CN115388230A

CN115388230A - Control valve assembly

Info

Publication number: CN115388230A
Application number: CN202110574347.7A
Authority: CN
Inventors: 俞舟; 冯忠波; 康志军
Original assignee: Dunan Environment Technology Co Ltd
Current assignee: Dunan Environment Technology Co Ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2022-11-25

Abstract

The present invention provides a control valve assembly comprising: the bottle cap comprises a cap body and a bottle cap, wherein the cap body is provided with a liquid inlet, a liquid outlet and a first circulation channel, the liquid inlet and the liquid outlet are respectively communicated with the first circulation channel, the cap body is provided with a connecting structure, the cap body can be connected with a bottle opening of a bottle body through the connecting structure, the liquid inlet is used for being communicated with the bottle opening, and the first circulation channel is always in a circulation state; and the electromagnetic valve component is connected with the cover body and is provided with a valve port, the valve port is communicated with the liquid outlet, and the electromagnetic valve component can control the flow of the valve port. Through the technical scheme that this application provided, can solve among the prior art to the uncontrollable problem of essential oil outflow.

Description

Control valve assembly

Technical Field

The invention relates to the technical field of valve bodies, in particular to a control valve assembly.

Background

At present, in order to make the air fresh and improve user experience, add the essential oil bottle on current champignon machine or the air conditioner to volatilize essential oil to the air in. The essential oil bottles of this type of product are usually placed upside down in the apparatus and are opened or closed in use by a valve body to allow the liquid to flow out of the bottle. The valve body in the existing scheme is only of a switch structure, the outflow of essential oil cannot be controlled, and the influence on the use experience is realized.

Disclosure of Invention

The invention provides a control valve assembly, which aims to solve the problem that the outflow of essential oil cannot be controlled in the prior art.

The present invention provides a control valve assembly comprising: the bottle cap comprises a cap body and a bottle cap, wherein the cap body is provided with a liquid inlet, a liquid outlet and a first circulation channel, the liquid inlet and the liquid outlet are respectively communicated with the first circulation channel, the cap body is provided with a connecting structure, the cap body can be connected with a bottle opening of a bottle body through the connecting structure, the liquid inlet is used for being communicated with the bottle opening, and the first circulation channel is always in a circulation state; the electromagnetic valve assembly is connected with the cover body and is provided with a valve port which is communicated with the liquid outlet, and the electromagnetic valve assembly can control the flow of the valve port.

Further, the solenoid valve assembly includes: the fixed iron core is provided with a flow channel which runs through the fixed iron core, the coil is arranged on the fixed frame in a surrounding mode and located at the periphery of the fixed iron core, a second circulation channel which runs through the fixed iron core is arranged in the middle of the fixed frame, part of the fixed iron core is fixed in the second circulation channel, one end of the flow channel is used for being communicated with a liquid outlet, the other end of the flow channel is communicated with the second circulation channel, the movable iron core is movably arranged in the second circulation channel, and the movable iron core is used for controlling the circulation area of the valve port.

Furthermore, a lining is embedded in the fixing frame and made of a magnetic conduction material.

Further, the fixing frame is made of plastic materials, and the fixing frame and the lining are formed into an integral structure through injection molding.

Further, the bushing includes: the first end of the arc plate and the second end of the arc plate are arranged at intervals to form an injection flow inlet; the backup pad, the backup pad extends along vertical direction, and the backup pad inlays to be established in the mount, and the backup pad is a plurality of, and a plurality of backup pad intervals set up on the arc, and the backup pad inlays to be established in the mount.

Further, the fixing frame includes: the first plate body and the second plate body are arranged at intervals, the first plate body is positioned above the second plate body, and a lead outlet is formed in the second plate body; the spliced pole sets up between first plate body and second plate body.

Further, the solenoid valve assembly further comprises: the fixed frame and the fixed iron core are all arranged on the magnetic conduction frame, a flow guide part is arranged at the valve port, a flow guide channel in the flow guide part is communicated with the valve port, and at least part of the flow guide channel extends out of the magnetic conduction frame.

Furthermore, the magnetic conduction frame comprises a first mounting plate, a second mounting plate and a third mounting plate which are sequentially connected, a mounting space is surrounded by the first mounting plate, the second mounting plate and the third mounting plate, and at least part of the fixing frame and at least part of the fixed iron core are positioned in the mounting space; the first mounting plate is located above the third mounting plate, a first mounting portion is arranged on the first mounting plate, a second mounting portion is arranged on the third mounting plate, the fixed iron core is clamped in the first mounting portion, and the fixed frame is clamped in the second mounting portion.

Further, the fixed iron core includes first section and the second section of connecting in order, and the external diameter of first section is less than the external diameter of second section, and the one end of keeping away from the second section of first section is provided with first annular seal groove, is provided with the external screw thread on the lateral wall of first section, and one side that first section is close to the second section is provided with the tangent plane structure, and the constant head tank is prevented revolving by tangent plane structure formation, prevents that revolving the constant head tank card is established in first installation department, is provided with the mounting groove on the second section, is provided with the sealing washer in the mounting groove.

Further, the solenoid valve assembly further comprises: and the reset spring is positioned between the fixed iron core and the movable iron core, is connected with the movable iron core and is used for keeping the movable iron core at the position of the valve port.

Further, the solenoid valve assembly further comprises: the sleeve pipe is installed in second circulation passageway, and sheathed tube one end is connected with deciding the iron core, and the sheathed tube other end stretches out downwards in the second circulation passageway outside, and the sleeve pipe is kept away from the one end of deciding the iron core and is provided with the circulation mouth.

Furthermore, one end of the sleeve, which is far away from the fixed iron core, is a conical end, the flow area of the conical end is gradually reduced along the direction of the sleeve, and the port of the conical end forms a valve port.

Further, the solenoid valve assembly further comprises: the valve seat is installed at one end, far away from the fixed iron core, of the sleeve, and a valve port is arranged on the valve seat.

Further, the connecting structure comprises an internal thread, an annular groove is formed in the cover body, the internal thread is arranged on the side wall of the annular groove and used for being in threaded connection with the bottle opening, a communication hole is formed in the middle of the cover body and located in the inner ring of the annular groove, the liquid inlet is formed in the cover body, and the liquid inlet is communicated with the communication hole.

Further, be provided with inlet channel on the lid, inlet channel's one end and external intercommunication, inlet channel's the other end be used for with the inside intercommunication of bottle.

Further, the solenoid valve assembly further comprises: the lengthening pipe is sleeved at one end of the sleeve far away from the fixed iron core.

By applying the technical scheme of the invention, the control valve component comprises a cover body and the electromagnetic valve component, wherein the electromagnetic valve component is connected with the cover body, the valve port is communicated with the liquid outlet, and the flow of the valve port is controlled by using the electromagnetic valve component, so that the flow of the liquid can be accurately controlled. When in use, the cover body is only connected to the corresponding bottle body, and the bottle cap is simple in structure and convenient to produce, disassemble and assemble.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, 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 illustrates a schematic structural diagram of a first embodiment of a control valve assembly provided in accordance with the present invention;

fig. 2 shows a schematic view of the structure of the cover in fig. 1;

FIG. 3 shows an exploded view of a mount provided in accordance with the present invention in connection with a bushing;

FIG. 4 shows a cross-sectional view of a mount provided in accordance with the present invention in connection with a bushing;

fig. 5 shows a schematic structural view of a magnetic conduction frame provided according to the present invention;

fig. 6 shows a further structural schematic of a flux guide provided in accordance with the present invention;

fig. 7 is a schematic view showing a structure of the stator core of fig. 1;

FIG. 8 illustrates a schematic structural diagram of a second embodiment of a control valve assembly provided in accordance with the present invention;

FIG. 9 is a schematic diagram showing the construction of the plunger of FIG. 8;

FIG. 10 illustrates another structural schematic of a solenoid operated valve assembly provided in accordance with the present invention;

FIG. 11 illustrates another structural schematic of a solenoid operated valve assembly provided in accordance with the present invention;

FIG. 12 illustrates another schematic structural view of a solenoid operated valve assembly provided in accordance with the present invention.

Wherein the figures include the following reference numerals:

10. a cover body; 10a, a liquid inlet; 10b, a liquid outlet; 10c, a connecting structure; 10d, an air inlet channel; 11. an annular groove; 12. a communicating hole;

20. a solenoid valve assembly; 20a, a valve port; 21. a fixed mount; 211. a first plate body; 212. a second plate body; 213. connecting columns; 21a, a lead outlet; 22. a coil; 23. a movable iron core; 231. a flow-through hole; 232. a second annular seal groove; 24. a return spring; 25. a magnetic conduction frame; 251. a first mounting plate; 252. a second mounting plate; 253. a third mounting plate; 25a, a first mounting portion; 25b, a second mounting portion; 26. a bushing; 261. an arc-shaped plate; 262. a support plate; 27. a sleeve; 28. a valve seat; 29. lengthening a pipe;

30. fixing an iron core; 30a, a flow channel; 30b, a first annular seal groove; 31. a first stage; 311. cutting the structure of a section; 32. a second section; 321. mounting grooves;

40. a seal ring; 50. and (4) a bottle body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 and 2, the present application provides a control valve assembly comprising: a cover 10 and a solenoid valve assembly 20. The cap 10 has a liquid inlet 10a, a liquid outlet 10b and a first flow channel, the liquid inlet 10a and the liquid outlet 10b are respectively communicated with the first flow channel, the cap 10 has a connecting structure 10c, the cap 10 can be connected with a bottle mouth of a bottle body through the connecting structure 10c, and the liquid inlet 10a is used for being communicated with the bottle mouth. Wherein, the first circulation channel is always in a circulation state. The connection structure may be a screw structure, an insertion structure, or the like, and connects the liquid inlet 10a with the bottle mouth, so that the liquid in the bottle body 50 can flow out from the liquid outlet 10b through the bottle mouth and the liquid inlet 10 a. The solenoid valve assembly 20 is connected to the cover 10, the solenoid valve assembly 20 has a valve port 20a, the valve port 20a is communicated with the liquid outlet 10b, and the flow rate of the valve port 20a can be controlled by the solenoid valve assembly 20, so as to control the liquid flow rate in the bottle 50.

Through the technical scheme that this application provided, be connected solenoid valve subassembly 20 with lid 10, with valve port 20a and liquid outlet 10b intercommunication, utilize solenoid valve subassembly 20 direct control valve port 20 a's flow size, so can carry out accurate control to the flow of liquid to can simplify the device structure, be convenient for carry out flow control. When in use, the cover 10 is only connected to the corresponding bottle 50, and the structure is simple and the production and the disassembly and assembly are convenient.

Specifically, the solenoid valve assembly 20 includes: the fixed iron core 30 is provided with a flow channel 30a arranged in a penetrating manner, the coil 22 is arranged on the fixed frame 21 in a surrounding manner and is positioned at the periphery of the fixed iron core 30, a second flow channel arranged in a penetrating manner is arranged in the middle of the fixed frame 21, a part of the fixed iron core 30 is fixed in the second flow channel, one end of the flow channel 30a is used for being communicated with the liquid outlet 10b, the other end of the flow channel 30a is communicated with the second flow channel, the movable iron core 23 is movably arranged in the second flow channel, and the movable iron core 23 is used for controlling the flow area of the valve port 20a. When in use, the coil 22 is energized to generate a magnetic force on the fixed iron core 30, the fixed iron core 30 attracts the movable iron core 23 to move by the magnetic force, and the opening size of the valve port 20a is controlled by controlling the displacement of the movable iron core 23, thereby controlling the fluid flow rate.

In this embodiment, the solenoid valve assembly 20 is connected to the cover 10 through the fixed iron core 30, specifically, the fixed iron core 30 is provided with an external thread, the cover 10 is provided with an internal thread at the liquid outlet 10b, and the fixed iron core 30 is connected to the cover 10 through a thread structure.

In this embodiment, the connecting structure 10c includes an internal thread, the cover 10 is provided with an annular groove 11, and a side wall of the annular groove 11 is provided with an internal thread, and the internal thread is used for being in threaded connection with the bottle mouth. The cover 10 has a communication hole 12 in the middle thereof at the inner periphery of the annular groove 11, a liquid inlet 10a is provided in the cover 10, and the liquid inlet 10a communicates with the communication hole 12. Specifically, the liquid inlet 10a is a diverging structure to throttle the liquid therethrough.

Wherein, an air inlet channel 10d is arranged on the cover body 10, one end of the air inlet channel 10d is communicated with the outside, and the other end of the air inlet channel 10d is used for being communicated with the inside of the bottle body. By providing the air inlet passage 10d, the pressure difference between the inside of the bottle 50 and the outside can be reduced, and the liquid can smoothly flow out of the bottle 50. In order to improve the air intake effect and prevent the liquid in the bottle 50 from flowing out of the air intake channel 10d, an air intake pipe may be provided to communicate the air intake pipe with the air intake channel 10d and extend the air intake pipe toward the bottom of the bottle.

As shown in fig. 3 and 4, a bushing 26 is embedded in the fixing frame 21, and the bushing 26 is made of a magnetic conductive material. By adopting the structure, the magnetic conductivity of the structure can be improved conveniently.

Wherein, the fixing frame 21 is made of plastic material, and the fixing frame 21 and the lining 26 are formed into an integral structure by injection molding. By adopting the structure, the production and the manufacture are convenient. Specifically, the bushing 26 is positioned in a cavity of a mold during production, and then a liquid plastic material is injected into the cavity, and then the mold is cooled to form the bushing 26 and the fixing frame 21 into an integral structure.

In the present embodiment, the bushing 26 includes: an arcuate plate 261 and a support plate 262. Wherein, the arc plate 261 is located the tip of mount 21, and the first end of arc plate 261 sets up with the second end interval of arc plate 261 in order to form the inflow mouth of moulding plastics. With the structure, the liquid plastic material can smoothly flow into and wrap the lining 26 through the injection flow inlet, so that the plastic material can be integrally formed. The supporting plate 262 extends along the vertical direction, the supporting plate 262 is embedded in the fixing frame 21, the supporting plate 262 is multiple, the supporting plates 262 are arranged on the arc-shaped plate 261 at intervals, and the supporting plate 262 is embedded in the fixing frame 21. Adopt the backup pad 262 that a plurality of intervals set up, can be convenient for make liquid plastic material smoothly flow in to the clearance department of two adjacent backup pads 262 to integrated into one piece is convenient for also improve overall structure's structural strength simultaneously.

Wherein, mount 21 includes: a first board 211, a second board 212, and a connection column 213. The first plate body 211 and the second plate body 212 are disposed at an interval, the first plate body 211 is located above the second plate body 212, and the second plate body 212 is provided with a wire outlet 21a. The connection column 213 is disposed between the first board body 211 and the second board body 212. With this arrangement, the coil 22 is wound around the connecting column 213, and the lead is led out from the lead outlet 21a of the second plate 212, so as to perform wire arranging. Specifically, in the actual installation process, a layer of encapsulation structure needs to be arranged on the outer side of the coil 22, the existence of the encapsulation structure can block the coil 22 from being led out from the encapsulation structure, the coil 22 can be led out from the lead outlet 21a to avoid the encapsulation structure, and the outgoing line can be conveniently led out to a required position.

As shown in fig. 5 and 6, the solenoid valve assembly 20 further includes a magnetic frame 25, the fixing frame 21 and the fixed core 30 are both mounted on the magnetic frame 25, a flow guiding portion is disposed at the valve port 20a, a flow guiding channel in the flow guiding portion is communicated with the valve port 20a, and at least a portion of the flow guiding channel extends out of the magnetic frame 25. By adopting the structure, the flow guiding part can guide the flow conveniently, and at least part of the flow guiding channel extends out of the magnetic conduction frame 25, so that the flow guiding channel can be connected with other liquid channels conveniently.

Specifically, the magnetic conduction frame 25 includes a first mounting plate 251, a second mounting plate 252 and a third mounting plate 253 that are connected in sequence, the first mounting plate 251, the second mounting plate 252 and the third mounting plate 253 enclose a mounting space, and at least part of the fixed frame 21 and at least part of the fixed core 30 are located in the mounting space. The first mounting plate 251 is located above the third mounting plate 253, the first mounting portion 25a is disposed on the first mounting plate 251, the second mounting portion 25b is disposed on the third mounting plate 253, the fixed iron core 30 is clamped in the first mounting portion 25a, and the fixed frame 21 is clamped in the second mounting portion 25 b. By adopting the structure, the installation of the electromagnetic valve component can be facilitated, and the stable positioning of the fixed iron core is also facilitated. The first and second mounting

portions

25a and 25b may have a hole structure or a groove structure. Providing the first mounting portion 25a and the second mounting portion 25b as a slot-type structure having an opening can facilitate mounting of the fixed frame 21 and the fixed core 30 to the yoke 25. The first mounting portion 25a and the second mounting portion 25b are provided as through holes, so that the closed area can be increased, and the magnetic conductivity can be improved.

As shown in fig. 7, the fixed core 30 includes a first section 31 and a second section 32 connected in sequence, an outer diameter of the first section 31 is smaller than an outer diameter of the second section 32, an end of the first section 31 away from the second section 32 is provided with a first annular seal groove 30b, and the first annular seal groove 30b is used for being matched and sealed with the cover 10 to prevent liquid from leaking from the liquid outlet 10 b. The side wall of the first section 31 is provided with an external thread, and the cover 10 is provided with an internal thread, so that the fixed iron core 30 is in threaded connection with the cover 10. One side of the first section 31 close to the second section 32 is provided with a tangent plane structure 311, the tangent plane structure 311 forms an anti-rotation positioning slot, the anti-rotation positioning slot is clamped at the first mounting portion 25a, and the fixed iron core 30 can be prevented from rotating relative to the magnetic conduction frame 25 through the structure. The second section 32 is provided with a mounting groove 321, and a sealing ring 40 is arranged in the mounting groove 321. The installation groove 321 and the sealing ring 40 are arranged to prevent the liquid from flowing out from the gap between the fixed iron core 30 and the fixed frame 21.

The flow passage 30a of the fixed core 30 may penetrate both ends of the fixed core 30, or the inlet of the flow passage 30a may be provided at the side of the fixed core 30, and the outlet of the flow passage 30a may be provided at the end of the fixed core 30, as long as the liquid can flow from the liquid outlet 10b to the valve port 20a.

The solenoid valve assembly 20 further comprises a return spring 24, the return spring 24 is located between the plunger 30 and the plunger 23, the return spring 24 is connected to the plunger 23, and the return spring 24 is used for keeping the plunger 23 at the position of the valve port 20a. In the present embodiment, a third flow passage is provided in the plunger 23, and the return spring 24 is provided in the third flow passage, and it is necessary to overcome the elastic force of the return spring 24 when the plunger 23 opens the valve port 20a. When the solenoid valve assembly 20 stops operating, the return spring 24 can push the plunger 23 to the valve port 20a by using elastic force, so that the valve port 20a is in a closed state.

As shown in fig. 8, a second embodiment of the present application provides a solenoid valve assembly 20, which is different from the first embodiment in that the solenoid valve assembly 20 further includes a sleeve 27, the sleeve 27 is installed in the second flow channel, one end of the sleeve 27 is connected to the fixed iron core 30, the other end of the sleeve 27 protrudes downward outside the second flow channel, and one end of the sleeve 27 away from the fixed iron core 30 is provided with a flow port. By arranging the sleeve 27, an installation space can be provided for the movable iron core 23, so that the thicknesses of the fixed frame 21 and the magnetic conduction frame 25 can be reduced, and the overall size of the device can be further reduced.

As shown in fig. 9, the movable iron core 23 has a body section and a necking section connected with each other, the body section is located between the necking section and the fixed iron core 30, the movable iron core 23 is provided with a flow hole 231, an inflow end of the flow hole 231 is located at an end of the body section close to the fixed iron core 30, and an outflow end of the flow hole 231 is located on a side wall of the necking section, so that the liquid can flow out from the inside of the movable iron core 23. And, set up second annular seal groove 232 on the outer wall of undergauge section, can set up the sealing washer in second annular seal groove 232 to improve sealed effect.

The valve port 20a may be disposed at an end of the sleeve 27, or may be disposed in the sleeve 27. In this embodiment, the end of the sleeve 27 away from the fixed core 30 is a tapered end, and the flow area of the tapered end gradually decreases along the direction away from the fixed core 30, and the port of the tapered end forms the valve port 20a.

In yet another embodiment provided by the present application, as shown in fig. 10, the solenoid valve assembly 20 further includes a valve seat 28, the valve seat 28 is mounted on an end of the sleeve 27 far from the plunger 30, and the valve seat 28 is provided with a valve port 20a. The sleeve 27 in this embodiment is a straight pipe section structure, and one end of the sleeve 27 is sleeved on the fixed iron core 30. The valve seat 28 is installed at the other end of the sleeve 27, and the valve port 20a is in a bell-mouth structure. With such a structure, the valve can be easily mounted and dismounted, and the flow rate of the liquid at the valve port 20a can be easily increased.

In a further embodiment provided by the present application, as shown in fig. 11 and 12, the solenoid valve assembly 20 further includes an elongated tube 29, and the elongated tube 29 is sleeved on an end of the sleeve 27 far away from the plunger 30. By providing the extension tube 29, the length of the tube can be extended, so that the valve port 20a can be connected to other tubes through the extension tube 29. The structure of the extension tube 29 may be changed according to the structure of the sleeve 27, and the extension tube 29 may be a straight tube section, a stepped tube, or a tapered tube section disposed in the middle, as long as it can be conveniently connected to the end of the sleeve 27.

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.

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 unless specifically stated otherwise. 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, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, 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 simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over 8230," "upper surface," "above," and the like may be used herein to describe the spatial positional relationship of one device or feature to other devices or features 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 terms "at 8230; \8230; above" may include both orientations "at 8230; \8230; above" and "at 8230; \8230; 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 have no 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 control valve assembly, comprising:

the bottle cap comprises a cap body (10) and a bottle cap body, wherein the cap body (10) is provided with a liquid inlet (10 a), a liquid outlet (10 b) and a first circulation channel, the liquid inlet (10 a) and the liquid outlet (10 b) are respectively communicated with the first circulation channel, the cap body (10) is provided with a connecting structure (10 c), the cap body (10) can be connected with a bottle mouth of a bottle body through the connecting structure (10 c), the liquid inlet (10 a) is used for being communicated with the bottle mouth, and the first circulation channel is always in a circulation state;

the electromagnetic valve assembly (20) is connected with the cover body (10), the electromagnetic valve assembly (20) is provided with a valve port (20 a), the valve port (20 a) is communicated with the liquid outlet (10 b), and the electromagnetic valve assembly (20) can control the flow of the valve port (20 a).

2. The control valve assembly of claim 1, wherein the solenoid valve assembly (20) comprises: the valve comprises a fixed iron core (30), a fixed frame (21), a coil (22) and a movable iron core (23), wherein the fixed iron core (30) is provided with a flow channel (30 a) which is arranged in a penetrating mode, the coil (22) is arranged on the fixed frame (21) in a surrounding mode and located on the periphery of the fixed iron core (30), a second flow channel which is arranged in a penetrating mode is arranged in the middle of the fixed frame (21), part of the fixed iron core (30) is fixed in the second flow channel, one end of the flow channel (30 a) is used for being communicated with a liquid outlet (10 b), the other end of the flow channel (30 a) is communicated with the second flow channel, the movable iron core (23) is movably arranged in the second flow channel, and the movable iron core (23) is used for controlling the flow area of the valve port (20 a).

3. Control valve assembly according to claim 2, characterized in that the holder (21) is provided with a bushing (26) embedded therein, the bushing (26) being made of a magnetically conductive material.

4. Control valve assembly according to claim 3, characterized in that the holder (21) is made of a plastic material, the holder (21) and the bushing (26) being formed as a one-piece structure by injection moulding.

5. The control valve assembly of claim 3, wherein the bushing (26) comprises:

the arc-shaped plate (261) is located at the end part of the fixing frame (21), and a first end of the arc-shaped plate (261) and a second end of the arc-shaped plate (261) are arranged at intervals to form an injection molding inflow port;

backup pad (262), backup pad (262) extend along vertical direction, backup pad (262) inlay to be established in mount (21), backup pad (262) are a plurality of, and are a plurality of backup pad (262) interval sets up on arc (261), backup pad (262) inlay to be established in mount (21).

6. Control valve assembly according to claim 5, characterized in that the fixing frame (21) comprises:

the device comprises a first plate body (211) and a second plate body (212), wherein the first plate body (211) and the second plate body (212) are arranged at intervals, the first plate body (211) is positioned above the second plate body (212), and a wire outlet (21 a) is formed in the second plate body (212);

a connection column (213) disposed between the first plate body (211) and the second plate body (212).

7. The control valve assembly of claim 2, wherein the solenoid valve assembly (20) further comprises:

the fixed frame (21) and the fixed iron core (30) are both mounted on the magnetic frame (25), a flow guide part is arranged at the valve port (20 a), a flow guide channel in the flow guide part is communicated with the valve port (20 a), and at least part of the flow guide channel extends out of the magnetic frame (25).

8. The control valve assembly according to claim 7, wherein the magnetic conduction frame (25) comprises a first mounting plate (251), a second mounting plate (252) and a third mounting plate (253) which are connected in sequence, the first mounting plate (251), the second mounting plate (252) and the third mounting plate (253) enclose a mounting space, and at least part of the fixed frame (21) and at least part of the fixed core (30) are positioned in the mounting space;

wherein, first mounting panel (251) are located the top of third mounting panel (253), be provided with first installation department (25 a) on first mounting panel (251), be provided with second installation department (25 b) on third mounting panel (253), decide iron core (30) card and establish in first installation department (25 a), mount (21) card is established in the second installation department (25 b).

9. The control valve assembly according to claim 8, wherein the fixed core (30) comprises a first section (31) and a second section (32) which are connected in sequence, the outer diameter of the first section (31) is smaller than that of the second section (32), one end of the first section (31) far away from the second section (32) is provided with a first annular sealing groove (30 b), the side wall of the first section (31) is provided with an external thread, one side of the first section (31) close to the second section (32) is provided with a tangent plane structure (311), the tangent plane structure (311) forms an anti-rotation positioning groove, the anti-rotation positioning groove is clamped at the first mounting part (25 a), the second section (32) is provided with a mounting groove (321), and a sealing ring (40) is arranged in the mounting groove (321).

10. The control valve assembly of claim 2, wherein the solenoid valve assembly (20) further comprises:

the return spring (24) is positioned between the fixed iron core (30) and the movable iron core (23), the return spring (24) is connected with the movable iron core (23), and the return spring (24) is used for keeping the movable iron core (23) at the position of the valve port (20 a).

11. The control valve assembly of claim 2, wherein the solenoid valve assembly (20) further comprises:

sleeve pipe (27), install in the second circulation passageway, the one end of sleeve pipe (27) with decide iron core (30) and connect, the other end of sleeve pipe (27) stretch out downwards in the second circulation passageway outside, sleeve pipe (27) are kept away from the one end of deciding iron core (30) is provided with the circulation mouth.

12. The control valve assembly according to claim 11, wherein an end of the sleeve (27) remote from the stationary core (30) is a tapered end having a gradually decreasing flow area in a direction away from the stationary core (30), a port of the tapered end forming the valve port (20 a).

13. The control valve assembly of claim 11, wherein the solenoid valve assembly (20) further comprises:

and the valve seat (28) is installed at one end of the sleeve (27) far away from the fixed iron core (30), and the valve port (20 a) is arranged on the valve seat (28).

14. The control valve assembly according to claim 1, wherein the connecting structure (10 c) includes an internal thread, an annular groove (11) is provided on the cover body (10), the internal thread is provided on a side wall of the annular groove (11), the internal thread is used for screw-connecting with the bottle mouth, a communication hole (12) is provided in a middle portion of the cover body (10) and is located at an inner ring of the annular groove (11), the liquid inlet (10 a) is provided on the cover body (10), and the liquid inlet (10 a) is communicated with the communication hole (12).

15. The control valve assembly according to claim 1, wherein the cover body (10) is provided with an air inlet passage (10 d), one end of the air inlet passage (10 d) is communicated with the outside, and the other end of the air inlet passage (10 d) is used for being communicated with the inside of the bottle body.

16. The control valve assembly of claim 11, wherein the solenoid valve assembly (20) further comprises:

and the lengthened pipe (29) is sleeved at one end of the sleeve (27) far away from the fixed iron core (30).