Rear cover airtightness detection device for automobile electronic water pump production

A technology for air tightness detection and automotive electronics. It is applied in the use of liquid/vacuum for liquid tightness measurement, by detecting the appearance of fluid at the leak point, the sealing of the engine, etc., which can solve the problem of low irrigation efficiency and poor effect. , water waste, etc.
CN112683460AInactive Publication Date: 2021-04-20严真诚
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
严真诚
Publication Date
2021-04-20
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a rear cover airtightness detection device for automobile electronic water pump production, and belongs to the technical field of automobile electronic water pump rear cover airtightness detection. The rear cover airtightness detection device for automobile electronic water pump production comprises a rotating frame, a rectangular airtightness detection shell is fixed to the rotating frame, an automobile electronic water pump rear cover detection assembly is connected with a long rod in a sliding mode, an inflation mechanism is connected with the bottom end of the automobile electronic water pump rear cover detection assembly, the left end of the automobile electronic water pump rear cover detection assembly is connected with a pneumatic telescopic mechanism, the pneumatic telescopic mechanism is connected with a shell upper cover sealing structure, and pull ring pre-tightening mechanisms are arranged on the two sides of the shell upper cover sealing structure. According to the invention, the airtightness under each pressure effect can be conveniently detected, the detection effect is good, the function of adjusting parameters is realized, the airtightness or water tightness detection can be carried out on two surfaces of a test piece at the same time through positive and negative pressure testing, and the capability of exploring the hidden injury defect is strong.
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Description

technical field

[0001] The invention relates to the technical field of air tightness detection of the rear cover of an automobile electronic water pump, in particular to an air tightness detection device for the rear cover of an automobile electronic water pump. Background technique

[0002] Automotive electronic water pumps, many new energy vehicles, RVs and other special vehicles are often used in miniature water pumps as water circulation, cooling or on-board water supply systems. Such miniature self-priming water pumps are collectively referred to as automotive water pumps. The circular motion of the motor makes the diaphragm inside the pump reciprocate through the mechanical device, thereby compressing and stretching the air in the pump cavity (fixed volume), and under the action of the one-way valve, a positive pressure is formed at the drain (actual output The pressure is related to the power boost received by the pump outlet and the characteristics of the pump); a va...

Claims

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