CN212202891U - Rubber block for coupler - Google Patents

Abstract

The utility model belongs to the technical field of the shaft coupling, concretely relates to a block rubber for shaft coupling, the utility model provides a block rubber's outer peripheral face is equipped with a plurality of wedge archs, and the wedge arch can set up to the cross-section for triangle-shaped or trapezoidal arch so that receive the extrusion and compress, and the outer peripheral face evenly distributed of shaft coupling is followed to the wedge arch, and the wedge arch can be annular or set up a plurality of wedge archs along the circumference direction interval, and when the shaft coupling during operation, the block rubber receives the extrusion and is compressed, and the bellied existence of wedge makes the area of contact greatly increased between block rubber and first half-coupling and the second half-coupling. So that the rubber block and the half coupling are combined more tightly. The structure enables the coupler to fully absorb the impact brought by the power transmission system. Therefore, the NVH performance of the whole vehicle is improved, and the comfort of the whole vehicle is improved.

Description

Rubber block for coupler

Technical Field

The utility model belongs to the technical field of the shaft coupling, concretely relates to a block rubber for shaft coupling.

Background

This section provides background information related to the present disclosure only and is not necessarily prior art.

The rubber block for the existing coupling is mostly cylindrical, the outer wall surface of the rubber block is a smooth surface, the rubber block is not tight enough to be combined with a metal structure of the coupling, for example, a half coupling, the contact area is small, and the vibration reduction effect also has an optimized space.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving at least among the prior art problem that the combination of block rubber for the shaft coupling and shaft coupling is inseparable enough and the damping effect is not good, this purpose is realized through following technical scheme:

the utility model discloses a first aspect provides a block rubber for shaft coupling, the block rubber is installed in a plurality of block rubber installation space between the first half-coupling of shaft coupling and the second half-coupling, the block rubber is the cylindricality structure, the block rubber includes the edge a plurality of wedges that the axial direction of the outer peripheral face of block rubber set up are protruding.

The utility model provides a block rubber is peripheral to be equipped with a plurality of wedge archs, the wedge arch can set up to the cross-section for triangle-shaped or trapezoidal arch so that receive the extrusion and compress, the outer peripheral face evenly distributed of block rubber is followed to the wedge arch, the wedge arch can be annular or set up a plurality of wedge archs along circumference direction interval, when shaft coupling during operation, the block rubber receives the extrusion and is compressed and then the protruding existence of wedge makes the area of contact greatly increased between block rubber and first half shaft coupling and the second half shaft coupling. So that the rubber block and the half coupling are combined more tightly. The structure enables the coupler to fully absorb the impact brought by the power transmission system. Therefore, the NVH performance of the whole vehicle is improved, and the comfort of the whole vehicle is improved.

In addition, according to the utility model discloses a block rubber for shaft coupling still can have following additional technical characterstic:

in some embodiments of the present invention, the wedge-shaped protrusion is an annular wedge-shaped protrusion disposed along a circumferential direction of the outer circumferential surface of the rubber block.

In some embodiments of the present invention, a cross section of the wedge-shaped protrusion along the axial direction of the rubber block is triangular or trapezoidal.

In some embodiments of the present invention, the two ends of the rubber block are provided with fixing bosses.

In some embodiments of the present invention, the outer wall surface of the fixing boss is a smooth surface.

In some embodiments of the present invention, the fixing boss is an annular fixing boss provided along a circumferential direction of the outer circumferential surface of the rubber block.

In some embodiments of the present invention, the height of the fixing boss is equal to the height of the wedge-shaped protrusion.

In some embodiments of the present invention, the rubber block is an integrally formed structure.

A second aspect of the present invention provides a coupling, the coupling includes:

a first half coupling;

a plurality of rubber block mounting spaces are formed between the second half coupling and the first half coupling;

a plurality of rubber blocks, the rubber block is installed in the rubber block installation space, the rubber block does the utility model discloses the rubber block for shaft coupling that the first aspect provided.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:

fig. 1 schematically shows a cross-sectional schematic view of a coupling according to an embodiment of the invention;

fig. 2 schematically shows a schematic structural view of a rubber block for a coupling according to an embodiment of the present invention;

fig. 3 schematically shows a front view of a rubber block for a coupling according to an embodiment of the invention;

fig. 4 schematically shows a top view of a rubber block for a coupling according to an embodiment of the invention;

the reference symbols in the drawings denote the following:

100: a coupling;

10: rubber block, 11: wedge-shaped protrusion, 12: fixing the boss;

20: a first half coupling;

30: a second coupling half;

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.

Although the terms, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "second" and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, an element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in fig. 1-4, the first aspect of the present invention provides a rubber block 10 for a shaft coupling 100, wherein the rubber block 10 is installed in a plurality of rubber block 10 installation spaces between a first half-coupling 20 and a second half-coupling 30 of the shaft coupling 100, the rubber block 10 is of a cylindrical structure, and the rubber block 10 includes a plurality of wedge-shaped protrusions 11 arranged along an axial direction of an outer peripheral surface of the rubber block 10.

The utility model provides a block rubber 10 is equipped with a plurality of wedge archs 11 at outer global, wedge arch 11 can set up to the cross-section for triangle-shaped or trapezoidal arch so that receive the extrusion and compress, wedge arch 11 is along the outer peripheral face evenly distributed of block rubber 10, wedge arch 11 can be annular or set up a plurality of wedge archs 11 along the circumference direction interval, when the shaft coupling during operation, block rubber 10 receives the extrusion and is compressed and then the existence of wedge arch 11 makes the area of contact greatly increased between block rubber 10 and first half shaft coupling 20 and the second half shaft coupling 30. So that the rubber blocks 10 are more tightly combined with the coupling halves. This configuration allows the coupling 100 to sufficiently absorb the shock from the power transmission system. Therefore, the NVH performance of the whole vehicle is improved, and the comfort of the whole vehicle is improved.

In some embodiments of the present invention, the wedge-shaped protrusion 11 is an annular wedge-shaped protrusion 11 disposed along the circumferential direction of the outer circumferential surface of the rubber block 10. Annular wedge arch 11 is convenient for process, and deformation is comparatively stable when block rubber 10 is extruded simultaneously, can improve the area of contact between block rubber 10 and the half-coupling to fully absorb the vibration.

In some embodiments of the present invention, the cross section of the wedge-shaped protrusion 11 along the axial direction of the rubber block 10 is triangular or trapezoidal. The triangular or trapezoidal cross-section wedge shaped protrusions 11 are sufficiently compressible to absorb vibrations from the drivetrain.

In some embodiments of the present invention, the two ends of the rubber block 10 are provided with fixing bosses 12. The rubber block 10 is improved in assembling stability by providing the fixing boss 12 and improved in durability by providing a certain sealing function to the wedge-shaped protrusion 11.

In some embodiments of the present invention, the outer wall surface of the fixing boss 12 is a smooth surface. The smooth-faced mounting bosses 12 facilitate machining.

In some embodiments of the present invention, the fixing boss 12 is an annular fixing boss 12 disposed along the circumferential direction of the outer circumferential surface of the rubber block 10. The assembly stability of the rubber block 10 is improved by the annular fixing boss 12.

In some embodiments of the present invention, the height of the fixing boss 12 is equal to the height of the wedge-shaped protrusion 11. The groove formed by the wedge-shaped protrusion 11 is sealed by the fixing boss 12, so that impurities are prevented from entering to abrade the outer surface of the rubber block 10.

In some embodiments of the present invention, the rubber block 10 is an integrally formed structure.

A second aspect of the present invention provides a coupling 100, wherein the coupling 100 comprises:

a first half coupling 20;

a plurality of rubber block 10 installation spaces are formed between the second half coupling 30, the second half coupling 30 and the first half coupling 20;

a plurality of rubber blocks 10, rubber block 10 install in rubber block 10 installation space, and rubber block 10 does the utility model discloses a rubber block 10 for shaft coupling that the first aspect provided.

The utility model discloses a shaft coupling 100 that second aspect provided has the outer peripheral face and is the protruding rubber block 10 of wedge 11, and the protruding 11 of wedge can improve the area of contact between rubber block 10 and first half-coupling 20 and the second half-coupling 30 to absorb the vibration at shaft coupling 100 during operation.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (9)

1. The utility model provides a block rubber for shaft coupling, the block rubber is installed in a plurality of block rubber installation space between the first half-coupling of shaft coupling and the second half-coupling, its characterized in that, the block rubber is the cylindricality structure, the block rubber includes the edge a plurality of wedge archs that the axial direction of the outer peripheral face of block rubber set up.

2. The rubber block for a coupling according to claim 1, wherein the wedge-shaped projection is an annular wedge-shaped projection provided in a circumferential direction of an outer peripheral surface of the rubber block.

3. The rubber block for a coupling according to claim 1, wherein the cross section of the wedge-shaped projection in the axial direction of the rubber block is triangular or trapezoidal.

4. The rubber block for the coupling according to claim 1, wherein fixing bosses are provided at both ends of the rubber block.

5. The rubber block for a coupling according to claim 4, wherein the outer wall surface of the fixing boss is a smooth surface.

6. The rubber block for a coupling according to claim 4, wherein the fixing boss is an annular fixing boss provided in a circumferential direction of an outer peripheral surface of the rubber block.

7. The rubber block for a coupling of claim 4, wherein the height of the fixing boss is equal to the height of the wedge-shaped protrusion.

8. The rubber block for a coupling according to any one of claims 1 to 7, wherein the rubber block is of an integrally molded structure.

9. A coupling, characterized in that said coupling comprises:

a first half coupling;

a plurality of rubber block mounting spaces are formed between the second half coupling and the first half coupling;

a plurality of rubber blocks installed in the rubber block installation space, the rubber blocks being the rubber block for a coupling of any one of claims 1 to 8.

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