CN217401861U

CN217401861U - Valve assembly

Info

Publication number: CN217401861U
Application number: CN202221368365.6U
Authority: CN
Inventors: 俞舟; 张飞
Original assignee: Dunan Environment Technology Co Ltd
Current assignee: Dunan Environment Technology Co Ltd
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-09-09
Anticipated expiration: 2032-06-02
Also published as: WO2023231811A1

Abstract

The utility model provides a valve module, valve module includes: the bottle body is provided with a bottle opening, the fixing part and the bottle opening are positioned on the same side of the bottle body, the fixing part and the bottle opening are arranged at intervals, and the side wall of the fixing part is provided with a clamping groove; the electromagnetic valve is arranged at the bottle opening and provided with a connecting port and a valve opening which are communicated with each other, the connecting port is communicated with the bottle opening, the lateral part of the electromagnetic valve is also provided with a clamping protrusion, and the clamping protrusion is in clamping fit with the clamping groove so as to limit the axial displacement of the electromagnetic valve relative to the bottle body. Use the technical scheme of the utility model, can solve the problem that solenoid valve and bottle joint strength among the prior art are low.

Description

Valve assembly

Technical Field

The utility model relates to a valve module technical field particularly, relates to a valve module.

Background

At present, current valve module includes bottle and solenoid valve, be provided with the bottleneck on the bottle, the solenoid valve sets up in bottleneck department, but in prior art, the solenoid valve passes through the threaded connection of bottleneck department with the bottle, the weight of solenoid valve is whole to be concentrated in bottleneck department, simultaneously because the material of bottle is plastics mostly, the bearing nature and the durability of this material are relatively poor, after solenoid valve and bottle are unscrewed or are screwed up many times, so can lead to the phenomenon of the thread structure between solenoid valve and the bottle appearance smooth tooth, thereby can cause the condition that produces not hard up or even drop between the two, and then the normal use of device has been influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a valve module to solve the problem that solenoid valve and bottle joint strength among the prior art are low.

The utility model provides a valve module, valve module includes: the bottle body is provided with a bottle opening, the fixing part and the bottle opening are positioned on the same side of the bottle body, the fixing part and the bottle opening are arranged at intervals, and the side wall of the fixing part is provided with a clamping groove; the electromagnetic valve is arranged at the bottle opening and provided with a connecting port and a valve opening which are communicated with each other, the connecting port is communicated with the bottle opening, the lateral part of the electromagnetic valve is also provided with a clamping protrusion, and the clamping protrusion is in clamping fit with the clamping groove so as to limit the axial displacement of the electromagnetic valve relative to the bottle body.

Use the technical scheme of the utility model, set up the fixed part on the bottle, and be provided with the joint groove on the lateral wall of fixed part, it is protruding to be provided with the joint at the lateral part of solenoid valve, through the joint groove with the bellied cooperation of being connected of joint, can make solenoid valve and bottle fixed connection. Set up like this, after solenoid valve and bottle installation are accomplished, with the help of the mutual spacing effort between joint groove and the joint arch, reduced the atress condition of bottleneck department effectively, so make the holistic atress of bottle more even, can guarantee the stability after solenoid valve and bottle are connected, can prevent because the two because of unscrewing many times or screwing up the phenomenon appearance such as not hard up that causes, drop even, the use of the device of also being convenient for simultaneously.

Further, the joint groove is located the one side that is close to the bottleneck of fixed part, and the one end in joint groove has the opening, and the joint groove extends along the circumference of fixed part, and the joint arch is shifted over to the joint inslot and with the cooperation of joint groove joint by the opening. So set up, through rotatory mode with the protruding joint of moving to the joint inslot, above-mentioned operating mode is simple, convenient, can reduce the installation degree of difficulty of device to the installation effectiveness of device has been improved.

Furthermore, the joint groove comprises an avoiding section and a limiting section which are sequentially arranged along the circumferential direction, one end, away from the limiting section, of the avoiding section is provided with an opening, the bottom of the limiting section is lower than the bottom of the avoiding section, the joint protrusion can be limited to move axially by matching with the limiting section, and the joint protrusion can be limited to rotate in the joint groove. Set up like this, in the installation of device, rotate to dodging the section back when the solenoid valve, the solenoid valve can follow the axis and remove to spacing section and with spacing cooperation of section, so can improve the protruding stability after being connected with the joint groove of joint to be favorable to improving the stability of being connected of solenoid valve and bottle.

