JPH03319U - - Google Patents

Description

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

第１図乃至第３図は本考案の一実施例を示し、
第１図は車輪の正面図、第２図は同断面図、第３
図は止輪の正面図である。第４図乃至第７図は夫
々他の実施例を示す断面図である。第８図は従来
例を示す断面図である。 １２…車輪本体、１３…止輪、１７…車軸、１
８…軸挿入孔、２３…挿孔、２４…切込み、２５
…周溝、３３…ペダル軸、３４…ペダル本体。 1 to 3 show an embodiment of the present invention,
Figure 1 is a front view of the wheel, Figure 2 is a sectional view of the same, and Figure 3 is a front view of the wheel.
The figure is a front view of the retaining ring. FIGS. 4 to 7 are sectional views showing other embodiments. FIG. 8 is a sectional view showing a conventional example. 12...wheel body, 13...retaining ring, 17...axle, 1
8... Shaft insertion hole, 23... Insertion hole, 24... Notch, 25
...Peripheral groove, 33...Pedal shaft, 34...Pedal body.

Claims (1)

【実用新案登録請求の範囲】 軸１７，３３が挿通される軸挿入孔１８を有す
る軸受部材１２，３４と、軸１７，３３が挿通さ
れる通孔２３を有する板状の止輪１３とを備え、 止輪１３の内周部に、軸１７，３３に対して軸
方向摺動可能になりかつ軸１７，３３の周溝２５
に係合して前記軸方向の摺動を規制するように、
複数の切込み２４が放射状に設けられ、 前記軸受部材１２，３４は、軸方向中途部で止
輪１３の内周縁部が軸挿入孔１８に環状に突出す
るように止輪１３をインサートして、成形して成
ることを特徴とする軸受構造。[Claims for Utility Model Registration] A bearing member 12, 34 having a shaft insertion hole 18 through which the shaft 17, 33 is inserted, and a plate-shaped retaining ring 13 having a through hole 23 through which the shaft 17, 33 is inserted. A circumferential groove 25 of the shafts 17, 33 is provided on the inner circumference of the retaining ring 13 so that the retaining ring 13 can be slid in the axial direction with respect to the shafts 17, 33.
so as to engage with and restrict sliding in the axial direction;
A plurality of notches 24 are provided radially, and the retaining ring 13 is inserted in the bearing members 12 and 34 so that the inner circumferential edge of the retaining ring 13 protrudes annularly into the shaft insertion hole 18 at an axial midway point. A bearing structure characterized by being formed by molding.