CN204964606U - Concertina type test pencil - Google Patents
Concertina type test pencil Download PDFInfo
- Publication number
- CN204964606U CN204964606U CN201520616074.8U CN201520616074U CN204964606U CN 204964606 U CN204964606 U CN 204964606U CN 201520616074 U CN201520616074 U CN 201520616074U CN 204964606 U CN204964606 U CN 204964606U
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- China
- Prior art keywords
- test pencil
- inner chamber
- spring
- concertina type
- draw
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- Expired - Fee Related
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Secondary Cells (AREA)
Abstract
The utility model discloses a concertina type test pencil, including insulating casing, battery, illuminator and current -limiting resistor are installed to insulating casing's inner chamber, illuminator is connected with the current -limiting resistor electricity, current -limiting resistor passes through the spring and is connected with the right side electricity of contact, the lateral wall movable mounting of test pencil pole has button and switch, the inner chamber left and right sides of test pencil pole is equipped with the draw -in groove with elastic hook matched with, it has movable axostylus axostyle to alternate in the inner chamber of draw -in groove, the activity axostylus axostyle is connected with the button, lighting device is installed in the left side of test pencil pole, lighting device is connected with the switch electricity, the switch is connected with the battery electricity. This concertina type test pencil can contract the contact in the inner chamber of test pencil pole when need not using, has reduced the volume, conveniently carries, moreover can the normal use test pencil through lighting device in the dark.
Description
Technical field
The utility model relates to electronic technology field, is specially a kind of concertina type test pencil.
Background technology
Test pencil is also test pencil, be called for short " electroprobe ", it is a kind of electrician tool, whether be chargedly used in test wires, nib in test pencil, a tail, to make for metal material, penholder is that insulating material is made, when using test pencil, the metallic member of test pencil tail end must be touched with hand, otherwise, because electrified body, test pencil, human body and the earth do not form loop, luminescence in test pencil can not be luminous, causes erroneous judgement, think that electrified body is not charged, existing test pencil has following shortcoming mostly: 1, adjust electroprobe mostly can not regulate own vol, be not easy to carry; 2, normally can not use test pencil when dark, another hand-held electric torch irradiate could use.
Utility model content
The purpose of this utility model is to provide a kind of concertina type test pencil, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme: a kind of concertina type test pencil, comprise insulation crust, the inner chamber of described insulation crust is provided with battery, light-emitting device and current-limiting resistance, the side of described insulation crust is interspersed with test pencil bar, and the opposite side of insulation crust is provided with hand touched electrode, described hand touched electrode is electrically connected with spring, described spring fitting is in the left side of hand touched electrode, and spring is also electrically connected with light-emitting device, described light-emitting device is electrically connected with current-limiting resistance, described current-limiting resistance is electrically connected with the right side of contact by spring, the sidewall right-hand member of described contact is provided with elastic hook, and contact activity is interspersed in the inner chamber of test pencil bar, the sidewall of described test pencil bar is movably installed with button and switch, the inner chamber left and right sides of described test pencil bar is provided with the draw-in groove matched with elastic hook, movable axostylus axostyle is interspersed with in the inner chamber of described draw-in groove, described movable axostylus axostyle is connected with button, the left side of described test pencil bar is provided with lighting device, described lighting device is electrically connected with switch, described switch is electrically connected with battery.
Preferably, described lighting device comprises lamp and lampshade, and lamp is installed on the inner chamber of lampshade.
Preferably, described spring is two, and described contact is connected by spring with current-limiting resistance, and described hand touched electrode is also connected by spring with light-emitting device.
Preferably, described draw-in groove is four, and movable axostylus axostyle is two, and the two ends of movable axostylus axostyle are interspersed in the inner chamber of draw-in groove respectively.
Preferably, the sidewall of described insulation crust is coated with one deck non-skid film.
Compared with prior art, the beneficial effects of the utility model are: 1, contact can be taken in the inner chamber of test pencil bar by this concertina type test pencil when not using test pencil by draw-in groove, elastic hook and movable axostylus axostyle, can reduce volume, be convenient for carrying;
2, this concertina type test pencil normally can use test pencil by battery and lighting device in dark surrounds, only needs to open switch, and battery just can be connected lighting device and send light.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
In figure: 1, contact; 2, movable axostylus axostyle; 3, switch; 4, test pencil bar; 5, insulation crust; 6, battery; 7, hand touched electrode; 8, light-emitting device; 9, current-limiting resistance; 10, spring; 11, elastic hook; 12, button; 13, draw-in groove; 14, lighting device.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, the utility model provides a kind of technical scheme: a kind of concertina type test pencil, comprise insulation crust 5, the inner chamber of insulation crust 5 is provided with battery 6, light-emitting device 8 and current-limiting resistance 9, the side of insulation crust 5 is interspersed with test pencil bar 4, and the opposite side of insulation crust 5 is provided with hand touched electrode 7, hand touched electrode 7 is electrically connected with spring 10, spring 10 is installed on the left side of hand touched electrode 7, and spring 10 is also electrically connected with light-emitting device 8, light-emitting device 8 is electrically connected with current-limiting resistance 9, current-limiting resistance 9 is electrically connected with the right side of contact 1 by spring 10, the sidewall right-hand member of contact 1 is provided with elastic hook 11, and contact 1 activity is interspersed in the inner chamber of test pencil bar 4, the sidewall of test pencil bar 4 is movably installed with button 12 and switch 3, the inner chamber left and right sides of test pencil bar 4 is provided with the draw-in groove 13 matched with elastic hook 11, movable axostylus axostyle 2 is interspersed with in the inner chamber of draw-in groove 13, movable axostylus axostyle 2 is connected with button 12, the left side of test pencil bar 4 is provided with lighting device 14, lighting device 14 is electrically connected with switch 3, switch 3 is electrically connected with battery 6, lighting device 14 comprises lamp and lampshade, and lamp is installed on the inner chamber of lampshade, spring 10 is two, contact 1 is connected by spring 10 with current-limiting resistance 9, hand touched electrode 7 is also connected by spring 10 with light-emitting device 8, draw-in groove 13 is four, movable axostylus axostyle 2 is two, and the two ends of movable axostylus axostyle 2 are interspersed in the inner chamber of draw-in groove 13 respectively, the sidewall of insulation crust 5 is coated with one deck non-skid film, this concertina type test pencil is by button 12, contact 1 can be shunk the inner chamber into test pencil bar 4 when not using test pencil by movable axostylus axostyle 2 and draw-in groove 13, be connected in draw-in groove 13, reduce volume, be convenient for carrying, 12 are pressed the button when needs use, contact 1 can be ejected, again be connected in draw-in groove 13, just can normally employ, and by having installed lighting device 14 and battery 6 also normally can use test pencil in the dark.
Although illustrate and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and spirit, scope of the present utility model is by claims and equivalents thereof.
Claims (5)
1. a concertina type test pencil, comprise insulation crust (5), it is characterized in that: the inner chamber of described insulation crust (5) is provided with battery (6), light-emitting device (8) and current-limiting resistance (9), the side of described insulation crust (5) is interspersed with test pencil bar (4), and the opposite side of insulation crust (5) is provided with hand touched electrode (7), described hand touched electrode (7) is electrically connected with spring (10), described spring (10) is installed on the left side of hand touched electrode (7), and spring (10) is also electrically connected with light-emitting device (8), described light-emitting device (8) is electrically connected with current-limiting resistance (9), described current-limiting resistance (9) is electrically connected by the right side of spring (10) with contact (1), the sidewall right-hand member of described contact (1) is provided with elastic hook (11), and contact (1) activity is interspersed in the inner chamber of test pencil bar (4), the sidewall of described test pencil bar (4) is movably installed with button (12) and switch (3), the inner chamber left and right sides of described test pencil bar (4) is provided with the draw-in groove (13) matched with elastic hook (11), movable axostylus axostyle (2) is interspersed with in the inner chamber of described draw-in groove (13), described movable axostylus axostyle (2) is connected with button (12), the left side of described test pencil bar (4) is provided with lighting device (14), described lighting device (14) is electrically connected with switch (3), described switch (3) is electrically connected with battery (6).
2. a kind of concertina type test pencil according to claim 1, is characterized in that: described lighting device (14) comprises lamp and lampshade, and lamp is installed on the inner chamber of lampshade.
3. a kind of concertina type test pencil according to claim 1, it is characterized in that: described spring (10) is two, described contact (1) is connected by spring (10) with current-limiting resistance (9), and described hand touched electrode (7) and light-emitting device (8) are also connected by spring (10).
4. a kind of concertina type test pencil according to claim 1, it is characterized in that: described draw-in groove (13) is four, movable axostylus axostyle (2) is two, and the two ends of movable axostylus axostyle (2) are interspersed in the inner chamber of draw-in groove (13) respectively.
5. a kind of concertina type test pencil according to claim 1, is characterized in that: the sidewall of described insulation crust (5) is coated with one deck non-skid film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520616074.8U CN204964606U (en) | 2015-08-14 | 2015-08-14 | Concertina type test pencil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520616074.8U CN204964606U (en) | 2015-08-14 | 2015-08-14 | Concertina type test pencil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204964606U true CN204964606U (en) | 2016-01-13 |
Family
ID=55059662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520616074.8U Expired - Fee Related CN204964606U (en) | 2015-08-14 | 2015-08-14 | Concertina type test pencil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204964606U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108710021A (en) * | 2018-04-16 | 2018-10-26 | 南京汇龙五金工具制造有限公司 | A kind of multifunction test pencil easy to use |
-
2015
- 2015-08-14 CN CN201520616074.8U patent/CN204964606U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108710021A (en) * | 2018-04-16 | 2018-10-26 | 南京汇龙五金工具制造有限公司 | A kind of multifunction test pencil easy to use |
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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: 20160113 Termination date: 20160814 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |