内視鏡の配管切換弁
- 专利权人:
- HOYA株式会社
- 发明人:
- 橋山 俊之
- 申请号：
- JP2007211776
- 公开号：
- JP4953977B2
- 申请日:
- 2007.08.15
- 申请国别(地区):
- JP
- 年份:
- 2012
- 代理人:
- 摘要：
PROBLEM TO BE SOLVED: To provide the piping switching valve of an endoscope with excellent durability, in which an abutting plug composed of a rubber material and directly pressed to the opening of a cylinder inner peripheral surface to close the opening is not easily worn out even when repeatedly used.
SOLUTION: In the piping switching valve of the endoscope in which the abutting plug 34 composed of an elastic rubber material and directly pressed to the opening 8b of the inner peripheral surface of a cylinder 11 to close the opening 8b is disposed inside a hole 33 with a bottom formed on the outer peripheral surface of a piston 14 disposed inside the cylinder 11 so as to be freely moved back and forth in the axial direction, the opening 8b of the inner peripheral surface of the cylinder 11 on which the abutting plug 34 is to be abutted is formed of an opening member 40 composed of the elastic rubber material.
COPYRIGHT: (C)2009,JPO&INPIT
- 来源网站：
- 中国工程科技知识中心
