CN1788705B - Body-supporting chair with leg fixation device - Google Patents
Body-supporting chair with leg fixation device Download PDFInfo
- Publication number
- CN1788705B CN1788705B CN 200410101368 CN200410101368A CN1788705B CN 1788705 B CN1788705 B CN 1788705B CN 200410101368 CN200410101368 CN 200410101368 CN 200410101368 A CN200410101368 A CN 200410101368A CN 1788705 B CN1788705 B CN 1788705B
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- fork
- fork arm
- supporting member
- arm
- vertical rod
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Abstract
The body supporting chair for disabled person or difficult person includes one frame to support a pivoting structure; and the pivoting structure comprises a back, a seat, a foot rest supported with two vertical rods, and a fastening device for at least parts of the legs. The present invention features that the fastening device includes two forked rods installed onto the vertical rods of the foot rest and extending forwards to the operation position and with one fastener separated from the vertical rods by certain distance; and one front support part to make the legs of the user immobile and so installed onto the forked rod fastener as to be able to extend between forked rods.
Description
Technical field
The present invention relates to the seat that a kind of people for people with disability or health inconvenience uses, particularly but non-limiting in wheelchair, it comprises free-standing wheelchair, and can this wheelchair fold all can.
More in particular, this seat provided by the invention comprises a pin-jointed structure, this pin-jointed structure comprise backrest, pedestal and link to each other with drive member foot-operated, vertically erect with respect to bearing frame or descend thereby can assist or control pin-jointed structure.
Background technology
These seats have been obtained incontrovertible progress because they can also directly play (erecting) except can moving, and can prevent to be seated and to be produced for a long time uncomfortable.
Propose many schemes in the prior art and realized articulating the straight seat that plays structure.
These different schemes have their pluses and minuses separately, but seat is risen so that the correct way part is straight.
Yet, have now found that this class seat and be not suitable for all health inconvenience or disabled people.In fact, for the people of some specific people with disability or health inconvenience, this seat can not make the enough strength of user generation control them and stably lean against on the vertical support face, and this supporting surface is represented the pin-jointed structure after seat erects.
At this moment, erect the people meaned danger, user can be when losing self-control because of both sides unsettled or leg curvature or upper body topple over and fall down.
Now, health is erected concerning inconvenience of those healths or disabled people extremely important, even more important for those do not have the people of health control ability such as above-mentioned situation.
In order to address this problem, now propose: be fixed to the health fixing band on the backrest structure of seat at upper body on the one hand, be fixed in the foot-operated support vertical rod with the knee joint band at shank on the other hand, thus the both legs of supporting seat user.
These chests and shank fixing band must be fixed up user in the following manner corresponding to straight rise with decline stage of the straight problem that rises in pin-jointed structure, and the health that is about to described user remains on the state of overall safety easily.
Yet, the feedback opinion of this body-supporting chair shows the enabling capabilities that must improve body-supporting apparatus, the enabling capabilities of lower limb bracing or strutting arrangement particularly, with by at the kneed downside of next-door neighbour shank being fixed, and it is slack to guarantee that its bottom that can prevent user occurs.
In fact, have now found that on some fixed position point stressed concentratedly especially, these points stressed is relevant, also relevant with the height and the weight of user with straight frequency and the time of rising.
For the situation of standing for a long time and user intermittently is not seated for a long time, the people of physical disabilities can pin knee each other because of leg strap and cause scratch even grieved, thereby produces misery or local discomfort.
Thereby, be necessary to eliminate these shortcomings.
Thus, the equipment that one of employing is used for lower body support, two and half leg supports is proposed among the patent documentation FR 2 813 520, wherein half leg support is made of two pin-connected frames, these two frame supported are in two vertical rods, vertical rod supports foot-operated, and half lower limb bandage is wherein coupled together by a middle locking system.Adopt this system to fix lower limb and can reduce knee and thigh support zone weighing wounded on leg support frame effectively, but its shortcoming is impracticable, particularly when seat is in the position that is seated, does not wherein need to use bandage.
