CN205099175U

CN205099175U - Hoistway door latch hook device

Info

Publication number: CN205099175U
Application number: CN201520855782.7U
Authority: CN
Inventors: 张召军; 褚伋; 刘成辉; 牛断霞
Original assignee: XJ Elevator Co Ltd
Current assignee: XJ Schindler Xuchang Elevator Co Ltd; XJ Elevator Co Ltd
Priority date: 2015-10-30
Filing date: 2015-10-30
Publication date: 2016-03-23
Anticipated expiration: 2025-10-30

Abstract

The utility model relates to a hoistway door latch hook device, including fix on the gantry crane board of hoistway door right side the hook lock with fix on the door gear mainboard of layer with the supporting vice latch hook of hook lock, vice latch hook right -hand member contacts with hoistway door right side gantry crane board, vice latch hook left end is equipped with extension, extension left end and hoistway door left side gantry crane board contact. The utility model discloses be equipped with the extension at vice latch hook left end, extension left end and hoistway door left side gantry crane board contact, vice latch hook provide the holding power for hoistway door left side gantry crane board, and it can prevent effectively that left side gantry crane board from toppling over in to the well together with room door, have eliminated the potential safety hazard of this department, can effectively reduce the emergence probability that room door is fallen by the striking, ensure safe in utilizationly.

Description

A kind of hoistway door latch hook device

Technical field

The utility model relates to a kind of elevator assemblies, is specifically related to a kind of hoistway door latch hook device.

Background technology

The Main Function of hoistway door hook lock is locking and opens hoistway door, and ensure the safe operation of elevator, supporting with it is secondary lock hook, is arranged on the mount pad that connects as one with Room door mainboard.In recent years, popularity rate and the Occupation coefficient of elevator are more and more higher, pushing and shoving because of fighting appears in hoistway door place, deliberately or be not intended to strike the Men Shi Room, Room door and be out of shape and even come off, causing related personnel to fall into hoistway causes the thing of injures and deaths to happen occasionally, and this just requires that we especially will note strengthening the safety precaution at door place, the Room.The left and right two fan Room doors of elevator are individually fixed under left and right gantry crane plate by bolt, when left and right two fan Room doors are subject to clashing in the Room outdoors simultaneously, the impact that Room door is subject to will inevitably be delivered on the gantry crane plate that is connected as a single entity with it, forces left and right two gantry crane plates to move to secondary lock hook.Under extreme case, offside door boatswain chair can strike secondary lock hook " hook ", and avoids because of the stop of secondary lock hook " hook " making the Room, right side door topple in hoistway because of coming off of offside door boatswain chair; Review offside door boatswain chair, due to without any stop, once the mainboard of this side door boatswain chair and layer door gear departs from, will topple in hoistway together with Room door, serious safety misadventure may be caused.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of hoistway door latch hook device, it can solve the Room, left side when being clashed outdoors, offside door boatswain chair not by any stop, may cause the Room, left side door to fall into the problem of hoistway together with gantry crane plate when toppling in hoistway.

For achieving the above object, the technical scheme that the utility model is taked is:

A kind of hoistway door latch hook device, comprise the hook lock that is fixed on hoistway door offside door boatswain chair and be fixed on layer door gear mainboard and lock supporting secondary lock hook with hook, secondary lock hook right-hand member contacts with hoistway door offside door boatswain chair, described secondary lock hook left end is provided with extension, and extension left end contacts with hoistway door offside door boatswain chair.

Described extension left side be provided with to block mutually with hoistway door offside door boatswain chair and V-type groove.

The length of described extension is 40-50mm.

The utility model is provided with extension at secondary lock hook left end, extension left end contacts with hoistway door offside door boatswain chair, secondary lock hook provides support power to hoistway door offside door boatswain chair, it can effectively prevent offside door boatswain chair from toppling in hoistway together with Room door, eliminate the potential safety hazard at this place, effectively can reduce Room door to be impacted the occurrence probability fallen, ensure use safety.

Accompanying drawing explanation

Fig. 1 is the structural representation of the utility model embodiment.

Fig. 2 is structure for amplifying schematic diagram in a-quadrant in Fig. 1.

The structural representation of Fig. 3 secondary lock hook of the present utility model.

Detailed description of the invention

Below in conjunction with accompanying drawing, the utility model is described in further detail.

As shown in Figure 1-Figure 3, a kind of hoistway door latch hook device, comprise the hook lock 2 be fixed on hoistway door offside door boatswain chair 1 and lock supporting secondary lock hook 4 with being fixed on layer door gear mainboard 3 with hook, wherein on layer door gear mainboard 3, be fixed with secondary lock hook mount pad 7, secondary lock hook mount pad 7 is bolted on layer door gear mainboard 3, secondary lock hook 4 is arranged on secondary lock hook mount pad 7 by bolt, secondary lock hook 4 right-hand member contacts with hoistway door offside door boatswain chair 1, hook on the right side of secondary lock hook 4 can shelter from hoistway door offside door boatswain chair 1, described secondary lock hook 4 left end is provided with extension 5, extension 5 left end contacts with hoistway door offside door boatswain chair 6, secondary lock hook 4 provides support power in right positions to hoistway door offside door boatswain chair, offside door boatswain chair is avoided to topple in hoistway together with Room door.

Extension 6 left side be provided with to block mutually with hoistway door offside door boatswain chair and V-type groove 8, direct card V-type groove 8 when hoistway door offside door boatswain chair tilts by external force and can not toppling over.

The length of extension 5 is 40-50mm, can be 40mm, 45mm or 50mm, and can carry out selection according to hoistway door offside door boatswain chair 5 with the distance of secondary lock hook left end and arrange, it can effectively prevent offside door boatswain chair from toppling in hoistway together with Room door.

Claims

1. a hoistway door latch hook device, it is characterized in that: comprise the hook lock that is fixed on hoistway door offside door boatswain chair and be fixed on layer door gear mainboard and lock supporting secondary lock hook with hook, secondary lock hook right-hand member contacts with hoistway door offside door boatswain chair, described secondary lock hook left end is provided with extension, and extension left end contacts with hoistway door offside door boatswain chair.

2. hoistway door latch hook device according to claim 1, is characterized in that: described extension left side be provided with to block mutually with hoistway door offside door boatswain chair and V-type groove.

3. hoistway door latch hook device according to claim 1 and 2, is characterized in that: the length of described extension is 40-50mm.