CN116838841A

CN116838841A - Electromagnetic stop valve and valve assembly with same

Info

Publication number: CN116838841A
Application number: CN202210302020.9A
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Dunan Automotive Thermal Management Technology Co Ltd
Current assignee: Dunan Automotive Thermal Management Technology Co Ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2023-10-03

Abstract

The application provides an electromagnetic stop valve and a valve assembly with the same, wherein the electromagnetic stop valve comprises: the valve body is provided with a containing cavity, and is also provided with a valve port which is communicated with the containing cavity; the fixed iron core is arranged in the accommodating cavity; the movable iron core is movably arranged in the accommodating cavity, the fixed iron core and the movable iron core are distributed along the axial direction of the valve body, the movable iron core is provided with a first end and a second end which are oppositely arranged, the first end of the movable iron core corresponds to the fixed iron core, the second end of the movable iron core corresponds to the valve port, and the fixed iron core can drive the movable iron core to move so that the second end of the movable iron core can block or open the valve port. By applying the technical scheme of the application, the problems of low installation efficiency and poor coaxiality of the electromagnetic stop valve in the prior art can be solved.

Description

Electromagnetic stop valve and valve assembly with same

Technical Field

The application relates to the technical field of electromagnetic valves, in particular to an electromagnetic stop valve and a valve assembly with the same.

Background

At present, the existing electromagnetic stop valve comprises a valve body, a fixed iron core, a movable iron core and a valve core, wherein a containing cavity is formed in the valve body, the fixed iron core, the movable iron core and the valve core are arranged in the containing cavity, the movable iron core is in driving connection with the valve core, the fixed iron core can drive the movable iron core to move through magnetic force, and then the valve core is driven to move to open or block a valve port. In the prior art, the above-mentioned scheme structure spare part is many, in the installation, needs all install a plurality of parts to holding the intracavity, adjusts, fixes again, so can increase the required time when the device is installed to lead to the installation effectiveness of electromagnetism stop valve low, the poor problem of axiality.

Disclosure of Invention

The application provides an electromagnetic stop valve and a valve assembly with the same, and aims to solve the problems of low installation efficiency and poor coaxiality of the electromagnetic stop valve in the prior art.

According to an aspect of the present application, there is provided an electromagnetic cut-off valve comprising: the valve body is provided with a containing cavity, and is also provided with a valve port which is communicated with the containing cavity; the fixed iron core is arranged in the accommodating cavity; the movable iron core is movably arranged in the accommodating cavity, the fixed iron core and the movable iron core are distributed along the axial direction of the valve body, the movable iron core is provided with a first end and a second end which are oppositely arranged, the first end of the movable iron core corresponds to the fixed iron core, the second end of the movable iron core corresponds to the valve port, and the fixed iron core can drive the movable iron core to move so that the second end of the movable iron core can block or open the valve port.

By adopting the technical scheme, the valve core and the movable iron core are arranged into the integrated structure, in the installation process of the device, only one end of the movable iron core is correspondingly arranged with the fixed iron core, and the other end of the movable iron core is correspondingly arranged with the valve port, so that the use requirement of the device can be met. And the problem that the coaxiality of the valve core and the movable iron core is poor due to processing and mounting errors can be avoided by the integrated forming structure, so that the coaxiality of the valve core and the sealing structure of the movable iron core is better, and the valve opening and closing actions of the device can be ensured to be smoother.

Further, the end face of the second end of the movable iron core is a plane, and in the state that the movable iron core seals the valve port, the end face of the second end of the movable iron core is abutted with the end face of the valve port. So set up, when moving the second end and the valve port butt of iron core, the valve port can produce spacingly to moving the second end of iron core, has prevented the second end of iron core along axial displacement, because the terminal surface of two is planar structure to can improve the area of contact of two, make the contact of two more stable, improved the valve port correspondingly to the spacing effect of moving the second end of iron core.

Further, the valve body comprises a body and a valve seat, the body is provided with a mounting hole, the valve seat is connected with the body and is positioned in the mounting hole, and the valve seat is provided with a valve port. The device is easier to disassemble and assemble, the disassembling difficulty of the device is reduced, and the valve seat is arranged in the mounting hole, so that the whole size of the device is reduced, and the device can be miniaturized.

Further, the end face of the valve seat, which is close to the movable iron core, is lower than the end face of the mounting hole, which is close to the movable iron core, the electromagnetic stop valve further comprises a first sealing element, the first sealing element is arranged between the movable iron core and the mounting hole, and the first sealing element is arranged around the periphery of the second end of the movable iron core. Through setting up above-mentioned structure, first sealing member can carry out the shutoff to the junction of the second end of moving the iron core and valve port to realize moving the radial seal of the junction of the second end of iron core and valve port, so can reduce the interior hourglass of device effectively, thereby improved the sealed effect of device.

Further, the plunger has a balancing passage extending through the first and second ends of the plunger. So set up, when the medium enters into the inside of moving the iron core, can enter into the first end of moving the iron core through balanced passageway, make the pressure differential of moving iron core first end and second end obtain effective balance to the stability when having guaranteed the device operation.

Further, the balancing channel comprises a first hole section, a second hole section and a third hole section which are sequentially connected, the third hole section is close to the valve port, the diameter of the third hole section is larger than that of the first hole section, and the diameter of the first hole section is larger than that of the second hole section. Through setting up above-mentioned structure, set up first hole section and second hole section into echelonment, be favorable to satisfying the installation requirement of device, the diameter of third hole section sets up to being greater than the diameter of first hole section and second hole section, can realize the heavy-calibre internal balance function of device, and the internal diameter size of third hole section can be adjusted according to the valve port flow demand simultaneously, so can improve the suitability of device to the application range of device has been improved.

Further, the fixed iron core is arranged at one end of the accommodating cavity far away from the valve port, and the movable iron core is positioned at one end of the fixed iron core near the valve port. Through setting up above-mentioned structure, when the device is static, the movable iron core can block the valve port, and the valve port is in the shutoff state this moment, so can satisfy the normal close function of device valve port.

Further, the electromagnetic stop valve further comprises an elastic piece, the elastic piece is arranged between the fixed iron core and the movable iron core, one end of the elastic piece is connected with the fixed iron core, and the other end of the elastic piece is connected with the movable iron core and is located in the first hole section. The elastic force of the elastic piece can act on the movable iron core together with the gravity of the movable iron core, so that the movable iron core is positioned at the position of the valve port, and the blocking function of the movable iron core can be realized.

Further, the electromagnetic stop valve further comprises a second sealing piece, the second sealing piece is arranged on the outer side wall of the movable iron core and located in the middle of the movable iron core, and the second sealing piece can be matched and sealed with the side wall of the containing cavity. The second sealing member is used for sealing the junction of holding the chamber and moving the iron core to avoid the medium to take place to reveal in this department, thereby can further improve the sealed effect of device.

According to another aspect of the present application, there is provided a valve assembly comprising the electromagnetic shut-off valve described above and a mounting substrate provided with a mounting cavity and a flow passage, the flow passage communicating with the mounting cavity, the electromagnetic shut-off valve being mounted in the mounting cavity.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:

fig. 1 shows a schematic structural diagram of an electromagnetic stop valve provided by the application.

Wherein the above figures include the following reference numerals:

10. a valve body; 11. a receiving chamber; 12. a valve port; 13. a body; 14. a valve seat;

20. fixing an iron core; 30. a movable iron core; 31. a first bore section; 32. a second bore section; 33. a third bore section; 40. a first seal; 50. an elastic member; 60. and a second seal.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

As shown in fig. 1, the present application provides an electromagnetic shut-off valve comprising a valve body 10, a fixed iron core 20, and a movable iron core 30. The valve body 10 is provided with a containing cavity 11, the valve body 10 is further provided with a valve port 12, the valve port 12 is communicated with the containing cavity 11, the fixed iron core 20 is arranged in the containing cavity 11, the movable iron core 30 is movably arranged in the containing cavity 11, the fixed iron core 20 and the movable iron core 30 are distributed along the axial direction of the valve body 10, the movable iron core 30 is provided with a first end and a second end which are oppositely arranged, the first end of the movable iron core 30 is arranged corresponding to the fixed iron core 20, the second end of the movable iron core 30 is arranged corresponding to the valve port 12, and the fixed iron core 20 can drive the movable iron core 30 to move so that the second end of the movable iron core 30 is blocked or opened with the valve port 12.

By adopting the technical scheme of the application, the valve core and the movable iron core 30 are arranged into an integrated structure, in the installation process of the device, only one end of the movable iron core 30 is correspondingly arranged with the fixed iron core 20, and the other end of the movable iron core 30 is correspondingly arranged with the valve port 12, so that the use requirement of the device can be met.

Further, the end surface of the second end of the movable iron core 30 is a plane, and in a state where the movable iron core 30 blocks the valve port 12, the end surface of the second end of the movable iron core 30 abuts against the end surface of the valve port 12. So set up, when moving the second end of iron core 30 and valve port 12 butt, valve port 12 can produce spacingly to moving the second end of iron core 30, has prevented moving the second end of iron core 30 at axial displacement, because both terminal surfaces are planar structure to can improve the area of contact of two, make the contact of two more stable, and improved the spacing effect of valve port 12 to moving the second end of iron core 30 correspondingly, also improved the shutoff effect of moving the second end of iron core 30 to valve port 12. Of course, in other embodiments of the present application, the end of the second end of the movable iron core 30 may also be provided with a protruding structure, and the side wall of the protruding structure is a tapered surface, so that the applicability of the device can be improved, which is beneficial to meeting the use requirements of the device in different environments.

In the embodiment of the application, the cross-sectional area of the end surface of the second end of the movable iron core 30 is larger than that of the end surface of the valve port 12, so that the stability of the movable iron core and the valve port in abutting connection can be further ensured, and the sealing effect of the device can be ensured, and the stability of the device in operation can be ensured as much as possible.

Specifically, the valve body 10 includes a body 13 and a valve seat 14, the body 13 having a mounting hole, the valve seat 14 being connected to the body 13 and located in the mounting hole, the valve seat 14 having a valve port 12. The above-mentioned setting makes the dismouting of device easier, has reduced the dismouting degree of difficulty of device, sets up disk seat 14 simultaneously and is favorable to reducing the device along axial and radial ascending length in the mounting hole, has so reduced the whole volume of device effectively to can realize the miniaturization of device. In the embodiment of the application, the structure of the mounting hole is in a ladder shape, the valve seat 14 is correspondingly arranged with the structure of the mounting hole, and the structure is easy to process and convenient for mounting the device, so that the production cost is reduced, the mounting efficiency of the device is further improved, and the mounting working hour of the device is shortened.

Further, the end face of the valve seat 14, which is close to the movable iron core 30, is lower than the end face of the mounting hole, which is close to the movable iron core 30, the electromagnetic stop valve further comprises a first sealing member 40, the first sealing member 40 is arranged between the movable iron core 30 and the mounting hole, and the first sealing member 40 is arranged around the periphery of the second end of the movable iron core 30. Through setting up above-mentioned structure, the first sealing member 40 can carry out the shutoff to the junction of the second end of moving iron core 30 and valve port 12 to realize moving the radial seal of the junction of the second end of iron core 30 and valve port 12, because radial seal can improve the effort between iron core 30 and the valve port 12, compare this scheme of traditional axial seal can improve the sealing capability of device, so can reduce the interior hourglass of device effectively, thereby improved the sealed effect of device. In addition, the radial sealing arrangement can better realize that the upper and lower stress areas of the movable iron core 30 are the same, and reduce the upper and lower pressure difference of the movable iron core 30, so that the pressure balance of the movable iron core 30 is easier to realize, and the valve opening resistance is reduced.

In this embodiment, the second end of the movable iron core 30 is provided with a groove in an annular shape, and the first sealing member 40 is disposed in the annular groove, so that the first sealing member 40 can be more simply and conveniently assembled and disassembled by providing the above structure, and meanwhile, the above structure is also convenient for processing, thereby further reducing the production cost of the device.

Specifically, the plunger 30 has a balancing passage extending through the first and second ends of the plunger 30. So set up, when the device operates, the balance channel can communicate with valve port 12, so can communicate the space between valve port 12 and stator core 20 through the balance channel to make the pressure at movable core 30 both ends keep unanimous, guaranteed the stability when the device operates.

Further, the balancing passage includes a first hole segment 31, a second hole segment 32, and a third hole segment 33 connected in sequence, the third hole segment 33 being disposed proximate to the valve port 12, the diameter of the third hole segment 33 being greater than the diameter of the first hole segment 31, the diameter of the first hole segment 31 being greater than the diameter of the second hole segment 32. Through setting up above-mentioned structure, set up first hole section 31 and second hole section 32 into echelonment, be favorable to satisfying the installation demand of device, the diameter of third hole section 33 sets up to be greater than the diameter of first hole section 31 and second hole section 32, can realize the heavy-calibre internal balance function of device, and the internal diameter size of third hole section 33 can be adjusted according to valve port 12 flow demand simultaneously, so can improve the suitability of device to the application range of device has been improved.

Specifically, the fixed iron core 20 is disposed at an end of the accommodating chamber 11 away from the valve port 12, and the movable iron core 30 is disposed at an end of the fixed iron core 20 near the valve port 12. By the arrangement of the structure, when the device is stationary, the movable iron core 30 can seal the valve port 12, and the valve port 12 is in a sealing state at the moment, so that the normally closed function of the valve port 12 of the device can be met. In the embodiment of the application, when the device is operated, the fixed iron core 20 can generate magnetic force to the movable iron core 30, so that the movable iron core 30 moves along the axial direction towards the position far away from the valve port 12, at this time, the movable iron core 30 is separated from the valve port 12, and the valve port 12 is in an open state, thereby realizing the valve opening function of the device.

