CN101740958B

CN101740958B - Electric connector

Info

Publication number: CN101740958B
Application number: CN2008103055710A
Authority: CN
Inventors: 王陈喜; 韩洪强; 胡伦松; 朱自强
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2008-11-14
Filing date: 2008-11-14
Publication date: 2012-01-11
Anticipated expiration: 2028-11-14
Also published as: CN101740958A

Abstract

The invention relates to an electric connector comprising an insulation body, conductive terminals and a switch, wherein the conductive terminals are contained in the insulation body; the switch is arranged on the insulation body; the insulation body is provided with a splicing hole and an elastic arm which extends into the splicing hole and can move up and down under the resistance of a butting plug; the switch comprises a first fixed terminal, a second fixed terminal and a movable terminal, wherein the first fixed terminal and the second fixed terminal are separately arranged, the movable terminal is arranged on the elastic arm, the first fixed terminal and the second fixed terminal are respectively provided with welding pins which extend out of the insulation body, and the movable terminal is integrally suspended above the first fixed terminal and the second fixed terminal and can respectively contact with or separate from the first fixed terminal and the second fixed terminal by being driven by the elastic arm so that electrical switch-on or switch-off is formed between the first fixed terminal and the second fixed terminal by dint of the movable terminal. Therefore, when the movable terminal is in a disconnection state with the first fixed terminal and the second fixed terminal, the butting plug only bears the resisting force of the elastic arm and the conductive terminals, the insertion and withdrawal force on the butting plug is reduced, and the insertion and the withdrawal of the butting plug are more convenient.

Description

Electric connector

[technical field]

The relevant a kind of electric connector of the present invention relates in particular to a kind of electric connector with switch.

[background technology]

Prosperity along with science and technology; The use of electronic product is more prevalent; Make various different electric connector arise at the historic moment, generally speaking, when most electric connector inserts for corresponding plug; Can't detect this plug and whether be inserted into the location, thereby other controlled function can't be provided according to this.Therefore, present existing electric connector generally all is provided with the switch with detecting function.It is fixed terminal and movable terminal that the switch of these existing electric connectors is traditionally arranged to be two conducting terminals, and movable terminal can contact with fixed terminal or break off under the compressing of banjo.

The prior art relevant with this case can be announced a kind of electric connector of No. 2696165 announcement with reference to Chinese utility model patent; It comprises insulating body, flexible terminal, fixed terminal and binary signal terminal; Have the terminal containing slot of fixing aforementioned flexible terminal, fixed terminal, the elastic arm that supplies spliced eye that banjo inserts and extend in the spliced eye in the insulating body; Elastic arm and flexible terminal are adjacent; And flexible terminal is adjoining with fixed terminal again, and aforementioned binary signal terminal has the weld part that extends into the contact site in the spliced eye and extend insulating body, in the time of in banjo inserts spliced eye; Banjo promotes elastic arm and makes flexible terminal contact fixed terminal, thereby reaches the detecting effect of switch.Yet; This banjo at flexible terminal with before contact terminal contacts; Banjo goes out to receive outside the extruding force of binary signal terminal; Also having received the power that compresses of elastic arm self and the power of compressing of flexible terminal reaction promotion elastic arm is the indirect extruding force of flexible terminal, so that banjo is stressed excessive in the plug process, causes the user and plugs inconvenience.

Therefore, be necessary to provide a kind of structure improved electric connector that has, to overcome above-mentioned defective.

[summary of the invention]

The object of the present invention is to provide a kind of electric connector that improves contact engaging and separating force that has.

For reaching above-mentioned purpose; The present invention adopts following technical scheme: a kind of electric connector; It comprises: insulating body, be contained in the conducting terminal in the insulating body and be located at the switch on the insulating body; Insulating body is provided with in order to the spliced eye of accommodating banjo and extends in the spliced eye and also can compress elastic arm moving up and down down at banjo; Conducting terminal has the weld part that extends into the contact site in the spliced eye and extend insulating body; Said switch comprises first, second fixed terminal that branch is arranged and is located at the movable terminal on the elastic arm, and first, second fixed terminal is respectively equipped with the welding foot that extends insulating body, and said movable terminal integral body is suspended on the top of first, second fixed terminal; Said movable terminal can contact with first, second fixed terminal respectively or break off under the drive of elastic arm, forms and to electrically conduct or break off so that use movable terminal between first, second fixed terminal.

