CN113135169A - Vibration reduction block for vacuum pump and vacuum pump assembly - Google Patents
Vibration reduction block for vacuum pump and vacuum pump assembly Download PDFInfo
- Publication number
- CN113135169A CN113135169A CN202010061020.5A CN202010061020A CN113135169A CN 113135169 A CN113135169 A CN 113135169A CN 202010061020 A CN202010061020 A CN 202010061020A CN 113135169 A CN113135169 A CN 113135169A
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- China
- Prior art keywords
- vacuum pump
- mounting lug
- mounting
- block
- vibration reduction
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- Pending
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- 238000013016 damping Methods 0.000 claims abstract description 41
- 239000013013 elastic material Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract 6
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/24—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
- B60T13/46—Vacuum systems
- B60T13/52—Vacuum systems indirect, i.e. vacuum booster units
- B60T13/567—Vacuum systems indirect, i.e. vacuum booster units characterised by constructional features of the casing or by its strengthening or mounting arrangements
- B60T13/5675—Supportstruts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/02—Arrangements of pumps or compressors, or control devices therefor
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The invention provides a vibration reduction block for a vacuum pump and a vacuum pump assembly. The vacuum pump is including the installation ear, the installation ear is including installation ear body and installation ear tip, the damping piece is including the damping piece body, be provided with on the damping piece body with the mounting hole that the installation ear body corresponds, the installation ear body install in the mounting hole, be equipped with the extension on the damping piece body, the extension certainly the damping piece body is kept away from vacuum pump one end is along radially extending the formation. According to the invention, by optimizing the structure of the vibration reduction block, the pump body of the vacuum pump is fully contacted with the vibration reduction block, the buffer stroke is increased, the impact force of the pump body on the fixed support is reduced, and the vacuum pump and the fixed support are fully protected. Meanwhile, the vacuum pump assembly using the vibration damping block has excellent anti-seismic performance, can ensure the normal function of the brake module during the running of the vehicle, and reduces the noise of the vehicle.
Description
Technical Field
The invention relates to the technical field of vacuum pumps, in particular to a vibration reduction block for a vacuum pump and a vacuum pump assembly.
Background
Vacuum pumps are an important part of automotive auxiliary brake systems. In the prior art, a vacuum pump consists of a vacuum pump body, a shock absorber and a vacuum pump fixing support. In the impact test, if the impact force of the pump body is too large, the shock absorber cannot effectively buffer the impact force of the pump body, and the fixed support of the vacuum pump can be broken. If the support breaks, the function of the vacuum pump is affected, the braking performance of the automobile is further affected, and hidden dangers are brought to driving safety. Simultaneously, if the support produces the fracture, can produce extra vibrations and noise, bring whole car NVH problem.
Disclosure of Invention
In order to solve the above problems, the present invention provides a vibration damping block for a vacuum pump and a vacuum pump assembly. The damping piece can effectively cushion the impact of the vacuum pump body on the fixed support, avoids the fracture failure of the fixed support, and the vacuum pump assembly comprising the damping piece has excellent shock resistance, can effectively eliminate the potential safety hazard of vehicles and solve the NVH problem of the whole vehicle.
The vacuum pump comprises a vacuum pump body and a mounting lug formed by extending outwards from the vacuum pump body, the mounting lug comprises a mounting lug body and a mounting lug end portion, the vibration reduction block comprises a vibration reduction block body, a mounting hole corresponding to the mounting lug body is formed in the vibration reduction block body, the mounting lug body is mounted in the mounting hole, an extension portion is arranged on the vibration reduction block body, and the extension portion is formed by extending from one end, far away from the vacuum pump body, of the vibration reduction block body in the radial direction.
Preferably, a surface of the extension portion on a side toward the mounting lug end is matched in shape with the mounting lug end.
Preferably, the surface of the extension portion facing the end portion of the mounting lug entirely covers the end portion of the mounting lug.
Preferably, the extension portion forms a through hole around the end portion of the mounting lug, and the through hole is coaxially arranged with the mounting hole.
Preferably, the mounting hole is in interference fit with the mounting ear body.
Preferably, the damper block body and the extension portion are integrally made of an elastic material.
Another aspect of the present invention provides a vacuum pump assembly, which includes a vacuum pump and a fixing bracket, and further includes the above-mentioned vibration damping block.
Preferably, the vacuum pump is detachably connected with the fixed support, the vibration reduction block is fixed between the vacuum pump and the fixed support, the vibration reduction block is sleeved on the mounting lug body, and the extension part is located between the end part of the mounting lug and the fixed support.
Preferably, a surface of the extension portion facing the end portion of the mounting lug abuts against the end portion of the mounting lug.
Preferably, the end face of the extension part far away from the vacuum pump is attached to the fixing bracket.
According to the invention, the extension part is additionally arranged on the basis of the existing damping block for the vacuum pump, so that the structure of the damping block is optimized, the pump body of the vacuum pump can be in full contact with the damping block in the impact process, and the buffer stroke is increased, so that the damping block can fully buffer the impact of the pump body of the vacuum pump on the fixed support, the impact of the pump body on the fixed support is reduced, and the vacuum pump and the fixed support are fully protected. In addition, the vibration reduction block is simple in structure, has no great influence on the existing production process, and can effectively control the production cost. Meanwhile, the vacuum pump assembly using the vibration damping block has excellent anti-seismic performance, can ensure the normal function of the brake module during the running of the vehicle, and simultaneously reduces the noise of the vehicle.
Drawings
FIG. 1 is an exploded view of a vacuum pump assembly in accordance with a preferred embodiment of the present invention;
FIG. 2 is a schematic perspective view of the vacuum pump of FIG. 1
FIG. 3 is a schematic perspective view of the damper block of FIG. 1;
FIG. 4 is a front view of the damper block of FIG. 3;
FIG. 5 is a schematic structural view of a section G-G of the damper block of FIG. 3;
figure 6 is a cross-sectional view of the vacuum pump assembly of figure 1 where the vacuum pump and damper block are mounted.
Reference numerals:
10-vibration damping block, 110-vibration damping block body, 120-mounting hole, 130-extension part, 131-through hole,
20-vacuum pump, 210-vacuum pump body, 220-mounting lug, 221-mounting lug body, 222-mounting lug end,
and 30, fixing the bracket.
Detailed Description
The advantages of the invention are explained in detail below with reference to the drawings and the embodiments.
The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be interpreted broadly, and may be, for example, a mechanical connection or an electrical connection, a communication between two elements, a direct connection, or an indirect connection via an intermediate medium, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
Fig. 1 is an exploded view of a vacuum pump assembly according to an embodiment of the present invention, which includes a vacuum pump 20, a vibration damping block 10, and a fixing bracket 30.
The vacuum pump 20 includes a vacuum pump body 210 and a mounting lug 220 formed by extending outward from the vacuum pump body 210, referring to fig. 2, the mounting lug 220 includes a mounting lug body 221 and a mounting lug end 222, an end surface of the mounting lug end 222 away from the vacuum pump 20 is an arc surface, and an end surface of the mounting lug end 222 away from the vacuum pump 20 may also be another shape such as a spherical surface, which is not limited in the present invention. The vacuum pump 20 is detachably connected to the fixing bracket 30, in this embodiment, the vacuum pump 20 is connected to the fixing bracket 30 by a bolt, in other embodiments, the vacuum pump 20 is connected to the fixing bracket 30 by another way, such as a snap, and the invention is not limited thereto.
The vibration damping block 10 is provided with a mounting hole 120, and the vibration damping block 10 is sleeved on the mounting lug 220 through the mounting hole 120 and fixed between the vacuum pump 20 and the fixing bracket 30. In other embodiments, the damper block 10 is sleeved on the vacuum pump 20, and is not limited to be used in the vacuum pump assembly in this embodiment, and the present invention is not limited thereto.
Referring to fig. 3 to 5, the damper block 10 includes a damper block body 110, a mounting hole 120 corresponding to the mounting ear body 221 is formed in the damper block body 110, and the mounting ear body 221 is mounted in the mounting hole 120. On the basis of the prior art, the damper block body 110 is provided with an extension portion 130, and the extension portion 130 is formed by extending from one end of the damper block body 110, which is far away from the vacuum pump body 210, in a radial direction, that is, from one end of the damper block body 110, which is far away from the vacuum pump body 210, towards the inside of the mounting hole 120. The extending direction of the extending portion 130 may extend along the axial direction of the mounting hole 120, or may extend along the surface of the mounting ear end 222 and the side of the extending portion facing the mounting ear end 222 matches the shape of the mounting ear end 222, and the invention is not limited thereto. The thickness of the damper mass 10 can thereby be locally increased, thereby increasing the damping distance of the damper mass 10. Preferably, in this embodiment, the extension 130 forms a through hole 131 around the mounting ear 222.
In this embodiment, the damper block 10 is integrally made of a rubber material. In other embodiments, the damper block body 110 and the extension portion 130 may be integrally formed of other elastic materials, which is not limited in the present invention.
Fig. 6 is a cross-sectional view of the vacuum pump assembly of the present embodiment at the connection between the vacuum pump 20 and the damper block 10. In this embodiment, the mounting hole 120 is in interference fit with the body of the mounting ear 220. The surface of the extension 130 facing the mounting ear end 222 matches the shape of the mounting ear end 222, and in this embodiment, the surface of the extension 130 facing the mounting ear end 222 and the end face of the arc surface of the mounting ear end 222 are fitted to each other. Preferably, in this embodiment, the through hole 131 is coaxially disposed with the mounting hole 120, so that the force applied to the damper block 10 is more uniform. The end surface of the extension 130 away from the vacuum pump 20 is attached to the fixing bracket 30. In some embodiments, the extension 130 may completely cover the mounting ear portion 222, and a surface of the extension 130 facing the mounting ear portion 222 completely fits the mounting ear portion 222.
In the vibration damping block 10 in the embodiment, the extension part 130 is additionally arranged on the vibration damping block body 110, so that the thickness of the vibration damping block 10 is locally increased, and a buffer area is formed between the mounting lug end part 222 and the fixing support 30, thereby avoiding the fixing support of the fixing support 30 from being broken due to the direct impact of the mounting lug end part 222 on the fixing support 30, and further increasing the buffer distance of the vibration damping block; meanwhile, the extension part 130 is in full contact with the mounting lug 220, so that the contact area between the vibration damping block 10 and the mounting lug 220 is increased, and the impact of the vacuum pump body on the fixing bracket 30 can be fully reduced. In addition, the vibration damping block 10 has a simple structure, does not have a large influence on the existing production process, and can effectively control the production cost.
The vacuum pump assembly in this embodiment, including the above-mentioned vibration damping block 10, the vibration damping block 10 can effectively absorb the impact energy of the vacuum pump body to the fixing bracket 30, and reduce the destructive force transmitted to the fixing bracket 30, so that the vacuum pump assembly has excellent shock resistance and stability. The normal function of the brake module can be ensured during the running of the vehicle, and the noise of the vehicle can be reduced.
The embodiments of the present invention have been described in detail, but the embodiments are merely examples, and the present invention is not limited to the embodiments described above. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, equivalent changes and modifications made without departing from the spirit and scope of the present invention should be covered by the present invention.
Claims (9)
1. A vibration damping block for a vacuum pump, the vacuum pump comprises a vacuum pump body and a mounting lug formed by extending outwards from the vacuum pump body, the mounting lug comprises a mounting lug body and a mounting lug end part, the vibration damping block comprises a vibration damping block body, a mounting hole corresponding to the mounting lug body is arranged on the vibration damping block body, the mounting lug body is mounted in the mounting hole, and the vibration damping block is characterized in that,
the vibration reduction block body is provided with an extension part, and the extension part is formed by extending from one end, far away from the vacuum pump body, of the vibration reduction block body along the radial direction.
2. The damping mass of claim 1,
the surface of the extending part facing to the side of the mounting ear end part is matched with the shape of the mounting ear end part.
3. The damping mass of claim 2,
the surface of the extending part facing to one side of the end part of the mounting lug completely covers the end part of the mounting lug.
4. The damping mass of claim 2,
the extension part surrounds the end part of the mounting lug to form a through hole, and the through hole and the mounting hole are coaxially arranged.
5. The damping mass of claim 2,
the mounting hole is in interference fit with the mounting lug body.
6. A damping mass according to any of claims 1 to 5,
the vibration reduction block body and the extension part are integrally made of elastic materials.
7. A vacuum pump assembly comprises a vacuum pump and a fixed bracket, and is characterized in that,
comprising a damping mass according to any one of claims 1 to 6;
the vacuum pump is detachably connected with the fixed support, and the vibration reduction block is fixed between the vacuum pump and the fixed support;
the damping block is sleeved on the mounting lug body, and the extension part is located between the end part of the mounting lug and the fixed support.
8. A vacuum pump assembly according to claim 7,
the surface of the extending part facing one side of the end part of the mounting lug is attached to the end part of the mounting lug.
9. A vacuum pump assembly according to claim 7,
the end face, far away from the vacuum pump, of the extension part is attached to the fixing support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010061020.5A CN113135169A (en) | 2020-01-19 | 2020-01-19 | Vibration reduction block for vacuum pump and vacuum pump assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010061020.5A CN113135169A (en) | 2020-01-19 | 2020-01-19 | Vibration reduction block for vacuum pump and vacuum pump assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113135169A true CN113135169A (en) | 2021-07-20 |
Family
ID=76808983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010061020.5A Pending CN113135169A (en) | 2020-01-19 | 2020-01-19 | Vibration reduction block for vacuum pump and vacuum pump assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113135169A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101614889A (en) * | 2009-07-15 | 2009-12-30 | 无锡夏普电子元器件有限公司 | A kind of mounting ear structure of LCD display module of modified band metal frame |
| CN207315666U (en) * | 2017-08-18 | 2018-05-04 | 宁波沃德纳汽车零部件有限公司 | A kind of novel electron vacuum pump applied to automobile |
| CN108799122A (en) * | 2018-06-13 | 2018-11-13 | 宁波沃德纳汽车部件有限公司 | A kind of novel electron vacuum pump applied to automobile |
| CN110155016A (en) * | 2019-05-27 | 2019-08-23 | 奇瑞商用车（安徽）有限公司 | A kind of vibration and noise reducing vacuum pump support structure |
| CN211642149U (en) * | 2020-01-19 | 2020-10-09 | 上海海拉电子有限公司 | Vibration reduction block for vacuum pump and vacuum pump assembly |
-
2020
- 2020-01-19 CN CN202010061020.5A patent/CN113135169A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101614889A (en) * | 2009-07-15 | 2009-12-30 | 无锡夏普电子元器件有限公司 | A kind of mounting ear structure of LCD display module of modified band metal frame |
| CN207315666U (en) * | 2017-08-18 | 2018-05-04 | 宁波沃德纳汽车零部件有限公司 | A kind of novel electron vacuum pump applied to automobile |
| CN108799122A (en) * | 2018-06-13 | 2018-11-13 | 宁波沃德纳汽车部件有限公司 | A kind of novel electron vacuum pump applied to automobile |
| CN110155016A (en) * | 2019-05-27 | 2019-08-23 | 奇瑞商用车（安徽）有限公司 | A kind of vibration and noise reducing vacuum pump support structure |
| CN211642149U (en) * | 2020-01-19 | 2020-10-09 | 上海海拉电子有限公司 | Vibration reduction block for vacuum pump and vacuum pump assembly |
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