CN110318836A - A kind of radial loop energy-saving machine oil control valve - Google Patents
A kind of radial loop energy-saving machine oil control valve Download PDFInfo
- Publication number
- CN110318836A CN110318836A CN201910739842.1A CN201910739842A CN110318836A CN 110318836 A CN110318836 A CN 110318836A CN 201910739842 A CN201910739842 A CN 201910739842A CN 110318836 A CN110318836 A CN 110318836A
- Authority
- CN
- China
- Prior art keywords
- radial
- piston
- check valve
- valve
- machine oil
- 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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
- F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
-
- 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
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
- F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
- F01L2001/34423—Details relating to the hydraulic feeding circuit
- F01L2001/34426—Oil control valves
Abstract
The present invention provides a kind of radial loop energy-saving machine oil control valve, including valve shell and piston, the first working interface is respectively formed on valve shell, second working interface, radial flow path is formed between piston and valve shell, the first logical hydraulic fluid port is respectively formed on the piston, second logical hydraulic fluid port, first radial check valve is installed respectively in the hollow cavity of piston, third radial direction check valve, the piston is in relative to valve shell sliding process, first working interface, first logical hydraulic fluid port, first radial check valve, radial flow path is sequentially communicated, or, second working interface, second logical hydraulic fluid port, third radial direction check valve, radial flow path is sequentially communicated.The present invention changes flowing to path and carrying out traffic organising for fluid media (medium) using the first radial check valve, third radial direction check valve, so as to efficiently reduce the consumption of fluid medium；When being applied to variable valve timing regulating system, its phase adjusted speed also can be improved.
Description
Technical field
The present invention relates to OCV Oil Control Valve field of structural design, control more particularly, to a kind of radial loop energy-saving engine oil
Valve.
Background technique
Variable valve timing regulation technology refers under specific engine operating condition, by controlling internal combustion engine inlet and outlet door
On the opportunity of opening angle, change the size of inlet and outlet door angle overlap, increases charge and efficiency, preferably group to realize
Intake swirl is knitted, cylinder-firing pressure and residual waste gas quantity, the final power for obtaining engine, torque, discharge, fuel oil warp are adjusted
The improved combination properties such as Ji property.
Variable valve timing regulating system common at present mainly uses oil pump to OCV Oil Control Valve output oil pressure for driving
Power works, and the structure of OCV Oil Control Valve therein is more complicated, the dependency degree height of fluid medium pressure (oil pressure), oil consumption
Amount is big, to propose higher oil pressure and pump oil amount demand to engine oil pumping system, causes engine system structure more multiple
It is miscellaneous, moreover, lubricating oil leakage must also be compensated by high driving oil pressure ratio；Especially under the conditions of worst cold case, due to machine oil
Viscosity is high, causes the response speed of variable valve timing regulating system relatively low.
Summary of the invention
The technical problem to be solved by the present invention is in view of the problems of the existing technology, providing a kind of radial loop energy conservation
Type OCV Oil Control Valve reduces the consumption of fluid medium.
The technical problem to be solved in the present invention is realized using following technical scheme: a kind of radial loop energy-saving engine oil control
Valve processed, including valve shell and piston are respectively formed the first working interface, the second working interface on the valve shell, described
Opposite sliding matching structure is formed between piston and valve shell and radial flow path is formed between piston and valve shell, it is described
The first logical hydraulic fluid port, the second logical hydraulic fluid port are respectively formed on piston, installed respectively in the hollow cavity of piston the first radial check valve,
Third radial direction check valve, the piston is in relative to valve shell sliding process, first working interface, the first logical oil
Mouth, the first radial check valve, radial flow path are sequentially communicated, alternatively, second working interface, the second logical hydraulic fluid port, third diameter
It is sequentially communicated to check valve, radial flow path.
Preferably, the radial check valve of installation second in the hollow cavity of the valve shell, formed on the valve shell into
Hydraulic fluid port, the oil inlet are connected to by the second radial check valve with radial flow path.
Preferably, it is fixedly connected with preceding plug in the hollow cavity of the piston, is formed between the preceding plug and piston
Deep gouge is limited, the described first radial check valve is mounted in the limit deep gouge.
It preferably, is integrated molding structure between the piston and preceding plug.
Preferably, the cross sectional shape of the preceding plug is in cross-shaped structure.
Preferably, it is fixedly connected with rear plug in the hollow cavity of the piston, is formed between the rear plug and piston
Deep gouge is limited, the third radial direction check valve is mounted in the limit deep gouge.
It preferably, is integrated molding structure between the piston and rear plug.
Preferably, the cross sectional shape structure in T shape of the rear plug.
Preferably, baffle ring is set in the inner cavity of the valve shell, cunning of the piston relative to valve shell is limited by baffle ring
Dynamic stroke.
Preferably, it is fixedly connected with spring base in the inner cavity of the valve shell, is arranged between spring base and rear plug and resets
Spring.
Compared with prior art, the beneficial effects of the present invention are: making axial reciprocating sliding relative to valve shell by piston,
Change flowing to path and carrying out flow direction control for fluid media (medium) using the therein first radial check valve, third radial direction check valve
System, to make, the first working interface, the first logical hydraulic fluid port, the first radial check valve, radial flow path is sequentially communicated or the second work
Make interface, the second logical hydraulic fluid port, third radial direction check valve, radial flow path to be sequentially communicated, be situated between it is possible thereby to efficiently reduce to fluid
The consumption of matter；In addition, the present invention is applied to variable valve timing regulating system, variable valve timing regulating system can also be improved
Phase adjusted speed.
Detailed description of the invention
Fig. 1 is a kind of organigram (operating mode 1) of radial loop energy-saving machine oil control valve of the present invention.
Fig. 2 is a kind of organigram (operating mode 2) of radial loop energy-saving machine oil control valve of the present invention.
Fig. 3 is the work that a kind of radial loop energy-saving machine oil control valve of the present invention is applied to variable valve timing regulating system
Make schematic illustration.
Component token name claims in figure: 1- baffle ring, plug before 2-, 3- valve shell, 4- piston, the radial check valve of 5- first, 6-
Second radial check valve, 7- mandrel, 8- reset spring, 9- spring base, 10- strainer, 11- third radial direction check valve block up after 12-
Head, 13- radial flow path, 14- stator, 15- lag chamber, and 16- shifts to an earlier date chamber, 17- rotor blade, and 31- cools down mouth, and 32- first works
Interface, 33- oil inlet, the second working interface of 34-, 41- first lead to hydraulic fluid port, and 42- second leads to hydraulic fluid port.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawing and specific implementation
The present invention is described in detail for example.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
Radial loop energy-saving machine oil control valve as shown in Figure 1 and Figure 2, it is described mainly including valve shell 3 and piston 4
Valve shell 3, piston 4 are hollow cavity structure, and mouth 31 of cooling down, the first working interface 32, oil inlet are respectively formed on valve shell 3
Mouthfuls 33 and second working interface 34, the radial check valve 6 of installation second in the hollow cavity of the valve shell 3, at the end of valve shell 3
Portion inlet is fixedly connected with strainer 10.The first logical hydraulic fluid port 41, the second logical hydraulic fluid port 42 are respectively formed on piston 4, and in piston 4
First radial check valve 5, third radial direction check valve 11 is installed respectively in hollow cavity；The piston 4 is movably arranged on outside valve
Opposite sliding matching structure is formed in the hollow cavity of shell 3 and between piston 4 and valve shell 3, between piston 4 and valve shell 3
Form radial flow path 13.When piston 4 is in axial sliding relative to valve shell 3, the oil inlet 33 is radial single by second
It is connected to valve 6 with radial flow path 13, first working interface 32, the first radial check valve 5 of logical hydraulic fluid port 41, first, radial direction
It can be sequentially communicated between runner 13, alternatively, second working interface 34, the second logical hydraulic fluid port 42, third radial direction check valve
11, it can be sequentially communicated between radial flow path 13.The mouth 31 of cooling down is connected to 4 end face of piston, so as to when piston 4 moves
It is cooled down, draining.Piston 4 deviates from 3 inner cavity of valve shell in order to prevent, and baffle ring 1 can be arranged in the inner cavity of valve shell 3, and
Sliding stroke of the piston 4 relative to valve shell 3 is limited by baffle ring 1.
The assembling work of first radial check valve 5 for convenience, and guarantee the functional reliability of the first radial check valve 5,
The cross sectional shape of plug 2 before being fixedly connected in the hollow cavity of piston 4, the preceding plug 2 preferably uses cross knot
Structure, forms limit deep gouge between preceding plug 2 and piston 4, and the described first radial check valve 5 is mounted on the limit deep gouge
In.Similarly, in order to facilitate the assembling work of third radial direction check valve 11, and guarantee the reliable operation of third radial direction check valve 11
Property, the cross sectional shape of plug 12 after being fixedly connected in the hollow cavity of piston 4, the rear plug 12 preferably uses T word
Shape structure, forms limit deep gouge between rear plug 12 and piston 4, and the third radial direction check valve 11 is mounted on the limit
In the deep gouge of position.
As shown in Figure 1 and Figure 2, the preceding plug 2, rear plug 12 are fixedly connected with mandrel 7 respectively, in valve shell 3
It is fixedly connected with spring base 9 in chamber, reset spring 8 is set between spring base 9 and rear plug 12, it, can by the way that reset spring 8 is arranged
Reset power is provided with the axially reciprocating for piston 4.In general, preferably using one between the spring base 9 and valve shell 3
Body molding structure；Similarly, between the preceding plug 2 and piston 4, between piston 4 and rear plug 12, mandrel 7 and preceding stifled
Between first 2, between mandrel 7 and rear plug 12 it is also preferred that using integrated molding structure.
Present invention can apply in variable valve timing regulating system, working principle is as shown in Figure 3.Specifically, pass through
The hollow cavity of stator 14 is separated into lag chamber 15 and chamber 16 in advance by the rotor blade 17 of phaser, the lag chamber 15 and
Second working interface 34 is connected to and chamber 16 is connected to the first working interface 32 in advance, when piston 4 makees axial direction relative to valve shell 3
When sliding, following 2 kinds of operating modes can be formed:
Operating mode 1: in piston 4 relative to the fluid media (medium) in 3 sliding process of valve shell, in the second working interface 34
Action of hydraulic force in third radial direction check valve 11, and make third radial direction check valve 11 open when, second working interface
34, the second logical hydraulic fluid port 42, third radial direction check valve 11, be sequentially communicated and form fluid channel between radial flow path 13, it is described
Radial flow path 13 is connected to the first working interface 32 simultaneously, as shown in Figure 1, Figure 3.
Operating mode 2: in piston 4 relative to the fluid media (medium) in 3 sliding process of valve shell, in the first working interface 32
Action of hydraulic force in the first radial check valve 5, and when opening the first radial check valve 5, first working interface 32,
It is sequentially communicated between the first radial check valve 5 of logical hydraulic fluid port 41, first, radial flow path 13 and forms fluid channel, the radial direction
Runner 13 is connected to the second working interface 34 simultaneously, as shown in Figure 2.
The present invention makees axial reciprocating sliding relative to valve shell 3 by piston 4, utilizes the first radial check valve 5, third diameter
Change flowing to path and carrying out traffic organising for fluid media (medium) to check valve 11 so that the present invention may be implemented it is above-mentioned
2 kinds of operating modes, to effectively reduce the consumption of fluid medium；System is adjusted when it is applied to variable valve timing
After system, by 2 kinds of above-mentioned operating modes, the phase adjusted speed of variable valve timing regulating system can be improved.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, it is noted that all
Made any modifications, equivalent replacements, and improvements etc. within the spirit and principles in the present invention should be included in guarantor of the invention
Within the scope of shield.
Claims (10)
1. a kind of radial loop energy-saving machine oil control valve, including valve shell (3) and piston (4), on the valve shell (3) point
The first working interface (32), the second working interface (34) are not formed, are formed between the piston (4) and valve shell (3) opposite
Sliding matching structure and formation radial flow path (13) between piston (4) and valve shell (3), it is characterised in that: the piston
(4) it is respectively formed the first logical hydraulic fluid port (41), the second logical hydraulic fluid port (42) on, installs first respectively in the hollow cavity of piston (4)
Radial check valve (5), third radial direction check valve (11), the piston (4) are described in relative to valve shell (3) sliding process
The first working interface (32), the first logical hydraulic fluid port (41), the first radial check valve (5), radial flow path (13) be sequentially communicated, or
Person, second working interface (34), the second logical hydraulic fluid port (42), third radial direction check valve (11), radial flow path (13) are successively
Connection.
2. a kind of radial loop energy-saving machine oil control valve according to claim 1, it is characterised in that: the valve shell
(3) the radial check valve (6) of installation second in hollow cavity is formed oil inlet (33) on the valve shell (3), it is described into
Hydraulic fluid port (33) is connected to by the second radial check valve (6) with radial flow path (13).
3. a kind of radial loop energy-saving machine oil control valve according to claim 1, it is characterised in that: the piston (4)
Hollow cavity in be fixedly connected preceding plug (2), between the preceding plug (2) and piston (4) formed limit deep gouge, it is described
First radial check valve (5) is mounted in the limit deep gouge.
4. a kind of radial loop energy-saving machine oil control valve according to claim 3, it is characterised in that: the piston
It (4) is integrated molding structure between preceding plug (2).
5. a kind of radial loop energy-saving machine oil control valve according to claim 3, it is characterised in that: the preceding plug
(2) cross sectional shape is in cross-shaped structure.
6. a kind of radial loop energy-saving machine oil control valve according to claim 1, it is characterised in that: the piston (4)
Hollow cavity in be fixedly connected rear plug (12), between the rear plug (12) and piston (4) formed limit deep gouge, it is described
Third radial direction check valve (11) be mounted in the limit deep gouge.
7. a kind of radial loop energy-saving machine oil control valve according to claim 6, it is characterised in that: the piston
It (4) is integrated molding structure between rear plug (12).
8. a kind of radial loop energy-saving machine oil control valve according to claim 6, it is characterised in that: the rear plug
(12) cross sectional shape structure in T shape.
9. a kind of radial loop energy-saving machine oil control valve according to claim 1-8, it is characterised in that: described
Baffle ring (1) is set in the inner cavity of valve shell (3), sliding row of the piston (4) relative to valve shell (3) is limited by baffle ring (1)
Journey.
10. a kind of radial loop energy-saving machine oil control valve according to claim 9, it is characterised in that: the valve shell
(3) it is fixedly connected with spring base (9) in inner cavity, reset spring (8) are set between spring base (9) and rear plug (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910739842.1A CN110318836A (en) | 2019-08-12 | 2019-08-12 | A kind of radial loop energy-saving machine oil control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910739842.1A CN110318836A (en) | 2019-08-12 | 2019-08-12 | A kind of radial loop energy-saving machine oil control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110318836A true CN110318836A (en) | 2019-10-11 |
Family
ID=68125944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910739842.1A Pending CN110318836A (en) | 2019-08-12 | 2019-08-12 | A kind of radial loop energy-saving machine oil control valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN110318836A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554989A (en) * | 2020-12-02 | 2021-03-26 | 海力达汽车系统（常熟）有限公司 | Anti-loosening valve core and engine oil control valve |
| US11193400B2 (en) | 2020-04-29 | 2021-12-07 | Schaeffler Technologies AG & Co. KG | Pressurized oil reservoir for camshaft phaser |
| CN114076008A (en) * | 2021-12-02 | 2022-02-22 | 杰锋汽车动力系统股份有限公司 | Engine VVT system engine oil control valve and control method thereof |
| US11560813B2 (en) | 2021-03-18 | 2023-01-24 | Schaeffler Technologies AG & Co. KG | Recirculating hydraulic fluid control valve |
| US11560814B1 (en) | 2022-01-21 | 2023-01-24 | Schaeffler Technologies AG & Co. KG | Recirculating hydraulic fluid control valve |
| US11585247B2 (en) | 2020-06-14 | 2023-02-21 | Schaeffler Technologies AG & Co. KG | Recirculating hydraulic fluid control valve |
| US11753969B2 (en) | 2020-01-09 | 2023-09-12 | Schaeffler Technologies AG & Co. KG | Recirculating hydraulic fluid control valve |
-
2019
- 2019-08-12 CN CN201910739842.1A patent/CN110318836A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11753969B2 (en) | 2020-01-09 | 2023-09-12 | Schaeffler Technologies AG & Co. KG | Recirculating hydraulic fluid control valve |
| US11193400B2 (en) | 2020-04-29 | 2021-12-07 | Schaeffler Technologies AG & Co. KG | Pressurized oil reservoir for camshaft phaser |
| US11585247B2 (en) | 2020-06-14 | 2023-02-21 | Schaeffler Technologies AG & Co. KG | Recirculating hydraulic fluid control valve |
| US11852051B2 (en) | 2020-06-14 | 2023-12-26 | Schaeffler Technologies AG & Co. KG | Recirculating hydraulic fluid control valve |
| CN112554989A (en) * | 2020-12-02 | 2021-03-26 | 海力达汽车系统（常熟）有限公司 | Anti-loosening valve core and engine oil control valve |
| US11560813B2 (en) | 2021-03-18 | 2023-01-24 | Schaeffler Technologies AG & Co. KG | Recirculating hydraulic fluid control valve |
| CN114076008A (en) * | 2021-12-02 | 2022-02-22 | 杰锋汽车动力系统股份有限公司 | Engine VVT system engine oil control valve and control method thereof |
| US11560814B1 (en) | 2022-01-21 | 2023-01-24 | Schaeffler Technologies AG & Co. KG | Recirculating hydraulic fluid control valve |
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