Title:
MAIN STEEL STRUCTURE, STEEL STRUCTURE AND DOME SCREEN
Document Type and Number:
WIPO Patent Application WO/2023/103839
Kind Code:
A1
Abstract:
The utility model relates to the technical field of display screens, and in particular, to a main steel structure, a steel structure, and a dome screen. The main steel structure comprises a plurality of racks, each rack is formed by splicing an upper rack and a lower rack, the plurality of racks are arranged at equal intervals, and every two adjacent racks are detachably connected by means of a transverse connecting rod and a diagonal draw bar. The steel structure comprises: a main steel structure; a secondary steel structure detachably assembled on the inner circumference of the main steel structure; and a connecting plate mounting steel frame provided between the main steel structure and the secondary steel structure. The connecting plate mounting steel frame is detachably connected to the main steel structure. The dome screen comprises a steel structure. LED unit modules are mounted on the inner circumferential surface of the steel structure, and a hanging ladder can be hung on the steel structure. The technical problems in the prior art that an overall rack adopted by the main steel structure is large in size, high in integrality and not easy to disassemble and adjust are solved.
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Inventors:
ZHU BIN (CN)
JIANG LINGLING (CN)
CHEN LEI (CN)
HAN DEYU (CN)
SHEN FEI (CN)
WANG WEIQI (CN)
JIANG LINGLING (CN)
CHEN LEI (CN)
HAN DEYU (CN)
SHEN FEI (CN)
WANG WEIQI (CN)
Application Number:
PCT/CN2022/135009
Publication Date:
June 15, 2023
Filing Date:
November 29, 2022
Export Citation:
Assignee:
NANJING LOPU CO LTD (CN)
NANJING LOPU TECH CO LTD (CN)
NANJING LOPU TECH CO LTD (CN)
International Classes:
E04H3/22; G09F9/33
Foreign References:
| CN208189119U | 2018-12-04 | |||
| CN112012341A | 2020-12-01 | |||
| US20210280098A1 | 2021-09-09 | |||
| FR2689920A1 | 1993-10-15 | |||
| CN207348225U | 2018-05-11 | |||
| CN209216547U | 2019-08-06 | |||
| CN210372619U | 2020-04-21 | |||
| CN211285989U | 2020-08-18 |
Attorney, Agent or Firm:
CHANGZHOU BAIYE TENGFEI PATENT AGENCY (GENERAL PARTNERSHIP) (CN)
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