CN215330301U

CN215330301U - Anti-siphon structure of intelligent closestool solenoid valve

Info

Publication number: CN215330301U
Application number: CN202121947197.1U
Authority: CN
Inventors: 陈志杰; 陈浩珀
Original assignee: Zhejiang Huitong Valve Industry Co ltd
Current assignee: Zhejiang Huitong Valve Industry Co ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2021-12-28
Anticipated expiration: 2031-08-18

Abstract

The utility model provides an anti-siphon structure of an intelligent closestool electromagnetic valve, which comprises: the valve body is provided with a main valve cavity, and a water inlet and a first water outlet which are communicated with the main valve cavity; the air inlet cavity is provided with an air inlet hole communicated with the anti-siphon port and an anti-siphon column suitable for sealing the air inlet hole, and the inner wall of the air inlet cavity is formed with at least one air outlet groove or a first air outlet hole communicated with the main valve cavity. Go out the air chute and increased the area of intercommunication of air inlet chamber and main valve chamber, be favorable to the outside air to get into fast, compare with prior art, even the volume of air inlet chamber sets to less like this, also can guarantee that the outside air gets into fast, is favorable to the miniaturization of product, and the horse-lowering barrel body is long-pending to be set to less, has reduced its manufacturing cost.

Description

Anti-siphon structure of intelligent closestool solenoid valve

Technical Field

The utility model relates to the technical field of electromagnetic valves, in particular to an anti-siphon structure of an intelligent closestool electromagnetic valve.

Background

An electromagnetic valve of an existing intelligent toilet is generally provided with an anti-siphon structure, as shown in fig. 11, the anti-siphon structure comprises an anti-siphon sealing rod 03 and a spring 04 which are installed at an air inlet cavity 01 and a main valve cavity 02, an installation column 05 is arranged in the middle of the air inlet cavity 01, a through hole for the anti-siphon sealing rod to penetrate through is formed in the middle of the installation column 05, the anti-siphon sealing rod 03 is arranged in the air inlet cavity 01 in a sliding mode along the axial direction of the air inlet cavity 01, a blocking piece 06 capable of abutting against the top of the installation column 05 is arranged at the upper end of the anti-siphon sealing rod, a sealing pad 07 capable of sealing the air inlet cavity 01 and the main valve cavity 02 is arranged at the lower end of the anti-siphon sealing rod, and the spring 04 is arranged between the blocking piece 06 and an inner side step of the installation column 05. A gap is formed between the anti-siphon sealing rod 03 and the inner wall of the mounting column 05, and the anti-siphon sealing rod 03 is provided with a first position for communicating the air inlet cavity 01 with the main valve cavity 02 and a second position for isolating the air inlet cavity 01 from the main valve cavity 02. Wherein, in normal use, the anti-siphon sealing rod 03 is in the second position; when the closestool is blocked or stops water, negative pressure can be formed inside the closestool, at the moment, the anti-siphon sealing rod 03 moves to the first position from the second position under the action of the external atmospheric pressure, and the external air enters the main valve cavity 02 inside the closestool from the air inlet cavity 01, so that the internal and external pressures are kept balanced, and the suck-back phenomenon is avoided. In order to ensure that the external air can rapidly enter the main valve cavity 02 through the gap between the anti-siphon sealing rod 03 and the inner wall of the mounting column 05, the gap needs to be set to be larger, so that the volume of the air inlet cavity 01 is correspondingly enlarged, and the miniaturization of a product is not facilitated.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to overcome the defects of large volume of an air inlet cavity and large product volume in the prior art, and provides a miniature anti-siphon structure of an intelligent closestool electromagnetic valve.

Therefore, the utility model provides an anti-siphon structure of an intelligent closestool electromagnetic valve, which comprises a valve body and an air inlet cavity, wherein the valve body is provided with a main valve cavity, a water inlet and a first water outlet, and the water inlet and the first water outlet are communicated with the main valve cavity; the anti-siphon valve comprises an air inlet cavity and an anti-siphon column, wherein the air inlet cavity is provided with an air inlet hole communicated with an anti-siphon port, the anti-siphon column is suitable for sealing the air inlet hole, and at least one air outlet groove or a first air outlet hole communicated with the main valve cavity is formed in the inner wall of the air inlet cavity.

The air outlet grooves or the first air outlet holes are multiple and are distributed at intervals along the inner wall of the air inlet cavity.

The air inlet is arranged at the top of the air inlet cavity.

One side of the air inlet cavity, which is far away from the air inlet hole, is provided with a stop block suitable for limiting the position of the anti-siphon column, the middle part of the stop block is provided with a through hole, and the anti-siphon column is provided with a sealing part suitable for sealing the air inlet hole and a guide rod part arranged in the through hole in a penetrating way.

The check block passes through buckle structure with the assembly of chamber inner wall admits air, buckle structure is including locating the check block with the draw-in groove of chamber inner wall one side admits air to and locate the other party can with the elasticity buckle of draw-in groove elasticity joint.

The stop block is in threaded connection with the inner wall of the air inlet cavity.

And a spring is arranged between the sealing part and the stop block.

The stop block is provided with a second air outlet hole which penetrates through the stop block and is used for communicating the air inlet cavity with the main valve cavity.

The technical scheme of the utility model has the following advantages:

1. according to the anti-siphon structure of the intelligent closestool electromagnetic valve, the air inlet cavity is provided with the air inlet communicated with the anti-siphon port, and the inner wall of the air inlet cavity is provided with the at least one air outlet groove or the first air outlet hole communicated with the main valve cavity in a forming mode, so that the communication area of the air inlet cavity and the main valve cavity is increased, and the quick entering of external air is facilitated.

2. According to the anti-siphon structure of the intelligent closestool electromagnetic valve, the number of the air outlet grooves or the first air outlet holes is multiple, the air outlet grooves or the first air outlet holes are distributed at intervals along the inner wall of the air inlet cavity, and the communication area between the air inlet cavity and the main valve cavity can be further increased through the air outlet grooves or the first air outlet holes, so that external air can enter the intelligent closestool electromagnetic valve quickly.

3. According to the anti-siphon structure of the intelligent closestool electromagnetic valve, the stop block is assembled with the inner wall of the air inlet cavity through the buckle structure, the buckle structure comprises the clamping groove arranged on one side of the stop block and the inner wall of the air inlet cavity and the elastic buckle which is arranged on the other side and can be elastically clamped with the clamping groove, the assembly is fast and convenient by adopting a buckle connection mode, and the assembly efficiency is improved.

4. The utility model provides an anti-siphon structure of an intelligent closestool electromagnetic valve.A second air outlet hole which penetrates through the block and is arranged to communicate an air inlet cavity with a main valve cavity is formed in the block. The second venthole can further increase the communicating area of the air inlet cavity and the main valve cavity, and is beneficial to the rapid entering of external air.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a perspective view of a flush pressure relief integrated valve of the intelligent toilet of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is an exploded schematic view of the first and second valve bodies;

FIG. 4 is a sectional view of the flush/pressure relief integrated valve;

FIG. 5 is a perspective view of the first valve body, pressure relief valve and anti-siphon structure;

FIG. 6 is a first cross-sectional view of FIG. 5;

FIG. 7 is a first perspective view of the first valve body;

FIG. 8 is a second perspective view of the first valve body;

FIG. 9 is an exploded view of the first valve body and the anti-siphon structure;

FIG. 10 is a second cross-sectional view of FIG. 5;

fig. 11 is a schematic structural view of an anti-siphon structure in the prior art.

