AT502962B1 - SELBSTSCHLIESSEINRICHTUNG - Google Patents

Description

2 AT 502 962 B1

The invention relates to an automatically releasable self-closing device for gates, in particular a sliding gate, comprising a closing force generator, in particular a closing weight or a closing spring, and a retaining device of the self-closing device, wherein the door in the retained state of the self-closing device of the self-closing device is decoupled and without closing movement, wherein the Retaining device comprises a magnetizable armature, which is retained by a stationary electromagnet against the closing force.

EP 1 306 507 A1 shows a damping device for controlling the closing speed of a sliding gate.

JP 11062371 A shows a self-closing device with a parallel to the gate movable carriage with rollers.

Such self-closing devices are common especially for fire doors. In the event of a fire alarm or in the event of a power failure, the door is automatically closed.

A disadvantage of such self-closing devices is that each time the door opens, the force of the closing force generator, such as a closing weight or a closing spring, must be overcome, even if no alarm was triggered. If the self-closing device is further equipped with a damping device, for example a hydraulic running controller, for the damped closing of the gate, the resistance of the damping device must also be overcome each time it is opened.

The object of the invention is therefore to avoid the above disadvantages and to provide a self-closing devices that does not hinder an intended operation of the door.

According to the invention this is achieved in that the magnetizable armature is designed as a telescopic anchor.

By this type of restraint device can be accomplished particularly simple that the locking device is activated in case of power failure. The version as a telescopic anchor allows a damped stop when opening the gate.

In a continuation of the invention it can be provided that the self-closing device comprises a damping device for damping the movement of the self-closing device in the closing direction. Thus, too fast closing and an addition of the gate can be reliably avoided, which increases the safety of persons and the life of the door. Due to the decoupling of the self-closing device and the door in the retained state, the resistance of the damping device during opening must not be overcome in this state.

In particular, it may be provided that the gate is designed as a sliding gate and the self-closing device as parallel to the sliding gate movable carriage, which in the triggered state, the closing force via a coupling, e.g. a stop, a rubber buffer or the like., Transfers to the gate. Sliding gates are especially practical for large doors and space-saving and a coupling via a stop mechanically particularly easy to implement.

In continuation of the invention, it can be provided that the self-closing device comprises guide rail rollers for displaceable mounting on rails or a running pipe. This allows a particularly low-friction and wear-free mounting of the self-closing device.

In a variant of the invention it can be provided that the damping device interacts with a stationary toothed belt, which is arranged substantially parallel to the direction of movement of the carriage. Thus, a particularly uniform damping and thus uniform closing movement of the door can be achieved when the self-closing device is triggered.

The invention will be further described with reference to the accompanying drawings, in which embodiments are shown. Showing:

1 is a self-closing device according to the invention with a sliding gate and a barrel in elevation,

2 shows a vertical section AA through the barrel of FIG .. 1

3 shows the self-closing device according to the invention with a sliding gate according to FIG. 1 in plan view, FIG.

4 is a self-closing device designed as a slide in plan view from above,

5 is a self-closing device designed as a slide in elevation in view A of FIG. 4,

FIG. 6 shows the self-closing device designed as a slide in elevation in view B according to FIG. 4

FIG. 7 shows the self-closing device designed as a slide in a plan view from below in view E according to FIG. 4, FIG.

8 shows the self-closing device designed as a slide in elevation in view C according to FIG. 5 without running tube, FIG.

FIG. 9 shows the self-closing device designed as a slide in elevation in view D according to FIG. 5 without a running tube, FIG.

Fig. 10 designed as a slide self-closing device in elevation in view C of FIG. 5 with barrel, and

Fig. 11, designed as a slide self-closing device in elevation in view D of FIG. 5 with barrel.

1 to 3 show a gate 30, which is mounted in a low-resistance sliding manner on door rollers 39 in a running tube 36, each in a position in which a passage region 24 is closed by the door 30.

Fig. 1 and 3 further show a self-closing device 23 which is formed as a slide, with a closing force generator 31, which is designed as a closing weight, wherein the closing weight is suspended in a weight box 32 to a weight rope 33, and wherein the weight rope 33 via guide rollers 37th , For example, in the manner of a pulley, and a cable holder 3 is connected to the carriage 23. Thus, the closing force generator 31 causes a closing force acting in the closing direction of the door. As long as the carriage 23 is decoupled from the gate 30, the gate is movable without closing. The closing force generator 31 may be mounted on track rollers 7 in the same barrel 36 in which the gate 30 is mounted.

In the non-triggered state of the self-closing device 23, this is retained by a retaining device against the closing force, for example by a magnetizable armature 8 and an electromagnet 25. The armature 8 may be designed in particular as a telescopic anchor, which is mounted with fastening means 14, 15, 16 on the carriage 23 , The version as a telescopic anchor allows a damped stop when opening the gate.

If the self-closing device 23 is now triggered, for example by a fire alarm or a burglar alarm, a manual release, or in case of power failure, the restraint device is deactivated and the closing force sets the self-closing device 23 in the closing direction in motion. When the door 30 is opened, the closing force is transmitted via a coupling 9, e.g. a stop, a rubber buffer or the like., Which is mounted with fastening means 20, 21, 22 on the self-closing device 23, transferred from the self-closing device 23 on the gate 30 and the gate 30 also moved in Schiießricntung until it actually

Claims (5)

4 AT 502 962 B1 is closed. Furthermore, a damping device 10 for damping the movement of the self-closing device in the closing direction can be provided for the self-closing device 23. Thus, too rapid closing and an addition of the door 30 can be reliably avoided, which increases the safety of persons and the life of the door 30. The damping device 10 cooperates, for example, with a stationary toothed belt 11, which is arranged substantially parallel to the direction of movement of the carriage 23. The toothed belt 11 may be tensioned on the running tube 36 between a clamping device 34 and a tensioning device 35. Also, the timing belt 11 may be formed as a toothed rail, which is fixedly connected to the barrel 36. The damping device 10 itself is mounted with further fastening means 17, 18, 19 on the self-closing device 23 and includes, for example, a toothed belt pulley 5, which is in direct mechanical contact with the toothed belt, guide rollers 6 for guiding the toothed belt 11, and the actual hydraulic damping device. FIGS. 4 to 11 show the closing force generator 23 designed as a slide from different viewing directions. 1. Automatically triggered self-closing device (23) for gates (30), in particular a sliding gate, comprising a closing force generator (31), in particular a closing weight or a closing spring, and a retaining device of the self-closing device (23), wherein the gate (30) in retained state of the self-closing device (23) of the self-closing device (23) and is movable without closing force, wherein the retaining device comprises a magnetizable armature (8), which is retained by a stationary electromagnet (25) against the closing force, characterized in that the magnetizable Anchor (8) is designed as a telescopic anchor. 2. Self-closing device according to claim 1, characterized in that it comprises a damping device (10) for damping the movement of the self-closing device (23) in the closing direction. 3. Self-closing device according to claim 1 or 2, characterized in that the gate (30) is designed as a sliding gate and the self-closing device (23) as parallel to the sliding gate movable carriage, the closing force in the tripped state via a coupling (9), e.g. a stop, a rubber buffer or the like., On the gate (30) transmits. 4. Self-closing device according to claim 3, characterized in that the self-closing device (23) comprises track rollers (7) for displaceable mounting on rails or a running tube (36). 5. self-closing device according to claim 3 or 4, characterized in that the damping device (10) with a stationary toothed belt (11) interacts, which is arranged substantially parallel to the direction of movement of the carriage (23). For this purpose 3 sheets of drawings