CN2791445Y - Undetachable liquified petroleum cylinder valve with leakage-proof self-closing function - Google Patents

Undetachable liquified petroleum cylinder valve with leakage-proof self-closing function Download PDF

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Publication number
CN2791445Y
CN2791445Y CN 200520056186 CN200520056186U CN2791445Y CN 2791445 Y CN2791445 Y CN 2791445Y CN 200520056186 CN200520056186 CN 200520056186 CN 200520056186 U CN200520056186 U CN 200520056186U CN 2791445 Y CN2791445 Y CN 2791445Y
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China
Prior art keywords
valve
self
leak
air outlet
leakage
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Expired - Fee Related
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CN 200520056186
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Chinese (zh)
Inventor
李平安
钱发祥
毛冲霓
张保华
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何新华
毛冲霓
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Priority to CN 200520056186 priority Critical patent/CN2791445Y/en
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Publication of CN2791445Y publication Critical patent/CN2791445Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to an undetachable liquified petroleum cylinder valve with leakage-proof self-closing function. A leakage-proof self-closing device is installed at the air outlet of the valve, and comprises a spring, a sulfuration sealing element having a pin, a thread sleeve, a supporting sleeve and two o-shaped sealing coils, wherein the supporting sleeve is riveted on the sulfuration sealing element having a pin and is sheathed in the thread sleeve together with the spring. The self-closing function of the supporting sleeve is realized by the elastic force of the spring. One o-shaped sealing coil is installed on the thread sleeve, and the other o-shaped sealing coil is installed on the supporting sleeve. The thread sleeve is fixed in the air outlet of the valve by screw connection. The leakage-proof self-closing device is fixed on the air outlet of the valve by a baffle ring, and the leakage-proof self-closing device is prevented from being quit. By the structure, the utility model has the advantages of safety, leakage-proof performance, long service life, etc.

Description

Non-dismountable formula liquefied petroleum gas cylinder valve with the self-closing function of anti-leak
Technical field:
The utility model relates to the cylinder valve technical field, refers in particular to a kind of non-dismountable formula liquefied petroleum gas cylinder valve with the self-closing function of anti-leak.
Background technique:
Domestic traditional liquefied petroleum gas cylinder valve air outlet is an open type, be that LP gas cylinder is passed through to be connected with the liquefied petroleum utensil behind the reduction valve, after liquid gas uses up, when needing to change LP gas cylinder, need to screw out reduction valve, again reduction valve is screwed in new LP gas cylinder, whole replacing process is loaded down with trivial details, and the bad gas leak that very easily causes is installed, valve transportation, when connecting owing to there is not seal arrangement, as easy as rolling off a log leakage causes potential safety hazard; Its fit of traditional in addition liquefied petroleum gas cylinder valve is to press female screwing with the valve body screw thread to cooperate, stoping to be inserted in presses female interior valve rod to withdraw from, some laymans and some maintenance mans dismounting or change the component of valve without authorization in use brings hidden danger for sealing function or other Safety performances of valve; The sealing operating mechanism is Sealing motion in the shape of a spiral in valve, and keying moment is bigger in the time of can causing rotation hand wheel in the use, rotates difficultly, and the keying of long-time back is dumb; The valve sealing ring move distance is long, wearing and tearing easily, and it is unreliable to seal.
Summary of the invention:
The purpose of this utility model is to overcome the deficiencies in the prior art part, provide a kind of air outlet that the anti-leak self-closing device has been installed, and with the fixing enable possition of handwheel of battle pin permanent closure, with reach anti-leak, self-closing, can't dismantle, durable and open and close the purpose of easy and flexible.
For achieving the above object, the technological scheme that the utility model provides is: the position, air outlet at valve is equipped with the anti-leak self-closing device, this anti-leak self-closing device includes spring, band pin sulfuration Sealing, silk braid, accept cover and two " O " RunddichtringOs, accept the cover riveted on band pin sulfuration Sealing, and be sleeved in the silk braid together with spring, accept the function that cover is closed automatically by the elastic force realization of spring, " O " type encapsulated coil is installed on the silk braid, another " O " type encapsulated coil is installed in to accept and puts, and silk braid is fixed in the air outlet of valve with being threaded.Described anti-leak self-closing device is fixed on the air outlet of valve by baffle ring, prevents that the anti-leak self-closing device from withdrawing from.
Non-dismountable mechanism is installed in the valve body of valve, and non-dismountable mechanism includes the valve that is connected with the handwheel that is installed in valve body top, be enclosed within two " O " RunddichtringOs on the valve, be loaded on valve pad in the valve, be through the battle pin that restriction handwheel in valve inner top withdraws from.Handwheel and valve body cooperatively interact by screw thread, and by the battle pin location, handwheel and valve are connected with the form of T-shape step and T-shape hanging basket suspension.Two " O " RunddichtringOs on the valve and the upper inside wall in the valve body are sealed and matched, and stir handwheel, and the handwheel screw thread rotation directly drives valve and does straight line motion up and down.
The utility model can reach following beneficial effect after adopting technique scheme:
First, the self-closing function of anti-leak: the anti-leak self-closing device of valve air gate, automatically close owing to adopt the elastic force of spring to promote to accept cover, and seal with band pin sulfuration Sealing and " O " RunddichtringO, reached self-closing sealing and valve body sealing prevent leakage effect.
Second, non-dismountable: owing to adopt non-dismountable mechanism in the valve body, direct and the valve body screw-internal thread fit of handwheel screw thread, handwheel cooperates with the form suspension of valve with T-shape hanging basket and T-shape step, after valve assembling is finished with battle pin from valve inner permanent closure location and pinning, therefore, the outside does not have the position and the part of fixing internal part, thereby reaches the effect that cannot dismantle.
The 3rd, durable, open and close flexibly: with the handwheel of screw-thread fit on valve body top, be loaded on the valve that is connected with handwheel T-shape step in the valve body and finish the keying function of valve, being loaded on valve pad in the valve and " O " RunddichtringO cooperates with valve seal step and inwall and finishes sealing function, the handwheel screw thread rotation directly drives valve and does straight line and move up and down, used moment is little and laborsaving, and " O " RunddichtringO motion amplitude is little and durable.
Description of drawings:
Accompanying drawing 1 is the utility model structure sectional view;
Accompanying drawing 2 is the utility model anti-leak self-closing device structure sectional view;
Accompanying drawing 3 is the non-dismountable mechanism of a utility model sectional view.
Embodiment:
Below in conjunction with accompanying drawing and the utility model one preferred embodiment structure of the present utility model and advantage are further described:
See shown in accompanying drawing 1~accompanying drawing 2, in the position, air outlet of valve one anti-leak self-closing device 10 is installed, this anti-leak self-closing device 10 includes a cylindrical compression spring 11, one band pin sulfuration Sealing 12, one silk braid 13, one accepts 14 and two " O " RunddichtringO 15a of cover and 15b, accept cover 14 riveteds on band pin sulfuration Sealing 12, and be sleeved in the silk braid 13 together with cylindrical compression spring 11, and by the sealing of the sealed step of silk braid 13, accept the function that cover 14 is closed automatically by the elastic force realization of cylindrical compression spring 11, " O " type encapsulated coil 15a is installed on the silk braid 13, another " O " type encapsulated coil 15b is installed in and accepts on the cover 14, and silk braid 13 usefulness are threaded and are fixed in the air outlet of valve.Described anti-leak self-closing device 10 is fixed on the air outlet of valve by baffle ring 16, prevents that anti-leak self-closing device 10 from withdrawing from.
Under the cylinder valve opening state, in the anti-leak self-closing device 10 of cylinder valve air outlet, band pin seal 12 is being accepted on the cover 14 by riveted, and with the sealing of the sealed step of silk braid 13, simultaneously, " O " the RunddichtringO 15a on the silk braid 13 and the air outlet inwall of sealed step and valve body and interior step plane sealing, the position, air outlet is in sealing state fully; When using, the head seal ring of pressure governor (being commonly called as reduction valve) is sealing state after cover 14 conical surface contacts with accepting, and cover 14 is accepted in promotion, cylindrical compression spring 11 is compressed, band pin seal 12 retreats simultaneously, and the sealed step of silk braid 13 breaks away from band pin seal 12, and gas can flow out between the slit of opening, accept this moment cover on 14 " O " RunddichtringO 15b and the inner wall sealing of silk braid 13, gas can not leak; When removing pressure governor, pressure governor is removed the compressive force of accepting cover 14, and cylindrical compression spring 11 will be accepted cover 14 and push back and reset, and band pin seal 12 also cuts off air-flow with the sealed step contact seal of silk braid 13, reaches sealing state again.So no matter under any circumstance, the air outlet remains sealing state, and the cylinder valve air outlet need not special tool, can close automatically.
See shown in the accompanying drawing 1~3, non-dismountable mechanism 20 is installed in the valve body of valve, and non-dismountable mechanism 20 includes a valve 21 that is connected with the handwheel 30 that is installed in valve body top, be enclosed within two " O " RunddichtringO 22a and 22b on the valve 21, be loaded on the valve pad 23 in the valve 21 and be through the battle pin 24 that restriction handwheel 30 in valve inner top withdraws from.Wherein, handwheel 30 cooperatively interacts by screw thread with valve body, and by battle pin 24 location, handwheel 30 is connected with the form of valve 21 with T-shape step and T-shape hanging basket suspension.Upper inside wall in two " O " RunddichtringO 22a on the valve 21 and 22b and the valve body is sealed and matched.
Stirring handwheel 30 opens when closing cylinder valve, helical rotation by screw mechanism drives valve 21 straight line rise and fall, and drive two " O " RunddichtringO 22a and 22b and valve pad 23 liftings, the seal-moving that has guaranteed the valve body operation is apart from weak point, make cylinder valve that the inner wall sealing of two " O " RunddichtringO 22a and 22b all be arranged under any keying state, have the reliable sealing characteristics; When opening of valves during at maximum position, battle pin 24 has been placed restrictions on handwheel 30 screw type continuation and has been risen, and battle pin 24 ring-types are through the valve body top, and the part that can retract of the outside no any exposure of valve body and be used to retract the position of inner body has non-removable characteristics.
The utility model has fundamentally thoroughly solved the defective on the conventional bottles valve arrangement, in the hommization used, automation, Security, flexibility great raising is arranged all, has higher advance, science, Security.
The embodiment of the above is preferred embodiment of the present utility model only, is not to limit practical range of the present utility model with this, so the equivalence that all shapes according to the utility model, structure and principle are done changes, all should be covered by in the protection domain of the present utility model.

Claims (5)

1, non-dismountable formula liquefied petroleum gas cylinder valve with the self-closing function of anti-leak, in the position, air outlet of valve anti-leak self-closing device (10) is installed, this anti-leak self-closing device (10) includes spring (11), band pin sulfuration Sealing (12), silk braid (13), accept cover (14) and two " O " RunddichtringOs (15a) and (15b), it is characterized in that: accept cover (14) riveted on band pin sulfuration Sealing (12), and be sleeved in the silk braid (13) together with spring (11), " O " type encapsulated coil (15a) is installed on the silk braid (13), another " O " type encapsulated coil (15b) is installed in to be accepted on the cover (14), and silk braid (13) is fixed in the air outlet of valve with being threaded.
2, the non-dismountable formula liquefied petroleum gas cylinder valve with the self-closing function of anti-leak according to claim 1, it is characterized in that: described anti-leak self-closing device (10) is fixed on the air outlet of valve by baffle ring (16).
3, the non-dismountable formula liquefied petroleum gas cylinder valve with the self-closing function of anti-leak according to claim 1 is characterized in that: non-dismountable mechanism (20) is installed in the valve body of valve.
4, the non-dismountable formula liquefied petroleum gas cylinder valve with the self-closing function of anti-leak according to claim 3 is characterized in that: non-dismountable mechanism (20) includes the valve (21) that is connected with the handwheel that is installed in valve body top (30), be enclosed within on the valve (21) two " O " RunddichtringOs (22a) and (22b), be loaded on valve pad (23) in the valve (21), be through the battle pin (24) that valve inner top restriction handwheel (30) withdraws from.
5, the non-dismountable formula liquefied petroleum gas cylinder valve with the self-closing function of anti-leak according to claim 4, it is characterized in that: handwheel (30) cooperatively interacts by screw thread with valve body, and by battle pin (24) location, handwheel (30) is connected with the form of valve (21) with T-shape step and T-shape hanging basket suspension.Two " O " RunddichtringOs (22a) on the valve (21) and (22b) and valve body in upper inside wall be sealed and matched.
CN 200520056186 2005-03-28 2005-03-28 Undetachable liquified petroleum cylinder valve with leakage-proof self-closing function Expired - Fee Related CN2791445Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200520056186 CN2791445Y (en) 2005-03-28 2005-03-28 Undetachable liquified petroleum cylinder valve with leakage-proof self-closing function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200520056186 CN2791445Y (en) 2005-03-28 2005-03-28 Undetachable liquified petroleum cylinder valve with leakage-proof self-closing function

Publications (1)

Publication Number Publication Date
CN2791445Y true CN2791445Y (en) 2006-06-28

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103062489A (en) * 2013-01-31 2013-04-24 王荐品 Safety angle valve for liquefied gas steel cylinder
CN104819303A (en) * 2015-01-06 2015-08-05 浙江威能消防器材股份有限公司 Valve with integrated valve rod and limit bolts
CN106015671A (en) * 2016-07-08 2016-10-12 浙江铭仕兴新暖通科技有限公司 Self-closing valve for liquefied petroleum gas
CN106151621A (en) * 2016-09-27 2016-11-23 杜树华 A kind of self-pressing type safety corner valve
CN106838611A (en) * 2017-02-28 2017-06-13 浙江铭仕兴新暖通科技有限公司 A kind of Internet of Things liquefied petroleum gas valve
CN107237920A (en) * 2017-06-28 2017-10-10 海南广天恒科技发展有限公司 The safe cylinder valve of liquefied petroleum gas
CN107606302A (en) * 2017-09-18 2018-01-19 海南广天恒科技发展有限公司 Leak-proof liquefied petroleum gas cylinder valve
CN108468837A (en) * 2018-05-29 2018-08-31 广东奇才阀门科技有限公司 Self-closing bottle valve
CN108953996A (en) * 2017-03-15 2018-12-07 邓润丹 Liquefied gas bottle and its application method
CN109185472A (en) * 2018-11-09 2019-01-11 广东奇才阀门科技有限公司 Self-closing standard cylinder valve

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103062489A (en) * 2013-01-31 2013-04-24 王荐品 Safety angle valve for liquefied gas steel cylinder
CN104819303A (en) * 2015-01-06 2015-08-05 浙江威能消防器材股份有限公司 Valve with integrated valve rod and limit bolts
CN106015671A (en) * 2016-07-08 2016-10-12 浙江铭仕兴新暖通科技有限公司 Self-closing valve for liquefied petroleum gas
CN106151621A (en) * 2016-09-27 2016-11-23 杜树华 A kind of self-pressing type safety corner valve
CN106838611A (en) * 2017-02-28 2017-06-13 浙江铭仕兴新暖通科技有限公司 A kind of Internet of Things liquefied petroleum gas valve
CN108953996A (en) * 2017-03-15 2018-12-07 邓润丹 Liquefied gas bottle and its application method
CN107237920A (en) * 2017-06-28 2017-10-10 海南广天恒科技发展有限公司 The safe cylinder valve of liquefied petroleum gas
CN107606302A (en) * 2017-09-18 2018-01-19 海南广天恒科技发展有限公司 Leak-proof liquefied petroleum gas cylinder valve
CN108468837A (en) * 2018-05-29 2018-08-31 广东奇才阀门科技有限公司 Self-closing bottle valve
CN109185472A (en) * 2018-11-09 2019-01-11 广东奇才阀门科技有限公司 Self-closing standard cylinder valve

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C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee