CN103579822A

CN103579822A - Electric connector

Info

Publication number: CN103579822A
Application number: CN201210263185.6A
Authority: CN
Inventors: 戈明; 吴林; 徐思雷
Original assignee: Kunshan Luxshare Precision Industry Co Ltd
Current assignee: Luxshare Precision Industry Jiangsu Co Ltd
Priority date: 2012-07-27
Filing date: 2012-07-27
Publication date: 2014-02-12
Anticipated expiration: 2032-07-27
Also published as: CN103579822B

Abstract

An electric connector is installed on a circuit board and comprises an insulating body, a plurality of conductive terminals accommodated in the insulating body and a metal shielding casing wrapping the insulating body. The shielding casing is provided with a plug hole for accommodating a butting connector, and the insulating body is provided with a tongue plate forward extending into the plug hole in a protruding mode. The conductive terminals are provided with the contact portions arranged on the tongue plate, the welding portions backward extending out of the insulating body, wherein the contact portions expose out of the plug hole. The insulating body is further provided with the protruded extending portion extending backward, the protruded extending portion and the welding portions of the conductive terminals are separated in the vertical direction to enable the circuit board to be clamped between the protruded extending portion and the welding portions, the combining strength of the electric connector and the circuit board is improved, the welding portions are prevented from breaking away from the circuit board, and the electrical connecting effect between the electric connector and the circuit board is ensured.

Description

Electric connector

Technical field

The present invention relates to a kind of electric connector, relate in particular to a kind of in order to be arranged on the electric connector of circuit board.

Background technology

Electric connector is generally mounted in circuit board, be used for pegging graft with butt connector, electric connector comprises insulating body, be contained in some conducting terminals in insulating body and the metal shielding casing of coated insulation body, metal shell is provided with the spliced eye of accommodating butt connector, insulating body comprises base portion and from base portion, extends forwardly to the hyoplastron of spliced eye, conducting terminal comprises the fixed part fixing with insulating body, the weld part that the contact site that self-retaining portion extends forward and self-retaining portion extend back, contact site row be located on hyoplastron and expose spliced eye, in order to butt connector, contact, weld part extends back insulating body, be welded on circuit board.Yet, the product of this electric connector is installed, in actual use, when product produces vibrations or rocks, drive electric connector vibrations or rock, may cause the weld part of conducting terminal produce loosening and be separated from circuit board, affect the electric connection effect between electric connector and circuit board.

Therefore, be necessary to design a kind of novel electric connector, to solve the problems of the technologies described above.

Summary of the invention

The object of the present invention is to provide a kind of electric connector that improves itself and circuit board bond strength that has.

For realizing aforementioned object, the present invention adopts following technical scheme: a kind of electric connector, in order to be mounted on circuit board, it comprises insulating body, be contained in some conducting terminals in insulating body and the metal shielding casing of coated insulation body, described shielding casing is provided with to accommodate the spliced eye of butt connector, described insulating body has the hyoplastron that protrudes into forward spliced eye, described conducting terminal has the weld part that row is located at the contact site on hyoplastron and extends back insulating body, contact site is exposed to spliced eye, described insulating body is also provided with the convex extension part extending back, on above-below direction, convex extension part is alternate with conducting terminal weld part separates that circuit board is clamped between convex extension part and weld part.

Compared to prior art, the convex extension part of electric connector insulating body of the present invention and conducting terminal weld part are by circuit board clamping position, increased the bond strength between electric connector and circuit board, avoid weld part to be separated from circuit board, guaranteed the electric connection effect between electric connector and circuit board.

Accompanying drawing explanation

Fig. 1 is the stereogram of electric connector of the present invention.

Fig. 2 stereogram that to be electric connector of the present invention separate with circuit board.

Fig. 3 is that electric connector of the present invention is arranged on the stereogram on circuit board.

Fig. 4 is the part three-dimensional exploded view of electric connector of the present invention.

Fig. 5 is the three-dimensional exploded view of another angle of electric connector of the present invention.

Fig. 6 is the three-dimensional exploded view of electric connector of the present invention.

Fig. 7 is the three-dimensional exploded view of another angle of electric connector of the present invention.

Embodiment

Refer to shown in Fig. 1 to Fig. 7, electric connector 100 of the present invention is a kind of USB 3.0 socket connectors, in order to be welded on circuit board 200 for butt connector (not shown), peg graft, it comprises insulating body 1, be contained in some conducting terminals 2 in insulating body 1 and the metal shielding casing 3 of coated insulation body 1.

Insulating body 1 comprises main body 10 and is fixed on the collets 15 in main body 10, the hyoplastron 12 that main body 10 comprises base portion 11 and protrudes out forward from base portion 11, hyoplastron 12 is provided with upper surface 121 and the lower surface 122 relative with upper surface 121, the rear portion of lower surface 122 is concaved with some accepting grooves 123, front portion is concaved with some depressions 124, between every adjacent two depressions 124, is provided with a fin 125,124 front end faces 120 that extend to forward hyoplastron 12 cave in.

Base portion 11 bottom surfaces are provided with the location notch 111 of fixed insulation piece 15, be around in the interior antetheca 112 of location notch 111 front ends, the first projection 113 extending back from interior antetheca 112 two ends, left and right, two second projections 114 that protrude out downwards from base portion 11 rear ends and be positioned at two protuberances 115 of location notch 111, two first projections 113 align along fore-and-aft direction one by one with two second projections 114, make the first draw-in groove 117 that forms a groove 116 between each first projection 113 and one second projection 114 and be positioned at these groove 116 outsides, groove 116 connects with draw-in groove 117 left and right, the first draw-in groove 117 is arranged with on the side surface of base portion 11, two protuberances 115 separate and are positioned on left and right directions the centre of two first projections 113 between left and right.The rear end of location notch 111 inner roof walls is concaved with the some conduits 118 that run through backward, and conduit 118 connects with location notch 111.

Collets 15 comprise the matrix 151 being fixed in location notch 111 and a pair of convex extension part 152 protruding out backward from matrix 151, and matrix 151 tops are concaved with a pair of holddown groove 153, and outer surface is concaved with one second draw-in groove 157.This convex extension part 152 separates and protrudes out backward the main body 10 of insulating body 1 between left and right.The holddown groove 153 of collets 15 fixes with two protuberances 115 of main body 10, and collets 15 are resisted against forward on interior antetheca 112, and two ends, left and right are contained in groove 116, and restriction collets 15 move forward and backward.First, second draw-in groove 117,157 consistencies from top to bottom also connect mutually.

Conducting terminal 2 comprises first end subgroup 21 and the second terminal group 22, the combination of first,

second terminal group

21,22 meets USB 3.0 host-host protocols, the second terminal group 22 meets USB 2.0 host-host protocols, so the first terminal 21 comprises two pairs of the first difference signal terminal 211 and one first earth terminal 212, the second terminal group 22 between this two couple the first difference signal terminal 211 and comprises one second earth terminal 222, a power supply terminal 223 and a pair of the second difference signal terminal 221 between this second earth terminal 222 and power supply terminal 223.

Each conducting terminal 2 comprises the weld part 25 that contact site 24 that fixed part 23, self-retaining portion 23 extend forward and self-retaining portion 23 extend back, fixed part 23 edges of first end subgroup 21 bury in the main body 10 that is molded over insulating body 1, fixed part 23 edges of first end subgroup 21 bury on the collets 15 that are molded over insulating body 1, in other embodiments, first,

second terminal group

21,22 is fixed on insulating body 1.The contact site 24 of first end subgroup 21 is contained in insulating body 1 accepting groove 123 for flexible arcuate structure part for the contact site 24 that tabular is contained in depression 124, the second terminal group 22 of insulating body 1.

The weld part 25 of first,

second terminal group

21,22 extends back insulating body 1 and is arranged in a row and is located in the same horizontal plane, and is positioned at the top of the convex extension part 15 of collets 15 simultaneously.Weld part 25 parts of the second terminal group 22 are contained in insulating body 1 conduit 118, the second earth terminal 222 of the second terminal group 22 and the weld part 25 of power supply terminal 223 are positioned at this row's outermost locations, the first earth terminal 212 of first end subgroup 21 is provided with the isolated a pair of weld part 25 in left and right, two weld parts 25 of the second difference signal terminal 221 of the second terminal group 22 are arranged in this between weld part 25, so, weld part 25 the putting in order on left and right directions of conducting terminal 2 is followed successively by: the weld part 25 of power supply terminal 223, two weld parts 25 of a pair of the first difference signal terminal 211, one weld part 25 of the first earth terminal 212, two weld parts 25 of the second difference signal terminal 221, an other weld part 25 of the first earth terminal 212, two weld parts 25 of a pair of the first difference signal terminal 211 in addition, the weld part 25 of the second earth terminal 222.

Shielding casing 3 comprises roof 31, diapire 32 and two lateral walls 33, roof 31, diapire 32 and two side 33 enclose and form a spliced eye 35, in order to accommodate butt connector, roof 31 front ends have the first lug 311 that upwards vertical bending is extended, the first lug 311 comprises substrate 312, the butt sheet 314 of holding upwardly extending Extendible flake 313 from substrate 312 left and right and extending to the inside and forward from each Extendible flake 313, the contact pin 314 of balancing or cancel each other separates between left and right and is symmetrical, butt sheet 314 is cantilever-shaped, in order to be pressed on forward on panel (not shown), be grounded.Diapire 32 front ends have the second lug 321 that bending is extended downward vertically, first, second lug 311,321 structures, measure-alike, two side 33 also rushes and is provided with the retaining sheet 332 protruding out to the inside respectively, same retaining sheet 332 is held in forward first, second draw-in groove 117,157, to limit main body 10, the collets 15 of insulating body 1, moves backward.The hyoplastron 12 of insulating body 1 protrudes into forward spliced eye 35, and the contact site 25 of conducting terminal 2 is exposed to spliced eye 35, in order to contact with butt connector.

When electric connector 100 of the present invention is arranged on circuit board 200, the weld part 25 of conducting terminal 2 is welded on the upper surface of circuit board 200, the convex extension part 152 of insulating body 1 is upwards resisted against circuit board 200 lower surfaces, make circuit board 200 be clamped and fixed in weld part 25 between convex extension part 152, increased the bond strength between electric connector 100 and circuit board 200, avoid weld part 25 to be separated from circuit board 200, guaranteed the electric connection effect between electric connector 100 and circuit board 200, convex extension part 152 has the some slits 154 towards conducting terminal 2 weld parts 25, slit 154 runs through convex extension part 152 backward, increase the radiating effect of circuit board 200.In addition, shielding casing 3 two sides 33 also have the resilient clamp sheet 333 extending back, and on left and right directions, circuit board 200 is held sheet 333 and grips, and has further increased the bond strength between electric connector 100 and circuit board 200.

In sum, these are only preferred embodiment of the present invention, should not limit the scope of the invention with this, i.e. every simple equivalence of doing according to the claims in the present invention book and description of the invention content changes and modifies, and all should still remain within the scope of the patent.

Claims

1. an electric connector, in order to be mounted on circuit board, it comprises insulating body, be contained in some conducting terminals in insulating body and the metal shielding casing of coated insulation body, described shielding casing is provided with to accommodate the spliced eye of butt connector, described insulating body has the hyoplastron that protrudes into forward spliced eye, described conducting terminal has the weld part that row is located at the contact site on hyoplastron and extends back insulating body, contact site is exposed to spliced eye, it is characterized in that: described insulating body is also provided with the convex extension part extending back, on above-below direction, convex extension part is alternate with conducting terminal weld part separates that circuit board is clamped between convex extension part and weld part.

2. electric connector according to claim 1, is characterized in that: the weld part of described conducting terminal is arranged in a row and is positioned at same level along left and right directions.

3. electric connector according to claim 1, is characterized in that: described convex extension part comprises isolated a pair of convex extension part, left and right.

4. electric connector according to claim 1, is characterized in that: described convex extension part is concaved with the slit towards conducting terminal weld part, and slit runs through convex extension part backward.

5. electric connector according to claim 1, is characterized in that: described shielding casing is provided with two holding pieces that extend back with clamping circuit board on left and right directions.

6. electric connector according to claim 1, is characterized in that: described insulating body comprises main body and be fixed on the collets in main body, and main body comprises base portion and the described hyoplastron protruding out forward from base portion, and described convex extension part is to protrude out and form backward from collets.

7. according to the electric connector of claim 6, it is characterized in that: described base portion bottom surface be provided with fixed insulation piece location notch, be around in location notch front end with the restriction interior antetheca, the first projection extending back from two ends, interior antetheca left and right, two second projections that protrude out from base portion rear end that move forward of collets and the protuberance that is positioned at location notch downwards, two first projections align along fore-and-aft direction one by one with two second projections, collets two side ends is fixed between first, second projection, and collets are provided with the holddown groove fixing with protuberance.

8. according to the electric connector of claim 7, it is characterized in that: the inner roof wall rear end of described location notch is concaved with the some conduits that run through backward, the weld part of conducting terminal is partly contained in conduit, and conduit and location notch connect.

9. electric connector according to claim 6, it is characterized in that: described conducting terminal comprises first end subgroup and meets the second terminal group of USB 2.0 host-host protocols, the combination of first, second terminal group meets USB 3.0 host-host protocols, first end subgroup is fixed or is inlayed to bury and is molded in main body, and the second terminal group is fixed or inlayed to bury and is molded on collets.

10. electric connector according to claim 9, it is characterized in that: described first end subgroup comprises two pairs of the first difference signal terminal and one first earth terminal between this two couple the first difference signal terminal, the first earth terminal has the isolated a pair of described weld part in left and right, described the second terminal group comprises one second earth terminal, one power supply terminal and a pair of the second difference signal terminal between this second earth terminal and power supply terminal, putting in order of the weld part of conducting terminal is followed successively by: the weld part of power supply terminal, two weld parts of a pair of the first difference signal terminal, one weld part of the first earth terminal, two weld parts of the second difference signal terminal, an other weld part of the first earth terminal, two weld parts of a pair of the first difference signal terminal in addition, the weld part of the second earth terminal.