CN205034270U

CN205034270U - Bicycle frame's novel back fork hook structure

Info

Publication number: CN205034270U
Application number: CN201520703662.5U
Authority: CN
Inventors: 王志刚
Original assignee: Tianjin Tong Tuo Metalwork LLC
Current assignee: Tianjin Tong Tuo Metalwork LLC
Priority date: 2015-09-10
Filing date: 2015-09-10
Publication date: 2016-02-17
Anticipated expiration: 2025-09-10

Abstract

The utility model relates to a bicycle frame's novel back fork hook structure, related frame include preceding riser, crossbeam, sloping, back riser and pitch the roof beam to one side, adorns crossbeam and sloping respectively admittedly with the plane between riser and the back riser in the front, adorns oblique fork roof beam admittedly at the rear side of back riser, has a back fork hook of connection rear wheel axle in the back tip system of sloping, back fork hook top coaxial arrangement jackscrew. Can conveniently adjust the wheel base of rear wheel axle in this structure through the jackscrew, the regulation is simple, stable in structure is reliable, improves production efficiency. There are derailleur mounting hole and goods shelves mounting hole through a system in this structure, improved the commonality of frame, effectively reduce administrative cost. The utility model discloses simple structure, design scientific and reasonable, design are ingenious, and swift, the stable in structure of regulative mode effectively improves production efficiency.

Description

A kind of novel back vent hook structure of cycle frame

Technical field

The utility model belongs to technical field of bicycles, especially a kind of novel back vent hook structure of cycle frame.

Background technology

Bicycle also known as bicycle or bicycle, the normally two small-sized land-going machines of taking turns.After people rides car, being power with foot pedal, is the vehicle of environmental protection.

The rear fork hook of cycle frame, for installing rear vehicle shaft, due to the difference of vehicle size, need regulate the wheelbase between two axletrees when installing whole car, general by the distance of adjustment rear vehicle shaft relative to vehicle frame.

The mode of traditional adjustment rear vehicle shaft is loaded down with trivial details, and the firmness installed is poor.

Utility model content

The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of novel back vent hook structure of cycle frame.

Scheme of the present utility model is achieved in that

A kind of novel back vent hook structure of cycle frame, involved vehicle frame comprises front standpipe, crossbeam, cant beam, rear profile tube and tiltedly pitches beam, between front standpipe and rear profile tube, isoplanar is fixedly mounted with crossbeam and cant beam respectively, be fixedly mounted with at the rear side of rear profile tube and tiltedly pitch beam, be shaped with the rear fork hook connecting rear vehicle shaft in the rearward end of cant beam, jackscrew is coaxially installed in described rear fork hook top.

And described rear fork hook lower position is integrally shaped with and connects the change-speed box mounting hole of change-speed box, to the rear fork hook upper position of change-speed box mounting hole should integrally be shaped with shelf mounting hole.

Advantage of the present utility model and good effect are:

1, in this structure by the wheelbase of the conveniently adjusted rear vehicle shaft of jackscrew, regulate simple, Stability Analysis of Structures is reliable, enhance productivity.

2, pass through in this structure to be integrally shaped with change-speed box mounting hole and shelf mounting hole, improve the commonality of vehicle frame, effectively reduce handling cost.

3, simple, the design science of the utility model structure rationally, be skillfully constructed, regulative mode is quick, Stability Analysis of Structures, effectively enhances productivity.

Accompanying drawing explanation

Fig. 1 is front view of the present utility model;

Fig. 2 is the structural representation of rear fork hook in Fig. 1.

Detailed description of the invention

Below in conjunction with accompanying drawing, also by specific embodiment, the utility model is described in further detail.

A kind of novel back vent hook structure of cycle frame, as shown in Figure 1, involved vehicle frame comprises front standpipe 1, crossbeam 2, cant beam 4, rear profile tube 5 and tiltedly pitches beam 6, between front standpipe and rear profile tube, isoplanar is fixedly mounted with crossbeam and cant beam respectively, be fixedly mounted with at the rear side of rear profile tube and tiltedly pitch beam, be shaped with the rear fork hook 7 connecting rear vehicle shaft in the rearward end of cant beam.

Innovative point of the present utility model is:

As shown in Figure 2, for the ease of regulating the wheelbase of rear vehicle shaft, jackscrew 8 is coaxially installed at described rear fork hook top to the structure of described rear fork hook, is regulated by rear vehicle shaft after putting in place and is fixed by jackscrew, avoid occurring that rear vehicle shaft fixes problem loosely.

In the present embodiment, described rear fork hook lower position is integrally shaped with and connects the change-speed box mounting hole 10 of change-speed box, to the rear fork hook upper position of change-speed box mounting hole should integrally be shaped with shelf mounting hole 9.

The utility model has the advantages of for:

It is emphasized that; embodiment described in the utility model is illustrative; instead of it is determinate; therefore the utility model comprises the embodiment be not limited to described in detailed description of the invention; every other embodiments drawn according to the technical solution of the utility model by those skilled in the art, belong to the scope of the utility model protection equally.

Claims

1. the novel back vent hook structure of a cycle frame, involved vehicle frame comprises front standpipe, crossbeam, cant beam, rear profile tube and tiltedly pitches beam, between front standpipe and rear profile tube, isoplanar is fixedly mounted with crossbeam and cant beam respectively, be fixedly mounted with at the rear side of rear profile tube and tiltedly pitch beam, be shaped with the rear fork hook connecting rear vehicle shaft in the rearward end of cant beam, it is characterized in that: jackscrew is coaxially installed in described rear fork hook top.

2. the novel back vent hook structure of cycle frame according to claim 1, it is characterized in that: described rear fork hook lower position is integrally shaped with and connects the change-speed box mounting hole of change-speed box, to the rear fork hook upper position of change-speed box mounting hole should integrally be shaped with shelf mounting hole.