CN217319921U

CN217319921U - Quick-release type claw shaft structure for reclining bicycle

Info

Publication number: CN217319921U
Application number: CN202123407861.6U
Authority: CN
Inventors: 周杨刚; 游嘉
Original assignee: Shanghai Chiyan Industrial Co ltd
Current assignee: Shanghai Chiyan Industrial Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-08-30
Anticipated expiration: 2031-12-31

Abstract

The utility model provides a quick-release type cleat axle structure for a reclining bicycle, which comprises a cleat axle shell, a brake disc shell and an axle core, wherein the cleat axle shell comprises a vertical pipe and a first axle core fixing pipe fixedly connected with the vertical pipe, one side of the first axle core is provided with an end cover, a second thread through hole is arranged in the end cover, one side of the end cover is provided with a fixing screw, the fixing screw passes through the second thread through hole of the end cover and the first thread through hole of the axle core so as to fix the first axle core in the first axle core fixing pipe, one side of the first axle core fixing pipe far away from the vertical pipe is provided with an opening, the size of the opening is matched with the size of a fixing step, the first axle core is fixed in the axle core fixing pipe through the fixing screw and the end cover after the axle core is placed in the first axle core fixing pipe through the opening during disassembly and assembly, realize the quick assembly disassembly of axle core.

Description

Quick-release type claw shaft structure for reclining bicycle

Technical Field

The utility model relates to a bicycle technical field specifically is a quick detach formula goat's horn shaft structure for bicycle of lying to one side.

Background

A recumbent bicycle is a bicycle, and is a bicycle ridden recumbently. The most common recumbent vehicles have two wheels and three wheels, have a much longer frame and transmission than a conventional bicycle, and are intended for use by a person lying on his back on a saddle, with the direction being controlled by a vertical grip similar to the joystick of an airplane.

The goat's horn axle of recumbent bicycle need with axle core fixed connection, need draw out the axle core of axle core fixed tube completely among the current connection structure or install and advance, just can realize dismouting work, extravagant dismouting time like this, also be convenient for later stage maintenance.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems in the prior art, the utility model provides a quick detach formula goat's horn shaft structure for bicycle of lying to one side.

In order to achieve the above purpose, the utility model provides a following technical scheme: a quick-release type cleat axle structure for a reclining bicycle comprises a cleat axle shell, a brake disc shell and an axle core, wherein the cleat axle shell comprises a vertical pipe and a first axle core fixing pipe fixedly connected with the vertical pipe, the brake disc shell comprises a second axle core fixing pipe, the axle core comprises a first axle core and a second axle core which are fixed together, the diameter of the first axle core is smaller than that of the second axle core, a fixing step is sleeved on the outer side of the second axle core, a first threaded through hole penetrating through the first axle core is arranged in the first axle core fixing pipe, one end of the axle core is arranged in the second axle core fixing pipe, the other end of the axle core is arranged in the first axle core fixing pipe, an end cover is arranged on one side of the first axle core, a second threaded through hole is arranged in the end cover, a fixing screw is arranged on one side of the end cover, and passes through the second threaded through hole of the end cover and the first threaded through hole of the axle core, so that the fixing screw passes through the second threaded through hole of the end cover and the first threaded through hole of the axle core, an opening is formed in one side, away from the vertical pipe, of the first shaft core fixing pipe, and the size of the opening is matched with that of the fixing step.

Preferably, the size of the opening is larger than the diameter of the second shaft core and smaller than the diameter of the fixing step.

Preferably, the brake disc casing includes the brake disc, the goat's horn axle casing include with the dish clamp mounting of stopping, the dish is stopped clamp mounting and dish and is stopped clamp fixed connection, the dish is stopped and is equipped with the recess with brake disc shape matched with on the clamp.

Preferably, the end cover includes first stiff end and second stiff end, the diameter size of second stiff end is greater than the diameter size of first stiff end, the diameter size of second stiff end is less than the diameter size of the fixed pipe of first axle core.

Preferably, the diameter of the second threaded through hole is larger than that of the first shaft core.

Preferably, the diameter of the fixing screw is matched with that of the first threaded through hole.

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

the utility model provides a pair of quick detach formula goat's horn axle construction for bicycle of lying to one side, through set up the opening on the fixed pipe of primary shaft core, put into the fixed pipe of primary shaft core with the shaft core through the opening part during dismouting after, fix the primary shaft core in the fixed pipe of shaft core through fixed screw and end cover, realize the quick assembly disassembly of shaft core.

Drawings

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

FIG. 2 is a schematic structural view of the brake disc housing and the shaft core of the present invention;

FIG. 3 is an exploded view of the first angle of the cavel housing of the present invention without the shaft core;

fig. 4 is an exploded view of the second angle of the cavel housing without the shaft core.

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.

As shown in fig. 1-4, the present invention provides a quick release type cleat axle structure for a reclining bicycle, comprising a cleat axle housing 1, a brake disc housing 2 and an axle core 3, wherein the cleat axle housing 1 comprises a vertical tube 11 and a first axle core fixing tube 12 fixedly connected to the vertical tube 11, the brake disc housing 2 comprises a second axle core fixing tube 21, the axle core 3 comprises a first axle core 31 and a second axle core 32 fixed together, the diameter of the first axle core 31 is smaller than that of the second axle core 32, a fixing step 33 is sleeved outside the second axle core 32, a first threaded through hole 34 is formed in the first axle core 31, one end of the axle core 3 is disposed in the second axle core fixing tube 21, the other end of the axle core 3 is disposed in the first axle core fixing tube 12, an end cap 4 is disposed on one side of the first axle core 31, the end cover 4 is internally provided with a second thread through hole 5, one side of the end cover 4 is provided with a fixing screw 6, the fixing screw 6 passes through the second thread through hole 5 of the end cover 4 and the first thread through hole 34 of the first shaft core 31 so as to fix the first shaft core 31 in the first shaft core fixing pipe 12, one side of the first shaft core fixing pipe 12 far away from the vertical pipe 11 is provided with an opening 13, and the size of the opening 13 is matched with that of the fixing step 33.

Specifically, the size of the opening 13 is larger than the diameter of the second axial core 32 and smaller than the diameter of the fixing step 33.

Specifically, brake disc casing 2 includes brake disc 22, goat's horn axle casing 1 includes and stops clamp mounting 14 with the dish, the dish is stopped clamp mounting 14 and dish and is stopped 7 fixed connection of clamp, be equipped with on the dish is stopped clamp 7 with brake disc 22 shape matched with recess 8.

Specifically, the end cap 4 includes a first fixed end 41 and a second fixed end 42, the diameter of the second fixed end 42 is larger than that of the first fixed end 41, and the diameter of the second fixed end 42 is smaller than that of the first core fixing tube 12.

Specifically, the diameter of the second threaded through hole 5 is larger than the diameter of the first shaft core 31.

Specifically, the diameter of the fixing screw 6 matches with the diameter of the first threaded through hole 34.

It should be noted that, by providing the opening 13 on the first shaft core fixing tube 12, when installing, after the shaft core 3 is placed into the first shaft core fixing tube 12 through the opening 13, the first shaft core 31 of the shaft core 3 is placed into the second threaded through hole 5 in the first fixing end 41 of the end cover 4, the fixing screw 6 is placed into the second threaded through hole 5 in the second fixing end 4, and the fixing screw 6 is connected with the first threaded through hole 34 in the first shaft core 31, so that the shaft core 3 is fixed in the first shaft core fixing tube 12; when the shaft core 3 is disassembled, the fixing screw 6 is unscrewed, and after the shaft core 3 is retreated for a short distance, the shaft core 3 can be directly taken out from the opening 13 because the size of the opening 13 is larger than the diameter of the second shaft core 32.

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 quick detach formula goat's horn axle construction for oblique bicycle of lying which characterized in that: comprises a cavel shaft shell (1), a brake disc shell (2) and a shaft core (3), wherein the cavel shaft shell (1) comprises a vertical pipe (11) and a first shaft core fixing pipe (12) fixedly connected with the vertical pipe (11), the brake disc shell (2) comprises a second shaft core fixing pipe (21), the shaft core (3) comprises a first shaft core (31) and a second shaft core (32) which are fixed together, the diameter of the first shaft core (31) is smaller than that of the second shaft core (32), a fixing step (33) is sleeved outside the second shaft core (32), a first threaded through hole (34) which penetrates through the first shaft core (31) is arranged in the first shaft core fixing pipe (21), the other end of the shaft core (3) is arranged in the first shaft core fixing pipe (12), and an end cover (4) is arranged on one side of the first shaft core (31), be equipped with second screw thread through-hole (5) in end cover (4), end cover (4) one side is equipped with set screw (6), thereby set screw (6) pass second screw thread through-hole (5) of end cover (4) and first screw thread through-hole (34) of first axle core (31) fix first axle core (31) in first axle core fixed tube (12), one side that riser (11) were kept away from in first axle core fixed tube (12) is equipped with opening (13), the size of opening (13) matches with the size of fixed step (33).

2. The quick release type claw beam structure for a reclining bicycle according to claim 1, wherein: the size of the opening (13) is larger than the diameter of the second shaft core (32) and smaller than the diameter of the fixing step (33).

3. The quick release type claw beam structure for a reclining bicycle according to claim 2, wherein: brake dish casing (2) are including brake dish (22), goat's horn shaft casing (1) are including dish clamp mounting (14) of stopping, dish clamp mounting (14) of stopping is with dish clamp (7) fixed connection of stopping, be equipped with on dish clamp (7) of stopping with brake dish (22) shape matched with recess (8).

4. The quick release type claw beam structure for a reclining bicycle as set forth in claim 3, wherein: end cover (4) include first stiff end (41) and second stiff end (42), the diameter of second stiff end (42) is greater than the diameter of first stiff end (41), the diameter of second stiff end (42) is less than the diameter of first axle core fixed tube (12).

5. The quick release type claw beam structure for a reclining bicycle as set forth in claim 4, wherein: the diameter of the second threaded through hole (5) is larger than that of the first shaft core (31).

6. The quick release type cleat axle structure for a reclining bicycle, according to claim 5, wherein: the diameter of the fixing screw (6) is matched with that of the first threaded through hole (34).