CN100411569C

CN100411569C - Bed

Info

Publication number: CN100411569C
Application number: CNB2004100310076A
Authority: CN
Inventors: 原岛彻; 稻富茂司郎
Original assignee: ANDERSH Co Ltd
Current assignee: ANDERSH Co Ltd
Priority date: 2004-04-05
Filing date: 2004-04-05
Publication date: 2008-08-20
Anticipated expiration: 2024-04-05
Also published as: CN1679431A

Abstract

The present invention relates to a bed provided with a bedding carrying frame and a bed frame body, wherein the bedding carrying frame is supported by the bed frame body. The bedding carrying frame comprises a first foot supporting section and a second foot supporting section, an end frame arranged on the center side of the first foot supporting section is connected to a frame body supporting point of the bed frame body, one end of the second foot supporting section is arranged at the first foot supporting section in an arbitrary bent mode, the second foot supporting section is connected with the bed frame body by a rod, both ends of the rod are respectively pivoted to a foot pivoting point of the second foot supporting section and a frame body and frame connecting point of the bed frame body, and the length of the rod is the same as that of the first foot supporting section. Parallel crank mechanisms are jointly formed among the rod, the first foot supporting section, one end of the second foot supporting section and the foot pivoting point, and between the frame body supporting point of the bed frame body and the frame body and frame connecting point. The bed is provided with a maintaining device which can make the first foot supporting section and the second foot supporting section form a linear horizontal development state, and the second foot supporting section horizontally inclines to maintain the adjustable state of the carrying frame.

Description

Bed

Technical field

The relevant a kind of bed that improves comfort of the present invention.

Background technology

In the daily life custom, common people couch often and see TV, reading in bed, even have a dinner in recent years.As shown in Figure 8, because bed accessory has such to use modal demand, its lower part of the body side in bedroom platform portion is established one first pin support portion b1, and this first pin support portion b1 links a flexible crus secunda support portion b2 more relatively, to form an a.And, by first, second pin support portion b1, b2 are folded into the mountain font,, stimulating circulation, and obtain the effect of the most comfortable with the comfortable posture of the lower part of the body that comprises joints such as knee, waist of keeping the user.

But, among the aforesaid known bed a, when making foot obtain the effect of the most comfortable, because crus secunda support portion b2 descends to ankle from knee.Therefore, flow through sole etc. blood difficulty be back to heart.So, for the effect that obtains to stimulate circulation fully, necessity of the adjustable state of foot that further improves known bed is arranged.

In view of this, the present invention improves above-mentioned shortcoming, and it is provided with a holding device, can be made on the crus secunda support portion that forms parallel mechanism by this holding device and lift, keeping the adjustable state of bearing frame, formation can make the person to go to bed have more comfort and ease of use one.

Summary of the invention

Main purpose of the present invention is to provide a kind of bed, and it is provided with a holding device, so that lift on the energy level of crus secunda support portion, and keeps this state, makes the present invention have the effect that promotes comfort and ease of use.

Relevant bed of the present invention, it is provided with a bedding bearing frame and a framework, and this bedding bearing frame tool one bedding loading end is carrying a bedding, and this framework can support this bedding bearing frame; This bedding bearing frame comprises one first a pin support portion and a crus secunda support portion, person to go to bed's thigh can be accepted in this first pin support portion, and an end of its center side is articulated in the framework strong point of this framework, one end of this crus secunda support portion is can be arbitrarily crooked is installed in this first pin support portion, and can accept person to go to bed's shank; This crus secunda support portion and this framework are connected by a bar, and two ends of this bar are articulated in the pin pivoting point of this crus secunda support portion and the framework pivoting point of this framework, and this bar is the length of identical this first pin support portion of tool; Between the end and pin pivoting point by this bar, the first pin support portion, crus secunda support portion, and between the framework strong point and framework pivoting point of this framework, form a parallel crank mechanism jointly; This bed is provided with a holding device, can make first, second pin support portion form the deployed condition of linearity by this holding device, and has been inclined to keep the adjustable state of bearing frame in the crus secunda support portion.

Relevant bed of the present invention, wherein this holding device is a straight line locomotory apparatus, the one end is articulated in this framework, and the other end is articulated in this bedding bearing frame.

Relevant bed of the present invention, wherein this holding device is to have an arm shape body, an end of this arm shape body is installed in this cabinet, and can be by flexible and lift this bedding bearing frame in the other end, and it has a button locking apparatus under flexible state.

Relevant bed of the present invention, wherein this holding device is to have a shaft-like focusing device that rises, this plays focusing device and forms rotation by a drive unit, and the one end is installed in this framework, and can lift this bedding bearing frame in the other end.

Relevant bed of the present invention, wherein this framework is made of a pair of bed frame halfbody that can bend to inverted v-shaped arbitrarily, and the bedding bearing frame that forms this first pin support portion and crus secunda support portion is that a frame halfbody by an end is supported.

Description of drawings

Fig. 1: the exploded perspective view of preferred embodiment bed of the present invention.

Fig. 2: the top view of preferred embodiment bed of the present invention.

Fig. 3: the part of preferred embodiment bed of the present invention enlarges stereogram.

Fig. 4: the partial side view of the first pin support portion under deployed condition of preferred embodiment bed of the present invention and the linking part of crus secunda support portion.

Fig. 5: the partial side view of the first pin support portion under the adjustable state of bearing frame of preferred embodiment bed of the present invention and the linking part of crus secunda support portion.

Fig. 6: the side view of the user mode of preferred embodiment bed of the present invention.

Fig. 7: the partial side view of the first pin support portion under deployed condition of another preferred embodiment bed of the present invention and the linking part of crus secunda support portion.

Fig. 8: the side view of commonly using bed.

12 bedding bearing frame

3 framework 4 first pin support portions

4A framework 4A1 frame

4B reinforcement rib 4C keeps material

5 crus secunda support portion 5A frameworks

5B reinforcement rib 5C keeps material

5D reinforcement rib 6 bars

7 parallel crank mechanisms, 8 holding devices

9 rectilinear motion devices, 10 button locking apparatus

11 arm shape body 11a cover portions

11b bar portion 12 drive units

The 13 focusing device 14 first frame halfbodies of getting up

14a master's frame 14b reinforcement rib

15 second frame halfbodies of 14c reinforcement rib

15a master's frame 15b reinforcement rib

15c reinforcement rib 15d reinforcement rib

16 upper part of the body support portion 16A frameworks

16B reinforcement rib 16C keeps material

33 connectors, 34 first foot rests

34a foot rest 34b castor

35 webs, 36 cephalic pleurites

38 second foot rests, 39 castors

40 connectors, 41 intermediate supports

42 springs, 43 connecting rods

44 pin back shafts, 45 connecting pieces

46 pin bending points 47 are being adorned part

48 support metal parts, 49 expansion links

The 49a tube 49b of portion bar

50 support metal parts 51 are being adorned part

51a substrate 51b is adorning sheet

52 embeded slot 52a major troughs

52b sour jujube groove 53 guide cards

54 handle 54a handle body

The 54b cover B of portion bedding

C quilt cover L1 spacing

L2 spacing m bedding loading end

The R bearing frame is adjustable state S bedding

The T deployed condition t1 framework strong point

T2 pin frame contact t3 receptacle frame contact

The specific embodiment

Fig. 1 is the exploded perspective view of preferred embodiment bed of the present invention, and Fig. 2 is its top view.The bed 1 of this example comprises and can fold the bed framework 3 of handstand V-shape arbitrarily, and is configured on this framework 3 and possesses the bedding bearing frame 2 of the bedding loading surface m that can load bedding.This framework 3 is made of first frame halfbody 14 and second frame halfbody 15.

This first frame halfbody 14 is that being installed in by the frame material of

several reinforcement ribs

14b, 14c one is bent to form and slightly is on the main frame 14a of ㄈ shape or rectangle (being ㄈ shape in the present embodiment).In fact the length of this first frame halfbody 14 be about half of length (for example 900～1000mm).The position is at the inner end in these 14 longitudinally centre positions of first frame halfbody, and it utilizes that latch etc. can rotate arbitrarily is articulated in connector 33.Moreover in the outer end of first frame halfbody 14, its first foot rest 34 is provided in a side of two sides of bedside direction.

In this example, this

first foot rest

34,34 is made of foot rest 34a that is inverted T-shaped and the castor 34b that is installed in its bottom.Foot rest 34a is installed in first frame halfbody 14 by what latch can rotate arbitrarily.Moreover

first foot rest

34,34 of two sides forms the web 35 of the following direction bedside direction extension that is installed in first frame halfbody 14 of one.Moreover, in this example, at the outer end of first frame halfbody 14 installing one headpiece that machines 36.Moreover as bed 1 the preferable use-case that makes of present embodiment, it is at these first frame halfbody 14 position carry user's the upper part of the body.

This second frame halfbody 15 is identical with first frame halfbody 14, and it is that being installed in by the frame material of

reinforcement rib

15b, 15c one is bent to form and slightly is on the main frame 15a of ㄈ shape.The length of second frame halfbody 15 is about half of length.The inner end in the bed longitudinally centre position of this second frame halfbody 15, it can be rotated arbitrarily by latch is articulated in this connector 33.In this example, though first,

second frame halfbody

14,15 respectively in bed longitudinally tool one gap, and supported by different axle respectively, also can be identical spool supported.

Second frame halfbody 15 is the inboards that are configured in main frame 15a, and being installed in of can being rotated arbitrarily by latch of

second foot rest

38,38 is on the reinforcement rib 15b of two sides that the bed longitudinally extends.So, when folding, can prevent the mutual collision of first, second foot rest 34,38.The lower end of this second foot rest 38 is provided with the castor 39 that contacts with ground, and it can make first,

second frame halfbody

14,15 level and smooth moving with this first foot rest 34 when folding.

Be located at this

connector

33,33 of bedside direction two sides, it is being installed on the connecting piece 40 of one, and this connecting piece 40 is provided with an intermediate support 41.By this intermediate support 41, can under level, contact with ground.So, can be by the weight of first,

second foot rest

34,38 and intermediate support 41 supporting beds, the stability when using to improve.

Moreover, in this example, by between the connecting rod 33 binding intermediate supports 41 and first foot rest 34 and between the intermediate support 41 and second foot rest 38, and form parallel crank mechanism respectively by first and

second frame halfbody

14 and 15, first and

second foot rest

34 and 38, intermediate support 41 and connecting rod 43.So, can make the direction of intermediate support 41, first and

second foot rest

34 and 38 keep certain, on one side for example can keep vertical being folded.

Moreover, in the present embodiment between this intermediate support 41 and the first frame halfbody 14, and set up between intermediate support 41 and the second frame halfbody 15 and can alleviate the members such as a

spring

42,42 that fold strength.So, because bed 1 articulates this first frame halfbody 14 at an end of connector 33 respectively, his the end frame that reaches at connector 33 connects this second frame halfbody 15, and therefore first frame halfbody 14 and second frame halfbody 15 can be finished the collection that can fold and not take up space arbitrarily in orthogonal position.At this moment, this spring 42 can reduce the operation application of force when folding, and can improve operational convenience.Moreover, also can change the decorating position of spring 42, or use motor etc., to carry out the folding and open start of bed 1 automatically.

This bedding bearing frame 2 is the bed longitudinallies that are configured in this framework 3, and is made of the upper part of the body support portion 16 of the upper part of the body of accepting the person to go to bed, the first pin support portion 4 of support thigh and the crus secunda support portion 5 of support shank.This bedding bearing frame 2 is wideer than the width of this framework 3, about for example about 800～1800mm.

This upper part of the body support portion 16 is to keep material 16C to be constituted by a framework 16A, a reinforcement rib 16B and one, this framework 16A is combined into rectangular-shaped by tubing etc., this reinforcement rib 16B is erected in this framework 16A and to longitudinally and extends, and this maintenance material 16C is configured in the space of framework 16A institute corral and is installed in framework 16A and above the reinforcement rib 16B.In this example, keeping material 16C is that banded plate body by the plural pieces of extending to the bedside direction of bed 1 is constituted, and its tool one spacing be located at a longitudinally of bed 1.Moreover above the waist support portion 16 is installed in this first frame halfbody 14 by bolt etc.

In this example, the first pin support portion 4 keeps material 4C to be constituted by a framework 4A, a reinforcement rib 4B and one.This framework 4A is combined into by tubing etc. to grow crosswise rectangular-shapedly, and this reinforcement rib 4B extends and this maintenance material 4C is configured in the space of framework 4A institute corral and is installed in framework 4A and above the reinforcement rib 4B to the longitudinally of bed 1.

Please refer to shown in Figure 2ly, the width that a side end of this second frame halfbody 15 can rotate arbitrarily is articulated in to bed 1 extends and the rounded pin back shaft 44 in vertical section.The pin back shaft 44 of this example, its two end is articulated by the L font metal object of the reinforcement rib 15C that is installed in second frame halfbody 15.

This first pin support portion 4 is by constituting framework 4A and being configured in the frame 4A1 of an end of center side, utilizes mode such as welding to be installed in this pin back shaft 44.So, an end of the center side of the first pin support portion 4 articulates second frame halfbody 15 at the framework strong point t 1 of this pin back shaft 44 that forms second frame halfbody 15, can crooked arbitrarily installing and form.

In this example, this crus secunda support portion 5 keeps material 5C to be constituted by a framework 5A, a reinforcement rib 5B and one.

This framework 5A is combined into by tubing etc. and grows crosswise rectangular-shapedly, extend to the longitudinally of bed 1, and this maintenance material 5C is configured in the space of framework 5A institute corral and is installed in framework 5A and above the reinforcement rib 5B.Moreover an end of this crus secunda support portion 5 (end of a side) is attached at his end (end of pin side) beyond this first pin support portion 4 by connecting piece 45 and latch, and forms the form of bending arbitrarily at pin bending point 46.

Moreover, be provided with a bar 6 between crus secunda support portion 5 and this frame halfbody 15, this bar 6 is a pair of two sidepieces that are provided in the bedside direction of this crus secunda support portion 5, second frame halfbody 15, because the one end is articulated in crus secunda support portion 5, and the other end is articulated in second frame halfbody 15, therefore can form swing arbitrarily along the longitudinally of bed on vertical plane.

Please refer to shown in Figure 5ly, an end of the bar 6 in this example is articulated in pin pivoting point t2 by being located at the adorning part 47 of crus secunda support portion 5.Please refer to shown in Figure 3ly, this is being adorned part 47 and is being installed on the framework 5A and the reinforcement rib 5D between reinforcement rib 5B that is set up in crus secunda support portion 5, and it forms the groove shape downwards, and is articulated in this bar 6 by being erected at the axle between both sides' flange.

Moreover, please refer to shown in Figure 5ly, the other end of bar 6 is articulated in framework pivoting point t3 by the support metal part 48 that is located at this second frame halfbody 15.This support metal part 48 is installed in the reinforcement rib 15b of second frame halfbody 15, and is darted at the axle of these support metal part 48 sides and is articulated in his end of this bar 6 by level.

Between this framework pivoting point t3 and this framework strong point t1 apart from L2, its be formed in this pin bending point 46 and pin pivoting point t2 between apart from position that L1 approximately equates; And the length of this bar 6, it is that formation is approximately identical with the length of the bed longitudinally of this first pin support portion 4.So, this end (end of a side) of this bar 6, the first pin support portion 4, crus secunda support portion 5 and the part between the pin pivoting point t2, and the part between the framework strong point t1 of second frame halfbody 15 and the framework pivoting point t3, because the distance between its pivoting point in opposite directions forms approximately and equates, therefore form a parallel crank mechanism 7.Thus, the first pin support portion 4 can drive mutually with bar 6, and can be to second frame halfbody 15 with identical inclined at inclination angles, while and the posture lifting of level can be kept in crus secunda support portion 5.

Moreover, the length of the longitudinally of the length of this bar 6 and the first pin support portion 4, and this spacing L1 forms approximately respectively with spacing L2 and equates, but also comprise the different situation of length that has approximately about 10%.Therefore, the parallel crank mechanism 7 in this specification is not meant the mechanism of geometric tight formation, but a little difference of length tool of its connecting rod in opposite directions, and generation ± 15 ° situation about tilting is also arranged between connecting rod in opposite directions.

Please refer to shown in Figure 5, in the bed 1 that is as above constituted, when level is kept on one side and when rising in its crus secunda support portion 5, the continue end (end of a side) of crus secunda support portion 5, his end (end of pin side) of another of the first pin support portion 4, and form the downward-sloping adjustable state R of bearing frame towards an end (end of a side) of center side.

Moreover, when the first pin support portion 4 is center when being poured onto slightly level with framework strong point t1, as shown in Figure 4, the first pin support portion 4 and crus secunda support portion 5 be carried on this second frame halfbody 15 above, and form the continuous deployed condition T of linearity.

For the adjustable state R of the bearing frame that keeps this parallel crank mechanism 7, it is provided with a holding device 8.Please refer to shown in Figure 3ly, the holding device 8 of this example comprises the focusing device 13 and that rises that lifts bedding bearing frame 2 and drives this and play the drive unit 12 of focusing device 13.

In this example, this plays focusing device 13 and is made of an expansion link 49, and this expansion link 49 comprises a 49a of portion and a bar 49b, the 49a of this of insertion that this bar 49b can slide arbitrarily.This expansion link 49 is articulated by the support metal part 50 that its base portion is installed in second frame halfbody 15, can rotate arbitrarily on the vertical plane of bed longitudinally and form.This support metal part 50 is installed in along the bedside direction and forms on the reinforcement rib 15d of level, and this reinforcement helps bar 15d to be located between parallel two reinforcement rib 15b, the 15b of second frame halfbody 15.

Moreover the front-end configuration of expansion link 49 is in a side of bed, and the front end of this bar 49b is articulated in and is installed in the adorning on the part 51 of crus secunda support portion 5.This is being adorned part 51 and is being made of a substrate 51a and a pair of sheet 51b, the 51b of adorning, and this substrate 51a is installed in the reinforcement rib 5B of the first pin support portion 5, and this to adorn

sheet

51b, 51b sagging from substrate 51.And, adorning part 51 and a pair ofly adorning the latch between

sheet

51b, 51b and be articulated in the front end of bar 49b by being located at.

The expansion link 49 of this example, it is by the drive unit 12 of the motor that forms one in blocking, and is linked by known ball screw mechanism (graphic omission).Moreover the rotating owing to this motor rotatablely moves it by this ball screw mechanism and is transformed to rectilinear motion, so bar 49b formation can be stretched out from the 49a of tube portion, retraction.

Please refer to shown in Figure 4ly, this first, second

pin support portion

4,5 is in deployed condition T, when making the bar 49b elongation of this expansion link 49 by the rotation of motor, and the strength that press toward a thruster crus secunda support portion 5 that then generation is made the front end of bar 49b articulate.The first pin support portion 5 of bearing this strength is then toward a side shifting, and mechanical device according to this parallel crank

mechanism

7,4 of the first pin support portions are the center with framework strong point t1, and bar 6 is the center with framework pivoting point t3 then, produce turning moment clockwise on drawing.Its result, please refer to shown in Figure 5, crus secunda support portion 5 can be kept parallel state on one side and be risen, and the continue end (end of a side) of crus secunda support portion 5, his end (end of pin side closes) of another of the first pin support portion 4, and form the downward-sloping adjustable state R of bearing frame towards an end (end of a side) of center side.Moreover along with it drives, this expansion link 49 is the center with the pivoting point of second frame halfbody 15, forms the rightabout rotation of clock.

Moreover because drive unit 12 and the rotation power output that lowers motor and linked by the expansion link 49 of the rectilinear motion mapping device of ball screw mechanism etc., therefore the external strength from expansion link 49 can't make the motor rotation.Therefore, drive unit 12 locks parallel crank mechanism 7 when stopping, and can keep the adjustable state R of this bearing frame level.

Please refer to shown in Figure 6ly, the person to go to bed is when the adjustable state R of this bearing frame level, and its shank is supported by crus secunda support portion 5, and the following position of knee uprises and the maintenance level; On the other hand, thigh is supported by 4 formed inclined planes to the buttocks declivity, the first pin support portion.Therefore, can keep make that tiptoe raises than comfortable posture, and the blood in the vola etc. that can promote to circulate is back to heart, to stimulate circulation tool set up, healthy effect.And, because the adjustable state R of bearing frame is made of a part and the bed framework 3 formed parallel crank mechanisms 7 of bar 6, the first pin support portion 4, crus secunda support portion 5, therefore its structure will be more simple, and can make the lifting of crus secunda support portion 5 more smooth and easy.

Please refer to shown in Figure 5, this first, second pin support portion 4,5 is in the adjustable state R of bearing frame, when the bar 49b that is made this expansion link 49 by the counter-rotation of motor shortens, the strength that the crus secunda support portion 5 that then generation is made the front end of bar 49b articulate is returned toward the pin laybacks.The crus secunda support portion 5 of bearing this strength is then toward the pin side shifting, and the first pin support portion 4 is the center with framework strong point t1, and bar 6 is the center with framework pivoting point t3 then, produces the turning moment of counterclockwise rotation on drawing.Its result is on one side crus secunda support portion 5 can be kept parallel state and descend, and progressive minimizing angle of inclination, the first pin support portion 4, the deployed condition T that recover as shown in Figure 4 first, second pin support portion 4,5.Moreover along with it drives, this expansion link 49 is the center with the pivoting point of second frame halfbody 15, forms rotation clockwise.Moreover this moment is by this first, second support portion 4,5 and support portion 16 and form smooth bedding loading end m above the waist, and the standard state of bed 1 when can be used as sleep is used.

Moreover the height in the crus secunda support portion 5 of the adjustable state R of bearing frame can be by the stroke of the bar 49b that adjusts expansion link 49, and adjustment that can be suitable height.This adjustment can utilize graphic abridged remote controller, and is adjusted freely by the person to go to bed.Though do not have special the qualification, the maximum ascending amount h of crus secunda support portion 5 can be set in 80～200mm, and is preferably about 100mm～150mm.Thus, for general adult, can form the adjustable state R of more comfortable bearing frame.

Moreover this expansion link 49 forms by bar 49b flexible from the 49a of tube portion, and the rectilinear motion device 9 that increases and decreases axial length constitutes.So, the bed 1 of this example, its first, second pin support and close 4,5 the adjustable state R of bearing frame and be held by rectilinear motion device 9, and bedding bearing frame, bedding and the person to go to bed of support that can be firm after rising weight such as pin.

Moreover, in this example, comprise maintenance material 4C, the 5C of this each several part and the plane of 16C and constitute bedding loading end m.Can only go up carrying mattress etc. in this bedding loading end m, or as shown in Figure 6, on keeping material (being 5C in the present embodiment), each sets firmly by sponge, artificial rubber and the formed bedding B of other plastic mattress material, and the preferable quilt cover C of sheet shape that utilizes covers framework 5A and bedding B together, to form the structure of one.

Please refer to shown in Figure 7ly, it discloses another example of the present invention.The content different with aforementioned example below is described, the constitutor that its content is identical with expression tool among the figure adopts identical symbol, and omits its explanation.

The holding device 8 of this example, it comprises the arm shape body 11 of a tool button locking apparatus 10.This arm shape body 11 comprises a 11a of cover portion and a 11b of bar portion, and the end of the 11a of this cover portion forms peristome and forms tubular, and the 11b of this bar portion can come in and go out arbitrarily from the 11a of this cover portion.The end of the 11a of this cover portion is articulated in second frame halfbody 15, and should be provided with an embeded slot 52 by the 11a of cover portion, and this embeded slot 52 comprises a major trough 52a to its longitudinally extension, and several sour jujube groove 52b that are obliquely installed from this major trough 52a tool uniform distances.Moreover the leading section of the 11b of this bar portion is articulated in crus secunda support portion 5, and the 11b of this bar portion is provided with a guide card 53, and the chimeric or button that can be slided arbitrarily by this guide card 53 ends at this embeded slot 52.

When the 11b of bar portion from the 11a of cover portion when the direction of extending moves, this guide card 53 can with sour jujube groove 52b, major trough 52a produce resistance and can order move.When the 11b of bar portion when the direction of shrinking moves, then be embedded in sour jujube groove 52b and locked.Shown in the chain line of Fig. 7, when the 11b of bar portion extends to when the longest from the 11a of cover portion, guide card 53 will be limited in major trough 52a, and the 11b of bar portion is shunk.Moreover, can form by the guide card 53 of 11a of cover portion and the 11b of bar portion and to buckle locking apparatus 10.

Moreover at least one end in the first pin support portion 4 or crus secunda support portion 5 sets firmly and is available for users to desire employed leader 54 when movable part is up drawn.This handle 54 comprises a leader's body 54a and a 54b of cover portion, and this handle body 54a is installed in movable part and is made of institutes such as rope, metal or resins, and the 54b of this cover portion coats its peripheral part and is made of soft materials such as sponges.The effect that so, can have the burden that alleviates the user.

In this example, user's holds handle 54, and the first pin support portion 4 let go after being pulled to suitable height.So, the 11b of bar portion of arm shape body 11 can be outstanding from the 11a of cover portion, and the guide card 53 of the 11b of bar portion can be entrenched in arbitrarily on the sour jujube groove 53.So, shown in graphic imaginary line, can change the adjustable state R of bearing frame level.When desire is replied extended configuration T, can again the first pin support portion 4 up be drawn, after the 11b of bar portion of arm shape body 11 extends to maximum, fall the first pin support portion 4 more slowly and get final product

Moreover this example is folding bed, but also can use non-folding bed.As mentioned above, the present invention has more than the variation that is defined as above-mentioned example and can makes various forms.

As mentioned above, bed of the present invention is when the person to go to bed is placed on first, second pin support portion with foot and when using, can makes the gradually decline of its height from person to go to bed's headward the continuing property of foot.Thus, can make the blood of sole etc. the heart that refluxes easily, to promote the circulating effect of blood.Moreover, because act is supported by the part of bar, the first pin support portion, crus secunda support portion and the formed parallel crank mechanism of a part of bed framework in the crus secunda support portion, therefore its structure is more simple, and also can make the lifting of crus secunda support portion more smooth-going.

Moreover, bed of the present invention, wherein this holding device is that a straight line locomotory apparatus one end is articulated in this framework, and the other end is articulated in this bedding bearing frame, and the support that therefore can stabilize is by the weight of bedding bearing frame, bedding and the person to go to bed's of last act foot etc.

Moreover, bed of the present invention, wherein this holding device is to have an arm shape body, this arm shape body can be by flexible and lift this bedding bearing frame in the other end, and it has a button locking apparatus under flexible state, therefore can detain the certain support of locking apparatus by the weight of the bedding bearing frame of last act etc. by this.

Moreover, bed of the present invention, wherein this holding device has a shaft-like focusing device, and this plays focusing device and is formed rotation by drive unit, therefore can carry out the descending operation of bedding bearing frame automatically, and have better operability.

Moreover, bed of the present invention, wherein this framework is made of a pair of bed frame halfbody that can bend to inverted v-shaped arbitrarily; And when the bedding bearing frame that forms this first movable part and second movable part was supported by the bed frame halfbody of an end, the present invention can be easy to be applicable to folding bed.

Though the present invention has utilized aforementioned preferred embodiment to disclose in detail; right its is not in order to limit the present invention; anyly have the knack of this skill person; without departing from the spirit and scope of the present invention; when can doing various changes and modification, so protection scope of the present invention is as the criterion when looking the claim person of defining.

Claims

1. bed, it is provided with a bedding bearing frame and a framework, and this bedding bearing frame has a bedding loading end carrying a bedding, and this framework can support this bedding bearing frame;

This bedding bearing frame comprises one first a pin support portion and a crus secunda support portion, person to go to bed's thigh can be accepted in this first pin support portion, and an end of its center side is articulated in a framework strong point of this framework, one end of this crus secunda support portion is can be arbitrarily crooked is installed in this first pin support portion, and can accept person to go to bed's shank;

This crus secunda support portion and this framework are connected by a bar, and two ends of this bar are articulated in a pin pivoting point of this crus secunda support portion and a framework pivoting point of this framework, and this bar is to have and this identical approximately length in first pin support portion;

Between the end and pin pivoting point by this bar, the first pin support portion, crus secunda support portion, and between the framework strong point and framework pivoting point of this framework, form a parallel crank mechanism jointly;

It is characterized in that: this bed is provided with a holding device, can make first, second pin support portion form the deployed condition of linearity by this holding device, and crus secunda support portion level has been inclined to keep the adjustable state of bearing frame.

2. bed as claimed in claim 1, it is characterized in that: this holding device is a straight line locomotory apparatus, and the one end is articulated in this framework, and the other end is articulated in this bedding bearing frame.

3. bed as claimed in claim 1, it is characterized in that: this holding device is to have an arm shape body, one end of this arm shape body is installed in this framework, and can be by flexible and lift this bedding bearing frame in the other end, and it has a button locking apparatus under flexible state.

4. bed as claimed in claim 1 is characterized in that: this holding device has a shaft-like focusing device that rises, and this plays focusing device and forms rotation by a drive unit, and the one end is installed in this framework, and can lift this bedding in the other end and hold the sanction frame.

5. as claim 1,2,3 or 4 described beds, it is characterized in that: this framework is made of a pair of bed frame halfbody that can bend to inverted v-shaped arbitrarily, and the bedding bearing frame that forms this first pin support portion and crus secunda support portion is that a frame halfbody by an end is supported.