CN214669284U

CN214669284U - Circuit verification system

Info

Publication number: CN214669284U
Application number: CN202120106826.1U
Authority: CN
Inventors: 张峰
Original assignee: Xi'an Punuowei Electronic Technology Co ltd
Current assignee: Xi'an Punuowei Electronic Technology Co ltd
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2021-11-09
Anticipated expiration: 2031-01-15

Abstract

The utility model relates to the technical field of circuit verification devices, in particular to a circuit verification system, which comprises a shell, a protective shell and a measuring rod, wherein the left inner side of the shell is fixedly connected with a fixed block, the upper end and the lower end of the left inner side of the fixed block are provided with a clamping groove, a movable shaft is arranged at the outer side position of the right end of the clamping groove and is arranged at the inner side of the shell, a first spring is arranged at the middle position of the outer side of the movable shaft, the inner end of the first spring is fixedly connected with the shell, and the outer end of the first spring is fixedly connected with a limiting plate; the utility model discloses in, through fixed block, protecting crust and the fixture block that sets up, this kind of setting has set up safeguard measure to the test pencil front end measuring stick outside, has avoided spilling the overlength because of the measuring stick, leads to the staff when using the test pencil, thereby the dangerous hidden danger that the touching metal pole leads to the electric shock produces, can adjust the position of protecting crust according to the shape of testee simultaneously, makes the position of protecting crust have various regulations, has increased the safety in utilization of test pencil.

Description

Circuit verification system

Technical Field

The utility model relates to a circuit verification device technical field specifically is circuit verification system.

Background

With the continuous development of science and technology, electrical appliances used in life are increasing day by day, the use of the electrical appliances is accompanied with the generation of a circuit, the circuit consists of a power supply, a load, a connecting wire and auxiliary equipment, faults under different conditions can occur in the circuit along with the increase of the use time of the electrical appliances, the power-on condition of the circuit needs to be verified firstly when the circuit is detected, and then the circuit is maintained.

The test pencil that uses in the society today, most test pencil front ends measure the metal pole and spill the overlength, thereby the staff when using the test pencil has the dangerous hidden danger that touches the metal pole and lead to the electric shock to appear, and test pencil front end metal measuring head can not be changed, leads to the test pencil not have the diversity and measures the regulation mode, consequently proposes to above-mentioned problem, and the circuit verifies the system.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circuit verification system to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the circuit verification system comprises a shell, a protective shell and a measuring rod, wherein a fixed block is fixedly connected to the left inner side of the shell, clamping grooves are formed in the upper end and the lower end of the left inner side of the fixed block, a moving shaft is arranged at the position outside the right end of the clamping grooves, a first spring is arranged at the middle position outside the moving shaft, the inner end of the first spring is fixedly connected with the shell, the outer end of the first spring is fixedly connected with a limiting plate, the inner side of the limiting plate is fixedly connected with a moving shaft, the outer end of the moving shaft is fixedly connected with a first button, a metal connecting rod is fixedly connected to the middle position inside the shell at the left side, a second spring is arranged at the middle position outside the metal connecting rod, a fixed block is fixedly connected to the right end of the second spring, the protective shell is fixedly connected to the left end of the second spring, and the shell is slidably connected to the outer side of the right end of the protective shell, the utility model discloses a metal connecting rod, including connecting axle, connecting axle outside, fixed connection has the locating plate, locating plate left side fixedly connected with is fixed, locating plate outside fixedly connected with metal connecting rod, the fixed cover of metal connecting rod left side fixedly connected with, connecting axle left end fixedly connected with measuring stick.

Preferably, both ends fixedly connected with limit slide about the protective housing right side, the protective housing passes through limit slide and casing sliding connection, limit slide right side fixedly connected with fixture block, limit slide outside fixedly connected with second button.

Preferably, a second fixing groove is formed in the inner side of the metal connecting rod at the position outside the right end of the connecting shaft.

Preferably, the positioning groove is formed in the inner side of the metal connecting rod at the position outside the positioning plate.

Preferably, a first fixing groove is formed in the inner side of the metal connecting rod at the position outside the right end of the fixing sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, through the fixed block, the protective shell and the fixture block, the protective measure is arranged outside the measuring rod at the front end of the test pencil, so that the danger potential danger of electric shock caused by touching the metal rod when the test pencil is used by a worker due to the fact that the measuring rod is too long leaked is avoided, and meanwhile, the position of the protective shell can be adjusted according to the shape of a measured object, so that the position of the protective shell has various adjustability, and the use safety of the test pencil is improved;

2. the utility model discloses in, through connecting axle, fixed cover and the metal connecting rod that sets up, the measuring stick passes through connecting axle and metal connecting rod interconnect, fastens connecting axle and metal connecting rod through fixed cover, and this kind of setting makes test pencil front end measuring stick be convenient for change, has increased the measuring range of test pencil, makes the test pencil can carry out the variety and measure, and the staff of being convenient for has increased the practicality of test pencil to the use regulation of different measuring environment.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1 at B according to the present invention;

fig. 4 is an enlarged schematic structural diagram of the point C in fig. 1 according to the present invention.

In the figure: the device comprises a shell 1, a metal connecting rod 2, a fixing block 3, a clamping groove 4, a moving shaft 5, a first spring 6, a limiting plate 7, a first button 8, a second spring 9, a protective shell 10, a limiting slide block 11, a second button 12, a clamping block 13, a measuring rod 14, a connecting shaft 15, a positioning plate 16, a fixing sleeve 17, a first fixing groove 18, a positioning groove 19 and a second fixing groove 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

the circuit verification system comprises a shell 1, a protective shell 10 and a measuring rod 14, wherein a fixed block 3 is fixedly connected to the left inner side of the shell 1, clamping grooves 4 are formed in the upper end and the lower end of the left inner side of the fixed block 3, a moving shaft 5 is arranged on the inner side of the shell 1 and positioned at the outer side position of the right end of each clamping groove 4, a first spring 6 is arranged at the middle position of the outer side of each moving shaft 5, the inner end of each first spring 6 is fixedly connected with the shell 1, the outer end of each first spring 6 is fixedly connected with a limiting plate 7, the inner side of each limiting plate 7 is fixedly connected with the moving shaft 5, the outer end of each moving shaft 5 is fixedly connected with a first button 8, a metal connecting rod 2 is fixedly connected at the middle position of the left side in the shell 1, a second spring 9 is arranged at the middle position of the outer side of the metal connecting rod 2, the right end of the second spring 9 is fixedly connected with the fixed block 3, the left end of the second spring 9 is fixedly connected with the protective shell 10, and the shell 1 is slidably connected to the outer side of the right end of the

protective shell

10, 2 left end fixedly connected with connecting axle 15 of metal connecting rod, 15 outside intermediate position departments fixedly connected with locating plate 16 in the connecting axle, the fixed cover 17 of locating plate 16 left side fixedly connected with, 16 outside fixedly connected with metal connecting rod 2 of locating plate, the fixed cover 17 of 2 left sides fixedly connected with of metal connecting rod, 15 left end fixedly connected with measuring stick 14 of connecting axle.

The upper end and the lower end of the right side of the protective shell 10 are fixedly connected with a limiting slide block 11, the protective shell 10 is connected with the shell 1 in a sliding way through the limiting slide block 11, the right side of the limiting slide block 11 is fixedly connected with a clamping block 13, the outer side of the limiting slide block 11 is fixedly connected with a second button 12, the arrangement can adjust and fix the position of the protective shell 10, so that the position of the protective shell 10 has various adjustability, the use safety and the adjustability of the test pencil are improved, the inner side of the metal connecting rod 2 at the position of the outer side of the right end of the connecting shaft 15 is provided with a second fixing groove 20, the arrangement is convenient for the measuring rod 14 to be mutually connected with the metal connecting rod 2 through the connecting shaft 15, the inner side of the metal connecting rod 2 at the position of the outer side of the positioning plate 16 is provided with a positioning groove 19, the arrangement enables the measuring rod 14 to be positioned and fixed at the left side of the metal connecting rod 2 through the positioning plate 16, and is favorable for the stability of the measuring rod 14, be located fixed cover 17 right-hand member outside position department metal connecting rod 2 inboard and seted up first fixed slot 18, this kind of setting has increased the stable connection of measuring stick 14 with metal connecting rod 2, makes measuring stick 14 and metal connecting rod 2 be connected more firmly.

The working process is as follows: when the test pencil is used for measuring the power-on condition of a circuit, firstly, the appearance condition of the measuring circuit needs to be judged, when a circuit measuring point belongs to a direct-in type measurement, the measuring pencil can be directly used for measuring the circuit, a protective shell 10 is arranged on the outer side of a measuring rod 14 during measurement, the upper end and the lower end of the right side of the protective shell 10 are fixedly connected with a limiting slide block 11, the protective shell 10 is connected with a shell 1 in a sliding way through the limiting slide block 11, the protective shell 10 can slide rightwards when penetrating into the circuit according to the measuring rod 14, the situation that a worker touches the measuring rod 14 to cause electric shock when using the test pencil due to overlong leakage of the measuring rod 14 is avoided, when the measuring rod 14 needs to leak, the second button 12 is moved rightwards by sliding the second button 12, the second button 12 is moved rightwards to drive the limiting slide block 11 to move rightwards, the limiting slide block 11 is moved rightwards to drive a clamping block 13 and the protective shell 10 to move rightwards, when the protective shell 10 needs to be moved to the original position, the first button 8 is pressed, the first button 8 drives the moving shaft 5 to move downwards, when the moving shaft 5 moves downwards, the fixture block 13 is separated from the fixed block 3, the protective shell 10 moves towards the left side through the elastic deformation force of the second spring 9, so that the protective shell 10 moves to the original position, when circuit measurement needs to replace the measuring rod 14, the protective shell 10 is firstly moved, the protective shell 10 is fixed in the shell 1, then the fixing sleeve 17 is screwed, so that the fixing sleeve 17 is separated from the metal connecting rod 2, when the fixing sleeve 17 is separated from the metal connecting rod 2, the measuring rod 14 is screwed, the right side of the measuring rod 14 is fixedly connected with the connecting shaft 15, so that the connecting shaft 15 is separated from the metal connecting rod 2, when the connecting shaft 15 is separated from the metal connecting rod 2, the measuring rod 14 can be replaced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Circuit verification system, including casing (1), protective housing (10) and measuring stick (14), its characterized in that: the movable type spring support is characterized in that a fixed block (3) is fixedly connected to the left inner side of the shell (1), clamping grooves (4) are formed in the upper end and the lower end of the left inner side of the fixed block (3), a movable shaft (5) is arranged on the inner side of the shell (1) at the position of the outer side of the right end of the clamping grooves (4), a first spring (6) is arranged at the middle position of the outer side of the movable shaft (5), the inner end of the first spring (6) is fixedly connected with the shell (1), a limiting plate (7) is fixedly connected to the outer end of the first spring (6), a movable shaft (5) is fixedly connected to the inner side of the limiting plate (7), a first button (8) is fixedly connected to the outer end of the movable shaft (5), a metal connecting rod (2) is fixedly connected to the middle position of the inner side of the shell (1), a second spring (9) is arranged at the middle position of the outer side of the metal connecting rod (2), and the fixed block (3) is fixedly connected to the right end of the second spring (9), second spring (9) left end fixedly connected with protecting crust (10), protecting crust (10) right-hand member outside sliding connection has casing (1), metal connecting rod (2) left end fixedly connected with connecting axle (15), connecting axle (15) outside intermediate position department fixedly connected with locating plate (16), the fixed cover (17) of locating plate (16) left side fixedly connected with, locating plate (16) outside fixedly connected with metal connecting rod (2), the fixed cover (17) of metal connecting rod (2) left side fixedly connected with, connecting axle (15) left end fixedly connected with measuring stick (14).

2. The circuit verification system of claim 1, wherein: both ends fixedly connected with limit slide (11) about protective housing (10) right side, protective housing (10) are through limit slide (11) and casing (1) sliding connection, limit slide (11) right side fixedly connected with fixture block (13), limit slide (11) outside fixedly connected with second button (12).

3. The circuit verification system of claim 1, wherein: and a second fixing groove (20) is formed in the inner side of the metal connecting rod (2) at the position of the outer side of the right end of the connecting shaft (15).

4. The circuit verification system of claim 1, wherein: and a positioning groove (19) is formed in the inner side of the metal connecting rod (2) at the position outside the positioning plate (16).

5. The circuit verification system of claim 1, wherein: the inner side of the metal connecting rod (2) at the outer side position of the right end of the fixed sleeve (17) is provided with a first fixed groove (18).