JPS588686U - Assembly structure of bicycle headset - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

Fig. 1 is a sectional view showing an embodiment of the present invention, Fig. 2 is a side view, Figs. FIG. 6 is a sectional view showing a conventional example. 1...Head pipe, 4. Two-piece Hawk stem,
8... Spiral shaft portion, 23... Upper bowl, 24
...Press upper range, 25...Steel ball group, 26
...Tune head washer, 27.Tune lock spacer, 28.
・Open bag nut, 31...Curved annular space.

Claims (1)

[Claims for Utility Model Registration] (1) At the same time as fixing the upper bowl 23 to the upper end of the head pipe 1 and screwing the clay pusher 24 to the screw shaft 8 of the Hawk stem 4, or At the same time, an upper bowl is screwed onto the screw shaft 8 of the Hawk stem 4, and a plurality of steel ball groups 25 are interposed between the brush bowl 23 and the clay pusher 24. constitutes a bearing,
- Further, in the upper assembly structure of the bicycle bed set in which the cap nut 28 is screwed to the screw shaft portion 8 via the head washer 26, or only the cap nut 2B is screwed, the lower inner peripheral portion of the cap nut 28 or /And by forming an annular space 31 on the inner periphery of the upper part of the upper bowl 23 or the clay press fixed to the upper end of the head pipe 1, and arranging the lock spacer 27 in the space 31 in a tight-fitting manner. A structure for assembling a rad set to a bicycle, characterized in that elastic force is accumulated in the lock spacer 27 when the cap nut 28 is screwed, and this elasticity prevents the cap nut 28 from loosening. (2) The assembly structure according to claim 51, which is a registered utility model, in which an upper bowl 23 is fixed to the upper end of the head pipe 1, and a clay pusher 24 is screwed to the screw shaft portion 8. (3) fixing a clay pusher to the upper end of the head pipe;
The assembly structure according to claim 1, wherein an upper cup is screwed onto the screw shaft portion. (4) An assembly structure according to claim 1 or 2, wherein the annular space 31 is provided in either the cap nut 2B or the clay press 24. (5) The assembly structure according to claim 1 or 2, wherein the annular space portion 31 is provided in both the cap nut 28 and the clay press 24. =16) The assembly structure according to claim 1 or 3, wherein the annular space portion is installed squarely in either the cap nut or the upper cup.゛(
7) Utility model registration claim 1 or 3, in which the annular space portion is provided in both the cap nut and the upper cup.
The assembly structure described in section. (8) Utility model registration in which the annular space 31 is formed by providing a slope wall 30 whose diameter expands downward at the lower inner peripheral portion of the cap nut 28. Assembly structure described. (9) Utility model registration claims 1, 2 and 2, in which the annular space 31 is formed by providing an oblique wall whose diameter expands upward in the upper inner circumference of the clay press 24. The assembly structure described in item 4 or 5. (10) Utility model registration Claims 1, 3, 6 or 7, in which the annular space is formed by providing an upwardly expanding diagonal wall on the upper inner periphery of the upper cup. Assembly structure described in item 7. (11) Connect the lock spacer 27 to the cap nut 28,
The structure according to any one of claims 1 to 10 of the utility model registration claim, which is formed of a material softer than either the upper bowl 23 or the clay press 24. (12) The structure according to any one of claims 1 to 10, wherein the lock spacer 27 is formed of resin.