Title:
PROTECTION APPARATUS FOR BALL-SCREW NUT PAIR
Document Type and Number:
WIPO Patent Application WO/2015/074533
Kind Code:
A1
Abstract:
A protection apparatus for a ball-screw nut pair comprises a fixed sealing piece (1) and a moving sealing piece (4). An opening is provided at a surface of the fixed sealing piece (1). An accommodation space capable of accommodating a ball-screw nut pair is provided in the opening. The moving sealing piece (4) and the opening of the fixed sealing piece (1) are connected in a sealed manner. A strip moving switch (401) is further provided at the moving sealing piece (4) along an axial direction of the ball screw (2). When a nut (3) sealed in the ball screw nut pair protection apparatus moves along an axial direction of the ball screw (2), the strip moving switch (401) may be turned on by means of a member such as a connecting piece (5), so as to drive an external means to move. The apparatus can effectively prevent a ball-screw nut pair from external pollution, has a simple structure, and is easy to implement.
Inventors:
YANG MINMIN (CN)
Application Number:
PCT/CN2014/091384
Publication Date:
May 28, 2015
Filing Date:
November 18, 2014
Export Citation:
Assignee:
SUZHOU ECOVACS COMMERCIAL ROBOT CO LTD (CN)
International Classes:
F16H25/24
Foreign References:
| CN201090699Y | 2008-07-23 | |||
| CN203614688U | 2014-05-28 | |||
| CN102713354A | 2012-10-03 | |||
| CN2259484Y | 1997-08-13 | |||
| CN201880731U | 2011-06-29 | |||
| DE4322540A1 | 1994-01-13 |
Attorney, Agent or Firm:
BEIJING SUNHOPE INTELLECTUAL PROPERTY LTD. (CN)
北京信慧永光知识产权代理有限责任公司 (CN)
北京信慧永光知识产权代理有限责任公司 (CN)
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