CN202651523U - Double grounding audio interface - Google Patents
Double grounding audio interface Download PDFInfo
- Publication number
- CN202651523U CN202651523U CN 201220321752 CN201220321752U CN202651523U CN 202651523 U CN202651523 U CN 202651523U CN 201220321752 CN201220321752 CN 201220321752 CN 201220321752 U CN201220321752 U CN 201220321752U CN 202651523 U CN202651523 U CN 202651523U
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- China
- Prior art keywords
- terminal
- insulating body
- audio interface
- ground connection
- earth terminal
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- 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.)
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The utility model discloses a double grounding audio interface, comprising an insulating body, terminals embedded inside the insulating body and a metal housing mounted on the outer surface of the insulating body, wherein the insulating body is provided with a jack for connecting with an external electric assembly, the terminals comprise first and second terminals conductively connected with the external electric assembly, a switch terminal formed through the cooperation of a movable terminal and a fixed terminal, and a grounding terminal used for grounding, the grounding terminal is provided with a conductive connection portion conductively connected with the external electric assembly, the grounding terminal is also provided with a conductive contact, and the conductive contact is provided with a double conductive structure in cooperation with the conductive connection portion. In the utility model, the extension portion of the grounding terminal not only can be electrically connected with the metal housing, but also can be used as the positioning portion of the grounding terminal. In addition, the double conductive structure is mutually cooperated with a double grounding structure, such that the double grounding audio interface is more stable in conductive effect, thereby increasing product quality.
Description
Technical field:
The utility model relates to the connector product technical field, refers in particular to a kind of compact conformation, assembling firmly, two ground connection audio interface of earth-continuity effect stability.
Background technology:
Electric connector is in order to the main adaptor as the electric signal transmission in the various electronic product, wherein, be provided as specially the audio connector of audio signal output/input, more be used in widely in all kinds of video and audio products, particularly in recent years, along with various portable electronic products are fast-developing, all use widely the audio interface (audio connector) of all size such as mobile phone, PDA(Personal Digital Assistant), MP3 walkman, recording pen, mobile computer, apple iPOD etc.
Traditional audio interface, the metal shell that it comprises insulating body, is embedded in the terminal in the insulating body and is installed on the insulating body outer surface, be provided with the jack that can peg graft for external electronic building brick on this insulating body, the switch terminal and that described terminal comprises first and second terminal of connecting mutually with external electronic building brick, be made of movable terminal and fixed terminal coupling is used for the earth terminal of ground connection; This earth terminal comprises a main part and takes shape in contact site and pin section on the main part.
The audio interface that is made of the earth terminal of this structure has the following disadvantages:
1, aspect assembling, because earth terminal is not provided with limiting section or extension, its assembling is firm not.
2, since the contact site in the earth terminal solely with external electronic building brick conducting, in addition, pin section is single
One ground ground connection makes whole audio interface earth-continuity unstable, affects the quality of whole audio interface.
The utility model content:
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of compact conformation, assembling firmly, two ground connection audio interface that earth-continuity is stable.
In order to solve the problems of the technologies described above, the utility model has adopted following technical proposals: a kind of pair of ground connection audio interface, it comprises insulating body, the metal shell that is embedded in the terminal in the insulating body and is installed on the insulating body outer surface, being provided with one on this insulating body can be for the jack of external electronic building brick grafting, described terminal comprise with external electronic building brick connect mutually first, two-terminal, mate the earth terminal that the switch terminal and that consists of is used for ground connection by movable terminal and fixed terminal, form one on the described earth terminal and be used for the junction that connects with external electronic building brick, also be provided with a conducting contact on this earth terminal, this conducting contact cooperates junction to form a pair of conducting structure.
Furthermore, in the technique scheme, the described junction that described earth terminal comprises a main part, takes shape in the installation portion of main part both sides, takes shape in the pin section of main part rear end and take shape in the main part front end, described conducting contact is arranged on the main part.
Furthermore, in the technique scheme, the junction of described earth terminal protrudes from main part, and is higher than the conducting contact that is positioned on the main part.
Furthermore, in the technique scheme, the installation portion of described earth terminal also forms one and is used for the extension that is electrically connected with described metal shell.
Furthermore, in the technique scheme, the installation portion dual-side symmetrical molding of described earth terminal has a grab.
Furthermore, in the technique scheme, described extension comprises the second kink that is bent and extended into type by installation portion to the first kink of downward-extension and bending forming, by the first kink.
Furthermore, in the technique scheme, described insulating body rear end is provided be used to the terminal groove that holds first and second terminal and switch terminal; This insulating body bottom forms one and is used for holding mounting groove earth terminal and that be complementary with the earth terminal moulding.
Furthermore, in the technique scheme, described insulating body side is provided with the location notch of the described mounting groove of a connection, and this insulating body side also is provided with a plurality of card convexs for screens.
Furthermore, in the technique scheme, the junction of described earth terminal is an elasticity contact arm.
Furthermore, in the technique scheme, described metal shell is coated on the insulating body outer surface, and with earth terminal in the second kink of extension inconsistent, and be electrically connected, this second kink cooperates described pin section to form two ground structures.
After adopting technique scheme, the utility model has following beneficial effect compared with prior art:
1, the extension on the earth terminal not only can be used for being electrically connected with metal shell in the utility model, also can be used as the location division of earth terminal, it is embedded in the insulating body side edge detents, make earth terminal more firmly be installed on the insulating body, its compact conformation, assembling firmly improve the quality of whole audio interface.
2, two conducting structures of the formation in the utility model and two ground structure cooperatively interact, and make earth-continuity effect of the present utility model more stable, and have improved quality of the present utility model.
Description of drawings:
Fig. 1 is stereogram of the present utility model;
Fig. 2 is the stereogram of insulating body in the utility model;
Fig. 3 is three-dimensional exploded view of the present utility model;
Fig. 4 is the stereogram at another visual angle of insulating body in the utility model;
Fig. 5 is the stereogram of terminal in the utility model;
Fig. 6 is the stereogram of earth terminal in the utility model;
Fig. 7 is the assembling schematic diagram of the utility model insulating body and terminal;
Embodiment:
Below in conjunction with specific embodiments and the drawings the utility model is further specified.
See shown in Fig. 1-7, a kind of pair of ground connection audio interface, the metal shell 3 that it comprises insulating body 1, is embedded in the terminal 2 in the insulating body 1 and is installed on insulating body 1 outer surface, being provided with one on this insulating body 3 can be for the jack 10 of external electronic building brick grafting.
Particularly, the switch terminal 23 and one that described terminal 2 comprises the first terminal 21 that connects mutually with external electronic building brick and the second terminal 22, be made of movable terminal 24 and fixed terminal 25 couplings is used for the earth terminal 26 of ground connection, form one on the described earth terminal 26 and be used for the junction 260 that connects with external electronic building brick, also be provided with a conducting contact 261 on this earth terminal 26, this conducting contact 261 cooperates junction 260 to form a pair of conducting structure.
The pin section 213 that described the first terminal 21 comprises a main body 211, bent and extended into forward the contact site 212 of type and taken shape in main body 211 downsides by main body 211, wherein, contact site 212 is mutually vertical with pin section 213.These main body 211 upper ends form one and are used for the fixing snap fit 214 that assembles, and also form a depression 215 in this main body 211.
The pin section 223 that described the second terminal 22 comprises a main body 221, takes shape in the contact site 222 of main body 221 front ends and take shape in main body 221 downsides, wherein, contact site 222 is mutually vertical with pin section 223.These main body 221 upper ends form one and are used for the fixing snap fit 224 that assembles.
The pin section 243 that described movable terminal 24 comprises a main body 241, takes shape in the contact site 242 of main body 241 front ends and take shape in main body 241 downsides, wherein, contact site 242 is mutually vertical with pin section 243; Form two contacts on this contact site 242, these main body 241 upper ends form one and are used for the fixing snap fit 244 that assembles.
The pin section 253 that described fixed terminal 25 comprises a main body 251, takes shape in the contact site 252 of main body 251 front ends and take shape in main body 251 downsides, wherein, contact site 252 is mutually vertical with pin section 253, this contact site 252 protrudes towards contact site 242 directions of movable terminal 24, and these main body 251 upper ends form one and are used for the fixing snap fit 254 that assembles.
The junction 260 of described earth terminal 26 is an elasticity contact arm.The described junction 260 that described earth terminal 26 comprises a main part 262, takes shape in the installation portion 263 of main part 262 both sides, takes shape in the pin section 268 of main part 262 rear ends and take shape in main part 262 front ends, described conducting contact 261 is arranged on the main part 262.The junction 260 of described earth terminal 26 protrudes from main part 262, and is higher than the conducting contact 261 that is positioned on the main part 262.The installation portion 263 dual-side symmetrical molding of described earth terminal 26 have a grab 264, and this installation portion 263 also forms one and is used for the extension 265 that is electrically connected with described metal shell 3.Described extension 265 comprises the second kink 267 that is bent and extended into type by installation portion 263 to the first kink 266 of downward-extension and bending forming, by the first kink 266.
Described insulating body 1 rear end is provided be used to the terminal groove 100 that holds the first terminal 21 and the second terminal 22 and switch terminal 23, is provided with the draw-in groove for the location in this terminal groove 100; This insulating body 1 bottom form one be used for holding earth terminal 26 and with the mounting groove 101 that earth terminal 26 moulding are complementary, be provided with the draw-in groove for the location in this mounting groove 101.Described insulating body 1 side is provided with the location notch 102 of the described mounting groove 101 of a connection, and this insulating body 1 side also is provided with a plurality of card convexs 103 for screens, and insulating body 1 bottom also forms the projection 104 of being convenient to assemble.Described insulating body 1 forms one in jack 10 ends and is used for the extrusion arm that external electronic building brick compresses.
Described metal shell 3 is coated on insulating body 1 outer surface, and with earth terminal 26 in the second kink 266 of extension 264 inconsistent, and be electrically connected.Form the screens section 31 that the card convex 103 with described insulating body 1 side is complementary in this metal shell 3, these metal shell 3 bottoms form for the installation foot 32 of installing.
During assembling, with the first terminal 21 and the second terminal 22, inserted forward mutually by the rear end of insulating body 1 by movable terminal 24 and fixed terminal 25, be the first terminal 21 and the second terminal 22, insert the terminal groove 100 of insulating bodies 1 by movable terminal 24 and fixed terminal 25, the first terminal 21 and the second terminal 22, be revealed in outside the insulating body 1 by the pin section 212,222,242,252 of movable terminal 24 and fixed terminal 25.The contact site 212 of the first terminal 21, the second terminal 22 is revealed in the jack 10, and its snap fit 214,224 and terminal groove 100 in the draw-in groove interference, to be fixed in the insulating body 1; The contact site 242 of movable terminal 24 is inconsistent with the extrusion arm of jack 10 ends, the contact site 252 of fixed terminal 25 is fixed in the terminal groove 100, and and the contact site 242 of movable terminal 24 between form one and come and go the spaces of action for the contact site 242 of movable terminal 24.
Described earth terminal 26 mode is from lower to upper inserted the mounting groove 101 that is embedded in the insulating body 1, wherein, the junction 260 of this earth terminal 26 and conducting contact 261 are revealed in the described jack 10, the extension 265 of this earth terminal 26 not only can be used for being electrically connected with metal shell 3, also can be used as the location division of earth terminal 265, this extension 265 is embedded in the location notch 102 in the insulating body 1, and the second kink 267 is positioned in insulating body 1 side, and the grab 264 of the installation portion 263 dual-side symmetrical molding of earth terminal 26 and the draw-in groove interference in the described mounting groove 101 make earth terminal 26 firmly be installed on insulating body 1.Described metal shell 3 is coated on insulating body 1 outer surface, and with earth terminal 26 in the second kink 266 of extension 264 inconsistent, and be electrically connected.In addition, the screens section 31 in the metal shell 3 is socketed on the card convex 103 of insulating body 1 side, to form firm assembling.
Two conducting structures of the formation in the utility model and two ground structure cooperatively interact, and make earth-continuity effect of the present utility model more stable, and have improved quality of the present utility model.
Certainly, the above only is specific embodiment of the utility model, be not to limit the utility model practical range, all equivalences of doing according to the described structure of the utility model claim, feature and principle change or modify, and all should be included in the utility model claim.
Claims (10)
1. two ground connection audio interface, it comprises insulating body, the metal shell that is embedded in the terminal in the insulating body and is installed on the insulating body outer surface, being provided with one on this insulating body can be for the jack of external electronic building brick grafting, described terminal comprise with external electronic building brick connect mutually first, two-terminal, mate the earth terminal that the switch terminal and that consists of is used for ground connection by movable terminal and fixed terminal, it is characterized in that: form one on the described earth terminal and be used for the junction that connects with external electronic building brick, also be provided with a conducting contact on this earth terminal, this conducting contact cooperates junction to form a pair of conducting structure.
2. a kind of pair of ground connection audio interface according to claim 1, it is characterized in that: the described junction that described earth terminal comprises a main part, takes shape in the installation portion of main part both sides, takes shape in the pin section of main part rear end and take shape in the main part front end, described conducting contact is arranged on the main part.
3. a kind of pair of ground connection audio interface according to claim 2, it is characterized in that: the junction of described earth terminal protrudes from main part, and is higher than the conducting contact that is positioned on the main part.
4. a kind of pair of ground connection audio interface according to claim 2 is characterized in that: the installation portion of described earth terminal also forms one and is used for the extension that is electrically connected with described metal shell.
5. a kind of pair of ground connection audio interface according to claim 2, it is characterized in that: the installation portion dual-side symmetrical molding of described earth terminal has grab.
6. a kind of pair of ground connection audio interface according to claim 4 is characterized in that: described extension comprises by installation portion to the first kink of downward-extension and bending forming and bent and extended into the second kink of type by the first kink.
7. a kind of pair of ground connection audio interface according to claim 1, it is characterized in that: described insulating body rear end is provided be used to the terminal groove that holds first and second terminal and switch terminal; This insulating body bottom forms one and is used for holding mounting groove earth terminal and that be complementary with the earth terminal moulding.
8. a kind of pair of ground connection audio interface according to claim 7 is characterized in that: described insulating body side is provided with a location notch that is communicated with described mounting groove, and this insulating body side also is provided with a plurality of card convexs for screens.
9. the described a kind of pair of ground connection audio interface of any one according to claim 1-8, it is characterized in that: the junction of described earth terminal is an elasticity contact arm.
10. a kind of pair of ground connection audio interface according to claim 6, it is characterized in that: described metal shell is coated on the insulating body outer surface, and inconsistent with the second kink of extension in the earth terminal, and be electrically connected, this second kink cooperates described pin section to form two ground structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220321752 CN202651523U (en) | 2012-07-04 | 2012-07-04 | Double grounding audio interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220321752 CN202651523U (en) | 2012-07-04 | 2012-07-04 | Double grounding audio interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202651523U true CN202651523U (en) | 2013-01-02 |
Family
ID=47420574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220321752 Expired - Fee Related CN202651523U (en) | 2012-07-04 | 2012-07-04 | Double grounding audio interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202651523U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112103725A (en) * | 2019-06-18 | 2020-12-18 | Eizo株式会社 | Grounding structure, power supply substrate, electric device and grounding method |
-
2012
- 2012-07-04 CN CN 201220321752 patent/CN202651523U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112103725A (en) * | 2019-06-18 | 2020-12-18 | Eizo株式会社 | Grounding structure, power supply substrate, electric device and grounding method |
| CN112103725B (en) * | 2019-06-18 | 2021-10-08 | Eizo株式会社 | Grounding structure, power supply substrate, electric device and grounding method |
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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: 20130102 Termination date: 20190704 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |