CN218468254U - Electromagnetic control gas cutting device - Google Patents
Electromagnetic control gas cutting device Download PDFInfo
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- CN218468254U CN218468254U CN202222814879.6U CN202222814879U CN218468254U CN 218468254 U CN218468254 U CN 218468254U CN 202222814879 U CN202222814879 U CN 202222814879U CN 218468254 U CN218468254 U CN 218468254U
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- iron core
- cut
- valve
- valve rod
- positioning sleeve
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Abstract
The utility model belongs to the technical field of gas safety equipment, specific say a gas cutting device of electromagnetic type control. The structure includes: the valve comprises a valve body with a built-in valve port, a cut-off valve rod arranged on one side of the valve port, an electromagnetic coil electrically connected with an alarm, a fixed iron core and a movable iron core arranged in the electromagnetic coil, wherein the cut-off valve rod is connected with an external positioning sleeve through a locking mechanism; the electromagnetic control gas cut-off device can be linked with an intelligent alarm system, has multiple cut-off signals and has the advantages of sensitive induction and quick cut-off.
Description
Technical Field
The utility model belongs to the technical field of gas safety equipment, specific saying relates to a gas cutting device of electromagnetic type control.
Background
The gas pressure regulator is a valve in the gas pipeline, and plays the role of pressure reduction and pressure stabilization. Along with the progress of gas pressure regulator technique, the pressure regulator that has the shutdown function develops, if the gas pressure regulator breaks down, gas safety trip valve will automatic cutout gas supply, guarantees the safety of gas pressure regulator low reaches pipeline.
A general shut-off valve is arranged in front of the pressure regulator, one end of the pressure taking pipe is connected to the downstream position of the pressure regulator on the gas pipeline, and the other end of the pressure taking pipe is connected to the shut-off valve; the pressure regulator has the functions of reducing pressure and stabilizing outlet pressure, and is a device for reducing high pressure to lower pressure, and can automatically adjust the size of a valve port to be stabilized in a set pressure range when inlet pressure or outlet load changes in a rated pressure and flow range; the cut-off valve has automatic control, and whether closed cut-off gas circuit is decided through the transmission pressure signal of the pressure sampling pipe.
The valve body of the existing safety shut-off valve is provided with a gas inlet and a gas outlet, a shut-off valve port is arranged in a connecting passage of the gas inlet and the gas outlet, and the shut-off valve port is sealed by an actuated shut-off valve pad component, so that a shut-off function is realized; and the cut-off valve body can not be linked with the existing alarm detection system, and the intelligent application degree is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can with intelligent alarm system linkage, the many changes of cutting signal and response sensitive, cut off fast electromagnetic type control's gas cutting device.
In order to achieve the above object, the utility model adopts the following technical scheme:
an electromagnetically controlled gas shutoff device, characterized in that: the electromagnetic valve comprises a valve body with a built-in valve port, a cut-off valve rod arranged on one side of the valve port, an electromagnetic coil electrically connected with an alarm, a fixed iron core and a movable iron core arranged in the electromagnetic coil, wherein the cut-off valve rod is connected with an external positioning sleeve through a locking mechanism, the movable iron core moves to disable the locking mechanism after the electromagnetic coil is electrified, the cut-off valve rod moves under the action of a pre-pressing spring, and a valve clack at the end part of the cut-off valve rod seals the valve port.
The additional technical features constituting the electromagnetically controlled gas shutoff device described above further include:
the locking mechanism comprises a groove arranged on the rod body of the cut-off valve rod and a through hole arranged on the body of the positioning sleeve, the groove and the through hole are clamped and fixed through steel balls, the movable iron core is movably sleeved outside the positioning sleeve, a concave cavity is arranged on the inner side of the movable iron core, and after the concave cavity corresponds to the through hole of the positioning sleeve, the steel balls are separated from the groove of the cut-off valve rod under the action of a pre-pressing spring;
the fixed iron core is fixed at the end part of the electromagnetic coil through a screwing nut, a return spring is arranged between the fixed iron core and the movable iron core, the cut-off valve rod penetrates through the movable iron core and the fixed iron core, and the outer end part of the cut-off valve rod is provided with a return handle;
a magnetism isolating pipe is arranged on the inner side of the electromagnetic coil, the fixed iron core and the movable iron core are arranged in the magnetism isolating pipe, one part of the positioning sleeve is arranged in the plugging cover plate, and the other part of the positioning sleeve is wrapped by the magnetism isolating pipe;
the plugging cover plate is fixedly assembled with the valve body, a boss is arranged on the inner side of the plugging cover plate, and a pre-pressing spring for driving the cut-off valve rod is arranged between the boss and the valve clack;
a pressure regulator body is arranged on the valve body, is positioned on the other side of the valve port and corresponds to the cut-off valve rod;
the alarm comprises a detection unit consisting of a pressure sensor, a temperature sensor or a gas concentration sensor, and a controller connected with the detection unit, wherein the controller is electrically connected with the audible and visual alarm unit and the electromagnetic coil.
Compared with the prior art, the utility model provides a gas cutting device of electromagnetic type control has following advantage: the electromagnetic type fuel gas cut-off device has the advantages of high automation degree, strong safety and durability, simpler and more compact structure, low manufacturing cost and good market popularization value compared with the traditional fuel gas cut-off valve.
Drawings
Fig. 1 is a schematic structural view of a valve rod main body of an electromagnetic control fuel gas shutoff device of the present invention;
FIG. 2 is a schematic structural diagram of the electromagnetic controlled gas shutoff device;
fig. 3 is a schematic view of the electromagnetic controlled gas shutoff device integrally assembled with a gas pressure regulator.
Detailed Description
The structure and the operation principle of the electromagnetic controlled gas shutoff device according to the present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the structure of the electromagnetic controlled gas shutoff device according to the present invention is schematically illustrated. The structure of the electromagnetic gas cut-off device comprises a valve body 2 with a built-in valve port 11, a cut-off valve rod 31 arranged on one side of the valve port 11, an electromagnetic coil 51 electrically connected with an alarm 4, a fixed iron core 52 and a movable iron core 53 arranged in the electromagnetic coil 51, wherein the cut-off valve rod 31 is connected with an external positioning sleeve 32 through a locking mechanism, the movable iron core 53 moves to disable the locking mechanism after the electromagnetic coil 51 is electrified, the cut-off valve rod 31 moves under the action of a pre-pressing spring 33, and a valve clack 30 at the end part of the cut-off valve rod seals the valve port 11.
The working principle is as follows: the cut-off valve rod 31 of the cut-off device 10 is connected with the positioning sleeve 32 outside the cut-off device through the locking mechanism to realize the initial opening state, the electromagnetic coil 51 is electrically connected with the alarm 4, the pulse signal is received, the circuit is switched on and off to lead the movable iron core 53 and the fixed iron core 52 inside the cut-off device to move relatively, the movable iron core 53 moves to disable the locking mechanism, the cut-off valve rod 31 moves under the action of the pre-pressing spring 33, the valve clack 30 at the end part of the cut-off device seals the valve port 11, and the cut-off action is completed.
In the structure constituting the electromagnetic gas shutoff device described above,
in one embodiment, the locking mechanism includes a groove 61 disposed on the shaft of the cut-off valve rod 31 and a through hole 62 disposed on the tube body of the positioning sleeve 32, the groove 61 and the through hole 62 are fastened and fixed by steel balls 63, the movable iron core 53 is movably sleeved outside the positioning sleeve 32, a concave cavity 64 (the concave cavity 64 is annular) is disposed on the inner side of the movable iron core 53, after the concave cavity 64 corresponds to the through hole 62 of the positioning sleeve 32, the cut-off valve rod 31 is pushed to move under the action of the pre-pressing spring 33, the steel balls 63 are separated from the groove 61 of the cut-off valve rod 31 and enter between the through hole 62 on the tube body of the positioning sleeve 32 and the concave cavity 64 on the inner side of the movable iron core 53, so that the locking state of the cut-off valve rod 31 and the positioning sleeve 32 is released;
furthermore, the fixed iron core 52 is fixed at the end of the electromagnetic coil 51 by screwing the nut 54, the return spring 55 is arranged between the fixed iron core 52 and the movable iron core 53, the cut-off valve rod 31 penetrates through the movable iron core 53 and the fixed iron core 52, the outer end part of the cut-off valve rod is provided with the return handle 56, namely, after the electromagnetic coil 51 is electrified, the movable iron core 53 is adsorbed on the fixed iron core 52, the return spring 55 is in a compressed state, the cut-off valve rod 31 is unlocked and slides relative to the positioning sleeve 32, and the safety cut-off action is completed, after the danger is eliminated, the return handle 56 is pulled, the cut-off valve rod 31 retracts, and after the groove 61 on the rod body of the cut-off valve rod again corresponds to the through hole 62 on the positioning sleeve 32, the return spring 55 pushes the movable iron core 53 to move, so that the steel ball 63 returns to the position between the groove 61 of the cut-off valve rod 31 and the through hole 62 of the positioning sleeve 32 again, and the clamping and the locking is completed;
preferably, the magnet isolation tube 57 is disposed inside the electromagnetic coil 51, the fixed iron core 52 and the movable iron core 53 are disposed in the magnet isolation tube 57, one part of the positioning sleeve 32 is disposed in the blocking cover plate 71, and the other part of the positioning sleeve is wrapped by the magnet isolation tube 57, and the magnet isolation tube 57 forms a main working magnetic circuit, i.e., a working stroke (air gap) and an iron core magnetic circuit, so that the periphery of the working stroke is nonmagnetic, and working magnetic flux beams are ensured to pass through the iron core to reduce magnetic leakage, the iron core is good in magnetism, small in excitation current and sensitive in signal induction, and the working medium and the coil component are isolated from each other, so that the working medium is not leaked;
furthermore, the plugging cover plate 71 is assembled and fixed with the valve body 2, so that the cutting device 10 is positioned on the valve body 2, a boss 72 is arranged on the inner side of the plugging cover plate 71, sealing rubber rings 73 are arranged at the assembly connection part of the boss 72 and the valve body 2 and the connection part of the positioning sleeve 32 and the plugging cover body 71 to realize sealing connection, a pre-pressing spring 33 for driving the cutting valve rod 31 is arranged between the boss 72 and the valve clack 30, a recess is arranged in the center of the boss 72, a flange is arranged at the end part of the valve clack 30, and the pre-pressing is fixed between the recess and the flange;
as shown in fig. 3, the pressure regulator body 8 is mounted on the valve body 2, the pressure regulator body 8 is located on the other side of the valve port 11 and corresponds to the cut-off valve rod 31, for example, the valve rod assembly 81 of the pressure regulator body 8 is located on one side of the air inlet of the valve port 11, the air inlet end of the valve body 2 is provided with a gas pipeline joint a, the cut-off valve rod 31 is located on one side of the air outlet of the valve port 11, and the air outlet end of the valve body 2 is provided with a cut-off valve b, so that the function integration of the cut-off device 10 and the pressure regulator 8 is realized, and a novel gas pressure regulating device with an electromagnetic cut-off function is formed;
preferably, the alarm 4 includes a detection unit 41 formed by a pressure sensor, a temperature sensor or a gas concentration sensor, which can sense various danger signals, such as fire, small-part gas leakage, and excessive flow, and the controller 42 connected to the detection unit 41 is electrically connected to the sound and light alarm unit 43 and the electromagnetic coil 51, and the controller 42 sends a pulse signal to the electromagnetic coil 51 to realize the adsorption of the movable iron core 53 and the fixed iron core 52 therein, so that the safety cut-off operation is completed after the cut-off valve rod 31 is unlocked, and sends an instruction to the sound and light alarm unit 43 (a speaker and a warning light) to send alarm information.
Claims (7)
1. An electromagnetically controlled gas shutoff device, characterized in that: the valve comprises a valve body with a built-in valve port, a cut-off valve rod arranged on one side of the valve port, an electromagnetic coil electrically connected with an alarm, a fixed iron core and a movable iron core which are arranged in the electromagnetic coil, wherein the cut-off valve rod is connected with an external positioning sleeve through a locking mechanism, the movable iron core moves to disable the locking mechanism after the electromagnetic coil is electrified, the cut-off valve rod moves under the action of a pre-pressing spring, and a valve clack at the end part of the cut-off valve rod closes the valve port.
2. An electromagnetically controlled gas shut-off device as claimed in claim 1, wherein: the locking mechanism comprises a groove arranged on the rod body of the cutting valve rod and a through hole arranged on the positioning sleeve body, the groove and the through hole are clamped and fixed through steel balls, the movable iron core is movably sleeved outside the positioning sleeve, a concave cavity is arranged on the inner side of the movable iron core, and after the concave cavity corresponds to the through hole of the positioning sleeve, the steel balls are separated from the groove of the cutting valve rod under the action of a pre-pressing spring.
3. An electromagnetically controlled gas shut-off device as claimed in claim 2, wherein: the fixed iron core is fixed at the end part of the electromagnetic coil through a screwed nut, a reset spring is arranged between the fixed iron core and the movable iron core, the cut-off valve rod penetrates through the movable iron core and the fixed iron core, and the end part of the cut-off valve rod is provided with a reset handle.
4. An electromagnetically controlled gas shutoff device as claimed in claim 2, wherein: the inner side of the electromagnetic coil is provided with a magnetism isolating pipe, the fixed iron core and the movable iron core are arranged in the magnetism isolating pipe, one part of the positioning sleeve is arranged in the plugging cover plate, and the other part of the positioning sleeve is wrapped by the magnetism isolating pipe.
5. An electromagnetically controlled gas shut-off device as claimed in claim 4, wherein: the plugging cover plate is fixedly assembled with the valve body, a boss is arranged on the inner side of the plugging cover plate, and a pre-pressing spring for driving the cut-off valve rod is arranged between the boss and the valve clack.
6. An electromagnetically controlled gas shut-off device as claimed in claim 1, wherein: the valve body is provided with a pressure regulator body, the pressure regulator body is positioned on the other side of the valve port and corresponds to the cut-off valve rod.
7. An electromagnetically controlled gas shut-off device as claimed in claim 1, wherein: the alarm comprises a detection unit consisting of a pressure sensor, a temperature sensor or a gas concentration sensor, and a controller connected with the detection unit, wherein the controller is electrically connected with the audible and visual alarm unit and the electromagnetic coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222814879.6U CN218468254U (en) | 2022-10-21 | 2022-10-21 | Electromagnetic control gas cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222814879.6U CN218468254U (en) | 2022-10-21 | 2022-10-21 | Electromagnetic control gas cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218468254U true CN218468254U (en) | 2023-02-10 |
Family
ID=85147694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222814879.6U Active CN218468254U (en) | 2022-10-21 | 2022-10-21 | Electromagnetic control gas cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218468254U (en) |
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2022
- 2022-10-21 CN CN202222814879.6U patent/CN218468254U/en active Active
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