CN210049331U - Water supply and drainage structure for kitchen and bathroom of high-rise building - Google Patents

Abstract

The utility model relates to a water supply and drainage structure for kitchen and toilet of high-rise buildings, which solves the problem of pollution caused by the easy backwash of sewage odor. It includes a water collection tank, a drainage main pipe connected to the water collection tank, and a drainage branch pipe connected to the drainage main pipe. The bottom of the water collecting tank gradually shrinks downward in the direction away from the side wall of the water collecting tank to form a cone. A check valve is arranged on the drainage branch pipe, and an emergency valve is arranged between the check valve and the drainage main pipe. The drain main pipe is provided with a buffer pipe and a return pipe, the buffer pipe is arranged in the water collecting tank and communicated with the water collecting tank, and the return pipe is arranged below the water collecting tank and communicated with the lowest part of the bottom of the water collecting tank. A filter screen is respectively arranged in the buffer pipe and the return pipe, and a sealing sleeve is sleeved at the circumferential edge of the filter screen. The arrangement of the buffer pipe and the return pipe makes the water collecting tank and the drainage main pipe communicate with each other in a circular manner, which can release the air pressure generated by the rapid discharge of sewage from the high-rise building into the water collecting tank, prevent the pipeline from breaking, and avoid odor and sewage backwash.

Description

A water supply and drainage structure for kitchen and bathroom in high-rise buildings

technical field

The utility model relates to the technical field of water supply and drainage structures for kitchens and toilets, in particular to a water supply and drainage structure for kitchens and toilets in high-rise buildings.

Background technique

At present, with the increasing demand for housing, the floors of residential buildings are getting higher and higher, and most of the water supply and drainage systems of high-rise buildings have the problem of odor back. , causing the floor drain water seal of the lower-level households to be broken, causing the odor to flow out of the pipeline, resulting in the adverse consequences of the floor drain returning odor or the sewage spraying out of the floor drain of the lower-level households, affecting the quality of life and physical and mental health of the occupants, and causing harm to people's lives. serious impact.

In the Chinese invention patent with the authorization announcement number CN101435212B, a modular water supply and drainage device for kitchen and bathroom for high-rise buildings is disclosed. A closed lateral branch pipe and a toilet discharge port connected to one end of the closed lateral branch pipe. An air storage chamber is arranged in the collecting water tank. The upper and lower ends of the air storage chamber are respectively connected to the short joint of the riser. A closed pipe and a three-way valve are arranged in the collecting water tank. Protruding from the top of the collecting water tank and installed with water supply and drainage fittings connection port, the three-way valve is installed on the airtight pipe. There is an inspection port on the top of the collecting water tank, and the inspection port corresponds to the setting of the three-way valve. By arranging a closed pipe and a three-way valve in the water collecting tank, the above-mentioned device achieves the purpose of controlling the collection and release of water, which is beneficial to prevent odor from returning.

However, the three-way valve in the above-mentioned prior art solution is independently controlled by electricity or sound, which is complicated to use and has a high maintenance cost.

Utility model content

The purpose of the utility model is to provide a water supply and drainage structure for kitchen and bathroom in high-rise buildings, which has a simple structure, can effectively buffer the air pressure generated by sewage leakage of high-rise buildings, and avoid the backwash of sewage odor.

The above-mentioned utility model purpose of the present utility model is achieved through the following technical solutions:

A water supply and drainage structure for kitchen and bathroom in a high-rise building, comprising a water collection tank, a drainage main pipe connected to the water collection tank, a drainage branch pipe connected to the drainage main pipe, and one end of the drainage branch pipe close to the drainage main pipe is provided with a one-way The drain main pipe is provided with a buffer pipe for connecting the water collection tank and the drain main pipe, and a return pipe for connecting the bottom of the water collection tank and the drain main pipe is provided below the water collection tank.

By adopting the above technical solution, the setting of the one-way valve enables the sewage to flow only from the drainage branch pipe to the drainage main pipe, preventing the sewage and odor from backwashing from the drainage main pipe to the kitchen or toilet to cause pollution. The buffer pipe can release the air pressure formed by the rapid discharge of sewage from high-rise buildings into the water collecting tank, preventing the pipeline from being ruptured by excessive pressure, and avoiding pollution caused by odor and sewage. The return pipe enables the water collection tank and the drainage main pipe to be in circulation, ensuring that the pressure generated by the water collection tank on the drainage main pipe can play a better buffering effect, and also enables the sewage entering the water collection tank from the buffer pipe to be discharged from the return pipe to the drainage main pipe. middle.

The utility model is further configured as follows: an emergency valve is arranged between the one-way valve and the main drainage pipe.

By adopting the above technical solution, the emergency valve can block the communication between the drain branch pipe and the drain main pipe when the one-way valve fails, preventing sewage and odors from backwashing into the drain branch pipe and causing pollution.

The utility model is further configured as follows: one end of the buffer pipe close to the main drainage pipe is provided with a first flange, a first filter screen is installed in the middle of the first flange, and one end of the return pipe is close to the main drainage pipe A second flange is provided, and a second filter screen is installed in the middle of the second flange.

By adopting the above technical solution, the arrangement of the first filter screen and the second filter screen can prevent the solid foreign matter in the sewage from entering the water collecting tank through the buffer pipe and the return pipe and causing blockage when the sewage is rapidly drained.

The utility model is further provided that sealing sleeves are respectively sleeved at the edge of the first filter screen and the edge of the second filter screen.

By adopting the above technical solution, the setting of the sealing sleeve improves the sealing performance of the contact between the filter screen and the flange, prevents the sewage from seeping out from the connection between the filter screen and the flange, and also reduces the friction between the filter screen and the flange. Friction loss, extending the service life of flanges and filters.

The utility model is further provided that: the buffer pipe is gradually inclined upward along the direction away from the main drainage pipe.

By adopting the above technical solution, the inclined arrangement of the buffer pipe can prevent the sewage from entering the buffer pipe when the pressure of the main drain is normal, reduce the erosion and corrosion of the first flange and the first filter screen by the sewage, and prolong the first flange and the first filter screen. service life.

The utility model is further provided that: the bottom of the water collecting tank gradually shrinks downward along the direction away from the side wall of the water collecting tank to form a cone, and one end of the return pipe is connected to the lowest part of the water collecting tank.

By adopting the above technical solution, the conical arrangement of the water collecting tank plays a guiding role in the sewage entering the water collecting tank, so that the sewage more easily flows into the return pipe and then into the drainage main pipe, so as to avoid the accumulation of sewage in the water collecting tank.

The utility model is further arranged as follows: the top of the water collecting tank is provided with an inspection port.

By adopting the above technical solution, the setting of the inspection port facilitates the inspection and maintenance of the inside of the water collecting tank.

To sum up, the beneficial technical effects of the present utility model are:

1. The setting of the one-way valve makes the sewage only flow from the drainage branch pipe to the drainage main pipe, preventing the sewage and odor from backwashing into the kitchen or toilet and causing pollution;

2. The setting of the buffer pipe and the return pipe makes the water collecting tank and the drainage main pipe communicate with each other in a circular manner, which can release the air pressure formed by the rapid discharge of sewage from the high-rise buildings into the water collecting tank, so as to avoid the damage of the pipeline;

3. The arrangement of the first filter screen and the second filter screen can prevent the solid foreign matter in the sewage from entering the water collecting tank and avoid clogging.

Description of drawings

Figure 1 is a schematic structural diagram of the present invention.

FIG. 2 is a partial enlarged schematic view of part A in FIG. 1 .

FIG. 3 is a partial enlarged schematic view of part B in FIG. 1 .

In the figure, 1. water collecting tank; 2. main drainage pipe; 3. drainage branch pipe; 31. one-way valve; 32. emergency valve; 4. buffer pipe; 41. first flange; 42. first filter screen; 5. Return pipe; 51, the second flange; 52, the second filter; 6, the sealing sleeve; 7, the inspection port.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

1 , the utility model discloses a water supply and drainage structure for high-rise building kitchen and bathroom, including a water collection tank 1 , a drainage main pipe 2 connected to the water collection tank 1 , and a drainage branch pipe 3 connected to the drainage main pipe 2 .

The water collecting tank 1 is a cavity structure, the upper part of the water collecting tank 1 is a cuboid structure, and the bottom of the upper side wall of the water collecting tank 1 gradually shrinks downward along the direction away from the side wall of the water collecting tank 1 to form a cone. An inspection port 7 is opened on the top of the water collecting tank 1 , and the setting of the inspection port 7 is convenient for inspection and maintenance of the interior of the water collecting tank 1 . The main drain 2 is a vertical pipeline, and the main drain 2 penetrates from the top of the water collecting tank 1 to the bottom of the water collecting tank 1 and is connected to the water collecting tank 1 .

The drain branch pipe 3 is an L-shaped pipeline. One end of the drain branch pipe 3 in the vertical direction extends out of the top of the water collection tank 1, and the end extending out of the top of the water collection tank 1 can be connected to the drain pipe of the kitchen or toilet. One end of the drain branch pipe 3 in the horizontal direction is connected to the drain main pipe 2, and one end of the drain branch pipe 3 close to the drain main pipe 2 is provided with a one-way valve 31. The setting of the one-way valve 31 makes the sewage only flow from the drain branch pipe 3 to the drain main pipe 2. , to prevent the sewage from flowing from the main drainage pipe 2 to the drainage branch pipe 3 and causing the sewage and odor to flow back into the kitchen or toilet to cause pollution.

An emergency valve 32 is also arranged between the one-way valve 31 and the main drainage pipe 2, and the emergency valve 32 is in a normally open state when the drainage system is in normal operation. When the one-way valve 31 fails, the emergency valve 32 can be closed to prevent the sewage and odor from backflushing into the drainage branch pipe 3 to cause pollution, and it can also be ensured that no sewage will flow from the drainage main pipe 2 when the one-way valve 31 is repaired. To the drain branch pipe 3, it is convenient to maintain the check valve 31.

Referring to FIG. 2 , a buffer pipe 4 is connected to the main drainage pipe 2 . The buffer pipe 4 is located inside the water collecting tank 1 and communicated with the water collecting tank 1 . A first flange 41 is installed at one end of the buffer pipe 4 close to the main drain pipe 2 , and a first filter screen 42 is installed in the first flange 41 , and the first filter screen 42 is made of stainless steel. The buffer pipe 4 can release the air pressure formed by the rapid discharge of sewage from the high-rise building into the water collecting tank 1 to prevent the pipeline from being ruptured by the expansion of the air pressure, and effectively prevent the backwash of odor and sewage. The arrangement of the first filter screen 42 can prevent the solid foreign matter in the sewage from entering the buffer pipe 4 or the water collecting tank 1 to cause blockage when the sewage rapidly drains. The inclined arrangement of the buffer pipe 4 can prevent the sewage from entering the buffer pipe 4 when the pressure of the main drain 2 is normal, reduce the erosion and corrosion of the first flange 41 and the first filter screen 42 by the sewage, and prolong the first flange 41 and the first filter screen. 42 service life.

Referring to FIG. 3 , a return pipe 5 is also connected to the main drainage pipe 2 . The return pipe 5 is located below the water collecting tank 1 and is connected to the lowest level of the conical part at the bottom of the water collecting tank 1 . A second flange 51 is installed at one end of the return pipe 5 close to the drain pipe, and a second filter screen 52 is installed in the second flange 51 , and the second filter screen 52 is also made of stainless steel. The return pipe 5 enables the water collection tank 1 and the drain main pipe 2 to be in circulation, ensuring that the pressure generated by the water collection tank 1 to the drain main pipe 2 can play a better buffering role, and also enables the sewage from the buffer pipe 4 to enter the water collection tank 1. It is discharged from the return pipe 5 to the drain main 2 . The arrangement of the second filter screen 52 can block the solid foreign matter in the sewage entering the return pipe 5 and prevent the return pipe 5 from being blocked. The conical arrangement of the water collecting tank 1 plays a guiding role in the sewage entering the water collecting tank 1 , making it easier for the sewage to flow into the drainage main pipe 2 through the return pipe 5 , so as to avoid the accumulation of sewage in the water collecting tank 1 .

The edge of the first filter screen 42 and the edge of the second filter screen 52 are respectively wrapped with a sealing sleeve 6. The sealing sleeve 6 is made of rubber and is sleeved on the circumferential edge of the first filter screen 42 and the second filter screen 52. at the edge of the circumference. The setting of the sealing sleeve 6 ensures the tightness of the contact between the filter screen and the flange, and prevents the sewage from seeping out from the connection between the filter screen and the flange. The rubber material can also reduce the friction loss between the filter screen and the flange. Extends the service life of flanges and filters.

The implementation principle of this embodiment is as follows: the setting of the check valve 31 allows the sewage to flow only from the drain branch pipe 3 to the drain main pipe 2, so as to prevent the sewage and odor from backwashing into the kitchen or toilet to cause pollution. When the one-way valve 31 fails, the backwash of sewage and odor can be prevented by closing the emergency valve 32 . The arrangement of the buffer pipe 4 and the return pipe 5 makes the water collecting tank 1 and the drainage main pipe 2 communicate with each other in a circular manner, which can release the air pressure formed by the rapid discharge of sewage from the high-rise building into the water collecting tank 1, prevent the pipeline from being ruptured due to air pressure expansion, and avoid odor and Sewage backflush. The arrangement of the filter screen can prevent the solid foreign matter in the sewage from entering into the water collecting tank 1, so as to avoid clogging. The conical arrangement at the bottom of the water collecting tank 1 guides the sewage entering the water collecting tank 1 , making it easier for the sewage to flow into the drainage main pipe 2 through the return pipe 5 and preventing the sewage from accumulating in the water collecting tank 1 .

The examples of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore: all equivalent changes made according to the structure, shape and principle of the present invention are not It should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides a high-rise building kitchen guarding is with drainage structures, includes header tank (1), communicate in the drainage of header tank (1) is responsible for (2), communicate in drainage branch pipe (3) that the drainage was responsible for (2), its characterized in that: the drainage branch pipe (3) are close to one end of the drainage main pipe (2) is provided with a one-way valve (31), the drainage main pipe (2) is provided with a buffer pipe (4) for communicating the water collecting tank (1) with the drainage main pipe (2), and the lower part of the water collecting tank (1) is provided with a return pipe (5) for communicating the bottom of the water collecting tank (1) with the drainage main pipe (2).

2. A water supply and drainage structure for kitchens and bathrooms in high-rise buildings as claimed in claim 1, wherein: an emergency valve (32) is arranged between the one-way valve (31) and the main drainage pipe (2).

3. A water supply and drainage structure for kitchens and bathrooms in high-rise buildings as claimed in claim 1, wherein: buffer tube (4) are close to the one end that the drainage was responsible for (2) is provided with first flange (41), install first filter screen (42) in the middle of first flange (41), back flow (5) are close to the one end that the drainage was responsible for (2) is provided with second flange (51), install second filter screen (52) in the middle of second flange (51).

4. A water supply and drainage structure for kitchens and bathrooms in high-rise buildings as claimed in claim 3, wherein: the edge of the first filter screen (42) and the edge of the second filter screen (52) are respectively sleeved with a sealing sleeve (6).

5. A water supply and drainage structure for kitchens and bathrooms in high-rise buildings as claimed in claim 1, wherein: the buffer tube (4) is gradually and obliquely arranged upwards along the direction far away from the main drainage pipe (2).

6. A water supply and drainage structure for kitchens and bathrooms in high-rise buildings as claimed in claim 1, wherein: the bottom of header tank (1) is along keeping away from the direction of header tank (1) lateral wall contracts downwards gradually and forms the toper, the one end of back flow (5) communicate in the lowest of header tank (1).

7. A water supply and drainage structure for kitchens and bathrooms in high-rise buildings as claimed in claim 1, wherein: the top of the water collecting tank (1) is provided with an access hole (7).

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