Hand rehabilitation training wrist developer with vibration feedback function

Abstract

The utility model relates to the technical field of hand-muscle developers, in particular to a hand rehabilitation training hand-muscle developer capable of achieving vibration feedback, which comprises two supporting vertical shells, the bottom of the inner cavity of each supporting vertical shell is fixedly connected with a tension spring, the top of each tension spring is fixedly connected with a mounting sliding block, and the mounting sliding blocks are fixedly connected with the supporting vertical shells. A movable holding rod is fixedly connected between the left mounting sliding block and the right mounting sliding block, movable sliding shells are slidably connected to the top of an inner cavity of the supporting vertical shell, a fixed pressing rod is fixedly connected between the left movable sliding shell and the right movable sliding shell, and a linear motor is fixedly connected to the middle of the top of the fixed pressing rod in a penetrating mode. And positioning frames are fixedly connected to the tops of the opposite sides of the left and right supporting vertical shells. The push plate pushes the button switch to be closed, the controller controls the linear motor to work after the circuit is switched on, the linear motor can prompt a user after vibrating, the user unloads the force after sensing the vibration, the movable holding rod moves downwards to be reset, and the movable holding rod is pulled circularly for training.

Description

Technical Field

[0001] The utility model relates to the technical field of handgrips, in particular to a handgrip for hand rehabilitation training with vibration feedback. Background Art

[0002] A hand gripper is a piece of fitness equipment specifically used to train grip strength. It usually consists of a handle and an adjustable resistance device. It is designed to train the strength of the fingers, wrists and forearms by squeezing the handles. Patients need to use a hand gripper during rehabilitation training.

[0003] After searching, the announcement number is CN215741667U, and the name is a utility model of a passive fist gripper, which includes a first grip bar, and a shell is fixedly installed on both sides of the first grip bar. Through research and analysis, it is found that although the problem that the grip strength of some existing grippers cannot be adjusted when facing different users, making it impossible for users to perform appropriate exercises, the following defects still exist to a certain extent.

[0004] For example, it does not have the function of vibration feedback. During the rehabilitation training, the user has poor perception due to damaged hand nerves. After the grip is fully pulled, it cannot be reminded in time by vibration to unload the force. The practicality is not good. Moreover, when adjusting the grip force, it is necessary to fix it by rotating the bolts. This operation is cumbersome and affects the adjustment efficiency. In order to solve the above technical problems, we have designed a hand rehabilitation training hand gripper with vibration feedback. Utility Model Content

[0005] The purpose of the utility model is to provide a hand gripper for hand rehabilitation training with vibration feedback, which has a vibration feedback function, can timely remind the user to unload force, has better practicality, and is more convenient and quick to adjust the grip strength. It solves the problem that it does not have a vibration feedback function, cannot timely remind the user to unload force, has poor practicality, and the grip strength adjustment operation is time-consuming and laborious.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hand gripper for hand rehabilitation training with vibration feedback, comprising a supporting vertical shell, wherein the number of the supporting vertical shells is two, the bottom of the inner cavity of the supporting vertical shell is fixedly connected with a tension spring, the top of the tension spring is fixedly connected with a mounting slider, a movable gripping rod is fixedly connected between the left and right mounting sliders, a movable sliding shell is slidably connected to the top of the inner cavity of the supporting vertical shell, a fixed pressure rod is fixedly connected between the left and right movable sliding shells, a linear motor is fixedly connected to the middle of the top of the fixed pressure rod, positioning frames are fixedly connected to the tops of the opposite sides of the left and right supporting vertical shells, the outer side of the movable sliding shell penetrates the supporting vertical shell and is fixedly connected with a plug-in slider, the bottom of the right supporting vertical shell is fixedly connected with a connecting vertical rod, and the bottom of the connecting vertical rod is fixedly connected with a button switch.

[0007] Preferably, the plug-in slider includes a positioning sliding shell, the front and rear sides of the inner cavity of the positioning sliding shell are movably connected with connecting slides, a positioning spring is fixedly connected between the front and rear connecting slides, and the side of the connecting slide away from the positioning spring is fixedly connected with a positioning plug plate, and the outer side of the positioning plug plate passes through the positioning sliding shell and the positioning frame in sequence.

[0008] Preferably, the top and bottom of the inner side and the top of the outer side of the supporting vertical shell are both provided with through openings, and the front and rear sides of the inner cavity of the positioning frame are both provided with positioning holes.

[0009] Preferably, a push rod is fixedly connected to the top of the right mounting slide block, and a battery module and a controller are fixedly connected to the inner cavity of the right movable slide shell.

[0010] Preferably, the outer surface of the fixed pressure rod is covered with a non-slip rubber sleeve, and a mounting opening is opened in the middle of the top of the non-slip rubber sleeve.

[0011] Preferably, an anti-slip groove is provided at the bottom of the movable grip rod, and the surface of the mounting slide block is slidably connected to the supporting vertical shell.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The push plate pushes the button switch to close. After the circuit is connected, the controller controls the linear motor to work. The linear motor vibrates to give a prompt to the user. After the user senses the vibration, the movable grip bar unloads the force and moves down to reset. The movable grip bar is pulled cyclically for training.

[0014] Push the connecting slides on both sides, the positioning plug plate is moved out of the positioning socket, push the anti-slip rubber sleeve downward, the positioning sliding shell moves downward in the positioning frame, loosen the connecting slides, and insert the positioning plug plate into the positioning socket to position the positioning sliding shell. This makes the adjustment operation more convenient and quick, and improves the adjustment efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an axonometric drawing of the structure of the utility model;

[0016] Figure 2 It is a sectional axonometric view of the supporting vertical shell and the movable sliding shell of the utility model;

[0017] Figure 3 It is a sectional isometric view of the fixed pressure rod of the utility model;

[0018] Figure 4 For this utility model Figure 3 A magnified view of middle;

[0019] Figure 5It is an axonometric drawing of the supporting vertical shell and the positioning frame of the utility model.

[0020] In the figure: 1. Support vertical shell; 2. Movable grip rod; 3. Through opening; 4. Positioning socket; 5. Anti-skid rubber sleeve; 6. Linear motor; 7. Plug-in slider; 8. Positioning frame; 9. Controller; 10. Battery module; 11. Connecting vertical rod; 12. Push button switch; 13. Push rod; 14. Tension spring; 15. Installing slider; 16. Movable sliding shell; 17. Fixed pressure rod; 18. Positioning plug plate; 19. Positioning sliding shell; 20. Positioning spring; 21. Connecting slide plate. DETAILED DESCRIPTION

[0021] See also Figure 1-Figure 5 A hand gripper for hand rehabilitation training with vibration feedback, comprising a supporting vertical shell 1, the number of the supporting vertical shells 1 is two, the bottom of the inner cavity of the supporting vertical shell 1 is fixedly connected with a tension spring 14, the top of the tension spring 14 is fixedly connected with a mounting slider 15, a movable grip rod 2 is fixedly connected between the left and right mounting sliders 15, a movable sliding shell 16 is slidably connected to the top of the inner cavity of the supporting vertical shell 1, a fixed pressure rod 17 is fixedly connected between the left and right movable sliding shells 16, a linear motor 6 is fixedly connected to the middle of the top of the fixed pressure rod 17, a positioning frame 8 is fixedly connected to the top of the opposite sides of the left and right supporting vertical shells 1, the outer side of the movable sliding shell 16 penetrates the supporting vertical shell 1 and is fixedly connected with a plug-in slider 7, the bottom of the right supporting vertical shell 1 is fixedly connected with a connecting vertical rod 11, and the bottom of the connecting vertical rod 11 is fixedly connected with a button switch 12;

[0022] See also Figure 4 The plug-in slider 7 includes a positioning sliding shell 19, and the front and rear sides of the inner cavity of the positioning sliding shell 19 are movably connected with a connecting slide 21, and a positioning spring 20 is fixedly connected between the front and rear connecting slides 21. By setting the positioning spring 20, it has the function of elastic support, and can push the positioning plugs 18 on both sides to be inserted into the positioning plug hole 4 by releasing the elastic potential energy. The side of the connecting slide 21 away from the positioning spring 20 is fixedly connected with the positioning plug 18, and the outer side of the positioning plug 18 passes through the positioning sliding shell 19 and the positioning frame 8 in turn. The front and rear sides of the outer side of the positioning sliding shell 19 are provided with sliding openings, and the outer side of the connecting slide 21 passes through the sliding opening and is fixedly connected with a push plate;

[0023] See also Figure 5 The top and bottom of the inner side of the supporting vertical shell 1 and the top of the outer side are both provided with through openings 3. By providing the through openings 3, the outer sides of the movable sliding shell 16 and the mounting slider 15 can be passed through to the outer side of the supporting vertical shell 1. The front and rear sides of the inner cavity of the positioning frame 8 are both provided with positioning holes 4;

[0024] See also Figure 2The top of the installation slider 15 on the right side is fixedly connected with a push rod 13, and the inner cavity of the movable sliding shell 16 on the right side is respectively fixedly connected with a battery module 10 and a controller 9;

[0025] See also Figure 1 The outer surface of the fixed pressure rod 17 is covered with a non-slip rubber sleeve 5. By providing the non-slip rubber sleeve 5, the comfort between the palm and the fixed pressure rod 17 can be improved. The middle part of the top of the non-slip rubber sleeve 5 is provided with an installation opening;

[0026] See also Figure 2 The bottom of the movable grip 2 is provided with an anti-skid groove, and the friction between the finger and the movable grip 2 can be increased by providing the anti-skid groove. The surface of the mounting slider 15 is slidably connected to the supporting vertical shell 1.

[0027] When in use, the grip strength of the gripper is adjusted according to the user's rehabilitation training intensity. The person pushes the connecting slides 21 on both sides, and the positioning plugs 18 on both sides are moved out of the positioning sockets 4. Then the anti-slip rubber sleeves 5 are pushed downward, and the positioning sliding shells 19 on both sides move downward in the positioning frame 8. When moved to the appropriate position, the connecting slides 21 are released, and the positioning springs 20 release the elastic force to push the positioning plugs 18 on both sides to insert into the positioning sockets 4 to position the positioning sliding shells 19, which can reduce the moving stroke of the movable grip bar 2 and thus reduce the grip strength. This adjustment operation is more convenient and quick, and the adjustment efficiency is improved. After the user holds the gripper, the fingers pull the movable grip bar 2 upward to the top, and the push rod 13 pushes the button switch 12 to close. After the circuit is connected, the controller 9 controls the linear motor 6 to work. Since the surface of the anti-slip rubber sleeve 5 is in contact with the palm, the linear motor 6 can give the user a prompt after vibrating. After the user senses the vibration, the force is unloaded and the movable grip bar 2 moves down and resets, and the movable grip bar 2 is pulled cyclically for training.

[0028] To sum up: the hand rehabilitation training hand gripper with vibration feedback, through the coordinated use of the supporting vertical shell 1, the movable grip rod 2, the positioning socket 4, the linear motor 6, the plug-in slider 7, the positioning frame 8, the button switch 12, the tension spring 14 and the mounting slider 15, solves the problems of lack of vibration feedback function, inability to timely remind the user to unload force, poor practicality, and time-consuming and laborious grip adjustment operation.

Claims

1. A hand gripper for hand rehabilitation training with vibration feedback, comprising a supporting vertical shell (1), characterized in that: The number of the supporting vertical shells (1) is two, the bottom of the inner cavity of the supporting vertical shell (1) is fixedly connected with a tension spring (14), the top of the tension spring (14) is fixedly connected with a mounting slide block (15), a movable gripping rod (2) is fixedly connected between the left and right mounting slide blocks (15), a movable sliding shell (16) is slidably connected to the top of the inner cavity of the supporting vertical shell (1), a fixed pressure rod (17) is fixedly connected between the left and right movable sliding shells (16), a linear motor (6) is fixedly connected to the middle of the top of the fixed pressure rod (17), the tops of the opposite sides of the left and right supporting vertical shells (1) are fixedly connected with a positioning frame (8), the outer side of the movable sliding shell (16) passes through the supporting vertical shell (1) and is fixedly connected with a plug-in slide block (7), the bottom of the right supporting vertical shell (1) is fixedly connected with a connecting vertical rod (11), and the bottom of the connecting vertical rod (11) is fixedly connected with a button switch (12).

2. A hand gripper for hand rehabilitation training with vibration feedback according to claim 1, characterized in that: The plug-in slider (7) comprises a positioning sliding shell (19), the front and rear sides of the inner cavity of the positioning sliding shell (19) are movably connected to connecting slide plates (21), a positioning spring (20) is fixedly connected between the front and rear connecting slide plates (21), a side of the connecting slide plate (21) away from the positioning spring (20) is fixedly connected to a positioning plug plate (18), and the outer side of the positioning plug plate (18) passes through the positioning sliding shell (19) and the positioning frame (8) in sequence.

3. The hand gripper for hand rehabilitation training with vibration feedback according to claim 1, characterized in that: The top and bottom of the inner side of the supporting vertical shell (1) and the top of the outer side are both provided with through openings (3), and the front and rear sides of the inner cavity of the positioning frame (8) are both provided with positioning holes (4).

4. The hand gripper for hand rehabilitation training with vibration feedback according to claim 1, characterized in that: The top of the installation slide block (15) on the right side is fixedly connected to a push rod (13), and the inner cavity of the movable slide shell (16) on the right side is respectively fixedly connected to a battery module (10) and a controller (9).

5. The hand gripper for hand rehabilitation training with vibration feedback according to claim 1, characterized in that: The outer surface of the fixed pressure rod (17) is covered with a non-slip rubber sleeve (5), and a mounting opening is provided in the middle of the top of the non-slip rubber sleeve (5).

6. The hand gripper for hand rehabilitation training with vibration feedback according to claim 1, characterized in that: An anti-slip groove is provided at the bottom of the movable gripping rod (2), and the surface of the mounting sliding block (15) is slidably connected to the supporting vertical shell (1).

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