CN216382668U

CN216382668U - Anti-leakage self-compensation type high-strength ball valve

Info

Publication number: CN216382668U
Application number: CN202122436958.3U
Authority: CN
Inventors: 张积宗; 李道忠; 李玉文; 黄家明
Original assignee: Zhejiang Maskai Valve Industry Co ltd
Current assignee: Zhejiang Maskai Valve Industry Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-04-26
Anticipated expiration: 2031-10-11

Abstract

The utility model provides a leakage-proof self-compensating high-strength ball valve, which comprises a valve body, a clamping leakage-proof structure group, a valve rod, a rotating hand wheel, a water inlet pipe, a compensating input pipe, a connecting flange and a water outlet pipe, wherein: the blocking anti-leakage structure group is positioned above the valve body, the valve rod is embedded in the valve body, and the rotary hand wheel is installed at the top end of the valve rod through threads; the water inlet pipe is arranged at one end of the valve body through a bolt, the compensation input pipe is welded on the surface of the water inlet pipe, and the connecting flange is welded at one end of the valve body and one end of the water outlet pipe; the connecting flanges are connected through bolts. The anti-leakage structure group is blocked, the water inlet pipe and the compensation input pipe are arranged, the sealing degree is high, and no bubble exists in the output water.

Description

Anti-leakage self-compensation type high-strength ball valve

Technical Field

The utility model belongs to the technical field of valves, and particularly relates to a leakage-proof self-compensation type high-strength ball valve.

Background

Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). According to their function, they can be classified into shut-off valves, check valves, regulating valves, and the like.

The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems.

The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The valves are divided into cast iron valves, cast steel valves, stainless steel valves (201, 304, 316 and the like), chrome molybdenum steel valves, chrome molybdenum vanadium steel valves, dual-phase steel valves, plastic valves, nonstandard valves and the like according to the materials, but the existing valves still have the problems of low sealing degree and easy existence of a large amount of bubbles in the output water.

Therefore, it is necessary to invent a leakage-proof self-compensating high-strength ball valve.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a leakage-proof self-compensating high-strength ball valve, which aims to solve the problems that the existing valve is still low in sealing degree and a large amount of bubbles are easy to exist in the output water. The utility model provides a prevent leaking self compensating formula high strength ball valve, includes the valve body, blocks and prevents leaking the structure crowd, the valve rod, rotatory hand wheel, the oral siphon, the compensation input tube, flange and outlet pipe, wherein: the blocking anti-leakage structure group is positioned above the valve body, the valve rod is embedded in the valve body, and the rotary hand wheel is installed at the top end of the valve rod through threads; the water inlet pipe is arranged at one end of the valve body through a bolt, the compensation input pipe is welded on the surface of the water inlet pipe, and the connecting flange is welded at one end of the valve body and one end of the water outlet pipe; the connecting flanges are connected through bolts.

The clamping anti-leakage structure group comprises a lower supporting bracket, a limiting plate and a positioning clamping groove, the lower supporting bracket is arranged at the top of the valve body through a bolt, and the limiting plate is welded on the surface of the valve rod; the positioning clamping groove is formed in the surface of the limiting plate.

The compensation input pipe comprises a connecting pipe, a control valve and an input port, the connecting pipe is welded on the surface of a vertical pipeline in the water inlet pipe, and the control valve is installed above the connecting pipe through threads; the input port is mounted above the control valve by threads.

The clamping anti-leakage structure group adopts a steel metal structure, the steel metal structure and the clamping anti-leakage structure group are mutually matched for use, a limiting plate in the clamping anti-leakage structure group can rotate along with the rotation of the valve rod, and the limiting plate in the clamping anti-leakage structure group stops rotating when contacting with a bulge on the surface of the lower supporting bracket; the positioning clamping grooves in the anti-leakage blocking structure group can be fixed on the surface of the valve body through the clamping bolts, the maximum rotating angle of the valve rod can be controlled through the matching between the positioning clamping grooves, the valve rod can be limited to rotate continuously after the maximum rotating angle is reached, and the positioning clamping grooves can be fixed through the clamping bolts after the valve rod is opened or closed, so that the valve is prevented from being pushed by liquid in the positioning clamping grooves.

The oral siphon adopts zigzag steel tubular metal resonator, and be parallel to each other between two root canal ways about the oral siphon, form a difference in height, the front end is higher than the rear end, this oral siphon is located the one end of the inward input income water of valve body, be favorable to forming certain difference in height, the liquid water level at rear need be less than the height of oral siphon top high pipe, when the rear is not to the pressure, the inside liquid of oral siphon passes through the gravity backward flow, vacuole formation prevents to hold liquid for a long time and leads to the leakage.

The compensation input pipe adopts the steel tubular metal resonator, and the compensation input pipe is direct to being connected with the oral siphon, and this compensation input pipe accessible inside control valve control opens or closes, is favorable to when the pressure of oral siphon income water is not enough, compensates it through opening of compensation input pipe, prevents that the inside of the water of front end output from having a large amount of bubbles.

Compared with the prior art, the utility model has the following beneficial effects:

1. the arrangement of the blocking anti-leakage structure group is beneficial to controlling the maximum rotating angle of the valve rod by matching between the blocking anti-leakage structure group and the valve rod, can limit the valve rod to continuously rotate after reaching the maximum angle, and can be fixed by the blocking bolt after being opened or closed so as to prevent liquid in the valve rod from pushing the valve from the inside.

2. The arrangement of the water inlet pipe is beneficial to forming a certain height difference, the liquid level at the rear part needs to be lower than the height of the high pipe above the water inlet pipe, and when no pressure is applied at the rear part, the liquid in the water inlet pipe flows back by gravity to form a cavity, so that the leakage caused by long-time liquid containing is prevented.

3. The arrangement of the compensation input pipe is beneficial to compensating the water inlet pipe by opening the compensation input pipe when the water inlet pressure of the water inlet pipe is insufficient, so that a large amount of bubbles are prevented from being arranged in the water output from the front end.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is an enlarged view of the present invention at a.

Fig. 3 is a schematic view of the structure of the compensating input tube of the present invention.

In the figure:

the anti-leakage valve comprises a valve body 1, a blocking anti-leakage structure group 2, a lower support bracket 21, a limiting plate 22, a positioning clamping groove 23, a valve rod 3, a rotating hand wheel 4, a water inlet pipe 5, a compensation input pipe 6, a connecting pipe 61, a control valve 62, an input port 63, a connecting flange 7 and a water outlet pipe 8.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in figures 1 to 3.

The utility model provides a leakage-proof self-compensating high-strength ball valve, which comprises a valve body 1, a clamping leakage-proof structure group 2, a valve rod 3, a rotary hand wheel 4, a water inlet pipe 5, a compensating input pipe 6, a connecting flange 7 and a water outlet pipe 8, wherein: the blocking leakage-proof structure group 2 is positioned above the valve body 1, the valve rod 3 is embedded in the valve body 1, and the rotary hand wheel 4 is installed at the top end of the valve rod 3 through threads; the water inlet pipe 5 is installed at one end of the valve body 1 through a bolt, the compensation input pipe 6 is welded on the surface of the water inlet pipe 5, and the connecting flange 7 is welded at one end of the valve body 1 and one end of the water outlet pipe 8; the connecting flanges 7 are connected through bolts.

The anti-leakage structure group 2 comprises a lower support bracket 21, a limiting plate 22 and a positioning clamping groove 23, wherein the lower support bracket 21 is arranged at the top of the valve body 1 through a bolt, and the limiting plate 22 is welded on the surface of the valve rod 3; the positioning clamping groove 23 is formed in the surface of the limiting plate 22.

The compensation input pipe 6 comprises a connecting pipe 61, a control valve 62 and an input port 63, the connecting pipe 61 is welded on the vertical pipe surface in the water inlet pipe 5, and the control valve 62 is installed above the connecting pipe 61 through screw threads; the inlet 63 is threadedly mounted above the control valve 62.

According to the anti-leakage self-compensation high-strength ball valve provided by the utility model, the valve body 1 is used for forming a main supporting structure; the anti-leakage structure group 2 is made of steel metal structures, the anti-leakage structure group 2 is matched with the steel metal structures, a limiting plate 22 in the anti-leakage structure group 2 can rotate along with the rotation of the valve rod 3, and the limiting plate 22 in the anti-leakage structure group 2 stops rotating when contacting with a bulge on the surface of the lower supporting bracket 21; the positioning clamping groove 23 in the anti-blocking and anti-leakage structure group 2 can be fixed on the surface of the valve body 1 through a clamping bolt, so that the maximum rotation angle of the valve rod 3 can be controlled through the matching between the positioning clamping groove and the clamping bolt, the valve rod can be limited to rotate continuously after reaching the maximum angle, and the positioning clamping groove can be fixed through the clamping bolt after being opened or closed, so that the liquid in the valve rod can be prevented from pushing the valve from the inside; the valve rod 3 and the rotary hand wheel 4 are used for controlling the opening or closing of the valve; the water inlet pipe 5 is made of a Z-shaped steel metal pipe, the upper pipeline and the lower pipeline of the water inlet pipe 5 are parallel to each other to form a height difference, the front end of the water inlet pipe is higher than the rear end of the water inlet pipe, the water inlet pipe 5 is positioned at one end, which is inwards input into the water, of the valve body 1, a certain height difference is favorably formed, the liquid water level at the rear part needs to be lower than the height of the high pipe above the water inlet pipe 5, when no pressure is applied at the rear part, the liquid in the water inlet pipe 5 flows back through gravity to form a cavity, and the leakage caused by the long-time liquid containing is prevented; the compensation input pipe 6 is a steel metal pipe, the compensation input pipe 6 is directly connected with the water inlet pipe 5, and the compensation input pipe 6 can be controlled to be opened or closed through a control valve 62 in the compensation input pipe 6, so that when the water inlet pressure of the water inlet pipe 5 is insufficient, the compensation input pipe 6 is opened to compensate the water, and a large amount of bubbles are prevented from being arranged in the water output from the front end; the connecting flange 7 is used for connecting the utility model with a water outlet pipe 8.

The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.

Claims

1. The utility model provides a prevent leaking self compensating formula high strength ball valve which characterized in that: including valve body (1), the dead leak protection structure crowd of card (2), valve rod (3), rotatory hand wheel (4), oral siphon (5), compensation input tube (6), flange (7) and outlet pipe (8), wherein: the blocking anti-leakage structure group (2) is positioned above the valve body (1), the valve rod (3) is embedded in the valve body (1), and the rotary hand wheel (4) is installed at the top end of the valve rod (3) through threads; the water inlet pipe (5) is installed at one end of the valve body (1) through a bolt, the compensation input pipe (6) is welded on the surface of the water inlet pipe (5), and the connecting flange (7) is welded at one end of the valve body (1) and one end of the water outlet pipe (8); the connecting flanges (7) are connected through bolts.

2. A leak-resistant, self-compensating high strength ball valve as defined in claim 1, wherein: the anti-leakage structure group (2) comprises a lower supporting bracket (21), a limiting plate (22) and a positioning clamping groove (23), the lower supporting bracket (21) is installed on the top of the valve body (1) through a bolt, and the limiting plate (22) is welded on the surface of the valve rod (3); the positioning clamping groove (23) is formed in the surface of the limiting plate (22).

3. A leak-resistant, self-compensating high strength ball valve as defined in claim 1, wherein: the compensation input pipe (6) comprises a connecting pipe (61), a control valve (62) and an input port (63), the connecting pipe (61) is welded on the vertical pipeline surface in the water inlet pipe (5), and the control valve (62) is installed above the connecting pipe (61) through threads; the inlet port (63) is mounted above the control valve (62) by means of a screw thread.

4. A leak-resistant, self-compensating high strength ball valve as defined in claim 1, wherein: the clamping anti-leakage structure group (2) is of a steel metal structure, the clamping anti-leakage structure group (2) is mutually matched for use, a limiting plate (22) in the clamping anti-leakage structure group (2) can rotate along with the rotation of the valve rod (3), and the limiting plate (22) in the clamping anti-leakage structure group (2) stops rotating when contacting with a bulge on the surface of the lower supporting bracket (21); the positioning clamping groove (23) in the anti-leakage structure group (2) can be fixed on the surface of the valve body (1) through the clamping bolt.

5. A leak-resistant, self-compensating high strength ball valve as defined in claim 1, wherein: the water inlet pipe (5) is made of a Z-shaped steel metal pipe, the upper pipeline and the lower pipeline of the water inlet pipe (5) are parallel to each other to form a height difference, the front end of the water inlet pipe is higher than the rear end of the water inlet pipe, and the water inlet pipe (5) is located at one end, inwards, of the valve body (1), of the water inlet pipe.

6. A leak-resistant, self-compensating high strength ball valve as defined in claim 1, wherein: the compensation input pipe (6) is a steel metal pipe, the compensation input pipe (6) is directly connected with the water inlet pipe (5), and the compensation input pipe (6) can be controlled to be opened or closed through a control valve (62) in the compensation input pipe.