CN219030360U

CN219030360U - Valve assembly

Info

Publication number: CN219030360U
Application number: CN202221447208.4U
Authority: CN
Inventors: 俞舟; 冯忠波; 康志军
Original assignee: Zhejiang Dunan Artificial Environment Co Ltd
Current assignee: Zhejiang Dunan Artificial Environment Co Ltd
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2023-05-16
Anticipated expiration: 2032-06-10

Abstract

The present utility model provides a valve assembly comprising: the bottle body comprises a bottle body and a bottle cap, one end of the bottle body is provided with an opening, the other end of the bottle body is provided with a bottle opening, and the bottle cap is arranged at the opening; the electromagnetic valve is arranged at the bottleneck and comprises a fixing frame, a valve body and a coil assembly, the valve body is provided with a circulation port and a valve port which are oppositely arranged, the valve body is connected with the bottleneck, the circulation port is positioned in the bottleneck, the circulation port is arranged towards the side wall of the bottle body, the fixing frame is connected with the bottle body, the valve body and the coil assembly are fixed on the fixing frame, the coil assembly is arranged on the periphery of the valve body in a surrounding mode, the valve port is communicated with the circulation port, and the valve port is provided with an opening state and a closing state which are oppositely arranged. By applying the technical scheme of the utility model, the problem that the valve assembly in the prior art is easy to leak can be solved.

Description

Valve assembly

Technical Field

The utility model relates to the technical field of valve assemblies, in particular to a valve assembly.

Background

The patent of publication number CN215795596U discloses an essential oil device, this essential oil device includes bottle and solenoid valve, the bottle includes bottle and bottle lid, can deposit essential oil in the bottle, the one end of bottle is provided with the bottleneck, the other end of bottle is provided with the bottle lid, the solenoid valve sets up in bottleneck department, the solenoid valve has circulation mouth and the valve port of relative setting, the circulation mouth sets up in the bottle, essential oil accessible circulation mouth flows to valve port department, the valve port has the open state and the closed state of relative setting, so can control the flow of essential oil. However, the circulation port is usually arranged corresponding to the bottle cap, when the valve port is switched from the open state to the closed state, the essential oil in the electromagnetic valve can splash to the bottle cap from the circulation port to the upper side under the action of pressure, and part of essential oil can flow to the outside of the bottle body along the gap of the bottle cap to cause leakage, so that the experience of a user can be influenced.

Disclosure of Invention

The utility model provides a valve assembly, which solves the problem that the valve assembly in the prior art is easy to leak.

The present utility model provides a valve assembly comprising: the bottle body comprises a bottle body and a bottle cap, one end of the bottle body is provided with an opening, the other end of the bottle body is provided with a bottle opening, and the bottle cap is arranged at the opening; the electromagnetic valve is arranged at the bottleneck and comprises a valve body, the valve body is provided with a circulation port and a valve port which are oppositely arranged, the valve body is connected with the bottleneck, the circulation port is positioned in the bottleneck, the circulation port is arranged towards the side wall of the bottle body, the valve port is communicated with the circulation port, and the valve port is provided with an opening state and a closing state which are oppositely arranged.

By applying the technical scheme of the utility model, the circulation port is arranged towards the side wall of the bottle body, and when the valve port is switched from the open state to the closed state, essential oil in the electromagnetic valve can splash onto the inner side wall of the bottle body from the circulation port, and the extending direction of the inner side wall of the bottle body is arranged along the vertical direction. Through setting up above-mentioned structure, can play the cushioning effect to essential oil, avoid essential oil splash to on the bottle lid, simultaneously can also make the essential oil that adheres to on the medial wall flow to in the body along vertical direction to can prevent that essential oil from flowing gradually to the outer wall from the bottle lid and causing the leakage, guaranteed the life of device effectively, improved user's use experience.

