A traction mechanism

Abstract

The utility model discloses a traction mechanism, including a bottom plate, four support rods are fixedly connected to the top side wall of the bottom plate, a seat plate is fixedly connected to the top side wall of the four support rods, one end of the seat plate is connected to a back plate through an angle adjustment device, three symmetrically arranged openings are opened on both side walls of the back plate, three shells are fixedly connected to the side wall of the back plate, the three shells are located between the symmetrically arranged openings, reels are rotatably connected to the bottom side walls of the three shells, and limiting devices are arranged on the side walls of the three rotating disks. The utility model can simultaneously limit the head, shoulders and waist of the patient during traction treatment through the mutual cooperation of the baffle, strap, rotating rod, baffle and other components, thereby preventing the patient's head and waist from tilting forward during treatment, thereby improving the treatment efficiency of the patient, and the operation is simple, convenient and fast.

Description

Technical Field

[0001] The utility model relates to the technical field of medical treatment, in particular to a traction mechanism. Background Art

[0002] The spine is an important skeletal tissue in the human body. It plays a major supporting role in the upper body. At the same time, there is central nervous tissue in the spine. When the spine is deformed, it is very easy to compress the central nervous system, and then induce various complications. The deformation of the spine is mostly caused by fatigue or various improper sitting postures. Most spinal deformations can be restored to normal through temporary traction and then chronic correction.

[0003] For example, Chinese patent announcement number CN219439607U discloses a spinal traction device. The spinal traction device comprises a traction chair, a spinal limiting mechanism and a shoulder limiting mechanism. The seat surface of the traction chair is a flat plate structure. The upper surface of the traction chair is provided with a spinal limiting mechanism, which is fixedly connected to the traction chair. The spinal limiting mechanism is provided with a shoulder limiting mechanism, which is movably connected to the spinal limiting mechanism. The utility model adds a spinal limiting mechanism to the traction chair, and the spinal limiting mechanism can adjust its position on the traction chair. After the user sits on the traction chair, the position of the spinal limiting mechanism is adjusted according to the position of the user.

[0004] However, in the above scheme, when performing traction treatment on the patient, only the patient's shoulders can be limited, and it is inconvenient to limit the patient's head and waist, which causes the patient's waist and head to lean forward easily during treatment, thereby affecting the patient's traction treatment and being not very convenient. Utility Model Content

[0005] The utility model provides a traction mechanism to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A traction mechanism comprises a bottom plate, four support rods are fixedly connected to the top side wall of the bottom plate, a seat plate is fixedly connected to the top side wall of the four support rods, one end of the seat plate is connected to a back plate through an angle adjustment device, three symmetrically arranged openings are opened on the two side walls of the back plate, three shells are fixedly connected to the side wall of the back plate, the three shells are located between the symmetrically arranged openings, reels are rotatably connected to the bottom side walls of the three shells, the tops of the three reels are fixedly connected to rotating disks, the side walls of the three rotating disks are provided with limiting devices, and the three The top of the rotating disk is fixedly connected to a rotating rod, the tops of the three rotating rods penetrate the corresponding top side walls of the shell and are rotatably connected to the shell, the tops of the three rotating rods are fixedly connected to rotating blocks, sliding openings are opened on the three side walls of the shell, and straps are wrapped around the side walls of the outer rings of the three reels. One ends of the three straps penetrate the corresponding sliding openings, and one ends of the three straps are provided with hanging rings. L-shaped hanging rods are fixedly connected to the three side walls of the shell, and the three L-shaped hanging rods are located on the back sides of the three sliding openings, and the three hanging rings are adapted to the three L-shaped hanging rods.

[0008] As a further improvement of the present technical solution: the angle adjustment device includes two baffles, the two baffles are fixedly connected to the side wall at one end of the seat plate, the side walls of the two baffles are rotatably connected with connecting rods, the two connecting rods are arranged opposite to each other, the two connecting rods are respectively fixedly connected to the side walls at both ends of the back plate, one of the connecting rods passes through the side wall of one of the baffles and is fixedly connected to a motor, one end of the connecting rod is fixedly connected to the output shaft of the motor, the bottom of the motor is fixedly connected to a mounting plate, and one end of the top of the mounting plate is fixedly connected to the bottom side wall of one of the baffles.

[0009] As a further improvement of the present technical solution: the three limiting devices all include a baffle rod, the three baffle rods are respectively slidably connected to the side walls of the three shells, one ends of the three baffle rods are fixedly connected to a pull block, springs are sleeved on the side walls of the outer rings of the three baffle rods, the two ends of the three springs are respectively fixedly connected to the side walls of the corresponding shells and the pull blocks, one ends of the three baffle rods pass through the side walls of the shells, the side walls of one ends of the three baffle rods are inclined, a plurality of baffle blocks are fixedly connected to the side walls of the outer rings of the three rotating disks, the side walls of each of the baffle blocks are inclined, and one ends of the three baffle rods are respectively located between two of the baffle blocks on the side walls of the three rotating disks.

[0010] As a further improvement of the technical solution: the surfaces of the three pulling blocks and the three rotating blocks are all provided with anti-slip grooves.

[0011] As a further improvement of the technical solution: the side wall of the seat plate is fixedly connected with a pad, and the pad is arranged in an inclined shape.

[0012] As a further improvement of the technical solution: a head pad is fixedly connected to the upper side wall of the back plate.

[0013] Compared with the prior art, the beneficial effect of the utility model is that the device can simultaneously limit the patient's head, shoulders and waist during traction treatment through the mutual cooperation of the baffle, straps, rotating rod, baffle rod and other components, thereby preventing the patient's head and waist from leaning forward during treatment, thereby improving the patient's treatment efficiency, and the operation is simple, convenient and fast.

[0014] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0016] Figure 1 This is a front cross-sectional structural schematic diagram of a traction mechanism proposed by the utility model;

[0017] Figure 2 It is a right side structural schematic diagram of a traction mechanism proposed by the utility model;

[0018] Figure 3 This is a schematic diagram of a top cross-sectional structure of a back plate in a traction mechanism proposed by the utility model;

[0019] Figure 4 for Figure 1 A is a schematic diagram of the partially enlarged structure of the middle part;

[0020] Figure 5 This is a left-side structural schematic diagram of a traction mechanism proposed by the utility model.

[0021] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0022] 1. Bottom plate; 2. Support rod; 3. Mounting plate; 4. Baffle; 5. Motor; 6. Housing; 7. Pull block; 8. Rotating block; 9. Reel; 10. Spring; 11. Pad; 12. Seat plate; 13. Strap; 14. Back plate; 15. Opening; 16. Head pad; 17. Rotating rod; 18. Rotating disk; 19. Baffle rod; 20. Connecting rod; 21. Hanging ring; 22. L-shaped hanging rod; 23. Baffle; 24. Sliding opening. DETAILED DESCRIPTION

[0023] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0024] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0026] See also Figure 1-5In the embodiment of the utility model, a traction mechanism includes a bottom plate 1, four support rods 2 are fixedly connected to the top side wall of the bottom plate 1, a seat plate 12 is fixedly connected to the top side wall of the four support rods 2, one end of the seat plate 12 is connected to a back plate 14 through an angle adjustment device, three symmetrically arranged openings 15 are opened on both side walls of the back plate 14, three shells 6 are fixedly connected to the side wall of the back plate 14, the three shells 6 are located between the symmetrically arranged openings 15, and reels 9 are rotatably connected to the bottom side walls of the three shells 6, the tops of the three reels 9 are fixedly connected to rotating disks 18, and the side walls of the three rotating disks 18 are provided with limiting devices, and the three The top of the rotating disk 18 is fixedly connected to a rotating rod 17, the tops of the three rotating rods 17 all penetrate the corresponding top side walls of the shell 6 and are rotatably connected to the shell 6, the tops of the three rotating rods 17 are fixedly connected to a rotating block 8, sliding openings 24 are opened on the side walls of the three shells 6, and the outer ring side walls of the three reels 9 are wrapped with straps 13, one ends of the three straps 13 all penetrate the corresponding sliding openings 24, and one ends of the three straps 13 are provided with hanging rings 21, and the side walls of the three shells 6 are fixedly connected with L-shaped hanging rods 22, the three L-shaped hanging rods 22 are located on the back sides of the three sliding openings 24, and the three hanging rings 21 are adapted to the three L-shaped hanging rods 22.

[0027] See also Figure 1-2 , Figure 5 The angle adjustment device includes two baffles 4, which are fixedly connected to the side wall of one end of the seat plate 12. The side walls of the two baffles 4 are rotatably connected with connecting rods 20. The two connecting rods 20 are arranged opposite to each other. The two connecting rods 20 are respectively fixedly connected to the side walls of the two ends of the back plate 14. One of the connecting rods 20 passes through the side wall of one of the baffles 4 and is fixedly connected to the motor 5. One end of the connecting rod 20 is fixedly connected to the output shaft of the motor 5. The bottom of the motor 5 is fixedly connected with a mounting plate 3, and one end of the top of the mounting plate 3 is fixedly connected to the bottom side wall of one of the baffles 4. When the angle of the back plate 14 needs to be adjusted, by starting the motor 5, the output shaft of the motor 5 drives the connecting rod 20 to rotate, and the connecting rod 20 drives the back plate 14 to rotate, thereby adjusting the angle of the back plate 14, and the angle of the back plate 14 can be adjusted according to the needs during treatment.

[0028] See also Figure 1-4The three limiting devices all include a stopper 19, which is slidably connected to the side walls of the three shells 6, and one end of the three stopper rods 19 is fixedly connected to a pull block 7. The outer side walls of the three stopper rods 19 are sleeved with springs 10, and the two ends of the three springs 10 are respectively fixedly connected to the side walls of the corresponding shells 6 and the pull block 7. One end of the three stopper rods 19 passes through the side wall of the shell 6, and the side walls of the three stopper rods 19 are inclined. A plurality of stoppers 23 are fixedly connected to the outer side walls of the three rotating disks 18, and each stopper The side walls 23 are all arranged in an inclined shape, and one end of the three blocking rods 19 is respectively located between two of the blocking blocks 23 on the side walls of the three rotating disks 18. The pull block 7 is pulled, and the pull block 7 drives the blocking rod 19 to move. The pull block 7 also drives the spring 10 to move, so that the spring 10 is in a stressed state. At this time, one end of the blocking rod 19 is separated from the two blocking blocks 23 on the side walls of the rotating disk 18, thereby releasing the fixing of the blocking rod 19 to the rotating disk 18, and then the binding belt 13 is pulled, and the binding belt 13 drives the reel 9 to rotate forward, so that the reel 9 lowers the binding belt 13, The strap 13 is pulled out and passed through the opening 15, and then pressed on the patient's forehead and passed through another opening 15, and then the hanging ring 21 at one end of the strap 13 is set on the L-shaped hanging rod 22, so that the strap 13 is fixed, and then the pulling block 7 is released, the spring 10 will drive the blocking rod 19 to automatically reset, so as to fix the rotating disk 18, and then the rotating block 8 is rotated in the reverse direction, the rotating block 8 drives the rotating rod 17 to rotate, the rotating rod 17 drives the rotating disk 18 to rotate, and the rotating disk 18 drives multiple blocking blocks 23 to rotate at the same time The inclined side walls of the multiple blocks 23 will squeeze the inclined side walls of the blocking rod 19 when rotating, so that the blocking rod 19 moves along the inclined side walls of the block 23, and the blocking rod 19 drives the spring 10 to move through the pulling block 7. At this time, the spring 10 is in a stressed state, and the rotating disk 18 can drive the reel 9 to rotate in the opposite direction when rotating. The reel 9 can rewind the strap 13 when rotating, thereby tightening the strap 13. After tightening, stop rotating the rotating block 8, and the spring 10 will drive the blocking rod 19 to automatically reset, thereby fixing the rotating disk 18.

[0029] See also Figure 1-4 The surfaces of the three pulling blocks 7 and the three rotating blocks 8 are all provided with anti-skid patterns to prevent slipping when the three pulling blocks 7 are pulled or the three rotating blocks 8 are rotated.

[0030] See also Figure 1-2 , Figure 5 The side wall of the seat plate 12 is fixedly connected with a pad 11, and the pad 11 is arranged in an inclined shape. The pad 11 can be used to place the patient's legs, thereby improving the comfort of the patient's legs.

[0031] See also Figure 1 , Figure 3 , Figure 5A head pad 16 is fixedly connected to the side wall of the upper end of the back plate 14, and the patient's head rests on the head pad 16, thereby improving the comfort of the patient's head.

[0032] The working principle of the utility model is as follows: first, the patient is allowed to sit on the seat board 12, with the patient's back leaning on the back board 14, and then the strap 13 is pulled out to pass the strap 13 through the opening 15, and then pressed on the patient's forehead and passed through another opening 15, and then the hanging ring 21 at one end of the strap 13 is sleeved on the L-shaped hanging rod 22, so that the strap 13 is fixed, and then the rotating block 8 is rotated in the reverse direction to tighten the strap 13, and the rotating disk 18 drives the reel 9 to rotate in the reverse direction through the multiple blocks 23 provided to squeeze the inclined side wall of the stop rod 19 when the strap 13 is rolled up, so that the stop rod When the drum 9 rotates forward to lower the strap 13, the baffle 19 will jam the rotating disk 18, so that the rotating disk 18 cannot rotate forward, and the baffle 19 needs to be manually pulled to move. Then, the patient's shoulders and waist are limited in turn by the above method, and the patient's head, shoulders and waist can be limited at the same time during traction treatment, so as to prevent the patient's head and waist from leaning forward during treatment, so that the patient can maintain a correct sitting posture for a long time, thereby improving the treatment efficiency of the patient.

[0033] When the angle of the backboard 14 needs to be adjusted, the motor 5 is started, and the output shaft of the motor 5 drives the connecting rod 20 to rotate, and the connecting rod 20 drives the backboard 14 to rotate, thereby adjusting the angle of the backboard 14. The angle of the backboard 14 can be adjusted according to the needs during treatment.

[0034] The above description is only a preferred embodiment of the utility model and does not impose any form of limitation on the utility model. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. A traction mechanism, comprising a base plate (1), characterized in that: Four support rods (2) are fixedly connected to the top side walls of the bottom plate (1), and a seat plate (12) is fixedly connected to the top side walls of the four support rods (2). One end of the seat plate (12) is connected to a back plate (14) via an angle adjustment device. Three symmetrically arranged openings (15) are provided on both side walls of the back plate (14). Three shells (6) are fixedly connected to the side walls of the back plate (14). The three shells (6) are located between the symmetrically arranged openings (15). The bottom side walls of the three shells (6) are rotatably connected to reels (9). The tops of the three reels (9) are fixedly connected to rotating disks (18). The side walls of the three rotating disks (18) are provided with limiting devices. The tops of the three rotating disks (18) are fixedly connected to A rotating rod (17), the tops of the three rotating rods (17) all penetrate the top side walls of the corresponding shells (6) and are rotatably connected to the shells (6), the tops of the three rotating rods (17) are all fixedly connected to rotating blocks (8), the side walls of the three shells (6) are all provided with sliding openings (24), the outer ring side walls of the three reels (9) are all wound with straps (13), one ends of the three straps (13) all penetrate the corresponding sliding openings (24), one ends of the three straps (13) are all provided with hanging rings (21), the side walls of the three shells (6) are all fixedly connected with L-shaped hanging rods (22), the three L-shaped hanging rods (22) are all located on the back sides of the three sliding openings (24), and the three hanging rings (21) are all compatible with the three L-shaped hanging rods (22).

2. A traction mechanism according to claim 1, characterized in that: The angle adjustment device comprises two baffles (4), the two baffles (4) are fixedly connected to the side wall at one end of the seat plate (12), the side walls of the two baffles (4) are rotatably connected with connecting rods (20), the two connecting rods (20) are arranged opposite to each other, the two connecting rods (20) are respectively fixedly connected to the side walls at both ends of the back plate (14), one of the connecting rods (20) passes through the side wall of one of the baffles (4) and is fixedly connected to a motor (5), one end of the connecting rod (20) is fixedly connected to the output shaft of the motor (5), the bottom of the motor (5) is fixedly connected to a mounting plate (3), and one end of the top of the mounting plate (3) is fixedly connected to the bottom side wall of one of the baffles (4).

3. A traction mechanism according to claim 1, characterized in that: The three limiting devices all include a blocking rod (19), the three blocking rods (19) are respectively slidably connected to the side walls of the three shells (6), one end of the three blocking rods (19) is fixedly connected to a pull block (7), a spring (10) is sleeved on the outer ring side wall of the three blocking rods (19), the two ends of the three springs (10) are respectively fixedly connected to the corresponding shells (6) and the side walls of the pull block (7), one end of the three blocking rods (19) passes through the side wall of the shell (6), the side walls of one end of the three blocking rods (19) are arranged in an inclined shape, a plurality of blocking blocks (23) are fixedly connected to the outer ring side walls of the three rotating disks (18), the side wall of each blocking block (23) is arranged in an inclined shape, and one end of the three blocking rods (19) is respectively located between two of the blocking blocks (23) on the side walls of the three rotating disks (18).

4. A traction mechanism according to claim 3, characterized in that: The surfaces of the three pulling blocks (7) and the three rotating blocks (8) are all provided with anti-slip grooves.

5. A traction mechanism according to claim 1, characterized in that: The side wall of the seat plate (12) is fixedly connected with a pad (11), and the pad (11) is arranged in an inclined shape.

6. A traction mechanism according to claim 1, characterized in that: A head pad (16) is fixedly connected to the side wall at the upper end of the back plate (14).

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