CN220726943U - Rubber damping unit and bracket system - Google Patents

Abstract

The utility model discloses a rubber damping unit which is used for connecting a first bracket and a second bracket and is characterized by comprising a first metal piece, a second metal piece and a rubber piece; the rubber piece is fixed between the first metal piece and the second metal piece along the first direction; the cross-sectional area of the rubber member decreases from the two ends to the middle of the rubber member along the first direction; the first metal piece is used for being fixedly connected with the first support, and the second metal piece is used for being fixedly connected with the second support. The utility model can effectively reduce the rubber consumption of the rubber damping unit, reduce the cost and effectively improve the high-frequency vibration filtering performance of the rubber damping unit. The utility model also provides a bracket system for installing the automobile pump body, which comprises the first bracket, the second bracket and the rubber damping unit.

Description

Rubber damping unit and bracket system

Technical Field

The utility model relates to the field of air pump brackets used in vehicles, in particular to a rubber damping unit and a bracket system.

Background

In the running process of the automobile, the air pump can vibrate when running at high speed, and in order to meet the NVH (Noise, vibration, harshness, namely noise, vibration and harshness) requirement, special treatment is required to be carried out on the support system of the air pump so as to achieve the purpose of vibration reduction.

The scheme adopted in the current market is to install a damping rubber pad on the outer side of the pump body of the air pump in a whole circle, and then fix the damping rubber pad by using a metal bracket. The proposal has large rubber consumption and higher cost, and has complicated structure, which is unfavorable for the lightweight design of the bracket system.

Disclosure of Invention

The utility model aims to solve the problems that the rubber damping structure in the air pump bracket system in the current market is large in rubber consumption, high in cost, and complicated in structure, and is not beneficial to the lightweight design of the bracket system. The utility model provides a rubber damping unit and a bracket system, which can effectively reduce the rubber consumption of a rubber damping structure, reduce the cost and simplify the structure, and are beneficial to the lightweight design of the bracket system.

In order to solve the technical problems, an embodiment of the utility model discloses a rubber damping unit for connecting a first bracket and a second bracket, which comprises a first metal piece, a second metal piece and a rubber piece;

the rubber piece is fixed between the first metal piece and the second metal piece along a first direction;

the cross-sectional area of the rubber member decreases from the two ends to the middle of the rubber member along the first direction;

the first metal piece is used for being fixedly connected with the first support, and the second metal piece is used for being fixedly connected with the second support.

By adopting the technical scheme, the rubber piece is arranged between the first metal piece and the second metal piece, compared with the rubber damping structure of the whole circle, the cross-sectional area of the rubber piece is gradually decreased from the two ends of the rubber piece to the middle, the consumption of the rubber damping unit can be effectively reduced, the cost is reduced, and meanwhile, the high-frequency vibration filtering performance of the rubber damping unit can be effectively improved.

According to another embodiment of the utility model, at least three rubber ribs are arranged on the outer surface of the rubber piece along the circumferential direction, and the circumferential direction surrounds the first direction;

the cross-sectional area of each of the rubber ribs increases from both ends to the middle of the rubber rib in the first direction.

By adopting the technical scheme, through setting up the rubber band, can provide holding power for rubber damping unit in first direction, when first support and second support pass through rubber damping unit connection, guarantee the stability of connecting between first support and the second support.

According to another embodiment of the present utility model, the interval between every two adjacent rubber ribs is equal along the circumferential direction.

By adopting the technical scheme, the intervals between every two adjacent rubber ribs are equal, and the supporting force can be uniformly provided for the rubber damping unit in all directions in the circumferential direction.

According to another embodiment of the utility model, the rubber part is not provided with a framework inside.

By adopting the technical scheme, the rubber part is not internally provided with a framework, so that larger damping deformation can be realized, and the vibration isolation capability is effectively improved.

According to another embodiment of the utility model, one end of the rubber member is in concave-convex fit with the first metal member, and the other end of the rubber member is in concave-convex fit with the second metal member.

By adopting the technical scheme, the concave-convex matching of the rubber piece, the first metal piece and the second metal piece can effectively improve the contact area of the rubber piece, the first metal piece and the second metal piece, promote the adhesive force between the rubber piece and the first metal piece and the second metal piece, and improve the mechanical strength of the rubber damping unit.

According to another specific embodiment of the present utility model, along the first direction, a plurality of first ribs are arranged on a side, where the first metal piece is fixed to the rubber piece, and the plurality of first ribs are distributed along the circumferential direction, and a plurality of first grooves are arranged on a side, where the rubber piece is fixed to the first metal piece, and each of the first ribs is in concave-convex fit with one of the first grooves;

along the first direction, one side of the second metal piece fixed with the rubber piece is provided with a plurality of second convex ribs, a plurality of second convex ribs are distributed along the circumferential direction, one side of the rubber piece fixed with the second metal piece is provided with a plurality of second grooves, and each second convex rib is matched with one second groove in a concave-convex mode.

By adopting the technical scheme, the concave-convex fit of the first convex rib and the first groove, the concave-convex fit of the second convex rib and the second groove can effectively improve the contact area of the rubber part and the first metal part and the second metal part, promote the adhesive force between the rubber part and the first metal part and the second metal part, and improve the mechanical strength of the rubber damping unit.

According to another embodiment of the present utility model, in the first direction, one end of the rubber member is connected to the first metal member by way of vulcanization, and the other end of the rubber member is connected to the second metal member by way of vulcanization.

According to another embodiment of the present utility model, in the first direction, one end of the rubber member is connected to the first metal member by injection molding, and the other end of the rubber member is connected to the second metal member by injection molding.

According to another embodiment of the utility model, the clamping device comprises a first C-shaped clamping spring and a second C-shaped clamping spring;

along the first direction, one end, far away from the rubber piece, of the first metal piece is provided with a first installation shaft, the first C-shaped clamp spring is clamped to the first installation shaft, a first clamping space is formed between the first C-shaped clamp spring and the first metal piece, and the first clamping space is used for clamping the first bracket;

along the first direction, the one end that the second metalwork kept away from the rubber spare is equipped with the second installation axle, second C type jump ring joint in the second installation axle, second C type jump ring with form the second joint space between the second metalwork, the second joint space is used for the joint the second support.

By adopting the technical scheme, the first bracket is fixedly connected with the first metal piece through the first C-shaped clamp spring, the second bracket is fixedly connected with the second metal piece through the second C-shaped clamp spring, the installation efficiency is high, the occupied space is small, the connection is stable, and compared with the traditional scheme through bolt fixation, the phenomenon of wire withdrawal can not occur when the embodiment of the application vibrates.

According to another embodiment of the utility model, the first C-shaped clamp spring comprises a first arc-shaped section, a second arc-shaped section and a first straight section, wherein the first arc-shaped section and the second arc-shaped section are connected through the first straight section;

the second C-shaped clamp spring comprises a third arc-shaped section, a fourth arc-shaped section and a second straight section, and the third arc-shaped section is connected with the fourth arc-shaped section through the second straight section.

By adopting the technical scheme, the first C-shaped clamp spring and the second C-shaped clamp spring are provided with the straight sections, so that automatic feeding and positioning in the installation process are facilitated.

According to another embodiment of the utility model, the rubber member has a hardness of SHA40 to SHA50.

By adopting the technical scheme, the hardness of the rubber part is set at SHA40 to SHA50, so that the rubber part can be ensured to have enough strength and simultaneously can be damped and deformed, and the vibration isolation capability is improved.

The embodiment of the utility model also discloses a bracket system for installing the automobile pump body, which comprises a first bracket, a second bracket and at least one rubber damping unit in any one of the specific embodiments;

the rubber damping unit is positioned between the first bracket and the second bracket along the first direction;

the first metal piece is fixedly connected with the first bracket, and the second metal piece is fixedly connected with the second bracket.

By adopting the technical scheme, the first bracket and the second bracket are fixedly connected through the at least one rubber damping unit, so that the rubber consumption of the bracket system can be effectively reduced, the cost is reduced, the structure is simplified, and the lightweight design of the bracket system is facilitated.

Drawings

FIG. 1 shows a perspective view of a rubber damping unit according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram showing a front view of a rubber damper unit according to an embodiment of the present utility model;

FIG. 3 illustrates a semi-sectional view of a stent system according to an embodiment of the present utility model;

FIG. 4 shows a cross-sectional top view of a rubber damping unit according to an embodiment of the present utility model;

FIG. 5 is a schematic view showing the bottom structure of a first metal member of a rubber damping unit according to an embodiment of the present utility model;

fig. 6 shows a top view of a rubber damping unit according to an embodiment of the present utility model.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present specification, by describing the embodiments of the present utility model with specific examples. While the description of the utility model will be described in connection with the preferred embodiments, it is not intended to limit the inventive features to the implementation. Rather, the purpose of the utility model described in connection with the embodiments is to cover other alternatives or modifications, which may be extended by the claims based on the utility model. The following description contains many specific details for the purpose of providing a thorough understanding of the present utility model. The utility model may be practiced without these specific details. Furthermore, some specific details are omitted from the description in order to avoid obscuring the utility model. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

It should be noted that in this specification, like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present embodiment, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "inner", "bottom", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present utility model.

The terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

In the description of the present embodiment, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present embodiment can be understood in a specific case by those of ordinary skill in the art.

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

Referring to fig. 1 to 4, the embodiment of the present application provides a rubber damping unit 1, the rubber damping unit 1 connecting a first bracket 2 and a second bracket 3 (as shown in fig. 3).

Specifically, the rubber damping unit 1 includes a first metal member 11, a second metal member 12, and a rubber member 13. The rubber member 13 is fixed between the first metal member 11 and the second metal member 12 in the first direction X.

Wherein, first metalwork 11 and first support 2 fixed connection, second metalwork 12 and second support 3 fixed connection.

The cross-sectional area S1 of the rubber member 13 decreases from both ends to the middle of the rubber member 13 in the first direction X to form a shape with both thick ends and thin middle to improve the vibration filtering performance of the rubber damping unit 1.

Compared with the whole circle rubber damping structure in the current market, the rubber damping unit 1 provided by the embodiment of the application has less rubber consumption, and can effectively reduce cost.

In some possible embodiments, referring to fig. 4, the rubber member 13 is not provided with a skeleton inside, that is, in this embodiment, the rubber member 13 only includes a rubber portion, and since the rubber member 13 has no other material or structure outside the rubber inside, a larger damping deformation can be achieved, and the vibration isolation capability is effectively improved.

In some possible embodiments, referring to fig. 1, 2 and 4, four rubber ribs 130 are provided on the outer surface of the rubber member 13 along the circumferential direction R (the circumferential direction R surrounds the first direction X), and the circumferential direction R surrounds the first direction X. Each rubber rib 130 is attached to the outer surface of the rubber member 13, and extends along the outer surface of the rubber member 13 to two ends of the rubber member 13 along the first direction X, so as to form a generally crescent structure. The rubber ribs 130 can provide a supporting force for the rubber damping unit 1 in the first direction X to ensure stability of the connection between the first bracket 2 (shown in fig. 3) and the second bracket 3 (shown in fig. 3).

Illustratively, the cross-sectional area S2 of each of the rubber ribs 130 increases gradually from both ends to the middle of the rubber rib 130 in the first direction X to enhance the supporting force of each of the rubber ribs 130 to the rubber damping unit 1.

Illustratively, the number of the rubber ribs 130 is not specifically limited, and in the embodiment of the present application, the number of the rubber ribs 130 is four, and in other possible implementations, the number of the rubber ribs 130 may be three, five, six, seven, or more. However, it should be noted that the number of the rubber ribs 130 is at least three to ensure that the rubber damper unit 1 can be supported in all directions in the circumferential direction R.

In some possible embodiments, referring to fig. 1, 2 and 4, the interval between every adjacent two of the rubber ribs 130 is equal in the circumferential direction R so that the four rubber ribs 130 uniformly provide the supporting force to the rubber damping unit 1 in the circumferential direction R.

In some possible embodiments, referring to fig. 1, 2 and 5, one end of the rubber member 13 is in a concave-convex engagement with the first metal member 11, and the other end is in a concave-convex engagement with the second metal member 12.

Specifically, ten first ribs 111 are provided on the side of the first metal member 11 (as shown in fig. 5) fixed to the rubber member 13 in the first direction X, the ten first ribs 111 are distributed along the circumferential direction R, and correspondingly, ten first grooves 131 distributed along the circumferential direction R are provided on the side of the rubber member 13 fixed to the first metal member 11, and each first rib 111 is in concave-convex fit with one first groove 131.

As for the number of the first ribs 111 and the first grooves 131, the embodiment of the present application is not particularly limited, and the number of the first ribs 111 may be twelve or thirteen or the like, and the number of the first grooves 131 may be twelve or thirteen or the like, for example.

Illustratively, in the first direction X, the side of the second metal part 12 (in this embodiment, the second metal part 12 has the same structure as the first metal part 11 and reference may be made to fig. 5) to which the rubber part 13 is fixed is provided with ten second ribs 121, the ten second ribs 121 are distributed along the circumferential direction R, correspondingly, the side of the rubber part 13 to which the second metal part 12 is fixed is provided with ten second grooves 132 distributed along the circumferential direction R, and each of the second ribs 121 and one of the second grooves 132 are in concave-convex fit.

The number of the second ribs 121 and the second grooves 132 is not particularly limited, and the number of the second ribs 121 may be twelve or thirteen or the like, and the number of the second grooves 132 may be twelve or thirteen or the like, for example.

By the concave-convex matching of the first convex rib 111 and the second groove 131 and the concave-convex matching of the second convex rib 121 and the second groove 132, the contact area between the rubber member 13 and the first metal member 11 and the contact area between the rubber member 13 and the second metal member 12 can be effectively increased, the adhesive force between the rubber member 13 and the first metal member 11 and the second metal member 12 can be increased, and the mechanical strength of the rubber damping unit 1 can be improved.

In other possible embodiments, the first rib 111 is disposed on the side where the rubber member 13 is fixed to the first metal member 11, and the first groove 131 is disposed on the side where the first metal member 11 is fixed to the rubber member 13, and the first rib 111 is in concave-convex fit with the first groove 131.

In other possible embodiments, the second rib 121 is disposed on the side where the rubber member 13 is fixed to the second metal member 12, and the second groove 132 is disposed on the side where the second metal member 12 is fixed to the rubber member 13, and the second rib 121 is in concave-convex fit with the second groove 132.

In some possible embodiments, in the first direction X, one end of the rubber member 13 is connected to the first metal member 11 by way of vulcanization processing, and the other end of the rubber member 13 is connected to the second metal member 12 by way of vulcanization processing.

In other possible embodiments, one end of the rubber member 13 is connected to the first metal member 11 by injection molding, and the other end of the rubber member 13 is connected to the second metal member 12 by injection molding, along the first direction X.

In some possible embodiments, referring to fig. 1, 2 and 6, the rubber damping unit 1 includes a first C-shaped clamp spring 14 (as shown in fig. 6) and a second C-shaped clamp spring 15 (in this embodiment, the second C-shaped clamp spring 15 has the same structure as the first C-shaped clamp spring 14, refer to fig. 6).

For example, along the first direction X, a first mounting shaft 113 is disposed at an end of the first metal piece 11 away from the rubber piece 13, the first C-shaped clamp spring 14 is clamped to the first mounting shaft 113, and a first clamping space 16 is formed between the first C-shaped clamp spring 14 and the first metal piece 11.

For example, along the first direction X, a second mounting shaft 123 is disposed at an end of the second metal piece 12 away from the rubber piece 13, the second C-shaped clamp spring 15 is clamped to the second mounting shaft 123, and a second clamping space 17 is formed between the second C-shaped clamp spring 15 and the second metal piece 12.

Referring to fig. 1 to 3 in combination with fig. 6, when the rubber damping unit 1 is connected to the first bracket 2 and the second bracket 3, the first bracket 2 is clamped in the first clamping space 16, and the second bracket 3 is clamped in the second clamping space 17. Through first C type jump ring 14 with first support 2 and first metalwork 11 fixed connection, through second C type jump ring 15 with second support 3 and second metalwork 12 fixed connection, installation effectiveness is high, occupation space is little and connect firmly to compare in traditional scheme through bolt fastening, the silk that moves back (in the scheme of bolt fastening adopted, because high frequency vibration can lead to the bolt to move back) can not appear in this application embodiment when the vibration.

In some possible embodiments, with continued reference to fig. 1, 2 and 6, the first C-shaped clamp spring 14 includes a first arcuate segment 141, a second arcuate segment 142 and a first straight segment 143, the first arcuate segment 141 and the second arcuate segment 142 being connected by the first straight segment 143 to form a "C" shape, wherein the first straight segment 143 is capable of mating with a feeding mechanism (not shown) during an automated installation process to move the first C-shaped clamp spring 14 in a fixed direction to facilitate automated feeding and positioning installation during the installation process.

Illustratively, the second C-shaped clamp spring 15 includes a third arc-shaped segment (not shown), a fourth arc-shaped segment (not shown), and a second straight segment (not shown), where the third arc-shaped segment and the fourth arc-shaped segment are connected by the second straight segment to form a "C" shape, where the second straight segment can cooperate with a feeding mechanism (not shown) in an automated installation process to move the second C-shaped clamp spring 15 in a fixed direction, so as to facilitate automated feeding and positioning installation in the installation process.

In some possible embodiments, the hardness of the rubber member 13 is SHA40 to SHA50, so that the rubber member 13 can be ensured to have enough strength and simultaneously can be damped and deformed, and the vibration isolation capability is improved.

The embodiment of the present application further provides a bracket system, referring to fig. 3, including the rubber damping unit 1, the first bracket 2, and the second bracket 3 in any of the above embodiments. In the first direction X, the rubber damping unit 1 is located between the first bracket 2 and the second bracket 3.

The first metal part 11 is fixedly connected to the first carrier 2 and the second metal part 12 is fixedly connected to the second carrier 3.

Specifically, referring to fig. 1, 2 and 3, the first bracket 2 is clamped in the first clamping space 16 through the first C-shaped clamp spring 14, and the second bracket 3 is clamped in the second clamping space 17 through the second C-shaped clamp spring 15.

The support system provided by the application is low in rubber dosage, low in cost and simple in structure, and is favorable for the lightweight design of the support system.

While the utility model has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a further detailed description of the utility model with reference to specific embodiments, and it is not intended to limit the practice of the utility model to those descriptions. Various changes in form and detail may be made therein by those skilled in the art, including a few simple inferences or alternatives, without departing from the spirit and scope of the present utility model.

Claims (12)

1. The rubber damping unit is used for connecting the first bracket and the second bracket and is characterized by comprising a first metal piece, a second metal piece and a rubber piece;

the rubber piece is fixed between the first metal piece and the second metal piece along a first direction;

the cross-sectional area of the rubber member decreases from the two ends to the middle of the rubber member along the first direction;

the first metal piece is used for being fixedly connected with the first support, and the second metal piece is used for being fixedly connected with the second support.

2. The rubber damping unit according to claim 1, wherein the outer surface of the rubber member is provided with at least three rubber ribs in a circumferential direction, the circumferential direction surrounding the first direction;

each rubber rib is attached to the outer surface of the rubber piece and extends to two ends of the rubber piece along the first direction along the outer surface of the rubber piece;

the cross-sectional area of each of the rubber ribs increases from both ends to the middle of the rubber rib in the first direction.

3. A rubber damper unit according to claim 2, wherein the interval between each adjacent two of said rubber ribs is equal in said circumferential direction.

4. The rubber damping unit of claim 1, wherein the rubber member is internally devoid of a carcass.

5. The rubber damping unit of claim 1, wherein one end of the rubber member is in concave-convex engagement with the first metal member and the other end is in concave-convex engagement with the second metal member.

6. The rubber damping unit according to claim 5, wherein a plurality of first ribs are arranged on the side, where the first metal piece is fixed to the rubber piece, along the first direction, and the plurality of first ribs are distributed along the circumferential direction, a plurality of first grooves are arranged on the side, where the rubber piece is fixed to the first metal piece, and each first rib is in concave-convex fit with one first groove;

along the first direction, one side of the second metal piece fixed with the rubber piece is provided with a plurality of second convex ribs, a plurality of second convex ribs are distributed along the circumferential direction, one side of the rubber piece fixed with the second metal piece is provided with a plurality of second grooves, and each second convex rib is matched with one second groove in a concave-convex mode.

7. The rubber damping unit according to claim 1, wherein one end of the rubber member is connected to the first metal member by vulcanization in the first direction, and the other end of the rubber member is connected to the second metal member by vulcanization.

8. The rubber damping unit according to claim 1, wherein one end of the rubber member is connected to the first metal member by injection molding, and the other end of the rubber member is connected to the second metal member by injection molding, along the first direction.

9. The rubber damping unit of claim 1, comprising a first C-clamp spring and a second C-clamp spring;

along the first direction, one end, far away from the rubber piece, of the first metal piece is provided with a first installation shaft, the first C-shaped clamp spring is clamped to the first installation shaft, a first clamping space is formed between the first C-shaped clamp spring and the first metal piece, and the first clamping space is used for clamping the first bracket;

along the first direction, the one end that the second metalwork kept away from the rubber spare is equipped with the second installation axle, second C type jump ring joint in the second installation axle, second C type jump ring with form the second joint space between the second metalwork, the second joint space is used for the joint the second support.

10. The rubber damping unit of claim 9, wherein the first C-clamp spring comprises a first arcuate segment, a second arcuate segment, and a first straight segment, the first arcuate segment and the second arcuate segment being connected by the first straight segment;

the second C-shaped clamp spring comprises a third arc-shaped section, a fourth arc-shaped section and a second straight section, and the third arc-shaped section is connected with the fourth arc-shaped section through the second straight section.

11. The rubber damping unit of claim 1, wherein the rubber member has a hardness of SHA40 to SHA50.

12. A bracket system for mounting an automobile pump body, comprising a first bracket, a second bracket and at least one rubber damping unit according to any one of claims 1-11;

the rubber damping unit is positioned between the first bracket and the second bracket along the first direction;

the first metal piece is fixedly connected with the first bracket, and the second metal piece is fixedly connected with the second bracket.