CN204664517U - With the gas self-closing valve of current-limiting apparatus - Google Patents

With the gas self-closing valve of current-limiting apparatus Download PDF

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Publication number
CN204664517U
CN204664517U CN201520190356.6U CN201520190356U CN204664517U CN 204664517 U CN204664517 U CN 204664517U CN 201520190356 U CN201520190356 U CN 201520190356U CN 204664517 U CN204664517 U CN 204664517U
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CN
China
Prior art keywords
limiting apparatus
current
closing valve
gas self
spring
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Expired - Fee Related
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CN201520190356.6U
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Chinese (zh)
Inventor
曾旋
曾广天
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Hainan Widely Tianheng Technology Development Co., Ltd.
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曾旋
曾广天
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Priority to CN201520190356.6U priority Critical patent/CN204664517U/en
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Anticipated expiration legal-status Critical

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Abstract

A kind of gas self-closing valve that can leak the band current-limiting apparatus that can automatically close to overpressure of gas, under-voltage, overtemperature and super flow; the utility model is characterized in that: be provided with the overpressure protection system be made up of diaphragm fixed base, magnet, magnetic receiver, temperature control part and locating slot in housing, and suction port place is provided with current-limiting apparatus and shuts up by closing, pole shutoff, closedown glue, closing the forward shutdown system that spring and spring detent form.When the gas self-closing valve Environmental Conditions overtemperature of gaseous-pressure superelevation or band current-limiting apparatus, under hyperpressure or the effect of temperature control part, forward shutdown system is forward closed, and realizes superpressure or overtemperature is closed automatically; When combustion gas is under-voltage or super flow leaks, the gaseous-pressure in housing sharply declines, current-limiting apparatus and close spring effect under, forward shutdown system is forward closed, and realizes the under-voltage or super flow leakage auto-closing of combustion gas.The utility model structure is simple, and function admirable is easy to use, safety durable.

Description

With the gas self-closing valve of current-limiting apparatus
Technical field: the utility model relates to the automatic safety device that the accident such as a kind ofly prevent overpressure of gas, under-voltage, overtemperature and sebific duct from coming off, to break causes combustion gas to surpass flow revealing, and the utility model patented technology can be applicable to make pipeline gas special safety valve series product.When combustion gas occurs that superpressure, under-voltage, overtemperature and super flow leak contingency, device is closed automatically, cuts off source of the gas, prevents the generation of gas leakage and fire explosion, ensures and uses gas safety.
Background technique: along with the development of society, the extensive use of new energy, combustion gas has become industry and necessary fuel energy in life, use in gas process resident, almost there is various leakage everyday, poisoning, catch fire or the generation of explosive accident, particularly because gaseous-pressure superelevation and flexible rubber hose come off, break, that causes is poisoning, catch fire or explosive accident in the majority, have a strong impact on social harmony to stablize, the application of the utility model patent in domestic gas, effectively can prevent the generation of contingency, reduce property loss, protection life safety, improve the quality of living.
Summary of the invention: the utility model a kind ofly can leak to overpressure of gas, under-voltage, overtemperature and super flow the safety protection device that can automatically close.
For reaching foregoing invention content the technical solution of the utility model be:
One can to overpressure of gas, under-voltage, overtemperature and super flow leak the gas self-closing valve of the band current-limiting apparatus that can automatically close, by upper cover (12), lower shell body (20), diaphragm (21), annular gasket (22), lever (26), fixing pin (29), current-limiting apparatus, suction port (36), air outlet (18), enable switch, screw rod (11), screw (9), P cock, overpressure protection system, loose joint system, forward shutdown system is formed, it is characterized in that: the loose joint system that current-limiting apparatus is housed in the installing one of lower shell body (20) suction port (36) end, and match with forward shutdown system, install a forward shutdown system at loose joint system end, and match with lever (26) and fixing pin (29), between upper cover (12) and lower shell body (20), install diaphragm (21), diaphragm (21) upper end installing annular gasket (22) and enable switch match, diaphragm (21) lower end installing overpressure protection system is also matched with forward shutdown system by lever (26), installing one at upper cover (12) lower center place can automatically reset enable switch, and is matched with overpressure protection system by screw rod (11) and screw (9), at air outlet (18) end installing P cock, and match with air outlet (18).
The technical solution of the utility model also comprises:
The gas self-closing valve of described band current-limiting apparatus, is characterized in that loose joint system is made up of nut (14), movable connecting piece (34) and rubber ring (35).
The gas self-closing valve of described band current-limiting apparatus, is characterized in that forward shutdown system is shut up (31) by pass, pole shutoff (30), closes glue (32), closes spring (33) and spring detent (13) is formed.
The gas self-closing valve of described band current-limiting apparatus, is characterized in that enable switch is made up of pull-button (7), return spring (8) and spring housing (10).
The gas self-closing valve of described band current-limiting apparatus, is characterized in that overpressure protection system is made up of diaphragm fixed base (23), magnet (28), magnetic receiver (25), temperature control part (27) and locating slot (24).
The gas self-closing valve of described band current-limiting apparatus, is characterized in that P cock is made up of jump ring (1), knob (2), compression spring (3), retaining screw (4), barrel-shaped seal ring (19), closing axle (5) and pressure spring (6).
The gas self-closing valve of described band current-limiting apparatus, is characterized in that current-limiting apparatus balances muscle (16) by elastomeric closure seat (15), rubber and elastomeric closure lid (17) is formed.
Advantage of the present utility model: when the leakage of super flow, under-voltage, overtemperature or when there is super pressure because gaseous-pressure is out of control occur in combustion gas, no matter suction pressure is much, the gas self-closing valve of the utility model band current-limiting apparatus can both automatic self-closing gas, guarantees that user uses gas safety.The utility model structure is simple, and function admirable is easy to use, safety durable.
Accompanying drawing illustrates: accompanying drawing is the gas self-closing valve structural representation of band current-limiting apparatus.
Embodiment: with reference to accompanying drawing, the gas self-closing valve of the utility model band current-limiting apparatus is made up of upper cover (12), lower shell body (20), diaphragm (21), annular gasket (22), lever (26), fixing pin (29), current-limiting apparatus, suction port (36), air outlet (18), enable switch, screw rod (11), screw (9), P cock, overpressure protection system, loose joint system, forward shutdown system.Loose joint system comprises nut (14), movable connecting piece (34) and rubber ring (35); Forward shutdown system comprises shutting up (31) in pass, pole shutoff (30), closes glue (32), closes spring (33) and spring detent (13); Enable switch comprises pull-button (7), return spring (8) and spring housing (10); Overpressure protection system comprises diaphragm fixed base (23), magnet (28), magnetic receiver (25), temperature control part (27) and locating slot (24); P cock comprises jump ring (1), knob (2), compression spring (3), retaining screw (4), barrel-shaped seal ring (19), closing axle (5) and pressure spring (6); Current-limiting apparatus comprises elastomeric closure seat (15), rubber balance muscle (16) and elastomeric closure lid (17).
The gas self-closing valve of the utility model band current-limiting apparatus before use shutdown system is in closed condition, during work, pull the pull-button (7) of enable switch, shut up in pass (31) opens, combustion gas enters in housing from suction port (36), diaphragm (21) is under the effect of gaseous-pressure, upwards heave, pole shutoff (30) motion is driven by lever (26), close glue (32) shut up with pass (31) be separated, open P cock, combustion gas exports from air outlet (18), and it normally works, when gaseous-pressure superelevation, gaseous-pressure in housing raises, upwardly diaphragm (21), when diaphragm (21) tension force is greater than the linking power of diaphragm fixed base (23) and magnet (28), diaphragm fixed base (23) is separated automatically with magnet (28), lever (26) falls down, under closedown spring (33) effect, close glue (32) with pass shut up (31) close, forward shutdown system is forward closed, realize superpressure and automatically close protection, gaseous-pressure recovers normally, diaphragm fixed base (23) and magnet (28) can be connected merging automatically, gas self-closing valve with current-limiting apparatus recovers normal, when being with the gas self-closing valve Environmental Conditions temperature overtemperature of current-limiting apparatus, under the effect of temperature control part (27), magnet (28) is separated automatically with magnetic receiver (25), lever (26) falls down, under closedown spring (33) effect, close glue (32) with pass shut up (31) close, forward shutdown system is forward closed, and realizes overtemperature and automatically closes protection, when combustion gas is under-voltage, gaseous-pressure in housing sharply declines, closedown spring (33) effect under, close glue (32) with pass shut up (31) close, forward shutdown system is forward closed, and realizes the under-voltage automatic closedown protection of combustion gas, when combustion gas surpasses flow leakage, gaseous-pressure in housing sharply declines, at current-limiting apparatus with under closing spring (33) effect, close glue (32) with pass shut up (31) close, forward shutdown system is forward closed, and realizes combustion gas and surpasses the protection of flow leakage auto-closing.

Claims (7)

1. be with the gas self-closing valve of current-limiting apparatus, be made up of upper cover (12), lower shell body (20), diaphragm (21), annular gasket (22), lever (26), fixing pin (29), current-limiting apparatus, suction port (36), air outlet (18), enable switch, screw rod (11), screw (9), P cock, overpressure protection system, loose joint system, forward shutdown system, it is characterized in that: in the installing one of lower shell body (20) suction port (36) end, the loose joint system of current-limiting apparatus is housed, and match with forward shutdown system; Install a forward shutdown system at loose joint system end, and match with lever (26) and fixing pin (29); Between upper cover (12) and lower shell body (20), install diaphragm (21), diaphragm (21) upper end installing annular gasket (22) and enable switch match; Diaphragm (21) lower end installing overpressure protection system is also matched with forward shutdown system by lever (26); Installing one at upper cover (12) lower center place can automatically reset enable switch, and is matched with overpressure protection system by screw rod (11) and screw (9); At air outlet (18) end installing P cock, and match with air outlet (18).
2. the gas self-closing valve of band current-limiting apparatus according to claim 1, is characterized in that loose joint system is made up of nut (14), movable connecting piece (34) and rubber ring (35).
3. the gas self-closing valve of band current-limiting apparatus according to claim 1, is characterized in that forward shutdown system is shut up (31) by pass, pole shutoff (30), closes glue (32), closes spring (33) and spring detent (13) is formed.
4. the gas self-closing valve of band current-limiting apparatus according to claim 1, is characterized in that enable switch is made up of pull-button (7), return spring (8) and spring housing (10).
5. the gas self-closing valve of band current-limiting apparatus according to claim 1, is characterized in that overpressure protection system is made up of diaphragm fixed base (23), magnet (28), magnetic receiver (25), temperature control part (27) and locating slot (24).
6. the gas self-closing valve of band current-limiting apparatus according to claim 1, is characterized in that P cock is made up of jump ring (1), knob (2), compression spring (3), retaining screw (4), barrel-shaped seal ring (19), closing axle (5) and pressure spring (6).
7. the gas self-closing valve of band current-limiting apparatus according to claim 1, is characterized in that current-limiting apparatus balances muscle (16) by elastomeric closure seat (15), rubber and elastomeric closure lid (17) is formed.
CN201520190356.6U 2015-03-25 2015-03-25 With the gas self-closing valve of current-limiting apparatus Expired - Fee Related CN204664517U (en)

Priority Applications (1)

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CN201520190356.6U CN204664517U (en) 2015-03-25 2015-03-25 With the gas self-closing valve of current-limiting apparatus

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Application Number Priority Date Filing Date Title
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106567949A (en) * 2015-10-12 2017-04-19 海南广天恒科技发展有限公司 Current limiting device special for fuel gas valve
CN107044554A (en) * 2016-07-24 2017-08-15 海南广天恒科技发展有限公司 Excessively stream self-checking device
CN107940049A (en) * 2017-11-24 2018-04-20 海南广天恒科技发展有限公司 Multifunctional pipe gas stabilized-pressure valve
CN108708998A (en) * 2018-06-07 2018-10-26 海南广天恒科技发展有限公司 A kind of gas self-closing valve
CN109357054A (en) * 2018-12-25 2019-02-19 深圳市神特科技有限公司 Gas self-closing valve
CN112253830A (en) * 2020-09-10 2021-01-22 高明 Timed household gas safety valve

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106567949A (en) * 2015-10-12 2017-04-19 海南广天恒科技发展有限公司 Current limiting device special for fuel gas valve
CN107044554A (en) * 2016-07-24 2017-08-15 海南广天恒科技发展有限公司 Excessively stream self-checking device
CN107940049A (en) * 2017-11-24 2018-04-20 海南广天恒科技发展有限公司 Multifunctional pipe gas stabilized-pressure valve
CN108708998A (en) * 2018-06-07 2018-10-26 海南广天恒科技发展有限公司 A kind of gas self-closing valve
CN109357054A (en) * 2018-12-25 2019-02-19 深圳市神特科技有限公司 Gas self-closing valve
CN112253830A (en) * 2020-09-10 2021-01-22 高明 Timed household gas safety valve
CN112253830B (en) * 2020-09-10 2022-04-12 台州康格燃气科技有限公司 Timed household gas safety valve

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C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20180530

Address after: 570311 No. three factory building, Hongkong Macau Avenue, Haikou, Hainan

Patentee after: Hainan Widely Tianheng Technology Development Co., Ltd.

Address before: 570203 D181 room, Fang Cao Yuan estate, 61 Lantian Road, Meilan District, Haikou, Hainan.

Co-patentee before: Zeng Guangtian

Patentee before: Zeng Xuan

TR01 Transfer of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150923

Termination date: 20210325

CF01 Termination of patent right due to non-payment of annual fee