EP2716844A2 - Door lock - Google Patents

Abstract

The door lock has a L-shaped locking element (15) that includes two legs in a connecting region. The locking element is pivotally mounted parallel to a longitudinal direction of an extending axis of a face-plate (1). The locking element is biased toward a locking position in which one leg extends obliquely from the face plate and other leg inclined against a central plane of a case (6). A latch bolt (9) is locked in a locking position of the locking element using a stop element.

Description

Technical area

The invention relates to a door lock according to the preamble of claim 1.

State of the art

Such a lock was eg by the DE 3241273 A known.

In this known solution, the blocking device comprises two levers, one of which has a fortress passing through the approach, which is provided with the contact surface. This lever acts on another, spring-loaded lever, wherein the spring of this lever simultaneously biases the first-mentioned lever, so that its approach is forced out of the forend to the outside. If the approach when closing the door with the strike plate of the door jamb to the plant so the lever is rotated against the bias and thereby also rotates the second lever, which thereby comes with its one leg out of engagement with a stop surface of a recess in the latch bolt and the other Ausschubweg in the direction of the bolt position releases. If the case is withdrawn and the door reopened, the levers are returned to a position in which the approach of a lever protrudes from the forend and the second lever with its one leg comes to rest against the stop surface of the latch bolt and their Ausschubweg limited in the case position.

In this known solution, there is the disadvantage that a considerable number of moving parts is required and for the lever and corresponding axes must be anchored in the walls of the lock housing.

Presentation of the invention

The aim of the invention is to avoid these disadvantages and to propose a door lock of the type mentioned above, which is characterized by a simple structure.

This is achieved by the characterizing features of claim 1 according to the invention.

The proposed measures results in a simple Construction in which there is also the advantage that the blocking device comprises only a pivotally held part and thus a cost-effective production is possible, and a high locking security is given.

The features of claim 2 allow easy conversion of the castle from a left to a right door stop and vice versa. For this purpose, it is sufficient to remove the case with the latch latch and blocking device and rotated by 180 ° to reinstall.

A particularly simple construction results from the features of claim 3. In addition, this results in a very compact design with little material requiring parts.

Brief description of the drawings

• Fig. 1 eine axonometrische Darstellung der erfindungswesentlichen Teile eines erfindungsgemäßen Türschlosses,
• Fig. 2 eine Seitenansicht des Schlosses nach Fig. 1 in einer Stellung wie sie sich bei geöffneter Tür ergibt,
• Fig. 3 und 4 Schnitte gemäß der Linie III-III bzw. IV-IV in der Fig. 2,
• Fig. 5 eine Seitenansicht des Schlosses nach der Fig. 1 in einer Stellung, wie sie sich beim Schließen einer Tür ergibt, wenn die Falle und die Blockiereinrichtung durch ein nicht dargestelltes Schließblech eines Türstocks zurückgedrängt sind,
• Fig. 6 und 7 Schnitte nach den Linien VI-VI und VII-VII in Fig. 5,
• Fig. 8 eine Seitenansicht des Schlosses nach der Fig. 1 in einer Stellung, wie sie sich bei vollständig geschlossener Tür ergibt,
• Fig. 9 und 10 Schnitte entsprechend den Linien IX-IX bzw. X-X, in der Fig. 8,
• Fig. 11 eine Seitenansicht des Schlosses nach der Fig. 1 in einer Stellung, wie sie sich bei zurückgezogener Riegelfalle und beim Öffnen der Tür ergibt, wobei das Türschloss den Kontakt mit dem Schließblech des Türstocks noch nicht verloren hat,
• Fig. 12 und 13 Schnitte entsprechend den Linien XII-XII bzw. XIII-XIII in der Fig. 11,
• Fig. 14 eine Seitenansicht des Schlosses nach der Fig. 1 in einer Stellung, wie sie sich beim Öffnen der Tür bei zurückgezogener Falle ergibt, nachdem die Blockiereinrichtung außer Eingriff mit dem Schließblech gekommen ist,
• Fig.15 und 16 Schnitte gemäß den Linien XV-XV bzw. XVI-XVI in der Fig. 14.

The invention will now be explained in more detail with reference to the drawings. Showing:

• Fig. 1 an axonometric representation of the invention essential parts of a door lock according to the invention,
• Fig. 2 a side view of the castle behind Fig. 1 in a position as it appears with the door open,
• Fig. 3 and 4 Sections according to the line III-III and IV-IV in the Fig. 2 .
• Fig. 5 a side view of the castle after the Fig. 1 in a position as it results when closing a door, when the trap and the blocking device are pushed back by an unillustrated strike plate of a door block,
• 6 and 7 Sections according to lines VI-VI and VII-VII in Fig. 5 .
• Fig. 8 a side view of the castle after the Fig. 1 in a position that results when the door is completely closed,
• Fig. 9 and 10 Sections corresponding to the lines IX-IX and XX, in the Fig. 8 .
• Fig. 11 a side view of the castle after the Fig. 1 in a position that results when the latch bolt is withdrawn and when the door is opened, the door lock having not yet lost contact with the strike plate of the door frame,
• FIGS. 12 and 13 Sections corresponding to the lines XII-XII and XIII-XIII in of the Fig. 11 .
• Fig. 14 a side view of the castle after the Fig. 1 in a position that results when the door is opened when the latch is retracted, after the blocking device has come out of engagement with the striking plate,
• Figure 15 and 16 Sections according to the lines XV-XV and XVI-XVI in the Fig. 14 ,

Way (s) for carrying out the invention

In the Fig. 1 is the face plate 1 of a lock according to the invention with this attached by means of screws 3 lock base plate 2, to which a lock cylinder and handle operation, not shown, for actuating a push rod 4 with a driver lug 5 are fastened, shown. The operation can also be done by means of a motor or otherwise.

The face plate 1 has a recess into which a case 6 can be used and fixed by means of screws 7 held on the lower lock plate 2 abutments 8.

The case 6 has two legs 11, 19, which are connected to a web 10 with each other.

In the leg 11 of the trap housing 6 is a round in cross-section approach 13 a blocking device 15 which is L-shaped, rotatably supported. This approach 13 is surrounded by a spring 18 which biases the blocking device 15 in the direction of pivoting of the leg 16, wherein the outer side of the leg 16 in the pivoted position forms a ramp surface 17 which cooperates with the strike plate of a door block.

The latch bolt 9 is held displaceably perpendicular to the forend 1 in the latch housing 6, wherein the latch bolt 9 is biased by a supported on the web 10 of the latch housing 6 spring 110 against an ejected latch position.

The leg 16 has a length which corresponds to the clear width of the trap housing 6. ( Fig. 7 )

The two legs 11 and 19 of the latch housing 6 are with open-edged recesses 20 provided, in which a pivotable about a housing-fixed axis 31 retraction member 30 which is pivoted into a recess 24 of the latch bolt 9. The recesses 20 of the legs 11, 19 are arranged mirrored about a center axis perpendicular to the forend 1. Furthermore, the latch bolt 9 is provided with open-edged recesses 24, which are arranged mirrored about a perpendicular to the forend 1 center axis. The recesses 20, 24 of the latch housing 6, and the latch bolt 9 serve to receive the retraction part 30, which is formed substantially hammerhead-shaped.

The case can be rotated together with the latch bolt 9 and the blocking device 15 by 180 ° in the forend 1 and its recess are installed, so that the lock can be easily converted for a left or right stop.

Like from the Fig. 2 and others can be seen, the latch bolt 9 on the leg 11 facing side surface on a stop 25 which cooperates with the end face 26 of the leg 14 of the blocking device 15 ( Fig. 4 ).

The in the Fig. 2 to 4 illustrated position of the latch bolt 9 and the blocking device 15 corresponds to the position with the door open, so that no contact of the latch bolt 9 and the blocking device 15 is given with a strike plate of a doorstep. In this position, the blocking device 15, or its legs 16 is pivoted by the spring 18 to the outside. As a result, the stop 25 of the latch 9 comes to the end face 26 of the leg 14 of the blocking device 15 to the system, whereby further pushing out of the latch 9 is prevented by the spring 110.

Is the door closed ( Fig. 5-7 ), so the latch bolt 9 and the blocking device 15 come to rest on the strike plate of the door frame and are pushed back against the force of the spring 110, and 18, and swung back. The stop 25 of the latch 9 can therefore slide past the leg 14. Since the latch bolt 9 upon further closing of the door in a corresponding recess of the strike plate can slide, it is pushed by the spring 110 in its locked position ( Fig. 8 to 10 ), whereas the blocking device 15 continues to bear against the strike plate and the leg 16 of the blocking device 15 remains in its pivoted-release position.

In the position after Fig. 11 is the push rod 4 by turning a lock cylinder, not shown, or a door handle or actuator by means of a motor or the like shifted upward, whereby the driver lug 5 of the push rod 4, the retraction member 30 is pivoted clockwise, whereby the retraction member 30 on a stop surface 32 of the recess 24 of the latch bolt 9 comes to rest and pulls the latch bolt 9 against the force of the spring 110 completely back, so that the door can be opened ( Fig. 11 ).

Then comes the blocking device 15 when you open the door out of contact with the strike plate of the door frame, the blocking device 15, or its leg 16 is pivoted by the spring 18 to the outside ( Fig. 14 to 16 ) and the leg 14 therefore pivots inwards and enters the path of movement of the stop 25 of the latch 9.

Then the push rod 4 returns to its rest position so the latch bolt 9 only in their in Fig. 2 to Fig. 4 Trap position shown are pushed out by the spring 110, since the stop 25 of the latch 9 comes to rest against the end face 26 of the leg 14 of the blocking device 15, which is pivoted due to the spring 18 against the center of the case 6 and in the path of movement of the stop 25th the latch bolt 9 passes and this prevents further pushing out in the latch position.

Claims (3)

Door lock with a latch and a latch position having latch bolt (9) which is biased against its extended from the forend (1) of a lock housing latch position and provided with a stop on which a cooperating with a held on a door latch plate, against a Blocking position biased blocking device with open door rests and locks the latch (9) against a beyond the trap position out pushing, wherein the blocking device comprises an inclined ramp surface (17) part comprising, characterized in that the blocking device (15) is substantially L-shaped is formed and in the connecting region of the two legs (14, 16) has a parallel to the longitudinal direction of the forend (1) extending axis (13) which is held in a housing-fixed receptacle and on which the blocking device is pivotally mounted, wherein the blocking device (15 ) against a blocking point ung biased, in which a leg (16) obliquely protrudes from the forend (1) and the ramp surface (17) and the second leg (14) inclined towards the center plane of the latch housing (6) and in the path of movement of the stop (25) of the latch bolt (9) protrudes and blocked in the blocking position of the blocking device pushing out the latch bolt (9) in the latch position. Door lock according to claim 1, characterized in that the blocking device (15) is arranged and held together with the latch bolt (9) in a latch housing (6) which can be inserted into an opening of the forend (1) and fastened in the lock housing, wherein the Fallen housing (6) and the latch bolt (9) around their perpendicular to the forend (1) standing center axis mirrored recesses for receiving a displaceable by means of a lock push rod retraction part (30). Door lock according to Claim 1 or 2, characterized in that the spring (18) biasing the blocking device (15) surrounds the axis (13) of the blocking device (15) and is supported at one end on a housing-fixed part and at the other end at the Blocking device (15) attacks.

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