CN2705616Y - Engine cylinder and cylinder head combination - Google Patents
Engine cylinder and cylinder head combination Download PDFInfo
- Publication number
- CN2705616Y CN2705616Y CN 200420033793 CN200420033793U CN2705616Y CN 2705616 Y CN2705616 Y CN 2705616Y CN 200420033793 CN200420033793 CN 200420033793 CN 200420033793 U CN200420033793 U CN 200420033793U CN 2705616 Y CN2705616 Y CN 2705616Y
- Authority
- CN
- China
- Prior art keywords
- cylinder
- cylinder head
- boss
- cylinder block
- chain cover
- 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
Links
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model provides the combination of a kind of engine cylinder and cylinder head, mainly by cylinder block 1, cylinder head 2, the chain cover chamber, connect boss 4, sealing gasket 5, bolt 6 and the additional boss 7 that connects constitute, wherein cylinder head 2 covers above cylinder block 1, in cylinder block 1, the chain cover chamber of matching is mutually with it arranged in the cylinder head 2, near on the cylinder block 1 in the chain cover chamber outside and cylinder head 2 fillets boss of connection 4 is being arranged, be provided with sealing gasket 5 between cylinder block 1 and the cylinder head 2, its structure characteristic is: adding and be connected boss 7 near also being provided with at least two on the cylinder block 1 in the chain cover chamber outside and cylinder head 2 fillets, and they are distributed on the both sides that connect boss 4, and at least two bolts 6 are fastenedly connected cylinder block 1 and cylinder head 2 by the additional boss 7 that connects.Being connected between the utility model cylinder block and the cylinder head is tightr, and better tightness has improved the motor operational safety.
Description
One, technical field:
The utility model belongs to engine art, relates in particular to the combination of a kind of motorcycle engine cylinder block and cylinder head.
Two, background technique:
At present, the outside, chain cover chamber of motorcycle engine cylinder block and cylinder head has only a connection boss, and be in middle position, connecting bolt passes this connection boss cylinder block and cylinder head is fastenedly connected, because the fillet of this side cylinder block and cylinder head has only one to connect fastening point, make cylinder block and cylinder head inhomogeneous in the sealing of this part, enter firing chamber and chain cover chamber during cooling water blow cylinder bed (being the sealing gasket between cylinder block and the cylinder head) easily, cause motor flame-out suddenly, and engine oil quality is descended, influenced the normal use of motor.
Three, summary of the invention:
The purpose of this utility model provides the combination of a kind of engine cylinder and cylinder head, the problem of sealing difference between the cylinder block of solution conventional engines and the cylinder head.
The technical solution of the utility model is: cylinder head is above cylinder block, the chain cover chamber of matching is mutually with it arranged in cylinder block, cylinder head, near on the cylinder block in the chain cover chamber outside and the cylinder head fillet boss of connection is being arranged, be provided with sealing gasket between cylinder block and the cylinder head, its structure characteristic is: described connection boss has at least two, and at least two bolts are fastenedly connected cylinder block and cylinder head by connecting boss.
The outside, chain cover chamber cylinder block has increased at least two additional boss that connect with the boss both sides that are connected of cylinder head fillet in the utility model, bolt is fastenedly connected cylinder block and cylinder head by the additional boss that connects, owing on same one side, increased the tie point between cylinder block and the cylinder head, make between cylinder block and the cylinder head be connected tightr, even, thereby avoided causing motor flame-out suddenly the problem that engine oil quality descends owing to cooling water enters firing chamber and chain cover chamber.
The utility model has the advantages that: being connected between cylinder block and the cylinder head is tightr, and better tightness has improved the motor operational safety.
Four, description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the plan view of Fig. 1.
Five, embodiment:
As Fig. 1, shown in Figure 2: the utility model is by cylinder block 1, cylinder head 2, chain cover chamber 3, connect boss 4, sealing gasket 5, bolt 6 and the additional boss 7 that connects constitute, wherein cylinder head 2 is above cylinder block 1, in cylinder block 1, the chain cover chamber 3 of matching is mutually with it arranged in the cylinder head 2, near on the cylinder block 1 in 3 outsides, chain cover chamber and cylinder head 2 fillets boss of connection 4 is being arranged, be provided with sealing gasket 5 between cylinder block 1 and the cylinder head 2, its structure characteristic is: adding and be connected boss 7 near also being provided with at least two on the cylinder block 1 in 3 outsides, chain cover chamber and cylinder head 2 fillets, and they are distributed on the both sides that connect boss 4, and at least two bolts 6 are fastenedly connected cylinder block 1 and cylinder head 2 by the additional boss 7 that connects.
Fig. 1 is a kind of embodiment of the present utility model, and described additional connection boss 7 is two, and they are arranged in the both sides that connect boss 4 symmetrically, and form an overall structure.
As can be seen from Figure 1: the part of described additional connection boss 7 on cylinder block 1 is set to through hole, and the part on cylinder head 2 is set to tapped blind hole, and an end of bolt 6 passes through hole and is connected in the tapped blind hole, and the other end is fastening with nut.
Claims (3)
1. engine cylinder and cylinder head combination, cylinder head (2) is in cylinder block (1) top, in cylinder block (1), the chain cover chamber (3) of matching is mutually with it arranged in the cylinder head (2), near on the cylinder block (1) in chain cover chamber (3) outside and cylinder head (2) fillet boss of connection (4) is being arranged, be provided with sealing gasket (5) between cylinder block (1) and the cylinder head (2), it is characterized in that: adding and be connected boss (7) near also being provided with at least two on the cylinder block (1) in chain cover chamber (3) outside and cylinder head (2) fillet, and they are distributed on the both sides that connect boss (4), and at least two bolts (6) are fastenedly connected cylinder block (1) and cylinder head (2) by the additional boss (7) that connects.
2. engine cylinder according to claim 1 and cylinder head combination, it is characterized in that: described additional connection boss (7) is two, they are arranged in the both sides that connect boss (4) symmetrically, and form an overall structure.
3. engine cylinder according to claim 1 and 2 and cylinder head combination, it is characterized in that: the part of described additional connection boss (7) on cylinder block (1) is set to through hole, part on cylinder head (2) is set to tapped blind hole, one end of bolt (6) passes through hole and is connected in the tapped blind hole, and the other end is fastening with nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420033793 CN2705616Y (en) | 2004-05-28 | 2004-05-28 | Engine cylinder and cylinder head combination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420033793 CN2705616Y (en) | 2004-05-28 | 2004-05-28 | Engine cylinder and cylinder head combination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2705616Y true CN2705616Y (en) | 2005-06-22 |
Family
ID=34850083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420033793 Expired - Fee Related CN2705616Y (en) | 2004-05-28 | 2004-05-28 | Engine cylinder and cylinder head combination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2705616Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943081A (en) * | 2010-08-23 | 2011-01-12 | 江苏常发实业集团有限公司 | Cylinder fitting of single cylinder diesel |
| CN101566231B (en) * | 2008-04-24 | 2011-12-14 | 丰田自动车株式会社 | Seal structure, chain case, and seal structure formation method |
-
2004
- 2004-05-28 CN CN 200420033793 patent/CN2705616Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101566231B (en) * | 2008-04-24 | 2011-12-14 | 丰田自动车株式会社 | Seal structure, chain case, and seal structure formation method |
| CN101943081A (en) * | 2010-08-23 | 2011-01-12 | 江苏常发实业集团有限公司 | Cylinder fitting of single cylinder diesel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |