CN205736662U - Casters with shock absorption - Google Patents

Abstract

The utility model discloses a caster with shock absorption function, which comprises an outer cylinder, an inner cylinder and balls, wherein the top of the outer cylinder is provided with a mounting plate; inner tube sliding fit is in the urceolus to be provided with the spring between the top of inner tube and mounting panel, the bottom of inner tube is provided with the race of taking the connecting rod, and the ball installs at the race the bottom of urceolus is equipped with the locating plate, and the locating plate is located the below of inner tube bottom to be equipped with the hole with the connecting rod adaptation on the locating plate, urceolus downwardly extending forms urceolus extension limit, and the bottom on urceolus extension limit is less than the bottom of locating plate, be equipped with the cotter way on the lateral wall of urceolus, and be equipped with the locating pin with cotter way matched with at the top of urceolus including, be equipped with. The utility model has the advantages that: the device can have the shock absorption function when moving on uneven ground, and the use state can be adjusted according to the requirements of users.

Description

Casters with shock absorption

technical field

The utility model relates to a caster, in particular to a caster with shock-absorbing function.

Background technique

Casters include movable casters and fixed casters. Swivel casters are commonly referred to as universal wheels. Its structure can rotate 360°, while fixed casters are also called directional casters. It has no rotating structure and cannot rotate. With the continuous development of modern technology, more and more different casters are used for various equipment. Ordinary casters do not have the function of shock absorption. When the equipment moves on uneven ground, it is easy to cause damage to the equipment, which is not conducive to protection of equipment.

Therefore, it is a technical problem to be solved by those skilled in the art to design a caster with a shock-absorbing function when the equipment can be moved on uneven ground.

Utility model content

The purpose of the utility model is to provide a caster with a shock-absorbing function, which can make the equipment have a shock-absorbing function when moving on uneven ground.

The utility model is realized through the following technical solutions:

A caster with a shock-absorbing function, including an outer cylinder, an inner cylinder and balls, the top of the outer cylinder is provided with a mounting plate; the inner cylinder is slidably fitted in the outer cylinder, and a spring is arranged between the top of the inner cylinder and the mounting plate , the bottom of the inner cylinder is provided with a wheel groove with a connecting rod, and the ball is installed in the wheel groove.

The user installs the casters with shock-absorbing function on the equipment through the mounting plate. When the equipment moves on the uneven ground, the ground will react the pressure generated by the weight of the equipment on the balls, so that the balls drive the wheel grooves and connect Both the rod and the inner cylinder move toward the mounting plate, and finally, through the contraction of the spring, the reaction force is buffered, so as to achieve the purpose of shock absorption.

In the caster with this structural design, the inner cylinder is sleeved in the outer cylinder, so that when the spring is stretched and compressed, the inner cylinder can only move in one direction in the outer cylinder, which is beneficial to make the movement of the ball more stable, and through the spring to counteract Force cushioning can better protect the equipment from damage.

Further, a positioning plate is provided at the bottom of the outer cylinder, and the positioning plate is located below the bottom of the inner cylinder, and a hole adapted to the connecting rod is provided on the positioning plate. The positioning plate can prevent the inner cylinder from falling out of the outer cylinder, so that the inner cylinder and the outer cylinder are separated, causing the caster to be unusable. In addition, the positioning plate can also prevent external debris from entering the caster, affecting the normal operation of the caster.

Further, the outer cylinder extends downwards to form an extended side of the outer cylinder, and the bottom of the extended side of the outer cylinder is lower than the bottom of the positioning plate. When the spring shrinks, the wheel groove with balls can slide into the extended side of the outer cylinder, so that The connecting rod between the wheel groove and the inner cylinder is not easily damaged, which further ensures the safety of the caster.

Further, the side wall of the outer cylinder is provided with a pin groove, and the top of the inner cylinder is provided with a positioning pin matching the pin groove, and the positioning pin on the top of the inner cylinder can move in the pin groove on the side wall of the outer cylinder , and through the positioning pin, the sliding of the inner cylinder in the outer cylinder can be controlled.

When the user does not need to use the ball function, he can control the positioning pin so that the wheel groove with the ball shrinks in the extended side of the outer cylinder, and then the equipment with casters can be fixed on the ground. Therefore, the user can adjust the use state of the casters as required.

Further, the mounting plate is provided with mounting holes through which users can mount the casters on various equipment.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

(1) The utility model can make the equipment have a shock-absorbing function when it moves on uneven ground;

(2) The utility model can adjust the use state according to the needs of users, and has a simple structure.

Description of drawings

Fig. 1 is the cross-sectional view of the caster with damping function;

Fig. 2 is a perspective view of a caster with a damping function;

Fig. 3 is a schematic diagram of the connection structure between the inner cylinder and the ball;

Among them: 1—outer cylinder, 2—inner cylinder, 3—connecting rod, 4—wheel groove, 5—ball, 6—locating plate, 7—locating pin, 8—spring, 9—installing plate, 10—installing hole, 11—pin groove, 12—extended side of outer tube.

detailed description

The utility model will be further described in detail below in conjunction with the examples, but the implementation of the utility model is not limited thereto.

Example 1:

The caster with shock-absorbing function, as shown in Figures 1-3, includes an outer cylinder 1 and an inner cylinder 2, the top of the outer cylinder 1 is fixedly connected with a mounting plate 9, and the bottom of the mounting plate 9 is fixedly connected with a spring 8. The spring 8 is located inside the outer cylinder 1.

As shown in Figures 1-3, the top of the inner cylinder 2 is fixedly connected to the bottom of the spring 8, and the bottom of the inner cylinder 2 is fixedly connected to a connecting rod 3, which is made of a metal material with high strength. , and the bottom of the connecting rod 3 is fixedly connected with a wheel groove 4, and a ball 5 is installed in the wheel groove 4.

The inner cylinder 2 is sleeved in the outer cylinder 1 and can slide freely in one direction in the outer cylinder 1. The user installs the casters on the equipment through the mounting plate. When the equipment moves on the uneven ground, due to the ground The pressure generated by the weight of the equipment will react on the ball 5, so that the ball 5 drives the wheel groove 4, the connecting rod 3 and the inner cylinder 2 to move in the direction of the mounting plate 9, and finally through the contraction of the spring 8, the reaction force is buffered, thereby To achieve the purpose of shock absorption.

The caster with this structural design can make the inner cylinder 2 only move in one direction in the outer cylinder 1 when the spring 8 is stretched and compressed, which is beneficial to make the movement of the ball 5 more stable, and through the spring 8 to counteract the reaction force. Cushioning can better protect the equipment from damage.

Example 2:

This embodiment is further optimized on the basis of the above embodiments, as shown in Figures 1-3, further, the bottom of the outer cylinder 1 is provided with a positioning plate 6, and the positioning plate 6 is located below the bottom of the inner cylinder 2, And a hole adapted to the connecting rod 3 is provided on the positioning plate 6 , and the connecting rod 3 runs through the positioning plate 6 .

As shown in Figures 1 to 3, below the positioning plate 6, an outer cylinder extension 12 is also provided along the length direction of the outer cylinder 1, and a positioning pin 7 is arranged on the top of the inner cylinder 2, and on the outer cylinder The side wall of 1 is provided with the pin groove 11 that cooperates with positioning pin 7.

The length of the pin groove 11 is greater than the length of the connecting rod 3, so that the positioning pin 7 can drive the inner cylinder 2 to slide on the outer cylinder 1, and the length of the connecting rod 3 is the maximum distance that the inner cylinder 2 can slide; The length of the extended side 12 of the cylinder is greater than the distance between the top of the connecting rod 3 and the ball 5, so as to ensure that when the user does not need to use the ball 5, the ball 5 can be completely retracted into the extended side of the outer cylinder through the control of the positioning pin 7 within 12.

With the caster of this structural design, the user can adjust the use state of the caster according to needs: when the caster needs to be used, the user can control the positioning pin 7 so that the wheel groove 4 with the ball 5 extends out of the extended side 12 of the outer cylinder, And make positioning pin 7 be fixed on the pin groove 11; The equipment can be fixed on the ground.

Example 3:

This embodiment is further optimized on the basis of the above embodiments, as shown in Figures 1-3, furthermore, the mounting plate 9 is provided with mounting holes 10, through which the user can install the casters on each on the device.

The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Any simple modification or equivalent change made to the above embodiments according to the technical essence of the utility model falls within the scope of the present utility model. Within the protection scope of the present utility model.

Claims (5)

1. there is the castor of shock-absorbing function, it is characterised in that: including urceolus (1), inner core (2) and ball (5), described urceolus (1) top is provided with installing plate (9)；Described inner core (2) is slidably fitted in urceolus (1), and between the top of inner core (2) and installing plate (9), it is provided with spring (8), the bottom of inner core (2) is provided with the race (4) of band connecting rod (3), and ball (5) is arranged in race (4).

The castor with shock-absorbing function the most according to claim 1, it is characterized in that: be provided with location-plate (6) in the bottom of described urceolus (1), and location-plate (6) is positioned at the lower section of inner core (2) bottom, and on location-plate (6), it is provided with the hole adaptive with connecting rod (3).

The castor with shock-absorbing function the most according to claim 2, it is characterised in that: described urceolus (1) is downwardly extending urceolus and extends limit (12), and urceolus extends the bottom less than location-plate (6), the bottom on limit (12).

The castor with shock-absorbing function the most according to claim 3, it is characterised in that: the sidewall of described urceolus (1) is provided with cotter way (11), and is provided with the alignment pin (7) matched with cotter way (11) at the top of inner core (2).

5. according to the castor with shock-absorbing function described in any one of claim 1-4, it is characterised in that: described installing plate (9) is provided with installing hole (10).