JP4414538B2 - Elevator cab equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an elevator cab apparatus in which a ventilation gap is provided in an enclosure such as a side plate.
[0002]
[Prior art]
9 and 10 are views showing a conventional elevator cab apparatus similar to that shown in, for example, Japanese Utility Model Laid-Open No. 4-19568, FIG. 9 is a longitudinal sectional view of the cab, and FIG. FIG. In the figure, 1 is a car floor of a car room, 2 is a baseboard erected on the edge of the car floor 1, that is, an edge elevation surface, 3 is a flange-like portion provided at the upper end of the edge elevation surface 2 is there.
[0003]
4 is a side wall of the cab that is erected on the flange-like portion 3 via the spacing piece 5, 6 is a gap formed between the edge elevation surface 2 and the side wall 4 by the spacing piece 5, and 7 is a side wall 4. A ceiling plate 8 is provided so as to cover the upper end, and a ventilation fan 8 is provided on the upper surface of the ceiling plate 7, and is disposed so as to face the ventilation holes 9 provided in the ceiling plate 7. Reference numeral 10 denotes a car room configured with the car floor 1, the side walls 4 and the ceiling board 7 as main members, that is, an enclosure.
[0004]
In the conventional elevator car room apparatus, the car-like floor 10, the side wall 4 and the ceiling plate 7 constitute a box-like car room 10 as described above. Then, the interior of the cab 10 is ventilated by the ventilation hole 6 and the ventilation fan 8. This eliminates off-flavors and the like in the cab 10 and improves comfort.
[0005]
[Problems to be solved by the invention]
In the conventional elevator cab apparatus as described above, when smoke from a fire or the like of a building where the elevator is installed enters an elevator hoistway (not shown), the rising smoke is in the direction of arrow B shown in FIG. There is a problem that a part of the car enters the car room 10 and flows into the car room 10. In addition, when the car indoor air is exhausted by the ventilating fan 8 through the operation of the fire alarm, the invasion of smoke is promoted from the gap of the car room.
[0006]
The present invention has been made to solve such problems, and to obtain an elevator cab apparatus that can prevent smoke in a hoistway from entering a cab due to a fire or the like with a simple configuration. With the goal.
[0007]
[Means for Solving the Problems]
The elevator cab apparatus according to the present invention includes a baseboard provided at an edge of a car floor of the car room and a side wall of the car room that is erected with a gap formed above the baseboard. Here, at the lower part of the side wall, a side wall outer extension portion extending from the inside of the cab toward the outside as the lower surface of the side wall and a side wall upper extension portion extending upward from the outer end of the side wall outer extension as the outer surface of the side wall And are integrally formed. The skirting board is also provided with an edge standing surface that is erected on the edge of the car floor, and extends from the upper end of the edge standing surface to the outside of the car room so as to face the side wall outer extension, A skirting board outer extension that forms a side ventilation path between the skirting board and the skirting board outer extension that extends upward from the outer edge of the skirting board and faces the upper side of the side wall. And a baseboard upper extension that forms an upper ventilation path with a lower end connected to the side ventilation path.
[0008]
Further, in the elevator car room apparatus according to the present invention, an edge standing surface standing on the edge of the car floor, an outer extension extending outward from the upper end of the edge standing surface, and the outside A side wall erected on the upper surface of the extension part and a lower edge part of the side wall are provided so that the upper part projects and opens to the outer surface of the side wall, and descends from the projecting edge part of the opening part to the side wall surface. And an upward ventilation path formed with an inclined surface to reach.
[0009]
Moreover, in the elevator cab apparatus according to the present invention, an outer surface member is formed on the side wall as a side surface part of which is extended to the outside of the cab. In the longitudinal section including the outer surface member, the surface on the upper ventilation path side of the baseboard upper extension is retracted to the cab side from the outer end of the outer surface member.
[0010]
Further, in the elevator cab device according to the present invention, the closing device is disposed in any of the side ventilation path, the upper ventilation path, and the upward ventilation path, is heated and expands to close the ventilation path, and operates when necessary. And a control device for commanding expansion of the closure device.
[0011]
Further, in the elevator cab apparatus according to the present invention, the ceiling plate that covers the upper end of the side wall, and the ventilation fan that is disposed on the ceiling plate and is opposed to the vent holes provided on the ceiling plate. And a ventilation fan closing device that closes the air flow path leading to the vent hole formed in the mounting portion of the ventilation fan, and a control device that operates when necessary to command the closing operation of the ventilation fan closing device.
[0012]
In the elevator cab apparatus according to the present invention, a closing surface is provided which is arranged in a shape closing the corner formed by the outer surface of the edge elevation and the bottom surface of the outer extension.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Embodiment 1 FIG.
FIG. 1 is a diagram showing an example of the embodiment of the present invention, and corresponds to FIG. 10 described above. Other than FIG. 1, an elevator cab device is configured in the same manner as FIG. 9 described above. In the figure, 1 is a car floor of a car room, 2 is a baseboard erected on the edge of the car floor 1, that is, an edge vertical surface, 11 is an outer extension, and from the upper end of the edge vertical surface 2 to the outside. The side ventilation path 12 is formed between the extended side wall and the lower surface of the side wall, which will be described later.
[0014]
Reference numeral 13 denotes an upper extension, which extends upward from the outer end of the outer extension 11 and is disposed to face the outer surface of the side wall. The upper end opens upward, communicates with the outside air, and the lower end extends to the side ventilation path 12. A connected upper ventilation path 14 is formed between the outer surface of the side walls.
Reference numeral 4 denotes a side wall of a cab that is erected on the outer extension portion 11 via a spacing piece 5.
[0015]
In the elevator cab apparatus configured as described above, a box-shaped cab 10 is constituted by the car floor 1, the side walls 4 and the ceiling plate 7 in the same manner as the elevator cab apparatus of FIGS. 9 and 10 described above. The Then, the side ventilation path 12 formed by the outer extension 11 on the edge elevation 2 of the car floor 1, the upper ventilation path 14 formed by the upper extension 13 and opened upward, and the ventilation fan 8, the inside of the car room 10. Is ventilated.
[0016]
With this configuration, when smoke from a fire or the like of a building where the elevator is installed enters the elevator hoistway, the rising smoke flows in the direction of arrow C shown in FIG. It is possible to prevent smoke from the hoistway from entering the chamber 10. Thus, the trouble which penetrate | invades in the cab 10 with a simple apparatus structure can be prevented. Further, the side ventilation path 12 and the upper ventilation path 14 form a ventilation path refracted in an L shape in the longitudinal section. For this reason, the noise outside the cab 10 entering the cab 10 via the upper ventilation path 14 and the like can be reduced, and the interior of the cab 10 can be quieted.
[0017]
Embodiment 2. FIG.
FIG. 2 is a diagram showing an example of another embodiment of the present invention, which corresponds to FIG. Other than FIG. 2, an elevator cab apparatus is configured as in FIG. 9 described above. In the figure, the same reference numerals as those in FIG. 1 denote the corresponding parts, and 15 is a closing surface, which is provided in a shape that closes the corner of the bottom surface of the base portion of the outer extension 11 in FIG.
[0018]
In the elevator car room apparatus configured as described above, the car room 10 is configured in a box shape by the car floor 1, the side walls 4, and the ceiling plate 7 as in the elevator car room apparatus of FIGS. The The side ventilation path 12 and the upper ventilation path 14 form a ventilation path refracted in an L shape in the longitudinal section. Therefore, although the detailed description is omitted, the same operation as the embodiment of FIG. 1 can be obtained also in the embodiment of FIG.
[0019]
Further, in the embodiment of FIG. 2, a closing surface 15 is provided to close the corner of the bottom surface of the base portion of the outer extension portion 11. For this reason, the smoke rising into the elevator hoistway due to fire or the like flows smoothly without causing turbulence as indicated by the arrow D shown in FIG. Thereby, it is possible to more effectively prevent the problem that smoke in the hoistway enters the cab 10.
[0020]
Embodiment 3 FIG.
FIG. 3 is also a diagram showing an example of another embodiment of the present invention, which corresponds to FIG. Other than FIG. 3, an elevator cab apparatus is configured in the same manner as FIG. 9 described above. In the figure, the same reference numerals as those in FIG. 1 denote the corresponding parts, 4 is the side wall of the cab that is directly erected on the flange-like portion 3 of the edge elevation surface 2, 16 is the upward ventilation path, and the lower edge of the side wall 4 An inclined surface is formed so as to pass through the portion and have an upper portion projecting and opening from the outer surface of the side wall 4 and descending from the projecting edge of the opening to reach the inner surface of the side wall 4.
[0021]
In the elevator car room apparatus configured as described above, the car room 10 is configured in a box shape by the car floor 1, the side walls 4, and the ceiling plate 7 as in the elevator car room apparatus of FIGS. The And the upward ventilation path 16 in which the inclined surface was formed in the outer surface of the side wall 4 is provided in the lower edge part of the side wall 4. As shown in FIG. For this reason, smoke that enters the elevator hoistway and rises due to a fire in a building where the elevator is installed flows in the direction of arrow E shown in FIG. Therefore, the problem that smoke in the hoistway enters the cab 10 can be prevented with a simple device configuration.
[0022]
Embodiment 4 FIG.
FIG. 4 is also a diagram showing an example of another embodiment of the present invention, which corresponds to FIG. Except for FIG. 4, an elevator cab apparatus is configured in the same manner as FIG. 9 described above. In the figure, the same reference numerals as those in FIG. 1 denote corresponding parts, 4 is a side wall of a cab with a narrow lower end surface, 13 is an upper extension, and the outer surface is disposed at a position retreated from the outer surface member of the side wall 4. Has been.
[0023]
In the elevator car room apparatus configured as described above, the car room 10 is configured in a box shape by the car floor 1, the side walls 4, and the ceiling plate 7 as in the elevator car room apparatus of FIGS. The The side ventilation path 12 and the upper ventilation path 14 form a ventilation path refracted in an L shape in the longitudinal section. Therefore, although the detailed description is omitted, the same operation as the embodiment of FIG. 1 can be obtained also in the embodiment of FIG.
[0024]
Further, in the embodiment of FIG. 4, the outer surface of the upper extension 13 is disposed at a position that is retracted from the outer member of the side wall 4. Thereby, the external dimension in the horizontal projection surface of the cab 10 can be made smaller than the effective area of the car floor 1. Therefore, the cross-sectional area of the elevator hoistway can be reduced, and the elevator installation cost can be reduced.
[0025]
Embodiment 5 FIG.
FIG. 5 and FIG. 6 are also diagrams showing an example of another embodiment of the present invention. FIG. 5 is a diagram corresponding to FIG. 1, and FIG. 6 is a conceptual diagram of a main part of an electric circuit corresponding to the apparatus of FIG. FIG. In addition to FIG.5 and FIG.6, the elevator cab apparatus is comprised similarly to above-mentioned FIG. In the figure, the same reference numerals as those in FIG. 1 denote corresponding parts, 17 is a fire alarm, and 18 is an elevator control device.
[0026]
Reference numeral 19 denotes a closing device, which is a heating wire 20 provided along the horizontal edge of the opening of the upper ventilation path 14 and heat that is provided by covering the heating wire 20 and is heated by the heating wire 20 to expand. It is constituted by the expansion material 21. Examples of the substance that expands when heated include, for example, sodium hydroxide silicate that expands and expands when heated to 60 ° C to 100 ° C, a ceramic flame retardant rubber composite material, and a ceramic fiber composite material. Etc. can be used.
[0027]
In the elevator car room apparatus configured as described above, the car room 10 is configured in a box shape by the car floor 1, the side walls 4, and the ceiling plate 7 as in the elevator car room apparatus of FIGS. The The side ventilation path 12 and the upper ventilation path 14 form a ventilation path refracted in an L shape in the longitudinal section. Therefore, although the detailed description is omitted, the same operation as that of the embodiment of FIG. 1 can be obtained also in the embodiment of FIGS.
[0028]
5 and 6, when the fire alarm 17 is activated due to the occurrence of a fire in the building, the closing device 19 is energized via the control device 18. As a result, the energized heating wire 20 generates heat, and the thermal expansion material 21 expands to close the upper ventilation path 14. Therefore, it is possible to more effectively prevent the problem that smoke in the hoistway enters the cab 10.
[0029]
Embodiment 6 FIG.
FIGS. 7 and 8 are also diagrams showing an example of another embodiment of the present invention. FIG. 7 is a longitudinal sectional view of a cab, and FIG. 8 is a conceptual diagram of a main part of an electric circuit corresponding to the apparatus of FIG. FIG. In the figure, the same reference numerals as those in the embodiment shown in FIGS. 5 and 6 denote the corresponding parts, 1 is a car floor of the car room, 2 is a baseboard erected on the edge of the car floor 1, that is, an edge part. Elevated.
[0030]
4 is a side wall of a cab that is erected on the upper surface of the outer extension 11 via a spacing piece 5, 7 is a ceiling plate that covers the upper end of the side wall 4, and 8 is provided on the upper surface of the ceiling plate 7. It is a ventilation fan and is arranged to face the air holes 9 provided in the ceiling plate 7. Reference numeral 10 denotes a car room constituted by the car floor 1, the side walls 4 and the ceiling plate 7 as main members, that is, an enclosure. Reference numeral 22 denotes a ventilating fan closing device comprising a well-known shutter. The air flow path communicating with the pores is closed.
[0031]
In the elevator cab apparatus configured as described above, the side ventilation path 12 and the upper ventilation path 14 form a ventilation path refracted in an L shape in the longitudinal section. Therefore, although the detailed description is omitted, the same operation as that of the embodiment of FIG. 1 can be obtained also in the embodiment of FIGS.
[0032]
7 and 8, when the fire alarm 17 is activated due to the occurrence of a fire in the building, the ventilation fan closing device 22 is energized via the control device 18. Thereby, the vent hole related to the ventilation fan 8 is closed. Therefore, it is possible to more effectively prevent the problem that smoke in the hoistway enters the cab 10.
[0033]
Further, by energizing the ventilating fan closing device 22 when the elevator is moving up and down at high speed and closing the vent hole related to the ventilating fan 8, external noise entering the cab 10 through the vent hole of the ventilation fan 8 mounting portion due to the high speed raising and lowering. Can be reduced, and the interior of the cab 10 can be quieted.
[0034]
【The invention's effect】
As described above, the present invention, as described above, the edge standing surface standing on the edge of the car floor, the side wall standing by forming a gap between the upper end of the edge standing surface, the edge An outer extension that extends outward from the upper end of the vertical surface and forms a side ventilation path between the lower surface of the side wall, and an outer surface of the side wall that extends upward from the outer end of the outer extension. The upper end opens upward, communicates with the outside air, and the lower end forms an upper ventilation path connected to the side ventilation path, and is provided with an upper extension portion facing each other.
[0035]
As a result, a ventilating path that is refracted into an L shape in the longitudinal section and opens upward and communicates with the outside air is formed at the upper end of the vertical edge of the car floor by the side ventilation path and the upper ventilation path. For this reason, when smoke due to fire or the like of the building where the elevator is installed enters the elevator hoistway, there is an effect of preventing a problem that the smoke of the rising hoistway enters the car room by a simple device configuration. Further, it is possible to reduce external noise entering the car room through the upper ventilation path and the like, and there is an effect of quieting the car room.
[0036]
In addition, as described above, the present invention provides an edge elevation surface standing on the edge of the car floor, an outer extension portion extending outward from the upper end of the edge elevation surface, and the outer extension portion. A side wall standing on the upper surface and an inclined surface that extends through the lower edge of the side wall and projects upward from the outer surface of the side wall, and descends from the projected edge of the opening to reach the side wall surface And an upward ventilation path formed.
[0037]
Thus, an upward ventilation path is provided at the lower edge of the side wall, and an inclined surface is formed on the outer surface of the side wall. For this reason, when smoke due to fire or the like of the building where the elevator is installed enters the elevator hoistway, there is an effect of preventing a problem that the smoke of the rising hoistway enters the car room by a simple device configuration.
[0038]
In addition, as described above, in the present invention, the outer surface of the upper extension is disposed at a position retracted from the outer surface member of the side wall, and the upper surface of the outer extension formed corresponding to the base of the upper extension is interposed therebetween. The side wall is erected.
[0039]
As a result, a ventilation path that opens upward and communicates with the outside air is formed by the side ventilation path and the upper ventilation path at the upper end of the edge elevation of the car floor or the upward ventilation path at the lower edge of the side wall. . For this reason, when smoke due to fire or the like of the building where the elevator is installed enters the elevator hoistway, there is an effect of preventing a problem that the smoke of the rising hoistway enters the car room by a simple device configuration.
Further, the outer surface of the upper extension portion is disposed at a position where the outer surface member is retracted from the outer surface member of the side wall. For this reason, the external dimension in the horizontal projection surface of a cab can be made small with respect to the effective area of a car floor. Thereby, the cross-sectional area of an elevator hoistway can be reduced and there exists an effect which reduces an elevator installation cost.
[0040]
In addition, as described above, the present invention is disposed in any one of the side ventilation path, the upper ventilation path, and the upward ventilation path, and is heated and inflated to block the ventilation path, and operates when necessary to block the ventilation path. And a control device for instructing expansion of the device.
[0041]
As a result, a ventilation path that opens upward and communicates with the outside air is formed by the side ventilation path and the upper ventilation path at the upper end of the edge elevation of the car floor or the upward ventilation path at the lower edge of the side wall. . For this reason, when smoke due to fire or the like of the building where the elevator is installed enters the elevator hoistway, there is an effect of preventing a problem that the smoke of the rising hoistway enters the car room by a simple device configuration. In addition, when a building fire occurs, the closing device expands via the control device and closes the ventilation path. Therefore, there is an effect of more effectively preventing a problem that smoke in the hoistway enters the car room.
[0042]
In addition, as described above, the present invention covers a ceiling plate provided to cover the upper end of the side wall, a ventilation fan disposed on the ceiling plate and opposed to a vent hole provided on the ceiling plate, A ventilation fan closing device that closes an air flow path that leads to a vent hole formed in a mounting portion of the ventilation fan, and a control device that operates when necessary to command the closing operation of the ventilation fan closing device are provided.
[0043]
As a result, a ventilation path that opens upward and communicates with the outside air is formed by the side ventilation path and the upper ventilation path at the upper end of the edge elevation of the car floor or the upward ventilation path at the lower edge of the side wall. . For this reason, when smoke due to fire or the like of the building where the elevator is installed enters the elevator hoistway, there is an effect of preventing a problem that the rising smoke enters the car room by a simple device configuration. Further, the ventilating fan closing device is energized through the control device due to the occurrence of a fire in the building, and the vent hole related to the ventilating fan is closed. Therefore, there is an effect of more effectively preventing a problem that smoke in the hoistway enters the car room.
[0044]
In addition, as described above, the present invention is provided with a blocking surface arranged in a shape closing the corner formed by the outer surface of the edge vertical surface and the lower surface of the base portion of the outer extension.
[0045]
As a result, a ventilation path that opens upward and communicates with the outside air is formed by the side ventilation path and the upper ventilation path at the upper end of the edge elevation of the car floor or the upward ventilation path at the lower edge of the side wall. . For this reason, when smoke due to a fire or the like of a building where the elevator is installed enters the elevator hoistway, the smoke in the hoistway that rises flows smoothly without causing turbulence by the blocking surface. Therefore, there is an effect of preventing a problem that smoke in the rising hoistway enters the car room by a simple device configuration.
[Brief description of the drawings]
FIG. 1 is a diagram showing a first embodiment of the present invention and corresponding to FIG. 10 described later.
FIG. 2 is a diagram showing a second embodiment of the present invention and corresponding to FIG.
FIG. 3 is a diagram showing a third embodiment of the present invention and corresponding to FIG.
FIG. 4 is a diagram showing a fourth embodiment of the present invention and corresponding to FIG.
FIG. 5 is a diagram showing a fifth embodiment of the present invention and corresponding to FIG.
6 is a diagram conceptually showing a main part of an electric circuit corresponding to the apparatus shown in FIG.
FIG. 7 is a view showing a sixth embodiment of the present invention, and is a longitudinal sectional view of a cab.
FIG. 8 is a diagram conceptually showing a main part of an electric circuit corresponding to the apparatus shown in FIG.
FIG. 9 is a longitudinal sectional view of a cab showing a conventional elevator cab apparatus.
10 is an enlarged view of a portion A in FIG. 9;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Car floor, 2 Edge elevation, 4 Side wall, 7 Ceiling board, 8 Ventilation fan, 9 Ventilation hole, 11 Outer extension, 12 Side ventilation path, 13 Upper extension, 14 Upper ventilation path, 15 Blocking surface, 16 Upward ventilation path, 18 control device, 19 occlusion device, 22 ventilation fan occlusion device.

Claims (5)

A skirting board provided at the edge of the car floor of the car room;
A side wall of the cab that is erected by forming a gap in the upper part of the skirting board ,
In the lower part of the side wall,
A side wall outer extension extending from the inside of the cab to the outside as the lower surface of the side wall;
A sidewall upper extension extending upward from the outer end of the sidewall outer extension as an outer surface of the sidewall, and is formed integrally;
The skirting board is
And erected edge elevational to the edge of the car floor,
A baseboard outer extension that extends from the upper end of the edge elevation to the outside of the cab , faces the side wall outer extension, and forms a side ventilation path with the side wall outer extension ;
An upper portion that extends upward from the outer end of the baseboard outer extension and faces the upper side extension of the side wall, and has an upper end that opens upward and a lower end that is connected to the side ventilation path. The baseboard upper extension that forms the ventilation path is integrally formed,
Elevator cab room device characterized by. The side wall is formed with an outer surface member partially extending to the outside of the cab as a lateral side surface,
In the longitudinal cross section including the outer surface member, the surface on the upper ventilation path side of the baseboard upper extension is retracted to the cab side than the outer end of the outer surface member;
The elevator cab apparatus according to claim 1 . Wherein disposed on the side ventilation passage or upward ventilation path, a closing device for closing the upper side ventilation passage expands been heated, and operates when needed, further comprising a controller for commanding the expansion of the occlusion device The elevator cab apparatus according to any one of claims 1 to 2 . A ceiling plate provided to cover the upper end of the side wall; a ventilation fan disposed on the ceiling plate and opposed to a vent hole provided in the ceiling plate; and the vent formed on a mounting portion of the ventilation fan. any one of claims 1 to 3, wherein the ventilating fan occlusion device for occluding the air passage leading to the pores, further comprising a controller for commanding the closing operation of the ventilating fan occlusion device operates when needed The elevator cab apparatus described in one. Any of claims 1 to 4, characterized in that it comprises a closing surface provided on closed they form the inner corner portion formed by the base portion lower surface of the outer surface and the skirting outer extension portion of the edge elevation The elevator cab apparatus as described in one.

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