CN112107837A

CN112107837A - Finger training device

Info

Publication number: CN112107837A
Application number: CN202010883413.4A
Authority: CN
Inventors: 高锦慧
Original assignee: Quanzhou Liangchuang Information Technology Co Ltd
Current assignee: Quanzhou Liangchuang Information Technology Co Ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2020-12-22

Abstract

The invention discloses a finger training device, which belongs to the field of medical rehabilitation training devices and comprises five training main bodies, wristbands and a control mechanism, wherein the five training main bodies are used for being correspondingly arranged on fingers one by one, the wristbands are used for being worn on wrists, the control mechanism is fixed on the upper end surfaces of the wristbands, the training main bodies comprise fingertip elastic sleeves, finger root elastic sleeves and a multi-section connecting plate connected between the two elastic sleeves, every two adjacent single plates are hinged, and two magnetically-repellent micro-magnetic sheets are arranged; the control mechanism comprises a fixed plate connected with the wrist sleeve, a sliding block and a guide plate which are connected on the fixed plate in a sliding mode, and a pre-tightening spring connected between the sliding block and the guide plate, wherein the side, corresponding to the fingertip elastic sleeve, of each training main body is respectively connected with a tightening pull rope which is fixedly connected with the sliding block and is in a tightening state. The invention can realize passive training and autonomous training, and the training intensity of the two training modes can be adjusted.

Description

Finger training device

Technical Field

The invention relates to the field of medical rehabilitation training devices, in particular to a finger training device.

Background

When fingers are damaged, for example, when fingers are fractured and reconnected after the fingers are broken, hand function recovery training is often required, the fingers of people can go to a hospital for treatment after the fracture, and after the fracture setting of the hospital is completed, the training recovery of the fingers of a patient is generally carried out, so that the fingers can be recovered more quickly, and medical staff generally can make the fingers of the patient do bending, stretching, opening and folding motions.

In the early stage of the rehabilitation cycle, patients with serious illness often cannot control fingers to bend and straighten automatically; in the later stages of the rehabilitation cycle, the patient can essentially perform autonomous control of the fingers to bend and straighten. However, the existing finger training device can only realize a single training mode, can not change different training modes according to different stages of the patient rehabilitation cycle, and has unadjustable training intensity.

Disclosure of Invention

1. Technical problem to be solved

The technical problem to be solved by the invention is to provide a finger training device, which can realize passive training and autonomous training, and the training intensity of the two training modes can be adjusted.

2. Technical scheme

In order to solve the problems, the invention adopts the following technical scheme:

a finger training device comprises five training main bodies which are correspondingly arranged on fingers one by one and a wrist sleeve worn on the wrist, and a control mechanism fixed on the upper end surface of the wrist sleeve, the training main body comprises a fingertip elastic sleeve for being sleeved on the tip part of the finger and a finger root elastic sleeve for being sleeved on the root part of the finger, and a multi-section connecting plate connected between the finger tip elastic sleeve and the finger root elastic sleeve, wherein the multi-section connecting plate comprises at least two single plates connected together through a hinge shaft, the articulated shaft is arranged at the bottom of the opposite sides of the two single plates, the opposite sides of every two adjacent single plates are respectively and correspondingly fixed with a first micro-magnetic sheet and a second micro-magnetic sheet which have magnetic repulsion, one end of the multi-section connecting plate is connected with the top of the fingertip elastic sleeve through a first connecting block, the first connecting block is hinged with the multi-section connecting plate through a hinge shaft, and the other end of the multi-section connecting plate is connected with the top of the finger root elastic sleeve through a second connecting block;

control mechanism includes the fixed plate of being connected with the muffetee, sliding block and the deflector of sliding connection on the fixed plate to and connect the pretension spring between sliding block and deflector, be fixed with the first slide rail and the second slide rail that the level set up on the up end of fixed plate, sliding block sliding connection is on first slide rail, deflector sliding connection is on the second slide rail and through locking screw locking, and the deflector is located one side of sliding block towards the training main part, every the training main part corresponds fingertip elastic sleeve place side and is connected with one respectively with sliding block fixed connection's tight stay cord that is in taut state, set up the guiding hole that supplies tight stay cord one-to-one to pass on the deflector.

Furthermore, an end fixing plate fixedly connected with the second connecting block is fixed at one end of the multi-section connecting plate facing the control mechanism, and a through hole for the multi-section connecting plate to pass through is formed in the second connecting block. When the finger root elastic sleeve is sleeved at the finger root, the end fixing plate can be driven to be fixed in position, and a section of single plate on the side where the finger root elastic sleeve is located can be well stably limited at the position where the finger root is located.

Furthermore, a through hole extending along the length direction of the multi-section connecting plate is formed in the multi-section connecting plate, one end of the through hole penetrates through the end part of the multi-section connecting plate at the side where the finger root elastic sleeve is located, the other end of the through hole is communicated with one side, back to the first connecting block, of one single plate at the side where the fingertip elastic sleeve is located, and one end, connected with the multi-section connecting plate, of the tensioning rope extends along the through hole and is fixedly connected with the single plate at the side where the fingertip elastic sleeve is located. The tensioning rope is arranged inside the multi-section connecting plate, the through hole can limit the tensioning rope, and the tensioning rope can be controlled to move well.

Furthermore, the guide plate is connected with the second slide rail in a sliding mode through the adjusting slide block, the locking screw is arranged on the adjusting slide block, and the guide plate is fixed to the top of the second slide rail. After the locking screw is unscrewed, the position of the guide plate can be adjusted through the adjusting slide block, and the adjusting slide block can be locked on the second slide rail through screwing the locking screw, so that the sliding type movement and the position adjustment of the guide plate can be realized.

Furthermore, the number of the second slide rails is two, the two second slide rails are respectively positioned at two sides of the first slide rail, and the bottom surface of the guide plate is higher than the top of the first slide rail; the opposite sides of the first sliding rail and the second sliding rail are both connected with end side baffles which are vertically fixed on the fixed plate, the tops of the end side baffles are lower than the guide holes, and the bottom of the fixed plate is fixed with an elastic cushion plate which is fixedly connected with the wrist sleeve. The two second sliding rails are arranged, so that the sliding connection stability of the guide plate and the fixed plate can be improved, and the bottom surface of the guide plate is higher than the top of the first sliding rail, so that the first sliding rail can be prevented from blocking the movement of the guide plate; the arrangement of the end side baffle can limit the opposite sides of the first slide rail and the second slide rail, and prevent the sliding block and the guide plate from separating from the fixed plate; the elastic backing plate can avoid the fixed plate and the edge from directly contacting with the skin of a human body, so that the application comfort level can be improved.

3. Advantageous effects

(1) The invention comprises five training main bodies which are used for being correspondingly arranged on fingers one by one, wristbands which are worn on wrists and a control mechanism which is fixed on the upper end surfaces of the wristbands, wherein each training main body comprises a fingertip elastic sleeve, a finger root elastic sleeve and a multi-section connecting plate which is connected between the two elastic sleeves, every two adjacent single plates are hinged and provided with two magnetic repelling micro-magnetic sheets, and the single plate which is positioned towards the fingertip in each two adjacent single plates can rotate around a hinge shaft at the connecting side of the single plate and is far away from the other single plate under the action of the magnetic repulsion force of the micro-magnetic sheets, so that the multi-section connecting plate can be bent finally, and the fingers can be driven to be bent; the control mechanism comprises a fixed plate connected with the wrist sleeve and sliding blocks slidably connected to the fixed plate, the side of each training main body corresponding to the fingertip elastic sleeve is respectively connected with a tensioning rope fixedly connected with the sliding block and in a tensioning state, when the training main body is applied, the sliding blocks are controlled to move towards the side of the finger, the tensioning ropes can be driven to move towards the side of the sliding blocks, a single plate at the side of the fingertip is pulled to approach to an adjacent single plate, the single plates are pushed to break through the magnetic action between the first micro magnetic sheet and the second micro magnetic sheet and are extruded together one by one, and finally the multi-section connecting plate is in a straight state and can drive the finger to be straightened; the sliding block is controlled to move towards one side back to the finger, the tight pull rope can be driven to move towards the side where the finger is located, and the tendency of loosening is achieved, so that the force between the single plates is not enough to break through the magnetic force effect between the first micro magnetic sheet and the second micro magnetic sheet, and the finger can be driven to bend under the magnetic repulsion effect of the micro magnetic sheets. The device can drive the fingers to bend and straighten by controlling the sliding of the sliding block, for example, the sliding block can be driven to slide in a reciprocating manner by the up-and-down swinging of the forearm of the upper limb, and the finger can be driven to bend and straighten in a reciprocating manner by the sliding block.

(2) According to the invention, the guide plate is connected on the fixed plate in a sliding manner, the pre-tightening spring is connected between the sliding block and the guide plate, the initial compression state of the pre-tightening spring can be adjusted by adjusting the initial distance between the guide plate and the sliding block, namely, the thrust applied to the sliding block by the pre-tightening spring can be adjusted, the distance for the sliding block to push the pre-tightening spring to contract under the action of the gravity of the sliding block can be adjusted in passive training, the distance for the tensioning rope to move towards the finger side can be adjusted, and thus the degree of bending of the finger can be adjusted. The device can be properly adjusted according to the bending degree allowed by the finger of the patient, and the smaller the initial distance between the guide plate and the sliding block is, the smaller the degree of bending of the finger driven by the device is.

(3) The training main body and the control mechanism can also be applied to autonomous training, a patient can control the fingers to bend and fold by autonomous consciousness, the tight pull rope is forcibly pulled to move to the side where the fingers are located, the sliding block is pulled to move to the side where the guide plate is located, so that the pre-tightening spring is further compressed, the higher the compression degree of the pre-tightening spring is, the higher the force required by the user to completely bend and bend the fingers is, and the higher the training intensity is; after the finger loosens, under the reset action of pretension spring, can promote the sliding block and remove to one side of deflector dorsad, it can drive the taut rope and reset, can make the multisection even board resume straight state, drives the finger and straightens, accomplishes a training independently promptly.

(4) The guide plate, the sliding block and the pre-tightening spring between the guide plate and the sliding block can also be used for adjusting the strength of autonomous training, if the bending strength of the finger which can be autonomously controlled by a patient is small, the guide plate moves to one side back to the sliding block along the second sliding rail, the guide plate is locked by the locking screw, the compression degree of the pre-tightening spring is low, and the corresponding training strength is small; if the force that the patient can independently control the finger to bend is great, then move the deflector to the sliding block place side along the second slide rail to locking screw locking deflector, the degree of compression of pretension spring is higher, and its training intensity that corresponds is higher.

In conclusion, the invention can realize passive training and autonomous training, and the training intensity of the two training modes can be adjusted.

Drawings

FIG. 1 is a schematic top view of the structure of the present invention;

FIG. 2 is an enlarged view of the structure of the area A in FIG. 1;

FIG. 3 is a schematic view of the structure of section A-A in FIG. 1;

fig. 4 is an enlarged schematic view of the structure of the region B in fig. 3.

Reference numerals: 1. tightening the pull rope; 2. a guide plate; 3. a first slide rail; 4. a fixing plate; 5. a slider; 6. an end side baffle; 7. pre-tightening the spring; 8. a second slide rail; 9. a wrist cover; 10. training a subject; 11. a fingertip elastic sleeve; 12. a plurality of connecting plates; 121. a single sheet; 13. a finger root elastic sleeve; 14. hinging a shaft; 15. a through hole; 16. a first micromagnetic sheet; 17. a second micro-magnetic sheet; 18. a first connection block; 19. a second connecting block; 20. an end fixing plate; 21. a guide hole; 22. adjusting the sliding block; 23. locking the screw; 24. an elastic backing plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Examples

As shown in fig. 1 and 3, a finger training device comprises five training bodies 10 for being correspondingly mounted on fingers one by one, a wrist sleeve 9 for being worn on the wrist, and a control mechanism fixed on the upper end surface of the wrist sleeve 9, wherein each training body 10 comprises a fingertip elastic sleeve 11 for being sleeved on the tip portion of a finger, a base elastic sleeve 13 for being sleeved on the base portion of the finger, and a multi-section connecting plate 12 connected between the fingertip elastic sleeve 11 and the base elastic sleeve 13, the multi-section connecting plate 12 comprises at least two single-plate plates 121 connected together through a hinge shaft 14, as shown in fig. 4, the hinge shaft 14 is arranged at the bottom of the opposite sides of the two single-plate plates 121, a first micro-magnetic sheet 16 and a second micro-magnetic sheet 17 which are magnetically repulsive are respectively fixed on the opposite sides of each two adjacent single-plate 121, one end of the multi-section connecting plate 12 is connected with the top of the fingertip elastic sleeve 11 through a first connecting block 18, the first connecting block 18 is hinged with the multi-section connecting plate 12 through a hinge shaft 14, and the other end of the multi-section connecting plate 12 is connected with the top of the finger root elastic sleeve 13 through a second connecting block 19;

the control mechanism comprises a fixed plate 4 connected with a wrist sleeve 9, a sliding block 5 and a guide plate 2 which are connected onto the fixed plate 4 in a sliding mode, and a pre-tightening spring 7 connected between the sliding block 5 and the guide plate 2, wherein a first sliding rail 3 and a second sliding rail 8 which are horizontally arranged are fixed on the upper end face of the fixed plate 4, the sliding block 5 is connected onto the first sliding rail 3 in a sliding mode, the guide plate 2 is connected onto the second sliding rail 8 in a sliding mode and locked through a locking screw 23, the guide plate 2 is located on one side, facing the training main body 10, of the sliding block 5, the side, corresponding to the fingertip elastic sleeve 11, of each training main body 10 is respectively connected with a tightening rope 1 which is fixedly connected with the sliding block 5 and is in a tightening state, and as shown in fig. 2, guide holes 21 for the tightening ropes 1 to penetrate through one by one.

In the present embodiment, as shown in fig. 3, an end fixing plate 20 fixedly connected to the second connecting block 19 is fixed to one end of the multi-connecting plate 12 facing the control mechanism, and a through hole for the multi-connecting plate 12 to pass through is formed in the second connecting block 19. When the finger root elastic sleeve 13 is sleeved at the finger root, the end fixing plate 20 can be driven to be fixed in position, and a section of single plate 121 on the side where the finger root elastic sleeve 13 is located can be stably limited at the position where the finger root is located.

In the present embodiment, as shown in fig. 3 and 4, a through hole 15 extending along the length direction is formed in the multi-link plate 12, one end of the through hole 15 penetrates through the end of the multi-link plate 12 on the side of the elastic finger-base sleeve 13, the other end of the through hole 15 communicates with the side of the single-piece plate 121 on the side of the elastic fingertip sleeve 11 facing away from the first connecting block 18, and the one end of the fastening cord 1 connected to the multi-link plate 12 extends along the through hole 15 and is fixedly connected to the single-piece plate 121 on the side of the elastic fingertip sleeve 11. The tensioning rope 1 is arranged inside the multi-section connecting plate 12, and the through hole 15 can limit the tensioning rope 1, so that the tensioning rope 1 can be controlled to move well.

In this embodiment, as shown in fig. 2 and fig. 3, the guide plate 2 is slidably connected to the second slide rail 8 through an adjusting slider 22, and the locking screw 23 is disposed on the adjusting slider 22, and the guide plate 2 is fixed on the top of the second slide rail 8. After the locking screw 23 is loosened, the position of the guide plate 2 can be adjusted by the adjusting slide 22, and by tightening the locking screw 23, the adjusting slide 22 can be locked on the second slide rail 8, i.e. the sliding movement and the position adjustment of the guide plate 2 can be realized.

In this embodiment, as shown in fig. 1 and fig. 3, two second slide rails 8 are provided, and the two second slide rails 8 are respectively located at two sides of the first slide rail 3, and the bottom surface of the guide plate 2 is higher than the top of the first slide rail 3; the opposite sides of the first slide rail 3 and the second slide rail 8 are connected with end side baffles 6 which are vertically fixed on the fixed plate 4, the tops of the end side baffles 6 are lower than the guide holes 21, and the bottom of the fixed plate 4 is fixed with an elastic cushion plate 24 which is fixedly connected with the wrist sleeve 9. The two second slide rails 8 are arranged, so that the stability of the sliding connection between the guide plate 2 and the fixed plate 4 can be improved, the bottom surface of the guide plate 2 is higher than the top of the first slide rail 3, and the first slide rail 3 can be prevented from blocking the movement of the guide plate 2; the end side baffle 6 can limit the opposite sides of the first slide rail 3 and the second slide rail 8, and prevent the sliding block 5 and the guide plate 2 from separating from the fixed plate 4; the elastic pad 24 can prevent the fixing plate 4 from directly contacting with the edge and the skin of the human body, thereby improving the application comfort.

The specific action principle of the finger training device is as follows:

the wrist sleeve 9 is worn on the wrist of a user, and the training main bodies 10 are sleeved on corresponding fingers in a one-to-one correspondence manner, so that the fingertip elastic sleeves 11 are tightly wrapped at the fingertips of the corresponding fingers, and the finger root elastic sleeves 13 are tightly wrapped at the finger roots of the corresponding fingers;

in the early stage of recovery of a patient, the patient cannot bend or straighten himself, the position of the guide plate 2 on the second slide rail 8 is adjusted as required in the state that the hand is placed horizontally, if the finger of the patient is allowed to bend to a lower degree, the guide plate 2 is moved to the side of the sliding block 5 along the second slide rail 8, the guide plate 2 is locked by the locking screw 23, and the compression degree of the pre-tightening spring 7 is higher; if the degree of the finger of the patient allowed to bend is higher, the guide plate 2 is moved along the second slide rail 8 to the side back to the slide block 5, the guide plate 2 is locked by the locking screw 23, and the compression degree of the pre-tightening spring 7 is lower; under the elastic reset action of the pre-tightening spring 7, the sliding block 5 is pushed to be positioned at one end of the first sliding rail 3, which is back to the guide plate 2, and the tightly pulling rope 1 is driven to move to the wrist and is in a tensioned state, so that the magnetic action between the first micro-magnetic sheet 16 and the second micro-magnetic sheet 17 is broken through among the single-section plates 121, and even if the multiple sections of connecting plates 12 are in a straight state, the fingers of a user are driven to be straightened;

then the forearm of the upper limb swings up and down, when the finger is lower than the wrist in the process of swinging down, the sliding block 5 moves towards the first sliding rail 3 towards one end of the guide plate 2 under the action of gravity, so that the pre-tightening spring 7 is further compressed, the tightening rope 1 is driven to move towards the side where the finger is located, and the tightening rope has a tendency of loosening, the force between each two adjacent sections of plates 121 is not enough to break through the magnetic force between the first micro-magnetic sheet 16 and the second micro-magnetic sheet 17, magnetic repulsion is generated between each two adjacent single plates 121 and between the first micro-magnetic sheet 16 and the second micro-magnetic sheet 17, the single plate 121 facing the fingertip side in each two adjacent single plates 121 can rotate around the hinge shaft 14 at the connecting side of the single plate and is far away from the other single plate 121, finally, the multi-section connecting plate 12 can be bent, the finger can be driven to be bent, and the tightening rope 1 is in a tensioned state, the compression degree of the pre-tightening spring 7 is low, the more the pre-tightening spring drives the tightening rope 1 to move towards the side where the finger is located, the higher the degree that the finger can bend; in the process of upward swinging of the forearm of the upper limb, when a finger is higher than the wrist, the sliding block 5 moves towards one end of the first sliding rail 3, which is back to the guide plate 2, under the action of gravity and the reset elasticity of the pre-tightening spring 7, drives the tensioning rope 1 to move towards the side of the sliding block 5, pulls one single plate 121 at the side of the fingertip to approach to the adjacent single plate 121, pushes the single plates 121 to break through the magnetic action between the first micro-magnetic sheet 16 and the second micro-magnetic sheet 17 to be extruded one by one, finally enables the multi-section connecting plate 12 to be in a straight state, can drive the finger to be straightened, namely, the finger can be repeatedly driven to bend and straighten through the upward and downward swinging of the forearm of the upper limb;

in the later stage of recovery of a patient, the patient can bend and straighten the hands independently, the position of the guide plate 2 on the second slide rail 8 is adjusted as required in the state that the hands are kept flat, if the force for bending the fingers by the patient can be controlled independently is small, the guide plate 2 moves along the second slide rail 8 to one side back to the sliding block 5, the guide plate 2 is locked by the locking screw 23, the compression degree of the pre-tightening spring 7 is low, and the corresponding training intensity is small; if the force of bending the finger can be controlled by the patient independently to be large, the guide plate 2 is moved to the side of the sliding block 5 along the second sliding rail 8, the guide plate 2 is locked by the locking screw 23, the compression degree of the pre-tightening spring 7 is high, and the corresponding training intensity is high;

the patient consciously controls the fingers to bend and fold, forcibly pulls the tensioning rope 1 to move to the side where the fingers are located, and pulls the sliding block 5 to move to the side where the guide plate 2 is located, so that the pre-tightening spring 7 is further compressed, the higher the compression degree of the pre-tightening spring 7 is, the greater the force required by the user to completely bend and bend the fingers is, namely the training intensity is higher; after the finger relaxs, under pretension spring 7's reset action, can promote sliding block 5 to the one side removal of deflector 2 dorsad, it can drive tight stay cord 1 and reset, can make multisection even board 12 resume to straight state, drives the finger and straightens, accomplishes one time independently training promptly.

According to the above contents, the invention can realize passive training and autonomous training, and the training intensity of the two training modes can be adjusted.

It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims

1. A finger training device is characterized by comprising five training main bodies (10) which are used for being correspondingly arranged on fingers one by one, wristbands (9) which are used for being worn on wrists, and a control mechanism which is fixed on the upper end faces of the wristbands (9), wherein each training main body (10) comprises a fingertip elastic sleeve (11) which is used for being sleeved on a fingertip part, a finger root elastic sleeve (13) which is used for being sleeved on the root of a finger, and a multi-section connecting plate (12) which is connected between the fingertip elastic sleeve (11) and the finger root elastic sleeve (13), the multi-section connecting plate (12) comprises at least two single-piece plates (121) which are connected together through a hinge shaft (14), the hinge shaft (14) is arranged at the bottom of the opposite sides of the two single-piece plates (121), and the opposite sides of every two adjacent single-piece plates (121) are respectively and correspondingly fixed with a first micro magnetic sheet (16) and a second micro magnetic sheet, one end of the multi-section connecting plate (12) is connected with the top of the fingertip elastic sleeve (11) through a first connecting block (18), the first connecting block (18) is hinged with the multi-section connecting plate (12) through a hinge shaft (14), and the other end of the multi-section connecting plate (12) is connected with the top of the finger base elastic sleeve (13) through a second connecting block (19);

the control mechanism comprises a fixed plate (4) connected with a wrist sleeve (9), a sliding block (5) and a guide plate (2) which are connected on the fixed plate (4) in a sliding manner, and a pre-tightening spring (7) connected between the sliding block (5) and the guide plate (2), wherein a first sliding rail (3) and a second sliding rail (8) which are horizontally arranged are fixed on the upper end surface of the fixed plate (4), the sliding block (5) is connected on the first sliding rail (3) in a sliding manner, the guide plate (2) is connected on the second sliding rail (8) in a sliding manner and locked by a locking screw (23), the guide plate (2) is positioned on one side of the sliding block (5) facing the training main body (10), and the side of each training main body (10) corresponding to the fingertip elastic sleeve (11) is respectively connected with a tightening rope (1) which is fixedly connected with the sliding block (5), the guide plate (2) is provided with guide holes (21) for the tightening pull ropes (1) to correspondingly penetrate.

2. The finger training device according to claim 1, wherein an end fixing plate (20) fixedly connected with the second connecting block (19) is fixed at one end of the multi-connecting plate (12) facing the control mechanism, and the second connecting block (19) is provided with a through hole for the multi-connecting plate (12) to pass through.

3. The finger training device according to claim 1, wherein the multi-joint connecting plate (12) is internally provided with a through hole (15) extending along the length direction thereof, one end of the through hole (15) penetrates through the end part of the multi-joint connecting plate (12) at the side where the elastic sleeve (13) of the finger base is located, the other end of the through hole (15) is communicated with one side, facing away from the first connecting block (18), of the single-joint plate (121) at the side where the elastic sleeve (11) of the finger tip is located, and one end of the tightening rope (1) connected with the multi-joint connecting plate (12) extends along the through hole (15) and is fixedly connected with the single-joint plate (121) at the side where the elastic sleeve (11) of the finger tip is located.

4. A finger training device according to claim 1, wherein the guiding plate (2) is slidably connected to the second sliding rail (8) through an adjusting slider (22), and a locking screw (23) is arranged on the adjusting slider (22), and the guiding plate (2) is fixed on the top of the second sliding rail (8).

5. A finger training device according to claim 1, wherein there are two second sliding tracks (8), and the two second sliding tracks (8) are respectively located at two sides of the first sliding track (3), and the bottom surface of the guiding plate (2) is higher than the top of the first sliding track (3); the opposite sides of the first sliding rail (3) and the second sliding rail (8) are connected with end side baffle plates (6) which are vertically fixed on the fixing plate (4), the tops of the end side baffle plates (6) are lower than the guide holes (21), and elastic cushion plates (24) fixedly connected with the wristlet (9) are fixed at the bottom of the fixing plate (4).