CN203742826U - Automobile engine timing cavity structure - Google Patents
Automobile engine timing cavity structure Download PDFInfo
- Publication number
- CN203742826U CN203742826U CN201420043984.7U CN201420043984U CN203742826U CN 203742826 U CN203742826 U CN 203742826U CN 201420043984 U CN201420043984 U CN 201420043984U CN 203742826 U CN203742826 U CN 203742826U
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- timing
- sealing
- cylinder block
- housing
- engine
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Abstract
An automobile engine timing cavity structure is used for solving the sealing problem of an engine air cylinder head, an air cylinder body, an oil pan and a timing cover. According to the automobile engine timing cavity structure, the split type timing cover is adopted and comprises an upper timing cover body and a lower timing cover body, the upper timing cover body, the air cylinder head and an air cylinder cover are sealed and assembled to form a timing cavity of the engine air cylinder head, and the lower timing cover body and the air cylinder body are sealed and assembled to form a timing cavity of the engine air cylinder head body. The automobile engine timing cavity structure is characterized in that the sealing surface of the air cylinder body and the lower timing cover body is a periphery closed type vertical sealing surface. The automobile engine timing cavity structure can improve the sealing effect of the timing cavity of an engine, reduce sealing cost, and simplify assembling of a timing mechanism, and the light weight target of the engine is facilitated.
Description
Technical field
The utility model relates to a kind of motor car engine, and especially a kind of timing cavity configuration of motor car engine, belongs to technical field of internal combustion engines.
Background technique
Along with the development of automotive engineering, the energy-saving and emission-reduction of motor, compactedness and light-weight design standard increasingly stringent, therefore not only engine block structure intensity is had higher requirement, and engine performance index also needs continuous improvement.Gas distribution system structure is one of key factor affecting engine performance, the camshaft of gas distribution system is generally driven by timing drive mechanism by bent axle, to ensure the correct port timing of motor, to improve engine power performance and economic performance, engine timing driving mechanism is arranged in engine timing chamber.
As shown in Figure 1, existing engine timing chamber adopts monolithic construction mostly, it is sealed by an integrated type timing housing, its shortcoming is that sealing position relates to timing housing 6, cylinder block 3 and cylinder head 2 horizontal seal faces and vertically the T-shape bond zone of sealing surface, timing housing 6, valve mechanism cover 1 and cylinder head 2 horizontal seal faces and vertically the T-shape bond zone of sealing surface, timing housing 6, cylinder block 3 and oil sump 5 horizontal seal faces and vertically the T-shape bond zone of sealing surface, for the motor with lower cylinder body 4, sealing position relates to and also relates to timing housing 6, lower cylinder body 4 and oil sump 5 horizontal seal faces and vertically " T " bond zone of sealing surface, owing to needing the cooperation of three part sealing surfaces in above-mentioned T-shape bond zone, particularly in engine operation process, inevitably produce vibrations, sealing difficulty is large, sealing cost is higher.
For addressing the above problem, some motor has adopted split type timing cavity configuration, but its split type timing cover need accurately coordinate with engine timing mechanism while covering on assembling, assembling difficulty is larger, must ensure its assembly precision by auxiliary mould, and existing split type timing cavity configuration still cannot avoid sealing the sealing problem of position T-shape calmodulin binding domain CaM completely.
In addition, existing engine timing housing generally adopts aluminum casting or steel stamping part, exists the defect that manufacture cost is high, do not meet compact type, light-weight design theory.
Model utility content
The purpose of this utility model is the drawback for prior art, provide one can not only improve sealing effect, reduce sealing cost, and can make timing mechanism assembling simplify, improve simultaneously timing chamber structural strength, improve its mode of vibration, reduce the car engine timing cavity configuration that the material of timing housing is required, is conducive to realize motor lightweight target.
Problem described in the utility model realizes with following technical proposals:
A kind of car engine timing cavity configuration, it adopts split type timing housing, described split type timing housing comprises timing housing and lower timing housing, after described upper timing housing and cylinder head, valve mechanism cover sealing assembling, form cylinder cover timing cavity, after described lower timing housing and cylinder block sealing assembling, form engine cylinder part timing cavity, its specialization is, the sealing surface of described cylinder block and lower timing housing is the vertical sealing surface of periphery closed type.
Above-mentioned car engine timing cavity configuration, described cylinder block upper-end surface arranges sealing configuration, in cylinder block lower end surface, lower seal structure is set.
Above-mentioned car engine timing cavity configuration, the side sealing face of described upper sealing configuration, lower seal texture edge and cylinder block forms periphery closed type vertical plane, and lower timing housing and cylinder block are by this periphery closed type vertical plane sealing assembling.
Above-mentioned car engine timing cavity configuration, sealing configuration upper end horizontal plane sealing assembling in described cylinder head and cylinder block.
Above-mentioned car engine timing cavity configuration, described oil sump and cylinder block lower seal structure lower end horizontal plane sealing assembling.
Above-mentioned car engine timing cavity configuration, described lower timing housing adopts plastic material, and at its surface coating sound absorption material.
The utility model has been completely free of the sealing problem of sealing position T-shape calmodulin binding domain CaM by improving engine timing cavity configuration, simplify the sealing configuration in engine timing chamber, it by arranging sealed faying face between two component, improve sealing effect, also make timing mechanism assembly problem simplify, without special tooling, the utility model is by setting up sealing configuration in cylinder block upper-end surface, set up lower seal structure in cylinder block lower end surface, improve the structural strength in timing chamber, improve the mode of vibration in timing chamber, the structural strength of timing housing is required greatly to reduce simultaneously, therefore can adopt the lower timing housing of plastic material, and apply sound absorption material by surface, make it have excellent NVH performance, with existing aluminum casting or steel stamping part comparison, not only be conducive to the lightweight of motor, and there is better preparation process, the periphery pipeline such as oil rule conduit can be integrated on timing housing in addition, greatly improve the compactedness of motor.In a word, the utility model can improve the sealing effect in engine timing chamber, reduces sealing cost, can make again timing mechanism assembling simplify, and is also conducive to realize motor lightweight target simultaneously.
Brief description of the drawings
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is existing integrated type engine timing chamber blast structural representation;
Fig. 2 is blast structural representation of the present utility model;
Fig. 3 is block structure schematic diagram of the present utility model;
Fig. 4 is cross-sectional view of the present utility model;
Fig. 5 is A place structure enlarged view in Fig. 4;
Fig. 6 is B place structure enlarged view in Fig. 4.
In figure, each list of reference numerals is: 1, valve mechanism cover, 2, cylinder head, 3, cylinder block, 3-1, upper sealing configuration, 3-2, lower seal structure, 3-3, cylinder block side sealing surface, 4, lower cylinder body, 5, oil sump, 6, timing housing, 6-1, upper timing housing, 6-2, lower timing housing.
Embodiment
Referring to Fig. 2, Fig. 3, the utility model adopts split type timing housing 6, described split type timing housing 6 comprises timing housing 6-1 and lower timing housing 6-2, after described upper timing housing 6-1 and cylinder head 2, valve mechanism cover sealing assembling, form cylinder cover timing cavity, after described lower timing housing 6-2 and cylinder block 3 sealing assemblings, form engine cylinder part timing cavity, its specialization is: described cylinder block 3 is the vertical sealing surface of periphery closed type with the sealing surface of lower timing housing 6-2.
Referring to Fig. 3, Fig. 4, the utility model arranges sealing configuration 3-1 in cylinder block 3 upper-end surfaces, and lower seal structure 3-2 is set in cylinder block lower end surface; Described upper sealing configuration 3-1, the side of lower seal structure 3-2 and the side sealing face of cylinder block 3 form periphery closed type vertical plane, and lower timing housing 6-2 and cylinder block 3 are by this periphery closed type vertical plane sealing assembling.
Referring to Fig. 4, Fig. 5, sealing configuration 3-1 upper end horizontal plane sealing assembling in cylinder head 2 of the present utility model and cylinder block.
Referring to Fig. 4, Fig. 6, oil sump 5 of the present utility model and cylinder block lower seal structure 3-2 lower end horizontal plane sealing assembling.
Referring to Fig. 1～Fig. 6, the utility model is explained as follows:
Specific embodiment of the utility model is a kind of car engine timing cavity configuration that is applicable to the timing chain kind of drive, its assembly process is: by cylinder head assembly construction bolt, the cylinder head having assembled 2 is assemblied in cylinder block 3, first camshaft timing chain is assembled with crankshaft sprocket part, again chain is passed to sealing configuration 3-1 in cylinder block, the cavity forming between cylinder block lower seal structure 3-2 and cylinder block 3, be assemblied on camshaft sprocket, then timing guide rail and stretcher are installed, pull up stretcher lock pin, install timing housing 6-1 and lower timing housing 6-2, oil sump 5 is installed, is completed the assembling of timing system.Because its assembly process is simple, do not relate to influencing each other between component, without assembly tooling, without on lower timing housing, timing system installing technological hole being set, greatly improve the efficiency of assembling of timing system.
Outstanding feature of the present utility model is: at one by cylinder block 3, cylinder head 2, timing housing 6, in the timing cavity configuration that multiple component such as oil sump 5 surround, avoid T-shape surface seal structure completely, because T-shape surface seal structure relates to the sealing problem of three or four component, affected by machining accuracy and its intrinsic different vibration frequencies of each component sealing surface, its sealing difficulty is large especially, at present, sealing for T-shape face generally adopts coating technique, need Special coating glue machine, technological requirement is high, be subject to that tree lace is conforming to be affected, the oil impregnate probability of T-shape sealing surface cannot thoroughly be stopped, have a strong impact on the quality of motor.Although some car engine timing chambeies have adopted the sealing configurations such as metal mold pressing rubber gasket, and because of its complex manufacturing technology, cost is high.It is by sealing configuration 3-1 being set in cylinder block 3 upper-end surfaces that the utility model is cancelled T-shape surface seal structure, arrange in cylinder block lower end surface lower seal structure 3-2 realize, upper sealing configuration 3-1 and lower seal structure 3-2 make in timing cavity configuration that housing 6-1 in cylinder block 3, cylinder head 2, timing, timing lower cover 6-2, oil sump 5 surround, between the fitting surface of two parts, seal, owing to not relating to the sealing problem of the 3rd component, thereby the sealing in engine timing chamber is simplified, reduced difficulty and the cost of sealing.
In cylinder block 3 of the present utility model, sealing configuration 3-1 separates timing housing 6-1 and lower timing housing 6-2, in realization between timing housing 6-1 and cylinder head 2, between lower timing housing 6-2 and cylinder block 3, be two independently sealing units, it is independent of each other in the cooperation of sealing surface, equally, cylinder block 3 lower seal structure 3-2 separate lower timing housing 6-2 and oil sump 5, realize between lower timing housing 6-2 and cylinder block 3, and between oil sump 5 and cylinder block 3, be two independently sealing units, it is independent of each other in the cooperation of sealing surface, in cylinder block 3, to make between cylinder head 2 and cylinder block 3 be an independently sealing unit to sealing configuration 3-1, the cooperation of its sealing surface does not relate to timing housing 6-1 and lower timing housing 6-2, the cylinder head gasket timing side margin being arranged on like this between cylinder head 2 and cylinder block 3 can be opened to the outside world completely, in having avoided cylinder head gasket to seal between to cylinder head 2 and cylinder block 3, the sealing between timing housing 6 also will be taken into account in its edge, equally also not existing because cylinder head gasket has certain compressed thickness causes T-shape junction plane herein to seal the problem worsening.
Cylinder block 3 lower seal structure 3-2 of the present utility model link together the enlargement of crankcase end of cylinder block 3 as same side bar, contribute to improve cylinder block 3 enlargement of crankcase structural strength, improve its mode of vibration; In cylinder block 3, sealing configuration 3-1 and lower seal structure 3-2 are arranged at the edge in cylinder block 3 timing chambeies, contribute to improve timing chamber structural strength, improve its mode of vibration.
Upper sealing configuration 3-1 of the present utility model, the side of lower seal structure 3-2 and the side sealing face of cylinder block 3 form periphery closed type vertical plane, have avoided inclined-plane or globoidal structure, greatly reduce the difficulty of processing of cylinder block 3, improve work efficiency.
The car engine timing cavity configuration intensity related due to the utility model is good, reduce the requirement of strength to lower timing housing 6-2, make so lower timing housing 6-2 adopt plastic material to become first-selection, plastic material structure is not only conducive to realize the lightweight target of motor, and machining accuracy is easy to ensure, be convenient to the moulding of labyrinth, so just, oil rule conduit and other pipelines etc. can be integrated on lower timing housing 6-2, improve the compactedness of motor, can, at its surface coating sound absorption material, make it have excellent NVH effect simultaneously.
Claims (6)
1. a car engine timing cavity configuration, it adopts split type timing housing (6), described split type timing housing (6) comprises timing housing (6-1) and lower timing housing (6-2), described upper timing housing (6-1) and cylinder head (2), after valve mechanism cover sealing assembling, form cylinder cover timing cavity, described lower timing housing (6-2) and the rear engine cylinder part timing cavity that forms of cylinder block (3) sealing assembling, it is characterized in that, described cylinder block (3) is the vertical sealing surface of periphery closed type with the sealing surface of lower timing housing (6-2).
2. a kind of car engine timing cavity configuration according to claim 1, is characterized in that, described cylinder block (3) upper-end surface arranges sealing configuration (3-1), in cylinder block (3) lower end surface, lower seal structure (3-2) is set.
3. a kind of car engine timing cavity configuration according to claim 2, it is characterized in that, the side sealing face of the side of described upper sealing configuration (3-1), lower seal structure (3-2) and cylinder block (3) forms periphery closed type vertical plane, and lower timing housing (6-2) assembles by this periphery closed type vertical plane sealing with cylinder block (3).
4. a kind of car engine timing cavity configuration according to claim 2, is characterized in that, sealing configuration (3-1) upper end horizontal plane sealing assembling in described cylinder head (2) and cylinder block.
5. a kind of car engine timing cavity configuration according to claim 2, is characterized in that, described oil sump (5) and cylinder block lower seal structure (3-2) lower end horizontal plane sealing assembling.
6. according to a kind of car engine timing cavity configuration described in claim 3 or 4 or 5, it is characterized in that, described lower timing housing (6-2) adopts plastic material, and at its surface coating sound absorption material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420043984.7U CN203742826U (en) | 2014-01-24 | 2014-01-24 | Automobile engine timing cavity structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420043984.7U CN203742826U (en) | 2014-01-24 | 2014-01-24 | Automobile engine timing cavity structure |
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| Publication Number | Publication Date |
|---|---|
| CN203742826U true CN203742826U (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420043984.7U Expired - Fee Related CN203742826U (en) | 2014-01-24 | 2014-01-24 | Automobile engine timing cavity structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN203742826U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104343577A (en) * | 2014-09-28 | 2015-02-11 | 长城汽车股份有限公司 | Sealing device, engine and vehicle |
| CN106438097A (en) * | 2016-10-27 | 2017-02-22 | 奇瑞汽车股份有限公司 | Engine timing cover cap structure and installing method thereof |
| CN108194220A (en) * | 2017-12-27 | 2018-06-22 | 广西玉柴机器股份有限公司 | Cylinder head gear chamber sealing structure |
| CN109072813A (en) * | 2016-04-07 | 2018-12-21 | 爱知机械工业株式会社 | Cylinder body and internal combustion engine with the cylinder body |
| CN112145305A (en) * | 2020-09-30 | 2020-12-29 | 广西玉柴机器股份有限公司 | Cylinder body integrating chain cavity |
| CN112145311A (en) * | 2020-09-30 | 2020-12-29 | 广西玉柴机器股份有限公司 | Engine arrangement structure integrating chain cavity |
-
2014
- 2014-01-24 CN CN201420043984.7U patent/CN203742826U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104343577A (en) * | 2014-09-28 | 2015-02-11 | 长城汽车股份有限公司 | Sealing device, engine and vehicle |
| CN109072813A (en) * | 2016-04-07 | 2018-12-21 | 爱知机械工业株式会社 | Cylinder body and internal combustion engine with the cylinder body |
| CN109072813B (en) * | 2016-04-07 | 2020-07-28 | 爱知机械工业株式会社 | Cylinder block and internal combustion engine with same |
| CN106438097A (en) * | 2016-10-27 | 2017-02-22 | 奇瑞汽车股份有限公司 | Engine timing cover cap structure and installing method thereof |
| CN108194220A (en) * | 2017-12-27 | 2018-06-22 | 广西玉柴机器股份有限公司 | Cylinder head gear chamber sealing structure |
| CN108194220B (en) * | 2017-12-27 | 2020-02-21 | 广西玉柴机器股份有限公司 | Cylinder head gear chamber seal structure |
| CN112145305A (en) * | 2020-09-30 | 2020-12-29 | 广西玉柴机器股份有限公司 | Cylinder body integrating chain cavity |
| CN112145311A (en) * | 2020-09-30 | 2020-12-29 | 广西玉柴机器股份有限公司 | Engine arrangement structure integrating chain cavity |
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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: 20140730 Termination date: 20220124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |