CN111458557A

CN111458557A - Multifunctional test pencil

Info

Publication number: CN111458557A
Application number: CN202010252978.2A
Authority: CN
Inventors: 毛文毅; 毛昀诺妍
Original assignee: Yinte Electronic Ningbo Co ltd
Current assignee: Yinte Electronic Ningbo Co ltd
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2020-07-28

Abstract

The invention discloses a multifunctional test pencil, which comprises a pencil sleeve, a test pencil head and a circuit board, wherein the pencil sleeve comprises a pencil holder, a pencil head and a pencil head mounting seat, the circuit board is mounted in the pencil holder, the center of the pencil head mounting seat is provided with a rod-shaped jack, the test pencil head is inserted into the pencil head mounting seat, the tail end of the pencil head mounting seat extends into the front end of the pencil holder and is detachably connected with the pencil holder in front of the circuit board, the front end of the pencil head mounting seat is arranged outside the pencil holder, the pencil head is sleeved outside the pencil head mounting seat and is tightly connected with the pencil head mounting seat, and the test pencil head extends out of the pencil head and is tightly locked on the pencil head mounting seat through the pencil head. The test screwdriver head is locked on the screwdriver head mounting seat through the pen head, the test screwdriver head is prevented from being separated from or loosened from the screwdriver head mounting seat, safety accidents and measurement errors caused by falling into an electrified socket are prevented, and the test screwdriver head is convenient to replace through the buckle connection structure of the screwdriver head mounting seat and the pen holder.

Description

Multifunctional test pencil

Technical Field

The invention relates to a test pencil, in particular to a multifunctional test pencil.

Background

At present, the known test pencil has a single function, and generally only has the functions of measuring voltage, switching on and switching off and a micro straight screwdriver. And electrician often still can touch the screwdriver that needs other model tool bits, can touch light not enough in routine inspection and simple and easy maintenance debugging work, and the condition that the environment is dark partially, and multiple instrument is inconvenient to be carried about together, and multiple instrument has and uses alone also inconvenient, takes a lot of work and takes trouble promptly, brings and is inconvenient for work because of carrying and using the simple and easy instrument problem of conventionality.

The conventional test pencil is usually provided with a button battery as a power supply, and the replacement of the battery is inconvenient, so that a multifunctional test pencil is needed to be designed to meet the requirements of a user in operation.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a multifunctional test pencil which has the characteristics of convenience in use and portability.

In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a multi-functional test pencil, includes pen socket, survey electricity batch head and circuit board, its characterized in that: the pen cap comprises a pen holder, a pen point and a batch head mounting seat, the circuit board is mounted in the pen holder, the central part of the batch head mounting seat is provided with a rod-shaped jack, the batch head is plugged in and out of the batch head mounting seat, the tail end of the batch head mounting seat extends into the front end of the pen holder and is arranged in front of the circuit board, and the batch head is detachably connected with the pen holder, the front end of the batch head mounting seat is arranged outside the pen holder, the pen head is sleeved outside the batch head mounting seat and is tightly connected with the batch head mounting seat, and the batch head is extended out of the pen point and is locked on the batch head mounting seat through the pen point.

Furthermore, the front end of the batch head mounting seat comprises an introduction part for introducing the electric batch head and a locking part for being matched and locked with the pen head, a U-shaped opening is formed in the outer peripheral surface of the introduction part towards the introduction port, threads are arranged on the locking part, and a thread groove matched and locked with the locking part is formed in the inner peripheral surface of the pen head.

Furthermore, the rod-shaped jack of the electricity measuring batch head corresponding to the batch head mounting seat is arranged as a rod-shaped batch head, and two ends of the rod-shaped batch head are provided with two cutter heads of different types or the same type and different sizes.

Further, the rod-shaped jack of the batch head mounting seat is polygonal.

Further, still be equipped with L ED pilot lamp that is used for the illumination on the pen cover and be used for the USB interface that charges, L ED pilot lamp all is connected with the circuit board electricity with the USB interface, circuit board control L ED pilot lamp is lighted the time, and when L ED pilot lamp opened and exceeded the default time, circuit board control L ED pilot lamp self-closing.

Further, the top surface of pen-holder is equipped with the fretwork, and covers the function apron at the fretwork mouth, the front end of function apron is equipped with the pothook towards batch first mount pad, the pen-holder passes through the pothook and batches first mount pad joint, be equipped with the night vision display screen of being connected with the circuit board electricity, respond to outage test button, direct detection button and correspond the shift knob of L ED pilot lamp on the function apron.

Furthermore, an indicating lamp mounting hole is formed in the bottom surface of the pen holder corresponding to the L ED indicating lamp, a charging port is formed in the bottom surface of the pen holder corresponding to the USB interface, the indicating lamp mounting hole is located at the front end of the pen holder and vertically corresponds to the mounting position of the switch button, and the charging port is located at the tail end of the pen holder.

Further, the L ED indicator lamp is fixedly installed with the pen holder through a L type fixing frame, and the L ED indicator lamp is arranged towards the front end of the pen holder in an illuminating mode.

Furthermore, a pen clip is further arranged on the bottom surface of the pen holder.

After adopting the structure, compared with the prior art, the invention has the advantages that: the multifunctional test pencil not only can test electricity but also can be used as a screwdriver tool, the screwdriver with two cutters is more convenient to use and carry, has an illumination function and a large night vision display screen, is convenient for a user to operate in a dark environment, and simultaneously adopts USB (universal serial bus) for charging, so that the problem that a common battery is not durable is solved, the battery does not need to be disassembled and replaced, the service life of the test pencil is prolonged, the use safety of the test pencil is improved, the lighting lamp is set to be turned off at regular time, the electricity is saved, and the service life of the battery is prolonged; the test screwdriver head is locked on the screwdriver head mounting seat through the pen head, the test screwdriver head is prevented from being separated from or loosened from the screwdriver head mounting seat, safety accidents and measurement errors caused by falling into an electrified socket are prevented, and the test screwdriver head is convenient to replace through the buckle connection structure of the screwdriver head mounting seat and the pen holder.

Drawings

The invention is further illustrated with reference to the following figures and examples:

FIG. 1 is an exploded view of a multi-functional test pencil of the present embodiment;

fig. 2 is a schematic structural view of a batch head mounting seat in the multifunctional test pencil of the embodiment;

FIG. 3 is a schematic structural diagram of a pen tip of the multifunctional test pencil of the present embodiment;

FIG. 4 is a schematic structural diagram of a functional cover plate in the multifunctional test pencil of the present embodiment;

FIG. 5 is a schematic structural diagram of a pen holder of the multifunctional test pencil of the present embodiment;

FIG. 6 is a schematic structural diagram of a multifunctional test pencil of the present embodiment;

fig. 7 is a schematic view of the structure of fig. 6 from another view angle.

Detailed Description

The following description is only a preferred embodiment of the present invention, and does not limit the scope of the present invention.

Example (b):

see fig. 1-7 for illustration: a multifunctional test pencil comprises a pencil sleeve 100, a test pencil head 200 and a circuit board 300, wherein the pencil sleeve 100 comprises a pencil holder 110, a conical pencil head 120 and a pencil head mounting seat 130 which are approximately elliptical and have a flat structure, the circuit board 300 is mounted in the pencil holder 110, a rod-shaped hexagonal jack 131 is arranged in the center of the pencil head mounting seat 130, the test pencil head 200 is inserted into the pencil head mounting seat 130 in a plugging manner, the polygonal jack 133 prevents the test pencil head 200 from slipping in the jack 131, the tail end of the pencil head mounting seat 130 extends into the front end of the pencil holder 110 and is arranged in front of the circuit board 300 and is detachably connected with the pencil holder 110, the front end of the pencil head mounting seat 130 is arranged outside the pencil holder 110, the pencil head 120 is sleeved outside the pencil head mounting seat 130 and is connected with the pencil head mounting seat 130 in a locking manner, the test pencil head 200 extends out of the pencil head 120 and is locked on the pencil head mounting seat 130 through the pencil head 120, and after the, the tail end of the pen head 120 is in contact with the front end of the pen holder 110, so that the batch head mounting seat 130 is hidden inside the structure connecting the pen head 120 and the pen holder 110, and the structure of the test pencil looks more integral and beautiful.

In this embodiment, the front end of the test batch head mounting base 130 includes an introduction portion 131 for introducing the test batch head 200 and a locking portion 132 for locking with the pen head 120 in a matching manner, a U-shaped opening 134 is formed in the outer peripheral surface of the introduction portion 131 toward the introduction port, the introduction portion 131 of the batch head mounting base 130 is made of a material having a certain expansibility, the U-shaped opening 134 is configured to make the introduction portion 131 more easily expandable, the front end of the introduction portion 131 tends to gradually reduce the introduction port, after the test batch head 200 is inserted into the batch head mounting base 130, a certain clamping effect is achieved, the locking portion 132 is provided with a thread, the inner peripheral surface of the pen head 120 is provided with a thread groove 121 locked in a matching manner with the locking portion 132, the pen head 120 is gradually threaded from the front end of the batch head mounting base 130, the test batch head 200 penetrates out of the front end of the conical pen head 120 and is completely fastened to the batch head mounting base 130, and the test batch head 200 does not slide or fall off, the safety of use is improved.

The 130 rod-shaped insertion holes 133 of the electricity measuring screwdriver bit 200 corresponding to the screwdriver bit mounting base are rod-shaped screwdriver bits, two ends of each rod-shaped screwdriver bit are tool bits of two different types or the same type and different sizes, the electricity measuring screwdriver bit in the embodiment is a straight tool bit, and the other end of each electricity measuring screwdriver bit is a cross tool bit. The screwdriver head with two kinds of tool bits combination has solved another kind of screwdriver function of user's electricity testing in-process, has avoided the user to hand-carry multiple screwdriver instrument, to the current screwdriver head of being equipped with different tool bits simultaneously, has reduced the volume of whole test pencil, need not set up two above screwdriver head mount pads in order to adapt to two kinds of tool bits.

The test pencil of this embodiment still has illumination and USB function of charging, therefore the pen socket 100 still is equipped with L ED pilot lamp 400 and the USB interface 500 that is used for charging that are used for the illumination in this embodiment, L ED pilot lamp 400 all is connected with circuit board 300 with USB interface 500 electricity, circuit board 300 control L ED pilot lamp 400 lamp is bright time, it is set up in this embodiment to turn on when L ED pilot lamp 400 exceeds three minutes, circuit board 300 control L ED pilot lamp 400 is automatic to be closed, prevent that the user from forgetting to close L ED pilot lamp, cause the continuous loss of battery.

In this embodiment, the top surface of the pen holder 110 is hollowed, and the hollowed opening is covered with the functional cover plate 140, the front end of the functional cover plate 140 is vertically provided with a hook 141 facing the batch head mounting base, the batch head mounting base 130 is provided with a hook opening 135 for the hook 141 to extend into, the pen holder 110 is clamped with the batch head mounting base 130 through the hook 141, the edge of the functional cover plate 140 is provided with a plurality of plug pins 142, the plug pins are firmly inserted into the pen holder 110, the functional cover plate 140 is sequentially provided with a switch button 900 corresponding to the L ED indicator lamp 400 from the front end to the rear end, the night vision display screen 600 electrically connected with the circuit board 300, the induction breakpoint test button 700 and the direct detection button 800, the screen size of the night vision display screen 600 is larger than that of a common digital display screen, so that the observation is convenient, and more detection data can be intelligently embodied, the switch button 900 can also be combined with a neon bulb, and the neon bulb directly reflects the measurement effect during the.

The bottom surface of the pen holder 110 is provided with an indicator lamp mounting hole 111 corresponding to the L ED indicator lamp 400, a charging port 113 corresponding to the USB interface 500 is provided, and a pen clip 112 is further provided on the bottom surface of the pen holder 110 for facilitating carrying, the indicator lamp mounting hole 111 is located at the front end of the pen holder 110 and vertically corresponds to the mounting position of the switch button 900, the charging port 113 is located at the tail end of the pen holder 110, the L ED indicator lamp 400 is fixedly mounted with the pen holder 110 through a L type fixing frame 410, and the L ED indicator lamp 400 is arranged towards the front end of the pen holder 110 for lighting.

The multi-functional test pencil that this embodiment provided not only has combined the illumination function and has still provided the USB function of charging and has designed the structure that can quick replacement survey electricity wholesale head, has made things convenient for electrician's use in conventional inspection and simple and easy maintenance debugging work, and test pencil overall structure is small and exquisite, conveniently carries.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a multi-functional test pencil, includes pen socket, survey electricity batch head and circuit board, its characterized in that: the pen cap comprises a pen holder, a pen point and a batch head mounting seat, the circuit board is mounted in the pen holder, the central part of the batch head mounting seat is provided with a rod-shaped jack, the batch head is plugged in and out of the batch head mounting seat, the tail end of the batch head mounting seat extends into the front end of the pen holder and is arranged in front of the circuit board, and the batch head is detachably connected with the pen holder, the front end of the batch head mounting seat is arranged outside the pen holder, the pen head is sleeved outside the batch head mounting seat and is tightly connected with the batch head mounting seat, and the batch head is extended out of the pen point and is locked on the batch head mounting seat through the pen point.

2. The multifunctional test pencil of claim 1, wherein: the front end of the batch head mounting seat comprises a leading-in part and a locking part, wherein the leading-in part is used for leading in the electric batch head, the locking part is used for being matched and locked with the pen point, a U-shaped opening is formed in the outer peripheral surface of the leading-in part towards the leading-in opening, threads are arranged on the locking part, and a thread groove matched and locked with the locking part is formed in the inner peripheral surface of the pen point.

3. The multifunctional test pencil of claim 1, wherein: the electricity measuring screwdriver head is provided with a rod-shaped screwdriver head corresponding to the rod-shaped jack of the screwdriver head mounting seat, and two ends of the rod-shaped screwdriver head are provided with two different types or tool bits of the same type and different sizes.

4. The multifunctional test pencil of claim 1, wherein: the rod-shaped jack of the batch head mounting seat is polygonal.

5. The multifunctional test pencil of claim 1, wherein the pencil cap is further provided with an L ED indicator light for illumination and a USB interface for charging, the L ED indicator light and the USB interface are both electrically connected with the circuit board, the circuit board controls the L ED indicator light to be on for a time, and when the L ED indicator light is on for more than a preset time, the circuit board controls the L ED indicator light to be automatically turned off.

6. The multifunctional test pencil of claim 5, wherein the top surface of the pencil shaft is hollowed, and a functional cover plate covers the hollowed opening, the front end of the functional cover plate is provided with a hook facing the batch head mounting seat, the pencil shaft is clamped with the batch head mounting seat through the hook, and the functional cover plate is provided with a night vision display screen, an inductive power-off test button, a direct test button and a switch button corresponding to L ED indicator light, which are electrically connected with the circuit board.

7. The multifunctional test pencil of claim 6, wherein an indicator lamp mounting hole is formed on the bottom surface of the pencil shaft corresponding to the L ED indicator lamp, a charging port is formed corresponding to the USB interface, the indicator lamp mounting hole is formed at the front end of the pencil shaft and vertically corresponds to the mounting position of the switch button, and the charging port is formed at the rear end of the pencil shaft.

8. The multifunctional test pencil of claim 7, wherein the L ED indicator light is fixedly mounted on the pencil shaft via a L type fixing frame, and the L ED indicator light is arranged to illuminate toward the front end of the pencil shaft.

9. The multifunctional test pencil of claim 1, wherein: the bottom surface of the pen holder is also provided with a pen clip.