Point paint mistake-proofing sleeve

A technology of spotting paint and sleeves, which is applied to hand-held tools and manufacturing tools, can solve the problems of loose bolts and falling off, personal injury, parts flying out, etc., and achieve the effect of easy replacement operation, low production cost and simple structure

Inactive Publication Date: 2017-08-04
GUANGXI YUCHAI MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, after the bolts are tightened, it is impossible to tell whether there is torque from the appearance, so the failure of the bolts to tighten the torque occurs from time to time, which will cause the bolts to loosen and fall off, parts to fly out, etc., causing personal injury
Therefore, at present, the only way to use a paint pen to paint on the bolts after tighten

Method used

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  • Point paint mistake-proofing sleeve
  • Point paint mistake-proofing sleeve
  • Point paint mistake-proofing sleeve

Examples

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Embodiment Construction

[0018] Such as Figure 1~4 Shown, a kind of sleeve that prevents error by spotting paint, comprises sleeve 1, spotting pen 5, spotting pen cover 4, spring support plate 7 and a spring 3; Described sleeve 1 upper end is provided with wrench square groove 10 , for mating connection with the wrench square to work with a wrench. At the same time, the lower end of the sleeve 1 is also provided with a bolt head groove 11; the inside of the sleeve 1 is provided with an inner chamber 6, and the inner chamber 6 communicates with the wrench square head groove 10; , the spot paint pen cover 4 is distributed in the inner cavity 6 of the sleeve 1, the lower end of the spring 3 bears against the upper end of the spot paint pen cover, and the upper end of the spring 3 bears against the spring support plate 7; at the same time, In order to block the spring support plate 7 at the upper part and prevent it from protruding upward, a retaining ring groove 8 is provided at the upper end of the in...

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Abstract

The invention discloses a paint spotting error-proof sleeve, which comprises a sleeve and a paint pen; the upper end of the sleeve is provided with a wrench square head groove, the lower end is provided with a bolt head groove, and an inner cavity is provided inside; The paint spotting pen is distributed in the inner cavity of the sleeve, and the tip of the paint spotting pen can extend to the upper end of the bolt head groove. The invention has the advantages of simple structure, low production cost, automatic marking when tightening torque is performed, convenient use and good effect.

Description

technical field [0001] The invention relates to the technical field of engine assembly and testing, in particular to a paint spotting error-proof sleeve. [0002] technical background [0003] When assembling various bolts of the engine, in order to ensure the reliability of the engine, it is required in the process to tighten the bolts with a wrench first, and then tighten the bolt torque with a torque wrench. However, after the bolts are tightened, it is impossible to tell whether there is torque from the appearance, so the failure of the bolts to tighten the torque occurs from time to time, which will cause the bolts to loosen and fall off, parts to fly out, and other consequences, causing personal injury. Therefore, at present, the only way to use a paint pen to paint on the bolts after tightening torque is to confirm that most of the engine bolts have torque, but due to the carelessness of the operator, there will be no tightening torque. There is also a mistake in spot...

Claims

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Application Information

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IPC IPC(8): B25B27/14
CPCB25B27/14
Inventor 刘建飞
Owner GUANGXI YUCHAI MASCH CO LTD
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