CN2645259Y

CN2645259Y - Electric connector

Info

Publication number: CN2645259Y
Application number: CNU032760159U
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: 2003-07-07
Filing date: 2003-07-07
Publication date: 2004-09-29
Anticipated expiration: 2013-07-07

Abstract

The utility model discloses an electrical connector, comprising an insulating body, a locating plate, a plurality of first terminals and second terminals. The insulating body comprises a base and an docking block on the base, wherein a plurality of housing channel flows are arranged on the surface of the base; the first terminal comprises a welding part extending along the direction basically vertical to the circuit board; the second terminal comprises a welding part extending along the direction generally parallel to the circuit board and the connection parts connected with the corresponding housing channel flows of the base; the locating plate is positioned on the base of the insulating body, wherein a plurality of through holes are arranged through the locating plate, the welding part of the first terminal passes through the through holes to provide the locating function for the welding part of the perforation welding first terminal, a plurality of bulges are arranged on the surface of the locating plate, propping on the connection part of the second terminal to ensure the good common flatness of the welding part in the surface mounting second terminal.

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.The weld part of piercing welding type terminal extends perpendicular to circuit board, need aim at one by one with the welding connecting hole of circuit board; And the weld part of surface installing type terminal is parallel to the circuit board extension, needs preferable same flatness.Because the positioning requirements difference of the weld part of described two types of terminals for the described two types of terminals in being arranged at same electric connector, keeps the good location of its weld part simultaneously, truly has certain difficulty.

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

[utility model content]

The purpose of this utility model is to provide a kind of electric connector, and group is provided with location-plate on its insulating body, except the weld part to piercing welding type terminal provides the positioning function, also can guarantee the good same flatness of weld part of surface installing type terminal.

For reaching above-mentioned utility model 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, some first, second terminals and location-plate.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 joint chair is provided with some passages of accommodating in to joint chair, on a surface of pedestal, be formed with some conduits of accommodating; 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, each second terminal comprises being contained in accommodates the matched contact site of the conducting terminal that is used to butt connector in the passage and is in substantially parallel relationship to the weld part that the circuit board direction is extended the correspondence of joint chair, is provided with the corresponding connecting portion of accommodating in the conduit that is contained in described pedestal between contact site and the weld part; 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 described the first terminal passes described through hole, is equipped with some projectioies in a surface of location-plate, and described projection is resisted against on the described connecting portion of second terminal.

Compare with prior art, electric connector of the present utility model has following beneficial effect: group is provided with location-plate on the insulating body of this electric connector, the through hole of this location-plate provides positioning function to the weld part of the piercing welding type terminal (the first terminal) of electric connector, simultaneously, the projection of location-plate can guarantee the good same flatness of weld part of surface installing type terminal (second terminal).

[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 installed on the printed circuit board (PCB) 50, in order to matched with butt connector, 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 and second accommodates passage 112,113 in order to accommodate conducting terminal 20, and it lays respectively at docking port 111 upper and lower both sides and runs through whole to joint chair 11.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 and Fig. 8 are to shown in Figure 9, conducting terminal 20 comprises some the first terminals 22 and some second terminals 26, the first terminal 22 is a piercing welding type terminal, 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 122, 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.Second terminal 26 is the surface installing type terminal, 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.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.Because the connecting portion 224 length differences of per two adjacent the first terminals 22 are so the weld part 225 of the first terminal 22 is staggered and arranges.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.

Group is provided with location-plate 30 on the insulating body 10 of electric connector 1, the through hole of this location-plate 30 provides positioning function to the weld part 225 of the piercing welding type terminal (the first terminal) 22 of electric connector 1, simultaneously, the projection 34 of location-plate 30 can guarantee the good same flatness of weld part 265 of surface installing type terminal (second terminal 26).

Claims

1. electric connector, comprise insulating body, some the first terminals and some 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, in to joint chair, be provided with some passages of accommodating, on a surface of pedestal, be formed with some conduits of accommodating; Some the first terminals are piercing welding type terminals, 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, 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, it is characterized in that: be provided with the corresponding connecting portion of accommodating in the conduit that is contained in described pedestal between the contact site of second terminal and the weld part, electric connector also comprises the location-plate on the pedestal that is mounted on insulating body, in this location-plate, run through and be provided with some through holes, the weld part of described the first terminal passes described through hole, some projectioies are equipped with on a surface in location-plate, and described projection is resisted against on the described connecting portion of second terminal.

2. electric connector as claimed in claim 1, it is characterized in that: accommodate passage and comprise being arranged in and running through of the upper and lower both sides of joint chair accommodated passage and second to some first of joint chair accommodate passage, the contact site of described the first terminal is contained in first and accommodates in the passage, and the contact site of described second terminal is contained in second and accommodates in the passage.

3. electric connector as claimed in claim 2 is characterized in that: accommodate passage and second in first and accommodate to be formed with between the passage and accommodate cavity, the contact site of the described 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, the vertical portion of extending downwards by holding parts and the connecting portion that connects weld part and holding parts.

5. electric connector as claimed in claim 4, it is characterized in that: second terminal comprises that also being immobilizated in second holding parts of accommodating in the passage reaches the vertical portion of being extended by holding parts downwards, described contact site is formed by the extension of holding parts one end, and described connecting portion is formed away from the extension of holding parts one end by the vertical portion.

6. electric connector as claimed in claim 5 is characterized in that: the connecting portion length difference of per two adjacent the first terminals, arrange and make the weld part of the first terminal be staggered.

7. as claim 1 or 6 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 stage portion is high than the pars intermedia height.

8. electric connector as claimed in claim 7 is characterized in that: the both sides of the contiguous pars intermedia of this stage portion are provided with a pair of draw-in groove, and the opposite end of described location-plate extends a pair of fixture block, and this fixture block matches with the fixing location-plate with this draw-in groove.

9. electric connector as claimed in claim 5 is characterized in that: the weld part of the first terminal is extended straight up by the connecting portion of the first terminal, bends horizontal-extending after the weld part of second terminal is extended straight up by the connecting portion of second terminal again and forms.

10. as claim 1 or 5 described electric connectors, it is characterized in that: this electric connector also comprises shielding casing, and this shielding casing is coated on the end face and the relative two sides to joint chair of insulating body.