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Elevator car door locking device

A technology of elevator car and car door, which is applied to elevators, transportation and packaging in buildings, etc., can solve problems such as unsolvable, increased installation costs, maintenance and maintenance costs, etc., and achieves low maintenance and maintenance costs. Simple and reliable structure and low operating noise

Active Publication Date: 2013-03-06
SHANGHAI MITSUBISHI ELEVATOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This increases the cost of the device, the cost of maintenance and maintenance on the one hand, and also cannot solve the above-mentioned technical problems

Method used

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  • Elevator car door locking device
  • Elevator car door locking device
  • Elevator car door locking device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] figure 1 It is the elevator car door lock device according to the first embodiment of the present invention. The elevator car door lock device includes switch 1, switch plate 2, limit block 3, first rotating shaft 4, first connecting rod 5, second rotating shaft 6, landing door knife 7, second connecting rod 8, lock hook 9. Lock hook protrusion 10, third rotating shaft 11, first roller 12, third connecting rod 13, baffle plate 14, second roller 15, fourth rotating shaft 16, fourth connecting rod 17, car door hanging plate 18 , spring 19, top plate 20, limit protrusion 21. The switch plate 2 and the lock hook 9 are installed on the first connecting rod 5; the lock hook protrusion 10 and the baffle plate 14 are installed on the car door hanging plate 18; the top plate 20, the limit protrusion 21, the switch 1, the limit Block 3 and the first rotating shaft 4 are fixedly installed on the car; the first connecting rod 5 and the fourth connecting rod 17 are rotationally co...

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PUM

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Abstract

The invention discloses an elevator car door locking device which comprises a link mechanism, a landing door vane fixed at a shaft landing door, a locking hook, a hook protrusion matching with the locking hook, and a position retainer for retaining the position of the locking hook. The link mechanism comprises a first link, a second link, a third link and a fourth link. The locking hook is fixed on the first link of the link mechanism. A first roller and a second roller are disposed on a third rotary shaft and a fourth rotary shaft respectively. The position retainer matches with the links of the link mechanism and the second roller. The position retainer also matches with the links of the link mechanism, the first and second rollers and the landing door vane. The elevator car door locking device is simple in structure, reliable, low in cost, low in maintenance cost and low in operational noise.

Description

technical field [0001] The invention relates to an elevator car door lock device. Background technique [0002] Chinese invention patent specification CN101031497B (announcement date: October 13, 2010) discloses a door lock device for an elevator car, which includes a slider bar, a first bar, a second bar, a slider, a mounting On the lock hook of the slider rod, the stationary latch and the first cam that move with the door, the guide surface installed in the shaft, the first and second rod rotation shafts are installed with the first roller, the second rod and the slider The second roller is installed on the rotating shaft, the slider can slide along the slider bar, and the rotating shaft that the slider bar is rotatably connected with the first connecting rod is fixed on the car. The car door lock device is in contact with the first roller through the first cam, and when the car opens the door, the first roller is lifted by the first cam, and at the same time the slider s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66B13/18
Inventor 周双林童正国
Owner SHANGHAI MITSUBISHI ELEVATOR CO LTD