CN109602591B

CN109602591B - Ligament vertebra rehabilitation therapeutic instrument for sports medicine

Info

Publication number: CN109602591B
Application number: CN201910076603.2A
Authority: CN
Inventors: 李丽艳; 任塘珂; 董顺泼; 别鹏; 赵利
Original assignee: Luoyang Normal University
Current assignee: Luoyang Normal University
Priority date: 2019-01-26
Filing date: 2019-01-26
Publication date: 2021-01-05
Anticipated expiration: 2039-01-26
Also published as: CN109602591A

Abstract

The invention discloses a ligament spine rehabilitation therapeutic apparatus for sports medicine, which comprises a therapeutic apparatus body, wherein the therapeutic apparatus body comprises a rotating seat and two pull ropes arranged on the rotating seat, the two pull ropes are symmetrically arranged, an installation seat is fixedly arranged at the top of the rotating seat and is positioned between the two pull ropes, a rectangular groove is formed in one side of the installation seat, a sliding seat is arranged in the rectangular groove, a U-shaped groove with openings at two sides is formed in one side of the sliding seat, sliding grooves are formed in the inner walls of the top and the bottom of the U-shaped groove, and the same positioning rod is fixedly arranged on the inner walls of two sides of the sliding groove. The massage wheel is reasonable in design and convenient to operate, the two massage wheels are conveniently driven to move up and down to massage the spines of athletes back and forth, the massage wheels are conveniently driven to circularly squeeze and massage the spines of the athletes while the massage wheels massage back and forth up and down, the massage positions are increased, the massage rehabilitation effect is improved, and the use requirements of the athletes are met.

Description

Ligament vertebra rehabilitation therapeutic instrument for sports medicine

Technical Field

The invention relates to the technical field of therapeutic instruments, in particular to a ligament spine rehabilitation therapeutic instrument for sports medicine.

Background

The sportsman is difficult for exempting from vertebra and ligament and receives the injury when the training, consequently need use ligament vertebra rehabilitation therapeutic instrument for rehabilitation training, and authorized bulletin number CN206631087U through the retrieval discloses a ligament vertebra rehabilitation therapeutic instrument for sports medicine, install first piston on the sucking disc, the base is installed to the upper end of first piston, first pivot mount pad is installed to the upper end of base, first rotation axis is installed to first pivot mount pad upper end, the roating seat is installed to the upper end of first rotation axis, install first linking piece through the second rotation axis on the roating seat, install first stay cord on the first linking piece, link up through the second stay cord of installing of second pivot piece on the roating seat, install the spout on the roating seat, slidable mounting has spacing portion on the spout, spacing portion includes second piston rod, limiting plate, Second piston, second piston mount pad, gyro wheel mounting panel and gyro wheel pivot, second piston mount pad is installed in the outside of relative limiting plate, install the second piston on the second piston mount pad, the second piston is kept away from the one end of second piston mount pad and is installed the second piston rod, the gyro wheel mounting panel is installed to one side of second piston mount pad, install the gyro wheel through the gyro wheel pivot on the gyro wheel mounting panel, the gyro wheel is installed in the spout, simple structure, and convenient operation can realize carrying out the rehabilitation training to the sportsman's vertebra, and has realized the training to the ligament when training.

Above-mentioned patent still has certain not enough, it is when training, first stay cord and second stay cord can provide the sportsman and do ligament rehabilitation training, rehabilitation training is done to sportsman's vertebra to its roller, but its roller is not convenient for reciprocate to make a round trip to massage from top to bottom to sportsman's vertebra, and be not convenient for when the roller massages from top to bottom to sportsman's vertebra to the roller to the sportsman's circulation extrusion massage, make the massage position less, the rehabilitation training effect is poor, can not satisfy sportsman's user demand, therefore we have proposed that motion medical science is used for solving above-mentioned problem with ligament.

Disclosure of Invention

Based on the technical problems in the background art, the invention provides a ligament spine rehabilitation therapeutic apparatus for sports medicine.

The ligament spine rehabilitation therapeutic apparatus for sports medicine comprises a therapeutic apparatus body, wherein the therapeutic apparatus body comprises a rotating seat and two pull ropes arranged on the rotating seat, the two pull ropes are symmetrically arranged, an installation seat is fixedly arranged at the top of the rotating seat and is positioned between the two pull ropes, a rectangular groove is formed in one side of the installation seat, a sliding seat is arranged in the rectangular groove, a U-shaped groove with two opened sides is formed in one side of the sliding seat, sliding grooves are formed in the inner walls of the top and the bottom of the U-shaped groove, the same positioning rod is fixedly arranged on the inner walls of the two sides of the sliding groove, a sliding block is sleeved on the positioning rod in a sliding mode, one side, close to each other, of the two sliding blocks extends into the U-shaped groove and is welded with the same first bearing, a rotating shaft is fixedly sleeved in the inner ring of the first bearing, and two ends of the rotating shaft, one side of each of the two massage wheels extends out of the mounting seat, one side of the rectangular groove is provided with a mounting groove formed in the top of the mounting seat, a push rod is arranged in the U-shaped groove, one end, far away from the first bearing, of the push rod extends into the mounting groove and is nested with balls, a plurality of first springs are welded between one end, close to the first bearing, of the push rod and the outer ring of the first bearing, the top of the push rod is provided with a first rectangular hole, the inner wall of the top of the rectangular groove is welded with a slide rod, the bottom end of the slide rod penetrates through the first rectangular hole and is welded with the inner wall of the bottom of the rectangular groove, the slide seat is slidably sleeved on the slide rod, a second rectangular hole formed in the top of the push rod is formed in the mounting groove, the top of the mounting seat is fixedly provided with a servo motor, the output shaft of the servo motor, the first groove has been seted up on the one side inner wall that the second rectangular hole is close to the ball, and sliding sleeve is equipped with the horizontal pole in the first groove, horizontal pole thread bush is established on the screw rod, and the one end that the horizontal pole is close to the ball keeps away from a plurality of second springs of fixedly connected with between its open-ended one side inner wall with the first groove, the other end of horizontal pole contacts with the opposite side inner wall in second rectangular hole, and the welding has a plurality of arc pieces on the one side inner wall that the rectangular groove was kept away from to the mounting groove, and the arc piece cooperatees with the ball, the top rolling contact of an arc piece in ball and.

Preferably, the top of the cross rod is provided with a threaded hole, and the threaded hole is in threaded connection with the screw.

Preferably, a limiting through hole is formed in the inner wall of one side, close to the mounting groove, of the rectangular groove, and the inner walls of two sides of the limiting through hole are respectively in movable contact with two sides of the push rod.

Preferably, a limiting groove is formed in the top of the cross rod, a limiting block is fixedly mounted on the inner wall of the top of the first groove, and the limiting block is connected with the limiting groove in a sliding mode.

Preferably, a first through hole is formed in the inner wall of one side, close to the mounting groove, of the U-shaped groove, the first through hole is connected with the push rod in a sliding mode, second through holes are formed in the inner wall of the top portion and the inner wall of the bottom portion of the first through hole, and the two second through holes are connected with the slide rod in a sliding mode.

Preferably, the inner walls of the two sides of the first rectangular hole are respectively in movable contact with the two sides of the sliding rod.

Preferably, a third through hole is formed in one side of the sliding block and is in sliding connection with the corresponding positioning rod.

Preferably, a second bearing is welded on the inner wall of the bottom of the mounting groove, and an inner ring of the second bearing is fixedly sleeved with the outer side of the screw rod.

Preferably, the number of the arc blocks is six to eight, and the six to eight arc blocks are arranged on the inner wall of one side, far away from the rectangular groove, of the mounting groove at equal intervals.

Preferably, the number of the second springs is two to four, and the two to four second springs are arranged on the inner wall of the first groove far away from the opening of the first groove at equal intervals.

Compared with the prior art, the invention has the beneficial effects that:

the massage device comprises massage wheels, a servo motor, a screw rod, a cross rod, a push rod, a sliding seat, a sliding rod, positioning rods, a sliding block and a first bearing which are matched with a rotating shaft, wherein a sportsman leans against two massage wheels when using a pull rope for training, the servo motor is started in a forward direction, the servo motor drives the screw rod to rotate, the screw rod can drive the cross rod to move downwards through rotation, the cross rod drives the sliding seat to slide downwards on the sliding rod through the push rod, the sliding seat drives the two sliding blocks to move downwards through the two positioning rods, the sliding block drives the rotating shaft to move downwards through the first bearing, and the rotating shaft drives the two massage;

through the push rod, the ball, the arc-shaped blocks, the second springs, the first bearings, the rotating shaft is matched with the massage wheels, the push rod further drives the ball to downwards extrude one arc-shaped block in the arc-shaped blocks, under the action of extrusion force, the ball moves and drives the push rod to compress the second springs, the push rod drives the first bearings to transversely move through the first springs, the first bearings drive the massage wheels to extrude and massage the back spines of athletes through the rotating shaft, when the ball is staggered with one arc-shaped block, the second springs in a compression state reset and drive the first springs to reset through the push rod, the first springs drive the rotating shaft to reset through the first bearings, the rotating shaft drives the two massage wheels to reset, the arrangement of the arc-shaped blocks enables the push rod to be driven to reciprocate to transversely move to extrude and massage the backs of the athletes, when the bottoms of the push rod are contacted with the inner walls of the bottoms of, the servo motor is started reversely, and the massage wheels can be driven to move upwards to massage the back of the athlete from bottom to top.

The massage wheel is reasonable in design and convenient to operate, the two massage wheels are conveniently driven to move up and down to massage the spines of athletes back and forth, the massage wheels are conveniently driven to circularly squeeze and massage the spines of the athletes while the massage wheels massage back and forth up and down, the massage positions are increased, the massage rehabilitation effect is improved, and the use requirements of the athletes are met.

Drawings

Fig. 1 is a schematic structural diagram of a ligament spine rehabilitation therapeutic apparatus for sports medicine according to the present invention;

FIG. 2 is a schematic sectional side view of part A of the ligament spine rehabilitation instrument for sports medicine according to the present invention;

FIG. 3 is a schematic sectional view of part B of FIG. 2;

FIG. 4 is a partial sectional structural view of C in FIG. 3;

fig. 5 is a schematic perspective view of the massage wheel, the rotating shaft and the first bearing connecting piece of the ligament spine rehabilitation therapeutic apparatus for sports medicine according to the present invention.

In the figure: the device comprises a rotary seat 1, a pull rope 2, a mounting seat 3, a rectangular groove 4, a sliding rod 5, a sliding seat 6, a U-shaped groove 7, a sliding groove 8, a positioning rod 9, a sliding block 10, a first bearing 11, a rotating shaft 12, a massage wheel 13, a push rod 14, a first spring 15, a first rectangular hole 16, a mounting groove 17, a ball 18, a second rectangular hole 19, a servo motor 20, a screw rod 21, a first groove 22, a cross rod 23, a second spring 24, an arc-shaped block 25, a threaded hole 26, a limit through hole 27, a limit groove 28, a limit block 29 and a first through hole 30.

Detailed Description

The present invention will be further illustrated with reference to the following specific examples.

