CN110131055A - A kind of deactivation apparatus suitable for engine - Google Patents
A kind of deactivation apparatus suitable for engine Download PDFInfo
- Publication number
- CN110131055A CN110131055A CN201910387969.1A CN201910387969A CN110131055A CN 110131055 A CN110131055 A CN 110131055A CN 201910387969 A CN201910387969 A CN 201910387969A CN 110131055 A CN110131055 A CN 110131055A
- Authority
- CN
- China
- Prior art keywords
- sliding block
- valve
- pedestal
- rocker arm
- solenoid valve
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/06—Cutting-out cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D17/00—Controlling engines by cutting out individual cylinders; Rendering engines inoperative or idling
- F02D17/02—Cutting-out
Abstract
The invention discloses a kind of deactivation apparatus suitable for engine, including rocker arm, rocker arm bulb and camshaft; rocker arm connects valve; air valve bridge is arranged in valve, slide block mechanism is arranged between rocker arm bulb and camshaft, slide block mechanism includes pedestal; the cover is arranged at the top of pedestal; cavity setting sliding block one, spring and the sliding block two of base interior, the top boss of sliding block pass through the cover and be in contact with rocker arm bulb bottom, and two bottom boss of sliding block passes through to be in contact at the top of pedestal and camshaft；Fuel feed hole and oil return hole are respectively set at left and right sides of pedestal, fuel feed hole and oil return hole are respectively provided with solenoid valve block, and oil return hole is connected to by solenoid valve with diesel oil tank, and solenoid valve block is controlled by automobile-used ECU.The configuration of the present invention is simple and it is able to achieve cylinder deactivation.
Description
Technical field
The invention belongs to the variable valve actuating mechanism fields of engine, and more specifically, it relates to one kind to be suitable for engine
Deactivation apparatus.
Background technique
Fuel economy of the conventional engines when running under unloaded or small load condition is poor, is not influencing to start
Under conditions of mechanomotive force output, increases working cylinder load by cylinder stopping technique, allow engine operation in fuel-economy area, it can be compared with
Significantly reduce the fuel consumption rate of engine.In addition, heat transfer loss is reduced after cylinder deactivation, thermal efficiency of cycle is improved, oil consumption
It reduces.On the other hand, oil-break die cylinder deactivation when reduce required energy and the pumping loss of a part driving inlet and exhaust valve, drop
Low oil consumption.About cylinder deactivation of engine technology, there has also been many new developments both at home and abroad at present.
The VCM cylinder stopping technique of Honda Company's invention, VCM mean variable cylinder administrative skill.It can be by closing individual vapour
The method of cylinder, so that V6 engine can change between 3,6 cylinders, so that engine size can also change between 1.6-3.0L, thus
Save fuel consumption.Working principle are as follows: close inlet and outlet door, by VTEC variable valve timing system to stop specific gas
The work of cylinder.VCM can still allow the part cylinder not worked to remain in operation after closing partial-cylinder, and purpose allows all cylinders
All obtain uniform wear.And spark plug continues to light a fire, to keep the temperature of spark plug, prevent cylinder when devoting oneself to work again because
Imperfect combustion causes spark plug greasy dirt.
The dynamic jump of Delphi and Tula technology company joint invention igniting (DSF) cylinder stopping technique, its working principle is that
When running, DSF system can determine to carry out ignition operation before ignition or skip the cylinder, and system will be to above-mentioned two situations
It is considered.When slowing down, DSF system also allows to cut off all cylinders.
Summary of the invention
Purpose of the invention is to overcome the shortcomings in the prior art, proposes that a kind of cylinder deactivation suitable for engine fills
It sets, structure is simple and is able to achieve cylinder deactivation.
The purpose of the present invention is what is be achieved through the following technical solutions.
The present invention is suitable for the deactivation apparatus of engine, including rocker arm, rocker arm bulb and camshaft, the rocker arm are connected with
Valve, the valve are provided with air valve bridge, slide block mechanism, the slide block mechanism are provided between the rocker arm bulb and camshaft
Including pedestal, it is provided with the cover at the top of the pedestal, the cavity of the base interior is from top to bottom disposed with sliding block one, bullet
Spring and sliding block two, the top boss of the sliding block one pass through the cover and are in contact with rocker arm bulb bottom, the bottom of the sliding block two
Boss passes through to be in contact at the top of pedestal and camshaft；
It is respectively arranged with fuel feed hole and oil return hole at left and right sides of the pedestal, the fuel feed hole and oil return hole are provided with electricity
Magnet valve group, the oil return hole are connected to by solenoid valve with diesel oil tank, and the solenoid valve block is controlled by automobile-used ECU.
The base internal wall is provided with vertical sliding motion track, sliding block one and sliding block two and vertically slides up and down along vertical sliding motion track
It is dynamic.
High pressure oil is controlled by the on-off of solenoid valve and enters the rigid connection that cavity realizes sliding block one and sliding block two, and realization is opened
Open valve；High pressure oil is controlled by solenoid valve on-off and leaves cavity, makes sliding block one and sliding block two without rigid connection, and closes valve
It closes, reaches cylinder deactivation effect.
Compared with prior art, the beneficial effects brought by the technical solution of the present invention are as follows:
The present invention on the basis of existing technology, is additionally arranged slide block mechanism between camshaft and rocker arm, passes through solenoid valve
On-off control high pressure oil enter cavity realize sliding block one and sliding block two rigid connection, realize unlatching valve；Pass through solenoid valve
On-off control high pressure oil leaves cavity, makes sliding block one and sliding block two without rigid connection, and makes valve-closing, and reaches cylinder deactivation effect
Fruit, and achieve the purpose that reduce oil consumption.
Automobile-used ECU passes through the open and close of control solenoid valve block, to control the open and close of fuel feed hole and oil return hole.
Valve as needed can not by camshaft control and open or close, and automobile-used ECU is cooperated to achieve the effect that cylinder deactivation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the deactivation apparatus that the present invention is suitable for engine.
Appended drawing reference: 1 the cover；2 sliding blocks one；3 springs；4 sliding blocks two；5 fuel feed holes；6 pedestals；7 camshafts；8 fuel tanks；9 times
Oilhole；10 cavitys；11 valves；12 air valve bridges；13 rocker arms；14 rocker arm bulbs.
Specific embodiment
In order to further understand the content, features and effects of the present invention, hereby enumerating following embodiment, and cooperate attached drawing
Detailed description are as follows.
As shown in Figure 1, the present invention is suitable for the deactivation apparatus of engine, including rocker arm 13, rocker arm bulb 14 and camshaft
7, the rocker arm 13 is connected with valve 11, and the valve 11 is provided with air valve bridge 12, between the rocker arm bulb 14 and camshaft 7
It is provided with slide block mechanism.The slide block mechanism includes pedestal 6, is provided with the cover 1 at the top of the pedestal 6, inside the pedestal 6
Cavity 10 is from top to bottom disposed with sliding block 1, spring 3 and sliding block 24, passes through spring 3 between sliding block 1 and sliding block 24
It is connected.The top boss of the sliding block 1 passes through the cover 1 and 14 bottom connection of rocker arm bulb touches, and the bottom of the sliding block 24 is convex
Platform passes through to be in contact at the top of pedestal 6 and camshaft 7.Wherein, 6 inner wall of pedestal is provided with vertical sliding motion track, one 2 He of sliding block
Sliding block 24 can slide vertically inside pedestal 6 along vertical sliding motion track.And sliding block 1 and sliding block 24 and pedestal 6
And the cover 1 has good sealing (moving part and fixing piece).
Fuel feed hole 5 and oil return hole 9 are respectively arranged at left and right sides of the pedestal 6, the fuel feed hole 5 and oil return hole 9 are all provided with
It is equipped with solenoid valve block, the oil return hole 9 is connected to by solenoid valve with diesel oil tank 8, and the solenoid valve block is controlled by automobile-used ECU
System.The automobile-used ECU outputs signal to the solenoid valve block, the high pressure oil of jerk pump output via the solenoid valve block into
Enter cavity 10, the high pressure oil pressure should be an appropriate value, and high pressure oil is made to have the function that entity just.It is described automobile-used
ECU outputs signal to the solenoid valve block, and the high pressure oil of diesel engine is flowed out via the solenoid valve block in cavity 10, returns to fuel tank
8.High pressure oil is controlled by the on-off of solenoid valve and enters the rigid connection that cavity 10 realizes sliding block 1 and sliding block 24, is realized and is opened
Valve 11.High pressure oil is controlled by solenoid valve on-off and leaves cavity 10, makes sliding block 1 and sliding block 24 without rigid connection, and makes gas
Door 11 is closed, and cylinder deactivation effect is reached.
When automobile-used ECU does not issue the instruction of cylinder deactivation, automobile-used ECU control solenoid valve block opens fuel feed hole 5, at this time high pressure oil
Into inside cavity 10, and the high pressure oil entered can reach rigidly connected act on just and without remaining negative effect, and it is electric
Magnet valve group controls oil return hole 9 and closes, and the camshaft 7 that is almost rigidly connected with sliding block 24 by high pressure oil of sliding block 1 can make at this time
Sliding block 1 and sliding block 24 move up and down jointly and achieve the effect that control 11 open and close of valve；When automobile-used ECU issues cylinder deactivation
Instruction when, automobile-used ECU control solenoid valve block closes fuel feed hole 5, and solenoid valve block control oil return hole 9 is opened, at this time high pressure oil
Cavity 10 is left, fuel tank 8 is returned to, without rigid connection, valve 11 is not opened with the rotation of camshaft 7 for sliding block 1 and sliding block 24 at this time
It opens, while automobile-used ECU control fuel injector not oil spout (diesel engine or GDI gasoline engine), to have the function that cylinder deactivation.
Although above in conjunction with attached drawing, invention has been described, and the invention is not limited to above-mentioned, above-mentioned is specific
Embodiment is only schematical, rather than restrictive, and those skilled in the art under the inspiration of the present invention, go back
Many forms can be made, all of these belong to the protection of the present invention.
