CN219192450U

CN219192450U - Balance car and supporting framework thereof

Info

Publication number: CN219192450U
Application number: CN202223370999.8U
Authority: CN
Inventors: 刘森; 傅丹; 胡新涛; 周宏图
Original assignee: Zhejiang Qike Robot Technology Co ltd
Current assignee: Zhejiang Qike Robot Technology Co ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-06-16
Anticipated expiration: 2032-12-15

Abstract

A balance car supporting framework comprises a first structural part, a second structural part and a pedal part, wherein the second structural part is fixedly connected to the first structural part, and a plurality of first structural parts and second structural parts jointly form a central supporting part; the second structure part and the extension part are enclosed together to form a wheel mounting area; the extending part is used for installing the pedal part; the first structure part is fixedly connected with a stand column supporting part, and a stand column is fixed on the stand column supporting part; the second structure part is provided with a convex part obliquely upwards; the stand passes through support column and second structural part fixed connection, has set up the extension, can extend the central support portion to the wheel hub outside, installs pedal portion at the extension, with the pressure transmission of pedal portion to central support portion, improves pedal portion's bearing capacity, sets up ascending bellying and support column and forms triangle-shaped atress structure, can bear bigger pressure.

Description

Balance car and supporting framework thereof

Technical Field

The application relates to the field of balance cars, in particular to a balance car supporting framework.

Background

The self-balancing electric vehicle (self-balancing vehicle), which is simply called a balance vehicle, is well known to those skilled in the art in the balance principle and straight control (including forward and backward), and comprises two turning control modes of no-rod and rod, wherein the existing rod balance vehicle is generally provided with two types, one type is that a pedal is arranged on the inner sides of two hubs, the distance between two feet of the pedal is relatively short, standing and riding are convenient, and the feet are limited by the hubs on the two sides, so that the ground cannot be conveniently supported; the other is that the pedal is arranged at two sides of the outer part of the hub, the pedal is fixed on the shaft of the hub motor, a double-shaft hub motor is needed, the cost is high, and the pressure of the pedal directly acts on the wheel shaft to generate larger local pressure on the wheel shaft, so that the wheel shaft is bent, and the stability is poor; meanwhile, in the prior art, the metal welded supporting framework has some defects, as shown in fig. 1, a marked metal pipe A in the drawing is directly welded above a base, and is vertically welded, a larger vertical load exists at the connection part of the metal pipe A and the base, and the welded part of the base is easy to bend, so that the vehicle is deformed, and therefore, the welding structure is necessary to be changed, and the bearing capacity of the vehicle is improved.

Disclosure of Invention

In order to solve the technical problem, the purpose of the application is to provide a balance car with simple and reliable structure and strong bearing capacity. The application provides the following technical scheme:

a balance car supporting framework comprises a first structural part, a second structural part and a pedal part, wherein the second structural part is fixedly connected to the first structural part, and a plurality of first structural parts and second structural parts jointly form a central supporting part; the second structure part and the extension part are enclosed together to form a wheel mounting area; the extending part is used for installing the pedal part; the first structure part is fixedly connected with a stand column supporting part, and a stand column is fixed on the stand column supporting part; the second structure part is provided with a convex part obliquely upwards; the upright post is fixedly connected with the second structure part through a support column.

Optionally, the extension portion is fixedly connected with the first structural portion or the second structural portion and/or integrally formed.

Optionally, the pedal portion may be detachable.

Optionally, the device further comprises a first support and a second support fixedly connected to the front and rear of the central support.

Optionally, the second structure portion is fixedly connected with a mounting plate, and a plurality of mounting holes are formed in the mounting plate.

Optionally, the pedal part is symmetrically arranged at the left front and the right front of the extension part.

Optionally, the extension portion includes a first connection portion and a second connection portion fixedly connected to the first connection portion.

Optionally, the first connecting portion extends outward from the first structural portion, and the second connecting portion is fixedly connected to the rear of the first connecting portion and the center supporting portion.

Optionally, the bicycle further comprises a third connecting part, wherein the third connecting part is detachably connected with the second connecting part and/or the first connecting part, and the third connecting part and the first connecting part are enclosed together to form a pedal part.

Also discloses a balance car, which comprises the balance car supporting framework.

Through setting up the extension, can extend the central supporting part to the wheel hub outside, install the pedal portion at the extension, transmit the pressure of pedal portion to the central supporting part, improve the bearing capacity of pedal portion and balance the whole atress of balance car, simultaneously, the extension can wrap up wheel hub is whole, forms the protection, avoids wheel hub to receive the damage; the inclined upward protruding part and the supporting column form a triangular stress structure, so that the pressure can be borne.

Drawings

FIG. 1 is a schematic diagram of the background art of the present application;

FIG. 2 is a perspective view of example 1 of the present application;

FIG. 3 is a top view of example 1 of the present application;

FIG. 4 is a front view of example 1 of the present application;

FIG. 5 is a perspective view of example 2 of the present application;

in the drawings, reference numerals are: 1-first structure part, 2-second structure part, 21-protruding part, 3-pedal part, 4-extension, 5-stand, 6-support column, 7-first support piece, 8-second support piece, 41-first connecting part, 42-second connecting part, 43-third connecting part, 51-stand support part.

Detailed Description

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended for the purpose of explaining the present application and are not to be construed as limiting the application.

In this application, the terms "mounted," "connected," "fixedly connected," "retained," and the like are to be construed broadly, unless explicitly stated and limited otherwise. For example, the fixed connection may be a detachable connection, or an integral connection, including an integral molding; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be connected inside two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

For convenience of description, the direction of the straight running of the balance car in fig. 1 is the front-rear direction, the direction of the pedal part is the front of the car, the horizontal direction perpendicular to the straight running direction of the balance car is the left-right direction, and the vertical direction perpendicular to the straight running direction of the balance car is the up-down direction.

Example 1

As shown in fig. 2-3, a balance car supporting framework comprises a first structural part 1, a second structural part 2 and a pedal part 3, wherein the second structural part 2 is fixedly connected to the first structural part 1, and a plurality of first structural parts 1 and second structural parts 2 jointly form a central supporting part; the second structural part 2 and the extension part 4 jointly enclose to form a wheel mounting area; in this embodiment, the two first structural parts 1 and the two second structural parts 2 are metal pipe fittings, a rectangular frame is formed as a central supporting part through welding and fixing, the extending part 4 is formed by fixing the metal pipe fittings on the central supporting part through welding and enclosing a closed wheel mounting area together with the second structural parts 2, and after the wheel is mounted on the central supporting part, the extending part 4 encloses the wheel; the extending portion 4 is used for installing the pedal portion 3, in this embodiment, the pedal portion 3 is a metal plate structure or a frame structure formed by fixing metal rods, and is fixed on the extending portion 4 by means of fasteners or the like, and the pedal portion 3 is provided with pedal skins; the extension part 4 can enlarge the stress area of the central supporting part, transfer the pressure of the pedal to the whole central supporting part, avoid directly installing the pedal on the wheel shaft, and simultaneously fully disperse the pressure of the pedal and the person on the whole central supporting part, so that the stress is more balanced; the extension 4 allows the vehicle to use an in-wheel motor with only a single side shaft, which is more cost-effective; in other embodiments, the central supporting portion may be a polygon with other shapes, or may be an integral plate-shaped or block-shaped body, and then the first structural portion and the second structural portion are adjacent sides of the plate-shaped or block-shaped body respectively; in other embodiments, the first and second

structural parts

1 and 2 may be rod members of other shapes; in other embodiments, the wheel mounting area formed by the extension 4 encircling the second structure 2 may not be closed; in other embodiments, the first structural part 1, the second structural part 2, the pedal part 3 and the extension part 4 can be formed by other modes such as fastening, bonding, inserting, integral forming and the like; in other embodiments, the second structure portion 2 may be one.

The first structural part 1 is fixedly connected with a stand column supporting part 51, and a stand column 5 is fixed on the stand column supporting part; the second structural part 2 is provided with a convex part 21 obliquely upwards; the upright post 5 is fixedly connected with the second structural part 2 through a support column 6; in the embodiment, the left and right second structure parts are arranged, the two second structure parts 2 are bent upwards and incline towards the left and right symmetrical axes of the supporting framework to form the convex parts 21, so that a larger installation space can be formed below the central supporting part for installing other electronic components, and a protective effect can be formed on the electronic components; the two second structure parts 2 and the first structure part 1 are matched with the supporting columns 6 to form a triangular structure, so that the stress is more stable, and meanwhile, the longitudinal load born by the connection point of the first structure part 1 and the second structure part 2 is reduced, and the bearing capacity of the supporting framework is improved; the second structure portion 2 is inclined inward, and the wheel mounting area is increased, so that a larger-sized and wider tire can be mounted. The first structural part 1 is fixedly connected with a stand column support column 51, and a stand column 5 is fixedly arranged on the stand column support part; in this embodiment, two upright post support columns are fixedly connected to the first structural part 1 at the rear side of the central support part, and form a triangle structure with the first structural part 1, and the upright post 5 is fixed at the top of the triangle structure by welding; one end of the second structural part 5 is fixed to the column support part 51; by arranging the upright post supporting part 51, the stress structure can be optimized, the bearing capacity of the central supporting part is improved, meanwhile, the space in the central supporting part is enlarged by the upright post supporting part 51, and more parts can be installed; in other embodiments, the upright 5 may be secured to the first structural portion 1 by other means.

The upright post 5 is fixedly connected with the second structural part 2 through a support column 6; in this embodiment, the two support columns 6 are used to support the second structure portion 2 through the connecting columns 5.

The extension part 4 is fixedly connected with the first structure part 1 or the second structure part 2 and/or integrally formed; in this embodiment, the extension part 4 is an integrally bent metal pipe, and is welded and fixed on the front and rear two first structural parts 1 to form a surrounding area of the second structural part 2 and the extension part 4, so as to be used for installing a wheel, and form a protection frame around the wheel, so that a protection effect can be formed on the wheel; in other embodiments, the extension 4 may be fixedly connected to the second structural part 2; in other embodiments, the extension 4 may be integrally formed with the first structural portion 1; in other embodiments, the extension 4 may be integrally formed with the second structural portion 2.

As an alternative embodiment, the pedal can be detached; the detachable pedal part is more convenient to replace and maintain.

The device also comprises a first supporting piece 7 and a second supporting piece 8 which are fixedly connected to the front part and the rear part of the central supporting part; in the present embodiment, the first supporting member 7 and the second supporting member 8 are respectively fixed on the first structural part 1 in front of the central supporting part and the first contour member 1 behind the central supporting part, and the first supporting member 1 and the second supporting member 2 are horizontally arranged and used for supporting the vehicle when the vehicle is parked, so that the shell of the vehicle is prevented from colliding with the ground; in other embodiments, the first supporting piece 7 and the second supporting piece 8 can be fixed at other positions of the central supporting part, and the first supporting piece 7 and the second supporting piece 8 which are horizontally placed can not touch the ground when the balance car ascends a slope, so that the trafficability is improved; in other embodiments, the first supporting member 7 and the second supporting member 8 may be bent downward to increase the supporting height.

A mounting plate 9 is fixedly connected to the second structural part 2, and a plurality of mounting holes are formed in the mounting plate 9; in this embodiment, the mounting plate 9 is fixedly connected between the left and right second structural parts 2, and a plurality of mounting holes are provided in the mounting plate 9 for mounting and fixing other components.

The pedal part 3 is symmetrically arranged at the left front and the right front of the extension part 4; in this embodiment, the pedal portion 3 may be a support frame formed by welding a plurality of tubes, or may be a plate, and the pedal portion 3 is provided with a pedal skin disposed at the left front of the first structure portion of the left extending portion 4 and the right front of the right extending portion 4, so as to improve sitting experience of a user; in other embodiments, the footrest section 3 may be mounted in the middle or elsewhere in the extension section 4.

As shown in fig. 4, the extension part 4 includes a first connection part 41 and a second connection part 42 fixedly connected to the first connection part 41; in the present embodiment, the extension portion 4 is fixedly connected by the first connection portion 41 and the second connection portion 42 to form a support frame.

The first connecting part 41 extends outwards from the first structural part 1, and the second connecting part 42 is fixedly connected to the middle part of the first connecting part 41 and the rear part of the central supporting part; in the present embodiment, the first connecting portion 41 is integrally formed with the first structural portion 1 in front of the center support portion, and extends in the left-right direction from the first structural portion 1 in front, and the second connecting portion 42 extends from the first structural portion 1 in rear of the center support portion and is connected to an end portion of the first connecting portion 41; in other embodiments, the first connecting portion 41 and the second connecting portion 42 may be fixed to the second structural portion 2.

The bicycle further comprises a third connecting part 43, wherein the third connecting part 43 is detachably connected with the second connecting part 42 and the first connecting part 41, and the third connecting part and the first connecting part 41 are jointly enclosed to form a pedal part 3; in this embodiment, one end of the third connecting portion 43 is inserted into the first connecting portion 41 and fixed by a fastener, and the other end is fastened and fixed on the second connecting portion by the fastener, and fixed by the fastener, so that the pedal portion can be more conveniently maintained and replaced, and the third connecting portion can be detached during packaging, so that packaging cost is saved; the structure of the whole balance car supporting framework is simpler and more reliable, the process is simple, the cost is low, the framework is less in bending, and the processing and the installation are more convenient.

Example 2

As shown in fig. 5, a balance car includes the balance car support frame of embodiment 1.

Although embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives, and variations may be made to the embodiments by those of ordinary skill in the art without departing from the principles and spirit of the application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. The balance car supporting framework comprises a first structural part (1), a second structural part (2) and a pedal part (3), wherein the second structural part (2) is fixedly connected to the first structural part (1), and a plurality of first structural parts (1) and the second structural parts (2) form a central supporting part together; it is characterized in that the method comprises the steps of,

the vehicle wheel comprises a vehicle wheel body, a first structural part (2) and a second structural part (4), and also comprises an extension part (4), wherein the second structural part and the extension part (4) jointly enclose to form a vehicle wheel mounting area;

the extension part (4) is used for installing the pedal part (3); the first structure part (1) is fixedly connected with a stand column supporting part (51), and a stand column (5) is fixed on the stand column supporting part; the second structure part (2) is provided with a bulge part (21) which is inclined upwards;

the upright post (5) is fixedly connected with the second structure part (2) through a support post (6).

2. Balance car support frame according to claim 1, characterized in that the extension (4) is fixedly connected and/or integrally formed with the first structural part (1) or the second structural part (2).

3. Balance car support frame according to claim 1, characterized in that the foot rest (3) is detachable.

4. Balance car support frame according to claim 1, characterized in that it further comprises a first support (7) and a second support (8) fixedly connected to the front and rear of the central support.

5. The balance car supporting framework according to claim 1, characterized in that the second structure part (2) is fixedly connected with a mounting plate (9), and a plurality of mounting holes are formed in the mounting plate (9).

6. Balance car support frame according to claim 1, characterized in that the footrests (3) are symmetrically arranged in front left and front right of the extension (4).

7. Balance car support frame according to claim 1, characterized in that the extension (4) comprises a first connection portion (41) and a second connection portion (42) fixedly connected to the first connection portion (41).

8. The balance car supporting framework according to claim 7, characterized in that the first connecting portion (41) extends outwards from the first structural portion (1), and the second connecting portion (42) is fixedly connected to the rear of the first connecting portion (41) and the center supporting portion.

9. Balance car support frame according to claim 8, characterized in that it further comprises a third connecting portion (43), wherein the third connecting portion (43) is detachably connected to the second connecting portion (42) and/or the first connecting portion (41), and jointly encloses the pedal portion (3).

10. A balance car comprising the balance car support frame of any one of claims 1-9.