CN112545731A - 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 connected with the chair 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 articulated with the dynamometer and a traction belt connected with two ends of the traction support, and the traction belt is 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 a traction mechanism and is convenient for family use; through the regulation of the traction mechanism, the stability and the safety can be improved.

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

With the faster and faster pace of modern cities, people can suffer from cervical spondylosis by sitting in offices for a long time and facing computers, and the cervical traction chair is used by more people as the most direct, convenient and effective mode for treating the cervical spondylosis.

However, most of the existing cervical traction chairs are traction chairs serving as fixed structures in hospitals, and are lack of household traction chairs and household functions; the traction force cannot be adjusted in the using process, so that the practicability of the existing traction chair is greatly reduced, and moreover, the existing cervical vertebra traction chair is poor in stability and has a risk of toppling, so that the safety of the existing cervical vertebra traction chair is greatly reduced; the cervical traction chair can provide upward traction force which can act on the head of a patient to increase the intervertebral space and intervertebral foramen so as to implement cervical traction treatment on the patient, but the existing cervical traction chair is not suitable for the cervical traction treatment of the patient with the unilateral nerve root pressed.

Disclosure of Invention

The invention aims to solve the problems that the cervical vertebra traction chair in the background technology 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 vertebra traction chair.

In order to solve the problems, the invention provides a cervical 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, the backrest is of a hollow structure with an opening at the upper end, the armrests are arranged on one pair of sides of the chair seat, one end of the other pair of sides of the chair seat is connected with the backrest, the chair leg structure is supported at the bottom of the chair seat, and the chair leg structure is of a lifting structure and is suitable for a user to slide and move;

the traction mechanism is suitable for being accommodated in the hollow structure of the backrest, the traction mechanism 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, the hand wheel rotating structure is installed on the side face of the chair seat, one end of the vertical telescopic structure is suitable for being inserted into the backrest from the opening and connected with the chair seat, the other end of the vertical telescopic structure is rotatably connected with the transverse telescopic structure through the angle adjusting structure, the guide wheel set is arranged at the end parts 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 articulated with the dynamometer and a traction belt connected with two ends of the traction support, and the traction belt is suitable for supporting cervical vertebrae of a human body and used for treating cervical spondylosis.

Optionally, the vertical telescopic structure comprises two vertical telescopic pipes symmetrically arranged, the horizontal telescopic structure comprises two horizontal telescopic pipes symmetrically arranged, one end of each vertical telescopic pipe is connected with the chair leg structure, the other end of each vertical telescopic pipe is connected with the corresponding horizontal telescopic pipe in a rotating manner, and the other end of each horizontal telescopic pipe is connected with the corresponding guide wheel set.

Optionally, the angle adjusting structure includes a first rotary handle respectively connected with the two vertical telescopic tubes symmetrically, a second rotary handle respectively connected with the two horizontal telescopic tubes symmetrically, and a first rotary shaft passing through the first rotary handle and the second rotary handle, the first rotary handle and the second rotary handle are symmetrically arranged about a first rotary shaft, and the first rotary handle is located at the outer side of the second rotary handle.

Optionally, the vertical telescopic tube comprises a first sleeve, a second sleeve and a third sleeve which are sequentially connected in a nested manner, a first limiting fixing structure suitable for adjusting the relative nesting height is arranged between the first sleeve and the second sleeve, and a second limiting fixing structure suitable for adjusting the relative nesting height is arranged between the second sleeve and the third sleeve.

Optionally, the chair leg structure includes spring telescopic link, chair leg and universal gyro wheel, the top setting of spring telescopic link is in 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 includes that the rotation is installed the hand wheel of seat support one side, with hand wheel fixed connection's lead screw and wear to establish slider on the lead screw, the slider is suitable for the hand wheel with when the lead screw rotates slide on the lead screw.

Optionally, first spacing fixed knot construct include with second sheathed tube inner wall fixed connection's first spring and with the other end fixed connection's of first spring first screens is protruding, first screens is protruding to be suitable for the joint to be in first sleeve pipe with the corresponding spacing downthehole of second sleeve pipe, the spacing fixed knot of second construct include with third sheathed tube inner wall fixed connection's second spring and with the other end fixed connection's of second spring second screens is protruding, the protruding joint that is suitable for of second screens is in the second sleeve pipe with the corresponding spacing downthehole of third sleeve pipe.

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

Optionally, the guide wheel group includes locate 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 second is turned round the third leading wheel between carrying and is fixed two the fourth leading wheel between the fifth sleeve pipe, around having on the first leading wheel, the second leading wheel, the third leading wheel and the fourth leading wheel the haulage rope.

Optionally, the adjusting and fixing mechanism includes a sleeve inserted into an end of the fifth sleeve and a screw rod inserted into the sleeve, and the screw rod is adapted to rotate to be screwed into the fifth sleeve and to push the sleeve to slide in the fifth sleeve.

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

according to the invention, the backrest is designed into a hollow structure with an opening at the upper end, the hollow structure can be used for accommodating the traction mechanism, when the chair is not used, the traction mechanism is folded and is stored in the backrest in a telescopic manner, so that the problem that the traditional cervical vertebra traction chair needs to be disassembled and assembled, which is very troublesome, and meanwhile, the occupied family space is further reduced, and the chair is convenient for family use;

the height of the vertical telescopic structure and the height of the horizontal telescopic structure can be controlled by telescoping to meet the requirements of different users, and 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 vertebra traction chair can provide traction force in a certain upward angle range, the upward traction force can act on the head of a patient and can adjust the traction angle, and the cervical vertebra traction chair is suitable for cervical vertebra traction treatment of patients with nerve roots on different sides pressed;

the traction force can be adjusted in the using process through the hand wheel rotating structure and the dynamometer, so that the practicability of the traction chair is greatly enhanced, moreover, the vertical telescopic structure and the transverse telescopic structure of the cervical vertebra traction chair both adopt symmetrically arranged double telescopic pipes, 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 bottom of the cervical vertebra traction chair is provided with a spring telescopic rod and universal wheels, so that the chair does not need to be separated when the position is required to be switched, and the required purpose can be realized only by rotating the idler wheels and adjusting the height.

Drawings

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

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

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

fig. 4 is a schematic structural diagram of a specific example of a sliding guide rail structure between a first rotating lift and a second rotating lift in the embodiment of the present invention;

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

FIG. 6 is a schematic 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 casing and a sleeve according to an embodiment of the present invention;

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

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

FIG. 10 is a schematic view of a hand wheel rotation configuration in an embodiment of the present invention;

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

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

fig. 13 is a schematic structural view showing a specific example of a cervical traction chair according to an embodiment of the present invention.

Description of reference numerals:

1-a traction chair body; 11-a backrest; 111-opening; 12-a seat; 13-chair leg structure; 131-spring telescopic rod; 132-chair legs; 133-universal rollers; 14-a handrail; 2-a traction mechanism; 21-a hand wheel rotating structure; 211-hand wheel; 212-a lead screw; 213-a slide block; 22-a hauling rope; 23-a vertical telescopic structure; 231-a vertical telescopic tube; 2311-a first cannula; 2312-a second cannula; 2313-a third sleeve; 24-a lateral telescoping structure; 241-transverse telescopic tube; 2411-a fourth casing; 2412-a fifth casing; 25-a guide wheel set; 251-a first guide wheel; 252-a second guide wheel; 253-a third guide wheel; 254-a fourth guide wheel; 2541-a support base; 2542-shaft sleeve; 2543-first screw; 2544-second axis of rotation; 26-an angle adjustment structure; 261-a first rotating shaft; 262-first rotary lifting; 263-second rotary extraction; 264-a second screw; 27-a hook; 3-a support mechanism; 31-a force gauge; 32-a traction support; 33-a traction belt; 4-a first limiting and fixing structure; 41-a first spring; 42-a first detent projection; 43-a first locator pin; 5-a second limiting and fixing structure; 51-a second spring; 52-second blocking projection; 53-a second locating pin; 6-a third limiting and fixing structure; 61-a third spring; 62-a third bayonet bump; 63-adjusting the fixing mechanism; 631-a sleeve; 632-screw; 7-a support adjustment mechanism; 71-a support frame; 72-third rotating shaft; 73-a fourth rotating shaft; 74-sliding locking frame; 8-a sliding guide rail structure; 81-guide rail groove; 82-sliding post.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

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

It should be noted that in the coordinate system X, Y, Z provided herein, the X-axis represents the left direction in the forward direction, the X-axis represents the right direction in the backward direction, the Y-axis represents the front direction, the Y-axis represents the back direction in the backward direction, the Z-axis represents the upper direction in the forward direction, and the Z-axis represents the lower direction in the backward direction.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 13, an embodiment of the present invention provides a cervical 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 with an opening 111 at the upper end, one pair of sides of the seat 12 are provided with the armrests 14, one end of the other pair of sides of the seat 12 is connected with the backrest 11, the leg structure 13 is supported at the bottom of the seat 12, and the leg structure 13 is a lifting structure and is suitable for a user to slide and move;

the traction mechanism 2 is suitable for being accommodated 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 installed 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 connected with the seat 12, the other end of the vertical telescopic structure is rotatably connected with the transverse telescopic structure 24 through the angle adjusting structure 26, the guide wheel set 25 is arranged at the end parts 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, and the other end of the traction rope 22 bypasses the guide wheel set 25 and is connected with the;

the supporting mechanism 3, the supporting mechanism 3 includes a dynamometer 31 connected with the hook 27, a traction bracket 32 hung with the dynamometer 31 and a traction belt 33 connected with two ends of the traction bracket 32, the traction belt 33 is suitable for supporting the cervical vertebra of the human body for treating cervical spondylosis.

In the embodiment of the invention, as shown in fig. 1 and 13, the backrest 11 is a hollow cavity, the top of the cavity is provided with an opening 111, the backrest 11 is a square-like shell component, the outer side of the backrest 11 is sleeved with a flexible back cushion, and the backrest can give a comfortable backrest feeling to people according to the human engineering design; the seat 12 is a square structure, and a flexible cushion is arranged on the seat; the leg structure 13 can facilitate the user to slide freely.

Combine shown in fig. 1, drive mechanism 2 is used for providing power and support to supporting mechanism 3, its height of vertical extending structure 23 and the flexible control of horizontal extending structure 24 accessible, in order to adapt to different users 'demand, angle modulation structure 26 can be used to adjust the contained angle between vertical extending structure 23 and the horizontal extending structure 24, the cervical vertebra pulls the chair like this and can provides the traction force that makes progress certain angle range, this traction force that makes progress can act on patient's cervical vertebra portion, can pull the regulation of angle, thereby be applicable to the cervical vertebra traction treatment of different side nerve root pressurized patients.

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

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 chair is not used, the traction mechanism 2 is folded and folded, and is stored in the hollow structure of the backrest 11 in a telescopic manner, so that the problem that the traditional cervical vertebra traction chair needs to be detached, installed and complex in installation is avoided, meanwhile, the space occupying a family is further reduced, and the chair is convenient for family use; the height of the vertical telescopic structure 23 and the height of the horizontal telescopic structure 24 can be controlled by stretching, so that the requirements of different users can be met, 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, so that the cervical vertebra traction chair can provide traction force in a certain upward angle range, the upward traction force can act on the head of a patient, the traction angle can be adjusted, and the cervical vertebra traction chair is suitable for cervical vertebra traction treatment of patients with nerve roots pressed on different sides; the traction force can be adjusted in the using process through the hand wheel rotating structure 21 and the dynamometer 31, so that the practicability of the traction chair is greatly enhanced, moreover, the vertical telescopic structure 23 and the transverse telescopic structure 24 of the cervical vertebra traction chair both adopt symmetrically arranged double telescopic pipes, 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 lifting structure and is suitable for a user to slide and move, and when the position needs to be switched, the user does not need to leave the chair, and only needs to rotate the idler wheels to adjust the height, so that the required purpose can be achieved.

Specifically, as shown in fig. 1, 2, and 3, the vertical telescopic structure 23 includes two vertical telescopic tubes 231 symmetrically disposed, the horizontal telescopic structure 24 includes two horizontal telescopic tubes 241 symmetrically disposed, one end of each of the two vertical telescopic tubes 231 is fixedly connected to the chair leg structure 13, respectively, to provide support and fix the vertical telescopic structure 23, the other end of each of the two vertical telescopic tubes 231 is rotatably connected to the two horizontal telescopic tubes 241, and the other end of each of the two horizontal telescopic tubes 241 is connected to the guide wheel set 25. Such setting can adjust the height of going up and down through vertical extending structure 23, can carry out the fore-and-aft direction through horizontal extending structure 24 and stretch out and draw to it is tensile to make traction belt 33 can be certain angle with user's cervical vertebra.

Specifically, as shown in fig. 1, 2, 3, 4, and 12, the angle adjusting structure 26 includes a first rotating handle 262 symmetrically connected to the two vertical extension tubes 231, a second rotating handle 263 symmetrically connected to the two horizontal extension tubes 241, and a first rotating shaft 261 passing through the first rotating handle 262 and the second rotating handle 263, wherein the two first rotating handles 262 and the two second rotating handles 263 are symmetrically disposed about the first rotating shaft 261, and the first rotating handle 262 is located outside the second rotating handle 263. In the embodiment of the present invention, the first rotating arm 262 and the second rotating arm 263 can be rotatably disposed with each other, so that the traction angle can be conveniently adjusted.

In the embodiment of the present invention, a guide rail groove 81 is disposed on an end surface of the first rotary lift 262 close to the second rotary lift 263, a sliding column 82 is disposed at a position of the end surface corresponding to the second rotary lift 263, the sliding column 82 is adapted to slide in the guide rail groove 81, so that the first rotary lift 262 and the second rotary lift 263 can rotate with each other, a top end of the third sleeve 2313 is welded on a cylindrical surface of the first rotary lift 262, and a top end of the fourth sleeve 2411 is welded on a cylindrical surface of the second rotary lift 263, so as to adjust an angle between the vertical extension tube 231 and the horizontal extension tube 241.

Specifically, as shown in fig. 1 and 2, the vertical extension tube 231 includes a first sleeve 2311, a second sleeve 2312 and a third sleeve 2313 which are connected in a nested manner in sequence, a first limit 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 limit fixing structure 5 suitable for adjusting the relative nesting height is arranged between the second sleeve 2312 and the third sleeve 2313. The first limiting fixing structure 4 is used for adjusting the nesting height between the first sleeve 2311 and the second sleeve 2312, and the second limiting 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 conveniently.

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

In the embodiment of the invention, the bottom of the cervical traction chair is provided with the spring telescopic rod 131 and the universal idler wheel 133, so that the required purpose can be realized by only rotating the idler wheel and adjusting the height without leaving the chair when the position needs to be switched.

Specifically, as shown in fig. 1, 2, 3, and 10, the handwheel rotating structure 21 includes a handwheel 211 rotatably mounted on one side of the seat 12, a lead screw 212 fixedly connected to the handwheel 211, and a sliding block 213 disposed on the lead screw 212, wherein the sliding block 213 is adapted to slide on the lead screw 212 when the handwheel 211 and the lead screw 212 rotate. Like this, when needs adjust traction force, rotate hand wheel 211 to drive lead screw 212 and rotate, under the drive of lead screw 212, slider 213 with lead screw 212 threaded connection because the other end is located the spacing inslot of seat support 12 bottom, thereby makes slider 213 remove in the spacing inslot, the pulling with slider 213 fixed connection's haulage rope 22 removes.

Specifically, as shown in fig. 1, the first position-limiting fixing structure 4 includes a first spring 41 fixedly connected to an inner wall of the second sleeve 2312 and a first position-limiting protrusion 42 fixedly connected to the other end of the first spring 41, the first position-limiting protrusion 42 is adapted to be clamped in a position-limiting hole corresponding to the first sleeve 2311 and the second sleeve 2312, the second position-limiting fixing structure 5 includes a second spring 51 fixedly connected to an inner wall of the third sleeve 2313 and a second position-limiting protrusion 52 fixedly connected to the other end of the second spring 51, and the second position-limiting protrusion 52 is adapted to be clamped in a position-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 adjust the nesting height between the first bushing 2311 and the second bushing 2312, a first spring 41 is fixedly disposed on the inner wall of the second bushing 2312, the other end of the first spring 41 is fixedly provided with a first blocking protrusion 42, the first blocking protrusion 42 is adapted to slide in a corresponding through hole of the first bushing 2311 and the second bushing 2312, the head of the first blocking protrusion 42 is conical, when a displacement occurs between the first bushing 2311 and the second bushing 2312, the first bushing 2311 on the outer side can press the first blocking protrusion 42 to extend and retract inwards, so that the extension and retraction movement between the first bushing 2311 and the second bushing 2312 can be achieved; when the fixing is needed, the through holes between the first bushing 2311 and the second bushing 2312 are aligned, and the first locking protrusion 42 can roughly position the first bushing 2311 and the second bushing 2312 under the action of the first spring 41, so as to further ensure the sufficient strength between the first bushing 2311 and the second bushing 2312, preferably, through holes which are mutually communicated are further arranged between the first bushing 2311 and the second bushing 2312, and the first locking pin 43 is inserted for further fixing. Similarly, 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 arranged transversely is fixedly arranged on the inner wall of the third sleeve 2313, a second detent protrusion 52 is fixed at the other end of the second spring 51, the second detent protrusion 52 is adapted to slide in a corresponding through hole between the second sleeve 2312 and the third sleeve 2313, the head of the second detent protrusion 52 is also conical, so that when a misalignment displacement occurs between the second sleeve 2312 and the third sleeve 2313, the second sleeve 2312 at the outer side can press the second detent protrusion 52 to telescope inwards, and thus, the telescoping movement between the second sleeve 2312 and the third sleeve 2313 can be realized.

Specifically, as shown in fig. 2 and 5, the transverse extension tube 241 includes a fourth sleeve 2411 and a fifth sleeve 2412 which are connected in a nesting manner, a third limit fixing structure 6 suitable for adjusting the relative nesting depth is disposed between the fourth sleeve 2411 and the fifth sleeve 2412, the third limit fixing structure 6 includes a third spring 61 fixedly connected with the inner wall of the fifth sleeve 2412, a third positioning projection 62 fixedly connected with the other end of the third spring 61, and an adjusting fixing mechanism 63 in threaded connection with the end of the fifth sleeve 2412, and the adjusting fixing mechanism 63 is suitable for adjusting the transverse displacement of the support mechanism 3.

In the embodiment of the present invention, in order to further limit and fix the angle between the third casing 2313 and the fourth casing 2411, a supporting and adjusting mechanism 7 is disposed between the third casing 2313 and the fourth casing 2411, wherein the supporting and adjusting mechanism 7 is composed of a supporting frame 71, a third rotating shaft 72, a fourth rotating shaft 73 and a sliding and locking frame 74, the third rotating shaft 72 is disposed on the fourth casing 2411, the fourth rotating shaft 73 is disposed on the third casing 2313, the sliding and locking frame 74 is disposed on the third casing 2313 and can slide and lock, and two ends of the supporting 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 casing 2411.

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

In the embodiment of the invention, a patient needing cervical vertebra traction sits on the traction chair body 1, and is fixed by the traction bracket 32 and the traction belt 33, so that the patient is prevented from standing up along with the force of the cervical vertebra traction mechanism 2 when cervical vertebra traction is carried out at a later stage, then the patient places the head and the lower jaw on the traction belt 33, the hand wheel 211 is used for rotating forwards, the traction rope 22 upwards pulls the traction bracket 32 and the traction belt 33 along the direction of the transverse extension 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, so that the patient is lifted to a proper height, when the patient feels that the force is proper, the hand wheel 211 is kept from rotating, and the patient can conveniently recover through traction action.

Specifically, as shown in fig. 2 and 7, the adjusting and fixing mechanism 63 includes a sleeve 631 inserted at an end of the fifth sleeve 2412 and a screw 632 inserted into the sleeve 631, wherein the screw 632 is adapted to rotate to be screwed into the fifth sleeve 2412 and to push the sleeve 631 to slide in the fifth sleeve 2412.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.

Claims (10)

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 chair seat (12), a chair leg structure (13) and armrests (14), the upper end of the backrest (11) is of a hollow structure with an opening (111), one pair of sides of the chair seat (12) are provided with the armrests (14), one end of the other pair of sides of the chair seat (12) is connected with the backrest (11), the chair leg structure (13) is supported at the bottom of the chair seat (12), and the chair leg structure (13) is of a lifting structure and is suitable for a user to slide and move;

traction mechanism (2), traction mechanism (2) are suitable for accomodating inside the hollow structure of back (11), traction mechanism (2) include hand wheel rotating-structure (21), haulage rope (22), vertical extending structure (23), angle adjusting structure (26), horizontal extending structure (24), direction wheelset (25) and lifting hook (27), hand wheel rotating-structure (21) are installed on seat support (12) side, the one end of vertical extending structure (23) is suitable for following opening (111) insert in back (11), and with seat support (12) are connected, the other end passes through angle adjusting structure (26) with horizontal extending structure (24) rotate to be connected, direction wheelset (25) set up vertical extending structure (23) with the tip of horizontal extending structure (24), the one end of haulage rope (22) is fixed on hand wheel rotating-structure (21), the other end of the hauling cable (22) is connected with the lifting hook (27) by bypassing the guide wheel set (25),

supporting mechanism (3), supporting mechanism (3) including with dynamometer (31) that lifting hook (27) are connected, with dynamometer (31) articulate pull support (32) and with pull area (33) of connecting pull support (32) both ends, pull area (33) are suitable for the support of human cervical vertebra for treating cervical spondylopathy.

2. The cervical traction chair according to claim 1, wherein the vertical telescopic structure (23) comprises two symmetrically arranged vertical telescopic tubes (231), the horizontal telescopic structure (24) comprises two symmetrically arranged horizontal telescopic tubes (241), one end of each of the two vertical telescopic tubes (231) is connected with the chair leg structure (13), the other end of each of the two vertical telescopic tubes (231) is correspondingly and rotatably connected with the two horizontal telescopic tubes (241), and the other end of each of the two horizontal telescopic tubes (241) is connected with the guide wheel set (25).

3. The cervical traction chair according to claim 2, wherein the angle adjusting structure (26) comprises a first rotary lift (262) symmetrically connected to the two vertical extension tubes (231), respectively, a second rotary lift (263) symmetrically connected to the two lateral extension tubes (241), respectively, and a first rotary shaft (261) passing through the first rotary lift (262) and the second rotary lift (263), wherein the two first rotary lifts (262) and the two second rotary lifts (263) are symmetrically disposed about the first rotary shaft (261), respectively, and the first rotary lift (262) is located outside the second rotary lift (263).

4. The cervical traction chair according to claim 3, wherein the vertical telescopic tube (231) comprises a first sleeve (2311), a second sleeve (2312) and a third sleeve (2313) which are connected in a nested manner in sequence, a first limit 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 limit fixing structure (5) suitable for adjusting the relative nesting height is arranged between the second sleeve (2312) and the third sleeve (2313).

5. The cervical traction chair according to claim 1, wherein the leg structure (13) comprises a telescopic spring rod (131), legs (132) and universal rollers (133), the top end of the telescopic spring rod (131) is arranged at the bottom of the chair seat (12), the legs (132) are welded at the bottom end of the telescopic spring rod (131), and the universal rollers (133) are arranged at one end of the legs (132).

6. The cervical traction chair according to claim 1, wherein the hand wheel rotating structure (21) comprises a hand wheel (211) rotatably mounted on one side of the chair seat (12), a lead screw (212) fixedly connected with the hand wheel (211), and a sliding block (213) arranged on the lead screw (212) in a penetrating manner, wherein the sliding block (213) is suitable for sliding on the lead screw (212) when the hand wheel (211) and the lead screw (212) rotate.

7. The cervical traction chair according to claim 4, wherein the first position-limiting fixing structure (4) comprises a first spring (41) fixedly connected with the inner wall of the second sleeve (2312) and a first position-limiting protrusion (42) fixedly connected with the other end of the first spring (41), the first position-limiting protrusion (42) is adapted to be snapped in a position-limiting hole corresponding to the first sleeve (2311) and the second sleeve (2312), the second position-limiting fixing structure (5) comprises a second spring (51) fixedly connected with the inner wall of the third sleeve (2313) and a second position-limiting protrusion (52) fixedly connected with the other end of the second spring (51), and the second position-limiting protrusion (52) is adapted to be snapped in a position-limiting hole corresponding to the second sleeve (2312) and the third sleeve (2313).

8. The cervical traction chair according to claim 7, wherein the transverse telescopic tube (241) comprises a fourth sleeve (2411) and a fifth sleeve (2412) which are connected in a nesting manner, a third limit fixing structure (6) suitable for adjusting the relative nesting depth is arranged between the fourth sleeve (2411) and the fifth sleeve (2412), the third limit fixing structure (6) comprises a third spring (61) fixedly connected with the inner wall of the fifth sleeve (2412), a third clamping bulge (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 of the fifth sleeve (2412), and the adjusting and fixing mechanism (63) is suitable for adjusting the transverse displacement of the supporting mechanism (3).

9. The cervical traction chair according to claim 8, wherein the guide wheel set (25) comprises a first guide wheel (251) disposed at the bottom of the seat (12), a second guide wheel (252) fixed between the two first sleeves (2311), a third guide wheel (253) disposed on the first rotary shaft (261) and between the second rotary shaft (263), and a fourth guide wheel (254) fixed between the two fifth sleeves (2412), wherein the first guide wheel (251), the second guide wheel (252), the third guide wheel (253), and the fourth guide wheel (254) are wound with the traction rope (22).

10. The cervical traction chair according to claim 8, wherein the adjusting and fixing mechanism (63) comprises a sleeve (631) inserted at the end of the fifth sleeve (2412) and a screw (632) inserted into the sleeve (631), the screw (632) being adapted to rotate to be screwed into the fifth sleeve (2412) and to push the sleeve (631) to slide in the fifth sleeve (2412).

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