JPH01112186U - - Google Patents

Description

[Brief explanation of drawings]

FIG. 1 is a perspective view of essential parts showing an assembly mode of a vehicle body frame according to an embodiment of the present invention, FIG. 2 is a perspective view of essential parts showing an assembly mode of a vehicle body frame according to a modification thereof, FIG. Figures 4 and 5 are both 1st
Figure 2 is a cross-sectional view showing the upper end of the head pipe of the body frame assembled in the manner shown in the drawings, Figure 6 is a perspective view of essential parts showing the manner in which the body frame according to another embodiment is assembled, and Figure 7 is the Figure 5 is a vertical cross-sectional view of essential parts of the body frame assembled in the manner shown, Figure 8 is a plan view showing only the head pipe portion of the body frame according to another embodiment, Figure 9 is a cross-sectional view taken along the line Fig. 10 is a diagram similar to Fig. 8 relating to a modified example, Fig. 11 is a cross-sectional view taken along the - line, and Fig. 12
The figures are similar to FIGS. 8 and 10 according to other modified examples, and FIG. 13 is a cross-sectional view taken along the line --. 1...Left half body, 2...Head pipe half body, 3...End face, 4...Main frame element, 5...Right half body, 6...Head pipe half body, 7...End face, 8...Main frame element, 9
...Bearing support member, 10...Bearing groove, 11...Bearing support member, 12...Bearing groove, 13...Head pipe, 14
...Bearing, 15...Handle rotating shaft, 16...Head pipe, 17...Protrusion, 18...Outer ring, 19...Head pipe, 20...Small diameter part, 21...Bearing, 22...Left half body, 23...Head pipe half body, 24...End face , 25...
Fairing support piece, 26...main frame element, 2
7... End face, 28... Right half body, 29... Head pipe half body, 30... End face, 31... Fairing support piece, 3
2... Main frame element, 33... End face, 34... Tightening bolt, 35... Bearing support member, 36... Annular portion, 37
... Bearing groove, 38... Bifurcated branch piece, 39... Branch piece,
40... Bearing support member, 41... Annular portion, 42... Bearing groove, 43... Bifurcated branch piece, 44... Branch piece, 45...
Tightening bolt, 46...outer ring, 47...head pipe,
48... Head pipe half body, 49... Head pipe half body, 50... Upper end protrusion, 51... Inclined seat surface, 52... Lower end protrusion strip, 53... Inclined seat surface, 54... Internal first protrusion strip,
55...Internal second protrusion, 56...Head pipe core cylinder,
57, 58... Large diameter portion, 59... Nut, 60... Inclined seating surface, 61... Nut, 62... Inclined seating surface, 63... Tightening bolt/nut, 64... Head pipe, 65,
66...Head pipe half body, 67...Upper end protrusion, 68
... inclined seat surface, 69 ... lower end protrusion, 70 ... inclined seat surface,
71... Head pipe core tube, 72... Collar, 73... Inclined seating surface, 74... Threaded portion, 75... Nut, 76... Inclined seating surface, 77... Tightening bolt/nut, 78... Head pipe, 79, 80... Head pipe half body , 81...
First internal protrusion, 82... Second internal protrusion, 83... Head pipe core tube, 84, 85... Large diameter portion, 86... Flammed nut, 87... Tightening bolt/nut.

Claims (1)

[Claims for Utility Model Registration] (1) The head pipe and the frame element connected thereto are formed as a cast product divided into two parts on the left and right sides in the vehicle width direction, and the left and right parts are joined together. In the body frame of the motorcycle that is assembled with the motorcycle, a bearing support member for the handle rotation shaft is attached and fixed across the upper and lower end portions of the head pipe that belong to each of the left and right divided bodies,
A body frame for a motorcycle that resists the separation and expansion force acting on the left and right divided bodies through the attachment relationship. (2) the handle rotation shaft bearing support member is on the top;
A body frame for a motorcycle according to claim 1, which is a lower ring body, each of which is welded and fixed to an upper end portion and a lower end portion of the head pipe. (3) The handle rotation shaft bearing support member is an upper ring body and a lower ring body each having a branch piece, and by screwing each branch piece to the left and right divided bodies, the upper and A body frame for a motorcycle as claimed in claim 1, characterized in that a lower ring body is fixed to the upper and lower ends of the head pipe. (4) The handle rotation shaft bearing support member is an upper and lower ring body each having a branch piece, and the upper and lower ring bodies are welded together with the branch pieces to the left and right divided bodies. A body frame for a motorcycle as set forth in claim 1 of the utility model registration claim, characterized in that: (5) The handle rotation shaft bearing support member is a single head pipe core cylinder, and the head pipe core cylinder is fastened and fixed to the upper and lower ends of the head pipe by at least one upper and lower screw ring. Scope of claim for utility model registration No. 1
Body frames for motorcycles listed in Section 1.