Self-catering device for the disabled

The self-dining device addresses the challenge of independent meal consumption for disabled individuals by providing a motorized, foot-operated system for automated food gripping and feeding, enhancing convenience and usability for various users.

CN110859409BActive Publication Date: 2024-12-17LUOYANG NORMAL UNIV
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Patent Information

Application Number
CN201911286402.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2019-12-13
Publication Date
2024-12-17
Estimated Expiration
2039-12-13

AI Technical Summary

Technical Problem

Disabled individuals without arms face challenges in self-eating, relying on others for assistance or using their feet, which is inconvenient.

Method used

A self-dining device with a base, PLC controller, foot switch, and motorized components that allow for automated food gripping, lifting, and feeding using a foot-operated system, enabling independent meal consumption.

Benefits of technology

Enables independent meal consumption with high automation, convenience, and ease of use for individuals with severe arm disabilities, allowing adjustment and replacement of utensils for different users.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a self-dining device for disabled persons, comprising a base, a PLC controller is provided on the rear side of the upper surface of the base, a foot switch is provided on the front side of the upper surface of the base, pillars are provided at the four corners of the upper surface of the base, a dining table is provided on the top of the pillars, a second motor is fixed to the center of the bottom of the dining table, a rotating shaft is rotatably connected to the center of the upper surface of the dining table through a bearing, an output shaft of the second motor is fixedly connected to the bottom end of the rotating shaft, a fixing block is provided at the bottom end of the rotating shaft, an electric telescopic rod 2 is provided on one side of the fixing block, a connecting block is provided at the telescopic end of the electric telescopic rod 2, an electric lifting rod 2 is provided at the bottom of the connecting block, and a connecting plate is provided at the lifting end of the electric lifting rod 2. The present invention can help disabled persons quickly take meals and finish meals without the need for care from others, has a high degree of automation, and brings convenience to patients with severe arm disabilities such as those without both arms.
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Description

Technical Field

[0001] The invention relates to the technical field of dining devices, in particular to a self-dining device for disabled persons. Background Art

[0002] With the advancement of science and technology, the application scope of automated equipment is constantly expanding. In some special environments, such as dangerous, extreme, and helpless situations, automated equipment can bring some help to humans. However, the problem of automatic dining for some disabled people, especially those without arms, has not been solved. At present, there are two ways for disabled people without arms to eat. One is to rely on others to take care of and help them eat, and the other is to use their feet to be self-sufficient, but it is very inconvenient. Summary of the invention

[0003] In view of the problems existing in the prior art, the present invention discloses a self-dining device for the disabled, and the technical solution adopted is as follows: the device comprises a base, a PLC controller is provided on the rear side of the upper surface of the base, a foot switch is provided on the front side of the upper surface of the base, pillars are provided at the four corners of the upper surface of the base, a dining table is provided on the top of the pillars, a second motor is fixed at the center of the bottom of the dining table, a rotating shaft is rotatably connected to the center of the upper surface of the dining table through a bearing, an output shaft of the second motor is fixedly connected to the bottom end of the rotating shaft, a fixing block is provided at the bottom end of the rotating shaft, an electric telescopic rod 2 is provided on one side of the fixing block, a connecting block is provided at the telescopic end of the electric telescopic rod 2, an electric lifting rod 2 is provided at the bottom of the connecting block, and the electric lifting rod 2 A connecting plate is provided at the lifting end, and two clamping units facing each other are respectively provided at the two ends of the bottom of the connecting plate. The upper surface of the dining table is provided with grooves arranged in a circumferential direction, and a lunch box is placed in the groove. An electric lifting rod 1 is provided at a position on the upper surface of the dining table located outside the lunch box, and a supporting plate is provided at the lifting end of the electric lifting rod 1. A rotating shaft is provided on the front side of the supporting plate through a bearing, and a dining unit is provided at the front end of the rotating shaft. The input end of the PLC controller is electrically connected to the output end of the external power supply, the output end of the foot switch is electrically connected to the input end of the PLC controller, and the output end of the PLC controller is electrically connected to the input ends of the second motor, the second electric telescopic rod, the second electric lifting rod and the first electric lifting rod, respectively.

[0004] As a preferred technical solution of the present invention, the clamping unit includes a fixed plate, an electric telescopic rod three and a clamping plate. There are two fixed plates, and the two fixed plates are correspondingly arranged at the two ends of the bottom of the connecting plate. The inner sides of the two fixed plates are each provided with an electric telescopic rod three. There are two clamping plates, and the telescopic ends of the two electric telescopic rods three are respectively fixedly connected to the upper parts of the sides of the two clamping plates, and the input end of the electric telescopic rod three is electrically connected to the output end of the PLC controller.

[0005] As a preferred technical solution of the present invention, it also includes a spring, and the spring is correspondingly arranged at the upper part between the two clamping plates.

[0006] As a preferred technical solution of the present invention, the dining unit includes a first motor, an electric telescopic rod 1, a connecting rod and a dining spoon. The first motor is fixed to the rear side of the support plate, the fixed end of the electric telescopic rod 1 is fixedly connected to the front end of the rotating shaft, the telescopic end of the electric telescopic rod 1 is provided with a connecting rod, and the front end of the connecting rod is provided with a dining spoon. The input ends of the first motor and the electric telescopic rod 1 are electrically connected to the output end of the PLC controller.

[0007] As a preferred technical solution of the present invention, the dining spoon includes a spoon handle and a spoon head, the rear end of the circumferential surface of the spoon handle is provided with an external thread, the front end of the connecting rod is provided with a threaded hole, the threaded hole is threadedly connected to the external thread correspondingly, and the front end of the spoon handle is provided with a spoon head.

[0008] The beneficial effects of the present invention are as follows: the present invention has a simple structure and is easy to operate. It can help disabled people to quickly pick up meals and finish meals without the need for care from others. It has a high degree of automation, which brings convenience to patients with severe arm disabilities such as those without both arms. Convenient automated operation can be achieved through a foot switch and a PLC controller. The rotation of the second motor drives the rotation of the rotating shaft, and the horizontal angle of the clamping unit can be adjusted. The horizontal position of the clamping unit can be adjusted through the telescopic movement of the electric telescopic rod 2. The vertical height of the clamping unit can be adjusted through the lifting and lowering movement of the electric lifting rod 2. The two clamping plates can be driven to clamp food through the extension of the two electric telescopic rods 3 to complete the clamping. Take it; then, operate the same as above, control the gripping unit to move to the top of the spoon head, and again contract the electric telescopic rod three to drive the two clamps to loosen the food and put it into the spoon head; adjust the height of the spoon by lifting and lowering the electric lifting rod one, and send the food into the user's mouth by extending the electric telescopic rod two, and drive the spoon to flip downward through the 180° rotation of the first motor, and the food falls into the user's mouth. The first motor rotates 180° in the opposite direction, and the spoon is restored upward for the next use; the spoon can be replaced through the threaded hole on the connecting rod and the corresponding external thread on the spoon handle, which is convenient for different users such as children and adults to use for meals. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a schematic diagram of the structure of the present invention;

[0010] Figure 2 It is a schematic diagram of the enlarged structure of point A of the present invention;

[0011] Figure 3 It is a structural schematic diagram of a dining table of the present invention;

[0012] Figure 4It is a schematic diagram of the bottom structure of the dining table of the present invention;

[0013] Figure 5 It is a schematic diagram of the structure of a dining spoon of the present invention.

[0014] In the figure: 1-base, 2-foot switch, 3-pillar, 4-electric lifting rod 1, 5-dining unit, 51-first motor, 52-electric telescopic rod 1, 53-connecting rod, 54-dining spoon, 541-spoon handle, 542-spoon head, 6-handle, 7-dining box, 8-rotating shaft, 9-fixed block, 10-electric telescopic rod 2, 11-connecting block, 12-electric lifting rod 2, 13-dining table, 14-PLC controller, 15-gripping unit, 151-fixed plate, 152-electric telescopic rod 3, 153-clamping plate, 16-spring, 17-connecting plate, 18-threaded hole, 19-groove, 20-second motor, 21-external thread. DETAILED DESCRIPTION

[0015] Example 1

[0016] like Figures 1 to 5As shown, the present invention discloses a self-dining device for the disabled, and the technical scheme adopted is that it includes a base 1, a PLC controller 14 is provided on the rear side of the upper surface of the base 1, a foot switch 2 is provided on the front side of the upper surface of the base 1, and dining is automatically operated by the foot switch 2 and the PLC controller 14, pillars 3 are provided at the four corners of the upper surface of the base 1, and a dining table 13 is provided on the top of the pillar 3, a second motor 20 is fixed to the center of the bottom of the dining table 13, a rotating shaft 8 is rotatably connected to the center of the upper surface of the dining table 13 through a bearing, and the output shaft of the second motor 20 is fixedly connected to the bottom end of the rotating shaft 8, a fixing block 9 is provided at the bottom end of the rotating shaft 8, an electric telescopic rod 10 is provided on one side of the fixing block 9, and a connecting block 11 is provided at the telescopic end of the electric telescopic rod 10, an electric lifting rod 12 is provided at the bottom of the connecting block 11, and a connecting plate 17 is provided at the lifting end of the electric lifting rod 12, and two opposite clamping units 15 are provided at the two ends of the bottom of the connecting plate 17, respectively, through the second motor 2 0, drives the rotation of the rotating shaft 8, can adjust the horizontal angle of the clamping unit 15, through the telescopic movement of the electric telescopic rod 10, can adjust the horizontal position of the clamping unit 15, through the lifting and lowering movement of the electric lifting rod 12, can adjust the vertical height of the clamping unit 15, the upper surface of the dining table 13 is arranged along the circumferential direction with grooves 19, the grooves 19 are placed in the dining box 7, the upper surface of the dining table 13 is located outside the dining box 7. The electric lifting rod 4 is provided at the lifting end of the electric lifting rod 4. A support plate is provided at the lifting end of the electric lifting rod 4, and a rotating shaft is provided at the front side of the support plate through a bearing. The dining unit 5 is provided at the front end of the rotating shaft. The input end of the PLC controller 14 is electrically connected to the output end of the external power supply, the output end of the foot switch 2 is electrically connected to the input end of the PLC controller 14, and the output end of the PLC controller 14 is electrically connected to the input ends of the second motor 20, the electric telescopic rod 10, the electric lifting rod 12 and the electric lifting rod 4 respectively.

[0017] As a preferred technical solution of the present invention, the clamping unit 15 includes a fixed plate 151, an electric telescopic rod three 152 and a clamping plate 153. The number of the fixed plates 151 is two, and the two fixed plates 151 are correspondingly arranged at the two ends of the bottom of the connecting plate 17. The inner sides of the two fixed plates 151 are each provided with an electric telescopic rod three 152. The number of the clamping plates 153 is two, and the telescopic ends of the two electric telescopic rods three 152 are respectively fixedly connected to the upper parts of the sides of the two clamping plates 153. The input end of the electric telescopic rod three 152 is electrically connected to the output end of the PLC controller 14. The extension and contraction of the two electric telescopic rods three 152 drive the movement of the two clamping plates 153 to complete the clamping and release of food.

[0018] As a preferred technical solution of the present invention, a spring 16 is further included. The spring 16 is correspondingly arranged at the upper part between the two clamping plates 153, and the spring 16 plays a buffering role.

[0019] As a preferred technical solution of the present invention, the dining unit 5 includes a first motor 51, an electric telescopic rod 52, a connecting rod 53 and a dining spoon 54. The first motor 51 is fixed to the rear side of the support plate, the fixed end of the electric telescopic rod 52 is fixedly connected to the front end of the rotating shaft, the telescopic end of the electric telescopic rod 52 is provided with a connecting rod 53, and the front end of the connecting rod 53 is provided with a dining spoon 54. The input end of the first motor 51 and the electric telescopic rod 52 is electrically connected to the output end of the PLC controller 14. The height of the dining spoon 54 is adjusted by the lifting and moving of the electric lifting rod 14, and the food is delivered to the user's mouth by the extension of the electric telescopic rod 10. The first motor 51 rotates 180° to drive the dining spoon 54 to flip downward, and the food falls into the user's mouth. The first motor 54 rotates 180° in the opposite direction, and the electric telescopic rod 10 is shortened at the same time, and the dining spoon 54 is restored to facilitate the next use.

[0020] As a preferred technical solution of the present invention, the dining spoon 54 includes a spoon handle 541 and a spoon head 542. The rear end of the circumferential surface of the spoon handle 541 is provided with an external thread 21. The front end of the connecting rod 53 is provided with a threaded hole 18. The threaded hole 18 is threadedly connected to the external thread 21. The front end of the spoon handle 541 is provided with a spoon head 542. The dining spoon 54 can be replaced through the threaded hole 18 on the connecting rod 53 and the corresponding external thread 21 on the spoon handle 541, which is convenient for different users such as children and adults to use for dining.

[0021] The working principle of the present invention is as follows: turn on the power, place the lunch box 7 containing food in the corresponding groove 19 on the dining table 13, and the user can automatically operate the meal through the foot switch 2 and the PLC controller 14. The specific operation is as follows: the rotation of the second motor 20 drives the rotation of the rotating shaft 8, so that the horizontal angle of the clamping unit 15 can be adjusted, and the horizontal position of the clamping unit 15 can be adjusted by the telescopic movement of the electric telescopic rod 2 10, and the vertical height of the clamping unit 15 can be adjusted by the lifting and lowering movement of the electric lifting rod 2 12. After the clamping unit 15 is adjusted to a suitable position, the two clamping plates 153 are driven to clamp the food through the extension of the two electric telescopic rods 3 152 to complete the clamping; then, the same operation is performed to control the clamping The taking unit 15 moves to the top of the spoon head 542, and the two clamps 153 are driven to loosen the food and put it into the spoon head 542 through the contraction of the electric telescopic rod three 152; the height of the dining spoon 54 is adjusted by the lifting and moving of the electric lifting rod one 4, and the food is delivered to the user's mouth through the extension of the electric telescopic rod two 10. The dining spoon 54 is driven to turn downward through the 180° rotation of the first motor 51, and the food falls into the user's mouth. The first motor 54 rotates 180° in the opposite direction, and the electric telescopic rod two 10 is shortened at the same time, and the dining spoon 54 is restored to facilitate the next use; the dining spoon 54 can be replaced through the threaded hole 18 on the connecting rod 53 and the corresponding external thread 21 on the spoon handle 541, which is convenient for different users such as children and adults to use for meals.

[0022] The circuit connection involved in the present invention is a common method used by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments, and it belongs to the widely used existing technology.

[0023] Components not described in detail herein are prior art.

[0024] Although the specific embodiments of the present invention are described in detail above, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in this field without departing from the purpose of the present invention, and modifications or deformations without creative labor are still within the protection scope of the present invention.

Claims

1. A self-dining device for a disabled person, comprising a base (1), characterized in that: A PLC controller (14) is provided on the rear side of the upper surface of the base (1), a foot switch (2) is provided on the front side of the upper surface of the base (1), pillars (3) are provided at the four corners of the upper surface of the base (1), a dining table (13) is provided at the top of the pillars (3), a second motor (20) is fixed at the center of the bottom of the dining table (13), a rotating shaft (8) is rotatably connected to the center of the upper surface of the dining table (13) via a bearing, an output shaft of the second motor (20) is fixedly connected to the bottom end of the rotating shaft (8), a fixing block (9) is provided at the bottom end of the rotating shaft (8), and the fixing block ( A second electric telescopic rod (10) is provided on one side of the dining table (9), a connecting block (11) is provided at the telescopic end of the second electric telescopic rod (10), a second electric lifting rod (12) is provided at the bottom of the connecting block (11), a connecting plate (17) is provided at the lifting end of the second electric lifting rod (12), two opposite clamping units (15) are provided at the two ends of the bottom of the connecting plate (17), the upper surface of the dining table (13) is provided with grooves (19) arranged in a circumferential direction, a dining box (7) is placed in the groove (19), and a position on the upper surface of the dining table (13) located outside the dining box (7) is provided There is an electric lifting rod (4), the lifting end of the electric lifting rod (4) is provided with a support plate, the front side of the support plate is provided with a rotating shaft through a bearing, the front end of the rotating shaft is provided with a dining unit (5), the input end of the PLC controller (14) is electrically connected to the output end of an external power supply, the output end of the foot switch (2) is electrically connected to the input end of the PLC controller (14), and the output end of the PLC controller (14) is electrically connected to the input end of a second motor (20), the electric telescopic rod (10), the electric lifting rod (12) and the electric lifting rod (4) respectively; the clamping unit The element (15) comprises a fixed plate (151), an electric telescopic rod three (152) and a clamping plate (153), wherein the number of the fixed plates (151) is two, and the two fixed plates (151) are correspondingly arranged at the two ends of the bottom of the connecting plate (17), the inner sides of the two fixed plates (151) are each provided with an electric telescopic rod three (152), the number of the clamping plates (153) is two, and the telescopic ends of the two electric telescopic rods three (152) are respectively fixedly connected to the upper parts of the sides of the two clamping plates (153), and the input end of the electric telescopic rod three (152) is electrically connected to the output end of the PLC controller (14); The dining unit (5) comprises a first motor (51), an electric telescopic rod (52), a connecting rod (53) and a dining spoon (54); the first motor (51) is fixed to the rear side of a support plate; the fixed end of the electric telescopic rod (52) is fixedly connected to the front end of a rotating shaft; the telescopic end of the electric telescopic rod (52) is provided with a connecting rod (53); the front end of the connecting rod (53) is provided with a dining spoon (54); the input ends of the first motor (51) and the electric telescopic rod (52) are electrically connected to the output end of a PLC controller (14).

2. The self-dining device for the disabled according to claim 1, characterized in that: It also includes a spring (16), which is correspondingly arranged at the upper part between the two clamping plates (153).

3. The self-dining device for the disabled according to claim 1, characterized in that: The dining spoon (54) comprises a spoon handle (541) and a spoon head (542); the rear end of the circumferential surface of the spoon handle (541) is provided with an external thread (21); the front end of the connecting rod (53) is provided with a threaded hole (18); the threaded hole (18) is threadedly connected to the external thread (21); and the front end of the spoon handle (541) is provided with a spoon head (542).

Citation Information

Patent Citations

  • Meal assistance robot

    CN105686576A

  • Dining device for disabled people

    CN211431576U