CN202678637U - Electric connector - Google Patents
Electric connector Download PDFInfo
- Publication number
- CN202678637U CN202678637U CN 201220147372 CN201220147372U CN202678637U CN 202678637 U CN202678637 U CN 202678637U CN 201220147372 CN201220147372 CN 201220147372 CN 201220147372 U CN201220147372 U CN 201220147372U CN 202678637 U CN202678637 U CN 202678637U
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- CN
- China
- Prior art keywords
- terminal
- electric connector
- weld part
- hyoplastron
- contact site
- 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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Abstract
The utility model reveals an electric connector, and is cooperated with a butting plug, the electric connector comprises an insulation body and several conductive terminals; the insulation body has a main body part and a hyoplastron part extending forward from the main body part; the conductive terminal is arranged in the hyoplastron part, and a connection part exposed to the open air is used for connecting the butting plug, a weld part extended out of the insulation body and a connection part positioned between the connection part and the weld part; the conductive terminal comprises several grounding terminals and several pairs of differential signal terminals, and the weld part of a pair of differential signal terminal is provided between the weld parts of the adjacent two grounding terminals. Compared with the prior art, the weld part of the pair of differential signal terminal is provided between the weld parts of the adjacent two grounding terminals. The weld part of the conductive terminal with arrangement can effectively reduce the crosstalk between the adjacent difference signal terminal pair for effectively increasing the signal transmission quality.
Description
Technical field
The utility model relates to a kind of electric connector, relates in particular to a kind of electric connector that is installed on the circuit board.
Background technology
Existing USB 3.0 (USB) is the interfacing of current comparatively general transmitting high-frequency signal.This interface has the data transmission bauds up to 4.8Gpbs, simultaneously can backward compatible USB2.0 version.When existing connector is used for the high-frequency signal transmission, thus between the adjacent conductive terminal very easily induced electricity disturb and crosstalk phenomenon occurs, and then destroy Signal integrity.Along with the telecommunication that uses high-frequency signal becomes more general, this signal cross-talk reduce day by day to become a key factor in the electric connector design.
In view of the above problems, be necessary the electric connector of knowing is further improved, to address the above problem.
The utility model content
For the deficiencies in the prior art, the technical problem that the utility model solves provides a kind of electric connector, and this electric connector can improve the high-frequency signal transmission quality.
For solving the problems of the technologies described above, the technical solution of the utility model is achieved in that
A kind of electric connector can cooperate with banjo, comprising: insulating body and some conducting terminals; Described insulating body has the hyoplastron that main part and autonomous body extend forward; Described conducting terminal is installed in the described hyoplastron, and it is provided with and is exposed in the air and in order to the contact site that connects banjo, the weld part that extends described insulating body and the connecting portion between described contact site and described weld part; Described conducting terminal comprises some earth terminals and some to difference signal terminal, is provided with the weld part of a pair of difference signal terminal between the weld part of described adjacent two earth terminals.
Further, described conducting terminal comprises the first terminal and the second terminal, and the contact site of described the first terminal and the second terminal is in described hyoplastron the same side.
Further, the contact site of described the first terminal is convex and has elasticity, the contact site of described the second terminal be tabular and compared to the contact site of the first terminal more away from described main part.
Further, the end of the contact site of described the second terminal is extended with fixed part, and described fixed part is embedded in the described insulating body.
Further, described insulating body the second terminal containing slot of being provided with to accommodate the first terminal accepting groove of described the first terminal and being used for accommodating described the second terminal.
Further, the arrangement that is spaced apart from each other of described the first terminal accepting groove and described the second terminal containing slot, and be two rows along described insulating body short transverse and arrange.
Further, the plane, connecting portion place of the plane, connecting portion place of described the second terminal and the first terminal is setting up and down along the electric connector thickness direction.
Further, described hyoplastron offers and somely runs through the first through hole and some ventilation slots of offering along described hyoplastron length direction of described hyoplastron along described hyoplastron short transverse, and described ventilation slot is communicated with described the first through hole; Described the second terminal containing slot comprises built-in groove and near described front end face and the external groove that caves inward from described bottom face.
Further, described external groove offers the second through hole, and described the second through hole runs through described top end face.
Further, the weld part of described the first terminal and the second terminal is staggered along same row, and in this arrangement mode, outermost two weld parts that weld part is earth terminal.
