CN2762956Y - Special screw driver - Google Patents
Special screw driver Download PDFInfo
- Publication number
- CN2762956Y CN2762956Y CN 200420013281 CN200420013281U CN2762956Y CN 2762956 Y CN2762956 Y CN 2762956Y CN 200420013281 CN200420013281 CN 200420013281 CN 200420013281 U CN200420013281 U CN 200420013281U CN 2762956 Y CN2762956 Y CN 2762956Y
- Authority
- CN
- China
- Prior art keywords
- screw
- bulb
- screw driver
- lead
- screwdriver
- 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
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model relates to a special screwdriver which can test whether a circuit be free-flowing or not. One end of a line is contacted by a screwdriver head, and the other end of the line is contacted by a pair of pliers or a small steel needle. Uses observe whether a small bulb brighten up or not so that the users can know whether the circuit be free-flowing or not.
Description
Affiliated technical field
The utility model relates to a kind of design of special screw cutter.
Background technology
At present, common voltage test pencil can only be tested charged positive pole.And the universal meter stature is bigger, uses not to be very convenient.
Summary of the invention
Can only test charged positive pole in order to overcome existing voltage test pencil, and the universal meter inconvenient problem with use, this use is novel to provide a kind of special test screwdriver.
The technical scheme that its technical problem that solves the utility model adopts is: settle a bulb in screw driver handle, bulb one end is connected with screw, and the metal blade of the other end and screwdriver is connected.An aperture is opened in the screw driver handle rear end, and screw of precession is connected with bulb, and the other end of screw connects a lead, pincette of the connection of lead and one piece of small steel needle.
Whether the beneficial effects of the utility model are, can connect by test circuit, and can work as screwdriver and use, and are more easy to carry than universal meter.Being well suited for motorcycle and electric appliances service uses.Method of operating is easy, makes simple.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is design principle figure of the present utility model.
1. bulbs among the figure, 2. screw, 3. lead, 4. pliers, 5. small steel needle.
The specific embodiment
In Fig. 1, settle a bulb (1) in the screw driver handle, bulb (1), an end and screw (2), be connected, the metal blade of the other end and screwdriver is connected.An aperture is opened in the screw driver handle rear end, and a screw of precession (2) is connected with bulb (1), and the other end of screw connects a lead (3), lead (3), a connection pincette (4) and one piece of small steel needle (5).In the time of test, as long as contact circuit one end with driver bit, the pliers or the small steel needle contact circuit other end, whether shinny, just know whether circuit is unimpeded if observing bulb.
Claims (1)
- A kind of special screw cutter is characterized in that: settle a bulb in the screw driver handle, bulb one end is connected with screw, and the metal blade of the other end and screwdriver is connected.An aperture is opened in the screw driver handle rear end, and screw of precession is connected with bulb, and the other end of screw connects a lead, pincette of the connection of lead and one piece of small steel needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420013281 CN2762956Y (en) | 2004-12-29 | 2004-12-29 | Special screw driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420013281 CN2762956Y (en) | 2004-12-29 | 2004-12-29 | Special screw driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2762956Y true CN2762956Y (en) | 2006-03-08 |
Family
ID=36140507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420013281 Expired - Fee Related CN2762956Y (en) | 2004-12-29 | 2004-12-29 | Special screw driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2762956Y (en) |
-
2004
- 2004-12-29 CN CN 200420013281 patent/CN2762956Y/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 |