CN202906120U - Electrical connector - Google Patents
Electrical connector Download PDFInfo
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- CN202906120U CN202906120U CN 201220527007 CN201220527007U CN202906120U CN 202906120 U CN202906120 U CN 202906120U CN 201220527007 CN201220527007 CN 201220527007 CN 201220527007 U CN201220527007 U CN 201220527007U CN 202906120 U CN202906120 U CN 202906120U
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- insulating body
- difference signal
- electric connector
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Abstract
An electrical connector is mounted to a circuit board that includes a signal conductive pad and a ground conductive pad. The ground conductive pad is longer than the signal conductive pad. The electric connector comprises an insulating body and a first group of terminals. The insulating body comprises a slot. The first set of terminals includes two pairs of differential signal terminals and a plurality of ground terminals. Each pair of differential signal terminals is between two corresponding ground terminals. Each terminal of the first set of terminals includes a fixing portion, a contact portion, an extending portion, a soldering portion, and an elastic bending portion. The fixing part is fixed on the insulating body. The contact portion extends from the fixing portion to the slot. The extending part extends out of the insulating body from the fixing part. The welding part is positioned on the corresponding signal or grounding conductive gasket. The elastic bending part is positioned between the extending part and the welding part. The utility model discloses the electromagnetic wave interference that produces when can effectively reduce the cross talk phenomenon between two differential signals and differential signal transmission, and the lateral margin of the welding part of signal terminal can be for the solder cladding, can strengthen the holding power.
Description
Technical field
The utility model relates to a kind of electric connector.
Background technology
String type SCSI (Serial attached SCSI; SAS) be a kind of communications protocol (communication protocol), the data access of its main proper calculation device storage device (such as hard disk or magnetic tape station etc.).SAS belongs to a kind of point-to-point serial protocol (point-to-point serial protocol), and it is to be substituted in the parallel SCSI bus technology that 1980 mid-nineties 90s released.The SAS device uses differential signal (differential signals) to carry out communication, differential signal can reduce the harmful effects such as capacity effect, inductive effect and noise that parallel SCSI meets with under high speed data transfer, thereby reaches stable and high speed serial communication (serial communication).
Each SAS device comprises at least one receiving and dispatching mechanism (transceiver mechanism), and receiving and dispatching mechanism comprises reflector (transmitter) and receiver (receiver).Available two pairs of wires connect respectively the reflector and corresponding receiver in the port of two SAS devices.The port of stream oriented device can use connecting line to be connected with connector.Figure 1A shows an existing SAS connector 1.SAS connector 1 can be welded on the circuit board 2.SAS connector 1 comprises a terminal group 11, and terminal group 11 can comprise two pairs of difference signal terminal, and wherein each is between two earth terminals to differential signal.Each terminal of terminal group 11 has a leg 111, and parallel circuit boards 2 extends but leg 111 is bent.Corresponding weld pad 21 can be set on the circuit board 2, and weld pad 21 is all isometric, and the leg 111 of each terminal of terminal group 11 can be welded on the corresponding weld pad 21, as shown in Figure 1B by surface mount technology (surface mount technology).
The entity connection speed of SAS connector 1 is 6.0Gbps.Can release SAS of new generation in the near future, and the entity connection speed of SAS of new generation can double with having the entity connection speed now further, reach 12Gbps.When the entity connection speed was increased to 12Gbps, serious electromagnetic interference (EMI emission) problem can occur with the combination of circuit board 2 in existing SAS connector 1.
The utility model content
Because foregoing problems, main purpose of the present utility model provides a kind of new electric connector, to reduce the Electromagnetic Interference that produces when cross-talk phenomenon between two differential signals and differential signal transmit.
The utility model one embodiment discloses a kind of electric connector.Electric connector is installed on a circuit board.Circuit board can comprise a plurality of signal conductive spacers and a plurality of ground connection conductive spacer, and wherein those ground connection conductive spacers can be longer than those signal conductive spacers.Electric connector can comprise an insulating body and one first group of terminal.Insulating body comprises a slot.First group of terminal comprises two pairs of difference signal terminal and a plurality of earth terminal.Each to difference signal terminal between the earth terminal of two correspondences.Two pairs of corresponding those signal conductive spacers of difference signal terminal.Corresponding those ground connection conductive spacers of those earth terminals.Each difference signal terminal can comprise a fixed part, a contact site, an extension, a weld part, and an elastic bend part.The fixed part of difference signal terminal can be fixed in the insulating body.The contact site of difference signal terminal can extend in the slot from the fixed part of difference signal terminal.The extension of difference signal terminal can extend outside the insulating body from the fixed part of difference signal terminal.The welding position of difference signal terminal is in the signal conductive spacer of correspondence.Elastic bend part can be between the weld part of the extension of difference signal terminal and difference signal terminal.Each earth terminal comprises a fixed part, a contact site, an extension, a weld part, and an elastic bend part.The fixed part of each earth terminal is fixed in the insulating body.Contact site extends in the slot from the fixed part of earth terminal.Extension extends outside the insulating body from the fixed part of earth terminal.The welding position is in the ground connection conductive spacer of correspondence.Elastic bend part is between the weld part of the extension of earth terminal and earth terminal.
Preferably, respectively this ground connection conductive spacer respectively this signal conductive spacer be provided with a mask segments of extending toward this electric connector direction.
Preferably, respectively this elastic bend part of this difference signal terminal and this earth terminal comprises a bending segment, and wherein respectively this bending segment extends at this signal conductive spacer of correspondence or the zone beyond this ground connection conductive spacer.
Preferably, this insulating body comprises a first side wall, one second sidewall and one first group of terminal groove, wherein this first side wall is the relative both sides that are positioned at this slot of this insulating body with this second sidewall, this first group of terminal groove is formed at this first side wall, and this first group of terminal organized accordingly into this first group of terminal groove.
Preferably, also comprise one second group of terminal and one the 3rd group of terminal, wherein this insulating body comprises one second group of terminal groove and one the 3rd group of terminal groove, wherein this second group of terminal organized accordingly into this second group of terminal groove, the 3rd group of terminal organized accordingly into the 3rd group of terminal groove, and this second group of terminal groove and the 3rd group of terminal groove are to be formed at this second sidewall.
Preferably, this second sidewall comprises a depressed part, and wherein this sunk part is every this second group of terminal groove and the 3rd group of terminal groove.
The utility model one embodiment discloses a kind of electric connector.Electric connector can be installed on a circuit board.Circuit board can comprise a plurality of signal conductive spacers and a plurality of ground connection conductive spacer, and wherein those ground connection conductive spacers comprise the mask segments that extends beyond those signal conductive spacers.Electric connector comprises an insulating body and one first group of terminal.Insulating body comprises a slot.First group of terminal comprises two pairs of difference signal terminal and a plurality of earth terminal.Each to difference signal terminal between the earth terminal of two correspondences.Two pairs of corresponding those signal conductive spacers of difference signal terminal.Each difference signal terminal comprises a fixed part, a contact site, an extension, a weld part and an elastic bend part, and wherein the fixed part of difference signal terminal is fixed in the insulating body; The contact site of difference signal terminal extends in the slot from the fixed part of difference signal terminal; The extension of difference signal terminal extends outside the insulating body from the fixed part of difference signal terminal; The welding position of difference signal terminal is in the signal conductive spacer of correspondence.Elastic bend part is between the weld part of the extension of difference signal terminal and difference signal terminal.Corresponding those ground connection conductive spacers of those earth terminals.Each earth terminal comprises a fixed part, a contact site, an extension and a weld part, and wherein the fixed part of earth terminal is fixed in the insulating body; The contact site of earth terminal extends in the slot from fixed part; The extension of earth terminal extends outside the insulating body from the fixed part of earth terminal; The weld part of earth terminal is extended by the end bending of the extension of earth terminal.The welding position of each earth terminal is in the conductive spacer of correspondence, and the weld part of each earth terminal partly is positioned at the mask segments of corresponding ground connection conductive spacer.
Preferably, respectively this mask segments of this ground connection conductive spacer is extended toward this electric connector direction.
Preferably, respectively this elastic bend part of this difference signal terminal comprises a bending segment, and wherein extend in the zone of this bending segment beyond this signal conductive spacer of correspondence.
Preferably, this insulating body comprises a first side wall, one second sidewall and one first group of terminal groove, wherein this first side wall is the relative both sides that are positioned at this slot of this insulating body with this second sidewall, this first group of terminal groove is formed at this first side wall, and this first group of terminal organized accordingly into this first group of terminal groove.
Preferably, also comprise one second group of terminal and one the 3rd group of terminal, wherein this insulating body comprises one second group of terminal groove and one the 3rd group of terminal groove, wherein this second group of terminal organized accordingly into this second group of terminal groove, the 3rd group of terminal organized accordingly into the 3rd group of terminal groove, and wherein this second group of terminal groove and the 3rd group of terminal groove are to be formed at this second sidewall.
Preferably, this second sidewall comprises a depressed part, and wherein this sunk part is every this second group of terminal groove and the 3rd group of terminal groove.
The advantage of the utility model embodiment has: the length of the signal conductive spacer on the circuit board is less than the ground connection conductive spacer, so can effectively reduce Electromagnetic Interference (the electromagnetic interference that produces when cross-talk phenomenon between two differential signals and differential signal transmit; EMI), and the weld part of signal terminal is to be positioned within the respective signal conductive spacer, can allow the lateral margin of weld part of signal terminal can be scolder and coat, thereby strengthen retain strength.
