CN213491850U - Grip strength rehabilitation device - Google Patents

Abstract

The application relates to a grip strength rehabilitation device, which belongs to the field of medical instruments, and sequentially comprises a first finger tip plate, a finger middle plate and a first elastic component which are arranged on fingers except thumbs from the fingertips to the palm, wherein a first tension spring is arranged between the first finger tip plate and the finger middle plate, a second tension spring is arranged between the finger middle plate and the first elastic component, one end of the first elastic component, which is far away from the fingertips, is elastically connected with a connecting ring, and the connecting ring is sleeved on a wrist; a second fingertip plate and a second elastic component are sequentially arranged on the thumb from the fingertip to the palm, a third tension spring is arranged between the second fingertip plate and the second elastic component, and the second elastic component is elastically connected to the connecting ring. This application has the effect that makes the patient independently carry out finger joint rehabilitation training.

Description

Grip strength rehabilitation device

Technical Field

The application relates to the field of medical equipment, in particular to a grip strength rehabilitation device.

Background

In the medical field, the fingers of patients often fail to recover in time due to diseases or injuries, so that hand joints of the patients are weak, and the recovery of the finger joints needs to be promoted through recovery training, so that the fingers recover the grip strength.

Now, rehabilitation training for finger joints needs to be carried out in a hospital or a rehabilitation center with the help of medical care personnel.

In view of the above-mentioned related art, the inventors thought to continue to invent a device for the patient to autonomously perform finger joint rehabilitation training.

SUMMERY OF THE UTILITY MODEL

In order to enable a patient to independently carry out finger joint rehabilitation training, the application provides a grip strength rehabilitation device.

The application provides a recovered ware of grip adopts following technical scheme:

a grip strength rehabilitation device comprises a first fingertip plate, wherein the first fingertip plate is arranged on a finger except a thumb and is positioned at a joint from the fingertip to the finger, the joint is close to the fingertip, a middle finger plate is arranged between the first fingertip plate and the next joint, the middle finger plate is rotatably connected with the first fingertip plate, the rotation axis of the middle finger plate is parallel to the rotation axis of the finger, and a first tension spring is arranged between the middle finger plate and the first fingertip plate; a connecting ring is sleeved on the wrist of a user, a first elastic assembly is arranged between the finger middle plate and the connecting ring, the finger middle plate is rotatably connected with the first elastic assembly, the rotating axis of the finger middle plate is parallel to the rotating axis of the finger, and a first tension spring is arranged between the finger middle plate and the first elastic assembly;

a second fingertip plate is arranged on the thumb and is positioned at a joint, close to the fingertip, of the thumb tip of the thumb, a second elastic assembly is arranged between the connecting ring and the second fingertip plate, the second fingertip plate is rotatably connected with the second elastic assembly, the rotating axis of the second fingertip plate is parallel to the rotating axis of the finger, and a second tension spring is arranged between the second fingertip plate and the second elastic assembly;

connecting components are arranged between the first finger tip plate and the finger, between the middle finger plate and the finger and between the second finger tip plate and the finger.

By adopting the technical scheme, when the wrist rehabilitation training device is used, the connecting ring is sleeved at the wrist, the first fingertip plate, the middle fingertip plate, the second fingertip plate and the fingers are connected through the connecting assembly, a user bends a section of any finger except the thumb, which is close to the fingertip, and can drive the first fingertip plate to rotate, one end, close to the fingertip, of the first fingertip plate inclines downwards, one end, far away from the first fingertip plate, of the first fingertip plate tilts upwards, the first tension spring is stretched, the tension of the first tension spring has a blocking effect on the rotation of the first fingertip plate, so that resistance is generated on the bending of the fingers, and the resistance is required to be overcome when the fingers bend, and rehabilitation training is performed on the joints of the user; when a user bends a section of the middle part of a finger, the middle finger plate is driven to rotate, one end, close to a fingertip, of the middle finger plate is inclined downwards, one end, far away from the fingertip, of the middle finger plate is tilted upwards, a third tension spring is stretched, the tension of the third tension spring has a blocking effect on the rotation of the second fingertip plate, so that resistance is generated on the bending of the finger, and the resistance is required to be overcome when the finger is bent, so that the rehabilitation exercise is performed on the joint of the user; when the whole finger is bent, the first elastic component can generate resistance to the bending of the finger, so that joints at the joint of the finger and the palm are exercised, and the exercise of each joint of the finger is realized;

a user bends a section of a thumb close to a fingertip to drive a second fingertip plate to rotate, one end, close to the fingertip, of the second fingertip plate inclines downwards, one end, far away from the second fingertip plate, of the second fingertip plate tilts upwards, a second tension spring is stretched, the tension of the second tension spring has a blocking effect on the rotation of the first fingertip plate, so that resistance is generated on the bending of fingers, and the resistance needs to be overcome when the fingers are bent to perform rehabilitation exercise on the joint of the user; when the whole thumb is bent, the second elastic component can generate resistance to the bending of the thumb, so that the joint of the thumb and the palm is exercised, and the exercise on each joint of the thumb is realized.

Optionally, the first elastic assembly includes a first finger tail plate, a first connecting plate and a first spring, the first finger tail plate is located between the finger middle plate and the joint of the finger and the palm, the first connecting plate is fixedly connected with the first finger tail plate, the first connecting plate extends from one side of the first finger tail plate away from the joint to the upper side of the connecting ring, and the first spring is fixedly connected between the first connecting plate and the connecting ring;

the finger middle plate is rotatably connected to the first finger tail plate, the first tension spring is arranged between the finger middle plate and the first finger tail plate, and the connecting assembly is arranged between the first finger tail plate and the finger.

Through adopting above-mentioned technical scheme, it fixes first tailboard and finger, crooked arbitrary finger except the thumb, the finger drives first connecting plate through first tailboard and rotates, first connecting plate is close to one side downward sloping between it, keep away from the upwards perk of fingertip one end, tensile first spring, the pulling force of first spring has the effect of blockking to the rotation of first connecting plate, thereby produce the resistance to the bending of finger, above-mentioned resistance need be overcome when the finger is crooked, to the articulated exercise of recovering of user.

Optionally, the second elastic assembly comprises a second finger tail plate, a second connecting plate and a second spring, the second finger tail plate is located between the second finger tip plate and the joint of the finger and the palm, the second connecting plate is fixedly connected with the second finger tail plate, the second connecting plate extends from the side, away from the finger tip, of the second finger tail plate to the upper side of the connecting ring, the second spring is fixedly connected between the second connecting plate and the connecting ring, and a connecting assembly is arranged between the second finger tail plate and the thumb;

the second finger tip plate is rotatably connected to the second finger tail plate, and the third tension spring is arranged between the second finger tip plate and the second finger tail plate.

Through adopting above-mentioned technical scheme, fix second finger tailboard and thumb, crooked thumb, the thumb drives the second connecting plate through second finger tailboard and rotates, and the second connecting plate is close to fingertip one side downward sloping, keeps away from fingertip one end and upwards sticks up, tensile second spring, and the pulling force of second spring has the effect of blockking to the rotation of second connecting plate to the crooked production resistance of finger, need overcome above-mentioned resistance when the finger is crooked, to the articulated exercise of recovering of user.

Optionally, the connecting ring is fixedly connected with first connecting rods, one ends of the first connecting rods, which are far away from the connecting ring, are rotatably connected to the first connecting plate, the rotation axis of the first connecting plate is parallel to the rotation axis of the fingers, two first connecting rods are arranged, and the two first connecting rods are respectively located on two sides of the first connecting plate;

and a second connecting rod is fixedly connected to the connecting ring, one end, far away from the connecting ring, of the second connecting rod is rotatably connected to a second connecting plate, and the rotating axis of the second connecting plate is parallel to the rotating axis of the fingers.

By adopting the technical scheme, the force applied to the first connecting plate when the fingers are bent is used for enabling the first connecting plate to move towards the direction away from the first spring while rotating downwards, the first spring is pulled to be bent, the force of the first spring acting on the finger plate for preventing the finger plate from tilting is reduced, the first connecting rod is arranged and connects the first connecting plate with the connecting ring, the probability of relative movement of the first connecting plate and the first spring in the horizontal direction is reduced, the probability of bending of the first spring is reduced, the elastic force of the first spring is guaranteed to act on the first connecting plate to prevent the first connecting plate from tilting to a greater extent, and the training of finger joints of a user is facilitated;

the power of exerting on the second connecting plate when pointing crooked for the second connecting plate still can move to keeping away from the second spring direction when rotating downwards, the pulling second spring makes the second spring crooked, reduce the power that the second spring acted on the prevention fingerboard perk of fingerboard, set up the second connecting rod, the second connecting rod couples together second connecting plate and go-between, reduce the second connecting plate and take place relative motion's probability with the second spring in the horizontal direction, reduce the probability that the second spring takes place crooked, guarantee the effect that the elasticity of second spring is bigger degree prevents the second connecting plate perk, be favorable to user's finger joint's training.

Optionally, the first finger tip plate, the middle finger plate, the first finger tail plate, the second finger tip plate, and the second finger tail plate are arc-shaped along a cross section perpendicular to the direction of the finger, the side of the cross section being close to the finger, and the center of the arc-shaped circle being located at a side close to the finger.

Through adopting above-mentioned technical scheme, the medial surface of first finger tip board, indicate the medium plate, first finger tailboard, second finger tip board, second finger tailboard all is the arc with finger shape adaptation for the finger is with first finger tip board, indicate the slick and sly contact between medium plate, first finger tailboard, second finger tip board, the second finger tailboard, reduce first finger tip board, indicate the medium plate, first finger tailboard, second finger tip board, the probability that the extrusion finger caused the damage to the finger when the atress of second finger tailboard.

Optionally, the joint of the first connecting rod and the first connecting plate is located at the joint where the small finger and the palm are connected, and the joint of the second connecting rod and the second connecting plate is located at the joint where the large finger and the palm are connected.

By adopting the technical scheme, the joint of the first connecting rod and the first connecting plate is the rotating axis of the first connecting plate, the rotating axis of the first connecting plate is almost not inclined relative to two sides of the axis, when the fingers are bent, the joints of the fingers connected with the palm are positioned at relatively higher positions, and the rotating axis is positioned at the joints of the fingers connected with the palm, so that the extrusion of the joints of the fingers connected with the palm in the rotating process of the first connecting plate can be reduced, the injury to a user is reduced, and the use feeling of the user is improved; the joint of second connecting rod and second connecting plate is located the joint department that thumb and palm are connected, can reduce the extrusion of second connecting plate rotation in-process to the joint department that finger and palm are connected equally, reduces the injury to the user, improves user's use and feels.

Optionally, coupling assembling includes connecting band, box, son and detains, and son detains fixed connection in first indicate sharp board, indicate medium plate, first indicate tailboard, second indicate sharp board, second indicate tailboard one side, and the box lock is detained at the son, and connecting band fixed connection is in the box, and box one end fixed connection is kept away from in the connecting band is in first indicate sharp board, indicate medium plate, first indicate tailboard, second indicate sharp board, second indicate the tailboard and keep away from son and detain one side.

By adopting the technical scheme, when the wrist band is used, a user sleeves the connecting ring at the wrist, pulls the connecting band to pass around the fingers, buckles the female buckle and the male buckle, so that the first finger tip plate, the middle finger plate, the first finger tail plate, the second finger tip plate, the second finger tail plate and the fingers are quickly and conveniently fixed, after the wrist band is used, the female buckle is pulled to be away from the male buckle, so that the first finger tip plate, the middle finger plate, the first finger tail plate, the second finger tip plate and the fingers can be separated conveniently and quickly; in addition, the grip strength recovery is a progressive process, and multiple times of training are needed, so that the first finger tip plate, the middle finger plate, the first finger tail plate, the second finger tip plate, the second finger tail plate and fingers are needed to be fixed and separated for multiple times, the matching of the male buckle and the female buckle is not easy to damage compared with a magic tape and the like, and the service life is longer.

Optionally, the connection ring includes a first half ring and a second half ring, one end of the first half ring is rotatably connected to the second half ring, the rotation axis of the first half ring is parallel to the axis of the connection ring, one end of the first half ring away from the rotation point is fixedly connected with a first magnet, and one end of the second half ring away from the rotation point is fixedly connected with a second magnet matched with the first magnet.

By adopting the technical scheme, when the wrist connecting device is used, the first magnet is separated from the second magnet, so that the first half ring is positioned between the first half ring and the second half ring, the first half ring is rotated to be close to the second half ring until the first magnet is adsorbed with the second magnet, and the connecting ring can be worn quickly and conveniently; after the wrist joint is used, the first semi-ring is pulled to be away from the second semi-ring to separate the first magnet from the second magnet, and the connecting ring is taken down, so that the quick separation of the connecting ring and the wrist is realized.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the training of joints of any finger except the thumb is realized by arranging the first fingertip plate, the middle finger plate and the first elastic assembly; the training of any joint of the thumb is realized by arranging the second fingertip plate and the second elastic component;

2. by arranging the first connecting rod, the probability of relative movement between the first connecting plate and the connecting ring in the horizontal direction is reduced, and the grip strength of a user is improved;

3. through setting up coupling assembling, realize that first finger tip board, mean board, first finger tailboard, second finger tip board, second finger tailboard and the finger between quick fixed and the separation.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic view showing a first elastic member;

fig. 4 is a schematic diagram illustrating the structure of the second connecting rod.

Description of reference numerals: 1. a first finger tip plate; 11. a first tension spring; 2. a middle plate; 21. a second tension spring; 3. a first elastic member; 31. a first finger board; 32. a first connecting plate; 33. a first spring; 4. a second fingertip plate; 41. a third tension spring; 5. a second elastic member; 51. a second finger board; 52. a second connecting plate; 53. a second spring; 6. a rotating assembly; 61. rotating the plate; 62. a rotating shaft; 7. a connecting assembly; 71. a connecting belt; 72. a female buckle; 73. a sub-buckle; 8. a connecting ring; 81. a first half ring; 811. a first magnet; 812. a first connecting rod; 813. a second connecting rod; 82. a second half ring; 821. a second magnet.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a grip strength rehabilitation device. Referring to fig. 1 and 2, a grip strength rehabilitation device comprises a first fingertip plate 1, wherein the first fingertip plate 1 is arranged on each finger except a thumb, the first fingertip plate 1 is positioned at a joint from the fingertip to the finger, the joint is close to the fingertip, a middle finger plate 2 is arranged between the first fingertip plate 1 and the next joint, the middle finger plate 2 is rotatably connected with the first fingertip plate 1, the rotation axis of the middle finger plate is parallel to the rotation axis of the finger, a rotating assembly 6 is arranged between the first fingertip plate 1 and the middle finger plate 2, and a first tension spring 11 is fixedly connected between the middle finger plate 2 and the first fingertip plate 1; a connecting ring 8 is sleeved on the wrist of a user, a first elastic component 3 is arranged between the finger middle plate 2 and the connecting ring 8, the first elastic component 3 is elastically connected with the connecting ring 8, the finger middle plate 2 is rotatably connected with the first elastic component 3, the rotating axis of the finger middle plate is parallel to the rotating axis of the finger, and a second tension spring 21 is fixedly connected between the finger middle plate 2 and the first elastic component 3; connecting components 7 are arranged between the first fingertip plate 1 and the finger and between the middle finger plate 2 and the finger. The first fingertip plate 1, the middle finger plate 2 and the fingers are fixed through the connecting assembly 7, joints of the fingers except the thumb, which are closest to the fingertips, are bent, the first tension spring 11 is stretched to provide resistance for bending of the joints, and training bending of the joints of the fingers except the thumb, which are closest to the fingertips, is realized; the joints in the middle parts of the fingers except the thumb are bent, and the second tension spring 21 is stretched to provide resistance for bending of the joints, so that the training of the joints in the middle parts of the fingers except the thumb is realized; the first elastic component 3 enables the training of joints at the joints of the fingers and the palm, except for the thumb.

Referring to fig. 3, the first elastic assembly 3 includes a first finger plate 31, a first connecting plate 32, and a first spring 33, the first finger plate 31 is located between the finger plate 2 and the joint where the finger and the palm are connected, the first connecting plate 32 is fixedly connected to the first finger plate 31, the first connecting plate 32 extends from the side of the first finger plate 31 away from the fingertip to above the connecting ring 8, the first connecting plate 32 connects the first finger plates 31, and the first spring 33 is fixedly connected between the first connecting plate 32 and the connecting ring 8; the middle finger plate 2 is rotatably connected to the first finger tail plate 31, a rotating assembly 6 is arranged between the middle finger plate 2 and the first finger tail plate 31, the second tension spring 21 is fixedly connected between the middle finger plate 2 and the first finger tail plate 31, and a connecting assembly 7 is arranged between the first finger tail plate 31 and the finger. Fix first tailboard 31 and finger through coupling assembling 7, the joint of crooked finger and palm junction, first tailboard 31 of pointing can drive first connecting plate 32 and rotate, and first spring 33 is stretched, provides the resistance for the rotation of first connecting plate 32 to make articulated crooked more power of needs, the realization is to the articulated training of finger and palm junction.

Referring to fig. 1 and 2, the rotating assembly 6 includes two rotating plates 61 and two rotating shafts 62, the two rotating plates 61 of the rotating assembly 6 between the first finger tip plate 1 and the finger middle plate 2 are respectively and fixedly connected to the side surfaces of the first finger tip plate 1 and the finger middle plate 2 close to each other, the two rotating plates 61 are overlapped and abutted, the rotating shafts 62 are inserted into the overlapped and abutted positions of the two rotating plates 61, when the first finger tip plate 1 and the finger middle plate 2 rotate relatively, the two rotating plates 61 are not separated, so that the connectivity of the first finger tip plate 1 and the finger middle plate 2 is ensured; two rotating plates 61 of the rotating assembly 6 between the middle finger plate 2 and the first finger tail plate 31 are respectively fixedly connected to the side surfaces of the middle finger plate 2 and the first finger tail plate 31 close to each other.

Referring to fig. 3, the connecting assembly 7 includes a connecting band 71, a female buckle 72, and a male buckle 73, wherein one end of the connecting band 71 is fixedly connected to the first finger tip plate 1, the middle finger plate 2, and the side surface of the first finger tail plate 31 extending along the length direction of the finger, the female buckle 72 is fixedly connected to the other end of the connecting band 71, the male buckle 73 is fixedly connected to the first finger tip plate 1, the middle finger plate 2, and the first finger tail plate 31 far from the connecting band 71, and the male buckle 73 is adapted to the female buckle 72. When the finger tip fixing device is used, the connecting belt 71 is pulled to bypass the fingers, so that the female buckle 72 is buckled with the male buckle 73, and the first finger tip plate 1, the middle finger plate 2, the first finger tail plate 31 and the fingers are fixed.

Referring to fig. 1 and 4, a second fingertip plate 4 is arranged on the thumb, the second fingertip plate 4 is located at a position, close to a knuckle of a fingertip of the thumb, a second elastic component 5 is arranged between the connecting ring 8 and the second fingertip plate 4, the second elastic component 5 is elastically connected with the connecting ring 8, the second fingertip plate 4 is rotatably connected with the second elastic component 5, the rotation axis of the second fingertip plate 4 is parallel to the rotation axis of the finger, and a third tension spring 41 is arranged between the second fingertip plate 4 and the second elastic component 5; a connecting assembly 7 is arranged between the second finger tip plate 4 and the finger, and a sub-buckle 73 and a connecting belt 71 of the connecting assembly 7 are fixedly connected to the second finger tip plate 4. The second fingertip plate 4 and the thumb are fixed through the connecting assembly 7, the middle joint of the thumb is bent, the third tension spring 41 is stretched, resistance is provided for bending of the joint, and the middle joint of the thumb is exercised; the second elastic component 5 realizes the training of the joint at the joint of the thumb and the palm.

Referring to fig. 4, the second elastic assembly 5 includes a second finger board 51, a second connecting board 52, and a second spring 53, the second finger board 51 is located between the second finger board 4 and the joint of the thumb and the palm, the second connecting board 52 is fixedly connected to the second finger board 51, the second connecting board 52 extends from the side of the second finger board 51 away from the finger tip to above the connecting ring 8, the second spring 53 is fixedly connected between the second connecting board 52 and the connecting ring 8, the second finger board 4 is rotatably connected to the second finger board 51, a rotating assembly 6 is disposed between the second finger board 4 and the second finger board 51, two rotating boards 61 of the rotating assembly 6 are respectively fixedly connected to the sides of the second finger board 4 and the second finger board 51 close to each other, a third tension spring 41 is fixedly connected between the second finger board 4 and the second finger board 51, a connecting assembly 7 is disposed between the second finger board 51 and the thumb, the sub-button 73 and the connecting band 71 of the connecting assembly 7 are fixedly connected to the second finger board 51. Fix second finger caudal plate 51 and thumb through coupling assembling 7, the joint that crooked thumb and palm are connected, and second finger caudal plate 51 can drive second connecting plate 52 and rotate, and second spring 53 is stretched, provides the resistance for the rotation of second connecting plate 52 to make articulated bending need bigger power, realize the articulated training of thumb and palm junction.

Referring to fig. 3 and 4, a first connecting rod 812 and a second connecting rod 813 are fixedly connected to the connecting ring 8, one end of the first connecting rod 812, which is far away from the connecting ring 8, is rotatably connected to the first connecting plate 32, the rotation axis of the first connecting plate 32 is parallel to the rotation axis of the fingers, two first connecting rods 812 are provided, the two first connecting rods 812 are respectively located at two sides of the first connecting plate 32, and the joints of the first connecting rods 812 and the first connecting plate 32 are located at the joints where the little finger is connected with the palm; the end of the second connecting rod 813 far away from the connecting ring 8 is rotatably connected to the second connecting plate 52, the rotation axis of the second connecting plate 52 is parallel to the rotation axis of the fingers, and the joint of the second connecting rod 813 and the second connecting plate 52 is positioned at the joint of the thumb and the palm. The first connecting rod 812 plays a role in pulling between the first connecting plate 32 and the connecting ring 8, so that the first spring 33 is prevented from being bent when the first connecting plate 32 is close to the fingertip direction, the elastic force of the first spring 33 is used for preventing the first connecting plate 32 from tilting to a greater extent, and the training effect is improved; the second connecting rod 813 plays a role in pulling between the second connecting plate 52 and the connecting ring 8, so that the second spring 53 is prevented from being bent when the second connecting plate 52 is close to the fingertip direction, the elasticity of the second spring 53 is used for preventing the second connecting plate 52 from tilting to a greater extent, and the training effect is improved.

Referring to fig. 1, the first finger tip plate 1, the middle finger plate 2, the first finger tail plate 31, the second finger tip plate 4, the second finger tail plate 51, and the like are arranged on the finger, the side edge of the cross section perpendicular to the direction of the finger, which is close to the finger, is arc-shaped, and the center of the arc-shaped circle is located at one side close to the finger, that is, the first finger tip plate 1, the middle finger plate 2, the first finger tail plate 31, the second finger tip plate 4, and the second finger tail plate 51 are all arc-shaped structures and are sleeved on the finger. The connection between the first finger tip plate 1, the middle finger plate 2, the first finger tail plate 31, the second finger tip plate 4, the second finger tail plate 51 and fingers is facilitated to be enhanced, meanwhile, the squeezing of the fingers when the first finger tip plate 1, the middle finger plate 2, the first finger tail plate 31, the second finger tip plate 4 and the second finger tail plate 51 rotate is reduced, and the use experience of a user is improved.

Referring to fig. 4, the connection ring 8 is an elliptical ring adapted to fit the wrist, the connection ring 8 includes a first half ring 81 and a second half ring 82, one end of the first half ring 81 is rotatably connected to the second half ring 82, the rotation axis of the first half ring 81 is parallel to the axis of the connection ring 8, one end of the first half ring 81 away from the rotation point is fixedly connected with a first magnet 811, and one end of the second half ring 82 away from the rotation point is fixedly connected with a second magnet 821 matched with the first magnet 811. During the use, pull first semi-ring 81 and keep away from second semi-ring 82, remove go-between 8 and make the wrist be located between first semi-ring 81 and the second semi-ring 82, then rotate first semi-ring 81 and be close to second semi-ring 82 and make first magnet 811 adsorb with second magnet 821, accomplish wearing of go-between 8, then pull connecting band 71 and bypass the finger and detain female button 72 with son 73 lock, accomplish the fixed of fingerboard and finger for the recovered ware of grip wears convenient and fast.

The implementation principle of the grip strength rehabilitation device provided by the embodiment of the application is as follows: when the grip rehabilitation device is used, the first half ring 81 is pulled to be away from the second half ring 82, the connecting ring 8 is moved to enable the wrist to be located between the first half ring 81 and the second half ring 82, the first half ring 81 is rotated to be close to the second half ring 82 to enable the first magnet 811 and the second magnet 821 to be adsorbed, then the connecting belt 71 is pulled to bypass fingers to buckle the female buckle 72 and the male buckle 73, and wearing of the grip rehabilitation device is completed. The user actively bends the joints of the fingers to be trained, the first tension spring 11 provides resistance to the rotation of the first fingertip plate 1 so as to provide resistance to the bending of the joints of the fingers except the thumb, the second tension spring 21 provides resistance to the rotation of the middle fingertip plate 2 so as to provide resistance to the bending of the middle joints of the fingers except the thumb, the first spring 33 provides resistance to the rotation of the first connecting plate 32 and the first caudal plate 31 so as to provide resistance to the bending of the joints at the joints of the fingers except the thumb and the palm, the third tension spring 41 provides resistance to the rotation of the second fingertip plate 4 so as to provide resistance to the bending of the joints of the thumb near the fingertips, the second spring 53 provides resistance to the rotation of the second connecting plate 52 and the second caudal plate 51 so as to provide resistance to the bending of the joints of the thumb and the palm, so that the resistance exists in the bending of each joint, and the user needs to overcome the resistance to perform joint, and the autonomous training of each joint of the finger is realized.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A grip strength rehabilitation device is characterized in that: the finger tip plate comprises a first finger tip plate (1), wherein the first finger tip plate (1) is arranged on fingers except for thumbs, the first finger tip plate (1) is positioned at a joint from a fingertip to the finger and close to the fingertip, a middle finger plate (2) is arranged between the first finger tip plate (1) and the next joint, the middle finger plate (2) is rotatably connected with the first finger tip plate (1), the rotating axis of the middle finger plate is parallel to the rotating axis of the finger, and a first tension spring (11) is arranged between the middle finger plate (2) and the first finger tip plate (1); a connecting ring (8) is sleeved on a wrist of a user, a first elastic assembly (3) is arranged between the finger middle plate (2) and the connecting ring (8), the first elastic assembly (3) is elastically connected with the connecting ring (8), the finger middle plate (2) is rotatably connected with the first elastic assembly (3), the rotating axis of the finger middle plate is parallel to the rotating axis of the finger, and a second tension spring (21) is arranged between the finger middle plate (2) and the first elastic assembly (3);

a second fingertip plate (4) is arranged on the thumb, the second fingertip plate (4) is located at a joint from the fingertip of the thumb to the position close to the fingertip, a second elastic component (5) is arranged between the connecting ring (8) and the second fingertip plate (4), the second elastic component (5) is elastically connected with the connecting ring (8), the second fingertip plate (4) is rotatably connected with the second elastic component (5), the rotating axis of the second fingertip plate is parallel to the rotating axis of the finger, and a third tension spring (41) is arranged between the second fingertip plate (4) and the second elastic component (5);

connecting components (7) are arranged between the first finger tip plate (1) and the fingers, between the middle finger plate (2) and the fingers and between the second finger tip plate (4) and the fingers.

2. The grip rehabilitation apparatus of claim 1, wherein: the first elastic assembly (3) comprises a first finger tail plate (31), a first connecting plate (32) and a first spring (33), the first finger tail plate (31) is located between the finger middle plate (2) and the connection position of fingers and a palm, the first connecting plate (32) is fixedly connected with the first finger tail plate (31), the first connecting plate (32) extends to the upper side of the connecting ring (8) from the side, away from the finger tip, of the first finger tail plate (31), the first connecting plate (32) connects the first finger tail plates (31), and the first spring (33) is fixedly connected between the first connecting plate (32) and the connecting ring (8);

the middle finger plate (2) is rotatably connected to the first tail finger plate (31), the second tension spring (21) is arranged between the middle finger plate (2) and the first tail finger plate (31), and a connecting assembly (7) is arranged between the first tail finger plate (31) and a finger.

3. The grip rehabilitation apparatus of claim 2, wherein: the second elastic component (5) comprises a second finger tail plate (51), a second connecting plate (52) and a second spring (53), the second finger tail plate (51) is located between the second finger tip plate (4) and the connection position of fingers and a palm, the second connecting plate (52) is fixedly connected with the second finger tail plate (51), the second connecting plate (52) extends to the upper side of the connecting ring (8) from the side, away from the finger tips, of the second finger tail plate (51), the second spring (53) is fixedly connected between the second connecting plate (52) and the connecting ring (8), and a connecting component (7) is arranged between the second finger tail plate (51) and the fingers;

the second finger tip plate (4) is rotatably connected to the second finger tail plate (51), and the third tension spring (41) is arranged between the second finger tip plate (4) and the second finger tail plate (51).

4. The grip rehabilitation apparatus of claim 3, wherein: the connecting ring (8) is fixedly connected with first connecting rods (812), one ends, far away from the connecting ring (8), of the first connecting rods (812) are rotatably connected to the first connecting plate (32), the rotating axis of the first connecting plate (32) is parallel to the rotating axis of fingers, two first connecting rods (812) are arranged, and the two first connecting rods (812) are respectively located on two sides of the first connecting plate (32);

a second connecting rod (813) is fixedly connected to the connecting ring (8), one end, far away from the connecting ring (8), of the second connecting rod (813) is rotatably connected to the second connecting plate (52), and the rotating axis of the second connecting plate (52) is parallel to the rotating axis of the fingers.

5. The grip rehabilitation apparatus according to claim 3, wherein: the first finger tip plate (1), the middle finger plate (2), the first finger tail plate (31), the second finger tip plate (4) and the second finger tail plate (51) are arc-shaped along the side edge, close to the finger, of the cross section perpendicular to the finger direction, and the circle center of the arc is located on one side close to the finger.

6. The grip rehabilitation apparatus according to claim 4, wherein: the joint of the first connecting rod (812) and the first connecting plate (32) is positioned at the joint of the little finger and the palm, and the joint of the second connecting rod (813) and the second connecting plate (52) is positioned at the joint of the big finger and the palm.

7. The grip rehabilitation apparatus according to claim 3, wherein: coupling assembling (7) are detained (73) including connecting band (71), box (72), son, and son is detained (73) fixed connection in first indicate sharp board (1), indicate well board (2), first indicate tailboard (31), second indicate sharp board (4), second indicate tailboard (51) one side, box (72) lock is detained on son (73), connecting band (71) fixed connection in box (72), box (72) one end fixed connection is kept away from in connecting band (71) first indicate sharp board (1), indicate well board (2), first indicate tailboard (31), second indicate sharp board (4), second indicate tailboard (51) to keep away from son and detain (73) one side.

8. The grip rehabilitation apparatus of claim 1, wherein: the connecting ring (8) comprises a first half ring (81) and a second half ring (82), one end of the first half ring (81) is rotatably connected to the second half ring (82), the rotation axis of the first half ring (81) is parallel to the axis of the connecting ring (8), one end of the first half ring (81) far away from the rotation point is fixedly connected with a first magnet (811), and one end of the second half ring (82) far away from the rotation point is fixedly connected with a second magnet (821) matched with the first magnet (811).

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