CN214838643U

CN214838643U - Self-checking type intelligent gas self-closing valve

Info

Publication number: CN214838643U
Application number: CN202120667168.3U
Authority: CN
Inventors: 曾旋
Original assignee: Hainan Free Trade Zone Yurisheng Industrial Co ltd
Current assignee: Hainan Free Trade Zone Yurisheng Industrial Co ltd
Priority date: 2021-03-28
Filing date: 2021-03-28
Publication date: 2021-11-23
Anticipated expiration: 2031-03-28

Abstract

Self-checking formula intelligence gas self-closing valve by lower casing, ring riveting steel ring, diaphragm, go up casing, gasket, actuating lever, flat head screw, fixation nut, air inlet, gas outlet, opening device, accuse flow device, closing device, lever means, pressure limiting device and intelligent closing device constitute its characterized in that: a closing device is arranged at the air inlet end of the lower shell, and a flow control device is additionally arranged at the front end of the closing device and is matched with the lever device; a diaphragm is arranged between the upper shell and the lower shell, and a flat-head screw is arranged at the center of the upper end of the diaphragm and matched with the opening device; the lower end of the diaphragm is connected with the pressure limiting device and is matched with the closing device through the lever device; an opening device which can automatically reset is arranged at the center of the top end of the upper shell and is matched with the pressure limiting device through an opening rod; an intelligent closing device is arranged on the starting rod and is matched with the alarm. The utility model discloses simple structure, technical performance is good, safe and reliable, and is durable.

Description

Self-checking type intelligent gas self-closing valve

The technical field is as follows: the utility model relates to a prevent that pipeline gas from leaking a little, the superpressure, under-voltage, overtemperature and rubber tube drop, break the accident such as lead to the gas leak a little and the automatic safety device that the superflow was revealed, the utility model discloses a technique can be applied to and makes special relief valve series product of gas trade. When the gas leaks slightly, the gas can be found in time, and the micro-leakage is avoided; when the accidents of overpressure, underpressure, overtemperature, micro leakage and overflow leakage occur to the gas, the device can be automatically closed, the gas source is cut off, the gas leakage and fire explosion accidents are prevented, and the gas using safety is guaranteed to the maximum extent.

Background art: along with the development of society, the wide application of new forms of energy, gas has become the essential fuel energy in industry and life, and in the resident use gas process, almost all day all there is the emergence of various leakage, poisoning, catching fire or explosion accident, especially because of gas microleakage or gas pressure regulator pressure regulating out of control and flexible glue pipe drop, break etc. and the poisoning that causes, catching fire or explosion accident are many, has seriously influenced the harmonious stability of society, the utility model discloses an application in civilian gas can prevent the emergence of accident effectively, reduces loss of property, protection life safety, improvement quality of life.

The invention content is as follows: the utility model relates to a can have the microleakage to carry out accurate detection to the pipeline, to superpressure, under-voltage, overtemperature, microleakage and overflow leak the safety arrangement that can self-closing.

In order to achieve the above invention contents, the technical scheme of the utility model is as follows:

self-checking formula intelligence gas self-closing valve comprises lower casing 1, ring riveting steel ring 2, diaphragm 3, upper housing 4, gasket 5, actuating lever 7, flat head screw 12, fixation nut 13, air inlet 16, gas outlet 33, opening device, accuse stream device, closing device, lever means, voltage limiting device and intelligent closing device, its characterized in that: a closing device is arranged at the air inlet 16 end of the lower shell 1, and a flow control device is additionally arranged at the front end of the closing device and matched with a lever device; a diaphragm 3 is arranged between the upper shell 4 and the lower shell 1, a flat-head screw 12 is arranged at the center of the upper end of the diaphragm 3, and is positioned and fixed by a gasket 5 and a fixing nut 13 and matched with an opening device; the lower end of the diaphragm 3 is connected with a pressure limiting device and is matched with a closing device through a lever device; an opening device which can automatically reset is arranged at the center of the top end of the upper shell 4 and is matched with the pressure limiting device through an opening rod 7; an intelligent closing device is arranged on the starting rod 7 and is matched with the alarm.

The technical scheme of the utility model still include:

the self-checking intelligent gas self-closing valve is characterized in that the opening device is composed of a starting button 6, a return spring cover 10 and a return spring 11, wherein one end of the return spring 11 is sleeved on the starting button 6, and the other end of the return spring is sleeved on the return spring cover 10.

The self-checking intelligent gas self-closing valve is characterized in that the flow control device consists of a flow control sleeve 14, a flow adjusting screw 15, a rubber closing sheet 17, arc-shaped rubber ribs 18, a flow control port 19 and a flow control base 20, wherein the rubber closing sheet 17 is formed by fixing two arc-shaped rubber ribs 18 at the center of the flow control base 20 and mutually matching with the flow control port 19 arranged at the center of the flow control base 20 to effectively control rated flow and closed flow; the flow adjusting screw 15 is arranged at the upper end of a rubber closing sheet 17 at the central position of the flow control sleeve 14 and is used for adjusting rated flow and closing flow.

The self-checking intelligent gas self-closing valve is characterized in that a closing device is composed of closing glue 21, a closing opening 22 and a closing rod 23, wherein the closing glue 21 is sleeved at one end of a round flat head of the closing rod 23, the closing rod 23 filled with the closing glue 21 is installed from the end of the closing opening 22, and the closing glue 21 and the closing opening 22 can be ensured to be in gapless fit.

The self-checking intelligent gas self-closing valve is characterized in that a lever device is composed of a lever seat 24, a fixing pin 25 and a lever 26, wherein the lever 26 is fixed on the lever seat 24 through the fixing pin 25, and the lever 26 is ensured to flexibly rotate without clamping stagnation.

The self-checking intelligent gas self-closing valve is characterized in that the pressure limiting device consists of a temperature control pin 27, a screw 28, a guide groove 29, a positioning gasket 30, a magnet 31 and a magnet seat 32, wherein the magnet 31 is fixed at the central part of one end of the magnet seat 32 through the screw 28, the other end of the magnet is positioned in the guide groove 29 through the positioning gasket 30, and the magnet seat 32 is ensured to move up and down in the guide groove 29 without clamping stagnation; the temperature control pin 27 is fixed at the U-shaped opening at the other end of the magnet holder 32 and seals the U-shaped opening.

The self-checking intelligent gas self-closing valve is characterized in that the intelligent closing device is composed of a small motor 9 and a motor rotating blade 8, wherein the small motor 9 is fixed at the center of the starting rod 7, and the membrane 3 is separated from the pressure limiting device by rotating the upper pull starting rod 7 through the motor rotating blade 8.

The utility model has the advantages that: when the gas leaks slightly, the gas can be found in time, and the micro-leakage is avoided; when the gas takes place that microleakage, super flow leak, under-voltage, overtemperature or because of the pressure regulating is out of control when the super atmospheric pressure appears, the utility model discloses self-checking formula intelligence gas self-closing valve can the self-closing gas, ensures user's gas safety. The utility model discloses simple structure, excellent performance, the practicality is strong, safe and reliable, durable.

Description of the drawings: FIG. 1 is a schematic structural diagram of a self-checking intelligent gas self-closing valve.

In the figure, 1, a lower shell, 2, a ring riveting steel ring, 3, a diaphragm, 4, an upper shell, 5, a gasket, 6, a starting button, 7, a starting rod, 8, a motor rotating blade, 9, a small motor, 10, a return spring cover, 11, a return spring, 12, a flat head screw, 13, a fixing nut, 14, a flow control sleeve, 15, a flow adjusting screw, 16, an air inlet, 17, a rubber closing sheet, 18, an arc-shaped rubber rib, 19, a flow control opening, 20, a flow control base, 21, closing rubber, 22, a closing opening, 23, a closing rod and 24 are arranged. The device comprises a lever seat, 25 parts of a fixing pin, 26 parts of a lever, 27 parts of a temperature control pin, 28 parts of a screw, 29 parts of a guide groove, 30 parts of a positioning gasket, 31 parts of a magnet, 32 parts of a magnet seat and 33 parts of an air outlet.

