CN212131372U - High-pressure groove ball valve - Google Patents

High-pressure groove ball valve Download PDF

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Publication number
CN212131372U
CN212131372U CN202020747421.1U CN202020747421U CN212131372U CN 212131372 U CN212131372 U CN 212131372U CN 202020747421 U CN202020747421 U CN 202020747421U CN 212131372 U CN212131372 U CN 212131372U
Authority
CN
China
Prior art keywords
valve
ball valve
valve body
packing
ball
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202020747421.1U
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Chinese (zh)
Inventor
胡毅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Canghai Valve Technology Co ltd
Original Assignee
Zhejiang Canghai Valve Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Canghai Valve Technology Co ltd filed Critical Zhejiang Canghai Valve Technology Co ltd
Priority to CN202020747421.1U priority Critical patent/CN212131372U/en
Application granted granted Critical
Publication of CN212131372U publication Critical patent/CN212131372U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to the technical field of ball valves, in particular to a high-pressure groove ball valve, which comprises a ball valve body, wherein the ball valve body comprises a left valve body and a right valve body which are arranged in a bilateral symmetry manner, two valve seats are arranged on the left valve body and the right valve body, a ball valve is arranged between the two valve seats, and a sealing surface is arranged between each valve seat and the ball valve; the top of the ball valve is connected with a valve rod, a valve cover is arranged on the ball valve, packing is arranged between the valve cover and the valve rod, and a packing gland is arranged on the packing; the utility model adopts two sealing surfaces, the sealing performance is good, and the complete sealing can be realized; simple structure, small volume, light weight, convenient operation, convenient maintenance and wide application range.

Description

High-pressure groove ball valve
Technical Field
The utility model relates to a ball valve technical field especially relates to a high pressure slot ball valve.
Background
The valves used for the fluid control system are various from the simplest stop valve to various valves used in a very complicated automatic control system, the variety and the specification of the valves are quite various, the valves can be used for controlling the flow of various fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, the valves are further 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 custom-made valve materials and the like according to the materials, in the installation process of the gate valve, the traditional gate valve connection modes are various, such as flanges, internal and external threads, socket welding, hoops and the like, but the traditional valve has poor sealing performance, the traditional single sealing gasket can not meet the use requirement, the use is very inconvenient, and the installation, the disassembly and maintenance cost of the traditional valve is high, the operation is more complicated and the use is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the high pressure slot ball valve that proposes, simple structure, small, light in weight, the leakproofness is good, convenient operation, easy maintenance, application scope is wide.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a high-pressure groove ball valve comprises a ball valve body, wherein the ball valve body comprises a left valve body and a right valve body which are arranged in a bilateral symmetry mode, two valve seats are arranged on the left valve body and the right valve body, a ball valve is arranged between the two valve seats, and a sealing surface is arranged between each valve seat and the ball valve; the ball valve is characterized in that a valve rod is connected to the top of the ball valve, a valve cover is arranged on the ball valve, packing is arranged between the valve cover and the valve rod, and a packing gland is arranged on the packing.
Preferably, three first O-ring seals are arranged between the packing and the valve cover and between the packing and the valve rod.
Preferably, a combining cap is arranged on the packing gland and connected with the packing gland through four bolts.
Preferably, a second O-ring is disposed between each sealing surface and the valve seat, and the number of the second O-rings is two.
Preferably, the sealing surface is a plastic sealing surface.
Preferably, the ball valve body is a single-groove ball valve, a double-groove ball valve or a three-groove ball valve.
The utility model discloses following beneficial effect has: the utility model relates to a high-pressure groove ball valve, which comprises a ball valve body, wherein the ball valve body comprises a left valve body and a right valve body which are arranged in a bilateral symmetry manner, two valve seats are arranged on the left valve body and the right valve body, a ball valve is arranged between the two valve seats, and a sealing surface is arranged between each valve seat and the ball valve; the top of the ball valve is connected with a valve rod, a valve cover is arranged on the ball valve, packing is arranged between the valve cover and the valve rod, and a packing gland is arranged on the packing; the utility model adopts two sealing surfaces, the sealing performance is good, and the complete sealing can be realized; simple structure, small volume, light weight, convenient operation, convenient maintenance and wide application range.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1-left valve body, 2-right valve body, 3-valve seat, 4-ball valve, 5-sealing surface, 6-valve rod, 7-valve cover, 8-packing, 9-packing gland, 10-first O-shaped sealing ring, 11-nut, 12-bolt and 13-second O-shaped sealing ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1, the high-pressure groove ball valve comprises a ball valve body, wherein the ball valve body comprises a left valve body 1 and a right valve body 2 which are arranged in a bilateral symmetry manner, two valve seats 3 are arranged on the left valve body 1 and the right valve body 2, a ball valve 4 is arranged between the two valve seats 3, and a sealing surface 5 is arranged between each valve seat 3 and each ball valve 4; the top of ball valve 4 is connected with valve rod 6, be equipped with valve gap 7 on the ball valve 4, be equipped with packing 8 between valve gap 7 and the valve rod 6, be equipped with gland 9 on the packing 8.
Specifically, three first O-ring seals 10 are arranged between the packing 8 and the valve cover 7 and between the packing and the valve rod 6, and the number of the first O-ring seals 10 is three.
In this embodiment, the packing 8 and the first O-ring 10 are used to effectively enhance the sealing performance of the ball valve.
Specifically, a combining cap 11 is arranged on the packing gland 9, the combining cap 11 is connected with the packing gland 9 through four bolts 12, and the number of the bolts 12 is four.
In the embodiment, the combining cap 11 is tightly connected with the packing gland 9 by four bolts 12, so that the connection is stable and reliable.
Specifically, a second O-ring 13 is arranged between each sealing surface 5 and the valve seat 3, and the number of the second O-rings 13 is two.
Wherein the sealing surface 5 is a plastic sealing surface.
In the embodiment, two sealing surfaces are adopted, and the sealing surface material of the ball valve is widely made of various plastics, so that the sealing performance is good, complete sealing can be realized, and the ball valve is widely used in a vacuum system.
Specifically, the ball valve body is a single-groove ball valve, a double-groove ball valve or a three-groove ball valve.
The utility model discloses in, the single slot ball valve, double flute ball valve or three slot ball valves of saying here are the connected mode of valve tip promptly, can select and decide according to the condition during actual application to satisfy the user demand.
Meanwhile, the ball valve has small fluid resistance, and the full-bore ball valve basically has no flow resistance; the structure is simple, the volume is small, and the weight is light; the operation is convenient, the opening and closing are rapid, the rotation from full opening to full closing is only 90 degrees, and the remote control is convenient; the ball valve is convenient to maintain, simple in structure, and convenient to disassemble and replace, and the sealing rings are generally movable; when the valve is fully opened or fully closed, the sealing surfaces of the ball body and the valve seat are isolated from the medium, and the corrosion of the sealing surface of the valve can not be caused when the medium passes through the sealing surfaces; the application range is wide, the drift diameter is from small to several millimeters, and the drift diameter is from large to several meters, and the device can be applied from high vacuum to high pressure; the ball valve has wiping property in the opening and closing processes, so that the ball valve can be used in a medium with suspended solid particles.
In addition, the sealing surface and the spherical surface of the ball valve are always in a closed state, are not easy to erode by media, are easy to operate and maintain, are suitable for common working media such as water, solvents, acid, natural gas and the like, are also suitable for media with severe working conditions such as oxygen, hydrogen peroxide, methane, ethylene and the like, and are widely applied to various industries. The ball valve body can be integrated or combined. The high-pressure groove ball valve has the action of rotating 90 degrees, and the plug body is a sphere and is provided with a circular through hole or a channel passing through the axis of the sphere. The ball valve is mainly used for cutting off, distributing and changing the flow direction of a medium in a pipeline, and can be closed tightly only by rotating 90 degrees and a small rotating moment.
In conclusion, the high-pressure groove ball valve adopts two sealing surfaces, has good sealing performance and can realize complete sealing; simple structure, small volume, light weight, convenient operation, convenient maintenance and wide application range.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A high-pressure groove ball valve comprises a ball valve body, and is characterized in that the ball valve body comprises a left valve body (1) and a right valve body (2) which are arranged in a bilateral symmetry manner, two valve seats (3) are arranged on the left valve body (1) and the right valve body (2), a ball valve (4) is arranged between the two valve seats (3), and a sealing surface (5) is arranged between each valve seat (3) and each ball valve (4); the top of ball valve (4) is connected with valve rod (6), be equipped with valve gap (7) on ball valve (4), be equipped with between valve gap (7) and valve rod (6) packing (8), be equipped with gland (9) on packing (8).
2. A high-pressure grooved ball valve according to claim 1, characterized in that a first O-ring seal (10) is provided between the packing (8) and the valve cover (7) and the valve stem (6), and the number of the first O-ring seals (10) is three.
3. A high-pressure grooved ball valve according to claim 1, characterized in that a union cap (11) is provided on the packing gland (9), the union cap (11) is connected with the packing gland (9) through bolts (12), and the number of the bolts (12) is four.
4. A high-pressure groove ball valve according to claim 1, characterized in that a second O-ring (13) is provided between each sealing surface (5) and the valve seat (3), and the number of the second O-rings (13) is two.
5. A high-pressure groove ball valve according to claim 4, wherein the sealing surface (5) is a plastic sealing surface.
6. A high pressure grooved ball valve as claimed in claim 1 wherein the ball valve body is a single groove ball valve, a double groove ball valve or a triple groove ball valve.
CN202020747421.1U 2020-05-08 2020-05-08 High-pressure groove ball valve Expired - Fee Related CN212131372U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020747421.1U CN212131372U (en) 2020-05-08 2020-05-08 High-pressure groove ball valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020747421.1U CN212131372U (en) 2020-05-08 2020-05-08 High-pressure groove ball valve

Publications (1)

Publication Number Publication Date
CN212131372U true CN212131372U (en) 2020-12-11

Family

ID=73693015

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020747421.1U Expired - Fee Related CN212131372U (en) 2020-05-08 2020-05-08 High-pressure groove ball valve

Country Status (1)

Country Link
CN (1) CN212131372U (en)

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20201211

CF01 Termination of patent right due to non-payment of annual fee