CN218703684U

CN218703684U - Universal shock-absorbing tandem bicycle for two persons

Info

Publication number: CN218703684U
Application number: CN202223129732.XU
Authority: CN
Inventors: 李银军; 梁斌
Original assignee: Baoji Guanheng Titanium Industry Co ltd
Current assignee: Baoji Guanheng Titanium Industry Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-03-24
Anticipated expiration: 2032-11-24

Abstract

The utility model provides a general type damping double tandem bicycle, belonging to the technical field of bicycles, comprising a main bicycle and an auxiliary bicycle, wherein the main bicycle is a complete general bicycle, the auxiliary bicycle is not provided with a front wheel assembly on the basis of the general bicycle, and the auxiliary bicycle is arranged at the rear part of the main bicycle; the head tube of the auxiliary bicycle and the seat tube of the main bicycle are connected together through a traction connection assembly, the rear end of the traction connection assembly is fixedly connected with the head tube of the auxiliary bicycle, and the front end of the traction connection assembly is connected with the seat tube of the main bicycle and can move left, right, up and down. The utility model discloses to general type bicycle, under the prerequisite that does not change any structure of bicycle, only need tear the front wheel assembly of auxiliary bicycle open, link together auxiliary bicycle and main bicycle through drawing coupling assembling, can form double bicycle in tandem, general type is strong, applicable in the bicycle repacking of various models.

Description

Universal shock-absorbing tandem bicycle for two persons

Technical Field

The utility model belongs to the technical field of the bicycle, concretely relates to double tandem bicycle of general type shock attenuation.

Background

The present cooperative bicycle is generally characterized by that on an elongated fixed frame more than two front and rear seats, heads, pedals and transmission devices are combined, so that more than two persons can ride the bicycle together, and the direction of said bicycle can be controlled by user in front. However, since the conventional tandem bicycle structure does not connect two independent universal bicycles side by side, it is impossible for a family, a group or a lessee who has a plurality of universal bicycles to arbitrarily convert the universal bicycles into the tandem bicycles. For example, patent No. CN201520891218.0 discloses a convertible tandem bicycle, which mainly comprises a main bicycle, an auxiliary bicycle, and a connecting module for connecting the main bicycle and the auxiliary bicycle; the connecting module comprises a vertical rod unit combined on an upper rod of the auxiliary bicycle frame, a handle unit combined at the upper end of the vertical rod unit, and a connecting fork unit which is combined on the upper rod of the auxiliary bicycle frame and connected with a rear wheel shaft of the main bicycle, and the main bicycle and the auxiliary bicycle are connected front and back to form the convertible tandem bicycle. The technical scheme of the patent also belongs to a purpose-made cooperative bicycle, and is not suitable for refitting a general bicycle after purchase; in addition, the auxiliary bicycle in the patent technical scheme is rigidly connected with the seat tube and the rear wheel of the main bicycle, the structure can only be used for the tandem bicycle with very flat and slow road in a tourist area, and for the universal bicycle which is refitted into the tandem bicycle, the structure has poor rigidity and shock absorption performance, so that the overturning of the auxiliary bicycle at the rear part is easy to cause. There is therefore a need for improvements.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem: the utility model provides a double tandem automotive vehicle of general type shock attenuation, the utility model discloses to general type bicycle, under the prerequisite that does not change any structure of bicycle, only need tear the front wheel assembly of supplementary bicycle open, the main car saddle pipe with supplementary bicycle of supplementary bicycle manages and links together through drawing coupling assembling, can form double tandem bicycle, and this structure general type is good, applicable in the bicycle repacking of various models.

The utility model adopts the technical proposal that: the general damping double-person cooperative bicycle comprises a main bicycle and an auxiliary bicycle, wherein the main bicycle is a complete general bicycle, the auxiliary bicycle is not provided with a front wheel assembly on the basis of the general bicycle, and the auxiliary bicycle is arranged at the rear part of the main bicycle;

the main bicycle comprises a main bicycle seat assembly, and the main bicycle seat assembly comprises a main bicycle seat tube; the auxiliary bicycle comprises an auxiliary bicycle head assembly, and the auxiliary bicycle head assembly comprises an auxiliary bicycle head pipe; the auxiliary vehicle head pipe is connected with the main vehicle seat pipe through a traction connecting assembly, the rear end of the traction connecting assembly is fixedly connected with the auxiliary vehicle head pipe, and the front end of the traction connecting assembly is connected with the main vehicle seat pipe and can move left and right and up and down.

In a preferable mode of the scheme, the traction connecting assembly comprises a traction frame, the rear end of the traction frame is fixedly connected with a rear connecting seat, and the rear connecting seat is fixedly sleeved on a head pipe of the auxiliary vehicle; the main car seat pipe passes through connecting seat before locking screw fixedly connected with, swing joint seat about preceding connecting seat is connected with through connecting axle I, swing joint seat can control the round connecting axle I and rotate about, swing joint seat about end fixedly connected with before the traction frame, swing joint seat passes through connecting axle II with about with swing joint seat and is connected, swing joint seat can rotate about connecting axle II from top to bottom.

In a preferred embodiment of the above aspect, the traction frame is made to bow upward according to the structure of the rear wheel of the main bicycle.

To the preferred mode of above-mentioned scheme, main bicycle includes main car frame, the lower part is equipped with main car front wheel assembly before the main car frame, main car rear wheel assembly is equipped with to main car frame rear lower part, main car frame front upper portion is equipped with main car locomotive assembly, main car frame middle and lower part is equipped with main car pedal transmission assembly, main car frame middle and upper portion is equipped with main car saddle assembly, main car saddle assembly passes through main car saddle pipe and is connected with main car frame.

In a preferable mode of the above scheme, the auxiliary bicycle comprises an auxiliary bicycle frame, an auxiliary bicycle rear wheel assembly is arranged on the rear lower portion of the auxiliary bicycle frame, an auxiliary bicycle head assembly is arranged on the front upper portion of the auxiliary bicycle frame and connected with the auxiliary bicycle frame through an auxiliary bicycle head pipe, an auxiliary bicycle pedal transmission assembly is arranged on the middle lower portion of the auxiliary bicycle frame, and an auxiliary bicycle seat assembly is arranged on the middle upper portion of the auxiliary bicycle frame.

The utility model has the advantages compared with the prior art:

1. aiming at the universal bicycle, on the premise of not changing any structure of the bicycle, the double-person assistant bicycle can be formed by only disassembling the front wheel assembly of the assistant bicycle and connecting the head pipe of the assistant bicycle and the seat pipe of the main bicycle through the traction connecting assembly;

2. the auxiliary bicycle head pipe of auxiliary bicycle links together through pulling coupling assembling with main bicycle saddle pipe of main bicycle in this scheme, and pulls coupling assembling front end and main being connected of main bicycle saddle pipe and can guarantee to pull coupling assembling front end about activity from top to bottom, forms the flexonics to when going at a high speed and the rugged road surface of road, can reduce the vibrations that main bicycle draws and to the influence that auxiliary bicycle produced, prevent auxiliary bicycle from overturning.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic structural view of the middle traction connection assembly of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.

Referring to fig. 1-2, embodiments of the present invention are detailed.

The general type shock-absorbing tandem bicycle, as shown in fig. 1, includes a main bicycle 1 and an auxiliary bicycle 2.

The main bicycle 1 is a complete universal bicycle, the main bicycle 1 comprises a main bicycle frame 1-1, a main bicycle front wheel assembly 1-3 is arranged at the front lower part of the main bicycle frame 1-1, a main bicycle rear wheel assembly 1-4 is arranged at the rear lower part of the main bicycle frame 1-1, a main bicycle head assembly 1-6 is arranged at the front upper part of the main bicycle frame 1-1, a main bicycle pedal transmission assembly 1-5 is arranged at the middle lower part of the main bicycle frame 1-1, a main bicycle saddle assembly 1-2 is arranged at the middle upper part of the main bicycle frame 1-1, and the main bicycle saddle assembly 1-2 is connected with the main bicycle frame 1-1 through a main bicycle saddle pipe 1-2-1.

The auxiliary bicycle 2 is characterized in that a front wheel assembly is not arranged on the basis of a general bicycle, the auxiliary bicycle 2 comprises an auxiliary bicycle frame 2-1, an auxiliary bicycle rear wheel assembly 2-4 is arranged on the lower rear portion of the auxiliary bicycle frame 2-1, an auxiliary bicycle head assembly 2-2 is arranged on the upper front portion of the auxiliary bicycle frame 2-1, the auxiliary bicycle head assembly 2-2 is connected with the auxiliary bicycle frame 2-1 through an auxiliary bicycle head pipe 2-2-1, an auxiliary bicycle pedal transmission assembly 2-5 is arranged on the lower middle portion of the auxiliary bicycle frame 2-1, and an auxiliary bicycle seat assembly 2-3 is arranged on the upper middle portion of the auxiliary bicycle frame 2-1.

The auxiliary bicycle 2 is arranged at the rear part of the main bicycle 1; the auxiliary vehicle head pipe 2-2-1 is connected with the main vehicle seat pipe 1-2-1 through a traction connecting assembly 3, the rear end of the traction connecting assembly 3 is fixedly connected with the auxiliary vehicle head pipe 2-2-1, and the front end of the traction connecting assembly 3 is connected with the main vehicle seat pipe 1-2-1 and can move left, right, up and down.

The above-mentioned structure of this embodiment is to general type bicycle, under the prerequisite that does not change any structure of bicycle, only needs to tear down the front wheel assembly of supplementary bicycle, links together the head pipe of the auxiliary car of supplementary bicycle and the main car saddle pipe of main bicycle through pulling coupling assembling, can form double bicycle of acting in coordination, and this general type of structure is good, applicable in the bicycle repacking of various models.

Referring to fig. 2, the traction connection assembly 3 comprises a traction frame 3-1, a rear connection seat 3-2 is fixedly connected to the rear end of the traction frame 3-1, and the rear connection seat 3-2 is fixedly sleeved on a head pipe 2-2-1 of the auxiliary vehicle; the main locomotive seat pipe 1-2-1 is fixedly connected with a front connecting seat 3-3 through a locking screw 3-4, the front connecting seat 3-3 is connected with a left movable connecting seat 3-6 and a right movable connecting seat 3-6 through a connecting shaft I3-5, the left movable connecting seat 3-6 and the right movable connecting seat 3-6 can rotate left and right around the connecting shaft I3-5, the front end of the traction frame 3-1 is fixedly connected with an upper movable connecting seat 3-7 and a lower movable connecting seat 3-7, the upper movable connecting seat 3-7 and the left movable connecting seat 3-6 are connected through a connecting shaft II 3-8, and the upper movable connecting seat 3-7 and the lower movable connecting seat 3-7 can rotate up and down around the connecting shaft II 3-8.

Preferably, the traction frame 3-1 is made to bow upward according to the structure of the rear wheel of the main bicycle 1.

The connection of the front end of the traction connection assembly and the seat tube of the main bicycle can ensure that the front end of the traction connection assembly moves left and right and up and down to form flexible connection, so that the influence of vibration caused by the main bicycle on the auxiliary bicycle can be reduced when the main bicycle runs at a high speed and on a rugged road, and the auxiliary bicycle is prevented from being overturned.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Double tandem automotive vehicle of general type shock attenuation, its characterized in that: the bicycle comprises a main bicycle (1) and an auxiliary bicycle (2), wherein the main bicycle (1) is a complete general bicycle, the auxiliary bicycle (2) is not provided with a front wheel assembly on the basis of the general bicycle, and the auxiliary bicycle (2) is arranged at the rear part of the main bicycle (1);

the main bicycle (1) comprises a main bicycle seat assembly (1-2), and the main bicycle seat assembly (1-2) comprises a main bicycle seat tube (1-2-1); the auxiliary bicycle (2) comprises an auxiliary bicycle head assembly (2-2), and the auxiliary bicycle head assembly (2-2) comprises an auxiliary bicycle head pipe (2-2-1); the auxiliary vehicle head pipe (2-2-1) is connected with the main vehicle seat pipe (1-2-1) through a traction connecting assembly (3), the rear end of the traction connecting assembly (3) is fixedly connected with the auxiliary vehicle head pipe (2-2-1), and the front end of the traction connecting assembly (3) is connected with the main vehicle seat pipe (1-2-1) and can move left, right, up and down.

2. The universal shock-absorbing double cooperative automotive vehicle according to claim 1, wherein: the traction connecting assembly (3) comprises a traction frame (3-1), the rear end of the traction frame (3-1) is fixedly connected with a rear connecting seat (3-2), and the rear connecting seat (3-2) is fixedly sleeved on a head pipe (2-2-1) of the auxiliary vehicle; the main vehicle seat pipe (1-2-1) is fixedly connected with a front connecting seat (3-3) through a locking screw (3-4), the front connecting seat (3-3) is connected with a left movable connecting seat (3-6) and a right movable connecting seat (3-6) through a connecting shaft I (3-5), the left movable connecting seat and the right movable connecting seat (3-6) can rotate left and right around the connecting shaft I (3-5), the front end of the traction frame (3-1) is fixedly connected with an upper movable connecting seat and a lower movable connecting seat (3-7), the upper movable connecting seat and the lower movable connecting seat (3-7) are connected with the left movable connecting seat and the right movable connecting seat (3-6) through a connecting shaft II (3-8), and the upper movable connecting seat and the lower movable connecting seat (3-7) can rotate up and down around the connecting shaft II (3-8).

3. The universal shock-absorbing double cooperative automotive vehicle according to claim 2, wherein: the traction frame (3-1) is made into an upward bow structure according to the structure of the rear wheel of the main bicycle (1).

4. The universal shock-absorbing double cooperative automotive vehicle according to claim 1, wherein: the main bicycle (1) comprises a main bicycle frame (1-1), a main bicycle front wheel assembly (1-3) is arranged on the front lower portion of the main bicycle frame (1-1), a main bicycle rear wheel assembly (1-4) is arranged on the rear lower portion of the main bicycle frame (1-1), a main bicycle head assembly (1-6) is arranged on the front upper portion of the main bicycle frame (1-1), a main bicycle pedal transmission assembly (1-5) is arranged on the middle lower portion of the main bicycle frame (1-1), a main bicycle seat assembly (1-2) is arranged on the middle upper portion of the main bicycle frame (1-1), and the main bicycle seat assembly (1-2) is connected with the main bicycle frame (1-1) through a main bicycle seat pipe (1-2-1).

5. The universal shock-absorbing double cooperative automotive vehicle according to claim 1, wherein: the auxiliary bicycle (2) comprises an auxiliary bicycle frame (2-1), an auxiliary bicycle rear wheel assembly (2-4) is arranged at the lower rear part of the auxiliary bicycle frame (2-1), an auxiliary bicycle head assembly (2-2) is arranged at the upper front part of the auxiliary bicycle frame (2-1), the auxiliary bicycle head assembly (2-2) is connected with the auxiliary bicycle frame (2-1) through an auxiliary bicycle head pipe (2-2-1), an auxiliary bicycle pedal transmission assembly (2-5) is arranged at the lower middle part of the auxiliary bicycle frame (2-1), and an auxiliary bicycle seat assembly (2-3) is arranged at the upper middle part of the auxiliary bicycle frame (2-1).