CN202468044U - Small gasoline engine cylinder cover - Google Patents
Small gasoline engine cylinder cover Download PDFInfo
- Publication number
- CN202468044U CN202468044U CN2011205607099U CN201120560709U CN202468044U CN 202468044 U CN202468044 U CN 202468044U CN 2011205607099 U CN2011205607099 U CN 2011205607099U CN 201120560709 U CN201120560709 U CN 201120560709U CN 202468044 U CN202468044 U CN 202468044U
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- CN
- China
- Prior art keywords
- oil
- air inlet
- channel
- face
- cylinder cap
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a small gasoline engine cylinder cover. The small gasoline engine cylinder cover comprises a cover body, an oil channel system and a built-in exhaust gas recirculation (EGR) system, wherein the cover body consists of a gas inlet side mounting surface, an exhaust side mounting surface, a front end mounting surface, a rear end mounting surface, a bottom surface and a top surface; the oil channel system and the built-in EGR system are integrated in the cover body; the built-in EGR system comprises an exhaust side inlet, a built-in channel and an outlet which are arranged on the cover body; and the gas enters to the cover body through the exhaust side inlet, passes through the built-in channel and is led out through the outlet. The small gasoline engine cylinder cover has a compact structure, reasonable layout, high process performance of parts, high gas flowability and excellent inflation and exhaust performance.
Description
Technical field
The utility model relates to a kind of cylinder cap, particularly relates to a kind of put-put cylinder cap.
Background technique
The cylinder cap of motor is as the huge pressure of explosion of the part carrying of firing chamber and high FT; The appropriate design of cylinder cap can improve the structural strength and the cooling effect of cylinder cap, and the performance that the intake duct of cylinder cap designs motor has very big influence.Put-put is to use more a kind of type at present.But from design, current put-put cylinder cap exists design of part not compact mostly, complex process; Processing difficulties; Cost is high, and pts wt is excessive, and burning and gas flow capability are poor excessively; Piece test complex process or at all can't measure, weakness such as cause that part quality can't be monitored.
Summary of the invention
The utility model is accomplished in order to solve deficiency of the prior art; It is compact more that the purpose of the utility model provides a kind of structure, and layout is more reasonable, the better technological properties of part; Gas flow capability is better, inflation and the more superior put-put cylinder cap of emission performance.
A kind of put-put cylinder cap of the utility model; Comprise the lid that air inlet side attachment face, exhaust side attachment face, front end attachment face, rear end attachment face, bottom surface and end face form and be integrated in oil duct system and the built-in egr system in the said lid; It is characterized in that: said built-in egr system comprises exhaust side inlet, built-in channel and the outlet that is arranged on the lid; Said gas gets in the lid and by built-in channel from the exhaust side inlet and passes, and through port is drawn.
A kind of put-put cylinder cap of the utility model can also be:
Said oil duct system comprises oil system, main oil gallery system and is arranged on the inferior oil duct system in the said main oil gallery system.
The said oil system of going up comprises the oil groove that is positioned at said lid bottom surface, and said oil groove is communicated with through straight oil duct with said main oil gallery.
Said main oil gallery system comprises air inlet side canal, exhaust side long-channel, front-end face passage and oil-feed system, an end of said air inlet side canal of said front-end face channel connection and said exhaust side long-channel, and said oil-feed system is communicated with the air inlet side canal the other end.
Said oil-feed system comprises bolt hole oil inlet passage, air inlet face passage and oil cavity channel; Said oil inlet passage is communicated with an end of said air inlet face passage; The other end of said air inlet face passage is communicated with an end of said oil cavity channel, and the other end of said oil cavity channel is communicated with said air inlet side canal.
Said air inlet face passage, oil cavity channel, air inlet side canal, front-end face passage and said exhaust side long-channel end all seal through steel ball oil is stifled.
Said time the oil duct system comprises at least two little oil ducts of every cylinder that are separately positioned on said air inlet side canal and the said exhaust side long-channel, and said little oil duct end is communicated with in the camshaft bearing journal place.
