Explosion-proof valve convenient to overhaul

Abstract

The anti-explosion valve convenient to overhaul comprises an anti-explosion shell, and a water passing inner cavity used for installing an anti-explosion assembly is formed in the anti-explosion shell. A water inlet and a water outlet are formed in the two axial ends of the water passing inner cavity respectively; the water outlet is formed in a water outlet end cover, and the water outlet end cover is detachably connected with the explosion-proof shell through threads; when the water outlet end cover is taken down, the anti-explosion assembly can be taken out or placed in from the formed opening of the anti-explosion shell. Compared with the prior art, the detachable water outlet end cover is arranged on the water outlet side of the anti-explosion shell, after the water outlet end cover is detached, the anti-explosion assembly can be taken out for maintenance and replacement, the service life of the anti-explosion valve can be prolonged, and the trouble that when the anti-explosion shell cannot be detached, a wall needs to be smashed to detach the water supply connector is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of explosion-proof valve, specifically relates to an explosion-proof valve convenient to overhaul. BACKGROUND

[0002] The explosion-proof valve is installed between the angle valve (valve body) and the water supply pipeline interface, and is used for automatically and timely plugging water when the angle valve is broken, so as to avoid water flooding loss caused by not timely discovery.

[0003] After the explosion-proof valve is used for a long time, some dirt will deposit on the water passing inner cavity in the explosion-proof valve and the explosion-proof assembly in the water passing inner cavity, which affects the timely function of the explosion-proof assembly. After the explosion-proof valve is installed, it needs to be disassembled and cleaned as a whole, and the explosion-proof valve and the water supply pipeline interface are firmly bonded, which is difficult to disassemble. Therefore, it is difficult to clean and maintain the explosion-proof valve.

[0004] Therefore, the present application is produced in view of the above-mentioned defects in the prior art. UTILITY MODEL CONTENTS

[0005] The main purpose of the utility model is to provide an explosion-proof valve convenient to overhaul, which has the characteristics of convenient cleaning and maintenance of the internal components of the explosion-proof valve, and is beneficial to prolong the service life and accuracy of the explosion-proof valve.

[0006] In order to achieve the above purpose, the solution of the utility model is as follows:

[0007] An explosion-proof valve convenient to overhaul, comprising an explosion-proof shell, a water passing inner cavity for installing an explosion-proof assembly is arranged in the explosion-proof shell; a water inlet and a water outlet are arranged at the axial two ends of the water passing inner cavity respectively; the water outlet is formed on a water outlet end cover, the water outlet end cover is detachably connected with the explosion-proof shell through threads; when the water outlet end cover is removed, the explosion-proof assembly can be taken out or placed into the opening of the explosion-proof shell.

[0008] Further, one side of the water outlet end cover towards the explosion-proof assembly is provided with a water passing hole for cooperating with the explosion-proof assembly; the water outlet is located outside the water passing hole; a spanner hole for connecting a spanner is formed in the water outlet.

[0009] Further, the spanner hole is an internal hexagonal hole.

[0010] Further, the explosion-proof assembly comprises a movable core and a spring, one end of the spring abuts on the end face of the water outlet end cover outside the periphery of the water passing hole, and the other end of the spring abuts on the movable core from the water outlet direction to the water inlet direction; the movable core can move back and forth in the water passing inner cavity to block or open the water passing hole with the change of water pressure.

[0011] Further, the outer periphery of the water outlet end cover has an outer edge abutting against the end face of the explosion-proof shell.

[0012] Further, a first outer thread is formed on the water outlet end cover, and a first inner thread connected with the first outer thread is formed on the inner side of the explosion-proof shell; a first sealing ring is arranged between the first outer thread and the first inner thread.

[0013] Further, the water inlet is formed on a water inlet end cover, and the water inlet end cover is detachably connected with the explosion-proof shell through threads.

[0014] Further, the explosion-proof shell is sealingly and fixedly installed in a water supply pipeline interface, and the water outlet of the explosion-proof shell is outwardly arranged.

[0015] After the above structure is adopted, the explosion-proof valve convenient to overhaul has at least the following beneficial effects:

[0016] Firstly, the water outlet end cover detachably connected with the explosion-proof shell is arranged, and the explosion-proof shell is fixedly installed in a water supply joint. When cleaning is needed, the water outlet end cover is detached, the explosion-proof assembly is removed, and the explosion-proof assembly is cleaned or replaced. Then, the water outlet end cover is installed back to complete the overhaul and maintenance. The explosion-proof shell does not need to be disassembled, and the overhaul is very convenient.

[0017] Secondly, the first sealing ring seals the gap between the water outlet end cover and the explosion-proof shell, and reduces the water leakage risk.

[0018] Compared with the prior art, the explosion-proof valve convenient to overhaul has at least the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a sectional view structure schematic diagram of the explosion-proof valve convenient to overhaul.

[0020] Figure 2 It is a three-dimensional structure schematic diagram of the explosion-proof valve convenient to overhaul.

[0021] Figure 3 It is an exploded structure schematic diagram of the explosion-proof valve convenient to overhaul.

[0022] Figure 4 It is a three-dimensional structure schematic diagram of the explosion-proof valve installed in the water supply pipeline.

[0023] Figure 5 It is a use state structure schematic diagram of the explosion-proof valve convenient to overhaul.

[0024] In the figure:

[0025] Explosion-proof housing 1; First internal thread 10; Water passing cavity 11; Water inlet end cover 2; Water inlet 21; Water outlet end cover 3; First external thread 30; First sealing ring 301; Water outlet 31; Water passing hole 32; Outer edge 33; Explosion-proof assembly 4; Movable core 41; Spring 42; Water supply pipeline 100. DETAILED DESCRIPTION

[0026] In order to further explain the technical scheme of the utility model, the utility model will be described in detail below through specific embodiments.

[0027] As Figures 1 to 5 shown, it is a kind of explosion-proof valve of the utility model for overhauling, including explosion-proof housing 1, the explosion-proof housing 1 inside is provided with the water passing cavity 11 for installing explosion-proof assembly 4;The water passing cavity 11 axial two ends are provided with water inlet 21 and water outlet 31 respectively;The water outlet 31 is formed on water outlet end cover 3, and the water outlet end cover 3 is detachably connected with the explosion-proof housing 1 by thread;When the water outlet end cover 3 is removed, the explosion-proof assembly 4 can be taken out or placed in the opening formed in the explosion-proof housing 1.

[0028] In this way, a kind of explosion-proof valve of the utility model for overhauling, by setting up the water outlet end cover 3 detachably connected with explosion-proof housing 1, the explosion-proof shell is fixedly installed in water supply connector.In need cleaning, water outlet end cover 3 is removed, explosion-proof assembly 4 is removed, explosion-proof assembly 4 is cleaned or replaced.After water outlet end cover 3 is installed back, maintenance can be completed. Without disassembling the entire explosion-proof housing 1, it is very convenient to overhaul. Preferably, the explosion-proof housing 1 is sealingly fixedly installed in the interface of water supply pipeline 100, and the water outlet 31 of the explosion-proof housing 1 is outwardly arranged.

[0029] Preferably, the side of the water outlet end cover 3 towards explosion-proof assembly 4 is provided with a water passing hole 32 for cooperating with explosion-proof assembly 4;The water outlet 31 is located on the outer side of water passing hole 32;The water outlet 31 is formed with a spanner hole for connecting spanner.More further, the spanner hole is hexagonal hole.By hexagonal spanner is placed into hexagonal hole, so that water outlet end cover 3 and the explosion-proof housing 1 are loosened or tightened.

[0030] Preferably, the explosion-proof assembly 4 comprises a movable core 41 and a spring 42, one end of the spring 42 abutting on the end face of the water outlet end cover 3 of the water passage outer periphery, the other end of the spring 42 abutting on the movable core 41 from the water outlet direction to the water inlet direction; the movable core 41 can move back and forth in the water passage inner cavity 11 to block or open the water passage 32. Since the spring 42 abuts on the end face of the water outlet end cover 3, after the water outlet end cover 3 is removed, the movable core 41 and the spring 42 can be taken out from the formed opening.

[0031] Preferably, the water outlet end cover 3 of the water outlet 31 outer periphery has an outer edge 33 abutting on the end face of the explosion-proof shell 1. Further, the water outlet end cover 3 is formed with a first outer thread 30, and the inner side of the explosion-proof shell 1 is formed with a first inner thread 10 connected with the first outer thread 30; a first sealing ring 301 is arranged between the first outer thread 30 and the first inner thread 10. The first sealing ring 301 seals the gap between the water outlet end cover 3 and the explosion-proof shell 1, reducing the risk of water leakage.

[0032] Preferably, the water inlet 21 is formed on the water inlet end cover 2, and the water inlet end cover 2 is detachably connected with the explosion-proof shell 1 by threads; when the water inlet end cover 2 is removed, the explosion-proof assembly 4 can be taken out or placed into the opening of the explosion-proof shell 1.

[0033] Compared with the prior art, the utility model discloses a detachable water outlet end cover 3 arranged on the water outlet side of the explosion-proof shell 1, and after the water outlet end cover 3 is removed, the explosion-proof assembly 4 can be taken out for maintenance and replacement, which is beneficial to prolong the service life of the explosion-proof valve and avoid the trouble of breaking the wall to remove the water supply connector when the explosion-proof shell 1 cannot be removed.

[0034] The above embodiments and drawings are not limited to the product shape and style of the utility model, and any ordinary skilled person in the art can make appropriate changes or modifications, which should be considered as not departing from the patent scope of the utility model.

Claims

1. An explosion relief valve which is easy to overhaul, characterized in that The explosion-proof shell is internally provided with a water passing cavity for mounting an explosion-proof assembly; the water passing cavity is respectively provided with a water inlet and a water outlet at two axial ends; the water outlet is formed on a water outlet end cover which is detachably connected with the explosion-proof shell through screw threads; when the water outlet end cover is removed, the explosion-proof assembly can be taken out or placed into the opening of the explosion-proof shell.

2. A relief valve for facilitating maintenance, as set forth in claim 1, wherein, A water passing hole for cooperating with the explosion-proof assembly is formed on the side of the water outlet end cover facing the explosion-proof assembly; the water outlet is located outside the water passing hole; a spanner hole for connecting a spanner is formed in the water outlet.

3. A relief valve for facilitating maintenance, as set forth in claim 2, wherein, The spanner hole is an internal hexagonal hole.

4. A relief valve for facilitating maintenance as defined in claim 2, wherein The explosion-proof assembly comprises a movable core and a spring; one end of the spring abuts against the end face of the water outlet end cover on the outer periphery of the water passing hole, and the other end of the spring abuts against the movable core from the water outlet direction to the water inlet direction; the movable core can move back and forth in the water passing cavity to block or open the water passing hole with the change of water pressure.

5. A relief valve for facilitating maintenance as defined in claim 1, wherein The water outlet end cover on the outer periphery of the water outlet has an outer edge which abuts against the end face of the explosion-proof shell.

6. A relief valve for facilitating maintenance as defined in claim 1, wherein A first external thread is formed on the water outlet end cover, and a first internal thread connected with the first external thread is formed on the inner side of the explosion-proof shell; a first sealing ring is arranged between the first external thread and the first internal thread.

7. A relief valve for facilitating maintenance as defined in claim 1, wherein The water inlet is formed on a water inlet end cover which is detachably connected with the explosion-proof shell through screw threads.

8. A relief valve for facilitating maintenance as defined in claim 1, wherein The explosion-proof shell is sealingly and fixedly mounted in a water supply pipeline interface, and the water outlet of the explosion-proof shell is outwardly arranged.

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