EP1262623A1 - Security door - Google Patents

Abstract

The frame members (3,4) are square-section tubes. Each horizontal member (3a-3c) contains a bolt (5) in the opposite end to the hinge (3d-3f). Each bolt fits into a square-section pocket (9a-9c) in a fixed frame member (8). A control handle (6a-6d) is mounted on the central vertical frame member. Profile members (2a,2b) define the edges of the door.

Description

The invention relates to a security door according to the preamble of Claim 1.

It is known to design doors as security doors to gain access certain spaces such as apartments or commercial buildings, in particular Banks to complicate. Such security doors are usually used as Single doors used in masonry, so that the masonry together with the security door is an obstacle difficult for unauthorized persons to overcome forms.

It is an object of the present invention to form a security door which is difficult for unauthorized persons to open.

This problem is solved with a security door having the features of claim 1. The subclaims 2 to 13 relate to further advantageous Training of the security door.

The task is solved in particular with a comprehensive security door a door leaf with at least three, forming a vertical Pivot axis spaced apart in the vertical direction, as well as comprising at least three horizontally running, in the direction of course the vertical pivot axis spaced cross struts, in each one actuatable latch is slidably mounted.

In an advantageous embodiment, the security door is designed such that that their door leaves from the outside or from the The entrance side appears as an ordinary house or room door. The Security door designed in this way has a door leaf, which at least on the outside with respect to a conventional door frame is adapted.

In an advantageous embodiment, the security door comprises a first one and / or a second fastening element, on which bolt receiving parts and pivot bearings are arranged, these fasteners fixed the masonry can be connected. In an advantageous embodiment, this is Fastening element designed as an angle element.

In a further advantageous embodiment, the door leaf has one Layer structure on. The outside of the door leaf is preferably one thermally conductive material covered, such as a metal sheet, for example Manga sheet. A stable, load-bearing layer can be arranged underneath consisting for example of concrete, metal or ceramic. In one particularly advantageous embodiment is between the metal sheet and the stable, bearing layer, an intermediate space is provided, which with a material is filled, which expands under heating and in the space between builds up pressure, this material prefers to be heated liquefied. Bitumen, for example, is suitable as such material. On The advantage of this material can be seen in the fact that during the heating process of the metal sheet with a welding torch a pressure in the space forms, and that this material escapes from the gap, as soon as there is an opening in the metal sheet. The one through this opening escaping hot bitumen could damage the welding torch, or otherwise interfere with the actions of a burglar impact.

In a further advantageous embodiment, the door leaf comprises one Door lock, which withdraws when a certain force is exceeded, so that no excessive forces are exerted on the door lock can. In a further advantageous embodiment, the Retreat the door lock a second locking device effective, which additionally prevents the door from being opened. In another, advantageous embodiment, the door lock when retreating made inaccessible, for example by the door lock arranged hole in the door is covered with a metal plate.

Fig. 1a

eine perspektivische Ansicht einer Sicherheitstür;

Fig. 1b

einen Querschnitt durch die Figur 1a entlang der Linie A-A;

Fig. 2a

eine Frontansicht einer weiteren Sicherheitstür;

Fig. 2b

eine Draufsicht der Sicherheitstür gemäss Fig. 2a;

Fig. 2c

eine perspektivische Ansicht der Sicherheitstür gemäss Fig. 2a;

Fig. 3

eine Detailansicht einer Querstrebe mit Riegel;

Fig. 4

eine Detailansicht einer Anordnung zum Antrieb eines Riegels;

Fig. 5

eine Draufsicht auf eine im Mauerwerk angeschlagene Tür;

Fig. 6

eine Detailansicht einer weiteren Anordnung zum Antrieb eines Riegels;

Fig. 7a

eine schwenkbare Verriegelungsvorrichtung in der Grundstellung;

Fig. 7b

eine verschwenkte Verriegelungsvorrichtung mit zusätzlich wirksamer, zweiter Verriegelungsvorrichtung.

