CN217554100U

CN217554100U - Folding type bicycle frame

Info

Publication number: CN217554100U
Application number: CN202221233351.3U
Authority: CN
Inventors: 王韵棠
Original assignee: Qingdao 1618 New Energy Technology Co ltd
Current assignee: Qingdao 1618 New Energy Technology Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-10-11
Anticipated expiration: 2032-05-23

Abstract

The utility model discloses a superimposed bicycle frame, this superimposed bicycle frame install the handlebar including the back wheel carrier that is used for installing the preceding wheel carrier of front wheel and is used for installing the rear wheel on the preceding wheel carrier, install the saddle on the back wheel carrier, be equipped with the roof beam between preceding wheel carrier and the back wheel carrier, be equipped with between roof beam and the preceding wheel carrier and enable both relative lockings and can allow the first connecting device of preceding wheel carrier to the upset of roof beam one side after removing the locking, be equipped with between roof beam and the back wheel carrier and enable both relative lockings and can allow the second connecting device of back wheel carrier to the upset of roof beam opposite side after removing the locking. The utility model provides a superimposed bicycle frame can be used for making bicycle, electric motor car or vehicle using motor etc. and the bicycle of making is occupation space less after the coincide, and the vehicle such as car, bus, train of conveniently packing into uses. In addition, the folding frame has the advantages of simple structure and low cost, and is easy to popularize and use.

Description

Folding type bicycle frame

Technical Field

The utility model relates to a folding bicycle frame.

Background

The two-wheel vehicle such as bicycle, electric motor car have advantages such as small, flexible operation, be suitable for daily commute and short distance to ride. When the road is far away, the driver needs to drive to go out or ride public transport means. The route of public transport is fixed, drives the trip and need receive the restriction of parking stall and topography, and it is a distance still to walk to the destination after getting off, and is comparatively inconvenient. The best method for solving the problem is to fold the bicycle or the electric vehicle, then put the bicycle or the electric vehicle into a spare box or carry the bicycle or the electric vehicle to public transport means such as automobiles, trains and the like, unfold the bicycle or the electric vehicle after getting off the vehicle, and then ride the bicycle or the electric vehicle to a destination. Although foldable bicycles and battery cars exist at present, the foldable bicycles and battery cars are complex in structure and high in price, and are not suitable for the common people.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a folding type bicycle frame to above problem, this kind of frame is because simple structure, and the preparation is convenient, and the cost is lower after making bicycle or electric motor car, is suitable for masses to use.

In order to achieve the above object, the utility model discloses a folding bicycle frame, this folding bicycle frame installs the handlebar on the preceding wheel carrier and the back wheel carrier that is used for installing the rear wheel including the preceding wheel carrier that is used for installing the front wheel, installs the saddle on the back wheel carrier, and its structural feature is: the frame is arranged between the front wheel frame and the rear wheel frame, a first connecting device which can relatively lock the frame and the front wheel frame and can allow the front wheel frame to overturn to one side of the frame after the locking is released is arranged between the frame and the front wheel frame, and a second connecting device which can relatively lock the frame and the rear wheel frame and can allow the rear wheel frame to overturn to the other side of the frame after the locking is released is arranged between the frame and the rear wheel frame. After adopting above-mentioned structure, front wheel carrier and back wheel carrier can be folded to the both sides of car roof beam respectively, form Z shape structure, and occupation space is less after the coincide, conveniently carries.

The first overturning axis between the vehicle beam and the front wheel frame gradually inclines backwards from top to bottom. The front wheel frame is overturned towards the side part of the beam, and the rear wheel can be close to the beam, so that the size is smaller.

And a second overturning axis between the vehicle beam and the rear wheel frame is gradually inclined forwards from top to bottom. The rear wheel frame is overturned towards the side part of the beam, and the rear wheel can be close to the beam, so that the size is smaller.

The front wheel frame comprises a front fork and a first vertical rod, the lower end of the first vertical rod is connected with the front fork, the upper end of the first vertical rod is connected with the handlebar, a rotatable connecting sleeve is sleeved on the first vertical rod, and the first connecting device is arranged between the connecting sleeve and the beam. After adopting above-mentioned structure, can guarantee the free rotation of handlebar, can guarantee again that the front wheel carrier can overturn, the lockable is connected between the roof beam, simple structure, convenient to use.

The first vertical rod comprises a lower rod section connected with the front fork and an upper rod section connected with the handlebar, and a third connecting device which enables the lower rod section and the upper rod section to be locked relatively and enables the upper rod section to turn over to the side where the front fork is located after the lower rod section and the upper rod section are unlocked is arranged between the lower rod section and the upper rod section. After adopting above-mentioned structure, upper portion pole section can be for lower part pole section upset, makes the handlebar laminating in front wheel department, further reduces to the occupation in space after the coincide.

The upper rod section is of a hollow tube structure, a slidable supporting rod is inserted in the hollow tube, the upper end of the supporting rod extends upwards and is connected with the handlebar, and a quick locking mechanism for locking the supporting rod is installed at the pipe orifice of the hollow tube. After the quick locking mechanism is loosened, the supporting rod can slide up and down, and the height of the handlebar can be conveniently adjusted.

The rear wheel carrier is a triangular frame body, a pivot used for mounting a wheel is arranged at the rear bottom corner of the triangular frame body, and the second connecting device is arranged between the vehicle beam and the front side edge of the triangular frame body. The rear wheel carrier has a simple structure, the front side of the triangular frame body is directly connected with a vehicle beam, and the structure is more compact.

The front side of the triangular frame body is of a hollow pipe structure, a sliding rod is installed in the hollow pipe, the upper end of the sliding rod extends outwards and is installed on the saddle, and a quick locking mechanism is installed at the pipe orifice of the hollow pipe. After the quick locking mechanism is loosened, the sliding rod can slide up and down to realize the height adjustment of the saddle, and the saddle can be folded when being folded, so that the size of the frame is reduced.

The first connecting device and the second connecting device both comprise a front connecting seat and a rear connecting seat, one sides of the two connecting seats are connected through a hinge shaft, and a buckle capable of being opened and closed is arranged between the other sides of the two connecting seats. After the buckle is loosened, the two connecting seats can be turned over relatively, the wheel carrier can be overlapped with the vehicle beam, and the buckle can be buckled during normal use, so that the two connecting seats can be locked, and the wheel carrier can be extended relative to the vehicle beam.

The third connecting device comprises an upper connecting seat and a lower connecting seat, one sides of the two connecting seats are connected through a hinge shaft, and the other sides of the two connecting seats are provided with openable buckles. After the buckle is loosened, the two connecting seats can be turned over relatively, the handlebar is overlapped on the front wheel, and the buckle can be buckled during normal use, so that the two connecting seats can be locked, and the handlebar can be extended relative to the front wheel frame.

To sum up, the beneficial effects of the utility model reside in that: the utility model provides a superimposed bicycle frame can be used for making bicycle, electric motor car or vehicle using motor etc. and the bicycle of making is occupation space less after the coincide, and the vehicle such as car, bus, train of conveniently packing into uses. In addition, the folding frame has the advantages of simple structure and low cost, and is easy to popularize and use.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view showing the turning directions of the front and rear wheel frames when the embodiment shown in FIG. 1 is folded;

FIG. 3 is a schematic view of the embodiment of FIG. 1 after the front and rear wheel frames are folded over and over;

FIG. 4 is a schematic view of the handlebar of FIG. 3 after being turned over;

fig. 5 is a schematic structural diagram of the first connecting device and the second connecting device in the present invention;

fig. 6 is a schematic structural view of a third connecting device according to the present invention;

in the figure: 1. front wheel frame, 2, rear wheel frame, 3, handlebar, 4, saddle, 5, roof beam, 6, first connecting device, 7, second connecting device, 8, first turnover axis, 9, second turnover axis, 10, front fork, 11, first montant, 12, connecting sleeve, 13, lower pole section, 14, upper pole section, 15, third connecting device, 16, bracing piece, 17, quick locking mechanism, 19, pivot, 20, front side, 21, slide bar, 22, connecting seat, 23, hinge, 24, buckle, 25, front wheel, 26, rear wheel.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings and examples.

Referring to fig. 1, the utility model discloses a folding bicycle frame and a bicycle made of the frame. As shown in the figures, the utility model comprises a front wheel frame 1 and a rear wheel frame 2, wherein the front wheel frame 1 is provided with a front wheel 25 and a handlebar 3, and the rear wheel frame 2 is provided with a rear wheel 26 and a saddle 4. A vehicle beam 5 is arranged between the front wheel frame 1 and the rear wheel frame 2, and a first connecting device 6 which can lock the vehicle beam 5 and the front wheel frame 1 relatively and can allow the front wheel frame 1 to turn towards the vehicle beam 5 after the locking is released is arranged between the vehicle beam 5 and the front wheel frame 1. A second connecting device 7 which can lock the vehicle beam 5 and the rear wheel frame 2 relatively and can allow the rear wheel frame 2 to turn towards the other side of the vehicle beam 5 after the locking is released is arranged between the vehicle beam 5 and the rear wheel frame 2.

In this embodiment, the front wheel frame 1 includes a front fork 10 and a first vertical rod 11, a lower end of the first vertical rod 11 is connected to the front fork 10, an upper end of the first vertical rod 11 is connected to the handlebar 3, the first vertical rod 11 is sleeved with a rotatable connecting sleeve 12, and the first connecting device 6 is disposed between the connecting sleeve 12 and the beam 5. The first stem 11 comprises a lower stem section 13 connected to the fork 10 and an upper stem section 14 connected to the handlebar 3, between which lower stem section 13 and upper stem section 14 third connecting means 15 are provided which enable the relative locking of the two and which, after unlocking, enable the upper stem section 14 to be overturned towards the side of the fork 10. The upper rod section 14 is a hollow tube structure, a slidable support rod 16 is inserted into the hollow tube, the upper end of the support rod 16 extends upwards and is connected with the handlebar 3, and a quick locking mechanism 17 for locking the support rod 16 is installed at the pipe orifice of the hollow tube.

In this embodiment, the rear wheel frame 2 is a triangular frame body, a pivot 19 for mounting a wheel is arranged at a rear base angle of the triangular frame body, a rear wheel 26 is mounted on the pivot 19, the rear wheel 26 is connected with a driven sprocket, a driving sprocket is mounted at a front base angle of the triangular frame body, the driving sprocket is connected with a pedal, and the driving sprocket and the driven sprocket are driven by a chain. The second connecting means 7 is arranged between the vehicle beam 5 and the front side 20 of the triangular frame. The front side 20 of the triangular frame body is of a hollow pipe structure, a sliding rod 21 is installed in the hollow pipe, the upper end of the sliding rod 21 extends outwards and is provided with the saddle 4, and a quick locking mechanism 17 is installed at the pipe orifice of the hollow pipe.

Two chain dotted lines in fig. 1 are a first turning axis 8 between the vehicle beam 5 and the front wheel carrier 1 and a second turning axis 9 between the vehicle beam 5 and the rear wheel carrier 2, respectively, the first turning axis 8 is gradually inclined to the rear from top to bottom, and the second turning axis 9 is gradually inclined to the front from top to bottom.

Referring to fig. 5, each of the first connecting device 6 and the second connecting device 7 includes a front connecting seat 22 and a rear connecting seat 22, one side of each of the two connecting seats 22 is connected by a hinge 23, and a clasp 24 capable of opening and closing is disposed between the other sides of the two connecting seats 22.

Referring to fig. 6, the third connecting device includes a front connecting seat and a rear connecting seat 22, wherein one side of the two connecting seats 22 is connected by a hinge 23, and a buckle 24 capable of opening and closing is arranged between the other sides of the two connecting seats 22.

The utility model provides a quick locking mechanism 17 can adopt the spring clamping mechanism that bicycle saddle altitude mixture control was used commonly, also can bolt locking mechanism, can also adopt bolt locking mechanism etc..

Fig. 2 illustrates the turning direction of the front wheel frame 1 and the back wheel frame 2 during the folding process of the present invention, wherein the arrow a is the turning direction of the back wheel frame 2 relative to the car beam 5, the arrow B is the turning direction of the front wheel frame 1 relative to the car beam 5, the structure shown in fig. 3 can be formed after the front wheel frame 1, the car beam 5 and the back wheel frame 2 are folded, at this time, the upper bar section 14 can be turned over relative to the lower bar section 13, thereby folding the handlebar 3 to make it lean against the outside of the front wheel frame 1, and the structure after the folding process is as shown in fig. 4. Can find out from the picture, the utility model discloses occupation space is less after the coincide, conveniently packs into the trunk of car, perhaps carries to public transport such as bus, train on, rides after supplying to get off. In addition, through right the utility model discloses the description of structure is difficult to see, the utility model discloses still have simple structure, low in cost's advantage, have higher spreading value.

It should be noted that: fig. 1 to 6 only show a bicycle made of a folded two-wheeled vehicle frame, but the folded two-wheeled vehicle frame is also used for making an electric vehicle. When the folding type two-wheel vehicle frame is used as a frame of an electric vehicle, a battery installation cavity can be arranged in the vehicle beam 5 and used for installing a storage battery, the storage battery is hidden in the vehicle beam 5 and does not occupy the external space, and the manufactured electric vehicle is small and exquisite and light.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. A superposed bicycle frame comprises a front wheel frame (1) for mounting a front wheel and a rear wheel frame (2) for mounting a rear wheel, wherein a handle (3) is mounted on the front wheel frame (1), and a saddle (4) is mounted on the rear wheel frame (2), and is characterized in that a bicycle beam (5) is arranged between the front wheel frame (1) and the rear wheel frame (2), a first connecting device (6) which can relatively lock the bicycle beam (5) and the front wheel frame (1) and can allow the front wheel frame (1) to turn towards one side of the bicycle beam (5) after unlocking is arranged between the bicycle beam (5) and the rear wheel frame (2), and a second connecting device (7) which can relatively lock the bicycle beam (5) and the rear wheel frame (2) to turn towards the other side of the bicycle beam (5) after unlocking is arranged between the bicycle beam (5) and the rear wheel frame (2); the rear wheel carrier (2) is a triangular frame body, a pivot (19) for mounting a wheel is arranged at the rear bottom corner of the triangular frame body, and the second connecting device (7) is arranged between the vehicle beam (5) and the front side edge (20) of the triangular frame body.

2. A foldable two-wheeled vehicle frame according to claim 1, characterised in that the first tilting axis (8) between the beam (5) and the front wheel carrier (1) is inclined gradually backwards from top to bottom.

3. A foldable two-wheeled vehicle frame according to claim 1, characterised in that the second tilting axis (9) between the beam (5) and the rear wheel carrier (2) is inclined progressively forwards from top to bottom.

4. A foldable bicycle frame according to claim 1, characterised in that the front wheel carrier (1) comprises a front fork (10) and a first vertical bar (11), the lower end of the first vertical bar (11) is connected to the front fork (10), the upper end of the first vertical bar (11) is connected to the handlebar (3), the first vertical bar (11) is sleeved with a rotatable connecting sleeve (12), and the first connecting means (6) is arranged between the connecting sleeve (12) and the beam (5).

5. A foldable bicycle frame according to claim 4, characterised in that the first vertical bar (11) comprises a lower bar section (13) connected to the front fork (10) and an upper bar section (14) connected to the handlebar (3), and that between the lower bar section (13) and the upper bar section (14) third connecting means (15) are provided enabling relative locking of the two and enabling the upper bar section (14) to be turned over to the side where the front fork (10) is located after unlocking.

6. A foldable two-wheeled vehicle frame according to claim 5, wherein said upper rod section (14) is of a hollow tube structure, a slidable support rod (16) is inserted into the hollow tube, the upper end of the support rod (16) extends upwards and is connected to said handlebar (3), and a quick locking mechanism (17) for locking the support rod (16) is mounted at the mouth of the hollow tube.

7. A foldable two-wheeled vehicle frame according to claim 1, wherein the front side (20) of the triangular frame body is a hollow tube structure, a sliding rod (21) is installed in the hollow tube, the upper end of the sliding rod (21) extends outwards and is provided with the seat (4), and a quick locking mechanism (17) is installed at the tube opening of the hollow tube.

8. A foldable two-wheeled vehicle frame according to claim 1, wherein the first connecting means (6) and the second connecting means (7) each comprise a front connecting base and a rear connecting base (22), one side of each connecting base (22) is connected by a hinge (23), and a buckle (24) which can be opened and closed is arranged between the other sides of the two connecting bases (22).

9. A foldable bicycle frame according to claim 5, characterised in that the third connecting means (15) comprises two upper and lower connecting seats (22), one side of the two connecting seats (22) being connected by a hinge (23), and the other side of the two connecting seats (22) being provided with a snap (24) which can be opened and closed.