CN115282568B

CN115282568B - Finger joint grip strength training device for children

Info

Publication number: CN115282568B
Application number: CN202211047939.4A
Authority: CN
Inventors: 张永梅; 李晓洁; 王佳乐
Original assignee: Jiangsu Health Vocational College
Current assignee: Jiangsu Health Vocational College
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-09-26
Anticipated expiration: 2042-08-30
Also published as: CN115282568A

Abstract

The invention discloses a finger joint grip strength trainer for children, which belongs to the technical field of finger joint rehabilitation training equipment and comprises a finger joint preheating mechanism, wherein the finger joint preheating mechanism comprises a positioning plate and a ball holding piece, the cross section of the ball holding piece is elliptical, the ball holding piece is positioned at one side of the positioning plate, the ball holding piece is internally provided with a grip strength training mechanism, the grip strength training mechanism comprises a center block, a first arc-shaped plate and a second arc-shaped plate, the second arc-shaped plate is smaller than the first arc-shaped plate in size, and the second arc-shaped plate is connected with the first arc-shaped plate through a hinge.

Description

Finger joint grip strength training device for children

Technical Field

The invention mainly relates to the technical field of knuckle rehabilitation training devices, in particular to a finger joint grip strength trainer for children.

Background

The metacarpophalangeal joint is composed of metacarpal bones small heads and proximal joints (section 1) phalangeal bottoms, the metacarpophalangeal joint of the thumb belongs to pulley joints, the other four fingers are ball joints, for patients with injuries of the metacarpophalangeal joints, a grip is usually needed to be used for rehabilitation training in a rehabilitation period, the activity of muscles near the metacarpophalangeal joints is improved, the stretching of muscle tissues and the blood circulation are facilitated, the flexibility is improved, and the purpose of shortening the rehabilitation period is achieved.

In the knuckle spring-grip that exists now, among the technical structure of application number CN201922147860.9 application, for example, including the spring-grip body, the spring-grip body is elastic rubber material, a plurality of in the spring-grip body is equipped with the mounting groove, and the mounting groove top is equipped with fixed arch, fixed arch is annular hollow structure, and fixed protruding outside is equipped with the screw thread groove, the fixed protruding outside is equipped with the lid, the spring has been cup jointed to the mounting groove inside, and the spring both ends are equipped with the gasket, and the spring-grip body middle part is equipped with the recess, the recess is annular structure, the shell fragment has been cup jointed in the recess inside, spring-grip body side is equipped with the anti-skidding groove, spring-grip body both ends are equipped with elastic cord, the elastic cord end is equipped with elasticity bracelet, this structure is providing the helping hand for patient's recovery of knuckle, but at present such spring-grip intensity is too big, and the ability that does not have knuckle and preheat only can provide training help for adult children, but is inapplicable to those, the knuckle muscle tissue of children is weaker, and the muscle injury easily causes when using the present children in the city.

Disclosure of Invention

The technical scheme of the invention aims at the technical problem that the prior art is too single, provides a solution which is obviously different from the prior art, and particularly mainly provides a finger joint grip strength trainer for children, which is used for solving the technical problem in the prior art.

The technical scheme adopted for solving the technical problems is as follows:

the finger joint preheating mechanism comprises a positioning plate and a ball holding piece, the cross section of the ball holding piece is elliptical, the ball holding piece is positioned on one side of the positioning plate, a grip strength training mechanism is arranged in the ball holding piece, the grip strength training mechanism comprises a center block, a first arc-shaped plate and a second arc-shaped plate, the size of the second arc-shaped plate is smaller than that of the first arc-shaped plate, and the second arc-shaped plate is connected with the first arc-shaped plate through a hinge;

an electric push rod is arranged in an inner cavity of a positioning plate in the knuckle preheating mechanism, one end of the electric push rod is connected with the inner wall of the positioning plate, a moving end of the electric push rod is connected with a transmission gear through a rotating shaft, the length of the transmission gear is large, a threaded column is arranged at one end, far away from the electric push rod, of the transmission gear, a motor is arranged at one side, close to the transmission gear, of the transmission gear, a shell of the motor is connected with the inner wall of the positioning plate through a bolt, a driving gear is arranged at the output end of the motor, and the driving gear is in meshed connection with the transmission gear;

the elastic ball holding device is characterized in that three reset springs are linearly arranged between a first arc-shaped plate and a central block in the holding strength training mechanism at equal intervals, one reset spring is arranged between a second arc-shaped plate and the central block, one side, far away from the reset spring, of the first arc-shaped plate is provided with a first transmission rod, a second transmission rod, a third transmission rod and a fourth transmission rod at equal intervals along an outer arc, the second transmission rod is longest, the fourth transmission rod is shortest, the first transmission rod and the third transmission rod are equal in length, one side, far away from the reset spring, of the second arc-shaped plate is provided with a fifth transmission rod, each transmission rod penetrates through the outer wall of a ball holding piece, the outer end, located outside the ball holding piece, of each transmission rod is provided with an elastic sleeve ring, finger tips are arranged at the outer circle positions of one side of the elastic sleeve rings, near one side of the central block, of a threaded cylinder, and the threaded cylinder are meshed with each other.

Preferably, the first arc and the second arc downside are provided with two first spacing sliders and a first spacing slider respectively, every first spacing slider all sliding connection has first spacing spout, and three first spacing spout all is towards the center piece orientation.

Preferably, two second limiting sliding blocks are arranged at the lower side of the central block, each second limiting sliding block is connected with a second limiting sliding groove in a sliding mode, and the two second limiting sliding grooves are parallel to the length direction of the threaded column.

Preferably, a power supply box and a mobile power supply in the power supply box are arranged on one side of the inner wall of the positioning plate, and the power supply box is electrically connected with the electric push rod and the motor through wires respectively.

Preferably, the center piece upside is provided with down the locating hole, lower locating hole joint has the reference column, and the upper end joint of reference column has last locating hole, and two locating hole sizes are the same.

Preferably, a pull ring is arranged at the upper end of the positioning column.

Preferably, the opening position of the upper surface of the outer wall of the positioning plate is hinged with a protective cover.

Preferably, the arc-shaped surface of the lower side of the positioning plate is provided with an anti-slip elastic pad.

Preferably, the grooves on two sides of the outer wall of the positioning plate are internally provided with supporting shafts, and the two supporting shafts are jointly provided with positioning binding belts.

Compared with the prior art, the invention has the beneficial effects that:

(1) According to the invention, after the ball holding piece is placed in the palm of a child, the positioning plate is tied on the arm of the child by the positioning strap, and the maximum static friction force of the contact surface is increased on the premise of improving the comfort level of the contact surface by the anti-slip elastic pad, so that the trainer can be stably arranged on the arm of the child, and the problem that the exercise points of muscles around the joints are wrong and are unfavorable for recovery due to the inappropriateness of the children with multiple movements in the training process is avoided;

(2) According to the invention, through the electric push rod, the transmission gear, the threaded column, the motor, the driving gear, the power box, the mobile power supply, the positioning plate and the ball holding piece, the group with weak hand muscle tissue strength of a pediatric patient is realized, the muscle near the finger joints of the child can be passively warmed up before the rehabilitation period of the finger joints of the pediatric patient, the muscle tissue injury of the child in the training process is effectively avoided, the safety of the user is further improved, and the muscle tissue near the finger joints is conveniently stretched and the flexibility of the finger joints is greatly improved by the mutual matching among the central block, the reset spring, the first arc plate, the first transmission rod, the second transmission rod, the third transmission rod, the fourth transmission rod, the second arc plate, the fifth transmission rod, the elastic lantern ring and the fingertip protective sleeve, so that the muscle training can be actively performed by the child after the finger joints are warmed up, and the muscle memory near the finger joints of the previous finger joints of the user can be formed under the condition of subconscious consciousness, the training can be more standard, the muscle tissue near the finger joints can be better improved, the finger joints can be conveniently stretched and the flexibility of the finger joints is greatly shortened, and the rehabilitation period is greatly shortened.

The invention will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the locating plate and the ball holding member of the present invention;

FIG. 3 is a schematic view of the connection structure of the ball grip and the driving rod of the present invention;

FIG. 4 is a schematic top cross-sectional view of the internal structure of the locating plate and ball grip of the present invention;

fig. 5 is an enlarged schematic view of the area of fig. 4A.

Description of the drawings: 1. a finger joint preheating mechanism; 11. positioning the plate; 111. a protective cover; 112. an anti-slip elastic pad; 113. a support shaft; 12. a ball holding piece; 121. an upper positioning hole; 13. an electric push rod; 14. a transmission gear; 15. a threaded column; 16. a motor; 17. a drive gear; 18. a power supply box; 181. a mobile power supply; 2. a grip training mechanism; 21. a center block; 211. a lower positioning hole; 212. positioning columns; 213. a pull ring; 22. a return spring; 23. a first arcuate plate; 231. a first transmission rod; 232. a second transmission rod; 233. a third transmission rod; 234. a fourth transmission rod; 24. a second arcuate plate; 241. a fifth transmission rod; 25. the first limiting slide block; 251. the first limiting chute; 26. an elastic collar; 261. a fingertip protective sleeve; 27. the second limit sliding block; 271. the second limiting chute; 28. a thread cylinder; 3. the strap is positioned.

Detailed Description

In order that the invention may be more fully understood, a more particular description of the invention will be rendered by reference to the appended drawings, in which several embodiments of the invention are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the invention.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly connected to one of ordinary skill in the art to which this invention belongs, and the knowledge of terms used in the description of this invention herein for the purpose of describing particular embodiments is not intended to limit the invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-5, a finger joint grip training device for children includes a finger joint preheating mechanism 1, wherein the finger joint preheating mechanism 1 includes a positioning plate 11 and a ball holding member 12, the cross section of the ball holding member 12 is elliptical, the ball holding member 12 is located at one side of the positioning plate 11, a grip training mechanism 2 is disposed in the ball holding member 12, the grip training mechanism 2 includes a center block 21, a first arc plate 23 and a second arc plate 24, the second arc plate 24 is smaller than the first arc plate 23 in size, and the second arc plate 24 is connected with the first arc plate 23 through a hinge; an electric push rod 13 is arranged in an inner cavity of a positioning plate 11 in the knuckle preheating mechanism 1, one end of the electric push rod 13 is connected with the inner wall of the positioning plate 11, a moving end of the electric push rod 13 is connected with a transmission gear 14 through a rotating shaft, the length of the transmission gear 14 is large, a threaded column 15 is arranged at one end of the transmission gear 14 far away from the electric push rod 13, a motor 16 (which is a variable-speed motor 16 in the market) is arranged at one side of the transmission gear 14, a shell of the motor 16 is connected with the inner wall of the positioning plate 11 through a bolt, a driving gear 17 is arranged at an output end of the motor 16, and the driving gear 17 is in meshed connection with the transmission gear 14; three return springs 22 are linearly arranged between the first arc-shaped plate 23 and the center block 21 in the grip training mechanism 2 at equal intervals, one return spring 22 is arranged between the second arc-shaped plate 24 and the center block 21, a first transmission rod 231, a second transmission rod 232, a third transmission rod 233 and a fourth transmission rod 234 are sequentially arranged on one side, far away from the return spring 22, of the first arc-shaped plate 23 at equal intervals along an outer arc, the second transmission rod 232 is longest, the fourth transmission rod 234 is shortest, the first transmission rod 231 is equal in length with the third transmission rod 233, a fifth transmission rod 241 is arranged on one side, far away from the return spring 22, of the second arc-shaped plate 24, each transmission rod penetrates through the outer wall of the ball holding piece 12, an elastic sleeve 26 is arranged on one end, located on the outer side of the ball holding piece 12, of each transmission rod is provided with a 261, a threaded cylinder 28 is arranged on one side, close to the threaded cylinder 15, of the center block 21, and the threaded cylinder 28 is meshed with the threaded cylinder 15.

The structure realizes the grip strength training of a pediatric patient in the rehabilitation period of metacarpophalangeal joints through the mutual coordination between the knuckle preheating mechanism 1 and the grip strength training mechanism 2, can warm up the muscles near the knuckles before training, effectively avoids the injury of muscle tissues of children in the training process, improves the activity of the muscles near the knuckles, is convenient for the stretching of the muscle tissues and the promotion of blood circulation, is beneficial to improving the flexibility of fingers, greatly shortens the rehabilitation period, and has no sharp angle as a whole, avoids the collision injury of children in use and improves the safety;

the specific operation is as follows, firstly, checking whether each device on the whole training device has damage condition, after ensuring no damage, putting the ball holding piece 12 on the hand of the child needing rehabilitation training, and sleeving five elastic collars 26 on five fingers respectively, so that the small arms of the child keep horizontal, the included angle between the small arms and the large arms is ninety degrees, then binding one side of the positioning plate 11 with the anti-slip elastic pad 112 on the small arms by using the positioning binding band 3, then pulling the pull ring 213, pulling the positioning column 212 out of the lower positioning hole 211 and the upper positioning hole 121, then driving the center block 21 to linearly move back and forth by the electric push rod 13 through the threaded column 15, then driving the first arc-shaped plate 23 and the second arc-shaped plate 24 to linearly move back and forth along the direction of the respective first limiting sliding groove 251, therefore, five fingers are driven to perform opening and closing movements through the five transmission rods and the elastic lantern ring 26 on each transmission rod, the effect of warming up the joints of the fingers is achieved, due to the fact that the reset spring 22 is linked, a certain buffering delay effect is achieved, weak joint muscles of children are better adapted, after warming up, under the action of the electric push rod 13, the center block 21 is reset, then the positioning column 212 is inserted into the two positioning holes again, the center block 21 is fixed in position, then the motor 16 is started, the transmission gear 14 is driven to rotate through the driving gear 17, the threaded column 15 is driven to rotate, meanwhile, the electric push rod 13 is shortened, the threaded column 15 is separated from the threaded cylinder 28, then the children can independently control the fingers to squeeze the reset spring 22 to perform opening and closing movements, muscle tissues are stretched, and blood circulation is promoted.

In the second embodiment, please refer to fig. 1, 2 and 3, the upper side of the center block 21 is provided with a lower positioning hole 211, the lower positioning hole 211 is clamped with a positioning column 212, the upper end of the positioning column 212 is clamped with an upper positioning hole 121, the two positioning holes have the same size, the center block 21 is positioned in the ball holding member 12 through the mutual cooperation between the two positioning holes and the positioning column 212, the upper end of the positioning column 212 is provided with a pull ring 213, the provision of a force point is realized through the pull ring 213, a user can conveniently pull the positioning column 212, the opening position of the upper surface of the outer wall of the positioning plate 11 is hinged with a protective cover 111, the opening position of the positioning plate 11 is sealed by the protective cover 111, the internal device is protected, the arc surface of the lower side of the positioning plate 11 is provided with an anti-slip elastic pad 112, the grooves on the two sides of the outer wall of the positioning plate 11 are respectively provided with a supporting shaft 113, the two supporting shafts 113 are jointly provided with a positioning strap 3, and the mutual cooperation between the positioning strap 3 and the anti-slip elastic pad 112 is realized, so that the contact comfort of a child is improved, and the contact arm is further stabilized on the premise that the contact force of a user is increased.

In the third embodiment, please refer to fig. 4 and 5, two first limiting slides 25 and a first limiting slide 25 are respectively disposed on the lower sides of the first arc plate 23 and the second arc plate 24, each first limiting slide 25 is slidably connected with a first limiting slide 251, and three first limiting slide 251 face the direction of the central block 21, limiting of the moving direction of the first arc plate 23 and the second arc plate 24 is achieved through mutual matching between the first limiting slide 25 and the first limiting slide 251, two second limiting slide 27 are disposed on the lower side of the central block 21, each second limiting slide 27 is slidably connected with a second limiting slide 271, the two second limiting slide 271 are parallel to the length direction of the threaded column 15, limiting of the moving direction of the central block 21 is achieved through mutual matching between the second limiting slide 27 and the second limiting slide 271, a power box 18 and a moving power 181 in the power box 18 are disposed on one side of the inner wall of the positioning plate 11, and the power box 18 is electrically connected with an electric push rod 13 and an electric push rod 13 through a wire, and the electric push rod 16 is electrically connected with the electric push rod 18 through a motor 13.

While the invention has been described above with reference to the accompanying drawings, it will be apparent that the invention is not limited to the embodiments described above, but is intended to be within the scope of the invention, as long as such insubstantial modifications are made by the method concepts and technical solutions of the invention, or the concepts and technical solutions of the invention are applied directly to other occasions without any modifications.

Claims

1. The utility model provides a children knuckle grip trainer, includes knuckle preheating mechanism (1), its characterized in that, knuckle preheating mechanism (1) is including location plate (11) and hold ball spare (12), and holds the cross-section of ball spare (12) and be oval, holds ball spare (12) and be located location plate (11) one side, be provided with grip training mechanism (2) in holding ball spare (12), grip training mechanism (2) include center piece (21), first arc (23) and second arc (24), second arc (24) size is less than first arc (23), and connects through the hinge between second arc (24) and the first arc (23);

an electric push rod (13) is arranged in an inner cavity of a positioning plate (11) in the knuckle preheating mechanism (1), one end of the electric push rod (13) is connected with the inner wall of the positioning plate (11), a moving end of the electric push rod (13) is connected with a transmission gear (14) through a rotating shaft, the length of the transmission gear (14) is large, one end, far away from the electric push rod (13), of the transmission gear (14) is provided with a threaded column (15), a motor (16) is arranged on one side, close to the transmission gear (14), of the transmission gear, a shell of the motor (16) is connected with the inner wall of the positioning plate (11) through a bolt, a driving gear (17) is arranged at the output end of the motor (16), and the driving gear (17) is in meshed connection with the transmission gear (14);

the hand grip training mechanism is characterized in that three reset springs (22) are linearly arranged between a first arc-shaped plate (23) and a center block (21) in the hand grip training mechanism (2) at equal intervals, one reset spring (22) is arranged between a second arc-shaped plate (24) and the center block (21), one side, far away from the reset spring (22), of the first arc-shaped plate (23) is provided with a first transmission rod (231), a second transmission rod (232), a third transmission rod (233) and a fourth transmission rod (234) at equal intervals along an outer arc, the second transmission rod (232) is longest, the fourth transmission rod (234) is shortest, the first transmission rod (231) and the third transmission rod (233) are equal in length, one side, far away from the reset spring (22), of the second arc-shaped plate (24) is provided with a fifth transmission rod (241), each transmission rod penetrates through the outer wall of a holding ball piece (12), one end, located outside the holding ball piece (12), of each transmission rod is provided with an elastic sleeve (26), the position of the five elastic sleeve (26) is provided with a first transmission rod (261), and the positions of the outer sleeve (26) are close to one side of the center block (21) are provided with threads (28), and threads (28) are meshed with one side of the threads (15).

2. The finger joint grip training device for children according to claim 1, wherein two first limiting sliding blocks (25) and one first limiting sliding block (25) are respectively arranged on the lower sides of the first arc-shaped plate (23) and the second arc-shaped plate (24), each first limiting sliding block (25) is slidably connected with a first limiting sliding groove (251), and three first limiting sliding grooves (251) face the direction of the central block (21).

3. The finger joint grip training device for children according to claim 2, wherein two second limiting sliding blocks (27) are arranged at the lower side of the central block (21), each second limiting sliding block (27) is slidably connected with a second limiting sliding groove (271), and the two second limiting sliding grooves (271) are parallel to the length direction of the threaded column (15).

4. The finger joint grip trainer for children according to claim 1, wherein a power box (18) and a mobile power supply (181) in the power box (18) are arranged on one side of the inner wall of the positioning plate (11), and the power box (18) is electrically connected with the electric push rod (13) and the motor (16) through wires respectively.

5. A child knuckle grip training device according to claim 3, characterized in that a lower positioning hole (211) is provided on the upper side of the center block (21), the lower positioning hole (211) is clamped with a positioning column (212), the upper end of the positioning column (212) is clamped with an upper positioning hole (121), and the two positioning holes have the same size.

6. The finger joint grip trainer for children according to claim 5, wherein the upper end of the positioning column (212) is provided with a pull ring (213).

7. The finger joint grip trainer for children according to claim 4, wherein the opening position of the upper surface of the outer wall of the positioning plate (11) is hinged with a protective cover (111).

8. A child knuckle grip exerciser according to claim 7, characterized in that the arcuate surface of the underside of the positioning plate (11) is provided with a slip resistant resilient pad (112).

9. The finger joint grip trainer for children according to claim 8, wherein supporting shafts (113) are arranged in grooves on two sides of the outer wall of the positioning plate (11), and positioning binding bands (3) are arranged on the two supporting shafts (113) together.