CN210460782U - Energy-saving type middle-mounted engine oil control valve - Google Patents
Energy-saving type middle-mounted engine oil control valve Download PDFInfo
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- CN210460782U CN210460782U CN201921303353.3U CN201921303353U CN210460782U CN 210460782 U CN210460782 U CN 210460782U CN 201921303353 U CN201921303353 U CN 201921303353U CN 210460782 U CN210460782 U CN 210460782U
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- 239000010705 motor oil Substances 0.000 title claims abstract description 24
- 239000003921 oil Substances 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 3
- 239000010721 machine oil Substances 0.000 claims description 2
- 239000012530 fluid Substances 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 3
- 230000000979 retarding effect Effects 0.000 description 2
- 230000018199 S phase Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- RDYMFSUJUZBWLH-UHFFFAOYSA-N endosulfan Chemical compound C12COS(=O)OCC2C2(Cl)C(Cl)=C(Cl)C1(Cl)C2(Cl)Cl RDYMFSUJUZBWLH-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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Abstract
The utility model provides an energy-saving central engine oil control valve, including valve housing (3), piston (4) and check valve (5), form first work interface (32) on valve housing (3) respectively, oil inlet (33) and second work interface (34), install in the cavity inner chamber of valve housing (3) piston (4), and form relative sliding fit structure between piston (4) and valve housing (3), check valve (5) fixed mounting is in piston (4) inner chamber, in piston (4) for valve housing (3) slip in-process, first work interface (32) or second work interface (34) are through check valve (5) and oil inlet (33) intercommunication. The utility model utilizes the one-way valve to dredge and control the flow direction of the fluid medium, thereby realizing 2 working modes and effectively reducing the consumption of the fluid medium; when applied to a variable valve timing adjustment system, the phase adjustment speed thereof can be increased.
Description
Technical Field
The utility model belongs to the technical field of the engine oil control valve structural design and specifically relates to an energy-saving central-positioned engine oil control valve is related to.
Background
The variable valve timing adjusting technology is characterized in that under a specific engine working condition, the opening angles of an intake valve and an exhaust valve of an internal combustion engine are controlled, and the overlap angle of the intake valve and the exhaust valve is changed, so that the purposes of increasing intake charge and efficiency, better organizing intake vortex, adjusting the explosion pressure and residual exhaust gas quantity of a cylinder and finally improving the comprehensive performances of the engine such as power, torque, emission, fuel economy and the like are achieved.
At present, a common variable valve timing adjusting system mainly adopts an oil pump to output oil pressure to an oil control valve as driving force to work, wherein the oil control valve has a complex structure, high dependence on fluid medium pressure (oil pressure) and large oil consumption, so that higher oil pressure and oil pumping amount requirements are provided for an engine oil pump system, the structure of the engine system is more complex, and oil leakage must be compensated by means of a high driving oil pressure ratio; particularly under low temperature conditions, the response speed of the variable valve timing adjusting system is low due to high viscosity of the engine oil.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: aiming at the problems in the prior art, the energy-saving type middle-positioned engine oil control valve is provided, and the consumption of fluid media is reduced.
The to-be-solved technical problem of the utility model adopts following technical scheme to realize: the energy-saving central engine oil control valve comprises a valve shell, a piston and a one-way valve, wherein a first working interface, an oil inlet and a second working interface are respectively formed on the valve shell, the piston is arranged in a hollow inner cavity of the valve shell, a relative sliding fit structure is formed between the piston and the valve shell, the one-way valve is fixedly arranged in the inner cavity of the piston, and in the sliding process of the piston relative to the valve shell, the first working interface or the second working interface is communicated with the oil inlet through the one-way valve.
Preferably, the check valve comprises a front stop block, a front actuating member, a rear stop block and a rear actuating member, wherein oil through holes are respectively formed in the front stop block and the rear stop block, the front actuating member and the rear actuating member are arranged between the front stop block and the rear stop block, and a first return spring is arranged between the front actuating member and the rear actuating member; when a contact sealing structure is formed between the front actuating piece and the front stop block under the action of the first return spring, the oil passing hole on the front stop block is closed; when the rear actuating piece forms a contact sealing structure with the rear stop block under the action of the first return spring, the oil passing hole on the rear stop block is closed.
Preferably, the front actuating member is a T-shaped structural member, and a socket structure is formed between a relatively smaller end of the T-shaped structural member and the first return spring.
Preferably, the rear actuating member is a T-shaped structural member, and a socket structure is formed between a relatively smaller end of the T-shaped structural member and the first return spring.
Preferably, a mandrel is arranged in the inner cavity of the piston, the mandrel penetrates through the front executing part, and a relative sliding structure is formed between the front executing part and the mandrel.
Preferably, a mandrel is arranged in an inner cavity of the piston, the mandrel penetrates through the rear actuating member, and a relative sliding structure is formed between the rear actuating member and the mandrel.
Preferably, the opposite ends of the mandrel are respectively and fixedly connected with the front plug and the rear plug, and the check valve is installed between the front plug and the rear plug.
Preferably, an integrated molding structure is arranged between the front plug or the rear plug and the piston.
Preferably, an integrated forming structure is arranged between the front plug or the rear plug and the mandrel.
Preferably, a baffle ring is arranged in the inner cavity of the valve housing, and the sliding stroke of the piston relative to the valve housing is limited by the baffle ring.
Compared with the prior art, the beneficial effects of the utility model are that: the piston axially slides back and forth relative to the valve shell, and the flow direction path of the fluid medium is dredged and controlled by the one-way valve, so that the utility model can realize 2 working modes, thereby effectively reducing the consumption of the fluid medium; additionally, the utility model discloses be applied to variable valve governing system in right time, can also improve variable valve governing system in right time's phase place governing speed.
Drawings
Fig. 1 is a schematic structural diagram (operation mode 1) of an energy-saving central engine oil control valve according to the present invention.
Fig. 2 is a schematic structural diagram (operation mode 2) of an energy-saving central engine oil control valve according to the present invention.
Fig. 3 is a schematic view of the configuration of the check valve in fig. 1 or fig. 2 (the check valve is in a closed state).
Fig. 4 is a schematic view showing the configuration of the check valve in fig. 1 or 2 (the right side of the check valve is in an open state).
Fig. 5 is a schematic view showing the configuration of the check valve in fig. 1 or 2 (the left side of the check valve is in an open state).
Fig. 6 is the utility model discloses an energy-saving central-positioned machine oil control valve is applied to variable valve timing governing system's theory of operation schematic diagram.
Part label name in the figure: 1-baffle ring, 2-front plug, 3-valve shell, 4-piston, 5-one-way valve, 6-mandrel, 7-rear plug, 8-second return spring, 9-spring seat, 10-filter screen, 11-stator, 12-lagging cavity, 13-advancing cavity, 14-rotor blade, 31-gas elimination port, 32-first working interface, 33-oil inlet, 34-second working interface, 51-front block, 52-oil passing hole, 53-front actuating element, 54-first return spring, 55-rear block and 56-rear actuating element.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 and 2, the energy-saving central engine oil control valve mainly includes a valve housing 3, a piston 4 and a check valve 5, the valve housing 3 is of a hollow cavity structure, an air relief port 31, a first working port 32, an oil inlet 33 and a second working port 34 are respectively formed on the valve housing 3, and a filter screen 10 is fixedly connected to an inlet at an end of the valve housing 3. The piston 4 is arranged in the hollow inner cavity of the valve shell 3, and a relative sliding fit structure is formed between the piston 4 and the valve shell 3.
The specific structure of the check valve 5 is as shown in fig. 3, 4 and 5, and mainly includes a front block 51, a front actuating member 53, a rear block 55 and a rear actuating member 56, oil passing holes 52 are respectively formed on the front block 51 and the rear block 55, the front actuating member 53 and the rear actuating member 56 are arranged between the front block 51 and the rear block 55, and a first return spring 54 is arranged between the front actuating member 53 and the rear actuating member 56; when the front actuating piece 53 forms a contact sealing structure with the front stop block 51 under the action of the first return spring 54, the oil passing hole 52 on the front stop block 51 is closed, and the oil passing hole 52 on the rear stop block 55 is opened; when the rear actuator 56 forms a contact sealing structure with the rear stopper 55 by the first return spring 54, the oil passing hole 52 on the rear stopper 55 is closed and the oil passing hole 52 on the front stopper 51 is opened. The front actuating member 53 is preferably a T-shaped structural member, and a socket structure is formed between a relatively smaller end of the T-shaped structural member and the first return spring 54; similarly, the rear actuator 56 is preferably a T-shaped member having a relatively smaller end that forms a socket with the first return spring 54.
The one-way valve 5 is fixedly arranged in the inner cavity of the piston 4. Specifically, a mandrel 6 is arranged in an inner cavity of the piston 4, opposite ends of the mandrel 6 are respectively and fixedly connected with the front plug 2 and the rear plug 7, the front plug 2 and the rear plug 7 are respectively and fixedly connected with the piston 4, a front stop block 51 and a rear stop block 55 in the check valve 5 are respectively and fixedly connected in a hollow inner cavity of the piston 4, the mandrel 6 penetrates through the front stop block 51, the front execution member 53, the rear execution member 56 and the rear stop block 55, and the front execution member 53 and the rear execution member 56 respectively form a relative sliding structure with the mandrel 6, so that the check valve 5 is installed between the front plug 2 and the rear plug 7. A spring seat 9 is fixedly connected in the hollow cavity of the valve shell 3, and a second return spring 8 is arranged between the spring seat 9 and the rear plug 7. Generally, the front plug 2 and the piston 4, the core shaft 6 and the front plug 2, the core shaft 6 and the rear plug 7, the rear plug 7 and the piston 4, and the spring seat 9 and the valve housing 3 are preferably integrally molded. The front stop block 51 and the rear stop block 55 are preferably fixedly mounted in the hollow inner cavity of the piston 4 by interference fit.
The energy-saving central engine oil control valve can be applied to a variable valve timing adjusting system, and the working principle of the energy-saving central engine oil control valve is shown in fig. 6. Specifically, the hollow inner cavity of the stator 11 is divided into a retarding cavity 12 and an advancing cavity 13 by the rotor blades 14 of the phaser, the retarding cavity 12 is communicated with the second working interface 34, and the advancing cavity 13 is communicated with the first working interface 32, when the piston 4 slides axially relative to the valve housing 3, the following 2 working modes can be formed:
working mode 1: during the sliding process of the piston 4 relative to the valve housing 3, when the fluid medium in the second working port 34 acts on the rear actuating member 56 through the oil passing hole 52 on the rear stop block 55, the rear actuating member 56 compresses the first return spring 54, the front actuating member 53 forms a contact sealing structure with the front stop block 51 under the action of the first return spring 54, at this time, the oil passing hole 52 on the front stop block 51 is closed, and the oil passing hole 52 on the rear stop block 55 is opened, so that the second working port 34 is communicated with the oil inlet 33 through the check valve 5, and the oil inlet 33 is simultaneously communicated with the first working port 32, as shown in fig. 1, 4 and 6.
The working mode 2 is as follows: during the sliding process of the piston 4 relative to the valve housing 3, when the fluid medium in the first work port 32 acts on the front actuating member 53 through the oil passing hole 52 on the front stop block 51, the front actuating member 53 compresses the first return spring 54, the rear actuating member 56 forms a contact sealing structure with the rear stop block 55 under the action of the first return spring 54, at this time, the oil passing hole 52 on the rear stop block 55 is closed, and the oil passing hole 52 on the front stop block 51 is opened, so that the first work port 32 is communicated with the oil inlet 33 through the check valve 5, and the oil inlet 33 is simultaneously communicated with the second work port 34, as shown in fig. 2 and 5.
When the oil passing hole 52 on the front stop block 51 and the oil passing hole 52 on the rear stop block 55 are both in a closed state, as shown in fig. 3, at this time, the check valve 5 is in a completely closed state, the piston 4 is positioned at an intermediate position, and the oil inlet 33 is not communicated with the first working port 32 and the second working port 34.
The utility model has the advantages that the piston 4 axially reciprocates and slides relative to the valve shell 3, the one-way valve 5 is utilized to dredge the flow direction path of the fluid medium and control the flow direction, thus the energy-saving central engine oil control valve of the utility model can realize the 2 working modes, thereby effectively reducing the consumption of the fluid medium; when it is applied to a variable valve timing adjusting system, the phase adjusting speed of the variable valve timing adjusting system can be increased by the 2 operation modes described above. The second return spring 8 can provide return power for the axial reciprocating motion of the piston 4, and the air release port 31 is communicated with the end face of the piston 4 so as to release air and release oil when the piston 4 moves. In order to prevent the piston 4 from falling out of the inner cavity of the valve housing 3, a baffle ring 1 can be arranged in the inner cavity of the valve housing 3, and the sliding stroke of the piston 4 relative to the valve housing 3 is limited by the baffle ring 1, as shown in fig. 1, 2 and 6.
The above description is only exemplary of the present invention and should not be taken as limiting, and all changes, equivalents, and improvements made within the spirit and principles of the present invention should be understood as being included in the scope of the present invention.
Claims (10)
1. The utility model provides an energy-saving central-positioned machine oil control valve, includes valve housing (3), piston (4), valve housing (3) on form first work interface (32), oil inlet (33) and second work interface (34) respectively, piston (4) install in the cavity inner chamber of valve housing (3) and form relative sliding fit structure between piston (4) and valve housing (3), its characterized in that: the check valve (5) is fixedly installed in an inner cavity of the piston (4), and in the process that the piston (4) slides relative to the valve shell (3), the first working interface (32) or the second working interface (34) is communicated with the oil inlet (33) through the check valve (5).
2. The energy-saving mid-set engine oil control valve according to claim 1, characterized in that: the check valve (5) comprises a front stop block (51), a front actuating piece (53), a rear stop block (55) and a rear actuating piece (56), oil through holes (52) are respectively formed in the front stop block (51) and the rear stop block (55), the front actuating piece (53) and the rear actuating piece (56) are arranged between the front stop block (51) and the rear stop block (55), and a first return spring (54) is arranged between the front actuating piece (53) and the rear actuating piece (56); when a contact sealing structure is formed between the front actuating piece (53) and the front stop block (51) under the action of the first return spring (54), the oil passing hole (52) on the front stop block (51) is closed; when the rear actuator (56) forms a contact sealing structure with the rear stop block (55) under the action of the first return spring (54), the oil passing hole (52) on the rear stop block (55) is closed.
3. The energy-saving mid-set engine oil control valve according to claim 2, characterized in that: the front actuating part (53) is a T-shaped structural part, and a sleeving structure is formed between a relatively smaller end of the front actuating part and the first return spring (54).
4. The energy-saving mid-set engine oil control valve according to claim 2, characterized in that: the rear actuating part (56) is a T-shaped structural part, and a sleeving structure is formed between a relatively smaller end of the T-shaped structural part and the first return spring (54).
5. The energy-saving mid-set engine oil control valve according to claim 2, characterized in that: a mandrel (6) is arranged in an inner cavity of the piston (4), the mandrel (6) penetrates through the front executing part (53), and a relative sliding structure is formed between the front executing part (53) and the mandrel (6).
6. The energy-saving mid-set engine oil control valve according to claim 2, characterized in that: a mandrel (6) is arranged in an inner cavity of the piston (4), the mandrel (6) penetrates through the rear execution part (56), and a relative sliding structure is formed between the rear execution part (56) and the mandrel (6).
7. The energy-saving mid-set engine oil control valve according to claim 5 or 6, characterized in that: the two opposite ends of the mandrel (6) are fixedly connected with the front plug (2) and the rear plug (7) respectively, and the check valve (5) is installed between the front plug (2) and the rear plug (7).
8. The energy-saving mid-set engine oil control valve according to claim 7, characterized in that: the front plug (2) or the rear plug (7) and the piston (4) are in an integrated molding structure.
9. The energy-saving mid-set engine oil control valve according to claim 7, characterized in that: the front plug (2) or the rear plug (7) and the mandrel (6) are in an integrated molding structure.
10. The energy-saving mid-mount engine oil control valve according to any one of claims 1 to 6, characterized in that: a baffle ring (1) is arranged in an inner cavity of the valve shell (3), and the sliding stroke of the piston (4) relative to the valve shell (3) is limited through the baffle ring (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921303353.3U CN210460782U (en) | 2019-08-12 | 2019-08-12 | Energy-saving type middle-mounted engine oil control valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921303353.3U CN210460782U (en) | 2019-08-12 | 2019-08-12 | Energy-saving type middle-mounted engine oil control valve |
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| Publication Number | Publication Date |
|---|---|
| CN210460782U true CN210460782U (en) | 2020-05-05 |
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| CN201921303353.3U Active CN210460782U (en) | 2019-08-12 | 2019-08-12 | Energy-saving type middle-mounted engine oil control valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110318838A (en) * | 2019-08-12 | 2019-10-11 | 绵阳富临精工机械股份有限公司 | A kind of energy-saving middle OCV Oil Control Valve |
-
2019
- 2019-08-12 CN CN201921303353.3U patent/CN210460782U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110318838A (en) * | 2019-08-12 | 2019-10-11 | 绵阳富临精工机械股份有限公司 | A kind of energy-saving middle OCV Oil Control Valve |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 621000 No.37 Fenghuang Middle Road, high end equipment manufacturing industrial park, Fucheng District, Mianyang City, Sichuan Province Patentee after: Fulin Precision Co.,Ltd. Country or region after: China Address before: 621000 No.37 Fenghuang Middle Road, high end equipment manufacturing industrial park, Fucheng District, Mianyang City, Sichuan Province Patentee before: Mianyang Fulin Jinggong Co.,Ltd. Country or region before: China Address after: 621000 No.37 Fenghuang Middle Road, high end equipment manufacturing industrial park, Fucheng District, Mianyang City, Sichuan Province Patentee after: Mianyang Fulin Jinggong Co.,Ltd. Country or region after: China Address before: 621000 No.37 Fenghuang Middle Road, high end equipment manufacturing industrial park, Fucheng District, Mianyang City, Sichuan Province Patentee before: MIANYANG FULIN PRECISION MACHINING Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |