|Publication number||CN104840172 A|
|Application number||CN 201510207431|
|Publication date||19 Aug 2015|
|Filing date||28 Apr 2015|
|Priority date||28 Apr 2015|
|Also published as||CN104840172B|
|Publication number||201510207431.X, CN 104840172 A, CN 104840172A, CN 201510207431, CN-A-104840172, CN104840172 A, CN104840172A, CN201510207431, CN201510207431.X|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (10), Referenced by (1), Classifications (5), Legal Events (3)|
|External Links: SIPO, Espacenet|
技术领域 TECHNICAL FIELD
 本发明涉及一种蛇骨装置，具体涉及一种用于医用软性管内镜和工业软性管内镜的蛇骨装置。  The present invention relates to an apparatus Yi Gu, Yi Gu specifically relates to a device for medical and industrial endoscopy flexible pipe flexible tube endoscopy.
背景技术 Background technique
 现有的内窥镜在弯曲角度实现头部弯曲变向时，都是由内置的蛇骨通过牵拉与蛇骨连接的钢丝绳的方法使其弯曲的。  The conventional endoscope head bent in the bending angle change to achieve when it is bent by the built-Yi Gu pulled by rope way connected with snake bone. 而已有技术中的蛇骨包括蛇骨前节圈、蛇骨中节圈和蛇骨后节圈，且蛇骨前节圈、蛇骨中节圈和蛇骨后节圈依次是通过铆钉铆合连接的，由于这种铆钉铆合的连接方式，容易出现如下缺陷，例如，第一，铆压工装与铆钉的轴心不在同一轴线或铆压力量过大，就会造成蛇骨中节圈的铆接处发生变形；第二、在铆接过程中，若铆接压力过大，则工件表面容易受到损伤或是造成铆钉出现变形或铆钉头出现开裂的情况；第三、铆接后的工件容易出现铆接不到位，或是铆接不够牢固的现象；因此，对工人的铆接工艺技巧要求较高，使得生产效率低，而且也比较容易出现铆接质量不合格的情况，有时还会出现铆钉脱落的现象，造成最终成品缺陷多、报废率高，这样就使得生产成本也较高。 Only art of Yi Gu Yi Gu front section include circles, circle and Yi Gu Yi Gu in section after section ring, and the front section of Yi Gu circle, circle and Yi Gu Yi Gu in section after section circle followed by a rivet riveting connection, since the connection of this rivet riveting, prone to defects as follows, for example, first, riveting tooling with the rivet axis is not in the same axis or riveting pressure is too large, it will cause the snake bone in Section Circle deformed caulking place; second, in the riveting process, if the caulking pressure is too large, then the surface susceptible to damage or deformation caused by rivets or rivet head cracking conditions occur; Third, after the workpiece caulking caulking is not prone to in place, or not strong enough riveting phenomenon; therefore, riveting technology skill requirements of workers is high, such that the low productivity, but substandard quality riveting situation is more prone to, and sometimes the rivets off phenomenon, resulting in final Finished defects, scrap rate, thus making the cost of production is higher.
发明内容 SUMMARY OF THE INVENTION
 本发明的目的是:提供一种不用铆接、便于配装，且生产效率高，以及降低了生产成本的内窥镜的蛇骨装置，以克服现有技术的不足。  The object of the present invention are: to provide a no caulking, easy to be equipped, and high production efficiency, and reduce the production cost of the endoscope Yi Gu means to overcome the deficiencies of the prior art.
 为了达到上述目的，本发明的技术方案是:一种内窥镜的蛇骨装置，包括蛇骨前节圈、蛇骨后节圈、连接在蛇骨前节圈和蛇骨后节圈之间的若干个蛇骨中节圈及其连接销轴；所述蛇骨前节圈的一端设有后部连接耳，且后部连接耳上设有后部连接轴孔；每个蛇骨中节圈的两端分别设有第一连接耳和第二连接耳，所述第一连接耳上设有第一连接轴孔，所述第二连接耳上设有第二连接轴孔，所述第二连接耳的外侧面与相邻蛇骨中节圈的第一连接耳的内侧面相对，且第二连接轴孔的孔径大于第一连接轴孔的孔径；所述蛇骨后节圈的一端设有前部连接耳，且前部连接耳上设有前部连接轴孔；其创新点在于:  In order to achieve the above purpose, the technical aspect of the present invention are: Yi Gu means an endoscope, including Yi Gu front section ring, Yi Gu after the node ring connected rings and Yi Gu Yi Gu front section after section Yi Gu in several sections between the ring and the ring connection pin; Yi Gu front end of the ring is provided with a rear section connecting the ear, and the ear rear connector provided on the rear connector shaft hole; each snake both ends of the bone are provided with a first node ring connected to the ear and a second connection ear, the first connecting shaft is provided on the ear hole first connection, the second connection shaft hole is provided on the second connection ear, After the snake bone section; said second side surface connecting the outer ear and the inner side snake bone in a first connection node ring adjacent opposite ear, and a second connecting shaft hole diameter larger than the hole diameter of the first connecting shaft One end has a front connector ring ear and connected to the front of the ear on a front portion connected to the shaft hole; its innovation lies in:
a、所述连接销轴包括互为一体且同轴的第一止挡凸头、大直径段、小直径段和第二止挡凸头； a, the connecting pin comprises a first and coaxially integral with each other stopper nose, the large diameter portion, the small diameter portion and the second stopper nose ending;
b、所述蛇骨中节圈的第一连接耳上还设有与第一连接轴孔相贯通的卡装豁口，一个蛇骨中节圈的第一连接耳通过连接销轴与另一个蛇骨中节圈的第二连接耳相连； b, the first connecting node ring in the ears of the Yi Gu is also a card-mounted gap with the first phase through the connecting shaft hole, a first connecting node ring snake bone in the ear by connecting pin and another snake The second connection node ring ear bone connected;
C、所述蛇骨后节圈的前部连接耳上还设有与前部连接轴孔相贯通的前部卡装豁口； C, on the front portion of the snake bone connecting ear rings after section also features front card loading gap with the front portion of the connecting shaft through-hole phase;
d、所述蛇骨前节圈的后部连接耳通过连接销轴与相邻的蛇骨中节圈的第一连接耳相连，蛇骨后节圈的前部连接耳通过连接销轴与相邻的蛇骨中节圈的第二连接耳相连； d, the rear of the front section of the Yi Gu connection ear ring ear is connected through a first connecting pin connected to the adjacent section ring snake bone in the front section of Yi Gu ring after connecting the ear by connecting pin and phase a second section connected to the adjacent snake bone in the ear ring is connected;
e、所述蛇骨前节圈和若干个蛇骨中节圈的内侧壁上均设有轴向穿线槽。 e, the front section of the Yi Gu Yi Gu ring and several sections in the inside wall of the ring has an axial groove wear.
 在上述技术方案中，所述连接销轴穿过一个蛇骨中节圈的第二连接耳，且第二连接耳的第二连接轴孔与大直径段相对应，所述第一止挡凸头的端面与第二连接耳的内壁相抵，另一个蛇骨中节圈的第一连接耳的第一连接轴孔与小直径段相对应，且第二止挡凸头的端面与第一连接耳的外壁相抵。  In the above aspect, the connecting pin passes through a second section connected to the ear in a snake bone circle, and the second connection shaft hole with the large diameter portion corresponding to a second connecting ear, the first the inner wall of the stopper nose end surface of the second connecting ear offset, a first connecting shaft bore another snake bone in the ear node ring connected with a first small diameter portion corresponding to the second stop and the end face of the nose and the outer wall of the first connecting ear balance.
 在上述技术方案中，所述蛇骨中节圈的第一连接耳沿其轴向方向上设有卡装豁口，所述蛇骨后节圈的前部连接耳沿其轴向方向上设有前部卡装豁口。  In the above technical solution, the first connecting section of the snake bone in the ear rings along the axial direction are provided on the front of the card installed gap, the snake bone ear after connecting node ring along the axial direction On the front of the card is loaded with a gap.
 在上述技术方案中，所述蛇骨中节圈的第一连接耳和蛇骨后节圈的前部连接耳靠其根部均设有与相应的卡装豁口和前部卡装豁口相对称布置的弧形工艺豁口。  In the above technical solution, the front portion of the first connecting node ring after ear and Yi Gu Yi Gu in the node ring connected to the ear by its roots are equipped with the corresponding card installed gap and snapped front gap symmetrical arrangement of curved technology gap.
