CN220599553U - Pneumatic door linkage opening and closing device - Google Patents
Pneumatic door linkage opening and closing device Download PDFInfo
- Publication number
- CN220599553U CN220599553U CN202321896851.XU CN202321896851U CN220599553U CN 220599553 U CN220599553 U CN 220599553U CN 202321896851 U CN202321896851 U CN 202321896851U CN 220599553 U CN220599553 U CN 220599553U
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- Prior art keywords
- oil
- water separator
- communicated
- main control
- control box
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000002699 waste material Substances 0.000 claims abstract description 13
- 239000007789 gas Substances 0.000 description 15
- 239000000428 dust Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 208000028571 Occupational disease Diseases 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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- Power-Operated Mechanisms For Wings (AREA)
Abstract
The utility model discloses a pneumatic door linkage opening and closing device, which comprises pneumatic push rods, an infrared sensor, a main control box and host equipment, wherein the pneumatic push rods, the infrared sensor, the main control box and the host equipment are positioned at two sides of a door, and the host equipment is of a known control circuit board structure; an oil-water separator is arranged in the main control box, and an air inlet of the oil-water separator is communicated with a main air path; the waste discharge port of the oil-water separator is communicated with a waste discharge pipe, and the air pipe is connected with the air inlet of the oil-water separator; the gas outlet of the oil-water separator is communicated with a connecting pipe, the other end of the connecting pipe is communicated with two branch pipes through a pipeline connecting piece, the branch pipes penetrate out of the main control box and are respectively connected with the pneumatic push rod, gas at the gas outlet of the oil-water separator enters the electromagnetic valve and flows through the tee joint through the pipeline restrictor, the gas is shunted into the pneumatic push rod through the tee joint, and the pneumatic push rod stretches to control the opening and closing of the door; the branch pipes are provided with electromagnetic valves and also provided with pipeline throttlers; the advantages are that: the switch door is powerful and long service life.
Description
Technical Field
The utility model relates to the technical field of door control devices, in particular to a pneumatic door linkage opening and closing device.
Background
The industries such as coal mine, metallurgy, building and the like with dust generation need to be closed in time when personnel enter an operation room, otherwise, the dust is easy to enter, but sometimes people do not close the door in time, such as new operation personnel or other non-operation personnel who do not know about the condition and need to enter, the consciousness of closing the door is not provided, and the risk of entering the dust is greatly increased. The existing door closing device adopts an automatic door closer besides manual door closing, but sometimes the door closing force of the automatic door closer also changes, for example, when wind is large, the outer door may need to have larger door closing force, when wind is small, the required door closing force is smaller, and the door closer is used for a long time, so that the door closing force is weakened, and a gap exists.
Disclosure of Invention
The utility model solves the technical problems and provides a pneumatic door linkage opening and closing device with strong force and long service life.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows: a pneumatic door linkage opening and closing device comprises pneumatic push rods, infrared sensors, a main control box and host equipment which are positioned at two sides of a door, wherein the host equipment is of a known control circuit board structure;
an oil-water separator is arranged in the main control box, and an air inlet of the oil-water separator is communicated with a main air path;
the waste discharge port of the oil-water separator is communicated with a waste discharge pipe, the air pipe is connected with the air inlet of the oil-water separator, impurities in the air are separated by the oil-water separator, and the impurities are discharged from the waste discharge port, so that the oil with the impurities is prevented from entering the electromagnetic valve body and the pneumatic push rod below;
the gas outlet of the oil-water separator is communicated with a connecting pipe, the other end of the connecting pipe is communicated with two branch pipes through a pipeline connecting piece, the branch pipes penetrate out of the main control box and are respectively connected with the pneumatic push rod, gas at the gas outlet of the oil-water separator enters the electromagnetic valve and flows through the tee joint through the pipeline restrictor, the gas is shunted into the pneumatic push rod through the tee joint, and the pneumatic push rod stretches to control the opening and closing of the door;
the branch pipes are provided with electromagnetic valves and also provided with pipeline throttlers;
the control signal line of the electromagnetic valve passes through the main control box and is electrically connected with the host equipment.
Further, the electromagnetic valve is an explosion-proof electromagnetic valve.
Further, the free ends of the main gas path and the waste discharge pipe are both positioned outside the main control box.
Compared with the prior art, the utility model has the advantages that: the electromagnetic valve control circuit is connected through the existing host equipment, the left and right opening and closing of the electromagnetic valve body are controlled by connecting two signal lines in parallel to the explosion-proof electromagnetic valve of the linkage host equipment, the effect of starting or closing the starting pneumatic push rod is achieved, the door can be closed very tightly, timely opening or closing is achieved, a large amount of air with dust is prevented from entering a room, in use, the spreading and spreading of the dust, smoke and gas are effectively prevented, and occupational diseases are reduced or avoided.
Drawings
Fig. 1 is a schematic front view of a pneumatic door opening and closing device according to the present utility model.
Fig. 2 is a schematic circuit diagram of a pneumatic door linkage opening and closing device according to the present utility model.
As shown in the figure: 1. pneumatic push rod, 2, master control case, 3, host computer equipment, 4, oil water separator, 5, main gas circuit, 6, exhaust pipe, 7, connecting pipe, 8, branch pipe, 9, pipeline restrictor, 10, solenoid valve.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, a pneumatic door linkage opening and closing device comprises a pneumatic push rod 1, an infrared sensor, a main control box 2 and a host device 3 which are positioned at two sides of a door, wherein the host device is of a known control circuit board structure. The infrared sensor is arranged in the middle of the upper part of the door frame, so that whether a person is under the door or not can be easily sensed;
an oil-water separator 4 is arranged in the main control box 2, and an air inlet of the oil-water separator 4 is communicated with a main air passage 5;
the waste discharge port of the oil-water separator 4 is communicated with a waste discharge pipe 6, an air pipe is connected with an air inlet of the oil-water separator, impurities in gas are separated through the oil-water separator, purified waste gas is discharged from the waste discharge port, the purpose is to protect the service lives of a solenoid valve body and a pneumatic push rod, oil with impurities is prevented from entering the solenoid valve body and the pneumatic push rod below, and the gas after the gas is purified enters a throttle valve through the solenoid valve and enters the pneumatic push rod through a three-way valve through a pipeline;
the gas outlet of the oil-water separator 4 is communicated with a connecting pipe 7, the other end of the connecting pipe 7 is communicated with two branch pipes 8 through a pipeline connecting piece, the branch pipes 8 penetrate out of the main control box 2 and are respectively connected with the pneumatic push rod 1, gas at the gas outlet of the oil-water separator enters an electromagnetic valve and flows through a tee joint through a pipeline restrictor, the gas is split into the pneumatic push rod through the tee joint, and the pneumatic push rod stretches out and draws back to control the opening and closing of the door;
the branch pipes 8 are provided with electromagnetic valves 10, and the branch pipes 8 are also provided with pipeline throttlers 9;
the control signal line of the electromagnetic valve 10 penetrates out of the main control box 2 and is electrically connected with the host equipment 3.
As one embodiment of the present utility model, the solenoid valve 10 is an explosion-proof solenoid valve.
Further, the free ends of the main gas circuit 5 and the waste discharge pipe 6 are both positioned outside the main control box 2.
When the utility model is embodied, the infrared sensor is arranged in the door frame to sense whether a person is nearby, if the person is nearby, the electromagnetic valve control circuit is connected through the existing host equipment, and the two signal lines are connected to the explosion-proof electromagnetic valve of the linkage host equipment in parallel to control the left and right opening and closing of the electromagnetic valve body, so as to control whether oil in the branch pipeline enters the starting pneumatic push rod or not, thereby realizing the function of starting or closing the starting valve.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (3)
1. The utility model provides a pneumatic door linkage switching device, includes pneumatic push rod (1), infrared inductor, master control case (2), host computer equipment (3) that are located the door both sides, its characterized in that: the novel oil-water separator is characterized in that an oil-water separator (4) is arranged in the main control box (2), an air inlet of the oil-water separator (4) is communicated with a main air passage (5), a waste discharge port of the oil-water separator (4) is communicated with a waste discharge pipe (6), an air outlet of the oil-water separator (4) is communicated with a connecting pipe (7), the other end of the connecting pipe (7) is communicated with two branch pipes (8) through a pipeline connecting piece, the branch pipes (8) penetrate out of the main control box (2) and are respectively connected with a pneumatic push rod (1), electromagnetic valves (10) are arranged on the branch pipes (8), and a pipeline restrictor (9) is further arranged on the branch pipes (8); the control signal line of the electromagnetic valve (10) penetrates out of the main control box (2) and is electrically connected with the host equipment (3).
2. The air-operated door linkage opening and closing device according to claim 1, wherein: the electromagnetic valve (10) is an explosion-proof electromagnetic valve.
3. The air-operated door linkage opening and closing device according to claim 1, wherein: the free ends of the main gas circuit (5) and the waste discharge pipe (6) are both positioned outside the main control box (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321896851.XU CN220599553U (en) | 2023-07-19 | 2023-07-19 | Pneumatic door linkage opening and closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321896851.XU CN220599553U (en) | 2023-07-19 | 2023-07-19 | Pneumatic door linkage opening and closing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220599553U true CN220599553U (en) | 2024-03-15 |
Family
ID=90164107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321896851.XU Active CN220599553U (en) | 2023-07-19 | 2023-07-19 | Pneumatic door linkage opening and closing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220599553U (en) |
-
2023
- 2023-07-19 CN CN202321896851.XU patent/CN220599553U/en active Active
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