Locking device

Abstract

This invention relates to a locking device for doors, lattice doors, and lids, wherein a battery-powered motor and an electronic control unit acting on the motor are housed in the stator. A handle (20) is connected to a rotor (30) in a torque-transmitting manner and is held at the rotor (30) by means of a clamping spring (50). The clamping spring (50) has a receiving portion for a magnet (60). Replacement of the battery for the motor can thus be achieved in a simple manner, i.e., the clamping connection between the handle (20) and the rotor (30) is released by external action on the magnet (60).

Description

Technical Field

[0001] This invention relates to a locking device (or closure device, Verrieglungsvorrichtung) for doors, lattices, and lids, comprising a stator and a rotor rotatably supported in the stator, the rotor being directly or indirectly connected to a locking element. A handle in the form of a rotating grip, connected to the rotor in a torque-transmitting manner, can cause the locking element to open or close through rotational movement. Background Technology

[0002] Locking devices for doors, shelves, and lids with a rotary handle are known. In some embodiments of the locking device, electronic components and a battery-powered motor are present in the rotary handle. Since the battery needs to be replaced after a certain period of use, it is desirable to provide easy access to the battery. Summary of the Invention

[0003] The object of the present invention is to provide an improved locking device for doors, lattices and covers, wherein the battery can be replaced in a simple manner.

[0004] This invention is achieved using a locking device having the features of claim 1. The dependent claims describe advantageous embodiments.

[0005] The new locking mechanism for doors, lattice and lids enables easy assembly and disassembly of handles, as well as easy replacement of the battery located in the rotating grip.

[0006] The new locking device includes a stator. Electronic and mechanical structural elements are housed within the housing-like stator to act on the locking element. The electronic structural elements belong to a control unit that, after verifying closure authorization, enables movement of the locking element. Upon confirmation of closure authorization, a motor is actuated to adjust an adjustment mechanism. This adjustment mechanism causes the locking of the rotor and the locking element connected to the rotor to be released from rotation. The motor is battery-powered. The rotor is rotatably supported within the stator and is directly or indirectly connected to the locking element. To move the rotor, a handle in the form of a rotating grip is provided. In a preferred embodiment, the handle is a cylindrical cover that completely covers not only the rotor but also the stator. Such a cover consists of a column closed on one side, with its opening inserted into the stator and rotor, such that the circumference of the column and the closed upper side cover both the rotor and the stator.

[0007] The new locking device's handle is held at the rotor via a clamping connection by means of a clamping spring. This clamping connection allows the handle to act on the rotor in a torque-transmitting manner, so that when the handle is turned, the rotor rotates and the locking element performs an opening or closing motion. The clamping spring between the handle and the rotor additionally has a receiving portion for a magnet. This magnet is only used for removing the handle. The clamping connection between the handle and the rotor is released by external action on the magnet. For this purpose, an additional magnet needs to be brought closer to the handle from the outside and brought near the magnet fixed at the clamping spring. The magnet supported at the clamping spring is moved by magnetic action (attraction, repulsion). Such movement of the magnet either changes the position of the entire clamping spring or changes the position of the individual sections of the clamping spring relative to each other, which, depending on the selected arrangement and design of the clamping spring between the handle and the rotor, results in the release of the clamping connection, allowing the handle to be pulled out. This provides access to the internally located battery, which can be removed and a new battery inserted. To simplify the positioning of the externally acting magnet during disassembly, in a preferred embodiment, the handle is provided with a feature.

[0008] Disassembly is particularly simple, achieved by means of a disassembly tool that includes a magnet acting externally on the locking device. Furthermore, the disassembly tool has features adapted to the handle. In a preferred embodiment, the disassembly tool is a disassembly ring with a matching shape and inner diameter, which is pushed onto the handle and, during its placement movement, brings its magnet close to a magnet supported in a clamping spring, causing the clamping connection to loosen through magnetic influence. Attached Figure Description

[0009] The present invention will now be described with reference to an embodiment. The accompanying drawings include:

[0010] Figure 1 A side view of the locking device according to the invention is shown.

[0011] Figure 2 Shown before assembling the handle Figure 1 Side view of the locking device.

[0012] Figure 3 A perspective view of the clamping spring is shown.

[0013] Figure 4 Shown before assembling the handle Figure 1 Another side view of the locking device.

[0014] Figure 5 It shows the disassembly process according to... Figure 1 A perspective view of the locking device and the release ring.

[0015] Figure 6 The disassembly process was shown according to... Figure 1 A perspective view of the locking device and the release ring. Detailed Implementation

[0016] Figure 1 A locking device 10 for doors, lattices, and covers according to the invention is shown. The locking device 10 includes a stator 40 and a rotor 30 rotatably supported within the stator 40. Mechanical structural elements, an electronic control unit, a motor, and a battery are housed in the stator 40. Upon confirmation of closure authorization, the motor is manipulated to adjust an adjustment mechanism. This adjustment mechanism causes a lock to release the rotation of the rotor 30 and the locking element connected to the rotor 30. The aforementioned mechanical and electronic structural elements are not shown. In this example, the rotor 30 is anti-rotatingly connected to a drive wheel 70, which moves a locking element (not shown) as the rotor 30 rotates. The rotational movement of the rotor 30 is caused by a handle 20.

[0017] The handle 20 is a cover consisting of a closed column on one side, wherein the circumferential surface 21 and the closed upper side 24 of the column cover the rotor 30 and the stator 40. The handle 20 is held at the rotor 30 by means of a clamping spring 50. A magnet 60 is supported at the clamping spring 50, which is not used to help fix the handle 20 at the rotor 30, but only to remove the handle 20. This clamping connection can be released again by external action on the magnet 60 and the resulting movement of the magnet 60.

[0018] Before describing the release of the clamping connection, the design of the clamping spring 50 and the retention of the handle 20 at the rotor 30 achieved by the clamping spring 50 are discussed below. In this example, the clamping spring 50 is formed from a strip of sheet metal. Strips made of other materials are also possible, provided sufficient clamping force can be obtained. The sheet metal strip of the clamping spring 50 forms a spring tab, as from... Figure 2 and Figure 3As can be best seen from the image, the clamping spring 50 is shown separately there. The spring tab is bent into a hook 57 at the upper end and forms a U-shaped retaining arm 52 at the lower end. In this case, the retaining arm 52 surrounds the square magnet 60. To prevent the magnet 60 from sliding laterally out of the U-shaped receiving space 51 of the retaining arm 52, two additional bends 53 are provided. Thus, the magnet 60 is surrounded on all sides and reliably supported in the clamping spring 50. The spring tab has an intermediate clamping section between the upper and lower ends, starting from the retaining arm 52 with vertically oriented legs, which is a connecting horizontal tab section 54 and an upwardly connected inclined tab section 55. The inclined tab section 55 then transitions into a vertical tab section 56, at the free end of which there is a hook 57 for engagement with the rotor 30. The intermediate clamping section, formed by the horizontal connecting piece section 54 and the inclined connecting piece section 55, forms a nose-shaped portion oriented opposite to the hook 57. The inclined connecting piece section 55 is longer than the other connecting piece sections, extending over at least half the length of the entire spring connecting piece. A punched portion 58 is present in this inclined connecting piece section 55, thereby forming a support connecting piece 59. This support connecting piece 59 is bent out from the inclined connecting piece section and is vertically oriented in this case, so that it can be supported at the wall 33 of the vertical structure of the rotor 30.

[0019] like Figure 1 As shown, with a clamping connection between the rotor 30 and the handle 20, the clamping spring 50 is inserted into the rotor 30. (As shown from...) Figure 4 As can be best understood, the rotor 30 has a recess 31, sized so large that the retaining arm 52 can be pushed into this recess 31 along with the magnet 60. Here, the inwardly pointing hook 57 also engages in a slot 32 at the rotor 30. The slot 32 is slightly wider, so that the hook 57 can move upward within the slot 32 if necessary when assembling the handle. When the clamping spring 50 is inserted, the nose-shaped portion formed by the horizontal tab section 54 and the inclined tab section 55 points away from the rotor 30 and protrudes outward. If the handle 20 is now pushed onto the rotor 30 with the pre-assembled clamping spring 50, the handle 20 slides along the inclined tab section 55 and over the nose-shaped portion. To ensure the position of the clamping spring 50 and to ensure that the handle 20 is held at the rotor 30, an inwardly pointing protrusion or rib is provided on the inner side of the cylindrical circumferential surface 21 of the handle 20. Figure 1 As can be seen, the first protrusion 22 is arranged such that it is in front of the recess 31 at the rotor 30 when a clamping connection is present. The second protrusion 23 is located above the first protrusion 22. The second protrusion is arranged such that it is directly below the outwardly pointing nose-shaped portion when a clamping connection is present, the nose-shaped portion being formed by the horizontal contact section 54 and the inclined contact section 55 of the clamping spring 50. Figure 2As indicated by the arrow, if the handle 20 is placed on the rotor 30 from above, the first protrusion 22 and then the upper protrusion 23 slide along the inclined tab section 55, pressing the nose-shaped portion inward. After the second protrusion 23 passes the nose-shaped portion, the nose-shaped portion is pressed outward again by spring force and positioned in front of the upper protrusion 23, thereby preventing the handle 20 from being pulled out and thus reliably holding the handle 20 in place.

[0020] In this example, a removal ring 80 is used to remove the handle 20. Figure 5 As shown in the diagram. The disassembly ring 80 is a double-walled tubular cylinder with vertically oriented inner and outer walls. The inner diameter of the disassembly ring 80 is adapted to the outer diameter of the cover-shaped handle 20, thereby allowing the disassembly ring 80 to slide downward along the cylindrical circumferential surface 21 of the handle 20 with its cylindrical inner side. Figure 6 As shown, the release ring 80 has an internal receiving portion 82 for supporting and positioning the magnet 83. The external magnet 83 allows external action on the magnet 60 supported in the clamping spring 50. In order to apply magnetic action to the magnet 60 arranged within the handle 20, the external magnet 83 must be brought near the internal magnet 60. Precise positioning is supported by corresponding features at the handle 20 and the release ring 80. For this purpose, the handle 20 may have a feature 25 on the outer side of the circumferential surface 21 of the column and / or on the upper side 24. If the locking device 10 is also a device that can be mechanically closed by means of a key, a slot for the key can also be used as such a feature, as... Figure 5 As shown in the diagram, the release ring 80 is also marked. In this example, the release ring 80 has features 81, 81' on its upper side and its outer side. For accurate positioning, the release ring 80 is rotated such that features 81, 81' are aligned with the groove of the handle 20 on an imaginary line. Then, the release ring 80 has the correct rotational position with respect to the locking device 10, see... Figure 5If the disassembly ring 80 is now lowered downwards (i.e., in the direction of the arrow), the outer magnet 83 approaches the inner magnet 60. In this example, the two magnets 60, 83 are oriented such that the approach of the outer magnet 83 causes magnetic repulsion in the inner magnet 60. The inner magnet 60 is forced backwards into the rotor interior, and together they pull the clamping spring 50. Here, the inclined tab section 55 of the clamping spring 50 abuts against the rotor wall 33, and the support tab 59 is located within the inclined tab section 55. The outwardly protruding nose is pulled out through the protrusion 23. The internal corner between the horizontal tab section 54 and the support arm 52 is located in the shoulder 34 at the rotor 30. Due to the change in position of the clamping spring 50, the clamping action is canceled and the handle 20 can be pulled out. After the disassembly ring 80 is removed, the clamping spring 50 returns to its original position. The components of the locking device 10 are now accessible, and the battery can be replaced. If necessary, a new handle with a different design but the same structure can also be installed. The handle 20 shown has a surface structure 2 on the outer side of the column circumference 21 in the upper cover half. This surface structure provides grip and is a design feature.

