CN203783667U - Engine valve mechanism and engine - Google Patents
Engine valve mechanism and engine Download PDFInfo
- Publication number
- CN203783667U CN203783667U CN201420041857.3U CN201420041857U CN203783667U CN 203783667 U CN203783667 U CN 203783667U CN 201420041857 U CN201420041857 U CN 201420041857U CN 203783667 U CN203783667 U CN 203783667U
- Authority
- CN
- China
- Prior art keywords
- exhaust
- axis
- rocker arm
- cam shaft
- intake
- 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 - Lifetime
Links
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 230000009977 dual effect Effects 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 abstract 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 239000011435 rock Substances 0.000 abstract 1
- 238000010304 firing Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
The utility model provides an engine valve mechanism, which comprises an intake camshaft, an exhaust camshaft, an intake rocker arm, an exhaust rocker arm, an intake hydraulic tappet, an exhaust hydraulic tappet, an intake valve, an exhaust valve, an intake valve spring and an exhaust valve spring, wherein the intake rocker arm comprises an intake rocker arm body and an intake rocker arm bearing rotatably supported to the middle part of the intake rocker arm body; the exhaust rocker arm comprises an exhaust rocker arm body and an exhaust rocker arm bearing rotatably supported to the middle part of the exhaust rocker arm body; the intake rocker arm bearing and a cam of the intake camshaft are in rolling contact fit; the exhaust rocker arm bearing and a cam of the exhaust camshaft are in rolling contact fit; the outer end of the intake rock arm body is connected with the upper end of the intake hydraulic tappet; the inner end of the intake rocker arm body is connected with the upper end of the intake valve; the outer end of the exhaust rocker arm body is connected with the upper end of the exhaust hydraulic tappet; the inner end of the exhaust rocker arm body is connected with the upper end of the exhaust valve. The engine valve mechanism provided by the utility model has the advantages that the structure is compact, and transmission is reliable.
Description
Technical field
The utility model belongs to technical field of engines, particularly relates to a kind of engine valve actuating mechanism and motor.
Background technique
Petrol engine distribution device form mainly contains SOHC Single Overhead Camshaft and Double Over Head Camshaft, and the drive form of valve mainly contains direct driving and adopts the indirect driving of rocking arm type.
The part that engine valve actuating mechanism involves is many and complicated, the performance 45%-50% of a motor is decided by performance and the ability of distribution device, in order to coordinate the use of some new technologies, as Variable Valve Time (VVT) and variable valve lift system (VVL), new design petrol engine substantially all adopts Dual Over Head Camshaft flexibly, in order to improve drive efficiency and to reduce friction, roller rocker arms equipped hydraulic tappet drives valve form to be used more.
Notice of authorization number is that the Chinese patent of CN202628209U discloses a kind of distribution device, comprise cylinder cap and be arranged on the firing chamber of cylinder cap bottom, firing chamber communicates with intake duct and air outlet flue, intake duct and firing chamber connectivity part are provided with intake valve, air outlet flue and firing chamber connectivity part are provided with exhaust valve, on intake valve and exhaust valve, be arranged with respectively a valve spring, intake valve top is provided with intake rocker and air inlet hydraulic tappet, exhaust valve top is provided with exhaust rocker arm and exhaust hydraulic tappet, the outer end of intake rocker is connected with the upper end of intake valve, the inner of intake rocker is connected with the upper end of air inlet hydraulic tappet, the outer end of exhaust rocker arm is connected with the upper end of exhaust valve, the inner of exhaust rocker arm is connected with the upper end of exhaust hydraulic tappet, like this, air inlet hydraulic tappet and exhaust hydraulic tappet have been arranged in the inner side of intake valve and the inner side of exhaust valve, between intake valve and exhaust valve, need the assembly space of reserved air inlet hydraulic tappet and exhaust hydraulic tappet, cause the angle between intake valve and exhaust valve conventionally larger, admission cam shaft and exhaust cam distance between shafts are larger, whole distribution device is compact not.
Model utility content
Technical problem to be solved in the utility model is to arrange compact not defect for existing engine valve actuating mechanism, and a kind of engine valve actuating mechanism is provided.
