CN217630909U

CN217630909U - Building drainage pipeline

Info

Publication number: CN217630909U
Application number: CN202221472147.7U
Authority: CN
Inventors: 李威; 黄小勇
Original assignee: Guangdong Yusheng Construction Engineering Co ltd
Current assignee: Guangdong Yusheng Construction Engineering Co ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-10-21
Anticipated expiration: 2032-06-13

Abstract

The application belongs to the technical field of drainage pipelines, and relates to a building drainage pipeline, which comprises a pipeline body with an inlet and an outlet, wherein a plurality of water baffles which are obliquely arranged are arranged inside the pipeline body, the high ends of the water baffles face to one side far away from the axis of the pipeline body, the low ends of the water baffles face to the direction close to the axis of the pipeline body, and the water baffles are arranged at intervals and in a staggered manner from the inlet to the outlet so as to increase the uniformity of impact of rainwater on each side of the inner wall of the pipeline body; the water flow area is arranged above the water baffle, and the bottom surface of the water baffle and the inner wall of the pipeline body form an air area which can retain air and prevent rainwater from filling the pipeline body. This application has the effect that reduces the pressure fluctuation, reduces drainage pipe and damages the probability.

Description

Building drainage pipeline

Technical Field

The application relates to the field of drainage pipelines, in particular to a building drainage pipeline.

Background

The gravity drainage system drains water by utilizing the water potential generated by the action of gravity, rainwater flows into a drainage pipeline connected below after being collected in a gutter of a roof and is discharged, the water flow is not pressurized in the drainage process, and the rainwater flows only by utilizing the gravity borne by the rainwater, so that the aim of draining the rainwater on the roof is fulfilled. The gravity drainage system has the characteristics of simple design and construction, safe and reliable operation, economy and practicality.

In the gravity drainage system, the pipeline of the drainage pipeline cannot be completely filled with water, and under normal conditions, when rainwater is left along the pipe wall of the drainage pipeline, the rainwater generally only occupies one part of the section of the drainage pipeline, even a small part is water, and a small part is air. For a gravity drainage system, the flow of rainwater needs to be controlled within a designed gravity flow state range, otherwise, in rainstorm days, rainwater with excessive flow enters a drainage pipeline, the flow state can exceed gravity and no pressure flow, and severe pressure fluctuation can cause drainage pipeline damage.

Therefore, the inventor of the application considers that a drainage pipeline which is suitable for a gravity flow drainage system to drain a building roof and is not easy to damage in heavy rain weather is not available at present.

SUMMERY OF THE UTILITY MODEL

In order to reduce the probability that the drainage pipe in the gravity drainage takes place to damage at heavy rain weather, this application provides building drainage pipe.

The application provides a building drainage pipe adopts following technical scheme:

the building drainage pipeline comprises a pipeline body with an inlet and an outlet, wherein a plurality of water baffles which are obliquely arranged are arranged inside the pipeline body, the high ends of the water baffles face to one side far away from the axis of the pipeline body, the low ends of the water baffles face to the direction close to the axis of the pipeline body, and the water baffles are arranged at intervals and in a staggered manner from the inlet to the outlet so as to increase the uniformity of impact of rainwater on each side of the inner wall of the pipeline body; the top of breakwater is the rivers district, and the bottom surface of breakwater and the inner wall of pipeline body form the air district that remains the air and prevent that the rainwater from being full of the pipeline body.

By adopting the technical scheme, in heavy rain weather, when a large amount of rainwater simultaneously gushes into the drainage pipeline, the rainwater is separated and blocked by the water baffle along the pipeline body and enters the water flow area, and the rainwater can only flow along the inclined upper surface of the water baffle and fall into the water flow area of the next water baffle and cannot flow into the air area below the water baffle. The inventor of this application discovers, the bottom surface of breakwater and the air district in the independent space of the inner wall formation of pipeline body can make drainage pipe's inside maintain partly be the rainwater, partly be the state of air to realize that the flow of rainwater remains throughout in the gravity flow state within range of design among the gravity drainage system, and then difficult violent pressure oscillation that appears because the rainwater of super flow flows in and leads to, thereby make drainage pipe be difficult for taking place to damage in heavy rain weather, drainage pipe's life has been improved.

Optionally, the surface of the water baffle is coated with an elastic layer for reducing the impact force of rainwater on the water baffle.

Through adopting above-mentioned technical scheme, the elastic layer has certain elasticity, and when the breakwater was strikeed to the rainwater, the effect that partly the impact force of offsetting the rainwater can be played to the elasticity on elastic layer to reduce the velocity of flow very fast, the great rainwater inflow of flow is to the impact force of breakwater, and then plays the noise that reduces the rainwater and flow in the inside of pipeline body, plays the effect of making an uproar falls in the amortization.

Optionally, the surface of the elastic layer is wavy.

Through adopting above-mentioned technical scheme, the surface area of elastic layer can further be increased to wavy elastic layer to increase the area of contact of elastic layer and rainwater, and then further promote the effect that the elastic layer was fallen the noise.

Optionally, an included angle between the water baffle and the inner wall of the pipeline body is 40-68 °.

In the in-service use process, the included angle of the inner wall of the water baffle and the pipeline body is 40-68 degrees, so that the water discharge and the water discharge speed can be better considered, the water discharge in normal rainy days and the water discharge in rainstorm days can have good water discharge effect, the water discharge speed in normal rainy days is moderate, and the water discharge speed cannot be too slow due to the separation of the water baffle.

Optionally, a drainage channel is formed at the lower end of the water baffle; the drainage channel is obliquely arranged, the high end faces to one side close to the water baffle, and the low end faces to one side close to the axis of the pipeline body.

Through adopting above-mentioned technical scheme, the drainage way can assist the rainwater to flow through fast under the condition that remains the manger plate's manger plate area for the rainwater can pass through along the drainage way is quick when the rivers district flows, has further promoted drainage speed, has slowed down drainage pressure.

Optionally, a turning plate is arranged at the inlet of the pipeline body, and the turning plate is hinged to the inner wall of the pipeline body so that the turning plate can be turned under the pressure of rainwater.

By adopting the technical scheme, the turning plate can play a role of shielding the inlet of the pipeline body in sunny days, so that external pollutants are not easy to enter the pipeline body; and when the rainwater, the rainwater flows in and reaches the upper surface of turning over the board, and under the pressure effect of rainwater, turns over the board upset and makes the rainwater normally flow in pipeline originally internally, accomplishes the drainage.

Optionally, the inner wall of the pipeline body is provided with two rotating shafts, two rotating holes matched with the two rotating shafts are formed in the side face of the turning plate, and the rotating shafts are inserted into the corresponding rotating holes so that the turning plate can rotate.

Through adopting above-mentioned technical scheme, sensitivity and flexibility ratio when can improving to turn over the board upset to reduce to turn over the influence of board to the drainage effect, make to turn over the board and can overturn as early as possible when the rainwater reachs the upper surface that turns over the board.

Optionally, the inlet of the pipeline body is provided with a filter screen for filtering impurities and pollutants.

Through adopting above-mentioned technical scheme, the filter screen can play the protection against insects and prevent the effect of animal, avoids animal and worm to climb into and cause the jam of drainage pipe in the drainage pipe. To sum up, the application comprises the following beneficial technical effects:

1. the inclined water baffle is additionally arranged, so that the bottom surface of the water baffle and the inner wall of the drainage pipeline form an air area which always retains air, and the inside of the drainage pipeline maintains a state that one part of the water is rainwater and the other part of the water is air, so that severe pressure fluctuation is not easy to occur in the overflow rainwater drainage pipeline, the drainage pipeline is not easy to damage in rainstorm weather, and the water baffle can be used for drainage of buildings at higher levels, and has the characteristics of high practicability and multiple applicable scenes;

2. this application turns over board and filter screen through addding, can play the effect of protection against insects, the outside debris of separation when keeping better drainage effect, has promoted the cleanliness factor of drainage pipe's inside.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

FIG. 2 is a partial cross-sectional view of an embodiment of the present application taken along the length of the pipe body.

Description of reference numerals: 1. a pipe body; 11. an inlet; 12. an outlet; 13. an end wall; 2. a water baffle; 21. an elastic layer; 22. a drainage duct; 23. a water flow region; 24. an air zone; 3. turning over a plate; 31. a rotating shaft; 32. rotating the hole; 4. and (4) a filter screen.

Detailed Description

The present application is described in further detail below.

The embodiment of the application discloses building drainage pipe, refer to fig. 1, including having pipeline body 1 of import 11 and export 12, combine fig. 2, the internally mounted of pipeline body 1 has a plurality of breakwaters 2, and a plurality of breakwaters 2 are arranged by import 11 to export 12 interval, straggly, and the import 11 of pipeline body 1 is provided with turns over board 3, and the top of turning over board 3 is provided with filter screen 4.

Referring to fig. 2, the pipeline body 1 is vertically arranged, the top end is an inlet 11, the bottom end is an outlet 12, and when the pipeline is used, the pipeline is installed on the outer side of a wall body of a building, and the inlet 11 is communicated with a gutter of a roof of the building. A plurality of water baffles 2 which are arranged from an inlet 11 to an outlet 12 in a staggered way are arranged in the pipeline body 1. The breakwater 2 is a semicircular circular plate, the breakwater 2 is obliquely arranged, the high end is an arc end, the high end faces one side of the axis far away from the pipeline body 1 and is fixedly connected with the inner wall of the pipeline body 1, the low end faces the direction of the axis of the pipeline body 1, and the included angle between the breakwater 2 and the inner wall of the pipeline body 1 is 40-68 degrees.

The lower end of the water baffle 2 is provided with a drainage channel 22. The drainage channel 22 is obliquely arranged, the high end faces to one side close to the water baffle 2, and the low end faces to one side close to the axis of the pipeline body 1. A water flow area 23 is arranged above the water baffle 2, and an air area 24 is formed between the bottom surface of the water baffle 2 and the inner wall of the pipeline body 1. The rainwater flows into the interior of the pipeline body 1, and flows in an S shape in the pipeline body 1 under the flow choking effect of the water baffle plate 2, and meanwhile, the rainwater is difficult to flow into the air area 24, so that the air can be reserved in the air area 24 by the pipeline body 1.

The surface of the water baffle 2 is coated with an elastic layer 21. In this embodiment, the elastic layer 21 is a rubber layer made of a rubber material. The surface of the elastic layer 21 is undulated to increase the surface area of the elastic layer 21. When rainwater flows to the surface of the water baffle 2, the elastic layer 21 can reduce the impact of the rainwater on the water baffle 2, and the effects of reducing the vibration of the pipe body of the pipeline body 1 and reducing noise are achieved.

The inner wall of the inlet 11 of the duct body 1 is an end wall 13. The inlet 11 of the pipeline body 1 is provided with a turning plate 3. The turning plate 3 is in a disc shape, and the axis of the turning plate coincides with the axis of the liquid discharge channel. The turning plate 3 is hinged with the pipeline body 1. The end wall 13 is provided with two rotation shafts 31, the two rotation shafts 31 being symmetrically distributed about the axis of the pipe body 1. The rotating shaft 31 is in an elongated cylindrical shape, the axis of the rotating shaft is perpendicular to the axis of the pipe body 1, and one end of the rotating shaft close to the end wall 13 in the length direction is fixedly connected with the end wall 13. The circumferential side surface of the turning plate 3 is provided with two rotating holes 32 matched with the two rotating shafts 31. The rotating shafts 31 are inserted into the corresponding rotating holes 32, so that the flap 3 can be turned over. A filter screen 4 is embedded in the end wall 13. The filter screen 4 is in a circular plate shape matched with the end wall 13, and a plurality of filter holes are formed in the top surface in a penetrating mode.

The implementation principle of the building drainage pipeline of the embodiment of the application is as follows: referring to fig. 2, when water drainage is not required in sunny days, the turning plate 3 is in a horizontal state and plays a role in blocking external impurities and maintaining the cleanness of the interior of the pipeline body 1 together with the filter screen 4. When raining, rainwater flows into the inlet 11 and reaches the upper surface of the turning plate 3, when the stress on two sides of the rotating shaft 31 of the turning plate 3 is uneven, the turning plate 3 is pushed to turn over by rainwater pressure, and the rainwater flows into the water baffle 2 below and flows along the water baffle 2 in an S shape on the pipeline body 1. When rainstorm occurs, a large amount of rainwater is poured into the inlet 11 at the same time, the rainwater enters the water flow area 23 along the water baffle 2, and the rainwater can only flow along the inclined upper plate surface of the water baffle 2 and fall into the water flow area 23 of the next water baffle 2, but cannot flow into the air area 24 below the water baffle 2, so that the gravity drainage system inside the pipeline body 1 can normally operate.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Building drainage pipe, including pipeline body (1) that has import (11) and export (12), its characterized in that: a plurality of obliquely arranged water baffles (2) are arranged inside the pipeline body (1), the high ends of the water baffles (2) face to one side far away from the axis of the pipeline body (1), the low ends of the water baffles (2) face to the direction close to the axis of the pipeline body (1), and the water baffles (2) are distributed at intervals and staggered from an inlet (11) to an outlet (12) to increase the impact uniformity of rainwater on each side of the inner wall of the pipeline body (1); a water flow area (23) is arranged above the water baffle (2), and the bottom surface of the water baffle (2) and the inner wall of the pipeline body (1) form an air area (24) which can retain air and prevent rainwater from filling the pipeline body (1).

2. The building drainage pipeline of claim 1, wherein: the surface of the water baffle (2) is coated with an elastic layer (21) for reducing the impact force of rainwater reaching the water baffle (2).

3. The building drainage pipeline of claim 2, wherein: the surface of the elastic layer (21) is wavy.

4. The building drainage pipeline of claim 1, wherein: the included angle between the water baffle (2) and the inner wall of the pipeline body (1) is 40-68 degrees.

5. The building drainage pipeline of claim 1, wherein: the lower end of the water baffle (2) is provided with a drainage channel (22); the drainage channel (22) is obliquely arranged, the high end faces to one side close to the water baffle (2), and the low end faces to one side close to the axis of the pipeline body (1).

6. The building drainage pipeline of claim 1, wherein: the rainwater pipeline is characterized in that a turning plate (3) is arranged at an inlet (11) of the pipeline body (1), and the turning plate (3) is hinged with the inner wall of the pipeline body (1) so that the turning plate (3) can turn under the pressure of rainwater.

7. The building drainage pipeline of claim 6, wherein: the pipeline is characterized in that two rotating shafts (31) are arranged on the inner wall of the pipeline body (1), two rotating holes (32) matched with the two rotating shafts (31) are formed in the side face of the turning plate (3), and the rotating shafts (31) are inserted into the corresponding rotating holes (32) so that the turning plate (3) can rotate.

8. The building drainage pipeline of claim 1, wherein: the inlet (11) of the pipeline body (1) is provided with a filter screen (4) for filtering impurities and pollutants.