CN213452009U - Pneumatic plug valve - Google Patents
Pneumatic plug valve Download PDFInfo
- Publication number
- CN213452009U CN213452009U CN202022175236.2U CN202022175236U CN213452009U CN 213452009 U CN213452009 U CN 213452009U CN 202022175236 U CN202022175236 U CN 202022175236U CN 213452009 U CN213452009 U CN 213452009U
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- China
- Prior art keywords
- plug valve
- cylinder
- air
- rocker arm
- air supply
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Abstract
The utility model belongs to a pipeline transportation controlling means, concretely relates to pneumatic plug valve. The method comprises the following steps: the plug valve comprises a plug valve body, a rocker arm, a connecting piece, a cylinder and an air supply device; the utility model discloses an install pneumatic means additional for the plug valve to carry out automatic control with the flexible of cylinder, replaced manual operation plug valve, reduced the human cost, and improved punctual efficiency and the accuracy of plug valve switch.
Description
Technical Field
The utility model belongs to a pipeline transportation controlling means, concretely relates to pneumatic plug valve.
Background
In the chemical material pipeline transportation process, partial products are more suitable for the plug valves with simple structures due to the characteristics of the partial products, but the traditional plug valves can only be manually operated by manpower, so that the labor cost is increased, and the production is easily influenced or dangerous because of human errors in the production process.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a pneumatic plug valve, the utility model discloses a realize through following technical scheme:
a pneumatic plug valve, comprising: the plug valve comprises a plug valve body, a rocker arm, a connecting piece, a cylinder and an air supply device;
one end of the rocker arm is fixedly connected with a valve shaft on the plug valve body, and the other end of the rocker arm is movably connected with the piston end of the cylinder;
the cylinder is connected with the plug valve body through a connecting piece;
the air supply device is communicated with an air supply pipeline of the air cylinder.
Furthermore, the rocker arm is provided with two connecting holes, namely a first connecting hole and a second connecting hole, wherein the first connecting hole is axially parallel to the second connecting hole.
Furthermore, a connecting seat is arranged at the end part of the piston end, and the piston end and the rocker arm are movably connected with the first connecting hole through the connecting seat; a clamping groove is formed in the second connecting hole, a buckle is arranged on the valve shaft, and the buckle is embedded into the clamping groove; namely, the second connecting hole is fixedly connected with the valve shaft.
Furthermore, one end of the connecting piece is fixed on the plug valve body; the other end is provided with the connecting axle, the cylinder body end of cylinder is provided with the shaft hole, the cylinder body with the connecting piece passes through connecting axle and shaft hole swing joint.
Further, the air supply device comprises an air compressor, an electromagnetic switching valve, a relay and a PLC (programmable logic controller), wherein the air compressor is communicated to an air inlet of the electromagnetic valve, and two air outlets of the electromagnetic switching valve are respectively connected with two air supply pipelines of the air cylinder; the relay is arranged on a power circuit of the electromagnetic switching valve and is in signal connection with the PLC. Namely, the expansion of the cylinder is automatically controlled by a PLC.
The utility model has the advantages that: the utility model discloses an install pneumatic means additional for the plug valve to carry out automatic control with the flexible of cylinder, replaced manual operation plug valve, reduced the human cost, and improved punctual efficiency and the accuracy of plug valve switch.
Drawings
Figure 1 is a schematic view of an embodiment of the invention with valves open,
figure 2 is a schematic view of a valve according to an embodiment of the present invention,
fig. 3 is a perspective view of an embodiment of the present invention.
The plug valve comprises a plug valve body 1, a rocker arm 2, a connecting piece 3, a cylinder 4, an air supply device 5, a valve shaft 1-1, a piston end 4-1, an air supply pipeline 4-2, a first connecting hole 2-1, a second connecting hole 2-2, a connecting seat 4-11, a connecting shaft 3-1, a cylinder body 4-3, a shaft hole 4-4, an air compressor 5-1 and an electromagnetic switching valve 5-2.
Detailed Description
As shown in fig. 1-3: a pneumatic plug valve comprising: the plug valve comprises a plug valve body 1, a rocker arm 2, a connecting piece 3, a cylinder 4 and an air supply device 5;
one end of the rocker arm 2 is fixedly connected with a valve shaft 1-1 on the plug valve body 1, and the other end is movably connected with a piston end 4-1 of the cylinder 4;
the cylinder 4 is connected with the plug valve body 1 through a connecting piece 3;
the air supply means 5 communicates with the air supply duct 4-2 of the cylinder 4.
The rocker arm 2 is provided with two connecting holes, namely a first connecting hole 2-1 and a second connecting hole 2-2, and the first connecting hole 2-1 and the second connecting hole 2-2 are axially parallel.
The end part of the piston end 4-1 is provided with a connecting seat 4-11, and the piston end 4-1 and the rocker arm 2 are movably connected with a first connecting hole 2-1 through the connecting seat 4-11; a clamping groove is arranged in the hole of the second connection 2-2, and a buckle is arranged on the valve shaft 1-1 and embedded into the clamping groove; namely, the second connecting hole 2-2 is fixedly connected with the valve shaft 1-1.
One end of the connecting piece 3 is fixed on the plug valve body 1; the other end is provided with a connecting shaft 3-1, the tail end of a cylinder body 4-3 of the air cylinder 4 is provided with a shaft hole 4-4, and the cylinder body 4-3 and the connecting piece 3 are movably connected with the shaft hole 4-4 through the connecting shaft 3-1.
The air supply device 5 comprises an air compressor 5-1, an electromagnetic switching valve 5-2, a relay and a PLC (programmable logic controller), wherein the air compressor 5-1 is communicated to an air inlet of the electromagnetic valve, and two air outlets of the electromagnetic switching valve 5-2 are respectively connected with two air supply pipelines 4-2 of the air cylinder 4; the relay is arranged on a power circuit of the electromagnetic switching valve 5-2 and is in signal connection with the PLC. Namely, the expansion and contraction of the air cylinder 4 are automatically controlled by a PLC.
The utility model discloses a use does: through switching the solenoid valve, and then switch gas supply line 4-2, and then control cylinder 4 shrink or stretch and drive rocking arm 2 and rotate, and then control plug valve body 1's closure.
Claims (5)
1. A pneumatic plug valve, comprising: the plug valve comprises a plug valve body, a rocker arm, a connecting piece, a cylinder and an air supply device;
one end of the rocker arm is fixedly connected with a valve shaft on the plug valve body, and the other end of the rocker arm is movably connected with the piston end of the cylinder;
the cylinder is connected with the plug valve body through a connecting piece;
the air supply device is communicated with an air supply pipeline of the air cylinder.
2. The pneumatic plug valve according to claim 1, wherein the rocker arm is provided with two connecting holes, a first connecting hole and a second connecting hole, which are axially parallel to each other.
3. A pneumatic plug valve according to claim 2 wherein the end of the piston end is provided with a connecting socket, the piston end and the rocker arm being movably connected to the first connecting bore by the connecting socket.
4. A pneumatic plug valve according to claim 1 wherein said connector is secured at one end to the piston valve body; the other end is provided with the connecting axle, the cylinder body end of cylinder is provided with the shaft hole, the cylinder body with the connecting piece passes through connecting axle and shaft hole swing joint.
5. The pneumatic plug valve according to claim 1, wherein the air supply device comprises an air compressor, an electromagnetic switching valve, a relay and a PLC (programmable logic controller), the air compressor is communicated to an air inlet of the electromagnetic switching valve, and two air outlets of the electromagnetic switching valve are respectively connected with two air supply pipelines of the air cylinder; the relay is arranged on a power circuit of the electromagnetic switching valve and is in signal connection with the PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022175236.2U CN213452009U (en) | 2020-09-28 | 2020-09-28 | Pneumatic plug valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022175236.2U CN213452009U (en) | 2020-09-28 | 2020-09-28 | Pneumatic plug valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213452009U true CN213452009U (en) | 2021-06-15 |
Family
ID=76282571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022175236.2U Active CN213452009U (en) | 2020-09-28 | 2020-09-28 | Pneumatic plug valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213452009U (en) |
-
2020
- 2020-09-28 CN CN202022175236.2U patent/CN213452009U/en active Active
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