 在上述技术方案中，所述蛇骨中节圈和蛇骨前节圈的内侧壁上均有与其互为一体的弧形挡线板，且弧形挡线板与蛇骨中节圈的侧壁之间和弧形挡线板与蛇骨前节圈的侧壁之间围成的腔体形成轴向穿线槽。  In the above technical solution, the inner wall of the ring section and Yi Gu Yi Gu in the previous section ring block line has its curved plate integrally to each other, and the curved line plate with snake bone block in section between the side walls and curved retaining ring line Yi Gu front plate section between the side walls and surrounded by the ring cavity through an axial groove.
 在上述技术方案中，所述蛇骨中节圈的第一连接耳的卡装豁口和蛇骨后节圈的前部连接耳的前部卡装豁口的径向宽度均为0.1mm〜0.8mm。  In the above technical solution, the radial width of the front portion of the first connector in the ear of the snake bone gap section ring card installed and connected to the node ring after Yi Gu front portion of the card installed ear are 0.1mm gap ~0.8mm.
 在上述技术方案中，所述弧形工艺豁口的宽度为0.3mm〜1.5mm。  In the above technical solution, the gap width of the arc process 0.3mm~1.5mm.
 在上述技术方案中，所述蛇骨中节圈两端的两个第一连接耳和两个第二连接耳都均匀分布，所述第一连接耳和第二连接耳均是平板式结构，且两个第一连接耳的内侧面之间的距离大于或等于两个第二连接耳的外侧面之间的距离。  In the above technical solution, in section two of the Yi Gu circle connecting the two ends of the first and two second connection ear ears are evenly distributed, the first connection and the second connection ear ear are flatbed Distance structure and the inner surface of the two first connection between the ear is greater than or equal to the outer sides of both the distance between the second connecting ears.
 在上述技术方案中，所述蛇骨前节圈和若干个蛇骨中节圈的内侧壁上均设有两个均匀分布的轴向穿线槽，且每个轴向穿线槽的位置与第一连接耳的位置相错90°。  In the above technical solution, the inner wall of the front section of Yi Gu Yi Gu ring and several rings are provided in section axial position of two uniformly distributed through trunking, trunking and each axial wear the first connector with the wrong ear position 90 °.
 在上述技术方案中，所述蛇骨中节圈的第一连接耳和第二连接耳均是平板式结构，且第一连接耳和第二连接耳分别在两个互相平行的轴向平面内，或者第一连接耳和第二连接耳分别在两个互相垂直的轴向平面内。  In the above technical solution, the first connecting the ear and a second section connected to the ear in the Yi Gu circle are flat structure, and the first connector and the second connector ear ear in two separate axes parallel to each other to the plane, or the first and second connectors connecting ear ear respectively in two mutually perpendicular axial planes.
 本发明所具有的积极效果是:由于所述蛇骨中节圈的第一连接耳上还设有与第一连接轴孔相贯通的卡装豁口，所述蛇骨后节圈的前部连接耳上还设有与前部连接轴孔相贯通的前部卡装豁口；蛇骨中节圈的第一连接耳和第二连接耳分别是直接通过连接销轴与相邻的蛇骨前节圈的后部连接耳、蛇骨中节圈相应的连接耳和蛇骨后节圈的前部连接耳相连的，而无需通过铆钉铆合连接，因此，便于配装，且不会出现铆接质量不合格的情况，也不会出现铆钉脱落的现象，使得生产效率高，最终产品的装配质量好，同时，生产成本也较低；又由于所述蛇骨前节圈和若干个蛇骨中节圈的内侧壁上均设有轴向穿线槽，因此，便于与牵引钢丝绳装配。  The present invention has a positive effect: Because the first connection node ring in the ears of the Yi Gu is also a card-mounted gap with the first phase through the connecting shaft hole, after the snake bone section ring on the front of the ear connected to the front of the card also has a gap with the front mounted connecting shaft through-hole phase; a first connecting the ear and the second connecting node ring in the ears Yi Gu were directly connected with the adjacent snake pin the rear of the front section of bone ear ring connection, the corresponding connection ears and Yi Gu front section after section ring ring snake bone in connection ear connected via riveting without rivets, therefore, easy to be equipped, and will not substandard quality riveting situation arises, it will not appear rivets off phenomenon, making high production efficiency, good assembly quality final products, while production costs are lower; and because of the Yi Gu front section and a plurality of ring snake the inside wall of the bone in an axial section rings are worn groove, therefore, easy to assemble with the traction rope.
附图说明 Brief Description
 图1是本发明一种具体实施方式的结构示意图；  FIG. 1 is one embodiment of the present invention, the structure diagram;
图2是图1的AA尚]视不意图； Figure 2 is a AA yet] Depending 1 is not intended;
图3是图1的BB剖视示意图； Figure 3 is a BB sectional view of FIG. 1;
图4是图2的C部放大示意图； Figure 4 is a C section enlarged schematic of Figure 2;
图5是蛇骨中节圈的结构示意图； Figure 5 is a block diagram of the festival snake bone ring;
图6是图5的DD剖视示意图； 5 Fig. 6 is a schematic cross-sectional view of DD;
图7是蛇骨后节圈的结构示意图； Figure 7 is a schematic section after Yi Gu ring;
图8是图7的EE剖视示意图。 Figure 8 is a schematic cross-sectional view in FIG. 7 EE.
具体实施方式 detailed description
 以下结合附图以及给出的实施例，对本发明作进一步的说明，但并不局限于此。 Implementation  The following examples are given with reference and, for the present invention is further illustrated, but is not limited to this.
 如图1、2、3、4、5、6、7、8所示，一种内窥镜的蛇骨装置，包括蛇骨前节圈1、蛇骨后节圈3、连接在蛇骨前节圈I和蛇骨后节圈3之间的若干个蛇骨中节圈2及其连接销轴4 ;所述蛇骨前节圈I的一端设有后部连接耳1-1，且后部连接耳1-1上设有后部连接轴孔  As shown in Figure 1,2,3,4,5,6,7,8 An endoscope Yi Gu means, including Yi Gu front section ring 1, Yi Gu ring after section 3 connected Several snake bone in Section 3 ring between Yi Gu Yi Gu front section and rear section circle I ring 2 and 4 pin connector; one end of the ring I Yi Gu front section rear connector is provided ear 1-1 and the rear connector 1-1 on the ear with a rear connector shaft hole
1-1-1 ;每个蛇骨中节圈2的两端分别设有第一连接耳2-1和第二连接耳2-2，所述第一连接耳2-1上设有第一连接轴孔2-1-2，所述第二连接耳2-2上设有第二连接轴孔2-2-1，所述第二连接耳2-2的外侧面与相邻蛇骨中节圈2的第一连接耳2-1的内侧面相对，且第二连接轴孔2-2-1的孔径大于第一连接轴孔2-1-2的孔径；所述蛇骨后节圈3的一端设有前部连接耳3-1，且前部连接耳3-1上设有前部连接轴孔3-1-2 ； 1-1-1; the ends of each section of Yi Gu ring 2 are provided with a first connector and a second connector ear ear 2-1 2-2, the first connection with a first ear 2-1 connecting shaft hole 2-1-2, 2-2-1 with a second connection shaft hole connecting said second ear 2-2, the outer side surface of the second connecting ear 2-2 in an adjacent Yi Gu ear first connecting node ring 2 relative to the inner side surface of 2-1, and the second connecting shaft hole diameter is larger than the first connecting shaft 2-2-1 2-1-2 aperture hole; Yi Gu rear section of the ring 3 is a front end portion connected to the ear 3-1, and 3-1 on the front of the ear is connected with a front connector shaft hole 3-1-2;
a、所述连接销轴4包括互为一体且同轴的第一止挡凸头4-1、大直径段4-2、小直径段4-3和第二止挡凸头4-4; a, the connecting pin 4 comprises mutually coaxial and integral stopper nose 4-1, 4-2 large diameter portion, the small diameter portion 4-3 and the second stop nose 4-4 first stop;
b、所述蛇骨中节圈2的第一连接耳2-1上还设有与第一连接轴孔2-1-2相贯通的卡装豁口2-1-1，一个蛇骨中节圈2的第一连接耳2-1通过连接销轴4与另一个蛇骨中节圈2的第二连接耳2-2相连； b, in the Yi Gu is also a card-mounted node ring gap with the first connecting shaft hole 2-1-2 through 2-1-1 with a snake bone in Section 2-1 of the first connector 2 ear first connecting ring 2 ears 2-1 by connecting pin 4 and another snake bone in the node ring connected to the second connection ear 2-2 2;
c、所述蛇骨后节圈3的前部连接耳3-1上还设有与前部连接轴孔3-1-2相贯通的前部卡装豁口3-1-1 ; c, Yi Gu front of the rear section 3 is connected to the ear ring on the front of the card also has a 3-1 gap with the front mounted connecting shaft holes 3-1-2 through 3-1-1 phase;
d、所述蛇骨前节圈I的后部连接耳1-1通过连接销轴4与相邻的蛇骨中节圈2的第一连接耳2-1相连，蛇骨后节圈3的前部连接耳3-1通过连接销轴4与相邻的蛇骨中节圈2的第二连接耳2-2相连； d, the rear of the front section of the Yi Gu ear ring I connected by connecting pin 4 1-1 with the adjacent ring snake bone in Section 2-1 of the first connector 2 is connected to the ear, after Yi Gu ring section 3 front connection ear by connecting pin 4 3-1 adjacent Yi Gu in the second connecting node ring connected to the ear 2-2 2;
e、所述蛇骨前节圈I和若干个蛇骨中节圈2的内侧壁上均设有轴向穿线槽5。 e, the Yi Gu front section ring I and several snake bone in the medial wall of the ring section 2 has an axial through groove 5.
 如图2所示，为了便于配装，所述连接销轴4穿过一个蛇骨中节圈2的第二连接耳  As shown, in order to facilitate fitted, the connecting pin 4 in FIG. 2 through a second connection node ring snake bone in the ear 2
2-2，且第二连接耳2-2的第二连接轴孔2-2-1与大直径段4-2相对应，所述第一止挡凸头4-1的端面与第二连接耳2-2的内壁相抵，另一个蛇骨中节圈2的第一连接耳2-1的第一连接轴孔2-1-2与小直径段4-3相对应，且第二止挡凸头4-4的端面与第一连接耳2-1的外壁相抵。 2-2, the second connection and the second connection shaft hole ear 2-2 2-2-1 4-2 and the large diameter portion corresponding to said second connection end face of the first stopper stopper nose 4-1 2-2 the inner wall of the ear offset, Yi Gu in another node ring connected to two of the first ear of the first connecting shaft hole 2-1 2-1-2 and 4-3 corresponding to the small diameter portion, and a second stop 4-4 nose end and the outer wall of the first connection ear offset 2-1.
 如图2、4所示，所述连接销轴4穿过蛇骨前节圈I的后部连接耳1-1，且后部连接耳1-1的前部连接轴孔1-1-1与大直径段4-2相对应，所述第一止挡凸头4-1的端面与后部连接耳1-1的内壁相抵，相邻的蛇骨中节圈2的第一连接耳2-1的第一连接轴孔2-1-2与小直径段4-3相对应，且第二止挡凸头4-4的端面与第一连接耳2-1的外壁相抵。  2 and 4, the connection 4 through Yi Gu front rear section of the pin connection ear ring I 1-1, and the front portion of the rear connector connected to the shaft hole ear 1- 1-1 1-1 and 4-2 corresponding to the large diameter portion, the face and the rear stopper nose 4-1, 1-1 first stop connecting the inner wall of the ear of balance, adjacent Yi Gu in section 2 of the first ring connecting a first connecting shaft 2-1 ear hole 2-1-2 and 4-3 corresponding to the small diameter portion, and the second stop nose 4-4 of the first connection end face of the outer wall of the ear 2-1 offset.
 为了提高装配精度、使用灵活以及装配后的蛇骨的旋转角度范围大，所述蛇骨中节圈2的第一连接耳2-1沿其轴向方向上设有卡装豁口2-1-1 (如图5所示)，所述蛇骨后节圈3的前部连接耳3-1沿其轴向方向上设有前部卡装豁口3-1-1 (如图7所示)。  In order to improve assembly precision, flexible and Yi Gu assembled rotation angle range, the first connecting node ring snake bone in the ear 2 2-1 provided along its axial direction snapped gap 2 -1-1 (Figure 5), the front section of the snake bone after 3-1 ring 3 is connected along its ear with a front gap 3-1-1 card installed in the axial direction (Figure 7 shown).
 如图5、7所示，为了减少加工工序，便于配装，所述蛇骨中节圈2的第一连接耳2-1和蛇骨后节圈3的前部连接耳3-1靠其根部均设有与相应的卡装豁口2-1-1和前部卡装豁口3-1-1相对称布置的弧形工艺豁口6。  FIG. 5 and 7, in order to reduce the manufacturing processes, facilitate fitted, the front portion of the first connecting node ring snake bone in the ear after 2 2-1 and Yi Gu ring section 3 is connected to the ear 3- 1 by its roots are equipped with the corresponding card installed gap 2-1-1 and 3-1-1 notch front card installed symmetrically arranged gap 6 arc process.
 如图3所示，为了便于加工，所述蛇骨中节圈2和蛇骨前节圈I的内侧壁上均有与其互为一体的弧形挡线板7，且弧形挡线板7与蛇骨中节圈2的侧壁之间和弧形挡线板7与蛇骨前节圈I的侧壁之间围成的腔体形成轴向穿线槽5。  FIG. 3, in order to facilitate processing, the Yi Gu Yi Gu in section 2 and the front section ring ring I have an inner wall of each other one of its curved line blocking plate 7, and the arc-shaped gear Line plate with snake bone in sections 7 ring between the side wall 2 and the curved plate 7 between the side walls block line Yi Gu front section of the ring I enclose a cavity through an axial groove 5. 即在蛇骨中节圈2和蛇骨前节圈I的侧壁上切割两个工艺开口，然后再分别对蛇骨中节圈2和蛇骨前节圈I的工艺开口处的弧形条状壁面进行冲压即可形成弧形挡线板7。 That cut two openings in the Yi Gu craft circle in section 2 and the side wall section laps before I Yi Gu, and then separately Yi Gu Yi Gu in section 2 and the front section ring ring I arcuate opening process like punching the wall to form an arc block Panel 7.
 为了使得本发明结构更加合理，以及便于装配，所述蛇骨中节圈2的第一连接耳  In order to make a more rational structure of the present invention, as well as ease of assembly, the first connecting node ring snake bone in the ear 2
2-1的卡装豁口2-1-1和蛇骨后节圈3的前部连接耳3-1的前部卡装豁口3-1-1的径向宽度均为0.1mm〜0.8mm。 2-1, 2-1-1 and snake bone gap card installed after the front section of the connection ring 3 3-1 front ear gap radial width card installed 3-1-1 are 0.1mm~0.8mm. 所述弧形工艺豁口6的宽度为0.3mm〜1.5mm。 The gap width of 6 arc process for 0.3mm~1.5mm.
 如图6所示，为了能够保证蛇骨在上下或者左右转动时的平稳性好，所述蛇骨中节圈2两端的两个第一连接耳2-1和两个第二连接耳2-2都均匀分布，所述第一连接耳1-1和第二连接耳1-2均是平板式结构，且两个第一连接耳1-1的内侧面之间的距离大于或等于两个第二连接耳1-2的外侧面之间的距离。  As shown in Figure 6, in order to ensure the smooth rotation of the snake bone and down or left and right when the good, both in the Yi Gu node ring connected to two ends of a first and two second connecting ears 2-1 the ears are evenly distributed 2-2, 1-1 of the first connector and the second connector ear ear 1-2 are flat structure, and the distance between the two first connection of the inner surface of the ear or greater than 1-1 equal to the outer side of the second connection between the two ears 1-2 distance.
 如图3所示，为了便于与牵引钢丝绳装配，所述蛇骨前节圈I和若干个蛇骨中节圈2的内侧壁上均设有2个均匀分布的轴向穿线槽5，且每个轴向穿线槽5的位置与第一连接耳2-1的位置相错90°。  FIG. 3, in order to facilitate the assembly with the traction rope, Yi Gu front section of the ring I and several snake bone in the inside wall of the ring section 2 has two axial wear uniform groove 5 and the position of each axial groove 5 through the first connecting position with the wrong ear 2-1 90 °.
 如图5、6所示，为了便于装配和转动，所述蛇骨中节圈2的第一连接耳2-1和第二连接耳2-2均是平板式结构，且第一连接耳2-1和第二连接耳2-2分别在两个互相平行的轴向平面内，这样的蛇骨中节圈2，安装成的蛇骨可以在两个方向上转动。  FIG. 5 and 6, in order to facilitate assembly and rotating the first connecting node ring snake bone in the ear 2 ear of 2-1 and 2-2 are connected to a second plate-type structure, and the first ear connect connection ear 2-1 and 2-2 in the second axial plane two mutually parallel, so that Yi Gu circle in section 2, mounted to the snake bone can rotate in both directions, respectively. 或者，也可以是另一种的蛇骨中节圈2，即所述第一连接耳2-1和第二连接耳2-2均是平板式结构，且第一连接耳2-1和第二连接耳2-2分别在两个互相垂直的轴向平面内，这另一种的蛇骨中节圈2，安装成的蛇骨可以在四个方向上转动。 Alternatively, in another section of Yi Gu circle 2, that the first connector and the second connector ear ear 2-1 2-2 are flat structure, and the first 2-1 and the second connecting ear Second connection ear 2-2 in two mutually perpendicular axial planes, which in another section of Yi Gu ring 2, mounted the snake bone can rotate in four directions, respectively.
 本发明装配时:  The present invention is assembled:
①、将蛇骨前节圈I的后部连接耳1-1插入蛇骨中节圈2的第一连接耳2-1内侧，并使后部连接耳1-1的后部连接轴孔1-1-1与第一连接耳2-1的第一连接轴孔2-1-2相对应； ①, the rear section of Yi Gu front 1-1 laps I connect ear ring inserted inside of the snake bone in section 2 of the first connecting ear 2-1, 1-1 and the rear connector connected to the rear axle ear hole 1 -1-1 first connection ear first connecting shaft hole 2-1, 2-1-2 corresponds;
②、将连接销轴4的第二止挡凸头4-4 一端从蛇骨前节圈I后部连接耳1-1的后部连接轴孔1-1-1向外穿装，同时利用定位芯棒对蛇骨前节圈I的后部连接轴孔1-1-1中的连接销轴4的第一止挡凸头4-1部位挤压，使连接销轴4的第一止挡凸头4-1 一端受到向外的力，然后用带有轴孔的挤压棒的端部顶住并挤压蛇骨中节圈2的第一连接耳2-1，使得蛇骨中节圈2的第一连接耳2-1的卡装豁口2-1-1涨开至连接销轴4的第二止挡凸头4-4 一端穿过蛇骨中节圈2的第一连接轴孔2-1-2，此时连接销轴4的第一止挡凸头4-1端面与后部连接耳1-1的内壁相抵，连接销轴4的小直径段4-3恰好装在蛇骨中节圈2的第一连接轴孔2_1_2中，卡装豁口2_1_1复位； ②, the connection pin 4 of the second stop nose 4-4 1-1 connected at one end connected to the rear of the ear hole 1-1-1 shaft means outwardly from snake bone through the front section of the rear ring I, while the use of positioning mandrel Yi Gu front of the rear section of the ring I of the connection shaft connecting pin hole 1-1-1 first stopper convex portion 4 of the extrusion head 4-1, the connection of the first stop pin 4 4-1 end stopper nose by outward force, then withstood extrusion rod ends with a shaft hole and squeeze Yi Gu in section 2 of the first connecting ring ear 2-1, making the snake bone in The first connection node ring ear 2 2-1 2-1-1 gap to open up card installed to connect the pin 4 of the second stop nose 4-4 through the first end connected Yi Gu in section 2 of the ring 2-1-2 shaft hole, this time connected to pin 4 of the first stopper and the rear end face of the nose 4-1 1-1 connected to the inner wall of the ear balance, small diameter portion connected to pin 4 fitted exactly 4-3 Yi Gu circle in the first connecting shaft hole section 2_1_2 2, snapped gap 2_1_1 reset;
③、同样步骤将其余蛇骨中节圈、蛇骨中节圈与蛇骨后节圈装配连接成最终的蛇骨装置。 ③, the same procedure in the remaining section of Yi Gu circle, circle and Yi Gu Yi Gu in section after section ring assembly into the final snake bone connected devices.
 本发明通过连接销轴4进行装配，使得装配非常方便可靠，且不会出现铆接质量不合格的情况，也不会出现铆钉脱落的现象，使得生产效率高，最终产品的装配质量好，同时，生产成本也较低。  The present invention is assembled by connecting pin 4, so that assembly is very convenient and reliable, substandard quality riveting situation and do not appear, it will not appear rivets off phenomenon, making high production efficiency, good assembly quality final product Meanwhile, production costs are lower.
 本发明使用时，将两根牵引钢丝绳分别穿过蛇骨前节圈I和蛇骨中节圈2的两个穿线槽5，且将两根钢丝绳的一端分别与蛇骨前节圈I固定连接。  When the present invention, the two were pulling the rope through the front section of Yi Gu and Yi Gu ring I wear two rings in section 2 of the groove 5, and the end of the rope are two laps before the festival and Yi Gu I fixed connection.
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