CN216300674U

CN216300674U - Universal wheel with orientation structure

Info

Publication number: CN216300674U
Application number: CN202121706205.3U
Authority: CN
Inventors: 邱永利; 关巨明; 邱文辉
Original assignee: Zhongshan Feida Casters Co ltd
Current assignee: Zhongshan Feida Casters Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2022-04-15
Anticipated expiration: 2031-07-26

Abstract

The utility model discloses a universal wheel with an oriented structure, which comprises a bracket and a wheel body rotationally connected to the lower part of the bracket, wherein a round table is arranged on the upper part of the bracket, a through hole is formed in the center of the round table, a first oriented part is arranged on the side surface of the round table, a first semicircular groove is formed in the top surface of the round table, a fixed seat is arranged above the round table and comprises an installation plate, a cylinder is connected to the lower part of the installation plate, a second semicircular groove matched with the first semicircular groove is formed in the bottom surface of the cylinder, a plurality of steel balls are arranged between the first semicircular groove and the second semicircular groove, a through hole corresponding to the through hole is formed in the lower part of the cylinder, the through hole and the through hole are rotationally connected through a rivet, and an oriented piece corresponding to the first oriented part is movably connected to the outer side surface of the cylinder; the utility model has simple and reliable structure, can be freely switched between universal and directional modes according to requirements, has flexible steering and is suitable for various different places.

Description

Universal wheel with orientation structure

Technical Field

The utility model relates to a caster wheel, in particular to a universal wheel with an orientation structure.

Background

The caster is a general name, and comprises a movable caster, a fixed caster and a movable caster with a brake. The movable caster wheel is also called a universal wheel, and the structure of the movable caster wheel allows 360-degree rotation; the fixed caster is also called a directional caster, and has no rotating structure and can not rotate. Generally, two types of casters are used in combination, such as a cart having two directional wheels at the front and two universal wheels at the rear adjacent the push arm.

The matching mode of the two directional wheels and the two universal wheels is very good in turning flexibility and straight walking directionality in common places, but in some narrow places and particularly heavy loads, the turning flexibility is not good in the matching mode of the four universal wheels, and the walking stick is very clumsy.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides the universal wheel with the directional structure, which has a simple structure.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the utility model provides an universal wheel with oriented structure, includes the support to and rotate the wheel body of connecting in the support lower part, the upper portion of support is provided with the round platform, the round platform center is provided with the perforation, the side of round platform is provided with first orientation portion, the top surface of round platform is provided with first half slot, the top of round platform is provided with the fixing base, the fixing base is including the mounting panel, the sub-unit connection of mounting panel has the cylinder, the bottom surface of cylinder is provided with the second half slot that matches with first half slot, be provided with many steel balls between first half slot and the second half slot, the lower part of cylinder is provided with the through-hole that corresponds with the perforation to pass through the rivet rotation connection to through-hole and perforation, the lateral surface swing joint of cylinder has the orientation piece corresponding with first orientation portion.

The directional piece is including directional ring and rotating ring, the lateral surface of cylinder is provided with internal thread structure, the inner wall of rotating ring is provided with the external screw thread structure who matches with internal thread structure, the rotating ring passes through the helicitic texture and is connected with the cylinder rotation, the lower part of rotating ring is provided with the ring of cross-section for "L" font is protruding, the upper portion inner wall of directional ring is provided with the recess that matches with the ring is protruding, directional ring rotates with the rotating ring to be connected, the inner wall of directional ring is provided with first spacing portion, and the lateral surface of cylinder is provided with the spacing portion of second that matches with first spacing portion, first spacing portion and the spacing portion sliding connection of second, the lower part of directional ring is provided with the second orientation portion that matches with first orientation portion.

The first orientation portion is a plurality of bulges distributed around the circular truncated cone in a circumferential array manner.

The bulges are shaped like an isosceles trapezoid.

And an anti-skid structure is arranged on the outer side surface of the rotating ring.

The anti-slip structure is a plurality of semicircular strip bodies distributed in an array mode in the circumferential direction of the rotating ring, and the semicircular strip bodies are longitudinally arranged.

The utility model has the beneficial effects that: the utility model has simple and reliable structure, can be freely switched between universal and directional modes according to requirements, has flexible steering and is suitable for various different places; by arranging the rotating ring and the movable ring, the structure of the utility model is more stable and reliable, the service life is long, and the situation that the directional piece is suddenly loosened or locked due to vibration can not occur in the using process; through setting up a plurality of archs, make the direction that can fix more, make things convenient for directional piece and directional locking mutually more.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

fig. 3 is an exploded view of the present invention.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Referring to fig. 1 to 3, the universal wheel with the directional structure comprises a support frame 2 and a wheel body 1 rotatably connected to the lower part of the support frame 2, wherein the wheel body 1 can be rotatably connected with the support frame 2 through rivets. The upper portion of support 2 is provided with round platform 21, and in this implementation, round platform 21 is hollow structure, round platform 21 center is provided with perforation 22, the side of round platform 21 is provided with first orientation portion 23, the top surface of round platform 21 is provided with the first semicircle groove 24 that the indent formed. The top of round platform 21 is provided with fixing base 3, fixing base 3 is including mounting panel 31, mounting panel 31 is provided with four at least mounting holes, the sub-unit connection of mounting panel 31 has cylinder 32. The circular truncated cone 21 and the cylinder 32 can be formed by punching and integrally or by welding. The bottom surface of the column 32 is provided with a second semicircular groove 33 matched with the first semicircular groove 24, a plurality of steel balls 4 are arranged between the first semicircular groove 24 and the second semicircular groove 33, and in the present embodiment, the number of the steel balls 4 is the best to be distributed in the first semicircular groove 24. The lower portion of the cylinder 32 is provided with a through hole 34 corresponding to the through hole 22, and the through hole 34 and the through hole 22 are rotatably coupled by a rivet. The outer side surface of the column 32 is movably connected with an orientation piece corresponding to the first orientation part 23. When the device is used as a directional wheel, the first directional part 23 can be locked by the directional piece, so that the bracket 2 and the fixed seat 3 cannot rotate relatively; when the universal wheel is required to be used as a universal wheel, the orientation piece and the first orientation part 23 can be separated in a loosening mode, so that the support 2 and the fixed seat 3 can rotate relatively.

The embodiment has simple and reliable structure, can be randomly switched and used in two modes of universal and directional modes as required, is flexible in steering, and is suitable for various different places. For example, in narrow places or bidirectional equipment, the mode can be switched to be used as required.

The directional component comprises a directional ring 5 and a rotating ring 6, an internal thread structure is arranged on the outer side surface of the cylinder 32, an external thread structure matched with the internal thread structure is arranged on the inner wall of the rotating ring 6, and the rotating ring 6 is rotatably connected with the cylinder 32 through the thread structure. The lower part of the rotating ring 6 is provided with a ring protrusion 61 with an L-shaped section, the inner wall of the upper part of the orientation ring 5 is provided with a groove 51 matched with the ring protrusion 61, and the orientation ring 5 is rotatably connected with the rotating ring 6. The inner wall of the orientation ring 5 is provided with a first limiting part 52, the outer side surface of the column body 32 is provided with a second limiting part 35 matched with the first limiting part 52, and the first limiting part 52 is connected with the second limiting part 35 in a sliding mode. The first position-limiting portion 52 may be a groove or a projection. The second position-limiting portion 35 and the first position-limiting portion 52 can limit the rotation of the orientation ring 5, so that the orientation ring 5 can only slide up and down. The lower portion of the orientation ring 5 is provided with a second orientation portion 53 that matches the first orientation portion 23. The structure of the embodiment is more stable and reliable, the service life is long, and the situation that the directional piece is suddenly loosened or locked due to vibration in the using process can be avoided.

The first orientation portion 23 is a plurality of protrusions distributed in a circumferential array around the circular truncated cone 21. The larger the number of projections in this embodiment, the more directions in which the holder 2 can be fixed.

The bulges are shaped like an isosceles trapezoid. The embodiment is more convenient for the directional piece to be locked with the directional part.

The outer side surface of the rotating ring 6 is provided with an anti-slip structure 62. This embodiment makes the rotating ring 6 be difficult to smooth hand, makes the directional piece use more convenient.

The anti-slip structure 62 is a plurality of semicircular strip bodies distributed in a circumferential array around the rotating ring 6, and the semicircular strip bodies are longitudinally arranged. The embodiment has the advantages of convenient processing, low manufacturing cost and improved economic benefit.

The using method comprises the following steps:

when the embodiment needs to be switched to a directional wheel for use, the bracket 2 is rotated to a proper angle, and then the rotating ring 6 is rotated to enable the directional ring 5 to slide downwards, so that the first directional part 23 and the second directional part 53 are locked; when the universal wheel needs to be switched to be used, the rotating ring 6 is rotated to enable the orientation ring 5 to slide upwards, and the first orientation portion 23 and the second orientation portion 53 are completely loosened.

The above embodiments do not limit the scope of the present invention, and those skilled in the art can make equivalent modifications and variations without departing from the overall concept of the present invention.

Claims

1. The universal wheel with the orienting structure comprises a support (2) and a wheel body (1) which is rotatably connected to the lower portion of the support (2), and is characterized in that a circular truncated cone (21) is arranged on the upper portion of the support (2), a through hole (22) is formed in the center of the circular truncated cone (21), a first orienting portion (23) is arranged on the side face of the circular truncated cone (21), a first semicircular groove (24) is formed in the top face of the circular truncated cone (21), a fixing seat (3) is arranged above the circular truncated cone (21), the fixing seat (3) comprises a mounting plate (31), a cylinder (32) is connected to the lower portion of the mounting plate (31), a second semicircular groove (33) matched with the first semicircular groove (24) is formed in the bottom face of the cylinder (32), a plurality of steel balls (4) are arranged between the first semicircular groove (24) and the second semicircular groove (33), and a through hole (34) corresponding to the through hole (22) is formed in the lower portion of the cylinder (32), the through hole (34) and the through hole (22) are rotatably connected through a rivet, and the outer side surface of the column body (32) is movably connected with an orientation piece corresponding to the first orientation part (23).

2. The universal wheel with the orientation structure according to claim 1, wherein the orientation member comprises an orientation ring (5) and a rotation ring (6), an internal thread structure is provided on the outer side surface of the cylinder (32), an external thread structure matched with the internal thread structure is provided on the inner wall of the rotation ring (6), the rotation ring (6) is rotatably connected with the cylinder (32) through the thread structure, a ring protrusion (61) with an L-shaped cross section is provided on the lower portion of the rotation ring (6), a groove (51) matched with the ring protrusion (61) is provided on the inner wall of the upper portion of the orientation ring (5), the orientation ring (5) is rotatably connected with the rotation ring (6), a first limit portion (52) is provided on the inner wall of the orientation ring (5), a second limit portion (35) matched with the first limit portion (52) is provided on the outer side surface of the cylinder (32), the first limiting part (52) is connected with the second limiting part (35) in a sliding mode, and the lower portion of the orientation ring (5) is provided with a second orientation part (53) matched with the first orientation part (23).

3. The universal wheel having an orienting structure according to claim 2, wherein the first orienting portion (23) is a plurality of protrusions distributed in a circumferential array around the round table (21).

4. The universal wheel having an orientation feature of claim 3, wherein said projections are in the shape of an isosceles trapezoid.

5. Universal wheel with directional structure according to claim 2, characterised in that the outer side of the rotating ring (6) is provided with anti-slip structures (62).

6. Universal wheel with orienting structure, according to claim 5, characterized in that said anti-slip structure (62) is a plurality of semi-circular bars distributed in a circumferential array around said rotating ring (6), said semi-circular bars being longitudinally disposed.