Lock for doors and flaps on compartments or the like, and furniture with such a lock

Abstract

Lock (10) for doors and flaps on compartments or the like, with a stator (30), a rotor (40) and a locking element connected to the rotor (40), wherein the lock (10) has a locking position (10.1) in which the lock (10) is locked by means of the locking element and movement of the rotor (40) is blocked and thus the compartment is inaccessible, and a release position (10.2) in which the lock (10) is released and movement of the rotor (40) and the locking element and thus opening of the compartment is possible, with a handle (20) which is connected to the rotor (40) in a torque-transmitting manner and whose movement is blocked when the lock (10) is in its locking position (10.1), but whose movement is released when the lock (10) is in its release position (10.2) and which can then be rotated into an opening position (20.1) and thereby moves the rotor (40) and the locking element, with an electronic control which, upon successful authorization query, can move the lock (10) from its locking position (10.1) to its release position (10.2) and which can also move the lock (10) from its release position (10.2) to its locking position (10.1), with a battery compartment (22) which is arranged on or in operative connection with the handle (20) and into which one or more batteries (21) or accumulators can be inserted to supply electrical energy to the control, opening and closing of the lock (10), authorization query and / or other components of the lock (10) and which can be closed with a battery compartment cover (23), characterized by that one or more projections (24) are provided on the battery compartment cover (23) which interact with at least one groove (31) on the stator in such a way that the groove (31) prevents the projections (24) from moving outwards, thus preventing the battery compartment cover (23) from being removed, and that one or more recesses (32) extending through the groove wall are provided on the stator (30), which are aligned in at least one fixedly defined position of the handle (20) on the projections (24) of the battery compartment cover (23) and form a removal position (23.1), so that the groove (31) releases the projections (24) and the battery compartment cover (23) can be removed in this removal position (23.1).

Description

[0001] The invention relates to a lock for doors and flaps on compartments, cabinet systems, pieces of furniture and the like. Such locks are mainly used in locker systems, such as those provided in schools, swimming pools, saunas, fitness centers, universities, companies and the like, or in cabinets in offices, on lockers, compartments, flaps, drawers, etc.

[0002] However, particularly when used in schools where each subject may still be assigned to a specific student, it can happen that a child is being played a prank and, for example, the lock's battery compartment is opened and the battery is removed. The lock can then no longer be opened by entering the code because the control system no longer has any power. Of course, other cases are also conceivable in which people can intentionally or inadvertently open the battery compartment and remove the battery, making it impossible to return the lock to its release position. This is extremely annoying, however, as it then requires either a new battery to be obtained or an administrator or other authorized person to open the lock.

[0003] The object of the invention is therefore to avoid the aforementioned disadvantages and to provide a lock in which the battery compartment cover cannot be easily removed when the lock is in its locked position. A further object of the invention is to provide a piece of furniture with a lock according to the invention. These objects are achieved by the characterizing features of claims 1 and 17, which are of particular importance as follows.

[0004] The lock has a battery compartment which is arranged on or in operative connection with the handle. The battery compartment can also be provided in a static housing part which can be released by the handle. The battery compartment cover has one or more projections. When the battery compartment cover closes the battery compartment and the handle performs a rotary movement, the projection(s) move in a groove in the stator of the lock. This prevents the battery compartment cover from being removed, as the groove prevents the battery compartment cover from moving away from the handle by blocking the projection(s). The stator also has one or more recesses which extend through the groove wall.In at least one fixed position of the handle, the projections are aligned with the recesses and form a removal position in which the projections can be guided out of the groove, allowing the battery compartment cover to be removed. If the movement of the handle is blocked, the handle cannot assume the intended position, and the battery compartment cover cannot be moved into the removal position. With a lock in the locked position, removal of the battery compartment cover and removal of the battery are thus impossible. Particularly preferably, one or more recesses are provided for each projection.

[0005] In a particularly preferred embodiment, a knob serves as the handle. This is easy to use, robust, and comfortable to operate. Other forms of handles, such as latches, levers, grips, or the like, are of course also conceivable and encompassed by the inventive concept. If a knob is used, it can include knurling or another structure on its outer circumference. This makes it even easier for an operator to perform a rotational movement with the knob.

[0006] Particularly preferably, the opening position of the handle corresponds to the removal position of the battery compartment cover. This allows an authorized operator to open the lock, turn the handle, and access the contents of the compartment. Should it become necessary to open the battery compartment, for example, to replace the battery, this can be done while the compartment is still open. The operator does not need to specifically adjust the handle's position to open the battery compartment.

[0007] Furthermore, it is advantageous if the opening position of the handle corresponds to the maximum rotation of the handle. This allows an operator to operate the handle and open the compartment behind it with a single movement. This is particularly convenient for an operator if the maximum rotation is 90 degrees.

[0008] Particularly preferred is the lock designed so that there are two installation positions that have a rotation direction that differs by 180 degrees. This allows the handle to rotate to the right in one installation direction and to the left in the other. This allows the lock to be used on both right- and left-hinged doors. It's not necessary to provide two different locks, which is more cost-effective in terms of manufacturing and storage.

[0009] It is particularly preferred that the battery compartment cover be secured with an additional fastener. This prevents the battery compartment cover from being accidentally opened when the handle is in its open position and the battery compartment cover is in its removal position. The battery compartment cover must then always be opened consciously and intentionally. It is particularly secure against unauthorized access if a screw, such as a hexalobular socket screw or a hexalobular socket screw with a pin, serves as the fastener. In the latter case, special tools are required to loosen the screw, which are often unavailable to students, for example, who want to play a prank.

[0010] In one embodiment, the authorization query for moving the lock to its release position is carried out via a keypad, with which an individual authorization code for the lock can be entered. This is particularly simple if the locks are to be available to a large number of different users. Of course, other options for access authorization are also encompassed by the inventive concept, such as transponders, magnetic or chip cards, fobs, codes transmitted by electronic devices such as tablets, notebooks, or smartphones, remote controls based on radio, infrared, Wi-Fi, mobile network, or Bluetooth technology, code transmission via apps or other software solutions, etc. Any type of access authorization is conceivable here.

[0011] Preferably, a higher-level administrator or master code is also provided, which can open the lock independently of the individual authorization code. Such a code is typically used by the owner or administrator of the locker system, for example, the caretaker of a school, the owner of a gym, swimming pool, or sauna, etc.

[0012] Furthermore, a display is preferably provided. This can indicate, for example, whether the lock is in its locked or unlocked position, whether the batteries are low and need replacing soon, etc. The display can be an LED or a light guide, which displays different colors depending on the status to be indicated. Furthermore, it can be provided that an emergency power supply to the lock is provided, for example, in the event of a total battery failure. This can be achieved, for example, via the display – a component on the lock that can be removed and / or destroyed to gain access to the interior of the lock.

[0013] In a preferred embodiment, the battery compartment cover, when closed, blends visually and / or haptically into the exterior of the handle, creating an appealing overall appearance. The battery compartment cover is then indistinguishable from the rest of the handle at first glance. This makes the handle appealing.

[0014] Furthermore, a piece of furniture with at least one of the aforementioned locks is also the subject of the present invention. A cabinet or locker system, or a similar piece of furniture with a plurality of individually lockable compartments, is particularly suitable as such a piece of furniture.

[0015] Further advantages and embodiments of the invention are shown in the dependent claims, the following description, and the drawings. The figures illustrate the invention in an exemplary embodiment. They show: Fig. 1: a lock according to the invention, perspective from the side, Fig. 2: the castle from Fig. 1, perspective from the front, Fig. 3: the castle from Fig. 1 and Fig. 2, with battery compartment cover removed, perspective from the front, Fig. 4: the castle from Fig. 1 to 3, with the battery compartment cover removed, perspective view from behind, Fig. 5: the lock from the previous figures with the stator removed, perspective from the front.

[0016] Fig. 1 and Fig. 2 shows an embodiment of the lock 10 according to the invention in the locking position 10.1. A locking element (not shown here) locks the lock 10 and prevents both the opening of the locked compartment and the rotation of the handle 20. The handle is designed here as a knob 20 and has a keypad 11 for entering an authorization code for access authorization and for moving the lock 10 into the release position 10.2.

[0017] The outer circumference 26 of the knob 20 is provided with a knurling 27 to make operation easier and more comfortable. The battery compartment cover 23 fits almost seamlessly into the outer circumference 26 of the knob 20. This creates a pleasing overall visual appearance of the knob 20.

[0018] Furthermore, the display 12 is visible. In this embodiment, it is a translucent cover behind which a light guide or LED is concealed. This can be achieved by using different colors.

[0019] Finally, the screw 25 can be seen, which serves as an additional fastening means to secure the battery compartment cover 23 against removal, especially when the knob 20 is in its opening position 20.1. In this exemplary embodiment, the battery compartment cover 23 is then in its removal position 23.1, but the battery compartment cover 23 should not be removed during every opening process. The additional fastening means 25 also prevents accidental removal of the battery compartment cover 23.

[0020] The securing of the battery compartment cover 23 on the handle 20 shows the Fig. 3 to 5. In the Fig. 3 and Fig. 4, the handle 20 is in its opening position 20.1 and the battery compartment cover 23 is in its removal position 23.1. The battery compartment 22 is open and the battery 21 is accessible. Of course, multiple batteries 21 can be arranged in the battery compartment 22, and the batteries 21 can also have a different shape.

[0021] The battery compartment cover 23 is in the Fig. 3 and Fig. 4 from the knob 20. The two recesses 32 on the stator 30 can be seen, while two projections 24 are provided on the battery compartment cover 23, as Fig. 4. These projections 24 extend into two receptacles 41 of the rotor 40 and are moved along with the knob 20 and the rotor 40 when the knob 20 is moved. In doing so, they are inserted into the groove 31 on the stator 30, which is Fig. 5. Only when the projections 24 and the receptacles 41 on the rotor 40 are operatively connected to the recesses 32 on the stator 30 can the battery compartment cover 23 be removed from the handle. In this embodiment, two recesses 32 are also provided for the two projections 24. However, there are two sets of two recesses 32 each, as shown in the Fig. 4 and Fig. 5. The second set is directly opposite the first by 180 degrees. This second set is used when the closing direction of lock 10 has been changed to accommodate left-hinged doors. As shown in the figures, lock 10 is used for right-hinged doors.

[0022] Finally, it should be noted that the embodiments presented here are merely exemplary embodiments of the invention. The invention is not limited to them. Rather, modifications and variations are possible. For example, a kinematic reversal of the components relative to one another is also conceivable. Instead of the groove, for example, at least one rib could be provided into which the projections engage. List of reference symbols: 10 Castle 10.1 Locking position of 10 10.2 Release position of 10 11 Keyboard 12 Advertisement 20 Handle, knob 20.1 Opening position of 20 21 Battery 22 Battery compartment 23 Battery compartment cover 23.1 Withdrawal position of 23 24 lead 25 fasteners, screw 26 outer circumference of 20 27 Knurling 30 Stator 31 grooves 32 recess 40 rotor 41 recording

Claims

[1] Lock (10) for doors and flaps on compartments or the like, with a stator (30), a rotor (40) and a locking element connected to the rotor (40), wherein the lock (10) has a locking position (10.1), in which the lock (10) is locked by means of the locking element and a movement of the rotor (40) is blocked and thus the compartment is not accessible, and a release position (10.2), in which the lock (10) is released and a movement of the rotor (40) and the locking element and thus an opening of the compartment is possible, with a handle (20) which is connected to the rotor (40) in a torque-transmitting manner and whose movement is blocked when the lock (10) is in its locking position (10.1), but whose movement is released when the lock (10) is in its release position (10.2) and which can then be rotated into an opening position (20.1) and thereby moves the rotor (40) and the locking element, with an electronic control which, upon positive authorization query, can move the lock (10) from its locking position (10.1) to its release position (10.2) and which can also move the lock (10) from its release position (10.2) to its locking position (10.1), with a battery compartment (22) which is arranged on or in operative connection with the handle (20) and into which one or more batteries (21) or accumulators can be inserted in order to supply the control, the opening and closing of the lock (10), the authorization query and / or other components of the lock (10) with electrical energy and which can be closed with a battery compartment cover (23), characterized by , that one or more projections (24) are provided on the battery compartment cover (23), which interact with at least one groove (31) on the stator in such a way that the groove (31) blocks outward movement of the projections (24), so that removal of the battery compartment cover (23) is prevented, and that one or more recesses (32) extending through the groove wall are provided on the stator (30), which recesses are aligned with the projections (24) of the battery compartment cover (23) in at least one fixedly defined position of the handle (20) and form a removal position (23.1), so that the groove (31) releases the projections (24) and the battery compartment cover (23) can be removed in this removal position (23.1). [2] Lock (10) according to claim 1, characterized by that a knob (20) serves as a handle. [3] Lock (10) according to claim 1 or 2, characterized by that the outer circumference (26) of the knob (20) is provided with a knurling (27) or another structure. [4] Lock (10) according to one of claims 1 to 3, characterized by that the opening position (20.1) of the handle (20) corresponds to the removal position (23.1) of the battery compartment cover. [5] Lock (10) according to one of claims 1 to 4, characterized by that the opening position (20.1) of the handle (20) corresponds to the maximum intended rotation of the handle (20) in which the locking element makes the compartment accessible. [6] Lock (10) according to claim 5, characterized by that the maximum intended rotation of the handle (20) into its opening position (20.1) is 90 degrees. [7] Lock (10) according to one of claims 1 to 6, characterized by that the lock (10) can be installed in two different directions of rotation, 180 degrees apart, and the handle (20) can be turned to the right in one installation direction and to the left in the other installation direction. [8] Lock (10) according to one of claims 1 to 7, characterized bythat the battery compartment cover (23) is additionally secured by a fastening means (25). [9] Lock (10) according to claim 8, characterized by that a screw (25), preferably a hexalobular socket screw or a hexalobular socket screw with a pin, serves as the fastening means. [10] Lock (10) according to one of claims 1 to 9, characterized by that the authorization query is carried out via a keyboard (11) into which an individual authorization code can be entered. [11] Lock (10) according to claim 10, characterized by that an administrator code is provided which can move the lock (10) into its release position (10.2) independently of the individual authorization code. [12] Lock (10) according to one of claims 1 to 11, characterized by that an indicator (12) is provided which indicates whether the lock (10) is in its locking position (10.1) or in its release position (10.2). [13] Lock (10) according to claim 12, characterized by that an LED and / or a light guide acts as the display (12). [14] Lock (10) according to one of claims 12 or 13, characterized by that an emergency opening of the lock (10) can be carried out via the display (12). [15] Lock (10) according to one of claims 1 to 14, characterized by that the battery compartment cover (23) in the closed state fits into the overall optical and / or haptic appearance of the handle (20). [16] Lock (10) according to one of claims 1 to 15, characterized by that at least one receptacle (41) for the projection (24) is provided on the rotor (40), preferably at least one receptacle (41) for each projection (24). [17] Furniture with at least one lock (10) according to one or more of claims 1 to 16.

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