Claims (3)
1. a kind of deactivation apparatus suitable for engine, including rocker arm (13), rocker arm bulb (14) and camshaft (7), described to shake
Arm (13) is connected with valve (11), and the valve (11) is provided with air valve bridge (12), which is characterized in that the rocker arm bulb (14)
Slide block mechanism is provided between camshaft (7), the slide block mechanism includes pedestal (6), is provided with cover at the top of the pedestal (6)
It covers (1), the internal cavity (10) of the pedestal (6) is from top to bottom disposed with sliding block one (2), spring (3) and sliding block two
(4), the top boss of the sliding block one (2) passes through the cover (1) and rocker arm bulb (14) bottom connection touches, the sliding block two (4)
Bottom boss pass through pedestal (6) and camshaft (7) top and be in contact；
Fuel feed hole (5) and oil return hole (9), the fuel feed hole (5) and oil return hole are respectively arranged at left and right sides of the pedestal (6)
(9) be provided with solenoid valve block, the oil return hole (9) is connected to by solenoid valve with diesel oil tank, the solenoid valve block by
Automobile-used ECU control.
2. the deactivation apparatus according to claim 1 suitable for engine, which is characterized in that pedestal (6) inner wall is set
It is equipped with vertical sliding motion track, sliding block one (2) and sliding block two (4) slide vertically along vertical sliding motion track.
3. the deactivation apparatus according to claim 1 suitable for engine, which is characterized in that pass through the on-off control of solenoid valve
High pressure oil processed enters the rigid connection that cavity realizes sliding block one (2) and sliding block two (4), realizes and opens valve (11)；Pass through electromagnetism
Valve on-off control high pressure oil leaves cavity (10), makes sliding block one (2) and sliding block two (4) without rigid connection, and closes valve (11)
It closes, reaches cylinder deactivation effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910387969.1A CN110131055A (en) | 2019-05-10 | 2019-05-10 | A kind of deactivation apparatus suitable for engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910387969.1A CN110131055A (en) | 2019-05-10 | 2019-05-10 | A kind of deactivation apparatus suitable for engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110131055A true CN110131055A (en) | 2019-08-16 |
Family
ID=67577072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910387969.1A Pending CN110131055A (en) | 2019-05-10 | 2019-05-10 | A kind of deactivation apparatus suitable for engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110131055A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101086212A (en) * | 2007-06-04 | 2007-12-12 | 奇瑞汽车有限公司 | Engine air valve device capable of controlling cylinder ceasing |
| CN201074534Y (en) * | 2007-09-12 | 2008-06-18 | 中国重汽集团济南技术中心有限公司 | Braking device of exhaust valve |
| CN101215979A (en) * | 2008-01-15 | 2008-07-09 | 冯子光 | Engine air valve distribution device |
| US20080236523A1 (en) * | 2007-03-30 | 2008-10-02 | Honda Motor Co., Ltd. | Multi-cylinder engine with cylinder pausing function |
| CN201162550Y (en) * | 2007-12-04 | 2008-12-10 | 天津大学 | Electric-hydraulic control variable-distribution apparatus of diesel engine |
| CN103256124A (en) * | 2013-05-20 | 2013-08-21 | 田丽欣 | Engine valve control mechanism capable of stopping cylinders by turns |
| CN104612773A (en) * | 2015-01-26 | 2015-05-13 | 吉林大学 | Gas intake and distribution system based on electric hydraulic control mode |
| CN104675469A (en) * | 2013-12-03 | 2015-06-03 | 比亚迪股份有限公司 | Engine valve mechanism |
| CN210343514U (en) * | 2019-05-10 | 2020-04-17 | 天津大学 | Cylinder deactivation device suitable for engine |
-
2019
- 2019-05-10 CN CN201910387969.1A patent/CN110131055A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080236523A1 (en) * | 2007-03-30 | 2008-10-02 | Honda Motor Co., Ltd. | Multi-cylinder engine with cylinder pausing function |
| CN101086212A (en) * | 2007-06-04 | 2007-12-12 | 奇瑞汽车有限公司 | Engine air valve device capable of controlling cylinder ceasing |
| CN201074534Y (en) * | 2007-09-12 | 2008-06-18 | 中国重汽集团济南技术中心有限公司 | Braking device of exhaust valve |
| CN201162550Y (en) * | 2007-12-04 | 2008-12-10 | 天津大学 | Electric-hydraulic control variable-distribution apparatus of diesel engine |
| CN101215979A (en) * | 2008-01-15 | 2008-07-09 | 冯子光 | Engine air valve distribution device |
| CN103256124A (en) * | 2013-05-20 | 2013-08-21 | 田丽欣 | Engine valve control mechanism capable of stopping cylinders by turns |
| CN104675469A (en) * | 2013-12-03 | 2015-06-03 | 比亚迪股份有限公司 | Engine valve mechanism |
| CN104612773A (en) * | 2015-01-26 | 2015-05-13 | 吉林大学 | Gas intake and distribution system based on electric hydraulic control mode |
| CN210343514U (en) * | 2019-05-10 | 2020-04-17 | 天津大学 | Cylinder deactivation device suitable for engine |
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