JPH0867476A - Elevator cage - Google Patents

Elevator cage

Info

Publication number
JPH0867476A
JPH0867476A JP20739694A JP20739694A JPH0867476A JP H0867476 A JPH0867476 A JP H0867476A JP 20739694 A JP20739694 A JP 20739694A JP 20739694 A JP20739694 A JP 20739694A JP H0867476 A JPH0867476 A JP H0867476A
Authority
JP
Japan
Prior art keywords
door
car
car door
closed
elevator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP20739694A
Other languages
Japanese (ja)
Inventor
Fumihiro Sakata
文宏 坂田
Original Assignee
Mitsubishi Denki Bill Techno Service Kk
三菱電機ビルテクノサービス株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Denki Bill Techno Service Kk, 三菱電機ビルテクノサービス株式会社 filed Critical Mitsubishi Denki Bill Techno Service Kk
Priority to JP20739694A priority Critical patent/JPH0867476A/en
Publication of JPH0867476A publication Critical patent/JPH0867476A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To prevent generation of a confining trouble for stopping an elevator on the way as a cage door opens while the elevator travelling by keeping the cage door in a closed state by way of arranging a door closing locking device between a cage door frame and the cage door. CONSTITUTION: A square hole 6a is provided on an upper surface of a cage upper frame 6 of a cage door frame, and a bottom plate 12 of a closing locking device 30 of a cage door is installed so as to cover the hole 6a. A shaft hole is formed in the neighbourhood of the center of the bottom plate 12. An exciting coil 15 is provided around this shaft hole as its shaft center on the bottom plate 12. A cylindrical plunger 14 and a plunger rod 14a are provided on the inside of the exciting coil 15, and a rectangular parallelopiped working piece 16 is installed on a lower end of the plunger rod 14a. A drive device of the door closing locking device 30 is constituted of the bottom plate 12, a cover 13, the plunger 14, the exciting coil 15, etc. The working piece 16 is lowered in a door closing state, and it is inserted into the hole 18a of a working piece bracket metal 18 by keeping a specified clearance 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator car.

[0002]

2. Description of the Related Art FIG. 9 is a block diagram of a switch of an elevator car door closing confirmation device shown in Japanese Utility Model Laid-Open No. 58-137685, and FIG. 10 is a circuit diagram thereof. The front pillar 4 and the upper frame 6 form a part of a car door frame which is an entrance / exit of an elevator car. The car door 1 is arranged inside the car door frame and is suspended from a rail 7 by a car lifting hand 5, and is connected to a driving device (not shown) to form a sliding door that is opened and closed left and right. A switch 2 for detecting that the car door 1 is closed is installed on the car door frame upper frame 6, and the car door 1
Is provided with an operating piece 3 for operating the switch 2. Further, the upper frame 6 is provided with a switch 8 for detecting that the car door 1 is completely closed, and the car door 1 is provided with an operating piece 9 for operating the switch 8.

FIG. 10 shows a circuit composed of a switch 2 and a switch 8, 2a is a normally open contact of the switch 2, and 8b is a circuit.
Indicates a normally closed contact of the switch 8 and a lamp 10 indicating on the circuit that the car door is not completely closed.
And there is a power supply 11.

In the conventional elevator car thus constructed, the switch 2 is normally closed when pebbles, dust, etc. are caught between the car door 1 and the car door and the front pillar 4, but the switch 8 is closed. Does not operate and remains closed. At this time, the display lamp 10 is turned on to notify the user or the administrator that the car door 1 is not completely closed. The user or administrator who notices this stops the elevator.

[0005]

In the conventional elevator car as described above, when a thin cloth-like object such as a skirt of a coat is sandwiched, the switch 8 operates and the circuit 8b operates. However, if the car door opens slightly and the switch 2 is stepped off by pulling to remove these sandwiched objects while the car is running, the elevator will stop halfway, A so-called canned product failure occurs. There is also a problem in that the car door 1 opens when the user leans on the car door 1 while the car is traveling, and the same state as above is brought about.

The present invention has been made in order to solve the above problems, and is intended to prevent the occurrence of a so-called canning failure in which the car door is opened during the traveling of the elevator and the elevator is stopped halfway. It is a thing.

[0007]

In an elevator car according to claim 1, a car door frame forming an entrance and exit of the elevator car, and a car door which is a sliding door arranged inside the car door frame and opened and closed by a drive machine, A car door frame is provided between the car door frame and the car door, and a door closing lock device for keeping the car door closed is provided.

In the elevator car according to a second aspect of the present invention, the door closing lock device is provided with a working piece provided on the car door frame and supported so as to be able to move in and out in the direction of the car door, and a working piece provided on a supporting portion of the working piece to move in and out. The driving device is provided with a driving device and a working piece bracket which is attached to the car door and has a hole through which the working piece penetrates when the working piece moves out with the car door closed.

According to another aspect of the elevator car of the present invention, there is provided a door opening force detecting device provided on the car door frame for detecting the displacement of the car door in the opening direction, and a user according to the output of the door opening force detecting device. An alarm device is provided to call attention to the opening of the door.

In the elevator car according to claim 4, the car door frame that forms the entrance and exit of the elevator car, the car door that is a sliding door that is arranged inside the car door frame and is opened and closed by the drive machine, and the car door frame are provided. A door opening force sensing device that senses a displacement of the car door in the door opening direction, and an alarm device that alerts the user to the door opening force according to the output of the door opening force sensing device are provided.

In the elevator car according to claim 5, a door closing confirmation device provided on the car door frame for confirming whether or not the car door is completely closed, and a door opening for the user according to the output of the door confirmation device And an alarm device that draws the attention of.

In an elevator car according to a sixth aspect of the present invention, a car door frame that forms an entrance / exit of the elevator car, a car door that is a sliding door arranged inside the car door frame and opened and closed by a drive machine, and a car door frame are provided. A door closing confirmation device for confirming whether or not the car door is completely closed, and an alarm device for calling the user's attention to the door opening according to the output of the door closing confirmation device are provided.

[0013]

In the elevator car according to the first aspect of the present invention, when the door is closed during traveling of the elevator, the car door does not open accidentally.

In the elevator car according to the second aspect, the structure of the door closing lock device is simple and can be retrofitted to the already installed elevator car.

In the elevator car according to the third aspect, it is possible to detect that the force for opening the car door has been actuated, and when the force is acted, the user is alerted of the door opening. You can

In the elevator car according to claim 4, it is possible to detect that the force for opening the car door has been actuated, and if the force is acted, the user should be warned of the door opening. You can

In the elevator car according to the fifth aspect, it can be detected that the operation of closing the door is not normally completed, and in that case, the user can be notified that the car door is not completely closed.

In the elevator car according to the sixth aspect, it can be detected that the operation of closing the door is not normally completed, and in that case, the user can be notified that the car door is not completely closed.

[0019]

【Example】

Example 1. 1 is an overall configuration diagram of a door closing lock device that is an embodiment of an elevator car according to the present invention, FIG. 2 is a sectional view of an upper portion of the door closing lock device, and FIG. 3 is a part of a door opening / closing control circuit. In FIG. 1, 1 to 7 are the same as those in the conventional technique, and thus the description thereof is omitted. 1 and 2, a square hole 6a is formed on the upper surface of the car upper frame 6 of the car door frame. The bottom plate 12 of the car door closing lock device 30 is attached so as to cover the hole 6a. A shaft hole 12a is opened near the center of the bottom plate 12.

A cylindrical exciting coil 15 is provided on the bottom plate 12 with the shaft hole 12a as an axis. Inside the exciting coil 15, a cylindrical plunger 14 and a plunger rod 14a that axially penetrates the plunger 14.
And the plunger rod 14a has a hole 1 in the bottom plate 12.
It penetrates 2a. The plunger 14 and the plunger rod 14a can move up and down inside the exciting coil 15, and there is a slight gap between the plunger 14 and the exciting coil 15, so that the plunger 14 and the plunger rod 14a have holes. The structure is such that it can swing slightly with 12a as a fulcrum. There is a spring 17 between the plunger 14 and the bottom plate 12. A rectangular parallelepiped actuating piece 16 is attached to the lower end of the plunger rod 14a. Further, the exciting coil 15 and the plunger 1 on the bottom plate 12
4, a rubber cover 13 is provided.

Bottom plate 12, cover 13, plunger 1
4, the excitation coil 15 and the spring 17 constitute a drive device 31 of the door lock device. A hole into which the operating piece 16 is inserted with a predetermined gap L when the operating piece 16 descends in the closed state on the side surface of the car door suspension 41 provided on the upper side of the car door. An actuating piece support 18 having a bright 18a is provided. Drive device 31 and operating piece 16
And the operating piece support 18 constitute a car door closing lock device 30.

In FIG. 3, the switch 2a is closed by closing the door.
Is closed, the door closing detection time relay 23 is activated to close the normally open contact 23a2, and the time delay normally open contact 23a1 is closed after a predetermined time delay. Timed delay normally open contact 23a
When 1 is closed, the exciting coil 1 passes through the normally closed contact 24b.
5 works. When the landing floor detection switch 5a is closed,
Landing floor detection relay 2 in which the landing floor detection relay 24 operates
4 is closed, the normally open contact 24a is closed and the normally closed contact 24b is closed.
Opens.

In the elevator car constructed as described above, when the user gets into the elevator car and pushes the destination floor button on the car operation panel, the car door 1 is closed, and when the car door 1 is closed, the switch 2a is closed. Then, the door closing detection time relay 23 is energized. When the door closing detection time relay 23 is energized, the contact point 23a2 is closed immediately, and after a predetermined time period, the contact point 23a1 is closed and the exciting coil 15 is excited via the contact point 24b.

As shown in FIGS. 1 and 2, the exciting coil 15
When is urged, the plunger 14 is attracted, the spring 17 is pushed down, and the plunger 14 is lowered by a predetermined size. Along with this, the plunger rod 14a and the operating piece 16 attached to the lower end of the plunger rod 14a also descend, and the operating piece 16 is inserted into the hole of the operating piece receiver 18. As a result, even if the car door 1 receives a force in the door opening direction, the operation support 18
Contacts the differential piece 16 and the car door 1 does not open.

When the car continues to run and reaches the floor,
The contact 5a opens, and the landing floor detection relay 24 is energized via the contact 23a2. When the landing floor detection relay 24 is energized, its contact 24b is opened and the exciting coil 15 is demagnetized. When the exciting coil 15 is demagnetized, the plunger 14 is pushed upward by the extension of the spring 17, and the operating piece 16 is pulled out from the operating piece receiving plate 18.

In this example, when the landing floor detection relay 24 is energized, the exciting coil 15 is demagnetized.
If the car door 1 is not opened, it may not be necessary at the time when the floor is detected, and the exciting coil 1 may be degaussed just before the car door is released.

Example 2. FIG. 4 is a sectional view of an upper portion of a door closing lock device equipped with a door opening force detecting device for detecting a displacement of a car door in the door opening direction according to another embodiment of the present invention. A pressure sensor 19 is provided around the hole 12a on the lower surface of the bottom plate 12 of the car door opening / closing lock device 30 so as to project inside the hole 12a.
Is attached. In FIG. 5, the switch 19a
Is a normally open contact that closes when a pressure sensor 19, which is a door opening force sensing device that senses a displacement of the car door in the door opening direction, is differential. Further, an announcement starting circuit 50 which is an alarm device is provided so as to operate when the switch 19a is closed.

In the elevator car thus constructed, when a force in the door opening direction is applied to the car door 1, the plunger rod 1 is moved through the operating piece support 18 and the differential piece 16.
4a hits the pressure sensor 19 which is the door opening detection device, the pressure sensor 19 is differentially activated, the announcement circuit 50 is activated, and the announcement device (not shown) provided on the inner wall surface of the elevator car is activated. Please do not touch. " Therefore, it is possible to make an announcement that calls the user's attention to the opening of the door, and prevent the careless opening of the car door.

Example 3. FIG. 6 is a flow chart showing the car door opening / closing control means of another embodiment of the present invention. After the car traveling step S1, there is a step S2 of determining whether or not the pressure sensor 19 which is the door opening detection device shown in the second embodiment is operating when the floor is detected. There is a step S3 of temporarily stopping or fully closing the car door after releasing the dimensions to some extent, and further there is a step S4 of further opening the car door. In addition, as a result of the determination in step 2, if the operation is not performed, the process proceeds to step 4. The car door opening / closing control means constitutes an alarm device that calls the user's attention to the opening of the door by opening / closing the car.

In the elevator car constructed as described above, when the user leans on the car door 1 while the car is traveling or pushes the car door 1 with hands or arms,
This situation is detected by the pressure sensor 19. If the pressure sensor 19 is operating when the floor is detected after traveling the car, without opening the car door 1 at once,
After opening the door slightly, stop it or close it completely, and then open it as usual. By operating the car door 1 in this manner, the user is allowed to ventilate attention as a sensation, so that it is possible to prevent the user's hand or the like from being drawn into the car door.

Example 4. FIG. 7 is a perspective view of an operation piece having a built-in closing confirmation device for confirming the closing of the car door. Instead of the operating piece 16 attached to the lower end of the plunger rod 14a of the car door closing lock device 30 shown in the first embodiment, the upper operating piece 36a and the lower operating piece 36b are divided into two, and the lower operating piece 36b moves up and down. An operating piece 36 having a slidable structure is installed on the. Further, the pressure sensor 4 which is a door closing confirmation device for detecting the displacement of the lower operation piece 36b.
0 is attached to the upper operating piece 36a. Pressure sensor 40
Is connected to the switch 19a of FIG. 5 shown in the second embodiment.

In the elevator car constructed as described above, when the plunger 14 descends, the lower operating piece 14 descends accordingly, and further the lower operating piece 36b descends, the operating piece 36b receives the operating piece support 18 When it does not enter the hole and hits the edge, that is, when the car door is not completely closed, the lower operating piece 36b slides upward and operates the pressure sensor 40. That is, the pressure sensor 40 constitutes a door closing confirmation device.

When the pressure sensor 40 is activated, the switch 1
9a is closed and the announcement circuit 50 operates. As a result, an announcement device (not shown) provided on the wall surface of the car operates and announces that "the object is caught and the door will not close" and alerts the user that the object is caught in the car door. To do.

Example 5. FIG. 8 is a flow chart showing the car door opening / closing control means of another embodiment of the present invention. There is a step 21 for performing the car door closing operation, and a step S22 for determining whether or not the pressure sensor 40 described in the fourth embodiment is operating after that. If it is operating, the operation is performed. After step S23 for returning the piece 36, the process proceeds to step S24 for performing the car door opening operation. In step S22, when the pressure sensor 40 is not operating, the logic is exited without doing anything thereafter.

In the elevator car thus constructed, the car door is not completely closed, and the lower operating piece 3
When 6b slides upward and operates the pressure sensor 40, the signal of the pressure sensor 40 is taken into the car door opening / closing control circuit, and by the operation of the flowchart shown in FIG.
When the pressure sensor 20 is operating when the operation of closing the car door ends, the operating piece 36 returns to the upper side, and then the car door opens. If an object is caught between the car door 1 and the front pillar 4 due to the above, and the car door does not close completely, open the car door and call the user's attention that the object is caught in the car door. You can

[0036]

According to the elevator car of claim 1,
When the door is closed during elevator travel, the car door does not open accidentally, which is safe and does not cause a canning failure. In the elevator car according to the second aspect, since the structure of the door closing lock device is simple, there are few failures, and the elevator car operates reliably.

The elevator car according to claim 3 is safe because it can alert the user to the opening of the car and prevent the careless opening of the car door. The elevator car according to the fourth aspect is safe because it can alert the user to the opening of the car and prevent the careless opening of the car door.

In the elevator car according to the fifth aspect, it is possible to inform the user that an object is caught in the door and the operation of closing the door is not normally completed. In the elevator car according to the sixth aspect, it is possible to notify the user that the operation of closing the door is not normally completed because an object is caught in the door.

[Brief description of drawings]

FIG. 1 is an overall configuration diagram of a door lock device that is an embodiment of an elevator car according to the present invention.

FIG. 2 is a cross-sectional view of the upper part of the door lock device.

FIG. 3 is a part of an opening / closing control circuit of an elevator car.

FIG. 4 is a cross-sectional view of the upper portion of the door closing lock device including the door opening force detection device that detects the displacement of the car door in the door opening direction.

FIG. 5 is an announcement starting circuit.

FIG. 6 is a flowchart showing a car door opening / closing control means according to a third embodiment.

FIG. 7 is a perspective view of an operation piece that incorporates a door closing confirmation device that confirms whether the car door is closed.

FIG. 8 is a flowchart showing a car door opening / closing control means according to a sixth embodiment.

FIG. 9 is a block diagram of a switch of a conventional elevator car door opening / closing confirmation device.

FIG. 10 is a circuit diagram thereof.

[Explanation of symbols]

1 car door, 6 car door frame, 16 actuating pieces, 18a
Hole, 19 pressure sensor (door opening detection device), 30 door closing lock device, 31 drive device, 40 pressure sensor (door closing confirmation device), 50 announcement starting circuit (warning device).

Claims (6)

[Claims]
1. A car door frame that forms an entrance / exit of an elevator car, a car door that is a sliding door that is arranged inside the car door frame and is opened and closed by a driver, and between the car door frame and the car door. An elevator car equipped with a door lock device that is installed and keeps the car door closed.
2. The door closing lock device is provided on the car door frame and is supported by the car door frame so as to be able to move in and out of the car door. 2. An apparatus and an operating piece support, which is attached to the car door and has a hole through which the operating piece penetrates when the operating piece moves out in the car door closed state. Elevator car.
3. A door opening force detecting device provided on the car door frame for detecting a displacement of the car door in the door opening direction, and a user's attention to the door opening according to an output of the door opening force detecting device. The elevator car according to claim 1 or 2, further comprising an alarm device for calling out.
4. A car door frame that forms an entrance / exit of an elevator car, a car door that is a sliding door that is arranged inside the car door frame and is opened and closed by a driver, and an opening of the car door that is provided in the car door frame. An elevator car equipped with a door opening force sensing device for detecting a displacement in a door direction, and an alarm device for alerting a user to a door opening according to an output of the door opening force sensing device.
5. A door closing confirmation device provided on the car door frame for checking whether the car door is completely closed,
The elevator car according to any one of claims 1 to 4, further comprising: an alarm device that calls a user's attention to open the door in accordance with an output of the door confirmation device.
6. A car door frame that forms an entrance / exit of an elevator car, a car door that is a sliding door that is arranged inside the car door frame and is opened and closed by a drive machine, and the car door provided in the car door frame is a complete car door. An elevator car including a door confirmation device for confirming whether the door is closed and an alarm device for calling the user's attention to the door opening according to the output of the door confirmation device.
JP20739694A 1994-08-31 1994-08-31 Elevator cage Pending JPH0867476A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20739694A JPH0867476A (en) 1994-08-31 1994-08-31 Elevator cage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20739694A JPH0867476A (en) 1994-08-31 1994-08-31 Elevator cage

Publications (1)

Publication Number Publication Date
JPH0867476A true JPH0867476A (en) 1996-03-12

Family

ID=16539053

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20739694A Pending JPH0867476A (en) 1994-08-31 1994-08-31 Elevator cage

Country Status (1)

Country Link
JP (1) JPH0867476A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003292273A (en) * 2002-03-29 2003-10-15 Toshiba Elevator Co Ltd Elevator cage door apparatus with locking apparatus
WO2004026751A1 (en) * 2002-09-18 2004-04-01 Toshiba Elevator Kabushiki Kaisha Elevator control device
JP2005343678A (en) * 2004-06-07 2005-12-15 Mitsubishi Electric Corp Elevator device
JP2013155020A (en) * 2012-01-31 2013-08-15 Mitsubishi Electric Corp Door lock device for elevator
JP5479567B1 (en) * 2012-12-17 2014-04-23 東芝エレベータ株式会社 Platform door lock device
CN106115438A (en) * 2016-08-22 2016-11-16 康力电梯股份有限公司 A kind of water proof type door lock contact

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003292273A (en) * 2002-03-29 2003-10-15 Toshiba Elevator Co Ltd Elevator cage door apparatus with locking apparatus
WO2004026751A1 (en) * 2002-09-18 2004-04-01 Toshiba Elevator Kabushiki Kaisha Elevator control device
JP2005343678A (en) * 2004-06-07 2005-12-15 Mitsubishi Electric Corp Elevator device
JP2013155020A (en) * 2012-01-31 2013-08-15 Mitsubishi Electric Corp Door lock device for elevator
JP5479567B1 (en) * 2012-12-17 2014-04-23 東芝エレベータ株式会社 Platform door lock device
CN106115438A (en) * 2016-08-22 2016-11-16 康力电梯股份有限公司 A kind of water proof type door lock contact
CN106115438B (en) * 2016-08-22 2018-05-11 康力电梯股份有限公司 A kind of water proof type door lock contact

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