The specific implementation mode is as follows: referring to the drawings, the utility model discloses self-checking formula intelligence gas self-closing valve comprises lower casing 1, ring riveting steel ring 2, diaphragm 3, last casing 4, gasket 5, actuating lever 7, flat head screw 12, fixation nut 13, air inlet 16, gas outlet 33, opening device, accuse flow device, closing means, lever means, voltage limiting device and intelligent closing means. The opening device comprises a starting button 6, a return spring cover 10 and a return spring 11, wherein one end of the return spring 11 is sleeved on the starting button 6, and the other end of the return spring is sleeved on the return spring cover 10. The flow control device comprises a flow control sleeve 14, a flow adjusting screw 15, a rubber closing sheet 17, arc-shaped rubber ribs 18, a flow control port 19 and a flow control base 20, wherein the rubber closing sheet 17 is formed by fixing two arc-shaped rubber ribs 18 at the center of the flow control base 20 and mutually matching with the flow control port 19 arranged at the center of the flow control base 20 to effectively control rated flow and closed flow; the flow adjusting screw 15 is arranged at the upper end of a rubber closing sheet 17 at the central position of the flow control sleeve 14 and is used for adjusting rated flow and closing flow. The closing device comprises a closing rubber 21, a closing opening 22 and a closing rod 23, wherein the closing rubber 21 is sleeved at one end of a round flat head of the closing rod 23, the closing rod 23 filled with the closing rubber 21 is installed from the end of the closing opening 22, and the closing rubber 21 and the closing opening 22 can be ensured to be in gapless fit. The lever device comprises a lever seat 24, a fixing pin 25 and a lever 26, wherein the lever 26 is fixed on the lever seat 24 by the fixing pin 25, and the lever 26 is ensured to flexibly rotate without clamping stagnation. The pressure limiting device comprises a temperature control pin 27, a screw 28, a guide groove 29, a positioning gasket 30, a magnet 31 and a magnet seat 32, wherein the magnet 31 is fixed at the central part of one end of the magnet seat 32 by the screw 28, the other end of the magnet seat is positioned in the guide groove 29 by the positioning gasket 30, and the magnet seat 32 is ensured to move up and down in the guide groove 29 without clamping stagnation; the temperature control pin 27 is fixed at the U-shaped opening at the other end of the magnet holder 32 and seals the U-shaped opening. The intelligent closing device comprises a small motor 9 and a motor rotating blade 8, wherein the small motor 9 is fixed at the central part of the starting rod 7, and the diaphragm 3 is separated from the pressure limiting device by rotating the starting rod 7 through the motor rotating blade 8.

The utility model discloses self-checking formula intelligence gas self-closing valve is in the closed condition before using the closed system, and the during operation is gone up and is pulled open the start button 6 of opening the device, and the opening 22 is opened to the closing, and in the gas got into the casing from closing opening 22, diaphragm 3 upwards heaved under the effect of gas pressure, closed 23 movements of pole through lever 26 drive, closed glue 21 and the separation of closing opening 22, and the gas gets into from closing opening 22, exports from gas outlet 33, its normal work. When the upper pull starting rod 7 starts the micro-leakage closing function, the diaphragm 3 is separated from the pressure limiting device, if the starting rod 7 falls, the pipeline has micro-leakage, otherwise, the starting rod 7 does not fall, the pipeline does not have micro-leakage, and the micro-leakage self-detection protection is realized; when the gas pressure exceeds a set value, the gas pressure in the shell rises, the diaphragm 3 is pushed upwards, when the tension of the diaphragm 3 is greater than the engagement force of the diaphragm 3 and the pressure limiting device, the diaphragm 3 and the pressure limiting device are automatically separated, under the action of the pressure limiting device and the lever 26, the closing rubber 21 is closed with the closing port 22, the closing system is closed in the forward direction, and overpressure automatic closing protection is realized; when the temperature of the use environment exceeds a set value, the temperature control pin 27 in the pressure limiting device can be automatically fused, the lever 26 and the pressure limiting device are automatically separated, the closing glue 21 and the closing opening 22 are closed under the action of the lever 26, the closing system is closed in the forward direction, and the overtemperature automatic closing protection is realized; when the gas in the pipeline leaks under pressure or at an excessive flow rate, the gas pressure in the shell drops sharply, the closing rubber 21 and the closing opening 22 are closed under the action of the lever 26 and the flow control device, and the closing system is closed in the forward direction, so that the automatic closing protection of the gas under pressure and the excessive flow rate leakage is realized; when the pipeline gas leaks slightly, the alarm can give an alarm immediately and start the small motor 9, the motor rotating blade 8 rotates the pull-up starting rod 7 to separate the diaphragm 3 from the pressure limiting device, the closing rubber 21 and the closing opening 22 are closed under the action of the pressure limiting device and the lever 26, the closing system is closed in the forward direction, and the intelligent automatic closing protection of the gas is realized.

Claims

1. Self-checking formula intelligence gas self-closing valve is riveted steel ring (2), diaphragm (3), is gone up casing (4), gasket (5), actuating lever (7), flat head screw (12), fixation nut (13), air inlet (16), gas outlet (33), opening device, accuse flow device, closing device, lever means, pressure limiting device and intelligent closing device by lower casing (1), ring and constitutes its characterized in that: a closing device is arranged at the air inlet (16) end of the lower shell (1), and a flow control device is additionally arranged at the front end of the closing device and matched with the lever device; a diaphragm (3) is arranged between the upper shell (4) and the lower shell (1), a flat-head screw (12) is arranged at the center of the upper end of the diaphragm (3), and is positioned and fixed by a gasket (5) and a fixing nut (13) and matched with an opening device; the lower end of the diaphragm (3) is connected with a pressure limiting device and is matched with a closing device through a lever device; an opening device capable of automatically resetting is arranged at the center of the top end of the upper shell (4) and is matched with the pressure limiting device through an opening rod (7); an intelligent closing device is arranged on the starting rod (7) and is matched with the alarm.

2. The self-checking intelligent gas self-closing valve according to claim 1, wherein the opening device is composed of a starting button (6), a return spring cover (10) and a return spring (11), wherein one end of the return spring (11) is sleeved on the starting button (6), and the other end is sleeved on the return spring cover (10).

3. The self-checking intelligent gas self-closing valve according to claim 1, characterized in that the flow control device is composed of a flow control sleeve (14), a flow regulating screw (15), a rubber closing sheet (17), arc-shaped rubber ribs (18), a flow control port (19) and a flow control base (20), wherein the rubber closing sheet (17) is fixed at the center of the flow control base (20) by two arc-shaped rubber ribs (18) and is matched with the flow control port (19) arranged at the center of the flow control base (20) to effectively control the rated flow and the closed flow; the flow adjusting screw (15) is arranged at the upper end of a rubber closing sheet (17) at the central position of the flow control sleeve (14) and is used for adjusting rated flow and closing flow.

4. The self-checking intelligent gas self-closing valve according to claim 1, wherein the closing device is composed of a closing rubber (21), a closing port (22) and a closing rod (23), wherein the closing rubber (21) is sleeved at one end of a round flat head of the closing rod (23), the closing rod (23) filled with the closing rubber (21) is installed from the end of the closing port (22), and the closing rubber (21) and the closing port (22) can be matched without clearance.

5. The self-checking intelligent gas self-closing valve according to claim 1, wherein the lever device is composed of a lever seat (24), a fixing pin (25) and a lever (26), wherein the lever (26) is fixed on the lever seat (24) by the fixing pin (25), and the lever (26) is ensured to flexibly rotate without clamping stagnation.

6. The self-checking intelligent gas self-closing valve according to claim 1, characterized in that the pressure limiting device is composed of a temperature control pin (27), a screw (28), a guide groove (29), a positioning gasket (30), a magnet (31) and a magnet seat (32), wherein the magnet (31) is fixed at the center of one end of the magnet seat (32) by the screw (28), the other end of the magnet seat is positioned in the guide groove (29) by the positioning gasket (30), and the magnet seat (32) is ensured to move up and down in the guide groove (29) without clamping stagnation; the temperature control pin (27) is fixed at the U-shaped opening at the other end of the magnet seat (32) and has the function of sealing the U-shaped opening.

7. The self-checking intelligent gas self-closing valve according to claim 1, wherein the intelligent closing device is composed of a small motor (9) and a motor rotating vane (8), wherein the small motor (9) is fixed at the center of the starting rod (7), and the diaphragm (3) is separated from the pressure limiting device by rotating the upper pulling starting rod (7) through the motor rotating vane (8).