CN1598405A - Gas lighter - Google Patents

Abstract

In this gas lighter comprising a fuel tank 2, a fuel release valve device 25 for releasing a gas of the fuel from a nozzle, the piezoelectric unit 9 for igniting the released fuel, a center frame 3 with a gaslight supported by the fuel tank, and the opening and closing cover 6 covering at least an upper part of the gaslight of the center frame, the fuel tank has a left end support trunk 22 and a right end support trunk 21 respectively projecting upward integrally and continuously from upper end faces of left and right end parts in the lateral width direction, and projections 23, 24 projecting upward between the left end support trunk and the right end support trunk for rotatably supporting a gas release lever 11, the center frame has left end legs 35, 36 supported by the left end support trunk and extended downward and a right end leg 31 supported by the right end support trunk, the fuel release valve device is located between the left end support trunk and the projection, and the piezoelectric unit is located between the projection and the right end support trunk. To provide a gas lighter capable of being narrowed in its lateral width direction y, improving the reliability in ignition by high voltage of a piezoelectric unit, and simplifying a supporting structure of an opening and closing cover.

Description

Gas lighter

Technical field

The present invention relates to from nozzle emit the liquefied fuel of fuel bath gas, make the gas lighter of this gas igniting by the high-voltage discharge (spark) that uses piezoelectric unit, particularly relate to and having by the middle frame of the band burner of fuel bath support and the gas lighter of open-close lid that covers the top of burner at least of this middle frame.

Background technology

Open in the 2001-221436 communique [patent documentation 1] Japan Patent spy, putting down in writing the gas lighter of one of this product.The structure of the fuel bath 2 of this gas lighter is end face central authorities thereon, the two ends of binding post 9 that will extend along last direction z and the horizontal cross direction y that is positioned at fuel bath 2 and add up to the bar member of 3 support middle frame 6 along 2 poles that last direction z extends are with the fuel cell wall one shape that links.The pin 10 that middle frame 6 connects itself by the x direction and links post 9 links, and, by described 2 poles that link post 9 both sides from lower support.Like this, in the fuel bath 2 insertion shell bodies 1 with middle frame 6 combinations, thus, the latter half of middle frame 6 also is embedded in the shell body 1.The first half of middle frame 6 is covered by the loam cake 8 that combines with shell body 1 hinge, by opening loam cake 8, the first half of middle frame 6 is exposed.Have burner on the middle frame 6, the side has the combustion barrel of high velocity jet high-temperature combustion gas upward within it.In above-mentioned 3 bar members, between 1 of central authorities and 1 of left end, have from fuel bath and emit the fuel discharge valve device that fuel gas is used to nozzle 11, again, between 1 of central authorities and left end 1, have piezoelectric unit 15.Therefore, the width of the horizontal cross direction y of this gas lighter is big, is difficult to be made into narrow tiny shape.

Open in the 2003-240234 communique [patent documentation 2] Japan Patent spy, putting down in writing a kind of gas lighter of the rotation of sliding.The structure of this gas lighter is to have omitted shell body, fuel bath 1 is used for housing, and, with a part of 3b of middle frame part as housing, in the central authorities and the continuous pole 1b that forms of its one of fuel bath, use pin in conjunction with rotating loam cake 5.Middle frame also links with pole 1b by the combination of this pin.Between a part of 3b of middle frame and pole 1b, have fuel discharge valve device 2, have piezoelectric unit 6 in its reverse side, by with the continuous housing wall of the wall one of fuel bath 1 with its rear support.Piezoelectric unit 6 by upper wall from lower support.This gas lighter is because of having omitted shell body, so the width of horizontal cross direction y reduces slightly, but since be by the slip of loam cake 5 rotate carry out gas emit and produce discharge spark promptly, be a kind of 1 operated structure of catching fire of loam cake slip rotation, therefore, in case disarrayed, just might make the fuel gas failure of catching fire by the air-flow of the combustion barrel inside of middle frame support by the slip of loam cake 5.

