CN201106500Y - Engine cylinder lid - Google Patents
Engine cylinder lid Download PDFInfo
- Publication number
- CN201106500Y CN201106500Y CNU2007201882921U CN200720188292U CN201106500Y CN 201106500 Y CN201106500 Y CN 201106500Y CN U2007201882921 U CNU2007201882921 U CN U2007201882921U CN 200720188292 U CN200720188292 U CN 200720188292U CN 201106500 Y CN201106500 Y CN 201106500Y
- Authority
- CN
- China
- Prior art keywords
- cylinder head
- exhaust
- connection
- air intake
- engine cylinder
- 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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Abstract
The utility model provides to an engine cylinder head which comprises a cylinder head body, wherein, a camshaft housing part of the cylinder head body is provided with an air intake and an exhaust surfaces of the cylinder head, installation holes for an air intake and an exhaust support posts and a sparking plug hole; the air intake and the exhaust surfaces of the cylinder head, the installation holes for the air intake and the exhaust support posts and the sparking plug hole are connected with each other through connection ribs cast integrally or connection surfaces; the thickness of the connection ribs or connection surfaces is about 4 MM, and the distance between the bottom of the camshaft housing and the connection ribs or connection surfaces is not less than 10 MM. With the design of the connection ribs or connection surfaces, the original open structure of the camshaft housing is changed into an interconnection structure so that the integral intensity of the cylinder head is improved, the weight of the cylinder head is not over increased, and the cylinder head NVH is improved.
Description
Technical field
The utility model relates to the structural design that cylinder covers, particularly the small displacement engine air cylinder head structure.
Background technique
Owing to be subjected to spatial constraints, particularly small displacement engine cylinder head, the space is very compact, and lightweight is again the significant design requirement to the engine cylinder cap design.It is more and more higher that yet the NVH of motor requires, and the structural strength that improves engine cylinder cap is the basis that reduces NVH.Therefore satisfy under the light-weighted prerequisite of cylinder head, the reinforcement that improves cylinder head itself is an acid test.At present, the main structure cylinder cap camshaft chest of engine cylinder cap all is to open wide the examination design in order to improve manufacturability, and it is simple in structure, can satisfy the engine structure designing requirement substantially.But because the cylinder that requires of motor NVH is stamped better structural strength, motor generally uses the mode that increases wall thickness to strengthen the intensity of cylinder head, and weight increased when engine material was increased, and is unfavorable for that cost and performance improve.
Summary of the invention
The purpose of this utility model is at existing small displacement engine cylinder head NVH to be required to propose a kind of engine cylinder cap than higher and be subjected to the defective of lightweight restriction, strengthens air cylinder head structure, improves the cylinder head NVH of motor.
The technical solution of the utility model is as follows:
A kind of engine cylinder cap, comprise the cylinder lid, camshaft chest at the cylinder lid partly is provided with cylinder head intake and exhaust face, intake and exhaust tappet mounting hole and spark-plug hole, and the connecting tendon or the junction surface that form by integrally casting between described cylinder head intake and exhaust face, intake and exhaust tappet mounting hole and the spark-plug hole connect.
As long as the thickness of connecting tendon or junction surface does not influence the manufacturability of motor assembling about 4mm, and maintenance forms certain distance with the camshaft chest bottom surface, and required distance is not less than 10mm, the casting manufacturability and the technology capability of assurance cylinder head.
The utility model has become the structure that original camshaft chest opens wide into interconnective structure by design connecting tendon or junction surface, has strengthened the bulk strength of cylinder head thus, and has exceeded the weight that increases cylinder cap, improves cylinder head NVH.
Description of drawings
Fig. 1 is the partial structurtes schematic representation of this cylinder head;
Fig. 2 is the A-A sectional drawing of Fig. 1.
Embodiment
Referring to Fig. 1, this cylinder head comprises cylinder lid 1, camshaft chest at the cylinder lid partly is provided with cylinder head air inlet face 3 and deflation area 2, inlet and outlet tappet mounting hole 4,5 and spark-plug hole 6, and the junction surface 7 that forms by integrally casting between described cylinder head inlet and outlet face 3 and 2, inlet and outlet tappet mounting hole 4,5 and the spark-plug hole 6 is realized connecting.Referring to Fig. 2, the thickness of junction surface 7 is 4mm, is not less than 10mm with the distance of camshaft chest bottom surface.
Claims (3)
1. engine cylinder cap, comprise the cylinder lid, camshaft chest at the cylinder lid partly is provided with cylinder head intake and exhaust face, intake and exhaust tappet mounting hole and spark-plug hole, it is characterized in that: the connecting tendon or the junction surface that form by integrally casting between described cylinder head intake and exhaust face, intake and exhaust tappet mounting hole and the spark-plug hole connect.
2, engine cylinder cap according to claim 1 is characterized in that: the distance 〉=10mm of described connecting tendon or junction surface and camshaft chest bottom surface.
3, engine cylinder cap according to claim 1 and 2 is characterized in that: the thickness of described connecting tendon or junction surface is 4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201882921U CN201106500Y (en) | 2007-11-22 | 2007-11-22 | Engine cylinder lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201882921U CN201106500Y (en) | 2007-11-22 | 2007-11-22 | Engine cylinder lid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201106500Y true CN201106500Y (en) | 2008-08-27 |
Family
ID=39958299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201882921U Expired - Fee Related CN201106500Y (en) | 2007-11-22 | 2007-11-22 | Engine cylinder lid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201106500Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615335A (en) * | 2013-12-10 | 2014-03-05 | 安徽江淮汽车股份有限公司 | Engine cylinder head structure |
| CN106224116A (en) * | 2016-10-12 | 2016-12-14 | 广西玉柴机器股份有限公司 | A kind of air cylinder head structure with spectacle tappet hole |
-
2007
- 2007-11-22 CN CNU2007201882921U patent/CN201106500Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615335A (en) * | 2013-12-10 | 2014-03-05 | 安徽江淮汽车股份有限公司 | Engine cylinder head structure |
| CN106224116A (en) * | 2016-10-12 | 2016-12-14 | 广西玉柴机器股份有限公司 | A kind of air cylinder head structure with spectacle tappet hole |
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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 |
Granted publication date: 20080827 Termination date: 20151122 |