CN214647326U

CN214647326U - Bicycle hub convenient to replace

Info

Publication number: CN214647326U
Application number: CN202120533390.4U
Authority: CN
Inventors: 萧裕峰; 萧博文
Original assignee: Assess Precision Machinery Jiangsu Co ltd
Current assignee: Assess Precision Machinery Jiangsu Co ltd
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2021-11-09
Anticipated expiration: 2031-03-15

Abstract

The utility model provides a bicycle flower-drum of convenient change, including fixed axle, loose axle and load overcoat, the loose axle rotates the cover and establishes on the fixed axle, and load overcoat card is established on the loose axle, has seted up the draw-in groove between load overcoat and the loose axle, has placed the bayonet lock in the draw-in groove, and the both ends thread bush of loose axle is equipped with the chucking nut, and the both ends an organic whole of fixed axle is connected with the nipple, and the thread bush is equipped with fastening nut on the nipple, has solved inconvenient and the spoke quick separation between the bicycle flower-drum in the past, is not convenient for tear open the problem of changing, the utility model discloses rational in infrastructure, loose axle and spoke dish adopt split type combination, and it is convenient to dismantle, easily pulls down the change with the flower-drum and maintains.

Description

Bicycle hub convenient to replace

Technical Field

The utility model relates to a bicycle hub that conveniently changes belongs to bicycle hub technical field.

Background

The bicycle hub is commonly called a 'hub barrel', and the hub comprises an iron hub and an aluminum hub. The iron flower-drum is the bicycle flower-drum that rides at general family, and the aluminium flower-drum is the flower-drum of comparatively high-grade, as the flower-drum of types such as bicycle, performance car, highway car. The bicycle hub plays the effect of connecting spoke and axletree, is more important part on the bicycle, and the average speed of the bicycle of riding directly receives the influence that the hub quality is bad. The whole stand up like a knock flower drum, so the name is obtained. The structure of the bicycle hub is divided into two types, wherein the bearing is of a ball-retaining structure, and the bearing is of an industrial bearing assembly.

Among the prior art, the loose axle in the bicycle flower-drum outside does not possess the part body installation effect with spoke lug connection, appears damaging when the flower-drum, just at this moment just needs pull down the spoke one by one earlier, just can change and maintain the flower-drum inner structure, and the bicycle flower-drum that now urgently needs a convenient change solves the above-mentioned problem that appears.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bicycle flower-drum that conveniently changes to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure, loose axle and spoke dish adopt split type combination, and it is convenient to dismantle, easily pulls down the flower-drum change and the maintenance.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a convenient bicycle flower-drum of changing, includes fixed axle, loose axle and load overcoat, the loose axle rotates the cover and establishes on the fixed axle, load overcoat card is established on the loose axle, the draw-in groove has been seted up between load overcoat and the loose axle, the bayonet lock has been placed in the draw-in groove, the both ends screw thread cover of loose axle is equipped with the chucking nut, the both ends an organic whole of fixed axle is connected with the nipple, the threaded sleeve is equipped with fastening nut on the nipple.

Furthermore, the clamping grooves are formed in the inner wall side of the bearing outer sleeve and the outer wall side of the movable shaft, the clamping grooves are multiple, and the clamping grooves are distributed at equal intervals.

Furthermore, spoke discs for mounting spokes are integrally arranged at two ends of the bearing outer sleeve, and spoke mounting holes are formed in the spoke discs at equal intervals.

Furthermore, the fixed shaft is sleeved with a bearing and is rotatably connected with the movable shaft through the bearing.

Furthermore, a gasket is further sleeved on the screw head and located between the fastening nut and the fixing shaft, and the diameter of the screw head is smaller than that of the fixing shaft.

Further, the length of the fixed shaft is greater than that of the movable shaft.

The utility model has the advantages that:

1. the bearing outer sleeve of the utility model is clamped on the movable shaft, the two ends of the bearing outer sleeve are integrally provided with the spoke discs for spoke installation, a clamping groove is arranged between the bearing outer sleeve and the movable shaft, a clamping pin is arranged in the clamping groove, the movable shaft and the spoke discs are combined in a split type, the disassembly is convenient, and the hub is easy to disassemble, replace and maintain;

2. the screw head of the utility model is also sleeved with a gasket, the gasket is positioned between the fastening nut and the fixed shaft, and the diameter of the screw head is smaller than that of the fixed shaft, so that the front fork of the bicycle is conveniently clamped on the screw head without influencing the rotation of the movable shaft;

3. the utility model discloses a length of fixed axle is greater than the length of loose axle, ensures that bicycle front fork card dress is behind the fixed axle both ends, and the front fork does not influence the rotation of loose axle.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of a bicycle hub convenient to replace according to the present invention;

FIG. 2 is a front sectional view of a bicycle hub that is easy to replace according to the present invention;

FIG. 3 is a left side view of a bicycle hub that is easy to replace according to the present invention;

in the figure: the device comprises a fixed shaft 1, a movable shaft 2, a clamping groove 21, a clamping nut 3, a force bearing outer sleeve 4, a spoke disc 41, a fastening nut 5, a gasket 51, a screw head 6, a bearing 7 and a bayonet 8.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a convenient bicycle flower-drum of changing, including fixed axle 1, loose axle 2 and load overcoat 4, the cover is established on fixed axle 1 to the loose axle 2 rotation cover, load overcoat 4 card is established on loose axle 2, draw-in groove 21 has been seted up between load overcoat 4 and the loose axle 2, bayonet lock 8 has been placed in the draw-in groove 21, the both ends thread bush of loose axle 2 is equipped with chucking nut 3, the both ends an organic whole of fixed axle 1 is connected with the nipple 6, the thread bush is equipped with fastening nut 5 on the nipple 6, the inconvenient and spoke quick separation of bicycle flower-drum in the past has been solved, be not convenient for tear open the problem of repairing and changing.

The utility model discloses a draw-in groove 21 is seted up in load overcoat inner wall side and the 2 outer wall sides of loose axle, and draw-in groove 21 is equipped with a plurality ofly, is equidistant distribution between a plurality of draw-in grooves 21, makes fixed connection, synchronous motion between load overcoat 4 and the loose axle 2.

The utility model discloses a both ends an organic whole of load overcoat 4 is equipped with the spoke dish 41 that is used for the spoke installation, and the spoke mounting hole has been seted up equidistantly on spoke dish 41 for the whole and bicycle spoke concatenation installation of flower-drum.

The utility model discloses a cover is equipped with bearing 7 on the fixed axle 1, and fixed axle 1 passes through bearing 7 to be connected with the loose axle 2 rotation, makes the nimble rotation between fixed axle 1 and the loose axle 2.

The utility model discloses a still overlap on the screw head 6 and be equipped with gasket 51, and this gasket 51 is located between fastening nut 5 and the fixed axle 1, and the diameter of screw head 6 is less than the diameter of fixed axle 1, and the bicycle front fork card of being convenient for like this is on screw head 6, and does not influence the rotation of loose axle 2.

The utility model discloses a length of fixed axle 1 is greater than the length of loose axle 2, ensures that the bicycle front fork clamps behind 1 both ends of fixed axle, and the front fork does not influence the rotation of loose axle 2.

As an embodiment of the present invention: the bicycle spokes are arranged on the spoke discs 41 of the bearing outer sleeve 4 one by one, and then the other ends of the spokes are connected with the bicycle hub, so that the whole hub is spliced with the bicycle hub into a whole through the spokes; loosening the fastening nut 5, taking down the gasket 51, clamping the bicycle front fork on the screw head 6, reinstalling the gasket 51, and tightening the fastening nut 5 to complete the installation of the hub;

the flower-drum needs to be dismantled in the later stage, unscrews fastening nut 5, and the whole separation with the bicycle front fork of flower-drum, then twists off chucking nut 3, and bayonet lock 8 takes out, and at this moment fixed axle 1, loose axle 2 and load overcoat separation need not dismantle the spoke, change the flower-drum of new promptly, also make things convenient for the maintenance of flower-drum in addition.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a bicycle flower-drum of convenient change which characterized in that: including fixed axle (1), loose axle (2) and bearing overcoat (4), loose axle (2) are rotated the cover and are established on fixed axle (1), bearing overcoat (4) card is established on loose axle (2), draw-in groove (21) have been seted up between bearing overcoat (4) and loose axle (2), bayonet lock (8) have been placed in draw-in groove (21), the both ends screw thread cover of loose axle (2) is equipped with chucking nut (3), the both ends body coupling of fixed axle (1) has silk head (6), threaded sleeve is equipped with fastening nut (5) on silk head (6).

2. A bicycle hub that is easy to replace as claimed in claim 1, wherein: the clamping grooves (21) are formed in the inner wall side of the bearing outer sleeve (4) and the outer wall side of the movable shaft (2), the clamping grooves (21) are multiple, and the clamping grooves (21) are distributed at equal intervals.

3. A bicycle hub that is easy to replace as claimed in claim 1, wherein: the spoke-mounting structure is characterized in that spoke discs (41) for mounting spokes are integrally arranged at two ends of the bearing outer sleeve (4), and spoke mounting holes are formed in the spoke discs (41) at equal intervals.

4. A bicycle hub that is easy to replace as claimed in claim 1, wherein: the bearing (7) is sleeved on the fixed shaft (1), and the fixed shaft (1) is rotatably connected with the movable shaft (2) through the bearing (7).

5. A bicycle hub that is easy to replace as claimed in claim 1, wherein: the screw head (6) is further sleeved with a gasket (51), the gasket (51) is located between the fastening nut (5) and the fixing shaft (1), and the diameter of the screw head (6) is smaller than that of the fixing shaft (1).

6. A bicycle hub that is easy to replace as claimed in claim 1, wherein: the length of the fixed shaft (1) is greater than that of the movable shaft (2).