CN205010406U - Multifunctional bicycle - Google Patents

Abstract

The utility model discloses a multifunctional bicycle, which comprises a front wheel, a frame assembly and a rear wheel. The frame includes a handlebar, a front frame, a cross bar assembly, a rear frame and a vehicle seat. The cross bar assembly includes a front cross bar and the rear cross bar, the rear end of the front cross bar is hinged with the front end of the rear cross bar through a two-way hinge, and the rear end of the rear cross bar is connected with the rear frame through a rotating device. A driving transmission gear and a passive transmission gear are arranged on the vehicle frame, and a hasp is also provided on the two-way hinge; the rear cross bar is also connected with the rear vehicle frame through a fixing plate. The utility model enables the front wheel and the rear wheel to realize 360-degree rotation through the two-way hinge and the rotating device arranged on the cross bar assembly, and the bicycle can be folded and disassembled to reduce the space occupied by the bicycle, and the bicycle can be folded into a The shopping trailer tool or suitcase mode can also be placed in the backpack, which is more convenient for travel, thereby improving the performance of the bicycle.

Description

A multifunctional bicycle

technical field

The utility model relates to the technical field of bicycles, in particular to a multifunctional bicycle.

Background technique

At present, when going out for travel, cycling shopping, commuting, etc., they will bring their own bicycles for transportation. Now they use bicycles with a double-fold structure, so that even if they are folded when going out, they still need both hands to control the folded bicycle. If you need to carry When carrying luggage, shopping bags and other items, you have to bring a bicycle, which will be very troublesome; the bicycle after folding in half takes up a lot of space, and it is inconvenient to carry on the bus, subway, ship, etc. All of the above will reduce the use of bicycles performance.

Therefore, improvements must be made at the above-mentioned defects.

Utility model content

The utility model provides a multifunctional bicycle, which solves the problem of poor usability of the bicycle in the prior art.

The technical scheme of the utility model is achieved in that:

A multifunctional bicycle, comprising a front wheel, a frame assembly and a rear wheel connected in sequence, the frame includes a handlebar, a front frame, a cross bar assembly, a rear frame and a seat, the front wheel is connected to the On the front frame, the handlebar is connected to the upper end of the front frame, the rear wheel is connected to the rear frame, the seat is connected to the cross bar assembly, and the cross bar assembly It includes a front cross bar and a rear cross bar, the front end of the front cross bar is fixedly connected with the front frame, the rear end of the front cross bar is hinged with the front end of the rear cross bar through a two-way hinge, and the rear end of the rear cross bar It is connected with the rear vehicle frame through a rotation device, and the rotation device includes a rear vehicle load-bearing rotating bearing arranged at the rear end of the rear cross bar and a rear vehicle load-bearing rotating bearing arranged at the upper end of the rear vehicle frame to cooperate with the rear vehicle load-bearing rotating bearing The rear vehicle load-bearing rotating shaft, the rear frame is provided with an active transmission gear and a passive transmission gear, the active transmission gear is connected with the passive transmission gear chain, and the passive transmission gear is connected with the rear wheel chain; The two-way hinge is also provided with a hasp for fixing the two-way hinge; the rear cross bar is also connected to the rear frame through a fixing plate.

Further, the rear cross bar includes a first cross bar hinged with the front cross bar and a second cross bar connected with the rear frame, the first cross bar and the second cross bar can be telescoping structure.

Further, the rear frame is provided with pedals matched with the driving transmission gear.

Further, the center of the driving transmission gear, the center of the passive transmission gear and the center of the rear wheel are on the same straight line.

Further, the rear cross bar is provided with a first fixing groove matching with the fixing plate, and the rear frame is provided with a second fixing groove matching with the fixing plate.

Further, the handlebar is detachably connected to the front frame.

Further, the seat is detachably connected to the rear cross bar through a seat post.

Further, the seat post is a telescopic rod.

Further, at least one socket is provided on the cross bar assembly.

Further, the rear frame is provided with a driving device connected with the driving gear.

The beneficial effect of implementing the utility model has:

The utility model enables the front wheel and the rear wheel of the bicycle to rotate at 360 degrees through the two-way hinge and the rotating device arranged on the cross bar assembly, which is convenient for going out and riding, and the bicycle can be folded and disassembled, reducing the space occupied by the bicycle. Space, the bicycle can be folded into a shopping trailer tool or suitcase mode, and can also be placed in a backpack, which is more convenient for travel, thereby improving the performance of the bicycle.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without any creative effort.

Fig. 1 is the three-dimensional structure schematic diagram of an embodiment of a kind of multifunctional bicycle of the present utility model;

Fig. 2 is a schematic diagram of a folded structure of an embodiment of a multifunctional bicycle of the present invention;

Fig. 3 is a schematic diagram 2 of the folding structure of an embodiment of a multifunctional bicycle of the present invention;

Fig. 4 is a schematic diagram of the folding structure of an embodiment of a multifunctional bicycle of the present invention;

The serial numbers of the attached drawings and their descriptions:

1. Handlebar; 2. Front frame; 3. Front wheel; 4. Front crossbar; 5. Rear crossbar; 6. Two-way hinge; 7. Pedal; 8. Rear frame; 9. Rear wheel; 10 1. Seat post; 11. Seat.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

With reference to Fig. 1 to Fig. 4, a kind of multifunctional bicycle provided by the utility model comprises front wheel 3, vehicle frame assembly and rear wheel 9 connected in sequence, and vehicle frame comprises handlebar 1, front vehicle frame 2, cross bar assembly, Rear vehicle frame 8 and vehicle seat 11, front wheel 3 is connected on the front vehicle frame 2, handlebar 1 is connected on the upper end of front vehicle frame 2, rear wheel 9 is connected on the rear vehicle frame 8, vehicle seat 11 is connected on cross bar assembly Above, the crossbar assembly includes a front crossbar 4 and a rear crossbar 5, the front end of the front crossbar 4 is fixedly connected with the front frame 2, the rear end of the front crossbar 4 is hinged with the front end of the rear crossbar 5 through a two-way hinge 6, and the rear crossbar 5. The rear end is connected to the rear vehicle frame 8 through a rotating device. The rotating device includes a rear vehicle load-bearing rotating bearing arranged at the rear end of the rear cross bar 5 and a rear vehicle load-bearing rotating bearing arranged at the upper end of the rear frame 8 and matched with the rear vehicle load-bearing rotating bearing. Shaft, the rear vehicle frame 8 is provided with active transmission gear and passive transmission gear, the active transmission gear is connected with the passive transmission gear chain, and the passive transmission gear is connected with the rear wheel chain; Buckle; Rear cross bar 5 is also connected with rear vehicle frame 8 by fixed plate. Rear vehicle frame 8 is provided with rear car cover, and driving transmission gear and passive transmission gear are located at the inside of rear vehicle cover, can prevent driving transmission gear and passive transmission gear from being easily damaged like this, improves the use of driving transmission gear and passive transmission gear Lifespan; through the disassembled structure of the buckle, the fixing of the front cross bar 4 and the rear cross bar 5 is convenient, and the positioning of the rear cross bar 5 and the rear frame 8 is facilitated by the fixing plate, so as to ensure normal riding. The structure of the technical solution is a three-fold bicycle, through the two-way hinge 6 and the rotating device arranged on the cross bar assembly, the front wheel 3 and the rear wheel 9 of the bicycle can be rotated at 360 degrees, which is convenient for folding and riding when going out. Disassemble the bicycle to reduce the space occupied by the bicycle. It can also be folded into a shopping trailer tool or a suitcase mode. It can also be placed in a backpack, or placed in a trunk or bag, thereby improving the function of the bicycle.

The rear cross bar 5 includes a first cross bar hinged with the front cross bar 4 and a second cross bar connected with the rear vehicle frame 8, the first cross bar and the second cross bar are telescopic structures. The length of the rear cross bar can be adjusted according to the requirements of the user through the telescopic use of the first cross bar and the second cross bar. For example, when luggage or shopping bags need to be placed on the bicycle, the rear cross bar can be pulled to make the bicycle There is enough space for bags or shopping bags.

The rear vehicle frame 8 is provided with a pedal 7 matched with the drive gear. The function of pedaling a bicycle is realized by the pedal 7 .

The center of driving transmission gear, the center of passive transmission gear and the center of rear wheel 9 are on the same straight line. Can reduce the diameter of driving transmission gear like this, reduce the space that gear takes up, can also guarantee and just can drive the rotation of rear wheel 9 with less effort, thereby is beneficial to riding.

The rear cross bar 5 is provided with a first fixing groove matched with the fixing plate, and the rear vehicle frame 8 is provided with a second fixing groove matching with the fixing plate. Through the first fixing groove and the second fixing groove, it is convenient for the fixing plate to fix the rear cross bar 5 and the rear vehicle frame 8, so as to ensure that the bicycle can be normally ridden.

The handlebar 1 is detachably connected with the front frame 2. The vehicle seat 11 is detachably connected with the rear cross bar 5 through the vehicle seat post 10 . The seat post 10 is a telescopic rod. At least one socket is arranged on the cross bar assembly. When the bicycle is folded, the handlebar 1, the seat 11 and the seat post 11 can be inserted into the jack, and the left and right handles on the handlebar 1 are foldable or detachable structures, so that it can be more fully reduced. The space occupied by the bike when folded.

The rear vehicle frame 8 is provided with a driving device connected with the drive gear. The driving device can realize power-assisted riding, reduce the physical output of people, and make going out more convenient. The driving device includes a driving power supply and a driving motor. During use, the driving power supply can also be installed in the rear cross bar 5 according to actual installation requirements, which can save more space.

Several structures of the utility model in use are as follows:

1. Non-folding structure: that is, the structure for riding a bicycle, which can be used for people to ride and place bags or shopping bags, etc. Refer to Figure 1 for details.

2. The structure of the trolley shopping trailer: by rotating the front and rear wheels of the cross bar assembly, the front and rear wheels are in the same direction. At the same time, the front wheels and rear wheels are perpendicular to the cross bar assembly. Refer to Figure 2.

3. Towing structure: By rotating the front wheel 180 degrees and the rear wheel 180 degrees, the two wheels overlap and parallel, and at the same time, the seat is disassembled and fixed to the handlebar to reduce the space and use the handlebar to tow. When there is no need to drag goods, further reduce the space to tow, specifically refer to Figure 3.

4. Portable structure: Disassemble the seat and handlebars and attach them to the folded bicycle, turn it into a smaller space for integration, fix it on the back with double shoulder straps or carry it with a single suitcase, refer to Figure 4 for details.

To sum up, the utility model enables the front and rear wheels of the bicycle to rotate 360 degrees through the two-way hinge and the rotating device provided in the cross bar assembly, which is convenient for going out and riding, and the bicycle can be folded and disassembled , to reduce the space occupied by the bicycle, the bicycle can be folded into a shopping trailer tool or a suitcase mode, and can also be placed in a backpack, which is more convenient for travel and thus improves the performance of the bicycle.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (10)

1. a multifunction bicycle, it is characterized in that, comprise the front-wheel connected successively, chassis assembly and trailing wheel, it is characterized in that, described vehicle frame comprises handlebar, front vehicle frame, cross bar assembly, Rear frame and vehicle seat, described front-wheel is connected in described front vehicle frame, described handlebar is connected to described front vehicle frame upper end, described trailing wheel is connected in described Rear frame, described vehicle seat is connected on described cross bar assembly, described cross bar assembly comprises front rail and rear transverse rod, described front rail front end is fixedly connected with described front vehicle frame, it is hinged that bilateral hinge is passed through in described front rail rear end and described rear transverse rod front end, described rear transverse rod rear end is connected with described Rear frame by slewing arrangement, described slewing arrangement comprises the rear car load-bearing rotation bearing of being located at described rear transverse rod rear end and is located at the rear car load-bearing rotation axle matched with described rear car load-bearing rotation bearing described Rear frame upper end, described Rear frame is provided with initiatively transmission gear and passive transmitting gear, described active transmission gear is connected with described passive transmitting gear chain, described passive transmitting gear is connected with described trailing wheel chain, described bilateral hinge is also provided with the hasp for fixing described bilateral hinge, described rear transverse rod is also connected with described Rear frame by adapter plate.

2. multifunction bicycle according to claim 1, is characterized in that, the second cross bar that described rear transverse rod comprises first cross bar hinged with described front rail and is connected with described Rear frame, and described first cross bar and described second cross bar are Collapsible structure.

3. multifunction bicycle according to claim 1 and 2, is characterized in that, described Rear frame is provided with match with described active transmission gear foot-operated.

4. multifunction bicycle according to claim 1 and 2, is characterized in that, the center of the center of described active transmission gear, the center of described passive transmitting gear and described trailing wheel is on same straight line.

5. multifunction bicycle according to claim 1, is characterized in that, described rear transverse rod is provided with the first hold down groove matched with described adapter plate, and described Rear frame is provided with the second hold down groove matched with described adapter plate.

6. multifunction bicycle according to claim 1, is characterized in that, described handlebar and described front vehicle frame removably connect.

7. multifunction bicycle according to claim 1, is characterized in that, described vehicle seat is removably connected by seat rod and described rear transverse rod.

8. multifunction bicycle according to claim 7, is characterized in that, described seat rod is expansion link.

9. multifunction bicycle according to claim 1, is characterized in that, described cross bar assembly is provided with at least one jack.

10. multifunction bicycle according to claim 1, is characterized in that, described Rear frame is provided with the actuating device be connected with described active transmission gear.