CN211973714U - Water inlet valve with improved anti-siphon structure - Google Patents
Water inlet valve with improved anti-siphon structure Download PDFInfo
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- CN211973714U CN211973714U CN201922016640.2U CN201922016640U CN211973714U CN 211973714 U CN211973714 U CN 211973714U CN 201922016640 U CN201922016640 U CN 201922016640U CN 211973714 U CN211973714 U CN 211973714U
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- valve body
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Abstract
The utility model discloses a water intaking valve with improved generation prevents siphon structure, which comprises a valve body, the valve body is equipped with inhalant canal, play water passageway and moisturizing passageway, when the valve body intakes, the moisture of inhalant canal does not flow to go out the water passageway with the moisturizing passageway, wherein, be equipped with first prevent the siphon unit on the moisturizing passageway, when the inhalant canal of valve body produces the negative pressure, the moisturizing passageway passes through first prevent that siphon unit and external atmosphere are linked together, this scheme makes the moisturizing passageway be linked together with external atmosphere under the effect of first prevent the siphon unit when inhalant canal produces the negative pressure, forms the air and cuts off to prevent that water tank water from passing through the moisturizing passageway to siphon inhalant canal in, satisfy and prevent the siphon requirement, simple structure, the function is reliable.
Description
Technical Field
The utility model relates to a water intaking valve with improved generation prevents siphon structure.
Background
The existing water inlet valve with the water supplementing function is provided with a water supplementing channel and a water outlet channel which are communicated with a water inlet channel, and because some standards specify that when the anti-siphon function of the water inlet valve is tested, a water supplementing pipe is required to be connected to the water supplementing channel and then is submerged in water, when negative pressure is generated in the water inlet channel, the water supplementing channel can generate siphon to absorb water in the water tank all the time, so that the anti-siphon function of the water inlet valve is invalid.
SUMMERY OF THE UTILITY MODEL
The utility model provides a water inlet valve with improved anti-siphon structure for solving the above problems.
In order to achieve the above object, the utility model adopts the following technical scheme:
a fill valve having an improved anti-siphon structure, comprising: the valve body, the valve body is equipped with inhalant canal, play water channel and moisturizing passageway, when the valve body was intake, the moisture of inhalant canal flows extremely respectively go out the water channel with the moisturizing passageway, wherein, be equipped with first anti-siphon unit on the moisturizing passageway, when the inhalant canal of valve body produced the negative pressure, the moisturizing passageway passes through first anti-siphon unit is linked together with external atmosphere.
Preferably, be equipped with the second on the exhalant canal and prevent the siphon unit, when the inhalant canal of valve body produced the negative pressure, the exhalant canal passes through the second prevents that siphon unit is linked together with external atmosphere.
Preferably, first anti-siphon unit is including seting up on the moisturizing passageway and intercommunication the inner chamber and the atmospheric gas pocket in the external world of moisturizing passageway still set up including the activity anti-siphon stopper in the moisturizing passageway, when the valve body was intake, anti-siphon stopper is closed under the water pressure effect the gas pocket, during the valve body stagnant water, anti-siphon stopper is opened under gravity or an elastic force effect the gas pocket.
Preferably, the moisturizing passageway includes first moisturizing passageway and the second moisturizing passageway of looks interval setting, first moisturizing passageway with clearance between the second moisturizing passageway is linked together with external atmosphere, and then forms first anti-siphon unit.
Preferably, the water outlet of the first water replenishing channel is opposite to the water inlet of the second water replenishing channel, and the sectional area of the water inlet of the second water replenishing channel is larger than that of the water outlet of the first water replenishing channel.
Preferably, be equipped with water conservancy diversion spare and gland on the valve body, the water conservancy diversion spare with the gland cooperation forms the intercommunication inhalant canal with the water guide channel of exhalant canal, first moisturizing passageway set up in on the water conservancy diversion spare, second moisturizing passageway set up in on the gland.
Preferably, the flow guide part is of a flow guide cap structure, and a flow guide hole communicated with the water inlet channel and the flow guide channel is formed in the middle of the flow guide part.
Preferably, the guide member is provided with a first limiting part, the valve body is correspondingly provided with a second limiting part, and the first limiting part is circumferentially and limitedly matched with the second limiting part.
Preferably, the gland is fixedly connected with the valve body, so that the flow guide piece is pressed in the valve body.
Preferably, still including control the stagnant water subassembly of inhalant canal switching, stagnant water subassembly includes the floating bucket that floats along with the water tank water level.
The utility model has the advantages that:
1. the utility model discloses a water intaking valve with improved generation prevents siphon structure, which comprises a valve body, the valve body is equipped with inhalant canal, play water passageway and moisturizing passageway, when the valve body intakes, the moisture of inhalant canal does not flow to go out the water passageway with the moisturizing passageway, wherein, be equipped with first prevent the siphon unit on the moisturizing passageway, when the inhalant canal of valve body produced the negative pressure, the moisturizing passageway passes through first prevent that siphon unit and external atmosphere are linked together, this scheme makes the moisturizing passageway be linked together with external atmosphere under the effect of first preventing the siphon unit when inhalant canal produces the negative pressure, forms the air and cuts off to prevent that water tank water from passing through the moisturizing passageway to siphon in the inhalant canal, satisfy and prevent the siphon requirement, simple structure, the function is reliable.
2. The water outlet of the first water supplementing channel is opposite to the water inlet of the second water supplementing channel, and the sectional area of the water inlet of the second water supplementing channel is larger than that of the water outlet of the first water supplementing channel, so that most of water of the first water supplementing channel can fall into the second water supplementing channel.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
FIG. 1 is a perspective view of an inlet valve with an improved anti-siphon structure according to the present invention;
FIG. 2 is an exploded view of an inlet valve with an improved anti-siphon structure according to the present invention;
FIG. 3 is a cross-sectional view of an inlet valve with an improved anti-siphon structure according to the present invention in the inlet state;
FIG. 4 is a second cross-sectional view of the inlet valve with an improved anti-siphon structure according to the present invention in the water inlet state;
fig. 5 is a cross-sectional view of the inlet valve with an improved anti-siphon structure according to the present invention, showing a negative pressure state.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1 to 5, a feed valve having an improved anti-siphon structure, includes: the valve body 10, the valve body 10 is equipped with inlet channel 11, exhalant canal 12 and moisturizing passageway 13, when the valve body 10 was intake, inlet channel 11's moisture flows to respectively go out exhalant canal 12 with moisturizing passageway 13, wherein, be equipped with first anti-siphon unit on the moisturizing passageway 13, when inlet channel 11 of valve body 10 produced the negative pressure, moisturizing passageway 13 passes through first anti-siphon unit is linked together with external atmosphere.
In this embodiment, the water outlet passage 12 is provided with a second anti-siphon unit, and when the water inlet passage 11 of the valve body 10 generates negative pressure, the water outlet passage 12 is communicated with the external atmosphere through the second anti-siphon unit.
In this embodiment, the water replenishing channel 13 includes a first water replenishing channel 21 and a second water replenishing channel 31 which are arranged at intervals, and a gap between the first water replenishing channel 21 and the second water replenishing channel 31 is communicated with the external atmosphere, so as to form the first anti-siphon unit.
In this embodiment, the water outlet of the first water replenishing channel 21 is opposite to the water inlet of the second water replenishing channel 31, and the sectional area of the water inlet of the second water replenishing channel 31 is larger than the sectional area of the water outlet of the first water replenishing channel 21, so that most of the water of the first water replenishing channel 21 falls into the second water replenishing channel 31.
In this embodiment, a diversion part 20 and a gland 30 are arranged on the valve body 10, the diversion part 20 and the gland 30 are matched to form a diversion channel 22 communicating the water inlet channel 11 and the water outlet channel 12, the first water replenishing channel 21 is arranged on the diversion part 20, the second water replenishing channel 31 is arranged on the gland 30, and specifically, a gap between the diversion part 20 and the gland 30 forms the diversion channel 22.
In this embodiment, the pressing cover 30 is provided with an air inlet 32 communicated with the external atmosphere, thereby forming the second anti-siphon unit.
In this embodiment, the flow guiding member 20 is a flow guiding cap structure, and a flow guiding hole 23 communicating the water inlet channel 11 and the flow guiding channel 22 is formed in the middle of the flow guiding member 20.
In this embodiment, the flow guide member 20 is provided with a first limiting portion 24, the valve body 10 is correspondingly provided with a second limiting portion 14, the first limiting portion 24 is circumferentially limited and matched with the second limiting portion 14, specifically, the first limiting portion 24 is a convex rib, and the second limiting portion 14 is a limiting groove.
In this embodiment, the pressing cover 30 is fixedly connected to the valve body 10, so as to press the flow guiding element 20 in the valve body 10, specifically, the pressing cover 30 is in clamping fit with the valve body 10, and the flow guiding element 20 is provided with a supporting rib 25 abutting against the pressing cover 30.
In this embodiment, the water stopping device 40 is further included for controlling the opening and closing of the water inlet channel 11, and the water stopping device 40 includes a floating bucket floating along with the water level of the water tank.
The specific working process of this embodiment is as follows:
as shown in fig. 3 and 4, when the valve body 10 is filled with water, most of the water in the water inlet channel 11 flows from the diversion hole 23 to the water outlet channel 12 through the diversion channel 22, and a small part of the water is sprayed into the second water replenishing channel 31 from the first water replenishing channel 21 at a high speed;
as shown in fig. 5, when negative pressure is generated in the water inlet channel 11 of the valve body 10, negative pressure is generated in both the water outlet channel 12 and the water replenishing channel 13, at this time, air can enter the water outlet channel 12 through the air inlet 32 of the gland 30, so as to eliminate the negative pressure in the water outlet channel 12, and at the same time, air enters the water replenishing channel 13 through the gap between the first water replenishing channel 21 and the second water replenishing channel 31, so as to eliminate the negative pressure in the water inlet channel 11.
In other embodiments, first anti-siphon unit is including seting up on the moisturizing passageway and intercommunication the inner chamber of moisturizing passageway and the atmospheric gas pocket in the external world, still including the activity setting be in the anti-siphon stopper in the moisturizing passageway, when valve body 10 was intake, the anti-siphon stopper is closed under the water pressure effect the gas pocket, when valve body 10 stagnant water, the anti-siphon stopper is opened under gravity or an elastic force effect the gas pocket, other parts not described are unanimous with above-mentioned embodiment.
While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (10)
1. An inlet valve having an improved anti-siphon structure, comprising: the valve body, the valve body is equipped with inhalant canal, play water channel and moisturizing passageway, when the valve body was intake, the moisture of inhalant canal flows extremely respectively go out the water channel with the moisturizing passageway, wherein, be equipped with first anti-siphon unit on the moisturizing passageway, when the inhalant canal of valve body produced the negative pressure, the moisturizing passageway passes through first anti-siphon unit is linked together with external atmosphere.
2. The intake valve with an improved anti-siphon structure according to claim 1, characterized in that a second anti-siphon unit is arranged on the outlet channel, and when the inlet channel of the valve body generates negative pressure, the outlet channel is communicated with the outside atmosphere through the second anti-siphon unit.
3. The water inlet valve with the improved anti-siphon structure according to claim 1, wherein the first anti-siphon unit comprises an air hole which is formed in the water replenishing channel and communicates the inner cavity of the water replenishing channel with the outside atmosphere, and further comprises an anti-siphon plug which is movably arranged in the water replenishing channel, when the valve body is filled with water, the anti-siphon plug closes the air hole under the action of water pressure, and when the valve body is filled with water, the anti-siphon plug opens the air hole under the action of gravity or elastic force.
4. The inlet valve with the improved anti-siphon structure according to claim 1, wherein the water replenishing channel comprises a first water replenishing channel and a second water replenishing channel which are arranged at intervals, and a gap between the first water replenishing channel and the second water replenishing channel is communicated with the outside atmosphere, so that the first anti-siphon unit is formed.
5. The inlet valve with the improved anti-siphon structure according to claim 4, wherein the outlet of the first replenishing channel is arranged opposite to the inlet of the second replenishing channel, and the sectional area of the inlet of the second replenishing channel is larger than that of the outlet of the first replenishing channel.
6. The inlet valve with the improved anti-siphon structure according to claim 4, wherein the valve body is provided with a flow guiding member and a pressing cover, the flow guiding member and the pressing cover cooperate to form a flow guiding channel communicating the inlet channel and the outlet channel, the first water replenishing channel is arranged on the flow guiding member, and the second water replenishing channel is arranged on the pressing cover.
7. The improved intake valve with anti-siphon structure as claimed in claim 6, wherein said flow guiding member is a flow guiding cap structure, and a flow guiding hole communicating said intake passage and said flow guiding passage is provided in the middle of said flow guiding member.
8. The inlet valve with the improved anti-siphon structure according to claim 6, wherein the flow guiding member is provided with a first limiting portion, the valve body is correspondingly provided with a second limiting portion, and the first limiting portion is in circumferential limiting fit with the second limiting portion.
9. The improved anti-siphon water inlet valve according to claim 6, wherein the pressing cover is fixedly connected with the valve body, so as to press the flow guiding member in the valve body.
10. The improved intake valve with anti-siphon structure according to claim 1, further comprising a water-stopping assembly for controlling the opening and closing of the intake passage, wherein the water-stopping assembly comprises a floating barrel floating with the water level of the water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922016640.2U CN211973714U (en) | 2019-11-20 | 2019-11-20 | Water inlet valve with improved anti-siphon structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922016640.2U CN211973714U (en) | 2019-11-20 | 2019-11-20 | Water inlet valve with improved anti-siphon structure |
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| Publication Number | Publication Date |
|---|---|
| CN211973714U true CN211973714U (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922016640.2U Active CN211973714U (en) | 2019-11-20 | 2019-11-20 | Water inlet valve with improved anti-siphon structure |
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| CN (1) | CN211973714U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113136929A (en) * | 2021-04-28 | 2021-07-20 | 厦门立业卫浴工业有限公司 | Water inlet valve fixed on water discharge valve |
-
2019
- 2019-11-20 CN CN201922016640.2U patent/CN211973714U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113136929A (en) * | 2021-04-28 | 2021-07-20 | 厦门立业卫浴工业有限公司 | Water inlet valve fixed on water discharge valve |
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