CN2426086Y - Ignition gun with self-controlled safety device - Google Patents

Abstract

The utility model belongs to a lighter with gaseous fuels. Only the actions of a lighting button can be limited by the safety device of an existing lighting gun, and a gas passage can not be closed. If a safety switch is forgotten to be switched to an off-position, the problem of button misoperation can be caused. The utility model is characterized in that a self control safety device is composed of a button, a safety switch, a return spring and a gas box cover; a long spacing rib of the button can be freely rotated under the action of the return spring and is correspondingly contacted with the gas box cover; the lower end of the safety switch contacts with the convex points on the long spacing rib of the button and the rear part of the safety switch is matched with an air-out needle. The safety switch and the button of the utility model are linked to be operated synchronously. Thus normal lighting can be achieved and the use safety can be enhanced.

Description

The burning torch of band automatic control safeties

This burning torch belongs to utility model gaseous fuel igniter, relates in particular to a kind of improvement technical scheme of the gaseous fuel burning torch with the automatic control safeties.

" burning torch " is the electronic ignition utensil of inflammable gases such as a kind of butagas, natural gas, is used in the various occasions that need igniting in gas-cooker, picnic and the daily life.It is of many uses, and is easy to use, and the user is numerous.Since himself function and imflammable gas is housed, improper use meeting breaking out of fire accident, so it should consider the lighting rate height, the security in also will considering to use.In order to solve the problem of safety in utilization, the electronic ignition rifle on the domestic and international market is all installed a discharge cock on the burning torch housing at present.This switch can be housing " opening " (ON) or close (OFF) two evolutions, and when discharge cock is in " opening " (ON) during the position, button can move, and makes the piezo-electric device that the contains piezoelectric blocks ignited flammable gas that emits sparks produce flare; When discharge cock is in " pass " (OFF) when position, button is restricted, and burning torch is emitted sparks, and avoids the randomness of ignition operation.The discharge cock of this structure only in " pass " (OFF) when position, could play safety effect.Each igniting finishes, if forget discharge cock is allocated to " passs " (OFF) position, then Ci Shi discharge cock performs practically no function, and can cause the problem of maloperation button, is difficult to especially prevent for the play peril of burning torch of child child.Therefore, such burning torch security is relatively poor, and area that has and country are or will expressly forbid making.In addition, the burning torch safeties of this structure only can limit the action of button ignition switch, can not close gas passage, the control function singleness of safeties.

Exploitation the utility model burning torch purpose is to overcome the defective of prior art, and a kind of both effective restriction point firelock button actions are provided, and can close the burning torch of the band automatic control safeties of gas passage again.

The technical solution of the utility model is, on the basis of existing ordinary electronic burning torch, set up the automatic control safeties, it comprises housing, is connected the gun barrel on the housing and is assemblied in the interior oil storage tank of housing, piezo-electric device and automatic control insurance safeties, described automatic control safeties are made of button, discharge cock and vapour case lid, button is positioned at the gun barrel lower end, can in housing, slide with the duty of control piezo-electric device, promptly push button and can make the piezo-electric device that contains piezoelectric blocks produce electric spark; The spacing muscle of length of button one end can freely swing and the bottom of long spacing muscle and " h " shape groove conflict of vapour case lid under the effect of returning spring simultaneously.When it does not have external force influence only to be in the normal state under the restoring force effect at returning spring, the vapour case lid button of conflicting, the action of limit button, promptly button can't slide in slideway, and piezo-electric device is not worked; When the spacing muscle of the length of button overcame returning spring power and rotates under the discharge cock effect, the vapour case lid of no longer conflicting, button were slidably and make piezo-electric device work produce spark.Establish a return spring of conflicting in the housing concave station in the middle of the discharge cock that slides on the housing, the discharge cock lower end contacts with the salient point of the long spacing muscle of button, and the rear portion cooperates with air-out needle.When there not being external force to do the time spent, discharge cock is in the normal state under the return spring effect, and the salient point that this moment, it neither oppressed the spacing muscle of length of button moves down its deflection, makes air-out needle close gas passage again; When finger overcomes the restoring force of return spring, promote the spacing muscle of length that discharge cock makes its push button.Make button separate the deaeration case lid and conflict and can move, by suppressing electricity, it spurs air-out needle simultaneously, and gas passage is opened, thereby finishes igniting.When finger thrust disappears, return spring resets discharge cock, and the automatic control safeties that return to normality make button and gas passage simultaneously locked, thereby realize goal of the invention.

Both sides, described button lower end have can be in the chute of housing the guiding rib of smooth sliding, then there is a long spacing muscle its upper end, conflict with the vapour case lid in its bottom.On the long spacing muscle circular arc salient point is arranged, there is swallow tail shaped slot its underpart in order to block returning spring.

Described discharge cock is positioned at the housing upper end, the one side is provided with two link stoppers, these two link stoppers can move in the concave station of housing fixed reset spring and return spring is positioned in the middle of it, a breach is established at the rear portion of discharge cock, this breach cooperates with the air-out needle clamping, makes air-out needle with the discharge cock synchronization action.The discharge cock bottom is " trapezoidal ".Can guarantee the action of the long spacing muscle of effective control button and not influence it to reset.

In the middle of the described vapour case lid " h " shape groove is arranged, make the effectively conflict of the spacing muscle of its length bottom with button.

Automatic control safeties of the present utility model require to open discharge cock and push button " interlock " simultaneously operating, and the ability normal ignition has improved the security of using greatly.Since it not only can limit button action, can also control the unlatching and the closure of gas passage, even button is forced to press, because gas passage still is closed, burning torch still can't be lighted, so its functional reliability is greatly improved, the potential safety hazard in the time of effectively avoiding maloperation or child to play.

The utility model is described in further detail below in conjunction with accompanying drawing.

Fig. 1 is the utility model overall structure schematic diagram.

Fig. 2 is an automatic control safeties closed condition schematic diagram.

Fig. 3 is an automatic control safeties opening schematic diagram.

Discharge cock position view when Fig. 4 is the return spring normality.

Discharge cock position view when Fig. 5 compresses for return spring.

Fig. 6 is a gas passage closed condition schematic diagram.

Fig. 7 is a gas passage open mode schematic diagram.

As shown in Figure 1, the utility model burning torch comprises the element of conventional burning torch, and they are housings 8, be connected the gun barrel 1 on the housing and be assemblied in oil storage tank 7, piezo-electric device and automatic control safeties in the housing 8.When button 2 actions, piezo-electric device produces electric spark, and fuel gas is gone out along gun barrel 1 by oil storage tank 7, meets spark at the mouth of pipe and then lights, and its course of work and operating procedure are similar.Existing emphasis is described the structure and the course of work of automatic control safeties.The automatic control safeties are made of button 2, discharge cock 3 and vapour case lid 6, and button is positioned at gun barrel 1 bottom, and there is guiding rib its both sides, lower end, and the chute in this guiding rib and the housing 8 cooperates, make button can be in chute smooth sliding.There is a long spacing muscle upper end of button, conflicts with the vapour case lid in spacing muscle bottom, and the circular arc salient point is arranged at spacing muscle top, contacts with discharge cock 3.Swallow tail shaped slot is arranged at spacing muscle bottom, in order to block the two ends of returning spring.Returning spring is fixed in the middle of the button, replys to guarantee the long spacing muscle of button.Discharge cock is positioned at the housing upper end, and hull outside is divided into the finger control piece, and enclosure interior divides a side to be provided with two link stoppers, and these two link stoppers can move in the concave station of housing fixed reset spring and return spring is positioned in the middle of it; The rear portion is provided with a breach, and this breach cooperates with air-out needle 9 clampings, guarantees that the two is synchronized with the movement; The lower end is " trapezoidal ", and " trapezoidal " highlight contacts with salient point on the spacing muscle of button.

The course of work is: safeties closed condition as shown in Figure 2, the spacing muscle of button are under the returning spring effect, and " h " groove of vapour case lid is withstood in the bottom of spacing muscle.Limited button 2 actions, discharge cock 3 is in " pass " state (shown in Figure 4) under return spring 4 effects, and this moment, the T-shaped plug 11 of oil storage tank 7 front ends did not move confining gas passage (as shown in Figure 6).

In safeties opening process shown in Figure 3, when finger (normally thumb) promotes discharge cock 2, return spring 4 is compressed, discharge cock is in " opening " state (as shown in Figure 5), external force of salient point on the spacing muscle of button is given in its lower end, and the restoring force that external force overcomes returning spring 5 makes spacing myospasm moving, and spacing muscle bottom breaks away from " h " groove of vapour case lid, even button is no longer conflicted with the vapour case lid, can slide along chute.When discharge cock is opened.Air-out needle 9 is pulled, and T-shaped plug 11 leaves gas passage outlet (as shown in Figure 7) under the draught head effect, and gas is excessive by air-out needle 9.At this moment, when another finger (being generally forefinger) when pushing button, can the normal ignition burning torch.

After igniting finished, discharge cock automatically reset under return spring 4 effects, and one side resets the spacing muscle of button and conflicts with vapour case lid 6 under returning spring 5 effects, and air-out needle is also resetted under 10 effects of air-out needle return spring, closed gas passage.This shows that the utility model is skillfully constructed, could light a fire when having only discharge cock and button " interlock ", embody good technical effect.

Claims (5)

1, the burning torch of band automatic control safeties, comprise housing (8), be connected the gun barrel (1) on the housing and be assemblied in housing interior oil storage tank (7), piezo-electric device and automatic control safeties, it is characterized in that described automatic control safeties are made of button (2), discharge cock (3) and vapour case lid (6), button (2) is positioned at gun barrel (1) lower end, can slide in housing (8) with the duty of control piezo-electric device; The spacing muscle of length of button (2) can freely rotate by returning spring (5), and the position different with the corresponding contact of vapour case lid (6); Can establish a return spring (4) of conflicting in the housing concave station in the middle of the discharge cock that slides on the housing (3), the lower end contacts with salient point on the long spacing muscle of button (2), and the rear portion cooperates with air-out needle (9).

2, the burning torch of band automatic control safeties as claimed in claim 1, it is characterized in that button (2) both sides, lower end have can be in the chute of housing the guiding rib of smooth sliding; Then there is a long spacing muscle its upper end, and bottom and vapour case lid (6) are conflicted; And the salient point that circular arc is arranged on the long spacing muscle has the draw-in groove of swallow-tail form below salient point, and returning spring (5) is stuck in the middle of the button.

3, the burning torch of band automatic control safeties as claimed in claim 1, it is characterized in that discharge cock (3) is positioned at the housing upper end, the one side is provided with two link stoppers, and these two link stoppers can move in the concave station of housing fixed reset spring (4) and return spring (4) is positioned in the middle of it; A breach is established at the rear portion of discharge cock (3), and this breach cooperates with air-out needle (9) clamping; Its lower end is trapezoidal, goes up long spacing muscle salient point with button (2) and contacts.

4, the burning torch of band automatic control safeties as claimed in claim 1 is characterized in that being h shape in the middle of the vapour case lid (6), and the spacing muscle of length of itself and button (2) is conflicted mutually.

5, the burning torch of band automatic control safeties as claimed in claim 1, its lower end was trapezoidal when discharge cock promoted contacts with the long spacing muscle salient point of button, and makes its deflection make button produce the igniting action smoothly by suppressing electricity.

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