Anti-explosion valve and water valve with same

Abstract

The utility model discloses an anti-explosion valve which comprises an outer shell, the outer shell is provided with a water inlet and a water outlet in the axial direction, a first sealing ring is installed on the periphery of the outer shell, and external threads used for being connected with internal threads in an inner cavity of a water valve water inlet pipe are arranged on the outer shell between the first sealing ring and the water outlet of the outer shell. The outer shell can be connected with the inner threads of the inner cavity of the water valve water inlet pipe through the outer threads, and therefore the anti-explosion valve and the water valve can be assembled together to be packaged and sold. When the explosion-proof valve is used, the explosion-proof valve is installed according to normal installation modes of the angle valve, the faucet and the like without an independent explosion-proof valve installation step.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of explosion-proof valve, concretely relates to an explosion-proof valve and a faucet with the explosion-proof valve. BACKGROUND

[0002] The explosion-proof valve is installed between the angle valve, the triangle valve (water valve) 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] However, the explosion-proof valve and the faucet product are separated, and a separate installation function is needed, which is not convenient to use.

[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 and a faucet with the explosion-proof valve, which can connect the explosion-proof valve and the water valve.

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

[0007] An explosion-proof valve, comprising an outer shell body, the outer shell body has a water inlet and a water outlet along the axial direction, a first sealing ring is installed on the outer periphery of the outer shell body, and an outer thread is arranged on the outer shell body between the first sealing ring and the water outlet for thread connection with the inner cavity of the water valve inlet pipe.

[0008] Further, the outer thread extends from the sealing ring to the water outlet.

[0009] Further, one end of the outer thread extends to the first sealing ring, and the axial length of the outer thread is 3-6 times the thread pitch.

[0010] Further, the first sealing ring is a rotary body sealing member with a concave cross section, a limiting ring is arranged on the outer shell body, and the rotary body sealing member is sleeved on the limiting ring; the rotary body sealing member has a first sealing surface and a second sealing surface on the two sides of the limiting ring in the axial direction, respectively, and the end of the outer thread is flush with the second sealing surface.

[0011] Further, the limiting ring is formed on the outer shell body, a sealing groove is formed on the outer shell body at one end of the limiting ring towards the water outlet side, and the first sealing ring is sleeved on the sealing groove.

[0012] Further, the end face of the water outlet of the outer shell is provided with a second sealing ring, or the outer wall of the outer shell is provided with a second sealing ring on the outer periphery of the water inlet of the outer shell.

[0013] Further, the limiting ring is located on the outer periphery of the water inlet of the outer shell or in the middle of the outer shell.

[0014] Further, a wrench position is arranged in the water inlet of the outer shell.

[0015] Further, an installation inner cavity for mounting the explosion-proof assembly is arranged in the outer shell, and the installation inner cavity is connected with the water inlet and the water outlet respectively; a water passing grid is arranged on the water inlet side of the installation inner cavity, and a water passing hole for matching the explosion-proof assembly is arranged on the water outlet side of the installation inner cavity.

[0016] Further, the installation inner cavity is arranged close to the water inlet side, and a second water passing section is arranged between the water passing hole and the water outlet; or the installation inner cavity is arranged close to the water outlet side, and a first water passing section is arranged between the water passing grid and the water inlet.

[0017] A water valve with an explosion-proof valve, wherein the water valve comprises a water valve body and the explosion-proof valve, the water valve body has a water inlet pipe, the water inlet pipe is provided with an inner thread, and the outer thread of the explosion-proof valve is threadedly connected with the inner thread.

[0018] After the above structure is adopted, the explosion-proof valve and the faucet with the explosion-proof valve have at least the following beneficial effects:

[0019] I. The outer shell can be connected with the inner cavity thread of the water inlet pipe of the water valve through the outer thread, so that the explosion-proof valve can be assembled with the water valve for packaging and sales. During use, the explosion-proof valve can be installed according to the normal installation mode of the angle valve, faucet and the like, and a separate explosion-proof valve installation step is not needed.

[0020] II. The end portion of the water inlet pipe and the outer shell are sealed by the first sealing ring, and further, the sealing can be strengthened by the second sealing ring, so as to reduce the risk of water leakage.

[0021] Compared with the prior art, the outer shell of the explosion-proof valve is connected with the inner cavity thread of the water inlet pipe of the water valve through the thread mode, so that the explosion-proof valve can be smoothly installed in the products such as the angle valve and the faucet, and the explosion-proof valve can be sold and installed together, which is very convenient. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a sectional view structure schematic diagram of the explosion-proof valve.

[0023] Figure 2 It is a sectional view structure schematic diagram of the explosion-proof valve.

[0024] Figure 3 It is the sectional view structural schematic drawing of the second embodiment of the utility model.

[0025] Figure 4 It is the sectional view structural schematic drawing of the utility model of the second sealing ring being arranged on the end face of the water outlet.

[0026] Figure 5 It is Figure 4 It is the sectional view of the use state of the explosion-proof valve.

[0027] Figure 6 It is the sectional view structural schematic drawing of the utility model of the second sealing ring being arranged on the outer wall of the shell body of the water outlet periphery.

[0028] Figure 7 It is the sectional view structural schematic drawing of the utility model with the first water passing section.

[0029] Figure 8 It is the sectional view structural schematic drawing of the embodiment of the limiting ring being located in the middle part of the shell body.

[0030] In the drawing,

[0031] Shell body 1;Mounting inner cavity 10;Water passing hole 101;Water inlet 11;Water outlet 12;External thread 13;Limiting ring 14;Sealing groove 15;Water passing grate 16;First water passing section 17;Second water passing section 18;First sealing ring 21;Sealing element 22;First sealing surface 221;Second sealing surface 222;Second sealing ring 23;Explosion-proof assembly 3;Movable core 31;Spring 32;Water valve body 100;Water inlet pipe 110. DETAILED DESCRIPTION

[0032] In order to further explain the technical scheme of the utility model, the utility model will be described in detail through specific embodiments.

[0033] As Figures 1 to 7 As shown in the figure, it is an explosion-proof valve related to the utility model, comprising a shell body 1, the shell body 1 has a water inlet 11 and a water outlet 12 along the axial direction, the water inlet 11 of the shell body 1 is provided with a first sealing ring 21, and the shell body 1 between the sealing ring and the water outlet 12 of the shell body 1 is provided with an external thread 13 for connecting with the inner thread of the water valve water inlet pipe 110.

[0034] In this way, the explosion-proof valve and the faucet with the explosion-proof valve related to the utility model, the shell body 1 can be connected with the inner thread of the water valve water inlet pipe 110 through the external thread 13, so that the explosion-proof valve can be assembled with the water valve together for packaging and sales. When using, it is installed according to the normal installation angle valve, faucet and other ways, without separate explosion-proof valve installation steps.

[0035] Preferably, as shown in Figure 1 and Figure 2 , the external thread 13 extends from the sealing ring to the water outlet 12. In this way, the external thread 13 has more turns, and the connection is more secure.

[0036] Preferably, as shown in Figures 3 to 7 , one end of the external thread 13 extends to the first sealing ring 21, and the axial length of the external thread 13 is 3-6 times the pitch. Only 3-6 turns of thread are needed to securely connect the outer shell 1 to the water valve inlet pipe 110.

[0037] Preferably, as shown in Figure 1 , the first sealing ring 21 is a rotary body seal 22 with a concave cross-section, and the outer shell 1 is provided with a limiting ring 14, and the rotary body seal 22 is sleeved on the limiting ring 14; the rotary body seal 22 has a first sealing surface 221 and a second sealing surface 222 on both sides of the limiting ring 14 in the axial direction, and the end of the external thread 13 is flush with the second sealing surface 222. In this way, the second sealing surface 222 serves as a sealing surface for the water supply pipe (not shown in the figure) after installation, achieving installation of the angle valve without using a gasket.

[0038] Preferably, as shown in Figure 3 , the limiting ring 14 is formed on the outer shell 1, and a sealing groove 15 is formed on the outer shell 1 at one end of the limiting ring 14 towards the water outlet side, and the first sealing ring 21 is sleeved on the sealing groove 15. The first sealing ring 21 abuts and seals with the water valve inlet pipe 110.

[0039] Further, a second sealing ring 23 is provided on the end face of the water outlet 12 of the outer shell 1, or a second sealing ring 23 is provided on the outer wall of the outer shell 1 around the water outlet 12 of the outer shell 1. The end of the outer shell 1 and the water inlet pipe 110 are sealed by the first sealing ring 21, and further strengthened by the second sealing ring 23 to reduce the risk of water leakage.

[0040] Preferably, the limiting ring 14 is located around the water inlet 11 of the outer shell 1, or in the middle of the outer shell 1 (as shown in Figure 8 ).

[0041] Preferably, a wrench position is provided in the water inlet 11 of the outer shell 1. The wrench position is used to connect a wrench, such as a hexagonal wrench, to achieve installation of the outer shell 1 and the water valve inlet pipe 110 during assembly.

[0042] Preferably, the outer shell 1 is provided with a mounting inner cavity 10 for mounting the explosion-proof assembly 3, the mounting inner cavity 10 is connected with the water inlet 11 and the water outlet 12 respectively; the water inlet side of the mounting inner cavity 10 is provided with a water passing grille 16, and the water outlet side of the mounting inner cavity 10 is provided with a water passing hole 101 for matching the explosion-proof assembly 3.

[0043] Further, the mounting inner cavity 10 is arranged close to the water inlet side, and the water passing hole 101 and the water outlet 12 are provided with a second water passing section 18; or, the mounting inner cavity 10 is arranged close to the water outlet side, and the water passing grille 16 and the water inlet 11 are provided with a first water passing section 17; as shown in Figure 6 and Figure 7 The explosion-proof assembly 3 comprises a movable core 31 and a spring 32, the movable core 31 can open or block the water passing hole under the action of water pressure, so as to timely block the water path when the water valve is disconnected.

[0044] The utility model also provides a water valve with explosion-proof valve, as shown in Figure 2 and Figure 5 The water valve body 100 is provided with a water inlet pipe 110, the water inlet pipe 110 is provided with an inner thread, and the outer thread 13 of the explosion-proof valve is screw-connected with the inner thread.

[0045] Compared with the prior art, the outer shell 1 of the explosion-proof valve is screw-connected with the inner thread of the water inlet pipe 110 of the water valve, so that the explosion-proof valve can be smoothly mounted in the angle valve, faucet and other products, and is sold and installed together, which is very convenient.

[0046] The above embodiment and drawing 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 regarded as not departing from the patent category of the utility model.

Claims

1. An explosion relief valve, characterized in that The outer shell has a water inlet and a water outlet in the axial direction, and a first sealing ring is mounted on the outer shell, and an outer thread is arranged on the outer shell between the first sealing ring and the water outlet of the outer shell for threaded connection with the inner thread of the water valve water inlet pipe.

2. A flameproof valve according to claim 1, wherein The outer thread extends from the sealing ring to the water outlet.

3. A flameproof valve as claimed in claim 1, characterised in that One end of the outer thread extends to the first sealing ring, and the axial length of the outer thread is 3-6 times the thread pitch.

4. A flameproof valve according to claim 1 or 2, characterised in that The first sealing ring is a rotary body sealing element with a concave cross section, and a limiting ring is arranged on the outer shell, and the rotary body sealing element is sleeved on the limiting ring; the rotary body sealing element has a first sealing surface and a second sealing surface on the two sides of the limiting ring in the axial direction, and the end of the outer thread is flush with the second sealing surface.

5. An explosion relief valve according to any one of claims 1-3, characterized in that A limiting ring is formed on the outer shell, and a sealing groove is formed on the outer shell at one end of the limiting ring towards the water outlet side, and the first sealing ring is sleeved on the sealing groove.

6. A flameproof valve according to claim 5, wherein, A second sealing ring is arranged on the end face of the water outlet of the outer shell, or a second sealing ring is arranged on the outer wall of the outer shell at the periphery of the water outlet of the outer shell.

7. A flameproof valve as claimed in claim 5, characterised in that The limiting ring is located at the periphery of the water inlet of the outer shell or in the middle of the outer shell.

8. A relief valve as defined in claim 1 wherein, An installation inner cavity for mounting the explosion-proof assembly is arranged in the outer shell, and the installation inner cavity is connected to the water inlet and the water outlet respectively; a water passing grid is arranged on the water inlet side of the installation inner cavity, and a water passing hole for cooperation with the explosion-proof assembly is arranged on the water outlet side of the installation inner cavity.

9. A flameproof valve according to claim 8, wherein, The installation inner cavity is arranged close to the water inlet side, and a second water passing section is arranged between the water passing hole and the water outlet; or the installation inner cavity is arranged close to the water outlet side, and a first water passing section is arranged between the water passing grid and the water inlet.

10. A water valve having a pressure relief valve, characterized by The water valve body has a water inlet pipe, and an inner thread is arranged in the water inlet pipe, and the outer thread of the explosion-proof valve is threadedly connected with the inner thread.

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