CN219263465U - An anti-seepage device for water supply and drainage pipes in construction engineering - Google Patents

Abstract

The utility model relates to the technical field of anti-seepage of water supply and drainage pipes, in particular to an anti-seepage device for water supply and drainage pipes in construction engineering. The technical solution includes: a connecting pipe, a second flange is installed at both ends of the connecting pipe, the second flange is fixedly connected to the first flange through fastening bolts, and the first flange The plate is installed at one end of the main body of the water supply and drainage pipe, and the center of the outer wall of one side of the second flange is provided with a water pipe, and the other end of the water pipe passes through the first through hole and extends to the inside of the main body of the water supply and drainage pipe , the outer wall of the other end of the water pipe is provided with a first sealing ring, and the outer wall of the first sealing ring is in an interference connection with the inner wall of the water supply and drainage pipe body, and the outer wall of one side of the first flange is A first annular slot is opened, and a second annular slot is opened on one side of the outer wall of the second flange. The utility model can effectively prevent leakage at the seam of the flange, has good anti-seepage effect and strong practicability.

Description

An anti-seepage device for water supply and drainage pipes in construction engineering

technical field

The utility model relates to the technical field of anti-seepage of water supply and drainage pipes, in particular to an anti-seepage device for water supply and drainage pipes in construction engineering.

Background technique

The design and installation of water supply and drainage pipes in modern buildings is very important. During the construction process, holes for installing pipes will be reserved at the positions where the water supply and drainage pipes pass when pouring concrete, so that the water supply and drainage pipes can be installed later. After the water supply and drainage pipes are installed It is necessary to pour cement mortar between the contact pores between the pipe and the wall or the floor layer to prevent leakage of the drainage pipe, and the cement mortar is likely to leak due to incomplete pouring during the pouring process and is difficult to maintain later If the irrigation is not complete, it may cause unexpected disasters such as pipeline leakage and rupture, so it is necessary to use an anti-seepage device for water supply and drainage pipes.

After searching, the patent announcement number is CN215928741U, which discloses a kind of water supply and drainage pipe anti-seepage device in construction engineering, including a water supply pipe, a side of the water supply pipe is placed with a drain pipe, and one end of the water supply pipe and the drain pipe is fixedly installed with a Connecting flange, one end of the connecting flange on one side is fixedly installed with a fixed ring, and one end of the connecting flange on the other side is provided with an annular negative pressure groove corresponding to the position of the fixing ring. The structure of the utility model is scientific and reasonable. By setting The negative pressure seal installation mechanism can form a negative pressure to install between the two connecting flanges, which improves the installation fastness of the water supply and drainage pipe anti-seepage device when it is used, and improves the water supply and drainage pipe anti-seepage device when it is used. The degree of sealing is high, through the anti-leakage sealing mechanism, the contact position of the connecting flange can be sealed to reduce leakage from the contact position.

The anti-seepage effect of the existing anti-seepage device for water supply and drainage pipes in construction projects is not good, and leakage will occur at the joints between flanges after long-term use. Therefore, we propose a water supply and drainage system for construction projects. Pipe anti-seepage device to solve the existing problems.

Utility model content

The purpose of this utility model is to provide an anti-seepage device for water supply and drainage pipes in construction engineering, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a water supply and drainage pipe anti-seepage device in construction engineering, including a connecting pipe, and a second flange is installed at both ends of the connecting pipe, and the second flange The plate is fixedly connected with the first flange plate through fastening bolts, the first flange plate is installed at one end of the water supply and drainage pipe body, and the center of the outer wall of one side of the second flange plate is provided with a water pipe. The other end of the water pipe passes through the first through hole and extends to the inside of the water supply and drainage pipe body. A first sealing ring is arranged on the outer wall of the other end of the water pipe, and the outer wall of the first sealing ring is in contact with the body of the water supply and drainage pipe. There is an interference connection between the inner walls, a first annular slot is opened on one side of the outer wall of the first flange, and a second annular slot is opened on one side of the second flange. A second sealing ring is installed between the first annular slot and the second annular slot.

Through the cooperative arrangement of the connecting pipe, the main body of the water supply and drainage pipe, the first flange, the second flange, the water pipe, the first sealing ring, etc., when the water supply and drainage pipe body performs water supply and drainage, the water will flow from the water pipe to the In the connecting pipe, the water inside the connecting pipe will flow into the water supply and drainage pipe body in the other direction through the water pipe on the other side. During this process, the first sealing ring can play a sealing role, which can effectively prevent Leakage occurs at the joint of the flange, which improves the anti-seepage effect. Through the cooperation of a series of structures such as the first annular slot hole, the second annular slot hole, and the second sealing ring, the second sealing ring can It plays the role of sealing again, achieves the function of double sealing, further effectively prevents the leakage at the joint of the flange, and further improves the anti-seepage effect.

Preferably, a second through hole is provided at the center of the outer wall of the second flange, the horizontal centerline of the second through hole coincides with the horizontal centerline of the water pipe, and the diameter of the second through hole is equal to The inside diameter of the water pipe.

Preferably, the first through hole is opened at the center of the outer wall of the first flange.

Preferably, the outer wall of the first flange is provided with first fixing holes, the number of the first fixing holes is eight, and the eight first fixing holes are distributed in a ring-shaped array.

Preferably, the outer wall of the second flange is provided with second fixing holes, the number of the second fixing holes is eight, and the eight second fixing holes are arranged in a circular array.

Preferably, the water supply and drainage pipe body and the first flange are fixed by welding.

Preferably, the connecting pipe and the second flange are fixed by welding.

Compared with the prior art, the beneficial effects of the utility model are:

1. The utility model cooperates with the connection pipe, the main body of the water supply and drainage pipe, the first flange, the second flange, the water pipe, the first sealing ring and other structures. When the main body of the water supply and drainage pipe is used for water supply and drainage, the water will From the water pipe to the connecting pipe, the water inside the connecting pipe will flow into the water supply and drainage pipe body in the other direction through the water pipe on the other side. During this process, the first sealing ring can play a sealing role. , can effectively prevent leakage at the joints of the flange, and improve the anti-seepage effect.

2. The utility model cooperates with a series of structures such as the first annular slot hole, the second annular slot hole, and the second sealing ring, and the second sealing ring can play the role of sealing again to achieve double sealing. Further effectively prevent leakage at the joint of the flange, further improve the anti-seepage effect, and have strong practicability.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a front sectional view of the water supply and drainage pipe body of the present utility model;

Fig. 3 is the right view in Fig. 2 of the utility model;

Fig. 4 is the front sectional view of the connecting pipe of the present invention;

Fig. 5 is a side view of the connecting pipe of the present invention.

In the figure: 1. Water supply and drainage pipe body; 2. First sealing ring; 3. Water pipe; 4. First flange; 5. Fastening bolts; 6. Second flange; 7. Second sealing ring ; 8, the first through hole; 9, the second through hole; 10, the connecting pipe; 11, the first fixing hole; 12, the first annular slot; 13, the second fixing hole; 14, the second annular groove hole.

Detailed ways

The technical scheme of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

Embodiment one

As shown in Figures 1-5, a water supply and drainage pipe anti-seepage device for construction projects proposed by the utility model includes a connecting pipe 10, and a second flange 6 is installed at both ends of the connecting pipe 10, and the second flange 6 is fixedly connected with the first flange 4 by fastening bolts 5, the first flange 4 is installed at one end of the water supply and drainage pipe body 1, and the center of the outer wall of one side of the second flange 6 is provided with a water pipe 3, The other end of the water pipe 3 passes through the first through hole 8 and extends to the inside of the water supply and drainage pipe body 1. A first sealing ring 2 is arranged on the outer wall of the other end of the water pipe 3, and the outer wall of the first sealing ring 2 is in line with the water supply pipe body 1. The inner walls of the drainpipe body 1 are interferingly connected, a first annular slot 12 is opened on one side of the outer wall of the first flange 4, and a second annular slot 12 is opened on one side of the second flange 6. The second sealing ring 7 is installed between the first annular slot 12 and the second annular slot 14 .

The working principle of the anti-seepage device for water supply and drainage pipes in construction projects based on Embodiment 1 is: the utility model passes through the connecting pipe 10, the water supply and drainage pipe body 1, the first flange 4, the second flange 6, the water pipe 3, the second flange A sealing ring 2 and other structures are arranged together. When the water supply and drainage pipe body 1 performs water supply and drainage, water will flow from the water pipe 3 into the connecting pipe 10, and the water inside the connecting pipe 10 will pass through the water pipe 3 on the other side. It flows into the water supply and drainage pipe body 1 in the other direction. During this process, the first sealing ring 2 can play a sealing role, which can effectively prevent leakage at the joint of the flange and improve the anti-seepage As a result, through the cooperative arrangement of a series of structures such as the first annular slot 12, the second annular slot 14, and the second sealing ring 7, the second sealing ring 7 can once again play the role of sealing, achieving the role of double sealing , to further effectively prevent leakage at the joint of the flange, further improve the anti-seepage effect, and have strong practicability.

Embodiment two

As shown in Figures 1-5, the utility model proposes an anti-seepage device for water supply and drainage pipes in construction engineering. Compared with Embodiment 1, this embodiment also includes: a second flange 6 is provided with a second Two through holes 9, the horizontal centerline of the second through hole 9 coincides with the horizontal centerline of the water pipe 3, the aperture of the second through hole 9 is equal to the inner diameter of the water pipe 3, and the first through hole 8 is opened on the first flange At the center of the outer wall of the disc 4, the outer wall of the first flange 4 is provided with first fixing holes 11, the number of the first fixing holes 11 is eight, and the eight first fixing holes 11 are distributed in an annular array, the second method There are eight second fixing holes 13 on the outer wall of the blue plate 6, and the eight second fixing holes 13 are distributed in an annular array. The space is fixed by welding, and the connecting pipe 10 and the second flange 6 are fixed by welding.

In this embodiment, because the center position of the outer wall of the second flange 6 is provided with a second through hole 9, the horizontal center line of the second through hole 9 coincides with the horizontal center line of the water pipe 3, and the second through hole 9 The aperture is equal to the inner diameter of the water pipe 3, and the first through hole 8 is set at the center of the outer wall of the first flange 4, thereby facilitating the flow of water. Install and fix between the first flange 4 and the second flange 6 by fastening bolts 5 .

The above-mentioned specific embodiments are only several preferred embodiments of the present utility model. Based on the technical solutions of the present utility model and the related inspirations of the above-mentioned embodiments, those skilled in the art can make various alternative improvements to the above-mentioned specific embodiments. and combinations.

Claims (7)

1. A water supply and drainage pipe anti-seepage device for construction engineering, comprising a connecting pipe (10), is characterized in that: the two ends of the connecting pipe (10) are equipped with a second flange (6), and the second The flange (6) is fixedly connected with the first flange (4) through fastening bolts (5), and the first flange (4) is installed at one end of the water supply and drainage pipe body (1), and the first flange (4) The center of one side of the outer wall of the second flange (6) is provided with a water pipe (3), and the other end of the water pipe (3) passes through the first through hole (8) and extends to the water supply and drainage pipe body (1) Inside, the outer wall of the other end of the water pipe (3) is provided with a first sealing ring (2), and there is an interference between the outer wall of the first sealing ring (2) and the inner wall of the water supply and drainage pipe body (1) connection, a first annular slot (12) is opened on one side of the outer wall of the first flange (4), and a second annular slot (12) is opened on one side of the second flange (6). A slot hole (14), a second sealing ring (7) is installed between the first annular slot hole (12) and the second annular slot hole (14). 2. The anti-seepage device for water supply and drainage pipes in construction engineering according to claim 1, characterized in that: a second through hole (9) is opened at the center of the outer wall of the second flange (6), and The horizontal centerline of the second through hole (9) coincides with the horizontal centerline of the water pipe (3), and the diameter of the second through hole (9) is equal to the inner diameter of the water pipe (3). 3. The anti-seepage device for water supply and drainage pipes in construction projects according to claim 1, characterized in that: the first through hole (8) is opened at the center of the outer wall of the first flange (4). 4. The anti-seepage device for water supply and drainage pipes in construction projects according to claim 1, characterized in that: the outer wall of the first flange (4) is provided with a first fixing hole (11), the first fixing hole There are eight holes (11), and the eight first fixing holes (11) are distributed in a circular array. 5. The anti-seepage device for water supply and drainage pipes in construction engineering according to claim 1, characterized in that: a second fixing hole (13) is opened on the outer wall of the second flange (6), and the second fixing hole (13) is provided on the outer wall of the second flange (6). There are eight holes (13), and the eight second fixing holes (13) are distributed in a circular array. 6. The anti-seepage device for water supply and drainage pipes in construction projects according to claim 1, characterized in that: the water supply and drainage pipe body (1) and the first flange (4) are fixed by welding. 7. The anti-seepage device for water supply and drainage pipes in construction projects according to claim 1, characterized in that: the connecting pipe (10) and the second flange (6) are fixed by welding.

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