JPH0537856U - Elevator hall door unlocking device - Google Patents

Abstract

(57) [Abstract] [Purpose] It is possible to unlock the locking device and open the landing door by a series of operations. An elevator equipped with a hook 3 which engages with a locking device 4 at a closed end, and a rope 6 which is connected to the locking device 4 and hangs down to disengage the locking device 4 from the hook 3 An elevator landing door unlocking device, characterized in that the landing door 2 is provided with a handrail 7, and the handrail 7 is provided with an operating means for the hook 3.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an elevator door unlocking device, and more particularly to an unlocking device suitable for emergency or maintenance inspection.

[0002]

[Prior Art]

 In order to open the landing door from the hoistway side in the event of an emergency or maintenance, the conventional device is to disengage the lock device and the hook attached to the landing door so that the rope that is connected to this hook and hangs down. One hand pulled it to remove the hook from the locking device, and the other hand grasped the handle of the hall door to move in the opening direction to open the hall door.

Known examples related to this are, for example, Japanese Utility Model Publication No. 50-2854, Japanese Utility Model Publication No. 52-28269, and Japanese Utility Model Publication No. 62-71170.

[0004]

[Problems to be solved by the device]

 In the method proposed in Japanese Utility Model Laid-Open No. 62-71170, it is necessary to engage the engaging member after unlocking the hall door. Even if this simple operation is not performed by the actual operator, it is often the case that the landing door is opened and the vehicle goes out of the hoistway without engaging the engaging member. The unlocking device lacked safety and functionality regarding the unlocking of the locking device and the opening of the landing door.

An object of the present invention is to provide an elevator hall door unlocking device that can unlock the locking device and open the hall door in a series of operations.

[0006]

[Means for Solving the Problems]

 The above object is to provide an elevator landing door unlocking device that includes a hook that engages with a locking device at a closed end, and a rope that is connected to the locking device and hangs down to disengage the hook device. In the device, this is achieved by providing a handrail on the hall door and providing the hook operating means on the handrail.

[0007]

[Action]

 The end of the hanging rope that is connected to the hook to unlock the engagement with the locking device is connected to a clasp attached to the landing door railing. The hook is configured to be slidable, and by sliding the hook down, the hook can be unlocked from the locking device and the hook can be used as a landing door handle.

[0008]

【Example】

 An embodiment of the present invention will be described below with reference to FIGS.

FIG. 1 is an enlarged view of the elevator hall door unlocking device, and FIG. 2 is a schematic view of the elevator as seen from the hoistway side.

In the figure, 1 is an elevator car, and 2 is a hall door. The landing door 2 is provided with a hook 3 for locking the landing door and a handrail 7. The handrail 5 is slidably attached to the handrail 7, and the hook 3 and the handhold 5 are connected by a rope 6. Reference numeral 4 is a locking device, and 8 is a trap provided in the pit.

[0011] Now, when a maintenance worker tries to get out of the elevator pit from the hoistway pit, the hook 3 is unlocked from the locking device 4 by sliding the hook 3 connected to the hook 3 and the rope 6 downward. To do. While keeping the unlocked state, move the handle 5 in the opening direction to open the landing door 2. Next, use the handle 5 as a handle to get to the elevator hall. Restoring force is applied to the handle 5 by a spring or the like, and the landing door 2 can be locked again if no force is applied.

[0012]

[Effect of the device]

 According to the present invention, the elevator hall door can be unlocked and the hall door can be opened by a series of operations, and it can be used as a hall door handle.

[Brief description of drawings]

FIG. 1 is an enlarged view showing an embodiment of an elevator hall door unlocking device.

FIG. 2 is a schematic view of the elevator as seen from the hoistway side.

[Explanation of symbols]

 1 Elevator Cage 2 Landing Door 3 Hook 4 Locking Device 5 Grips 6 Rope 7 Handrail 8 Trap

Claims (1)

[Scope of utility model registration request] 1. An elevator landing door unlocking device comprising a hook that engages with a locking device at a closed end, and a rope that is connected to and hangs down from the locking device and the hook to disengage the hook. An elevator landing door unlocking device, wherein a handrail is provided on a landing door, and the hook operating means is provided on the handrail.