CN212099212U

CN212099212U - Bicycle vertical tube

Info

Publication number: CN212099212U
Application number: CN201922340593.7U
Authority: CN
Inventors: 杨兴雨
Original assignee: Taicang Siput Automobile Co ltd
Current assignee: Taicang Siput Automobile Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-12-08
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses a bicycle riser, including the front fork closes piece fixed cover, spacing boss, goes up riser, handlebar fixed cover, hexagonal groove set up screw, go up riser spacing groove, screw thread post, lower riser and lower riser spacing groove, the riser side is located to the fixed cover of front fork closes piece, the screw thread post is fixed in down on the riser, the riser up end is equipped with spacing boss down, the riser inside wall is equipped with down the riser spacing groove down, it locates down the riser upper end to go up the riser, it is equipped with the riser spacing groove to go up the riser lower extreme, it installs with spacing boss cooperation to go up the riser spacing groove, hexagonal groove set up screw is located inside the riser, the handlebar fixed cover is fixed in the riser up end through fixation nut. The utility model discloses improve traditional bicycle riser, change traditional two segmentation risers into multistage multiple structure formula, its spare part mutual independence has stronger expansibility and better flexibility, not only conveniently changes but also has saved the resource.

Description

Bicycle vertical tube

Technical Field

The utility model belongs to the field of bicycle parts; relates to the assembly technology of parts; in particular to a bicycle vertical pipe.

Background

Bicycles, also known as bicycles or bicycles, are typically two-wheeled small land vehicles. After a person rides the vehicle, the person steps on the pedal as power, and the vehicle is a green and environment-friendly vehicle. The bicycle is of various types, including single-person bicycles, double-person bicycles and multi-person bicycles. The bicycles are used as environment-friendly vehicles for riding instead of walking and going out from the time to the present, and with the development of the time, more and more people use the bicycles as fitness equipment for riding exercise and bicycle touring. The stand pipe is an indispensable part of the bicycle, the stand pipe of the bicycle on the market has great limitation and inflexibility, the structure is simple, all parts are related to each other, when a certain part in the stand pipe breaks down, the whole stand pipe device needs to be replaced, the replacement is complicated and troublesome, the replacement of the whole stand pipe device due to a certain part causes resource waste, and therefore the stand pipe of the bicycle, the parts of which are independent and convenient to replace, is urgent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bicycle riser.

The purpose of the utility model can be realized by the following technical scheme:

bicycle riser, including front fork closes piece fixed cover, spacing boss, last riser, handlebar fixed cover, hexagonal groove set up screw, last riser spacing groove, screw thread post, lower riser and lower riser spacing groove, the fixed cover of front fork closes the piece and locates down the riser side, the screw thread post is fixed in down on the riser, the riser up end is equipped with spacing boss down, the riser inside wall is equipped with down the riser spacing groove down, go up the riser and locate down the riser upper end, it is equipped with the riser spacing groove to go up the riser lower extreme, it installs with spacing boss cooperation to go up the riser spacing groove, the hexagonal groove is set up inside the riser to the screw and is located, handlebar fixed cover is fixed in the riser up end through fixation nut.

One end of the threaded column is fixed on the upper half part of the lower vertical pipe, and the other end of the threaded column extends upwards to penetrate through the upper vertical pipe.

The bottom surface of the handlebar fixing cover is round, the top end of the side surface of the handlebar fixing cover is semicircular, and the bottom end of the side surface of the handlebar fixing cover is semicircular.

The hexagonal groove fastening screw is a screw-shaped nut sleeve without a bottom below an upper groove, threads are tapped on the inner wall of the lower side of the hexagonal groove fastening screw, and the hexagonal groove fastening screw is in threaded fit with the threaded column.

The upper vertical pipe is a cylindrical alloy product with a limiting hole in the middle, when the lower vertical pipe is matched with the upper vertical pipe, the threaded column of the lower vertical pipe just penetrates through the limiting hole, the upper end part of the upper vertical pipe is in a semicircular hole shape, and the handlebar fixing cover is connected with the upper vertical pipe to form a complete circular hole.

The lower vertical pipe is a cylindrical alloy product with a limiting hole in the middle, and the lower end part of the threaded column is fixed in the limiting hole of the lower vertical pipe.

The anti-skidding handlebar is characterized in that anti-skidding lines are arranged at the upper end and the lower end of the upper vertical pipe, the anti-skidding lines are arranged on the lower end face, in contact with the upper vertical pipe, of the handlebar fixing cover, and the anti-skidding lines are arranged on the upper end face, in contact with the upper vertical pipe, of the lower vertical pipe.

The utility model has the advantages that: the utility model discloses improve traditional bicycle riser, change traditional two segmentation risers into multistage multi-structure formula, its spare part mutual independence, contact each other again, make each part on the whole riser all can dismantle, the utility model discloses when certain part breaks down in the use, the user can directly dismantle the part of changing the damage according to damaging the part, and needn't change whole riser device, not only conveniently change, and avoided the unnecessary waste to save the resource, the utility model discloses a independence has between each part, makes it have the controllability, and convenient replacement compares bicycle riser device on the market, has stronger expansibility and better flexibility, and it not only conveniently changes and has avoided the unnecessary waste to save the resource.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of a bicycle stem of the present invention;

FIG. 2 is a schematic view of the threaded post assembly of the bicycle stem of the present invention;

FIG. 3 is a schematic view of a handlebar fixing cover of a bicycle stem according to the present invention;

FIG. 4 is a schematic view of a hexagonal groove fastening screw of the bicycle stem of the present invention;

FIG. 5 is a schematic view of an upper stem of the bicycle stem of the present invention;

FIG. 6 is a schematic view of an upper stem assembly structure of the bicycle stem of the present invention;

fig. 7 is a schematic view of a lower stem of the bicycle stem of the present invention.

Detailed Description

As shown in fig. 1-7, a bicycle stem comprises a front fork assembly fixing cover 1, a limiting boss 2, an upper stem 3, a handle fixing cover 4, a hexagonal groove fastening screw 5, an upper stem limiting groove 6, a threaded post 7, a lower stem 8 and a lower stem limiting groove 9, wherein the front fork assembly fixing cover 1 is arranged on the side surface of the lower stem 8, the threaded post 7 is fixed on the lower stem 8, the limiting boss 2 is arranged on the upper end surface of the lower stem 8, the inner side wall of the lower stem 8 is provided with the lower stem limiting groove 9, the upper stem 3 is arranged at the upper end of the lower stem 8, the lower end of the upper stem 3 is provided with the upper stem limiting groove 6, the upper stem limiting groove 6 is installed in cooperation with the limiting boss 2, the hexagonal groove fastening screw 5 is arranged inside the upper stem 3, and the handle fixing cover 4 is fixed on the upper.

As shown in fig. 2, the threaded post 7 has one end fixed to the upper half of the lower riser 8 and the other end extending upwardly through the upper riser 3.

As shown in FIG. 3, the bottom surface of the handle bar fixing cover 4 is circular, the top end of the side surface thereof is semicircular, and the bottom end of the side surface thereof is semicircular.

As shown in fig. 4, the hexagonal groove fastening screw 5 is a screw-shaped nut sleeve with an upper groove and a lower bottomless groove, threads are tapped on the inner wall of the lower side of the hexagonal groove fastening screw 5, and the hexagonal groove fastening screw 5 is in threaded fit with the threaded column 7.

As shown in fig. 5-6, the upper stem 3 is a cylindrical alloy product with a limiting hole in the middle, when the lower stem 8 is matched with the upper stem 3, the threaded post 7 of the upper stem 3 just passes through the limiting hole, the upper end of the upper stem 3 is semicircular, and the handlebar fixing cover 4 is connected with the upper stem 3 to form a complete circular hole.

The lower vertical pipe 8 is a cylindrical alloy product with a limiting hole in the middle, and the lower end part of the threaded column 7 is fixed in the limiting hole of the lower vertical pipe 8.

The upper end and the lower end of the upper vertical pipe 3 are both provided with anti-slip lines, the lower end face of the handlebar fixing cover 4 contacting with the upper vertical pipe 3 is provided with anti-slip lines, and the upper end face of the lower vertical pipe 8 contacting with the upper vertical pipe 3 is provided with anti-slip lines.

The utility model discloses improve traditional bicycle fixed bolster, change traditional two segmentation risers into multistage multiple structure formula, its spare part mutual independence, contact each other again, all can dismantle, the utility model discloses when certain part breaks down in the use, the user can directly dismantle the change, and needn't change whole riser device, the utility model discloses a have the independence between each part, make it have the controllability, convenient change nature compares bicycle riser device on the market, has stronger expansibility and better flexibility.

The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.

Claims

1. The bicycle vertical pipe comprises a front fork assembly fixing cover (1), a limiting boss (2), an upper vertical pipe (3), a handlebar fixing cover (4), a hexagonal groove fastening screw (5), an upper vertical pipe limiting groove (6), a threaded column (7), a lower vertical pipe (8) and a lower vertical pipe limiting groove (9), and is characterized in that the front fork assembly fixing cover (1) is arranged on the side surface of the lower vertical pipe (8), the threaded column (7) is fixed on the lower vertical pipe (8), the upper end surface of the lower vertical pipe (8) is provided with the limiting boss (2), the inner side wall of the lower vertical pipe (8) is provided with the lower vertical pipe limiting groove (9), the upper vertical pipe (3) is arranged at the upper end of the lower vertical pipe (8), the lower end of the upper vertical pipe (3) is provided with the upper vertical pipe limiting groove (6), the upper vertical pipe limiting groove (6) is matched and installed with the limiting boss (2), and the hexagonal groove fastening screw (5) is arranged, the handlebar fixing cover (4) is fixed on the upper end surface of the upper vertical pipe (3) through a fixing nut.

2. The bicycle riser according to claim 1, characterised in that the threaded post (7) is fixed at one end to the upper half of the lower riser (8) and at the other end extends upwards through the upper riser (3).

3. The bicycle stem according to claim 1, wherein the bottom surface of the handlebar fixing cover (4) is circular, the top end of the side surface thereof is semicircular, and the bottom end of the side surface thereof is semicircular.

4. The bicycle riser according to claim 1, characterised in that the hexagonal socket fastening screw (5) is a screw-like nut sleeve with no bottom below the upper socket, the hexagonal socket fastening screw (5) is tapped on the inner wall of the lower side, and the hexagonal socket fastening screw (5) is in threaded fit with the threaded post (7).

5. The bicycle stem according to claim 1, wherein the upper stem (3) is a cylindrical alloy product with a limiting hole in the middle, when the lower stem (8) is matched with the upper stem (3), the threaded column (7) of the upper stem (3) just passes through the limiting hole, the upper end part of the upper stem (3) is in a semicircular hole shape, and the handlebar fixing cover (4) is connected with the upper stem (3) to form a complete circular hole.

6. The bicycle stand pipe according to claim 1, wherein the threaded post (7) is fixed at its lower end portion in a limit hole of the lower stand pipe (8).

7. The bicycle stem as claimed in claim 1, wherein the upper end and the lower end of the upper stem (3) are provided with anti-slip threads, the lower end surface of the handlebar fixing cover (4) contacting the upper stem (3) is provided with anti-slip threads, and the upper end surface of the lower stem (8) contacting the upper stem (3) is provided with anti-slip threads.