CN219909237U - Anti-backflow drain pipe - Google Patents

Abstract

The utility model discloses a backflow-preventing drain pipe, and relates to the technical field of drain pipes. The backflow-preventing drain pipe comprises a drain pipe body, wherein one end of the drain pipe body is a connecting end, and the other end of the drain pipe body is a drain end; the drainage end is arranged in an inclined shape; still including rotating the apron that sets up in drainage end department, the apron pastes on the inclined plane of drainage end under the action of gravity, a side wall of apron towards drainage end is provided with the sheet rubber of laminating with the drainage end. Through setting up the drain terminal into the slope form for the apron can attach in drain terminal department under the action of gravity, when not draining, the apron covers at the drain terminal under the action of gravity, seals drain terminal, does not need peripheral hardware, and simple structure, when water had the trend of backward flowing, water was returned to drain terminal and is irritated, and water impact was on the apron this moment, and the apron is hugged closely at drain terminal, realizes the closure to drain terminal, thereby makes the water that returns to irritate can not get into the drain pipe internally, realizes preventing the effect of backward flowing.

Description

Anti-backflow drain pipe

Technical Field

The utility model relates to the technical field of drain pipes, in particular to a drain pipe capable of preventing backflow.

Background

The drain pipe mainly bears the drainage tasks of rainwater, sewage, farmland drainage and irrigation, and the like. The drain pipe is divided into a plastic drain pipe, a Concrete Pipe (CP) and a reinforced concrete pipe.

In recent years, during the rainstorm in summer, rainwater often flows back into a industry owner through a sewer pipeline for one night, and the rainwater is discovered after an electric fault or accident of a household appliance is caused, so that great trouble is often brought to the life of people, in addition, the river level is increased sometimes because of too much discharged sewage, and the road sewer pipe is blocked, so that the sewage flows back to the sewage pipe in a community, and the domestic water pipeline of a resident can flow back to the home of the resident.

Some water pipes that prevent flowing backward set up the apron and be used for sealing the pipeline tip, and the pipeline tip is straight cutting, and when the drainage, water is towards the apron, realizes the function of check valve, and in order to be when not draining apron and pipeline tip contact seal carry out dustproof deodorant, be connected through the elastic component between apron and the straight pipeline tip generally, after the drainage, the elastic component resets the apron and seals the pipeline tip, has increased the resistance of drainage like this.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a backflow-preventing drain pipe, and solves the problem.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the anti-backflow drain pipe comprises a drain pipe body, wherein one end of the drain pipe body is a connecting end, and the other end of the drain pipe body is a drain end;

the drainage end is arranged in an inclined shape;

the water draining device further comprises a cover plate rotatably arranged at the water draining end, and the cover plate is attached to the inclined surface of the water draining end under the action of gravity.

As a further preferable mode, a side wall of the cover plate facing the water draining end is provided with a rubber sheet attached to the water draining end.

As a further preferred aspect, the water draining device further comprises a hollow cover body with two open ends, wherein one end opening of the cover body facing the water draining end is provided with a connecting ring connected with the outer wall of the water draining end, and the water draining end extends into the cover body.

As a further preferable mode, the upper end of the cover plate is rotatably connected to the upper side of the inner cavity of the cover body through a rotating shaft.

As a further preferable mode, one side, close to the connecting ring, of the inner cavity of the cover body is arranged to be arc-shaped, the lower surface of the inner cavity of the cover body is arranged to be an inclined bottom surface, and one end, close to the connecting ring, of the lower surface of the inner cavity of the cover body is higher than the other end.

As a further preferable mode, a water baffle is arranged on one side, far away from the drainage end, of the upper surface of the inner cavity of the cover body.

(III) beneficial effects

The utility model provides a backflow-preventing drain pipe. The beneficial effects are as follows:

(1) According to the anti-backflow drain pipe, the drain end is inclined, so that the cover plate can be attached to the drain end under the action of gravity, when the drain is not performed, the cover plate covers the drain end under the action of gravity, the drain end is closed, an external structure is not needed, and the structure is simple;

(2) When water has a flowing backward trend, the water flows back to the drainage end, at the moment, the water impacts the cover plate, the cover plate is tightly attached to the drainage end, and the sealing of the drainage end is realized, so that the flowing backward water cannot enter the drainage pipe body, and the flowing backward preventing effect is realized.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of FIG. 1 in accordance with the present utility model;

FIG. 3 is a schematic view of the drainage system of FIG. 2 according to the present utility model;

fig. 4 is a schematic view of the anti-backflow structure of fig. 2 according to the present utility model.

In the figure: 100. a drain pipe body; 101. a connection end; 102. a drainage end; 103. a cover plate; 200. a cover body; 201. a connecting ring; 202. a sloped bottom surface; 203. and a water baffle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides the following technical solutions: the anti-backflow drain pipe comprises a drain pipe body 100, wherein one end of the drain pipe body 100 is a connecting end 101, and the other end is a drain end 102;

the drain end 102 is arranged in an inclined shape;

also included is a cover plate 103 rotatably disposed at the drain end 102, the cover plate 103 being attached to the inclined surface of the drain end 102 by gravity. Under the action of gravity, the cover plate 103 can cover the drain end 102, so that the drain end 102 is closed.

Preferably, a rubber sheet attached to the drain end 102 is provided on a side wall of the cover 103 facing the drain end 102. The arrangement of the rubber sheet can be bonded and sealed with the drain end 102 when the cover plate 103 is close to the drain end 102, and the rubber material has the effects of buffering and noise reduction.

As shown in fig. 1 and 2, the cover body 200 is hollow and has two open ends, one end opening of the cover body 200 facing the water draining end 102 is provided with a connecting ring 201 connected with the outer wall of the water draining end 102, and the water draining end 102 extends into the cover body 200.

When in use, the connecting ring 201 is connected with the water draining end 102 through screw thread fit, so that the disassembly and the assembly are convenient.

As shown in fig. 2, the upper end of the cover 103 is rotatably connected to the upper side of the inner cavity of the cover 200 through a rotation shaft.

The cover plate 103 is connected with the cover body 200, so that the drain end 102 can be conveniently detached, and the drain end is protected through the arrangement of the cover body 200, so that damage to the cover plate 103 and the drain end 102 by external objects is prevented.

As shown in fig. 2, one side of the inner cavity of the cover 200, which is close to the connecting ring 201, is provided with an arc surface, the lower surface of the inner cavity of the cover 200 is provided with an inclined bottom surface 202, and one end of the lower surface of the inner cavity of the cover 200, which is close to the connecting ring 201, is higher than the other end.

The inclined bottom surface 202 is arranged, when water has a backward flowing trend, the water enters the cover body 200, and the inclined bottom surface 202 can guide out impurities such as silt entering the cover body 200 along with the water.

As shown in fig. 2, a water baffle 203 is disposed on a side of the upper surface of the inner cavity of the cover 200 away from the drainage end 102. The water baffle 203 is arranged to block water entering the cover body 200, so that a turbulent flow effect is achieved, and the water is prevented from being impacted too much in the cover body 200.

In operation, as shown in fig. 3, the water in the drain pipe body 100 flows outwards through the drain end 102 by connecting the connection end 101 with the drain, and then flows out after breaking through the cover plate 103 and entering the cover body 200, and after draining, the cover plate 103 falls under the action of gravity to cover and seal the drain end 102.

As shown in fig. 4, when water tends to flow backward, the water enters the housing 200 from the outside and flows toward the drain end 102, is blocked by the cover plate 103, does not enter the drain body 100, and is then discharged from the right side of the housing 200 while turning back.

To sum up, this prevent drain pipe that flows backward, through setting up the drain end into the slope form for the apron can attach in drain end department under the action of gravity, when not drainage, the apron is covered at drain end under the action of gravity, seals drain end, does not need peripheral hardware, simple structure, when water has the trend of flowing backward, water flows back to drain end, and water impact is on the apron this moment, and the apron is hugged closely at drain end, realizes sealing to drain end, thereby makes the water that flows back can not get into the drain pipe internal, realizes preventing the effect of flowing backward.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Prevent drain pipe of backward flowing, including drain pipe body (100), its characterized in that: one end of the drain pipe body (100) is a connecting end (101), and the other end is a drain end (102);

the water discharge end (102) is arranged in an inclined shape;

the water draining device further comprises a cover plate (103) rotatably arranged at the water draining end (102), and the cover plate (103) is attached to the inclined surface of the water draining end (102) under the action of gravity.

2. The backflow preventing drain pipe according to claim 1, wherein: a rubber sheet attached to the drainage end (102) is arranged on one side wall, facing the drainage end (102), of the cover plate (103).

3. The backflow preventing drain pipe according to claim 1, wherein: the novel water draining device further comprises a hollow cover body (200) with two open ends, wherein one end opening of the cover body (200) facing the water draining end (102) is provided with a connecting ring (201) connected with the outer wall of the water draining end (102), and the water draining end (102) extends into the cover body (200).

4. A backflow preventing drain pipe as defined in claim 3, wherein: the upper end of the cover plate (103) is rotatably connected to the upper side of the inner cavity of the cover body (200) through a rotating shaft.

5. The backflow preventing drain pipe according to claim 3 or 4, wherein: one side of the inner cavity of the cover body (200) close to the connecting ring (201) is arranged to be arc-shaped, the lower surface of the inner cavity of the cover body (200) is arranged to be an inclined bottom surface (202), and one end of the lower surface of the inner cavity of the cover body (200) close to the connecting ring (201) is higher than the other end.

6. The backflow preventing drain pipe according to claim 3 or 4, wherein: a water baffle (203) is arranged on one side, far away from the drainage end (102), of the upper surface of the inner cavity of the cover body (200).