CN212226266U

CN212226266U - HDPE (high-density polyethylene) reinforced helical bellows with compression-resistant structure

Info

Publication number: CN212226266U
Application number: CN202020861842.7U
Authority: CN
Inventors: 陆修威
Original assignee: Jiangxi Lufeng Pipe Industry Technology Co ltd
Current assignee: Jiangxi Lufeng Pipe Industry Technology Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2020-12-25
Anticipated expiration: 2030-05-21

Abstract

The utility model relates to a compression fittings technical field just discloses a HDPE reinforcing helical bellows with compressive structures, including the ripple outer tube, the first strengthening rib of inboard fixedly connected with of ripple outer tube, the left end fixedly connected with fixed sleeving of ripple outer tube, the equal fixedly connected with annular spring of fixed sleeving's interior roof and interior diapire, two the equal fixedly connected with fixture block in one side that the annular spring is relative, the left end fixedly connected with of fixed sleeving is sealed fills up, the right-hand member fixedly connected with connecting pipe of ripple outer tube. This HDPE reinforcing helical bellows with compressive structures through setting up ripple outer tube, first strengthening rib, aluminium matter compressive layer, enhancement layer, second strengthening rib and ripple inner tube, can improve helical bellows's compressive strength, can improve helical bellows's toughness strength and tough and tensile property simultaneously, reduces helical bellows and takes place to buckle or cracked probability, has improved helical bellows's life.

Description

HDPE (high-density polyethylene) reinforced helical bellows with compression-resistant structure

Technical Field

The utility model relates to a compression fittings technical field specifically is a HDPE reinforcing helical bellows with compressive structures.

Background

The HDPE reinforced spiral corrugated pipe is made of a U-shaped steel belt composite PE material, so that the ring stiffness of the pipe is greatly improved on the premise of not increasing the cost, the strength of the pipe is greatly improved compared with that of a wound pipe and a Krah pipe under the same weight condition, a series of problems such as heavy load can be solved, and the advantage of the large-diameter pipe is more obvious.

HDPE reinforcing helical bellows adopts special material and technology, the winding shaping under the abundant molten state of plastic raw materials, the overall structure of tubular product is firm reliable, but current HDPE reinforcing helical bellows does not have the compressive strength structure, the compressive strength who leads to the bellows is lower, when the bellows receives powerful impact force, appear buckling easily or cracked phenomenon, the life of bellows has been reduced, inconvenient use, helical bellows's availability factor and result of use have been reduced, so propose an HDPE reinforcing helical bellows with compressive strength structure and solve the above-mentioned problem of proposing.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a HDPE reinforcing helical bellows with compressive structures possesses advantages such as having compressive structures, has solved current HDPE reinforcing helical bellows and has not had compressive structures, and the compressive strength that leads to the bellows is lower, and when the bellows received powerful impact force, the easy phenomenon of buckling or fracture appeared has reduced the life of bellows, and inconvenient use has reduced helical bellows's availability factor and result of use's problem.

(II) technical scheme

In order to realize the above-mentioned compressive structures purpose that has, the utility model provides a following technical scheme: the HDPE reinforced spiral corrugated pipe with the pressure-resistant structure comprises a corrugated outer pipe, wherein a first reinforcing rib is fixedly connected to the inner side of the corrugated outer pipe, a fixing sleeve is fixedly connected to the left end of the corrugated outer pipe, annular springs are fixedly connected to the inner top wall and the inner bottom wall of the fixing sleeve, a fixing fixture block is fixedly connected to one opposite side of the two annular springs, a sealing gasket is fixedly connected to the left end of the fixing sleeve, a connecting pipe is fixedly connected to the right end of the corrugated outer pipe, an aluminum pressure-resistant layer is fixedly connected to the inner side of the first reinforcing rib, a cold-resistant layer is fixedly connected to the inner side of the aluminum pressure-resistant layer, a polyethylene heat-insulating layer is fixedly connected to the inner side of the polyethylene heat-insulating layer, an enhancement layer is fixedly connected to the inner side of the isolation layer, and a second reinforcing rib, the inboard fixedly connected with ripple inner tube of second strengthening rib, annular ripple piece in the inboard fixedly connected with of ripple inner tube, the outside fixedly connected with inoxidizing coating of interior annular ripple piece, the outer annular ripple piece of the outside fixedly connected with of ripple outer tube, the outside fixedly connected with wearing layer of outer annular ripple piece.

Preferably, the inner side of the fixing sleeve is provided with a threaded hole, the outer side of the connecting pipe is provided with a threaded groove, and the diameter of the threaded hole is equal to that of the connecting pipe.

Preferably, the number of the annular springs and the fixed clamping blocks is two, the outer side of the connecting pipe is provided with two limiting grooves, and the length of the fixed clamping blocks is equal to that of the limiting grooves.

Preferably, the outer annular corrugated blocks are arranged at equal intervals on the outer side of the corrugated outer pipe, and the inner annular corrugated blocks are arranged at equal intervals on the inner side of the corrugated inner pipe.

Preferably, the corrugated inner tube, the connecting tube and the fixing sleeve are cylinders which are hollow inside and have missing left and right ends, and the diameters of the inner sides of the fixing sleeve and the corrugated inner tube are equal.

Preferably, the aluminum anti-pressure layer, the cold-resistant layer, the polyethylene heat-insulating layer, the reinforcing layer, the second reinforcing rib and the first reinforcing rib are all located between the corrugated outer pipe and the corrugated inner pipe, and the corrugated inner pipe is fixedly connected with the fixed sleeve.

(III) advantageous effects

Compared with the prior art, the utility model provides a HDPE reinforcing helical bellows with compressive structures possesses following beneficial effect:

the HDPE reinforced helical bellows with the compression-resistant structure can improve the compression strength of the helical bellows by arranging the corrugated outer pipe, the first reinforcing rib, the aluminum compression-resistant layer, the reinforcing layer, the second reinforcing rib and the corrugated inner pipe, can improve the toughness strength and the toughness performance of the helical bellows, and can reduce the probability of bending or breaking of the helical bellows, can isolate external cold air from the helical bellows by arranging the cold-resistant layer, the polyethylene heat-insulating layer and the isolation layer, improve the cold resistance performance of the helical bellows, avoid the phenomenon of cracking when the helical bellows is used, and prolong the service life of the helical bellows, because the inner side of the fixed sleeve is provided with the threaded hole, the outer side of the connecting pipe is provided with the threaded groove, and the diameter of the threaded hole is equal to that of the connecting pipe, a plurality of helical bellows can be quickly spliced by arranging the fixed sleeve and the connecting pipe, through setting up annular spring, fixed fixture block and spacing groove, can improve the steadiness of a plurality of helical bellows concatenations, realized the function that the bellows combination was used, overall structure is simple, facilitates the use, has improved helical bellows's compressive strength, when avoiding the bellows to receive powerful impact force, appears buckling or cracked phenomenon, has improved the life of bellows, has improved helical bellows's availability factor and result of use.

Drawings

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

fig. 2 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: the corrugated pipe comprises a corrugated outer pipe 1, a first reinforcing rib 2, a fixing sleeve 3, an annular spring 4, a fixing fixture block 5, a sealing gasket 6, a connecting pipe 7, an aluminum pressure-resistant layer 8, a cold-resistant layer 9, a polyethylene heat-insulating layer 10, an insulating layer 11, a reinforcing layer 12, a second reinforcing rib 13, a corrugated inner pipe 14, an annular corrugated block 15, a protective layer 16, an outer annular corrugated block 17 and a wear-resistant layer 18.

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. 1-2, an HDPE reinforced helical bellows with a pressure-resistant structure comprises a corrugated outer tube 1, a first reinforcing rib 2 is fixedly connected to the inner side of the corrugated outer tube 1, a fixing sleeve 3 is fixedly connected to the left end of the corrugated outer tube 1, annular springs 4 are fixedly connected to the inner top wall and the inner bottom wall of the fixing sleeve 3, fixing blocks 5 are fixedly connected to the opposite sides of the two annular springs 4, a sealing gasket 6 is fixedly connected to the left end of the fixing sleeve 3, a connecting tube 7 is fixedly connected to the right end of the corrugated outer tube 1, the number of the annular springs 4 and the number of the fixing blocks 5 are two, two limiting grooves are formed in the outer side of the connecting tube 7, the length of the fixing blocks 5 is equal to that of the limiting grooves, threaded holes are formed in the inner side of the fixing sleeve 3, threaded grooves are formed in the outer side of the connecting tube 7, and the, the inner side of the first reinforcing rib 2 is fixedly connected with an aluminum anti-pressure layer 8, the inner side of the aluminum anti-pressure layer 8 is fixedly connected with a cold-resistant layer 9, the inner side of the cold-resistant layer 9 is fixedly connected with a polyethylene heat-insulating layer 10, the inner side of the polyethylene heat-insulating layer 10 is fixedly connected with an isolation layer 11, the inner side of the isolation layer 11 is fixedly connected with a reinforcing layer 12, the inner side of the reinforcing layer 12 is fixedly connected with a second reinforcing rib 13, the compressive strength of the helical bellows can be improved by arranging the corrugated outer tube 1, the first reinforcing rib 2, the aluminum anti-pressure layer 8, the reinforcing layer 12, the second reinforcing rib 13 and the corrugated inner tube 14, the toughness strength and toughness of the helical bellows can be improved, the probability of bending or breaking of the helical bellows can be reduced, the cold-resistant layer 9, the polyethylene heat-insulating layer 10 and the isolation, the phenomenon of cracking when the spiral corrugated pipe is used is avoided, the service life of the spiral corrugated pipe is prolonged, because the inner side of the fixed sleeve 3 is provided with a threaded hole, the outer side of the connecting pipe 7 is provided with a threaded groove, and the diameter of the threaded hole is equal to that of the connecting pipe 7, a plurality of spiral corrugated pipes can be quickly spliced by arranging the fixed sleeve 3 and the connecting pipe 7, the splicing stability of the plurality of spiral corrugated pipes can be improved by arranging the annular spring 4, the fixed fixture block 5 and the limiting groove, the combined use function of the corrugated pipes is realized, the integral structure is simple and convenient to use, the compressive strength of the spiral corrugated pipe is improved, the phenomenon of bending or breaking when the corrugated pipe is subjected to strong impact force is avoided, the service life of the corrugated pipe is prolonged, the use efficiency and the use effect of the spiral corrugated pipe are improved, the corrugated inner pipe 14 is fixedly connected to the inner, the aluminum anti-pressure layer 8, the cold-resistant layer 9, the polyethylene heat-insulating layer 10, the insulating layer 11, the reinforcing layer 12, the second reinforcing rib 13 and the first reinforcing rib 2 are all positioned between the corrugated outer pipe 1 and the corrugated inner pipe 14, ripple inner tube 14 and fixed sleeve 3 fixed connection, ripple inner tube 14, connecting pipe 7 and fixed sleeve 3 are inside cavity and control the cylinder that both ends lacked, fixed sleeve 3 equals with ripple inner tube 14's inboard diameter, annular ripple piece 15 in the inboard fixedly connected with of ripple inner tube 14, the outside fixedly connected with inoxidizing coating 16 of interior annular ripple piece 15, the outer annular ripple piece 17 of outside fixedly connected with of ripple outer tube 1, outer annular ripple piece 17 is the equidistance in the outside of ripple outer tube 1 and arranges, interior annular ripple piece 15 is the equidistance in ripple inner tube 14's inboard and arranges, the outside fixedly connected with wearing layer 18 of outer annular ripple piece 17.

When using, through setting up corrugated outer tube 1, first strengthening rib 2, aluminium matter compressive layer 8, enhancement layer 12, second strengthening rib 13 and ripple inner tube 14, can improve helical bellows's compressive strength, can improve helical bellows's toughness strength and tough and tensile performance simultaneously, reduce helical bellows and take place the probability of buckling or fracture, through setting up cold-resistant layer 9, polyethylene heat preservation 10 and isolated layer 11, can let helical bellows isolated external cold gas, improve helical bellows's cold-resistant performance.

To sum up, the HDPE reinforced helical bellows with the compression-resistant structure can improve the compression strength of the helical bellows by arranging the corrugated outer tube 1, the first reinforcing rib 2, the aluminum compression-resistant layer 8, the reinforcing layer 12, the second reinforcing rib 13 and the corrugated inner tube 14, can improve the toughness strength and toughness of the helical bellows, and can reduce the probability of bending or breaking of the helical bellows, and can isolate external cold air by arranging the cold-resistant layer 9, the polyethylene heat-insulating layer 10 and the isolation layer 11, thereby improving the cold resistance of the helical bellows, avoiding the occurrence of burst phenomenon when the helical bellows is used, prolonging the service life of the helical bellows, because the inner side of the fixed sleeve 3 is provided with a threaded hole, the outer side of the connecting tube 7 is provided with a threaded groove, and the diameter of the threaded hole is equal to that of the connecting tube 7, by arranging the fixed sleeve 3 and the connecting tube 7, can splice a plurality of helical bellows fast, through setting up ring spring 4, fixed fixture block 5 and spacing groove, can improve the steadiness of a plurality of helical bellows concatenations, the function that the bellows combination was used has been realized, overall structure is simple, and is convenient to use, helical bellows's compressive strength has been improved, when avoiding the bellows to receive powerful impact force, appear buckling or cracked phenomenon, the life of bellows has been improved, helical bellows's availability factor and result of use have been improved, it does not have the compressive structure to have solved current HDPE reinforcing helical bellows, the compressive strength that leads to the bellows is lower, when the bellows receives powerful impact force, buckling or cracked phenomenon appears easily, the life of bellows has been reduced, inconvenient use, helical bellows's availability factor and the problem of result of use have been reduced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

1. An HDPE reinforcing helical bellows with compressive structures, includes ripple outer tube (1), its characterized in that: the corrugated pipe is characterized in that a first reinforcing rib (2) is fixedly connected to the inner side of the corrugated outer pipe (1), a fixing sleeve (3) is fixedly connected to the left end of the corrugated outer pipe (1), an annular spring (4) is fixedly connected to the inner top wall and the inner bottom wall of the fixing sleeve (3), a fixing fixture block (5) is fixedly connected to the opposite side of the annular spring (4), a sealing gasket (6) is fixedly connected to the left end of the fixing sleeve (3), a connecting pipe (7) is fixedly connected to the right end of the corrugated outer pipe (1), an aluminum pressure-resistant layer (8) is fixedly connected to the inner side of the first reinforcing rib (2), a cold-resistant layer (9) is fixedly connected to the inner side of the aluminum pressure-resistant layer (8), a polyethylene heat-insulating layer (10) is fixedly connected to the inner side of the cold-resistant layer (9), and an insulating, the inboard fixedly connected with enhancement layer (12) of insulating layer (11), inboard fixedly connected with second strengthening rib (13) of enhancement layer (12), inboard fixedly connected with ripple inner tube (14) of second strengthening rib (13), annular ripple piece (15) in the inboard fixedly connected with of ripple inner tube (14), the outside fixedly connected with inoxidizing coating (16) of interior annular ripple piece (15), outer annular ripple piece (17) of the outside fixedly connected with of ripple outer tube (1), the outside fixedly connected with wearing layer (18) of outer annular ripple piece (17).

2. The HDPE reinforced spiral corrugated pipe with the pressure-resistant structure as claimed in claim 1, wherein: the inner side of the fixed sleeve (3) is provided with a threaded hole, the outer side of the connecting pipe (7) is provided with a threaded groove, and the diameter of the threaded hole is equal to that of the connecting pipe (7).

3. The HDPE reinforced spiral corrugated pipe with the pressure-resistant structure as claimed in claim 1, wherein: the number of the annular springs (4) and the fixed clamping blocks (5) is two, the outer side of the connecting pipe (7) is provided with two limiting grooves, and the length of the fixed clamping blocks (5) is equal to that of the limiting grooves.

4. The HDPE reinforced spiral corrugated pipe with the pressure-resistant structure as claimed in claim 1, wherein: the outer annular corrugated blocks (17) are arranged on the outer side of the corrugated outer pipe (1) at equal intervals, and the inner annular corrugated blocks (15) are arranged on the inner side of the corrugated inner pipe (14) at equal intervals.

5. The HDPE reinforced spiral corrugated pipe with the pressure-resistant structure as claimed in claim 1, wherein: the corrugated inner tube (14), the connecting tube (7) and the fixed sleeve (3) are cylinders which are hollow inside and are missing at the left end and the right end, and the diameters of the inner sides of the fixed sleeve (3) and the corrugated inner tube (14) are equal.

6. The HDPE reinforced spiral corrugated pipe with the pressure-resistant structure as claimed in claim 1, wherein: the aluminum anti-pressure layer (8), the cold-resistant layer (9), the polyethylene heat-insulating layer (10), the insulating layer (11), the reinforcing layer (12), the second reinforcing rib (13) and the first reinforcing rib (2) are all located between the corrugated outer pipe (1) and the corrugated inner pipe (14), and the corrugated inner pipe (14) is fixedly connected with the fixed sleeve (3).