CN210684930U

CN210684930U - Connecting structure of drain pipe

Info

Publication number: CN210684930U
Application number: CN201921278788.7U
Authority: CN
Inventors: 姜涛; 李磊; 陈彬; 武凯强; 赵东; 王一琼; 曾彬彬; 田子剑; 赵绪欣; 杨峰辉
Original assignee: China State Construction Engineering Corp Ltd CSCEC; China Construction First Group Corp Ltd; China Construction First Group the Fifth Construction Co Ltd
Current assignee: China State Construction Engineering Corp Ltd CSCEC; China Construction First Group Corp Ltd; China Construction First Group the Fifth Construction Co Ltd
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-06-05
Anticipated expiration: 2029-08-08

Abstract

The utility model discloses a connection structure of drain pipe relates to drainage technical field. The anti-reflux device comprises an upper drainage pipe and a lower drainage pipe, wherein an anti-reflux device is arranged between the upper drainage pipe and the lower drainage pipe, the anti-reflux device comprises an anti-reflux pipe fixedly connected with the upper drainage pipe and the lower drainage pipe, the bottom end of the upper drainage pipe is inserted into the anti-reflux pipe, the lower part of the anti-reflux pipe is fixedly connected with the lower drainage pipe, a suspension ball is arranged in the anti-reflux pipe, and the diameter of the suspension ball is larger than the bottom opening diameter of the upper drainage pipe and the top opening diameter of the lower drainage pipe. The utility model discloses a connection structure of drain pipe, its is rational in infrastructure, through set up the anti-reflux device between last drain pipe and lower drain pipe, effectively prevents the rivers phenomenon of flowing against the current, has reduced the inconvenience that causes the construction, guarantees going on smoothly of construction, has good spreading value.

Description

Connecting structure of drain pipe

Technical Field

The utility model belongs to the technical field of building engineering, a connection structure of drain pipe is related to.

Background

The drain pipe in job site generally fixes upper drain pipe and lower drain pipe welded together, and its junction does not generally install the device that prevents water countercurrent, therefore, if when stopping drainage for some reason, can cause the phenomenon that the water in the drain pipe appears the countercurrent in twinkling of an eye, causes the inconvenience for the construction.

Therefore, it is desirable to design a connection structure of a drain pipe to solve the existing technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned technical problem, the connection structure of a drain pipe that provides, its is rational in infrastructure, through set up the anti-reflux device between last drain pipe and lower drain pipe, effectively prevents the rivers phenomenon against the current, has reduced the inconvenience that causes the construction, guarantees going on smoothly of construction, has good spreading value.

In order to solve the technical problem, the utility model provides a pair of connection structure of drain pipe, it specifically includes drain pipe and drain pipe down, be provided with the device against current between drain pipe and the drain pipe down, the device against current includes with drain pipe and drain pipe fixed connection's the pipe against the current of preventing, the drain pipe bottom is inserted prevent in the pipe against the current, prevent against the current pipe lower part and drain pipe fixed connection, be provided with the suspension ball in preventing against the current pipe, the diameter of suspension ball is greater than the bottom opening diameter of drain pipe and the open-top diameter of drain pipe down.

Preferably, the diameter ratio of the upper drainage pipe to the suspension ball to the anti-backflow pipe to the lower drainage pipe is 1:1.5:2: 1.

Preferably, the lower part of the upper drainage pipe and the upper part of the lower drainage pipe are fixedly provided with first flange plates, the upper part and the lower part of the anti-backflow pipe are provided with second flange plates matched with the first flange plates, and the first flange plates and the second flange plates are fastened through screws.

Preferably, the two side walls in the backflow prevention pipe are symmetrically provided with fixed plates, the fixed plates are hinged with baffle plates towards the center of the backflow prevention pipe, and the baffle plates on the two sides are abutted to each other when horizontally arranged.

Furthermore, the bottom of the baffle plate is fixedly provided with a spring, and the other end of the spring is fixedly arranged on the inner side wall of the corresponding anti-reflux pipe which is positioned on the same side with the baffle plate.

Preferably, the lateral wall of the backflow prevention pipe is also fixedly provided with a branch pipe, the diameter of the branch pipe is smaller than that of the suspension ball, and the bottom of the branch pipe is communicated with the lower drainage pipe.

Furthermore, the inside wall of lateral pipe still fixed mounting has the mounting panel, the articulated check valve that is provided with on the mounting panel.

The utility model discloses beneficial effect:

the utility model provides a connection structure of drain pipe, its structure is reasonable, in the course of rivers from last drain pipe to lower drain pipe drainage, the suspension ball is always in preventing against the inside of the flow pipe, because the suspension ball quality is generally lighter, can float on the surface of water, if rivers are great, can directly erode the suspension ball, expose the delivery port of last drain pipe, make rivers pass through the drain pipe and discharge gradually; if when water is in a reverse flow state, the suspension ball is subjected to the water flow acting force from the lower part of the lower drainage pipe, the water outlet of the upper drainage pipe can be blocked, the reverse flow phenomenon is prevented, and the maintenance and construction safety is facilitated.

Drawings

The above advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are given by way of illustration only and do not limit the present invention, and in which:

fig. 1 is a schematic view of a connection structure of a drain pipe according to the present invention.

In the drawings, the reference numerals denote the following components:

1. an upper drainage pipe; 2, a lower drainage pipe; 3, anti-reflux pipe; 4, suspending the ball; 5. a first flange plate; 6. a second flange plate; 7. a screw; 8, fixing a plate; 9, a baffle plate; 10, a spring; a branch pipe; 12, mounting a plate; a one-way valve.

Detailed Description

Fig. 1 is a schematic view of a connection structure of a drain pipe according to the present application, and the present invention will be described in detail with reference to the following embodiments and accompanying drawings.

The embodiments described herein are specific embodiments of the present invention, and are intended to be illustrative of the concepts of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the embodiments of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.

The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of the respective portions and the mutual relationships thereof. It should be noted that for the sake of clarity in showing the structures of the various components of the embodiments of the present invention, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.

The application a connection structure's of drain pipe structure schematic diagram, as shown in fig. 1, it specifically includes drain pipe 1 and drain pipe 2 down, be provided with between drain pipe 1 and the drain pipe 2 down and prevent the device against the current, wherein, prevent the device against the current include with drain pipe 1 and drain pipe 2 fixed connection prevent against the current pipe 3, in drain pipe 1 bottom inserted prevents the counter-current pipe 3, prevent 3 lower parts of counter-current pipe and drain pipe 2 fixed connection down, be provided with suspension ball 4 in preventing against the current pipe 3, the diameter of suspension ball 4 is greater than the bottom opening diameter of drain pipe 1 and the top opening diameter of drain pipe 2 down. The specific arrangement is that the diameter ratio of the upper drainage pipe 1, the suspension ball 4, the anti-reflux pipe 3 and the lower drainage pipe 2 is 1:1.5:2: 1. This is to avoid the occurrence of a phenomenon in which the bottom opening of the upper drain pipe 1 is not completely blocked due to the displacement of the floating ball 4 during reverse flow.

In the process that water flows from the upper water discharge pipe 1 to the lower water discharge pipe 2, the suspension ball 4 is always positioned in the anti-backflow pipe 3, the suspension ball 4 is generally light in weight and can float on the water surface, if the water flow is large, the suspension ball 4 can be directly washed to expose the water outlet of the upper water discharge pipe 1, and the water flow is gradually discharged through the lower water discharge pipe 2; if when water is in a reverse flow state, the suspension ball 4 is subjected to the water flow acting force from the lower part of the lower water discharge pipe 2, the water outlet of the upper water discharge pipe 1 can be blocked, the reverse flow phenomenon is prevented, and the maintenance and construction safety is facilitated.

Wherein, go up drain pipe 1 lower part and drain pipe 2 upper portion fixed mounting have first ring flange 5, prevent that upper portion and lower part of adverse current pipe 3 are provided with the second ring flange 6 that cooperatees with first ring flange 5, fasten through screw 7 between first ring flange 5 and the second ring flange 6. The flange screw connection mode is adopted for fixed connection, the connector is tight and flexible, the assembly and disassembly are easy, the strength is high, and the flange screw connection mode can bear larger pressure and temperature range.

In addition, still the symmetry is provided with fixed plate 8 on preventing against the interior both sides wall of adverse current pipe 3, and baffle 9 is articulated to being installed towards preventing against the central point of adverse current pipe 3 on fixed plate 8, just mutual butt when both sides baffle 9 level sets up. The bottom of the baffle 9 is also fixedly provided with a spring 10, and the other end of the spring 10 is fixedly arranged on the inner side wall of the corresponding backflow-preventing pipe 3 which is positioned on the same side as the baffle 9.

When water flow moves from the upper water discharge pipe 1 to the lower water discharge pipe 2, the baffle plates 9 on the two sides are changed from an abutting state to a downward rotating separated state under the downward acting force of the water flow, the water flow flows down from the gap between the two baffle plates 9, and at the moment, the spring 10 is compressed; when backflow possibly occurs, the baffle 9 can return to the initial state under the action of the upward water flow and the reset action of the spring 10, the existing occurrence of water backflow can be prevented, and the safety of a construction site can be further maintained.

When the inside velocity of water is too big through preventing countercurrent tube 3, prevent that the rivers in the countercurrent tube 3 are too late to be discharged by bleeder 2, in order to guarantee the efficiency that rivers discharged this moment, the utility model discloses in, prevent that 3 lateral walls of countercurrent tube still fixed mounting have bleeder 11, the diameter of bleeder 11 also is less than the diameter of suspension ball 4, prevent that suspension ball 4 from entering into bleeder 11 inside, bleeder 11 bottom and bleeder 2 communicate each other, the inside wall of bleeder 11 still fixed mounting has mounting panel 12, the articulated check valve 13 that is provided with on mounting panel 12, wherein, the setting of check valve 13, then realize against the current by bleeder 11 in order to prevent the water in bleeder 2.

The utility model discloses in, the water countercurrent phenomenon that appears when combining to prevent the drainage through multiple mode has guaranteed the security of construction from many aspects.

Compare in prior art's shortcoming and not enough, the utility model provides a pair of connection structure of drain pipe, its is rational in infrastructure, and its is rational in infrastructure, through set up the anti-reflux device between last drain pipe and lower drain pipe, effectively prevents rivers phenomenon against the current, has reduced the inconvenience that causes the construction, guarantees going on smoothly of construction, has good spreading value.

The present invention is not limited to the above embodiments, and any person can obtain other products in various forms without departing from the scope of the present invention, but any change in shape or structure is included in the technical solution that is the same as or similar to the present invention.

Claims

1. The utility model provides a connection structure of drain pipe which characterized in that: the anti-reflux device comprises an upper drainage pipe and a lower drainage pipe, wherein an anti-reflux device is arranged between the upper drainage pipe and the lower drainage pipe, the anti-reflux device comprises an anti-reflux pipe fixedly connected with the upper drainage pipe and the lower drainage pipe, the bottom end of the upper drainage pipe is inserted into the anti-reflux pipe, the lower part of the anti-reflux pipe is fixedly connected with the lower drainage pipe, a suspension ball is arranged in the anti-reflux pipe, and the diameter of the suspension ball is larger than the bottom opening diameter of the upper drainage pipe and the top opening diameter of the lower drainage pipe.

2. The connection structure of the drainage pipe according to claim 1, wherein: the diameter ratio of the upper drainage pipe to the suspension ball to the anti-backflow pipe to the lower drainage pipe is 1:1.5:2: 1.

3. The connection structure of the drainage pipe according to claim 1, wherein: the upper drainage pipe and the lower drainage pipe are fixedly provided with first flange plates, the upper part and the lower part of the anti-backflow pipe are provided with second flange plates matched with the first flange plates, and the first flange plates and the second flange plates are fastened through screws.

4. The connection structure of the drainage pipe according to claim 1, wherein: the anti-reflux pipe is characterized in that fixing plates are symmetrically arranged on the two side walls in the anti-reflux pipe, baffle plates are hinged to the center of the anti-reflux pipe on the fixing plates, and the baffle plates on the two sides are abutted to each other when horizontally arranged.

5. The connection structure of the drain pipe according to claim 4, wherein: the bottom of the baffle is also fixedly provided with a spring, and the other end of the spring is fixedly arranged on the inner side wall of the corresponding anti-reflux pipe which is positioned on the same side with the baffle.

6. The connection structure of the drainage pipe according to claim 1, wherein: the lateral wall of the backflow prevention pipe is also fixedly provided with a branch pipe, the diameter of the branch pipe is smaller than that of the suspension ball, and the bottom of the branch pipe is communicated with the lower drainage pipe.

7. The connection structure of the drain pipe according to claim 6, wherein: the inside wall of lateral pipe still fixed mounting has the mounting panel, the articulated check valve that is provided with on the mounting panel.