CN211391571U

CN211391571U - Tightening type bicycle handlebar stem structure

Info

Publication number: CN211391571U
Application number: CN201920965827.4U
Authority: CN
Inventors: 刘喜
Original assignee: Tianjin Qiyuan Sports Equipment Co ltd
Current assignee: Tianjin Qiyuan Sports Equipment Co ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-09-01
Anticipated expiration: 2029-06-26

Abstract

The utility model relates to a bicycle handlebar founds technical field, and discloses a compel tight formula bicycle handlebar founds structure, include the head pipe device of standing, the lower extreme swing joint of head pipe device of standing has the sleeve device of standing, head pipe device of standing and the outer end swing joint of sleeve device of standing have fastening nut device, the upper end fixedly connected with handrail of head pipe device of standing, the lower extreme fixedly connected with automobile body connecting piece of sleeve device of standing. This compel compact formula bicycle stem structure through will set up the same head pipe device of standing and the sleeve device of standing of diameter, and the internal diameter of fastening nut device equals the head pipe device of standing and the diameter of sleeve device of standing for be convenient for connect the head pipe device of standing and the sleeve device of standing between through the fastening nut device, through setting up a plurality of archs and recess, make can block each other between arch and the recess, to standing head pipe device and standing sleeve device and fixing a position.

Description

Tightening type bicycle handlebar stem structure

Technical Field

The utility model relates to a bicycle handlebar stands technical field, specifically is a compel tight formula bicycle handlebar and stands structure.

Background

The bicycle is one of modern transportation means, is energy-saving and environment-friendly, and is widely favored by the public in the modern society advocating low-carbon travel.

The bicycle handle bar is commonly called as a bicycle handlebar, is responsible for controlling the running direction of the bicycle and is related to the flexibility and the length and height of the bicycle, but the bicycle handle bar can not be screwed tightly and becomes loose in some cases.

SUMMERY OF THE UTILITY MODEL

The utility model provides a compel tight formula bicycle handle upright structure has solved the problem that above-mentioned background art provided to prior art not enough.

The utility model provides a following technical scheme: the lower end of the stem pipe device is movably connected with a stem sleeve device, the stem pipe device and the outer end of the stem sleeve device are movably connected with a fastening nut device, the upper end of the stem pipe device is fixedly connected with a handrail, and the lower end of the stem sleeve device is fixedly connected with a vehicle body connecting piece.

Preferably, the device for fixing the vertical pipe comprises a vertical pipe, a sleeve connecting pipe, a fastening groove, a positioning piece and a positioning groove.

Preferably, the handle sleeve device comprises a handle sleeve, a fastening sleeve, a first thread, a gap, a fastening protrusion and a positioning protrusion.

Preferably, the fastening nut device comprises a fastening nut, a second thread and a friction line.

Preferably, the diameter of the standing pipe device is the same as that of the standing sleeve.

Preferably, the diameter of the outer terminal surface from the bottom up of adapter sleeve increases gradually, fastening arch and fastening groove looks adaptation, and fastening arch and fastening groove are the block connection, positioning groove and the protruding looks adaptation of location, and positioning groove and location arch are the block connection.

Preferably, the line direction of the friction lines is vertical, and the inner diameter of the fastening nut device is equal to the diameter of the vertical pipe device.

The utility model discloses possess following beneficial effect:

1. this compel compact formula bicycle stem structure, through setting up the same head pipe device of standing and standing sleeve device of diameter, and the internal diameter of fastening nut device equals the diameter of head pipe device of standing and standing sleeve device, make and be convenient for connect through the fastening nut device between the head pipe device of standing and the standing sleeve device, through setting up a plurality of archs and recess, make and can block each other between arch and the recess, to standing head pipe device and standing sleeve device and fixing a position, the adapter sleeve of tilting makes the fastening nut device twist up more simultaneously, stand head pipe device and stand the connection between the sleeve device tighter.

2. This compel compact formula bicycle handlebar upright structure through the friction line that sets up vertical line for the operator is convenient for twist the fastening nut device upwards and moves.

Drawings

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

FIG. 2 is a schematic structural view of the stem pipe device of the present invention;

FIG. 3 is a schematic structural view of the handle-standing sleeve device of the present invention;

FIG. 4 is a schematic cross-sectional view of the sleeve erecting device of the present invention;

fig. 5 is a schematic structural view of the nut fastening device of the present invention.

In the figure: 1. a riser pipe device; 101. erecting a head pipe; 102. a sleeve connecting pipe; 103. fastening the groove; 104. a positioning member; 105. a positioning groove; 2. a handle-erecting sleeve device; 201. erecting a sleeve; 202. fastening sleeves; 203. a first thread; 204. a void; 205. a fastening projection; 206. positioning the projection; 3. a nut tightening device; 301. fastening a nut; 302. a second thread; 303. rubbing the grains; 4. a handrail; 5. a vehicle body connecting piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a tightening type bicycle stem structure comprises a stem pipe device 1, a stem sleeve device 2 movably connected to the lower end of the stem pipe device 1, a fastening nut device 3 movably connected to the outer ends of the stem pipe device 1 and the stem sleeve device 2, a handrail 4 fixedly connected to the upper end of the stem pipe device 1, and a body connecting member 5 fixedly connected to the lower end of the stem sleeve device 2.

The stem pipe device 1 includes a stem pipe 101, a socket connection pipe 102, a fastening groove 103, a positioning member 104, and a positioning groove 105.

The sleeve erecting device 2 comprises a sleeve erecting sleeve 201, a fastening sleeve 202, a first thread 203, a gap 204, a fastening protrusion 205 and a positioning protrusion 206.

The fastening nut device 3 includes a fastening nut 301, a second thread 302 and a friction texture 303.

The diameter of the stem pipe device 1 is the same as that of the stem sleeve 201.

Wherein, the diameter of the outer terminal surface from the bottom up of adapter sleeve 202 increases gradually, fastening protrusion 205 and fastening recess 103 looks adaptation, and fastening protrusion 205 and fastening recess 103 are the block connection, and positioning groove 105 and positioning protrusion 206 looks adaptation, and positioning groove 105 and positioning protrusion 206 are the block connection.

The line direction of the friction lines 303 is vertical, and the inner diameter of the fastening nut device 3 is equal to the diameter of the vertical pipe device 1.

During operation, firstly, the fastening nut device 3 is moved to the lower end of the upright sleeve device 2, then the upright tube device 1 is aligned with the upright sleeve device 2, the positioning piece 104 is installed inside the upright sleeve device 2, the positioning groove 105 and the positioning protrusion 206 are mutually clamped, the upright tube device 1 and the upright sleeve device 2 are positioned, the fastening protrusion 205 can be clamped into the fastening groove 103, the upright tube device 1 and each component of the upright sleeve device 2 are clamped and connected, then the fastening nut device 3 is upwards in threaded connection along the first thread 203, and the fastening sleeve 202 can be connected with the upright tube device 1 more tightly.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. The utility model provides a compel compact formula bicycle stem structure, includes stem pipe device (1), its characterized in that: the lower end of the vertical pipe device (1) is movably connected with a vertical sleeve device (2), the outer ends of the vertical pipe device (1) and the vertical sleeve device (2) are movably connected with a fastening nut device (3), the upper end of the vertical pipe device (1) is fixedly connected with a handrail (4), and the lower end of the vertical sleeve device (2) is fixedly connected with a vehicle body connecting piece (5).

2. The tightening type bicycle stem structure of claim 1, wherein: the vertical pipe device (1) comprises a vertical pipe (101), a sleeve connecting pipe (102), a fastening groove (103), a positioning piece (104) and a positioning groove (105).

3. The tightening type bicycle stem structure of claim 1, wherein: the handle sleeve device (2) comprises a handle sleeve (201), a fastening sleeve (202), a first thread (203), a gap (204), a fastening protrusion (205) and a positioning protrusion (206).

4. The tightening type bicycle stem structure of claim 1, wherein: the fastening nut device (3) comprises a fastening nut (301), a second thread (302) and a friction line (303).

5. The tightening type bicycle stem structure of claim 3, wherein: the diameter of the standing pipe device (1) is the same as that of the standing sleeve (201).

6. The tightening type bicycle stem structure of claim 3, wherein: the diameter of the outer end face of the fastening sleeve (202) is gradually increased from bottom to top, the fastening protrusion (205) is matched with the fastening groove (103), the fastening protrusion (205) is connected with the fastening groove (103) in a clamping mode, the positioning groove (105) is matched with the positioning protrusion (206), and the positioning groove (105) is connected with the positioning protrusion (206) in a clamping mode.

7. The tightening type bicycle stem structure of claim 4, wherein: the line direction of friction line (303) is vertical direction, the internal diameter size of fastening nut device (3) equals the diameter of standing head pipe device (1).