JPH0476595U

JPH0476595U -

Info

Publication number: JPH0476595U
Application number: JP12116990U
Authority: JP
Priority date: 1990-11-19
Filing date: 1990-11-19
Publication date: 1992-07-03

Description

[Brief explanation of drawings]

第１図から第３図は本考案の第１実施例に係る
自転車の車輪軸取付用つめ部を示す一部断面正面
図、第４図は本考案の第２実施例を示す一部断面
正面図、第５図は従来の車輪軸の取付状態を示す
正面図である。１１……車輪軸、２０……つめ部、２１……接
合端部、２２……基部、２３……差し込み部、２
４，２５……リング状プレート、２６，２７……
リング溝、２８……雄ねじ、３０……シートステ
ー、３１，４１……ソケツト部、３２，４２……
円錐面、４０……チエーンステー、５０……接着
層。 1 to 3 are partially sectional front views showing a bicycle wheel axle mounting pawl according to a first embodiment of the present invention, and FIG. 4 is a partially sectional front view showing a second embodiment of the present invention. FIG. 5 is a front view showing a state in which a conventional wheel axle is attached. DESCRIPTION OF SYMBOLS 11... Wheel axle, 20... Pawl part, 21... Joint end part, 22... Base part, 23... Insertion part, 2
4, 25...Ring plate, 26, 27...
Ring groove, 28... Male thread, 30... Seat stay, 31, 41... Socket part, 32, 42...
Conical surface, 40... Chain stay, 50... Adhesive layer.

Claims

[Claims for Utility Model Registration] 1. A wheel axle 11 is attached, and a pair of connecting ends 21 branched into one or two branches are provided, and a seat stay 30 and a chain stay 40 made of fiber-reinforced resin are attached to the connecting ends. Or a bicycle wheel axle mounting claw part 20 for connecting a front fork, wherein the connecting end is provided with a substantially short cylindrical base part 22 and an insertion part 23 having a smaller diameter than the base part in a continuous step-like manner. and a plurality of grooves are provided on the circumferential surfaces of the base portion and the insertion portion, and an adhesive layer 50 made of fiber-reinforced resin that completely fills these grooves and covers the circumferential surfaces.
The insertion part is inserted into the socket part 31, 41 provided at the end of the seat stay, chain stay or front fork, and the socket part and the adhesive layer are pressed and heat treated to interfacially bond and integrate. A pawl for mounting a bicycle wheel axle, which is characterized by being fixed to a bicycle wheel axle. 2 The groove portion is a ring-shaped groove 2 formed between a plurality of ring-shaped plates 24 and 25 provided at the connection end.
6. The wheel axle mounting pawl portion according to claim 1, wherein the pawl portion is 6.27. 3. The wheel axle mounting pawl according to claim 1, wherein the groove is a thread groove of a male thread 28 integrally formed at the connecting end. 4 The outer circumferential surface of the socket portion is the edge portion 32a, 4
Claim 1 characterized in that the conical surfaces 32, 42 are tapered toward 2a, and the outer circumferential surface of the joint portion between the base and the edge portion is a continuous and smooth circumferential surface. 4. The wheel axle mounting pawl according to claim 3.