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

Cervical vertebra 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

Along with the faster and faster life rhythm of modern cities, people sit in offices for a long time to face computers, so that more and more people suffer from cervical spondylosis, and the cervical traction chair is being used by more and more people as the most direct, convenient and effective mode for treating cervical spondylosis.

However, most of the existing cervical vertebra traction chairs are traction chairs which are fixed structures of hospitals, lack household traction chairs, and lack functional applications suitable for household use; the traction force cannot be regulated in the use process, so that the practicability of the existing traction chair is greatly reduced, the stability of the existing cervical traction chair is poor, the risk of toppling exists, and the safety of the existing cervical traction chair is greatly reduced; the cervical traction chair can provide upward traction force which can act on the head of the patient to enlarge the interval between vertebral bodies and the intervertebral foramen, thereby implementing cervical traction treatment on the patient, but the existing cervical traction chair is not suitable for cervical traction treatment of the patient with unilateral nerve root compression.

Disclosure of Invention

The invention aims to solve the problems that the cervical traction chair in the background art is not suitable for household use, the traction force cannot be adjusted, the stability is poor and the traction angle cannot be adjusted at will, thereby providing the cervical traction chair.

In order to solve the above problems, the present invention provides a cervical vertebra traction chair, comprising a traction chair body, wherein the traction chair body comprises a backrest, a seat, a leg structure and armrests, the backrest is a hollow structure with an opening at the upper end, one side of the seat is provided with the armrests, one end of the other side of the seat is connected with the backrest, the leg structure is supported at the bottom of the seat, and the leg structure is a liftable structure and is suitable for sliding movement of a user;

The traction mechanism is suitable for being contained in the hollow structure of the backrest and comprises a hand wheel rotating structure, a traction rope, a vertical telescopic structure, an angle adjusting structure, a transverse telescopic structure, a guide wheel set and a lifting hook, wherein the hand wheel rotating structure is arranged on the side surface of the seat, one end of the vertical telescopic structure is suitable for being inserted into the backrest from the opening and is connected with the seat, the other end of the vertical telescopic structure is rotationally connected with the transverse telescopic structure through the angle adjusting structure, the guide wheel set is arranged at the ends of the vertical telescopic structure and the transverse telescopic structure, one end of the traction rope is fixed on the hand wheel rotating structure, the other end of the traction rope bypasses the guide wheel set and is connected with the lifting hook,

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.

Optionally, the vertical telescopic structure includes two vertical flexible pipes that the symmetry set up, the horizontal telescopic structure includes two horizontal flexible pipes that the symmetry set up, two the one end of vertical flexible pipe respectively with chair leg structural connection, two the other end of vertical flexible pipe respectively with two the corresponding rotation of horizontal flexible pipe is connected, two the other end of horizontal flexible pipe with the direction wheelset is connected.

Optionally, the angle adjusting structure includes a first rotary handle symmetrically connected with the two vertical telescopic tubes, a second rotary handle symmetrically connected with the two horizontal telescopic tubes, and a first rotary shaft penetrating through the first rotary handle and the second rotary handle, wherein the two first rotary handles and the two second rotary handles are symmetrically arranged about the first rotary shaft, and the first rotary handles are located at the outer sides of the second rotary handles.

Optionally, the vertical flexible pipe includes first sleeve pipe, second sleeve pipe and the third sleeve pipe of nested connection in proper order, first sleeve pipe with be equipped with between the second sleeve pipe and be suitable for the first spacing fixed knot of the relative nested height of regulation, the second sleeve pipe with be equipped with between the third sleeve pipe and be suitable for the second spacing fixed knot of the relative nested height of regulation.

Optionally, the chair leg structure includes spring telescopic link, chair leg and universal gyro wheel, the top of spring telescopic link sets up the bottom of seat support, the bottom welding of spring telescopic link has the chair leg, chair leg one end is equipped with universal gyro wheel.

Optionally, the hand wheel rotating structure comprises a hand wheel rotatably installed on one side of the seat, a screw fixedly connected with the hand wheel and a sliding block penetrating through the screw, wherein the sliding block is suitable for sliding on the screw when the hand wheel and the screw rotate.

Optionally, the first limiting and fixing structure comprises a first spring fixedly connected with the inner wall of the second sleeve and a first clamping protrusion fixedly connected with the other end of the first spring, the first clamping protrusion is suitable for being clamped in a limiting hole corresponding to the first sleeve and the second sleeve, the second limiting and fixing structure comprises a second spring fixedly connected with the inner wall of the third sleeve and a second clamping protrusion fixedly connected with the other end of the second spring, and the second clamping protrusion is suitable for being clamped in a limiting hole corresponding to the second sleeve and the third sleeve.

Optionally, the transverse telescopic tube comprises a fourth sleeve and a fifth sleeve which are connected in a nested manner, a third limiting and fixing structure suitable for adjusting relative nesting depth is arranged between the fourth sleeve and the fifth sleeve, the third limiting and fixing structure comprises a third spring fixedly connected with the inner wall of the fifth sleeve, a third clamping protrusion fixedly connected with the other end of the third spring, and an adjusting and fixing mechanism in threaded connection with the end part of the fifth sleeve, and the adjusting and fixing mechanism is suitable for adjusting transverse displacement of the supporting mechanism.

Optionally, the guide wheel group includes locating the first leading wheel of seat support bottom, fix two second leading wheel between the first sleeve pipe, wear to establish on the first pivot and be located the third leading wheel between the second pivot is carried and fix two fourth leading wheel between the fifth sleeve pipe, first leading wheel the second leading wheel the third leading wheel with the fourth leading wheel is last to be wound the haulage rope.

Optionally, the adjusting and fixing mechanism comprises a sleeve inserted at the end part of the fifth sleeve and a screw rod penetrating in the sleeve, wherein the screw rod is suitable for rotating to be connected in the fifth sleeve in a threaded mode and is suitable for pushing the sleeve to slide in the fifth sleeve.

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

According to the invention, the backrest is designed into the hollow structure with the opening at the upper end, the hollow structure can be used for accommodating the traction mechanism, when the traction mechanism is not used, the traction mechanism is folded and retracted and stored in the backrest, so that the trouble that the traditional cervical vertebra traction chair needs to be disassembled and installed is avoided, the occupied household space is further reduced, and the use of families is facilitated;

The vertical telescopic structure and the horizontal telescopic structure can control the height of the vertical telescopic structure and the horizontal telescopic structure through telescopic operation so as to adapt to the requirements of different users, the angle adjusting structure can be used for adjusting the included angle between the vertical telescopic structure and the horizontal telescopic structure, so that the cervical traction chair can provide traction force with a certain upward angle range, the upward traction force can act on the head of a patient, and the traction angle can be adjusted, thereby being suitable for cervical traction treatment of patients with nerve roots pressed on different sides;

the traction force can be adjusted in the use process through the hand wheel rotating structure and the dynamometer, so that the practicability of the traction chair is greatly improved, and furthermore, the vertical telescopic structure and the transverse telescopic structure of the cervical vertebra traction chair are symmetrically provided with double telescopic sleeves, so that the stability is improved, the risk that the existing cervical vertebra traction chair is easy to topple is avoided, and the safety is greatly improved;

The bottom of the cervical vertebra traction chair is provided with the spring telescopic rod and the universal wheels, the chair does not need to be separated when the position needs to be changed, and the required purpose can be achieved by only rotating the idler wheels and adjusting the height.

Drawings

FIG. 1 is a schematic side view of a cervical traction chair according to an embodiment of the present invention;

FIG. 2 is a schematic rear view of a cervical traction chair according to an embodiment of the present invention;

FIG. 3 is a schematic top view of a cervical traction chair according to an embodiment of the present invention;

FIG. 4 is a schematic structural view showing a specific example of a sliding rail structure between a first swing arm and a second swing arm in the embodiment of the present invention;

FIG. 5 is a schematic diagram of a connection structure between a fourth sleeve and a fifth sleeve according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of a front view of a traction mechanism according to an embodiment of the present invention;

FIG. 7 is a schematic view of a connection structure between a fifth sleeve and a sleeve according to an embodiment of the present invention;

FIG. 8 is a schematic view of a first limiting and fixing structure between a first sleeve and a second sleeve according to an embodiment of the present invention;

FIG. 9 is a schematic view of a second limiting and fixing structure between a second sleeve and a third sleeve according to an embodiment of the present invention;

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

FIG. 11 is a schematic structural view of a fourth guiding wheel according to an embodiment of the present invention;

FIG. 12 is a schematic view of an angle adjusting structure according to an embodiment of the present invention;

Fig. 13 is a schematic structural view showing a specific example of the cervical traction chair in the embodiment of the present invention.

Reference numerals illustrate:

1-traction chair body; 11-a backrest; 111-opening; 12-a seat; 13-chair leg structure; 131-a spring telescoping rod; 132-chair legs; 133-universal roller; 14-armrests; 2-traction mechanism; 21-a hand wheel rotating structure; 211-a hand wheel; 212-a lead screw; 213-sliders; 22-hauling ropes; 23-a vertical telescopic structure; 231-vertical telescopic tube; 2311-a first sleeve; 2312-a second sleeve; 2313-a third sleeve; 24-a transverse telescopic structure; 241-transverse telescopic tube; 2411-fourth sleeve; 2412-a fifth sleeve; 25-guiding wheel sets; 251-a first guide wheel; 252-second guide wheels; 253—a third guide wheel; 254-fourth guide wheel; 2541-a bracket seat; 2542-sleeve; 2543—first screw; 2544-a second swivel axis; 26-an angle adjustment structure; 261-a first swivel axis; 262-first rotary lifting; 263-second rotary lifting; 264-second screw; 27-lifting hook; 3-a supporting mechanism; 31-a load cell; 32-traction support; 33-traction belt; 4-a first limiting and fixing structure; 41-a first spring; 42-first clamping protrusions; 43-first positioning pins; 5-a second limiting and fixing structure; 51-a second spring; 52-second clamping protrusions; 53-a second locating pin; 6-a third limiting and fixing structure; 61-a third spring; 62-third clamping protrusions; 63-adjusting the fixing mechanism; 631-a sleeve; 632-screw; 7-supporting an adjusting mechanism; 71-a supporting frame; 72-a third rotary shaft; 73-a fourth pivot; 74-sliding locking frame; 8-a sliding guide rail structure; 81-a guide rail groove; 82-sliding column.

Detailed Description

The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it is noted that the terms "first," "second," "sixth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the coordinate system X, Y, Z provided herein, the positive direction of the X axis represents the left direction, the negative direction of the X axis represents the right direction, the positive direction of the Y axis represents the front direction, the negative direction of the Y axis represents the rear direction, the positive direction of the Z axis represents the upper direction, and the negative direction of the Z axis represents the lower direction.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, or can be communicated inside the two components, or can be connected wirelessly or in a wired way. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 13, an embodiment of the present invention provides a cervical vertebra traction chair, including a traction chair body 1, wherein the traction chair body 1 includes a backrest 11, a seat 12, a leg structure 13 and armrests 14, the backrest 11 is a hollow structure having an opening 111 at an upper end, one side of the seat 12 is provided with the armrests 14, one end of the other side of the seat 12 is connected with the backrest 11, the leg structure 13 is supported at a bottom of the seat 12, and the leg structure 13 is a liftable structure and is suitable for sliding movement of a user;

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 horizontal telescopic structure 24, a guide wheel set 25 and a lifting hook 27, the hand wheel rotating structure 21 is arranged on the side face of the seat 12, one end of the vertical telescopic structure 23 is suitable for being inserted into the backrest 11 from an opening 111 and is connected with the seat 12, the other end of the vertical telescopic structure 23 is rotationally connected with the horizontal 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 horizontal telescopic structure 24, one end of the traction rope 22 is fixed on the hand wheel rotating structure 21, and the other end of the traction rope 22 bypasses the guide wheel set 25 to be connected with the lifting hook 27;

the supporting mechanism 3, the supporting mechanism 3 comprises a dynamometer 31 connected with the lifting hook 27, a traction bracket 32 hung on the dynamometer 31 and traction belts 33 connected with two ends of the traction bracket 32, and the traction belts 33 are suitable for supporting cervical vertebrae of a human body and are used for treating cervical spondylosis.

