JP2001294384A - Elevator cab - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an elevator cab hardly transmitting noise of an operating apparatus arranged in the vicinity of a hoistway and making the cab inside silent in lifting/lowering a car. SOLUTION: A wall plate 12 having a vent hole 17 in the lower edge part is raised from a car floor 10, and a ceiling plate 13 having a ventilation device is installed in the upper end. A reinforcing member 19 having a groove shaped cross section at least is installed on the back face of the wall plate 12 with its longitudinal direction arranged vertically. Consequently, a vent passage 21, in which the lower end is communicated with the vent hole 17 by means of the wall plate 12, the back face and the reinforcing member 19 while the upper end is communicated with the outside air, is formed. In this way, air flow by the ventilation device flows from the upper part of a cab 9 to the outside via the vent hole 17 and the vent passage 21. No opening part facing to the hoistway side face is arranged in the cab 9 lower part, so that propagation of noise from the operating apparatus such as a hoist machine is reduced inside the cab 9.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator cab in which a ceiling plate is provided with a ventilation device, and a ceiling plate is mounted on an upper end of a wall plate standing upright from a car floor.

[0002]

2. Description of the Related Art FIGS. 5 and 6 show a conventional elevator cab, FIG. 5 is an elevational view conceptually showing the elevator, and FIG. 6 is an enlarged vertical sectional view of the cab of FIG. . In the figure, 1 is a hoistway of an elevator, 2 is a car that moves up and down a predetermined route of the hoistway 1, 3 is a hoisting machine installed on the bottom of the hoistway 1, and 4 is a car that is installed on the bottom of the hoistway 1. The car shock absorbers 5 arranged at two opposing positions are counterweights for moving up and down another predetermined path of the hoistway 1.

Reference numeral 6 denotes a counterweight which is installed on the bottom surface of the hoistway 1 and is located at a position facing the counterweight 5.
Is a pulley installed on the ceiling surface of the hoistway 1 and spaced apart from the hoisting machine 3 at a position facing away from the hoisting machine 3. Reference numeral 8 denotes a main rope, one end of which is connected to the ceiling surface of the hoistway 1 and descends to balance the weight 5. Is wound around one of the pulleys, rises, is wound around one of the pulleys 7 and descends, is wound around the drive sheave of the hoisting machine 3 and rises, and is wound around the other pulley 7 and descends. The other end is connected to the ceiling of the hoistway 1.

[0004] The reference numeral 9 denotes a cab constituting a car 2 and a car floor 1.
0, a wall plate 12 erected on a skirting board of a car floor 10 with a spacing piece 11 therebetween, and a ceiling plate 13 mounted on an upper end of the wall plate 12
And a ventilation device 14 provided on the ceiling plate 13. Reference numeral 15 denotes a ventilation hole formed between the car floor 10 and the wall plate 12 by the spacing piece 11.

[0005] The conventional elevator cab is constructed as described above, the hoist 3 is energized, the drive sheave rotates, the main rope 8 is driven, and the car 2 and the counterweight 5 move in opposite directions. Go up and down. In the cab 9, the ventilation device 1
4 is urged to be blown in the direction of arrow A shown in FIG.

[0006]

In the conventional elevator cab as described above, a ventilation hole 15 is provided at a lower portion of the cab 9 and is arranged so as to face the side surface of the hoistway 1 so as to open. For this reason, the noise of the hoisting machine 3 or a control panel (not shown) installed on the bottom surface of the hoistway 1 in the vicinity of the hoisting machine 3 having a large operating noise during operation of the elevator is generated by the ventilation holes 15. Through the car room 9. Therefore, there is a problem that the sense of calm in the car room 9 when the car 2 is raised and lowered is impaired.

The present invention has been made in order to solve such a problem, and an object of the present invention is to provide an elevator cab in which noise of driving equipment installed near a hoistway is difficult to be transmitted.

[0008]

SUMMARY OF THE INVENTION In an elevator cab according to the present invention, a ventilation device provided on a ceiling plate, a ceiling plate mounted on the car floor at the upper end thereof, and a vent hole on a lower edge portion. A wall plate provided with, a cross section is formed at least in a groove shape, the length is arranged in the up and down direction and mounted on the back surface of the wall plate, the lower end communicates with the vent hole, and the upper end communicates with the outside air. And a reinforcing material formed on the back surface of the wall plate.

Further, in the elevator cab according to the present invention, a sound absorbing material is provided on the inner surface of the member forming the ventilation path.

Further, in the elevator cab according to the present invention, the elevator cab is formed in the shape of an armored window and is disposed at the lower edge of the surface of the wall plate so as to correspond to the ventilation hole communicating with the ventilation path. A reinforcement having an opening communicating with the ventilation path is provided.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 1 and 2
FIG. 1 is a view showing an example of an embodiment of the present invention. FIG. 1 is a view corresponding to the main part of FIG. 6 described above, and FIG. 2 is a cross-sectional plan view of the wall plate of FIG. Except for FIGS. 1 and 2, an elevator is configured in the same manner as in FIGS. 5 and 6 described above. In the drawing, reference numeral 9 denotes a car room constituting the car 2, a car floor 10, a wall plate 12 erected on a flange portion 16 of an upper edge of a skirting board formed on the car floor 10, and an upper end of the wall plate 12. Is constituted by a ceiling plate 13 attached to the ceiling.

Reference numeral 17 denotes a ventilation hole, which is provided in the wall plate 12 and opens in the lower bending portion 18 of the wall plate 12 disposed on the flange portion 16 of the car floor 10. It is provided between the front side. Reference numeral 19 denotes a reinforcing material, which is made of hat-shaped steel, has a cross section formed in a groove shape, and has a longitudinally arranged longitudinal direction. A flange portion is attached to the back surface of the wall plate 12 and is arranged so as to surround the ventilation hole 17. Wallboard 12
And a gap is formed between the upper refraction portion 20 and the upper refraction portion 20. Reference numeral 21 denotes an air passage formed between the rear surface of the wall plate 12 and the groove of the reinforcing member 19 and formed between the vent hole 17 and the upper end of the reinforcing member 19.

In the elevator cab constructed as described above, the hoisting machine 3 is energized to rotate the drive sheave and drive the main rope 8 in the same manner as in the elevator of FIGS. 5 and 6 described above. The car 2 and the counterweight 5 move up and down in opposite directions. Further, the ventilation device 14 is urged in the cab 9 and is blown in the direction of arrow A shown in FIG.
The air is exhausted from the upper end of the reinforcing member 19 to the outside of the car room 9 through the ventilation path 21.

An opening communicating with the outside air in the car room 9 is formed at the upper end of the reinforcing member 19 forming the ventilation path 21. Therefore, there is no opening which is arranged at the lower part of the car room 9 and opposes the side surface of the hoistway 1, and the hoisting machine 3 or the hoisting machine 3 which is close to the hoisting machine 3 with a large operating sound during the operation of the elevator. It is difficult for the noise of operating equipment such as a control panel installed in the car room 9 to propagate into the car room 9. Therefore, the ventilation path 21
With the silencer function of the car 2, the inside of the car room 9 when the car 2 moves up and down can be silenced.

It should be noted that, regardless of whether the reinforcing member 19 is formed in a cross-sectional shape such as a semicircle, a triangle, or a corrugated shape, or formed of a tubular body such as a square pipe, FIGS. The operation in the embodiment of FIG. 2 can be obtained. Further, even if the ventilator 14 has a configuration in which the outside air is sucked in from the ventilation path 21 and exhausted from the ceiling plate 13 side to the outside of the cab 9, the operation in the embodiment of FIGS. 1 and 2 can be obtained. Can be.

Also, in the case of a configuration in which operating equipment such as a hoisting machine 3 is provided outside the hoistway 1, or in the case of an elevator operated at high speed, the embodiment shown in FIGS. Similarly, the cab 9 is configured. Even in such a configuration, the operation of the embodiment shown in FIGS. 1 and 2 can be obtained.

Embodiment 2 FIG. FIG. 3 is a diagram corresponding to FIG. 2, showing an example of another embodiment of the present invention. Except for FIG. 3, an elevator is configured similarly to the above-described embodiment of FIGS. In the drawings, the same reference numerals as those in FIGS. 1 and 2 denote corresponding parts, and reference numeral 22 denotes a sound absorbing material made of a foamed resin material or the like, which is attached to the inner surface of the reinforcing member 19 forming the ventilation path 21 and the back surface of the wall plate 12. I have.

In the elevator cab constructed as described above, an opening communicating with the outside air is formed at the upper end of the reinforcing member 19 forming the ventilation path 21. Therefore, although detailed description is omitted, the same operation as the embodiment of FIGS. 1 and 2 can be obtained in the embodiment of FIG. Further, since the noise propagating in the ventilation path 21 is absorbed by the sound absorbing material 22, the inside of the car room 9 when the car 2 is moved up and down can be further silenced.

Embodiment 3 FIG. 4 is a diagram corresponding to FIG. 1 showing an example of another embodiment of the present invention. Except for FIG. 4, an elevator is configured similarly to the above-described embodiment of FIG. 1 and FIG. In the figures, the same reference numerals as those in FIGS. 1 and 2 denote corresponding parts, and reference numeral 23 denotes a ventilation hole, which is provided at the lower edge of the surface of the wall plate 12 and is communicated with the ventilation passage 21 to form a window-like shape. It is configured. 24 is a reinforcing material 19
Is an opening provided at the upper end of the air passage and communicating with the ventilation path 21.

In the elevator cab constructed as described above, the opening 24 communicating with the outside air is formed at the upper end of the reinforcing member 19 forming the ventilation path 21. Therefore, although detailed description is omitted, the embodiment of FIG.
The same operation as the embodiment of FIG. 2 can be obtained. Also,
Since the ventilation holes 23 at the lower edge of the wall plate 12 are formed in the shape of a window, it is possible to reduce noise propagating into the car room 9. In addition, the noise transmitted to the inside of the car room 9 can be further reduced by providing the opening 24 in the shape of a suitable window.

[0021]

As described above, the present invention provides a ventilation device provided on a ceiling plate, a wall standing upright from a car floor, a ceiling plate mounted on an upper end, and a ventilation hole provided on a lower edge portion. A plate and a cross-section are formed at least in a groove shape, the length is arranged in the up-down direction, and attached to the back of the wall plate, the lower end communicates with the ventilation hole and the upper end forms an air passage communicating with the outside air on the back of the wall plate. And provided reinforcing material.

Thus, the airflow from the ventilator flows from the upper end of the reinforcing member to the outside of the car through the ventilation holes and the ventilation paths.
And since there is no opening facing the side of the hoistway that is located at the lower part of the car room, the operation installed near the hoistway such as a hoisting machine or a control panel with a large operating noise when operating the elevator It is difficult for the noise of the equipment to propagate into the car room. Therefore, in combination with the silencer function by the ventilation path, there is an effect of making the car room quiet when the car is raised and lowered.

Further, as described above, the present invention has a sound absorbing material provided on the inner surface of the member forming the ventilation path.

Thus, the airflow from the ventilator flows from the upper end of the reinforcing member to the outside of the car through the ventilation holes and the ventilation paths.
And since there is no opening facing the side of the hoistway that is located at the lower part of the car room, the operation installed near the hoistway such as a hoisting machine or a control panel with a large operating noise when operating the elevator It is difficult for the noise of the equipment to propagate into the car room. Therefore, in combination with the silencer function by the ventilation path, there is an effect of making the car room quiet when the car is raised and lowered. In addition, since the sound absorbing material is attached to the inner surface of the ventilation path, the noise propagating in the ventilation path is absorbed, which has the effect of making the car room more quiet when the car moves up and down.

Further, as described above, the present invention is arranged in the shape of an armored window, is disposed at the lower edge of the wall plate surface, and is disposed corresponding to the ventilation hole communicating with the ventilation path, and the upper end has a ventilation hole. A reinforcing member having an opening communicating with a road is provided.

Thus, the airflow from the ventilator flows through the ventilation holes and the ventilation path from the opening at the upper end of the reinforcing member to the outside of the car. And since there is no opening facing the side of the hoistway that is located at the lower part of the car room, the operation installed near the hoistway such as a hoisting machine or a control panel with a large operating noise when operating the elevator It is difficult for the noise of the equipment to propagate into the car room. Therefore, in combination with the silencer function by the ventilation path, there is an effect of making the car room quiet when the car is raised and lowered. In addition, since the ventilation hole at the lower edge of the wall plate is formed in a window shape, noise transmitted to the car room can be reduced, and the car room can be further quieted when the car moves up and down.

[Brief description of the drawings]

FIG. 1 is a view showing a first embodiment of the present invention and corresponds to a main part of FIG. 6 described later.

FIG. 2 is a cross-sectional plan view of the wall plate of FIG.

FIG. 3 is a view showing a second embodiment of the present invention, and is a view corresponding to FIG. 2;

FIG. 4 is a view showing a third embodiment of the present invention, and is a view corresponding to FIG. 1;

FIG. 5 is an elevation view conceptually showing an elevator.

FIG. 6 is a diagram showing a conventional elevator cab, and FIG.
Enlarged vertical sectional view of the car room.

[Explanation of symbols]

10 car floor, 12 wall board, 13 ceiling board, 14 ventilator, 17 vent, 19 reinforcing material, 21 ventilation path, 2
2 sound absorbing material, 23 vents, 24 openings.

 ────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Nobuhiro Nishimura 2-3-2 Marunouchi, Chiyoda-ku, Tokyo Mitsubishi Electric Corporation F-term (reference) 3F306 AA06 AA13 CA11 CB04 CB06 CB56

Claims (3)

[Claims] 1. A ventilation device provided on a ceiling plate, a wall plate standing upright from a car floor, having the ceiling plate mounted on an upper end thereof, and having a ventilation hole provided on a lower edge portion, and a cross section having at least a groove. A reinforcing member formed on the back surface of the wall plate is formed into a shape, the length is disposed in the up and down direction, mounted on the back surface of the wall plate, the lower end portion communicates with the ventilation hole and the upper end communicates with the outside air on the back surface of the wall plate. Elevator cab provided. 2. The elevator cab according to claim 1, further comprising a sound absorbing material attached to an inner surface of a member forming the ventilation path. 3. An opening which is formed in an armored window shape and is provided at a lower edge portion of the surface of the wall plate so as to correspond to an air hole which communicates with the air passage, and an opening which communicates with the air passage at an upper end portion. The elevator cab according to any one of claims 1 and 2, wherein a part is provided.