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External screwing combined thread piece for fabricated structure

A technology for assembling structures and threaded parts, applied in structural elements, building components, building reinforcements, etc., can solve the problems of difficult joints to be completely sealed, long-term tightness is difficult to ensure, etc., to ensure tightness and waterproof performance, large tightening. Torque, the effect of broad application prospects

Pending Publication Date: 2019-06-07
SHANGHAI YIPINLILIAN CONSTR TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Another important issue in prefabricated assembly structures is the sealing of the seams. The existing prefabricated assembly technology is difficult to ensure the complete sealing of the seams, especially the long-term sealing.

Method used

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  • External screwing combined thread piece for fabricated structure
  • External screwing combined thread piece for fabricated structure
  • External screwing combined thread piece for fabricated structure

Examples

Experimental program
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Effect test

Embodiment Construction

[0040] An external tightening threaded part for assembly structure, realizing the rotation and tightening of threaded parts in extremely small spaces and concealed areas, including the main part of the threaded part (1), the flexible tension part (2), and the fixed part of the flexible tension part (3) , a temporary protective cover (4), a flexible pulling end (5) and a preset channel (6).

[0041] Such as Figure 1~Figure 2 As shown, grooves (7) are set on the outer side of the main threaded part (1), one end of the flexible tensile part (2) is anchored to the outer side of the main threaded part (1) with a set screw (3), and the other end of the flexible tensile part (2) After being wound in the groove (7) of the main screw part (1), the concealed area is led out, and the temporary protective cover (4) temporarily constrains the flexible tension member (2) outside the main screw part (1).

[0042] Such as Figure 1~Figure 2 As shown, in some embodiments, the flexible tensi...

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Abstract

The invention discloses an external screwing combined thread piece for a fabricated structure. The external screwing combined thread piece comprises at least a thread piece main piece and a flexible tension piece; the flexible tension piece comprises a flexible tension piece fixing piece and a flexible tension piece traction end; grooves are formed in the outer side of the thread piece main piece,the flexible tension piece fixing piece fixes the flexible tension piece to the thread piece main piece in an anchoring mode, and the flexible tension piece winds in the grooves on the outer side ofthe thread piece main piece and then guides out of a narrow space or a concealed area through a preset passage; and the flexible tension piece traction end is subjected to traction on the outer part,the flexible tension piece rotates the thread piece main piece through the force transferring action of the flexible tension piece fixing piece, and the effect of screwing or loosening the thread piece main piece is realized. Screwing of the external screwing thread piece for the fabricated structure only needs an extremely small space, the problem of screwing of the connecting thread piece of thesmall space and the concealed space of the fabricated space is solved, the external screwing thread piece can be used in connecting and anchoring of the thread piece of a small space or a concealed space of other fields, and the application range of connecting and fastening of the thread piece is greatly expanded, and the application prospects are very broad.

Description

technical field [0001] The invention relates to the technical field of assembled structures, in particular to an externally tightened combined threaded part for assembled structures. technical background [0002] With the upgrading and development of the national economy, prefabricated assembled structures have gradually become an important development strategy of the country, especially in large cities and megacities, where environmental requirements make prefabricated assembled structures an urgent market demand; In other structural fields such as prefabricated bridges and tunnels, there are still many controversies about the connection method of steel bars as the main force-bearing components. For example, the most commonly used grouting sleeve connection method has shortcomings such as strict construction requirements and lack of effective detection methods. It has been controversial in the industry. [0003] Another solution for the connection of steel bars and other s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04C5/16
Inventor 郭卓明
Owner SHANGHAI YIPINLILIAN CONSTR TECH CO LTD
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