CN2033474U - General electric ignition of a gas stove - Google Patents

Abstract

The utility model relates to an automatic electrical ignition apparatus for the gas cookers and liquefied petroleum gas stoves. The automatic electrical ignition apparatus can be matched with various high pressure generating components(such as piezoelectric ceramic or various circuits which use induction coils to raise pressure ) and can respectively ignite two gas cookers with one high pressure generating component, the automatic electrical ignition apparatus can complete the gas discharge and ignition simultaneously, and the automatic electrical ignition apparatus is suitable for household gas stove. The utility model is formed by the method that a toggle arm which is arranged on a handle of a gas valve and can change the action radius and a force receiving press plate whose installation position is in the biggest action radius of the toggle arm and out of the smallest action radius of the toggle arm are matched with each other to drive a high pressure generating component.

Description

The automatic electrical ignition device that gas-cooker is general

The utility model is to be used for gas range, and liquefied petroleum gas stove is realized the device of automatic electrical ignition.

The automatic electrical ignition device of existing gas-cooker is generally all realized by electrion.They are basically all by mechanical actuation device, the high pressure generation part, and three parts such as discharge electrode are formed, and its difference only is that the structure of mechanical actuation device is different with the principle of employed high pressure generation part.Used high pressure generation part has the various circuit that utilize induction coil to boost, also useful piezoelectric ceramics.Used mechanical actuation device all is to design for driving a kind of specific high pressure generation part, so often can only be used for driving a kind of high pressure generation part, can not implement to drive to other kind of high pressure generation part, this unfavorable manufacturer produces when carrying out many types of series of products and remodels.The automatic electrical ignition device of existing gas-cooker, generally all be that an igniter can only be lighted a kitchen range, generally use at the family expenses gas-cooker under the situation of double end kitchen range, this is undoubtedly a kind of waste, this situation is long-term existence why, because the moving arm of drive unit all was a rigidity in the igniter in the past, its length or operating radius are fixed.Use two identical like this mechanical actuation devices to remove to drive same high pressure generation part, will inevitably the phase mutual interference, and can not realize igniting smoothly, hindered popularizing of gas-cooker automatic electrical ignition technology.

The purpose of this utility model is by a simple mechanical actuation device, but provide a kind of adapted multiple high pressure generation part, can be loaded on the various household gas ranges, can make the shared high pressure generation part of two identical mechanical actuation devices, light two gas burners respectively, and the general automatic electrical ignition device of gas-cooker that venting and igniting are finished synchronously.

The utility model is achieved in that fixes a moving arm on the air valve handlebar of gas-cooker, moving arm can be done 90 ° of rotations with the air valve handle, this moving arm is made up of big arm and forearm; the length of forearm and wide ratio are greater than 1; connect by one between big arm and the forearm; forearm can rotate on big arm for the garden heart by axle, because the growing up in wide of forearm, the rotation of forearm has just changed the operating radius of moving arm.On the big arm a positioning block is arranged, the scope of pivoting that makes forearm is one and decide angle have one to move the push and block device on the forearm, matches with quiet push and block device on the valve body or the kitchen range top, returns to maximum effect radius state when making moving arm rotate to the appropriate location.A base plate is being housed on the valve body or on the kitchen range top, a relay pressing plate and a high pressure generation part that contacts with the relay pressing plate are housed on base plate, between relay pressing plate and the base plate by hinge-coupled, base plate is installed within the maximum effect radius that makes the relay pressing plate be in moving arm, on the appropriate location outside the least action radius.Moving arm operating radius maximum in the ignition process with the rotation of air valve handle, is pressed the crimp force pressing plate, drives the high pressure generation part, produces high-tension current.Close in the fiery process moving arm with the rotation of air valve handle, it is minimum that operating radius gradually becomes, and moving arm slips over from the relay platen edge, and plate is defeated in butt joint not to be had and stir.Drive same relay pressing plate and high pressure generation part respectively with above-mentioned two identical moving arms, just can realize igniting to two kitchen ranges, when being respectively two kitchen range igniting with a high pressure generation part, the high pressure dispense switch is housed on the panel of the kitchen range top or in the kitchen range top or on the base plate, the high-tension current that the high pressure generation part is produced is given the spray point on the corresponding kitchen range, realizes igniting.The discharge electrode that this device produces spark is stove and spray point.

Below in conjunction with the accompanying drawing of embodiment, the utility model is described in detail.

Fig. 1 is installed in structural representation on the common double fork air valve for the utility model.

Fig. 2 be the A-A of Fig. 1 to cutaway view, the track the when dotted line of two band arrows has been represented moving arm maximum effect radius and least action radius among the figure.

On two air valve handlebars (2) in Fig. 1, a moving arm (3) that can change operating radius all respectively is housed, moving arm (3) is made up of big arm (4) and forearm (5) and is loaded on handlebar (2) and goes up one relative with handle (1), on the big arm (4) of moving arm (3) square hole is arranged, be press-fit in by screw on the square toes of handlebar (2).Moving arm (3) all is in maximum effect radius state before the igniting.The course of action of igniter when describing one-sided kitchen range point and close fire below in conjunction with Fig. 2: turn air valve handle (1) by sebific duct (10) when kitchen range (11) is exitted, moving arm (3) also contacts with relay pressing plate (12) with air valve handle (1) rotation, because the locating piece (9) on the big arm (4) and the interaction of forearm (5) rear part edge; forearm (5) can not rotate to clockwise direction around axle (6); moving arm continues to keep maximum effect radius state; with air valve handle (1) rotation and press crimp force pressing plate (12); make relay pressing plate (12) produce displacement, driving high pressure generation part (13) generation high-tension current.The high-tension current that is produced is given the spray point on the homonymy kitchen range (16) by high pressure dispense switch (14) by lead (15), and fuel gas is lighted.After the igniting, moving arm (3) and relay pressing plate (12) break away from, and get back to original position under the effect of the spring in the unillustrated in the drawings high pressure generation part of relay pressing plate (12) (13) and wait for next time and be pressed igniting.When closing fire, moving arm (3) rotates to clockwise direction with air valve handle (1), moving arm during beginning (3) keeps the maximum effect radius, after moving arm (3) rotates to relay pressing plate (12) contact; forearm (5) rotates to counter clockwise direction around axle (6) owing to the obstruction that is subjected to relay pressing plate (12); make the operating radius of moving arm (3) reduce to minimum gradually, moving arm (3) slips over from the edge of relay pressing plate (12), and butt joint is defeated plate (12) nothing and stirred.Moving arm (3) crossed relay pressing plate (12) back, along with the continuation rotation of air valve handle (1); the moving push and block device (8) on the forearm (5) contact with quiet push and block device (7) on the valve body; and interact; forearm (5) rotate; return to moving arm maximum effect radius state to clockwise direction around axle (6), wait is next lights a fire.

Lighted fire when a side kitchen range, when another kitchen range need be lighted a fire, the course of action of each moving arm was as follows:

Suppose that referring to Fig. 1, Fig. 2 the right side kitchen range lighted fire, the left side kitchen range need be lighted a fire, and the left side moving arm will repeat the overall process of above-mentioned one-sided igniting, and the moving arm on right side is as within the displacement range of relay pressing plate (12), right side moving arm no change.If the position of the moving arm on right side is just within the displacement range of relay pressing plate (12), when the moving arm in left side is pressed crimp force pressing plate (12) generation displacement, the forearm (5) that relay pressing plate (12) will contact and promote the right side moving arm with the right side moving arm rotates to counter clockwise direction around axle (6), the operating radius of right side moving arm is reduced, thereby do not hinder the driving of relay pressing plate (12) to high pressure generation part (13), having realized two shared high pressure generation parts of mechanical actuation device, is the purpose of two kitchen range igniting.

Locating piece (9) on the big arm (4) plays two effects, and the one, when moving arm (3) reaches the maximum effect radius, stop forearm (5) to the clockwise direction rotation, to keep the maximum effect radius state of moving arm.The 2nd, when moving arm reaches the least action radius, stop forearm (5) to rotation counterclockwise, do not exceed the sphere of action and the best use of angle of quiet push and block device (7) with the scope of activities that guarantees moving push and block device (8).For avoiding forearm in the ignition process (5) since gravitate produce and to rotate freely, this device that may cause malfunctioning.When user mode is the axis horizontal of axle (6) during in ground, the axis hole position on the forearm (5) should be at the focus point place of forearm.

High pressure dispense switch (14) in the utility model, because of the kitchen range difference of adapted has manually and several schemes such as driven in synchronism, manually be that high pressure dispense switch (14) is loaded on the panel of desk-top gas-cooker, or be loaded on base plate (17) with the high pressure generation part and go up and to pitch air valve with common double and cooperate and be used for simple and easy gas-cooker, must be earlier before igniting the high pressure dispense switch be pushed the position of the output line connection that makes the kitchen range that will light a fire and high pressure generation part, igniting then, the embodiment of Fig. 1 has used manual approach.Driven in synchronism is that the high pressure dispense switch is loaded in the desk-top gas-cooker by the moving arm driven in synchronism that is fixed on the air valve handlebar.

The utility model can cooperate the purpose of multiple high pressure generation part, is to realize by the different installation sites of suitably determining high pressure generation part not of the same race.

Moving arm among Fig. 1 embodiment, relay pressing plate, base plate all are that the thin iron punching out by 1～2 millimeters thick forms, and the high pressure generation part will together be contained in the guard shield with the high pressure dispense switch, in case contaminated, influence result of use.The high pressure dispense switch is common single-pole double-throw switch (SPDT).

The utlity model has obvious advantage:

Igniting and venting are by a knob, and an action is finished simultaneously, and one hand both can operate, and was convenient and safe, was particularly suitable for the disabled person; Two kitchen ranges share high voltage generating part spares and do not interfere with each other, and are simple in structure, are easy to produce, and parts are few, and are with low cost, but the multiple high voltage generating part spare of adapted comprises piezoelectric ceramics or the various circuit that utilizes induction coil to boost, and material source is extensive; Can be loaded on the various household gas ranges, favourable manufacturer production series of products, particularly can be contained on the common double fork air valve former air valve is not needed again big change, the automatic electrical ignition technology is used by the family that makes each that gas-cooker be arranged becomes possibility, simplified technology, having reduced cost, is the automatic electrical ignition technology of popularizing gas-cooker, the use that reduces match, and the raw material that saving making match consumes such as timber and nitre phosphorus medicine have been created the condition that makes things convenient for.

Claims (7)

1, the automatic electrical ignition device that a kind of household gas range is general, by being contained on the gas stove air valve handlebar, and can make the moving arm of 90 ° of rotations with handle, the high pressure generation part, spray point is formed, it is characterized in that, moving arm is made up of big arm and forearm, connect by one between big arm and the forearm, moving arm can change operating radius, relay pressing plate and high pressure generation part are housed on one base plate, this base plate is installed in the relay pressing plate is within the moving arm maximum effect radius, on the appropriate location outside the least action radius, the relay pressing plate has corresponding area, to accept pushing respectively of several number moving arm, the high-tension current that the high pressure generation part produces is distributed to spray point on the corresponding kitchen range through an electric switch.

2, according to the described automatic ignition device of claim 1, it is characterized in that: forearm can be the garden heart by axle, rotates on big arm, and the axle center during the forearm rotation is at the focus point place of forearm.

3, according to claim 1 or 2 described automatic ignition devices, it is characterized in that: on the big arm a positioning block is arranged, the scope of pivoting that makes forearm is one and decides angle.

4, according to claim 1 or 2 described automatic ignition devices, it is characterized in that: a moving push and block device is arranged on the forearm, with be contained in the kitchen range top on or quiet push and block device on the valve body match, make moving arm when rotating to suitable position with the air valve handle, return to the operating radius maximum rating.

5, according to the described automatic ignition device of claim 1, it is characterized in that: by hinge-coupled, the relay pressing plate contacts with the high pressure generation part between relay pressing plate and the base plate, and the high pressure generation part can be a piezoelectric ceramics, or the various circuit that utilizes induction coil to boost.

6, according to the described automatic ignition device of claim 1, it is characterized in that: the high pressure dispense switch is contained on the panel of the kitchen range top or with the high pressure generation part and is contained on the base plate.

7, according to the described automatic ignition device of claim 1, it is characterized in that: the high pressure dispense switch is contained in the kitchen range top, by the moving arm driven in synchronism that is fixed on the air valve handlebar.

Images