CN206017102U - The check valve assembly of electric vacuum pump of automobile - Google Patents
The check valve assembly of electric vacuum pump of automobile Download PDFInfo
- Publication number
- CN206017102U CN206017102U CN201621025710.0U CN201621025710U CN206017102U CN 206017102 U CN206017102 U CN 206017102U CN 201621025710 U CN201621025710 U CN 201621025710U CN 206017102 U CN206017102 U CN 206017102U
- Authority
- CN
- China
- Prior art keywords
- check valve
- valve body
- valve piece
- exhaust
- inlet channel
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- Expired - Fee Related
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Abstract
This utility model is related to a kind of auto parts machinery, more particularly to a kind of check valve assembly of electric vacuum pump of automobile.Technical scheme is：A kind of check valve assembly of electric vacuum pump of automobile, include check valve body, inlet channel and exhaust passage in check valve body, inlet channel and exhaust passage are respectively equipped with breather check valve piece and exhaust check valve piece with the end of connecting cavity conducting, inlet channel and exhaust passage are located at breather check valve piece and the installation place of exhaust check valve piece is provided with check valve body flexible gasket, the through hole turned on connecting cavity for inlet channel and exhaust passage is offered on the check valve body flexible gasket, breather check valve piece and exhaust check valve piece are connected with check valve body by the check valve body flexible gasket respectively.Using above-mentioned technical proposal, there is provided a kind of reduction or eliminate work when exist noise, good airproof performance, reduce production cost, the check valve assembly of the electric vacuum pump of automobile of simple structure.
Description
Technical field
This utility model is related to a kind of auto parts machinery, more particularly to a kind of check valve assembly of electric vacuum pump of automobile.
Background technology
Electric vacuum pump is the vacuum source of vacuum automobile water brake, force aid system, its mainly by motor, be set up in electricity
The longitudinal direction of pump case, pump case on machine is respectively arranged at two ends with construction opening, is respectively equipped with check valve body and cylinder sleeve at two construction openings,
The piston component with motor linkage is provided with cylinder sleeve.
Traditional check valve is included check valve body, the connecting cavity for being located in check valve body and being connected with cylinder sleeve and is divided
The inlet channel not connected with connecting cavity and exhaust passage.The end difference that inlet channel and exhaust passage are turned on connecting cavity
Be provided with breather check valve piece and exhaust check valve piece, when the vacuum pump in the course of the work, in the presence of air-flow and air pressure, enter
Gas check valve sheet and exhaust check valve sector-meeting are persistently collided with check valve body, can produce larger noise, generally during collision
Noise reduction valve can be set at the exhaust passage of check valve body, however, noise reduction valve only can reduce noise to a certain extent, not from
Abate the noise in root.And traditional noise reduction valve is independently installed part in check valve body, the system of its processing and product
One property is difficult to ensure that.
Content of the invention
In view of the shortcomings of the prior art, this utility model is there is provided making an uproar for existing when a kind of reduction or elimination work
Sound, good airproof performance, reduction production cost, the check valve assembly of the electric vacuum pump of automobile of simple structure.
For achieving the above object, this utility model provides following technical scheme：A kind of automobile electricity
The check valve assembly of dynamic vacuum pump, includes check valve body, the company for being located in check valve body and being connected with cylinder sleeve
Chamber and the inlet channel for connecting respectively and exhaust passage, inlet channel and exhaust passage and connecting cavity conducting is connect with connecting cavity
End is respectively equipped with breather check valve piece and exhaust check valve piece, it is characterised in that：Described inlet channel and exhaust passage
Be located at breather check valve piece and exhaust check valve piece installation place be provided be connected with inlet channel and exhaust passage clamping respectively and
Outer peripheral face and inlet channel and the check valve body flexible gasket of passageway seals, open up on the check valve body flexible gasket
There are the through hole turned on for inlet channel and exhaust passage, breather check valve piece and exhaust check valve piece with connecting cavity respectively by being somebody's turn to do
Check valve body flexible gasket is connected with check valve body.
Using above-mentioned technical proposal, logical with air inlet by being respectively provided with the inlet channel of check valve body and exhaust passage
The check valve body flexible sealing gasket of all face seals of road and exhaust passage, and by breather check valve piece and exhaust check valve piece
It is respectively arranged on check valve body flexible sealing gasket, in the course of the work, breather check valve piece and exhaust check valve piece are by original
Have with check valve body implement repeatedly collide change turn to and check valve body flexible sealing gasket implement collision, due to check valve body soft
Property sealing gasket be flexible rubber bodies, therefore, breather check valve piece and exhaust check valve piece and check valve body flexible sealing gasket
Between collision when the noise that produces is less or noiselessness, so arrange and implement improvement from the source that noise occurs, from
And the generation of noise has been reduced or avoided.
This utility model is further arranged to：At the other end on exhaust passage relative to setting exhaust check valve piece one end
It is provided with and the dismountable venting plug in exhaust passage, on venting plug, offers the steam vent with turned on outside for exhaust passage,
Noise damping space is provided between exhaust check valve piece and venting plug, compression Pilus Caprae seu Oviss noise reduction block in the noise damping space, is provided with.
Wherein, compression Pilus Caprae seu Oviss noise reduction block limited step is provided with noise damping space, compresses one end and the limit of Pilus Caprae seu Oviss noise reduction block
Position step is contradicted, and the other end is contradicted with venting plug.
Using above-mentioned technical proposal, the setting of noise damping space and venting plug in check valve body exhaust passage can be used to put
Putting reduces the compression Pilus Caprae seu Oviss noise reduction block of noise, for reducing or eliminating making an uproar produced by check valve body air-intake valve plate in check valve body
Pilus Caprae seu Oviss are compressed into blocks, are on the one hand easily installed by sound, and for Pilus Caprae seu Oviss the amount of inserting can control, it is to avoid occur inserting
Very few occur that noise reduction is poor, and input excessively causes the closure of exhaust passage, make vacuum pump cannot normal extracting vacuum situation.
And without the need for separately setting the valve body for reducing or abate the noise in this utility model embodiment, the valve body is substituted by exhaust passage,
And the part of noise reduction is directly arranged in exhaust passage, production cost is not only reduced, and make filling out for noise damping space and Pilus Caprae seu Oviss
Entering measurer has uniformity, is easy to process.
This utility model is further set to：Offer on check valve body flexible gasket for breather check valve piece and row
The one end of the connecting hole of gas check valve sheet connection, breather check valve piece and exhaust check valve piece towards check valve body flexible gasket
Be provided with the connecting rod for extending in connecting hole and can moving along connecting hole axial reciprocating, connecting rod relative to breather check valve piece
And exhaust check valve piece connects.
Using above-mentioned technical proposal, so arrange that to make breather check valve piece and exhaust check valve piece pass through check valve body soft
While property gasket seal is connected with check valve body, breather check valve piece and exhaust check valve piece can be also made normally to implement work
Make, in the course of the work, breather check valve piece and exhaust check valve piece are by connecting rod thereon and check valve body flexible sealing
Pad is moved back and forth, and when breather check valve piece and exhaust check valve piece are fitted with check valve body flexible gasket, through hole is in
Sealing state, and breather check valve piece and exhaust check valve piece are when separating with check valve body flexible sealing gasket, then air-flow can be by
Through hole is into or out, and the setting of limited block is then to prevent breather check valve piece and exhaust check valve piece and check valve body
Flexible sealing gasket departs from.
This utility model is further set to：The inlet channel of check valve body is relative to setting breather check valve piece one end
The other end be upstream end, be provided with the entrance input channel with the perpendicular shape UNICOM of inlet channel at the inlet end, enter input
The entrance jointing of straight-tube shape is provided with passage, and the outer peripheral face of jointing is provided with several installations that installs for sealing ring
Groove.
Using above-mentioned technical proposal, such setting structure is simple, in process, without the need for as traditional vacuum pump
Processing processing hole corresponding with inlet channel, so as to reduce seal point, improves sealing property；Jointing is straight-tube shape,
It is not only convenient for installing, and the sealing after installing is protected.
Below in conjunction with the accompanying drawings this utility model is further described.
Description of the drawings
Schematic perspective views of the Fig. 1 for this utility model embodiment；
Structural representations of the Fig. 2 for this utility model embodiment；
A-A generalized sections of the Fig. 3 for Fig. 2；
B-B generalized sections of the Fig. 4 for Fig. 2.
Specific embodiment
A kind of check valve assembly of the electric vacuum pump of automobile as shown in Fig. 1 Fig. 4, includes
Check valve body 1, the connecting cavity 11 that can be connected with cylinder sleeve and connect in the check valve body 1 and with connecting cavity 11 respectively
The end that logical inlet channel 12 and exhaust passage 13, inlet channel 12 and exhaust passage 13 are turned on connecting cavity 11 is set respectively
There are breather check valve piece 2 and exhaust check valve piece 3, inlet channel 12 and exhaust passage 13 to be located at breather check valve piece 2 and aerofluxuss
The installation place of check valve sheet 3 is provided with
And the check valve body flexible gasket 4 of the sealing of exhaust passage 13, offer on the check valve body flexible gasket 4 and supply inlet channel
12 and the through hole 41 of exhaust passage 13 and the conducting of connecting cavity 11, breather check valve piece 2 and exhaust check valve piece 3 pass through the list respectively
It is connected to valve body flexible gasket 4 with check valve body 1.In such scheme, by the inlet channel 12 in check valve body 1 and aerofluxuss
The check valve body flexible sealing gasket 4 with all face seals of inlet channel 12 and exhaust passage 13 is respectively provided with passage 13, with
And breather check valve piece 2 and exhaust check valve piece 3 are respectively arranged on check valve body flexible sealing gasket 4, in the course of work
In, breather check valve piece 2 and exhaust check valve piece 3 are implemented collision change with check valve body 1 and are turned to and check valve repeatedly by original
Body flexible sealing gasket 4 implements collision, as check valve body flexible gasket 4 is flexible rubber bodies, therefore, breather check valve
The noise that produces during collision between piece 2 and exhaust check valve piece 3 and check valve body flexible sealing gasket 4 is less or without making an uproar
Sound, so arranges and implements improvement from the source that noise occurs, so as to the generation of noise has been reduced or avoided.
In this utility model embodiment, relative to the other end for arranging 3 one end of exhaust check valve piece on exhaust passage 13
Place is provided with and 13 dismountable venting plug 5 of exhaust passage, is offered for exhaust passage 13 and turned on outside on venting plug 5
Steam vent 51, is provided with noise damping space 14 between exhaust check valve piece 3 and venting plug 5, be provided with compression sheep in the noise damping space 14
Hair noise reduction block 6.Is provided with the limited step 15 of compression Pilus Caprae seu Oviss noise reduction block 6 in noise damping space 14, compress one end of Pilus Caprae seu Oviss noise reduction block 6 with
The limited step 15 is contradicted, and the other end is contradicted with venting plug 5.Noise damping space 14 and row in 1 exhaust passage 13 of check valve body
The setting of gas plug 5 can be used to place the compression Pilus Caprae seu Oviss noise reduction block 6 for reducing noise, single in check valve body 1 for reducing or eliminating
To the noise produced by valve body air-intake valve plate 2, Pilus Caprae seu Oviss are compressed into blocks, are on the one hand easily installed, and for Pilus Caprae seu Oviss
The amount of inserting can control, it is to avoid occur inserting very few occur that noise reduction is poor, input excessively causes the closure of exhaust passage 13, makes very
Empty pump cannot normal extracting vacuum situation.And without the need for separately set for reducing or abate the noise in this utility model embodiment
Valve body, the valve body are substituted by exhaust passage 13, and the part of noise reduction is directly arranged in exhaust passage 13, is not only reduced and is produced into
This, and make noise damping space 14 and the measurer of inserting of Pilus Caprae seu Oviss have uniformity, it is easy to process.
Offer for breather check valve piece 2 and aerofluxuss on check valve body flexible gasket 4 in this utility model embodiment
The connecting hole 42 of the connection of check valve sheet 3, breather check valve piece 2 and exhaust check valve piece 3 are towards check valve body flexible gasket 4
One end is provided with the connecting rod 21 for extending in connecting hole 42 and can moving along 42 axial reciprocating of connecting hole, connecting rod 21 relative to
Limited block 22 is provided with the other end of breather check valve piece 2 and the connection of exhaust check valve piece 3 one end.So arranging makes air inlet unidirectional
While valve block 2 and exhaust check valve piece 3 can be connected with check valve body 1 by check valve body flexible sealing gasket 4, can also make into
Gas check valve sheet 2 and exhaust check valve piece 3 can normally implementation, in the course of the work, breather check valve piece 3 and aerofluxuss list
Moved back and forth with check valve body flexible gasket 4 to valve block 3 by connecting rod 21 thereon, as breather check valve piece 2 and row
When gas check valve sheet 3 is fitted with check valve body flexible gasket 4, through hole 41 is in sealing state, and breather check valve piece 2 and row
When gas check valve sheet 3 is separated with check valve body flexible sealing gasket 4, then air-flow can be into or out by through hole 41, limited block
22 setting is then to prevent breather check valve piece 2 and exhaust check valve piece 3 and check valve body flexible sealing gasket 4 from departing from.
The inlet channel 12 of the check valve body 1 in this utility model embodiment is relative to 2 one end of setting breather check valve piece
The other end be upstream end, be provided with the entrance input channel 121 with 12 perpendicular shape UNICOM of inlet channel at the inlet end, enter
The entrance jointing 7 of straight-tube shape is provided with input channel 121, and the outer peripheral face of jointing 7 is provided with several and supplies sealing ring
The mounting groove 71 of installation.Above-mentioned setting in process, without the need for process as traditional vacuum pump and inlet channel 12 pairs
The processing hole that answers, so as to reduce seal point, improves sealing property；Jointing 7 is straight-tube shape, is not only convenient for installing, and
And the sealing after installing is protected.
Claims (6)
1. a kind of check valve assembly of electric vacuum pump of automobile, includes check valve body, in check valve body and can be with cylinder sleeve
The connecting cavity of connection and the inlet channel for connecting with connecting cavity respectively and exhaust passage, inlet channel and exhaust passage and connection
The end of chamber conducting is respectively equipped with breather check valve piece and exhaust check valve piece, it is characterised in that：Described inlet channel and
Exhaust passage be located at the installation place of breather check valve piece and exhaust check valve piece be provided with respectively with inlet channel and exhaust passage card
Connect in succession and outer peripheral face and inlet channel and the check valve body flexible gasket of passageway seals, the check valve body flexible sealing
The through hole turned on connecting cavity for inlet channel and exhaust passage, breather check valve piece and exhaust check valve piece point is offered on pad
Not Tong Guo the check valve body flexible gasket be connected with check valve body.
2. the check valve assembly of electric vacuum pump of automobile according to claim 1, it is characterised in that：Described exhaust passage
On be provided with and the dismountable venting plug in exhaust passage, venting plug at the other end of exhaust check valve piece one end relative to arranging
On offer steam vent for exhaust passage and turned on outside, be provided with noise damping space between exhaust check valve piece and venting plug,
Compression Pilus Caprae seu Oviss noise reduction block is provided with the noise damping space.
3. the check valve assembly of electric vacuum pump of automobile according to claim 2, it is characterised in that：Described noise damping space
Compression Pilus Caprae seu Oviss noise reduction block limited step is inside provided with, one end and limited step conflict, the other end and the row of Pilus Caprae seu Oviss noise reduction block is compressed
Gas plug is contradicted.
4. the check valve assembly of the electric vacuum pump of automobile according to claim 1 or 2 or 3, it is characterised in that：Described list
The connecting hole connected for breather check valve piece and exhaust check valve piece, breather check valve piece is offered on valve body flexible gasket
And exhaust check valve piece is provided with towards one end of check valve body flexible gasket and extends in connecting hole and can be along connecting hole axial direction
The connecting rod for moving back and forth, connecting rod are set relative to being connected at the other end of one end with breather check valve piece and exhaust check valve piece
Limited location block.
5. the check valve assembly of the electric vacuum pump of automobile according to claim 1 or 2 or 3, it is characterised in that：Described list
It is upstream end to the inlet channel of valve body relative to the other end of setting breather check valve piece one end, is provided with the inlet end and enters
The entrance input channel of the perpendicular shape UNICOM of gas passage, enters the entrance jointing for being provided with straight-tube shape at input channel, connection
The outer peripheral face of joint is provided with the mounting groove that several are installed for sealing ring.
6. the check valve assembly of electric vacuum pump of automobile according to claim 4, it is characterised in that：Described check valve body
Inlet channel be upstream end relative to the other end of breather check valve piece one end is arranged, be provided with the inlet end and inlet channel
The entrance input channel of perpendicular shape UNICOM, enters the entrance jointing for being provided with straight-tube shape at input channel, jointing
Outer peripheral face is provided with the mounting groove that several are installed for sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621025710.0U CN206017102U (en) | 2016-08-31 | 2016-08-31 | The check valve assembly of electric vacuum pump of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621025710.0U CN206017102U (en) | 2016-08-31 | 2016-08-31 | The check valve assembly of electric vacuum pump of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206017102U true CN206017102U (en) | 2017-03-15 |
Family
ID=58258442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621025710.0U Expired - Fee Related CN206017102U (en) | 2016-08-31 | 2016-08-31 | The check valve assembly of electric vacuum pump of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206017102U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555664A (en) * | 2018-12-05 | 2019-04-02 | 厦门宏发汽车电子有限公司 | A kind of pre- silencing means and electronic vacuum pump for electronic vacuum pump |
-
2016
- 2016-08-31 CN CN201621025710.0U patent/CN206017102U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555664A (en) * | 2018-12-05 | 2019-04-02 | 厦门宏发汽车电子有限公司 | A kind of pre- silencing means and electronic vacuum pump for electronic vacuum pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 Termination date: 20180831 |