Multimeter with stable plugging and convenient use

Abstract

The invention relates to a multimeter with stable plugging and convenient use. The multimeter comprises a main body, two meter pens, three plugging ports and three plugging connectors, and further comprises a switching mechanism and three reinforcing mechanisms, wherein the switching mechanism comprises a connecting block, a driving assembly, a sliding rod, a moving block, a cable, an elastic piece, a sliding groove, two sliding blocks, two first springs and two metal contacts; each reinforcing mechanism comprises a limiting rod, an air conveying pipe, an air storage box, a thin film, a push rod, an annular air bag and two supporting assemblies; each supporting assembly comprises a guide rail, a second spring and a sliding sleeve; and each driving assembly comprises a screw rod and a turntable. According to the multimeter with stable plugging and convenient use, direct switching of one meter pen between a voltage measurement interface and a current measurement interface is realized bymeans of the switching mechanism, so that an operator does not need to frequently plug and unplug the plugging connectors, the use convenience of the multimeter is improved, the plugging connectors can be reinforced by means of the reinforcing mechanisms, and the connection firmness of the plugging connectors and the plugging ports is improved.

Description

technical field [0001] The invention relates to the field of integrated circuit detection equipment, in particular to a multimeter with convenient plugging and stable insertion. Background technique [0002] Multimeters are also known as multiplex meters, multimeters, three-purpose meters, multimeters, etc. Generally, the main purpose is to measure voltage, current and resistance. Multimeters are divided into pointer multimeters and digital multimeters according to the display mode. It is a multi-functional, Multi-range measuring instruments, general multimeters can measure DC current, DC voltage, AC current, AC voltage, resistance and audio level, etc., and some can also measure AC current, capacitance, inductance and some parameters of semiconductors. [0003] Multimeters are widely used in the detection of integrated circuits. In the process of switching current and voltage measurements, the multimeters in the prior art need to frequently plug and unplug the test leads, r...

AI Technical Summary

Problems solved by technology

[0003] Multimeters are widely used in the detection of integrated circuits. In the process of switching current and voltage measurements, the multimeters in the prior art need to frequently plug and unplug the test leads, resulting in loosening between the plug connector and the plug interface, resulting in poor contact of the multimeter. Not only that, when the multimeter in the prior art is in use, if the test pen is pulled by an external force, it will cause the plug connector to be separated from the plug interface, which reduces the practicability of the multimeter

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