CN201210547Y

CN201210547Y - Electric connector

Info

Publication number: CN201210547Y
Application number: CNU2008200493742U
Authority: CN
Inventors: 蔡友华
Original assignee: Lotes Guangzhou Co Ltd
Current assignee: Lotes Guangzhou Co Ltd
Priority date: 2008-06-17
Filing date: 2008-06-17
Publication date: 2009-03-18
Anticipated expiration: 2018-06-17

Abstract

The utility model relates to an electric connector, comprising an insulation main body with one slot and a plurality of guide grooves are concave-set on the bottom of the insulation main body; a plurality of conductive terminals correspondingly housed in the slot and a welding part formed by the bending extension of the conductive terminal towards the guide groove is correspondingly guided into the guide groove. A plurality of guide grooves are concave-set on the bottom of the insulation main body and the welding part formed by the bending extension of the conductive terminal towards the guide groove is correspondingly guided into the guide groove, therefore the flatness of conductive terminal can be adjusted in virtue of the insulation main body with higher flatness after the conductive terminals are assembled in the insulation main body, thus the welding part keeps in the same plate; at the same time the welding part is set in the guide groove to prevent the conductive terminals being deformed due to external force collision.

Description

Electric connector

[technical field]

The utility model relates to a kind of electric connector.

[background technology]

As shown in Figure 1, the electric connector of a kind of SMT (Surface Mount Technology surface mount technology) type of generally using for present industry, it comprises a shielding casing 4, be installed in the insulating body 5 in this shielding casing 4 and be contained in multi-conducting terminals 6 in this insulating body 5.Described insulating body 5 is provided with most terminal containing slots (not shown), in order to accommodate described conducting terminal 6; Described conducting terminal 6 comprises a main part 61 and the weld part 62 that extends to form of this main part 61 1 ends bending certainly, described main part 61 is contained in the described terminal containing slot (not shown), described weld part 62 extends from described insulating body 5 one ends in the mode of almost horizontal, because it is revealed in outside the described insulating body 5, be not limited, become vacant state, therefore, after the electric connector assembling is finished, be easy to take place the uneven phenomenon of described weld part 62 height, promptly, same row's described weld part 62 can't be kept at grade, so that when using surface mount technology to be welded in electric connector on the circuit board, cause some described weld part 62 to have scolding tin and sky occurs and weld phenomenon, thereby the phenomenon of electric connector and circuit board failure welding occurs; In addition, because described weld part 62 is revealed in described insulating body 5 outsides, described weld part 62 is subject to the external force collision and makes described conducting terminal 6 deform, and then the same not good problem of described weld part 62 coplane degrees that occurs easily.

Therefore, be necessary to design a kind of new electric connector, to overcome above-mentioned defective.

[utility model content]

The purpose of this utility model is to provide a kind of weld part that can make conducting terminal to be maintained at the same horizontal plane and can prevents that conducting terminal is by the collision-deformed electric connector in the external world.

The utility model electric connector comprises: an insulating body, and it offers a slot, and this insulating body bottom surface is concaved with most gathering sills; Multi-conducting terminals, correspondence are contained in the described slot, and this conducting terminal extends to form in the described gathering sill of the corresponding importing of a weld part towards described gathering sill bending.

The utility model electric connector is concaved with most gathering sills by the insulating body bottom surface, and conducting terminal extends to form towards described gathering sill bending, and a weld part is corresponding to import in the described gathering sill, after conducting terminal is assembled in described insulating body like this, itself have higher flatness by described insulating body and make conducting terminal adjust flatness automatically, make described weld part keep at grade; Because in described gathering sill, can preventing described conducting terminal, described welding position deformed by the external force collision simultaneously.

[description of drawings]

Fig. 1 is the stereogram of existing a kind of electric connector;

Fig. 2 is the three-dimensional exploded view of the utility model electric connector first embodiment;

Fig. 3 is the stereogram of the conducting terminal of electric connector shown in Figure 2;

Fig. 4 is the stereogram of another angle of shielding casing of electric connector shown in Figure 2;

Fig. 5 is the stereogram of another angle of insulating body of electric connector shown in Figure 2;

Fig. 6 is the stereogram of another angle of insulating body shown in Figure 5;

Fig. 7 is the three-dimensional combination figure of the utility model electric connector;

Fig. 8 is the three-dimensional combination figure of another angle of electric connector shown in Figure 7;

Fig. 9 is the generalized section of electric connector shown in Figure 7 along the A-A direction;

Figure 10 is the stereogram of the utility model electric connector second embodiment;

Figure 11 is the stereogram of the insulating body of electric connector shown in Figure 10.

[embodiment]

Below in conjunction with the drawings and specific embodiments the utility model electric connector is described further.

Please refer to Fig. 2 to Fig. 9, first embodiment for the utility model electric connector, the utility model electric connector comprises a shielding casing 1, an insulating body 2 and multi-conducting terminals 3, these insulating body 2 installings are fixed in this shielding casing 1, and these conducting terminal 3 installings are fixed in this insulating body 2.

Please refer to Fig. 2 and Fig. 4, described shielding casing 1 is provided with a upper side wall 10 and a lower wall 11 that is oppositely arranged, and the left and right sides wall 12 that is oppositely arranged, this four side walls enclose forms and can be used to accommodate described insulating body 2 and be used for grafting to connected components (not shown) for an interface frame, mating frame 14 of butt connector grafting.

Described upper side wall 10 is provided with two first identical shell fragments 100, identical two first square holes 101 and a through hole 102, and described first shell fragment 100 is near leading edges, and described first square hole 101 is near trailing edges, and described through hole 102 is located between two described first square holes 101.The position of corresponding two described first shell fragments 100 is provided with two second identical shell fragments 110 on the described lower wall 11.Described each sidewall 12 is respectively equipped with one the 3rd shell fragment 120 near leading edge, described first shell fragment 100, described second shell fragment 110 and described the 3rd shell fragment 120 all extend in the described interface frame, mating frame 14 from the bending of place sidewall separately, and can be held in respectively connected components (not shown), described sidewall 12 is provided with a buckle slot 121 near trailing edge, described each sidewall 12 extends downwards respectively from its root edge and is provided with two pins 122 separated by a distance, and it is used for electric connector is fixed in circuit board (not shown).

Please refer to Fig. 5 and Fig. 6, described insulating body 2 installings are fixed in the interface frame, mating frame 14 of described shielding casing 1, and it comprises a base portion 20 and a hyoplastron 21 that is extended by these base portion 20 front ends, and described insulating body 2 is provided with a slot 24, is used to accommodate described conducting terminal 3.

Described base portion 20 has an end face 201 and a bottom surface 202 relative with this end face 201, and left and right sides face 203 adjacent with described end face 201 and described bottom surface 202 respectively and that be oppositely arranged.Described end face 201 is provided with two first identical projections 2011, this two first projection 2011 can correspondingly respectively be fastened in two first square holes 101 of described shielding casing 1, also be provided with a groove 2012 between this two first projection 2011, this groove 2012 is corresponding to the through hole 102 of described shielding casing 1; Described bottom surface 202 is provided with most gathering sills 2021, and this each gathering sill 2021 has a guiding face 2022, enters described guide channel 2021 to guide described conducting terminal 3; Be respectively equipped with a protuberance 2031 on the described two sides 203, these protuberance 2031 correspondences are fastened in the buckle slot 121 of described shielding casing 1.Described base portion 20 extends to form a rib 204 forward from its front end, and when connected components (not shown) being inserted described interface frame, mating frame 14, described rib 204 is used for fool proof.Described base portion 20 bottoms extend to form a base plate 22 forward from front end.In addition, described base portion 20 rear ends are provided with most slot 205 respectively corresponding spacing described conducting terminals 3, and this slot 205 is through to this base portion 20 bottoms.

Both sides and the side plate 211 vertical with described baseplate part 210 that described hyoplastron 21 comprises a baseplate part 210 and is positioned at described baseplate part 210, when connected components (not shown) being inserted described interface frame, mating frame 14, this side plate 211 can be used for fool proof.Spaced apartly on the upper surface 2100 of described baseplate part 210 and the lower surface 2101 be provided with most terminal containing slots 213, be used to accommodate described conducting terminal 3, this terminal containing slot 213 is communicated to described base portion 20, and form the draw-in groove 214 that is connected with this terminal containing slot 213 on described base portion 20, it is used to fix described conducting terminal 3.

Please refer to Fig. 3 and Fig. 8, described conducting terminal 3 installings are fixed in the described insulating body 2, and it is made up of with the following row's conducting terminal 33 that is contained in the terminal containing slot 213 on the described lower surface 2102 row's of the going up conducting terminal 32 that is contained in the terminal containing slot 213 on the described upper surface 2100.Each described conducting terminal 3 comprises a head 30 and a terminal supportor 31, described head 30 comprise one with the contact site 301 that connected components is connected and a junction 302 of being positioned at these contact site 301 rear ends, described connecting portion 302 is provided with the clamping structure in the draw-in groove 214 that is fastened on the described insulating body 2.Described terminal supportor 31 comprises a weld part 312 that bends a transition part 311 of extension downwards and extend to form towards described insulating body 2 bendings from these transition part 311 lower ends from described connecting portion 302 rear ends, this transition part 311 and corresponding described slot 205 cooperation location, this weld part 312 enters under the guiding of described guiding face 2022 in the described gathering sill 2021, because described weld part 312 is subjected to the correcting of described gathering sill 2021, the interior angle that is slightly less than 90 degree between this weld part 312 and the described transition part 311 can part a little to be held, and by means of this elasticity tension, make described weld part 312 tightly against fitting in the described gathering sill 2021, thereby described weld part 312 and described insulating body 2 are combined closely, and then guarantee the flatness that described conducting terminal 3 is good by described gathering sill 2021 good coplanarities.

Please refer to Fig. 8 and Fig. 9, during assembling, at first described conducting terminal 3 installings are fixed in the terminal containing slot 213 of described insulating body 2, make the head 30 of described conducting terminal 3 be positioned at described terminal containing slot 213, make described transition part 311 be fastened in the slot 205 of described insulating body 2, make described weld part 312 import in the described gathering sill 2021, and make the clamping structure of described conducting terminal 3 hold and be fixed in the draw-in groove 214 on the described insulating body 2.

Described insulating body 2 installings that will be equiped with described conducting terminal 3 then are fixed in the interface frame, mating frame 14 of described shielding casing 1.Make and corresponding respectively being fastened in two first square holes 101 of described shielding casing 1 of two first projections 2011 on the described insulating body 2 make that protuberance 2031 correspondences on the described insulating body 2 are fastened in the buckle slot 121 of described shielding casing 1.

Weld part by described conducting terminal bends towards insulating body, and described weld part supports and is contained in the described gathering sill, so, after conducting terminal is assembled in described insulating body, can have higher flatness by the gathering sill of described insulating body itself and make conducting terminal be adjusted flatness automatically, guarantee that described weld part is in the same plane; Because in described gathering sill, can preventing described conducting terminal, described welding position deformed by the external force collision simultaneously; In addition, described weld part bends towards described insulating body, outwards bend with respect to described weld part, circuit board need not be provided with the welding region for described weld part welding in the zone beyond the electric connector, so, spacing between two adjacent electric connectors reduces, thereby helps saving the space on the circuit board.

Please refer to Figure 10 and Figure 11, be second embodiment of the utility model electric connector, itself and the first embodiment difference are: the bottom surface 202 of described insulating body 2 is provided with two row's gathering sills 2021, is provided with before and after wherein adjacent two gathering sills 2021 are; The weld part of described conducting terminal 3 312 one-tenth two rows be provided with, and is provided with before and after wherein adjacent two weld parts 312 are, and described weld part 312 correspondences import in the gathering sill 2021 of described insulating body 2; In addition, the pin 122 of described shielding casing 1 outwards bends extension in the mode of almost horizontal.This electric connector by arranging the weld part of conducting terminal by single being arranged to more, after conducting terminal is contained in insulating body, the corresponding importing gathering sill of the weld part of conducting terminal, make the distance between the adjacent conductive terminal strengthen, solved conducting terminal serious problem of cross-talk when transmitting high-frequency signal.Because the weld part of the conducting terminal of this electric connector is towards the gathering sill bending of described insulating body, and with the same among first embodiment, described weld part supports equally and is contained in the described gathering sill, so, after conducting terminal is assembled in described insulating body, can have higher flatness by the gathering sill of described insulating body itself and make conducting terminal be adjusted flatness automatically, guarantee that described weld part keeps at grade; Simultaneously, because in described gathering sill, can preventing described conducting terminal, described welding position deformed by the external force collision; In addition, described weld part bends towards described insulating body, outwards bend with respect to described weld part, circuit board need not be provided with the welding region for described weld part welding in the zone beyond the electric connector, so, spacing between two adjacent electric connectors reduces, thereby helps saving the space on the circuit board.

Claims

1. an electric connector is characterized in that, comprising:

One insulating body, it offers a slot, and this insulating body bottom surface is concaved with most gathering sills;

Multi-conducting terminals, correspondence are contained in the described slot, and this conducting terminal extends to form in the described gathering sill of the corresponding importing of a weld part towards described gathering sill bending.

2. electric connector as claimed in claim 1 is characterized in that: the vertical respectively corresponding spacing described conducting terminal of most slots that is provided with of described insulating body.

3. electric connector as claimed in claim 2 is characterized in that: described conducting terminal comprises a head, bend extension downwards from described head rear end a transition part cooperates the location with a described slot, and extends described weld part from this transition part lower end.

4. electric connector as claimed in claim 2 is characterized in that: form a guiding face in described weld part inlet port in the described gathering sill.

5. electric connector as claimed in claim 1: it is characterized in that: the interior angle that described weld part forms in the bending place is less than 90 degree.

6. electric connector as claimed in claim 1 is characterized in that: described slot one side is provided with a fool proof rib.

7. electric connector as claimed in claim 1 is characterized in that: setting straggly before and after the adjacent two described weld parts, and the also front and back setting straggly of adjacent two described gathering sills.

8. an electric connector is characterized in that, comprising:

One insulating body, it offers most terminal containing slots, and this insulating body bottom surface is concaved with most gathering sills;

Multi-conducting terminals, correspondence is contained in the described terminal containing slot respectively, and this conducting terminal extends to form in the described gathering sill of the corresponding importing of a weld part towards described gathering sill bending.

9. electric connector as claimed in claim 8 is characterized in that: the vertical respectively corresponding spacing described conducting terminal of most slots that is provided with of described insulating body.

10. electric connector as claimed in claim 8 is characterized in that: setting straggly before and after the adjacent two described weld parts, and the also front and back setting straggly of adjacent two described gathering sills.