CN208780723U

CN208780723U - Multimeter accessory

Info

Publication number: CN208780723U
Application number: CN201821379092.9U
Authority: CN
Inventors: 赵博雅; 赵波; 李金华
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-08-27
Filing date: 2018-08-27
Publication date: 2019-04-23
Anticipated expiration: 2028-08-27

Abstract

The utility model discloses a kind of multimeter accessories, are made of sleeve, wing bolt, T-type pen tip, spring；Sleeve head end radial outside offers threaded hole, wing bolt is arranged in threaded hole, sleeve bottom end face is provided with circular through hole, T-type pen tip is arranged in sleeve inner, spring is nested on the T-type pen tip between T-type pen tip head end and sleeve bottom end, the outer diameter of spring is greater than sleeve bottom end circular through hole diameter, the outer diameter of spring is less than T-type pen tip head end diameter, T-type pen tip is divided into T-type aciculiform pen tip and T-type hole shape pen tip, when measuring intensive acicular terminal electronic component, with T-type hole shape pen tip, T-type hole shape pen tip can be covered to be measured on measured acicular terminal electronic component, contact is reliable, with T-type aciculiform pen tip when the thin wire of solid matter on measured hole or printed wiring board, this assistant tool structure is simply easy to use, it can prevent the generation of poor contact and short circuit accident when detection.

Description

Multimeter accessory

Technical field

The utility model relates to electronic information field of measuring technique, in particular to a kind of multimeter accessory.

Background technique

Multimeter is also known as multi-meter, multimeter, avometer, numerous table etc., is that the departments such as power electronics are indispensable Measuring instrumentss, generally to measure voltage, electric current and resistance as the main purpose, multimeter by display mode be divided into pointer multimeter and Digital multimeter, is a kind of multi-functional, multiple range measuring instrumentss, and general multimeter can measure DC current, DC voltage, friendship Galvanic electricity stream, alternating voltage, resistance and audio-frequency electric equality, some can also to survey alternating current, capacitance, inductance and semiconductor Some parameters etc..

The tip part of pen of pen meter of universal meter is needle-like structures, and pen tip is relatively large in diameter, and is measuring intensive acicular terminal electronics member Short circuit accident is easy to happen on part or printed wiring when the thin wire of solid matter, is not contacted when measuring intensive poroid electronic component, Influence the accuracy of measurement, and the pen tip of pen meter of universal meter is more sharp, when use may be subjected to the collision of external object and Damage, influences next use.

Summary of the invention

The purpose of this utility model be it is insufficient according to prior art, provide that a kind of structure is simple, it is intensive to measure Acicular terminal electronic component can measure the thin wire of solid matter on intensive poroid electronic component or printed wiring again and can protect The impaired device of the T-type pen tip of the pen tip and multimeter accessory itself of pen meter of universal meter.

A kind of multimeter accessory is made of sleeve, wing bolt, T-type pen tip, spring；Sleeve head end radial outside opens up There is threaded hole, wing bolt is arranged in threaded hole, and sleeve bottom end face is provided with circular through hole, and T-type pen tip is arranged in sleeve Portion, spring are nested on the T-type pen tip between T-type pen tip head end and sleeve bottom end, and it is round that the outer diameter of spring is greater than sleeve bottom end The outer diameter of through-hole diameter, spring is less than T-type pen tip head end diameter.

The T-type pen tip is divided into T-type aciculiform pen tip and T-type hole shape pen tip.

The T-type pen tip material is brass.

Protection insulation sleeve is provided with outside the sleeve and wing bolt.

The working principle and use process of the utility model:

Multimeter accessory has two class T-type pen tips, respectively T-type aciculiform pen tip and T-type hole shape pen tip；Measure intensive needle-shaped end When sub- electronic component, with T-type hole shape pen tip, T-type hole shape pen can be covered to be measured on measured acicular terminal electronic component, Contact is reliable, can prevent the generation of poor contact and short circuit accident when detection, measures solid matter on dense holes or printed wiring board With T-type aciculiform pen tip when thin wire, T-type aciculiform pen tip outer diameter is less than multimeter original pen tip outer diameter, so being convenient for measuring, T-type needle Shape pen tip can be inserted in aperture.

In use, selecting suitable T-type aciculiform pen tip or T-type hole shape pen tip according to actual measurement needs, sleeve being nested with On pen meter of universal meter pen tip, length of the pen meter of universal meter pen tip in sleeve is adjusted, and then adjust the elongation of T-type pen tip, Wing bolt is screwed after being adjusted to suitable position, multimeter accessory is fixed on pen meter of universal meter pen tip, that is, can measure.

After use, wing bolt is unscrewed, T-type pen tip is under the action of the spring in full retraction to sleeve, and wing bolt is to T Type pen tip plays position-limiting action, and sleeve plays a very good protection to T-type pen tip and guiding role, T-type pen when next time uses Point is not in be stuck in the situation that could not extend in sleeve bottom end face to occur.

The utility model has the beneficial effects that

1, this assistant tool structure is simple, easy to use, and two kinds of pen tips can be selected according to actual measurement, T-type hole Shape pen tip can be covered to be measured on being measured intensive acicular terminal electronic component, and is contacted reliably, can prevent to connect when detection Bad and short circuit accident generation is touched, with T-type aciculiform pen tip when the thin wire of solid matter on measured hole and printed wiring.

2, to avoid pen tip of hurting sb.'s feelings and damage, when not used T-type pen tip under the action of the spring can automatic retracted into sleeve, cover Cylinder is also the accommodating chamber of T-type pen tip as the part connecting with test pencil.

3, wing bolt plays fixed function when in use, also plays position-limiting action to T-type pen tip when not in use, prevents Pen tip is skidded off out of sleeve.

4, select brass as manufacture material, electric conductivity is good, easy to process and cost is cheap.

5, sleeve is fixed on pen meter of universal meter pen tip by wing bolt, and T-type pen tip is contracted in sleeve, and sleeve can be with Play the role of duplicate protection to pen meter of universal meter pen tip and T-type pen tip.

Detailed description of the invention

Fig. 1 is the utility model T-type pen tip contraction state main view.

Fig. 2 is the utility model T-type aciculiform pen tip right view.

Fig. 3 is the utility model T-type hole shape pen tip right view.

Fig. 4 is that T-type aciculiform pen tip holds out against state cross-sectional view.

Fig. 5 is that T-type hole shape pen tip holds out against state cross-sectional view.

Fig. 6 is T-type aciculiform pen tip contraction state cross-sectional view.

Fig. 7 is T-type hole shape pen tip contraction state cross-sectional view.

Specific embodiment

It please refers to shown in Fig. 1 to Fig. 7, a kind of multimeter accessory, by sleeve 1, wing bolt 2, T-type pen tip 3,4 groups of spring At；1 head end radial outside of sleeve offers threaded hole, and wing bolt 2 is arranged in threaded hole, and 1 bottom face of sleeve is provided with circle Shape through-hole 5, T-type pen tip 3 are arranged inside sleeve 1, and spring 4 is nested with the T-type between 1 bottom end of T-type pen tip head end 30 and sleeve On pen tip 3, the outer diameter of spring 4 is greater than 1 bottom end circular through hole of sleeve, 5 diameter, and it is straight that the outer diameter of spring 4 is less than T-type pen tip head end 30 Diameter.

The T-type pen tip 3 divides for T-type aciculiform pen tip 31 and T-type hole shape pen tip 32.

3 material of T-type pen tip is brass.

Protection insulation sleeve is provided with outside the sleeve 1 and wing bolt 2.

The working principle and use process of the present embodiment:

Multimeter accessory has two clock T-type pen tips 3, respectively T-type aciculiform pen tip 31 and T-type hole shape pen tip 32；Measurement is intensive When acicular terminal electronic component, with T-type hole shape pen tip 32, T-type hole shape pen tip 32, which can cover, is being measured intensive acicular terminal electricity It is measured in subcomponent, contact is reliable, can prevent the generation of poor contact and short circuit accident when detection, measures dense holes or print With T-type aciculiform pen tip 31 when the thin wire of solid matter on wiring board processed, 31 outer diameter of T-type aciculiform pen tip is less than outside multimeter original pen tip Diameter, so being convenient for measuring, T-type aciculiform pen tip 31 be can be inserted in aperture.

In use, suitable T-type aciculiform pen tip 31 or T-type hole shape pen tip 32 are selected, by sleeve according to actual measurement needs 1 is nested on pen meter of universal meter pen tip 7, adjusts length of the pen meter of universal meter pen tip 7 in sleeve 1, and then adjust T-type pen tip 3 Elongation, be adjusted to behind suitable position by screwing wing bolt 2, multimeter accessory be fixed on pen meter of universal meter pen tip On 7, that is, it can measure.

After use, wing bolt 2 is unscrewed, T-type pen tip 3 is under the effect of spring 4 in full retraction to sleeve 1, butterfly spiral shell To T-type pen tip 3, it arrives position-limiting action to bolt 2, and sleeve 1 plays a very good protection to T-type pen tip 3 and guiding role, makes next time Used time T-type pen tip 3 is not in be stuck in the situation that could not extend in 1 bottom face of sleeve to occur.

Claims

1. a kind of multimeter accessory, it is characterised in that: be made of sleeve (1), wing bolt (2), T-type pen tip (3), spring (4)； Sleeve (1) head end radial outside offers threaded hole, and wing bolt (2) is arranged in threaded hole, and sleeve (1) bottom face is provided with Circular through hole (5), T-type pen tip (3) setting is internal in sleeve (1), and spring (4) is nested in T-type pen tip head end (30) and sleeve (1) On T-type pen tip (3) between bottom end, the outer diameter of spring (4) is greater than sleeve (1) bottom end circular through hole (5) diameter, spring (4) Outer diameter is less than T-type pen tip head end (30) diameter.

2. a kind of multimeter accessory according to claim 1, it is characterised in that: the T-type pen tip (3) is divided into T-type needle Shape pen tip (31) and T-type hole shape pen tip (32).

3. a kind of multimeter accessory according to claim 1, it is characterised in that: T-type pen tip (3) material is Huang Copper.

4. a kind of multimeter accessory according to claim 1, it is characterised in that: the sleeve (1) and wing bolt (2) Outside is provided with protection insulation sleeve.