DE202022001593U1 - Multi-track cargo transport vehicle - Google Patents

Abstract

Multi-track, pedal-crank operated vehicle (1) with a vehicle frame (28) made of metal, comprising a driver's seat (17), a driver's cab, a transport box (24) with bow and tarpaulin, a steering device, a panel, as well as a crank and pedals, characterized in that the transport box can be exchanged for other structures.

Description

field of invention

The invention relates to a pedal-operated vehicle, which consists of a frame on which two front wheels are arranged, which are coupled and connected to a steering system, and at least three rear wheels are arranged, of which at least one has a drive with pedals and/or an electric motor is connected, with at least one driver's seat, and a collapsible driver's cab and removable loading area construction, is arranged on the frame.

Background of the Invention

Various single-track and multi-track vehicles are already known, which are driven in an environmentally friendly manner purely by muscle power or in connection with an electric motor, for example via hand or pedal cranks and are designed as tricycles, cargo bikes, recumbent bikes or similar and can be driven by anyone without training, Do not exceed a design-related maximum speed, even on cycle paths and when using an electric motor.

There are multi-track vehicles, in particular cargo bikes, which are provided with three or four wheels and in which a loading area structure is arranged behind or in front of the driver.

Such vehicles have hitherto had a loading area that is too short to transport long, bulky objects and have a maximum of four wheels, two in the front and two in the rear.

object of the invention

The object of the invention is to provide a pedal-crank-operated vehicle over the prior art described, which is capable of transporting long, bulky loads, is flexible in use, environmentally friendly through recyclability, and is easy to construct and repair using a new drive concept with at least three wheels on the rear axle and is preferably designed as a cargo bike.

Summary of the Invention

All directional information relates to forward travel and normal use relative to the road surface.

The invention relates to a pedal-crank-operated vehicle, which comprises a frame, a driver's seat, a pedal crank, a power transmission from the pedal crank to the rear axle, a steering device, a loading surface structure and an electric auxiliary motor.

The invention relates in particular to cargo bikes with two wheels on the front axle and at least three wheels on the rear axle.

In particular, the invention relates to a five-wheeled cargo bike, which has two rigidly mounted front wheels, which have a defined distance and are connected to a handlebar by means of a steering construction, and has at least three rear wheels, which are connected to the frame at a defined distance, with a Wheel is mounted in the middle of the vehicle, and the other two wheels are spaced on the left and right of the middle wheel on the frame.

The rear center wheel must be attached to the frame by means of a spring-loaded and dampened rocker, on the one hand to prevent the vehicle from being crooked due to an unequal number of wheel contact points, and on the other hand so that the center wheel does not come into contact when driving over potholes or similar bumps in the road lost to the roadway.

The lateral rear wheels can be attached to the frame either permanently or by means of damped spring swingarms. The second embodiment is preferred so that bumps in the road are compensated for on the one hand, and on the other hand so that the entire vehicle can absorb vibrations if, for example, a front wheel rolls over a bump in the road and shock loads are therefore no longer transmitted entirely to the bearings of the rigid front wheel suspension.

Instead of three wheels, five wheels can also be attached to the rear axle, whereby the middle wheel remains untouched and the rear axle has an additional swing arm with wheel on the left and right.

The power transmission from the pedal crank to one or more rear wheels can be designed in particular by means of a traction mechanism in the form of a chain or a belt. Preferred embodiment is the direct transmission of power to the center wheel via a chain. The pedal crank is mounted centrally on the vehicle frame.

Another possible embodiment is power transmission from the chain to a shaft which is attached to the frame in front of the rear wheels and transmits the pedal power to a lateral rear wheel.

The electric auxiliary motor is preferably designed as a wheel hub motor in a lateral rear wheel. In other embodiments, for example when the power transmission of the chain takes place on a side wheel, the wheel hub motor is also located in the middle wheel or the opposite side wheel.

Alternatively, the engine may be mounted on the frame and, by means of a chain or belt transmission and freewheel gearing, drive a rear wheel which is not already being driven by human power.

