Point paint mistake-proofing sleeve

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...

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 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 of spotting paint on the bolts, which also causes some bolts to miss the torque. In summary, when assembling the bolts, it is necessary to design a tool that can 100% guarantee the torque of the bolts

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