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Insert bolt using bushing and manufacturing method of bushing

A bushing and bolt technology, applied in the direction of screws, connecting components, threaded fasteners, etc., can solve problems such as difficult bolt holes for operators, delay in assembly time, bolt wear, etc., to achieve accuracy and stability, Good binding force and the effect of maintaining binding force

Active Publication Date: 2015-11-25
GENERAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Bolts are commonly used to connect this type of hood. However, when bolts are used to connect the rear of the hood, it is difficult for the operator to confirm the bolt holes with the naked eye, and assembly must be done intuitively.
In this way, the bolts will be worn during the assembly process, which will delay the assembly time and reduce productivity.

Method used

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  • Insert bolt using bushing and manufacturing method of bushing
  • Insert bolt using bushing and manufacturing method of bushing
  • Insert bolt using bushing and manufacturing method of bushing

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Experimental program
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Embodiment Construction

[0033] Next, the present invention will be described in detail with reference to the drawings. Such as figure 1 As shown, the present invention is composed of a bolt 10 and a bushing 20 enclosing the bolt 10 . The bolt 10 is composed of a polygonal head 11 , a circular washer 12 located under the head 11 , an upper body portion 13 and a lower body portion 16 connected downward from the washer 12 . A blocking portion 14 a having a radius larger than that of the upper body portion 13 and the lower body portion 16 is formed between the upper body portion 13 and the lower body portion 16 . The upper side of the blocking portion 14 a is perpendicular to the bolt 10 , and the lower side has a slope surface 14 a - 1 inclined downward toward the central axis of the bolt 10 . Threads 15 are formed on the lower main body portion 16 and are coupled with nuts embedded in the base material 30 . The thread 15 is formed at the central portion of the lower body portion 16 without being con...

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PUM

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Abstract

The invention relates to an insert bolt using a bushing and a manufacturing method of the bushing. In order to stably assemble the bolt, the bushing is clamped in a groove where the base metal bolt is connected, and the embedded bushing can play a role in guiding the connection position of the bolt, thus improving accuracy and stability. Besides, the bushing can be fixed on the base metal by using an outer side projection arranged on the outer side face of the bushing, and the bolt can be prevented from separating from the bushing by using an inner side projection arranged on the inner side face of the bushing.

Description

technical field [0001] The present invention relates to the manufacturing method of the insert bolts and the bushing using the bushing, and further relates to a method of fixing the bushing on the base material by using the outer protrusions arranged on the outer side of the bushing, and using the outer protrusions arranged on the inner side of the bushing to fix the bushing The inner protrusion on the upper part prevents the bolt from coming out of the bushing, and the manufacturing method of making a circular bushing on a plate-shaped metal material by using a plurality of forming fixtures. Background technique [0002] Generally speaking, the hood is an important device to protect the engine in a vehicle, it can block the external pressure acting on the engine, prevent the engine from deforming or malfunctioning, etc. Bolts are commonly used for this type of hood connection, but when bolts are used to connect the rear part of the hood, it is difficult for workers to con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B13/10F16B35/00
CPCF16B13/04F16B35/041F16B13/10
Inventor 朴元术
Owner GENERAL CO LTD
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