• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a current collector (1) for a model railway vehicle with at least one pantograph surface (2, 3) and a model railway vehicle with such a pantograph. In order to achieve a low overall height with a low production cost, go from the pantograph surface (2, 3) of two resilient retaining webs (4, 5), which are opposite the pantograph surface (2, 3) bent upwards, wherein the retaining webs (4, 5) and the current collector surface (2, 3) are integrally formed with each other. The invention also relates to a model railway vehicle with a pantograph.
    公开号:CH709986A2
    申请号:CH01042/15
    申请日:2015-07-16
    公开日:2016-02-15
    发明作者:Sándor Csaba
    申请人:Viessmann Modellspielwaren Gmbh；
    IPC主号:
    专利说明:

    The invention relates to a pantograph for a model railway vehicle with at least one pantograph surface.
    Such pantographs are usually mounted centrally under a model railway vehicle to make electrical contact with a center conductor of a model railway track. For this purpose, the current collector surface usually runs in the longitudinal direction and is acted upon by a spring element. About the pantograph so the provided between the center conductor and the track rails potential of the electric drive energy is tapped.
    Known pantographs, which are also called Mittelfeitschleifer, in this case, as a rule, a more or less elastic pantograph surface. The pantograph surface is usually connected on its side facing away from the track with an elastic headband and attached via this on an underside of the model railway vehicle. The elastic headband is connected with its ends movable on narrow sides of the pantograph surface. During compression, the ends of the retaining clip can thus move relative to the current collector surface, so that a relatively free deformation of the retaining clip during compression can take place.
    Such a current collector is known for example from DE 10 302 046 A1. In order to establish a secure contact, while the pantograph surface is relatively stable, but this has the disadvantage that when driving relatively strong noises occur when the pantograph is used in conjunction with a center conductor, which is formed by a plurality of point contacts as is the rule.
    In order to allow a quieter operation, it is proposed in EP 1 844 829 B1, instead of the relatively strong and thick material of the pantograph surface to use a thicker film which is held by a plastic body in the form on both sides of the pantograph surface is arranged.
    However, these known pantographs have some disadvantages. First, they are structurally relatively complicated, since they are composed of several individual parts. On the other hand, they require a considerable free height between the track and a bottom of the model railway vehicle. Further exist between the contact points of the retaining clip and the pantograph surface potential electrical contact resistance, which only become small when correspondingly high contact forces between the pantograph surface and the headband are generated. Accordingly, a spring effect of the retaining clip must be relatively large, which has the consequence, however, that light model railroad vehicles, especially when switches and crossing points are run over, in which the center conductor is increased, can be raised or at least greatly relieved. This can lead to wheels of the model railway vehicle losing contact with the track rails, which also leads to an electrical contact loss and leads. There is also the danger that derail under unfavorable conditions such model railway vehicles.
    Furthermore, problems may occur if the relative movement between the ends of the retaining clip and the back of the pantograph surface is hindered, for example, by contamination. This can also lead to the pantograph not sinking far enough, which in turn results in contact problems.
    To minimize such contact problems, attempts have been made to use pantographs with longer pantograph surfaces. On the one hand, this leads to problems in tight turns, on the other hand, lateral guidance is made more difficult.
    The invention is based on the object to eliminate the disadvantages of the prior art. In particular, a pantograph is to be provided, which allows a simple production and has a low overall height. Furthermore, he should have the lowest possible line resistance.
    This object is achieved by a current collector with the features of claim 1. Advantageous embodiments are described in the subclaims.
    In a pantograph for a model railway vehicle with at least one pantograph surface is inventively provided that go out from the pantograph surface two resilient retaining webs which are bent relative to the pantograph surface upwards, wherein the holding webs and the pantograph surface are integrally formed with each other.
    In contrast to the prior art, therefore, not only one, but two resilient retaining webs is used, which are integrally formed with the current collector surface and are not mounted relative to this movable at her. In particular, by the one-piece design is a very simple production with little effort possible. Also, no electrical resistance between the retaining webs and the pantograph surface. In the context of the invention, the current collector surface is the entire section of the current collector which has the contact surface for current consumption from the center conductor. In this case, the current collector can be designed very flat, so be used even at low model rail vehicles.
    The elastic retaining webs run side by side and are bent so that they can push the current collector surface against a center conductor in the installed state of the pantograph.
    In a preferred embodiment, the holding webs go from a narrow side of the pantograph surface. The holding webs are then, so to speak, an extension of the pantograph surface. As a result, a one-piece production is relatively easy.
    In an alternative embodiment, the holding webs extend from opposite longitudinal sides of the pantograph surface. This also makes a one-piece design possible with little effort, wherein the forces acting on the retaining webs in the first-mentioned embodiment may be reduced.
