A kind of eating chopsticks

Abstract

The present invention discloses a pair of feeding-aid chopsticks, comprising a chopstick body, a steering gear, a first sliding structure, a second sliding structure, a finger contact block, a controller and an electroencephalogram (EEG) collector. The chopstick body comprises a first chopstick body and a second chopstick body, and the steering gear is used to drive the second chopstick body to swing. The first sliding structure comprises a first slider, and the second sliding structure comprises a second slider. The finger contact block is used to contact with the patient's finger, and the finger contact block comprises a first finger contact block fixed relatively to the first slider and a second finger contact block fixed relatively to the second slider, and the outer sides of the first finger contact block and the second finger contact block are contact surfaces with the finger. The controller is electrically connected to the steering gear for controlling the steering gear. The EEG collector is electrically connected to the controller for collecting the patient's brain waves. Compared with the prior art, the feeding-aid chopsticks of the present invention can adapt to people with different finger lengths, improve the comfort of the training process, and avoid finger damage.

Description

Technical Field

[0001] The invention relates to the technical field of passive finger rehabilitation training, in particular to a pair of eating-assisting chopsticks. Background Art

[0002] In modern society, the number of patients with finger dysfunction caused by stroke, nerve damage, etc. has been increasing year by year, so it is very necessary to help patients with passive rehabilitation training of their fingers. In the prior art, most of the feeding chopsticks are mechanical feeding chopsticks, which require patients to take the initiative and cannot help patients with passive rehabilitation training. Patent application number 202010295527.7 discloses a brain-controlled feeding chopstick, which collects the patient's brain waves through an electroencephalogram collector to control the first chopstick body and the second chopstick body to make corresponding clamping or releasing actions, thereby helping patients with passive rehabilitation training. However, this type of feeding chopstick cannot adapt to different finger lengths, which can easily cause the fingers to be fixed in the wrong position or uncomfortable, and when the index finger muscles are stiff, the forced rotation of the second chopstick body can easily damage the fingers. Summary of the invention

[0003] The purpose of the present invention is to provide a pair of eating-aid chopsticks, which are suitable for people with different finger lengths, improve the comfort of the training process, and avoid damaging the fingers.

[0004] To achieve the above object, the present invention provides the following solutions:

[0005] The invention discloses a pair of eating-aid chopsticks, comprising:

[0006] Chopstick bodies, the chopstick bodies comprising a first chopstick body and a second chopstick body;

[0007] A steering gear for driving the second chopstick body to swing, wherein the steering gear is fixed to the first chopstick body, and a steering plate of the steering gear is connected to the second chopstick body to drive the second chopstick body to swing relative to the first chopstick body;

[0008] A first sliding structure, wherein the first sliding structure comprises a first linear guide, a first slider and a first limit block, wherein the first linear guide is fixed to the first chopstick body and is parallel to the axial direction of the first chopstick body, the first slider is slidably mounted on the first linear guide, there are at least two first limit blocks and they are relatively fixed to the first linear guide, the first slider is located between at least two first limit blocks, and the first limit block is used to contact and limit the first slider;

[0009] A second sliding structure, wherein the second sliding structure comprises a second linear guide, a second slider and a second limit block, wherein the second linear guide is fixed to the second chopstick body and is parallel to the axial direction of the second chopstick body, the second slider is slidably mounted on the second linear guide, there are at least two second limit blocks and they are relatively fixed to the second linear guide, the second slider is located between at least two second limit blocks, and the second limit block is used to contact and limit the second slider;

[0010] A finger contact block for contacting a patient's finger, the finger contact block comprising a first finger contact block fixed relatively to the first slider and a second finger contact block fixed relatively to the second slider, the outer sides of the first finger contact block and the second finger contact block being contact surfaces with the finger;

[0011] A controller for controlling the steering gear, wherein the controller is electrically connected to the steering gear;

[0012] An electroencephalogram collector is used to collect brain waves of patients, and the electroencephalogram collector is electrically connected to the controller.

[0013] Preferably, outer sides of the first finger contact block and the second finger contact block are both inclined surfaces, so that the distance between the first finger contact block and the second finger contact block at one end close to the servo is greater than the distance between the ends away from the servo.

[0014] Preferably, there is one first finger contact block for contacting the patient's thumb; and there are two second finger contact blocks for contacting the patient's index finger and middle finger.

[0015] Preferably, it also includes a first mounting plate and a second mounting plate; the first finger contact block is fixed to the first mounting plate, the first mounting plate is fixed to the first slider, and the first finger contact block is located at the lower side of the first slider; the second finger contact block is fixed to the second mounting plate, the second mounting plate is fixed to the second slider, and the second finger contact block is located at the lower side of the second slider.

[0016] Preferably, both the first finger contact block and the second finger contact block are provided with finger straps for fixing on fingers of a patient.

[0017] Preferably, a protective shell is further included, the servo is fixed in the protective shell, the protective shell includes a protective cover located at the lower side of the servo and a protective cover located at the upper side of the servo, and the protective cover is fixed on the first chopstick body.

[0018] Preferably, a limiting device is fixed on the protective shell, and the limiting device is used for contacting with the patient's base of the thumb for limiting position.

[0019] Preferably, the controller comprises a housing, a main control board and a battery, wherein the main control board and the battery are fixed in the housing, and a control key is provided on the housing, and the control key and the battery are electrically connected to the main control board.

[0020] Preferably, an arm support is fixed on the shell, and an arm strap for fixing on the patient's arm is fastened on the arm support.

[0021] Preferably, it further comprises chopstick tips, wherein the chopstick tips comprise a first chopstick tip and a second chopstick tip, wherein the first chopstick tip is fixed on the first chopstick body, and the second chopstick tip is fixed on the second chopstick body.

[0022] Compared with the prior art, the present invention has achieved the following technical effects:

[0023] When the feeding chopsticks of the present invention are used, the finger contact block can move, and the position of the finger contact block can be adjusted according to the length of the patient's fingers, thereby improving the adaptability of the feeding chopsticks. In addition, when the feeding chopsticks are in motion, the finger contact block can move along a straight line, so that the patient's fingers can be adaptively adjusted according to their own muscle conditions (such as stiffness), avoiding finger damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 This is a perspective view of the eating aid chopsticks of this embodiment;

[0026] Figure 2 This is a front view of the structure of the feeding chopsticks of this embodiment;

[0027] Figure 3 for Figure 2 A top view of the structure in the middle;

[0028] Figure 4 for Figure 2 Bottom view of the middle structure;

[0029] Figure 5 for Figure 2 Left view of the middle structure;

[0030] Figure 6 It is the main view of the controller;

[0031] Figure 7 is a top view of the controller;

[0032] Figure 8 is the left view of the controller;

[0033] Fig. 9 This is a bottom view of the controller;

[0034] Explanation of the reference numerals: 1- tip of the chopsticks; 2- first limit block; 3- first linear guide rail; 4- protective cover; 5- servo; 6- protective cover; 7- limit device; 8- second finger contact block; 9- second mounting plate; 10- first mounting plate; 11- second linear guide rail; 12- second slider; 13- second chopstick body; 14- aviation plug; 15- first chopstick body; 16- ball screw; 17- control key; 18- housing; 19- arm rest; 20- pressure plate; 21- battery; 22- main control board. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] The purpose of the present invention is to provide a pair of eating-aid chopsticks, which are suitable for people with different finger lengths, improve the comfort of the training process, and avoid damaging the fingers.

[0037] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0038] like Figure 1-9 As shown, this embodiment provides a feeding-aid chopstick, comprising a chopstick body, a steering gear 5, a first sliding structure, a second sliding structure, a finger contact block, a controller and an electroencephalogram collector.

[0039] Wherein, the chopstick body includes a first chopstick body 15 and a second chopstick body 13. The servo motor 5 is used to drive the second chopstick body 13 to swing, and the servo motor 5 is fixed on the first chopstick body 15. The steering wheel of the servo motor 5 is connected to the second chopstick body 13 to drive the second chopstick body 13 to swing relative to the first chopstick body 15. The first sliding structure includes a first linear guide rail 3, a first slider and a first limit block 2. The first linear guide rail 3 is fixed on the first chopstick body 15 and is parallel to the axial direction of the first chopstick body 15. The first slider is slidably installed on the first linear guide rail 3. There are at least two first limit blocks 2 and they are fixed relative to the first linear guide rail 3. The first slider is located between at least two first limit blocks 2. The first limit block 2 is used to contact and limit with the first slider. The second sliding structure includes a second linear guide rail 11, a second slider 12 and a second limit block. The second linear guide 11 is fixed on the second chopstick body 13 and is parallel to the axial direction of the second chopstick body 13. The second slider 12 is slidably installed on the second linear guide 11. There are at least two second limit blocks and they are relatively fixed to the second linear guide 11. The second slider 12 is located between at least two second limit blocks. The second limit block is used to contact and limit with the second slider 12. The finger contact block is used to contact with the patient's finger. The finger contact block includes a first finger contact block relatively fixed to the first slider and a second finger contact block 8 relatively fixed to the second slider 12. The outer sides of the first finger contact block and the second finger contact block 8 are contact surfaces with the fingers. The controller is used to control the servo 5, and the controller is electrically connected to the servo 5. The EEG collector is used to collect the patient's brain waves, and the EEG collector is electrically connected to the controller.

[0040] When the feeding chopsticks of this embodiment are used, the EEG collector is worn on the patient's head, and the patient's control intention (clamping or releasing food) is obtained by sensing the patient's brain waves, and the control intention information is transmitted to the controller, and the controller controls the steering engine 5 to make corresponding actions. When the steering engine 5 is in motion, the steering plate on the steering engine 5 swings, and drives the second chopstick body 13 connected thereto to swing relative to the first chopstick body 15, and the clamping or releasing action of the food is realized by changing the distance between the first chopstick body 15 and the second chopstick body 13. The first finger contact block can move in a straight line along the axial direction of the first linear guide 3, and the second finger contact block 8 can move in a straight line along the axial direction of the second linear guide 11. Therefore, according to the different lengths of the patient's fingers, the positions of the first finger contact block and the second finger contact block 8 can be adjusted, thereby improving the adaptability of the feeding chopsticks. In addition, when the feeding chopsticks are in motion, the first finger contact block and the second finger contact block 8 can move in a straight line, so that the patient's fingers can be adaptively adjusted according to their own muscle conditions (such as whether they are stiff) to avoid damaging the fingers.

[0041] Since normal people's fingers bend slightly inward when using chopsticks to pick up food, in order to make the patient's fingers more comfortable, in this embodiment, the outer sides of the first finger contact block and the second finger contact block 8 are both inclined surfaces, so that the distance between the first finger contact block and the second finger contact block 8 at one end close to the servo 5 is greater than the distance at the other end away from the servo 5, so that the fingers in contact with the first finger contact block and the fingers in contact with the second finger contact block 8 are slightly bent inward.

[0042] In this embodiment, there is one first finger contact block for contacting the patient's thumb. There are two second finger contact blocks 8 for contacting the patient's index finger and middle finger. Compared with the feeding chopsticks in the prior art that can only exercise the thumb and index finger, the feeding chopsticks in this embodiment can exercise the middle finger at the same time.

[0043] Furthermore, the present embodiment further includes a first mounting plate 10 and a second mounting plate 9. The first finger contact block is fixed on the first mounting plate 10, which is fixed on the first slider, and the first finger contact block is located at the lower side of the first slider. The second finger contact block 8 is fixed on the second mounting plate 9, which is fixed on the second slider 12, and the second finger contact block 8 is located at the lower side of the second slider 12. Since the present embodiment is provided with the first mounting plate 10 and the second mounting plate 9, the first finger contact block can be provided at the lower side of the first chopstick body 15, and does not need to be directly fixed on the first chopstick body 15. The same is true for the second finger contact block 8. Therefore, the patient does not need to directly grasp the first chopstick body 15 and the second chopstick body 13, thereby reducing the difficulty of grasping.

[0044] In order to prevent the patient's fingers from falling off, in this embodiment, finger straps for fixing on the patient's fingers are fastened on the first finger contact block and the second finger contact block 8. According to different actual needs, those skilled in the art may also set other forms of structures such as Velcro and finger sleeves on the first finger contact block and the second finger contact block 8 to prevent the fingers from falling off.

[0045] In order to prevent the servo motor 5 from causing damage to the patient when working, the present embodiment further includes a protective shell, in which the servo motor 5 is fixed. The protective shell includes a protective cover 6 located at the lower side of the servo motor 5 and a protective cover 4 located at the upper side of the servo motor 5 . The protective cover 6 is fixed on the first chopstick body 15 .

[0046] There are many ways to connect the steering wheel of the steering gear 5 to the second chopstick body 13, and those skilled in the art can choose according to actual needs, as long as the second chopstick body 13 can be driven to swing relative to the first chopstick body 15. For example, the steering wheel can be fixedly connected to the second chopstick body 13; or the steering wheel can be rotatably connected to one part of the second chopstick body 13, and the other part of the second chopstick body 13 is rotatably connected to the protective shell.

[0047] In the prior art, when the feeding chopsticks are in use, the positions of the first chopstick body 15 and the second chopstick body 13 relative to the patient's base of thumb often change with the movement of the feeding chopsticks, which reduces the range of motion of the patient's fingers. To this end, the protective shell of this embodiment is fixed with a limiting device 7, which is used to contact and limit the patient's base of thumb.

[0048] In this embodiment, the controller includes a housing 18, a main control board 22 and a battery 21. The main control board 22 and the battery 21 are fixed in the housing 18. The housing 18 is provided with a control key 17. The control key 17 and the battery 21 are electrically connected to the main control board 22. A pressing plate 20 is fixed to the main control board 22, and the battery 21 is pressed against the main control board 22 by the pressing plate 20. Different control keys 17 and their electrical connection methods can be set according to different actual needs. This is common knowledge in the art and will not be repeated here.

[0049] In this embodiment, an arm support 19 is fixed to the housing 18, and an arm strap for fixing to the patient's arm (for example, near the wrist) is fastened to the arm support 19. According to different actual needs, those skilled in the art may also set other forms of structures such as Velcro, finger sleeves, etc. on the housing 18 to prevent the arm support 19 from falling off.

[0050] In order to facilitate the picking up of food, the present embodiment further comprises chopstick tips, which include a first chopstick tip 1 and a second chopstick tip. The first chopstick tip 1 is fixed to the first chopstick body 15, and the second chopstick tip is fixed to the second chopstick body 13. The length of the first chopstick body 15 can be extended by the first chopstick tip 1, and the length of the second chopstick body 13 can be extended by the second chopstick tip. In the present embodiment, the first chopstick tip 1 and the second chopstick body 13 are fixed, and the second chopstick tip and the second chopstick body 13 are fixed by a ball screw 16. According to different actual needs, those skilled in the art can also achieve the fixing by other fasteners.

[0051] It should be noted that the inner side referred to in this embodiment is the side close to the area between the first chopstick body 15 and the second chopstick body 13, and the outer side refers to the side away from the area between the first chopstick body 15 and the second chopstick body 13. The electrical connection referred to in this embodiment can be a circuit connection or a wireless communication connection. In this embodiment, an aviation plug 14 is provided on the protective shell outside the steering gear 5, and the aviation plug 14 is connected to the steering gear 5 through a first wire. A second wire is led out from the main control board 22, and the second wire is connected to the aviation plug 14, so as to realize the electrical connection between the steering gear 5 and the controller. In this embodiment, the EEG collector and the controller are preferably connected by wireless communication.

[0052] The present specification uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A kind of eating aid chopsticks, characterized in that: include: Chopstick bodies, the chopstick bodies comprising a first chopstick body and a second chopstick body; A steering gear for driving the second chopstick body to swing, wherein the steering gear is fixed to the first chopstick body, and a steering plate of the steering gear is connected to the second chopstick body to drive the second chopstick body to swing relative to the first chopstick body; A first sliding structure, wherein the first sliding structure comprises a first linear guide, a first slider and a first limit block, wherein the first linear guide is fixed to the first chopstick body and is parallel to the axial direction of the first chopstick body, the first slider is slidably mounted on the first linear guide, there are at least two first limit blocks and they are relatively fixed to the first linear guide, the first slider is located between at least two first limit blocks, and the first limit block is used to contact and limit the first slider; A second sliding structure, wherein the second sliding structure comprises a second linear guide, a second slider and a second limit block, wherein the second linear guide is fixed to the second chopstick body and is parallel to the axial direction of the second chopstick body, the second slider is slidably mounted on the second linear guide, there are at least two second limit blocks and they are relatively fixed to the second linear guide, the second slider is located between at least two second limit blocks, and the second limit block is used to contact and limit the second slider; A finger contact block for contacting a patient's finger, the finger contact block comprising a first finger contact block fixed relatively to the first slider and a second finger contact block fixed relatively to the second slider, the outer sides of the first finger contact block and the second finger contact block being contact surfaces with the finger; A controller for controlling the steering gear, wherein the controller is electrically connected to the steering gear; An electroencephalogram collector for collecting brain waves of a patient, the electroencephalogram collector being electrically connected to the controller; The outer sides of the first finger contact block and the second finger contact block are both inclined surfaces, so that the distance between the first finger contact block and the second finger contact block at one end close to the servo is greater than the distance between the first finger contact block and the second finger contact block at one end away from the servo; There is one first finger contact block, which is used to contact the patient's thumb; there are two second finger contact blocks, which are used to contact the patient's index finger and middle finger; The feeding chopsticks further include a first mounting plate and a second mounting plate; the first finger contact block is fixed to the first mounting plate, the first mounting plate is fixed to the first slider, and the first finger contact block is located at the lower side of the first slider; the second finger contact block is fixed to the second mounting plate, the second mounting plate is fixed to the second slider, and the second finger contact block is located at the lower side of the second slider; The feeding chopsticks also include a protective shell, the steering gear is fixed in the protective shell, the protective shell includes a protective cover located at the lower side of the steering gear and a protective cover located at the upper side of the steering gear, and the protective cover is fixed on the first chopstick body; A limiting device is fixed on the protective shell, and the limiting device is used for contacting with the patient's thumb and for limiting the position.

2. The feeding-aid chopsticks according to claim 1, characterized in that: The first finger contact block and the second finger contact block are both provided with finger straps for fixing on the patient's fingers.

3. The feeding-aid chopsticks according to claim 1, characterized in that: The controller comprises a housing, a main control board and a battery. The main control board and the battery are fixed in the housing. A control key is arranged on the housing. The control key and the battery are both electrically connected to the main control board.

4. The feeding-aid chopsticks according to claim 3, characterized in that: An arm support is fixed on the shell, and an arm strap for fixing on the patient's arm is fastened on the arm support.

5. The feeding-aid chopsticks according to claim 1, characterized in that: It also includes chopstick tips, which include a first chopstick tip and a second chopstick tip. The first chopstick tip is fixed on the first chopstick body, and the second chopstick tip is fixed on the second chopstick body.

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