CN219492986U

CN219492986U - Belt pulley convenient for heat dissipation

Info

Publication number: CN219492986U
Application number: CN202320397260.1U
Authority: CN
Inventors: 段海龙; 张洪远
Original assignee: Chongqing Rato Technology Co Ltd
Current assignee: Chongqing Rato Technology Co Ltd
Priority date: 2023-03-06
Filing date: 2023-03-06
Publication date: 2023-08-08
Anticipated expiration: 2033-03-06

Abstract

The utility model belongs to the technical field of transmission devices, and provides a belt pulley convenient for heat dissipation, which comprises an inner ring, an outer ring and reinforcing ribs, wherein the inner ring and the outer ring are coaxially arranged, the reinforcing ribs are arranged between the inner ring and the outer ring, the outer ring is provided with belt grooves, the reinforcing ribs are in a vortex fan shape, the number of the reinforcing ribs is multiple, and the reinforcing ribs are uniformly arranged around the axial lead of the inner ring or the outer ring. The belt pulley convenient for heat dissipation provided by the utility model has the advantages of simple structure and reasonable design, can automatically dissipate heat through the rotation of the belt pulley, does not need to be provided with an additional heat dissipation mechanism for dissipating heat of the belt pulley, and has low cost.

Description

Belt pulley convenient for heat dissipation

Technical Field

The utility model relates to the technical field of transmission devices, in particular to a belt pulley convenient for heat dissipation.

Background

As shown in fig. 1, the pulley in the prior art generally includes an inner ring 100 and an outer ring 200 coaxially disposed, the outer ring 200 is provided with a belt groove 210, and a plurality of first reinforcing ribs 310 and second reinforcing ribs 320 uniformly disposed around the axial line of the pulley are disposed between the inner ring 100 and the outer ring 200.

The belt pulley has the following defects: the heat dissipation effect is not realized, and heat generated by friction in the working process of the belt pulley cannot be dissipated by means of self rotation of the belt pulley. Therefore, an additional heat dissipation mechanism is generally required to dissipate heat of the pulley, so that the cost is high.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide the belt pulley which is convenient for heat dissipation, so that the belt pulley can automatically dissipate heat without adding an additional heat dissipation mechanism, thereby achieving the aim of reducing the cost.

In order to achieve the above purpose, the utility model provides a belt pulley convenient for heat dissipation, which comprises an inner ring, an outer ring and reinforcing ribs, wherein the inner ring and the outer ring are coaxially arranged, the reinforcing ribs are arranged between the inner ring and the outer ring, the outer ring is provided with belt grooves, the reinforcing ribs are in a vortex fan shape, the number of the reinforcing ribs is multiple, and the reinforcing ribs are uniformly arranged around the axial lead of the inner ring or the outer ring.

Further, projections of the plurality of reinforcing ribs on the cross section of the inner ring or the outer ring form a complete circular ring.

Further, the projections of any adjacent two reinforcing ribs on the cross section of the inner ring or the outer ring have overlapping areas.

Further, the ratio of the projection of the overlap area to the individual ribs on the cross section of the inner or outer ring is n, wherein,

further, the number of the reinforcing ribs is 5-7.

Further, the number of the reinforcing ribs is 6.

Further, the reinforcing ribs, the inner ring and the outer ring are integrally formed.

Further, the ratio of the length of the projection of the reinforcing rib on the longitudinal section of the inner ring or the outer ring to the length of the inner ring or the outer ring is m, wherein,

the utility model has the beneficial effects that:

according to the belt pulley convenient for heat dissipation, the reinforcing ribs with the turbofan structure are arranged between the inner ring and the outer ring, so that the purpose of driving air to flow by utilizing the rotation of the belt pulley is achieved, and the purpose of heat dissipation is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.

FIG. 1 is a perspective view of a pulley of the prior art;

FIG. 2 is a perspective view of a pulley for facilitating heat dissipation according to an embodiment of the present utility model;

fig. 3 is an internal structural view of the pulley for facilitating heat dissipation shown in fig. 2.

Reference numerals:

100-inner ring, 200-outer ring, 210-belt slot, 300-reinforcing rib, 310-first reinforcing rib and 320-second reinforcing rib.

Detailed Description

Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.

It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model pertains.

In the description of the present application, 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 orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore 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. In the description of the present utility model, the meaning of "plurality" is two or more unless specifically defined otherwise.

In this application, unless specifically stated 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; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. 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 this application, 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.

As shown in fig. 2 to 3, the present utility model provides a pulley for facilitating heat dissipation, comprising an inner race 100 and an outer race 200 coaxially disposed, and a reinforcing rib 300 disposed between the inner race 100 and the outer race 200, the outer race 200 being provided with a belt groove 210. The reinforcing ribs 300 are in a shape of a fan, the number of the reinforcing ribs 300 is plural, and the plurality of reinforcing ribs 300 are uniformly arranged around the axial lead of the inner ring 100 or the outer ring 200, i.e., the plurality of reinforcing ribs 300 form a fan-like structure between the inner ring 100 and the outer ring 200. When the belt pulley is used, with the rotation of the belt pulley, under the action of the reinforcing ribs 300, pressure difference is formed at the two ends of the belt pulley, so that air flow is formed at the two ends of the belt pulley, and the purpose of taking away heat on the belt pulley is achieved.

The belt pulley of this structure, simple structure, reasonable in design can rely on the rotation of belt pulley self to reach radiating purpose, need not to additionally set up radiating mechanism to the belt pulley, the cost is lower, and is equivalent to all having the enhancement in horizontal and vertically, need not to set up between inner circle 100 and outer lane 200 like first strengthening rib 300 and second strengthening rib 300 among the prior art, can reach the intensity requirement of belt pulley, when having increased belt pulley intensity, reduced the quality of belt pulley.

In one embodiment, the plurality of ribs 300 form a complete annular shape as projected onto the cross-section of the inner race 100 or the outer race 200 (i.e., the cross-section along a direction perpendicular to the axis of the inner race 100 or the outer race 200). The reinforcing rib 300 of this structure can better support the outer race 200, thereby further increasing the strength of the pulley.

In one embodiment, the projections of any adjacent two ribs 300 on the cross-section of inner race 100 or outer race 200 have overlapping regions. The reinforcing rib 300 of this structure can better support the outer race 200, thereby further increasing the strength of the pulley.

In one embodiment, the ratio of the overlap area to the projection of a single bead 300 onto the cross-section of either inner race 100 or outer race 200 is n, wherein,by controlling the size of the overlapping area, the method can achieve the following effectsThe quality of the belt pulley is reduced while the strength of the belt pulley is ensured.

In one embodiment, the number of ribs 300 is 5-7. By controlling the number of the reinforcing ribs 300, the quality of the pulley is reduced while the strength of the pulley is ensured.

In one embodiment, the number of ribs 300 is 6.

In one embodiment, bead 300, inner race 100, and outer race 200 are integrally formed. The belt pulley with the structure has higher strength.

In one embodiment, the ratio of the projected length of the reinforcing bead 300 on the longitudinal section of the inner ring 100 or the outer ring 200 (i.e., the section along the length direction of the inner ring or the outer ring) to the length of the inner ring 100 or the outer ring 200 is m, wherein,by controlling the length of the reinforcing ribs 300, the quality of the pulley is reduced while ensuring the strength of the pulley.

In the description of the present utility model, numerous specific details are set forth. However, it is understood that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.

Claims

1. The utility model provides a belt pulley convenient to heat dissipation, is in including coaxial inner circle and outer lane of setting and setting up the inner circle with the strengthening rib between the outer lane, the outer lane is provided with the belt groove, its characterized in that: the reinforcing ribs are in a vortex fan shape, the number of the reinforcing ribs is multiple, and the reinforcing ribs are uniformly arranged around the axial lead of the inner ring or the outer ring.

2. The pulley for facilitating heat dissipation according to claim 1, wherein: the projections of the plurality of reinforcing ribs on the cross section of the inner ring or the outer ring form a complete circular ring.

3. The pulley for facilitating heat dissipation according to claim 2, wherein: the projections of any adjacent two reinforcing ribs on the cross section of the inner ring or the outer ring are provided with overlapping areas.

4. A pulley for facilitating heat dissipation as claimed in claim 3, wherein: the ratio of the projection of the overlap area to the individual ribs on the cross section of the inner ring or the outer ring is n, wherein,

5. the pulley for facilitating heat dissipation according to any one of claims 1 to 4, wherein: the number of the reinforcing ribs is 5-7.

6. The pulley for facilitating heat dissipation as set forth in claim 5, wherein: the number of the reinforcing ribs is 6.

7. The pulley for facilitating heat dissipation according to any one of claims 1 to 4, wherein: the reinforcing ribs, the inner ring and the outer ring are integrally formed.

8. A heat sink facilitating pulley as in any one of claims 1-4 whereinThe method comprises the following steps: the ratio of the length of the projection of the reinforcing rib on the longitudinal section of the inner ring or the outer ring to the length of the inner ring or the outer ring is m, wherein,