CN203681769U

CN203681769U - Tandem bicycle

Info

Publication number: CN203681769U
Application number: CN201320788326.6U
Authority: CN
Inventors: 胡定俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-12-03
Filing date: 2013-12-03
Publication date: 2014-07-02
Anticipated expiration: 2023-12-03

Abstract

The utility model relates to the field of bicycles, in particular to a tandem bicycle. The tandem bicycle comprises a first single bicycle and a second single bicycle; a front fork of the first single bicycle is detachably connected with a front wheel of the first single bicycle; a first connecting piece is arranged on the front fork; a rear storage rack is arranged above a rear wheel of the second single bicycle; a second connecting piece capable of being detachably connected with the first connecting piece is arranged on the rear storage rack. Compared with the prior art of a tandem bicycle with an integral structure bicycle frame, the tandem bicycle with the above structure, provided by the utility model, can be used by two users simultaneously, and can be used by two users independently by detaching the front fork of the first single bicycle and the rear storage rack of the second single bicycle to realize the separation of the first single bicycle and the second single bicycle, mounting the front fork of the first single bicycle onto the front wheel of the first single bicycle to realize the assembly of the first single bicycle and to form two single bicycles.

Description

A kind of tandem bicycle

Technical field

The utility model relates to bicycle field, in particular to a kind of tandem bicycle.

Background technology

Tandem bicycle is the bicycle that can simultaneously ride for two people.In correlation technique, tandem bicycle has the vehicle frame of integrative-structure.

Be subject to the restriction of said structure, the vehicle frame of tandem bicycle is non-dismountable, thereby causes the volume of tandem bicycle larger, generally tourist destination use more, and as life in the vehicle time, use less; In the more difficult control in the bad section of road conditions, user easily falls down, thereby comes to harm; Meanwhile, while parking, the area occupied of tandem bicycle is larger, needs larger space just can park.

Utility model content

The purpose of this utility model is to provide a kind of tandem bicycle, to solve the above problems.

A kind of tandem bicycle is provided in embodiment of the present utility model, has comprised: the first single bicycle and the second single bicycle, the front fork of described the first single bicycle and its front-wheel removably connect; And on described front fork, be provided with the first attaching parts; The trailing wheel top of described the second single bicycle is provided with rear shelf; On described rear shelf, be provided with second attaching parts that can removably connect with described the first attaching parts.

Compared with having the tandem bicycle of vehicle frame of integrative-structure in correlation technique, the tandem bicycle of the said structure that the utility model embodiment provides, not only can be for the use of riding in double harness; Can also be by the rear shelf of the front fork of the first single bicycle and the second single bicycle be split, realize separating of the first single bicycle and the second single bicycle, and the front fork of the first single bicycle is arranged on the front-wheel of the first single bicycle, realize the assembling of the first single bicycle, thereby form two single bicycles, for two people separately.

Accompanying drawing explanation

Fig. 1 shows the lateral plan that the front fork of tandem bicycle is connected by clamping plate with rear shelf;

Fig. 2 shows the structural representation that the front fork of tandem bicycle is connected by bearing pin with rear shelf;

Fig. 3 shows the structural representation of rear shelf.

In figure, the implication of each symbol is as follows:

1 front fork, 2 front-wheels, 3 rear shelf, 4 main support rods, 5 three-dimensional connectors, 6 poles, 7 patchholes, 8 insertion ends, 9 bearing pins, 10 horizontal bases, 11 lids, 12 connecting panels, 13 flat boards, 14 baffle plates.

The specific embodiment

Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.

Referring to Fig. 1, a kind of tandem bicycle, comprising: the first single bicycle and the second single bicycle, and wherein, front fork 1 and the front-wheel 2 of the first single bicycle removably connect; And on front fork, be provided with the first attaching parts; The trailing wheel top of the second single bicycle is provided with rear shelf 3; On rear shelf 3, be provided with second attaching parts that can removably connect with the first attaching parts.

The tandem bicycle that the utility model embodiment provides, by two single bicycle combinations are formed, can be for the use of riding in double harness; Can also be by the rear shelf of the front fork of the first single bicycle and the second single bicycle be split, realize separating of the first single bicycle and the second single bicycle, and the front fork of the first single bicycle is arranged on the front-wheel of the first single bicycle, realize the assembling of the first single bicycle, thereby form two single bicycles, for two people separately.Thereby the non-dismountable problem of bringing of the vehicle frame of having avoided the tandem bicycle in correlation technique.

Referring to Fig. 2, particularly, in the tandem bicycle that the utility model embodiment provides, front fork 1 comprises that the upper end that connects the main support rod 4 of handle and connect 6, two poles 6 of two poles of front-wheel 2 is all connected with main support rod 4; The lower end of two poles 6 all removably connects with front-wheel 2; The first attaching parts comprises the axially extended patchhole 7 along described pole of the lower end that is arranged on two poles 6;

The second attaching parts comprises the insertion end 8 that is arranged on corresponding two patchholes 7 on rear shelf 3; Insertion end 8 removably connects with patchhole 7.

In the time that two single bicycles are assembled into a tandem bicycle, only the front fork of the first single bicycle and front-wheel need be taken apart, by insertion end 8 is inserted in patchhole 7, the front fork of the first single bicycle is connected on the rear shelf of the second single bicycle, realize the assembling of two single bicycles, form a tandem bicycle.

When tandem bicycle is disassembled into two single bicycles by needs, while use separately, only the insertion end on the second attaching parts need be extracted at inserting in the hole from the first attaching parts, just the front fork of the first single bicycle can be separated with the rear shelf of the second single bicycle, again the front-wheel of the first single bicycle is arranged on front fork, thereby forms two single bicycles.

Adopt said structure, operation is simple to make the assembly and disassembly of tandem bicycle, can complete by fast speed.

Preferably, front fork 1 also comprises the three-dimensional connector 5 with three ends, and main support rod 4 and two poles 6 removably connect with an end of three-dimensional connector 5 respectively.Adopt such structure, be conducive to dismounting and the assembling of front fork, and in the time of any one parts generation problem wherein, conveniently keep in repair and change.

On main support rod 4 and pole 6, be provided with outside thread, each end of three-dimensional connector 5 is provided with negative thread; Main support rod 4 and pole 6 are all connected with three-dimensional connector 5 by outside thread and negative thread.The connection mode of screw thread can facilitate dismounting and the assembling between each assembly, can just can not realize connection and the dismounting between assembly by any other instrument.

Referring to Fig. 2, further, the tandem bicycle that the utility model embodiment provides, is provided with pin shaft hole in patchhole 7 and insertion end 8; Can be fixing by bearing pin 9 in the time that insertion end 8 is inserted patchhole 7.Adopt bearing pin that insertion end and patchhole are fixed into an entirety, thereby improved the stability that front fork is connected with rear shelf, and then the safety that has improved the tandem bicycle obtaining.

Particularly, the tandem bicycle that the utility model embodiment provides, is provided with baffle plate 14 in insertion end 8, and in the time that insertion end 8 and patchhole 7 are fixing by bearing pin 9, baffle plate 14 can prop up the edge of patchhole 7.

Set up the structure of baffle plate in insertion end, in the time that insertion end and patchhole are fixing, improve both fixation degrees, and then improve the safety of the tandem bicycle combining.Such as, in the time can fixing the bearing pin et out of order of patchhole and insertion end, the baffle plate at the edge that patchhole and insertion end can also be by propping up patchhole is fixed.Therefore, safety is higher.

Particularly, the tandem bicycle that the utility model embodiment provides, wherein, pole 6 is identical with the angle of this direction with angle and the insertion end 8 of horizontal direction.While being assembled into a tandem bicycle due to the first single bicycle and the second single bicycle, by insertion end 8 insert be arranged on two poles 6 lower end along in the axially extended patchhole 7 of pole 6, in the time that pole 6 and the angle of horizontal direction are identical with the angle of insertion end 8 and this direction, insertion end can be agreed with completely with patchhole, be inserted into and insert in the hole smoothly, the attaching parts that insertion end and patchhole are formed has stable and safe characteristic.

Referring to Fig. 3, further, the tandem bicycle that the utility model embodiment provides, wherein, the second attaching parts also comprises the lid of raising 11 being arranged on rear shelf 3; Insertion end 8 is positioned at the below of lid 11.Adopt said structure, in the time that tandem bicycle is split into two single bicycles, lid is fastened, the insertion end being arranged on shelf after can making is like this hidden in below lid, rather than outside exposed, affects the use of the rear shelf of single bicycle.In the time that two single bicycles are assembled into a tandem bicycle, only the lid on rear shelf need to be raised, expose insertion end, and be inserted into the inserting in the hole of front fork of the first single bicycle.

The tandem bicycle that the utility model embodiment provides, wherein, the first attaching parts is connecting panel 12; The second attaching parts is the horizontal base 10 being arranged on rear shelf 3; Connecting panel 12 is detachably overlapped on horizontal base 10.

Said structure, two single bicycles need to be assembled into tandem bicycle time, can detachably be overlapped on the connecting panel of the first single bicycle on the horizontal base of the second single bicycle, thereby realizes the connection of the first single bicycle and the second single bicycle; As will be understood by the skilled person in the art, wherein, connecting panel can be overlapping be connected on horizontal base, a part for connecting panel can also be overlapped on horizontal base, as long as can realize by the connection of connecting panel and Aquarius the connection of the first single bicycle and the second single bicycle.And tandem bicycle need to be disassembled into two single bicycles time, the connecting panel of the first single bicycle can be disassembled from the horizontal base of the second single bicycle, thereby tandem bicycle is disassembled into two single bicycles.

Adopt said structure the first single bicycle to be connected on the rear shelf of the second single bicycle, simple in structure, easy to operate.

Particularly, the tandem bicycle that the utility model embodiment provides also comprises dull and stereotyped 13; Connecting panel 12 is for can encase the upper surface of horizontal base 10 and the L shaped plate of side; Dull and stereotyped 13 can surround C shape jointly with connecting panel 12, and encase horizontal base 10; Connecting panel 12, horizontal base 10 removably connect with dull and stereotyped 13.

When two single bicycles are assembled into tandem bicycle, connecting panel 12 and dull and stereotyped 13 can be close to the horizontal base of rear shelf, make connecting panel 12 encase upper surface and the side surface of horizontal base 10, dull and stereotyped 13 encase the lower surface of horizontal base 10; Then connecting panel 12, horizontal base 10 and dull and stereotyped 13 are removably connected, thereby horizontal base is fixed between connecting panel 12 and dull and stereotyped 13.In the utility model embodiment, because L shaped connecting panel and flat board are used in conjunction with, jointly encase upper and lower surface and a side of horizontal base, make three sides of the horizontal base of rear shelf all be subject to connecting panel or dull and stereotyped enclosing, thereby increased the steadiness that the first single bicycle is connected with the second single bicycle.Avoid, because tandem bicycle is in use because the appearance of certain external force causes the loosening of connecting portion, causing danger.

As will be understood by the skilled person in the art, connecting panel 12, horizontal base 10 can be connected by detouchable modes such as bolts with dull and stereotyped 13.Carry out dismounting operation to facilitate.

As will be understood by the skilled person in the art, wherein, the thickness of connecting panel 12 and flat board 13 can design according to the thickness of the horizontal base of rear shelf, and connecting panel 12, dull and stereotyped 13 can adopt metallic material to make, as adopted steel plate to make.

The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims

1. a tandem bicycle, is characterized in that, comprising: the first single bicycle and the second single bicycle, and the front fork of described the first single bicycle and its front-wheel removably connect; And on described front fork, be provided with the first attaching parts; The trailing wheel top of described the second single bicycle is provided with rear shelf; On described rear shelf, be provided with second attaching parts that can removably connect with described the first attaching parts.

2. tandem bicycle according to claim 1, is characterized in that, described front fork comprises the main support rod that connects handle and two poles that connect front-wheel; The upper end of two described poles is all connected with described main support rod; The lower end of two described poles all removably connects with described front-wheel; Described the first attaching parts comprises the axially extended patchhole along described pole of the lower end that is arranged on two described poles;

Described the second attaching parts comprises the insertion end that is arranged on corresponding two described patchholes on described rear shelf; Described insertion end and described patchhole removably connect.

3. tandem bicycle according to claim 2, is characterized in that, described front fork also comprises the three-dimensional connector with three ends, and described main support rod and two described poles removably connect with an end of described three-dimensional connector respectively.

4. tandem bicycle according to claim 3, is characterized in that, on described main support rod and described pole, is provided with outside thread, and each end of described three-dimensional connector is provided with negative thread; Described main support rod and described pole are all connected with described three-dimensional connector by described outside thread and described negative thread.

5. tandem bicycle according to claim 2, is characterized in that, in described patchhole and described insertion end, is provided with pin shaft hole; In the time that inserting described patchhole, described insertion end can fix by bearing pin.

6. tandem bicycle according to claim 5, is characterized in that, in described insertion end, is provided with baffle plate, and in the time that described insertion end and described patchhole are fixed by bearing pin, described baffle plate can prop up the edge of described patchhole.

7. tandem bicycle according to claim 2, is characterized in that, described pole is identical with the angle of described insertion end and this direction with the angle of horizontal direction.

8. tandem bicycle according to claim 2, is characterized in that, described the second attaching parts also comprises the lid of raising being arranged on described rear shelf; Described insertion end is positioned at the below of described lid.

9. tandem bicycle according to claim 1, is characterized in that, described the first attaching parts is connecting panel; Described the second attaching parts is the horizontal base being arranged on described rear shelf; Described connecting panel is detachably overlapped on described horizontal base.

10. tandem bicycle according to claim 9, is characterized in that, also comprises flat board; Described connecting panel is to encase the upper surface of described horizontal base and the L shaped plate of side; Described flat board and described connecting panel can surround C shape jointly, and encase described horizontal base; Described connecting panel, described horizontal base and described flat board removably connect.