CN207660719U - The compact oil-returning structure of cylinder head cover - Google Patents
The compact oil-returning structure of cylinder head cover Download PDFInfo
- Publication number
- CN207660719U CN207660719U CN201721499163.4U CN201721499163U CN207660719U CN 207660719 U CN207660719 U CN 207660719U CN 201721499163 U CN201721499163 U CN 201721499163U CN 207660719 U CN207660719 U CN 207660719U
- Authority
- CN
- China
- Prior art keywords
- umbrella valve
- oil return
- umbrella
- screw
- return hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Valve-Gear Or Valve Arrangements (AREA)
Abstract
The utility model discloses a kind of compact oil-returning structures of cylinder head cover, it includes with oil return hole, the cylinder cap cover body of camshaft bearing lid, the camshaft bearing is covered with lock-screw, and the screw head of the lock-screw is oppositely arranged with the oil return hole, wherein, there is the location hole adjacent with the oil return hole on the cylinder cap cover body, umbrella valve is combined on the location hole, wherein, the umbrella valve includes the umbrella valve body in sealing contact with the cylinder cap cover body, and with the umbrella valve body be integrally formed and with the umbrella valve valve rod of the location hole clearance fit, in the Single port direction of the oil return hole and the umbrella arc structure in the umbrella valve body.The utility model is novel in design, and in limited oil return boundary, oil return works well, and has the function of that air-flow inversely shuts off.
Description
Technical field
The utility model is related to a kind of compact oil-returning structures of cylinder head cover, belong to cylinder head cover technical field.
Background technology
During gasoline engine with supercharger, gasoline naturally aspirated engine R＆D and production, traditional cylinder head cover oil return knot
Gap of the structure between oil return column, with the camshaft bearing lid on cylinder head cover is smaller, and it is difficult to meet to want to lead to back oil column height design
It asks, and then influences oil return effect.
Invention content
Shortcoming in for the above-mentioned prior art, the utility model are intended to provide a kind of compact oil return knot of cylinder head cover
Structure, novel in design, in limited oil return boundary, oil return works well, and has the function of that air-flow inversely shuts off.
To achieve the goals above, the technical solution of the utility model：A kind of compact oil-returning structure of cylinder head cover comprising tool
There are the cylinder cap cover body of oil return hole, camshaft bearing lid, the camshaft bearing to cover with lock-screw, and the spiral shell of the lock-screw
Nail head is oppositely arranged with the oil return hole, wherein there is the location hole adjacent with the oil return hole on the cylinder cap cover body,
Umbrella valve is combined on the location hole, wherein the umbrella valve include the umbrella valve body in sealing contact with the cylinder cap cover body and
Be integrally formed with the umbrella valve body and with the umbrella valve valve rod of the location hole clearance fit, the Single port of the oil return hole is towards simultaneously
In umbrella arc structure in the umbrella valve body.
Further, the central axis of the umbrella valve is parallel with the central axis of the oil return hole.
Further, there is same central axis between the umbrella valve and the lock-screw.
Further, there is limiting section, the umbrella valve to pass through the limiting section, the umbrella valve body on the umbrella valve valve rod
Axial limiting is on the cylinder cap cover body, wherein the limiting section is integrally formed in the convex annular on the umbrella valve valve rod
Rib, arc-shaped transition setting between the annular ridge both ends and the umbrella valve valve rod.
The beneficial effects of the utility model：Novel design, the limited oil return boundary between oil return hole and camshaft bearing lid
Interior, by the way that umbrella valve is arranged on cylinder cap cover body, and the umbrella valve valve rod of umbrella valve is back on camshaft bearing lid so that total is returned
Outside oil works well, also have the function of that air-flow inversely shuts off.
Description of the drawings
Fig. 1 is the top schematic diagram of the utility model structure；
Fig. 2 is the lower part schematic diagram of the utility model structure.
Specific implementation mode
The utility model is further described with reference to specific embodiment and attached drawing.
