CN211710536U

CN211710536U - Wheel structure

Info

Publication number: CN211710536U
Application number: CN201922056565.2U
Authority: CN
Inventors: 蔡金财
Original assignee: Shenyi Ltd
Current assignee: Shenyi Ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-10-20
Anticipated expiration: 2029-11-25

Abstract

The utility model provides a wheel structure, which is formed by a wheel rim, a hub, a plurality of spoke steel wires and a plurality of forced abutting end faces which are formed on the inner edge peripheral surface of the wheel rim and are relatively positioned at the relative vertical connecting positions of the spoke steel wires; the utility model discloses rely on the central axis of each this spoke steel wire, this wheel rim corresponds compels to support terminal surface and this colored hub be vertical to the face for the relative disposition angle, make this first nut piece and this second nut piece lock firm in this second of this spoke steel wire link the spiral shell section and fasten when this wheel rim, the contact terminal surface of this relative this wheel rim of this first nut piece and this second nut piece can paste completely and touch compels to support in corresponding this compels to support the terminal surface, for aiming at the shaft center and then the atress is average in the use of making this wheel rim, make the utility model discloses a the holistic structural strength of wheel rim can greatly radiate the firm that promotes and increase the structure, is difficult for producing the deformation.

Description

Wheel structure

Technical Field

The utility model relates to a wheel utensil structure, especially when this wheel rim and this colored hub rely on the two-way vertical spiral shell group of this plural spoke steel wire to combine, for aiming at the shaft center and then the atress is average on the use of this wheel rim the utility model discloses a whole structural strength of wheel rim greatly spoke promotes and stabilizes, is difficult for producing the innovative structural design who warp.

Background

The wheel assembly is generally applicable to wheelchairs or bicycles, and various components are continuously improved to increase strength as the generation evolves. The existing wheel set structure is mainly formed by a peripheral rim, a central hub and a plurality of spoke steel wires connected between the rim and the hub, a plurality of through holes are arranged on the inner wall of the rim in a penetrating way, one end of each spoke steel wire is fixedly connected to the hub, the other end of each spoke steel wire is arranged in the rim in a penetrating way, and a fixing piece and the spoke steel wires are mutually locked and fixed. However, most of the rims are manufactured and formed by aluminum extrusion during processing, and after the spoke steel wires and the fixing piece locking nuts are added, the joint surfaces of the nuts locked by the spoke steel wires and the inner walls of the rims are arc surfaces, so that the fixing pieces and the nuts cannot be completely attached to the end surfaces of the outer edges of the through holes of the rims, the severe situation causes uneven deflection stress, and further the center of a wheel shaft cannot be aligned, and the integral structure of the rims is unstable; in addition, please refer to taiwan patent publication No. M442280 for a bicycle rim assembly, which comprises a rim, a hub and a plurality of spokes, wherein: the inner side of the wheel rim is provided with a plurality of assembling pieces, each assembling piece is provided with a group of embedded ends arranged in the wheel rim and a combination end exposed out of the inner side of the wheel rim; each spoke is provided with a group of fixing ends arranged on the wheel hub, and the other end of each spoke is provided with a clamping groove which is mutually clamped and fixed with the combining end of the assembling piece; however, the inner side of the conventional rim is provided with a plurality of assembling members, which are not combined by screw lock, and only by the fastening connection manner, the structural strength is insufficient, for example, the fastening connection elements are easy to fall off or break in a long-term vibration state of the wheel body.

In view of above phenomenon, the present case utility model designer is based on the experience of many years's preparation, and then utility model discloses use on for aiming at the shaft center and then the atress is average, the order the utility model discloses a holistic structural strength of wheel rim greatly radials promotes and the structure is firm, is difficult for producing the wheel utensil structure of deformation.

SUMMERY OF THE UTILITY MODEL

Namely, the main object of the present invention is to provide a wheel structure; the problem to be solved is to improve and break through the problem that most of the conventional rim is manufactured and formed by aluminum extrusion during processing, and after the spoke steel wire is provided with the fixing piece locking nut, the joint surface of the nut locked by the spoke steel wire and the inner wall of the rim is an arc surface, so that the fixing piece and the nut cannot be completely attached to the end surface of the outer edge of the through hole of the rim, the deflection stress is uneven for serious people, the center of the wheel shaft cannot be aligned, and the integral structure of the rim is unstable.

In order to achieve the above object, the utility model adopts the following technical scheme:

a wheel structure, comprising:

a rim, a plurality of through parts are annularly and uniformly distributed on the circumferential surface of the inner edge of the rim, a hub is arranged at the center of the inner part of the rim, corresponding inner screw holes are respectively arranged at the two sides of the hub corresponding to the through parts of the rim, the through parts and the inner screw holes are respectively assembled by means of relative staggered combination of a plurality of spoke steel wires, wherein the spoke steel wires are respectively provided with a first connecting screw section and a second connecting screw section, the first connecting screw section screw group penetrates through the inner screw holes at the two sides of the hub, then a screw group is combined with the extended first connecting screw section, the second connecting screw section penetrates through the through parts of the rim, then a first screw cap piece and a second screw cap piece are relatively screwed on the second connecting screw section, and the first screw cap piece and the second screw cap piece are oppositely locked at the inner and outer circumferential end surfaces of the through parts;

and a plurality of pressing end faces which are respectively formed on the peripheral surface of the inner edge of the rim and are relatively positioned at the relative vertical connecting positions of the spoke steel wires, namely a unit of spoke steel wires are vertically and oppositely positioned on a unit of pressing end faces, wherein the central axis of each spoke steel wire, the corresponding pressing end faces of the rim and the hub are vertical configuration angles, and an angle turning area is respectively formed among the pressing end faces, so that when the first nut piece and the second nut piece are fixedly locked on the second connecting screw section of the spoke steel wires and are fastened on the rim, the first nut piece and the second nut piece can be completely pressed against the corresponding pressing end faces.

The rim is made of carbon fiber.

The first nut member is provided with a first inner screw part, one end of the second nut member is provided with a second inner screw part and a second outer screw part arranged on the periphery of an outer ring, wherein the inner diameter of the first inner screw part of the first nut member is the same as that of the second outer screw part of the second nut member, the inner diameter of the second inner screw part of the second nut member is the same as that of the second connecting screw section of the spoke steel wire, the other end of the second nut member is provided with a driving end in a non-circular notch shape, the second inner screw part of the second nut member is firstly penetrated through the penetrating part inwards to extend out of the inner edge of the wheel rim, then the second connecting screw section of the spoke steel wire is screwed on the second inner screw part of the second nut member, and then the first inner screw part of the first nut member is screwed on the second outer screw part of the second nut member.

And a limit flange is arranged at the adjacent position of the first connecting screw section of the spoke steel wire, the limit flange provides a stop for limiting the position of the end face of the outer edge of the inner screw hole of the hub, and then the first connecting screw section of the spoke steel wire and the screw assembly are oppositely screwed.

So innovate unique design, the utility model discloses rely on the central axis of each this spoke steel wire, this wheel rim corresponds compels to support terminal surface and this colored hub be vertical face for relative configuration angle, make this first nut piece and this second nut piece lock firm in this second of this spoke steel wire link the spiral shell section and fasten when this wheel rim, the contact terminal surface of this relative wheel rim of this first nut piece and this second nut piece can paste completely and contact compels to support to corresponding this compels to support the terminal surface, make this wheel rim and this colored hub rely on the two-way vertical spiral shell group of this plural spoke steel wire to combine together, for aiming at the shaft center and then the atress is average in the use of this wheel rim, make the utility model discloses a wheel utensil overall structure intensity greatly promotes and reaches stable in structure, is difficult for producing the deformation.

Drawings

Fig. 1 is a combined perspective view of the wheel structure of the present invention.

Fig. 2 is an exploded perspective view of the wheel structure of the present invention.

Fig. 3 is an exploded perspective view of the rim, spoke wires, first nut member and second nut member of the wheel structure of the present invention.

Fig. 4 is a front view of the wheel structure of the present invention.

Fig. 5 is a cross-sectional view taken along line 4-4 of fig. 4.

FIG. 6 is a partial enlarged view of the indication line 6 of FIG. 5, showing the central axis of the spoke wires, the relative disposition angle of the corresponding urging end surface of the rim and the hub being a vertical plane.

FIG. 7 is a partial enlarged view of the indicated line 7 of FIG. 5, showing the central axis of the spoke wire, the corresponding pressing end face of the rim and the hub arranged at a vertical angle.

Fig. 8 is a partially enlarged view of the indication line 8 of fig. 5, showing a cross-sectional view of the spoke wires coupled to the hub.

Description of reference numerals: 10-a rim; 11-a pressing end face; a 111-angle turning region; 12-a penetration; 20-spoke steel wire; 21-a first connecting helix segment; 22-a second connecting screw section; 23-a position-defining flange; 30-a first nut member; 31-a first internal thread; 40-a second nut member; 41-second outer screw portion; 42-a second internal thread; 43-drive end; 50-a hub; 51-internal screw holes; 60-a screw assembly; y-center axis; v-relative disposition angle.

Detailed Description

Please refer to fig. 1 to 8, which are preferred embodiments of the wheel structure of the present invention, but these embodiments are only for illustrative purposes and are not limited by the structure in the patent application; the method comprises the following steps:

a rim 10, a plurality of through portions 12 are uniformly distributed on the inner peripheral surface of the rim 10, a hub 50 is disposed at the center of the rim 10, the two sides of the hub 50 are respectively provided with corresponding inner screw holes 51 corresponding to the through portions 12 of the rim 10, the penetrating portion 12 and the inner screw hole 51 are assembled by relatively alternately combining a plurality of spoke wires 20, wherein the spoke wire 20 has a first connecting screw section 21 and a second connecting screw section 22, the first connecting screw section 21 is formed by screwing the first connecting screw section 21 extending from the inner screw hole 51 of the hub 50 through a screw assembly 60, the second connecting screw 22 is inserted into each penetrating portion 12 of the rim 10, and then is screwed to the second connecting screw 22 by a first nut member 30 and a second nut member 40, the first nut member 30 and the second nut member 40 are locked at the inner and outer end surfaces of the periphery of the through part 12;

a plurality of pressing end surfaces 11 respectively formed on the inner peripheral surface of the rim 10 and located at the opposite vertical connecting positions of the spoke wires 20, that is, a unit of spoke wires 20 is vertically and oppositely located on a unit of pressing end surfaces 11, wherein the central axis Y of each spoke wire 20, the corresponding arrangement angle V of the pressing end surface 11 corresponding to the rim 10 and the hub 50 are vertical surfaces, and an angle turning region 111 is formed between each pressing end surface 11, so that when the first nut member 30 and the second nut member 40 are locked and fixed to the second connecting screw section 22 of the spoke wire 20 and fastened to the rim 10, the contact end surface of the first nut member 30 and the second nut member 40 relative to the rim 10 can be completely pressed against the corresponding pressing end surface 11.

Preferably, the first nut member 30 has a first inner screw portion 31, and one end of the second nut member 40 has a second inner screw portion 42 and a second outer screw portion 41 disposed on the outer ring periphery, wherein the inner diameter of the first inner screw portion 31 of the first nut member 30 is the same as the second outer screw portion 41 of the second nut member 40, the inner diameter of the second inner screw portion 42 of the second nut member 40 is the same as the second connecting screw segment 22 of the spoke wire 20, the other end of the second nut member 40 has a driving end 43 in the form of a non-circular notch, and the rim has an opening corresponding to the driving end 43 for a hand tool to extend into the opening to drive the driving end 43, so that the second inner screw portion 42 of the second nut member 40 first extends through the through portion 12 to the inner edge of the rim 10, and then the second connecting screw segment 22 of the spoke wire 20 is screwed into the second screw portion 42 of the second nut member 40, after screwing, the first inner screw portion 31 of the first nut member 30 is screwed to the second outer screw portion 41 of the second nut member 40.

Preferably, a position-limiting flange 23 is disposed adjacent to the first connecting screw segment 21 of the spoke steel wire 20, so that the position-limiting flange 23 provides a stop for limiting the position of the outer edge end surface of the inner screw hole 51 of the hub 50, and then the first connecting screw segment 21 of the spoke steel wire 20 is screwed to the screw assembly 60.

Thus, the present invention utilizes the central axis Y of each spoke wire 20, the forced end surface 11 corresponding to the rim 10 and the hub 50 as the relative disposition angle V, which is a vertical surface, to lock the first nut 30 and the second nut 40 to the second connecting screw section 22 of the spoke wire 20 and fasten them to the rim 10, the contact end surfaces of the first nut 30 and the second nut 40 corresponding to the rim 10 can be completely contacted and pressed against the corresponding forced end surfaces 11, so that when the rim 10 and the hub 50 are combined by the bidirectional vertical screws of the spoke wires 20, the rim 10 can achieve better strength and rigidity in use and is not easy to deform.

The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A wheel structure, comprising:

and a plurality of pressing end faces which are respectively formed on the peripheral surface of the inner edge of the rim and are relatively positioned at the relative vertical connecting positions of the spoke steel wires, namely a unit spoke steel wire is vertically and oppositely positioned on a unit pressing end face, wherein the central axis of each spoke steel wire, the corresponding pressing end face of the rim and the corresponding configuration angle of the hub are vertical faces, and an angle turning area is respectively formed between the pressing end faces, so that when the first nut piece and the second nut piece are fixedly locked on the second connecting screw section of the spoke steel wire and are fastened on the rim, the first nut piece and the second nut piece can be completely pressed against the corresponding pressing end face relative to the contact end face of the rim.

2. The wheel structure of claim 1, wherein: the first nut member is provided with a first inner screw part, one end of the second nut member is provided with a second inner screw part and a second outer screw part arranged on the periphery of an outer ring, wherein the inner diameter of the first inner screw part of the first nut member is the same as that of the second outer screw part of the second nut member, the inner diameter of the second inner screw part of the second nut member is the same as that of the second connecting screw section of the spoke steel wire, the other end of the second nut member is provided with a driving end in a non-circular notch shape, the second inner screw part of the second nut member is firstly penetrated through the penetrating part inwards to extend out of the inner edge of the wheel rim, then the second connecting screw section of the spoke steel wire is screwed on the second inner screw part of the second nut member, and then the first inner screw part of the first nut member is screwed on the second outer screw part of the second nut member.

3. The wheel structure of claim 1, wherein: and a limit flange is arranged at the adjacent position of the first connecting screw section of the spoke steel wire, the limit flange provides a stop for limiting the position of the end face of the outer edge of the inner screw hole of the hub, and then the first connecting screw section of the spoke steel wire and the screw assembly are oppositely screwed.