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Steel sheet metal access plate on diesel engine

A technology for observing hole caps and diesel engines, which is applied in the directions of lubrication indicating devices and lubricating parts, etc., can solve the problems of difficult processing of breathing cap installation holes and low yield of rolling threads, and is convenient for industrialization, application, and processing technology. Low cost and light weight effect

Inactive Publication Date: 2013-12-11
张雪松
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the actual production process, the processing of the installation hole of the breathing cap is relatively difficult. First, the threaded bottom hole must be deep-drawn, and then the internal thread is processed by rolling. The yield rate of the rolled thread is not high.

Method used

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  • Steel sheet metal access plate on diesel engine
  • Steel sheet metal access plate on diesel engine
  • Steel sheet metal access plate on diesel engine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Embodiment 1: A kind of steel sheet metal diesel engine observation hole cover, such as Figure 1 to Figure 5 As shown, it consists of a steel plate shell 1 and a nut sleeve 2. The steel plate shell 1 includes a peripheral flange 11, a sealing mounting surface 12, a fixed mounting hole 13, a transition chamber wall 14, a breathing cover mounting surface 15, a breathing chamber 16. The outer wall of the breathing chamber 17, the transition chamber 18 and the installation plane 19, the peripheral flanging 11 is arranged around the sealing installation surface 12, the fixed installation holes 13 are arranged at the four corners of the sealing installation surface 12, and the fixed installation holes 13 An installation plane 19 is provided on the outside, and the transition chamber wall 14 is arranged between the sealing installation surface 12, the breathing cover installation surface 15 and the outer wall 17 of the breathing chamber, and the breathing chamber 16 is arrange...

Embodiment 2

[0017] Embodiment 2: On the basis of Embodiment 1, the back side where the nut sleeve 2 is combined with the installation surface 15 of the breathing cap is fixed by welding.

Embodiment 3

[0018] Embodiment 3: It consists of a steel plate shell 1 and a nut sleeve 2, the nut sleeve 2 and the steel plate shell 1 are fixedly connected into one body by welding, and the nut sleeve 2 is located below the installation surface 15 of the breathing cap.

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Abstract

The invention provides a steel sheet metal access plate on a diesel engine. The access plate comprises peripheral upsiding down edges, sealed mounting surfaces, fixed mounting holes, transition cavity walls, a breathing cover mounting surface, a breathing cavity, a breathing cavity outer wall, a transition cavity and mounting planes, wherein a positioning hole is arranged on the breathing cover mounting surface; the central axis of the positioning hole is vertical to the breathing cover mounting surface and forms included angles of 10-20 degrees together with the sealed mounting surfaces; a nut sleeve with an internal thread is fixed in the positioning hole; and the internal thread of the nut sleeve is matched with the external thread of a breather cover. The access plate has the following beneficial effects: not only can the advantages of light weight and short production period of the access plate be maintained, but also the process of mounting the internal thread on the breather cover is simplified; the nut sleeve and the positioning pole can be riveted or welded; and compared with the prior art, in the access plate, the nut sleeve is additionally arranged, but the machining process cost of the whole part is lower, the yield of the product is higher and the industrialized popularization and application are more convenient.

Description

technical field [0001] The invention relates to a part of a single-cylinder diesel engine, in particular to an observation hole cover on the diesel engine. Background technique [0002] On a single-cylinder diesel engine, in order to form a certain negative pressure in the body, ensure that the diesel engine has a good negative pressure condition. A breathing cover must be installed on the body of a single-cylinder diesel engine. At present, breathing caps are all installed on the observation hole cover by thread, and the observation hole cover with breathing cap is installed on the side of the observation hole of the body in a sealed manner, so as to balance the pressure in the body. The existing observation hole cover has two types: cast iron and cast aluminum. Although the cast iron has high strength, it is brittle, has poor impact resistance, and is easy to crack when subjected to external impact. It is realized by increasing the wall thickness, which is not only heavy...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01M11/10
Inventor 王荣海
Owner 张雪松