EP0415355B1 - Locking means for a lock, especially for a cable lock - Google Patents

Locking means for a lock, especially for a cable lock Download PDF

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Publication number
EP0415355B1
EP0415355B1 EP19900116492 EP90116492A EP0415355B1 EP 0415355 B1 EP0415355 B1 EP 0415355B1 EP 19900116492 EP19900116492 EP 19900116492 EP 90116492 A EP90116492 A EP 90116492A EP 0415355 B1 EP0415355 B1 EP 0415355B1
Authority
EP
European Patent Office
Prior art keywords
locking
locking device
connecting part
ratchet body
guide element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP19900116492
Other languages
German (de)
French (fr)
Other versions
EP0415355A3 (en
EP0415355A2 (en
Inventor
Ludger Kortenbrede
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Trelock GmbH
Original Assignee
Aug Winkhaus GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aug Winkhaus GmbH and Co KG filed Critical Aug Winkhaus GmbH and Co KG
Publication of EP0415355A2 publication Critical patent/EP0415355A2/en
Publication of EP0415355A3 publication Critical patent/EP0415355A3/en
Application granted granted Critical
Publication of EP0415355B1 publication Critical patent/EP0415355B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B67/00Padlocks; Details thereof
    • E05B67/003Chain, wire or cable locks
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B67/00Padlocks; Details thereof
    • E05B67/36Padlocks with closing means other than shackles ; Removable locks, the lock body itself being the locking element; Padlocks consisting of two separable halves or cooperating with a stud
    • E05B67/365Padlocks with closing means other than shackles ; Removable locks, the lock body itself being the locking element; Padlocks consisting of two separable halves or cooperating with a stud with locking means in the form of balls or rollers
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00Locks
    • Y10T70/40Portable
    • Y10T70/413Padlocks
    • Y10T70/437Key-controlled
    • Y10T70/483Flexible shackle
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00Locks
    • Y10T70/40Portable
    • Y10T70/413Padlocks
    • Y10T70/487Parts, accessories, attachments and adjuncts
    • Y10T70/493Protectors
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00Locks
    • Y10T70/70Operating mechanism
    • Y10T70/7441Key
    • Y10T70/7751With ball or roller

