JP2011162325A - Elevator car - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an elevator car capable of ventilating the inside of the car, capable of reducing nose in the car caused when the car lifts in a hoistway, and capable of restraining a change in atmospheric pressure in the car caused when the car lifts in the hoistway. <P>SOLUTION: This elevator car includes a compartment 1 having a car floor 2 and the ceiling 4 and an opening-closing device 32 arranged on the car floor 2. A ventilation passage for communicating the inside and outside of the compartment 1 is formed on the car floor 2, and the opening-closing device 32 opens-closes the ventilation passage. The car floor 2 includes a floorboard 11 forming a ventilation port 11a, a bottom plate 13 separately arranged downward from the floorboard 11 and forming a ventilation port 13a, and a beam member 14 connected to the floorboard 11 and the bottom plate 13. An air flow passage 19 for communicating the ventilation port 11a with the ventilation port 13a is formed from the floorboard 11, the bottom plate 13 and the beam member 14. The ventilation port 11a, the ventilation port 13a and the air flow passage 19 constitute the ventilation passage of the car floor 2. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an elevator car that moves up and down a hoistway.

  2. Description of the Related Art Conventionally, an elevator car provided with a baseboard to which a baseboard is attached is provided on the upper surface of a peripheral portion of a car floor. The skirting board is formed with a ventilation port that communicates the inside and outside of the car. As the car ascends and descends the hoistway, an air flow is generated around the car, and air enters and exits the car through the vents (see, for example, Patent Document 1).

International Publication No. WO2008 / 050390

  However, when the car goes up and down the hoistway, a wind noise is generated, and this wind noise is transmitted to the car through the ventilation opening, which increases the noise in the car. .

  Moreover, since the ventilation opening is always open, the atmospheric pressure in the car changes when the car moves up and down the hoistway. As a result, there is a problem in that the passenger is given uncomfortable feeling such as ear pain caused by a change in atmospheric pressure.

  This invention can ventilate the inside of the car, reduce the noise in the car when the car goes up and down the hoistway, and reduce the change in the air pressure inside the car when the car goes up and down the hoistway. An elevator car that can be restrained is provided.

  An elevator car according to the present invention includes a car room having a car floor and a ceiling, and an opening / closing device provided in the car room, and at least one of the car floor and the ceiling includes an inside / outside of the car room. A ventilation path is formed, and the opening / closing device opens and closes the ventilation path.

  According to the elevator car according to the present invention, since the opening / closing device opens and closes the ventilation path, the ventilation path can be closed when the car moves up and down the hoistway. As a result, it is possible to reduce the noise in the car that occurs when the car moves up and down the hoistway, and to suppress the change in atmospheric pressure that occurs when the car moves up and down the hoistway. Moreover, the inside of a cage | basket can be ventilated by opening a ventilation path.

It is a perspective view which shows the elevator car which concerns on Embodiment 1 of this invention. It is a longitudinal cross-sectional view which shows the lower end part of the cage | basket | car of FIG. It is the longitudinal cross-sectional view which expanded the principal part of the lower end part of the cage | basket | car of FIG. It is a longitudinal cross-sectional view which shows the lower end part of the cage | basket | car in the state where the ventilation path of FIG. 2 was opened. It is a perspective view which shows the lower end part of the cage | basket | car in the state where the ventilation path of FIG. 2 was opened. It is a longitudinal cross-sectional view which shows the lower end part of the elevator car which concerns on Embodiment 2 of this invention. It is a perspective view which shows the lower end part of the cage | basket | car of the elevator of FIG.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the drawings, the same or corresponding members and parts will be described with the same reference numerals.

Embodiment 1 FIG.
1 is a perspective view showing an elevator car according to Embodiment 1 of the present invention. In the figure, a car room 1 is provided in an elevator hoistway so that it can be raised and lowered. The car room 1 is supported by a car frame (not shown). The car room 1 includes a car floor 2, a wall 3 standing on the car floor 2, a ceiling 4 provided at the upper end of the wall 3, and a pair of car floor support frames 5 provided on the car floor 2. I have. The car floor 2 has a quadrangular shape when viewed from above. The wall 3 stands on the upper surface of the peripheral edge of the car floor 2. The wall 3 includes a front panel 7 in which an entrance / exit 6 is formed, a rear panel 8 facing the front panel 7 in the depth direction of the car floor 2, and a pair of side panels 9 facing each other in the width direction of the car floor 2. Have. The front panel 7 is provided with a car door 10 that opens and closes the entrance 6. The ceiling 4 is placed over the upper ends of the front panel 7, the back panel 8 and the side panel 9. The car floor support frame 5 is provided on the lower surface of both ends in the width direction of the car floor 2. The car floor support frame 5 extends in the depth direction of the car floor 2. The car frame includes a car lower frame provided below the car room 1, a car upper frame provided above the car room 1, and a car vertical frame connected to the car lower frame and the car upper frame. ing. The car floor support frame 5 is placed on the upper surface of the car lower frame.

  2 is a longitudinal sectional view showing a lower end portion of the car of FIG. 1, and FIG. 3 is an enlarged longitudinal sectional view of a main part of the lower end portion of the car of FIG. In the figure, the car floor 2 includes a floor board (inner board member) 11, a rug 12 superimposed on the upper surface of the floor board 11, a bottom board (outer board member) 13 provided away from the floor board 11, and the floor board 11. And a beam member (connecting member) 14 connected to the bottom plate 13 and a plurality of floor beam members (reinforcing members) 15 provided on the lower surface of the floor plate 11 to reinforce the floor plate 11.

  The rug 12 is not overlaid on the upper surface of the peripheral edge of the floor board 11, and the upper surface of the peripheral edge of the floor board 11 is exposed. A plurality of ventilation openings (first ventilation openings) 11a are formed on the peripheral edge of the floor board 11 except for the portion facing the entrance 6 (FIG. 1). The ventilation openings 11 a are arranged side by side along the outer peripheral side surface of the floor board 11.

  The bottom plate 13 is disposed to face the floor plate 11. A ventilation port (second ventilation port) 13 a is formed at the center in the width direction of the bottom plate 13. The ventilation port 13 a is formed extending in the depth direction of the bottom plate 13.

  As shown in FIG. 1, the beam member 14 includes a front beam 16 positioned below the front panel 7, a rear beam 17 positioned below the back panel 8, and a side beam 18 positioned below each side panel 9. And have. As shown in FIG. 2, an air flow path 19 that connects the ventilation port 11 a and the ventilation port 13 a is formed from the floor plate 11, the bottom plate 13, and the beam member 14.

  The floor beam members 15 are arranged in the width direction of the floor board 11. The floor beam member 15 is formed in a box shape having an upper end opened. The upper end portion of the floor beam member 15 is connected to the lower surface of the floor plate 11. The floor beam member 15 is formed to extend in the depth direction of the car floor 2.

  A baseboard 20 is provided on the upper surface of the peripheral edge of the floor board 11. The baseboard 20 is provided along the part of the front panel 7 excluding the doorway 6, the back panel 8, and the side panel 9. The baseboard 20 is erected on the upper surface of the peripheral edge of the floor board 11, and overlaps the upper surface of the peripheral edge of the floor board 11 and extends from the lower end of the erected part 21 toward the center of the floor board 11. The base portion 22, the facing portion 23 provided at the lower end portion of the standing portion 21 and facing the base portion 22, and the end portion of the facing portion 23 on the side away from the standing portion 21 and above the facing portion 23 And a mounting portion 25 provided at an intermediate portion in the vertical direction of the standing portion 21 and facing the base portion 22. A plurality of ventilation openings 22 a are formed in the base portion 22. The base portion 22 is arranged so that the ventilation port 22 a overlaps the ventilation port 11 a of the floor plate 11. A plurality of mounting portions 25 are arranged along the outer peripheral side surface of the floor board 11. A gap is formed between adjacent mounting portions 25 so that air can pass through.

  A plate-shaped baseboard 26 that covers the baseboard 20 from the inside of the cage is attached to the attachment portion 25. The baseboard 26 stands upright with respect to the floor board 11. The lower end of the baseboard 26 is located above the floor board 11 and the rug 12. The upper end portion of the baseboard 26 is located below the connection portion 24.

  The side panel 9 faces the inside of the car and connects to the inner wall plate 27 connected to the connecting portion 24 of the baseboard 20, and the outer wall plate that faces the outside of the car and is provided away from the inner wall plate 27 and faces the inner wall plate 27. 28. The outer wall plate 28 is connected to the floor plate 11. The inner wall plate 27 and the outer wall plate 28 face each other apart from each other. That is, the side panel 9 has a double structure. Although not shown, in this example, the front panel 7 and the back panel 8 also have a double structure like the side panel 9. Since the wall 3 has a double structure, the transmission of sound through the wall 3 into the car is reduced.

  The beam member 14 includes a lower extending portion 29 extending downward from the lower surface of the floor plate 11, a flat plate portion 30 that is stacked on the lower surface of the floor plate 11 and extends from the upper end portion of the lower extending portion 29 toward the center side of the floor plate 11, It has a facing portion 31 that is provided at the lower end portion of the lower extending portion 29 and faces the flat plate portion 30. A flat plate portion 30 is connected to the lower surface of the floor plate 11. The upper surface of the bottom plate 13 is connected to the lower surface of the facing portion 31. The flat plate portion 30 is formed with a ventilation port 30a. The flat plate portion 30 is disposed so that the ventilation port 30 a overlaps the ventilation port 11 a of the floor plate 11.

  The ventilation port 22a of the base portion 22 of the baseboard 20, the ventilation port 11a of the floor plate 11, the ventilation port 30a of the flat plate portion 30 of the beam member 14, the air flow path 19, and the ventilation port 13a of the bottom plate 13 are: A ventilation path of the car floor 2 that communicates the inside and outside of the car room 1 is configured.

  The bottom plate 13 is provided with an opening / closing device 32 for opening and closing the ventilation port 13a. The opening / closing device 32 includes a box member 33 having an opening 33 a formed at the upper end and an opening 33 b formed at the lower end, and a rotating shaft 34 provided at the lower end of the box member 33 and extending in the depth direction of the floor plate 11. And an opening / closing lid 35 attached to the rotating shaft 34 for opening / closing the opening 33b, and an opening / closing lid driving device (not shown) for rotating the rotating shaft 34 by driving. The upper end portion of the box member 33 is attached to the lower surface of the bottom plate 13 so that the opening portion 33a and the ventilation port 13a overlap each other.

  In a state where the opening / closing lid driving device is not driven, the opening 33b is opened. Therefore, when the power supply from the power source to the opening / closing lid driving device is interrupted, the opening 33b is opened. When the opening / closing lid driving device is driven, the rotation shaft 34 is rotated and the opening / closing lid 35 is rotated. As a result, the opening 33b is opened and closed. The opening / closing device 32 opens and closes the ventilation path of the car floor 2 by opening and closing the ventilation port 13a. The car (elevator car) includes a car room 1, a car frame, and an opening / closing device 32.

  Next, the operation of the elevator car according to Embodiment 1 of the present invention will be described. First, when the car is stopped, the opening 33b is opened, and the ventilation port 13a is opened. Thereafter, when the car moves up and down the hoistway, the opening / closing lid driving device is driven to rotate so that the opening / closing lid 35 is parallel to the floor plate 11, and the opening / closing lid 35 closes the opening 33b. As a result, the ventilation port 13 a is closed by the opening / closing device 32. As a result, the ventilation path of the car floor 2 is closed. Since the car moves up and down the hoistway in a state where the ventilation path of the car floor 2 is closed, noise in the car generated when the car moves up and down the hoistway is reduced. Moreover, the change of the atmospheric | air pressure in a cage | basket | car produced when a cage | basket | car raises / lowers a hoistway is suppressed.

  4 is a longitudinal sectional view showing a lower end portion of the car in a state where the ventilation path of FIG. 2 is opened, and FIG. 5 is a perspective view showing a lower end portion of the car in a state where the ventilation path of FIG. 2 is opened. When the raising / lowering car stops, the opening / closing lid driving device is driven, and the opening / closing lid 35 is tilted from the state parallel to the floor plate 11 to open the opening 33b. Thereby, the ventilation opening 13a opens. As a result, the ventilation path of the car floor 2 is opened, air enters and exits the car through the ventilation path, and the inside of the car is ventilated.

  As described above, according to the elevator car according to the first embodiment of the present invention, the opening / closing device 32 opens and closes the ventilation path of the car floor 2, so that when the car moves up and down the hoistway, the ventilation path is changed. Can be closed. As a result, it is possible to reduce the noise in the car that occurs when the car moves up and down the hoistway, and to suppress the change in atmospheric pressure that occurs when the car moves up and down the hoistway. In addition, when the car is stopped, the ventilation path of the car floor 2 is opened, so that the inside of the car can be ventilated.

  Moreover, since the opening / closing device 32 can close the ventilation path of the car floor 2, the atmospheric pressure in the car can be more reliably controlled when the atmospheric pressure control device for controlling the atmospheric pressure in the car is attached to the car. .

  Further, the car floor 2 includes a floor plate 11, a bottom plate 13 that is provided away from the floor plate 11 and faces the floor plate 11, and the floor plate 11 and a beam member 14 connected to the bottom plate 13. An air layer is formed between the bottom plate 13 and the bottom plate 13. This makes it difficult for the sound transmitted to the bottom plate 13 to be transmitted to the floor plate 11. As a result, the noise in the car can be reduced.

  Further, since the opening / closing device 32 is provided on the car floor 2, the thickness of the wall 3 can be reduced compared with the case where the opening / closing device 32 is provided on the wall 3, and the lateral width direction of the internal space of the car Alternatively, the dimension in the depth direction can be increased, and a space for installing an air conditioner or a pressure control device or the like on the ceiling 4 can be increased as compared with the case where the opening / closing device 32 is provided on the ceiling 4. .

  Further, since the car floor 2 further includes the floor beam member 15 that reinforces the floor plate 11, the strength of the car floor 2 can be improved.

  Moreover, since the ventilation port 22a is formed in the base part 22 of the baseboard 20, and the baseboard 20 is covered with the baseboard 26 from the inner side of the car, the design of the inner side of the car can be improved. .

Embodiment 2. FIG.
6 is a longitudinal sectional view showing a lower end portion of an elevator car according to Embodiment 2 of the present invention, and FIG. 7 is a perspective view showing a lower end portion of the elevator car shown in FIG. In the figure, each floor beam member 15 is joined to a floor plate 11 and a bottom plate 13. The floor beam member 15 is formed with a plurality of through holes 15a through which air can pass. Other configurations are the same as those in the first embodiment.

  As described above, according to the elevator car according to the second embodiment of the present invention, the floor beam member 15 is joined to the floor plate 11 and the bottom plate 13, and therefore the strength of the car floor 2 is further improved. Can do. As a result, the floor beam member 15 can be reduced in thickness, the car floor 2 can be reduced in thickness, the floor beam member 15 can be reduced in weight, and the weight of the cage can be reduced.

  Further, since the through beam 15a is formed in the floor beam member 15, it is possible to prevent the floor beam member 15 from obstructing the flow of air passing through the air flow path 19.

  In each of the above embodiments, an elevator car having a ventilation path formed on the car floor 2 has been described. However, an elevator car having a ventilation path formed on the wall 3 or the ceiling 4 may be used. In this case, an opening / closing device is provided on the wall 3 or the ceiling 4. Further, it may be an elevator car in which ventilation paths are formed in two or all of the car floor 2, the wall 3, and the ceiling 4. In this case, an opening / closing device is provided in each ventilation path.

  Moreover, in each said embodiment, the floor board 11 in which the ventilation hole 11a was formed, the bottom board 13 in which it was provided below the floor board 11, and the ventilation hole 13a was formed, and the beam member connected to the floor board 11 and the bottom board 13 Although the double floor car floor 2 having 14 is described as an example, a single floor car floor having the floor board 11 without the bottom plate 13 and the beam member 14 may be used.

  In each of the above embodiments, the opening / closing lid 35 that opens and closes the opening 33b by rotating about the rotation shaft 34 has been described. For example, the opening 33b opens and closes by moving back and forth toward the opening 33b. An opening / closing lid that opens and closes the opening 33b by sliding with respect to the box member 33 may be used.

  Moreover, in each said embodiment, although the structure which laminated | stacked the ventilation port 11a of the floor board 11 and the ventilation port 22a of the base part 22 of the baseboard 20 was demonstrated to the example, the ventilation hole 11a of the floor board 11 is formed. The base part 22 of the baseboard 20 may not be superposed on the portion where the base plate is placed. In this case, it is not necessary to form the ventilation port 22 a in the base portion 22 of the baseboard 20.

  Moreover, although each said embodiment demonstrated the structure which the opening / closing device 32 opens and closes the ventilation opening 13a of the baseplate 13, the structure which the opening / closing device 32 opens and closes the ventilation opening 11a of the floor board 11, for example, or an air flow path 19 may be configured to open and close 19.

  1 Car Room, 2 Car Floors, 3 Walls, 4 Ceilings, 5 Car Floor Support Frames, 6 Entrances, 7 Front Panels, 8 Back Panels, 9 Side Panels, 10 Car Doors, 11 Floor Plates (Inner Plate Members), 11a Ventilation Ports (First ventilation port), 12 rugs, 13 bottom plate (outer plate member), 13a ventilation port (second ventilation port), 14 beam member (connection member), 15 floor beam member (reinforcing member), 15a through hole , 16 Front beam, 17 Rear beam, 18 Side beam, 19 Air flow path, 20 Baseboard, 21 Standing part, 22 Base part, 22a Ventilation port, 23 Opposing part, 24 Connection part, 25 Mounting part, 26 Width Wood, 27 Inner wall plate, 28 Outer wall plate, 29 Lower extension part, 30 Flat plate part, 30a Ventilation port, 31 Opposing part, 32 Opening / closing device, 33 Box member, 33a Opening part, 33b Opening part, 34 Rotating shaft, 35 Opening / closing lid .

Claims (5)

A cab with a car floor and ceiling; and
An opening and closing device provided in the car room,
At least one of the car floor and the ceiling is formed with a ventilation path communicating between the inside and outside of the car room,
The elevator car characterized in that the opening and closing device opens and closes the ventilation path. At least one of the car floor and the ceiling where the ventilation path is formed is provided apart from the inner plate member where the first ventilation port is formed, and the inner plate member, and faces the inner plate member, An outer plate member in which a second ventilation port is formed; a connection member connected to the inner plate member and the outer plate member; from the inner plate member, the outer plate member, and the connection member; An air flow path communicating the first ventilation port and the second ventilation port is formed;
The elevator car according to claim 1, wherein the first ventilation port, the second ventilation port, and the air flow path constitute the ventilation path.   The elevator car according to claim 2, wherein at least one of the car floor and the ceiling in which the ventilation path is formed further includes a reinforcing member that reinforces the inner plate member.   The elevator car according to claim 3, wherein the reinforcing member is joined to the inner plate member and the outer plate member.   The elevator car according to claim 4, wherein the reinforcing member is formed with a through-hole through which air can pass.

Images