Wrap-around automotive spark plug

A spark plug and wraparound technology, which is applied in the field of spark plugs, can solve the problems of increased electrode gap and difficulty in starting the generator, and achieve good ignition stability

Inactive Publication Date: 2015-10-14
WUHU CHUANGZHI MACHINERY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, the spark plug electrode is composed of an intermediate electrode and a side electrode arranged on one side of the intermediate electrode. After a long time of use, the deformation of the side electrode tends to be staggered relative to the intermediate electrode, which leads to an increase in the electrode gap and makes it difficult to start the generator.

Method used

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  • Wrap-around automotive spark plug

Examples

Experimental program
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Effect test

Embodiment Construction

[0010] see figure 1 As shown, a wrap-around automotive spark plug includes a housing 1, the top of the housing 1 is open and the top of the housing 1 is connected to an insulator 2, the top of the insulator 2 is open and the top of the insulator is equipped with a cap 3, and a cap 3 is installed in the cap 3 The conductive rod 4, the lower end of the conductive rod 4 passes through the insulator 2 and then extends into the housing 1, and the lower end of the conductive rod 4 is connected to the intermediate electrode 5, the intermediate electrode 5 passes through the housing 1 from the bottom end of the housing 1, and the bottom of the housing 1 The end is also connected with a ring electrode 6 covering the middle electrode 5 . A ground nut 7 is connected to the top of the insulator 2 , and the upper end of the conductive rod 4 passes through the cap 3 and is connected to the ground nut 7 . External threads 8 are formed on the lower outer wall of the housing 1 .

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PUM

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Abstract

The invention discloses a wrap-around automotive spark plug which comprises a casing body. The top end of the casing body is communicated with an insulator. A cap cover is arranged in an opening in the top end of the insulator. A conductive rod is arranged in the cap cover. The lower end of the conductive rod extends into a casing body. The lower end of the conductive rod is connected with an intermediate electrode. The intermediate electrode runs out of the casing body through the bottom end of the casing body. The bottom end of the casing body is connected with a circular electrode which covers the intermediate electrode. The wrap-around automotive spark plug provided by the invention has the advantage of stable ignition.

Description

technical field [0001] The invention relates to the field of spark plugs, in particular to a wrap-around spark plug for automobiles. Background technique [0002] The spark plug is an important part of automobile ignition. It generates electric sparks through the discharge of electrodes in the cylinder, thereby igniting the combustible mixture in the cylinder. In the prior art, the spark plug electrode is composed of an intermediate electrode and a side electrode arranged on one side of the intermediate electrode. After a long time of use, the side electrode deforms and tends to be staggered relative to the intermediate electrode, resulting in an increase in the electrode gap and making it difficult to start the generator. Contents of the invention [0003] The purpose of the present invention is to provide a wrap-around automobile spark plug to solve the problems in the prior art. [0004] In order to achieve the above object, the technical scheme adopted in the presen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01T13/32
Inventor 丁一
Owner WUHU CHUANGZHI MACHINERY TECH
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