CN219101848U

CN219101848U - Universal ball

Info

Publication number: CN219101848U
Application number: CN202320179639.5U
Authority: CN
Inventors: 欧小明; 王江云; 陈锡保; 卢桂杰; 金立国
Original assignee: Dongguan Yiheda Automation Co Ltd
Current assignee: Dongguan Yiheda Automation Co Ltd
Priority date: 2022-05-31
Filing date: 2023-02-10
Publication date: 2023-05-30
Anticipated expiration: 2033-02-10

Abstract

The utility model discloses a universal ball, comprising: a universal ball assembly having a bare rolling sphere; the outer peripheral wall of the adjusting piece is provided with a bump structure in an outward extending mode; a hollow housing; the second end of the hollow shell is provided with a second opening, the second opening is covered by the adjusting piece, the inner side wall of the second opening is provided with an axial chute and a limiting chute, and the axial chute is communicated with the limiting chute; an elastic expansion piece; the adjusting piece can move along the axis of the hollow shell, and when the adjusting piece moves, the lug structure is in sliding fit with the axial sliding groove; the adjusting piece can rotate around the axis of the hollow shell, and when the adjusting piece rotates, the lug structure is in sliding fit with the limiting sliding groove, and the limiting sliding groove can limit the axial movement of the adjusting piece.

Description

Universal ball

Technical Field

The utility model relates to the technical field of universal balls, in particular to a universal ball.

Background

The universal ball is a common mechanical part and is applied to the fields of electronics, hardware, machinery, chemical industry and the like. The universal ball rolls very flexibly, uses the universal ball as a bearing and conveying device to convey objects, or uses the universal ball as a movable supporting device such as wheels to enable the objects to slide, and can reduce the labor intensity of workers.

In the prior art, the elastic piece is additionally arranged on the universal ball, so that the universal ball has a buffering function in the use process, but the buffering quantity cannot be adjusted, so that the bearing range of the universal cavity is limited, and the use scene of the universal ball is limited.

Disclosure of Invention

The utility model aims to provide a universal ball, which has high flexibility, can adjust the buffering capacity of the universal ball and is beneficial to widening the applicable scene of the universal ball.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

a universal ball, comprising:

a universal ball assembly having a bare rolling sphere;

the outer peripheral wall of the adjusting piece is provided with a bump structure in an outward extending mode;

the first end of the hollow shell is provided with a first opening which is matched with the rolling spherical surface; the second end of the hollow shell is provided with a second opening, the second opening is covered by the adjusting piece, the inner side wall of the second opening is provided with an axial chute and a limiting chute, and the axial chute is communicated with the limiting chute;

the elastic telescopic piece is arranged in the inner cavity of the hollow shell, one end of the elastic telescopic piece is propped against the universal ball assembly, and the other end of the elastic telescopic piece is propped against the adjusting piece;

the adjusting piece can move along the axis of the hollow shell, and when the adjusting piece moves, the lug structure is in sliding fit with the axial sliding groove; the adjusting piece can rotate around the axis of the hollow shell, and when the adjusting piece rotates, the lug structure is in sliding fit with the limiting sliding groove, and the limiting sliding groove can limit the axial movement of the adjusting piece.

Preferably, the bump structure includes a first sheet body and a second sheet body, and the first sheet body and the second sheet body are respectively protruding to the peripheral wall of the adjusting piece;

the axial sliding groove comprises a first sliding groove and a second sliding groove;

the limiting sliding groove comprises two third sliding grooves and two fourth sliding grooves, one ends of the two third sliding grooves are communicated through the first sliding groove, and the other ends of the two third sliding grooves are communicated through the second sliding groove; one ends of the two fourth sliding grooves are communicated through the first sliding groove, and the other ends of the two fourth sliding grooves are communicated through the second sliding groove.

Preferably, the adjusting member is provided with an adjusting groove concavely inward at one end far away from the elastic telescopic member.

Preferably, the universal ball assembly comprises an assembly box body and a main ball, wherein an inner cavity of the assembly box body is provided with a universal rotating structure, and the main ball is rotatably connected with the assembly box body through the universal rotating structure, and the rolling spherical surface is exposed out of the end part of the assembly box body.

Preferably, the assembly box body comprises a hollow base and a cover plate, the cover plate seals the opening of the hollow base, the universal rotating structure is arranged at the inner bottom of the hollow base, a through hole is formed in the cover plate, and the through hole is matched with the rolling spherical surface.

Preferably, the universal rotating structure comprises a plurality of auxiliary balls, an overhead groove is concavely arranged on the inner bottom wall of the hollow base, a round groove is annularly arranged on the upper portion of the overhead groove, and a plurality of auxiliary balls are placed in the round groove and are in rolling fit with the inner side face of the main ball.

Preferably, the edge of the opening of the hollow base is provided with a flange outwards in a protruding mode, and the bottom of the cover plate is matched with the flange.

Preferably, the elastic telescopic member is a spring.

Preferably, the second end of the hollow shell is provided with a mounting plate in an outward extending manner, and the mounting plate is provided with a mounting through hole.

The utility model has the beneficial effects that:

when the adjusting piece moves inwards, the elastic telescopic piece is compressed, the deformation stroke of the elastic telescopic piece is reduced, and the stroke of the universal ball assembly capable of moving up and down is reduced;

when the adjusting piece moves outwards, the elastic telescopic piece is released, the deformation stroke of the elastic telescopic piece after elongation is increased, and the stroke of the universal ball assembly capable of moving up and down is increased;

according to the utility model, the elastic telescopic piece is compressed or released by the adjusting piece, so that the buffer stroke of the universal assembly is adjusted, and the use scene of the universal ball is widened.

The utility model also includes the following advantages:

(1) The positions of the lug structures are limited through the third chute and the fourth chute, so that the expansion and contraction amount of the elastic expansion piece is stably controlled, and the bearing of each universal ball can be more uniform in a scene of using a plurality of universal balls;

(2) A plurality of auxiliary balls are placed through the circular grooves, and under the condition that the volumes of the main balls are the same, the number of the auxiliary balls can be reduced, so that the processing cost is reduced.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic longitudinal section of FIG. 1;

FIG. 3 is an exploded view of an embodiment of the present utility model;

fig. 4 is a schematic structural view of a hollow shell according to an embodiment of the present utility model.

The figure shows: 1-a universal ball assembly;

11-assembling a box body, 111-a hollow base, 1111-an overhead groove, 1112-a round groove, 1113-a flange, 112-a cover plate and 1121-a through hole;

12-main ball, 121-rolling sphere;

13-universal rotating structure, 131-auxiliary ball;

2-adjusting piece, 21-bump structure, 211-first sheet body, 212-second sheet body;

22-an adjustment tank;

3-a hollow housing, 31-a first opening;

32-a second opening;

321-an axial chute, 3211-a first chute, 3212-a second chute;

322-limit sliding groove, 3221-third sliding groove, 3222-fourth sliding groove;

4-elastic telescoping members;

5-mounting plate, 51-mounting through hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, in the present embodiment, a universal ball includes:

a ball assembly 1, said ball assembly 1 having an exposed rolling sphere 121;

the adjusting piece 2 is provided with a lug structure 21 in an outward extending manner on the peripheral wall;

a hollow shell 3, wherein a first opening 31 is formed at a first end of the hollow shell 3, and the first opening 31 is matched with the rolling sphere 121; a second opening 32 is formed at the second end of the hollow shell 3, the second opening 32 is covered by the adjusting piece 2, an axial sliding groove 321 and a limiting sliding groove 322 are formed in the inner side wall of the second opening 32, and the axial sliding groove 321 is communicated with the limiting sliding groove 322;

the elastic telescopic piece 4 is arranged in the inner cavity of the hollow shell 3, one end of the elastic telescopic piece 4 abuts against the universal ball assembly 1, and the other end abuts against the adjusting piece 2;

wherein, the adjusting piece 2 can move along the axis of the hollow shell 3, and when moving, the bump structure 21 is in sliding fit with the axial chute 321; the adjusting piece 2 can rotate around the axis of the hollow shell 3, when the adjusting piece rotates, the lug structure 21 is in sliding fit with the limiting sliding groove 322, and the limiting sliding groove 322 can limit the axial movement of the adjusting piece 2.

Preferably, the bump structure 21 includes a first sheet 211 and a second sheet 212, and the first sheet 211 and the second sheet 212 are respectively protruded on the outer peripheral wall of the adjusting member 2;

the axial sliding groove 321 comprises a first sliding groove 3211 and a second sliding groove 3212;

the limiting chute 322 comprises two third chutes 3221 and two fourth chutes 3222, wherein one ends of the two third chutes 3221 are communicated through the first chute 3211, and the other ends of the two third chutes 3221 are communicated through the second chute 3212; one end of each of the fourth sliding grooves 3222 is communicated with the first sliding groove 3211, and the other end is communicated with the second sliding groove 3212. In this embodiment, referring to fig. 3, the first sheet 211 and the second sheet 212 are symmetrically arranged with the center line of the adjusting member 2 as a symmetry axis, so as to achieve a balancing effect and make the stress of the elastic telescopic member 4 uniform.

Preferably, the adjusting member 2 is provided with an adjusting groove 22 recessed inward at an end remote from the elastic expansion member 4. In this embodiment, the cross section of the adjusting slot 22 is hexagonal, and can be matched with a hexagonal wrench, and after the hexagonal wrench is inserted, the adjusting piece 2 can be driven to rotate into the limiting chute 322 by screwing the hexagonal wrench, so as to realize positioning of the adjusting piece 2.

Preferably, the universal ball assembly 1 includes an assembly box 11 and a main ball 12, the inner cavity of the assembly box 11 has a universal rotation structure 13, the main ball 12 is rotatably connected with the assembly box 11 through the universal rotation structure 13, and the rolling sphere 121 is exposed at the end of the assembly box 11. In this embodiment, the rolling sphere 121 of the main ball 12 receives the pressure of the external bearing surface and receives the elastic force of the elastic telescopic member 4, and the assembly box 11 is slidably matched with the side wall of the inner cavity of the hollow housing 3, so as to achieve the buffering effect, and the assembly box 11 can increase the contact area with the elastic telescopic member 4, so as to improve the acting area of the elastic telescopic member 4.

Preferably, the assembly box 11 includes a hollow base 111 and a cover plate 112, the cover plate 112 seals the opening of the hollow base 111, the universal rotating structure 13 is disposed at the inner bottom of the hollow base 111, a through hole 1121 is formed in the cover plate 112, and the through hole 1121 is adapted to the rolling sphere 121. In this embodiment, the installation of the main ball 12 is facilitated.

Preferably, the universal rotating structure 13 includes a plurality of auxiliary balls 131, an overhead groove 1111 is concavely provided on an inner bottom wall of the hollow base 111, a circular groove 1112 is annularly provided on an upper portion of the overhead groove 1111, and a plurality of auxiliary balls 131 are disposed in the circular groove 1112 and are in rolling fit with an inner side surface of the main ball 12. In the prior art, the bottom of the hollow base 111 is provided with an arc-shaped groove body matched with the spherical surface of the main ball 12, the auxiliary ball 131 is placed along the arc-shaped groove body, the defects of high processing difficulty of the arc-shaped groove body and a large number of auxiliary balls 131 exist, in the embodiment, the processing difficulty is reduced through the circular groove 1112, the placement quantity of the auxiliary balls 131 can be reduced, and the production cost is further reduced.

Preferably, the edge of the opening of the hollow base 111 is provided with a flange 1113 protruding outwards, and the bottom of the cover 112 is matched with the flange 1113. In this embodiment, the bottom of the cover plate 112 is in clearance fit with the flange 1113, which facilitates assembly

Preferably, the elastic expansion piece 4 is a spring. In this embodiment, the spring is simple in structure and convenient to install.

Preferably, the second end of the hollow housing 3 extends outwards to form a mounting plate 5, and the mounting plate 5 is provided with a mounting through hole 51. In this embodiment, the hollow housing 3 is fixed to an external device by attaching the mounting plate 5 to the external device and then inserting the screw through the mounting hole 51.

In this embodiment, the assembly process is: firstly, a circle of auxiliary balls 131 are fully placed in a circular groove 1112 of a hollow base 111, then a main ball 12 is placed, a cover plate 112 and the hollow base 111 are in clearance fit to form a universal ball assembly 1, then the universal ball assembly 1 is penetrated in from a second opening 32 of a hollow shell 3, then an elastic expansion piece 4 is arranged in an inner cavity of the hollow shell 3 and is propped against the universal ball assembly 1 at the inner end, finally a first sheet 211 of an adjusting piece 2 is aligned with a first sliding groove 3211, a second sheet 212 is aligned with a second sliding groove 3212, the inner end face of the extrusion piece is propped against the outer end of the elastic expansion piece 4 after alignment and the elastic expansion piece 4 is extruded,

when the adjusting member 2 moves axially until the first plate 211 is aligned with the third chute 3221, the first plate 211 enters the third chute 3221 after rotating the adjusting member 2 by 90 °, the second plate 212 synchronously rotates and enters the other third chute 3221, and at this time, the third chute 3221 has the effect of limiting the axial movement of the adjusting member 2, so as to complete the assembly of the universal ball.

The using process comprises the following steps: the bottom of the universal ball is provided with 4 through holes, the universal ball is fixed through screw connection, and the universal ball is assembled and arranged in batches generally, so that objects such as a working plate and a material box running on the universal ball can slide very flexibly.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A universal ball, comprising:

a universal ball assembly having a bare rolling sphere;

2. The universal ball according to claim 1, wherein the bump structure comprises a first sheet body and a second sheet body, and the first sheet body and the second sheet body are respectively protruded on the peripheral wall of the adjusting member;

3. A ball as claimed in claim 1, wherein said adjustment member is provided with an adjustment groove recessed inwardly at an end remote from said resilient telescoping member.

4. The universal ball according to claim 1, wherein the universal ball assembly comprises an assembly box body and a main ball, the inner cavity of the assembly box body is provided with a universal rotating structure, the main ball is rotatably connected with the assembly box body through the universal rotating structure, and the rolling spherical surface is exposed out of the end portion of the assembly box body.

5. The universal ball according to claim 4, wherein the assembly box comprises a hollow base and a cover plate, the cover plate covers the opening of the hollow base, the universal rotating structure is arranged at the inner bottom of the hollow base, and the cover plate is provided with a through hole, and the through hole is matched with the rolling sphere.

6. The universal ball according to claim 5, wherein the universal rotating structure comprises a plurality of auxiliary balls, an overhead groove is concavely arranged on the inner bottom wall of the hollow base, a round groove is annularly arranged on the upper portion of the overhead groove, and a plurality of auxiliary balls are placed in the round groove and are in rolling fit with the inner side face of the main ball.

7. The universal ball according to claim 5, wherein the edge of the opening of the hollow base is provided with a flange in an outward convex manner, and the bottom of the cover plate is matched with the flange.

8. The ball of claim 1, wherein said resilient telescoping member is a spring.

9. The ball of claim 1, wherein the second end of the hollow housing extends outwardly to provide a mounting plate having mounting holes.