JPS6189418A - Igniting device of liquid fuel burner - Google Patents

Abstract

PURPOSE:To perform the adjustment of the gap between a wick and an igniting heater by extremely simple and easy operation by a method wherein a supporting case is supported in movable manner for adjusting a gap between the igniting heater and the wick. CONSTITUTION:An igniting main body 3 is made of heat resistant and insulating material, and built-in a couple of electrodes 2 having an igniting heater 1 made of platinum on the upper part thereof. The igniting main body 3 is penetrated through a fitting hole 6 formed on a flange 5 of a wick outer cylinder 4, and fixed to a supporting case B, then the supporting case B is supported in movable manner for adjusting a gap D between the igniting heater 1 and a wick C. An engaging piece 7 formed at rear central upper part of the supporting case B correspond to the back side central part of the main body 3 is engaged with the wick outer cylinder 4 in freely swingable manner around the axis of abscissa, an adjusting screw rod 8 is provided to adjust and swing respectively the main body 3 and the supporting case B around the axis of abscissa. Thereby, the adjusting of the gap between the wick and the igniting heater can be performed by extremely simple and easy operation.

Description

DETAILED DESCRIPTION OF THE INVENTION Technical Field The present invention relates to an ignition device for a liquid combustor such as a top-and-bottom kerosene stove.

<Prior Art> Conventional igniters for oil stoves 7 with upper and lower wicks include those that are fixed to the ignition device itself, which has an ignition heater made of platinum Hirament at the top, or to the upper run of the outer wick box. However, in this case, it is difficult to adjust the ignition heater and wick cap to the optimum value, and since the ignition heater of the ignition device is fixed, the wick may become old or become damaged due to tar adhesion. When this happened, the cap between the wick and the ignition heater became too large, making it impossible to ignite.

<Prior Application Technology> Therefore, the applicant has already filed an application for an ignition device that can maintain and guarantee the ignition performance by adjusting the gap between the wick and the ignition heater in an extremely simple and easy manner. 1982-
No. 125593).

In other words, the ignition device body has an ignition heater on the top, or
The core outer cylinder is penetrated through a mounting hole formed in the upper part and fixed to a support case, and the support case is movably supported to adjust the opening cap between the ignition heater and the core.

However, in this 11, when the burning flame blows out from the lower part of the burner due to strong wind, the flame force flows into the lower side of the flame shield plate and damages the electrical wiring.

<Purpose> Therefore, the present invention is capable of adjusting the gap between the wick and the ignition heater with an extremely easy operation, maintaining and guaranteeing the ignition performance. The purpose of the present invention is to provide an ignition device that does not cause damage to electric wiring or the like by flowing into the lower lul+ of a flame shielding plate even if flame erupts.

<Example> Hereinafter, a first example of the present invention will be described based on the drawings. In this, a pair of electrodes 2 having an ignition heater 1 made of platinum Hirament on the upper part and a built-in heat-resistant insulating material (for example, ceramics) are used. A manufactured igniter main body 3 is passed through a mounting hole 6 shaped like #i in the top 7 runs 5 of the wick outer cylinder 4 and is fixed to a support case B, and the support case B is connected to the ignition heater 1 and the wick C. It is movably supported to adjust the cap D between.

An engagement piece 7 formed at the rear center upper part of the support case B, which corresponds to the rear (closer to the core) center of the main body 3, engages with the core outer cylinder 4 so as to be able to swing around the horizontal axis. 1):1
One record book 3I is provided with an adjustment mechanism that allows the case to be adjusted and moved around one Buddha.

Dog: The 11v construction of the main body of Ni-α Jinso 'II is shown in the 2nd and 3rd sections.
- To explain Fig. 1, the ignition device includes a main body 3 made of a heat-resistant ceramic material, a platinum filament heater 1 disposed in the upper concave part of the main body 1;
A pair of electrodes 2 whose upper ends are connected to the ignition heater 1 and penetrated through the electrical holes 3c of the main body 3, an elastic connecting piece a bent at the lower end of the electrodes 2 to prevent them from coming off after the penetration, and the support It is composed of a support device A including a case B and a countermeasure means. The main body 3 of this ignition device is located at the top 7 of the core outer cylinder 4.
It is inserted from above into the fan-shaped mounting hole 6 of the lunge 5 in plan view.

・If you explain the support device A to a dog using Figures 5 and 6.7, it consists of a socket base 9 on the side wall of the core outer cylinder 4 (r) fixed to the central part by rivets or welding, and the base. The upper end face 1()a is attached to the clip-type nut (lt) 9a fitted to the upper plate portion of 9 through an inclined cone-shaped compression spring 10, and is adjustable with the adjusting rod 6 described in iii. The supporting case B, the mica insulating material 12a inserted into the bottom of the case B, the pair of socket tabs 13 whose rear parts were inserted into the case B, and the tabs 13 into the case B.
A ceramic socket insulator 12b that fixes the
an engaging piece 7 formed on the rear wall B1 of the case B and engaged with the mounting hole 6 so as to be swingable about the horizontal axis;
．． As shown in Fig. 4.5, the lower part of the main body 3 is press-fitted between the rear wall B1 of the case B and the rear end 13a of the tab 13 by elastic deformation of the connecting piece 2a of the electrode 2, and is thereby fixed. 13 is electrically connected.

Note that a lead wire with a 7-aston attachment is connected to the front H3b of the tab 13, thereby connecting the ignition heater 1 to an ignition switch and a dry battery.

Also, the engagement piece 7 of the case B has a mounting hole 6 as shown in FIG.
A larger retaining portion 7a is formed in the middle of the left and right sides of the case B, but when assembling it, the mounting hole 6 may be removed by slightly tilting the case B.
inserted into. Furthermore, as shown in Figure 7, the number 12
b side step f-1 part + 2elj case B f1111 wall nail ``32'' is inserted into the throat of the paddle 12I): The paddle] 2b is prevented from coming out by forming two bends. 12c, 1
2d and B3 are holes for adjusting the socket pin 12b, the insulating material 12a, and the case B, respectively.

In addition, in the figure, 14 is a core inner section that guides the inside of the core C, 15
16 is a burner cylinder which is placed on the upper flange 7'5 of the outer wick cylinder 4 and the inner flame cylinder 16a placed on the outer periphery of the wick head 15. The outer flame tube 16b to be placed
and its cover (not shown).

Furthermore, in the present invention, when combustion flames are ejected from the lower part of the burner cylinder 16 due to strong winds, a wind blowing flame shielding means is provided to prevent the flames from flowing into the lower side of the flame shielding plate P and damaging the electrical wiring. This is the outer peripheral part B4 of the support case B and the flame shield plate P.
Flame shielding covers 17a, 17 that cover the gap Q with the opening edge P1 of
b is provided in support case B, and (l is formed).

And, the left and right flame shielding force 8-1+ is formed by folding part Iib on the 8th wall of support case B, and the flame shielding power X'-171+ on the front side is formed. is formed by bending the upper extension of the front wall of the support case B,
This flame-blocking cover] 7g protrudes to the front and left and right sides.

Note that the flame-blocking cover does not necessarily have to be provided on the support case B side, and for example, the flame-blocking cover 17c may be mounted on the flame-blocking plate P by hissing, as shown by the imaginary line in FIG.

Next, the method of adjusting the ignition heater 1 will be explained with reference to FIG. The lower surface of the socket paddle 8a is pressed against the compression spring 10 on the upper surface of the socket paddle 12b. Then case B
The main body 3 of the ignition device integrally swings away from the core C around the horizontal axis formed by the contact point between the engagement piece 7 and the peripheral edge of the mounting hole 6 of the core outer cylinder 4, and the gap D widens. . Conversely, when the gap D is to be reduced, the adjustment screw rod 8 can be turned in the loosening direction. Then, the case B and the main body 3 of the ignition device are pushed together by the pressure wire spring 10, and the wick c l
To 1ll+ (move) and cap D will shrink.

Note that the adjustment screw 6 will not turn to the opposite side during use due to the action of the compression spring i11.7 Also, by the above adjustment, the gap between the outer periphery B4 of the support case B and the flame shield plate P can be adjusted. In case Q spreads, flame shield cover 1
This gap Q is covered by 7a17b, so even if flames erupt during strong winds, it is unlikely that AL people will be ejected from VAQ for a while.

It should be noted that the present invention is not limited to the configuration of the above-described embodiment, and it goes without saying that many modifications and changes can be made to the above-described embodiment within the scope of the present invention.

<Effects> As is clear from the above description, the present invention has an igniter main body having an ignition heater on the upper part, or an ignition device that is fixed to a supporting case by passing through a mounting hole formed in the upper part of an outer core cylinder and removing the ignition device body, which has an ignition heater in the upper part. The support case is movably supported to adjust the gap between the ignition heater and the wick, and a flame-blocking cover that covers the gap between the outer periphery of the support case and the opening edge of the flame-blocking plate is connected to the support case or the 14 flames. The present invention relates to an ignition device for a liquid fuel combustor, characterized in that it is provided on a plate.

Therefore, according to the present invention, it is possible to maintain and guarantee the ignition performance by adjusting the cap between the wick and the ignition heater, and even if the combustion flame blows out from the lower part of the 1<-ner tube due to strong winds, the flame It has an excellent effect in that it does not flow into the underside of the flame shield plate and damage electrical wiring, etc.

[Brief explanation of the drawing]

Fig. 1 is an overall longitudinal sectional view showing a first embodiment of the ignition device of the present invention, Fig. 2 is a plan view of the main body of the ignition device, Fig. 3M is a longitudinal sectional front view thereof, and Fig. 1 is a longitudinal sectional side view thereof. , FIG. 5 is a cross-sectional plan view of the support device portion of the ignition device, FIG. 6 is a longitudinal sectional front view thereof, and FIG. 7 is a central longitudinal sectional view thereof. A: Support device, B: Support case, C: Core, D: Cap, P: Flame shielding plate, Pl: Opening edge, Q: Gap, 1: Ignition heater, 2: Electrode, 3: Ignition device body,・■ : Core outer cylinder, 5:
Upper 7 runs, 6: Mounting hole, 7: Engagement piece, 8: Adjustment screw rod, 9: Socket base, 9a: Nut, 10: Pressure spring, 12b: Socket paddle, 13: Socket tab,]
7a, I 7Ll: Flameproof cover. 1 person from Yabu Co., Ltd. Tsunehisa Nakamura

Claims (1)

[Claims] An ignition device main body having an ignition heater on the upper part is passed through a mounting hole formed in the upper part of the wick outer cylinder and is fixed to a support case, and the support case is provided with an ignition heater for adjusting the gap between the ignition heater and the wick. A liquid fuel combustor characterized in that the support case or the flame shield plate is provided with a flame shield cover that is movably supported and covers a gap between the outer periphery of the support case and the opening edge of the flame shield plate. Ignition device.