Description of reference numerals: 01. an air inlet cavity; 02. a main valve chamber; 03. an anti-siphon seal rod; 04. a spring; 05. mounting a column; 06. a baffle plate; 07. a gasket;

1. a valve body; 2. a water inlet; 3. a first water outlet; 4. a second water outlet; 5. a flush valve; 6. a pressure reducing valve; 7. a first valve body; 8. a second valve body; 9. a coil control assembly; 10. a pressure relief assembly; 11. a main valve chamber; 12. a first valve chamber; 13. a water inlet hole; 14. a water outlet channel; 15. a water outlet hole; 16. an iron core; 17. a decompression chamber; 18. an opening; 19. a blocking member; 20. an anti-siphon mouth; 21. an air inlet cavity; 22. an air inlet; 23. an anti-siphon column; 24. an air outlet groove; 25. a stopper; 26. a sealing part; 27. a guide rod part; 28. a card slot; 29. elastic buckle; 30. a second air outlet; 31. a spring.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Examples

The embodiment provides a flushing and pressure reducing integrated valve of an intelligent closestool, which comprises a valve body 1, a flushing valve 5, a pressure reducing valve 6 and an anti-siphon structure, as shown in fig. 1-3.

The valve body 1, as shown in fig. 4, has a water inlet 2, a second water outlet 4, and two first water outlets 3, and the two first water outlets 3 are respectively disposed at two sides of the water inlet 2. The valve body 1 comprises a first valve body 7 and a second valve body 8 which are fixedly arranged from top to bottom, the first valve body 7 is provided with a coil control assembly 9 and a pressure reducing assembly 10 of the pressure reducing valve 6 and a second water outlet 4, and the second valve body 8 is provided with a main valve cavity 11 communicated with the water inlet 2. As shown in fig. 6 to 8, the first valve body 7 is provided with: a first valve cavity 12 having a water inlet 13 communicated with the main valve cavity 11 and a water outlet 15 communicated with a water outlet passage 14, wherein an iron core 16 of the coil control assembly 9 can block the water outlet 15 under the action of electromagnetic force; and the decompression cavity 17 is provided with the decompression assembly 10 and is respectively communicated with the water outlet channel 14 and the second water outlet 4. An opening 18 communicated with the outside is formed in one end, away from the decompression cavity 17, of the water outlet channel 14, and a blocking piece 19 is arranged at the opening 18, wherein in the embodiment, the blocking piece 19 is a steel ball.

And the flushing valves 5 are suitable for controlling the on-off of the first water outlet 3 and the water inlet 2, and in the embodiment, the number of the flushing valves 5 is two, and the flushing valves are respectively arranged at two ends of the valve body 1 in the length direction.

And the pressure reducing valve 6 is suitable for controlling the connection and disconnection of the second water outlet 4 and the water inlet 2. The pressure reducing valve 6 is arranged on the top of the valve body 1 and is positioned between the two flush valves 5. The pressure reducing valve 6 comprises a coil control assembly 9 and a pressure reducing assembly 10, wherein the coil control assembly 9 and the pressure reducing assembly 10 are arranged at intervals along the length direction of the valve body 1. It should be noted that the pressure reducing assembly is a mature technology, and therefore, the internal structure and the working principle thereof are not described in detail.

In an alternative embodiment, the coil control unit 9 and the pressure reducing unit 10 are disposed at intervals in the width direction of the valve body 1 (not shown).

As shown in fig. 5, 9 and 10, the anti-siphon structure includes an air inlet chamber 21 provided on the first valve body 7, an anti-siphon port 20, an anti-siphon column 23 and a stopper 25.

The air inlet cavity 21, as shown in fig. 10, has an air inlet hole 22 communicating with the anti-siphon port 20, and an anti-siphon column 23 adapted to seal the air inlet hole 22, four air outlet grooves 24 communicating with the main valve cavity 11 are formed on the inner wall of the air inlet cavity 21, and the four air outlet grooves 24 are spaced along the inner wall of the air inlet cavity 21. In this embodiment, the air inlet hole 22 is formed at the top of the air inlet chamber 21.

As an alternative embodiment, the inlet chamber 21 has a first outlet hole (not shown) formed in its inner wall and communicating with the main valve chamber 11.

A stop 25, arranged on the side of the inlet chamber 21 remote from the inlet hole 22, adapted to define the stop 25 of the anti-siphon column 23. The stopper 25 has a through hole in the middle, the anti-siphon column 23 has a sealing portion 26 adapted to seal the air inlet 22, and a guide portion 27 penetrating the through hole, and a spring 31 (not shown) is disposed between the sealing portion 26 and the stopper 25. In this embodiment, the stopper 25 is assembled with the inner wall of the air intake chamber 21 through a snap structure, and the snap structure includes a clamping groove 28 provided on one of the stopper 25 and the inner wall of the air intake chamber 21, and an elastic snap 29 provided on the other and elastically clamped with the clamping groove 28. The stop 25 has a second outlet aperture 30 disposed therethrough to communicate the inlet chamber 21 with the main valve chamber 11.

As an alternative embodiment, the stop 25 is screwed to the inner wall of the intake chamber 21.

According to the flushing and pressure reducing integrated valve of the intelligent closestool, the flushing valve 5 and the pressure reducing valve 6 are integrated into the valve body 1, and the pressure reducing valve 6 is arranged at the top of the valve body 1, so that the whole integrated valve is small in width and compact in structure, miniaturization of products is achieved, the size of the closestool can be set to be small, and the production cost of the closestool is reduced.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.

Claims

1. The utility model provides an anti-siphon structure of intelligent closestool solenoid valve which characterized in that includes:

a valve body (1) having a primary valve chamber (11) and an anti-siphon port (20) communicable with said primary valve chamber (11);

the siphon valve comprises an air inlet cavity (21) and an anti-siphon column (23), wherein the air inlet cavity (21) is provided with an air inlet hole (22) communicated with an anti-siphon opening (20), the anti-siphon column is suitable for sealing the air inlet hole (22), and at least one air outlet groove (24) or a first air outlet hole communicated with a main valve cavity (11) is formed in the inner wall of the air inlet cavity (21).

2. The anti-siphon structure of the intelligent closestool solenoid valve according to claim 1, characterized in that a plurality of air outlet grooves (24) or the first air outlet holes are formed, and the plurality of air outlet grooves (24) or the first air outlet holes are distributed at intervals along the inner wall of the air inlet cavity (21).

3. The anti-siphon structure of intelligent closestool solenoid valve according to claim 1 or 2, characterized in that the air inlet hole (22) is arranged at the top of the air inlet cavity (21).

4. The anti-siphon structure of the intelligent closestool solenoid valve according to claim 1, characterized in that a stopper (25) suitable for limiting the position of the anti-siphon column (23) is arranged on one side of the air inlet cavity (21) far away from the air inlet hole (22), a through hole is arranged in the middle of the stopper (25), the anti-siphon column (23) is provided with a sealing part (26) suitable for sealing the air inlet hole (22), and a guide rod part (27) arranged in the through hole in a penetrating way.

5. The anti-siphon structure of the intelligent closestool solenoid valve according to claim 4, characterized in that the stopper (25) is assembled with the inner wall of the air inlet cavity (21) through a buckle structure, and the buckle structure comprises a clamping groove (28) arranged on one side of the stopper (25) and the inner wall of the air inlet cavity (21) and an elastic buckle (29) arranged on the other side and capable of elastically clamping with the clamping groove (28).

6. The anti-siphon structure of intelligent closestool solenoid valve according to claim 4, characterized in that, the dog (25) is in threaded connection with the inner wall of the air inlet chamber (21).

7. The anti-siphon structure of intelligent closestool solenoid valve according to any one of claims 4-6, characterized in that a spring (31) is arranged between the sealing part (26) and the stopper (25).

8. The anti-siphon structure of an intelligent closestool solenoid valve according to claim 4, characterized in that the block (25) is provided with a second air outlet hole (30) which is arranged through the block to communicate the air inlet cavity (21) with the main valve cavity (11).