Adjustable finger separation training device

Abstract

The invention discloses an adjustable finger separation training device, and relates to the technical field of finger rehabilitation training equipment.The adjustable finger separation training device comprises two elastic finger sleeves which are used for being arranged on two fingers of a patient in a sleeving mode respectively, adjusting pieces are fixedly installed on the opposite sides of the two elastic finger sleeves, and a mounting groove is formed in one side of each adjusting piece; two limiting blocks are arranged in the mounting groove, adjusting blocks are arranged on one sides of the limiting blocks, and elastic rubber bands are fixedly mounted on one sides of the two adjusting blocks. By pulling the pull rod, the pull rod can drive the sliding plate to slide in the adjusting block and compress the supporting spring, then the second elastic rubber band drives the positioning head to be inserted into the adjusting block, then the pull rod is released, the supporting spring can insert the clamping block into the positioning head due to self thrust at the moment, and then the positioning head can be positioned; the two elastic rubber bands are arranged, so that the opening and closing tension can be increased, and the device is suitable for patients with different training intensities.

Description

Technical Field

[0001] The present invention relates to the technical field of finger rehabilitation training equipment, and specifically to an adjustable finger separation training device. Background Art

[0002] At present, due to muscle tension or spasm in the hand caused by stroke, the patient's fingers cannot be normally separated and combined. It is necessary to use a finger rehabilitation training device for rehabilitation treatment and training. By fixing the fingers in the extended state, correcting finger flexion contracture or deformity, it helps the patient's rehabilitation.

[0003] For example, the existing patent (publication number: CN113975084A) discloses an adjustable finger separation training device, which uses a pneumatic component to inflate the first telescopic air pipe to separate the patient's fingers to achieve finger separation training, and sucks air into the first telescopic air pipe through the pneumatic component to close the separated fingers of the patient to achieve finger adduction training. Thus, it is not necessary to perform finger separation and adduction training on all fingers at the same time, avoiding burden on the originally normal or already recovered normal fingers, and further achieving targeted rehabilitation training for the patient's fingers.

[0004] However, the above-designed adjustable finger separation training device still has some disadvantages in actual use: Although the adjustable finger separation training device can use the pneumatic component to cooperate with the first telescopic air pipe to suck air to close the separated fingers of the patient to achieve finger adduction training, the opening and closing force cannot be adjusted. Since the training intensity and hand opening and closing force of different patients are also different, this makes the above existing finger separation training device only applicable to a small number of people, with a small scope of application.

[0005] Therefore, we designed an adjustable finger separation training device to solve the above problems. Summary of the Invention

[0006] The purpose of the present invention is to provide an adjustable finger separation training device. By pulling the pull rod, the pull rod can drive the sliding plate to slide in the adjusting block and compress the support spring. Then, drive the positioning head of the second elastic rubber band to insert into the adjusting block. Subsequently, release the pull rod. At this time, the support spring will insert the block into the positioning head due to its own thrust, so as to position the positioning head. The setting of two elastic rubber bands can increase the pulling force of opening and closing, thus being applicable to patients with different training intensities to use, so as to solve the problems raised in the above background art.

[0007] To solve the above technical problems, an adjustable finger separation training device provided by the present invention includes two elastic finger sleeves, which are respectively used to be sleeved on two fingers of a patient. On one side of each of the two elastic finger sleeves, an adjusting member is fixedly installed. An installation groove is formed on one side of the adjusting member. Two limiting blocks are arranged in the installation groove. An adjusting block is arranged on one side of the limiting block. One side of two of the adjusting blocks is fixedly installed with an elastic rubber band. The other end of the elastic rubber band is fixedly installed with a positioning head. The other end of the positioning head is slidably inserted into another adjusting block. A sliding plate is slidably arranged in the adjusting block. One side of the sliding plate is provided with a pull rod. The other end of the pull rod slidably penetrates through the adjusting block. A support spring is arranged between the sliding plate and the inner wall of the adjusting block. On one side of the sliding plate away from the pull rod, a clamping block is provided. The other end of the clamping block is slidably inserted into the positioning head.

[0008] Further, a clamping groove is formed on one side of the positioning head. The side of the clamping block away from the sliding plate is slidably inserted into the clamping groove.

[0009] Further, a pull block is fixedly installed at the end of the pull rod away from the sliding plate. The diameter of the pull block is larger than that of the pull rod and abuts against the outside of the adjusting block. And anti-slip patterns are arranged on the outer surface of the pull block.

[0010] Further, an installation cavity and a fixing port are respectively formed inside and on one side of the adjusting block. The installation cavity is communicated with the fixing port. The sliding plate is slidably connected in the installation cavity. The end of the support spring away from the sliding plate is fixedly installed on the inner side wall of the installation cavity. The positioning head is slidably inserted into the fixing port.

[0011] Further, a guiding groove is formed in the adjusting block. The guiding groove is communicated with the installation cavity. A guiding member is fixedly installed on the side surface of the sliding plate. A ball is rotatably arranged on one side of the guiding member. The ball is in rolling connection with the guiding groove.

[0012] Further, the number of the guiding grooves is two, and the number of the balls corresponds to that of the guiding grooves. The two guiding grooves are symmetrically formed in the adjusting block.

[0013] Further, a bidirectional lead screw is rotatably arranged in the installation groove. The limiting block is threadedly sleeved on the bidirectional lead screw. A guiding rod is fixedly installed in the installation groove. The limiting block is slidably sleeved on the guiding rod. A torsion block is rotatably arranged on the top of the adjusting member. The torsion block is in transmission connection with one end of the bidirectional lead screw.

[0014] Further, a limiting member is slidably disposed within the torsion block. A support column is fixedly installed at the top of the limiting member. The top end of the support column slidably penetrates through the torsion block and is fixedly installed with a positioning block. Two reset springs are symmetrically and fixedly installed between the limiting member and the inner wall of the torsion block. One side of the bottom of the positioning block is fixedly installed with a plug rod. A plurality of slots are formed at the top of the adjusting member, and the bottom end of the plug rod is cooperatively inserted into one of the slots.

[0015] Further, a cavity and an installation opening are respectively formed inside and at the top of the torsion block. The cavity and the installation opening are communicated. The limiting member is slidably connected within the cavity. One end of the reset spring away from the limiting member is fixedly installed on the inner bottom wall of the cavity. The top end of the support column is slidably inserted into the installation opening. Two guide rods are symmetrically and fixedly installed within the cavity, and the limiting member is slidably sleeved on the guide rods.

[0016] Further, a protective sleeve is fixedly installed on the inner ring of the elastic finger sleeve, and the protective sleeve is made of silica gel.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows: By pulling the pull rod, the pull rod can drive the sliding plate to slide within the adjusting block and compress the support spring. Then, the second elastic rubber band drives the positioning head to be inserted into the adjusting block. Subsequently, the pull rod is released. At this time, the support spring will insert the clamping block into the positioning head due to its own thrust, thereby positioning the positioning head. The setting of the two elastic rubber bands can increase the opening and closing force, so as to be suitable for patients with different training intensities.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows: The sliding of the sliding plate can drive the rolling of the ball within the guide groove, which can not only limit the direction of the sliding plate to avoid the problem of movement inclination, but also change the sliding friction of the sliding plate into rolling friction, reducing the friction force, so that the sliding plate can slide more smoothly within the installation cavity.

[0019] Compared with the prior art, the beneficial effects of the present invention are as follows: By rotating the torsion block, the torsion block can drive the bidirectional lead screw to rotate, so that the two limiting blocks drive the adjusting block and the elastic rubber bands to approach or move away from each other. When the two elastic rubber bands are juxtaposed, the elastic coefficients are superimposed, and a greater force needs to be applied when opening and closing. When there is a spacing between the two elastic rubber bands, different areas of the patient's hand can be stressed to open and close, improving the training effect.

[0020] Compared with the prior art, the beneficial effects of the present invention are as follows: When the rotation of the torsion block stops, at this time, the reset spring will pull the positioning block, the support column and the limiting member to move downward within the cavity due to its own elastic force. At the same time, the plug rod can be inserted into the lower matching slot, which can position the torsion block and avoid the problem of the torsion block rotating by itself during use, thereby improving the stability during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 Schematic diagram of the three-dimensional structure of the front exterior of the present invention; Figure 2 Schematic diagram of the three-dimensional structure of the side top view exterior of the present invention; Figure 3 Schematic diagram of the three-dimensional structure of the interior half-section view of the installation cavity of the present invention; Figure 4 Schematic diagram of the three-dimensional structure of the side exterior of the adjusting member of the present invention.

[0022] Figure 5 Schematic diagram of the three-dimensional structure of the exterior of the torsion block of the present invention; Figure 6 Schematic diagram of the three-dimensional structure of the interior half-section view of the torsion block of the present invention; Figure 7 For the present invention Figure 2 Enlarged view of location A in

[0023] In the figure: 1, elastic finger sleeve; 2, adjusting member; 3, installation groove; 4, limiting block; 5, adjusting block; 6, elastic rubber band; 7, positioning head; 8, sliding plate; 9, pull rod; 10, support spring; 11, clamping block; 12, clamping groove; 13, pulling block; 14, installation cavity; 15, fixing port; 16, guiding groove; 17, guiding member; 18, ball; 19, bidirectional lead screw; 20, guiding rod; 21, torsion block; 22, limiting member; 23, support column; 24, positioning block; 25, reset spring; 26, inserting rod; 27, inserting slot; 28, guiding rod; 29, cavity; 30, installation port; 31, protective sleeve. Detailed implementation manners

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with 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, rather than 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.

[0025] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation to the present invention.

[0026] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, 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. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Please refer to Figures 1-7 , the present invention provides a technical solution: an adjustable finger separation training device, including two elastic finger sleeves 1, which are respectively used to be sleeved on two fingers of a patient. On one side of the two elastic finger sleeves 1 facing each other, adjusting members 2 are fixedly installed. An installation groove 3 is formed on one side of the adjusting member 2. Two limiting blocks 4 are arranged in the installation groove 3. On one side of the limiting block 4, an adjusting block 5 is arranged. On one side of the two adjusting blocks 5, an elastic rubber band 6 is fixedly installed. The other end of the elastic rubber band 6 is fixedly installed with a positioning head 7. The other end of the positioning head 7 is slidably inserted into another adjusting block 5. A sliding plate 8 is slidably arranged in the adjusting block 5. On one side of the sliding plate 8, a pull rod 9 is arranged. The other end of the pull rod 9 slidably penetrates through the adjusting block 5. A support spring 10 is arranged between the sliding plate 8 and the inner wall of the adjusting block 5. On one side of the sliding plate 8 away from the pull rod 9, a clamping block 11 is arranged. The other end of the clamping block 11 is slidably inserted into the positioning head 7. A clamping groove 12 is formed on one side of the positioning head 7. The side of the clamping block 11 away from the sliding plate 8 is slidably inserted into the clamping groove 12.

[0028] During specific implementation, the operator sleeved the elastic finger sleeves 1 on two fingers respectively, and then opened and closed the two fingers. During this process, the elastic rubber band 6 will be stretched and then rebound, so as to achieve the effect of finger separation training. By pulling the pull rod 9, the pull rod 9 can drive the sliding plate 8 to slide in the adjusting block 5 and compress the support spring 10. Then, the second elastic rubber band 6 is driven to insert the positioning head 7 into the adjusting block 5. Then, the pull rod 9 is released. At this time, the support spring 10 will insert the clamping block 11 into the positioning head 7 due to its own thrust, so as to position the positioning head 7. The setting of the two elastic rubber bands 6 can increase the pulling force of opening and closing, so as to be suitable for patients with different training intensities.

[0029] Refer to Figures 1-7 , a pull block 13 is fixedly installed at the end of the pull rod 9 away from the sliding plate 8. The diameter of the pull block 13 is larger than that of the pull rod 9 and abuts against the outside of the adjusting block 5. And the outer surface of the pull block 13 is provided with anti-slip lines. By pulling the pull block 13, the pull block 13 can drive the pull rod 9 to move together, which can make it more labor-saving when the operator pulls the pull rod 9. By setting the anti-slip lines, the friction between the operator's hand and the pull block 13 can be increased, so as to help solve the problem of slipping when pulling the pull block 13.

[0030] Refer to Figures 1-7, an installation cavity 14 and a fixing port 15 are respectively formed inside and on one side of the adjusting block 5. The installation cavity 14 communicates with the fixing port 15. The sliding plate 8 is slidably connected inside the installation cavity 14. One end of the support spring 10 away from the sliding plate 8 is fixedly installed on the inner side wall of the installation cavity 14. The positioning head 7 is slidably inserted into the fixing port 15. It is convenient to reasonably install the internal components of the adjusting block 5 and avoid the problem of movement interference.

[0031] Refer to Figures 1-7 , a guiding groove 16 is formed inside the adjusting block 5. The guiding groove 16 communicates with the installation cavity 14. A guiding member 17 is fixedly installed on the side surface of the sliding plate 8. A ball 18 is rotatably arranged on one side of the guiding member 17. The ball 18 is in rolling connection with the guiding groove 16.

[0032] During specific implementation, on the basis of the above implementation, the sliding of the sliding plate 8 can drive the ball 18 to roll in the guiding groove 16, which can not only limit the direction of the sliding plate 8 and avoid the problem of movement inclination, but also change the sliding friction of the sliding plate 8 into rolling friction, reduce the friction force, and thus enable the sliding plate 8 to slide more smoothly inside the installation cavity 14.

[0033] Refer to Figures 1-7 , the number of the guiding grooves 16 is two, and the number of the balls 18 corresponds to that of the guiding grooves 16. The two guiding grooves 16 are symmetrically formed inside the adjusting block 5. The arrangement of the two guiding grooves 16 can make the forces on both sides of the sliding plate 8 balanced, thereby further improving the stability of the sliding plate 8 during sliding.

[0034] Refer to Figures 1-7 , a bidirectional lead screw 19 is rotatably arranged inside the installation groove 3. The limiting block 4 is threadedly sleeved on the bidirectional lead screw 19. A guiding rod 20 is fixedly installed inside the installation groove 3. The limiting block 4 is slidably sleeved on the guiding rod 20. A torsion block 21 is rotatably arranged on the top of the adjusting member 2. The torsion block 21 is in transmission connection with one end of the bidirectional lead screw 19.

[0035] During specific implementation, on the basis of the above implementation, by rotating the torsion block 21, the torsion block 21 can drive the bidirectional lead screw 19 to rotate, so that the two limiting blocks 4 drive the adjusting block 5 and the elastic rubber band 6 to approach or move away from each other. When the two elastic rubber bands 6 are juxtaposed, the elastic coefficients are superimposed, and a greater force needs to be applied when opening and closing. When there is a gap between the two elastic rubber bands 6, different areas of the patient's hand can be stressed to open and close, improving the training effect.

[0036] Refer to Figures 1-7, a limiting member 22 is slidably arranged in the torsion block 21. A support column 23 is fixedly installed at the top of the limiting member 22. The top end of the support column 23 slidably penetrates through the torsion block 21 and is fixedly installed with a positioning block 24. Two reset springs 25 are symmetrically and fixedly installed between the limiting member 22 and the inner wall of the torsion block 21. One side of the bottom of the positioning block 24 is fixedly installed with a plug rod 26. A plurality of slots 27 are formed at the top of the adjusting member 2. The bottom end of the plug rod 26 is in fit insertion with one of the slots 27. A cavity 29 and an installation opening 30 are respectively formed inside and at the top of the torsion block 21. The cavity 29 is communicated with the installation opening 30. The limiting member 22 is slidably connected in the cavity 29. One end of the reset spring 25 away from the limiting member 22 is fixedly installed on the inner bottom wall of the cavity 29. The top end of the support column 23 is slidably inserted into the installation opening 30. Two guide rods 28 are symmetrically and fixedly installed in the cavity 29. The limiting member 22 is slidably sleeved on the guide rods 28.

[0037] During specific implementation, on the basis of the above implementation, when the torsion block 21 stops rotating, at this time, the reset spring 25 will pull the positioning block 24, the support column 23 and the limiting member 22 to move downward in the cavity 29 due to its own elastic force. At the same time, the plug rod 26 can be inserted into the lower matching slot 27, so as to position the torsion block 21 and avoid the problem that the torsion block 21 rotates by itself during use, thereby improving the stability during use.

[0038] It should be noted here that for the installation of the internal parts of the adjusting block 5 and the torsion block 21, the adjusting block 5 and the torsion block 21 can be set as two groups of half shells, and then the parts are installed in the shells and then combined and fixed, so as to facilitate the installation of the parts in the adjusting block 5 and the torsion block 21.

[0039] A protective sleeve 31 is fixedly installed on the inner ring of the elastic finger sleeve 1. The material of the protective sleeve 31 is silica gel. Since the silica gel is soft in texture, it can improve the comfort of the human hand.

[0040] Working principle: When in use, first, the user sleeved the elastic finger sleeves 1 on two fingers respectively, and then opened and closed the two fingers. During this process, the elastic rubber band 6 will be stretched and then rebound, so as to achieve the effect of finger separation training.

[0041] When the training intensity needs to be adjusted, at this time, pull the pull block 13, so that the pull block 13 drives the pull rod 9 and the sliding plate 8 to slide in the installation cavity 14 and compress the support spring 10. Then drive the positioning head 7 of the second elastic rubber band 6 to insert into the installation cavity 14 through the fixing port 15. Then release the pull block 13. At this time, the support spring 10 will insert the block 11 into the card slot 12 due to its own thrust, so as to position the positioning head 7. The setting of the two elastic rubber bands 6 can increase the opening and closing pulling force, so as to be suitable for patients with different training intensities.

[0042] During the above operation, the sliding of the skateboard 8 can drive the ball 18 to roll in the guiding groove 16, which can not only limit the direction of the skateboard 8 to avoid the problem of movement inclination, but also change the sliding friction of the skateboard 8 into rolling friction, reducing the frictional force, so that the skateboard 8 can slide more smoothly in the installation cavity 14.

[0043] By rotating the torsion block 21, the torsion block 21 can drive the bidirectional lead screw 19 to rotate, so that the two limit blocks 4 drive the adjusting block 5 and the elastic rubber band 6 to approach or move away from each other. When the two elastic rubber bands 6 are juxtaposed, the elastic coefficients are superimposed, and a greater force needs to be applied when opening and closing. When there is a gap between the two elastic rubber bands 6, different areas of the patient's hand can be stressed to open and close, improving the training effect.

[0044] During the above operation, when the rotation of the torsion block 21 stops, the reset spring 25 will pull the positioning block 24, the support column 23 and the limiting member 22 to move downward in the cavity 29 due to its own elastic force. At the same time, the insertion rod 26 can be inserted into the lower matching slot 27 to position the torsion block 21 and avoid the problem of self-rotation of the torsion block 21 during use, thus improving the stability during use.

[0045] The above description is only a preferred embodiment of the present invention and does not impose any form of limitation on the present invention. Although the present invention has been disclosed above with a preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art of this patent, without departing from the scope of the technical solution of the present invention, can make some changes or modifications to the above-mentioned technical content as equivalent embodiments of equivalent changes. The implementation schemes in the above embodiments can also be further combined or replaced. However, as long as the content does not depart from the technical solution of the present invention, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention still fall within the scope of the present invention.

Claims

1. An adjustable finger separation training device, comprising two elastic finger sleeves (1), respectively used to be sleeved on two fingers of a patient, characterized in that: An adjusting member (2) is fixedly mounted on one side opposite to the two elastic finger sleeves (1), a mounting groove (3) is provided on one side of the adjusting member (2), two limit blocks (4) are arranged in the mounting groove (3), an adjusting block (5) is arranged on one side of the limit block (4), elastic rubber bands (6) are fixedly mounted on one side of the two adjusting blocks (5), a positioning head (7) is fixedly mounted on the other end of the elastic rubber band (6), the other end of the positioning head (7) is slidably inserted in the other adjusting block (5), a slide plate (8) is slidably arranged in the adjusting block (5), a pull rod (9) is provided on one side of the slide plate (8), the other end of the pull rod (9) slides through the adjusting block (5), a supporting spring (10) is arranged between the slide plate (8) and the inner wall of the adjusting block (5), a clamping block (11) is arranged on the side of the slide plate (8) away from the pull rod (9), the other end of the clamping block (11) is slidably inserted in the positioning head (7).

2. An adjustable finger separation training device as claimed in claim 1, characterized in that: A slot (12) is provided on one side of the positioning head (7), and a side of the clamping block (11) away from the slide plate (8) is slidably inserted into the slot (12).

3. The adjustable finger separation training device according to claim 1, characterized in that: A pull block (13) is fixedly mounted on one end of the pull rod (9) away from the slide plate (8); the pull block (13) has a diameter greater than the diameter of the pull rod (9) and abuts against the outer side of the adjustment block (5); and an outer surface of the pull block (13) is provided with anti-slip textures.

4. The adjustable finger separation training device according to claim 1, characterized in that: The adjusting block (5) is provided with an installation cavity (14) and a fixing opening (15) inside and on one side thereof, respectively; the installation cavity (14) is communicated with the fixing opening (15); the slide plate (8) is slidably connected in the installation cavity (14); one end of the support spring (10) away from the slide plate (8) is fixedly mounted on the inner wall of the installation cavity (14); and the positioning head (7) is slidably inserted in the fixing opening (15).

5. The adjustable finger separation training device according to claim 4, characterized in that: A guide groove (16) is provided in the adjustment block (5), the guide groove (16) being in communication with the mounting cavity (14); a guide member (17) is fixedly mounted on a side of the slide plate (8); a ball (18) is rotatably mounted on one side of the guide member (17), the ball (18) being rollingly connected in the guide groove (16).

6. The adjustable finger separation training device according to claim 5, characterized in that: The number of the guide grooves (16) is two, and the number of the balls (18) corresponds to the number of the guide grooves (16), and the two guide grooves (16) are symmetrically arranged in the adjustment block (5).

7. The adjustable finger separation training device according to claim 1, characterized in that: A bidirectional screw (19) is rotatably arranged in the installation groove (3), the limit block (4) is threadedly sleeved on the bidirectional screw (19), a guide rod (20) is fixedly installed in the installation groove (3), the limit block (4) is slidably sleeved on the guide rod (20), and a torsion block (21) is rotatably arranged on the top of the adjustment member (2), and the torsion block (21) is drivingly connected to one end of the bidirectional screw (19).

8. An adjustable finger separation training device as claimed in claim 7, characterized in that: A limit piece (22) is slidably arranged inside the torsion block (21), a support column (23) is fixedly mounted on the top of the limit piece (22), the top of the support column (23) slides through the torsion block (21) and is fixedly mounted with a positioning block (24), two return springs (25) are symmetrically fixedly mounted between the limit piece (22) and the inner wall of the torsion block (21), an insertion rod (26) is fixedly mounted on one side of the bottom of the positioning block (24), a plurality of slots (27) are provided on the top of the adjusting member (2), and the bottom end of the insertion rod (26) is plugged into one of the slots (27).

9. An adjustable finger separation training device as claimed in claim 8, characterized in that: A cavity (29) and a mounting opening (30) are respectively provided inside and on the top of the torsion block (21); the cavity (29) and the mounting opening (30) are communicated with each other; the limiter (22) is slidably connected in the cavity (29); one end of the return spring (25) away from the limiter (22) is fixedly mounted on the bottom wall of the cavity (29); the top end of the support column (23) is slidably inserted in the mounting opening (30); two guide rods (28) are symmetrically fixedly mounted in the cavity (29); and the limiter (22) is slidably sleeved on the guide rods (28).

10. The adjustable finger separation training device according to claim 1, characterized in that: A protective sleeve (31) is fixedly mounted on the inner ring of the elastic finger sleeve (1), and the material of the protective sleeve (31) is silicone.

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