Compared with prior art; Electric connector of the present invention is used the top that movable terminal is located on the insulating body elastic arm and is suspended on first, second fixed terminal; Make that banjo only receives the power that compresses of elastic arm self and conducting terminal, and does not receive the indirect extrusion power of fixed terminal when movable terminal and first, second fixed terminal are in off-state; Reduced the contact engaging and separating force of banjo, made plug comparatively convenient.

[description of drawings]

Fig. 1 is the three-dimensional combination figure of electric connector of the present invention.

Fig. 2 is another angle three-dimensional combination figure of electric connector of the present invention.

Fig. 3 has the rear side viewing sketch map of conducting terminal and switch for electric connector insulating body fixing of the present invention.

Fig. 4 is the 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 switch of the present invention.

Fig. 7 is the sketch map of electric connector insulating body of the present invention.

[embodiment]

See also Fig. 1 to shown in Figure 7; Electric connector 100 of the present invention is gone up confession banjo (not shown) grafting in order to be installed on circuit board (not shown), and it comprises insulating body 1, is contained in the shielding casing 5 of conducting terminal 2, switch 3, positioning seat 4 and coated insulation body 1 in the insulating body 1.

Insulating body 1 comprises main part 10, convexedly stretch in the cylindrical docking section 11 of main part 10 front ends and run through the spliced eye 12 of docking section 11 and main part 10.The both sides up and down of 11 rear ends, docking section are respectively equipped with protuberance 112, and main part 10 correspondences are provided with the draw-in groove 102 that fixes with protuberance 100.This execution mode electric connector 100 is set to stacked structures, and its docking section 11 all is set to two with spliced eye 12.Main part 10 is respectively equipped with the plurality of terminals accepting groove 103 in order to fixed conductive terminals 2 and switch 3 in the both sides and the bottom of spliced eye 12, and terminal containing slot 103 is connected with each spliced eye 12 and runs through main part 10 downwards.Main part 10 is shaped in the convex elastic arm 121 that stretches in the spliced eye 12 in each spliced eye 12 bottom; Elastic arm 121 tail ends bottom is provided with the holding slot 122 in order to fixing switch 3; Holding slot 122 runs through elastic arm 121 backward; So that switch 3 can be installed on forward on the elastic arm 121, help convenient the installation, elastic arm 121 tops are concaved with the arc surface 123 that connects with banjo.Main part 10 bottoms are provided with and extend back the caulking groove 105 of main part 10 in order to fixing positioning seat 4.Main part 10 rear ends are provided with boss 106, and boss 106 is provided with plurality of vertical groove 108.

Conducting terminal 2 be set to two groups be first, second conducting terminal group 2, the first conducting terminal groups 2 corresponding to the spliced eye 12 that is positioned at insulating body 1 upside, and the second conducting terminal group 2 is corresponding to the spliced eye 12 that is positioned at insulating body 1 downside.First, second conducting terminal group 2 includes first, second conducting terminal 21,24 and earth terminal 25; First conducting terminal 21 of the first conducting terminal group 2 comprises contact terminal 22 and the conversion terminal 23 that was arranged in 22 minutes with contact terminal; Contact terminal 22 comprises elasticity first contact site 222 of location division 221, self-align 221 arc structure that protrudes out to the inside and is located at first junction 223 of first contact site, 222 tail ends that location division 221 lateral margins are provided with some clamping parts 2210.Conversion terminal 23 comprises that second junction 233 that the upwards vertical bending of the location division 231 of slab construction, self-align 231 medial margin is extended and self-align 231 rear end bend the weld part 234 of extension downward vertically.The elastic portion 245 that second conducting terminal 24 comprises the connecting portion 243 that location division 241, self-align 241 extends to the inside, extend from connecting portion 243 tip forward and self-align 241 rear end bend the weld part 244 of extension downward vertically; Be formed with a gap 246 between elastic portion 245 and the location division 241; So that elastic portion 245 can be swung to the inside; Elastic portion 245 front ends have second contact site 242 that protrudes out to the inside, and above-mentioned location division 241, elastic portion 245 and second contact site 242 are laminated structure and are positioned at same plane.

The structure main distinction of the structure of the second conducting terminal group 2 and the first conducting terminal group 2 is: the conversion terminal 23 of the second conducting terminal group 2 and the weld part of second conducting terminal 24 the 234, the 244th, self-align respectively 231,241 front end bends downward vertically to extend and forms.

Earth terminal 25 is for being wholely set; It is roughly the laminated structure of " E " shape; Earth terminal 25 comprises the two elastic portion that laterally arranges up and down 255 that extends forward location division 251, self-align 251 and self-align 251 to the weld part that extends below 254, and elastic portion 255 ends are provided with the contact site 252 that protrudes out downwards.

Switch 3 is set to one respectively corresponding to each spliced eye 12; Each switch 3 comprises first, second

fixed terminal

31,32 and movable terminal 33 that branch respectively is arranged; The symmetrical setting of said first, second

fixed terminal

31,32 structures structure on left and right directions; And be on same sheet metal, to utilize same set of die stamping to form, help practicing thrift manufacturing cost.Describe with structure below corresponding to the switch 3 of the spliced eye 12 of insulating body 1 upside; This first, second

fixed terminal

31,32 include fixed part 311,321, with fixed part 311,321 at interval and the contact part 312,322 that laterally arranges and is connected contact part 312,322 and the connecting portion of an end of fixed part 311,321 313,323 reaches the welding foot 314,324 that bends extension from fixed part 311,321 rear ends downward vertically; Fixed part 311,321 is provided with to extend forward inserted the clamping part 3110,3210 of contact part 312,322; Contact part 312,322 is positioned at the inner side of fixed part 311,321, and fixed part 311,321, contact part 312,322, connecting portion 313,323 and clamping part 3110,3210 are positioned at same plane.

Movable terminal 33 is to form from a sheet metal punching press, and volume is less, helps saving manufacturing cost, and it comprises horizontally disposed base portion 330, is located at first, second clinch 331,332 of base portion 330 right ends.Base portion 330 middle parts are provided with and upwards protrude out the holding parts 333 that a laggard step extends forward, and holding parts 333 is provided with spur 3331.Dash respectively on first, second clinch 331,332 and be provided with the convexity 3310,3320 that protrudes out downwards.

And be rearward position corresponding to the contact part 312,322 of first, second

fixed terminal

31,32 of the switch 3 of the spliced eye 12 of insulating body 1 downside and the same side that welding foot 314,324 is positioned at fixed part 311,321.

Positioning seat 4 comprises that a base station 41 of vertical setting reaches by the extended forward plate 42 that holds of base station 41 front end lower edges.Hold plate 42 and be provided with some through holes 420; Base station 41 is ladder-like arranged; Its inboard is provided with a step 411 and runs through the vertical slit 412 that holds plate 42 downwards; Step 411 is provided with plurality of vertical passage 413, holds plate 42 bottoms and is provided with the some reference columns 421 that match with circuit board installing hole (not shown).

Shielding casing 5 comprises roof 51, front bulkhead 52 and the two side 53 that is connected to together.51 two half roofs of roof about 51 formation that is docking together; Roof 51 rear ends are provided with first stator 512 that bending is to the inside extended; Front bulkhead 52 tops are provided with the holding part 521 that vertical backward bending is extended; Holding part 521 is held on roof 51 lateral surfaces, produces distortion in order to prevent roof 51, and roof 50 offers the circular hole 522 that supplies insulating body 1 docking section 11 to pass.53 rear ends, two side are provided with second stator 532 that bending is to the inside extended, and the bottom is provided with the some fixing pin 531 that are fixed on the circuit board.

When electric connector 100 of the present invention is assembled; At first; Each conducting terminal 2, switch 3 are assembled in forward on the insulating body 1 from body 1 rear end of insulating; The location division 221,231,251 of each conducting terminal 2, the fixed part 311,321 of switch 3 respectively with corresponding terminal accepting groove 103 fixing mutually; The weld part 234,244,254 of each conducting terminal 2 and the welding foot 314,324 of switch 3 extend insulating body 1 respectively downwards, and wherein the welding foot 314,324 of the weld part 234,244 of the first terminal group 2 and switch 3 is contained in the groove 108 of insulating body 1 rear end boss 106; The contact site 222,242,252 of each conducting terminal 2 protrudes in the spliced eye 12, first junction 223 of contact terminal 22 be positioned at conversion terminal 23 second junction 233 inner side and separate setting; First, second

fixed terminal

31,32 contact parts 312,322 are positioned on the same horizontal plane; Movable terminal 33 be immobilizated on insulating body 1 elastic arm 121 and whole be suspended on first, second

fixed terminal

31,32 directly over; Its holding parts 333 is immobilizated in the holding slot 122; Base portion 330 abuts in elastic arm 121 bottoms with first, second clinch 331,332, can prevent that first, second clinch 331,332 from producing distortion.Observe from insulation body 1 rear end; Be arranged in jointly on the same vertical plane corresponding to the weld part 234,244 of the conducting terminal 2 of each spliced eye 12 and the welding foot 314,324 of switch 3, and the weld part 254 of earth terminal 25 aligns the setting of arranging with weld part 234,244 corresponding to insulating body 1 downside spliced eye 12.

Secondly; Positioning seat 4 is immobilizated in insulating body 1 rear end; Hold plate 420 and insulating body 1 caulking groove 18 snap fit mutually; The weld part 234,244 of conducting terminal 2 and the welding foot 314,324 of switch 3 are contained in respective channel 413 and through hole 420 respectively and extend and hold plate 420, and earth terminal 25 location divisions 251 are contained in the slit 412 and extend and hold plate 420.

At last, shielding casing 5 is coated on insulating body 1 outside, docking section 11 is passed front bulkhead 52 circular holes 522 forward, and first, second retaining sheet 522,532 is held in insulating body 1 rear end respectively, becomes flexible but can prevent to cover body 5 relative insulating bodies 1.

When electric connector of the present invention 100 cooperates with banjo; After banjo inserts; It compresses each other with conducting terminal 2 contact sites 222,242,252 and insulating body 1 elastic arm 121 respectively and contacts; Move laterally after first contact site 222 of contact terminal 22 is compressed by banjo, can drive first junction 223 and contact, so can make contact terminal 22 use conversion terminal 23 and realize electrically connecting with circuit board with second junction 233; Elastic arm 121 moves down after being compressed by banjo; Driving movable terminal 33 moves down; Because movable terminal 33 integral body are suspended on the top of first, second fixed

terminal

31,32; Because first, second contact site 312,322 is positioned at same plane; Therefore the convexity 3310,3320 on first, second clinch 331,332 of movable terminal 33 contact with first, second contact site 312,322 respectively simultaneously, make first, second fixed terminal 31, form between 32 and electrically conduct, thereby the realization detecting function.First, second contact site 312,322 allows a spot of strain or does not have elasticity at above-below direction.

Electric connector 100 of the present invention is used the top that movable terminal 33 is located on insulating body 1 elastic arm 121 and is suspended on first, second fixed

terminal

31,32; Make when movable terminal 33 and first, second

fixed terminal

31,32 are in off-state; When promptly butt joint was inserted, movable terminal 33 was with before first, second fixed

terminal

31,32 contacts; When banjo is extracted; After movable terminal 33 broke off with first, second

fixed terminal

31,32, banjo only received the power that compresses of elastic arm 121 and conducting terminal 2 self, and did not receive the indirect extruding force of fixed terminal 33; Reduced the contact engaging and separating force of banjo, made plug comparatively convenient.Simultaneously; First, second fixed

terminal

31,32 and 33 pairs of elastic performances of movable terminal are less demanding; So can utilize elasticity relatively poor or do not have elasticity and the lower raw material metal of price; Help practicing thrift manufacturing cost, movable terminal 33 is designed to a volume small construction, and manufacturing cost further obtains less control.

Claims

1. electric connector; It comprises: insulating body, be contained in the conducting terminal in the insulating body and be located at the switch on the insulating body; Insulating body is provided with in order to the spliced eye of accommodating banjo and extends in the spliced eye and also can compress elastic arm moving up and down down at banjo; Conducting terminal has the weld part that extends into the contact site in the spliced eye and extend insulating body; It is characterized in that: said switch comprises first, second fixed terminal that branch is arranged and is located at the movable terminal on the elastic arm; First, second fixed terminal is respectively equipped with the welding foot that extends insulating body; Said movable terminal integral body is suspended on the top of first, second fixed terminal, and said movable terminal can contact with first, second fixed terminal respectively or break off under the drive of elastic arm, forms and to electrically conduct or break off so that use movable terminal between first, second fixed terminal.

2. electric connector as claimed in claim 1 is characterized in that: said movable terminal comprises horizontally disposed base portion and is located at the clinch that can contact or break off with first, second fixed terminal at base portion two ends that said clinch abuts in the elastic arm bottom.

3. electric connector as claimed in claim 2; It is characterized in that: said movable terminal is set to non-elastic structure; It comprises that from the upwardly extending holding parts of base portion said elastic arm tail end bottom is provided with the holding slot that fixes with holding parts, and said holding slot runs through elastic arm backward.

4. electric connector as claimed in claim 1 is characterized in that: said first, second fixed terminal has first, second contact part that contacts or break off with movable terminal respectively, and said first, second contact part is located in the same horizontal plane.

5. electric connector as claimed in claim 2 is characterized in that: said clinch is provided with the convexity that can contact or break off with fixed terminal, is concaved with the arc surface in order to connect with banjo on the said elastic arm.

6. electric connector as claimed in claim 1; It is characterized in that: the symmetrical setting on left and right directions of said first, second fixing terminal structure; The contact part that first fixed terminal comprises the fixed part that fixes with insulating body, be provided with fixed part at interval and be connected to the contact part and the connecting portion of fixed part one end; Said welding foot is that the other end from fixed part bends downwards to extend and forms, and said fixed part, contact part and connecting portion are on same plane.

7. electric connector as claimed in claim 6 is characterized in that: the said first fixed terminal fixed part is provided with the clamping part that extends beyond connecting portion forward, said clamping part in order to insulating body buckle fixing mutually, said welding foot is located at the fixed part rear end.

8. electric connector as claimed in claim 1; It is characterized in that: said conducting terminal comprises first conducting terminal; First conducting terminal comprises contact terminal and the conversion terminal that branch is arranged; Said contact site is located on the contact terminal, and said weld part is located on the conversion terminal, and said contact terminal includes with insulating body and reaches the junction that on the contact site moving direction, is spaced apart with conversion terminal in the location division of fixing mutually; Said contact site is to be connected between location division and the junction, and said junction can contact with conversion terminal after banjo compresses contact site.

9. electric connector as claimed in claim 1; It is characterized in that: said conducting terminal comprises second conducting terminal; Second conducting terminal comprises and the insulating body location division, the elastic portion of self-align extension of fixing mutually that said contact site is located on the elastic portion, forms a gap between location division and the elastic portion; Said weld part is that an end of self-align forms to extending below, and said location division, elastic portion and contact site are in same plane.

10. electric connector as claimed in claim 1; It is characterized in that: said electric connector comprises the positioning seat that is immobilizated in the insulating body rear end; Positioning seat comprises that base station reaches by the extended forward plate that holds of base station front end lower edge; Hold the through hole and the passage that offer location weld part and welding foot on plate and the base station, the insulating body rear end is provided with the groove of accommodating weld part and welding foot, and said weld part and welding foot are held between base station and the groove madial wall; The insulating body bottom is provided with the caulking groove that fixing holds plate, and said weld part and welding foot are positioned on the same vertical plane.