The invention provides a transmission gear mounting structure capable of improving mounting performance. In the transmission gear mounting structure (S), a gear accommodating part (40) for accommodating a transmission gear (50) is arranged in a shell (24), and the gear accommodating part (40) is formed into a concave shape which is opened towards the orthogonal direction (upper side or lower side) of the axial direction (front-back direction) of the transmission gear (50). A front wall (41) of the gear accommodating part (40) is provided with a supporting part (45) which can elastically deform in the front-back direction, and the supporting part (45) is provided with a supporting hole (45A) which rotatably supports a front end part (52A) of the gear shaft part (52). Furthermore, a rear-side guide groove (47) that opens in the orthogonal direction (upper or lower) is formed in the rear wall (42) of the gear housing section (40), and the rear end (52B) of the gear shaft section (52) is inserted through the rear-side guide groove (47).
本发明提供一种提高安装性的传动齿轮安装构造。在传动齿轮安装构造(S)中,容纳传动齿轮(50)的齿轮容纳部(40)设于壳体(24),齿轮容纳部(40)形成为向传动齿轮(50)的轴向(前后方向)的正交方向(上侧或下侧)开放的凹状。在齿轮容纳部(40)的前壁(41)形成有被配置为能在前后方向上发生弹性变形的支承部(45),在支承部(45)形成有将齿轮轴部(52)的前端部(52A)支承为能旋转的支承孔(45A)。此外,在齿轮容纳部(40)的后壁(42)形成有向正交方向(上侧或下侧)开放的后侧引导槽(47),齿轮轴部(52)的后端部(52B)插通于后侧引导槽(47)。
Transmission gear mounting structure
传动齿轮安装构造
2024-01-30
Patent
Electronic Resource
Chinese
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