Title:
MULTIFUNCTIONAL DRAWING DEVICE FOR MATHEMATICAL TEACHING
Document Type and Number:
WIPO Patent Application WO/2021/000352
Kind Code:
A1
Abstract:
Disclosed is a multifunctional drawing device for mathematical teaching, relating to the related filed of drawing devices and aimed at solving the problem in the prior art that a user cannot perform wiping without being in direct contact with a wiping block and cannot perform curve drawing in a standard manner. A connecting block (2) is arranged on a side of the lower end of a bottom plate (1), the lower end of the connecting block (2) is provided with a bearing (3), the lower end of the bearing (3) is provided with a wheel shell (4), a universal wheel (5) is arranged inside the wheel shell (4), a sucker (6) is arranged on a side of the upper end of the bottom plate (1), the upper end of the sucker (6) is provided with an XTL500 electric telescopic rod (7), the upper end of the XTL500 electric telescopic rod (7) is provided with a panel (8), a gear channel (9) is arranged inside the panel (8), a gear (10) is arranged inside the gear channel (9), the front end of the gear (10) is provided with a cleaning block (12), and the front end of the cleaning block (12) is provided with a scale plate (11).
Inventors:
ZHOU JUN (CN)
Application Number:
PCT/CN2019/096557
Publication Date:
January 07, 2021
Filing Date:
July 18, 2019
Export Citation:
Assignee:
SUZHOU DESIMIER SMART TECH CO LTD (CN)
International Classes:
B43L1/00
Foreign References:
| CN110217024A | 2019-09-10 | |||
| CN208277705U | 2018-12-25 | |||
| CN107891689A | 2018-04-10 | |||
| CN206501610U | 2017-09-19 | |||
| CN206733889U | 2017-12-12 | |||
| JPS63194998A | 1988-08-12 |
Attorney, Agent or Firm:
SUZHOU ZHOUZHI PATENT AGENCY (CN)
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