CN218917493U

CN218917493U - Multifunctional test pencil

Info

Publication number: CN218917493U
Application number: CN202222987252.0U
Authority: CN
Inventors: 刘海
Original assignee: Shenzhen Jinghailiang Electronic Technology Co ltd
Current assignee: Shenzhen Jinghailiang Electronic Technology Co ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-04-25
Anticipated expiration: 2032-11-10

Abstract

The utility model discloses a multifunctional test pencil, which belongs to the field of test pencil, and comprises a test pencil body, wherein an illumination mechanism is arranged outside the test pencil body and comprises a button battery seat, a button battery cover, an annular shell, an annular circuit board and LED lamp beads, the test pencil body is conveniently installed and disassembled through the arranged illumination mechanism, the illumination effect on a detection part can be provided when equipment is subjected to electric leakage detection in a dark environment, an illumination workpiece is not needed, so that the detection operation of the equipment by a user through the test pencil body is simplified and facilitated, meanwhile, after a protective sleeve is sleeved on the lower end part of the test pencil body in a clamping sleeve mode, the metal probe rod of the test pencil body can be prevented from being exposed to the outside, the metal probe rod is prevented from being damaged in the process of transporting and carrying the test pencil body, and the test pencil body is further multifunctional.

Description

Multifunctional test pencil

Technical Field

The utility model relates to the field of test pencil, in particular to a multifunctional test pencil.

Background

The test pencil is also called a test pencil, and is called a test pencil for short. Is an electrical tool for testing whether a wire is charged. The pen body is provided with a neon bulb, and if the neon bulb emits light during testing, the lead is provided with electricity or is a fire wire of a passage. The pen point and the pen tail of the test pencil are made of metal materials, and the pen holder is made of insulating materials. When the test pencil is used, the metal part at the tail end of the test pencil is necessarily touched by hands, otherwise, because a loop is not formed between a charged body, the test pencil, a human body and the ground, neon bubbles in the test pencil cannot emit light, erroneous judgment is caused, and the charged body is considered to be uncharged.

In the prior art, most of test pencil lacks the safeguard function, and the metal probe rod of test pencil is exposed outside completely when not using, leads to test pencil in transportation and carrying the in-process metal probe rod receive external force to break easily, and simultaneously, traditional test pencil only possesses simple test function, when carrying out the electric leakage detection to equipment under dark environment, need use illumination means such as flashlight to carry out the illumination to equipment detection position, so not only brought trouble for electrician's operation, has certain potential safety hazard moreover.

Disclosure of Invention

The utility model mainly aims to provide a multifunctional test pencil which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a multifunctional test pencil, includes the test pencil body, the outside of test pencil body is equipped with lighting mechanism, lighting mechanism includes button battery holder, button battery cover, annular shell, annular circuit board and LED lamp pearl, the button battery holder passes through the screw thread end pole fixed connection of bottom at the top surface of test pencil body, and button battery passes through button battery cover fixed connection in the inside of button battery holder, button battery cover fixed connection is at the top surface of button battery holder, and passes through connecting rod fixed connection between annular shell and the button battery holder, annular circuit board fixed connection is in the shell of annular shell, and LED lamp pearl fixed connection is in the bottom of annular circuit board, the bottom of test pencil body still is equipped with protection mechanism, protection mechanism includes protection sleeve, connecting block, compression spring and dop, protection sleeve is established at the bottom position of test pencil body through inside protection chamber cover, and connecting block fixed connection is on the both sides lateral wall of protection sleeve, compression spring fixed connection is in the inside wall of connecting block, and dop fixed connection is at compression spring's front end.

Preferably, the top surface of test pencil body has seted up the screw thread groove, the bottom surface fixed mounting of button battery holder has screw thread end pole, and screw thread end pole carries out threaded connection with the screw thread groove.

Preferably, the button battery is fixedly arranged in the button battery seat, the button battery cover is fixedly arranged on the top surface of the button battery seat and props against the button battery, and the switch button is movably arranged on the front end wall of the button battery seat.

Preferably, the side walls at two sides of the button battery seat are respectively and fixedly provided with a connecting rod, the lower end parts of the side walls of the connecting rods are provided with clamping holes, and the bottom surfaces of the connecting rods are symmetrically and fixedly provided with annular shells.

Preferably, a plurality of through holes are formed in the bottom surface of the annular shell, an annular circuit board is fixedly mounted in the shell of the annular shell, a plurality of LED lamp beads are fixedly mounted on the bottom surface of the annular circuit board, the LED lamp beads protrude out of the through holes, and the annular circuit board, the button battery seat and the switch button are electrically connected.

Preferably, a protection cavity corresponding to the lower end part of the test pencil body is formed in the protective sleeve barrel, connecting blocks are fixedly installed at the upper end parts of the side walls of the two sides of the protective sleeve barrel respectively, grooves are formed in the inner side walls of the connecting blocks, retaining rings are fixedly installed in the notch of the grooves, the compression springs are fixedly installed at the bottoms of the grooves, clamping heads are fixedly installed at the front ends of the compression springs, and the clamping heads penetrate through the retaining rings and are located in the clamping holes.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, through the arranged illumination mechanism, the device is convenient to mount and dismount the test pencil body, and the illumination effect on the detection part can be provided when the device is subjected to electric leakage detection in a dark environment, and an illumination workpiece is not needed, so that the detection operation of a user on the device through the test pencil body is simplified and facilitated, meanwhile, the protective sleeve is sleeved on the lower end part of the test pencil body in a clamping sleeve mode in cooperation with the use of the protective mechanism, the metal probe rod of the test pencil body can be prevented from being exposed to the outside, and the metal probe rod is prevented from being damaged in the process of transporting and carrying the test pencil body, so that the test pencil body is protected, and the test pencil is multifunctional.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram illustrating the overall structure of the present utility model;

FIG. 3 is a schematic view of an illumination mechanism of the present utility model;

fig. 4 is a schematic view of a protection mechanism of the present utility model in a cut-away and disassembled state.

In the figure: 1. a test pencil body; 2. an illumination mechanism; 3. a protective mechanism; 4. a thread groove; 5. a button battery holder; 6. a threaded end rod; 7. a button cell; 8. a button cell cover; 9. a switch button; 10. a connecting rod; 11. a clamping hole; 12. an annular shell; 13. a through hole; 14. an annular circuit board; 15. LED lamp beads; 16. a protective sleeve; 17. a protective cavity; 18. a connecting block; 19. a groove; 20. a baffle ring; 21. a compression spring; 22. a chuck.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, a multifunctional test pencil comprises a test pencil body 1, wherein an illumination mechanism 2 is arranged outside the test pencil body 1, the illumination mechanism 2 comprises a button battery seat 5, a button battery 7, a button battery cover 8, an annular shell 12, an annular circuit board 14 and an LED lamp bead 15, the button battery seat 5 is fixedly connected to the top surface of the test pencil body 1 through a threaded end rod 6 at the bottom end, the button battery 7 is fixedly connected to the inside of the button battery seat 5 through the button battery cover 8, the button battery cover 8 is fixedly connected to the top surface of the button battery seat 5, the annular shell 12 is fixedly connected with the button battery seat 5 through a connecting rod 10, the annular circuit board 14 is fixedly connected to the inside of the shell of the annular shell 12, the LED lamp bead 15 is fixedly connected to the bottom of the annular circuit board 14, the bottom of the test pencil body 1 is further provided with a protection mechanism 3, the protection mechanism 3 comprises a protection sleeve 16, a connecting block 18, a compression spring 21 and a chuck 22, the protection sleeve 16 is sleeved on the two sides of the bottom part of the test pencil body 1 through an internal protection cavity 17, the protection sleeve 18 is fixedly connected to the protection sleeve 16, the compression spring 21 is fixedly connected to the side walls 21, and the compression spring 21 is fixedly connected to the inner side walls 21 in the compression spring 22, and the compression spring 21 are fixedly connected to the inner side walls 21.

As shown in fig. 1-4, in this embodiment, in order to make the test pencil body 1 possess the functions of illumination and protection through the illumination mechanism 2 and the protection mechanism 3, the top surface of the test pencil body 1 is provided with a thread groove 4, the bottom surface of the button battery holder 5 is fixedly provided with a thread end rod 6, the thread end rod 6 is in threaded connection with the thread groove 4, the button battery 7 is fixedly installed inside the button battery holder 5, the button battery cover 8 is fixedly installed on the top surface of the button battery holder 5 and abuts against the button battery 7, the switch button 9 is movably installed on the front end wall of the button battery holder 5, the side walls on two sides of the button battery holder 5 are also fixedly installed with connecting rods 10 respectively, clamping holes 11 are formed in the lower end parts of the side walls of the connecting rods 10, the bottom surface of the symmetrical connecting rods 10 is fixedly provided with an annular shell 12, the bottom surface of the annular shell 12 is provided with a plurality of through holes 13, the annular shell 12 is internally fixedly provided with an annular circuit board 14, the bottom surface of the annular circuit board 14 is fixedly provided with a plurality of LED lamp beads 15, the LED lamp beads 15 protrude from the through holes 13, the button board 14, the side walls are fixedly provided with clamping grooves 19 and the side walls of the connecting rods 19 are correspondingly arranged in the side walls of the connecting rods 19 and the side walls of the connecting rods are fixedly installed in the connecting rods 20, the connecting rods are fixedly arranged in the side walls of the connecting rods 20, the connecting rods are respectively, the connecting rods are fixedly provided with the side walls of the connecting rods 20 and the connecting rods are fixedly arranged at the side walls of the connecting rods 20, and the connecting rods are respectively, and the connecting rods are fixedly arranged at the side wall and the connecting rods are in the side wall 18 and the connecting rods are fixedly connected with the connecting rods and 18 and are fixedly arranged;

the specific operation of the lighting mechanism 2 and the protection mechanism 3 is as follows: firstly, the lighting mechanism 2 is installed on the test pencil body 1, the test pencil body 1 passes through the annular shell 12 during installation, the threaded end rod 6 installed on the bottom surface of the button battery seat 5 is screwed into the threaded groove 4 formed in the top surface of the test pencil body 1, when the test pencil body 1 is used for detecting equipment and lighting is needed, the switch button 9 installed on the front end wall of the button battery seat 5 is manually pressed, the button battery seat 5 supplies power to the annular circuit board 14 installed in the annular shell 12 through the switch button 9, the button battery seat 5 realizes the operation of supplying power to the annular circuit board 14 through the internal button battery 7, the annular circuit board 14 supplies current to the LED lamp beads 15 installed at the bottom and protruding from the through hole 13 formed on the bottom surface of the annular shell 12 after the annular circuit board 14 is electrified, the LED lamp beads 15 provide lighting to the detection part of the equipment, the utility model also can not prevent the normal use of the test pencil body 1 while providing illumination, when the test pencil body 1 is not in use and is carried, the protective sleeve 16 is sleeved at the bottom of the test pencil body 1, the bottom end part of the test pencil body 1 is inserted into the protective cavity 17 of the protective sleeve 16, the connecting blocks 18 arranged at the two sides of the protective sleeve 16 and the connecting rod 10 arranged between the button cell seat 5 and the annular shell 12 are positioned at the same parallel position, when the protective sleeve 16 is sleeved at the lower end part of the test pencil body 1 to a certain extent, the clamp 22 protruding at the inner side of the connecting block 18 is gradually extruded by the outer wall of the annular shell 12 and the outer wall of the connecting rod 10, at the moment, the compression spring 21 arranged in the groove 19 arranged on the inner side wall of the connecting block 18 is retracted, and drive the dop 22 of front end to gradually pass the baffle ring 20 of installing in the recess 19 notch and retract to the recess 19, and make dop 22 support on the outer wall of connecting rod 10, after protection sleeve 16 cover is to test pencil body 1 lower extreme certain degree, dop 22 loses the pressure, compression spring 21 makes and resumes the extension operation, and with dop 22 support into card hole 11, thereby let protection sleeve 16 cover block behind test pencil body 1 on test pencil body 1, and protect the metal probe rod of test pencil body 1 through protection sleeve 16, damage appears in the metal probe rod of test pencil body 1.

The foregoing is only illustrative of the preferred embodiments of the present utility model and, although the present utility model has been described in detail with reference to the foregoing embodiments, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model, and equivalents of the features may be substituted for elements thereof without departing from the true spirit and scope of the utility model.

Claims

1. The utility model provides a multifunctional test pencil, includes test pencil body (1), its characterized in that: the utility model discloses a test pencil, which is characterized in that an illuminating mechanism (2) is arranged outside a test pencil body (1), the illuminating mechanism (2) comprises a button battery seat (5), a button battery (7), a button battery cover (8), an annular shell (12), an annular circuit board (14) and LED lamp beads (15), the button battery seat (5) is fixedly connected to the top surface of the test pencil body (1) through a threaded end rod (6) at the bottom end, the button battery (7) is fixedly connected to the inside of the button battery seat (5) through the button battery cover (8), the button battery cover (8) is fixedly connected to the top surface of the button battery seat (5), the annular shell (12) is fixedly connected with the button battery seat (5) through a connecting rod (10), the annular circuit board (14) is fixedly connected to the inside of the shell of the annular shell (12), the LED lamp beads (15) are fixedly connected to the bottom of the annular circuit board (14), a protection mechanism (3) is further arranged at the bottom of the test pencil body (1), the protection mechanism (3) comprises a protection sleeve (16), a spring (21) and a protection sleeve (17) is arranged at the bottom of the test pencil body (16) through a protection sleeve (17), and connecting block (18) fixed connection is on the both sides lateral wall of protection sleeve (16), compression spring (21) fixed connection is in the inside wall of connecting block (18), and chuck (22) fixed connection is in the front end of compression spring (21).

2. The multifunctional test pencil of claim 1, wherein: the utility model discloses a test pencil, including test pencil body (1), button battery holder (5), screw thread groove (4) have been seted up to the top surface of test pencil body (1), screw thread end pole (6) are fixed mounting in the bottom surface of button battery holder (5), and screw thread end pole (6) carry out threaded connection with screw thread groove (4).

3. The multifunctional test pencil of claim 2, wherein: the button battery (7) is fixedly arranged in the button battery seat (5), the button battery cover (8) is fixedly arranged on the top surface of the button battery seat (5) and props against the button battery (7), and the switch button (9) is movably arranged on the front end wall of the button battery seat (5).

4. A multifunctional test pencil according to claim 3, characterized in that: connecting rods (10) are fixedly mounted on the side walls of the two sides of the button battery seat (5), clamping holes (11) are formed in the lower end portions of the side walls of the connecting rods (10), and annular shells (12) are symmetrically fixedly mounted on the bottom surfaces of the connecting rods (10).

5. The multifunctional test pencil of claim 4, wherein: a plurality of through holes (13) are formed in the bottom surface of the annular shell (12), an annular circuit board (14) is fixedly mounted in the shell of the annular shell (12), a plurality of LED lamp beads (15) are fixedly mounted on the bottom surface of the annular circuit board (14), the LED lamp beads (15) protrude out of the through holes (13), and the annular circuit board (14), the button battery seat (5) and the switch button (9) are electrically connected.

6. The multifunctional test pencil of claim 5, wherein: the utility model discloses a test pencil, including a test pencil body, protection sleeve (16), clamping head (22) and compression spring, protection cavity (17) corresponding with test pencil body (1) lower extreme position has been seted up in the section of thick bamboo of protection sleeve (16), and protection sleeve (16) both sides lateral wall upper end position fixed mounting has connecting block (18) respectively, set up flutedly (19) on the inside wall of connecting block (18), and fixed mounting has baffle ring (20) in the notch of recess (19), compression spring (21) fixed mounting is at the tank bottom of recess (19), and compression spring (21)'s front end fixed mounting has clamping head (22), clamping head (22) pass baffle ring (20) and are located draw-in hole (11).