CN201015946Y

CN201015946Y - Bicycle hub

Info

Publication number: CN201015946Y
Application number: CNU2006201757289U
Authority: CN
Inventors: 林阿平
Original assignee: LEE CHI MACHINERY CO Ltd
Current assignee: LEE CHI MACHINERY CO Ltd
Priority date: 2006-12-22
Filing date: 2006-12-22
Publication date: 2008-02-06
Anticipated expiration: 2016-12-22

Abstract

The utility model discloses a bicycle hub, comprising an axle tube and two floral disc parts. The axle tube is a hollow tube body, also includes a multidimensional tube body consisting of a plurality of sides; each end of the axle tube contains a polygonal section which is perpendicular to the axes. The two floral disc parts are arranged at the two ends respectively, and each floral disc part includes a combining part and a floral disc. The combining part is combined at the extreme of the corresponding axle tube, and contains a combining hole; the shape of combining hole is corresponding to the polygonal section of the extreme which is combined. The floral disc is connected to the combining part, containing a plurality of spoke holes.

Description

Bicycle hub

Technical field

The utility model relates to a kind of colored hub, particularly relates to a kind of colored hub of bicycle.

Background technology

The flower hub is for to be installed in an anchor shaft of bicycle fork (front fork or back vent), and is used for width of cloth bar in conjunction with wheel, but so that the rotation of wheel relative fixed axle, and then bicycle is advanced or retreat.

Existing flower hub mainly can be divided into two types according to manufacture, a kind of being formed in one, and another kind then forms for assembly welding.Integrated colored hub is not because there is the combination of part to make, and its mechanical strength is preferable usually.But the colored hub of one-body molded making must carry out extra surface treatment, as turner, miller etc., just can reach the requirement of product to precision and profile.The second road work programme that this kind is extra not only can prolong manufacturing time, increase the probability that off gauge produces, and also can cause the increase of productive costs.

The colored hub that another kind of assembly welding forms mainly comprises a circular shaft pipe, two floral discs and two bearings portion, and bearing portions is not located at the two ends of circular shaft pipe with welding manner, and floral disc is incorporated in the bearing portion for combining with width of cloth bar with welding manner equally.In this way, if welded joint is shaky, the circular shaft pipe produces slide relative easily and between other assembly, causes problems such as intensity is not good.

Summary of the invention

The purpose of this utility model is to provide a kind of bicycle hub, by cooperating of polygon shaft and hole, makes the simple and strength enhancing of manufacturing of colored hub.

To achieve these goals, the utility model provides a kind of bicycle hub, includes a central siphon and two floral disc portions.This central siphon is a hollow tube, and comprises several limit faces and form a multiaspect body, and each end of this central siphon also has a polygonal cross-section perpendicular to its axle center.

Two floral discs partly are located at the two ends of this central siphon, and respectively this floral disc portion includes a joint portion and a floral disc.The joint portion is incorporated into cooresponding central siphon end, and has a combined hole, and the shape of this combined hole corresponds to the polygonal cross-section of the end that combines.Floral disc is connected in this joint portion, and has several width of cloth cylindrical voids.

Effect of the present utility model is:

1. make simply, can save overhours, work flow and manufacturing cost.Between central siphon and floral disc portion by the cooperating of polygon shaft and hole, when assembling, between the two by the mode of adhesion, the effect that can obtain to fix, assembling easily.

2. bulk strength improves.This central siphon is the multiaspect body that a hollow tube forms, and multi-plane structure can promote the mechanical strength of central siphon, and then promotes the single-piece mechanical strength.

3. inter-module does not have the generation of slide relative phenomenon.By the cooperating of polygon shaft and hole, not only can increase bulk strength between central siphon and floral disc portion, can prevent that also the situation of slide relative takes place between the two.

Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.

Description of drawings

Fig. 1 is the block diagram of the colored hub of the utility model first embodiment;

Fig. 2 is the three-dimensional exploded view of flower hub among Fig. 1;

Fig. 3 is the section-drawing of another embodiment of a central siphon of flower hub among Fig. 1;

Fig. 4 is the section-drawing of the another embodiment of Fig. 3 central siphon;

Fig. 5 is the front elevation of flower hub among Fig. 1;

Fig. 6 is the right elevation of flower hub among Fig. 1;

Fig. 7 is the left view of flower hub among Fig. 1;

Fig. 8 is the block diagram of the colored hub of the utility model second embodiment.

Wherein, Reference numeral:

100: flower hub 303: width of cloth cylindrical void

200: central siphon 304: bearing portion

201: cross section 305: perforation

202: limit face 306: stopper

203: bevel 307: combined hole

204: threaded portion 400: the brake joint portion

300: floral disc portion 401: protuberance

301: floral disc 402: recess

302: joint portion 403: screw

The specific embodiment

Please refer to Fig. 1 and Fig. 2, the colored hub 100 of the utility model first preferred embodiment includes a central siphon 200 and two floral disc portions 300, in the present embodiment, be disc brake formula flower hub, thereby, this flower hub 100 also comprises a brake joint portion 400, for using in conjunction with the disc brakes dish.

Please refer to Fig. 2, Fig. 3 and shown in Figure 4, central siphon 200 is a hollow tube, and comprises several limit faces 202 and form a multiaspect body, and just, the cross section of central siphon 200 vertical central is a polygonal cross-section.In this embodiment, the cross section 201 of central siphon 200 vertical central is a hexagonal cross-section, and limit face 202 is a plane.This cross section 201 also can be other polygon.

Simultaneously, 202 in adjacent limit face is provided with a bevel 203.This bevel 203 can be a plane (be chamfering, as shown in Figure 4) or a cambered surface (be rounding, as shown in Figure 2), bevel 203 is compared with limit face 202, and bevel 203 forms bright surface, and limit face 202 forms dark surface, thereby forms a luminance difference.

Floral disc portion 300 is divided into the two ends of central siphon 200, and each floral disc portion 300 includes a floral disc 301 and a joint portion 302.In the present embodiment, floral disc 301 is the integral production moulding with joint portion 302.Floral disc portion 300 is provided with a perforation 305 on joint portion 302.When floral disc portion 300 combines with central siphon 200, perforation 305 and central siphon 200 concentrics.The inner edge of perforation 305 is provided with a stopper 306, and a side of stopper 306 corresponding central siphons 200 forms a combined hole 307 (as shown in Figure 8), and opposite side is provided with a bearing portion 304.

Combined hole 307 is used for the end of ccontaining central siphon 200, and has and this cross section 201 corresponding shapes, and in the present embodiment, combined hole 307 is a polygonal hole.Bearing portion 304 is used for installing a bearing.

Whereby, when the end of central siphon 200 placed into combined hole 307, both can use modes such as adhesion, welding central siphon 200 and combined hole 307, further fix.Because central siphon 200 and combined hole 307 engage for corresponding polygon, therefore, central siphon 200 and floral disc portion 300 do not have the situation generation of slide relative between the two after combining, and feasiblely spend hub 100 integral intensity and durability increase.In addition, central siphon 200 uses polygonized structure, also can provide better engineering properties, as the lifting of intensity.

Please refer to Fig. 4, Fig. 5 and Fig. 6, floral disc 301 is provided with several width of cloth cylindrical voids 303, for combining with the width of cloth bar of wheel.In the 400 floral disc portions 300 located therein of brake joint portion.Brake joint portion 400 can be formed as one with floral disc portion 300, and has several protuberances 401.401 of adjacent protuberances form recess 402.Protruding 401 compare with recess 402, and protuberance 401 forms dark surface, and recess 402 forms bright surface.Protuberance 401 also is provided with screw 403, and the bearing of trend of screw 403 is parallel to the axle center of central siphon 200.

The surface of flower hub 100 except bevel 203 and recess 402, can be coated with the dope layer of same colour system, as a blacking layer.Whereby, can form the light and shade staggered effect between limit face 202 and the bevel 203 and between protuberance 401 and the recess 402.When spending hub 100 to be installed in car body, when car body was advanced, the colored hub 10 of rotation had effect attractive in appearance.

Please refer to Fig. 8, be the utility model second embodiment.It is with the different enforcement means of previous embodiment, on the tube wall of central siphon 200, is provided with a threaded portion 204, for using in conjunction with other parts.

Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.

Claims

1. a bicycle hub is characterized in that, includes:

One central siphon is a hollow tube, and this central siphon multiaspect body that several limits faces form of serving as reasons, and each end of this central siphon also has a polygonal cross-section perpendicular to its axle center;

Two floral disc portions are divided into the two ends of this central siphon, and respectively this floral disc portion includes a joint portion, is incorporated into cooresponding central siphon end, and has a combined hole, and the shape of this combined hole corresponds to the polygonal cross-section of the end that combines; And a floral disc, be connected in this joint portion, have several width of cloth cylindrical voids.

2. bicycle hub according to claim 1 is characterized in that, this floral disc is that one is connected in this joint portion.

3. bicycle hub according to claim 1 is characterized in that, this polygonal cross-section is a hexagon.

4. bicycle hub according to claim 1 is characterized in that, this central siphon is provided with a bevel between adjacent limit face, has a luminance difference between the limit face of adjacency and bevel.

5. bicycle hub according to claim 4 is characterized in that, this bevel is a plane.

6. bicycle hub according to claim 4 is characterized in that, this bevel is a curved surface.

7. bicycle hub according to claim 1 is characterized in that, also comprises:

One brake joint portion, in the floral disc portion located therein, this brake joint portion has several staggered protuberance and recesses, wherein, has a luminance difference between the protuberance of adjacency and recess, and respectively this protuberance also is provided with a screw.

8. bicycle hub according to claim 7 is characterized in that, this brake joint portion is that one is located at this floral disc portion.

9. bicycle hub according to claim 1 is characterized in that this central siphon has the threaded portion of being located on its tube wall.

10. arrive each described bicycle hub of claim 9 according to claim 1, it is characterized in that this joint portion also comprises:

One bearing portion; And

One stopper, this stopper are located between this bearing portion and this combined hole.