A wheelchair that can assist walking
By designing a retractable seat plate and lifting piece, the problem of insufficient walking space for elderly people or people with limited mobility when standing up and walking in a wheelchair is solved, and a safer and more convenient walking experience is achieved.
Patent Information
- Application Number
- CN202421331004.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-12
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-06-12
AI Technical Summary
When the elderly or persons with limited mobility are standing up and walking in a wheelchair, their hands need to be supported on the wheelchair handle, resulting in the calf approaching the wheelchair seat, insufficient walking space, and inconvenient walking.
A travelable wheelchair is designed, including a chair frame and a lifting member. The seat plate can be retracted. The ball screw and guide rod are controlled by the driving device to drive the connecting rod and seat plate to move upwards, so that the seat plate can be folded and leave enough space for the legs.
It has achieved that the elderly or people with limited mobility have enough space to walk after standing up, and through the design of protective parts, they are easily overwhelmed while walking, providing better protection.
Smart Images
Figure CN222693688U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wheelchair equipment, in particular to a walking-assist wheelchair. Background Art
[0002] A wheelchair is a chair with wheels that can help replace walking. It is designed for the injured, sick, disabled and elderly people with limited mobility. It is an important means of mobility for their home rehabilitation, turnover transportation, medical treatment and outdoor activities.
[0003] At present, some elderly people and people with limited mobility feel uncomfortable after sitting in a wheelchair for a long time, and sometimes want to stand up and walk. However, after standing up, in order to ensure stable walking, they need to support the wheelchair with their hands on the handles, but their calves will be close to the seat of the wheelchair, making the walking space insufficient, which is inconvenient for the elderly and people with limited mobility to walk. Utility Model Content
[0004] The purpose of the utility model is to solve the problem mentioned in the above-mentioned background technology that when the elderly or people with limited mobility stand up and walk, they need to support themselves on the handles of the wheelchair to walk, but their calves will be close to the seat of the wheelchair, resulting in insufficient walking space and inconvenience for people to walk.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A wheelchair that assists walking comprises a chair frame and a lifting member, wherein the chair frame is provided with a foldable seat plate, the lifting member is provided on the chair frame, the lifting member is connected to the seat plate for folding the seat plate, the chair frame is provided with a control switch and a battery, a driving device 1 and a driving device 2 are electrically connected to the battery and the control switch respectively, and the start-up of the driving device 1 and the driving device 2 is controlled by the control switch.
[0007] Preferably, the lifting member includes a ball screw and a guide rod, the ball screw is provided with a ball nut, the guide rod is movably provided with a guide block, the guide block and the ball nut are both provided with connecting blocks, a connecting rod is provided between the two connecting blocks, and the ball screw is matched with the ball nut so that the ball nut can move linearly when the ball screw rotates, and the ball nut can drive the connecting rod to move through the connecting block, and then drive one end of the seat plate to move upward, so that the seat plate can be folded up.
[0008] Preferably, the lifting member also includes a fixed plate, and two of the fixed plates are provided. The two fixed plates are both provided on the chair frame, and the ball screw and the guide rod are both provided in the fixed plate. The lower end of the ball screw is connected to a driving device 1 through a transmission assembly, and the driving device 1 is fixed to the chair frame through a mounting plate. The driving device 1 can drive the lifting member as a whole to operate, and the lifting member can move and lift one end of the seat plate upward through the lifting member, so that the seat plate can be folded up, thereby leaving enough space for the legs to walk.
[0009] Preferably, a movable cavity is provided on the fixed plate, and the ball nut and the guide block are movable in the movable cavities of the two fixed plates respectively, so that the ball nut and the guide block can move up and down in the fixed plate through the movable cavity.
[0010] Preferably, a movable groove communicating with the movable cavity is provided on one side of the fixing plate close to the connecting rod, and the connecting block is movable in the movable groove, so that the connecting block can move up and down through the movable groove.
[0011] Preferably, two support plates are symmetrically provided on the chair frame, and a movable groove is provided on the support plate facing one side of the seat plate, so that the seat plate can be moved as a whole through the movable groove.
[0012] Preferably, a support rod is provided in one end of the seat plate, and both ends of the support rod are respectively movable in the movable grooves of the two support plates, and one end of the seat plate away from the support rod is rotatably connected to the connecting rod, so that the seat plate can be supported by the support plate, and the support rod can move in the movable groove in the support plate, so that the end of the support plate connected to the connecting rod can move upward, and then the seat plate can be pulled to stand up as a whole.
[0013] Preferably, protective parts are provided on the two fixed plates, and the protective parts include a rotating rod, a rotating plate is provided on the rotating rod, and a protective plate is provided on one end of the rotating plate away from the rotating rod. The protective parts can better protect the elderly or patients with limited mobility when they are walking, and prevent the elderly or patients with limited mobility from easily falling forward when walking.
[0014] Preferably, one end of the rotating rod is connected to a second driving device, which is mounted on a fixed plate. The second driving device can be a motor when in use, which can drive the rotating rod to rotate automatically and then automatically turn the protective plate to the front side.
[0015] Preferably, the fixed plate is provided with a connecting end, and the two ends of the rotating rod are respectively rotatably arranged in the connecting ends of the two fixed plates. The rotating rod can be connected to the connecting end through a bearing, and the rotation of the rotating rod can drive the rotating plate to rotate, and then the protective plate is rotated to the front side of the user for protection.
[0016] Compared with the prior art, the utility model has the following beneficial effects:
[0017] The utility model provides a seat plate movably arranged on the chair frame so that the seat plate can be turned to stand up, so that the elderly or the disabled people can have enough space to walk after standing up, and the standing people can walk slowly by holding the handrail on the chair frame;
[0018] The protective piece can be rotated to the front of the chest of the user, and can protect the front of the elderly or people with limited mobility, so as to prevent them from losing their balance and falling forward, and can provide better protection for their walking. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, 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 creative work.
[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0021] Figure 2 This is a view of the seat plate of the utility model in the position of the chair frame;
[0022] Figure 3 This is a structural view of the chair frame of the utility model;
[0023] Figure 4 This is a view of the connection between the lifting member and the seat plate of the utility model;
[0024] Figure 5 The lifting member structure of the utility model is practical;
[0025] Figure 6 This is an exploded view of the lifting member structure of the utility model;
[0026] Figure 7 For the utility model Figure 6 Enlarged view at A in the middle;
[0027] Figure 8 This is a structural view of the protective element of the utility model.
[0028] Explanation of figure numbers: 1. Chair frame; 11. Support plate; 12. Movable slot; 2. Seat plate; 21. Support rod; 3. Lifting member; 31. Fixed plate; 311. Movable cavity; 312. Movable slot; 32. Ball screw; 33. Guide rod; 34. Guide block; 35. Connecting block; 36. Connecting rod; 37. Drive device one; 38. Mounting plate; 39. Transmission assembly; 4. Protective member; 41. Drive device two; 42. Rotating rod; 43. Turning plate; 44. Protective plate. DETAILED DESCRIPTION
[0029] The utility model is described in further detail below in conjunction with the accompanying drawings.
[0030] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments described below are only examples, and those skilled in the art can think of other obvious variations. The basic principles of the utility model defined in the following description can be used for other implementation schemes, variations, improvements, equivalent schemes, and other technical solutions that do not deviate from the spirit and scope of the utility model.
[0031] Those skilled in the art should understand that, in the disclosure of the present invention, the directions or positions indicated by the terms "longitudinal", "lateral", "up", "down", "left", "right", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. are based on the directions or positional relationships shown in the accompanying drawings, which are only simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or component referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the above terms should not be understood as limitations on the present invention.
[0032] It is to be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity. Example
[0033] See also Figure 1-Figure 8 A wheelchair with walking assistance includes a chair frame 1 and a lifting member 3. The chair frame 1 is provided with a foldable seat plate 2. The lifting member is arranged on the chair frame 1. The lifting member 3 is connected to the seat plate 2 for folding the seat plate 2. The chair frame 1 is provided with a control switch and a battery. A driving device 1 37 and a driving device 2 41 are electrically connected to the battery and the control switch respectively. The start-up of the driving device 1 37 and the driving device 2 41 is controlled by the control switch.
[0034] The lifting member 3 includes a ball screw 32 and a guide rod 33. The ball screw 32 is provided with a ball nut. The guide rod 33 is movably provided with a guide block 34. The guide block 34 and the ball nut are both provided with a connecting block 35. A connecting rod 36 is provided between the two connecting blocks 35. The ball screw 32 cooperates with the ball nut so that the ball nut can move linearly when the ball screw 32 rotates. The ball nut can drive the connecting rod 36 to move through the connecting block 35, and then can drive one end of the seat plate 2 to move upward, so that the seat plate 2 can be folded up.
[0035] Furthermore, the lifting member 3 also includes a fixing plate 31, and there are two fixing plates 31. Both fixing plates 31 are arranged on the chair frame 1. The ball screw 32 and the guide rod 33 are arranged in the fixing plate 31. The lower end of the ball screw 32 is connected to a driving device 37 through a transmission assembly 39. The driving device 37 is fixed to the chair frame 1 through a mounting plate 38. The driving device 37 can drive the lifting member 3 to operate as a whole. The lifting member 3 can move and lift one end of the seat plate 2 upward through the lifting member 3, so that the seat plate 2 can be folded up, thereby leaving enough space for the legs to walk. A backrest cloth is also provided between the two fixing plates 31, and the user can lean on the backrest cloth when sitting on the seat plate 2. Push handles are provided on the upper ends of the two fixing plates 31, and the wheelchair can be pushed conveniently through the push handles.
[0036] The fixed plate 31 is provided with a movable cavity 311 , and the ball nut and the guide block 34 are respectively movable in the movable cavities 311 on the two fixed plates 31 , so that the ball nut and the guide block 34 can move up and down in the fixed plate 31 through the movable cavity 311 .
[0037] Furthermore, a movable groove 312 communicating with the movable cavity 311 is formed on one side of the fixing plate 31 close to the connecting rod 36 , and the connecting block 35 is movable in the movable groove 312 , so that the connecting block 35 can move up and down through the movable groove 312 .
[0038] It should be noted that two support plates 11 are symmetrically arranged on the chair frame 1, and a movable groove 12 is provided on the side of the support plate 11 facing the seat plate 2, so that the seat plate 2 can be moved as a whole through the movable groove 12. A support rod 21 is provided in one end of the seat plate 2, and both ends of the support rod 21 are respectively movable in the movable grooves 12 of the two support plates 11. One end of the seat plate 2 away from the support rod 21 is rotatably connected to the connecting rod 36. The seat plate 2 can be supported by the support plate 11, and the support rod 21 can be moved in the movable groove 12 in the support plate 11, so that the end of the support plate 11 connected to the connecting rod 36 can move upward, and then the seat plate 2 can be pulled to stand up as a whole.
[0039] It should be added that a protective member 4 is provided on the two fixed plates 31, and the protective member 4 includes a rotating rod 42, a rotating plate 43 is provided on the rotating rod 42, and a protective plate 44 is provided on the rotating plate 43 at one end away from the rotating rod 42. The protective member 4 can better protect the elderly or patients with limited mobility when they are walking, so as to prevent the elderly or patients with limited mobility from easily falling forward when walking. A driving device 41 is connected to one end of the rotating rod 42, and the driving device 41 is installed on the fixed plate 31. The driving device 41 can be a motor when in use. The driving device 41 can drive the rotating rod 42 to rotate automatically, and then the protective plate 44 can be automatically rotated to the front side.
[0040] Among them, a connecting end is provided on the fixed plate 31, and the two ends of the rotating rod 42 are respectively rotatably arranged in the connecting ends of the two fixed plates 31. The rotating rod 42 can be connected to the connecting end through a bearing. The rotation of the rotating rod 42 can drive the rotating plate 43 to rotate, and then the protective plate 44 is rotated to the front side of the user for protection.
[0041] When the utility model is in use, an elderly person or a person with limited mobility sits on the seat plate 2. When they want to stand up and move around, they start the driving device 1 37 and the driving device 2 41 through the control switch. The output shaft of the driving device 1 37 drives the ball screw 32 to rotate, so that the ball nut on the ball screw 32 moves upward, and the ball nut can drive the connecting rod 36 to move upward through the connecting block 35. When the connecting rod 36 moves upward, it can pull one end of the seat plate 2 connected to it to move upward, so that the seat plate 2 rotates upward, and one end of the seat plate 2 connected to the support rod 21 will move toward the fixed plate 31, so that the seat plate 2 can move to a standing state, so that the elderly person or the person with limited mobility can have enough space to walk after standing up, and the standing person can walk slowly by holding the handrail on the chair frame 1 with his hands;
[0042] The driving device 41 is started, and the output shaft of the driving device 41 drives the rotating rod 42 to rotate, and then drives the rotating plate 43 to rotate, and the rotating plate 43 drives the protective plate 44 to rotate in front of the person, so that the protective plate 44 can be rotated to the front of the person's chest, which can protect the front of the elderly or people with limited mobility, prevent them from losing their balance and falling forward, and provide better protection for their walking.
[0043] Those skilled in the art should understand that the embodiments of the present invention described above and shown in the accompanying drawings are only examples and do not limit the present invention. The purpose of the present invention has been fully and effectively achieved. The functions and structural principles of the present invention have been demonstrated and explained in the embodiments. Without departing from the principles, the embodiments of the present invention may be deformed or modified in any way.
Claims
1. A wheelchair capable of assisting walking, characterized in that: The chair frame (1) comprises a chair frame (1), wherein a foldable seat plate (2) is provided on the chair frame (1); A lifting member (3) is arranged on the chair frame (1); the lifting member (3) is connected to the seat plate (2) for folding the seat plate (2).
2. The wheelchair according to claim 1, characterized in that: The lifting member (3) comprises a ball screw (32) and a guide rod (33); a ball nut is provided on the ball screw (32); a guide block (34) is movably provided on the guide rod (33); a connecting block (35) is provided on both the guide block (34) and the ball nut; a connecting rod (36) is provided between the two connecting blocks (35).
3. The wheelchair according to claim 2, characterized in that: The lifting member (3) also includes a fixing plate (31), two fixing plates (31) are provided, and the two fixing plates (31) are both provided on the chair frame (1), the ball screw (32) and the guide rod (33) are both provided in the fixing plate (31), and the lower end of the ball screw (32) is connected to a driving device (37) through a transmission assembly (39), and the driving device (37) is fixed to the chair frame (1) through a mounting plate (38).
4. The wheelchair according to claim 3, characterized in that: The fixed plate (31) is provided with a movable cavity (311), and the ball nut and the guide block (34) are respectively movable in the movable cavities (311) on the two fixed plates (31).
5. The wheelchair according to claim 4, characterized in that: A movable groove (312) communicating with the movable cavity (311) is formed on one side of the fixed plate (31) close to the connecting rod (36), and the connecting block (35) is movable in the movable groove (312).
6. The wheelchair according to claim 5, characterized in that: Two support plates (11) are symmetrically arranged on the chair frame (1), and a movable groove (12) is arranged on a side of the support plate (11) facing the seat plate (2).
7. The wheelchair according to claim 6, characterized in that: A support rod (21) is provided in one end of the seat plate (2), and both ends of the support rod (21) are movably located in the movable grooves (12) of the two support plates (11), respectively. One end of the seat plate (2) away from the support rod (21) is rotatably connected to the connecting end.
8. The wheelchair according to claim 7, characterized in that: A protective member (4) is provided on the two fixed plates (31), the protective member (4) comprises a rotating rod (42), a rotating plate (43) is provided on the rotating rod (42), and a protective plate (44) is provided at one end of the rotating plate (43) away from the rotating rod (42).
9. The wheelchair according to claim 8, characterized in that: One end of the rotating rod (42) is connected to a second driving device (41), and the second driving device (41) is installed on the fixing plate (31).
10. The wheelchair according to claim 9, characterized in that: The fixed plate (31) is provided with a connecting end, and the two ends of the rotating rod (42) are respectively rotatably arranged in the connecting ends of the two fixed plates (31).