CN204241546U - A kind of test pencil - Google Patents

A kind of test pencil Download PDF

Info

Publication number
CN204241546U
CN204241546U CN201420757755.1U CN201420757755U CN204241546U CN 204241546 U CN204241546 U CN 204241546U CN 201420757755 U CN201420757755 U CN 201420757755U CN 204241546 U CN204241546 U CN 204241546U
Authority
CN
China
Prior art keywords
test pencil
pencil body
conducting rod
test
connecting sheet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420757755.1U
Other languages
Chinese (zh)
Inventor
刘继军
郑路
吕玲玲
郭欢
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongzhou University
Original Assignee
Zhongzhou University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhongzhou University filed Critical Zhongzhou University
Priority to CN201420757755.1U priority Critical patent/CN204241546U/en
Application granted granted Critical
Publication of CN204241546U publication Critical patent/CN204241546U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a kind of test pencil, comprise test pencil body, and the first conducting rod be arranged on test pencil body, and the current-limiting resistance be arranged on test pencil body, and the neon bulb be arranged on test pencil body, and the hand touched electrode block be arranged on test pencil body, and be arranged on test pencil body for ejecting the ejecting mechanism of the first conducting rod, current-limiting resistance and neon bulb are installed in test pencil body, current-limiting resistance is connected with neon bulb, current-limiting resistance side is connected with the second conducting rod, second conducting rod is provided with the second power connecting sheet, first conducting rod is provided with the first power connecting sheet, ejecting mechanism is provided with the bonding conductor for connecting the first power connecting sheet and the second power connecting sheet, neon bulb afterbody is connected with conducting block, conducting block is connected with the 3rd conducting rod.Its structure is simple, uses, easy for installation, simple to operate, laborsaving, and cost is low, and control effects is good, and metal contact protected effect is good, applied widely, long service life, has safe and reliable effect.

Description

A kind of test pencil
Technical field
The utility model relates to a kind of test pencil.
Background technology
At present, electrician in power construction process and people when life staying idle at home repair circuit, whether usual use test pencil carrys out judgment object charged, common test pencil generally comprises the structures such as test contact, neon tube, resistance, spring, hand touched electrode, and test contact, neon tube, resistance, spring and hand touched electrode are connected in series.During use, after test contact contacts with object under test, use hand over hand touched electrode, object under test passes through test pencil, forms a potential difference (PD) between human body and the earth, produces electric field, and the neon tube in test pencil will be luminous under electric field action.If neon tube luminous, illustrate that this object under test is charged, and this test lead is live wire; If neon tube is not luminous, then illustrate that not charged or this test lead of this object under test is zero line.But there is following defect: outside the test metal contact of test pencil is exposed to completely, in transport and carrying process, test metal contact easily fractures, and this understands bring certain loss to user.
Summary of the invention
It is simple that the technical problems to be solved in the utility model is to provide a kind of structure, uses, easy for installation, simple to operate, laborsaving, and cost is low, and control effects is good, and metal contact protected effect is good, applied widely, long service life, has the test pencil of safe and reliable effect.
For solving the problem, the utility model adopts following technical scheme:
A kind of test pencil, comprise test pencil body, and the first conducting rod be arranged on test pencil body, and the current-limiting resistance be arranged on test pencil body, and the neon bulb be arranged on test pencil body, and the hand touched electrode block be arranged on test pencil body, and be arranged on test pencil body for ejecting the ejecting mechanism of the first conducting rod, described current-limiting resistance and neon bulb are installed in test pencil body, described current-limiting resistance is connected with neon bulb, described current-limiting resistance side is connected with the second conducting rod, described second conducting rod is provided with the second power connecting sheet, described first conducting rod is provided with the first power connecting sheet, described ejecting mechanism is provided with the bonding conductor for connecting the first power connecting sheet and the second power connecting sheet, described neon bulb afterbody is connected with conducting block, described conducting block is connected with the 3rd conducting rod, described test pencil body afterbody is provided with a groove, described hand touched electrode block is embedded in groove.
As preferred technical scheme, described ejecting mechanism forms by ejecting button, knock-pin and push rod, described push rod is provided with the first fixed head, the second fixed head is provided with in described test pencil body, described push rod runs through the second fixed head and arranges, push rod between described first fixed head and the second fixed head is provided with back-moving spring, and described knock-pin is hinged in test pencil body, and offsets with bonding conductor.
As preferred technical scheme, described groove inner wall is provided with jump ring, and described hand touched electrode block is provided with the draw-in groove matched with described jump ring, and described hand touched electrode block and the 3rd conducting rod offset.
As preferred technical scheme, described test pencil body portion is provided with fixed block and the shell for the protection of the first conducting rod, and described first conducting rod front end is provided with metal contact.
As preferred technical scheme, described test pencil body is provided with an arc groove, described in eject button and be arranged on arc groove place.
As preferred technical scheme, the outside surface of described test pencil body is provided with anti-slip veins.
The beneficial effect of a kind of test pencil of the utility model is: during use, by the vibrational power flow of set ejecting mechanism, when needs use test pencil, operating personnel pin and eject button, and the first power connecting sheet, bonding conductor are connected successively with the second power connecting sheet, and metal contact is contacted with object under test, palm contacts with hand touched electrode, object under test passes through test pencil, forms a potential difference (PD) between human body and the earth, produce electric field, the neon tube in test pencil will be luminous under electric field action; If neon tube luminous, illustrate that this object under test is charged, and this test lead is live wire; If neon tube is not luminous, then illustrates that not charged or this test lead of this object under test is zero line, by set shell, effectively can protect metal contact, prevent metal contact in transport and carrying process, occur breakage phenomenon.Its structure is simple, uses, easy for installation, simple to operate, laborsaving, and cost is low, and control effects is good, and metal contact protected effect is good, applied widely, long service life, has safe and reliable effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of test pencil of the utility model;
Fig. 2 is the ejecting mechanism structural drawing of a kind of test pencil of the utility model.
Embodiment
Consult a kind of test pencil shown in Fig. 1 and Fig. 2, comprise test pencil body 1, and the first conducting rod 2 be arranged on test pencil body 1, and the current-limiting resistance 3 be arranged on test pencil body 1, and the neon bulb 4 be arranged on test pencil body 1, and the hand touched electrode block 5 be arranged on test pencil body 1, and be arranged on test pencil body 1 for ejecting the ejecting mechanism 6 of the first conducting rod 2, described current-limiting resistance 3 and neon bulb 4 are installed in test pencil body 1, described current-limiting resistance 3 is connected with neon bulb 4, described current-limiting resistance 3 side is connected with the second conducting rod 7, described second conducting rod 7 is provided with the second power connecting sheet 8, described first conducting rod 2 is provided with the first power connecting sheet 9, described ejecting mechanism 6 is provided with the bonding conductor 10 for connecting the first power connecting sheet 9 and the second power connecting sheet 8, described neon bulb 4 afterbody is connected with conducting block 11, described conducting block 11 is connected with the 3rd conducting rod 12, described test pencil body 1 afterbody is provided with a groove 13, described hand touched electrode block 5 is embedded in groove 13.
Described ejecting mechanism 6 forms by ejecting button 14, knock-pin 15 and push rod 16, described push rod 16 is provided with the first fixed head 17, the second fixed head 18 is provided with in described test pencil body 1, described push rod 16 runs through the second fixed head 18 and arranges, push rod 16 between described first fixed head 17 and the second fixed head 18 is provided with back-moving spring 19, described knock-pin 15 is hinged in test pencil body 1, and offsets with bonding conductor 10.
Described groove 13 inwall is provided with jump ring 20, and described hand touched electrode block 5 is provided with the draw-in groove 21 matched with described jump ring 20, and described hand touched electrode block 5 and the 3rd conducting rod 12 offset.
Described test pencil body 1 front portion is provided with fixed block 22 and the shell 23 for the protection of the first conducting rod 2, and described first conducting rod 2 front end is provided with metal contact 24.
Described test pencil body 1 is provided with an arc groove 25, described in eject button 14 and be arranged on arc groove 25 place.
The outside surface of described test pencil body 1 is provided with anti-slip veins 26.
The beneficial effect of a kind of test pencil of the utility model is: during use, by the vibrational power flow of set ejecting mechanism, when needs use test pencil, operating personnel pin and eject button, and the first power connecting sheet, bonding conductor are connected successively with the second power connecting sheet, and metal contact is contacted with object under test, palm contacts with hand touched electrode, object under test passes through test pencil, forms a potential difference (PD) between human body and the earth, produce electric field, the neon tube in test pencil will be luminous under electric field action; If neon tube luminous, illustrate that this object under test is charged, and this test lead is live wire; If neon tube is not luminous, then illustrates that not charged or this test lead of this object under test is zero line, by set shell, effectively can protect metal contact, prevent metal contact in transport and carrying process, occur breakage phenomenon.Its structure is simple, uses, easy for installation, simple to operate, laborsaving, and cost is low, and control effects is good, and metal contact protected effect is good, applied widely, long service life, has safe and reliable effect.
The above, be only embodiment of the present utility model, but protection domain of the present utility model is not limited thereto, and any change of expecting without creative work or replacement, all should be encompassed within protection domain of the present utility model.Therefore, the protection domain that protection domain of the present utility model should limit with claims is as the criterion.

Claims (6)

1. a test pencil, it is characterized in that: comprise test pencil body, and the first conducting rod be arranged on test pencil body, and the current-limiting resistance be arranged on test pencil body, and the neon bulb be arranged on test pencil body, and the hand touched electrode block be arranged on test pencil body, and be arranged on test pencil body for ejecting the ejecting mechanism of the first conducting rod, described current-limiting resistance and neon bulb are installed in test pencil body, described current-limiting resistance is connected with neon bulb, described current-limiting resistance side is connected with the second conducting rod, described second conducting rod is provided with the second power connecting sheet, described first conducting rod is provided with the first power connecting sheet, described ejecting mechanism is provided with the bonding conductor for connecting the first power connecting sheet and the second power connecting sheet, described neon bulb afterbody is connected with conducting block, described conducting block is connected with the 3rd conducting rod, described test pencil body afterbody is provided with a groove, described hand touched electrode block is embedded in groove.
2. test pencil according to claim 1, it is characterized in that: described ejecting mechanism forms by ejecting button, knock-pin and push rod, described push rod is provided with the first fixed head, the second fixed head is provided with in described test pencil body, described push rod runs through the second fixed head and arranges, push rod between described first fixed head and the second fixed head is provided with back-moving spring, and described knock-pin is hinged in test pencil body, and offsets with bonding conductor.
3. test pencil according to claim 1, is characterized in that: described groove inner wall is provided with jump ring, and described hand touched electrode block is provided with the draw-in groove matched with described jump ring, and described hand touched electrode block and the 3rd conducting rod offset.
4. test pencil according to claim 1, is characterized in that: described test pencil body portion is provided with fixed block and the shell for the protection of the first conducting rod, and described first conducting rod front end is provided with metal contact.
5. test pencil according to claim 1, is characterized in that: described test pencil body is provided with an arc groove, described in eject button and be arranged on arc groove place.
6. test pencil according to claim 1, is characterized in that: the outside surface of described test pencil body is provided with anti-slip veins.
CN201420757755.1U 2014-12-05 2014-12-05 A kind of test pencil Expired - Fee Related CN204241546U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420757755.1U CN204241546U (en) 2014-12-05 2014-12-05 A kind of test pencil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420757755.1U CN204241546U (en) 2014-12-05 2014-12-05 A kind of test pencil

Publications (1)

Publication Number Publication Date
CN204241546U true CN204241546U (en) 2015-04-01

Family

ID=52771027

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420757755.1U Expired - Fee Related CN204241546U (en) 2014-12-05 2014-12-05 A kind of test pencil

Country Status (1)

Country Link
CN (1) CN204241546U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106093538A (en) * 2016-05-27 2016-11-09 国家电网公司 Electroscope
WO2020038158A1 (en) * 2018-08-24 2020-02-27 福建网能科技开发有限责任公司 Intelligent electroscope capable of performing remote data interaction in real time

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106093538A (en) * 2016-05-27 2016-11-09 国家电网公司 Electroscope
CN106093538B (en) * 2016-05-27 2018-02-16 国家电网公司 Electroscope
WO2020038158A1 (en) * 2018-08-24 2020-02-27 福建网能科技开发有限责任公司 Intelligent electroscope capable of performing remote data interaction in real time

Similar Documents

Publication Publication Date Title
MY198029A (en) Current limiting circuit, dc power supply connector, and dc power source device
CN103529251B (en) A kind of combined type secondary terminals shortening contact row
CN204241546U (en) A kind of test pencil
CN102683052A (en) Switch with drawing structure
CN203350345U (en) Grounding-type low-voltage electroprobe
CN203414514U (en) Electric power test pen
CN205194982U (en) Socket with USB interface
CN204595063U (en) A kind of electrical circuit inspection and contact electroscope
CN103811135A (en) Lightning protection insulator protector
CN204332745U (en) A kind of sample line anticreep automatic transfer switching electric appliance
CN203249202U (en) Safe power-up switch for LED fluorescent lamp tube with build-in power supply
CN202794308U (en) Electric-shock resistant test pencil
CN102997192A (en) Safe lamp holder and lamp tube
CN205065328U (en) Stable form LED lamp
CN203839525U (en) Connecting device
CN204731306U (en) A kind of test pencil of safe ready
CN204011216U (en) A kind of middle contact of isolating switch
CN204905512U (en) Row is inserted to protection against electric shock safety
CN202815069U (en) Low voltage electroscope
CN204694804U (en) Bottom shielding of bushing ejector
CN204631072U (en) Dolly primary cut-out test plug
CN204964606U (en) Concertina type test pencil
CN203659732U (en) Vacuum switch connecting device
CN202678125U (en) Switch of drawing structure
CN204255986U (en) With the socket of hot-swappable formula intelligent electric meter

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150401

Termination date: 20151205

EXPY Termination of patent right or utility model