[0021] List of reference numerals in the attached diagram:

[0022] 10 Locking Devices

[0023] 20 hands

[0024] 21 prism circumference

[0025] 22 protrusions

[0026] 23 protrusions

[0027] 24 upper side

[0028] 25 Feature Section

[0029] 26 Surface Structure

[0030] 30 rotors

[0031] 31U shaped recess

[0032] 32 slots

[0033] 34 shoulder

[0034] 40 stator

[0035] 50 clamping springs

[0036] 51 U-shaped storage space

[0037] 52 holding arms

[0038] 53 Bending section

[0039] 54 horizontal connection section

[0040] 55-degree inclined joint section

[0041] 56 Vertical splicing section at the top

[0042] 57 hooks

[0043] 58 Cutting Department

[0044] 59 Support Pieces

[0045] 60 magnets

[0046] 70 Drive wheel for locking element

[0047] 80 disassembly ring

[0048] 81,81' Feature section

[0049] 82 Accommodation Department

[0050] 83 Magnet

Claims

1. A locking device for doors, lattice panels, and covers, comprising a stator (40) and a rotor (30) rotatably supported in the stator (40), the rotor being directly or indirectly connected to a locking element. in, The stator contains a battery-powered motor and an electronic control unit that operates on the motor. The device includes a handle (20) in the form of a rotating grip, which is connected to the rotor (30) in a manner that transmits torque. Its features are, The handle (20) is held at the rotor (30) by means of a clamping spring (50). The clamping spring (50) has a receiving portion for the magnet (60). To replace the battery for the motor, the clamping connection between the handle (20) and the rotor (30) can be released by external force applied to the magnet (60); and The clamping spring (50) is formed from a strip, the strip forming a spring tab with a middle clamping section (54, 55), wherein the spring tab forms a retaining arm (52) with a U-shaped receiving space (51) for the magnet (60) at its lower end, and wherein the spring tab is bent into a hook (57) at its upper end.

2. The locking device according to claim 1, characterized in that, When there is a clamping connection between the handle (20) and the rotor (30), the hook (57) engages in a groove (32) at the rotor (30), wherein the groove (32) is sized such that the hook (57) can move within the groove when the handle (20) is removed.

3. The locking device according to claim 1, characterized in that, When there is a clamping connection between the handle (20) and the rotor (30), the retaining arm (52) engages together with the magnet (60) in a recess (31) at the rotor (30), wherein the recess (31) is sized such that the retaining arm (52) can move inward and / or downward when acting on the magnet (60).

4. The locking device according to claim 3, characterized in that, The intermediate clamping section (54, 55) is composed of a horizontal contact section (54) and an inclined contact section (55), which form a nose-shaped portion pointing outward from the rotor (30), wherein the inclined contact section (55) extends over at least half the length of the spring contact.

5. The locking device according to claim 4, characterized in that, A punched portion (58) is present in the inclined joint section (55), thereby forming a support joint (59), which is vertically oriented and supported at the wall (33) of the vertical structure of the rotor (30).

6. The locking device according to claim 4 or 5, characterized in that, The handle (20) is a cover consisting of a column that is closed on one side, wherein the circumferential surface (21) of the column and the closed upper side (24) cover the rotor (30) and the stator (40).

7. The locking device according to claim 6, characterized in that, The handle (20) has a first protrusion (22) and a second protrusion (23) on the inner side of the circumferential surface (21) of the column, wherein the first protrusion (22) is arranged such that it is located in front of the recess (31) at the rotor (30) when there is a clamping connection between the handle (20) and the rotor (30).

8. The locking device according to claim 7, characterized in that, The second protrusion (23) is arranged above the first protrusion (22) and is located directly below the outwardly pointing nose when there is a clamping connection between the handle (20) and the rotor (30), the nose being formed by the horizontal contact section (54) and the inclined contact section (55).

9. The locking device according to claim 8, characterized in that, When the handle (20) is assembled, the second protrusion (23) can slide along the inclined tab section (55) into its clamping position.

10. The locking device according to claim 6, characterized in that, The handle (20) has a surface structure (26) on the outer side of the circumferential surface (21) of the column.

11. The locking device according to claim 6, characterized in that, The handle (20) has a feature (25) on the outer side and / or upper side (24) of the peripheral surface (21) of the column for supporting disassembly, i.e. for supporting the positioning of an external magnet (83) that can act on the magnet (60) held in the clamping spring (50).

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