CN201133265Y - Engine air valve controlling mechanism - Google Patents
Engine air valve controlling mechanism Download PDFInfo
- Publication number
- CN201133265Y CN201133265Y CNU2007201297203U CN200720129720U CN201133265Y CN 201133265 Y CN201133265 Y CN 201133265Y CN U2007201297203 U CNU2007201297203 U CN U2007201297203U CN 200720129720 U CN200720129720 U CN 200720129720U CN 201133265 Y CN201133265 Y CN 201133265Y
- Authority
- CN
- China
- Prior art keywords
- valve
- oil
- control
- hydraulic jack
- electromagnetic 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.)
- Expired - Fee Related
Links
- 230000007246 mechanism Effects 0.000 title description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 239000002828 fuel tank Substances 0.000 claims description 6
- 235000015927 pasta Nutrition 0.000 claims description 4
- 239000000446 fuel Substances 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 51
- 238000000034 method Methods 0.000 description 9
- 239000010721 machine oil Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000005764 inhibitory process Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 1
Images
Landscapes
- Valve Device For Special Equipments (AREA)
Abstract
The utility model relates to the engine gas-distribution field and concretely relates to a novel engine valve control machine. The utility model comprises an oil pump (1) driven by an engine bent axle; the oil output end of the oil pump (1) is provided with an unilateral valve (2), the oil output end of which is connected with the oil input end of an electromagnetic valve or an electromagnetic valve group (4); the oil output end of the electromagnetic valve or the electromagnetic valve group (4) is respectively connected with the control apparatus controlling the lift range of the valve and an oil tank. The utility model cancels a cam machine and a timing transmission system in the traditional engine valve train, so the utility model has simple structure, reduces the mechanical loss, optimizes the gas distribution, achieves the ideal gas distribution phase and the lift range of the valve and improves the fuel economic performance and dynamic performance of the engine.
Description
Technical field
The utility model relates to the engines distribution field, is specifically related to a kind of new work engine valve control machanism.
Background technique
Existing engine valve actuating mechanism mostly is by camshaft, rocking arm, and mechanisms such as hydraulic tappet form.Bent axle drives air inlet and the exhaust that camshaft is realized motor by belt or chain in the working procedure.If can also being optimized by the intake and exhaust of Variable Valve Time gear to motor of Variable Valve Time gear is installed, thus the fuel economy and the power character of raising motor.
But these traditional engine valve actuating mechanism component are more, and mechanism is relative complex also, thereby causes rate of fault higher.Though can adjust the port timing of motor by Variable Valve Time gear, optimize intake and exhaust, can not change the valve lift of motor.Change the valve lift of motor, will realize by the methods such as molded lines that change cam, structure is also just complicated more.
The model utility content
It is comparatively simple that the purpose of this utility model provides a kind of structure, the engine air valve controlling mechanism that valve-control and valve lift are all variable.
For achieving the above object, the utility model has adopted following technological scheme: a kind of engine air valve controlling mechanism, the utility model comprises the oil pump by the engine crankshaft transmission, the oil outlet end of oil pump is provided with one-way valve, the oil outlet end of one-way valve links to each other with the oil inlet end of solenoid valve or electromagnetic valve group, and the oil outlet end of solenoid valve or electromagnetic valve group links to each other with the control gear of fuel tank with the control valve lift respectively.
As shown from the above technical solution, the utility model has utilized the correlation of engine speed and oil pump pump oil mass, because the rotating speed difference of motor under different operating modes, the rotating speed of oil pump is also just different, bring the variation of oil pump pump oil mass thus, and then control the lift of valve by control gear; The utility model is also controlled the valve timing of motor constantly by the opening and closing of solenoid valve, thereby realizes that valve-control is variable.The utility model is owing to cam mechanism and the timing transmission system cancelled in traditional engine valve actuating mechanism, therefore it is simple in structure, has reduced mechanical loss, has optimized distribution, reach desirable port timing and valve lift, improved the fuel economy and the power character of motor.
Description of drawings
Fig. 1 is a system architecture schematic representation of the present utility model;
Fig. 2 is an another kind of system architecture schematic representation of the present utility model.
Embodiment
As shown in Figure 1, 2, a kind of new work engine valve control machanism, the utility model comprises the oil pump 1 by the engine crankshaft transmission, the oil outlet end of oil pump 1 is provided with one-way valve 2, the oil outlet end of one-way valve 2 links to each other with the oil inlet end of solenoid valve or electromagnetic valve group 4, and the oil outlet end of solenoid valve or electromagnetic valve group 4 links to each other with fuel tank with the control gear of control valve lift respectively.
Because engine speed is influential to the oil pump rotating speed, the pump oil mass was big when rotating speed was high, the pump oil mass was little when rotating speed was low, the utility model utilizes this relation that the oil that oil pump pumps is come the control gear of drive controlling valve lift by solenoid valve or electromagnetic valve group 4, the keying of this control gear and solenoid valve or electromagnetic valve group 4 matches, thereby realizes the valve lift and the valve phase variable of distribution device.
The control gear of control valve lift can have multiple implementation method, as the employing hydraulic way, or adopts sensor to go out the pressure of pump oil, and then passes through ECU unit controls pinion and rack change valve lift.
As preferred version of the present utility model, described control gear comprises that the control gear of described control valve lift comprises hydraulic jack 5, offer spacing relief hole 6 on the cylinder body of hydraulic jack 5, hydraulic jack 5 inside be provided with oil cylinder inner wall be the piston supporting plate 7 that is slidingly matched, the back of the body pasta of piston supporting plate 7 links to each other with the masthead of valve 9, the axis of valve 9 is with the parallel axes of cylinder or overlap, the head of valve 9 stretches out the outside at hydraulic jack 5, one end of described piston supporting plate 7 is provided with Returnning spring 8, as shown in Figure 1, 2.
From the above, in the engine operation process, the hydraulic oil that is transmitted by solenoid valve or electromagnetic valve group 4 injects hydraulic jack 5, and then promotion piston supporting plate 7 moves downward, piston supporting plate 7 promotes valve 9 again and moves downward, valve 9 is opened, offer spacing relief hole 6 on the cylinder body of hydraulic jack 5, maximum lift with restriction valve 9, when valve 9 will be closed, valve 9 was taken a seat under the effect of Returnning spring 8, because the machine oil in the hydraulic jack 5 is to the inhibition of piston supporting plate 7, valve 9 is taken a seat steadily, has avoided strong impact.
As the utility model preferred version further, the two ends of described Returnning spring 8 is separately fixed on the base plate of the back of the body pasta of piston supporting plate 7 and hydraulic jack 5, and Returnning spring 8 is set in the end that valve 9 is positioned at hydraulic jack 5 inboards.
This arrangement can so that Returnning spring 8 avoid being arranged in the machine oil, thereby can avoid the impact and the interference of machine oil, also ensured the safe operation of machine oil simultaneously, help the proper functioning of whole system.
As preferred version of the present utility model, described electromagnetic valve group 4 comprises the control electromagnetic valve 4A and the oil return solenoid valve 4B of mutual parallel connection, the oil outlet end of control electromagnetic valve 4A with control valve lift control gear link to each other, oil return solenoid valve 4B is connected with fuel tank, as shown in Figure 2.
Below in conjunction with Fig. 2 implementation procedure of the present utility model is further introduced:
In the engine operation process, machine oil flows to electromagnetic valve group 4 through oil pump 1 by one-way valve 2, valve 9 is when operating position, there is not oil pressure in the hydraulic jack 5, at this moment oil return solenoid valve 4B opens, control electromagnetic valve 4A is in closed state, after the direct oil return of return opening, valve 9 is in closed state under the elastic force effect of Returnning spring 8 through one-way valve 2 for oil that oil pump 1 pumps.
When engine valve 9 needs to open, oil return solenoid valve 4B closure, control electromagnetic valve 4A opens, machine oil will inject hydraulic jack 5 under the effect of oil pump 1, owing in the oil circuit one-way valve 2 is housed, so the oil mass in the hydraulic jack 5 can be on the increase, oil pressure also can constantly raise, and act on the piston supporting plate 7 in the hydraulic jack 5, thereby overcome the elastic force effect of Returnning spring 8, promote downwards to open valve 9, offer spacing relief hole 6 on the cylinder body of hydraulic jack 5, with the maximum lift of restriction valve 9.
When valve 9 needs closure, oil return solenoid valve 4B and control electromagnetic valve 4A open simultaneously, oil pressure in the hydraulic jack 5 descends, valve 9 is taken a seat under the elastic force effect of Returnning spring 8, because the machine oil in the hydraulic jack 5 is to the inhibition of piston supporting plate 7, valve 9 is taken a seat steadily, has avoided strong impact.
From the above, control procedure is as long as control the opening and closing moment of oil return solenoid valve 4B and control electromagnetic valve 4A, with regard to the opening and closing time of may command valve 9.
As another kind of preferred version of the present utility model, described solenoid valve 4 is a 3-position-3-way solenoid valve.When adopting 3-position-3-way solenoid valve, the process when operation of the present utility model and employing oil return solenoid valve 4B and control electromagnetic valve 4A is just the same, but owing to only adopted a valve just can realize the purpose of this utility model this moment, so reduced cost.Certainly solenoid valve 4 also can adopt three-position four-way valve or three position five-way valve, but this moment, cost was higher.
As shown in Figure 1, 2, be provided with pressure regulator valve 3 between described one-way valve 2 and solenoid valve or the electromagnetic valve group 4.
Claims (7)
1, a kind of new work engine valve control machanism, it is characterized in that: the utility model comprises by the oil pump of engine crankshaft transmission (1), the oil outlet end of oil pump (1) is provided with one-way valve (2), the oil outlet end of one-way valve (2) links to each other with the oil inlet end of solenoid valve or electromagnetic valve group (4), and the oil outlet end of solenoid valve or electromagnetic valve group (4) links to each other with fuel tank with the control gear of control valve lift respectively.
2, new work engine valve control machanism according to claim 1 is characterized in that: the control gear of described control valve lift is hydraulic jack (5), and the oil outlet end of solenoid valve or electromagnetic valve group (4) links to each other with fuel tank with hydraulic jack (5) respectively.
3, new work engine valve control machanism according to claim 1 is characterized in that: described solenoid valve (4) is a 3-position-3-way solenoid valve.
4, new work engine valve control machanism according to claim 1 is characterized in that: be provided with pressure regulator valve (3) between described one-way valve (2) and solenoid valve or the electromagnetic valve group (4).
5, new work engine valve control machanism according to claim 1, it is characterized in that: described electromagnetic valve group (4) comprises the control electromagnetic valve (4A) and the oil return solenoid valve (4B) of mutual parallel connection, the oil outlet end of control electromagnetic valve (4A) links to each other with the control gear of control valve lift, and oil return solenoid valve (4B) is connected with fuel tank.
6, new work engine valve control machanism according to claim 2, it is characterized in that: offer spacing relief hole (6) on the cylinder body of described hydraulic jack (5), hydraulic jack (5) inside be provided with oil cylinder inner wall be the piston supporting plate (7) that is slidingly matched, the back of the body pasta of piston supporting plate (7) links to each other with the masthead of valve (9), the axis of valve (9) is with the parallel axes of cylinder or overlap, the head of valve (9) stretches out in the outside of hydraulic jack (5), and an end of described piston supporting plate (7) is provided with Returnning spring (8).
7, new work engine valve control machanism according to claim 6, it is characterized in that: the two ends of described Returnning spring (8) is separately fixed on the base plate of the back of the body pasta of piston supporting plate (7) and hydraulic jack (5), and Returnning spring (8) is set in valve (9) and is positioned at the inboard end of hydraulic jack (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201297203U CN201133265Y (en) | 2007-12-26 | 2007-12-26 | Engine air valve controlling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201297203U CN201133265Y (en) | 2007-12-26 | 2007-12-26 | Engine air valve controlling mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201133265Y true CN201133265Y (en) | 2008-10-15 |
Family
ID=40061538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201297203U Expired - Fee Related CN201133265Y (en) | 2007-12-26 | 2007-12-26 | Engine air valve controlling mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201133265Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936198A (en) * | 2010-08-06 | 2011-01-05 | 大连理工大学 | Cam oil-supply type electro-hydraulic valve driving system |
| CN102444440A (en) * | 2011-12-19 | 2012-05-09 | 宜兴大隆动力科技有限公司 | Double-mode type full-variable valve driving system for four-cylinder internal combustion engine |
| CN103628943A (en) * | 2013-09-27 | 2014-03-12 | 大连理工大学 | Intensive multifunctional continuously-variable valve driving system for four-cylinder internal combustion engine |
| CN105134323A (en) * | 2015-08-08 | 2015-12-09 | 大连理工大学 | Multifunctional variable-valve driving system |
-
2007
- 2007-12-26 CN CNU2007201297203U patent/CN201133265Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936198A (en) * | 2010-08-06 | 2011-01-05 | 大连理工大学 | Cam oil-supply type electro-hydraulic valve driving system |
| CN101936198B (en) * | 2010-08-06 | 2011-12-28 | 大连理工大学 | Cam oil-supply type electro-hydraulic valve driving system |
| CN102444440A (en) * | 2011-12-19 | 2012-05-09 | 宜兴大隆动力科技有限公司 | Double-mode type full-variable valve driving system for four-cylinder internal combustion engine |
| CN102444440B (en) * | 2011-12-19 | 2013-04-10 | 宜兴大隆动力科技有限公司 | Double-mode type full-variable valve driving system for four-cylinder internal combustion engine |
| CN103628943A (en) * | 2013-09-27 | 2014-03-12 | 大连理工大学 | Intensive multifunctional continuously-variable valve driving system for four-cylinder internal combustion engine |
| CN103628943B (en) * | 2013-09-27 | 2016-04-13 | 大连理工大学 | The multi-functional continuous variable valve drive system of a kind of intensive style for 4 cylinder IC engines |
| CN105134323A (en) * | 2015-08-08 | 2015-12-09 | 大连理工大学 | Multifunctional variable-valve driving system |
| CN105134323B (en) * | 2015-08-08 | 2018-12-25 | 大连理工大学 | A kind of multifunction changable valve-driving system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101215978A (en) | Engine air valve controlling mechanism | |
| CN101443532B (en) | Variable valve gear driving device | |
| CN102105657B (en) | Control arrangement in piston engine | |
| CN204851447U (en) | Engine and motor vehicles | |
| CN101608560B (en) | Electrohydraulically controlled motor air distribution system | |
| KR940010284B1 (en) | Valve driving apparatus of an internal combustion engine | |
| EP2722499B1 (en) | Variable valve timing apparatus | |
| CN101377138B (en) | Sliding valve type two-mode engine intake valve delaying shutdown system | |
| CN201133265Y (en) | Engine air valve controlling mechanism | |
| JP2021105394A (en) | Rotary plunger type internal combustion engine fully variable valve mechanism | |
| CN103953411A (en) | Two-stage boosting air valve type air exhaust mechanism | |
| CN103953412A (en) | Multi-stage supercharging exhaust valve | |
| JP5243533B2 (en) | Method and apparatus for controlling a valve using a plurality of lift stages, and method for supplying a mixture to a heat engine | |
| CN202866918U (en) | Variable valve stroke mechanism of engine | |
| CN104619960B (en) | Method for operating an internal combustion engine having an electrohydraulic valve control device | |
| CN210152749U (en) | Hydraulic valve lift and air inlet phase adjusting device | |
| KR20130088319A (en) | Variable valve timing apparatus | |
| CN201314249Y (en) | Time-delay closing system of two-section engine intake valve controlled by slide valve | |
| CN111022140A (en) | Hydraulically controlled fully-variable valve actuating mechanism of internal combustion engine | |
| CN2546635Y (en) | Variable air door lift mechanism | |
| CN210829426U (en) | Cylinder deactivation mechanism and hydraulic control variable valve device based on cylinder deactivation mechanism | |
| CN211474201U (en) | Fully variable valve system of engine | |
| CN208534553U (en) | A kind of mechanical-hydraulic composite variable valve mechanism | |
| CN109630293B (en) | Cylinder deactivation test control system | |
| CN102459829A (en) | A control arrangement for gas exchange in a piston engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081015 Termination date: 20121226 |