CN100478616C

CN100478616C - Back striking lighter safety lock

Info

Publication number: CN100478616C
Application number: CNB2007100205251A
Authority: CN
Inventors: 尚诚德; 尚圣洁
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-03-08
Filing date: 2007-03-08
Publication date: 2009-04-15
Anticipated expiration: 2027-03-08
Also published as: CN101021330A

Abstract

The present invention relates to a back-lighted type lighter safety lock. It is characterized by that a secret pin is set in the interior of machine head, said secret pin is a lever mechanism, the pivot of said lever is the pin shaft set on the machine head, the right arm of said lever is extended towards outer side wall of machine body, the left arm of said lever is extended into the machine head interior; on the top cover of said machine head a long hole is set along the sliding direction of machine head, the top cover of said machine head is covered by using an opening-closing knob, said opening-closing knob is slide-fit with the top cover of machine head, a starting bar is fixedly-placed in the bottom portion of said opening-closing knob, said starting bar is passed through long hole and is placed in the machine head interior, the bar end of said starting bar is used as drive end for driving left arm of said lever; on the pin shaft a torsion spring is set, the bottom end of said torsion spring is fastened on the right arm of lever, the upper end of said torsion spring is formed into 'V'-shaped elastic structure. Said invention also provided the working principle of said back-lighted type lighter safety lock and its concrete operation method.

Description

Back striking lighter safety lock

Technical field

The present invention relates to lighter safety lock.A kind of back of the body of more specifically saying so is played formula electronic lighter safety lock.

Background technology

The back of the body is made the formula electronic lighter, and application in daily life is very general, and is inexpensive and easy and simple to handle because of it, causes children to enjoy a lot to play, often because improper use causes that fire works the mischief.For this reason, more American-European countries and tissue are launched respectively C

The R bill limits even forbids not having at its domestic production and selling the electronic lighter of safety lock.In order not only to limit children's use but also not influence the product daily use, people have designed the various lighter of putting that attach together with lock, cause certain difficulty to stop children to use without authorization by children being used lighter.But because existing various lock uint designs are complicated, complex operation also can cause the bigger raising of lighter complete machine cost simultaneously, is unfavorable for market sale.

Summary of the invention

The present invention is for fear of above-mentioned existing in prior technology weak point, and a kind of sealed back striking lighter safety lock reliable, easy and simple to handle, with low cost is provided.

The design feature of the technical scheme that technical solution problem of the present invention is taked is:

Inner chamber at head is provided with dowel, and described dowel is a lever construction, and the fulcrum of lever is arranged on the bearing pin on the head, and the lever right arm stretches to the body lateral wall, and the lever left arm stretches in the head;

On described head top cover, along the head glide direction slotted hole is set, opening and closing button is covered on the head top cover, and with the head top cover along being slidingly matched on the head glide direction, the bottom that opens and closes button fixedly installs starting bar, described starting bar passes slotted hole and is in the head, with the rod end of starting bar as the drive end that promotes the lever left arm;

The button spring is set on described bearing pin, button spring bottom is buckled on the lever right arm, the V-shaped elasticity setting in upper end of button spring, the end bayonet socket of button spring upper end fixes in the hole clipping of starting bar, and the button spring has between lever right arm and starting bar the lever right arm to the elasticity pretightning force to the body lateral wall.

Design feature of the present invention also is:

Middle part at described dowel is provided with cotter way, and the button spring is inlaid in the cotter way.

The width of described keying button forms the head incline that is positioned at keying button side less than the width of head top cover, and the afterbody that opens and closes button is set to protrude from the afterbody of head top cover.

During locking states of the present invention, under the effect of button spring, the lever right arm of dowel presses down, and its end is butted on the upper edge of body lateral wall, and this situation can't the slide-open head; In the opening process,, and promote towards combustion gas mouth direction as long as at first open and close on the button by being pressed in thumb, the head safety lock promptly is disengaged, thumb do not unclamp open and close button in, push down the head incline and be compressible Piezoelectric switches slide bar to break the motivation head off with the fingers and thumb away from the direction of combustion gas mouth, hit the combustion lighter; After the sparking operation was finished, in a single day thumb broke away from head and opens and closes button, and under the effect of button spring, safety lock is in locked state again.

Compared with the prior art, beneficial effect of the present invention is embodied in:

1, the present invention directly is provided with safety lock at the head inner chamber of electronic lighter, can fundamentally prevent children opening cigarette lighters, and then avoids causing fire incident and hazard to person.

2, the present invention is simple in structure, and locking is reliable, and is with low cost.

Description of drawings

Fig. 1 is a profile schematic diagram of the present invention.

Fig. 2 is the present invention's view of striking sparks.

Fig. 3 is an internal structure schematic diagram of the present invention

Fig. 4 is a critical piece decomposing schematic representation of the present invention.

Number in the figure: 1 head, 2 depression bars, 3 slotted holes, 4 rail grooves, 5 head inclines, 6 Piezoelectric switches slide bars, 7 combustion gas mouths, 8 body lateral walls, 9 open and close button, 10 starting bars, 11 hole clippings, 12 guide rail posting ports, 13 dowels, 14 lever left arms, 15 lever right arms, 16 cotter ways, 17 bearing pins, 18 button springs, 19 button spring bottoms, 20 button springs upper end, 21 head poles, 22 head fixed axis.

Below pass through the specific embodiment, and in conjunction with the accompanying drawings the present invention be further described:

The specific embodiment:

Referring to Fig. 3 and Fig. 4, at the inner chamber of head 1 dowel 13 is set, dowel 13 is a lever construction, and the fulcrum of lever is arranged on the bearing pin 17 on the head 1, and lever right arm 15 stretches to the body lateral wall, and lever left arm 14 stretches in the head;

On the head top cover, along the head glide direction slotted hole 3 is set, opening and closing button 9 is covered on the head top cover, and with the head top cover along being slidingly matched on the head glide direction, the bottom that opens and closes button 9 fixedly installs starting bar 10, starting bar 10 passes slotted hole 3 and is in head 1 inner chamber, with the rod end of starting bar 10 as the drive end that promotes lever left arm 14;

Button spring 18 is set on bearing pin 17, button spring bottom 19 is buckled on the lever right arm 15, the upper end 20 V-shaped elasticity settings of button spring, the end bayonet socket of button spring upper end 20 fixes in the hole clipping 11 of starting bar 10, and button spring 18 has the elasticity pretightning force that lever right arm 15 is supported to body lateral wall 8 between lever right arm 15 and starting bar 10.

In order to make structure more compact, at the middle part of dowel 13, cotter way 16 is set, button spring 18 is inlaid in the cotter way 16.

In order to make operation more easy, the width that opens and closes button 9 should form the head incline 5 that is positioned at keying button 9 sides less than the width of head top cover, and the afterbody of keying button 9 is set to protrude from the afterbody of head top cover.

In concrete the enforcement, when dowel mechanism installs, must be earlier with starting bar 10 along the rail groove 4 of packing into of two the guide rail posting ports 12 that are arranged in slotted hole 3 one ends and middle part on the head top cover, button spring 18 is inlaid in the cotter way 16, and be fixed on bearing pin 17 on the two side of head 1, at last lever right arm 15 is blocked in button spring bottom 19, in 20 hole clippings 11 that snap on the starting bar 10 of button spring upper end, " V " shape in the button spring upper end 20 is provided with and makes bayonet socket have outside deformation tension force, guarantees to open and close button 9 and can in time reset after slipping out of the hand.

Reliable for guaranteeing safety lock, the position of lever left arm 14 is provided with wants suitably under the promotion of starting bar 10, can make lever that certain anti-clockwise rotation is arranged, thereby the height of lift lever right arm 15, releasing locking can prevent starting bar 10 slippage from rail groove 4 again.The afterbody that the afterbody that opens and closes button 9 protrudes from the head top cover slightly is set,, strengthens the disguise of head top cover so that do not expose or few the exposing of trying one's best at the unlatching crown on opportunity lid afterbody.

Operating procedure:

Shown in Figure 1, lighter under the effect of button spring 18, opens and closes button 9 and is in away from combustion gas mouth 7 one sides under nature, and lever right arm 15 is pressed to the below, and when its end was lower than the upper edge of body lateral wall 8, head was promptly by locking, and can't pull and break head 1 into two with one's hands this moment.

When needing opening cigarette lighters, at first pin and open and close button 9 with the thumb front portion, and promote slippage towards the side level at combustion gas mouth 7 places, starting bar 10 thereby promotion lever left arm 14 inverse clocks rotate, therefore lever right arm 15 is elevated, when its end was higher than the upper edge hole of body lateral wall 8, safety lock promptly was opened.Do not loosen thumb this moment to opening and closing pushing of button 9, use a thumb side sideband motivation incline 5 simultaneously, break head 1 off with the fingers and thumb thereby pull, head 1 is driving head pole 21 in the certain angle of head fixed axis 22 rotations, can drive depression bar 2 compression Piezoelectric switches slide bars 6, hit the combustion lighter, be state shown in Figure 2.

Use when finishing, in a single day thumb breaks away from head 1 and opens and closes button 9, and head 1 resets rapidly under the elastic force effect of the built-in spring of Piezoelectric switches, opens and closes button 9 and also resets fast under the effect of button spring 18, is in locking states shown in Figure 1 again.

Though the course of action of opening cigarette lighters is simple, needs to be grasped certain operation skill, and requires the action of thumb to have harmony preferably.Requirement on this operation skill has effectively stoped children's playing lighter.

In the version of the present invention, the real unlatching spoon of safety lock is not to open and close button 9, but the incline 5 on the head top cover, opening and closing button 9 just unlocks, can not directly open lighter, and lighter open the friction that will lean between thumb and the incline 5, pull with the frictional force that forms and break head 1 off with the fingers and thumb and finish, thereby incline 5 exposes fewly more, and the disguise of opening spoon is then strong more.Keying button 9 afterbodys are set to protrude from the afterbody of head 1, and its purpose also is the disguise of opening spoon in order to strengthen.

Claims

1, back striking lighter safety lock is characterized in that:

Inner chamber at head (1) is provided with dowel (13), and described dowel (13) is a lever construction, and the fulcrum of lever is arranged on the bearing pin (17) on the head (1), and lever right arm (15) stretches to body lateral wall (8), and lever left arm (14) stretches in the head;

On described head top cover, along the head glide direction slotted hole (3) is set, opening and closing button (9) is covered on the head top cover, and with the head top cover along being slidingly matched on the head glide direction, the bottom that opens and closes button (9) fixedly installs starting bar (10), described starting bar (10) passes slotted hole (3) and is in the head, with the rod end of starting bar (10) as the drive end that promotes lever left arm (14);

Button spring (18) is set on described bearing pin (17), button spring bottom (19) is buckled on the lever right arm (15), upper end (20) the V-shaped elasticity setting of button spring, the end bayonet socket of button spring upper end (20) fixes in the hole clipping (11) of starting bar (10), and button spring (18) has between lever right arm (15) and starting bar (10) lever right arm (15) to the elasticity pretightning force to body lateral wall (8).

2, back striking lighter safety lock according to claim 1 is characterized in that at the middle part of described dowel (13), and cotter way (16) is set, and button spring (18) is inlaid in the cotter way (16).

3, back striking lighter safety lock according to claim 1, it is characterized in that the width of the width of described keying button (9) less than the head top cover, formation is positioned at the head incline (5) that opens and closes button (9) side, and the afterbody that opens and closes button (9) is set to protrude from the afterbody of head top cover.