CN215350082U - Novel multifunctional wheelchair capable of going upstairs - Google Patents
Novel multifunctional wheelchair capable of going upstairs Download PDFInfo
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- CN215350082U CN215350082U CN202120611323.XU CN202120611323U CN215350082U CN 215350082 U CN215350082 U CN 215350082U CN 202120611323 U CN202120611323 U CN 202120611323U CN 215350082 U CN215350082 U CN 215350082U
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Abstract
The utility model relates to the technical field of wheelchairs, in particular to a novel multifunctional upstairs wheelchair which comprises a wheelchair body, wherein a support frame is arranged at the lower end of the wheelchair body. The utility model adopts the spring self-locking wheel which does not appear in the market, and has the function of changing the inclination angle of the seat when climbing stairs, so that the seat can be kept horizontal in the process of going upstairs. Because it can make the interval increase between front wheel and the rear wheel through the flexible of pole, the effectual hypsokinesis problem of having prevented in the process of climbing stairs. The product can help the old with inconvenient actions to go upstairs and downstairs, and prevent the old from falling down and being injured because of going upstairs and downstairs. In addition, the product also has the lifting function, and the whole seat can stably move up and down by simultaneously changing the inclination angle of the front wheel and the rear wheel, so that the space constraint on a wheelchair user is relieved. The height of the user can be freely adjusted, and articles at high positions can be taken without taking off the wheelchair by lifting the seat.
Description
Technical Field
The utility model relates to the technical field of wheelchairs, in particular to a novel multifunctional upstairs wheelchair.
Background
With the development of times, China has already stepped into an aging society, and the number of the old people is nearly two hundred million, while the number of the disabled people is more than 8 million. This is a huge and special group, which is a weak person in society, and needs social care, especially a means of communication that suits their psychological and physiological characteristics. The wheelchair is the most convenient vehicle for the disabled and the old at present. The wheelchair enables the disabled and the old with inconvenient legs and feet to have certain mobility. With the help of the wheelchair, they can take care of their lives, arrange their chores, and even be competent for proper work all day. The wheelchairs in the market at present have approximately the same structure and are divided into manual wheelchairs and electric wheelchairs. The manual wheel chairs are mostly driven by hand rims, and the electric wheel chairs are driven by a direct current motor with a reduction box and controlled by a rocking handle.
However, the existing wheelchairs can only be forbidden when facing obstacles such as steps, stairs and the like, and are very difficult to climb over the obstacles even if other people assist, the defect brings great inconvenience to the life of the disabled, and most of the existing wheelchairs are only driven by a rear wheel, so that the stability of the wheelchairs is poor when the wheelchairs travel or climb the stairs, and a novel multifunctional wheelchair capable of going upstairs is provided for the people.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel multifunctional upstairs wheelchair to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
a novel multifunctional wheelchair capable of going upstairs comprises a wheelchair body, wherein a support frame is arranged at the lower end of the wheelchair body, guide rails are arranged on two sides of the support frame and are connected to the support frame through a guide rail fixing frame, each guide rail is of an annular structure consisting of a semi-annular front wheel guide rail and a semi-annular rear wheel guide rail, a rotating shaft is transversely arranged on each support frame, two ends of each rotating shaft respectively extend out of the middle of each guide rail, a stair-climbing front wheel rotating rod is arranged on each front wheel guide rail, the upper end of each stair-climbing front wheel rotating rod is connected into a sliding groove of each front wheel guide rail in a sliding mode, the middle of each stair-climbing front wheel rotating rod is connected onto each rotating shaft in a rotating mode, a stair-climbing front wheel is arranged on one side of the lower end of each stair-climbing front wheel rotating rod, and a stair-climbing front wheel motor is arranged on the other side of the lower end of each stair-climbing front wheel rotating rod; the rear wheel guide rail is provided with a rear wheel rotating rod, the upper end of the rear wheel rotating rod is connected in a sliding groove of the rear wheel guide rail in a sliding mode, the middle of the rear wheel rotating rod is connected to a rotating shaft in a rotating mode, one side of the lower end of the rear wheel rotating rod is provided with a rear wheel, and the other side of the lower end of the rear wheel rotating rod is provided with a rear wheel motor; one end of the stair climbing front wheel rotating rod is provided with a stair climbing front wheel adjusting rod, one end of the rear wheel rotating rod is provided with a rear wheel adjusting rod, flat ground front wheels are symmetrically arranged at the front side end of the supporting frame, and the upper ends of the flat ground front wheels are rotatably connected with the supporting frame; the two sides of the vehicle body are respectively provided with a handrail, one handrail is provided with a controller, and the lower end of the support frame is also provided with a storage/battery box.
As a further scheme of the utility model: the rear wheel comprises a framework, an electromagnetic lock cylinder and a wheel face, the framework is triangular fork-shaped, the outer surface of the framework is provided with three small wheels through a rotating shaft, the socket of the framework is provided with the wheel face, the inner side end of the wheel face is connected with the electromagnetic lock cylinder, and the other end of the electromagnetic lock cylinder is connected with the framework.
The electromagnetic lock cylinder is of the model LY-032;
when the wheelchair moves from flat → stairs: the electromagnetic lock cylinder is in a retraction state, and the wheel surface contracts under the action of the spring, so that the purpose of deformation is achieved, and upstairs going is completed.
When the wheelchair moves from stairs → flat ground: the electromagnetic lock core is in a popup state, the wheel surface resets under the action of the spring, the other wheel surface cannot be locked immediately due to the fact that the other wheel surface is in a touchdown state, when the rear wheel continues to advance and the wheel surface overturns, the wheel surface which cannot reset completes resetting, the electromagnetic lock core pops up, and the conversion process is completed.
As a further scheme of the utility model: the stair climbing front wheel is a triangular wheel formed by three small wheels and is rotatably connected to the lower end of a stair climbing front wheel rotating rod through a support.
As a further scheme of the utility model: one end of the handrail is connected to the side edge of the backrest of the vehicle body in a sliding mode, a handrail adjusting rod is arranged on the lower end face of the handrail, and the lower end of the handrail adjusting rod is connected to the supporting frame.
As a further scheme of the utility model: handles are symmetrically arranged at the upper end of the back of the wheelchair body and are right-angled, so that a user can push the wheelchair to move forward conveniently.
As a further scheme of the utility model: the front end of automobile body is equipped with two footboards, the footboard passes through the connecting rod to be fixed on the support frame, and the patient of being convenient for or old man place biped.
Compared with the prior art, the utility model has the following advantages:
the utility model adopts the spring self-locking wheel which does not appear in the market, and has the function of changing the inclination angle of the seat when climbing stairs, so that the seat can be kept horizontal in the process of going upstairs; the front wheel motor 17 and the rear wheel motor 19 of the stair climbing are used for driving the vehicle body 1 to move forward together, so that the wheelchair can go upstairs more easily and more stably; because it can make the interval increase between front wheel and the rear wheel through the flexible of pole, the effectual hypsokinesis problem of having prevented in the process of climbing stairs. The product can help the old with inconvenient actions to go upstairs and downstairs, and prevent the old from falling down and being injured because of going upstairs and downstairs. In addition, the product also has the lifting function, and the whole seat can stably move up and down by simultaneously changing the inclination angle of the front wheel and the rear wheel, so that the space constraint on a wheelchair user is relieved. The height of the user can be freely adjusted, and articles at high positions can be taken without taking off the wheelchair by lifting the seat.
Drawings
Fig. 1 is a schematic structural view of a novel multifunctional upstairs wheelchair.
Fig. 2 is a front view structure schematic diagram of a novel multifunctional upstairs wheelchair.
Fig. 3 is a left side view structure diagram of a novel multifunctional wheelchair capable of going upstairs.
Fig. 4 is a schematic structural view of a rear wheel in the novel multifunctional upstairs wheelchair.
Fig. 5 is a schematic sectional structure view of a rear wheel of the novel multifunctional upstairs wheelchair.
Fig. 6 is a schematic diagram of the skeleton structure of the rear wheel of the novel multifunctional upstairs wheelchair.
Fig. 7 is a schematic structural view of a guide rail in the novel multifunctional upstairs wheelchair.
In the figure: 1. a vehicle body; 2. a handle; 3. a controller; 4. a guide rail fixing frame; 5. a rear wheel adjustment lever; 6. a rear wheel; 61. a framework; 62. an electromagnetic lock cylinder; 63. a wheel surface; 7. a small wheel; 8. a stair climbing front wheel adjusting rod; 9. the stair climbing front wheel rotates the pole; 10. a pedal; 11. climbing a building front wheel; 12. a storage/battery compartment; 13. a guide rail; 14. a handrail adjusting rod; 15. a handrail; 16. a support frame; 17. a stair climbing front wheel motor; 18. a front wheel on the flat ground; 19. a rear wheel motor; 20. the rear wheel rotates the rod; 21. and rotating the shaft.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Referring to fig. 1-7, a novel multifunctional wheelchair capable of going upstairs comprises a wheelchair body 1, a support frame 16 is arranged at the lower end of the wheelchair body 1, guide rails 13 are arranged at both sides of the support frame 16, the guide rails 13 are connected to the support frame 16 through a guide rail 13 fixing frame 4, the guide rails 13 are of an annular structure consisting of a semi-annular front wheel guide rail 13 and a semi-annular rear wheel 6 guide rail 13, a rotating shaft 21 is transversely arranged on the support frame 16, both ends of the rotating shaft 21 respectively extend out from the middle of the guide rail 13, a stair climbing front wheel rotating rod 9 is arranged on the front wheel guide rail 13, the upper end of the stair climbing front wheel rotating rod 9 is slidably connected in a chute of the front wheel guide rail 13, the middle of the stair climbing front wheel rotating rod 9 is rotatably connected to the rotating shaft 21, a stair climbing front wheel 11 is arranged on one side of the lower end of the stair climbing front wheel rotating rod 9, and a stair climbing front wheel motor 17 is arranged on the other side of the lower end of the stair climbing front wheel rotating rod 9; a rear wheel rotating rod 20 is arranged on the guide rail 13 of the rear wheel 6, the upper end of the rear wheel rotating rod 20 is connected in a sliding groove of the guide rail 13 of the rear wheel 6 in a sliding way, the middle of the rear wheel rotating rod 20 is connected on a rotating shaft 21 in a rotating way, a rear wheel 6 is arranged on one side of the lower end of the rear wheel rotating rod 20, and a rear wheel motor 19 is arranged on the other side of the lower end of the rear wheel rotating rod 20; one end of the stair climbing front wheel rotating rod 9 is provided with a stair climbing front wheel adjusting rod 8, one end of the rear wheel rotating rod 20 is provided with a rear wheel 6 adjusting rod 5, the front side end of the supporting frame 16 is symmetrically provided with flat ground front wheels 18, and the upper ends of the flat ground front wheels 18 are rotatably connected with the supporting frame 16; the two sides of the vehicle body 1 are provided with armrests 15, one of the armrests 15 is provided with a controller 3, and the lower end of the support frame 16 is also provided with a storage/battery box 12.
The rear wheel 6 comprises a framework 61, an electromagnetic lock core 62 and a wheel surface 63, the framework 61 is in a triangular fork shape, three small wheels 7 are arranged on the outer surface of the framework 61 through rotating shafts, the wheel surface 63 is arranged at a socket of the framework 61, the inner side end of the wheel surface 63 is connected with the electromagnetic lock core 62, and the other end of the electromagnetic lock core 62 is connected with the framework 61.
The electromagnetic lock cylinder 62 is LY-032;
when the wheelchair moves from flat → stairs: the electromagnetic lock cylinder 62 is in a retracted state, and the wheel surface 63 contracts under the action of the spring, so that the purpose of deformation is achieved, and upstairs going is completed.
When the wheelchair moves from stairs → flat ground: the electromagnetic lock cylinder 62 is in an ejecting state, the wheel surface 63 resets under the action of the spring, the wheel surface 63 cannot be locked immediately due to the fact that the other wheel surface 63 is in a grounding state, when the rear wheel 6 continues to advance and the wheel surface 63 overturns, the wheel surface 63 which cannot reset completes resetting, the electromagnetic lock cylinder 62 ejects, and the conversion process is completed.
The front wheel 11 for climbing stairs is a triangular wheel formed by three small wheels and is connected with the lower end of the front wheel rotating rod 9 for climbing stairs through a bracket.
One end of the armrest 15 is slidably connected to the side of the backrest of the vehicle body 1, an armrest adjusting rod 14 is arranged on the lower end surface of the armrest 15, and the lower end of the armrest adjusting rod 14 is connected to the support frame 16.
The handles 2 are symmetrically arranged at the upper end of the back of the vehicle body 1, and the handles 2 are right-angled, so that a user can push the wheelchair to move forward conveniently.
Two pedals 10 are arranged at the front end of the trolley body 1, and the pedals 10 are fixed on the support frame 16 through connecting rods, so that a patient or an old man can place feet conveniently.
The working principle of the utility model is as follows: when going upstairs, the stair climbing front wheel 11 prepares to go upstairs at the first stage, the stair climbing front wheel motor 17 drives the stair climbing front wheel 11 to rotate, so that the stair climbing front wheel 11 goes upstairs at the first stage, and the vehicle body 1 is kept horizontal by the extension and retraction of the stair climbing front wheel adjusting rod 8; the stair climbing front wheel motor 17 drives the stair climbing front wheel 11 to continue rotating, the stair climbing front wheel 11 goes up to a second-stage stair, meanwhile, the rear wheel motor 19 drives the rear wheel 6 to go forward, when the rear wheel 6 reaches the first-stage stair, the electromagnetic lock cylinder 62 on the rear wheel 6 contracts at the moment, so that the wheel surface 63 contracts, the stair climbing is carried out through the small wheel 7 on the outer side of the rear wheel 6, the rear wheel adjusting rod 5 extends, so that the rear wheel rotating rod 20 rotates, the rear wheel 6 is lifted, the vehicle body 1 is kept horizontal, and the tipping is prevented; when the front and rear wheels 6 advance to enable the wheelchair to climb the stairs and the front wheel 11 reaches the stair plane, the flat ground front wheel 18 lands on the ground to enable the wheelchair to continue to advance, meanwhile, the rear wheel adjusting rod 5 contracts to enable the inclination angle of the rear wheel to be reduced, the wheelchair body 1 is kept horizontal again, and the wheelchair can go upstairs. The utility model adopts the spring self-locking wheel which does not appear in the market, and has the function of changing the inclination angle of the seat when climbing stairs, so that the seat can be kept horizontal in the process of going upstairs; the front wheel motor 17 and the rear wheel motor 19 of the stair climbing are used for driving the vehicle body 1 to move forward together, so that the wheelchair can go upstairs more easily and more stably; because it can make the interval increase between front wheel and the rear wheel 6 through the flexible of pole, the effectual hypsokinesis problem of having prevented in the process of climbing stairs. The product can help the old with inconvenient actions to go upstairs and downstairs, and prevent the old from falling down and being injured because of going upstairs and downstairs. In addition, the product also has the lifting function, and the whole seat can stably move up and down by changing the inclination angle of the front wheels 11 and the rear wheels 6 when climbing stairs, so that the space constraint on a wheelchair user is released. The height of the user can be freely adjusted, and articles at high positions can be taken without taking off the wheelchair by lifting the seat.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (6)
1. The utility model provides a novel multi-functional wheelchair that can go upstairs, its characterized in that, includes wheelchair automobile body (1), the lower extreme of automobile body (1) is equipped with support frame (16), the both sides of support frame (16) are equipped with guide rail (13), guide rail (13) are connected on support frame (16) through guide rail (13) mount (4), guide rail (13) are by the loop configuration of a semi-annular front wheel guide rail (13) and a semi-annular rear wheel (6) guide rail (13) constitution, transversely be equipped with axis of rotation (21) on support frame (16), the both ends of axis of rotation (21) are stretched out from the centre of guide rail (13) respectively, be equipped with on front wheel guide rail (13) and climb building front wheel swing pole (9), the upper end sliding connection of climbing building front wheel swing pole (9) is in the spout of front wheel guide rail (13), and the centre of climbing building front wheel swing pole (9) is connected on axis of rotation (21), a stair climbing front wheel (11) is arranged on one side of the lower end of the stair climbing front wheel rotating rod (9), and a stair climbing front wheel motor (17) is arranged on the other side of the lower end of the stair climbing front wheel rotating rod (9); a rear wheel rotating rod (20) is arranged on a guide rail (13) of the rear wheel (6), the upper end of the rear wheel rotating rod (20) is connected in a sliding groove of the guide rail (13) of the rear wheel (6) in a sliding mode, the middle of the rear wheel rotating rod (20) is connected to a rotating shaft (21) in a rotating mode, a rear wheel (6) is arranged on one side of the lower end of the rear wheel rotating rod (20), and a rear wheel motor (19) is arranged on the other side of the lower end of the rear wheel rotating rod (20); one end of the stair climbing front wheel rotating rod (9) is provided with a stair climbing front wheel adjusting rod (8), one end of the rear wheel rotating rod (20) is provided with a rear wheel (6) adjusting rod (5), the front side end of the support frame (16) is symmetrically provided with flat ground front wheels (18), and the upper ends of the flat ground front wheels (18) are rotatably connected with the support frame (16); the bicycle is characterized in that handrails (15) are arranged on two sides of the bicycle body (1), a controller (3) is arranged on one handrail (15), and a storage/battery box (12) is further arranged at the lower end of the support frame (16).
2. The novel multifunctional wheelchair capable of going upstairs, according to claim 1, is characterized in that the rear wheel (6) comprises a framework (61), an electromagnetic lock cylinder (62) and a wheel face (63), the framework (61) is triangular fork-shaped, three small wheels (7) are arranged on the outer surface of the framework (61) through a rotating shaft, the wheel faces (63) are arranged at the sockets of the framework (61), the inner ends of the wheel faces (63) are connected with the electromagnetic lock cylinder (62), and the other end of the electromagnetic lock cylinder (62) is connected with the framework (61).
3. The novel multifunctional wheelchair capable of going upstairs as claimed in claim 1, wherein the stair climbing front wheel (11) is a triangular wheel consisting of three small wheels and is rotatably connected to the lower end of the stair climbing front wheel rotating rod (9) through a support.
4. The novel multifunctional upstairs wheelchair as claimed in claim 1, wherein one end of the armrest (15) is slidably connected to the side of the backrest of the vehicle body (1), and the lower end surface of the armrest (15) is provided with an armrest adjusting rod (14), and the lower end of the armrest adjusting rod (14) is connected to the supporting frame (16).
5. The novel multifunctional wheelchair capable of going upstairs as claimed in claim 1, wherein handles (2) are symmetrically arranged at the upper end of the back surface of the vehicle body (1), and the handles (2) are right-angled.
6. The novel multifunctional wheelchair capable of going upstairs as claimed in claim 1, wherein two pedals (10) are arranged at the front end of the vehicle body (1), and the pedals (10) are fixed on the support frame (16) through connecting rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120611323.XU CN215350082U (en) | 2021-03-25 | 2021-03-25 | Novel multifunctional wheelchair capable of going upstairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120611323.XU CN215350082U (en) | 2021-03-25 | 2021-03-25 | Novel multifunctional wheelchair capable of going upstairs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215350082U true CN215350082U (en) | 2021-12-31 |
Family
ID=79624246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120611323.XU Active CN215350082U (en) | 2021-03-25 | 2021-03-25 | Novel multifunctional wheelchair capable of going upstairs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215350082U (en) |
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2021
- 2021-03-25 CN CN202120611323.XU patent/CN215350082U/en active Active
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