CN112545731B - Cervical vertebra traction chair - Google Patents

Abstract

The invention relates to a cervical vertebra traction chair, which comprises a traction chair body, wherein the traction chair body comprises a backrest, a chair seat, a chair leg structure and armrests, and the backrest is of a hollow structure with an opening at the upper end; the traction mechanism comprises a vertical telescopic structure, an angle adjusting structure and a transverse telescopic structure, one end of the vertical telescopic structure is suitable for being inserted into the backrest from the opening and is connected with the seat, and the other end of the vertical telescopic structure is rotatably connected with the transverse telescopic structure through the angle adjusting structure; the supporting mechanism comprises a dynamometer connected with the lifting hook, a traction support connected with the dynamometer in a hanging mode and traction belts connected with two ends of the traction support, and the traction belts are suitable for supporting cervical vertebrae of a human body and used for treating cervical spondylosis. According to the invention, the backrest is designed into a hollow structure with an opening at the upper end, so that the backrest is suitable for accommodating the traction mechanism and is convenient for family use; stability and safety can be improved by adjustment of the traction mechanism.

Description

A cervical traction chair

Technical Field

The invention relates to the technical field of cervical vertebra traction chairs, in particular to a cervical vertebra traction chair.

Background technique

With the increasingly fast pace of life in modern cities, more and more people suffer from cervical spondylosis due to sitting in the office in front of the computer for a long time. The cervical traction chair, as the most direct, convenient and effective way to treat cervical spondylosis, is being used by more and more people.

However, most of the existing cervical traction chairs are fixed-structure traction chairs used in hospitals. There is a lack of traction chairs for home use, and the functions are also not suitable for home use. The traction force cannot be adjusted during use, which greatly reduces the practicality of the existing traction chairs. Moreover, the stability of the existing cervical traction chairs is poor, and there is a risk of tipping over, which greatly reduces the safety of the existing cervical traction chairs. The cervical traction chair can provide an upward traction force, which can act on the patient's head to increase the vertebral space and the intervertebral foramen, thereby performing cervical traction treatment on the patient. However, the existing cervical traction chair is not suitable for cervical traction treatment of patients with unilateral nerve root compression.

Summary of the invention

The purpose of the present invention is to overcome the problems in the background art that the cervical vertebra traction chair is not suitable for home use, cannot adjust the traction force, has poor stability and cannot arbitrarily adjust the traction angle, thereby providing a cervical vertebra traction chair.

In order to solve the above problems, the present invention provides a cervical traction chair, comprising a traction chair body, the traction chair body comprising a backrest, a seat, a chair leg structure and an armrest, the backrest is a hollow structure with an opening at the upper end, one pair of sides of the seat are provided with armrests, one end of the other pair of sides of the seat is connected to the backrest, the chair leg structure is supported at the bottom of the seat, the chair leg structure is a liftable structure, and is suitable for the user to slide and move;

A traction mechanism, wherein the traction mechanism is suitable for being received in the hollow structure of the backrest, and the traction mechanism comprises a handwheel rotating structure, a traction rope, a vertical telescopic structure, an angle adjustment structure, a transverse telescopic structure, a guide wheel group and a hook, wherein the handwheel rotating structure is installed on the side of the seat, one end of the vertical telescopic structure is suitable for being inserted into the backrest from the opening and connected to the seat, and the other end is rotatably connected to the transverse telescopic structure through the angle adjustment structure, the guide wheel group is arranged at the ends of the vertical telescopic structure and the transverse telescopic structure, one end of the traction rope is fixed to the handwheel rotating structure, and the other end of the traction rope is connected to the hook by passing through the guide wheel group.

The supporting mechanism comprises a dynamometer connected to the hook, a traction bracket hung with the dynamometer and a traction belt connected with both ends of the traction bracket, wherein the traction belt is suitable for supporting the human cervical spine for treating cervical spondylosis.

Optionally, the vertical telescopic structure includes two symmetrically arranged vertical telescopic tubes, and the transverse telescopic structure includes two symmetrically arranged transverse telescopic tubes, one end of the two vertical telescopic tubes are respectively connected to the chair leg structure, the other end of the two vertical telescopic tubes are respectively rotatably connected to the two transverse telescopic tubes, and the other end of the two transverse telescopic tubes are connected to the guide wheel group.

Optionally, the angle adjustment structure includes a first swivel hook symmetrically connected to the two vertical telescopic tubes, a second swivel hook symmetrically connected to the two horizontal telescopic tubes, and a first swivel axis passing through the first swivel hook and the second swivel hook, the two first swivel hooks and the two second swivel hooks are symmetrically arranged about the first swivel axis, and the first swivel hook is located on the outside of the second swivel hook.

Optionally, the vertical telescopic tube includes a first sleeve, a second sleeve and a third sleeve that are nested and connected in sequence, a first limiting fixing structure suitable for adjusting the relative nesting height is provided between the first sleeve and the second sleeve, and a second limiting fixing structure suitable for adjusting the relative nesting height is provided between the second sleeve and the third sleeve.

Optionally, the chair leg structure includes a spring telescopic rod, a chair leg and a universal roller, the top end of the spring telescopic rod is arranged at the bottom of the seat, the chair leg is welded to the bottom end of the spring telescopic rod, and a universal roller is provided at one end of the chair leg.

Optionally, the handwheel rotation structure includes a handwheel rotatably mounted on one side of the seat, a screw fixedly connected to the handwheel, and a slider penetrating the screw, wherein the slider is suitable for sliding on the screw when the handwheel and the screw rotate.

Optionally, the first limiting fixing structure includes a first spring fixedly connected to the inner wall of the second sleeve and a first locking protrusion fixedly connected to the other end of the first spring, the first locking protrusion being suitable for being locked in the limiting holes corresponding to the first sleeve and the second sleeve, and the second limiting fixing structure includes a second spring fixedly connected to the inner wall of the third sleeve and a second locking protrusion fixedly connected to the other end of the second spring, the second locking protrusion being suitable for being locked in the limiting holes corresponding to the second sleeve and the third sleeve.

Optionally, the transverse telescopic tube includes a fourth sleeve and a fifth sleeve that are nested and connected, and a third limiting and fixing structure suitable for adjusting the relative nesting depth is provided between the fourth sleeve and the fifth sleeve. The third limiting and fixing structure includes a third spring fixedly connected to the inner wall of the fifth sleeve, a third locking protrusion fixedly connected to the other end of the third spring, and an adjusting and fixing mechanism threadedly connected to the end of the fifth sleeve, and the adjusting and fixing mechanism is suitable for adjusting the lateral displacement of the support mechanism.

Optionally, the guide wheel group includes a first guide wheel arranged at the bottom of the seat, a second guide wheel fixed between the two first sleeves, a third guide wheel passed through the first rotating shaft and located between the second rotating shafts, and a fourth guide wheel fixed between the two fifth sleeves, and the traction rope is wound around the first guide wheel, the second guide wheel, the third guide wheel and the fourth guide wheel.

Optionally, the adjusting and fixing mechanism includes a sleeve inserted into the end of the fifth sleeve and a screw passing through the sleeve, wherein the screw is suitable for rotating to be threadedly connected in the fifth sleeve and suitable for pushing the sleeve to slide in the fifth sleeve.

Compared with the prior art, the present invention has at least the following beneficial effects:

The present invention designs the backrest to be a hollow structure with an opening at the upper end, and the hollow structure can be used to store the traction mechanism. When not in use, the traction mechanism can be folded and stored in the backrest, thereby avoiding the need for disassembly and installation of traditional cervical traction chairs, which is very troublesome. At the same time, it also further reduces the space occupied by the family, making it convenient for family use.

The vertical telescopic structure and the lateral telescopic structure can control their heights by telescoping to meet the needs of different users. The angle adjustment structure can be used to adjust the angle between the vertical telescopic structure and the lateral telescopic structure. In this way, the cervical traction chair can provide upward traction within a certain angle range. The upward traction force can act on the patient's head and the traction angle can be adjusted, so that it is suitable for cervical traction treatment of patients with compressed nerve roots on different sides.

The traction force can be adjusted during use through the hand wheel rotation structure and the dynamometer, which greatly enhances the practicality of the traction chair. In addition, the vertical telescopic structure and the horizontal telescopic structure of the cervical traction chair both adopt symmetrically arranged double telescopic sleeves, which enhances stability and avoids the risk of tipping over of the existing cervical traction chair, greatly increasing safety.

The bottom of the cervical traction chair is equipped with a spring telescopic rod and universal wheels. When you need to change your position, you don't have to leave the seat. You only need to turn the wheels and adjust the height to achieve the desired purpose.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the side structure of a cervical traction chair in an embodiment of the present invention;

FIG2 is a schematic diagram of the rear view of the cervical traction chair according to an embodiment of the present invention;

FIG3 is a schematic diagram of a top view of the structure of a cervical traction chair according to an embodiment of the present invention;

FIG4 is a structural schematic diagram of a specific example of a sliding guide rail structure between the first rotary lift and the second rotary lift in an embodiment of the present invention;

FIG5 is a schematic diagram of the connection structure between the fourth sleeve and the fifth sleeve in an embodiment of the present invention;

FIG6 is a schematic diagram of the front view of the traction mechanism in an embodiment of the present invention;

7 is a schematic diagram of the connection structure between the fifth sleeve and the sleeve in an embodiment of the present invention;

FIG8 is a schematic diagram of a first position limiting and fixing structure between the first sleeve and the second sleeve in an embodiment of the present invention;

9 is a schematic diagram of a second position limiting and fixing structure between the second sleeve and the third sleeve in an embodiment of the present invention;

10 is a schematic diagram of a hand wheel rotation structure according to an embodiment of the present invention;

11 is a schematic structural diagram of a fourth guide wheel in an embodiment of the present invention;

FIG12 is a schematic diagram of an angle adjustment structure according to an embodiment of the present invention;

FIG. 13 is a schematic structural diagram of a specific example of a cervical traction chair in an embodiment of the present invention.

Description of reference numerals:

1- traction chair body; 11- backrest; 111- opening; 12- seat; 13- chair leg structure; 131- spring telescopic rod; 132- chair leg; 133- universal roller; 14- armrest; 2- traction mechanism; 21- hand wheel rotation structure; 211- hand wheel; 212- lead screw; 213- slider; 22- traction rope; 23- vertical telescopic structure; 231- vertical telescopic tube; 2311- first sleeve; 2312- second sleeve; 2313- third sleeve; 24- transverse telescopic structure; 241- transverse telescopic tube; 2411- fourth sleeve; 2412- fifth sleeve; 25- guide wheel group; 251- first guide wheel; 252- second guide wheel; 253- third guide wheel; 254- fourth guide wheel; 2541- bracket seat; 2542- bushing; 2543- first screw; 2544- first Two rotating shafts; 26-angle adjustment structure; 261-first rotating shaft; 262-first rotating hook; 263-second rotating hook; 264-second screw; 27-hook; 3-support mechanism; 31-dynamometer; 32-traction bracket; 33-traction belt; 4-first limit fixing structure; 41-first spring; 42-first clamping protrusion; 43-first positioning pin; 5-second limit fixing structure; 51-second spring; 52-second clamping protrusion; 53-second positioning pin; 6-third limit fixing structure; 61-third spring; 62-third clamping protrusion; 63-adjustment fixing mechanism; 631-sleeve; 632-screw; 7-support adjustment mechanism; 71-support frame; 72-third rotating shaft; 73-fourth rotating shaft; 74-sliding locking frame; 8-sliding guide rail structure; 81-guide rail groove; 82-sliding column.

Detailed ways

The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "first", "second", ... "sixth", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

It should be noted that, in the coordinate system X, Y, and Z provided in this article, the positive direction of the X axis represents the left, the negative direction of the X axis represents the right, the positive direction of the Y axis represents the front, the negative direction of the Y axis represents the back, the positive direction of the Z axis represents the top, and the negative direction of the Z axis represents the bottom.

In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, it can also be the internal connection of two components, it can be a wireless connection, or it can be a wired connection. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

As shown in FIGS. 1-13 , an embodiment of the present invention provides a cervical traction chair, comprising a traction chair body 1, wherein the traction chair body 1 comprises a backrest 11, a seat 12, a leg structure 13 and an armrest 14, the backrest 11 is a hollow structure with an opening 111 at the upper end, the armrest 14 is provided on one pair of sides of the seat 12, one end of the other pair of sides of the seat 12 is connected to the backrest 11, the leg structure 13 is supported at the bottom of the seat 12, the leg structure 13 is a liftable structure, and is suitable for the user to slide and move;

The traction mechanism 2 is suitable for being received in the hollow structure of the backrest 11. The traction mechanism 2 comprises a hand wheel rotating structure 21, a traction rope 22, a vertical telescopic structure 23, an angle adjustment structure 26, a transverse telescopic structure 24, a guide wheel group 25 and a hook 27. The hand wheel rotating structure 21 is installed on the side of the seat 12. One end of the vertical telescopic structure 23 is suitable for being inserted into the backrest 11 through the opening 111 and connected to the seat 12. The other end is rotatably connected to the transverse telescopic structure 24 through the angle adjustment structure 26. The guide wheel group 25 is arranged at the ends of the vertical telescopic structure 23 and the transverse telescopic structure 24. One end of the traction rope 22 is fixed to the hand wheel rotating structure 21, and the other end of the traction rope 22 is connected to the hook 27 by passing through the guide wheel group 25.

The supporting mechanism 3 includes a dynamometer 31 connected to the hook 27, a traction bracket 32 hung on the dynamometer 31, and a traction belt 33 connected to both ends of the traction bracket 32. The traction belt 33 is suitable for supporting the human cervical spine for treating cervical spondylosis.

In the embodiment of the present invention, as shown in Figures 1 and 13, the backrest 11 is a cavity with a hollow structure, and an opening 111 is provided at the top of the cavity. The backrest 11 is a square shell-like component, and a flexible cushion is provided on the outer side of the backrest 11. It is designed according to ergonomics and can give people a comfortable backrest feeling; the seat 12 is a square structure, and a flexible cushion is placed on it; the chair leg structure 13 can facilitate the user to slide freely.

As shown in Figure 1, the traction mechanism 2 is used to provide power and support to the supporting mechanism 3. The vertical telescopic structure 23 and the lateral telescopic structure 24 can control their heights by telescoping to meet the needs of different users. The angle adjustment structure 26 can be used to adjust the angle between the vertical telescopic structure 23 and the lateral telescopic structure 24. In this way, the cervical traction chair can provide upward traction within a certain angle range. The upward traction force can act on the patient's cervical spine and the traction angle can be adjusted, so that it is suitable for cervical traction treatment of patients with compressed nerve roots on different sides.

The support mechanism 3 (not fully shown in the figure) is used to be put on the human head. By turning the hand wheel rotation structure 21, the traction rope 22 passes around the guide wheel group 25 and the hook 27, and the top end of the traction rope 22 pulls the dynamometer 31 and the traction belt 33 to achieve traction. The traction force can be adjusted as needed.

In the embodiment of the present invention, the backrest 11 is designed as a hollow structure with an opening 111 at the upper end. The hollow structure can be used to store the traction mechanism 2. When not in use, the traction mechanism 2 can be folded and stored in the hollow structure of the backrest 11, thereby avoiding the problem of the traditional cervical traction chair requiring disassembly and installation and the cumbersome installation. At the same time, it also further reduces the space occupied by the family and is convenient for family use. The vertical telescopic structure 23 and the horizontal telescopic structure 24 can control their heights by telescoping to meet the needs of different users. The angle adjustment structure 26 can be used to adjust the angle between the vertical telescopic structure 23 and the horizontal telescopic structure 24, so that the cervical traction chair can provide traction force within a certain angle range upward. The upper traction force can act on the patient's head, and the traction angle can be adjusted, so that it is suitable for cervical traction treatment of patients with compressed nerve roots on different sides; through the handwheel rotation structure 21 and the dynamometer 31, the traction force can be adjusted during use, which greatly enhances the practicality of the traction chair. Moreover, the vertical telescopic structure 23 and the horizontal telescopic structure 24 of the cervical traction chair both adopt symmetrically arranged double telescopic sleeves, which enhances stability and avoids the risk of tipping over of the existing cervical traction chair, greatly increasing safety; the chair leg structure 13 is a liftable structure and is suitable for users to slide and move. When changing positions, there is no need to leave the seat, and the desired purpose can be achieved by simply turning the roller and adjusting the height.

Specifically, as shown in FIGS. 1, 2, and 3, the vertical telescopic structure 23 includes two symmetrically arranged vertical telescopic tubes 231, and the transverse telescopic structure 24 includes two symmetrically arranged transverse telescopic tubes 241. One end of the two vertical telescopic tubes 231 is fixedly connected to the chair leg structure 13 to provide support and fix the vertical telescopic structure 23. The other ends of the two vertical telescopic tubes 231 are rotatably connected to the two transverse telescopic tubes 241, and the other ends of the two transverse telescopic tubes 241 are connected to the guide wheel set 25. With such a configuration, the lifting height can be adjusted through the vertical telescopic structure 23, and the transverse telescopic structure 24 can be telescoped in the front-to-back direction, so that the traction belt 33 can be pulled and stretched at a certain angle to the user's cervical spine.

Specifically, as shown in FIGS. 1, 2, 3, 4, and 12, the angle adjustment structure 26 includes a first swivel hook 262 symmetrically connected to two vertical telescopic tubes 231, a second swivel hook 263 symmetrically connected to two horizontal telescopic tubes 241, and a first rotary shaft 261 penetrating the first swivel hook 262 and the second swivel hook 263. The two first swivel hooks 262 and the two second swivel hooks 263 are symmetrically arranged about the first rotary shaft 261, and the first swivel hook 262 is located outside the second swivel hook 263. In the embodiment of the present invention, the first swivel hook 262 and the second swivel hook 263 can be rotatably arranged with respect to each other, so as to facilitate the adjustment of the traction angle.

In an embodiment of the present invention, a guide groove 81 is provided on the end face of the first rotary lift 262 close to the second rotary lift 263, and a sliding column 82 is provided at the end face position corresponding to the second rotary lift 263. The sliding column 82 is suitable for sliding in the guide groove 81 so that the first rotary lift 262 and the second rotary lift 263 can rotate relative to each other, and the top end of the third sleeve 2313 is welded to the cylindrical surface of the first rotary lift 262, and the top end of the fourth sleeve 2411 is welded to the cylindrical surface of the second rotary lift 263, so that the angle between the vertical telescopic tube 231 and the horizontal telescopic tube 241 can be adjusted.

Specifically, as shown in FIGS. 1 and 2 , the vertical telescopic tube 231 includes a first sleeve 2311, a second sleeve 2312, and a third sleeve 2313 that are sequentially nested and connected, a first position-limiting fixing structure 4 suitable for adjusting the relative nesting height is provided between the first sleeve 2311 and the second sleeve 2312, and a second position-limiting fixing structure 5 suitable for adjusting the relative nesting height is provided between the second sleeve 2312 and the third sleeve 2313. The first position-limiting fixing structure 4 is used to adjust the nesting height between the first sleeve 2311 and the second sleeve 2312, and the second position-limiting fixing structure 5 is used to adjust the nesting height between the second sleeve 2312 and the third sleeve 2313, so as to facilitate the use of users of different heights.

Specifically, in combination with Figures 1 and 2, the chair leg structure 13 includes a spring telescopic rod 131, a chair leg 132 and a universal roller 133. The top end of the spring telescopic rod 131 is arranged at the bottom of the seat 12, the chair leg 132 is welded to the bottom end of the spring telescopic rod 131, and a universal roller 133 is provided at one end of the chair leg 132.

In the embodiment of the present invention, a spring telescopic rod 131 and a universal roller 133 are installed at the bottom of the cervical traction chair. When the position needs to be changed, there is no need to leave the chair, and the desired purpose can be achieved by simply rotating the roller and adjusting the height.

Specifically, as shown in FIGS. 1, 2, 3 and 10, the hand wheel rotating structure 21 includes a hand wheel 211 rotatably mounted on one side of the seat 12, a lead screw 212 fixedly connected to the hand wheel 211, and a slider 213 passing through the lead screw 212, wherein the slider 213 is adapted to slide on the lead screw 212 when the hand wheel 211 and the lead screw 212 rotate. Thus, when the traction force needs to be adjusted, the hand wheel 211 is rotated to drive the lead screw 212 to rotate, and driven by the lead screw 212, the slider 213 threadedly connected to the lead screw 212 is located in the limiting groove at the bottom of the seat 12 at the other end, so that the slider 213 moves in the limiting groove, and pulls the traction rope 22 fixedly connected to the slider 213 to move.

Specifically, in combination with what is shown in FIG1 , the first limiting fixing structure 4 includes a first spring 41 fixedly connected to the inner wall of the second sleeve 2312 and a first locking protrusion 42 fixedly connected to the other end of the first spring 41, the first locking protrusion 42 being suitable for being locked in the limiting holes corresponding to the first sleeve 2311 and the second sleeve 2312, and the second limiting fixing structure 5 includes a second spring 51 fixedly connected to the inner wall of the third sleeve 2313 and a second locking protrusion 52 fixedly connected to the other end of the second spring 51, the second locking protrusion 52 being suitable for being locked in the limiting holes corresponding to the second sleeve 2312 and the third sleeve 2313.

In the embodiment of the present invention, as shown in FIG. 8 , in order to facilitate the adjustment of the nesting height between the first sleeve 2311 and the second sleeve 2312, a transversely arranged first spring 41 is fixedly provided on the inner wall of the second sleeve 2312, and a first positioning protrusion 42 is fixedly provided at the other end of the first spring 41, and the first positioning protrusion 42 is suitable for sliding in the through holes corresponding to the first sleeve 2311 and the second sleeve 2312, and the head of the first positioning protrusion 42 is conical, so that when a misalignment occurs between the first sleeve 2311 and the second sleeve 2312, the outer first sleeve 2311 can move the first positioning protrusion 42 to the first position. The first sleeve 2311 and the second sleeve 2312 are pressed and extended inwardly by the first spring 41, thereby realizing the telescopic movement between the first sleeve 2311 and the second sleeve 2312; when fixing is required, the first locking protrusion 42 is aligned with the through hole between the first sleeve 2311 and the second sleeve 2312, and the first locking protrusion 42 can roughly position the first sleeve 2311 and the second sleeve 2312 under the action of the first spring 41. In order to further ensure sufficient strength between the first sleeve 2311 and the second sleeve 2312, preferably, a through hole that penetrates each other is provided between the first sleeve 2311 and the second sleeve 2312, and the first positioning pin 43 is inserted to further fix it. The same setting, combined with Figures 1 and 9, in order to adjust the nesting height between the second sleeve 2312 and the third sleeve 2313, a transversely arranged second spring 51 is fixedly provided on the inner wall of the third sleeve 2313, and a second locking protrusion 52 is fixedly provided at the other end of the second spring 51, and the second locking protrusion 52 is suitable for sliding in the corresponding through hole between the second sleeve 2312 and the third sleeve 2313, and the head of the second locking protrusion 52 is also conical, so that when a misalignment occurs between the second sleeve 2312 and the third sleeve 2313, the outer second sleeve 2312 can squeeze the second locking protrusion 52 inward to expand and contract, thereby realizing the telescopic movement between the second sleeve 2312 and the third sleeve 2313.

Specifically, in combination with Figures 2 and 5, the transverse telescopic tube 241 includes a fourth sleeve 2411 and a fifth sleeve 2412 that are nested and connected, and a third limiting fixing structure 6 suitable for adjusting the relative nesting depth is provided between the fourth sleeve 2411 and the fifth sleeve 2412. The third limiting fixing structure 6 includes a third spring 61 fixedly connected to the inner wall of the fifth sleeve 2412, a third locking protrusion 62 fixedly connected to the other end of the third spring 61, and an adjusting fixing mechanism 63 threadedly connected to the end of the fifth sleeve 2412. The adjusting fixing mechanism 63 is suitable for adjusting the lateral displacement of the support mechanism 3.

In an embodiment of the present invention, in order to further limit and fix the angle between the third sleeve 2313 and the fourth sleeve 2411, a support adjustment mechanism 7 is arranged between the third sleeve 2313 and the fourth sleeve 2411, wherein the support adjustment mechanism 7 is composed of a support frame 71, a third rotating shaft 72, a fourth rotating shaft 73 and a sliding locking frame 74, the third rotating shaft 72 is arranged on the fourth sleeve 2411, the fourth rotating shaft 73 is arranged on the third sleeve 2313, and the sliding locking frame 74 is arranged on the third sleeve 2313 and can slide and lock, and the two ends of the support frame 71 are respectively fixed on the third rotating shaft 72 and the fourth rotating shaft 73 through positioning holes, thereby supporting and fixing the position of the fourth sleeve 2411.

Specifically, as shown in Figure 2, the guide wheel group 25 includes a first guide wheel 251 arranged at the bottom of the seat 12, a second guide wheel 252 fixed between the two first sleeves 2311, a third guide wheel 253 passed through the first rotating shaft 261 and located between the second rotating shaft 263, and a fourth guide wheel 254 fixed between the two fifth sleeves 2412. The first guide wheel 251, the second guide wheel 252, the third guide wheel 253 and the fourth guide wheel 254 are wound with a traction rope 22.

In an embodiment of the present invention, a patient who needs cervical traction sits on the traction chair body 1 and is fixed with the traction bracket 32 and the traction belt 33 to prevent the patient from standing up with the force of the cervical traction mechanism 2 during the later stage of cervical traction. Then the patient places the lower jaw of the head on the traction belt 33, and the hand wheel 211 is rotated forward. The traction rope 22, under the action of the first guide wheel 251, the second guide wheel 252, the third guide wheel 253 and the fourth guide wheel 254, pulls the traction bracket 32 and the traction belt 33 upward along the direction of the transverse telescopic tube 241 to make them rise to a suitable height. When the patient feels that the force is appropriate, the hand wheel 211 is kept from rotating, and the traction effect facilitates the patient's recovery.

Specifically, in combination with Figures 2 and 7, the adjustment and fixing mechanism 63 includes a sleeve 631 inserted into the end of the fifth sleeve 2412 and a screw 632 inserted into the sleeve 631. The screw 632 is suitable for rotating to be threadedly connected in the fifth sleeve 2412, and is suitable for pushing the sleeve 631 to slide in the fifth sleeve 2412.

Although the disclosure is disclosed as above, the protection scope of the disclosure is not limited thereto. Those skilled in the art may make various changes and modifications without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the protection scope of the present invention.

Claims (7)

1. A cervical traction chair, comprising:

The traction chair comprises a traction chair body (1), wherein the traction chair body (1) comprises a backrest (11), a seat (12), a chair leg structure (13) and armrests (14), the backrest (11) is of a hollow structure with an opening (111) at the upper end, the armrests (14) are arranged on one side of the seat (12), one end of the other opposite side of the seat (12) is connected with the backrest (11), the chair leg structure (13) is supported at the bottom of the seat (12), and the chair leg structure (13) is of a liftable structure and is suitable for sliding movement of a user;

The chair leg structure (13) comprises a spring telescopic rod (131), chair legs (132) and universal rollers (133), wherein the top end of the spring telescopic rod (131) is arranged at the bottom of the chair seat (12), the bottom end of the spring telescopic rod (131) is welded with the chair legs (132), and one end of each chair leg (132) is provided with each universal roller (133);

The traction mechanism (2), the traction mechanism (2) is suitable for being contained in the hollow structure of the backrest (11), the traction mechanism (2) comprises a hand wheel rotating structure (21), a traction rope (22), a vertical telescopic structure (23), an angle adjusting structure (26), a transverse telescopic structure (24), a guide wheel set (25) and a lifting hook (27), the hand wheel rotating structure (21) is mounted on the side surface of the seat (12), one end of the vertical telescopic structure (23) is suitable for being inserted into the backrest (11) from the opening (111) and is connected with the seat (12), the other end of the vertical telescopic structure (23) is rotationally connected with the transverse telescopic structure (24) through the angle adjusting structure (26), the guide wheel set (25) is arranged at the ends of the vertical telescopic structure (23) and the transverse telescopic structure (24), one end of the traction rope (22) is fixed on the hand wheel rotating structure (21), the other end of the traction rope (22) bypasses the guide wheel set (25) and is connected with the lifting hook (27),

The vertical telescopic structure (23) comprises two symmetrically arranged vertical telescopic pipes (231), the transverse telescopic structure (24) comprises two symmetrically arranged transverse telescopic pipes (241), one ends of the two vertical telescopic pipes (231) are respectively connected with the chair leg structure (13), the other ends of the two vertical telescopic pipes (231) are respectively and correspondingly connected with the two transverse telescopic pipes (241) in a rotating mode, and the other ends of the two transverse telescopic pipes (241) are connected with the guide wheel set (25);

The angle adjusting structure (26) comprises a first rotary lifting device (262) symmetrically connected with the two vertical telescopic pipes (231), a second rotary lifting device (263) symmetrically connected with the two transverse telescopic pipes (241) and a first rotary shaft (261) penetrating through the first rotary lifting device (262) and the second rotary lifting device (263), the two first rotary lifting devices (262) and the two second rotary lifting devices (263) are symmetrically arranged relative to the first rotary shaft (261), and the first rotary lifting devices (262) are positioned on the outer sides of the second rotary lifting devices (263);

The supporting mechanism (3), the supporting mechanism (3) comprises a dynamometer (31) connected with the lifting hook (27), a traction support (32) connected with the dynamometer (31) in a hanging mode and traction belts (33) connected with two ends of the traction support (32), and the traction belts (33) are suitable for supporting cervical vertebrae of a human body and used for treating cervical spondylosis.

2. The cervical traction chair according to claim 1, wherein the vertical telescopic tube (231) comprises a first sleeve (2311), a second sleeve (2312) and a third sleeve (2313) which are sequentially connected in a nested manner, a first limiting and fixing structure (4) suitable for adjusting the relative nesting height is arranged between the first sleeve (2311) and the second sleeve (2312), and a second limiting and fixing structure (5) suitable for adjusting the relative nesting height is arranged between the second sleeve (2312) and the third sleeve (2313).

3. The cervical traction chair according to claim 1, characterized in that the hand wheel rotation structure (21) comprises a hand wheel (211) rotatably mounted on one side of the seat (12), a screw (212) fixedly connected with the hand wheel (211), and a slider (213) penetrating the screw (212), the slider (213) being adapted to slide on the screw (212) when the hand wheel (211) and the screw (212) are rotated.

4. The cervical traction chair according to claim 2, wherein the first limiting and fixing structure (4) comprises a first spring (41) fixedly connected with the inner wall of the second sleeve (2312) and a first clamping protrusion (42) fixedly connected with the other end of the first spring (41), the first clamping protrusion (42) is suitable for being clamped in a limiting hole corresponding to the first sleeve (2311) and the second sleeve (2312), the second limiting and fixing structure (5) comprises a second spring (51) fixedly connected with the inner wall of the third sleeve (2313) and a second clamping protrusion (52) fixedly connected with the other end of the second spring (51), and the second clamping protrusion (52) is suitable for being clamped in a limiting hole corresponding to the second sleeve (2312) and the third sleeve (2313).

5. The cervical traction chair according to claim 4, characterized in that the transverse telescopic tube (241) comprises a fourth sleeve (2411) and a fifth sleeve (2412) which are connected in a nested manner, a third limiting and fixing structure (6) which is suitable for adjusting the relative nesting depth is arranged between the fourth sleeve (2411) and the fifth sleeve (2412), the third limiting and fixing structure (6) comprises a third spring (61) fixedly connected with the inner wall of the fifth sleeve (2412), a third clamping protrusion (62) fixedly connected with the other end of the third spring (61) and an adjusting and fixing mechanism (63) in threaded connection with the end part of the fifth sleeve (2412), and the adjusting and fixing mechanism (63) is suitable for adjusting the transverse displacement of the supporting mechanism (3).

6. The cervical traction chair according to claim 5, characterized in that the guiding wheel set (25) comprises a first guiding wheel (251) arranged at the bottom of the chair seat (12), a second guiding wheel (252) fixed between two first sleeves (2311), a third guiding wheel (253) penetrating on the first revolving shaft (261) and positioned between the second revolving shafts (263) and a fourth guiding wheel (254) fixed between two fifth sleeves (2412), wherein the first guiding wheel (251), the second guiding wheel (252), the third guiding wheel (253) and the fourth guiding wheel (254) are wound with the traction rope (22).

7. The cervical traction chair according to claim 6, characterized in that the adjustment fixing mechanism (63) comprises a sleeve (631) inserted at the end of the fifth sleeve (2412) and a screw (632) threaded in the sleeve (631), the screw (632) being adapted to rotate to be screwed in the fifth sleeve (2412) and to push the sleeve (631) to slide in the fifth sleeve (2412).