CN210323180U

CN210323180U - Special test pencil for electrician

Info

Publication number: CN210323180U
Application number: CN201920860137.2U
Authority: CN
Inventors: 丁云磊
Original assignee: Fujian Bojin Education Technology Co Ltd
Current assignee: Fujian Bojin Education Technology Co Ltd
Priority date: 2019-06-10
Filing date: 2019-06-10
Publication date: 2020-04-14
Anticipated expiration: 2029-06-10

Abstract

The utility model relates to the technical field of test pencil, in particular to a special test pencil for electricians, which comprises a main shell, wherein the circumference outer wall of the main shell is fixedly sleeved with an anti-skid sleeve, the inside of the main shell is fixedly provided with an inner cavity, the bottom of the main shell is fixedly connected with a metal end cover, the middle part of the top wall of the metal end cover is fixedly connected with a spring connector, the inside bottom of the inner cavity is fixedly provided with a battery, the inside of the inner cavity is positioned above the battery and is fixedly provided with a circuit board, the inside of the inner cavity is positioned above the circuit board and is fixedly provided with a neon tube, the inside of the inner cavity is positioned at the top of the neon tube and is fixedly provided with a resistor, the top of the resistor is fixedly connected with a test pole, the top end of the test pole is fixedly provided with a cutter body probe, the overall structure is simple, the use is convenient, the practicability is strong, and certain use value and popularization value are achieved.

Description

Special test pencil for electrician

Technical Field

The utility model relates to a test pencil technical field specifically is a special test pencil of electrician.

Background

The basic function of the test pencil is used for testing whether the wire is electrified or not, a neon bulb is arranged in the pencil body, if the neon bulb shines during testing, the lead is electrified or is a live wire, the pen point and the pen tail in the test pencil are made of metal materials, and the pen holder is made of insulating materials.

The test pencil (also called as a test pencil) is one of the common tools for electricians, and is used for judging whether an object is electrified or not, the test range of the test pencil is 60-500V, the test pencil is in a steel pencil type and a screwdriver type, and consists of a neon tube (commonly called as neon bulb), a resistor, a spring and the like.

The test pencil functional structure on the existing market differs a little, lacks novel structural design, and the shell structure is easy smooth to current test pencil does not generally set up the protective structure to the nib. Therefore, a special test pencil for electricians is needed to solve the defects in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special test pencil of electrician 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 utility model provides a special test pencil of electrician, includes the main casing body, the fixed antiskid cover that has cup jointed of circumference outer wall of the main casing body, the fixed interior cavity that is equipped with in inside of the main casing body, the bottom fixedly connected with metal end cover of the main casing body, the roof middle part fixedly connected with spring coupling spare of metal end cover, the inside bottom mounting of interior cavity is equipped with the battery, the inside of interior cavity is located the fixed circuit board that is equipped with in top of battery, the inside of interior cavity is located the fixed neon tube that is equipped with in top of circuit board, the inside of interior cavity is located the fixed resistance that is equipped with in top of neon tube, the top fixedly connected with pole of resistance, the top of pole is fixed to be equipped with the cutter body probe, the top circumference outer wall of pole is fixed to be equipped with the loop bar, the roof of loop bar is fixed to be, the inner wall fixedly connected with noose of first connecting piece, the one end fixedly connected with second connecting piece that first connecting piece was kept away from to the noose, the diapire fixedly connected with screw cap of second connecting piece, the fixed transparent window that is equipped with in circumference outer wall top of the main casing body.

Preferably, the metal end cover is respectively in contact and electrical connection with the spring connecting piece, the battery, the circuit board, the neon tube, the resistor, the power measuring rod and the cutter body probe.

Preferably, the anti-slip sleeve is sleeved on the circumferential outer wall of the main shell, and the anti-slip sleeve is an anti-slip rubber sleeve.

Preferably, the inner circumferential wall of the threaded cap is fixedly provided with an internal threaded interface adapted to the threaded interface.

Preferably, the interior of the screw cap is of a hollow structure, and the inner size of the screw cap is slightly larger than that of the cutter body probe.

Preferably, the transparent window is located at a position corresponding to the neon tube.

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

1. the utility model discloses in, cup joint in the circumference outer wall of the main casing body through the antiskid cover that sets up, and the antiskid cover is the anti-skidding rubber sleeve to this electrician can be more in the same direction as hand when using, provides comparatively practical structure by a simple antiskid cover, and it is also very convenient to install, and the practicality is stronger.

2. The utility model discloses in, the outside protective structure of the adaptation connection that constitutes through the hickey that sets up and first connecting piece, noose, second connecting piece, screw cap can keep apart the cutter body probe of test pencil when idle, and it is convenient to dismantle, and it is very convenient to use.

3. The utility model discloses in, overall structure through setting up is comparatively simple, has solved some weak points that exist among the prior art to the principle is comparatively simple, easily realizes, has certain use value and spreading value.

Drawings

Fig. 1 is a front view of the overall structure of the present invention in its original state;

FIG. 2 is a front sectional view of the overall structure of the present invention with an external protection structure;

FIG. 3 is an enlarged view of the portion A of FIG. 2;

fig. 4 is an enlarged view of the connection structure of the connection member and the screw cap.

In the figure: the device comprises a main shell 1, an anti-skid sleeve 2, an inner cavity 3, a metal end cover 4, a spring connector 5, a battery 6, a circuit board 7, a neon tube 8, a resistor 9, a power measuring rod 10, a cutter body probe 11, a loop bar 12, a threaded interface 13, a first connector 14, a loop rope 15, a second connector 16, a threaded cap 17 and a transparent window 18.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

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

a special test pencil for electricians comprises a main shell 1, an anti-slip sleeve 2 is fixedly sleeved on the circumferential outer wall of the main shell 1, the anti-slip sleeve 2 is an anti-slip rubber sleeve, so that electricians can use the special test pencil more conveniently, a simple anti-slip sleeve 2 provides a practical structure, the installation is very convenient and fast, and the practicability is high, an inner cavity 3 is fixedly arranged in the main shell 1, a metal end cover 4 is fixedly connected to the bottom end of the main shell 1, a spring connecting piece 5 is fixedly connected to the middle of the top wall of the metal end cover 4, a battery 6 is fixedly arranged at the inner bottom end of the inner cavity 3, a circuit board 7 is fixedly arranged above the battery 6 in the inner cavity 3, a neon tube 8 is fixedly arranged above the circuit board 7 in the inner cavity 3, a resistor 9 is fixedly arranged at the top, the top of the resistor 9 is fixedly connected with a test pole 10, the top end of the test pole 10 is fixedly provided with a cutter body probe 11, the circumferential outer wall of the top end of the test pole 10 is fixedly provided with a loop bar 12, the top wall of the loop bar 12 is fixedly provided with a threaded connector 13, one side wall of the loop bar 12 is fixedly connected with a first connecting piece 14, the inner wall of the first connecting piece 14 is fixedly connected with a loop rope 15, one end of the loop rope 15 far away from the first connecting piece 14 is fixedly connected with a second connecting piece 16, the bottom wall of the second connecting piece 16 is fixedly connected with a threaded cap 17, and through an adaptive connection external protection structure formed by the arranged threaded connector 13, the first connecting piece 14, the loop rope 15, the second connecting piece 16 and the threaded cap 17, the cutter body probe 11 of the test pencil can be isolated when the test pencil is idle, the disassembly is convenient and the use is very convenient, the circumferential outer wall top, the method solves the defects in the prior art, has a simple principle, is easy to realize, and has certain use value and popularization value.

The utility model discloses the theory of operation: during the use, through with screw cap 17 anticlockwise rotation, with this screw cap 17 from screwed joint 13 top spin transfer, electrician alright through the position of handheld antiskid cover 2, and contradict on metal end cover 4 through a finger, then make cutter body probe 11 contact to the region of awaiting measuring electricity, when electric, neon 8 can send light and shine, and the light that neon 8 distributed sees through transparent window 18 and observes wantonly, electrician covers one end cover on cutter body probe 11 with screw cap 17 through hole after using the completion, and clockwise rotation makes the inner wall threaded connection of screw cap 17 in screwed joint 13, cover cutter body probe 11 inside with this, accomplish whole work of this test pencil finally.

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. The utility model provides a special test pencil of electrician, includes main casing body (1), its characterized in that: the fixed antiskid cover (2) that has cup jointed of circumference outer wall of main casing body (1), the fixed interior cavity (3) that is equipped with in inside of main casing body (1), the bottom fixedly connected with metal end cover (4) of main casing body (1), the roof middle part fixedly connected with spring coupling spare (5) of metal end cover (4), the fixed battery (6) that is equipped with in inside bottom of interior cavity (3), the inside of interior cavity (3) is located the fixed circuit board (7) that is equipped with in top of battery (6), the inside of interior cavity (3) is located the fixed neon tube (8) that is equipped with in top of neon tube (8), the top fixedly connected with of resistance (9) surveys pole (10), the top of surveying pole (10) is fixed and is equipped with cutter body probe (11), survey fixed loop bar (12) that is equipped with in top circumference outer wall of pole (10), the roof of loop bar (12) is fixed and is equipped with hickey (13), the first connecting piece (14) of one side lateral wall fixedly connected with of loop bar (12), the inner wall fixedly connected with noose (15) of first connecting piece (14), the one end fixedly connected with second connecting piece (16) of first connecting piece (14) are kept away from in noose (15), the diapire fixedly connected with screw cap (17) of second connecting piece (16), the fixed transparent window (18) that is equipped with in circumference outer wall top of the main casing body (1).

2. The special test pencil of claim 1, characterized in that: the metal end cover (4) is respectively in contact and electric connection with the spring connecting piece (5), the battery (6), the circuit board (7), the neon tube (8), the resistor (9), the electricity measuring rod (10) and the cutter body probe (11).

3. The special test pencil of claim 1, characterized in that: the anti-slip sleeve (2) is sleeved on the outer wall of the circumference of the main shell (1), and the anti-slip sleeve (2) is an anti-slip rubber sleeve.

4. The special test pencil of claim 1, characterized in that: the inner circumferential wall of the threaded cap (17) is fixedly provided with an internal threaded interface matched with the threaded interface (13).

5. The special test pencil of claim 1, characterized in that: the interior of the screw cap (17) is of a hollow structure, and the size of the interior of the screw cap (17) is slightly larger than that of the cutter body probe (11).

6. The special test pencil of claim 1, characterized in that: the transparent window (18) is positioned corresponding to the neon tube (8).