SU616218A1 - Apparatus for locking double-wing swinging door of lift shaft - Google Patents

Description

Low control lock the door, which simultaneously reduces the reliability of the lock.

The purpose of the invention is to simplify the design, increase safety of operation and reliability of the device.

For this, the control mechanism of the open and closed position of the door contains an apron fixed on the tee bar and a hinged apron connected to the portal, which interacts with the door leaf when it is opened and is equipped with a cutout flag, while the portal is equipped with a bracket on which the lock is fixed, which interacts when the door is opened with notches of the flag and bar, and is made with a cut-out in contact with the flag when the door is closed.

FIG. 1 shows the proposed device, a general view; in fig. 2 - the same, in the locked position; in fig. 3 shows section A-A in FIG. 2; in fig. 4 shows a section BB in FIG. 2; FIP 5 - section B, -B in FIG. 2; in fig. 6 - device in the open position; in fig. 7 - view along arrow G; in fig. 8 is a section bb of FIG. 2 with the door open.

The device consists of levers 2 mounted on a portal 1 with a roller 3, pivotally connected to portal 1 by means of an axis 4, on which lever 2 pivots under the influence of a suspension 5 mounted on the cab on roller 3.

The lever 2 is pivotally connected with a pin 7 by means of a finger 6, which is pivotally connected with a bolt 8 to a bolt 9 suspended by means of an axis 10 on a rack 11 fixed on portal 1 and intended for fixing the latch 12 in the closed position located on the leaf 13 doors.

The mechanism for controlling the open and locked position of the door is made in the form of a strip 14 fixed on t 7 and having a cutout, a latch 15 pivotally connected to the 1 крон 16 mounted on the portal 1 and entering when opening the door to the cutout b located in the box 17 mounted on the apron 18 and entering the inside of the portal 1 through the cutout in it.

A spring 21 is located on the t 7 between the thrust bracket 19 fixed on the portal 1 and the close nuts 20, returning the lever 7 to its original position after removing the impact of the 5 on the roller 3. On the t 7 there is a post 22 with an adjustable stop 23, acting when the door is opened on pin 24.

On the flap 13 there is a handle 25 which, by means of the bar 26, opens the latch 12 with the holder 27 fixed on the portal 1 when the door is opened, after which the flaps 13 and 28 can be opened. The apron 18 is hinged to the portal by means of the axis 29.

The device works as follows. When the cab approaches the floor platform, the slider 5 impacts on the roller 3 turns lever 2, which doesn’t follow 5 tons, 7, and the latter turns bolt 9, as a result of which latch 12 is released, from fixing it by bolt 9. Thereafter, when you press the handle 25 raises the rod 26 and disengages the latch 12

, with a holder 27, which allows the doors 13 and 28 to open.

Simultaneously with the movement of the rod 7, the strap 14, which is attached to it, which does not follow the latch 15, moves, and the latter, moves in the bracket 16,

5 exits the notch b of the flag 17, and together with the movement of the rod 7, the spring 21 is compressed and the contact is closed. 24 from the impact of the stop 23 on it, with a signal to the elevator control system that the door is unlocked.

In such a device, when the sash is opened using the handle 25, the apron 18 together with the flag 17 rotates in the cut-out in the gantry 1. As a result, when the force 5 is removed from the roller 3 of the lever

5 2, with the doors open, the ha ha 7 cannot return to its original position, since the latch 15 does not fit into the cutout of the flag 17, but will stop the flag and will prevent the spring 21 from returning to the starting position.

With the doors closed and the removal force from the roller removed, the spring is able to return the entire system to its original position. In this case, the bolt 9 stops, the latch 12, which engages with the holder 27, the stop 23 moves away from the contact 24, opens it and gives a signal to the elevator control system that the door is locked, the latch 15 enters the notch of the flag 17, preventing the forced raising the apron and opening the door.

Claims (2)

Invention Formula A device for locking a double hinged door of the lift of the elevator, containing a handle located on the sash, hingedly connected with a shaft, a latch that interacts with the shaft and a bracket secured on the portal of the door, a deadbolt fixing the latch in a closed position of the door and a socket. spring loaded gi - with a lever in turn pivotally connected to the portal and equipped with a roller interacting with a lay-down located on the elevator car, an open and closed control mechanism Positioning the door, a contact electrically connected to the elevator control system and mounted on a throttle stop interacting with a contact, characterized in that, in order to simplify the design and increase reliability, the control mechanism for the open and closed position of the door contains a fixed strap with an opening and an apron that is pivotally connected to the portal, interacting with the door leaf when it is opened and equipped with a checkbox with an opening, while the portal is equipped with a bracket on which the retainer is pivotally fixed, I interact , S with the door open with cut-outs check box and rails, and is provided with a cutout in contact with the flag when the door is closed. Sources of information taken into account in the examination: 1, USSR Author's Certificate No. 491571, cl. B 66 B 13/00, 11/21/73. . 2. Korneev G. K. and others. Passenger and cargo elevators. Moscow, State Scientific and Technical Publishing House of Mechanical Engineering Literature, 1958, p. 139-140, FIG. 84 25 L W 616218 17