阅读说明：本技术 一种燃气泄漏报警自闭阀 (Gas leakage alarm self-closing valve ) 是由 李俊德 于 2021-08-19 设计创作，主要内容包括：本发明公开了一种燃气泄漏报警自闭阀,包括阀体,所述阀体的两侧外壁分别开设有进气口和排气口,且进气口的内壁固定连接有进气管,排气口的内壁固定连接有排气管,所述进气管的外壁远离阀体的一端固定连接有连接头,且连接头的内壁开设有内螺纹,所述阀体内壁的一侧固定连接有隔板,且隔板的顶部外壁和阀体的顶部外壁均开设有通孔,两个所述通孔之间滑动连接有支撑杆,且支撑杆的顶部外壁通过螺栓连接有开关。本发明能够防止由于燃气发生泄漏导致自闭阀的安全系数降低,提高燃气的流动性,便于燃气的快速排出,能够对燃气进行雾化处理使燃气得到充分的燃烧提高燃烧热效率,能够进一步对燃气进行分散处理,以便于提高燃气的雾化效果。(The invention discloses a gas leakage alarm self-closing valve which comprises a valve body, wherein the outer walls of two sides of the valve body are respectively provided with an air inlet and an air outlet, the inner wall of the air inlet is fixedly connected with an air inlet pipe, the inner wall of the air outlet is fixedly connected with an air outlet pipe, one end, far away from the valve body, of the outer wall of the air inlet pipe is fixedly connected with a connector, the inner wall of the connector is provided with an internal thread, one side of the inner wall of the valve body is fixedly connected with a partition plate, the outer wall of the top of the partition plate and the outer wall of the top of the valve body are both provided with through holes, a supporting rod is connected between the two through holes in a sliding mode, and the outer wall of the top of the supporting rod is connected with a switch through a bolt. The invention can prevent the safety factor of the self-closing valve from being reduced due to the leakage of the fuel gas, improve the fluidity of the fuel gas, facilitate the rapid discharge of the fuel gas, atomize the fuel gas to ensure that the fuel gas is fully combusted, improve the combustion heat efficiency, and further disperse the fuel gas so as to improve the atomization effect of the fuel gas.)

1. A gas leakage alarm self-closing valve comprises a valve body (1), wherein the outer walls of two sides of the valve body (1) are respectively provided with an air inlet and an air outlet, the inner wall of the air inlet is fixedly connected with an air inlet pipe (7), the inner wall of the air outlet is fixedly connected with an exhaust pipe (12), one end, far away from the valve body (1), of the outer wall of the air inlet pipe (7) is fixedly connected with a connector (8), the inner wall of the connector (8) is provided with an internal thread, the gas leakage alarm self-closing valve is characterized in that one side of the inner wall of the valve body (1) is fixedly connected with a partition plate (19), the outer walls of the top of the partition plate (19) and the outer wall of the top of the valve body (1) are respectively provided with a through hole, a support rod (9) is slidably connected between the two through holes, the outer wall of the top of the support rod (9) is connected with a switch (5) through a bolt, the outer wall of the top of the valve body (1) is connected with a fixing frame (6) through a bolt, the outer wall of bracing piece (9) has backup pad (18) through bolted connection, and the both sides of backup pad (18) top outer wall and the both sides of bottom outer wall all have electro-magnet (15) through bolted connection, there are iron plate (16) both sides of baffle (19) top outer wall and the both sides of valve body (1) top inner wall all through bolted connection, and looks adaptation between electro-magnet (15) and iron plate (16), the inner wall of valve body (1) is provided with a plurality of gasbags (14), and one side outer wall of gasbag (14) has seted up the bell mouth, the inner wall of bell mouth is provided with the solenoid valve.

2. The gas leakage alarm self-closing valve as claimed in claim 1, wherein the bottom outer wall of the support rod (9) is connected with a magnetic core (29) through a bolt, the bottom outer wall of the magnetic core (29) is connected with a connecting rod (28) through a bolt, and the bottom outer wall of the connecting rod (28) is connected with a plug (10) through a bolt.

3. The gas leakage alarm self-closing valve according to claim 1, characterized in that a through hole is arranged at the intersection of the valve body (1) and the gas inlet pipe (7), and the through hole is matched with the plug (10).

4. The gas leakage alarm self-closing valve as claimed in claim 1, wherein the inner wall of one side of the gas inlet pipe (7) is connected with a fixing rod (11) through a bolt, the outer wall of the fixing rod (11) is connected with a plurality of first magnetic blocks (20) and second magnetic blocks (21) through bolts, and the first magnetic blocks (20) and the second magnetic blocks (21) are alternately distributed.

5. The gas leakage alarm self-closing valve as claimed in claim 4, wherein the outer wall of one side of the first magnetic block (20) is rotatably connected with a plurality of rotating blades (30) through a bearing, and the rotating blades (30) are annularly distributed on one side of the first magnetic block (20).

6. The gas leakage alarm self-closing valve according to claim 1, characterized in that a plurality of first springs (17) are connected between the top outer wall of the supporting plate (18) and the top inner wall of the valve body (1) through bolts.

7. The gas leakage alarm self-closing valve as claimed in claim 1, wherein the inner wall of the exhaust pipe (12) is rotatably connected with two rotating shafts (13) through bearings, the outer wall of the rotating shaft (13) is sleeved with a fixed sleeve (22), and the outer wall of the fixed sleeve (22) is provided with a plurality of blades (23).

8. The gas leakage alarm self-closing valve according to claim 1, wherein a guide plate (26) is fixedly connected to the inner wall of the exhaust pipe (12), a plurality of second springs (25) are connected to the outer wall of one side of the guide plate (26) through bolts, and a filter plate (24) is connected to the outer wall of one side of each second spring (25) through bolts.

9. The gas leakage alarm self-closing valve according to claim 1, wherein a sealing pipe (2) is fixedly connected to an outer wall of one side of the exhaust pipe (12), a fixing hole is formed in an outer wall of the top of the sealing pipe (2), a sealing mechanism (4) is rotatably connected to an inner wall of the fixing hole, an exhaust hole (27) is formed in an outer wall of one side of the sealing mechanism (4), a connecting pipe (3) is fixedly connected to an outer wall of one side of the sealing pipe (2), and an external thread is formed in an outer wall of the connecting pipe (3).

Technical Field

The invention relates to the technical field of self-closing valves, in particular to a gas leakage alarm self-closing valve.

Background

A gas self-closing valve for pipeline is installed on the pipeline of low-pressure gas system, and features that when the pressure of gas supplied to pipeline is low or high, it can be automatically closed without electric power or other external power and manually opened. When the conditions of air supply failure, abnormal air supply, rubber tube falling off and the like occur, the valve is automatically closed to prevent leakage.

When the conventional self-closing valve is operated, although the self-closing valve can be closed in time when gas leaks, a small amount of gas still remains in the self-closing valve, and therefore, when the self-closing valve is opened again, the gas remaining in the self-closing valve leaks out from the interior of the self-closing valve.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a gas leakage alarm self-closing valve.

In order to achieve the purpose, the invention adopts the following technical scheme:

a gas leakage alarm self-closing valve comprises a valve body, wherein the outer walls of two sides of the valve body are respectively provided with an air inlet and an air outlet, the inner wall of the air inlet is fixedly connected with an air inlet pipe, the inner wall of the air outlet is fixedly connected with an exhaust pipe, one end, away from the valve body, of the outer wall of the air inlet pipe is fixedly connected with a connector, the inner wall of the connector is provided with an internal thread, one side of the inner wall of the valve body is fixedly connected with a partition plate, the outer walls of the top of the partition plate and the top of the valve body are respectively provided with a through hole, a support rod is connected between the two through holes in a sliding manner, the outer wall of the top of the support rod is connected with a switch through a bolt, the outer wall of the top of the valve body is connected with a fixed frame through a bolt, the outer wall of the support rod is connected with a support plate through a bolt, the two sides of the outer wall of the top of the support plate and the outer wall of the bottom of the support plate are both sides of the outer wall of the top of the valve body are connected with iron blocks through bolts, and the electromagnet is matched with the iron block, the inner wall of the valve body is provided with a plurality of air bags, the outer wall of one side of each air bag is provided with a tapered hole, and the inner wall of each tapered hole is provided with an electromagnetic valve.

Preferably, the bottom outer wall of the supporting rod is connected with a magnetic core through a bolt, the bottom outer wall of the magnetic core is connected with a connecting rod through a bolt, and the bottom outer wall of the connecting rod is connected with a plug through a bolt.

Preferably, the crossing department of valve body and intake pipe has seted up the opening, and between opening and the end cap looks adaptation.

Preferably, the inner wall of one side of the air inlet pipe is connected with a fixing rod through a bolt, the outer wall of the fixing rod is connected with a plurality of first magnetic blocks and second magnetic blocks through bolts, and the first magnetic blocks and the second magnetic blocks are alternately distributed.

Preferably, the outer wall of one side of the first magnetic block is rotatably connected with a plurality of rotating blades through a bearing, and the rotating blades are annularly distributed on one side of the first magnetic block.

Preferably, a plurality of first springs are connected between the top outer wall of the support plate and the top inner wall of the valve body through bolts.

Preferably, the inner wall of blast pipe is connected with two pivots through the bearing rotation, and the outer wall of pivot cup joints fixed cover, and the outer wall of fixed cover is provided with a plurality of blades.

Preferably, the inner wall of the exhaust pipe is fixedly connected with a guide plate, the outer wall of one side of the guide plate is connected with a plurality of second springs through bolts, and the outer wall of one side of each second spring is connected with a filter plate through bolts.

Preferably, one side outer wall fixedly connected with sealed tube of blast pipe, and the top outer wall of sealed tube has seted up the fixed orifices, and the inner wall of fixed orifices rotates and is connected with sealing mechanism, and the exhaust hole has been seted up to one side outer wall of sealing mechanism, and one side outer wall fixedly connected with connecting pipe of sealed tube, the external screw thread has been seted up to the outer wall of connecting pipe.

The invention has the beneficial effects that:

1. through the arranged air bag and the conical hole, when gas leakage occurs, the gas leakage can be detected through the sensor, signals are transmitted, at the moment, the electromagnet is disconnected, so that the plug is moved downwards under the action of the first spring, the self-closing valve is in a closed state, at the moment, the gas pressure in the self-closing valve is reduced, the electromagnetic valve is opened, the gas pressure in the air bag is higher, therefore, the gas in the self-closing valve enters the air bag through the conical hole, when the self-closing valve is opened again, residual gas cannot leak, when the self-closing valve starts, the gas pressure in the air bag is larger than the gas pressure in the air bag, so that the gas in the air bag is conveyed to the inside of the self-closing valve, and the use safety of the self-closing valve can be improved by absorbing and discharging residual gas through the air bag, the safety factor reduction of the self-closing valve caused by the leakage of the fuel gas is prevented;

2. through the rotating shaft, the fixed sleeve, the blades, the second spring and the filter plate, gas can be in contact with the blades when flowing, the blades can drive the rotating shaft to rotate through acting force generated when the gas flows, so that the flowability of the gas is improved, the gas can be rapidly discharged, meanwhile, the filter plate can be reciprocated under the action of the second spring by wind power generated when the blades rotate, and the flowability of the gas is further improved through the wind power generated when the filter plate swings;

3. through the dead lever that sets up, first magnetic path, second magnetic path and rotation leaf, the gas can contact with first magnetic path and second magnetic path when carrying, the magnetic field that produces through first magnetic path and second magnetic path can carry out atomization treatment to the gas, make the gas obtain abundant burning, improve the thermal efficiency of burning, furthermore, because the size of first magnetic path and second magnetic path is different, therefore, the gas can be distributed flow under the effect of second magnetic path, thereby the gas dispersion that will assemble is opened, when the gas contacts with the rotation leaf simultaneously, the effort through the gas makes the rotation leaf rotate, thereby can further carry out dispersion treatment to the gas, so that improve the atomization effect of gas.

Drawings

FIG. 1 is a schematic view of the overall structure of a gas leakage alarm self-closing valve according to the present invention;

FIG. 2 is a schematic structural diagram of a gas leakage alarm self-closing valve in a three-dimensional cross-sectional view according to the present invention;

FIG. 3 is a schematic cross-sectional structural view of a gas leakage alarm self-closing valve according to the present invention;

FIG. 4 is a schematic structural diagram of a dispersing mechanism of a gas leakage alarm self-closing valve according to the present invention;

FIG. 5 is a schematic structural diagram of a filter mechanism of a gas leakage alarm self-closing valve according to the present invention;

FIG. 6 is a schematic structural view of a sealing mechanism of a gas leakage alarm self-closing valve according to the present invention;

FIG. 7 is a schematic view of a plug structure of a gas leakage alarm self-closing valve provided by the invention;

fig. 8 is a schematic structural diagram of a position A of the gas leakage alarm self-closing valve provided by the invention.

In the drawings: 1-a valve body; 2-sealing the tube; 3-connecting pipe; 4-a sealing mechanism; 5-a switch; 6, fixing a frame; 7-an air inlet pipe; 8-a connector; 9-a support bar; 10-plug; 11-a fixing bar; 12-an exhaust pipe; 13-a rotating shaft; 14-an air bag; 15-an electromagnet; 16-iron blocks; 17-a first spring; 18-a support plate; 19-a separator; 20-a first magnetic block; 21-a second magnetic block; 22-a fixation sleeve; 23-a blade; 24-a filter plate; 25-a second spring; 26-a guide plate; 27-exhaust hole; 28-a connecting rod; 29-a magnetic core; 30-rotating blades.

Detailed Description

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-8, a gas leakage alarm self-closing valve comprises a valve body 1, a sensor is arranged on the outer wall of the valve body 1, an air inlet and an air outlet are respectively arranged on the outer walls of two sides of the valve body 1, an air inlet pipe 7 is welded on the inner wall of the air inlet, an exhaust pipe 12 is welded on the inner wall of the air outlet, a connector 8 is welded on one end of the outer wall of the air inlet pipe 7 away from the valve body 1, an internal thread is arranged on the inner wall of the connector 8, a partition plate 19 is welded on one side of the inner wall of the valve body 1, through holes are respectively arranged on the outer wall of the top of the partition plate 19 and the outer wall of the top of the valve body 1, a support rod 9 is slidably connected between the two through holes, the outer wall of the top of the support rod 9 is connected with a switch 5 through a bolt, the outer wall of the top of the valve body 1 is connected with a fixed frame 6 through a bolt, the outer wall of the support rod 9 is connected with a support plate 18 through a bolt, and the two sides of the outer wall of the top and the bottom outer wall of the support plate 18 are both connected with electromagnets 15 through bolts, the two sides of the outer wall of the top of the partition plate 19 and the two sides of the inner wall of the top of the valve body 1 are both connected with iron blocks 16 through bolts, the electromagnet 15 is matched with the iron blocks 16, the inner wall of the valve body 1 is provided with a plurality of air bags 14, the outer wall of one side of each air bag 14 is provided with a conical hole, the inner wall of each conical hole is provided with an electromagnetic valve, when gas leakage occurs, the gas leakage can be detected through a sensor and signals are transmitted, at the moment, the electromagnet 15 is disconnected, so that the plug 10 is moved downwards under the action of the first spring 17, the self-closing valve is in a closed state, at the moment, the gas pressure in the self-closing valve is reduced, the electromagnetic valve is opened, at the moment, the gas pressure in the air bags 14 is higher, therefore, the gas in the self-closing valve can enter the air bags 14 through the conical holes, and when the self-closing valve is opened again, residual gas cannot leak, when the self-closing valve starts, the gas pressure in the self-closing valve is greater than the gas pressure in the gas bag 14, so that the gas in the gas bag is conveyed to the interior of the self-closing valve, the residual gas is absorbed and discharged through the gas bag 14, the use safety of the self-closing valve can be improved, and the safety factor reduction of the self-closing valve caused by the gas leakage is prevented.

In the invention, the outer wall of the bottom of the support rod 9 is connected with a magnetic core 29 through a bolt, the outer wall of the bottom of the magnetic core 29 is connected with a connecting rod 28 through a bolt, and the outer wall of the bottom of the connecting rod 28 is connected with a plug 10 through a bolt.

In the invention, a through hole is formed at the intersection of the valve body 1 and the air inlet pipe 7, and the through hole is matched with the plug 10.

In the invention, the inner wall of one side of the air inlet pipe 7 is connected with the fixing rod 11 through the bolt, the outer wall of the fixing rod 11 is connected with the plurality of first magnetic blocks 20 and second magnetic blocks 21 through the bolt, the first magnetic blocks 20 and the second magnetic blocks 21 are alternately distributed, and the gas can be atomized through the magnetic fields generated by the first magnetic blocks 20 and the second magnetic blocks 21, so that the gas can be sufficiently combusted, and the combustion heat efficiency is improved.

In the present invention, the outer wall of one side of the first magnetic block 20 is rotatably connected with a plurality of rotating blades 30 through a bearing, and the rotating blades 30 are annularly distributed on one side of the first magnetic block 20, so that when the gas contacts the rotating blades 30, the rotating blades 30 are rotated by the acting force of the gas, thereby further dispersing the gas, so as to improve the atomization effect of the gas.

In the present invention, a plurality of first springs 17 are connected between the top outer wall of the support plate 18 and the top inner wall of the valve body 1 by bolts.

In the invention, the inner wall of the exhaust pipe 12 is rotatably connected with two rotating shafts 13 through bearings, the outer wall of the rotating shaft 13 is sleeved with a fixed sleeve 22, and the outer wall of the fixed sleeve 22 is provided with a plurality of blades 23.

In the present invention, a guide plate 26 is welded to the inner wall of the exhaust pipe 12, and a plurality of second springs 25 are connected to the outer wall of one side of the guide plate 26 by bolts, and a filter plate 24 is connected to the outer wall of one side of the second springs 25 by bolts.

According to the invention, the sealing pipe 2 is welded on the outer wall of one side of the exhaust pipe 12, the outer wall of the top of the sealing pipe 2 is provided with a fixing hole, the inner wall of the fixing hole is rotatably connected with the sealing mechanism 4, the outer wall of one side of the sealing mechanism 4 is provided with the exhaust hole 27, the outer wall of one side of the sealing pipe 2 is welded with the connecting pipe 3, and the outer wall of the connecting pipe 3 is provided with external threads.

The working principle is as follows: when the self-closing valve is used, the self-closing valve is installed through the connector 8, the electromagnetic valves 15 on two sides of the top of the supporting plate 18 are started, so that the electromagnetic valves 15 are in contact with the iron block 16, the plug 10 is lifted, meanwhile, the sealing mechanism 4 is screwed, the exhaust hole 27 and the exhaust pipe 12 are in a parallel state, so that the self-closing valve is in an open state, gas is conveyed to the inner wall of the valve body 1 through the air inlet pipe 7 and is exhausted through the exhaust pipe 12, when gas leakage occurs, the gas leakage is detected through the sensor, signals are transmitted, at the moment, the electromagnet 15 is disconnected, so that the plug 10 is moved downwards under the action of the first spring 17, so that the self-closing valve is in a closed state, at the moment, the gas pressure inside the self-closing valve is reduced, and because the air pressure inside the air bag 14 is higher, the gas inside the self-closing valve enters the air bag 14 through the tapered hole, therefore, when the self-closing valve is opened again, residual gas cannot leak, when the self-closing valve starts, the gas pressure in the self-closing valve is greater than the gas pressure in the gas bag 14, so that the gas in the gas bag can be conveyed to the inside of the self-closing valve, the use safety of the self-closing valve is improved, the reduction of the safety factor of the self-closing valve caused by the gas leakage is prevented, the gas can be contacted with the blade 23 when flowing, the blade 23 can drive the rotating shaft 13 to rotate through the acting force generated when the gas flows, the flowability of the gas is improved, the gas can be discharged quickly, meanwhile, the filter plate 24 can be reciprocated and swung under the action of the second spring 25 by wind power generated when the blade 23 rotates, the flowability of the gas is further improved through the wind power generated when swinging, the gas can be contacted with the first magnetic block 20 and the second magnetic block 21 when being conveyed, the magnetic field that produces through first magnetic path 20 and second magnetic path 21 can carry out atomization treatment to the gas, make the gas obtain abundant burning, improve the combustion heat efficiency, in addition, because the size of first magnetic path 20 and second magnetic path 21 is different, therefore, the gas can be distributed flow under the effect of second magnetic path 21, thereby the gas that will assemble is dispersed and is separated, when the gas contacts with rotating vane 30 simultaneously, effort through the gas makes rotating vane 30 rotate, thereby can further carry out dispersion treatment to the gas, so that improve the atomization effect of gas.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.