CN218468444U - Reinforced polypropylene double-wall corrugated pipe for buried drainage and pollution discharge - Google Patents

Abstract

In order to solve the problem that most corrugated pipes are easy to leak water at the joints, the reinforced polypropylene double-wall corrugated pipe for underground drainage and pollution discharge is designed, and comprises a socket pipe, an adjustable check buckle and a concave sealing ring. The concave sealing ring surrounds a trough of the socket closest to the end part and is clamped between the transition area and the reducing area of the bellmouth, the concave part is tightly attached to the outer surface of the trough, and the convex lug is tightly attached to the inner surface of the bellmouth; the adjustable check buckle ring is wound at a wave trough of the socket, which is spaced from the concave sealing ring by one, the attachment pipe wall is buckled and tightly attached to the outer wall of the wave trough, the tilting direction of the check buckle is opposite to the insertion direction of the socket, and the check buckle passes through the expanded area and is clamped in the buffer buckle area; adjustable diameter of adjustable non return buckle is applicable to multiple diameter pipeline, and concave type sealing washer has a plurality of lugs and increases the current distance that rain sewage flowed in the pipeline, effectively prevents the percolating water, is applicable to the percolating rain sewage in burying ground environment, keeps the peripheral good operational environment of drain pipe.

Description

Reinforced polypropylene double-wall corrugated pipe for buried drainage and pollution discharge

Technical Field

The utility model relates to a bellows, especially a bury ground reinforcing polypropylene double-walled bellows for drainage blowdown.

Background

Most of corrugated pipe joints are easy to leak water, and in order to prevent the corrugated pipes from leaking sewage in a buried environment and influencing the environment, particularly in a collapsible geological environment, once water leaks, the stability of the surrounding geology is influenced, and the settlement of the earth surface or the settlement of surrounding buildings is caused, the reinforced polypropylene double-wall corrugated pipe for buried drainage and pollution discharge is designed.

Disclosure of Invention

The to-be-solved technical problem of the utility model lies in providing a bury ground reinforcing polypropylene double-walled bellows for drainage blowdown for solve the problem of the easy percolating water of most bellows junction.

The utility model provides a bury ground reinforcing polypropylene double-walled bellows for drainage blowdown, includes socket pipe, adjustable non return buckle and concave type sealing washer, its characterized in that:

the bellmouth pipe comprises an expanding area, a buffering clamping area, a transition area, a contracting area and a body, wherein the expanding area, the buffering clamping area, the transition area, the contracting area and the body are sequentially connected, the diameter of the expanding area, the buffering clamping area, the transition area, the contracting area and the body is reduced in a radial direction, the body is a flat wall on the inner wall, and a corrugated structure on the outer wall;

the socket pipe is characterized in that the inner wall of the socket pipe is a flat wall, the outer wall of the socket pipe is of a corrugated structure and comprises wave crests and wave troughs, and the wave crests and the wave troughs are alternately and circularly connected;

check buckle with adjustable include check buckle, adjustable connection, adhere to pipe wall and detain, snap ring: the non-return buckles are positioned on the outer wall of the snap ring and are uniformly and discontinuously distributed at intervals, one ends of the non-return buckles are connected with the snap ring, and the other ends of the non-return buckles are outwards tilted; the attached pipe wall buckles are positioned on the inner wall of the clamping ring, every 3 pipe wall buckles are in a group, 3 pipe wall buckles are uniformly and discontinuously distributed at intervals, and each group is uniformly and discontinuously distributed at intervals; the adjustable connection comprises an inserting rod and inserting grooves, the inserting rod is positioned at one end of the clamping ring and is uniformly and discontinuously distributed at intervals along the axial direction of the clamping ring, the inserting grooves are positioned at the other end of the clamping ring, and the number and the shape of the inserting grooves are matched with those of the inserting rod; the inserted rod of the adjustable connection of one adjustable check buckle is connected with the slot of the adjustable connection of the other adjustable check buckle to form a closed ring;

the concave sealing ring comprises a convex lug and a concave recess;

the concave sealing ring surrounds a wave trough, closest to the end part, of the socket pipe and is clamped between a transition area and a contraction area of the socket pipe, the concave part is tightly attached to the outer surface of the wave trough, and the convex lug is tightly attached to the inner surface of the socket pipe; the adjustable check buckle ring is wound at a wave trough of the socket pipe, which is spaced from the concave sealing ring by one, the attachment pipe wall is fastened and attached to the outer wall of the wave trough, the tilting direction of the check buckle is opposite to the insertion direction of the socket pipe, and the check buckle ring passes through the flaring area and is clamped in the buffer buckle area;

the socket pipe and the socket pipe are made of modified polypropylene, the adjustable check buckle is made of a thermoplastic elastomer, and the concave sealing ring is made of rubber.

The utility model has the advantages that:

1. the adjustable check buckle can adjust the diameter and is suitable for pipelines with various diameters;

2. the concave sealing ring is provided with a plurality of lugs to increase the passing distance of rainwater and sewage flowing into the pipeline, thereby effectively preventing water leakage.

Drawings

The invention will be further described with reference to the accompanying drawings:

fig. 1 is an exploded view of the present invention;

FIG. 2 is a cross-sectional view of the socket pipe of the present invention;

FIG. 3 is a cross-sectional view of the socket tube of the present invention;

fig. 4 is a three-dimensional structure diagram of the adjustable check buckle of the present invention;

FIG. 5 is a three-dimensional structure view of the adjustable check buckle of the present invention after being spliced;

fig. 6 is a cross-sectional view of the concave sealing ring of the present invention;

fig. 7 is a cross-sectional view of the invention after connection;

fig. 8 is a perspective structural view of the connection rear section of the present invention.

Detailed Description

The invention is further described with reference to the accompanying drawings in combination with the embodiments:

as shown in fig. 1, the reinforced polypropylene double-wall corrugated pipe for underground drainage and pollution discharge comprises a socket pipe 1, a socket pipe 2, an adjustable check buckle 3 and a concave sealing ring 4.

As shown in fig. 2, the bell pipe 1 includes an expanded area 11, a buffer fastening area 12, a transition area 13, a contracted area 14 and a body 15, the expanded area 11, the buffer fastening area 12, the transition area 13, the contracted area 14 and the body 15 are sequentially connected, the diameters of the expanded area, the buffer fastening area 12, the transition area 13, the contracted area 14 and the body 15 decrease in radial direction, the body 15 has a flat inner wall and a corrugated outer wall.

As shown in fig. 3, the socket pipe 2 has a flat inner wall and a corrugated outer wall, and includes peaks 21 and valleys 22, and the peaks 21 and the valleys 22 are alternately and cyclically connected.

As shown in fig. 4 and 5, the adjustable check buckle 3 includes a check buckle 31, an adjustable connection 32, an attachment pipe wall buckle 33, and a snap ring 34: the non-return buckles 31 are positioned on the outer wall of the snap ring 34 and are uniformly, intermittently and discontinuously distributed, one end of each non-return buckle 31 is connected with the snap ring 34, and the other end of each non-return buckle is raised outwards; the attached pipe wall buckles 33 are positioned on the inner wall of the clamping ring 34, 3 pipe wall buckles are uniformly and discontinuously distributed at intervals in every 3 pipe wall buckles, and each group of pipe wall buckles is uniformly and discontinuously distributed at intervals; adjustable connection 32 includes inserted bar 321, slot 322, inserted bar 321 is located the one end of snap ring 34 is followed the even interval discontinuous distribution of axial of snap ring 34, slot 322 is located the other end of snap ring 34, quantity and shape with inserted bar 321 phase-match.

As shown in fig. 6, the female seal ring 4 includes a protrusion 41 and a recess 42.

As shown in fig. 7 and 8, the female seal ring 4 surrounds a valley 22 of the socket pipe 2 closest to the end and is clamped between the transition zone 13 and the throat zone 14 of the socket pipe 1, the recess 42 abuts against the outer surface of the valley 22, and the lug 41 abuts against the inner surface of the socket pipe 1; the adjustable check buckle 3 surrounds the socket pipe 2 at a position apart from the concave sealing ring 4 by one wave trough 22, the attached pipe wall buckle 33 is tightly attached to the outer wall of the wave trough 22, the tilting direction of the check buckle 31 is opposite to the inserting direction of the socket pipe 2, and the check buckle is clamped in the buffer buckle area 12 after passing through the opening expanding area 11.

The socket pipe 1 and the socket pipe 2 are made of modified polypropylene, the adjustable check buckle 3 is made of a thermoplastic elastomer, and the concave sealing ring 4 is made of rubber.

Claims (4)

1. The utility model provides a bury ground reinforcing polypropylene double-walled bellows for drainage blowdown, includes socket pipe (1), socket pipe (2), adjustable non return buckle (3) and concave type sealing washer (4), its characterized in that:

the bell pipe (1) comprises an expanding area (11), a buffering clamping area (12), a transition area (13), a reducing area (14) and a body (15), wherein the expanding area (11), the buffering clamping area (12), the transition area (13), the reducing area (14) and the body (15) are sequentially connected, the diameter of the body is reduced in a radial direction, the inner wall of the body (15) is a flat wall, and the outer wall of the body is of a corrugated structure;

the socket pipe (2) is characterized in that the inner wall is a flat wall, the outer wall is of a corrugated structure and comprises wave crests (21) and wave troughs (22), and the wave crests (21) and the wave troughs (22) are alternately and circularly connected;

adjustable non return buckle (3) are detained (33), snap ring (34) including non return buckle (31), adjustable connection (32), attached pipe wall: the check buckles (31) are positioned on the outer wall of the snap ring (34) and are uniformly and discontinuously distributed at intervals, one end of each check buckle (31) is connected with the snap ring (34), and the other end of each check buckle is outwards tilted; the attached pipe wall buckles (33) are positioned on the inner wall of the clamping ring (34), 3 pipe wall buckles are uniformly and discontinuously distributed at intervals in each group, and each group is uniformly and discontinuously distributed at intervals; the adjustable connection (32) comprises an inserting rod (321) and inserting grooves (322), the inserting rod (321) is located at one end of the clamping ring (34) and is evenly and discontinuously distributed at intervals along the axial direction of the clamping ring (34), the inserting grooves (322) are located at the other end of the clamping ring (34), and the number and the shape of the inserting grooves are matched with those of the inserting rod (321); the stem (321) of the adjustable connection (32) of one of the adjustable non-return catches (3) and the socket (322) of the adjustable connection (32) of the other adjustable non-return catch (3) are connected to form a closed ring;

the concave sealing ring (4) comprises a lug (41) and a recess (42).

2. The reinforced polypropylene double-wall corrugated pipe for underground drainage and sewage discharge as claimed in claim 1, wherein: the concave sealing ring (4) surrounds a trough (22) of the socket pipe (2) closest to the end and is clamped between a transition area (13) and a contraction area (14) of the socket pipe (1), the concave part (42) is attached to the outer surface of the trough (22), and the convex lug (41) is attached to the inner surface of the socket pipe (1).

3. The reinforced polypropylene double-wall corrugated pipe for underground drainage and sewage discharge as claimed in claim 1, wherein: the adjustable check buckle (3) surrounds the trough (22) of the socket pipe (2) spaced from the concave sealing ring (4), the pipe wall buckle (33) is attached to the outer wall of the trough (22), the tilting direction of the check buckle (31) is opposite to the inserting direction of the socket pipe (2), and the check buckle is clamped in the buffer buckle area (12) after passing through the flaring area (11).

4. The reinforced polypropylene double-wall corrugated pipe for underground drainage and sewage discharge as claimed in claim 1, wherein: the socket pipe (1) and the socket pipe (2) are made of polypropylene, the adjustable check buckle (3) is made of a thermoplastic elastomer, and the concave sealing ring (4) is made of rubber.

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