CN216140129U

CN216140129U - Double bicycle that can dismantle transversely splice

Info

Publication number: CN216140129U
Application number: CN202121998667.7U
Authority: CN
Inventors: 李文杰; 张瑞洁; 王翌诚; 严雨婷
Original assignee: Zhejiang University of Technology ZJUT
Current assignee: Zhejiang University of Technology ZJUT
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-03-29
Anticipated expiration: 2031-08-24

Abstract

The utility model discloses a detachable transverse splicing bicycle for double riding, and belongs to the technical field of bicycles. The front wheel forks of the two modular single vehicles are connected through a front rod rotating assembly, and the rear wheels of the two modular single vehicles are connected through a rear rod rotating assembly; the front rod rotating assembly is arranged on a front wheel fork of each bicycle and comprises a front cross rod, a rotating part and a rotating connecting piece; the double-person riding bicycle provided by the utility model meets the requirement of double riding in scenic spots, can realize simultaneous steering of the front wheels through any handlebar, and has the advantages of simple and light structure, and high stability and balance. In addition, the bicycle ridden by two persons can be disassembled into two single bicycles for use.

Description

Double bicycle that can dismantle transversely splice

Technical Field

The utility model relates to the technical field of bicycles, in particular to a detachable transverse splicing bicycle capable of being ridden by two persons.

Background

With the popularization of the shared bicycle, a large number of shared bicycles are released in each big city in succession. It gradually becomes a necessary travel tool for the public and becomes a demand for the public. Meanwhile, vehicles are not allowed to enter the scenic spot, the occupied area is too large, and the road is narrow, so that the traffic in the scenic spot becomes a big problem. However, only a shared bicycle or a shared scenic spot vehicle is put in a scenic spot, which can only serve a certain number of tourist groups and cannot satisfy diversified tourist types in the scenic spot, such as single-person traveling and double-person traveling.

SUMMERY OF THE UTILITY MODEL

In view of the above, the utility model provides a detachable transverse splicing bicycle for double riding, which is simple and light in structure, high in stability and balance, capable of being detached to be used by two single bicycles and particularly suitable for scenic spots.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a detachable transversely-spliced bicycle ridden by two persons comprises a first modular bicycle and a second modular bicycle which are arranged side by side, wherein front wheel forks of the two modular bicycles are connected through a front rod rotating assembly, and rear wheels of the two modular bicycles are connected through a rear rod rotating assembly;

the front rod rotating assembly is arranged on a front wheel fork of each bicycle and comprises a front cross rod, a rotating part and a rotating connecting piece; the rotating part is positioned in the front lower part of the bicycle handlebar rotating shaft and can rotate around an axis vertical to the handlebar rotating shaft; one end of the front cross rod is arranged on the rotating piece through a rotating connecting piece, and the other end of the front cross rod is provided with a connecting port with a locking structure; the front cross rod on the first modular bicycle points to the left side of the bicycle and is overlapped with a horizontal line, the front cross rod on the second modular bicycle points to the right side of the bicycle and is overlapped with the horizontal line, and connecting ports on the two front cross rods are abutted and locked to form a rigid rod;

the rear rod rotating assembly comprises a rear fork connecting piece, a rear cross rod and a connecting rod, and the rear fork connecting piece is arranged at the center of the rear wheel of each bicycle and rotates coaxially with the rear wheel; one end of the rear cross rod is arranged at the center of the left side of a rear fork connecting piece on the first modular bicycle, and the other end of the rear cross rod is connected with a connecting rod with a middle shaft convex column; and a middle shaft concave column which is coaxial with the rear wheel is arranged on the right side of the rear fork connecting piece on the second modular bicycle, and the middle shaft concave column is matched and locked with the middle shaft convex column.

Compared with the prior art, the double-person riding bicycle provided by the utility model has the advantages that the structure is simple, the requirement of double riding in scenic spots is met, the simultaneous steering of the front wheels can be realized through any handlebar, the structure is simple and light, and the stability and the balance are high. In addition, the bicycle ridden by two persons can be disassembled into two single bicycles for use.

Drawings

FIG. 1 is a schematic structural view of a tandem bicycle according to the present invention;

FIG. 2 is a schematic view of the lateral attachment and detachment of the modular bicycle;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is an enlarged partial view of the front rod rotation assembly;

FIG. 5 is a partial cross-sectional view of the rear rod rotation assembly;

FIG. 6 is a schematic structural view of the disassembled modular bicycle of the present embodiment;

description of reference numerals:

the bicycle comprises a front wheel 100, a rear wheel 200, a front wheel fork 300, a rear wheel fork 400, a frame body 500, a handlebar 600, a saddle 700,

pedals

800 and 310, a front cross bar 311, a rotary connecting piece 320, a front fork body 330, a rotary piece 610 and a vertical bar. The first modular bicycle a and the second modular bicycle b are marked in the sequence from right to left in the figure 1;

reference parts in the first modular bicycle a: the bicycle front wheel comprises a front wheel a100, a rear wheel a200, a rear wheel fork a400, a handlebar a600, a front cross rod a310, a front fork main body a320, a rotating part a330, a vertical rod a610, a rotating connecting part a311, a connecting port a312, a rear cross rod a410, a connecting rod a420, a middle shaft convex column a421 and a convex column annular recess a 422.

Reference parts in the second modular bicycle b: the bicycle front wheel comprises a front wheel b100, a rear wheel b200, a rear wheel fork b400, a handlebar b600, a front cross bar b310, a front fork main body b320, a rotating piece b330, a vertical rod b610, a rotating connecting piece b311, a connecting port b312, a rear fork connecting piece b430, a middle shaft concave column b431 and a concave column annular bulge b 432.

Detailed Description

In order to make the technical solutions and benefits of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention. It should be understood that the embodiments described are only a few embodiments of the present invention, and are not intended to be all embodiments. The components of the embodiments of the present invention generally depicted in the figures herein may be arranged in different configurations.

As shown in fig. 1 and 3, the double-riding detachable transverse splicing bicycle comprises a first modular bicycle a and a second modular bicycle b which are arranged side by side, front fork bodies a320 and b320 of front wheel forks of the two modular bicycles are connected through a front rod rotating assembly, and rear wheels a200 and b200 of the two modular bicycles are connected through a rear rod rotating assembly.

The front rod rotating component is arranged on the front wheel fork of each bicycle and comprises front cross rods a310 and b310, rotating pieces a330 and b330 and rotating connecting pieces a311 and b 311; the rotating parts are positioned at the front lower parts of the bicycle handlebar vertical rods a610 and b610 (namely handlebar rotating shafts) and can rotate around the axis vertical to the vertical rods; in each single vehicle structure, one end of the front cross bar is arranged on the rotating piece through the rotating connecting piece, and the other end of the front cross bar is provided with a connecting port with a locking structure; the front cross rod a310 on the first modular bicycle a points to the left side of the bicycle and coincides with a horizontal line, the front cross rod b310 on the second modular bicycle b points to the right side of the bicycle and coincides with the horizontal line, and the connecting ports a312 and b312 on the two front cross rods are connected in a butt joint and locked to form a rigid rod, so that the wheels of the two bicycles can be driven to rotate simultaneously by rotating any one handlebar.

The rear rod rotating assembly comprises a rear fork connecting piece, a rear cross rod and a connecting rod, wherein the rear fork connecting piece is arranged at the center of a rear wheel a400 and a rear wheel b400 of each bicycle and rotates coaxially with the rear wheels; one end of the rear cross rod a410 is arranged at the left center position of a rear fork connecting piece on the first modular bicycle a, and the other end of the rear cross rod a410 is connected with a connecting rod a420 with a middle shaft convex column a 421; as shown in fig. 5, a middle axle concave column b431 coaxial with the rear wheel is arranged on the right side of the rear fork connecting piece b430 on the second modular bicycle b, and the middle axle concave column b431 is matched and locked with the middle axle convex column a 421.

As shown in fig. 5, a convex-column annular recess a422 is provided on a medial axis convex column a421 on the first modular bicycle a, a concave-column annular protrusion b432 is provided on a medial axis concave column b431 on the second modular bicycle b, and the concave-column annular protrusion b432 is matched with the convex-column annular recess a 422.

The concave cylindrical annular protrusion b432 and the convex cylindrical annular recess a422 can be arranged in a plurality of numbers along the axial direction to enhance the connection tightness, the number is preferably 1-5, and an example of the number is given in fig. 5 as 2.

As shown in fig. 2, the front bar pivoting assembly and the rear bar pivoting assembly can be separated by applying a lateral axial force to the first and second modular bicycles a and b. Wherein, the convex column annular dent on the convex column of the centre shaft is separated from the concave column annular protuberance on the concave column of the centre shaft, so that the connecting rod is separated from the wheel; after separation, applying axial force to the connecting rod to axially slide and stretch into the rear cross rod, and rotating the rear cross rod to be attached to the rear wheel fork; meanwhile, applying axial force to front cross bars of two vehicles to be disassembled in different directions to separate the two vehicles; after separation, the front cross bar rotates to be attached to the front wheel fork.

More specifically, after the two front cross bars a312 and b312 which are abutted and locked are unlocked, the two front cross bars can rotate around the respective rotating parts a330 and b330, so that the front cross bars are attached to the front wheel fork, and the requirement that the length of the front cross bars is smaller than the length of the front wheel fork is met. The rear cross rod a410 on the unlocked first modular bicycle a can rotate around the left center position of the rear fork connecting piece, so that the rear cross rod a410 is attached to the rear bicycle fork, and the connecting rod a420 can be retracted inside the rear cross rod a 410. In order to realize accomodating of connecting rod inside the back horizontal pole, the length of connecting rod need be less than the length of back horizontal pole, the connecting rod stretches out from the back horizontal pole to automatic locking after the longest, total length after the locking is 2 times of preceding horizontal pole, this distance should be the comfortable distance that two people transversely ridden side by side.

The disassembled single bicycle is not distinguished by using a and b, and the whole structure of the single bicycle is shown in figure 6 and comprises the following components: a front wheel 100, a front wheel fork 300, a rear wheel 200, a rear wheel fork 400, a frame body 500, a seat 700, a handle bar 600, and a footrest 800; the saddle 700 and the pedal 800 are mounted on the frame body 500, the handle bar 600 is connected with the front wheel fork 100 and mounted on the frame body 500, the front wheel 100 is mounted on the frame body 500 through the front wheel fork 300, and the rear wheel 200 is mounted on the frame body 500 through the rear wheel fork 400. In the embodiment, the front wheel fork and the rear wheel fork adopt a single-side structure and are respectively positioned on the left side and the right side of the vehicle body; with the traveling direction of the bicycle as a direction reference, the front wheel fork 300 is disposed on the left side of the frame body 500, and the rear wheel fork 400 is disposed on the right side of the frame body 500, or the front wheel fork 300 is disposed on the right side of the frame body 500, and the rear wheel fork 400 is disposed on the left side of the frame body 500. It should be noted that, as shown in fig. 6, the latter embodiment of the present invention is taken as an example. One end of the front wheel fork is connected with the handle bar rotating shaft, and the other end of the front wheel fork is connected with the front wheel middle shaft; one end of the rear wheel vehicle fork is connected with a middle shaft of the rear fork connecting piece, and the other end of the rear fork connecting piece is connected with the vehicle body main body.

As shown in the enlarged partial view of the front rod rotating assembly shown in fig. 4, the rotating member 330 is provided with a shaft hole, the rotating connecting member 311 at one end of the front cross bar 310 is sleeved on the shaft hole, and the rotating connecting member 311 and the rotating member 330 can rotate at a certain angle, wherein the rotating member can rotate around its own axial direction. When not transversely spliced (when in a single riding state), the front rail 310 is attached to the front fork main body 320 of the front wheel fork 300, and the length of the front rail needs to be smaller than that of the front wheel fork.

The tandem riding bicycle provided by the utility model has a simple structure, the heights of the seat and the handlebar of the first modular bicycle a and the second modular bicycle b can be adjusted without mutual influence, and the disassembling-splicing steps are simple and convenient and easy to operate.

The foregoing lists merely illustrate specific embodiments of the utility model. It is obvious that the utility model is not limited to the above embodiments, but that many variations are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the present invention are to be considered within the scope of the utility model.

Claims

1. A detachable transversely-spliced bicycle for double riding is characterized by comprising a first modular bicycle and a second modular bicycle which are arranged side by side, wherein front wheel forks of the two modular bicycles are connected through a front rod rotating assembly, and rear wheels of the two modular bicycles are connected through a rear rod rotating assembly;

2. The tandem riding detachable transverse splicing bicycle according to claim 1, wherein the convex post of the center shaft is provided with a convex post annular recess, the concave post of the center shaft is provided with a concave post annular projection, and the concave post annular projection is matched with the convex post annular recess.

3. The tandem riding detachable transverse splicing bicycle of claim 2, wherein the number of the concave cylindrical annular protrusions and the convex cylindrical annular recesses arranged along the axial direction is 1-5.

4. The tandem riding detachable transverse splicing bicycle according to claim 1, wherein the two front cross bars which are abutted and locked can be unlocked, and after being unlocked, the two front cross bars can rotate around respective rotating pieces to enable the front cross bars to be attached to the front wheel fork.

5. The tandem detachable transversely-spliced bicycle of claim 1, wherein the rear cross bar of the first modular bicycle can rotate around the left center position of the rear fork connecting piece, so that the rear cross bar is attached to the rear bicycle fork, and the connecting rod can be retracted inside the rear cross bar.

6. The tandem riding detachable transversely spliced bicycle of claim 1, wherein the length of the front cross bar is less than the length of the front wheel fork.

7. The tandem riding detachable transversely-spliced bicycle of claim 1, wherein the length of the connecting rod is less than that of the rear cross rod, and the total length of the connecting rod and the rear cross rod is 2 times that of the front cross rod.

8. The tandem bicycle with the detachable transverse splicing function as claimed in claim 1, wherein the rotating member is provided with a shaft hole, and the rotating connecting member at one end of the front cross bar is sleeved on the shaft hole.

9. The tandem riding detachable cross-spliced bicycle of claim 1, wherein the saddle and handlebar height of the first and second modular bicycles is adjustable.

10. The tandem bicycle capable of being disassembled and transversely spliced according to claim 5, wherein the front wheel fork and the rear wheel fork are of a single-side structure, one end of the front wheel fork is connected with a handle bar rotating shaft, and the other end of the front wheel fork is connected with a front wheel middle shaft; one end of the rear wheel vehicle fork is connected with a middle shaft of the rear fork connecting piece, and the other end of the rear fork connecting piece is connected with the vehicle body main body.