CN217108359U

CN217108359U - Pressure relief device for pressure pipeline

Info

Publication number: CN217108359U
Application number: CN202220797582.0U
Authority: CN
Inventors: 王占辛; 李会民; 王江波; 王妍聪; 杨柳
Original assignee: Henan Duanyu Construction Engineering Co ltd
Current assignee: Henan Duanyu Construction Engineering Co ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-08-02
Anticipated expiration: 2032-04-08

Abstract

The utility model discloses a pressure pipeline pressure relief device, the pipe fitting comprises a pipe fitting, run through on the pipe fitting and be equipped with the screwed pipe, demountable installation has plectane and closing plate in the screwed pipe, the closing plate is located the lower extreme of plectane, slidable mounting has the sleeve pipe between plectane and the closing plate, run through on the sleeve pipe and be equipped with the pipe, the upper end of pipe is fixed with the roof, the roof is located the upper end of plectane, be fixed with the spring jointly between roof and the closing plate, the both sides of screwed pipe all are equipped with the second opening, the sheathed tube both sides all are equipped with the third opening, and two third openings all are located second open-ended lower extremes, be equipped with two first openings on the pipe. The utility model discloses can carry out the pressure release through two steps to deal with the condition that pressure rises gradually and pressure rises suddenly respectively, the practicality and the suitability of promotion product that can be fine are convenient for let out too big pressure in the pipeline fast, guarantee pipeline transportation material's security and stability.

Description

Pressure relief device for pressure pipeline

Technical Field

The utility model relates to a pipeline pressure release technical field especially relates to a pressure pipeline pressure relief device.

Background

Piping is used to transport, distribute, mix, separate, discharge, meter, control and stop the flow of fluids and is an assembly of pipes, tubes, flanges, bolted connections, gaskets, valves, other components or pressure parts and supports.

Pipeline under pressure generally is used for carrying the material, but the condition such as fried pipe appears easily when pressure is too big in it, be unfavorable for guaranteeing the security of using, current mode generally all is regularly arranged through the installation pressure relief valve and presses, thereby guarantee pressure stability in it, but need the continuous supervision of staff like this, be unfavorable for arranging fast and press, and simultaneously, the operation is pressed according to the in time quick row of actual conditions that can not be fine, for this reason, we have proposed a pipeline under pressure relief device and have solved above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a pressure pipeline pressure relief device.

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

the utility model provides a pressure pipeline pressure relief device, includes the pipe fitting, it is equipped with the screwed pipe to run through on the pipe fitting, demountable installation has plectane and closing plate in the screwed pipe, the closing plate is located the lower extreme of plectane, slidable mounting has the sleeve pipe between plectane and the closing plate, it is equipped with the pipe to run through on the sleeve pipe, the upper end of pipe is fixed with the roof, the roof is located the upper end of plectane, be fixed with the spring jointly between roof and the closing plate, the both sides of screwed pipe all are equipped with the second opening, sheathed tube both sides all are equipped with the third opening, and two third openings all are located second open-ended lower extreme, be equipped with two first openings on the pipe, two first openings all are located the cover.

Preferably, in order to ensure the firmness and stability of installation and facilitate the normal operation of the component, the threaded pipe is screwed with a threaded sleeve, the threaded sleeve is provided with a fourth opening, two sliding rods are fixed at the bottom inside the threaded sleeve, the circular plate and the sealing plate are both fixedly installed on the two sliding rods, and the sealing plate is provided with two fifth openings.

Preferably, in order to guarantee the sealing effect and enable the sleeve to well bear pressure and move, the sleeve is slidably mounted on the two sliding rods, two second sealing gaskets are fixed on the sliding rods, and the two second sealing gaskets are respectively abutted to the sleeve.

Preferably, in order to further ensure the sealing effect and avoid the pressure relief during normal operation, the opposite sides of the top plate and the circular plate are respectively provided with a first sealing gasket.

Preferably, the third opening is longer than the second opening in order to allow rapid pressure relief when the pressure rises suddenly.

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

1. the top plate and the circular plate can be well sealed through the spring, when the internal pressure is too high, the top plate and the sleeve pipe are pushed to rise, the third opening and the second opening correspond to each other firstly, so that preliminary pressure relief is facilitated, and when the internal pressure exceeds a threshold value and is small, the pressure relief can be well and quickly carried out;

2. when the internal pressure is suddenly overlarge, the sleeve drives the circular tube and the top plate to quickly rise, so that the third opening and the second opening are aligned, the first opening can extend out of the first sealing gasket, the efficiency and the speed of pressure relief are improved conveniently, and the pressure relief is carried out efficiently;

to sum up, the utility model discloses can carry out the pressure release through two steps to the condition that responds to pressure gradual rise and pressure sudden rise respectively, too big pressure in the pipeline is convenient for let out fast to practicality and the suitability of promotion product that can be fine, guarantees the security and the stability of pipe-line transportation material.

Drawings

Fig. 1 is a connection structure diagram of a pressure pipe relief device according to the present invention;

fig. 2 is an enlarged view of a pressure relief device of a pressure pipeline according to the present invention at a position a;

fig. 3 is a structural diagram of a threaded pipe and a threaded sleeve of the pressure relief device for a pressure pipeline according to the present invention;

in the figure: the sealing structure comprises a threaded sleeve 1, a threaded pipe 2, a sliding rod 3, a pipe 4, a first opening 5, a sleeve 6, a spring 7, a round pipe 8, a top plate 9, a first sealing gasket 10, a round plate 11, a second opening 12, a third opening 13, a second sealing gasket 14, a fourth opening 15, a sealing plate 16 and a fifth opening 17.

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.

Referring to fig. 1-3, a pressure pipeline pressure relief device, including pipe fitting 4, the pipe fitting 4 is last to run through and is equipped with screwed pipe 2, demountable installation has plectane 11 and closing plate 16 in the screwed pipe 2, the spiral shell pipe 2 is gone up to the spiral shell pipe 1 of having screwed, it can be fine to rotate the spiral shell pipe 1 and make the spiral shell pipe 1 spiral shell pipe on the screwed pipe 2, can be fine fix, the fourth opening 15 has been seted up on the spiral shell pipe 1, it overflows through the fourth opening 15 to be convenient for pressure, the bottom in the spiral shell pipe 1 is fixed with two slide bars 3, plectane 11 and closing plate 16 are all fixed mounting on two slide bars 3, two fifth openings 17 have been seted up on the closing plate 16, can be fine assurance closing plate 16 and the stability of plectane 11 position through two slide bars 3, the assembly of the part of being convenient for, and conveniently dismantle.

In the utility model, the sealing plate 16 is arranged at the lower end of the circular plate 11, the sleeve 6 is arranged between the circular plate 11 and the sealing plate 16 in a sliding way, the sleeve 6 can go up and down, the sleeve 6 can adapt to the ascending and descending of the sleeve along with the pressure change, the circular pipe 8 is arranged on the sleeve 6 in a penetrating way, the sleeve 6 can go up and down well to drive the circular pipe 8 to go up and down well, the top plate 9 is fixed at the upper end of the circular pipe 8, the lifting and descending of the circular pipe 8 can well push the top plate 9 to go up and down, the top plate 9 is arranged at the upper end of the circular plate 11, the spring 7 is jointly fixed between the top plate 9 and the sealing plate 16, the stability between the top plate 9 and the sealing plate 16 can be well ensured through the spring 7, only when the pressure in the pipeline is increased, the top plate 9 can pull the spring 7 to make the sleeve 6 go up, the two sides of the threaded pipe 2 are both provided with the second openings 12, the two sides of the sleeve 6 are both provided with the third openings 13, the two third openings 13 are arranged at the lower ends of the second openings 12, the length of the third opening 13 is larger than that of the second opening 12, and when the pressure in the pipeline rises to a small extent, the third opening 13 can be overlapped with the second opening 12, so that pressure relief is facilitated.

The utility model discloses in, be equipped with two first openings 5 on the pipe 8, two first openings 5 all are located sleeve pipe 6, and when the intraductal pressure was too big, except that third opening 13 continues to rise, but the pressure release range is unchangeable, first opening 5 also can rise and shift out plectane 11, comprehensive pressure release.

The utility model discloses in, 6 slidable mounting of sleeve pipe are on two slide bars 3, are fixed with two sealed pads 14 of second on the slide bar 3, and two sealed pads 14 of second are inconsistent with sleeve pipe 6 respectively, and the assurance that can be fine is sealed, and when pressure is normal, guarantees the leakproofness, avoids appearing the condition of leaking.

In the present invention, the first sealing gasket 10 is installed on the opposite side of the top plate 9 and the circular plate 11, respectively, and is effectively sealed.

The utility model discloses in, during the use, when 4 internal pressures of pipe fitting rise slowly, pressure can get into in the screwed pipe 2 through fifth opening 17, can promote sleeve pipe 6 and roof 9 well and rise, enable spring 7 by tensile, when spring 7 is by tensile, third opening 13 and second opening 12 correspond and are convenient for quick preliminary pressure release, make the pressure recovery in the pipe fitting 4 stable, when its internal pressure sharply rises fast, can promote sleeve pipe 6 well, pipe 8, roof 9 rises fast, it corresponds to enable third opening 13 and second opening 12, and make first opening 5 extend plectane 11, conveniently through fourth opening 15, second opening 12, third opening 13, first opening 5's cooperation pressure release fast, promote the efficiency and the quality of pressure release.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A pressure pipeline pressure relief device comprises a pipe fitting (4), and is characterized in that: the pipe fitting (4) is provided with a threaded pipe (2) in a penetrating manner, a circular plate (11) and a sealing plate (16) are detachably mounted in the threaded pipe (2), the sealing plate (16) is located at the lower end of the circular plate (11), a sleeve (6) is slidably mounted between the circular plate (11) and the sealing plate (16), a circular pipe (8) is arranged on the sleeve (6) in a penetrating manner, a top plate (9) is fixed at the upper end of the circular pipe (8), the top plate (9) is located at the upper end of the circular plate (11), a spring (7) is jointly fixed between the top plate (9) and the sealing plate (16), second openings (12) are arranged on two sides of the threaded pipe (2), third openings (13) are arranged on two sides of the sleeve (6), the two third openings (13) are located at the lower end of the second opening (12), and two first openings (5) are arranged on the circular pipe (8), both first openings (5) are located in the sleeve (6).

2. A pressure pipe pressure relief device as claimed in claim 1 wherein: the threaded pipe (2) is screwed with a threaded sleeve (1), the threaded sleeve (1) is provided with a fourth opening (15), two sliding rods (3) are fixed at the bottom in the threaded sleeve (1), a circular plate (11) and a sealing plate (16) are fixedly mounted on the two sliding rods (3), and the sealing plate (16) is provided with two fifth openings (17).

3. A pressure pipe pressure relief device as claimed in claim 1 wherein: the sleeve (6) is slidably mounted on the two sliding rods (3), two second sealing gaskets (14) are fixed on the sliding rods (3), and the two second sealing gaskets (14) are respectively abutted to the sleeve (6).

4. A pressure pipe pressure relief device as claimed in claim 1 wherein: and a first sealing gasket (10) is respectively arranged on one opposite side of the top plate (9) and one opposite side of the circular plate (11).

5. A pressure pipe pressure relief device as claimed in claim 1 wherein: the third opening (13) is longer than the second opening (12).