CN2126729Y - Double flame lighter with gaseous fuel - Google Patents

Abstract

The utility model relates to a double flame lighter, comprising a case, a gas storage tank component, a windproof flame generating windproof component, a naked flame gas supply pipe which is extended into the combustion furnace of the windproof component, a gas supply changeover mechanism and an igniting device. The interior of the naked flame gas supply pipe is provided with a flow limiting equilibrant mechanism. The flow limiting equilibrant mechanism can equalize the gas supply of the windproof flame air supply pipe and the naked flame gas supply pipe. The combustion furnace can simultaneously generate naked flame and windproof flame, and the windproof flame can protect the naked flame. The naked flame generated by the lighter has strong windproof ability. The potential abilities and the advantages of the double flame lighter can be adequately exerted.

Description

Double flame lighter with gaseous fuel

The utility model relates to a kind of combustible gas that stores with liquid state, and for example butagas is the cigarette lighter of fuel, more particularly, the utility model relates to a kind of wind-proof flame that both had, and has obvious flare again, and its obvious flare can have the double-flame lighter of strong capability of anti-wind again.

At present, the fuel gas that stores with liquid state that uses can be divided into common lighter and windproof lighter two big classes as the cigarette lighter of fuel, the former is that the gaseous fuel direct that sprays the fuel nozzle that makes from expansion box is connected in the air and burns, produce tangible flare, so be referred to as open flame lighters again; The latter then has a combustion furnace that burns therein again after making gaseous fuel and air mixing, also be equipped with in the exit of upper furnace with heat proof material for example platinum make draw the return-to-zero part, because gaseous fuel mixes through atomizing in advance with air, so can burn fully, produce flame not obvious but that temperature is very high (degree of white heat), after flame is gone out by wind, the resume combustion part still keeps sufficiently high temperature, so the fuel gas and the Air mixing gas that can utilize its catalytic action will continue ejection rekindle, fuel gas and Air mixing gas for continuous ejection, the resume combustion part is a lasting firing device, thereby has reached windproof purpose.

The double-flame lighter of my previous application, expanded the function of use of lighter greatly, its concrete structure and function can be with reference to CN2064459U, CN2067459U, CN2059706U, CN2082359U, CN2089573U, CN2090486U, CN3010097U, and US-5055034, EP-0410313A1 and CN91226222.2,91109068.1, the 91109038.X, 91225158.1 that are examining, patents such as 91225308.8.

Above patent can be divided into two big classes from structural huge difference, wherein a class is preceding nine patents, saying so of it stretched into a naked light air supply pipe simple in structurely in the combustion furnace of the windproof assembly of commercially available windproof lighter, there is a switching mechanism to act on the naked light air supply pipe, control the conversion that its switching realizes naked light and wind and fire, this double-flame lighter abbreviates " double hose " two lighters as; Another kind of is back five applications, its structure is the windproof assembly with distortion, also has a cover part, mixing chamber in cover part and the windproof assembly can relatively move or rotate, it mainly relies on the inlet channel that covers part open and close mixing chamber to realize the conversion of wind and fire and naked light, with respect to above-mentioned " double hose " structure, it is called " single hose " two lighters visually.

The naked light that the double-flame lighter of all structures produces in the prior art is without any capability of anti-wind.

The purpose of this utility model is to overcome the deficiencies in the prior art and provides a kind of energy to produce the lighter that blows the naked light that do not go out.

Lighter of the present utility model comprises housing, the expansion box assembly, and the windproof assembly of generation wind and fire stretches into the naked light air supply pipe in the combustion furnace, air feed switching mechanism, sparking gear, it corrects point and is to have a current limliting force equalization mechanism in the above-mentioned naked light air supply pipe.

Above-mentioned expansion box assembly is identical with aforementioned structure of the prior art, specifically comprises gas tank, intake valve, air outlet valve, the control valve of gas output size.

The windproof assembly of above-mentioned generation wind and fire is also identical with aforesaid structure of the prior art, specifically comprises atomizer, mixing chamber, gas separating port, combustion furnace, resume combustion part.

Owing to have a current limliting force equalization mechanism in the naked light air supply pipe of generation naked light, the gas supply of wind and fire air supply pipe and naked light air supply pipe is balanced mutually, also produced wind and fire simultaneously so can both produce naked light in the combustion furnace, wind and fire plays the maintenance effect to naked light, so the naked light that lighter of the present utility model produces has very strong capability of anti-wind, the potential that double-flame lighter had has been given full play in this correction, correction in conjunction with others on the double-flame lighter, can make the with better function of its, use more convenient.

For introducing the utility model in detail, be elaborated below in conjunction with accompanying drawing:

Fig. 1 is the general assembly drawing of lighter of the present utility model;

Fig. 2, the 3rd comprises the partial structurtes figure of windproof assembly and naked light air supply pipe;

Fig. 4 is the structure chart of current limliting force equalization mechanism;

Fig. 5 a, 5b are the schematic diagrames of two kinds of states of a kind of " long venting " structure;

Fig. 6 a, 6b, 6c, 6d are the partial schematic diagrams that adopts the air feed switching mechanism of integral valve structure;

Fig. 7 a, 7b, 7c are the partial schematic diagrams that adopts the air feed switching mechanism of wedge structure.

Referring to Fig. 1,2,3, lighter of the present utility model comprises housing 1, expansion box assembly 2 produces the windproof assembly 4 of wind and fire, stretches into the naked light air supply pipe 23 in the combustion furnace of windproof assembly 4, air feed switching mechanism 6, sparking gear 3 has a current limliting force equalization mechanism 29 at naked light for managing in 23.

Above-mentioned expansion box assembly 2 can specifically comprise gas tank, intake valve, air outlet valve, the control valve of gas output size with reference to disclosed prior art above.

The windproof assembly 4 of above-mentioned generation wind and fire is also identical with aforesaid structure of the prior art, specifically comprises atomizer, mixing chamber, gas separating port, combustion furnace, resume combustion part.

Referring to Fig. 2,3,4, Fig. 4 particularly, described current limliting force equalization mechanism 29 is for having the catch or the siphunculus of at least one micropore, be similar to the atomizer structure in the windproof assembly 4, its catch or constrictor 31 can have one or more than a micropore, with a micropore is good, but the equivalent of its whole micropores cross flow diameter should be in 5～15mm scope, with the aperture that atomizes in the atomizer (be generally 5.5～15mm) corresponding, match.Atomizing aperture for 5.5mm, equivalent is crossed flow diameter can be 5mm, also can be greatly to 15mm, atomizing aperture for 15mm, equivalent is crossed flow diameter can be 15mm, also can be as small as 5mm, best scheme is that the atomizing aperture is crossed flow diameter with equivalent and equated substantially, is more preferably two diameters all in 7～11mm scope.

Preferably have one deck filter screen 30 in above-mentioned current limliting force equalization mechanism, (referring to Fig. 4) and filter screen 30 should be in the position, upper reaches of micropore to filter the impurity that may exist in the combustible gas.

Owing to have a current limliting current-sharing force equalization mechanism 29 in the naked light air supply pipe 23 of generation naked light, the gas supply of wind and fire air supply pipe and naked light air supply pipe is balanced mutually, also produced wind and fire simultaneously so can both produce naked light in the combustion furnace, and wind and fire plays the maintenance effect to naked light, even naked light is temporarily blown out, wind and fire also can be its resume combustion immediately, so the naked light that lighter of the present utility model produces has very strong capability of anti-wind, the potential that double-flame lighter had has been given full play in this correction, correction in conjunction with others on the double-flame lighter, can make the with better function of its, use more convenient.

Essence of the present utility model is to install a current limliting force equalization mechanism in the naked light air supply pipe additional, the purpose that reaches is to send the windproof naked light with strong capability of anti-wind, on this basis, can also be in conjunction with the variation of its part-structure of double-flame lighter, in the hope of conveniently using and improving the naked light lighting rate.

One of them variation is a structure shown in Figure 2, i.e. removable or rotate cover spare of peace on the mixing chamber of the windproof assembly of " double hose " lighter, the action of this cover spare 17 can be on the basis of sending wind and fire, windproof naked light, send naked light again, at this moment, when needs send naked light, close the inlet channel of mixing chamber with " cover spare ", promptly this moment, whole double-flame lighter was in the air feed state of similar common open flame lighters; When needs are sent out wind and fire, open the air inlet runner of mixing chamber, promptly " cover spare " is inoperative, and close the naked light supply pipe simultaneously, when naked light sent out windproof by needs, open the air inlet runner of mixing chamber, promptly " cover spare " is inoperative, open the air supply channel of naked light supply pipe simultaneously, the action of this cover spare 17 can also make relatively more natural, the mitigation of the conversion from wind and fire to windproof naked light.

Second variation wherein is mainly reflected in the switching mechanism, can be connected sparking gear with switching mechanism, when depressing sparking gear, lighter sends for example wind and fire of a kind of flare, unclamp sparking gear, lighter then is to send another kind of flare, for example windproof naked light adopts this switching mechanism, can improve the rate of lighting of the windproof naked light of this lighter greatly, because, can be when depressing sparking gear, lighter sends the very high wind and fire of lighting rate, unclamps sparking gear, then flare is converted into windproof naked light, and promptly windproof naked light need not lighting of sparking gear.At this moment, at first require the air feed controlling organization after sending the flare first time, also can continue air feed even unclamp sparking gear, Fig. 1 and Fig. 5 a, 5b has introduced wherein a kind of structure that realizes above-mentioned " long air feed " function, it is by the air outlet valve locking mechanism on the rotating mechanism 13 of the helmet 14 that is connected in lighter, this mechanism comprises that one is positioned on and send hook spring 12 and non-return hook 11 on the housing 1, Fig. 5 a shows the state when not using, air outlet valve 10 in the gas tank assembly is not exitted at this moment, depress sparking gear 3, press jumping 9 one ends also to be depressed, press jumping 9 other ends to provoke air outlet valve 10, send hook spring 12 compressing non-return hooks 11 to enter the non-return space of air outlet valve 10, air outlet valve 10 is in " long venting " state, promptly enters the state shown in Fig. 5 b.

" long air feed " structure in addition also exists in commercially available open flame lighters, for example open the induction lighter that the helmet just is initially located in the air feed state, in the utility model, can adopt from the helmet to connect next root pull bar or similarly structure is to air outlet valve, the open and close of the helmet realize the open and close of air outlet valve; Also can on lighter casing, install a button or slide block or similarly structure be connected to the open and close that air outlet valve is realized air outlet valve, here, air outlet valve should not be limited to the structure shown in Fig. 1～4, and answering broad understanding is the leaving air control valve that is fit to the various versions of lighter characteristics; Because these structures all belong to the ordinary construction of prior art, so figure is not narrated.

Under the prerequisite of " long venting ", can there be the structure of multiple conversion selective, Fig. 6 a, 6b, 6c, 6d describe kind of the switching mechanism of integral valve structure of knowing clearly, and Fig. 7 a, 7b, 7c and Fig. 2 have then described the flare switching mechanism of the wedge structure of the compressing air supply hose of considering the lighter characteristics and adopting.Referring to Fig. 6 a, when gland 8 presses down, by the fixedly effect of pin 20, realize closing of naked light air supply pipe 23 by supporting leg 21 extruding noticeable degree bars 22, send wind and fire, and then unclamp gland 8, spool 24 is opened naked light air supply pipe 23 under the effect of spring 25, convert naked light to, and the shape of Fig. 6 b just in contrast, when promptly depressing gland 8, send naked light, convert wind and fire after unclamping to, the difference between the two finds out that by relatively can knowing of two accompanying drawings promptly the position of noticeable degree bar 22 has taken place to put upside down.

Structure shown in accompanying drawing 2,7a, 7b, the 7c all belongs to the switching that wedge structure is controlled air supply hose, and in Fig. 7 a, naked light air supply pipe 23 is clipped in the groove, general this clip slot all is produced on the expansion box assembly 2, voussoir 26 contacts with gland 8, depresses gland 8, cuts off the supply of combustible gas in the naked light air supply pipe 23, lighter sends wind and fire, unclamp gland 8, voussoir resets, spring 28 jack-up voussoirs 26, recover the supply of fuel gas in the naked light air supply pipe 23, convert naked light to.Having current limliting force equalization mechanism 29(in this naked light air supply pipe 23 is not illustrating on the figure) import of wherein threeway 27 links to each other with air outlet valve (not illustrating on figure), and one brings out and mouthful links to each other with naked light air supply pipe 23, and the other end exports then links windproof assembly.The structure of accompanying drawing 2 is quite similar, and naked light air supply pipe 23 wherein is by pressing jumping 9 to control switching.Accompanying drawing 7b, 7c only are schematic diagrams, will be described in detail hereinafter.

On the above-mentioned basis that installs current limliting force equalization mechanism structure additional, can also realize wind and fire, three kinds of flare states of naked light and windproof naked light, the method of its conversion can be that sparking gear moves up and down and has three gears and put, and the conversion or the controlling organization of a naked light and windproof naked light also can be installed on housing or sparking gear again; The structure of its conversion also has three kinds, the one, the valve of employing particular design, the labyrinth shown in Fig. 6 c, the 6d for example, the 2nd, adopt simple wedge structure control naked light air supply pipe, the structure among Fig. 7 b, the 7c for example, the 3rd, on the basis of " double hose " lighter, adopt " cover spare " transformational structure of " single hose " lighter, this structure is similar to the described structure of Fig. 2.

The first two of three kinds of flare states of described realization the last period plant organization plan below in conjunction with the accompanying drawings 6c, 6d and 7b, 7c be described in more detail, in conjunction with the description of these two kinds of schemes, the conversion method of flare above-mentioned is described simultaneously also.

Referring to accompanying drawing 6c, 6d, this structure discloses a kind of complicated needle valve structure, the left-hand component of Fig. 6 d is that the A-A of Fig. 6 c analyses and observe, but needle does not draw, right-hand component is the top view projection of the gland structure of sparking gear, gas from the air outlet valve (not showing on the figure) of expansion box assembly enters the valve body 33 of making one through sebific duct 32, at shown position, needle 24 is inwardly pressed under the effect of spring 25, make right-hand member sealing ring 34 shut trunnion 35 in the valve pocket, at this moment, the chamber 36 of gas through spring 25 places enters the wind and fire air feed runner 40 that communicates, the naked light air supply pipe 23 that could ventilate through trunnion 35 is cut off, and what this moment, lighter sent is wind and fire; The upper end of needle control lever 19 is to left movement, then under the effect of fixed leg 20, transfer to needle 24 general distances, at this moment, right-hand member sealing ring 34 leaves the sealing station at trunnion 35 places, and left end sealing ring 37 does not enter the sealing station of trunnion 35, at this moment, trunnion 35 and the 39 equal air inlets of left end chamber, wind and fire air feed runner 40 is spring chamber 36 air inlets from being communicated with also, trunnion 35 is communicated with naked light air supply pipe 23, has a current limliting force equalization mechanism on its path, be that catch 31 is on the path between the two, 39 of left end chambers directly are communicated with naked light air supply pipe 23, under this state, main air feed is from left end chamber 39 straight-through combustible gases of coming, so lighter transfers the naked light state at this moment to; Continue to left movement the upper end of needle control lever 19, transfer to needle 24 to left end sealing ring 37 to shut being communicated with of trunnion 35 and left end chamber 39, then fuel gas one is from spring chamber 36 supply wind and fire air feed runners 40, the 2nd, through catch 31 supply naked light air supply pipes 23, this moment, lighter transferred windproof naked light state to from trunnion 35.

For reducing the required strength of mobile needle 24, can in left end chamber 39, install a little spring 38 balance in addition additional, the elastic force of little spring 38 should be less than the elastic force of spring 25.

Fig. 7 b, 7c are the schematic diagrams of two similar Fig. 6 c, 6d version, and this figure is applicable to the structure that connects with air supply hose, in fact, by following narration, can be well understood to, and four above-mentioned figure are communicating on the principle and on the manner of execution.

Referring to Fig. 7 b, 7c, the import of four-way 41 connects from air outlet valve, one of four-way brings out mouth 42 and is connected to windproof assembly, two outlets 43 in addition of four-way, 44 are connected to the naked light air supply pipe in parallel by threeway 45, exporting 43 to the air feed route 48 of threeway 45, first valve gear 46 is arranged, exporting 44 to the air feed route 49 of threeway 45, second valve gear 47 and current limliting force equalization mechanism 29 are arranged, act on first at the same time, bivalve device 46,47 cut off air feed route 48,49 o'clock, lighter sends wind and fire, when cutting off air feed route 48, lighter sends windproof naked light, when cutting off air feed route 47 or all allowing it unimpeded, main air communication is crossed air feed route 48 and is passed through, and lighter sends naked light.

First and second valve gear can adopt all schemes of the prior art, and better suited is that air supply hose is clipped in the clip slot of expansion box assembly 2, realizes switching with the Wedge-type structure.

The conversion that realizes three kinds of flare can have three kinds of practical modes, the one, on lighter casing, install additional button or slide block or similarly structure close first valve gear or second valve gear shown in this schematic diagram of Fig. 7 b, only can realize the conversion of wind and fire and naked light or wind and fire and windproof naked light this moment, for example close first valve gear 46, the function of then striking sparks realizes wind and fire, also can realize windproof naked light; The 2nd, put by gland knee-action three gears of sparking gear, can send wind and fire, naked light, windproof naked light respectively, this structure is from being well understood to being described in detail of Fig. 6 c, 6d, for the principle structure shown in Fig. 7 c, can arrange first and second valve gear 46,47 suitable structure, position of three retainings in lighter to realize.The 3rd, on the gland of the sparking gear of lighter, install a turning set additional or promote cover, rotation by turning set can realize wind and fire and naked light or wind and fire and windproof naked light respectively, the user also can overlap and realizes wind and fire and naked light or wind and fire and windproof naked light respectively with manually doing promotion on the lighter gland, and its concrete structure 6d in conjunction with the accompanying drawings is illustrated.

The right end portion of Fig. 6 d schematically shows lighter gland 8, connect an effect sheet 50 on the gland 8, this effect sheet 50 will act on mutually with the needle control lever 19 among Fig. 6 c, rotary action sheet 50 can act on two positions of the needle control lever 19 of step respectively on gland 8, the largest motion position of then selecting to correspond to needle 24 determines it is the conversion that realizes wind and fire and naked light, the perhaps conversion of wind and fire and windproof naked light, equally, also can make effect sheet 50 at gland 8 front and back or move left and right certain distance, this moves and can realize by the action of user's finger on gland 8, so also situation acts on needle control lever 19 respectively, and similarly structure also can be diverted from one use to another to Fig. 7 b, structure shown in the 7c.

What need supplementary notes is, the lighter of structure shown in Fig. 6 c, the 6d, when getting angry for the first time, when promptly gland pressed to the armed position of bottom dead centre, what lighter sent was naked light (or windproof naked light), and then be converted to wind and fire, in fact, this structure is changed slightly, promptly needle control lever 19 is put upside down, just can realize that igniting is a wind and fire for the first time, and then convert naked light or windproof naked light to.This is put upside down can be referring to the explanation of above difference of Fig. 6 a, 6b structure being done.

Because the double-flame lighter of prior art generally adopts the sparking gear of piezoelectric ceramics, facts have proved that this sparking gear is well-adapted, by being described in detail above, essence of the present utility model is the flare switching mechanism that links of the action by sparking gear, the action of sparking gear can be to depress, also can carry out mechanically operated conversion, become action forms such as promotion, even do this change, also should belong to scope of the present utility model, so above reach the understanding that this feature should be made broad sense of depressing of sparking gear in the claim.

Claims (8)

1, a kind of energy produces the double-flame lighter that blows the naked light that do not go out, and comprises housing, the expansion box assembly, produce the windproof assembly of wind and fire, stretch into the naked light air supply pipe in the combustion furnace of windproof assembly, air feed switching mechanism, sparking gear is characterized in that having a current limliting force equalization mechanism in the naked light air supply pipe.

2, lighter according to claim 1 is characterized in that above-mentioned current limliting force equalization mechanism is one to have the catch of at least one micropore.

3, lighter according to claim 1, it is characterized in that above-mentioned current limliting force equalization mechanism be one have at least one micropore siphunculus.

4,, it is characterized in that above-mentioned current limliting force equalization mechanism further comprises the filter screen of the position, upper reaches that places micropore according to claim 2 or 3 described lighter.

5, according to claim 2 or 3 described lighter, it is 5～15mm that the equivalent that it is characterized in that at least one above-mentioned micropore is crossed flow diameter.

6,, it is characterized in that having on the above-mentioned windproof assembly cover spare that can close the mixing chamber inlet channel in the windproof assembly according to claim 1 or 2 or 3 described lighter.

7, according to claim 1 or 2 or 3 described lighter, it is characterized in that above-mentioned air feed switching mechanism is a control valve, this valve is controlled by the gland of sparking gear.

8, lighter according to claim 7 is characterized in that the voussoir of above-mentioned control valve for extruding naked light air supply hose.

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