CN215483353U - Improved anti-siphon water inlet valve - Google Patents
Improved anti-siphon water inlet valve Download PDFInfo
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- CN215483353U CN215483353U CN202121689355.8U CN202121689355U CN215483353U CN 215483353 U CN215483353 U CN 215483353U CN 202121689355 U CN202121689355 U CN 202121689355U CN 215483353 U CN215483353 U CN 215483353U
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- siphon
- water
- air inlet
- valve body
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Abstract
The utility model discloses an improved anti-siphon water inlet valve, which comprises a water inlet valve body, wherein: the water inlet valve body comprises an inner valve body, a control valve group and an upper cover, wherein the inner valve body is provided with a water inlet channel, a water outlet channel and a plurality of air inlet pipes, the upper cover is arranged at the top of the inner valve body in a covering manner and forms a water passing cavity, and the water passing cavity is communicated with the water outlet channel through the air inlet pipes; the air inlet pipes are provided with anti-siphon pieces for anti-siphon, and at least one air inlet pipe is provided with a notch part matched with the anti-siphon piece; the anti-siphon part comprises an integrally formed cylinder and a cover body, the cylinder is movably arranged in the air inlet pipe, and the cover body is covered on the notch part; according to the siphon device, the structure is improved, the gap part for ventilation and the anti-siphon part are arranged at the top of the air inlet pipe, the cover body of the anti-siphon part deforms and clings to the gap part and the air inlet pipe when negative pressure is generated in siphon of the air inlet pipe, and the anti-siphon device is completely sealed to realize anti-siphon.
Description
Technical Field
The utility model relates to the technical field of water inlet valves, in particular to an improved anti-siphon water inlet valve.
Background
The water inlet valve is one of essential parts in a toilet water tank and is mainly used for conducting or disconnecting the water inlet pipe according to water level change in the water tank, the existing water inlet pipe is mostly directly communicated with a tap water pipe and is convenient to use, when the tap water pipe stops water, the water inlet valve is easy to siphon, water in the water tank flows back to the tap water pipe, the tap water pipe is polluted, the existing operation is to manually close a valve of the water inlet pipe or close the water inlet valve during the water stopping period, the operation is complicated, requirements of different countries on siphon prevention are different, and the single structure is difficult to meet the existing requirements.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an improved anti-siphon water inlet valve, which is characterized in that through an improved structure, an air inlet pipe is arranged on an inner valve body communicated with a water inlet pipe, the top of the inner valve body is provided with a gap part for ventilation and an anti-siphon part matched with the gap part, a cover body of the anti-siphon part is deformed and tightly attached to the gap part and the air inlet pipe when the air inlet pipe generates negative pressure in a siphon mode, the anti-siphon is completely sealed, and the anti-siphon requirements of different countries on anti-siphon are met by different combinations of the air inlet pipe, the gap part and a pressure release hole.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an improved anti-siphon fill valve comprising a fill valve body, wherein:
the water inlet valve body comprises an inner valve body, a control valve group and an upper cover, wherein the inner valve body is provided with a water inlet channel, a water outlet channel and a plurality of air inlet pipes, the control valve group controls the connection or disconnection of the water outlet channel with the water inlet channel and the air inlet pipes respectively, the upper cover is arranged at the top of the inner valve body and forms a water passing cavity, and the water passing cavity is communicated with the water outlet channel through the air inlet pipes; the air inlet pipes are provided with anti-siphon pieces for anti-siphon, at least one air inlet pipe is provided with a notch part matched with the anti-siphon piece, the notch part is of a square structure or a trapezoidal structure, and the bottom of the notch part is of an inclined plane structure with a deep outside and a shallow inside; the anti-siphon part comprises an integrally formed cylinder and a cover body, the cylinder is movably arranged in the air inlet pipe, and the cover body is covered on the notch part.
Further, the intake pipe is equipped with 2, and is corresponding, anti-siphon spare has 2, at least one the intake pipe has breach portion, the lid is circular structure, the cylinder is cross structure, lid and cylinder are the rubber material preparation and form.
Furthermore, the top of the upper cover is provided with at least one pressure relief hole communicated with the water passing cavity and a guide plate arranged around the pressure relief hole, and the inner periphery of the guide plate is provided with a guide groove and a water outlet for draining water.
Furthermore, the side wall of the upper cover is provided with a side plate fixedly connected with the flow guide plate, and water flowing out of the water outlet is guided by the side plate.
Furthermore, a water diversion disc for receiving water flowing out of the water outlet is installed below the upper cover of the inner valve body.
Further, interior valve body is equipped with the sealing washer at the top and is equipped with the joint piece at the lateral wall, the sealing washer is sealed with upper cover inner wall looks butt, the upper cover is opened and is equipped with the joint mouth with joint piece looks joint.
Furthermore, the joint block is of a right-angle trapezoidal structure and is arranged with the inclined surface thereof facing upwards.
After adopting the technical scheme, compared with the background technology, the utility model has the following advantages:
1. by improving the structure, the water outlet channel is respectively communicated or disconnected with the air inlet pipe and the water inlet channel through the control valve group, the top of the inner valve body is provided with the upper cover, a water passing cavity is formed between the upper cover and the inner valve body, the water passing cavity is communicated with the water outlet channel through the air inlet pipe, the top of the air inlet pipe is provided with a gap part for ventilation and is provided with an anti-siphon part matched with the gap part and the air inlet pipe, the cover body of the anti-siphon part is deformed and tightly attached to the gap part and the air inlet pipe when the air inlet pipe produces negative pressure in a siphon way, the anti-siphon is realized by completely sealing, the structure is simple, the operation is convenient, the gap part is of a square structure or a trapezoidal structure, the bottom of the anti-siphon cup is of an inclined plane structure with a deep outer part and a shallow inner part, the anti-siphon cup has good anti-siphon effect, is matched with the cover body, is not easy to leak air, and has stable structure, and the different combinations of the air inlet pipe, the notch part and the pressure relief hole are utilized to meet the requirements of different countries on anti-siphon.
2. The lower part of the anti-siphon part is of a cross-shaped cylinder structure, the cross-shaped cylinder structure is convenient for the ventilation of the air inlet pipe and the notch part, the blockage of the anti-siphon part caused by the anti-siphon part is avoided, and the cover body is made of rubber and has good sealing performance and good elastic recovery capability.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is a schematic view of the inner valve body according to the present invention;
FIG. 5 is a schematic cross-sectional view of the inner valve body of the present invention;
FIG. 6 is a schematic view of the upper cover of the present invention;
fig. 7 is a schematic view showing a specific structure of the anti-siphon member of the present invention.
Description of reference numerals:
the water inlet valve comprises a water inlet valve body 1, an inner valve body 11, a control valve group 12, an upper cover 13, a water inlet channel 14, an air inlet pipe 15, a water outlet channel 16, a water passing cavity 17, an anti-siphon part 18, a sealing ring 111, a clamping block 112, a pressure relief hole 131, a guide plate 132, a guide groove 133, a water outlet 134, a side plate 135, a clamping port 136, a clamping buckle 137, a notch 151, a column 181 and a cover 182.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
In the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are all based on the orientation or positional relationship shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the apparatus or element of the present invention must have a specific orientation, and thus, should not be construed as limiting the present invention.
Examples
As shown in fig. 1 to 7, the present invention discloses an improved anti-siphon water inlet valve, which comprises a water inlet valve body 1, wherein:
the water inlet valve body 1 comprises an inner valve body 11, a control valve group 12 and an upper cover 13, wherein the inner valve body 11 is communicated with a water inlet pipe and is provided with a water inlet channel 14, an air inlet pipe 15 and a water outlet channel 16 which are communicated with the inner valve body 11, the upper cover 13 is covered on the top of the inner valve body 11 and forms a water passing cavity 17, the water passing cavity 17 is communicated with the water outlet channel 16 through the air inlet pipe 15, the air inlet pipe 15 is provided with a gap portion 151 for ventilation and is movably provided with an anti-siphon part 18 for preventing siphon of the air inlet pipe 15, the anti-siphon part 18 comprises a column body 181 and a cover body 182 which are integrally formed, and the column body 181 is movably arranged in the water inlet pipe 15 and is covered on the gap portion 151 and the air inlet pipe 15 through the cover body 182.