A kind of compact oil-returning structure of cylinder head cover as shown in Figure 1 comprising the cylinder with oil return hole 11, camshaft bearing lid 12
Housing ontology 10 has lock-screw 13, and the screw head of the lock-screw 13 and oil return hole 11 on the camshaft bearing lid 12
It is oppositely arranged, wherein there is the location hole adjacent with oil return hole 11 on cylinder cap cover body 10, umbrella valve is combined on the location hole
14, wherein umbrella valve 14 include the umbrella valve body 141 in sealing contact with cylinder cap cover body 10 and with the umbrella valve body 141 1
Body formed and umbrella valve valve rod 142 with location hole clearance fit, the Single port direction of oil return hole 11 are simultaneously in umbrella valve body 141
In umbrella arc structure.
The utility model is novel in design, by the way that umbrella valve 14, and the umbrella valve valve rod of umbrella valve 14 are arranged on cylinder cap cover body 10
142 back on camshaft bearing lid 12, i.e., in the limited oil return boundary between oil return hole 11 and camshaft bearing lid 12, oil return effect
Well, and have the function of that air-flow inversely shuts off.
Specifically, the central axis of umbrella valve 14 is parallel with the central axis of oil return hole 11, to ensure the normal of umbrella valve 14
Running, and same central axis will be arranged between umbrella valve 14 and lock-screw 13, or it is arranged to two adjoining central shafts
Line meets between oil return hole 11 and lock-screw 13 in narrow space by the characteristic of umbrella valve 14, carries out effectively oil return,
Also it avoids using the inadequate situation of spatial joint clearance caused by traditional oil return column.
Finally, there is limiting section, umbrella valve 14 is by limiting section, 141 axial limiting of umbrella valve body in cylinder on umbrella valve valve rod 142
On housing ontology 10, wherein limiting section is integrally formed in the annular ridge on umbrella valve valve rod 142, the annular ridge both ends with
Arc-shaped transition setting between umbrella valve valve rod 142.
The technical solution provided above the utility model embodiment is described in detail, used herein specifically
A example is expounded the principle and embodiment of the utility model embodiment, and the explanation of above example is only applicable to help
Assistant solves the principle of the utility model embodiment；Meanwhile for those of ordinary skill in the art, implementing according to the utility model
Example, the there will be changes in specific implementation mode and application range, in conclusion the content of the present specification should not be construed as
Limitations of the present invention.
Claims (4)
1. a kind of compact oil-returning structure of cylinder head cover, it is characterised in that：It include the cylinder with oil return hole (11), camshaft bearing lid (12)
Housing ontology (10) has lock-screw (13), and the screw head of the lock-screw (13) on the camshaft bearing lid (12)
It is oppositely arranged with the oil return hole (11), wherein have on the cylinder cap cover body (10) adjacent with the oil return hole (11)
Location hole is combined with umbrella valve (14) on the location hole, wherein the umbrella valve (14) includes close with the cylinder cap cover body (10)
The tactile umbrella valve body (141) of sealing-in and be integrally formed with the umbrella valve body (141) and with the umbrella valve of the location hole clearance fit
In valve rod (142), the Single port direction of the oil return hole (11) and the umbrella arc structure in the umbrella valve body (141).
2. the compact oil-returning structure of cylinder head cover according to claim 1, it is characterised in that：The central axis of the umbrella valve (14)
It is parallel with the central axis of the oil return hole (11).
3. the compact oil-returning structure of cylinder head cover according to claim 1 or 2, it is characterised in that：The umbrella valve (14) with it is described
There is same central axis between lock-screw (13).
4. the compact oil-returning structure of cylinder head cover according to claim 1, it is characterised in that：Have on the umbrella valve valve rod (142)
There is limiting section, the umbrella valve (14) is by the limiting section, umbrella valve body (141) axial limiting in the cylinder cap cover body
(10) on, wherein the limiting section is integrally formed in the annular ridge on the umbrella valve valve rod (142), the annular ridge two
Arc-shaped transition is arranged between end and the umbrella valve valve rod (142).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721499163.4U CN207660719U (en) | 2017-11-10 | 2017-11-10 | The compact oil-returning structure of cylinder head cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721499163.4U CN207660719U (en) | 2017-11-10 | 2017-11-10 | The compact oil-returning structure of cylinder head cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207660719U true CN207660719U (en) | 2018-07-27 |
Family
ID=62939059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721499163.4U Expired - Fee Related CN207660719U (en) | 2017-11-10 | 2017-11-10 | The compact oil-returning structure of cylinder head cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207660719U (en) |
-
2017
- 2017-11-10 CN CN201721499163.4U patent/CN207660719U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20180727 Termination date: 20191110 |