Linear single-drive wheelchair elevator
By designing a linear single-drive wheelchair lift, the existing wheelchair lift has solved the problem of complex structure and high failure rate, and a simple structure and low failure rate lift is realized. It is suitable for installation on corridor walls and does not affect the use of stair handrails.
Patent Information
- Application Number
- CN202421365735.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-17
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-06-17
AI Technical Summary
The existing wheelchair lifts have complex structures and high failure rates, and are installed on stair handrails that affect the use of handrails.
A linear single-drive wheelchair lift is designed, adopting a single-drive structure, including a drive rail and a guide rail, a first panel and a second panel, and the lift rise or fall is achieved through a drive block.
It realizes a lift with a simple structure and low failure rate, which can be installed on one side of the corridor wall without affecting the use of stair handrails. It has a good experience and is easy to promote and use.
Smart Images

Figure CN222454431U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lift structures, in particular to a linear single-drive wheelchair lift. Background Art
[0002] At present, in some buildings without elevators, people have developed wheelchair lifts to meet the needs of wheelchair users and other people with limited mobility to climb stairs. When using it, the wheelchair is pushed onto the lifting platform or stands on the lifting platform, and then the wheelchair lift is controlled to rise and fall along the preset track, thereby meeting the needs of people with limited mobility to climb stairs.
[0003] The existing wheelchair lift has a complex structure and is dual-driven, with a high failure rate, which seriously affects the user experience. In addition, the existing wheelchair lift is usually installed on the stair handrail, which affects the use of the stair handrail. Utility Model Content
[0004] In view of the technical problems pointed out in the above background technology, the purpose of the utility model is to provide a linear single-drive wheelchair lift.
[0005] To achieve the above purpose, the technical solution provided by the utility model is as follows:
[0006] A linear single-drive wheelchair lift, comprising a drive track and a guide track, a first panel and a second panel; the drive track and the guide track are arranged in parallel, the guide track is installed on the corridor wall, and the drive track is installed on the corridor steps below the guide track through a bottom column; the first panel and the second panel are arranged at intervals on the left and right, a loading platform is installed at the lower end of the front side of the first panel and the second panel, the upper ends of the back sides of the first panel and the second panel are respectively connected to the guide track through a guide block, and the lower end of the back side of the second panel is connected to the drive track through a drive block;
[0007] The driving block includes a driving mechanism and a driving guide limiting mechanism; the driving mechanism includes a first housing and a driving motor, a reducer and a driving wheel installed in the first housing, and the driving motor is connected to the driving wheel through the reducer; the driving guide limiting mechanism includes a left fixed plate and a right fixed plate respectively connected to the lower ends of both sides of the first housing, a first guide wheel group is installed on the left fixed plate, and a second guide wheel group symmetrical to the first guide wheel group is installed on the right fixed plate;
[0008] The driving track includes a track frame, a driving rack connected to the driving wheel is arranged on the track frame along the length direction, a first U-shaped groove opening to the left and a second U-shaped groove opening to the right are respectively arranged on both sides of the track frame, and the first guide wheel group and the second guide wheel group move in the first U-shaped groove and the second U-shaped groove opening to the right respectively.
[0009] Compared with the prior art, the beneficial effects of the utility model are as follows: the linear single-drive wheelchair lift provided in the present application adopts a single-drive structure, and the overall structure is improved, so that the structure is simple, the failure rate is low, and it can be installed on one side of the corridor wall without affecting the use of the stair handrails. The user experience is better and it is easy to promote and use in the industry. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 A schematic diagram of a structure of one side provided in an embodiment of the present application;
[0011] In the figure, the driving track 1, the guide track 2, the first panel 3, the second panel 4, the rotating handrail 5, the carrying platform 6, the driving block 7, and the bottom column 8;
[0012] Figure 2 A schematic diagram of the structure of the other side provided in the embodiment of the present application;
[0013] Figure 3 This is a schematic diagram of the structure of the guide track in the embodiment of the present application;
[0014] In the figure, a fixing plate 21, a connecting plate 22, and a guide column 23;
[0015] Figure 4 This is a schematic diagram of the structure of the guide block in the embodiment of the present application;
[0016] In the figure, U-shaped guide wheel frame 41, connecting shaft 42, guide wheel mounting block 43, guide wheel 44;
[0017] Figure 5 This is a structural schematic diagram of the guide wheel mounting block in the embodiment of the present application;
[0018] Figure 6 A schematic diagram of the connection structure between the drive rail and the drive block provided in an embodiment of the present application;
[0019] In the figure, the track frame 11, the driving rack 12, the driving mechanism 71, and the driving guide limiting mechanism 72;
[0020] Figure 7 This is a schematic diagram of the structure of the driving mechanism and the driving guide mechanism in the embodiment of the present application;
[0021] In the figure, there are a driving motor 73, a speed reducer 74, a longitudinal guide wheel 75, a transverse guide wheel 76, and a driving wheel 77. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0024] In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be fixedly connected, set, or detachably connected, set, or integrally connected, set, and can refer to direct connection or indirect connection. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.
[0025] See also Figure 1-Figure 7 The figure shows the structure of the embodiment provided by the utility model.
[0026] Example
[0027] This embodiment provides a linear single-drive wheelchair lift, comprising a drive track 1 and a guide track 2, a first panel 3, and a second panel 4;
[0028] The driving track 1 and the guide track 2 are arranged in parallel, the guide track 2 is installed on the corridor wall, and the driving track 1 is installed on the corridor steps below the guide track 2 through the bottom column 8;
[0029] The first panel 3 and the second panel 4 are arranged with an interval on the left and right, and a carrying platform 6 is installed at the lower end of the front side of the first panel 3 and the second panel 4. The upper ends of the back sides of the first panel 3 and the second panel 4 are respectively connected to the guide rail 2 through a guide block to realize the guiding and limiting function; the lower end of the back side of the second panel 4 is connected to the driving rail through the driving block 7, and the driving block moves on the driving rail to realize the rising or falling of the elevator carrying platform.
[0030] The driving block 7 includes a driving mechanism 71 and a driving guide limiting mechanism 72. The driving mechanism 71 includes a first housing and a driving motor 73, a reducer 74 and a driving wheel 77 installed in the first housing. The driving motor 73 is connected to the driving wheel 77 through the reducer 74. The driving guide limiting mechanism includes a left fixed plate and a right fixed plate respectively connected to the lower ends of both sides of the first housing. A first guide wheel group is installed on the left fixed plate, and a second guide wheel group symmetrical to the first guide wheel group is installed on the right fixed plate.
[0031] The driving track includes a track frame 11, and a driving rack 12 connected to the driving wheel 77 is arranged on the track frame 11 along the length direction. The driving motor drives the driving wheel to rotate, so that the driving wheel is meshed and connected with the driving rack. The driving wheel rotates on the driving rack to realize the movement of the driving block and the entire elevator. A first U-shaped groove opening to the left and a second U-shaped groove opening to the right are respectively arranged on both sides of the track frame 11. The first guide wheel group and the second guide wheel group move in the first U-shaped groove and the second U-shaped groove opening to the right respectively, playing a guiding and limiting role.
[0032] In a preferred embodiment, the first guide wheel group includes two front and rear first guide units, each of which includes a longitudinal guide wheel 75 capable of longitudinal rotation and a transverse guide wheel 76 capable of transverse rotation, the wheel axle of the longitudinal guide wheel 75 is connected to the left fixed plate, and the transverse guide wheel 76 is connected to the left fixed plate through a first wheel frame.
[0033] With reference to the structure of the first guide wheel group, the structure of the second guide wheel group is symmetrically arranged therewith and will not be described in detail here.
[0034] In a preferred embodiment, a rotating armrest 5 is provided on both sides of the carrying platform 6, and the lower end of the rotating armrest 5 is rotatably connected to the carrying platform 6. By providing a rotatable armrest 5, it does not affect the up and down movement of the wheelchair, and can meet the requirements of safe use.
[0035] In a preferred embodiment, the guide rail 2 includes a fixing plate 21 connected to the corridor wall, a connecting plate 22 vertically connected to the middle of the side end surface of the fixing plate 1, and a guide column 23 connected to one side end of the connecting plate 22.
[0036] In a preferred embodiment, the guide block connected to the first panel 3 includes a connecting shaft 42 connected to the first panel 3, a U-shaped guide wheel frame 45 connected to one end of the connecting shaft 42, two symmetrically arranged guide wheel mounting blocks 43 installed on the upper and lower sides of the U-shaped guide wheel frame 45, and a guide wheel group installed on the guide wheel mounting block 43, wherein each guide wheel mounting block 43 is provided with two symmetrical inclined surfaces, and a guide wheel 44 is arranged on each inclined surface perpendicular to the inclined surface, and the guide column 23 is located in a structure surrounded by four guide wheels 44 and the guide wheel 44 can rotate along the guide column 23, thereby moving.
[0037] In addition, in a preferred embodiment, the connecting shaft 42 is connected to the bearing installed on the first panel, so that the connecting shaft can rotate, thereby allowing the U-shaped guide wheel frame and the guide wheel to rotate, thereby enabling it to adapt to guide rails with different inclinations, expanding the adaptability range, and facilitating installation and debugging.
[0038] It should be noted that the structure of the guide block connected to the second panel is consistent with the above structure and will not be described in detail here.
[0039] It should be noted that the structures not explicitly stated in this application all adopt the known technologies.
[0040] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A linear single-drive wheelchair lift, characterized in that: The invention comprises a driving track (1) and a guide track (2), a first panel (3) and a second panel (4); the driving track (1) and the guide track (2) are arranged in parallel, the guide track (2) is installed on the wall of the corridor, and the driving track (1) is installed on the corridor steps below the guide track (2) through a bottom column (8); the first panel (3) and the second panel (4) are arranged at intervals on the left and right, a loading platform (6) is installed at the lower ends of the front sides of the first panel (3) and the second panel (4), the upper ends of the back sides of the first panel (3) and the second panel (4) are respectively connected to the guide track (2) through a guide block, and the lower end of the back side of the second panel (4) is connected to the driving track through a driving block (7); The driving block (7) comprises a driving mechanism (71) and a driving guide limiting mechanism (72); the driving mechanism (71) comprises a first housing and a driving motor (73), a reducer (74) and a driving wheel (77) installed in the first housing, the driving motor (73) being connected to the driving wheel (77) by transmission via the reducer (74); the driving guide limiting mechanism comprises a left fixing plate and a right fixing plate respectively connected to the lower ends of both sides of the first housing, the left fixing plate being provided with a first guide wheel group, and the right fixing plate being provided with a second guide wheel group symmetrical to the first guide wheel group; The driving track comprises a track frame (11), a driving rack (12) drivingly connected to the driving wheel (77) is arranged on the track frame (11) along the length direction, a first U-shaped groove opening toward the left and a second U-shaped groove opening toward the right are respectively arranged on both sides of the track frame (11), and the first guide wheel group and the second guide wheel group move in the first U-shaped groove and the second U-shaped groove opening toward the right respectively.
2. A linear single-drive wheelchair lift according to claim 1, characterized in that: The first guide wheel group comprises two front and rear first guide units, each of which comprises a longitudinal guide wheel (75) capable of longitudinal rotation and a transverse guide wheel (76) capable of transverse rotation, the wheel axle of the longitudinal guide wheel (75) being connected to the left fixed plate, and the transverse guide wheel (76) being connected to the left fixed plate via a first wheel frame.
3. A linear single-drive wheelchair lift according to claim 1, characterized in that: A rotating armrest (5) is respectively arranged on both sides of the carrying platform (6), and the lower end of the rotating armrest (5) is rotatably connected to the carrying platform (6).
4. A linear single-drive wheelchair lift according to claim 1, characterized in that: The guide track (2) comprises a fixing plate (21) connected to the corridor wall, a connecting plate (22) vertically connected to the middle of the side end surface of the fixing plate (21), and a guide column (23) connected to one side end of the connecting plate (22).
5. A linear single-drive wheelchair lift according to claim 4, characterized in that: The guide block connected to the first panel (3) comprises a connecting shaft (42) connected to the first panel (3), a U-shaped guide wheel frame (41) connected to one end of the connecting shaft (42), two symmetrically arranged guide wheel mounting blocks (43) mounted on the upper and lower sides of the U-shaped guide wheel frame (41), and a guide wheel assembly mounted on the guide wheel mounting blocks (43), wherein each guide wheel mounting block (43) is provided with two symmetrical inclined surfaces, and a guide wheel (44) is arranged on each inclined surface perpendicular to the inclined surface, and the guide column (23) is located in a structure surrounded by the four guide wheels (44), and the guide wheel (44) can rotate along the guide column (23).