JP2923403B2 - Core lifting device for oil burning equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wick elevating device for an oil-fired appliance, and more particularly to a structure of a wick elevating device for an oil-fired appliance for burning oil fuel using a wick.

[0002]

2. Description of the Related Art Conventionally, as a petroleum burning device such as an oil stove that burns petroleum fuel using a wick, in addition to a manually operated wick elevating device, the wick is automatically lowered during an earthquake to stop combustion. Many are equipped with an automatic fire extinguishing mechanism. FIG. 7 is a perspective view showing an example of a cross-sectional structure of a conventional core elevating device A of an oil-fired device having such an automatic fire extinguishing mechanism, FIG. 8 is an exploded perspective view of the conventional core elevating device A, and FIG. FIG. 10 is a front view showing a state in which the lead lifting device A is set, FIG. 10 is a front view showing a state where the lead is lowered by operating an operation lever of the conventional lead lifting device A, and FIG. FIG. 6 is a front view showing a state in which the wick rapidly descends due to the automatic or fire extinguishing lever operation. As shown in FIG. 7, the conventional elevating device A for oil-fired equipment mainly includes an operating lever 20 for elevating and lowering the wick, a fire extinguishing lever 23 for rapidly lowering and operating the wick 14, and raising and lowering of the wick 14 by rotating. A lead adjusting shaft assembly 15 to be formed, a connecting plate 19 for rotating the lead adjusting shaft assembly 15, and a fine adjustment plate 22 interposed between the connecting plate 19 and the operating lever 20 to transmit the force of the operating lever 20. And an operating plate 21 which is released by the fire extinguishing lever 23 when the wick 14 rises and is released by the fire extinguishing lever 23 when the wick 14 is rapidly lowered by receiving the force of the operating lever 20 via the fine adjustment plate 22; And a weight 28 for detecting a vibration which falls down when a shock or the like is received and activates the fire extinguishing lever 23. Next, with reference to FIGS. 7, 8 (a) and 8 (b), a detailed configuration of the lead lifting device A will be described below, including the configuration around it. At the center of the combustion tank 12, a cylindrical core inner cylinder 13 stands. Core inner cylinder 13
A core 14 having a core holder (not shown) is interposed between the cylindrical outer cylinder 11 and the cylindrical core outer cylinder 11 so as to be vertically movable. A metal fitting 18 having a hole in the core 14 that penetrates the core holder is fixed to the outer peripheral surface of the middle abdomen of the core holder. The tip of the lifting arm 16 is engaged with the hole of the metal fitting 18. The lifting arm 16 and the subsequent parts are the core lifting device A. Lifting arm 1
A lead adjusting shaft 17 is fitted and fixed to 6, and constitutes a lead adjusting shaft assembly 15 of the lead lifting device A. Core adjustment shaft assembly 1
5 is a shaft receiver 4 fixed to the combustion tank 12 with screws.
1, one end of which is connected to a fine adjustment pin 30 fixed to the fine adjustment plate 22 via a connection plate 19. The groove 311 of the bearing 31 fixed to the substrate 25 of the core elevating device A is provided with a hole 213 of a polished shape (a large arc 214 passes through the outer periphery 312 of the bearing 31 at the time of assembly and mounting, and a small arc 215 is a bearing). 31 is mounted rotatably. A descent spring 10 for urging the operation plate 21 clockwise in the figure is interposed between the operation plate 21 and the spring hook portion 253 of the substrate 25. On the other hand, one end of the fine adjustment plate 22 is rotatably connected to the operation lever 20 via a stepped pin 33. The other end 222 of the fine adjustment plate 22 is
Is rotatably mounted via a stepped pin 32, but in the counterclockwise direction, the lower left end portion 221 of the fine adjustment plate 22 abuts against a bent portion 211 formed at the lower portion of the operation plate 21 to restrict rotation. Have been. A fine adjustment pin 30 is fixed to the fine adjustment plate 22, and the fine adjustment pin 30 is engaged with a concave hole 191 formed in the connecting plate 19. The connecting plate 19 is fixed to the core adjusting shaft 17 of the core adjusting shaft assembly 15 with screws 29. The operation lever 20 is slidably mounted in a vertically long hole 254 formed in the substrate 25 by a stepped pin 35. Furthermore, a weight 28 is placed on a weight stand 27 attached to the substrate 25 with screws 40 in an inverted state. A ball chain 37 is inserted between the weight 28 and the free end 231 of the L-shaped fire extinguishing lever 23 slidably supported by the stepped pin 36 on the substrate 25. The lower end of the chain 37 is attached to a chain stopper 38 to which a compression spring 39 is attached. The chain stopper 38 is engaged with the notch end 212 of the operation plate 21. The compression spring 39 is provided at the notch end 21 of the operation plate 21.
2 is located below. That is, one end of the sling chain 37 is attached to the weight 28, and the other end penetrates the free end 231 of the fire extinguishing lever 23, is attached to the chain stopper 38 on which the compression spring 39 is mounted, and is engaged with the operating plate 21. ing. or,
An operating pin 34 is fixed to the back side of the left end of the operating plate 21. The operating pin 34 is provided with the U-shaped guide hole 2 of the fire extinguishing lever 23.
The engaging portion 233 is detachably engaged with the engaging portion 233. still,
The compression spring 39 pulls the slack chain 37 in a direction in which the weight 28 returns when the weight 28 falls down. Hereinafter, the operation of the lead lifting device A will be described with reference to FIGS. First, the setting of the lead lifting device A will be described.
When the operation lever 20 is pushed down, the lower portion 221 of the fine adjustment plate 22 connected to the operation lever 20 comes into contact with the bent portion 211 of the operation plate 21. Then, the operation plate 21 rotates counterclockwise around the bearing 31 as a fulcrum. The operation pin 3 fixed to the back surface of the operation plate 21 with the movement of the operation plate 21
4 is a locking portion 2 of the V-shaped guide hole 232 of the fire extinguishing lever 23.
Lock to 33. At this time, since the fine adjustment pin 30 attached to the fine adjustment plate 22 is engaged with the concave hole 191 of the connection plate 19, the connection plate 19 also performs the same movement. Connecting plate 19
Raises the lead 14 via the lead adjusting shaft assembly 15, and the setting operation is completed (FIGS. 9A and 9B). Next, a case where the wick 14 is lowered to the fire extinguishing position by manual operation will be described. When the operation lever 20 is pulled up, the operation lever 2
The fine adjustment plate 22 connected to the rotation plate 0 rotates clockwise about the stepped pin 32 fixed to the operation plate 21. At this time, the fine adjustment pin 30 fixed to the fine adjustment plate 22 is
The connecting plate 19 is rotated in the clockwise direction by sliding in the concave hole 191. The connecting plate 19 lowers the wick 14 via the wick adjustment shaft assembly 15, and the fire is extinguished (FIG. 10). next,
A case where the wick 14 is rapidly lowered by manual operation of the fire extinguishing lever 23 will be described. When the fire extinguishing lever 23 is pressed, the operating pin 34 attached to the back surface of the operating plate 21 is disengaged from the locking portion 233 of the fire extinguishing lever 23. And the operating plate 2
1 returns to the original position before setting together with the fine adjustment plate 22 and the operation lever 20 by the tensile force of the descending spring 10 urged clockwise. At this time, the fine adjustment pin 30 fixed to the fine adjustment plate 22 slides in the concave hole 191 of the connection plate 19 to rotate the connection plate 19 clockwise. The connecting plate 19 rapidly lowers the wick 14 via the wick adjusting shaft assembly 15, and the fire is extinguished (FIG. 11). Next, the case of automatic fire extinguishing by the weight 28 will be described. When the weight 28 tilts due to an earthquake or the like, the upper end of the chain stopper 37 having one end connected to the weight 28 and the stopper 38 attached to the other end raises the free end 231 of the fire extinguishing lever 23, and the operating pin 34 is moved. It comes off from the locking part 233 of the fire extinguishing lever 23. As a result, the operating plate 21 is rotated in the same direction by the lowering spring 10 urged in the clockwise direction, and the lead 14 is rapidly lowered. At the same time, the notched end 2 of the operating plate 21
When the 12 presses the compression spring 39, the sling chain 37 is pulled, and the weight 28 returns to the original inverted state. This movement is the same operation as when the fire extinguishing lever 23 is pressed and the lead 14 is rapidly lowered (FIG. 11). As described above, according to the wick elevating device A, the wick 14 can be raised and lowered by manual operation, and at the time of an earthquake or the like, the wick is automatically rapidly lowered by the weight 28 to stop combustion safely. Can be.

[0003]

The conventional elevating device A for a petroleum-fired appliance as described above uses the wick 1 when the wick 14 descends.
The lead 14 can be lowered by manual operation when, for example, the lifting and lowering operation of the lead 14 becomes heavy due to the carbide attached to the core 4 or when the lead 14 does not drop to the fire extinguishing position during emergency fire extinguishing. However, at this time, the operating lever 20 and the connecting plate 1
Since a high load is applied to the fine adjustment plate 22 interposed between the fine adjustment plate 9 and the fine adjustment plate 9, there is a possibility that problems such as deformation of the fine adjustment plate 22 and malfunction may occur. SUMMARY OF THE INVENTION In order to solve the problems in the prior art, the present invention is directed to a petroleum-fired appliance capable of improving reliability and operability by improving a core elevating device of an oil-fired appliance and simplifying an operation mechanism thereof. It is an object of the present invention to provide a core lifting device.

[0004]

In order to achieve the above-mentioned object, the first means adopted by the present invention is to provide an operating member and a lead which are manually operated for raising and lowering the lead. An interlocking mechanism for interlocking an elevating shaft, an operating member connected to an automatically operated safety device, and the operating member sliding into an elongated hole in an operating direction formed in a part of the operating member; A connection mechanism for connecting via a freely loosely fitted pin, wherein the pin is attached to the end of the slot when the core is manually lifted.
Abuts the movement of the operating member to a rotational movement in a predetermined direction.
To the operating member and the interlocking mechanism.
Rotation of the operating member in the predetermined direction by
To the shaft above, and when the lead is manually lowered, the length
Slide the pin in the hole to move the operation member
Independent from the operating member and up
Rotation of the operating member in a direction opposite to the predetermined direction.
When the wick on which the safety device operates is rapidly lowered, the movement of the operating member automatically and rapidly operated by the safety device abuts on the end of the slot.
While transmitting to the operation member via the pin,
The movement of the operation member is defined as the predetermined direction by an interlocking mechanism.
This is a core elevating device of an oil-fired device which converts the rotation into a rotation in the opposite direction and transmits the rotation to the shaft. Further, the second means adopted by the present invention is, in summary, an interlocking mechanism for interlocking an operating member manually operated for raising and lowering the lead with a shaft for raising and lowering the lead, and the operating member described above. some of the operating member and the resistance applying mechanism only imparting an appropriate resistance to the operation <br/> core downward direction, automatically actuating member coupled to the safety device to be actuated and the above operation member the pin on the end of slidably and a coupling mechanism for coupling through the loosely fitted a pin, the long hole when the manual increase of the core to the long hole of the formed operating direction
Abuts the movement of the operating member to a rotational movement in a predetermined direction.
To the operating member and the interlocking mechanism.
Rotation of the operating member in the predetermined direction by
To the shaft above, and when the lead is manually lowered, the length
Slide the pin in the hole to move the operation member
Independent from the operating member and up
Rotation of the operating member in a direction opposite to the predetermined direction.
When the wick on which the safety device operates is rapidly lowered, the movement of the operating member automatically and rapidly operated by the safety device abuts on the end of the slot.
While transmitting to the operation member via the pin,
The movement of the operation member is defined as the predetermined direction by an interlocking mechanism.
This is a core elevating device of an oil-fired device which converts the rotation into a rotation in the opposite direction and transmits the rotation to the shaft.

[0005]

According to the present invention, there is provided an interlocking mechanism for interlocking an operation member manually operated for elevating the lead and a shaft for elevating the lead, and an actuation connected to an automatically operated safety device. A coupling mechanism for coupling the member and the operating member via a pin slidably and loosely fitted into an elongated hole in the operating direction formed in a part of the operating member, so that when the core is manually lifted,
The pin is in contact with the end of the slot, and the operating member
Is converted into a rotational motion in a predetermined direction, and
Transmitted to the material, and the operation unit
The movement of the material is converted into a rotational movement in the predetermined direction,
The shaft is transmitted to the shaft, and the
The operation member slides on the
And the movement of the operating member by the interlocking mechanism.
Is converted into a rotational motion in a direction opposite to the predetermined direction and transmitted to the shaft, and the safety device automatically and rapidly operates when the lead for which the safety device operates is rapidly lowered. The movement of the actuating member is performed via the pin abutting on the end of the slot.
And transmitted to the operating member,
More movement of the operation member in the direction opposite to the predetermined direction
The converted motion is transmitted to the shaft. For this reason,
When the wick is raised manually or when the safety device is activated,
When the robot is rapidly lowered, the movement of the operating and operating members
Will be transmitted through the contacted slot and pin.
There is almost no linear sliding between the members.
Extremely low resistance when operating members and actuating members
Become. Therefore, the actuating member is operated quickly by the safety device.
The required biasing force can be reduced. Also,
Since the drag is small, the operation amount of the operating member and the operating member is also small.
Settings can be set to improve operability.
You. In addition, for example, when the carbide adheres to the core,
It becomes slightly heavier and the core falls completely even if the above safety device is activated.
Even if it cannot be fully lowered, the pin slides through the long hole.
By manually operating the operation members that can operate independently,
The fire can be extinguished by reliably lowering the core by the mechanism
You. As a result, the operation mechanism is simplified comprehensively, and the reliability and operability of the device can be improved. Further, in the above configuration, for example by the action of the elastic biasing force of the spring member by applying only appropriate resistor the core downward direction of operation of the operating member, inhibit the operability when raising the core
In this way, it is possible to avoid the inconvenience that the lead is inadvertently naturally dropped due to the action of the lead's own weight, vibration, and impact when the lead lifting device is set.
At the same time, rattling of the operating member is also eliminated, and functional improvement can be achieved.

[0006]

Embodiments of the present invention will be described below with reference to the accompanying drawings to provide an understanding of the present invention. The following embodiment is an example embodying the present invention and is not intended to limit the technical scope of the present invention. Here, FIG. 1 is a perspective view showing a cross-sectional structure of a core elevating device A 'of an oil-fired apparatus according to one embodiment of the present invention, FIG. 2 is an exploded perspective view of the core elevating device A', and FIG. FIG. 4 is a front view and a perspective view showing a state in which the lead is lowered by operating an operation lever of the lead lifting device A '. FIG. FIG. 6 is a front view showing a state in which the wick is rapidly lowered by the operation of the automatic or fire extinguishing lever. FIG. 6 shows a wick elevating device A ″ for oil-fired equipment according to another embodiment of the present invention. 9 is a perspective view showing an example of a cross-sectional structure of the conventional core elevating device A of the conventional oil-fired equipment shown in FIG. 7, FIG. 8 is an exploded perspective view of the conventional core elevating device A of FIG. And FIG. 10 are front and rear views showing a state in which the conventional lead lifting device A is set, and FIG.
Elements common to the front view showing the state when the lead is lowered by the operation of the operation lever of FIG. 11 and the front view showing the state when the lead is rapidly lowered by the operation of the automatic or fire extinguishing lever of the conventional lead elevating device A of FIG. Use the same sign. As shown in FIG.
The basic configuration of the core elevating device A 'of the oil-fired apparatus according to the present embodiment is substantially the same as that of the conventional example, but the fine adjustment plate 22 of the conventional example is removed and the operation lever 20' and the connecting plate 19 'are directly linked. And the operation lever 20 'is directly connected to the operation plate 21'. In the following, in the present embodiment, parts different from the above-mentioned conventional example will be mainly described.
Since the same parts as in the conventional example are as described above,
Detailed description is omitted. That is, in the lead lifting device A 'of the present embodiment, as shown in FIGS. 1, 2 (a) and 2 (b), an adjusting pin 30' is fixed to a substantially central portion of an operating lever 20 'corresponding to an operating member. I have. Adjusting pin 30 'is connected to connecting plate 1
It is engaged with a long hole 191 'formed in 9' to constitute a kind of interlocking mechanism P. An elongated hole 201 'in the vertical direction is formed at the lower end of the operation lever 20'. The left end of the operating plate 21 'corresponding to the operating member is provided with a stepped pin 3 loosely fitted in the elongated hole 201' of the operating lever 20 '.
3 'is attached to the operation lever 20' so as to be slidable in the vertical direction, and forms a kind of coupling mechanism Q. Next, the operation of the core lifting device A 'will be described below with reference to FIGS. First, the setting of the core lifting device A 'will be described. Operation lever 2 by manual operation
When 0 'is pushed up, the coupling mechanism Q operates. That is,
The stepped pin 33 'loosely fitted in the long hole 201' of the operation lever 20 'contacts the upper part of the long hole 201'. The working plate 21 'is counter-clockwise (Tokoro in figure the bearing 31 as a fulcrum
Rotation ) . With the movement of the operation plate 21 ′, the operation pin 34 fixed to the operation plate 21 ′ is engaged with the engagement portion 233 of the V-shaped guide hole 232 of the fire extinguishing lever 23. At this time, also operates communicating kinematic mechanism P. That is, the adjusting pin 30 'fixed to the operation lever 20' is connected to the elongated hole 191 'of the connecting plate 19'.
, The connecting plate 19 'moves in the same way.
The connecting plate 19 ′ rotated counterclockwise by the operation of the interlocking mechanism P raises the lead 14 via the lead adjusting shaft assembly 15,
The setting operation is completed (FIGS. 3A and 3B). like this
During the set operation, the stepped pin 33 'is inserted into the slot 201'.
Movement of operation lever 20 'is transmitted to operating plate 21' upon contact
And the connecting plate 19 'performs the same movement as the operating plate 21'.
Therefore, the resistance when operating the operation lever 20 'is small.
Becomes

Next, a case where the lead 14 is lowered to the fire extinguishing position by manual operation of the operation lever 20 'will be described. When the operation lever 20 'is pulled up by manual operation, the interlocking mechanism P operates. That is, the adjusting pin 30 'fixed to the operation lever 20' rotates the connecting plate 19 'clockwise while sliding in the elongated hole 191' of the connecting plate 19 '. The connecting plate 19 'rotated by the operation of the interlocking mechanism P lowers the wick 14 via the wick adjusting shaft assembly 15, and the fire is extinguished (FIGS. 4A and 4B). At this time, the operation lever 2
The movement of 0 'is caused by the slot 201' of the stepped pin 33 '.
By sliding inside the operating plate 21 '
Therefore, the operation plate 21 'does not operate. Further, the exposure length of the core 14 can be manually adjusted by the above operation. next,
A case where the wick 14 is rapidly lowered by manual operation of the fire extinguishing lever 23 will be described. Fire extinguishing lever 2 by manual operation
Pressing 3 activates the coupling mechanism Q. That is, the operation plate 21 '
Of the fire extinguishing lever 23 is disengaged from the locking portion 233 of the fire extinguishing lever 23. The operating plate 21 'is moved by the pulling force of the descending spring 10 urged in the clockwise direction.
Return to the original position before setting with 0 '. In addition, stepped pin 3
When the operating plate 21 'moves while the 3' is in contact with the slot 201 '.
Is transmitted to the operation lever 20 ', so that the resistance
Becomes smaller. At this time, the interlocking mechanism P also operates.
That is, the adjusting pin 30 'fixed to the operation lever 20' slides in the elongated hole 191 'of the connecting plate 19' while sliding in the connecting plate 1 '.
Rotate 9 'clockwise. The connecting plate 19 'rotated by the operation of the interlocking mechanism P rapidly lowers the wick 14 via the wick adjusting shaft assembly 15, and the fire is extinguished (FIG. 5). Next, the case of automatic fire extinguishing by the weight 28 will be described.
In this case, the safety device R including the weight 28, the sling chain 37, the chain stopper 38 and the compression spring 39 is formed in the same procedure as in the conventional example.
Operates. That is, when the weight 28 is tilted due to an earthquake or the like, the weight 28
The upper end of the chain stopper 38 connected by the slack chain 37 raises the free end 231 of the fire extinguishing lever 23. At this time, the state of the fire extinguishing lever 23 is the same as the pressed state of the fire extinguishing lever 23 by manual operation.
Rapidly descends to the fire extinguishing state (Fig. 5). As described above, according to the lead lifting device A 'of the present embodiment, the lead 14 can be manually lifted without providing the fine adjustment plate 22 as in the conventional example.
Sometimes the stepped pin 33 'is located at the end of the slot 201'.
The operation lever 20 'moves in the counterclockwise direction
When converted to rotational motion and transmitted to the operating plate 21 ',
In addition, the operation of the operation lever 20 'is counteracted by the interlocking mechanism P.
It is converted into a clockwise rotational motion to form the core adjustment shaft assembly 15.
When the core 14 is manually lowered, the
The stepped pin 33 'slides and the operation lever 20' moves.
Independent of the operating plate 121 ',
P moves the operation lever 20 'clockwise.
And is transmitted to the core adjustment shaft assembly 15 and is transmitted to the safety device.
When the lead 14 on which the R operates moves down rapidly, the safety device R
The operation of the operation plate 21 'which is automatically and quickly operated is
01 'through the stepped pin 33' in contact with the end of the operation lever.
Transmitted to the bar 20 'and by the interlocking mechanism P
Movement of operation lever 20 'is converted to clockwise rotation
Then, it is transmitted to the core adjusting shaft assembly 15. The ascending and descending operation of the lead 14 by the manual operation of the operation lever 20 ', the extinguishing operation by the manual operation of the extinguishing lever 23, and the automatic extinguishing operation by the weight 28 are reliably performed using the interlocking mechanism P and the coupling mechanism Q. . For this reason, the core 14
When raising manually, or when the safety device R is activated,
When the 4 is lowered rapidly, it operates with the operating lever 20 '.
The movement of the plate 21 'is determined by the contact of the slot 201'
3 'and a straight line between the members
The operation lever 20 'and the operating plate 2
The resistance when operating 1 'is very small. Follow
Then, the operation plate 21 'is quickly operated by the safety device R.
The urging force of the descent spring 10 is weak, and
The pace can be reduced. Low resistance
Therefore, the operation amount of the operation lever 20 'and the operation plate 21' is also small.
Settings can be set to improve operability.
You. Further, even when carbide is adhered to the wick 14 when the wick 14 descends, the lifting operation of the wick 14 becomes heavy, or when the wick 14 does not descend to the fire extinguishing position during emergency fire extinguishing, the operation lever 2
If the 0 'is manually operated, the interlocking mechanism P is activated to reliably lower the wick and extinguish the fire. As a result, the reliability of the core elevating device A 'is improved, and the safety of oil-fired equipment equipped with this device A' can be enhanced. Also, since the operation mechanism is simplified as compared with the conventional example, the operation lever 2
The operation force of 0 'can be reduced, and accordingly, the operability is improved. Further, since the number of parts is reduced, cost can be reduced.

Next, a description will be given of a lead lifting apparatus A "according to another embodiment of the present invention with reference to Fig. 6. This lead lifting apparatus A" is similar to the lead lifting apparatus A 'in basic structure, operation and operation. To make the effects and the like substantially the same, the same reference numerals are used for the common elements, and the detailed description thereof is omitted. The configuration of the lead lifting device A "is different from that of the lead lifting device A" as shown in FIG.
And a tension spring 43 is stretched between a hook portion 192 'provided on the connecting plate 19'. The tension spring 4 is provided between the hook portions 202 'and 192' having the above positional relationship.
3 is provided because the operation lever 20 'is directly linked.
This is based on the consideration that the tension is more stably exhibited under the minimum displacement amount of the tension spring 43 itself between these and the connecting plate 19 '. By biasing the operation lever 20 'with, for example, the direction of the bearing 31 with the stable elastic force, the side of the elongated hole 254 formed in the substrate 25 (see FIG. The stepped pin 35 fixed to the operation lever 20 'is pressed against the edge, and an appropriate resistance is applied to the sliding portion of the operation lever 20' in the downward movement of the center of the operation lever 20 '. That is, a resistance application mechanism S for applying an appropriate operation resistance to the operation lever 20 'is constituted by these components. With such a configuration , operability when raising the core 14 is reduced.
Without, at a set of core lifting device A "(core 14
Is raised), for example, the core 14, the core adjusting shaft assembly 1
5. It is possible to avoid the inconvenience that the wick 14 and the like are inadvertently naturally lowered due to the operation of the operating lever 20 'and the like by its own weight, vibration, and impact. In addition, the above-mentioned slot 254
The rattling in the portion between the stepped pin and the stepped pin 35 is also eliminated,
The operation function of the lead lifting device A ″ can also be improved.

[0009]

The wick raising / lowering device for oil-fired equipment according to the present invention is constructed as described above, so that the wick raising / lowering operation and fire extinguishing by manual operation of the operation lever without providing a fine adjustment plate as in the conventional example. The fire extinguishing operation by manual operation of the lever and the automatic fire extinguishing operation by the weight can be reliably performed. Also, when the wick is raised manually or the safety device is activated.
When the wick is rapidly lowered by the
The resistance when operating is extremely small. Also safe
The urging force for quickly operating the operating member by the device is also weak.
It is possible to reduce the installation space for darkened elastic members.
You. In addition, since the resistance is small, the operating members and operating plate members
Operation amount can be set small, improving operability.
It can also be done. Also, even when carbide is attached to the wick when the wick drops and the wick elevates, the wick does not drop to the fire-extinguishing position during an emergency fire extinguishing operation. Can extinguish fire.
As a result, the reliability of the core elevating device is improved, and the safety of oil-fired equipment equipped with this device can be enhanced.
Further, since the operation mechanism is simplified as compared with the conventional example, the operation force of the operation lever can be reduced, and the operability is improved accordingly. Further, since the number of parts is reduced, cost can be reduced. In still yet above structure, by providing the resistance imparting mechanism that imparts only appropriate manipulation resistance core downward direction of movement of the operating member, when increasing the core
Without interfering with the operation of the above, it is possible to avoid the inconvenience that the lead is inadvertently naturally dropped due to the action of the dead weight of the lead, vibration, and impact when the lead lifting device is set. At the same time, rattling of the operating member is also eliminated, and functional improvement can be achieved.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a cross-sectional structure of a core elevating device A ′ of an oil-fired apparatus according to one embodiment of the present invention.

FIG. 2 is an exploded perspective view of a lead lifting device A ′.

FIGS. 3A and 3B are a front view and a back view showing a state when the lead lifting device A 'is set. FIGS.

FIGS. 4A and 4B are a front view and a perspective view showing a state in which the lead is lowered by operating an operation lever of the lead lifting device A '.

FIG. 5 is a front view showing a state in which the lead is rapidly lowered by operating the lead elevating device A ′ automatically or by operating a fire extinguishing lever.

FIG. 6 is a view corresponding to FIG. 1, showing a lead-lifting device A ″ for oil-fired equipment according to another embodiment of the present invention.

FIG. 7 is a perspective view showing an example of a cross-sectional structure of a core elevating device A of a conventional oil-fired device.

FIG. 8 is an exploded perspective view of a conventional lead lifting device A.

9A and 9B are a front view and a rear view showing a state of setting the conventional lead lifting device A.

FIG. 10 is a front view showing a state in which the lead is lowered by operating an operation lever of the conventional lead lifting device A;

FIG. 11 is a front view showing a state where a lead is rapidly lowered by operating a conventional lead lifting device A automatically or by operating a fire extinguishing lever.

[Explanation of symbols]

 A ', A "... lead lifting device 14 ... lead 15 ... lead adjustment shaft assembly (corresponding to a lead lifting shaft) 19' ... connecting plate 20 '... operating lever (corresponding to operating member) 21' ... operating plate ( 43 ... Tension spring P ... Interlocking mechanism Q ... Connecting mechanism R ... Safety device S ... Resisting mechanism

Claims (2)

(57) [Claims] 1. An interlocking mechanism for interlocking an operation member manually operated for raising and lowering a lead with a shaft for raising and lowering the lead, an operating member connected to an automatically operated safety device, and the operation A connection mechanism for connecting the member to a long hole in the operating direction formed in a part of the operation member via a pin slidably and loosely fitted therein, and the end of the long hole when the lead is manually lifted. Contact the above pin
To convert the movement of the operating member into a rotational movement in a predetermined direction.
In addition to transmitting to the operating member,
The movement of the operating member is converted into the rotational movement in the predetermined direction.
To the shaft, and when the lead is manually lowered, slide the pin in the slot.
The movement of the operating member is independent of the operating member,
In addition, the movement of the operation member is controlled by the interlocking mechanism to the predetermined position.
The direction is converted into a rotary motion in the opposite direction is transmitted to the shaft, said safety device on the movement of the actuating member is automatically rapidly activated by all devices該安during quick drop of the core operating
The operating member via the pin abutting on the end of the slot
To the operating member by the interlocking mechanism.
A core elevating device for an oil-fired device that converts a movement into a rotational movement in a direction opposite to the predetermined direction and transmits the rotation to the shaft. An interlocking mechanism wherein interlocking the manual shaft of the the operating member and the wick lifting operation for lifting operation of the core, only appropriate resistor the core downward direction of movement of the operating member imparts And an operating member connected to an automatically operated safety device and the operating member are slidably and loosely fitted in an elongated hole in an operating direction formed in a part of the operating member. And a connecting mechanism for connecting via a pin. When the core is manually lifted, the pin comes into contact with the end of the slot.
To convert the movement of the operating member into a rotational movement in a predetermined direction.
In addition to transmitting to the operating member,
The movement of the operating member is converted into the rotational movement in the predetermined direction.
To the shaft, and when the lead is manually lowered, slide the pin in the slot.
The movement of the operating member is independent of the operating member,
In addition, the movement of the operation member is controlled by the interlocking mechanism to the predetermined position.
The direction is converted into a rotary motion in the opposite direction is transmitted to the shaft, said safety device on the movement of the actuating member is automatically rapidly activated by all devices該安during quick drop of the core operating
The operating member via the pin abutting on the end of the slot
To the operating member by the interlocking mechanism.
A core elevating device for an oil-fired device that converts a movement into a rotational movement in a direction opposite to the predetermined direction and transmits the rotation to the shaft.