JPS61148932U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案板ばねを適用する薄型直流電動
機の一例を示す縦断面図、第２図は本考案板ばね
を適用した軸受部の縦断面図、第３図は本考案板
ばねの正面図、第４図はその矢Ａ視側面図、第５
図はその加工中間工程の側面図、第６図はコンプ
ライアンスの比較曲線図、第７図は定位置予圧式
軸受の縦断面図、第８図乃至第１１図は従来の板
ばねの正面図および側面図。 １はスピンドル、２はハウジング、３・６はヨ
ーク、４はコイル、５はマグネツト、７はばね押
え、８―ａ・８―ｂはこはがり軸受、８１は内輪
、８２は外輪、Ｓは板ばね、１０は逃げ穴、１１
は環状部、１２・１３・１５は外輪保持部、１４
はばね部。 Figure 1 is a vertical cross-sectional view showing an example of a thin DC motor to which the leaf spring of the present invention is applied, Figure 2 is a vertical cross-sectional view of a bearing portion to which the leaf spring of the present invention is applied, and Figure 3 is a front view of the leaf spring of the present invention. Figure 4 is a side view as seen from arrow A, and Figure 5 is a side view of the arrow A.
The figure is a side view of an intermediate process in the process, Figure 6 is a comparison curve diagram of compliance, Figure 7 is a vertical cross-sectional view of a fixed position preload type bearing, and Figures 8 to 11 are front views and views of a conventional leaf spring. Side view. 1 is the spindle, 2 is the housing, 3 and 6 are the yokes, 4 is the coil, 5 is the magnet, 7 is the spring holder, 8-a and 8-b are the amber bearings, 81 is the inner ring, 82 is the outer ring, and S is the outer ring. Leaf spring, 10 is escape hole, 11
is the annular part, 12, 13, 15 are the outer ring holding parts, 14
Spring part.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 中央にスピンドル軸並びにころがり軸受の内輪
の逃げ穴を設けた環状部から放射状に隣り合つて
軸受の外輪保持部を円周上等分位置に複数個設け
、その一方の外輪保持部の端部から他方の外輪保
持部の方に環状部と同心状にばね部を延長させ、
そのばね部を環状部の板面に対し斜上方に傾斜さ
せ、その端部を上記板面と平行平面に形成して相
手方ころがり軸受の外輪保持部を形成した板ばね
。 A plurality of outer ring holding parts of the bearing are provided at equal positions on the circumference radially adjacent to each other radially from an annular part with a relief hole for the spindle shaft and the inner ring of the rolling bearing in the center, and from the end of one of the outer ring holding parts. Extend the spring part concentrically with the annular part toward the other outer ring holding part,
A leaf spring whose spring portion is inclined obliquely upward with respect to the plate surface of the annular portion, and whose end portion is formed into a plane parallel to the plate surface to form an outer ring holding portion of a mating rolling bearing.