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Manufacturing method of double-thread fastener

A technology of double-thread thread and manufacturing method, which is applied to threaded fasteners, manufacturing tools, screws, etc., can solve the problems of high loss cost of assembly and disassembly tools, low assembly and disassembly efficiency, and easy failure, and shorten assembly and disassembly time. , Improve work efficiency and prolong service life

Active Publication Date: 2013-07-31
贾灯喜
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, since the fastener acts on the fastened parts for a long time, it will be worn and deformed, and it is prone to failure, and some of them will be difficult to disassemble after screwing.
In addition, the existing standard threaded fasteners are all single-threaded threads, the assembly and disassembly efficiency is low, and more assembly and disassembly time and labor will be consumed during use, and the loss cost of the corresponding assembly and disassembly tools is relatively high

Method used

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  • Manufacturing method of double-thread fastener
  • Manufacturing method of double-thread fastener
  • Manufacturing method of double-thread fastener

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Embodiment Construction

[0038] The present invention will be further described below in conjunction with accompanying drawing of description:

[0039] The invention improves the common standard threaded fastener into a double threaded thread structure. This embodiment is described in detail with the double thread structure of the bolt 1 and the nut 2 .

[0040] Such as figure 1 , figure 2 , image 3 As shown, the bolt 1 and the nut 2 of the present invention include a fastener body with a threaded portion 6, the threaded portion 6 has a double thread structure, the threaded portion 6 of the bolt 1 is composed of double threads 1a, 1b, and the nut 2 The threaded portion 6 is composed of double threads 2a, 2b, the two threads are evenly distributed alternately, and the thread diameter and pitch are the same, and the start and end ends of the two threads are located on the same cross section.

[0041] In the present invention, the threaded portion 6 has a thread diameter of M2-M20 and a thread pitc...

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Abstract

The invention relates to a double-ended threaded fastener, a method for manufacturing the same and a special tool, which belong to the technical field of hardware tools and overcome the defects of low efficiency of mounting and demounting, short service life and high use and maintenance cost in the prior art. The double-ended threaded fastener refers to a bolt and a nut, and is characterized by comprising a fastener main body provided with a threaded part, wherein the threaded part has a double-line thread structure, two threads are evenly distributed alternating with each other, and the thread diameter and the thread distance are same. The manufacturing method comprises the following steps: (I) manufacturing a core rod; (II) manufacturing a screw plate; (III) manufacturing a screw tap; and (IV) producing the double-ended threaded fastener on a machine tool for making the fastener by using the screw plate and the screw tap. The double-ended threaded fastener produced by a novel manufacturing method has a double-line thread structure, thus the mounting and demounting time is reduced, the strength is increased, the working efficiency is improved, the service life is prolonged, and the cost is greatly saved.

Description

technical field [0001] The invention belongs to the technical field of hardware tools, and in particular relates to a double-head threaded fastener, a manufacturing method thereof and a special tool. The fastener includes bolts and nuts. Background technique [0002] At present, all aspects of life, industry and agriculture are inseparable from fasteners. Among them, standard threaded fasteners such as bolts and nuts are most frequently used and are extremely important in the field of fastening. [0003] However, since the fasteners act on the parts to be fastened for a long time, they will be worn and deformed, and they are prone to failure, and some of them will be difficult to disassemble after being screwed. In addition, the existing standard threaded fasteners are all single-threaded threads, and the assembly and disassembly efficiency is low. It will consume more assembly and disassembly time and labor during use, and the loss cost of the corresponding assembly and dis...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16B33/02F16B35/04F16B37/00B23G1/00B23G1/16
Inventor 贾灯喜
Owner 贾灯喜
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