JPH0344975Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to a wick up/down device for an oil combustor.

Prior Art As shown in FIG. 4, a conventional core lifting device has a bearing sleeve 3 brazed and welded to a shaft through hole 2 of a tank 1 as shown at A, and bearing bodies 4 and 5 are placed inside this bearing sleeve 3. After inserting the lamp wick vertical shaft 6 through the shaft, a nut 7 is covered with the bearing tube 3, and then a spring 8 for lowering the lamp wick and a gear 9 are attached.
etc., were inserted into the lamp wick up and down shaft 6.

Problems to be Solved by the Invention However, in the above-mentioned conventional wick up/down device, the bearings 4, 5, spring 8, gear 9, wick up/down shaft 6, etc. are disjointed, which complicates parts management during production. Even during assembly, there was a problem in that it required a large number of man-hours because each part had to be assembled one by one. Moreover, since the bearing tube 3 that supports the lamp shaft 6 is brazed and welded to the tank 1, there are various problems such as the need to paint the tank 1 to prevent corrosion.

The present invention solves the above-mentioned problems of the prior art, improves productivity, and eliminates the need for painting the mounting parts.

Means for Solving the Problems The present invention includes a lamp vertical shaft having a ratchet at the tip thereof, and a first bearing body that rotatably supports the lamp vertical shaft and penetrates the shaft through hole of the tank. A cylindrical bearing fitting and a second
A gear is rotatably fitted through a bearing body, and the gear is fitted between the gear and the mounting board, and one end is connected to the gear and the other end is connected to the mounting board so that it is covered by the rotation of the vertical axis of the lamp wick. The bearing fitting and the mounting board are provided with an engaging piece and a locking hole that engage with each other by movement in the rotational direction, and a pin is provided on the upper and lower core shafts to prevent the gear from coming off. There is a device that can be fitted into a unit that integrates gears, springs, mounting boards, bearings, and the upper and lower shafts of the lamp wick.

Function According to the means of the present invention, by rotating the bearing fitting and the mounting board, the engaging piece and the locking hole between the two engage with each other, so that the two are integrated and the pin is removed from the gear. It is possible to integrate the bearing fittings, mounting board, gears, springs, and upper and lower shafts of the lamp wick by fixing them.

Embodiment In the figure, reference numeral 11 denotes a tank having a lamp wick 12 that is vertically movable, and the lamp wick 12 is inserted into the shaft penetration hole 13.
A lamp wick up/down device 14 is attached to move the lamp up and down. The wick up/down device 14 will be described in detail below. Reference numeral 15 is a wick up/down shaft, and a pinion 17 at the tip thereof meshes with a rack 16 integral with the wick 12.
is provided. Reference numeral 18 denotes a first bearing body made of resin that is fitted onto the lamp vertical shaft 15 so as to come into contact with the pinion 17. A circumferential groove 19 is formed between the bearing portion 18a and the roller portion 18b. It is press-fitted into one piece. 20 is the first bearing body 18
As shown in FIGS. 1 and 2, a cylindrical bearing fitting is fitted onto the lamp vertical shaft 15 through a cylindrical bearing fitting, and a first bearing body 1 is attached to a part of the edge of the through hole 21 through which the lamp vertical shaft 15 passes.
A projecting piece 22 that projects into the circumferential groove 19 of 8 is provided. Reference numeral 23 denotes a notch groove in the axial direction provided at a proper location on the roller portion 18b of the first bearing body 18 in correspondence with the protruding piece 22. At a certain point where the notched groove 23 and the protruding piece 22 match, the lamp vertical shaft 15 is moved. It is adapted to come off from the bearing fitting 20. Reference numeral 24 denotes a flange provided at the cylindrical opening end of the bearing fitting 20, and stepped engagement pieces 25 are provided at three locations on the outer peripheral edge of the flange. 26 is a gasket inserted into the lamp shaft 15 in the cylinder of the bearing fitting 20, and 27 is a second bearing body 2 made of resin.
8, the tank 1 is inserted into the lamp wick vertical shaft 15 through the through holes 29 provided on both sides.
It is designed to be fixed with a screw at 1. As shown in FIG. 2, this mounting board 27 is provided with locking holes 30 at three locations corresponding to the engagement pieces 25 of the bearing fitting 20. The engaging piece 25 is fitted into the locking hole 30 and becomes integral with the bearing fitting 20. Reference numeral 31 denotes a resin gear that is fitted onto the lamp vertical shaft 15 via a coiled spring 32, and is supported by a pin 33 screwed or driven into the lamp vertical shaft 15 to prevent it from coming off. 34 is a knob fitted to the end of the lamp wick vertical shaft 15.

In the above configuration, the lamp wick up/down device has the bearing fitting 20 and the lamp wick up/down shaft 15 integrated into a unit, and the mounting board 27 and the second bearing body 2.
8, a gear 31 and a spring 32 are also integrated with the lamp wick vertical shaft 15 by a pin 33. Both of the above-mentioned bearing fittings 2 are inserted into the locking holes 30 provided in the mounting board 27.
By fitting the engaging pieces 25 provided at 0, it can be integrated into a unit. In other words, the wick up/down device 14 can be made into a unit by integrating each component. The wick up/down device 14 that has become this unit can be assembled by fitting the bearing fitting 20 into the shaft through hole 13 of the tank 11 via the packing 35, and then screwing the mounting board 27 to the tank 11.
Installation to 1 is completed.

Effects of the invention As described above, according to the invention, all the parts constituting the wick up/down device, that is, the parts on the bearing fitting side and the parts on the mounting board side, can be integrated into a unit, so that Parts management becomes easier and assembly can be performed extremely easily and quickly. In addition, there is no need to weld bearing fittings to the tank, so there is no need to paint for corrosion prevention, which has great effects.

[Brief explanation of the drawing]

Fig. 1 is a cross-sectional view showing a wick up/down device for an oil combustor in an embodiment of the present invention, Fig. 2 is a front view as seen from the direction of arrow Y in Fig. 1, and Fig. 3 is a wick assembly installed in an oil combustor. FIG. 4 is a sectional view showing a conventional example. 11...Tank, 13...Shaft penetration hole, 15...
...Light wick vertical shaft, 18...First bearing body, 20...
Bearing fitting, 25... Engagement piece, 27... Mounting board,
28... Second bearing body, 30... Locking hole, 31...
...gear, 33...pin.

Claims (1)

[Scope of utility model registration request] A lamp vertical shaft having a ratchet at its tip, a cylindrical bearing fitting that rotatably supports the lamp vertical shaft through a first bearing body and is installed through the shaft penetration hole of the tank, and the lamp vertical shaft. a mounting board that is rotatably inserted into the lamp via a second bearing body and screwed to the tank; a gear that is rotatably inserted into the upper and lower shafts of the lamp; and a gear that is fitted between the gear and the mounting board. The bearing fitting and the mounting board are engaged with each other by movement in the rotational direction. In addition to providing a matching engagement piece and a locking hole, a pin is inserted into the top and bottom shafts of the lamp wick to prevent the gears from coming off. Combustor wick up/down device.