CN2667732Y - Electric source socket - Google Patents
Electric source socket Download PDFInfo
- Publication number
- CN2667732Y CN2667732Y CN 03270696 CN03270696U CN2667732Y CN 2667732 Y CN2667732 Y CN 2667732Y CN 03270696 CN03270696 CN 03270696 CN 03270696 U CN03270696 U CN 03270696U CN 2667732 Y CN2667732 Y CN 2667732Y
- Authority
- CN
- China
- Prior art keywords
- attaching plug
- polarity
- guider
- utility
- model
- 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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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The utility model discloses a power plug and comprises an anode, a cathode and a guiding device which can prevent the reverse inserting of the polarity. The power plug adopts the USB connector. Therefore the customer needs not to consider the polarity and whether the connecting is reliable as the utility model adopts the USB connector; and the utility model reaches an effect of non obstacle applying.
Description
Technical field
The utility model relates to a kind of attaching plug, particularly relevant for a kind of portable, low power attaching plug.
Background technology
At present, in a lot of electronic equipments, as all disposing the external power supply adapter in notebook computer, digital camera, the LCD etc., and according to the technical stipulation of USB association, the USB external hard disk also need be equipped with the external power supply adapter power supply is provided.What at present the plug that connects of external power supply adapter adopted is common DC head (DC power supply joint), but as the plug that connects of the power supply adaptor that is equipped with of electronic products such as external hard disk, the different different polarity of producer's employing.As shown in Figure 1, be the structural representation of common DC plug.(a) being the end view of this DC plug, (b) is the front view of this DC plug.Inner core 1 is a positive polarity (+), outer core 2 is that negative polarity (-) or outer core 2 are positive polarity (+), inner core 1 is a negative polarity (-), requires user's first identification polarity in use like this, otherwise might occur not noting polarity and the situation that causes equipment to burn out.And DC attaching plug and socket be connected generally elastic sheet metal clamping by socket, when elastic sheet metal follows the string, just may occur catching unreliable and cause the unsettled situation of equipment work.
The utility model content
The utility model provides a kind of attaching plug, reaches not consider that promptly polarity also need not to consider the effect of the situation that connects.
A kind of attaching plug comprises positive pole and negative pole, also includes the anti-anti-inserted guider of stop polarity.
Described attaching plug adopts USB interface.The cross section of described attaching plug is a rectangle, and described guider is arranged near rectangular one side.Above guider, from left to right be provided with four contact pin V+, D1, D0 and V-successively, and data wire D1, D0 are unsettled.
The cross section of described guider is a rectangle.
Adopt above-mentioned attaching plug, insert in the supporting supply socket, utilize guider (as the guiding terminal), can prevent that stop polarity is anti-inserted, thereby avoid situations such as equipment burns out to occur as much as possible.Whether reliable particularly supply socket has USB interface, and the user need not to consider polarity, and need not consider to connect problems such as, reaches the effect of accessible application, and extraordinary versatility is arranged.
Description of drawings
Fig. 1 is the structural representation of known DC plug.
Fig. 2 is the structural representation of the attaching plug of employing USB interface.
Embodiment
See also Fig. 2, the structural representation of an embodiment of the utility model attaching plug.(a) be the end view of this attaching plug.(b) be the front view of this attaching plug.This attaching plug has standard USB interface, the cross section of this attaching plug is rectangle, be provided with a guider 3 that anti-stop polarity is anti-inserted near the place, base, the cross section of guider 3 also is rectangle, above guider 3, from left to right be provided with four contact pins successively, be respectively V+, D1, D0 and V-.Wherein D1, D0 are data wire, and be unsettled at this.And V+, V-are power line, define same standard USB interface, because all USB device all adopt unified standard wiring definition, this power connection adopts standard USB interface, and pin definitions is a standard with PC also, does not repeat them here.Above-mentioned attaching plug can be pegged graft and be used on the supporting with it socket.
More than disclosed be a preferred embodiment of the present utility model, but not limited thereto, protection range of the present utility model is as the criterion with claims.
Claims (5)
1, a kind of attaching plug comprises positive pole and negative pole, it is characterized in that also including the anti-anti-inserted guider of stop polarity.
2, attaching plug as claimed in claim 1 is characterized in that, described attaching plug has USB interface.
3, attaching plug as claimed in claim 2 is characterized in that, the cross section of described attaching plug is a rectangle, and described guider is arranged near rectangular one side.
4, attaching plug as claimed in claim 3 is characterized in that, from left to right be provided with four contact pin V+, D1, D0 and V-successively above guider, and data wire D1, D0 is unsettled.
5, attaching plug as claimed in claim 2 is characterized in that, the cross section of described guider is a rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03270696 CN2667732Y (en) | 2003-08-13 | 2003-08-13 | Electric source socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03270696 CN2667732Y (en) | 2003-08-13 | 2003-08-13 | Electric source socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2667732Y true CN2667732Y (en) | 2004-12-29 |
Family
ID=34330578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03270696 Expired - Fee Related CN2667732Y (en) | 2003-08-13 | 2003-08-13 | Electric source socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2667732Y (en) |
-
2003
- 2003-08-13 CN CN 03270696 patent/CN2667732Y/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20041229 Termination date: 20110813 |