CN112065526A - Valve bridge, cylinder deactivation device and engine - Google Patents
Valve bridge, cylinder deactivation device and engine Download PDFInfo
- Publication number
- CN112065526A CN112065526A CN202010953691.2A CN202010953691A CN112065526A CN 112065526 A CN112065526 A CN 112065526A CN 202010953691 A CN202010953691 A CN 202010953691A CN 112065526 A CN112065526 A CN 112065526A
- Authority
- CN
- China
- Prior art keywords
- valve bridge
- cylinder deactivation
- assembly
- drive
- engine
- 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.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/26—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/0005—Deactivating valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/0005—Deactivating valves
- F01L2013/001—Deactivating cylinders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
The invention discloses a valve bridge, a cylinder deactivation device and an engine, and belongs to the technical field of engines. The engine comprises a cylinder deactivation device, the cylinder deactivation device comprises a valve bridge, a valve bridge body is connected to a valve of the engine, and a mounting hole is formed in the valve bridge body; the connecting driving assembly is arranged in the mounting hole, can rotate in the mounting hole to have a cylinder deactivation state and a working state, and cannot drive the air valve bridge body to move along the X direction when the connecting driving assembly is in the cylinder deactivation state; when the connecting driving component is in a working state, the connecting driving component can drive the valve bridge body to move along the X direction; the rotary fork is connected with the connecting driving assembly, and the rotary fork can stir the connecting driving assembly to rotate. The mechanical cylinder deactivation of the engine is realized through the control of the valve bridge and the cylinder deactivation device, the structure is simple, and the cost is low.
Description
Technical Field
The invention relates to the technical field of engines, in particular to a valve bridge and cylinder deactivation device and an engine.
Background
The multi-cylinder engine operates under the low-load working condition, the working load rate of each cylinder of the engine is low, the fuel injection quantity is small, the combustion temperature is low, and therefore the heat efficiency and the fuel consumption rate of the engine are high. The engine cylinder deactivation technology is applied to reduce the number of working cylinders of the multi-cylinder engine so as to reduce the engine displacement, realize the variable displacement of the engine, improve the working load rate of the rest cylinders while reducing the actual displacement of the engine, improve the combustion temperature of the working cylinders, improve the engine efficiency and reduce the fuel consumption; the engine is stopped, the valve stops moving, the pumping loss of the engine is reduced, and the fuel consumption is reduced.
At present, the cylinder stopping device of the engine mostly controls a camshaft or a rocker arm to stop working of partial cylinders, basically controls the cylinder stopping device through hydraulic pressure, needs a plurality of electromagnetic valves, and is relatively complex in structure and high in cost.
Therefore, there is a need for a valve bridge, a cylinder deactivation device and an engine capable of achieving mechanical cylinder deactivation through valve bridge control, so as to solve the above technical problems in the prior art.
Disclosure of Invention
The invention aims to provide a valve bridge, a cylinder deactivation device and an engine.
In order to achieve the purpose, the invention adopts the following technical scheme:
a valve bridge, comprising:
the valve bridge body is connected to a valve of an engine and is provided with a mounting hole;
the connecting driving assembly is arranged in the mounting hole and can rotate in the mounting hole so as to have a cylinder deactivation state and a working state, and when the connecting driving assembly is in the cylinder deactivation state, the connecting driving assembly cannot drive the valve bridge body to move along the X direction; when the connecting driving component is in a working state, the connecting driving component can drive the valve bridge body to move along the X direction;
and the rotary fork is connected with the connecting driving assembly and can stir the connecting driving assembly to rotate.
As a preferred technical scheme of the valve bridge, the connecting and driving assembly comprises an upper limiting block and a lower limiting block which are arranged from top to bottom, the lower limiting block is fixedly connected with the valve bridge body, and a limiting boss and a groove are arranged on the lower limiting block along the circumferential direction; the upper limiting block is connected with the rotary fork, and an abutting boss is arranged on the upper limiting block along the circumferential direction and can abut against the limiting boss or be connected in the groove in a sliding manner;
the connection driving assembly further comprises an elastic resetting piece, and two ends of the elastic resetting piece are respectively abutted to the upper limiting block and the lower limiting block.
As a preferred technical scheme of the valve bridge, three limiting bosses are uniformly arranged on the lower limiting block along the circumferential direction, and the grooves are formed between the adjacent limiting bosses; and the upper limiting block is uniformly provided with three abutting bosses along the circumferential direction.
As an optimal technical scheme of the valve bridge, the sliding connection part of the limiting boss and the abutting boss is provided with an arc surface structure.
As an optimal technical scheme of the valve bridge, a rotary limiting clamping portion is arranged on the upper limiting block, and the rotary fork is clamped on the rotary limiting clamping portion.
As an optimal technical scheme of the valve bridge, the valve bridge further comprises a limiting cover plate, and the limiting cover plate is arranged outside the mounting hole and fixedly connected with the valve bridge body and used for limiting the connecting and driving assembly.
In order to achieve the above object, the present invention further provides a cylinder deactivation device, which includes a driving mechanism, a lever assembly and the valve bridge, wherein the driving mechanism is configured to drive the lever assembly to move linearly, and the lever assembly is connected to the rotary fork in the valve bridge and configured to drive the rotary fork to rotate.
As an optimal technical scheme of the cylinder deactivation device, the cylinder deactivation device further comprises a connecting piece, a waist-shaped hole is formed in the rotary fork, one end of the connecting piece is connected with the pull rod assembly, and the other end of the connecting piece is in sliding connection with the waist-shaped hole of the rotary fork.
As an optimal technical scheme of the cylinder deactivation device, the connecting piece is an L-shaped connecting piece, the L-shaped connecting piece comprises a first connecting portion and a second connecting portion which are perpendicular to each other, the first connecting portion is connected with the pull rod assembly, and the second connecting portion is connected with the waist-shaped hole in a sliding mode.
To achieve the above object, the present invention also provides an engine including the cylinder deactivation device as described above.
The invention provides a valve bridge, a cylinder deactivation device and an engine, wherein the engine comprises the cylinder deactivation device, the cylinder deactivation device comprises the valve bridge, the valve bridge comprises a valve bridge body, a connecting drive assembly and a rotary fork, the valve bridge body is connected to a valve, and a mounting hole is formed in the valve bridge body; the connecting driving assembly is arranged in the mounting hole, can rotate in the mounting hole to have a cylinder deactivation state and a working state, and cannot drive the air valve bridge body to move along the X direction when the connecting driving assembly is in the cylinder deactivation state; when the connecting driving assembly is in a working state, the connecting driving assembly can drive the valve bridge body to move along the X direction under the action of the rocker arm of the engine; the rotary fork is connected with the connecting driving assembly, and the rotary fork can stir the connecting driving assembly to rotate, so that the connecting driving assembly is switched between a cylinder deactivation state and a working state, the mechanical cylinder deactivation of the engine is realized, the electromagnetic valve control is not needed, the structure is simple, and the cost is low.
Drawings
FIG. 1 is a schematic structural diagram of a valve bridge according to a first embodiment of the present invention;
FIG. 2 is a cross-sectional view of a valve bridge provided in accordance with one embodiment of the present invention;
fig. 3 is a schematic structural diagram of an upper limit block according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a lower limiting block according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a rotary fork according to an embodiment of the present invention;
FIG. 6 is a schematic illustration of a portion of an engine according to an embodiment of the present invention;
FIG. 7 is an enlarged view at A of FIG. 6 according to an embodiment of the present invention;
FIG. 8 is a plan view of a portion of the structure of an engine provided in accordance with an embodiment of the present invention;
FIG. 9 is a front view of a drawbar assembly provided in accordance with an embodiment of the present invention;
fig. 10 is a schematic structural view of a connector according to an embodiment of the present invention.
Reference numerals:
1. a valve bridge body; 11. mounting holes; 2. connecting a driving component; 21. an upper limit block; 211. abutting against the boss; 212. rotating the limiting clamping part; 22. a lower limiting block; 221. a limiting boss; 222. a groove; 23. an elastic reset member; 3. a rotary fork; 4. a limiting cover plate; 5. an execution pin; 6. adjusting the screw; 7. adjusting the nut;
100. a drive mechanism; 200. a drawbar assembly; 2001. a pull rod; 20011. a bolt is provided with a flat groove; 20012. an avoidance groove; 300. a connecting member; 400. a valve bridge;
1000. a rocker arm; 2000. an air valve; 3000. a rocker shaft; 4000. a thrust ring.
Detailed Description
In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
Example one
As shown in fig. 1 to 5, the present embodiment provides a valve bridge 400, the valve bridge 400 includes a valve bridge body 1, a connecting drive assembly 2 and a rotary fork 3, wherein the valve bridge body 1 is connected to a valve, and a mounting hole 11 is formed on the valve bridge body 1; the connecting driving assembly 2 is arranged in the mounting hole 11, the connecting driving assembly 2 can rotate in the mounting hole 11 to have a cylinder deactivation state and a working state, and when the connecting driving assembly 2 is in the cylinder deactivation state, the connecting driving assembly 2 cannot drive the valve bridge body 1 to move along the X direction; when the connecting and driving component 2 is in a working state, the connecting and driving component 2 can drive the valve bridge body 1 to move along the X direction; rotatory fork 3 is connected with connection drive assembly 2, and rotatory fork 3 can stir connection drive assembly 2 and rotate for connection drive assembly 2 switches between jar state and operating condition, thereby realizes the mechanical type of engine and stops the jar, need not to use solenoid valve control, simple structure, and is with low costs.
Specifically, the connecting drive assembly 2 comprises an upper limiting block 21 and a lower limiting block 22 which are arranged from top to bottom, the lower limiting block 22 is fixedly connected with the valve bridge body 1, and a limiting boss 221 and a groove 222 are arranged on the lower limiting block 22 along the circumferential direction; the upper limiting block 21 is connected with the rotary fork 3, the rotary fork 3 can drive the upper limiting block 21 to rotate, the upper limiting block 21 is circumferentially provided with an abutting boss 211, the abutting boss 211 can abut against the limiting boss 221 or be connected in the groove 222 in a sliding mode in the rotating process of the upper limiting block 21, when the abutting boss 211 abuts against the limiting boss 221, the connecting driving assembly 2 is in a working state, and when the upper limiting block 21 is pressed along the X direction, the upper limiting block 21 downwards presses the limiting block 22, so that the valve bridge body 1 moves downwards, and a valve connected to the lower portion of the valve bridge body 1 is opened; when the abutting boss 211 rotates to the upper side of the groove 222, the connecting and driving assembly 2 is in a cylinder deactivation state, and when the upper limit block 21 is pressed along the X direction, the abutting boss 211 on the upper limit block 21 is connected in the groove 222 in a sliding manner, so that the upper limit block 21 cannot enable the lower limit block 22 to move downwards along the X direction, and the valve opening cannot be realized.
As shown in fig. 2, the connection driving assembly 2 further includes an elastic reset piece 23, two ends of the elastic reset piece 23 are respectively abutted to the upper limiting block 21 and the lower limiting block 22, when the abutting boss 211 rotates to the upper side of the groove 222, the upper limiting block 21 is pressed along the X direction, the upper limiting block 21 moves downwards along the X direction, so that the elastic reset piece 23 is compressed, when the upper limiting block 21 is not pressed, the upper limiting block 21 is restored to the original position under the action of the elastic reset piece 23, the rotary fork 3 can be further shifted to enable the upper limiting block 21 to rotate to the working state, and then the cylinder deactivation is completed. Alternatively, in other embodiments, the lower retainer block 22 may be provided integrally with the valve bridge body 1.
Preferably, in this embodiment, three limiting bosses 221 are uniformly arranged on the lower limiting block 22 along the circumferential direction, and a groove 222 is formed between adjacent limiting bosses 221; three abutting bosses 211 are uniformly arranged on the upper limiting block 21 along the circumferential direction. Lower stopper 22 evenly sets up three spacing boss 221 and last stopper 21 and evenly is provided with three butt boss 211 along circumference, when connecting drive assembly 2 and being in operating condition, three butt boss 211 butt on three spacing boss 221, when last stopper 21 received along the pressure of X direction, go up stopper 21 can be even exert pressure to lower stopper 22 to make with stopper 22 fixed connection's valve bridge body 1 along X direction downstream.
Further preferably, limiting boss 221 and butt boss 211 sliding connection department all are provided with cambered surface structure, when connecting drive assembly 2 and changing from operating condition to the stall state, butt boss 211 will become butt boss 211 and recess 222 sliding connection's state by the state with limiting boss 221 butt, butt boss 211 will be by limiting boss 221 lateral wall edge slip get into in the recess 222, at this in-process, limit boss 221 lateral wall department and butt boss 211 lateral wall sliding collision department process into cambered surface structure, can play certain guide effect, make butt boss 211 can slide smoothly and get into in the recess 222.
As shown in fig. 3, the upper limiting block 21 is provided with a rotary limiting clamping portion 212, and the rotary fork 3 is clamped on the rotary limiting clamping portion 212, so that the rotary fork 3 can drive the upper limiting block 21 to rotate simultaneously. Specifically, rotatory fork 3 includes arc connecting portion and the joint leg that is located arc connecting portion both ends, and rotatory spacing joint portion 212 is including setting up the arc wall on last spacing piece 21, and the arc wall both sides are provided with the backstop face relatively, and the arc connecting portion laminating of rotatory fork 3 is on the arc wall, and the laminating of two joint legs sets up on two backstop faces, realizes the rotation of spacing piece 21.
As shown in fig. 1 and 2, the valve bridge 400 further includes a limiting cover plate 4, and the limiting cover plate 4 is disposed outside the mounting hole 11 and fixedly connected to the valve bridge body 1, and is used for limiting the connecting drive assembly 2, so as to prevent the upper limiting block 21 from coming out of the mounting hole 11. Further, a through hole structure is arranged on the limiting cover plate 4, and part of the upper limiting block 21 extends out of the through hole structure, so that the rocker arm of the engine can apply pressure to the upper limiting block 21.
Further, the valve bridge 400 further comprises a guide sleeve, the guide sleeve is arranged below the valve bridge body 1 and is used for being matched with a guide pillar on a cylinder cover of the engine, so that the valve bridge body 1 plays a role in guiding when moving along the X direction to balance lateral force. Furthermore, oil holes are formed in the upper limiting block 21 and the lower limiting block 22, oil can be supplied by the rocker arm 6, and forced lubrication of parts in the valve bridge 400 is achieved.
As shown in fig. 1 and 2, an actuating pin 5, an adjusting screw 6 and an adjusting nut 7 which are matched with the valve of the engine are further arranged on two sides of the valve bridge body 1.
Example two
As shown in fig. 6 to 10, the present embodiment provides a cylinder deactivation apparatus, which includes a driving mechanism 100, a lever assembly 200 and a valve bridge 400 in the first embodiment, wherein the driving mechanism 100 is used for driving the lever assembly 200 to move linearly, and the lever assembly 200 is connected to a rotary fork 3 in the valve bridge 400 for driving the rotary fork 3 to rotate. Preferably, in the present embodiment, the driving mechanism 100 includes a stepping motor and a linear transmission mechanism.
Preferably, the cylinder deactivation device further includes a connecting member 300, a waist-shaped hole is formed in the rotary fork 3, one end of the connecting member 300 is connected to the lever assembly 200, the other end of the connecting member is slidably connected to the waist-shaped hole of the rotary fork 3, specifically, a bolt or other fastening members pass through the waist-shaped hole and are connected to the connecting member 300, the bolt cannot lock the rotary fork 3 after passing through the waist-shaped hole, when the lever assembly 200 moves horizontally, the connecting member 300 can drive the rotary fork 3 to rotate by a certain angle, and the rotary fork 3 drives the upper limiting block 21 to rotate.
Further preferably, in the present embodiment, the connecting member 300 is an L-shaped connecting member, and the L-shaped connecting member includes a first connecting portion and a second connecting portion perpendicular to each other, the first connecting portion is connected to the pull rod assembly 200, and the second connecting portion is slidably connected to the waist-shaped hole.
As shown in fig. 6 and 9, the pull rod assembly 200 may include a plurality of pull rods 2001 arranged side by side along the X direction to control a plurality of cylinders, and the plurality of pull rods 2001 may be respectively connected to the plurality of cylinders in a one-to-one correspondence. In order to facilitate the connection of the pull rods 2001 with the connecting member 300, each pull rod 2001 is provided with a bolt mounting flat groove 20011. Since the plurality of tie rods 2001 are arranged side by side, in order to prevent the tie member 300 from interfering with other tie rods 2001 arranged side by side during horizontal movement, it is preferable that an escape groove 20012 be provided on the interfering tie rod 2001.
EXAMPLE III
As shown in fig. 6 to 8, the present embodiment provides an engine including the cylinder deactivation device of the second embodiment. The engine also includes an ECU (Electronic Control Unit). As shown, the engine includes a rocker arm 1000, a valve 2000, a rocker shaft 3000, and a thrust collar 4000, wherein the rocker arm 1000 is mounted on the rocker shaft 3000, the thrust collar 4000 is used for axial positioning of the rocker arm 1000, and the valve 2000 is attached below a valve bridge body 1 in a cylinder deactivation device.
It should be noted that the cylinder deactivation device is not activated when the engine is operating normally. When cylinder deactivation needs to be started, after the ECU judges that a certain cylinder or certain cylinders need to be deactivated, a signal is transmitted to the driving mechanism 100, the driving mechanism 100 can pull the corresponding pull rod 2001 in a reciprocating mode in the horizontal direction, the pull rod 2001 drives the connecting piece 300, so that the connecting driving assembly 2 in the valve bridge 400 is in a cylinder deactivation state, when the rocker arm 1000 presses the valve bridge 400, the valve 2000 does not act, and the purpose of dynamic cylinder deactivation is achieved. Likewise, the cylinder deactivation device may be applied to the exhaust valve side as well as the intake valve side. Two tie rod assemblies 200 are illustrated in fig. 6 and 8, each tie rod assembly 200 controlling an intake or exhaust valve of three cylinders. The engine in the embodiment can realize dynamic cylinder deactivation, and can realize the stop of any cylinder or certain cylinders according to the needs of the engine, thereby being beneficial to reducing the oil consumption of the engine and improving the exhaust temperature.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.
Claims (10)
1. A valve bridge, comprising:
the valve bridge comprises a valve bridge body (1) connected to a valve of an engine, wherein a mounting hole (11) is formed in the valve bridge body (1);
the connecting driving assembly (2) is arranged in the mounting hole (11), the connecting driving assembly (2) can rotate in the mounting hole (11) to have a cylinder deactivation state and a working state, and when the connecting driving assembly (2) is in the cylinder deactivation state, the connecting driving assembly (2) cannot drive the valve bridge body (1) to move along the X direction; when the connecting drive assembly (2) is in a working state, the connecting drive assembly (2) can drive the valve bridge body (1) to move along the X direction;
the rotary fork (3) is connected with the connecting and driving assembly (2), and the rotary fork (3) can stir the connecting and driving assembly (2) to rotate.
2. The valve bridge of claim 1, wherein the connecting drive assembly (2) comprises an upper limit block (21) and a lower limit block (22) which are arranged from top to bottom, the lower limit block (22) is fixedly connected with the valve bridge body (1), and a limit boss (221) and a groove (222) are arranged on the lower limit block (22) along the circumferential direction; the upper limiting block (21) is connected with the rotary fork (3), an abutting boss (211) is arranged on the upper limiting block (21) along the circumferential direction, and the abutting boss (211) can abut against the limiting boss (221) or can be connected in the groove (222) in a sliding mode;
connect drive assembly (2) still include elasticity piece (23) that resets, elasticity piece (23) both ends that resets respectively in go up spacing piece (21) go up with down spacing piece (22) on.
3. The valve bridge according to claim 2, characterized in that three limiting bosses (221) are uniformly arranged on the lower limiting block (22) along the circumferential direction, and the grooves (222) are formed between the adjacent limiting bosses (221); the upper limiting block (21) is uniformly provided with three abutting bosses (211) along the circumferential direction.
4. The valve bridge according to claim 2, characterized in that the sliding connection of the limiting boss (221) and the abutting boss (211) is provided with an arc structure.
5. The valve bridge according to claim 2, characterized in that the upper limit block (21) is provided with a rotation limit clamping portion (212), and the rotary fork (3) is clamped on the rotation limit clamping portion (212).
6. The valve bridge according to claim 1, characterized in that the valve bridge further comprises a limiting cover plate (4), wherein the limiting cover plate (4) is arranged outside the mounting hole (11) and fixedly connected with the valve bridge body (1) and used for limiting the upper limit of the connecting drive assembly (2).
7. A cylinder deactivation device, comprising a drive mechanism (100), a lever assembly (200) and a valve bridge according to any one of claims 1 to 6, wherein the drive mechanism (100) is configured to drive the lever assembly (200) to move linearly, and the lever assembly (200) is connected to the rotary fork (3) in the valve bridge and configured to drive the rotary fork (3) to rotate.
8. The cylinder deactivation device as claimed in claim 7, further comprising a connecting member (300), wherein the rotary fork (3) is provided with a kidney-shaped hole, one end of the connecting member (300) is connected to the lever assembly (200), and the other end is slidably connected to the kidney-shaped hole of the rotary fork (3).
9. The cylinder deactivation device of claim 7 or 8, wherein the connecting member (300) is an L-shaped connecting member including a first connecting portion and a second connecting portion perpendicular to each other, the first connecting portion being connected to the lever assembly (200), and the second connecting portion being slidably connected to the kidney-shaped hole.
10. An engine comprising a cylinder deactivation device according to any one of claims 7 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010953691.2A CN112065526B (en) | 2020-09-11 | 2020-09-11 | Valve bridge, cylinder deactivation device and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010953691.2A CN112065526B (en) | 2020-09-11 | 2020-09-11 | Valve bridge, cylinder deactivation device and engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112065526A true CN112065526A (en) | 2020-12-11 |
| CN112065526B CN112065526B (en) | 2022-04-05 |
Family
ID=73696388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010953691.2A Active CN112065526B (en) | 2020-09-11 | 2020-09-11 | Valve bridge, cylinder deactivation device and engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112065526B (en) |
Citations (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4411229A (en) * | 1981-02-09 | 1983-10-25 | Mile-Age Research Corporation | Cylinder deactivation device |
| US4414935A (en) * | 1981-02-09 | 1983-11-15 | Curtis Nikolaus A | Cylinder deactivation device with slotted sleeve mechanism |
| DE10224036A1 (en) * | 2002-05-31 | 2003-12-11 | Ina Schaeffler Kg | Continuously variable valve drive for externally ignited internal combustion engine involves opening time point determining contact point position on closure element, hence magnitude of valve stroke |
| CN1560453A (en) * | 2004-02-20 | 2005-01-05 | 周晓仪 | Arm swinging for combuston engine of changable valve stopping and output volume |
| CN101270694A (en) * | 2002-04-08 | 2008-09-24 | 柴油发动机减震器有限公司 | Compact lost motion system for variable valve actuation |
| CN201521320U (en) * | 2009-09-14 | 2010-07-07 | 奇瑞汽车股份有限公司 | Novel internal combustion engine valve lift control mechanism |
| CN102791963A (en) * | 2010-03-01 | 2012-11-21 | 麦加戴恩公共有限公司 | Valve deactivating device for an internal combustion engine |
| CN102787878A (en) * | 2012-07-27 | 2012-11-21 | 长城汽车股份有限公司 | Hydraulic drive engine air distributing mechanism |
| CN103291406A (en) * | 2013-06-28 | 2013-09-11 | 长城汽车股份有限公司 | Actuating mechanism of variable valve stroke device for engine |
| US20130319370A1 (en) * | 2011-02-15 | 2013-12-05 | Yong Xi | Method and apparatus for resetting valve lift for use in engine brake |
| US20140165941A1 (en) * | 2012-12-17 | 2014-06-19 | Kia Motor Corporation | Variable valve lift device |
| US20140245992A1 (en) * | 2010-07-27 | 2014-09-04 | Jacobs Vehicle Systems, Inc. | Combined engine braking and positive power engine lost motion valve actuation system |
| DE102014205813A1 (en) * | 2014-03-28 | 2015-10-01 | Aktiebolaget Skf | Valve control and method for valve control |
| CN205871716U (en) * | 2016-08-15 | 2017-01-11 | 北京汽车动力总成有限公司 | Automobile engine suspension support and car |
| CN106715842A (en) * | 2014-09-18 | 2017-05-24 | 雅各布斯车辆系统公司 | Lost motion assembly in a valve bridge for use with a valve train comprising a hydraulic lash adjuster |
| CN107023342A (en) * | 2017-06-07 | 2017-08-08 | 大连理工大学 | A kind of change pattern valve-driving system |
| CN107060941A (en) * | 2017-06-07 | 2017-08-18 | 大连理工大学 | A kind of twin cam shaft switch fulcrum type becomes pattern valve-driving system |
| CN107100686A (en) * | 2017-06-07 | 2017-08-29 | 大连理工大学 | A kind of single camshaft switch fulcrum type becomes pattern valve-driving system |
| CN107701253A (en) * | 2017-10-11 | 2018-02-16 | 安徽江淮汽车集团股份有限公司 | A kind of rocker arm body |
| CN107725133A (en) * | 2017-10-31 | 2018-02-23 | 潍柴动力股份有限公司 | A kind of air valve bridge, valve actuating mechanism and engine |
| CN109715910A (en) * | 2016-07-19 | 2019-05-03 | 伊顿智能动力有限公司 | The method that spring of moving adjusts valve actuating mechanism gap is lost using the dynamic stroke of additional mistake and high rigidity |
| US20190145289A1 (en) * | 2017-11-10 | 2019-05-16 | Jacobs Vehicle Systems, Inc. | Lash adjustment in lost motion engine systems |
