Robot chassis based on safety protection

Abstract

The utility model discloses a robot chassis based on safety protection. The robot chassis comprises a robot chassis, the protective baffle is installed on the side wall of the robot chassis through an elastic connecting assembly, and a rubber pad is arranged on the side face, close to the robot chassis, of the protective baffle; wherein arc-shaped plates which are bent towards the robot chassis are arranged at the two ends of the protective baffle, and balls are rotationally installed on one side faces of the arc-shaped plates; by arranging a protective baffle, a rubber pad, an elastic connecting assembly and balls, the device can well conduct buffering and damping when collision occurs, damage to the robot chassis caused by large collision force is reduced, meanwhile, the balls roll to be separated from a colliding object, the moving direction of the robot chassis can be adjusted, and the robot chassis is more convenient to use. The continuous contact collision time of the robot chassis and the collision object is shortened, and the safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a robot chassis based on safety protection. BACKGROUND

[0002] The robot chassis is the basic structure of the robot motion system, usually including mechanical frame, drive system and other components, responsible for supporting the robot and providing necessary moving ability, when the chassis moves, driven by the drive wheel, the universal wheel moves following the drive wheel to perform straight line, turning or U-turn action.

[0003] The existing robot chassis in the using process, because the robot chassis moves at will, the chassis edge can be in contact with external object accidentally, collision occurs, when colliding, the collision force is directly transmitted to the chassis, can cause the inside parts of the chassis to vibrate loose, serious can cause the damage of parts, low safety, inconveniently guarantee the safety when the chassis moves, for this, we propose a robot chassis based on safety protection. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a robot chassis based on safety protection to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a robot chassis based on safety protection, comprising:

[0006] The robot chassis;

[0007] The protective baffle is installed on the side wall of the robot chassis through the elastic connecting assembly, and the side of the protective baffle close to the robot chassis has a rubber pad.

[0008] Wherein, the protective baffle is provided with the arc-shaped plate bent towards the robot chassis at both ends, and the arc-shaped plate is rotatably installed with the ball bearing on one side.

[0009] Preferably, the elastic connecting assembly includes a connecting block, a spring and a clamping block, the side wall of the robot chassis is fixed with a connecting barrel, the connecting block is slidably arranged on the inner side wall of the connecting barrel, one end of the connecting block is provided with the clamping block, the inner wall of the connecting barrel is provided with the clamping groove matched with the connecting barrel, and the inner side of the connecting block is provided with the spring matched with the robot chassis.

[0010] Preferably, the cross section of the clamping groove is rectangular, and the clamping block can slide along the long side of the clamping groove.

[0011] Preferably, the lower surface of the clamping block is provided with the first inclined surface, the clamping block is provided with the second inclined surface, and the inclination of the second inclined surface is smaller than that of the first inclined surface.

[0012] Preferably, the clamping blocks are circumferentially distributed on the connecting block.

[0013] Preferably, the protective baffle and the arc-shaped plate are integrally formed.

[0014] Preferably, the rubber pad has a thickness of 1-5 mm, and is fixed to the protective baffle by glue.

[0015] Preferably, the robot chassis comprises universal wheels and driving wheels, the universal wheels are arranged at four corners of the robot chassis, and the driving wheels are arranged at the middle of the robot chassis and are staggered with the universal wheels.

[0016] Compared with the prior art, the robot chassis has the advantages that:

[0017] By means of the protective baffle, the rubber pad, the elastic connecting assembly and the ball, the robot chassis can be buffered and damped when colliding with an object, the damage of the robot chassis caused by a large collision force can be reduced, the robot chassis can be separated from the object by rolling of the ball, the moving direction of the robot chassis can be adjusted, the contact time of the robot chassis with the object can be reduced, the safety can be improved, and the protective baffle can be easily replaced and maintained. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 is a structural schematic view of the utility model;

[0019] Fig. 2 is a structural schematic view of the elastic connecting assembly of the utility model;

[0020] Fig. 3 is a structural schematic view of the clamping block of the utility model.

[0021] In the drawing: 1, robot chassis; 101, universal wheel; 102, driving wheel; 103, connecting cylinder; 2, protective baffle; 3, ball; 401, connecting block; 402, spring; 403, clamping block; 4031, first inclined surface; 4032, second inclined surface; 5, rubber pad. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figs. 1-3The utility model provides a kind of technical scheme: a robot chassis based on safety protection, comprising:

[0024] Robot chassis 1;

[0025] Protective baffle 2 is installed in the side wall of robot chassis 1 by elastic connecting assembly, and elastic buffering is facilitated, so as to avoid direct contact with external collision object when robot chassis 1 moves, and large contact collision damage occurs, and the side surface of protective baffle 2 close to robot chassis 1 has rubber pad 5, so as to improve the elastic buffering effect of protective baffle 2, to improve the safety of robot chassis when moving in straight shape, turning or U-turn.

[0026] Among them, the arc-shaped plate bent towards robot chassis 1 is arranged at both ends of protective baffle 2, and the arc-shaped plate has a side surface rotatably installed with a ball 3, so as to stagger with collision object by rotating the ball 3, to avoid continuous contact of robot chassis 1 with collision object.

[0027] In the embodiment, preferably, the elastic connecting assembly includes a connecting block 401, a spring 402 and a clamping block 403, the side wall of robot chassis 1 is fixed with a connecting cylinder 103, the connecting block 401 is slidably arranged on the inner side wall of connecting cylinder 103, and the connecting block 401 has a clamping block 403 at one end surface, the inner wall of connecting cylinder 103 is provided with a clamping groove matched with connecting cylinder 103, so as to quickly install protective baffle 2, and the inner side of connecting block 401 is provided with a spring 402 matched with robot chassis 1, so as to buffer and dampen.

[0028] In the embodiment, preferably, the clamping groove is rectangular in cross section, and the clamping block 403 can slide along the long side of the clamping groove, so as to make the spring 402 elastically stretch and contract to buffer the collision force.

[0029] In the embodiment, preferably, the lower surface of clamping block 403 has a first inclined surface 4031, and the clamping block 403 is provided with a second inclined surface 4032, and the inclination of second inclined surface 4032 is smaller than that of first inclined surface 4031, so as to pull out the clamping block 403 from the inner side of clamping groove later, and then replace protective baffle 2.

[0030] In the embodiment, preferably, the clamping block 403 is uniformly distributed at three places along the circumference of connecting block 401, so as to better connect.

[0031] In the embodiment, preferably, protective baffle 2 and arc-shaped plate are integrally formed.

[0032] In the embodiment, preferably, the thickness of rubber pad 5 is 1-5 mm, so as to better shock absorption and buffering, and rubber pad 5 is fixed with protective baffle 2 by glue.

[0033] In the embodiment, preferably, the robot chassis 1 comprises universal wheels 101 arranged at four corners of the robot chassis 1 and driving wheels 102 arranged at the middle of the robot chassis 1.

[0034] The working principle and use process of the utility model are as follows: in use, the robot chassis 1 is supported by the universal wheels 101, and when walking, the robot chassis 1 is moved by the driving wheels 102 driven by the motors inside the robot chassis 1; the driving wheels 102 are provided with two, when the rotating speeds and directions of the two driving wheels 102 are the same, the robot chassis 1 moves in a straight line, when the rotating speeds and directions of the two driving wheels 102 are the same, the robot chassis 1 turns or makes a U-turn; in the moving process of the robot chassis 1, the external objects can be prevented from directly colliding with the robot chassis 1 by the protective baffle 2, the collision is elastically buffered by the springs 402 between the protective baffle 2 and the robot chassis 1, when the springs 402 are extruded and shortened, the rubber pads 5 contact the connecting barrels 103, the effect of shock absorption and buffering is further improved, when the balls 3 contact the outside, the balls 3 rotate to change the direction of the robot chassis 1, the continuous contact and collision of the robot chassis 1 with the collision objects are avoided, after the protective baffle 2 is damaged, the protective baffle 2 can be directly pulled away to move away from the robot chassis 1, the connecting blocks 401 are separated from the inside of the connecting barrels 103, and the protective baffle 2 can be replaced and maintained.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A security shield based robot chassis, characterized in that, include: Robot chassis (1); The protective baffle (2) is installed on the side wall of the robot chassis (1) through an elastic connection assembly, and the protective baffle (2) has a rubber pad (5) on the side near the robot chassis (1). The protective baffle (2) has arc-shaped plates at both ends that bend toward the robot chassis (1), and a ball bearing (3) is rotatably installed on one side of the arc-shaped plate. The elastic connection assembly includes a connecting block (401), a spring (402), and a locking block (403). A connecting cylinder (103) is fixed to the side wall of the robot chassis (1). The connecting block (401) is slidably disposed on the inner side wall of the connecting cylinder (103), and a locking block (403) is provided on one end face of the connecting block (401). A locking groove that cooperates with the connecting cylinder (103) is opened on the inner wall of the connecting cylinder (103). A spring (402) that cooperates with the robot chassis (1) is provided on the inner side of the connecting block (401).

2. The security shield based robot chassis of claim 1, wherein: The slot has a rectangular cross-section, and the card block (403) can slide along the long side of the slot.

3. The security shield based robot chassis of claim 1, wherein: The lower surface of the card block (403) has a first inclined surface (4031), and the card block (403) is provided with a second inclined surface (4032), and the inclination of the second inclined surface (4032) is less than the inclination of the first inclined surface (4031).

4. The security shield-based robot chassis of claim 3, wherein: The card block (403) is evenly distributed in three places along the circumference of the connecting block (401).

5. The security shield-based robot chassis of claim 1, wherein: The protective baffle (2) and the arc plate are integrally formed.

6. The security shield-based robot chassis of claim 1, wherein: The thickness of the rubber pad (5) is 1 mm to 5 mm, and the rubber pad (5) is fixed to the protective baffle (2) by adhesive.

7. The security shield based robot chassis of claim 1, wherein: The robot chassis (1) includes casters (101) and drive wheels (102). The casters (101) are arranged along the four corners of the robot chassis (1), and the drive wheels (102) are offset from the casters (101) and are located in the middle of the robot chassis (1).

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