CN209959960U

CN209959960U - Liquefied gas safety valve convenient to dismantle

Info

Publication number: CN209959960U
Application number: CN201920568088.5U
Authority: CN
Inventors: 黄爱玲; 王建国
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2020-01-17
Anticipated expiration: 2029-04-24

Abstract

The utility model discloses a liquefied gas safety valve convenient to dismantle, including liquefied gas safety valve main part, the fluid inlet includes first fixed tube, connecting pipe and second fixed tube, first fixed tube includes first passage pipe, the first passage pipe is kept away from liquefied gas safety valve main part one side and is provided with first installation section of thick bamboo, the one end that first installation section of thick bamboo was kept away from first passage pipe is seted up flutedly, the inside of recess is fixed with the first sealed pad, the connecting pipe includes the sleeve, the one end that second passage pipe is close to first fixed tube is provided with the second installation section of thick bamboo, and the one end that second installation section of thick bamboo is close to first fixed tube is fixed with the protruding circle, the protruding circle inserts the inside of recess, the utility model discloses set up first fixed tube, connecting pipe and second fixed tube, connect through the screw thread rotation between the three pipeline, so when the dismouting, the dismouting is comparatively convenient, has set up the recess that has sealed pad on first fixed pipe, can make the leakproofness of this device better.

Description

Liquefied gas safety valve convenient to dismantle

Technical Field

The utility model relates to a relief valve technical field specifically is a liquefied gas relief valve convenient to dismantle.

Background

The safety valve of liquefied gas safety valve is of two types, spring type and rod type. In addition, a momentum safety valve, a pilot operated safety valve, a safety switching valve, a safety relief valve, a dead weight safety valve and the like are arranged;

no matter which kind of liquefied gas's relief valve, its mounting means is the ring flange installation, and the liquefied gas relief valve overall structure of ring flange installation is shown in figure 4, and its dismouting is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liquefied gas relief valve convenient to dismantle aims at improving the inconvenient problem of liquefied gas relief valve dismouting of current ring flange installation.

The utility model discloses a realize like this:

a liquefied gas safety valve convenient to disassemble comprises a liquefied gas safety valve main body, wherein a fluid outlet is formed in the lower end of the liquefied gas safety valve main body, a fluid inlet is formed in one side of the liquefied gas safety valve main body and comprises a first fixing pipe, a connecting pipe and a second fixing pipe, the first fixing pipe comprises a first channel pipe, a first mounting cylinder is arranged on one side, away from the liquefied gas safety valve main body, of the first channel pipe, a groove is formed in one end, away from the first channel pipe, of the first mounting cylinder, a first sealing gasket is fixed inside the groove, the connecting pipe comprises a sleeve, the first mounting cylinder is inserted into the sleeve, second sealing gaskets are fixed at two ends of the sleeve, the second fixing pipe comprises a second channel pipe, and a second mounting cylinder is arranged at one end, close to the first fixing pipe, of the second channel pipe, and the one end that the second installation section of thick bamboo is close to first fixed pipe is fixed with the protruding circle, the inside of the second installation section of thick bamboo insertion sleeve, the inside of protruding circle insertion groove.

Furthermore, a first external thread is arranged on the outer portion of the circumference of the first installation cylinder, a second external thread is arranged on the outer portion of the circumference of the second installation cylinder, and an internal thread is arranged inside the sleeve.

Furthermore, the first installation cylinder is rotatably connected with the sleeve through threads, and the second installation cylinder is rotatably connected with the sleeve through threads.

Furthermore, the upper surface of the sleeve is provided with a rotating handle which is T-shaped.

Furthermore, one end, far away from the second installation cylinder, of the second channel pipe is provided with a flange plate, a third sealing gasket is fixed on one side, far away from the second channel pipe, of the flange plate, and mounting holes are formed in the third sealing gasket and the flange plate.

Compared with the prior art, the beneficial effects of the utility model are that: 1. the utility model is provided with the first fixed pipe, the connecting pipe and the second fixed pipe, and the three pipes are rotationally connected through the screw thread, so that the disassembly and the assembly can be realized only through rotation, and the disassembly and the assembly are more convenient;

2. the groove with the sealing gasket is formed in the first fixing pipe, the protruding ring matched with the groove is formed in the second fixing pipe, the protruding ring is inserted into the groove and then matched with the sealing gasket, and therefore the sealing performance of the device is good.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is an exploded view of the present invention;

FIG. 2 is a schematic structural view of the groove and the protruding ring of the present invention;

FIG. 3 is an overall assembly view of the present invention;

fig. 4 is a prior art liquefied gas safety valve.

In the figure: 1. a liquefied gas safety valve main body; 2. a fluid outlet; 3. a fluid inlet; 31. a first stationary tube; 311. a first passage tube; 312. a first external thread; 313. a first mounting cylinder; 314. a groove; 315. a first gasket; 32. a connecting pipe; 321. a sleeve; 322. turning a handle; 323. a second gasket; 324. an internal thread; 33. a second stationary tube; 331. a second mounting cylinder; 332. a protruding ring; 333. a second external thread; 334. a second channel pipe; 335. a third gasket; 336. a flange plate.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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 and 3, a conveniently detachable liquefied gas safety valve includes a liquefied gas safety valve main body 1, a fluid outlet 2 is provided at a lower end of the liquefied gas safety valve main body 1, a fluid inlet 3 is provided at one side of the liquefied gas safety valve main body 1, the fluid outlet 2 has the same structure as the fluid inlet 3, and only the structure of the fluid inlet 3 is described herein for convenience of description;

referring to fig. 1, the fluid inlet 3 includes a first fixing pipe 31, a connecting pipe 32 and a second fixing pipe 33, the first fixing pipe 31 is a pipe directly fixed to the liquefied gas safety valve body 1 and is not detachable, the connecting pipe 32 is used to connect the first fixing pipe 31 and the second fixing pipe 33, the connecting pipe 32 is detachable, and the second fixing pipe 33 is connected to a liquefied gas delivery pipe and is detachable only by detaching a flange 336 from the pipe;

referring to fig. 1 and 2, the first fixed pipe 31 includes a first passage pipe 311, a first installation cylinder 313 is disposed on one side of the first passage pipe 311 away from the liquefied gas safety valve main body 1, a groove 314 is formed in one end of the first installation cylinder 313 away from the first passage pipe 311, a first sealing gasket 315 is fixed inside the groove 314, the second fixed pipe 33 includes a second passage pipe 334, a second installation cylinder 331 is disposed at one end of the second passage pipe 334 close to the first fixed pipe 31, the second installation cylinder 331 and the first installation cylinder 313 are used for inserting the connection pipe 32 to achieve connection, a protruding ring 332 is fixed at one end of the second installation cylinder 331 close to the first fixed pipe 31, the second installation cylinder 331 is inserted into the sleeve 321, the protruding ring 332 is inserted into the groove 314, and the protruding ring 332 is inserted into the groove 314 to seal the liquefied gas transported by the apparatus, so as to avoid liquefied gas leakage;

referring to fig. 1, a flange 336 is arranged at one end of the second channel pipe, which is far away from the second mounting cylinder, a third gasket 335 is fixed at one side of the flange 336, which is far away from the second channel pipe 334, mounting holes are formed in the third gasket 335 and the flange 336, and the third gasket 335 can prevent the flange 336 from leaking from the transportation pipeline;

referring to fig. 1 and 3, the connection pipe 32 includes a sleeve 321, a rotating handle 322 is mounted on the upper surface of the sleeve 321, the rotating handle 322 is T-shaped, the first mounting cylinder 313 is inserted into the sleeve 321, the second sealing gaskets 323 are fixed on both ends of the sleeve 321, and the sleeve 321 is rotated by rotating the rotating handle 322, so that the first fixing pipe 31 can be detached from the inside of the connection pipe 32;

referring to fig. 1, a first external thread 312 is arranged on the circumferential exterior of the first mounting cylinder 313, a second external thread 333 is arranged on the circumferential exterior of the second mounting cylinder 331, an internal thread 324 is arranged inside the sleeve 321, the first mounting cylinder 313 is rotatably connected with the sleeve 321 through a thread, and the second mounting cylinder 331 is rotatably connected with the sleeve 321 through a thread, and the thread connection can be realized only by rotation.

The working principle is as follows: when the device is installed, the flange plate 336 needs to be connected with a liquefied gas conveying pipeline through bolts, so that the liquefied gas can enter the interior of the liquefied gas safety valve main body 1 through the second fixing pipe 33 and the first fixing pipe 31;

when liquefied gas safety valve main part 1 needs to be dismantled, through rotating handle 322, can make internal thread 324 and first external screw thread 312 and second external screw thread 333 produce the screw thread power, the screw thread power can make first installation section of thick bamboo 313 and second installation section of thick bamboo 331 break away from connecting pipe 32, make the dismantlement of this device comparatively convenient, and the same is said, when liquefied gas safety valve main part 1 needs to be installed, only need rotate handle 322, make first external screw thread 312 and second external screw thread 333 and internal thread 324 produce reverse direction power, and then lock first installation section of thick bamboo 313 and second installation section of thick bamboo 331 in the inside of connecting pipe 32, until protruding circle 332 inserts the inside of recess 314, first sealed pad 315 at this moment plays the sealing effect, and second sealed pad 323 plays the secondary seal effect.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A liquefied gas safety valve convenient to dismantle, includes liquefied gas safety valve main part (1), the lower extreme of liquefied gas safety valve main part (1) is provided with fluid outlet (2), one side of liquefied gas safety valve main part (1) is provided with fluid inlet (3), its characterized in that: the fluid inlet (3) comprises a first fixed pipe (31), a connecting pipe (32) and a second fixed pipe (33), the first fixed pipe (31) comprises a first channel pipe (311), one side, far away from the liquefied gas safety valve main body (1), of the first channel pipe (311) is provided with a first installation cylinder (313), one end, far away from the first channel pipe (311), of the first installation cylinder (313) is provided with a groove (314), a first sealing gasket (315) is fixed inside the groove (314), the connecting pipe (32) comprises a sleeve (321), the first installation cylinder (313) is inserted into the sleeve (321), the two ends of the sleeve (321) are both fixed with second sealing gaskets (323), the second fixed pipe (33) comprises a second channel pipe (334), one end, close to the first fixed pipe (31), of the second channel pipe (334) is provided with a second installation cylinder (331), and one end of the second mounting cylinder (331) close to the first fixing pipe (31) is fixed with a protruding ring (332), the second mounting cylinder (331) is inserted into the sleeve (321), and the protruding ring (332) is inserted into the groove (314).

2. A liquefied gas safety valve easy to disassemble according to claim 1, wherein the first mounting cylinder (313) is provided with a first external thread (312) at the outer circumference, the second mounting cylinder (331) is provided with a second external thread (333) at the outer circumference, and the sleeve (321) is provided with an internal thread (324) at the inner part.

3. A liquefied gas safety valve easy to disassemble as claimed in claim 1 or 2, wherein the first mounting cylinder (313) is rotatably connected with the sleeve (321) by screw thread, and the second mounting cylinder (331) is rotatably connected with the sleeve (321) by screw thread.

4. A liquefied gas safety valve easy to detach as claimed in claim 1, wherein a turn handle (322) is installed on an upper surface of the sleeve (321), and the turn handle (322) is T-shaped.

5. A liquefied gas safety valve convenient to disassemble as claimed in claim 1, wherein a flange (336) is arranged at one end of the second passage pipe (334) far away from the second mounting cylinder (331), a third sealing gasket (335) is fixed at one side of the flange (336) far away from the second passage pipe (334), and mounting holes are formed in the third sealing gasket (335) and the flange (336).