CN213655754U

CN213655754U - OCV valve with novel inner valve sleeve

Info

Publication number: CN213655754U
Application number: CN202022215260.4U
Authority: CN
Inventors: 万进全; 梁峰; 沈健
Original assignee: Zhejiang Aoteng Intelligent Technology Co ltd
Current assignee: Zhejiang Aoteng Intelligent Technology Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-07-09
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses an OCV valve with novel inner valve cover, including the support with install the coil skeleton on the support, the inside installation cavity that is equipped with of coil skeleton, the one end of coil skeleton is equipped with the inlet, the other end is equipped with back yoke dish, install back yoke in the installation cavity in proper order, armature, inner valve cover, be equipped with movable chamber and inlet passage between installation cavity and the inlet in proper order, the steel ball is installed to the movable chamber, inner valve cover fixed mounting is in the installation cavity and near movable chamber, be equipped with the jack in the inner valve cover, the jack interpolation has the ejector pin, ejector pin fixed connection armature, install the spring between armature and the back yoke, install coil pack on the coil skeleton, be equipped with the liquid outlet on the coil skeleton. The utility model discloses an OCV valve with novel interior valve barrel, interior valve barrel installation is simple, and the sealing of interior valve barrel and fixed effectual. The coil framework and the inner valve sleeve can be made of plastics, so that the ejector rod and the steel ball in the valve body can be positioned, redundant parts are omitted, and the production cost is reduced.

Description

OCV valve with novel inner valve sleeve

Technical Field

The utility model belongs to the technical field of the OCV valve, concretely relates to OCV valve with novel interior valve barrel.

Background

The OCV valve is an oil control valve on a variable valve timing engine that controls the intake valve timing of the engine. The existing OCV valve has the disadvantages of complex structure, high production and processing cost, high material cost and easy occurrence of oil leakage.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses a technical scheme is: an OCV valve with a novel inner valve sleeve comprises a support and a coil framework arranged on the support, wherein an installation cavity is arranged in the coil framework, one end of the coil framework is provided with a liquid inlet communicated with the installation cavity, the other end of the coil framework is provided with a back yoke disc, a back yoke, an armature and an inner valve sleeve are sequentially arranged in the installation cavity, a movable cavity and a liquid inlet channel are sequentially arranged between the installation cavity and the liquid inlet, the movable cavity is communicated with the installation cavity, a steel ball is arranged in the movable cavity, the steel ball moves back and forth in the movable cavity along the axial direction of the movable cavity, the back yoke is fixedly connected with the coil framework, the armature moves back and forth between the back yoke and the inner valve sleeve along the axial direction of the installation cavity, the inner valve sleeve is fixedly arranged in the installation cavity and close to the movable cavity, inserting holes communicated with the two ends of the inner valve sleeve are arranged in the inner valve sleeve, the steel ball blocks the inserting holes, the jack is movably inserted with a mandril which is fixedly connected with an armature, a spring is arranged between the armature and the back yoke, a coil component is arranged at one end of the coil framework close to the back yoke, and a liquid outlet communicated with the movable cavity is arranged on the coil framework.

Preferably, the inner valve sleeve is provided with a plurality of clamping pins at one end close to the armature, one end of each clamping pin is fixedly connected with the inner valve sleeve, the other end of each clamping pin gradually inclines towards the outer side and then bends outwards to form a clamping part, the outer side of the clamping part is connected with the outer side of each clamping pin through a guide inclined plane, and a clamping groove for clamping the clamping part is formed in the installation cavity.

Preferably, an ejector rod limiting rib is arranged between the adjacent clamping pins, one end of the ejector rod limiting rib is fixedly connected with the inner valve sleeve, the other end of the ejector rod limiting rib is perpendicularly bent outwards to form an ejector block, and a curved surface matched with the ejector rod is arranged on the inner side of the ejector rod limiting rib.

Preferably, the number of the ejector rod limiting ribs and the number of the clamping feet are two.

Preferably, the outer side of the inner valve sleeve is provided with a plurality of rings of convex rings, and the convex rings are in interference fit with the inner wall of the mounting cavity.

Preferably, the end of the insertion hole close to the steel ball is provided with a conical opening, the end of the liquid inlet channel close to the steel ball is provided with a conical opening, and the conical openings are respectively matched with the steel ball.

As the optimization of the technical scheme, a filter screen is arranged in the liquid inlet.

Preferably, the back yoke and the armature are respectively provided with a spring mounting groove, one end of the spring is fixedly mounted in the spring mounting groove of the back yoke, and the other end of the spring extends into the spring mounting groove of the armature.

Preferably, a conical boss is arranged at one end, close to the armature, of the back yoke iron, a conical groove matched with the conical boss is arranged at one end, close to the back yoke iron, of the armature iron, a spring installation groove in the yoke iron is located in the conical boss, and a spring installation groove in the armature iron is located in the conical groove.

Preferably, the coil frame and the inner valve sleeve are made of plastic respectively.

The utility model has the advantages that: the utility model discloses an OCV valve with novel interior valve barrel, interior valve barrel installation is simple, and the sealing of interior valve barrel and fixed effectual. The coil framework and the inner valve sleeve can be made of plastics, so that the ejector rod and the steel ball in the valve body can be positioned, redundant parts are omitted, and the production cost is reduced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a structural schematic view of the inner valve sleeve;

fig. 3 is a schematic view of another angle of the inner valve sleeve.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, an OCV valve with a novel inner valve housing comprises a support 1 and a coil frame 2 installed on the support 1, wherein an installation cavity 3 is arranged inside the coil frame 2, a liquid inlet 4 communicated with the installation cavity 3 is arranged at one end of the coil frame 2, a back yoke disc 5 is arranged at the other end of the coil frame 2, a back yoke 6, an armature 7 and an inner valve housing 8 are sequentially installed in the installation cavity 3, a movable cavity 9 and a liquid inlet channel 10 are sequentially arranged between the installation cavity 3 and the liquid inlet 4, the movable cavity 9 is communicated with the installation cavity 3, a steel ball 11 is installed in the movable cavity 9, the steel ball 11 moves back and forth in the movable cavity 9 along the axial direction of the movable cavity 9, the back yoke 6 is fixedly connected with the coil frame 2, the armature 7 moves back and forth between the back yoke 6 and the inner valve housing 8 along the axial direction of the installation cavity 3, the inner valve housing 8 is fixedly installed in the installation cavity, be equipped with the jack 12 at 8 both ends of valve barrel in the intercommunication in the interior valve barrel 8, the jack 12 is plugged up when steel ball 11 moves to the one end that is close to interior valve barrel 8 in the activity chamber 9, the inlet channel 10 is plugged up when steel ball 11 moves to the one end that is close to inlet channel 10 in the activity chamber 9, mobilizable the inserting has ejector pin 13 in the jack 12, ejector pin 13 fixed connection armature 7, install spring 16 between armature 7 and the back yoke 6, coil pack 14 is installed to the one end that is close to back yoke 6 on the coil skeleton 2, be equipped with the liquid outlet 15 of intercommunication activity chamber 9 on the coil skeleton 2. When the coil assembly 14 is not switched on, the ejector rod 13 is in a release state, and due to the pre-pressure action of the spring 16, the ejector rod 13 pushes the steel ball 11 to block the liquid inlet channel 10, so that the oil liquid in the liquid inlet 4 cannot enter. When the coil assembly 14 is conducted to drive the power supply, the solenoid is excited, the back yoke 6 generates magnetic force to attract the armature 7, the armature 7 overcomes the elastic force of the spring 16, and the ejector rod moves towards the back yoke 6. Due to the action of oil pressure in the liquid inlet channel 10, the oil pushes the steel ball 11, the steel ball 11 blocks the jack 12, and the oil flows out from the liquid outlet 15.

Furthermore, one end of the inner valve sleeve 8, which is close to the armature 7, is provided with a plurality of clamping feet 17, one end of each clamping foot 17 is fixedly connected with the inner valve sleeve 8, the other end of each clamping foot 17 is gradually inclined towards the outer side and then bent outwards to form a clamping part 18, the outer side of each clamping part 18 is connected with the outer side of each clamping foot 17 through a guide inclined plane 19, and a clamping groove for clamping the clamping part 18 is formed in the installation cavity 3. The clamping feet 17 enable the inner valve sleeve 8 to be conveniently fixed in the installation cavity 3 after being pressed and mounted, and play a supporting role in the operation process to prevent the inner valve sleeve 8 from moving in the installation cavity 3.

Further, an ejector rod limiting rib 20 is arranged between the adjacent clamping feet 17, one end of the ejector rod limiting rib 20 is fixedly connected with the inner valve sleeve 8, the other end of the ejector rod limiting rib 20 is perpendicularly bent outwards to form an ejector block 21, and a curved surface 22 matched with the ejector rod 13 is arranged on the inner side of the ejector rod limiting rib 20. The ejector block 21 is contacted with the inner wall of the mounting cavity 3, the ejector rod 13 moves in the space enclosed by the curved surface 22, and the effect of limiting the movement direction of the ejector rod 13 is achieved, so that the ejector rod 13 can act on the steel ball 11.

Furthermore, the number of the ejector rod limiting ribs 20 and the number of the clamping feet 17 are two.

Furthermore, the outer side of the inner valve sleeve 8 is provided with a plurality of rings of convex rings 23, and the convex rings 23 are in interference fit with the inner wall of the installation cavity 3. The convex ring 23 enables the inner valve sleeve 8 to be closely connected with the inner wall of the installation cavity 3, and prevents oil from entering the installation cavity 3. The sealing effect can be ensured by a plurality of convex rings 23.

Furthermore, a conical opening 24 is arranged at one end of the insertion hole 12 close to the steel ball 11, a conical opening 24 is arranged at one end of the liquid inlet channel 10 close to the steel ball 11, and the conical openings 24 are respectively matched with the steel ball 11. The conical opening 24 facilitates the ball 11 to block the insertion hole 12 or the liquid inlet passage 10.

Further, a filter screen 25 is installed in the liquid inlet 4.

Furthermore, spring mounting grooves 26 are respectively formed in the back yoke 6 and the armature 7, one end of the spring 16 is fixedly mounted in the spring mounting groove 26 of the back yoke 6, and the other end of the spring extends into the spring mounting groove 26 of the armature 7.

Furthermore, a conical boss 27 is arranged at one end of the back yoke 6 close to the armature 7, a conical groove 28 matched with the conical boss 27 is arranged at one end of the armature 7 close to the back yoke 6, a spring installation groove 26 on the back yoke 6 is positioned in the conical boss 27, and a spring installation groove 26 of the armature 7 is positioned in the conical groove 28. The engagement of the tapered projection 27 with the tapered slot 28 facilitates the back and forth movement of the armature 7 and the extension and retraction of the spring 16.

Further, the bobbin 2 and the inner valve sleeve 8 are made of plastic respectively.

It should be noted that the technical features such as the coil assembly 14 related to the present invention should be regarded as the prior art, and the specific structure, the operation principle, the control mode and the spatial arrangement mode of these technical features may be selected conventionally in the field, which should not be regarded as the invention of the present invention, and the detailed description thereof is not further specifically made.

Having described in detail preferred embodiments of the present invention, it is to be understood that modifications and variations can be made by persons skilled in the art without inventive faculty, and therefore all technical solutions which can be obtained by a person skilled in the art based on the concepts of the present invention through logic analysis, reasoning or limited experimentation will fall within the scope of protection defined by the claims.

Claims

1. An OCV valve with a novel inner valve sleeve is characterized by comprising a support and a coil framework arranged on the support, wherein an installation cavity is arranged in the coil framework, one end of the coil framework is provided with a liquid inlet communicated with the installation cavity, the other end of the coil framework is provided with a back yoke disc, a back yoke, an armature and an inner valve sleeve are sequentially arranged in the installation cavity, a movable cavity and a liquid inlet channel are sequentially arranged between the installation cavity and the liquid inlet, the movable cavity is communicated with the installation cavity, a steel ball is arranged in the movable cavity, the steel ball moves back and forth in the movable cavity along the axial direction of the movable cavity, the back yoke is fixedly connected with the coil framework, the armature moves back and forth between the back yoke and the inner valve sleeve along the axial direction of the installation cavity, the inner valve sleeve is fixedly arranged in the installation cavity and close to the movable cavity, jacks communicated with the two ends of the inner valve sleeve are arranged, the liquid inlet channel is plugged when the steel ball moves to one end, close to the liquid inlet channel, of the movable cavity, the ejector rod is movably inserted in the insertion hole, the ejector rod is fixedly connected with the armature, a spring is installed between the armature and the back yoke, a coil assembly is installed at one end, close to the back yoke, of the coil framework, and a liquid outlet communicated with the movable cavity is formed in the coil framework.

2. The OCV valve with the novel inner valve housing as claimed in claim 1, wherein a plurality of locking legs are provided at one end of the inner valve housing close to the armature, one end of each locking leg is fixedly connected with the inner valve housing, the other end of each locking leg is gradually inclined towards the outside and then bent outwards to form a locking portion, the outer side of the locking portion is connected with the outer side of each locking leg through a guide inclined plane, and a clamping groove for the locking portion to be clamped is provided in the installation cavity.

3. The OCV valve with the novel inner valve housing as claimed in claim 2, wherein a plunger limiting rib is disposed between adjacent two of the locking legs, one end of the plunger limiting rib is fixedly connected to the inner valve housing, the other end of the plunger limiting rib is bent perpendicularly outward to form a top block, and the inner side of the plunger limiting rib has a curved surface matched with the plunger.

4. The OCV valve having a novel inner valve housing according to claim 3, wherein the number of the plunger stopper rib and the catching leg is two.

5. The OCV valve with the novel inner valve housing according to any one of claims 2 to 4, wherein a plurality of rings of convex rings are provided on the outer side of the inner valve housing, and a plurality of rings of annular grooves are provided on the mounting cavity, the convex rings correspond to the annular grooves one by one and are respectively snapped into the corresponding annular grooves.

6. The OCV valve with the novel inner valve housing as claimed in claim 1, wherein a tapered opening is formed at one end of the insertion hole close to the steel ball, and a tapered opening is formed at one end of the liquid inlet passage close to the steel ball, and the tapered openings are respectively engaged with the steel ball.

7. The OCV valve with the novel inner valve housing as set forth in claim 1, wherein a strainer is installed in the liquid inlet.

8. The OCV valve having the novel inner valve housing as set forth in claim 1, wherein spring mounting grooves are formed at the back yoke and the armature, respectively, and one end of the spring is fixedly mounted in the spring mounting groove of the back yoke and the other end thereof extends into the spring mounting groove of the armature.

9. The OCV valve having the novel inner valve housing as claimed in claim 8, wherein a tapered boss is formed at an end of the back yoke adjacent to the armature, a tapered groove is formed at an end of the armature adjacent to the back yoke to be fitted with the tapered boss, the spring installation groove formed in the yoke is formed in the tapered boss, and the spring installation groove formed in the armature is formed in the tapered groove.

10. The OCV valve having the novel inner valve housing as set forth in claim 9, wherein the bobbin and the inner valve housing are respectively made of plastic.