CN215861832U - Novel multi-seal ball valve for natural gas pipeline - Google Patents

Novel multi-seal ball valve for natural gas pipeline Download PDF

Info

Publication number
CN215861832U
CN215861832U CN202121578135.8U CN202121578135U CN215861832U CN 215861832 U CN215861832 U CN 215861832U CN 202121578135 U CN202121578135 U CN 202121578135U CN 215861832 U CN215861832 U CN 215861832U
Authority
CN
China
Prior art keywords
connecting shaft
ball valve
valve body
valve
natural gas
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.)
Active
Application number
CN202121578135.8U
Other languages
Chinese (zh)
Inventor
方敏
吴越
周如星
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.)
Valve Biwei Valve Co ltd
Original Assignee
Valve Biwei Valve 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 Valve Biwei Valve Co ltd filed Critical Valve Biwei Valve Co ltd
Priority to CN202121578135.8U priority Critical patent/CN215861832U/en
Application granted granted Critical
Publication of CN215861832U publication Critical patent/CN215861832U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Taps Or Cocks (AREA)

Abstract

The utility model provides a novel multi-seal ball valve for a natural gas pipeline, which comprises a valve body, wherein a first connecting shaft is arranged on the valve body, a handle is arranged at one end of the first connecting shaft, a gasket is arranged at one end of the connecting shaft, and a fixing block is arranged at the lower part of the gasket; an inner cavity is arranged in the valve body, a ball valve is arranged on the inner cavity, a groove is formed in the upper portion of the ball valve, a through hole is formed in the ball valve, and a positioning block is arranged at one end of the connecting shaft. The positioning block is arranged close to the ball valve and is a first end, a second end of the positioning block is fixed on the second connecting shaft, and the positioning block is conical, so that the ball valve can be closed forcibly under the condition that a switch of the ball valve fails.

Description

Novel multi-seal ball valve for natural gas pipeline
Technical Field
The utility model belongs to the technical field of ball valves, and particularly relates to a novel multi-seal ball valve for a natural gas pipeline.
Background
The traditional ball valve comprises a valve body and a valve rod, wherein a flow channel and a ball body are arranged in the valve body, a channel is formed in the middle of the ball body, and the flow channel is opened or closed by utilizing the rotation of the ball body; however, if the ball valve is used for a long time, the problem of corrosion can be caused, or the situation of wire sliding can be caused after the handle is pulled for a plurality of times, and further, when the ball valve needs to be closed, the situation that the ball body in the ball valve is not closed in place in a rotating mode can be caused.
In extreme cases, such as fire, it is necessary to close the valve quickly and completely, but if the ball in the ball valve cannot be closed completely by rotation, the gas in the natural gas pipeline is continuously emitted, thereby further increasing the spread of fire.
Therefore, the utility model is necessary to invent the novel multi-sealing ball valve for the natural gas pipeline.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a novel multi-seal ball valve for a natural gas pipeline, which comprises a valve body, wherein a first connecting shaft is arranged on the valve body, a handle is arranged at one end of the first connecting shaft, a gasket is arranged at one end of the connecting shaft, and a fixed block is arranged at the lower part of the gasket; an inner cavity is arranged in the valve body, a ball valve is arranged on the inner cavity, a groove is arranged at the upper part of the ball valve, and a through hole is arranged on the ball valve; a second connecting shaft is arranged on one side of the valve body, and threads are arranged on the second connecting shaft; one end of the second connecting shaft is provided with a rotary handle; a positioning block is arranged at the other end of the second connecting shaft; and a gas transmission pipeline is arranged on one side of the valve body, mounting plates are arranged at two ends of the gas transmission pipeline, and mounting holes are formed in the mounting plates.
The first connecting shaft enters the inner cavity through the valve body, and a sealing ring is arranged at the position of the first connecting shaft and the valve body.
The fixed block is clamped on the groove of the ball valve.
The second connecting shaft enters the inner cavity through the valve body, a sealing ring is arranged at the position of the second connecting shaft and the valve body, and the second connecting shaft is in threaded connection with the valve body through threads on the second connecting shaft.
Four mounting holes are uniformly distributed on the mounting plate.
The positioning block is conical, the first end of the positioning block is arranged at the ball valve, and the second end of the positioning block is fixed on the second connecting shaft.
Compared with the prior art, the utility model has the following beneficial effects:
1. the positioning block is arranged close to the ball valve and is a first end, a second end of the positioning block is fixed on the second connecting shaft, and the positioning block is conical, so that the ball valve can be closed forcibly under the condition that a switch of the ball valve fails.
2. The arrangement of the fixing block and the groove facilitates turning to the ball valve to open and close the ball valve.
3. According to the arrangement of the first connecting shaft, the first connecting shaft enters the inner cavity through the valve body, and the sealing rings are arranged at the first connecting shaft and the valve body, so that natural gas can be sealed more conveniently, and leakage is not easy to occur.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
fig. 3 is a schematic view of the locating block of the present invention.
In the figure:
1-a valve body, 2-a first connecting shaft, 3-a handle, 4-a gasket, 5-a fixed block, 6-an inner cavity, 7-a ball valve, 8-a through hole, 9-a groove, 10-a second connecting shaft, 11-a thread, 12-a positioning block, 13-a handle, 14-a gas pipeline, 15-a mounting plate and 16-a mounting hole.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
example (b):
as shown in figures 1 to 3
The utility model provides a novel multi-seal ball valve for a natural gas pipeline, which comprises a valve body 1, wherein a first connecting shaft 2 is arranged on the valve body 1, a handle 3 is arranged at one end of the first connecting shaft 2, a gasket 4 is arranged at one end of the connecting shaft 2, and a fixed block 5 is arranged at the lower part of the gasket 4; an inner cavity 6 is arranged in the valve body 1, a ball valve 7 is arranged on the inner cavity, a groove 9 is arranged at the upper part of the ball valve 7, and a through hole 8 is arranged on the ball valve 7; a second connecting shaft 10 is arranged on one side of the valve body 1, and a thread 11 is arranged on the second connecting shaft 10; one end of the second connecting shaft 10 is provided with a rotary handle 13; one end of the second connecting shaft 10 is provided with a positioning block 12; a gas transmission pipeline 14 is arranged on one side of the valve body 1, a mounting plate 15 is arranged at one end of the gas transmission pipeline 14, a mounting hole 16 is arranged on the mounting plate 15, firstly, the handle 3 is held by hand and rotated 90 degrees clockwise, so that the handle 3 drives the first connecting shaft 2, the first connecting shaft 2 enters the inner cavity 6 through a through hole on the valve body 1, a fixing block 5 at the lower end of the first connecting shaft 2 is clamped on a groove 9 on the ball valve 7, further, the handle 3 drives the ball valve 7, the ball valve 7 is opened and closed, the connecting part of the switch and the ball valve 7 is rusted or slippery, the problem is solved by the arrangement of the second connecting shaft 10, the positioning block 12, the thread 11 and the handle 13, the second connecting shaft 10 enters the inner cavity 6 through the thread connection on the valve body 1, the positioning block 12 is arranged at one end of the second connecting shaft 10, the handle 13 is arranged at the other end, this locating piece 12 adopts the toper piece, and the one end that the size is little pushes up in ball valve 7 department, and the one end that the size is big is fixed in the one end of second connecting axle 10, and when the switch of ball valve 7 was out of order, when not having complete closure, clockwise rotation handle 13 made the threaded connection on the screw thread 11 on the second connecting axle 10 and the valve body 1, made locating piece 12 automatic positioning get into in the through-hole 8 of ball valve 7, and then reached and close completely, accomplished better sealed.
First connecting shaft 2 passes through valve body 1 and gets into inner chamber 6, and is equipped with the sealing washer in first connecting shaft 2 and 1 department of valve body, more does benefit to the sealed of natural gas, is difficult for leaking.
The fixing block 5 is clamped on a groove 9 of the ball valve 7 and used for rotating the ball valve to open and close the ball valve.
The second connecting shaft 10 enters the inner cavity 6 through the valve body 1, a sealing ring is arranged at the position of the second connecting shaft 10 and the valve body 1, and the second connecting shaft 10 is in threaded connection with the valve body 1 through threads 11 on the second connecting shaft, so that the natural gas is more favorably sealed, and the natural gas is not easy to leak.
Four mounting holes are uniformly distributed on the mounting plate 15, so that the mounting is more convenient.
The positioning block 12 is conical, the first end of the positioning block is located at the ball valve 7, and the second end of the positioning block is fixed on the second connecting shaft 10, so that the ball valve can be closed conveniently.
Principle of operation
In the utility model, if the ball valve 7 cannot be rotated in place, a certain included angle is formed between the opening direction of the through hole 8 on the ball valve 7 and the positioning block 12, at the moment, the ball valve 7 cannot completely close the gas transmission pipeline 14, the front end of the positioning block 12 penetrates into the opening of the through hole 8 by clockwise rotating the handle 13, the positioning block 12 is propped against the edge of the through hole 8, then the positioning block 12 is continuously jacked forwards, and further, the positioning block 12 is gradually inserted into the through hole 8, and the ball valve 7 is completely centered by utilizing the principle of automatic centering of a conical surface, so that the complete sealing effect is achieved.
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.

Claims (6)

1. The utility model provides a novel ball valve of multiple seal for natural gas line, includes valve body (1), its characterized in that: a first connecting shaft (2) is arranged on the valve body (1), a handle (3) is arranged at one end of the first connecting shaft (2), a gasket (4) is arranged at one end of the first connecting shaft (2), and a fixed block (5) is arranged at the lower part of the gasket (4); an inner cavity (6) is arranged in the valve body (1), a ball valve (7) is arranged on the inner cavity (6), a groove (9) is arranged at the upper part of the ball valve (7), and a through hole (8) is arranged on the ball valve (7); a second connecting shaft (10) is arranged on one side of the valve body (1), and threads (11) are arranged on the second connecting shaft (10); one end of the second connecting shaft (10) is provided with a rotary grip (13), and the other end of the second connecting shaft (10) is provided with a positioning block (12); the valve is characterized in that a gas transmission pipeline (14) is arranged in the middle of the valve body (1), mounting plates (15) are arranged at two ends of the gas transmission pipeline (14), and mounting holes (16) are formed in the mounting plates (15).
2. The multi-seal novel ball valve for a natural gas pipeline according to claim 1, characterized in that: the first connecting shaft (2) enters the inner cavity (6) through the valve body (1), and a sealing ring is arranged at the joint of the first connecting shaft (2) and the valve body (1).
3. The multi-seal novel ball valve for a natural gas pipeline according to claim 1, characterized in that: the fixing block (5) is clamped on the groove (9) of the ball valve (7).
4. The multi-seal novel ball valve for a natural gas pipeline according to claim 1, characterized in that: the second connecting shaft (10) enters the inner cavity (6) through the valve body (1), a sealing ring is arranged at the joint of the second connecting shaft (10) and the valve body (1), and the second connecting shaft is in threaded connection with the valve body (1) through a thread (11) on the second connecting shaft (10).
5. The multi-seal novel ball valve for a natural gas pipeline according to claim 1, characterized in that: four mounting holes are uniformly distributed on the mounting plate (15).
6. The multi-seal novel ball valve for a natural gas pipeline according to claim 1, characterized in that: the positioning block (12) is conical, the first end of the positioning block is arranged at the ball valve (7), and the second end of the positioning block is fixed on the second connecting shaft (10).
CN202121578135.8U 2021-07-12 2021-07-12 Novel multi-seal ball valve for natural gas pipeline Active CN215861832U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121578135.8U CN215861832U (en) 2021-07-12 2021-07-12 Novel multi-seal ball valve for natural gas pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121578135.8U CN215861832U (en) 2021-07-12 2021-07-12 Novel multi-seal ball valve for natural gas pipeline

Publications (1)

Publication Number Publication Date
CN215861832U true CN215861832U (en) 2022-02-18

Family

ID=80333584

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121578135.8U Active CN215861832U (en) 2021-07-12 2021-07-12 Novel multi-seal ball valve for natural gas pipeline

Country Status (1)

Country Link
CN (1) CN215861832U (en)

Similar Documents

Publication Publication Date Title
CN101205977A (en) Double sealing high pressure needle valve
CN215861832U (en) Novel multi-seal ball valve for natural gas pipeline
US2792196A (en) Spherical plug valve
CN208252781U (en) A kind of butterfly valve facilitating installation
CN108869780B (en) Integral double-blocking double-row ball discharging valve
CN208900733U (en) A kind of fast-assembling wafer type butterfly valve
CN210218705U (en) Pressure automatic sealing butterfly valve
CN206274078U (en) A kind of idle call cutoff valve with high sealing performance
CN200993245Y (en) Resilient-sealed ball valve
CN202901354U (en) Refrigerating ball valve
CN207554913U (en) Self sealss resilient gate valve
CN212297621U (en) Pressure reducing valve clack for stop valve and valve rod
CN216430565U (en) Ball valve with replaceable spring
CN217207845U (en) Ball valve
CN206145143U (en) Self sealss central line butterfly valve valve plate
CN216478945U (en) High-pressure needle valve
CN217736409U (en) Quickly-installed stop valve used in high-pressure fluid
CN217207673U (en) Oil drain device for main reducer of airplane
CN204677848U (en) The special Self-fastening high pressure joint of a kind of high pressure needle valve
CN218913752U (en) Leakage-proof stop valve
CN219755484U (en) Plug valve with good sealing performance
CN219082317U (en) Leakage-proof gas self-closing valve
CN215720953U (en) One-way sealing ball valve
CN210196566U (en) Check valve capable of being connected with SAE flange and joint and sealed by conical surface
CN215673652U (en) Soft sealing butterfly valve

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant