Title:
BELT TIGHTNESS DEVICE AND BELT TRANSMISSION MECHANISM
Document Type and Number:
WIPO Patent Application WO/2022/142958
Kind Code:
A1
Abstract:
A belt tightness device (100), comprising: a housing (1), a U-shaped piece (2) accommodated in the housing (1), a first roller (3) provided in the U-shaped piece (2), and a driving mechanism (4) located between the first roller (3) and the bottom of the U-shaped piece (2). The inner side of the housing (1) is provided with a limiting recess (11); a side wall of the U-shaped piece (2) is fastened in the limiting recess (11); the U-shaped piece (2) comprises a first side wall and a second side wall; the first side wall is provided with a first through hole (21); the second side wall is provided with a second through hole (22); the two ends of the first roller (3) pass through the first through hole (21) and the second through hole (22), respectively; the driving mechanism (4) is connected to the housing (1); the driving mechanism (4) can drive the U-shaped piece (2) to move back and forth along the length direction of the limiting recess (11), so as to drive the first roller (3) to move back and forth along the length direction of the limiting recess (11), so that the tightness of a belt can be conveniently adjusted by such back-and-forth movement. In addition, the application also relates to a belt transmission mechanism comprising the belt tightness device (100).
Inventors:
WANG JINGJIE (CN)
ZHOU CHENGLI (CN)
ZHOU CHENGLI (CN)
Application Number:
PCT/CN2021/134253
Publication Date:
July 07, 2022
Filing Date:
November 30, 2021
Export Citation:
Assignee:
SHENZHEN ANYCUBIC TECH CO LTD (CN)
International Classes:
F16H7/10
Domestic Patent References:
| WO2004018279A1 | 2004-03-04 |
Foreign References:
| CN214171247U | 2021-09-10 | |||
| CN208151620U | 2018-11-27 | |||
| CN207420715U | 2018-05-29 | |||
| IT1140015B | 1986-09-24 | |||
| GB924114A | 1963-04-24 |
Attorney, Agent or Firm:
SHENZHEN WINSTON PATENT ATTORNEYS (CN)
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