CN2483618Y

CN2483618Y - Safety ignition gun for children use

Info

Publication number: CN2483618Y
Application number: CN01246127U
Authority: CN
Inventors: 茅理翔; 李东良
Original assignee: Ningbo Feixiang Electric Appliances Co ltd
Current assignee: Ningbo Feixiang Electronic Appliance Co., Ltd.
Priority date: 2001-06-23
Filing date: 2001-06-23
Publication date: 2002-03-27
Anticipated expiration: 2011-06-23

Abstract

A safe igniting gun for children with a safety device being arranged inside thereof handle comprises a safety button whose tail is exposed outside the handle; and a cross rod, an upper end of thereof vertical rod is adjacent to an upper wall of an igniting trigger and a lower end is adjacent to a free end of a seesaw of a valve device, a front end of a head of thereof cross bar is thinner and a tail is thicker, the head of the cross bar is clipped between convex parts which are between a piezoelectric cap of a piezoelectric device and the igniting trigger and the tail is pushed against the safety button in a natural state; and a compression spring which is arranged between the upper end of the vertical rod and an inside wall of the igniting trigger and makes the cross rod automatically keep a fallback state. The utility model controls the route length of the piezoelectric cap via different thickness of the head of the cross bar of the cross rod and makes the piezoelectric cap beyond being whole course pressed down to ignite in a non-normal igniting state, therefore completely eliminates the safety hidden trouble.

Description

A kind of children's safety burning torch

The utility model relates to a kind of burning torch, particularly a kind of burning torch with the safety device that can prevent children's mis-ignition, that is, if the user only press button ignition switch routinely can't this burning torch of normal ignition.

Existing burning torch generally comprises one can be for the handle that grips and from the outward extending igniting gun barrel in handle upper end, in handle, be provided with gas box and air-valve device thereof, piezoelectric ignition device and igniting trigger thereof, the fuel gas of liquefaction is housed in gas box, during use, press the down-firing trigger, air valve is opened thereupon, piezoelectric ignition device produces electric spark by lead at the burning torch mouth of pipe simultaneously, light the fuel gas that is transported to the burning torch mouth of pipe through appendix, do not decontrol according to igniting trigger as continuing this moment, can keep burned flame at the gun barrel mouth, easy to operate.Because the gun barrel of burning torch stretches out, away from the staff that is held on the handle, therefore has suitable security compared with ignitors such as match, lighter, also have more simultaneously flexibility, therefore be loved by the people, be widely used in various occasions, as in the kitchen, lighting gas kitchen ranges, light bonfire when going out to picnic, in party, light birthday candle, or the like.Yet just because of the simplification of its operation, and therefore its profile, function, occupation mode be easy to be played and overdue combustion by children all the spitting image of a toy, thus the potential safety hazard of causing.

For this reason, the burning torch that has safety device is devised, and initial safety device is a locking switch in fact, has " opening " or " pass " two kinds of positions, and when being in the off-position, the igniting trigger is promptly stopped by it and can't be pressed.Yet a lot of users can forget after igniting finishes this locking switch is in the off-position again that at this moment, this locking switch has just lost effect fully.So, a kind of burning torch that has the modified locking switch also is devised, its locking switch has the performance that automatically replies, that is, after burning torch need not or be finished using, its locking switch was in the position of " pass " all the time automatically, this class burning torch roughly is divided into two classes again, one class is the network type electron trigger, makes the igniting trigger be stopped and can't be pressed, and promptly is like this as disclosed scheme in the U.S. Pat 6126437; Another kind of is the air valve of locking gas box, and air valve can't normally be opened, and promptly is like this as disclosed scheme in the U.S. Pat 6217313.The former to make, assembling has quite high requirement, and is not in place because if discharge cock is installed, and just might can't lock the trigger or by the fault of down-firing trigger not of lighting a fire; And the latter, then press the down-firing trigger, all the time can produce electric spark at the gun barrel mouth, though its air valve can not be conducted to combustion gas the gun barrel mouth because of locked, if but have combustible material still can cause unpredictable consequence this moment on every side, simultaneously, trigger is played if children press igniting for a long time, also can shorten the service life of piezo-electric device in it.

The purpose of this utility model provides a kind of children's safety burning torch with regard to being at above-mentioned prior art present situation, it idle or finish using after, be in the safety locking state automatically, even press, do not show electric spark because of the maloperation trigger of only will lighting a fire yet.

Another purpose of the present utility model is to provide a kind of children's safety burning torch, even press because of the maloperation trigger of only will lighting a fire, air valve can not discharge fuel gas yet.

The purpose of this utility model is achieved in that the children's safety burning torch includes one and can supply the handle and an outward extending igniting gun barrel of gripping, in handle, be provided with gas box and air-valve device thereof, piezoelectric ignition device, the igniting trigger is arranged on the belly position of handle, and be exposed to outside the handle, it is characterized in that in handle, also being provided with safeties, comprising:

One is arranged on the safety button of position, handle back, and its afterbody exposes to outside the corresponding installing hole of handle;

One be positioned under the igniting trigger, the cross-bar on the seesaw of air-valve device, the roof of the contiguous igniting in the upper end of its montant trigger, the free end of the contiguous seesaw in lower end, the head front end of cross bar is thinner, portion is thicker after a while for it, and under nature, between the piezoelectricity cap that the position that the cross bar head is thin is sandwiched in piezo-electric device and the middle protuberance of the trigger of lighting a fire, the afterbody of cross bar then offsets with the head of described safety button;

One compression spring is set between the madial wall of montant upper end and igniting trigger, and under nature, this spring forces cross-bar to keep the state that retreats and makes the safety button evagination outside handle.

Compared with prior art, the utility model utilize the piezoelectricity cap of piezo-electric device need be depressed the stroke of certain-length could piezoelectricity the principle of sparking, the different-thickness of the cross bar head by cross-bar is controlled the stroke length of piezoelectricity cap, it can't be pressed down by whole process and light a fire under improper fired state, therefore, even played by children, can not damage because of being pressed the igniting trigger constantly yet, simultaneously, the suitable air valve seesaw of shape suitably is installed, also can make the montant of cross-bar when maloperation can't depress the free end of seesaw, make air valve can't discharge gas, thereby thoroughly eliminate safe hidden trouble.

Description of drawings.

The stereoscopic schematic diagram of Fig. 1 the utility model embodiment.

Fig. 2 is for igniting trigger 4 is not pressed, the structure cross-sectional schematic when safety button 5 is not pressed into yet.

Fig. 3 is the igniting trigger 4 structure cross-sectional schematic of safety button 5 when not being pressed into that be pressed.

Fig. 4 is the igniting trigger 4 structure cross-sectional schematic of safety button 5 when being pressed into that be not pressed.

Fig. 5 is for igniting trigger 4 is pressed, the structure cross-sectional schematic when safety button 5 also is pressed into.

Fig. 6 is the safeties perspective exploded view among the utility model embodiment.

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

As Fig. 1～shown in Figure 6, be a preferred embodiment of the present utility model, including one can be for the handle 3 and the outward extending igniting gun barrel 1 that grip, and handle 3 is made of two involutory housings, and gun barrel 1 is fixed on the protuberance 31 on handle 3 tops by fixed cover;

Be provided with gas box 6 and air-valve device 63 thereof, piezoelectric ignition device 9 in handle 3, igniting trigger 4 is arranged on the belly position of handle 3, and is exposed to outside the handle 3, also is provided with safeties in handle 3, comprising:

One is arranged on the safety button 5 of position, handle 3 back, and its afterbody exposes to outside the corresponding installing hole 32 (referring to Fig. 6) of handle 3;

One be positioned under the igniting trigger 4, the cross-bar 8 on the seesaw 62 of air-valve assembly 63, the roof 42 of the contiguous igniting in the upper end of its montant 81 trigger, the free end 62a of the contiguous seesaw 62 in lower end, seesaw 62 has a lower concave part at the position of the described montant of correspondence 81 lower ends simultaneously; The head of cross bar 82 has a step that connects with the slope, forms thin and its thicker shape of 82b of portion after a while of front end 82a; And under nature, the position 82a that the cross bar head is thin is sandwiched between the middle protuberance 42 of the piezoelectricity cap 91 of piezo-electric device 9 and the trigger of lighting a fire, and the afterbody of cross bar 8 has the head of a 82c of flanging portion and described safety button 5 to offset; Described igniting trigger 4 inwalls are provided with two small embossments, 41,45 formation, one gathering sill in cross bar 82 rear positions of the described cross-bar of correspondence, simultaneously, described igniting trigger 4 inwalls also are provided with a small embossment 43 under described middle protuberance 42, thereby form the gathering sill on another same straight line;

One compression spring 7 is set between the madial wall of montant 81 upper ends and igniting trigger 4, and under nature, this spring 7 forces cross-bar 8 to keep the state that retreats and make safety button 5 evaginations outside handle 3.

Described handle 3 inwalls are provided with a catch 33 that protrudes in the position of correspondence igniting trigger bottom 44, and distance between the two is slightly less than the piezoelectricity stroke of the piezoelectricity cap 91 of described piezo-electric device.

61 for transferring fiery button among the figure, and 93,92 for connecting the lead of piezo-electric device 9 both positive and negative polarities respectively, and their other end extends to 1 mouthful of (not shown) of gun barrel always; 46 side seal boards among Fig. 6 for igniting trigger 4.

During use, when safety button 5 not by by advancing in the handle 3, promptly under nature, cross-bar 8 has only the thin position 82a of its cross bar 82 heads to be sandwiched between the middle protuberance 42 of the piezoelectricity cap 91 of piezo-electric device 9 and the trigger of lighting a fire, at this moment, if stopped by the catch on the handle 3 33 until its bottom 44 by down-firing trigger 4, piezoelectricity cap 91 does not reach the piezoelectricity stroke as yet, thereby piezo-electric device 9 can not struck sparks, and the montant of four-bladed vane 8 corrects the lower concave part that stretches into seesaw 62 for 81 times simultaneously, therefore seesaw 62 is failure to actuate or the movement range deficiency, and air valve 63 still remains on closed condition;

When with safety button 5 by advancing in the handle, then the thicker position 82b of cross bar 82 heads of cross-bar is filled between the middle protuberance 42 of the piezoelectricity cap 91 of piezo-electric device 9 and the trigger of lighting a fire, make piezoelectricity cap 91 that a stroke in advance arranged, press down-firing trigger 4 this moment again, then piezoelectricity cap 91 will reach the igniting stroke and make piezo-electric device 9 sparkings, and produce discharge spark by lead 92 (earth connection), 93 (electrode lines) on the spark generating assembly (not shown) of 1 mouthful of gun barrel; Meanwhile, the free end 62a of seesaw 62 is depressed in montant 81 lower ends of cross-bar, thereby air valve 63 is opened, and is delivered to 1 mouthful of gun barrel by appendix 64, runs into discharge spark and produces flame.

Claims

1. children's safety burning torch, including one can be for the handle and the outward extending igniting gun barrel that grip, in handle, be provided with gas box and air-valve device thereof, piezoelectric ignition device, the igniting trigger is arranged on the belly position of handle, and be exposed to outside the handle, it is characterized in that in handle, also being provided with safeties, comprising:

2. children's safety burning torch as claimed in claim 1 is characterized in that described cross bar head has a step that connects with the slope to form thin, the thicker shape after a while of required front end.

3. children's safety burning torch as claimed in claim 1 is characterized in that described handle inwall is provided with the catch of protrusion in the position of correspondence igniting trigger bottom, and distance between the two is slightly less than the piezoelectricity stroke of the piezoelectricity cap of described piezo-electric device.

4. as claim 1 or 2 or 3 described children's safety burning torches, it is characterized in that described igniting trigger inwall is provided with two small embossments in the cross bar rear positions of the described cross-bar of correspondence and forms a gathering sill.

5. children's safety burning torch as claimed in claim 4 is characterized in that described igniting trigger inwall also is provided with gathering sill in the cross bar forward position of the described cross-bar of correspondence.

6. as claim 1 or 2 or 3 described children's safety burning torches, it is characterized in that the seesaw of described air-valve device has a lower concave part at the position of the montant lower end of the described cross-bar of correspondence.

7. children's safety burning torch as claimed in claim 4 is characterized in that the seesaw of described air-valve device has a lower concave part at the position of the montant lower end of the described cross-bar of correspondence.

8. children's safety burning torch as claimed in claim 5 is characterized in that the seesaw of described air-valve device has a lower concave part at the position of the montant lower end of the described cross-bar of correspondence.