Title:
CUTTING TOOL
Document Type and Number:
WIPO Patent Application WO/2022/142429
Kind Code:
A1
Abstract:
Provided is a cutting tool, comprising a cutting part (1) and a shaft part (14); the shaft part (14) is internally provided with a telescoping apparatus; the telescoping apparatus is connected to the cutting part (1); the telescoping apparatus can control the cutting part (1) to extend out or retract into the shaft part (14). The shaft part (14) is internally provided with an accommodating cavity (5); the bottom of the accommodating cavity (5) is provided with a flexible position-limiting block (6); the left and right sides of the accommodating cavity (5) are provided with a slide grooves; fixing openings (7) are disposed at the connection between the slide groove and the flexible position-limiting block (6) and at the top of the slide groove; the contact end of the two sides of the bottom of the cutting part (1) and the slide groove is provided with a snap piece (8); the snap piece (8) can snap into the fixing opening (7) to fix the position of the cutting part (1). The outer side of the shaft part (14) is provided with a motion groove (9); the motion groove (9) is provided with a button (10) connected to the cutting part (1); the button (10) is connected to a crossbar (11) arranged on the inner side of the cutting part (1); the crossbar (11) is connected to a spring (12); the spring (12) is connected to the snap piece (8); by means of the spring (12), the button (10) controls the position of the snap piece (8) and also controls the position of the cutting part (1). The cutting tool solves problems in the prior art such as low machining accuracy and short service life.
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Inventors:
SHAO JIANDI (CN)
Application Number:
PCT/CN2021/115861
Publication Date:
July 07, 2022
Filing Date:
September 01, 2021
Export Citation:
Assignee:
LIFENG PREC TOOLS ZHEJIANG CO LTD (CN)
International Classes:
B23B29/12; B23B27/14
Foreign References:
| CN207464218U | 2018-06-08 | |||
| CN108339992A | 2018-07-31 | |||
| CN108581576A | 2018-09-28 | |||
| CN212146544U | 2020-12-15 | |||
| CN205270894U | 2016-06-01 | |||
| JP2008272845A | 2008-11-13 |
Attorney, Agent or Firm:
BEIJING SHENGFANZHIRONG INTELLECTUAL PROPERTY AGENCY CO. LTD (CN)
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