Explosion-proof valve convenient to install

Abstract

The explosion-proof valve convenient to install comprises an outer shell internally provided with an explosion-proof assembly, the outer shell is provided with a stretching-in section stretching into a water inlet pipe of a water valve, and a sealing ring structure is further arranged on the outer wall of the outer shell at the end, facing the water inlet direction, of the stretching-in section. The sealing ring structure abuts against the inlet end face of a water inlet pipe of the water valve. By arranging the sealing ring structure, after the extending section on the outer shell extends into the water inlet pipe of the water valve, the sealing ring structure abuts against the inlet end face of the water inlet pipe of the water valve to achieve sealing. The explosion-proof valve does not need to be in threaded connection with a water supply connector or a water inlet pipe of a water valve.

Description

TECHNICAL FIELD

[0001] The utility model relates to kitchen and bath technical field, concretely relates to a kind of anti-explosion valve of easy installation. BACKGROUND

[0002] Anti-explosion valve is installed between angle valve (valve body) and water supply pipeline interface, for when angle valve breaks, it can automatically and timely block water, avoid the waterlogging loss caused by not timely discovery.

[0003] At present, the threaded connection mode is generally used in the convenient valve product, which is installed in the water supply connector of the water supply network, and then the angle valve, faucet and other water valves are connected with the water supply connector by screwing, so the installation process is relatively complicated. If appropriate tools are not prepared, installation cannot be carried out.

[0004] Therefore, the present application is generated after the inventor deeply researches the above-mentioned defects in the prior art. INVENTION CONTENTS

[0005] The main purpose of the utility model is to provide an anti-explosion valve that is easy to install, which solves the problem of complicated installation mentioned in the background art.

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

[0007] An anti-explosion valve that is easy to install, comprising an outer shell body having an anti-explosion assembly inside, the outer shell body has an insertion section that extends into the water inlet pipe of a water valve, a sealing ring structure is further provided on the outer wall of the outer shell body at the end of the insertion section facing the water inlet direction, and the sealing ring structure abuts against the inlet end surface of the water inlet pipe of the water valve.

[0008] Further, the sealing ring structure comprises a limiting ring formed on the outer wall of the outer shell body and first and second sealing rings located on the left and right sides of the limiting ring, and the second sealing ring abuts against the inlet end surface of the water inlet pipe of the water valve.

[0009] Further, the sealing ring structure comprises a limiting ring formed on the outer wall of the outer shell body and a sealing member annularly sleeved on the limiting ring; the limiting ring is located at the outer periphery of the water inlet end of the anti-explosion shell, or the limiting ring is located at the middle part of the anti-explosion shell.

[0010] Further, the sealing member is a rotating body in the shape of an inverted U, and first and second sealing surfaces are formed on the left and right surfaces of the limiting ring, and the second sealing surface abuts against the inlet end surface of the water inlet pipe of the water valve.

[0011] Further, the diameter of the insertion section matches the inner diameter of the water inlet pipe.

[0012] Further, the outer shell comprises a water inlet end cover detachably arranged at the water inlet end of the outer shell, and one end of the explosion-proof assembly abuts against the water inlet end cover.

[0013] Further, the limiting ring is integrally connected to the outer shell.

[0014] Further, the outer shell comprises a water outlet end cover detachably arranged at the water outlet end of the outer shell, and one end of the explosion-proof assembly abuts against the water outlet end cover; when the water outlet end cover is removed, the explosion-proof assembly can be loaded or removed through the opening formed by the outer shell.

[0015] Further, the outer wall of the protruding section is sleeved with a third sealing ring.

[0016] After the above structure is adopted, the explosion-proof valve convenient to install has at least the following beneficial effects:

[0017] I. By arranging the sealing ring structure, the protruding section of the outer shell protrudes into the water inlet pipe of the water valve, and the sealing ring structure abuts against the inlet end surface of the water inlet pipe of the water valve to realize sealing. The explosion-proof valve is very convenient to install and does not need to be threadedly connected with the water supply connector or the water inlet pipe of the water valve.

[0018] II. The sealing ring structure can be a split first sealing ring and a second sealing ring, or a rotating body with an inverted U-shaped cross section, so that the annular groove formed on the sealing member cooperates with the limiting ring to realize installation and fixation.

[0019] Compared with the prior art, the explosion-proof valve installation structure is simplified, and the explosion-proof valve is more convenient and faster to install. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a use state sectional view of the explosion-proof valve convenient to install.

[0021] Figure 2 is a sectional structure schematic view of the first embodiment of the utility model.

[0022] Figure 3 is a three-dimensional structure schematic view of the first embodiment of the utility model.

[0023] Figure 4 is a sectional structure schematic view of the first embodiment of the utility model with a water inlet end cover.

[0024] Figure 5 is a sectional structure schematic view of the second embodiment of the utility model with a water outlet end cover.

[0025] Figure 6It is the cross section structure schematic view of the second embodiment of the utility model with water inlet end cover and water outlet end cover.

[0026] Figure 7 It is the cross section structure schematic view of the third embodiment of the utility model.

[0027] Figure 8 It is the cross section structure schematic view of the third embodiment of the utility model with third sealing ring.

[0028] In the drawing:

[0029] Housing 1, stretch into section 11, limit ring 12, water inlet end cover 13, water outlet end cover 14, explosion-proof assembly 2, first sealing ring 31, second sealing ring 32, sealing element 33, first sealing surface 331, second sealing surface 332, third sealing ring 34, water inlet pipe 100. Specific implementation

[0030] In order to further explain the technical scheme of the utility model, the utility model will be described in detail below through specific embodiments.

[0031] As shown in Figures 1 to 8 , it is a kind of explosion-proof valve convenient to install involved in the utility model, including the housing with explosion-proof assembly in it, the housing has the stretch into section in the water valve's water inlet pipe, the sealing ring structure is also arranged on the outer wall of the housing towards the water inlet direction one end of the stretch into section, and the sealing ring structure is in abutment with the inlet end surface of the water valve's water inlet pipe.

[0032] In this way, a kind of explosion-proof valve convenient to install involved in the utility model, by setting sealing ring structure, after the stretch into section of housing stretches into the water inlet pipe of water valve, sealing ring structure is in abutment with the inlet end surface of the water valve's water inlet pipe to realize sealing.It is very convenient to install explosion-proof valve and does not need to be connected with water supply connector or the water inlet pipe of water valve by screw thread.

[0033] Preferably, as shown in Figures 1 to 4 , as the first kind of implementation of the utility model, the sealing ring structure includes the limit ring formed on the outer wall of housing and the first sealing ring and the second sealing ring located on the left and right sides of limit ring, and the second sealing ring is in abutment with the inlet end surface of the water valve's water inlet pipe.

[0034] Preferably, as shown in Figure 5 Figure 6As shown, as the second embodiment of the utility model, the sealing ring structure includes the limiting ring formed on the outer wall of the outer shell and the sealing element annularly sleeved on the limiting ring, the sealing element is a rotating body with inverted N-shaped cross section, the limiting ring is located at the water inlet end of the explosion-proof shell,

[0035] As the third embodiment of the utility model, the limiting ring is located at the middle part of the explosion-proof shell, the sealing element is a rotating body with inverted L-shaped cross section, as shown in Figure 7 and Figure 8 .

[0036] The sealing ring structure can be a first sealing ring and a second sealing ring in split, or a rotating body with inverted N-shaped cross section with the outer periphery connected, so that the annular groove formed on the sealing element cooperates with the limiting ring to realize installation and fixation.

[0037] Preferably, the diameter of the extending section matches the inner cavity diameter of the water inlet pipe, so that the extending section extends into the water inlet pipe, and the gap between the deepening section and the water inlet pipe transversely shaking is small, which is beneficial to ensure that the water inlet end surface of the water inlet pipe abuts against the sealing ring structure.

[0038] Preferably, the outer shell includes a water inlet end cover detachably arranged at the water inlet end of the outer shell, one end of the explosion-proof assembly abuts against the water inlet end cover, and the limiting ring is arranged on the water inlet end cover. The limiting ring can be integrally formed on the outer shell as shown in Figure 4 and Figure 5 , or the limiting ring can be formed on the water inlet end cover, and the water inlet end cover is connected with the outer shell. Figure 6 and Figure 7 .

[0039] Preferably, as shown in Figure 2 and Figure 4 , or as shown in Figure 6 and Figure 7 , the outer shell includes a water outlet end cover detachably arranged at the water outlet end of the outer shell, one end of the explosion-proof assembly abuts against the water outlet end cover, and when the water outlet end cover is removed, the explosion-proof assembly can be loaded or removed through the opening formed by the outer shell.

[0040] Preferably, a third sealing ring can also be sleeved on the outer wall of the extending section, as shown in Figure 8 , the third sealing ring cooperates with the sealing element to realize double sealing and ensure the sealing effect.

[0041] Compared with the prior art, the utility model simplifies the installation structure of the explosion-proof valve, and makes the explosion-proof valve installation more convenient and fast.

[0042] The above embodiments and drawings are not intended to limit the product shape and style of the present application, and any appropriate changes or modifications made by those skilled in the art should be considered as not departing from the scope of the patent of the present application.

Claims

1. An explosion relief valve which is easy to install, characterized in that The outer shell with an explosion-proof assembly inside has a protruding section which protrudes into the water inlet pipe of the water valve, and a sealing ring structure is arranged on the outer wall of the outer shell at the end of the protruding section which faces the water inlet direction and abuts against the inlet end surface of the water inlet pipe of the water valve.

2. A flame arrestor for easy installation as defined in claim 1, characterized in that The sealing ring structure comprises a limiting ring formed on the outer wall of the outer shell and first and second sealing rings arranged on the left and right sides of the limiting ring, and the second sealing ring abuts against the inlet end surface of the water inlet pipe of the water valve.

3. A conveniently installed explosion relief valve as claimed in claim 1, wherein, The sealing ring structure comprises a limiting ring formed on the outer wall of the outer shell and a sealing member annularly arranged on the limiting ring; the limiting ring is arranged on the outer periphery of the water inlet end of the explosion-proof shell, or the limiting ring is arranged in the middle of the explosion-proof shell.

4. A flame arrestor for easy installation as defined in claim 3, characterized in that The cross section of the sealing member is a rotated body in the shape of an inverted U, and the sealing member has first and second sealing surfaces formed on the left and right sides of the limiting ring, and the second sealing surface abuts against the inlet end surface of the water inlet pipe of the water valve.

5. A conveniently installed explosion relief valve according to any one of claims 1-3, characterized in that The diameter of the protruding section matches the inner diameter of the water inlet pipe.

6. A conveniently installed explosion relief valve according to claim 2 or 3, characterised in that The outer shell comprises a water inlet end cover which is detachably arranged on the water inlet end of the outer shell, and one end of the explosion-proof assembly abuts against the water inlet end cover; the limiting ring is arranged on the water inlet end cover.

7. A conveniently installed explosion relief valve as defined in claim 2, wherein, The limiting ring is integrally connected to the outer shell.

8. A conveniently installed explosion relief valve according to any one of claims 1-3, characterized in that The outer shell comprises a water outlet end cover which is detachably arranged on the water outlet end of the outer shell, and one end of the explosion-proof assembly abuts against the water outlet end cover; when the water outlet end cover is removed, the explosion-proof assembly can be put into or removed through the opening formed by the outer shell.

9. A conveniently installed explosion relief valve as defined in claim 1, wherein, The outer wall of the protruding section is provided with a third sealing ring.

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