CN2481998Y - Rotary gas cooker on-off timing device - Google Patents

Abstract

The utility model relates to a timing device for a rotary type switch fuel gas stove, the timing device consists of a timer <1>, a screw <2>, a spring <3>, a ratchet <4>, an axle center <5>, a ratchet wheel <6>, a master gear <7>, a driven gear <8>, a panel <9>, an axle center <10>, a timer switch <11>, an external pin <12>, and a gas source switch <13>. One end of the spring <3> in the device is fixed on the timer <1>, the other end thereof is clipped on the ratchet wheel <6> connected with the axle center <5> through a pin, making the ratchet wheel <6> after the motion drive the automatic reset of the axle center <5> under the torsional force of the spring <3> in the clockwise torsion to realize the automatic shut-off of the gas source, and the ratchet <4> on the timer <1> is close to the ratchet wheel <6> on the axle center <5>. The ratchet <4> extends out to be connected with the ratchet wheel <6> to form a ratchet wheel mechanism and limit the ratchet wheel <6> to do counter clockwise rotation unidirectionally; the timing control of the timer <1> to the fuel gas stove is realized. Compared with the prior art, the utility model has the advantages of time conservation, labor conservation, energy conservation, and safety.

Description

Rotary switch gas-cooker timing means

The utility model relates to a kind of gas-cooker, particularly a kind of timing means of rotary switch gas-cooker.

Existing gas-cooker is manually to close source of the gas mostly, and the people can not leave gas-cooker in the use, and the careless slightly accident that will meet accident.In order further to improve its security performance, modal way is to add blanket on gas-cooker.But this effect only limits to accident extinguishing, still can't prevent not flame-out contingency.Existing thus gas-cooker all can't be in gastronomical process the appropriate arrangements time, in other words, that is to say that existing gas-cooker can not even be we can say therefrom to find time to do other thing in gastronomical process.

Usually when the cooking, meet urgent thing and (as answer the call, take in guests, take care of child or old man or the like, here be example just to take in guests) adopt following safety law often: close gas-cooker and go to take in guests, get back to the kitchen then and proceed the uncompleted just now cooking.Person when adopting the cherishing of Jie Shifa is certainly also arranged, its way is to go simultaneously to take in guests in the cooking, do like this and just should demonstrate,prove front said " the careless slightly accident that will meet accident " in view of this, existing gas-cooker is wanted to accomplish to save time and ensure safety just as accomplishing loyal and filial piety when the cooking---and difficult all the time satisfactory to both parties.

The purpose of this utility model provides a kind of gas-cooker timing means.It can prevent the generation of contingency effectively, and can also solve existing gas-cooker can not time saving shortcoming when the cooking.

The utility model is realized by following technical proposals: Fig. 1 is a gas-cooker timing means structural representation.It by timer [1], ratchet [6], torsionspring [3], master gear [7], from gear [8], regularly revolve group switch [11] and form jointly.Fig. 2 is the rearview of gas-cooker timing means.Its timer [1] comprising: ratchet [4], pawl bar [14], ratchet shell [15], compression spring [16], compression spring [17], shell bonnet [19], shell fragment [20], V sheave [21].The position of its member and correlation are: when timer is not worked or during power cut-off, salient angle on the shell fragment [20] is absorbed in " V " shape groove of V sheave, ratchet shell [15] is subjected to the effect of spring [16] pressure to drive ratchet [4] together in the retraction timer [1], makes ratchet [4] keep breaking away from the state of ratchet [6].Timer [1] can make " V " shape groove of V sheave [21] in 120 minutes, get back to voluntarily shell fragment [20] salient angle point over against the position.Its using method is: down by turning left to open gas-cooker, rotation time switch [11], it is screwed on the timing position that needs (time on the arrow time switch pointed on the panel [9] is the needed time), master gear this moment [7] drives from the rotation of gear [8] clockwise direction, drives V sheave [21] aspect rotation clockwise together from gear [8] by timing axle center [10].After V sheave [21] rotated, the salient angle on the shell fragment [20] just slided into the wheel periphery in " V " groove, made shell fragment [20] drive ratchet [4] to ratchet shell [15] and pushed away to ratchet [6] direction together.Ratchet this moment [6] can only be done the motion of counterclockwise aspect, and keeps the post exercise position.When the time limit one then, V sheave [21] is got back to current position immediately voluntarily, salient angle on the shell fragment [20] is got back in " V " groove, ratchet shell [15] is subjected to the effect of spring [16] pressure to drive ratchet [4] disengaging ratchet [6], ratchet [6] just drives axle center [5] and rotates to clockwise direction under the effect of torsionspring [3] clockwise direction torsion, help axle center [5] to get back to the current position of closing, thereby reach the purpose of punctual automatically extinguishing.

The utility model is because can close source of the gas on time voluntarily, and it can prevent contingency effectively thus, and saves source of the gas again, has also saved the program of taking care of the time of gas-cooker when cooking and manually closing gas-cooker simultaneously.

Below in conjunction with the drawings and specific embodiments to this practical being described in further detail (is example with single kitchen range).

Fig. 1 is a gas-cooker timing means structural representation.Among the figure 1 be timer, 2 for timer shell fixed screw, 3 for torsionspring, 4 for ratchet, 5 for the burnt gas switch axle center, 6 for ratchet, 7 for master gear, 8 for from gear, 9 for range panel, 10 for the timer axle center, 11 for time switch, 12 for bright pin, 13 for gas stove switch.

Fig. 2 is the rearview of gas-cooker timing means.Among the figure 14 be pawl bar, 15 for the ratchet shell, 16 for the compression spring, 17 for taper compression spring, 18 for screw hole, 19 for ratchet shell bonnet, 20 for shell fragment, 21 be the V sheave.

Fig. 3 is the front view of the ratchet [4] in the device shown in Figure 1.

Fig. 4 is the right view of the ratchet [4] in the device shown in Figure 1.

Fig. 5 is the front view of the time switch [13] in the device shown in Figure 1.

Fig. 6 is the vertical view of the master gear [7] in the device shown in Figure 1.

At first, by Fig. 2 sour jujube bar [14] is passed from ratchet shell [15] base, be connected with ratchet [4] by internal and external threads, volute spring [17] is put into the base (the most advanced and sophisticated pawl bar [14] that supports of awl) of ratchet shell [1 5], again ratchet shell [15] is connected with ratchet shell bonnet [19] by internal and external threads, put into timer [1] (bonnet [19] supports shell fragment [20]) after putting compression spring [16], cover the timer shell, and be fixed with screw.When timer is not worked or during power cut-off, the salient angle on the shell fragment [20] is absorbed in " V " shape groove of " V " sheave [21], and ratchet shell [15] is subjected to the pressure effect of spring [16] to drive ratchet [4] to keep the state of retraction timer [1] together; Salient angle during timer work on the shell fragment [20] slides into the wheel periphery in " V " groove, make shell fragment [20] that ratchet shell [15] is released timer [1] together with ratchet [4], the position when " V " sheave [21] among Fig. 2, shell fragment [20], ratchet shell [15], ratchet [4] all are in timer work.

Then, by Fig. 1 master gear [7] is enclosed within and passes panel [9] on the axle center [5] and be connected with timer switch [11] that (the protruding stake of the arrow shaped on the time switch [11] is positioned at the upper left side of axle center [5], as shown in Figure 5); Go up a cover cylinder-shaped compression spring (not providing among the figure) in the outside axle center [5] of panel [9], plug bright pin [12] then, by last gas stove switch [13]; Go up apart from about 1 centimeters of gear [7] in the inner axle center [5] of panel [9], insert a dowel (do not provide among the figure, need not insert and wear axle center [5]) from top to bottom, torsionspring [3] is stuck in is enclosed within axle center [5] upward (spring [3] is at the rear portion) on the ratchet [6] together.In preferred embodiment of the utility model, its ratchet [6] (as shown in Figure 3, Figure 4), in have bar to be 1 centimetre deeply, wide is anti-" C " shape groove of 0.7-0.8 centimetre, when the back is not opened or opened to gas-cooker, dowel is positioned at the anti-notch of " C " shape groove, and when gas-cooker is opened when press switch [13] (down), axle center [5] move to bottom land with regard to driving dowel from the anti-notch of " C " shape groove; When the ratchets [6] of the 180 degree backs (work back) of counterclockwise moving when being fixed, the dowel on axle center [5] can in anti-" C " shape groove, freely reset (getting back to the position that gas-cooker is closed).

At last, timer is loaded onto from gear [8], and with screw rod pass screw hole [18] with timer [1] because of fixing on the panel [9], use screw [2] that the other end of spring [3] is fixed on the timer [1] again.Its master gear [7] with should be parallel from gear [8] and match; The orientation of pawl bar [14] just on the connecting line of two axle center (axle center [5], axle center [10]), the position that the ratchet among Fig. 1 [4] and ratchet [6] are in timer when not working.When timer was worked, ratchet shell [15] stretched out with ratchet [6] together with ratchet [4] and is connected mutually, constituted ratchet mechanism, and restriction ratchet [6] can only unidirectional counter clockwise direction rotate, and kept the post exercise position.

Claims (3)

1. rotary switch gas-cooker timing means, this device has a gas source switch button

[13], axle center [5], it is characterized in that there is a timer [1] on the left side, axle center [5],

It is connected with the axle center by ratchet mechanism ratchet [4], ratchet [6].

2. device according to claim 1 is characterized in that ratchet [6] card has a spring

[3], in case during timer [1] power cut-off, ratchet [6] can be subjected to turning round of spring [3]

Power drive axle center [5] automatically resets and realizes closing automatically source of the gas.

3. device according to claim 1 is characterized in that on the timer switch button [13]

The bright pin of the protruding stake of triangle with the time down by release knob [13] unlatching gas-cooker hold in the mouth mutually

Connect, thereby one step of realization timing ignition finishes.

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