JPH0590109U - Venting structure of the core up-down type oil combustor - Google Patents

Abstract

(57) [Abstract] [Purpose] The present invention relates to an improvement of an on-off valve mechanism that eliminates the influence of fluctuations in the internal pressure of an oil tank when the wick is lowered in a wick top and bottom type oil combustor. [Structure] A valve mechanism body 4 which is fitted on the upper surface of an oil tank 3 of a vertical core type oil combustor is formed of a resin molded product, and a valve hole 5 is formed in the valve mechanism body 4 extending above the oil tank 3. On the valve hole 5, a valve mechanism body 4 which is opened and closed by the internal pressure of the oil tank 3 when the wick is vertically moved is provided. The valve mechanism 4 includes an extension cylinder portion 4a extending into the oil tank 3 and a partition wall 4 in the extension cylinder portion 4a with a small space therebetween.
By providing b and forming a double cylinder structure with the extension cylinder portion 4a and the partition wall 4b, it is possible to prevent splashing of oil splashes and contribute to omission of separate parts such as the opening / closing plate cover and the partition plate.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an oil combustor with an upper and lower wick, and an object of the present invention is to prevent combustion from being affected by pressure fluctuations in the oil tank caused by lowering the wick during a fire extinguishing operation.

[0002]

[Prior Art]

 In a conventional core-up / down oil combustor, when the fire is extinguished, the wick moves down into the oil tank to extinguish the fire. There is a problem that air blows out as oil containing petroleum gas and blows out a flame.

For this reason, there are some public announcements of those provided with an opening or an on-off valve for venting gas. Applicant has also adopted the structure of Japanese Utility Model No. 57-47535, and the structure with open / close plate 6, partition plate 7 and open / close plate cover 8 as in Japanese Patent Application No. 60-107282 (see FIG. 6). We are proposing a container, and it is devised that the splash in the oil tank does not go out of the open / close plate due to the impact when the core is lowered.

[0004]

[Problems to be solved by the device]

 In the above-mentioned conventional technology for preventing splashing of splashes, a structure is adopted in which an opening / closing plate is attached to the tip of a pipe, or an oil barrier is attached as a separate component in the oil tank near the opening / closing plate. However, in the case of a pipe extended outward from the oil tank, even if the pipe is very long, a pipe length of 3 to 4 cm cannot completely prevent oil splashing, and the conventional example of Fig. 6 is used. As described above, the partition plate 7 is added to the inside of the opening / closing plate 6, and the opening / closing plate cover 8 is added to the outside.

[0005]

[Means for Solving the Problems]

 This invention intends to solve the above-mentioned problems by integrally molding a resin instead of the method of splashing oil by a pipe or a partition plate. That is, the wick storage cylinder 2 for accommodating the wick 1 is attached to the oil tank 3, and the degassing mechanism A is provided on the upper surface of the oil tank 3. A valve hole 5 is formed by the valve mechanism 4 and extends above the oil tank 3. A valve hole 5 is provided on the valve hole 5, and an opening / closing plate 6 is opened and closed by the internal pressure of the oil tank 3 when the core is vertically moved. The present invention relates to a degassing structure of an up-down core type oil combustor, in which the tubular valve mechanism 4 is provided with an extending tubular portion 4a extending into the oil tank 3.

Further, a valve hole 5 provided in the valve mechanism body 4 extending upward of the oil tank 3 is provided on an inclined surface which is elevated at a portion separated from the core 1, and a bearing 6 a of the opening / closing plate 6 is provided on the inclined surface. It is provided on the high side.

In addition, a partition wall 4b is provided inside the extension cylinder portion 4a extending from the cylindrical valve mechanism body 4 into the oil tank 3 so that a small gap is formed on the side away from the core 1. Is.

Further, a partition wall 4b is provided inside the extension cylinder portion 4a extending into the oil tank 3 with a small gap, and the partition wall 4b is shorter than the extension cylinder portion 4a, and the extension cylinder portion 4a is The partition wall 4b is formed in a small-diameter double cylinder shape.

[0009]

[Action]

 The operation of the present invention will be described. When the wick 1 housed in the wick housing cylinder 2 is lowered by a vibration extinguisher or the like, most of the wick 1 is drawn into the oil tank 3 and the internal pressure of the oil tank 3 is reduced. The pressure rises and the opening / closing plate 6 that closes the valve hole 5 is pushed open, and the increased pressure can be released to the outside.

By the way, when the wick 1 is suddenly lowered into the oil tank 3, the oil surface in the oil tank 3 swells and splashes, but the extension cylinder 4a of the valve mechanism 4 and the oil surface of the oil tank 3 Since the droplets are close to each other, it is difficult for the droplets to enter the extension tubular portion 4a, and even if some droplets enter the extension tubular portion 4a, they hit the inner wall of the extension tubular portion 4a and change the angle. It does not arrive and returns to the inside of the oil tank 3.

Further, since the valve hole 5 is provided on the inclined surface where the portion away from the core 1 is raised and the bearing 6a of the opening / closing plate 6 is provided on the high side of the inclined surface, the opening / closing valve 6 is pushed by the increase of the internal pressure. Even if it is opened, the on-off valve 6 will be in a horizontal state or slightly upward, and if the droplet hits the on-off valve 6, most of it will bounce back toward the valve hole 5 and return to the oil tank 3. is there.

A partition wall 4b is provided inside the extension cylinder portion 4a of the valve mechanism 4 on the side of the portion away from the core 1 so that a part of the droplets can extend to the extension cylinder portion 4a. When the angle is changed by hitting the inner wall of the, the splash hits the outer wall of the partition wall 4b through a small gap and returns to the oil tank 3.

At this time, the partition wall 4b is made shorter than the extension cylinder portion 4a, and the extension cylinder portion 4a and the partition wall 4b are formed in a double-cylinder shape with a small diameter, so that they approach the oil surface of the oil tank 3. Even if droplets enter the extended cylindrical portion 4a, the droplets do not directly jump into the partition wall 4b, and almost no droplets go to the valve hole 5.

[0014]

【Example】

 Next, the structure will be described with reference to the drawings showing an embodiment. Reference numeral 1 is a core of an oil burner of an up-down core type, 2 is a core housing cylinder for housing the core 1, 9 is a core upper and lower knob, and the core housing cylinder 2 is vertically moved. The wick 1 held in motion is moved up and down by the wick upper and lower knobs 9. Reference numeral 3 denotes an oil tank provided in the lower part of the wick housing cylinder 4, and reference numeral 4 denotes a valve mechanism body made of synthetic resin, which is fitted into an opening provided on the upper surface of the oil tank 3.

Reference numeral 4a denotes an extension cylinder portion provided in the lower portion of the valve mechanism body 4, which extends toward the oil surface in the oil tank 3 and forms a small gap with the oil surface when the core is lowered. Reference numeral 10 is a slit formed on the surface of the extension cylinder 4a that does not face the core 1, and the gas in the oil tank 3 that enters the extension cylinder 4a enters not only from the tip of the extension cylinder 4a but also from the slit 10. Even if the gap between the extension cylinder portion 4a and the extension cylinder portion 4a is narrowed, a sufficient amount of exhaust gas is secured. Reference numeral 10a denotes a return prevention pawl provided on the elongated extension cylinder 4a sandwiched between the two slits 10. When the valve body 4 is fitted into the opening of the oil tank 3, the elongated extension cylinder 4a returns. The prevention claw piece 10a is locked to the upper surface plate of the oil tank 3 to prevent the valve mechanism 4 from coming off.

Reference numeral 5 is a valve hole provided in the valve mechanism body 4 extending above the oil tank 3, and 6 is usually provided above the valve hole 5 so as to cover the valve hole 5, and when the core is up and down. Is an opening / closing plate that is opened and closed by the internal pressure of the oil tank 3, and the valve hole 5 is provided on an inclined surface that is raised away from the core 1, and the bearing 6a of the opening / closing plate 6 is provided on the high side of the inclined surface. There is. Reference numeral 5a is a convex portion provided on the periphery of the valve hole 5 for preventing the on-off valve 6 from being in close contact, and reference numeral 11 is a cylindrical guard provided on the upper surface of the valve mechanism body 4. Gas that reaches the upper end on the wall surface away from the bearing 6a A slit 11a is provided.

Reference numeral 4b denotes a partition wall provided inside the extension tube portion 4a with a small gap at least on the side away from the core 1. One side of the partition wall 4b is connected to the inner surface of the extension tube portion 4a. It may be a double cylinder in which a part of it contacts, or an independent double cylinder structure.

At this time, the length of the partition wall 4b provided inside the extension cylinder portion 4a extended into the oil tank 3 is set to be shorter than that of the extension cylinder portion 4a, so that the splashes when the core is directly lowered into the partition wall 4b. I try not to jump in.

[OO19] Reference numeral 12 is a combustion cylinder mounted on the wick housing cylinder 2. The wick 1 held by the wick housing cylinder 2 has its upper end seen through the combustion cylinder 12 and its lower end immersed in the oil in the oil tank 3. ..

[OO20] FIG. 6 shows a gas vent structure of Japanese Utility Model Application No. 60-107282 taken as a conventional example. Reference numeral 7 is a partition plate for preventing oil from splashing on the opening / closing plate 6, and 8 is an oil tank 3. An open / close plate cover is provided on the outside for the purpose of protecting the open / close plate 6.

[0021]

[Effect of the device]

 The present invention has the above-described structure and operation. Since the valve mechanism 4 is made of a resin molded product, each structure can be integrally molded except for the opening / closing plate 6, and the structure is simple, There are few points, and there is an advantage that assembly and processing can be performed easily.

Further, since the valve mechanism 4 is provided with the extension cylinder portion 4a that extends toward the oil surface of the oil tank 3, it is difficult for oil splashes to enter the extension cylinder portion 4a, and the valve that extends above the oil tank 3 extends. It became difficult for oil droplets to reach the valve hole 5 in the structure 4.

Further, since the partition wall 4b is provided inside the extension tubular portion 4a with a small interval, the splashes that have jumped into the valve mechanism body 4 are blocked by the partition wall 4b, and the oil splashes (splashes of the splashes). The influence of (dispersion) can be reduced. Further, if the height of the partition wall 4b is arbitrarily selected, oil can be surely prevented from seeping out.

[Brief description of drawings]

FIG. 1 is a partially cutaway front view of a petroleum combustor having an upper and lower wicks showing an embodiment of the present invention.

FIG. 2 is an enlarged cross-sectional view of an essential part showing an embodiment of the present invention.

FIG. 3 is a sectional view of a component showing another embodiment.

FIG. 4 is a bottom view of a component showing another embodiment.

FIG. 5 is a plan view of a component showing another embodiment.

FIG. 6 is a sectional view of a main part showing a conventional example.

[Explanation of symbols]

 1 core 2 core storage cylinder 3 oil tank 4 valve mechanism 4a extension cylinder 4b partition wall 5 valve hole 6 opening / closing plate 6a bearing A gas venting mechanism

Claims (4)

[Scope of utility model registration request] 1. A wick accommodating cylinder 2 for accommodating a wick 1 and an oil tank 3
Mounted on the upper surface of the oil tank 3, the upper and lower core type petroleum combustor provided with the gas venting mechanism A, the gas venting mechanism A is formed of a resin-molded cylindrical valve mechanism body 4 and extends above the oil tank 3. In the valve mechanism 4, a valve hole 5 and an opening / closing plate 6 which opens and closes on the valve hole 5 by the internal pressure of the oil tank 3 when the core is up and down are provided, and the tubular valve mechanism 4 includes the oil tank 3 A degassing structure for a core up-down type oil combustor, characterized in that an extension cylinder portion 4a is provided inside. 2. The core according to claim 1, wherein the valve hole 5 is provided on an inclined surface where a portion away from the core 1 is raised, and the bearing 6a of the opening / closing plate 6 is provided on a high side of the inclined surface. Upper and lower oil combustor degassing structure. 3. The inside of the extension cylinder portion 4a of the valve mechanism 4 includes:
The degassing structure for a core up-down oil combustor according to claim 1, wherein a partition wall 4b is provided by forming a small gap on a side away from the core 1. 4. A partition wall 4b is provided inside the extension cylinder portion 4a extending into the oil tank 3 with a small gap, and the partition wall 4b is provided.
Is shorter than the extension cylinder 4a, and the extension cylinder 4a and the partition wall 4 are
2. The degassing structure for an up-down core type petroleum combustor according to claim 1, wherein b is formed in a double cylinder shape having a small diameter.