Stair climbing carrier

Abstract

The utility model relates to the technical field of carriers, and discloses a stair-climbing carrier which comprises a bottom plate, a rectangular block and a climbing assembly, the rectangular block is hollow on the whole bottom plate, the climbing assembly is arranged on the bottom plate, the climbing assembly is used for driving the bottom plate to climb in a stepped corridor, the climbing assembly comprises a movable block and movable wheels, the movable wheels are symmetrically arranged on the two sides of the bottom plate, and the movable blocks are arranged on the bottom plate. The movable wheels are rotationally connected with the bottom plate, the movable blocks are polygonal, each corner of each movable block is rotationally connected with the corresponding movable wheel, and when climbing in a stepped corridor, the servo motor drives the movable blocks at the two ends to rotate through the output shaft, and the movable blocks can rotate through the angle between the corners of the movable blocks larger than a right angle. When the movable blocks rotate, the movable wheels abut against the stepped corridor, so that climbing is conducted while the bottom plate is driven by manpower to move, the situation that the device can only climb in the gentle corridor, the working environment is expanded is avoided, and a limiting rod is connected with the bottom plate through a fastener by manpower.

Description

Technical Field

[0001] The utility model belongs to the technical field of handling vehicles, and specifically relates to a stair-climbing handling vehicle. Background Art

[0002] At present, the well-known handling vehicle is composed of a tire and a frame connected together. Heavy objects are placed on the handling vehicle and pushed by people to walk. However, this kind of handling vehicle can only walk on a flat road without steps. When it is necessary to carry an electric motor up and down the stairs, it is extremely laborious and dangerous to use an ordinary handling vehicle to go up and down the stairs. Therefore, manual handling is generally still relied on; semi-automatic electric stair-climbing vehicles have emerged on the market.

[0003] After retrieval, a document with the publication number (CN218661917U) discloses a stair-climbing machine for handling an electric motor, including a handling vehicle. On both sides of the rear end of the bottom of the handling vehicle, a rubber wheel and an auxiliary wheel are installed; a driving mechanism for driving the rubber wheel to rotate is fixed to the rear end of the side plate of the handling vehicle.

[0004] The above device drives the handling vehicle to climb the stairs by setting the auxiliary wheel in cooperation with the rubber wheel; at the same time, the electric motor is fixed by using a fixing component.

[0005] The above device only climbs the corridor through the crawler-type auxiliary wheel and is not suitable for climbing the stepped corridor, resulting in that the above device can only climb between gentle corridors, limiting the working environment of the device.

[0006] In view of this, the present utility model is specifically proposed. Content of the Utility Model

[0007] In order to solve the technical problem of climbing the stepped corridor, the basic idea of the technical solution adopted by the present utility model is:

[0008] A stair-climbing handling vehicle includes a bottom plate, the bottom plate is an overall hollow rectangular block; universal wheels, the universal wheels are symmetrically and fixedly connected to one end of the bottom plate; a storage component, the storage component is arranged on the bottom plate and is used for storing the handling object; a climbing component, the climbing component is arranged on the bottom plate and is used for driving the bottom plate to climb the stepped corridor. The climbing component includes a movable block and movable wheels. Movable wheels are symmetrically arranged on both sides of the bottom plate, and the movable wheels are rotatably connected to the bottom plate. The movable block is polygonal, and each corner of the movable block is rotatably connected to a movable wheel.

[0009] As a preferred embodiment of the present utility model, the movable block is overall polygonal, and the angle formed between each corner is greater than a right angle.

[0010] As a preferred embodiment of the present utility model, the climbing component further includes a servo motor and a mounting bracket. The servo motor is connected to the bottom plate through a fastener, and the mounting bracket is fixedly connected to the servo motor.

[0011] As a preferred embodiment of the present utility model, a plurality of grooves are formed on the back surface of the mounting frame, the servo motor is fixedly connected to the grooves, and the output shaft of the servo motor is fixedly connected to the middle of the movable block.

[0012] As a preferred embodiment of the present utility model, the storage assembly includes a placement plate. A plurality of placement plates are arranged on the bottom plate, and the placement plates are movably installed between each other and connected to the bottom plate through fasteners.

[0013] As a preferred embodiment of the present utility model, the storage assembly further includes a limiting rod. The limiting rod is connected to the bottom plate through fasteners, the placement plate is slidably arranged on the limiting rod, and the placement plate is connected to the limiting rod through fasteners. A limiting frame is fixedly connected to the top of the limiting rod.

[0014] As a preferred embodiment of the present utility model, a support frame is arranged on the mounting frame. Bolts are arranged on both sides of the support frame, and the support frame is connected to the mounting frame through bolts. A torsion spring is arranged on the support frame, and a handle is connected to the support frame through the torsion spring.

[0015] As a preferred embodiment of the present utility model, a mounting rod is fixedly connected to the support frame, and a plurality of positioning rods are fixedly connected to the mounting rod. The positioning rods are fixedly connected to the limiting frame.

[0016] The present utility model has the following beneficial effects compared with the prior art:

[0017] 1. For this kind of stair-climbing carrier, when climbing in a stepped corridor, the servo motor drives the movable blocks at both ends to rotate through the output shaft. Since the angle between the edges of the movable block itself is greater than a right angle, the movable block makes the movable wheel abut against the stepped corridor while rotating, so as to climb while the human force drives the bottom plate to move, avoiding that the device can only climb in a flat corridor, expanding the working environment, and connecting the limiting rod to the bottom plate through fasteners by human force.

[0018] 2. For this kind of stair-climbing carrier, at this time, the placement plate is slid up and down in the limiting rod to a suitable position by human force and connected through fasteners. At this time, the object to be carried is placed on the placement plate, and the distance between the placement plates is changed to adapt to different objects to be carried, thereby expanding the storage space of the device.

[0019] The following further describes in detail the specific embodiments of the present utility model with reference to the drawings. Description of the Drawings

[0020] In the drawings:

[0021] Figure 1 is a three-dimensional schematic diagram of the present utility model;

[0022] Figure 2 This is a schematic diagram of the back structure of the present utility model;

[0023] Figure 3 This is a schematic diagram of the structure between the bottom plate and the mounting bracket of the present utility model;

[0024] Figure 4 This is a schematic diagram of the back structure of the mounting bracket of the present utility model;

[0025] Figure 5 This is a schematic diagram of the structure between the placement brackets of the present utility model.

[0026] In the figure: 1. Bottom plate; 11. Placement plate; 12. Limit rod; 13. Limit frame; 2. Support frame; 21. Handle; 3. Mounting rod; 31. Positioning rod; 4. Universal wheel; 5. Movable block; 51. Movable wheel; 52. Servo motor; 53. Mounting bracket. Specific embodiments

[0027] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the following will clearly and completely describe the technical solutions in the embodiments in conjunction with the accompanying drawings in the embodiments of the present utility model. The following embodiments are used to illustrate the present utility model.

[0028] Please refer to Figures 1-5 , a stair-climbing carrier, including a bottom plate 1, the bottom plate 1 is an overall hollow rectangular block; universal wheels 4, the universal wheels 4 are symmetrically and fixedly connected to one end of the bottom plate 1; a storage component, the storage component is arranged on the bottom plate 1, and the storage component is used for storing the carried objects; a climbing component, the climbing component is arranged on the bottom plate 1, and the climbing component is used to drive the bottom plate 1 to climb on a stepped corridor. The climbing component includes a movable block 5 and a movable wheel 51. The movable wheels 51 are symmetrically arranged on both sides of the bottom plate 1, and the movable wheels 51 are rotatably connected to the bottom plate 1. The movable block 5 is polygonal, and each corner of the movable block 5 is rotatably connected to the movable wheel 51. The movable block 5 is overall polygonal, and the angle formed between each corner is greater than a right angle. The climbing component further includes a servo motor 52 and a mounting bracket 53. The servo motor 52 is connected to the bottom plate 1 through a fastener, and the fastener includes but is not limited to bolts. The mounting bracket 53 is fixedly connected to the servo motor 52. Multiple groups of grooves are provided on the back of the mounting bracket (53), and the servo motor 52 is fixedly connected to the grooves. The output shaft of the servo motor 52 is fixedly connected to the middle of the movable block 5.

[0029] Among them, the storage component includes a placement board 11. There are multiple groups of placement boards 11 arranged on the bottom board 1. The placement boards 11 are movably installed and connected to the bottom board 1 through fasteners. The fasteners include but are not limited to bolts. The storage component also includes a limiting rod 12. The limiting rod 12 is connected to the bottom board 1 through fasteners. The fasteners include but are not limited to bolts. The placement board 11 is slidably arranged on the limiting rod 12 and connected to the limiting rod 12 through fasteners. The fasteners include but are not limited to bolts. A limiting frame 13 is fixedly connected to the top of the limiting rod 12. A support frame 2 is arranged on the mounting frame 53. Bolts are arranged on both sides of the support frame 2. The support frame 2 is connected to the mounting frame 53 through bolts. A torsion spring is arranged on the support frame 2. A 21 is connected to the support frame 2 through the torsion spring. An installation rod 3 is fixedly connected to the support frame 2. Multiple positioning rods 31 are fixedly connected to the installation rod 3. The positioning rods 31 are fixedly connected to the limiting frame 13. By manually connecting the limiting rod 12 to the bottom board 1 through fasteners, at this time, manually slide and lift the placement board 11 in the limiting rod 12 to a suitable position and connect it through fasteners. At this time, place the object to be carried on the placement board 11. By changing the distance between the placement boards 11 to adapt to different objects to be carried, the storage space of this device is expanded. At this time, manually pull the handle 21. The handle 21 drives the support frame 2. The support frame 2 drives the bottom board 1 to move accordingly. At this time, at least two movable wheels 51 are in contact with the ground and rotate. At the same time, the universal wheels 4 follow and cooperate to move.

[0030] Working principle: By manually connecting the limiting rod 12 to the bottom board 1 through fasteners, at this time, manually slide and lift the placement board 11 in the limiting rod 12 to a suitable position and connect it through fasteners. At this time, place the object to be carried on the placement board 11. By changing the distance between the placement boards 11 to adapt to different objects to be carried, the storage space of this device is expanded. At this time, manually pull the handle 21. The handle 21 drives the support frame 2. The support frame 2 drives the bottom board 1 to move accordingly. At this time, at least two movable wheels 51 are in contact with the ground and rotate. At the same time, the universal wheels 4 follow and cooperate to move. When climbing in a stepped corridor, the servo motor 52 drives the two end movable blocks 5 to rotate through the output shaft. Since the angle between the edges of the movable block 5 itself is greater than a right angle, when the movable block 5 rotates, the movable wheels 51 are made to contact the stepped corridor, so as to climb while manually driving the bottom board 1 to move, avoiding that the device can only climb in a flat corridor and expanding the working environment.

[0031] It can be understood that the present utility model is described by way of some embodiments. Those skilled in the art will appreciate that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of the present utility model. Additionally, under the teachings of the present utility model, these features and embodiments can be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the present utility model.

Claims

1. A stair climbing transport vehicle, characterized in that: include; A bottom plate (1), the bottom plate (1) is in the form of a hollow rectangular block; A universal wheel (4), the universal wheel (4) being symmetrically fixedly connected to one end of the base plate (1); A storage component, the storage component is arranged on the bottom plate (1), and the storage component is used to store transported objects; A climbing assembly is provided on a base plate (1) and is used to drive the base plate (1) to climb on a stepped corridor. The climbing assembly comprises a movable block (5) and a movable wheel (51). The movable wheels (51) are symmetrically provided on both sides of the base plate (1). The movable wheels (51) are rotatably connected to the base plate (1). The movable block (5) is a polygon, and each corner of the movable block (5) is rotatably connected to the movable wheel (51).

2. The stair climbing transport vehicle according to claim 1, characterized in that: The movable block (5) is in the shape of a polygon as a whole, and the angle formed between each corner is greater than a right angle.

3. The stair climbing transport vehicle according to claim 1, characterized in that: The climbing assembly further comprises a servo motor (52) and a mounting frame (53); the servo motor (52) and the base plate (1) are connected via fasteners, and the mounting frame (53) and the servo motor (52) are fixedly connected.

4. The stair climbing transport vehicle according to claim 3, characterized in that: The back of the mounting frame (53) is provided with a plurality of grooves, the servo motor (52) is fixedly connected to the grooves, and the output shaft of the servo motor (52) is fixedly connected to the middle part of the movable block (5).

5. The stair climbing transport vehicle according to claim 1, characterized in that: The storage assembly comprises a placement plate (11), a plurality of groups of placement plates (11) are arranged on the bottom plate (1), the placement plates (11) are movably mounted between each other, and the placement plates (11) are connected to the bottom plate (1) via fasteners.

6. The stair climbing transport vehicle according to claim 5, characterized in that: The storage assembly further comprises a limiting rod (12), the limiting rod (12) being connected to the bottom plate (1) via a fastener, the placement plate (11) being slidably arranged on the limiting rod (12), the placement plate (11) and the limiting rod (12) being connected via a fastener, and the top of the limiting rod (12) being fixedly connected to a limiting frame (13).

7. The stair climbing transport vehicle according to claim 3, characterized in that: The mounting frame (53) is provided with a support frame (2), bolts are provided on both sides of the support frame (2), the support frame (2) and the mounting frame (53) are connected via the bolts, a torsion spring is provided on the support frame (2), and a handle (21) is connected to the support frame (2) via the torsion spring.

8. The stair climbing transport vehicle according to claim 7, characterized in that: The support frame (2) is fixedly connected with a mounting rod (3), the mounting rod (3) is fixedly connected with a plurality of positioning rods (31), and the positioning rods (31) are fixedly connected with the limiting frame (13).

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