CN220956421U

CN220956421U - Roller structure

Info

Publication number: CN220956421U
Application number: CN202322215934.4U
Authority: CN
Inventors: 谭智恒
Original assignee: Dongguan Libai Hardware Products Co ltd
Current assignee: Dongguan Libai Hardware Products Co ltd
Priority date: 2023-08-17
Filing date: 2023-08-17
Publication date: 2024-05-14
Anticipated expiration: 2033-08-17

Abstract

The utility model relates to the technical field of hardware fittings, in particular to a roller structure, which has the technical scheme that: the support ring comprises a first ring part and a second ring part which are in mirror symmetry sleeved on the shaft body, the outer peripheral surfaces of the first ring part and the second ring part are recessed together to form a rotating groove, and the support ring is rotatably arranged on the rotating groove; when the roller structure is installed, the rolling wheel is sleeved on the shaft body, the first ring part and the second ring part are sleeved at two ends of the shaft body respectively, when the first ring part contacts with the opposite surfaces of the second ring part, the second ring part and the outer peripheral surface of the second ring part are sunken together to form a rotating groove, and the rolling wheel is positioned on the rotating groove at the moment and is rotationally connected with the rotating groove; the number of parts is simplified, so that the assembly process is reduced, the processing efficiency is improved, the manufacturing cost is reduced, and the enterprise benefit is increased.

Description

Roller structure

Technical Field

The utility model relates to the technical field of hardware fittings, in particular to a roller structure.

Background

The roller is a component which has the same effect as the bearing, can effectively reduce the friction coefficient of the load component and is used for supporting the reciprocating movement of the load component in the horizontal direction, and the load component can be a refrigerator drawer or other box body or tray.

The existing roller is mainly designed to be arranged by referring to the structure of a bearing, and consists of a shaft body, a ball bearing, a slip ring and a wheel body, wherein the shaft body serves as an integral connecting part to play a role in connection and assembly, and the slip ring, the ball bearing and the wheel body are assembled on the shaft body in sequence. In use, the axle body is mirror-image mounted in a space, and the wheel body thereon carries the load assembly for reciprocal movement in a horizontal direction as the wheel body rotates.

The scheme has the defects of complex structure, large gap, easy shaking, high processing difficulty, high production cost and the like.

Disclosure of utility model

Aiming at the defects existing in the prior art, the utility model aims to provide a roller structure which has the advantages of low production cost and stable structure.

The technical purpose of the utility model is realized by the following technical scheme, namely, a roller structure comprises:

A shaft body;

The support ring comprises a first ring part and a second ring part, the first ring part and the second ring part are sleeved on the shaft body in a mirror symmetry way, and the outer peripheral surface of the first ring part and the outer peripheral surface of the second ring part are recessed together to form a rotating groove;

the rolling wheel is rotatably arranged on the rotating groove.

In one embodiment, the inner wall of the rolling wheel is provided with a protruding portion matched with the rotating groove along the circumferential direction of the inner wall of the rolling wheel, and the protruding portion is rotatably arranged on the rotating groove.

In one embodiment, an arc part is arranged between the groove wall and the groove bottom of the rotating groove, the arc part is in contact with the protruding part, and the protruding part can rotate along the surface of the arc part.

In one embodiment, a first inclined plane is arranged between the groove wall and the groove bottom of the rotating groove, the first inclined plane is in contact with the protruding portion, and the protruding portion can rotate along the surface of the first inclined plane.

In one embodiment, a storage cavity is formed between the surface of the protruding portion and the bottom of the rotating groove, and the storage cavity is arranged around the rotating groove.

In one embodiment, the outer circumferential surface of the rolling wheel is provided with a containing groove along the circumferential direction of the rolling wheel, and an elastic cushion is sleeved on the containing groove.

In one embodiment, the shaft body includes:

the assembly part is used for providing an installation foundation for each part;

And the connecting part is arranged at one end of the assembling part and is used for being connected with the carrier.

In one embodiment, the end surface of the fitting part facing away from one end of the connecting part is provided with a caulking part.

In one embodiment, an end surface of the assembling portion facing away from one end of the connecting portion is further provided with a bolt groove, and an outer circumferential surface of the connecting portion is provided with threads.

In one embodiment, the assembly portion is provided with a limiting portion, and the limiting portion separates the shaft body into the assembly portion and the connecting portion.

Above-mentioned gyro wheel structure has following beneficial effect:

The first ring part and the second ring part are arranged in a mirror image mode, the rotating grooves matched with the rolling wheels are formed in the outer peripheral surfaces of the first ring part and the second ring part, the number of parts and the assembly procedure are reduced while the roller structure is kept to be easy to rotate, the production cost is effectively reduced, and the processing efficiency and the stability in use are improved;

Secondly, the storage cavity is used for containing lubricating grease, and in the use process of the roller structure, the lubricating grease continuously provides lubrication between the shaft body and the support ring as well as between the support ring and the rolling wheel, so that friction force between parts is reduced, the running of the roller structure is facilitated, and meanwhile, the service life of the parts is prolonged;

Thirdly, the cell wall in the rotation groove is matched with the shape of the outer surface of the protruding part, so that the contact area between the protruding part and the rotation groove is increased, and the running stability of the roller is improved.

Drawings

Fig. 1 is a schematic structural view of the present embodiment 1;

fig. 2 is an exploded view of the present embodiment 1;

Fig. 3 is a front view in section of the present embodiment 1;

Fig. 4 is a front view in section of the present embodiment 2.

In the figure: 1. a shaft body; 11. an assembling portion; 111. a bolt slot; 12. a connection part; 13. a limit part; 14. a caulking part; 2. a support ring; 21. a first ring portion; 22. a second ring portion; 23. an arc part; 3. a rolling wheel; 31. a boss; 32. a receiving groove; 4. a rotating groove; 5. a storage chamber; 6. an elastic cushion.

Detailed Description

The present utility model will be described in detail below with reference to the accompanying drawings and examples.

In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" is at least two unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

Example 1:

In use, the load assembly usually uses rollers to assist in running so as to facilitate pushing and pulling of the load assembly, but in actual use, as most of the rollers are designed by multi-reference ball bearings, the load assembly has the defects of more parts, large gaps, easy shaking, high noise, high processing difficulty, high production cost and the like; and after long-time operation, the lubrication effect of the roller is reduced, and parts of the roller are damaged, so that the load assembly is easy to vibrate during pushing and pulling.

Therefore, a roller structure is provided to solve the above-mentioned problems of the prior art. As shown in fig. 1 and 2, the device comprises a shaft body 1, a supporting ring 2 and a rolling wheel 3, wherein the supporting ring 2 comprises a first ring part 21 and a second ring part 22, the first ring part 21 and the second ring part 22 are sleeved on the shaft body 1 in a mirror symmetry way, the outer peripheral surfaces of the first ring part 21 and the second ring part 22 are recessed together to form a rotating groove 4, and the supporting ring 2 is rotatably arranged on the rotating groove 4;

When the roller structure is installed, the first ring part 21 is sleeved on the shaft body 1, the rolling wheel 3 is sleeved on the first ring part 21, the second ring part 22 is sleeved on the shaft body 1, when the first ring part 21 contacts with the opposite surface of the second ring part 22, the second ring part 22 and the outer peripheral surface of the second ring part 22 are jointly recessed to form a rotary groove 4, and the rolling wheel 3 is positioned on the rotary groove 4 and is rotationally connected with the rotary groove 4; the number of parts is simplified, so that the assembly process is reduced, the processing efficiency is improved, the manufacturing cost is reduced, and the enterprise benefit is increased.

Specifically, as shown in fig. 2 and 3, the shaft body 1 includes an assembling portion 11 and a connecting portion 12, wherein the supporting ring 2 is sleeved on the assembling portion 11, and the connecting portion 12 is disposed at one end of the assembling portion 11 and is used for being connected with a carrier.

Here, practical applications of the roller structure are exemplified: taking a refrigerator as an example, a refrigerator cabin in the refrigerator is usually provided with a tray or a drawer, so that a user can store and take food and other articles needing to be preserved in the refrigerator conveniently, the connecting part 12 is fixedly connected with the inner wall of the refrigerator cabin, after the connecting part 12 is connected, the assembling part 11 is positioned in the refrigerator cabin, and the supporting ring 2, the rolling wheel 3 and the like are assembled in sequence, so that the rolling wheel 3 can bear the tray or the drawer, and further the tray or the drawer can be pushed and pulled more conveniently, smoothly and labor-saving.

Further, the fitting portion 11 is provided with a stopper portion 13, and the stopper portion 13 separates the shaft body 1 into the fitting portion 11 and the connecting portion 12.

Further, a caulking portion 14 is provided on an end surface of the fitting portion 11 facing away from the end of the connecting portion 12, after the support ring 2 is sleeved on the fitting portion 11, the caulking portion 14 is deformed by an external force and abuts against one end of the support ring 2, at this time, the other end of the support ring 2 abuts against the limiting portion 13, the support ring 2 is prevented from falling off from the fitting portion 11, and the support ring 2 is mounted on the fitting portion 11.

In the present embodiment, the stopper 13 has a block structure, and the caulking portion 14 has a ring structure.

Further, an end face of the assembling portion 11, which faces away from one end of the connecting portion 12, is provided with a bolt groove 111, and the outer circumferential surface of the connecting portion 12 is provided with threads, so that when the roller structure is mounted on the carrier, an external force is applied to the shaft body 1 by the bolt groove 111, and the roller structure is mounted conveniently.

Preferably, as shown in fig. 3, the inner wall of the rolling wheel 3 is provided with a protruding part 31 adapted to the rotating groove 4 along the circumferential direction thereof, the protruding part 31 is rotatably arranged on the rotating groove 4, and the protruding part 31 is matched with the rotating groove 4, so that the rolling wheel 3 is more tightly matched with the supporting ring 2, and the noise and vibration of the running of the rolling wheel are reduced.

Meanwhile, the rolling wheel 3 is matched with the rotating groove 4 through the convex part 31, namely, the rolling wheel 3 is matched with the supporting ring 2 in a convex-concave mode, so that the rotating movement of the rolling wheel 3 is completed. When the load assembly is placed on the rolling wheel 3, the outer peripheral surface of the rolling wheel 3 is pressed by the weight of the load assembly. At this time, the supporting ring 2 is rotatably disposed on the rotating groove 4 and is also subjected to the pressure transmitted and applied by the protruding portion 31, and due to the arrangement of the protruding portion 31, the interaction forces applied by the protruding portion 31 and the supporting ring 2 are uniformly dispersed, so that the pressure applied by the rolling wheel 3 is more vertical and balanced. The rotation of the rolling wheel 3 is effectively prevented from being influenced by the overlarge gravity of the load assembly, and the loading capacity of the roller structure is improved.

Further, the arc part 23 is arranged between the groove wall and the groove bottom of the rotating groove 4, the arc part 23 is in contact with the protruding part 31, and the protruding part 31 can rotate along the surface of the arc part 23, so that the contact area between the protruding part 31 and the rotating groove 4 is increased, and the running stability of the roller is improved.

Preferably, a storage cavity 5 is formed between the surface of the protruding portion 31 and the bottom of the rotating groove 4, the storage cavity 5 is arranged around the rotating groove 4, the storage cavity 5 can be used for containing lubricating grease, lubrication is continuously provided between the shaft body 1 and the supporting ring 2, between the supporting ring 2 and the rolling wheel 3 in the process of using the roller structure, friction force between parts is reduced, the running of the roller is facilitated, and meanwhile, the service life of the parts is prolonged.

Further, the outer peripheral surface of the rolling wheel 3 is provided with a containing groove 32 along the circumferential direction, the containing groove 32 is provided with an elastic cushion 6, and the refrigerator drawer is contacted with the elastic cushion 6 when in use, so that noise of the refrigerator drawer during operation is reduced, and the moving stability of the refrigerator drawer is improved.

In this embodiment, the elastic cushion 6 is a silica gel ring, and when the silica gel ring is sleeved in the accommodating groove 32, since the silica gel has a certain elastic deformation capability, the load assembly will not generate a large noise even when the load assembly applies pressure during the rotation of the rolling wheel 3 during the use.

The implementation principle of the embodiment is as follows:

1. The lubricating grease is uniformly smeared on the convex part 31 and the rotating groove 4 of the rolling wheel 3;

2. The first ring part 21, the rolling wheel 3 sleeved with the elastic cushion 6 and the second ring part 22 are respectively sleeved on the assembly part 11 of the shaft body 1, at the moment, the first ring part 21 and the second ring part 22 are arranged in a mirror image mode, and when the opposite surfaces of the first ring part 21 and the second ring part are contacted, the first ring part and the second ring part are jointly recessed to form a rotating groove 4;

3. riveting the riveting portion 14 to complete the whole assembly work of the roller structure;

4. The roller wheel 3 is located at the reasonable gap on the rotary groove 4 at this time and rotates, after the elastic cushion 6 is sleeved, noise in the running process can be generated and a buffer effect is achieved, and the roller wheel structure is simple in structure and easy to assemble, so that the processing efficiency is improved, the manufacturing cost is reduced, and the economic benefit of enterprises is greatly improved.

Example 2:

As shown in fig. 4, this embodiment differs from embodiment 1 in that: a first inclined surface is arranged between the groove wall and the groove bottom of the rotating groove 4, the first inclined surface is contacted with the protruding part 31, and the protruding part 31 can rotate along the surface of the first inclined surface.

Specifically, the side surface of the protruding portion 31 is also configured as a second inclined surface that is matched with the first inclined surface.

By adopting the inclined surface structure, the bulge 31 and the rotary groove 4 are convenient to process and manufacture, the yield is easy to improve, and the large-scale production and manufacture are convenient.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A roller structure, comprising:

A shaft body;

the rolling wheel is rotatably arranged on the rotating groove.

2. A roller structure according to claim 1, wherein: the inner wall of the rolling wheel is provided with a protruding part matched with the rotating groove along the circumferential direction of the inner wall of the rolling wheel, and the protruding part is rotatably arranged on the rotating groove.

3. A roller structure according to claim 2, wherein: an arc part is arranged between the groove wall and the groove bottom of the rotating groove, the arc part is contacted with the protruding part, and the protruding part can rotate along the surface of the arc part.

4. A roller structure according to claim 2, wherein: a first inclined plane is arranged between the groove wall and the groove bottom of the rotating groove, the first inclined plane is in contact with the protruding portion, and the protruding portion can rotate along the surface of the first inclined plane.

5. A roller structure according to any one of claims 2-4, wherein: a storage cavity is formed between the surface of the protruding part and the bottom of the rotating groove, and the storage cavity is arranged around the rotating groove.

6. A roller structure according to claim 1, wherein: the outer peripheral surface of the rolling wheel is provided with an accommodating groove along the circumferential direction of the rolling wheel, and an elastic cushion is sleeved on the accommodating groove.

7. The roller structure of claim 1, wherein the axle comprises:

8. A roller structure according to claim 7, wherein: the end face of the assembling part, which is away from one end of the connecting part, is provided with a riveting part.

9. A roller structure according to claim 8, wherein: the end face of the assembling part, which is away from one end of the connecting part, is also provided with a bolt groove, and the outer circumferential surface of the connecting part is provided with threads.

10. A roller structure according to claim 7, wherein: the assembly part is provided with a limiting part, and the shaft body is divided into the assembly part and the connecting part by the limiting part.