Locking lever device

Abstract

The invention relates to a locking lever device, in particular a plastic locking lever device, for locking a door leaf (101) to a door frame (102) by means of at least one lever (2) which can be arranged on the door leaf side and which is arranged so as to be movable between a locking position (V), in which the door leaf (101) is locked to the door frame (102), and an open position (O), in which the door leaf (101) is locked to the door frame (102) by means of the at least one lever (2). The lever (2) is locked on a lock bracket (4) which can be arranged on the door frame side, and an open position in which the lever (2) is released from the lock bracket (4). According to the invention, the movement of the lever (2) is guided by means of a lever guide (5) which can be arranged on the door leaf side, the lock bracket (4) and the lever guide (5) having a centering device (6) which comprises two centering slopes (7, 8) for aligning the closed door leaf (101) with respect to the door frame (102). Any one of the centering ramps can be used for a door (100) mounted on the left side, and the other one of the centering ramps can be used for a door (100) mounted on the right side.

Description

[0001] The present invention relates to a rod lock, in particular a plastic rod lock, which is used to lock a door leaf to a door frame using at least one rod, wherein the at least one rod can be arranged on the side of the door leaf and can be moved between a locked position and an open position, in which the rod is locked to a lock frame, which can be arranged on the side of the door frame; in the open position, the rod is released from the lock frame, and the movement of the rod is guided by a rod guide, which can be arranged on the side of the door leaf.

[0002] Such lever locks are used in many technical fields, in particular in industrial applications.

[0003] The lever lock is used to lock the door in its closed position. In the closed position of the door, the door leaf, which is movably connected to the door frame by means of a number of hinges, is locked against the door frame so that it can be opened only after the lock is released. The term "door leaf" should be understood to refer to all types of closing elements, including flaps, hatches, windows or other closing elements. The term "door frame" should be understood to refer to all types of corresponding counterparts that close the door opening.

[0004] The rod lock has at least one axially movable rod which can be moved between a locked position and an open position. The rod is usually arranged on the door leaf and interacts in a locking manner with a lock frame arranged on the door frame. In its locked position, the rod engages behind a locking structure of the lock frame. In the open position, the rod can be released from the lock frame. The rod lock also usually has a rod guide arranged on the door, by which the axial movement of the rod is guided.

[0005] It is known that with many types of doors, in particular heavy doors that are frequently opened and closed, the door leaf tends to sag over time on the side opposite the hinge due to the effects of gravity and wear. This is usually not a problem for the function of the door, but the sagging of the door leaf often leads to an undesirable, uneven appearance of the closed door. With many doors, it is therefore necessary in practice to regularly adjust the door leaf relative to the door frame in order to compensate for the sagging that occurs over time. For this purpose, mechanically complex adjustment devices are usually provided, which have to be readjusted manually.

[0006] A less complicated alternative for other types of doors is to provide centering structures on the door frame and the door leaf, which automatically center the door leaf when the door is closed, i.e. align the door leaf with the door frame. This type of centering structure does not require manual adjustment to compensate for door sagging, nor does it require complex adjustment mechanisms. However, it has proven to be disadvantageous in cases where the door leaf is used for both left-hinged and right-hinged doors. In this case, it is usually necessary to dismantle the centering structures, reposition them according to the respective hinge situation, and then install them accordingly, which involves a certain amount of assembly work.

[0007] Against this background, it is an object of the present invention to provide a lever lock which allows compensating for door sagging in a simple and easy to install manner.

[0008] This object is achieved in a lever lock of the above type, in which the lock frame and the lever guide have a centering device with two centering bevels for aligning the closed door leaf relative to the door frame, one of the two centering bevels being able to be used optionally for a door hinged on the left and one of the two centering bevels being able to be used optionally for a door hinged on the right.

[0009] In this respect, the locking frame and the rod guide have a dual function. The two elements serve not only to lock or guide the rod of the rod lock, but also to align the closed door leaf with the door frame. Compensation for door sags can be achieved by means of the centering device. Due to the two centering bevels, it is not necessary to reposition the centering device when changing a door leaf from a door hinged on the left to a door hinged on the right, and vice versa when changing a door leaf from a door hinged on the right to a door hinged on the left. Alternatively, one of the two centering bevels can be used for the respective hinge situation. The other remains unused. This makes compensation for door sags by means of the locking frame and the rod guide easy to install.

[0010] In an advantageous embodiment, the centering device has at least one protrusion and one recess, and the centering bevel is arranged on the protrusion and the recess. When the door is closed, the protrusion and the recess can interact and achieve the desired centering via the centering bevel.

[0011] In this context, another structurally advantageous embodiment provides that the projection and / or the recess has a trapezoidal, in particular isosceles, shape, and the centering bevel is formed by the waist of the trapezoid. Guided by the centering bevel, the trapezoidal projection can be easily inserted into the trapezoidal recess, which acts as a funnel. This results in a reliable centering that is less prone to errors.

[0012] A further advantageous embodiment provides that the projection is provided on the lock frame and / or the recess is provided on the rod guide.

[0013] According to this embodiment, the design in which the protrusion and / or recess is integrally formed on the lock frame and / or the rod guide is advantageous in terms of design. This minimizes the assembly work, since the protrusion and / or recess does not need to be provided in a separate assembly step.

[0014] Another advantageous embodiment is that the centering bevels each have at least two, preferably four, centering surfaces for guiding the relative movement of the rod guide relative to the lock frame when the door is closed. The relative movement when closing the door can be guided by the centering surfaces. At least two interacting centering surfaces also lead to an advantageous, large-area force transmission and thus relatively low wear. In the case of four centering surfaces, wear can be further reduced. In addition, the four centering surfaces can be arranged symmetrically on both sides of the rod. This also leads to an advantageous, symmetrical introduction of forces.

[0015] A further embodiment in this context is that at least one, preferably two, centering surfaces are provided on the lock frame and / or at least one, preferably two, centering surfaces are provided on the rod guide. The opposing centering surfaces on the lock frame and the rod guide allow a defined relative movement while advantageously applying forces.

[0016] Another advantageous embodiment is that the lock frame and the rod guide have a central area for accommodating the rod and two side areas arranged on the sides of the central area, and the centering bevel is arranged in these two side areas. In this way, the central area can still freely accommodate the rod.

[0017] Advantageously, the centering bevels in the side regions each have two centering surfaces. This allows for good guidance of the relative movement between the lock frame and the rod guide, while ensuring a symmetrical introduction of forces on both sides.

[0018] Another embodiment provides that the centering bevel is aligned mirror-symmetrically to the plane of symmetry and / or point-symmetrically to the point of symmetry. Due to the symmetrical alignment of the centering bevel, these can be used for doors hinged on the left and on the right of the same design without further measures.

[0019] Furthermore, it is proposed that the plane of symmetry extends perpendicularly to the direction of movement of the rod.

[0020] A further structurally advantageous embodiment provides that the plane of symmetry extends along a transverse center plane of the lock frame and / or of the rod guide.

[0021] Finally, according to one embodiment, the lock frame and the rod guide are designed as plastic parts, in particular as injection-molded plastic parts, which is advantageous in terms of production technology. Alternatively or additionally, the rod can also be designed as a plastic rod, in particular as a flat plastic rod, which offers advantages compared to rods that are usually designed as galvanized metal rods, in particular from a cost point of view.

[0022] Furthermore, in order to solve the above problems, a door with a door leaf and a door frame is proposed, wherein a rod lock having one or more of the above features is provided. This produces the advantages already explained in conjunction with the rod lock.

[0023] An advantageous design of the door provides that the door leaf is attached to the door frame by at least one door hinge. Usually, it is recommended to provide at least two hinges, or in the case of a particularly heavy door, three or more hinges.

[0024] An advantageous embodiment provides that the door hinge is fixed to the door frame via a hinge fixing point and the lock frame is fixed to the door frame via a lock frame fixing point, wherein the hinge fixing point and the lock frame fixing point are identical and / or arranged symmetrically with respect to a vertical door center plane. In particular, the drilling patterns of the hinge fixing point and the lock frame fixing point can be identical and / or arranged symmetrically with respect to a vertical door center plane. This enables a simple and user-friendly installation process when changing the door hinge, for example from a door hinged on the left to a door hinged on the right.

[0025] Another advantageous embodiment is that a door seal is provided between the door leaf and the door frame, and the rod lock is arranged outside the area sealed by the door seal. This simplifies the construction of the door and simplifies the sealing of the interior of the door.

[0026] Further details and advantages of the lever lock according to the invention will be explained below with the aid of the accompanying drawings which illustrate an exemplary embodiment.

[0027] Figure 1 is a perspective view of a door hinged on the right with an opening in the area of ​​the locking frame point, when the door is locked,

[0028] Figure 2 is with Figure 1 The door in the figure corresponds to the view when the door is unlocked.

[0029] Figure 3 is with Figure 2 The figure corresponds to a view in which the rod guide is not shown,

[0030] Figure 4 is based on Figure 2 An enlarged detail view of the detail marked IV in FIG.

[0031] Figure 5 This is a three-dimensional front view of the lock frame.

[0032] Figure 6 is based on Figure 5 A three-dimensional rear view of the lock frame,

[0033] Figure 7 is a perspective front view of the rod guide, and

[0034] Figure 8 is based on Figure 7 A perspective rear view of the rod guide.

[0035] Figure 1A perspective view of a door 100 is shown having a door leaf 101 and a door frame 102. The door leaf 101 is movably hinged to the right side of the door frame 102 by two hinges 103.

[0036] A lever lock 1 is provided to lock the door leaf 101 against the door frame 102. The lever lock 1 is located outside a door seal 104 which is arranged circumferentially between the door leaf 101 and the door frame 102.

[0037] As a basic element, the rod lock 1 has a rod 2 which can be moved in the axial direction and is arranged so that it can be moved by an operating element 3. The rod 2 is made of plastic and is designed as a flat rod with a substantially rectangular cross section. The rod 2 is arranged horizontally, i.e. the long side of its cross section extends parallel to the plane of the door leaf 101. The operating element 3 is a pivoting lever handle, but other operating elements are also conceivable, such as a lever handle, a folding handle, a folding lever handle, a key plate with actuation or similar operating elements.

[0038] The rod lock 1 shown in the figure is designed with two rods, a lower rod 2 and an upper rod 2, which move toward or away from each other when the operating element 3 is operated. In this design example, two locking frames 4 are provided, to which the rod 2 is locked. This creates a two-point locking mechanism. However, it is of course possible to provide more locking points by extending the two rods and increasing the number of locking frames 4, in particular for larger doors 100. It is also possible to provide a further locking point in the region of the operating element 3, for example by a deadbolt or a similar locking element.

[0039] Figure 1 The locking position V of the rod lock 1 is shown. In this position, the rod 2 is located behind the locking structure 4.1 of the locking frame 4, so that the rod 2 cannot be moved out of the locking frame 4. In order to open the door 100, the rod 2 must be moved axially so that the narrow point 2.1 of the rod 2 enters the area of ​​the locking frame 4, and the rod 2 can then be moved out of the locking frame 4 in this way. Figure 2 and Figure 3 The open position is shown in FIG.

[0040] Figure 1 and Figure 2 A rod guide 5 of the rod lock 1 mounted on the inside of the door leaf 101 is shown, which guides the axial movement of the rod 2 . Figure 3 The rod guide is not shown in the drawing so that it is easier to see in this figure that in this position one of the narrow points 2.1 of the rod 2 is arranged in the region of the locking structure 4.1 of the locking frame, so that the rod 2 is thus unlocked.

[0041] In addition to the locking function of the locking frame 4 and the guiding function of the rod guide 5, the locking frame 4 and the rod guide 5 also form a centering device 6, see Figure 4In this respect, the lock frame 4 and the rod guide 5 have a dual function. The centering device 6 serves to compensate for any door sagging that may occur over time and to achieve symmetrical alignment of the door leaf 101 relative to the door frame 102 when the door 100 is closed.

[0042] The centering device 6 has two centering bevels 7, 8 extending at an angle to the closing direction of the door 100. Only the upper centering bevel 7 is used to compensate for the door sag. The lower centering bevel 8 is Figure 4 As shown in the figure, the second centering bevel 8 only works when the door leaf 101 of the door 100 is not hinged to the right side of the door frame 102, but is hinged to the left side. To understand this, the process involved in replacing the door hinge will first be described below.

[0043] Figure 1 The door 100 is shown hinged on the right side. The door leaf 101 of the door 100 is hinged to the frame 102 via two hinges 103 in the right-hand region of the door leaf 101. In the region of each hinge there is a hinge fixing point P2. The lever lock 1 is located on the left-hand side of the door 100. The lever lock 1 interacts in a locking manner with a lock frame 4 mounted on the door frame 102. A lock frame fixing point P1 is provided in the region of each lock frame 4.

[0044] In order to replace the hinge of the door 100, the hinge 103 is first released from the hinge fixing point P2. The lock frame 4 is then also released from the lock frame fixing point P1. In the example of embodiment, the lock frame fixing point P1 and the hinge fixing point P2 are identical to each other and are formed by a double bore. It is thus possible to exchange the hinge 103 and the lock frame 4. Alternatively, in the case where the drilling pattern has about three drillings arranged in a triangular shape, the corresponding drilling pattern can also be arranged symmetrically with respect to the door center plane M of the door 100. In this case, the hinge 103 can be easily replaced by the lock frame 4. Once the lock frame 4 has replaced the hinge 103, the door leaf 101 can be rotated to the upper position and connected to the door frame 102 via the door hinge 103 arranged on the left-hand side of the door leaf 101. In the last step, the direction of the operating element 3 must also be changed by rotating it by 180°.

[0045] However, the position or alignment of the rod guide 5 arranged inside the door leaf 101 does not need to be changed. The rod guide 5 can keep its position inside the door leaf 101 unchanged, whether the door leaf 101 is used in a left-hinged or in a right-hinged door 100. After the door hinges have been replaced and the door leaf 101 has been rotated 180° to the upper position, the rod guide 5 is also in the upper position. However, this is not a problem. This is because in this position, it is not the centering bevel 7 that compensates for the door sag, but the centering bevel 8 at the top in this position. In this case, the centering bevel 7 has no effect.

[0046] The following will refer to Figures 5 to 8 The illustrations illustrate details of both the lock frame 4 and the rod guide 5 .

[0047] Figure 5 and Figure 6 A perspective view of a lock frame 4 is shown. The lock frame 4 has a plate-shaped base 4.2 and is fastened to the door frame 102 by two fastening holes 4.3. The lock frame 4 can be divided into three areas, a central area 4.M and two side areas 4.S. The lock frame 4 has a projection 9 in each side area 4.S. The profile of the projection 9 is trapezoidal. The projection 9 is arranged symmetrically with respect to the transverse center plane Q of the lock frame 4 in the manner of an isosceles trapezoid. In addition, the projection 9 is arranged mirror-symmetrically with respect to the longitudinal center plane L. The locking structure 4.1, to which the rod 2 can be locked, is located in a position facing inward from the projection 9. The centering bevels 7, 8 are located at the waist of the trapezoidal projection 9.

[0048] like Figure 7 and Figure 8 As shown, the rod guide 5 also has a plate-shaped base body 5.2. The rod guide 5 also has a central area 5.M ​​and two side areas 5.S, which adjoin the central area 5.M ​​on both sides. In the side areas 5.S, there are lugs 11 protruding outwards at approximately right angles, on each of which a trapezoidal recess 10 is formed. Above and below the recess 10, the lug 11 has an inwardly protruding guide structure 5.1 for guiding the rod 2. The recess 10 has a trapezoidal geometry and has a centering bevel 7 on one side and a centering bevel 8 on the other side, which interact in a centering manner with the corresponding centering bevels 7, 8 of the lock frame 4. The recess 10 is arranged symmetrically with respect to the transverse center plane Q and symmetrically with respect to the longitudinal center plane L of the rod guide.

[0049] The design and arrangement of the protrusion 9 and the recess 10 enable the protrusion 9 to be inserted into the recess 10 when the door is closed. In each case, the centering bevel 7 arranged at the top of both the protrusion 9 and the recess 10 aligns the door leaf 101 with the door frame 102. This is because when the door 100 is closed, the centering surface 7.1 on the lock frame side of the centering bevel 7 slides along the centering surface 7.2 on the rod guide side of the centering bevel 7, thereby generating a certain lifting movement, which counteracts the door droop. Since two centering surfaces 7.1 are provided in each of the two side areas 4.S, 5.S, and two centering surfaces 8.2 are provided in each of the side areas 5.S, this results in a large-area, symmetrical introduction of the weight of the door leaf 101.

[0050] Only the top centering bevel 7 is used. When the door hinge is replaced, the other centering bevel 8 located at the top is used at this location.

[0051] The design of the lever lock described above not only allows the door leaf 101 to be locked to the door frame 102, but also enables any door sag to be compensated at the same time. Even when the door leaf 101 is changed from a left-hand hinged position to a right-hand hinged position, the lever guide 5 does not have to be removed but can remain on the door leaf 101. Two centering bevels 7, 8 are provided for this purpose, of which only one centering bevel 7, 8 is used at a time depending on the rotation.

[0052] Reference numerals list

[0053] 1 Lever Lock

[0054] 2 rods

[0055] 2.1 Narrow Point

[0056] 3 Operating elements

[0057] 4 Locking rack

[0058] 4.1 Locking structure

[0059] 4.2 Matrix

[0060] 4.3 Fastening holes

[0061] 4.M Central Area

[0062] 4.S side area

[0063] 5-rod guide

[0064] 5.1 Boot structure

[0065] 5.2 Matrix

[0066] 5.M Central Area

[0067] 5.S side area

[0068] 6 Centering device

[0069] 7 Centering bevel

[0070] 7.1 Centering surface

[0071] 7.2 Centering surface

[0072] 8 Centering bevel

[0073] 8.1 Centering surface

[0074] 8.2 Centering surface

[0075] 9 protrusion

[0076] 10 recesses

[0077] 11 lugs

[0078] 100 doors

[0079] 101 Doors

[0080] 102 Door Frame

[0081] 103 Door Hinge

[0082] 104 Door seal

[0083] V locked position

[0084] O Open position

[0085] P1 Locking frame fixing point

[0086] P2 hinge fixing point

[0087] S symmetry plane

[0088] M door center plane

[0089] L longitudinal center plane

[0090] Q Transverse center plane.

