Rim for a wheel which can be supplied with a tire

Abstract

The invention relates to a rim for a wheel which can be supplied with a tire, wherein the rim has a rim base and rim shoulders, the tire can be arranged in the rim base between the rim shoulders, and the wheel is in the form of a disk wheel. The invention proposes that the rim consists of at least two wheel parts which can be releasably connected together and which form the rim of the disk wheel. The wheel parts can be individually uninstalled, and at least one part of one of the rim shoulders can also be uninstalled together with the wheel part.

Description

[0001] Rim for a wheel that can be loaded with a tire

[0002] The invention relates to a rim for a wheel that can be fitted with a tire. Such wheels are widely used, for example in bicycles, e-bikes, pedelecs, but also in three- or multi-wheeled vehicles that are powered by muscle power or an electric motor. Especially when such vehicles are intended to carry heavy loads or several people, the wheels must be robustly designed. It is often very difficult for an operator to change the tire on such a vehicle, as it is embedded in the rim well and can only be moved over the rim shoulder with considerable force. This is therefore time-consuming and sometimes impossible for some operators to perform.

[0003] Furthermore, when changing a tire with conventional rims, the wheel must first be removed from the vehicle before the tire can be changed. However, with heavier and more stable vehicles, this is also time-consuming and strenuous.

[0004] If the wheel is provided with an additional device, such as a motor, a generator and / or a gearbox, which is located in the hub, the wheel must also be removed first in the case of conventional rims before the device can be removed and / or replaced.

[0005] The object of the invention is therefore to avoid the aforementioned disadvantages and to develop a rim in which a tire change and / or the replacement of a device arranged in the hub can be carried out quickly and easily without great expenditure of force. This object is achieved by the characterizing features of claim 1, to which the following particular importance is attached. The rim comprises at least two detachably connectable wheel parts which, in the assembled state, form the rim of the disc wheel, wherein the wheel parts can be removed individually. When the wheel part is removed, at least part of one of the rim shoulders is also removed. This makes it easier to remove the tire from the rim well, since the tire does not have to overcome the entire rim shoulder. Disassembly can therefore be carried out much more efficiently and with less expenditure of force.A device located on the wheel hub can also be removed more easily without having to remove the entire wheel from the vehicle.

[0006] In a particularly preferred embodiment, the rim is formed from two identical wheel components. This is particularly cost-effective in terms of production and storage, as well as in terms of operation, since the disassembly of the wheel components is always identical.

[0007] It's particularly advantageous if one of the rim shoulders is completely removed when removing the wheel. This makes it particularly easy to remove and remount the tire, as it simply needs to be pulled sideways off the rim and pushed back on.

[0008] In a particularly preferred embodiment, the wheel parts have inner and outer plates arranged offset from one another. When the wheel parts are assembled to form a rim, the inner and outer plates engage behind one another, preferably in such a way that they are arranged so as to interlock alternately. In this state, the inner plate of one wheel part is arranged further inward in the radial direction of the wheel than the outer plate of the other wheel part. Both plates are thus arranged one above the other. This produces a stable wheel that can also be used on vehicles with heavier loads. The outer plates and the inner plates are preferably arranged close to the outer circumference of the respective wheel part. The outer plates then advantageously form the base of the rim base when the wheel parts are mounted to one another.The outer contours of the outer plates are designed in such a way that, when mounted, they form a surface with the outer plates on the opposite wheel part in which the outer plates almost or completely touch each other.

[0009] Furthermore, a device which fulfils a further function can be provided on the impeller. This device is then detachably provided in a receptacle in at least one part of the impeller. In particular, the device can be arranged on the hub of the impeller. Motors, generators and / or gearboxes are particularly suitable as the device in question. Arranging such devices in the hub is common practice. However, it is often difficult to replace them because the entire wheel has to be dismantled from the vehicle and the device removed from the hub. A simple way of assembling and disassembling the device is to arrange the device in a housing which has one or more projections. The receptacle then has one or more recesses through which the projections can be guided during assembly of the device. By turning the device orThe projections of the housing then engage with mating projections on the rim, allowing the device to be secured to the wheel. Attachment and removal work like a bayonet lock, as the device is first inserted into the rim and then twisted, or, for removal, first twisted and then pulled out of the rim.

[0010] To enable easy attachment of the wheel components to one another and / or the device to one or more wheel components, screw connections can be provided. These then fasten, for example, the wheel components to one another or the device or its housing to one or more wheel components. Such screw connections are easy to loosen and tighten again, if necessary using standard tools. This makes assembly and disassembly of the parts particularly quick and easy. As an alternative to a screw connection, a plug-in, snap-in, or clip connection can also be provided. A detachable connection is recommended here, which can be loosened and refastened by an operator even while on the move, for example in the event of a breakdown.

[0011] A plastic material, particularly a thermoplastic fiber-reinforced plastic, is advantageous for the impeller parts. This is easy to process yet still offers the required strength. Carbon fibers, for example, can be used as fiber reinforcement. The plastic is also lightweight. The impeller parts are particularly easy to manufacture if they can be processed using an injection molding process. This makes the impeller parts particularly simple and cost-effective to produce. If the material of the impeller parts is also recyclable, it is particularly environmentally friendly.

[0012] Further advantages and exemplary embodiments will become apparent from the following description, the dependent claims, and the drawings. The invention is illustrated in one exemplary embodiment in the drawings. They show:

[0013] Fig. 1 : two interconnected impeller parts in front view,

[0014] Fig. 2: the impeller parts along the section AA in Fig. 1 ,

[0015] Fig. 3: the inside of a wheel part from Fig. 1 and 2,

[0016] Fig. 4: the impeller parts from Fig. 1 to 3 in side view,

[0017] Fig. 5: the impeller parts from Fig. 4 spaced apart from each other,

[0018] Fig. 6: the impeller parts from Fig. 5 in perspective,

[0019] Fig. 7: a device according to the invention in side view,

[0020] Fig. 8: a mounted wheel with tyres and equipment in front view, Fig. 9: the wheel from Fig. 8 in longitudinal section,

[0021] Fig. 10: the impeller from Fig. 8 and 9 with an impeller part in exploded view.

[0022] Figs. 1 to 4 show two identical wheel parts 13 fastened to one another, forming a rim 10. The wheel parts 13 are arranged to one another by means of a screw connection 17 and form a rim base 11 with two rim shoulders 12 on their common outer circumference. In the center of the wheel parts 13, a receptacle 14 for a hub of a wheel 30 and / or a device 20 is provided, which has a plurality of recesses 15.

[0023] The precise structure of the two impeller parts 13 and their interaction during assembly can be seen in more detail in Figs. 5 and 6. The impeller parts 13 each have a plurality of inner plates 41 and outer plates 42 near their respective outer circumference 18. In the exemplary embodiment shown, the number of inner plates 41 and outer plates 42 is identical. The inner plates 41 are each arranged further inwards in the radial direction than the outer plates 42. If the two impeller parts 13 are brought into operative connection with one another, the inner plates 41 and outer plates 42 are aligned with one another in such a way that an inner plate 41 of one of the impeller parts 13 and an outer plate 42 of the other impeller part 13 are always opposite one another. When the wheel parts 13 are then assembled to form the rim 10, the inner plates 41 are positioned beneath the outer plates 42 so that they interlock. The outer plates 42 then form the base 40 of the rim base 11, as shown in Fig.4. The outer tabs 42 are shaped such that they form a single surface when the rim 10 is assembled. The outer contours of the outer tabs 42 are adapted to one another such that they almost or completely touch one another when the rim 10 is assembled.

[0024] Fig. 7 shows a device 20, namely a motor 24, which can be mounted in the area of ​​the hub of the impeller 30. A housing 21 can be seen, which is provided with several projections 22. If the motor 24 is to be arranged in the receptacle 14 of the impeller 30, it is first pushed into the receptacle 14. The projections 22 can be guided through the recesses 15 in the receptacle 14. Once the motor 24 has reached its position, it is rotated. As a result, the projections 22 on the housing 21 come into operative connection with the mating projections 16 on the impeller part 13, and the motor 24 is held on the impeller 30.

[0025] This can be seen in Figs. 8 and 9. Here, the wheel 30 is shown with two wheel parts 13, a device 20, and a tire 31. The tire is arranged in the rim well 11 between the two rim shoulders 12 on the rim 10. The device 20, which here is a motor 24, is arranged in the receptacle 14.

[0026] The attachment of the two wheel parts 13 to one another is clearly shown in Fig. 10. This shows a multitude of screws 17 by means of which the two wheel parts are secured together. If the tire 31 is now to be replaced, only the screws 17 need to be loosened and one of the wheel parts 13 removed. Since the rim shoulder 12 is firmly attached to the wheel part 13, this is also removed along with the wheel part 13, and the tire 31 can be pulled off the rim 10. Once the new tire 31 is mounted, the wheel part 13 can be reattached.

[0027] The device 20 also includes several screws 23 that connect and secure the housing 21 of the device 20 to an impeller part 13. Thus, the device 20 can be replaced simply by loosening the screws 23, without having to remove the impeller 30 or an impeller part 13.

[0028] Finally, it should be noted that the embodiments presented here are merely exemplary implementations of the invention. This is not limited to them. Rather, modifications and variations are still possible. List of reference symbols: Rim Rim base Rim shoulder Wheel part Receptacle Recess Counter projection Screw connection for 13 Outer circumference of 13 Device Housing Projection Screw connection for 20 Motor Wheel Tire Base of 11 Inner plate Outer plate

Claims

AMENDED CLAIMS received by the International Bureau on 6 March 2024 (06.03.2024) 5 1. Rim (10) for a wheel (30) which can be loaded with a tyre (31), the rim (10) having a rim base (11) and rim shoulders (12), the tyre (31) being mounted in the rim base (11) between the 10 rim shoulders (12) can be arranged, wherein the running wheel (30) is designed as a disc wheel and wherein the rim (10) consists of at least two running wheel parts (13) which can be releasably connected to one another and which form the rim (10) of the disc wheel 15 characterized in that the impeller parts (13) are individually removable, with at least one Part of one of the rim shoulders (12) with the wheel part (13) is also removable that the wheel parts (13) are each arranged offset from each other 20 inner plates (41) and outer plates (42) which, when the impeller parts (13) are arranged next to each other, alternately engage behind each other in a toothed manner, so that the inner plate (41) of an impeller part (13) is arranged further inwards in the radial direction of the impeller (30) than the outer plate (42) of this impeller part (13) 25 oppositely arranged wheel part (13) and that the outer tabs (42) of the wheel parts (13) form the bottom (40) of the rim base (11) in the assembled state of the rim (10). AMENDED SHEET (ARTICLE 19) 2. Rim (10) according to claim 1, characterized in that the rim (10) is formed from two mutually identical wheel parts (13).

3. Rim (10) according to one of claims 1 or 2, characterized in that during the disassembly of one of the wheel parts (13) one of the 5 rim shoulders (12) are completely dismantled.

4. Rim (10) according to one of claims 1 to 3, characterized in that the outer plates (42) and the inner plates (41) are arranged close to the respective outer circumference (18) of the wheel part (13).

5. Rim (10) according to one of claims 1 to 4, characterized in 10 that the outer tabs (42) are adapted to each other by their outer contours so that they touch each other completely or almost when the rim (10) is mounted.

6. Rim (10) according to one of claims 1 to 5, characterized in that an additional device (20) is provided, which in a 15 receptacle (14) can be releasably received in at least one of the impeller parts (13).

7. Rim (10) according to claim 6, characterized in that the device (20) has a housing (21) on which one or more projections (22) are arranged, while the receptacle (14) 20 has one or more recesses (15) through which the projections (22) can be guided during assembly and wherein by rotating the device (20) the projections (22) on the housing (21) can be brought into operative connection with counter-projections (16) on the rim (10) and thereby the device (20) can be held in the receptacle (14) 25 is.

8. Rim (10) according to one of claims 6 or 7, characterized in that the device (20) is arranged on the hub of the wheel (30). AMENDED SHEET (ARTICLE 19) 9. Rim (10) according to one of claims 6 to 8, characterized in that the device (20) is a motor (24) or a generator or a transmission.

10. Rim (10) according to one of claims 1 to 9, characterized in 5 that the impeller parts (13) can be fixed to one another and / or the device (20) can be fixed to at least one of the impeller parts (13) by a screw connection (17, 23).

11. Rim (10) according to one of claims 1 to 10, characterized in that the wheel parts (13) are made of a plastic, in particular of a 10 fiber-reinforced thermoplastic material.

12. Rim (10) according to one of claims 1 to 11, characterized in that the material of the wheel parts (13) can be processed and / or recycled by an injection molding process. AMENDED SHEET (ARTICLE 19)

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