CN218645035U

CN218645035U - High-precision corrosion-resistant corrugated pipe

Info

Publication number: CN218645035U
Application number: CN202223160881.2U
Authority: CN
Inventors: 邓爱平; 顾郑
Original assignee: Wuxi Jindu Bellows Co ltd
Current assignee: Wuxi Jindu Bellows Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-03-17
Anticipated expiration: 2032-11-28

Abstract

The utility model discloses a high-precision corrosion-resistant corrugated pipe, which relates to the technical field of corrugated pipes and comprises a corrugated pipe body, wherein the corrugated pipe body comprises an inner pipe and an outer pipe, and the outer pipe is positioned inside the inner pipe; ripple groove in having seted up to the inside wall of inner tube, anticorrosive coating and HDPE layer in the inside wall of inner tube from inside to outside fixedly connected with in proper order, fixedly connected with anticorrosion intermediate layer between inner tube and the outer tube, the lateral wall of outer tube is provided with the outer arc convex peak and the outer arc concave peak of a plurality of crisscross distributions, the interior spacer of inside fixedly connected with of outer arc convex peak, make the bellows can bear bigger pressure in the underground, avoid the bellows to break and appear revealing the phenomenon, the wearing layer and the outer anticorrosive coating of outer tube lateral wall make the outside corrosion resistance and the wearability reinforcing of corrosion resistant bellows, and zirconium titanium alloy coating makes the bellows have sun-proof frost resisting and the explosion-proof effect of resistance to compression, ripple pipe corrosion resistance improves in making, ripple pipe life in the reinforcing.

Description

High-precision corrosion-resistant corrugated pipe

Technical Field

The utility model relates to a bellows technical field specifically is a corrosion-resistant bellows of high accuracy.

Background

The corrugated pipe mainly comprises a metal corrugated pipe, a corrugated expansion joint, a corrugated heat exchange pipe, a diaphragm capsule, a metal hose and the like. The metal corrugated pipe is mainly applied to the effects of compensating the thermal deformation of a pipeline, damping, absorbing the settlement deformation of the pipeline and the like, and is widely applied to the industries of petrifaction, instruments, aerospace, chemical industry, electric power, cement, metallurgy and the like. The corrugated pipes made of other materials such as plastics have irreplaceable functions in the fields of medium conveying, electric power threading, machine tools, household appliances and the like.

The outer tube parcel inner tube is adopted to protect the inner tube mostly to current bellows, nevertheless because give the soil property condition difference, the condition that pinhole, local damage appear can lead to because of long-time soil corrosion to the surface of messenger's outer tube, and then influences the inner tube and lead to the bellows to damage hourglass.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a corrosion-resistant bellows of high accuracy makes the corrosion resisting property reinforcing of bellows, simultaneously, has improved the bearing pressure of bellows, and the intensity reinforcing of the bellows of messenger can avoid the bellows to break and appear revealing the phenomenon.

In order to achieve the above purpose, the utility model provides a following technical scheme: a high-precision corrosion-resistant corrugated pipe comprises a corrugated pipe body, wherein the corrugated pipe body comprises an inner pipe and an outer pipe, and the outer pipe is positioned inside the inner pipe;

the utility model discloses a wear-resisting multilayer corrugated pipe, including inner tube, anticorrosive coating and HDPE layer, the inside wall of inner tube has seted up interior ripple groove, anticorrosive coating and HDPE layer in the inside wall of inner tube from inside to outside fixedly connected with in proper order, fixedly connected with anticorrosion intermediate layer between inner tube and the outer tube, the lateral wall of outer tube is provided with outer arc crest and outer arc crest that a plurality of crisscross distribute, the inside fixedly connected with inner support cover of outer arc crest, inner support cover's inside wall fixedly connected with inner support ring, outer arc crest's inside wall fixedly connected with outer support ring, the lateral wall of outer tube is from outside-in fixedly connected with wearing layer, outer anticorrosive coating and zirconium titanium alloy coating in proper order.

In order to facilitate at inner tube and outer tube both sides installation connecting pipe, conduct the utility model discloses a corrosion-resistant bellows of high accuracy is preferred, the equal fixedly connected with fixed disk in the left and right sides of inner tube and outer tube.

In order to make the connection stability ability reinforcing of connecting pipe, conduct the utility model discloses a corrosion-resistant bellows of high accuracy is preferred, the lateral wall threaded connection of outer tube has the thread bush, the lateral wall fixedly connected with locking swivel nut of thread bush, and the inside wall of locking swivel nut pastes with the lateral wall of fixed disk.

Not hard up phenomenon appears in order to prevent connecting pipe and bellows, as the utility model discloses a corrosion-resistant bellows of high accuracy is preferred, the inside threaded connection of lock swivel nut has a plurality of bolts, the lateral wall threaded connection of the other end of bolt has lock nut.

In order to make the fire behaviour and the high temperature resistant layer performance reinforcing of bellows, conduct the utility model discloses a corrosion-resistant bellows of high accuracy is preferred, inside outside from inside fire-retardant layer of fixedly connected with and the high temperature resistant layer of outer tube intermediate layer in proper order.

In order to strengthen the support intensity of outer tube, as the utility model discloses a corrosion-resistant bellows of high accuracy is preferred, the silica gel rubber material is adopted to interior support sleeve, the polypropylene material is all adopted to inner support ring and outer support ring.

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

the utility model discloses, ripple groove in seting up at the inside wall of inner tube, interior ripple groove makes the inside damping performance reinforcing of inner tube, the corrosion resistant coating and the inside corrosion resistant strength of HDPE layer reinforcing inner tube, the anticorrosion intermediate layer prevents to appear corrosion problems between inner tube and the outer tube, outer arc crest and outer arc crest make the intensity and the damping nature reinforcing of corrosion resistant bellows, and make the whole life of corrosion resistant bellows improve, supporting ring and outer supporting ring in the inside fixed mounting of inner strut cover and outer supporting sleeve, make the bellows can bear bigger pressure in the underground, avoid the bellows to break and appear revealing the phenomenon, the wearing layer and the outer corrosion resistant coating of outer tube lateral wall make the outside corrosion resistance and the wear resistance reinforcing of corrosion resistant bellows, and zirconium titanium alloy coating makes the bellows have sun-proof frost-proof and the explosion-proof effect of resistance, make interior bellows corrosion resistant performance improve, bellows life strengthens.

Drawings

Fig. 1 is an overall front view structural diagram of a high-precision corrosion-resistant corrugated pipe of the present invention;

FIG. 2 is a structural diagram of the inner tube and the outer tube of the present invention;

FIG. 3 is a structural diagram of the flame retardant layer and the high temperature resistant layer of the present invention;

figure 4 is a block diagram of the inner corrosion protection layer and HDPE layer of the present invention.

In the figure: 1. a bellows body; 2. an inner tube; 201. an inner corrugation groove; 202. an inner anti-corrosion layer; 203. a HDPE layer; 204. an anti-corrosion interlayer; 205. fixing the disc; 3. an outer tube; 301. an outer arc-shaped convex peak; 302. an outer arc-shaped concave peak; 303. an inner supporting sleeve; 304. an outer supporting sleeve; 305. an inner support ring; 306. an outer support ring; 307. a zirconium titanium alloy coating; 308. an outer anti-corrosion layer; 309. a wear layer; 4. a threaded sleeve; 401. locking the threaded sleeve; 5. a bolt; 501. a lock nut; 6. a flame retardant layer; 601. a high temperature resistant layer.

Detailed Description

Referring to fig. 1 to 4, a high-precision corrosion-resistant corrugated pipe includes a corrugated pipe body 1, where the corrugated pipe body 1 includes an inner pipe 2 and an outer pipe 3, and the outer pipe 3 is located inside the inner pipe 2;

inner corrugated groove 201 has been seted up to the inside wall of inner tube 2, anti-corrosion layer 202 and HDPE layer 203 in the inside wall of inner tube 2 from inside to outside fixedly connected with in proper order, fixedly connected with anticorrosion intermediate layer 204 between inner tube 2 and the outer tube 3, the outside wall of outer tube 3 is provided with a plurality of outer arc convex peaks 301 and outer arc concave peaks 302 of crisscross distribution, inner brace 303 of the inside fixedly connected with of outer arc convex peaks 301, inner brace 305 of the inside wall fixedly connected with of inner brace 303, outer brace 304 of the inside wall fixedly connected with of outer arc concave peaks 302, outer brace 306 of the inside wall fixedly connected with of outer brace 304, outer wear-resisting layer 309, outer anti-corrosion layer 308 and zirconium titanium alloy coating 307 of fixedly connected with in proper order from outside in the outside of the outside wall of outer tube 3.

In this embodiment: the inner corrugated groove 201 is formed in the inner side wall of the inner pipe 2, the inner corrugated groove 201 enables the damping performance inside the inner pipe 2 to be enhanced, the inner anti-corrosion layer 202 and the HDPE layer 203 are fixedly connected with the inner corrugated groove 201 and the inner part of the inner pipe 2, the corrosion resistance strength inside the inner pipe 2 is further enhanced, the anti-corrosion interlayer 204 enhances the tightness between the inner pipe 2 and the outer pipe 3, and the corrosion problem between the inner pipe 2 and the outer pipe 3 is prevented, the strength and the damping performance of the corrosion-resistant corrugated pipe are enhanced through the outer arc-shaped convex peaks 301 and the outer arc-shaped concave peaks 302, the service life of the whole corrosion-resistant corrugated pipe is prolonged, the inner supporting ring 305 and the outer supporting ring 306 are fixedly installed inside the inner supporting sleeve 303 and the outer supporting sleeve 304, the corrugated pipe can bear higher pressure underground, the leakage phenomenon caused by the breakage of the corrugated pipe is avoided, the corrosion resistance and the wear resistance outside the corrosion resistance of the corrosion-resistant corrugated pipe are enhanced through the wear-resistant layer 309 and the outer anti-corrosion layer 308 on the outer side wall of the outer pipe 3, the titanium alloy coating 307 enables the corrugated pipe to have sun-proof and anti-freezing effects, the anti-freezing effect is improved performance of the inner corrugated pipe, and the service life of the anti-freezing effect is prolonged.

As a technical optimization scheme of the utility model, the equal fixedly connected with fixed disk 205 in the left and right sides of inner tube 2 and outer tube 3.

In this embodiment: the fixing plate 205 is internally provided with bolts 5 for mounting connecting pipes at both sides of the inner pipe 2 and the outer pipe 3.

As a technical optimization scheme of the utility model, the lateral wall threaded connection of outer tube 3 has thread bush 4, and the lateral wall fixedly connected with locking swivel nut 401 of thread bush 4, and the inside wall of locking swivel nut 401 pastes with the outside wall of fixed disk 205 mutually.

In this embodiment: the connecting pipe is installed inside the two sides of the inner pipe 2 in a threaded mode, the locking threaded sleeve 401 is rotated, the inner side wall of the locking threaded sleeve 401 is in threaded connection with the outer side wall of the connecting pipe, and therefore the connecting stability of the connecting pipe is enhanced.

As a technical optimization scheme of the utility model, the inside threaded connection of lock swivel nut 401 has a plurality of bolts 5, and the lateral wall threaded connection of the other end of bolt 5 has lock nut 501.

In this embodiment: the bolt 5 penetrates the fixing plate 205 and the outside of the connecting pipe, and the lock nut 501 is in threaded connection with the outer side wall of the bolt 5, so that the connecting pipe and the corrugated pipe are prevented from loosening.

As a technical optimization scheme of the utility model, the fire-retardant layer of 3 intermediate layers of outer tube inside from the extroversion in proper order fixedly connected with 6 and high temperature resistant layer 601.

In this embodiment: the flame retardant layer 6 and the high temperature resistant layer 601 enhance the flame retardant performance of the corrugated pipe and the performance of the high temperature resistant layer 601.

As a technical optimization scheme of the utility model, interior brace cover 303 adopts the silica gel rubber material, and inner support ring 305 and outer support ring 306 all adopt the polypropylene material.

In this embodiment: the elastic property of the silica gel rubber material is good, so that the outer tube 3 is further conveniently supported, and the inner support ring 305 and the outer support ring 306 are convenient for supporting the outer tube 3, so that the support strength of the outer tube 3 is further enhanced.

The working principle is as follows: firstly, an inner corrugated groove 201 is formed in the inner side wall of an inner pipe 2, the inner corrugated groove 201 enhances the damping performance inside the inner pipe 2, an inner anti-corrosion layer 202 and an HDPE layer 203 are fixedly connected with the inner corrugated groove 201 and the inner part of the inner pipe 2, so that the corrosion resistance strength inside the inner pipe 2 is enhanced, an anti-corrosion interlayer 204 enhances the tightness between the inner pipe 2 and an outer pipe 3, and the corrosion problem between the inner pipe 2 and the outer pipe 3 is prevented, the strength and the damping performance of the corrosion-resistant corrugated pipe are enhanced by an outer arc-shaped convex peak 301 and an outer arc-shaped concave peak 302, the service life of the whole corrosion-resistant corrugated pipe is prolonged, an inner supporting ring 305 and an outer supporting ring 306 are fixedly installed inside an inner supporting sleeve 303 and an outer supporting sleeve 304, so that the corrugated pipe can bear higher pressure underground, the leakage phenomenon caused by the cracking of the corrugated pipe is avoided, the corrosion resistance and the wear resistance outside the corrosion-resistant corrugated pipe are enhanced by an outer anti-corrosion layer 309 and an outer anti-corrosion layer 308 on the outer side wall of the outer pipe 3, and a zirconium-titanium alloy coating 307 enables the corrugated pipe to have sun-proof and anti-pressure-proof effects, the anti-explosion effect is improved, the anti-freezing and the service life of the inner corrugated pipe is prolonged.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a corrosion-resistant bellows of high accuracy, includes bellows body (1), its characterized in that: the corrugated pipe body (1) comprises an inner pipe (2) and an outer pipe (3), and the outer pipe (3) is positioned inside the inner pipe (2);

ripple groove (201) in having seted up to the inside wall of inner tube (2), anti-corrosion coating (202) and HDPE layer (203) in fixedly connected with in proper order from inside to outside of the inside wall of inner tube (2), fixedly connected with anticorrosion intermediate layer (204) between inner tube (2) and outer tube (3), the lateral wall of outer tube (3) is provided with outer arc crest (301) and outer arc crest (302) of a plurality of crisscross distributions, the inside fixedly connected with inner brace cover (303) of outer arc crest (301), inner brace ring (305) is connected with to the inside wall fixedly connected with of inner brace cover (303), the inside wall fixedly connected with outer brace cover (304) of outer arc crest (302), outer brace ring (306) is connected with to the inside wall fixedly connected with of outer brace cover (304), the outside wall of outer tube (3) is fixedly connected with wearing layer (309), outer anti-corrosion coating (308) and zirconium titanium alloy coating (307) in proper order from the outside.

2. A high precision corrosion resistant corrugated pipe as claimed in claim 1, wherein: the left side and the right side of the inner pipe (2) and the outer pipe (3) are fixedly connected with fixed disks (205).

3. A high precision corrosion resistant corrugated pipe as claimed in claim 2, wherein: the outer wall threaded connection of outer tube (3) has thread bush (4), the outer wall fixedly connected with locking swivel nut (401) of thread bush (4), and the inside wall of locking swivel nut (401) pastes with the outside wall of fixed disk (205).

4. A high precision corrosion resistant corrugated pipe as claimed in claim 3, wherein: the inner thread of the locking thread insert (401) is connected with a plurality of bolts (5), and the outer side wall of the other end of each bolt (5) is connected with a locking nut (501) in a threaded mode.

5. A high precision corrosion resistant corrugated pipe as claimed in claim 1, wherein: and a flame-retardant layer (6) and a high-temperature-resistant layer (601) are fixedly connected in sequence from outside to inside in the interlayer of the outer pipe (3).

6. A high precision corrosion resistant corrugated pipe as claimed in claim 1, wherein: the inner supporting sleeve (303) is made of silica gel rubber, and the inner supporting ring (305) and the outer supporting ring (306) are made of polypropylene.