CN2651958Y

CN2651958Y - Electric connector

Info

Publication number: CN2651958Y
Application number: CNU032773129U
Authority: CN
Inventors: 李春生
Original assignee: Hongteng Precision Technology Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Hongteng Precision Technology Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2003-07-31
Filing date: 2003-07-31
Publication date: 2004-10-27
Anticipated expiration: 2013-07-31

Abstract

The utility model discloses an electric coupler, which comprises an insulating main body and a plurality of conducting terminals. The insulating main body wherein comprises a pedestal for positioning at one side of a PCB, a butt base adapting to the electric coupler and a plurality of accommodation channels arranged in the butt base. The accommodation channels are arranged into an upper row and a lower row; both rows of e accommodation channel are positioned towards each other along a direction vertical with the circuit board. Each terminal comprises a contact part positioned in a corresponding accommodation channel of the butt base to adapt to the conducting terminal of the connector and a welding part arranged on the circuit board. In addition, a pair of conducting terminal contact parts are respectively positioned in a pair of accommodation channels along a direction vertical with the circuit board. A welding part of at least one terminal of the two terminals is not arranged on the same plane with the contact part.

Description

Electric connector

[technical field]

The utility model is relevant a kind of electric connector, relates in particular to a kind ofly to be installed on the printed circuit board (PCB) and to have piercing welding type terminal simultaneously and the electric connector of surface installing type terminal.

[background technology]

The technology that computer field electric connector commonly used is installed on the printed circuit board (PCB) generally includes piercing welding technology (Through Hole Technology, THT) and surface mounting technology (Surface MountTechnology, SMT), as United States Patent (USP) the 4th, 679, the electric connector that is disclosed for No. 883, it comprises insulating body and is contained in the interior plurality of conductive terminals of insulating body that this kind terminal adopts the mode and the printed circuit board (PCB) of piercing welding to reach electric connection.Yet, special designing requirement according to circuit configuration on the printed circuit board (PCB), electric connector needs to be provided with simultaneously some piercing welding type terminals and surface installing type terminal sometimes, with respectively with circuit board on through hole that is connected with circuit and pad weld mutually, thereby the electric connection of reaching electric connector and circuit board.These two kinds of terminals are generally upper and lower row and arrange, and the docking section that lays respectively at the terminal on two rows needs alignment mutually on vertical direction.Design of the welding afterbody of terminal and docking site are on same perpendicular in the prior art, when vertically the pair of terminal of alignment is respectively piercing welding type terminal and surface installing type terminal among upper and lower two rows, when terminal successively is assembled in the insulating body, the welding afterbody of two kinds of terminals can interfere, and faces bigger assembling difficulty.

So, be necessary above-mentioned connector terminals structure is improved to solve the problems of the technologies described above.

[utility model content]

Main purpose of the present utility model is to provide a kind of electric connector, and its conducting terminal can be organized in the insulating body respectively easily.

Another purpose of the present utility model is to provide a kind of electric connector with piercing welding type terminal and surface installing type terminal, can not interfere mutually when its terminal group of two types is gone in the insulating body.

For reaching above-mentioned purpose, the utility model adopts following technical scheme: a kind of electric connector is installed on the printed circuit board (PCB), and in order to dock electric connector matched, it comprises insulating body and some first, second terminals.Insulating body comprise in order to the pedestal of a side that is installed on printed circuit board (PCB) and in order to dock electric connector matched to joint chair, be provided with some passages of accommodating in to joint chair, these are accommodated arrangement of passages and become upper and lower two rows and corresponding mutually on perpendicular to the direction of circuit board; Some the first terminals are piercing welding type terminal, each the first terminal comprise be contained in to the correspondence of joint chair accommodate in the passage in order to matched contact site of the conducting terminal of butt connector and the weld part that extends perpendicular to the circuit board direction substantially; Some second terminals are the surface installing type terminal, and each second terminal comprises being contained in accommodates in the passage in order to the matched contact site of the conducting terminal of butt connector and be in substantially parallel relationship to the weld part that the circuit board direction is extended the correspondence of joint chair; The mutually corresponding a pair of contact site that contains pair of terminal in the passage respectively of accommodating on perpendicular to the direction of circuit board wherein, this is made up of a first terminal and one second terminal terminal, and the weld part portion of being in contact with it that has a terminal in these two first, second terminals at least is not at grade.

Compare with prior art, electric connector of the present utility model has following beneficial effect: because the contact site side direction biasing and can organizing respectively easily in the insulating body relatively separately of the weld part of upper and lower row's terminal of this electric connector, and upper and lower two rows' terminal group can not interfere with each other when going in the insulating body.

[description of drawings]

Fig. 1 is the main parallax stereogram of the utility model electric connector.

Fig. 2 is the stereogram of another angle of electric connector shown in Figure 1.

Fig. 3 is the not stereogram of installing and locating plate of electric connector shown in Figure 2.

Fig. 4 is the stereogram that electric connector shown in Figure 3 is not installed conducting terminal and location-plate.

Fig. 5 is the stereogram of first, second terminal of electric connector of the present utility model.

Fig. 6 is the stereogram of the location-plate of electric connector of the present utility model.

Fig. 7 is that electric connector shown in Figure 1 is mounted to the stereogram on the printed circuit board (PCB).

Fig. 8 is the cutaway view of electric connector of the present utility model along the line A-A direction of Fig. 1.

Fig. 9 is the cutaway view of electric connector of the present utility model along the line B-B direction of Fig. 1.

[embodiment]

See also shown in Figure 1, electric connector 1 of the present utility model is to be installed on the printed circuit board (PCB) 50, in order to matched with butt connector (not shown), it comprises insulating body 10, the some conducting terminal 20 in the insulating body 10, shielding casings 40 that is installed on the location-plate 30 at insulating body 10 rear portions and is covered in insulating body 10 front portions of being contained in.

See also Fig. 1, Fig. 2 and shown in Figure 4, insulating body 10 is formed by the plastic material ejection formation, and it comprises that to joint chair 11 and pedestal 12 this is positioned at pedestal 12 tops and protrudes in pedestal 12 joint chair 11.Joint chair 11 is cuboid substantially, and it comprises that docking port 111 and some first, second accommodate passage 112,113, and this docking port 111 extends back and forms one and accommodate cavity 114, in order to the docking section (not shown) of accommodating butt connector.First, second accommodates passage 112,113 in order to accommodate conducting terminal 20, and its upper and lower arranged on both sides respectively at docking port 111 becomes two rows and runs through whole to joint chair 11, and this two row accommodates passage 112,113 alignment mutually on vertical direction.Pedestal 12 is a flat cuboid substantially, it comprises a pair of pars intermedia 121 that is arranged at the stage portion 122 at two ends and connects two stage portion 122, stage portion 122 is high than the height of pars intermedia 121, is equipped with on stage portion 122 in order to the reference column 125 of the positioning action when being installed on circuit board to be provided.Side by stage portion 122 contiguous pars intermedias 121 has extended to form draw-in groove 128.The rear end of joint chair 11 is positioned at pars intermedia 121 tops of pedestal 12 and front end stretches out pedestal 12 front-end edges, and this pars intermedia 121 is provided with some prominent ribs 123, is formed with between per two prominent ribs 123 and accommodates conduit 124.

See also Fig. 3, Fig. 5, Fig. 8 and shown in Figure 9, conducting terminal 20 comprises some the first terminals 22 and some second terminals 26, the first terminal 22 is piercing welding type terminals, it comprises and is immobilizated in first holding parts 221 of accommodating in the passage 112, be tilted to down by holding parts 221 1 ends and extend and be contained in first elastic contact part 222 of accommodating in the passage 112, the vertical portion 223 of extending straight down away from contact site 222 1 ends by holding parts 221, the connecting portion 224 that is extended back by vertical portion 223 levels reaches the weld part 225 that is extended straight up by connecting portion 224, forms projection 226 on this contact site 222.The length of the connecting portion 224 of this per two adjacent the first terminal 22 is different so that welding.The vertical portion 223 of this first terminal 22 is further divided into first vertical portion 2231 and second vertical portion 2232, this second vertical portion 2232 is connected with 2231 lateral tilts of first vertical portion, both are not located along the same line, wherein contact site 222, holding parts 221 and first vertical portion 2231 are positioned on the same perpendicular, and weld part 225, connecting portion 224 and second vertical portion 2232 are positioned on the same perpendicular.Second terminal 26 is surface installing type terminals, and it comprises and is immobilizated in the connecting portion 264 of second accommodating holding parts 261 in the passage 113, the vertical portion 263 of extending straight down away from contact site 262 1 ends by the upwardly extending elastic contact part 262 of holding parts 261 1 ends, by holding parts 261, being extended back by vertical portion 263 levels and bends horizontally extending weld part 265 straight up then by connecting portion 264.The contact site 262 of second terminal 26 has essentially identical structure with the contact site 222 of the first terminal 22, also is formed with projection 266 on its contact site 262.Equally, the vertical portion 263 of this second terminal 26 is further divided into first vertical portion 2631 and second vertical portion 2632, this second vertical portion 2632 is connected with 2631 lateral tilts of first vertical portion, both are not located along the same line, wherein contact site 262, holding parts 261 and first vertical portion 2631 are positioned on the same perpendicular, and weld part 265, connecting portion 264 and second vertical portion 2632 are positioned on the same perpendicular.Between weld part 265 and connecting portion 264, also be provided with straight up and extend and both interconnective the 3rd vertical portions 269.The holding parts 221,261 of first,

second terminal

22,26 is provided with some hangnails 228,268.

See also shown in Figure 6, location-plate 30 is rectangular tabular, it comprises base portion 32, by the extended fixture block 36 in base portion 32 two ends and some through holes 33 that runs through location-plate 30, form a groove 35 between the lower surface of this location-plate 30 is equipped with some protruding 34, per two adjacent protruding 34.

See also shown in Figure 7ly, shielding casing 40 is formed by the metal material stamping-out, and it covers the end face of joint chair 11 and relative two sides.

During installation, accommodate in the passage 113 thereby the inwall interference engagement that the holding parts 261 of second terminal 26 and contact site 262 are accommodated passage 113 by hangnail 268 and second is immobilizated in second, wherein projection 266 protrudes into and accommodates in the cavity 114.The connecting portion 264 of second terminal 26 is contained in the accommodating in the conduit 124 of pars intermedia 121 of pedestal 12.The first terminal 22 is contained in the mode identical with second terminal 26 first of joint chair 11 is accommodated in the passage 112, and its connecting portion 224 is positioned on the prominent rib 123 of pars intermedia 121 of pedestal 12.When butt connector is contained in when accommodating cavity 114, thereby the projection 226,266 of first,

second terminal

22,26 is compressed contact site 222,262 respectively upwards and downward generation strain.Owing to the vertical portion 223,263 of the first terminal and second terminal is divided into two parts that lateral tilt connects weld part 225,265 is setovered with respect to contact site 223,263 side direction, so, this is to the alignment mutually on perpendicular to the circuit board direction of contact site 222,262 of

terminal

22,26, this to the weld part 225,265 of

terminal

22,26 with respect to contact site 222,262 biasings separately and be positioned at this both sides, plane, contact site 222,262 place to terminal 22,26.The fixture block 36 at location-plate 30 two ends matches with the draw-in groove 128 of stage portion 122 respectively, the weld part 225 of the first terminal 22 passes the corresponding through hole 33 of location-plate 30, the projection 34 of location-plate 30 presses downward to the accommodating in the conduit 124 of pars intermedia 121 of pedestal 12, be resisted against simultaneously and be contained on the connecting portion 264 of accommodating second terminal 26 in the conduit 124, and prominent rib 123 correspondences of pars intermedia 121 are contained in the groove 35 of location-plate 30.So, location-plate 30 firmly is immobilizated on the pars intermedia 121 of pedestal 12.Then shielding casing 40 from up to down is mounted on the joint chair 11.This electric connector 1 adopts heavy plate mode to be mounted to from bottom to up on the printed circuit board (PCB) 50, joint chair 11 is contained in the corresponding breach (not label) of printed circuit board (PCB) 50, the reference column 125 of stage portion 122 passes the corresponding location hole (not label) of printed circuit board (PCB) 50, and the weld part 225 of the first terminal 22 passes the welding hole (not label) of printed circuit board (PCB) 50 and be welded on this printed circuit board (PCB) 50, and the weld part 265 of second terminal 26 adopts surface mounting technologys to be soldered to the lower surface of printed circuit board (PCB) 50.At last, by conventional screw and cooperating of screw electric connector 1 further firmly is installed on the circuit board.

Claims

1. electric connector, be installed on the printed circuit board (PCB), in order to dock electric connector matched, it comprises insulating body and some first, second terminals, insulating body comprise in order to the pedestal of a side that is installed on printed circuit board (PCB) and in order to dock electric connector matched to joint chair, be provided with some passages of accommodating in to joint chair, these are accommodated arrangement of passages and become upper and lower two rows and corresponding mutually on perpendicular to the direction of circuit board; The first terminal is a piercing welding type terminal, each the first terminal comprise be contained in to the correspondence of joint chair accommodate in the passage in order to matched contact site of the conducting terminal of butt connector and the weld part that extends perpendicular to the circuit board direction substantially; Second terminal is the surface installing type terminal, and each second terminal comprises being contained in accommodates in the passage in order to the matched contact site of the conducting terminal of butt connector and be in substantially parallel relationship to the weld part that the circuit board direction is extended the correspondence of joint chair; The mutual corresponding a pair of contact site that contains pair of terminal in the passage respectively of accommodating on perpendicular to the direction of circuit board, this is made up of a first terminal and one second terminal terminal, it is characterized in that: the weld part portion of being in contact with it that has a terminal in described two first, second terminals at least is not at grade.

2. electric connector as claimed in claim 1 is characterized in that: this is to the alignment mutually on perpendicular to the circuit board direction of contact site of terminal, this to the weld part of terminal with respect to contact site biasing separately and be positioned at this both sides, plane, contact site place to terminal.

3. electric connector as claimed in claim 2, it is characterized in that: accommodate passage and be divided into first and accommodate passage and second and accommodate passage, accommodate passage and second in first and accommodate to be formed with between the passage and accommodate cavity, the contact site of the first terminal and second terminal extends into this and accommodates in the cavity.

4. electric connector as claimed in claim 3 is characterized in that: the first terminal also comprise be immobilizated in first accommodate holding parts in the passage, from vertical portion that holding parts extends and connect the connecting portion of weld part and vertical portion.

5. electric connector as claimed in claim 4 is characterized in that: second terminal also comprise be immobilizated in second accommodate holding parts in the passage, from vertical portion that holding parts extends and connect the connecting portion of vertical portion and weld part.

6. as claim 4 or 5 described electric connectors, it is characterized in that: the vertical portion of each terminal is divided into first vertical portion and second vertical portion that lateral tilt connects, first vertical portion, contact site and holding parts are positioned on the same perpendicular, and second vertical portion, connecting portion and welding position are on same perpendicular.

7. as claim 1,2,3,4 or 5 described electric connectors, it is characterized in that: pedestal includes a pair of stage portion and connects the pars intermedia of two stage portion, and this pars intermedia simultaneously is formed with some conduits of accommodating.

8. electric connector as claimed in claim 5, it is characterized in that: electric connector also comprises location-plate, this location-plate is mounted on the pedestal of insulating body, in this location-plate, run through and be provided with some through holes, the weld part of the first terminal passes described through hole, some projectioies are equipped with on a surface in location-plate, and projection is resisted against on the described connecting portion of second terminal.

9. electric connector as claimed in claim 4 is characterized in that: the weld part of the first terminal forms perpendicular to the connecting portion extension of the first terminal.

10. electric connector as claimed in claim 5 is characterized in that: the connecting portion vertical extent of second terminal forms the 3rd vertical portion, and the weld part of second terminal is formed by the 3rd vertical portion bending horizontal-extending.