Folding stair-climbing carrier
By designing a folding stair-climbing transport vehicle, which uses hinge connections and motor drive, the vehicle platform can be folded and moved up stairs. This solves the problems of large space occupation and inconvenience for electric vehicle transportation caused by the integral vehicle platform, and improves the convenience and safety of transportation.
Patent Information
- Application Number
- CN202520386901.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2035-03-06
AI Technical Summary
The existing stair-climbing transport vehicle has a one-piece platform, which takes up a lot of space, making it inconvenient to transport using electric vehicles and obstructing visibility.
Design a foldable stair-climbing transport vehicle. The first and second carts are connected by a hinge, making them foldable. Combined with a motor drive and a reduction gearbox, the carts can move on stairs. The position of the push handle can be adjusted to suit different users.
It reduces the space occupied by the stair-climbing transport vehicle, makes it easier to carry by electric vehicle, and improves the convenience and safety of transportation.
Smart Images

Figure CN223835642U_ABST
Abstract
Description
Technical Field
[0001] This utility model is a foldable stair-climbing transport vehicle, belonging to the field of transport vehicles. Background Technology
[0002] A stair-climbing transport vehicle is a device specifically designed for moving heavy objects up stairs. It effectively reduces the burden of manual handling and improves work efficiency and safety. The platform is one of the main components of a stair-climbing transport vehicle. Currently, the platform of stair-climbing transport vehicles is a one-piece design. This one-piece platform takes up a lot of space, and when using an electric scooter to carry the stair-climbing transport vehicle, the platform may obstruct the rider's view. In other words, the one-piece stair-climbing transport vehicle is inconvenient to transport using an electric scooter. Therefore, a foldable stair-climbing transport vehicle needs to be designed. Utility Model Content
[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a foldable stair-climbing transport vehicle to solve the problems mentioned in the background technology. This utility model makes the vehicle platform of the stair-climbing transport vehicle foldable, reducing the space occupied by the stair-climbing transport vehicle during transportation, and making it convenient to be carried by electric vehicle.
[0004] To achieve the above objectives, this utility model is implemented through the following technical solution: a folding stair-climbing transport vehicle, comprising a first platform, a driving component installed at the bottom of the first platform, a baffle plate installed at one end of the first platform, the baffle plate being arranged perpendicularly to the first platform, a second platform being hinged to the end of the first platform away from the baffle plate via multiple hinges, a push handle being installed on the lower surface of the second platform away from the first platform via an adjusting component, the push handle being a U-shaped structure, and steel plates being installed on two parallel sides of the first platform, the ends of the steel plates away from the first platform being connected to the second platform via multiple second bolts.
[0005] Furthermore, one end of the steel plate has a plurality of first small holes, and a first bolt that is threadedly connected to the first vehicle plate is inserted into the first small hole. The other end of the steel plate away from the first small hole has a plurality of second small holes, and the second bolt passes through the second small hole and is threadedly connected to the second vehicle plate.
[0006] Furthermore, the driving component includes a motor, with the motor mounted on the bottom of the first vehicle plate. A reduction gearbox is provided on one side of the motor and is installed on the bottom of the first vehicle plate. The output shaft of the motor is connected to the input end of the reduction gearbox. A shaft that engages with the gear inside the reduction gearbox passes through the reduction gearbox. Wheels are mounted on both ends of the shaft via bearings. Drive arms are provided on both sides of the reduction gearbox along the length of the shaft. The drive arms are sleeved on the shaft and connected and fixed to the shaft. The drive arms have an S-shaped structure, and small wheels are rotatably mounted on both ends of the drive arms.
[0007] Furthermore, two booms are provided between the two drive arms. The lower end of the boom is rotatably connected to the shaft via a bearing, and the upper end of the boom is fixedly connected to the first vehicle plate.
[0008] Furthermore, support plates are rotatably mounted on both ends of the axle, and the support plates are located on the side of the axle closer to the wheel. The upper end of the support plate is connected and fixed to the first vehicle plate.
[0009] Furthermore, the adjusting component includes a convex plate. A convex plate is installed on the lower surface of the second vehicle plate away from the first vehicle plate. Two through holes are opened on one side of the convex plate. The two ends of the push handle pass through the two through holes respectively. Two screw holes communicating with the through holes are opened on the lower surface of the convex plate. Positioning screws for limiting the relative position of the convex plate and the push handle are internally threaded in the screw holes.
[0010] Furthermore, grip handles are installed at both ends of the convex plate, and the grip handles are arranged perpendicular to the convex plate.
[0011] The beneficial effects of this utility model are:
[0012] 1. Install a battery inside the first carriage, connect the circuit between the battery and the motor, and the motor drives the swing arm to rotate around the shaft. The small wheels at both ends of the drive arm alternately engage with the steps of the stairs, thus facilitating the movement of the structure formed by the first carriage, the second carriage, and other components on the stairs.
[0013] 2. The first and second car panels are hinged together using hinges. After separating the steel plate from the second car panel, the first and second car panels are folded, thereby reducing the transportation space occupied by the first and second car panels. This makes the car panels in the stair-climbing transport vehicle foldable, reducing the space occupied by the stair-climbing transport vehicle and making it easier to carry using a battery-powered vehicle.
[0014] 3. Adjust the position of the push handle along the through hole. Once the relative position of the push handle and the second plate meets the requirements, use the positioning screw to limit the relative position of the push handle and the convex plate. This allows the position of the push handle to be adjusted as needed to meet the needs of different personnel. Attached Figure Description
[0015] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:
[0016] Figure 1 This is a schematic diagram of the structure of a folding stair-climbing transport vehicle according to the present invention;
[0017] Figure 2 This is an assembly diagram of the gearbox, motor, second platform, and first platform in a folding stair-climbing transport vehicle of this utility model;
[0018] Figure 3 This is a schematic diagram of the assembly of the positioning screw and the protruding plate in a folding stair-climbing transport vehicle of this utility model;
[0019] In the diagram: 1-First vehicle plate, 2-Block plate, 3-Support plate, 4-Wheel, 5-Steel plate, 6-First bolt, 7-Second bolt, 8-Grip handle, 9-Protruding plate, 10-Push handle, 11-Second vehicle plate, 12-Hinge, 13-Hanging rod, 14-Small wheel, 15-Drive arm, 16-Shaft, 17-Reduction gearbox, 18-Motor, 19-Through hole, 20-Positioning screw, 21-Screw hole. Detailed Implementation
[0020] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0021] Please see Figure 1 and Figure 3 This utility model provides a technical solution: a folding stair-climbing transport vehicle, including a first platform 1, with a baffle 2 installed at one end of the first platform 1, the baffle 2 being arranged perpendicularly to the first platform 1. A second platform 11 is hinged to the end of the first platform 1 away from the baffle 2 via multiple hinges 12. A push handle 10 is installed on the lower surface of the second platform 11 away from the first platform 1, the push handle 10 having a U-shaped structure. A protruding plate 9 is installed on the lower surface of the second platform 11 away from the first platform 1, with two through holes 19 on one side of the protruding plate 9, through which the two ends of the push handle 10 pass respectively. Two through holes 19 are provided. Two screw holes 21 communicating with the through holes 19 are provided on the lower surface of the convex plate 9. The screw holes 21 are internally threaded with positioning screws 20 for limiting the relative position of the convex plate 9 and the push handle 10. Both ends of the convex plate 9 are equipped with grip handles 8, which are arranged perpendicular to the convex plate 9. The position of the push handle 10 is adjusted along the through holes 19. When the relative position of the push handle 10 and the second car plate 11 meets the requirements, the positioning screws 20 are used to limit the relative position of the push handle 10 and the convex plate 9, so that the position of the push handle 10 can be adjusted as needed to meet the needs of different people.
[0022] See Figure 1 and Figure 2Steel plates 5 are installed on two parallel sides of the first platform 1. The end of the steel plate 5 away from the first platform 1 is connected to the second platform 11 by multiple second bolts 7. Multiple first holes are opened at one end of the steel plate 5, and first bolts 6 that are threaded to the first platform 1 are inserted into the first holes. Multiple second holes are opened at the end of the steel plate 5 away from the first holes, and second bolts 7 pass through the second holes and are threaded to the second platform 11. The first platform 1 and the second platform 11 are hinged together by a hinge 12. After the steel plate 5 is separated from the second platform 11, the first platform 1 and the second platform 11 are in a folded state, thereby reducing the transportation space occupied by the first platform 1 and the second platform 11. This makes the platform of the stair-climbing transport vehicle foldable, reduces the space occupied by the stair-climbing transport vehicle, and facilitates carrying by a battery-powered vehicle.
[0023] See Figure 1 and Figure 2 A motor 18 is installed at the bottom of the first vehicle platform 1. A reduction gearbox 17 is provided on one side of the motor 18. The reduction gearbox 17 is installed at the bottom of the first vehicle platform 1. The output shaft of the motor 18 is connected to the input end of the reduction gearbox 17. A shaft 16 that engages with the gear inside the reduction gearbox 17 passes through the reduction gearbox 17. Wheels 4 are installed at both ends of the shaft 16 via bearings. Drive arms 15 are provided on both sides of the reduction gearbox 17 along the length of the shaft 16. The drive arms 15 are sleeved on the shaft 16 and connected and fixed to the shaft 16. The drive arms 15 have an S-shaped structure. Small wheels 14 are rotatably installed at both ends of the drive arms 15. Two suspension rods 13 are provided between the two drive arms 15. The lower end of the suspension rod 13 is rotatably connected to the shaft 16 via a bearing, and the upper end of the suspension rod 13 is fixedly connected to the first carriage 1. Both ends of the shaft 16 are rotatably mounted with support plates 3. The support plates 3 are located on the side of the shaft 16 near the wheel 4, and the upper end of the support plates 3 is fixedly connected to the first carriage 1. The support plates 3 and the suspension rod 13 cooperate with each other to improve the stability of the structure. A battery is installed in the first carriage 1, and the circuit between the battery and the motor 18 is connected. The motor 18 drives the swing arm to rotate around the shaft 16. The small wheels 14 at both ends of the drive arm 15 alternately engage with the steps of the stairs, thereby facilitating the movement of the structure formed by the first carriage 1, the second carriage 11, and other components on the stairs.
[0024] Although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A folding stair-climbing transport vehicle, comprising a first platform (1), characterized in that: A drive unit is installed at the bottom of the first vehicle plate (1). A baffle plate (2) is installed at one end of the first vehicle plate (1). The baffle plate (2) is arranged perpendicular to the first vehicle plate (1). The end of the first vehicle plate (1) away from the baffle plate (2) is hinged to a second vehicle plate (11) through multiple hinges (12). A push handle (10) is installed on the side of the lower surface of the second vehicle plate (11) away from the first vehicle plate (1) through an adjustment component. The push handle (10) has a U-shaped structure. Steel plates (5) are installed on the two parallel sides of the first vehicle plate (1). The end of the steel plate (5) away from the first vehicle plate (1) is connected to the second vehicle plate (11) through multiple second bolts (7).
2. The folding stair-climbing transport vehicle according to claim 1, characterized in that: The steel plate (5) has multiple first small holes at one end, and a first bolt (6) that is threadedly connected to the first vehicle plate (1) is inserted in the first small hole. The steel plate (5) has multiple second small holes at the end away from the first small hole, and the second bolt (7) passes through the second small hole and is threadedly connected to the second vehicle plate (11).
3. The folding stair-climbing transport vehicle according to claim 1, characterized in that: The driving component includes a motor (18). The motor (18) is installed at the bottom of the first vehicle plate (1). A reduction gearbox (17) is provided on one side of the motor (18). The reduction gearbox (17) is installed at the bottom of the first vehicle plate (1). The output shaft of the motor (18) is connected to the input end of the reduction gearbox (17). A shaft (16) that is in contact with the gear inside the reduction gearbox (17) passes through the reduction gearbox (17). Wheels (4) are installed at both ends of the shaft (16) through bearings. Drive arms (15) are provided on both sides of the reduction gearbox (17) along the length direction of the shaft (16). The drive arms (15) are sleeved on the shaft (16) and connected and fixed to the shaft (16). The drive arms (15) have an S-shaped structure. Small wheels (14) are rotatably installed at both ends of the drive arms (15).
4. A folding stair-climbing transport vehicle according to claim 3, characterized in that: Two booms (13) are provided between the two drive arms (15). The lower end of the boom (13) is rotatably connected to the shaft (16) through a bearing, and the upper end of the boom (13) is fixedly connected to the first vehicle plate (1).
5. A folding stair-climbing transport vehicle according to claim 3, characterized in that: Both ends of the shaft (16) are rotatably mounted with support plates (3). The support plates (3) are located on the side of the shaft (16) near the wheel (4). The upper end of the support plates (3) is connected and fixed to the first vehicle plate (1).
6. A folding stair-climbing transport vehicle according to claim 1, characterized in that: The adjusting component includes a convex plate (9). The convex plate (9) is installed on the side of the lower surface of the second vehicle plate (11) away from the first vehicle plate (1). Two through holes (19) are opened on one side of the convex plate (9). The two ends of the push handle (10) pass through the two through holes (19) respectively. Two screw holes (21) communicating with the through holes (19) are opened on the lower surface of the convex plate (9). The screw holes (21) are internally threaded with positioning screws (20) for limiting the relative position of the convex plate (9) and the push handle (10).
7. A folding stair-climbing transport vehicle according to claim 6, characterized in that: Both ends of the convex plate (9) are equipped with grip handles (8), which are arranged perpendicular to the convex plate (9).