Gradient thread achieving automatic guide

A thread and gradient technology, applied in the field of automatic introduction of gradient threads, can solve problems such as operation safety affecting assembly efficiency, thread seizure, and gun jamming, and achieve the effect of improving enterprise market competitiveness, improving assembly efficiency, and structural reliability.

Inactive Publication Date: 2017-02-15
宁波长华长盛汽车零部件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

When the ordinary bolt is screwed into the internal thread in an inclined or other abnormal form, problems such as slipping, jamming, and thread seizure are prone to occur, which will affect the efficiency of assembly and the safety of operation.
[0004] Therefore, the threads of the assembly bolts in the tailgate hinges of the prior art, etc., also have places for lifting

Method used

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  • Gradient thread achieving automatic guide
  • Gradient thread achieving automatic guide
  • Gradient thread achieving automatic guide

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Embodiment Construction

[0019] Several preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention is not limited to these embodiments. The present invention covers any alternatives, modifications, equivalent methods and schemes made on the spirit and scope of the present invention. In order to provide the public with a thorough understanding of the present invention, specific details are set forth in the following preferred embodiments of the present invention, but those skilled in the art can fully understand the present invention without the description of these details. In addition, well-known methods, procedures, processes, components, etc. have not been described in detail in order to avoid unnecessary confusion to the essence of the present invention.

[0020] Please refer to figure 1 with figure 2 , an automatic lead-in gradient thread, comprising a first threaded part 10, a second threaded part 20 ...

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Abstract

The invention provides a gradient thread achieving automatic guide. The gradient thread comprises a first thread part, a second thread part and a third thread part which are connected in sequence. The height of screw threads of the first thread part is consistent, and height of screw threads of the third thread part is consistent. The second thread part is a transition thread between the first thread part and the third thread part. Screw threads of the second thread part are different in height and angle. According to the gradient thread achieving automatic guide, the structure is reliable, seizing up and slipping during assembling are avoided, safety production is achieved, and the market competitiveness of an enterprise is improved.

Description

technical field [0001] The invention relates to a thread of a bolt used in automobiles, in particular to an automatic lead-in gradient thread with a slope used for assembly of automobiles. Background technique [0002] With the development of science and technology, the automobile products are changing with each passing day, which is almost indispensable for people's daily life. When designing a car, each component part is pre-set according to the design requirements. Firmware assembly. These components, connectors and fasteners are used together to ensure the safety and comfort of vehicles. Therefore, higher requirements are put forward for fastener products, and auto parts are an important part of my country's auto industry to participate in globalization. field. However, after the vehicle has been running for a period of time, the quality of these parts, connectors and fasteners will change due to parts wear, violent bumps caused by uneven roads, chassis parts damage, ti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B33/02
CPCF16B33/02
Inventor 王长土
Owner 宁波长华长盛汽车零部件有限公司
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