CN203740060U

CN203740060U - Folding bicycle frame

Info

Publication number: CN203740060U
Application number: CN201320837170.6U
Authority: CN
Inventors: 曹治夫
Original assignee: TIANJIN XICHANG BICYCLE CO Ltd
Current assignee: TIANJIN XICHANG BICYCLE CO Ltd
Priority date: 2013-12-14
Filing date: 2013-12-14
Publication date: 2014-07-30
Anticipated expiration: 2023-12-14

Abstract

The utility model provides a folding bicycle frame which comprises a head tube, a middle tube and a lower fork. The middle tube comprises a front tube and a back tube, the front tube and the back tube are arranged on the same horizontal line and form rotatable connection through a folding assembly, and the folding assembly comprises a bolt, a spring installed on the bolt in a sleeved mode, a locking handle arranged at the end of the bolt and a connecting plate. The folding bicycle frame has the advantages of being simple in structure, convenient to carry and low in manufacturing cost.

Description

A kind of folding frame for bicycle

Technical field

The utility model belongs to bicycle field, especially relates to a kind of folding frame for bicycle.

Background technology

Bicycle is not only a kind of convenient, the vehicle of environmental protection, and can be used as again motion, the equipment of body-building, because bicycle volume is large, go out to carry inconvenience, especially at vehicle seat automobile, when the large-scale public transport means such as subway, need to take larger space, in order to allow bicycle more easily collect and to carry, more the Foldable bicycle occurring in the market adopts and in rotating shaft, is socketed respectively two sleeve pipes that can phase countershaft rotate, due to the sleeve structure adopting respectively, increase bicycle weight, be not easy to carry, and cause the raising of bicycle cost.

Summary of the invention

Problem to be solved in the utility model is to provide a kind of vehicle frame of simple in structure, portable Collapsible bicycle.

For solving the problems of the technologies described above, the technical solution adopted in the utility model comprises head tube, middle pipe and lower fork, it is characterized in that: middle pipe comprises front and rear tube, described front and rear tube setting mutually forms and is rotatably connected in the same horizontal line and by Foldable assembly.

Further, described Foldable assembly comprises bolt, is sleeved on the spring on bolt, clamp handle and the connecting panel that bolt end arranges, connecting panel is the parallel both sides up and down that are oppositely arranged on front and rear tube respectively, and are formed and be rotatably connected with front and rear tube respectively by rotating shaft.

Advantage and the good effect that the utlity model has are: owing to adopting technique scheme, by being arranged on the Foldable assembly between front and rear tube, bicycle is folding in middle part, need to fold time, first, unclamp the clamp handle that is arranged on bolt end, by the spring being arranged on bolt, connecting panel is unclamped from front and rear tube both sides, then bicycle is folded, the utlity model has simple in structure, be easy to carry, the advantage of low cost of manufacture.

Brief description of the drawings

Fig. 1 is the structural representation of the utility model vehicle frame

Fig. 2 is the structural representation of Foldable assembly in Fig. 1

In figure:

1, head tube 2, front pipe 3, rear pipe

4, lower fork 5, Foldable assembly 6, spring

7, bolt 8, rotating shaft 9, clamp handle

10, connecting panel

Detailed description of the invention

As shown in Fig. 1 to 2, the utility model comprises head tube 1, middle pipe and lower fork 4, it is characterized in that: middle pipe comprises front pipe 2 and rear pipe 3, described front pipe 2 and rear pipe 3 arranges in the same horizontal line and mutually formed and be rotatably connected by Foldable assembly 5; Further, described Foldable assembly 5 comprises bolt 7, is sleeved on the spring 6 on bolt, clamp handle 9 and the connecting panel 10 that bolt 7 ends arrange, connecting panel 10 is the parallel both sides up and down that are oppositely arranged on front pipe 2 and rear pipe 3 respectively, and are formed and be rotatably connected with front pipe 2 and rear pipe 3 respectively by rotating shaft 8.

Owing to adopting technique scheme, by being arranged on the Foldable assembly 5 between front pipe 2 and rear pipe 3, bicycle is folding in middle part, need to fold time, first, unclamp the clamp handle 9 that is arranged on bolt 7 ends, by be arranged on spring 6 on bolt 7 by connecting panel 10 manage in the past 2 and rear pipe 3 both sides unclamp, then, bicycle is folded.

Above embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalization variation and improvement etc. of doing according to the utility model scope, within all should still belonging to this patent covering scope.

Claims

1. a folding frame for bicycle, comprises head tube, middle pipe and lower fork, it is characterized in that: middle pipe comprises front and rear tube, and described front and rear tube setting mutually forms and is rotatably connected in the same horizontal line and by Foldable assembly.

2. folding frame for bicycle according to claim 1, it is characterized in that: described Foldable assembly comprises bolt, is sleeved on the spring on bolt, clamp handle and the connecting panel that bolt end arranges, connecting panel is the parallel both sides up and down that are oppositely arranged on front and rear tube respectively, and are formed and be rotatably connected with front and rear tube respectively by rotating shaft.