CN214097606U

CN214097606U - Multifunctional test pencil

Info

Publication number: CN214097606U
Application number: CN202022377418.8U
Authority: CN
Inventors: 陈伟伟
Original assignee: Irico Hefei LCD Glass Co Ltd
Current assignee: Irico Hefei LCD Glass Co Ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-08-31
Anticipated expiration: 2030-10-22

Abstract

The utility model belongs to the technical field of electric power detection, in particular to a multifunctional test pencil, wherein a blowing unit is arranged on a test pencil body; the test pencil body comprises a pencil shell, a pencil point, a pencil tail and an observation window; the pen point is arranged at one end of the pen shell; the pen tail is arranged at the other end of the pen shell; the observation window is arranged inside the pen shell; the blowing unit comprises a protective shell, a pressing component, an air bag, a one-way valve, an air guide pipe, a dust screen and a one-way air nozzle; the protective shell is fixedly connected to the side wall of the pen shell; the pressing component is arranged inside the protective shell; the air bag is arranged inside the protective shell; the air bag is arranged between the side wall of the pen shell and the pressing assembly; the one-way valve is communicated with one side of the air bag; through being equipped with the unit of blowing, can blow the clearance to its surface when needing to detect position department and having more dust, avoid because of needing to detect the nonstandard problem of testing result that position dust is too much and lead to, promote personnel's operation security moreover.

Description

Multifunctional test pencil

Technical Field

The utility model belongs to the technical field of the electric power detects, specific multi-functional test pencil that says so.

Background

The test pencil is also called test pencil, which is called test pencil for short. The testing tool is an electrician tool and is used for testing whether the electric wire is electrified or not. The pen body is provided with a neon bulb, and if the neon bulb shines during testing, the neon bulb indicates that the lead is electrified 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, a user must touch a metal part at the tail end of the test pencil by hands, otherwise, as a charged body, the test pencil, a human body and the ground do not form a loop, neon bulbs in the test pencil cannot emit light to cause misjudgment, and the charged body is considered to be uncharged; however, in the working environment of blank house decoration, a large amount of dust is accumulated on most patch boards and the surfaces of the leads, so that the pen point of the test pencil cannot directly contact the lead to be measured, great trouble is caused to the measurement process, and therefore the multifunctional test pencil is provided.

SUMMERY OF THE UTILITY MODEL

In order to compensate prior art's not enough, during the solution met the operational environment of blank room fitment, most wiring board on with the wire surface have a large amount of dust accumulations, and then can lead to the unable direct contact of test pencil nib to the problem on the wire that needs the measurement, the utility model provides a multi-functional test pencil.

The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to a multifunctional test pencil, which comprises a test pencil body and an air blowing unit; the air blowing unit is arranged on the test pencil body; the test pencil body comprises a pencil shell, a pencil point, a pencil tail and an observation window; the pen point is arranged at one end of the pen shell; the pen tail is arranged at the other end of the pen shell; the observation window is arranged inside the pen shell; the blowing unit comprises a protective shell, a pressing component, an air bag, a one-way valve, an air guide pipe, a dust screen and a one-way air nozzle; the protective shell is fixedly connected to the side wall of the pen shell; the pressing component is arranged inside the protective shell; the air bag is arranged inside the protective shell; the air bag is arranged between the side wall of the pen shell and the pressing assembly; the one-way valve is communicated with one side of the air bag; the dust screen is arranged on one side of the protective shell; the one-way air nozzle is arranged at one end of the pen shell far away from the pen tail; the air duct is communicated between the air bag and the one-way air nozzle; the pressing assembly comprises a first groove, a button, a pressing plate and a spring; the first open slot is formed in one side of the protective shell; the button is connected inside the first open groove in a sliding mode; the pressing plate is fixedly connected to one side, close to the pen shell, of the button; the spring is arranged inside the protective shell; one end of the spring is fixedly connected to the side wall of the pen shell; the other end of the spring is fixedly connected with the side wall of the pressing plate; when needs use the test pencil body, hold the pen shell with the hand earlier, when having more dust impurity on meetting the wire that needs the measurement, just can press the button, through pressing the clamp plate extrusion gasbag, beat gaseous one-way jet-propelled head department through the air duct, and then blast the wire, when having more impurity on having avoided the wire, to the problem that its measuring result influences, the operation safety when also having promoted the measurement by a wide margin.

Preferably, the side wall of the pen shell is provided with an anti-falling unit; the anti-falling unit comprises a lantern ring, a fixed rod, a rotating ring and a fixed seat; the fixed seat is fixedly connected to the side wall of the pen shell; the rotating ring is rotationally connected to the fixed seat; the fixed rod is rotationally connected to the rotating ring; the lantern ring is fixedly connected to the fixed rod; when the test pencil body is used, the lantern ring can be sleeved on a finger, and then the button can be pressed at one side; the pen tail is pressed on one side, so that the convenience in use is improved, and the condition that the test pencil is easy to fall off in use is avoided.

Preferably, the protective shell is provided with a second open slot; the dustproof net is fixedly connected inside the second open groove; the end part of the pen shell is provided with a through hole; the one-way air nozzle is fixedly connected inside the through hole.

The utility model has the advantages that:

1. the utility model provides a multi-functional test pencil through being equipped with the unit of blowing, can blow the clearance to its surface when needing detection position department to have more dust, avoids because of needing the detection result nonstandard problem that the detection position dust is too much and lead to, promotes personnel's operation security moreover.

2. The utility model discloses in, through setting up the anti-drop unit, can be in the detection operation in-process with the test pencil cover on the finger, avoid blowing the unit during operation, the condition that the test pencil drops further increases the operation security, increases the convenient to use nature of test pencil.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a perspective view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

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

FIG. 4 is an enlarged view of a portion of FIG. 2 at B;

FIG. 5 is an enlarged view of a portion of FIG. 2 at C;

illustration of the drawings:

1. a test pencil body; 11. a pen shell; 12. a pen point; 13. a pen tail; 14. an observation window; 2. a blowing unit; 21. protecting the shell; 22. a pressing assembly; 221. a first slot; 222. a button; 223. a pressing plate; 23. an air bag; 24. a one-way valve; 25. an air duct; 26. a dust screen; 261. a second slot; 27. a one-way showerhead; 271. a through hole; 3. an anti-drop unit; 31. a collar; 32. fixing the rod; 33. rotating the ring; 34. a fixed seat.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Specific examples are given below.

Referring to fig. 1 to 5, the present invention provides a multifunctional test pencil, which comprises a test pencil body 1 and an air blowing unit 2; the air blowing unit 2 is arranged on the test pencil body 1; the test pencil body 1 comprises a pencil shell 11, a pencil point 12, a pencil tail 13 and an observation window 14; the pen point 12 is arranged at one end of the pen shell 11; the pen tail 13 is arranged at the other end of the pen shell 11; the observation window 14 is arranged inside the pen shell 11; the blowing unit 2 comprises a protective shell 21, a pressing component 22, an air bag 23, a one-way valve 24, an air duct 25, a dust screen 26 and a one-way air nozzle 27; the protective shell 21 is fixedly connected to the side wall of the pen shell 11; the pressing component 22 is arranged inside the protective shell 21; the air bag 23 is arranged inside the protective shell 21; the air bag 23 is arranged between the side wall of the pen shell 11 and the pressing component 22; the one-way valve 24 is communicated with one side of the air bag 23; the dust screen 26 is arranged on one side of the protective shell 21; the one-way air nozzle 27 is arranged at one end of the pen shell 11 far away from the pen tail 13; the air duct 25 is communicated between the air bag 23 and the one-way air nozzle 27; the pressing assembly 22 comprises a first slot 221, a button 222, a pressing plate 223 and a spring 224; the first slot 221 is formed in one side of the protective shell 21; the button 222 is slidably connected inside the first slot 221; the pressing plate 223 is fixedly connected to the button 222 at a side close to the pen shell 11; the spring 224 is arranged inside the protective shell 21; one end of the spring 224 is fixedly connected to the side wall of the pen shell 11; the other end of the spring 224 is fixedly connected with the side wall of the pressing plate 223; when needs use test pencil body 1, hold a shell 11 with the hand earlier, when having more dust impurity on meetting the wire that needs the measurement, just can press button 222, extrude gasbag 23 through pressing the clamp plate 223, beat gaseous one-way jet-propelled head 27 department through air duct 25, and then blast to the wire, when having more impurity on having avoided the wire, to the problem of its measuring result influence, also promoted the operation safety when measuring by a wide margin.

As an embodiment of the present invention, the anti-falling unit 3 is installed at the side wall of the pen shell 11; the falling off prevention unit 3 comprises a collar 31, a fixing rod 32, a rotating ring 33 and a fixing seat 34; the fixed seat 34 is fixedly connected to the side wall of the pen shell 11; the rotating ring 33 is rotatably connected to the fixed seat 34; the fixed rod 32 is rotatably connected to the rotating ring 33; the lantern ring 31 is fixedly connected to the fixing rod 32; when the test pencil body 1 is used, the lantern ring 31 can be sleeved on a finger, and then the button 222 can be pressed at one side; the pen tail 13 is pressed on one side, so that the convenience in use is improved, and the condition that the test pencil is easy to fall off in use is avoided.

As an embodiment of the present invention, the protective casing 21 is provided with a second slot 261; the dust screen 26 is fixedly connected inside the second slot 261; the end of the pen shell 11 is provided with a through hole 271; the one-way air nozzle 27 is fixedly connected inside the through hole 271.

The working principle is as follows: when the test pencil body 1 needs to be used, the pencil shell 11 is held by hands, when more dust and impurities exist on a lead to be measured, the button 222 can be pressed, the air bag 23 is extruded through the pressing plate 223, gas is blown to the one-way air nozzle 27 through the air duct 25, and then the lead is blasted, so that the problem that when more impurities exist on the lead, the measuring result is influenced is avoided, and the operation safety during measurement is greatly improved; when the test pencil body 1 is used, the lantern ring 31 can be sleeved on a finger, and then the button 222 can be pressed at one side; the pen tail 13 is pressed on one side, so that the convenience in use is improved, and the condition that the test pencil is easy to fall off in use is avoided; when the test pencil body 1 is used, the lantern ring 31 can be sleeved on a finger, and then the button 222 can be pressed at one side; the pen tail 13 is pressed on one side, so that the convenience in use is improved, and the condition that the test pencil is easy to fall off in use is avoided.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. A multifunctional test pencil is characterized in that: comprises a test pencil body (1) and an air blowing unit (2); the air blowing unit (2) is arranged on the test pencil body (1); the test pencil body (1) comprises a pencil shell (11), a pencil point (12), a pencil tail (13) and an observation window (14); the pen point (12) is arranged at one end of the pen shell (11); the pen tail (13) is arranged at the other end of the pen shell (11); the observation window (14) is arranged inside the pen shell (11).

2. The multifunctional test pencil of claim 1, wherein: the blowing unit (2) comprises a protective shell (21), a pressing component (22), an air bag (23), a one-way valve (24), an air duct (25), a dust screen (26) and a one-way air nozzle (27); the protective shell (21) is fixedly connected to the side wall of the pen shell (11); the pressing component (22) is arranged inside the protective shell (21); the air bag (23) is arranged inside the protective shell (21); the air bag (23) is arranged between the side wall of the pen shell (11) and the pressing component (22); the one-way valve (24) is communicated with one side of the air bag (23); the dust screen (26) is arranged on one side of the protective shell (21); the one-way air nozzle (27) is arranged at one end of the pen shell (11) far away from the pen tail (13); the air duct (25) is communicated between the air bag (23) and the one-way air nozzle (27).

3. The multifunctional test pencil of claim 2, wherein: the pressing assembly (22) comprises a first slot (221), a button (222), a pressing plate (223) and a spring (224); the first open slot (221) is formed in one side of the protective shell (21); the button (222) is connected inside the first slot (221) in a sliding manner; the pressing plate (223) is fixedly connected to one side, close to the pen shell (11), of the button (222); the spring (224) is arranged inside the protective shell (21); one end of the spring (224) is fixedly connected to the side wall of the pen shell (11); the other end of the spring (224) is fixedly connected with the side wall of the pressing plate (223).

4. The multifunctional test pencil of claim 3, wherein: the side wall of the pen shell (11) is provided with an anti-falling unit (3); the anti-falling unit (3) comprises a lantern ring (31), a fixing rod (32), a rotating ring (33) and a fixing seat (34); the fixed seat (34) is fixedly connected to the side wall of the pen shell (11); the rotating ring (33) is rotatably connected to the fixed seat (34); the fixed rod (32) is rotationally connected to the rotating ring (33); the lantern ring (31) is fixedly connected to the fixing rod (32).

5. The multifunctional test pencil of claim 4, wherein: a second open slot (261) is formed in the protective shell (21); the dust screen (26) is fixedly connected inside the second slot (261).

6. The multifunctional test pencil of claim 5, wherein: a through hole (271) is formed in the end part of the pen shell (11); the one-way air nozzle (27) is fixedly connected inside the through hole (271).