CN212294928U - Closestool and anti-return mechanism thereof - Google Patents
Closestool and anti-return mechanism thereof Download PDFInfo
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- CN212294928U CN212294928U CN202020867672.3U CN202020867672U CN212294928U CN 212294928 U CN212294928 U CN 212294928U CN 202020867672 U CN202020867672 U CN 202020867672U CN 212294928 U CN212294928 U CN 212294928U
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Abstract
The utility model discloses a closestool and anti-return mechanism thereof, include: the body cleaner is used for cleaning a human body; a water supply pipe for supplying cleaning water to the bidet; the anti-backflow valve is provided with a water inlet and a water outlet, the water inlet is communicated with a water supply pipe, the water outlet is communicated with the body cleaning device, and an air partition is arranged between the water inlet and the water outlet; the water receiving cup is provided with a water receiving port for receiving water flow leaked by air separation, and the position of the water receiving port is not lower than the top opening of the toilet bowl; and the drainage tube is used for draining water in the butt joint water cup. The technical scheme of the utility model can effectively avoid the sewage in the blow off pipe to spill over the problem on the floor from drainage tube entry position easily, simple structure, the function is reliable.
Description
Technical Field
The utility model belongs to the technical field of the closestool technique and specifically relates to a closestool of anti-return mechanism and this anti-return mechanism is related to.
Background
Be provided with on some current toilets and carry out abluent sanitary equipment to the human body, when adopting water pipe to directly supply water to sanitary equipment, need set up backflow prevention mechanism usually, some backflow prevention mechanism adopt the structure of "air wall", the "air wall" forms the space with the water route disconnection and outside air intercommunication, make the water supply pipeline of human sanitary equipment keep the intercommunication with the outside air all the time through "air wall", consequently can not appear the problem that leads to the sewage in the toilet bowl to flow back in the pipeline when water pipe has the negative pressure.
However, since an "air break" is provided, where there is usually leakage water, in order to avoid wetting the floor by the leakage water, some solutions are to drain the leakage water through a drainage tube into a drain, from which it is drained. However, the position of the inlet of the drainage tube in the prior art is low, and when the drainage tube is blocked, sewage in the drainage tube easily overflows to the floor from the position of the inlet of the drainage tube.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the above problems and provides a backflow prevention mechanism of a toilet and a toilet with the backflow prevention mechanism, which can avoid the problem that sewage in a sewage pipe easily overflows to the floor from a drainage pipe inlet position.
In order to achieve the above purpose, the technical scheme of the utility model is that:
a backflow prevention mechanism of a toilet, comprising:
the body cleaner is used for cleaning a human body;
a water supply pipe for supplying cleaning water to the bidet;
the anti-backflow valve is provided with a water inlet and a water outlet, the water inlet is communicated with the water supply pipe, the water outlet is communicated with the bidet, and an air partition is arranged between the water inlet and the water outlet;
the water receiving cup is provided with a water receiving opening for receiving water flow leaked by the air partition, and the position of the water receiving opening is not lower than the top opening of the toilet bowl;
and the drainage tube is used for draining the water in the water receiving cup.
Preferably, the drainage tube drains the water in the water receiving cup into the toilet bowl or a sewage discharge pipe of the toilet or a flushing pipe for providing flushing water for the toilet.
Preferably, a first drainage water outlet which penetrates through the toilet bowl is formed in the side wall of the toilet bowl, the drainage tube is communicated with the first drainage water outlet, and the position of the first drainage water outlet is higher than the water seal surface of the bottom of the toilet bowl.
Preferably, the water outlet end of the drainage tube is provided with a fixed joint, and the water outlet end of the drainage tube is fixed at the first drainage water outlet through the fixed joint.
Preferably, a second drainage water outlet is formed in the blow-off pipe, the drainage pipe is communicated with the second drainage water outlet, a one-way valve is arranged at the second drainage water outlet, the one-way valve opens the second drainage water outlet in a one-way mode under the action of water flow of the drainage pipe, and when no water or insufficient water pressure exists in the drainage pipe, the one-way valve closes the second drainage water outlet.
Preferably, the water receiving cup is arranged below the air partition at intervals, and an air gap is formed between the water receiving opening and the air partition.
Preferably, the distance between the water receiving opening and the air partition in the vertical direction is greater than 20 mm.
Preferably, the length of the air partition in the water flow direction is more than 20 mm; the position of the water receiving opening is at least 1mm higher than the position of the top opening of the toilet bowl.
Preferably, the closestool also comprises a connecting piece, wherein the anti-backflow valve and the water receiving cup are connected to the connecting piece in an assembling mode, the connecting piece is fixed on the closestool body, and the anti-backflow valve is arranged right above the water receiving cup.
The utility model also provides a closestool, including closestool body, closestool apron and above-mentioned arbitrary the anti-return mechanism of closestool.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a set up water receiving cup, water receiving cup have be used for accepting by the air cuts off the water receiving mouth of the rivers that spill, the position of water receiving mouth is not less than the top opening of closestool pond, and the drainage tube is used for docking the water in the drinking cup and carries out the drainage to can effectively avoid the sewage in the blow off pipe to spill over the problem on the floor from drainage tube entry position easily, simple structure, the function is reliable.
Drawings
Fig. 1 is one of cross-sectional views of a backflow preventing mechanism of a toilet according to an embodiment of the present invention, which is a cross-sectional view taken along a direction a-a of fig. 2;
fig. 2 is a second sectional view of the backflow prevention mechanism of the toilet according to an embodiment of the present invention, which is a sectional view taken along the direction B-B of fig. 1;
fig. 3 is a schematic perspective assembly view of a backflow prevention mechanism of a toilet according to an embodiment of the present invention;
fig. 4 is a schematic perspective exploded view of a backflow prevention mechanism of a toilet according to an embodiment of the present invention;
fig. 5 is one of cross-sectional views of a backflow preventing mechanism of a toilet according to another embodiment of the present invention, which is a cross-sectional view taken in a direction D-D of fig. 6;
fig. 6 is a second sectional view of a backflow preventing mechanism of a toilet according to another embodiment of the present invention, which is a sectional view taken along the direction C-C of fig. 5;
fig. 7 is a perspective assembly view illustrating a backflow prevention mechanism of a toilet according to another embodiment of the present invention;
fig. 8 is a perspective exploded view of a backflow prevention mechanism of a toilet according to another embodiment of the present invention.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description of the present invention is provided with reference to the accompanying drawings, which are only some embodiments of the present invention, and it is obvious for a person skilled in the art to obtain other drawings without creative efforts.
As shown in fig. 1 to 4, according to an embodiment of the present invention, a backflow prevention mechanism of a toilet, the toilet 100 includes a toilet body 100, a toilet bowl 110 is formed on the toilet body 100, and the backflow prevention mechanism of the toilet includes a bidet 10, a water supply pipe 20, a backflow prevention valve 30, a drainage pipe 40, and a water receiving cup 50.
The bidet 10 is used to wash a human body; a water supply pipe 20 for supplying cleaning water to the bidet 10; the anti-backflow valve 30 has a water inlet 31 and a water outlet 32, the water inlet 31 is communicated with the water supply pipe 20, the water outlet 32 is communicated with the bidet 10, and an air partition 33 is provided between the water inlet 31 and the water outlet 32; the drainage tube 40 is used for draining water in the butt joint water cup 50; the water receiving cup 50 has a water receiving opening 51 for receiving the water flow leaking from the air partition 33, and the position of the water receiving opening 51 is not lower than the top opening of the toilet bowl 110.
In this embodiment, the drainage tube 40 drains the water in the water receiving cup 50 into the drainage pipe 120 of the toilet, and the drained water is drained through the drainage pipe 120.
Specifically, a second drainage water outlet 121 is arranged on the sewage discharge pipe 120, and the drainage pipe 40 is communicated with the second drainage water outlet 121. In order to prevent the sewage in the sewage discharge pipe 120 from flowing back into the drainage pipe 40, the one-way valve 70 is arranged at the second drainage water outlet 121, the one-way valve 70 opens the second drainage water outlet 121 in one way under the action of the water flow of the drainage pipe 40, and when no water or insufficient water pressure exists in the drainage pipe 40, the one-way valve 70 closes the second drainage water outlet 121.
More specifically, as shown in fig. 4, the check valve 70 includes a valve plate 71, an elastic resetting member 72 and a sealing member 73, the elastic resetting member 72 applies a resetting force to the valve plate 71 in a direction to close the second drainage water outlet 121, the elastic resetting member 72 is specifically a compression spring, and the sealing member 73 is disposed between the valve plate 71 and the second drainage water outlet 121, so that the valve plate 71 seals and closes the second drainage water outlet 121.
As shown in fig. 1 and 2, in the present embodiment, the water receiving cup 50 is disposed below the air partition 33 at an interval, an air gap is formed between the water receiving opening 51 and the air partition 33, a distance L1 between the water receiving cup 50 and the air partition 33 in the vertical direction is greater than 20mm, that is, a distance L1 of the air gap in the vertical direction is greater than 20mm, and a length L2 of the air partition 33 in the water flow direction is greater than 20 mm.
Preferably, as shown in fig. 2, the distance L3 between the position of the water receiving opening 51 and the position of the top opening of the toilet bowl 110 is at least 1 mm. Of course, the position of the water receiving opening 51 can be selected to be flush with the top opening of the toilet bowl 110.
In this embodiment, the anti-backflow toilet further comprises a connecting piece 60, the anti-backflow valve 30 and the water receiving cup 50 are connected to the connecting piece 60 in an assembling mode, the water receiving cup 50 and the connecting piece 60 are integrally formed, the connecting piece 60 is fixed to the rear portion of the toilet body 100 through a bolt assembly, the anti-backflow valve 30 is arranged right above the water receiving cup 50, and the anti-backflow valve 30 and the water receiving cup 50 can be installed more conveniently through the connecting piece 60.
As shown in fig. 5 to 8, in another embodiment of the present invention, the difference from the above embodiment is that the drainage tube 40 of the present embodiment drains the water in the water receiving cup 50 into the toilet bowl 110 of the toilet, but not into the drainage pipe 120. Specifically, a first drainage water outlet 111 is arranged on the side wall of the toilet bowl 110, the drainage tube 40 is communicated with the first drainage water outlet 111, and the position of the first drainage water outlet 111 is higher than the water cover at the bottom of the toilet bowl 110.
For convenience of installation, in the present embodiment, the water outlet end of the drainage tube 40 is provided with a fixed joint 80, and the water outlet end of the drainage tube 40 is fixed at the first drainage water outlet 111 through the fixed joint 80.
In other embodiments, the drainage tube 40 may be configured to drain water from the water cup 50 to a flush tube (not shown) that provides flush water to the toilet.
In addition, the utility model also provides a closestool, including closestool body, closestool apron and above-mentioned any one the anti-return mechanism of closestool.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A backflow prevention mechanism of a toilet, comprising:
the body cleaner is used for cleaning a human body;
a water supply pipe for supplying cleaning water to the bidet;
the anti-backflow valve is provided with a water inlet and a water outlet, the water inlet is communicated with the water supply pipe, the water outlet is communicated with the bidet, and an air partition is arranged between the water inlet and the water outlet;
the water receiving cup is provided with a water receiving opening for receiving water flow leaked by the air partition, and the position of the water receiving opening is not lower than the top opening of the toilet bowl;
and the drainage tube is used for draining the water in the water receiving cup.
2. The backflow prevention mechanism of a toilet bowl as claimed in claim 1, wherein the drainage tube drains water from the drip cup into the toilet bowl or into a drain pipe of the toilet bowl or into a flush pipe supplying flush water to the toilet bowl.
3. The backflow prevention mechanism for the toilet according to claim 2, wherein a first drainage water outlet is formed through the side wall of the toilet bowl, the drainage tube is communicated with the first drainage water outlet, and the first drainage water outlet is higher than the water sealing surface of the bottom of the toilet bowl.
4. The backflow prevention mechanism of a toilet bowl as set forth in claim 3, wherein the water outlet end of the drainage tube is provided with a fixing joint, and the water outlet end of the drainage tube is fixed at the first drainage water outlet through the fixing joint.
5. The backflow prevention mechanism for the toilet according to claim 2, wherein the drain pipe is provided with a second drainage water outlet, the drainage pipe is communicated with the second drainage water outlet, the second drainage water outlet is provided with a one-way valve, the one-way valve opens the second drainage water outlet in one way under the action of water flow of the drainage pipe, and the one-way valve closes the second drainage water outlet when no water exists in the drainage pipe or when the water pressure is insufficient.
6. The anti-backflow mechanism for a toilet according to claim 1, wherein the water receiving cup is spaced below the air partition, and an air gap is formed between the water receiving opening and the air partition.
7. The backflow prevention mechanism of a toilet of claim 6, wherein a distance between the water receiving opening and the air partition in a vertical direction is greater than 20 mm.
8. The backflow prevention mechanism of a toilet bowl according to claim 1, wherein the air partition has a length in a water flow direction of more than 20 mm; the position of the water receiving opening is at least 1mm higher than the position of the top opening of the toilet bowl.
9. The backflow prevention mechanism for a toilet according to claim 1, further comprising a connecting member, wherein the backflow prevention valve and the water receiving cup are attached to the connecting member, the connecting member is fixed to the toilet body, and the backflow prevention valve is disposed right above the water receiving cup.
10. A toilet bowl comprising a toilet bowl body and a toilet bowl cover, further comprising a backflow prevention mechanism of the toilet bowl as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020867672.3U CN212294928U (en) | 2020-05-21 | 2020-05-21 | Closestool and anti-return mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020867672.3U CN212294928U (en) | 2020-05-21 | 2020-05-21 | Closestool and anti-return mechanism thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212294928U true CN212294928U (en) | 2021-01-05 |
Family
ID=73967392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020867672.3U Active CN212294928U (en) | 2020-05-21 | 2020-05-21 | Closestool and anti-return mechanism thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212294928U (en) |
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2020
- 2020-05-21 CN CN202020867672.3U patent/CN212294928U/en active Active
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