CN111422005A

CN111422005A - Mute roller

Info

Publication number: CN111422005A
Application number: CN202010308786.9A
Authority: CN
Inventors: 陈建道
Original assignee: Wenzhou Linian Luggage Accessories Co ltd
Current assignee: Wenzhou Linian Luggage Accessories Co ltd
Priority date: 2020-04-18
Filing date: 2020-04-18
Publication date: 2020-07-17

Abstract

The invention relates to a silent roller, which comprises a hub, wherein the hub comprises elastic connecting spokes, an inner ring and an outer ring which are integrally formed, the elastic connecting spokes are connected with the inner ring and the outer ring, the elastic connecting spokes have elastic deformation amounts which allow the inner ring to radially displace relative to the outer ring, and an interval cavity between every two adjacent elastic connecting spokes is filled with an elastic filling medium. The novel damping support has the advantages of good supporting strength, good damping performance, convenience in processing, reliability and durability.

Description

Mute roller

Technical Field

The invention relates to a roller which is used for movable equipment such as bags, carts, baby carriages and movable furniture.

Background

The roller is usually applied to equipment (such as bags, bassinets, furniture and the like) needing to be moved for carrying and supporting when the equipment is carried, and the roller is of a type which has the characteristics of small volume and portability.

When the roller is used, the roller can be in a bumpy condition, for example, a case or a baby carrier encounters an uneven road surface in the moving process, so that a buffering and damping structure is designed on the roller structure part of the case or the baby carrier, but the improvement design of the damping structure is concentrated on the wheel carrier part, because the roller has small volume and limited design space, and the requirements of rigid support and portability need to be met; at present, the damping of the roller is usually only a wheel skin design made of elastic wear-resistant materials such as rubber coated on an outer wheel ring contacting with the ground, and a wheel hub is an integrated part and provides support. Although the rubber has a good damping and buffering effect, the rubber still cannot achieve a good mute damping effect only by relying on the rubber wheel skin. Therefore, as the damping sound box bag wheel disclosed in the Chinese patent No. 201721186034.X patent document, the damping sound box bag wheel is connected between an outer wheel and an inner wheel shaft sleeve by adopting a C-shaped or S-shaped plastic elastic part, and the damping effect of the roller is realized by the plastic elastic part. The roller wheel with the structure realizes the elastic damping performance of the roller wheel by utilizing the hub part of the roller wheel, but the contradiction between the connection strength and the good elastic damping performance exists, the elastic part has the problem of easy breakage, and particularly, the connection part of the elastic part and the shaft sleeve of the outer wheel and the inner wheel is easy to be broken.

Disclosure of Invention

The invention aims at: in order to overcome the defects in the prior art, the invention provides the mute roller which can obtain better supporting strength and has good buffering and damping performance, and has the advantages of convenient processing, reliability and durability.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a silence gyro wheel, includes wheel hub, and wheel hub includes integrated into one piece's elastic connection spoke, interior rim and outer rim, and rim and outer rim in the elastic connection spoke connection, elastic connection spoke have the elastic deformation volume that allows interior rim to follow radial displacement for outer rim, its characterized in that: and filling an elastic filling medium in the space cavity between two adjacent elastic connecting spokes.

By adopting the technical scheme, the elastic connecting spokes connect the inner wheel ring with the outer wheel ring, and the elastic connecting spokes, the inner wheel ring and the outer wheel ring can be integrally formed, so that the processing and the forming are more convenient, the spacing hole cavities between the elastic connecting spokes are filled with the elastic filling medium, and the elastic filling medium provides main elastic support for radial displacement between the inner wheel ring and the outer wheel ring, thereby playing the role of buffering and damping of the roller and optimizing the buffering and damping performance and the supporting strength of the roller; and under this design, not only can weaken the elastic support dependence to elastic connecting spoke, realize the protection to elastic connecting spoke under the elastic support of elasticity filling medium, reduce elastic connecting spoke risk of breaking, but also reducible elastic connecting spoke's quantity, the machine-shaping of being convenient for.

Preferably, the inner wall of the spacing cavity between two adjacent elastic connecting spokes is provided with an attachment structure for attaching the elastic filling medium so that the elastic filling medium is restrained and fixed in the spacing cavity along the axial direction of the hub. Under the structural design, the elastic filling medium is restrained by the attachment structure in the axial direction of the hub, so that the elastic filling medium is more firmly and reliably fixed.

Preferably, the attachment structure is provided on the inner rim or/and the outer rim. Under the structural design, the attachment structure is arranged on the inner rim or/and the outer rim, so that the elastic connecting spokes are not influenced under the aim of firm fixation of the elastic filling medium, and the size control of the elastic connecting spokes is facilitated.

Preferably, the attachment structure comprises a convex plate protruding towards the space cavity, the convex plate is arranged on the outer circumference of the inner wheel ring or/and the inner circumference of the outer wheel ring, the convex plate forms a concave part on two sides corresponding to the axial direction of the wheel hub, the corresponding elastic filling medium forms a groove matched with the convex plate, and an attachment part matched with the concave part and enclosing the groove. Under this structural design, attach simple structure, the machine-shaping of being convenient for, the flange forms the grafting block with elasticity filling medium, reaches fixed reliable.

Preferably, the convex plate is provided with an attachment hole communicating with the concave parts on the two sides, and a connection column matched with the attachment hole is formed on the attachment part of the corresponding elastic filling medium. Under this structural design for elastic filling medium is more firm reliable with the fixed connection of wheel hub, in addition, can improve the flow of elastic filling medium at the interval intracavity of hole at the filling in-process.

Preferably, the elastic filling medium is rubber which is injected and filled in a gap hole cavity between two adjacent elastic connecting spokes. Under this structural design, rubber has the elastic support effectual, durable advantage.

Preferably, the elastic connecting spokes are in a C shape or an S shape bent towards the spacing hole cavity, and the elastic connecting spokes are arranged in an annular array by taking the inner rim as a circle center. Under this structural design, the elastic connection spoke's simple structure, the processing of being convenient for.

The invention is further described below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic structural diagram of a mute roller according to an embodiment of the present invention;

FIG. 2 is a partially cut-away perspective view of a mute roller according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a hub according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of an elastic filling medium filling and curing mode according to an embodiment of the present invention.

Detailed Description

Referring to fig. 1 to 4, the mute roller disclosed by the invention comprises a hub 1, wherein the hub 1 comprises elastic connecting spokes 11, an inner ring 12 and an outer ring 13 which are integrally formed, the outer ring 13 of the hub 1 is coated with a rubber hub skin 2, the elastic connecting spokes 11 are connected with the inner ring 12 and the outer ring 13, the elastic connecting spokes 11 have elastic deformation amounts which allow the inner ring 12 to radially displace relative to the outer ring 13, and a spacing cavity 14 between two adjacent elastic connecting spokes 11 is filled with an elastic filling medium 15. The elastic filling medium 15 is rubber which is injected and filled in the space cavity 14 between two adjacent elastic connecting spokes 11. The elastic connecting spokes connect the inner wheel ring and the outer wheel ring, and the elastic connecting spokes, the inner wheel ring and the outer wheel ring can be integrally formed, so that the processing and the forming are more convenient, elastic filling media are filled in the spacing hole cavities among the elastic connecting spokes, and the elastic filling media provide main elastic support for radial displacement between the inner wheel ring and the outer wheel ring, so that the buffer and shock absorption functions of the roller are realized, and the buffer and shock absorption performance and the support strength of the roller are optimized; and under this design, not only can weaken the elastic support dependence to elastic connecting spoke, realize the protection to elastic connecting spoke under the elastic support of elasticity filling medium, reduce elastic connecting spoke risk of breaking, but also reducible elastic connecting spoke's quantity, the machine-shaping of being convenient for.

In order to ensure that the elastic filling medium is more reliably fixed on the hub, an attachment structure for attaching the elastic filling medium 15 is arranged on the inner wall of the spacing hole 14 between two adjacent elastic connecting spokes 13, so that the elastic filling medium 15 is restrained and fixed in the spacing hole 14 along the axial direction of the hub 1. The elastic filling medium is restrained by the attachment structure in the axial direction of the hub, so that the elastic filling medium is more firmly and reliably fixed; and under the design of the attachment structure, the attachment area of the elastic filling medium attached to the hub can be increased, and the connection firmness is improved. The attachment structure is arranged on the inner ring 12 or/and the outer ring 13, in the embodiment, the inner ring 12 and the outer ring 13 are provided with the attachment structure; the attachment structure is arranged on the inner ring or/and the outer ring, so that the elastic connecting spokes are not influenced under the condition that the elastic filling medium is firmly fixed, and the size control of the elastic connecting spokes is facilitated.

In this embodiment, the attachment structure comprises a protruding plate 16 protruding towards the inside of the spacing bore 14, the protruding plate 16 is arranged on the outer circumference of the inner rim 12 or/and the inner circumference of the outer rim 13, the protruding plate 16 forms a recess 141 on both sides corresponding to the axial direction of the hub 1, the corresponding elastic filling medium 15 forms a groove 151 adapted to the protruding plate 16, and an attachment portion 152 adapted to the recess 141 and enclosing the groove 151. The attachment structure is simple, the processing and the forming are convenient, the convex plate and the elastic filling medium form the insertion clamping, and the fixation is reliable.

Further, the convex plate 16 is provided with an attachment hole 161 communicating with the concave portions 141 on both sides, a plurality of attachment holes may be provided along the convex plate 16, and the attachment portion 151 of the corresponding elastic filling medium 15 is formed with a connection post 152 adapted to the attachment hole 161. The elastic filling medium is more firmly and reliably fixedly connected with the hub, and in addition, the flow of the elastic filling medium in the spaced hole cavity in the filling process can be improved, so that the filling operation of the filling medium is facilitated.

As shown in fig. 1 to 3, the elastic connecting spokes 11 are C-shaped and bent toward the spacing hole cavity, and the elastic connecting spokes 11 are arranged in an annular array with the inner rim as a center. The elastic connecting spokes are simple in structure and convenient to process, and the elastic connecting spokes 11 are bent and deformed towards the spacing hole cavity 14 and can be better attached and supported with elastic filling media. Of course, the resilient web spokes 11 may also be S-shaped, curving towards the interspace.

Claims

1. The utility model provides a silence gyro wheel, includes wheel hub, and wheel hub includes integrated into one piece's elastic connection spoke, interior rim and outer rim, and rim and outer rim in the elastic connection spoke connection, elastic connection spoke have the elastic deformation volume that allows interior rim to follow radial displacement for outer rim, its characterized in that: and filling an elastic filling medium in the space cavity between two adjacent elastic connecting spokes.

2. The silent roller as claimed in claim 1, wherein: and an attachment structure for attaching the elastic filling medium is arranged on the inner wall of the spacing hole cavity between every two adjacent elastic connecting spokes so that the elastic filling medium is restrained and fixed in the spacing hole cavity along the axial direction of the hub.

3. The silent roller according to claim 2, wherein: the attachment structure is provided on the inner rim or/and the outer rim.

4. The silent roller according to claim 3, wherein: the attachment structure comprises convex plates protruding towards the space cavity, the convex plates are arranged on the outer circumference of the inner wheel ring or/and the inner circumference of the outer wheel ring, concave parts are formed on two sides of the convex plates corresponding to the axial direction of the wheel hub, the corresponding elastic filling media form grooves matched with the convex plates, and attachment parts matched with the concave parts and surrounding the grooves.

5. The silent roller as claimed in claim 4, wherein: the convex plate is provided with attachment holes communicated with the concave parts on the two sides, and the corresponding attachment parts of the elastic filling medium are provided with connecting columns matched with the attachment holes.

6. A mute roller as claimed in claim 1, 2, 3, 4 or 5, wherein: the elastic filling medium is rubber which is injected and filled in a spacing hole cavity between two adjacent elastic connecting spokes.

7. A mute roller as claimed in claim 1, 2, 3, 4 or 5, wherein: the elastic connecting spokes are C-shaped or S-shaped and bent towards the spacing hole cavity, and the elastic connecting spokes are arranged in an annular array by taking the inner rim as a circle center.