Definitions

  • the invention relates to a locking device for a lock, in particular a ring lock, this locking device comprising a plug part and a plug part receptacle with a housing and a latching device which can be actuated by a locking mechanism, which in a basic position of the locking mechanism allows the plug part to be plugged in along an axial direction, the retraction of the
  • the connector part locks, and which in a release position of the locking mechanism allows the connector part to be withdrawn, a latching shoulder being attached to the connector part and the latching device having at least one latching body movable and lockable transversely to the direction of insertion of the connector part for engagement behind the latching shoulder, the latching body also in a guide passage directed transversely to the axial direction of the plug part of a latching body guide element which is movable in the axial direction relative to the housing is received and on its side remote from the inserted plug part is opposite a control surface adjacent to the locking body guide element, which in a locking position relative to the locking body
  • Such a locking device is known from GB-PS 1 567 322.
  • This known locking device has the following structure: the key-operated locking mechanism is arranged radially outside the locking body guide element.
  • the locking body guide element can be locked in a locking position relative to the control surface, in which the locking body is held radially inwards in the locking shoulder engagement position with respect to the locking shoulder by a control surface area near the connector.
  • the locking body guide element is locked in its locking position by the locking mechanism by means of a locking plate which is displaceable in the radial direction with respect to the locking body guide element, between a blocking position blocking the locking body guide element in its locking position and a release position.
  • the locking plate is biased into the blocking position by essentially radially lying helical compression springs 29 and can be secured in this blocking position by the locking mechanism.
  • Securing the Locking plate in the blocking position is carried out by a securing bracket which is displaceable in the circumferential direction of the housing between a securing position in which it secures the locking plate in its blocking position and an unlocking position.
  • the securing bracket is biased into the securing position by a tension spring.
  • the plug part can be moved axially into an evasive position, taking the catch body guide element with it, until the catch body reaches a control surface area remote from the plug in radial comparison.
  • the locking body can then be pushed into the locking shoulder passage position with a further pull-out effect on the plug part by cam-like interaction with the locking shoulder, so that the plug part can be pulled out of the locking body guide element and thus completely detached from the plug part receptacle.
  • the locking mechanism can be returned to its basic position.
  • the locking body guide element remains in the previously reached evasive position, into which it is biased by a conical helical compression spring.
  • the locking plate is prevented from returning to the blocking position by the latching body guide element which remains in its evasive position and remains in its release position.
  • the safety bracket is inhibited by the locking plate remaining in its release position when it returns to the safety position.
  • the plug part receptacle is thus in readiness for reception for the new insertion of the plug part, with this being a renewed actuation the locking mechanism that has already returned to its basic position is not required by the key. If the plug part is now reinserted, the locking body is still in its locking shoulder passage position or can easily be pushed back through a forward cone of the plug part, since the locking body guide element is still in its evasive position.
  • a collar arranged on the plug part comes into abutment engagement with an end face of the locking body guide element which, in its evasive position, projects beyond the housing of the plug part receptacle. If the plug part is now pushed even further into the plug part receptacle, the collar takes the locking body guide element in the direction of its locking position, the locking body again reaching the control surface area of the control surface near the plug and thus being pressed into its locking shoulder engagement position. This is again a positive connection between the locking shoulder and the locking body and the locking body guide element.
  • the locking plate is released so that it can return to its blocking position under the action of the helical compression spring.
  • the securing bracket can return to the securing position under the action of the helical compression spring. Then the lock is locked again and secured.
  • the plug part can no longer be withdrawn without first moving the locking mechanism from its basic position to its release position by key actuation.
  • the invention has for its object to avoid the disadvantages of the known solution in a generic locking device and in particular to ensure increased functionality and thus security with acceptable manufacturing costs.
  • control surface has a second release area which, in a second alternative position brought about by relative rotation of the locking body guide element and control surface by rotating the locking mechanism, is opposite the locking body and in turn releases this for an evasive movement that the locking body guide element is biased into the locked position and that the locking body guide element can be moved from the locked position into the first alternative position by inserting the plug part.
  • the spatial accommodation of the individual functional parts within the connector part receptacle can be considerably simplified.
  • an essentially coaxial arrangement of all essential functional parts, including the locking mechanism, is possible.
  • the locking body guide element in the Locked position is biased by a common coil spring acting in the axial direction and direction of rotation.
  • This coil spring can act as a compression and torsion spring at the same time.
  • the control surface can be formed from the inside of the housing of the plug receptacle.
  • the locking device has a simple structure and small outer dimensions with optimal protection against contamination.
  • the locking body guide element is axially movably guided on a rotating part of the locking mechanism and is in rotary driving engagement with this rotating part.
  • the locking body guide element is axially displaceable and rotatably guided by parts of the control surface, malfunctions due to poor or non-existing guidance of the locking body guide element are avoided.
  • One or more, in particular two, locking bodies can be provided for locking the lock.
  • several locking bodies it is expedient if they are distributed approximately uniformly over the circumference of the plug part.
  • a particularly favorable, ring-shaped load occurs when trying to pull out the plug part without actuating the locking mechanism.
  • the locking bodies can have different geometric shapes. For example, barrel-shaped rolls can be used. It when the latching body or bodies are formed by a ball is particularly advantageous.
  • the locking body guide element can have different geometric shapes. It when the locking body guide element is bell-shaped is particularly advantageous, wherein it is in the bell crest in rotary driving connection with the rotating part and is movable relative to this rotating part in its axial direction. This training is optimally tailored to the function of the element.
  • the locking device according to the invention can be used for a wide variety of purposes. If the plug part and the plug part receptacle are each connected to one end of a cable of a ring lock, it can be used, for example, as a bicycle lock. On the other hand, there is the possibility that a chain or a long bracket will replace the cable. However, any other connection between the plug part and the plug part receptacle is also conceivable. If the cable end assigned to the plug part receptacle is anchored in an inner housing, which, if necessary, surrounds the locking mechanism with an armor function within an outer housing of the plug part receptacle, this represents an additional anti-theft device.
  • the locking body is biased by biasing means in the direction of engagement with the plug part. This measure at the same time makes unauthorized attempts to open difficult by accelerating the plug part receptacle and pulling force on the plug part.
  • the prestressing can be done in the simplest way by means of an elastic ring, for example an O-ring. So that the locking and opening of the lock can be carried out in a single fluid movement, it is proposed that the various control surface regions of the control surface interacting with the latching body connect to one another via curves. Additionally or alone, it can also be provided that at the insertion end of the plug part a locking body displacement slope is arranged.
  • the locking mechanism returns to its basic position after actuation, it is advantageous if it is resiliently biased into it.
  • Any known shape can be used as the locking mechanism. It is particularly expedient if it is a key-operated locking mechanism, in particular a cylinder lock.
  • the latching shoulder can strike against the latching body when the locking device is exposed to vibrations, such as can occur when the locking device is used in a cable lock for bicycles and this lock is carried on the bike while driving.
  • vibrations such as can occur when the locking device is used in a cable lock for bicycles and this lock is carried on the bike while driving.
  • the latching body and / or the latching shoulder can be damaged over the course of time, as a result of which the locking device can malfunction.
  • a spring element is provided between the plug part and the plug part receptacle, which in the locked position urges the locking shoulder into abutment against the locking body.
  • the spring element can be ring-shaped and made of silicone rubber, silicone rubber being a particularly easy-to-shape and inexpensive material.
  • the spring element is designed as a sealing element for sealing between the plug part and the plug part receptacle when the plug part is inserted.
  • the housing of the connector part receptacle is made of metal, it can easily corrode.
  • the connector part receptacle be enclosed by a rubber or plastic jacket.
  • the rubber or plastic jacket can represent an additional anti-theft device, since this is a particularly tough material that is difficult to cut.
  • the rubber or plastic jacket can, for example, be shrunk onto the connector part receptacle.
  • a particularly simple assembly of the jacket is achieved if the rubber or plastic jacket is composed of at least two parts which are connected to one another, preferably locked in place.
  • the locking device is used in a bicycle lock in which the plug part receptacle and the plug part are connected via a ring cable, which is preferably made of wire cable, it may be necessary to protect the cable against corrosion.
  • a ring cable which is preferably made of wire cable
  • the rubber or plastic jacket connect to a hose that surrounds a ring cable. If the hose is made of a tough material, it also represents another anti-theft device.
  • an inhibiting device is provided between the rotating part and the locking body guide element, which inhibits the axial movement of the locking body guide element with respect to the rotating part when the plug part is inserted manually into the plug part receptacle, but inhibits an abrupt axial movement of the locking body guide element with respect to the turned part, for example by accelerating the plug part receptacle.
  • the inhibitor can be constructed in very different ways.
  • the guide between the locking body guide element and the rotating part is designed with swirl distribution means such that an axial movement of the locking body guide element relative to the rotating part inevitably overlaps a relative movement of the two parts.
  • the rotating part engages in the locking position with a section of smaller cross-section in a rotary driving opening of the latching body guide element with the admission of an angular play canceled by torsional preload and that the rotating part engages in the first alternative position with a section of larger cross-section in the rotating driving opening, on which Transition from the section of smaller cross section to the section of larger cross section roof-shaped transition surfaces are arranged, which force a relative rotation of the rotating part and locking body guide element when the section of larger cross section enters the rotary driving opening.
  • the inhibiting device is formed by a suitable damping device.
  • a locking device for a cable ring lock is shown, the two ends of a locking cable being designated 10 and 12.
  • One end 10 of the locking cable is connected to a plug part 14, the other end 12 of the locking cable is connected to a plug part receptacle, generally designated 16.
  • the plug part 14 has a constriction 18 with a locking shoulder 20.
  • This locking shoulder 20 engages in FIG. 1 locking balls 22 forming locking bodies, which in one bell-shaped locking body guide element 24 are accommodated, specifically in guide passages 26 of the locking body guide element 24.
  • the locking body guide element 24 is accommodated within a housing 28 of the plug part receptacle 16. 1 and 2 (locked position of the locking body guide element 24), the locking balls 22 are immovable radially outwards in that they rest on control surface regions 31 of a control surface 30 on an inside of the housing 28.
  • the locking body guide element 24 is secured in the state shown in FIG. 1 against rotation about the axis XX by a key-operated locking mechanism 32, specifically by a locking cylinder core 32a with an integrally formed rotating part 34, which is rotatably mounted in the locking mechanism 32, when the key is pulled (Not shown) with respect to the locking mechanism 32 non-rotatably assumes the rotational position shown in FIGS. 1 and 2 and can be rotated clockwise after inserting the key by means of the key from the position shown in FIGS. 1 and 2.
  • the locking body guide element 24 has a rotary driving opening 24a, in which the rotating part 34 engages.
  • the locking body guide element 24 is seated on this rotating part 34 of the locking cylinder core 32a.
  • the locking cylinder core 32a together with the rotating part 34 and thus also the locking body guide element 24 is turned clockwise, ie in the direction of arrow 38 in FIG. 2, so that the locking balls 22 reach control surface areas 40 of the control surface 30 and radially can dodge outwards with respect to the axis XX (second dodge position of the locking body guide element 24).
  • the control surface areas 40 of the control surface 30 are formed in that the control surface 30 in its lower Area, as indicated at 42, has a diamond-shaped cross section.
  • the locking balls 22 face the control surface regions 40, they can deflect radially outwards when the plug part 14 is removed, so that the plug part 14 can be removed from the plug part receptacle 16.
  • the radial outward displacement of the locking balls 22 is possible by appropriate profiling of the constriction 18, and in particular in that the locking shoulder 20 rests radially inward of the center of the ball of the locking balls 22.
  • the locking body guide element 24 is pressed down by a helical spring 44 fixed to it against a lower stop surface 46 of the housing 28. At the same time, the locking body guide element 24 is subject to a torsional prestress by the helical spring 44, which attempts to turn the locking body guide element 24 into a position in which the locking balls 22 bear against the control surface areas 31. To fix the helical spring 44, a wire end of the spring 44 is inserted into a receiving bore 24b of the locking body guide element (cf. FIGS. 4 and 7).
  • the locking body guide element 24 After uncoupling the plug part 14 and releasing the key, the locking body guide element 24, under the action of the coil spring 44, returns to the position in which the locking balls 22 rest against the control surface areas 31 (ready position for locking). Despite the disengagement of the plug part 14, the locking balls 22 cannot fall radially inward out of the guide passages 26 because the guide passages 26 are constricted at their radially inner ends, as a result of which the locking balls 22 are retained.
  • a key actuation is not required to re-engage the plug part 14 into the plug part receptacle 16.
  • the plug part 14 is, based on the illustration of the locking device in FIG. 1, inserted from below into the bell-shaped locking body guide element 24 and thereby abuts the locking balls 22. Since the locking balls 22 abut the control surface regions 31, they cannot initially move radially outwards dodge. However, the locking body guide element 24 can be pushed upwards by the plug part 14 pressed in by means of the locking balls 22 against the action of the helical spring 44, the locking body guide element 24 being moved upwards on the locking cylinder core 32a (first alternative position of the locking body guide element 24, cf. Fig. 7).
  • the locking balls 22 reach control surface areas 48 of the control surface 30.
  • the housing 28 is widened at the cross-section II-II compared to the diamond-shaped cross-section 42 of the lower region.
  • the locking balls 22 reach the control surface areas 48, they are displaced radially outwards by a locking body displacement bevel 50 at the upper end of the plug part 14 until the locking shoulder 20 has passed over the locking balls 22 and the locking balls 22 again into the constriction 18 can occur. If the insertion pressure on the plug part 14 is removed, the locking body guide element 24 moves down again under the pressure of the coil spring 44.
  • the locking balls 22 return to the control surface areas 31 and are thereby pressed radially inward again into the constriction 18 of the connector part 14, so that the state according to FIGS. 1 and 2 is restored.
  • the radial inward movement of the locking balls 22 can be supported by the fact that on the radially outer part of the locking balls 22nd there is an elastic O-ring 52 which tries to urge the two locking balls 22 radially inwards.
  • the locking mechanism 32 is housed within the housing 28, specifically in an armored inner housing 54, which is fixed in its installed position by warts 56 of the housing 28 and corresponding recesses 58 at the lower edge of the inner housing 54.
  • the inner housing 54 is secured by a cover disk 60, which is held in place by a flange 62 of the housing 28.
  • the coil spring 44 is supported in a recess 64 in the inner housing 54.
  • the cover plate 60 and the flange 62 are annular so that they allow access 66 for the key.
  • the locking mechanism 32 can be a conventional locking cylinder, the locking cylinder core of which has already been mentioned at 32a.
  • the path of rotation of the lock cylinder core 32a is defined within the locking mechanism 32 such that the locking balls 22 abut the control surface regions 31 at one end of this rotation path and the locking balls 22 face the control surface regions 40 at the other end of the rotation path.
  • the helical spring 44 gives the locking cylinder core 32a a pretension in the direction of that end position in which the detent balls 22 face or rest against the control surface regions 31.
  • the ring cable end 12 is anchored in the inner housing 54 with a cable clamp 68, specifically by means of a U-leaf 70, which is inserted into a slot 72 in the inner housing 54 before the cover disk 60 is applied and enters an annular groove 74 in the cable block 68.
  • a cable clamp 68 specifically by means of a U-leaf 70, which is inserted into a slot 72 in the inner housing 54 before the cover disk 60 is applied and enters an annular groove 74 in the cable block 68.
  • Fig. 3 it is shown that the housing 28 is covered by a plastic sheath 76.
  • the plastic jacket 76 consists of two jacket parts 78 and 80, which are plugged together and locked against one another.
  • the sheath part 80 comprises a cable bushing 82 which comprises a cable sheath 84 surrounding the cable 12.
  • the jacket part 80 is chamfered at its lower end 80a in such a way that it can be pressed over the flange 62 while pushing the cable bushing 82 against the housing 28 and then snaps into the position according to FIG. 3, in which it snaps with the jacket part 78 can be locked.
  • a rib 78a of the jacket part 78 engages in a recess 80b of the jacket part 80, so that the jacket part 78 is fixed non-rotatably.
  • the cable sheath 84 is enclosed by a closing piece 86, which also includes the plug part 14.
  • a silicone rubber sleeve 88 is fixed to the connector part 14 by the end piece 86 and rests with an end face 90 under elastic prestress on a contact surface 92 of the jacket part 78, so that a seal is formed here, which prevents dirt and moisture from penetrating prevented in the interior of the connector part receptacle 16.
  • the axially elastic silicone rubber sleeve 88 has another function: it generates a preload on the plug part 14 axially downward, through which the locking shoulder 20 is pressed against the locking balls 22, so that the plug part 14 and the locking balls 22 in the locked position are held wobble-free.
  • the locking body guide element 24 is guided axially displaceably and rotatably on the housing 28 by guide surfaces 30a of the control surface 30 in the lower region of the control surface 30.
  • These Guide surfaces 30a are formed by curves of the diamond-shaped lower housing part 42.
  • FIG. 4-8 shows a further embodiment of the locking device according to the invention, the same components being provided with the same reference numerals.
  • the locking device shown there differs from the locking devices shown in FIGS. 1-3 in that it has a modified rotating part 34 '.
  • This rotating part 34 ' is provided with a section 35a of smaller cross section remote from the locking mechanism, which engages in the rotary driving opening 24a of the locking body guide element 24.
  • There is an angle of rotation play between the rotary driving opening 24a and this section 35a with a smaller cross-section see FIG. 5
  • the torsional preload applied by the helical spring 44 so that there is a between the section 35a with a smaller cross-section and the locking body guide element 24 positive rotational driving connection exists.
  • the rotating part 34 ' also has a section 35b of larger cross section close to the locking mechanism, which engages in the rotary driving opening 24a when the locking body guide element 24 is in its first evasive position (cf. FIG. 7).
  • the section 35a with a smaller cross-section and the section 35b with a larger cross-section are each formed by two flats of the cylindrical rotating part 34 ′ arranged parallel to one another, the section 35a being circumferentially at an angle, in particular an angle between 2 ° and 10 °, relative to the section 35b. preferably 6 °, is rotated (see. Fig. 6a, 6b).
  • the transition from the section 35a with a smaller cross section to the section 35b with a larger cross section is formed by roof-shaped transition surfaces 35c, which have an angle, in particular an angle between 40 ° and 60 °, preferably 50 °, with respect to the axis of the rotating part 34 '.
  • the axial length of the two arranged parallel to each other Areas of the section 35a of smaller cross-section essentially correspond to the immersion depth of this section 35a in the rotary driving opening 24a in the basic position of the locking device.
  • the transition surfaces 35c force a relative rotation of the locking body guide element 24 with respect to the rotating part 34 'against the pretension of the helical spring 44 when the section 35b of larger cross section enters the rotary driving opening 24a (cf. FIGS. 7 and 8).
  • the section 35a with a smaller cross section, the section 35b with a larger cross section and the transition surfaces 35c together form an inhibitor.
  • This inhibiting device can be easily overcome during the operational insertion of the plug part 14 into the plug part receptacle 16, with a slight rotation of the locking body guide element 24 relative to the rotating part 34 'occurring at an angle of 2 ° to 10 °, preferably approx. 6 °.
  • it is prevented by the transition surfaces 35c that when the plug part 14 and the plug part receptacle 16 are relatively accelerated, the locking body guide element 24 slides onto the section 35b of larger cross section and the locking body guide element 24 thus moves into an evasive position in which the locking balls 22 can deflect radially outward. This prevents the locking device from opening unintentionally in the event of sudden mass forces, which further increases the functional reliability of the locking device.

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Lock And Its Accessories (AREA)

Description

Die Erfindung betrifft eine Schließvorrichtung für ein Schloß, insbesondere ein Ringschloß, diese Schließvorrichtung umfassend einen Steckerteil und eine Steckerteilaufnahme mit einem Gehäuse und einer durch ein Schließwerk betätigbaren Rastvorrichtung, welche in einer Grundstellung des Schließwerkes das Einstecken des Steckerteils längs einer Achsrichtung erlaubt, das Zurückziehen des Steckerteils jedoch sperrt, und welche in einer Lösestellung des Schließwerks ein Zurückziehen des Steckerteils gestattet, wobei an dem Steckerteil eine Rastschulter angebracht ist und die Rastvorrichtung mindestens einen quer zur Einführrichtung des Steckerteils beweglichen und sperrbaren Rastkörper zum Eingriff hinter die Rastschulter aufweist, wobei weiter der Rastkörper in einem quer zur Achsrichtung des Steckerteils gerichteten Führungsdurchgang eines relativ zu dem Gehäuse in Achsrichtung beweglichen Rastkörper-Führungselement aufgenommen ist und an seiner von dem eingeführten Steckerteil abgelegenen Seite einer dem Rastkörper-Führungselement benachbarten Steuerfläche gegenüberliegt, welche in einer Sperrstellung relativ zu dem Rastkörper-Führungselement mit einem Sperrbereich dem Rastkörper gegenüberliegt und diesen in eine die Ausziehbewegung des Steckerteils sperrende Eingriffsstellung hinter die Rastschulter drängt und in einer durch Relativverschiebung von Rastkörper-Führungselement und Steuerfläche in Achsrichtung unter Vermittlung des als verdrängbarer Mitnahmeanschlag für den Steckerteil wirkenden Rastkörpers durch den einfahrenden Steckerteil herbeigeführten ersten Ausweichstellung relativ zu dem Steckerteil mit einem ersten Freigabebereich dem Rastkörper gegenüberliegt und diesen für eine Ausweichbewegung freigibt.The invention relates to a locking device for a lock, in particular a ring lock, this locking device comprising a plug part and a plug part receptacle with a housing and a latching device which can be actuated by a locking mechanism, which in a basic position of the locking mechanism allows the plug part to be plugged in along an axial direction, the retraction of the However, the connector part locks, and which in a release position of the locking mechanism allows the connector part to be withdrawn, a latching shoulder being attached to the connector part and the latching device having at least one latching body movable and lockable transversely to the direction of insertion of the connector part for engagement behind the latching shoulder, the latching body also in a guide passage directed transversely to the axial direction of the plug part of a latching body guide element which is movable in the axial direction relative to the housing is received and on its side remote from the inserted plug part is opposite a control surface adjacent to the locking body guide element, which in a locking position relative to the locking body guide element has a locking area opposite the locking body and urges it into an engagement position blocking the pull-out movement of the plug part behind the locking shoulder and in a first evasive position brought about by the retracting plug part, caused by the retracting plug part, which is brought about by the retracting plug part by a relative release of the latching body guide element and the control surface in the axial direction with the intermediary of the latching body acting as a displaceable driving stop for the plug part, opposite the latching body and releasing it for an evasive movement.

