CN104421006A - Continuous variable adjuster for gas valve lift - Google Patents
Continuous variable adjuster for gas valve lift Download PDFInfo
- Publication number
- CN104421006A CN104421006A CN201310408826.7A CN201310408826A CN104421006A CN 104421006 A CN104421006 A CN 104421006A CN 201310408826 A CN201310408826 A CN 201310408826A CN 104421006 A CN104421006 A CN 104421006A
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- China
- Prior art keywords
- plunger
- spring
- valve lift
- continuous variable
- connecting sleeve
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- 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.)
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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
- F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
- F01L9/20—Valve-gear or valve arrangements actuated non-mechanically by electric means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
The invention discloses a continuous variable adjuster for a gas valve lift. A connection sleeve (6) is mounted between an adjuster body (1) and a cover plate (9); the adjuster body (1), the connection sleeve (6) and the cover plate (9) are integrally connected with one another through connection pieces; a limiting sleeve (7) is mounted in the connection sleeve (6) and can be driven by a driving device to move in the connection sleeve (6) along the axial direction; a plunger component consists of plunger sleeves (2), plungers (3), limiting rods (5) and springs (4); the plunger sleeves (2) are fixed in front-end holes of the adjuster body (1); the plungers (3) are mounted in holes in the plunger sleeves (2) and can do reciprocating sliding along the axial direction; the limiting rods (5) are mounted in holes of the connection sleeve (6), and the rear end faces of the limiting rods (5) are in contact with the limiting sleeve (7); the springs (4) sleeve the limiting rods (5), and the front ends of the springs are in contact with the rear end faces of the plungers (3); the rear ends of the springs are in contact with the step surfaces on the limiting rods (5). The continuous variable adjuster can be used for continuously adjusting the gas valve lift, so that the requirement on the gas distribution lift under various loads of an engine is met, and the fuel economy and the emission reduction property of the engine are improved.
Description
Technical field
The present invention relates to motor, particularly relate to a kind of valve lift continuous variable regulator of motor.
Background technique
Motor has different requirements to valve lift under different loads, is improve engine power characteristic according to the regulating working conditions valve lift of motor, improves one of fuel economy and the important technical reducing noxious gas emission.Relating in hydraulic type lift range variable technology at present, the hydraulic circuit of main employing electromagnetic valve driving valve realizes the adjustment to valve lift, these class methods exist need configure more solenoid valve, structure and control complexity, the shortcomings such as magnetic valve high frequency response performance is not good enough.
Summary of the invention
The object of the present invention is to provide a kind of can adjustment continuously the lift of valve, meet the requirement to valve lift under the various load of motor, improve the fuel economy of motor and the valve lift continuous variable regulator of reduction of discharging property.
Object of the present invention and solve its technical problem underlying and realize by the following technical solutions:
A kind of valve lift continuous variable regulator of the present invention, is comprised regulator body, connecting sleeve, cover plate, wherein: connecting sleeve is arranged between regulator body and cover plate, regulator body, connecting sleeve, cover plate is connected as a single entity by link; Stop collar is arranged in connecting sleeve, and can be moved vertically in connecting sleeve by drive unit driving; Plunger part is made up of plunger bushing, plunger, position-limited lever, spring, plunger bushing is fixed in regulator body front aperture, plunger is arranged in plunger trepanning and also can reciprocatingly slides vertically, position-limited lever is arranged on and connects in trepanning and ear end face contacts with stop collar, and spring housing is contained on position-limited lever and spring at front end contacts with plunger back-end face and spring rear end contacts with the step surface on position-limited lever.
Above-mentioned valve lift continuous variable regulator, wherein: the pretightening force of plunger part medi-spring is greater than hydraulic system and reaches oil pressure when overcoming valve spring pretightening force and open valve to the active force of plunger, the spring force of spring when plunger reaches maximum range-adjustable is less than the valve spring force corresponding to oil pressure of system when valve reaches required minimum lift.
Above-mentioned valve lift continuous variable regulator, wherein: plunger part is 2,3,4,6,8,12 groups.
Above-mentioned valve lift continuous variable regulator, wherein: the mounting hole of plunger bushing on regulator body of same plunger part is coaxial with the position-limited lever mounting hole on connecting sleeve.
Above-mentioned valve lift continuous variable regulator, wherein: link is screw.
Above-mentioned valve lift continuous variable regulator, wherein: the spring of plunger back-end also can by introducing pressure oil or introduce the mode equivalent substitution such as combination of pressure oil and spring in plunger back-end chamber.
The present invention compared with prior art has obvious advantage and beneficial effect.From above technological scheme, the present invention adopts volumetric void fraction, controls accurately, regulates simple; The demand of the motor of different cylinder number can be met, strong adaptability by increase and decrease plunger part quantity and adjustment layout angle; For under the loading condiction that motor is certain, valve lift adjustor only need carry out corresponding adjustment, the lift that system can realize all intake valves regulates and automatically carries out self adaption running, without the need to carrying out high frequency, adjustment action repeatedly for each circulation of motor, there is good system self-adaptability and dynamic response characteristic; Its structure is simple, and level of integration is high, is easy to integrated with the hydraulic type drive system of engine air valve device; Valve lift regulation range is wide, can under motor full working scope continuous setup, greatly improve and improve power character, Economy and the emission performance under each operating mode of motor.The engine air valve lift regulatory demand of the different cylinder numbers such as 2 cylinders, 3 cylinders, 6 cylinders, 8 cylinders, 12 cylinders can be met.
Accompanying drawing explanation
Fig. 1 is appearance schematic diagram of the present invention;
Fig. 2 is the reciprocal appearance schematic diagram of Fig. 1;
Fig. 3 is structural representation of the present invention;
Mark in figure:
1, regulator body, 2, plunger bushing, 3, plunger, 4, spring, 5, position-limited lever, 6, connecting sleeve, 7, stop collar, 8, screw, 9, cover plate
embodiment:
Below in conjunction with accompanying drawing and preferred embodiment, to the embodiment of valve lift continuous variable regulator proposed according to the present invention, structure, feature and effect thereof, be described in detail as follows.
As Figure 1-3, for four cylinder engine, a kind of valve lift continuous variable regulator, comprises regulator body 1, connecting sleeve 6, cover plate 9, wherein: connecting sleeve 6 is arranged between regulator body 1 and cover plate 9, by screw 8, regulator body 1, connecting sleeve 6, cover plate 9 are connected as a single entity; Stop collar 7 is arranged in connecting sleeve 6, and can be moved vertically in connecting sleeve 6 by drive unit driving; Plunger part is made up of plunger bushing 2, plunger 3, position-limited lever 5, spring 4, plunger bushing 2 is fixed in regulator body 1 front aperture, plunger 3 is arranged in plunger bushing 2 hole and also can reciprocatingly slides vertically, position-limited lever 5 is arranged in connecting sleeve 6 hole and ear end face contacts with stop collar 7, and spring 4 is sleeved on that on position-limited lever 5 and spring 4 front end contacts with plunger 3 ear end face and spring 4 rear end contacts with the step surface on position-limited lever 5.
The pretightening force of plunger part medi-spring 4 is greater than hydraulic system and reaches oil pressure when overcoming valve spring pretightening force and open valve to the active force of plunger, and the spring force of the spring 4 when plunger reaches maximum range-adjustable is less than the valve spring force corresponding to oil pressure of system when valve reaches required minimum lift.
Plunger part is 4 groups, and each group is for regulating the intake valve lift of a cylinder.Plunger part group number can be increased and decreased according to engine cylinder number, the engine air valve lift regulatory demand of the different cylinder numbers such as 2 cylinders, 3 cylinders, 6 cylinders, 8 cylinders, 12 cylinders can be met.
The mounting hole of plunger bushing 2 on regulator body 1 of same plunger part is coaxial with position-limited lever 5 mounting hole on connecting sleeve 6.
The spring 4 of plunger 3 rear end also can by introducing pressure oil in chamber, plunger 3 rear end or introducing the mode equivalent substitution such as combination of pressure oil and spring.
Working procedure is as follows:
4 plunger bushing front ports of valve lift continuous variable regulator are connected with driving 4 groups of hydraulic circuits of intake valve respectively by hydraulic pipe line, after having connected, in engine operation process, according to motor different requirements to valve lift under different loads, driven by drive unit and regulate the position of stop collar 7, just can regulate the liquid capacity entering plunger bushing 2 in each circulation of motor, thus hydraulic control oil flows into the volume of intake valve oil cylinder, finally reaches the adjustment requirement of valve lift.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, anyly do not depart from technical solution of the present invention content, the any simple modification done above embodiment according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (6)
1. a valve lift continuous variable regulator, valve lift continuous variable regulator, comprise regulator body (1), connecting sleeve (6), cover plate (9), it is characterized in that: connecting sleeve (6) is arranged between regulator body (1) and cover plate (9), by link, regulator body (1), connecting sleeve (6), cover plate (9) are connected as a single entity; Stop collar (7) is arranged in connecting sleeve (6), and can be moved vertically in connecting sleeve (6) by drive unit driving; Plunger part is made up of plunger bushing (2), plunger (3), position-limited lever (5), spring (4), plunger bushing (2) is fixed in regulator body (1) front aperture, plunger (3) is arranged in plunger bushing (2) hole and also can reciprocatingly slides vertically, position-limited lever (5) is arranged in connecting sleeve (6) hole and ear end face contacts with stop collar (7), and spring (4) is sleeved on that position-limited lever (5) is upper and spring at front end contacts with plunger (3) ear end face and spring rear end contacts with the step surface on position-limited lever (5).
2. valve lift continuous variable regulator as claimed in claim 1, it is characterized in that: the pretightening force of plunger part medi-spring (4) is greater than hydraulic system and reaches oil pressure when overcoming valve spring pretightening force and open valve to the active force of plunger (3), spring (4) spring force when plunger (3) reaches maximum range-adjustable is less than the valve spring force corresponding to oil pressure of system when valve reaches required minimum lift.
3. valve lift continuous variable regulator as claimed in claim 1 or 2, is characterized in that: plunger part is 2,3,4,6,8,12 groups.
4. valve lift continuous variable regulator as claimed in claim 3, is characterized in that: the mounting hole of plunger bushing (2) on regulator body (1) of same plunger part is coaxial with position-limited lever (5) mounting hole on connecting sleeve (6).
5. valve lift continuous variable regulator as claimed in claim 4, is characterized in that: the spring (4) of plunger (3) rear end can by the compound mode equivalent substitution introducing pressure oil or introducing pressure oil and spring in plunger (3) chamber, rear end.
6. valve lift continuous variable regulator as claimed in claim 5, is characterized in that: link is screw (8).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310408826.7A CN104421006A (en) | 2013-09-10 | 2013-09-10 | Continuous variable adjuster for gas valve lift |
| PCT/CN2014/084972 WO2015035855A1 (en) | 2013-09-10 | 2014-08-22 | Continuously variable valve lift actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310408826.7A CN104421006A (en) | 2013-09-10 | 2013-09-10 | Continuous variable adjuster for gas valve lift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104421006A true CN104421006A (en) | 2015-03-18 |
Family
ID=52665047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310408826.7A Pending CN104421006A (en) | 2013-09-10 | 2013-09-10 | Continuous variable adjuster for gas valve lift |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104421006A (en) |
| WO (1) | WO2015035855A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59168210A (en) * | 1983-03-16 | 1984-09-21 | Mitsubishi Heavy Ind Ltd | Hydraulic driving apparatus for exhaust valve |
| JPS60166711A (en) * | 1984-02-10 | 1985-08-30 | Mitsubishi Heavy Ind Ltd | Valve operating device of hydraulic drive type |
| CN1804383A (en) * | 2006-01-19 | 2006-07-19 | 山东大学 | Valve timing continuously variable internal combustion engine valve system |
| CN101479445A (en) * | 2006-06-30 | 2009-07-08 | 瓦特西拉芬兰有限公司 | Control arrangement for a gas exchange valve in a piston engine and method of controlling a gas exchange valve in a piston engine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5487321A (en) * | 1977-12-24 | 1979-07-11 | Mitsubishi Heavy Ind Ltd | Hydraulic valve drive equipment of internal combustion engine |
| JPS60169615A (en) * | 1984-02-14 | 1985-09-03 | Mitsubishi Heavy Ind Ltd | Seat damping device for exhaust valve |
-
2013
- 2013-09-10 CN CN201310408826.7A patent/CN104421006A/en active Pending
-
2014
- 2014-08-22 WO PCT/CN2014/084972 patent/WO2015035855A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59168210A (en) * | 1983-03-16 | 1984-09-21 | Mitsubishi Heavy Ind Ltd | Hydraulic driving apparatus for exhaust valve |
| JPS60166711A (en) * | 1984-02-10 | 1985-08-30 | Mitsubishi Heavy Ind Ltd | Valve operating device of hydraulic drive type |
| CN1804383A (en) * | 2006-01-19 | 2006-07-19 | 山东大学 | Valve timing continuously variable internal combustion engine valve system |
| CN101479445A (en) * | 2006-06-30 | 2009-07-08 | 瓦特西拉芬兰有限公司 | Control arrangement for a gas exchange valve in a piston engine and method of controlling a gas exchange valve in a piston engine |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015035855A1 (en) | 2015-03-19 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150318 |