Also have a kind of 2 operated catching fire, it is after opening open-close lid, and by pressing the operating knob that catches fire that exposes therefrom, the pressing operation piezoelectric unit is emitted the structure that an end of bar is pressed with gas.The fuel gas stability of ignition height of this structure.And the hinge of supporting open-close lid is because of being positioned at the end of width, so horizontal roomy.

In [patent documentation 3] Japanese patent laid-open 11-241822 communique, the structure of the gas lighter of record is, the latter half of middle frame 4 is made square tube shape, be accommodated in its inside from the below with the upper end of fuel bath 2, along thickness direction with threaded pin 18 and Screw 19 break-through, screw-type by threads/screws is fastening, and middle frame 4 is fixed in the fuel bath 2.Because of the pole of middle frame 4 being fixed in fuel bath 2 is not set, so can reduce the width of width y.Yet, because this gas lighter, support member 11 by pin in conjunction with 12, can open-close lid 9 be supported with opening and closing, this support member 11 has formed pin with middle frame 4 and has combined 17, and, providing the damper 13 that opens and closes maintenance energy with the toggle form to open-close lid 9, intercalation is between middle frame 4 and open-close lid 9, therefore, the support complex structure of open-close lid 9.Again, because of damper 13 is subjected to influence runout on width of toggle motion, so must guarantee the horizontal wide of this part.

The present invention's the 1st purpose is, the gas lighter that provides the width of horizontal cross direction y to reduce, the 2nd purpose be, improves the reliability that gaseous fuel that the high voltage that taken place by piezoelectric unit causes catches fire, the 3rd purpose is, makes the support simple structureization of the open-close lid that covers burner portion.

Summary of the invention

(1) gas lighter of the present invention comprises: fuel bath (2); The fuel discharge valve device (25) that the gas of its liquefied fuel is emitted from nozzle; The piezoelectric unit (9) that the fuel fire of emitting is used; The middle frame (3) of the band burner of supporting by fuel bath; And with the open-close lid (6) that the top of the burner at least of this middle frame covers, it is characterized in that,

Described fuel bath (2) has: respectively horizontal cross direction left and right end portions, the left end pole (22) of stretching out upward continuously from the upper surface one respectively; Right-hand member pole (21); And between protrudes upward, support the gas that described fuel discharge valve device (25) carries out ON operation is emitted the projection (23,24) of bar (11) rotationally, and described middle frame (3) has: the left end pin of being supported by described left end pole (22) (35,36) that extends downwards; And the right-hand member pin of supporting by described right-hand member pole (21) (31), described fuel discharge valve device (25) is positioned between described left end pole (22) and the projection (23,24), and described piezoelectric unit (9) is positioned between described projection (23,24) and the described right-hand member pole (21).

In addition, for the ease of understanding, in bracket, mark the counterpart of aftermentioned embodiment shown in the drawings or the symbol of corresponding key element, as illustration for your guidance.Below also identical.

Middle frame (3) roughly is towards the コ word shape that counterclockwise rotates behind 90 degree with コ, right-hand member pin (31) and left end pin (35,36) become this コ font to lower support leg, the body of fuel bath (2) roughly be with コ rotate toward the clockwise direction 90 the degree after the コ word shape, left end pole (22) and right-hand member pole (21) become the upwards leg of this コ font, to combine with the leg that makes progress to lower support leg at the foot place, middle frame (3) is combined towards (2) with fuel, promptly, because of having omitted in the past, pole by the central support middle frame, so can easily carry out the packing into and link of multiple key element, can reduce the horizontal wide of lighter from fuel discharge valve device (25) to burner.And, improved the holding strength of fuel bath (2) to middle frame (3).