It is as follows that the utility model solves the problems of the technologies described above adopted technological scheme:
A kind of engine valve actuating mechanism is provided, comprise admission cam shaft, exhaust cam shaft, intake rocker, exhaust rocker arm, air inlet hydraulic tappet, exhaust hydraulic tappet, intake valve, exhaust valve, inlet-valve spring and exhaust valve spring, described inlet-valve spring is set on described intake valve, described exhaust valve spring housing is located on described exhaust valve, described admission cam shaft and described exhaust cam shaft form Dual Over Head Camshaft, described intake rocker comprises intake rocker body and is rotatably supported in the intake rocker bearing at described intake rocker body middle part, described exhaust rocker arm comprises exhaust rocker arm body and is rotatably supported in the exhaust rocker arm bearing at described exhaust rocker arm body middle part, described admission cam shaft and described exhaust cam shaft are separately positioned on the top of described intake rocker and described exhaust rocker arm, described intake rocker bearing rolls and contacts cooperation with the cam of described admission cam shaft, described exhaust rocker arm bearing rolls and contacts cooperation with the cam of described exhaust cam shaft, the outer end of described intake rocker body is connected with the upper end of described air inlet hydraulic tappet, the inner of described intake rocker body is connected with the upper end of described intake valve, the outer end of described exhaust rocker arm body is connected with the upper end of described exhaust hydraulic tappet, the inner of described exhaust rocker arm body is connected with the upper end of described exhaust valve.
Further, the lower surface of the outer end of described intake rocker is formed with intake rocker ball-and-socket, the upper end of described air inlet hydraulic tappet is formed with the first bulb being contained in described intake rocker ball-and-socket, and described the first bulb is spacing in described intake rocker ball-and-socket by one first bounding means; The lower surface of the outer end of described exhaust rocker arm is formed with exhaust rocker arm ball-and-socket, the upper end of described exhaust hydraulic tappet is formed with the second bulb being contained in described exhaust rocker arm ball-and-socket, and described the second bulb is spacing in described exhaust rocker arm ball-and-socket by one second bounding means.
Further, the distance of the axis of described admission cam shaft and engine cylinder cover bottom surface is 133~136mm, and the distance of the axis of described exhaust cam shaft and described engine cylinder cover bottom surface is 133~136mm.
Further, the distance of the center line in the axis of described admission cam shaft and cylinder hole is 57~59mm, and the distance of the center line in the axis of described exhaust cam shaft and described cylinder hole is 59~62mm.
Further, the distance of the center line in the Yu Gang hole, center of described intake rocker ball-and-socket is 71~73mm, and the distance of the center line in the center of described exhaust rocker arm ball-and-socket and described cylinder hole is 72~74mm.
Further, the distance of the horizontal plane at the axis place of the center of described intake rocker ball-and-socket and the axis of described admission cam shaft and exhaust cam shaft is 35~37mm, and the distance of the horizontal plane at the axis place of the center of described exhaust rocker arm ball-and-socket and the axis of described admission cam shaft and exhaust cam shaft is 35~37mm.
Further, the angle of the center line in the axis of described intake valve and cylinder hole is 14~16 °, and the angle of the center line in the axis of described exhaust valve and described cylinder hole is 13~15 °.
Further, the cam of described admission cam shaft and described intake rocker bearing are contacted with the first straight line, the axial plane of the axis perpendicular to described admission cam shaft of described intake valve and the crossing formation of described the first straight line the first point of contact, described the first point of contact is 10~13 ° to the angle of the vertical line of the axis of described admission cam shaft and the axis of described air inlet hydraulic tappet; The cam of described exhaust cam shaft and described exhaust rocker arm bearing are contacted with the second straight line, the axial plane of the axis perpendicular to described exhaust cam shaft of described exhaust valve and the crossing formation of described the second straight line the second point of contact, described the second point of contact is 10~13 ° to the angle of the vertical line of the axis of described exhaust cam shaft and the axis of described exhaust hydraulic tappet
Further, the angle of the axis of described air inlet hydraulic tappet and the axis of described intake valve is-3 °~3 °, and the angle of the axis of described exhaust hydraulic tappet and the axis of described exhaust valve is-3 °~3 °.When the angle of the axis of described air inlet hydraulic tappet and the axis of described intake valve is negative value, the axis that represents described air inlet hydraulic tappet turns clockwise parallel with the axis of described intake valve after the absolute value of this angle; Otherwise, the angle of the axis of described air inlet hydraulic tappet and the axis of described intake valve be on the occasion of time, the axis that represents described air inlet hydraulic tappet is rotated counterclockwise after this angle parallel with the axis of described intake valve; In like manner, when the angle of the axis of described exhaust hydraulic tappet and the axis of described exhaust valve is negative value, the axis that represents described exhaust hydraulic tappet turns clockwise parallel with the axis of described exhaust valve after the absolute value of this angle; The angle of the axis of described exhaust hydraulic tappet and the axis of described exhaust valve be on the occasion of time, the axis that represents described exhaust hydraulic tappet is rotated counterclockwise after this angle parallel with the axis of described exhaust valve.
Further, described intake rocker bearing and described exhaust rocker arm bearing are roller bearing.
Engine valve actuating mechanism of the present utility model, the outer end of described intake rocker body is connected with the upper end of described air inlet hydraulic tappet, the inner of described intake rocker body is connected with the upper end of described intake valve, the outer end of described exhaust rocker arm body is connected with the upper end of described exhaust hydraulic tappet, the inner of described intake rocker body is connected with the upper end of described exhaust valve, it is the outside that described air inlet hydraulic tappet and described exhaust hydraulic tappet are separately positioned on described intake valve and described exhaust valve, and the major part of described intake rocker body and described exhaust rocker arm body lays respectively at the outside of described intake valve and described exhaust valve, like this, between intake valve and exhaust valve, there is no other distribution device parts, intake valve and exhaust valve can be more approaching, it is enough little that valve angle can design, admission cam shaft and exhaust cam distance between shafts can be enough little, like this, whole distribution device can be more compact.In addition, intake rocker and exhaust rocker arm are arranged in to intake valve and exhaust valve both sides, can better meet in the given lower design arrangement intake rocker of other condition and exhaust rocker arm position like this layout of whole distribution device.Meanwhile, design of cam contour line nargin is larger, has improved the Security of distribution device moving element.
In addition, the utility model also provides a kind of motor, and described motor comprises above-mentioned engine valve actuating mechanism.
Brief description of the drawings
Fig. 1 is that the letter of the engine valve actuating mechanism that provides of the utility model one embodiment is drawn;
Fig. 2 is the structural representation of the engine valve actuating mechanism that provides of the utility model one embodiment;
Fig. 3 is the component exploded view of the engine valve actuating mechanism that provides of the utility model one embodiment.
Reference character in Figure of description is as follows:
1, admission cam shaft; 11, the cam of admission cam shaft; 2, exhaust cam shaft; 21, the cam of exhaust cam shaft; 3, intake rocker; 31, intake rocker body; 32, intake rocker bearing; 33, intake rocker ball-and-socket; 4, exhaust rocker arm; 41, exhaust rocker arm body; 42, exhaust rocker arm bearing; 43, exhaust rocker arm ball-and-socket; 5, air inlet hydraulic tappet; 51, the first bulb; 6, exhaust hydraulic tappet; 61, the second bulb; 7, intake valve; 8, exhaust valve; 91, inlet-valve spring; 92, exhaust valve spring; 10, the first bounding means; 20, the second bounding means; 30, engine cylinder cover bottom surface.
Embodiment
Clearer for technical problem, technological scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is described in further detail.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1 to Figure 3, the engine valve actuating mechanism that the utility model one embodiment provides, comprise admission cam shaft 1, exhaust cam shaft 2, intake rocker 3, exhaust rocker arm 4, air inlet hydraulic tappet 5, exhaust hydraulic tappet 6, intake valve 7, exhaust valve 8, inlet-valve spring 91 and exhaust valve spring 92, described inlet-valve spring 91 is set on described intake valve 7, described exhaust valve spring 92 is set on described exhaust valve 8, described admission cam shaft 1 and described exhaust cam shaft 2 form Dual Over Head Camshaft, described intake rocker 3 comprises intake rocker body 31 and is rotatably supported in the intake rocker bearing 32 at described intake rocker body 31 middle parts, described exhaust rocker arm 4 comprises exhaust rocker arm body 41 and is rotatably supported in the exhaust rocker arm bearing 42 at described exhaust rocker arm body 41 middle parts, described admission cam shaft 1 and described exhaust cam shaft 2 are separately positioned on the top of described intake rocker 3 and described exhaust rocker arm 4, described intake rocker bearing 32 rolls and contacts cooperation with the cam 11 of described admission cam shaft, described exhaust rocker arm bearing 42 rolls and contacts cooperation with the cam 21 of described exhaust cam shaft, the outer end of described intake rocker body 31 is connected with the upper end of described air inlet hydraulic tappet 5, the inner of described intake rocker body 31 is connected with the upper end of described intake valve 7, the outer end of described exhaust rocker arm body 41 is connected with the upper end of described exhaust hydraulic tappet 6, the inner of described exhaust rocker arm body 41 is connected with the upper end of described exhaust valve 8.Particularly, the inner of described intake rocker body 31 is formed with arc surface, and the upper end (rod end) of described intake valve 7 contacts with the inner arc surface of described intake rocker body 31; The inner of described exhaust rocker arm body 41 is formed with arc surface, and the upper end (rod end) of described exhaust valve 8 contacts with the inner arc surface of described exhaust rocker arm body 41.
Conventionally, be provided with firing chamber in the cylinder cap inside of motor, firing chamber is communicated with intake duct and air outlet flue.
In the present embodiment, intake valve 7 is arranged on intake duct and firing chamber connectivity part, exhaust valve 8 is arranged on air outlet flue and firing chamber connectivity part, and intake duct and firing chamber connectivity part are provided with the seat stand that supports inlet-valve spring 91, and air outlet flue and firing chamber connectivity part are provided with the seat stand that supports exhaust valve spring 92.Intake rocker 3 and air inlet hydraulic tappet 5 are arranged on the top of intake valve 7, and exhaust rocker arm 4 and exhaust hydraulic tappet 6 are arranged on the top of exhaust valve 8.
In addition, on the cylinder cap of motor, also offer the hole that fits into gas hydraulic tappet 5 and exhaust hydraulic tappet 6.
In the present embodiment, described intake rocker bearing 32 and described exhaust rocker arm bearing 42 are roller bearing.Like this, intake rocker 3 and exhaust rocker arm 4 are roller rocker arms.
In the present embodiment, the lower surface of the outer end of described intake rocker 3 is formed with intake rocker ball-and-socket 33, the upper end of described air inlet hydraulic tappet 5 is formed with and is contained in the first bulb 51 coordinating in described intake rocker ball-and-socket 33 and with described intake rocker ball-and-socket 33, and described the first bulb 51 is spacing in described intake rocker ball-and-socket 33 by one first bounding means 10; The lower surface of the outer end of described exhaust rocker arm is formed with exhaust rocker arm ball-and-socket 43, the upper end of described exhaust hydraulic tappet 6 is formed with and is contained in the second bulb 61 coordinating in described exhaust rocker arm ball-and-socket 43 and with described exhaust rocker arm ball-and-socket 43, and described the second bulb 61 is spacing in described exhaust rocker arm ball-and-socket 43 by one second bounding means 20.Realize by the way contacting of air inlet hydraulic tappet 5 and intake rocker 3, and the contacting of exhaust hydraulic tappet 6 and exhaust rocker arm 4.
In the present embodiment, as shown in Figure 1, the concrete layout of this distribution device is as follows:
The distance of the axis of described admission cam shaft 1 and engine cylinder cover bottom surface 30 is 133~136mm, and the distance of the axis of described exhaust cam shaft 2 and described engine cylinder cover bottom surface 30 is 133~136mm.
The distance (being that the cam center O3 of admission cam shaft is to the distance of the center line Z1 in cylinder hole) of the center line Z1 in the axis of described admission cam shaft 1 and cylinder hole is 57~59mm, and the distance (being that the cam center O4 of exhaust cam shaft is to the distance of the center line Z1 in cylinder hole) of the center line Z1 in the axis of described exhaust cam shaft 2 and described cylinder hole is 59~62mm.
The center O 1 of described intake rocker ball-and-socket 33 is 71~73mm with the distance of the center line Z1 in cylinder hole, and the center O 2 of described exhaust rocker arm ball-and-socket 43 is 72~74mm with the distance of the center line Z1 in described cylinder hole.
The center O 1 of described intake rocker ball-and-socket 33 is 35~37mm with the distance of the horizontal plane S1 at the axis of described admission cam shaft and the axis place of exhaust cam shaft, and the center O 2 of described exhaust rocker arm ball-and-socket 43 is 35~37mm with the distance of the horizontal plane S1 at the axis of described admission cam shaft and the axis place of exhaust cam shaft.
The angle of the axis Z2 of described intake valve 7 and the center line Z1 in cylinder hole is 14~16 °, and the angle of the center line Z1 in the axis Z3 of described exhaust valve 8 and described cylinder hole is 13~15 °.
Cam 11 and the described intake rocker bearing 32 of described admission cam shaft are contacted with the first straight line, the axial plane of the axis perpendicular to described admission cam shaft 1 of described intake valve 7 and crossing formation the first point of contact Q1 of described the first straight line, described the first point of contact Q1 is 10~13 ° to the angle of the vertical line of the axis of described admission cam shaft and the axis Z4 of described air inlet hydraulic tappet 5; Cam 21 and the described exhaust rocker arm bearing 42 of described exhaust cam shaft are contacted with the second straight line, described exhaust valve 8 perpendicular to described exhaust cam shaft 2 the axial plane and crossing formation the second point of contact Q2 of described the second straight line of axis, described the second point of contact Q2 is 10~13 ° to the angle of the vertical line of the axis of described exhaust cam shaft and the axis Z5 of described exhaust hydraulic tappet 6.
The angle of the axis Z4 of described air inlet hydraulic tappet 5 and the axis Z2 of described intake valve 7 is-3 °~3 °, and the angle of the axis Z5 of described exhaust hydraulic tappet 6 and the axis Z3 of described exhaust valve 8 is-3 °~3 °.When the angle of the axis Z4 of described air inlet hydraulic tappet 5 and the axis Z2 of described intake valve 7 is negative value, the axis Z4 that represents described air inlet hydraulic tappet 5 turns clockwise parallel with the axis Z2 of described intake valve 7 after the absolute value of this angle; Otherwise, the angle of the axis Z5 of described exhaust hydraulic tappet 6 and the axis Z3 of described exhaust valve 8 be on the occasion of time, the axis Z4 that represents described air inlet hydraulic tappet 5 is rotated counterclockwise after this angle parallel with the axis Z2 of described intake valve 7; In like manner, when the angle of the axis Z5 of described exhaust hydraulic tappet 6 and the axis Z3 of described exhaust valve 8 is negative value, the axis Z5 that represents described exhaust hydraulic tappet 6 turns clockwise parallel with the axis Z3 of described exhaust valve 8 after the absolute value of this angle; The angle of the axis Z5 of described exhaust hydraulic tappet 6 and the axis Z3 of described exhaust valve 8 be on the occasion of time, the axis Z5 that represents described exhaust hydraulic tappet 6 is rotated counterclockwise after this angle parallel with the axis Z3 of described exhaust valve 8.
Should be understood that, Fig. 1 just represents the relative position relation (design parameter) of distribution device all parts, and concrete structure refers to Fig. 2 and Fig. 3.
There is the distribution device of the above-mentioned setting type of the present embodiment, compared with the distribution device of existing setting type, in the real process of design of cam contour line, the passing ability of Valve Dynamics and motion has improved nearly 20%, improve design of cam contour line nargin, design of cam contour line is more prone to, the processing of camshaft be more prone to and processing cost lower.
In addition, the utility model is one embodiment also provide a kind of motor, and described motor comprises above-mentioned engine valve actuating mechanism.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. an engine valve actuating mechanism, it is characterized in that, comprise admission cam shaft, exhaust cam shaft, intake rocker, exhaust rocker arm, air inlet hydraulic tappet, exhaust hydraulic tappet, intake valve, exhaust valve, inlet-valve spring and exhaust valve spring, described inlet-valve spring is set on described intake valve, described exhaust valve spring housing is located on described exhaust valve, described admission cam shaft and described exhaust cam shaft form Dual Over Head Camshaft, described intake rocker comprises intake rocker body and is rotatably supported in the intake rocker bearing at described intake rocker body middle part, described exhaust rocker arm comprises exhaust rocker arm body and is rotatably supported in the exhaust rocker arm bearing at described exhaust rocker arm body middle part, described admission cam shaft and described exhaust cam shaft are separately positioned on the top of described intake rocker and described exhaust rocker arm, described intake rocker bearing rolls and contacts cooperation with the cam of described admission cam shaft, described exhaust rocker arm bearing rolls and contacts cooperation with the cam of described exhaust cam shaft, the outer end of described intake rocker body is connected with the upper end of described air inlet hydraulic tappet, the inner of described intake rocker body is connected with the upper end of described intake valve, the outer end of described exhaust rocker arm body is connected with the upper end of described exhaust hydraulic tappet, the inner of described exhaust rocker arm body is connected with the upper end of described exhaust valve.
2. engine valve actuating mechanism according to claim 1, it is characterized in that, the lower surface of the outer end of described intake rocker is formed with intake rocker ball-and-socket, the upper end of described air inlet hydraulic tappet is formed with the first bulb being contained in described intake rocker ball-and-socket, and described the first bulb is spacing in described intake rocker ball-and-socket by one first bounding means; The lower surface of the outer end of described exhaust rocker arm is formed with exhaust rocker arm ball-and-socket, the upper end of described exhaust hydraulic tappet is formed with the second bulb being contained in described exhaust rocker arm ball-and-socket, and described the second bulb is spacing in described exhaust rocker arm ball-and-socket by one second bounding means.
3. engine valve actuating mechanism according to claim 1 and 2, it is characterized in that, the distance of the axis of described admission cam shaft and engine cylinder cover bottom surface is 133~136mm, and the distance of the axis of described exhaust cam shaft and described engine cylinder cover bottom surface is 133~136mm.
4. engine valve actuating mechanism according to claim 1 and 2, is characterized in that, the distance of the center line in the axis of described admission cam shaft and cylinder hole is 57~59mm, and the distance of the center line in the axis of described exhaust cam shaft and described cylinder hole is 59~62mm.
5. engine valve actuating mechanism according to claim 2, is characterized in that, the distance of the center line in the Yu Gang hole, center of described intake rocker ball-and-socket is 71~73mm, and the distance of the center line in the center of described exhaust rocker arm ball-and-socket and described cylinder hole is 72~74mm.
6. engine valve actuating mechanism according to claim 2, it is characterized in that, the distance of the horizontal plane at the axis place of the center of described intake rocker ball-and-socket and the axis of described admission cam shaft and exhaust cam shaft is 35~37mm, and the distance of the horizontal plane at the axis place of the center of described exhaust rocker arm ball-and-socket and the axis of described admission cam shaft and exhaust cam shaft is 35~37mm.
7. engine valve actuating mechanism according to claim 1 and 2, is characterized in that, the angle of the center line in the axis of described intake valve and cylinder hole is 14~16 °, and the angle of the center line in the axis of described exhaust valve and described cylinder hole is 13~15 °.
8. engine valve actuating mechanism according to claim 1 and 2, it is characterized in that, the cam of described admission cam shaft and described intake rocker bearing are contacted with the first straight line, the axial plane of the axis perpendicular to described admission cam shaft of described intake valve and the crossing formation of described the first straight line the first point of contact, described the first point of contact is 10~13 ° to the angle of the vertical line of the axis of described admission cam shaft and the axis of described air inlet hydraulic tappet; The cam of described exhaust cam shaft and described exhaust rocker arm bearing are contacted with the second straight line, the axial plane of the axis perpendicular to described exhaust cam shaft of described exhaust valve and the crossing formation of described the second straight line the second point of contact, described the second point of contact is 10~13 ° to the angle of the vertical line of the axis of described exhaust cam shaft and the axis of described exhaust hydraulic tappet.
9. engine valve actuating mechanism according to claim 1 and 2, it is characterized in that, the angle of the axis of described air inlet hydraulic tappet and the axis of described intake valve is-3 °~3 °, and the angle of the axis of described exhaust hydraulic tappet and the axis of described exhaust valve is-3 °~3 °.
10. a motor, is characterized in that, described motor comprises the engine valve actuating mechanism described in claim 1-9 any one.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420041857.3U CN203783667U (en) | 2014-01-22 | 2014-01-22 | Engine valve mechanism and engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420041857.3U CN203783667U (en) | 2014-01-22 | 2014-01-22 | Engine valve mechanism and engine |
Publications (1)
Publication Number | Publication Date |
---|---|
CN203783667U true CN203783667U (en) | 2014-08-20 |
Family
ID=51319866
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201420041857.3U Expired - Lifetime CN203783667U (en) | 2014-01-22 | 2014-01-22 | Engine valve mechanism and engine |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN203783667U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110925043A (en) * | 2019-11-28 | 2020-03-27 | 哈尔滨东安汽车动力股份有限公司 | Roller rocker arm and mechanical tappet structure for inclined engine |
CN113818942A (en) * | 2021-09-11 | 2021-12-21 | 重庆龙力动力设备有限公司 | Valve actuating mechanism of gasoline engine |
CN114233426A (en) * | 2021-12-29 | 2022-03-25 | 重庆长安汽车股份有限公司 | Low-friction valve system structure of extended range engine |
-
2014
- 2014-01-22 CN CN201420041857.3U patent/CN203783667U/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110925043A (en) * | 2019-11-28 | 2020-03-27 | 哈尔滨东安汽车动力股份有限公司 | Roller rocker arm and mechanical tappet structure for inclined engine |
CN113818942A (en) * | 2021-09-11 | 2021-12-21 | 重庆龙力动力设备有限公司 | Valve actuating mechanism of gasoline engine |
CN113818942B (en) * | 2021-09-11 | 2022-10-04 | 重庆龙力动力设备有限公司 | Valve actuating mechanism of gasoline engine |
CN114233426A (en) * | 2021-12-29 | 2022-03-25 | 重庆长安汽车股份有限公司 | Low-friction valve system structure of extended range engine |
CN114233426B (en) * | 2021-12-29 | 2023-07-21 | 重庆长安汽车股份有限公司 | Low friction valve system structure of range-extended engine |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104727875B (en) | Continuous variable valve duration device | |
CN203783667U (en) | Engine valve mechanism and engine | |
CN103437850A (en) | Continuously variable valve lift mechanism | |
CN104295331B (en) | Air distributing mechanism of engine for motorcycle and its motorcycle engine | |
CA2650895A1 (en) | Cylinder head structure in four-cycle engine | |
CN102797531A (en) | Device capable of changing valve lift | |
CN203925638U (en) | The eccentric rocker arm assembly of four-valve diesel engine and inlet and exhaust valve thereof | |
CN106761999A (en) | A kind of continuous variable rocker-arm valve mechanism | |
CN203925636U (en) | A kind of petrol engine cam | |
WO2015180535A1 (en) | Valve mechanism of engine, engine and vehicle | |
CN205089386U (en) | Valve timing mechanism of motorcycle engine | |
CN103939202B (en) | A kind of reciprocating rotary piston-mode motor | |
CN106401680B (en) | Motorcycle engine high-performance camshaft | |
CN205823358U (en) | A kind of motorcycle engine high-performance camshaft | |
CN205089394U (en) | Motorcycle engine double cam valve timing mechanism | |
CN102966391A (en) | Swinging arm mechanism controlled by using double cams | |
CN103216285B (en) | Air door bridge and top camshaft engine | |
CN202176410U (en) | Novel high-efficiency energy-saving internal-combustion engine | |
CN205089395U (en) | Motorcycle engine double cam valve timing mechanism | |
CN205744031U (en) | T-shaped roller tappet | |
CN205089387U (en) | Valve timing mechanism of motorcycle engine | |
CN203730083U (en) | Camshaft special for gas machine | |
CN205089384U (en) | Motorcycle engine double cam valve timing mechanism | |
CN203769873U (en) | Cam shaft special for two-cylinder diesel | |
CN205089396U (en) | Valve timing mechanism of motorcycle engine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20140820 |
|
CX01 | Expiry of patent term |