KR101709023B1 - Elevator car ceiling device - Google Patents

Abstract

In the elevator car room ceiling device of the elevator, the safety switch 20 is provided at the edge portion of the exit port 15a of the canopy body 15. The lock member 18 is provided on the exit port cover 16 so as to be rotatable between a lock position for locking the exit port cover 16 to the full closed position and a release position for releasing the lock. The lock member 18 is provided with a switch engaging portion 18a engaged with the safety switch 20 when in the locked position. By disengaging the switch engaging portion 18a from the safety switch 20, the contact of the safety switch 20 is opened.

Description

[0001] ELEVATOR CAR CEILING DEVICE [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator car room ceiling device for an elevator in which a canopy is provided with a relief port and a relief port is opened and closed by a relief port cover.

In a conventional elevator provided with an exit port on the ceiling of an elevator car room, a device such as a lighting device and a ventilating device is mounted on a exit port cover for opening and closing the exit port (see, for example, Patent Document 1).

In addition, for example, in EN81-1 (European regulation) or GB (Chinese regulation), the exit port cover is locked by a lock device so that the exit port cover is not opened from the inside of the car compartment by a general passenger Is required. The lock of the exit port cover is released by a worker such as a firefighter or the like by operating the lock device on the elevator car, thereby making it possible to open the port port cover. In addition, when the lock by the lock device is released, the contact of the safety circuit switch is opened, and automatic operation of the car is prohibited.

In addition, the locking device is provided with a key operating section (triangular key) in case the exit port cover is closed when the worker has entered the elevator car room from the escape port. The locking by the locking device can be released by engaging (engaging and fitting) a dedicated key from the inside of the car compartment to the key operating section and performing a rotating operation.

Patent Document 1: JP-A-6-340386

In the conventional elevator as described above, by providing the lock device on the exit port cover, the size and layout of the lighting device and the ventilation device are restricted, and the degree of freedom of design is lowered. Especially, when the size of the escape port is limited (for example, 350 mm x 500 mm), the space for installing the lighting device or the ventilation device is limited.

The object of the present invention is to provide an elevator car ceiling device for an elevator capable of effectively arranging a lock device and improving the degree of freedom of layout of equipment installed in a port outlet lid .

An elevator car room ceiling device of an elevator according to the present invention includes a canopy main body provided with a relief port and a canopy main body provided with a relief port cover for opening and closing a relief port, And a lock member which is displaceable between a lock position for locking the exit port cover to the fully closed position and a release position for releasing the lock and a lock member for releasing the lock member from the inside of the car compartment by a dedicated key And a locking device provided on the canopy. The safety switch is provided at an edge portion of a delivery port of the canopy main body. The safety switch is provided on the canopy main body. The safety switch has a safety switch for restricting the elevation of the car according to the position of the locking member , The lock member is rotatably provided on the exit port cover, and the lock member is provided with a switch engaging portion engaging with the safety switch when in the lock position, They also offer, by the engagement of the engaging portion to switch a safety switch is turned off, it opens the contacts of the safety switch.

The elevator car ceiling device of the elevator according to the present invention is characterized in that the elevator car ceiling device includes a canopy main body provided with an exit port, a canopy provided with a canopy main body and having an exit port cover for opening and closing the exit port, A locking member capable of being displaced between a locking position for mechanically blocking and a releasing position for releasing the lock; a key operating section for operating the locking member from the inside of the car compartment by a dedicated key; And a lock device provided on the canopy. The safety switch is provided at an edge portion of the exit port cover, and the lock member is slidable along the edge portion of the exit port cover Wherein the locking member is provided with a locking member which engages the safety switch when in the locked position And a stopper portion which interlocks with the canopy main body when the lock member is in the lock position and stops the opening of the exit port cover, wherein the canopy body is provided with a cutout portion for allowing passage of the stopper portion when the lock member is in the release position, The contact of the safety switch is opened by releasing the engagement of the switch engagement portion with the safety switch.

The elevator car ceiling device of the elevator of the present invention is characterized in that the locking member is provided with a switch engaging portion, the switch engaging portion is engaged with the safety switch when the locking member is in the locking position, the engagement of the switch engaging portion with the safety switch is released, The contact of the safety switch is opened and the lock of the exit port cover is released so that the locking device can be efficiently disposed and the degree of freedom of the layout of the device installed in the port exit port cover can be improved.

1 is a configuration diagram showing an elevator according to Embodiment 1 of the present invention.
2 is a sectional view of the elevator car room of Fig.
Fig. 3 is a plan view showing the elevator car room of Fig. 2; Fig.
4 is an enlarged plan view showing the IV portion of Fig.
Fig. 5 is a right side view showing the locking device of Fig. 4;
Fig. 6 is a plan view showing a state in which the lock is released by the lock device of Fig. 4;
Fig. 7 is a plan view showing a main portion of an elevator car ceiling device of an elevator according to Embodiment 2 of the present invention. Fig.
8 is a plan view showing a state in which the lock is released by the lock device in Fig.
9 is a sectional view taken along the line IX-IX in Fig.
10 is a sectional view taken along the line X-X in Fig.

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.

Embodiment 1

1 is a configuration diagram showing an elevator according to Embodiment 1 of the present invention. In the drawing, a machine room 2 is provided at an upper portion of a hoistway 1. The machine room 2 is provided with a traction machine (driving device) 3, a deflector sheave 4 and an elevator control device (control panel) The traction machine 3 has a drive sheave 6, a traction machine motor (not shown) for rotating the drive sheave 6, and a traction machine brake (not shown) for braking the rotation of the drive sheave 6 .

The suspension body 7 is wound around the driving sheave 6 and the deflector sheave 4. As the suspension member 7, a plurality of ropes or a plurality of belts are used. An elevator car (8) is connected to the first end of the suspension (7). A balance weight 9 is connected to the second end of the suspension member 7.

The elevator car 8 and the balance weight 9 are suspended in the hoistway 1 by the suspension member 7 and are lifted and lowered in the hoistway 1 by the hoisting machine 3. The elevator control device (5) controls the operation of the elevator car (8) by controlling the hoisting machine (3).

A pair of car guide rails (not shown) for guiding the elevator car 8 up and down and a pair of counterweight guide rails (not shown) for guiding the elevation of the balance weight 9 are provided in the hoistway 1 ) Is installed.

The elevator car 8 has an elevator car frame 10 to which a suspension body 7 is connected and an elevator car room 11 supported by the elevator car frame 10. A pair of elevator car doors 12 as elevator doors are provided on the front surface of the elevator car room 11. [

A pair of platform doors 13 are provided on the plurality of floors. The landing door 13 is opened and closed by interlocking with the elevator car door 12 by engaging the elevator car door 12 when the elevator car 8 is concealed.

Fig. 2 is a sectional view of the elevator car room 11 of Fig. 1, and Fig. 3 is a plan view of the elevator car room 11 of Fig. On the upper part of the elevator car 11, a canopy 14 is provided. The canopy 14 has a canopy body 15 and a rectangular exit port cover 16 which is rotatably provided on the canopy body 15. [ The canopy body 15 is provided with an exit port 15a. The exit port (15a) is opened and closed by the exit port cover (16). The canopy 14 is connected to and supported by the upper ends of a plurality of elevator car room walls 11a provided on the front, rear and right and left side surfaces of the elevator car room 11. [

The canopy 14 is provided with a lock device 17 for locking the exit port cover 16 to the fully closed position. The lock device 17 is provided with an edge portion of the exit port 15a of the canopy body 15 and an edge portion of the exit port cover 16. [ Locking of the exit port cover 16 by the lock device 17 is manually released by operating the lock device 17 on the canopy 14 by a worker such as a firefighter or the like, (16) can be rotated upward.

Fig. 4 is an enlarged plan view of the portion IV in Fig. 3, Fig. 5 is a right side view showing the lock device 17 in Fig. 4, Fig. 6 is a plan view showing a state in which the lock device 17 in Fig. to be.

The lock device 17 is a lock member (lock lever) capable of being displaced between a lock position (FIG. 4) for mechanically locking the exit port cover 16 to the full closed position and a release position A key operating portion 19 for operating the lock member 18 from the inside of the elevator car 11 by a dedicated key (not shown) 8 for controlling the lifting and lowering of the vehicle.

The safety switch 20 is provided at the edge portion of the exit port 15a of the canopy body 15 (the edge portion on the opposite side of the rotation axis of the exit port cover 16). A safety switch fixing member 21 for fixing the safety switch 20 is fixed to the lower surface of the upper plate of the canopy body 15. The safety switch 20 is disposed on the lower side of the upper plate of the canopy body 15. 4) of the safety switch 20 is larger than the dimension in the direction perpendicular to the axial direction and the safety switch 20 is arranged such that the axial direction of the safety switch 20 is located at the edge of the exit port 15a And is arranged so as to be parallel with the portion.

The lock member 18 is rotatably provided at the edge portion of the exit port cover 16 adjacent to the safety switch 20. The key operating portion 19 is provided on the rotating shaft of the lock member 18. [ In this example, a triangular key is used as the key operation unit 19. [ A cover 22 is fixed to a lower surface (back surface) of the exit port cover 16 so as to cover the lock member 18 from the inside of the elevator car chamber 11 so as not to be seen.

The mouth exit lid 16 is provided with an opening (long hole) 16a for manually operating the lock member 18 from the canopy 14. A switch insertion portion 18a as a switch engaging portion inserted into the safety switch 20 when the lock member 18 is in the lock position is provided at the tip end of the lock member 18. [ At the longitudinal end of the safety switch 20, there is provided an insertion port 20a into which the switch insertion portion 18a is inserted.

When the switch insertion portion 18a is inserted into the insertion opening 20a, the contact of the safety switch 20 is closed and the elevator car 8 can be raised and lowered. Conversely, the switch insertion portion 18a is pulled out from the insertion port 20a, so that the contact of the safety switch 20 is opened and the automatic operation of the car 8 is inhibited.

The lock member 18 can also be rotated to the full-closed position shown by the two-dot chain line in Fig. 6 when the exit port cover 16 is opened. At the full closing inhibition position, the lock member 18 interferes with the safety switch 20, thereby preventing the exit port cover 16 from being completely closed.

Next, the operation will be described. At the time of normal operation, the exit port cover 16 is completely closed, and the lock member 18 is in the lock position. Therefore, the switch insertion portion 18a is inserted into the insertion opening 20a, and the elevation of the elevator car 8 is permitted. In this state, the hoisting machine 3 is controlled by the elevator control device 5, and the elevator car 8 is elevated.

On the other hand, when the passenger in the elevator car 11 needs to be removed from the exit 15a for some reason, the worker moves from the landing on the elevator car 8. [ Then, the lock member 18 is rotated to the release position through the opening 16a. Thereby, the lock by the lock device 17 is released, and as shown by the two-dot chain line in Fig. 5, the exit port cover 16 can be opened upward. In this state, since the contact of the safety switch 20 is open, the automatic operation of the car 8 is prohibited.

The bulb outlet cover 16 is opened to a predetermined position so that the bulb outlet 15a is opened and then the illumination cover disposed at the lower portion of the bulb outlet cover 16 is removed, ) Communicates with the elevator car (8) through the outlet port (15a), thereby enabling the passenger to be rescued.

If the exit port cover 16 is closed and the lock member 18 interferes with the canopy body 15 after the worker has entered the elevator car 11 from the exit port 15a, When the key has been pivoted, a dedicated key carried by the worker is fitted (fitted and fitted) to the key operating section 19 and the key operating section 19 is rotated. As a result, the lock member 18 can be rotated to the release position, and the exit port cover 16 can be pushed up from the inside of the elevator car chamber 11 to be opened.

In the elevator car ceiling device of this elevator, the safety switch 20 and the lock member 18 are divided into the canopy body 15 and the exit port lid 16 and the switch insertion portion 18a Release of the exit port cover 16 and opening and closing of the contact of the safety switch 20 are performed by rotating the lock member 18 so that the lock device 17 is efficiently arranged So that the space can be saved.

As a result, it is possible to secure a large space in the exit port cover 16 and to improve the degree of freedom of the layout (lamp arrangement, etc.) of the device provided in the exit port cover 16. [ In addition, reduction in design load and improvement in designability can be achieved.

When the lock member 18 is pivoted to the full-closed position at the time of opening of the exit port 15a, it is possible to prevent the exit port cover 16 from being completely closed by mistake.

Embodiment 2 Fig.

7 is a plan view showing a main part of an elevator car ceiling device of an elevator according to a second embodiment of the present invention. Fig. 8 is a plan view showing a state in which the lock is released by the locking device of Fig. 8 is a cross-sectional view taken along the line IX-IX, and Fig. 10 is a cross-sectional view taken along the line X-X in Fig.

In the second embodiment, the same safety switch 20 as that of the first embodiment is provided at the edge of the exit port cover 16. A safety switch fixing member 23 for fixing the safety switch 20 is fixed to a lower surface of the exit port cover 16.

The lock member (lock lever) 24 is provided on the exit port cover 16 so as to be slidable along the edge portion of the exit port cover 16. The lock member 24 is displaced between a lock position (FIG. 7) for mechanically locking the exit port cover 16 to the full-closed position and a release position (FIG. 8) for releasing the lock. A guide rail 25 for guiding the slide of the lock member 24 is fixed to a lower surface of the exit port cover 16.

The lock member 24 is provided with a switch insertion portion 24a as a switch engaging portion to be inserted into the insertion port 20a of the safety switch 20 when the lock member 24 is in the lock position, A stopper portion (convex portion) 24b for preventing the opening of the outlet cover 16 and a bent portion 24c (FIG. 9) for engaging the guide rail 25 are provided.

A cutout portion (concave portion) 15b for allowing the stopper portion 24b to pass therethrough is provided at the edge portion of the exit 15a of the canopy body 15 when the lock member 24 is in the release position .

A crank mechanism 26 is connected between the key operating portion 19 and the lock member 24. When an operation force is input to the key operation unit 19, the lock member 24 is transmitted to the lock member 24 through the crank mechanism 26, and the lock member 24 is slid. A cover (not shown) is fixed on the lower surface of the exit port cover 16 so as to cover the lock member 24 and the crank mechanism 26 so as not to be seen from the inside of the elevator car chamber 11. [

A shield plate spring 27 as a shielding member is mounted on the exit port cover 16. The canopy body 15 is provided with a presser 28 for elastically deforming the shield plate spring 27 by abutting against the shield plate spring 27 when the exit port cover 16 is completely closed.

When the exit port cover 16 is opened and the shielding leaf spring 27 moves away from the spring presser 28, the shield leaf spring 27 which has been elastically deformed is restored to the shape before the deformation. At this time, as shown by the two-dot chain line in Fig. 10, the shield plate spring 27 is configured to cross the front of the insertion port 20a.

That is, the shielding plate spring 27 is located between the safety switch 20 and the lock member 24 when the exit port cover 16 is opened, and the switch insertion portion 24a is inserted into the insertion port 20a Thereby preventing insertion. The shield plate spring 27 is resiliently deformed by the spring presser 28 when the exit port cover 16 is completely closed to permit insertion of the switch insertion portion 24a into the insertion port 20a .

The locking device 29 of the second embodiment is provided with the locking member 24, the guide rail 25, the crank mechanism 26, the shielding leaf spring 27, the spring presser 28, the key operating section 19, And has a switch 20. The other configuration is the same as that of the first embodiment.

Next, the operation will be described. At the time of normal operation, the exit port cover 16 is completely closed, and the lock member 24 is in the lock position. Therefore, the switch insertion portion 24a is inserted into the insertion opening 20a, and the elevation of the elevator car 8 is permitted. In this state, the hoisting machine 3 is controlled by the elevator control device 5, and the elevator car 8 is elevated.

On the other hand, when the passenger in the elevator car 11 needs to be removed from the exit 15a for some reason, the worker moves from the landing on the elevator car 8. [ Then, the lock member 24 is slid to the release position through the opening 16a. Thereby, the lock by the lock device 29 is released, and the exit port cover 16 can be opened upward. In this state, since the contact of the safety switch 20 is open, the automatic operation of the car 8 is prohibited.

The bulb outlet cover 16 is opened to a predetermined position so that the bulb outlet 15a is opened and then the illumination cover disposed at the lower portion of the bulb outlet cover 16 is removed, ) Communicates with the elevator car (8) through the outlet port (15a), thereby enabling the passenger to be rescued.

If the exit port cover 16 is closed and the lock member 24 interferes with the canopy body 15 after the worker has entered the elevator car 11 from the exit port 15a, In the case of being slid, a dedicated key carried by the worker is fitted to the key operating section 19 and the key operating section 19 is rotated. Thereby, the lock member 24 can be slid to the release position, and the exit port cover 16 can be pushed up from the inside of the elevator car chamber 11 to be opened.

In the elevator car room ceiling device of this elevator, the safety switch 20, the lock member 24 and the crank mechanism 26 are disposed at the edge portion of the exit port cover 16, The lock member 24 is slid in the lengthwise direction of the safety switch 20 so that the opening and closing of the exit port cover 16 and the opening and closing of the contact of the safety switch 20 are performed It is possible to efficiently arrange the lock device 29 and to save space.

As a result, it is possible to secure a large space in the exit port cover 16 and to improve the degree of freedom of layout of the device provided in the port exit port cover 16. [ In addition, reduction in design load and improvement in designability can be achieved.

In addition, by releasing the lock member 24 from the release position when the exit port 15a is opened, it is possible to prevent the exit port cover 16 from being accidentally completely closed.

In addition, since the shield plate spring 27 is provided on the exit port cover 16, it is possible to prevent the contact of the safety switch 20 from being erroneously closed when the exit port cover 16 is opened.

In the above example, the switch insertion portions 18a and 24a are inserted into the insertion port 20a when the lock members 18 and 24 are displaced to the lock position. However, The structure for opening and closing the contact is not limited thereto. That is, the switch engaging portion is not limited to the switch inserting portions 18a and 24a.

The type of elevator apparatus to which the present invention is applied is not limited to the type shown in Fig. For example, the present invention can be applied to an elevator without a machine room, an elevator device with a multi-car system, or a double deck elevator.

In addition, the position and the number of elevator devices such as the hoisting machine 3, the elevator control device 5, the suspension body 7, and the balance weight 9 are not limited to the above examples. For example, the present invention can be applied to an elevator system of a 2: 1 roping system.

Claims (6)

delete delete delete A canopy body provided with a bulb outlet, a canopy having a bulb outlet cover provided on the canopy body for opening and closing the bulb outlet,
A lock member capable of being displaced between a lock position for mechanically blocking the opening of the exit port cover and a release position for releasing the lock, a key operation portion for operating the lock member from the elevator car chamber by a dedicated key, And a locking device provided on the canopy for controlling the elevation of the elevator car according to the position of the locking member,
Wherein the safety switch is provided at an edge portion of the exit port cover,
Wherein the lock member is provided on the exit port cover so as to be slidable along an edge portion of the exit port cover,
The lock member is provided with a switch engaging portion engaging with the safety switch when the lock member is in the lock position and a stopper portion engaging with the canopy main body and blocking the opening of the exit port cover when the lock member is in the lock position,
The canopy body is provided with a cutout portion for allowing passage of the stopper portion when the lock member is in the release position,
The engagement of the switch engagement portion with the safety switch is released, the contact of the safety switch is opened,
The exit port cover is provided with a shielding member which is located between the safety switch and the lock member when the exit port cover is opened and which prevents the switch engagement portion from being engaged with the safety switch, Actual ceiling device. The method of claim 4,
Wherein the shielding member is a shielding leaf spring which is engaged with the safety switch of the switch engaging portion by being elastically deformed. The method of claim 5,
Wherein the canopy main body is provided with a spring presser for resiliently deforming the shielding plate spring by abutting against the shielding plate spring when the exit port cover is completely closed.

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