CN205101066U - Internal -combustion engine valve subassembly - Google Patents
Internal -combustion engine valve subassembly Download PDFInfo
- Publication number
- CN205101066U CN205101066U CN201520907203.9U CN201520907203U CN205101066U CN 205101066 U CN205101066 U CN 205101066U CN 201520907203 U CN201520907203 U CN 201520907203U CN 205101066 U CN205101066 U CN 205101066U
- Authority
- CN
- China
- Prior art keywords
- valve
- face
- conical surface
- retainer
- valve seat
- 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.)
- Active
Links
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses an internal -combustion engine valve subassembly, including valve retainer, last being equipped with of valve retainer is used for contacting the complex valve -face with valve seat insert sealing conical face, the inboard and the outside of valve -face are connected with the first conical surface and the second conical surface that is used for forming the clearance with valve seat insert respectively, the utility model discloses an internal -combustion engine valve subassembly, through setting up the first conical surface and the second conical surface, when cooperating with valve seat insert, the first conical surface, the second conical surface all forms the clearance with valve seat insert sealing conical face, thereby form the structure of " valve package valve seat insert ", this structure can effectively increase the contact surface of valve when cooperating with valve seat insert, effectively improve the heat conductivility of valve to valve seat insert, reduce the heating load of valve -face, reduce the take a seat impact force of valve -face when valve closure, guarantee good sealedly, thereby preventing gas leakag, extension valve and valve seat insert's life.
Description
Technical field
The utility model relates to a kind of internal combustion engine component, particularly a kind of engine valve assembly.
Background technique
Each cylinder of internal-combustion engine is all fitted with valve (comprising intake valve and exhaust valve), in the working cycle process of each cylinder, valve opens and closes all in sequence, is used for ensureing that fresh charge is entered cylinder in time, and waste gas can discharge in time; Air valve seat ring is fitted in cylinder head and coordinates with valve, and air valve seat ring is provided with the sealing cone matched with valve-face, by the unlatching or closedown that realize valve venturi of moving up and down of valve.Traditional valve surface of contact (face that valve-face contacts with sealing cone) when coordinating with air valve seat ring is too small, reduce the heat-conducting property of valve to air valve seat ring, add the heat load of valve-face, add the take a seat impact force of valve-face when valve-closing; In addition, be transitioned in " face contact " process in the sealing of air valve seat ring by " linear contact lay ", the valve-face dorsal horn direction possibility embedding sealing conical surface, cause poor sealing between valve and air valve seat ring, cause gas leakage, cause valve ablation, shorten the working life of valve and air valve seat ring widely, reduce the prestige on quality of product.
Therefore, just need a kind of engine valve assembly, effectively can increase the surface of contact of valve when coordinating with air valve seat ring, effective raising valve is to the heat-conducting property of air valve seat ring, reduce the heat load of valve-face, reduce the take a seat impact force of valve-face when valve-closing, ensure excellent sealing, prevent gas leakage, extend the working life of valve and air valve seat ring.
Model utility content
In view of this, the purpose of this utility model is to provide a kind of engine valve assembly, effectively can increase the surface of contact of valve when coordinating with air valve seat ring, effective raising valve is to the heat-conducting property of air valve seat ring, reduce the heat load of valve-face, reduce the take a seat impact force of valve-face when valve-closing, ensure excellent sealing, prevent gas leakage, extend the working life of valve and air valve seat ring.
Engine valve assembly of the present utility model, comprise valve retainer, described valve retainer is provided with for contacting with air valve seat ring sealing cone the valve-face coordinated, and the inner side and outer side of described valve-face is connected to for forming first conical surface and second conical surface in gap with air valve seat ring.
Further, the taper angle of the taper angle of described first conical surface, second conical surface is all identical with the taper angle of valve-face.
Further, the width of described valve-face is 1.40-1.60mm, and the width of described first conical surface is 0.45-0.50mm, and the width of described second conical surface is 0.65-0.75mm.
Further, the taper angle of described valve-face is 30 °-50 °.
Further, the taper angle of described valve-face is 45 °; The width of described valve-face is 1.51mm, and the width of described first conical surface is 0.48mm, and the width of described second conical surface is 0.73mm.
Further, this assembly also comprises the valve stem with valve retainer dead in line, and a cavity extends to valve stem along shaft axis from valve retainer: described cavity is 4.0mm-5.0mm near the distance between one end and the end face of valve retainer of valve retainer.
Further, the end face of described valve retainer is plane.
Further, there is a sunk area center of the end face of described valve retainer.
Further, the solid stems that described valve stem comprises rod blank and is coaxially connected with rod blank, described rod blank and valve retainer one-body molded.
Further, described rod blank is connected with solid stems coaxial welding.
The beneficial effects of the utility model: engine valve assembly of the present utility model, by setting up first conical surface and second conical surface, when coordinating with air valve seat ring, first conical surface, second conical surface all forms gap with air valve seat ring sealing cone, thus form the structure of " valve bag air valve seat ring ", this structure effectively can increase the surface of contact of valve when coordinating with air valve seat ring, effective raising valve is to the heat-conducting property of air valve seat ring, reduce the heat load of valve-face, reduce the take a seat impact force of valve-face when valve-closing, ensure excellent sealing, prevent gas leakage, extend the working life of valve and air valve seat ring.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is A place enlarged view in Fig. 1.
Embodiment
Fig. 1 is structural representation of the present utility model, Fig. 2 is A place enlarged view in Fig. 1, as shown in the figure: the engine valve assembly of the present embodiment, comprise valve retainer 1, described valve retainer 1 is provided with for contacting the valve-face 2 coordinated with air valve seat ring sealing cone, and the inner side and outer side of described valve-face 2 is connected to for forming first conical surface 3 and second conical surface 4 in gap with air valve seat ring; Inner side refers in use near the side in air valve seat ring duct; By setting up first conical surface 3 and second conical surface 4, when coordinating with air valve seat ring, first conical surface 3, second conical surface 4 all forms gap with air valve seat ring sealing cone, thus form the structure of " valve bag air valve seat ring ", this structure effectively can increase the surface of contact of valve when coordinating with air valve seat ring, effective raising valve is to the heat-conducting property of air valve seat ring, reduce the heat load of valve-face 2, reduce the take a seat impact force of valve-face 2 when valve-closing, ensure excellent sealing, prevent gas leakage, extend the working life of valve and air valve seat ring.
In the present embodiment, the taper angle of described first conical surface 3, the taper angle of second conical surface 4 are all identical with the taper angle of valve-face 2; Taper angle refers to the longitudinal section of the corresponding conical surface and the angle of valve axis L; The taper angle of first conical surface 3, the taper angle of second conical surface 4 are all identical with the taper angle of valve-face 2, namely first conical surface 3, valve-face 2 and second conical surface 4 are a continuous print cone structure, the processing technology of valve retainer 1 can be simplified, now then define the wider valve retainer of the conical surface 1, can the cone structure that can form gap be set on the sealing cone of corresponding air valve seat ring.
In the present embodiment, the width a of described valve-face 2 is 1.40-1.60mm, and the width b of described first conical surface 3 is 0.45-0.50mm, and the width c of described second conical surface 4 is 0.65-0.75mm, and the taper angle K of described valve-face 2 is 30 °-50 °; Wherein, the taper angle K of described valve-face 2 is preferably 45 °, and the width a of described valve-face 2 is preferably 1.51mm, and the width b of described first conical surface 3 is preferably 0.48mm, and the width c of described second conical surface 4 is preferably 0.73mm.
In the present embodiment, this assembly also comprises the valve stem with valve retainer 1 dead in line, one cavity 7 extends to valve stem along shaft axis from valve retainer 1: described cavity 7 is 4.0mm-5.0mm near the distance s between one end of valve retainer 1 and the end face 11 of valve retainer 1, and this distance is preferably 4.5mm; The setting of cavity 7 can not only alleviate the weight of whole valve, when making air valve drop, impact load reduces, and in cavity 7 time filling low melting metal (as sodium), utilize its mobility the heat of valve can be passed to valve guide bushing rapidly, thus reduce the heat load of valve; The heat conduction that air valve cervix and valve retainer 1 center gather can be walked by the valve of this structure preferably, thus valve is dispelled the heat evenly.
In the present embodiment, the end face 11 of described valve retainer 1 is plane, and heat diffusion area is little, and has higher intensity; In addition, there is a sunk area 12 center of the end face of described valve retainer 1, is conducive to formation one gas swirl, is more conducive to heat radiation, is also conducive to alleviating valve weight simultaneously.
In the present embodiment, described valve stem comprises rod blank 5 and the solid stems 6 that be connected coaxial with rod blank 5, and described rod blank 5 is one-body molded with valve retainer 1; Described rod blank 5 is preferably coaxial welding with solid stems 6 and is connected; The Main Function of rod blank 5 is heat conduction, and solid stems 6 coordinates with valve guide bushing, valve spring.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (10)
1. an engine valve assembly, comprise valve retainer, described valve retainer is provided with for contacting with air valve seat ring sealing cone the valve-face coordinated, and it is characterized in that: the inner side and outer side of described valve-face is connected to for forming first conical surface and second conical surface in gap with air valve seat ring.
2. engine valve assembly according to claim 1, is characterized in that: the taper angle of described first conical surface, the taper angle of second conical surface are all identical with the taper angle of valve-face.
3. engine valve assembly according to claim 1, is characterized in that: the width of described valve-face is 1.40-1.60mm, and the width of described first conical surface is 0.45-0.50mm, and the width of described second conical surface is 0.65-0.75mm.
4. engine valve assembly according to claim 2, is characterized in that: the taper angle of described valve-face is 30 °-50 °.
5. engine valve assembly according to claim 4, is characterized in that: the taper angle of described valve-face is 45 °; The width of described valve-face is 1.51mm, and the width of described first conical surface is 0.48mm, and the width of described second conical surface is 0.73mm.
6. the engine valve assembly according to any one of claim 1 to 5, it is characterized in that: this assembly also comprises the valve stem with valve retainer dead in line, a cavity extends to valve stem along shaft axis from valve retainer: described cavity is 4.0mm-5.0mm near the distance between one end and the end face of valve retainer of valve retainer.
7. engine valve assembly according to claim 6, is characterized in that: the end face of described valve retainer is plane.
8. engine valve assembly according to claim 6, is characterized in that: there is a sunk area center of the end face of described valve retainer.
9. engine valve assembly according to claim 6, is characterized in that: the solid stems that described valve stem comprises rod blank and is coaxially connected with rod blank, described rod blank and valve retainer one-body molded.
10. engine valve assembly according to claim 9, is characterized in that: described rod blank is connected with solid stems coaxial welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520907203.9U CN205101066U (en) | 2015-11-13 | 2015-11-13 | Internal -combustion engine valve subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520907203.9U CN205101066U (en) | 2015-11-13 | 2015-11-13 | Internal -combustion engine valve subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205101066U true CN205101066U (en) | 2016-03-23 |
Family
ID=55516850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520907203.9U Active CN205101066U (en) | 2015-11-13 | 2015-11-13 | Internal -combustion engine valve subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205101066U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035456A (en) * | 2017-05-19 | 2017-08-11 | 成都亨通兆业精密机械有限公司 | A kind of inlet valve for being not easy carbon distribution |
| CN107605562A (en) * | 2017-09-13 | 2018-01-19 | 张家港保税区通勤精密机械有限公司 | A kind of high intensity exhaust valve |
-
2015
- 2015-11-13 CN CN201520907203.9U patent/CN205101066U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035456A (en) * | 2017-05-19 | 2017-08-11 | 成都亨通兆业精密机械有限公司 | A kind of inlet valve for being not easy carbon distribution |
| CN107605562A (en) * | 2017-09-13 | 2018-01-19 | 张家港保税区通勤精密机械有限公司 | A kind of high intensity exhaust valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204402609U (en) | What have that head rushes sodium chamber rushes sodium valve | |
| CN204402610U (en) | Rush sodium valve | |
| CN205101066U (en) | Internal -combustion engine valve subassembly | |
| CN205154289U (en) | Engine valve assembly | |
| CN204402611U (en) | What have wind-guiding wing plate rushes sodium valve | |
| CN105804856A (en) | Opposed-piston two-stroke intra-cylinder direct injection gasoline engine combustion chamber | |
| CN204663610U (en) | Twoly rush sodium chamber valve | |
| CN204060836U (en) | Rush sodium valve | |
| CN205503209U (en) | Automatically cleaning formula is towards sodium valve with branch fluid channel | |
| CN205154285U (en) | Toper two -chamber is towards sodium valve with combustion chamber and branch fluid channel | |
| CN204402608U (en) | There is the valve that sodium chamber is rushed in taper | |
| CN204663609U (en) | Have closedly can rush sodium chamber rush sodium valve | |
| CN107100756A (en) | A kind of piston for directly jetting gasoline engine channel-style combustion chamber | |
| CN205154286U (en) | Two -chamber is towards sodium valve with combustion chamber | |
| CN105401997A (en) | Spiral flow guiding and sodium injecting air valve with branch channels | |
| CN206860304U (en) | A kind of piston for directly jetting gasoline engine channel-style combustion chamber | |
| CN205154288U (en) | Spiral chamber is towards sodium valve with combustion chamber | |
| CN205089409U (en) | Spiral hemisphere heat -transfer surface of automatically cleaning is towards sodium valve | |
| CN205089399U (en) | Automatically cleaning formula two -chamber is towards sodium valve | |
| CN205089401U (en) | High -efficient heat transfer formula towards sodium valve of automatically cleaning | |
| CN105240080A (en) | Double-cavity sodium-filled valve with spiral blade | |
| CN205089404U (en) | Spiral toper chamber of automatically cleaning is towards sodium valve | |
| CN205089407U (en) | Automatically cleaning formula is towards sodium valve | |
| CN205154283U (en) | Two -chamber is towards sodium valve with combustion chamber and branch fluid channel | |
| CN205089400U (en) | Automatically cleaning formula spiral chamber is towards sodium valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |