CN204152573U - A kind of novel twin cylinder engine distribution device - Google Patents
A kind of novel twin cylinder engine distribution device Download PDFInfo
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- CN204152573U CN204152573U CN201420508478.0U CN201420508478U CN204152573U CN 204152573 U CN204152573 U CN 204152573U CN 201420508478 U CN201420508478 U CN 201420508478U CN 204152573 U CN204152573 U CN 204152573U
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- exhaust
- valve
- intake
- cylinder
- cam shaft
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Abstract
The utility model discloses a kind of novel twin cylinder engine distribution device, admission cam shaft comprises the first axle and a pair first cylinder intake cams being sleeved on successively on the first axle and a pair second cylinder intake cams, exhaust cam shaft comprises the second axle and a pair first cylinder exhaust cams being sleeved on successively on the second axle and a pair second cylinder exhaust cams, and the first cylinder intake cam and the second cylinder intake cam are staggered 180 ° and arrange, the first cylinder exhaust cam and the second cylinder exhaust cam are staggered 180 ° and arrange; In four intake cams and four exhaust cams, side-lower is tiltedly installed with four intake valves corresponding with each intake cam and exhaust cam and four exhaust valves respectively; Valve tappet is provided with, intake valve and be respectively equipped with intake valve oil sealing and exhaust valve oil sealing between exhaust valve with each corresponding valve guide bushing between the cam and valve of each correspondence.Compact mechanical structure of the present utility model is simple, and stable drive, engine power performance is powerful, fills exhaust efficiency high, and is beneficial to processing.
Description
Technical field
The utility model relates to a kind of mixed power twin cylinder engine distribution device, particularly a kind of control fuel injection gasoline twin cylinder engine distribution device.
Background technique
The world today, energy problem is not only global large problem, is also the key factor being conscientiously related to our common people's life.Rise of the oil price has driven the development of new-energy automobile, and current Technology of Hybrid Electric Vehicle more and more presses close to our life.Because hybrid vehicle has electric motor assisting, so will reduce the requirement of the discharge capacity of motor as motor.Therefore, market is badly in need of a kind of advanced technology, compact structure, superior performance, discharge capacity are little, power consumption less, discharge low motor, mate hybrid vehicle.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of novel twin cylinder engine distribution device, compact structure, meet that discharge capacity is little, power consumption less, discharge the requirement of low motor.
For solving the problems of the technologies described above, technical solution adopted in the utility model is:
A kind of novel twin cylinder engine distribution device, comprises admission cam shaft and exhaust cam shaft; Described admission cam shaft comprises the first axle and a pair first cylinder intake cams being sleeved on successively on the first axle and a pair second cylinder intake cams, described exhaust cam shaft comprises the second axle and a pair first cylinder exhaust cams being sleeved on successively on the second axle and a pair second cylinder exhaust cams, and the first cylinder intake cam and the second cylinder intake cam are staggered 180 ° and arrange, the first cylinder exhaust cam and the second cylinder exhaust cam are staggered 180 ° and arrange; In four intake cams and four exhaust cams, side-lower is tiltedly installed with four intake valves corresponding with each intake cam and exhaust cam and four exhaust valves respectively; Valve tappet is provided with between the cam and valve of each correspondence, and be set with valve guide bushing and valve spring successively from inside to outside at the outer surface of each valve, cotter seat and valve spring holder is respectively equipped with in the upper and lower of valve spring, intake valve and exhaust valve are fixed on cotter seat respectively by valve collet, intake valve and be respectively equipped with intake valve oil sealing and exhaust valve oil sealing between exhaust valve with each corresponding valve guide bushing.
Wherein, be respectively equipped with admission cam shaft timing sprocket and exhaust cam shaft timing sprocket at the front end of admission cam shaft and the front end of exhaust cam shaft, and admission cam shaft timing sprocket and exhaust cam shaft timing sprocket are arranged on corresponding camshaft respectively by timing sprocket clamping bolt.
Wherein, the angle in the perpendicular direction of linear movement direction of described intake valve is 16.2-16.6 °, and the angle in the perpendicular direction of linear movement direction of exhaust valve is 17-17.2 °.
Wherein, the angle in the perpendicular direction of linear movement direction of described intake valve is 16.4 °, and the angle in the perpendicular direction of linear movement direction of exhaust valve is 17.1 °.
Wherein, the axis spacing of described admission cam shaft and exhaust cam shaft is 90-100mm.
Wherein, the axis spacing of described admission cam shaft and exhaust cam shaft is 96mm.
The beneficial effect adopting technique scheme to produce is:
The utility model adopts crest places the cam axis mechanism, and shorten the distance between camshaft and valve, valve actuating gear is less, and structure is simple, and the structure of motor is become compacter.The more important thing is, this installation can reduce the reciprocating quality of whole system, improves transmission efficiency.Every cylinder adopts the Four valve setting type of two intake valves and two exhaust valves, can in engine working process, the more air of inspiration carrys out blended fuel oil work by combustion, save fuel oil, combustion gas quickly, exhaust emission is few, can improve engine power and reduce noise, meeting the developing direction of optimizing the environment and saving the energy.Valve is arranged on the position of both sides, combustion chamber of air cylinder center inclination, expands the diameter of valve head as far as possible, adds air flow by area, improve scavenging performance, forms the compact type firing chamber that a spark plug is positioned at central authorities, is conducive to mixer and burns rapidly.Camshaft adopts timing chain drive cam shaft timing sprocket, long service life, failure rate is low.The utility model automobile engine air distributing device adopts such structure, and existing simple mechanical structure, has again powerful power character, and be beneficial to production, the utility model compact structure, stable drive, reduce noise, reduce frictional loss, it is high that motor fills exhaust efficiency.
The utility model considers motor work cycle in the process that 720 °, bent axle rotates, 1 cylinder and 2 cylinders can evenly be lighted a fire and do work, therefore employing Synchronization Design, namely the piston of two cylinders when engine running the same with under, for coordinating engine synchronization design, camshaft design is: the first cylinder intake cam and the second cylinder intake cam are staggered 180 ° and arrange, and the first cylinder exhaust cam and the second cylinder exhaust cam are staggered 180 ° and arrange.The advantage of this design is, motor work cycle, and time of ignition is distribution, and acting interval time is also identical, there is not acting interval time long energy loss large, the little characteristic of short capacity loss acting interval time.The consistent level of engine operation can equal to four cylinder engine, and fuel economy and emission control aspect also have very large advantage.
The angle in the perpendicular direction of linear movement direction of intake valve is 16.2-16.6 °, and be preferably 16.4 °, the angle in the perpendicular direction of linear movement direction of exhaust valve is 17-17.2 °, is preferably 17.1 °.Under the condition of this valve angle, compared to similar products, can realize intake resistance little, charging efficiency is high, takes into account power character and Economy, and exhaust angle is suitable for, and intake and exhaust air-flow is interfered less, exhaust steady and smooth.
The axis spacing of admission cam shaft and exhaust cam shaft is 90-100mm, is preferably 96mm.Like this can when ensureing intake and exhaust cam axle mutual noninterference, the gap of camshaft sprocket ensures 2mm, compared to similar products before, improves chaindriven stationarity, reduces noise, be conducive to chaindriven tensioning, improve chaindriven efficiency.
Accompanying drawing explanation
Fig. 1 is the utility model automobile engine air distributing device overall pattern;
Fig. 2 is the utility model automobile engine air distributing device Local map;
In figure: 1, admission cam shaft, 2, exhaust cam shaft, 3, admission cam shaft timing sprocket, 4, exhaust cam shaft timing sprocket, 5, timing sprocket clamping bolt, 6, valve tappet, 7, cotter seat, 8, valve spring, 9, valve collet, 10, intake valve oil sealing, 11, valve guide bushing, 12, valve spring holder, 13, intake valve, 14, exhaust valve.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, 2, the utility model discloses a kind of novel twin cylinder engine distribution device, comprise admission cam shaft 1 and exhaust cam shaft 2; Admission cam shaft 1 is 90-100mm with the axis spacing of exhaust cam shaft 2, and be preferably 96mm, this spacing can ensure the mutual noninterference of intake and exhaust cam axle, and the gap of two cam shaft timing chain wheels ensures 2mm.Described admission cam shaft 1 comprises the first axle and a pair first cylinder intake cams being sleeved on successively on the first axle and a pair second cylinder intake cams, described exhaust cam shaft 2 comprises the second axle and a pair first cylinder exhaust cams being sleeved on successively on the second axle and a pair second cylinder exhaust cams, and the first cylinder intake cam and the second cylinder intake cam are staggered 180 ° and arrange, the first cylinder exhaust cam and the second cylinder exhaust cam are staggered 180 ° and arrange; In four intake cams and four exhaust cams, side-lower is tiltedly installed with four intake valves 13 corresponding with each intake cam and exhaust cam and four exhaust valves 14 respectively; And the angle in the perpendicular direction of the linear movement direction of intake valve 13 is 16.2-16.6 °, be preferably 16.4 °, the angle in the perpendicular direction of linear movement direction of exhaust valve 14 is 17-17.2 °, is preferably 17.1 °; This angle is arranged, and takes into account power character and Economy, intake and exhaust steady and smooth.Valve tappet 6 is provided with between the cam and valve of each correspondence, and be set with valve guide bushing 11 and valve spring 8 from inside to outside successively at the outer surface of each valve, cotter seat 7 and valve spring holder 12 is respectively equipped with in the upper and lower of valve spring 8, intake valve 13 and exhaust valve 14 are fixed on cotter seat 7 respectively by valve collet 9, intake valve 13 and be respectively equipped with intake valve oil sealing 10 and exhaust valve oil sealing 15 between exhaust valve 14 with each corresponding valve guide bushing 11.
In Fig. 1, be respectively equipped with admission cam shaft timing sprocket 3 and exhaust cam shaft timing sprocket 4 at the front end of admission cam shaft 1 and the front end of exhaust cam shaft 2, and admission cam shaft timing sprocket 3 and exhaust cam shaft timing sprocket 4 are arranged on corresponding camshaft respectively by timing sprocket clamping bolt 5.Admission cam shaft timing sprocket 3 and exhaust cam shaft timing sprocket 4 are rotated by crank-driven by timing chain.Intake valve 13 and exhaust valve 14 do straight line motion according to cam stroke respectively on valve guide bushing 11 axial direction.After intake valve 13 and exhaust valve 14 are pressed down by corresponding cam respectively, valve spring 8 is relied on to reset.Intake valve 13 and exhaust valve 14 are respectively by valve collet 9 locking cotter seat 7.
Be provided with axle journal between two the first cylinder intake cams and be integral type structure with this axle journal, be provided with axle journal and be integral type structure with this axle journal between two the second cylinder intake cams, these two kinds of integral structures are assemblied on the first axle by drive fit; Be provided with axle journal between two the first cylinder exhaust cams and be integral type structure with this axle journal, be provided with axle journal and be integral type structure with this axle journal between two the second cylinder exhaust cams, these two kinds of integral structures are assemblied on the second axle by drive fit.Compared to the unitary design of cam of the prior art, axle journal and axle, the utility model adopts cam and axle journal to separate with the independence of axle and designs, overcome due to the manufacturing deficiency of a certain assembly and cause the entirety of camshaft to be scrapped, reduce Camshaft Production defect rate, the most important thing is, adopt the integral structure of cam and axle journal, be not only convenient to the synchronous assembling of pair of cams, and improve the assembly precision of two cams on axle.
Distribution device of the present utility model had both had simple mechanical structure, had again powerful power character, and was beneficial to production.The utility model adopts crest places the cam axis mechanism, and shorten the distance between camshaft and valve, valve actuating gear is less, and structure is simple, and the structure of motor is become compacter.The more important thing is, this installation can reduce the reciprocating quality of whole system, improves transmission efficiency.Every cylinder adopts the Four valve setting type of two intake valves and two exhaust valves, can in engine working process, the more air of inspiration carrys out blended fuel oil work by combustion, save fuel oil, combustion gas quickly, exhaust emission is few, can improve engine power and reduce noise, meeting the developing direction of optimizing the environment and saving the energy.
Claims (6)
1. a novel twin cylinder engine distribution device, comprises admission cam shaft (1) and exhaust cam shaft (2), it is characterized in that: described admission cam shaft (1) comprises the first axle and a pair first cylinder intake cams being sleeved on successively on the first axle and a pair second cylinder intake cams, described exhaust cam shaft (2) comprises the second axle and a pair first cylinder exhaust cams being sleeved on successively on the second axle and a pair second cylinder exhaust cams, and the first cylinder intake cam and the second cylinder intake cam are staggered 180 ° and arrange, the first cylinder exhaust cam and the second cylinder exhaust cam are staggered 180 ° and arrange, in four intake cams and four exhaust cams, side-lower is tiltedly installed with four intake valves (13) corresponding with each intake cam and exhaust cam and four exhaust valves (14) respectively, valve tappet (6) is provided with between the cam and valve of each correspondence, and be set with valve guide bushing (11) and valve spring (8) from inside to outside successively at the outer surface of each valve, cotter seat (7) and valve spring holder (12) is respectively equipped with in the upper and lower of valve spring (8), intake valve (13) and exhaust valve (14) are fixed on cotter seat (7) respectively by valve collet (9), intake valve (13) and be respectively equipped with intake valve oil sealing (10) and exhaust valve oil sealing (15) between exhaust valve (14) with each corresponding valve guide bushing (11).
2. novel twin cylinder engine distribution device according to claim 1, it is characterized in that: be respectively equipped with admission cam shaft timing sprocket (3) and exhaust cam shaft timing sprocket (4) at the front end of admission cam shaft (1) and the front end of exhaust cam shaft (2), and admission cam shaft timing sprocket (3) and exhaust cam shaft timing sprocket (4) are arranged on corresponding camshaft respectively by timing sprocket clamping bolt (5).
3. novel twin cylinder engine distribution device according to claim 1, it is characterized in that: the angle in the perpendicular direction of linear movement direction of described intake valve (13) is 16.2-16.6 °, the angle in the perpendicular direction of linear movement direction of exhaust valve (14) is 17-17.2 °.
4. novel twin cylinder engine distribution device according to claim 3, it is characterized in that: the angle in the perpendicular direction of linear movement direction of described intake valve (13) is 16.4 °, the angle in the perpendicular direction of linear movement direction of exhaust valve (14) is 17.1 °.
5. novel twin cylinder engine distribution device according to claim 1, is characterized in that: described admission cam shaft (1) is 90-100mm with the axis spacing of exhaust cam shaft (2).
6. novel twin cylinder engine distribution device according to claim 5, is characterized in that: described admission cam shaft (1) is 96mm with the axis spacing of exhaust cam shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420508478.0U CN204152573U (en) | 2014-09-04 | 2014-09-04 | A kind of novel twin cylinder engine distribution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420508478.0U CN204152573U (en) | 2014-09-04 | 2014-09-04 | A kind of novel twin cylinder engine distribution device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204152573U true CN204152573U (en) | 2015-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420508478.0U Expired - Fee Related CN204152573U (en) | 2014-09-04 | 2014-09-04 | A kind of novel twin cylinder engine distribution device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204152573U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895639A (en) * | 2015-05-24 | 2015-09-09 | 王华美 | High temperature resisting air cylinder exhaust valve group |
| CN105925885A (en) * | 2015-05-24 | 2016-09-07 | 王华美 | Automobile engine cylinder valve group |
-
2014
- 2014-09-04 CN CN201420508478.0U patent/CN204152573U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895639A (en) * | 2015-05-24 | 2015-09-09 | 王华美 | High temperature resisting air cylinder exhaust valve group |
| CN105925885A (en) * | 2015-05-24 | 2016-09-07 | 王华美 | Automobile engine cylinder valve group |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 054800 Qinghe County Road, Qinghe County, Hebei Province Patentee after: Leading vehicle Co., Ltd. Address before: 054800 Lijiang street, Qinghe County, Xingtai, Hebei 36 Patentee before: HEBEI YOGOMO MOTORS CO., LTD. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20200904 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |