Title:
DOUBLE-HOOK-TYPE MANUALLY BUTT-JOINTED STEEL STRUCTURE FRAMEWORK
Document Type and Number:
WIPO Patent Application WO/2022/261795
Kind Code:
A1
Abstract:
A double-hook-type manually butt-jointed steel structure framework, which is mainly composed of steel tubes (1), well-shaped connecting blocks (2), single-tube connecting blocks (3) and sphere connecting blocks (4). The double-hook-type manually butt-jointed steel structure framework is characterized in that: there are double-hook joints (5) at two ends of the steel tube (1); each force application point of the well-shaped connecting block, the single-tube connecting block and the sphere connecting block is also a double-hook joint (5) corresponding to the double-hook joints (5) of the steel tube at the two ends; and two double-hook joints (5) and one sleeve (6) are referred to as a "double-hook butt-joint device", wherein the two pairs of double hooks are completely identical and consistent in terms of form and dimension standards, and same each have a pair of opposite semi-circular double hooks at the top end, and have, in the middle, a semi-circular square rod connected to a round bar; after being combined, the two pairs of double hooks fit completely flush with each other to constitute a round bar; and the diameter of an inner circle of the sleeve (6) is the same as that of an outer circle of the round bar, and the sleeve (6) completely matches the round bar in terms of shape and is tightly sleeved thereon.
Inventors:
MA KESHUANG (CN)
Application Number:
PCT/CN2021/000120
Publication Date:
December 22, 2022
Filing Date:
June 15, 2021
Export Citation:
Assignee:
MA KESHUANG (CN)
International Classes:
E04B1/19
Foreign References:
| CN113494130A | 2021-10-12 | |||
| CN113073734A | 2021-07-06 | |||
| CN201495760U | 2010-06-02 | |||
| CN201372986Y | 2009-12-30 | |||
| CN101479485A | 2009-07-08 | |||
| CN213329404U | 2021-06-01 | |||
| EP0292415A1 | 1988-11-23 | |||
| EP0292254A2 | 1988-11-23 | |||
| US6887009B1 | 2005-05-03 |
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