CN213597135U - Closestool drainage device capable of improving noise - Google Patents
Closestool drainage device capable of improving noise Download PDFInfo
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- CN213597135U CN213597135U CN202022217905.8U CN202022217905U CN213597135U CN 213597135 U CN213597135 U CN 213597135U CN 202022217905 U CN202022217905 U CN 202022217905U CN 213597135 U CN213597135 U CN 213597135U
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Abstract
The utility model discloses a closestool drainage device for improving noise, which comprises a closestool body, a water tank and a sewage pipeline, wherein two trap traps are arranged at the interval of the sewage pipeline, a first cavity and a second cavity which are separated from each other are integrally formed in the water tank, the lower parts of the first cavity and the second cavity are communicated, a water outlet is arranged at the bottom of the first cavity, a drainage valve controls the opening and closing of the water outlet, and an air cavity is formed in the second cavity when the water tank is at a working water level; still be equipped with the inhalant passage, the one end intercommunication air cavity of inhalant passage, the inner chamber between two traps of the other end and sewage pipes is linked together, makes the air cavity form the negative pressure when the drain valve is opened the outlet and is carried out the drainage, still including intercommunication air cavity and external exhaust passage, the last check valve that is equipped with of exhaust passage, when the water tank was intake, the check valve was opened, and during the water tank drainage, the check valve was in the closed condition. The utility model discloses simple structure, and can effectively improve the noise problem.
Description
Technical Field
The utility model relates to a bathroom technical field specifically relates to a closestool drainage device of noise improves.
Background
The closestool on the existing market is various in structure and different in function, wherein one closestool is characterized in that a sewage discharge pipeline forms negative pressure when the water tank discharges water, so that siphon is formed by the sewage discharge pipeline, and the aim of improving the sewage discharge effect is fulfilled. The technology of enhancing siphon by utilizing negative pressure has great advantages in the aspects of saving water of the closestool and improving the flushing function of the closestool. However, in the conventional structure of the water-saving toilet with uniform water storage as disclosed in the chinese patent publication No. CN 102268894B, during the water inlet process of the toilet, the water flow will push the gas in the water tank to the trap through the conduit 90 and the trap channel 34, so that the pollution discharge pipe generates "corrigent" noise, which brings about noise trouble.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the above problems and provides a toilet bowl drainage device with simple structure and capable of effectively improving noise.
In order to achieve the above purpose, the technical scheme of the utility model is that:
a closestool drainage device for improving noise comprises a closestool body, a water tank and a sewage discharge pipeline, wherein two trap traps are arranged at intervals on the sewage discharge pipeline, a first cavity and a second cavity which are separated from each other are integrally formed in the water tank, the lower parts of the first cavity and the second cavity are communicated, a drainage port is formed in the bottom of the first cavity, a drainage valve controls the opening and closing of the drainage port, and when the water tank is positioned at a working water level, an air cavity is formed in the second cavity; the water tank drainage device is characterized by further comprising a suction channel, wherein one end of the suction channel is communicated with the air cavity, the other end of the suction channel is communicated with an inner cavity between two traps of the sewage discharge pipeline, negative pressure is formed in the air cavity when the water discharge valve is opened to discharge water, the suction channel is communicated with the air cavity and the outside, a one-way valve is arranged on the air discharge channel, when the water tank is filled with water, the one-way valve is opened to enable gas in the air cavity to be discharged to the outside from the air discharge channel, and when the water tank discharges water, the one-way valve is in a closed.
Preferably, the check valve includes a swing piece that is provided in a swinging manner, and the swing piece swings between a position that closes the exhaust passage and a position that opens the exhaust passage.
Preferably, the cavity wall of the air cavity is provided with an exhaust hole penetrating through the air cavity, and the exhaust hole forms the exhaust channel.
Preferably, the check valve includes a valve seat and a swinging piece arranged on the valve seat in a swinging manner, the valve seat includes a connecting pipe with two through ends, the connecting pipe is fixedly and hermetically arranged through the exhaust hole, a valve port is formed on the connecting pipe, and the swinging piece is in open-close fit with the valve port to open and close the exhaust passage.
Preferably, the connecting pipe is fixed on the exhaust hole in a threaded connection mode, a clamping mode or an interference fit mode.
Preferably, the air cavity is located at the upper part of the second cavity, an air pipe is arranged in the second cavity, the upper part of the air pipe is communicated with the air cavity, the lower part of the air pipe is communicated with an inner cavity between two traps of the sewage pipeline through a communicating channel, and the inner cavity of the air pipe and the communicating channel form the air suction channel.
Preferably, the top wall and the bottom wall of the second cavity are respectively provided with a through mounting hole, the upper part and the lower part of the vent pipe are respectively arranged at the mounting holes in a sealing and penetrating manner, the upper part and the lower part of the vent pipe are respectively limited on the upper surface of the top wall and the lower surface of the bottom wall of the second cavity, the side wall of the upper part of the vent pipe is provided with a through hole for communicating the air cavity with the inner cavity of the vent pipe, the lower end of the vent pipe is communicated with the communication channel, and the channel between the through hole and the lower end of the vent pipe forms a part of the air suction channel.
Preferably, the top end of the vent pipe extends out of the second cavity and is communicated with the outside, and the vent passage is formed by a passage between the through hole and the top end opening of the vent pipe.
Preferably, the check valve comprises a valve seat and a swinging piece arranged on the valve seat in a swinging mode, the valve seat comprises a connecting pipe with two through ends, the connecting pipe is communicated with the opening at the top end of the vent pipe in a sealing mode, a valve port is formed in the connecting pipe, and the swinging piece is matched with the valve port in an opening and closing mode.
Preferably, one end of the connecting pipe is detachably connected with the top opening of the vent pipe, and the other end of the connecting pipe forms the valve port.
Preferably, the check valve is arranged above the working water level of the water tank, and after water is fed into the water tank, the check valve resets under the action of gravity or elastic force and closes the exhaust channel; the exhaust passage is communicated with the air cavity and the first cavity, and the first cavity is communicated with the outside.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses an integrated into one piece has first cavity and second cavity in the water tank to make closestool drainage device structure simpler, compact.
2. Through set up the check valve on exhaust passage, when the water tank intake, the check valve opens and makes the gaseous ability of gas intracavity is followed exhaust passage discharges to the external world, during the water tank drainage, the check valve is in the off-state to when making the water tank intake, the air of rivers extrusion second cavity discharges to the external world from exhaust passage, and can not discharge to the trap, has avoided producing the noise of "corru" in the sewage pipes.
3. The check valve comprises a swinging piece which is arranged in a swinging mode, the structure is simple, and the exhaust function is reliable.
4. The check valve includes that disk seat and swing set up swing piece on the disk seat, and the disk seat includes the connecting pipe, and the exhaust hole that is equipped with on the sealed chamber wall of wearing to locate the air cavity of connecting pipe, perhaps, the connecting pipe with the sealed intercommunication of top end opening of breather pipe, the simple structure of check valve, simple to operate.
Drawings
Fig. 1 is a cross-sectional view of a toilet bowl drainage device according to an embodiment of the present invention;
fig. 2 is a partial cross-sectional view of a toilet bowl drainage device according to an embodiment of the present invention;
fig. 3 is a perspective cross-sectional view of a water tank according to an embodiment of the present invention;
fig. 4 is a perspective view of a water tank according to an embodiment of the present invention;
fig. 5 is a schematic perspective view of an assembly of a vent tube and a check valve according to an embodiment of the present invention;
fig. 6 is an assembled cross-sectional view of a vent tube and check valve according to an embodiment of the present invention;
fig. 7 is a partial cross-sectional view of a toilet drain according to another embodiment of the present invention;
fig. 8 is a perspective cross-sectional view of a water tank according to another embodiment of the present invention;
fig. 9 is a perspective view of a water tank according to another embodiment of the present invention;
fig. 10 is a cross-sectional view of a vent pipe according to another embodiment of the present invention;
fig. 11 is a cross-sectional view of a check valve according to another embodiment of the present invention in a closed state;
figure 12 is a cross-sectional view of a check valve according to another embodiment of the present invention in an open state;
fig. 13 is an exploded view of a check valve according to another embodiment of the present invention;
fig. 14 is a perspective sectional view of a water tank according to still 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 6, a toilet bowl drainage device for improving noise according to an embodiment of the present invention includes a toilet bowl body 10, a water tank 20, and a drain pipe 30. The trapway 30 is provided with two traps, an upper trap 41 and a lower trap 42 (the dotted lines in the two traps in fig. 1 indicate water traps), at an interval, forming a cavity between the two traps through which the odor in the trapway 30 is prevented from flowing into the room air in the toilet.
As shown in fig. 2, 3 and 4, a first cavity 21 and a second cavity 22 are integrally formed in the water tank 20. The lower parts of the first cavity 21 and the second cavity 22 are communicated through the overflowing hole 23, a water outlet 211 is arranged at the bottom of the first cavity 21, and a drain valve 50 controls the opening and closing of the water outlet 211. When the water tank 20 is at the operating water level L, an air chamber 221 is formed at the upper portion of the second chamber 22, as shown in fig. 1. An inlet valve 90 for filling the water tank 20 with water is also provided in the first chamber 21.
The closestool drainage device is also provided with an air suction channel A, one end of the air suction channel A is communicated with the air cavity 221, the other end of the air suction channel A is communicated with an inner cavity between two traps of the sewage discharge pipeline 30, negative pressure is formed in the air cavity 221 when the drain valve 50 opens the drain outlet 211 for draining water, and then gas in the sewage discharge pipeline 30 is sucked, so that the sewage discharge pipeline 30 forms siphon, and the siphon sewage discharge effect is improved.
The closestool drainage device also comprises an exhaust passage B communicated with the air cavity 221 and the outside, the exhaust passage B is provided with a one-way valve 60, when the water tank 20 is filled with water, the one-way valve 60 is opened to enable the air in the air cavity 221 to be discharged to the outside from the exhaust passage B, so that the air in the air cavity 221 can not flow into the sewage pipeline 30 through the air suction passage A, and the noise problem generated in the water inlet process of the sewage pipeline 30 in the water tank 20 is effectively avoided. When the water tank 20 is drained, the check valve 60 is in a closed state, so that the air chamber 221 is prevented from being communicated with the outside, and negative pressure can be formed in the air chamber 221 in the draining process of the water tank 20.
In the embodiment, as shown in fig. 1, an air pipe 80 is provided in the second chamber 22, the upper part of the air pipe 80 is communicated with the air chamber 221, the lower part is communicated with the inner chamber between the two traps of the sewage pipeline 30 through a communication channel 11, and the inner chamber of the air pipe 80 and the communication channel 11 form the air suction channel a. Preferably, in the present embodiment, the communication passage 11 is integrally formed in the toilet body 10.
As shown in fig. 2, 5 and 6, the top wall and the bottom wall of the second chamber 22 are respectively provided with a through mounting hole 223, and the upper portion and the lower portion of the vent pipe 80 are respectively and sealingly inserted through the mounting hole 223. The lower portion of the vent tube 80 is provided with a lower flange 82, the vent tube 80 is limited on the lower surface of the bottom wall of the second cavity 22 by the lower flange 82, and a sealing gasket is arranged between the lower flange 82 and the lower surface of the bottom wall of the second cavity 22. The upper portion of the vent pipe 80 is provided with an external thread, the vent pipe 80 is in limited fit with the upper surface of the top wall of the second cavity 22 through a first nut 100 in threaded connection with the external thread, and a sealing gasket is arranged between the upper surfaces of the top walls of the first nut 100 and the second cavity 22. The side wall of the upper part of the breather pipe 80 is provided with a through hole 81 for communicating the air chamber 221 and the inner cavity of the breather pipe 80, the lower end of the breather pipe 80 is communicated with the communication channel 11, the channel between the through hole 81 and the lower end of the breather pipe 80 forms one part of the air suction channel A, and the communication channel 11 forms the other part of the air suction channel A. The top end of the vent pipe 80 extends out of the second cavity 221 and is communicated with the outside, and the vent passage B is formed by a passage between the through hole 81 and the top end opening of the vent pipe 80.
As shown in fig. 6, in the present embodiment, the check valve 60 includes a valve seat 61 and a swinging piece 62 swingably provided on the valve seat 61, and the swinging piece 62 swings between a position closing the exhaust passage B and a position opening the exhaust passage B. The valve seat 61 includes a connection pipe 611 having both ends penetrating therethrough, one end of the connection pipe 611 is detachably and hermetically communicated with the top end opening of the breather pipe 80, the other end of the connection pipe 611 forms a valve port, and the swing piece 62 is in open-close engagement with the valve port to open and close the exhaust passage B.
In this embodiment, the check valve 60 is disposed above the working water level of the water tank 20, and after the water tank is filled with water, the swing piece 62 of the check valve 60 falls down and resets under the action of its own gravity to close the exhaust passage B, so that the exhaust passage B is kept closed in a normal state, and the problem that the odor in the sewage pipeline 30 is communicated with the room through the exhaust passage B to affect the indoor air quality is avoided. In other embodiments, the swinging plate 62 may also be reset to close the exhaust passage B by an elastic force or other reset force. In order to make the swinging piece 62 effectively close the exhaust passage B, the swinging piece 62 is further provided with a sealing piece 63.
In this embodiment, the air discharge passage B communicates the air chamber 221 and the first chamber 21, and the first chamber 21 communicates with the outside, that is, the air discharge passage B communicates with the outside through the first chamber 21.
When the water tank 20 is filled with water, the water inlet valve 90 is opened to feed water into the first cavity 21, the water in the first cavity 21 flows into the second cavity 22 through the overflowing hole 23, along with the continuous water feeding of the water tank 20, the water levels in the first cavity 21 and the second cavity 22 continuously rise, the water flow of the second cavity 22 extrudes the air in the second cavity 22, so that the air pressure in the second cavity 22 rises, the swinging piece 62 on the one-way valve 60 swings upwards and opens the valve port under the action of the air pressure, so that the exhaust passage B is opened, the air in the second cavity 22 can be discharged to the outside from the exhaust passage B, and cannot be discharged to the water storage bend of the sewage pipeline 30, and the generation of 'corr' noise in the sewage pipeline 30 is avoided. After the water tank 20 finishes water inlet, the swing sheet 62 falls down and resets under the action of self gravity and closes the exhaust passage B, thereby preventing the sewage drain 30 from being communicated with the indoor air through the exhaust passage B.
When the water tank 20 is drained, the drain valve 50 opens the drain port 211, the water in the first chamber 21 is drained from the drain port 211, and the water in the second chamber 22 flows into the first chamber 21 through the through-hole 23 and is drained from the drain port 211. At this time, the check valve 60 is in a closed state, so that the second cavity 22 generates negative pressure along with the discharge of water flow, so that gas in the sewage pipeline 30 can be sucked, the sewage pipeline 30 is prompted to form siphon, and the siphon sewage discharge effect is improved.
Referring to fig. 7 to 13, in another embodiment of the toilet drainage device for improving noise according to the present invention, the embodiment is different from the above embodiments in that the one-way valve 60 is disposed at a different position, the one-way valve 60 of the embodiment is not disposed on the vent pipe 80, and the top end of the vent pipe 80 is closed. Specifically, in this embodiment, the wall of the air cavity 221 is provided with an exhaust hole penetrating through the air cavity 221, and the exhaust hole 222 forms the exhaust channel B.
The connection pipe 611 of the valve seat 61 is fixedly and hermetically inserted into the exhaust hole 222, the outer end of the connection pipe 611 forms a valve port and is located outside the air chamber 221, the inner end of the connection pipe 611 is located in the air chamber 221, and the swing piece 62 is in open-close fit with the valve port to open and close the exhaust passage B.
In order to conveniently fix the check valve 60 at the discharge hole 222, the connection pipe 611 of the present embodiment is fixed at the discharge hole 222 by being threadedly coupled with a second nut 70. In other embodiments, the check valve 60 may be fixed to the exhaust hole 222 by a snap-fit or interference fit.
In this embodiment, the air outlet hole 222 is opened on the side wall of the air cavity 221. Alternatively, the air discharge hole 222 may be selectively opened on the top wall of the air chamber 221, as shown in fig. 14.
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 (11)
1. A closestool drainage device for improving noise comprises a closestool body, a water tank and a sewage discharge pipeline, wherein two trap traps are arranged at intervals on the sewage discharge pipeline; the drainage valve is characterized by also comprising an air suction channel, wherein one end of the air suction channel is communicated with the air cavity, the other end of the air suction channel is communicated with an inner cavity between two traps of the sewage discharge pipeline, and negative pressure is formed in the air cavity when the drainage outlet is opened for drainage; the water tank is characterized by further comprising an exhaust passage communicated with the air cavity and the outside, a one-way valve is arranged on the exhaust passage, when the water tank enters water, the one-way valve is opened to enable gas in the air cavity to be discharged to the outside from the exhaust passage, and when the water tank discharges water, the one-way valve is in a closed state.
2. A toilet drain as claimed in claim 1, wherein the one-way valve comprises a swingably arranged swing flap, the swing flap being swung between a position closing the vent passage and a position opening the vent passage.
3. The toilet drainage device of claim 1, wherein the wall of the air chamber is provided with an exhaust hole penetrating the air chamber, and the exhaust hole forms the exhaust channel.
4. A toilet drainage apparatus as claimed in claim 3, wherein the check valve comprises a valve seat and a swing piece swingably provided on the valve seat, the valve seat comprises a connection pipe having both ends penetrating therethrough, the connection pipe is sealingly and fixedly inserted into the exhaust hole, a valve port is formed on the connection pipe, and the swing piece is fitted to the valve port to open and close the exhaust passage.
5. The toilet drainage device of claim 4, wherein the connecting tube is fixed to the exhaust hole by a threaded connection, a snap connection or an interference fit.
6. A toilet drainage device as claimed in claim 1, wherein the air chamber is located at an upper portion of the second chamber, an air vent is provided in the second chamber, the upper portion of the air vent communicates with the air chamber, the lower portion communicates with the inner chamber between the two traps of the sewerage pipeline through a communication passage, and the inner chamber of the air vent and the communication passage form the air suction passage.
7. A toilet drainage device as claimed in claim 6, wherein the top wall and the bottom wall of the second chamber are respectively provided with a through mounting hole, the upper part and the lower part of the vent pipe are respectively and sealingly inserted into the mounting holes, the upper part and the lower part of the vent pipe are respectively limited on the upper surface of the top wall and the lower surface of the bottom wall of the second chamber, the side wall of the upper part of the vent pipe is provided with a through hole for communicating the air chamber with the inner cavity of the vent pipe, the lower end of the vent pipe is communicated with the communication channel, and the channel between the through hole and the lower end of the vent pipe forms a part of the air suction channel.
8. A toilet drainage device according to claim 7, wherein the top end of the vent pipe extends out of the second chamber and communicates with the outside, and the passage between the through hole and the top end opening of the vent pipe forms the air discharge passage.
9. The toilet drainage device according to claim 8, wherein the check valve comprises a valve seat and a swinging piece which is swingably provided on the valve seat, the valve seat comprises a connection pipe having both ends penetrating therethrough, the connection pipe is in sealed communication with the top opening of the vent pipe, a valve port is formed on the connection pipe, and the swinging piece is in open-close engagement with the valve port.
10. A toilet drainage device as claimed in claim 9, wherein one end of the connecting tube is detachably connected to the top opening of the vent tube, and the other end forms the valve port.
11. The toilet bowl drainage device according to claim 1, wherein the check valve is arranged above the working water level of the water tank, and after the water tank is filled with water, the check valve resets under the action of self gravity or elastic force and closes the exhaust passage; the exhaust passage is communicated with the air cavity and the first cavity, and the first cavity is communicated with the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022217905.8U CN213597135U (en) | 2020-09-30 | 2020-09-30 | Closestool drainage device capable of improving noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022217905.8U CN213597135U (en) | 2020-09-30 | 2020-09-30 | Closestool drainage device capable of improving noise |
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| Publication Number | Publication Date |
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| CN213597135U true CN213597135U (en) | 2021-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022217905.8U Active CN213597135U (en) | 2020-09-30 | 2020-09-30 | Closestool drainage device capable of improving noise |
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| CN (1) | CN213597135U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232744A (en) * | 2021-12-22 | 2022-03-25 | 谷力(厦门)科技有限公司 | Low water tank toilet |
-
2020
- 2020-09-30 CN CN202022217905.8U patent/CN213597135U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232744A (en) * | 2021-12-22 | 2022-03-25 | 谷力(厦门)科技有限公司 | Low water tank toilet |
| CN114232744B (en) * | 2021-12-22 | 2024-01-30 | 谷力(厦门)科技有限公司 | Low water tank toilet |
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