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Double-end stud and preparation technology thereof

A preparation process and stud technology, which is applied in the direction of screws, bolts, mechanical equipment, etc., can solve the problems of inconvenient tightening and installation, and achieve the effect of improving tempering quality

Inactive Publication Date: 2019-04-26
SHANGHAI QUNLI FASTENER MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problem of inconvenient tightening and installation in the prior art, the purpose of the present invention is to provide a double-ended stud and its preparation process, which is convenient for tightening and installing the double-ended stud from any end

Method used

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Embodiment Construction

[0050] In order to make the purpose, technical solutions and beneficial effects of the present invention clearer, the present invention will be further described in detail below in conjunction with the examples and accompanying drawings, but the embodiments of the present invention are not limited thereto.

[0051] Such as figure 1 As shown, a double-ended stud stud includes a cylindrical section, a first stud section and a second stud section are integrally fixed at both ends of the cylindrical section, and the end of the first stud section far away from the second stud section is provided with a The screwing slot for easy screwing, the opening of the screwing slot is a regular hexagon, the end of the second stud segment far away from the first stud segment is coaxially fixed with a cylindrical connecting column, and the side wall of the connecting column is provided with a screw for easy screwing The twisting surface, the twisting surface is a plane. The first stud section ...

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Abstract

The invention discloses a double-end stud and a preparation technology thereof, and relates to the technical field of processing of fasteners. The double-end stud comprises a cylindrical section, wherein a first stud section and a second stud section are separately and integrally fixed to two ends of the cylindrical section; a screwing groove which is convenient to screw is formed in one end awayfrom the second stud section, of the first stud section; a connecting column is coaxially and integrally fixed to one end away from the first stud section, of the second stud section; and a screwing surface which is convenient to screw is arranged on the side wall of the connecting column. According to the double-end stud disclosed by the invention, in accordance with the problem that a conventional double-end stud is not convenient to screw down and mount, the screwing groove and the connecting column are formed / arranged, so that a tool can be inserted into the screwing groove for screwing and mounting, and a rotating tool can also sleeve the connecting column for screwing and mounting, so that mounting and using are convenient.

Description

technical field [0001] The invention relates to the technical field of fastener processing, more specifically, it relates to a double-thread stud and a preparation process thereof. Background technique [0002] Double-headed studs refer to cylindrical fasteners with threads at both ends, which are widely used in electric power, chemical industry, oil refining, valves, railways, bridges, steel structures, automobile and motorcycle parts, machinery, boiler steel structures, hanging towers, Long-span steel structures and large buildings, etc. [0003] For the existing double-ended thread stud structure, as the patent publication number is the Chinese patent of CN206738359U, it discloses a kind of double-ended thread stud, comprising a stud body and a threaded section, and the threaded section includes a first threaded section, a second threaded section, and a second threaded section. Threaded section, the stud body is located between the first threaded section and the second t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B35/00F16B23/00B23P15/00
CPCB23P15/00F16B23/0007F16B35/00
Inventor 陆优明
Owner SHANGHAI QUNLI FASTENER MFG
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