CN113856162B - Gravity-adjustable arm fracture rehabilitation training device - Google Patents

Abstract

The invention discloses a gravity-adjustable arm fracture rehabilitation training device, which relates to the field of human body rehabilitation training equipment, comprising: a support plate. In the present invention, by setting the rotating mechanism and the linkage mechanism, the patient drives the first fixed shell to slide on the support plate with the swinging arm, so that the first large spur gear slides and rotates through the arc-shaped rack, and the first large spur gear rotates through a set of second small spur gears. Rotationally pushes one end of the second ring gear rack to move to the inner wall of the second fixed shell, pushes multiple groups of first small spur gears to rotate, and pushes one end of the first ring gear rack to move to the second fixed shell, so that multiple groups of second small spur gears are rotated. The gear rotates, so that the multiple groups of the first spur gear and the second spur gear rotate synchronously, thereby driving the second massage roller and the first massage roller to rotate to massage the patient's arm. The function of massaging the patient's arm during the training process is realized, and the rehabilitation of the patient's arm is accelerated.

Description

A gravity-adjustable arm fracture rehabilitation training device

technical field

The invention relates to the field of human body rehabilitation training equipment, in particular to an arm fracture rehabilitation training device with adjustable gravity.

Background technique

Generally, patients with arm movement disorders due to arm fracture, hemiplegia or stroke, etc., need to restore the muscle function and nerve function of the arm through arm rehabilitation training. However, conventional rehabilitation training needs to be accompanied by a doctor, and the treatment cost is high and time also restricted.

The existing arm rehabilitation training device cannot massage the arm during the arm training process, and requires medical staff to massage the patient's arm, which increases the burden on the medical staff. The existing arm rehabilitation training device cannot adjust the movement of the arm at any time. Resistance, only requires the patient to use a little force for rehabilitation training, thereby reducing the effect of the patient's arm rehabilitation training.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a gravity-adjustable arm fracture rehabilitation training device in order to solve the problem that the arm cannot be massaged during the arm training process and the arm rehabilitation training device cannot adjust the resistance of the arm movement at any time.

In order to achieve the above purpose, the present invention provides the following technical solutions: a gravity-adjustable arm fracture rehabilitation training device, comprising:

support plate;

a first arc-shaped block, the first arc-shaped block is slidably connected to the inner wall of the support plate;

a first fixing shell, the first fixing shell is fixedly connected to the top end of the first arc-shaped block;

a first massage roller, which is rotatably connected to the inner wall of the first fixed shell;

a second fixed shell, the second fixed shell is mounted on the top of the first fixed shell;

a second massage roller, the second massage roller is rotatably connected to the inner wall of the second fixed shell;

a bolt, which is rotatably connected at the connection position of the second fixing shell and the first fixing shell;

A rotating mechanism, located on the inner walls of the first fixed shell and the second fixed shell, is used to rotate the first massage roller and the second massage roller;

The linkage mechanism is located on the inner wall of the first fixed shell and the support plate, and is used to enable the first fixed shell to drive the first massage roller and the second massage roller to rotate synchronously during the moving process;

an adjusting mechanism, located on the inner wall of the support plate, for adjusting the resistance of the first fixed shell when moving;

The connecting mechanism is located on the outer wall of the first arc-shaped block, which facilitates the sliding of the first arc-shaped block on the inner wall of the support plate.

As a further solution of the present invention: the rotating mechanism includes a first spur pinion, a first ring rack, a second ring rack and a second spur pinion, the first spur pinion is rotatably connected to the second fixed pinion The inner wall of the shell, the first annular rack is slidably connected to the inner wall of the second fixed shell, the first spur pinion is meshed with the first annular rack, and the second annular rack is slidably connected to the first fixed shell The second pinion spur gear is rotatably connected to the inner wall of the first fixed shell, and the second pinion spur gear is meshed with the second ring gear rack.

