Tricycle

FIELD: transport engineering; freight tricycles.

SUBSTANCE: invention relates to folding freight cycles designed for riding at reclining and with drive to front wheel. Transmission of proposed cycle consists of two strands of chain and/or belt drives interconnected by propeller shaft 16 or flexible shaft. Center 17 of cross of propeller shaft 16 is located on turning axle of front wheel fork 3 which is made in form of turned-over Y letter. Carrying frame consists of beam 1 and container interconnected by detachable joint. Cover of container is made in form of folding chair. Chain of first strand of drive is placed inside box beam 1. Second strand of drive is installed on fork 3 and it engages drive sprocket 12 in aperture 24 of vertical section of fork 3.

EFFECT: reduced overall dimensions of transmission and load on fork.

9 cl, 11 dwg

 

The invention relates to vehicles with a muscular drive, in particular to a three-wheeled bikes, made by the scheme with one front and two rear wheels.

Known technical solution adopted as a prototype (EN, C1, No. 2087367, 1997), which is a tricycle containing carrier frame, the front leading managed wheel, two rear wheels, a steering wheel, a pedal drive and the transmission front drive wheel.

The technical result, which is aimed invention is to create a sustainable, convenient operation, compact when carrying a driver and transportation, easy and fast folding of a vehicle driven by muscle power of the driver.

This technical result is achieved by the fact that in tricycle containing carrier frame, the front leading managed wheel, two rear wheels, a steering wheel, a pedal drive and the transmission front drive wheel, the transmission is performed, consisting of two branches of the chain and/or belt drives, connected by a cardan or flexible shaft.

The bike may have a modular sectional design.

The support frame may comprise interconnected by means of detachable connections of the beam and the container.

The PTO and the flexible shaft can be installed on the fork of the front wheel.

The center of the spider drive shaft may be located on the axis of rotation of the fork of the front wheel.

Fork of the front wheel may be made in the form of an inverted "U".

Branch chain drive, including the drive sprocket pedal drive chain and driven sprocket cardan or flexible shaft may be located inside the beam with a closed box section.

The wheel can be connected to the fork of the front wheel through a universal joint.

Cover the container may be made in the form of folding chairs.

The support frame may be provided with an additional power element mounted between the beam and the container, with additional power element connected to the container with the ability to be moved and fixed in different positions to allow adjustment of the bike under growth driver.

The invention is illustrated by drawings, where figure 1 shows a General view of the bike at the side view; figure 2 - General view of the bike from a top view; figure 3 is a section a-a figure 1; figure 4 - transmission in axonometric projection; figure 5 - scheme of division of the bike for placement in the container; at 6, 7 and 8 - packing scheme of the parts of the bike inside the container; figure 9 is a container placed inside the parts of a Bicycle for transportation or storage; figure 10 - the green mount rear wheels; figure 11 is a General view of the bike at the side view, with additional power element of the frame.

Tricycle (hereinafter - the bike) contains a carrier frame consisting of beams 1 and container 2, which are interconnected by means of detachable connections. The plug connection can be flanged or telescopic. With flange connection beam 1 and the container 2 are connected at the ends by means of bolts barackobama nuts. Bolt connection involves telescopic coupling beams 1 and container 2, i.e. the part of the beam 1 is in response to her portion of the container 2, while the mating part of the beam 1 and the container 2 have holes, vertical or horizontal, in which, after their combination are inserted bolts with barackobama nuts.

The container 2 is a multifunctional design element, as it performs the following functions:

- supporting part of the structure on which are mounted the rear wheels;

container for carrying the folded bike;

- Luggage compartment;

- the driver's seat with adjustable seat angle and backrest.

On beam 1 set fork 3 of the front wheel 4, wheel 5, the pedal actuator, including pedal 6, which via a connecting rod 7 mounted on the pedal shaft 8 of the transmission. Fork 3 of the front wheel 4 is made in the form of an inverted "U". is what the execution of the fork 3 provides a more clever layout of the transmission by reducing the dimensions. In addition, placement of the sprocket 12 on the vertical part of the fork 3 in the opening 24 reduces the load on the fork 3, because in this case the installation of the sprocket 12, unlike the console installation, eliminates the occurrence of the additional bending moment.

The transmission includes two branches of the chain and/or belt drives. The first branch chain or belt drive includes the drive sprocket (or pulley) 9, mounted on the shaft 8, the driven sprocket (or pulley) 10, which are respectively equipped chain (or belt) 11. The second branch of the chain or belt drive includes the drive sprocket (or pulley) 12 mounted on the fork 3 of the front wheel 4, and the driven sprocket (or pulley) 13 bushing 14 of the front wheel 4. Leads 12 and the slave 13 sprockets (or pulleys) are connected by a chain (or belt) 15.

These branches of the chain or belt drives are interconnected gimbal (or flexible) shaft 16. The stationary part of the drive shaft 16 mounted on the beam 1 and the movable (rotating) part of the plug 3 of the front wheel 4. Driven sprocket 10 is installed on the fixed portion of the drive shaft 16 and the drive sprocket 12 mounted on a movable (rotating) part of the drive shaft 16. The center 17 of the spider drive shaft 16 is located on the axis 18 of rotation of the fork 3 of the front wheel 4. The axis 18 of rotation of the fork 3 of the front wheel 4 coincides with the axis of rotation the bearing 19, have fork 3.

Beam 1, as a supporting structural member of a Bicycle, preferably has a closed box-shaped cross section, which in addition to providing the necessary strength and rigidity, also provides accommodation inside the first branch chain or belt transmission that goes from the pedal drive. This positioning of branch chain or belt transmission ensures its safety from damage, prevents it foreign objects, including parts of the service of the driver.

The container 2, as well as beam 1, is a power structure, perceiving all loads from the front beam 1 mounted on it the seat 20 and the rear wheels 21.

The seat 20 is installed on the container 2 with the possibility of moving and fixing in appropriate guides (not shown)that provides distance control pedals depending on human growth.

The seat 20 may be made in the form of the top cover of the container 2, which when folded closes the container. When the chair 20 is composed of pivotally connected parts, seats and backs that have the ability to change the angle between them and the container, i.e. the driver can set the seat 20 in a convenient position.

The wheel 5 also has the ability to regulate its installation height is those depending on human growth, what is known wedge clamp placed inside a removable portion 25 of the steering wheel. In addition, the wheel 5 is connected to the fork of the front wheel through a universal joint 22 with the rotation angle of the forward direction by 90 degrees. The universal joint 22 is necessary to ensure safety in an emergency situation.

The rear wheels 21 are fixed to the container 2 by means of a flange 23 by means of bolts barackobama nuts.

The support frame may be provided with an additional power element 26 mounted between the beam 1 and the container 2. Additional power element 26 has a frame or shaped design and is connected with the container 2 with the ability to be moved and fixed in different positions to enable adjusting the position of chair 20, depending on the growth of the person.

The work of the bike is as follows.

After Assembly and corresponding adjustment and fixation in the desired depending on human growth the position of the steering wheel 5 and the seat 20, the bike is ready for operation.

To ensure movement of the Bicycle are driven pedal 6 and the rod 7, which via a shaft 8, the rotation is transmitted to the drive sprocket 9. Then by the chain 11, the rotation is transmitted to the driven sprocket 10.

From the sprocket 10 through the drive shaft 16 rotation PE udaetsya on the sprocket 12, from which, through a chain 15, the rotation is transmitted to the sprocket 13 of the sleeve 14 of the front wheel 4, whereby it is driven into rotation, imparting movement to the bike.

Braking of the bike is the brake sleeve 14 in the usual way by turning the pedals 6 in the opposite direction of their rotation to ensure the bike is moving.

When turned the fork 3 of the front wheel 4 due to the presence of the drive shaft 16 is rotated together with the second branch of the chain of transmission, including sprockets 12 and 13, connected by a chain 15.

To ensure necessary transportation of a Bicycle provided by the modular design, allowing fast enough to disassemble and put modules inside the container 2. The composition of the modules presented in figure 5 and includes: I - beam 1 with the attached front wheel 4, a pedal drive transmission and a fixed part of the steering wheel 5 by means of cardan hinge 22; II - removable part of the rudder 5; III - the container; IV - chair; V - rear wheel 21.

Disassembly of the bike can be complete or incomplete. When complete disassembly of the modules I, II, IV and V are placed inside the container 2, as shown in Fig.6, 7 and 8 in different projections. Complete disassembly is used to store the bike or during transportation, for example, in the trunk of a car or brusnwick suitcase, for which the container 2 can be mounted carry handle. In the case of partial disassembly of the Bicycle, as shown in Fig.9, it is possible to transport the bike as bags, carts, using its own rear wheels 21 and steering 5 as a handle.

The presence of additional power element 26 does not affect the possibility of disassembly of the Bicycle for transportation or storage.

1. Tricycle containing carrier frame, the front leading managed wheel, two rear wheels, a steering wheel, a pedal drive and the transmission front drive wheel, characterized in that the transmission is made consisting of two branches of the chain and/or belt drives, connected by a cardan or flexible shaft, with the fork of the front wheel is made in the form of an inverted "U".

2. The Bicycle according to claim 1, characterized in that it has a modular sectional design.

3. The Bicycle according to claim 1, characterized in that the supporting frame comprises interconnected by means of detachable connections of the beam and the container.

4. The Bicycle according to claim 1, characterized in that the propeller or flexible shaft is mounted on the fork of the front wheel.

5. The Bicycle according to claim 4, characterized in that the center of the spider drive shaft is located on the axis of rotation of the fork of the front wheel.

6. The Bicycle according to claim 1, characterized in that wet the chain of transmission, including the drive sprocket pedal drive chain and driven sprocket cardan or flexible shaft, is located inside the beam with a closed box section.

7. The Bicycle according to claim 1, characterized in that the steering wheel is connected to the fork of the front wheel through a universal joint.

8. The Bicycle according to claim 3, characterized in that the container cover is made in the form of folding chairs.

9. The Bicycle according to claim 3, characterized in that the supporting frame is provided with an additional power element mounted between the beam and the container, with additional power element connected to the container with the ability to be moved and fixed in different positions.



 

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Tricycle // 2259300

FIELD: transport engineering; freight tricycles.

SUBSTANCE: invention relates to folding freight cycles designed for riding at reclining and with drive to front wheel. Transmission of proposed cycle consists of two strands of chain and/or belt drives interconnected by propeller shaft 16 or flexible shaft. Center 17 of cross of propeller shaft 16 is located on turning axle of front wheel fork 3 which is made in form of turned-over Y letter. Carrying frame consists of beam 1 and container interconnected by detachable joint. Cover of container is made in form of folding chair. Chain of first strand of drive is placed inside box beam 1. Second strand of drive is installed on fork 3 and it engages drive sprocket 12 in aperture 24 of vertical section of fork 3.

EFFECT: reduced overall dimensions of transmission and load on fork.

9 cl, 11 dwg

FIELD: transport.

SUBSTANCE: invention relates to automotive seats. Vehicle comprises body carcass, load surface and vehicle seat assembly. Vehicle seat assembly comprises left bearing post, right bearing post, thrust crossbar, seat backrest and cover panel. Thrust crossbar is secured to left and right bearing posts. Seat backrest may turn between vertical position and position of load support. Cover panel is connected with thrust crossbar to move between folded position and overlapping position. With backrest in position of load support and cover panel in overlapping position, thrust crossbar makes a bearing support for cover panel while load surface, cover panel and backrest make integral flat surface of load support. Thrust crossbar makes bearing support for load surface. The latter is configured to get in selective contact with cover panel when cover panel is folded together with backrest in vertical position. Thrust crossbar makes a bearing support for left and right cover panels while thrust crossbar supports the load surface. Right cover panel is coupled with backrest right part to make backrest right part displace between vertical position and load support position to facilitate displacement of right cover panel between folded position and overlapping position. Backrest turn between vertical position and load support position facilitates turning of cover panel between folded position and overlapping position.

EFFECT: enlarged rear cargo space.

20 cl, 12 dwg

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