Locking device for securing a battery to the frame of a two-wheeled vehicle

Abstract

The invention relates to a locking device for securing an electrical energy store (3) on a frame (20) of a two-wheeler or the like, comprising a lever assembly (40) with a base plate (41), a lever (42) and a slide guide (6) between the base plate (41) and the lever (42), wherein the slide guide (6) has a first bearing axis (61) and a second bearing axis (62) and a first curved track (63) and a second curved track (64), wherein the lever (42) is arranged by means of the slide guide (6) for pivoting about the base plate (41) such that the lever (42) carries out a first pivoting process only about the first bearing axis (61) and subsequently carries out a second pivoting process only about the second bearing axis (62).

Description

TECHNICAL FIELD

[0001] The invention relates to a locking device for securing an electrical energy store on a frame or the like of a two-wheeled vehicle, in particular a two-wheeled vehicle having an electric drive, such as an electrically driven bicycle or pedelec. Furthermore, the invention also relates to an electrical energy store having such a locking device and to a two-wheeled vehicle, in particular a two-wheeled vehicle having an electric drive, having such a locking device.

[0002] The invention here in particular relates to a bicycle-based two-wheeled vehicle, in particular a so-called pedelec or electrically driven bicycle, in which, in addition to muscle power-based driving, an electric drive can also act as an auxiliary and / or only an electric drive acts. BACKGROUND

[0003] In such bicycle-based two-wheeled vehicles, the electrical energy store is usually removable in order to enable charging of the electrical energy store separately from the two-wheeled vehicle. For improved appearance, the electrical energy store is usually integrated directly into the frame of the two-wheeled vehicle. Here, very large frame cutouts are often required, which have a negative effect on the frame stiffness. It has been proposed here that the electrical energy store is inserted into a frame tube from above or below and secured in the inserted position due to the better stiffness conditions. In order to secure, for example, clamping levers are used. Due to the positioning and length of the electrical energy store, collisions with other components of the two-wheeled vehicle often occur here. SUMMARY

[0004] In contrast, the locking device according to the invention for securing an electrical energy store on a frame or the like of a two-wheeled vehicle has the advantage that a combined rotational and tilting movement can be achieved, so that the required pivoting area for the lever of the locking device can be kept very small. As a result, a significantly improved handling when removing and reinserting the electrical energy store into the frame can be achieved. Thus, by means of the small operating radius of the locking device according to the invention, it is possible to increase the frame tube length available for the electrical energy store if the electrical energy store is arranged, for example, in a frame tube of the two-wheeled vehicle, so that, for example, an energy store with a larger capacity can be installed or the energy store can be implemented more flatly.

[0005] According to the invention, this is achieved by the locking device comprising a lever assembly having a base plate, a lever, and a guide groove between the base plate and the lever. The guide groove has first and second support points and first and second curved tracks. Each support point is operatively connected to one of the curved tracks. Here, the lever is configured by means of the guide groove for pivoting on the base plate, such that the lever performs a first pivoting process only about the first support point, followed by a second pivoting process only about the second support point. Thus, a series connection of the two pivoting processes is achieved, i.e., first only about the first support point, and then only about the second support point. Therefore, pivoting about both support points cannot be performed simultaneously, but rather the pivoting processes are performed sequentially. Thus, the movement of the lever relative to the base plate can be achieved with a significantly reduced pivoting area, wherein the risk of collision between the lever and other components of the two-wheeled vehicle during the pivoting process is minimized.

[0006] The following shows a preferred extension of the present invention.

[0007] More preferably, the first curved track and / or the second curved track are each an uninterrupted arc. The uninterrupted arc preferably has a constant radius.

[0008] Particularly preferably, the radii of the first and second curved tracks are the same. This allows for a easily calculable trajectory for the pivoting motion of the lever relative to the base plate. When the distance between the first and second support points is preferably equal to the radii of the first and second curved tracks, a particularly compact arrangement between the base plate and the lever is achieved. This results in a minimum envelope curve for the pivoting motion of the lever on the base plate.

[0009] According to a preferred embodiment of the invention, the first curved track has a first end stop. This end stop is defined, for example, by an end region of the curved track that extends into the surface of a substrate or lever. Preferably, the second curved track has a second end stop.

[0010] To facilitate easy release of the lever from the base plate, the first and second curved tracks are arranged such that they intersect at a single point. Particularly preferably, an opening is provided on one side of the curved track at the intersection of the first and second curved tracks, allowing the lever to easily pass through the guide groove.

[0011] More preferably, the length of the first curved track is the same as the length of the second curved track. This ensures that the pivoting processes around the first and second support points are of equal length.

[0012] According to another preferred embodiment of the invention, the locking device further includes a safety element. This safety element is configured to secure the locking device to the frame or similar structure of the two-wheeled vehicle when it is in the closed state. The safety element is preferably a hook or similar element. The safety element is further preferably arranged adjacent to one of the support points. According to a particularly preferred embodiment of the invention, the safety element is removably arranged on the lever. Thus, the locking device can be configured such that the lever can continue to pivot by releasing and removing the safety element.

[0013] Particularly preferably, the substrate has a stop that limits the maximum pivoting movement of the lever. If the stop of the substrate engages with a removable locking element, an additional, further pivoting path can be achieved, for example, by removing the locking element from the lever, which can, for example, completely separate the lever from the substrate. This can, for example, be helpful for cleaning purposes. Therefore, the locking element can preferably be used as a component that stops on the substrate stop, and the locking device can be easily and completely disassembled by removing the locking element.

[0014] The first and second support points are preferably arranged on the base plate, while the first and second curved tracks are preferably arranged on the lever. Alternatively, the first and second support points are arranged on the lever, while the first and second curved tracks are arranged on the base plate. In both alternatives, it is preferred that the curved tracks are constructed as grooves, while the support points are preferably constructed as columns. Preferably, the curved tracks and support points are integrally manufactured with their respective components, for example, from plastic or metal materials.

[0015] More preferably, the curved track and support points are arranged in pairs on the locking device, for example, on two opposite sides of the locking device.

[0016] According to another preferred embodiment of the invention, the locking device further includes a locking mechanism for releasably locking the lever onto the base plate. The locking mechanism can be preloaded, for example, by means of a spring element and can disengage by tilting movement, for example, at a side recess. The locking can preferably be performed automatically upon the return of the lever via a ramp or the like.

[0017] More preferably, the locking device includes a lock to prevent unauthorized opening of the locking device. Therefore, the lever of the lever assembly can only be pivoted after the lock is opened.

[0018] More preferably, the locking device includes a fixing device constructed on the substrate and configured to fix the substrate to the energy storage device. The fixing device may include, for example, through holes and bolts.

[0019] The locking device is preferably a separately purchased component. Alternatively, the base plate can also be an integrated component of the energy storage device housing. The locking device, along with the energy storage device, can then be removed from the frame or similar structure after the locking device has been opened.

[0020] Furthermore, the present invention relates to an energy storage device including a locking device according to the present invention.

[0021] More preferably, the present invention relates to a two-wheeled vehicle, particularly a bicycle that can be driven by muscle power and / or electric drive, the two-wheeled vehicle comprising an energy storage device and a locking device according to the invention. The energy storage device is preferably integrated into the frame portion of the two-wheeled vehicle, and the locking device secures the energy storage device without requiring additional movable elements. Attached Figure Description

[0022] A preferred embodiment of the present invention will now be described in detail with reference to the accompanying drawings. In the drawings are:

[0023] Figure 1 A schematic diagram of a two-wheeled vehicle with an electric drive according to a preferred embodiment of the present invention.

[0024] Figure 2 : A schematic exploded view of a locking device according to a preferred embodiment of the present invention.

[0025] Figure 3 : Figure 2 A schematic side view of the locking device in its initial locked state onto the energy storage device;

[0026] Figure 4 Side view of the locking device during the first opening step;

[0027] Figure 5 : Side view of the locking device in the second opening step; and

[0028] Figure 6 : A schematic diagram of a locking device used to separate the lever from the base plate of the locking device. Detailed Implementation

[0029] Refer to the following Figures 1 to 6 A two-wheeled vehicle 1 having a locking device 4 according to a preferred embodiment of the present invention is described in detail.

[0030] It should be noted that two-wheeled vehicles are understood in particular as bicycles with electric drives, such as bicycles, in which the electric drive is engaged only when the rider pedals, or as electric bicycles that allow the electric drive to operate even when the pedals are not being used.

[0031] from Figure 1As can be seen, the electric actuator 2 is arranged in the area of ​​the pedal bearing of a two-wheeled bicycle. Furthermore, the two-wheeled vehicle 1 includes an energy storage device 3, which is at least partially integrated into the frame tube 20. A locking device 4 is arranged in the end region of the energy storage device 3, which reliably locks the energy storage device 3 onto the frame tube 20.

[0032] By unlocking the locking device 4, the energy storage device 3 can be removed from the frame tube 20.

[0033] exist Figures 2 to 6 Details of the locking device 4 can be seen in the image.

[0034] As from Figure 2 As can be seen in the perspective view, the locking device 4 includes a lever assembly 40 having a base plate 41 and a lever 42. Furthermore, the lever assembly 40 includes a groove guide 6 formed between the base plate 41 and the lever 42.

[0035] The slide guide 6 includes a first support axis 61 and a second support axis 62. Furthermore, the slide guide 6 includes a first curved track 63 and a second curved track 64.

[0036] The first and second support axes 61 and 62 are arranged parallel to each other. The slide guide 6 is implemented twice on the two opposite sides of the locking device 4.

[0037] The substrate 41 includes a first leg 41a and a second leg 41b. From Figure 2 As can be seen, the first cylindrical support pin 61a and the second cylindrical support pin 62b are arranged on both sides of the legs 41a and 41b, so that they point towards each other. Correspondingly, the first and second curved tracks 63 and 64 are respectively constructed on both sides of the lever 42.

[0038] Now, lever 42 is configured to pivot on substrate 41 via groove guide 6, such that lever 42 first performs a first pivoting process only on the first support axis 61, and then performs a second pivoting process only about the second support axis 62. This can be achieved from... Figure 4 and 5 See details in the text.

[0039] Therefore, from Figure 3 To start from the locked state shown, one must first rotate the locking device 9 around the rotation axis 90, for example, with a finger, in order to release the hook 91 from the side recess (arrow B).

[0040] Subsequently, as Figure 4 As shown, lever 42 rotates about the first bearing shaft 61 (arrow C). For comparison... Figure 3 and Figure 4As shown in the diagram, lever 42 moves along the first curved track 63 until it reaches the end stop 63a of the first curved track 63, which serves as a stop. (The last sentence appears to be incomplete and possibly refers to a different context.) Figure 4 As can be seen, the second support axis 62 remains unchanged in the second curved track 64. Therefore, the first pivoting process only takes place around the first bearing axis 61.

[0041] from Figure 4 Starting from the middle position, the second pivoting process of lever 42 takes place only around the second support axis 62, which is from Figure 4 and Figure 5 As can be seen from the comparison (arrow D). Figure 5 This shows one endpoint of the second pivoting process. The first support axis 61 on the pin is held here in the end position at the end stop 63a in the first curved track 63, such that the second pivoting process is carried out only by relative movement about the second support axis 62.

[0042] A hook-shaped safety element 7 is provided at one end of the lever 42, such as from... Figure 3 As can be seen, the safety element 7 is snapped into the side recess 22 on the frame tube 20 through the opening 21 in the frame tube 20. Figure 3 This shows the locked state between lever 42 and base plate 41, and the locking state achieved by means of locking device 9.

[0043] Through the first pivoting process, the safety element 7 disengages from the side recess 22 and rotates out through the opening 21 in the frame tube 20 (see...). Figure 4 ).

[0044] For example, further from Figure 5 As can be seen, the second pivoting process ends when the safety element 7 strikes the stop 43 on the substrate 41. In this embodiment, this is the maximum possible pivoting process during the installation of the safety element 7.

[0045] However, from Figure 6 As can be seen, the safety element 7 is designed to be removable from the lever 42. This allows the lever 42 to also separate from the base plate 41. Here, an opening 65 is provided at the intersection of the first curved track 63 and the second curved track 64. Figure 6 As schematically shown, lever 42 can be removed from base plate 41 without safety element 7 (arrow E).

[0046] The locking device 4 can be fixed to the energy storage device 3, for example, by means of bolts. Alternatively, the base plate 41 of the locking device 4 can be an integrated component of the energy storage device 3, for example, the housing of the energy storage device 3.

[0047] The first curved track 63 has a first radius R1 and is constructed only in an arc shape. Here, the center point M1 of the first curved track 63 is located within the second support axis 62. The second curved track 64 also has a second radius R2 and is constructed only in an arc shape. Here, the midpoint M2 of the second curved track 64 is located within the first support axis 61. Here, the first radius R1 and the second radius R2 are equal. Therefore, the distance A between the first support axis 61 and the second support axis 62 is also equal to the first radius R1 and equal to the second radius R2.

[0048] Therefore, the center point M1 of the first curved track 63 is located in the second curved track 64, while the center point M2 of the second curved track 64 is located in the first curved track 63. The two center points M1 and M2 are respectively located in the regions of the closed ends of the first and second curved tracks 63 and 64. Here, when the respective pins are in the end positions of the first and second curved tracks 63 and 64, the center points of the curved tracks 63 and 64 coincide with the first support axis 61 or the second support axis 62.

[0049] Therefore, with locking device 4, the clever arrangement of the guide 6 between lever 42 and base plate 41 prevents simultaneous movement around the first support axis 61 and the second support axis 62. The entire pivoting process is divided into a first pivoting process and a second pivoting process. In the first pivoting process, only pivoting around the first support axis 61 occurs, while in the second pivoting process, only pivoting around the second support axis 62 occurs. Thus, the movement of lever 42 relative to base plate 41 is controlled in such a way that the space required for movement is minimized. This allows for a compact structure, and despite the presence of locking device 4, the energy storage device 3 can still be integrated into the frame tube 20.

[0050] Therefore, when lever 42 moves, it can avoid colliding with other components of the two-wheeled vehicle 1.

[0051] It should be noted that the slide guide 6 can also be configured such that the support pin is arranged on the lever 42 and the curved track is arranged on the base plate 41.

Claims

1. A locking device for securing an electrical energy store (3) on a frame (20) of a two-wheeler or the like, comprising: - a lever assembly (40) having a base plate (41), a lever (42) and a sliding groove guide (6) between the base plate (41) and the lever (42); - wherein the sliding groove guide (6) has a first bearing axis (61) and a second bearing axis (62) and a first curved track (63) and a second curved track (64); - wherein the lever (42) is arranged by means of the sliding groove guide (6) to pivot about the base plate (41) such that the lever (42) performs a first pivoting process about the first bearing axis (61) only and subsequently performs a second pivoting process about the second bearing axis (62) only.

2. The locking device of claim 1, wherein, The first curved track (63) and the second curved track (64) are each one uninterrupted arc.

3. The locking device of claim 2, wherein, A first radius (Rl) of the first curved track (63) is equal to a second radius (R2) of the second curved track (64).

4. The locking device of claim 3, wherein, A distance (A) between the first bearing axis (61) and the second bearing axis (62) is equal to the first radius (Rl) and equal to the second radius (R2).

5. The locking device of any one of claims 1 to 4, wherein, The first curved track (63) has a first end stop and / or wherein the second curved track (64) has a second end stop.

6. The locking device of any one of claims 1 to 4, wherein, The first curved track (63) and the second curved track (64) intersect at one intersection point.

7. The locking device of any one of claims 1 to 4, wherein, The first curved track (63) and the second curved track (64) have an opening (65).

8. The locking device according to any one of claims 1 to 4, further comprising a securing element (7) arranged on the lever (42) and arranged for securing the locking device in an initial state.

9. The locking device of claim 8, wherein, The securing element (7) arranged on the lever (42) is removable from the lever (42).

10. The locking device according to any one of claims 1 to 4 and 9, further comprising a stop (43) on the base plate (41) limiting a maximum pivoting movement of the lever (42).

11. The locking device of claim 10, wherein, The securing element (7) is arranged for stopping on the stop (43) and limiting a maximum pivoting movement of the lever (42).

12. The locking device according to any one of claims 1 to 4, 9 and 11, further comprising a latching device (9) for releasably latching the lever (42) on the base plate (41) and / or further comprising a lock for securing the lever (42) on the base plate (41).

13. An electrical energy store of a two-wheeler, the electrical energy store comprising a locking device according to any one of claims 1 to 12.

14. The electrical energy storage of a two-wheeled vehicle of claim 13, wherein, The two-wheeler is a bicycle with an electrical drive.

15. A two-wheeler comprising an electrical energy store (3) and a locking device (4) according to any one of claims 1 to 12.

16. Scooter according to claim 15, wherein The two-wheeler is a bicycle with an electrical drive (2).

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