A four-wheel diamond-shaped support base

Abstract

The utility model relates to a four-wheeled diamond support base, including a load-bearing plate, a double-sided support assembly is arranged on the top of the load-bearing plate, a forward and backward drive assembly is arranged on the top of the load-bearing plate, the double-sided support assembly includes two universal wheels fixedly mounted on the top of the load-bearing plate, and the forward and backward drive assembly includes two connecting plates fixedly mounted on the top of the load-bearing plate, the tops of the two connecting plates are both rotatably mounted with wheel frames, and the right sides of the two wheel frames are both fixedly mounted with DC motors. The four-wheeled diamond support base supports the load-bearing plate to move on the ground through two rollers and two universal wheels. When any one of the rollers passes through a pothole area during movement, the remaining one roller and the two universal wheels can provide stable support for the load-bearing plate. At the same time, the roller in contact with the ground is driven by the DC motor to generate power to push the device to continue moving forward. In summary, the device achieves a good passability effect.

Description

Technical Field

[0001] The utility model relates to the technical field of transportation tools, in particular to a four-wheel diamond-shaped supporting base. Background Art

[0002] With the development of economy and the progress of society, people are using more and more wheeled vehicles.

[0003] Looking at all wheeled transportation vehicles supported by four wheels, they all have the dilemma of difficulty in passing through "gullies" smoothly. Take a trolley as an example. When carrying heavy objects through an elevator, the wheels will sink and get stuck on the elevator compartment and the edge of the corridor; take a skateboard as an example. When a person stands on it and rolls or slides through a gully, the scooter will sink and cannot move forward. Therefore, a four-wheel diamond support base is proposed to solve the above problem. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a four-wheel diamond-shaped support base, which has the advantage of good passability.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a four-wheel diamond-shaped support base, comprising a load-bearing plate, a double-sided support assembly is arranged on the top of the load-bearing plate, and an advance and retreat drive assembly is arranged on the top of the load-bearing plate.

[0006] The double-sided support assembly includes two universal wheels fixedly mounted on the top of the load-bearing plate.

[0007] The forward and backward driving assembly includes two connecting plates fixedly installed on the top of the load-bearing plate, the top of the two connecting plates are rotatably installed with wheel frames, the right sides of the two wheel frames are fixedly installed with DC motors, the output ends of the two DC motors are fixedly installed with transmission shafts, and the outsides of the two transmission shafts are fixedly installed with rollers.

[0008] Furthermore, the two universal wheels are respectively located at one end close to the front and rear sides of the load-bearing plate, and the two universal wheels are both located on the transverse symmetry axis of the load-bearing plate.

[0009] Furthermore, the two connecting plates are respectively located at one end close to the left and right sides of the load-bearing plate, and the two connecting plates are both located on the radial symmetry axis of the load-bearing plate.

[0010] Furthermore, the two connecting plates and the universal wheel are fixedly connected to the load-bearing plate by bolts.

[0011] Furthermore, the output ends of the two DC motors are both facing backwards, and the two transmission shafts are rotatably installed inside the two wheel frames respectively.

[0012] Furthermore, the two rollers are respectively located inside the two wheel frames, the tops of the two rollers and the two universal wheels are all on the same horizontal plane, and the two rollers and the universal wheels are distributed in a diamond shape on the top of the load-bearing plate.

[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0014] The four-wheel diamond-shaped support base supports the load-bearing plate to move on the ground through two rollers and two universal wheels. When any roller passes through a pothole area during movement, the remaining roller and the two universal wheels can provide stable support for the load-bearing plate. At the same time, the roller in contact with the ground is driven by a DC motor to generate power to push the device to continue moving forward. In summary, the device achieves a good passability effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the back of the structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the connection between the transmission shaft and the wheel frame structure of the utility model.

[0018] In the figure: 1. load-bearing plate; 2. universal wheel; 3. connecting plate; 4. wheel frame; 5. DC motor; 6. transmission shaft; 7. roller. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-3 A four-wheel diamond-shaped support base in this embodiment includes a load-bearing plate 1, which is characterized in that a double-sided support component is arranged on the top of the load-bearing plate 1, and a forward and backward driving component is arranged on the top of the load-bearing plate 1.

[0021] The double-sided support assembly includes two universal wheels 2 fixedly installed on the top of the load-bearing plate 1. The two universal wheels 2 are respectively located at one end close to the front and rear sides of the load-bearing plate 1. The two universal wheels 2 are both located on the transverse symmetry axis of the load-bearing plate 1. The two installed universal wheels 2 support the sliding of both sides of the load-bearing plate 1. The functions of the two universal wheels 2 include but are not limited to providing support, and can also provide steering function and driving function, etc.

[0022] The forward and backward driving assembly includes two connecting plates 3 fixedly installed on the top of the load-bearing plate 1. The two connecting plates 3 are respectively located at one end close to the left and right sides of the load-bearing plate 1. The two connecting plates 3 are both located on the radial symmetry axis of the load-bearing plate 1. The two connecting plates 3 and the universal wheel 2 are fixedly connected to the load-bearing plate 1 by bolts. The connection relationship between the connecting plates 3 and the universal wheel 2 and the load-bearing plate 1 includes but is not limited to detachable methods such as threaded kit connection, screw connection, etc., and non-detachable methods such as welding, riveting, etc.

[0023] Wheel frames 4 are rotatably installed on the tops of the two connecting plates 3, DC motors 5 are fixedly installed on the right sides of the two wheel frames 4, the output ends of the two DC motors 5 are facing backwards, and transmission shafts 6 are fixedly installed on the output ends of the two DC motors 5. The two transmission shafts 6 are rotatably installed inside the two wheel frames 4 respectively, and rollers 7 are fixedly installed outside the two transmission shafts 6. The two rollers 7 are respectively located inside the two wheel frames 4, and the tops of the two rollers 7 and the two universal wheels 2 are on the same horizontal plane. The two rollers 7 and the universal wheels 2 are distributed in a diamond shape on the top of the load-bearing plate 1. The load-bearing plate 1 is supported to move on the ground by the two rollers 7 and the two universal wheels 2. When any roller 7 passes through a pothole area during movement, the remaining roller 7 and the two universal wheels 2 can provide stable support for the load-bearing plate 1, and the roller 7 in contact with the ground is driven by the DC motor 5 to generate power to push the device to move forward.

[0024] It should be noted that the use scenarios of this support base include but are not limited to passenger cars, carts, flatbed carts, baby carriages and skateboards. Two support points are arranged in front and behind the longitudinal center line and on the left and right of the transverse center line according to the forward direction, forming a diamond arrangement.

[0025] The working principle of the above embodiment is:

[0026] When in use, the two rollers 7 and the two universal wheels 2 support the load-bearing plate 1 to move on the ground. When moving, the two DC motors 5 respectively drive the two rollers 7 to rotate and drive the device to move on the ground. When any roller 7 passes through a pothole area during movement, the remaining roller 7 and the two universal wheels 2 can provide stable support for the load-bearing plate 1. At this time, the roller 7 in contact with the ground is driven by the DC motor 5 to generate power to push the device to continue moving forward.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A four-wheel diamond-shaped support base, comprising a load-bearing plate (1), characterized in that: The top of the load-bearing plate (1) is provided with a double-sided support assembly, and the top of the load-bearing plate (1) is provided with an advance and retreat drive assembly; The double-sided support assembly comprises two universal wheels (2) fixedly mounted on the top of the load-bearing plate (1); The forward and backward driving assembly comprises two connecting plates (3) fixedly mounted on the top of the load-bearing plate (1), a wheel frame (4) being rotatably mounted on the top of the two connecting plates (3), a DC motor (5) being fixedly mounted on the right side of the two wheel frames (4), a transmission shaft (6) being fixedly mounted on the output ends of the two DC motors (5), and a roller (7) being fixedly mounted on the outside of the two transmission shafts (6).

2. A four-wheel diamond-shaped support base according to claim 1, characterized in that: The two universal wheels (2) are respectively located at one end close to the front and rear sides of the load-bearing plate (1), and the two universal wheels (2) are both located on the transverse symmetry axis of the load-bearing plate (1).

3. The four-wheel diamond-shaped support base according to claim 1, characterized in that: The two connecting plates (3) are respectively located at one end close to the left and right sides of the load-bearing plate (1), and the two connecting plates (3) are both located on the radial symmetry axis of the load-bearing plate (1).

4. The four-wheel diamond-shaped support base according to claim 1, characterized in that: The two connecting plates (3) and the universal wheel (2) are fixedly connected to the load-bearing plate (1) by means of bolts.

5. The four-wheel diamond-shaped support base according to claim 1, characterized in that: The output ends of the two DC motors (5) are both facing backwards, and the two transmission shafts (6) are rotatably mounted inside the two wheel frames (4) respectively.

6. The four-wheel diamond-shaped support base according to claim 1, characterized in that: The two rollers (7) are respectively located inside the two wheel frames (4); the tops of the two rollers (7) and the two universal wheels (2) are all on the same horizontal plane; the two rollers (7) and the universal wheels (2) are distributed in a rhombus shape on the top of the load-bearing plate (1).

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