| CN208900149U (en) * | 2018-06-28 | 2019-05-24 | 潍柴动力股份有限公司 | The inlet valve means and diesel engine of port timing two-stage switching |
| CN109854325A (en) * | 2019-03-27 | 2019-06-07 | 大连理工大学 | A kind of two-stroke auxiliary brake mechanism |
| DE102017129420A1 (en) * | 2017-12-11 | 2019-06-13 | Schaeffler Technologies AG & Co. KG | Variable valve train of a combustion piston engine |
| CN209040909U (en) * | 2018-10-30 | 2019-06-28 | 浙江黎明发动机零部件有限公司 | A kind of valve Biodge device that electromagnetic type can collapse |
| CN110107373A (en) * | 2019-04-23 | 2019-08-09 | 东风商用车有限公司 | A kind of the engine air raft of pontoons structure and its control method of lift range variable |
| CN110832173A (en) * | 2017-07-05 | 2020-02-21 | 舍弗勒技术股份两合公司 | Variable valve drive mechanism of piston type internal combustion engine |
| US20200088073A1 (en) * | 2018-09-17 | 2020-03-19 | Jacobs Vehicle Systems, Inc. | Response time in lost motion valvetrains |
| CN111140303A (en) * | 2019-12-25 | 2020-05-12 | 中国第一汽车股份有限公司 | Double-valve switchable rocker arm system |
| US20200263571A1 (en) * | 2018-11-06 | 2020-08-20 | Jacobs Vehicle Systems, Inc. | Valve bridge systems comprising valve bridge guide |
-
2020
- 2020-09-11 CN CN202010953691.2A patent/CN112065526B/en active Active
Patent Citations (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4411229A (en) * | 1981-02-09 | 1983-10-25 | Mile-Age Research Corporation | Cylinder deactivation device |
| US4414935A (en) * | 1981-02-09 | 1983-11-15 | Curtis Nikolaus A | Cylinder deactivation device with slotted sleeve mechanism |
| CN101270694A (en) * | 2002-04-08 | 2008-09-24 | 柴油发动机减震器有限公司 | Compact lost motion system for variable valve actuation |
| DE10224036A1 (en) * | 2002-05-31 | 2003-12-11 | Ina Schaeffler Kg | Continuously variable valve drive for externally ignited internal combustion engine involves opening time point determining contact point position on closure element, hence magnitude of valve stroke |
| CN1560453A (en) * | 2004-02-20 | 2005-01-05 | 周晓仪 | Arm swinging for combuston engine of changable valve stopping and output volume |
| CN201521320U (en) * | 2009-09-14 | 2010-07-07 | 奇瑞汽车股份有限公司 | Novel internal combustion engine valve lift control mechanism |
| CN102791963A (en) * | 2010-03-01 | 2012-11-21 | 麦加戴恩公共有限公司 | Valve deactivating device for an internal combustion engine |
| US20140245992A1 (en) * | 2010-07-27 | 2014-09-04 | Jacobs Vehicle Systems, Inc. | Combined engine braking and positive power engine lost motion valve actuation system |
| US20130319370A1 (en) * | 2011-02-15 | 2013-12-05 | Yong Xi | Method and apparatus for resetting valve lift for use in engine brake |
| CN102787878A (en) * | 2012-07-27 | 2012-11-21 | 长城汽车股份有限公司 | Hydraulic drive engine air distributing mechanism |
| US20140165941A1 (en) * | 2012-12-17 | 2014-06-19 | Kia Motor Corporation | Variable valve lift device |
| CN103291406A (en) * | 2013-06-28 | 2013-09-11 | 长城汽车股份有限公司 | Actuating mechanism of variable valve stroke device for engine |
| DE102014205813A1 (en) * | 2014-03-28 | 2015-10-01 | Aktiebolaget Skf | Valve control and method for valve control |
| CN106715842A (en) * | 2014-09-18 | 2017-05-24 | 雅各布斯车辆系统公司 | Lost motion assembly in a valve bridge for use with a valve train comprising a hydraulic lash adjuster |
| CN109715910A (en) * | 2016-07-19 | 2019-05-03 | 伊顿智能动力有限公司 | The method that spring of moving adjusts valve actuating mechanism gap is lost using the dynamic stroke of additional mistake and high rigidity |
| CN205871716U (en) * | 2016-08-15 | 2017-01-11 | 北京汽车动力总成有限公司 | Automobile engine suspension support and car |
| CN107023342A (en) * | 2017-06-07 | 2017-08-08 | 大连理工大学 | A kind of change pattern valve-driving system |
| CN107060941A (en) * | 2017-06-07 | 2017-08-18 | 大连理工大学 | A kind of twin cam shaft switch fulcrum type becomes pattern valve-driving system |
| CN107100686A (en) * | 2017-06-07 | 2017-08-29 | 大连理工大学 | A kind of single camshaft switch fulcrum type becomes pattern valve-driving system |
| CN110832173A (en) * | 2017-07-05 | 2020-02-21 | 舍弗勒技术股份两合公司 | Variable valve drive mechanism of piston type internal combustion engine |
| CN107701253A (en) * | 2017-10-11 | 2018-02-16 | 安徽江淮汽车集团股份有限公司 | A kind of rocker arm body |
| CN107725133A (en) * | 2017-10-31 | 2018-02-23 | 潍柴动力股份有限公司 | A kind of air valve bridge, valve actuating mechanism and engine |
| US20190145289A1 (en) * | 2017-11-10 | 2019-05-16 | Jacobs Vehicle Systems, Inc. | Lash adjustment in lost motion engine systems |
| DE102017129420A1 (en) * | 2017-12-11 | 2019-06-13 | Schaeffler Technologies AG & Co. KG | Variable valve train of a combustion piston engine |
| CN208900149U (en) * | 2018-06-28 | 2019-05-24 | 潍柴动力股份有限公司 | The inlet valve means and diesel engine of port timing two-stage switching |
| US20200088073A1 (en) * | 2018-09-17 | 2020-03-19 | Jacobs Vehicle Systems, Inc. | Response time in lost motion valvetrains |
| CN209040909U (en) * | 2018-10-30 | 2019-06-28 | 浙江黎明发动机零部件有限公司 | A kind of valve Biodge device that electromagnetic type can collapse |
| US20200263571A1 (en) * | 2018-11-06 | 2020-08-20 | Jacobs Vehicle Systems, Inc. | Valve bridge systems comprising valve bridge guide |
| CN109854325A (en) * | 2019-03-27 | 2019-06-07 | 大连理工大学 | A kind of two-stroke auxiliary brake mechanism |
| CN110107373A (en) * | 2019-04-23 | 2019-08-09 | 东风商用车有限公司 | A kind of the engine air raft of pontoons structure and its control method of lift range variable |
| CN111140303A (en) * | 2019-12-25 | 2020-05-12 | 中国第一汽车股份有限公司 | Double-valve switchable rocker arm system |
Non-Patent Citations (3)
| Title |
|---|
| 刘瑶: "某商用车发动机气门桥失效分析", 《汽车工艺与材料》 * |
| 杨妙梁: "可变排量发动机技术与停阀机构的发展动向(下)", 《汽车与配件》 * |
| 罗礼培: "车用发动机辅助制动技术概述及压缩释放式发动机制动技术分析", 《汽车维修》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112065526B (en) | 2022-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4163119B2 (en) | Internal combustion engine equipment | |
| JP2810442B2 (en) | Engine Valve Actuator | |
| CN102105657B (en) | Control arrangement in piston engine | |
| CN104662273A (en) | Actuating unit for variable power plant components | |
| US7441519B2 (en) | Engine valve actuation system | |
| WO2012010081A1 (en) | Air distributing mechanism for internal combustion engine with continuously variable valve lift and control method therefor | |
| JPH03130509A (en) | Valve actuating device of engine | |
| CN101446214B (en) | Continuously adjustable mechanical hydraulic valve lift device | |
| CN112065526B (en) | Valve bridge, cylinder deactivation device and engine | |
| CN106555678B (en) | Oil supply device for pump nozzle of diesel engine | |
| CN111173585A (en) | Fully variable electro-hydraulic valve system | |
| CN101922392A (en) | Engine fuel pump drive system | |
| CN110566309B (en) | Compression release type engine in-cylinder braking device | |
| CN107762587B (en) | Actuating mechanism, variable valve lift device, engine and automobile | |
| EP2837804A1 (en) | Operating internal combustion engines | |
| CN103422932B (en) | Independent cam type engine braking device | |
| CN104819022B (en) | Cold starting mechanism of engine | |
| CN204140153U (en) | The variable valve actuation of motor | |
| CN201310389Y (en) | Valve driving device of four-valve diesel engine | |
| CN203441558U (en) | Braking device of independent cam type engine | |
| CN2795448Y (en) | Low noise airvalve swing arm module | |
| US20210332725A1 (en) | Variable Valve Lift Device and Automobile | |
| CN108757081A (en) | Camshaft Duo Gan continuous variable valves mechanism is set at a kind of bottom | |
| JPS6321682Y2 (en) | ||
| JPH0712675Y2 (en) | Engine vacuum pump drive |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |