Antitheft self-tapping screw

A self-tapping screw and self-tapping thread technology, which is applied in the direction of screws, nuts, bolts, etc., can solve the problem of difficulty in disassembling reinforced screws

Inactive Publication Date: 2014-10-08
唐侠
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in some occasions, in order to meet certain anti-theft requirements for machines and equipment, it is

Method used

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  • Antitheft self-tapping screw

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Embodiment Construction

[0010] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.

[0011] Any feature disclosed in this specification, unless specifically stated, can be replaced by other alternative features that are equivalent or have similar purposes. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.

[0012] Such as figure 1 An anti-theft self-tapping screw shown, the anti-theft self-tapping screw includes a nut 1, a stud 2 and a pointed head 3, the nut 1 is provided with a cross groove 11, and the stud 2 A self-tapping thread 21 is provided, and the nut 1 and the stud 2 are connected through several connecting pieces 4 .

[0013] As a further improvement of this embodiment, the number of the connecting pieces 4 is 3-6.

[0014] As another improvement of this embodiment, the anti-theft self-tapp...

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PUM

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Abstract

The invention discloses an antitheft self-tapping screw. The antitheft self-tapping screw comprises a nut, a stud and a sharp head. The nut is provided with a cross-shaped groove, a self-tapping thread is arranged on the stud, the nut and the stud are connected through a plurality of connecting pieces, and the number of the connecting pieces is three to six. When the antitheft self-tapping screw is used, a slot type screwdriver or a cross screwdriver is used for screwing the cross-shaped groove in the nut, and the sharp head and the stud are screwed into an object to be fastened; after the fastening process is achieved, external force is applied to enable the nut and the connecting pieces to be disengaged from the stud, and an antitheft effect is achieved.

Description

technical field [0001] The invention relates to the technical field of screws, in particular to an anti-theft self-tapping screw. Background technique [0002] Screws are common fasteners in daily life and industrial production and manufacturing. They are widely used. The product specifications have been serialized and standardized. Special tools can be used for their installation and removal. Yet in some occasions, in order to make machines, equipment etc. reach certain anti-theft requirements, while being easy to install, it is also necessary to strengthen the dismounting difficulty of its fasteners such as screws. Contents of the invention [0003] In order to solve the above problems, the present invention provides an anti-theft self-tapping screw, which can meet the requirements of convenient installation and difficult disassembly. The technical solution adopted is: an anti-theft self-tapping screw, which includes a nut, a screw A column and a pointed head, the nut i...

Claims

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Application Information

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IPC IPC(8): F16B41/00F16B25/02
Inventor 唐侠
Owner 唐侠
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