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Wire thread insert

A technology of wire threaded inserts and threaded inserts, which can be used in the direction of screws, nuts, threaded fasteners, etc., and can solve the problems of time-consuming, labor-intensive, etc.

Active Publication Date: 2022-04-22
BOLLHOFF VERBINDUNGSTECHNIK GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

From the measures of connection between the tapered wire thread insert and the thread of the tapered bolt as described above, it is clear that this type of thread armoring is time-consuming and labor-intensive

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0057] figure 1 A perspective view of a wire thread insert 1 arranged on a bolt 50 with a bolt thread 52 is shown. The wire screw insert 1 comprises a plurality of helically wound coils 10 , 12 , 14 forming a body 20 of the wire screw insert 1 . At the same time, the central axis M of the wire thread insert 1 defines the installation direction R I , the wire thread insert is screwed or installed on the bolt thread 52 of the bolt 50 along this direction.

[0058] When along the installation direction R I When viewed, the main body 20 of the wire thread insert 1 is enlarged. Accordingly, the body 20 has a conical shape, in particular a frusto-conical shape. The diameter of the coils 10, 12, 14 is along the installation direction R I increase. Thus, a cone angle α is enclosed between the central axis M and the outer side surface 16 of the main body 20 . The angle is preferably in the range of 1°≤α≤25°, more preferably in the range of 2°≤α≤15°, and further preferably in the...

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PUM

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Abstract

The invention relates to a wire thread insert (1), comprising a main body comprising a plurality of coils (10, 12, 14) wound in a helical manner, wherein the plurality of coils (10, 14) wound in a helical manner 12, 14) having a first end coil (30) and a second end coil (40) defining said body at opposite axial ends, said first end coil (30) being at a first end has a first integral form-fitting means (32) in the upper section, and said second end coil (40) has a second integral form-fitting means (42) in the second end section, such that In the installed state of the wire threaded insert (1), a positively engaging, form-fitting connection with an adjacent component structure can be established by means of first and second integral form-fitting means (32, 42), respectively.

Description

technical field [0001] The invention relates to a wire thread insert attachable to a bolt thread or a nut thread by means of a positive fit connection. Furthermore, the invention relates to a threaded bolt and a threaded opening with such a wire thread insert. Furthermore, the invention relates to a method for mounting and dismounting such wire thread inserts in bolt threads and nut threads. Background technique [0002] Existing threaded inserts in the form of helically wound steel wire or threaded inserts are used to reinforce the receiving threads of components made of relatively low strength materials. For this purpose, the threaded-armouring element is installed in the receiving thread, after which a screw can be screwed into the threaded-armouring element. The entire assembly therefore requires two operations, on the one hand inserting the threaded-armoring element into the receiving thread and on the other hand inserting the screw into the assembled threaded-armorin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B25B27/14F16B25/00F16B37/12
CPCB25B27/143F16B25/0005F16B37/12B21F17/00F16B37/122
Inventor 迈克尔·施通普夫马塞尔·珀里奥特奥多尔·温尼格斯克劳斯-弗里德里希·格鲁贝特阿列克谢·布托夫安娜-卡塔琳娜·施赖纳
Owner BOLLHOFF VERBINDUNGSTECHNIK GMBH