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Embedded nut for connecting overlapping elements

A technology of pre-embedded nuts and lap joints, applied in the direction of connecting components, nuts, threaded fasteners, etc., can solve the problems of inability to use bolts and nuts, safety, unsuitable space for tightening operations, connections, etc., to achieve safety and efficiency Installation work, high work efficiency, and wide application range

Inactive Publication Date: 2010-06-30
HARBIN TOPFRP COMPOSITE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem that bolts and nuts cannot be used for connection when one side of the lap joint is not suitable for tightening operations due to factors such as safety and space, the present invention further provides a pre-embedded nut for connecting the lap joint

Method used

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  • Embedded nut for connecting overlapping elements
  • Embedded nut for connecting overlapping elements
  • Embedded nut for connecting overlapping elements

Examples

Experimental program
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Effect test

specific Embodiment approach 1

[0009] Specific implementation mode one: as figure 1 As shown, the pre-embedded nut used to connect the bridge piece in this embodiment is composed of a nut 1, a nut body 2 and a locking flange 3, and the nut 1, the nut body 2 and the locking flange 3 are along the axis The direction is fixed in sequence, the inside of the nut 1 is provided with a threaded blind hole 1-1 along the axis direction, and the inside of the nut body 2 is provided with a first threaded through hole 2-1 along the axis direction. The blind hole 1-1 is coaxial with the first threaded through hole 2-1, the threaded blind hole 1-1 communicates with the first threaded through hole 2-1 and the diameter of the threaded hole is equal, and the lateral diameter of the locking edge 3 The section is circular, and the diameter of the locking edge 3 is larger than the diameter of the first threaded through hole 2-1. The nut 1 is provided with a threaded blind hole 1-1, which avoids the exposure of the bolt hole an...

specific Embodiment approach 2

[0010] Specific implementation mode two: as figure 1 As shown, the outer surface of the nut body 2 in this embodiment is provided with a plurality of anti-rotation grooves 2-2 along the axial direction. With this design, the nut body 2 is in interference fit with the mounting hole during installation, preventing the embedded nut from rotating together with the bolt when the bolt is tightened. Other components and connections are the same as those in the first embodiment.

specific Embodiment approach 3

[0011] Specific implementation mode three: as figure 1 As shown, the cross section of the nut 1 in this embodiment is a regular hexagon. With such a design, a wrench can be used to fix the embedded nut when the anti-rotation groove 2-2 fails, so as to prevent the embedded nut from rotating. Other compositions and connections are the same as those in Embodiment 1 or 2.

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Abstract

The invention discloses an embedded nut for connecting overlapping elements, which relates to an embedded nut. The invention solves the problem that one side of the overlapping element is not suitable for screwing operation due to the factors of safety, space and the like, therefore, bolts and nuts can not be used for connecting the overlapping elements. The invention has the first scheme that the interior of a cap is provided with a thread blind hole in the axis direction; the interior of the nut main body is provided with a first thread through hole in the axis direction; the thread blind hole is communicated with the first thread through hole, and has the same hole diameter with the first thread through hole; and the cross section of the locking overlapping edge is in a circle shape. The invention has the second scheme that the interior of the cap is provided with a second thread through hole in the axis direction; the interior of the nut main body is provided with a third thread through hole in the axis direction; the second thread through hole is communicated with the third thread through hole, and has the same hole diameter with the third thread through hole; and the cross section of the locking overlapping edge is in a circle shape. The invention is fixed on the overlapping elements to be connected in advance, and the two overlapping elements can be quickly overlapped and connected through using bolts on one side of the overlapping element by operators.

Description

technical field [0001] The invention relates to a pre-embedded nut. Background technique [0002] At present, when connecting the lap joints, it is necessary to tighten the bolts and nuts with tools such as wrenches on both sides of the lap joints at the same time. However, when one side of the lap joints is not suitable for tightening due to safety, space and other factors, it is Connections with bolts and nuts are not possible. Contents of the invention [0003] In order to solve the problem that bolts and nuts cannot be used for connection when one side of the lap joint is not suitable for tightening operations due to factors such as safety and space, the present invention further provides a pre-embedded nut for connecting the lap joint. [0004] The technical scheme that the present invention takes for solving the problems of the technologies described above is: [0005] Technical Solution 1: A pre-embedded nut used to connect lap joints is composed of a nut, a nut b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B37/00
Inventor 孙宝华林敏王贵军唐亮于福斌梅延宁
Owner HARBIN TOPFRP COMPOSITE
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