CN214688864U

CN214688864U - Dynamic balance buffering caster

Info

Publication number: CN214688864U
Application number: CN202120679818.6U
Authority: CN
Inventors: 董安忠; 王传光
Original assignee: Qingdao Shinhee Polymer Co ltd
Current assignee: Qingdao Shinhee Polymer Co ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-11-12
Anticipated expiration: 2031-04-02

Abstract

The utility model provides a dynamic balance buffering truckle, include: compared with the prior art, the main shaft, the balance rotating block, the balance sliding block, the PU wheel with high bearing iron core and the disc spring, the design adds a main shaft, a balance rotating block, a balance sliding block, a high bearing iron core PU wheel and a disk spring, the design rotates by balancing the center of a rotating block through the main shaft, so that the balance is maintained when the whole vehicle contacts an uneven road surface or an obstacle, the balance rotating block pushes the balance sliding block upwards after being pressed, so that the balance sliding block extrudes the belleville spring, the up-and-down movement is buffered, the shaking of the vehicle body caused by hard impact is reduced, after the dynamic balance universal buffer caster wheel is used with reasonable structure and stable performance by mutually matching two groups of high-bearing iron core PU wheels in the process of advancing, the vehicle body can not deviate when the high-bearing vehicle passes through the uneven road surface, and unstable factors during the running of the vehicle body are reduced.

Description

Dynamic balance buffering caster

Technical Field

The utility model belongs to the truckle field, in particular to dynamic balance buffering truckle.

Background

At present, the caster is a general name, and comprises a movable caster, a fixed caster and a movable caster with a brake, wherein the movable caster is also called a universal wheel, the structure of the universal wheel allows 360-degree rotation, and the fixed caster is also called a directional caster, has no rotating structure and cannot rotate.

However, the existing universal caster only has a single roller, and each vehicle can be matched with 2 or 4 casters for use, so that the caster only with the single roller cannot play a balance role in the advancing process, and the vehicle body has the defects of deviation, serious shaking and the like when the vehicle passes through a rugged road, so that the loss of transported goods is caused, and certain damage is also caused to the casters.

Therefore, there is a need for a dynamically balanced cushioned caster.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a dynamic balance buffering truckle to solve the problem of proposing among the above-mentioned background art.

The technical scheme of the utility model is realized like this: a dynamically balanced cushioned caster comprising: turn to bottom plate and main shaft, turn to the inside tapered bearing that is equipped with of bottom plate, the tapered bearing upper end is connected and is compressed tightly the cap, it is equipped with the protecting cover to compress tightly the cap upper end, the tapered bearing lower extreme is connected and is turned down, turn down and turn to the bottom plate lower surface and be connected with thrust bearing, lower turn down the surface and be equipped with the main part support, main part support downside is equipped with the main shaft, main part support and main shaft both ends are provided with high bearing iron core PU wheel, main shaft one side is equipped with balanced turning block, balanced turning block top is equipped with balanced slider, balanced slider top is belleville spring, belleville spring passes through the spring fixed column direction and fixes, main part support lower extreme is equipped with the closing cap.

In a preferred embodiment, the taper bearing is connected with the lower rotating body through a rotating rod.

In a preferred embodiment, the main shaft and the balance rotating block are fixed through a bolt shaft.

In a preferred embodiment, the main body bracket is formed by welding two sets of legs and a spring cover.

In a preferred embodiment, the balancing rotating block can rotate in a circular arc shape to be in fit contact with the balancing sliding block, and the balancing rotating block and the balancing sliding block form a rotating friction fit.

After the technical scheme is adopted, the beneficial effects of the utility model are that: the utility model discloses a dynamic balance buffering truckle, because the utility model discloses added the main shaft, balanced turning block, balanced slider, high iron core PU wheel and belleville spring bear, this design takes place to rotate through the main shaft with balanced turning block centre of a circle, make whole car contact maintenance balance when uneven road surface or obstacle, upwards promote balanced slider after balanced turning block pressurized, make balanced slider extrude belleville spring, up-and-down motion has been realized and has been cushioned, the automobile body shake that hard impact brought has been reduced, mutually support and find balance in advancing through two sets of high iron core PU wheels of bearing, rational in infrastructure performance stable uses behind this dynamic balance universal buffering truckle, make high car of bearing can not squint when the uneven road surface automobile body, the unstable factor when having alleviateed the automobile body operation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic overall plan view of the dynamic balance buffering caster of the present invention.

In the figure: the steering mechanism comprises a steering bottom plate, a 2-protective cover, a 3-pressing cap, a 4-taper bearing, a 5-thrust bearing, a 6-lower rotating body, a 7-spring fixing column, an 8-disc spring, a 9-main body support, a 10-high bearing iron core PU wheel, a 11-balance sliding block, a 12-balance rotating block, a 13-main shaft and a 14-sealing cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: a dynamically balanced cushioned caster comprising: turn to bottom plate 1 and main shaft 13, turn to 1 inside taper bearing 4 that is equipped with of bottom plate, taper bearing 4 upper end connection compresses tightly cap 3, it is equipped with protecting cover 2 to compress tightly 3 upper ends of cap, 4 lower extreme connections lower bodies 6 of taper bearing, lower bodies 6 with turn to 1 lower surface of bottom plate and be connected with thrust bearing 5, lower 6 lower surfaces of bodies are equipped with main part support 9, main part support 9 downside is equipped with main shaft 13, main part support 9 and main shaft 13 both ends are provided with high bearing iron

core PU wheel

10, 13 one side of main shaft is equipped with balanced turning block 12, balanced turning block 12 top is equipped with

balanced slider

11, 11 tops of balanced slider are belleville spring 8, belleville spring 8 leads fixedly through spring fixed column 7, the 9 lower extremes of main part support is equipped with closing cap 14.

Specifically, when using, the truckle when advancing high bearing iron core PU wheel 10 contacts uneven road surface or obstacle, a set of high bearing iron core PU wheel 10 pressurized takes place to raise when, main shaft 13 can rotate with the 12 centre of a circle of balanced turning block, and then make whole car maintain balance, exert the effort of promotion to balanced slider 11 after balanced turning block 12 pressurized simultaneously, thereby make balanced slider 11 upwards remove, balanced slider 11 extrudees disc spring this moment, make disc spring 8 take place elastic deformation and compress, the up-and-down motion has been realized and has been cushioned, and then make the stabilizer steadily cross the obstacle, the automobile body shake that hard impact brought has been reduced simultaneously.

The taper bearing 4 is connected with the lower rotating body 6 through a rotating rod, and particularly, the rotation of the steering bottom plate 1 and the lower rotating body 6 is facilitated.

The main shaft 13 and the balance rotating block 12 are fixed through a bolt shaft, and particularly, the main shaft 13 is convenient to rotate around the center of the balance rotating block 12.

The main body support 9 is welded by two sets of legs and an elastic cover, and particularly, is convenient for supporting the lower rotating body 6.

The balance rotating block 12 can rotate in a circular arc shape to be in fit contact with the balance sliding block 11, the balance rotating block 12 and the balance sliding block 11 form a rotating friction fit, and particularly the balance rotating block 12 and the balance sliding block 11 are convenient to use in a matched mode.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A dynamically balanced cushioned caster comprising: the steering mechanism comprises a steering bottom plate (1) and a main shaft (13), and is characterized in that a taper bearing (4) is arranged inside the steering bottom plate (1), a pressing cap (3) is connected to the upper end of the taper bearing (4), a protective cover (2) is arranged on the upper end of the pressing cap (3), a lower rotating body (6) is connected to the lower end of the taper bearing (4), a thrust bearing (5) is connected to the lower surfaces of the lower rotating body (6) and the steering bottom plate (1), a main body support (9) is arranged on the lower surface of the lower rotating body (6), the main shaft (13) is arranged on the lower side of the main body support (9), high-bearing iron core PU wheels (10) are arranged at two ends of the main body support (9) and the main shaft (13), a balance rotating block (12) is arranged on one side of the main shaft (13), a balance sliding block (11) is arranged above the balance rotating block (12), and a disc spring (8) is arranged above the balance sliding block (11), the disc spring (8) is guided and fixed through a spring fixing column (7), and a sealing cover (14) is arranged at the lower end of the main body support (9).

2. A dynamically balanced cushioned caster as claimed in claim 1, wherein: the taper bearing (4) is connected with the lower rotating body (6) through a rotating rod.

3. A dynamically balanced cushioned caster as claimed in claim 1, wherein: the main shaft (13) and the balance rotating block (12) are fixed through a bolt shaft.

4. A dynamically balanced cushioned caster as claimed in claim 1, wherein: the main body support (9) is formed by welding two groups of supporting legs and an elastic cover.

5. A dynamically balanced cushioned caster as claimed in claim 1, wherein: the balance rotating block (12) can rotate in a circular arc shape and is in fit contact with the balance sliding block (11), and the balance rotating block (12) and the balance sliding block (11) form rotating friction fit.