CN205824261U - A kind of Pcv valve assembly - Google Patents
A kind of Pcv valve assembly Download PDFInfo
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- CN205824261U CN205824261U CN201620760376.7U CN201620760376U CN205824261U CN 205824261 U CN205824261 U CN 205824261U CN 201620760376 U CN201620760376 U CN 201620760376U CN 205824261 U CN205824261 U CN 205824261U
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- valve
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- pcv valve
- pcv
- projection
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Abstract
The utility model discloses a kind of Pcv valve assembly, belong to valve equipment technical field, including valve seat (1), valve gap (2), Pcv valve diaphragm (3) and spring (4), at described Pcv valve diaphragm (3), circular seal block (7), sealing ring (8) and flexible sheet (9) are set, arranging the first projection (10) on valve seat (1) corresponding with valve gap (2) the first groove (11) position around, upper second groove of valve seat (1) (12) is corresponding with valve gap (2) the second projection (13) position around；This utility model can effectively prevent gas blowby from entering air, prevents machine oil from going bad simultaneously, and simple in construction, convenient for installation and maintenance, Pcv valve diaphragm seal is effective, and service life is long.
Description
Technical field
This utility model belongs to valve equipment technical field, in particulars relate to a kind of a kind of Pcv valve for automobile engine
Assembly.
Background technology
Currently the majority automobile is equipped with Pcv valve, is mounted between crankcase ventilation system and gas handling system, promotes to send out
A kind of valve of motivation ventilation.
In the prior art, in filing date on October 14th, 2009, the middle promulgated by the State Council of Application No. 200910193040.1
Bright patent discloses a kind of diaphragm type PCV valve, including the housing of hollow, is provided with diaphragm, described shell in the cavity of described housing
Body has gas outlet and air inlet in the lower section of diaphragm and side, is fixed with a big spring at described gas outlet, described
The top and bottom of big spring has the big spring support of through hole and connects, it is characterised in that described diaphragm corresponds to big spring support
Position be fixed with bracer, the periphery of described bracer is fixed with a little spring, and the bottom of little spring is provided with
Little spring support, the middle part of described little spring support upwardly and stretches to the inside of little spring, described little spring support position
Sidewall in the part within little spring has through hole, and the height setting principle of described bracer and little spring support is as follows, when
When bracer and little spring support offset, between diaphragm and big spring support, still suffer from certain gap.This diaphragm type PCV valve
By arranging bracer and a various guide frame so that during small engine load work, the gas in crankcase still can be abundant
Be incorporated in gas handling system, the most also spring is moved back and forth and has carried out spacing guiding, thus decrease diaphragm type PCV valve
Produce the situation of abnormal sound, and extend the service life of PCV valve.
But above-mentioned Pcv valve structure is complicated, inconvenience is installed.
Utility model content
The purpose of this utility model is to overcome Pcv valve structure in prior art complicated, installs inconvenient technical problem,
A kind of simple in construction, Pcv valve assembly easy for installation are provided.
In order to solve above-mentioned technical problem, this utility model provides a kind of Pcv valve assembly, including valve seat, valve gap, PCV
Valve film and spring, arrange air inlet and escape pipe on described valve seat, and described spring is arranged on Pcv valve diaphragm and gives vent to anger
Between pipe, the entrance of circular seal block, described circular seal block and escape pipe one end is set in the middle of described Pcv valve diaphragm
Position is corresponding, is arranged around sealing ring at described Pcv valve diaphragm, sets between described circular seal block and sealing ring
Putting flexible sheet, the cross section of described flexible sheet is set to circular arc；First projection is set on described valve seat, described
Valve gap be arranged around the first groove, the first described projection and the first groove location are corresponding；Is arranged on described valve seat
Two grooves, are arranged around the second projection at described valve gap, and the second described projection and the second groove location are corresponding；Described
The position of sealing ring is corresponding with the position of the second groove.
As a kind of embodiment of the present utility model, above-mentioned a kind of Pcv valve assembly, it is arranged around at described valve gap
Snap ring, arranges groove on described valve seat, and described snap ring matches with groove.
Connect as another embodiment of the present utility model, above-mentioned a kind of Pcv valve assembly, described valve seat and valve gap
Place arranges weldment.
As further improvement of the utility model measure, above-mentioned a kind of Pcv valve assembly, described sealing block is set to
Truncated cone-shaped.
As further improvement of the utility model measure, above-mentioned a kind of Pcv valve assembly, at the entrance of escape pipe one end
Position arranges projection.
Compared with prior art, the beneficial effects of the utility model are: 1, can effectively prevent gas blowby from entering air, simultaneously
Prevent machine oil from going bad；2, simple in construction, convenient for installation and maintenance simply；3, Pcv valve diaphragm seal is effective, and service life is long.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is this utility model decomposing state structural representation.
Drawing reference numeral illustrates: 1-valve seat, 2-valve gap, 3-PCV valve film, 4-spring, 5-air inlet, 6-escape pipe, 7-circle
Shape sealing block, 8-sealing ring, 9-flexible sheet, 10-the first projection, 11-the first groove, 12-the second groove, 13-the second projection,
14-snap ring, 15-groove, 16-projection.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described.
A kind of Pcv valve assembly as shown in Figure 1 and Figure 2, including valve seat 1, valve gap 2, Pcv valve diaphragm 3 and spring 4, at valve seat
Arranging air inlet 5 and escape pipe 6 on 1, spring 4 is arranged between Pcv valve diaphragm 3 and escape pipe 6, sets in the middle of Pcv valve diaphragm 3
Putting circular seal block 7, circular seal block 7 is corresponding with the entry position of escape pipe 6 one end, and the diameter of circular seal block 7 is more than
The diameter of the entrance of escape pipe 6 one end, so when forming negative pressure in valve seat 1, so that it may so that circular seal block 7 can fully seal
The entrance of escape pipe 6 one end；Be arranged around sealing ring 8 at Pcv valve diaphragm 3, sealing ring 8 can with seal valve seat 1 and valve gap 2,
Preventing gas leakage, arrange flexible sheet 9 between circular seal block 7 and sealing ring 8, the cross section of flexible sheet 9 is set to circular arc
Shape；So Pcv valve diaphragm 3 good sealing effect, service life is long, can effectively prevent gas blowby from entering air, prevent machine oil from becoming simultaneously
Matter.Valve seat 1 arranges the first projection 10, is arranged around the first groove 11, the first projection 10 and the first groove 11 at valve gap 2
Putting corresponding, the first projection 10 is arranged in the first groove 11, plays positioning action.Valve seat 1 arranges the second groove 12,
Valve gap 2 is arranged around the second projection 13, and the second projection 13 is corresponding with the second groove 12 position；The position of sealing ring 8 and second
The position of groove 12 is corresponding, and sealing ring 8 is arranged in the second groove 12, then is compressed by the second projection 13, further functions as
The effect sealed.
As shown in Figure 1 and Figure 2, the connected mode between valve seat 1 and valve gap 2 be set to snap fit, valve seat 1 and valve gap 2 it
Between buckle is set, be such as arranged around snap ring 14 at valve gap 2, on valve seat 1, be arranged around groove 15 at the first projection 10, card
Ring 14 matches with groove 15, and valve seat 1 so can be made to be fastened on valve gap 2, and such simple in construction is convenient for installation and maintenance.
It addition, valve seat 1 and valve gap 2 junction can also arrange weldment, after valve seat 1 and valve gap 2 compress, utilize welding
Mode, makes valve seat 1 and the fixing connection of valve gap 2, prevents gas leak phenomenon.
As shown in Figure 1 and Figure 2, sealing block 7 is set to truncated cone-shaped, and spring 4 is socketed on the sealing block 7 of truncated cone-shaped, for fixed
Position spring 4, is possible to prevent spring 4 skew occur.As further improvement of the utility model measure, in escape pipe 6 one end
Entry position arranges projection 16, is used for positioning spring 4, and spring 4 is socketed in projection 16, is possible to prevent spring 4 skew occur.
Above in conjunction with accompanying drawing, this utility model embodiment is explained in detail, but on this utility model is not limited to
State embodiment, to those skilled in the art, it is also possible to make some under without departing from premise of the present utility model
Modification and improvement, these also should be regarded as belonging to protection domain of the present utility model.
Claims (5)
1. a Pcv valve assembly, including valve seat (1), valve gap (2), Pcv valve diaphragm (3) and spring (4), at described valve seat (1)
On air inlet (5) and escape pipe (6) are set, described spring (4) is arranged between Pcv valve diaphragm (3) and escape pipe (6), its
Be characterised by: circular seal block (7) is set in the middle of described Pcv valve diaphragm (3), described circular seal block (7) with give vent to anger
The entry position of pipe (6) one end is corresponding, is arranged around sealing ring (8), at described circle at described Pcv valve diaphragm (3)
Arranging flexible sheet (9) between shape sealing block (7) and sealing ring (8), the cross section of described flexible sheet (9) is set to circular arc
Shape；
On described valve seat (1), the first projection (10) is set, is arranged around the first groove (11) at described valve gap (2), described
The first projection (10) corresponding with the first groove (11) position；
On described valve seat (1), the second groove (12) is set, is arranged around the second projection (13) at described valve gap (2), described
The second projection (13) corresponding with the second groove (12) position；
The position of described sealing ring (8) is corresponding with the position of the second groove (12).
A kind of Pcv valve assembly the most according to claim 1, it is characterised in that: it is arranged around snap ring at described valve gap (2)
(14), arranging groove (15) on described valve seat (1), described snap ring (14) matches with groove (15).
A kind of Pcv valve assembly the most according to claim 1, it is characterised in that: described valve seat (1) and valve gap (2) junction
Weldment is set.
A kind of Pcv valve assembly the most according to claim 1, it is characterised in that: described sealing block (7) is set to round platform
Shape.
A kind of Pcv valve assembly the most according to claim 1, it is characterised in that: set in the entry position of escape pipe (6) one end
Put projection (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620760376.7U CN205824261U (en) | 2016-07-20 | 2016-07-20 | A kind of Pcv valve assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620760376.7U CN205824261U (en) | 2016-07-20 | 2016-07-20 | A kind of Pcv valve assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205824261U true CN205824261U (en) | 2016-12-21 |
Family
ID=57562620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620760376.7U Active CN205824261U (en) | 2016-07-20 | 2016-07-20 | A kind of Pcv valve assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205824261U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067874A (en) * | 2018-01-22 | 2019-07-30 | 欣大园艺喷水工具有限公司 | Gardening water jet control valve |
-
2016
- 2016-07-20 CN CN201620760376.7U patent/CN205824261U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067874A (en) * | 2018-01-22 | 2019-07-30 | 欣大园艺喷水工具有限公司 | Gardening water jet control valve |
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| GR01 | Patent grant |