Said air inlet side attachment face is provided with four gas-entered passageways, and said each gas-entered passageway is terminal all to be communicated with the firing chamber, and the end of said each gas-entered passageway is divided into independently two air inlet air flues.
Said air inlet side attachment face, exhaust side attachment face, front end attachment face and rear end attachment face are the convex type structure.
On said air inlet side attachment face and the said exhaust side attachment face bolt installation base is set all, the said bolt installation base outside is provided with stiffening rib.
A kind of put-put cylinder cap of the utility model; Because its said built-in egr system comprises exhaust side inlet, built-in channel and the outlet that is arranged on the lid; Said gas gets in the lid and by built-in channel from the exhaust side inlet and passes, and through port is drawn.The advantage that has so in terms of existing technologies is to avoid the use of special-purpose exhaust gas reclrculation pipe (EGR pipe), and structure is compact more, and the gas flow performance better, inflation and emission performance be more superior.
Description of drawings
A kind of put-put cylinder cap of Fig. 1 the utility model embodiment air inlet side schematic representation.
A kind of put-put cylinder cap of Fig. 2 the utility model embodiment exhaust side schematic representation.
A kind of put-put cylinder cap of Fig. 3 the utility model embodiment oil duct system schematic.
A kind of put-put cylinder cap of Fig. 4 the utility model embodiment bottom schematic view.
A portion enlarged view among a kind of put-put cylinder cap of Fig. 5 the utility model Fig. 4.
The figure number explanation
1 ... Exhaust side inlet 2 ... Built-in channel 3 ... Outlet
4 ... Bolt hole oil inlet passage 5 ... Air inlet face passage 6 ... Oil cavity channel
7 ... Air inlet side canal 8 ... Front-end face passage 9 ... The exhaust side long-channel
10 ... Little oil duct 11 ... Stiffening rib 12 ... Gas-entered passageway
13 ... Air inlet air flue 14 ... Installation base 15 ... Air inlet side attachment face
16 ... Exhaust side attachment face 17 ... Front end attachment face 18 ... The rear end attachment face
19 ... Straight oil duct 20 ... Oil groove
Embodiment
Fig. 1 to Fig. 5 below in conjunction with accompanying drawing does further explain to a kind of put-put cylinder cap of the utility model.
A kind of put-put cylinder cap of the utility model; Please refer to Fig. 1 to Fig. 5; Comprise the lid that air inlet side attachment face 15, exhaust side attachment face 16, front end attachment face 17, rear end attachment face 18, bottom surface and end face form and be integrated in oil duct system and the built-in egr system in the said lid; Said built-in egr system comprises exhaust side inlet 1, the built-in channel 2 that is arranged on the lid and exports 3; Said gas gets in the lid and by built-in channel 2 from exhaust side inlet 1 and passes, and through port is drawn.The advantage that has so in terms of existing technologies is to avoid the use of special-purpose exhaust gas reclrculation pipe (EGR pipe), and structure is compact more, and the gas flow performance better, inflation and emission performance be more superior.
A kind of put-put cylinder cap of the utility model please refer to Fig. 1 to Fig. 5, specifically can be that said oil duct system comprises oil system, main oil gallery system and is arranged on the inferior oil duct system in the said main oil gallery system.And further preferred concrete structure to be the said oil system of going up comprise the oil groove 20 that is positioned at said lid bottom surface, said oil groove 20 is communicated with through straight oil duct 19 with said main oil gallery.Like this, machine oil gets into DVCP (the two variable cam phase places of Double variable cam phase) system be input to the front bearing retainer of camshaft through oil groove 20 and straight passage after again, accomplishes the adjusting of camshaft timing.It is the oil duct that on the existing structure of cylinder cap, sets up, and has both guaranteed the compactness of cylinder cap structure, do not increase the weight of cylinder cap again, and processing technology is simple.Can also be that said main oil gallery system comprises air inlet side canal 7, exhaust side long-channel 9, front-end face passage 8 and oil-feed system; Said front-end face passage 8 is communicated with an end of said air inlet side canal 7 and said exhaust side long-channel 9, and said oil-feed system is communicated with air inlet side canal 7 the other ends.Further optimized technical scheme is that said oil-feed system comprises bolt hole oil inlet passage 4, air inlet face passage 5 and oil cavity channel 6; Said oil inlet passage is communicated with an end of said air inlet face passage 5; The other end of said air inlet face passage 5 is communicated with an end of said oil cavity channel 6, and the other end of said oil cavity channel 6 is communicated with said air inlet side canal 7.The main oil gallery system architecture is compact like this.And further optimized technical scheme is that said air inlet face passage 5, oil cavity channel 6, air inlet side canal 7, front-end face passage 8 and said exhaust side long-channel 9 ends all seal through steel ball oil is stifled.For original screw thread stopped up the sealing means of encrypting sealing, technology had been simplified in the stifled sealing of steel ball oil, and has reduced cost.Can also be that said oil duct system comprises at least two little oil ducts 10 of every cylinder that are separately positioned on said air inlet side canal 7 and the said exhaust side long-channel 9, said little oil duct 10 ends be communicated with in the camshaft bearing journal place.Like this, machine oil gets in the little oil duct 10 through the main oil gallery system, and then the axle journal that gets into each camshaft respectively is lubricated, thereby reaches good lubrication effect.Because above-mentioned oil duct all is on lid, directly to process, guarantee structural compactness, guarantee each cam journal good lubricating effect again simultaneously, reduced frictional work.
A kind of put-put cylinder cap of the utility model; Please refer to Fig. 1 to Fig. 5; In front on the basis of described technological scheme; Can also be four gas-entered passageways 12 that are arranged on the said air inlet side attachment face 15, said each gas-entered passageway 12 end all be communicated with the firing chamber, and the end of said each gas-entered passageway 12 is divided into independently two air inlet air flues 13.Such this structure had both guaranteed reducing of intake resistance in the intake process; Owing to be divided into two independently gas ports, help increasing the air inlet area simultaneously, improve intake efficiency at inlet; Also can play simultaneously and increase the firing chamber intake swirl; Increase velocity of propagation of flame in the firing chamber, improve the effect of burning, improve engine emission and the effect that reduces engine consumption thereby play.Can also be that said air inlet side attachment face 15, exhaust side attachment face 16, front end attachment face 17 and rear end attachment face 18 are the convex type structure.Save material and working area, reduced the weight of part.In addition, can also be on said air inlet side attachment face 15 and the said exhaust side attachment face 16 bolt installation base 14 to be set all, said bolt installation base 14 outsides are provided with stiffening rib 11.The effect of stiffening rib 11 is to guarantee that the installation strength of bolt installation base 14 reduces the weight of part simultaneously.
Above-mentionedly only several kinds of specific embodiments in the utility model are explained; But can not be as the protection domain of the utility model; Every equivalence variation of having done according to the design spirit in the utility model or modification or equal proportion are amplified or are dwindled etc., all should think the protection domain that falls into the utility model.
Claims (10)
1. put-put cylinder cap; Comprise the lid that air inlet side attachment face, exhaust side attachment face, front end attachment face, rear end attachment face, bottom surface and end face form and be integrated in oil duct system and the built-in egr system in the said lid; It is characterized in that: said built-in egr system comprises exhaust side inlet, built-in channel and the outlet that is arranged on the lid; Said gas gets in the lid and by built-in channel from the exhaust side inlet and passes, and through port is drawn.
2. a kind of put-put cylinder cap according to claim 1 is characterized in that: said oil duct system comprises oil system, main oil gallery system and is arranged on the inferior oil duct system in the said main oil gallery system.
3. a kind of put-put cylinder cap according to claim 2 is characterized in that: the said oil system of going up comprises the oil groove that is positioned at said lid bottom surface, and said oil groove is communicated with through straight oil duct with said main oil gallery.
4. a kind of put-put cylinder cap according to claim 2; It is characterized in that: said main oil gallery system comprises air inlet side canal, exhaust side long-channel, front-end face passage and oil-feed system; One end of said air inlet side canal of said front-end face channel connection and said exhaust side long-channel, said oil-feed system is communicated with the air inlet side canal the other end.
5. a kind of put-put cylinder cap according to claim 4; It is characterized in that: said oil-feed system comprises bolt hole oil inlet passage, air inlet face passage and oil cavity channel; Said oil inlet passage is communicated with an end of said air inlet face passage; The other end of said air inlet face passage is communicated with an end of said oil cavity channel, and the other end of said oil cavity channel is communicated with said air inlet side canal.
6. a kind of put-put cylinder cap according to claim 5 is characterized in that: said air inlet face passage, oil cavity channel, air inlet side canal, front-end face passage and said exhaust side long-channel end all seal through steel ball oil is stifled.
7. a kind of put-put cylinder cap according to claim 4; It is characterized in that: said time the oil duct system comprises at least two little oil ducts of every cylinder that are separately positioned on said air inlet side canal and the said exhaust side long-channel, and said little oil duct is terminal to be communicated with the camshaft bearing journal place.
8. according to the described a kind of put-put cylinder cap of any claim in the claim 1 to 7; It is characterized in that: said air inlet side attachment face is provided with four gas-entered passageways; Said each gas-entered passageway is terminal all to be communicated with the firing chamber, and the end of said each gas-entered passageway is divided into independently two air inlet air flues.
9. according to the described a kind of put-put cylinder cap of any claim in the claim 1 to 7, it is characterized in that: said air inlet side attachment face, exhaust side attachment face, front end attachment face and rear end attachment face are the convex type structure.
10. according to the described a kind of put-put cylinder cap of any claim in the claim 1 to 7; It is characterized in that: on said air inlet side attachment face and the said exhaust side attachment face bolt installation base is set all, the said bolt installation base outside is provided with stiffening rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205607099U CN202468044U (en) | 2011-12-29 | 2011-12-29 | Small gasoline engine cylinder cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205607099U CN202468044U (en) | 2011-12-29 | 2011-12-29 | Small gasoline engine cylinder cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202468044U true CN202468044U (en) | 2012-10-03 |
Family
ID=46916208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205607099U Expired - Fee Related CN202468044U (en) | 2011-12-29 | 2011-12-29 | Small gasoline engine cylinder cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202468044U (en) |
Cited By (4)
| 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 |
| CN103742303A (en) * | 2014-01-26 | 2014-04-23 | 奇瑞汽车股份有限公司 | EGR (exhaust gas recirculation) passage structure and EGR system |
| CN103758653A (en) * | 2013-12-31 | 2014-04-30 | 广西玉柴机器股份有限公司 | Diesel engine cylinder cover for high-speed ship |
| CN104005874A (en) * | 2014-06-09 | 2014-08-27 | 广西玉柴机器股份有限公司 | Lightweight structure of cylinder body |
-
2011
- 2011-12-29 CN CN2011205607099U patent/CN202468044U/en not_active Expired - Fee Related
Cited By (5)
| 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 |
| CN103758653A (en) * | 2013-12-31 | 2014-04-30 | 广西玉柴机器股份有限公司 | Diesel engine cylinder cover for high-speed ship |
| CN103742303A (en) * | 2014-01-26 | 2014-04-23 | 奇瑞汽车股份有限公司 | EGR (exhaust gas recirculation) passage structure and EGR system |
| CN103742303B (en) * | 2014-01-26 | 2016-01-27 | 奇瑞汽车股份有限公司 | A kind of EGR channel structure and egr system |
| CN104005874A (en) * | 2014-06-09 | 2014-08-27 | 广西玉柴机器股份有限公司 | Lightweight structure of cylinder body |
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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: 20121003 Termination date: 20191229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |