CN214331848U - Novel high-density polyethylene double-wall corrugated pipe - Google Patents

Abstract

The utility model discloses a novel high density polyethylene double-walled bellows, including two bodys and coupling assembling, two bodys all include a plurality of ripple wall, outer tube and inner tube, and the material of outer tube and inner tube is high density polyethylene, and coupling assembling is including fixed cover, spacing groove and fixed pipe, the other end of one of them body of fixed tub of fixing, and the fixed surface of fixed pipe is equipped with fixed cover, and the spacing groove has been seted up at the middle part of fixed cover, and the inside of spacing groove is fixed and is equipped with two spacing rings, the beneficial effects of the utility model are that: the reinforcing ribs are arranged inside the plurality of corrugated walls, so that the toughness of the pipe body can be improved, and the pressure resistance of the pipe body is better; through the limiting plate that sets up in the inside of two spacing rings, can carry on spacingly and fix its inside at fixed pipe to the second connector to under the cooperation of the rubber circle that one side of fixed intraductal wall set up, carry out fixed seal to it, avoid taking place the accident of hourglass water.

Description

Novel high-density polyethylene double-wall corrugated pipe

Technical Field

The utility model relates to a bellows, in particular to novel high density polyethylene double-walled bellows belongs to bellows technical field.

Background

The double-wall corrugated pipe is a novel pipe with an outer wall with an annular structure and a smooth inner wall. The production process and the use technology are mature at present. Due to the excellent performance and the relatively economic cost, the method has been greatly popularized and applied in developed countries such as Europe and America. In China, the popularization and application of HDPE double-wall corrugated pipes are in an ascending stage, and all technical indexes reach the use standards. But the junction of the high density polyethylene double-walled bellows on the existing market is connected through the hot melt adhesive mostly, avoids producing the bubble in that the hot melt adhesive is inside when sealed, and the bubble can lead to connection structure unstable in the use, will make the leakproofness descend after long time, and secondly the compressive capacity of double-walled bellows is not strong, has reduced the safety in utilization of double-walled bellows.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel high density polyethylene double-walled bellows to solve the poor problem of poor and connection leakproofness of the compressive capacity that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel high-density polyethylene double-wall corrugated pipe comprises two pipe bodies and a connecting assembly, wherein each of the two pipe bodies comprises a plurality of corrugated walls, an outer pipe and an inner pipe, the outer pipe and the inner pipe are made of high-density polyethylene materials, the outer pipe and the inner pipe are sequentially and fixedly arranged in the corrugated walls, one end of one pipe body is fixedly provided with a first connector, the two ends of the other pipe body are respectively and fixedly provided with a second connector and a connecting sleeve, the top end of the middle part of the second connector and the bottom end of the middle part of the second connector are respectively provided with a groove, the two grooves are not communicated with the inside of the second connector, the connecting assembly comprises a fixing sleeve, a limiting groove and a fixing pipe, the fixing pipe fixes the other end of one pipe body, the surface of the fixing pipe is fixedly provided with a fixing sleeve, the middle part of the fixing sleeve is provided with a limiting groove, the inside of spacing groove is fixed and is equipped with two spacing rings, two the both sides of spacing ring are fixed respectively and are equipped with first fixed plate and second fixed plate, two the inside of first fixed plate all is fixed and is equipped with nut sleeve, two first fixed plate all through two set screw and two second fixed plate fixed connection.

As a preferred technical scheme of the utility model, the fixed rubber circle that is equipped with in one side of fixed inside pipe wall, the one end of rubber circle with the one end fixed connection of body.

As an optimal technical scheme of the utility model, a plurality of the inside of ripple wall is all fixed and is equipped with the strengthening rib.

As an optimized technical scheme of the utility model, the inner wall of inner tube is fixed and is equipped with the anticorrosive coating.

As a preferred technical scheme of the utility model, the surface of ripple wall and the surface of body all are coated with fire-retardant layer.

As an optimal technical scheme of the utility model, two the inside of spacing ring is all fixed and is equipped with the limiting plate.

Compared with the prior art, the beneficial effects of the utility model are that: the novel high-density polyethylene double-wall corrugated pipe has the advantages that the rubber ring is arranged on one side of the inner wall of the fixed pipe, so that the sealing performance is realized when the novel high-density polyethylene double-wall corrugated pipe is connected with the second connector, and the water leakage of the two pipe bodies is avoided; the reinforcing ribs are arranged inside the plurality of corrugated walls, so that the toughness of the pipe body can be improved, and the pressure resistance of the pipe body is better; through the limiting plate that sets up in the inside of two spacing rings, can carry on spacingly and fix its inside at fixed pipe to the second connector to under the cooperation of the rubber circle that one side of fixed intraductal wall set up, carry out fixed seal to it, avoid taking place the accident of hourglass water.

Drawings

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

fig. 2 is a schematic sectional structure of the present invention;

FIG. 3 is a schematic structural view of the stop collar of the present invention;

FIG. 4 is a schematic sectional view of the inner tube of the present invention;

fig. 5 is a schematic structural diagram of the second connector of the present invention.

In the figure: 1. a pipe body; 2. a first connector; 3. a connecting assembly; 31. fixing a sleeve; 32. a limiting groove; 33. a fixed tube; 4. a second connector; 5. a connecting sleeve; 6. a rubber ring; 7. reinforcing ribs; 8. an outer tube; 9. an inner tube; 10. an anticorrosive layer; 11. a flame retardant layer; 12. a first fixing plate; 13. a set screw; 14. a second fixing plate; 15. a limiting ring; 16. a limiting plate; 17. a nut socket; 18. a corrugated wall; 19. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a novel high density polyethylene double-wall corrugated pipe, comprising twopipe bodies 1 and aconnecting assembly 3, wherein each of the twopipe bodies 1 comprises a plurality ofcorrugated walls 18, anouter pipe 8 and aninner pipe 9, theouter pipe 8 and theinner pipe 9 are made of high density polyethylene, theouter pipe 8 and theinner pipe 9 are sequentially and fixedly disposed inside thecorrugated walls 18, one end of one of thepipe bodies 1 is fixedly provided with afirst connector 2, both ends of theother pipe body 1 are respectively and fixedly provided with asecond connector 4 and a connectingsleeve 5, the top end of the middle part of thesecond connector 4 and the bottom end of the middle part are both provided withgrooves 19, the twogrooves 19 are not communicated with the inside of thesecond connector 4, the connectingassembly 3 comprises afixing sleeve 31, alimiting groove 32 and a fixing pipe 33, the fixing pipe 33 fixes the other end of one of thepipe bodies 1, the fixing pipe 33 is provided with thefixing sleeve 31 on the surface, thespacing groove 32 has been seted up at the middle part of fixedcover 31, and the inside ofspacing groove 32 is fixed and is equipped with twospacing rings 15, and the both sides of twospacing rings 15 are fixed respectively and are equipped with first fixedplate 12 and second fixedplate 14, and the inside of two firstfixed plates 12 is all fixed and is equipped withnut sleeve 17, and two firstfixed plates 12 all are through twoset screw 13 and two second fixedplate 14 fixed connection.

Preferably, one side of the inner wall of the fixed pipe 33 is fixedly provided with the rubber ring 6, one end of the rubber ring 6 is fixedly connected with one end of thepipe body 1, and the rubber ring 6 arranged on one side of the inner wall of the fixed pipe 33 can ensure that the rubber ring has sealing performance when being connected with thesecond connector 4, so that water leakage of the twopipe bodies 1 is avoided; reinforcingribs 7 are fixedly arranged inside the plurality ofcorrugated walls 18, and the reinforcingribs 7 arranged inside the plurality ofcorrugated walls 18 can increase the toughness of thepipe body 1 and improve the pressure resistance of the pipe body; the inner wall of theinner pipe 9 is fixedly provided with theanticorrosive coating 10, and theinner pipe 9 can be protected from being eroded by various liquids through theanticorrosive coating 10 fixedly arranged on the inner wall of theinner pipe 9, so that the service life of the inner pipe is prolonged; the surface of thecorrugated wall 18 and the surface of thepipe body 1 are both coated with the flame-retardant layers 11, and the flame-retardant layers 11 coated on the surfaces of thecorrugated wall 18 and thepipe body 1 can increase the fireproof performance of the pipe body and improve the overall safety of thepipe body 1; the inside of twospacing rings 15 is all fixed and is equipped with limitingplate 16, and limitingplate 16 through the inside setting at twospacing rings 15 can carry out spacingly and fix its inside at fixed pipe 33 tosecond connector 4 to under the cooperation of rubber ring 6 that one side of fixed pipe 33 inner wall set up, carry out fixed seal to it, avoid taking place the accident of hourglass water.

When in specific use, the utility model relates to a novel high-density polyethylene double-wall corrugated pipe, firstly, the fireproof performance can be increased through the flameretardant layer 11 coated on the surfaces of thecorrugated wall 18 and thepipe body 1, the safety of thewhole pipe body 1 is improved, and the toughness of thepipe body 1 can be increased through the reinforcingribs 7 arranged inside the plurality ofcorrugated walls 18, so that the pressure resistance is better, then, when thepipe body 1 needs to be connected, thesecond connector 4 is inserted into the fixed pipe 33, one end of thesecond connector 4 is abutted against the rubber ring 6, then the twospacing rings 15 are arranged inside thespacing groove 32 and fixed through the twofixing screws 13, thesecond connector 4 can be limited and fixed inside the fixed pipe 33 through thelimiting plates 16 arranged inside the twospacing rings 15, and the rubber ring 6 arranged on one side of the inner wall of the fixed pipe 33 is matched, theinner pipe 9 is fixedly sealed, so that the water leakage accident is avoided, and theinner pipe 9 can be protected from being corroded by various liquids through theanti-corrosion layer 10 fixedly arranged on the inner wall of theinner pipe 9, so that the service life of the inner pipe is prolonged.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a novel high density polyethylene double-walled bellows, includes two bodys (1) and coupling assembling (3), its characterized in that, two bodys (1) all include a plurality of ripple wall (18), outer tube (8) and inner tube (9), outer tube (8) with inner tube (9) are the high density polyethylene material and make, outer tube (8) with inner tube (9) are fixed in proper order and are set up in the inside of ripple wall (18), one of them one end of body (1) is fixed and is equipped with first connector (2), another both ends of body (1) are fixed respectively and are equipped with second connector (4) and connecting sleeve (5), the top at the middle part of second connector (4) and the bottom at the middle part all set up recess (19), two recess (19) with the inside of second connector (4) does not communicate with each other, coupling assembling (3) are including fixed cover (31), spacing groove (32) and fixed pipe (33), fixed pipe (33) are fixed one of them the other end of body (1), the fixed surface of fixed pipe (33) is equipped with fixed cover (31), spacing groove (32) have been seted up at the middle part of fixed cover (31), the inside of spacing groove (32) is fixed and is equipped with two spacing rings (15), two the both sides of spacing ring (15) are fixed respectively and are equipped with first fixed plate (12) and second fixed plate (14), two the inside of first fixed plate (12) all is fixed and is equipped with nut sleeve (17), two first fixed plate (12) all through two set screw (13) and two second fixed plate (14) fixed connection.

2. The new high density polyethylene double wall corrugated pipe as claimed in claim 1, wherein: one side of fixed pipe (33) inner wall is fixed and is equipped with rubber circle (6), the one end of rubber circle (6) with the one end fixed connection of body (1).

3. The new high density polyethylene double wall corrugated pipe as claimed in claim 1, wherein: reinforcing ribs (7) are fixedly arranged inside the plurality of corrugated walls (18).

4. The new high density polyethylene double wall corrugated pipe as claimed in claim 1, wherein: and an anticorrosive layer (10) is fixedly arranged on the inner wall of the inner pipe (9).

5. The new high density polyethylene double wall corrugated pipe as claimed in claim 1, wherein: the surface of the corrugated wall (18) and the surface of the pipe body (1) are coated with a flame-retardant layer (11).

6. The new high density polyethylene double wall corrugated pipe as claimed in claim 1, wherein: limiting plates (16) are fixedly arranged inside the two limiting rings (15).

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