CN212903689U

CN212903689U - Double-deck antidetonation bellows of covering

Info

Publication number: CN212903689U
Application number: CN202021877628.7U
Authority: CN
Inventors: 邹伟; 赵信红
Original assignee: Guiyang Weijia Plastics Co ltd
Current assignee: Guiyang Weijia Plastics Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-04-06
Anticipated expiration: 2030-09-02

Abstract

The utility model belongs to the bellows field, especially, double-deck antidetonation bellows of covering, the antidetonation effect to current bellows is relatively poor, and life is shorter, receives the damage easily, and fire behaviour and the relatively poor problem of sound absorption and vibration damping performance now propose following scheme, and it includes the body, the inboard fixedly connected with second back up coat of body, the inboard fixedly connected with second skin layer of second back up coat, the inboard fixedly connected with anticorrosive coating of second skin layer, the first back up coat of outside fixedly connected with of body, the first buffer layer of outside fixedly connected with of first back up coat, the first skin layer of outside fixedly connected with of first buffer layer, the outside fixedly connected with second buffer layer of first skin layer. The utility model discloses rational in infrastructure, convenient operation, the antidetonation effect of this bellows is better, and life is longer, is difficult for receiving the damage, and flame retardant property is better with the sound absorption performance.

Description

Double-deck antidetonation bellows of covering

Technical Field

The utility model relates to a bellows technical field especially relates to a double-deck antidetonation bellows of covering.

Background

The corrugated pipe is a tubular elastic sensitive element which is formed by connecting foldable corrugated sheets along the folding and stretching direction. The corrugated pipe has wide application in instruments and meters, and is mainly used as a measuring element of a pressure measuring instrument to convert pressure into displacement or force. The corrugated pipe has thin pipe wall and high sensitivity, the measurement range is dozens of Pa to dozens of MPa, the open end of the corrugated pipe is fixed, the sealing end is in a free state, and the elasticity is increased by using an auxiliary spiral spring or a reed;

however, the existing corrugated pipe is poor in anti-seismic effect, short in service life, easy to damage, and poor in flame retardant property and sound absorption and vibration reduction performance.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the anti-seismic effect of the corrugated pipe in the prior art is poor, the service life is short, the corrugated pipe is easy to be damaged, the flame retardant property and the shortcoming of poor sound absorption and vibration reduction performance are poor, and the double-layer anti-seismic corrugated pipe of covering is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a double-deck antidetonation bellows of covering, includes the body, the inboard fixedly connected with second back up coat of body, the inboard fixedly connected with second skin layer of second back up coat, the inboard fixedly connected with anticorrosive coating of second skin layer, the first back up coat of outside fixedly connected with of body, the first buffer layer of outside fixedly connected with of first back up coat, the first skin layer of outside fixedly connected with of first buffer layer, the outside fixedly connected with second buffer layer of first skin layer, the outside fixedly connected with wearing layer of second buffer layer, first buffer layer include that first antidetonation layer, antidetonation strip and second are resisted and shake the layer, antidetonation strip fixed connection is resisted and is shaken between the layer at first antidetonation layer and second.

Preferably, first reinforcing layer and second reinforcing layer are carbon cloth, and first reinforcing layer and second reinforcing layer can increase the stability of body.

Preferably, first skin layer and second skin layer are desulfurization circle area, and first skin layer and second skin layer can increase the temperature resistant range width of body, high pressure resistant and corrosion resistance, and fire behaviour is good.

Preferably, the wear-resistant layer is polyurethane elastic fiber, and the anticorrosive layer is an epoxy resin layer.

Preferably, first antidetonation layer and second antidetonation layer are rubber, and first antidetonation layer and second antidetonation layer can promote the antidetonation effect of body.

Preferably, the anti-seismic strip is a silica gel block.

Compared with the prior art, the beneficial effects of the utility model reside in that:

according to the scheme, the buffering effect of the pipe body can be greatly improved through the first buffer layer and the second buffer layer, the stability of the pipe body can be improved through the first reinforcing layer and the second reinforcing layer, the temperature resistance range of the pipe body can be widened through the first skin layer and the second skin layer, the high pressure resistance and the corrosion resistance can be improved through the first skin layer and the second skin layer, the hard force transmission generated by connection is avoided, and the corrosion prevention effect of the pipe body can be improved through the anticorrosive layer;

the utility model discloses rational in infrastructure, convenient operation, the antidetonation effect of this bellows is better, and life is longer, is difficult for receiving the damage, and flame retardant property is better with the sound absorption performance.

Drawings

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

fig. 2 is a schematic view of a front view structure provided by the present invention;

fig. 3 is a schematic structural diagram of the first buffer layer according to the present invention.

In the figure: 1. a pipe body; 2. a first reinforcing layer; 3. a first buffer layer; 4. a first skin layer; 5. a second buffer layer; 6. a wear layer; 7. a second reinforcing layer; 8. a second skin layer; 9. an anticorrosive layer; 10. a first seismic layer; 11. an anti-seismic strip; 12. a second shock resistant layer.

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.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.

Referring to fig. 1-3, a double-deck antidetonation bellows of covering, including body 1, the inboard fixedly connected with second back up coat 7 of body 1, the inboard fixedly connected with second skin layer 8 of second back up coat 7, the inboard fixedly connected with anticorrosive coating 9 of second skin layer 8, the first back up coat 2 of the outside fixedly connected with of body 1, the first buffer layer 3 of the outside fixedly connected with of first back up coat 2, the first skin layer 4 of the outside fixedly connected with of first buffer layer 3, the outside fixedly connected with second buffer layer 5 of first skin layer 4, the outside fixedly connected with wearing layer 6 of second buffer layer 5, first buffer layer 3 includes first buffer layer 10, antidetonation strip 11 and the second resist earthquake layer 12, antidetonation strip 11 fixed connection is between first antidetonation layer 10 and the second resist earthquake layer 12.

In this embodiment, first reinforcing layer 2 and second reinforcing layer 7 are carbon fiber cloth, and first reinforcing layer 2 and second reinforcing layer 7 can increase the stability of body 1.

In this embodiment, first skin layer 4 and second skin layer 8 are desulfurization circle area, and first skin layer 4 and second skin layer 8 can increase the temperature resistant range width of body 1, high pressure resistant and corrosion resistance, and fire behaviour is good.

In this embodiment, the wear-resistant layer 6 is polyurethane elastic fiber, and the anticorrosive layer 9 is an epoxy resin layer.

In this embodiment, the first anti-seismic layer 10 and the second anti-seismic layer 12 are both made of rubber, and the first anti-seismic layer 10 and the second anti-seismic layer 12 can improve the anti-seismic effect of the pipe body 1.

In this embodiment, the anti-vibration strip 11 is a silica gel block.

In this embodiment, can promote the buffering effect of body 1 greatly through first buffer layer 3 and second buffer layer 5, the antidetonation effect that body 1 can be promoted on first antidetonation layer 10 and the second antidetonation layer 12, first back up coat 2 and second back up coat 7 can increase the stability of body 1, make it more stable, the temperature resistant scope of first skin layer 4 and the multiplicable body 1 of second skin layer 8 is wide, high pressure resistance and corrosion resistance, flame retardant property is good, inhale sound shock attenuation and pliability strong, the hard power transmission of having avoided connecting the production, pipeline vibration has been eliminated, anticorrosive coating 9 can promote the anticorrosive effect of body 1.

The utility model discloses the technological progress that prior art obtained relatively is: the utility model discloses rational in infrastructure, convenient operation, the antidetonation effect of this bellows is better, and life is longer, is difficult for receiving the damage, and flame retardant property is better with the sound absorption performance.

Claims

1. A double-layer anti-seismic skin corrugated pipe comprises a pipe body (1) and is characterized in that a second reinforcing layer (7) is fixedly connected to the inner side of the pipe body (1), a second skin layer (8) is fixedly connected to the inner side of the second reinforcing layer (7), an anti-corrosion layer (9) is fixedly connected to the inner side of the second skin layer (8), a first reinforcing layer (2) is fixedly connected to the outer side of the pipe body (1), a first buffer layer (3) is fixedly connected to the outer side of the first reinforcing layer (2), a first skin layer (4) is fixedly connected to the outer side of the first buffer layer (3), a second buffer layer (5) is fixedly connected to the outer side of the first skin layer (4), a wear-resistant layer (6) is fixedly connected to the outer side of the second buffer layer (5), and the first buffer layer (3) comprises a first anti-seismic layer (10), a strip anti-seismic layer (11) and a, the anti-seismic strip (11) is fixedly connected between the first anti-seismic layer (10) and the second anti-seismic layer (12).

2. The skin double-layer anti-seismic corrugated pipe as claimed in claim 1, wherein the first reinforcing layer (2) and the second reinforcing layer (7) are both carbon fiber cloth.

3. The double-skin anti-seismic corrugated pipe as claimed in claim 1, wherein the first skin layer (4) and the second skin layer (8) are both desulfurization ring belts.

4. The skin double-layer anti-seismic corrugated pipe as claimed in claim 1, wherein the wear-resistant layer (6) is polyurethane elastic fiber, and the corrosion-resistant layer (9) is an epoxy resin layer.

5. The skin double-layer anti-seismic corrugated pipe as recited in claim 1, wherein the first anti-seismic layer (10) and the second anti-seismic layer (12) are both rubber.

6. The skin double-layer anti-seismic corrugated pipe as recited in claim 1, wherein the anti-seismic strips (11) are silica gel blocks.