CN210503040U

CN210503040U - Fixing device for handlebar stem of bicycle

Info

Publication number: CN210503040U
Application number: CN201921060531.4U
Authority: CN
Inventors: 刘喜
Original assignee: Tianjin Qiyuan Sports Equipment Co Ltd
Current assignee: Tianjin Qiyuan Sports Equipment Co Ltd
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-05-12
Anticipated expiration: 2029-07-09

Abstract

The utility model discloses a fixing device for bicycle handlebar stem belongs to bicycle accessory technical field, including riser, sleeve pipe and stem body, sleeve pipe threaded connection is at the surface of riser, and the sheathed tube surface fixedly connected with stem body, and the stem body is located the sheathed tube right side, the through-hole has been seted up on the front of stem body, be provided with fixed axle a in the through-hole, the surface fixedly connected with two stiffeners of fixed axle a, and two stiffeners are symmetrical to be set up in the front and back both sides of stem body, the accommodation hole has been seted up on the front of stiffener; through setting up bolt an and screw hole, bolt an can threaded connection in the screw hole, and then can be with the sleeve pipe with stand the stable fixed of body together, avoid the sleeve pipe to produce the rotation and lead to standing the body dislocation, through last setting up for threaded connection between sleeve pipe and the riser, consequently the sleeve pipe is difficult for producing the dislocation when using.

Description

Fixing device for handlebar stem of bicycle

Technical Field

The utility model belongs to the technical field of the bicycle accessory, concretely relates to a fixing device that is used for bicycle handlebar to stand.

Background

The handlebar stem is a component of the bicycle, a plurality of 'road type' bicycles use the front fork with the grain, the fixing mode is that the wedge is arranged on the handlebar stem with the grain, the wedge is inserted into the front fork vertical tube, then after the handlebar stem is adjusted to a proper position, the screw at the top end of the handlebar stem is screwed, the wedge is driven to move upwards and fixed in the front fork vertical tube, and therefore the front fork and the handlebar stem can be fixed.

The existing handle-standing fixing structure is simple, so that the handle-standing can be inclined when being used, so that people cannot comfortably hold the handle-standing, and the handle-standing is more troublesome when being readjusted, thereby influencing the use of people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fixing device that is used for bicycle handlebar to stand to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fixing device for bicycle handlebar is standing, includes riser, sleeve pipe and stands the body, sleeve pipe threaded connection is at the surface of riser, and sheathed tube surface fixedly connected with stands the body, and is located sheathed tube right side standing the body, the through-hole has been seted up to the front of standing the body, be provided with fixed axle an in the through-hole, two stiffener of fixed axle an's surface fixedly connected with, and two stiffener symmetries set up in both sides around standing the body, the accommodation hole has been seted up in the front of stiffener, and is provided with fixed axle b in the accommodation hole, fixed axle b is located the spacing downthehole that the riser surface was seted up, the equal threaded connection in both ends of fixed axle b has the nut.

Preferably, a bolt a is arranged on the left side of the sleeve, one end of the bolt a penetrates through the sleeve and is in threaded connection with a threaded hole, and the threaded hole is formed in the left side face of the vertical pipe.

Preferably, the number of the threaded holes is a plurality, and the threaded holes are uniformly arranged from top to bottom.

Preferably, the upper surface of the inner wall of the through hole is fixedly connected with a plurality of clamping teeth, and the fixed shaft a is positioned between the two clamping teeth.

Preferably, a fixed block is arranged in the vertical pipe, a bolt b is arranged on the upper surface of the sleeve, and the bottom end of the bolt b penetrates through the sleeve and is in threaded connection with the inside of the fixed block.

Compared with the prior art, the beneficial effects of the utility model are that:

this a fixing device for bicycle handlebar is standing through setting up bolt an and screw hole, bolt an can threaded connection in the screw hole, and then can be with the sleeve pipe with stand stable fixed of body together, avoid the sleeve pipe to produce rotatory and lead to standing the body dislocation, through last setting up between sleeve pipe and the riser for threaded connection, consequently the sleeve pipe is difficult for producing the dislocation when using.

This a fixing device for bicycle handlebar is found, through setting up stiffener, fixed axle an and fixed axle b can fix the stiffener, and the support that the stiffener can be stable is between riser and the body of standing, not only can effectually fix the body of standing, and can provide very big support dynamics for the body of standing, avoids the body of standing to produce the dislocation in the use.

Drawings

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

FIG. 2 is a schematic view of a vertical pipe of the present invention in a partial cross-section;

fig. 3 is a schematic sectional view of the top view of the middle stem and the fixed shaft b of the present invention.

In the figure: 1. a riser; 2. a sleeve; 3. a standing body; 4. a through hole; 5. clamping teeth; 6. a fixed shaft a; 7. a reinforcing bar; 8. a nut; 9. a bolt b; 10. a bolt a; 11. a threaded hole; 12. a fixed block; 13. a limiting hole; 14. and a shaft b is fixed.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Please refer to fig. 1-3, the utility model provides a fixing device for bicycle handlebar stands, including riser 1, sleeve pipe 2 and standing body 3, sleeve pipe 2 threaded connection is at riser 1's surface, and sleeve pipe 2's fixed surface is connected with standing body 3, and standing body 3 is located sleeve pipe 2's right side, through-hole 4 has been seted up to standing body 3's front, be provided with fixed axle a6 in the through-hole 4, fixed axle a 6's fixed surface is connected with two stiffeners 7, and two stiffeners 7 symmetries set up in standing body 3's front and back both sides, the accommodation hole has been seted up in stiffener 7's front, and be provided with fixed axle b14 in the accommodation hole, fixed axle b14 is located the spacing hole 13 that riser 1 surface was seted up, the equal threaded connection in both ends of fixed axle b14 has nut 8.

In the above scheme, when the height of the handle body 3 needs to be adjusted, a person can unscrew the two nuts 8, take the fixing shaft b14 out of the limiting hole 13, the fixing shaft b14 is no longer located in the accommodating hole, and simultaneously, the person can lower the reinforcing rod 7, loosen the bolt a10 and the bolt b9, then unscrew the sleeve 2 to rotate, move the sleeve 2 up and down to a proper position, unscrew the bolt a10 and the bolt b9 again, so that the sleeve 2 is fixed, then control the fixing shaft a6 to move left and right to a proper position, and still clamp between the two latches 5, then penetrate the two reinforcing rods 7 by using the fixing shaft b14, and finally screw the nuts 8 on the fixing shaft b14 to fix the reinforcing rods 7.

Specifically, a bolt a10 is arranged on the left side of the sleeve 2, one end of the bolt a10 penetrates through the sleeve 2 and is in threaded connection with the threaded hole 11, the threaded hole 11 is formed in the left side face of the vertical pipe 1, the number of the threaded holes 11 is multiple, and the threaded holes 11 are uniformly arranged from top to bottom; through setting up bolt a10 and screw hole 11, bolt a10 can threaded connection in screw hole 11, and then can be with sleeve pipe 2 with stand stable fixed being in the same place of body 3, avoid sleeve pipe 2 to produce and rotate and lead to standing body 3 dislocation, be a plurality of through the quantity that sets up screw hole 11, can fix bolt a10 in different screw holes 11 for people can adjust the height of standing body 3.

Specifically, the upper surface of the inner wall of the through hole 4 is fixedly connected with a plurality of clamping teeth 5, and the fixed shaft a6 is positioned between the two clamping teeth 5; by arranging the latch 5, the fixing shaft a6 can be clamped between the two latches 5, so that the fixing shaft a6 can not move freely in the through hole 4, and the reinforcing rod 7 can stably support the standing body 3.

Specifically, a fixed block 12 is arranged in the vertical pipe 1, a bolt b9 is arranged on the upper surface of the sleeve 2, and the bottom end of the bolt b9 penetrates through the sleeve 2 and is in threaded connection with the inside of the fixed block 12; by providing the bolt b9 and the fixing block 12, the bolt b9 can fix the sleeve 2 and the fixing block 12 together, so that the sleeve 2 can be fixed more stably.

The utility model discloses a theory of operation and use flow: when the height of the handle body 3 needs to be adjusted, a person can unscrew the two nuts 8, then take the fixing shaft b14 out of the limiting hole 13, the fixing shaft b14 is no longer located in the accommodating hole, meanwhile, the person can lower the reinforcing rod 7, loosen the bolt a10 and the bolt b9, then screw the sleeve 2 to rotate, after the sleeve 2 moves up and down to a proper position, screw the bolt a10 and the bolt b9 again, so that the sleeve 2 is fixed, then control the fixing shaft a6 to move left and right to a proper position, and still clamp between the two clamping teeth 5, then penetrate through the two reinforcing rods 7 by using the fixing shaft b14, and finally screw the nuts 8 on the fixing shaft b14 to fix the reinforcing rods 7.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A fixing device for a bicycle handlebar stem, comprising a stem (1), a sleeve (2) and a stem body (3), characterized in that: the utility model discloses a bearing, including sleeve pipe (2), fixed axle (7), through-hole (4), fixed axle a (6) are provided with to the outer fixed surface of sleeve pipe (2) threaded connection at the surface of riser (1), and stand body (3) and be located the right side of sleeve pipe (2), through-hole (4) have been seted up to the front of standing body (3), be provided with fixed axle a (6) in through-hole (4), two stiffener (7) of outer fixed surface fixedly connected with of fixed axle a (6), and two stiffener (7) symmetry sets up both sides around standing body (3), the accommodation hole has been seted up in the front of stiffener (7), and is provided with fixed axle b (14) in the accommodation hole, fixed axle b (14) are located spacing hole (13) that riser (1) surface was seted up, the equal threaded connection in both ends of fixed.

2. The fixing device for a bicycle handlebar stem according to claim 1, characterized in that: the left side of sleeve pipe (2) is provided with bolt a (10), and the one end of bolt a (10) runs through sleeve pipe (2) and threaded connection in screw hole (11), screw hole (11) are seted up in the left surface of riser (1).

3. The fixing device for a bicycle handlebar stem according to claim 2, characterized in that: the quantity of screw hole (11) is a plurality of, and a plurality of screw hole (11) from last down align to grid the setting.

4. The fixing device for a bicycle handlebar stem according to claim 1, characterized in that: the upper surface of the inner wall of the through hole (4) is fixedly connected with a plurality of clamping teeth (5), and the fixed shaft a (6) is located between the two clamping teeth (5).

5. The fixing device for a bicycle handlebar stem according to claim 1, characterized in that: a fixing block (12) is arranged in the vertical pipe (1), a bolt b (9) is arranged on the upper surface of the sleeve (2), and the bottom end of the bolt b (9) penetrates through the sleeve (2) and is in threaded connection with the inside of the fixing block (12).