JPH0216090Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to a wick-type liquid fuel combustor, and can be used in kerosene stoves, alcohol combustors, etc.

Conventional structure and its problems Combustors that move the wick up and down are widely used in kerosene stoves, etc., but this up and down movement requires rotating a pinion that engages a rack attached to the wick. Generally, this is done by doing something. When the wick is cylindrical, it is guided by a cylinder inscribed in the wick (called the wick inner tube or wick guide tube) and can easily move up and down vertically, but in the case of a flat wick, the wick can easily move up and down vertically. When an attempt is made to move the rack and its attached lamp wick up and down by rotating the pinion, a slight rotational force is added to the vertical upward movement, resulting in uniform vertical movement in the horizontal direction. It was difficult. In other words, if there is an imbalance in load or resistance with respect to the meshing point of the rack and pinion, there is a disadvantage that the upper surface of the lamp wick will be inclined when ascending or descending, and if this inclination occurs, the vaporization of the fuel will also be uneven, resulting in soot. This had the secondary adverse effect of emitting carbon monoxide and odor. Furthermore, even if the load and resistance are balanced at the beginning, the sliding parts may wear out during use, the resistance may change due to dirt or rust, the wick itself may burn out, or tar-like substances may adhere or accumulate. Therefore, the balance was easily lost, leading to the above-mentioned defects.

In addition, in order to suppress this deviation, if the end dimensions are made strict and the space between the lamp wick or its support and the surrounding wall is designed to have no margin, the sliding resistance during vertical movement will be significantly large, and the operation It had the disadvantage of impairing one's sexuality.

Purpose of the invention The purpose of the liquid fuel combustor of the invention is to allow a flat lamp wick to move vertically with good operability and reliably, and to eliminate horizontal inclination of the wick.

Structure of the Device To achieve the above-mentioned purpose, the present invention comprises a guide rod installed perpendicularly to a support or rack of the lamp wick, and a guide portion for holding the guide rod, and at least the lower part of the guide portion is immersed in fuel. It is configured to be immersed.

DESCRIPTION OF EMBODIMENTS An embodiment of the liquid fuel combustor of the present invention will be described based on the accompanying drawings.

In the figure, 1 is a lamp wick, and a metal support plate 2 is attached to the side of the lamp wick.
is installed. A pinion 4 is engaged with the rack 3, and by turning a wick up/down knob 5, the pinion 4 is rotated via a rotating shaft 6, and the lamp wick 1 is moved up and down together with the engaged rack 3.
In addition, 7 is a fire pan, and a combustion tube (not shown) is installed here.
is placed. 8 is a tank, and 9 is a fuel filler port.

Here, the rack 3 is provided approximately in the horizontal center of the lamp wick 1, and the rack 3 is also provided with an induction rod 10 mounted vertically, while the inner bottom of the tank 8 corresponds to the induction rod 10. A hollow guide 11 is provided which is immersed in fuel. Further, an opening 12 is provided near the lower end of this guide 11, and serves as a flow port through which fuel in the tank 8 is sucked into and discharged from the guide 11 as the guide rod 10 moves up and down. 13 is a spring that urges the lamp wick 1 downward.

The operation of the above configuration will be explained in detail. Turn the lead up and down knob 5 (in this example, turn it clockwise)
When the pinion 4 is rotated, the rack 3 that meshes with the pinion moves upward, and the support plate 2 and the lamp wick 1, which are connected to the rack 3, rise and move the lamp wick 1 from the fire pan 7.
The tip of is protruded. At this time, the guide rod 10 is held by the guide 12 and slides upward vertically, so that the lamp wick 1 does not move upward or downward, so the upper surface of the lamp wick 1 does not tilt and remains horizontal. It can be raised while hanging down. On the other hand, when descending,
When the locking mechanism (not shown) provided on the wick upper and lower knobs 5 is removed, the wick 1, the support plate 2, the rack 3, and the guide rod 10 are pushed downward by the biased spring 13. Induction rod 10
The lamp wick descends while remaining perpendicular to the guide 11, and there is no inclination of the lamp wick 1, and the frictional resistance between the peripheral wall and the support plate 2, etc. is small, allowing for easy and reliable operation. In this way, the lamp wick 1 can maintain good combustion without uneven fuel vaporization during combustion, and can also be maintained without any damage during vertical movement. In particular, since the guide 11 is immersed in the fuel, it is lubricated by the fuel and can operate smoothly even if the gap with the guide rod 10 is small, which is effective in keeping the lamp wick 1 horizontal. It also has a configuration with excellent operability.

The guiding rod 10 works together with the guide 11 to bring about the above-mentioned effect, and although its position is not necessarily limited, by providing it approximately in the horizontal center of the lamp wick 1, it is possible to reduce the inclination in the left and right direction. It requires less correction load, is highly reliable, and has a long lifespan.

Further, the guide rod 10 and the guide 11 mainly have a large effect on the inclination of the lamp wick 1 in the left-right direction, but as shown in the figure, the guide rod 10 is shaped like a rod and the guide 11 is shaped like a tube to match the rod shape. This makes the structure simpler and more reliable.Furthermore, by providing the opening 12 at the bottom of the guide 11, the fuel in the tank 8 is drawn in and discharged as the guide rod 10 moves up and down, and the fuel itself is removed. This guide rod 1
As a result, it can be used as a zero lubricant, making smoother operation possible. In addition, if the diameter of the opening 12 is appropriately selected, when the wick 1 is lowered by the force of the spring 13, there will be some time delay in discharging the fuel drawn into the guide 11. This is effective and can prevent impact noise and vibration.

In this embodiment, the rack 3 and the guide rod 10 are separate bodies, but the guide rod 10 may have an integral structure with rack teeth on the upper part without detracting from the spirit of the present invention. Of course, the guide rod 10 and guide 1
1 is not limited to a circular cross section, but any shape can be used to satisfy the above effects.

Effects of the Invention As described above, the liquid fuel combustor of the present invention has a flat-plate shape by providing a vertical guide rod provided in the lamp wick and a guide portion that holds the guide rod so as to be immersed in the fuel. This has the effect of easily and reliably performing the vertical movement operation while keeping the wick horizontal.

[Brief explanation of the drawing]

FIG. 1 is a sectional view of a main part of a liquid fuel combustor according to an embodiment of the present invention, and FIG. 2 is a perspective view of the main part. 1...Light wick, 2...Support plate, 3...Rack, 4
...Pinion, 10...Induction rod, 11...Guide, 12...Opening.

Claims (1)

[Claims for Utility Model Registration] (1) A flat lamp wick, a support plate attached to the side surface of the lamp wick, and a rack attached to the support plate,
a pinion that engages with the rack to move the lamp wick up and down; a guide rod that is vertically engaged with the support plate or the rack; and a guide section that vertically holds the guide rod in vertical motion; A liquid fuel combustor in which this guide part is immersed in fuel. (2) The liquid fuel combustor according to claim 1 of the utility model registration claim, in which the guide rod is provided approximately in the horizontal center of the lamp wick. (3) The liquid fuel combustor according to claim 1 or 2, wherein the guide portion is tubular to house the guide rod, and an opening is provided near the lower end of the guide portion.