LU501220B1 - Hand action training device - Google Patents

Abstract

A hand movement training device, including: a graphic drawing board, the top surface of which is provided with a practice groove for line drawing practice; the practice pen comprises a pen case, a core rod, an elastic member and a slider. The core rod is slidably arranged in the pen case, and one end of the core rod extends out of the pen tip of the pen case; the elastic member is arranged in the pen case, one end of the elastic member is connected with the pen case, The other end of the elastic piece is connected with the core rod, and the elastic piece provides elastic force to prevent the core rod from shrinking into the pen case; the slider is hinged with one end of the core rod extending out of the pen case, and the slider is slidably arranged in the practice groove.

Description

DESCRIPTION 001220

HAND ACTION TRAINING DEVICE

TECHNICAL FIELD The invention relates to the technical field of rehabilitation training equipment, in particular to a hand movement training device.

BACKGROUND Most children with cerebral palsy or development disorder have upper limb dysfunction, especially poor development of fine hand movements. Lack of hand strength, coordination and dexterity, poor hand-eye coordination, which affect the development of their living ability. Practice has proved that fine movement training can cultivate hand flexibility and accuracy, improve hand-eye coordination ability, and promote and restore the development of thinking ability.

Fine hand training includes grasping training, turning and uncovering training, twisting training, jack training and line drawing training, etc. The existing practice methods of drawing lines usually use paper and pen for tracing red. Due to the high coordination requirements of the opponent, eyes and brain in line drawing practice, strokes do not meet the line, paper is cut and lines are drawn off in the early training, which easily leads to anxiety and frustration among the trained children and is not conducive to the smooth training. At the same time, the paper-and-pencil tracing training can't train children to grasp the stroke lines, which limits the training effect.

SUMMARY Aiming at the shortcomings of the prior art, the invention provides a hand movement training device. It can train children to control the strength of grasping strokes and lines, and can avoid the conditions like not going out of line, cutting paper, line drawing deviation, etc., and prevent the trained children from generating negative emotions.

To achieve the above object, the hand movement training device of the present invention includes: A graphic drawing board, the top surface of which is provided with a practice groove for line drawing practice;

The practice pen comprises a pen case, a core rod, an elastic member and a slider, 001220 wherein the core rod is slidably arranged in the pen case, and one end of the core rod extends out of the pen tip of the pen case; the elastic member 1s arranged in the pen case, one end of the elastic member is connected with the pen case, the other end of the elastic member 1s connected with the core rod, and the elastic member provides elasticity to prevent the core rod from retracting into the pen case; the slider 1s hinged with one end of the core rod extending out of the pen case, and the slider 1s slidably arranged in the practice groove.

In one embodiment, the pen case is also provided with an indicator light, a battery, a first contact and a second contact; two poles of the battery are respectively connected with the first contact and one terminal of the indicator lamp, and the other terminal of the indicator lamp is connected with the second contact; À connecting contact is arranged on the core rod, and the core rod retracts into the pen case under external force to make the first contact and the second contact conduct through the connecting contact, and the elimination of external force on the core rod can make the first contact and the second contact disconnect.

In one embodiment, the pen case is provided with an installation cavity extending along its axial direction, and the first contact and the second contact are arranged on the inner wall of the installation cavity at intervals along the axial direction of the pen case; the core rod is slidably inserted into the installation cavity, and the connecting contact is arranged on the side wall of the core rod. The sliding of the core rod can make the connecting contact contact with the first contact and the second contact at the same time, or at least separate from one of the first contact and the second contact.

In one embodiment, the number of the indicator lights and the second contacts is multiple, and the indicator lights are respectively connected with the second contacts in one-to-one correspondence; the second contacts are arranged on the inner wall of the mounting cavity at intervals along the axial direction of the pen case, and the second contacts are arranged on the same side of the first contacts; the slide of that core rod can independently conduct the first contact with any second contact through 001220 the connecting contact.

In one embodiment, the first contact and the second contact have a cylindrical structure, and the core rod and the connecting contact are inserted into the cylindrical structure.

In one embodiment, the width of the opening of the practice groove 1s less than the width of the bottom of the practice groove; One end of the slider near the bottom of the practice groove 1s provided with a lower limit part, and the width of the lower limit part is larger than the width of the opening of the practice groove.

In one embodiment, the core rod is provided with a ejector; the pen case is screwed with an ejector, the axial direction of the thread of the ejector is parallel to the axial direction of the pen case, one end of the elastic member is connected with the ejector, and the other end of the elastic member is connected with the ejector.

In one embodiment, that pen case is provide with a limiting part, and the core rod is provide with an anti-dropping part, and the sliding of the core rod can make the anti-dropping part collide with the limiting part to prevent the core rod from drop out of the pen case.

In one embodiment, the pen case is provided with a pen holder which is sleeved on the outer wall of the pen case, and the pen holder is provided with a fixing sleeve for fixing the index finger and thumb.

According to the hand action training device of the technical scheme, when in use, the slide block is driven to slide along the practice groove by holding the practice pen by hand, and the practice groove limits the direction of the pen tip of the practice pen through the slide block, so that children can passively adjust and adapt to the line drawing posture, cultivate the hand feeling of children in line drawing, and realize the purpose of action training. Under the action of the elastic member, by controlling the length of the core rod retracted into the pen case during the line drawing process, the strength of children's grip on the stroke line can be trained. The slider slides in the practice groove, without using ordinary paper or writing pen, the situation that the strokes do not go out of line or cut the paper will not happen, and the practice pen will not draw off, which can prevent the trained children from generating negative 001220 emotions.

By controlling the length that the core rod retracts into the pen case to control whether the indicator light is turned on or off, it is possible to observe whether the strength of grasping the stroke line changes or not through the state of the indicator light, which is convenient for training the control ability of hand strength. A plurality of indicator lights are set, and different indicator lights correspond to different strengths of stroke line grasping, so that stroke line grasping training with different strengths can be conveniently carried out by controlling the switch state of different indicator lights.

The first contact and the second contact have a cylindrical structure, which can keep the connecting contact in contact with the first contact and the second contact when the core rod rotates. Improve the reliability of the indicator lamp.

BRIEF DESCRIPTION OF THE FIGURES In order to explain the specific embodiment of the present invention more clearly, the drawings needed in the specific embodiment will be briefly introduced below. In all drawings, elements or parts are not necessarily drawn to actual scale.

Fig. 1 is a schematic structural diagram of a hand movement training device provided by an embodiment of the present invention; Fig. 2 is a front sectional view of the practice pen of the hand movement training device shown in fig. 1; Fig. 3 is a front partial sectional view of the core rod of the hand movement training device shown in fig. 1; Fig. 4 is an enlarged view a of the practice pen of the hand movement training device shown in fig. 1; Fig. 5 is a schematic structural diagram of the pen holder of the hand movement training device shown in fig. 1; Reference number: 1- drawing board, 11- practice groove, 2- practice pen, 21- pen case, 211- front case, 2111- mounting cavity, 2112- limiting part 2112, 212-rear case, 213- pusher

214-indicator light, 215- battery, 216- first contact, 217-second contact, 22- core rod, 17501820 221- ejector, 222- anti-dropping part, 223- connecting contact, 23- elastic part, 24- slider, 241- lower limit part, 25- pen holder.

DESCRIPTION OF THE INVENTION Embodiments of the technical scheme of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only used to more clearly illustrate the technical scheme of the present invention, so they are only examples, and cannot be used to limit the scope of protection of the present invention. It should be noted that unless otherwise stated, the technical terms or scientific terms used in this application should have the ordinary meaning understood by the technicians in the field to which this invention belongs.

In the description of this application, it should be understood that the terms center, longitudinal direction, lateral direction, length, width, thickness, top, bottom, front, back, left, right, vertical and horizontal are for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a limitation of the present invention. In addition, the terms "first", "second" and so on are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. In the description of the present invention, "plural" means more than two, unless otherwise specifically defined.

Please refer to fig. 1 and fig. 2, the hand movement training device in one embodiment of the present invention includes: graphic drawing board 1 and practice pen 2, which are used for children's hand drawing training, can train children to control the strength of grasping stroke lines, and can avoid the occurrence of strokes not going out of line, cutting paper, line drawing deviation, etc., and avoid negative emotions of trained children.

Referring to figs. 1 to 2, specifically, the top surface of the graphic drawing board 1 is provided with a practice groove 11 for line drawing practice. Graphic drawing board 1 is used for line drawing training instead of paper, and practice groove 001220 11 is used as stroke or spline for stroke practice. The general shape of the practice groove 11 can be simple shapes such as horizontal lines, vertical lines or circles, or it can be a simple figure shape such as fruits, flowers and animals formed by a plurality of connected grooves.

Referring to fig. 3, the practice pen 2 includes a pen case 21, a core rod 22, an elastic member 23 and a slider 24. The pen case 21 is used for mounting other components and for holding. In one embodiment, in order to facilitate the installation of each component, the pen case 21 includes a front case 211 near one end of the pen tip and a rear case 212 far away from the pen tip. The rear case 212 is mounted on the end of the front case 211 away from the pen tip. The core rod 22 1s slidably arranged in the pen case 21, and one end of the core rod 22 extends out of the pen tip of the pen case 21. The rod 22 is slidably installed in the inner cavity of the front case 211. The rod 22 can slide in the axial direction of the pen case 21. The front end of the rod 22 protrudes from the front case 211 as one end of the pen tip. In one embodiment, the core rod 22 has a circular rod-like structure.

The elastic member 23 is arranged in the pen case 21. One end of the elastic member 23 is connected with the pen case 21, and the other end of the elastic member 23 is connected with the core rod 22. The elastic force provided by the elastic member 23 prevents the core rod 22 from retracting into the pen case 21. The elastic member 23 is installed in the inner cavity of the pen case 21. Specifically, the core rod 22 is provided with a ejector 221. An pusher 213 is screwed on the pen case 21. The axial direction of the screw thread of the pusher 213 is parallel to the axial direction of the pen case 21. One end of the elastic member 23 is connected with the ejector 221, and the other end of the elastic member 23 is connected with the pusher 213. In one embodiment, the end face of the tail end of the core rod 22 is the ejector 221. The pusher213 is screwed on the rear case 212. One end of the pusher 213 extends into the inner cavity of the front case 211. The elastic member 23 is installed in the inner cavity of the front case 211, one end of the elastic member 23 abuts against the ejector 221, and the other end of the elastic member 23 abuts against the pusher 213. In one embodiment, the pusher 213 is a stud. Adjusting the screwing length between the 001220 pusher 213 and the rear case 212 can control the compressed length of the elastic member 23. Thereby adjusting the resistance of the core rod 22 to retract into the pen case 21. In one embodiment, the pen case 21 is provided with a limiting part 2112, and the core rod 22 is provided with an anti-dropping part 222. The sliding of the core rod 22 can make the anti-dropping part 222 collide with the limiting part 2112 and prevent the core rod 22 from falling out of the pen case 21. Specifically, the diameter of the core rod 22 changes stepwise, and the diameter of the rear end of the core rod 22 is larger than that of the front end of the core rod 22. The diameter of the inner cavity of the pen case 21 also changes stepwise, and the diameter of the inner cavity of the pen case 21 gradually increases from the tip of the pen to the tail of the pen. The transitional connecting part between the tail end of the core 22 and its previous section is the anti-dropping part 222. The body of the pen case 21 in the transition area between the last section of the inner cavity of the pen case 21 and the previous section is the limiting part 2112. In one embodiment, the elastic member 23 is a spring. It can be understood that the elastic member 23 can also be a rubber member or other elastic structure.

Referring to fig. 4, the slider 24 is ball-hinged with one end of the core rod 22 extending out of the pen case 21, and the slider 24 is slidably arranged in the practice groove 11. Specifically, the front end of the core rod 22 is provided with a ball joint, and the top surface of the slider 24 is provided with a ball hinge seat. The cooperation between the ball head and the ball hinge seat enables three degrees of freedom of rotation between the core rod 22 and the slider 24, and the practice pen 2 can adapt to different pen holding angles. It can be understood that in order to facilitate the installation of the ball head, the slider 24 can be assembled by a plurality of components. Two side walls of the practice groove 11 restrict the slider 24 to prevent the slider 24 from sliding out of the practice groove 11. In one embodiment, the width of the opening of the practice groove 11 is smaller than the width of the groove bottom of the practice groove 11. An end of the slider 24 near the bottom of the practice groove 11 is provided with a lower limit part 241. The width of the lower lower limit part 241 is larger than the width of the opening of the practice groove 11. 7501220 The slider 24 can be confined in the practice groove 11 to prevent the slider 24 from being pulled out of the practice groove 11 upwards. Specifically, the lower limit part 241 is arranged between the opening of the practice groove 11 and the bottom of the practice groove 11. In one embodiment, the practice groove 11 is a T-shaped groove. The slider 24 has a stepped cylindrical structure, and the diameter of the bottom part of the slider 24 is larger than that of the middle part as the lower limit part 241.

In an embodiment, the pen case 21 is further provided with an indicator light 214, a battery 215, a first contact 216 and a second contact 217. The two poles of the battery 215 are respectively connected with the first contact 216 and a terminal of the indicator light 214. The other terminal of the indicator lamp 214 is connected with a second contact 217. The rod 22 is provided with a connecting contact 223. When the core rod 22 is retracted into the pen case 21 by external force, the first contact 216 and the second contact 217 can be conducted through the connecting contact 223, and the first contact 216 and the second contact 217 can be disconnected by the elimination of external force on the core rod. Specifically, the pen case 21 is provided with a mounting cavity 2111 extending along its axial direction. The first contact 216 and the second contact 217 are arranged on the inner wall of the mounting cavity 2111 at intervals along the axial direction of the pen case 21. The rod 22 is slidably inserted into the mounting cavity 2111. The connecting contacts 223 are arranged on the side wall of the core rod 22. The slide of that rod 22 can make the connecting contact 223 contact with the first contact 216 and the second contact 217 at the same time, or at least disengage from one of the first contact 216 and the second contact 217. In an embodiment, the first contact 216 and the second contact 217 have a cylindrical structure, and the core rod 22 and the connecting contact 223 are inserted into the cylindrical structure. The cylindrical structure of the first contact 216 and the second contact 217 can keep the connecting contact 223 in contact with the first contact 216 and the second contact 217 when the core rod 22 rotates. The reliability of the operation of the indicator light 214 is improved. In one embodiment, the inner cavity of the front case 211 is the mounting cavity 2111. The first contact 216 and the second contact 217 are nested on the inner wall of the mounting cavity 2111. The connecting 001220 contact 223 is a metal conductor sheet with two ends curled to form a contact, and the connecting contact 223 is arranged along the axial direction of the core rod 22. The rod 22 slides, the contact at the lower end of the connecting contact 223 always keeps in contact with the first contact 216, and the contact at the upper end of the connecting contact 223 can contact or separate from the second contact 217. The indicator light 214 and the battery 215 are mounted on the rear case 212. The lead wires between the indicator light 214 and the battery 215 and the first contact 216 and the second contact 217 can be directly connected, or they can be detachably connected by arranging mating pins and sockets on the mating surfaces of the front case 211 and the rear case 212, respectively.

When the strength of the hand holding the stroke line reaches the set value, the core rod 22 is forced to slide into the pen case 21 by a corresponding length, and the connecting contact 223 connects the indicator light 214 with the battery 215, and the indicator light 214 lights up.

By controlling the length of the core rod 22 retracted into the pen case 21 to control whether the indicator light 214 1s turned on or off, it is possible to observe whether the strength of grasping stroke lines changes or not through the state of the indicator light 214, which is convenient for training the control ability of hand strength.

In an embodiment, the number of the indicator lights 214 and the second contacts 217 is multiple.

The indicator lights 214 are respectively connected with the second contacts 217 in one-to-one correspondence.

The second contacts 217 are arranged on the inner wall of the mounting cavity 2111 at intervals along the axial direction of the pen case 21, and the second contacts 217 are arranged on the same side of the first contacts 216. The slide of that rod 22 can independently conduct the first contact 216 with any second contact 217 through the connecting contact 223. À plurality of indicator lights 214 are arranged, and different indicator lights 214 correspond to different strengths of stroke line grasping, so that stroke line grasping training with different strengths can be conveniently carried out by controlling the switch state of different indicator lights 214. At the same time, it increases the interest of practice.

Referring to fig. 5, in one embodiment, a pen holder 25 is arranged on the pen 001220 case 21, and the pen holder 25 1s sleeved on the outer wall of the pen case 21, and a fixing sleeve for fixing the index finger and thumb is arranged on the pen holder 25. The trained children can better hold the practice pen 2 through the pen holder 25, and it is more convenient to control the strength of the pen holder.

According to the hand movement training device of the above technical scheme, when in use, the practice pen 2 is held by hand to drive the slider 24 to slide along the practice groove 11, and the practice groove 11 limits the direction of the tip of the practice pen 2 through the slider 24, so that children can passively adjust and adapt to the line drawing posture, cultivate the hand feeling of children in line drawing, and realize the purpose of movement training. Under the action of the elastic member 23, by controlling the length of the core rod 22 retracted into the pen case 21 in the process of drawing lines, it is possible to train the strength of children's grasping strokes. The slider 24 slides in the practice groove 11, without using ordinary paper or writing pen, and there will be no case that the strokes do not go out of line or cut the paper, and the practice pen 2 will not be biased, which can avoid the negative emotions of the trained children.

The above examples are only used to illustrate the technical scheme of the present invention, but not to limit it; Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: It can still modify the technical schemes described in the previous embodiments, or replace some or all of the technical features equally, However, these modifications or substitutions do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of each embodiment of the present invention, which should be covered by the claims and specifications of the present invention.

Claims (9)

CLAIMS LU501220

1. À hand movement training device, characterized by comprising: a graphic drawing board, the top surface of which is provided with a practice groove for line drawing practice; the practice pen comprises a pen case, a core rod, an elastic member and a slider, wherein the core rod is slidably arranged in the pen case, and one end of the core rod extends out of the pen tip of the pen case; the elastic member 1s arranged in the pen case, one end of the elastic member is connected with the pen case, the other end of the elastic member 1s connected with the core rod, and the elastic member provides elasticity to prevent the core rod from retracting into the pen case; the slider 1s hinged with one end of the core rod extending out of the pen case, and the slider 1s slidably arranged in the practice groove.

2. The hand movement training device according to claim 1, characterized in that the pen case is further provided with an indicator light, a battery, a first contact and a second contact; two poles of the battery are respectively connected with the first contact and one terminal of the indicator lamp, and the other terminal of the indicator lamp is connected with the second contact; a connecting contact is arranged on the core rod, and the core rod retracts into the pen case under external force to make the first contact and the second contact conduct through the connecting contact, and the elimination of external force on the core rod can make the first contact and the second contact disconnect.

3. The hand movement training device according to claim 2, characterized in that the pen case is provided with an installation cavity extending along its axial direction, and the first contact and the second contact are arranged on the inner wall of the installation cavity at intervals along the axial direction of the pen case; the core rod is slidably inserted into the installation cavity, and the connecting contact is arranged on the side wall of the core rod; the sliding of the core rod can make the connecting contact contact with the first contact and the second contact at the same time, or at least separate from one of the first contact and the second contact.

4. The hand movement training device according to claim 3, characterized in that 001220 the number of the indicator lights and the second contacts is multiple, and the indicator lights are respectively connected with the second contacts in one-to-one correspondence; the second contacts are arranged on the inner wall of the mounting cavity at intervals along the axial direction of the pen case, and the second contacts are arranged on the same side of the first contacts; the slide of that core rod can independently conduct the first contact with any second contact through the connecting contact.

5. The hand movement training device according to any one of claims 2 to 4, characterized in that the first contact and the second contact have a cylindrical structure, and the core rod and the connecting contact penetrate into the cylindrical structure.

6. The hand movement training device according to claim 1, wherein the width of the opening of the practice groove 1s smaller than the width of the bottom of the practice groove; one end of the slider near the bottom of the practice groove 1s provided with a lower limit part, and the width of the lower limit part is larger than the width of the opening of the practice groove.

7. The hand movement training device according to claim 1, characterized in that the core rod is provided with a ejector; the pen case is screwed with an ejector; the axial direction of the thread of the ejector is parallel to the axial direction of the pen case; one end of the elastic member is connected with the ejector, and the other end of the elastic member is connected with the ejector.

8. The hand movement training device according to claim 1, characterized in that the pen case is provided with a limiting part, and the core rod is provided with an anti-falling part, and the sliding of the core rod can make the anti-falling part collide with the limiting part to prevent the core rod from falling out of the pen case.

9. The hand movement training device according to claim 1, characterized in that the pen case is provided with a pen holder, the pen holder is sleeved on the outer wall of the pen case, and the pen holder is provided with a fixing sleeve for fixing the index finger and thumb.