Examples

Referring to fig. 1-5, the embodiment provides a ligament spine rehabilitation therapy apparatus for sports medicine, which comprises a therapy apparatus body, the therapy apparatus body comprises a rotating seat 1 and two pulling ropes 2 installed on the rotating seat 1, the two pulling ropes 2 are symmetrically arranged, a mounting seat 3 is fixedly installed at the top of the rotating seat 1, the mounting seat 3 is located between the two pulling ropes 2, one side of the mounting seat 3 is provided with a rectangular groove 4, a sliding seat 6 is arranged in the rectangular groove 4, one side of the sliding seat 6 is provided with a U-shaped groove 7 with openings at both sides, sliding grooves 8 are respectively formed in the inner wall at the top and the inner wall at the bottom of the U-shaped groove 7, the inner walls at both sides of the sliding groove 8 are fixedly provided with a same positioning rod 9, a sliding sleeve is sleeved on the positioning rod 9, one side of the two sliding blocks 10 close to each other extends into the U-shaped groove 7 and is welded with, two ends of the rotating shaft 12 extend to the outside of the first bearing 11 and are fixedly provided with massage wheels 13, one sides of the two massage wheels 13 extend to the outside of the mounting seat 3, one side of the rectangular groove 4 is provided with a mounting groove 17 arranged at the top of the mounting seat 3, a push rod 14 is arranged in the U-shaped groove 7, one end of the push rod 14 far away from the first bearing 11 extends to the inside of the mounting groove 17 and is nested with balls 18, a plurality of first springs 15 are welded between one end of the push rod 14 close to the first bearing 11 and the outer ring of the first bearing 11, a first rectangular hole 16 is arranged at the top of the push rod 14, a slide rod 5 is welded on the inner wall at the top of the rectangular groove 4, the bottom end of the slide rod 5 penetrates through the first rectangular hole 16 and is welded with the inner wall at the bottom of the rectangular groove 4, the slide seat 6 is slidably sleeved on the slide rod 5, a second rectangular hole 19 arranged at the top of the, an output shaft of the servo motor 20 extends into the mounting groove 17 and is fixedly provided with a screw rod 21, the bottom end of the screw rod 21 is rotatably mounted with the inner wall of the bottom of the mounting groove 17, a first groove 22 is formed on the inner wall of one side, close to the ball 18, of the second rectangular hole 19, a cross rod 23 is sleeved in the first groove 22 in a sliding mode, the cross rod 23 is sleeved on the screw rod 21 in a threaded mode, a plurality of second springs 24 are fixedly connected between one end, close to the ball 18, of the cross rod 23 and the inner wall of one side, far away from the opening, of the first groove 22, the other end of the cross rod 23 is in contact with the inner wall of the other side of the second rectangular hole 19, a plurality of arc-shaped blocks 25 are welded on the inner wall of one side, far away from the rectangular groove 4, of the mounting groove 17, the arc-shaped blocks 25 are matched with the, The sliding seat 6, the sliding rod 5, the positioning rods 9, the sliding blocks 10, the first bearings 11 are matched with the rotating shaft 12, when a sportsman uses the pull rope 2 for training, the sportsman leans against the two massage wheels 13, the servo motor 20 is started in the forward direction, the servo motor 20 drives the screw rod 21 to rotate, the screw rod 21 can drive the cross rod 23 to move downwards, the cross rod 23 drives the sliding seat 6 to slide downwards on the sliding rod 5 through the push rod 14, the sliding seat 6 drives the two sliding blocks 10 to move downwards through the two positioning rods 9, the sliding blocks 10 drive the rotating shaft 12 to move downwards through the first bearings 11, the rotating shaft 12 drives the two massage wheels 13 to move downwards along the back of the sportsman for massage, the push rod 14, the rolling balls 18, the arc-shaped blocks 25, the second springs 24, the first springs 15, the first bearings 11, the rotating shaft 12 and the massage wheels 13 are matched, the push rod 14 further drives the rolling, under the action of extrusion force, the ball 18 moves and drives the push rod 14 to compress the second spring 24, the push rod 14 drives the first bearing 11 to transversely move through the first spring 15, the first bearing 11 drives the massage wheel 13 to perform extrusion massage on the back spine of the athlete through the rotating shaft 12, when the ball 18 is staggered with one arc-shaped block 25, the plurality of second springs 24 in a compression state reset and drive the first spring 15 to reset through the push rod 14, the first spring 15 drives the rotating shaft 12 to reset through the first bearing 11, the rotating shaft 12 drives the two massage wheels 13 to reset, the plurality of arc-shaped blocks 25 are arranged, so that the push rod 14 can be driven to reciprocate to transversely move to perform reciprocating extrusion massage on the back of the athlete, when the bottom of the push rod 14 is in contact with the inner wall of the bottom of the limiting through hole 27, the servo motor 20 is reversely started, the massage wheels 13 can be driven to move upwards to perform massage on, the massage device is reasonable in design and convenient to operate, the two massage wheels 13 are conveniently driven to move up and down to massage the spines of athletes back and forth, the massage wheels 13 are conveniently driven to circularly squeeze and massage the spines of the athletes while the massage wheels 13 massage back and forth up and down, the massage positions are increased, the massage rehabilitation effect is improved, and the use requirements of the athletes are met.

In this embodiment, a threaded hole 26 is formed at the top of the cross bar 23, the threaded hole 26 is in threaded connection with the screw 21, a limit through hole 27 is formed on the inner wall of one side of the rectangular groove 4 close to the mounting groove 17, the inner walls of both sides of the limit through hole 27 are respectively in movable contact with both sides of the push rod 14, a limit groove 28 is formed at the top of the cross bar 23, a limit block 29 is fixedly mounted on the inner wall of the top of the first groove 22, the limit block 29 is in sliding connection with the limit groove 28, a first through hole 30 is formed on the inner wall of one side of the U-shaped groove 7 close to the mounting groove 17, the first through hole 30 is in sliding connection with the push rod 14, second through holes are formed on the inner walls of the top and the bottom of the first through hole 30, the two second through holes are both in sliding connection with the slide rod 5, the inner walls of both sides of the first rectangular hole 16 are respectively, the inner wall of the bottom of the mounting groove 17 is welded with a second bearing, the inner ring of the second bearing is fixedly sleeved with the outer side of the screw 21, the number of the arc-shaped blocks 25 is six to eight, six to eight arc-shaped blocks 25 are arranged on the inner wall of one side of the mounting groove 17 away from the rectangular groove 4 at equal intervals, the number of the second springs 24 is two to four, two to four second springs 24 are arranged on the inner wall of one side of the first groove 22 away from the opening of the first groove 22 at equal intervals, the athlete leans against the two massage wheels 13 when using the pull rope 2 to train, the servo motor 20 is started in the forward direction, the servo motor 20 drives the screw 21 to rotate, the screw 21 can drive the cross rod 23 to move downwards, the cross rod 23 drives the sliding seat 6 to slide downwards on the sliding rod 5 through the push rod 14, the sliding seat 6 drives two sliding blocks 10 to move downwards through two positioning rods 9, the sliding blocks 10 drive a rotating shaft 12 to move downwards through a first bearing 11, the rotating shaft 12 drives two massage wheels 13 to move downwards to massage along the back of a sportsman, the sliding blocks 14, the balls 18, the arc-shaped blocks 25, the second springs 24, the first springs 15, the first bearing 11 and the rotating shaft 12 are matched with the massage wheels 13, the push rod 14 further drives the balls 18 to extrude one arc-shaped block 25 of the arc-shaped blocks 25 downwards, under the action of extrusion force, the balls 18 move and drive the push rod 14 to compress the second springs 24, the push rod 14 drives the first bearing 11 to move transversely through the first spring 15, the first bearing 11 drives the massage wheels 13 to extrude and massage the back of the sportsman through the rotating shaft 12, when the balls 18 are staggered with one arc-shaped block 25, the second springs 24 in a compression state are reset at the moment and drive the first spring 15 to reset through the push rod 14, the first spring 15 pulls the rotating shaft 12 to reset through the first bearing 11, the rotating shaft 12 drives the two massage wheels 13 to reset, the plurality of arc-shaped blocks 25 are arranged, so that the push rod 14 can be driven to reciprocate and move transversely to perform reciprocating extrusion massage on the back of a sportsman, when the bottom of the push rod 14 is in contact with the inner wall of the bottom of the limiting through hole 27, the servo motor 20 is reversely started, the massage wheels 13 can be driven to move upwards to perform massage on the back of the sportsman from bottom to top, the massage device is reasonable in design and convenient to operate, the two massage wheels 13 are conveniently driven to move upwards and downwards to perform back-and-forth massage on the back of the sportsman, the massage wheels 13 are conveniently driven to perform circular extrusion massage on the back of the sportsman while performing back.

In this embodiment, when in use, the athlete leans against the two massage wheels 13 when training with the pull rope 2, at this time, the servo motor 20 is started in the forward direction, the output shaft of the servo motor 20 drives the screw rod 21 to rotate, the screw rod 21 rotates to drive the cross rod 23 to move downwards under the action of the threaded hole 26, the cross rod 23 drives the push rod 14 to move downwards through the first groove 22, the push rod 14 drives the sliding seat 6 to move downwards, the sliding seat 6 slides downwards on the sliding rod 5, the sliding seat 6 drives the two positioning rods 9 to move downwards, the positioning rods 9 drive the first bearing 11 to move downwards through the sliding block 10, the first bearing 11 drives the rotating shaft 12 to move downwards, the rotating shaft 12 drives the two massage wheels 13 to move downwards and rotate along with the back of the athlete, so as to massage from top to bottom, the push rod 14 drives the balls 18 to move downwards while moving downwards, the balls 18 extrude one arc-shaped block 25 of the plurality of arc, under the action of extrusion force, the ball 18 moves towards the direction close to the screw 21, the ball 18 drives the push rod 14 to move, the push rod 14 compresses the second spring 24, the push rod 14 drives the limit block 29 to slide in the limit groove 28, simultaneously, the push rod 14 drives the first spring 15 to move to extrude the first bearing 11, under the action of extrusion force, the first bearing 11 is enabled to move, the first bearing 11 drives the two sliders 10 to respectively slide on the corresponding locating rods 9, simultaneously, the first bearing 11 drives the rotating shaft 12 to move towards the direction far away from the ball 18, the rotating shaft 12 drives the massage wheel 13 to extrude and massage the back vertebra of the athlete, when the ball 18 is staggered with one arc-shaped block 25, the plurality of second springs 24 in the compression state at the moment reset, the elastic force of the second springs 24 drives the push rod 14 to slide and reset on the cross rod 23, the push rod 14 pulls the first bearing 11 to reset through the first spring 15, first bearing 11 drives pivot 12 and resets, pivot 12 drives two massage wheels 13 and resets, the setting of a plurality of arc pieces 25, make and to drive the reciprocal lateral shifting of push rod 14, thereby reach and drive massage wheel 13 and to the reciprocal extrusion massage in sportsman's back, improve vertebra rehabilitation training effect, when the bottom of push rod 14 and the bottom inner wall contact of spacing through-hole 27, reverse start servo motor 20, can drive massage wheel 13 rebound and massage sportsman's back from supreme down, make and to drive two massage wheels 13 and reciprocate and carry out the massage of making a round trip up and down to sportsman's back vertebra, and be convenient for drive massage wheel 13 and to the massage of sportsman's back circulation extrusion massage.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. Ligament vertebra rehabilitation therapeutic apparatus for sports medicine, including the therapeutic apparatus body, the therapeutic apparatus body includes roating seat (1) and installs two stay cords (2) on roating seat (1), and two stay cords (2) symmetry set up, its characterized in that, the top fixed mounting of roating seat (1) has mount pad (3), and mount pad (3) are located between two stay cords (2), rectangular channel (4) have been seted up to one side of mount pad (3), and be equipped with sliding seat (6) in rectangular channel (4), U-shaped groove (7) that both sides are the opening setting have been seted up to one side of sliding seat (6), and all seted up spout (8) on the top inner wall and the bottom inner wall of U-shaped groove (7), fixed mounting one locating lever (9) respectively on the both sides inner wall of spout (8), and sliding sleeve is equipped with slider (10) on locating lever (9), one side that two sliders (10) are close to each other all extends to in the U-shaped groove (7) and welds same first bearing (11), the fixed cover is equipped with pivot (12) in the inner circle of first bearing (11), and the both ends of pivot (12) all extend to outside first bearing (11) and fixed mounting have massage wheel (13), one side of two massage wheels (13) all extends to outside mount pad (3), one side of rectangular channel (4) is equipped with mounting groove (17) of seting up at mount pad (3) top, is equipped with push rod (14) in U-shaped groove (7), and the one end that first bearing (11) was kept away from to push rod (14) extends to in mounting groove (17) and nests has ball (18), the welding has a plurality of first spring (15) between the one end that push rod (14) is close to first bearing (11) and the outer lane of first bearing (11), and first rectangular hole (16) have been seted up at the top of push rod (14), the welding has slide bar (5) on the top inner wall of rectangular channel (4), and the bottom of slide bar (5) run through first rectangular hole (16) and with the bottom inner wall welding of rectangular channel (4), sliding seat (6) slip cap is established on slide bar (5), be equipped with in mounting groove (17) and set up second rectangular hole (19) at push rod (14) top, the top fixed mounting of mount pad (3) has servo motor (20), and the output shaft of servo motor (20) extends to in mounting groove (17) and fixed mounting has screw rod (21), the bottom of screw rod (21) and the bottom inner wall rotation installation of mounting groove (17), first groove (22) have been seted up on second rectangular hole (19) one side inner wall that is close to ball (18), and the slip cap is equipped with horizontal pole (23) in first groove (22), horizontal pole (23) thread bush is established on screw rod (21), one end of the cross rod (23) close to the ball (18) and the first groove (22) are far away from a plurality of second springs (24) fixedly connected between the inner walls of one side of the opening, the other end of the cross rod (23) is in contact with the inner wall of the other side of the second rectangular hole (19), the mounting groove (17) is far away from the inner wall of one side of the rectangular groove (4) and is welded with a plurality of arc-shaped blocks (25), the arc-shaped blocks (25) are matched with the ball (18), and the ball (18) is in rolling contact with the top of one arc-shaped block (25) in the arc-shaped blocks (25).

2. The ligament spine rehabilitation therapy instrument for sports medicine according to claim 1, wherein a threaded hole (26) is formed in the top of the cross rod (23), and the threaded hole (26) is in threaded connection with the screw rod (21).

3. The ligament spine rehabilitation therapy instrument for sports medicine according to claim 1, wherein a limiting through hole (27) is formed in the inner wall of one side, close to the mounting groove (17), of the rectangular groove (4), and the inner walls of two sides of the limiting through hole (27) are respectively in movable contact with two sides of the push rod (14).

4. The ligament spine rehabilitation therapy instrument for sports medicine according to claim 1, wherein a limiting groove (28) is formed in the top of the cross rod (23), a limiting block (29) is fixedly mounted on the inner wall of the top of the first groove (22), and the limiting block (29) is slidably connected with the limiting groove (28).

5. The ligament spine rehabilitation therapy instrument for sports medicine according to claim 1, wherein a first through hole (30) is formed in an inner wall of one side of the U-shaped groove (7) close to the mounting groove (17), the first through hole (30) is slidably connected with the push rod (14), second through holes are formed in the inner walls of the top and the bottom of the first through hole (30), and the two second through holes are slidably connected with the slide rod (5).

6. The ligament spine rehabilitation therapy instrument for sports medicine according to claim 1, wherein the inner walls of the two sides of the first rectangular hole (16) are respectively in movable contact with the two sides of the sliding rod (5).

7. The ligament spine rehabilitation therapy instrument for sports medicine according to claim 1, wherein a third through hole is formed in one side of the sliding block (10), and the third through hole is in sliding connection with the corresponding positioning rod (9).

8. The ligament spine rehabilitation therapy instrument for sports medicine according to claim 1, wherein a second bearing is welded on the inner wall of the bottom of the mounting groove (17), and the inner ring of the second bearing is fixedly sleeved with the outer side of the screw rod (21).

9. The ligament spine rehabilitation therapy instrument for sports medicine according to claim 1, wherein the number of the arc-shaped blocks (25) is six to eight, and the six to eight arc-shaped blocks (25) are arranged on the inner wall of one side of the mounting groove (17) far away from the rectangular groove (4) at equal intervals.

10. The ligamentum spine rehabilitation apparatus for sports medicine according to claim 1, wherein the number of the second springs (24) is two to four, and the two to four second springs (24) are disposed at equal intervals on an inner wall of a side away from the open end of the first groove (22).