CN211597429U

CN211597429U - Anti-leakage roof water falling opening expansion pipe

Info

Publication number: CN211597429U
Application number: CN201922428635.2U
Authority: CN
Inventors: 张睿
Original assignee: Zhejiang Ruipai Technology Co ltd
Current assignee: Zhejiang Ruipai Technology Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-29
Anticipated expiration: 2029-12-30

Abstract

The utility model relates to a roofing mouth of falling water inflation pipe technique aims at providing an antiseep roofing mouth of falling water inflation pipe, and its technical scheme main points are, including outer body and interior body, outer body outer wall is equipped with the external screw thread, the inner wall of interior body be equipped with the internal thread of external screw thread adaptation, be equipped with a plurality of expansion mouths on the interior body, the afterbody of outer body is coniform, and the internal diameter of circular cone is greater than the internal diameter of interior body, and the afterbody of outer body is equipped with the waterproof layer outward, be equipped with eccentric board that turns over in the outer body. The beneficial effects of the utility model, the pipe that can make the mouth in the water and the expansion pipe combine closely can effectively prevent to get into the water reflux of the mouth in the water.

Description

Anti-leakage roof water falling opening expansion pipe

Technical Field

The utility model relates to a roofing water-falling mouth expansion pipe technique, more specifically say, it relates to an antiseep roofing water-falling mouth expansion pipe.

Background

The water falling port is usually positioned at the corner of the roof, so that the topography is low and water is easy to accumulate. If a gap exists between the pipe orifice base material and the anti-seepage pipe, leakage is easy to occur, and the leakage is not easy to find, so that the problem cannot be solved by a common pipeline. The problem of water falling and leakage during roof seepage-proofing construction is not always taken into consideration, and the leakage cannot be directly discovered, so that the whole construction engineering is denied.

In summary, there is a need for an anti-leakage roof drain expansion pipe.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an antiseep roofing mouth of a water expansion pipe.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an antiseep roofing mouth of falling water inflation pipe, includes outer body and interior body, outer body outer wall is equipped with the external screw thread, the inner wall of interior body be equipped with the internal thread of external screw thread adaptation, be equipped with a plurality of expansion mouths on the interior body, the afterbody of outer body is coniform, and the internal diameter of circular cone is greater than the internal diameter of interior body, and the afterbody of outer body is equipped with the waterproof layer outward, the internal eccentric board that turns over that is equipped with of outer body.

Through adopting above-mentioned technical scheme, the expansion pipe comprises outer body and interior body, and the afterbody of outer body is coniform, and the internal diameter of circular cone is greater than the internal diameter of expansion pipe, and because outer external screw thread that opens of outer body is equipped with again, set up in the inner tube has the internal thread, be convenient for outer body and interior body between be connected and dismantle. When the outer pipe body is screwed with the inner pipe body, the outer pipe body moves outwards, the tail part of the outer pipe body moves through the axial movement of the threads, and then great pressure is formed on the periphery of the inner pipe body. Can reach the state that the expansion pipe closed and the drainage through eccentric board and horizontal angle's change, when not the drainage, eccentric board is in the horizontality of turning over, is in sealed cooperation state with outer body, can reach outstanding anti-backflow effect, and when eccentric board was in the horizontality, the expansion pipe was in encapsulated situation, and when eccentric board and the level of turning over become certain angle, the expansion pipe was in the drainage state.

The utility model discloses further set up to: the eccentric turning plate is provided with a rotating shaft and is connected with the outer tube body through the rotating shaft, and the center of gravity of the eccentric turning plate is located below the rotating shaft.

Through adopting above-mentioned technical scheme, because the focus of eccentric board of turning over is in the below of axis of rotation, the eccentric board of turning over just can keep the horizontality always. When the water is drained, the eccentric turning plate is driven by water flow to turn, so that the turning plate and the horizontal plane form a certain angle, water can be drained more smoothly, a small part of water can be accumulated when the water quantity is small, a water sealing effect is formed, the sealing performance and the deodorization performance are further improved, and the water flow can be effectively prevented from flowing backwards.

The utility model discloses further set up to: a groove is formed in the eccentric turning plate, and a sealing ring is sleeved in the groove.

Through adopting above-mentioned technical scheme, the sealing washer is the rubber material, and sealing washer and recess are elastic deformation and connect, establish the sealing washer through the cover and can further increase water-proof effects.

The utility model discloses further set up to: the inner tube body is integrally formed with a limit ring

Through adopting above-mentioned technical scheme, the position of interior body can be injectd to the spacing collar, prevents that interior body from too deep going into the water pipe of water outlet department, leads to the installation failure.

The utility model discloses further set up to: the waterproof layer is a rubber ring.

Through adopting above-mentioned technical scheme, can increase the leakproofness of interior body and the afterbody of outer body, prevent water infiltration.

The beneficial effects of the utility model, the pipe that can make the mouth in the water and the expansion pipe combine closely can effectively prevent to get into the water reflux of the mouth in the water.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention.

Reference numerals:

1. the outer tube body, 2, the inner tube body, 21, the expansion port, 22, the waterproof layer, 23, the spacing collar, 3, the eccentric turnover plate, 31, the rotating shaft and 32, the sealing ring.

Detailed Description

The present invention will be further explained with reference to fig. 1 to 2.

The utility model provides an antiseep roofing mouth of a river inflation pipe, includes outer body 1 and interior body 2, and outer body 1 outer wall is equipped with the external screw thread, and the inner wall of interior body 2 is equipped with the internal thread with the external screw thread adaptation, is equipped with a plurality of expansion mouth 21 on interior body 2, and the afterbody of outer body 1 is coniform, and the internal diameter of circular cone is greater than the internal diameter of interior body 2, and the afterbody of outer body 1 is equipped with waterproof layer 22 outward, is equipped with eccentric board 3 that turns over in the outer body 1. The expansion pipe comprises outer body 1 and interior body 2, and the afterbody of outer body 1 is coniform, and the internal diameter of circular cone is greater than the internal diameter of expansion pipe, because outer body 1 is opened outward and is equipped with the external screw thread again, has seted up the internal thread in interior body 2, is convenient for outer body 1 and interior body 2 between be connected and dismantle. When outer body 1 and interior body 2 were screwed, outer body 1 moved outwards, made outer body 1 afterbody part remove through the axial displacement of screw thread, and then formed very big pressure in the periphery of interior body 2, because seted up a plurality of expansion mouths 21 on interior body 2 again, expansion mouth 21 enlarges and causes outside pressure to the water pipe of the mouth that falls into water, and then reaches fixed effect. Can reach the state that the expansion pipe closed and the drainage through eccentric board 3 and horizontal angle's change, when not the drainage, eccentric board 3 that turns over is in the horizontality, is in sealed cooperation state with outer body 1, can reach outstanding anti-backflow effect, and when eccentric board 3 was in the horizontality, the expansion pipe was in encapsulated situation, and when eccentric board 3 and the level of turning over become certain angle, the expansion pipe was in the drainage state. The eccentric turning plate 3 is integrally formed with a rotating shaft 31, the eccentric turning plate 3 is connected with the outer tube body 1 through the rotating shaft 31, the center of gravity of the eccentric turning plate 3 is located below the rotating shaft 31, and the eccentric turning plate 3 can be always kept in a horizontal state because the center of gravity of the eccentric turning plate 3 is located below the rotating shaft 31. When the water is drained, the eccentric turning plate 3 is driven by water flow to turn, so that the turning plate and the horizontal plane form a certain angle, water can be drained more smoothly, a small part of water can be accumulated when the water amount is small, a water sealing effect is formed, the sealing performance and the deodorization performance are further improved, and the water flow can be effectively prevented from flowing backwards. The eccentric turning plate 3 is provided with a groove, a sealing ring 32 is sleeved in the groove, the sealing ring 32 is made of rubber, the sealing ring 32 and the groove are connected in an elastic deformation mode, and the sealing ring 32 is sleeved to further increase the waterproof effect. The outer integrated into one piece of interior body 2 has spacing collar 23, and spacing collar 23 can inject the position of interior body 2, prevents that interior body 2 from too deep going into the water pipe of water outlet department, leads to the installation failure. The waterproof layer 22 is a rubber ring, which can increase the sealing performance between the inner tube 2 and the tail of the outer tube 1 to prevent water from permeating.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and the skilled in the art can carry out the common changes and replacements within the technical solution of the present invention.

Claims

1. The utility model provides an antiseep roofing mouth of a river inflation pipe, its characterized in that includes outer body (1) and interior body (2), outer body (1) outer wall is equipped with the external screw thread, the inner wall of interior body (2) is equipped with the internal thread with the external screw thread adaptation, is equipped with a plurality of expansion mouths (21) on interior body (2), the afterbody of outer body (1) is coniform, and the internal diameter of circular cone is greater than the internal diameter of interior body (2), and the afterbody of outer body (1) is equipped with waterproof layer (22) outward, be equipped with eccentric board (3) that turns over in outer body (1).

2. The anti-leakage roof drain expansion pipe according to claim 1, wherein the eccentric flap (3) is provided with a rotating shaft (31), the eccentric flap (3) is connected with the outer pipe body (1) through the rotating shaft (31), and the center of gravity of the eccentric flap (3) is located below the rotating shaft (31).

3. The anti-leakage roof drain expansion pipe according to claim 2, wherein the eccentric turnover plate (3) is provided with a groove, and the groove is internally sleeved with a sealing ring (32).

4. The expansion pipe according to claim 1, wherein the inner pipe body (2) is integrally formed with a retainer ring (23).

5. The anti-leakage roof drain expansion pipe according to claim 1, wherein the waterproof layer (22) is a rubber ring.