EP0170620B1 - Control device for models, especially toy construction vehicles - Google Patents

Control device for models, especially toy construction vehicles Download PDF

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Publication number
EP0170620B1
EP0170620B1 EP85810320A EP85810320A EP0170620B1 EP 0170620 B1 EP0170620 B1 EP 0170620B1 EP 85810320 A EP85810320 A EP 85810320A EP 85810320 A EP85810320 A EP 85810320A EP 0170620 B1 EP0170620 B1 EP 0170620B1
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EP
European Patent Office
Prior art keywords
actuating device
actuating
drive unit
casing
piston rod
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
Application number
EP85810320A
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German (de)
French (fr)
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EP0170620A1 (en
Inventor
Peter Bolli
Werner Tanner
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Interlego AG
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Interlego AG
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Publication date
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Priority to AT85810320T priority Critical patent/ATE33450T1/en
Publication of EP0170620A1 publication Critical patent/EP0170620A1/en
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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63HTOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H13/00Toy figures with self-moving parts, with or without movement of the toy as a whole
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63HTOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H31/00Gearing for toys
    • A63H31/10Gearing mechanisms actuated by movable wires enclosed in flexible tubes

Definitions

  • the invention relates to an actuating device for construction models, in particular for construction toys, according to the preamble of patent claim 1.
  • German laid-open specification DE-A-22 25 239 describes and shows a toy vehicle including accessories, in which drive means are designed separately from the toy vehicle and in which component groups assigned to the vehicle body comprise drive transmission devices for converting the drive into movements of the component groups.
  • An output element is connected to a motor device, which is designed as a rigid output shaft, which can be connected to the drive transmission devices by coupling elements.
  • actuating devices are not intended to be integrated into the toy or toy vehicle, and they are in no way suitable for this purpose.
  • actuating devices for movable building model parts which are contained in the building model itself in the case of building models of the most varied types, in particular building models which are composed of individual building blocks and which can therefore be converted in terms of type, structure and function.
  • With such convertible construction models it is understandably particularly desirable to be able to install the actuating devices with the same parts without difficulty, depending on the requirements of the construction model concerned. This is not possible with the known drive means mentioned.
  • actuating devices in construction models of various types for actuating movable construction model parts, for example the arms and shovel of an excavator, the swivel arm of a dump truck, the tipping bridge and other devices of a construction truck, etc., which on the one hand the specific Have features and effects of a hydromechanical actuation and, on the other hand, correspond as closely as possible to the actual model, both in terms of appearance and in terms of function.
  • Construction model systems for games and learning purposes are already known, in which a hydraulic fluid, namely water, is provided as the transmission medium.
  • Other known construction model systems are of a pneumatic type in order to avoid the disadvantageous consequences that occur in the event of a leak, in that air is provided as the transmission medium.
  • a further object of the present f is in- dung therefore to provide an actuating device for building models, in particular building toys, which avoids the cited and other drawbacks of known hydraulic and pneumatic actuating devices for building models and relative scale fidelity and operation of a realistic and verwirklichbares in a simple manner Representation of actual hydraulic drives of large technology.
  • the actuating device according to the invention has the features stated in the characterizing part of patent claim 1.
  • the actuating device according to the invention can be installed in a simple manner and without taking up much space in construction models of all kinds.
  • a rigid and exact power transmission can be achieved.
  • the actuating device according to the invention can be designed purely mechanically to deliver an adjusting force in accordance with a double-acting hydraulic cylinder with an associated piston rod.
  • the retraction and extension of the piston rod from a preferably cylindrical housing can be simulated and controlled in a realistic and true-to-scale manner by simple rotary movements.
  • the flexible transmission shaft shown in FIG. 1 has a shaft core 1, e.g. B. a steel side, and a plastic-coated protective tube 2.
  • An essentially cylindrical connecting element 3 made of plastic is applied to both ends of the protective tube 2. which has a handle part 4 and a plug-in part 5 intended for insertion into a bore.
  • the plug-in part 5 is provided at its front end with two diametrically opposite slots 6 and an edge bead 7 in order to enable a resilient insertion of the plug-in part 5 into the aforementioned bore and to hold the plug-in part 5 in an annular groove in the bore wall, which will be explained below is explained.
  • connection element 8 consists, for example, of an aluminum alloy and is firmly pressed onto the shaft core 1.
  • the present flexible transmission shaft is intended to simulate a hydraulic hose serving to supply a hydraulic medium from a hydraulic pump to a hydraulic motor or to a hydraulic cylinder with a piston and piston rod, by means of transmission of a mechanical torque.
  • the outer diameter of the plastic sheath of the protective tube 2 can be 4 mm, for example.
  • the connecting elements 3 and the connecting elements 8 intended for the transmission of the torque form advantageous quick-action couplings for the flexible shaft which are explained below.
  • FIGS. 3 and 4, 1 and 2 a drive unit for the flexible shaft of the FIGS., Which serves on the one hand to simulate a hydraulic pump and on the other hand, the torque of an outer Dre power source H to be transferred to the flexible shaft.
  • the drive unit shown has a housing 10 made of plastic, which is composed of two housing halves 11 and 12 which are firmly connected to one another.
  • the housing 10 is designed with respect to its outer shape as well as its outer dimensions in accordance with a building block known per se for toy building models. Accordingly, the housing 10 has on the outside of its one housing half 11 two rows of three coupling pins 13 and on the outside of its other housing half 12, which is hollow, two projections 14 in the form of round tube pieces, which are known to serve coupling pins of another to clamp adjacent building blocks together with wall parts.
  • the housing has a stepped central axial bore, which on one side of the housing as a connecting sleeve 15 for receiving the Plug part 5 of the connecting element 3 (Fig. 1) of the flexible shaft is formed.
  • a rotating element 16 made of plastic is supported radially and axially in the axial bore, the two housing halves 11, 12 each being provided with a semicircular ring projection 17, which engage in a corresponding annular groove of the rotating element 16, for the axial mounting of the rotating element 16 .
  • the rotary element 16 is further provided on both sides with longitudinal bores 18 and 19, which have a cross axis profile of the same design as that of the connecting elements 8 of the shaft core 1 (Fig. 1, 2) of the flexible shaft.
  • the protective tube 2 of the flexible shaft is connected to it via its plug-in part 5 and via the connecting sleeve 15 of the housing 10 and the shaft core 1 of the flexible shaft is connected to this via its connecting element 8 and the longitudinal bore 18 of the rotating element 16.
  • the part of the rotary element 16 which has the longitudinal bore 18 has a length such that an annular groove 20 is formed between its end face and the connecting sleeve 15. This serves to receive the edge bead 7 on the plug part 5 of the connecting element 3 of the flexible shaft shown in FIG. 1. As a result, the connecting element 3 and thus the entire flexible shaft are held in the connecting sleeve 15.
  • the other longitudinal bore 19 of the rotary element 16 is intended to receive a shaft piece with a cross-axis profile of a torque source, for example a handwheel or an electric motor or a gear driven by an electric motor, in particular an electric motor or a gear with reversible direction of rotation.
  • a torque source for example a handwheel or an electric motor or a gear driven by an electric motor, in particular an electric motor or a gear with reversible direction of rotation.
  • the drive unit shown in FIGS. 3 and 4 which is provided as a simulation of a hydraulic pump, can, in an identical embodiment, also be used without change as an actuation unit which simulates a hydraulic motor, that is to say outputs a torque.
  • 1 is in this case in the same way with the connecting sleeve 15 and the longitudinal bore 18 of the rotary element 16 in the housing 10 by plugging in, while in the longitudinal bore 19 of the rotary element a shaft piece with cross axis profile to the rotating movement displacing device is inserted.
  • the rotary element 16 is inserted into one housing half 11 or 12, whereupon the other housing half 12 or 11 is placed and firmly connected to the former housing half, for example by Glue, weld or snap into place.
  • the housing 10 of the drive or actuation unit can of course also have any other external shape that is adapted to the particular model system or meets a requirement for a certain spatial representation.
  • This actuation unit has a two-part cylinder housing 21 (FIGS. 5 to 8), a tubular piston rod 22 with an inserted nut 23 (FIGS. 9 to 12) and a threaded spindle 24 (FIGS. 13, 14).
  • the cylinder housing 21 consists of two substantially semi-cylindrical, oppositely shaped housing halves 25 and 26 which are molded from a plastic and which, in the assembled state, are superimposed and firmly attached to one another with the installation of the piston rod and the threaded spindle described below are connected.
  • the two assembled housing halves 25, 26 have a longitudinal bore which has several sections of different diameters.
  • a first section 27 serves to receive the tubular piston rod 22 (FIGS. 9 to 12), which is displaceable in the axial direction and, as can be seen from FIG. 7, has a cross section which is not exactly circular, but two diametrically opposed, straight regions 28 has. Since the piston rod 22 partially has a corresponding cross-sectional shape (FIGS. 9 to 11), it cannot rotate in the bore section 27, but can only move in the axial direction.
  • Another bore section 29 serves for the rotatable mounting of a head part of the threaded spindle 24 (FIG. 13).
  • a third end section 30 of the bore is designed as a connecting sleeve for the flexible shaft of FIG. 1 and corresponds to the connecting sleeve 15 of the drive unit described with reference to FIG. 3.
  • An annular groove 31 in turn serves to receive the edge bead 7 on the plug-in part 5 of the flexible shaft of FIG. 1.
  • the two housing halves 25 and 26 are also provided with molded, side tabs 32 which lie on top of one another and which have a continuous bore 33.
  • the tabs 32 and the bore 33 serve to pivotally support the cylinder housing 21 in a construction model. If, instead of a pivotable mounting of the cylinder housing 21 of this actuation unit, a fixed mounting in a construction model is desired, the cylinder housing 21 can, for example, be clamped between appropriately designed components, in particular toy modules.
  • the tubular piston rod 22 made of plastic has a cylindrical main section 34, on which a head part 35 is formed on one end and a fastening eyelet 36 is formed on the other end.
  • the sectional view according to Fig. 11 shows that the outer surface of the head part 35 is not exactly cylindrical, but has two opposite flat flats 37, such that the piston rod 22 inserted in the bore section 27 of the cylinder housing 21 (FIGS. 5, 7, 8) therein Bore section is guided secured against rotation.
  • the head part 35 is also provided with a transverse opening 38 of rectangular cross section, into which the nut 23 is inserted according to FIG. 12.
  • the molded fastening eyelet 36 is provided with a bore 39 and serves to connect the piston rod 22 to an element of the construction model to be adjusted.
  • the threaded spindle 24 shown in FIG. 13 has a threaded part 40 and a head part 41.
  • the threaded part 40 fits the nut 23 of the piston rod 22, and the head part 41 is rotatable in the cylinder housing 21 in the bore section 29 (FIG. 8) in the radial and axial direction stored.
  • the head part 41 is also provided with a longitudinal bore 42 which, according to FIG. 14, has a cross axis profile which corresponds to that of the connection elements 8 (FIGS. 1, 2) of the shaft core 1 of the flexible shaft.
  • a pluggable connecting piece can be provided, as shown in FIGS. 15 and 16.
  • This connecting piece is constructed in a similar manner to the drive unit of FIGS. 3 and 4.
  • the connecting piece has a housing 44 made of plastic, which is composed of two housing halves 45 and 46 which are firmly connected to one another and, in the present exemplary embodiment, again with regard to its outer shape and dimensions is designed as a building block for toy building models. Accordingly, the housing 44 has a row of three coupling pins 47 on the outside of the one housing half 45 and two corresponding pins 48 on the outside of the other housing half 46 for clamping the coupling pin of a further component.
  • the housing 44 has a stepped axial bore, which is formed on both sides of the housing as a connecting sleeve 49 with the aforementioned retaining groove 31 for receiving the plug-in part 5 of the connecting element 3 (FIG. 1) of the flexible shaft.
  • a rotary element 50 is axially and radially supported, which is provided with a longitudinal bore 51, which in turn has the cross-axis profile already mentioned.
  • a construction toy containing a plurality of actuating devices according to the invention is described below, namely a model of an excavator assembled from known types of pluggable building blocks, the boom and bucket of which can be individually pivoted by means of hand cranks.
  • the model shown has a chassis 53 with caterpillars 54, a machine frame 55 which is rotatably arranged on the chassis 53 and a boom 56 with a shovel 57 mounted on the machine frame 55.
  • the boom 56 is composed of three arms 58, 59 and 60.
  • the first arm 58 is mounted on the machine frame 55 so as to be pivotable about an axis 61, the pivot axis 61 and all further pivot axes mentioned below being indicated by a cross.
  • the second arm 59 is fixedly connected to the first arm 58, i. H. it forms a fixed angle with the first arm 58.
  • the third arm 60 is pivotally mounted on the second arm 59 about an axis 62.
  • the blade 57 is provided with a carrier 63 which is pivotally mounted on the third arm 60 about an axis 64.
  • an actuating device 65 is provided on each of the two pivotally connected components , 66 and 67 attached, which is designed to simulate a hydraulic cylinder with associated piston rod according to the previously explained FIGS. 5 to 14, to which reference is hereby made.
  • the housing 21 of the first actuating device 65 is mounted on its arm 32 on the arm 59 so as to be pivotable about an axis 68, while the eyelet 36 of the piston rod 22 of the actuating device 65 is mounted on the machine frame 55 so as to be pivotable about an axis 69.
  • the housing 21 of the second actuating device 66 is pivotally mounted on its arm 32 on the arm 59 about an axis 70, while the eyelet 36 of the piston rod 22 of the actuating device 66 is pivotally mounted on the arm 60 about an axis 71.
  • the housing 21 of the third actuating device 67 is pivotally mounted in the same way via its tab 32 on the arm 60 about an axis 72, while the eyelet 36 of the piston rod 22 of the actuating device 67 is pivotably mounted on the carrier 63 of the blade 57 about an axis 73.
  • a flexible shaft 74, 75, 76 is connected to the housing 21 of the actuating devices 65, 66, 67 via the plug-in connecting element 3 shown in FIG. 1.
  • the flexible shafts 74, 75, 76 which simulate hydraulic hoses, are guided into the interior of the machine frame 55. Inside the machine frame 55, each flexible shaft 74, 75, 76 is also connected via a plug-in connecting element 3 to a respective drive unit 10 according to FIGS. 3 and 4. 17 shows such a drive unit 10 for the flexible shaft 75 in a broken-out part of a side wall of the machine frame 55.
  • the measures provided for the other flexible shafts 74 and 76 drive units are g in Fi. 17 not visible since all drive units are arranged horizontally next to each other.
  • Each of the three drive units 10 is assigned a hand crank 77, which is connected to the drive unit via a shaft piece 78, as has already been explained with reference to FIGS. 3 and 4.

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Abstract

1. Actuating device for construction models, especially for toy construction vehicles, comprising a drive unit which can be connected with an external rotary force source (77) and comprising an actuating unit which can be connected with this drive unit via a flexible transmission shaft (1, 2) for delivering a rotary force (torque) or an adjusting force (linear force), the drive unit and the actuating unit each possessing a casing (10 ; 21 ; 44) and a rotary element (16 ; 41, 50) journalled therein, such that the rotary element (16) in the drive unit can be connected at the drive side with the external rotary force source (77) and at the take-off side with the one end of the flexible transmission shaft (1, 2), and that the rotary element (41, 50) in the actuating unit can be connected at the drive side with the other end of the transmission shaft (1, 2) and at the take-off side with a component (24) of the construction model to be actuated, and wherein the flexible transmission shaft (1, 2) comprises a shaft core (1) and a protective sheath (2) surrounding this, characterized in that the connection of the flexible transmission shaft (1, 2) with the rotary elements (16 ; 41, 50) of the drive unit and of the actuating unit respectively is releasable and is provided by plug couplings, the shaft core (1) and the protective sheath (2) being provided at their two ends each with a plug element (8 ; 3 respectively), the rotary elements (16 ; 41, 50 respectively) of the drive unit and of the actuating unit each possessing a connecting bore (18 ; 42, 51 respectively) constructed in complementary form to the relevant plug element (8) of the shaft core (1) and suitable for torque transmission, and the casings (10 ; 21, 44 respectively) of the drive unit and of the actuating unit each possessing a connecting socket (15 ; 30, 49) of complementary form to the relevant plug element (3) of the protective sheath (2).

Description

Die Erfindung bezieht sich auf eine Betätigungseinrichtung für Baumodelle, insbesondere für Bauspielzeuge, gemäss dem Oberbegriff des Patentanspruchs 1.The invention relates to an actuating device for construction models, in particular for construction toys, according to the preamble of patent claim 1.

In der niederländischen Patentanmeldung NL-A-82 04 431 ist eine Antriebs-, Steuer- und Bedienungseinrichtung für die Fernbedienung von Spielzeugen beschrieben und dargestellt, mittels welcher in veränderlicher Weise der Antrieb, die Steuerung und die Bedienung unter Zuhilfenahme eines Handgeräts über eine biegsame Welle erfolgt, wobei alle drei Funktionen mittels der biegsamen Welle übertragen werden. In der deutschen Offenlegungsschrift DE-A-22 25 239 ist ein Spielzeug-Fahrzeug samt Zubehör beschrieben und dargestellt, bei welchem Antriebsmittel getrennt vom Spielzeug-Fahrzeug ausgebildet sind und bei welchem dem Fahrzeugkörper zugeordnete Bauteilgruppen Antriebsübertragungseinrichtungen zur Umformung des Antriebs in Bewegungen der Bauteilgruppen umfassen. Mit einer Motoreinrichtung ist ein Abtriebselement verbunden, das als starre Abtriebswelle ausgebildet ist, welche durch Kupplungselemente mit den Antriebsübertragungseinrichtungen verbindbar ist.In the Dutch patent application NL-A-82 04 431 a drive, control and operating device for the remote control of toys is described and shown, by means of which the drive, the control and the operation in a variable manner with the aid of a hand-held device via a flexible shaft takes place, with all three functions being transmitted by means of the flexible shaft. German laid-open specification DE-A-22 25 239 describes and shows a toy vehicle including accessories, in which drive means are designed separately from the toy vehicle and in which component groups assigned to the vehicle body comprise drive transmission devices for converting the drive into movements of the component groups. An output element is connected to a motor device, which is designed as a rigid output shaft, which can be connected to the drive transmission devices by coupling elements.

Vor allem ist aus der französischen Patentanmeldung FR-A-2 299 058 eine Antriebs- und Steuereinrichtung für Spielzeuge gemäss der eingangs erwähnten Betätigungseinrichtung bekannt, wobei ein Handgerät mit Motor und Steuerorganen über eine biegsame Welle mit dem Spielzeug verbindbar ist.From French patent application FR-A-2 299 058 a drive and control device for toys according to the above-mentioned actuation device is known, wherein a hand-held device with motor and control elements can be connected to the toy via a flexible shaft.

Wie bereits aus der obenstehenden Kurzbeschreibung der bekannten Betätigungseinrichtungen hervorgeht, sind diese nicht dazu bestimmt, in das Spielzeug bzw. Spielzeug-Fahrzeug integriert zu werden, und sie eignen sich denn auch keineswegs dazu. Es ist jedoch des öftern erwünscht, bei Baumodellen verschiedenster Art, insbesondere bei aus einzelnen Bausteinen zusammengesetzten und demnach bezüglich Typ, Aufbau und Funktion umbaubaren Baumodellen, Betätigungsvorrichtungen für bewegliche Baumodellteile vorzusehen, die im Baumodell selbst enthalten sind. Bei solchen umbaubaren Baumodellen ist es begreiflicherweise besonders erwünscht, den Einbau der Betätigungsvorrichtungen ohne Schwierigkeiten mit gleichen Teilen je nach Erfordernis des betreffenden Baumodells vornehmen zu können. Dies ist mit den angeführten bekannten Antriebsmitteln nicht möglich.As can already be seen from the above brief description of the known actuating devices, these are not intended to be integrated into the toy or toy vehicle, and they are in no way suitable for this purpose. However, it is often desirable to provide actuating devices for movable building model parts which are contained in the building model itself in the case of building models of the most varied types, in particular building models which are composed of individual building blocks and which can therefore be converted in terms of type, structure and function. With such convertible construction models, it is understandably particularly desirable to be able to install the actuating devices with the same parts without difficulty, depending on the requirements of the construction model concerned. This is not possible with the known drive means mentioned.

Es ist deshalb eine Aufgabe der Erfindung, eine Betätigungseinrichtung der eingangs genannten Art zu 'schaffen, welche in Baumodelle verschiedenster Ausbildung durch einfache Anpassung ohne ausserhalb des Baumodells befindliche Antriebsquellen und Uebertragungsmittel integrierbar ist.It is therefore an object of the invention to provide an actuating device of the type mentioned at the outset, which can be integrated into construction models of various designs by simple adaptation without drive sources and transmission means located outside the construction model.

Dazu ist es des öftern auch erwünscht, bei Baumodellen verschiedenster Art zur Betätigung von beweglichen Baumodellteilen, zum Beispiel der Arme und der Schaufel eines Baggers, der Schwenkarm eines Muldenkippers, der Kippbrücke und anderer Geräte eines Baulastwagens usw., Betätigungsvorrichtungen vorzusehen, welche einerseits die spezifischen Merkmale und Wirkungen einer hydromechanischen Betätigung aufweisen und andererseits dem tatsächlichen Vorbild sowohl bezüglich Aussehens als auch bezüglich Funktion möglichst naturgetreu entsprechen.For this purpose, it is also often desirable to provide actuating devices in construction models of various types for actuating movable construction model parts, for example the arms and shovel of an excavator, the swivel arm of a dump truck, the tipping bridge and other devices of a construction truck, etc., which on the one hand the specific Have features and effects of a hydromechanical actuation and, on the other hand, correspond as closely as possible to the actual model, both in terms of appearance and in terms of function.

Es sind bereits Baumodell-Systeme für Spiel-und Lernzwecke bekannt, bei welchen ein Hydraulikfluid, nämlich Wasser, als Uebertragungsmedium vorgesehen ist. Andere bekannte Baumodell-Systeme sind zur Vermeidung der bei einer Leckage auftretenden nachteiligen Folgen von pneumatischer Art, indem als Uebertragungsmedium Luft vorgesehen wird.Construction model systems for games and learning purposes are already known, in which a hydraulic fluid, namely water, is provided as the transmission medium. Other known construction model systems are of a pneumatic type in order to avoid the disadvantageous consequences that occur in the event of a leak, in that air is provided as the transmission medium.

Beide Systeme, sowohl das hydraulische mit Wasser, als auch das pneumatische mit Luft, weisen jedoch bei ihrer Verwendung in Baumodellen und insbesondere in Bauspielzeugen grundsätzliche Nachteile auf. Ein Hauptgrund liegt in den physikalischen Gesetzmässigkeiten, aufgrund von welchen sich bei linearer Massstabverkleinerung der Baumodelle die ausübbaren Kräfte überproportional verringern, so dass unbrauchbar hohe Mediumdrücke erforderlich wären. Bei pneumatischen Systemen ist festzuhalten, dass Luft im Gegensatz zu Wasser oder Oel kompressibel ist, so dass es schwierig ist, eine bestimmte Betätigungsbewegung schnell und exakt auszuführen sowie eine betätigte Vorrichtung in jeder Lage gegen eine Rückstellkraft, z. B. das Eigengewicht oder das Gewicht einer Last, festzuhalten. Zudem stellt sich das Problem der Abdichtungen an den Verbindungsstellen, die absolut leckfrei sein müssen, sowie das Problem der Knickbarkeit der Schläuche. Ferner ist ein Parallelbetrieb von Betätigungsorganen, wie es beispielsweise bei einem Modell eines Absetzkippers für dessen Arme erforderlich ist, bei hydraulischer oder pneumatischer Betätigung nur mit einem beträchtlichen Aufwand bezüglich Steuerung zu verwirklichen.Both systems, both hydraulic with water and pneumatic with air, however, have fundamental disadvantages when used in construction models and in particular in construction toys. A main reason lies in the physical laws, on the basis of which the forces that can be exerted decrease disproportionately with a linear scale reduction of the construction models, so that unusually high medium pressures would be required. In pneumatic systems, it should be noted that air is compressible in contrast to water or oil, so that it is difficult to carry out a certain actuation movement quickly and precisely, and an actuated device in any position against a restoring force, e.g. B. to record the weight or the weight of a load. In addition, there is the problem of seals at the connection points, which must be absolutely leak-free, and the problem of the hoses being kinkable. In addition, parallel operation of actuators, as is required, for example, in a model of a skip loader arm, can only be achieved with hydraulic or pneumatic actuation with considerable effort in terms of control.

Eine weitere Aufgabe der vorliegenden Erfin- dung ist demnach, eine Betätigungseinrichtung für Baumodelle, insbesondere Bauspielzeuge, zu schaffen, welche die angeführten und weitere Nachteile bekannter hydraulischer und pneumatischer Betätigungseinrichtungen für Baumodelle vermeidet und bezüglich Massstabtreue und Funktionsweise ein realistisches und in einfacher Weise verwirklichbares Abbild tatsächlicher hydraulischer Antriebe der Grosstechnik darstellt., A further object of the present f is in- dung therefore to provide an actuating device for building models, in particular building toys, which avoids the cited and other drawbacks of known hydraulic and pneumatic actuating devices for building models and relative scale fidelity and operation of a realistic and verwirklichbares in a simple manner Representation of actual hydraulic drives of large technology.

Die erfindungsgemässe Betätigungseinrichtung weist die im kennzeichnenden Teil des Patentanspruchs 1 angeführten Merkmale auf.The actuating device according to the invention has the features stated in the characterizing part of patent claim 1.

Dadurch, dass zur Betätigung eines oder mehrerer Baumodellteile primär eine Drehkraft vorgesehen wird, zu deren Uebertragung an die Betätigungsstelle eine biegsame Welle angepasster Länge mit beidseitigen Steckkupplungen für die Wellenseele und den Schutzmantel dient, lässt sich die erfindungsgemässe Betätigungseinrichtung in einfacher Weise und ohne grossen Platzbedarf in Baumodelle aller Art einbauen. Zudem lässt sich aufgrund einer Simulierung einer hydraulischen Kraft durch eine Drehkraft eine starre und exakte Kraftübertragung erzielen. Die erfindungsgemässe Betätigungseinrichtung kann hierbei rein mechanisch zur Abgabe einer Verstellkraft entsprechend einem doppelwirkenden Hydraulikzylinder mit zugehöriger Kolbenstange ausgebildet sein. Dadurch kann das Ein- und Ausfahren der Kolbenstange aus einem vorzugsweise zylindrischen Gehäuse in wirklichkeitsnaher und massstabgetreuer Weise durch einfache Drehbewegungen simuliert und gesteuert werden.Characterized in that primarily a torque is provided for actuating one or more construction model parts, for the transmission thereof to the actuating point a flexible shaft of adapted length with plug-in couplings on both sides for the Serves wave core and the protective jacket, the actuating device according to the invention can be installed in a simple manner and without taking up much space in construction models of all kinds. In addition, due to a simulation of a hydraulic force by a torque, a rigid and exact power transmission can be achieved. The actuating device according to the invention can be designed purely mechanically to deliver an adjusting force in accordance with a double-acting hydraulic cylinder with an associated piston rod. As a result, the retraction and extension of the piston rod from a preferably cylindrical housing can be simulated and controlled in a realistic and true-to-scale manner by simple rotary movements.

Ausführungsbeispiele des Erfindungsgegenstandes werden nachstehend anhand der Zeichnungen erläutert. Es zeigen :

