CN215330273U - Novel anti-siphon device for flushing valve - Google Patents
Novel anti-siphon device for flushing valve Download PDFInfo
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- CN215330273U CN215330273U CN202120040897.6U CN202120040897U CN215330273U CN 215330273 U CN215330273 U CN 215330273U CN 202120040897 U CN202120040897 U CN 202120040897U CN 215330273 U CN215330273 U CN 215330273U
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Abstract
The utility model provides a novel anti-siphon device of a flush valve, which is provided with a water inlet, a water outlet and a ventilation port communicated with the outside air, and also comprises a water inlet passage communicated with the water inlet, a water outlet passage with two ends respectively communicated with the water inlet passage and the water outlet, and a ventilation valve, wherein the ventilation valve is arranged between the water inlet passage and the water outlet passage and is vertical to the water inlet passage, and the ventilation valve is provided with a sealing surface used for communicating or sealing the ventilation port and the water outlet passage. This prevent siphon device can realize preventing the purpose of siphon to can avoid appearing the problem of external leakage when the breather valve takes place to leak.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the technical field of flushing valves, in particular to a novel anti-siphon device of a flushing valve.
[ background of the utility model ]
In the prior art, anti-siphon vacuum breaking structures of toilet flushing valves are generally independent from each other and are parallel to a water inlet passage. Referring to fig. 1, each water outlet passage of the flush valve is provided with an independent vacuum breaking device, the vacuum breaking is parallel to the water inlet passage, the front and the back of a valve core a are provided with sealing membranes, a valve seat is arranged on the valve body corresponding to the sealing membranes, a front sealing membrane b1 of the valve core and a front valve seat c1 of the valve body form a one-way check function, and a rear sealing membrane b2 of the valve core and a rear valve seat c2 of the valve body form an external seal which can seal or connect external air; in order to prevent the water leakage caused by single vacuum failure, the prior art adopts a small water tank to connect the air-permeable passages of the two, and the water tank overflows by the self weight of the water to prevent the external leakage. This increases the volume on the CL line (line CL being the lower water line of the inlet means at the beginning or end of the siphon); in order to prevent water leakage caused by abnormal vacuum failure in the prior art, a small water tank is often arranged on two vacuum failure air inlets, and water leakage to the outside is prevented by mutual overflow, so that the volume above CL is further increased. The former structure can lead to the spatial structure big, and the CL line of preventing the siphon is crossed lowly, can increase the space above the closestool face like this, because mutually overflow with little water tank in addition, can only rely on water dead weight to carry out mutually excessive, and mutual overflow ability is poor, and it is outside to leak to lead to not having time to overflow as long as leak greatly.
[ Utility model ] content
The utility model aims to solve the problems in the prior art, and provides a novel anti-siphon device for a flush valve, which can achieve the aim of anti-siphon and avoid the problem of external leakage when the vent valve leaks water.
In order to achieve the purpose, the utility model provides a novel anti-siphon device of a flush valve, wherein the flush valve is provided with a water inlet, a water outlet and a ventilation port communicated with the outside air, and further comprises a water inlet passage communicated with the water inlet, a water outlet passage with two ends respectively communicated with the water inlet passage and the water outlet, and a ventilation valve, the ventilation valve is arranged between the water inlet passage and the water outlet passage and is vertical to the water inlet passage, and the ventilation valve is provided with a sealing surface used for communicating or sealing the ventilation port and the water outlet passage.
Preferably, a check valve is installed at the water inlet.
The utility model also provides a novel anti-siphon device of the flushing valve, wherein the flushing valve is provided with a water inlet, a first water outlet, a second water outlet and a ventilation port communicated with the outside air, the flushing valve further comprises two water inlet passages and two water outlet passages, the two water inlet passages comprise a first water inlet passage and a second water inlet passage which are arranged side by side, the two water outlet passages comprise a first water outlet passage of which two ends are communicated with the first water inlet passage and the first water outlet and a second water outlet passage of which two ends are communicated with the second water inlet passage and the second water outlet, a ventilation valve vertical to the water inlet passage is arranged between the first water inlet passage and the second water inlet passage, and two sealing surfaces used for opening or sealing the ventilation port and the two water outlet passages are arranged on the ventilation valve respectively.
Preferably, a ventilation passage is provided between the first water inlet passage and the second water inlet passage, the ventilation valve is installed in the ventilation passage, the ventilation passage includes a first ventilation passage provided between the first water inlet passage and the ventilation port, and a second ventilation passage provided between the second water inlet passage and the ventilation port, one side of the valve body of the ventilation valve has a sealing surface a for opening or sealing the first ventilation passage, and the other side of the valve body has a sealing surface B for opening or sealing the second ventilation passage.
Preferably, a valve seat a is provided on a side of the first ventilation passage facing the sealing surface a, a valve seat B is provided on a side of the second ventilation passage facing the sealing surface B, and sealing rubbers are provided on the sealing surface a on the side facing the valve seat a and the sealing surface B on the side facing the valve seat B, respectively. The sealing surface A and the sealing surface B are fixedly connected or flexibly connected in a mutually movable mode.
Preferably, an inlet of the water inlet passage is communicated with the water inlet, an outlet of the water inlet passage is communicated with an inlet of the water outlet passage, the first water outlet passage and the second water outlet passage are respectively provided with an electromagnetic valve a and an electromagnetic valve B, the electromagnetic valve a is used for controlling the connection and disconnection between the first water inlet passage and the first water outlet passage, and the electromagnetic valve B is used for controlling the connection and disconnection between the second water inlet passage and the second water outlet passage.
Preferably, a check valve is installed at the water inlet.
As preferred, the check valve includes base and contrary sealing rubber spare, the base is installed on the water inlet, the outer lane of base is equipped with the sealing washer with the inner wall of water inlet closely cooperates, a plurality of hole of permeating water has been seted up in the base, the center department at the base is fixed to the one end of contrary sealing rubber spare, and the other end has the umbrella-shaped closing cap, the outer fringe of umbrella-shaped closing cap is pressed on the base for close or open the hole of permeating water.
The utility model has the beneficial effects that:
1. when the ventilation valve leaks water, water can directly shoot to the other side, and the leakage-proof power adopts the water self-pressure in the pipeline, so that the leakage-proof capacity is strong.
2. The front sealing membrane of the two valve cores and the valve seat structure of the valve body in the prior art are combined into an independent one-way valve, the structure is simple, and the space is small.
3. When the anti-siphon device leaks water, the mutual overflow of the water leakage occurs between the two water outlet passages, so that the space of the conventional small water tank with a vacuum breaking structure is saved, and the CL on-line space is reduced.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic diagram of the anti-siphon device of a prior art flush valve;
FIG. 2 is a schematic structural diagram of embodiment 2 of the novel anti-siphon device of the flush valve of the present invention;
FIG. 3 is a schematic top view of FIG. 2;
FIG. 4 is a schematic view of the AA-oriented cross-sectional structure of FIG. 3;
FIG. 5 is an enlarged schematic view at D of FIG. 4;
[ detailed description ] embodiments
Example 1
The utility model relates to a novel anti-siphon device of a flush valve, which is provided with a water inlet 100, a water outlet, a ventilation port 500 communicated with the outside air, a water inlet passage communicated with the water inlet 100, a water outlet passage with two ends respectively communicated with the water inlet passage and the water outlet, and a ventilation valve 2, wherein the ventilation valve 2 is arranged between the water inlet passage and the water outlet passage and is vertical to the water inlet passage, and the ventilation valve 2 is provided with a sealing surface used for communicating or sealing the ventilation port 500 and the water outlet passage. When the vent valve leaks water, water can directly shoot into the water outlet passage on the other side, and the leakage-proof power adopts the water self-pressure in the pipeline, so that the leakage-proof capacity is strong.
Furthermore, the water inlet passage is communicated with the water inlet 100, the outlet end of the water inlet passage is communicated with the inlet end of the water outlet passage, and the water outlet passage is internally provided with an electromagnetic valve A4011 for controlling the on-off of the water inlet passage and the water outlet passage.
Further, the water inlet 100 is provided with a check valve 4, and the check valve 4 can play a reverse check function. Specifically, referring to fig. 4, the check valve 4 includes a base 41 and a check sealing rubber member 42, the base 41 is installed on the water inlet 100, a sealing ring 411 tightly fitted to an inner wall of the water inlet 100 is disposed on an outer ring of the base 41, a plurality of water permeable holes are formed in the base 41, one end of the check sealing rubber member 42 is fixed to a center of the base 41, an umbrella-shaped cover 421 is disposed at the other end of the check sealing rubber member, an outer edge of the umbrella-shaped cover 421 is pressed against the base 41, the water permeable holes are opened when the water inlet 100 is filled with water, and the water permeable holes are closed otherwise, so that reverse check is achieved.
Example 2
Referring to fig. 2 to 5, the novel anti-siphon device for the flush valve of the present invention includes a water inlet 100, a first water outlet 201, a second water outlet 202, and a ventilation opening 500 communicating with the outside air, and is characterized in that: the flushing valve further comprises two water inlet passages and two water outlet passages, the two water inlet passages comprise a first water inlet passage 301 and a second water inlet passage 302 which are arranged side by side, the two water outlet passages comprise a first water outlet passage 401 of which two ends are communicated with the first water inlet passage 301 and the first water outlet 201 and a second water outlet passage 402 of which two ends are communicated with the second water inlet passage 302 and the second water outlet 202, a ventilation valve 2 vertical to the water inlet passage is arranged between the first water inlet passage 301 and the second water inlet passage 302, and the ventilation valve 2 is provided with two sealing surfaces for opening or sealing the ventilation port 500 and the two water outlet passages respectively. When the air valve leaks water, water can directly shoot into the water inlet passage on the other side, and the leakage-preventing power adopts the water self-pressure in the pipeline, so that the leakage-preventing capacity is strong.
Further, an inlet of the water inlet passage is communicated with the water inlet 100, an outlet end of the water inlet passage is communicated with an inlet end of the water outlet passage, a solenoid valve a4011 and a solenoid valve B4021 are respectively installed in the first water outlet passage 401 and the second water outlet passage 402, the solenoid valve a4011 is used for controlling on-off between the first water inlet passage 301 and the first water outlet passage 401, and the solenoid valve B4021 is used for controlling on-off between the second water inlet passage 302 and the second water outlet passage 402.
Further, a ventilation passage 3 is provided between the first water inlet passage 301 and the second water inlet passage 302, the ventilation valve 2 is installed in the ventilation passage 3, the ventilation passage 3 includes a first ventilation passage 31 provided between the first water inlet passage 301 and the ventilation port 500, and a second ventilation passage 32 provided between the second water inlet passage 302 and the ventilation port 500, and a sealing surface a21 for opening or sealing the first ventilation passage 31 is provided on one side of a valve body of the ventilation valve 2, and a sealing surface B22 for opening or sealing the second ventilation passage 32 is provided on the other side. Specifically, in the present embodiment, the first air-permeable passage 31 is provided with a valve seat a311 on the side facing the sealing surface a21, the second air-permeable passage 32 is provided with a valve seat B321 on the side facing the sealing surface B22, and the sealing surface a21 is provided with a sealing rubber on the side facing the valve seat a311 and the sealing surface B22 is provided with a sealing rubber on the side facing the valve seat B321, respectively. The sealing surface A21 and the sealing surface B22 are fixedly connected or flexibly connected in a mutually movable mode.
Further, the water inlet 100 is provided with a one-way valve 4, and the one-way valve 4 can play a reverse check function. Specifically, referring to fig. 4, the check valve 4 includes a base 41 and a check sealing rubber member 42, the base 41 is installed on the water inlet 100, a sealing ring 411 tightly fitted to an inner wall of the water inlet 100 is disposed on an outer ring of the base 41, a plurality of water permeable holes are formed in the base 41, one end of the check sealing rubber member 42 is fixed to a center of the base 41, an umbrella-shaped cover 421 is disposed at the other end of the check sealing rubber member, an outer edge of the umbrella-shaped cover 421 is pressed against the base 41, the water permeable holes are opened when the water inlet 100 is filled with water, and the water permeable holes are closed otherwise, so that reverse check is achieved.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (8)
1. The utility model provides a novel anti-siphon device of flushometer, has water inlet (100), delivery port on the flushometer to and ventilative mouthful (500) that communicate with the outside air, its characterized in that: the water inlet and outlet integrated device is characterized by further comprising a water inlet passage communicated with the water inlet (100), a water outlet passage with two ends respectively communicated with the water inlet passage and the water outlet, and a ventilation valve (2), wherein the ventilation valve (2) is arranged between the water inlet passage and the water outlet passage and is perpendicular to the water inlet passage, and a sealing surface used for communicating or sealing the ventilation port (500) and the water outlet passage is arranged on the ventilation valve (2).
2. The novel anti-siphon device of flush valve as claimed in claim 1, characterized in that: and a one-way valve (4) is arranged at the water inlet (100).
3. The utility model provides a novel anti-siphon device of flushometer, has water inlet (100), first delivery port (201) and second delivery port (202) on the flushometer to and ventilative mouthful (500) that communicate with each other with the outside air, its characterized in that: the flushing valve further comprises two water inlet passages and two water outlet passages, the two water inlet passages comprise a first water inlet passage (301) and a second water inlet passage (302) which are arranged side by side, the two water outlet passages comprise a first water outlet passage (401) with two ends communicated with the first water inlet passage (301) and the first water outlet (201) and a second water outlet passage (402) with two ends communicated with the second water inlet passage (302) and the second water outlet (202), a ventilation valve (2) perpendicular to the water inlet passages is arranged between the first water inlet passage (301) and the second water inlet passage (302), and two sealing surfaces used for opening or sealing the ventilation port (500) and the two water outlet passages are arranged on the ventilation valve (2).
4. A novel anti-siphon device for flush valve according to claim 3, characterized in that: an air-permeable passage (3) is arranged between the first water inlet passage (301) and the second water inlet passage (302), the air-permeable valve (2) is installed in the air-permeable passage (3), the air-permeable passage (3) comprises a first air-permeable passage (31) arranged between the first water inlet passage (301) and the air-permeable port (500) and a second air-permeable passage (32) arranged between the second water inlet passage (302) and the air-permeable port (500), one side of a valve core of the air-permeable valve (2) is provided with a sealing surface A (21) for opening or sealing the first air-permeable passage (31), and the other side of the valve core is provided with a sealing surface B (22) for opening or sealing the second air-permeable passage (32).
5. The novel anti-siphon device of flush valve as claimed in claim 4, characterized in that: the side, facing the sealing surface A (21), of the first air-permeable passage (31) is provided with a valve seat A (311), the side, facing the sealing surface B (22), of the second air-permeable passage (32) is provided with a valve seat B (321), and sealing rubber is respectively arranged on one side, facing the valve seat A (311), of the sealing surface A (21) and on one side, facing the valve seat B (321), of the sealing surface B (22).
6. A novel anti-siphon device for flush valve according to claim 3, characterized in that: the water inlet of the water inlet passage is communicated with the water inlet (100), the outlet end of the water inlet passage is communicated with the inlet end of the water outlet passage, a solenoid valve A (4011) and a solenoid valve B (4021) are respectively installed in the first water outlet passage (401) and the second water outlet passage (402), the solenoid valve A (4011) is used for controlling the on-off between the first water inlet passage (301) and the first water outlet passage (401), and the solenoid valve B (4021) is used for controlling the on-off between the second water inlet passage (302) and the second water outlet passage (402).
7. A novel anti-siphon device for flush valve according to any of claims 3 to 6, characterized in that: and a one-way valve (4) is arranged at the water inlet (100).
8. The new anti-siphon device of flush valve as claimed in claim 7, characterized in that: check valve (4) are including base (41) and contrary sealing rubber spare (42), install on water inlet (100) base (41), the outer lane of base (41) is equipped with sealing washer (411) with water inlet (100) inner wall looks close fit, it permeates water the hole to have seted up a plurality of in base (41), the center department at base (41) is fixed to the one end of contrary sealing rubber spare (42), and the other end has umbrella-shaped closing cap (421), the outer fringe of umbrella-shaped closing cap (421) is pressed on base (41) for close or open the hole of permeating water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120040897.6U CN215330273U (en) | 2021-01-08 | 2021-01-08 | Novel anti-siphon device for flushing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120040897.6U CN215330273U (en) | 2021-01-08 | 2021-01-08 | Novel anti-siphon device for flushing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215330273U true CN215330273U (en) | 2021-12-28 |
Family
ID=79571735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120040897.6U Active CN215330273U (en) | 2021-01-08 | 2021-01-08 | Novel anti-siphon device for flushing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215330273U (en) |
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2021
- 2021-01-08 CN CN202120040897.6U patent/CN215330273U/en active Active
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