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Spring connection element

A technology of spring connection and components, which is applied in the direction of connecting components, threaded fasteners, friction clamping detachable fasteners, etc., and can solve the problem of not being able to prevent radial movement

Active Publication Date: 2016-05-04
BOLLHOFF VERBINDUNGSTECHNIK GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Another disadvantage is that this fastening clamp does not prevent radial movement of the assembly relative to the coil of wire

Method used

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Embodiment Construction

[0045] The spring connection element 1 is wound by a wire 10 with a given cross-sectional profile. The spring connection element 1 comprises a helical spring-like wire coil 20 with a helical journal 30 at a first end and a central pulling element 40 at a second end. The wire coil 20 includes a plurality of meanders 22 spaced apart from each other in the axial direction and irregularly shaped. According to the invention, the wire coil 20 preferably has a certain outer diameter d 1 . The fact that the meanders 22 are regularly or irregularly shaped leads to the fact that the different meanders 22, 23 have different outer diameters d in the preferred embodiment 1 and d 2 (See figure 1 ).

[0046] The preferred spiral pin 30 is formed from the same wire 10 as the rest of the spring connection element 1 . The spiral journal 30 is wound helically in a radial plane. Thus, the helical collar 30 has a larger outer diameter than the wire coil 20 . Furthermore, the helical collar...

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Abstract

The invention relates to a spring connection element 1, with which at least two components B1, B2 can be connected to each other via a hooking seat in at least one component opening. The spring connection element 1 is characterized by the following features: a spring-like wire coil 20 with a first and a second end, said coil comprising a plurality of axially spaced windings 22, 23; a spiral collar (30) which extends radially beyond a circumference of the wire coil 20 and is arranged on the first end of the wire coil 20; and a central traction element 40, which is arranged on the second end of the wire coil 20 so as to protrude radially into the wire coil 20, which does not extend axially beyond the wire coil 20, and by means of which the spring connection element 1 can be retracted into a component opening 52 in a substantially untwisted manner.

Description

technical field [0001] The invention relates to a spring connection element by means of which at least two components are connected to each other by means of a clamp fit and a clip fit in openings of the components. Furthermore, the invention relates to a mounting method and a dismounting method for such a spring connection element. Furthermore, the invention discloses a mounting tool for the above-mentioned spring connection element. Background technique [0002] Various connection elements are known in the prior art, wherein the connection elements connect at least two pre-punched components to each other. One method that has worked well is to insert a threaded bolt through the component opening and tighten the components to each other by threading a nut onto the threaded bolt. However, this requires access to the connection from both sides, which are not normally given. [0003] Thus, WO 2007 / 134588 A1 proposes a spring screw consisting of regularly wound wire coils wi...

Claims

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Application Information

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IPC IPC(8): F16B2/24
CPCF16B2/248B25B27/02B25B33/00F16B2/20F16B37/12
Inventor 彼得·斯塔斯尼亚历山大·沃德威斯迈克尔·凯尔
Owner BOLLHOFF VERBINDUNGSTECHNIK GMBH
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