CN2651957Y - Electric connector - Google Patents

Abstract

The utility model relates to an electric coupler, which is accommodated inside a metal shell, and is used for electrically connecting a PCB with other electric elements, especially electrically connecting a mainboard with a subordinate board usually. The electric coupler comprises an insulating main body and a plurality of modules accommodated in the insulating main body, which is characterized in that: the insulating main body comprises a detachable head and a basal body, the module comprises a basically square insulating frame and a plurality of conducting terminals inserted into the insulating frame and integrated with the insulating frame, the insulating frame comprises two partition ribs to joint two adjacent edges of the insulating frame, the two partition ribs divide the insulating frame into three sections. In addition, each conducting terminal is composed of at least one inserting part and a bending part. The bending part bends the conducting terminal approximately by 90 degrees. The insulating frame divides a plurality of conducting terminals into three groups, of which a central group serves as earth terminal and other two groups as signal terminals. A plurality of electric connectors can be utilized in parallel to improve transmission speed and ensure easy assembling for each electric connector. Besides, the conducting terminal provides better earth screen and improves electrical characteristics.

Description

Electric connector

[technical field]

The utility model is about a kind of electric connector, particularly a kind of electric connector that electrically connects main circuit board and daughter board.

[background technology]

The United States Patent (USP) the 6th that on September 3rd, 2002 was announced, 443, a kind of SFP (Smallform-factor Plugable) electric connector is disclosed for No. 768, this electric connector is the individual layer setting, it comprises insulating body and is placed in two row's conducting terminals of the some bendings of tool in the insulating body, these conducting terminal one ends clamp a pluggable daughter board, and be electrically conducted with conducting strip on the daughter board, conducting terminal is through after bending, its other end is welded on the mainboard, and this individual layer SFP connector only can be electrically conducted a daughter board, and transmission rate is restricted, and electric connector is not provided with earth terminal, prevents that cross-talk and electrical shield effectiveness are relatively poor relatively.

In addition, electric connector as described above, wherein insulating body and conducting terminal are one-body molded, and conducting terminal is difficult for changing, if a conducting terminal damages, then whole electric connector all needs replacing, expends great amount of cost.

[utility model content]

Main purpose of the present utility model provides a kind of double-deck electric connector that is placed in the metal shell, it can be electrically conducted main circuit board and two daughter boards, and a plurality of electric connectors can be used side by side, improve efficiency of transmission with this, simultaneously can add earth terminal, to prevent cross-talk, improve electrical characteristic.

Another purpose of the present utility model provides and a kind of terminal moduleization is made its insulating body of easily packing into, and detachable, the easy-to-assemble double-deck electric connector of insulating body.

Another purpose of the present utility model provides a kind of reliable external force terminal is pressed in the mainboard and can be electrically conducted, and the double-deck electric connector that needn't weld.

Another purpose of the present utility model provides a kind of with terminal moduleization, when a certain terminal damages, only need change the terminal module at this terminal place, can save the double-deck electric connector of great amount of cost.

The utility model is about a kind of electric connector, in order to electrically connect mainboard and daughter board, it comprises insulating body and is placed in plurality of modules in the insulating body, wherein insulating body comprises separable head and matrix, and head is provided with the several layers groove, each module comprises the insulation framework and is placed in the interior terminal module of insulation framework, wherein terminal module one end and mainboard connect, one end can clamp the daughter board that docks with this electric connector, each terminal module comprises that at least the first terminal is right to reaching second terminal, wherein the first terminal is to comprising the first terminal and second terminal, can be electrically conducted with a daughter board, second terminal can be electrically conducted with another daughter board comprising the 3rd terminal and the 4th terminal.The insulation framework comprises that connecting two of the adjacent both sides of insulation framework separates rib, two separate rib is divided into three intervals with framework, each terminal module comprises and is used for first to fourth terminal and an earth terminal of transmission signals, each signal terminal comprises clamping part at least, kink and insertion section, second terminal is provided with a deflection portion mutually with the 3rd terminal and clamping part, make clamping part depart from kink, so make the staggered row portion of clamping part of the first terminal and second terminal, the clamping part of the 3rd terminal and the 4th terminal is also staggered.Several these electric connectors can use side by side, improve transmission speed, and each electric connector is easy to assembly, simultaneously by the setting of earth terminal, better earth shield can be provided and prevent cross-talk, improves the opering characteristic of electric apparatus.

Compared with prior art, advantage of the present utility model is: this electric connector two daughter boards of can pegging graft simultaneously, improve transmission speed; With the conducting terminal modularization, assemble easily and change, when a conducting terminal damages, only need change the module at its place, can reduce cost greatly; Each terminal is one-body molded with the insulation framework, can improve the production of terminal module, has saved time and cost; When one-body molded, be provided with earth terminal in the terminal module simultaneously, can prevent the cross-talk between two-layer terminal up and down, improve the electrical characteristic of whole connector.

[description of drawings]

Fig. 1 is the three-dimensional exploded view of the utility model electric connector.

Fig. 2 is the stereogram of electric connector insulation framework of the present utility model.

Fig. 3 is the stereogram at another visual angle of electric connector insulation framework of the present utility model.

Fig. 4 is the three-dimensional exploded view of electric connector terminal module of the present utility model.

Fig. 5 is the stereogram after electric connector insulation framework of the present utility model and the terminal module assembling.

Fig. 6 is the stereogram of electric connector plurality of modules of the present utility model.

Fig. 7 is the stereogram of electric connector insulating body of the present utility model.

Fig. 8 is the stereogram at another visual angle of electric connector insulating body of the present utility model.

Fig. 9 is the plane graph of electric connector insulating body of the present utility model.

Figure 10 is the three-dimensional exploded view at another visual angle of electric connector of the present utility model.

Figure 11 is the stereogram after the electric connector assembling of the present utility model.

Figure 12 is the stereogram at another visual angle, electric connector assembling back of the present utility model.

Figure 13 is the plane graph after the electric connector assembling of the present utility model.

[embodiment]

See also Fig. 1, three-dimensional exploded view for the utility model electric connector 1, this electric connector 1 comprises insulating body 3 and is placed in plurality of modules 7 in the insulating body 3, wherein, insulating body 3 comprises the matrix 4 of cardinal principle squarely and is held on the matrix 4 and extended head 2 that head 2 is provided with the docking section 24 that can supply daughter board (not shown) to insert.Each module 7 comprises that insulation framework 6 reaches and insulation framework 6 integrated the first terminals 80, second terminal 82, earth terminal 84, the 3rd terminal 86 and the 4th terminal 88, these terminals all have the insertion section 804,824,844 that can insert in the main circuit board (not shown), 864,884.So, plurality of modules 7 is inserted into after insulating body 2 is assembled into electric connector, and this electric connector one end can connect with main circuit board, and the docking section 24 of the other end can insert and form and electrically connect for two daughter boards (not shown).

For clear expression content of the present utility model, integrated module 7 in the present embodiment is split into insulation framework 6 and terminal module 8 two parts, extremely shown in Figure 4 as Fig. 2.

Please in conjunction with consulting Fig. 2 and Fig. 3, flat insulation framework 6 comprises the substantially frame 60 of squarely, connects first of the adjacent both sides of frame and separates rib 62 and second and separate rib 64 and be connected first along frame 60 diagonals and separate the diagonal rib 66 that rib 62 and second separates rib 64.

See also Fig. 4, terminal module 8 comprises the first terminal 80, second terminal 82, earth terminal 84, the 3rd terminal 86 and the 4th terminal 88, wherein, the first terminal 80 and second terminal 82 partner, the 3rd terminal 86 and the 4th terminal 88 partner, and the first terminal 80 comprises first clamping part 800 that is used for clamping daughter board, insert the insertion section 804 in the main circuit board and connect the kink 802 of first clamping part 800 and insertion section 804, second terminal 82 comprises second clamping part 820 of clamping daughter board with first clamping part 800 of the first terminal 80 jointly, insertion section 824 in kink 822 and the insertion main circuit board, in addition, be provided with deviation portion 826 between second clamping part 820 of second terminal and the kink 822, the certain distance of first clamping part 800 of the first terminal 80 so that second clamping part 820 of second terminal 82 staggers in the horizontal direction.The kink 802,822,842,862,882 of each terminal 80,82,84,86,88 roughly is bent into 90 degree with terminal.The outer end of clamping part 800,820 relative inner of the first terminal 80 and second terminal 82 is provided with salient point 800a, and 820a can be electrically conducted with the conducting strip (not shown) that inserts daughter board in the two-terminal.Earth terminal 84 comprises the insertion section 844 that can be inserted in the circuit board, kink 842 and elastic hook 840 outstanding from kink 842 other ends and that can be electrically conducted with other element spare.The 3rd terminal 86 is different except kink length with the 4th terminal 88, other parts and the first terminal 80 and second terminal 82 are symmetrical arranged, that is: the 4th terminal 88 be symmetrical arranged with the first terminal 80 and its structure roughly the same, corresponding the 4th clamping part 880, kink 882 and the insertion section 884 of being provided with; The 3rd terminal 86 and second terminal 82 be symmetrical arranged and its structure roughly the same, corresponding the 3rd clamping part 860, deflection portion 866, kink 862, insertion section 864 and the salient point 860a of being provided with, so, the first terminal 80 can be used to transmit identical signal with the 4th terminal 88, second terminal 82 can be used to transmit identical signal with the 3rd terminal 86, earth terminal 84 can be used to ground connection to prevent up and down the cross-talk between two groups of terminals, promotes the electrical characteristic of this electric connector.

Please in conjunction with consulting Fig. 4 to Fig. 6, each terminal 80 of terminal module 8,82,84,86,88 with insulation framework 6 one-body molded formation modules 7, wherein, the second deflection portion 826 of second terminal 82 and the deflection portion 866 of the 3rd terminal 86 all begin level separately and deflect away from the first terminal 80 and the certain distance of the 4th terminal 88 outside the framework 6 that insulate, so, after plurality of modules 7 is arranged side by side, second clamping part, 820 interlaced the arranging of first clamping part 800 of the first terminal 80 and second terminal 82, the clamping part 800 of the some the first terminals 80 and second terminal 82, can insert daughter board between 820, and make clamping part 800,820 salient point 800a, the plurality of conducting strips of 820a and daughter board (not shown) forms and is electrically conducted, and the 4th clamping part 880 interlaced the arranging of the 3rd clamping part 860 of the 3rd terminal 86 and the 4th terminal 88, the clamping part 860 of some the 3rd terminals 86 and the 4th terminal 88, also can insert daughter board between 880, and make clamping part 860,880 salient point 860a, the plurality of conducting strips of 880a and this daughter board forms and is electrically conducted.

Please in conjunction with consulting Fig. 1 and Fig. 7 to Fig. 9, the insulating body 3 of the utility model electric connector 1 comprises the matrix 4 of cardinal principle squarely and is held on extended head 2 on the matrix 4, wherein, matrix 4 comprises the top 40 that is connected with the connector 1 outside metal shell (not shown) that plays shielding action, 40 both sides, top and confession head 2 clampings two side 42 thereon, be distributed with the retaining column 400 of several and metal shell Joint and two hook portions 44 that top 40 is convexly equipped with near head 2 one ends on the top 40, two side 42 and top 40 relative lateral margins are provided with and insert two reference columns 46 that play the role of positioning in the main circuit board (not shown) and near other corresponding two hook portions 44 of two hook portions 44 at head 2 one ends and top 40; Head 2 comprises two clamping walls 22 of clamping matrix 4, crown wall 26 with top 40 homonymies of matrix 4, end wall 28 and the docking section 24 relative with crown wall 26, wherein docking section 24 is provided with first groove of arranging to end wall 28 directions from crown wall 26 240, the middle groove 242 and second groove 244, wherein, first groove and second groove respectively comprise the staggered groove of two rows level (not label), to be used for difference ccontaining first, second terminal and the 3rd, the 4th terminal can insert daughter board (not shown) respectively and is electrically conducted with corresponding conducting terminal in this first flute 240 and second groove 244.Matrix 4 two sides 42 are provided with two grooves 420 that can clamp for the clamping wall 22 of head 2 near head 2 one sides, two clamping walls 22 of corresponding head 2 respectively are provided with two elongate slots 220 near matrix 4 sides, can supply clamping device (not shown) to clamp separates head 2 with matrix 4, so, head 2 can be made respectively with matrix 4, has reduced the complexity that each part is made, each several part can be changed use simultaneously, even part is damaged, also can change, so provide cost savings.

See also Fig. 1 and Figure 10, plurality of modules 7 can be inserted into the cavity that two side 42 and top 40 by matrix 4 surround from electric connector 1 and docking section 24 relative ends, until each terminal 80, the hook portion 840 1 end correspondences of 82,86,88 clamping part and earth terminal 84 are inserted into the groove 240 of the head 2 of insulating body 3,242, in 244, so far, electric connector 1 assembling finishes.Need to prove that plurality of modules 7 can be established the hole on insulation framework 6 and sidewall 42 same positions, with a pivot the two is retained on together.

Please in conjunction with consulting Figure 11 to Figure 13, the utility model electric connector 1 can be positioned on the main circuit board (not shown) by reference column 46, and is inserted in the main circuit board and is formed by insertion section 804,824,844,864,884 and be electrically conducted.Can insert daughter board respectively in first groove 240 of the docking section 24 of head 2 and second groove 244, and be electrically conducted, so form the signal transmission with each terminal 80,82,86,88.Whole electric connector 1 can be placed in separately in the metallic shield housing (not shown), a plurality of electric connectors 1 can also be placed in the metallic shield housing side by side, so, the more daughter board of can pegging graft, the data transmission capabilities of raising electric connector.

Claims (10)

1. electric connector, it comprises insulating body and is placed in plurality of modules in the insulating body, wherein each module comprises the insulation framework and is placed in the interior terminal module of insulation framework, wherein terminal module one end and mainboard connect, one end can clamp the daughter board that docks with this electric connector, it is characterized in that: each terminal module comprises that at least the first terminal is right to reaching second terminal, wherein the first terminal is to comprising the first terminal and second terminal, can be electrically conducted with a daughter board, second terminal can be electrically conducted with another daughter board comprising the 3rd terminal and the 4th terminal.

2. electric connector as claimed in claim 1 is characterized in that: insulating body comprises head and matrix, and head comprises the several layers groove of arranging up and down.

3. electric connector as claimed in claim 2 is characterized in that: the first terminal pair and second terminal between be provided with earth terminal.

4. electric connector as claimed in claim 3 is characterized in that: the separable setting of the head of insulating body and matrix.

5. electric connector as claimed in claim 4 is characterized in that: first to fourth terminal comprises clamping part at least, kink and insertion section.

6. electric connector as claimed in claim 5 is characterized in that: each terminal centering has a terminal to be provided with deflection portion with another terminal deflection certain distance.

7. electric connector as claimed in claim 6 is characterized in that: the two-layer groove up and down of insulating body head comprises the groove that two row of horizontal are staggered respectively.

8. electric connector as claimed in claim 7 is characterized in that: the insulation framework comprises the frame of squarely substantially and connects two of adjacent two frames respectively and separates rib.

9. electric connector as claimed in claim 8 is characterized in that: the insulation framework comprises the diagonal rib that separates rib generally along diagonal connection two.

10. electric connector as claimed in claim 9 is characterized in that: the head of insulating body is provided with elongate slot, can be for clamping device with head and matrix loading and unloading.

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