Improved anti-explosion valve

Abstract

The utility model discloses an improved anti-explosion valve which comprises a shell, a water passing end cover and an anti-explosion assembly, an installation cavity is formed in the shell, a water inlet and a water outlet are formed in the two ends of the installation cavity respectively, and the anti-explosion assembly is installed in the installation cavity; the water passing end cover and the water inlet are connected in a buckled mode through a buckle structure or connected in a threaded mode through a threaded structure. Compared with the prior art, the water passing end cover is arranged at the water inlet, so that the explosion-proof assembly and the water passing end cover are easier to install, the structure of the water passing end cover is simpler, and the production cost can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of bathroom accessories, specifically relates to an improved explosion-proof valve. BACKGROUND

[0002] With the extension of use time, the angle valve, faucet and other bathroom products installed on the water supply pipeline interface have the risk of aging and fracture, leading to water spray. If not found in time, it is easy to cause property loss due to water flooding. At present, explosion-proof valve products have been developed to solve the above problems, but there are problems of complex structure and inconvenient installation.

[0003] Therefore, the present application is produced in view of the above-mentioned defects in the prior art. CONTENT OF THE UTILITY MODEL

[0004] The main purpose of the utility model is to provide an improved explosion-proof valve, which has the characteristics of simple structure and convenient installation.

[0005] In order to achieve the above purpose, the solution of the utility model is as follows:

[0006] An improved explosion-proof valve, comprising a shell, a water passing end cover and an explosion-proof assembly, the shell has a mounting cavity inside, the two ends of the mounting cavity are respectively a water inlet and a water outlet, and the explosion-proof assembly is installed in the mounting cavity; the water passing end cover is connected with the water inlet through a buckle structure or is screw-connected with the water inlet through a threaded structure.

[0007] Further, the shell is made of metal material, and the water passing end cover is made of plastic material.

[0008] Further, a plug-in surrounding wall is formed on the water passing end cover, an outer side wall of the plug-in surrounding wall is provided with a clamping block, a plug-in slot is formed on the shell at the water inlet, and a clamping groove is formed on the side wall of the plug-in slot; the plug-in surrounding wall is plugged into the plug-in slot, and the clamping block is clamped with the clamping groove.

[0009] Further, the threaded structure comprises an external thread formed on the water passing end cover and an internal thread formed on the shell, and the external thread is screw-connected with the internal thread.

[0010] Further, a plurality of water inlet holes are formed on the water passing end cover.

[0011] Further, the water inlet holes comprise a central hole and a plurality of peripheral holes distributed around the central hole; the plurality of peripheral holes are annularly and uniformly distributed around the central hole.

[0012] Further, the anti-explosion assembly comprises a movable core and a spring sleeved outside the movable core, the spring abuts against the movable core from the water outlet direction to the water inlet direction, and the movable core can move back and forth in the mounting cavity to block or open the water outlet according to the water pressure change.

[0013] Further, the outer side wall of the water passing end cover is flush with the outer side wall of the shell of the water outlet.

[0014] With the above structure, the improved anti-explosion valve has at least the following beneficial effects:

[0015] I. The water passing end cover is arranged at the water inlet, when the anti-explosion assembly blocks the water outlet, the anti-explosion assembly is separated from the water passing end cover, the force acting on the water passing end cover is very small, and the structure of the water passing end cover can be simplified. Moreover, the anti-explosion assembly is installed through the water inlet, and then the water passing end cover is installed through buckling or screwing, so that the installation is very convenient.

[0016] II. The installation mode of buckling and pressing simplifies the assembly process, saves the operation time, and is conducive to reducing the production cost.

[0017] III. The outer peripheral holes are arranged around the outer periphery of the central hole and are uniformly distributed, so that the water flow is annular and uniform when passing through the water passing holes, and thus the water pressure change can be stably reflected on the movable core. For example, when the angle valve is broken, the internal and external pressure difference is very large, so that the movable core blocks the water outlet, and the water flooding is avoided.

[0018] Compared with the prior art, the water passing end cover is arranged at the water inlet, so that the anti-explosion assembly and the water passing end cover are easier to install, the structure of the water passing end cover is simpler, and the production cost can be reduced. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a perspective structural schematic view of the improved anti-explosion valve.

[0020] Figure 2 It is a sectional view structural schematic view of the improved anti-explosion valve.

[0021] Figure 3 It is Figure 2 It is an enlarged structural schematic view of A in the middle.

[0022] Figure 4 It is an exploded structural schematic view of the water passing end cover and the shell.

[0023] Figure 5 It is a perspective structural schematic view of the water passing end cover.

[0024] In the drawing:

[0025] The shell 1; the mounting cavity 11; the water inlet 111; the water outlet 112; the slot 12; the clamping groove 121; the water passing end cover 2; the plug-in surrounding wall 21; the clamping block 211; the water passing hole 22; the center hole 221; the outer peripheral hole 222; the explosion-proof assembly 3; the movable core 31; the spring 32. 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 4 shown, it is an improved explosion-proof valve, including shell 1, water passing end cover 2 and explosion-proof assembly 3, the shell 1 has mounting cavity 11 in, the mounting cavity 11 both ends are water inlet 111 and water outlet 112 respectively, the explosion-proof assembly 3 is installed in the mounting cavity 11, the water passing end cover 2 with water inlet 111 is connected by buckle structure or through threaded connection by screw thread structure.

[0028] In this way, the improved explosion-proof valve of the utility model, the water passing end cover 2 is set at water inlet 111, when the explosion-proof assembly 3 blocks water outlet 112, explosion-proof assembly 3 and water passing end cover 2 are separated, water passing end cover 2 is under very small stress, and water passing end cover 2 structure can be simplified.And explosion-proof assembly 3 is installed through water inlet 111, then water passing end cover 2 is installed by buckle or screw thread mode, and installation is very convenient.

[0029] Preferably, the water passing end cover 2 is made of plastic material, because the water passing end cover 2 is under small stress, and is provided with water passing hole 22, so it is made of plastic material by injection molding. The shell 1 needs to be connected with the water supply pipeline interface, in order to ensure its structural strength, the shell 1 is made of metal material.

[0030] Preferably, as Figure 2 and Figure 3 shown, the plug-in surrounding wall 21 is formed on the water passing end cover 2, the outer side wall of the plug-in surrounding wall 21 is provided with the clamping block 211, the shell 1 is formed with the slot 12 at the water inlet 111, and the slot 12 side wall is formed with the clamping groove 121; The plug-in surrounding wall 21 is inserted into the slot 12, and the clamping block 211 is clamped with the clamping groove 121. Through the buckle pressing installation mode, the assembly process is simplified, the operation time is saved, and the production cost is reduced.

[0031] Preferably, the threaded structure includes external threads formed on the water passing end cover 2 and internal threads formed on the shell 1, and the external threads are threadedly connected with the internal threads.

[0032] Preferably, the water passing end cover 2 is provided with a plurality of water inlet holes. The water inlet holes include a central hole 221 and a plurality of peripheral holes 222 distributed around the central hole 221; the plurality of peripheral holes 222 are uniformly distributed around the central hole 221. The explosion-proof assembly 3 includes a movable core 31 and a spring 32 sleeved outside the movable core 31, the spring 32 abuts against the movable core 31 from the water outlet 112 direction to the water inlet direction, and the movable core 31 can move back and forth in the installation cavity 11 to block or open the water outlet 112 according to the water pressure change. The peripheral holes 222 are distributed around the periphery of the central hole 221 and are uniformly distributed, so that the water flow through the water passing hole 22 is annular and uniform, so that the water pressure change can be stably reflected on the movable core 31. For example, when the angle valve is broken, the internal and external pressure difference is very large, so that the movable core 31 blocks the water outlet 112, and the water flooding situation is avoided.

[0033] Preferably, the outer side wall of the water passing end cover 2 is flush with the outer side wall of the shell 1 around the water outlet 112. In this way, the interference between the water passing end cover 2 and the inner wall of the water supply pipeline interface is reduced, and the installation is facilitated.

[0034] Compared with the prior art, the utility model discloses a water passing end cover 2 arranged at the water inlet 111, which makes the explosion-proof assembly 3 and the water passing end cover 2 easier to install, and the structure of the water passing end cover 2 is simpler, so that the production cost can be reduced.

[0035] 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 to them without departing from the scope of the utility model.

Claims

1. An improved explosion relief valve characterized by, The shell has a mounting cavity in it, the mounting cavity has a water inlet and a water outlet at two ends respectively, and the explosion-proof assembly is installed in the mounting cavity; the water-passing end cover is connected with the water inlet through a buckle structure or a threaded connection.

2. An improved explosion relief valve as claimed in claim 1 wherein, The shell is made of metal, and the water-passing end cover is made of plastic.

3. An improved explosion relief valve as claimed in claim 1 wherein, A plug-in wall is formed on the water-passing end cover, and the outer wall of the plug-in wall is provided with a clamping block; a slot is formed on the shell at the water inlet, and the side wall of the slot is provided with a clamping groove; the plug-in wall is inserted into the slot, and the clamping block is clamped with the clamping groove.

4. An improved explosion relief valve as claimed in claim 1 wherein, The threaded structure includes external threads formed on the water-passing end cover and internal threads formed on the shell, and the external threads are threadedly connected with the internal threads.

5. An improved explosion relief valve as claimed in claim 1 wherein, A plurality of water inlet holes are formed on the water-passing end cover.

6. An improved explosion relief valve as claimed in claim 5 wherein, The water inlet holes include a central hole and a plurality of peripheral holes distributed around the central hole; the plurality of peripheral holes are evenly distributed around the central hole in a ring shape.

7. An improved explosion relief valve as claimed in claim 1 wherein, The explosion-proof assembly includes a movable core and a spring sleeved outside the movable core, the spring abuts against the movable core from the water outlet direction to the water inlet direction, and the movable core can move back and forth in the mounting cavity to block or open the water outlet according to the change of water pressure.

8. An improved explosion relief valve as claimed in claim 1 wherein, The outer side wall of the water-passing end cover is flush with the outer side wall of the shell around the water outlet.

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