CN216545542U

CN216545542U - Damping structure for universal wheel of robot

Info

Publication number: CN216545542U
Application number: CN202123443496.4U
Authority: CN
Inventors: 刘平; 陶智辉; 贾林; 涂静一; 王一科
Original assignee: Shenzhen Zhongzhi Yonghao Robot Co ltd
Current assignee: Shenzhen Zhongzhi Yonghao Robot Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-05-17
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a damping structure for a universal wheel of a robot, which comprises: universal wheel, fixed bolster and leaf spring, the leaf spring connect in the below of fixed bolster, the universal wheel with the leaf spring is connected, the fixed bolster with be connected with the bolster between the leaf spring. By implementing the damping structure for the universal wheel of the robot, the universal wheel can be more stable in the operation process, jolting is reduced, and the motion stability of the robot is ensured.

Description

Damping structure for universal wheel of robot

Technical Field

The utility model relates to the technical field of universal wheels, in particular to a damping structure of a universal wheel of a robot.

Background

At present, along with the development of intelligent industry, hands are liberated, the production efficiency is improved, science and technology enable life to be more beautiful, more and more intelligent products serve production life, and the application of the robot is more and more extensive.

The universal wheel of the existing robot is of a rigid structure, namely, no damping system exists in the movement process, particularly, the fluctuation of road surfaces such as a ridge and a step is large, and the jolt is obvious in the operation process, so that the stability of the robot is poor, the movement is not stable, the integral rigidity is poor, and the failure rate is increased.

Therefore, a new structure is needed to be designed, so that the universal wheel is more stable in the running process, and the jolt is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a damping structure for a universal wheel of a robot.

In order to solve the technical problems, the utility model aims to realize the following technical scheme: provided is a robot universal wheel damping structure, including: universal wheel, fixed bolster and leaf spring, the leaf spring connect in the below of fixed bolster, the universal wheel with the leaf spring is connected, the fixed bolster with be connected with the bolster between the leaf spring.

The further technical scheme is as follows: the fixed support is connected with the plate spring through a fixed block.

The further technical scheme is as follows: the leaf spring includes first diaphragm, the both ends of first diaphragm are connected with the riser respectively, the lower extreme of riser is connected with the second diaphragm, the second diaphragm with the universal wheel is connected.

The further technical scheme is as follows: the second transverse plate is connected with the universal wheel through a fastener.

The further technical scheme is as follows: the fixed bracket is connected with the first transverse plate.

The further technical scheme is as follows: the buffer comprises a rubber shock absorption buffer block.

The further technical scheme is as follows: the lower extreme of fixed bolster is connected with two rubber shock attenuation buffer blocks.

The further technical scheme is as follows: the two rubber shock absorption buffer blocks are respectively arranged on two sides of the fixed block.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, by arranging the universal wheel, the fixed support and the plate spring, when the universal wheel passes through a bumpy road section, the universal wheel can float up and down along with the plate spring, and the deformation of the plate spring is damped and buffered by the buffer part, so that the universal wheel is more stable in the operation process, the bump is reduced, and the motion stability of the robot is ensured.

The utility model is further described below with reference to the accompanying drawings and specific embodiments.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a damping structure for a universal wheel of a robot according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of a shock absorbing structure of a universal wheel of a robot according to an embodiment of the present invention;

the labels in the figures illustrate:

10. a first transverse plate; 11. a vertical plate; 12. a second transverse plate; 20. a universal wheel; 30. a buffer member; 40. fixing a bracket; 50. and (5) fixing blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

Referring to fig. 1, fig. 1 is a schematic perspective view of a damping structure for a universal wheel of a robot according to an embodiment of the present invention, where the structure can be applied to damping application scenarios such as service robots and distribution robots, so as to reduce occurrence of excessive pitching of a machine when a road surface has large undulations such as a crossing sill and a step, and the damping structure has high reliability and excellent damping performance.

Referring to fig. 1 and 2, the damping structure for the universal wheel of the robot includes: the universal wheel comprises a universal wheel 20, a fixing support 40 and a plate spring, wherein the plate spring is connected below the fixing support 40, the universal wheel 20 is connected with the plate spring, and a buffer 30 is connected between the fixing support 40 and the plate spring.

In this embodiment, when the universal wheel 20 passes through a bumpy road, for example, when the road surface is greatly fluctuated, such as crossing a ridge, having a step, etc., the universal wheel 20 floats up and down along with the plate spring, and the buffer member 30 can deform and buffer when the plate spring contacts the fixed bracket 40, so as to realize flexible contact, thereby enabling the universal wheel 20 and the robot to move smoothly and reducing the bump.

In one embodiment, referring to fig. 1 and 2, the fixing bracket 40 is connected to the plate spring through a fixing block 50.

In another embodiment, the fixing bracket 40 can be fixedly connected to the plate spring by a connecting structure such as a fastener, which may be determined according to the actual situation.

In an embodiment, referring to fig. 1 and 2, the plate spring includes a first horizontal plate 10, two ends of the first horizontal plate 10 are respectively connected to a vertical plate 11, a second horizontal plate 12 is connected to a lower end of the vertical plate 11, and the second horizontal plate 12 is connected to the universal wheel 20.

In one embodiment, referring to fig. 1 and 2, the second cross plate 12 is connected to the caster 20 via a fastener.

In one embodiment, referring to fig. 1 and 2, the fixing bracket 40 is connected to the first cross plate 10.

The second cross plate 12 and the universal wheel 20 are connected by a fastening member or the like, and the universal wheel 20 and the fixed bracket 40 are connected by the first cross plate 10 and the fixed bracket 40.

In one embodiment, referring to fig. 1 and 2, the buffer 30 includes a rubber shock-absorbing buffer block.

This rubber shock attenuation buffer block warp the buffering when universal wheel 20 is through the road of jolting, realizes the flexonics, and then makes the deformation of leaf spring can not influence fixed bolster 40, also can not influence the robot itself of being connected with fixed bolster 40.

In an embodiment, referring to fig. 1 and 2, two rubber shock absorbing bumps are connected to the lower end of the fixing bracket 40.

Specifically, referring to fig. 1 and 2, the two rubber shock absorbing and buffering blocks are respectively disposed at two sides of the fixing block 50.

Set up two rubber shock attenuation buffer blocks and can better carry out the deformation buffering, in this embodiment, available 1 universal wheel 20 among every robot universal wheel shock-absorbing structure also can use 2 or a plurality of universal wheel 20 integrated configuration. Through the plate spring, the universal wheel 20 is more stable in the operation process, and the jolt is reduced. Simple structure and reliability. The damping structure of the universal wheel of the robot can be used singly or jointly.

Foretell universal wheel shock-absorbing structure of robot, through setting up universal wheel 20, fixed bolster 40 and leaf spring, when the universal wheel 20 was through the highway section of jolting, universal wheel 20 can float from top to bottom along with the leaf spring, and the deformation of leaf spring is cushioned by the shock attenuation of bolster 30, realizes that universal wheel 20 is more steady at the operation in-process, has reduced jolting, has ensured the stability of robot motion.

While the utility model has been described with reference to specific embodiments, the utility model is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the utility model. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A robot universal wheel shock-absorbing structure, comprising: universal wheel, fixed bolster and leaf spring, the leaf spring connect in the below of fixed bolster, the universal wheel with the leaf spring is connected, the fixed bolster with be connected with the bolster between the leaf spring.

2. A shock-absorbing structure for a universal wheel of a robot as set forth in claim 1, wherein the fixing bracket is connected to the plate spring through a fixing block.

3. The robot universal wheel shock absorption structure of claim 2, wherein the plate spring comprises a first transverse plate, two ends of the first transverse plate are respectively connected with a vertical plate, the lower end of the vertical plate is connected with a second transverse plate, and the second transverse plate is connected with the universal wheel.

4. A shock absorbing structure for a robot castor according to claim 3, wherein said second cross plate is connected to said castor by a fastener.

5. A shock-absorbing structure for a universal wheel of a robot as claimed in claim 4, wherein the fixing bracket is connected to the first cross plate.

6. A robot gimbal wheel damping structure as claimed in claim 2, wherein the damping member comprises a rubber damping bumper.

7. A shock-absorbing structure for a universal wheel of a robot as claimed in claim 6, wherein two rubber shock-absorbing bumpers are attached to the lower end of the fixing bracket.

8. A shock-absorbing structure for a universal wheel of a robot as claimed in claim 7, wherein two rubber shock-absorbing buffers are respectively provided at both sides of the fixing block.