Also have, this bandage can be clogged the space, both sides of seat when untiing.In addition, this class bandage or the device that is used for fixing lower limb can increase the weight of body-supporting chair, thereby are unsuitable for manual seat, for this reason user can only comfortableness and in light weight between balance.
Thus, a kind of device of new fixed leg must be arranged, it has good comfortableness, and can solve the problem that single fixedly bandage brings, and does not have the lower limb fixture is brought among the patent documentation FR 2 813 520 the weight and the shortcoming of usage space simultaneously.
Summary of the invention
In order to satisfy above-mentioned needs, the present invention relates to a kind of body-supporting chair that is used for deformity or inconvenient crowd, it comprises a framework that is used for supporting pin-jointed structure, and this pin-jointed structure comprises backrest, pedestal, by support foot-operated of two vertical rods and be used for fixing shank to the immotile device of small part.
Seat of the present invention is characterised in that this fixture comprises:
Two fork arms, each fork arm are installed in the foot-operated vertical rod so that be stretched in the operating position towards the place ahead of seat, and the front portion of this fork arm has clamp device, and this clamp device separates corresponding distance with vertical rod under the operating position;
And an Immobile front supporting member that is used for the user both legs, it is installed on the fork arm fixture by this way, promptly can stretch between two fork arms.Wherein each fork arm all is connected in the corresponding vertical rod and can moves between resting guard and operating position in vertical, stretches to the front portion of seat, and the front end of each fork arm includes and is used for the described clamp device of fastening Immobile front supporting member.Each fork arm is arc, and it is forwards protruding and two arms of its formation when the operating position, and promptly so-called upper arm and underarm, the far-end of upper arm or front end have a described clamp device that is used for connecting Immobile front supporting member.
Using the fastening fork arm of this class and make fixture and vertical rod separate certain distance can be when installing Immobile front supporting member, no matter described front supporting member is flexibility or inflexible, all can prevent to be coupled with side force and close to each other on the lower limb of user, particularly its knee that can prevent user produces scratch.
According to a feature of the present invention, in order to eliminate the danger that user two lower limbs press each other better, the front portion of fork arm is in the operating position at least, can not move with respect to the vertical rod of correspondence in the pro-facade.
According to a feature of the present invention, this fork arm is not to move, and is immotile and have only front supporting member.
Thereby fork arm can be connected in any suitable manner in the corresponding vertical rod can perception when stretch in seat the place ahead its having a rest and the operating position between mobile.
So far, in a preferred but nonessential mode, each fork arm is arc, and it is forwards protruding when resting guard, and is formed with two arms, and promptly so-called upper arm and underarm, the far-end of upper arm have a device that is used for connecting Immobile front supporting member.
According to a feature of the present invention, the front and back arm of each fork arm includes an opening, so that receive a piece spare that is connected in the corresponding vertical rod, thereby fork arm is fixed and is guided.The lower end of underarm opening preferred but have a recessed lock nonspecificly, and it is used for receiving by this way corresponding guide block when the operating position, that is, can guarantee to hinder when power being added to the far-end of upper arm forward and stop moving of fork arm.
In the present invention, front supporting member can be realized by various forms.Thus, in one embodiment, this front supporting member comprises a rigid plate, and its rear portion has a supporting pad at least so that place the lower limb of seat user.
In another embodiment, front supporting member comprises a bandage that two fork arms are coupled together at least.
Description of drawings
In conjunction with the accompanying drawings and with reference to the following description, other characteristics of the present invention will be more readily apparent from.Accompanying drawing is wherein represented is that of body-supporting chair of the present invention is preferred, the embodiment of indefiniteness.
Figure 1 shows that the axonometric chart of wheelchair of the present invention;
Figure 2 shows that the elevation of the right flank of chair shown in Figure 1;
It is elevation that Fig. 3 is similar to Fig. 2, and chair wherein is in the straight position of rising;
It is an elevation that Fig. 4 is similar to Fig. 2, its displaying be a preferred embodiment of leg restraint of the present invention;
It is axonometric chart that Fig. 5 is similar to Fig. 1, its displaying be the fixture of Fig. 4;
Fig. 6 and 7 is similar to Figure 4 and 5 respectively, its displaying be a duty of leg restraint shown in the Figure 4 and 5.
The specific embodiment
The present invention relates to a kind of manual body-supporting chair 1 as shown in Figures 1 to 3, obviously this seat also can have the motor of for example electric driving.
This type of seat comprises a framework, and its half frame 3 and 4 by both sides constitutes, and half frame 3 and 4 couples together by cross bar 5 and 6.These members form a supporting component that has driving wheel 10 and deflecting roller 11 together.
As shown in the figure, framework 2 is corresponding to the seat of rigid design, and obviously this class formation also can be used for tilting seat.In fact, in this case, as long as replace rigid bar 5 and 6 with known deformable member.
Foregoing framework 2 has the straight equipment that rises, and it is realized by the pin-jointed structure 12 that framework 2 supports.This pin-jointed structure 12 is positioned at both sides by two and constitutes with respect to the symmetric pivot joint of sagittal plane P system, and this pivot joint system is clearer in Fig. 2 and Fig. 3.Each pivot joint system 13 all is connected on for example half frame 3 and 4 position of framework 2 from the side.
Each pivot joint system 13 includes one first deformable four frames 17, and it is made of two beam columns 18 and 19, and they are called push rod and bottom bar respectively, and as shown in Figure 3, push rod and bottom bar are not arranged in the same vertical.Beam column 18 links to each other by a spacing body or spacer block 20 with 19 rear end, and push rod is installed near framework 2 front portions by second pivoting point 22 by first pivoting point 21, bottom bar.In the case, pivoting point 21 is positioned at the top of corresponding half frame 3,4, and pivoting point 22 then is positioned at the back lower place with pivoting point 21 on half frame.
Shown in example in, spacer block 20 is corresponding to the spacing between pivoting point 21 and the pivoting point 22, therefore the preferred form that has of four frames 17 is a deformable parallelogram frame, but it is not the necessary technical characterictic of chair embodiment of the present invention.
In addition, each pivot joint system 13 also comprises one second deformable polygon frame 26, shown in Fig. 2 and 3 be dashdotted four frames this moment, and it is connected to first deformable, four frames in other post or the vertical rod 27, thereby supports foot-operated 33 separately or with other post or vertical rod.
Each pivot joint system 13 comprises a backrest module, and it comprises two vertical rods 35, and each vertical rod 35 all is articulated on first quadrilateral frame one opposite with second quadrilateral frame 26 by spacer block 20.Example is such as shown, and the vertical rod 35 of backrest also links to each other by cross bar 36.
Move on to vertical or stand up position shown in Figure 3 for pin-jointed structure 12 can be put from following seat shown in Figure 2, each pivot joint system includes one and handles assembly 40, and it is arranged between the one or four frame 17 and particularly corresponding half frame 4 of framework 2.
Each is handled assembly 40 and includes one first rod member 41, and it is articulated in the rear portion of framework by pivot 42, and is articulated in the termination of second rod member 43 by pivot 44.The other end of second rod member 43 is articulated on the one or four frame, and in the example shown, it is to be articulated on the bottom bar 19 by pivot 45 and the fixture 46 that links to each other with second rod member 43.
First is handled assembly and also comprises a control crank 49, thus it can generally make to a certain extent that the user of seat can deposit at following seat shown in Figure 2, upright position B shown in Figure 3 and in transformation process or vertically-power is added on the described handle in the process that moves down.
For the ease of vertically-move down operation, this body-supporting chair 1 also comprises auxiliary device 50.In this example, described auxiliary device all provides an atmospheric pressure pole for each pivot joint system, and it is arranged between the front portion of the one or four frame 17 and framework 2.
Shown in example in, each atmospheric pressure pole 50 has included automatic resistance stop device, it is used for preventing the moving of the pivot joint system that moves and be attached thereto of atmospheric pressure pole, and is used for hindering stopping the supple of gas or steam and removes resistance on the resistance stop system of depression bar and stop control.Have a handle at least, the handle that is preferably user active hands one side has a control piece 51 that is used for controlling the resistance stop device.
By the pivot joint effect on control piece and the handle, user just can move on to the standing place from the position that is seated thus, and vice versa.
In order to ensure the stability of user when the standing place, the present invention proposes, and particularly shown in Fig. 4 to 7, adopts a fixture 60 that is used for fixing the user shank, and it is arranged in the slightly time position of any of user knee or knee.This fixture 60 comprises two fork arms 61, and both are installed in the foot-operated vertical rod 27.
Each fork arm 61 all is connected to corresponding vertical rod 27, and can be shown in the stowed position E shown in the Figure 4 and 5 and Figure 10 and 11 before mobile between operating position T during exhibition.In the example shown, each fork arm 61 is arc, and it is forwards protruding when the stowed position.Each fork arm all has two arms, is respectively upper arm 70 and underarm 71.
Thus, by slotted hole 73 and/or arc opening 72 and piece spare fork arm 61 is slided between stowed position E and operating position T.In addition, the far-end 64 of the upper arm 70 of each fork arm 61 also has inserting lock device 80 so that pin front supporting member 65, in the example shown, this inserting lock device 80 adopts the form of rigid plate 81 to realize, its two ends have clamp device 82, so that engage, and form inserting lock device 80 as a recess with the piece spare of fork arm far-end.In addition, the front of rigid plate 81 pad 83 that has an absorbing vibration and support.Notice that front supporting member 65 forms an assembly unit in the present invention, it supports the both legs of user.Obviously, can another form realize as the plate 81 that rigid structure carrying user both legs are exerted oneself, so that for example guarantee the rigidity of member 65 as the form of managing bar.
The aforementioned device that is used for fixing shank uses as follows.When user is wanted to be in the standing place, thereby it moves fork arm 61 and places it in extended position T place, referring to Fig. 6 and 7.At T place, described position, each fork arm is front supporting member 65 fixing point 80 is provided, and this fixing point separates certain distance with snag 27, and the described recess of piece spare engages on front supporting member 65 and the fork arm 61.User just can directly play operation then.
Notice that in order to ensure the stability of fork arm when the extended position, each opening 70 on the underarm 71 is all preferred but nonessential has a recess 85, so that can receive the piece spare 75 of correspondence when under the operating position, being added to power on the support member 65 forward.
Notice that support member 65,81 and fork arm 61 have rigidity characteristic could fully be fixed on the both legs of user and the both legs and do not have side force.
When user returned to the position that is seated, user can be packed up front supporting member and fork arm be relay on the position of packing up.
In addition, can be clear that more that the preceding of body-supporting chair of the present invention can be opened fully, the mobile influence that can not be subjected to front supporting member of user from Fig. 5.
Claims (6)
1. body-supporting chair that is used for physical disabilities or inconvenient crowd, it comprises a support frame and a pin-jointed structure, this pin-jointed structure comprises backrest, pedestal, is ridden (33) and be used for fixing shank to the immotile device of small part (60) by what two vertical rods (27) were supported, and this fixture (60) comprising:
Two fork arms (61), each fork arm (61) is installed in all that foot-operated vertical rod (27) is gone up so that be stretched in the operating position (T) towards the place ahead of seat, the front portion of this fork arm has clamp device (80), and (T) separates corresponding distance with vertical rod (27) down to this clamp device in the operating position;
And an Immobile front supporting member (65) that is used for the user both legs, it is installed on the clamp device (80) of fork arm (61) by this way, promptly can between two fork arms (61), stretch,
Wherein each fork arm (61) all is connected to corresponding vertical rod (27) and upward also can moves the front portion of stretching to seat between the inherent stowed position of vertical (P) (E) and operating position (T), and the front end of each fork arm includes the described clamp device (80) that is used for connecting Immobile front supporting member (65), and, wherein each fork arm (61) is arc, its in the stowed position when (E) forwards protruding and its form two arms, be so-called upper arm (70) and underarm (71), the far-end of upper arm (70) has a described clamp device (80) that is used for connecting Immobile front supporting member (65).
2. body-supporting chair as claimed in claim 1, the front portion of wherein said two fork arms under operating position (T), is to move with respect to the vertical rod (27) of correspondence in the pro-facade at least.
3. body-supporting chair as claimed in claim 1, wherein upper arm (70) of each fork arm (61) and underarm (71) include an opening (72,73), thereby fork arm (61) is fixed and guided so that receive a piece spare (75,76) that is connected in the corresponding vertical rod (27); The lower end of underarm (71) opening has a recessed lock (85), receives corresponding piece spare (75) when it is used in the operating position (T), thereby guaranteeing resistance when power being added to the far-end of upper arm (70) forward stops moving of fork arm (61).
4. as the body-supporting chair of one of claim 1 to 3, front supporting member wherein (65) comprises a rigid plate (81), and its rear portion has a supporting pad (83) at least so that place the both legs of seat user.
5. as the body-supporting chair of one of claim 1 to 3, front supporting member wherein (65) comprises a bandage that two fork arms are coupled together at least.
6. body-supporting chair as claimed in claim 4, front supporting member wherein (65) comprises a bandage that two fork arms are coupled together at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410101368 CN1788705B (en) | 2004-12-17 | 2004-12-17 | Body-supporting chair with leg fixation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410101368 CN1788705B (en) | 2004-12-17 | 2004-12-17 | Body-supporting chair with leg fixation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1788705A CN1788705A (en) | 2006-06-21 |
| CN1788705B true CN1788705B (en) | 2011-05-25 |
Family
ID=36786954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410101368 Expired - Fee Related CN1788705B (en) | 2004-12-17 | 2004-12-17 | Body-supporting chair with leg fixation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1788705B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2783672A1 (en) * | 2013-03-26 | 2014-10-01 | Arjo Hospital Equipment AB | Flexible medical supports |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4623194A (en) * | 1983-05-10 | 1986-11-18 | International Diffusion Consommateur | Body-supporting device for wheelchair for handicapped person comprising a structure allowing an upright position |
| US5366036A (en) * | 1993-01-21 | 1994-11-22 | Perry Dale E | Power stand-up and reclining wheelchair |
| CN2294717Y (en) * | 1997-05-15 | 1998-10-21 | 施金木 | Wheeled chair for aiding person standing |
| US6568762B2 (en) * | 2000-09-07 | 2003-05-27 | Idc Medical | Locking system for body support device for stand-up wheelchair |
-
2004
- 2004-12-17 CN CN 200410101368 patent/CN1788705B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4623194A (en) * | 1983-05-10 | 1986-11-18 | International Diffusion Consommateur | Body-supporting device for wheelchair for handicapped person comprising a structure allowing an upright position |
| US5366036A (en) * | 1993-01-21 | 1994-11-22 | Perry Dale E | Power stand-up and reclining wheelchair |
| CN2294717Y (en) * | 1997-05-15 | 1998-10-21 | 施金木 | Wheeled chair for aiding person standing |
| US6568762B2 (en) * | 2000-09-07 | 2003-05-27 | Idc Medical | Locking system for body support device for stand-up wheelchair |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1788705A (en) | 2006-06-21 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110525 Termination date: 20191217 |
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| CF01 | Termination of patent right due to non-payment of annual fee |