CN207261075U - A kind of engine crank case ventilation structure - Google Patents
A kind of engine crank case ventilation structure Download PDFInfo
- Publication number
- CN207261075U CN207261075U CN201720958645.5U CN201720958645U CN207261075U CN 207261075 U CN207261075 U CN 207261075U CN 201720958645 U CN201720958645 U CN 201720958645U CN 207261075 U CN207261075 U CN 207261075U
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- Prior art keywords
- crankcase
- passage
- head cover
- vent passage
- cylinder head
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- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model provides a kind of engine crank case ventilation structure, is related to vehicle motor accessory technical field.A kind of engine crank case ventilation structure of the utility model, including the crankcase ventilation pipeline being arranged between gs-oil separator Pcv valve assembly and inlet manifold, the crankcase ventilation pipeline also sequentially passes through cylinder head cover and lid cylinder, the crankcase ventilation pipeline is the passage being integrated in inside gs-oil separator Pcv valve assembly, cylinder head cover, lid cylinder and inlet manifold, attaches together to form complete closure air pipeline by the gs-oil separator Pcv valve assembly and the cylinder head cover, the cylinder cap and the inlet manifold.The utility model need not set independent crankcase ventilation pipeline, and the passage by being integrated in engine interior, which forms air pipeline, can reduce oil leakage risk and leak detection cost.
Description
Technical field
Vehicle motor accessory technical field is the utility model is related to, more particularly to a kind of engine crank case ventilation knot
Structure.
Background technology
Crankcase ventilation pipeline is all independent circuit design at present, exposed in external engine, simple in structure, cost is low.
With the implementation of six regulation of state, the requirement of higher is proposed to crankcase ventilation system, it is desirable to increase leakage diagnosis.At present, certainly
Inhaling engine can be solved by demarcating means, but diagnosed for engine with supercharger by calibration means it is relatively difficult, it is necessary to
Increase sensor, add the cost of the bent crankcase ventilation pipeline state of detection.In addition, vehicle is at cold area, crankcase ventilation
Pipeline is exposed in external engine, is easily cooled, the vapor in triton pipeline easily freezes, and causes triton pipeline blockage, leads
Crankcase pressure rise is caused, causes a series of risks such as lubricating oil leakage.
Utility model content
The defects of the purpose of this utility model is the prior art to be directed to, there is provided one kind reduces oil leakage risk, reduces
The engine embedded crankcase ventilation structure of leak detection cost.
Especially, the utility model provides a kind of engine crank case ventilation structure, including be arranged on gs-oil separator-
Crankcase ventilation pipeline between Pcv valve assembly and inlet manifold, it is characterised in that the crankcase ventilation pipeline also passes through successively
Wear cylinder head cover and lid cylinder, the crankcase ventilation pipeline for be integrated in the gs-oil separator-Pcv valve assembly, the cylinder head cover,
Passage inside the lid cylinder and the inlet manifold, passes through the gs-oil separator-Pcv valve assembly and the cylinder head cover, institute
State cylinder cap and the inlet manifold attaches together to form complete closure air pipeline.
Further, the crankcase ventilation pipeline is the integrated crankcase vent passage of segmentation, including：
First crankcase vent passage, is integrated in inside the gs-oil separator-Pcv valve assembly, first crankcase
Ventilation shaft is equipped with the first gas outlet；
Second crankcase vent passage, is integrated in inside the cylinder head cover, and second crankcase vent passage is through whole
A cylinder head cover, second crankcase passage are equipped with the second air inlet and the second gas outlet, and second air inlet is set
It is connected in the cylinder head cover with matching at the faying face of the gs-oil separator-Pcv valve assembly and with first gas outlet；
Three-crankshaft case vent passages, are integrated in inside the cylinder cap, and second crankcase vent passage is through whole
The cylinder cap, the three-crankshaft case passage are equipped with the 3rd air inlet and the 3rd gas outlet, and the 3rd air inlet is arranged on institute
Cylinder cap is stated to be connected with matching at the faying face of the cylinder head cover and with second gas outlet；With
4th crankcase vent passage, is integrated in inside the inlet manifold, and the 4th crankcase vent passage is equipped with
4th air inlet, the 4th air inlet are arranged on the cylinder cap with going out at the faying face of the inlet manifold and with the described 3rd
Gas port matching connection.
Further, the integral structure that the crankcase vent passage forms for casting.
Further, first crankcase vent passage and second crankcase vent passage, second bent axle
Case vent passages and the three-crankshaft case vent passages, the three-crankshaft case vent passages and the 4th crankcase ventilation
Passage junction is equipped with corresponding sealing structure.
Further, the corresponding sealing structure is seal washer.
Further, second crankcase passage is Vertical Channel.
The engine crank case ventilation structure assembly of the utility model is inside engine body, by being integrated in the oil
Gas separating device-Pcv valve assembly is attached together to be formed and completely closed with the passage in the cylinder head cover, the cylinder cap and the inlet manifold
Air pipeline is closed, without setting independent crankcase ventilation pipeline, oil leakage risk and leak detection cost can be reduced.This
Outside, engine embedded crankcase ventilation pipeline structure, can be used for six regulation of applicant country and the leakage of crankcase ventilation pipeline is examined
Disconnected desired exemption.
According to the accompanying drawings will be more to the detailed description of the utility model specific embodiment, those skilled in the art
Add the above-mentioned and other purposes, advantages and features of clear the utility model.
Brief description of the drawings
Some specific realities of the utility model are described in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter
Apply example.Identical reference numeral denotes same or similar component or part in attached drawing.It should be appreciated by those skilled in the art that
What these attached drawings were not necessarily drawn to scale.In attached drawing：
Fig. 1 is the structure diagram of the engine crank case ventilation structure of one embodiment of the utility model.
Embodiment
Fig. 1 is the structure diagram of the engine crank case ventilation structure of one embodiment of the utility model.As shown in Figure 1,
A kind of engine crank case ventilation structure of the utility model, including it is arranged on gs-oil separator-Pcv valve assembly 1 and air inlet discrimination
Crankcase ventilation pipeline between pipe 4, the crankcase ventilation pipeline also sequentially pass through cylinder head cover 2 and cylinder cap 3, the crankcase
Air pipeline is the passage being integrated in inside gs-oil separator-Pcv valve assembly 1, cylinder head cover 2, cylinder cap 3 and inlet manifold 4, is passed through
The gs-oil separator-Pcv valve assembly 1 attaches together to be formed completely with the cylinder head cover 2, the cylinder cap and the inlet manifold 4
Close air pipeline.
The engine crank case ventilation structure assembly of the utility model is inside engine body, by being integrated in the oil
Gas separating device-Pcv valve assembly 1 attaches together to be formed completely with the passage in the cylinder head cover 2, the cylinder cap and the inlet manifold 4
Closure air pipeline, without setting independent crankcase ventilation pipeline, oil leakage risk and leak detection cost can be reduced.
In addition, engine embedded crankcase ventilation pipeline structure, can be used for six regulation of applicant country and crankcase ventilation pipeline is revealed
Diagnose desired exemption.
In one embodiment, crankcase ventilation pipeline described in the utility model leads to for the integrated crankcase ventilation of segmentation
Road, including the first crankcase vent passage 10, the second crankcase vent passage 20, three-crankshaft case vent passages 30 and the 4th are bent
Crankcase ventilation passage 40.First crankcase vent passage 10 sets and is integrated in inside the gs-oil separator-Pcv valve assembly 1, institute
State the first crankcase ventilation pipeline and be equipped with the first gas outlet 101.Second crankcase vent passage 20 is integrated in the cylinder head cover 2
Portion, second crankcase vent passage 20 run through the whole cylinder head cover 2, and second crankcase passage is equipped with the second air inlet
201 and second gas outlet 202 of mouth, second air inlet is arranged on the cylinder head cover 2 and gs-oil separator-the Pcv valve is total
Connection is matched at into 1 faying face and with first gas outlet 101.Three-crankshaft case vent passages 30 are integrated in the cylinder cap
Inside, second crankcase vent passage 20 run through the whole cylinder cap, and the three-crankshaft case passage is equipped with the 3rd air inlet
Mouthfuls 301 and the 3rd gas outlet 302, the 3rd air inlet 301 be arranged on the cylinder cap with the faying face of the cylinder head cover 2 and
Connection is matched with second gas outlet 202.4th crankcase vent passage 40 is integrated in inside the inlet manifold 4, described
4th crankcase vent passage 40 is equipped with the 4th air inlet 401, the 4th air inlet 401 be arranged on the cylinder cap with it is described into
Connection is matched at the faying face of gas manifold 4 and with the 3rd gas outlet 302.
The crankcase ventilation pipeline of the utility model is the integrated crankcase vent passage of segmentation, avoids crankcase ventilation
Pipeline leakage and the risk disconnected, while crankcase ventilation pipeline is integrated into each components interior of engine, particularly cylinder cap 3 is integrated
The passage of section, after engine work or stopping, the residual temperature of cylinder cap 3 can play insulation effect to whole crankcase ventilation pipeline, keep away
Exempt from icing, cause crankcase ventilation pipeline to block, finally cause crankcase ventilation pipeline pressure rise, bring lubricating oil leakage
Etc. a series of risks.
Further, the integral structure that crankcase vent passage described in the utility model forms for casting, is casting
When the gs-oil separator-Pcv valve assembly 1, cylinder head cover 2, cylinder cap 3 and inlet manifold 4, integrated molding passage, ultimately forms
Crankcase ventilation pipeline is internally integrated passage, makes simply, instead of the exposed rubber pipeline in external engine, avoids managing
Rupture causes to reveal.
To ensure the leakproofness of the integrated crankcase vent passage junction of segmentation, first bent axle of the utility model
Case vent passages 10 and second crankcase vent passage 20, second crankcase vent passage 20 and the three-crankshaft
Case vent passages 30 and the three-crankshaft case vent passages 30 are equipped with close with 40 junction of the 4th crankcase vent passage
Seal structure.Further, the sealing structure is seal washer.Further, second crankcase passage is Vertical Channel,
So that air pipeline is as far as possible short, exhaust efficiency is improved.
So far, although those skilled in the art will appreciate that detailed herein have shown and described the more of the utility model
A exemplary embodiment, still, still can be public according to the utility model in the case where not departing from the spirit and scope of the utility model
The content opened directly determines or derives many other variations or modifications for meeting the utility model principle.Therefore, this practicality is new
The scope of type is understood that and regards as to cover other all these variations or modifications.
Claims (6)
1. a kind of engine crank case ventilation structure, including it is arranged on gs-oil separator-between Pcv valve assembly and inlet manifold
Crankcase ventilation pipeline, it is characterised in that the crankcase ventilation pipeline also sequentially passes through cylinder head cover and lid cylinder, the crankcase
Air pipeline is to be integrated in the gs-oil separator-Pcv valve assembly, the cylinder head cover, the lid cylinder and the inlet manifold
The passage in portion, is attached together by the gs-oil separator-Pcv valve assembly and the cylinder head cover, the cylinder cap and the inlet manifold
Form complete closure air pipeline.
2. engine crank case ventilation structure according to claim 1, it is characterised in that the crankcase ventilation pipeline is
The integrated crankcase vent passage of segmentation, including：
First crankcase vent passage, is integrated in inside the gs-oil separator-Pcv valve assembly, first crankcase ventilation
Passage is equipped with the first gas outlet；
Second crankcase vent passage, is integrated in inside the cylinder head cover, and second crankcase vent passage runs through whole institute
Cylinder head cover is stated, second crankcase vent passage is equipped with the second air inlet and the second gas outlet, and second air inlet is set
It is connected in the cylinder head cover with matching at the faying face of the gs-oil separator-Pcv valve assembly and with first gas outlet；
Three-crankshaft case vent passages, are integrated in inside the cylinder cap, and second crankcase vent passage is through whole described
Cylinder cap, the three-crankshaft case vent passages are equipped with the 3rd air inlet and the 3rd gas outlet, and the 3rd air inlet is arranged on institute
Cylinder cap is stated to be connected with matching at the faying face of the cylinder head cover and with second gas outlet；With
4th crankcase vent passage, is integrated in inside the inlet manifold, and the 4th crankcase vent passage is equipped with the 4th
Air inlet, the 4th air inlet be arranged at the faying face of the cylinder cap and the inlet manifold and with the 3rd gas outlet
Matching connection.
3. engine crank case ventilation structure according to claim 2, it is characterised in that the crankcase vent passage is
Cast the integral structure formed.
4. the engine crank case ventilation structure according to Claims 2 or 3, it is characterised in that first crankcase leads to
Wind passage and second crankcase vent passage, second crankcase vent passage and three-crankshaft case ventilation are logical
Road, the three-crankshaft case vent passages are equipped with corresponding sealing structure with the 4th crankcase vent passage junction.
5. engine crank case ventilation structure according to claim 4, it is characterised in that the corresponding sealing structure is
Seal washer.
6. engine crank case ventilation structure according to claim 5, it is characterised in that second crankcase passage is
Vertical Channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720958645.5U CN207261075U (en) | 2017-08-02 | 2017-08-02 | A kind of engine crank case ventilation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720958645.5U CN207261075U (en) | 2017-08-02 | 2017-08-02 | A kind of engine crank case ventilation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207261075U true CN207261075U (en) | 2018-04-20 |
Family
ID=61927891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720958645.5U Active CN207261075U (en) | 2017-08-02 | 2017-08-02 | A kind of engine crank case ventilation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207261075U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022148A (en) * | 2018-10-10 | 2020-04-17 | 现代自动车株式会社 | Blow-by gas purifying apparatus for engine and port adapter |
-
2017
- 2017-08-02 CN CN201720958645.5U patent/CN207261075U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022148A (en) * | 2018-10-10 | 2020-04-17 | 现代自动车株式会社 | Blow-by gas purifying apparatus for engine and port adapter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220323 Address after: 310051 No. 1760, Jiangling Road, Hangzhou, Zhejiang, Binjiang District Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Patentee after: Zhejiang liankong Technology Co., Ltd Address before: 315336 818 Binhai two road, Hangzhou Bay New District, Ningbo, Zhejiang Patentee before: GEELY AUTOMOBILE RESEARCH INSTITUTE (NINGBO) Co.,Ltd. Patentee before: Zhejiang Geely Holding Group Co., Ltd |