The invention is explained in detail below using several exemplary embodiments. Show it:

Fig. 1a

a perspective view of a security door;

Fig. 1b

a cross section through Figure 1a along the line AA;

Fig. 2a

a front view of another security door;

Fig. 2b

a plan view of the security door according to Fig. 2a;

Fig. 2c

a perspective view of the security door according to Fig. 2a;

Fig. 3

a detailed view of a cross strut with latch;

Fig. 4

a detailed view of an arrangement for driving a bolt;

Fig. 5

a plan view of a door struck in the masonry;

Fig. 6

a detailed view of a further arrangement for driving a bolt;

Fig. 7a

a pivotable locking device in the basic position;

Fig. 7b

a pivoted locking device with an additional effective second locking device.

The security door 1 shown in FIG. 1a comprises a door leaf 1a and two left and right arranged, designed as angle iron Fasteners 8.11. The door leaf 1a comprises a with a fold provided door profile 2 made of metal, the door profile 2 a horizontal running door profile 2a and a vertically running door profile 2b having. The door leaf 1a has three horizontal cross struts 3a, 3b, 3c, which are spaced apart in the vertical direction and which with the door profile 2 are firmly connected. The cross struts 3a, 3b, 3c end one side in a bearing sleeve 3d, 3d, 3f, which shows the direction the axis of rotation 23 set. On the other hand, everyone is within Cross strut 3a, 3b, 3c a movably mounted in the direction of movement 5a Latch 5 arranged. The cross struts 3a, 3b, 3c are hollow sections designed. In addition, a longitudinal strut 4, which also as Hollow profile is designed in the vertical direction. A lever arm 6b is with a Shaft 6a of a door latch 15b firmly connected and in the direction of movement 6c rotatably mounted. One vertically movable within the longitudinal strut 4 mounted rod 7 is connected to lever arm 6b via a rod 6d, so that movement of the door latch 15b raises or lowers the rod 7 causes.

Figure 3 shows one within the cross strut 3b in the direction of movement 5a slidably mounted bolt 5, which on the rod 5b to the vertical extending rod 7 is coupled.

Figure 4 shows an embodiment, such as moving the rod 7 in Direction of movement 7a a corresponding horizontal movement of the bolt 5 in the direction of movement 5a. The rod 7 includes a cross under about 45 degrees to the direction of movement 7a running guide 7b, in which a pin 5f of the rod 5b is movably mounted. The rod 5b and the Rod 7 are also supported on both sides on rollers 5g. The rod 5b and the Rod 7 are mutually positively guided by this arrangement, so that a movement of the rod 7 in the direction of movement 7a immediately Movement of the rod 5b in the direction of movement 5b and vice versa. It can prove to be advantageous to use the rod 5b via a spring 5h an anchoring body 5i firmly connected to the door leaf 1a connect. As a result, the latch 5 takes a shifted to the left Home position. One advantage of this arrangement is that: the latch 5 automatically pushes into one of the latch receiving parts 9a, 9b, 9c, as soon as the door leaf 1a assumes a closed position.

Figure 6 shows another embodiment of the vertical movement 7a to deflect the rod 7 into a horizontal movement 5a of the bolt 5, by the rod 5b via a rod 5c running transversely to this rotatable connections 5d, 5e is coupled to the rod 7.

1a shows the first, L-shaped fastening element 8 on the left with side parts 8a, 8b. In addition, in the first fastener 8 Bolt receptacles 9a, 9b, 9c arranged with openings 10 such that the from the left, vertical door profile 2b extending bolt 5 over the Partially penetrate opening 10 into the bolt receiving part 9a, 9b, 9c.

1a shows on the right the second, L-shaped fastening element 11 with side parts 11a, 11b, along which three rotary bearings 22d, 22e, 22f are arranged, which determine the course of the axis of rotation 23. to better fastening of the fasteners 8.11, it can be prove to be advantageous that these have a mounting plate at the top and / or bottom 8c, 11c with mounting holes 8d, 11d to the Fastening elements 8, 11 better in the masonry.

Fig. 1b shows a section along the line A-A according to Fig. 1a, wherein in Difference to the representation according to FIG. 1, the spaces between the door leaf 1a is filled with layers of material. A first layer 12 is made load-bearing material such as concrete, ceramic or metal. This first Layer 12 is fixed to the door profile 2, 2a, 2b and the longitudinal strut 4 connected and gives the door leaf 1 a transverse stability. In addition, a pressure acting on the first layer 12 is evenly distributed. A third layer 14 of thermally conductive material covers the door leaf 1a towards the outside. This third layer 14 is as a metal plate or as Designed sheet metal and consists of, for example Manganese steel plate with 3mm thickness. This third layer 14 is fixed to that Door profile 2,2a, 2b connected. Define the first and third layers 12, 14 together with the door profile 2,2a, 2b an interior in which a second layer 13 is arranged. This interior is advantageous enclosed airtight or liquidtight. As the second layer 13 preferably uses a material that expands when heated and thereby develop a pressure. There are a variety of materials for the second layer 13 is suitable, for example solid or viscous Materials such as bitumen, but also liquid or gaseous materials. Suppose the security door 1 wants to be broken open by the Manganese steel plate 14 of the door leaf 1a with a welding torch is processed, the resulting heating of the second layer 13, for example bitumen, as a result of which the internal pressure rises. As soon as the manganese steel plate 14 is weakened sufficiently and there is a breakthrough results, the liquid bitumen is under high pressure over this breakthrough escape in order to prevent a burglar from proceeding further.

FIG. 2a shows a further security door 1 in a front view, which, with the exception of the longitudinal strut 4 and the fastening plates 8c, 11c, is configured similarly to the security door 1 shown in FIG. 1a. The same reference numerals designate the same objects. Figure 2b shows a plan view and Figure 2c is a perspective view of Figure 2a security door shown 1.

Figures 7a and 7b show a section of a door leaf 1a, which a pivotable locking device 19 and a second Locking device 18 includes. This device is in the range of Intersection of the central cross strut 3b and the longitudinal strut 4th arranged. The door latch 15a is in the direction of movement via the axis of rotation 6a 6c rotatably mounted and also fixed with the disc-shaped Lever arm 6b connected. The lever arm 6b also has a pin 6g, which drives a rod 6d in the direction of movement 6h. The rod 6d is as shown in Figure 1a, connected to the vertically movable rod 7, to operate latch 5 above.

In order to lock the door leaf 1a in the in Figures 7a and 7b illustrated embodiment provided, the movement of the door latch 15a to block. For this purpose, the lever arm 6b has a stop 6f. In addition, a locking device 19 is below the lever arm 6b an adjustable bolt 19a and a keyhole 19b are provided. A through hole 20 is arranged in the door leaf, so that Keyhole 19b is accessible from the outside. In an advantageous Design, the locking device 19 is fixed and immobile with connected to the door leaf 1a. Fig. 7a shows the bolt 19a in the extended Position so that the cooperating stop 6f a rotation of the Door latch 15a prevented at least in one direction, so that the door leaf 1a cannot be opened. With the help of a key, the bolt 19a be withdrawn and the door latch 15a thus on both sides in Direction of movement 6c can be rotated.

In a further advantageous embodiment, the locking device is 19 via a hinge 19c, and one connected to the longitudinal strut 4 Mounting plate 19d, rotatable about a vertically extending pivot axis stored. 7a shows the locking device 19 in a basic position, and in Fig. 7b in a pivoted position. A second Locking device 18, comprising a hinge 18a and one Swivel plate 18b is with the central cross strut 3b around a horizontal Axis rotatably connected. There is also a locking device 19 Bar 19e arranged which the pivot plate 18b within a holds certain pivoting range in the position shown in Fig. 7a. Once the locking device 19 a certain pivot position the rod 19e no longer exercises a support function on the Swivel plate 18 so that it falls, as shown in FIG. 7b, and forms a stop together with the pin 6g, so that a Twisting the door latch 15a at least in one direction of the direction of rotation 6c is disabled, and as a result the door leaf 1a cannot be opened. there the locking device 19, as shown in Fig. 7b, by a Swiveling movement back so that the keyhole 19b over the hole 20th is no longer accessible. The mechanical function of retreating can be technically solved in a variety of ways, so for Example also with a linear movement by the Locking device is mounted linearly movable. It can turn out to be prove advantageous for the locking device 19 a To provide a locking device so that the locking device 19th only when a certain one exceeds the keyhole 19b acting force pivoted.

In a further advantageous embodiment, a cover plate can also be used 21 may be provided, for example in the direction of movement 21a is slidably mounted, and which when pivoting the Locking device 19 is pushed over the hole 20 so that this is covered.

The devices shown in Figures 7a and 7b for locking the Door leaf 1a, for restricting or blocking the movement of the door latch 15a, or for pivoting the locking device could in one A variety of mechanical embodiments can be configured.

5 shows the security door 1 according to the invention hinged on Masonry 16. The door leaf is with its outside, the third layer 14, as usual with doors, arranged in the door frame 17. Therefore, in one preferred embodiment of the security door 1 from the outside not recognizing that the door is a security door 1 is. On the inside of the room, however, the angle iron 8, 11 are fixed connected to the masonry 16, and ensure a burglar-proof Door leaf bracket 1a.

The designed as a door latch operating lever 15a, 15b can, as with the Door latch 15a shown to the side of the vertical pivot axis 23 be arranged because the door on this side is particularly difficult is to break open.

Instead of a mechanical drive, for example, in the door leaf 1a to actuate the latch 5, also motor drives, for example Electric motors can be arranged.

Claims (13)

Security door (1) comprising a door leaf (1a) with at least three, forming a vertical pivot axis in the vertical direction spaced bearing parts (3d, 3e, 3f), and comprehensive at least three horizontally running, in the direction of the vertical Swivel axis (23) spaced cross struts (3a, 3b, 3c), in each of which an actuatable latch (5) is slidably mounted. Security door according to claim 1, comprising a first and a second Fastening element (8, 11), the first fastening element (8) has three bolt receiving parts (9a, 9b, 9c), which for receiving the actuatable latch (5) are arranged accordingly adapted, and the second fastening element (11) having three rotary bearings (22d, 22ed, 22f), which for receiving the bearing parts (3d, 3e, 3f) are arranged accordingly. Security door according to claim 2, characterized in that the first and / or second fastening element (8, 11) has at the top and / or bottom a fastening plate (8c, 11c) extending transversely to the longitudinal extent of the fastening element (8, 11). Security door according to one of the preceding claims, characterized in that the door leaf (1a) has a layer structure comprising at least three layers (12, 13, 14). Security door according to claim 4, characterized in that the first layer (12) is formed from a load-bearing material, the third layer (14) is formed from a thermally conductive material, and that the first and third layers (12, 14) have an interior space limit in which a second layer (13) made of a material is arranged, which develops a pressure when heated. Security door according to claim 4 or 5, characterized in that the first layer (12) is formed from concrete, ceramic or metal. Security door according to one of claims 4 to 6, characterized in that the third layer (14) is formed from metal, in particular from manganese. Security door according to one of claims 4 to 7, characterized in that the second layer (13) consists of a material that liquefies when heated, in particular bitumen. Security door according to one of the preceding claims, comprising a locking device (19) which with respect to the door leaf (1a) is movably mounted, in particular pivotable about a vertical Direction of the swivel axis. Security door according to claim 9, characterized in that the locking device (19) comprises a keyhole (19b), that a hole (20) is arranged in the door leaf (1a), and that in a basic position of the locking device (19) the hole (20) is arranged directly in front of the keyhole (19b). Security door according to one of claims 9 or 10, characterized in that the locking device (19) has an operative connection to a second locking device (18) and that the second locking device (18) is designed such that from a certain position of the first locking device ( 19) the second locking device (18) exerts such an active connection on an actuating lever (15a, 15b) as a door latch (15a, 15b) that its freedom of movement is at least limited. Security door according to one of claims 9 to 11, characterized in that from a certain position of the first locking device (19), the hole (20) is covered with a cover plate (21). Security door according to one of the preceding claims, characterized in that the door leaf (1a) has an actuating lever (15a), in particular a door latch, which is arranged on the side of the vertical pivot axis (23).

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