Further, the electromagnetic stop valve further comprises an elastic member 50, wherein the elastic member 50 is arranged between the fixed iron core 20 and the movable iron core 30, one end of the elastic member 50 is connected with the fixed iron core 20, and the other end of the elastic member 50 is connected with the movable iron core 30 and is positioned in the first hole section 31. The elastic force of the elastic piece 50 and the gravity of the movable iron core 30 can jointly act on the movable iron core 30 so that the movable iron core 30 is positioned at the position for blocking the valve port 12, and therefore the blocking effect of the movable iron core 30 can be improved. The elastic member 50 is specifically a return spring, so that the device is low in production cost, simple in structure and light in weight, and therefore the device is light in weight.

Specifically, the electromagnetic stop valve further includes a second sealing member 60, the second sealing member 60 is disposed on an outer sidewall of the movable core 30 and located in a middle portion of the movable core 30, and the second sealing member 60 is capable of sealing in cooperation with a sidewall of the accommodating chamber 11. The second sealing member 60 is used for sealing the connection between the accommodating cavity 11 and the movable iron core 30, so as to avoid leakage of the medium at the connection, and further improve the sealing effect of the device.

Still another embodiment of the present application provides a valve assembly including the electromagnetic shut-off valve described above and a mounting substrate having a mounting cavity and a flow channel disposed thereon, the flow channel being in communication with the mounting cavity, the electromagnetic shut-off valve being mounted within the mounting cavity. Through setting up above-mentioned structure, set up electromagnetic cut-off valve at the installation intracavity, can make the overall structure of device more compact to be favorable to reducing the whole volume of device, realized the miniaturization of device.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present application, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present application.

The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. An electromagnetic shut-off valve, characterized in that it comprises:

the valve body (10) is provided with a containing cavity (11), a valve port (12) is further arranged on the valve body (10), and the valve port (12) is communicated with the containing cavity (11);

a fixed iron core (20) arranged in the accommodating cavity (11);

the movable iron core (30) is movably arranged in the accommodating cavity (11), the fixed iron core (20) and the movable iron core (30) are axially distributed along the valve body (10), the movable iron core (30) is provided with a first end and a second end which are oppositely arranged, the first end of the movable iron core (30) corresponds to the fixed iron core (20), the second end of the movable iron core (30) corresponds to the valve port (12), and the fixed iron core (20) can drive the movable iron core (30) to move so that the second end of the movable iron core (30) is blocked or opened the valve port (12).

2. The electromagnetic shut-off valve according to claim 1, wherein an end face of the second end of the movable iron core (30) is a plane, and in a state in which the movable iron core (30) blocks the valve port (12), the end face of the second end of the movable iron core (30) abuts against the end face of the valve port (12).

3. The electromagnetic shut-off valve according to claim 2, characterized in that the valve body (10) comprises a body (13) and a valve seat (14), the body (13) having a mounting hole, the valve seat (14) being connected to the body (13) and being located in the mounting hole, the valve seat (14) having the valve port (12).

4. The electromagnetic shut-off valve according to claim 3, characterized in that an end face of the valve seat (14) near the movable iron core (30) is lower than an end face of the mounting hole near the movable iron core (30), the electromagnetic shut-off valve further comprises a first sealing member (40), the first sealing member (40) is disposed between the movable iron core (30) and the mounting hole, and the first sealing member (40) is enclosed at an outer periphery of the second end of the movable iron core (30).

5. The electromagnetic shut-off valve according to claim 1, wherein the plunger (30) has a balancing passage extending through the first and second ends of the plunger (30).

6. The electromagnetic shut-off valve according to claim 5, wherein the balancing passage comprises a first hole section (31), a second hole section (32) and a third hole section (33) connected in sequence, the third hole section (33) being arranged close to the valve port (12), the diameter of the third hole section (33) being larger than the diameter of the first hole section (31), the diameter of the first hole section (31) being larger than the diameter of the second hole section (32).

7. The electromagnetic shut-off valve according to claim 6, characterized in that the fixed iron core (20) is arranged at an end of the housing chamber (11) remote from the valve port (12), and the movable iron core (30) is arranged at an end of the fixed iron core (20) close to the valve port (12).

8. The electromagnetic shut-off valve according to claim 7, further comprising an elastic member (50), the elastic member (50) being disposed between the fixed iron core (20) and the movable iron core (30), one end of the elastic member (50) being connected to the fixed iron core (20), the other end of the elastic member (50) being connected to the movable iron core (30) and being located in the first hole section (31).

9. The electromagnetic shut-off valve according to claim 1, characterized in that it further comprises a second seal (60), said second seal (60) being provided on the outer lateral wall of the moving core (30) and being located in the middle of the moving core (30), said second seal (60) being able to seal in cooperation with the lateral wall of the containing chamber (11).

10. A valve assembly comprising the electromagnetic shut-off valve of any one of claims 1 to 9 and a mounting base having a mounting cavity and a flow passage disposed thereon, the flow passage in communication with the mounting cavity, the electromagnetic shut-off valve being mounted within the mounting cavity.