CN2147544Y - Safety electric testing pen - Google Patents
Safety electric testing pen Download PDFInfo
- Publication number
- CN2147544Y CN2147544Y CN 92242202 CN92242202U CN2147544Y CN 2147544 Y CN2147544 Y CN 2147544Y CN 92242202 CN92242202 CN 92242202 CN 92242202 U CN92242202 U CN 92242202U CN 2147544 Y CN2147544 Y CN 2147544Y
- Authority
- CN
- China
- Prior art keywords
- electric testing
- testing pen
- safety electric
- display lamp
- display
- 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
Links
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The utility model relates to a safety electric testing pen provided with two or more display lamps. The safety electric testing pen overcomes the defect that an existing electric testing pen can not be used to judge whether a power source is on or off when the display lamp is damaged, and the safety electric testing pen guarantees safety of persons' lives. By the adoption of the utility model, when one display lamp is damaged, other display lamps can also display normally; the utility model has the advantages of the decrease of accident occurrence, and high safety.
Description
The utility model relates to the improvement of electroprobe, belongs to electroprobe and makes the field.
Electroprobe commonly used at present only has a display lamp, and display lamp damage in a single day will cause error in judgement in use, thereby electric shock accidents takes place, the life security that threatens the people.
The purpose of this utility model provides a kind of Safety electric testing pen that two or more display lamps are arranged, and it can overcome the existing above-mentioned weak point of electroprobe.
In order to realize that the purpose of this utility model adopts following technical proposals: a kind of Safety electric testing pen of being made up of nib, a body, resistance, display lamp, spring, bottom etc., it is characterized in that two or more display lamps in parallel on nib, resistance, display lamp, spring, this section of bottom circuit, display lamp can be neon tube, luminotron, LCDs etc.Nib can be made needle-like, screwdriver head, cutter shape or commutativity combination tool etc.
Adopt the utility model that following effect is arranged: two or more display lamps are connected in parallel on the circuit, though there is a display lamp to damage, other display lamps can also normally show, guarantee safe and reliable.The display lamp that damages should in time be changed, and electroprobe is remained intact.
Below in conjunction with description of drawings the utility model embodiment
1--nib among the figure, a 2--body, 3--resistance,
4--display lamp, 5--spring, 6--bottom.
Fig. 1 is the electroprobe structural drawing of two display lamps in parallel
Fig. 2 has three display lamps to be connected in parallel on schematic diagram on the circuit.
Fig. 3 has a plurality of display lamps to be connected in parallel on schematic diagram on the circuit.
Fig. 4 is the needle-like nib.
Fig. 5 is a screwdriver head nib.
Fig. 6 is a cutter shape nib
Fig. 7 is a commutativity joint nib.
Claims (3)
1, a kind of Safety electric testing pen of being made up of nib, a body, resistance, display lamp, spring, bottom etc. is characterized in that it is in parallel on nib, resistance, display lamp, spring, this section of bottom circuit two or more display lamps being arranged.
2,, it is characterized in that display lamp can be neon tube, luminotron, LCDs etc. according to the described Safety electric testing pen of claim 1.
3,, it is characterized in that nib can be needle-like, screwdriver head, cutter shape or commutativity combination tool etc. according to the described Safety electric testing pen of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92242202 CN2147544Y (en) | 1992-11-24 | 1992-11-24 | Safety electric testing pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92242202 CN2147544Y (en) | 1992-11-24 | 1992-11-24 | Safety electric testing pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2147544Y true CN2147544Y (en) | 1993-11-24 |
Family
ID=33782065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92242202 Expired - Fee Related CN2147544Y (en) | 1992-11-24 | 1992-11-24 | Safety electric testing pen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2147544Y (en) |
-
1992
- 1992-11-24 CN CN 92242202 patent/CN2147544Y/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 | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |