CN110318837A - A kind of control valve and cam phase converter oil piping system - Google Patents
A kind of control valve and cam phase converter oil piping system Download PDFInfo
- Publication number
- CN110318837A CN110318837A CN201910739854.4A CN201910739854A CN110318837A CN 110318837 A CN110318837 A CN 110318837A CN 201910739854 A CN201910739854 A CN 201910739854A CN 110318837 A CN110318837 A CN 110318837A
- Authority
- CN
- China
- Prior art keywords
- valve casing
- piping system
- valve
- phase converter
- control 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000003921 oil Substances 0.000 claims description 61
- 239000002131 composite material Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 2
- 239000010734 process oil Substances 0.000 claims 1
- 230000008439 repair process Effects 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 10
- 238000013461 design Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
The present invention provides a kind of control valve and cam phase converter oil piping system, the control valve includes valve casing and piston, axial sliding fit structure is formed between piston and valve casing, drainage channel is set on valve casing and housing inlet port end forms drainage lumens, one end of drainage channel is connected to valve casing periphery, the other end is connected to drainage lumens.The cam phase converter oil piping system includes rotor, camshaft and control valve as described above, it is slided by piston relative to valve casing, oil inlet therein, drainage channel, medium guiding channel, input interface, water conservancy diversion oil duct can be made to be sequentially communicated and form oil inlet runner, and water conservancy diversion oil duct is connected to the first working interface or is connected to the second working interface.The present invention can cancel the pressure oil guide part in conventional cam phase converter oil piping system, reduce the repair and replacement cost and quality risk of cam phase converter oil piping system, have simplified oil piping system overall structure, reduce outstanding advantages of cost.
Description
Technical field
The present invention relates to cam phase converter oil circuit design fields, more particularly, to one adjusted applied to variable valve timing
Kind control valve and cam phase converter oil piping system.
Background technique
Variable valve timing regulation technology refers under specific engine operating condition, by the inlet and outlet for controlling internal combustion engine
The opportunity of door opening angle changes the size of inlet and outlet door angle overlap, increases charge and efficiency to realize, preferably
Intake swirl is organized, cylinder-firing pressure and residual waste gas quantity, final power, torque, discharge, the fuel oil for obtaining engine are adjusted
The improvement of the comprehensive performances such as economy.
In existing cam phase converter oil circuit design, need to pass through between camshaft hydraulic fluid port and valve housing input interface
Customization, complicated pressure oil guide part guides.Since structure is complicated for pressure oil guide part, groove thereon and
The processing cost of radial opening is higher, and outer circle needs and valve housing precision-fit, inner hole needs and piston precision-fit, because
This, it is higher for the required precision of pressure oil guide part, to further increase production cost；In addition, due to also needing to pressure
Power oil guide part carries out circumferentially positioned design, influences product function, performance to prevent pressure oil guide part from rotating, these increases
Positioning mechanism be also required to increase production cost.For the filter device or check valve in cam phase converter system, once go out
When now failing and needing replacing, after needing to be removed all components inside valve housing, replacement operation just can be carried out.This
Kind replacement operation is more complicated, and not only implementation cost is higher, and since piston and pressure oil guide part belong to precision-fit
Part, it is easy to damage, scratch, the quality risk of cam phase converter is caused also suddenly to increase.
Summary of the invention
The technical problem to be solved by the present invention is in view of the problems of the existing technology, a kind of control valve and cam are provided
Phase converter oil piping system simplifies cam phase converter oil piping system structure, reduces cam phase converter oil piping system implementation cost.
The technical problem to be solved in the present invention is realized using following technical scheme: a kind of control valve, including valve casing and work
It fills in, input interface, the first working interface and the second working interface, the piston is set on the valve casing and are movably arranged on valve
Axial sliding fit structure is formed in the hollow cavity of shell and between piston and valve casing, be arranged on the valve casing drainage channel,
And housing inlet port end forms drainage lumens, one end of the drainage channel is connected to valve casing periphery, the other end and drainage lumens connect
It is logical.
Preferably, the drainage channel is obliquely installed relative to the central axis of valve casing.
Preferably, the drainage channel be borehole structure, be perhaps shoulder hole structure be perhaps square groove structure or
For circular hole, stepped hole, square groove composite structure.
Preferably, check valve is installed, the drainage channel is connected by check valve and housing inlet port end face in the drainage lumens
It is logical.
Preferably, filter device is arranged in the inlet portion of the drainage lumens.
Preferably, reset spring is set between the end of the piston and the internal chamber wall of valve casing.
A kind of cam phase converter oil piping system, including rotor, camshaft and control valve as described above, the cam
Oil inlet is opened up on axis, and medium guiding channel is opened up on the rotor, forms water conservancy diversion oil duct on the piston；Piston relative to
In valve casing sliding process, the oil inlet, drainage channel, medium guiding channel, input interface, water conservancy diversion oil duct are sequentially communicated and shape
At oil inlet runner, the water conservancy diversion oil duct is connected to the first working interface or is connected to the second working interface.
Preferably, the medium guiding channel is borehole structure, is perhaps shoulder hole structure or is square groove structure,
It or is circular hole, stepped hole, square groove composite structure.
Preferably, one end of the valve casing forms threaded joints, and forms screw thread activity between valve casing and camshaft and connect
It connects.
Compared with prior art, the beneficial effects of the present invention are: cooperating by control valve and rotor, camshaft, and making to live
Plug relative to valve casing during sliding axially, by oil inlet, drainage channel, medium guiding channel, input interface, water conservancy diversion oil duct
It is sequentially communicated and forms oil inlet runner, water conservancy diversion oil duct therein is connected to the first working interface or connects with the second working interface
It is logical, to make cam phase converter oil piping system that 2 kinds of operating modes may be implemented and converted between 2 kinds of operating modes.Cause
This, compared with traditional cam phase converter oil piping system, the present invention can cancel the guiding of the pressure oil in traditional structural design
Part simplifies the overall structure of cam phase converter oil piping system, and implementation cost is lower, is also beneficial to reduce cam phase converter
The repair and replacement cost and quality risk of oil piping system.
Detailed description of the invention
Fig. 1 is a kind of cross-sectional view (operating mode 1) of cam phase converter oil piping system of the present invention.
Fig. 2 is a kind of cross-sectional view (operating mode 2) of cam phase converter oil piping system of the present invention.
Fig. 3 is the operation principle schematic diagram of Fig. 1 or cam phase converter oil piping system shown in Fig. 2.
Component token name claims in figure: 1- shell, 2- rotor, 3- valve casing, 4- piston, 5- filter device, 6- camshaft, and 7- is mono-
To valve, 8- reset spring, 9- front shroud, 10- back shroud, 11- lags chamber, and 12- shifts to an earlier date chamber, 21- medium guiding channel, and 22- turns
Blades, the first working interface of 31-, 32- input interface, the second working interface of 33-, 34- drainage channel, 35- drainage lumens, 41-
Water conservancy diversion oil duct, 61- oil inlet.
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.
Control valve as shown in FIG. 1 to FIG. 3 mainly includes valve casing 3, piston 4, filter device 5 and check valve 7, the valve
Input interface 32, the first working interface 31 and the second working interface 33 are set on shell 3；Meanwhile it is logical that drainage is also set up on valve casing 3
The arrival end in road 34, the valve casing 3 forms drainage lumens 35.Wherein, the drainage channel 34 can be designed as borehole structure, or
Person is designed as shoulder hole structure, is perhaps designed as square groove structure or is designed as circular hole, stepped hole, square groove composite structure.It is described
Drainage lumens 35 mutually separated with the hollow cavity of valve casing 3, drainage lumens 35 inlet portion be arranged filter device 5, in drainage lumens 35
Middle installation check valve 7, the drainage channel 34 are connected to by check valve 7 with 3 entrance face of valve casing, filter device 5 therein
It can guarantee the cleanliness into the lubricating oil of check valve 7.The piston 4 is movably arranged in the hollow cavity of valve casing 3, in work
Reset spring 8 is set between the end of plug 4 and the internal chamber wall of valve casing 3.It is formed and is slid axially between the piston 4 and valve casing 3
Fit structure, and complete to reset under the resilient force of reset spring 8, to realize connection or close input interface 32 and first
Fluid channel between working interface 31 or between input interface 32 and the second working interface 33, the one of the drainage channel 34
End is connected to 3 periphery of valve casing, the other end is connected to drainage lumens 35.
It is matched, can be formed as shown in Figure 1, Figure 2, Figure 3 shows with shell 1, rotor 2, camshaft 6 using above-mentioned control valve
Cam phase converter oil piping system.The opposite end of the shell 1 is fixedly connected with front shroud 9, back shroud 10 respectively, described
Rotor 2 is mounted in the hollow cavity being collectively formed by shell 1, front shroud 9, back shroud 10, for being connected to camshaft 6
On, medium guiding channel 21 is opened up on rotor 2.Being flexibly connected for relative rotation is formed between the rotor 2 and shell 1,
And the hollow cavity of shell 1 is separated by lag chamber 11 and in advance chamber 12 by the rotor blade 22 on rotor 2, as shown in Figure 3.
The valve casing 3 is connected and fixed with camshaft 6, and oil inlet 61 is opened up on camshaft 6.In general, the valve casing 3
One end forms threaded joints, and forms screw thread between valve casing 3 and camshaft 6 and be flexibly connected.Water conservancy diversion is formed on the piston 4
Oil duct 41, also, in piston 4 relative in 3 sliding process of valve casing, the oil inlet 61, drainage channel 34, medium guidance are logical
Road 21, input interface 32, water conservancy diversion oil duct 41 are sequentially communicated and form oil inlet runner, and the water conservancy diversion oil duct 41 can be with the first work
Make the connection of interface 31, can also be connected to the second working interface 33,2 kinds of operating modes are consequently formed.Specifically,
When cam phase converter oil piping system is in operating mode 1, fluid media (medium) by the oil inlet 61 on camshaft 6 into
Enter, followed by drainage channel 34 is entered after filter device 5, check valve 7, then will stream through the medium guiding channel 21 on rotor 2
Body medium is introduced to input interface 32, then, is input to chamber 12 in advance by water conservancy diversion oil duct 41, the first working interface 31, meanwhile,
The fluid media (medium) lagged in chamber 11 is discharged by the second working interface 33, as shown in Figure 1, Figure 3.
When cam phase converter oil piping system is in operating mode 2, fluid media (medium) by the oil inlet 61 on camshaft 6 into
Enter, followed by drainage channel 34 is entered after filter device 5, check valve 7, then will stream through the medium guiding channel 21 on rotor 2
Body medium is introduced to input interface 32, then, is input to lag chamber 11 by water conservancy diversion oil duct 41, the second working interface 33, meanwhile,
The fluid media (medium) in chamber 12 is discharged by the first working interface 31 in advance, as shown in Figure 2 and Figure 3.
The present invention allows cam phase converter oil piping system above-mentioned by the sliding axially relative to valve casing 3 of piston 4
It is converted between operating mode 1 and operating mode 2, so that the first working interface 31 on valve casing 3 be made to supply chamber 12 in advance
Fluid media (medium) and lag chamber 11 then to the second working interface 33 export fluid media (medium), alternatively, make on valve casing 3 second work connect
Mouthful 33 pairs of 11 supply fluid media of lag chamber and chamber 12 is changed then to the first working interface 31 output fluid media (medium) with reaching in advance
Become the purpose of the relative angle between shell 1 and rotor 2.Thus, it is possible to cancel the pressure oil guide part in traditional structural design,
That pressure oil guide part is realized by relatively simple structure draws oily function, to make the totality of cam phase converter oil piping system
Structure is more simplified, and implementation cost is lower, in addition, by by filter device 5, check valve 7 and reset spring 8, piston 4
It is arranged apart, to make the maintenance of filter device 5 and check valve 7 replacement the case where not needing dismantling reset spring 8 and piston 4
Under be also able to achieve, it is convenient and efficient, significantly reduce the repair and replacement cost and quality risk of cam phase converter oil piping system.
In order to further increase the oily ability of drawing of cam phase converter oil piping system, the drainage channel 34 is preferably opposite
It is obliquely installed in the central axis of valve casing 3, as shown in Figs. 1-3；Medium guiding channel 21 therein can also be designed as circular hole
Structure is perhaps designed as shoulder hole structure and is perhaps designed as square groove structure or is designed as circular hole, stepped hole, square groove combination knot
Structure.
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 (9)
1. a kind of control valve, including valve casing (3) and piston (4), input interface (32), the first work are set on the valve casing (3)
Make interface (31) and the second working interface (33), the piston (4) is movably arranged in the hollow cavity of valve casing (3) and lives
It fills in and forms axial sliding fit structure between (4) and valve casing (3), it is characterised in that: drainage channel is set on the valve casing (3)
(34) and valve casing (3) arrival end forms drainage lumens (35), and one end of the drainage channel (34) and valve casing (3) periphery connect
The logical, other end is connected to drainage lumens (35).
2. a kind of control valve according to claim 1, it is characterised in that: the drainage channel (34) is relative to valve casing
(3) central axis is obliquely installed.
3. a kind of control valve according to claim 1, it is characterised in that: the drainage channel (34) is borehole structure,
It perhaps is that shoulder hole structure is perhaps square groove structure or is circular hole, stepped hole, square groove composite structure.
4. a kind of control valve according to claim 1-3, it is characterised in that: installation is single in the drainage lumens (35)
To valve (7), the drainage channel (34) is connected to by check valve (7) with valve casing (3) entrance face.
5. a kind of control valve according to claim 1-3, it is characterised in that: the inlet portion of the drainage lumens (35)
It is arranged filter device (5).
6. a kind of control valve according to claim 1-3, it is characterised in that: the end of the piston (4) and valve
Reset spring (8) are set between the internal chamber wall of shell (3).
7. a kind of cam phase converter oil piping system, including rotor (2), camshaft (6) and as described in claim any one of 1-6
Control valve, open up oil inlet (61) on the camshaft (6), it is characterised in that: medium guidance is opened up on the rotor (2)
Channel (21) forms water conservancy diversion oil duct (41) on the piston (4)；It is described in piston (4) relative in valve casing (3) sliding process
Oil inlet (61), drainage channel (34), medium guiding channel (21), input interface (32), water conservancy diversion oil duct (41) be sequentially communicated and
Oil inlet runner is formed, the water conservancy diversion oil duct (41) is connected to the first working interface (31) or connects with the second working interface (33)
It is logical.
8. a kind of cam phase converter oil piping system according to claim 7, it is characterised in that: the medium guiding channel
(21) it is borehole structure, is perhaps that shoulder hole structure is perhaps square groove structure or is circular hole, stepped hole, square groove combination knot
Structure.
9. a kind of cam phase converter oil piping system according to claim 7, it is characterised in that: one end of the valve casing (3)
Threaded joints are formed, and forms screw thread between valve casing (3) and camshaft (6) and is flexibly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910739854.4A CN110318837A (en) | 2019-08-12 | 2019-08-12 | A kind of control valve and cam phase converter oil piping system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910739854.4A CN110318837A (en) | 2019-08-12 | 2019-08-12 | A kind of control valve and cam phase converter oil piping system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110318837A true CN110318837A (en) | 2019-10-11 |
Family
ID=68125951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910739854.4A Pending CN110318837A (en) | 2019-08-12 | 2019-08-12 | A kind of control valve and cam phase converter oil piping system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110318837A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120055427A1 (en) * | 2008-12-10 | 2012-03-08 | Schaeffler Technologies Gmbh & Co. Kg | Control valve for a device for variably adjusting the control times of gas-exchange valves of an internal combustion engine |
| CN104343481A (en) * | 2013-07-30 | 2015-02-11 | 爱信精机株式会社 | Variable valve timing control device |
| CN104712388A (en) * | 2013-12-17 | 2015-06-17 | 株式会社电装 | Oil pressure control valve and valve timing controller |
| US20150275707A1 (en) * | 2014-04-01 | 2015-10-01 | Delphi Technologies, Inc. | Camshaft phaser |
| CN106062324A (en) * | 2014-02-27 | 2016-10-26 | 爱信精机株式会社 | Valve opening-closing timing control device |
| CN106837458A (en) * | 2017-03-27 | 2017-06-13 | 江苏海龙电器有限公司 | Camshaft adjuster |
| CN210460781U (en) * | 2019-08-12 | 2020-05-05 | 绵阳富临精工机械股份有限公司 | Control valve and cam phase modulator oil circuit system |
-
2019
- 2019-08-12 CN CN201910739854.4A patent/CN110318837A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120055427A1 (en) * | 2008-12-10 | 2012-03-08 | Schaeffler Technologies Gmbh & Co. Kg | Control valve for a device for variably adjusting the control times of gas-exchange valves of an internal combustion engine |
| CN104343481A (en) * | 2013-07-30 | 2015-02-11 | 爱信精机株式会社 | Variable valve timing control device |
| CN104712388A (en) * | 2013-12-17 | 2015-06-17 | 株式会社电装 | Oil pressure control valve and valve timing controller |
| CN106062324A (en) * | 2014-02-27 | 2016-10-26 | 爱信精机株式会社 | Valve opening-closing timing control device |
| US20150275707A1 (en) * | 2014-04-01 | 2015-10-01 | Delphi Technologies, Inc. | Camshaft phaser |
| CN106837458A (en) * | 2017-03-27 | 2017-06-13 | 江苏海龙电器有限公司 | Camshaft adjuster |
| CN210460781U (en) * | 2019-08-12 | 2020-05-05 | 绵阳富临精工机械股份有限公司 | Control valve and cam phase modulator oil circuit system |
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