JPS58138822U

JPS58138822U - pulley

Info

Publication number: JPS58138822U
Application number: JP15025081U
Authority: JP
Inventors: 豊松原
Original assignee: 鍋屋工業株式会社
Priority date: 1981-10-09
Filing date: 1981-10-09
Publication date: 1983-09-19

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図〜第４図はこの考案のプーリの一実施例を示すも
のであって、第１図は平面図、第２図は回転軸に取付け
られた状態を示す断面図、第３図は押込みボルトを挿入
した状態を示す第１図におけるＡ−Ａ線断面図、第４図
は引抜きボルトを挿入した状態を示す第１図におけるＢ
−Ｂ線断面図である。第５図〜第１１図はこの考案を具
体化したいくつかの別の実施例を示すものであって、第
５図〜第９図は部分平面図、第１０図は部分断面図であ
る。プーリ本体・・・１、テーパ孔・・・３、有底孔・・・
４、　　　　゛テーパブツシュ・・・６、嵌挿孔・・・
７、雌ねじ孔・・・８、引抜き孔・・・９、割溝・・・
１２、回転軸・・・１５、引抜きボルト・・１８、バラ
ンス孔・・・１９゜Ｂ″１ｉしＧヤ”Figures 1 to 4 show one embodiment of the pulley of this invention, with Figure 1 being a plan view, Figure 2 being a cross-sectional view showing the state in which it is attached to the rotating shaft, and Figure 3 being A sectional view taken along the line A-A in Fig. 1 showing the state in which the push-in bolt is inserted, and Fig. 4 a sectional view taken along the line B in Fig. 1 showing the state in which the pull-out bolt is inserted.
-B sectional view. 5 to 11 show several other embodiments embodying this invention, in which FIGS. 5 to 9 are partial plan views, and FIG. 10 is a partial sectional view. Pulley body...1, tapered hole...3, bottomed hole...
4. Taper bush... 6. Fitting hole...
7, Female screw hole...8, Pull-out hole...9, Split groove...
12, Rotating shaft...15, Pull-out bolt...18, Balance hole...19゜B''1 i ShiGya''

Claims

[Claims for Utility Model Registration] 1. Consists of a pulley body 1 having a tapered hole 3 in the center thereof, and a taper bush 6 having a rotary shaft insertion hole 7 in the center and fitted into the tapered hole 3, A split groove 12 is provided in the taper bush 6, and a female threaded hole 8 with a substantially semicircular cross section is formed on the outer peripheral surface at a position approximately symmetrical to the split groove 12. , when the taper bush 6 is fitted to the pulley body 1 in a predetermined positional relationship, a bottomed hole 4 with a substantially semicircular cross section facing the female threaded hole 8 is formed, and the female threaded hole 8 and the A pulley in which a pull-out bolt 18 can be inserted into a pull-out hole 9 formed by a bottom hole 4 in a screwed state with a female threaded hole 8, is characterized in that a balance hole 19 is provided at a position almost symmetrical to the pull-out hole 9. Pulley. 2 Claim for utility model registration, characterized in that the balance hole 19 is a through-shape The scope of the claim for utility model registration as described in paragraph 1 3 Claim for utility model registration, characterized in that the balance holes 1 and 9 are non-through-shape Pulley as described in Range 1. 4. The pulley according to claim 2 or 3 of the utility model registration, characterized in that there are a plurality of balance holes 19. 5. The pulley according to claim 4, wherein the balance holes 19 are provided on both sides of the groove 12. 6. The pulley according to claim 2 or 3 of the utility model registration, characterized in that the balance hole 19 is of a semicircular shape provided on the main width 1 side of the pulley facing the groove 12. . 7. The pulley according to claim 2 or 3, wherein the balance hole 19 is provided on the side of the pulley body 1 corresponding to the pull-out hole 9. 8. The pulley according to claim 2 or 3, wherein the balance hole 19 is provided at the boundary between the groove 12 and the pulley body 1.