CN202837380U - Neon-tube test pencil - Google Patents
Neon-tube test pencil Download PDFInfo
- Publication number
- CN202837380U CN202837380U CN 201220563873 CN201220563873U CN202837380U CN 202837380 U CN202837380 U CN 202837380U CN 201220563873 CN201220563873 CN 201220563873 CN 201220563873 U CN201220563873 U CN 201220563873U CN 202837380 U CN202837380 U CN 202837380U
- Authority
- CN
- China
- Prior art keywords
- neon
- test pencil
- tube test
- display unit
- neon tube
- 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 - Lifetime
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- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The utility model discloses a neon-tube test pencil. The neon-tube test pencil comprises a test pencil head, a resistor, a transparent sleeve, a display unit in the transparent sleeve, and a pencil tail contact. The neon-tube test pencil is characterized in that the display unit comprises two neon tubes in parallel. The neon-tube test pencil has a simple structure, and the use reliability of the test pencil is improved.
Description
Technical field
The utility model relates to a kind of test pencil, especially a kind of neon tube test pencil.
Background technology
Test pencil is cheap because of it, intuitive display is widely used.Traditional test pencil comprises survey nib, resistance, transparent casing, is arranged on the display unit in the transparent casing, and a tail contact, and the neon tube in its display unit is singly by all means.The problem of depositing is that because it is singly by all means, in case neon tube damage test pencil namely can not use, also therefore may judge broken belt by accident comes the Electrical Safety problem.
Summary of the invention
The utility model is for avoiding the existing weak point of above-mentioned prior art, a kind of good stability is provided, the neon tube test pencil that security performance is high, can not only prolong tubular type test pencil serviceable life, more can guarantee functional reliability and the validity of consumable accessory, thus the generation of effectively having avoided surveying electric security incident.
The utility model is that the technical solution problem adopts following technical scheme:
The utility model neon tube test pencil comprises survey nib, resistance, transparent casing, is arranged on the display unit in the transparent casing, and a tail contact, and its design feature is: described display unit is two neon tubes that are arranged in parallel.
Compared with the prior art, the utility model beneficial effect is embodied in:
The utility model is simple and reliable for structure, adopt two neon tube parallel-connection structures, use than single neon tube test pencil to have more stability, even in the situation of damaging a neon tube, also can normally use, improve service efficiency and the life-span of consumable accessory, guaranteed thus safety in utilization and the reliability of test pencil.
Description of drawings
Fig. 1 the utility model structural representation;
Number in the figure: 1 surveys nib; 2 resistance; 3 conductive caps; 5 transparent casings; 6 springs; 7 tail contacts; 8 first branch road neon tubes; 9 second branch road neon tubes, 10 display units.
Embodiment
Referring to Fig. 1, in the present embodiment, identical with prior art is: the neon tube test pencil includes and surveys nib 1, large resistance resistance 2, transparent casing 5, is arranged on the display unit 10 in the transparent casing 5, an and tail contact 7, the design feature of present embodiment is: display unit 10 is two neon tubes that are arranged in parallel, two neon tubes that are arranged in parallel shown in the figure are respectively that the first branch road neon tube 8 and the second branch road neon tube 9, two branch roads are parallel with one another.
Under normal circumstances, two neon tubes are all luminous, and a neon tube damages if having wherein, and the another neon tube can normally show.
Claims (1)
1. neon tube test pencil, comprise survey nib (1), resistance (2), transparent casing (5), be arranged on the display unit (10) in the transparent casing (5), and a tail contact (7), it is characterized in that: described display unit (10) is two neon tubes that are arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220563873 CN202837380U (en) | 2012-10-30 | 2012-10-30 | Neon-tube test pencil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220563873 CN202837380U (en) | 2012-10-30 | 2012-10-30 | Neon-tube test pencil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202837380U true CN202837380U (en) | 2013-03-27 |
Family
ID=47949058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220563873 Expired - Lifetime CN202837380U (en) | 2012-10-30 | 2012-10-30 | Neon-tube test pencil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202837380U (en) |
-
2012
- 2012-10-30 CN CN 201220563873 patent/CN202837380U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |