CN212804066U - Electric vacuum pump damping mechanism - Google Patents
Electric vacuum pump damping mechanism Download PDFInfo
- Publication number
- CN212804066U CN212804066U CN202020875293.9U CN202020875293U CN212804066U CN 212804066 U CN212804066 U CN 212804066U CN 202020875293 U CN202020875293 U CN 202020875293U CN 212804066 U CN212804066 U CN 212804066U
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- vacuum pump
- electric vacuum
- spring
- rubber sleeve
- damping mechanism
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Abstract
The utility model belongs to the technical field of the braking system technique and specifically relates to an electric vacuum pump damping mechanism. The utility model provides an electric vacuum pump damping mechanism which characterized in that: electric vacuum pump is equipped with 4 electric vacuum pump connection feet, electric vacuum pump connection foot on adopt leg joint damping mechanism, damping mechanism including screwing up bolt, spring holder, supporting spring, damping rubber sleeve, set screw, threaded connection set screw is passed through at the top of electric vacuum pump connection foot, the bolt is screwed up in set screw's top connection, the outside cover that is located screwing up the bolt is equipped with the spring holder, the upper portion cover that is located the spring holder is equipped with supporting spring, the lower part cover of spring holder is equipped with the damping rubber sleeve, the top below of supporting spring's top butt spring holder, supporting spring's bottom butt damping rubber sleeve. Compared with the prior art, the electric vacuum pump is supported by using the spring force, and only the spring supports the electric vacuum pump, so that the vibration of the electric vacuum pump is isolated from the bracket.
Description
Technical Field
The utility model belongs to the technical field of the braking system technique and specifically relates to an electric vacuum pump damping mechanism.
Background
On traditional electric vacuum pump, electric vacuum pump connects the foot and adopts support and bolt to be connected, when the condition of vibration takes place for the support, directly will vibrate and transmitted vacuum pump itself through the bolt to can produce the noise, in the serious time, can influence the normal work of vacuum pump.
Disclosure of Invention
The utility model discloses an overcome prior art not enough, use the spring force to support electric vacuum pump, only spring support electric vacuum pump keeps apart the vibration of electric vacuum pump self with the support. When the support vibrates, the spring force is overcome, and the vibration reduction groove part at the middle lower part of the vibration reduction rubber sleeve is contacted with the spring seat and the fixing screw on the electric vacuum pump to limit the relative vibration of the electric vacuum pump and the support. The vibration of the electric vacuum self-vibration is well isolated from the vehicle body, and the vibration reduction effect is good.
In order to realize above-mentioned purpose, design an electric vacuum pump damping mechanism, connect the foot including electric vacuum pump, its characterized in that: electric vacuum pump is equipped with 4 electric vacuum pump connection feet, electric vacuum pump connection foot on adopt leg joint damping mechanism, damping mechanism including screwing up bolt, spring holder, supporting spring, damping rubber sleeve, set screw, threaded connection set screw is passed through at the top of electric vacuum pump connection foot, the bolt is screwed up in set screw's top connection, the outside cover that is located screwing up the bolt is equipped with the spring holder, the upper portion cover that is located the spring holder is equipped with supporting spring, the lower part cover of spring holder is equipped with the damping rubber sleeve, the top below of supporting spring's top butt spring holder, supporting spring's bottom butt damping rubber sleeve.
The top of the vibration damping rubber sleeve is provided with a circular truncated cone-shaped groove, and the inner side of the middle part of the vibration damping rubber sleeve is provided with a vibration damping groove; the middle outer edge of the vibration damping rubber sleeve is provided with a limiting clamping groove matched with the bracket.
The bottom of the tightening bolt is connected with the top of the fixing screw through threads.
The spring seat is of a T-shaped sleeve structure.
The support is of a square panel structure, and mounting holes for mounting the vibration reduction rubber sleeves are formed in the periphery of the support.
Compared with the prior art, the utility model, a provide an electric vacuum pump damping mechanism uses the spring force to support electric vacuum pump, only has spring support electric vacuum pump, keeps apart electric vacuum pump self's vibration and support. When the support vibrates, the spring force is overcome, and the vibration reduction groove part at the middle lower part of the vibration reduction rubber sleeve is contacted with the spring seat and the fixing screw on the electric vacuum pump to limit the relative vibration of the electric vacuum pump and the support. The vibration of the electric vacuum self-vibration is well isolated from the vehicle body, and the vibration reduction effect is good.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view of the structure of the present invention.
Referring to fig. 1, fig. 2, 1 is a tightening bolt, 2 is a spring seat, 3 is a support spring, 4 is a damping rubber sleeve, 4-1 is a circular truncated cone-shaped groove, 4-2 is a damping groove, 4-3 is an installation groove, 5 is a support, 6 is a fixing screw, and 7 is an electric vacuum pump connecting pin.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the electric vacuum pump is equipped with 4 electric vacuum pump connection feet 7, electric vacuum pump connection feet 7 on adopt support 5 to connect damping mechanism, damping mechanism including screwing up bolt, spring holder, supporting spring, damping rubber sleeve, set screw, threaded connection set screw 6 is passed through at the top of electric vacuum pump connection feet 7, set screw 6's top is connected and is screwed up bolt 1, the outside cover that is located screwing up bolt 1 is equipped with spring holder 2, the upper portion cover that is located spring holder 2 is equipped with supporting spring 3, the lower part cover of spring holder 2 is equipped with damping rubber sleeve 4, supporting spring 3's top butt spring holder 2's top below, supporting spring 3's bottom butt damping rubber sleeve 4.
The top of the damping rubber sleeve 4 is provided with a circular truncated cone-shaped groove 4-1, and the inner side of the middle part of the damping rubber sleeve 4 is provided with a damping groove 4-2; the middle outer edge of the vibration damping rubber sleeve 4 is provided with a limiting clamping groove 4-3 matched with the bracket 5.
The bottom of the tightening bolt 1 is screwed to the top of the fixing screw 6.
The spring seat 2 is in a T-shaped sleeve structure.
The support 5 is of a square panel structure, and mounting holes for mounting the vibration reduction rubber sleeve 4 are formed in the periphery of the support 5.
The fixing screw 6 is a self-tapping screw and is fixed on an electric vacuum pump connecting pin 7 of the electric vacuum pump; the tightening bolt 1 tightens the spring seat 2 on the fixing screw 6, and the tail of the tightening bolt 1 is loose-proof by using thread sealant. The damping rubber sleeve 4 is fixed on a support 5 connected with a vehicle body part in a clamping groove limiting mode, the damping rubber sleeve 4 is in a shape shown in figure 1, the middle part of the damping rubber sleeve is of a hollow structure, a damping groove 4-2 is formed in the damping rubber sleeve, and a gap exists between the damping rubber sleeve and the spring seat 2. The upper and lower portions have a plurality of vibration-damping grooves 4-2 having a triangular or diamond shape or a circular shape. The material of the damping rubber sleeve 4 is modified natural rubber NR or silica gel or SBR/EPDM. The supporting spring 3 is compressed, the weight of the electric vacuum pump is supported by the elastic force, and gaps exist among the upper and lower parts of the vibration reduction rubber sleeve 4, the spring seat 2 and the fixing screw 6.
Under the static working condition of the bracket 5, in the vertical direction, the damping mechanism uses the spring force to support the electric vacuum pump, only the spring supports the electric vacuum pump, and the damping rubber sleeve 4 is not in contact with the electric vacuum pump. The lateral damping rubber is also free from contact with the spring seat 2. The vibration of the electric vacuum pump is isolated from the bracket. When the support 5 vibrates, the spring force is overcome, and the vibration reduction groove 4-2 part at the upper, middle and lower parts of the vibration reduction rubber sleeve 4 is contacted with the spring seat 2 and the fixing screw 6 on the electric vacuum pump, so that the relative vibration of the electric vacuum pump and the support 5 is limited. The vibration of the electric vacuum self-vibration is well isolated from the vehicle body, and the vibration reduction effect is good.
Claims (5)
1. The utility model provides an electric vacuum pump damping mechanism, includes electric vacuum pump connection foot, its characterized in that: electric vacuum pump is equipped with 4 electric vacuum pump connection foot (7), electric vacuum pump connection foot (7) on adopt support (5) to connect damping mechanism, damping mechanism including screwing up bolt, spring holder, supporting spring, damping rubber sleeve, set screw, threaded connection set screw (6) are passed through at the top of electric vacuum pump connection foot (7), screw up bolt (1) is connected at the top of set screw (6), the outside cover that is located screwing up bolt (1) is equipped with spring holder (2), the upper portion cover that is located spring holder (2) is equipped with supporting spring (3), the lower part cover of spring holder (2) is equipped with damping rubber sleeve (4), the top below of top butt spring holder (2) of supporting spring (3), the bottom butt damping rubber sleeve (4) of supporting spring (3).
2. The vibration damping mechanism for an electric vacuum pump according to claim 1, wherein: a circular truncated cone-shaped groove (4-1) is formed in the top of the vibration damping rubber sleeve (4), and a vibration damping groove (4-2) is formed in the inner side of the middle of the vibration damping rubber sleeve (4); the middle outer edge of the damping rubber sleeve (4) is provided with a limit slot (4-3) matched with the bracket (5).
3. The vibration damping mechanism for an electric vacuum pump according to claim 1, wherein: the bottom of the tightening bolt (1) is connected with the top of the fixing screw (6) through threads.
4. The vibration damping mechanism for an electric vacuum pump according to claim 1, wherein: the spring seat (2) is of a T-shaped sleeve structure.
5. The vibration damping mechanism for an electric vacuum pump according to claim 1, wherein: the support (5) is of a square panel structure, and mounting holes for mounting the vibration reduction rubber sleeves (4) are formed in the periphery of the support (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020875293.9U CN212804066U (en) | 2020-05-22 | 2020-05-22 | Electric vacuum pump damping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020875293.9U CN212804066U (en) | 2020-05-22 | 2020-05-22 | Electric vacuum pump damping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212804066U true CN212804066U (en) | 2021-03-26 |
Family
ID=75092348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020875293.9U Active CN212804066U (en) | 2020-05-22 | 2020-05-22 | Electric vacuum pump damping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212804066U (en) |
-
2020
- 2020-05-22 CN CN202020875293.9U patent/CN212804066U/en active Active
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