Further, the valve body includes: the fixed iron core is connected with the bottle mouth, the fixed iron core part is arranged in the bottle body, a circulation channel is arranged in the fixed iron core, and one end of the circulation channel forms a circulation port; the shell is connected with one end, far away from the bottle body, of the fixed iron core, the shell is provided with a circulation cavity, the other end of the circulation channel is communicated with the circulation cavity, one end, far away from the fixed iron core, of the shell is provided with a valve port, and the valve port is communicated with the circulation cavity; the movable iron core is movably arranged in the circulation cavity and is used for opening or sealing the valve port. Through setting up above-mentioned structure, valve body accessible moves the iron core and opens or shutoff valve port, so can control the flow of essential oil in the body to can reduce the extravagant condition of essential oil emergence in the use.

Further, the circulation channel comprises a first circulation channel and a second circulation channel which are connected with each other, the end part of the first circulation channel is positioned on the side wall of the fixed iron core, the fixed iron core is communicated with the bottle body through the first circulation channel, a third circulation channel is arranged on the movable iron core, one end of the third circulation channel is circulated with the circulation cavity, the other end of the third circulation channel can be communicated with the valve port, and the second circulation channel and the third circulation channel extend along the axial direction of the valve body. Through setting up above-mentioned structure, when the essential oil in the body flows from first circulation passageway and flows to the inside of deciding the iron core and moving the iron core, owing to decide the iron core and move the iron core and have along axial extension's circulation passageway, essential oil can flow to valve port department along the circulation passageway under the effect of gravity, can reduce the resistance of essential oil when flowing like this to the flow efficiency of essential oil has been improved.

Further, the first flow channel is provided with a plurality of flow openings, and the plurality of flow openings are annularly arranged on the side wall of the fixed iron core. The essential oil in the bottle body can flow into the electromagnetic valve through the plurality of circulation ports, so that the flow rate of the essential oil is improved, meanwhile, when the electromagnetic valve is switched from an open state to a closed state, the essential oil in the electromagnetic valve can splash onto the inner wall of the bottle body from the plurality of circulation ports, the pressure of the essential oil sprayed out of the circulation channel can be effectively reduced through the plurality of circulation ports, the height of the essential oil sprayed out can be reduced, and the condition that the essential oil leaks out of the outer wall is avoided as much as possible.

Further, the valve body further comprises a valve seat fixed in the shell, the valve seat is arranged at one end of the circulation cavity far away from the bottle body, and the valve seat is provided with a valve port. By arranging the valve seat, one end, far away from the bottle body, of the valve body can be plugged; the valve port is arranged on the valve seat, so that the electromagnetic valve can control the flow of the essential oil.

Further, the bottleneck has first hole section and the second hole section that the ladder set up, the aperture of first hole section is less than the aperture of second hole section, first hole section is close to the bottle lid setting, have first ladder face between first hole section and the second hole section, the one end that decides the iron core and be connected with the bottleneck has first section and the second section that the ladder set up, the diameter of first section is less than the internal diameter of second section, be provided with the circulation mouth in the first section, the second section is connected with second hole Duan Luowen, have the second ladder face between first section and the second section, seal structure has between first ladder face and the second ladder face. The fixed iron core is in threaded connection with the bottle mouth, so that the disassembly of the device is convenient, and meanwhile, the threaded structure has the characteristics of simple structure and easiness in processing, so that the disassembly and assembly efficiency of the device can be improved, and meanwhile, the production cost of the device is correspondingly reduced; the sealing structure is arranged between the first step surface and the second step surface, and after the fixed iron core is connected and fixed with the bottle mouth, the sealing structure can form hard seal on a gap between the fixed iron core and the bottle mouth, so that essential oil in the bottle body can be prevented from leaking from the gap, and the sealing effect of the device is ensured.

Further, the valve assembly further comprises a second sealing element, the second sealing element is arranged on the outer side wall of the movable iron core, the second sealing element is located at one end, close to the valve port, of the movable iron core, and the second sealing element can be matched and sealed with the valve port. Through setting up above-mentioned structure, the second sealing member can be to moving the junction of iron core and valve port shutoff to realize moving the sealing of the junction of iron core and valve port, so can reduce the leakage of the interior essential oil of device effectively, thereby improved the sealed effect of device.

Further, the valve body 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 propped against the fixed iron core, and the other end of the elastic piece is positioned in the third flow passage and is propped against the movable iron core. 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 bottle body is also provided with an air inlet channel, the air inlet channel is positioned between the bottle body and the bottle cap, the air inlet channel extends along the circumferential direction of the bottle body, one end of the air inlet channel is communicated with the outside, and the other end of the air inlet channel is communicated with the inside of the bottle body. The internal air pressure of the bottle body is equal to the air pressure of the external environment, and the bottle body is kept in a balanced state, so that the essential oil can flow more smoothly in the using process of the device, and the device is convenient to use.

Further, the solenoid valve still includes mount and coil pack, and the mount is connected with the body, and valve body and coil pack are fixed on the mount, and the periphery at the valve body is established to the coil pack. Through setting up above-mentioned structure, can guarantee the normal operating of solenoid valve, all fix coil pack and valve body on the mount simultaneously, can guarantee the stability when the device operates.

Drawings

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

FIG. 1 shows a schematic cross-sectional view of a valve assembly provided by the present utility model;

fig. 2 shows an enlarged view at a in fig. 1.

Wherein the above figures include the following reference numerals:

11. a bottle body; 12. a bottle cap;

21. a fixing frame; 22. a flow port; 23. a valve port; 24. a coil assembly; 25. fixing an iron core; 26. a housing; 27. a movable iron core; 28. a valve seat; 29. a sealing structure; 30. a second seal; 40. an elastic member; 50. an intake passage.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, 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 utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 and 2, the present utility model provides a valve assembly including a bottle body and a solenoid valve. Wherein, the bottle includes body 11 and bottle lid 12, and the one end of body 11 is provided with the opening, and the other end of body 11 is provided with the bottleneck, and bottle lid 12 sets up in the opening part, and the solenoid valve sets up in bottleneck department, and the solenoid valve includes the valve body, and the valve body has circulation mouth 22 and the valve port 23 of relative setting, and the valve body is connected with the bottleneck, and circulation mouth 22 is located the bottleneck, and circulation mouth 22 sets up towards the lateral wall of body 11, and valve port 23 and circulation mouth 22 intercommunication, valve port 23 have the open state and the closed state of relative setting. Wherein, in the embodiment of this application, circulation port 22 sets up towards the lateral wall of body 11 along the horizontal direction, and above-mentioned scheme is simple and easy processing, avoids increasing the manufacturing cost of device when can satisfy essential oil splash prevention.

By applying the technical scheme of the utility model, the circulation port 22 is arranged towards the side wall of the bottle body 11, and when the valve port 23 is switched from the open state to the closed state, essential oil in the electromagnetic valve can splash onto the inner side wall of the bottle body 11 from the circulation port 22, and the inner side wall of the bottle body 11 is arranged along the vertical direction. Through setting up above-mentioned structure, can play the cushioning effect to essential oil, avoid essential oil splash to bottle lid 12 on, simultaneously can also make the essential oil that adheres to on the medial wall flow to in the body 11 along vertical direction to can prevent that essential oil from flowing gradually to the outer wall from bottle lid 12 and causing the leakage, guaranteed the life of device effectively, promoted user's use experience.

Further, the valve body includes a fixed iron core 25, a housing 26, and a movable iron core 27. Wherein, decide iron core 25 and bottleneck connection, decide iron core 25 part setting in body 11, and decide the iron core 25 in be provided with the circulation passageway, the one end of circulation passageway forms circulation mouth 22, casing 26 is connected with the one end of keeping away from the bottle of deciding iron core 25, casing 26 has the circulation chamber, the other end and the circulation chamber intercommunication of circulation passageway, the one end of keeping away from deciding iron core 25 of casing 26 has valve port 23, valve port 23 and circulation chamber intercommunication, movable iron core 27 movably sets up in the circulation chamber, movable iron core 27 is used for opening or shutoff valve port 23. Through setting up above-mentioned structure, valve body accessible moves iron core 27 and opens or shutoff valve port 23, so can control the flow of the essential oil in the body 11 to can reduce the extravagant condition of essential oil emergence in the use.

Specifically, the circulation channel includes interconnect's first circulation channel and second circulation channel, and the tip of first circulation channel is located the lateral wall of deciding iron core 25, decides

iron core

25 and 11 intercommunication of body through first circulation channel, is provided with the third circulation channel on the movable iron core 27, and the one end and the circulation chamber circulation of third circulation channel, and the other end and the valve port 23 intercommunication of third circulation channel, second circulation channel and third circulation channel all extend along the axial of valve body. Through setting up above-mentioned structure, when the essential oil in the body 11 flows from first circulation passageway and flows to the inside of deciding iron core 25 and moving iron core 27, owing to decide iron core 25 and moving iron core 27 have along the axially extending circulation passageway, essential oil can flow to valve port 23 department along the circulation passageway under the effect of gravity, can reduce the resistance of essential oil when flowing so to the flow efficiency of essential oil has been improved.

In this embodiment of the present application, the first flow channel penetrates through the side wall of the fixed iron core 25, and the extending direction of the first flow channel is perpendicular to the extending direction of the second flow channel, when the essential oil splashes out from the flow channel, the right-angle structure can generate a certain resistance to the essential oil, so that the pressure of the essential oil in the flow channel during splashing can be reduced. Of course, in other embodiments, the extending direction of the first flow channel and the extending direction of the second flow channel are set to other angles, as long as the splash-proof requirement of the device can be met.

Further, the first flow passage has a plurality of flow ports 22, and the plurality of flow ports 22 are annularly provided on the side wall of the stator core 25. The essential oil in the bottle 11 can flow into the electromagnetic valve through the plurality of circulation ports 22, so that the flow rate of the essential oil is improved, meanwhile, when the electromagnetic valve is switched from an open state to a closed state, the essential oil in the electromagnetic valve can be splashed onto the inner wall of the bottle 11 from the plurality of circulation ports 22, the pressure of the essential oil sprayed from the circulation channel can be effectively reduced through the plurality of circulation ports 22, the momentum of the essential oil sprayed can be reduced, and the splashing of the essential oil can be avoided as much as possible. In the embodiment of the application, the circulation ports 22 are specifically set to two, and the two circulation ports 22 are respectively set at two ends of the first circulation channel, so that essential oil can be uniformly sprayed out of the circulation channel through the arrangement of the structure, and the stability of the device during operation can be ensured.

Specifically, the valve body further includes a valve seat 28, the valve seat 28 being fixed within the housing 26, and the valve seat 28 being disposed at an end of the flow-through chamber remote from the bottle, the valve seat 28 having the valve port 23. By providing the valve seat 28, one end of the valve body, which is far away from the bottle body, can be plugged; the valve seat 28 is provided with the valve port 23, so that the control of the electromagnetic valve on the flow of the essential oil can be realized.

Further, the bottleneck has first hole section and the second hole section that the ladder set up, the aperture of first hole section is less than the aperture of second hole section, first hole section is close to bottle lid 12 setting, have first ladder face between first hole section and the second hole section, the one end that decides iron core 25 and bottleneck are connected has first section and the second section that the ladder set up, the diameter of first section is less than the internal diameter of second section, be provided with circulation port 22 on the first section, the second section is connected with second hole Duan Luowen, have the second ladder face between first section and the second section, seal structure 29 has between first ladder face and the second ladder face. The fixed iron core 25 is in threaded connection with the bottle mouth, so that the disassembly of the device can be facilitated, and meanwhile, the production cost of the device is correspondingly reduced while the disassembly and assembly efficiency of the device can be improved due to the fact that the threaded structure has the characteristics of being simple in structure and easy to process. The sealing structure 29 is arranged between the first step surface and the second step surface, and after the fixed iron core 25 is connected and fixed with the bottle mouth, the sealing structure 29 can form hard seal on a gap between the fixed iron core 25 and the bottle mouth, so that essential oil in the bottle body 11 can be prevented from leaking from the gap, and the sealing effect of the device is ensured. The sealing structure 29 may be a separate component, or may be an integral structure with the body 11 or the stator core 25.

In this embodiment, the sealing structure 29 and the bottle body 11 are integrally formed, and the cross section of the sealing structure 29 is in a semicircular shape, and is circumferentially surrounded at the bottle mouth along the first step surface. Of course, the cross section of the sealing structure 29 may also be provided in a circumferential or square shape, as long as the sealing requirements of the device are met.

Specifically, the valve assembly further includes a second sealing member 30, the second sealing member 30 is disposed on an outer sidewall of the plunger 27, and the second sealing member 30 is located at an end of the plunger 27 near the valve port 23, and the second sealing member 30 is capable of sealing with the valve port 23. Through setting up above-mentioned structure, the second sealing member 30 can carry out the shutoff to the junction of moving iron core 27 and valve port 23 to realize moving the sealing of the junction of iron core 27 and valve port 23, so can reduce the leakage of the interior essential oil of device effectively, thereby improved the sealed effect of device.

In this embodiment, the end of the movable iron core 27, which is close to the valve port 23, is provided with a groove in a ring shape, and the first sealing member is arranged in the annular groove.

Further, the valve body further includes an elastic member 40, the elastic member 40 is disposed between the fixed iron core 25 and the movable iron core 27, one end of the elastic member 40 is movably abutted against the fixed iron core 25, and the other end of the elastic member 40 is located in the third flow passage and abutted against the movable iron core 27. So set up, the elasticity of elastic component 40 can act on moving iron core 27 with moving iron core 27 self gravity jointly to make moving iron core 27 be in the position of shutoff valve port 23, thereby can realize moving iron core 27's shutoff function. The elastic member 40 is specifically a return spring, so that the production cost is low, and the structure is simple and the weight is light, thereby being beneficial to realizing the light weight of the device.

Specifically, the bottle body is further provided with an air inlet channel 50, the air inlet channel 50 is located between the bottle body 11 and the bottle cap 12, the air inlet channel 50 extends along the circumferential direction of the bottle body 11, one end of the air inlet channel 50 is communicated with the outside, and the other end of the air inlet channel 50 is communicated with the inside of the bottle body 11. The air pressure inside the bottle body 11 can be ensured to be equal to the air pressure of the external environment, and the bottle body is kept in a balanced state, so that the essential oil can flow more smoothly in the using process of the device, and the device is convenient to use.

Further, the solenoid valve further comprises a fixing frame 21 and a coil assembly 24, the fixing frame 21 is connected with the bottle body 11, the valve body and the coil assembly 24 are fixed on the fixing frame 21, and the coil assembly 24 is arranged on the periphery of the valve body in a surrounding mode. Through setting up above-mentioned structure, can guarantee the normal operating of solenoid valve, all fix coil pack 24 and valve body on mount 21 simultaneously, can guarantee the stability when the device operates.

By applying the technical scheme of the utility model, the circulation port 22 is arranged towards the side wall of the bottle body 11, and when the valve port 23 is switched from the open state to the closed state, essential oil in the electromagnetic valve can splash onto the inner side wall of the bottle body 11 from the circulation port 22, and the inner side wall of the bottle body 11 is arranged along the vertical direction. Through setting up above-mentioned structure, can play the cushioning effect to essential oil, avoid essential oil splash to bottle lid 12 on, simultaneously can also make the essential oil that adheres to on the medial wall flow to in the body 11 along vertical direction to can prevent that essential oil from flowing gradually to the outer wall from bottle lid 12 and causing the leakage, guaranteed the life of device effectively, improved user's use experience. Meanwhile, the air inlet channel 50 is further arranged on the bottle body, so that the air pressure inside the bottle body 11 is equal to the air pressure of the external environment, and the bottle body is kept in a balanced state, so that the essential oil can flow more smoothly in the using process of the device, and the device is convenient to use.

The essential oil in the bottle body 11 of the embodiment can also be replaced by mosquito repellent liquid medicine, air freshener, air disinfectant and the like.

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 example embodiments in accordance with 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 utility model 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 utility model, 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 utility model 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 utility model; 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 utility model.

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

Claims

1. A valve assembly, the valve assembly comprising:

the bottle comprises a bottle body (11) and a bottle cap (12), wherein an opening is formed in one end of the bottle body (11), a bottle opening is formed in the other end of the bottle body (11), and the bottle cap (12) is arranged at the opening;

the electromagnetic valve is arranged at the bottle opening and comprises a valve body, the valve body is provided with a circulation port (22) and a valve port (23) which are arranged oppositely, the circulation port (22) is arranged in the bottle opening, the circulation port (22) is arranged towards the side wall of the bottle body (11), the valve port (23) is communicated with the circulation port (22), and the valve port (23) is provided with an open state and a closed state which are arranged oppositely;

the valve body comprises a fixed iron core (25), the fixed iron core (25) is connected with the bottle mouth, and the fixed iron core (25) is partially arranged in the bottle body (11);

the bottle mouth is provided with a first hole section and a second hole section which are arranged in a stepped mode, the aperture of the first hole section is smaller than that of the second hole section, the first hole section is close to the bottle cap (12), a first stepped surface is arranged between the first hole section and the second hole section, one end, connected with the bottle mouth, of the fixed iron core (25) is provided with a first section and a second section which are arranged in a stepped mode, the diameter of the first section is smaller than the inner diameter of the second section, the first section is provided with a circulation port (22), the second section is connected with the second hole Duan Luowen, a second stepped surface is arranged between the first section and the second section, and a sealing structure (29) is arranged between the first stepped surface and the second stepped surface.

2. Valve assembly according to claim 1, wherein a flow channel is provided in the stator core (25), one end of the flow channel forming the flow port (22), the valve body comprising:

a housing (26) connected with one end of the fixed iron core (25) far away from the bottle body, wherein the housing (26) is provided with a circulation cavity, the other end of the circulation channel is communicated with the circulation cavity, one end of the housing (26) far away from the fixed iron core (25) is provided with the valve port (23), and the valve port (23) is communicated with the circulation cavity;

and the movable iron core (27) is movably arranged in the circulation cavity, and the movable iron core (27) is used for opening or sealing the valve port (23).

3. A valve assembly according to claim 2, wherein the flow-through channel comprises a first flow-through channel and a second flow-through channel connected to each other, the end of the first flow-through channel being located on the side wall of the stator core (25), the stator core (25) being in communication with the body (11) through the first flow-through channel, a third flow-through channel being provided on the plunger (27), one end of the third flow-through channel being in flow communication with the flow-through chamber, the other end of the third flow-through channel being in communication with the valve port (23), the second flow-through channel and the third flow-through channel each extending in the axial direction of the valve body.

4. A valve assembly according to claim 3, wherein the first flow passage has a plurality of the flow ports (22), a plurality of the flow ports (22) being annularly arranged on a side wall of the stator core (25).

5. The valve assembly of claim 2, wherein the valve body further comprises a valve seat (28) secured within the housing (26), and the valve seat (28) is disposed at an end of the flow-through chamber remote from the bottle, the valve seat (28) having the valve port (23).

6. The valve assembly of claim 2, further comprising a second seal (30), the second seal (30) being disposed on an outer sidewall of the plunger (27), and the second seal (30) being located at an end of the plunger (27) proximate the valve port (23), the second seal (30) being capable of mating sealing with the valve port (23).

7. A valve assembly according to claim 3, wherein the valve body further comprises an elastic member (40), the elastic member (40) being disposed between the fixed core (25) and the movable core (27), one end of the elastic member (40) being abutted against the fixed core (25), and the other end of the elastic member (40) being located in the third flow passage and being abutted against the movable core (27).

8. Valve assembly according to claim 1, wherein the bottle body is further provided with an air inlet channel (50), the air inlet channel (50) is located between the bottle body (11) and the bottle cap (12), the air inlet channel (50) extends along the circumference of the bottle body (11), one end of the air inlet channel (50) is communicated with the outside, and the other end of the air inlet channel (50) is communicated with the inside of the bottle body (11).

9. Valve assembly according to claim 1, characterized in that the solenoid valve further comprises a fixing frame (21) and a coil assembly (24), the fixing frame (21) is connected with the bottle body (11), the valve body and the coil assembly (24) are fixed on the fixing frame (21), and the coil assembly (24) is arranged around the periphery of the valve body.