The beneficial effects of the utility model are: compared to prior art, be provided with the right weld part of staggered a pair of difference signal terminal between the weld part of adjacent two earth terminals of the utility model electric connector.The weld part of the first terminal of arranging like this and the weld part of the second terminal, can effectively reduce the adjacent differential signal terminal between crosstalk, thereby effectively improved signal transmission quality.
Description of drawings
Fig. 1 is the stereogram of the utility model electric connector.
Fig. 2 is the insulating body stereogram of electric connector shown in Figure 1.
Fig. 3 is another visual angle stereogram of the insulating body of electric connector shown in Figure 1.
Fig. 4 is conducting terminal, retaining component, the setting element of the electric connector shown in Figure 1 stereogram of working in coordination.
Fig. 5 is the stereogram after insulating body, conducting terminal, retaining component and the setting element of electric connector shown in Figure 1 assembles.
Fig. 6 is the shielding casing stereogram of electric connector shown in Figure 1.
Fig. 7 is the weld part electric field line distribution schematic diagram of the conducting terminal of electric connector shown in Figure 1.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the drawings and specific embodiments the utility model is described in detail.
Shown in please refer to the drawing 1, the utility model electric connector 100 can be installed in (not shown) on the external circuit board, and described electric connector 100 comprises insulating body 10, be housed in conducting terminal 20, retaining component 30, setting element 40(please refer to the drawing 4 in the described insulating body 10) and the shielding casing 50 that is used for accommodating described insulating body 10.
Please refer to the drawing 2 and in conjunction with shown in Figure 3, described insulating body 10 have the forward hyoplastron 12 that extends of one of a main part 11 and autonomous body 11.Described main part 11 is roughly rectangular-shaped, comprises the front surface 111 that connects described hyoplastron 12, rear surface 112, the side surface 113 described front surface 111 and rear surface 112 between relative with described front surface 111, is positioned at the basal surface 114 of described main part 11 bottoms and the top surface 115 relative with described basal surface 114.Described main part 11 rear recess have host cavity 13, the support portion 132 that described host cavity 13 has two inner surfaces 131 and protrudes out in the host cavity 13 from inner surface 131.The both sides of described basal surface 114 have protruded out the first fixed part 133 downwards near described side surface 113 places.Described both side surface 113 has outwards protruded out the second fixed part 134 near described top surface 115 places.Described the first fixed part 133, described the second fixed part 134 roughly are rectangular-shaped, yet this shape can be established and Without wishing on demand.Depression is fluted 135 on the described rear surface 112, and described groove 135 runs through described side surface 113 and described inner surface 131.Described front surface 111 protrudes out forward two near described basal surface 114 places and is rectangular-shaped hold-down arm 136.Described hyoplastron 12 has top end face 121, bottom face 122 and the front end face 123 described top end face 121, bottom face 122 between relative with described top end face 121.Described bottom face 122 is concaved with the first terminal accepting groove 14 of four lengthwises, and described the first terminal accepting groove 14 runs through described front surface 111 and is connected with host cavity 13.Described hyoplastron 12 is provided with five the second terminal containing slots 15, and described the second terminal containing slot 15 comprises built-in groove (not shown) and near described front end face 123 and the external groove 151 that caves inward from described bottom face 122.Arrangements that be spaced apart from each other of described the second terminal containing slot 15 and described the first terminal accepting groove 14, and be the two rows arrangement along described insulating body 10 short transverses.Described bottom face 122 offers some along described hyoplastron 12 short transverses and run through the first through hole 152 of described hyoplastron 12, in order to strengthen the thermal convection with space outerpace.Described top end face 121 has some ventilation slots 154 of offering along described hyoplastron 12 length directions, and described ventilation slot 154 is communicated with described the first through hole 152, in order to the thermal convection of further enhancing and space outerpace.Described external groove 151 offers the second through hole 153, and described the second through hole 153 runs through described top end face 121, thereby strengthens the thermal convection of described external groove 151 and space outerpace.
Please refer to the drawing 4, shown in Figure 5, described conducting terminal 20 comprise and are contained in the first terminal 21 in the first terminal accepting groove 14 and are contained in the second terminal 22 in the second terminal containing slot 15.Described the first terminal 21 is exposed in the air, comprises contact site 211, extends weld part 213 and the connecting portion 212 between described contact site 211 and described weld part 213 of described insulating body 10.Described contact site 211 protrudes out described bottom face 122 and has elasticity, and described connecting portion 212 is roughly L-shaped with described weld part 213.The connecting portion 212 of described the first terminal 21 is coplanar and be parallel to top end face 121, the bottom face 123 of described hyoplastron 12 each other.Described the first terminal 21 comprises two earth terminals 214 and a pair of difference signal terminal 215 between described two earth terminals 214.Described the second terminal 22 comprises and is exposed in the air and is contained in contact site 221 in the described external groove 151, extends the weld part 223 of described insulating body 10 and between described contact site 221 and described weld part 223 and be contained in connecting portion 222 in the described built-in groove.Described contact site 221 is tabular, its position is between described top end face 121 and described bottom face 122, its front end bending is extended with the fixed part 224 that is embedded in the described insulating body 10, and described fixed part 224 cooperates in order to described contact site 221 is fixed in the described external groove 151 with described external groove 151.The contact site 221 of described the second terminal 22 compared to the contact site 211 of the first terminal 21 more away from described main part 11, namely along on butt connector (not shown) direction of insertion, the contact site 221 of described the second terminal 22 is reached early than the contact site 211 of described the first terminal 21 and with described butt connector terminal and is connected.Described weld part 223 is roughly L-shaped.The connecting portion 222 of described the second terminal 22 is coplanar and be parallel to top end face 121, the bottom face 122 of described hyoplastron 12 each other.The difference signal terminal that described the second terminal 22 comprises an earth terminal 225 and is positioned at described earth terminal 225 both sides is to 226.The connecting portion 222 of described earth terminal 225 is inverted " Y " shape, and this earth terminal 225 has two described weld parts 223.The plane, connecting portion 212 place of the connecting portion plane, 222 place of described the second terminal 22 and the first terminal 21 is setting up and down along the thickness direction of described electric connector 100.In this preferred embodiments, described electric connector 100 meets the interface specification of USB3.0.Simultaneously, described the second terminal 22 be can ejection formation in described insulating body 10.But this kind mounting means can be decided according to actual demand, and Without wishing.
Shown in please refer to the drawing 4, described retaining component 30 is rectangular-shaped, is used for locating the weld part 223 of described the second terminal 22, so that the relative position of the weld part 223 of described the second terminal 22 is fixed.This retaining component 30 is one-body molded with the weld part 223 of described the second terminal 22.
Shown in please refer to the drawing 4, described setting element 40 has a positioning body 41, and described positioning body 41 comprises end face 411, the bottom surface 413 relative with described end face 411, the side 412 between described end face 411 and described bottom surface 413 and perpendicular to the back 414 of described end face 411 with described side 412.Described end face 411 both sides have upwards protruded out two cantilevers 42, in order to cooperate with described support portion 132 described setting element 40 are fixed on the described insulating body 10.Described side 412 has protruded out laterally keeps out arm 43, in order to cooperating with described the first fixed part 133, thereby described setting element 40 is fixed together with described insulating body 10.Described back 414 is concaved with some holding slots 44 and is used for the weld part 213 of the described the first terminal 21 of fixing and the weld part 223 of described the second terminal 22.But note, be retained on the weld part 223 of the weld part 213 of the first terminal 21 in the described holding slot 44 and the second terminal 22 according to following regularly arranged: be provided with the right weld part of staggered a pair of difference signal terminal between the weld part of adjacent two earth terminals.Figure 7 shows that electric field line 60 distribution schematic diagrams of the weld part that the weld part of adjacent two earth terminals and therebetween a pair of difference signal terminal are right.Because the weld part ground connection of described earth terminal, therefore the electromotive force of the weld part of described earth terminal equates, thereby for the right weld part of difference signal terminal between the weld part of described adjacent earth terminal has been made a shielding space, avoided the interference of external electromagnetic field, and then effectively reduce by two difference signal terminal between the earth terminal 214 to 215 and the difference signal terminal of earth terminal 225 both sides to crosstalking between 226, effectively improved signal transmission quality.
Shown in please refer to the drawing 6, described shielding casing 50 comprises roof face 51, diapire face 53 and the side wall surface 52 described roof face 51 and described diapire face 53 between relative with described roof face 51.Described roof face 51 is provided with the first elastic arm 54 with described diapire face 53, and described roof face 51 also is provided with the second elastic arm 55, and described side wall surface 52 is provided with the 3rd elastic arm 56.Described side wall surface 52 rear ends are extended with downwards described electric connector 100 is welded on leg 531 on the circuit board, and bending is extended with support division 532 backward, and depression is provided with holddown groove 533 forward.Described support division 532 supports described groove 135, and described holddown groove 533 matches with described the second fixed part 134, thereby described insulating body 10 is fixed in the described shielding casing 50.
Compared to prior art, be provided with the right weld part of staggered a pair of difference signal terminal between the weld part of adjacent two earth terminals of the utility model electric connector 100.The weld part 213 of the first terminal 21 of arranging like this and the weld part 223 of the second terminal 22, can effectively reduce by two difference signal terminal between the earth terminal 214 to 215 and the difference signal terminal of earth terminal 225 both sides to crosstalking between 226, thereby effectively improved signal transmission quality.
It may be noted that especially the common skill personnel for this area, that does under instruction of the present utility model changes for equivalence of the present utility model, must be included in the scope that the utility model claim advocates.
Claims (10)
1. an electric connector can cooperate with banjo, comprising: insulating body and some conducting terminals; Described insulating body has the hyoplastron that main part and autonomous body extend forward; Described conducting terminal is installed in the described hyoplastron, and it is provided with and is exposed in the air and in order to the contact site that connects banjo, the weld part that extends described insulating body and the connecting portion between described contact site and described weld part; Described conducting terminal comprises some earth terminals and some to difference signal terminal, it is characterized in that: the weld part that is provided with a pair of difference signal terminal between the weld part of described adjacent two earth terminals.
2. electric connector as claimed in claim 1, it is characterized in that: described conducting terminal comprises the first terminal and the second terminal, the contact site of described the first terminal and the second terminal is in described hyoplastron the same side.
3. electric connector as claimed in claim 2, it is characterized in that: the contact site of described the first terminal is convex and has elasticity, the contact site of described the second terminal be tabular and compared to the contact site of the first terminal more away from described main part.
4. electric connector as claimed in claim 3, it is characterized in that: the end of the contact site of described the second terminal is extended with fixed part, and described fixed part is embedded in the described insulating body.
5. electric connector as claimed in claim 4 is characterized in that: the second terminal containing slot that described insulating body is provided with to accommodate the first terminal accepting groove of described the first terminal and is used for accommodating described the second terminal.
6. electric connector as claimed in claim 5 is characterized in that: the arrangement that is spaced apart from each other of described the first terminal accepting groove and described the second terminal containing slot, and be two rows along described insulating body short transverse and arrange.
7. electric connector as claimed in claim 6, it is characterized in that: the plane, connecting portion place of the plane, connecting portion place of described the second terminal and the first terminal is setting up and down along the electric connector thickness direction.
8. electric connector as claimed in claim 5, it is characterized in that: described hyoplastron offers and somely runs through the first through hole and some ventilation slots of offering along described hyoplastron length direction of described hyoplastron along described hyoplastron short transverse, and described ventilation slot is communicated with described the first through hole; Described the second terminal containing slot comprises built-in groove and near described front end face and the external groove that caves inward from described bottom face.
9. electric connector as claimed in claim 8, it is characterized in that: described external groove offers the second through hole, and described the second through hole runs through described top end face.
10. electric connector as claimed in claim 9, it is characterized in that: the weld part of described the first terminal and the second terminal is staggered along same row, and in this arrangement mode, outermost two weld parts that weld part is earth terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220147372 CN202678637U (en) | 2012-04-10 | 2012-04-10 | Electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220147372 CN202678637U (en) | 2012-04-10 | 2012-04-10 | Electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202678637U true CN202678637U (en) | 2013-01-16 |
Family
ID=47499514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220147372 Expired - Fee Related CN202678637U (en) | 2012-04-10 | 2012-04-10 | Electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202678637U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108306132A (en) * | 2017-01-12 | 2018-07-20 | 庆陞工业股份有限公司 | Has the signal terminal set of collocation structure |
-
2012
- 2012-04-10 CN CN 201220147372 patent/CN202678637U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108306132A (en) * | 2017-01-12 | 2018-07-20 | 庆陞工业股份有限公司 | Has the signal terminal set of collocation structure |
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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: 20130116 Termination date: 20160410 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |