Swivel lever and swivel lever system for operating the closure mechanism of an access control device.
The swivel lever system enhances security by using adjustable locking elements and magnets with magnetic interaction, protecting against external damage and unauthorized access, while optimizing material properties for improved durability and functionality.
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- DIRAK DIETER RAMSAUER KONSTRUKTIONSELEMENTE GMBH & CO KG
- Filing Date
- 2023-09-19
- Publication Date
- 2026-04-22
AI Technical Summary
Existing swivel levers for access control devices lack sufficient protection against external contamination and damage, particularly in their locking mechanisms, which can be vulnerable to unauthorized access and vandalism.
The swivel lever system incorporates adjustable locking elements and adjustment magnets made from different materials, with magnetic interaction allowing secure transitions between locked and unlocked positions, and is designed with non-ferromagnetic materials for the base and actuating lever to enhance protection.
This design provides high-level protection against external contamination and damage, ensuring secure operation without external access to adjustment magnets and optimizing mechanical and magnetic properties for enhanced security and durability.
Smart Images

Figure 2026512956000001_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to an access control device, particularly a closure device for a door and / or hatch, particularly a pivot lever for actuating bolt closure means and / or rod closure means, the pivot lever comprising a base portion for attaching the pivot lever, particularly to an access control device, and an actuating lever for actuating the closure device, the actuating lever being pivotable relative to the base portion between a latching position for latching the actuating lever to the base portion and an actuating position for actuating the closure device and / or during the actuation of the closure device, and at least one locking element for fixing the actuating lever against unauthorized pivoting from the latching position to the actuating position being provided so as to be adjustable between a locking position that reliably prevents pivoting of the actuating lever and a release position that allows pivoting of the actuating lever. Furthermore, the present invention relates to a pivot lever system comprising at least one such pivot lever and a key suitable for the pivot lever.
[0002] Access control devices capable of locking and unlocking an access point are known in various different configurations, for example in the form of a door or hatch. In this case, regardless of its configuration, the access control device often has at least one closure device, whereby it is prevented that the access control device inadvertently moves from a position closing the access point to a position releasing the access point and / or is correspondingly adjusted by an unauthorized person.
[0003] Closure devices include, for example, bolt closure means. A bolt closure means typically has at least one bolt that is adjustable between a position that reliably prevents the access control device from opening and a position that allows the access control device to open. In this case, a bolt closure means in which the bolt may be rotatable and / or rotated is often also called a rotary bolt closure means. In addition to bolt closure means, so-called rod closure means are known, which typically have at least one rod element. In this case, at least one rod element makes it possible to fix the access control device in place, for example, on a frame, at two or more points that are spaced apart from each other, for example, located on opposite sides of each other. This can enhance security against unauthorized opening of the access control device.
[0004] Regardless of the configuration of the closure device, a swivel lever is often used to operate it. A swivel lever typically comprises a base portion to which it can be attached to an access control device, and an actuating lever used to operate the closure device. In this case, the actuating lever is generally rotatable relative to the base portion between a locked position where the actuating lever can be locked to the base portion and an actuating position where the closure device can be operated by the actuating lever. The swivel lever offers the advantage of allowing high torque to be introduced into the closure device with little effort.
[0005] To fix the operating lever from the locked position to the operating position, for example, against unauthorized rotation by an unauthorized person, the swivel lever often has at least one locking element. In this case, this at least one locking element is typically adjustable between a locked position in which the locking element reliably prevents the operating lever from rotating from the locked position to the operating position, and a released position in which the locking element allows the operating lever to rotate from the locked position to the operating position. Typically, a key suitable for the swivel lever is provided for adjusting the at least one locking element from the locked position to the released position.
[0006] Such a swivel lever and such a swivel lever system are known based on Patent Document 1. In this case, at least one locking element is designed as a locking magnet, and the key has at least one key magnet, thereby allowing the locking magnet to be adjusted from a locked position to a released position by magnetic interaction with the key magnet. This has the advantage that when the operating lever is closed, it is not necessary to allow access to at least one locking magnet from the outside, thereby allowing adjustment from the locked position to the released position. This means that the locking mechanism can be better protected from external contamination and damage, for example, by vandalism. However, there is still a need for a swivel lever with improved characteristics. [Prior art documents] [Patent Documents]
[0007] [Patent Document 1] German Patent Application Publication No. 10 2020 108 484(A1) [Overview of the Initiative] [Means for solving the problem]
[0008] Therefore, the fundamental objective of the present invention is to configure and further develop the swivel lever and swivel lever system of the embodiments described at the beginning and in more detail above, so as to improve the characteristics of the swivel lever to a high level of protection against external contamination and damage.
[0009] This objective is achieved in the example of the swivel lever described in the premise of claim 1, wherein at least one locking element is adjustable from a locked position to a released position by adjusting at least one adjustment magnet from a basic position to an unlocked position, and at least one adjustment magnet is adjustable from a basic position to an unlocked position by magnetic interaction with at least one key magnet of a key suitable for the swivel lever, and at least one locking element and at least one adjustment magnet are formed from different materials.
[0010] The above-mentioned objectives are further achieved by a swivel lever system, according to claim 16, comprising at least one swivel lever according to any one of claims 1 to 15, and a key suitable for the swivel lever and having at least one key magnet for adjusting at least one adjustment magnet of the swivel lever from a basic position to an unlocked position.
[0011] Therefore, according to the present invention, the swivel lever has at least one adjustment magnet that is adjustable from a basic position to an unlocked position. In this case, by adjusting this at least one adjustment magnet from the basic position to the unlocked position, at least one locking element can be adjusted from the locked position to the released position. Alternatively, at least one adjustment magnet can be adjusted from the basic position to the unlocked position by magnetic interaction with at least one key magnet of a key suitable for the swivel lever. Therefore, by magnetic interaction between at least one adjustment magnet and at least one key magnet, the adjustment magnet can be adjusted from the basic position to the unlocked position, thereby again adjusting at least one locking element from the locked position to the released position. This provides, for one thing, a high level of protection against external contamination and damage, because in the locked position of the operating lever, it is not necessary to have external access to the adjustment magnet and the locking element in order to adjust the locking element from the locked position to the released position. Rather, in the locked position of the operating lever, external access to at least one adjustment magnet and / or at least one locking element can be made impossible. Another possibility is that at least one locking element can be formed from a different material than at least one adjustment magnet. In this way, the materials and material properties of the locking element and adjustment magnet can be made independent of each other and adapted to their respective purposes, ultimately improving the characteristics of the swivel lever. In this case, at least one locking element can be optimized in particular with respect to its mechanical properties, and at least one adjustment magnet can be optimized in respect to its magnetic properties.
[0012] To avoid impairing the function of at least one adjustment magnet, the base portion, the actuating lever, and / or the key base may be formed from a non-ferromagnetic material. Aluminum and / or zinc are particularly suitable materials. The base portion, the actuating lever, and / or the key base can generally be manufactured by die casting, which is particularly economical, regardless of the material.
[0013] The base portion, which may be designed as a single unit or as an assembly, is provided in particular for attaching the swivel lever to the access control device. However, in principle, the base portion can also be used to attach the swivel lever to a component other than the access control device, such as a frame supporting the access control device, such as a cabinet. Regardless of this, the operating lever may be appropriately rotatably held in the base portion.
[0014] The operating lever may be provided such that the closure device is activated when the operating lever is in the operating position. In this case, the closure device may be activated by rotating the operating lever from the locked position to the operating position. However, it is preferable that the operating lever is rotatable between the locked position and the operating position about the locked axis, and in this operating position, rotatable about an operating axis that is inclined with respect to the locked axis, and in particular at least substantially perpendicular, in order to activate the closure device.
[0015] Regardless of the design of the operating position, it is recommended that the operating lever in the locked position be housed at least partially, and at least substantially, within the lever housing of the base portion. This contributes not only to a flat configuration of the swivel lever but also to good protection of the locking mechanism against external influences. In this case, the lever housing may be appropriately designed as a hollow portion. In principle, it is recommended that the rotation of the operating lever about the operating axis is reliably prevented at the locked position of the operating lever, regardless of whether the operating lever is housed within the lever housing.
[0016] The magnetic interaction between at least one adjustment magnet and, in particular, the key magnet assigned to this adjustment magnet may be, for example, a magnetic attraction interaction. However, functionally, it is preferable that the magnetic interaction be a magnetic repulsion interaction. Nevertheless, the magnetic interaction between at least one adjustment magnet and, in particular, the key magnet assigned to this adjustment magnet allows the adjustment magnet to be properly adjusted to the unlocked position when the key is in use.
[0017] The slewing lever and / or slewing lever system may be equipped with a closure device and / or access control device, if necessary. However, this is not necessarily required.
[0018] To clarify and avoid unnecessary repetition, the following will describe both the slewing lever and the slewing lever system together without making a detailed distinction between them. However, considering the context, it will be obvious to those skilled in the art which features are particularly preferred with respect to the slewing lever and / or slewing lever system.
[0019] In a particularly preferred first configuration of the swivel lever, the swivel lever has at least two locking elements. This increases the safety of the swivel lever against being forcibly adjusted from the locked position. For the same reason, it may be even more advantageous for the swivel lever to have at least three, if necessary, at least four, preferably at least six, and particularly preferably at least eight locking elements. In this case, regardless of the specific number, the locking elements can be appropriately adjusted between a locked position that reliably prevents the rotation of the operating lever and a released position that allows the rotation of the operating lever. In this case, with respect to a high level of safety against unauthorized unlocking of the operating lever, it may be further preferred that the swivel lever has a number of adjustment magnets, and these adjustment magnets correspond to the number of locking elements in any case, and are assigned to one of the multiple locking elements. In this case, in any case, the locking elements can be appropriately adjusted from the locked position to the released position by adjusting the assigned adjustment magnet from the basic position to the unlocked position, and in any case, the adjustment magnets can be adjusted from the basic position to the unlocked position by magnetic interaction with the key magnet of the key. In this case, it may be specified that the orientation of the poles of at least two of the adjustment magnets differs with respect to their respective unlocking directions. Thus, a kind of coding can be realized that can contribute to improved security against unauthorized unlocking. This is even more true when the orientation of the poles of at least two adjacent adjustment magnets differs with respect to their respective unlocking directions. Regardless, the unlocking direction is basically understood to be the direction in which the adjustment magnet can be adjusted from its basic position to the unlocked position.
[0020] Regardless of the number of locking elements and adjustment magnets, a swivel lever can contribute to a flat configuration if it includes at least one lateral locking element to reliably prevent the rotation of the operating lever on its longitudinal side. In this case, at least one lateral locking element in the locked position can reliably prevent the rotation of the operating lever from the locked position to the operating position on its longitudinal side. Notwithstanding this, for a high level of safety against forced adjustment of the operating lever, it may be recommended that the swivel lever include at least two, preferably at least four, particularly at least six, and especially preferably at least eight lateral locking elements. In this case, for the same reason, it may be particularly recommended that the lateral locking elements to reliably prevent the rotation of the operating lever be designed on mutually opposite longitudinal sides of the operating lever. Notwithstanding this, at least one lateral locking element may be simply and adequately designed in the form of a pin.
[0021] In addition to or alternative to lateral locking elements, for a high level of safety against improper adjustment of the operating lever from the locked position, it may be recommended that the swivel lever have at least one rear locking element to reliably prevent the rotation of the operating lever on the rear side of the operating lever assigned to the base portion. In this case, the rear locking element can reliably prevent the rotation of the operating lever from the locked position to the operating position on the rear side of the operating lever assigned to the base portion when in the locked position.
[0022] For the simple, cost-effective manufacture and flexible use of the swivel lever, it may be recommended that at least one adjustment magnet be formed from a permanently magnetic material. Unlike electromagnets, for example, permanent magnets can permanently generate a magnetic field, at least substantially constant, without an external energy supply. Regardless of this, neodymium-iron-boron (Nd2Fe14B), which enables high magnetic field strength at a reasonable cost, may be particularly recommended as a permanently magnetic material. Alternatively or additionally to the permanent magnetic design of the adjustment magnet, at least one locking element may preferably be formed from a non-permanently magnetic material. Non-permanently magnetic materials may be recommended, for example, in terms of the mechanical properties and / or manufacturing properties of the locking element.
[0023] From a functional standpoint, it may be recommended that at least one locking element be formed from a ferromagnetic material. In this case, the locking element may be adjustable by magnetic interaction with a regulating magnet assigned to it. Notwithstanding this, ferromagnetic materials may be recommended, particularly in the case of at least one lateral locking element. As an alternative to ferromagnetic designs, the locking elements may be formed from non-ferromagnetic materials. This may be particularly advantageous from a manufacturing standpoint in cases of complex geometric shapes of locking elements, and this may be particularly advantageous in the case of rearward locking elements.
[0024] With regard to the stable locking of the operating lever against forced adjustment from the locked position, it may be advantageous if the material of at least one locking element has a higher shear strength than the material of the adjustment magnet assigned to that locking element. Thus, safety against breakage of the locking element, which is typically exposed to high shear forces when the operating lever is forcibly adjusted from the locked position, can be increased. For the same reason, for example, it may be recommended that the shear strength of the material of at least one locking element be at least 1.2 times, at least 1.5 times if necessary, preferably at least 2 times, particularly at least 3 times, and particularly preferably at least 4 times higher than the shear strength of the material of the adjustment magnet. Regardless of the corresponding ratio, the shear strength of the material of at least one locking element should be, for example, at least 50 N / mm². 2 Preferably at least 100 N / mm 2 , especially at least 150 N / mm 2 That's fine.
[0025] Regardless of shear strength, locking elements may be manufactured by die casting. Die casting allows for the cost-effective production of complex geometric shapes, which can be particularly useful for rear locking elements. Alternatively or additionally to die casting, at least one locking element may be formed from a metallic material. Metallic materials are particularly recommended for locking elements due to their properties. This is especially true for steel materials, particularly due to their mechanical properties. Steel materials can be particularly useful for at least one lateral locking element. Nevertheless, ferritic steel materials may be functionally particularly suitable because ferritic steel materials are typically highly magnetic. Alternatively or additionally, galvanized steel and / or stainless steel may be recommended to prevent corrosion. Alternatively or additionally to steel materials, locking elements may be formed from aluminum and / or zinc materials. Aluminum and zinc materials allow for the simple and cost-effective fabrication of even complex geometric shapes, for example, through die casting, which can be particularly useful for rear locking elements.
[0026] Regarding space-saving design, it may be recommended that at least one locking element, and in particular an adjustment magnet assigned to this locking element, be adjustable independently of each other. This is particularly recommended in the case of at least one lateral locking element. Nevertheless, it may be functionally appropriate for at least one locking element to be adjustable from the release position to the locking position and / or vice versa independently of the adjustment magnet. For the same reason, alternatively or additionally, it may be recommended that at least one adjustment magnet be adjustable from the basic position to the unlocking position and / or vice versa independently of the locking element.
[0027] Alternatively or additionally to the independent adjustment from each other, regarding a simple design configuration, it may be recommended that the locking element, and in particular the adjustment magnet assigned to this locking element, be adjustable exclusively together. This is particularly recommended for the rear locking element.
[0028] Regardless of whether the locking element and the adjustment magnet are adjustable independently of each other or together, the adjustment of at least one locking element from the locking position to the release position by means of the adjustment magnet assigned to the locking element in particular may be carried out structurally simply and extremely reliably. In this case, in particular, at least one adjustment magnet can reliably adjust at least one locking element from the locking position to the release position when adjusting from the basic position to the unlocking position. Alternatively or additionally, for the reasons stated above, it may also be recommended that at least one adjustment magnet be brought into contact with the locking element during the adjustment from the basic position to the unlocking position.
[0029] Even if at least one locking element is displaceable between the locked and unlocked positions, it can contribute to a space-saving design. This is particularly recommended in the case of at least one lateral locking element. Alternatively or additionally to the displaceability of the locking element, at least one adjustment magnet may be displaceable between the base position and the unlocked position for the same reason. This is particularly recommended when the adjustment magnet is assigned to a lateral locking element. Notwithstanding this, the displacement of the locking element and / or adjustment magnet may be performed particularly easily and reliably along the longitudinal axis of the locking element. Alternatively or additionally to the displaceability along the longitudinal axis of the locking element, it may be functionally and structurally simpler if at least one locking element, and in particular the adjustment magnet assigned to this locking element, are displaceable along the same axis. Alternatively or additionally, if the displacement of the locking element and / or adjustment magnet can be made at least substantially parallel to the contact plane on which the swivel lever can abut the access control device, a flat design of the swivel lever can be enabled.
[0030] Alternatively or additionally to displacement, the locking element may be rotatable about its pivot axis between the locked and released positions. This is recommended for rear locking elements in terms of simple design. Alternatively or additionally, for the same reasons, it may be recommended that the adjustment magnet be rotatable about its pivot axis between its base position and the unlocked position, which is particularly recommended in the case of adjustment magnets assigned to rear locking elements. Notwithstanding this, it may further be recommended, for design reasons, that at least one pivot axis of the swivel lever be positioned at least substantially parallel to the contact plane on which this swivel lever can abut the access control device. Alternatively or additionally, for the same reasons, it may be recommended that the pivot axes of the locking element and / or adjustment magnet be positioned at least substantially parallel to the locking axis that serves as the reference for rotating the operating lever between the locking and operating positions.
[0031] At least one locking element may be easily and appropriately held on the base portion or the operating lever so as to be adjustable between a locked position and an unlocked position. In this case, at least one lateral locking element may be easily and directly held on the base portion or the operating lever, for example. Alternatively or additionally, a locking element, particularly a rear locking element, may be held on the base portion via an adapter element for design reasons. Regardless of the locking element, at least one adjustment magnet may be easily and appropriately held on the operating lever or the base portion so as to be adjustable between a basic position and an unlocked position. In this case, for the sake of consistently reliable operation, it may be recommended that at least one locking element and / or at least one adjustment magnet be captured and held on the base portion or the operating lever. This can be easily and reliably done in a positive locking manner. Alternatively or additionally, for the sake of reliable adjustment and a space-saving configuration, it may be recommended that at least one locking element be held in an adjustable manner within a guide on the base portion or the operating lever, and the guide on the base portion may be particularly useful in terms of design. Regardless of this, in the case of at least one lateral locking element, a holder within a guide is particularly recommended. Alternatively or additionally, for the same reasons, at least one adjustment magnet may be held in an adjustable manner within a guide on the operating lever or base portion, and a guide on the operating lever is particularly preferred in terms of design. A holder within a guide is particularly useful when the adjustment magnet is assigned to a lateral locking element.
[0032] Regardless of how the locking element and adjustment magnet are held to the base portion or the operating lever, a space-saving configuration can be achieved if at least one locking element is held to the base portion, and in particular, if at least one adjustment magnet assigned to the locking element is held to the operating lever, or vice versa. This is especially recommended in the case of at least one lateral locking element. Nevertheless, the design is particularly favorable when the locking element is held to the base portion and the adjustment magnet is held to the operating lever.
[0033] Alternatively or additionally, for simplicity of design, it may be recommended that both the locking element and, in particular, the adjustment magnet assigned to this locking element, be held by the operating lever or both by the base portion. This can be simplified, especially with regard to the design of the rear locking element. Notwithstanding this, for simplicity of design, a holder provided on the base portion may be particularly useful. Alternatively or additionally, the adjustment magnet may be easily and appropriately held by the base portion or the operating lever via the locking element.
[0034] To enable a flat configuration of the swivel lever on the side of the access control device facing the operating lever, the locking element may be positioned, at least partially, on the side of the contact plane facing away from the operating lever, regardless of its position, so that the swivel lever can contact the access control device. This may be particularly useful for rear locking elements. Nevertheless, a particularly flat configuration can be enabled if the locking element is positioned, at least substantially, not merely partially, on the side of the contact plane facing away from the operating lever.
[0035] If the locking element is located at least partially on the side of the contact plane opposite to the operating lever, it may be functionally and structurally simpler if the operating lever has at least one locking segment that engages with the contact plane in the locked position of the operating lever. In this case, the at least one locking segment in the locked position of the operating lever and the locking element in the locked position, particularly the rear locking element, may form at least one positive locking connection that prevents rotation of the operating lever. For a high level of safety against forced adjustment of the operating lever, it may be recommended that the operating lever have at least two corresponding locking segments. Alternatively or additionally, at least one locking segment of the operating lever may simply and adequately have the shape of a hook.
[0036] The locking element may have a structurally simple and appropriate base that is at least substantially L-shaped. This is particularly recommended for rear locking elements. Notwithstanding this, the locking element may additionally contribute to a simple and appropriate design if it is rotatable between a locked position and a released position about a pivot axis extending through the free end of the L-shaped leg of the base. Alternatively or additionally, the locking element may have at least one lock segment projecting laterally from the base to form at least one positive locking connection that prevents rotation of the operating lever. This can further simplify the design. In this case, at least one lock segment in the locked position of the locking element and the operating lever in the latched position may form at least one positive locking connection that prevents rotation of the operating lever. Notwithstanding this, for a high level of safety against forced adjustment of the operating lever, it may be recommended that the locking element have two lock segments projecting laterally. In this case, for the same reason, it may be particularly preferable that the lock segments project from the base in opposite directions. Alternatively or additionally, in terms of design, it may be recommended that at least one locking segment be connected to the base at the connection region of the two L-shaped forming legs of the L-shaped base.
[0037] Regardless of the L-shaped base, it may be simple and convenient if the adjustment magnet is at least partially housed within the magnet housing of the locking element to which it is assigned. This may be particularly useful for adjustment magnets assigned to rear locking elements. Nevertheless, the adjustment magnet may be housed within the magnet housing not merely partially, but at least substantially and particularly securely. For the same reason, it may be recommended, alternatively or additionally, that the magnet housing be designed to accommodate the adjustment magnet. Regardless of the corresponding configuration, for design reasons, the magnet housing may be located at the free end of the L-forming leg of the L-shaped base of the locking element.
[0038] To easily provide a reliable positive-locking connection, when the operating lever is in the latched position and the locking element is in the locked position, the locking element may be securely engaged from the rear with at least one undercut of the operating lever, and / or the operating lever may be securely engaged from the rear with at least one undercut of the locking element. This is particularly recommended for rearward locking elements. Notwithstanding this, for a particularly high level of safety against forced rotation of the operating lever, it may be recommended that the locking element be engaged from the rear with two undercuts of the operating lever, and / or the operating lever be engaged from the rear with two undercuts of the locking element. Alternatively or additionally, it may be appropriate that at least one locking segment of the locking element and / or the operating lever engage from the rear with at least one undercut and / or form at least one undercut.
[0039] As an alternative or additional alternative to engaging the undercut from the rear, a secure positive-locking connection can be achieved, particularly in a space-saving manner, when at least one locking element is securely engaged in a locking housing on the operating lever or base portion in the locked position of the operating lever. This can be particularly useful in cases of at least one lateral locking element. Notwithstanding this, in cases where at least one adjustment magnet assigned to the locking element is held within a guide, it may be structurally simpler if at least one locking housing is formed by at least one guide for the adjustment magnet. Alternatively or additionally, it may be structurally preferable if the operating lever has at least one locking housing. Notwithstanding this, it may be appropriate for at least one locking element to be located outside the locking housing in the released position, preferably independently of the position of the operating lever.
[0040] To prevent the locking element from unintentionally engaging in the released position, at least one fixing element may be provided to hold at least one locking element in the locked position. In this case, at least one locking element may be held in the locked position by at least one fixing element when the operating lever is in the engaged position. Notwithstanding this, if at least one fixing element is additionally designed to automatically adjust at least one locking element from the released position to the locked position, unintentional retention of the locking element in the released position can be avoided. Therefore, in this case, at least one locking element can be automatically adjusted from the released position to the locked position by at least one fixing element. Notwithstanding this, for the reasons stated above, in cases of multiple locking elements, it may be appropriate in any case that at least one fixing element is assigned to the locking elements. Alternatively or additionally, the retention of the locking element in the locked position and / or the automatic adjustment of the locking element from the released position to the locked position can be easily and appropriately achieved by a fixing force. In this case, for the same reasons, it may be recommended that the fixing force be a magnetic force, particularly a magnetic attractive force.
