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Square tube sealing connector

A connector and tube sealing technology, applied in the direction of electrical components, etc., can solve the problems of increasing safety hazards, increasing the difficulty of on-site construction, increasing investment, etc., and achieves the effect of excellent expansion and contraction performance

Active Publication Date: 2013-06-12
NANTONG DATONG ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Of course, this also has a certain waterproof effect, but it increases the difficulty of construction on site
while doubling the investment
Since on-site welding will generate open flames, it also increases the safety hazard of fire

Method used

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Examples

Experimental program
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Embodiment Construction

[0017] A square tube sealing connector, comprising an upper connecting piece 3 and a lower connecting piece 2. The upper connecting piece includes an upper piece and a side piece perpendicular to the upper piece. One end of the upper piece is in the form of a slope surface 6, and the slope surface is installed near the The waist-shaped hole 15 of the upper tightening bolt 12, the lower end of the side piece perpendicular to the upper piece is in the form of a sliding plate 8. The sliding plate 8 is provided with a waist-shaped hole 16 for installing the lower tightening bolt 10 on the proximal side; the lower connecting piece includes the lower piece and The vertical side piece of the lower piece, one end of the lower piece is in the form of a slope surface 9, a lower tightening bolt (or stud) 10 is arranged near the slope surface, and the upper end of the side piece perpendicular to the lower piece is in the form of a slide plate 7, which is close to the slide plate 7. A hole 1...

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Abstract

The invention discloses a square tube sealing connector. An upper connecting strap comprises an upper strap and a side strap perpendicular to the upper strip, one end of the upper strap is in the form of a slope, a waist-form hole for installing an upper tightening bolt is formed in the close side of the slope, the lower end of the side strap perpendicular to the upper strap is in the form of a sliding plate, and a waist-form hole for installing a lower tightening bolt is formed in the close side of the sliding plate. A lower connecting strap comprises a lower strap and a side strap perpendicular to the lower strap, one end of the lower strap is in the form of a slope, a hole for installing a lower tightening bolt is formed in the close side of the slope, the upper end of the side strap perpendicular to the lower strap is in the form of the sliding plate, and a hole for installing an upper tightening bolt is formed in the close side of the sliding plate. The upper connecting strap and the lower connecting strap are connected through the upper tightening bolts, the lower tightening bolts and corresponding connecting nuts. The square tube sealing connector is reasonable in structure, good in tightening and sealing performance and convenient to use.

Description

Technical field [0001] The invention relates to a square tube sealing connector. Background technique [0002] Generally speaking, in cities where subways are first built, at least the tanks of the first subway's AFC ground wiring are filled with water, and it is not uncommon for cables to be immersed in water. Subway owners and engineering units who have had experience and lessons have paid great attention to the waterproof problem of AFC ground wiring ducts and boxes. [0003] Initially, the subway AFC ground wiring system was laid using traditional ground socket slots and boxes. Since the traditional ground wiring system does not require high waterproofing, the protection level is generally within IP44. After using many domestic AFC systems, it was found that there is a large amount of groundwater in the tank box, and a considerable part of the cables are immersed in the groundwater. Of course, some cables cause damage to the outer skin during the construction process, so the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G3/06
Inventor 吴永锋
Owner NANTONG DATONG ELECTRIC
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