In the embodiment of the invention, as shown in fig. 1 and 13, the backrest 11 is a cavity with a hollow structure, the top of the cavity is provided with an opening 111, the backrest 11 is a square-like shell component, and the outer side of the backrest 11 is sleeved with a flexible back cushion, and the backrest can bring a comfortable backrest feel to a person according to an ergonomic design; the chair seat 12 is of a square structure, and a flexible cushion is arranged on the chair seat; the leg structure 13 can be free-running for the user.

As shown in fig. 1, the traction mechanism 2 is used for providing power and supporting the supporting mechanism 3, the vertical telescopic structure 23 and the horizontal telescopic structure 24 can control the height thereof through telescopic operation so as to adapt to the requirements of different users, the angle adjusting structure 26 can be used for adjusting the included angle between the vertical telescopic structure 23 and the horizontal telescopic structure 24, thus the cervical vertebra traction chair can provide traction force with a certain upward angle range, the upward traction force can act on the cervical vertebra of a patient, and the traction angle can be adjusted so as to be suitable for cervical vertebra traction treatment of patients with different side nerve root compression.

The supporting mechanism 3 (not all shown in the figure) is used for being sleeved on the head of a human body, the hand wheel rotating structure 21 is rotated, the traction rope 22 bypasses the guide wheel set 25 and the lifting hook 27, the top end of the traction rope 22 pulls the dynamometer 31 and the traction belt 33, traction is achieved, and the traction force can be adjusted according to the requirement.

According to the embodiment of the invention, the backrest 11 is designed into the hollow structure with the opening 111 at the upper end, the hollow structure can be used for accommodating the traction mechanism 2, when the cervical vertebra traction chair is not used, the traction mechanism 2 is folded and retracted and stored in the hollow structure of the backrest 11, so that the problems that the traditional cervical vertebra traction chair needs to be detached and installed fussy are avoided, the occupied space of a household is further reduced, and the cervical vertebra traction chair is convenient for the household to use; the vertical telescopic structure 23 and the horizontal telescopic structure 24 can control the height thereof through telescopic operation so as to adapt to the requirements of different users, the angle adjusting structure 26 can be used for adjusting the included angle between the vertical telescopic structure 23 and the horizontal telescopic structure 24, thus the cervical traction chair can provide traction force with a certain upward angle range, the upward traction force can act on the head of a patient, and the traction angle can be adjusted so as to be suitable for cervical traction treatment of patients with nerve roots pressed on different sides; the traction force can be adjusted in the use process through the hand wheel rotating structure 21 and the dynamometer 31, so that the practicability of the traction chair is greatly enhanced, and furthermore, the vertical telescopic structure 23 and the transverse telescopic structure 24 of the cervical vertebra traction chair are symmetrically provided with double telescopic tubes, so that the stability is enhanced, the risk that the existing cervical vertebra traction chair is easy to topple is avoided, and the safety is greatly increased; the chair leg structure 13 is a liftable structure and is suitable for sliding movement of a user, the user can not leave the chair when the position needs to be changed, and the user can achieve the required purpose by only rotating the rollers and adjusting the height.

Specifically, as shown in connection with fig. 1,2 and 3, the vertical telescopic structure 23 includes two symmetrically arranged vertical telescopic tubes 231, the transverse telescopic structure 24 includes two symmetrically arranged transverse telescopic tubes 241, one ends of the two vertical telescopic tubes 231 are respectively fixedly connected with 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 respectively correspondingly and rotatably connected with the two transverse telescopic tubes 241, and the other ends of the two transverse telescopic tubes 241 are connected with the guide wheel set 25. By such arrangement, the lifting height can be adjusted by the vertical telescopic structure 23, and the longitudinal direction can be telescopic by the horizontal telescopic structure 24, so that the traction belt 33 can be pulled and stretched at a certain angle with the cervical vertebra of the user.

Specifically, as shown in fig. 1,2, 3,4, and 12, the angle adjusting structure 26 includes a first rotating lifter 262 symmetrically connected to the two vertical telescopic pipes 231, a second rotating lifter 263 symmetrically connected to the two horizontal telescopic pipes 241, and a first rotating shaft 261 passing through the first rotating lifter 262 and the second rotating lifter 263, wherein the two first rotating lifter 262 and the two second rotating lifter 263 are symmetrically disposed about the first rotating shaft 261, and the first rotating lifter 262 is located outside the second rotating lifter 263. In the embodiment of the invention, the first rotary lifter 262 and the second rotary lifter 263 can be mutually rotatably arranged, so that the traction angle can be conveniently adjusted.

In the embodiment of the present invention, the end surface of the first rotary lifter 262 close to the second rotary lifter 263 is provided with a guide rail groove 81, the corresponding end surface position of the second rotary lifter 263 is provided with a sliding column 82, the sliding column 82 is suitable for sliding in the guide rail groove 81, so that the first rotary lifter 262 and the second rotary lifter 263 can rotate mutually, the top end of the third sleeve 2313 is welded on the cylindrical surface of the first rotary lifter 262, the top end of the fourth sleeve 2411 is welded on the cylindrical surface of the second rotary lifter 263, and therefore the angle between the vertical telescopic pipe 231 and the transverse telescopic pipe 241 can be adjusted.

Specifically, as shown in fig. 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 connected in a nested manner, a first limiting and fixing structure 4 adapted to adjust the relative nesting height is disposed between the first sleeve 2311 and the second sleeve 2312, and a second limiting and fixing structure 5 adapted to adjust the relative nesting height is disposed between the second sleeve 2312 and the third sleeve 2313. The first limiting and fixing structure 4 is used for adjusting the nesting height between the first sleeve 2311 and the second sleeve 2312, and the second limiting and fixing structure 5 is used for adjusting the nesting height between the second sleeve 2312 and the third sleeve 2313, so that users with different heights can use the novel telescopic bicycle conveniently.

Specifically, referring to fig. 1 and 2, the leg structure 13 includes a spring extension rod 131, a leg 132, and a universal roller 133, wherein the top end of the spring extension rod 131 is disposed at the bottom of the seat 12, the leg 132 is welded to the bottom end of the spring extension rod 131, and the universal roller 133 is disposed at one end of the leg 132.

In the embodiment of the invention, the bottom of the cervical traction chair is provided with the spring telescopic rod 131 and the universal roller 133, so that the user can not leave the chair when the position needs to be changed, and the user only needs to rotate the roller to adjust the height so as to achieve the required purpose.

Specifically, as shown in fig. 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 screw 212 fixedly connected to the hand wheel 211, and a slider 213 penetrating the screw 212, wherein the slider 213 is adapted to slide on the screw 212 when the hand wheel 211 and the screw 212 rotate. Thus, when traction force needs to be adjusted, the hand wheel 211 is rotated, so that the screw rod 212 is driven to rotate, and the sliding block 213 in threaded connection with the screw rod 212 is driven by the screw rod 212 to move in the limiting groove due to the fact that the other end of the sliding block 213 is located in the limiting groove at the bottom of the seat 12, and the traction rope 22 fixedly connected with the sliding block 213 is pulled to move.

Specifically, as shown in connection with fig. 1, the first limiting and fixing structure 4 includes a first spring 41 fixedly connected to the inner wall of the second sleeve 2312 and a first clamping protrusion 42 fixedly connected to the other end of the first spring 41, the first clamping protrusion 42 is adapted to be clamped in a limiting hole corresponding to the first sleeve 2311 and the second sleeve 2312, the second limiting and fixing structure 5 includes a second spring 51 fixedly connected to the inner wall of the third sleeve 2313 and a second clamping protrusion 52 fixedly connected to the other end of the second spring 51, and the second clamping protrusion 52 is adapted to be clamped in a limiting hole 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 adjustment of the nesting height between the first sleeve 2311 and the second sleeve 2312, a first spring 41 is fixedly arranged on the inner wall of the second sleeve 2312, a first clamping protrusion 42 is fixed on the other end of the first spring 41, the first clamping protrusion 42 is adapted to slide in a through hole corresponding to the first sleeve 2311 and the second sleeve 2312, and the head of the first clamping protrusion 42 is conical, so that when the first sleeve 2311 and the second sleeve 2312 are displaced in a dislocation manner, the first sleeve 2311 on the outer side can squeeze the first clamping protrusion 42 to retract inwards, thereby realizing the retraction movement between the first sleeve 2311 and the second sleeve 2312; when fixing is required, the through holes between the first sleeve 2311 and the second sleeve 2312 are aligned, the first clamping protrusions 42 can coarsely position the first sleeve 2311 and the second sleeve 2312 under the action of the first spring 41, and in order to further ensure sufficient strength between the first sleeve 2311 and the second sleeve 2312, preferably, through holes which are mutually communicated are further arranged between the first sleeve 2311 and the second sleeve 2312, and the first positioning pins 43 are inserted for further fixing. In the same manner, as shown in fig. 1 and 9, in order to adjust the nesting height between the second sleeve 2312 and the third sleeve 2313, a second spring 51 is fixedly arranged on the inner wall of the third sleeve 2313, a second clamping protrusion 52 is fixed on the other end of the second spring 51, the second clamping protrusion 52 is suitable for sliding in a corresponding through hole between the second sleeve 2312 and the third sleeve 2313, the head of the second clamping protrusion 52 is conical, and when the second sleeve 2312 and the third sleeve 2313 are displaced in a dislocation manner, the second sleeve 2312 on the outer side can squeeze the second clamping protrusion 52 to stretch inwards, so that the stretching movement between the second sleeve 2312 and the third sleeve 2313 can be realized.

Specifically, as shown in connection with fig. 2 and 5, the transverse telescopic tube 241 includes a fourth sleeve 2411 and a fifth sleeve 2412 which are connected in a nested manner, a third limiting and fixing structure 6 adapted to adjust the relative nesting depth is disposed between the fourth sleeve 2411 and the fifth sleeve 2412, the third limiting and fixing structure 6 includes a third spring 61 fixedly connected to an inner wall of the fifth sleeve 2412, a third clamping protrusion 62 fixedly connected to the other end of the third spring 61, and an adjusting and fixing mechanism 63 in threaded connection with an end portion of the fifth sleeve 2412, and the adjusting and fixing mechanism 63 is adapted to adjust the transverse displacement of the supporting mechanism 3.

In the 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 provided 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 rotation shaft 72, a fourth rotation shaft 73 and a slide locking frame 74, the third rotation shaft 72 is provided on the fourth sleeve 2411, the fourth rotation shaft 73 is provided on the third sleeve 2313, and the slide locking frame 74 is provided on the third sleeve 2313 and is capable of sliding and locking, both ends of the support frame 71 are respectively fixed on the third rotation shaft 72 and the fourth rotation shaft 73 through positioning holes, thereby supporting and fixing the position of the fourth sleeve 2411.

Specifically, as shown in fig. 2, the guiding wheel set 25 includes a first guiding wheel 251 disposed at the bottom of the seat 12, a second guiding wheel 252 fixed between two first sleeves 2311, a third guiding wheel 253 passing through the first rotating shaft 261 and located between the second rotating shafts 263, and a fourth guiding wheel 254 fixed between two fifth sleeves 2412, and the traction ropes 22 are wound on the first guiding wheel 251, the second guiding wheel 252, the third guiding wheel 253, and the fourth guiding wheel 254.

In the embodiment of the invention, a patient needing to carry out cervical vertebra traction sits on the traction chair body 1, the patient is fixed by the traction support 32 and the traction belt 33, the patient is prevented from standing up along with the force of the cervical vertebra traction mechanism 2 when the patient carries out cervical vertebra traction in the later stage, then the patient places the head mandible position on the traction belt 33, the traction rope 22 drives the traction support 32 and the traction belt 33 upwards along the direction of the transverse telescopic tube 241 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 by using the hand wheel 211 to rotate forwards, so that the patient can be conveniently recovered by the traction effect while the patient feels proper in force.

Specifically, as shown in connection with fig. 2 and 7, the adjustment securing mechanism 63 includes a sleeve 631 that is inserted into an end of the fifth sleeve 2412 and a screw 632 that is threaded into the sleeve 631, the screw 632 being adapted to rotate to be threadedly coupled within the fifth sleeve 2412 and to urge the sleeve 631 to slide within the fifth sleeve 2412.

Although the present disclosure is described above, the scope of protection of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the 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).