[0041] If the fixing force is magnetic, at least one fixing element may be appropriately designed, in particular as a permanently magnetic fixing magnet. In this case, at least one fixing magnet may be formed by at least one adjusting magnet, thereby saving space. This is especially recommended when the fixing magnet is assigned to a lateral locking element. Alternatively, at least one fixing magnet and at least one adjusting magnet may be designed as separate components. This is especially recommended for design reasons, in particular when the fixing magnet is assigned to a rear locking element. Notwithstanding this, in particular cases of separate design of the fixing magnet, it may be structurally useful if at least one fixing magnet is held in the locking element or immovably held in the base portion. For simplicity, at least one fixing magnet may be held in a magnet housing, and may be specifically formed to correspond. Alternatively or additionally, at least two fixing magnets may be assigned to the locking element to increase the fixing force. This may be especially useful in cases of rear locking elements. In this case, alternatively or additionally, one of the two fixed magnets may be appropriately held in a locking element, and the other fixed magnet may be immovably held in the base portion.
[0042] To prevent the adjustment magnet from unintentionally entering the unlocked position, the swivel lever may have at least one retaining element to hold at least one adjustment magnet, particularly one assigned to a lateral locking element, in its base position. Thus, in this case, unless the adjustment magnet is adjusted to the unlocked position by a key, at least one adjustment magnet can be held in its base position by at least one retaining element. Notwithstanding this, to prevent unintended retention of the adjustment magnet in the unlocked position, at least one retaining element may further be designed to automatically adjust at least one adjustment magnet from the unlocked position to its base position. In this case, at least one adjustment magnet may be automatically adjustable from the unlocked position to its base position by at least one retaining element. Notwithstanding this, the retaining element is particularly useful in cases where the adjustment magnet is adjustable independently of the locking element assigned to it. Alternatively or additionally, at least one retaining element may be appropriately formed separately from at least one fixed element. Notwithstanding this, for simplicity, in cases of multiple adjustment magnets, it may be recommended that one retaining element be assigned to multiple adjustment magnets.
[0043] The retention of the adjustment magnet in its base position and / or the automatic adjustment of the adjustment magnet from the unlocked position to the base position can be easily and appropriately performed by a retaining force. In this case, for the same reason, it may be preferable that the retaining force be a magnetic retaining force, in particular a magnetic attractive retaining force. Especially when the retaining force is magnetic, it may be preferable that at least one retaining element be formed from a ferromagnetic material. Alternatively or additionally, it may be functionally preferable that at least one retaining element be formed from a non-permanently magnetic material. Notwithstanding this, at least one retaining element may be simply and appropriately designed as sheet metal, in particular a sheet metal strip.
[0044] To simplify the rotation of the operating lever from the operating position to the locked position, at least one locking element may be automatically adjustable from the locked position to the released position when the operating lever is rotated from the operating position to the locked position. Therefore, by rotating the operating lever from the operating position to the locked position, at least one locking element can be adjusted from the locked position to the released position. In this case, the complex individual adjustment of at least one locking element from the locked position to the released position can be avoided. Nevertheless, the automatic adjustment of at least one locking element can be easily and reliably performed in a positive locking manner.
[0045] Automatic adjustment of the locking element from the locked position to the released position can be structurally simplified if the operating lever has at least one sliding surface. In this case, at least one sliding surface of the operating lever can slide in contact with at least one locking element when the operating lever is rotated from the operating position to the locked position, thereby automatically adjusting the locking element from the locked position to the released position. Alternatively or additionally, for the same reason, at least one locking element may have a sliding surface. In this case, the sliding surface of at least one locking element can slide in contact with the operating lever when the operating lever is rotated from the operating position to the locked position, thereby automatically adjusting the locking element from the locked position to the released position. With regard to particularly reliable adjustment of the locking element, it may be recommended that at least one sliding surface of the operating lever and at least one sliding surface of the locking element be designed to slide against each other. Notwithstanding this, at least one sliding surface may be structurally simplified by a chamfer. Alternatively or additionally, it may be suitable that at least one sliding surface of the operating lever is positioned to slide in contact with at least one locking element, and / or that the sliding surface of at least one locking element is positioned at an angle of, for example, at least 30° and / or up to 60°, particularly about 45°, with respect to the release direction of the locking element in the locked position. The release direction is basically understood to be the direction in which the locking element can be adjusted from the locked position to the released position.
[0046] To facilitate the rotation of the operating lever from the locked position, the operating lever may be rotated to the locked position against a return force. In this case, the return force can assist the rotation of the operating lever from the locked position. Nevertheless, the return force can be easily provided by a spring means, for example, in the form of an elbow spring.
[0047] In addition to the easy rotation of the operating lever, to contribute to a high level of safety against unauthorized unlocking of the operating lever, a force may be acting on at least one locking element in the locked position by a return force in the engaged position of the operating lever, preventing adjustment of the locking element to the released position. In this case, it may be structurally simple if the force preventing adjustment to the released position is generated by a friction connection. Notwithstanding this, it may be intentionally and particularly simple if the friction connection acts between at least one locking element and the operating lever and / or between at least one locking element and the base portion.
[0048] A swivel lever having a key housing for at least partially, and especially at least primarily, housing a key can contribute to a simpler locking mechanism. In this case, for example, a rod-shaped key may be at least partially, and especially at least primarily, housed in the key housing in the working position, and preferably inserted into the key housing. Notwithstanding this, an elongated key housing extending along the longitudinal axis of the actuating lever and / or the longitudinal axis of the base portion can further contribute to a simpler locking mechanism. Alternatively or additionally, if the key housing is formed by the actuating lever and / or the base portion, it can contribute to a compact configuration of the swivel lever, and for the same reason, it can be particularly useful if the key housing is formed at least substantially by the actuating lever. Notwithstanding this, a particularly flat configuration of the swivel lever can be achieved when the actuating lever and the base portion together form a key housing. Alternatively or additionally, for design reasons, it may be recommended that at least two of the adjustment magnets and / or at least two retaining elements of the adjustment magnets assigned to one of the lateral locking elements be located on opposite sides of the key housing, particularly on the longitudinal sides.
[0049] In a particularly preferred first configuration of the swivel lever system, the key housing of the swivel lever and the key have corresponding cross-sections. This facilitates the precise positioning of the key within the key housing when the operating lever is unlocked. For the same reason, it may be preferable that the corresponding cross-sections have corresponding shape elements for aligning the key within the key housing. This ensures that the key can only be inserted into the key housing in a predetermined orientation, thereby simplifying handling. For simplicity, the shape elements may be designed as recesses.
[0050] Regardless of the corresponding cross-sections of the key housing and the key, the key may be designed as a master key. In this case, the key may have at least one master key magnet appropriately assigned to an empty position on the swivel lever. In this case, the adjustment magnet of the swivel lever in particular is not assigned to the master key magnet. Instead, at least one master key magnet may be used to unlock at least one further swivel lever, which may differ from the swivel lever of the swivel lever system in terms of the arrangement of at least one adjustment magnet. Thus, swivel levers, each with a different designation, can be unlocked by a single key. For the same reason, it is particularly recommended that at least one master key magnet be designed to adjust at least one adjustment magnet of at least one further swivel lever from its base position to its unlocked position. Notwithstanding this, at least one further swivel lever may appropriately be part of the swivel lever system. However, this is not necessarily required.
[0051] The present invention will be described in more detail below with reference to drawings showing just one exemplary embodiment. [Brief explanation of the drawing]
[0052] [Figure 1]This is a schematic perspective view of a swivel lever system according to the present invention, which includes a swivel lever equipped with an operating lever in the operating position, and a key in the non-operating position. [Figure 2] Figure 1 is a schematic perspective view of the swivel lever with an operating lever in the locked position. [Figure 3A] This is a schematic cross-sectional view of the swivel lever shown in Figure 1, which has an operating lever in a locked position but does not include a key. [Figure 3B] This is a schematic cross-sectional view of the swivel lever shown in Figure 1, which has an operating lever in a locked position but does not include a key. [Figure 4A] This is a schematic cross-sectional view of a portion of the swivel lever shown in Figure 1, which has an operating lever in a locked position but does not include a key. [Figure 4B] This is a schematic cross-sectional view of a portion of the swivel lever shown in Figure 1, which has an operating lever in a locked position but does not include a key. [Figure 4C] This is a perspective view from below at a predetermined angle of a portion of the swivel lever shown in Figure 1, which has an operating lever in a locked position but does not include a key. [Figure 5A] Figure 1 is a schematic cross-sectional view of a swivel lever system, which includes an operating lever in a locked position and a key in a working position. [Figure 5B] Figure 1 is a schematic cross-sectional view of a swivel lever system, which includes an operating lever in a locked position and a key in a working position. [Figure 6A] Figure 1 is a schematic cross-sectional view of a swivel lever system, which includes an operating lever in a locked position and a key in a working position. [Figure 6B] Figure 1 is a schematic cross-sectional view of a swivel lever system, which includes an operating lever in a locked position and a key in a working position. [Figure 7A] This is a schematic cross-sectional view of a portion of the swivel lever shown in Figure 1, which has an operating lever that is rotated out of the lever housing but does not include a key. [Figure 7B]This is a schematic cross-sectional view of a portion of the swivel lever shown in Figure 1, which has an operating lever that is rotated out of the lever housing but does not include a key. [Figure 7C] This is a schematic cross-sectional view of a portion of the swivel lever shown in Figure 1, which has an operating lever that is rotated out of the lever housing but does not include a key. [Figure 8] This is a schematic side view of the swivel lever system shown in Figure 1, which has an operating lever in the operating position.
[0053] In the diagram, the magnetic north pole of a magnet is indicated by the symbol "N", and the magnetic south pole of a magnet is indicated by the symbol "S".
[0054] Figure 1 shows a perspective view of a swivel lever system 1, which includes a swivel lever 2 equipped with an operating lever 3 in the operating position. In addition to the operating lever 3, the swivel lever 2 has a base portion 4. In the illustrated configuration, the operating lever 3 is rotatably held in the base portion 4 via a rotary plate 5, so that the swivel lever 2 can rotate about an operating axis AB relative to the base portion 4 and a locking axis AA that is at least substantially perpendicular to the operating axis AB. The base portion 4 has a hollow lever housing 6 that can house the operating lever 3 inside.
[0055] The operating lever 3 has two hook-shaped locking sections 7 on the rear side, which is assigned to the base portion 4. These locking sections 7 protrude from the base of the operating lever 3 toward the base portion 4. In this case, each locking section 7 is positioned to pass through a notch 8 provided in the bottom portion 9 of the base portion 4.
[0056] In addition to the swivel lever 2, the swivel lever system 1 has a key 10 suitable for the swivel lever 2. The illustrated rod-shaped key 10 has a plurality of permanently magnetic key magnets 11, each with a different polarity. In the illustrated configuration, the key 10 is shown in the unused position. To house the key 10 in the used position, the swivel lever 2 has a key housing 12, which in the preferred swivel lever 2 illustrated therein is mainly formed by the operating lever 3 and partially formed by the base portion 4. In the illustrated configuration, the key housing 12 extends along the longitudinal axis LBH of the operating lever 3 and the longitudinal axis LBT of the base portion 4.
[0057] In the operating position shown in Figure 1, the operating lever 3 is rotated away from the lever housing 6, thereby allowing the operating lever 3 to rotate relative to the base portion 4 around the operating axis AB. In order to engage the operating lever 3 with the base portion 4, the operating lever 3 may be rotated relative to the base portion 4 around the engaging axis AA to the engaging position shown in Figure 2.
[0058] Figure 2 shows a perspective view of a swivel lever 2 equipped with an operating lever 3 in a locked position. The operating lever 3 is housed at least substantially within a lever housing 6 of the base portion 4, thereby reliably preventing rotation of the operating lever 3 about the operating axis AB. The key housing 12 formed by the operating lever 3 and the base portion 4 has a key opening 13 at the longitudinal end assigned to the free end of the operating lever 3, into which a key 10 (not shown) can be inserted.
[0059] Figures 3A and 3B show two cross-sectional views of a swivel lever 2, which includes an operating lever 3 in a locked position but does not include a key 10, along the cross-sectional planes IIIA-IIIA shown in Figure 2 and IIIB-IIIB shown in Figure 3A. The swivel lever 2 is attached by a base portion 4 to an access control device 14, which is not shown in Figure 3A, for example, in the form of a sheet metal door and / or sheet metal hatch.
[0060] In a preferred exemplary embodiment illustrated therein, the swivel lever 2 has 11 lateral locking elements 15, which in the illustrated configuration are formed as steel pins, and these 11 lateral locking elements 15 are arranged along the longitudinal axis LBT of the base portion 4, distributed on opposite sides of this longitudinal axis LBT. The lateral locking elements 15 are captured and held by the base portion 4 within guides 16 of the base portion 4. In this case, each lateral locking element 15 is displaceable within the corresponding guide 16 along the longitudinal axis LVE.
[0061] In any case, the lateral locking element 15 is assigned an adjustment magnet 17 made of a permanent magnetic material. This adjustment magnet 17 is captured and held by the operating lever 3 within a guide 18 of the operating lever 3, and the adjustment magnet 17 is displaceable within the guide 18 along the longitudinal axis LVE of the corresponding lateral locking element 15. In this case, the lateral locking element 15 can also be displaced outward by displacing the adjustment magnet 17 outward in a positive locking manner.
[0062] In any case, the operating lever 3 has retaining elements 19 on opposite longitudinal sides of the key housing 12. In this case, the retaining elements 19 are formed as ferromagnetic sheet metal strips that extend along the longitudinal axis LBH of the operating lever 3 and the adjustment magnet 17 in the illustrated configuration.
[0063] The lateral locking elements 15 are each positioned in a locked position. In this locked position, the locking elements 15 held by the base portion 4 are securely engaged with the locking housing portion 20 of the operating lever 3, which in the illustrated configuration is formed by a guide 18 for the adjustment magnet 17. In this way, rotation of the operating lever 3 around the locking axis AA from the lever housing portion 6 and in the illustrated locking position is reliably prevented by the lateral locking elements 15.
[0064] The adjustment magnets 17 assigned to the lateral locking elements 15 are each positioned in their basic positions. In these basic positions, the adjustment magnets 17 hold the lateral locking elements 15 in the illustrated locked position through a magnetic attractive interaction between the adjustment magnets 17 and the locking elements 15. This prevents the lateral locking elements 15 from unintentionally entering a position that would cause them to engage and allow the operating lever 3 to rotate from the lever housing 6. Therefore, in the illustrated preferred exemplary embodiment, the adjustment magnets 17 also function as fixing elements 21 for the lateral locking elements 15. The adjustment magnets 17 are held in the illustrated basic position through a magnetic attractive interaction with a ferromagnetic sheet metal strip 19.
[0065] In a preferred exemplary embodiment illustrated in this regard, a spring mechanism 22 acts between the operating lever 3 and the rotary plate 5 and is designed as an elbow spring in the illustrated configuration. The spring mechanism 22 acts a return force FR on the operating lever 3, assisting the rotation of the operating lever 3 around the locking axis AA from the lever housing 6. In this case, frictional connections are created that prevent adjustment of the corresponding locking elements 15 from the corresponding locking housing 20, one by the return force FR between the lateral locking elements 15 and the other by the return force FR between the operating lever 3 and the base portion 4.
[0066] Figures 4A to 4C show a portion of the swivel lever 2, which includes the operating lever 3 in the locked position but does not include the key 10, in two cross-sectional views along the cross-sectional planes IVA-IVA and IVB-IVB shown in Figure 3A, and an isometric view from the bottom at a predetermined angle. For clarity, Figure 4C shows only the operating lever 3, the rear locking element 23, and the adapter element 24 of the swivel lever 2. In the illustrated configuration, the rear locking element 23, manufactured by die-casting from aluminum and / or zinc, is positioned at least substantially on the side of the contact plane E opposite to the operating lever 3, on the side where the swivel lever 2 abuts against the access control device 14. In this case, the rear locking element 23 is held by the adapter element 24 so that it can rotate about a rotation axis AS that is substantially parallel to the contact plane E. In the illustrated case, the rear locking element 23 is held between two longitudinal struts 25 connected to each other in the longitudinal end region of the adapter element 24. The adapter element 24 is then attached to the base portion 4 by a screw connector 26.
[0067] The rear locking element 23 has a substantially L-shaped base 27 and two locking sections 28 projecting laterally from the L-shaped base 27. In this case, the pivot axis AS of the rear locking element 23 extends through the free end of one of the two L-shaped legs of the L-shaped base 27. A magnet housing 29 is provided at the free end of the other L-shaped leg of the L-shaped base 27, and a regulating magnet 30 assigned to the rear locking element 23 is housed within this magnet housing 29, which is made of a permanent magnetic material. In addition to the regulating magnet 30, a similarly permanent magnetic fixed magnet 31 is held to the locking element 23 within a magnet housing 32 of the rear locking element 23. In this case, the fixed magnet 31 held by the rear locking element 23 works together with the permanent magnetic fixed magnet 33 housed in the magnet housing 34 of the adapter element 24, which is immovably held by the base portion 4 via the adapter element 24 in the illustrated configuration.
[0068] The rear locking element 23 and adapter element 24 are shielded from the environment by a cover cap 35. In this case, the cover cap 35 is held to the base portion 4 by a screw connector 36, and the access control device 14 is clamped between the base portion 4 and the cover cap 35. Thus, in a preferred exemplary embodiment illustrated herein, a swivel lever 2 is attached to the access control device 14.
[0069] In the illustrated configuration, a protective flap 37 is provided in the area of the key opening 13 of the key housing 12 to prevent coarse dirt from entering the key housing 12 formed by the base portion 4 and the operating lever 3. In this case, the protective flap 37 in the illustrated preferred exemplary embodiment is held on the operating lever 3 so as to be rotatable between a position that at least substantially closes the key opening 13 and a position that opens the key opening 13.
[0070] The rear locking element 23 is positioned in the locked position. In this locked position, the locking sections 28 of the rear locking element 23 engage with the undercuts 38 of the operating lever 3 from the back. In this case, the undercuts 38 of the operating lever 3 are formed by one locking section each of two hook-shaped locking sections 7 that engage with the notch 8 of the base portion 4 of the operating lever 3 and the contact plane E. The hook-shaped locking sections 7 of the operating lever 3 engage with the undercuts 39 of each locking section 28 of the rear locking element 23 from the back. In this way, rotation of the operating lever 3 from the illustrated locking position is reliably prevented by the rear locking element 23.
[0071] The magnetic attraction interaction between the fixed magnet 31 held on the rear locking element 23 and the fixed magnet 33 held on the adapter element 24 holds the locking element 23 in the illustrated locked position, and consequently, the adjustment magnet 30 held on the locking element 23 is also held in the illustrated basic position. This prevents the rear locking element 23 from unintentionally entering a position that would allow the operating lever 3 to rotate. In this case, the frictional connection also acts between the hook-shaped locking section 7 of the operating lever 3 and the locking section 28 of the rear locking element 23 due to the return force FR of the spring means 22 (not shown in Figures 4A to 4C), preventing the locking element 23 from rotating around the rotation axis AS.
[0072] In order to rotate the operating lever 3 from the locked position shown in Figures 3A, 3B, and 4A to 4C to the operating position around the locked axis AA, a pin-shaped key 10 (not shown in the drawings) may be inserted into the key housing 12 through the key opening 13 and subsequently adjusted to the operating position. In this case, the protective flap 37 can be rotated from the position shown in Figure 4A, which at least substantially closes the key opening 13, to a position that releases the key opening 13 by positively locking contact with the key 10.
[0073] Figures 5A and 5B show a swivel lever system 1, comprising an operating lever 3 in a locked position and a key 10 in a working position, in two cross-sectional views along the cross-sectional planes VA-VA shown in Figure 2 and VB-VB shown in Figure 5A. The key magnet 11 of the key 10 is assigned to one of the locking elements 15 on the side of the swivel lever 2 and a corresponding adjustment magnet 17. In this case, the magnetic repulsive interaction between the key magnet 11 and the adjustment magnet 17 is greater than the magnetic attractive interaction between the adjustment magnet 17 and the ferromagnetic holding element 19, thereby displacing the adjustment magnet 17 from its basic position (Figures 3A and 3B) to the unlocked position along the longitudinal axis LVE of the respective assigned side locking element 15.
[0074] By displacing the adjustment magnet 17 assigned to the lateral locking element 15 from its basic position (Figures 3A and 3B) to the unlocked position, the lateral locking element 15 is displaced from the locked position (Figures 3A and 3B) to the released position along its longitudinal axis LVE. In this released position, the lateral locking element 15 is positioned outside the locking housing 20 of the operating lever 3, thereby enabling the rotation of the operating lever 3 around the locking axis AA from the lever housing 6 by the lateral locking element 15.
[0075] The adjustment magnets 17 assigned to the lateral locking elements 15 are different from each other in terms of the orientation of their poles. In the illustrated case, the magnetic poles of adjacent adjustment magnets 17 are arranged so that they are different from each other. However, this is not necessarily required. Rather, the magnetic poles of the adjustment magnets 17 can be arranged as desired, and thereby any coding can be achieved.
[0076] When the key 10 is removed from the key housing 12, the adjustment magnet 17 assigned to the lateral locking element 15 is automatically displaced from the unlocked position shown in the figure to its base position in the direction of the retaining element 19 by magnetic attraction interaction with the ferromagnetic retaining element 19 (Figures 3A and 3B). Then, due to the magnetic attraction interaction between the adjustment magnet 17 and the lateral locking element 15 caused by the displacement of the adjustment magnet 17, the locking element 15 is automatically displaced from the unlocked position shown in the figure to the locked position where the locking element 15 is engaged with the locking housing 20 of the operating lever 3 (Figures 3A and 3B).
[0077] In the illustrated case, key 10 is designed as a master key 10 and has a master key magnet 40 in addition to the key magnet 11. In a preferred exemplary embodiment illustrated therein, the master key magnet 40 and the key magnet 11 are similarly designed and assigned to the lateral locking element 15. However, unlike the key magnet 11, the master key magnet 40 is not assigned to the locking elements 15, 23, and consequently, not to the adjustment magnets 17, 30 of the swivel lever 2. Instead, the master key magnet 40 is assigned to an empty space 41 of the swivel lever 2. In this case, the empty space 41 is provided with a guide 16 for the locking element and a guide 18 for the adjustment magnet. However, this is not essential. For example, the swivel lever 2 may alternatively be formed as a solid piece in the area of the empty space 41. The master key magnet 40 may unlock at least one further swivel lever 2 having a locking element assigned to the master key magnet 40 and an adjustment magnet assigned to the master key magnet 40 at the location of the empty space 41.
[0078] In a preferred exemplary embodiment illustrated in this regard, the cross-section of the key 10 is formed to correspond to the cross-section of the key housing 12. In this case, both the key 10 and the key housing 12 have a shape element 42 that is in the form of a recess when viewed in cross-section. This ensures that the key 10 can only be inserted into the key housing 12 in a predetermined orientation.
[0079] Figures 6A and 6B show a part of the swivel lever system 1, which includes an operating lever 3 in the locked position and a key 10 in the use position, in two cross-sectional views along the cross-sectional planes VIA-VIA and VIB-VIB shown in Figure 5A. In addition to the key magnet 11 assigned to the lateral locking element 15 and the corresponding adjustment magnet 17, the key 10, in the illustrated configuration, has two key magnets 43 assigned to the rear locking element 23 and the corresponding adjustment magnet 30. In this case, the magnetic repulsive interaction between the key magnets 43 and the adjustment magnet 30 is greater than the magnetic attractive interaction between the two fixed magnets 31 and 33 assigned to the rear locking element 23, thereby causing the adjustment magnet 30 to rotate from the basic position (Figures 4A to 4C) around the rotation axis AS to the unlocked position.
[0080] By rotating the adjustment magnet 30 from its basic position (Figures 4A to 4C) to the unlocked position, the rear locking element 23 is also rotated from the locked position (Figures 4A to 4C) to the released position around the rotation axis AS. In the released position of the rear locking element 23, the rearward engagement between the locking element 23 and the hook-shaped locking section 7 of the operating lever 3 is released, thereby enabling the rotation of the operating lever 3 around the hooking axis AA from the lever housing 6 by the rear locking element 23. When the key 10 is removed from the key housing 12, the magnetic attractive interaction between the fixed magnets 31 and 33 automatically displaces the rear locking element 23 from the unlocked position shown in the figure to the locked position (Figures 4A to 4C) around the rotation axis AS, where the locking element 23 prevents the rotation of the operating lever 3.
[0081] To prevent the rear locking element 23 from moving into a position where the magnetic interaction between the two fixed magnets 31 and 33 is at least substantially eliminated, the locking element 23 is brought into contact with the longitudinal strut 25 of the adapter element 24 in the illustrated release position by a locking section 28 that protrudes laterally. Thus, further rotation of the rear locking element 23 about the pivot axis AS in the direction away from the fixed magnets 33 held by the adapter element 24 is reliably prevented by the adapter element 24.
[0082] Starting from the locking positions shown in Figures 5A, 5B and 6A, 6B, the operating lever 3, together with the key 10 inserted into the key housing 12, may be rotated from the lever housing 6 to the operating position, for example, the operating position shown in Figure 1, around the locking axis AA.
[0083] Figure 7A shows a cross-sectional view along the cross-sectional plane VIIA-VIIA shown in Figure 3A, showing a portion of the swivel lever 2 in the region of one of the lateral locking elements 15, with the operating lever 3 in a position at least partially rotated from the lever housing 6, but without the key 10. The adjustment magnet 17 assigned to the lateral locking element 15 is positioned in its base position and is held in that base position by magnetic attraction interaction with the corresponding retaining element 19. The lateral locking element 15, which is freely displaceable along its longitudinal axis LVE within the corresponding guide 16, is positioned in the locked position.
[0084] The operating lever 3 has a sliding surface 44 in the form of a chamfered portion 44, which is assigned to the lateral locking element 15, below the guide 18 for the adjustment magnet 17. In a preferred exemplary embodiment shown herein, the lateral locking element 15 also has a sliding surface 45 in the form of a chamfered portion 45, which extends at the longitudinal end assigned to the operating lever 3 so as to surround the longitudinal axis LVE of the locking element 15. In this case, the sliding surfaces 44, 45 are inclined with respect to the release direction RF of the locking element 15, and are arranged at an angle of approximately 45° in the illustrated configuration.
[0085] When the operating lever 3 is rotated toward the lever housing 6, the sliding surface 44 of the operating lever 3 and the sliding surface 45 of the lateral locking element 15 slide toward each other. As a result, the lateral locking element 15 is displaced from the locked position shown in the figure to the released position (Figure 5B) in the release direction RF. This prevents the lateral locking element 15 from preventing the operating lever 3 from rotating into the lever housing 6. Subsequently, when the operating lever 3 is positioned in the locked position housed within the lever housing 6 (Figure 3B), and the locking housing 20 is positioned on the same plane as the lateral locking element 15, the locking element 15 is automatically displaced from the released position (Figure 5B) to the locked position shown in the figure by magnetic attraction interaction with the adjustment magnet 17, which in this case acts as a fixed element 21.
[0086] Figures 7B and 7C show a portion of the swivel lever 2, which includes an operating lever 3 in a position at least partially rotated from the lever housing 6, but does not include the key 10, in a cross-sectional view along the cross-sectional planes VIIB-VIIB and VIIC-VIIC shown in Figure 3A. The rear locking element 23 is positioned in the locked position and is held in the locked position by the magnetic attraction interaction between the fixed magnets 31 and 33 assigned to the locking element 23.
[0087] In a preferred exemplary embodiment illustrated in this regard, the hook-shaped locking section 7 of the operating lever 3 and the locking section 28 of the rear locking element 23 each have sliding surfaces 46 and 47 in the form of chamfered portions. In this case, these sliding surfaces 46 and 47 are inclined with respect to the release direction RF of the rear locking element 23, and are arranged at an angle of approximately 45° in the illustrated configuration.
[0088] When the actuating lever 3 is rotated in the direction of the lever receiving portion 6, the sliding surface 46 of the hook-shaped locking section 7 of the actuating lever 3 slides in contact with the sliding surface 47 of the locking section 28 of the rear locking element 23. As a result, the rear locking element 23 is displaced from the illustrated locking position to the release position (FIGS. 6A and 6B) in the release direction RF against the magnetic attractive interaction between the fixed magnets 31 and 33, whereby the hook-shaped locking section 7 of the actuating lever 3 can pass through the locking section 28 of the rear locking element 23. This prevents the rear locking element 23 from preventing the rotation of the actuating lever 3 into the lever receiving portion 6. Immediately after the actuating lever 3 is positioned at the latched position accommodated in the lever receiving portion 6 (FIGS. 4A and 4B), the rear locking element 23 is automatically rotated again from the release position (FIGS. 6A and 6B) to the illustrated locking position by the magnetic attractive interaction between the fixed magnets 31 and 33.
[0089] FIG. 8 shows a side view of a swivel lever system 1 having an actuating lever 3 in an actuated position. The actuating lever 3 of the swivel lever 2 is connected to a closure device 48 so as not to be relatively rotatable about the actuating axis AB. In the illustrated configuration, the closure device 48 is formed as a rotary bolt closure and is disposed on the side of the contact plane E opposite to the actuating lever 3. By rotating the actuating lever 3 about the actuating axis AB, the closure device 48 can also be rotated about the actuating axis AB. Thus, the closure device 48 can be rotated, for example, between a blocking position that blocks the opening of the access control device 14 and an open position that enables the opening of the access control device 14.
Description of Reference Numerals
[0090] 1 Swivel lever system 2 Swivel lever 3 Actuating lever 4 Base portion 5 Rotary plate 6 Lever receiving portion 7 Locking section 8 Notch 9 Bottom 10-key 11-key magnet 12-key housing part 13-key opening 14-access control device 15-lock element 16-guide 17-adjustment magnet 18-guide 19-holding element 20-lock housing part 21-fixing element 22-spring means 23-lock element 24-adapter element 25-longitudinal strut 26-screw connector 27-substrate 28-lock section 29-magnet housing part 30-adjustment magnet 31-fixing magnet 32-magnet housing part 33-fixing magnet 34-magnet housing part 35-cover cap 36-screw connector 37-protective flap 38-undercut 39-undercut 40-master key magnet 41-free space 42-shape element 43-key magnet 44, 45, 46, 47-sliding surface 48-closure device [[ID=7३]]AA-latching axis AB-actuating axis ] AS-rotating axis [[ID=7९]]E-contact plane FR-return force LBH-longitudinal axis LBT-longitudinal axis LVE-longitudinal axis RF-release direction
Claims
1. Access control device (14), in particular a door and / or hatch closure device (48), in particular a pivot lever (2) for operating bolt closure means and / or rod closure means, - A base portion (4) for attaching the swivel lever (2) to the access control device (14), - An operating lever (3) for operating the closure device (48) and It has, - The operating lever (3) is rotatable relative to the base portion (4) between a hooking position for hooking the operating lever (3) to the base portion (4) and an operating position for operating the closure device (48) and / or when the closure device (48) is being operated. - At least one locking element (15, 23) for fixing the operating lever (3) against unauthorized rotation from the locked position to the operating position is provided to be adjustable between a locked position that reliably prevents the rotation of the operating lever (3) and a released position that allows the rotation of the operating lever (3). In the swivel lever (2), - The at least one locking element (15, 23) is adjustable from the locked position to the released position by adjusting at least one adjustment magnet (17, 30) from the basic position to the unlocked position. - The at least one adjustment magnet (17, 30) is adjustable from the basic position to the unlocked position by magnetic interaction with at least one key magnet (11, 43) of the key (10) suitable for the swivel lever (2), - The at least one locking element (15, 23) and the at least one adjustment magnet (17, 30) are formed from different materials. A rotating lever (2) characterized by the above.
