CN215922462U

CN215922462U - Tail hook structure of bicycle

Info

Publication number: CN215922462U
Application number: CN202121504079.3U
Authority: CN
Inventors: 占乐飞; 季雪峰
Original assignee: Hangzhou Zhuofeng Hardware Co ltd
Current assignee: Hangzhou Zhuofeng Hardware Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-03-01
Anticipated expiration: 2031-07-01

Abstract

The application relates to a bicycle tail colludes structure includes: the tail colludes the main part, and the tail colludes the main part and is the slice, and front side upper portion are provided with connecting portion, have seted up the race in the rear side direction, and the lower part that the tail colluded the main part is convex arc structure, and the tail colludes the convex arc structure of main part bottom and the innermost line of race and be perpendicular to the horizontal plane. Through colluding the rear fork end of structure fixed mounting to bicycle frame with the bicycle tail of this application, be connected with the rear wheel, the tail colludes the effectual whole rigidity that increases the tail and colluded of lower extreme convex arc structure of main part, and race innermost position department fixed mounting rear wheel, collude the bottom of main part convex arc structure for the tail under this position, the biggest department of main part width is colluded to the corresponding tail of rear wheel mounting point promptly, reasonable increase structural strength and convex arc structure bottom is perpendicular with the horizontal plane with race innermost line, the homodisperse stress of being convenient for, avoid stress concentration's problem as far as possible.

Description

Tail hook structure of bicycle

Technical Field

The application relates to the field of bicycles, in particular to a bicycle tail hook structure.

Background

The rear supporting point of the bicycle is arranged at the joint of the frame rear fork and the rear wheel, namely the tail hook position of the frame rear fork, the rigidity strength required by the structure is high, when the bicycle falls down, the whole bicycle has potential safety hazards, even the tail hook is slightly deformed, the influence on the whole bicycle condition is increased more and more along with the lapse of time, and the rigidity strength of the tail hook needs to be further improved.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present application provides a bicycle tail hook structure, which includes a tail hook main body; the tail colludes the main part and is the slice, and front side upper portion are provided with connecting portion, and the rear side is to having seted up the race in to the side direction, the lower part that the main part was colluded to the tail is the arc structure, just the tail collude the convex arc structure of main part bottom with the innermost line in race is mutually perpendicular with the horizontal plane.

In one possible implementation manner, the width of the tail hook body gradually increases from the two ends to the middle part.

In a possible implementation mode, the inner walls of the wheel grooves are parallel, and the innermost ends of the wheel grooves are arc-shaped and are suitable for being matched with wheel shafts.

In one possible implementation, the connecting portion includes an upper connecting section and a lower connecting section; the upper section is arc-shaped, the tail end of the upper section is connected with the upper part of the front side of the tail hook main body, and the front end of the upper section is suitable for being fixedly connected with the rear upper fork of the frame; the connecting lower section is square, the tail end of the connecting lower section is connected with the front side of the tail hook main body, and the front end of the connecting lower section is suitable for being fixedly connected with the rear lower fork of the frame.

In one possible implementation manner, the tail hook body includes a first body and a second body; the first main body is of a triangular plate structure, and the upper section is fixedly connected with the part, close to the front side, of the triangular plate; the second main body is of a rectangular plate structure, the upper portion of the second main body is fixedly connected with the lower portion of the first main body, and the wheel groove is formed in the rear portion of the second main body.

In one possible implementation, the tail hook body and the connecting portion are integrally formed.

In a possible implementation manner, the front side position of the lower connecting section is provided with a notch which is symmetrical up and down.

In a possible implementation manner, a first mounting hole is formed on the upper section; a second mounting hole is formed in the lower connecting section; the first mounting hole and the second mounting hole are both suitable for being matched with a mounting hole of a rear fork of a frame.

In one possible implementation, the corners of the tail hook body are rounded.

The beneficial effect of this application: through colluding the rear fork end of structure fixed mounting to bicycle frame with the bicycle tail of this application, be connected with the rear wheel, the tail colludes the effectual whole rigidity that increases the tail and colluded of lower extreme convex arc structure of main part, and race innermost position department fixed mounting rear wheel, collude the bottom of main part convex arc structure for the tail under this position, the biggest department of main part width is colluded to the corresponding tail of rear wheel mounting point promptly, reasonable increase structural strength and convex arc structure bottom is perpendicular with the horizontal plane with race innermost line, the homodisperse stress of being convenient for, avoid stress concentration's problem as far as possible.

Other features and aspects of the present application will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features, and aspects of the application and, together with the description, serve to explain the principles of the application.

FIG. 1 illustrates a front view of a bicycle tail hook structure in accordance with an embodiment of the present application.

Detailed Description

Various exemplary embodiments, features and aspects of the present application will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

It will be understood, however, that the terms "central," "longitudinal," "lateral," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present application or for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.

Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present application.

As shown in fig. 1, the bicycle tail hook structure includes: the tail colludes main part 10, and the tail colludes main part 10 is the slice, and front side upper portion are provided with connecting portion 20, have seted up race 40 in the rear side direction, and the lower part that the tail colluded main part 10 is convex arc structure 30, and the tail colludes the innermost line of convex arc structure 30 bottommost and race 40 of main part 10 and is perpendicular with the horizontal plane.

In this kind of possible implementation, through the rear fork end with the bicycle rear hook structure fixed mounting to bicycle frame of this application, be connected with the rear wheel, the tail colludes the effectual whole rigidity that increases the tail and colludes of lower extreme convex arc structure 30 of main part 10, and race 40 innermost position department fixed mounting rear wheel, collude main part 10 convex arc structure 30 bottommost for the tail under this position, the rear wheel mounting point corresponds the biggest department of tail colluding main part 10 width promptly, reasonable increase structural strength and convex arc structure 30 bottommost and race 40 innermost line is perpendicular with the horizontal plane, the homodisperse stress of being convenient for, avoid stress concentration's problem as far as possible.

More specifically, for convenience of description, the right side in fig. 1 is a front side of the tail hook body 10, the front side and the upper portion of the front side of the tail hook body 10 are used for being fixedly connected with a bicycle frame, the left side in fig. 1 is a rear side of the tail hook body 10, the upper portion and the lower portion in fig. 1 are an upper end and a lower end of the tail hook body 10, and the innermost end of the wheel groove 40, i.e., the end of the wheel groove 40 extending towards the center of the tail hook body 10.

In one possible implementation, the width of the tail hook body 10 gradually increases from the two ends to the middle.

In this kind of possible realization, the width that the tail colluded main part 10 reaches the biggest at the middle part position, and race 40 is seted up from the back to the front of tail colluding the structure, and the innermost of race 40 extends to the middle part that the tail colluded main part 10, guarantees that its mounted position is stable firm.

In one possible implementation, the inner walls of the wheel grooves 40 are parallel and the innermost end of the wheel grooves 40 is arc-shaped, suitable for mating with an axle.

In a possible implementation manner, the connection portion 20 includes an upper section 21 and a lower section 22, the upper section 21 is in a circular arc shape, the end of the upper section 21 is connected to the upper portion of the front side of the tail hook main body 10, the front end is suitable for being fixedly connected to the upper fork behind the frame, the lower section 22 is in a square shape, the end of the lower section 22 is connected to the front side of the tail hook main body 10, and the front end is suitable for being fixedly connected to the lower fork behind the frame.

In this kind of possible realization, connecting portion 20 and bicycle frame can be welded fastening, also can be detachable connection, make split type tail promptly and collude, be convenient for technical staff in the field to dismantle the rear wheel and maintain.

In a possible implementation manner, the tail hook body 10 includes a first body 11 and a second body 12, the first body 11 is in a triangular plate structure, the upper section 21 is fixedly connected with a portion close to the front side in the triangular plate shape, the second body 12 is in a rectangular plate structure, the upper portion of the second body 12 is fixedly connected with the lower portion of the first body 11, and the wheel groove 40 is disposed at the rear portion of the second body 12.

In one possible implementation, the tail hook body 10 is integrally formed with the connecting portion 20.

In one possible implementation, the lower connecting segment 22 is notched at a front position thereof in an up-and-down symmetrical manner.

In a possible implementation manner, the upper section 21 is provided with a first mounting hole, the lower section 22 is provided with a second mounting hole, and the first mounting hole and the second mounting hole are both suitable for being matched with a mounting hole of a rear fork of a frame.

In one possible implementation, the corners of the tail hook body 10 are rounded.

Having described embodiments of the present application, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A tail hook structure of a bicycle is characterized by comprising a tail hook main body;

the tail colludes the main part and is the slice, and front side upper portion are provided with connecting portion, and the rear side is to having seted up the race in, the lower part that the main part was colluded to the tail is convex arc structure, just the tail collude the arc structure of main part bottom with the innermost line in race is mutually perpendicular with the horizontal plane.

2. The bicycle tail hook structure according to claim 1, wherein the width of the tail hook body gradually increases from the two ends to the middle portion.

3. The bicycle tail hook structure according to claim 1, wherein the wheel groove is horizontally formed in the tail hook body, the upper inner wall and the lower inner wall of the wheel groove are parallel, and the innermost end of the wheel groove is arc-shaped and is suitable for being matched with a wheel axle.

4. The bicycle tail hook structure according to claim 1, wherein the connecting portion includes an upper section and a lower section;

the upper section is arc-shaped, the tail end of the upper section is connected with the upper part of the front side of the tail hook main body, and the front end of the upper section is suitable for being fixedly connected with the rear upper fork of the frame;

the connecting lower section is square, the tail end of the connecting lower section is connected with the front side of the tail hook main body, and the front end of the connecting lower section is suitable for being fixedly connected with the rear lower fork of the frame.

5. The bicycle tail hook structure according to claim 4, wherein the tail hook body comprises a first body and a second body;

the first main body is of a triangular plate structure, and the upper section is fixedly connected with the part, close to the front side, of the triangular plate;

the second main body is of a rectangular plate structure, the upper portion of the second main body is fixedly connected with the lower portion of the first main body, the figure arc-shaped structure is arranged on the lower portion of the second main body, and the wheel groove is arranged on the rear portion of the second main body.

6. The bicycle tail hook structure according to claim 1, wherein the tail hook body is integrally formed with the connecting portion.

7. The bicycle tail hook structure of claim 4, wherein the front position of the connecting lower segment is provided with notches which are symmetrical up and down.

8. The bicycle tail hook structure according to claim 4, wherein the upper section is provided with a first mounting hole;

a second mounting hole is formed in the lower connecting section;

the first mounting hole and the second mounting hole are both suitable for being matched with a mounting hole of a rear fork of a frame.

9. The bicycle tail hook structure of claim 1, wherein the corners of the tail hook body are rounded.