CN218718807U

CN218718807U - Electromagnetic valve

Info

Publication number: CN218718807U
Application number: CN202222570562.2U
Authority: CN
Inventors: 郭建强; 郝天赐; 胡聪琪; 张盛达
Original assignee: Ningbo Tuopu Group Co Ltd
Current assignee: Ningbo Tuopu Group Co Ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-03-24
Anticipated expiration: 2032-09-28

Abstract

The utility model relates to a solenoid valve, which comprises a valve seat, valve gap and valve mount pad, the disk seat is installed in the valve mount pad, the spacing portion of round has been arranged to the disk seat upper end, install first sealing washer between spacing portion and the valve mount pad upper end, disk seat upper portion is located the below of spacing portion and is equipped with connecting portion, connecting portion and valve mount pad inner wall threaded connection, the inside valve pocket that has of disk seat, install the piston in the valve pocket, the vertical valve opening of having seted up in the piston middle part, lie in the piston below in the valve pocket and install piston spring, the gas outlet has been seted up to the disk seat bottom, the opening part embedding that the disk seat lower part is located the gas outlet is installed the second sealing washer, the disk seat lower part is located and has seted up the air inlet between second sealing washer and the connecting portion. The utility model discloses the top of air inlet forms sealedly through spacing portion and first sealing washer, and the below of air inlet forms sealedly with the valve mount pad inner wall through the second sealing washer, guarantees that sealing performance prevents to leak outward, and the part is few, and the cost has the advantage.

Description

Electromagnetic valve

Technical Field

The utility model relates to a solenoid valve technical field especially relates to a solenoid valve.

Background

Various types of solenoid valves are often used in thermal management systems to control and regulate the fluid medium. The solenoid valve includes disk seat, piston, valve gap subassembly and coil pack, and the air inlet has been seted up to the disk seat lower part, and air inlet department all adopts two sealing washers to solve outer hourglass, and two sealing washers are all installed on the disk seat and are located the upper and lower side of air inlet respectively, and seal structure is comparatively single, has certain limitation.

Disclosure of Invention

The utility model aims to solve the technical problem that a solenoid valve is provided, the top of air inlet forms sealedly through spacing portion and first sealing washer, and the below of air inlet forms sealedly through second sealing washer and valve mount pad inner wall, guarantees that sealing performance prevents to leak outward, and the part is few, and the cost has the advantage.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a solenoid valve, includes disk seat, valve gap and valve mount pad, the disk seat install in the valve mount pad, the spacing portion of round has been arranged to this disk seat upper end, spacing portion and valve mount pad upper end between install first sealing washer, disk seat upper portion be located the below of spacing portion and be equipped with connecting portion, this connecting portion and valve mount pad inner wall threaded connection, disk seat inside have a valve pocket, install the piston in this valve pocket, piston middle part in vertically seted up the valve opening, the valve pocket in be located the piston below and install piston spring, disk seat bottom seted up the gas outlet, the opening part embedding that this disk seat lower part is located the gas outlet is installed the second sealing washer, the disk seat lower part be located and seted up the air inlet between first sealing washer and the second sealing washer, valve pocket upper end install the valve gap, fixedly connected with the sleeve pipe on this valve gap, sleeve pipe internally mounted have movable iron core and quiet iron core, install the answer spring between this movable iron core and the quiet iron core, the sleeve pipe overcoat be equipped with coil pack, valve gap and piston cooperation be formed with a cavity.

It is right as technical scheme a supplement, the iron core lower extreme that moves set up flutedly, install first sealed the pad in this recess, recess top and first sealed pad between still install and move the indisputable spring.

As right technical scheme a supplement, piston lower extreme embedding install the sealed pad of second, this sealed pad cover of second is outside port under the valve opening.

As right technical scheme a supplement, movable iron core upper end be equipped with round platform portion, quiet iron core lower extreme seted up with round platform portion complex round platform hole.

As right technical scheme a supplement, coil pack include that coil skeleton, coil winding and notes mould the shell, the shell internally mounted that moulds plastics have coil skeleton and coil winding, the coil skeleton cover outside the cover pipe, the winding has coil winding on this coil skeleton.

As right technical scheme a supplement, quiet iron core pass through the combination screw to be fixed on the mould shell is moulded to the notes.

As right technical scheme a supplement, first sealing washer and second sealing washer all choose for use O shape circle.

Has the advantages that: the utility model relates to a solenoid valve, the top of the air inlet forms the seal with the first seal ring through the spacing portion, the bottom of the air inlet forms the seal with the inner wall of the valve mounting seat through the second seal ring, guarantee the sealing performance and prevent the leakage, the part is few, the cost has the advantage; this practicality has optimized the structure of disk seat for the disk seat volume diminishes, has promoted the space advantage greatly.

Drawings

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

FIG. 2 is a schematic structural view of the present invention without a valve seat;

fig. 3 is a schematic structural diagram of the movable iron core and the static iron core according to the present invention;

fig. 4 is a schematic structural diagram of the valve seat according to the present invention.

The figure is as follows: 1. valve seat, 2, piston, 3, valve gap, 4, first sealed pad, 5, piston spring, 6, sleeve pipe, 7, answer spring, 8, movable iron core, 9, quiet iron core, 10, coil pack, 11, connecting portion, 12, second sealing washer, 13, valve mount pad, 14, air inlet, 15, gas outlet, 16, spacing portion, 17, second sealed pad, 18, round platform portion, 19, round platform hole, 20, coil skeleton, 21, coil winding, 22, the shell of moulding plastics, 23, combination screw, 24, valve opening, 25, movable iron spring, 26, cavity, 27, first sealing washer.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

The embodiment of the utility model relates to an electromagnetic valve, as shown in fig. 1-4, including valve seat 1, valve gap 3 and valve mount pad 13, valve seat 1 install in valve mount pad 13, this valve seat 1 upper end has been arranged the spacing portion 16 of round, spacing portion 16 is the same with the nut structure of hex bolts, spacing portion 16 detain on valve mount pad 13, spacing portion 16 and valve mount pad 13 upper end between install first sealing washer 27, valve seat 1 upper portion be located below spacing portion 16 and be equipped with connecting portion 11, this connecting portion 11 and valve mount pad 13 inner wall form threaded connection, connecting portion 11 is used for the connection between valve seat 1 and the valve mount pad 13 inner wall, valve seat 1 inside have a valve pocket, install piston 2 in this valve pocket, piston 2 middle part in vertically seted up valve opening 24, the valve pocket in be located piston 2 below and install piston spring 5, valve seat 1 bottom seted up gas outlet 15, the embedding that this valve seat 1 lower part is located valve gap 15 installs second sealing washer 12, first sealing washer 27 and second sealing washer 12 all select for use the O shape sealing washer 12, the valve seat 3 is located between this valve seat 2 fixed ring and the opening 6 and the iron core 6 is installed with the iron core 6, this valve seat mounting seat has a movable sleeve pipe, the iron core 6, this valve seat 3 upper end is equipped with the movable sleeve 6, the movable sleeve 6 is installed on the movable sleeve 6, the movable sleeve 6; the air inlet 14 and the air outlet 15 are communicated with the valve cavity.

The upper end of the valve cavity is provided with a threaded hole, and the threaded hole is screwed with the valve cover 3 through threads.

The lower end of the movable iron core 8 is provided with a groove, a first sealing gasket 4 is arranged in the groove, and a movable iron spring 25 is further arranged between the top of the groove and the first sealing gasket 4.

The lower end of the piston 2 is embedded with a second sealing gasket 17, and the second sealing gasket 17 is sleeved outside the lower end opening of the valve hole 24.

The upper end of the movable iron core 8 is provided with a circular table part 18, and the lower end of the static iron core 9 is provided with a circular table hole 19 matched with the circular table part 18.

The coil component 10 comprises a coil framework 20, a coil winding 21 and an injection molding shell 22, wherein the coil framework 20 is sleeved outside the sleeve 6, and the coil winding 21 is wound on the coil framework 20; the coil framework 20 and the coil winding 21 are wrapped by the injection molding shell 22, the coil yoke is arranged outside the injection molding shell 22, and structures such as TVS (transient voltage suppressor), terminals and the like are further arranged in the injection molding shell.

The static iron core 9 is fixed on the injection molding shell 22 through a combined screw 23, and the static iron core 9 is convenient to disassemble and assemble.

The air inlet 14 of the valve seat 1 is used for air inlet, the air outlet 15 is used for air outlet, in a normal state, the second sealing gasket 17 at the lower end of the piston 2 seals the air outlet 15, and the first sealing gasket 4 at the lower end of the movable iron core 8 seals the upper port of the valve hole 24. When the valve seat needs to be opened, the coil winding 21 is electrified to generate a magnetic field, so that the movable iron core 8 moves upwards, the first sealing gasket 4 at the lower end of the movable iron core 8 is separated from an upper port of the valve hole 24, the chamber 26 is communicated with the outside through the valve hole 24 to form low pressure, the valve cavity for the movement of the piston 2 in the valve seat 1 belongs to a high-pressure state, the piston 2 is forced to move upwards under the action of high and low pressure and the elastic force of the piston spring 5, and the second sealing gasket 17 at the lower end of the piston 2 is separated from the air outlet 15; when the valve is not used, the coil winding 21 is powered off, the movable iron core 8 moves downwards by virtue of the return spring 7, the first sealing gasket 4 at the lower end of the movable iron core 8 blocks the upper port of the valve hole 24, the movable iron core 2 drives the piston 2 to move downwards, and the second sealing gasket 17 at the lower end of the piston 2 blocks the air outlet 15.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The above detailed description is provided for the solenoid valve provided in the present application, and specific examples are applied herein to explain the principles and embodiments of the present application, and the above description of the embodiments is only used to help understand the method and the core idea of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. The utility model provides a solenoid valve, includes disk seat (1), valve gap (3) and valve mount pad (13), its characterized in that: the valve seat (1) is arranged in the valve mounting seat (13), a circle of limiting part (16) is arranged at the upper end of the valve seat (1), a first sealing ring (27) is arranged between the limiting part (16) and the upper end of the valve mounting seat (13), a valve cavity is arranged in the valve seat (1), a piston (2) is arranged in the valve cavity, a valve hole (24) is vertically arranged in the middle of the piston (2), a piston spring (5) is arranged in the valve cavity below the piston (2), the bottom of the valve seat (1) is provided with an air outlet (15), a second sealing ring (12) is embedded and installed at the opening of the lower part of the valve seat (1) positioned at the air outlet (15), an air inlet (14) is arranged between the first sealing ring (27) and the second sealing ring (12) at the lower part of the valve seat (1), a valve cover (3) is arranged at the upper end of the valve cavity, a sleeve (6) is fixedly connected on the valve cover (3), a movable iron core (8) and a static iron core (9) are arranged in the sleeve (6), a return spring (7) is arranged between the movable iron core (8) and the static iron core (9), the coil component (10) is sleeved outside the sleeve (6), and the valve cover (3) and the piston (2) are matched to form a cavity (26).

2. A solenoid valve according to claim 1, wherein: the lower end of the movable iron core (8) is provided with a groove, a first sealing gasket (4) is arranged in the groove, and a movable iron spring (25) is further arranged between the top of the groove and the first sealing gasket (4).

3. A solenoid valve according to claim 1, wherein: and a second sealing gasket (17) is embedded at the lower end of the piston (2), and the second sealing gasket (17) is sleeved outside the lower port of the valve hole (24).

4. A solenoid valve according to claim 1, wherein: the upper end of the movable iron core (8) is provided with a circular table part (18), and the lower end of the static iron core (9) is provided with a circular table hole (19) matched with the circular table part (18).

5. A solenoid valve according to claim 1, wherein: coil pack (10) including coil skeleton (20), coil winding (21) and mould plastics shell (22), mould plastics shell (22) internally mounted have coil skeleton (20) and coil winding (21), coil skeleton (20) cover outside sleeve pipe (6), the winding has coil winding (21) on this coil skeleton (20).

6. A solenoid valve according to claim 5 wherein: the static iron core (9) is fixed on the injection molding shell (22) through a combined screw (23).

7. A solenoid valve according to claim 1, wherein: and the first sealing ring (27) and the second sealing ring (12) are O-shaped rings.

8. A solenoid valve according to claim 1, wherein: the upper portion of the valve seat (1) is located below the limiting portion (16), a connecting portion (11) is arranged below the limiting portion, and the connecting portion (11) is in threaded connection with the inner wall of the valve installation seat (13).