CN212338595U

CN212338595U - Stainless steel corrugated pipe stress corrosion protection device

Info

Publication number: CN212338595U
Application number: CN201821807121.7U
Authority: CN
Inventors: 叶晓波; 张棵梅
Original assignee: ZHEJIANG BOMEITE ENERGY EQUIPMENT CO Ltd
Current assignee: ZHEJIANG BOMEITE ENERGY EQUIPMENT CO Ltd
Priority date: 2018-11-05
Filing date: 2018-11-05
Publication date: 2021-01-12
Anticipated expiration: 2028-11-05

Abstract

The utility model discloses a stainless steel bellows stress corrosion protector, including first bellows and second bellows, second bellows left side is arranged in to first bellows, first bellows right-hand member welded fastening has first connector, first flange has been cup jointed in the first connector outside, second bellows left end welded fastening has the second connector, the second flange has been cup jointed in the second connector outside, first flange and second flange contact each other to it is fixed through the bolt installation, the guard box has been cup jointed in the first connector and the second connector outside. This stainless steel corrugated pipe stress corrosion protector through inlaying in the through-hole of guard box both sides has the inflatable packer, and the inflatable packer extrudees the connector outside firmly under the state that is full of gas to make guard box and external being in the separation state, and then can prevent that the external air current that flows from producing stress to the junction of bellows, and then can improve the life of bellows.

Description

Stainless steel corrugated pipe stress corrosion protection device

Technical Field

The utility model relates to a bellows part technical field specifically is a stainless steel bellows stress corrosion protector.

Background

The stainless steel corrugated pipe is installed in a liquid conveying system as a flexible pressure-resistant pipe fitting, is used for compensating mutual displacement of a pipeline or machine and equipment connecting ends, absorbs vibration energy, can play roles in vibration reduction, noise reduction and the like, and has the characteristics of good flexibility, light weight, corrosion resistance, fatigue resistance, high and low temperature resistance and the like. Traditional stainless steel corrugated pipe protection device can not effectually prevent that the air current that flows from producing stress to the stainless steel corrugated pipe junction when using to reduced the life of bellows, traditional stainless steel corrugated pipe protection device can not effectually absorb the steam in the inner chamber moreover, thereby make the long-time moist environment that is in of bellows connecting piece, and then reduced the service quality of connecting piece.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stainless steel corrugated pipe stress corrosion protector to solve current technical defect and the technical requirement that can not reach.

In order to achieve the above object, the utility model provides a following technical scheme: a stainless steel corrugated pipe stress corrosion protection device comprises a first corrugated pipe and a second corrugated pipe, the first corrugated pipe is arranged on the left side of the second corrugated pipe, a first connecting head is fixedly welded at the right end of the first corrugated pipe, a first flange is sleeved outside the first connector, a second connector is welded and fixed at the left end of the second corrugated pipe, a second flange is sleeved outside the second connector, the first flange is contacted with the second flange, and is fixed by bolts, the outer sides of the first connector and the second connector are sleeved with a protective box, a sealing plate is arranged in a through hole arranged on the outer surface of the protective box, an inflating nozzle is embedded at the bottom of the through hole, the protective box is characterized in that a connecting pipe is arranged inside the outer wall of the protective box, through holes are formed in two sides of the protective box, an inflatable cushion is embedded in the through holes, and a silica gel plate is arranged on the inner wall of the protective box through bolts.

As an optimized implementation mode of the utility model, the two ends of the connecting pipe are respectively embedded and fixed with the inflatable cushion, and the inflating nozzle passes through the outer wall of the protective box and is communicated with the connecting pipe.

As a preferred embodiment of the present invention, the protection box is a circular structure, and the silica gel plate is distributed in an annular shape in the inner cavity of the protection box.

As a preferred embodiment of the present invention, the first bellows and the second bellows are internally hollow, and the first bellows and the second bellows are internally provided with hoses.

As a preferred embodiment of the present invention, the sealing plate is threaded on the outside, and the sealing plate is connected to the through hole by means of the thread.

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

1. compared with the traditional stainless steel corrugated pipe stress corrosion protection device, the improved stainless steel corrugated pipe stress corrosion protection device is embedded with the inflatable cushion in the through holes on two sides of the protection box, the inflatable cushion is firmly extruded outside the connector in a full-air state, so that the protection box is in a separation state with the outside, the stress of the external flowing air flow on the joint of the corrugated pipe can be prevented, and the service life of the corrugated pipe can be prolonged.

2. Compare with a traditional corrugated stainless steel pipe stress corrosion protector, a corrugated stainless steel pipe stress corrosion protector after the improvement installs the silica gel board at the protective housing inner wall through the bolt, and the silica gel board can absorb the moisture in the protective housing inner chamber to play dry effect to the protective housing is inside, prevent that the connector surface from rustting, thereby do benefit to the save of connector.

Drawings

FIG. 1 is a schematic structural view of a stainless steel corrugated pipe stress corrosion protection device of the present invention;

fig. 2 is the internal structure schematic diagram of the stainless steel corrugated pipe stress corrosion protection device of the present invention.

In the figure: the device comprises a first corrugated pipe-1, a second corrugated pipe-2, a protective box-3, a first connector-4, a second connector-5, a sealing plate-6, an inflatable cushion-7, a silica gel plate-8, a first flange-9, a second flange-10, a connecting pipe-11 and an inflating nozzle-12.

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, the present invention provides a technical solution: a stainless steel corrugated pipe stress corrosion protection device comprises a first corrugated pipe 1 and a second corrugated pipe 2, wherein the first corrugated pipe 1 is arranged on the left side of the second corrugated pipe 2, a first connector 4 is welded and fixed to the right end of the first corrugated pipe 1, a first flange 9 is sleeved and fixed to the outer side of the first connector 4, a second connector 5 is welded and fixed to the left end of the second corrugated pipe 2, a second flange 10 is sleeved and fixed to the outer side of the second connector 5, the first flange 9 and the second flange 10 are in mutual contact and are fixedly installed through bolts, a protection box 3 is sleeved and connected to the outer sides of the first connector 4 and the second connector 5, a sealing plate 6 is installed in a through hole formed in the outer side surface of the protection box 3, an inflating nozzle 12 is installed at the bottom of the through hole through embedding, a connecting pipe 11 is installed inside the outer wall of the protection box 3, through holes are formed in two, an inflatable cushion 7 is embedded in the through hole, and a silica gel plate 8 is installed on the inner wall of the protection box 3 through bolts.

Referring to fig. 2, two ends of the connecting pipe 11 are respectively fixed to the inflatable cushion 7 in an embedded manner, the inflating nozzle 12 passes through the outer wall of the protection box 3 and is communicated with the connecting pipe 11, and the external inflating mechanism is connected with the inflating nozzle 12, so that the inside of the inflatable cushion 7 is inflated to expand and is in close contact with the outer side wall of the connector, and the inner cavity of the protection box 3 is separated from the outside.

Referring to fig. 2, the protection box 3 is a circular structure, the silica gel plate 8 is annularly distributed in the inner cavity of the protection box 3, and the silica gel plate 8 absorbs water vapor in the gas in the environment of the inner cavity of the protection box 3, so that the inner cavity of the protection box 3 is in a dry environment, which is beneficial to storing the connectors.

Referring to fig. 1, the first bellows 1 and the second bellows 2 are hollow, and hoses are disposed inside the first bellows 1 and the second bellows 2 to guide gas and liquid.

Referring to fig. 1, the outer side of the sealing plate 6 is provided with a thread, and the sealing plate 6 is connected with the through hole in a matching manner through the thread, so that the inside of the through hole is in a sealed environment, the gas inside the inflatable cushion 7 is prevented from overflowing from the inflating nozzle 12 through the connecting pipe 11, and the service life of the inflatable cushion 7 is prolonged.

The utility model discloses a first bellows 1, second bellows 2, guard box 3, first connector 4, second connector 5, closing plate 6, inflatable packer 7, silica gel plate 8, first flange 9, second flange 10, connecting pipe 11, charging connector 12, above-mentioned part are the parts that general standard spare or technical personnel in the field know, and its structure and principle all are this technical personnel all can learn through the technical manual or learn through conventional experimental approach, the utility model provides a problem install the guard box in the outside of bellows junction, the utility model discloses a mutually make up of above-mentioned parts, can effectually reduce external mobile air current and cause the influence to the connector, and the silica gel plate of guard box inboard installation can effectually absorb it to making in the guard box inner chamber to do benefit to the save of connector.

The working principle is as follows: firstly, the protection box 3 is sleeved outside the first corrugated pipe 1, then the second connector 5 at the left end of the second corrugated pipe 2 is moved, so that the second flange 10 at the outer side of the second connector 5 is contacted with the first flange 9 at the outer side of the first connector 4 and is screwed up by a bolt, then the protection box 3 is moved, so that the left side and the right side of the protection box 3 are respectively contacted with the outer sides of the first connector 4 and the second connector 5, after the sealing plate 6 is opened, external inflation equipment is connected with the inflation nozzle 12, then the interior of the inflatable cushion 7 is inflated to expand, further the interior of the protection box 3 is separated from the outside, and the influence of external flowing air flow on a connecting piece is prevented; and 8 of guard box 3 inner wall installation can effectually absorb the steam in the 3 inner chambers of guard box to prevent that moisture from causing the influence to the use of connecting piece.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a stainless steel bellows stress corrosion protector, includes first bellows (1) and second bellows (2), its characterized in that: the corrugated pipe structure is characterized in that the left side of a second corrugated pipe (2) is arranged in the first corrugated pipe (1), a first connector (4) is welded and fixed at the right end of the first corrugated pipe (1), a first flange (9) is sleeved at the outer side of the first connector (4), a second connector (5) is welded and fixed at the left end of the second corrugated pipe (2), a second flange (10) is sleeved at the outer side of the second connector (5), the first flange (9) is in mutual contact with the second flange (10) and is fixedly installed through bolts, a protection box (3) is sleeved at the outer sides of the first connector (4) and the second connector (5), a sealing plate (6) is installed in a through hole formed in the surface of the outer side of the protection box (3), an inflating nozzle (12) is installed at the bottom of the through hole through embedding, a connecting pipe (11) is installed inside the outer wall of the protection box (3), through holes are formed in the, an inflatable cushion (7) is embedded in the through hole, and a silica gel plate (8) is installed on the inner wall of the protection box (3) through bolts.

2. A corrugated stainless steel pipe stress corrosion protection device as claimed in claim 1, wherein: the two ends of the connecting pipe (11) are respectively embedded and fixed with the inflatable cushion (7), and the inflating nozzle (12) penetrates through the outer wall of the protection box (3) and is communicated with the connecting pipe (11).

3. A corrugated stainless steel pipe stress corrosion protection device as claimed in claim 1, wherein: the protective box (3) is of a circular structure, and the silica gel plate (8) is annularly distributed in the inner cavity of the protective box (3).

4. A corrugated stainless steel pipe stress corrosion protection device as claimed in claim 1, wherein: the first corrugated pipe (1) and the second corrugated pipe (2) are of hollow structures, and hoses are arranged inside the first corrugated pipe (1) and the second corrugated pipe (2).

5. A corrugated stainless steel pipe stress corrosion protection device as claimed in claim 1, wherein: the outer side of the sealing plate (6) is provided with threads, and the sealing plate (6) is connected with the through hole in a matching mode through the threads.