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An anti-leakage device and processing method for filling port of automobile expansion kettle

A technology of expansion kettle and filling port, which is used in engine cooling, machine/engine, mechanical equipment, etc., can solve problems such as leakage and affect air tightness, so as to increase heat dissipation efficiency, improve air tightness, and reduce gap changes amount of effect

Active Publication Date: 2020-04-03
ANHUI ZHICHENG ELECTROMECHANICAL SPARE PARTS
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the development of my country's economy, people's living standards have also increased significantly. With the improvement of living standards, people have also entered a stage of rapid rise in the development of automobiles. The auxiliary equipment of automobiles is also relatively high. For example, the engine on automobiles at this stage The heat dissipation device has an expansion kettle. In terms of heat dissipation of the engine, the expansion kettle is basically used for heat dissipation. The working principle of the expansion kettle is to trigger the switch through the indoor air pressure as the temperature increases. Therefore, the expansion kettle has a great impact on air tightness It has higher requirements, so it needs a more reasonable structure and more precise processing method. In the previous fixture, the copper nut injection molded part expands locally due to the different shrinkage ratio of the material in the high and low temperature environment. gaps, so there is a problem of leakage, which seriously affects the airtightness

Method used

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  • An anti-leakage device and processing method for filling port of automobile expansion kettle
  • An anti-leakage device and processing method for filling port of automobile expansion kettle

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Embodiment Construction

[0020] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0021] Please refer to figure 1 , 2 , an anti-leakage device for the filling port of an automobile expansion pot, comprising an expansion pot 1, the expansion pot 1 is provided with a filling port 2, and also includes an anti-leakage device, and the anti-leakage device is arranged in the filling port 2 .

[0022] In this embodiment, the filling port 2 includes a connecting block 3, an outer ring sleeve 4 and 5 pieces of copper nut inserts, the connecting block 4 is fixed on the expansion kettle 1, and the outer ring sleeve 4 and copper The nut inserts 5 are all arranged on the connecting block 3, the outer ring sleeve 4 is set on the outer wall of the copper nut insert 5, the shape of the copper nut insert 5 is a concentric cylinder, and the co...

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Abstract

The invention aims to provide an anti-leakage device for a filling port of an automobile expansion tank and a machining method of the anti-leakage device. The anti-leakage device comprises the expansion tank and further comprises an anti-leakage device body, wherein the filling port is arranged in the expansion tank; the anti-leakage device body is arranged in the filling port; the filling port comprises a connecting block, an outer ring sleeve and a copper nut insert; the connecting block is fixed on the expansion tank; both the outer ring sleeve and the copper nut insert are arranged on the connecting block; the outer wall of the copper nut insert is sleeved by the outer ring sleeve; the copper nut insert takes the shape of a concentric cylinder; uniform threads are formed on the inner wall of the copper nut insert; grooves are uniformly formed in the outer wall and the bottom of the copper nut insert; fixing blocks are arranged on the inner wall of the outer ring sleeve; and the fixing blocks correspond to the grooves in the outer wall of the copper nut insert in shape and position, thereby blocking leakage at the current position, reducing the clearance variation, improving the air tightness and increasing the heat-dissipating efficiency.

Description

technical field [0001] The invention relates to the field of automobile equipment and parts, in particular to the improvement of the processing technology and equipment of automobile auxiliary equipment and parts, and in particular to an anti-leakage device and a processing method for a filling port of an automobile expansion kettle. Background technique [0002] With the development of my country's economy, people's living standards have also increased significantly. With the improvement of living standards, people have also entered a stage of rapid rise in the development of automobiles. The auxiliary equipment of automobiles is also relatively high. For example, the engine on automobiles at this stage The heat dissipation device has an expansion kettle. In terms of heat dissipation of the engine, the expansion kettle is basically used for heat dissipation. The working principle of the expansion kettle is to trigger the switch through the indoor air pressure as the temperatu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01P11/00B23P15/00
CPCB23P15/00F01P11/0204F01P2050/22
Inventor 方举刘祖俊何斌黄林
Owner ANHUI ZHICHENG ELECTROMECHANICAL SPARE PARTS
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