CN2687457Y

CN2687457Y - Timing regulator for outdoor liquefied petroleum gas appliance

Info

Publication number: CN2687457Y
Application number: CN 200320109536
Authority: CN
Inventors: 蔡安
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-11-04
Filing date: 2003-11-04
Publication date: 2005-03-23
Anticipated expiration: 2013-11-04

Abstract

The utility model relates to a timing regulator for outdoor liquefied petroleum gas device, which can work in the temperature range of subzero 40 centigrade scales to above zero 55 centigrade scales. The utility model comprises a valve body, an LPG controller, and a timing device. The valve body is provided with an LPG outflow end connected with the outdoor LPG use device and a safe LPG joint positioning at one LPG outflow end which is fixedly connected with the source of the LPG. The LPG controller comprises a safe device; when the LPG pressure of the safe device at the LPG outflow end is bigger than the safe LPG pressure of the LPG inflow end of the valve body, the LPG can be stopped flowing by the valve body. The timing device is installed in the valve and in preset time segment, user can selectively regulate the flow of LPG by the timing device. The advantages of the utility model is that a timing regulator can be safely used for connecting of the S of the LPG source and the outdoor LPG use device and regulating the flow of the LPG by the timing regulator. The utility model can work in the temperature range of subzero 40 centigrade scales to above zero 55 centigrade scales.

Description

A kind of timing governor that is used for outdoor liquefied petroleum gas (LPG) operative installations

Technical field

The utility model relates to a kind of liquefied petroleum gas (LPG) (LPG) controller, especially relevant for a kind of timing governor that is used for above the outdoor LPG operative installations, this kind LPG operative installations is such as being a kind of LPG oven, wherein this timing governor has a kind of robust structure, makes it to work in the temperature range of 55 degree above freezing at 40 degrees below zero.

Background technique

Liquefied petroleum gas (LPG) (LPG) controller generally all uses on the LPG device and leaks from the LPG source so that prevent LPG.The U.S. the 4th, 579, No. 142 patent disclosures a kind of safe LPG controller arranged, it includes an air-flow path and a safety valve, this air-flow path has LPG outlet and a LPG import that is connected on the source of the gas, and this safety valve be set at be used for controlling among the air-flow path LPG in air-flow path from LPG import flowing to the LPG outlet.Safety valve comprises a spherical parts, and it is placed within the air-flow path by rotating, when LPG stream surpasses safe traffic, thereby LPG stream will promote the spherical parts sealing block LPG outlet resistance when the LPG stream air-flow path of flowing through.But, this safe LPG controller also has some shortcomings.

This safe LPG controller also must be furnished with a driving member could be withdrawn into normal circulation position from blocking the position with spherical parts.When thereby spherical parts was positioned at LPG outlet and blocks LPG stream, driving member must be compressed and spherical parts could be moved back to its original position.In other words, this LPG controller spherical parts that needs manually-operable could will be positioned at LPG outlet port closed position discharges.

Accordingly, this LPG controller also is equipped with a LPG flow indicator to indicate the pressure of LPG stream.But, this LPG flow indicator is flowed through for the purpose that will reach measurement need have a spot of LPG, the LPG leakage that just might meet accident at the flow indicator place like this.

In addition, this LPG valve can only could closed gas flow under the situation that has pressure difference between LPG import and the LPG outlet.Therefore, this LPG valve just can't cut out LPG stream when pressure changes such as breaking out of fire.It is worthy of note that this LPG valve can only be worked at subzero 20 degree to the temperature range of 50 degree above freezing.So this LPG valve only is applicable on indoor LPG operative installations and is equipped with.In other words, all be unsafe if this kind LPG valve is used on any outdoor LPG operative installations.

In addition, it also is equipped with a timer arrangement to be used for controlling the operating time of LPG controller.This timer arrangement generally comprises a valve body and a timer gear device.Valve body is provided with a pressurized chamber that communicates with the LPG outlet in air-flow path; The timer gear device is located within the valve body and is started a start arm during predefined time and come the closed gas flow passage arriving the user.

In this creation, the timer gear device is to engage by glue with the combination of actuating arm.Yet, without any the mechanical bond mode practical being installed in the valve body and with the timer gear device of timer gear device is fixed on its position, the timer gear device just may depart from start arm after the continuous use of a period of time so, and this just may cause the situation that timer arrangement can not be worked and valve body leaks LPG.

The timer gear device includes a gear unit, is made of a upper plate and exercisable the interconnecting of lower plate.In this creation, thereby upper plate is fixed on the lower plate formative gear unit between two plates by screw is removable.Yet, especially when situation, cause screw loosening and can not more upper and lower plate be fixed on it separately during the position through after a while continuous use, what the upper and lower plate of gear unit just can't be tight has interosculated.In other words, wanting the words screw of lock gear unit between upper and lower plate will be enough tight.So just increased this manufacture cost that has the LPG controller of timing device greatly.

In addition, with upper plate when lower plate removes, just might change the setting of gear unit unintentionally.So just might cause the timer gear device to work.So this timer gear device is not useful in actual applications.

Summary of the invention

Main purpose of the present utility model is to provide a kind of outdoor liquefied petroleum gas (LPG) (LPG) that is particularly useful for above the operative installations, as the timing governor above the LPG oven, wherein this timing governor has a kind of robust structure, makes it to work in the temperature range of 55 degree above freezing at 40 degrees below zero.

Another purpose of the present utility model is to provide a kind of timing governor, and it includes a safe LPG controller that is used to stop LPG source LPG leakage, and wherein this safe LPG controller can return automatically from closed position.In other words, this timing governor does not need manually-operable that safety LPG controller is discharged from closed position.

A purpose more of the present utility model is to provide a kind of timing governor, and wherein safe LPG controller includes a hot joint, thus this hot joint is installed in the LPG outlet port and when surpassing safety temperature will the flow through LPG of air-flow path of distortion cut off.In other words, when breaking out of fire, thereby timing governor can be closed the LPG stream that stops to go out from the LPG source and course automatically and be prevented that LPG from leaking from source of the gas.

Another purpose of the present utility model is to provide a kind of timing governor, it includes a timer arrangement, wherein upper plate, lower plate and gear unit are mutually firm is joined together to form a single integral body and no longer is to fix upper and lower plate with screw could keep gear unit betwixt, so just can prevent because screw becomes flexible the gear unit that is caused departs from and also have timer arrangement situation such as can not work.In addition, single integrated type timer arrangement has also been simplified the fitting operation of timing governor, thereby has reduced the manufacture cost of the timing governor that uses this creation timing device.

Another purpose of the present utility model is to provide a kind of timing governor, wherein timer arrangement and actuating arm system controls LPG stream by mechanical bond, thereby its position of maintenance that this timing device can be firm, prevent that timing device from can't work and LPG from the generation of situations such as timing device leakage.

Another purpose of the present utility model is to provide a kind of timing governor, it includes the LPG pipe that a rubber is made, this LPG pipe has certain stretch capability, be connected to the LPG outlet end of timing governor hermetically by connection set, compare the LPG that has just prevented at timing governor LPG outlet end with traditional LPG controller that the LPG pipe is directly connected to the LPG outlet end of LPG controller like this and leak.

The utility model is designed for a kind of timing governor of outdoor liquefied petroleum gas (LPG) operative installations, it can regulate LPG flowing from a LPG source to an outdoor LPG operative installations, wherein this timing governor includes: a valve body, its project organization can make the operating temperature of this timing governor when outfit uses for outdoor LPG operative installations reach subzero 40 to 55 degrees centigrade above freezing, it has a LPG and flows into end, a LPG outflow end that is connected with outdoor LPG operative installations, and LPG passage that communicates with above-mentioned LPG inflow end and LPG outflow end, wherein this valve body also includes a safe LPG joint, and this joint is positioned at LPG and flows into being connected with the LPG source of the also firm sealing of end;

A LPG controller, it includes a LPG duct and a safety installations that is placed in this LPG duct; This LPG duct has a LPG outlet that communicates with above-mentioned LPG passage and a LPG inlet that is formed at this valve body LPG inflow end; When this safety installations flows into the safe LPG pressure of of end at the LPG pressure of valve body LPG outflow end greater than valve body LPG, stop LPG to flow to the LPG outlet from the LPG inlet; And,

A timer arrangement, it was installed within the valve body and can optionally controls LPG stream in a default time period, and wherein above-mentioned timer arrangement comprises:

A timing gear, it comprise a upper plate, one separately certain distance be arranged at lower plate and a gear unit that is arranged between upper plate and the lower plate under this upper plate, upper plate, lower plate and gear unit form a single integrated type timing gear;

A LPG switch, it is placed within the LPG passage of valve body and operationally is connected with timing gear, and the LPG that is used to control by the LPG passage flows; And,

A manual time switch, it is arranged on the valve body and turns, and be connected with the gear unit of timing gear is exercisable, wherein this manual time switch can start the LPG switch by gear unit and stops the LPG stream LPG passage of flowing through, thus after the Preset Time section arrives valve body.

Advantage of the present utility model: timing governor has passed through the authentication of " Canadian Standards Association (CSA) " " U.S. gas association (AGA) " and " Canadian gas association (CGA) ".So the timing governor of this creation can safety is used for LPG source S and outdoor LPG operative installations A coupled together and the LPG that regulates by this timing governor flows.It is worthy of note that this timing governor is applicable to that the liquefied petroleum gas container that hydraulic pressure internally is approximately the LPG source S of 6 crust is approximately the LPG stream that the outdoor LPG operative installations A of 11WC flows to air pressure and regulates.In addition, the timing governor of this creation has been done special design to being used for outdoor LPG operative installations A, can only compare at the subzero 20 LPG regulators of working in the scope above freezing 50 degrees centigrade with traditional, it can be worked to temperature range above freezing 55 degrees centigrade at 40 degrees below zero.

Description of drawings

Below in conjunction with drawings and Examples the utility model is elaborated,

Fig. 1 is the timing governor structure sectional view of the utility model preferred embodiment.

Fig. 2 is the safe LPG controller architecture sectional view of the above-mentioned preferred embodiment timing governor of the utility model.

Fig. 3 is the timer arrangement structure sectional view of the above-mentioned preferred embodiment timing governor of the utility model.

Embodiment

Fig. 1 referring to accompanying drawing, it shows the timing governor of this creation preferred embodiment, wherein this timing governor is by an exercisable liquefied petroleum gas (LPG) (the Liquefied Petroleum Gas that is connected in, LPG) between source S and the outdoor LPG operative installations A, and be used for control from this LPG source S to this LPG operative installations A LPG that flows, it includes a valve body 10 and a LPG controller 20.

The project organization of valve body 10 can make the operating temperature of this timing governor when outfit uses for outdoor LPG operative installations A reach 40 degrees below zero to 55 degree above freezing.Valve body 10 has a LPG and flows into 11, LPG outflow ends 12 that are connected with outdoor LPG operative installations A of end and a LPG passage 13 that communicates with above-mentioned LPG inflow end 11 and LPG outflow end 12, wherein this valve body also includes a safe LPG joint 14, and this joint 14 is positioned at LPG and flows into being connected with LPG source S of the also firm sealing of end 11.

LPG controller 20 includes a LPG duct 21 and a safety installations 22 that is placed in this LPG duct 21; This LPG duct 21 has 211 and one of a LPG outlet that communicate with above-mentioned LPG passage 13 and is formed at the LPG inlet 212 that this valve body 10LPG flows into end 11; When this safety installations 22 flows into the safe LPG pressure of of end 11 at the LPG pressure of valve body 10LPG outflow end 12 greater than valve body 10LPG, stop LPG to flow to LPG outlet 211 from LPG inlet 212.So in this creation, the LPG controller 20 of timing controller can reach the safety standard of LPG controller by " UL-144 " test of U.S.'s " liquefied petroleum gas (LPG) valve ".

Timing controller of the present utility model also includes a timer arrangement 30, this timer arrangement 30 was installed within the valve body 10 and can optionally controls LPG stream in a default time period, and wherein above-mentioned timer arrangement 30 includes a timing gear 31, a LPG switch 32 and a manual time switch 33.

Above-mentioned timing gear 31 comprise a upper plate 311, one separately certain distance be arranged at lower plate 312 and a gear unit 313 that is arranged between upper plate 311 and the lower plate 312 under this upper plate 311, upper plate, lower plate 311,312 and gear unit 313 form a single integrated type timing gear 31.

Above-mentioned LPG switch 32 is placed within the LPG passage 13 of valve body 10 and operationally is connected with timing gear 31, and the LPG that is used to control by LPG passage 13 flows.

Above-mentioned manual time switch 33 is set on the valve body 10 and turns, and with 313 exercisable connections of gear unit of timing gear 31, wherein this manual time switch 33 can start LPG switches 32 by gear unit 313 and stops the LPG streams LPG passage 13 of flowing through, thus after the Preset Time section arrives valve body 10.

In this preferred embodiment, valve body 10 is made by material with certain rigidity such as metal, has one and goes up shell 101 and a lower casing 102, and lower casing 102 is firm is installed on the shell 101 so that prevent valve body 10 and is opened by accident.It is worthy of note, firm connection between the valve body 10 upper and lower shells 101,102 is in order to prevent that the user from will go up shell 101 and pulling down from lower casing 102 and open the Default Value that valve body 10 is regulated timing controller voluntarily, because might cause timing controller can not work and situation such as LPG leakage like this.

As shown in Figure 2, the LPG that safe LPG joint 14 is installed in valve body 10 flows into end 11 places, can supply mouth firm being connected with the LPG of LPG source S, an interior spiral shell button part 141 is arranged on the wherein safe LPG joint 14, thereby it can be supplied external screw part above the mouth with LPG and is spirally connected mutually on the LPG source that the is connected to S that valve body 10 is firm.It is worthy of note that the LPG supply mouth above the S of LPG source is sealed being hidden within the safe LPG joint 14, thereby prevent that LPG from supplying the leakage of the contacting point between the mouth at the LPG that LPG flows into end 11 and LPG source S.In this creation, the safe LPG joint 14 of timing controller has passed through it test of " adopting the equipment of cylindrical connection " of the U.S. " ANSIZ21.81 ", has reached valve body 10 is connected to the safety standard that LPG source S links together.

Valve body 10 also includes a hot joint 15 with predetermined thermal contractility, its LPG at valve body 10 flows into end 11 places and is connected with safe LPG joint 14, wherein when ambient temperature when being higher than the heat shrink temperature of hot joint 15, flow into end 11 and separate with LPG source S thereby this hot joint 15 will be out of shape LPG with valve body 10.

In the utility model, the LPG that hot joint 15 is installed on valve body 10 with one heart flows between end 11 and the safe LPG joint 14, thereby when length between the two is shortened, will be pushed away LPG source S and be stopped the LPG valve body 10 of flowing through thereby the LPG of valve body 10 flows into end 11.The heat shrink temperature of hot joint 15 about about Fahrenheit 240 degree, so when ambient temperature was lower than Fahrenheit 240 degree, valve body 10 linked to each other with LPG source S under normal conditions, allows LPG to flow to valve body 10 greatly.So, be ambient temperature when surpassing Fahrenheit 240 degree as fire, thereby hot joint 15 will shrink the Security that cut-out valve body 10 further improves this creation timing controller.

Valve body 10 also includes one and is used for controlling the LPG flow conditioner 16 that LPG flows, it includes a pressure membrane 161 and a LPG valve 162, pressure membrane 161 movably is sealed within the LPG passage 13, LPG valve 162 exercisable being connected on the pressure membrane 161 and with LPG passage 13 are connected with the LPG outlet 211 of LPG controller 20, when when the LPG of valve body 10 outflow end 12 pressure increase, part is closed the LPG flow that LPG valve 162 reduces the LPG outflow end 12 of the valve body 10 of flowing through thereby pressure membrane 161 is blown afloat, when when the LPG of valve body 10 outflow end 12 pressure reduce, partially open the LPG flow that LPG valve 162 increases the LPG outflow end 12 of the valve body 10 of flowing through thereby pressure membrane 161 is sucked back.In other words, thereby can control LPG stream control LPG valve 162, so that LPG stream is remained under the predetermined pressure by the motion of pressure membrane 162.

As shown in Figure 1, LPG flow conditioner 16 also includes a pressure spring 163, and it is used to pressure membrane 161 that a compressing power is provided, thereby so that can selectivity regulate the LPG flow of the motion amplitude control of pressure membrane 161 by LPG passage 13.

In the utility model, timing governor does not use the LPG flow indicator to indicate the pressure of LPG stream, thereby reduces the leakage of LPG at LPG flow indicator place as much as possible.So what LPG flow conditioner 16 can be also stable safely is the LPG stream decompression of flowing to outdoor LPG operative installations A place from the higher LPG source S of pressure.

LPG controller 20 stretches out and LPG through hole 21 is connected with LPG passage 13 from valve body 10, and its LPG controller 20 guiding LPG streams flow to LPG passage 13 by the LPG through hole 21 that its LPG exports 211 places from LPG source S.

As shown in Figure 2, safety installations 22 comprises the LPG stop valve 221 of a sphere, a seal ring 222 and an elastic component 223; LPG stop valve 221 movably is positioned within the LPG through hole 21 between LPG outlet 211 and the LPG import 212; Seal ring 222 is formed on the inner peripheral surface of LPG through hole 21; Elastic component 223 is placed within the LPG through hole 21, for LPG stop valve 221 provides a pressure, makes LPG stop valve 221 normalities be in a LPG flow locations; Wherein,, LPG stop valve 221 allow LPG stream to flow to LPG outlet 211 through LPG through hole 21 thereby being promoted to leave seal ring 222 by elastic component 223 in this normality LPG flow locations; And in closed position, thereby LPG stop valve 221 is moved to rest on the seal ring 222 and stops LPG stream through LPG through hole 21.

LPG stop valve 221 preferably is made of a steel, and its diameter is littler than the diameter of LPG through hole 21, so that LPG stop valve 221 can be promoted to move between LPG import 211 and LPG outlet 212 along LPG through hole 21 by LPG.

Seal ring 222 is the inner circumferential surface that is integrally formed at LPG through hole 21, stop the sliding movement of LPG stop valve 221 so that sealing ring 22 plays the effect of a stop valve, thereby 21 sealings of LPG through hole are stoped LPG stream process from LPG through hole 21 along LPG through hole 21.

In the utility model preferred embodiment, elastic component 223 is a pressure spring, and this both ends of the spring is against respectively on LPG outlet 211 and the LPG stop valve 221.This elastic component 223 is placed within the LPG through hole 21 and under normal conditions LPG stop valve 221 is pushed away seal ring 222 so that LPG stop valve 221 is remained on normality LPG circulation position, is exactly to flow into the LPG pressure that end 11 keeps a safety at the LPG of valve body 10.In an embodiment, in closed position, promptly when the LPG leakage takes place in timing governor, the pressure of valve body 10LPG outflow end 12 can be higher than the safe LPG pressure that valve body 10LPG flows into end 11 far away, so thereby this unbalanced pressure will inhale LPG stop valve 221 and rest on above the seal ring 222 blocking-up LPG and flow and pass through LPG through hole 21.

In case it is safe LPG pressure that timing governor returns normal pressure, compressed elastic component 223 will be unfolded back its original form and LPG stop valve 221 will be pushed away seal ring 222 so that allow LPG stream by LPG through hole 21.In other words, the control that safety installations 22 flows for LPG provides an operation automatically, and does not need manually-operable LPG stop valve 221 to be back into the LPG circulation position of its normality.

As shown in Figure 3, separate certain distance each other so that lay gear unit 313 betwixt by rigidity material such as made upper plate and the lower plate 311,312 of steel.Timing gear 31 also includes and a plurality ofly stretches to the lock spindle blade 314 of lower plate 312 from upper plate 311, these lock spindle blades 314 with the locking position of upper and lower plate in case betwixt with the mode of accurate combination firm hold gear unit 313.In other words, lock spindle blade 314 is that the effect of playing a lock locks timing gear 31 to form the single-piece assembly of an one.In addition, after timing gear 31 was formed an one single-piece assembly, it can be easy to and engage with LPG switch 32 very accurately, thereby had simplified the installation procedure of this creation timing governor.

Gear unit 313 is to be made of a plurality of gears that are meshing with each other together, wherein each gear of this gear unit 313 all be by the material of rigidity such as steel etc. make so that obtain longer working life.It is worthy of note that because gear unit is locked between the upper and lower plate 311,312, the gear of gear unit 313 can be meshing with each other each other accurately.In other words, the user can not be allowed to take apart voluntarily the timing gear 31 of this single-piece integral type and the engagement situation of adjusting gear unit 313, the situation that might cause timer arrangement 30 to work so voluntarily.

In the utility model preferred embodiment, be used to control LPG stream on the LPG switch 32 exercisable LPG of the being connected in flow conditioners 16, wherein this LPG switch 32 includes a start arm 321, and this start arm 321 is exercisable to be connected on the LPG valve 162 of LPG flow conditioner 16 and to regulate LPG valve 162 with the form that opens and closes.

Manually time switch 33 comprises a rotary switc 331 and a spring ring 332; Rotary switc 331 is by the rotating operating time section that is used for selecting LPG valve 162 on the valve body 10 that is installed on; Spring ring 332 be placed between the upper and lower plate 311,312 and with gear unit 313 exercisable combinations, be used for when rotary switc 331 is turned by hand, storing a spring force.In the present embodiment, when rotary switc 331 is turned, spring ring 332 will be stored the spring force of a prearranging quatity.So when spring ring 332 discharged this spring force, gear unit 313 will be pushed work till spring force all has been released.

In the utility model preferred embodiment, timer arrangement 30 provides the different time to be provided with to the timing governor of this creation.Timer arrangement 30 can be selected between " opening ", " pass " and " period " pattern.When rotary switc 331 is rotated the pattern of " opening ", the start arm 321 of LPG switch 32 will start the LPG valve 162 of LPG flow governor 16, allow LPG stream by the flow through LPG outflow end 12 of valve body 10 of LPG passage 13.When rotary switc 331 is rotated the pattern of " pass ", the start arm 321 of LPG switch 32 will start the LPG valve 162 of LPG flow governor 16, close LPG valve 162 and stop LPG stream by LPG passage 13.

When rotary switc 331 is rotated the pattern of " period ", spring ring 332 will store a default spring force, work in the default time period in this spring force actuation gear unit 313.Such as, when rotary switc is rotated the ten minutes section time, spring ring 332 has just stored a predetermined spring force, and the LPG valve 162 of the start arm 321 deactivation LPG flow governors 16 of enough LPG switches 32 allows LPG stream to pass through the LPG passage ten minutes.In other words, after ten minutes, the LPG valve 162 that the start arm 321 of LPG switch 32 will be closed LPG flow governor 16 stops LPG stream by LPG passage 13.

As shown in Figure 1, timing governor also includes a LPG connecting tube 40, and its LPG outflow end 12 from valve body 10 stretches out and by on the outdoor LPG operative installations of being connected to of the secure seal A.LPG connecting tube 40 includes a LPG bond head 41 and the LPG pipe 42 that rubber is made; LPG bond head 41 is used for being connected with the LPG import of outdoor LPG operative installations A; LPG pipe 42 has two ends, with the LPG outflow end 12 and 41 firm being connected of LPG bond head of valve body 10, is used to guide LPG stream to flow to outdoor LPG operative installations A from valve body 10 respectively.

LPG bond head 41 has a female thread portion, thereby this part can be spirally connected 40 firm being connected on the outdoor LPG operative installations A of LPG connecting tube mutually with the outside thread of the LPG inlet of outdoor LPG operative installations A.

LPG pipe 42 is by firm being connected between 10 LPG bond head 41 of valve body, and wherein two locking devices 43 are respectively at the two ends of the LPG of valve body 10 outflow end 12 and LPG bond head 41 places locking LPG pipe 42.In the present embodiment, the LPG of LPG connecting tube 40 pipe 42 has passed through the test of the U.S. " UL-569 ", has reached the safety standard of rubber LPG pipeline, thereby has guaranteed the tensile property of LPG pipe 42.

Inventor of the present utility model is in this statement emphatically, and displayed content and the utility model embodiment described above are presented for purpose of illustration and not limitation in the accompanying drawing.

Through disclosing in detail as above, can see that now the purpose of this utility model all is achieved completely effectively.In order to reach the function that shows this creation and the purpose of configuration aspects principle, illustrated and described embodiment of the present utility model, and all changes all do not deviate from the principle of this creation.So all variants of being contained in the spirit and scope of appended claims are forgiven by the utility model system.

Claims

1. a kind of timing governor that is used for outdoor liquefied petroleum gas (LPG) operative installations is characterized in that above-mentioned timing governor includes:

A valve body, above-mentioned valve body has a LPG and flows into end, a LPG outflow end that is connected with above-mentioned outdoor LPG operative installations, and LPG passage that communicates with above-mentioned LPG inflow end and LPG outflow end, wherein above-mentioned valve body also includes a safe LPG joint, firm being connected of a LPG supply mouth with above-mentioned LPG source, thereby there is an interior spiral shell button part to be spirally connected mutually firm being connected on the above-mentioned LPG source of above-mentioned valve body on the wherein above-mentioned safe LPG joint with an external screw part above the above-mentioned LPG supply mouth, above-mentioned valve body also includes a hot joint with predetermined thermal contractility, and above-mentioned hot joint is connected between the above-mentioned LPG of above-mentioned valve body flows into end place and above-mentioned safe LPG joint;

A LPG controller, it includes a LPG duct and a safety installations that is placed in the above-mentioned LPG duct; Above-mentioned LPG duct has a LPG outlet that communicates with above-mentioned LPG passage and a LPG inlet that is formed at the above-mentioned LPG inflow of above-mentioned valve body end; And, a timer arrangement, it is installed in the above-mentioned valve body, and wherein above-mentioned timer arrangement comprises:

A timing gear, it comprise a upper plate, one separately certain distance be arranged at lower plate and a gear unit that is arranged between above-mentioned upper plate and the lower plate under the above-mentioned upper plate, above-mentioned upper plate, lower plate and said gear unit form a single integrated type timing gear; A LPG switch, it is placed within the above-mentioned LPG passage of above-mentioned valve body and operationally is connected with above-mentioned timing gear; And, a manual time switch, it is arranged on the above-mentioned valve body and is rotatable, and with above-mentioned timing gear on state that gear unit is exercisable to be connected.

2. a kind of timing governor that is used for outdoor liquefied petroleum gas (LPG) operative installations as claimed in claim 1 is characterized in that: above-mentioned hot joint is that Fahrenheit 240 degree contractions are closed in temperature.

3. a kind of timing governor that is used for outdoor liquefied petroleum gas (LPG) operative installations as claimed in claim 1, it is characterized in that: above-mentioned valve body also includes a LPG flow conditioner that is used for controlling above-mentioned LPG stream, above-mentioned LPG flow conditioner includes a pressure membrane and a LPG valve, above-mentioned pressure membrane movably is sealed within the above-mentioned LPG passage, and above-mentioned LPG valve is exercisable to be connected on the above-mentioned pressure membrane and will to go up the LPG passage and export with the above-mentioned LPG of above-mentioned LPG controller and be connected.

4. a kind of timing governor that is used for outdoor liquefied petroleum gas (LPG) operative installations as claimed in claim 1 is characterized in that: above-mentioned safety installations comprises the LPG stop valve of a sphere, a seal ring and an elastic component; Above-mentioned LPG stop valve movably is positioned within the above-mentioned LPG through hole between the above-mentioned LPG outlet and above-mentioned LPG import; Above-mentioned seal ring is formed on the inner peripheral surface of above-mentioned LPG through hole; Above-mentioned elastic component is placed within the above-mentioned LPG through hole.

5. a kind of timing governor that is used for outdoor liquefied petroleum gas (LPG) operative installations as claimed in claim 1, it is characterized in that: above-mentioned timing gear also includes and a plurality ofly stretches to the lock spindle blade of above-mentioned lower plate from above-mentioned upper plate, above-mentioned a plurality of lock spindle blades with the locking position of above-mentioned upper and lower plate so that above-mentioned timing gear is formed a single unitary structure.

6. a kind of timing governor that is used for outdoor liquefied petroleum gas (LPG) operative installations as claimed in claim 1 is characterized in that: above-mentioned manual time switch comprises a rotary switc and a spring ring; Above-mentioned rotary switc is by the rotating operating time section that is used for selecting above-mentioned LPG valve on the above-mentioned valve body that is installed on; Above-mentioned spring ring is placed between the above-mentioned upper and lower plate and with the said gear unit is exercisable and combines.

7. a kind of timing governor that is used for outdoor liquefied petroleum gas (LPG) operative installations as claimed in claim 1, it is characterized in that: above-mentioned timing governor also includes a LPG connecting tube, and above-mentioned LPG connecting tube stretches out and by on the above-mentioned outdoor LPG operative installations of being connected to of secure seal from the above-mentioned LPG outflow end of above-mentioned valve body; Above-mentioned LPG connecting tube includes a LPG bond head and the LPG pipe that rubber is made; Above-mentioned LPG bond head is used for being connected with a LPG import of above-mentioned outdoor LPG operative installations; Above-mentioned LPG pipe has two ends, respectively with the above-mentioned LPG outflow end and firm being connected of above-mentioned LPG bond head of above-mentioned valve body, is used to guide above-mentioned LPG stream to flow to above-mentioned outdoor LPG operative installations from above-mentioned valve body.

8. a kind of timing governor that is used for outdoor liquefied petroleum gas (LPG) operative installations as claimed in claim 7, it is characterized in that: above-mentioned LPG bond head has a female thread portion, thereby above-mentioned female thread portion can be spirally connected firm being connected on the above-mentioned outdoor LPG operative installations of above-mentioned LPG connecting tube mutually with a male thread portion of the above-mentioned LPG inlet of above-mentioned outdoor LPG operative installations.