TW202327903A - Bicycle wheel hub structure - Google Patents

Abstract

The invention relates to bicycle wheel hub structure, wherein two sides of wheel hub's hub body are provided with wheel hub disc sets. The wheel hub disc sets are spaced with outer and inner hub discs. When assembled with several wheel spokes and a wheel frame, one end of the several wheel spokes is fixedly combined with the wheel frame and the other end of which is fixedly combined with the outer hub disc and the inner wheel hub respectively, so to disperse the stress generated by the wheel spokes, avoiding excessive force on the outer hub or inner hub. The outer and the inner hub discs are arranged at intervals, so that the spokes will be in contact with each other when assembled, reducing friction and affecting structural strength and service life, and achieving convenient structural use and good structural use function.

Description

bicycle hub structure

The invention relates to a structure of a bicycle wheel hub, in particular to the technical field of the wheel hub which is applied to disperse the stress of the steel wire between the bicycle wheel frame and the wheel hub, enhance the tension and reduce the friction between the steel wires.

According to, the structure of the conventional bicycle hub is shown in Figure 7. Its hub 10 is composed of a hub body 11 and at least two hub discs 12. Set at intervals, and the hub disc 12 is equidistantly provided with several wheel spoke fixing holes 120, by cooperating the wheel hub 10 with the several wheel spokes 20 and the wheel frame 30, the wheel frame 30 is provided with several positioning joint holes 31 at intervals, the several wheel spokes One end of the bar 20 is respectively fixed in the wheel spoke fixing holes 120 provided on the hub disc 12, and the other ends of the spokes 20 are respectively fixed in the number positioning joint holes 31 provided in the wheel frame 30, and the spokes 20 of each wheel are intersected with each other. The state is set, and the middle sections of the spokes 20 of each wheel are in contact with each other. However, when the bicycle is in contact with the ground, the weight and force are carried by the front and rear wheels respectively, and the overall force will be concentrated on the hub disc 12 combined with the spokes 20 of the wheels. The number of wheel spoke fixing holes 120 is set, so the stress around the number of wheel spoke fixing holes 120 is concentrated, and there is a problem in structural stability. In addition, the spokes 20 of the wheels that are in contact with each other in the middle section of the intersecting state will be affected by the hub body. 11 is stressed and produces the friction of the contact position of wheel spoke 20, also reduces the strength and the service life of wheel spoke 20, so there is the necessity of improvement.

In view of the structural stability, structural strength and insufficient service life of the conventional bicycle hub structure, the present invention completes the bicycle hub structure of the present invention.

The main purpose of the present invention is to provide a bicycle hub structure, the hub system includes a hub body, a ratchet disc and at least two hub disc groups, and the hub disc groups are respectively provided with an outer hub disc and an inner hub disc at intervals. The outer diameter of the outer hub is greater than the outer diameter of the inner hub, and the outer hub is provided with a number of fixed protrusions and a number of avoidance recesses alternately, and the fixed protrusions are respectively provided with an outer fixing hole, and the inner hub is opposite to the outer hub. The recesses of the hub discs are respectively provided with an internal fixing hole, and the hub disc groups are respectively arranged on two sides of the hub body, and the ratchet disc is arranged on the outer side of the hub body side of the hub body.

In a preferred embodiment, it further includes several round spokes and a round frame, the several fixed protrusions of the outer hub are provided with an inclined cut surface relative to the side surface of the ratchet disc, and one end of the several round spokes is fixed on the wheel frame, the The other end of the spokes of the number of wheels is fixed in the outer fixing hole of the number of fixing protrusions of the outer hub, and the inclined cut surface of the number of fixing protrusions prevents friction between the number of wheel spokes and the number of fixing protrusions, and improves the structure of the number of wheel spokes Rigidity and service life, in order to enhance the multiple variability of the present invention.

In a preferred embodiment, it further includes a number of spokes and a round frame, and an outwardly opening avoidance recess is provided between the inner fixing holes of the inner hub, and one end of the number of spokes is fixed on the wheel frame, and the number of spokes is fixed on the wheel frame. When the other end of the bar is fixed in the outer fixing hole of the number fixing convex part of the outer wheel hub, the avoidance recess is provided for the number wheel spokes to avoid during assembly, which is convenient for assembly and fixing, so as to enhance the multiple variability of the present invention.

In a preferred embodiment, the avoidance recess of the inner hub is further provided with a trough, the depth of which is lower than the outer diameter of the outer fixing hole of the outer hub, and the number of spokes fixed on the outer hub When the outer fixing hole is set on the fixing convex part, the wave trough of the avoiding concave part is used for avoiding when the spokes of the number wheel are assembled, so that the spokes of the wheel do not contact the inner hub disk, and the endurance strength and service life of the spokes of the wheel are improved, so as to improve the performance of the present invention. multiple variability.

The two sides of the hub body of the wheel hub are respectively provided with a hub disc group, and the hub disc group is provided with an outer hub disc and an inner hub disc at intervals. The frame is fixedly combined, and the other ends of the spokes of the number of wheels are fixedly combined with the outer hub and the inner hub respectively, and the stress generated by the spokes of the number of wheels is distributed on the outer hub and the inner hub, so as to avoid the outer hub or the inner hub from being overburdened The outer hub and inner hub are arranged at intervals, so that the spokes of several wheels will contact each other when they are assembled, reducing the impact of friction on the structural strength and service life, so as to achieve the convenience and functionality of the structure. Good effect.

In order to enable your examiners to further understand the structure, features and other purposes of the present invention, the following preferred embodiments are described in detail with accompanying drawings, but the embodiments described in this illustration are for illustration purposes only. It is not the only restriction on the patent application.

Please refer to Figures 1 to 3, which are the three-dimensional state, the front view state, the side view half-section and the partial enlarged state reference diagram of the bicycle hub structure of the present invention, which include:

A hub 10, the hub 10 is provided with a hub body 11, a ratchet disc 13 and at least two hub disc groups 14, and the hub disc groups 14 are separately provided with an outer hub disc 140 and an inner hub disc 141, the outer hub The outer diameter of the disc 140 is larger than the outer diameter of the inner hub disc 141, and the outer hub disc 140 is provided with several fixed convex parts 140A and several avoidance concave parts 140B alternately, and the fixed convex parts 140A are respectively provided with an outer fixed hole 140a. The number of recesses 140B of the inner hub disc 141 relative to the outer hub disc 140 is respectively provided with an inner fixing hole 141a, and the hub disc group 14 is respectively arranged on two sides of the hub body 11, and the ratchet disc 13 is arranged on the hub body 11-1. The hub disk group 14 outer sides of side.

Through the cooperation of the above structures, the bicycle hub structure of the present invention is completed.

Please refer to Figures 1 to 5, which are the three-dimensional state, front view state, side view half-section and partial enlarged state of the bicycle hub structure of the present invention, the three-dimensional use state assembled with the wheel spokes and the wheel frame, and the wheel spokes and the wheel frame Assembled side view use state reference figure, the two sides of the hub body 11 of the wheel hub 10 are respectively provided with the hub disc group 14, the hub disc group 14 is provided with an outer hub disc 140 and an inner hub disc 141 at intervals. When 20 and one round frame 30 are assembled, one end of the number of wheel spokes 20 is fixedly combined with the wheel frame 30, and the other end of the number of wheel spokes 20 is fixedly combined with the outer hub disc 140 and the inner hub disc 141 respectively, and the number of wheel spokes 20 are dispersed to produce The outer hub disc 140 and the inner hub disc 141 are stressed to prevent the outer hub disc 140 or the inner hub disc 141 from being subjected to excessive force, and the outer hub disc 140 and the inner hub disc 141 are arranged at intervals, so that the number of spokes 20 During assembly, the parts will come into contact with each other, reducing friction and affecting the structural strength and service life, so as to achieve the effect of convenient use of the structure and good functionality of the use of the structure.

Please refer to shown in Figure 3, which is a side view half-section and a partially enlarged state reference view of the bicycle hub structure of the present invention. The number of fixed protrusions 140A is provided with an inclined cut surface 140b relative to the side surface of the ratchet plate 14, one end of the number wheel spokes 20 is fixed to the wheel frame 30, and the other end of the number wheel spokes 20 is fixed to the outer wheel hub 140. The outer fixing hole 140a provided by the convex part 140A, and the inclined cut surface 140b provided by the fixed convex part 140A prevents the friction between the spokes 20 of the numbered wheels and the fixed convex part 140A of the numbered wheels, and improves the rigidity and service life of the spokes 20 of the numbered wheels. Improve the multiple variability of the present invention.

Please refer to shown in Figure 1, which is a schematic diagram of a three-dimensional state of the bicycle hub structure of the present invention. In a preferred embodiment, it further includes several wheel spokes 20 and a wheel frame 30, and a fixed hole 141a is provided between the inner hub disc 141. There is an outwardly opening avoidance recess 141b, one end of the spokes 20 of the number of wheels is fixed to the wheel frame 30, and the other end of the spokes 20 of the number of wheels is fixed to the outer fixing hole 140a of the number of fixing protrusions 140A of the outer hub 140 The evacuation recess 141b is provided for evasion when the number wheel spoke 20 is assembled, which is convenient for assembling and fixing, so as to enhance the multiple variability of the present invention.

Please refer to Fig. 6, which is the embodiment of the bicycle hub structure of the present invention. The trough depth of the avoidance recess provided by the inner hub disc is lower than the outer diameter of the outer fixing hole set by the outer hub disc. In a preferred embodiment Among them, its overall structure is identical with Fig. 1 to 5 of the present invention, only the avoidance recess 141b of its inner hub disc 141 is provided with a trough 141c, and the depth of this trough 141c is lower than the outer diameter of the outer fixing hole 140a of the outer hub disc 140, When the number wheel spokes 20 are fixed on the outer fixing holes 140a of the number fixing protrusions 140A of the outer wheel hub 140, the troughs 141c of the avoidance recesses 141b are avoided when the number wheel spokes 20 are assembled, so that the wheel spokes 20 are not in contact with the inside. The contact of the hub disc 141 improves the endurance strength and service life of the spokes 20, so as to improve the multiple variability of the present invention.

In summary, the present invention can indeed achieve the above-mentioned functions and purposes, so the present invention should meet the patent application requirements, and the application should be filed according to law.

10: hub 11: Hub body 12: hub disc 120: Wheel spoke fixing hole 13: ratchet plate 14: Hub disc set 140: Outer hub 140A: fixed convex part 140a: external fixation hole 140b: avoidance recess 140B: Dodging the concave part 141c: Trough 141: Inner hub disc 141a: internal fixation hole 141b: avoidance recess 20: Wheel spokes 30: wheel frame 31: positioning binding hole

[Fig. 1] is a three-dimensional schematic view of the bicycle hub structure of the present invention. [Fig. 2] is a schematic diagram of the front view state of the bicycle hub structure of the present invention. [Fig. 3] is a side view half-section and partially enlarged state reference diagram of the bicycle hub structure of the present invention. [Fig. 4] is a three-dimensional use state reference diagram of the assembly of the bicycle hub structure of the present invention with the spokes and the wheel frame. [Fig. 5] is a side view reference diagram of the assembly of the wheel spokes and the wheel frame of the bicycle hub structure of the present invention. [Fig. 6] It is a reference diagram of the state in which the trough depth of the avoidance recess provided by the inner hub disc is lower than the outer diameter of the outer fixing hole provided by the outer hub disc of the embodiment of the bicycle hub structure of the present invention. [Fig. 7] is a three-dimensional state reference diagram of a conventional bicycle hub structure of the bicycle hub structure of the present invention.

10: hub

11: Hub body

13: ratchet plate

14: Hub disc set

140: Outer hub

140A: fixed convex part

140a: external fixation hole

140b: avoidance recess

140B: Dodging the concave part

141: Inner hub disc

141a: internal fixation hole

141b: avoidance recess

Claims (8)

A bicycle hub structure comprising: A hub, the hub is provided with a hub body, a ratchet disc and at least two hub disc groups, the hub disc groups are respectively provided with an outer hub disc and an inner hub disc at intervals, and the outer hub discs are alternately provided with several fixed protrusions and The number of relief recesses, and the number of fixed protrusions are respectively provided with an external fixing hole, and the number of relief recesses of the inner hub disc relative to the outer hub disc are respectively provided with an inner fixing hole, and the hub disc sets are respectively provided on both sides of the hub body , and the ratchet disc is located outside the hub disc group on one side of the hub body. The bicycle hub structure as claimed in claim 1, wherein the fixed protrusions of the outer hub are provided with an inclined cut surface relative to the side surface of the ratchet disc. The bicycle hub structure as claimed in claim 1, wherein an outwardly opening avoidance recess is provided between the inner fixing holes of the inner hub. The bicycle hub structure according to claim 1, wherein the outer diameter of the outer hub is larger than the outer diameter of the inner hub. A bicycle hub structure comprising: A hub, the hub is provided with a hub body, a ratchet disc and at least two hub disc groups, the hub disc groups are respectively provided with an outer hub disc and an inner hub disc at intervals, and the outer hub discs are alternately provided with several fixed protrusions and The number of relief recesses, and the number of fixed protrusions are respectively provided with an external fixing hole, and the number of relief recesses of the inner hub disc relative to the outer hub disc are respectively provided with an inner fixing hole, and the hub disc sets are respectively provided on both sides of the hub body , and the ratchet disc is located outside the hub disc group on one side of the hub body; Spokes of the number of wheels, one end of the spokes of the number of wheels is respectively fixed in the outer fixing holes of the number of fixing protrusions of the outer hub and the inner fixing holes of the inner hub; and A wheel frame, the inner space of the wheel frame is combined with the other ends of the spokes of several wheels and fixed. The bicycle hub structure as described in Claim 5, wherein, the fixed protrusions of the outer hub are provided with an inclined cut surface relative to the side surface of the ratchet plate, one end of the spokes of the number of wheels is fixed on the wheel frame, and the spokes of the number of wheels are in addition The ends are fixed to the outer fixing holes provided by the number of fixing protrusions of the outer hub, and the inclined cut surfaces of the number of fixing protrusions are provided to prevent friction between the spokes of the number of wheels and the number of fixing protrusions. The bicycle hub structure as described in Claim 5, wherein an outwardly opening avoidance recess is provided between the inner fixing holes of the inner hub, one end of the spokes of the number of wheels is fixed to the wheel frame, and the other end of the spokes of the number of wheels is fixed to the wheel frame. When the outer fixing hole is arranged on the number fixing convex part of the outer wheel hub, the avoidance recess is used for avoiding when the number wheel spokes are assembled. The bicycle hub structure according to claim 5, wherein the outer diameter of the outer hub is larger than the outer diameter of the inner hub. The bicycle hub structure as described in claim 1, wherein, the avoidance recess of the inner hub is further provided with a trough, the depth of which is lower than the outer diameter of the outer fixing hole of the outer hub, and the spokes of several wheels are fixed. When the outer fixing holes are set on the number fixing protrusions of the outer hub, the troughs of the avoidance recesses are avoided when the number wheel spokes are assembled, so that the wheel spokes do not contact the inner wheel hub.

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