CN104033638B - A kind of accident extinguishment of gas stove protection valve - Google Patents
A kind of accident extinguishment of gas stove protection valve Download PDFInfo
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- CN104033638B CN104033638B CN201410254914.0A CN201410254914A CN104033638B CN 104033638 B CN104033638 B CN 104033638B CN 201410254914 A CN201410254914 A CN 201410254914A CN 104033638 B CN104033638 B CN 104033638B
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- ratchet
- heavy
- shifting block
- gas
- driving lever
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
- F16K17/363—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position the closure members being rotatable or pivoting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K21/00—Fluid-delivery valves, e.g. self-closing valves
- F16K21/04—Self-closing valves, i.e. closing automatically after operation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/002—Actuating devices; Operating means; Releasing devices actuated by temperature variation
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
A kind of accident extinguishment of gas stove protection valve, there is the steam outlet pipe being integrally formed in main valve body upper end, be connected to the jet assembly on steam outlet pipe and be integrally formed in the air inlet nozzle of main valve body lower end, the faucet hole being communicated with air inlet nozzle and steam outlet pipe is provided with in the gas-tight silo of main valve body, cock is inserted with in faucet hole, one end of cock is fastened on the rotary switch of main valve body exterior edge face, the other end and the ratchet phase bridle joint be arranged in this port of faucet hole of cock, ratchet connects an end of revolution spring, revolution spring the other end be connected to be positioned at main valve body gas-tight silo straight pin on, the periphery of ratchet connect be positioned at gas-tight silo can cock be driven automatically to cut off air inlet with the conducting of giving vent to anger by revolution spring and ratchet successively to make rotary switch reset to the automatic cyclotron mechanism of closed condition, the outside of main valve body is connected with the thermosensor that can control automatic cyclotron mechanism action by adpting flange.The present invention can be circled round closedown gas cooker valve automatically, effectively preventing an accident flame-outly to leak combustion gas.
Description
Technical field
The present invention relates to a kind of accident extinguishment of gas stove protection valve.Particularly relate to one can prevent accident extinguishment of gas stove or because of unclosed valve close put in place and leak combustion gas time, closed position of automatically valve knob being circled round to accident extinguishment of gas stove protection valve.
Background technique
Because inflammable gas is as the clean environment firendly energy, be widely used in industrial and agricultural production and resident living.In use, because leaking poisoning, fire that combustion gas causes, the disaster accident of blast happens occasionally, and preventing gas leakage just becomes worldwide research topic.
People have carried out long felt for this reason, and propose various scheme.The present inventor once proposed Chinese utility model patent ZL0023422.3 automatic protecting gas hose, Chinese utility model patent ZL201220345114.6 gives a kind of automatic protecting gas fuel ball valve and Chinese utility model patent ZL201320069761.3 automatic protecting gas fuel valve and apply for a patent 201310186461.8 superpressures, overcurrent automatically shuts down fuel gas ball valve.But it is two interacted systems that the combustion gas of prevention pipe leakage leaks combustion gas with prevention accident extinguishment of gas stove, the present inventor also once proposed two kinds of technological scheme Chinese utility model patent ZL02237294.6 flameout of gas-fired stove gas leakage automatic protecting knob and the another kind of gas combustion range flameout Safety valve of Chinese utility model patent ZL02266667.2 for accident extinguishment of gas stove problem, define indoor fuel gas security protection system, through facts have proved of more than ten years, serve effective security personnel effect for getting rid of accident potential.But due to new technology development, the gas cooker technology of existing accident extinguishment of gas stove protection valve inapplicable existing day different renewal, must grow with each passing hour and weed out the old and bring forth the new.
The gas combustion range flameout protector of prior art; at present both at home and abroad all using thermocouple as startup control switch; because thermocouple is made up of two kinds of metals; not flame resistant ablation; once metal chain structure is because of ablation, disorder would not produce potential difference, also just loses on-off action, especially; to lose after automatic closing function also without significant reaction, therefore still there is potential potential safety hazard.The another kind of Valve for gas range gate technique controlled by thermosensor has been not suitable with technology today sexual needs.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of can automatically convolution to close the valve of gas cooker, and can prevent an accident the flame-out accident extinguishment of gas stove protection valve leaking combustion gas effectively.
The technical solution adopted in the present invention is: a kind of accident extinguishment of gas stove protection valve, include the main valve body being stamped capping, be integrally formed in the steam outlet pipe of main valve body upper end, be connected to the jet assembly on steam outlet pipe and be integrally formed in the air inlet nozzle of main valve body lower end, the faucet hole being communicated with described air inlet nozzle and described steam outlet pipe is respectively provided with in the gas-tight silo of described main valve body, insert useful in the cock controlling conducting between described air inlet nozzle and described steam outlet pipe in described faucet hole, one end of described cock is fastened on the rotary switch on main valve body exterior edge face, the other end and the ratchet phase bridle joint be arranged in this end port of faucet hole of described cock, described ratchet connects an end of revolution spring, the other end of described revolution spring be connected to be positioned at main valve body gas-tight silo straight pin on, the periphery of described ratchet connect be positioned at gas-tight silo can cock be driven automatically to cut off the conducting of air inlet nozzle and described steam outlet pipe and make rotary switch reset to the automatic cyclotron mechanism of closed condition by revolution spring and ratchet successively, the outside of described main valve body is connected with the thermosensor that can control automatic cyclotron mechanism action by adpting flange.
Described automatic cyclotron mechanism include be fixed on be positioned at gas-tight silo internal upper part shifting block location base station on shifting block, be fixed on that to be positioned on the very heavy location base station of gas-tight silo bottom very heavy, be positioned at the driving lever of described shifting block and very heavy side, wherein, lower end and the described very heavy upper end phase bridle joint of described shifting block, the side of shifting block and the side phase bridle joint of driving lever, the upper end of described driving lever is connected with and driving lever can be driven when normal ignition to make very heavyly to ensure that rotary switch is in the thermosensor of open mode with ratchet bridle joint down through shifting block, the lower end of described driving lever is provided with and Mobile Communication on driving lever can be driven to cross shifting block when accident extinguishing to make very heavy disengaging ratchet, make return spring cock and rotary switch being rotated to closed position from ratchet under the drive of revolution spring.
Described shifting block include be formed in shifting block body central for being located the shifting block axis hole that base station is fixedly connected with by shifting block retaining screw and described shifting block, be integrally formed in respectively described shifting block body peripheral for the shifting block tooth with described driving lever phase bridle joint with for the shifting block circular arc with described very heavy phase bridle joint, be formed in the shifting block groove of described shifting block axis hole periphery, what to be provided with the shifting block retaining screw be inserted in described shifting block axis hole in described shifting block groove be axle sets spring ahead, described one end of setting spring ahead is not in shifting block groove, the other end is not on the inwall of the gas-tight silo of main valve body.
Described very heavyly include the very heavy axis hole for being fixedly connected with described very heavy location base station by very heavy retaining screw being formed in very heavy body one end, be integrally formed in respectively the very heavy body the other end for the very heavy tooth of described ratchet phase bridle joint and be positioned at very heavy flank limit for the very heavy platform with the shifting block circular arc phase bridle joint on described shifting block, be formed in the very heavy groove of described very heavy axis hole periphery, be provided with in described very heavy groove to be inserted into the very heavy spring that the very heavy retaining screw in very heavy axis hole is axle, one end of described very heavy spring is not in described very heavy groove, the other end is not on the inwall of the gas-tight silo of main valve body.
Described driving lever includes the driving lever body of cylinder type, be integrally formed in described driving lever body upper end for the driving lever tooth with the shifting block tooth phase bridle joint on described shifting block, being integrally formed in the axle on the driving lever contacted with described thermosensor on driving lever tooth upper-end surface, being integrally formed in the driving lever lower shaft for being connected with described return spring of driving lever body lower end.
Described cock includes cock body, be integrally formed in the connecting head for being connected with described rotary switch of cock body one end, be integrally formed in the cock boss for being connected with described ratchet phase bridle joint of the cock body the other end, described cock body is formed with the inlet hole and air outlet hole that are interconnected, described inlet hole is connected with described air inlet nozzle, and described air outlet hole is connected with described steam outlet pipe.
Described ratchet includes a side opening and is formed with the groove type ratchet body be inwardly recessed, the bottom outside of described ratchet body is provided with ratchet outer shaft, bottom inside is provided with described ratchet outer shaft with axle in dog end, described ratchet outer shaft has the ratchet outer shaft groove for hook revolution spring, in described ratchet, the end of axle is formed for the ratchet boss with the mutual bridle joint of described cock, in described ratchet, the periphery of axle is formed for being set with axle groove in the ratchet of spring retainer circle that restriction ratchet deviates from from the faucet hole of main valve body, the periphery of described ratchet body be formed one week for described restriction ratchet circle round very heavy on the ratchet of very heavy tooth phase bridle joint saw shape tooth.
Described thermosensor includes: one end is provided with the sleeve that the sleeve cap the other end is opening, for the cylinder that the driving lever promoted in automatic cyclotron mechanism moves down, and one end is inserted in sleeve from the opening end of sleeve, the other end connects the U-shaped pipe of cylinder, the center of described sleeve cap is formed with the internal thread of sleeve through with sleeve, and connect thermal-arrest pin by described internal thread of sleeve, one end of described thermal-arrest pin is cone structure, the other end is formed with the thermal-arrest pin Inner arc for combining with the end of described U-shaped pipe, the periphery of described thermal-arrest pin is the thermal-arrest pin outside thread for combining with described internal thread of sleeve, U-shaped gas circulation channel is formed in described U-shaped pipe, one end of described U-shaped pipe is the connection end of U-shaped gas circulation channel and the U-shaped pipe bend structure formed for combining with the thermal-arrest pin Inner arc of thermal-arrest pin, the other end of U-shaped pipe is two opening ends of U-shaped gas circulation channel, two described opening ends form U-shaped gas circulation channel by described cylinder.
Described cylinder includes: the cylinder body that front and back are through, described cylinder body is formed with the cylinder flange for being fixedly connected with main valve body, one end of described cylinder body is formed with diameter and is greater than the diameter of cylinder body and shoulder in the female cylinder of tool, the diameter of the other end formation of described cylinder body is less than the piston hole of cylinder body diameter, described cylinder body is inserted with top by shoulder in cylinder and forms reeded rubber seal cap, diplopore screw has been threaded connection in shoulder in described cylinder, what on described diplopore screw, front and back were through is formed with two for the corresponding U-shaped pipe pilot holes inserting two opening ends of U-shaped pipe of difference, the bottom of described diplopore screw is embedded into the top of rubber seal cap, thus make the groove in described rubber seal crown portion form with the U-shaped pipe in the U-shaped pipe pilot hole being inserted into diplopore screw the gas circulation channel be communicated with, be provided with one end in the piston hole of described cylinder body and be positioned at the T-shaped tubular piston that the cylinder body the other end is positioned at cylinder body outside, wherein, the end being arranged in the T-shaped tubular piston of cylinder body outside is formed with the shrinkage pool that axle is connected on the driving lever on the driving lever top with automatic cyclotron mechanism.
A kind of accident extinguishment of gas stove protection valve of the present invention; integrated with kitchen range valve owing to achieving flame-out protection device; and obviously can observe stove knob switch whether to circle round closed position when accident extinguishing, also just evade electronic component and controlled flame-out protection device and damage the hidden danger not easily discovered.More reliably, once supplement closing motion with no matter gas cooker valve closes whether to put in place to do after complete kitchen range at every turn, make the application of kitchen range more safe and reliable.So the present invention has dual functions, more reliably, durable, and the closedown gas cooker valve that can automatically circle round, effectively can prevent an accident and flame-outly leaking combustion gas, compared with prior art, the present invention has the following advantages:
1, this accident extinguishment of gas stove protection valve, adopts heat sensitive sensor as switching power, without the need to electricity consumption, eliminates the weakness of electronic component non-refractory and oil smoke surroundings, reliable, durable;
2, this accident extinguishment of gas stove protection valve, adopts the automatic cyclotron mechanism of mechanical type, more reliable, durable to turn round spring storing power;
3, this accident extinguishment of gas stove protection valve, have manually, automatically, dual functions, especially, no matter shut valve with complete kitchen range and whether arrive and can do once supplementary closing motion.
Accompanying drawing explanation
Fig. 1 is the external structure schematic diagram of accident extinguishment of gas stove of the present invention protection valve;
Fig. 2 is the exploded perspective view of Fig. 1;
Fig. 3 is the portion of external structural representation of accident extinguishment of gas stove of the present invention protection valve;
Fig. 4 is the structural representation of the automatic cyclotron mechanism of the present invention;
Fig. 5 is the structural representation of main valve body of the present invention;
Fig. 6 is the structural representation of cock of the present invention;
Fig. 7 is the structural representation of ratchet of the present invention;
Fig. 8 is revolution spring structure schematic diagram of the present invention;
Fig. 9 is the very heavy structural representation of the present invention;
Figure 10 is the structural representation of shifting block of the present invention;
Figure 11 is the structural representation of capping of the present invention;
Figure 12 is the structural representation of rubber gasket of the present invention;
Figure 13 is the structural representation of driving lever of the present invention;
Figure 14 is the structural representation of thermosensor of the present invention;
Figure 15 is the structural representation of thermal-arrest pin in thermosensor;
Figure 16 is the schematic diagram of thermosensor middle sleeve structure;
Figure 17 is the structural representation of U-shaped pipe in thermosensor;
Figure 18 is the structural representation of diplopore screw in thermosensor;
Figure 19 is the structural representation of rubber seal cap in thermosensor;
Figure 20 is the structural representation of cylinder body in thermosensor;
Figure 21 is the structural representation of piston in thermosensor.
In figure
1: capping 2: rubber gasket
3: revolution spring 4: ratchet
5, spring retainer circle 6, very heavy
7, very heavy spring 8, shifting block
9, spring 10, main valve body is set ahead
11, cock 12, rotary switch
13, straight pin 14, return spring
15, driving lever 16, rubber seal
17, thermosensor assembly 18, air inlet nozzle
19, steam outlet pipe 20, air door spring
21, air door 22, nozzle
23, adpting flange 24, very heavy retaining screw
25, faucet hole base station 26, faucet hole
27, straight pin pilot hole 28, gas-tight silo
29, very heavy location base station 30, shifting block location base station
31, driving lever pilot hole 32, capping assembling screw
33, shoulder in cylinder pilot hole 34, adpting flange screw
35, thermal-arrest pin 36, sleeve
37, U-shaped pipe 38, diplopore screw
39, rubber seal cap 40, cylinder
41, piston 42, cylinder flange
43, axle in cock boss 44, ratchet
45, axle groove in ratchet boss 46, ratchet
47, ratchet body 48, ratchet outer shaft
49, ratchet outer shaft groove 50, ratchet saw shape tooth
51, hook 52 in spring, the outer hook of revolution spring is turned round
53, very heavy groove 54, very heavy axis hole
55, very heavy tooth 56, very heavy platform
57, shifting block axis hole 58, shifting block tooth
59, shifting block circular arc 60, capping pilot hole
61, base station 62, seal groove is located
63, axle on ratchet outer shaft positioning hole 64, driving lever
65, driving lever tooth 66, driving lever lower shaft
67, thermal-arrest pin Inner arc 68, internal thread of sleeve
69, U-shaped pipe bend structure 70, U-shaped gas circulation channel
71, U-shaped pipe pilot hole 72, groove
73, shoulder 74, piston hole in cylinder
75, shrinkage pool 76: shifting block groove
77: shifting block retaining screw 78: shifting block body
79: very heavy body 80: driving lever body
81: cock body 82: connecting head
83: inlet hole 84: air outlet hole
85: sleeve cap 86: thermal-arrest pin outside thread
87: cylinder body 88: retaining screw
Embodiment
Below in conjunction with embodiment and accompanying drawing, a kind of accident extinguishment of gas stove protection valve of the present invention is described in detail.
As Fig. 1, Fig. 2, shown in Fig. 5, a kind of accident extinguishment of gas stove protection valve of the present invention, include the main valve body 10 being stamped capping 1, be integrally formed in the steam outlet pipe 9 of main valve body 10 upper end, be connected to the jet assembly on steam outlet pipe 9 and be integrally formed in the air inlet nozzle 18 of main valve body 10 lower end, the faucet hole 26 being communicated with described air inlet nozzle 18 and described steam outlet pipe 9 is respectively provided with in the gas-tight silo 28 of described main valve body 10, insert useful in the cock 11 controlling conducting between described air inlet nozzle 18 and described steam outlet pipe 9 in described faucet hole 26, one end of described cock 11 is fastened on the rotary switch 12 on main valve body 10 exterior edge face, the other end and the ratchet 4 phase bridle joint be arranged in this end port of faucet hole 26 of described cock 11, described ratchet 4 connects an end of revolution spring 3, the other end of described revolution spring 3 be connected to be positioned at main valve body 10 gas-tight silo 28 straight pin 13 on, the periphery connection of described ratchet 4 is positioned at can driving the conducting of cock 11 automatic cut-out air inlet nozzle 18 and described steam outlet pipe 9 by revolution spring 3 and ratchet 4 successively and make rotary switch 12 reset to the automatic cyclotron mechanism of closed condition of gas-tight silo 28, the outside of described main valve body 10 is connected with the thermosensor 17 that can control automatic cyclotron mechanism action by adpting flange 23.
As shown in Figure 8, one end that described revolution spring 3 connects ratchet 4 is positioned at the center turning round spring 3, and be formed and hook 51 in the revolution spring of the ratchet outer shaft groove 49 phase hook on ratchet 4, the periphery of described revolution spring 3 is formed with the outer hook 52 of the revolution spring be hooked on straight pin 13.
As shown in Fig. 5, Figure 11, Figure 12, capping 1 by the capping pilot hole 60 on the base station 61 of location, the capping assembling screw on main valve body 10, and rubber gasket is fixed with main valve body 10 and is tightly connected, thus make main valve body 10 be formed with gas-tight silo 28.Described capping 1 is also formed with ratchet outer shaft positioning hole 63.
As Fig. 3, Fig. 4, shown in Fig. 5, described automatic cyclotron mechanism include be fixed on be positioned at gas-tight silo 28 internal upper part shifting block location base station 30 on shifting block 8, be fixed on be positioned on the very heavy location base station 29 of gas-tight silo 28 bottom very heavy 6, be positioned at the driving lever 15 of described shifting block 8 and very heavy 6 sides, wherein, the lower end of described shifting block 8 and the upper end phase bridle joint of described very heavy 6, the side of shifting block 8 and the side phase bridle joint of driving lever 15, the upper end of described driving lever 15 is connected with and driving lever 15 can be driven to make very heavy 6 to ensure that rotary switch 12 is in the thermosensor 17 of open mode with ratchet 4 bridle joint down through shifting block 8 when normal ignition, the lower end of described driving lever 15 is provided with and Mobile Communication on driving lever 15 can be driven to cross shifting block 8 when accident extinguishing to make very heavy 6 to depart from ratchets 4, make the return spring 14 cock 11 and rotary switch 12 being rotated to closed position from ratchet 4 under the drive of revolution spring 3.
As shown in Figure 10, described shifting block 8 include be formed in shifting block body 78 center for being located the shifting block axis hole 57 that base station 30 is fixedly connected with by shifting block retaining screw 77 and described shifting block, be integrally formed in respectively described shifting block body 78 periphery for the shifting block tooth 58 with described driving lever 15 phase bridle joint with for the shifting block circular arc 59 with described very heavy 6 phase bridle joints, be formed in the shifting block groove 76 of described shifting block axis hole 57 periphery, what to be provided with the shifting block retaining screw 77 be inserted in described shifting block axis hole 57 in described shifting block groove 76 be axle sets spring 9 ahead, described one end of setting spring 9 ahead is not in shifting block groove 76, the other end is not on the inwall of the gas-tight silo 28 of main valve body 10.The ratchet saw shape tooth 50 that very heavy 6 depart from ratchet 4 is stirred in the effect of shifting block 8, makes revolution spring 3 can drive ratchet 4 that cock 11 and rotary switch 12 are rotated to closed position.
As shown in Figure 9, described very heavy 6 include the very heavy axis hole 54 for being fixedly connected with described very heavy location base station 29 by very heavy retaining screw 24 being formed in very heavy body 79 one end, be integrally formed in respectively very heavy body 79 the other end for the very heavy tooth 55 of described ratchet 4 phase bridle joint and be positioned at very heavy tooth 55 side for the very heavy platform 56 with the shifting block circular arc 59 phase bridle joint on described shifting block 8, be formed in the very heavy groove 53 of described very heavy axis hole 54 periphery, described very heavy tooth 55 is beated and is limited ratchet convolution in the ratchet saw shape tooth 50 of ratchet 4, be provided with in described very heavy groove 53 to be inserted into the very heavy spring 7 that the very heavy retaining screw 24 in very heavy axis hole 54 is axle, one end of described very heavy spring 7 is not in described very heavy groove 53, the other end is not on the inwall of the gas-tight silo 28 of main valve body 10.
As shown in figure 13, described driving lever 15 includes the driving lever body 80 of cylinder type, be integrally formed in described driving lever body 80 upper end for the driving lever tooth 65 with the shifting block tooth 58 phase bridle joint on described shifting block 8, being integrally formed in the axle 64 on the driving lever contacted with described thermosensor 17 on driving lever tooth 65 upper-end surface, being integrally formed in the driving lever lower shaft 66 for being connected with described return spring 14 of driving lever body 80 lower end.
As shown in Figure 6, described cock 11 includes cock body 81, be integrally formed in the connecting head 82 for being connected with described rotary switch 12 of cock body 81 one end, be integrally formed in the cock boss 43 for being connected with described ratchet 4 phase bridle joint of cock body 81 the other end, described cock body 81 is formed with the inlet hole 83 be interconnected and air outlet hole 84, described inlet hole 83 is connected with described air inlet nozzle 18, and described air outlet hole 84 is connected with described steam outlet pipe 9.
As shown in Figure 7, described ratchet 4 includes a side opening and is formed with the groove type ratchet body 47 be inwardly recessed, the bottom outside of described ratchet body 47 is provided with ratchet outer shaft 48, bottom inside is provided with described ratchet outer shaft 48 with axle in dog end 44, described ratchet outer shaft 48 has the ratchet outer shaft groove 49 for hook revolution spring 3, in described ratchet, the end of axle 44 is formed for the ratchet boss 45 with the mutual bridle joint of described cock 11, in described ratchet, the periphery of axle 44 is formed for being set with axle groove 46 in the ratchet of spring retainer circle 5 that restriction ratchet 4 deviates from from the faucet hole 26 of main valve body 10, the periphery of described ratchet body 47 be formed one week for described restriction ratchet 4 circle round very heavy 6 on the ratchet of very heavy tooth 55 phase bridle joint saw shape tooth 50.
As shown in Figure 14, Figure 16, described thermosensor 17 includes: one end is provided with the sleeve 36 that sleeve cap 85 the other end is opening, for the cylinder 40 that the driving lever 15 promoted in automatic cyclotron mechanism moves down, and one end is inserted in sleeve 36 from the opening end of sleeve 36, the other end connects the U-shaped pipe 37 of cylinder 40, the center of described sleeve cap 85 is formed with the internal thread of sleeve 68 through with sleeve 36, and connects thermal-arrest pin 35 by described internal thread of sleeve 68.
As shown in figure 15, one end of described thermal-arrest pin 35 is cone structure, the other end is formed with the thermal-arrest pin Inner arc 67 for combining with the end of described U-shaped pipe 37, and the periphery of described thermal-arrest pin 35 is the thermal-arrest pin outside thread 86 for combining with described internal thread of sleeve 68.
As shown in figure 17, U-shaped gas circulation channel 70 is formed in described U-shaped pipe 37, one end of described U-shaped pipe 37 is the connection end of U-shaped gas circulation channel 70 and the U-shaped pipe bend structure 69 formed for combining with the thermal-arrest pin Inner arc 67 of thermal-arrest pin 35, the other end of U-shaped pipe 37 is two opening ends of U-shaped gas circulation channel 70, and two described opening ends form U-shaped gas circulation channel 70 by described cylinder 40.
As Figure 14, 18, 19, 20, shown in 21, described cylinder 40 includes: the cylinder body 87 that front and back are through, described cylinder body 87 is formed with the cylinder flange 42 for being fixedly connected with main valve body 10, one end of described cylinder body 87 is formed with diameter and is greater than the diameter of cylinder body 87 and shoulder 73 in the female cylinder of tool, the diameter of the other end formation of described cylinder body 87 is less than the piston hole 74 of cylinder body 87 diameter, described cylinder body 87 is inserted with by shoulder in cylinder 73 the rubber seal cap 39 that top is formed with groove 72, diplopore screw 38 has been threaded connection in shoulder 73 in described cylinder, what on described diplopore screw 38, front and back were through is formed with two for the corresponding U-shaped pipe pilot holes 71 inserting two opening ends of U-shaped pipe 37 of difference, the bottom of described diplopore screw 38 is embedded into the top of rubber seal cap 39, thus make the groove 72 at described rubber seal cap 39 top form with the U-shaped pipe 37 in the U-shaped pipe pilot hole 71 being inserted into diplopore screw 38 gas circulation channel be communicated with, be provided with one end in the piston hole 74 of described cylinder body 87 and be positioned at the T-shaped tubular piston 41 that cylinder body 87 the other end is positioned at cylinder body 87 outside, wherein, the end being arranged in the T-shaped tubular piston 41 of cylinder body 87 outside is formed with the shrinkage pool 75 that axle 64 is connected on the driving lever on driving lever 15 top with automatic cyclotron mechanism.
The working procedure of a kind of accident extinguishment of gas stove protection valve of the present invention is: be fixed on kitchen range by accident extinguishment of gas stove protection valve of the present invention; while opening kitchen range; also saw at ratchet restriction ratchet 4 of beating between shape tooth 50 by the boss 43 switch ratchet 4, very heavy 6 of cock while rotating cock 11 by rotary switch 12 to circle round under the effect of revolution spring 3.Pressure in thermosensor 17 heat produces, and pressure balanced in keeping under the condition of circulation that colds and heat succeed each other, rubber seal cap 39 stretches promotion piston 41 by compression swelling and elects driving lever 15 and cross shifting block 8 automatic cyclotron mechanism is stood alert.Meeting accident extinguishing or gas cooker valve does not close when putting in place flame-out, cold decompression met by thermosensor 17, return spring 14 promotes driving lever 15 moves to be stirred shifting block 8 and makes very heavy 6 to depart from ratchets saw shape teeth 50, ratchet 4 to be circled round to closed position by the ratchet boss 45 switch cock 11 of axle in ratchet 44 and rotary switch 12 under the effect of revolution spring 3, realizes the automatic closing control of accident extinguishment of gas stove thus.
A kind of accident extinguishment of gas stove protection valve of the present invention; integrated with kitchen range valve owing to achieving flame-out protection device; and obviously can observe rotary switch whether to circle round closed position when accident extinguishing; also after just having evaded the damage of electronic component control flame-out protection device, the hidden danger not easily discovered.Especially, each with after complete kitchen range, no matter gas cooker valve closes whether to put in place to do once is supplemented closing motion, makes the application of kitchen range more safe and reliable.
Claims (9)
1. an accident extinguishment of gas stove protection valve, include the main valve body (10) being stamped capping (1), be integrally formed in the steam outlet pipe (9) of main valve body (10) upper end, be connected to the jet assembly on steam outlet pipe (9) and be integrally formed in the air inlet nozzle (18) of main valve body (10) lower end, it is characterized in that, the faucet hole (26) being communicated with described air inlet nozzle (18) and described steam outlet pipe (9) is respectively provided with in the gas-tight silo (28) of described main valve body (10), insert useful in the cock (11) controlling conducting between described air inlet nozzle (18) and described steam outlet pipe (9) in described faucet hole (26), one end of described cock (11) is fastened on the rotary switch (12) on main valve body (10) exterior edge face, the other end and ratchet (4) the phase bridle joint be arranged in this end port of faucet hole (26) of described cock (11), the upper end connecting revolution spring (3) of described ratchet (4), the other end of described revolution spring (3) is connected to and is positioned on the straight pin (13) of main valve body (10) gas-tight silo (28), the periphery of described ratchet (4) connect be positioned at gas-tight silo (28) can cock (11) be driven automatically to cut off the conducting of air inlet nozzle (18) and described steam outlet pipe (9) and make rotary switch (12) reset to the automatic cyclotron mechanism of closed condition by revolution spring (3) and ratchet (4) successively, the outside of described main valve body (10) is connected with the thermosensor (17) that can control automatic cyclotron mechanism action by adpting flange (23).
2. a kind of accident extinguishment of gas stove protection valve according to claim 1, it is characterized in that, described automatic cyclotron mechanism includes the shifting block (8) on shifting block location base station (30) that is fixed on and is positioned at gas-tight silo (28) internal upper part, be fixed on very heavy (6) that are positioned on very heavy location base station (29) of gas-tight silo (28) bottom, be positioned at the driving lever (15) of described shifting block (8) and very heavy (6) side, wherein, the lower end of described shifting block (8) and the upper end phase bridle joint of described very heavy (6), the side of shifting block (8) and the side phase bridle joint of driving lever (15), the upper end of described driving lever (15) is connected with and driving lever (15) can be driven to make very heavy (6) and ratchet (4) bridle joint ensure that rotary switch (12) is in the thermosensor (17) of open mode down through shifting block (8) when normal ignition, the lower end of described driving lever (15) is provided with and the upper Mobile Communication of driving lever (15) can be driven to cross shifting block (8) when accident extinguishing to make very heavy (6) depart from ratchet (4), make the return spring (14) cock (11) and rotary switch (12) being rotated to closed position from ratchet (4) under the drive of revolution spring (3).
3. a kind of accident extinguishment of gas stove protection valve according to claim 2, it is characterized in that, described shifting block (8) include be formed in shifting block body (78) center for being located the shifting block axis hole (57) that base station (30) is fixedly connected with by shifting block retaining screw (77) and described shifting block, be integrally formed in respectively described shifting block body (78) periphery for the shifting block tooth (58) with described driving lever (15) phase bridle joint with for the shifting block circular arc (59) with described very heavy (6) phase bridle joint, be formed in the shifting block groove (76) of described shifting block axis hole (57) periphery, what to be provided with the shifting block retaining screw (77) be inserted in described shifting block axis hole (57) in described shifting block groove (76) be axle sets spring (9) ahead, described one end of setting spring (9) ahead is not in shifting block groove (76), the other end is not on the inwall of the gas-tight silo (28) of main valve body (10).
4. a kind of accident extinguishment of gas stove protection valve according to claim 2, it is characterized in that, described very heavy (6) include the very heavy axis hole (54) for being fixedly connected with described very heavy location base station (29) by very heavy retaining screw (24) being formed in very heavy body (79) one end, be integrally formed in respectively very heavy body (79) the other end for the very heavy tooth (55) of described ratchet (4) phase bridle joint and be positioned at very heavy tooth (55) side for the very heavy platform (56) with shifting block circular arc (59) the phase bridle joint on described shifting block (8), be formed in the very heavy groove (53) of described very heavy axis hole (54) periphery, be provided with in described very heavy groove (53) to be inserted into the very heavy spring (7) that the very heavy retaining screw (24) in very heavy axis hole (54) is axle, one end of described very heavy spring (7) is not in described very heavy groove (53), the other end is not on the inwall of the gas-tight silo (28) of main valve body (10).
5. a kind of accident extinguishment of gas stove protection valve according to claim 2, it is characterized in that, described driving lever (15) includes the driving lever body (80) of cylinder type, be integrally formed in described driving lever body (80) upper end for the driving lever tooth (65) with shifting block tooth (58) the phase bridle joint on described shifting block (8), be integrally formed in the axle (64) on the driving lever contacted with described thermosensor (17) on driving lever tooth (65) upper-end surface, be integrally formed in the driving lever lower shaft (66) for being connected with described return spring (14) of driving lever body (80) lower end.
6. a kind of accident extinguishment of gas stove protection valve according to claim 1, it is characterized in that, described cock (11) includes cock body (81), be integrally formed in the connecting head (82) for being connected with described rotary switch (12) of cock body (81) one end, be integrally formed in the cock boss (43) for being connected with described ratchet (4) phase bridle joint of cock body (81) the other end, described cock body (81) is formed with the inlet hole (83) be interconnected and air outlet hole (84), described inlet hole (83) is connected with described air inlet nozzle (18), described air outlet hole (84) is connected with described steam outlet pipe (9).
7. a kind of accident extinguishment of gas stove protection valve according to claim 1, it is characterized in that, described ratchet (4) includes a side opening and is formed with the groove type ratchet body (47) be inwardly recessed, the bottom outside of described ratchet body (47) is provided with ratchet outer shaft (48), bottom inside is provided with described ratchet outer shaft (48) with axle in dog end (44), described ratchet outer shaft (48) has the ratchet outer shaft groove (49) for hook revolution spring (3), in described ratchet, the end of axle (44) is formed for the ratchet boss (45) with the mutual bridle joint of described cock (11), in described ratchet, the periphery of axle (44) is formed for being set with axle groove (46) in the ratchet of spring retainer circle (5) that restriction ratchet (4) deviates from from the faucet hole (26) of main valve body (10), the periphery of described ratchet body (47) is formed with one week ratchet for very heavy tooth (55) the phase bridle joint on very heavy (6) of circling round with described restriction ratchet (4) and saws shape tooth (50).
8. a kind of accident extinguishment of gas stove protection valve according to claim 1, it is characterized in that, described thermosensor (17) includes: one end is provided with the sleeve (36) that sleeve cap (85) the other end is opening, for the cylinder (40) that the driving lever (15) promoted in automatic cyclotron mechanism moves down, and one end is inserted in sleeve (36) from the opening end of sleeve (36), the other end connects the U-shaped pipe (37) of cylinder (40), the center of described sleeve cap (85) is formed with the internal thread of sleeve (68) through with sleeve (36), and connect thermal-arrest pin (35) by described internal thread of sleeve (68), one end of described thermal-arrest pin (35) is cone structure, the other end is formed with the thermal-arrest pin Inner arc (67) for combining with the end of described U-shaped pipe (37), the periphery of described thermal-arrest pin (35) is the thermal-arrest pin outside thread (86) for combining with described internal thread of sleeve (68), U-shaped gas circulation channel (70) is formed in described U-shaped pipe (37), one end of described U-shaped pipe (37) is the connection end of U-shaped gas circulation channel (70) and forms the U-shaped pipe bend structure (69) being used for combining with the thermal-arrest pin Inner arc (67) of thermal-arrest pin (35), the other end of U-shaped pipe (37) is two opening ends of U-shaped gas circulation channel (70), two described opening ends form U-shaped gas circulation channel (70) by described cylinder (40).
9. a kind of accident extinguishment of gas stove protection valve according to claim 8, it is characterized in that, described cylinder (40) includes: the cylinder body (87) that front and back are through, described cylinder body (87) is formed with the cylinder flange (42) for being fixedly connected with main valve body (10), one end of described cylinder body (87) is formed with diameter and is greater than the diameter of cylinder body (87) and shoulder (73) in the female cylinder of tool, the diameter of the other end formation of described cylinder body (87) is less than the piston hole (74) of cylinder body (87) diameter, described cylinder body (87) is inserted with by shoulder in cylinder (73) the rubber seal cap (39) that top is formed with groove (72), diplopore screw (38) has been threaded connection in shoulder (73) in described cylinder, what the upper front and back of described diplopore screw (38) were through is formed with two for the corresponding U-shaped pipe pilot holes (71) inserting two opening ends of U-shaped pipe (37) of difference, the bottom of described diplopore screw (38) is embedded into the top of rubber seal cap (39), thus make the groove (72) at described rubber seal cap (39) top form with the U-shaped pipe (37) in the U-shaped pipe pilot hole (71) being inserted into diplopore screw (38) gas circulation channel be communicated with, be provided with one end in the piston hole (74) of described cylinder body (87) and be positioned at the T-shaped tubular piston (41) that cylinder body (87) the other end is positioned at cylinder body (87) outside, wherein, the end being arranged in the outside T-shaped tubular piston (41) of cylinder body (87) is formed with the shrinkage pool (75) that axle (64) is connected on the driving lever on driving lever (15) top with automatic cyclotron mechanism.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410254914.0A CN104033638B (en) | 2014-06-10 | 2014-06-10 | A kind of accident extinguishment of gas stove protection valve |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410254914.0A CN104033638B (en) | 2014-06-10 | 2014-06-10 | A kind of accident extinguishment of gas stove protection valve |
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| Publication Number | Publication Date |
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| CN104033638A CN104033638A (en) | 2014-09-10 |
| CN104033638B true CN104033638B (en) | 2016-02-17 |
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| CN201410254914.0A Expired - Fee Related CN104033638B (en) | 2014-06-10 | 2014-06-10 | A kind of accident extinguishment of gas stove protection valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109058534B (en) * | 2018-10-10 | 2023-08-15 | 台州联自环化阀门有限公司 | Mechanical pipeline gas self-closing valve |
| WO2020182264A2 (en) * | 2019-03-14 | 2020-09-17 | المنعم،محمد، هاني عبد | Smart cock |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2570565Y (en) * | 2002-08-28 | 2003-09-03 | 上海红三园环保科技有限公司 | Gas kitchen range flameout automatic safety valve |
| CN2575450Y (en) * | 2002-06-07 | 2003-09-24 | 李学陵 | Box shape swinging slag cooler |
| CN203926975U (en) * | 2014-06-10 | 2014-11-05 | 李仲伦 | A kind of accident extinguishment of gas stove protection valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060060251A1 (en) * | 2004-09-23 | 2006-03-23 | Gamard Stephan C F | Gas cylinder dispensing valve |
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2014
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2575450Y (en) * | 2002-06-07 | 2003-09-24 | 李学陵 | Box shape swinging slag cooler |
| CN2570565Y (en) * | 2002-08-28 | 2003-09-03 | 上海红三园环保科技有限公司 | Gas kitchen range flameout automatic safety valve |
| CN203926975U (en) * | 2014-06-10 | 2014-11-05 | 李仲伦 | A kind of accident extinguishment of gas stove protection valve |
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