Claims

1. A rod lock, in particular a plastic rod lock, for locking a door leaf (101) to a door frame (102) by means of at least one rod (2), the at least one rod (2) being arranged on the door leaf side and being movable between a locking position (V) and an open position (O), in which the rod (2) is locked to a locking frame (4) which is arranged on the door frame side; in the open position, the rod (2) is released from the locking frame (4), wherein the movement of the rod (2) is guided by a rod guide (5) which is arranged on the door leaf side, It is characterized in that The lock frame (4) and the rod guide (5) have a centering device (6), which has two centering bevels (7, 8) for aligning the closed door leaf (101) relative to the door frame (102), one of the two centering bevels can be optionally used for a door (100) hinged on the left side, and one of the two centering bevels can be optionally used for a door (100) hinged on the right side.

2. The rod lock according to claim 1, characterized in that The centering device (6) has at least one protrusion (9) and a recess (10), and the centering bevels (7, 8) are arranged on the at least one protrusion and the recess.

3. The rod lock according to claim 2, characterized in that The projection (9) and / or the recess (10) has a trapezoidal shape, in particular an isosceles trapezoidal shape, and the centering bevel (7, 8) is formed by the waist of the trapezoid.

4. The rod lock according to any one of claims 2 or 3, characterized in that: The protrusion (9) is arranged on the lock frame (4) and / or the recess (10) is arranged on the rod guide (5).

5. The rod lock according to any one of claims 2 to 4, characterized in that The protrusion (9) and / or the recess (10) are integrally formed on the lock frame (4) and / or the rod guide (5).

6. Lever lock according to any one of the preceding claims, characterized in that The centering slopes (7, 8) each have at least two, preferably four centering surfaces (7.1, 7.2; 8.1, 8.2) for guiding the relative movement of the rod guide (5) relative to the lock frame (4) when the door (100) is closed.

7. The rod lock according to claim 4, characterized in that At least one, preferably two, centering surfaces (7.1, 8.1) are arranged on the lock frame (4) and / or at least one, preferably two, centering surfaces (7.2, 8.2) are arranged on the rod guide (5).

8. Lever lock according to any one of the preceding claims, characterized in that The lock frame (4) and the rod guide (5) have a central area (4.M, 5.M) for accommodating the rod (2) and two side areas (4.S, 5.S) arranged on the sides of the central area, and the centering bevels (7, 8) are arranged in the two side areas.

9. The rod lock according to claim 8, characterized in that The centering bevels (7, 8) in the side regions (4.S, 5.S) each have two centering surfaces (7.1, 7.2; 8.1, 8.2).

10. Lever lock according to any one of the preceding claims, characterized in that The centering bevels (7, 8) are aligned mirror-symmetrically to the symmetry plane (S) and / or point-symmetrically to the symmetry point.

11. The rod lock according to claim 10, characterized in that The symmetry plane (S) extends perpendicularly to the direction of movement of the rod (2).

12. The rod lock according to claim 10 or 11, characterized in that The symmetry plane (S) extends along a transverse center plane of the lock frame (4) and / or the rod guide (5).

13. Lever lock according to any one of the preceding claims, characterized in that The locking frame (4) and the rod guide (5) are designed as plastic parts, in particular plastic injection-molded parts, and / or are characterized in that the rod (2) is designed as a plastic rod, in particular a flat plastic rod.

14. A door having a door leaf (101) and a door frame (102), characterized in that Lever lock (1) according to one of the preceding claims.

15. The door according to claim 14, characterized in that The door leaf (101) is hinged to the door frame (102) via at least one door hinge (103).

16. The door according to claim 15, characterized in that The door hinge (103) is fixed to the door frame (102) via a hinge fixing point (P2), and the lock frame (4) is fixed to the door frame (102) via a lock frame fixing point (P1), the hinge fixing point (P2) and the lock frame fixing point (P1) being completely identical and / or symmetrically arranged relative to a vertical door center plane (M).

17. The door according to any one of claims 14 to 16, characterized in that A door seal (104) is arranged between the door leaf (101) and the door frame (102), and the rod lock (1) is arranged outside the area sealed by the door seal (104).

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