  • Fig. 1 eine Ansicht, teilweise im Schnitt, einer mit beidseitigen Steckkupplungen versehenen biegsamen Uebertragungswelle, welche einen Hydraulikschlauch simuliert,
  • Fig. 2 eine stirnseitige Draufsicht auf ein Anschlusselement der Uebertragungswelle gemäss dem Pfeil II in Fig. 1,
  • Fig. 3 einen Längsschnitt durch eine Antriebs-oder Betätigungseinheit, welche eine Hydraulikpumpe bzw. einen Hydraulikmotor simuliert,
  • Fig. 4 einen Schnitt durch die Antriebs- oder Betätigungseinheit längs der Linie IV-IV in Fig. 3,
  • Fig. 5 eine Ansicht eines Zylindergehäuses einer Betätigungseinheit, welche einen hydraulischen Zylinder simuliert,
  • Fig. 6 eine stirnseitige Draufsicht auf das Zylindergehäuse gemäss dem Pfeil VI in Fig. 5,
  • Fig. 7 einen Schnitt durch das Zylindergehäuse längs der Linie VII-VII in Fig. 5,
  • Fig. 8 eine Innenansicht der einen Gehäusehälfte des Zylindergehäuses der Fig. 5,
  • Fig. 9 eine Ansicht einer Kolbenstange für das Zylindergehäuse gemäss Fig. 5 bis 8 der Betätigungseinheit,
  • Fig. 10 einen Längsschnitt durch die Kolbenstange längs der Linie X-X in Fig. 9,
  • Fig. 11 einen Schnitt durch die Kolbenstange längs der Linie XI-XI in Fig. 10,
  • Fig. 12 eine Ansicht einer Mutter für die Kolbenstange der Fig. 9 bis 11,
  • Fig. 13 eine Ansicht, teilweise im Schnitt, einer Gewindespindel für die mit der Mutter gemäss
  • Fig. 12 versehene Kolbenstange der Fig. 9 bis 11,
  • Fig. 14 eine stirnseitige Draufsicht auf ein Anschlussteil der Gewindespindel gemäss dem Pfeil XIV in Fig. 13,
  • Fig. 15 einen Längsschnitt durch eine Verbindungsmuffe für zwei Uebertragungswellen gemäss den Fig. 1 und 2,
  • Fig. 16 einen Schnitt durch die Verbindungsmuffe längs der Linie XVI-XVI in Fig. 15,
  • Fig. 17 eine Seitenansicht eines Spielzeug-Modellbaggers mit mehreren erfindungsgemässen Betätigungseinrichtungen.
Exemplary embodiments of the subject matter of the invention are explained below with reference to the drawings. Show it :
  • 1 is a view, partly in section, of a flexible transmission shaft provided with plug-in couplings on both sides, which simulates a hydraulic hose,
  • FIG. 2 shows an end view of a connection element of the transmission shaft according to arrow II in FIG. 1,
  • 3 shows a longitudinal section through a drive or actuation unit which simulates a hydraulic pump or a hydraulic motor,
  • 4 shows a section through the drive or actuation unit along the line IV-IV in FIG. 3,
  • 5 shows a view of a cylinder housing of an actuation unit which simulates a hydraulic cylinder,
  • 6 is an end view of the cylinder housing according to arrow VI in FIG. 5,
  • 7 shows a section through the cylinder housing along the line VII-VII in FIG. 5,
  • 8 is an interior view of one housing half of the cylinder housing of FIG. 5,
  • 9 is a view of a piston rod for the cylinder housing according to FIGS. 5 to 8 of the actuating unit,
  • 10 shows a longitudinal section through the piston rod along the line XX in FIG. 9,
  • 11 shows a section through the piston rod along the line XI-XI in FIG. 10,
  • 12 is a view of a nut for the piston rod of FIGS. 9 to 11,
  • Fig. 13 is a view, partly in section, of a threaded spindle for with the nut according to
  • 12 provided piston rod of FIGS. 9 to 11,
  • 14 is a top plan view of a connecting part of the threaded spindle according to arrow XIV in FIG. 13,
  • 15 shows a longitudinal section through a connecting sleeve for two transmission shafts according to FIGS. 1 and 2,
  • 16 shows a section through the connecting sleeve along the line XVI-XVI in FIG. 15,
  • 17 is a side view of a toy model excavator with several actuating devices according to the invention.

Die in Fig. 1 dargestellte biegsame Uebertragungswelle weist in an sich bekannter und handelsüblicher Weise eine auf Torsion beanspruchbare Wellenseele 1, z. B. eine Stahlseite, und einen kunststoffummantelten Schutzschlauch 2 auf. Auf beide Enden des Schutzschlauches 2 ist ein aus Kunststoff bestehendes, im wesentlichen zylindrisches Verbindungselement 3 aufgebracht. welches einen Griffteil 4 und einen zum Einführen in eine Bohrung bestimmten Steckteil 5 hat. Der Steckteil 5 ist an seinem stirnseitigen Ende mit zwei einander diametral gegenüberliegenden Schlitzen 6 und einem Randwulst 7 versehen, um ein federndes Einführen des Steckteils 5 in die genannte Bohrung und ein Festhalten des Steckteils 5 in einer ringförmigen Nut der Bohrungswand zu ermöglichen, was nachstehend noch erläutert wird.The flexible transmission shaft shown in FIG. 1 has a shaft core 1, e.g. B. a steel side, and a plastic-coated protective tube 2. An essentially cylindrical connecting element 3 made of plastic is applied to both ends of the protective tube 2. which has a handle part 4 and a plug-in part 5 intended for insertion into a bore. The plug-in part 5 is provided at its front end with two diametrically opposite slots 6 and an edge bead 7 in order to enable a resilient insertion of the plug-in part 5 into the aforementioned bore and to hold the plug-in part 5 in an annular groove in the bore wall, which will be explained below is explained.

Die über die Verbindungselemente 3 hinausragende Wellenseele 1 ist mit je einem Anschlusselement 8 versehen, das gemäss Fig. 2 das Profil einer Kreuzachse hat. Das Anschlusselement 8 besteht beispielsweise aus einer Aluminiumlegierung und ist auf die Wellenseele 1 fest aufgepresst.The shaft core 1 projecting beyond the connecting elements 3 is provided with a connecting element 8, which according to FIG. 2 has the profile of a cross axis. The connection element 8 consists, for example, of an aluminum alloy and is firmly pressed onto the shaft core 1.

Die vorliegende biegsame Uebertragungswelle ist dazu bestimmt, einen der Zuführung eines Hydraulikmediums von einer Hydraulikpumpe zu einem Hydraulikmotor oder zu einem Hydraulikzylinder mit Kolben und Kolbenstange dienenden Hydraulikschlauch in einem Baumodell zu simulieren, und zwar durch Uebertragung eines mechanischen Drehmoments. Zur realistischen Simulierung kann der äussere Durchmesser der Kunststoffummantelung des Schutzschlauches 2 beispielsweise 4 mm betragen. Die Verbindungselemente 3 und die für die Uebertragung des Drehmoments bestimmten Anschlusselemente 8 bilden hierbei nachstehend noch erläuterte, vorteilhafte Schnellkupplungen für die biegsame Welle.The present flexible transmission shaft is intended to simulate a hydraulic hose serving to supply a hydraulic medium from a hydraulic pump to a hydraulic motor or to a hydraulic cylinder with a piston and piston rod, by means of transmission of a mechanical torque. For realistic simulation, the outer diameter of the plastic sheath of the protective tube 2 can be 4 mm, for example. The connecting elements 3 and the connecting elements 8 intended for the transmission of the torque form advantageous quick-action couplings for the flexible shaft which are explained below.

In den Fig. 3 und 4 ist eine Antriebseinheit für die biegsame Welle der Fig. 1 und 2 dargestellt, welche dazu dient, einerseits eine Hydraulikpumpe zu simulieren und andererseits das Drehmoment einer äusseren Drehkraftquelle auf die biegsame Welle zu übertragen.In FIGS. 3 and 4, 1 and 2, a drive unit for the flexible shaft of the FIGS., Which serves on the one hand to simulate a hydraulic pump and on the other hand, the torque of an outer Dre power source H to be transferred to the flexible shaft.

Die dargestellte Antriebseinheit hat ein aus Kunststoff bestehendes Gehäuse 10, das aus zwei miteinander fest verbundenen Gehäusehälften 11 und 12 zusammengesetzt ist. Beim vorliegenden Ausführungsbeispiel ist das Gehäuse 10 bezüglich seiner äusseren Form als auch seiner äusseren Abmessungen entsprechend einem an sich bekannten Baustein für Spielzeug-Baumodelle ausgebildet. Demnach weist das Gehäuse 10 an der Aussenseite seiner einen Gehäusehälfte 11 zwei Reihen von je drei Kupplungszapfen 13 und an der Aussenseite seiner anderen Gehäusehälfte 12, welche hohl ist, zwei Vorsprünge 14 in der Form runder Rohrstücke auf, welche bekanntlich dazu dienen, Kupplungszapfen eines anderen, benachbarten Bausteins zusammen mit Wandteilen festzuklemmen.The drive unit shown has a housing 10 made of plastic, which is composed of two housing halves 11 and 12 which are firmly connected to one another. In the present exemplary embodiment, the housing 10 is designed with respect to its outer shape as well as its outer dimensions in accordance with a building block known per se for toy building models. Accordingly, the housing 10 has on the outside of its one housing half 11 two rows of three coupling pins 13 and on the outside of its other housing half 12, which is hollow, two projections 14 in the form of round tube pieces, which are known to serve coupling pins of another to clamp adjacent building blocks together with wall parts.

Das Gehäuse weist eine abgestufte zentrale Axialbohrung auf, welche auf der einen Gehäuseseite als Verbindungsmuffe 15 zur Aufnahme des Steckteils 5 des Verbindungselements 3 (Fig. 1) der biegsamen Welle ausgebildet ist. Auf der anderen Gehäuseseite ist in der Axialbohrung ein aus Kunststoff bestehendes Drehelement 16 radial und axial gelagert, wobei zur axialen Lagerung des Drehelements 16 die beiden Gehäusehälften 11, 12 mit je einem halbkreisförmigen Ringvorsprung 17 versehen sind, die in eine entsprechende Ringnut des Drehelements 16 greifen. Das Drehelement 16 ist ferner beidseitig mit Längsbohrungen 18 bzw. 19 versehen, welche ein Kreuzachsenprofil gleicher Ausbildung wie dasjenige der Anschlusselemente 8 der Wellenseele 1 (Fig. 1, 2) der biegsamen Welle haben. Somit kann die biegsame Welle der Fig. 1 durch einfaches Einstecken mit der in den Fig. 3, 4 dargestellten Antriebseinheit gekuppelt werden, wodurch der Schutzschlauch 2 der biegsamen Welle über ihr Steckteil 5 und über die Verbindungsmuffe 15 des Gehäuses 10 mit diesem verbunden wird und die Wellenseele 1 der biegsamen Welle über ihr Anschlusselement 8 und die Längsbohrung 18 des Drehelements 16 an dieses angeschlossen wird. Der die Längsbohrung 18 aufweisende Teil des Drehelements 16 weist hierbei eine solche Länge auf, dass zwischen dessen Stirnseite und der Verbindungsmuffe 15 eine ringförmige Nut 20 gebildet wird. Diese dient dazu, den Randwulst 7 am Steckteil 5 des Verbindungselements 3 der in Fig. 1 dargestellten biegsamen Welle aufzunehmen. Dadurch werden das Verbindungselement 3 und damit die ganze biegsame Welle in der Verbindungsmuffe 15 festgehalten. Die andere Längsbohrung 19 des Drehelements 16 ist dazu vorgesehen, ein Wellenstück mit Kreuzachsenprofil einer Drehkraftquelle, beispielsweise eines Handrads oder eines Elektromotors bzw. eines von einem Elektromotor angetriebenen Getriebes, insbesondere eines Elektromotors oder eines Getriebes mit umsteuerbarer Drehrichtung, aufzunehmen.The housing has a stepped central axial bore, which on one side of the housing as a connecting sleeve 15 for receiving the Plug part 5 of the connecting element 3 (Fig. 1) of the flexible shaft is formed. On the other side of the housing, a rotating element 16 made of plastic is supported radially and axially in the axial bore, the two housing halves 11, 12 each being provided with a semicircular ring projection 17, which engage in a corresponding annular groove of the rotating element 16, for the axial mounting of the rotating element 16 . The rotary element 16 is further provided on both sides with longitudinal bores 18 and 19, which have a cross axis profile of the same design as that of the connecting elements 8 of the shaft core 1 (Fig. 1, 2) of the flexible shaft. Thus, the flexible shaft of FIG. 1 can be coupled by simply plugging it in with the drive unit shown in FIGS. 3, 4, whereby the protective tube 2 of the flexible shaft is connected to it via its plug-in part 5 and via the connecting sleeve 15 of the housing 10 and the shaft core 1 of the flexible shaft is connected to this via its connecting element 8 and the longitudinal bore 18 of the rotating element 16. The part of the rotary element 16 which has the longitudinal bore 18 has a length such that an annular groove 20 is formed between its end face and the connecting sleeve 15. This serves to receive the edge bead 7 on the plug part 5 of the connecting element 3 of the flexible shaft shown in FIG. 1. As a result, the connecting element 3 and thus the entire flexible shaft are held in the connecting sleeve 15. The other longitudinal bore 19 of the rotary element 16 is intended to receive a shaft piece with a cross-axis profile of a torque source, for example a handwheel or an electric motor or a gear driven by an electric motor, in particular an electric motor or a gear with reversible direction of rotation.

Die in den Fig. 3 und 4 dargestellte, als Simulierung einer Hydraulikpumpe vorgesehene Antriebseinheit kann in identischer Ausführungsform ohne Aenderung auch als Betätigungseinheit verwendet werden, welche einen Hydraulikmotor simuliert, also eine Drehkraft abgibt. Die angetriebene biegsame Welle gemäss Fig. 1 wird in diesem Fall in gleicher Weise mit der Verbindungsmuffe 15 und der Längsbohrung 18 des Drehelements 16 im Gehäuse 10 durch Einstecken in Verbindung gebracht, während in die Längsbohrung 19 des Drehelements ein Wellenstück mit Kreuzachsenprofil der in Drehbewegung zu versetzenden Vorrichtung gesteckt wird.The drive unit shown in FIGS. 3 and 4, which is provided as a simulation of a hydraulic pump, can, in an identical embodiment, also be used without change as an actuation unit which simulates a hydraulic motor, that is to say outputs a torque. 1 is in this case in the same way with the connecting sleeve 15 and the longitudinal bore 18 of the rotary element 16 in the housing 10 by plugging in, while in the longitudinal bore 19 of the rotary element a shaft piece with cross axis profile to the rotating movement displacing device is inserted.

Zur Herstellung der in den Fig. 3 und 4 dargestellten Antriebs- bzw. Betätigungseinheit wird das Drehelement 16 in die eine Gehäusehälfte 11 oder 12 eingelegt, worauf die andere Gehäusehälfte 12 bzw. 11 aufgelegt und mit der erstgenannten Gehäusehälfte fest verbunden wird, zum Beispiel durch Verkleben, Verschweissen oder Einrasten.3 and 4, the rotary element 16 is inserted into one housing half 11 or 12, whereupon the other housing half 12 or 11 is placed and firmly connected to the former housing half, for example by Glue, weld or snap into place.

Das Gehäuse 10 der Antriebs- bzw. Betätig u ngseinheit kann selbstverständlich auch irgend eine andere äussere Form haben, die dem jeweiligen Baumodell-System angepasst ist oder einer Forderung nach einer bestimmten räumlichen Darstellung nachkommt.The housing 10 of the drive or actuation unit can of course also have any other external shape that is adapted to the particular model system or meets a requirement for a certain spatial representation.

Um einen doppelwirkenden Hydraulikzylinder zur hydraulischen Erzeugung einer linearen Verstellung nachbilden zu können, wird nachstehend eine entsprechende, an die biegsame Welle der Fig. 1 anschliessbare Betätigungseinheit anhand der Fig. 5 bis 14 beschrieben. Diese Betätigungseinheit weist ein zweiteiliges Zylindergehäuse 21 (Fig. 5 bis 8), eine rohrförmige Kolbenstange 22 mit eingelegter Mutter 23 (Fig. 9 bis 12) und eine Gewindespindel 24 (Fig. 13, 14) auf.In order to be able to emulate a double-acting hydraulic cylinder for the hydraulic generation of a linear adjustment, a corresponding actuating unit that can be connected to the flexible shaft of FIG. 1 is described below with reference to FIGS. 5 to 14. This actuation unit has a two-part cylinder housing 21 (FIGS. 5 to 8), a tubular piston rod 22 with an inserted nut 23 (FIGS. 9 to 12) and a threaded spindle 24 (FIGS. 13, 14).

Wie aus den Fig. 5 bis 8 ersichtlich ist, besteht das Zylindergehäuse 21 aus zwei im wesentlichen halbzylindrischen, gegengleichen, aus einem Kunststoff geformten Gehäusehälften 25 und 26, die im zusammengebauten Zustand unter Einbau der nachfolgend noch beschriebenen Kolbenstange und der Gewindespindel aufeinandergelegt und fest miteinander verbunden sind. Die beiden zusammengesetzten Gehäusehälften 25, 26 weisen eine Längsbohrung auf, welche mehrere Abschnitte unterschiedlichen Durchmessers hat. Ein erster Abschnitt 27 dient der Aufnahme der in axialer Richtung verschiebbaren rohrförmigen Kolbenstange 22 (Fig. 9 bis 12) und weist, wie aus Fig. 7 ersichtlich, einen Querschnitt auf, der nicht exakt kreisförmig ist, sondern zwei einander diametral gegenüberliegende, gerade Bereiche 28 hat. Da die Kolbenstange 22 teilweise eine entsprechende Querschnittsform hat (Fig. 9 bis 11), kann sie sich im Bohrungsabschnitt 27 nicht drehen, sondern nur in axialer Richtung verschieben.As can be seen from FIGS. 5 to 8, the cylinder housing 21 consists of two substantially semi-cylindrical, oppositely shaped housing halves 25 and 26 which are molded from a plastic and which, in the assembled state, are superimposed and firmly attached to one another with the installation of the piston rod and the threaded spindle described below are connected. The two assembled housing halves 25, 26 have a longitudinal bore which has several sections of different diameters. A first section 27 serves to receive the tubular piston rod 22 (FIGS. 9 to 12), which is displaceable in the axial direction and, as can be seen from FIG. 7, has a cross section which is not exactly circular, but two diametrically opposed, straight regions 28 has. Since the piston rod 22 partially has a corresponding cross-sectional shape (FIGS. 9 to 11), it cannot rotate in the bore section 27, but can only move in the axial direction.

Ein weiterer Bohrungsabschnitt 29 dient der drehbaren Lagerung eines Kopfteils der Gewindespindel 24 (Fig. 13). Ein dritter Endabschnitt 30 der Bohrung ist als Verbindungsmuffe für die biegsame Welle der Fig. 1 ausgebildet und entspricht der anhand der Fig. 3 beschriebenen Verbindungsmuffe 15 der Antriebseinheit. Eine ringförmige Nut 31 dient wiederum der Aufnahme des Randwulstes 7 am Steckteil 5 der biegsamen Welle der Fig. 1.Another bore section 29 serves for the rotatable mounting of a head part of the threaded spindle 24 (FIG. 13). A third end section 30 of the bore is designed as a connecting sleeve for the flexible shaft of FIG. 1 and corresponds to the connecting sleeve 15 of the drive unit described with reference to FIG. 3. An annular groove 31 in turn serves to receive the edge bead 7 on the plug-in part 5 of the flexible shaft of FIG. 1.

Die beiden Gehäusehälften 25 und 26 sind zudem mit angeformten, aufeinanderliegenden, seitlichen Laschen 32 versehen, welche eine durchgehende Bohrung 33 aufweisen. Die Laschen 32 und die Bohrung 33 dienen dazu, das Zylindergehäuse 21 in einem Baumodell schwenkbar zu lagern. Falls statt einer schwenkbaren Lagerung des Zylindergehäuses 21 dieser Betätigungseinheit eine feste Lagerung in einem Baumodell erwünscht ist, kann das Zylindergehäuse 21 beispielsweise zwischen entsprechend ausgebildete Bauteile, insbesondere Spielzeug-Bausteine, eingeklemmt werden.The two housing halves 25 and 26 are also provided with molded, side tabs 32 which lie on top of one another and which have a continuous bore 33. The tabs 32 and the bore 33 serve to pivotally support the cylinder housing 21 in a construction model. If, instead of a pivotable mounting of the cylinder housing 21 of this actuation unit, a fixed mounting in a construction model is desired, the cylinder housing 21 can, for example, be clamped between appropriately designed components, in particular toy modules.

Wie aus den Fig. 9 und 10 ersichtlich ist, weist die aus Kunststoff bestehende, rohrförmige Kolbenstange 22 einen zylindrischen Hauptabschnitt 34 auf, an welchen am einen Ende ein Kopfteil 35 und am andern Ende eine Befestigungsöse 36 angeformt sind. Die Schnittdarstellung gemäss Fig. 11 zeigt, dass die Aussenfläche des Kopfteils 35 nicht exakt zylindrisch ist, sondern zwei einander gegenüberliegende ebene Abflachungen 37 aufweist, derart, dass die in den Bohrungsabschnitt 27 des Zylindergehäuses 21 (Fig. 5, 7, 8) eingelegte Kolbenstange 22 in diesem Bohrungsabschnitt gegen eine Verdrehung gesichert geführt ist. Der Kopfteil 35 ist zudem mit einer Queröffnung 38 rechteckigen Querschnitts versehen, in welche die Mutter 23 gemäss Fig. 12 eingelegt wird. Die angeformte Befestigungsöse 36 ist mit einer Bohrung 39 versehen und dient dazu, die Kolbenstange 22 mit einem zu verstellenden Element des Baumodells zu verbinden.As can be seen from FIGS. 9 and 10, the tubular piston rod 22 made of plastic has a cylindrical main section 34, on which a head part 35 is formed on one end and a fastening eyelet 36 is formed on the other end. The sectional view according to Fig. 11 shows that the outer surface of the head part 35 is not exactly cylindrical, but has two opposite flat flats 37, such that the piston rod 22 inserted in the bore section 27 of the cylinder housing 21 (FIGS. 5, 7, 8) therein Bore section is guided secured against rotation. The head part 35 is also provided with a transverse opening 38 of rectangular cross section, into which the nut 23 is inserted according to FIG. 12. The molded fastening eyelet 36 is provided with a bore 39 and serves to connect the piston rod 22 to an element of the construction model to be adjusted.

Die in Fig. 13 dargestellte Gewindespindel 24 hat einen Gewindeteil 40 und einen Kopfteil 41. Der Gewindeteil 40 passt zur Mutter 23 der Kolbenstange 22, und der Kopfteil 41 ist im Zylindergehäuse 21 im Bohrungsabschnitt 29 (Fig. 8) drehbar in radialer und axialer Richtung gelagert. Der Kopfteil 41 ist zudem mit einer Längsbohrung 42 versehen, weiche gemäss Fig. 14 ein Kreuzachsenprofil hat, das demjenigen der Anschlusselemente 8 (Fig. 1, 2) der Wellenseele 1 der biegsamen Welle entspricht.The threaded spindle 24 shown in FIG. 13 has a threaded part 40 and a head part 41. The threaded part 40 fits the nut 23 of the piston rod 22, and the head part 41 is rotatable in the cylinder housing 21 in the bore section 29 (FIG. 8) in the radial and axial direction stored. The head part 41 is also provided with a longitudinal bore 42 which, according to FIG. 14, has a cross axis profile which corresponds to that of the connection elements 8 (FIGS. 1, 2) of the shaft core 1 of the flexible shaft.

Der Zusammenbau der mit ihren Einzelteilen in den Fig. 5 bis 14 dargestellten Betätigungseinheit erfolgt in der Weise, dass die Mutter 23 in die Kolbenstange 22 eingelegt wird, die Gewindespindel 24 ein Stück weit in die Mutter 23 eingedreht wird, die Kolbenstange 22 mit der Gewindestange 24 in die eine Gehäusehälfte 25, 26 des Zylindergehäuses 21 eingelegt wird, wobei der Kopfteil 41 der Gewindespindel 24 in den Bohrungsabschnitt 29 des Zylindergehäuses 21 eingelegt wird, und das Zylindergehäuse 21 durch Auflegen der anderen Gehäusehälfte 26, 25 verschlossen wird, wobei die beiden Gehäusehälften beispielsweise durch Verkleben, Verschweissen oder Einrasten fest miteinander verbunden werden. Es ist ersichtlich, dass bei einer Drehbewegung der Wellenseele 1 (Fig. 1) der mit dieser Betätigungseinheit gekoppelten biegsamen Welle die Kolbenstange 22 mit der über das Zylindergehäuse 21 herausragenden Befestigungsöse 36 je nach Richtung der Drehbewegung aus dem Zylindergehäuse 21 ausgefahren oder in das Zylindergehäuse 21 eingefahren wird, wobei die jeweilige Ruhelage selbsthemmend fixiert ist. Um ein Herausfallen der Kolbenstange 22 aus dem Gehäuse 21 zu verhindern, wenn die Gewindespindel 24 fortgesetzt gedreht wird, weist ein Endbereich 43 beider Gehäusehälften 25, 26 (Fig. 7, 8) einen kreisförmigen Querschnitt mit dem Durchmesser des zylindrischen Hauptabschnitts 34 (Fig. 9, 10) der Kolbenstange 22 auf. Der Endbereich 43 bildet demnach einen Anschlag für den Kopfteil 35 der Kolbenstange 22. Somit wird durch die beschriebene Betätigungseinheit eine getreue Simulierung eines doppelwirkenden Hydraulikzylinders mit Kolbenstange erhalten.5 to 14 is assembled in such a way that the nut 23 is inserted into the piston rod 22, the threaded spindle 24 is screwed a little into the nut 23, the piston rod 22 with the threaded rod 24 is inserted into one housing half 25, 26 of the cylinder housing 21, the head part 41 of the threaded spindle 24 being inserted into the bore section 29 of the cylinder housing 21, and the cylinder housing 21 is closed by placing the other housing half 26, 25 on, the two housing halves for example by gluing, welding or snapping together. It can be seen that during a rotary movement of the shaft core 1 (FIG. 1) of the flexible shaft coupled to this actuating unit, the piston rod 22 with the fastening eyelet 36 protruding over the cylinder housing 21 extends out of the cylinder housing 21 or into the cylinder housing 21, depending on the direction of the rotary movement is retracted, the respective rest position is fixed self-locking. In order to prevent the piston rod 22 from falling out of the housing 21 when the threaded spindle 24 is rotated continuously, an end region 43 of both housing halves 25, 26 (FIGS. 7, 8) has a circular cross section with the diameter of the cylindrical main section 34 (FIG. 9, 10) of the piston rod 22. The end region 43 accordingly forms a stop for the head part 35 of the piston rod 22. The actuation unit described thus provides a true simulation of a double-acting hydraulic cylinder with a piston rod.

Um zwei Uebertragungswellen, insbesondere biegsame Wellen gemäss Fig. 1 und 2, miteinander zu verbinden, kann ein steckbares Verbindungsstück vorgesehen werden, wie es in den Fig. 15 und 16 dargestellt ist. Dieses Verbindungsstück ist in ähnlicher Weise aufgebaut wie die Antriebseinheit der Fig. 3 und 4. Das Verbindungsstück hat ein aus Kunststoff bestehendes Gehäuse 44, das aus zwei miteinander fest verbundenen Gehäusehälften 45 und 46 zusammengesetzt ist und im vorliegenden Ausführungsbeispiel bezüglich seiner äusseren Form und Abmessungen wiederum als Baustein für Spielzeug-Baumodelle ausgebildet ist. Demnach weist das Gehäuse 44 an der Aussenseite der einen Gehäusehälfte 45 eine Reihe von drei Kupplungszapfen 47 und an der Aussenseite der anderen Gehäusehälfte 46 zwei entsprechende Zapfen 48 zum Festklemmen von Kupplungszapfen eines weiteren Bausteins auf.In order to connect two transmission shafts, in particular flexible shafts according to FIGS. 1 and 2, a pluggable connecting piece can be provided, as shown in FIGS. 15 and 16. This connecting piece is constructed in a similar manner to the drive unit of FIGS. 3 and 4. The connecting piece has a housing 44 made of plastic, which is composed of two housing halves 45 and 46 which are firmly connected to one another and, in the present exemplary embodiment, again with regard to its outer shape and dimensions is designed as a building block for toy building models. Accordingly, the housing 44 has a row of three coupling pins 47 on the outside of the one housing half 45 and two corresponding pins 48 on the outside of the other housing half 46 for clamping the coupling pin of a further component.

Das Gehäuse 44 weist eine abgestufte Axialbohrung auf, welche auf beiden Gehäuseseiten je als Verbindungsmuffen 49 mit der bereits erwähnten Festhaltenut 31 zur Aufnahme des Steckteils 5 des Verbindungselements 3 (Fig. 1) der biegsamen Welle ausgebildet sind. Im mittleren Abschnitt der Axialbohrung ist ein Drehelement 50 axial und radial gelagert, das mit einer Längsbohrung 51 versehen ist, welche wiederum das bereits erwähnte Kreuzachsenprofil hat.The housing 44 has a stepped axial bore, which is formed on both sides of the housing as a connecting sleeve 49 with the aforementioned retaining groove 31 for receiving the plug-in part 5 of the connecting element 3 (FIG. 1) of the flexible shaft. In the central section of the axial bore, a rotary element 50 is axially and radially supported, which is provided with a longitudinal bore 51, which in turn has the cross-axis profile already mentioned.

Wie bereits eingangs erwähnt wurde, kann es erforderlich sein, einen Teil eines Baumodells durch zwei parallel und übereinstimmend arbeitende Betätigungseinrichtungen zu bewegen, beispielsweise die beiden Mulden-Tragarme eines Absetzkipper-Modells. Dies ist mit der vorliegenden Betätigungseinrichtung in einfacher und einwandfreier Weise zu verwirklichen, indem zwei (oder mehr) der beschriebenen Betätigungseinrichtungen mit je einer Antriebseinheit, Uebertragungswelle (biegsame Welle) und Betätigungseinheit (drehend oder verstellend) vorgesehen werden, jedoch nur eine einzige Drehkraftquelle (Handkurbel oder Elektromotor) vorgesehen wird. Antriebsseitig werden die mehreren Antriebseinheiten (Fig. 3, 4) über passende mechanische Verbindungselemente, wie beispielsweise Stirnzahnräder, Kegelräder usw. und zugehörige Wellenstücke mit der Drehkraftquelle gekuppelt, so dass dann alle an die Antriebseinheiten angeschlossenen Uebertragungswellen übereinstimmend drehen und damit die Dreh- oder Verstellwirkungen der Betätigungseinheiten dank der starren Kopplung immer identisch sind.As already mentioned at the beginning, it may be necessary to move part of a construction model through two actuating devices working in parallel and in concert, for example the two trough support arms of a skip loader model. This can be achieved with the present actuation device in a simple and flawless manner by providing two (or more) of the described actuation devices, each with a drive unit, transmission shaft (flexible shaft) and actuation unit (rotating or adjusting), but only a single source of torque (hand crank or electric motor) is provided. On the drive side, the plurality of drive units (FIGS. 3, 4) are coupled to the torque source via suitable mechanical connecting elements, such as spur gears, bevel gears, etc., and associated shaft pieces, so that all transmission shafts connected to the drive units then rotate in unison and thus the rotation or adjustment effects the actuators are always identical thanks to the rigid coupling.

Um wahlweise mit einer einzigen Drehkraftquelle (Handkurbel, Elektromotor) verschiedene bewegliche Teile eines Baumodells betätigen zu können, ist es auch möglich, anstelle der vorgängig erwähnten mechanischen Verbindungselemente (z. B. Zahnräder) zwischen der Drehkraftquelle und den einzelnen Antriebseinheiten ein Schaltgetriebe an sich bekannter Bauart vorzusehen, bei welchem mit Hilfe von Steuerorganen, beispielsweise Steuerhebeln, eine oder mehrere Antriebseinheiten wahlweise mit der Drehkraftquelle verbindbar, das heisst, die entsprechenden Betätigungsemheiten zuschaltbar sind. Insbesondere bei Verwendung eines Elektromotors als Drehkraftquelle lässt sich dadurch eine wirklichkeitsgetreue und einwandfrei funktionierende Modell-Betätigung, zum Beispiel eines Baggers, erzielen.In order to be able to operate various moving parts of a construction model with a single torque source (hand crank, electric motor), it is also possible to use a manual transmission known per se instead of the mechanical connection elements (e.g. gears) mentioned above between the torque source and the individual drive units To provide a design in which one or more drive units can optionally be connected to the torque source with the aid of control elements, for example control levers, that is to say the corresponding actuation units can be activated. In particular when using an electric motor as a source of torque, one can really do so achieve faithful and perfectly functioning model actuation, for example of an excavator.

Anhand der Fig. 17 wird nachstehend noch ein mehrere erfindungsgemässe Betätigungseinrichtungen enthaltendes Bauspielzeug beschrieben, nämlich ein aus aufeinandersteckbaren Bausteinen bekannter Art zusammengebautes Modell eines Baggers, dessen Ausleger und Schaufel mittels Handkurbeln individuell geschwenkt werden können.17, a construction toy containing a plurality of actuating devices according to the invention is described below, namely a model of an excavator assembled from known types of pluggable building blocks, the boom and bucket of which can be individually pivoted by means of hand cranks.

Das dargestellte Modell weist ein Fahrgestell 53 mit Raupen 54, ein auf dem Fahrgestell 53 drehbar angeordnetes Maschinengestell 55 und einen am Maschinengestell 55 gelagerten Ausleger 56 mit einer Schaufel 57 auf.The model shown has a chassis 53 with caterpillars 54, a machine frame 55 which is rotatably arranged on the chassis 53 and a boom 56 with a shovel 57 mounted on the machine frame 55.

Der Ausleger 56 ist aus drei Armen 58, 59 und 60 zusammengesetzt. Der erste Arm 58 ist am Maschinengestell 55 um eine Achse 61 schwenkbar gelagert, wobei die Schwenkachse 61 sowie alle weiteren, im folgenden noch erwähnten Schwenkachsen mit einem Kreuz angedeutet sind. Der zweite Arm 59 ist mit dem ersten Arm 58 fest verbunden, d. h. er bildet mit dem ersten Arm 58 einen festen Winkel. Der dritte Arm 60 ist am zweiten Arm 59 um eine Achse 62 schwenkbar gelagert. Die Schaufel 57 ist mit einem Träger 63 versehen, welcher am dritten Arm 60 um eine Achse 64 schwenkbar gelagert ist.The boom 56 is composed of three arms 58, 59 and 60. The first arm 58 is mounted on the machine frame 55 so as to be pivotable about an axis 61, the pivot axis 61 and all further pivot axes mentioned below being indicated by a cross. The second arm 59 is fixedly connected to the first arm 58, i. H. it forms a fixed angle with the first arm 58. The third arm 60 is pivotally mounted on the second arm 59 about an axis 62. The blade 57 is provided with a carrier 63 which is pivotally mounted on the third arm 60 about an axis 64.

Um die fest miteinander verbundenen Arme 58 und 59 gegenüber dem Maschinengestell 55, den Arm 60 gegenüber den beiden genannten Armen 58, 59 und die Schaufel 57 gegenüber dem Arm 60 schwenken zu können, ist an den jeweils zwei schwenkbar miteinander verbundenen Bauteilen je eine Betätigungseinrichtung 65, 66 und 67 angebracht, welche zur Simulierung eines Hydraulikzylinders mit zugehöriger Kolbenstange gemäss den vorgängig erläuterten Fig. 5 bis 14 ausgebildet ist, auf welche hiermit Bezug genommen wird. Das Gehäuse 21 der ersten Betätigungseinrichtung 65 ist über seine Lasche 32 am Arm 59 um eine Achse 68 schwenkbar gelagert, während die Oese 36 der Kolbenstange 22 der Betätigungseinrichtung 65 am Maschinengestell 55 um eine Achse 69 schwenkbar gelagert ist. Des weitern ist das Gehäuse 21 der zweiten Betätigungseinrichtung 66 über seine Lasche 32 am Arm 59 um eine Achse 70 schwenkbar gelagert, während die Oese 36 der Kolbenstange 22 der Betätigungseinrichtung 66 am Arm 60 um eine Achse 71 schwenkbar gelagert ist. Schliesslich ist das Gehäuse 21 der dritten Betätigungseinrichtung 67 in gleicher Weise über ihre Lasche 32 am Arm 60 um eine Achse 72 schwenkbar gelagert, während die Oese 36 der Kolbenstange 22 der Betätigungseinrichtung 67 am Träger 63 der Schaufel 57 um eine Achse 73 schwenkbar gelagert ist.In order to be able to pivot the arms 58 and 59 fixedly connected to one another with respect to the machine frame 55, the arm 60 with respect to the two mentioned arms 58, 59 and the blade 57 with respect to the arm 60, an actuating device 65 is provided on each of the two pivotally connected components , 66 and 67 attached, which is designed to simulate a hydraulic cylinder with associated piston rod according to the previously explained FIGS. 5 to 14, to which reference is hereby made. The housing 21 of the first actuating device 65 is mounted on its arm 32 on the arm 59 so as to be pivotable about an axis 68, while the eyelet 36 of the piston rod 22 of the actuating device 65 is mounted on the machine frame 55 so as to be pivotable about an axis 69. Furthermore, the housing 21 of the second actuating device 66 is pivotally mounted on its arm 32 on the arm 59 about an axis 70, while the eyelet 36 of the piston rod 22 of the actuating device 66 is pivotally mounted on the arm 60 about an axis 71. Finally, the housing 21 of the third actuating device 67 is pivotally mounted in the same way via its tab 32 on the arm 60 about an axis 72, while the eyelet 36 of the piston rod 22 of the actuating device 67 is pivotably mounted on the carrier 63 of the blade 57 about an axis 73.

An die Gehäuse 21 der Betätigungseinrichtungen 65, 66, 67 ist je eine biegsame Welle 74, 75, 76 über das in Fig. 1 dargestellte steckbare Verbindungselement 3 angeschlossen. Die biegsamen Wellen 74, 75, 76, welche Hydraulikschläuche simulieren, sind in das Innere des Maschinengestells 55 geführt. Im Innern des Maschinengestells 55 ist jede biegsame Welle 74, 75, 76 ebenfalls über ein steckbares Verbindungselement 3 an je eine Antriebseinheit 10 gemäss Fig. 3 und 4 angeschlossen. In Fig. 17 ist in einem ausgebrochenen Teil einer Seitenwand des Maschinengestells 55 eine solche Antriebseinheit 10 für die biegsame Welle 75 dargestellt. Die für die anderen biegsamen Wellen 74 und 76 vorgesehenen Antriebseinheiten sind in der Fig. 17 nicht sichtbar, da alle Antriebseinheiten waagrecht nebeneinander angeordnet sind. Jeder der drei Antriebseinheiten 10 ist eine Handkurbel 77 zugeordnet, welche mit der Antriebseinheit über ein Wellenstück 78 in Verbindung steht, wie dies anhand der Fig. 3 und 4 bereits erläutert worden ist.A flexible shaft 74, 75, 76 is connected to the housing 21 of the actuating devices 65, 66, 67 via the plug-in connecting element 3 shown in FIG. 1. The flexible shafts 74, 75, 76, which simulate hydraulic hoses, are guided into the interior of the machine frame 55. Inside the machine frame 55, each flexible shaft 74, 75, 76 is also connected via a plug-in connecting element 3 to a respective drive unit 10 according to FIGS. 3 and 4. 17 shows such a drive unit 10 for the flexible shaft 75 in a broken-out part of a side wall of the machine frame 55. The measures provided for the other flexible shafts 74 and 76 drive units are g in Fi. 17 not visible since all drive units are arranged horizontally next to each other. Each of the three drive units 10 is assigned a hand crank 77, which is connected to the drive unit via a shaft piece 78, as has already been explained with reference to FIGS. 3 and 4.

Die dargestellte Anordnung der Betätigungseinrichtungen 65, 66 und 67 am an sich schon wirklichkeitsgetreuen Bagger-Spielbaumodell gibt die tatsächlich vorgesehenen und üblichen hydromechanischen Betätigungseinrichtungen naturgetreu wieder. Vor allem aber stimmen die durch die Betätigungseinrichtungen mittels Drehens der Handkurbeln 77 erzeugten. Bewegungsabläufe des Auslegers 56 und der Schaufel 57 gemäss den Pfeilen 79 mit denjenigen eines tatsächlichen Baggers vollkommen und einwandfrei überein, so dass das Baumodell einen hohen Spielwert hat. Statt des Handantriebs mit den Handkurbeln 77 kann selbstverständlich auch ein Antrieb mittels eines oder mehrerer fernsteuerbarer, batterie- oder transformatorgespeister Elektromotoren vorgesehen werden, wie dies vorgängig bereits erwähnt worden ist.The arrangement of the actuating devices 65, 66 and 67 shown on the excavator game model, which is actually realistic, reproduces the actually provided and usual hydromechanical actuating devices in a lifelike manner. Above all, however, those generated by the actuating devices by turning the hand cranks 77 are correct. Movements of the boom 56 and the bucket 57 according to the arrows 79 perfectly and perfectly match those of an actual excavator, so that the construction model has a high play value. Instead of the manual drive with the hand cranks 77, it is of course also possible to provide a drive by means of one or more remotely controllable, battery or transformer-fed electric motors, as has already been mentioned above.

Claims (23)

1. Actuating device for construction models, especially for toy construction vehicles, comprising a drive unit which can be connected with an external rotary force source (77) and comprising an actuating unit which can be connected with this drive unit via a flexible transmission shaft (1, 2) for delivering a rotary force (torque) or an adjusting force (linear force), the drive unit and the actuating unit each possessing a casing (10 ; 21.44) and a rotary element (16 ; 41, 50) journalled therein, such that the rotary element (16) in the drive unit can be connected at the drive side with the external rotary force source (77) and at the take-off side with the one end of the flexible transmission shaft (1, 2), and that the rotary element (41, 50) in the actuating unit can be connected at the drive side with the other end of the transmission shaft (1, 2) and at the take-off side with a component (24) of the construction model to be actuated, and wherein the flexible transmission shaft (1, 2) comprises a shaft core (1) and a protective sheath (2) surrounding this, characterized in that the connection of the flexible transmission shaft (1, 2) with the rotary elements (16 ; 41, 50) of the drive unit and of the actuating unit respectively is releasable and is provided by plug couplings, the shaft core (1) and the protective sheath (2) being provided at their two ends each with a plug element (8 ; 3 respectively), the rotary elements (16 ; 41, 50 respectively) of the drive unit and of the actuating unit each possessing a connecting bore (18 ; 42, 51 respectively) constructed in complementary form to the relevant plug element (8) of the shaft core (1) and suitable for torque transmission, and the casings (10 ; 21, 44 respectively) of the drive unit and of the actuating unit each possessing a connecting socket (15 ; 30, 49) of complementary form to the relevant plug element (3) of the protective sheath (2).
2. Actuating device according to Claim 1, characterized in that the plug element (8) connected with the shaft core (1) is a journal having a cross-section differing from that of a circle, and that the plug element (3) connected with the protective sheath (2) is a sleeve fitted onto the protective sheath (2), the outer end zone (5) of which projects beyond the protective sheath (2), is of resilient construction and is furnished with a peripheral beading (7), the connecting socket (15; 30, 49 respectively) of the drive unit or actuating unit respectively being equipped with an annular groove (20 ; 31 respectively) for receiving the peripheral beading (7) and for firmly holding the protective sheath (2) in the connecting socket (15 ; 30, 49 respectively) .
3. Actuating device according to Claim 2, characterized in that the outer end zone (5) of the sleeve (3) fitted on the protective sheath (2) possesses axial slits (6) .
4. Actuating device according to Claim 1, characterised in that the casing (10 ; 21, 44 respectively) consists of two internally like half-casings (11, 12; 25, 26 ; 45, 46 respectively), firmly connected to each other.
5. Actuating device according to Claim 1, characterised in that the casing (10 ; 44 respectively) has the external form of a component for toy construction models.
6. Actuating device according to Claim 1, characterised in that the drive unit and the actuating unit are of the same construction.
7. Actuating device according to one of Claims 1 to 6, characterised in that the external rotary force source is a hand crank (77) equipped with a shaft portion (78).
8. Actuating device according to one of Claims 1 to 6, characterised in that the external rotary force source is an electric motor equipped with a shaft portion.
9. Actuating device according to Claims 7 or 8, characterised in that the external rotary force source is equipped with a gear, for example a reversible gear.
10. Actuating device according to one of Claims 7 to 9, characterised in that a single rotary force source can be connected by mechanical connecting elements, for example by gear wheels and associated shaft lengths, to a plurality of drive units in order to make possible a parallel operation of a plurality of actuating units.
11. Actuating device according to one of Claims 1 to 3, characterised in that the actuating unit comprises a tubular piston rod (22), mounted axially slidable in a casing (21) and equipped with an internally threaded element (23), and a threaded spindle (24), disposed inside the piston rod (22) and in engagement with the internally threaded element (23), the one end of which (spindle) can be releasably connected with one end of the flexible transmission shaft (1, 2).
12. Actuating device according to Claim 11, characterised in that the casing (21) consists of two internally like, preferably symmetrical but opposite handed, half-casings (25, 26) firmly connected together and is at least approximately of cylindrical form.
13. Actuating device according to Claim 11 or 12, characterised in that the casing (21) is furnished, at its end adjacent to the connectable end (41) of the threaded spindle (24), with a lug (32) possessing a bore (33) for the pivotal mounting of the actuating unit in the construction model.
14. Actuating device according to one of Claims 11 to 13, characterised in that a longitudinal bore (27), introduced into the casing (21) for seating and slidably guiding the piston rod (22), and at least one head part (35) of the piston rod (22) have a cross-sectional form differing from that of a circle, in order to secure the piston rod (22) against rotation, the longitudinal bore (27) being equipped with a stop (43) for the head part (35) of the piston rod (22), in order to prevent this rod from falling out of the longitudinal bore (27).
15. Actuating device according to one of Claims 11 to 14, characterised in that the internally threaded element (23) is a nut, inserted into a corresponding transverse opening (38) of the piston rod (22), for example of its head part (35).
16. Actuating device according to one of Claims 11 to 15, characterised in that the piston rod (22) is equipped, at an end projecting beyond the casing (21), with a fixing means (36), for example an eye, for connection with the component of the construction model to be actuated.
17. Actuating device according to one of Claims 11 to 16, characterised in that the threaded spindle (24) possesses a cylindrical head part
(41), which is axially and radially seated in a corresponding bore (29) of the casing (21), and that the flexible transmission shaft (1, 2) can be releasably connected with the head part (41) of the threaded spindle (24).
18. Actuating device according to one of Claims 1 to 3, comprising a plurality of flexible transmission shafts (1, 2), characterised in that a connecting piece is provided for the connection of each two transmission shafts (1, 2) which (connecting piece) possesses a coupling piece (50) rotatably journalled in a casing (44), which (coupling piece) can be releasably connected at both ends with one end each of the transmission shafts (1, 2).
19. Actuating device according to Claim 18, characterised in that the connecting piece comprises a connecting bore (51) in the coupling piece (50) corresponding to the plug element (8) of the shaft core (1) of the flexible transmission shaft, and comprises, at both ends, a connecting socket (49) in the casing (44) corresponding to the plug element (3) of the protective sheath (2) of the flexible transmission shaft.
20. Actuating device according to Claim 18 or 19, characterised in that the casing (44) consists of two internally like half-casings (45, 46), firmly connected to each other.
21. Actuating device according to one of Claims 18 to 20, characterised in that the casing (44) has the external form of a component for toy construction models.
22. Actuating device according to one of Claims 1 to 21, characterised in that it is constructed for representing a hydromechanical actuation of a component of the construction model, the drive unit, the flexible tansmission shaft (1, 2) and the actuating unit having an extenal construction that simulates a hydraulic pump, a hydraulic line and a hydraulic motor or a hydraulic cylinder with associated piston rod.
EP85810320A 1984-07-11 1985-07-10 Control device for models, especially toy construction vehicles Expired EP0170620B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85810320T ATE33450T1 (en) 1984-07-11 1985-07-10 ACTUATION DEVICE FOR CONSTRUCTION MODELS, PARTICULARLY CONSTRUCTION TOYS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3366/84A CH664903A5 (en) 1984-07-11 1984-07-11 OPERATING DEVICE FOR CONSTRUCTION MODELS, IN PARTICULAR CONSTRUCTION TOYS.
CH3366/84 1984-07-11

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EP0170620A1 EP0170620A1 (en) 1986-02-05
EP0170620B1 true EP0170620B1 (en) 1988-04-13

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US (1) US4998903A (en)
EP (1) EP0170620B1 (en)
JP (1) JPH0669509B2 (en)
KR (1) KR940008299B1 (en)
AT (1) ATE33450T1 (en)
AU (1) AU570807B2 (en)
BR (1) BR8503316A (en)
CH (1) CH664903A5 (en)
DE (1) DE3562114D1 (en)
ES (1) ES8608910A1 (en)

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ATE33450T1 (en) 1988-04-15
AU4471985A (en) 1986-01-16
JPH0669509B2 (en) 1994-09-07
ES545033A0 (en) 1986-07-16
CH664903A5 (en) 1988-04-15
ES8608910A1 (en) 1986-07-16
KR860000880A (en) 1986-02-20
JPS6141480A (en) 1986-02-27
EP0170620A1 (en) 1986-02-05
KR940008299B1 (en) 1994-09-12
AU570807B2 (en) 1988-03-24
DE3562114D1 (en) 1988-05-19
BR8503316A (en) 1986-04-01
US4998903A (en) 1991-03-12

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