As a further solution of the present invention: the linkage mechanism includes an arc-shaped rack and a first large spur gear, the first large spur gear is rotatably connected to the inner wall of the first fixed shell, and the first large spur gear is connected to the second large spur gear. The small spur gears are meshed and connected, the arc-shaped rack is fixedly connected to the inner wall of the support plate, and the arc-shaped rack is meshed with the first large spur gear.

As a further solution of the present invention: the adjustment mechanism includes a screw rod, a first arc-shaped plate, a second large spur gear, a second arc-shaped plate, a third large spur gear and a first moving block, the first arc-shaped plate The shaped plate is rotatably connected to the inner wall of the supporting plate, the second arc-shaped plate is fixedly connected to one end of the first arc-shaped plate, the screw rod is rotatably connected to the inner wall of the supporting plate, and the second arc-shaped plate is rotatably connected to the inner wall of the supporting plate. The inner wall of the support plate, the second arc-shaped plate is located on one side of the first arc-shaped plate, the third large spur gear is sleeved on the outer wall of the second arc-shaped plate, and the second large spur gear is sleeved on the first arc-shaped plate. The outer wall of a curved plate.

As a further solution of the present invention: the connecting mechanism includes a second arc-shaped block, a telescopic rod, a rolling ball, a spring, a chute and a connecting frame, and the second arc-shaped block is fixedly connected to the outer wall of the first arc-shaped block , the telescopic rod is fixedly connected to the bottom end of the second arc-shaped block, the connecting frame is fixedly connected to the bottom end of the telescopic rod, the rolling ball is rotatably connected to the inner wall of the connecting frame, and one end of the spring is fixedly connected to The bottom end of the second arc-shaped block and the other end of the spring are fixedly connected to the bottom end of the connecting frame, and the chute is opened on the inner wall of the support plate.

As a further solution of the present invention: the outer wall of the second small spur gear is fixedly connected with a connecting rod, one end of the second small spur gear is fixedly connected with the first massage roller through the connecting rod, and the second small spur gear is fixedly connected with the first massage roller. A plurality of groups are provided, the outer wall of the second annular rack is fixedly connected with a second moving block, and the second annular rack is rotatably connected to the first fixed shell through the second moving block of the outer wall.

As a further solution of the present invention: a connecting rod is fixedly connected to the outer wall of the first small spur gear, the first small spur gear is fixedly connected to the second massage roller through the connecting rod that is fixedly connected to the outer wall, and the first small spur gear is fixedly connected to the second massage roller. There are multiple groups of spur gears, a third moving block is fixedly connected to the outer wall of the first ring gear rack, and the first ring gear rack is rotatably connected to the second fixed shell through the third moving block fixedly connected to the outer wall.

As a further solution of the present invention: the outer wall of the first moving block is fixedly connected with a fourth moving block, the first moving block is slidably connected to the support plate through the fourth moving block fixedly connected to the outer wall, and the first moving block is slidably connected to the support plate. The block is sleeved on the outer wall of the lead screw.

As a further solution of the present invention: the outer wall of the first arc-shaped plate is fixedly connected with a rotating shaft, the second large spur gear is sleeved on the rotating shaft of the outer wall of the first arc-shaped plate, and the inner wall of the support plate is provided with There is a rotating groove matching with the first arc-shaped plate, the outer wall of the second arc-shaped plate is fixedly connected with a rotating shaft, the third large spur gear is sleeved on the rotating shaft of the outer wall of the second arc-shaped plate, and the The third large spur gear is meshed and connected with the second large spur gear, and the inner wall of the support plate is provided with a rotation groove matching with the second arc-shaped plate.

Compared with the prior art, the beneficial effects of the present invention are:

1. By setting the rotating mechanism and the linkage mechanism, the patient drives the first fixed shell to slide on the support plate with the swinging arm, so that the first large spur gear slides and rotates through the arc-shaped rack, and passes through a set of second small spur gears. Rotationally pushes one end of the second ring gear rack to move to the inner wall of the second fixed shell, pushes multiple groups of first small spur gears to rotate, and pushes one end of the first ring gear rack to move to the second fixed shell, so that multiple groups of second small spur gears rotate. The gear rotates, so that multiple groups of the first spur gear and the second spur gear rotate synchronously, thereby driving the second massage roller and the first massage roller to rotate to massage the patient's arm. The function of massaging the patient's arm during the training process is realized, and the rehabilitation of the patient's arm is accelerated;

2. By setting the adjusting mechanism and the connecting mechanism, the manual can rotate the screw rod to drive the first moving block to move upwards according to the requirements, so that one end of the first arc-shaped plate is raised, and the other group of the first arc-shaped plate rotates to drive the first moving block. The two large spur gears rotate, and the second largest spur gear rotates to drive the third large spur gear to rotate, so that one end of the second arc-shaped plate rotates to a position flush with the first arc-shaped plate. When driving the first arc-shaped block to slide, the first arc-shaped block drives the second arc-shaped block to slide on the inner wall of the chute, so that the ball slides on the first arc-shaped plate, and is adjusted by one end of the first arc-shaped plate The height of the ball is different, so that when the ball slides on the first arc plate, the spring is squeezed by different resistance, so that the resistance of the ball acts on the first arc block, and the first arc block is affected by different resistance and The first fixed shell makes the patient need to use a certain force to drive the first fixed shell to move when they need to use the arm, so as to speed up the rehabilitation of the arm. Through the cooperation of the above multiple sets of parts, it is possible to increase the patient's arm in the process of training the patient's arm. The gravity of the patient's arm enables a good training of the patient's arm, thereby speeding up the rehabilitation of the patient's arm.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is a sectional view of the present invention;

Fig. 3 is the enlarged view of A place of the present invention;

Fig. 4 is the enlarged view of B place of the present invention;

5 is a cross-sectional view of a support plate of the present invention;

Fig. 6 is the enlarged view of C place of the present invention;

7 is a top sectional view of the support plate of the present invention.

In the figure: 1. Support plate; 2. Arc-shaped rack; 3. The first arc-shaped block; 4. Screw rod; 5. Bolt; 6. The first fixed shell; 7. The first massage roller; 8. The second Massage roller; 9. The second fixed shell; 10. The first small spur gear; 11. The first annular rack; 12. The second annular rack; 13. The second small spur gear; 14. The first large spur gear; 15, the first arc plate; 16, the second arc block; 17, the telescopic rod; 18, the ball; 19, the second large spur gear; 20, the spring; 21, the second arc plate; 22, the third Large spur gear; 23, chute; 24, first moving block; 25, connecting frame.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation or a specific orientation. construction and operation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first", "second", and "third" are used for descriptive purposes only and should not be construed to indicate or imply relative importance. In the description of the present invention, it should be noted that the terms "installed", "connected", "connected" and "arranged" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection, or It can be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations. The embodiments of the present invention will be described below based on the overall structure of the present invention.

Referring to FIGS. 1 to 7 , in an embodiment of the present invention, a gravity-adjustable arm fracture rehabilitation training device includes:

support plate 1;

The first arc-shaped block 3, the first arc-shaped block 3 is slidably connected to the inner wall of the support plate 1;

a first fixed shell 6, the first fixed shell 6 is fixedly connected to the top of the first arc-shaped block 3;

The first massage roller 7, the first massage roller 7 is rotatably connected to the inner wall of the first fixed shell 6;

The second fixed shell 9, the second fixed shell 9 is installed on the top of the first fixed shell 6;

The second massage roller 8, the second massage roller 8 is rotatably connected to the inner wall of the second fixed shell 9;

Bolt 5, the bolt 5 is rotatably connected at the connection position of the second fixed shell 9 and the first fixed shell 6;

A rotating mechanism, located on the inner walls of the first fixed shell 6 and the second fixed shell 9, is used to rotate the first massage roller 7 and the second massage roller 8;

The linkage mechanism, located on the inner wall of the first fixed shell 6 and the support plate 1, is used to enable the first fixed shell 6 to drive the first massage roller 7 and the second massage roller 8 to rotate synchronously during the moving process;

An adjustment mechanism, located on the inner wall of the support plate 1, is used to adjust the resistance when the first fixed shell 6 moves;

The connecting mechanism is located on the outer wall of the first arc-shaped block 3 to facilitate the sliding of the first arc-shaped block 3 on the inner wall of the support plate 1 .

Please refer to FIGS. 2 to 3. The rotating mechanism includes a first spur pinion 10, a first ring rack 11, a second ring rack 12 and a second spur pinion 13. The first spur pinion 10 is rotatably connected to the second spur gear 10. The inner wall of the fixed shell 9, the first annular rack 11 is slidably connected to the inner wall of the second fixed shell 9, the first spur pinion 10 is meshed with the first annular rack 11, and the second annular rack 12 is slidably connected to the first annular rack 11. The inner wall of a fixed shell 6, the second spur gear 13 is rotatably connected to the inner wall of the first fixed shell 6, and the second spur gear 13 is meshed with the second ring gear rack 12, which is convenient for the coordination of the above multiple groups of parts. The first spur pinion 10 and the second spur pinion 13 rotate synchronously.

Please refer to FIGS. 2 and 4 , the linkage mechanism includes an arc-shaped rack 2 and a first large spur gear 14 . The first large spur gear 14 is rotatably connected to the inner wall of the first fixed housing 6 , and the first large spur gear 14 is connected to the first large spur gear 14 . The second small spur gear 13 is meshed and connected, the arc-shaped rack 2 is fixedly connected to the inner wall of the support plate 1, and the arc-shaped rack 2 is meshed with the first large spur gear 14, which is convenient to realize the first When the fixed shell 6 moves, the second spur gear 13 is driven to rotate.

Please refer to Figures 5 to 7. The adjustment mechanism includes a screw rod 4, a first arc-shaped plate 15, a second large spur gear 19, a second arc-shaped plate 21, a third large spur gear 22 and a first moving block 24. An arc-shaped plate 15 is rotatably connected to the inner wall of the support plate 1, the second arc-shaped plate 21 is fixedly connected to one end of the first arc-shaped plate 15, the screw rod 4 is rotatably connected to the inner wall of the support plate 1, and the second arc-shaped plate 21 It is rotatably connected to the inner wall of the support plate 1, and the second arc-shaped plate 21 is located on one side of the first arc-shaped plate 15. The third large spur gear 22 is sleeved on the outer wall of the second arc-shaped plate 21. The second large spur gear 19 is sleeved on the outer wall of the first arc-shaped plate 15, so that the first arc-shaped plate 15 and the second arc-shaped plate 21 can rotate synchronously.

Please refer to FIG. 5 and FIG. 6 , the connecting mechanism includes a second arc-shaped block 16 , a telescopic rod 17 , a rolling ball 18 , a spring 20 , a sliding groove 23 and a connecting frame 25 , and the second arc-shaped block 16 is fixedly connected to the first arc-shaped block 16 . The outer wall of the block 3, the telescopic rod 17 is fixedly connected to the bottom end of the second arc block 16, the connecting frame 25 is fixedly connected to the bottom end of the telescopic rod 17, the rolling ball 18 is rotatably connected to the inner wall of the connecting frame 25, the spring 20 One end is fixedly connected to the bottom end of the second arc-shaped block 16, and the other end of the spring 20 is fixedly connected to the bottom end of the connecting frame 25. The chute 23 is opened on the inner wall of the support plate 1, which is convenient for the first arc-shaped block 3 to be installed in the second arc-shaped block 3. The inner wall of a fixed shell 6 slides.

Please refer to FIG. 2 and FIG. 3. A connecting rod is fixedly connected to the outer wall of the second small spur gear 13. One end of the second small spur gear 13 is fixedly connected to the first massage roller 7 through the connecting rod. The second small spur gear 13 is provided with There are multiple groups, the outer wall of the second ring rack 12 is fixedly connected with a second moving block, and the second ring rack 12 is rotatably connected to the first fixed shell 6 through the second moving block of the outer wall, so that the second ring rack 12 can be rotatably connected to the first fixed shell 6. The inner wall of a fixed housing 6 slides, thereby driving a plurality of groups of second pinion spur gears 13 to rotate.

Please refer to FIG. 2 and FIG. 3 , the outer wall of the first small spur gear 10 is fixedly connected with a connecting rod, the first small spur gear 10 is fixedly connected with the second massage roller 8 through the connecting rod fixedly connected with the outer wall, and the first small spur gear 10 is fixedly connected with the second massage roller 8 10 is provided with multiple groups, the outer wall of the first annular rack 11 is fixedly connected with a third moving block, and the first annular rack 11 is rotatably connected to the second fixed shell 9 through the third moving block fixedly connected to the outer wall, so that the first The ring gear 11 rotates on the inner wall of the second fixed shell 9, thereby driving the plurality of groups of the first spur pinion gears 10 to rotate synchronously.

Please refer to FIG. 7 , the outer wall of the first moving block 24 is fixedly connected with a fourth moving block, the first moving block 24 is slidably connected to the support plate 1 through the fourth moving block fixedly connected to the outer wall, and the first moving block 24 is sleeved on On the outer wall of the screw rod 4 , it is convenient for the first moving block 24 to slide on the outer wall of the screw rod 4 .

5 and 6, the outer wall of the first arc-shaped plate 15 is fixedly connected with a rotating shaft, the second large spur gear 19 is sleeved on the rotating shaft of the outer wall of the first arc-shaped plate 15, and the inner wall of the support plate 1 is provided with The rotating groove matched with the first arc-shaped plate 15, the outer wall of the second arc-shaped plate 21 is fixedly connected with a rotating shaft, and the third large spur gear 22 is sleeved on the rotating shaft of the outer wall of the second arc-shaped plate 21. The spur gear 22 is meshed with the second large spur gear 19, and the inner wall of the support plate 1 is provided with a rotation slot matching the second arc-shaped plate 21, so that the first arc-shaped plate 15 and the second arc-shaped plate 21 can be rotated synchronously. .

The working principle of the present invention is as follows: first, when the patient needs to perform rehabilitation training on the arm, the arm that needs to be rehabilitated is placed on the first fixed shell 6, and then the second fixed shell 9 is installed on the first fixed shell 6. , screw the bolt 5 to fix the second fixed shell 9 and the first fixed shell 6, and then the patient drives the first fixed shell 6 to slide on the support plate 1 by swinging his arm, and the first fixed shell 6 is on the support plate 1. While sliding, the first large spur gear 14 is driven to slide, the first large spur gear 14 slides and rotates through the arc-shaped rack 2, and the first large spur gear 14 rotates to drive a group of second small spur gears 13 to rotate, thereby Push the second annular rack 12 to rotate on the inner wall of the first fixed shell 6 . When the second annular rack 12 rotates and contacts the first annular rack 11 , push the first annular rack 11 to rotate on the inner wall of the second fixed shell 9 . Rotate, so that one end of the second ring gear 12 moves to the inner wall of the second fixed shell 9 to contact with multiple groups of first spur pinion gears 10, and pushes multiple groups of first spur pinion gears 10 to rotate, one end of the second ring rack 12 While moving to the second fixed shell 9, the first annular rack 11 moves to the inner wall of the first fixed shell 6 to contact the multiple sets of second spur pinion gears 13, and push the multiple sets of second spur pinion gears 13 to rotate, so that the multiple sets of second spur pinion gears 13 are rotated. The first spur gear 10 and the second spur gear 13 rotate synchronously, thereby respectively driving the second massage roller 8 and the first massage roller 7 to rotate to massage the patient's arm. When it is necessary to increase the gravity of the patient's arm when moving, Manually, the screw 4 can be rotated to drive the first moving block 24 to move upward, so that one end of the first arc-shaped plate 15 is raised, and the other group of the first arc-shaped plate 15 is rotated to drive the second large spur gear 19 Rotating, the second large spur gear 19 rotates to drive the third large spur gear 22 to rotate, so that one end of the second arc-shaped plate 21 is rotated to a position flush with the first arc-shaped plate 15. 6 When the first arc-shaped block 3 is driven to slide, the first arc-shaped block 3 drives the second arc-shaped block 16 to slide on the inner wall of the chute 23, so that the ball 18 slides on the first arc-shaped plate 15, The heights of one end of the first arc-shaped plate 15 are adjusted differently, so that the rolling ball 18 is subjected to different resistances when sliding on the first arc-shaped plate 15 to squeeze the spring 20, so that the resistance of the rolling ball 18 acts on the first arc-shaped block 3. The first arc-shaped block 3 is subjected to different resistance effects on the first fixed shell 6, so that when the patient needs to use the arm, the first fixed shell 6 needs to be moved with a certain force, thereby speeding up the rehabilitation of the arm.

The above are only preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. The equivalent replacement or modification of the solution and its inventive concept shall be included within the protection scope of the present invention.

Claims (9)

1. a gravity-adjustable arm fracture rehabilitation training device is characterized in that, comprising: support plate (1); a first arc-shaped block (3), the first arc-shaped block (3) is slidably connected to the inner wall of the support plate (1); a first fixed shell (6), the first fixed shell (6) is fixedly connected to the top end of the first arc-shaped block (3); a first massage roller (7), the first massage roller (7) is rotatably connected to the inner wall of the first fixed shell (6); a second fixed shell (9), the second fixed shell (9) is mounted on the top of the first fixed shell (6); The second massage roller (8), the second massage roller (8) is rotatably connected to the inner wall of the second fixed shell (9); a bolt (5), the bolt (5) is rotatably connected at the connection position of the second fixing shell (9) and the first fixing shell (6); A rotating mechanism, located on the inner walls of the first fixed shell (6) and the second fixed shell (9), is used to rotate the first massage roller (7) and the second massage roller (8); The linkage mechanism is located on the inner walls of the first fixed shell (6) and the support plate (1), and is used to enable the first fixed shell (6) to drive the first massage roller (7) and the second massage roller ( 8) Perform synchronous rotation; an adjustment mechanism, located on the inner wall of the support plate (1), for adjusting the resistance of the first fixed shell (6) when moving; The connecting mechanism is located on the outer wall of the first arc-shaped block (3), which facilitates the sliding of the first arc-shaped block (3) on the inner wall of the support plate (1). 2. A gravity-adjustable arm fracture rehabilitation training device according to claim 1, wherein the rotating mechanism comprises a first spur pinion (10), a first annular rack (11), a second A ring rack (12) and a second spur gear (13), the first spur gear (10) is rotatably connected to the inner wall of the second fixed shell (9), and the first ring rack (11) slides Connected to the inner wall of the second fixed shell (9), and the first spur pinion (10) is meshed with the first annular rack (11), and the second annular rack (12) is slidably connected to the first fixed shell (6), the second spur gear (13) is rotatably connected to the inner wall of the first fixed shell (6), and the second spur gear (13) is meshed with the second ring gear (12). 3. A gravity-adjustable arm fracture rehabilitation training device according to claim 2, wherein the linkage mechanism comprises an arc-shaped rack (2) and a first large spur gear (14), and the first large spur gear (14). A large spur gear (14) is rotatably connected to the inner wall of the first fixed shell (6), and the first large spur gear (14) is meshed with the second small spur gear (13). The arc-shaped rack (2) It is fixedly connected to the inner wall of the support plate (1), and the arc-shaped rack (2) is engaged with the first large spur gear (14). 4. A gravity-adjustable arm fracture rehabilitation training device according to claim 1, wherein the adjustment mechanism comprises a screw rod (4), a first arc-shaped plate (15), a second large spur gear (19), the second arc-shaped plate (21), the third large spur gear (22) and the first moving block (24), the first arc-shaped plate (15) is rotatably connected to the inner wall of the support plate (1) , the second arc-shaped plate (21) is fixedly connected to one end of the first arc-shaped plate (15), the screw rod (4) is rotatably connected to the inner wall of the support plate (1), and the second arc-shaped plate (21) is rotatably connected to the inner wall of the support plate (1), and the second arc-shaped plate (21) is located on one side of the first arc-shaped plate (15), and the third large spur gear (22) is sleeved on the first arc-shaped plate (22). The outer walls of the two arc-shaped plates (21), and the second large spur gear (19) is sleeved on the outer wall of the first arc-shaped plate (15). 5. A gravity-adjustable arm fracture rehabilitation training device according to claim 1, wherein the connecting mechanism comprises a second arc-shaped block (16), a telescopic rod (17), a rolling ball (18) , a spring (20), a chute (23) and a connecting frame (25), the second arc-shaped block (16) is fixedly connected to the outer wall of the first arc-shaped block (3), and the telescopic rod (17) is fixed is connected to the bottom end of the second arc-shaped block (16), the connecting frame (25) is fixedly connected to the bottom end of the telescopic rod (17), and the rolling ball (18) is rotatably connected to the inner wall of the connecting frame (25) , one end of the spring (20) is fixedly connected to the bottom end of the second arc-shaped block (16), and the other end of the spring (20) is fixedly connected to the bottom end of the connecting frame (25). ) is opened on the inner wall of the support plate (1). 6. A gravity-adjustable arm fracture rehabilitation training device according to claim 2, characterized in that a connecting rod is fixedly connected to the outer wall of the second spur gear (13), and the second spur gear (13) is fixedly connected with a connecting rod. One end of (13) is fixedly connected to the first massage roller (7) through a connecting rod, the second pinion spur gear (13) is provided with multiple groups, and the outer wall of the second annular rack (12) is fixedly connected with the first massage roller (7). Two moving blocks, the second ring gear rack (12) is rotatably connected to the first fixed shell (6) through the second moving block of the outer wall. 7. A gravity-adjustable arm fracture rehabilitation training device according to claim 2, characterized in that a connecting rod is fixedly connected to the outer wall of the first spur gear (10), and the first spur gear (10) is fixedly connected with a connecting rod. (10) The connecting rod fixedly connected with the outer wall is fixedly connected with the second massage roller (8), the first small spur gear (10) is provided with multiple groups, and the outer wall of the first annular rack (11) is fixedly connected There is a third moving block, and the first annular rack (11) is rotatably connected with the second fixed shell (9) through the third moving block fixedly connected with the outer wall. 8. A gravity-adjustable arm fracture rehabilitation training device according to claim 4, wherein the outer wall of the first moving block (24) is fixedly connected with a fourth moving block, and the first moving block (24) A fourth moving block fixedly connected through the outer wall is slidably connected to the support plate (1), and the first moving block (24) is sleeved on the outer wall of the screw rod (4). 9. A gravity-adjustable arm fracture rehabilitation training device according to claim 4, wherein the outer wall of the first arc-shaped plate (15) is fixedly connected with a rotating shaft, and the second large spur gear (19) is sleeved on the rotation shaft of the outer wall of the first arc-shaped plate (15), the inner wall of the support plate (1) is provided with a rotating groove matching the first arc-shaped plate (15), and the second arc-shaped plate (15) The outer wall of the shaped plate (21) is fixedly connected with a rotating shaft, the third large spur gear (22) is sleeved on the rotating shaft of the outer wall of the second arc-shaped plate (21), and the third large spur gear (22) is connected with the rotating shaft. The second large spur gear (19) is meshed and connected, and the inner wall of the support plate (1) is provided with a rotation groove matching with the second arc-shaped plate (21).

Images