CN217352750U

CN217352750U - Odor-return-preventing drainage joint mounted at upper end of sewer pipe in building

Info

Publication number: CN217352750U
Application number: CN202220377325.1U
Authority: CN
Inventors: 徐贞合
Original assignee: Yiyuan Xingfuyuan Furniture City
Current assignee: Yiyuan Xingfuyuan Furniture City
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-09-02
Anticipated expiration: 2032-02-24

Abstract

The utility model discloses a smell returning prevention drainage joint which is arranged at the upper end of a sewer pipe in a building and comprises a shell and a sealing cover; the method is characterized in that: a sewer pipe connecting pipe is arranged at the bottom of the shell; the upper end of the sealing cover is provided with a short receiving pipe, and the inner cavity of the short receiving pipe is communicated with the inner cavity of the shell; the bottom of the inner cavity of the shell is provided with a water seal pipe, and the inner cavity of the shell is communicated with the inner cavity of the sewer pipe connecting pipe through the inner cavity of the water seal pipe; a water sealing cover is arranged in the shell cavity, and the water sealing pipe is positioned in the water sealing cover cavity; the water seal cover is composed of a barrel, supporting legs and an upper cambered surface sealing cover, the supporting legs are arranged on the peripheral edge of the lower end of the barrel, and the upper cambered surface sealing cover is fixedly arranged at the upper end opening of the barrel in a sealing mode. The utility model discloses install and use at the last port of downcomer, its upper end directly links through the lower mouth of a river below hose and vegetable washing basin or the washbasin, has avoided the smell to upwards return the flavor from the last port department of downcomer completely, also is difficult for taking place the water blockage, clearance also convenient and fast.

Description

Odor-return-preventing drainage joint mounted at upper end of sewer pipe in building

Technical Field

The utility model relates to an improvement of sewer pipe accessory in building, specifically speaking are anti-returning odour drainage joint who installs use in the interior downcomer upper end of building, and it is installed kitchen, balcony and is washd the downcomer upper end between and use in the building to accept wash basin and vegetable basin exhaust sewage, prevent that the downcomer from up returning odour, guarantee that the room air is fresh.

Background

Sewer pipes are arranged on the ground in a kitchen, a balcony and a washing room of a building, and the upper ends of the sewer pipes protrude out of the ground to receive sewage discharged by a vegetable washing basin in the kitchen, the balcony and a washing basin in the washing room; the defects of the sewer pipe in the using process are as follows: because the sewer pipe is a pipe body which is straight up and down, odor in the sewer main pipe and the sewer pipe can be discharged into a room from the upper opening of the sewer pipe in the using process, so that the indoor air environment is polluted; in order to solve the problem, at present, a bent pipe is usually arranged at a lower water opening of a washbasin in a kitchen sink, a balcony and a washing room, and odor below the bent pipe is prevented from returning upwards through water stored in the bent pipe; furthermore, fine impurities in the vegetable washing basin or the washbasin fall down, water blockage can occur when the impurities are accumulated in the bent pipe, and the cleaning is inconvenient.

Disclosure of Invention

An object of the utility model is to provide an install and use at the last port of downcomer, prevent that the smell from upwards returning the flavor from the last port department of downcomer, difficult emergence water blocking directly links through the lower mouth of a river below hose and vegetable washing basin or the wash basin, simple structure, simple to operate's the anti-returning flavor drainage joint who uses in downcomer upper end in the building.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the odor-return-preventing drainage joint arranged at the upper end of a sewer pipe in a building comprises a shell and a sealing cover; the upper port of the shell is provided with a sealing cover through threaded connection; the method is characterized in that: a sewer pipe connecting pipe is fixedly arranged at the bottom of the shell; the upper end of the sealing cover is fixedly provided with a short receiving pipe, and the inner cavity of the short receiving pipe is communicated with the inner cavity of the shell; the bottom of the inner cavity of the shell is fixedly provided with a water seal pipe, the upper end of the inner cavity of the water seal pipe is communicated with the inner cavity of the shell, and the lower end of the inner cavity of the water seal pipe is communicated with the inner cavity of the sewer pipe connecting pipe; a water sealing cover is arranged in the shell cavity, and the water sealing pipe is positioned in the water sealing cover cavity; the water seal cover is composed of a cylinder body, supporting legs and an upper cambered surface sealing cover, the supporting legs are arranged on the peripheral edge of the lower end of the cylinder body, and the upper port of the cylinder body is fixedly provided with the upper cambered surface sealing cover in a sealing mode.

And a sealing ring is arranged between the upper opening edge of the shell and the sealing cover.

The supporting legs are 3-6 and are uniformly distributed on the periphery of the lower end of the barrel.

And helical blades are uniformly distributed on the outer wall of the upper part of the cambered surface upper sealing cover.

The spiral blades are 3-5 and are uniformly distributed on the outer wall of the cambered surface upper sealing cover.

The downcomer connecting pipe comprises an outer pipe and an inner pipe, the outer pipe is fixedly arranged on the bottom panel of the shell, the inner pipe is arranged in the cavity of the outer pipe, the cavity of the inner pipe is communicated with the cavity of the water seal pipe, and the annular cavity between the outer pipe and the inner pipe is an inserting groove for inserting the upper end opening of the downcomer.

The width of the slot is matched with the wall thickness of the sewer pipe.

And a sealing gasket is arranged in the slot.

The height of the water seal pipe is two thirds of the height of the inner cavity of the shell.

The central axes of the short receiving pipe, the water seal pipe and the sewer pipe connecting pipe are superposed.

The beneficial effects of the utility model reside in that: the utility model discloses install and use at the last port of downcomer, its upper end directly links through the lower mouth of a river below hose and vegetable washing basin or the washbasin, has avoided smell to upwards return flavor from the last port department of downcomer completely, simple structure, simple to operate also is difficult for taking place water blocking, clearance also convenient and fast.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a schematic sectional view of the present invention taken along the line A-A in FIG. 1;

FIG. 3 is a schematic front view of a water sealing cover of one shape according to the present invention;

fig. 4 is a schematic top view of another water sealing cover according to the present invention.

In the figure: 1. a housing; 2. a sealing cover; 3. carrying short pipes; 4. a sewer pipe connecting pipe; 41. an outer tube; 42. an inner tube; 43. a slot; 5. a seal ring; 6. water sealing the pipe; 7. a water enclosure; 71. a cylinder body; 72. supporting legs; 73. sealing the cover on the arc surface; 74. the blades are rotated.

Detailed Description

The present invention is manufactured with reference to fig. 1, 2, and 3.

The odor-return-preventing drainage joint arranged at the upper end of a sewer pipe in a building comprises a shell 1 and a sealing cover 2; the upper port of the shell 1 is provided with a sealing cover 2 through threaded connection so as to be convenient to disassemble; the method is characterized in that: a sewer pipe connecting pipe 4 is fixedly arranged at the bottom of the shell 1 and is fixedly connected with an upper end opening of a sewer pipe through the sewer pipe connecting pipe 4; the upper end of the sealing cover 2 is fixedly provided with a short receiving pipe 3, the inner cavity of the short receiving pipe 3 is communicated with the inner cavity of the shell 1, and a water outlet of a hose connected with the bottom of a vegetable basin or a washbasin is inserted into the opening of the short receiving pipe 3 so that sewage flows into the cavity of the short receiving pipe 3; the bottom of the inner cavity of the shell 1 is fixedly provided with a water seal pipe 6, the upper end of the inner cavity of the water seal pipe 6 is communicated with the inner cavity of the shell 1, and the lower end of the inner cavity of the water seal pipe 6 is communicated with the inner cavity of the sewer pipe connecting pipe 4, so that sewage in the inner cavity of the shell 1 can enter from the upper end opening of the water seal pipe 6 and then flow out from the lower end opening of the water seal pipe 6 into the sewer pipe connecting pipe 4 and finally is discharged into the sewer pipe; a water sealing cover 7 is arranged in the cavity of the shell 1, and a water sealing pipe 6 is positioned in the cavity of the water sealing cover 7; the water seal cover 7 is composed of a cylinder 71, supporting legs 72 and an upper arc sealing cover 73, the supporting legs 72 are arranged on the peripheral edge of the lower end of the cylinder 71, the upper end opening of the cylinder 71 is fixedly provided with the upper arc sealing cover 73 in a sealing mode, so that sewage in the cavity of the shell 1 can flow into the cavity of the cylinder 71 from the space between the supporting legs 72 and then flow into the cavity of the water seal pipe 6, and the purpose of water seal is achieved.

And a sealing ring 5 is arranged between the upper opening edge of the shell 1 and the sealing cover 2 to increase the sealing effect and prevent sewage from seeping.

The number of the supporting feet 72 is 3-6, and the supporting feet are uniformly distributed on the periphery of the lower end of the cylinder 71.

As an improvement, as shown in fig. 4, the outer wall of the upper part of the arc-shaped upper sealing cover 73 is uniformly distributed with helical blades 74, when the sewage in the short receiving pipe 3 flows into the cavity of the housing 1, the sewage directly falls on the arc-shaped upper sealing cover 73, and due to the action of the helical blades 74, the water flow rotates the water sealing cover 7, and the supporting legs 72 can play a role of stirring the bottom of the cavity of the housing 1, so that the deposited sewage can flow into the water sealing pipe 6 along with the water flow, and the water blocking phenomenon is prevented.

The number of the spiral blades 74 is 3-5, and the spiral blades are uniformly distributed on the outer wall of the cambered surface upper sealing cover 73.

The downcomer connecting pipe 4 is composed of an outer pipe 41 and an inner pipe 42, the outer pipe 41 is fixedly arranged on the bottom panel of the shell 1, the inner pipe 42 is arranged in the cavity of the outer pipe 41, the inner cavity of the inner pipe 42 is communicated with the inner cavity of the water seal pipe 6, the annular cavity between the outer pipe 41 and the inner pipe 42 is an inserting groove 43 inserted into the upper end opening of the downcomer, and the downcomer connecting pipe can be fixedly connected only by inserting the upper end opening of the downcomer into the inserting groove 43 during installation.

The width of the slot 43 is matched with the wall thickness of the downcomer, so that the installation is firm, and water seepage and odor return can be prevented.

The slot 43 is provided with a sealing gasket to increase the sealing effect.

The height of the water sealing pipe 6 is two thirds of the height of the inner cavity of the shell 1, and the height of the water sealing pipe 6 determines the water storage capacity of the shell 1.

The central axes of the short receiving pipe 3, the water seal pipe 6 and the sewer pipe connecting pipe 4 are superposed.

When the utility model is used, the slot 43 of the downcomer connecting pipe 4 is inserted into the upper port of the downcomer, the water outlet of the hose connected with the bottom of the vegetable basin or washbasin is inserted into the mouth of the short pipe 3, and the water outlet pipe of the water purifier can also be inserted into the mouth of the short pipe 3, so that the use is safe and convenient; if the condition of poor drainage occurs, the sealing cover 2 can be opened to check, and the inner cavity of the shell 1 and the water seal cover 7 are cleaned.

Claims

1. An anti-odor return drainage joint arranged at the upper end of a sewer pipe in a building comprises a shell (1) and a sealing cover (2); the upper port of the shell (1) is provided with a sealing cover (2) through threaded connection; the method is characterized in that: a sewer pipe connecting pipe (4) is fixedly arranged at the bottom of the shell (1); the upper end of the sealing cover (2) is fixedly provided with a short receiving pipe (3), and the inner cavity of the short receiving pipe (3) is communicated with the inner cavity of the shell (1); the bottom of the inner cavity of the shell (1) is fixedly provided with a water seal pipe (6), the upper end of the inner cavity of the water seal pipe (6) is communicated with the inner cavity of the shell (1), and the lower end of the inner cavity of the water seal pipe (6) is communicated with the inner cavity of the sewer pipe connecting pipe (4); a water sealing cover (7) is arranged in the cavity of the shell (1), and the water sealing pipe (6) is positioned in the cavity of the water sealing cover (7); the water sealing cover (7) is composed of a cylinder body (71), supporting legs (72) and an arc-surface upper sealing cover (73), the supporting legs (72) are arranged on the peripheral edge of the lower end of the cylinder body (71), and the arc-surface upper sealing cover (73) is fixedly arranged at the upper end opening of the cylinder body (71) in a sealing mode.

2. The odor return preventing drainage joint installed at the upper end of the sewer pipe in the building according to claim 1, characterized in that: and a sealing ring (5) is arranged between the upper opening edge of the shell (1) and the sealing cover (2).

3. The odor return preventing drainage joint installed at the upper end of the sewer pipe in the building according to claim 1, characterized in that: the number of the supporting legs (72) is 3-6, and the supporting legs are uniformly distributed on the periphery of the lower end of the cylinder body (71).

4. The odor-return-preventing drainage joint installed at the upper end of a sewer pipe in a building as claimed in claim 1, wherein: the outer wall of the upper part of the cambered surface upper sealing cover (73) is uniformly distributed with helical blades (74).

5. The odor return prevention drain joint installed at the upper end of a sewer pipe in a building according to claim 4, characterized in that: the number of the spiral blades (74) is 3-5, and the spiral blades are uniformly distributed on the outer wall of the cambered surface upper sealing cover (73).

6. The odor-return-preventing drainage joint installed at the upper end of a sewer pipe in a building as claimed in claim 1, wherein: the downcomer connecting pipe (4) is composed of an outer pipe (41) and an inner pipe (42), the outer pipe (41) is fixedly arranged on the bottom panel of the shell (1), the inner pipe (42) is arranged in the cavity of the outer pipe (41), the inner cavity of the inner pipe (42) is communicated with the inner cavity of the water seal pipe (6), and an annular cavity between the outer pipe (41) and the inner pipe (42) is an inserting groove (43) inserted into an upper end opening of a downcomer.

7. The odor return prevention drain joint installed at the upper end of a sewer pipe in a building according to claim 6, characterized in that: the width of the slot (43) is matched with the wall thickness of the downcomer.

8. The odor return prevention drain joint installed at the upper end of a sewer pipe in a building according to claim 6, characterized in that: a sealing gasket is arranged in the slot (43).

9. The odor-return-preventing drainage joint installed at the upper end of a sewer pipe in a building as claimed in claim 1, wherein: the height of the water seal pipe (6) is two thirds of the height of the inner cavity of the shell (1).

10. The odor-return-preventing drainage joint installed at the upper end of a sewer pipe in a building as claimed in claim 1, wherein: the central axes of the short receiving pipe (3), the water seal pipe (6) and the sewer pipe connecting pipe (4) are superposed.