CN1309264A - Igniting gun with safety lock - Google Patents

Abstract

An igniting gun with safety lock is composed of a shell, a gas box, a press knob, a piezoelectric unit, a gas filling assemblage, a safety wheel with an arc lobe and a spring mechanism for unlocking said safety wheel and restoring it to orginal position. Said press knob has a convex edge sliding in a slot with limit wall. It features that the cooperatioin of two fingers is necessary for igniting, so preventing child from operating it.

Description

The burning torch of band safety lock

The present invention relates to a kind of burning torch, more particularly, is relevant a kind of burning torch that makes the band safety lock that burning torch locks certainly for insurance before use.

In Modern Family, burning torch has been the ignitor that kitchen gas range user uses always.Burning torch generally is made up of rifle shape housing, ignitron, button, the piezo-electric device as trigger or deduction, give vent to anger assembly and the vapour case etc. with valve and switchboard thereof etc.During the burning torch igniting, only need its button down is pushed, just can realize igniting easily.Because the similar pocket pistol of burning torch can be lighted a fire again easily, is subjected to liking of children (child) especially, they can imitate adult's use, be used for playing and igniting arbitrarily, cause sometimes to burn out or burn property, sometimes even cause accidents such as fire, so be absolutely unsafe.

For preventing that children from can take burning torch easily and it is lighted, and occurred many burning torches that have safety device on market.These burning torches adopt igniting pattern indirectly mostly, mainly be in rifle shape housing, to be equipped with one to limit direct promotion of its button and the safety device of igniting, this safety device comprises mechanical organs such as switch, wherein switch changes unlock state by the button that manually makes burning torch into from lock-out state, can light a fire, igniting finishes, then again by manually making button keep lock-out state.Though this safety device has the barrier of directly opening button together, children are easy to hand switch be pushed the position that button is opened after taking burning torch, are lighted a fire; And after burning torch is used, sometimes the carelessness because of the user is not returned to the closed position with switch, and switch can not play the safety locking effect, so children can light a fire arbitrarily after taking, especially hold when playing the child, be easy to because of the improper unfortunate accident that causes of lighting a fire.

The objective of the invention is to be to provide a kind of concerning the normal children, the button of burning torch often remains on latched position and the burning torch of the band safety lock that can not unlock easily.

Technical scheme of the present invention is such:

Therefore, burning torch of the present invention has the safety wheel of circular-arc projection and embossing portion and the spring mechanism that can make safety wheel go out of lock and lock by being provided with in rifle shape housing 1, the safety wheel pivotal mounting also makes its circular-arc projection can insert groove between moving of button and limited wall formation; When not being enabled in the restriction safety wheel, the button of burning torch can't be pressed, and burning torch is in the safety position of cutting out.When needing igniting, earlier safety wheel is turned to certain position, and kept, push button again and just can make and light a fire successfully.When loosening by the finger at safety wheel, because of the spring action of spring mechanism, safety wheel automatically resets, and in the groove, burning torch was in the safety position of cutting out again, plays unique insurance function between its circular-arc projection was inserted again and moved.Because this burning torch needs the finger interoperation of two certain dynamics, the difficulty especially that operates even children take burning torch has played the arbitrarily security insurance effect of igniting of children that prevents.And, burning torch advanced and reasonable design of the present invention, simple in structure, easy to operate dexterity and reliable.

Below will elaborate by embodiment and accompanying drawing structure and advantage thereof to burning torch of the present invention.

Fig. 1 is a structure cross-sectional schematic of the present invention;

Fig. 2 is the side view of Fig. 1;

Fig. 3 is one of partial structurtes cutaway view of the present invention, the button of expression burning torch under reset condition with the relative position relation of safety wheel;

Fig. 4 is two of a partial structurtes cutaway view of the present invention, the button of expression burning torch under safety position with the relative position relation of safety wheel;

Fig. 5 is three of a partial structurtes cutaway view of the present invention, the button of expression burning torch under fired state with the relative position relation of safety wheel.

See also shown in Fig. 1 and 2, a kind of burning torch with safety lock generally includes a rifle shape housing 1, one ignitron 2 (not drawing among the figure), a vapour case 3, a button 4, piezo-electric device 5, the assembly 6 of giving vent to anger, switchboard 7, wherein, rifle shape housing 1 be by last lower house engage relatively or be spirally connected form one in dry practice formula lever, the lower house 11 that only shows below it half in the drawings is a deduction ring 12 in a side of rifle shape housing 1, and it has integrally formed button slip hole 15 down.

Ignitron 2 is one section metal tube normally, be installed on the protruding end of rifle shape housing 1 upper right quarter, and its socket is communicated with rifle shape housing 1 hollow cavity.

Vapour case 3 is air receivers of the liquid imflammable gas of interior dress, and it is installed in rifle shape housing 1 rear portion, thinks that burning torch provides combustion gas.

Button 4 has a press surface 41 as the finger presses surface, this press surface can be made the curved surface on plane, also can on the curved surface on these planes, be pressed with embossing portion, one is positioned at the perisporium 42 under the press surface 41, and respectively one is positioned at piezoelectricity cover 43 on the diverse location of the back side, the tool pilot hole and presses vapour post 44.

Piezo-electric device 5 mainly comprises a piezoelectric blocks 51, and piezoelectric blocks retainer 52, retainer 52 are installed in the rifle shape housing 1 in vapour case 2 left sides, and piezoelectric blocks 41 is assemblied in the retainer 52, and the piezoelectricity cover 43 on one head and the button 4 insert combination mutually.

The assembly 6 of giving vent to anger comprises interior overcoat 61, air-out needle 62, adjustable ring 63, give vent to anger and adjust piece 64, go out air spring, T-head, foam-rubber cushion etc.With they through the assembling together after, be installed on the port of export of vapour case 3 by interior overcoat 61, and the needle body portion of overcoat 61 was provided with a scrobicular ring in air-out needle 62 exposed, giving vent to anger under scrobicular ring adjusted on the piece 64 and is set with adjustable ring 63, the part of this adjustable ring 63 is to be exposed to outside the opening of rifle shape housing 1 one sides, so that adjustable ring 63 adjusting property rotations.Usually, air-out needle 62 is in the closed condition to vapour case 3, opens following switchboard 7 effects such as grade with explanation that need.

Switchboard 7 is plates that bend at a certain angle, bending place, middle part at plate is provided with a hole, it is pivotally mounted on the rifle shape housing 1 that is positioned at vapour case 3 tops by bearing pin 71, and fork-shaped portion 72 forks of one head are gone into the scrobicular ring of needle body and clamped air-out needle 62, and the other end contacts with button 4.Make pressure vapour post 44 pull switch plates 7 when pressing down button 4, fork-shaped portion 72 plays 53 groups of air-out needles by scrobicular ring, and gas just can overflow from its pin mouth.

Above-mentioned all parts are the employed structure member of conventional burning torch, only list as an example in the present invention, but are not limited to this, will no longer set forth herein so form in detail and constitute.

The present invention mainly is that the side deduction ring at rifle shape housing 1 also has a limited wall 13 as the certain altitude of button slip hole 15 for 12 times, limited wall 13 preferably and rifle shape housing 1 integrally formed, be provided with an arc groove 16 thereon.

The press surface 41 of described button 4 is provided with the projecting edge 45 of the perisporium 42 that stretched out.By the suitable button slip holes 14 of packing into of perisporium 42, the projecting edge of the wall end of slip hole limited wall 13 or upper end and button 3 keeps a determining deviation up and down between the opposite face at button 4, and constitutes one and highly move a groove 46 for the button of H.

In addition, a described rifle shape housing 1 and a groove 46 or arc groove 16 corresponding lateral walls are provided with a strip gab 17, move at button between a groove and the strip gab 17 on be provided with a jack-post 18 on one of the lower house.

The present invention also comprises: a safety wheel 8 with button locking, the side face part of described safety wheel is provided with a circular-arc projection 81, is provided with embossing portion 82 on another part relative with circular-arc projection 81.Described safety wheel 8 can be installed on the jack-post 18 rotationally by axis hole, and the circular-arc projection on it can insert button and move a groove 18, and the strip gab 17 of lateral wall extends in 82 in portion of embossing portion; With one safety wheel 8 is gone out of lock and can automatically revert to the spring mechanism of former latched position again.

Spring mechanism comprises that one is arranged at the hanging column 19 on one of last lower house near safety wheel 8, one is arranged at safety wheel one a lip-deep holding part 83 and a spring 9, this spring is the coil spring of band hook, and be set in safety wheel one a lip-deep holding part 83 and a spring 9, this spring is the coil spring of band hook, and be sleeved on the jack-post 18, and the hook of one end colludes on the extension hanging column 19, the hook of the other end is buckled on the holding part 83.

The projection of the circular-arc projection 81 of safety wheel 8 is apart from h, and button 4 displacement H generally are equal to or greater than the minimum range that makes piezoelectric blocks 51 reach igniting.

The circular-arc projection 81 of safety wheel 8 the extreme lower position that is arranged in arc groove 16 to one of last lower house on the lean rotation angle α of position of hanging column 19, α=15～65 °, the embossing portion 82 of described safety wheel is the straight-tooth groove, so that available finger is stirred.

See also shown in Fig. 3-5, represent that respectively button 4 wherein is in the relative position relation of next safety wheel 8 each several part of reset condition, safety position and fired state.During use, button 4 earlier with holding tight rifle shape housing 1, is placed on thumb in the embossing portion 82 of safety wheel 8 under reset condition then, and forefinger puts in and is placed on the button 4 of 12 li on deduction ring.Safety wheel 8 is stirred in the direction of the clock earlier during igniting with thumb, push active till, (can not exert all one's effort to dial again) thumb can not loosen.And then pull button 4 with forefinger, be anchored to position (lighting) after, promptly reach fired state, thumb can loosen.After finger loosened, button 4 was owing to the spring action of 51 li of piezoelectric blocks resets, and 8 of safety wheels return original position again under the effect of the spring 9 of spring mechanism.When lighting a fire again for the second time, stir safety wheel 8 with thumb earlier again, could pull button 4 again.When not stirring safety wheel 8, directly pull button 4, because the circular-arc projection 81 of safety wheel 8 is blocked button 4, button 4 can not be pulled, fire just can not be lighted, as shown in Figure 4.Because switchboard of gas 6 and piezoelectric blocks 51 are to push up inward by button 4 just can open.Have only gas is emitted, piezoelectric blocks 51 is emitted spark again, just can light flame.The big or small available thumb of flame is stirred adjustable ring 63 and is regulated, and clockwise direction is big, is little counterclockwise.

In another case, the arc groove of described limited wall 13 is first half-arc groove.The projecting edge 45 of described button 4 has and connects piece 48, this lower end that connects piece be provided with towards outside and with relative second half-arc groove that separates in first half-arc groove upper end.Being provided with of second half-arc groove is beneficial to safety wheel 8 when the arc groove that breaks away from limited wall 13 or first half-arc groove, the level and smooth rotation of the circular-arc projection 81 of safety wheel 8.

Claims (6)

1. burning torch with safety lock, comprise rifle shape housing, be installed in the ignitron of rifle shape housing front end and rear portion the vapour case, be loaded on button, piezo-electric device in the button slip hole that contains limited wall under the housing deduction, have the give vent to anger assembly and the switchboard of interior overcoat and air-out needle etc., it is characterized in that: described button is provided with outward extending projecting edge on press surface, this projecting edge and button slip hole keep a determining deviation up and down between the apparent surface, and constitute a button and move a groove; Described limited wall upper end is provided with towards outer arc groove, described rifle shape housing with arc groove opposite external side wall on be provided with a strip gab, move at button between arc groove and the strip gab on be provided with a jack-post on one of the lower house; Also comprise:

One safety wheel, the side face part of described safety wheel is provided with a circular-arc projection, on side face another part relative, be provided with embossing portion with circular-arc projection, described safety wheel can be installed on the jack-post by axis hole rotationally, and the circular-arc projection on it can mesh form be inserted the arc groove of limited wall, and strip gab stretches out in embossing portion;

One can go out of lock and the spring mechanism that can automatically revert to former latched position again safety wheel.

2. the burning torch of band safety lock according to claim 1, it is characterized in that: described spring mechanism comprises that one is arranged at the hanging column on one of last lower house near safety wheel, one is arranged at safety wheel one a lip-deep holding part and a spring, this spring is the coil spring of band hook, and be sleeved on the jack-post, and the hook of one end is hooked on the hanging column, and the hook of the other end is buckled on the holding part.

3. the burning torch of band safety lock according to claim 1, it is characterized in that: the circular-arc projection of described safety wheel be arranged in extreme lower position that button moves a groove to one of last lower house on the lean angle α of position of hanging column, α=15 °～65 °.

4. the burning torch of band safety lock according to claim 1 is characterized in that: the embossing portion of described safety wheel is the straight-tooth groove.

5. the burning torch of band safety lock according to claim 1 is characterized in that: described arc groove is first half-arc groove.

6. the burning torch of band safety lock according to claim 1 is characterized in that: the projecting edge of described button has and connects piece, this lower end that connects piece be provided with towards outside and with relative second half-arc groove that separates in first half-arc groove upper end.

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