CN210460780U - Radial loop energy-saving engine oil control valve - Google Patents
Radial loop energy-saving engine oil control valve Download PDFInfo
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- CN210460780U CN210460780U CN201921301518.3U CN201921301518U CN210460780U CN 210460780 U CN210460780 U CN 210460780U CN 201921301518 U CN201921301518 U CN 201921301518U CN 210460780 U CN210460780 U CN 210460780U
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- 239000010705 motor oil Substances 0.000 title claims description 11
- 239000012530 fluid Substances 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 5
- 239000003921 oil Substances 0.000 claims description 39
- 238000000465 moulding Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 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
- 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-conserving type oil control valve of radial loop, including valve housing and piston, form first work interface, second work interface on the valve housing respectively, form radial runner between piston and valve housing, form first hydraulic fluid port, second hydraulic fluid port on the piston respectively, install first radial check valve, the radial check valve of third in the cavity inner chamber of piston respectively, the piston is in for the valve housing slip in-process, and first work interface, first hydraulic fluid port, first radial check valve, radial runner communicate in proper order, perhaps, second work interface, second hydraulic fluid port, the radial check valve of third, radial runner communicate in proper order. The utility model utilizes the first radial one-way valve and the third radial one-way valve to change the flow direction path of the fluid medium and control the flow direction, thereby effectively reducing the consumption of the fluid medium; when applied to a variable valve timing adjustment system, the phase adjustment speed thereof can also 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 a radial return circuit energy-saving 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 radial loop energy-saving type oil control valve is provided, and the consumption of a fluid medium is reduced.
The to-be-solved technical problem of the utility model adopts following technical scheme to realize: the utility model provides an energy-conserving engine oil control valve of radial loop, includes valve housing and piston, the valve housing on form first work interface, second work interface respectively, piston and valve housing between form relative sliding fit structure and form radial runner between piston and valve housing, the piston on form first hydraulic fluid port, second hydraulic fluid port respectively, install first radial check valve, the radial check valve of third in the cavity inner chamber of piston respectively, the piston is in for the valve housing slip in-process, first work interface, first hydraulic fluid port, first radial check valve, radial runner communicate in proper order, perhaps, second work interface, second hydraulic fluid port, the radial check valve of third, radial runner communicate in proper order.
Preferably, a second radial check valve is installed in the hollow inner cavity of the valve housing, an oil inlet is formed in the valve housing, and the oil inlet is communicated with the radial flow passage through the second radial check valve.
Preferably, a front plug is fixedly connected in the hollow inner cavity of the piston, a limit sinking groove is formed between the front plug and the piston, and the first radial one-way valve is installed in the limit sinking groove.
Preferably, an integrated molding structure is arranged between the piston and the front plug.
Preferably, the cross section of the front plug is in a cross structure.
Preferably, a rear plug is fixedly connected in the hollow inner cavity of the piston, a limit sinking groove is formed between the rear plug and the piston, and the third radial one-way valve is installed in the limit sinking groove.
Preferably, an integrated molding structure is arranged between the piston and the rear plug.
Preferably, the cross section of the rear plug is in a T-shaped structure.
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.
Preferably, a spring seat is fixedly connected in the inner cavity of the valve shell, and a return spring is arranged between the spring seat and the rear plug.
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, the flow direction path of the fluid medium is changed by utilizing the first radial one-way valve and the third radial one-way valve, and the flow direction is controlled, so that the first working interface, the first oil through hole, the first radial one-way valve and the radial flow passage are sequentially communicated, or the second working interface, the second oil through hole, the third radial one-way valve and the radial flow passage are sequentially communicated, and therefore, the consumption of the fluid medium can be effectively reduced; 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 (working mode 1) of a radial loop energy-saving engine oil control valve according to the present invention.
Fig. 2 is a schematic structural diagram (operation mode 2) of the energy-saving engine oil control valve with a radial loop according to the present invention.
Fig. 3 is the utility model relates to a radial return circuit energy-saving engine oil control valve is applied to variable valve timing governing system's theory of operation sketch map.
Part label name in the figure: 1-baffle ring, 2-front plug, 3-valve shell, 4-piston, 5-first radial check valve, 6-second radial check valve, 7-mandrel, 8-reset spring, 9-spring seat, 10-filter screen, 11-third radial check valve, 12-rear plug, 13-radial flow channel, 14-stator, 15-retardation cavity, 16-advance cavity, 17-rotor blade, 31-muffler, 32-first working interface, 33-oil inlet, 34-second working interface, 41-first oil through opening and 42-second oil through opening.
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.
The radial loop energy-saving type oil control valve as shown in fig. 1 and 2 mainly comprises a valve housing 3 and a piston 4, wherein the valve housing 3 and the piston 4 are both of a hollow cavity structure, an air relief port 31, a first working interface 32, an oil inlet 33 and a second working interface 34 are respectively formed on the valve housing 3, a second radial one-way valve 6 is installed in a hollow inner cavity of the valve housing 3, and a filter screen 10 is fixedly connected to an end inlet of the valve housing 3. A first oil through hole 41 and a second oil through hole 42 are respectively formed on the piston 4, and a first radial check valve 5 and a third radial check valve 11 are respectively installed in a hollow inner cavity of the piston 4; the piston 4 is movably arranged in the hollow inner cavity of the valve housing 3, a relative sliding fit structure is formed between the piston 4 and the valve housing 3, and a radial flow passage 13 is formed between the piston 4 and the valve housing 3. When the piston 4 slides axially relative to the valve housing 3, the oil inlet 33 is communicated with the radial flow passage 13 through the second radial check valve 6, and the first working port 32, the first oil passing port 41, the first radial check valve 5 and the radial flow passage 13 may be sequentially communicated with each other, or the second working port 34, the second oil passing port 42, the third radial check valve 11 and the radial flow passage 13 may be sequentially communicated with each other. The air-release port 31 is communicated with the end surface 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 stop ring 1 may be provided in the inner cavity of the valve housing 3, and the sliding stroke of the piston 4 relative to the valve housing 3 may be limited by the stop ring 1.
In order to facilitate the assembly operation of the first radial check valve 5 and ensure the working reliability of the first radial check valve 5, the front plug 2 may be fixedly connected in the hollow inner cavity of the piston 4, the cross-sectional shape of the front plug 2 preferably adopts a cross-shaped structure, a limit sink groove is formed between the front plug 2 and the piston 4, and the first radial check valve 5 is installed in the limit sink groove. Similarly, in order to facilitate the assembling operation of the third radial check valve 11 and ensure the operational reliability of the third radial check valve 11, a rear plug 12 may be fixedly connected in the hollow inner cavity of the piston 4, the cross-sectional shape of the rear plug 12 preferably adopts a T-shaped structure, a limit sunken groove is formed between the rear plug 12 and the piston 4, and the third radial check valve 11 is installed in the limit sunken groove.
As shown in fig. 1 and 2, the front plug 2 and the rear plug 12 are respectively fixedly connected with the mandrel 7, a spring seat 9 is fixedly connected in the inner cavity of the valve housing 3, a return spring 8 is arranged between the spring seat 9 and the rear plug 12, and the return spring 8 is arranged to provide a return power for the axial reciprocating motion of the piston 4. Generally, an integrally molded structure is preferably adopted between the spring seat 9 and the valve shell 3; similarly, the front plug 2 and the piston 4, the piston 4 and the rear plug 12, the core shaft 7 and the front plug 2, and the core shaft 7 and the rear plug 12 are preferably integrally molded.
The utility model discloses among the variable valve timing governing system of can being applied to, its theory of operation is as shown in figure 3. Specifically, the hollow inner cavity of the stator 14 is divided into a retarding cavity 15 and an advancing cavity 16 by the rotor blades 17 of the phaser, the retarding cavity 15 is communicated with the second working interface 34, and the advancing cavity 16 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: in the process that the piston 4 slides relative to the valve housing 3, when the hydraulic pressure of the fluid medium in the second working port 34 acts on the third radial check valve 11 and opens the third radial check valve 11, the second working port 34, the second oil through hole 42, the third radial check valve 11, and the radial flow passage 13 are sequentially communicated to form a fluid passage, and the radial flow passage 13 is simultaneously communicated with the first working port 32, as shown in fig. 1 and 3.
The working mode 2 is as follows: in the process that the piston 4 slides relative to the valve housing 3, when the hydraulic pressure of the fluid medium in the first working port 32 acts on the first radial check valve 5 and opens the first radial check valve 5, the first working port 32, the first oil through port 41, the first radial check valve 5, and the radial flow passage 13 are sequentially communicated to form a fluid passage, and the radial flow passage 13 is simultaneously communicated with the second working port 34, as shown in fig. 2.
The utility model discloses a piston 4 makes the axial reciprocating sliding for valve housing 3, utilizes first radial check valve 5, third radial check valve 11 to change the flow direction route of fluid medium, and flow direction control, makes this utility model can realize the above-mentioned 2 kinds of mode, thereby has reduced the consumption of fluid medium effectively; 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 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 a radial return circuit energy-saving engine oil control valve, includes valve housing (3) and piston (4), valve housing (3) on form first service interface (32), second service interface (34) respectively, piston (4) and valve housing (3) between form relative sliding fit structure and between piston (4) and valve housing (3) form radial runner (13), its characterized in that: piston (4) on form first logical hydraulic fluid port (41), second logical hydraulic fluid port (42) respectively, install first radial check valve (5), radial check valve (11) of third in the cavity inner chamber of piston (4) respectively, piston (4) in for valve housing (3) slip in-process, first work interface (32), first logical hydraulic fluid port (41), first radial check valve (5), radial runner (13) communicate in proper order, perhaps, second work interface (34), second logical hydraulic fluid port (42), radial check valve (11), radial runner (13) communicate in proper order.
2. The radial loop energy efficient oil control valve of claim 1, wherein: a second radial check valve (6) is installed in a hollow inner cavity of the valve shell (3), an oil inlet (33) is formed in the valve shell (3), and the oil inlet (33) is communicated with the radial flow channel (13) through the second radial check valve (6).
3. The radial loop energy efficient oil control valve of claim 1, wherein: the hollow inner cavity of the piston (4) is fixedly connected with a front plug (2), a limit sink groove is formed between the front plug (2) and the piston (4), and the first radial one-way valve (5) is installed in the limit sink groove.
4. The radial loop energy saving type oil control valve according to claim 3, wherein: and an integrated molding structure is arranged between the piston (4) and the front plug (2).
5. The radial loop energy saving type oil control valve according to claim 3, wherein: the cross section of the front plug (2) is in a cross structure.
6. The radial loop energy efficient oil control valve of claim 1, wherein: the rear plug (12) is fixedly connected in the hollow inner cavity of the piston (4), a limiting sinking groove is formed between the rear plug (12) and the piston (4), and the third radial one-way valve (11) is installed in the limiting sinking groove.
7. The radial loop energy saving type oil control valve as claimed in claim 6, wherein: and an integrated molding structure is arranged between the piston (4) and the rear plug (12).
8. The radial loop energy saving type oil control valve as claimed in claim 6, wherein: the section of the rear plug (12) is in a T-shaped structure.
9. A radial loop energy saving oil control valve as claimed in any one of claims 1 to 8 wherein: 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).
10. The radial loop energy efficient oil control valve of claim 9, wherein: a spring seat (9) is fixedly connected in the inner cavity of the valve shell (3), and a return spring (8) is arranged between the spring seat (9) and the rear plug (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921301518.3U CN210460780U (en) | 2019-08-12 | 2019-08-12 | Radial loop energy-saving engine oil control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921301518.3U CN210460780U (en) | 2019-08-12 | 2019-08-12 | Radial loop energy-saving engine oil control valve |
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| Publication Number | Publication Date |
|---|---|
| CN210460780U true CN210460780U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921301518.3U Active CN210460780U (en) | 2019-08-12 | 2019-08-12 | Radial loop energy-saving engine oil control valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110318836A (en) * | 2019-08-12 | 2019-10-11 | 绵阳富临精工机械股份有限公司 | A kind of radial loop energy-saving machine oil control valve |
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2019
- 2019-08-12 CN CN201921301518.3U patent/CN210460780U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110318836A (en) * | 2019-08-12 | 2019-10-11 | 绵阳富临精工机械股份有限公司 | A kind of radial loop energy-saving machine oil control valve |
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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 |