CN205212086U - Electric connector - Google Patents
Electric connector Download PDFInfo
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- CN205212086U CN205212086U CN201520862944.XU CN201520862944U CN205212086U CN 205212086 U CN205212086 U CN 205212086U CN 201520862944 U CN201520862944 U CN 201520862944U CN 205212086 U CN205212086 U CN 205212086U
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- Prior art keywords
- insulator
- groove
- pair
- terminal
- electric connector
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Abstract
The utility model discloses an electric connector, including a first insulator, several terminal, a second insulator, a pair of shielding terminal and a cover shell. First insulator has offered the several and has run through the groove. Several terminal integrated into one piece is on first insulator. The inserting groove that the second insulator has a roof, a bottom plate and both sides board and encloses jointly. The roof of second insulator and bottom plate be concave establishes a pair of fixed slot. The concave accepting groove of establishing of rear surface of second insulator. Each shielding terminal includes a stationary blade, a pair of elasticity portion and connecting portion. The rear end of stationary blade is extended and is formed a pair of extension portion and a pair of portion that replaces. It is outside that first insulator, second insulator and shielding terminal are located to the cover shell cover. First insulator installs in the accepting groove. In the fixed slot was fixed in in stationary blade, elasticity portion, connecting portion and the portion of replacing of shielding terminal, extension portion stretched into backward and runs through the inslot, and the portion of replacing in cover shell. The utility model discloses electric connector effectively reduces the crosstalk phenomenon.
Description
Technical field
The utility model relates to a kind of connector, particularly relates to a kind of electric connector.
Background technology
Cross talk phenomenon can affect the integrality of signal, makes signal receiving terminal cannot accept correct signal, and may cause erroneous judgement.Modal cross-talk noise is when two people take on the telephone, and can hear unintentionally that other people occur by sound, this is most typical cross-talk noise.
Near-end crosstalk and long-range cross talk phenomenon in general electric connector, the interference signal making the signal of each terminal can be mingled with other terminal to produce, and cause signal transmission quality low.Such problem, in the electric connector of high-frequency signal transmission, when size is more done less, the cross talk phenomenon between signal terminal will be more remarkable.The method that general electric connector improves cross-talk is by increasing metallic shield between each terminal, to reduce the coupling of the electromagnetic field of high-frequency signal, and then the signal disturbing that reduction cross-talk causes.
But, be connect to add other metal object and special formed processing again in aforementioned improvement mode, manufacturing cost can be made to increase.How to improve cross-talk again escapable cost be the problem that present high frequency often faces.
Utility model content
The purpose of this utility model is the deficiency that exists for above-mentioned prior art and provides a kind of electric connector, and this electric connector can reduce cross talk phenomenon effectively.
For achieving the above object, the utility model provides a kind of electric connector, comprise one first insulator, several terminals, one second insulator, a pair shield terminal and a shielding casing, the both sides, upper and lower end face of described first insulator respectively under upwards depression run through forward the first insulator and formed and severally run through groove, described several terminals is the then sequentially arrangement in a lateral direction in two row's arrangements in vertical direction, be shaped on the first insulator, described second insulator has a top board, one base plate and biside plate and the inserting groove jointly surrounded, the top board of described second insulator and base plate are respectively to lower and be upwards recessed to form a pair holddown groove, an accepting groove is recessed to form forward in the middle part of the rear surface of described second insulator, described a pair shield terminal take horizontal plane as symmetrical plane is upper and lower symmetrical structure, the stator that each shield terminal extends about comprising a level, bend inwards forward again after stretching out forward from the both sides, front end of stator and extend to form a pair elastic portion, the end of elastic portion is horizontally connected with a junction, extend back from the both sides, rear end of stator formation a pair extension, a pair top is upwards extended to form backward in the middle part of the rear end of stator, described shielding casing is sheathed on the first insulator, second insulator and shield terminal outside, first insulator and several terminals are assembled on the second insulator from back to front, wherein, first insulator is installed in the accepting groove of the second insulator, shield terminal correspondence is installed in the holddown groove of the second insulator, the stator of shield terminal, elastic portion, connecting portion and top are fixed in the holddown groove of the second insulator, what the extension of shield terminal then extend into the first insulator backward runs through in groove, the top of shield terminal is resisted against shielding casing inner surface.
As further improvement, the cephalolateral margin of described connecting portion bend again inside oblique extension backward downwards and its end backward outside oblique bending extend to form at least one abutting part, connecting portion corresponds to the outside oblique bending in posterior lateral margin place of each abutting part to extend back again formation one grounding parts, the top board of described second insulator and base plate offer several buckling grooves of top board and the base plate running through the second insulator up and down, and the abutting part of shield terminal is installed in the buckling groove of the second insulator.
As further improvement, the both side edges rear end of described stator bends inwards formation a pair installation portion, continue to cave in downwards and upwards and run through the top board of the second insulator and base plate forms several mounting groove in described holddown groove both sides, the installation portion of shield terminal is inserted into downwards in the mounting groove of the second insulator.
As further improvement, described electric connector also comprises a barricade, described barricade is between two row's terminals, be shaped on the first insulator, the fixed head that described barricade extends about having a level, extend to form forward a pair elastic arm from the both sides of fixed head, described elastic arm end inwardly protruding forms a pair clamping part, extends back and upwards bend formation a pair weld part that extend back again from the both sides of fixed head; The biside plate of described second insulator offers the storage tank that a pair runs through the second insulator backward, the fixed head of described barricade is fixed on the first insulator, the elastic arm of barricade is contained in the storage tank of the side plate of the second insulator, and the clamping part of elastic arm end inwardly extend in the inserting groove of the second insulator, the weld part of barricade then stretches out in the first insulator rear surface backward.
As further improvement, the top board of described second insulator and base plate offer the several terminals groove of top board and the base plate running through the second insulator up and down, the integral middle of described terminal takes shape on the first insulator, the front portion of terminal is contained in the terminal groove of the first insulator, and the rear portion of terminal then stretches out in the first insulator rear surface backward.
As further improvement, the both sides convex of described first insulator is provided with several blocked block, and the accepting groove both sides cell wall of described second insulator is arranged with several support slot, and the blocked block of the first insulator is sticked in the support slot of the second insulator.
As further improvement, in the middle part of the upper and lower end face of described first insulator respectively under be upwards recessed to form a pair backstop groove, the backstop groove of corresponding first insulator of described shielding casing inwardly rushes and is provided with stop tab, and the stop tab correspondence of shielding casing is sticked in the backstop groove of the first insulator.
As further improvement, described electric connector also comprises a pair insulating trip, take horizontal plane as symmetrical plane is upper and lower symmetrical structure, and described insulating trip correspondence is installed in the holddown groove of the second insulator, and is located between terminal and shield terminal.
As mentioned above, the utility model electric connector is arranged between terminal and shielding casing by the extension of shield terminal, and the top of shield terminal is resisted against shielding casing inner surface, terminal is made to be reduced to the distance of terminal to the extension of shield terminal to the distance of shielding casing, work as Distance Shortened, the coupling that signal is internal can be strengthened, and be not easily coupled to causing with other signals, thus reach the object reducing cross-talk.
Accompanying drawing explanation
Fig. 1 is the stereogram of a kind of embodiment of the utility model electric connector.
Fig. 2 is the three-dimensional exploded view of electric connector shown in Fig. 1.
Fig. 3 removes the stereogram of shielding casing for electric connector shown in Fig. 1.
Fig. 4 removes the three-dimensional exploded view of first, second shield terminal and first, second insulating trip for the electric connector shown in Fig. 3.
Fig. 5 is the stereogram of the first insulator of the utility model electric connector, terminal and barricade combination.
In figure, each description of reference numerals is as follows.
Electric connector 100 first insulator 10
Fixed part 11 extension 12
Blocked block 13 runs through groove 14
Stop block 15 terminal 20
Second insulator 30 top board 31
Base plate 32 side plate 33
Storage tank 331 inserting groove 34
Terminal groove 35 buckling groove 36
Holddown groove 37 mounting groove 371
Accepting groove 38 support slot 39
Insulating trip 40 shield terminal 50
Stator 51 installation portion 52
Elastic portion 53 connecting portion 54
Abutting part 55 grounding parts 56
Top, extension 57 58
Barricade 60 fixed head 61
Elastic arm 62 clamping part 63
Weld part 64 shielding casing 70
Stop tab 71.
Embodiment
By describing technology contents of the present utility model, structural feature in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with execution mode.
Refer to Fig. 1 and Fig. 2, the utility model electric connector 100 comprises one first insulator 10, several terminals 20,1 second insulator 30, a pair insulating trip 40, a pair shield terminal 50, barricade 60 and a shielding casing 70.
Refer to Fig. 2, described first insulator 10 there is a fixed part 11 and from fixed part 11 respectively to the upper extension 12 extended to form downwards.The both sides convex of the extension 12 of the first insulator 10 is provided with several blocked block 13.The both sides, upper and lower end face of the extension 12 of the first insulator 10 respectively under upwards depression the extension 12 running through forward the first insulator 10 are formed and severally run through groove 14.In the middle part of the upper and lower end face of the extension 12 of the first insulator 10 respectively under be upwards recessed to form a pair backstop groove 15.
The structure of to take horizontal plane as symmetrical plane be two rows symmetric arrays that described several terminals 20 is.
The inserting groove 34 that described second insulator 30 has top board 31, base plate 32 and biside plate 33 and jointly surrounds, inserting groove 34 is for grafting butt connector.The top board 31 of the second insulator 30 and base plate 32 offer and runs through the top board 31 of the second insulator 30 and the several terminals groove 35 of base plate 32 up and down.The top board 31 of the second insulator 30 and base plate 32 offer in terminal groove 35 front end and run through the top board 31 of the second insulator 30 and several buckling grooves 36 of base plate 32 up and down.The top board 31 of the second insulator 30 and base plate 32 are respectively to lower and be upwards recessed to form a pair holddown groove 37.Continue to cave in downwards and upwards and run through the top board 31 of the second insulator 30 and base plate 32 forms several mounting groove 371 in described holddown groove 37 both sides.The biside plate 33 of the second insulator 30 offers the storage tank 331 running through the second insulator 30 for a pair backward.An accepting groove 38 is recessed to form forward in the middle part of the rear surface of the second insulator 30.The accepting groove 38 both sides cell wall of the second insulator 30 is arranged with several support slot 39.
Described two insulating trips 40 take horizontal plane as symmetrical plane is upper and lower symmetrical structure.
Described two shield terminals 50 take horizontal plane as symmetrical plane is upper and lower symmetrical structure.The stator 51 extended about each shield terminal 50 comprises a level.Inwardly a pair installation portion 52 is bent to form perpendicular to stator 51 from the both side edges of stator 51.Bend inwards forward again after stretching out forward from the both sides, front end of stator 51 and extend to form a pair elastic portion 53.The end of elastic portion 53 is horizontally connected with a junction 54.The cephalolateral margin of connecting portion 54 bend again inside oblique extension backward downwards and its end backward outside oblique bending extend to form at least one abutting part 55.Connecting portion 54 corresponds to the outside oblique bending in posterior lateral margin place of each abutting part 55 to extend back again formation one grounding parts 56.Extend back from the both sides, rear end of stator 51 formation a pair extension 57.A pair top 58 is upwards extended to form backward in the middle part of the rear end of stator 51.
The fixed head 61 extended about described barricade 60 has a level.Extend to form forward a pair elastic arm 62 from the both sides of fixed head 61, described elastic arm 62 end inwardly protruding forms a pair clamping part 63.Extend back from the both sides of fixed head 61 and upwards bend formation a pair weld part 64 that extend back again.
Described shielding casing 70 is a tubular shell.The backstop groove 15 of corresponding first insulator 10 of described shielding casing 70 inwardly rushes and is provided with stop tab 71.
Refer to Fig. 5, when the utility model electric connector 100 is assembled, by the then sequentially arrangement in a lateral direction in two row's arrangements in several terminals 20 vertical direction, and barricade 60 is between two row's terminals 20.Described terminal 20 and barricade 60 are shaped on the first insulator 10.Wherein, the integral middle of terminal 20 takes shape on the first insulator 10, and the front portion of terminal 20 stretches out in forward the first insulator 10 front surface, and the rear portion of terminal 20 then stretches out in the first insulator 10 rear surface backward.The fixed head 61 of barricade 60 is fixed on the first insulator 10, and the elastic arm 62 of barricade 60 stretches out in the first insulator 10 both sides, and the weld part 64 of barricade 60 stretches out in the first insulator 10 rear surface backward.
Refer to Fig. 4, the assembly of the first insulator 10, several terminals 20 and barricade 60 is assembled on the second insulator 30 from back to front.Wherein, prevent the first insulator 10 from departing from the second insulator 30 backward in the support slot 39 that the blocked block 13 that the first insulator 10 is installed in accepting groove 38, first insulator 10 of the second insulator 30 is sticked in the second insulator 30.The front portion of terminal 20 is contained in the terminal groove 35 of the first insulator 10.The elastic arm 62 of barricade 60 is contained in the storage tank 331 of the side plate 33 of the second insulator 30, and the inserting groove 34 that the clamping part 63 of elastic arm 62 end inwardly extend into the second insulator 30 is interior for clamping butt connector.
Refer to Fig. 3, insulating trip 40 correspondence is installed in the holddown groove 37 of the second insulator 30, and contacts with terminal 20.
Please continue to refer to Fig. 3, shield terminal 50 correspondence is installed in the holddown groove 37 of the second insulator 30, and contacts with insulating trip 40.Wherein the stator 51 of shield terminal 50, elastic portion 53, connecting portion 54 and top 58 are fixed in the holddown groove 37 of the second insulator 30.For strengthening fixed mask terminal 50 in the mounting groove 371 that the installation portion 52 of shield terminal 50 is inserted into the second insulator 30 downwards.The abutting part 55 of shield terminal 50 is installed in the buckling groove 36 of the second insulator 30.57, the extension of shield terminal 50 extend into running through in groove 14 of the first insulator 10 backward.The grounding parts 56 of shield terminal 50 and top 58 protrude upward the second insulator 30 upper surface.Wherein, insulating trip 40 is located between terminal 20 and shield terminal 50, can effectively prevent terminal 20 from contacting and short circuit with shield terminal 50 when generation elastic deformation expands outwardly.The grounding parts 56 of shield terminal 50 can contact with shielding casing 70 in grafting process, enhanced grounding function.
Shielding casing 70 is sheathed on the first insulator 10, second insulator 30 and shield terminal 50 is outside.Wherein the top 58 of shield terminal 50 is resisted against shielding casing 70 inner surface for being grounded function.Prevent shielding casing 70 from coming off forward in the backstop groove 15 that stop tab 71 correspondence of shielding casing 70 is sticked in the first insulator 10.
As mentioned above, the utility model electric connector 100 is arranged between terminal 20 and shielding casing 70 by the extension 57 of shield terminal 50, and the top 58 of shield terminal 50 is resisted against shielding casing 70 inner surface, terminal 20 is made to be reduced to the distance of terminal 20 to the extension 57 of shield terminal 50 to the distance of shielding casing 70, work as Distance Shortened, the coupling that signal is internal can be strengthened, and be not easily coupled to causing with other signals, thus reach the object reducing cross-talk.
Claims (8)
1. an electric connector, it is characterized in that: comprise one first insulator, several terminals, one second insulator, a pair shield terminal and a shielding casing, the both sides, upper and lower end face of described first insulator respectively under upwards depression run through forward the first insulator and formed and severally run through groove, described several terminals is the then sequentially arrangement in a lateral direction in two row's arrangements in vertical direction, be shaped on the first insulator, described second insulator has a top board, one base plate and biside plate and the inserting groove jointly surrounded, the top board of described second insulator and base plate are respectively to lower and be upwards recessed to form a pair holddown groove, an accepting groove is recessed to form forward in the middle part of the rear surface of described second insulator, described a pair shield terminal take horizontal plane as symmetrical plane is upper and lower symmetrical structure, the stator that each shield terminal extends about comprising a level, bend inwards forward again after stretching out forward from the both sides, front end of stator and extend to form a pair elastic portion, the end of elastic portion is horizontally connected with a junction, extend back from the both sides, rear end of stator formation a pair extension, a pair top is upwards extended to form backward in the middle part of the rear end of stator, described shielding casing is sheathed on the first insulator, second insulator and shield terminal outside, first insulator and several terminals are assembled on the second insulator from back to front, wherein, first insulator is installed in the accepting groove of the second insulator, shield terminal correspondence is installed in the holddown groove of the second insulator, the stator of shield terminal, elastic portion, connecting portion and top are fixed in the holddown groove of the second insulator, what the extension of shield terminal then extend into the first insulator backward runs through in groove, the top of shield terminal is resisted against shielding casing inner surface.
2. electric connector as claimed in claim 1, it is characterized in that: the cephalolateral margin of described connecting portion bend again inside oblique extension backward downwards and its end backward outside oblique bending extend to form at least one abutting part, connecting portion corresponds to the outside oblique bending in posterior lateral margin place of each abutting part to extend back again formation one grounding parts, the top board of described second insulator and base plate offer several buckling grooves of top board and the base plate running through the second insulator up and down, and the abutting part of shield terminal is installed in the buckling groove of the second insulator.
3. electric connector as claimed in claim 1, it is characterized in that: the both side edges rear end of described stator bends inwards formation a pair installation portion, continue to cave in downwards and upwards and run through the top board of the second insulator and base plate forms several mounting groove in described holddown groove both sides, the installation portion of shield terminal is inserted into downwards in the mounting groove of the second insulator.
4. electric connector as claimed in claim 1, it is characterized in that: described electric connector also comprises a barricade, described barricade is between two row's terminals, be shaped on the first insulator, the fixed head that described barricade extends about having a level, extend to form forward a pair elastic arm from the both sides of fixed head, described elastic arm end inwardly protruding forms a pair clamping part, extends back and upwards bend formation a pair weld part that extend back again from the both sides of fixed head; The biside plate of described second insulator offers the storage tank that a pair runs through the second insulator backward, the fixed head of described barricade is fixed on the first insulator, the elastic arm of barricade is contained in the storage tank of the side plate of the second insulator, and the clamping part of elastic arm end inwardly extend in the inserting groove of the second insulator, the weld part of barricade then stretches out in the first insulator rear surface backward.
5. electric connector as claimed in claim 1, it is characterized in that: the several terminals groove top board of described second insulator and base plate offering top board and the base plate running through the second insulator up and down, the integral middle of described terminal takes shape on the first insulator, the front portion of terminal is contained in the terminal groove of the first insulator, and the rear portion of terminal then stretches out in the first insulator rear surface backward.
6. electric connector as claimed in claim 1, it is characterized in that: the both sides convex of described first insulator is provided with several blocked block, the accepting groove both sides cell wall of described second insulator is arranged with several support slot, and the blocked block of the first insulator is sticked in the support slot of the second insulator.
7. electric connector as claimed in claim 1, it is characterized in that: in the middle part of the upper and lower end face of described first insulator respectively under be upwards recessed to form a pair backstop groove, the backstop groove of corresponding first insulator of described shielding casing inwardly rushes and is provided with stop tab, and the stop tab correspondence of shielding casing is sticked in the backstop groove of the first insulator.
8. electric connector as claimed in claim 1, it is characterized in that: described electric connector also comprises a pair insulating trip, take horizontal plane as symmetrical plane be upper and lower symmetrical structure, described insulating trip correspondence is installed in the holddown groove of the second insulator, and is located between terminal and shield terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520862944.XU CN205212086U (en) | 2015-10-30 | 2015-10-30 | Electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520862944.XU CN205212086U (en) | 2015-10-30 | 2015-10-30 | Electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205212086U true CN205212086U (en) | 2016-05-04 |
Family
ID=55849782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520862944.XU Expired - Fee Related CN205212086U (en) | 2015-10-30 | 2015-10-30 | Electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205212086U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109309308A (en) * | 2017-07-26 | 2019-02-05 | 连展科技（深圳）有限公司 | Plug electric connector |
-
2015
- 2015-10-30 CN CN201520862944.XU patent/CN205212086U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109309308A (en) * | 2017-07-26 | 2019-02-05 | 连展科技（深圳）有限公司 | Plug electric connector |
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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: 20160504 Termination date: 20171030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |