CN214596222U

CN214596222U - Novel wisdom wheelchair

Info

Publication number: CN214596222U
Application number: CN202023143853.0U
Authority: CN
Inventors: 娄海会; 李世博; 刘浩; 李京杰; 张力水; 孙岩; 王金帅; 赵婧妍; 刘希岳
Original assignee: Hebei Institute of Mechanical and Electrical technology
Current assignee: Hebei Institute of Mechanical and Electrical technology
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-11-05
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a novel wisdom wheelchair, include: a chassis, a support plate and a seat; the lower part of the chassis is provided with an omnidirectional moving device, a scissor lifting device is arranged between the chassis and the supporting plate, and the scissor lifting device is used for adjusting the height of the seat; the rear side of the seat is movably connected with a backrest through a ratchet wheel, the ratchet wheel is used for adjusting the inclination angle of the backrest, the front side of the bottom of the seat is movably connected with the front part of a supporting plate through a seat bolt, a double-chain type lifting device is arranged between the rear side of the bottom of the seat and the supporting plate and used for adjusting the inclination angle of the seat, handrails are welded on two sides of the seat, a control panel is arranged on the right side of the handrail and used for controlling the all-directional movement of the wheelchair, the height of the seat and the inclination angle of the seat. The utility model provides a novel wisdom wheelchair has labour saving and time saving, the function is various, the action is sensitive, intelligent degree is high, the high characteristics of security.

Description

Novel wisdom wheelchair

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a novel wisdom wheelchair.

Background

The wheelchair is an important tool in the rehabilitation process of patients, and not only is a walking tool of the patients, but also a tool for the patients to do physical exercise and participate in social activities. At present, more than 100 wheelchair production enterprises are owned domestically, wherein more than 60% of the enterprises have the production capacity of the electric wheelchairs, but the number of the enterprises which have the indoor and outdoor universal middle-high-end electric wheelchairs is small, the yield of the middle-high-end products only accounts for about 10% of the total yield of the electric wheelchairs, and most of the products are the common wheelchairs. The existing wheelchairs have various functions, provide convenience for people and have various defects, such as: the electric wheelchair needs to be manually moved, is relatively labor-consuming, is very difficult to operate for the aged old people, has a single function, has certain potential safety hazards in the use process, is not durable in some electric wheelchair batteries, is not well controlled in the running speed, is poor in safety, is short of a storage device, is high in price and the like. Based on the above problems, there is a need to develop a novel intelligent wheelchair to meet the needs of people.

Disclosure of Invention

The utility model aims at providing a novel wisdom wheelchair adopts lithium battery drive to can adjust the inclination of the height of seat and back as required, have easy and simple to handle, labour saving and time saving, function are various, the security is high, intelligent degree is high characteristics.

In order to achieve the above object, the utility model provides a following scheme:

a novel smart wheelchair comprising: the chassis, the supporting plate and the seat are sequentially arranged from bottom to top; the chassis comprises an upper chassis and a lower chassis, a plurality of chassis middle supporting columns are arranged between the upper chassis and the lower chassis, the lower chassis is provided with an omni-directional moving device, a scissor lifting device is arranged between the upper chassis and the supporting plates, and the scissor lifting device is used for adjusting the height of the seat; the utility model discloses a wheelchair, including seat, support, ratchet, seat bottom, support, seat bolt, two chain elevating gear, control panel, the seat rear side has the back through ratchet swing joint, the ratchet is used for adjusting the inclination of back, the seat bottom front side pass through the seat bolt with the anterior swing joint of backup pad, seat bottom rear side with be provided with two chain elevating gear between the backup pad, two chain elevating gear is used for adjusting the inclination of seat, the welding of seat both sides has the handrail, the right side handrail is provided with control panel, control panel with but all direction movement device, scissor elevating gear and two chain elevating gear electric connection, control panel is used for controlling the all direction movement, the seat height and the seat inclination of wheelchair.

Optionally, the omni-directional mobile device is provided with 4 mecanum wheels, each of the 4 mecanum wheels is connected with a mecanum wheel motor, the mecanum wheel motors are electrically connected with the control panel, and the mecanum wheel motors are in driving connection with the mecanum wheels.

Optionally, the rear upper lifting rod of the scissor lifting device is connected with the support plate through a first support bolt, and the rear lower lifting rod of the scissor lifting device is connected with the upper chassis through a second support bolt; guide rails are arranged on the front portion of the lower bottom surface of the supporting plate and the front portion of the upper chassis, a lifting rod at the front portion of the scissor lifting device is arranged in the guide rails, and the guide rails are used for the scissor lifting device to slide back and forth; a connecting rod is arranged between two lifting rods on the lower side of the front part of the scissor lifting device, a lead screw is arranged at the middle position of the upper chassis, a nut of the lead screw is fixedly connected with the connecting rod, the rear part of the lead screw is in driving connection with a synchronous motor, and the synchronous motor is electrically connected with the control panel.

Optionally, the double-chain type lifting device comprises a driving circuit board, a speed reducing motor, a chain and a gear set; the gear set comprises a double-layer transmission worm gear, a double-layer transmission gear, a first gear, a hexagonal gear and a second gear, the speed reduction motor is connected with a worm, the worm drives the double-layer transmission worm gear, the double-layer transmission worm gear drives the double-layer transmission gear, the double-layer transmission gear drives the first gear, the first gear drives the second gear, the second gear drives the hexagonal gear, a chain is mounted on the hexagonal gear, and the hexagonal gear drives the chain to move up and down, so that the inclination angle of the seat is adjusted; the speed reducing motor is electrically connected with the driving circuit board, and the driving circuit board is electrically connected with the control panel; the bottom of the double-chain type lifting device is fixed on the supporting plate through a bolt, and the upper part of the double-chain type lifting device is fixed on the rear side of the bottom of the seat through a chain bolt.

Optionally, the system also comprises a battery and a GPS device; the storage battery is a lithium battery and is arranged between the upper chassis and the lower chassis; the GPS device is fixed in the middle of the upper chassis and used for navigation of the wheelchair.

Optionally, the lifting device further comprises a double-limit switch, the double-limit switch is arranged on the surface of the upper chassis, the double-limit switch is respectively electrically connected with the scissor lifting device and the double-chain type lifting device, and the double-limit switch is used for controlling the lifting speed and the lifting range of the scissor lifting device and the double-chain type lifting device.

Optionally, the seat further comprises a pedal, and the pedal is movably connected with the front part of the seat through a bolt.

Optionally, the right side handrail is provided with a crutch storage, the left side handrail is provided with a water cup storage, a voice broadcast device, a storage box and a lighting device, the voice broadcast device is provided with an infrared induction alarm device, and the lighting device is arranged on the left side of the voice broadcast device.

Optionally, a four-point safety belt is arranged at the bottom of the backrest.

According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect: the utility model provides a novel intelligent wheelchair which is driven by a lithium battery, and has the advantages of time and labor saving, simplicity, convenience and long endurance time in the use process; by arranging the lifting device and the ratchet wheel, the height, the inclination angle and the inclination angle of the backrest of the wheelchair can be adjusted according to requirements, and the lifting speed and the lifting range of the lifting device can be controlled, so that the wheelchair conforms to the human engineering theory in the use process, a user feels more comfortable, and the use process is safer; the Mecanum wheels are arranged on the wheelchair chassis, so that the wheelchair can be controlled to move in all directions, and the steering of the wheelchair can be realized more flexibly and conveniently; the walking stick storage part, the water cup storage part, the voice broadcasting device and the storage box are arranged on the two sides of the handrail, so that the wheelchair has more various functions and provides convenience for a user; the utility model provides a novel wisdom wheelchair has labour saving and time saving, the function is various, the action is sensitive, intelligent degree is high, the high characteristics of security.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a side view of the intelligent wheelchair of the present invention;

FIG. 2 is a front view of the intelligent wheelchair of the present invention;

FIG. 3 is a schematic view of the internal gear set of the dual-chain type lifting device of the intelligent wheelchair of the present invention;

description of reference numerals: 1. a lower chassis; 2. a battery cell; 3. a first support shaft nut; 4. a supporting column in the middle of the chassis; 5. fixing the support rod; 6. pedaling; 7. a guide rail; 8. a seat bolt; 9. a second support shaft nut; 10. a box body bolt; 11. a first chain; 12. a second chain; 13. a chain bolt; 14. a backrest; 15. a box body; 16. a first support bolt; 17. a support plate; 18. a second support bolt; 19. a synchronous motor; 20. an upper chassis; 21. a Mecanum wheel; 22. a lead screw; 23. a connecting rod; 24. a crutch storage; 25. a seat nut; 26. a water cup storage place; 27. a voice broadcasting device; 28. a ratchet wheel; 29. a storage box; 30. a Mecanum wheel motor; 31. an infrared sensing alarm device; 32. an illumination device; 33. a double-layer transmission worm gear; 34. a double-layer transmission gear; 35. a first gear; 36. a hexagonal gear; 37. a second gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

The utility model provides a novel wisdom wheelchair, as shown in fig. 1 to 2, include: the chassis, the supporting plate 17 and the seat are sequentially arranged from bottom to top;

the chassis comprises an upper chassis 20 and a lower chassis 1, a plurality of chassis middle supporting columns 4 are arranged between the upper chassis 20 and the lower chassis 1, and the plurality of chassis middle supporting columns 4 are fixedly connected with the lower chassis 1 through first supporting shaft nuts 3; a gap is formed between the upper chassis 20 and the lower chassis 1, a storage battery 2 is arranged in the gap, the storage battery 2 is a lithium battery, and the storage battery 2 is used for supplying power to the wheelchair; a GPS device is arranged in the middle of the upper chassis 20 and used for navigation of the wheelchair; a scissor lifting device is arranged between the upper chassis 20 and the supporting plate 17, and the lower chassis 1 is provided with an omnidirectional moving device; the front side of the seat is provided with a pedal 6, and the pedal 6 is movably connected with the front side of the seat through a bolt; the back 14 is movably connected to the rear side of the seat through a ratchet 28, the ratchet 28 is used for adjusting the inclination angle of the back, and a four-point safety belt is arranged at the bottom of the back 14; handrails are welded on two sides of the seat, the right handrail is provided with a control panel and a crutch storage 24, the left handrail is provided with a water cup storage 26, a voice broadcasting device 27, a storage box 29 and a lighting device 32, the voice broadcasting device 27 is provided with an infrared induction alarm device 31, and the lighting device 32 is arranged on the left side of the voice broadcasting device 27; the front side of the seat bottom is movably connected with the front part of the supporting plate 17 through a seat bolt 8, and a double-chain type lifting device is arranged between the rear side of the seat bottom and the supporting plate 17; the control panel is electrically connected with the omnibearing movable device, the scissor lifting device and the double-chain type lifting device and is used for controlling the omnibearing movement of the wheelchair, the height of the seat and the inclination angle of the seat;

the omni-directional mobile device is provided with 4 Mecanum wheels 21, the 4 Mecanum wheels 21 can realize 360-degree rotation of the wheelchair in situ, so that the movement and steering of the wheelchair are facilitated, each of the 4 Mecanum wheels 21 is connected with a Mecanum wheel motor 30, the Mecanum wheel motors 30 are electrically connected with the control panel, and the Mecanum wheel motors 30 are in driving connection with the Mecanum wheels;

the scissor lifting device is used for adjusting the height of the seat, two groups of lifting rods of the scissor lifting device are connected by using shear bolts, an upper lifting rod at the rear side of the scissor lifting device is movably connected with the supporting plate 17 through a first supporting bolt 16, and a lower lifting rod at the rear side of the scissor lifting device is movably connected with the upper chassis 20 through a second supporting bolt 18; guide rails 7 are arranged at the front parts of the lower bottom surfaces of the supporting plates 17 and the front part of the upper chassis 20, and a lifting rod at the front part of the scissor lifting device is arranged in the guide rails 7 and slides back and forth along the guide rails 7; a connecting rod 23 is arranged between two lifting rods at the lower side of the front part of the scissor lifting device, a lead screw 22 is arranged in the middle of the upper chassis 20, a nut of the lead screw 22 is fixedly connected with the connecting rod 23, the rear part of the lead screw 22 is in driving connection with a synchronous motor 19, the synchronous motor 19 is electrically connected with the control panel, and the scissor lifting device can lift within a certain range;

the double-chain type lifting device is used for adjusting the inclination angle of the seat and comprises a driving circuit board, a speed reducing motor, a chain, a gear set and an electric wire connected to the driving circuit board, wherein the chain is a one-way lifting chain and comprises a first chain 11 and a second chain 12; the left side and the right side of the double-chain type lifting device are symmetrically arranged left and right, the left side and the right side are respectively connected with a speed reducing motor, and the speed reducing motors are connected with worms; as shown in fig. 3, the gear set includes a double-layer transmission worm gear 33, a double-layer transmission gear 34, a first gear 35, a hexagonal gear 36 and a second gear 37, the reduction motor drives the double-layer transmission worm gear 33 through the worm, the double-layer transmission worm gear 33 drives the double-layer transmission gear 34, the double-layer transmission gear 34 drives the first gear 35, the first gear 35 drives the second gear 37, the second gear 37 drives the hexagonal gear 36, a chain is installed on the hexagonal gear 36, and the hexagonal gear 36 drives the chain to move up and down, so as to adjust the seat inclination angle; the double-chain type lifting device can adopt a double-chain type window opener structure in a specific embodiment; the electric wire is electrically connected with the battery jar 2, the speed reducing motor is electrically connected with the driving circuit board, and the driving circuit board is electrically connected with the control panel; the bottom of the double-chain type lifting device is fixed on the supporting plate 17 through a bolt, the upper part of the double-chain type lifting device is fixed on the rear side of the bottom of the seat through a chain bolt 13, and the electric wire is arranged at the bottom end of the supporting plate 17, so that the electric wire can be hidden in the wheelchair, the wiring of the electric wire is convenient, the integral attractiveness of the chain type lifting mechanism and the wheelchair is improved, and the service life of the electric wire is prolonged; when the double-chain type lifting mechanism operates, the operating range and speed are controlled by the control panel, the speed reducing motor provides power, when the control button is pressed down, the operating rod controls the double chains to start working, the reduction operating rod is powered off, and the lifting mechanism finishes operating; the upper chassis 20 is provided with a double-limit switch, the double-limit switch is electrically connected with the scissor lifting device and the double-chain type lifting device respectively, and the double-limit switch is used for controlling the lifting speed and the lifting range of the scissor lifting device and the double-chain type lifting device so as to prevent the lifting system from being out of control and too sensitive; the double-chain type lifting device is tightly matched with the scissor lifting device and can bear the pressure within 160 KG.

The utility model provides a novel intelligent wheelchair which is driven by a lithium battery, and has the advantages of time and labor saving, simplicity, convenience and long endurance time in the use process; by arranging the lifting device and the ratchet wheel, the height, the inclination angle and the inclination angle of the backrest of the wheelchair can be adjusted according to requirements, and the lifting speed and the lifting range of the lifting device can be controlled, so that the wheelchair conforms to the human engineering theory in the use process, a user feels more comfortable, and the use process is safer; the Mecanum wheels are arranged on the wheelchair chassis, so that the wheelchair can be controlled to move in all directions, and the steering of the wheelchair can be realized more flexibly and conveniently; the walking stick storage part, the water cup storage part, the voice broadcasting device and the storage box are arranged on the two sides of the handrail, so that the wheelchair has more various functions and provides convenience for a user; the utility model provides a novel wisdom wheelchair has labour saving and time saving, the function is various, the action is sensitive, intelligent degree is high, the high characteristics of security.

The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. A novel wisdom wheelchair, its characterized in that includes: the chassis, the supporting plate (17) and the seat are sequentially arranged from bottom to top; the seat comprises an upper chassis (20) and a lower chassis (1), a plurality of chassis middle supporting columns (4) are arranged between the upper chassis (20) and the lower chassis (1), the lower chassis (1) is provided with an omni-directional moving device, a scissor lifting device is arranged between the upper chassis (20) and the supporting plate (17), and the scissor lifting device is used for adjusting the height of the seat; seat rear side has back (14) through ratchet (28) swing joint, ratchet (28) are used for adjusting the inclination of back (14), seat bottom front side pass through seat bolt (8) with the anterior swing joint of backup pad (17), seat bottom rear side with be provided with double-chain elevating gear between backup pad (17), double-chain elevating gear is used for adjusting the inclination of seat, the welding of seat both sides has handrail, the right side the handrail is provided with control panel, control panel with but all direction movement device, scissors elevating gear and double-chain elevating gear electric connection, control panel is used for controlling the all direction movement, the seat height and the seat inclination of wheelchair.

2. The novel intelligent wheelchair as claimed in claim 1, wherein the omni-mobile device comprises 4 Mecanum wheels (21), each of the 4 Mecanum wheels (21) is connected with a Mecanum wheel motor (30), the Mecanum wheel motors (30) are electrically connected with the control panel, and the Mecanum wheel motors (30) are in driving connection with the Mecanum wheels (21).

3. The new intelligent wheelchair as claimed in claim 1, wherein the rear upper lifting rod of the scissor lift is connected to the support plate (17) by a first support bolt (16), and the rear lower lifting rod of the scissor lift is connected to the upper chassis (20) by a second support bolt (18); guide rails (7) are arranged on the front portion of the lower bottom surface of the supporting plate (17) and the front portion of the upper chassis (20), a lifting rod at the front portion of the scissor lifting device is arranged in the guide rails (7), and the guide rails (7) are used for the scissor lifting device to slide back and forth; a connecting rod (23) is arranged between two lifting rods on the lower side of the front portion of the scissor lifting device, a lead screw (22) is arranged in the middle of the upper chassis (20), a nut of the lead screw (22) is fixedly connected with the connecting rod (23), the rear portion of the lead screw (22) is in driving connection with a synchronous motor (19), and the synchronous motor (19) is electrically connected with the control panel.

4. The novel intelligent wheelchair as claimed in claim 1, wherein the dual chain type lifting device comprises a driving circuit board, a reduction motor, a chain and a gear set; the gear set comprises a double-layer transmission worm gear (33), a double-layer transmission gear (34), a first gear (35), a hexagonal gear (36) and a second gear (37), the speed reduction motor is connected with a worm, the worm drives the double-layer transmission worm gear (33), the double-layer transmission worm gear (33) drives the double-layer transmission gear (34), the double-layer transmission gear (34) drives the first gear (35), the first gear (35) drives the second gear (37), the second gear (37) drives the hexagonal gear (36), a chain is installed on the hexagonal gear (36), and the hexagonal gear (36) drives the chain to move up and down, so that the inclination angle of the seat is adjusted; the speed reducing motor is electrically connected with the driving circuit board, and the driving circuit board is electrically connected with the control panel; the bottom of the double-chain type lifting device is fixed on the supporting plate (17) through a bolt, and the upper portion of the double-chain type lifting device is fixed on the rear side of the bottom of the seat through a chain bolt (13).

5. The new intelligent wheelchair as claimed in claim 1, further comprising a battery (2) and a GPS device; the storage battery (2) is a lithium battery, and the storage battery (2) is arranged between the upper chassis (20) and the lower chassis (1); the GPS device is fixed in the middle of the upper chassis (20) and is used for navigation of the wheelchair.

6. The novel intelligent wheelchair as claimed in claim 1, further comprising a double-limit switch disposed on the surface of the upper chassis (20), wherein the double-limit switch is electrically connected to the scissor lifting device and the double-chain type lifting device, respectively, and the double-limit switch is used for controlling the lifting speed and the lifting range of the scissor lifting device and the double-chain type lifting device.

7. The novel intelligent wheelchair as claimed in claim 1, further comprising pedals (6), wherein the pedals (6) are movably connected with the front part of the seat through bolts.

8. The novel intelligent wheelchair as claimed in claim 1, wherein the right armrest is provided with a crutch well (24), the left armrest is provided with a cup well (26), a voice broadcasting device (27), a storage box (29) and a lighting device (32), the voice broadcasting device (27) is provided with an infrared sensing alarm device (31), and the lighting device (32) is arranged on the left side of the voice broadcasting device (27).

9. The new intelligent wheelchair as claimed in claim 1, characterized in that a four-point safety belt is provided at the bottom of the backrest (14).