Anti-explosion angle valve

Abstract

The utility model belongs to the technical field of valve bodies, and particularly relates to an anti-explosion angle valve which comprises a valve body, the valve body comprises a water inlet end and a water outlet end, the water inlet end and the water outlet end are perpendicularly arranged and are convenient to install and connect pipelines, a through hole is formed in the upper end of the valve body and used for installing a valve rod, and a valve ball is arranged in the valve body and used for controlling on-off of water flow. One end of the valve rod penetrates through the through hole and is rotatably installed on the valve ball to be used for controlling opening and closing of the valve ball, the other end of the valve rod is connected with the handle to facilitate operation, the water receiving pipe is connected with the water outlet end, and the water inlet end of the valve body is provided with a flow slowing structure to reduce the flow speed of water flow after the water flow enters the valve body, reduce impact and vibration and improve the safety and stability of the angle valve. The valve body and the water receiving pipe are integrally formed through welding, the structural strength is high, it is guaranteed that no leakage risk exists at the joint, leakage caused by angle valve burst is prevented, and the anti-explosion performance is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of valve bodies, and particularly relates to an explosion-proof angle valve. Background Art

[0002] An angle valve, namely an angle stop valve, is an important plumbing fitting, mainly used for connecting internal and external water outlets, adjusting water pressure, serving as a water leakage switch, and for aesthetic purposes. Currently, it is mostly used in the water and electricity installation of the decoration industry, and is very common in both civil and industrial uses. Existing angle valves do not have a pressure reducing function or structure. Therefore, the water flow cannot be effectively buffered and reduced in pressure when passing through the angle valve. The water flow will maintain a high water pressure after entering the angle valve, and the high-pressure water flow will impact the angle valve, causing problems such as bursting. Content of the Utility Model

[0003] The purpose of the utility model is to provide an explosion-proof angle valve for the above-mentioned existing technical problems, so as to solve the problems raised in the above background art.

[0004] In view of this, the utility model provides an explosion-proof angle valve, which includes a valve body. The valve body includes a water inlet end and a water outlet end, and the water inlet end and the water outlet end are vertically arranged. There is a through hole provided at the upper end of the valve body;

[0005] A valve ball, which is arranged inside the valve body;

[0006] A valve rod, one end of the valve rod passes through the through hole and is rotatably installed on the valve ball, and the other end of the valve rod is connected to a handle;

[0007] A water connection pipe, which is connected to the water outlet end;

[0008] A flow buffering structure, which is provided at the water inlet end of the valve body;

[0009] Wherein, the valve body and the water connection pipe are integrally formed by welding.

[0010] In the above technical solution, further, both the valve body and the water connection pipe are made of stainless steel.

[0011] In the above technical solution, further, there are two O-ring seals provided between the valve rod and the valve body.

[0012] In the above technical solution, further, there are sealing gaskets provided between the water connection pipe and the valve ball, and between the valve ball and the valve body.

[0013] In the above technical solution, further, the flow buffering structure includes:

[0014] Flow buffering rings, two flow buffering rings are fixedly arranged at intervals from top to bottom inside the water inlet end;

[0015] Limit sliding grooves, a plurality of limit sliding grooves are spacedly arranged on the inner surface of both flow buffering rings;

[0016] A plugging slider is slidably connected to one end inside the limiting sliding groove.

[0017] A first flow-attenuating piece is fixedly installed at one end of the plugging slider below.

[0018] A second flow-attenuating piece is fixedly installed at one end of the plugging slider above.

[0019] A spring is fixedly connected between the flow-attenuating ring and the plugging slider.

[0020] In the above technical solution, further, both the first flow-attenuating piece and the second flow-attenuating piece are inclined, and the area size of the second flow-attenuating piece is larger than that of the first flow-attenuating piece.

[0021] In the above technical solution, further, the cross-sectional shapes of the limiting sliding groove and the plugging slider are rectangular.

[0022] The beneficial effects of the present utility model are as follows:

[0023] 1. A flow-attenuating structure is provided at the water inlet end of the valve body to reduce the flow rate of water after it enters the valve body, reduce impact and vibration, and improve the safety and stability of the angle valve.

[0024] 2. The valve body and the connecting water pipe are integrally formed by welding, with high structural strength, ensuring no leakage risk at the connection, preventing leakage caused by the bursting of the angle valve, and greatly improving the explosion-proof performance.

[0025] 3. Both the valve body and the connecting water pipe are made of stainless steel, with high structural strength, good corrosion resistance, long service life, and good welding performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a schematic structural diagram of the present utility model;

[0027] Figure 2 is a schematic internal structural diagram of the present utility model;

[0028] Figure 3 is the present utility model Figure 2 a partial enlarged view at A in;

[0029] The markings in the figure are shown as: 1-valve body, 2-valve ball, 3-valve rod, 4-handle, 5-connecting water pipe, 6-O-ring seal, 7-sealing gasket, 8-flow-attenuating ring, 9-limiting sliding groove, 10-plugging slider, 11-first flow-attenuating piece, 12-second flow-attenuating piece, 13-spring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] Next, the technical solutions in the embodiments of the present application will be clearly described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application belong to the scope protected by the present application.

[0031] Embodiment 1:

[0032] This embodiment provides an explosion-proof angle valve, including:

[0033] A valve body 1, the valve body 1 includes a water inlet end and a water outlet end, the water inlet end and the water outlet end are vertically arranged, and a through hole is provided at the upper end of the valve body 1;

[0034] A valve ball 2, the valve ball 2 is arranged inside the valve body 1;

[0035] A valve stem 3, one end of the valve stem 3 passes through the through hole and is rotatably installed on the valve ball 2, and the other end of the valve stem 3 is connected to a handle 4;

[0036] A water connection pipe 5, the water connection pipe 5 is connected to the water outlet end;

[0037] A flow buffering structure, the water inlet end of the valve body 1 is provided with a flow buffering structure;

[0038] Wherein, the valve body 1 and the water connection pipe 5 are integrally formed by welding.

[0039] It can be seen from this embodiment that the valve body 1 includes a water inlet end and a water outlet end, the water inlet end and the water outlet end are vertically arranged, which is convenient for installation and connection of pipelines. A through hole is provided at the upper end of the valve body 1 for installing the valve stem 3. The valve ball 2 is arranged inside the valve body 1 to control the on-off of the water flow. One end of the valve stem 3 passes through the through hole and is rotatably installed on the valve ball 2 to control the opening and closing of the valve ball 2. The other end of the valve stem 3 is connected to the handle 4 for easy operation. The water connection pipe 5 is connected to the water outlet end. A flow buffering structure is provided at the water inlet end of the valve body 1 to reduce the flow rate of the water flow after entering the valve body 1, reduce impact and vibration, and improve the safety and stability of the angle valve. The valve body 1 and the water connection pipe 5 are integrally formed by welding, with high structural strength, ensuring no leakage risk at the connection, preventing the angle valve from bursting and leaking, and greatly improving the explosion-proof performance.

[0040] Embodiment 2:

[0041] This embodiment provides an explosion-proof angle valve, which, in addition to including the technical solutions of the above embodiment, further has the following technical features.

[0042] Both the valve body 1 and the water connection pipe 5 are made of stainless steel.

[0043] It can be seen from this embodiment that both the valve body 1 and the water connection pipe 5 are made of stainless steel, with high structural strength, good corrosion resistance, long service life, and good welding performance.

[0044] Example 3:

[0045] This embodiment provides an explosion-proof angle valve. In addition to including the technical solutions of the above embodiments, it also has the following technical features.

[0046] There are two O-ring seals 6 provided between the valve stem 3 and the valve body 1.

[0047] It can be seen from this embodiment that there are two O-ring seals 6 provided between the valve stem 3 and the valve body 1, which not only improves the sealing performance between the valve stem 3 and the valve body 1, but also enables the valve stem 3 to only rotate without moving up and down. The valve stem 3 can complete full opening and full closing as long as it rotates 90°.

[0048] Example 4:

[0049] This embodiment provides an explosion-proof angle valve. In addition to including the technical solutions of the above embodiments, it also has the following technical features.

[0050] There is a gasket 7 provided between the water connection pipe 5 and the valve ball 2 and between the valve ball 2 and the valve body 1.

[0051] It can be seen from this embodiment that there is a gasket 7 provided between the water connection pipe 5 and the valve ball 2 and between the valve ball 2 and the valve body 1, which improves the sealing performance between the water connection pipe 5 and the valve ball 2 and between the valve ball 2 and the valve body 1.

[0052] Example 5:

[0053] This embodiment provides an explosion-proof angle valve. In addition to including the technical solutions of the above embodiments, it also has the following technical features.

[0054] The flow-attenuating structure includes:

[0055] Flow-attenuating rings 8, and two flow-attenuating rings 8 are fixedly arranged at intervals from top to bottom inside the water inlet end;

[0056] Limit sliding grooves 9, and a plurality of limit sliding grooves 9 are spaced apart and provided on the inner surface of each of the two flow-attenuating rings 8;

[0057] Blocking sliders 10, and one end inside the limit sliding grooves 9 is slidably connected with a blocking slider 10;

[0058] First flow-attenuating sheets 11, and a first flow-attenuating sheet 11 is fixedly installed at one end of the blocking slider 10 located below;

[0059] Second flow-attenuating sheets 12, and a second flow-attenuating sheet 12 is fixedly installed at one end of the blocking slider 10 located above;

[0060] Springs 13, and a spring 13 is fixedly connected between the flow-attenuating ring 8 and the blocking slider 10.

[0061] It can be seen from this embodiment that during the water inlet process at the water inlet end, the first flow buffer piece 11 initially buffers and blocks the passing water flow. When the water flow impacts the first flow buffer piece 11, the first flow buffer piece 11 is stressed and drives the plugging slider 10 to slide into the limit chute 9. Then, the second flow buffer piece 12 further buffers and blocks the passing water flow. When the water flow impacts the second flow buffer piece 12, the second flow buffer piece 12 is stressed and drives the plugging slider 10 to slide into the limit chute 9. By utilizing the resistance generated when the spring 13 contracts and deforms, it can play a good role in buffering the passing water flow, slowing down the impact force of the water flow on the angle valve, and further enhancing the explosion-proof effect.

[0062] Embodiment 6:

[0063] This embodiment provides an explosion-proof angle valve. In addition to including the technical solutions of the above embodiments, it also has the following technical features.

[0064] Both the first flow buffer piece 11 and the second flow buffer piece 12 are inclined. The area size of the second flow buffer piece 12 is larger than that of the first flow buffer piece 11.

[0065] It can be seen from this embodiment that both the first flow buffer piece 11 and the second flow buffer piece 12 are inclined, and the area size of the second flow buffer piece 12 is larger than that of the first flow buffer piece 11, achieving the purpose that the first flow buffer piece 11 and the second flow buffer piece 12 can cooperate with each other to play a good role in buffering the water flow.

[0066] Embodiment 7:

[0067] This embodiment provides an explosion-proof angle valve. In addition to including the technical solutions of the above embodiments, it also has the following technical features.

[0068] The cross-sectional shapes of the limit chute 9 and the plugging slider 10 are rectangular.

[0069] It can be seen from this embodiment that the cross-sectional shapes of the limit chute 9 and the plugging slider 10 are rectangular. By setting it like this, the purpose that the plugging slider 10 can slide stably along the limit chute 9 is achieved.

[0070] The embodiments of the present application have been described above in conjunction with the accompanying drawings. Without conflict, the embodiments and the features in the embodiments in the present application can be combined with each other. The present application is not limited to the above specific embodiments. The above specific embodiments are merely illustrative and not restrictive. Under the inspiration of the present application, those of ordinary skill in the art can also make many forms without departing from the purpose of the present application and the scope protected by the claims, and all of them belong to the protection scope of the present application.

Claims

1. An explosion-proof angle valve, characterized in that: include: A valve body (1), the valve body (1) comprising a water inlet end and a water outlet end, the water inlet end and the water outlet end are arranged vertically, and a through hole is arranged at the upper end of the valve body (1); A valve ball (2), wherein the valve ball (2) is arranged in the valve body (1); A valve stem (3), one end of which passes through the through hole and is rotatably mounted on the valve ball (2), and the other end of which is connected to a handle (4); A water receiving pipe (5), wherein the water receiving pipe (5) is connected to the water outlet; A slow-flow structure, wherein the water inlet end of the valve body (1) is provided with a slow-flow structure; Wherein, the valve body (1) and the water receiving pipe (5) are integrally formed by welding.

2. The explosion-proof angle valve according to claim 1, characterized in that: The valve body (1) and the water connecting pipe (5) are both made of stainless steel.

3. The explosion-proof angle valve according to claim 2, characterized in that: Two O-type sealing rings (6) are arranged between the valve stem (3) and the valve body (1).

4. The explosion-proof angle valve according to claim 3, characterized in that: A sealing gasket (7) is provided between the water receiving pipe (5) and the valve ball (2), and between the valve ball (2) and the valve body (1).

5. The explosion-proof angle valve according to claim 4, characterized in that: The slow flow structure comprises: A slow-flow ring (8), wherein two slow-flow rings (8) are fixedly arranged in sequence from top to bottom inside the water inlet end; Limiting slide grooves (9), the inner surfaces of the two slow-flow rings (8) are each provided with a plurality of limiting slide grooves (9) at intervals; A blocking slider (10), wherein one end of the limiting slide groove (9) is slidably connected to the blocking slider (10); A first slow-flow plate (11), one end of the blocking slider (10) located below being fixedly mounted with the first slow-flow plate (11); A second slow-flow plate (12), one end of the blocking slider (10) located above being fixedly mounted with the second slow-flow plate (12); A spring (13) is fixedly connected between the slow-flow ring (8) and the blocking slide block (10).

6. The explosion-proof angle valve according to claim 5, characterized in that: The first slow-flow sheet (11) and the second slow-flow sheet (12) are both arranged in an inclined manner, and the area size of the second slow-flow sheet (12) is larger than the area size of the first slow-flow sheet (11).

7. The explosion-proof angle valve according to claim 6, characterized in that: The cross-sectional shapes of the limiting sliding groove (9) and the blocking sliding block (10) are rectangular.

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