CN104791042A - Engine oil control valve, air cylinder cover and air cylinder cover assembly - Google Patents
Engine oil control valve, air cylinder cover and air cylinder cover assembly Download PDFInfo
- Publication number
- CN104791042A CN104791042A CN201410023046.5A CN201410023046A CN104791042A CN 104791042 A CN104791042 A CN 104791042A CN 201410023046 A CN201410023046 A CN 201410023046A CN 104791042 A CN104791042 A CN 104791042A
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- control valve
- oil control
- valve body
- electromagnetic coil
- ocv oil
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Abstract
The invention discloses an engine oil control valve, an air cylinder cover and an air cylinder cover assembly. The engine oil control valve comprises an electromagnetic coil and a hydraulic valve connected with the electromagnetic coil. The hydraulic valve comprises a piston and a valve body, and the valve body comprises a head portion and a body portion connected with the head portion; and the head portion is fixedly arranged in the electromagnetic coil, and the outer surface, close to the electromagnetic coil, of the body portion of the valve body is provided with outer fine threads. The air cylinder cover is provided with an engine oil control valve mounting seat, and the engine oil control valve mounting seat is provided with an opening portion; and inner fine threads are arranged on the inner wall of the top of the opening portion, and the inner fine threads and the outer fine threads can be matched in a spiral twisting manner. Compared with the prior art, a linkage piece is removed, and the phenomenon that due to the improper mounting technology of the body portion of the valve body and the engine oil control valve mounting seat, the body portion of the valve body bends and deforms is avoided. In addition, the threads are matched to enable the hydraulic valve and the engine oil control valve mounting seat to be firmly connected and not to be prone to loosening, it is ensured that the working state of the air cylinder cover assembly is stable, and the service life is prolonged. The better and more stable sealing effect can be achieved, and oil leakage is prevented.
Description
Technical field
The present invention relates to a kind of OCV Oil Control Valve, cylinder head and cylinder head assembly.
Background technique
OCV Oil Control Valve (Oil Control Valve, OCV) is one of component important in the Variable Valve Time (Variable Valve Timing, VVT) of automobile.
In prior art, OCV Oil Control Valve is arranged on the OCV Oil Control Valve fitting seat of cylinder head, and connect and compose cylinder head assembly with cylinder head, collaborate completes specific function.With reference to Fig. 1, OCV Oil Control Valve 1 has: electromagnetic coil (Solenoid) 2 and hydrovalve 3.Hydrovalve 3 comprises piston 4 and valve body 5, the main part 52 that valve body 5 comprises head 51 and is connected with head 51, and it is inner that piston 4 is positioned at main part 52.Valve head 51 stretches in electromagnetic coil 2, fixes bottom valve body 5 and the housing 6 of electromagnetic coil 2.Electromagnetic coil 2 receives the signal of ECU, carries out Duty ratio control.
Cylinder head has OCV Oil Control Valve fitting seat 7, opening portion (in figure non-label) is formed on the top of OCV Oil Control Valve fitting seat 7, the main part 52 of valve body 5 is arranged in opening portion, and electromagnetic coil 2 is exposed to outside OCV Oil Control Valve fitting seat 7, and piston 4 moves up and down in main part 52.
When normal mounting, between bottom the housing 6 of OCV Oil Control Valve fitting seat 7 upper surface and electromagnetic coil 2, a plate 8 is set, plate 8 ring set exposes the valve body portion part of opening portion, use bolt 9 to be fixedly connected sheet 8 and OCV Oil Control Valve fitting seat 7, realize hydrovalve 3 and OCV Oil Control Valve fitting seat 7 is fixed.Stretch between the valve body portion 52 of opening portion and opening portion inwall and be provided with O-ring seals 10, guarantee that steam turbine oil control valve fitting seat 7 and hydrovalve 3 seal.
But, easily there is following situation when mounted: with reference to Fig. 2, when OCV Oil Control Valve 1 and OCV Oil Control Valve fitting seat 7 are installed, when valve body portion does not also stretch to the applicable degree of depth in opening portion, just screw bolt 9 to be fixedly connected sheet 8 and OCV Oil Control Valve fitting seat 7, valve body can be caused to occur bending and deformation, and then make seizure of piston in valve body, the afunction of such OCV Oil Control Valve.In addition, at hydraulic pressure with under the constant impingement colded and heat succeed each other, easily cause plate 8 to be out of shape, loosen between hydrovalve and OCV Oil Control Valve fitting seat 7.This can cause damage to OCV Oil Control Valve, causes the unstable working condition of cylinder head assembly, and reduces its working life.Moreover, the sealing effect between OCV Oil Control Valve fitting seat 7 and hydrovalve also can be caused not good, cause leakage of oil.
Summary of the invention
The problem that the present invention solves is that existing OCV Oil Control Valve mounting type easily causes its afunction, and easily loosens between OCV Oil Control Valve and OCV Oil Control Valve fitting seat, causes the unstable working condition of cylinder head assembly, and sealing effect is not good, reduces working life.
For solving the problem, the invention provides a kind of OCV Oil Control Valve, the hydrovalve that described OCV Oil Control Valve comprises electromagnetic coil and is connected with described electromagnetic coil, described hydrovalve comprises piston and valve body, the main part that described valve body comprises head and is connected with described head, described head is fixed in electromagnetic coil, and the valve body portion outer surface near described electromagnetic coil has outer fine thread.
Alternatively, between described outer fine thread and electromagnetic coil, be provided with the bolt head be connected with described valve body, described bolt head and valve body coaxial.
Alternatively, described bolt head and described valve body are structure as a whole.
The present invention also provides a kind of cylinder head, cylinder head has OCV Oil Control Valve fitting seat, described OCV Oil Control Valve fitting seat has opening portion, and the top inner wall of opening portion is provided with interior fine thread, and described interior fine thread and above-mentioned arbitrary described outer fine thread can screw cooperation.
The present invention also provides a kind of cylinder head assembly, this cylinder head assembly comprises: aforementioned arbitrary described OCV Oil Control Valve and described OCV Oil Control Valve fitting seat, described valve body portion is arranged in opening portion, and described outer fine thread and described interior fine thread screw.
Compared with prior art, technological scheme of the present invention has the following advantages:
Outer fine thread and interior fine thread screw, and make being connected firmly of hydrovalve and OCV Oil Control Valve fitting seat, not easily loosen, and ensure cylinder head assembly stable working state, and working life extends.And, can to realize better, more stable sealing effect, to prevent leakage of oil.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the cylinder head assembly of prior art;
The plan view of cylinder head assembly when Fig. 2 is OCV Oil Control Valve and the cylinder head mis-installation condition of prior art;
Fig. 3 is the OCV Oil Control Valve valve of the specific embodiment of the invention and the plan view of OCV Oil Control Valve fitting seat separated state;
Fig. 4 is the cross-sectional view of the cylinder head assembly of the specific embodiment of the invention;
Fig. 5 is the partial enlarged drawing of the a-quadrant of corresponding diagram 4.
Embodiment
With reference to Fig. 3, Fig. 4, OCV Oil Control Valve 11, for the Variable Valve Time of automobile, comprises electromagnetic coil 12 and hydrovalve 13, and hydrovalve 13 comprises piston 14 and valve body 15.The main part 152 that valve body 15 comprises head 151 and is connected with head 151, valve head 151 is fixed in electromagnetic coil 12, fixes bottom valve body 15 and the housing 16 of electromagnetic coil 12 through punching press.It is inner that piston 14 is positioned at main part 152, and after electromagnetic coil 12 is energized, armature 18 moves in electromagnetic coil 12, drives the push rod 17 of interference fit installation with it to promote piston 14 and move in main part 152.
At valve body 15 main part 152 outer surface near electromagnetic coil 12, there is outer fine thread 19.
In conjunction with the partial enlarged drawing being the region A described in Fig. 4 with reference to Fig. 5, Fig. 5, cylinder head 20 has OCV Oil Control Valve fitting seat 21, and OCV Oil Control Valve fitting seat 21 has opening portion 22, and the top inner wall of opening portion 22 is provided with interior fine thread 23.This interior fine thread 23 and outer fine thread 19 can realize screwing cooperation.
When OCV Oil Control Valve 11 and cylinder head 20 assemble formation cylinder head assembly, the main part 152 of valve body 15 is arranged in the opening portion 22 of OCV Oil Control Valve fitting seat 21, outer fine thread 19 and interior fine thread 23 screw mutually, realize valve body 15 and OCV Oil Control Valve fitting seat 21 is threaded.Wherein, electromagnetic coil 12 to be positioned on OCV Oil Control Valve fitting seat 21 and to be exposed to outside OCV Oil Control Valve fitting seat 21.
Compared with prior art, the technical program gives up plate, the outer fine thread in valve body portion and the interior fine thread of OCV Oil Control Valve fitting seat closely screw, and can realize valve body portion and be arranged in opening portion and be applicable to the degree of depth, there will not be setup error and the situation of not knowing.And be threaded and make being connected firmly of hydrovalve and OCV Oil Control Valve fitting seat, not easily loosen, ensure cylinder head assembly stable working state, working life extends.
Moreover, in existing cylinder head assembly, between opening portion and valve body portion, realize sealing by O-ring seals, very easily aging under the cold alternation condition of the heat of O-ring seals in cylinder head, and be easily worn, sealing effect is not good.In the technical program, screwing closely between interior fine thread and outer fine thread, opening portion and valve body portion there will not be gap substantially in threaded connection place, compare existing O-ring seals, can realize better, more stable sealing effect, prevent leakage of oil.
In addition, be provided with the bolt head 24 be connected with valve body 15 outside between fine thread 19 and electromagnetic coil 12, coaxially, this bolt head 24 can be hex head bolt head for this bolt head 24 and valve body 15.On the one hand, use spanner clamping screw head 24 and screw, interior fine thread 23 and outer fine thread 19 are screwed, being convenient to install.On the other hand, after interior fine thread 23 and outer fine thread 19 screw, bolt head 24 is fitted with electromagnetic coil 12 housing 16 lower surface and OCV Oil Control Valve fitting seat 21 upper surface respectively, plays the effect to opening portion sealing.
In the present embodiment, bolt head 24 and valve body 15 are structure as a whole.In other embodiments, also can be other and be fixedly connected with mode.
Although the present invention discloses as above, the present invention is not defined in this.Any those skilled in the art, without departing from the spirit and scope of the present invention, all can make various changes or modifications, and therefore protection scope of the present invention should be as the criterion with claim limited range.
Claims (5)
1. an OCV Oil Control Valve, for the Variable Valve Time of automobile, the hydrovalve that described OCV Oil Control Valve comprises electromagnetic coil and is connected with described electromagnetic coil, described hydrovalve comprises piston and valve body, the main part that described valve body comprises head and is connected with described head, described head is fixed in electromagnetic coil
It is characterized in that, the valve body portion outer surface near described electromagnetic coil has outer fine thread.
2. OCV Oil Control Valve as claimed in claim 1, is characterized in that, be provided with the bolt head be connected with described valve body between described outer fine thread and electromagnetic coil, described bolt head and valve body coaxial.
3. OCV Oil Control Valve as claimed in claim 2, it is characterized in that, described bolt head and described valve body are structure as a whole.
4. a cylinder head, has OCV Oil Control Valve fitting seat, and described OCV Oil Control Valve fitting seat has opening portion,
It is characterized in that, the top inner wall of opening portion is provided with interior fine thread, described interior fine thread and the outer fine thread described in any one of claims 1 to 3 can screw cooperation.
5. a cylinder head assembly, it is characterized in that, comprise: the OCV Oil Control Valve described in any one of claims 1 to 3 and OCV Oil Control Valve fitting seat according to claim 4, described valve body portion is arranged in opening portion, and described outer fine thread and described interior fine thread screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410023046.5A CN104791042A (en) | 2014-01-17 | 2014-01-17 | Engine oil control valve, air cylinder cover and air cylinder cover assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410023046.5A CN104791042A (en) | 2014-01-17 | 2014-01-17 | Engine oil control valve, air cylinder cover and air cylinder cover assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104791042A true CN104791042A (en) | 2015-07-22 |
Family
ID=53556165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410023046.5A Pending CN104791042A (en) | 2014-01-17 | 2014-01-17 | Engine oil control valve, air cylinder cover and air cylinder cover assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104791042A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1703569A (en) * | 2002-10-22 | 2005-11-30 | 汉斯延森润滑油有限公司 | Valve for mounting in a cylinder wall |
| US20060011158A1 (en) * | 2004-07-14 | 2006-01-19 | Toyota Jidosha Kabushiki Kaisha | Valve case and resin cylinder head cover |
| US20080315140A1 (en) * | 2007-06-21 | 2008-12-25 | Denso Corporation | Electric spool valve |
| DE102007042046A1 (en) * | 2007-09-05 | 2009-03-12 | Hydraulik-Ring Gmbh | Drive motor, has camshaft adjuster with electromagnetic hydraulic valve, and housing with form fit engaging region and thread for screwing valve with solid casting or forging housing part of motor |
| CN101988400A (en) * | 2009-07-31 | 2011-03-23 | 上海通用汽车有限公司 | Variable valve timing device |
| CN102788158A (en) * | 2011-05-16 | 2012-11-21 | 现代自动车株式会社 | Oil control valve and variable valve lift system provided with the same |
-
2014
- 2014-01-17 CN CN201410023046.5A patent/CN104791042A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1703569A (en) * | 2002-10-22 | 2005-11-30 | 汉斯延森润滑油有限公司 | Valve for mounting in a cylinder wall |
| US20060011158A1 (en) * | 2004-07-14 | 2006-01-19 | Toyota Jidosha Kabushiki Kaisha | Valve case and resin cylinder head cover |
| US20080315140A1 (en) * | 2007-06-21 | 2008-12-25 | Denso Corporation | Electric spool valve |
| DE102007042046A1 (en) * | 2007-09-05 | 2009-03-12 | Hydraulik-Ring Gmbh | Drive motor, has camshaft adjuster with electromagnetic hydraulic valve, and housing with form fit engaging region and thread for screwing valve with solid casting or forging housing part of motor |
| CN101988400A (en) * | 2009-07-31 | 2011-03-23 | 上海通用汽车有限公司 | Variable valve timing device |
| CN102788158A (en) * | 2011-05-16 | 2012-11-21 | 现代自动车株式会社 | Oil control valve and variable valve lift system provided with the same |
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| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150722 |
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| RJ01 | Rejection of invention patent application after publication |