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self-tapping screw

A self-tapping screw and thread technology, which is applied in the direction of screws, threaded fasteners, connecting components, etc., can solve the problem of single function and achieve the effect of increasing function and application range

Active Publication Date: 2022-03-11
浙江全友标准件股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The current self-tapping screws are usually self-drilling and self-tapping screws, that is, prefabricated holes can be processed on the surface of the product to be fixed, or no prefabricated holes can be processed, and the end of the self-tapping screw is directly nailed into the product to a certain depth and then directly screwed. Just turn the self-tapping screw. The current self-tapping screw can only achieve the function of locking and fixing, and its function is relatively simple.

Method used

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Examples

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Embodiment Construction

[0024] refer to Figure 1 to Figure 7 The embodiment of the self-tapping screw of the present invention will be further described.

[0025] In the description of the present invention, it should be noted that for orientation words, such as the term "center", "horizontal (X)", "longitudinal (Y)", "vertical (Z)", "length", " Width", "Thickness", "Top", "Bottom", "Front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner ", "outside", "clockwise", "counterclockwise" and other indication orientations and positional relationships are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the Means that a device or element must have a specific orientation, be constructed and operated in a specific orientation should not be construed as limiting the specific protection scope of the present invention.

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PUM

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Abstract

The invention discloses a self-tapping screw, comprising a head, a rod and a rod end, the rod and the rod end are both provided with a first thread, the screw is provided with a threading hole, and the threading hole penetrates the head, the rod The part and the end of the rod part communicate with the outside world, the invention can not only realize self-tapping to fix the product, but also can realize threading, no need to open additional holes in other parts of the product, and enrich the screw function.

Description

technical field [0001] The invention belongs to the field of screws, and more specifically relates to a self-tapping screw. Background technique [0002] Self-tapping screw is a kind of threaded fastener that taps and drills the mating female thread in the pre-drilled hole of metal or non-metallic material. It features a high-tensile, one-piece, one-sided combination. Self-tapping screws are mostly used for the connection between thin metal plates (steel plates, saw boards, etc.). When connecting, first make a threaded bottom hole for the connected part, and then screw the self-tapping screw into the threaded bottom hole of the connected part. Since the thread surface of the self-tapping screw has a high hardness (≥45HRC), the internal thread can be tapped in the threaded bottom hole of the connected part to form a connection. [0003] The current self-tapping screws are usually self-drilling and self-tapping screws, that is, prefabricated holes can be processed on the su...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16B25/10F16B25/00
CPCF16B25/10F16B25/0094F16B25/0015
Inventor 陈耀东艾钧云严浩叶辉潘金鑫
Owner 浙江全友标准件股份有限公司
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