    In all embodiments, the holding webs preferably run apart from the current collector surface at least for a certain length. This results in a good lateral stabilization of the pantograph surface.
    Preferably, the current collector surface is flat, at least in a central region. Furthermore, the current collector surface may have bent ends.
    By the bent ends of the pantograph can slide relatively easily over bumps in the center conductor or on the point contacts of the center conductor. In this case, a sufficiently long contact surface is provided by the flat central region, in order to obtain a secure electrical contact and mechanically quiet running. The latter happens, among other things, by the fact that enough contacts of the point contacts of the center conductor are occupied at the same time.
    Preferably, the holding webs each have a mounting portion. The attachment portion serves to secure the current collector to a bottom of the model railway vehicle. The mounting portions are thus spaced from the pantograph surface. In this case, each holding bridge can be fastened to the model railway vehicle, so that a secure hold is ensured.
    In a preferred embodiment, the holding webs in the region of the fastening portions on a portion to each other, which is greater than a width of the current collector surface. As a result, a stable, lateral guidance of the pantograph surface over the retaining webs is achieved. Lateral forces can be transferred well from the retaining webs to the fastening sections and thus to the model railway vehicle.
    In a particularly preferred embodiment, the pantograph on two pantograph surfaces, which are connected to each other via the holding webs, wherein the fastening portions are arranged in particular centrally between the pantograph surfaces. The holding webs run side by side, they diverge each starting from the pantograph surfaces, so as to be able to absorb lateral forces. By two pantograph surfaces, a sufficient electrical contact can always be guaranteed. In addition, there is a symmetrical structure of the pantograph with a symmetrical and thus advantageous force distribution of the elastic spring forces.
    It is particularly preferred that the holding webs adjacent to the attachment portions extend parallel to each other. Over the length of these parallel mounting portions, a distance between the pantograph surfaces can be adjusted. Even at a greater distance can be such an angle in which the holding webs run apart from each other starting from the current collector, still be relatively large, so that they can absorb lateral forces.
    Preferably, the current collector is made by means of etching and subsequent bending process from a flat plate. The plate then has an electrically conductive and etchable material that is resiliently deformable. By an etching process, the current collector can be produced with little effort and bring in the corresponding spring action by the subsequent bending process, in which in particular the holding webs are pre-bent.
    It is particularly preferred that the fastening portions are offset in a direction perpendicular to the pantograph surface 1.5 mm to 5 mm, in particular to 3 mm from the pantograph surface. The distance defines the possible spring travel, which is more than sufficient. At the same time a low overall height of the pantograph can be maintained.
    In an advantageous embodiment, a width and or thickness of the holding webs is adapted to a desired spring stiffness. For example, by means of etching process, the width, but also the thickness of the holding webs can be adjusted exactly, so as to adjust the rigidity of the holding webs. As a result, for example, the weight of the model railway vehicle and the installation height can be taken into account in order to always set an optimum compromise between contact pressure and driving safety, in particular in light model railroad cars.
    Preferably, a width of the holding webs is not more than 2 mm, in particular a maximum of 1 mm. Since the differences in the rigidity of the retaining webs and the current collector surface are significantly influenced by the width of the retaining webs, it is advantageous if the retaining webs are formed correspondingly narrow. At the same time it must be ensured that a sufficient spring action is achieved in order to press the pantograph surface resiliently against a central conductor of the tracks. A width of the holding webs between 0.5 mm and 1 mm has proved to be particularly advantageous.
    Advantageously, the current collector can be fastened via the fastening sections in such a way under a model railway vehicle, that the pantograph surfaces are placed in the region of axes of the model railway vehicle. The pantograph surface is thus placed in the area of the axles or of a bogie, and thus is always optimally positioned between the track rails, even in the case of more heavily curved track sections. Furthermore, there is a favorable force application.
    The object is also achieved by a model railway vehicle with an inventive pantograph. It is particularly preferred that the current collector is arranged as a central conductor grinder below the model railway vehicle and is electrically connected via the attachment portions with a chassis of the Modelbahnfahrzeugs. Additional electrical connections such as a cable must then not be connected to the pantograph. Instead, the electrical contacting takes place via the fastening sections and the selected fastening means. For example, the current collector is simply screwed uninsulated to the chassis of the model railway vehicle. As a result, a subsequent replacement of the pantograph, for example, due to wear, particularly easy. In addition, the internal wiring within the model railway vehicle can be kept simple and largely correspond to a wiring, as used in model railroad vehicles without center conductor. This results in a simplified and variable production.
    The invention will be described below with reference to a preferred embodiment in conjunction with the drawings. Herein show:<Tb> FIG. 1 <SEP> a current collector in plan view,<Tb> FIG. 2 <SEP> a side view of the pantograph,<Tb> FIG. 3 <SEP> a bottom view of a vehicle model with mounted pantograph and<Tb> FIG. 4 <SEP> a side view of a vehicle model with mounted pantograph.
    In Fig. 1, an inventive pantograph 1 is shown in plan view. The current collector 1, which is a medium-conductor grinder, has been produced by etching from a metallic plate and comprises two current collector surfaces 2, 3, which are connected to one another via two spring-elastic holding webs 4, 5 running side by side. In the center, that is to say at the same distance from the current collector surfaces 2, 3, the holding webs 4, 5 are each provided with a fastening section 6, 7 which has openings for passing through a screw or another fastening means.
    The holding webs 4, 5 each extend from one longitudinal side of the current collector surface 2, 3, initially run apart, to then adjacent to the mounting portions 6, 7 to extend parallel to each other. In this way, a maximum width of the current collector 1 is in the region of the fastening sections 6, 7, wherein between the fastening sections a free gap is trained. This in turn avoids overdetermination when mounting the pantograph on the model railway vehicle, so that the pantograph can be manufactured with correspondingly large tolerances.
    Due to the inventive design can be taken over the support webs 4, 5 in the transverse direction acting forces from the current collector 2, 3 and so a lateral guidance of the pantograph surfaces 2, 3 can be achieved.
    In Fig. 2 is a side view of the pantograph 1 is shown. The current collector surfaces 2, 3 each have at least one bent end 8, 9. The holding webs 4, 5 are bent upwards starting from the current collector surfaces 2, 3, so that they are deflected in the region of the fastening sections 6, 7, for example by 2 mm with respect to the current collector surfaces 2, 3. With a circulation of the current collector surfaces 2, 3 on a center conductor so a resilient deformation of the holding webs 4, 5 take place, so that the current collector surfaces are resiliently pressed against the center conductor.
    The illustrated shape receives the pantograph 1 by a subsequent to an etching process bending process in which the retaining webs 4, 5 are transformed accordingly. If necessary, these can also be pulled apart in order to set the desired distance in the region of the fastening sections 6, 7 relative to one another.
    In Fig. 3, an underside of a model railway vehicle shown schematically is shown. The current collector 1 is designed as a center grinder, wherein the current collector surfaces 2, 3 are each arranged in the region of axes 10, 11 of the model railway vehicle 12. The current collector 1 is further attached via the mounting portions 6, 7 on the underside of the model railway vehicle 12. It can be seen that the fastening sections 6, 7 are arranged as far away from each other as a width of the model railway vehicle model 12 permits. Thus, a sufficient lateral rigidity of the current collector 1 is ensured.
    FIG. 4 shows a side view of the vehicle model 12 with the current collector 1, corresponding to FIG. 3. A center conductor 13 is formed in this embodiment by a plurality of point contacts. This is a classic design, for example, rails of the company Märklin.
    In this case, the current collector 1 is with its Stromabnehmerflächen 2, 3 on the Mitteileiter 13, while the also current-absorbing wheels 14, 15 of the vehicle model 12 rest on the current-carrying track rails 16. Thus, the vehicle model 12 is provided with a potential difference between the center conductor and the track rails via the wheels 14, 15 and the current collector 1, which can be used for driving an electric motor, for the operation of a lighting or the like.
    The inventive pantograph requires only a minimum height, which must be only slightly less than a roughness of the center conductor. In this case, the current collector itself contains no moving parts, but the inherent elasticity of the material used is exploited. It can be optimally adapted to a weight of the model railway vehicle by choosing a thickness of the material of the pantograph. Due to the low mass of the current collector, the mechanical energy in the current collector is very low, which is why only a slight acoustic excitation and a barely perceptible transmission to the vehicle model itself occur. The pantograph runs very quietly.
    The desired spring force is achieved in the inventive pantograph by the corresponding shape of the thin retaining webs, which is connected to the pantograph surfaces of the pantograph. These are due to their greater width at the same thickness while sufficiently rigid to make good contact with the center conductor can.
    Preferably, the pantograph surfaces are arranged in the region of axles or a bogie of the model railway vehicle such as a locomotive or a wagon. However, it is also conceivable to design the current collector, for example, only with a pantograph surface or, in model railroad vehicles with larger wheelbases, to arrange only one of the pantograph surfaces in the region of an axis or in the vicinity of a bogie.
    The current collector according to the invention is therefore very easy to manufacture, has a high reliability with low internal electrical resistance and, moreover, has only a very small overall height. This makes it universally applicable and inexpensive.
    The invention is not limited to one of the embodiments described above, but can be modified in many ways.
    All resulting from the claims, the description and the drawing features and advantages, including design details, spatial arrangements and method steps may be essential to the invention both in itself and in various combinations.
    LIST OF REFERENCE NUMBERS
    [0044]<Tb> 1 <September> pantograph<tb> 2, 3 <SEP> pantograph area<tb> 4, 5 <SEP> Holding bars<tb> 6, 7 <SEP> Mounting sections<tb> 8, 9 <SEP> ends<tb> 10, 11 <SEP> axes<Tb> 12 <September> Model Railroad vehicle<Tb> 13 <September> center conductor<tb> 14, 15 <SEP> Wheels<Tb> 16 <September> track rail
    权利要求:
    Claims (13)
    [1]
    1. pantograph (1) for a model railway vehicle (12) with at least one pantograph surface (2, 3), characterized in that of the pantograph surface (2, 3) two resilient retaining webs (4, 5) go out, compared to the pantograph surface (2 , 3) are bent upwards, wherein the holding webs (4, 5) and the current collector surface (2, 3) are integrally formed with each other.
    [2]
    Second pantograph according to claim 1, characterized in that the holding webs (4, 5) emanate from a narrow side of the pantograph surface (2, 3).
    [3]
    3. Current collector according to claim 1 or 2, characterized in that the holding webs (4, 5) emanating from opposite longitudinal sides of the current collector surface (2, 3).
    [4]
    4. Current collector according to one of the preceding claims, characterized in that the current collector surface (2, 3) is formed flat at least in a central region.
    [5]
    5. Current collector according to one of the preceding claims, characterized in that the holding webs (4, 5) each have a fixing portion (6, 7).
    [6]
    6. Current collector according to one of the preceding claims, characterized in that the holding webs (4, 5) in the region of the fastening portions (6, 7) have a distance from each other which is greater than a width of the current collector surface (2, 3).
    [7]
    7. pantograph according to one of the preceding claims, characterized in that it comprises two current collector surfaces (2, 3) which are connected to each other via the holding webs (4, 5), wherein the fastening portions (6, 7) in particular centrally between the pantograph surfaces ( 2, 3) are arranged.
    [8]
    8. Current collector according to one of the preceding claims, characterized in that the holding webs (4, 5) adjacent to the fastening portions (6, 7) parallel to each other.
    [9]
    9. Current collector according to one of the preceding claims, characterized in that it is made by means of etching process and subsequent bending process from a flat plate.
    [10]
    10. Current collector according to one of the preceding claims, characterized in that the fastening portions (6, 7) in a direction perpendicular to the pantograph surface (2, 3) 1.5 to 3 mm opposite the pantograph surface (2, 3) are offset.
    [11]
    11. Current collector according to one of the preceding claims, characterized in that a width of the holding webs (4, 5) is adapted to a desired spring stiffness of the current collector.
    [12]
    12. pantograph according to one of the preceding claims, characterized in that it is fastened via the fastening portions (6, 7) under a model railway vehicle (12) that the pantograph surfaces (2, 3) in the range of axes (10, 11) of the Model railway vehicle (12) are placed.
    [13]
    13. Model railway vehicle with a current collector according to one of the preceding claims, characterized in that the current collector is arranged as a central conductor grinder below the model railway vehicle and is electrically connected via the attachment portions with a chassis of the Modelbahnfahrzeug.
    类似技术:
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    同族专利:
    公开号 | 公开日
    DE102014111453B4|2020-07-23|
    DE102014111453A1|2016-02-18|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE803882C|1948-10-02|1951-04-12|Maerklin & Cie G M B H Geb|Pantographs for electrically operated or illuminated toy and model railway vehicles|
    DE893626C|1951-12-13|1953-10-19|Trix Vereinigte Spielwaren Fab|On the rails with a preferably curved end part sliding grinder for electric toy or model trains|
    DE960978C|1951-12-13|1957-03-28|Trix Vereinigte Spielwaren Fab|Switching device for electric toy or model trains|
    DE6751411U|1968-05-06|1969-01-23|Maerklin & Cie Gmbh Geb|DEVICE FOR CUSHIONED DRIVING A VEHICLE BETWEEN THE RAILWAYS OF THE TRACK OF AN ELECTRICALLY OPERATED TOY TRAIL.|
    DE10302046A1|2003-01-21|2004-07-29|Gebrüder Märklin & Cie. GmbH|Current collector for model railway vehicle, has final ranges of varying widths that are provided to sliding contact which is held at bottom surface of model railway vehicle|
    DE502007003902D1|2006-04-10|2010-07-08|Modelleisenbahn Gmbh|Current collector arrangement for electrically operated track-guided model drive vehicles|
    法律状态:
    2017-04-13| PFA| Name/firm changed|Owner name: VIESSMANN MODELLTECHNIK GMBH, DE Free format text: FORMER OWNER: VIESSMANN MODELLSPIELWAREN GMBH, DE |
    2018-10-15| AZW| Rejection (application)|
    优先权:
    申请号 | 申请日 | 专利标题
    DE102014111453.1A|DE102014111453B4|2014-08-12|2014-08-12|Pantograph for a model railway vehicle and model railway vehicle|
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