SYNCHRONOUS BELT TENSIONING STRUCTURE AND 3D PRINTER

WIPO Patent Application WO/2022/105021

A1

A synchronous belt tensioning structure. The synchronous belt tensioning structure is used for tensioning a synchronous belt (23). Two ends of the synchronous belt (23) are respectively looped around a driving wheel (22) and a driven wheel (24). The synchronous belt tensioning structure comprises a fixed frame (1), a movable frame (3) and a driving assembly (4). The driven wheel (24) is rotatably mounted on the movable frame (3). The movable frame (3) is configured to be slidable relative to the fixed frame (1). The driving assembly (4) is in transmission connection with the movable frame (3), and drives the movable frame (3) to move back and forth relative to the fixed frame (1), such that the driven wheel (24) moves away from or close to the driving wheel (22). Also provided is a 3D printer comprising the synchronous belt tensioning structure. When a synchronous belt is tensioned by means of the synchronous belt tensioning structure, the adjustable range of the synchronous belt is large. Moreover, the synchronous belt tensioning structure comprises a few parts, and is simple in structure; therefore, the cost is low.

LIU HUILIN (CN)
TANG JINGKE (CN)
CHEN CHUN (CN)
AO DANJUN (CN)
LUO XIAOWU (CN)

PCT/CN2020/140120

May 27, 2022

December 28, 2020

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SHENZHEN CREALITY 3D TECH CO LTD (CN)

B29C64/227; F16H7/14; B33Y30/00

CN207131818U	2018-03-23
CN206338377U	2017-07-18
JPS6227251U	1987-02-19
JPS6321798Y2	1988-06-15
CN206186357U	2017-05-24
CN209875872U	2019-12-31
CN109027152A	2018-12-18
CN202392062U	2012-08-22
US2874006A	1959-02-17

SHENZHEN SCIENBIZIP INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)

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