DE102008041914A1 - Chassis for a three- or four-wheeled vehicle and a vehicle equipped with such a chassis - Google Patents

Abstract

The invention relates to a chassis for a three- or mehrrädriges vehicle, comprising: - a central frame part; a wheel axle designed to carry at least one wheel; - Drive means for driving the wheel axle; - A suspension construction for suspending the wheel axle in the central frame part. The suspended structure comprises at least one bushing which is rotatably suspended in the hanging construction drivable by the drive means. The wheel axle can be inserted through one end in the socket and is fixed therein with fastening means, without affecting the drive means. The invention further relates to a vehicle equipped with such a chassis and a series of substantially identical chassis and various vehicle parts that can be coupled to the vehicle via standard coupling means.

Description

The The invention relates to a chassis for a three- or vierrädriges Vehicle, for example, a go-cart.

One such chassis is known. In general, it includes a central Frame part, at least one wheel axle and drive means for driving this at least one wheel axle. As a rule, the chassis becomes at a first place where the manufacturing costs are low, and then moved to a second location where the chassis is assembled to make a vehicle and is sold. Alternatively, at least part of the assembly process may already be take place in the first place. In both cases, the transport costs between the first and the second place relatively high, since the chassis, which may be partially assembled or not, relatively much space occupies. As a result, at least part of that goes through the lost production cost lost advantage.

The The invention relates to the provision of a chassis of the above-mentioned Type, which mentioned for the known chassis Disadvantage is reduced. For this purpose, an inventive Chassis characterized by the features of claim 1.

by virtue of a suspension construction according to the invention a driven wheel axle may be mounted in a chassis, without the drive means driving the respective wheel axle provides to affect. As a result, can the wheel axle quickly without any special skill, complex assembly operations and / or complex assembly tools at a relatively low cost to be provided. This offers the possibility of Production of the chassis at a first location and its transport with degraded wheel axle or degraded axles to a second Place. There, in the disassembled state, the or each wheel axle next to the central Can frame part, the chassis can thus in an extremely be transported in a compact manner, thus saving on transport costs can be. For the same reason can also the storage costs will be lower.

To Arriving at the destination can make the or each wheel axle easy be mounted in the manner mentioned above. Thus, can For example, a substantially T-shaped chassis with a driven wheel axle are made for, to Example, a three-wheeled vehicle. On a similar one Way, a substantially H-shaped chassis, with two Wheel axles are formed, of which, for example, for a four-wheeled vehicle, at least one is driven.

To According to one aspect of the invention, the central frame part has a relative slim elongated shape. In this description understands one taking a relatively slender elongated shape that It is meant that the frame part a much larger Size in one direction, the longitudinal direction, than in the other directions. With such a frame part in connection with one or two axles can a stable T-shaped or H-shaped chassis are formed. For the The purpose of transport and storage can be through this chassis Disassembling the wheel axles converted into very compact packages become. The frame part may be tubular, for example, and, if desired, with coupling means, such as openings for coupling different vehicle parts or accessories, such as seat arrangements, control arrangements, body parts or the like, be equipped.

To In another aspect of the invention, the fastener, attached to the wheel axle in the hanging structure can be of detachable construction. As a Result, the respective wheel axle can be repeatedly assembled and be disassembled. This may be the ease of use for increase an end user, for example because he is the Store and / or transport the vehicle in a compact manner.

The Drive means can be a crankshaft and simple transmission means include, such as a rope or a chain with which the socket in which Wheel axle is picked up, can be driven. Alternatively, you can be made use of a side wave, preferably between the drive shaft and the driven wheel axle is arranged.

The Socket or the secondary shaft can be equipped with an acceleration mechanism be provided with which a user various ratios set between the drive shaft and the driven wheel axle can. Additionally or alternatively, the socket or the Nebenwelle be provided with a brake mechanism.

The Transmission means are preferably constructed so that the direction of travel the wheel axle is reversible, so that a vehicle equipped therewith can drive forwards and backwards.

The The invention further relates to a vehicle comprising a vehicle according to the invention Chassis is provided.

The invention further relates to a series of a plurality of chassis according to the invention and a plurality of vehicle components, such as wheels, seat arrangements and control arrangements. With such a series, starting from a kind From chassis a large number of different vehicles are assembled by combining this chassis with various vehicle components. The chassis can be manufactured relatively cheaply at a first location and then completed at a second location. Due to the choice of different vehicle parts, it is possible to respond flexibly to changes in demand.

In the further subclaims are further advantageous Embodiments of an inventive Chassis and a vehicle equipped with it described. In The explanation of the invention will be exemplary embodiments a chassis according to the invention and the use thereof described in further detail on the basis of the drawing. Show it:

1 a chassis according to the invention in a perspective plan view;

2 the chassis of 1 in perspective view from below;

3 the chassis of 1 and 2 in disassembled condition;

4 a vehicle equipped with a chassis according to the invention;

5 a variant of the vehicle of 4 in disassembled condition; and 5 the vehicle of 4 in the packed state.

The 1 - 3 show a chassis according to the invention 1 , and 4 shows a vehicle built with it 10 , The chassis according to the invention 1 includes a relatively slender elongated central frame part 3 and at least one driven wheel axle 4 which may be a front or rear axle. Furthermore, the chassis includes 1 a hanging structure 2 for hanging the wheel axle 4 from the central frame part 3 and drive means 5 for driving the wheel axle 4 ,

In the exemplary embodiment shown, the drive means comprise 5 a drive shaft 6 at a distance from the wheel axle 4 in the central frame part 3 superimposed and with the wheel axle 4 about the transmission means to be further described below 7 is coupled. The drive shaft 6 For example, it can be a crankshaft driven by pedals 8th is drivable.

In the illustrated embodiment, the hanging structure comprises 2 two opposite wings 15a , b with one end of the central frame part 3 connected, and a jack 14 that with the help of bearings 16 rotatable between these wings 15a , b is hung up. The shape and size of the wheel axle 4 and the socket 14 are coordinated so that the wheel axle 4 over one end through the socket 14 can be introduced, what, by the fasteners 20 , the wheel axle in the socket 14 can be fixed in the axial direction and in the direction of rotation. The fasteners 20 may include a pin or bolt passing through the socket 14 and the wheel axle 4 (not shown) can be inserted in a substantially radial direction. Additionally or alternatively, the wheel axle 4 and the socket 14 or at least part of its outer circumference or inner circumference together with one or more profiles, such as a projection 21 and / or a notch 22 (as in 3 shown), which can engage in the assembled state, be provided.

Alternatively, a pin or split pin can be used. The fasteners 20 can also have one or more setting rings 23 include, for example, with a first pin on the socket 14 attached and with a radial clamping bolt around the wheel axle 4 can be clamped. Alternatively, the wheel axle 4 at a part of the camps 16 be attached to the socket 14 is fixedly connected. Many other fasteners 20 are possible.

On the socket 14 is a sprocket 12 provided, the part of the aforementioned transmission means 7 forms. In a simplest embodiment, the transmission means 7 continue a sprocket 11 on the crankshaft 6 is provided, and one around the sprockets 11 . 12 chain led around 13 include. With this, the socket can 4 with the wheel axle 4 in it directly through the drive shaft 7 are driven.

According to an alternative embodiment, between the drive shaft 6 and the driven wheel axle 4 a side wave 9 be provided, as in the 1 - 3 shown. This spur 9 is between the wings 15a , b, substantially parallel to the bushing 14 rotatably suspended. The secondary wave 9 is with at least two sprockets 17 . 18 provided, one of which (sprocket 17 ) through the crankshaft 6 over a first chain 13 is driven, and the other (sprocket 18 ), which is the socket 14 drives, over a second chain 19 is driven.

If desired, the drive shaft 6 , the side wave 9 and / or the socket 14 each with a plurality of sprockets (not shown) with mutually different diameters, between each of which chains 13 . 19 provided with a chain circuit (not shown) provided thereon, may be provided. Thus, between the crankshaft 6 and the wheel axle 4 various Gear ratios are set.

Of course, other types of transmission means 7 for transmitting the rotations of the drive shaft 6 on the wheel axle 4 be provided. Furthermore, the socket 14 or the secondary wave 9 be provided with a Bremsvorkehrung, which can be activated for example by a reverse pedal movement, as in DE 10023856 described. Alternatively, the braking device may be constructed so that the operating direction of the drive means 5 reversible, so the wheel axle 4 can be driven forwards and backwards. For this purpose, the braking device may be designed, for example, as a brake shoe or brake block provided with operating means provided thereon, in the contact and out of contact with the auxiliary shaft 9 , the wheel axle 4 and / or the wheels coupled thereto.

The hanging structure 2 described above offers the advantage that thus a driven wheel axle 4 just in the chassis 1 can be mounted without the drive means 5 be affected for that purpose. As a result, for mounting the wheel axle 4 no special tools or special knowledge required. The assembly can be done quickly and at low cost. As a further result, the drive means 5 in a protective housing 25 as it is in 5 is apparent, be included.

Due to the above-mentioned assembly possibility, a chassis according to the invention 1 with disassembled wheel axle 4 or disassembled axles 4 be delivered. As a result, the chassis 1 be packed very compact, as in 6 shown while a length L and a width B of the pack 30 are preferably dimensioned so that they fit, without leaving room, many times on a (Euro) range. As a result, transportation and storage costs can be minimized. This offers the possibility of the chassis 1 in a place where the manufacturing cost is relatively low, even if this place is in itself at a relatively large distance from the possible place of sale and / or use. However, this leads to additional transport costs, but these do not outweigh the added benefit that can be achieved with the low manufacturing cost.

According to an alternative embodiment (not shown), the or each wheel axle 4 only carry a wheel. For this purpose, the wheel axle 4 that in the 2 . 3 and 5 is shown as being divided into two parts, each having one end in one end of the socket 14 introduced and therein with the above-mentioned or similar fasteners 20 can be attached. As a result, the maximum dimensions of the disassembled chassis 1 even further reduced if the linear dimension of the wheel axle 4 the indicator is. In this case, the socket 14 also consist of two parts. If desired, these parts can be coupled together via a differential gear.

The fasteners 20 can be of detachable construction. This offers the advantage that an end user the wheel axle 4 or the wheel axles 4 easily disassemble itself, for example, for the purpose of compact transport or compact storage. Alternatively, the attachment means 20 to be of indestructible construction. Then, assembly at the destination can be performed once by the manufacturer or the retailer. Thus, the manufacturer retains the transport and storage advantage described above and can continue to provide the final assurance as to the correct assembly of the wheel axle 4 and the related safety of the chassis 1 carry out.

The chassis embodiments described above may be in a go-cart vehicle, for example 10 as in the 4 - 6 shown to be used. In this application forms the driven wheel axle 4 a rear axle of the vehicle 10 , The vehicle 10 further includes a front wheel axle 24 , a tax precaution 26 and a seating arrangement 27 , These parts can be attached to the chassis with simple fasteners 1 (this in 6 in housing 25 received) in openings provided thereon 27 ( 1 ). be attached. These openings 27 are preferably placed so that hereby the position of the Sitzvorkehrung 27 and / or the tax provision 26 are adjustable to a certain extent.

It is expressly noted that a chassis according to the invention 1 can be used in other types of vehicles, which may for example comprise only three wheels, two of which by a wheel axle according to the invention 4 can be driven. This can be a front wheel axle or a rear wheel axle.

The The invention shown is in no way that of the description and the drawings illustrated embodiments limited. All combinations (parts of) of described and / or Of course, it will be understood under the inventive concept. Furthermore, there are variations within the scope of the invention as set forth in the following claims is possible.

QUOTES INCLUDE IN THE DESCRIPTION

This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Cited patent literature

• - DE 10023856 [0026]

Claims (14)

A chassis for a three- or multi-wheeled vehicle, this includes: A central frame part; - one Wheel axle designed to carry at least one wheel; - Drive for driving the wheel axle; - a hanging structure for suspending the wheel axle in the central frame part, the hanging construction comprising at least one bush, which is suspended in the suspended structure rotatably is, which is drivable by the drive means, and wherein the Wheel axle with one end thereof can extend into the socket and can be fixed therein with fastening means, without the drive means to impair. A chassis according to claim 1, wherein the central frame part has a relatively slender, elongated shape. A chassis according to claim 1 or 2, wherein the Wheel axle can extend through the bush and to carry a wheel is designed at both ends. A chassis according to any one of the preceding claims, wherein the chassis, as seen in plan view, a substantially T-shaped or H-shaped. A chassis according to any one of the preceding claims, wherein the or each wheel axle is in a disassembled state close to the central frame part lies. A chassis according to any one of the preceding claims, wherein the fastening means are removable. A chassis according to any one of the preceding claims, wherein the drive means comprise a crankshaft. A chassis according to any one of the preceding claims, wherein the direction of rotation of the drive means is reversible. A chassis according to any one of the preceding claims, wherein the drive means include a brake mechanism. A chassis according to any one of the preceding claims, wherein the drive means comprise a secondary shaft which is in the suspended structure rotatable, is arranged substantially parallel to the socket. A chassis according to any one of the preceding claims, the chassis consisting essentially of tubular parts is constructed. A vehicle that has a chassis after one of the previous ones Claims. A vehicle according to claim 12, wherein the vehicle a go-cart is. A series of a variety of chassis from the Essentially the same type according to one of the claims 1-11 and a variety of different wheels, a variety of different seating arrangements and a variety of different tax arrangements, with the wheels, the seat arrangements and the tax arrangements at the respective Chassis are coupled by means of standardized coupling means, to make a great variety of different vehicles with a type of chassis.