CN204302351U - A kind of voltmeter - Google Patents
A kind of voltmeter Download PDFInfo
- Publication number
- CN204302351U CN204302351U CN201420764534.7U CN201420764534U CN204302351U CN 204302351 U CN204302351 U CN 204302351U CN 201420764534 U CN201420764534 U CN 201420764534U CN 204302351 U CN204302351 U CN 204302351U
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- CN
- China
- Prior art keywords
- voltmeter
- push rod
- power connecting
- connecting sheets
- fixed head
- 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
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- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model discloses a kind of voltmeter, comprise voltmeter body, and the circuit connection mechanism be arranged on voltmeter body, and the voltage calibration table be arranged on voltmeter body, and three test ports be arranged on voltmeter body, circuit connection mechanism is by three the first power connecting sheets, three the second power connecting sheets and push rod composition, three the first power connecting sheets are connected with three test ports respectively, three the first power connecting sheets are provided with three the first conductive poles, three the second power connecting sheets are provided with three the second conductive poles, three the second conductive poles are hinged with respectively three the 3rd conductive poles, push rod is hinged on three the 3rd conductive poles, push rod is provided with the first fixed head, the second fixed head is provided with in voltmeter body, push rod runs through the second fixed head and arranges.Its structure is simple, uses, easy for installation, simple to operate, and it is convenient to measure, and voltmeter protective value is high, and cost is low, easy to carry, applied widely, long service life, has safe and reliable effect.
Description
Technical field
The utility model relates to a kind of voltmeter.
Background technology
Voltmeter is a kind of instrument of measuring voltage.Voltmeter is divided into traditional electromagnetic induction needle dc voltmeter and digital voltmeter.Traditional electromagnetic induction needle dc voltmeter is mainly used in school instruction aspect, the reading ability of exercise student '; Digital voltmeter is mainly used in measuring study aspect, uses and not only facilitates, but also has the higher advantage of precision; But existing voltmeter is connected to after on voltmeter at circuit, will direct turn-on voltage table with regard to power supply, when supply voltage is higher exceed voltmeter estimation range time, will cause damage to voltmeter, bring 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, and it is convenient to measure; power circuit control effects is good, and voltmeter protective value is high, and cost is low, easy to carry; applied widely, long service life, has the voltmeter of safe and reliable effect.
For solving the problem, the utility model adopts following technical scheme:
A kind of voltmeter, comprise voltmeter body, and the circuit connection mechanism be arranged on voltmeter body, and the voltage calibration table be arranged on voltmeter body, and three test ports be arranged on voltmeter body, described circuit connection mechanism is arranged on voltmeter body interior, described voltage calibration table is arranged on voltmeter body upper part position, described circuit connection mechanism is by three the first power connecting sheets, three the second power connecting sheets and push rod composition, three described the first power connecting sheets are connected with three test ports respectively, three described the first power connecting sheets are provided with three the first conductive poles, three described the second power connecting sheets are provided with three the second conductive poles, three described the second conductive poles are hinged with respectively three the 3rd conductive poles, described push rod is hinged on three the 3rd conductive poles, described push rod is provided with the first fixed head, the second fixed head is provided with in described voltmeter body, described push rod runs through the second fixed head and arranges, the push rod end of described second fixed head side is provided with the first fixed block, the second fixed block is provided with in described voltmeter body.
As preferred technical scheme, described voltmeter body is provided with circuit control button, the lower portion of described circuit control button is provided with jacking block, described jacking block is embedded in the cavity that formed between the first fixed block and the second fixed block, and match with the first fixed block and the second fixed block, the push rod between described first fixed head and the second fixed head is provided with back-moving spring.
As preferred technical scheme, three described the second power connecting sheets be arranged on the intrinsic wiring board of voltmeter and be connected.
As preferred technical scheme, three described test ports are by hex(agonal)screw and plastic nut composition, and described plastic nut is arranged on hex(agonal)screw.
As preferred technical scheme, the middle part of described voltmeter body is provided with projection, and described projection is provided with working station indicator and alarm lamp.
The beneficial effect of a kind of voltmeter of the utility model is: during use, by the vibrational power flow of set circuit connection mechanism, operating personnel are when being connected circuit-under-test with voltmeter, off-state is between circuit-under-test and voltmeter, by operating civilian by line control button after whole circuit all connects and checks, make circuit connection mechanism can be communicated with test port and the wiring board being arranged on voltmeter inside, thus reach the object of voltmeter work, avoid situation about being directly communicated with voltmeter after circuit in the past connects, when voltage is excessive exceed voltmeter detection range time and damage voltmeter, thus add the service life of voltmeter, by set working station indicator and alarm lamp, when voltmeter stable working state and safe time, working station indicator is bright, when voltmeter is in abnormal operating state, alarm lamp is bright, by set plastic nut, when operating personnel's conducting transmission line connects, can avoid getting an electric shock.Its structure is simple, uses, easy for installation, simple to operate, and it is convenient to measure, and power circuit control effects is good, and voltmeter protective value is high, and cost is low, easy to carry, 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 voltmeter of the utility model;
Fig. 2 is the front view of a kind of voltmeter of the utility model;
Fig. 3 is the circuit control button structure chart of a kind of voltmeter of the utility model.
Detailed description of the invention
Consult Fig. 1, a kind of voltmeter shown in Fig. 2 and Fig. 3, comprise voltmeter body 1, and the circuit connection mechanism 2 be arranged on voltmeter body 1, and the voltage calibration table 3 be arranged on voltmeter body 1, and three test ports 4 be arranged on voltmeter body 1, it is inner that described circuit connection mechanism 2 is arranged on voltmeter body 1, described voltage calibration table 3 is arranged on position, voltmeter body 1 top, described circuit connection mechanism 2 is by three the first power connecting sheets 5, three the second power connecting sheets 6 and push rod 7 form, three described the first power connecting sheets 5 are connected with three test ports 4 respectively, three described the first power connecting sheets 5 are provided with three the first conductive poles 9, three described the second power connecting sheets 6 are provided with three the second conductive poles 10, three described the second conductive poles 10 are hinged with three the 3rd conductive poles 11 respectively, described push rod 7 to be hinged on three the 3rd conductive poles 11, described push rod 7 is provided with the first fixed head 12, the second fixed head 13 is provided with in described voltmeter body 1, described push rod 7 runs through the second fixed head 13 and arranges, push rod 7 end of described second fixed head 13 side is provided with the first fixed block 14, the second fixed block 15 is provided with in described voltmeter body 1.
Described voltmeter body 1 is provided with circuit control button 16, the lower portion of described circuit control button 16 is provided with jacking block 17, described jacking block 17 is embedded in the cavity of formation between the first fixed block 14 and the second fixed block 15, and match with the first fixed block 14 and the second fixed block 15, the push rod 7 between described first fixed head 12 and the second fixed head 13 is provided with back-moving spring 18.
Three described the second power connecting sheets 6 are connected with the wiring board be arranged in voltmeter body 1 (not shown).
Three described test ports 4 form by hex(agonal)screw 19 and plastic nut 20, and described plastic nut 20 is arranged on hex(agonal)screw 19.
The middle part of described voltmeter body 1 is provided with protruding 21, and described protruding 21 are provided with working station indicator 22 and alarm lamp 8.
The beneficial effect of a kind of voltmeter of the utility model is: during use, by the vibrational power flow of set circuit connection mechanism, operating personnel are when being connected circuit-under-test with voltmeter, off-state is between circuit-under-test and voltmeter, by operating civilian by line control button after whole circuit all connects and checks, make circuit connection mechanism can be communicated with test port and the wiring board being arranged on voltmeter inside, thus reach the object of voltmeter work, avoid situation about being directly communicated with voltmeter after circuit in the past connects, when voltage is excessive exceed voltmeter detection range time and damage voltmeter, thus add the service life of voltmeter, by set working station indicator and alarm lamp, when voltmeter stable working state and safe time, working station indicator is bright, when voltmeter is in abnormal operating state, alarm lamp is bright, by set plastic nut, when operating personnel's conducting transmission line connects, can avoid getting an electric shock.Its structure is simple, uses, easy for installation, simple to operate, and it is convenient to measure, and power circuit control effects is good, and voltmeter protective value is high, and cost is low, easy to carry, applied widely, long service life, has safe and reliable effect.
The above, be only detailed description of the invention 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 (5)
1. a voltmeter, it is characterized in that: comprise voltmeter body, and the circuit connection mechanism be arranged on voltmeter body, and the voltage calibration table be arranged on voltmeter body, and three test ports be arranged on voltmeter body, described circuit connection mechanism is arranged on voltmeter body interior, described voltage calibration table is arranged on voltmeter body upper part position, described circuit connection mechanism is by three the first power connecting sheets, three the second power connecting sheets and push rod composition, three described the first power connecting sheets are connected with three test ports respectively, three described the first power connecting sheets are provided with three the first conductive poles, three described the second power connecting sheets are provided with three the second conductive poles, three described the second conductive poles are hinged with respectively three the 3rd conductive poles, described push rod is hinged on three the 3rd conductive poles, described push rod is provided with the first fixed head, the second fixed head is provided with in described voltmeter body, described push rod runs through the second fixed head and arranges, the push rod end of described second fixed head side is provided with the first fixed block, the second fixed block is provided with in described voltmeter body.
2. voltmeter according to claim 1, it is characterized in that: described voltmeter body is provided with circuit control button, the lower portion of described circuit control button is provided with jacking block, described jacking block is embedded in the cavity that formed between the first fixed block and the second fixed block, and match with the first fixed block and the second fixed block, the push rod between described first fixed head and the second fixed head is provided with back-moving spring.
3. voltmeter according to claim 1, is characterized in that: three described the second power connecting sheets be arranged on the intrinsic wiring board of voltmeter and be connected.
4. voltmeter according to claim 1, is characterized in that: three described test ports are by hex(agonal)screw and plastic nut composition, and described plastic nut is arranged on hex(agonal)screw.
5. voltmeter according to claim 1, is characterized in that: the middle part of described voltmeter body is provided with projection, and described projection is provided with working station indicator and alarm lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420764534.7U CN204302351U (en) | 2014-12-07 | 2014-12-07 | A kind of voltmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420764534.7U CN204302351U (en) | 2014-12-07 | 2014-12-07 | A kind of voltmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204302351U true CN204302351U (en) | 2015-04-29 |
Family
ID=53107882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420764534.7U Expired - Fee Related CN204302351U (en) | 2014-12-07 | 2014-12-07 | A kind of voltmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204302351U (en) |
-
2014
- 2014-12-07 CN CN201420764534.7U patent/CN204302351U/en not_active Expired - Fee Related
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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: 20150429 Termination date: 20151207 |
|
| EXPY | Termination of patent right or utility model |