2. - In any case, there are at least two, if necessary at least three, preferably at least four, in particular at least six, and especially preferably at least eight locking elements (15, 23) that are adjustable between a locked position and an unlocked position, and in particular, in any case, an adjustment magnet (17, 30) assigned to one of the locking elements (15, 23), and / or - To reliably prevent the rotation of the operating lever (3), at least one lateral locking element (15) is provided on the longitudinal side of the operating lever (3), and / or to reliably prevent the rotation of the operating lever (3), at least one rearward locking element (23) is provided on the rear side of the operating lever (3) which is assigned to the base portion (4). The swivel lever according to claim 1, characterized in that
3. - The at least one adjustment magnet (17, 30) is made of a permanently magnetic material and / or the at least one locking element (15, 23) is made of a non-permanently magnetic material and / or - The at least one locking element (15, 23) is formed from a ferromagnetic or non-ferromagnetic material. A swivel lever according to claim 1 or 2, characterized in that it is a swivel lever.
4. - The material of the at least one locking element (15, 23) has a higher shear strength than the material of the adjustment magnet (17, 30) assigned to the locking element (15, 23), and / or - In particular, the rear locking element (23) is manufactured by die casting, and / or - The at least one locking element (15, 23) is formed from a metallic material, preferably a steel material, particularly a ferritic steel material, an aluminum material and / or a zinc material. A swivel lever according to any one of claims 1 to 3, characterized in that
5. - In particular, the at least one lateral locking element (15) and the adjustment magnet (17) assigned to the locking element (15) are independently adjustable and / or - The rear locking element (23) and the adjustment magnet (30) assigned to the locking element (23) are exclusively adjustable together, and / or - The at least one locking element (15, 23) is reliably adjustable from the locked position to the released position, particularly by the adjustment magnet (17, 30) assigned to the locking element (15, 23). A swivel lever according to any one of claims 1 to 4, characterized in that
6. - In particular, the at least one lateral locking element (15) is displaceable between the locked position and the released position, and / or the at least one adjustment magnet (17) assigned to the lateral locking element (15) is displaceable between the basic position and the unlocked position, in particular along the longitudinal axis (LVE) of the locking element (15) and / or at least substantially parallel to the contact plane (E) of the swivel lever (2) for contacting the access control device (14). - The rear locking element (23) in particular is displaceable between the locked position and the released position, and / or the adjustment magnet (30) assigned to the rear locking element (23) in particular is displaceable between the basic position and the unlocked position, in particular about a pivot axis (AS) that is at least substantially parallel to the contact plane (E) for the swivel lever (2) to contact the access control device (14). A swivel lever according to any one of claims 1 to 5, characterized in that
7. - The at least one locking element (15, 23) and / or the at least one adjustment magnet (17, 30) is held in particular to the base portion (4) or the operating lever (3) and / or adjustable within the guides (16, 18), - Preferably, the at least one lateral locking element (15) is held in the base portion (4), and the at least one adjustment magnet (17) assigned to the locking element (15) is held in the operating lever (3), or vice versa, and / or the rear locking element (23) and the at least one adjustment magnet (30) assigned to the locking element (23) are held in the base portion (4) or the operating lever (3). A swivel lever according to any one of claims 1 to 6, characterized in that
8. - In particular, the rear locking element (23) is positioned at least partially, and at least substantially, on the side opposite to the operating lever (3) of the contact plane (E) of the swivel lever (2) for contacting the access control device (14), Preferably, the operating lever (3) has at least one, particularly hook-shaped, locking segment (7) that engages with the contact plane (E) at the locking position of the operating lever (3) to form at least one positive locking connection that prevents the rotation of the operating lever (3) by the rear locking element (23) in particular. A swivel lever according to any one of claims 1 to 7, characterized in that
9. - In particular, the rear locking element (23) has at least a substantially L-shaped base (27) and preferably at least one locking section (28) projecting laterally from the base (27) to form at least one positive locking connection that prevents the rotation of the operating lever (3), and / or - The adjustment magnet (30) assigned to the rear locking element (23) is at least partially, and at least substantially, housed within the magnet housing (29) of the locking element (23), which is specifically designed to correspond to it. A swivel lever according to any one of claims 1 to 8, characterized in that
10. - The locking element (23) in the locked position, particularly the rear locking element (23), is securely engaged from the rear with at least one undercut (38, 39) of the operating lever (3) in the latched position, and / or the reverse is also true, and / or - In the locked position of the operating lever (3), the at least one lateral locking element (15) is securely engaged in the locking housing (20) of the operating lever (3) or the base portion (4) in the locked position. A swivel lever according to any one of claims 1 to 9, characterized in that
11. - To hold the at least one locking element (15, 23) in the locked position, and in particular to automatically adjust the at least one locking element (15, 23) from the released position to the locked position, preferably by a magnetic fixing force, at least one fixing element (21, 31, 33) is provided. - Preferably, the at least one fixing element (21, 31, 33) is a fixing magnet (21, 31, 33) formed by the at least one adjusting magnet (17) or a fixing magnet (21, 31, 33) separate from the at least one adjusting magnet (17, 30). A swivel lever according to any one of claims 1 to 10, characterized in that
12. - In particular, to hold the at least one adjustment magnet (17) assigned to the lateral locking element (15) in the basic position, and in particular to automatically adjust the at least one adjustment magnet (17) from the unlocked position to the basic position, preferably by magnetic holding force, at least one holding element (19) separate from the at least one fixing element (21, 31, 33) is provided, - Preferably, the at least one retaining element (19) is formed from a ferromagnetic and / or non-permanently magnetic material and / or is formed as a sheet metal (19). A swivel lever according to any one of claims 1 to 11, characterized in that
13. - When the operating lever (3) is rotated from the operating position to the locking position, the at least one locking element (15, 23) can be automatically and particularly reliably adjusted from the locked position to the released position. - Preferably, the operating lever (3) and / or the at least one locking element (15, 23) has at least one sliding surface (44, 45, 46, 47) for automatically adjusting the at least one locking element (15, 23) from the locked position to the released position by sliding on the locking element (15, 23) or the operating lever (3). A swivel lever according to any one of claims 1 to 12, characterized in that
14. - The operating lever (3) is rotatable to the locking position, in particular against the return force (FR) of the spring mechanism (22), - Preferably, in the locked position of the operating lever (3), the return force (FR) acts on the at least one locking element (15, 23) in the locked position, preventing adjustment to the released position. - More preferably, the force preventing the adjustment to the released position is generated particularly by the frictional connection between the locking elements (15, 23) and the operating lever (3) and / or the base portion (4). A swivel lever according to any one of claims 1 to 13, characterized in that
15. - In order to accommodate the key (10) at least partially, a key housing portion (12) is provided that extends in particular along the longitudinal axis (LBH, LBT) of the operating lever (3) and / or the base portion (4) and / or is formed by the operating lever (3) and / or the base portion (4), - Preferably, at least two of the adjustment magnets (17) and / or two retaining elements (19) assigned to one of the lateral locking elements (15) are located on opposite sides of the key housing (12), particularly on the longitudinal side. A swivel lever according to any one of claims 1 to 14, characterized in that
16. Swivel lever system (1), - At least one swivel lever (2) according to any one of claims 1 to 15, - A key (10) suitable for the swivel lever (2), comprising at least one key magnet (11, 43) for adjusting the at least one adjustment magnet (17, 30) of the swivel lever (2) from the basic position to the unlocked position. A swivel lever system (1) having the following:
17. - The key housing (12) of the swivel lever (2) and the key (10) have corresponding cross-sections, and / or each has a corresponding shaped element (42) for aligning the key (10) within the key housing (12). - The key (10) is designed as a master key (10) and has at least one master key magnet (40) assigned to the empty space (41) of the swivel lever (2) for unlocking at least one further swivel lever. The swivel lever system according to claim 16, characterized in that
Citation Information
Patent Citations
Swivel lever device and system for actuating a locking device of an access control device
DE102020108484A1