The control valve group 12 controls the connection or disconnection of the water outlet channel 16 with the water inlet channel 14 and the air inlet pipe 15 respectively, the control valve group 12 is composed of a water stop pad and a lever lifting group, and the buoy controls the lever lifting group to move according to water level changes, so that the position of the water stop pad is adjusted, and the water stop pad controls the connection and disconnection of the water inlet channel 14 and the water outlet channel 16.
The top of the upper cover 13 is provided with at least one pressure relief hole 131 communicated with the water passing cavity and a flow guide plate 132 surrounding the pressure relief hole 131, and the inner periphery of the flow guide plate 132 forms a flow guide groove 133 and a water outlet 134 for draining water.
The lateral wall of the upper cover 13 is provided with a lateral plate 135 fixedly connected with a guide plate 132, water flowing out of the water outlet 134 is guided through the lateral plate 135, the water is guided to the water inlet valve body, a water diversion disc for receiving the water flowing out of the water outlet is arranged below the upper cover, and the water is guided through water diversion, so that the water directly enters the water tank, and the influence of the water on the water level of the floating barrel in the floating barrel is avoided.
The diversion plate comprises an installation part installed with the inner valve body, a lower diversion plate and a water receiving plate which are fixedly connected with the outer wall of the installation part respectively, the lower diversion plate is connected with the water receiving plate, a lower surrounding plate is arranged along the peripheries of the lower diversion plate and the water receiving plate in an extending mode, a lower diversion groove and a lower water outlet are formed in the inner periphery of the lower diversion plate, the water receiving plate is arranged below the water outlet channel and fixedly connected with the lower diversion plate, and has a certain inclination angle, the inclination angle is preferably 35 degrees, water flows to the lower diversion plate along the water receiving plate, and flows out of the lower water outlet, the lower water outlet is towards the lower shell of the water inlet valve body and is communicated with the water tank, and the water inlet diversion plate does not pass through the buoy.
Anti-siphon 18 is crossing water cavity 17 internalization along the direction of intake pipe 15, when normal play water, rivers from the intake pipe push up anti-siphon 18 mutually and close the pressure release hole, with the water-washed water cavity of crossing, when the valve unit 12 closed the intaking, anti-siphon 18 automatic fall back intake pipe 15 down, when producing the siphon, anti-siphon 18's lid 182 takes place deformation and pushes down breach portion 151 and intake pipe 15 and seal, avoid rivers to flow back in inhalant canal 14 and the inlet tube 15.
The inner valve body 11 is provided with a sealing ring 111 at the top and a clamping block 112 at the side wall, the sealing ring 111 is abutted and sealed with the inner wall of the upper cover 13, and the upper cover 13 is provided with a clamping interface 136 clamped with the clamping block 112.
The top of the upper cover 13 is provided with a clamping buckle 137 which is clamped with the water inlet valve body through the clamping buckle, the water inlet valve body is provided with an upper shell which is installed with the upper cover, the inner wall of the upper shell is provided with a limiting convex shoulder which is matched with the clamping buckle, the bottom of the limiting convex shoulder is provided with an inclined plate which is matched with the clamping buckle, and the clamping buckle deforms along the inclined plate and finally returns to the shape at the limiting convex shoulder and is clamped and fixed with the limiting convex shoulder.
The top of the top cover is provided with a groove, the groove is provided with an air hole which is communicated with the inside and the outside, the change of the internal pressure and the external pressure is adjusted through the air hole, and the groove cover is provided with a cover plate for sealing.
The clamping block 112 is a right-angled trapezoid structure and is arranged with its inclined surface facing upward.
This embodiment is through improving the structure, go out water passageway 16 and switch on or break off with intake pipe 15 and water inlet channel 14 respectively through control valves 12, an upper cover 13 is installed at interior valve body 11 top and forms a water cavity 17 between the two, it is linked together with water passageway 16 through intake pipe 15 to cross water cavity 17, set up a breach portion 151 and installation one and breach portion 151 that are used for ventilating at the top of intake pipe 15, intake pipe 15 matched with anti-siphon 18, the lid 182 that utilizes anti-siphon 18 deforms when intake pipe 15 siphon produces the negative pressure and pastes tight breach portion 151 and intake pipe 15, totally enclosed realizes anti-siphon, simple structure and convenient operation.
The intake pipe 15 can set up to 1, 2 or 3, and anti-siphon 18 has corresponding number, and the pressure release hole is preferred to be counterpointed with intake pipe 15, and its quantity has 1 at least, and is preferred to be corresponding with the quantity of intake pipe 15, utilizes the different combinations of intake pipe, breach portion and pressure release hole to satisfy the requirement of different countries to anti-siphon.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. An improved anti-siphon water inlet valve, characterized in that it comprises a water inlet valve body, wherein:
the water inlet valve body comprises an inner valve body, a control valve group and an upper cover, wherein the inner valve body is provided with a water inlet channel, a water outlet channel and a plurality of air inlet pipes, the control valve group controls the connection or disconnection of the water outlet channel with the water inlet channel and the air inlet pipes respectively, the upper cover is arranged at the top of the inner valve body and forms a water passing cavity, and the water passing cavity is communicated with the water outlet channel through the air inlet pipes; the air inlet pipes are provided with anti-siphon pieces for anti-siphon, at least one air inlet pipe is provided with a notch part matched with the anti-siphon piece, the notch part is of a square structure or a trapezoidal structure, and the bottom of the notch part is of an inclined plane structure with a deep outside and a shallow inside; the anti-siphon part comprises an integrally formed cylinder and a cover body, the cylinder is movably arranged in the air inlet pipe, and the cover body is covered on the notch part.
2. An improved anti-siphon fill valve as claimed in claim 1, wherein: the intake pipe is equipped with 2, and is corresponding, anti-siphon spare has 2, at least one the intake pipe has breach portion, the lid is round structure, the cylinder is cross structure, lid and cylinder are the rubber material preparation and form.
3. An improved anti-siphon fill valve as claimed in claim 1, wherein: the top of the upper cover is provided with at least one pressure relief hole communicated with the water passing cavity and a guide plate arranged around the pressure relief hole, and the inner periphery of the guide plate is provided with a guide groove and a water outlet for draining water.
4. An improved anti-siphon fill valve as claimed in claim 3, wherein: the side wall of the upper cover is provided with a side plate fixedly connected with the flow guide plate, and water flowing out of the water outlet is guided by the side plate.
5. An improved anti-siphon fill valve as claimed in claim 4, wherein: and a water diversion disc for receiving water flowing out of the water outlet is arranged below the upper cover of the inner valve body.
6. An improved anti-siphon fill valve as claimed in claim 1, wherein: the inner valve body is provided with a sealing ring at the top and a clamping block on the side wall, the sealing ring is in butt joint with the inner wall of the upper cover and is sealed, and the upper cover is provided with a clamping interface clamped with the clamping block.
7. An improved anti-siphon fill valve as claimed in claim 6, wherein: the clamping block is of a right-angle trapezoidal structure and is arranged with the inclined surface thereof facing upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121689355.8U CN215483353U (en) | 2021-07-23 | 2021-07-23 | Improved anti-siphon water inlet valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121689355.8U CN215483353U (en) | 2021-07-23 | 2021-07-23 | Improved anti-siphon water inlet valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215483353U true CN215483353U (en) | 2022-01-11 |
Family
ID=79751456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121689355.8U Active CN215483353U (en) | 2021-07-23 | 2021-07-23 | Improved anti-siphon water inlet valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215483353U (en) |
-
2021
- 2021-07-23 CN CN202121689355.8U patent/CN215483353U/en active Active
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