Eine derartige Schließvorrichtung ist aus der GB-PS 1 567 322 bekannt. Bei dieser bekannten Schließvorrichtung liegt folgender Aufbau vor: Radial außerhalb des Rastkörper-Führungselements ist das schlüsselbetätigte Schließwerk angeordnet. Mittels dieses Schließwerks kann das Rastkörper-Führungselement in einer Sperrstellung relativ zu der Steuerfläche gesperrt werden, in welcher der Rastkörper durch einen steckernahen Steuerflächenbereich radial einwärts in Rastschulter-Eingriffsstellung gegenüber der Rastschulter gehalten ist. Die Sperrung des Rastkörper-Führungselements in seiner Sperrstellung durch das Schließwerk erfolgt durch eine Sperrplatte, welche in radialer Richtung gegenüber dem Rastkörper-Führungselement verschiebbar ist, zwischen einer das Rastkörper-Führungselement in seiner Sperrstellung blockierenden Blockierstellung und einer Freigabestellung. Die Sperrplatte ist dabei in die Blockierstellung durch im wesentlichen radial liegende Schraubendruckfedern 29 vorgespannt und durch das Schließwerk in dieser Blockierstellung sicherbar. Die Sicherung der Sperrplatte in der Blockierstellung erfolgt durch einen Sicherungsbügel, welcher in Umfangsrichtung des Gehäuses verschiebbar ist zwischen einer Sicherungsstellung, in welcher er die Sperrplatte in ihrer Blockierstellung sichert und einer Entsicherungsstellung. Der Sicherungsbügel ist dabei durch eine Schraubenzugfeder in die Sicherungsstellung vorgespannt. Durch Schlüsselbetätigung des Schließwerks kann der Sicherungsbügel entgegen der auf ihn einwirkenden Zugfeder aus der Sicherungsstellung in die Entsicherungsstellung verdreht und die Sperrplatte in ihre Freigabestellung radial verschoben werden. Dann kann anschließend durch Auszugwirkung auf das Steckerteil das Steckerteil unter Mitnahme des Rastkörper-Führungselemnts so weit in eine Ausweichstellung axial bewegt werden, bis der Rastkörper in radiale Gegenüberstellung zu einem steckerfernen Steuerflächenbereich gelangt. Der Rastkörper kann dann bei weiterer Auszugswirkung auf das Steckerteil durch nockenartiges Zusammenwirken mit der Rastschulter in die Rastschulter-Durchgangsstellung gedrängt werden, so daß das Steckerteil aus dem Rastkörper-Führungselement herausgezogen und damit von der Steckerteilaufnahme vollständig gelöst werden kann. Wenn dieser Zustand erreicht ist, so kann das Schließwerk in seine Grundstellung zurückgeführt werden. Dabei verharrt jedoch das Rastkörper-Führungselement in der vorher erreichten Ausweichstellung, in die es durch eine konische Schraubendruckfeder vorgespannt ist. Die Sperrplatte wird durch das in seiner Ausweichstellung verharrende Rastkörper-Führungselement an der Rückkehr in die Blockierstellung gehindert und verharrt in seiner Freigabestellung. Der Sicherungsbügel wird durch die in seiner Freigabestellung verharrende Sperrplatte an der Rückkehr in die Sicherungsstellung gehemmt. Damit befindet sich die Steckerteilaufnahme in Aufnahmebereitschaft für das erneute Einführen des Steckerteils, wobei hierfür eine erneute Betätigung des bereits in seine Grundstellung zurückgekehrten Schließwerks durch den Schlüssel nicht erforderlich ist. Wenn nämlich das Steckerteil nunmehr erneut eingeführt wird, so ist der Rastkörper immer noch in seiner Rastschulter-Durchgangsstellung oder kann ohne weiteres wieder durch einen Vorlaufkonus des Steckerteils zurückgeschoben werden, da ja das Rastkörper-Führungselement immer noch in seiner Ausweichstellung steht. Wenn die Rastschulter an dem Rastkörper vorbeigegangen ist, gelangt ein an dem Steckerteil angeordneter Bund in Anschlageingriff mit einer Endfläche des Rastkörper-Führungselements, welche in dessen Ausweichstellung über das Gehäuse der Steckerteilaufnahme übersteht. Wird nun das Steckerteil noch weiter in die Steckerteilaufnahme eingeschoben, so nimmt der Bund das Rastkörper-Führungselement in Richtung auf seine Sperrstellung mit, wobei der Rastkörper wieder in den steckernahen Steuerflächenbereich der Steuerfläche gelangt und damit in seine Rastschultereingriffsstellung gedrückt wird. Damit wird wieder Formschluß zwischen der Rastschulter und dem Rastkörper sowie dem Rastkörper-Führungselement hergestellt. Andererseits wird, sobald das Rastkörper-Führungselement seine Sperrstellung gegenüber der Steuerfläche erreicht hat, die Sperrplatte freigegeben, so daß diese unter der Wirkung der Schraubendruckfeder wieder in ihre Blockierstellung gelangen kann. Ist die Sperrplatte wieder in ihre Blockierstellung gelangt, so kann der Sicherungsbügel unter der Wirkung der Schraubendruckfeder in die Sicherungsstellung zurückkehren. Dann ist das Schloß erneut gesperrt und gesichert. Das Steckerteil kann nicht mehr zurückgezogen werden, ohne daß vorher das Schließwerk durch Schlüsselbetätigung aus einer Grundstellung in seine Lösestellung überführt wird.Such a locking device is known from GB-PS 1 567 322. This known locking device has the following structure: the key-operated locking mechanism is arranged radially outside the locking body guide element. By means of this locking mechanism, the locking body guide element can be locked in a locking position relative to the control surface, in which the locking body is held radially inwards in the locking shoulder engagement position with respect to the locking shoulder by a control surface area near the connector. The locking body guide element is locked in its locking position by the locking mechanism by means of a locking plate which is displaceable in the radial direction with respect to the locking body guide element, between a blocking position blocking the locking body guide element in its locking position and a release position. The locking plate is biased into the blocking position by essentially radially lying helical compression springs 29 and can be secured in this blocking position by the locking mechanism. Securing the Locking plate in the blocking position is carried out by a securing bracket which is displaceable in the circumferential direction of the housing between a securing position in which it secures the locking plate in its blocking position and an unlocking position. The securing bracket is biased into the securing position by a tension spring. By actuating the key of the locking mechanism, the securing bracket can be rotated from the securing position to the unlocking position against the tension spring acting on it and the locking plate can be radially displaced into its release position. Then, by pulling out the plug part, the plug part can be moved axially into an evasive position, taking the catch body guide element with it, until the catch body reaches a control surface area remote from the plug in radial comparison. The locking body can then be pushed into the locking shoulder passage position with a further pull-out effect on the plug part by cam-like interaction with the locking shoulder, so that the plug part can be pulled out of the locking body guide element and thus completely detached from the plug part receptacle. When this condition is reached, the locking mechanism can be returned to its basic position. However, the locking body guide element remains in the previously reached evasive position, into which it is biased by a conical helical compression spring. The locking plate is prevented from returning to the blocking position by the latching body guide element which remains in its evasive position and remains in its release position. The safety bracket is inhibited by the locking plate remaining in its release position when it returns to the safety position. The plug part receptacle is thus in readiness for reception for the new insertion of the plug part, with this being a renewed actuation the locking mechanism that has already returned to its basic position is not required by the key. If the plug part is now reinserted, the locking body is still in its locking shoulder passage position or can easily be pushed back through a forward cone of the plug part, since the locking body guide element is still in its evasive position. When the locking shoulder has passed the locking body, a collar arranged on the plug part comes into abutment engagement with an end face of the locking body guide element which, in its evasive position, projects beyond the housing of the plug part receptacle. If the plug part is now pushed even further into the plug part receptacle, the collar takes the locking body guide element in the direction of its locking position, the locking body again reaching the control surface area of the control surface near the plug and thus being pressed into its locking shoulder engagement position. This is again a positive connection between the locking shoulder and the locking body and the locking body guide element. On the other hand, as soon as the locking body guide element has reached its locking position with respect to the control surface, the locking plate is released so that it can return to its blocking position under the action of the helical compression spring. When the locking plate has returned to its blocking position, the securing bracket can return to the securing position under the action of the helical compression spring. Then the lock is locked again and secured. The plug part can no longer be withdrawn without first moving the locking mechanism from its basic position to its release position by key actuation.

Man hat es also bei der Schließvorrichtung nach der GB-PS 1 567 322 mit einer Schließvorrichtung zu tun, bei welcher in der Grundstellung des Schließwerks das Einstecken des Steckerteils erlaubt, das Zurückziehen des Steckerteils jedoch gesperrt ist, während in einer Lösestellung des Schließwerks ein Zurückziehen des Steckerteils gestattet ist.You have to do with the locking device according to GB-PS 1 567 322 with a locking device in which in the basic position of the locking mechanism allows the plug-in part to be plugged in, but the withdrawal of the plug-in part is blocked, while in a release position of the locking mechanism a retraction of the plug part is permitted.

Andererseits erkennt man aus der vorstehenden Erläuterung der zum Stand der Technik gehörenden Ausführungsform auch, daß diese in ihrem Aufbau durch die wirkungsmäßige Verknüpfung des Schließwerks, der Sperrplatte, des Sicherungsbügels und des Rastkörper-Führungselements äußerst kompliziert ist. Damit diese Teile ordnungsgemäß zusammenwirken, ist eine äußerst präzise Herstellung aller genannten Teile notwendig, wie sie für die Herstellung eines einfachen Schlosses, z.B. eines Fahrradschlosses, kostenmäßig nicht denkbar ist. Bei einer Ausführung dieser Teile in einer kostenmäßig akzeptablen Präzision kann mit einem ordnungsgemäßen Zusammenwirken der Teile nicht in allen Fällen gerechnet werden. Ein Verhaken der Teile kann jedenfalls gelegentlich auftreten und dies genügt bereits, um das Schloß unbrauchbar zu machen, unter Umständen in einer Situation, in der durch die Unbrauchbarkeit des Schlosses entweder das Sichern eines wertvollen Gegenstands unmöglich gemacht wird oder die Inbetriebnahme dieses Gegenstands verhindert wird.On the other hand, it can be seen from the above explanation of the embodiment belonging to the prior art that its structure is extremely complicated due to the effective connection of the locking mechanism, the locking plate, the securing bracket and the locking body guide element. In order for these parts to work properly together, an extremely precise production of all the parts mentioned is necessary, such as that required for the production of a simple lock, e.g. a bicycle lock, is not conceivable in terms of cost. If these parts are designed with a cost-acceptable precision, the parts cannot be properly interacted with in all cases. In any case, the parts may get caught and this is sufficient to render the lock unusable, possibly in a situation in which the unusability of the lock either makes it impossible to secure a valuable item or prevents the item from being put into operation.

Hinzu kommt, daß wenn das Steckerteil gezogen ist und die Steckerteilaufnahme sich in Bereitschaftsstellung für ein erneutes Schließen des Schlosses befindet, so besteht die Gefahr, daß durch unbeabsichtigtes Anstoßen an dem überstehenden Ende des Rastkörper-Führungselements das Schloß ohne Einführung des Steckerteils in einen Schließzustand übergeht, in dem das Steckerteil nicht mehr ohne vorherige Schließwerkbetätigung eingeführt werden kann.In addition, if the plug part is pulled and the plug part receptacle is in the standby position for a new closing of the lock, there is a risk that the lock may be inadvertently bumped against the protruding end of the locking body guide element without inserting the plug part passes into a closed state in which the plug part can no longer be inserted without prior actuation of the locking mechanism.

Der Erfindung liegt die Aufgabe zugrunde, bei einer gattungsgemäßen Schließvorrichtung die Nachteile der bekannten Lösung zu vermeiden und insbesondere eine erhöhte Funktionstüchtigkeit und damit Sicherheit bei akzeptablen Fertigungskosten zu gewährleisten.The invention has for its object to avoid the disadvantages of the known solution in a generic locking device and in particular to ensure increased functionality and thus security with acceptable manufacturing costs.

Zur Lösung dieser Aufgabe wird erfindungsgemäß vorgeschlagen, daß die Steuerfläche einen zweiten Freigabebereich aufweist, welcher in einer durch Relativverdrehung von Rastkörper-Führungselement und Steuerfläche durch Drehen des Schließwerks herbeigeführten zweiten Ausweichstellung dem Rastkörper gegenüberliegt und diesen wiederum für eine Ausweichbewegung freigibt, daß das Rastkörper-Führungselement in die Sperrstellung vorgespannt ist und daß das Rastkörper-Führungselement durch Einführen des Steckerteils aus der Sperrstellung in die erste Ausweichstellung überführbar ist.To achieve this object, it is proposed according to the invention that the control surface has a second release area which, in a second alternative position brought about by relative rotation of the locking body guide element and control surface by rotating the locking mechanism, is opposite the locking body and in turn releases this for an evasive movement that the locking body guide element is biased into the locked position and that the locking body guide element can be moved from the locked position into the first alternative position by inserting the plug part.

Bei der erfindungsgemäßen Ausgestaltung läßt sich die räumliche Unterbringung der einzelnen Funktionsteile innerhalb der Steckerteilaufnahme wesentlich vereinfachen. Im einfachsten Fall ist eine im wesentlichen koaxiale Anordnung aller wesentlichen Funktionsteile, einschließlich des Schließwerks, möglich.In the embodiment according to the invention, the spatial accommodation of the individual functional parts within the connector part receptacle can be considerably simplified. In the simplest case, an essentially coaxial arrangement of all essential functional parts, including the locking mechanism, is possible.

Zur weiteren Vereinfachung durch Reduktion der Teilezahl wird empfohlen, daß das Rastkörper-Führungselement in die Sperrstellung durch eine gemeinsame, in Achsrichtung und Drehrichtung wirkende Schraubenfeder vorgespannt ist. Diese Schraubenfeder kann gleichzeitig als Kompressionsund Torsionsfeder wirken.To further simplify by reducing the number of parts, it is recommended that the locking body guide element in the Locked position is biased by a common coil spring acting in the axial direction and direction of rotation. This coil spring can act as a compression and torsion spring at the same time.

Die Steuerfläche kann von der Innenseite des Gehäuses der Steckeraufnahme gebildet sein.The control surface can be formed from the inside of the housing of the plug receptacle.

Ist die Steuerfläche von einer Innenseite eines Gehäuses der Steckerteilaufnahme gebildet, so besitzt die Schließvorrichtung insgesamt einen einfachen Aufbau und geringe äußere Abmaße bei gleichzeitigem, optimalem Schutz gegen Verschmutzung.If the control surface is formed by an inside of a housing of the plug part receptacle, the locking device has a simple structure and small outer dimensions with optimal protection against contamination.

Um auf einfache Weise die Verbindung des Rastkörperführungselements mit dem Schließwerk einerseits und um andererseits die axiale Ausweichbewegung des Rastkörperführungselements zu gewährleisten, wird vorgeschlagen, daß das Rastkörperführungselement auf einem Drehteil des Schließwerks axial beweglich geführt ist und mit diesem Drehteil in Drehmitnahmeeingriff steht.In order to ensure the connection of the locking body guide element with the locking mechanism on the one hand and on the other hand to ensure the axial evasive movement of the locking body guide element in a simple manner, it is proposed that the locking body guide element is axially movably guided on a rotating part of the locking mechanism and is in rotary driving engagement with this rotating part.

Ist das Rastkörperführungselement durch Teile der Steuerfläche axial verschiebbar und drehbar geführt, so werden Fehlfunktionen infolge schlechter oder nicht vorhandener Führung des Rastkörperführungselements vermieden.If the locking body guide element is axially displaceable and rotatably guided by parts of the control surface, malfunctions due to poor or non-existing guidance of the locking body guide element are avoided.

Zur Verrastung des Schlosses können ein oder mehrere, insbesondere zwei Rastkörper vorgesehen werden. Bei mehreren Rastkörpern ist es zweckmäßig, wenn diese annähernd gleichmäßig über den Umfang des Steckerteils verteilt sind. Hierdurch tritt beim Versuch, das Steckerteil ohne Betätigung des Schließwerks herauszuziehen, eine besonders günstige, ringförmige Belastung auf. Die Rastkörper können dabei unterschiedliche geometrische Formen aufweisen. So können beispielsweise tonnenförmige Rollen verwendet werden. Besonders vorteilhaft ist es, wenn der oder die Rastkörper durch eine Kugel gebildet sind.One or more, in particular two, locking bodies can be provided for locking the lock. In the case of several locking bodies, it is expedient if they are distributed approximately uniformly over the circumference of the plug part. As a result, a particularly favorable, ring-shaped load occurs when trying to pull out the plug part without actuating the locking mechanism. The locking bodies can have different geometric shapes. For example, barrel-shaped rolls can be used. It when the latching body or bodies are formed by a ball is particularly advantageous.

Das Rastkörperführungselement kann verschiedene geometrische Formen aufweisen. Besonders vorteilhaft ist es, wenn das Rastkörperführungselement glockenförmig ausgebildet ist, wobei es im Glockenscheitel in Drehmitnahmeverbindung mit dem Drehteil steht und gegenüber diesem Drehteil in dessen Achsrichtung beweglich ist. Diese Ausbildung ist optimal auf die Funktion des Elements abgestimmt.The locking body guide element can have different geometric shapes. It when the locking body guide element is bell-shaped is particularly advantageous, wherein it is in the bell crest in rotary driving connection with the rotating part and is movable relative to this rotating part in its axial direction. This training is optimally tailored to the function of the element.

Umschließt das Gehäuse der Steckerteilaufnahme das Schließwerk, so wird hierdurch ein Eindringen von Schmutz in das Schließwerk verhindert und somit dessen Fehlfunktion vermieden.Encloses the housing of the connector part receptacle Locking mechanism, this prevents dirt from entering the locking mechanism and thus prevents its malfunction.

Um eine möglichst kleinbauende Schließvorrichtung zu erhalten, ist es zweckmäßig, wenn die Schraubenfeder an dem Schließwerk abgestützt ist.In order to obtain a locking device that is as small as possible, it is expedient if the coil spring is supported on the locking mechanism.

Die erfindungsgemäße Schließvorrichtung kann für die unterschiedlichsten Zwecke verwendet werden. Sind das Steckerteil und die Steckerteilaufnahme mit je einem Ende eines Kabels eines Ringschlosses verbunden, so läßt es sich beispielsweise als Fahrradschloß einsetzen. Andererseits besteht die Möglichkeit, daß an die Stelle des Kabels eine Kette oder ein Langbügel tritt. Es ist aber auch jede andere Verbindung zwischen dem Steckerteil und der Steckerteilaufnahme denkbar. Ist das der Steckerteilaufnahme zugeordnete Kabelende in einem Innengehäuse verankert, welches innerhalb eines Außengehäuses der Steckerteilaufnahme das Schließwerk ggf. mit einer Panzerungsfunktion umschießt, so stellt dies eine zusätzliche Diebstahlsicherung dar.The locking device according to the invention can be used for a wide variety of purposes. If the plug part and the plug part receptacle are each connected to one end of a cable of a ring lock, it can be used, for example, as a bicycle lock. On the other hand, there is the possibility that a chain or a long bracket will replace the cable. However, any other connection between the plug part and the plug part receptacle is also conceivable. If the cable end assigned to the plug part receptacle is anchored in an inner housing, which, if necessary, surrounds the locking mechanism with an armor function within an outer housing of the plug part receptacle, this represents an additional anti-theft device.

Um das automatische Verrasten zu unterstützen, wird vorgeschlagen, daß der Rastkörper durch Vorspannmittel in Richtung auf den Eingriff mit dem Steckerteil vorgespannt ist. Diese Maßnahme erschwert gleichzeitig unbefugte Öffnungsversuche durch Beschleunigung der Steckerteilaufnahme und Zugkrafteinwirkung auf das Steckerteil. Bei mehreren Rastkörpern kann die Vorspannung auf einfachste Weise durch einen elastischen Ring, beispielsweise einen O-Ring geschehen. Damit das Verschließen und Öffnen des Schlosses in einer einzigen flüssigen Bewegung erfolgen kann, wird vorgeschlagen, daß die verschiedenen mit dem Rastkörper zusammenwirkenden Steuerflächenbereiche der Steuerfläche über Rundungen aneinander anschließen. Zusätzlich oder alleine kann weiterhin vorgesehen werden, daß an dem Einführungsende des Steckerteils eine Rastkörperverdrängungsschräge angeordnet ist.In order to support the automatic locking, it is proposed that the locking body is biased by biasing means in the direction of engagement with the plug part. This measure at the same time makes unauthorized attempts to open difficult by accelerating the plug part receptacle and pulling force on the plug part. In the case of several locking bodies, the prestressing can be done in the simplest way by means of an elastic ring, for example an O-ring. So that the locking and opening of the lock can be carried out in a single fluid movement, it is proposed that the various control surface regions of the control surface interacting with the latching body connect to one another via curves. Additionally or alone, it can also be provided that at the insertion end of the plug part a locking body displacement slope is arranged.

Damit das Schließwerk nach einer Betätigung wieder in seine Grundstellung gelangt, ist es vorteilhaft, wenn es in diese elastisch vorgespannt ist. Als Schließwerk kann dabei jede bekannte Form verwendet werden. Insbesondere ist es zweckmäßig, wenn es sich um ein schlüsselbetätigtes Schließwerk, insbesondere ein Zylinderschloß handelt.So that the locking mechanism returns to its basic position after actuation, it is advantageous if it is resiliently biased into it. Any known shape can be used as the locking mechanism. It is particularly expedient if it is a key-operated locking mechanism, in particular a cylinder lock.

Besitzt das Steckerteil bei Eingriff des Rastkörpers hinter die Rastschulter eine axiale Beweglichkeit gegenüber dem Rastkörper, so kann die Rastschulter gegen den Rastkörper schlagen, wenn die Schließvorrichtung Erschütterungen ausgesetzt ist, wie sie beispielsweise dann entstehen können, wenn die Schließvorrichtung bei einem Kabelschloß für Fahrräder verwendet und dieses Schloß an dem Fahrrad während der Fahrt mitgeführt wird. Hierdurch kann, neben den störenden Geräuschen, der Rastkörper und/oder die Rastschulter im Laufe der Zeit beschädigt werden, wodurch eine Fehlfunktion der Schließvorrichtung möglich ist. Um dies zu vermeiden, wird vorgeschlagen, daß zwischen dem Steckerteil und der Steckerteilaufnahme ein Federelement vorgesehen ist, welches in der Sperrstellung die Rastschulter in Anlage gegen den Rastkörper drängt.If the plug part has an axial mobility with respect to the latching body when the latching body engages behind the latching shoulder, the latching shoulder can strike against the latching body when the locking device is exposed to vibrations, such as can occur when the locking device is used in a cable lock for bicycles and this lock is carried on the bike while driving. As a result, in addition to the disturbing noises, the latching body and / or the latching shoulder can be damaged over the course of time, as a result of which the locking device can malfunction. To avoid this, it is proposed that a spring element is provided between the plug part and the plug part receptacle, which in the locked position urges the locking shoulder into abutment against the locking body.

Eine besonders einfache Montage des Federelements wird dadurch ermöglicht, wenn das Federelement an das Steckerteil angebracht und zur Anlage gegen eine Anlagefläche der Steckerteilaufnahme ausgebildet ist. Das Federelement kann dabei ringförmig und aus Silikon-Kautschuk hergestellt sein, wobei Silikon-Kautschuk ein besonders leicht zu formender und billiger Werkstoff ist.A particularly simple assembly of the spring element is made possible if the spring element is attached to the plug part and is designed to bear against a contact surface of the plug part receptacle. The spring element can be ring-shaped and made of silicone rubber, silicone rubber being a particularly easy-to-shape and inexpensive material.

Um zu vermeiden, daß Schmutz über die Einführöffnung des Steckerteils in die Steckerteilaufnahme gelangt, wird vorgeschlagen, daß das Federelement als ein Dichtungselement ausgebildet ist zur Abdichtung zwischen dem Steckerteil und der Steckerteilaufnahme bei eingestecktem Stekkerteil.To prevent dirt from entering the Plug part gets into the plug part receptacle, it is proposed that the spring element is designed as a sealing element for sealing between the plug part and the plug part receptacle when the plug part is inserted.

Ist das Gehäuse der Steckerteilaufnahme aus Metall hergestellt, so kann es leicht korrodieren. Um dies zu verhindern, wird weiterhin vorgeschlagen, daß die Steckerteilaufnahme von einem Gummi- oder Kunststoffmantel eingeschlossen ist. Dabei kann der Gummi- oder Kunststoffmantel eine zusätzliche Diebstahlsicherung darstellen, da es sich hierbei um ein besonders zähes, nur schwer zu zerschneidendes Material handelt.If the housing of the connector part receptacle is made of metal, it can easily corrode. In order to prevent this, it is further proposed that the connector part receptacle be enclosed by a rubber or plastic jacket. The rubber or plastic jacket can represent an additional anti-theft device, since this is a particularly tough material that is difficult to cut.

Der Gummi- oder Kunststoffmantel kann auf der Steckerteilaufnahme beispielsweise aufgeschrumpft sein. Eine besonders einfache Montage des Mantels wird dadurch erreicht, wenn der Gummi- oder Kunststoffmantel aus mindestens zwei Teilen zusammengesetzt ist, welche miteinander verbunden, vorzugsweise verrastet sind.The rubber or plastic jacket can, for example, be shrunk onto the connector part receptacle. A particularly simple assembly of the jacket is achieved if the rubber or plastic jacket is composed of at least two parts which are connected to one another, preferably locked in place.

Wird die Schließvorrichtung bei einem Fahrradschloß verwendet, bei dem die Steckerteilaufnahme und das Stekkerteil über ein vorzugsweise aus Drahtseil hergestelltes Ringkabel verbunden sind, so kann es notwendig sein, das Kabel gegen Korrosion zu schützen. Hierzu wird vorgeschlagen, daß der Gummi- oder Kunststoffmantel an einen Schlauch anschließt, welcher ein Ringkabel umgibt. Ist der Schlauch aus einem zähen Material gefertigt, so stellt er ebenfalls eine weitere Diebstahlsicherung dar.If the locking device is used in a bicycle lock in which the plug part receptacle and the plug part are connected via a ring cable, which is preferably made of wire cable, it may be necessary to protect the cable against corrosion. For this purpose, it is proposed that the rubber or plastic jacket connect to a hose that surrounds a ring cable. If the hose is made of a tough material, it also represents another anti-theft device.

Um ein unbeabsichtigtes Öffnen der Schließvorrichtung in Folge der Einwirkung von hohen, insbesondere plötzlich auftretenden Massenkräften zu verhindern, kann als Vorspannmittel eine besonders starke Feder vorgesehen werden. Dies führt aber dazu, daß das Einführen des Steckerteils nur mit einem hohen Kraftaufwand möglich ist. Um die Feder so ausbilden zu können, daß das Steckerteil leichtgängig eingeführt werden kann, und um trotzdem die Schließvorrichtung gegenüber derartigen Massenkräften widerstandsfähig zu machen, wird weiterhin vorgeschlagen, daß zwischen dem Drehteil und dem Rastkörperführungselement eine Hemmeinrichtung vorgesehen ist, welche die axiale Bewegung des Rastkörperführungselements gegenüber dem Drehteil bei Handeinführung des Steckerteils in die Steckerteilaufnahme zuläßt, eine stoßartige axiale Bewegung des Rastkörperführungselements gegenüber dem Drehteil etwa durch Beschleunigung der Steckerteilaufnahme jedoch hemmt.In order to prevent unintentional opening of the locking device as a result of the action of high, in particular suddenly occurring, mass forces, a particularly strong spring can be provided as the pretensioning means. However, this leads to the insertion of the plug part is only possible with great effort. In order to be able to design the spring so that the plug part can be inserted smoothly, and in order nevertheless to make the locking device resistant to such inertia forces, it is further proposed that an inhibiting device is provided between the rotating part and the locking body guide element, which inhibits the axial movement of the locking body guide element with respect to the rotating part when the plug part is inserted manually into the plug part receptacle, but inhibits an abrupt axial movement of the locking body guide element with respect to the turned part, for example by accelerating the plug part receptacle.

Die Hemmeinrichtung kann ganz unterschiedlich aufgebaut sein. So kann vorgesehen werden, daß die Führung zwischen dem Rastkörperführungselement und dem Drehteil mit Drallerteilungsmitteln ausgeführt ist derart, daß einer axialen Bewegung des Rastkörperführungselements gegenüber dem Drehteil sich zwangsläufig eine Relativbewegung der beiden Teile überlagert. Dabei besteht die Möglichkeit, daß das Drehteil in der Sperrstellung mit einem Abschnitt kleineren Querschnitts in einer Drehmitnahmeöffnung des Rastkörperführungselements eingreift unter Zulassung eines durch Drehvorspannung aufgehobenen Drehwinkelspiels und daß das Drehteil in der ersten Ausweichstellung mit einem Abschnitt größeren Querschnitts in die Drehmitnahmeöffnung eingreift, wobei an dem Übergang von dem Abschnitt kleineren Querschnitts zum Abschnitt größeren Querschnitts dachförmige Übergangsflächen angeordnet sind, welche eine Relativverdrehung von Drehteil und Rastkörperführungselement erzwingen, wenn der Abschnitt größeren Querschnitts in die Drehmitnahmeöffnung eintritt. Es besteht aber auch die Möglichkeit, daß die Hemmeinrichtung durch eine hierfür geeignete Dämpfungseinrichtung gebildet wird.The inhibitor can be constructed in very different ways. Thus, it can be provided that the guide between the locking body guide element and the rotating part is designed with swirl distribution means such that an axial movement of the locking body guide element relative to the rotating part inevitably overlaps a relative movement of the two parts. There is the possibility that the rotating part engages in the locking position with a section of smaller cross-section in a rotary driving opening of the latching body guide element with the admission of an angular play canceled by torsional preload and that the rotating part engages in the first alternative position with a section of larger cross-section in the rotating driving opening, on which Transition from the section of smaller cross section to the section of larger cross section roof-shaped transition surfaces are arranged, which force a relative rotation of the rotating part and locking body guide element when the section of larger cross section enters the rotary driving opening. But there is also the possibility that the inhibiting device is formed by a suitable damping device.

Die beiliegenden Figuren erläutern die Erfindung anhand von Ausführungsbeispielen. Es stellen dar:

Fig. 1
einen Längsschnitt durch eine erfindungsgemäße Schließvorrichtung im gesperrten Zustand;
Fig. 2
einen Schnitt nach Linie II-II in der Fig. 1;
Fig. 3
ein Abwandlung zur Ausführungsform nach Fig. 1;
Fig. 4
eine weitere Abwandlung zur Ausführungsform nach Fig. 1;
Fig. 5
einen Schnitt entlang der Linie V-V in der Fig. 4;
Fig. 6a
eine vergrößerte, perspektivische Darstellung eines Drehteils gemäß Fig. 4 in Richtung eines Pfeiles Z in Fig. 4;
Fig. 6b
eine Untersicht des Drehteils gemäß Fig. 6a;
Fig. 7
einen Längsschnitt durch die Schließvorrichtung gemäß Fig. 4, wobei sich ein Steckerteil in seiner ersten Ausweichstellung befindet; und
Fig. 8
einen Schnitt entlang der Linie VIII-VIII in Fig. 7.
The accompanying figures explain the invention using exemplary embodiments. They represent:
Fig. 1
a longitudinal section through a locking device according to the invention in the locked state;
Fig. 2
a section along line II-II in Fig. 1;
Fig. 3
a modification to the embodiment of FIG. 1;
Fig. 4
a further modification to the embodiment of FIG. 1;
Fig. 5
a section along the line VV in Fig. 4;
Fig. 6a
an enlarged, perspective view of a rotating part according to FIG 4 in the direction of an arrow Z in Fig. 4.
Fig. 6b
a bottom view of the rotating part of FIG. 6a;
Fig. 7
a longitudinal section through the locking device according to FIG 4, with a connector part is in its first alternative position. and
Fig. 8
a section along the line VIII-VIII in Fig. 7.

In Fig. 1 ist eine Schließvorrichtung für ein Kabelringschloß dargestellt, wobei die beiden Enden eines Schließkabels mit 10 und 12 bezeichnet sind. Das eine Ende 10 des Schließkabels ist mit einem Steckerteil 14 verbunden, das andere Ende 12 des Schließkabels ist mit einer ganz allgemein mit 16 bezeichneten Steckerteilaufnahme verbunden.In Fig. 1, a locking device for a cable ring lock is shown, the two ends of a locking cable being designated 10 and 12. One end 10 of the locking cable is connected to a plug part 14, the other end 12 of the locking cable is connected to a plug part receptacle, generally designated 16.

Das Steckerteil 14 weist eine Einschnürung 18 mit einer Rastschulter 20 auf. Diese Rastschulter 20 hintergreift in Fig. 1 Rastkörper bildende Rastkugeln 22, welche in einem glockenförmigen Rastkörperführungselement 24 aufgenommen sind, und zwar in Führungsdurchgängen 26 des Rastkörper-führungselements 24. Das Rastkörperführungselement 24 ist innerhalb eines Gehäuses 28 der Steckerteilaufnahme 16 untergebracht. Die Rastkugeln 22 sind in dem Zustand gemäß Fig. 1 und 2 (Sperrstellung des Rastkörperführungselements 24) nach radial außen dadurch unbeweglich, daß sie an Steuerflächenbereiche 31 einer Steuerfläche 30 an einer Innenseite des Gehäuses 28 anliegen.The plug part 14 has a constriction 18 with a locking shoulder 20. This locking shoulder 20 engages in FIG. 1 locking balls 22 forming locking bodies, which in one bell-shaped locking body guide element 24 are accommodated, specifically in guide passages 26 of the locking body guide element 24. The locking body guide element 24 is accommodated within a housing 28 of the plug part receptacle 16. 1 and 2 (locked position of the locking body guide element 24), the locking balls 22 are immovable radially outwards in that they rest on control surface regions 31 of a control surface 30 on an inside of the housing 28.

Das Rastkörperführungselement 24 ist in dem in Fig. 1 dargestellten Zustand gegen Verdrehung um die Achse X-X durch ein schlüsselbetätigtes Schließwerk 32 gesichert, und zwar durch einen Schließzylinderkern 32a mit einem einstückig angeformten Drehteil 34, der in dem Schließwerk 32 drehbar gelagert ist, bei gezogenem Schlüssel (nicht gezeigt) gegenüber dem Schließwerk 32 unverdrehbar die in Fig. 1 und 2 dargestellte Drehstellung einnimmt und nach Stecken des Schlüssels mittels des Schlüssels aus der in Fig. 1 und 2 gezeigten Stellung heraus im Uhrzeigersinn verdreht werden kann.The locking body guide element 24 is secured in the state shown in FIG. 1 against rotation about the axis XX by a key-operated locking mechanism 32, specifically by a locking cylinder core 32a with an integrally formed rotating part 34, which is rotatably mounted in the locking mechanism 32, when the key is pulled (Not shown) with respect to the locking mechanism 32 non-rotatably assumes the rotational position shown in FIGS. 1 and 2 and can be rotated clockwise after inserting the key by means of the key from the position shown in FIGS. 1 and 2.

Das Rastkörperführungselement 24 weist eine Drehmitnahmeöffnung 24a auf, in welcher das Drehteil 34 eingreift. Auf diesem Drehteil 34 des Schließzylinderkerns 32a sitzt das Rastkörperführungselement 24.The locking body guide element 24 has a rotary driving opening 24a, in which the rotating part 34 engages. The locking body guide element 24 is seated on this rotating part 34 of the locking cylinder core 32a.

Zum Öffnen der Schließvorrichtung wird nach Stecken des Schlüssels der Schließzylinderkern 32a zusammen mit dem Drehteil 34 und damit auch das Rastkörperführungselement 24 im Uhrzeigersinn, d.h. in Pfeilrichtung 38 der Fig. 2 gedreht, so daß die Rastkugeln 22 in Steuerflächenbereiche 40 der Steuerfläche 30 gelangen und radial auswärts gegenüber der Achse X-X ausweichen können (zweite Ausweichstellung des Rastkörperführungselements 24). Die Steuerflächenbereiche 40 der Steuerfläche 30 sind dadurch gebildet, daß die Steuerfläche 30 in ihrem unteren Bereich, wie bei 42 angedeutet, einen rautenförmigen Querschnitt besitzt.To open the locking device, after inserting the key, the locking cylinder core 32a together with the rotating part 34 and thus also the locking body guide element 24 is turned clockwise, ie in the direction of arrow 38 in FIG. 2, so that the locking balls 22 reach control surface areas 40 of the control surface 30 and radially can dodge outwards with respect to the axis XX (second dodge position of the locking body guide element 24). The control surface areas 40 of the control surface 30 are formed in that the control surface 30 in its lower Area, as indicated at 42, has a diamond-shaped cross section.

Wenn die Rastkugeln 22 den Steuerflächenbereichen 40 gegenüberstehen, so können sie beim Abziehen des Steckerteils 14 nach radial außen ausweichen, so daß der Stekkerteil 14 aus der Steckerteilaufnahme 16 herausgenommen werden kann. Die Radial-Auswärts-Verdrängung der Rastkugeln 22 ist durch entsprechende Profilierung der Einschnürung 18 möglich, und insbesondere dadurch, daß die Rastschulter 20 radial einwärts des Kugelmittelpunkts der Rastkugeln 22 an diesen anliegt.If the locking balls 22 face the control surface regions 40, they can deflect radially outwards when the plug part 14 is removed, so that the plug part 14 can be removed from the plug part receptacle 16. The radial outward displacement of the locking balls 22 is possible by appropriate profiling of the constriction 18, and in particular in that the locking shoulder 20 rests radially inward of the center of the ball of the locking balls 22.

Das Rastkörperführungselement 24 ist durch eine an ihm festgelegte Schraubenfeder 44 nach unten gedrückt gegen eine untere Anschlagfläche 46 des Gehäuses 28. Gleichzeitig unterliegt das Rastkörperführungselement 24 durch die Schraubenfeder 44 einer Torsionsvorspannung, welche das Rastkörperführungselement 24 in eine Stellung zu drehen sucht, in welcher die Rastkugeln 22 an den steuerflächenbereichen 31 anliegen. Zur Festlegung der Schraubenfeder 44 ist dabei ein Drahtende der Feder 44 in eine Aufnahmebohrung 24b des Rastkörperführungselements eingeschoben (vgl. Fig. 4 und 7).The locking body guide element 24 is pressed down by a helical spring 44 fixed to it against a lower stop surface 46 of the housing 28. At the same time, the locking body guide element 24 is subject to a torsional prestress by the helical spring 44, which attempts to turn the locking body guide element 24 into a position in which the locking balls 22 bear against the control surface areas 31. To fix the helical spring 44, a wire end of the spring 44 is inserted into a receiving bore 24b of the locking body guide element (cf. FIGS. 4 and 7).

Nach Auskuppeln des Steckerteil 14 und Loslassen des Schlüssels kehrt also das Rastkörperführungselement 24 unter der Wirkung der Schraubenfeder 44 in die Stellung zurück, in welcher die Rastkugeln 22 an den Steuerflächenbereichen 31 anliegen (Bereitschaftsstellung zum Verrasten). Dabei können trotz der Auskupplung des Stekkerteils 14 die Rastkugeln 22 nicht nach radial innen aus den Führungsdurchgängen 26 herausfallen, weil die Führungsdurchgänge 26 an ihren radial inneren Enden eingeengt sind, wodurch die Rastkugeln 22 zurückgehalten werden.After uncoupling the plug part 14 and releasing the key, the locking body guide element 24, under the action of the coil spring 44, returns to the position in which the locking balls 22 rest against the control surface areas 31 (ready position for locking). Despite the disengagement of the plug part 14, the locking balls 22 cannot fall radially inward out of the guide passages 26 because the guide passages 26 are constricted at their radially inner ends, as a result of which the locking balls 22 are retained.

Zum erneuten Einkuppeln des Steckerteils 14 in die Stekkerteilaufnahme 16 bedarf es einer Schlüsselbetätigung nicht. Das Steckerteil 14 wird dabei, bezogen auf die Darstellung der Schließvorrichtung in Fig. 1, von unten in das glockenförmige Rastkörperführungselement 24 eingeführt und stößt dabei gegen die Rastkugeln 22. Da die Rastkugeln 22 an den Steuerflächenbereichen 31 anliegen, können sie zunächst nicht nach radial auswärts ausweichen. Wohl aber kann das Rastkörperführungselement 24 durch den nach oben eingedrückten Steckerteil 14 unter Vermittlung der Rastkugeln 22 gegen die Wirkung der Schraubenfeder 44 nach oben verschoben werden, wobei das Rastkörperführungselement 24 auf dem Schließzylinderkern 32a nach oben verfahren wird (erste Ausweichstellung des Rastkörperführungselements 24, vgl. Fig. 7). Dabei gelangen die Rastkugeln 22 als Folge der Aufwärtsverschiebung des Rastkörperführungselements 24 in Steuerflächenbereiche 48 der Steuerfläche 30. Zur Bildung dieser Steuerflächenbereiche 48 ist das Gehäuse 28 auf der Höhe des Querschnitts II-II gegenüber dem rautenförmigen Querschnitt 42 des unteren Bereichs erweitert. Wenn die Rastkugeln 22 in die Steuerflächenbereiche 48 gelangen, so werden sie durch eine Rastkörperverdrängungsschräge 50 am oberen Ende des Steckerteils 14 nach radial außen verdrängt, so lange, bis die Rastschulter 20 über die Rastkugeln 22 hinweggegangen ist und die Rastkugeln 22 wieder in die Einschnürung 18 eintreten können. Wenn der Einführungsdruck auf das Steckerteil 14 weggenommen wird, so bewegt sich das Rastkörperführungselement 24 unter dem Druck der Schraubenfeder 44 wieder nach unten. Die Rastkugeln 22 gelangen wieder in die Steuerflächenbereiche 31 und werden dadurch wieder radial einwärts in die Einschnürung 18 des Stekkerteils 14 hineingedrückt, so daß der Zustand gemäß Fig. 1 und 2 wiederhergestellt ist. Die Radial-Einwärts-Bewegung der Rastkugeln 22 kann dabei dadurch unterstützt werden, daß an dem radial äußeren Teil der Rastkugeln 22 ein elastischer O-Ring 52 anliegt, welcher die beiden Rastkugeln 22 radial einwärts zu drängen sucht.A key actuation is not required to re-engage the plug part 14 into the plug part receptacle 16. The plug part 14 is, based on the illustration of the locking device in FIG. 1, inserted from below into the bell-shaped locking body guide element 24 and thereby abuts the locking balls 22. Since the locking balls 22 abut the control surface regions 31, they cannot initially move radially outwards dodge. However, the locking body guide element 24 can be pushed upwards by the plug part 14 pressed in by means of the locking balls 22 against the action of the helical spring 44, the locking body guide element 24 being moved upwards on the locking cylinder core 32a (first alternative position of the locking body guide element 24, cf. Fig. 7). As a result of the upward displacement of the locking body guide element 24, the locking balls 22 reach control surface areas 48 of the control surface 30. To form these control surface areas 48, the housing 28 is widened at the cross-section II-II compared to the diamond-shaped cross-section 42 of the lower region. When the locking balls 22 reach the control surface areas 48, they are displaced radially outwards by a locking body displacement bevel 50 at the upper end of the plug part 14 until the locking shoulder 20 has passed over the locking balls 22 and the locking balls 22 again into the constriction 18 can occur. If the insertion pressure on the plug part 14 is removed, the locking body guide element 24 moves down again under the pressure of the coil spring 44. The locking balls 22 return to the control surface areas 31 and are thereby pressed radially inward again into the constriction 18 of the connector part 14, so that the state according to FIGS. 1 and 2 is restored. The radial inward movement of the locking balls 22 can be supported by the fact that on the radially outer part of the locking balls 22nd there is an elastic O-ring 52 which tries to urge the two locking balls 22 radially inwards.

Das Schließwerk 32 ist innerhalb des Gehäuses 28 untergebracht, und zwar in einem panzernden Innengehäuse 54, welches in seiner Einbaustellung durch Warzen 56 des Gehäuses 28 und entsprechende Ausnehmungen 58 am unteren Rand des Innengehäuses 54 festgelgt ist. Nach oben ist das Innengehäuse 54 durch eine Abdeckscheibe 60 gesichert, die durch eine Umbördelung 62 des Gehäuses 28 festgehalten ist. Die Schraubenfeder 44 stützt sich in einer Vertiefung 64 des Innengehäuses 54 ab. Die Abdeckscheibe 60 und die Umbördelung 62 sind ringförmig, so daß sie einen Zutritt 66 für den Schlüssel gewähren.The locking mechanism 32 is housed within the housing 28, specifically in an armored inner housing 54, which is fixed in its installed position by warts 56 of the housing 28 and corresponding recesses 58 at the lower edge of the inner housing 54. At the top, the inner housing 54 is secured by a cover disk 60, which is held in place by a flange 62 of the housing 28. The coil spring 44 is supported in a recess 64 in the inner housing 54. The cover plate 60 and the flange 62 are annular so that they allow access 66 for the key.

Das Schließwerk 32 kann ein herkömmlicher schließzylinder sein, dessen Schließzylinderkern bei 32a bereits erwähnt wurde. Der Drehweg des Schließzylinderkerns 32a ist innerhalb des Schließwerks 32 so festgelegt, daß am einen Ende dieses Drehwegs die Rastkugeln 22 an den Steuerflächenbereichen 31 anliegen und am anderen Ende des Drehwegs die Rastkugeln 22 den Steuerflächenbereichen 40 gegenüberstehen. Die Schraubenfeder 44 erteilt dem Schließzylinderkern 32a eine Vorspannung in Richtung auf diejenige Endstellung, in welcher die Rastkugeln 22 den Steuerflächenbereichen 31 gegenüberstehen bzw. anliegen.The locking mechanism 32 can be a conventional locking cylinder, the locking cylinder core of which has already been mentioned at 32a. The path of rotation of the lock cylinder core 32a is defined within the locking mechanism 32 such that the locking balls 22 abut the control surface regions 31 at one end of this rotation path and the locking balls 22 face the control surface regions 40 at the other end of the rotation path. The helical spring 44 gives the locking cylinder core 32a a pretension in the direction of that end position in which the detent balls 22 face or rest against the control surface regions 31.

Das Ringkabelende 12 ist mit einem Kabelkloben 68 in dem Innengehäuse 54 verankert, und zwar vermittels eines U-Blättchens 70, welches in einen Schlitz 72 des Innengehäuses 54 vor Aufbringen der Abdeckscheibe 60 eingesteckt wird und in eine Ringnut 74 des Kabelklobens 68 eintritt. Durch Abflachungen an dem Kabelkloben 68 und entsprechende Gegenabflachungen des Innengehäuses 54 ist der Kabelkloben 68 gegen Verdrehen relativ zu dem Innengehäuse 54 gesichert.The ring cable end 12 is anchored in the inner housing 54 with a cable clamp 68, specifically by means of a U-leaf 70, which is inserted into a slot 72 in the inner housing 54 before the cover disk 60 is applied and enters an annular groove 74 in the cable block 68. By flattening the cable block 68 and corresponding counter-flattening of the inner housing 54, the cable block 68 is secured against rotation relative to the inner housing 54.

In Fig. 3 ist dargestellt, daß das Gehäuse 28 durch eine Kunststoffummantelung 76 abgedeckt ist. Die Kunststoffummantelung 76 besteht aus zwei Mantelteilen 78 und 80, die zusammengesteckt und gegeneinander verrastet sind. Der Mantelteil 80 umfaßt eine Kabeldurchführung 82, welche einen das Kabel 12 umschließenden Kabelmantel 84 umfaßt. Der Mantelteil 80 ist an seinem unteren Ende 80a so abgeschrägt, daß er unter gleichzeitigem Heranschieben der Kabeldurchführung 82 an das Gehäuse 28 über die Umbördelung 62 hinweg gedrückt werden kann und dann in die Stellung nach Fig. 3 schnappt, in welcher er mit dem Mantelteil 78 verrastet werden kann. Eine Rippe 78a des Mantelteils 78 greift dabei in eine Ausnehmung 80b des Mantelteils 80 ein, so daß der Mantelteil 78 unverdrehbar festgelegt ist.In Fig. 3 it is shown that the housing 28 is covered by a plastic sheath 76. The plastic jacket 76 consists of two jacket parts 78 and 80, which are plugged together and locked against one another. The sheath part 80 comprises a cable bushing 82 which comprises a cable sheath 84 surrounding the cable 12. The jacket part 80 is chamfered at its lower end 80a in such a way that it can be pressed over the flange 62 while pushing the cable bushing 82 against the housing 28 and then snaps into the position according to FIG. 3, in which it snaps with the jacket part 78 can be locked. A rib 78a of the jacket part 78 engages in a recess 80b of the jacket part 80, so that the jacket part 78 is fixed non-rotatably.

Im Bereich des Steckerteils 14 ist der Kabelmantel 84 von einem Schlußstück 86 umschlossen, welches auch den Stekkerteil 14 umfaßt. Eine Silikon-Kautschuk-Hülse 88 ist an dem Steckerteil 14 durch das Schlußstück 86 festgelgt und liegt mit einer Endfläche 90 unter elastischer Vorspannung an einer Anlagefläche 92 des Mantelteils 78 an, so daß hier eine Abdichtung gebildet ist, welche ein Eindringen von Schmutz und Feuchtigkeit in das Innere der Steckerteilaufnahme 16 verhindert.In the area of the plug part 14, the cable sheath 84 is enclosed by a closing piece 86, which also includes the plug part 14. A silicone rubber sleeve 88 is fixed to the connector part 14 by the end piece 86 and rests with an end face 90 under elastic prestress on a contact surface 92 of the jacket part 78, so that a seal is formed here, which prevents dirt and moisture from penetrating prevented in the interior of the connector part receptacle 16.

Daneben hat die axial elastische Silikon-Kautschuk-Hülse 88 noch eine andere Funktion: Sie erzeugt eine Vorspannung auf das Steckerteil 14 nach axial unten, durch welche die Rastschulter 20 gegen die Rastkugeln 22 gedrückt wird, so daß das Steckerteil 14 und die Rastkugeln 22 in der Verschlußstellung wackelfrei festgehalten sind.In addition, the axially elastic silicone rubber sleeve 88 has another function: it generates a preload on the plug part 14 axially downward, through which the locking shoulder 20 is pressed against the locking balls 22, so that the plug part 14 and the locking balls 22 in the locked position are held wobble-free.

Es ist noch zu bemerken, daß das Rastkörperführungselement 24 an dem Gehäuse 28 durch Führungsflächen 30a der Steuerfläche 30 im unteren Beeich der Steuerfläche 30 axial verschiebbar und drehbar geführt ist. Diese Führungsflächen 30a sind von Rundungen des rautenförmigen unteren Gehäuseteils 42 gebildet.It should also be noted that the locking body guide element 24 is guided axially displaceably and rotatably on the housing 28 by guide surfaces 30a of the control surface 30 in the lower region of the control surface 30. These Guide surfaces 30a are formed by curves of the diamond-shaped lower housing part 42.

In den Fig. 4 - 8 ist eine weitere Ausführungsform der erfindungsgemäßen Schließvorrichtung gezeigt, wobei gleiche Bauteile mit gleichen Bezugszeichen versehen sind. Die dort gezeigte Schließvorrichtung unterscheidet sich von den in den Fig. 1 - 3 gezeigten Schließvorrichtungen dahingehend, daß sie ein modifiziertes Drehteil 34' besitzt. Dieses Drehteil 34' ist mit einem schließwerkfernen Abschnitt 35a kleineren Querschnitts versehen, der in die Drehmitnahmeöffnung 24a des Rastkörperführungselements 24 eingreift. Hierbei besteht zwischen der Drehmitnahmeöffnung 24a und diesem Abschnitt 35a kleineren Querschnitts ein Drehwinkelspiel (vgl. Fig. 5), welches jedoch durch die von der Schraubenfeder 44 aufgebrachte Drehvorspannung ausgeglichen wird, so daß zwischen dem Abschnitt 35a kleineren Querschnitts und dem Rastkörper-führungselement 24 eine formschlüssige Drehmitnahmeverbindung besteht. Das Drehteil 34' besitzt darüber hinaus einen schließwerknahen Abschnitt 35b größeren Querschnitts, der in die Drehmitnahmeöffnung 24a dann eingreift, wenn sich das Rastkörperführungselement 24 in seiner ersten Ausweichstellung befindet (vgl. Fig. 7). Der Abschnitt 35a kleineren Querschnitts und der Abschnitt 35b größeren Querschnitts ist jeweils durch zwei parallel zueinander angeordnete Abflachungen des zylindrischen Drehteils 34' gebildet, wobei der Abschnitt 35a gegenüber dem Abschnitt 35b in Umfangsrichtung um einen Winkel, insbesondere einen Winkel zwischen 2° und 10°, vorzugsweise 6°, verdreht ist (vgl. Fig. 6a,6b). Der Übergang von dem Abschnitt 35a kleineren Querschnitts zu dem Abschnitt 35b größeren Querschnitts wird durch dachförmige Übergangsflächen 35c gebildet, welche gegenüber der Achse des Drehteils 34' einen Winkel, insbesondere einen Winkel zwischen 40° und 60°, vorzugsweise 50°, aufweisen. Die axiale Länge der beiden parallel zueinander angeordneten Flächen des Abschnitts 35a kleineren Querschnitts entspricht dabei im wesentlichen der Eintauchtiefe dieses Abschnitts 35a in die Drehmitnahmeöffnung 24a in der Grundstellung der Schließvorrichtung.4-8 shows a further embodiment of the locking device according to the invention, the same components being provided with the same reference numerals. The locking device shown there differs from the locking devices shown in FIGS. 1-3 in that it has a modified rotating part 34 '. This rotating part 34 'is provided with a section 35a of smaller cross section remote from the locking mechanism, which engages in the rotary driving opening 24a of the locking body guide element 24. There is an angle of rotation play between the rotary driving opening 24a and this section 35a with a smaller cross-section (see FIG. 5), which, however, is compensated for by the torsional preload applied by the helical spring 44, so that there is a between the section 35a with a smaller cross-section and the locking body guide element 24 positive rotational driving connection exists. The rotating part 34 'also has a section 35b of larger cross section close to the locking mechanism, which engages in the rotary driving opening 24a when the locking body guide element 24 is in its first evasive position (cf. FIG. 7). The section 35a with a smaller cross-section and the section 35b with a larger cross-section are each formed by two flats of the cylindrical rotating part 34 ′ arranged parallel to one another, the section 35a being circumferentially at an angle, in particular an angle between 2 ° and 10 °, relative to the section 35b. preferably 6 °, is rotated (see. Fig. 6a, 6b). The transition from the section 35a with a smaller cross section to the section 35b with a larger cross section is formed by roof-shaped transition surfaces 35c, which have an angle, in particular an angle between 40 ° and 60 °, preferably 50 °, with respect to the axis of the rotating part 34 '. The axial length of the two arranged parallel to each other Areas of the section 35a of smaller cross-section essentially correspond to the immersion depth of this section 35a in the rotary driving opening 24a in the basic position of the locking device.

Wird das Rastkörperführungselement 24 aus seiner Grundstellung, in welcher der Abschnitt 35a kleineren Querschnitts des Drehteils 34' in die Drehmitnahmeöffnung 24a eingreift, durch das Einfahren des Steckerteils 14 in seine erste Ausweichstellung axial entlang dem Drehteil 34' verschoben, so erzwingen die Übergangsflächen 35c eine Relativdrehung des Rastkörperführungselements 24 gegenüber dem Drehteil 34' entgegen der Vorspannung der Schraubenfeder 44, wenn der Abschnitt 35b größeren Querschnitts in die Drehmitnahmeöffnung 24a eintritt (vgl. Fig. 7 und 8).If the locking body guide element 24 is displaced axially along the rotating part 34 'from its basic position, in which the section 35a of smaller cross section of the rotating part 34' engages in the rotary driving opening 24a, by moving the plug part 14 into its first evasive position, the transition surfaces 35c force a relative rotation of the locking body guide element 24 with respect to the rotating part 34 'against the pretension of the helical spring 44 when the section 35b of larger cross section enters the rotary driving opening 24a (cf. FIGS. 7 and 8).

Der Abschnitt 35a kleineren Querschnitts, der Abschnitt 35b größeren Querschnitts und die Übergangsflächen 35c bilden zusammen eine Hemmeinrichtung. Diese Hemmeinrichtung läßt sich bei dem betriebsmäßigen Einführen des Steckerteils 14 in die Steckerteilaufnahme-16 ohne weiteres überwinden, wobei eine geringfügige Verdrehung des Rastkörperführungselements 24 gegenüber dem Drehteil 34' um den Winkel von 2° - 10°, vorzugsweise ca. 6° eintritt. Andererseits ist durch die Übergangsflächen 35c verhindert, daß bei einer Relativbeschleunigung des Steckerteils 14 und der Steckerteilaufnahme 16 das Rastkörperführungselement 24 auf den Abschnitt 35b größeren Querschnitts aufgleitet und das Rastkörperführungselement 24 damit in eine Ausweichstellung gelangt, in der die Rastkugeln 22 nach radial auswärts ausweichen können. Hierdurch wird verhindert, daß bei schlagartig auftretenden Massenkräften ein unbeabsichtigtes Öffnen der Schließvorrichtung eintritt, wodurch die Funktionssicherheit der Schließvorrichtung weiter gesteigert wird.The section 35a with a smaller cross section, the section 35b with a larger cross section and the transition surfaces 35c together form an inhibitor. This inhibiting device can be easily overcome during the operational insertion of the plug part 14 into the plug part receptacle 16, with a slight rotation of the locking body guide element 24 relative to the rotating part 34 'occurring at an angle of 2 ° to 10 °, preferably approx. 6 °. On the other hand, it is prevented by the transition surfaces 35c that when the plug part 14 and the plug part receptacle 16 are relatively accelerated, the locking body guide element 24 slides onto the section 35b of larger cross section and the locking body guide element 24 thus moves into an evasive position in which the locking balls 22 can deflect radially outward. This prevents the locking device from opening unintentionally in the event of sudden mass forces, which further increases the functional reliability of the locking device.

Claims (31)

  1. Locking device for a lock, especially a ring lock, this locking device comprising a connecting part (14) and a connecting part case (16) with a housing (28) and a snap-in locking device (22, 24, 30) able to be actuated by a locking mechanism (32), which in a basic position of the locking mechanism (32) allows insertion of the connecting part (14) along an axial direction (X-X), but prevents withdrawal of the connecting part (14) and in a released position of the locking mechanism (32) allows withdrawal of the connecting part (14), a ratchet shoulder (20) being located on the connecting part (14) and the snap-in locking device (22, 24, 30) comprising at least one ratchet body (22) which is transversely movable and lockable with respect to the insertion direction of the connecting part (14) for engagement behind the ratchet shoulder (20), furthermore the ratchet body (22) being accommodated in a guide passage (26), which is directed transversely with respect to the axial direction (X-X) of the connecting part (14), of a ratchet body guide element (24) able to move relative to the housing (28) in the axial direction (X-X) and at its side remote from the inserted connecting part (14) lies opposite to a guide surface (30) adjacent to the ratchet body guide element (24), which guide surface (30) in a locking position relative to the ratchet body guide element (24) lies opposite by a locking region (at 31) to the ratchet body (22) and urges the latter into an engagement position preventing withdrawal of the connecting part (14) behind the ratchet shoulder (20) and in a first evasion position relative to the connecting part (14) - this first evasion position being brought about by an axial relative displacement of the ratchet body guide element (24) and guide surface (30) by introducing the connecting part (14) by means of the ratchet body (22) acting as a displaceable entrainment stop for the connecting part (14) - lies opposite the ratchet body (22) by a first release region (at 48) and releases the latter for an evasion movement, characterised in that the guide surface (30) comprises a second release region (at 40) which in a second evasion position brought about by the relative rotation of the ratchet body guide element (24) and guide surface (30) by rotation of the locking mechanism (32) lies opposite the ratchet body (22) and releases the latter again for an evasion movement, that the ratchet body guide element (24) is biased into the locking position and by introducing the connecting part (14), the ratchet body guide element (24) can be transferred from the locking position into the first evasion position.
  2. Locking device according to Claim 1, characterised in that the ratchet body guide element (24) is pretensioned in the locking position by a common coil spring (44) acting in the axial direction and direction of rotation.
  3. Locking device according to Claim 1 or 2, characterised in that the ratchet body guide element (24) is simultaneously pretensioned in the axial direction and circumferential direction by a coil spring (44).
  4. Locking device according to one of Claims 1 to 3, characterised in that the guide surface is formed by the inner side of the housing (28) of the connecting part casing (16).
  5. Locking device according to one of Claims 1 to 4, characterised in that the ratchet body guide element (24) is guided for axial movement on a pivoted part (34, 34') of the locking mechanism (32) and it is in rotation-catching engagement with this pivoted part (34, 34').
  6. Locking device according to one of Claims 1 to 5, characterised in that the ratchet body guide element (24) is guided to be axially displaceable and rotatable by parts (30a) of the guide surface (30).
  7. Locking device according to one of Claims 1 to 6, characterised by at least two ratchet bodies (22) distributed approximately uniformly over the circumference of the connecting part (14).
  8. Locking device according to one of Claims 1 to 7, characterised in that the ratchet body guide element (24) is bell-shaped, being in rotation-catching connection with a pivoted part (34, 34') of the locking mechanism (32) at the angular point of the bell and being movable in relation to this pivoted part (34, 34') in its axial direction.
  9. Locking device according to one of Claims 4 to 8, characterised in that the housing (28) encloses the locking mechanism (32).
  10. Locking device according to one of Claims 3 to 9, characterised in that the coil spring (44) is supported on the locking mechanism (32).
  11. Locking device according to one of Claims 1 to 10, characterised in that the connecting part (14) and the connecting part case (16) are each connected to one end (10, 12) of a cable of a ring lock.
  12. Locking device according to Claim 11, characterised in that the end (12) of the cable associated with the connecting part casing (16) is anchored in an inner housing (54), which encloses the locking mechanism (32) possibly with a reinforcement function inside an outer housing (28) of the connecting part case (16).
  13. Locking device according to one of Claims 1 to 12, characterised in that the ratchet body (22) is pretensioned by biasing means (52) in the direction of engagement with the connecting part (14).
  14. Locking device according to Claim 13, characterised in that in the case of several ratchet bodies (22), the biasing means (52) are formed by an elastic ring, preferably an O-ring.
  15. Locking device according to one of Claims 1 to 14, characterised in that the different guide surface areas (31, 40, 48) of the guide surface (30) cooperating with the ratchet body (22) are joined to each other by curves.
  16. Locking device according to one of Claims 1 to 15, characterised in that the ratchet body (22) is formed by a ratchet ball.
  17. Locking device according to one of Claims 1 to 16, characterised in that at the inserting end of the connecting part (14), a displacement bevel (50) for the ratchet body (22) is situated.
  18. Locking device according to one of Claims 1 to 17, characterised in that the locking mechanism (32) is elastically pre-tensioned in its basic position.
  19. Locking device according to one of Claims 1 to 18, characterised in that the locking mechanism (32) is a key-operated locking mechanism, particularly a cylinder lock.
  20. Locking device according to one of Claims 12 to 19, characterised in that the inner housing (54) bears against the outer housing (28) along a surface, preferably along an entire surface.
  21. Locking device according to one of Claims 1 to 20, in which the connecting part (14) is axially movable with respect to the ratchet body (22), when the ratchet body (22) has engaged behind the ratchet shoulder (20), characterised in that a spring element (88) is provided between the connecting part (14) and the connecting part case (16), which spring member (88), in the locking position, forces the ratchet shoulder (20) to bear against the ratchet body (22).
  22. Locking device according to Claim 21, characterised in that the spring member (88) is fixed to the connecting part (14) and is constructed to bear against a bearing surface (92) of the connecting part case (16).
  23. Locking device according to Claim 22, characterised in that the spring element (88) is annular and is made of silicone rubber.
  24. Locking device according to one of Claims 21 to 23, characterised in that the spring element (88) is constructed as a sealing element to provide a seal between the connecting part (14) and the connecting part case (16), when the connecting part (14) is inserted.
  25. Locking device according to one of Claims 1 to 24, characterised in that the connecting part case (16) is enclosed by a rubber or plastic jacket (76).
  26. Locking device according to Claim 25, characterised in that the rubber or plastic jacket (76) is composed of at least two parts (78 and 80), which are connected to each other, preferably engaged with each other.
  27. Locking device according to Claim 26, characterised in that the rubber or plastic jacket (76) is connected to a tube (84), which encloses a ring cable.
  28. Locking device according to Claim 27, characterised in that at the side of the connecting part (14), the tube (84) is tightly connected to a spring element (88), which comes to bear in a sealing manner against the rubber or plastic jacket (76).
  29. Locking device according to Claims 1 and 5 and possibly one of Claims 2 to 4 and 6 to 28, characterised in that provided between the pivoted part (34') and the ratchet body guide element (24) is a catch mechanism (35a-c), which allows the axial movement of the ratchet body guide element in relation to the pivoted part (34') when the connecting part (14) is inserted by hand into the connecting part case (16), which however prevents an impulsive axial movement of the ratchet body guide element (24) in relation to the pivoted part (34'), for instance through acceleration of the connecting part case (16).
  30. Locking device according to one of Claims 5 to 29, characterised in that the guide between the ratchet body guide element (24) and the pivoted part (34') is constructed with twist-imparting means (35c) so that an axial movement of the ratchet body guide element (24) in relation to the pivoted part (34') is inevitably superimposed by a relative movement of both parts.
  31. Locking device according to Claim 30, characterised in that the pivoted part (34') in the locked position engages with a portion (35a) of smaller cross-section in a rotation-catching aperture (24a) of the ratchet body guide element (24), thus allowing a free motion of a swing angle which is removed by means of rotational pre-tension, and that the pivoted part (34') in the first evasion position engages with a portion (35b) of larger cross-section in the rotation-catching aperture (24a), roof-like transition surfaces (35c) being provided at the transition from the portion (35a) of smaller cross-section to the portion (35b) of larger cross-section, which force a relative rotation of the pivoted part (34') and the ratchet body guide element (24), when the portion (35b) of larger cross-section engages in the rotation-catching aperture (24a).
EP19900116492 1989-08-29 1990-08-28 Locking means for a lock, especially for a cable lock Expired - Lifetime EP0415355B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3928545 1989-08-29
DE3928545 1989-08-29
DE4017122 1990-05-28
DE19904017122 DE4017122A1 (en) 1989-08-29 1990-05-28 LOCKING DEVICE FOR A LOCK, IN PARTICULAR RING LOCK

Publications (3)

Publication Number Publication Date
EP0415355A2 EP0415355A2 (en) 1991-03-06
EP0415355A3 EP0415355A3 (en) 1991-11-21
EP0415355B1 true EP0415355B1 (en) 1996-04-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900116492 Expired - Lifetime EP0415355B1 (en) 1989-08-29 1990-08-28 Locking means for a lock, especially for a cable lock

Country Status (4)

Country Link
US (1) US5170650A (en)
EP (1) EP0415355B1 (en)
DE (2) DE4017122A1 (en)
ES (1) ES2088397T3 (en)

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Also Published As

Publication number Publication date
EP0415355A3 (en) 1991-11-21
DE4017122A1 (en) 1991-03-14
EP0415355A2 (en) 1991-03-06
DE59010269D1 (en) 1996-05-15
ES2088397T3 (en) 1996-08-16
US5170650A (en) 1992-12-15

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