(2) in the gas lighter that above-mentioned (1) is put down in writing, opposite face at the piezoelectric unit of described right-hand member pole (21) has groove, the inside of the described projection (23,24) of the continuous always extremely described fuel bath (2) of this groove and the piezoelectric unit reception hole of the upper surface between described right-hand member pole (21), bonding conductor plate (8) is inserted in this groove, 1 in the high-voltage output terminal of this bonding conductor plate (8) and piezoelectric unit (9) contacts, and is connected with the electric property of described middle frame (3) of electric conductor.Thus, bonding conductor plate (8) can be installed compactly.

(3) in the gas lighter that above-mentioned (2) are put down in writing, described right-hand member pin (31) contacts with the back side of described right-hand member pole (21), begin horizontal cross direction along the left side from the right side, described right-hand member pin (31) is distributing, described right-hand member pole (21), described bonding conductor plate (8) and described piezoelectric unit (9), electric conductor pin (5) is on this horizontal cross direction, connect described right-hand member pole (21) and described right-hand member pin (31), with both combinations, and contact with described bonding conductor plate (8), with this described right-hand member pin (31) is connected with the electric property of bonding conductor plate (8).Thus, because of with electric conductor pin (5) middle frame (2) being connected with the electric property of the high-voltage output terminal of piezoelectric unit (9) by bonding conductor plate (8), so can improve the reliability that fuel gas that the high voltage by the piezoelectric unit generation causes catches fire.

(4) in each gas lighter of putting down in writing of above-mentioned (1) to (3), described open-close lid (6) is located in conjunction with the over-hang part (61) of usefulness at the hinge of its left end bottom, by in conjunction with pin (7), be that the center rotatablely opens and closes ground, combines with middle frame (3) in the top of the left end pin (35,36) of middle frame 3 with it.

(5) in the gas lighter that above-mentioned (4) are put down in writing, the upper surface of described left end pole (22) has vertical core, compression helical spring (13) is inserted in this hole, the lower end of elbow arm (14) is supported from following that by the upper end of this compression helical spring (13) upper end (142) of this elbow arm (14) is supported the lower end of described over-hang part (61) from following.Thus, close and keep and open the toggle mechanism of keeping open-close lid (6) and support, be positioned between left end pole (22) and open-close lid (6) the left end bottom,, be convenient to assemble, and can reduce the horizontal wide of lighter so make the toggle mechanism simplification by left end pole (22).

(6) in the gas lighter that above-mentioned (5) are put down in writing, have support pin (142) down in the upper end of described elbow arm (14), the lower surface in described over-hang part (61) offers and can insert the groove (63) that the round bottom of pin (142) is supported in this time from the below.Thus, open-close lid (6) is oversimplified with respect to the installation of middle frame (2) and toggle mechanism.

Other purpose of the present invention and feature thereof, the explanation of following examples that can be by the reference accompanying drawing gives clearly.

The simple declaration of accompanying drawing

Fig. 1 (a) is the amplification front view of one embodiment of the invention, (b) is left surface figure, (c) is the left surface figure behind the desheathing body 1.

Fig. 2 is the profilograph of gas lighter shown in Figure 1.

Fig. 3 is for body, the middle frame 3 of the fuel bath 2 of gas lighter shown in Figure 1 and be electrically connected the exploded perspective view of conductor plate 8.

Fig. 4 is the open-close lid 6 of gas lighter shown in Figure 1 and the front elevation of elbow arm 14 thereof.

Fig. 5 is the stereogram of the profile of elbow arm 14 shown in Figure 4.

The specific embodiment

The front enlarged drawing of Fig. 1 (a) expression one embodiment of the invention, Fig. 1 (b) represents its left surface figure, the left surface behind Fig. 1 (c) expression desheathing body 1.Be accommodated in the fuel bath 2 in the shell body 1, linking the middle frame 3 of electric conductor by pin 4,5 (Fig. 2, Fig. 3), this middle frame 3 can open and close by pin 7 and link open-close lid 6 rotationally.

The vertical section of the gas lighter shown in Fig. 2 presentation graphs 1 (a), Fig. 3 represents the outward appearance of body, middle frame 3 and the bonding conductor plate 8 thereof of fuel bath 2.At the body of fuel bath 2, have pole 21,22, guide protrusions 23 and the fulcrum projection 24 of stretching out towards the top from its upper end.

The right-hand member pin 31 of middle frame 3 is supported at the back side of the pole 21 supporting piezoelectric units 9 of right-hand member again.On this pole 21, has the groove that is connected with the inside of the piezoelectric unit reception hole of the upper surface of the body of fuel bath 2, bonding conductor plate 8 is inserted wherein, the lower end of bonding conductor plate 8 be positioned at piezoelectric unit 9 bottoms earthy conductor (high-voltage output terminal 1) 91 below be in contact with it.The upper end of bonding conductor plate 8 is positioned at the back of piezoelectric unit 9, is being pressed by the right-hand member pin 31 that connects middle frame 3 and the pin (metallic conductor) 5 of right-hand member pole 21, and thus, bonding conductor plate 8 is connected with middle frame 3 electric property by pin 5.The earthy conductor 91 of piezoelectric unit 9 bottoms is connected with the electric property of the earthy conductor of piezoelectric unit 9 bottoms.By the shell body 1 of pressing pin 5 and outer end thereof, the right-hand member pin 31 of middle frame 3 is all immovably linked with the right-hand member pole 21 of fuel bath 2 on any 1 direction of longitudinal direction z, horizontal cross direction y and thickness direction x again.

Among Fig. 2, between the left end pole 22 and projection 23,24 of the body of fuel bath 2, fuel discharge valve device 25 is installed, the air mixing tube 26 of emitting the nozzle combination with its fuel engages with the left end (head) that the gas of コ font is emitted bar 11.Gas emit 2 legs after bar 11 is opened by fulcrum projection 24 from lower support, and guide freely by guide protrusions 23 liftings that are positioned between leg, on thickness direction x, can not misplace.On the slide member 92 of piezoelectric unit 9, be covered with the operating knob 12 that catches fire, tubular frame section 32 and the right-hand member pin 31 thereof of this operating knob 12 of catching fire by middle frame 3, on above-below direction z lifting freely, but not removable on horizontal cross direction y and thickness direction x.

On the operating knob 12 that catches fire, has the sidewall 121 that surrounds piezoelectric unit 9, when the user presses when catching fire operating knob 12, the tail end (right-hand member) that the lower end of sidewall 121 emits bar 11 with gas is depressed, thus, gas is emitted bar 11 and is rotated with the posture shown in the dotted line among Fig. 2, the gas of fuel discharge valve device 25 is emitted nozzle upwards to be pushed away, thus, the fuel of fuel bath 2 enters gas and emits nozzle, again by the burner noz(zle) 28 of electric conductor, be released to the combustion barrel space that is provided with in the burner platform 33 of middle frame 3 by air mixing tube 26 and flezxible coupling 27.The upper end in this space promptly is a burner.The lower end in this space is being closed by pottery tube 29 (insulators) of the band inward flange that burner noz(zle) 28 connects from bottom to top.Below burner, has catalyzed metallic wire 34.

In the lower end of burner noz(zle) 28, another of high-voltage output terminal that piezoelectric unit 9 in package is electrical lead wire 93, and thus, burner noz(zle) 28 is connected with the electric property of this high-voltage output terminal.By pressing the operating knob 12 that catches fire, fuel discharge valve device 25 is emitted bar 11 formation valves by gas and is opened, the latch of piezoelectric unit 9 inside is thrown off, the compression helical spring that is pressed and compresses rebounds and extends, coupled columns is filled in row and is driven, this plunger hits piezoelectric element, and the high voltage of thousands of volts or tens of kilovolts takes place piezoelectric element, and this high voltage comes across between the high-voltage output terminal (91/93).This high voltage puts between the upper end 281 of the catalyzed metallic wire back-up ring in the combustion barrel space of burner platform 33 and burner noz(zle) 28, high-voltage discharge takes place between it, be so-called electric spark or spark.The fuel gas in combustion barrel space is caught fire.Owing to emit the fuel gas that is mixed with air from burner noz(zle) 28 to the combustion barrel space of burner platform 33, therefore, the air gas mixture after catching fire becomes high-temperature combustion gas stream, blows out from the burner of burner platform 33.

Left end at middle frame 3 has 1 pair of leg 35,36 (Fig. 3), and these legs are clamped the left end pole 22 of the body of fuel bath 2. Leg 35,36 links with left end pole 22 by the pin 4 that connects leg and left end pole 22.That is, middle frame 3 is 35,36/31 one of the leg of its left side/right-hand member,, and linked by pin 4/5 from lower support by the left side of fuel bath 2/right pole 22/21.

Have vertical core on the left end pole 22 of fuel bath 2, compression helical spring 13 is packed in this hole, in the upper end of compression helical spring 13, embeds the projection 141 that elbow arm 14 lower ends are arranged.Elbow arm 14 by its upper end with the pin 142 of body one progressive forming, be embedded in the embeded slot 63 of the round bottom that the thickness direction x left end below, that cut on the lower surface of hinge in conjunction with the over-hang part 61 of usefulness of open-close lid 6 extends.

Fig. 4 exploded representation open-close lid 6 and elbow arm 14 thereof, Fig. 5 represents the three-dimensional shape of elbow arm 14.Utilize the break-through hinge in conjunction with the through hole of the over-hang part 61 of usefulness in conjunction with pin 7, open-close lid 6 rotates (switching) and combines with middle frame 3 freely, as shown in Figure 2, when open-close lid 6 is closed, the center of rotation that the pin 142 of elbow arm 14 upper ends is positioned at open-close lid 6 is promptly sold 7 below and left side, and the sort of bounce that pushes away elbow arm 14 upward of compression helical spring 13 is as the rotating drive power of clockwise direction (closing direction), put on open-close lid 6 by elbow arm 14, so open-close lid 6 is maintained at the state of closing.The user is in case refer to mother, counterclockwise (open direction) and upwards rub the right-hand member side of the open-close lid 6 among Fig. 2, then the pin 142 of elbow arm 14 upper ends surmounted center of rotation pin 7 under, move to the right side under the pin 7, from at this moment, the sort of bounce that compression helical spring 13 pushes away elbow arm 14 upward, rotating drive power as counter clockwise direction (opening direction), put on open-close lid 6 by elbow arm 14, thus open-close lid 6 automaticitys are opened rotation, to swing to the posture in left side slightly from vertical position, the hinge that makes open-close lid 6 contacts with the upper surface of shell body 1 in conjunction with the over-hang part 61 of usefulness, open rotation in this prevention, open-close lid 6 is kept this and is opened posture.

When being in this and opening posture, in a single day the user presses the operating knob 12 that catches fire, and then as previously mentioned, high-velocity combustion gas stream blows out from the burner of burner platform 33.The pressing of operating knob 12 if stop to catch fire then utilizes the power of returning of the compression helical spring of the piezoelectric unit 9 inside operating knob 12 that will catch fire to push back, and thus, prevents the outflow of fuel gas from fuel bath 2, and fuel gas stream disappears.If the user rotates open-close lid 6 clockwise directions (closing direction), then the pin 142 of elbow arm 14 upper ends has moved to the left side under the center of rotation pin 7, from at this moment, the sort of bounce that compression helical spring 13 pushes away elbow arm 14 upward, rotating drive power as clockwise direction (closing direction) puts on open-close lid 6 by elbow arm 14, thus open-close lid 6 automaticitys is closed rotation, become the posture of closing shown in Figure 2, keep this and close posture.

In addition, with reference to Fig. 2, the hold-down screw 15 in the hole that break-through shell body 1 is gone to the bottom is threaded in the female screw that fuel bath 2 goes to the bottom, and thus, fuel bath 2 is pulled to the direction that shell body 1 is gone to the bottom.The 16th, inject the fuel injection valve device that liquefied fuel is used from fuel cylinder to fuel bath 2.The 17th, the adjustment screw of adjustment flame size (fuel flow rate) usefulness.

(explanation of symbol)

1 shell body, 2 fuel baths 21,22 poles, 23 guide protrusions, 24 fulcrums projection, 25 fuel are emitted Valve gear 26 air mixing tubes 27 flezxible couplings 28 burner noz(zle)s 29 ceramic cylinders 3 middle frames 31 right-hand members Pin 32 tubular frame sections 33 burner platforms 34 catalyzed metallic wires 35,36 left end pin 4,5 pins 6 are opened Close and cover 7 pins, 8 bonding conductor plates, 9 piezoelectric units, 91 bonding conductors, 92 slide members, 11 gas Body is emitted bar 12 operating knob 121 sidewalls 13 compression helical springs 14 elbow arms 141 projections 142 of catching fire Pin 15 hold-down screws 16 fuel injection valve devices 17 flow adjustment screws.

Claims (6)

1. a gas lighter comprises: fuel bath; The fuel discharge valve device that the gas of its liquefied fuel is emitted from nozzle; The piezoelectric unit that the fuel fire of emitting is used; The middle frame of the band burner of supporting by fuel bath; And with the open-close lid that the top of the burner at least of this middle frame covers, it is characterized in that,

Described fuel bath has: the left end pole of stretching out upward continuously in horizontal cross direction left and right end portions, from the upper surface one respectively; Right-hand member pole; And between protrudes upward, support the gas that described fuel discharge valve device carries out ON operation is emitted the projection of bar rotationally, and described middle frame has: the left end pin of being supported by described left end pole that extends downwards; And the right-hand member pin of supporting by described right-hand member pole, described fuel discharge valve device is between described left end pole and projection, and described piezoelectric unit is between described projection and described right-hand member pole.

2. gas lighter as claimed in claim 1, it is characterized in that, opposite face at the piezoelectric unit of described right-hand member pole has groove, the inside of the described projection of the continuous always extremely described fuel bath of this groove and the piezoelectric unit reception hole of the upper surface between described right-hand member pole, the bonding conductor plate is inserted in this groove, 1 in the high-voltage output terminal of this bonding conductor plate and piezoelectric unit contacts, and is connected with the electric property of the described middle frame of electric conductor.

3. gas lighter as claimed in claim 2, it is characterized in that, described right-hand member pin contacts with the back side of described right-hand member pole, begin horizontal cross direction along the left side from the right side, the described right-hand member pin that distributing, described right-hand member pole, described bonding conductor plate and described piezoelectric unit, the electric conductor pin is on this horizontal cross direction, connect described right-hand member pole and described right-hand member pin, with both combinations, and contact, the electric property of described right-hand member pin and bonding conductor plate is connected with this with described bonding conductor plate.

4. as any 1 described gas lighter in the claim 1 to 3, it is characterized in that, described open-close lid is at the hinge of its left end bottom over-hang part place in conjunction with usefulness, by in conjunction with pin, is that the center rotatablely opens and closes ground, combines with middle frame above the left end pin of middle frame 3 with it.

5. gas lighter as claimed in claim 4, it is characterized in that the upper surface of described left end pole has vertical core, compression helical spring is inserted in this hole, the lower end of elbow arm is supported from following that by the upper end of this compression helical spring the upper end of this elbow arm is supported the lower end of described over-hang part from following.

6. gas lighter as claimed in claim 5 is characterized in that, has in the upper end of described elbow arm to support pin down, in the lower surface of described over-hang part, offers and can insert the groove that the round bottom of pin is supported in this time from the below.

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