JPH0351965B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to an oil combustor that is used by moving the wick up and down.

BACKGROUND ART A conventional oil burner, such as an oil stove, is constructed as shown in FIGS. 7 and 8. In other words, in FIGS. 7 and 8, 1 is a tank, 2 is a burner part installed in the tank 1, and 3 is a wick attached to the burner part 2 via a wick holder 4, which is vertically moved between it and the wick guide tube 2a. Move up and down freely. Reference numeral 5 denotes a wick vertical shaft, which has a pinion 5a at its tip, and this pinion 5a is engaged with a rack 6 provided on the wick holder 4 to move the wick 3 up and down.
Reference numeral 7 denotes a bearing for supporting the lamp vertical shaft, which is fixed to the tank 1, and the lamp vertical shaft 5 is connected to the bearing 7 via the bearing body 8.
is supported by Reference numeral 9 denotes a shaft retaining pin inserted into the bearing body 8, and 10 denotes a bearing fitting supporting the shaft packing 11 and the like, which are fixed to the tank 1. 1
Reference numeral 2 denotes a rotating body made of polyacetal resin, etc., which is rotatably fitted into the lamp vertical shaft 5, and 13 is a fire extinguishing spring for lowering the lamp which is fitted around the rotating body 12, and is pre-wound in advance. is bearing fitting 10
The other end is hooked to the rotating body 12. 14 is a pin embedded in the lamp wick vertical shaft 5, and 15 is a known vibration sensing device.

In the above configuration, when the knob 16 is rotated in the wick upward direction, the rotating body 12 is rotated via the wick vertical shaft 5 and the pin 14, and the extinguishing spring 13 is thereby stored more force. On the other hand, the pinion 5a makes the easy 6
is driven to raise the wick holder 4 and the lamp wick 3, which are integrated with the wick holder 4. In addition, when the lamp wick 3 is to be lowered, by pressing the extinguishing button 17, the vibration extinguisher is activated and the lamp wick 3 is lowered.

On the other hand, when replacing the lamp wick 3 due to tar attached to the lamp wick 3, first remove the burner part 2 while the lamp wick 3 is in the lowered state, and then remove the shaft retaining pin 9.
, and pull the knob 16 in the direction of arrow F. As a result, the pinion 5a and the rack 6 are disengaged. Then, the lamp wick 3 is pulled up in the direction of arrow S, and a new lamp wick is set in the wick holder 4 and inserted again along the wick guide tube 2a. After that, burner part 2 again
Attach the wick and complete the wick replacement.

Problems to be Explained by the Invention However, with the above-mentioned conventional lamps, the following problems occurred when replacing the lamp wick. In other words, hold the knob 16 and pull the wick vertical shaft 5 in the direction of arrow F. When the pinion 5a and the rack 6 are disengaged,
The pre-winding of the extinguishing spring 13 cannot be maintained in the pre-winding state, and as a result, the lamp wick vertical shaft 5 rotates.
In other words, the pre-winding of the digestion spring 13 is released. Therefore, after setting a new wick, turn the knob 16 again in the wick upward direction to pre-wind the extinguishing spring 13, and then turn the knob 16 again.
by pressing in the direction of arrow N to release pinion 5a and rack 6.
This required an extremely troublesome operation. Also, although the pre-winding of the extinguishing spring when replacing the wick is explained in the product instruction manual, etc., the pinion 5a
When the lamp is disengaged from the rack 6, the lamp wick vertical shaft 5 is in a state where it can rotate freely, so the user may pre-wind the extinguishing spring 13 more than necessary, causing the extinguishing spring 13 to There was a problem with it being damaged. In addition, if the pre-winding is insufficient, the pre-winding force cannot be obtained, so even if the extinguishing operation is performed, the force stored in the extinguishing spring 13 is small and the wick is
The wick 3 is difficult to descend, and even after the extinguishing operation has been completed, the wick 3 does not descend to the end and continues to burn while being caught in the middle of the wick guide tube 2a, resulting in a very dangerous situation. Was.

The present invention solves the above-mentioned problems, and aims to eliminate the need for the user to pre-wind the extinguishing spring when replacing the wick, thereby allowing the wick to be replaced easily.

Means for Solving the Problems In order to solve the above-mentioned problems, the present invention provides a bearing body that is non-rotatably attached to the lamp vertical shaft, and a bearing fitting that supports the lamp vertical shaft through this bearing body. The structure is such that it engages when replacing the wick.

Effects According to the present invention, with the above-described configuration, the pre-winding of the extinguisher spring is not released even if the pinion and the rack are disengaged, so there is no need to pre-wind the extinguishing spring when replacing the lamp wick.

Embodiment One embodiment will be described below with reference to FIGS. 1 to 6. 21 is a fuel tank, 22 is a burner section equipped on the fuel tank 21, and 23 is attached to the burner section 22 via a wick holder 24. The lamp wick is movable up and down between the wick guide tube 21a and the wick guide tube 21a. 25 is a wick up and down shaft with a pinion 25a at the tip;
The lamp wick vertical shaft 25 is supported by a bearing fitting 27 via a bearing body 26 made of resin such as polyacetal. The bearing body 26 is non-rotatably attached to the lamp vertical shaft 25, and as shown in FIG. It consists of a circumferential groove 26b formed as shown in FIG. On the other hand, the shaft through hole 27 of the bearing fitting 27
A protruding piece 29 is provided on a part of the hole edge of part b as shown in FIG.
A notch 28a in the axial direction and a locking part 28b in the circumferential direction are provided in a portion of the roller portion 28 of the bearing body 26 in correspondence with the protruding piece 29. 30 is a rack provided on the core holder 24, and 31 is a shaft retaining plate inserted into the circumferential groove 26b of the bearing body 26. 32 is the bearing fitting 27,
It is a shaft substrate that supports a bearing packing 33 and the like, and is fixed to the fuel tank 21. 34 is the shaft board 32
The lamp wick vertical shaft 25 is supported by a substrate bearing attached to the lamp. 35 is the shaft gasket, 36 is the lamp wick up and down shaft 2
This is a rotating body made of polyacetal resin etc. which is rotatably fitted into the body. Reference numeral 37 designates a fire extinguisher spring for lowering the wick which is fitted around the rotating body 36, and is pre-wound in advance so that one end is hooked onto a part of the shaft base plate 32 and the other end is hooked onto the rotating body 36. be. 38 is a pin embedded in the lamp wick vertical shaft 25, and 39 is a known vibration extinguishing device.

In the above configuration, when the knob 40 is rotated in the wick upward direction, the rotating body 37 is rotated via the wick vertical shaft 25 and the actuating body 38, thereby causing the extinguishing spring 37 to store more force. On the other hand, the rack 30 is driven by the pinion 25a, and the wick holder 24 and the lamp wick 23, which are integrated with the rack 30, are raised. Further, if an extinguishing button (not shown) is pressed in this state, the vibrating extinguishing device is activated and the lamp wick 23 is lowered.

Next, tar etc. adhere to the lamp wick 23 and the lamp wick 2
The operation when it becomes necessary to replace 3 will be explained. First, with the lamp wick 23 in the lowered state, the burner section 22 is removed, and the shaft retaining plate 31 is removed.
Thereafter, when the knob 40 is immediately pulled in the direction of arrow A, the engagement between the pinion 25a and the rack 30 is released, and as shown in FIG. match. At this time, the wick vertical shaft 25 rotates slightly due to the prewinding force F of the extinguisher spring 37 in the wick downward direction, but the protruding piece 29 hits the groove wall of the notched groove 28a and is prevented from further rotation. Therefore, the pre-winding of the digestion spring 37 is maintained as it is. Note that in this embodiment, the slight rotation described above causes the bearing fitting 2 to
There is an advantage that the protruding piece 29 of No. 7 engages with the locking portion 28b of the bearing body 26, and will not come off inadvertently due to the pulling of the core vertical shaft 25 in the direction of arrow A. With the pinion 25a and the rack 30 disengaged, the wick 23 is pulled up in the direction of arrow C, and a new wick is set in the wick holder 24 and inserted again along the wick guide tube 21a. When the insertion of the new wick is completed, the knob 40 is slightly rotated in the wick upward direction to disengage the protruding piece 29 and the lock portion 28b, and the knob 40 is pressed in the direction of arrow E. The protruding piece 29 is positioned in the circumferential groove 26b beyond the cutout groove 28a, and the ratchet 25a and the rack 30 engage with each other as shown in FIG. In this state, insert the shaft retaining plate 31 and attach the burner section 22 to complete the lamp replacement. Further, according to this structure, even if the lamp wick vertical shaft 25 is pulled too much when replacing the lamp wick, and the protrusion piece 29 and the notch groove 28a or the lock portion 28b are disengaged and the pre-winding of the extinguishing spring 37 is released, the protrusion piece 29 If you turn the knob 40 in the wick upward direction until the notch groove 28a corresponds to the
7 pre-winding can be performed.

Effects of the Invention As described above, according to the present invention, the core lamp can be replaced very easily and reliably without pre-winding. Furthermore, even if the light wick upper and lower shafts come off the bearing fittings and the pre-winding of the extinguisher spring is released, the pre-winding can be done easily and correctly, and a safe oil burning appliance can be provided. .

[Brief explanation of drawings]

Figure 1 is a sectional view of an oil combustor according to an embodiment of the present invention, Figure 2 is a sectional view of the oil combustor when the wick is replaced, and Figure 3 is a sectional view of the oil combustor in an embodiment of the present invention.
The figure is a partially cutaway perspective view of the main part, Fig. 4 is a perspective view showing the engagement state of the bearing fitting and the bearing body, Fig. 5 is a perspective view of the main part of the bearing body, and Fig. 6 is the same. FIG. 7 is a sectional view of a conventional oil combustor, and FIG. 8 is a sectional view of the oil combustor when the lamp wick is replaced. 23...Light wick, 25...Light wick up and down axis, 25a...
... Pinion, 26 ... Bearing body, 26b ... Circumferential groove, 27 ... Bearing fitting, 28 ... Roller part, 28a
... Notch groove, 28b ... Lock portion, 29 ... Projection piece, 37 ... Digestion spring.

Claims (1)

[Claims] 1. A lamp wick vertical shaft having a pinion at the tip, a bearing fitting that rotatably supports the lamp wick vertical shaft through a bearing body, and a lamp wick in a raised position based on a wick movement operation of the wick vertical shaft to an extinguishing position. A digester spring is provided on the upper and lower shafts of the lamp wick so as to store the force for lowering the lamp, and the bearing body is non-rotatably attached to the upper and lower shafts of the lamp wick, and a shaft through-hole is provided in the portion facing the shaft through-hole edge of the bearing fitting. Also, a circumferential groove with a small diameter is provided, and a roller portion with the same diameter or a small diameter as the shaft through hole is provided on the pinion side of the circumferential groove,
A petroleum oil product characterized in that a protruding piece is formed on a part of the hole edge of the shaft through-hole of the bearing fitting, and a notch groove in the axial direction is provided in a part of the roller part of the bearing body in correspondence with the protruding piece. combustor.