CN216382651U - Double-seal corrosion-resistant ball valve for natural gas pipeline - Google Patents
Double-seal corrosion-resistant ball valve for natural gas pipeline Download PDFInfo
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- CN216382651U CN216382651U CN202122576951.1U CN202122576951U CN216382651U CN 216382651 U CN216382651 U CN 216382651U CN 202122576951 U CN202122576951 U CN 202122576951U CN 216382651 U CN216382651 U CN 216382651U
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Abstract
The utility model provides a double-seal corrosion-resistant ball valve for a natural gas pipeline, which comprises a valve body, a valve ball, a gland, a driving motor, a valve body connecting plate, a connecting flange, a guide pipe, a connecting threaded hole and a conduction pipe, wherein: the valve ball is embedded in the valve body, one part of the gland is welded above the valve body, and the other part of the gland is arranged below the driving motor through a bolt; the pressing covers are connected through bolts, the valve body connecting plate is welded inside the valve body and connected through bolts, and the connecting flanges are welded at two ends of the valve body; the pipe welding is in flange's one end, and the connecting thread hole sets up in flange's surface, and this conduction pipe sets up in flange's inside. The valve body, the valve ball and the driving motor are arranged, so that the installation is rapid, and air leakage cannot occur.
Description
Technical Field
The utility model belongs to the technical field of ball valves, and particularly relates to a double-seal corrosion-resistant ball valve for a natural gas pipeline.
Background
The opening and closing piece of the ball valve is driven by the valve rod and rotates around the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the build-up welding hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the switching of the flow direction of the medium on the pipeline, and can close any channel to connect the other two channels. The valve is generally installed flatly in the pipeline. The ball valve is divided into: pneumatic ball valves, electric ball valves, manual ball valves.
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. The ball valve is most suitable for being used as a switch and a stop valve, namely a V-shaped ball valve. Besides the parameters of the pipeline, the electric valve should be particularly used under the environmental conditions, and the usage status of the electric valve is greatly influenced by the usage environment because the electric device in the electric valve is an electromechanical device. Under the normal state, the electric ball valve and the butterfly valve need special attention in the following environment, but the existing ball valve still has the problems of inconvenient installation and easy air leakage.
Therefore, the utility model of the double-seal corrosion-resistant ball valve for the natural gas pipeline is very necessary.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a double-seal corrosion-resistant ball valve for a natural gas pipeline, which aims to solve the problems that the existing ball valve is still inconvenient to install and easy to leak gas. The utility model provides a natural gas is dual-seal corrosion-resistant ball valve for pipeline, includes the valve body, the valve ball, the gland, driving motor, the valve body connecting plate, flange, the pipe, connecting thread hole and conduction pipe, wherein: the valve ball is embedded in the valve body, one part of the gland is welded above the valve body, and the other part of the gland is arranged below the driving motor through a bolt; the pressing covers are connected through bolts, the valve body connecting plate is welded inside the valve body and connected through bolts, and the connecting flanges are welded at two ends of the valve body; the pipe welding is in flange's one end, and the connecting thread hole sets up in flange's surface, and this conduction pipe sets up in flange's inside.
The valve body includes a case support body, a valve neck and a valve body sealing layer, and the valve neck is korean forehead to be provided above the case support body, and the valve body sealing layer is bonded to an inner surface of the case support body.
The valve ball comprises a supporting valve rod, a valve ball supporting body and a valve ball sealing layer, the supporting valve rod is connected with a power shaft of a motor inside the driving motor, and the valve ball sealing layer is wrapped on the outer surface of the valve ball supporting body.
The valve body is made of steel metal, a circular space for installing the valve ball is arranged in the valve body, and the valve body can be opened from 1/3 position of the valve body for installing the valve ball; the valve body sealing layer in the valve body is made of wear-resistant engineering plastics, is favorable for serving as a main supporting structure of the utility model and is matched with the valve ball to meet the conduction or closing of a path, and is favorable for being quickly installed in a pipeline through the connecting flange.
The valve ball is a spherical steel metal ball, a via hole is formed in the middle of the valve ball, and a valve ball sealing layer inside the valve ball is made of wear-resistant engineering plastics; the valve ball sealing layer in the valve ball completely wraps the outer surface of the supporting valve rod, so that a sealing effect is provided for the valve, double sealing is realized through the valve ball sealing layer and the valve body sealing layer, and the situation that gas cannot be effectively blocked from flowing through the valve ball sealing layer and the valve body sealing layer when the valve ball is closed is prevented.
The inside motor of driving motor adopts a small-size gas-tight motor, and the axis of rotation of the inside motor of driving motor is connected with the support valve rod, and the rotation of this driving motor accessible self drives the valve ball and rotates, is favorable to replacing the valve rod to drive the valve ball, can reduce the participation of manpower, can carry out remote control, makes more convenient and quick of ooff valve.
Compared with the prior art, the utility model has the following beneficial effects:
1. the valve body is favorable to be used as a main supporting structure of the pipeline.
2. The valve ball is arranged, so that a sealing effect is provided for the valve, double sealing is realized through the valve ball sealing layer and the valve body sealing layer, and the situation that gas cannot be effectively blocked from flowing through the valve ball when the valve ball is closed is prevented.
3. The driving motor is favorable for replacing the valve rod to drive the valve ball, can reduce the participation of manpower, can carry out remote control, and enables the valve to be opened and closed more conveniently and quickly.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the valve body of the present invention.
Fig. 3 is a schematic diagram of the structure of the valve ball of the present invention.
In the figure:
1-a valve body, 11-a shell supporting body, 12-a valve neck, 13-a valve body sealing layer, 2-a valve ball, 21-a supporting valve rod, 22-a valve ball supporting body, 23-a valve ball sealing layer, 3-a gland, 4-a driving motor, 5-a valve body connecting plate, 6-a connecting flange, 7-a guide pipe, 8-a connecting threaded hole and 9-a conducting pipe.
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 double-seal corrosion-resistant ball valve for a natural gas pipeline, which comprises a valve body 1, a valve ball 2, a gland 3, a driving motor 4, a valve body connecting plate 5, a connecting flange 6, a guide pipe 7, a connecting threaded hole 8 and a conduction pipe 9, wherein: the valve ball 2 is embedded in the valve body 1, one part of the gland 3 is welded above the valve body 1, and the other part of the gland 3 is arranged below the driving motor 4 through a bolt; the gland 3 is connected through bolts, the valve body connecting plate 5 is welded inside the valve body 1 and connected through bolts, and the connecting flanges 6 are welded at two ends of the valve body 1; the guide pipe 7 is welded at one end of the connecting flange 6, the connecting threaded hole 8 is formed in the surface of the connecting flange 6, and the conduction pipe 9 is formed inside the connecting flange 6.
The valve body 1 includes a housing support 11, a valve neck 12 and a valve body sealing layer 13, and the valve neck 12 is hanged on the upper side of the housing support 11, and the valve body sealing layer 13 is bonded on the inner surface of the housing support 11.
The valve ball 2 comprises a supporting valve rod 21, a valve ball supporting body 22 and a valve ball sealing layer 23, wherein the supporting valve rod 21 is connected with a power shaft of a motor inside the driving motor 4, and the valve ball sealing layer 23 is wrapped on the outer surface of the valve ball supporting body 22.
The utility model provides a double-seal corrosion-resistant ball valve for a natural gas pipeline, wherein a valve body 1 is made of a steel metal body, a circular space capable of installing a valve ball 2 is arranged in the valve body 1, and the valve body 1 can be opened from 1/3 position of the valve body to install the valve ball 2; the valve body sealing layer 13 in the valve body 1 is made of wear-resistant engineering plastics, is favorable for serving as a main supporting structure of the utility model and is matched with the valve ball 2 to meet the conduction or closing of a path, and is favorable for being quickly installed in a pipeline through the connecting flange 6; the valve ball 2 is a spherical steel metal ball, a via hole is formed in the middle of the valve ball 2, and a valve ball sealing layer 23 inside the valve ball 2 is made of wear-resistant engineering plastics; the valve ball sealing layer 23 in the valve ball 2 completely wraps the outer surface of the supporting valve rod 21, so that a sealing effect is provided for the valve, double sealing is realized through the valve ball sealing layer 23 and the valve body sealing layer 13, and the situation that gas cannot be effectively blocked from flowing when the valve is closed is prevented; the gland 3 is used for fixing the driving motor 4; the internal motor of the driving motor 4 adopts a small-sized gas-proof motor, and the rotating shaft of the motor inside the driving motor 4 is connected with the supporting valve rod 21, and the driving motor 4 can drive the valve ball 2 to rotate through the rotation of the driving motor 4, so that the valve ball 2 can be driven to replace the valve rod, the participation of manpower can be reduced, the remote control can be performed, and the valve can be opened and closed more conveniently and rapidly; the valve body connecting plate 5 is used for dividing the valve body 1 into two parts, so that the valve ball 2 can be conveniently installed; the connecting flange 6 is used for connecting a pipeline; and a conducting pipe 9 for conducting the gas flow.
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 (6)
1. The utility model provides a natural gas line is with two corrosion-resistant ball valves of seal which characterized in that: including valve body (1), valve ball (2), gland (3), driving motor (4), valve body connecting plate (5), flange (6), pipe (7), connecting thread hole (8) and conduction pipe (9), wherein: the valve ball (2) is embedded in the valve body (1), one part of the gland (3) is welded above the valve body (1), and the other part of the gland (3) is installed below the driving motor (4) through a bolt; the pressing covers (3) are connected through bolts, the valve body connecting plate (5) is welded inside the valve body (1) and connected through bolts, and the connecting flanges (6) are welded at two ends of the valve body (1); the guide pipe (7) is welded at one end of the connecting flange (6), the connecting threaded hole (8) is formed in the surface of the connecting flange (6), and the conduction pipe (9) is formed in the connecting flange (6).
2. The dual-seal corrosion-resistant ball valve for a natural gas pipeline according to claim 1, wherein: the valve body (1) comprises a shell supporting body (11), a valve neck (12) and a valve body sealing layer (13), the valve neck (12) is arranged above the shell supporting body (11) in Korean, and the valve body sealing layer (13) is bonded on the inner surface of the shell supporting body (11).
3. The dual-seal corrosion-resistant ball valve for a natural gas pipeline according to claim 1, wherein: the valve ball (2) comprises a supporting valve rod (21), a valve ball supporting body (22) and a valve ball sealing layer (23), the supporting valve rod (21) is connected with a power shaft of a motor inside the driving motor (4), and the valve ball sealing layer (23) wraps the outer surface of the valve ball supporting body (22).
4. The dual-seal corrosion-resistant ball valve for a natural gas pipeline according to claim 1, wherein: the valve body (1) is made of a steel metal body, a circular space capable of installing the valve ball (2) is arranged in the valve body (1), and the valve body (1) can be opened from 1/3 to install the valve ball (2); and the valve body sealing layer (13) in the valve body (1) is made of wear-resistant engineering plastics.
5. The dual-seal corrosion-resistant ball valve for a natural gas pipeline according to claim 1, wherein: the valve ball (2) is a spherical steel metal ball, a via hole is formed in the middle of the valve ball (2), and a valve ball sealing layer (23) inside the valve ball (2) is made of wear-resistant engineering plastics; a valve ball sealing layer (23) inside the valve ball (2) completely wraps the outer surface of the supporting valve rod (21).
6. The dual-seal corrosion-resistant ball valve for a natural gas pipeline according to claim 1, wherein: the internal motor of the driving motor (4) adopts a small-sized gas-proof motor, the rotating shaft of the motor inside the driving motor (4) is connected with the supporting valve rod (21), and the driving motor (4) can drive the valve ball (2) to rotate through the rotation of the driving motor (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122576951.1U CN216382651U (en) | 2021-10-26 | 2021-10-26 | Double-seal corrosion-resistant ball valve for natural gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122576951.1U CN216382651U (en) | 2021-10-26 | 2021-10-26 | Double-seal corrosion-resistant ball valve for natural gas pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216382651U true CN216382651U (en) | 2022-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122576951.1U Active CN216382651U (en) | 2021-10-26 | 2021-10-26 | Double-seal corrosion-resistant ball valve for natural gas pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216382651U (en) |
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2021
- 2021-10-26 CN CN202122576951.1U patent/CN216382651U/en active Active
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