CN2391313Y - Electric connector - Google Patents

Abstract

The utility model relates to an electric connector, comprising an insulating body, a first terminal and a second terminal which are laminated in the insulating body, a holding device, etc. The utility model is characterized in that a proper position of each terminal is respectively provided with a shifting part, when the corresponding first and the second terminals are laminated and positioned on the insulating body, welding sections of the first and the second terminals can just mutually dislocate. So the limited space in the insulating body can be made full use so as to increase the assembly density of the electric connector terminal. Both ends of the insulating body are also assembled with locking mechanisms used for positioning, so excellent coplanarity of the welding sections of the first and the section terminals can be kept, and the utility model is profitable for being welded with a circuit board via a surface binding technique.

Description

Electric connector

The utility model relates to a kind of electric connector, refers to a kind of high density electrical connector with offset portion structure terminal that is assembled with especially, and this electric connector can be welded on the circuit board easily by the latching device of its terminal construction and institute's winding.

In existing high density electrical connector, because the deploying demand of high density of terminals, accepting groove on the electric connector insulating body is stacked being crisscross arranged mostly, be beneficial to expose the outer terminal of electric connector insulating body one side after suitably bending, be electrically conducted by piercing welding technology or surface adhering solder technology and circuit board or other electronic components.Relevant existing structure sees also No. the 78212155th, 79204276,79214090,80202277,80209366,80213361, TaiWan, China patent application and United States Patent (USP) the 4th, 857,017,4,955,819,5,451, No. 158 etc.As shown in Figure 1, electric connector 200 includes terminal 300 and accommodates the insulating body 400 of terminal 300, and wherein the accepting groove 401 of insulating body 400 is upper and lower stacked, interlaced with each other setting; Terminal 300 bends substantially and is the ladder configuration, the one end is made as contact-segment 301 to cooperate with butt joint electric connector (not shown), the relative other end then is made as welding section 302 to engage with circuit board or other electronic components (not shown), because of going to upper and lower, the accepting groove 401 of insulating body 400 is crisscross arranged, so the arrangement also interlaced with each other of the welding section 302 of ccontaining terminal 300 wherein, thereby help the welding of itself and circuit board or other electronic components (not shown).But the time, function is strengthening because current computer volume is constantly dwindling, so under the situation of set electric connector insulating body constancy of volume, the number of terminals that requires institute to accommodate then gets more and more, and the accepting groove of aforementioned existing insulating body is staggered setting, obviously waste big quantity space because of the interval of arranging adjacent two accepting grooves together is excessive, thereby such structure can't be realized the purpose of computer miniaturization.

The purpose of this utility model provides a kind of electric connector, it can improve the density of electric connector winding terminal, and can suitably save its space shared on opposed circuit boards or electronic component, but also can guarantee the good coplanarity of terminal welding section, help being welded on circuit board or other electronic components.

The purpose of this utility model can realize like this: this electric connector mainly comprises insulating body, can stackedly be housed in the interior the first terminal of insulating body and the assemblies such as holding unit of second terminal and fixed insulation body, each terminal is all one-body molded contact-segment, be connected section and welding section, wherein first, the welding section of two-terminal is bent into suitable angle with respect to its contact-segment and linking section, and first, the two-terminal welding section has the extension of different length along its overbending direction, first, two-terminal is stacked when being provided with, its welding section end just can be positioned on the straight line in the same plane, thereby helps welding mutually with circuit board or other electronic components.It is characterized in that: the linking section of terminal is positioned between contact-segment and welding section and is used to be connected both, and be respectively equipped with the offset portion of side direction in the appropriate location of first and second terminal linking section, when first and second terminal of correspondence on insulating body during stacked location, the welding section of terminal is staggered each other, so the contact-segment of first and second terminal keeps certain intervals mutually and aligns, its welding section is then in the dislocation, can dwindle the adjacent accepting groove of insulating body spacing each other like this, to increase the density of institute's winding terminal.

Therefore, the utility model electric connector is owing to adopt the terminal of tool offset portion structure, the stacked accepting groove of its insulating body can upper and lower aligning one by one and must interlaced with each otherly not be provided with, thereby can make full use of the set space of insulating body to increase the quantity of accepting groove, the welding section of terminal then is in line because of offset portion misplaces each other simultaneously, helps carrying out the surface adhering welding with circuit board.

Below in conjunction with drawings and Examples the utility model is further described.

Fig. 1 is the combination stereogram of existing electric connector terminal and insulating body.

Fig. 2 is a three-dimensional exploded view of the present utility model.

Fig. 3 is the stereogram of first and second terminal of the utility model.

Fig. 4 is the stereogram of the stacked cooperation of first and second terminal of the utility model.

Fig. 5 is a terminal vertical view shown in Figure 4.

Fig. 6 is a combination stereogram of the present utility model.

See also Fig. 2, electric connector 7 of the present utility model comprises insulating body 1, is stacked in the first terminal 2 and assemblies such as second terminal 3, holding unit 4 and shielding seat 5 in the insulating body, wherein insulating body 1 is the lengthwise configuration substantially, vertical its longitudinally in insulating body 1 upper edge extends the coupling portion 10 that is provided with, be provided with " U " type junction surface 11 along then extending away from the other direction of coupling portion 10, be provided with the accepting groove 12 that two rows are run through in the appropriate location of coupling portion 10 and perpendicular to longitudinally is stacked, these accepting grooves 12 go to upper and lower and align setting one by one; And be provided with interval body 110 near circuit board (not shown) between 11 both sides, junction surface, and interval body 110 just can keep positioned at intervals (shown in Figure 5) respectively with first and second terminal 2,3.

Please cooperate again and consult Fig. 3, the corresponding mutually the first terminal 2 and second terminal 3 can stackedly be housed in the insulating body 1, all first, two-terminal 2,3 all are tabular, comprise integrated contact- segment 21,31, be connected section 22,32 and welding section 23,33, wherein contact- segment 21,31 comprise clamping part 210,310 reach and clamping part 210,310 adjacent holding parts 211,311, this clamping part 210,310 are located at contact- segment 21,31 end, and be provided with the suitably flexible arm 2100 that connects of two tools, 3100, two connect arm 2100, maintain the slit 2101 of certain width between 3100,3101, electrical components (not shown) for butt joint is planted wherein, relies on two to connect arm 2100 simultaneously, 3100 elasticity and stable holding.211,311 of holding parts extend along the longitudinally of vertical contact- segment 21,31 and away from being connected section 22,32, it is used for first and second terminal 2,3 is retained on insulating body 1, the two sides of holding parts 211,311 convex with two hangnails 2110,3110 of interfering usefulness separately, to strengthen the mutual engaging force of terminal holding parts 211,311 and insulating body 1.

In addition, terminal is connected section 22,32 and is used to be connected both between contact- segment 21,31 and welding section 23,33, and be provided with the offset portion 220,320 of side direction with respect to contact- segment 21,31 and welding section 23,33, contact- segment 21,31 and welding section 23,33 relative its linking sections 22,32 of also being each terminal 2,3 all have the laterally offset of certain distance, and make contact- segment 21,31 and welding section 23,33 keep each other suitably misplacing and being parallel to each other.

Please cooperate and consult Fig. 4, Fig. 5, for locating first and second right terminal 2,3 of back two-phase interworking, the contact- segment 21,31 of first and second terminal 2,3 is upper and lower aligning mutually just, the offset portion 220,320 that is connected section 22,32 then mutually away from, keep certain intervals thereby make between the welding section 23,33 of first and second terminal 2,3, help the carrying out of surface adhering welding.Again because first and second terminal 2,3 has adopted offset portion 220,320 structures, so the accepting groove 12 of insulating body 1 can upper and lower aligning and must interlaced with each otherly not be provided with, thereby the set space that can make full use of insulating body 1 is to increase the quantity of accepting groove 12, to obtain highdensity electric connector.

Again as shown in Figure 4 first, two-terminal 2,3 welding section 23,33, its contact-segment 21 relatively separately, 31 and be connected section 22,32 are bent into suitable angle, and has an extension of certain-length along its overbending direction, and first, two-terminal 2,3 welding sections 23,33 bending angle is identical substantially, and it is along the development length difference of overbending direction, wherein the first terminal 2 is that the development length of the welding section 23 of stacked upper strata terminal is the development length of the welding section 33 of lower floor's terminal greater than second terminal 3, please consult Fig. 5 simultaneously, first, two-terminal 2, during 3 stacked location, because of its welding section 23,33 bending angles are identical, and the development length difference, and welding section 23,33 with contact-segment 21, therefore 31 displacements that maintain side direction can interlace the location at grade; In addition, the end of first and second terminal 2,3 welding sections 23,33 is provided with the leg 230,330 with circuit board (not shown) keeping parallelism, these legs 230,330 length each other is identical substantially, and be provided with inclined- plane 2300,3300 near the ora terminalis of circuit board one sides at leg 230,330, to help the adhesion of its surperficial soldering ball, so, the leg 23,33 of all first and second terminals 2,3 is not only in the same plane, also be located along the same line, help keeping the coplanarity of terminal leg 23,33, and then guarantee the quality of surface adhering welding.

Please in conjunction with consulting Fig. 2 and Fig. 5, the outside of the coupling portion 10 of insulating body 1 coats a shielding seat 5 with reception room 50, is used for coupling portion 10 is wherein ccontaining and the electromagnetic interference that shielding is extraneous; And shielding seat 5 is connected with group by holding unit 4 and insulating body 1, this holding unit 4 also is the lengthwise bodily form, its along vertical longitudinally and near insulating body 1, and corresponding junction surface 11 be provided with " U " type connecting portion 40, just can connect mutually with the junction surface 11 of insulating body 1, stablize affixed and will shield seat 5 with insulating body 1, the appropriate location of the connecting portion 40 at holding unit two ends is respectively equipped with thin-and-long through hole 41, inserts the corresponding through hole of circuit board (not shown) for locker 6 passes.

Locker 6 as shown in Figure 5 can be distinguished the two ends of winding at holding unit 4, it comprises integrated snap close 60 and weld pad 61, this snap close 60 is provided with two to be separated and rubber-like button pawl 601 mutually, can pass the through hole 41 of holding unit 4 and insert the corresponding through hole of circuit board, thereby electric connector 7 is positioned on the circuit board; 61 of weld pads are used for welding mutually with circuit board, and it is flat panel configurations substantially, are provided with two and run through this dull and stereotyped hole 610, to help the adhesion of scolding tin.

The holding parts 210,310 and the insulating body 1 of first and second terminal 2,3 contact- segments 21,31 is affixed, and will shield seat 5 and be coated on the insulating body 1 via holding unit 4, just can get high density electrical connector 7.As shown in Figure 6, at this moment, termination contact section 21,31 is upper and lower to align one by one, welding section 23,33 then shifts to install each other because of the offset portion 220,320 that is connected section 22,32, when electric connector 7 is assembled in circuit board, inserts the through hole of circuit board by the snap close 60 of locker 6, and first and second terminal 2,3 welding sections 23,33 are produced the pressure that relies on circuit board, thereby keep the good coplanarity of terminal welding section, help and the welding of circuit board (not shown) surface adhering.

Therefore, the utility model electric connector is owing to adopt the terminal of tool offset portion structure, the stacked accepting groove of its insulating body can upper and lower aligning one by one and must interlaced with each otherly not be provided with, thereby can make full use of the set space of insulating body to increase the quantity of accepting groove, and obtain highdensity electric connector, the welding section of terminal then is in line because of offset portion misplaces each other simultaneously, helps carrying out the surface adhering welding with circuit board, and therefore guarantees the quality of welding.

Claims (8)

1. electric connector, be used for electrically connecting with circuit board, comprise the insulating body and the stacked the first terminal that is housed in the insulating body that are lengthwise body shape, second terminal, this insulating body is extended with coupling portion along vertical its longitudinally, and be provided with the accepting groove that two stacked mutually rows are run through in the coupling portion at least, the described the first terminal and second terminal are housed in respectively in row's accepting groove, it is characterized in that: all the first terminals are all one-body molded contact-segment, be connected section and welding section, wherein be connected the offset portion that relative its contact-segment of section and welding section are provided with a side direction, relative contact-segment of welding section and linking section are bent into certain angle; Second terminal is identical substantially configuration with the first terminal, and its welding section is different with the first terminal contact-segment along the development length of overbending direction, when first and second terminal of correspondence is contained in the stacked accepting groove, the contact-segment of first and second terminal keeps certain intervals just and aligns mutually, and welding section then shifts to install at grade.

2. electric connector as claimed in claim 1 is characterized in that: vertical its longitudinally in insulating body upper edge and oppositely extend with coupling portion and be provided with the junction surface of " U " type.

3. electric connector as claimed in claim 1 is characterized in that: in the time of in first and second terminal is housed in the insulating body accepting groove respectively, the offset portion that first and second corresponding terminal is connected section mutually away from.

4. electric connector as claimed in claim 1 is characterized in that: the welding section of first and second a terminal contact-segment and a linking section angle that is bent relatively separately equates.

5. electric connector as claimed in claim 1 is characterized in that: the contact-segment of terminal comprises that clamping part reaches and the adjacent holding parts of clamping part, and this clamping part is provided with two and has the suitably flexible arm that connects, and two connect the slit that maintains certain width between the arm.

6. electric connector as claimed in claim 1 is characterized in that: the coupling portion of this insulating body is coated with a shielding seat with reception room.

7. electric connector as claimed in claim 6, it is characterized in that: the shielding seat is by holding unit and insulating body Joint, this holding unit also is the lengthwise bodily form, and the longitudinally of vertical holding unit and be provided with " U " type connecting portion with the insulating body junction surface is corresponding.

8. electric connector as claimed in claim 7, it is characterized in that: the lengthwise of insulating body is respectively equipped with to two ends dresses the electric connector application of force is positioned at locker on the circuit board, and this locker is one-body molded to be had and can insert the snap close in the circuit board through-hole and can be welded on weld pad on the circuit board.

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