CN201756393U

CN201756393U - Elevator hoistway door safety protection device

Info

Publication number: CN201756393U
Application number: CN2010202590161U
Authority: CN
Inventors: 祝华荣; 马凌云
Original assignee: HANGZHOU XIZI TRUST TECH Co Ltd
Current assignee: HANGZHOU XIZI TRUST TECH Co Ltd
Priority date: 2010-07-09
Filing date: 2010-07-09
Publication date: 2011-03-09
Anticipated expiration: 2020-07-09

Abstract

An elevator hoistway door safety protection device comprises a door lock and a hoistway door mechanism for mounting the door lock, wherein the door lock comprises a lock hooking board 1 with a hook, a base board 2 for fixing the lock hooking board 1, an unlocking shaft 3 for automatic unlocking, an unlock arm 5 for manual unlocking, a torsion spring 4, a steel wire rope 7, a steel wire rope guide wheel 6, a fixing seat 8 and a steel wire rope raising board 9, the unlock arm 5 is tightly disposed above the unlocking shaft 3, the steel wire rope 7 is pulled to lead the unlocking arm 5 to upwardly raise the unlocking shaft 3 to realize manual unlocking, the unlocking shaft 3 is fixed onto the lock hooking board 1 to realize the automatic unlocking function, and a door lock mutually matches with a stop hook 16 on a hoistway door device 12 to complete locking, and to guarantee that an opening distance of a hoistway door is twice of that between the lock hooking board 1 and the stop hook 16. The elevator hoistway door safety protection device is simple in structure, easy in fabrication and installation and low in cost, is a simple, easy and ideal door lock structure, and is especially suitable for modification of used elevators.

Description

Safety protection device of hoistway door

Technical field

The utility model relates to a kind of safety protection device of hoistway door, belongs to elevator safety devices.

Background technology

In the elevator use, when lift car is in non-level position, be elevator cab door cutter place for beyond the zone of opening the door the time, if because of Room door master lock is broken down by artificial unlatching or Room door, or open door lock suddenly in absent minded or when error because of the party concerned, the personal safety accident can take place, and the danger that the passenger crashes into hoistway occurs.Therefore, the reliability of safety protection device of hoistway door is particularly important.

Chinese patent by retrieval, the invention of relevant door lock of elevator aspect is existing multinomial, for example: 200420019730.8,200520078766.8,200720068332.9,200820187917.7,200820187918.1,200920050737.9, it mainly is to add the sound and light alarm dual mode by pure physical construction or machinery that these patents relate to the method that solves the door lock safety problem, realize after Room door is opened certain Safe width, pinning Room door once more, but still exist a problem to be: need close reveal at Room door-plate and open corresponding lockhole, but lockhole when the passenger comes in and goes out as seen, if or open keyhole not, but, door lock takies certain space between Room door and the gate, the integral body decoration of influence layer door because of being installed in.

The utility model content

The utility model provides a kind of safety protection device of hoistway door; for a kind of Purely mechanical door lock structure and this door lock are installed in structure on the hoistway door; its purpose is to solve the secondary safety guard-safeguard problem that exists in the prior art; it is unexistent easy for installation attractive in appearance with decoration to possess prior art simultaneously; being particularly advantageous in old ladder and transforming, is a kind of simple desirable door lock structure.

Concrete technology contents of the present utility model mark in conjunction with the accompanying drawings is elaborated as follows: a kind of safety protection device of hoistway door, comprise door lock parts and the Room door mechanism that the door lock parts are installed, the door lock parts comprise, the lock crook plate 1 of one band crotch, the substrate 2 of one pin hook plate 1, the unlocking arm 5 that latch release shaft 3 that automatic unlocking is used and manual unlocking are used, and torsion spring 4, steel rope 7, steel rope track adjusting wheel 6, permanent seat 8 and steel rope seesaw 9 constitute, wherein, one end of described steel rope 7 is fixed on the described unlocking arm 5, the other end of the steel rope described steel rope track adjusting wheel 6 of having mercy on is fixed on the described steel rope seesaw 9, the steel rope seesaw is fixed on the described permanent seat 8, described unlocking arm 5 close arrangement make upwards jack-up latch release shaft 3 realization manual unlockings of unlocking arm 5 by pulling steel rope 7 below latch release shaft 3; Described latch release shaft 3 is fixed on and realizes the auto-unlocking function on the described lock crook plate 1;

The Room door mechanism that the door lock parts are installed is: the automatic unlocking of above-mentioned door lock and manual unlocking locking partly are installed on the back side of Room door strap 13 and Room door-plate 14 by bolt, cooperatively interact with stop hook 16 on the described Room door gear 12 and to finish locking, and guarantee that the twice of distance between described lock crook plate 1 and the stop hook 16 is the openable safety distance of Room door; Described manual unlocking partly is installed on the Room door-plate 14 by the permanent seat 8 of bottom.Torsion spring 4 is housed on described substrate 2 can make the automatic unlocking of described lock crook plate 1 and unlocking arm 5 reset.Have one 10 on described substrate 2, lock crook plate 1 is fixed on the axle 10 and rotates around it; At described Room door-plate one triangulation chain 15 is set for 14 times, realizes release by rotating triangulation chain 15 jack-up steel rope seesaws 9.

The utility model has been realized purpose of the present invention; compared with prior art has following good effect: solved the secondary safety guard-safeguard problem that exists in the prior art; it is unexistent easy for installation attractive in appearance with decoration to possess prior art simultaneously; that device has is simple in structure, fabrication and installation are easy; cost is low; be a kind of simple desirable door lock structure, be particularly useful for old ladder and transform.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is a functional schematic of the present utility model.

Indicate among the figure: 1, lock crook plate, 2, substrate, 3, latch release shaft, 4, torsion spring, 5, unlocking arm, 6, the steel rope track adjusting wheel, 7, steel rope, 8, permanent seat, 9, the steel rope seesaw, 10, axle, 11, the door cutter, 12, Room door gear, 13, Room door strap, 14, Room door-plate, 15, triangulation chain, 16, stop hook.

The specific embodiment

Below in conjunction with the further embodiment of the present utility model of accompanying drawing with in Room door mechanism.

Accompanying drawing 1 is the structural representation of the utility model most preferred embodiment; 1 can clearly be seen that safety protection device of hoistway door of the present utility model in conjunction with the accompanying drawings, i.e. the concrete structure of door lock.

Accompanying drawing 2 is of the present utility model at Room door scheme drawing; Accompanying drawing 2 is clearly expressed the position of door lock parts of the present utility model on hoistway door is installed.

Further describe the specific embodiment and the principle of work of this device below, described locking partly is installed on the Room door strap 13 by bolt, cooperate the stop hook 16 that is installed on the Room door gear 12 to finish locking, the twice of distance is defined as the openable safety distance of Room door between lock crook plate 1 and the stop hook 16; Manual unlocking partly is installed on the Room door-plate 14 by the permanent seat 8 of bottom; Because locking and release partly are hidden the back side that is installed on Room door gear and Room door-plate respectively, so can not cause harmful effect to the outward appearance of Room door.When elevator was in level position and opens the door automatically, gate door cutter 11 just in time was in position as shown in Figure 2, when door cutter 11 clamps, can clamp latch release shaft 3, this moment, lock crook plate 1 was around axle 10 rotation, just made its lock crook plate 1 and stop hook 16 staggered positions, along with the motion door lock of door cutter 11 is unlocked; And when elevator is in non-level position, the master that user or operating personal can be opened on the door gear of the Room by triangular key earlier locks, after Room door is open certain distance, lock crook plate 1 contacts with stop hook 16, if the operator need continue to open, needs triangulation chain 15 is rotated counterclockwise, stir steel rope seesaw 9, just can be by making lock crook plate 1 rotating certain angle under steel rope 7 pullings, the crotch place of lock crook plate 1 and stop hook 16 stagger then, can open.Conversely, after the power that door cutter 11 or operator apply was removed, the hammerlock 5 that torsion spring 4 can be used lock crook plate 1 and manual unlocking automatically reset.

A kind of safety protection device of hoistway door that the utility model provides; the door lock that adopts has only been done detailed description with regard to illustrated embodiments; but can not be interpreted as the restriction of other modes that the utility model is implemented; everyly further improve and similar or identical scheme on the utility model basis, all being considered as is the scope that the utility model is asked for protection.

Claims

1. safety protection device of hoistway door, it is characterized in that: comprise door lock parts and the Room door mechanism that the door lock parts are installed, the door lock parts comprise, the lock crook plate (1) of one band crotch, the substrate (2) of one pin hook plate (1), the unlocking arm (5) that latch release shaft that automatic unlocking is used (3) and manual unlocking are used, and torsion spring (4), steel rope (7), steel rope track adjusting wheel (6), permanent seat (8) and steel rope seesaw (9), wherein, one end of described steel rope (7) is fixed on the described unlocking arm (5), the other end of steel rope (7) the described steel rope track adjusting wheel (6) of having mercy on is fixed on the described steel rope seesaw (9), steel rope seesaw (9) is fixed on the described permanent seat (8), described unlocking arm (5) close arrangement makes upwards jack-up latch release shaft (3) realization manual unlocking of unlocking arm (5) in the below of latch release shaft (3) by pulling steel rope (7); Described latch release shaft (3) is fixed on described lock crook plate (1) and goes up realization auto-unlocking function;

The Room door mechanism that the door lock parts are installed is: the auto-unlocking of above-mentioned door lock and manual unlocking partly are installed on the back side of Room door strap (13) and Room door-plate (14) by bolt, cooperatively interact with stop hook (16) on the described Room door gear (12) and to finish locking, and guarantee that the twice of distance between described lock crook plate (1) and the stop hook (16) is the openable safety distance of Room door; Described manual unlocking partly is installed on the Room door-plate (14) by the permanent seat (8) of bottom.

2. safety protection device of hoistway door according to claim 1 is characterized in that: torsion spring (4) is housed on described substrate (2) automatic unlocking of described lock crook plate (1) and unlocking arm (5) is resetted.

3. safety protection device of hoistway door according to claim 1 is characterized in that: have one (10), described lock crook plate (1) to be fixed on the axle (10) on described substrate (2) and rotate around it.

4. safety protection device of hoistway door according to claim 1 is characterized in that: clamp described latch release shaft (3) by described door cutter (11) and make described lock crook plate (1) rotation realize locking a door.