The vehicle is steered by means of a steering construction, which is preferably designed as a trapezoidal steering system, with steering also being able to take place via a steering gear. The steering trapezoid is formed in particular from the wheel fork, headset, steering rods, steering arms and handlebars or steering wheel.

The vehicle has a driver's seat that is adjustable in position fore, aft, and height.

A removable loading platform structure is attached to the vehicle frame. In particular, this construction can be exchanged for a different type of loading area construction in a few simple steps.

Various designs are conceivable as a loading area construction. Preferably, a loading area construction is attached, which is designed as a box that is open at the top, is designed to the front and side by side walls and to the rear by an openable, foldable or pivoting side wall and is also designed to be rainproof by a detachable structure consisting of bows and tarpaulins is.

According to the invention, instead of the open loading area construction described, a closed transport box, a camping attachment, a loading area with stanchions, a loading area with bows and tarpaulin or another type of loading area construction can be attached to the frame, so that the vehicle can fulfill a wide variety of purposes.

According to the invention, the loading area structure is arranged behind the driver on the vehicle frame.

The preferred truck bed construction is constructed of wooden planks or panels that are weather treated. The wooden parts are connected using connecting elements such as metal brackets or wooden structures, which ensure the stability of the box.

The preferred loading area construction has holes in the side walls at regular intervals in order to attach the optional bow for a rain-protecting tarpaulin by means of screws.

The preferred loading area construction has round buttons attached at regular intervals on the outside of the side walls, by means of which the tarpaulin can be tensioned using an elastic band.

In the preferred embodiment of the loading area, the rear wall can be folded down by attached hinges and locked in the closed state. The locking can take place via spring mechanisms, angle levers or, as in the preferred form, via bolts.

Instead of wood, the loading surface structure can also be made of other materials or a combination thereof, for example aluminum, steel, plastics or composite materials if these are recyclable.

In the preferred embodiment, the driver's seat is surrounded by a demountable driver's cab, which is attached to the frame, to protect it from the weather.

The driver's cab is preferably formed from a front part, several side parts and doors, a rear wall, a windshield, a roll bar, a window frame and a roof, with each part being removable from the frame.

The windshield is preferably made of toughened safety glass, which is cut in a trapezoidal shape. In other embodiments, multi-pane safety glass or other pane shapes are also conceivable.

According to the invention, the windshield with the surrounding rubber seal is inserted from below into a steel pane frame and fixed from below by means of a further frame part made of steel.

A hand-operated windshield wiper is attached to the windshield frame. In further embodiments, a windscreen wiper with an electric motor can also be used, or other materials for the windscreen frame, such as aluminum, plastic or composite materials.

The doors of the driver's cab are preferably fixed to the vehicle frame, can be swiveled to the side, are provided with windows and have an opening and closing mechanism.

The doors are preferably made of hard PVC panels using a frame made of L and T profiles, also made of hard PVC. The windows are preferably made of PET panels. The individual parts are connected by means of gluing, welding or positive or non-positive connections; in the preferred embodiment by means of gluing.

In the preferred embodiment, the doors have a number of bolts as the closing mechanism, which can be actuated directly from the inside. From the outside, these can be actuated with a pin through small openings in the door skin.

As an opening mechanism, the doors have a handle on the outside with an operating lever, which is connected to one of the bolts of the locking mechanism.

The front part of the driver's cab is attached to the vehicle frame over his legs to protect the driver from the elements. According to the invention, the front part, in addition to providing protection against the weather, ensures that rainwater that runs down the windshield is drained off.

The front part is made of hard PVC panels and consists of two side parts (fenders), a hood and decorative strips. The individual parts are preferably connected by means of gluing and/or positive connection by means of screws. Individual parts can be folded so that there are overlapping areas of molded parts that are joined together. However, other forms of connection are also conceivable.

The fenders have a circular cut-out for the front wheels and are folded inwards at the edges.

According to the invention, the hood of the front part has a rain gutter for rainwater which runs down from the windshield. For this purpose, the hood has a drain that is glued to the hood from below and is clamped under the lower frame of the windshield.

The trim strips each cover the connection folds of hood and fenders and take the screws with which the fenders and hood are connected to the folds. The strips are preferably made of brushed aluminum.

The roof is preferably made of a hard PVC panel, which is reinforced from below with T and/or L profiles made of hard PVC by gluing. Furthermore, according to the invention, the roof has holes through which it is fixed on the one hand to the windshield frame and on the other hand to the roll bar. Screws are preferably used for fixing, but other types of fixing are also conceivable, such as quick-release fasteners, toggle fasteners or bolts.

The rear wall is preferably made of PVC tarpaulin and is provided with a rectangular cut-out for a window with rounded corners and has eyelets for tensioning the tarpaulin on the round buttons on the side walls of the transport box and other eyelets for fixing to the roll bar. The tarpaulin has a PET-G plate that covers the cut-out. This plate is fixed to the PVC tarpaulin by means of adhesive.

In addition to the driver's cab, the vehicle has side and rear paneling made of hard PVC panels, which have decorative strips and are attached to the frame with screws. In other embodiments, clip closures, adhesives or other connection methods can also be used.

Another aspect concerns the lighting system of the vehicle. According to the invention, the vehicle has receptacles for battery-operated plug-in lights on the left and right at the front on the front part and at the rear on the side walls of the transport box.

This ensures self-sufficient lighting regardless of the charge level of the traction battery and driving speed. Lighting powered only by a dynamo, which does not work when the vehicle is stationary, is a safety risk given the size of the vehicle, so only battery-operated lighting comes into question, which can be quickly equipped with spare batteries to be carried along. Other systems use the voltage from the traction battery, but failures can occur here.

• 1 ist eine perspektivische Ansicht des gesamten Fahrzeuges mit Transportkiste, Plane und Spriegel, Fahrerkabine und Verkleidung.
• 2 ist eine perspektivische Ansicht des Fahrzeuges mit Fahrerkabine, Transportkiste und Verkleidung.
• 3 ist eine perspektivische Ansicht des Fahrzeuges mit Fahrerkabine (ohne Türen und Rückwand), Transportkiste und Verkleidung.
• 4 ist eine perspektivische Ansicht des Fahrzeuges mit Transportkiste und Verkleidung, ohne Fahrerkabine (Cabrio).
• 5 ist eine perspektivische Ansicht des Fahrzeugrahmens ohne Fahrerkabine, Verkleidung und Transportkiste.
• 6 ist eine perspektivische Ansicht des Fahrzeugrahmens mit Windschutzscheibenrahmen.
• 7 ist eine perspektivische Teilansicht des hinteren Bereiches des Fahrzeuges, welche den Antrieb detailliert darstellt.
• 8 ist eine Ansicht von unten auf eine Aufnahme einer Hinterradschwinge im eingebauten Zustand.
• 9. ist eine perspektivische Teilansicht des hinteren Bereiches des Fahrzeugrahmens, welche im Detail zusätzliche Hinterradschwingenaufnahmen darstellt.
• 10 ist eine perspektivische Teilansicht des vorderen Bereiches des Fahrzeuges, welche die Lenkung im Detail darstellt.
• 11 ist eine perspektivische Ansicht der Grundplatte der Transportkiste.
• 12 ist eine perspektivische Ansicht des Windschutzscheibenrahmens mit Halteschiene und Dichtung.
• 13 ist eine perspektivische Ansicht der Halteschiene.

The invention is described below using exemplary embodiments with reference to the drawings 1 until 13 explained.

• 1 is a perspective view of the entire vehicle with transport box, tarpaulin and bow, driver's cab and panelling.
• 2 12 is a perspective view of the vehicle with the driver's cab, shipping box and trim panel.
• 3 is a perspective view of the vehicle with driver's cab (without doors and rear wall), transport box and paneling.
• 4 is a perspective view of the vehicle with transport box and paneling, without driver's cab (convertible).
• 5 Figure 12 is a perspective view of the vehicle frame without the cab, trim and shipping box.
• 6 12 is a perspective view of the vehicle frame with windshield frame.
• 7 Figure 12 is a partial perspective view of the rear of the vehicle detailing the power train.
• 8th FIG. 12 is a bottom view of a rear wheel swingarm mount in the installed state.
• 9 . 12 is a partial perspective view of the rear portion of the vehicle frame detailing additional rear swingarm mounts.
• 10 Figure 12 is a partial perspective view of the front of the vehicle detailing the steering.
• 11 Figure 12 is a perspective view of the base of the shipping crate.
• 12 Figure 12 is a perspective view of the windshield frame with support rail and seal.
• 13 12 is a perspective view of the support rail.

1 shows a perspective view of an embodiment of a vehicle according to the invention, which is designed as a multi-track cargo bike 1.

The cargo bike 1 includes a frame 28 to which all other parts of the vehicle are attached.

On the front axle, the cargo bike 1 includes a wheel 2 on the left and right, each of which is suspended in a fork 3 . Details about the steering of the front wheels are hidden here by the front hood 15.

In this exemplary embodiment, the cargo bike 1 has three wheels 9 on the rear axle. One on the outside on the right, one in the middle and one on the outside on the left. The drive takes place via a hub motor in a wheel 9 on the left or right and via a chain coming from a pedal crank to a central wheel 9. Details about the drive are hidden here by the transport box 24.

The rear part of the cargo bike 1 includes a transport box 24, on which round buttons 23 are attached to the left and right circumferentially on the outside of the side walls, as well as indicators 8 and tail lights 12 in the middle outside of the side walls.

The cargo bike 1 has a panel consisting of a fender 4 and a side part 7, each on the right and left, and a rear apron 10, front hood 15 and front apron 13, each consisting of hard PVC panels.

On the front hood 15 holders for battery-powered headlights 14 are attached left and right.

The cargo bike 1 includes a driver's cab, which consists of a removable roof 19, a door 5 with a door handle 6, each on the left and right. The roof is fastened to the frame 28 with three screw connections 20 and hooked into the windshield frame 29, welded to the frame 28, with the windshield made of single-pane safety glass 18, in two roof-securing threaded bolts 68. The tarpaulin 21 is also fastened to the three screw connections 20 and is fastened to the left and right of the surrounding round knobs 23 by means of a tightening strap 11 and is supported by a bow as a substructure (not shown).

The cargo bike 1 includes a driver's seat 17, which is fixed on the frame 28 and a bicycle handlebar 16, which is connected to the steering of the front wheels (not shown).

2 shows the cargo bike 1 in a perspective view, with the tarpaulin and bows now being removed, but instead a tarpaulin is attached as a rear wall to the driver's cab.

The vehicle has a removable transport box 24, which comprises circular knobs 23 running around on the left and right for tensioning tarpaulins or load securing, as well as transport box securing screws 67 (not all shown).

A PVC tarpaulin is attached to the frame 28 as a rear wall 22 with a viewing window made of plastic.

3 shows the cargo bike 1 in a further embodiment variant, now without doors and rear wall of the driver's cabin, in a perspective view. The roof 19 is also used for sun protection

4 shows the cargo bike 1 in a further embodiment variant, now without doors, rear wall and roof of the driver's cab (convertible) in a perspective view.

An accumulator 25 for an electric pedaling aid is fitted inside the transport box 24 on the front end wall.

5 now shows the cargo bike 1 without fairing, driver's cab, transport box and driver's seat.

The cargo bike includes a frame 28 and pedals 27 and a drive pinion 26, which is driven by muscle power via a pedal crank 62 connected to the pedals and transmits the power backwards to the middle wheel 9 via the chain 63.

6 shows the frame of the cargo bike with the windshield frame and its seal as well as the retaining rail for the windshield.

The windshield frame 29 is welded onto the frame 28 . The retaining rail 71 holds the windshield 18 with its foam rubber seals 69 in place.

In the frame 28 there are transport safety screw holes 31 for receiving the transport safety screws and roof safety screw holes 30 for receiving the roof safety screws.

7 shows a perspective partial view of the cargo vehicle 1 in the rear area without transport box and paneling.

Two rear wheel swing arm mounts 35 are welded to the frame 28 for each rear wheel swing arm 33 . For three wings, this results in six recordings.

A deflection roller 39 is attached to the frame 28 to guide the chain 63, which drives the drive pinion 32, and a ball bearing 34 is also seated in a bearing housing 58.

A swingarm spring damper mount 36 is attached to the rear wheel swing arm 33 and a frame spring damper mount 38 to the frame 28, with the spring damper 27 sitting between the mounts 36 and 38.

8th shows a partial view from below of a rear wheel swing arm mount with rear wheel swing arm in the installed state.

Rear wheel swingarm mounts 35 are welded to frame 28 . A shaft 57 into which threaded bolts 61 are screwed is guided through the bearing of the rear wheel swing arm 33 in the bearing housing 58 .

The rear wheel swing arm with the protruding threaded bolt is hooked into the mount and fixed using nut 59 and lock nut 60.

9 shows a perspective partial view of the rear area of the vehicle frame in a further embodiment with additional rear swingarm mounts.

Additional swing arm mounts 64 are welded on to the left and right inside of the outer rear wheel swing arm mount 35, as well as additional spring damper mounts 65.

In the frame 28, transport box securing screw holes 31 are introduced and frame spring damper mounts 38 are attached to the frame.

10 shows a perspective partial view of the front area of the vehicle frame with an illustration of the steering.

The steering and its geometry is designed as a steering trapezoid, which consists of a tie rod 40, ball joint 41 and 51, a fork stem 45, a steering lever 46, a shock absorber 47 with bracket 48 and a steering plate 50.

The fork 3 is guided in a fork bearing tube 43 using a fork foot bearing 42 as a fixed bearing and a fork head bearing 44 as a floating bearing. The steering lever 46 is bolted to the fork stem and thus forms the connection to the wheel.

The handlebar 16 is held by a handlebar stem 56 . This is connected to a steering tube 52 by means of a standard bicycle headset in inch dimensions, the steering tube 52 is guided in the steering bearing tube 54 by means of a steering head bearing 55 and steering foot bearing 53. On the steering trapezoid side, the steering tube is guided through a steering plate 50 and welded to it; for guiding and mounting the steering tube, a bearing block 49 with a ball bearing (balls not shown) is attached to the frame 28, and the end of the steering tube is mounted in this.

11 shows a perspective partial view of the base plate of the transport box.

The shipping crate base plate 66 is secured to the frame with six shipping crate locking lugs 67 .

12 shows a perspective view of the windshield frame with some additional attachments.

The windshield frame 29 includes a roof securing threaded bolt 68 on the upper part to secure the roof, the windshield 18 is surrounded by a circumferential foam rubber seal 69 and is held in position by a retaining rail 71, secured by retaining rail securing screws 70.

The windshield frame 29 and the windshield 18 have the shape of a trapezium.

13 shows a perspective view of the retaining rail for fixing the windshield in the windshield frame.

The support rail 71 includes a triangular sheet metal 72 with bores for the support rail securing screws.

With the invention, a cargo bike could be designed that is multifunctional, in which the driver and load are completely protected against the effects of the weather, a new type of drive is installed, and the problem is solved that the market for bicycle tires only offers tires with a limited load capacity, which limit the permissible total weight of previous vehicles.

reference list

1

cargo bike

2

front wheel

3

Fork

4

fender

5

cab door

6

door handle

7

side panel

8th

indicator

9

rear wheel

10

rear apron

11

tension rope

12

tail light

13

front apron

14

headlight

15

front hood

16

handlebars

17

driver's seat

18

windshield

19

roof panel

20

roof locking screws

21

PVC tarpaulin

22

PVC back panel

23

round button

24

transport box

25

accumulator

26

drive pinion

27

pedal

28

main frame

29

windshield frame

30

Roof locking screw hole

31

Crate securing screw hole

32

output gear

33

rear swingarm

34

ball-bearing

35

rear swingarm mount

36

Swingarm spring damper mount

37

spring damper

38

Frame spring damper mount

39

pulley

40

tie rod

41

Steering Arm Ball Joint

42

fork foot bearing

43

fork bearing tube

44

clevis bearing

45

fork stem

46

fork steering arm

47

shock absorber

48

shock mount

49

bearing block

50

steering plate

51

Steering plate ball joint

52

steering tube

53

Steering tube foot bearing

54

steering bearing tube

55

steering head bearings

56

handlebar stem

57

inner shaft

58

bearing housing

59

mother

60

locknut

61

threaded bolt

62

crank

63

Chain

64

Auxiliary swingarm mount

65

Auxiliary spring damper mount

66

Transport box base plate

67

Shipping crate lock bolts

68

Roof securing threaded bolt

69

foam rubber sealing profile

70

support rail locking screw

71

support rail

72

triangular plate

Claims (14)

Multi-track, pedal-crank operated vehicle (1) with a vehicle frame (28) made of metal, comprising a driver's seat (17), a driver's cab, a transport box (24) with bow and tarpaulin, a steering device, a panel, and pedal crank and pedals, characterized in that the transport box can be exchanged for other structures. Vehicle according to the preceding claim, characterized in that the rear axle has at least three wheels (9). Vehicle according to one of the preceding claims, characterized in that the number of rear axle wheels can be increased to five wheels, in particular by means of additional wheel mounting devices (64, 65) on the rear lower cross member of the vehicle frame. Vehicle according to one of the preceding claims, characterized in that the rear wheels (9) are seated in a rear wheel rocker (33). Vehicle according to one of the preceding claims, characterized in that the rear wheel swing arm (33) is suspended in the vehicle frame (28) in the rear wheel swing arm mount (35). Vehicle according to one of the preceding claims, characterized in that the rear wheel swing arm (33) is designed such that a fixed-loose bearing (34) sits in a bearing housing (58) through which an inner shaft (57) is guided, in which Threaded bolts (61) are screwed into the ends of the inner shaft on both sides, which are used to hang the rear wheel swing arm in the rear wheel swing arm mount. Vehicle according to one of the preceding claims, characterized in that power is transmitted from a pedal crank (62) with pedals (27), via drive pinion (26), chain (63) and output pinion (32) to the central rear wheel (9). Vehicle according to one of the preceding claims, characterized in that one of the two lateral rear wheels (9) can have an electric hub motor which enables electric pedal assistance. Vehicle according to one of the preceding claims, characterized in that the paneling (7, 10, 15), the doors (5) and the roof (19) are made of hard PVC panels. Vehicle according to one of the preceding claims, characterized in that it has a driver's cab that can be dismantled, in which in particular the doors (5), the rear wall (22) and the roof (19) are designed to be removable. Vehicle according to one of the preceding claims, characterized in that the steering is designed as a fork head steering, in particular by connecting two forks (3) to one another via tie rods (40), ball joints (41, 51), steering plate (50), steering lever (46) and fork stem (45) at the upper end of the forks, guided in particular by a fork bearing tube (43) with bearings (42,44). Vehicle according to one of the preceding claims, characterized in that it has a windshield frame (29) consisting of inwardly opening metal U-profiles, which is in particular trapezoidal in shape. Vehicle according to one of the preceding claims, characterized in that a trapezoidal windscreen (18) made of safety glass, in particular comprising a foam rubber seal (69), is pushed into the frame from below in the windscreen frame (29) and has a retaining rail (71). , which holds the disc in position. Vehicle according to one of the preceding claims, characterized in that the retaining rail (71) has triangular metal sheets (72), in particular with holes in the sheet metal for locking screws (70).

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