Further, the fixed part sets up to a plurality ofly, and a plurality of fixed parts enclose the periphery of establishing at the bottleneck, all is provided with a joint groove on every fixed part, and a plurality of joint grooves set up in order along the bellied pivoted direction of joint, and the solenoid valve has a plurality of joints archs, and the joint is protruding to set up with joint groove one-to-one. Through setting up a plurality of joint grooves and a plurality of joint arch, can make being connected of solenoid valve and bottle more firm, also improved the overall structure intensity after the two is connected simultaneously.

Further, the valve assembly further comprises: elasticity pretension piece sets up between solenoid valve and bottle, and elasticity pretension piece can provide axial elastic force to the solenoid valve. So set up, elasticity through elasticity pretension piece can make joint arch on the solenoid valve closely laminate, be connected with the joint groove, can prevent the device because rock and the phenomenon that the joint arch drops from the joint inslot appears, further guaranteed the protruding stability of being connected with the joint groove of joint after.

Further, the bottle is provided with the holding tank, and the holding tank encloses the periphery of establishing at the bottleneck, and the one end of elasticity pretension piece is located the holding tank, the other end and the solenoid valve butt of elasticity pretension piece. Set up like this and to fix a position elasticity pretension piece, guaranteed the degree of accuracy of elasticity pretension piece when the installation, and above-mentioned rational in infrastructure has utilized the space of bottle, required space when can reducing the device installation.

Further, the electromagnetic valve includes: the outer side of the magnetic conduction frame is provided with a clamping bulge; the valve body is arranged on the magnetic conduction frame in a penetrating mode, the valve body is provided with a connecting end and a free end which are arranged oppositely, the connecting end is arranged on the connecting end, the valve port is arranged on the free end, and the connecting end of the valve body is in threaded connection with the bottle opening; and the coil assembly is fixed on the magnetic conduction frame and is arranged around the valve body. Fix valve body and coil pack on the magnetic conduction frame, can connect on the bottle with coil pack and valve body like this to improved the overall structure stability of solenoid valve, and then improved the stability of being connected of solenoid valve and bottle, in addition, can also make compact structure, the volume of essential oil valve less through above-mentioned setting, can realize the miniaturization of device.

Further, the valve body includes: one end of the fixed iron core is arranged in the bottleneck in a penetrating way and is in threaded connection with the bottleneck, and a connector is arranged on the fixed iron core; the other end of the fixed iron core is connected with the shell, the shell is provided with a cavity and a valve port, the connecting port is communicated with the cavity, and the valve port is arranged at the bottom of the shell and is communicated with the cavity; and the movable iron core is movably arranged in the cavity and is used for opening or sealing the valve port. Through setting up above-mentioned structure, the valve body accessible moves the iron core and opens or the shutoff valve port, so can control the flow of essential oil in the bottle to can reduce the extravagant condition of essential oil emergence in the use.

Further, the length of the avoiding section in the axial direction is larger than or equal to the thickness of the clamping protrusion. So set up, can reserve sufficient space for the joint arch to the protruding rotation of joint of being convenient for is to dodging in the section, and then the installation of the solenoid valve of being convenient for has improved the installation effectiveness of solenoid valve.

Further, a reinforcing structure is arranged between the fixing part and the bottle body. So set up, can improve the structural strength of fixed part through additional strengthening to guarantee the stability of device when using for a long time, also be favorable to prolonging the life of device simultaneously.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic cross-sectional view of a valve assembly provided by an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a bottle body provided by an embodiment of the present invention;

FIG. 3 shows a schematic cross-sectional view A-A of FIG. 2;

fig. 4 shows a schematic structural view of a bottle body provided by an embodiment of the present invention;

fig. 5 is a top view of the magnetic conduction frame provided by the embodiment of the present invention;

fig. 6 shows a schematic structural diagram of a valve assembly provided by an embodiment of the present invention;

fig. 7 shows a schematic structural diagram of the magnetic conduction frame provided by the embodiment of the present invention.

Wherein the figures include the following reference numerals:

10. a bottle body; 11. a bottle mouth; 12. a fixed part; 13. an avoidance section; 14. a limiting section; 15. accommodating grooves;

20. an electromagnetic valve; 21. a connecting port; 22. a valve port; 23. clamping the bulges; 24. a magnetic conduction frame; 25. a coil assembly; 26. fixing an iron core; 27. a housing; 28. a movable iron core;

30. an elastic preload member; 40. and (5) reinforcing the structure.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 and 6, the present invention provides a valve assembly including a bottle 10 and a solenoid valve 20. The bottle body 10 is provided with a bottle opening 11, the bottle body 10 is provided with a fixing portion 12, the fixing portion 12 and the bottle opening 11 are located on the same side of the bottle body 10, the fixing portion 12 and the bottle opening 11 are arranged at intervals, a clamping groove is formed in the side wall of the fixing portion 12, the electromagnetic valve 20 is arranged at the bottle opening 11, the electromagnetic valve 20 is provided with a connecting port 21 and a valve port 22 which are communicated with each other, the connecting port 21 is communicated with the bottle opening 11, a clamping protrusion 23 is further arranged on the side portion of the electromagnetic valve 20, and the clamping protrusion 23 is matched with the clamping groove in a clamping mode to limit axial displacement of the electromagnetic valve 20 relative to the bottle body 10.

Use the technical scheme of the utility model, set up fixed part 12 on bottle 10, and be provided with the joint groove on the lateral wall of fixed part 12, be provided with joint arch 23 at the lateral part of solenoid valve 20, through the joint groove with the protruding 23 cooperation of being connected of joint, can make solenoid valve 20 and bottle 10 fixed connection. Set up like this, after solenoid valve 20 and bottle 10 installation are accomplished, with the help of the mutual spacing effort between joint groove and the joint arch 23, reduced the atress condition of bottleneck 11 department effectively, so make the holistic atress of bottle 10 more even, can guarantee the stability after solenoid valve 20 is connected with bottle 10, can prevent because the two because of the phenomenon appearance such as the looseness that the multiple unscrewing or screwing up caused, drop even, the use of the device of also being convenient for simultaneously.

As shown in fig. 2 to 4, the clamping groove is located on one side of the fixing portion 12 close to the bottle mouth 11, an opening is formed in one end of the clamping groove, the clamping groove extends along the circumferential direction of the fixing portion 12, and the clamping protrusion 23 is turned into the clamping groove from the opening and is clamped and matched with the clamping groove. So set up, through rotatory mode with joint arch 23 remove to the joint inslot, above-mentioned operating method is simple, convenient, can reduce the installation degree of difficulty of device to the installation effectiveness of device has been improved. Certainly, in other embodiments of this application, joint arch 23 also can directly move to in the joint groove and with the joint cooperation of joint groove joint, and specific circumstances of setting can be selected according to the service environment of device, so is favorable to improving the application scope of device.

Specifically, the clamping groove comprises an avoiding section 13 and a limiting section 14 which are sequentially arranged along the circumferential direction, an opening is formed in one end, away from the limiting section 14, of the avoiding section 13, the bottom of the limiting section 14 is lower than the bottom of the avoiding section 13, the clamping protrusion 23 can be limited by matching with the limiting section 14 to move in the axial direction of the clamping protrusion 23, and the clamping protrusion 23 can be limited to rotate in the clamping groove. Set up like this, in the installation of device, rotate to dodging section 13 after when solenoid valve 20, solenoid valve 20 can continue to rotate to spacing section 14 in and with spacing 14 spacing cooperation, so can improve the stability behind protruding 23 and the joint groove connection of joint to be favorable to improving the stability of being connected of solenoid valve 20 and bottle 10.

As shown in fig. 5 and 7, in the embodiment of the present application, the end of the clamping protrusion 23 extending into the clamping groove is arc-shaped, and the avoiding section 13 and the limiting section 14 are both set to be rectangular structures, which is simple in structure and easy to process, and can reduce the production cost of the device while meeting the connection and limiting requirements of the electromagnetic valve 20 and the bottle body 10. Certainly, the clamping protrusion 23 can also be set to be a square or trapezoid structure, and the avoiding section 13 and the limiting section 14 can be set to be a mechanism which can limit the clamping protrusion 23 mutually and can meet the limiting requirement of the device.

Further, fixed part 12 sets up to a plurality ofly, and a plurality of fixed parts 12 enclose and establish the periphery at bottleneck 11, all are provided with a joint groove on every fixed part 12, and a plurality of joint grooves set up in order along the bellied 23 pivoted direction of joint, and solenoid valve 20 has a plurality of joint archs 23, and the bellied 23 and the setting of joint groove one-to-one of joint are protruding. Through setting up a plurality of joint grooves and a plurality of joint arch 23, can make being connected of solenoid valve 20 and bottle 10 more firm, also improved the overall structure intensity after the two is connected simultaneously.

In this embodiment, the number of the fixing portions 12 is two, and the two fixing portions 12 are symmetrically disposed along two sides of the bottle opening 11, the number of the clamping protrusions 23 is two, and the two clamping protrusions 23 are symmetrically disposed along two sides of the solenoid valve 20. So set up for the overall arrangement of device is more and reasonable, can make solenoid valve 20's weight distribute to fixed part 12 on evenly simultaneously, thereby makes bottle 10's atress more even, can further reduce the atress condition of bottleneck 11 department, and then has guaranteed the stability after solenoid valve 20 is connected with bottle 10.

Specifically, the valve assembly further includes an elastic preload member 30, the elastic preload member 30 being disposed between the solenoid valve 20 and the bottle 10, the elastic preload member 30 being capable of providing an axial elastic force to the solenoid valve 20. So set up, elasticity through elasticity pretension piece 30 can make the protruding 23 of joint on the solenoid valve 20 closely laminate, be connected with the joint groove, can prevent the device because rock and the protruding 23 phenomenon that drops of joint from the joint inslot appears, further guaranteed the protruding 23 of joint and the stability of joint groove connection back.

Wherein, in the embodiment of this application, elasticity pretension piece 30 specifically is the spring, and above-mentioned simple structure and workable not only can satisfy protruding 23 of joint compress tightly, spacing requirement to the installation is simple, and the dismouting of the device of being convenient for has improved the dismouting efficiency of device. Of course, the elastic preload member 30 may also be an elastic piece as long as the requirement for pre-tightening and limiting the engaging protrusion 23 can be satisfied.

Further, the bottle body 10 is provided with a receiving groove 15, the receiving groove 15 is surrounded on the periphery of the bottle mouth 11, one end of the elastic preload piece 30 is located in the receiving groove 15, and the other end of the elastic preload piece 30 abuts against the solenoid valve 20. The arrangement can position the elastic pre-tightening piece 30, the accuracy of the elastic pre-tightening piece 30 in installation is guaranteed, the structure reasonably utilizes the space of the bottle body 10, and the space required by the installation of the device can be reduced. In addition, can increase the spring number of turns of a certain quantity through setting up above-mentioned structure to can guarantee that the spring has sufficient elastic force, and then can satisfy the spacing requirement of spring to joint arch 23.

Specifically, solenoid valve 20 includes a flux frame 24, a valve body, and a coil assembly 25. Wherein, the outside of magnetic conduction frame 24 is provided with joint arch 23 the valve body wears to establish on magnetic conduction frame 24, and the valve body has link and the free end that sets up relatively, and connector 21 sets up on the link, and valve port 22 sets up on the free end, and the link and the bottleneck 11 threaded connection of valve body, coil pack 25 are fixed on magnetic conduction frame 24, and coil pack 25 encloses the periphery of establishing at the valve body. Fix valve body and coil pack 25 on magnetic conduction frame 24, can connect on bottle 10 with the valve body by coil pack 25 like this to improved solenoid valve 20's overall structure stability, and then improved solenoid valve 20 and bottle 10's stability of being connected, in addition, can also make the compact structure of essential oil valve, the volume is less through above-mentioned setting, can realize the miniaturization of device.

Further, the valve body includes a stationary core 26, a housing 27, and a movable core 28. Wherein, one end of the fixed iron core 26 is arranged in the bottle mouth 11 in a penetrating way and is in threaded connection with the bottle mouth 11, the fixed iron core 26 is provided with a connecting port 21, a shell 27, the other end of the fixed iron core 26 is connected with the shell 27, the shell 27 is provided with a cavity and a valve port 22, the connecting port 21 is communicated with the cavity, the valve port 22 is arranged at the bottom of the shell 27 and is communicated with the cavity, the movable iron core 28 is movably arranged in the cavity, and the movable iron core 28 is used for opening or blocking the valve port 22. Through setting up above-mentioned structure, valve body accessible movable core 28 opens or shutoff valve port 22, so can control the flow of essential oil in the bottle 10 to can reduce the extravagant condition of essential oil emergence in the use.

In the installation process of this embodiment, the fixed iron core 26 is screwed to the bottle mouth 11 through threads, so that the valve body is fixedly connected to the bottle body 10, the elastic pre-tightening member 30 is placed into the accommodating groove 15, and finally the magnetic conduction frame 24 of the assembled solenoid valve is rotated into the limiting section 14 inside the clamping groove, so that the overall assembly of the device can be completed.

Specifically, the length of the avoiding section 13 in the axial direction is L1, and L1 is greater than or equal to the thickness of the clamping protrusion 23. When L1 is smaller than the thickness of the locking projection 23, the locking projection 23 does not have enough space to move into the escape section 13, and the installation requirement of the device cannot be met. Therefore, set up L1 for the thickness that is greater than or equal to joint arch 23, can reserve sufficient space for joint arch 23 to the joint arch 23 of being convenient for is rotatory to dodging in the section 13, and then the installation of the solenoid valve 20 of being convenient for, has improved the installation effectiveness of solenoid valve 20.

Wherein, the length of the limiting section 14 in the axial direction is L2, and L1 is more than or equal to 0.1 mm. When L2 is less than 0.1mm, the protruding 23 of joint is connected the back with spacing section 14, and spacing section 14 can't guarantee that the whole of the protruding 23 of joint is located spacing section 14, when the device rocked, spacing section 14 of the protruding 23 of joint easily takes place to separate and leads to solenoid valve 20 and bottle 10 to produce not hard up phenomenon, so can't guarantee the stability of being connected of solenoid valve 20 and bottle 10. Therefore, the L1 is set to be more than or equal to 0.1mm, so that the clamping bulge 23 can be effectively prevented from falling off from the limiting section 14, and the stability of the device in operation can be ensured.

In addition, the width of the limiting section 14 is L3, the width of the clamping protrusion 23 is L4, and L3 is more than or equal to L4. When L3 is smaller than L4, the clamping protrusion 23 may not have enough space to move from the avoiding section 13 to the limiting section 14, so that the installation requirement of the device cannot be met. Therefore, the L3 is set to be more than or equal to the L4, so that enough space can be reserved for the clamping protrusion 23, the clamping protrusion 23 can move into the avoiding section 13 conveniently, meanwhile, the clamping protrusion 23 can be automatically clamped into the limiting section 14 under the action of the elastic pre-tightening piece 30, and the self-locking function of the device can be realized.

Further, a reinforcing structure 40 is provided between the fixing portion 12 and the bottle body 10. With such an arrangement, the structural strength of the fixing portion 12 can be improved by the reinforcing structure 40, so that the stability of the device in long-term use is ensured, and the service life of the device is prolonged.

Use the technical scheme of the utility model, set up fixed part 12 on bottle 10, and be provided with the joint groove on the lateral wall of fixed part 12, be provided with joint arch 23 at the lateral part of solenoid valve 20, through the joint groove with the protruding 23 cooperation of being connected of joint, can make solenoid valve 20 and bottle 10 fixed connection. Set up like this, after solenoid valve 20 and bottle 10 installation are accomplished, with the help of the mutual spacing effort between joint groove and the joint arch 23, reduced the atress condition of bottleneck 11 department effectively, so make the holistic atress of bottle 10 more even, can guarantee the stability after solenoid valve 20 is connected with bottle 10, can prevent because the two because of the phenomenon such as the looseness that the multiple unscrewing or screwing up caused, drop even, the use of the device of also being convenient for simultaneously. Meanwhile, the reinforcing structure 40 is arranged between the fixing part 12 and the bottle body 10, so that the structural strength of the fixing part 12 can be improved, and the stability of the device in long-term use is ensured.

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 according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.

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.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship 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 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 term "above … …" can include both an orientation of "above … …" and "below … …". 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 the terms do not have special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A valve assembly, characterized in that the valve assembly comprises:

the bottle comprises a bottle body (10) with a bottle opening (11), wherein a fixing part (12) is arranged on the bottle body (10), the fixing part (12) and the bottle opening (11) are positioned on the same side of the bottle body (10), the fixing part (12) and the bottle opening (11) are arranged at intervals, and a clamping groove is formed in the side wall of the fixing part (12);

the electromagnetic valve (20) is arranged at the bottle opening (11), the electromagnetic valve (20) is provided with a connecting port (21) and a valve port (22) which are communicated with each other, the connecting port (21) is communicated with the bottle opening (11), a clamping protrusion (23) is further arranged on the side portion of the electromagnetic valve (20), and the clamping protrusion (23) is in clamping fit with the clamping groove to limit axial displacement of the electromagnetic valve (20) relative to the bottle body (10).

2. The valve assembly according to claim 1, wherein the clamping groove is located on one side of the fixing portion (12) close to the bottle mouth (11), and one end of the clamping groove is provided with an opening, the clamping groove extends along the circumferential direction of the fixing portion (12), and the clamping protrusion (23) rotates into the clamping groove from the opening and is in clamping fit with the clamping groove.

3. The valve assembly according to claim 2, characterized in that the clamping groove comprises an avoiding section (13) and a limiting section (14) which are sequentially arranged along the circumferential direction, one end of the avoiding section (13) far away from the limiting section (14) is provided with the opening, the bottom of the limiting section (14) is lower than the bottom of the avoiding section (13), and the clamping protrusion (23) and the limiting section (14) are matched to limit the axial displacement of the clamping protrusion (23) and limit the rotation of the clamping protrusion (23) in the clamping groove.

4. The valve assembly according to claim 2, wherein the fixing portion (12) is provided in plural, the fixing portions (12) are provided around the periphery of the bottle opening (11), each fixing portion (12) is provided with one of the clamping grooves, the clamping grooves are sequentially provided along a rotation direction of the clamping protrusion (23), the solenoid valve (20) is provided with a plurality of the clamping protrusions (23), and the clamping protrusions (23) and the clamping grooves are provided in one-to-one correspondence.

5. The valve assembly of claim 1, further comprising:

the elastic preload piece (30) is arranged between the electromagnetic valve (20) and the bottle body (10), and the elastic preload piece (30) can provide axial elastic force for the electromagnetic valve (20).

6. Valve assembly according to claim 5, wherein the bottle body (10) is provided with a receiving groove (15), the receiving groove (15) is arranged around the periphery of the bottle mouth (11), one end of the elastic preload member (30) is arranged in the receiving groove (15), and the other end of the elastic preload member (30) is abutted with the solenoid valve (20).

7. The valve assembly according to claim 1, characterized in that the solenoid valve (20) comprises:

the magnetic conduction frame (24), the outside of the magnetic conduction frame (24) is provided with the clamping bulge (23);

the valve body penetrates through the magnetic conduction frame (24), the valve body is provided with a connecting end and a free end which are arranged oppositely, the connecting end (21) is arranged on the connecting end, the valve port (22) is arranged on the free end, and the connecting end of the valve body is in threaded connection with the bottle opening (11);

and the coil assembly (25) is fixed on the magnetic conduction frame (24), and the coil assembly (25) is arranged around the periphery of the valve body.

8. The valve assembly of claim 7, wherein the valve body comprises:

one end of the fixed iron core (26) penetrates through the bottle mouth (11) and is in threaded connection with the bottle mouth (11), and the fixed iron core (26) is provided with the connecting port (21);

a housing (27), wherein the other end of the fixed iron core (26) is connected with the housing (27), the housing (27) is provided with a cavity and the valve port (22), the connecting port (21) is communicated with the cavity, and the valve port (22) is arranged at the bottom of the housing (27) and is communicated with the cavity;

the movable iron core (28) is movably arranged in the cavity, and the movable iron core (28) is used for opening or sealing the valve port (22).

9. A valve assembly according to claim 3, characterized in that the length of the escape segment (13) in the axial direction is greater than or equal to the thickness of the snap-in projection (23).

10. A valve assembly according to claim 1, wherein a reinforcing structure (40) is provided between the fixing portion (12) and the bottle body (10).