Description of drawings
Figure 1A shows an existing SAS connector;
Figure 1B shows that the leg of the terminal of existing SAS connector is positioned on the weld pad;
Fig. 2 is the schematic perspective view of the utility model one embodiment, and its illustration one electric connector is placed in a circuit board;
Fig. 3 is the schematic perspective view of the utility model one embodiment, one first group of terminal of its illustration one circuit board, an electric connector and separation;
Fig. 4 is the top view of Fig. 2 embodiment;
Fig. 5 is the cut-away view along the face line 5-5 of Fig. 4;
Fig. 6 is the cut-away view along the face line 6-6 of Fig. 4;
Fig. 7 is the perspective exploded view of the utility model one embodiment, and its illustration one electric connector is placed in a circuit board;
Fig. 8 is the schematic perspective view of another embodiment of the utility model, and its illustration one electric connector is placed in a circuit board;
Fig. 9 is the top view of the electric connector that is placed in a circuit board of the utility model one embodiment;
Figure 10 is the cut-away view along the face line 10-10 of Fig. 9;
Figure 11 is the cut-away view along the face line 11-11 of Fig. 9;
Figure 12 is the schematic perspective view of another embodiment of the utility model, and its illustration one electric connector is placed in a circuit board.
The main element symbol description
The 1SAS connector
2 circuit boards
3 circuit boards
4 electric connectors
5 circuit boards
7 electric connectors
10 electric connectors
11 terminal group
21 weld pads
31 ground connection conductive spacers
32 signal conductive spacers
33 conductive spacers
34 conductive spacers
40 first groups of terminals
41 insulating bodies
42 difference signal terminal
43 fixtures
44 earth terminals
50 second groups of terminals
51 perforates
60 the 3rd groups of terminals
70 first groups of terminals
71 earth terminals
72 difference signal terminal
80 the 3rd groups of terminals
111 legs
112 kinks
311 mask segments
411 slots
412 first groups of terminal grooves
413 second groups of terminal grooves
414 the 3rd groups of terminal grooves
415 the first side walls
416 second sidewalls
417 depressed parts
421 weld parts
422 elastic bend parts
423 extensions
424 fixed parts
425 contact sites
441 weld parts
442 elastic bend parts
443 extensions
444 fixed parts
445 contact sites
711 weld parts
712 extensions
713 fixed parts
714 contact sites
721 weld parts
722 elastic bend parts
723 extensions
724 fixed parts
725 contact sites
801 weld parts
4221 horizontal-extending sections
4222 bending segments
4421 horizontal-extending sections
4422 bending segments
7221 horizontal-extending sections
7222 bending segments.
Embodiment
Below cooperate accompanying drawing that embodiment of the present utility model is described in detail in detail.
Fig. 2 is the schematic perspective view of the utility model one embodiment, and its illustration one electric connector 4 is placed in a circuit board 3.Fig. 3 is the schematic perspective view of the utility model one embodiment, its illustration one circuit board 3, an electric connector 4 and the one first group of terminal 40 that separates.With reference to Fig. 2 and shown in Figure 3, electric connector 4 can be installed on the circuit board 3.Electric connector 4 can comprise an insulating body 41 and first group of terminal 40, and wherein first group of terminal 40 can be fixed on the insulating body 41.
In one embodiment, first group of terminal 40 can comprise two pairs of difference signal terminal 42 and a plurality of earth terminal 44, wherein each to difference signal terminal 42 between the earth terminal 44 of two correspondences, as shown in Figure 3.
First group of terminal 40 can be electrically connected circuit board 3.Circuit board 3 can comprise a plurality of ground connection conductive spacers 31 and a plurality of signal conductive spacer 32, and a plurality of ground connection conductive spacers 31 and a plurality of signal conductive spacer 32 can be arranged along a direction 9.Ground connection conductive spacer 31 and signal conductive spacer 32 can extend along a direction 8.Ground connection conductive spacer 31 is used for connecting earth terminal 44.Signal conductive spacer 32 is used for connecting difference signal terminal 42.
Ground connection conductive spacer 31 is longer than signal conductive spacer 32, so that electromagnetic shielding to be provided.Ground connection conductive spacer 31 comprises mask segments 311, and wherein mask segments 311 is ground connection conductive spacer 31 extends beyond signal conductive spacer 32 in direction 8 parts.In one embodiment, as shown in Figure 5, mask segments 311 is the parts of extending toward electric connector 4 directions on the ground connection conductive spacer 31.
With reference to Fig. 5 and shown in Figure 6, difference signal terminal 42 comprises a weld part 421, and weld part 421 can be welded in corresponding signal conductive spacer 32; Earth terminal 44 comprises a weld part 441, and weld part 441 can be welded on the corresponding ground connection conductive spacer 31.
With reference to Fig. 3 and shown in Figure 5, difference signal terminal 42 can be bent with earth terminal 44, makes its weld part 421 and 441 can be SMT (surface mount technology) weld part.After difference signal terminal 42 was installed on the insulating body 41 with earth terminal 44, weld part 421 and 441 can extend in direction 8.
With reference to Fig. 3 and shown in Figure 5, the weld part 441 of earth terminal 44 in the size on the direction 8 less than the size of ground connection conductive spacer 31 on direction 8, and weld part 441 is isolated with ground connection conductive spacer 31 relative two edges respectively on direction 8, and so weld part 441 can be positioned at ground connection conductive spacer 31 on direction 8.In one embodiment, as shown in Figure 3, the size of weld part 441 is less than ground connection conductive spacer 31 on direction 9, and weld part 441 is isolated with the relative two edges of ground connection conductive spacer 31 respectively on direction 9, and so weld part 441 also is positioned at ground connection conductive spacer 31 on direction 9.
With reference to Fig. 3 and shown in Figure 6, the weld part 421 of difference signal terminal 42 in the size of direction 8 less than signal conductive spacer 32, and be isolated with the relative two edges of signal conductive spacer 32 respectively on direction 8, so weld part 421 is positioned at signal conductive spacer 32 in direction 8.In one embodiment, the size of weld part 421 is less than signal conductive spacer 32 on direction 9, and weld part 421 is isolated with signal conductive spacer 32 relative two edges respectively on direction 9, and so weld part 421 also is positioned at signal conductive spacer 32 on direction 9.
With reference to shown in Figure 5, earth terminal 44 can comprise an elastic bend part 442.But elastic bend part 442 connecting welding sections 441.Elastic bend part 442 can have a horizontal-extending section 4421, and horizontal-extending section 4421 is to extend above ground connection conductive spacer 31.After earth terminal 44 welding, scolder can be filled in the gap of horizontal-extending section 4421 and 31 of ground connection conductive spacers, and the lateral margin of the weld part below horizontal-extending section 4,421 441 formation filled weld.
With reference to shown in Figure 6, difference signal terminal 42 can comprise an elastic bend part 422.But elastic bend part 422 connecting welding sections 421.Elastic bend part 422 can have a horizontal-extending section 4221, and horizontal-extending section 4221 is to extend above signal conductive spacer 32.After difference signal terminal 42 welding, scolder can be filled in the gap of horizontal-extending section 4221 and 32 of signal conductive spacers, and the lateral margin of the weld part below horizontal-extending section 4,221 421 formation filled weld.
With reference to shown in Figure 5, earth terminal 44 can comprise a fixed part 444 and a contact site 445, and wherein contact site 445 can extend from fixed part 444.Insulating body 41 comprises a slot 411, and slot 411 is used for the grafting docking facilities, and wherein the contact site 445 of earth terminal 44 may extend in the slot 411, to be electrically connected docking facilities.The fixed part 444 that insulating body 41 can be formed with the earth terminal 44 of 40, the first groups of terminals 40 of 412, the first groups of terminal grooves of first group of terminal groove, 412 corresponding first group of terminal is formed accordingly and first group of terminal groove 412 interference engagement.
Refer again to shown in Figure 5ly, earth terminal 44 can comprise an extension 443, and extension 443 can be extended out outside the insulating body 41, and wherein elastic bend part 442 can be between extension 443 and weld part 441.In one embodiment, elastic bend part 442 can connect extension 443 and weld part 441.
With reference to shown in Figure 6, difference signal terminal 42 can comprise a fixed part 424 and a contact site 425, and wherein contact site 425 can and may extend in the slot 411 of insulating body 41 from fixed part 424 extensions, to be electrically connected docking facilities.The fixed part 424 of the difference signal terminal 42 of first group of terminal 40 also is formed accordingly and first group of terminal groove 412 interference engagement.
Refer again to shown in Figure 6ly, difference signal terminal 42 can comprise an extension 423, and extension 423 can be extended out outside the insulating body 41, and wherein elastic bend part 422 can be between extension 423 and weld part 421.In one embodiment, elastic bend part 422 can connect extension 423 and weld part 421.
With reference to shown in Figure 7, in one embodiment, insulating body 41 comprises a first side wall 415 and one second sidewall 416, and wherein the first side wall 415 is in the relative both sides of the slot 411 of insulating body 41 with the second sidewall 416, and first group of terminal groove 412 is formed in the first side wall 415.
With reference to Fig. 7 and shown in Figure 8, in one embodiment, electric connector 4 can comprise one second group of terminal 50.But on second group of terminal 50 fixed insulation body 41.In one embodiment, second group of terminal 50 can be the SMT terminal.The weld part of second group of terminal 50 can be welded on the conductive spacer 33 of circuit board 3, and wherein conductive spacer 33 can be identical at the development length of direction 8.In another embodiment, the weld part of second group of terminal 50 is in the perforate that is welded on the circuit board.In another embodiment, the weld part of second group of terminal 50 has pinprick, and this pinprick can with circuit board on the perforate interference engagement.
In one embodiment, second group of terminal 50 can comprise two pairs of difference signal terminal and an earth terminal, and wherein earth terminal can be arranged between two pairs of difference signal terminal.In another embodiment, second group of terminal 50 can comprise two pairs of difference signal terminal and a plurality of earth terminal, wherein each to difference signal terminal between the earth terminal of two correspondences.
Insulating body 41 can be formed 413, the second groups of terminals 50 of one second group of terminal groove can be fixed on second group of terminal groove 413 accordingly.In one embodiment, second group of terminal groove 413 is formed in the second sidewall 416.
With reference to shown in Figure 7, in one embodiment, electric connector 4 can comprise one the 3rd group of terminal 60.The 3rd group of terminal 60 can be used for electric power transfer.Insulating body 41 can be formed 414, the three groups of terminals 60 of one the 3rd group of terminal groove can be fixed on the 3rd group of terminal groove 414 accordingly.In one embodiment, the 3rd group of terminal groove 414 is formed in the second sidewall 416.
In one embodiment, the 3rd group of terminal 60 can be the SMT terminal group, and it can be welded on the conductive spacer 34.In another embodiment, the weld part of the 3rd group of terminal 60 is in the perforate that is welded on the circuit board.In another embodiment, the weld part of the 3rd group of terminal 60 has pinprick, and this pinprick can with circuit board on the perforate interference engagement.
In one embodiment, the part of the first side wall 415 beyond first group of terminal groove 412 is thin than the part at first group of terminal groove 412 place.
In one embodiment, be formed with a depressed part 417 on the second sidewall 416, depressed part 417 contiguous slots 411.In one embodiment, depressed part 417 can be used for preventing that docking facilities is inserted into improperly.In one embodiment, depressed part 417 can be separated second group of terminal groove 413 and the 3rd group of terminal groove 414.
In one embodiment, electric connector 4 can comprise fixture 43, and fixture 43 is used for insulating body 41 is fixed on circuit board 3.
Though the embodiment illustration electric connector 4 of Fig. 2 to Fig. 7 has 3 groups of terminals, the utility model is not as limit.Electric connector 4 is to comprise at least one group of terminal 40.
Fig. 8 is the schematic perspective view of another embodiment of the utility model, and its illustration one electric connector 7 is placed in a circuit board 3.With reference to shown in Figure 8, electric connector 7 can be installed on the circuit board 3.Electric connector 7 similar aforesaid electric connectors 4, main difference are that first group of terminal 70 of electric connector 7 has different earth terminals from first group of terminal 40 of electric connector 4.
To shown in Figure 11, first group of terminal 70 comprises a plurality of earth terminals 71 and two pairs of difference signal terminal 72 with reference to Fig. 8.But a plurality of ground connection conductive spacers 31 of a plurality of earth terminal 71 corresponding circuits plates 3, and two pairs of difference signal terminal 72 can corresponding a plurality of signal conductive spacers 32.Each to difference signal terminal 72 between the earth terminal 71 of two correspondences.
With reference to Fig. 8 and shown in Figure 10, earth terminal 71 comprises a weld part 711, and wherein the weld part 441 of weld part 711 more aforementioned earth terminals 44 is for long.After earth terminal 71 was installed on the insulating body 41, earth terminal 71 extended towards direction 8, and the terminal surface of earth terminal 71 is towards direction 8.In one embodiment, weld part 711 in the size on the direction 8 less than the size of ground connection conductive spacer 31 on direction 8, and weld part 711 is isolated with ground connection conductive spacer 31 relative two edges respectively on direction 8, and so weld part 711 can be positioned at ground connection conductive spacer 31 on direction 8.In one embodiment, as shown in Figure 8, the size of weld part 711 is less than ground connection conductive spacer 31 on direction 9, and weld part 711 is isolated with the relative two edges of ground connection conductive spacer 31 respectively on direction 9, and so weld part 711 also is positioned at ground connection conductive spacer 31 on direction 9.In one embodiment, as shown in figure 10, weld part 711 parts of earth terminal 71 are positioned on the mask segments 311 of corresponding ground connection conductive spacer 31.
With reference to Fig. 9 and shown in Figure 10, earth terminal 71 can comprise a fixed part 713, wherein fixed part 713 can with first group of corresponding terminal groove 412 interference engagement.
In one embodiment, earth terminal 71 can comprise an extension 712, and wherein extension 712 can be outside fixed part 713 extends insulating body 41, and weld part 711 can be extended by the end bending of the extension 712 of earth terminal 71.
In one embodiment, earth terminal 71 can comprise a contact site 714 in addition, and wherein contact site 714 can extend from the fixed part 713 of earth terminal 71, and protrudes into slot 411.
With reference to Fig. 8 and shown in Figure 11, difference signal terminal 72 comprises a weld part 721, the size of weld part 721 on direction 8 is less than the signal conductive spacer 32 of correspondence, and be isolated with the relative two edges of signal conductive spacer 32 respectively on direction 8, so weld part 721 can be positioned at signal conductive spacer 32 on direction 8.In one embodiment, the size of weld part 721 on direction 9 is less than signal conductive spacer 32, and weld part 721 is isolated with signal conductive spacer 32 relative two edges respectively on direction 9, and so weld part 721 also can be positioned at signal conductive spacer 32 on direction 9.
As shown in figure 11, difference signal terminal 72 comprises a fixed part 724, wherein fixed part 724 can with first group of corresponding terminal groove 412 interference engagement so that fixed part 724 can be fixed in insulating body 41.
In one embodiment, difference signal terminal 72 comprises an extension 723, and wherein extension 723 is outside fixed part 724 extends insulating body 41.
In one embodiment, difference signal terminal 72 comprises an elastic bend part 722, and wherein elastic bend part 722 is between the extension 723 of correspondence and corresponding weld part 721.
It is worth mentioning that, shown in Figure 1A and 1B, when the terminal group 11 of existing SAS connector 1 is soldered, can form filled weld (fillet) on all sides of leg 111, allow leg 111 be coated by scolder, make the terminal group 11 can be by firmly.The Electromagnetic Interference that produces during for the cross-talk phenomenon between effective reduction by two differential signals and differential signal transmission, in one embodiment, weld pad 21 on the available circuit plate 2 that signal conductive spacer 32 and Figure 1A show is rough isometric, and ground connection conductive spacer 31 then prolongs than weld pad 21 and a mask segments 311.In another embodiment, weld pad 21 on the available circuit plate 2 that ground connection conductive spacer 31 and Figure 1A show is rough isometric, signal conductive spacer 32 then is shortened, when signal conductive spacer 32 is shortened equivalent length, and allow on the signal conductive spacer 32 when shrinking back to the leg of terminal 111 times near the edge of kink 112, the kink 112 of terminal can drop on corresponding signal conductive spacer 32 zone outward, so that the side of kink 112 can't form filled weld again after terminal is soldered, allow leg 111 only partly be coated by scolder, thereby the intensity that causes terminal to anchor on the signal conductive spacer 32 is lowered.
Such as Fig. 3 and shown in Figure 6, elastic bend part 422 comprises a bending segment 4222, wherein the region extension of the bending segment 4222 of difference signal terminal 42 outside the signal conductive spacer 32 of correspondence.Under the situation that shortens at signal conductive spacer 32, allow difference signal terminal 42 still possess the intensity that enough is retained on the signal conductive spacer 32, so form elastic bend part 422 in difference signal terminal 42, thus when differential signal terminal 42 is placed on the signal conductive spacer 32, its weld part 421 can be positioned at signal conductive spacer 32, to allow the lateral margin of weld part 421 after welding, can form filled weld (fillet), weld part 421 is wrapped by, so difference signal terminal 42 just can be retained on the signal conductive spacer 32 securely, and the impact that not shortened by signal conductive spacer 32.
Such as Fig. 8 and shown in Figure 11, elastic bend part 722 comprises a horizontal-extending section 7221 and a crooked bending segment 7222, wherein horizontal-extending section 7221 can be extended at the signal conductive spacer 32 of correspondence, and extends above the zone of bending tune 7222 outside the signal conductive spacer 32 of correspondence.In like manner, under the situation that shortens at signal conductive spacer 32, allow difference signal terminal 72 still possess the intensity that enough is retained on the signal conductive spacer 32, so form elastic bend part 722 in difference signal terminal 72, thus when differential signal terminal 72 is placed on the signal conductive spacer 32, its weld part 721 can be positioned at signal conductive spacer 32, to allow the lateral margin of weld part 721 after welding, can form filled weld (fillet), weld part 721 can be wrapped by, so difference signal terminal 72 just can be retained on the signal conductive spacer 32 securely, and the impact that not shortened by signal conductive spacer 32.
In one embodiment, difference signal terminal 72 comprises a contact site 725, and wherein contact site 725 extends from the fixed part 724 of difference signal terminal 72.
Figure 12 is the schematic perspective view of another embodiment of the utility model, and its illustration one electric connector 10 is placed in a circuit board 5.With reference to Fig. 7 and shown in Figure 12, the utility model one embodiment discloses an electric connector 10 in addition, the electric connector 4 of electric connector 10 similar earlier figures 7, both main differences are in the weld part of the 3rd group of terminal 80 of electric connector 10 different from the weld part of the 3rd group of terminal 60 of electric connector 4.
With reference to shown in Figure 12, electric connector 10 comprises first group of terminal 40, second group of terminal 50, the 3rd group of terminal 80, and insulating body 41, and wherein first group of terminal 40, second group of terminal 50, the 3rd group of terminal 80 can be fixed in insulating body 41.First group of terminal 40 and second group of terminal 50 can be used for signal transmission, especially for differential signal transmission.The 3rd group of terminal 80 can be used for electric power transfer.
The difference signal terminal 42 of first group of terminal 40 and the weld part 421 of earth terminal 44 and 441 can lay respectively in corresponding the ground connection conductive spacer 31 and conductive spacer 32, and wherein ground connection conductive spacer 31 can be than conductive spacer 32 for long.The weld part of second group of terminal 50 is welded on conductive spacer 33 accordingly.The 3rd group of terminal 80 comprises weld part 801, and wherein weld part 801 is formed to be welded in perforate 51 corresponding on the circuit board 5.In one embodiment, the weld part 801 of terminals of adjacent is to stagger in direction 8 in the 3rd group of terminal 80.
The electric connector of the utility model one embodiment comprises one group of terminal, and wherein this group terminal can comprise a plurality of difference signal terminal and a plurality of earth terminal.Difference signal terminal and earth terminal can be welded in respectively on the signal conductive spacer and ground connection conductive spacer on the circuit board, wherein the length of signal conductive spacer is less than the ground connection conductive spacer, so more traditional isometric signal conductive spacer and ground connection conductive spacer can effectively reduce Electromagnetic Interference (the electromagnetic interference that produces when cross-talk phenomenon between two differential signals and differential signal transmit; EMI).When electric connector assembling behind circuit board, the weld part of difference signal terminal is to be positioned within the respective signal conductive spacer, so the lateral margin of the weld part of difference signal terminal can be scolder and coats after welding, thereby the enhancing retain strength.The weld part of earth terminal can be positioned at the ground connection conductive spacer, and so the lateral margin of the weld part of earth terminal can be scolder and coats after welding, thus the enhancing retain strength.In one embodiment, difference signal terminal is formed with an elastic bend part, wherein elastic bend part connecting welding section.After difference signal terminal arranges elastic bend part, can guarantee that weld part can be positioned within the respective signal conductive spacer.In one embodiment, earth terminal can not have elastic bend part.In another embodiment, earth terminal also can have elastic bend part.
Technology contents of the present utility model and technical characterstic disclose as above, yet those skilled in the art still may be based on teaching of the present utility model and announcement and done all replacement and modifications that does not deviate from the utility model spirit.Therefore, protection range of the present utility model should be not limited to embodiment and disclose, and should comprise various do not deviate from replacement of the present utility model and modifications, and is contained by claim of the present utility model.
Claims (12)
1. an electric connector is installed on a circuit board, it is characterized in that, this circuit board comprises a plurality of signal conductive spacers and a plurality of ground connection conductive spacer, and those ground connection conductive spacers are longer than those signal conductive spacers, and this electric connector comprises:
One insulating body comprises a slot; And
One first group of terminal, comprise two pairs of difference signal terminal and a plurality of earth terminal, wherein each to difference signal terminal between the earth terminal of two correspondences, corresponding those signal conductive spacers of these two pairs of difference signal terminal, and corresponding those ground connection conductive spacers of those earth terminals;
Wherein, respectively this difference signal terminal comprises:
One fixed part is fixed in this insulating body;
One contact site extends in this slot from this fixed part of this difference signal terminal;
One extension extends outside this insulating body from this fixed part of this difference signal terminal;
One weld part is positioned at this corresponding signal conductive spacer; And
One elastic bend part is between this weld part of this extension of this difference signal terminal and this difference signal terminal;
Wherein, respectively this earth terminal comprises:
One fixed part is fixed in this insulating body;
One contact site extends in this slot from this fixed part of this earth terminal;
One extension extends outside this insulating body from this fixed part of this earth terminal;
One weld part is positioned at this corresponding ground connection conductive spacer; And
One elastic bend part is between this weld part of this extension of this earth terminal and this earth terminal.
2. electric connector according to claim 1 is characterized in that, respectively this ground connection conductive spacer respectively this signal conductive spacer be provided with a mask segments of extending toward this electric connector direction.
3. electric connector according to claim 1, it is characterized in that, respectively this elastic bend part of this difference signal terminal and this earth terminal comprises a bending segment, and wherein respectively this bending segment extends at this signal conductive spacer of correspondence or the zone beyond this ground connection conductive spacer.
4. each described electric connector in 3 according to claim 1, it is characterized in that, this insulating body comprises a first side wall, one second sidewall and one first group of terminal groove, wherein this first side wall is the relative both sides that are positioned at this slot of this insulating body with this second sidewall, this first group of terminal groove is formed at this first side wall, and this first group of terminal organized accordingly into this first group of terminal groove.
5. electric connector according to claim 4, it is characterized in that, also comprise one second group of terminal and one the 3rd group of terminal, wherein this insulating body comprises one second group of terminal groove and one the 3rd group of terminal groove, wherein this second group of terminal organized accordingly into this second group of terminal groove, the 3rd group of terminal organized accordingly into the 3rd group of terminal groove, and this second group of terminal groove and the 3rd group of terminal groove are to be formed at this second sidewall.
6. electric connector according to claim 5 is characterized in that, this second sidewall comprises a depressed part, and wherein this sunk part is every this second group of terminal groove and the 3rd group of terminal groove.
7. an electric connector is installed on a circuit board, it is characterized in that, this circuit board comprises a plurality of signal conductive spacers and a plurality of ground connection conductive spacer, and those ground connection conductive spacers comprise the mask segments that extends beyond those signal conductive spacers, and this electric connector comprises:
One insulating body comprises a slot; And
One first group of terminal comprises two pairs of difference signal terminal and a plurality of earth terminal, wherein each to difference signal terminal between the earth terminal of two correspondences;
Wherein, corresponding those signal conductive spacers of these two pairs of difference signal terminal, respectively this difference signal terminal comprises:
One fixed part is fixed in this insulating body;
One contact site extends in this slot from this fixed part of this difference signal terminal;
One extension extends outside this insulating body from this fixed part of this difference signal terminal;
One weld part is positioned at this corresponding signal conductive spacer; And
One elastic bend part is between this weld part of this extension of this difference signal terminal and this difference signal terminal;
Wherein, corresponding those ground connection conductive spacers of those earth terminals, respectively this earth terminal comprises:
One fixed part is fixed in this insulating body;
One contact site extends in this slot from this fixed part of this earth terminal;
One extension extends outside this insulating body from this fixed part of this earth terminal; And
One weld part is extended by the end bending of this extension of this earth terminal;
Wherein, this welding position of this earth terminal is in the ground connection conductive spacer of correspondence, and this weld part of this earth terminal partly is positioned at this mask segments of this corresponding ground connection conductive spacer.
8. electric connector according to claim 7 is characterized in that, respectively this mask segments of this ground connection conductive spacer is extended toward this electric connector direction.
9. electric connector according to claim 7 is characterized in that, respectively this elastic bend part of this difference signal terminal comprises a bending segment, and wherein extend in the zone of this bending segment beyond this signal conductive spacer of correspondence.
10. each described electric connector in 9 according to claim 7, it is characterized in that, this insulating body comprises a first side wall, one second sidewall and one first group of terminal groove, wherein this first side wall is the relative both sides that are positioned at this slot of this insulating body with this second sidewall, this first group of terminal groove is formed at this first side wall, and this first group of terminal organized accordingly into this first group of terminal groove.
11. electric connector according to claim 10, it is characterized in that, also comprise one second group of terminal and one the 3rd group of terminal, wherein this insulating body comprises one second group of terminal groove and one the 3rd group of terminal groove, wherein this second group of terminal organized accordingly into this second group of terminal groove, the 3rd group of terminal organized accordingly into the 3rd group of terminal groove, and wherein this second group of terminal groove and the 3rd group of terminal groove are to be formed at this second sidewall.
12. electric connector according to claim 11 is characterized in that, this second sidewall comprises a depressed part, and wherein this sunk part is every this second group of terminal groove and the 3rd group of terminal groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220527007 CN202906120U (en) | 2012-10-15 | 2012-10-15 | Electrical connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220527007 CN202906120U (en) | 2012-10-15 | 2012-10-15 | Electrical connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202906120U true CN202906120U (en) | 2013-04-24 |
Family
ID=48126746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220527007 Expired - Lifetime CN202906120U (en) | 2012-10-15 | 2012-10-15 | Electrical connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202906120U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326147A (en) * | 2013-06-08 | 2013-09-25 | 广东欧珀移动通信有限公司 | Connector |
| CN105356097A (en) * | 2014-12-09 | 2016-02-24 | 昆山全方位电子科技有限公司 | Surface welding type USB socket connector |
| CN107565240A (en) * | 2017-08-07 | 2018-01-09 | 番禺得意精密电子工业有限公司 | Electric coupler component |
| US10424875B2 (en) | 2016-01-28 | 2019-09-24 | Molex, Llc | Electrical connector |
-
2012
- 2012-10-15 CN CN 201220527007 patent/CN202906120U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326147A (en) * | 2013-06-08 | 2013-09-25 | 广东欧珀移动通信有限公司 | Connector |
| CN103326147B (en) * | 2013-06-08 | 2016-01-20 | 广东欧珀移动通信有限公司 | A kind of connector |
| CN105356097A (en) * | 2014-12-09 | 2016-02-24 | 昆山全方位电子科技有限公司 | Surface welding type USB socket connector |
| US10424875B2 (en) | 2016-01-28 | 2019-09-24 | Molex, Llc | Electrical connector |
| US10944216B2 (en) | 2016-01-28 | 2021-03-09 | Molex, Llc | Electrical connector |
| CN107565240A (en) * | 2017-08-07 | 2018-01-09 | 番禺得意精密电子工业有限公司 | Electric coupler component |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |