CN2463618Y

CN2463618Y - Gas line timing closing device for gas range

Info

Publication number: CN2463618Y
Application number: CN 01203099
Authority: CN
Inventors: 梁霆
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-01-17
Filing date: 2001-01-17
Publication date: 2001-12-05
Anticipated expiration: 2011-01-17

Abstract

The utility model relates to a gas line timing closing device for gas ranges. A chamber of a base 16 is provided with an electromagnet 19, a gas inlet, a gas outlet, a lever 18, a resistance arm of the lever is connected with a gas out top valve 22, a power arm of the lever is corresponding to an electrically attracting place of the electromagnet, a chute of the base is provided with an inner thimble 17 which is abutted with the power arm of the lever, the base is connected with a thimble sleeve 14 and a timer 12, the inner part of the thimble sleeve is provided with an outer thimble 25, the lower parts of a rotating rod 27 and the timer 12 are connected with a push rod 26, the rotating rod is sheathed with a rotating rod sleeve 11, the lower end of the rotating rod is connected with a transition switch contact sheet 10, and the rotating rod sleeve is connected with a slide positioning pin 28. The utility model can cause the gas range to automatically take off the gas and extinguish at the end of an enactment time.

Description

The gas cooker gas circuit is shutoff device regularly

The utility model relates to regularly regularly shutoff device of start-stop device, particularly gas cooker gas circuit.

The flame-out all need of gas are lighted and closed to the gas of opening of gas cooker by manual operation.People usually will leave the kitchen hotting plate of cooking, cook and handle other affairs in the phase, will produce bad result if allow gas cooker cross long-time burning this moment, in case forget for a long time and close gas cooker, then can make and send out a serious consequence.In fact, people are leaving will have sth on one's mind when close gas cooker often when kitchen gas stove burns, and certainly will start to close gas in good time.Can set time the automatic self-closing gas kitchen range, reach not only safety but also labour-saving effect and leave nothing to be desired, but still unresolved at present this problem.

The purpose of this utility model is to provide a kind of gas cooker gas circuit timing shutoff device that can cut off the combustion gas gas circuit at set time finally automatically for addressing the above problem.

Its special way of technical solution of the present utility model is to be provided with the overhead-valve of giving vent to anger to be positioned at pedestal at the air flue that links to each other with air outlet hole inlet position, give vent to anger and be associated with the lever that can pivot according to fulcrum on the overhead-valve and be provided with return spring, be associated with on the pedestal that the application of force makes lever pivots overcome the mechanism of return spring elastic force on lever moving arm, this mechanism is provided with the timer that makes lever moving arm release power.

The described mechanism that the application of force makes lever pivots overcome the return spring elastic force on lever moving arm can be an electromagnet, and described timer is the timer that electromagnet is regularly cut off the power supply.

The described mechanism that the application of force makes lever pivots overcome the return spring elastic force on lever moving arm also can comprise the mechanism of collar, outer thimble and interior thimble, collar links with the swing arm of timer is coaxial, outer thimble one end relies on collar the other end thimble one end in diaphragm seal relies on, the interior thimble the other end relies on the power arm of lever, offers breach on the collar.

For avoiding the moment gas-break phenomenon occurring when the timing setting, the breach of offering on the described collar is positioned at half position under the collar thickness direction.

The mechanism that the application of force makes lever pivots overcome the return spring elastic force on lever moving arm described in the utility model can also comprise the mechanism of electromagnet, push rod, outer thimble and interior thimble, push rod is coupled to the swing arm of timer, outer thimble one end can lean the other end thimble one end in diaphragm seal relies on mutually with push rod, the interior thimble the other end relies on the power arm of lever, and described timer is the timer that electromagnet is regularly cut off the power supply.

Its top of described swing arm is with swing arm and overlaps its lower end and be associated with the transition switch contact and be positioned at push rod top, swing arm puts and is associated with the sliding-groove that slide jaw is positioned at swing arm, be provided with spring between the blind hole top of swing arm upper end and swing arm cover, place, slide jaw outer end is provided with positioning plate.In the time of so can overcoming timing setting moment gas-break phenomenon, and can guarantee swing arm twisting safety.

For the timing that makes a timing device can control two gas cooker eyes is closed, the air flue that links to each other with described air outlet hole is provided with the gas circuit transducer, the gas circuit transducer is provided with valve seat and spool, valve seat is provided with 360 ° of circumferential four uniform through holes, spool is provided with 360 ° of circumferential uniform four ports and adjacent perforations in twos, also is connected with another air flue on the gas circuit transducer.

As described above, the utility model application of force on lever moving arm makes lever pivots overcome the mechanism of return spring elastic force, it can be 1. electromagnet, 2. the mechanism that comprises collar, outer thimble and interior thimble, 3. the mechanism that comprises electromagnet, push rod, outer thimble and interior thimble, wherein 1. being electric-absorption, 2. is centre lathe type, 3. is electricity suction-thimble convolution.

Electric-absorption: in electromagnet when energising, make lever according to the fulcrum angle that pivots the adhesive of lever moving arm outer end, the lever resistance arm overcomes the return spring elastic force, air outlet channel inlet is left in the drive overhead-valve displacement of giving vent to anger, and gas circuit is connected, and this moment, timer was in long logical or timing working state; Timer is in the timing working state, regularly finally, the electromagnet outage, lever moving arm is released power, and under the return spring effect, the overhead-valve of giving vent to anger resets to push up and closes the air outlet channel inlet, and gas circuit is closed.In the moment of the long logical state exchange of timer, die for fear of instant cut-off, at the sheathed swing arm cover in timer swing arm top to the timing working state, the swing arm cover is client link one transition switch contact down, press the swing arm cover, make the transition switch open, can avoid the electromagnet instant cut-off.

Centre lathe type: the collar periphery relies on the outer push rod distance that makes it to move forward, the outer push rod the other end relies on interior push rod through diaphragm seal, the interior push rod the other end relies on the lever moving arm outer end, make the lever resistance arm overcome the return spring elastic force, the overhead-valve of giving vent to anger is opened, air flue connects, and leads to (off working state a kind of) or timing working state this moment for timer is long; At the timing working state, regularly finally, outer push rod outer end falls into the collar breach and return, and lever moving arm is released power, and the overhead-valve of giving vent to anger cuts out, and cuts off gas circuit.The long logical state exchange of timer is to working state, rotate collar, outer push rod outer end falls into the collar breach earlier and moves to periphery again, be in the moment of breach, moment can occur to die, for avoiding it, the breach of collar is located at half position under the collar thickness direction, the sheathed swing arm cover in swing arm top, collar are coupled to swing arm cover lower end, press earlier in the time of regularly the swing arm cover and join collar, rotate collar again, make outer thimble outer end be positioned at first position of collar, avoid falling into breach, behind the timing setting, the resilience of swing arm cover makes and moves a distance on the collar, outer push rod outer end is in second position of collar, can use the pneumatic jack valve and close regularly falling into breach finally.The push rod outer end joins a roller outside, can reduce the friction with the collar periphery.

Electricity suction-thimble convolution: electromagnet energising during timer work, with the adhesive of lever moving arm outer end, use the pneumatic jack opening of valves; Regularly finally, the electromagnet outage, the overhead-valve of giving vent to anger resets, and the air outlet channel inlet is closed on the top, closes gas circuit.When the needs air outlet channel connected for a long time, available push rod pushing tow described in the utility model was lived outer thimble, and in succession, interior thimble pushing tow lever is used the pneumatic jack valve and opened for a long time; Be transformed into definition status when needing regularly, force in lever moving arm, open the overhead-valve of giving vent to anger, regularly release power finally, close the overhead-valve of giving vent to anger through electromagnetic actuation.The top stem casing lower end is associated with the transition switch contact and is connected in battery one utmost point, push rod bonding.During timing setting, press top stem casing, make the closing of transition switch contact in push rod, electromagnet energising so can be avoided instant cut-off and dies.

The utility model is established outer thimble and interior thimble, is provided with described diaphragm seal between inside and outside thimble, and the diaphragm seal driving fit is thimble sliding-groove notch within pedestal, prevents that combustion gas from letting out excessive.Diaphragm seal can adopt sheet rubber.

With air flue that described air outlet hole links to each other on the gas circuit transducer is set, be connected with another air flue on the gas circuit transducer, so the timing of two gas cooker eyes of an available timing device conversion and control is closed.

The utility model is owing to be provided with the overhead-valve of giving vent to anger at the air flue inlet position that links to each other with air outlet hole, give vent to anger and be associated with the lever that can pivot according to fulcrum on the overhead-valve and be provided with return spring, be provided with that the application of force makes lever pivots overcome the mechanism of return spring elastic force on lever moving arm, this mechanism is provided with the timer that makes lever moving arm release power, so but the utility model set time section connects the gas cooker gas circuit, regularly close gas circuit finally automatically, make gas stove energy in set time section internal combustion, timing is auto extinguishing finally, reaches safety, labour-saving effect.According to the utility model, can realize that the electric-absorption timing of gas circuit is closed, centre lathe type is regularly closed or electricity suction-push rod convolution is regularly closed.Be provided with collar its breach and be positioned at second position of thickness direction, be provided with the transition switch contact, be provided with the utility model of transition switch contact and push rod, long logical when switching to timing working in gas circuit, can prevent the moment gas-break phenomenon.

Below in conjunction with description of drawings mode of execution of the present utility model.

Fig. 1 is the laying schematic representation that the utility model comprises source of the gas, gas circuit timing shutoff device and kitchen range eye;

Fig. 2 is the utility model one example structure schematic representation;

Fig. 3 is Fig. 2 part-structure one side schematic view;

Fig. 4 is a gas circuit converter structure schematic representation;

Fig. 5 is another example structure schematic representation of the utility model.

Be labeled as among the figure: 1 source of the gas, 2 reduction valve, 3 gas circuits are shutoff device regularly, 4 gas circuit transducers, 5 switches, 6 kitchen range eyes, 7 switches, 8 kitchen range eyes, 9 positioning plates, 10 transition switch contacts, 11 swing arm covers, 12 timers, 13 tailstock spindle positioning devices, 14 tailstock spindles, 15 springs, 16 pedestals, thimble in 17,18 levers, 19 electromagnet, 20 cappings, 21 air outlet holes, 22 overhead-valves of giving vent to anger, 23 return springs, 24 inlet holes, 25 outer thimbles, 26 push rods, 27 swing arms, 28 slide jaw, 29 springs, 30 sliding-grooves, 31 collars, 32 breach, 33 valve seats, 34 spools.

Embodiment's 1 gas cooker gas circuit is shutoff device regularly, as Fig. 2, shown in Figure 3, in the chamber of pedestal 16 and capping 20 combinations, be provided with electromagnet 19 and the intake duct that links to each other with inlet hole 24, the air outlet channel that links to each other with air outlet hole 21 runs through described chamber, and be provided with and be associated with the overhead-valve 22 of giving vent to anger according to lever 18 its resistance arm ends that fulcrum pivots and be right against the air outlet channel inlet, and be provided with and use pneumatic jack valve 22 top that resets and close the return spring 23 of air outlet channel inlet, lever 18 power arms are inhaled the position corresponding to electromagnet 19 electricity, thimble 17 relies in the lever moving arm position in being provided with in the pedestal chute, thimble resets and makes lever 18 power arms release the spring 15 of power in being provided with in the pedestal chute, be associated with tailstock spindle 14 and fixing on the pedestal by tailstock spindle positioning device 13, be provided with outer thimble 25 in the tailstock spindle, be provided with timer 12 its swing arm 27 bottoms with tailstock spindle positioning device 13 is associated with push rod 26 and can relies on outer thimble 25 with linking, being arranged with swing arm cover 11 its lower ends on the swing arm is associated with transition switch contact 10 and is positioned at push rod 26 tops, swing arm puts and is associated with slide jaw 28 and is arranged in the sliding-groove 30 that swing arm is offered, be provided with positioning plate 9 corresponding to the slide jaw outer end and which is provided with recess at these embedding slide jaw 28 resistance commentaries on classics swing arms covers 11 and swing arm 27 (press the swing arm cover and can rotate swing arm cover and swing arm), be provided with spring 29 between at the bottom of swing arm upper end and the swing arm cover blind hole, stop combustion gas to let out excessive from here by being provided with the diaphragm seal driving fit in the base slideway mouth between outer push rod 25 and the interior push rod 17.

This device is pressed swing arm cover 11 and is counterclockwise rotated an angle and make push rod 26 rely on outer thimble 25 when using, the overhead-valve 22 of giving vent to anger is opened, and air outlet channel is in long-term breakthrough status, and cut off the power supply because of moving the electromagnet that resets on the swing arm cover 11 this moment, can exempt to use power supply.During timing setting, press the swing arm cover, rotate along the pin direction and set, timer energising work, the overhead-valve of giving vent to anger is opened, and the overhead-valve of regularly giving vent to anger finally cuts out.When timing setting, press the swing arm cover earlier, transition switch contact 10 closings this moment are in push rod 26, and push rod 26 bonding, transition switch contact 10 connect battery one utmost point, and so electromagnet is connected power supply, can keep away instant cut-off and dies.

Be connected with gas circuit transducer 4 on this device and the air flue that air outlet hole 21 links to each other, the gas circuit transducer connects another air flue again, lay as Fig. 1, connect source of the gas 1, reduction valve 2 and threeway on the gas circuit successively, the threeway outlet connects two air flues, one is provided with this gas circuit and regularly connects and establish gas circuit transducer 4 on the air flue in shutoff device 3 its air outlets, its two also connect gas circuit transducer 4, two air flue rear ends respectively through switch 5 company's kitchen range eyes 6, through switch 7 company's kitchen range eyes 8.Gas circuit transducer such as Fig. 4 illustrate, it comprises valve seat 33 and spool 34, to walk be that A-B connects and C-D connects to air flue in it, and arrow represents that air current A advances B and go out, and C advances D and goes out, after 90 ° of rotations of spool, switch to A and advance D and go out to advance B with C and go out, this device is connected with the A mouth, then can be on demand control kitchen range eye 6 or kitchen range eye 8 timing workings with changing, during one kitchen range eye timing working, keep the work of can burning for a long time of another kitchen range eye.

2 routine devices of embodiment, as shown in Figure 5, the timer swing arm puts and is associated with collar 31, can make kitchen range eye timing working.This device is not established electromagnet, transition switch contact and push rod, and all the other structures are consistent with last example.

3 routine devices of embodiment are with reference to Fig. 2 but do not establish inside and outside thimble and tailstock spindle, by timer and electromagnet in conjunction with realizing its function.

Claims

1, gas cooker gas circuit timing shutoff device, it is characterized in that being provided with the overhead-valve (22) of giving vent to anger and be positioned at pedestal (16) at the air flue that links to each other with air outlet hole (21) inlet position, give vent to anger and be associated with the lever (18) that can pivot according to fulcrum on the overhead-valve (22) and be provided with return spring (23), be associated with on lever (18) the power arm application of force on the pedestal (16) and lever (18) pivoted overcome the mechanism of return spring (23) elastic force, this mechanism is provided with the timer (12) that makes lever (18) power arm release power.

2, timing shutoff device as claimed in claim 1, it is characterized in that the described mechanism that the application of force makes lever pivots overcome the return spring elastic force on lever moving arm is electromagnet (19), described timer (12) is to make the regularly timer of outage of electromagnet (19).

3, gas circuit timing device as claimed in claim 1, it is characterized in that the described mechanism that the application of force makes lever pivots overcome the return spring elastic force on lever moving arm comprises collar (31), outer thimble (25) and interior thimble (15), coaxial the linking of swing arm (27) of collar (31) and timer (12), outer thimble (25) one ends rely on collar (31) the other end and rely on interior thimble (17) one ends through diaphragm seal, interior thimble (17) the other end relies on the power arm of lever (18), offers breach (32) on the collar (31).

4, gas circuit as claimed in claim 1 is shutoff device regularly, it is characterized in that the described mechanism that the application of force makes lever pivots overcome the return spring elastic force on lever moving arm comprises electromagnet (19), push rod (26), outer thimble (25) and interior thimble (17), push rod (26) is coupled to the swing arm (27) of timer (12), outer thimble (25) one ends can lean the other end mutually with push rod (26) and rely on interior thimble (17) one ends through diaphragm seal, interior thimble (17) the other end relies on the power arm of lever (18), and described timer (12) is to make the regularly timer of outage of electromagnet (19).

5, timing shutoff device as claimed in claim 3 is characterized in that the breach of offering on the collar (31) (32) is positioned at half position under collar (31) thickness direction.

6, gas circuit timing shutoff device as claimed in claim 4, it is characterized in that swing arm (27) top is with its lower end of swing arm cover (11) and is associated with transition switch contact (10) and is positioned at push rod (26) top, be associated with the sliding-groove (30) that slide jaw (28) is positioned at swing arm (27) on the cover (11) on the swing arm, be provided with spring (29) between the blind hole top of swing arm upper end and swing arm cover, place, slide jaw (28) outer end is provided with positioning plate (9).

7, as the described gas circuit timing of any claim of claim 1～6 shutoff device, it is characterized in that the air flue that links to each other with air outlet hole (21) is provided with gas circuit transducer (4), gas circuit transducer (4) is provided with valve seat (33) and spool (34), valve seat (33) is provided with 360 ° of circumferential four uniform through holes, spool (34) is provided with 360 ° of circumferential uniform four ports and adjacent perforations in twos, and the gas circuit transducer also is connected with another air flue on (4).