CN2417614Y

CN2417614Y - Electric connector

Info

Publication number: CN2417614Y
Application number: CN00216660U
Authority: CN
Inventors: 邱奕盛; 吴荣发
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: 2000-03-02
Filing date: 2000-03-02
Publication date: 2001-01-31
Anticipated expiration: 2010-03-02

Abstract

The utility model relates to an electric connector, particularly an auxiliary fixing electric connector which is provided with fixing devices and arranged on a maintain printed circuit board for maintaining electric connector stability and making the tail of an end have good connection performance with the printed circuit board. The fixing devices are arranged on both ends of the connector, and are distributed symmetrically; the interference part of each fixing device has the action of position guide and can stably position a connecting pin on an insulator of the electric connector, and the bending part of each fixing part is at the same plane with the connection point of the printed circuit board to ensure the proper flatness degree of the tail of the end at the time of welding.

Description

Electric connector

The relevant a kind of electric connector of the utility model refers to that especially a kind of terminal of fixture mating electrical connector that utilizes reaches preferable flatness, and can accurately locate, and whole electric connector firmly can be fixed in the electric connector on the printed circuit board.

General electronic installation is in order to reach the transmission of signal or electric power, can use usually various electric connectors finish between the electronic installation inner member or this electronic installation and other system between be connected.Usually, electric connector is installed in mainly contains piercing welding and surface adhering technology dual mode on the circuit board, wherein piercing welding is the opposite side that passes terminal on the corresponding through hole of circuit board and terminal is welded in printed circuit board (PCB), when this kind method will make electric connector be installed in a side of printed circuit board (PCB), must keep the usefulness of another side as welding, like this, greatly reduce making the utilized space on the circuit board, so, development in recent years goes out a kind of surface adhering technology, and (Surface Mounting Technology SMT) is directly welded in printed circuit board (PCB) with terminal tails and is provided with on the surface, the same side of electric connector in this kind joint method.Yet, this tail portion of terminal is arranged on the same side of electric connector usually, so that the processing of welding combination is simultaneously carried out, as long as to the whole electric connector application of force a little, just be easy in the relative moment of terminal tails place generation, these terminal tails behind the joint can't be stablized be fixed on the circuit board, cause the unsteadiness of telecommunication transmission.So it is to adopt fixture at the both ends of electric connector that there are many designs in the past, with the electric connector held stationary on printed circuit board (PCB).Relevant patent sees also Japan Patent 6-13116 number, United States Patent (USP) the 5th, 145,405,5,133,670,5,297,966,5,259, No. 789 etc.Fig. 1 is the partial sectional view of these existing electric connector designs, and as shown in the figure, this electric connector fixture is provided with the two ends appropriate position of L type pin 1 in insulating base 2.Wherein an end of pin 1 be one with the face that connects 10 of printed circuit board (PCB) 6 welding one, the other end then is one to be block Fixed Division 11, this Fixed Division 11 can make pin 1 one fix in 2 corresponding holes 21 that are provided with of insulating base.Because the hole of the fixedly group Inbound of Fixed Division 11 on insulating base 2 and insulating base 2 holes 21 is to identical, as long as affixed situation is not good, just may make pin 1 along upper and lower the rocking of hole 21 directions, making it connect face 10 can't firmly be connected on the circuit board, and then destroy the flatness that this connects face 10 and terminal 5 afterbodys 52, terminal can't accurately firmly be welded on the circuit board 6.In addition, on making since pin be arranged at insulating base about end, and about the face that the connects overbending direction difference of two pins, can't make unfavorable while stamped, and reinforcement time cost with same strip.As at fit on, existing pin is arranged on the fashionable nothing of group guiding structure accurately, and accuracy is difficult for grasping when assembling, so makes the flatness between pin and terminal more wayward.

The purpose of this utility model is to provide a kind of electric connector, the fixture that this electric connector had can produce bigger confining force, so that produce good flatness between the pin of this fixture and terminal, increase the joint stable degree, and this fixture is easy to correct assembling location.

According to the purpose of aforementioned utility model, principal character of the present utility model is: electric connector is insulator two ends that lengthwise extends and respectively is provided with guide hole accommodating fixture, and the interference part that this fixture is microscler extension can be inserted and is fixed in this joining hole.Extend the bending part that is provided with symmetry from an end of fixture interference part to the both sides, this two bending part fixes the upper and lower both sides in the insulator end respectively, and the restriction guiding can utilize its slippage the time is fixed on the insulator fixture.Because the direction of insertion of fixture is parallel to circuit board, and it is affixed to borrow bending part can cooperate the interference part that fixture is stablized, so the bending part that fixture relies on circuit board can reach preferable flatness with terminal, makes the weld cases of terminal good and firm.And, because it is symmetrical to be located at the fixture of insulator both sides,, therefore can adopt same strip to carry out stamped simultaneously applicable to arbitrary end of insulator.

Because adopt such scheme, the production of the fixture of the utility model electric connector can be saved man-hour, and can reduce the generation of defective products, and can make its easy to assembly, rapid with electric connector.

Below in conjunction with accompanying drawing and implement embodiment the utility model is described in further detail.

Fig. 1 is the cutaway view of existing electric connector.

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

Fig. 3 is that the utility model electric connector engages the three-dimensional combination figure of implementing signal with circuit board.

Fig. 4 is the cutaway view of Fig. 3 along IV-IV line direction.

Please consult shown in Figure 2ly earlier, the utility model mainly includes insulator 4, members such as terminal 5 and fixture 3, and wherein insulator is that the lengthwise shape extends, the one side surface is concaved with a spliced eye 40, goes into butt connector in order to group.In this jack 40, be provided with the through hole (not shown) of some perforation insulators, in order to accommodate and fixing terminal 5 to its another side.Terminal 5 one ends extend in the jack 40, and to form the contact jaw 51 that butt connector electrically conducts, its other end then oppositely extends and protrudes from outside the insulator 4, through suitably forming the abutting end 52 that is resisted against on circuit board 6 contacts 61 after the bending.In addition, respectively be provided with along the suitably recessed guide hole 42 of butt joint direction in the appropriate position, two ends of insulator 4, the relative outside of this two guide hole 42 also respectively is provided with a projection 41 to cooperate guide hole 42.

See also Fig. 2 and shown in Figure 3 again, fixture 3 of the present utility model is microscler extension, the one end forms has the interference part 30 of interfering function, then extension is provided with the bending part 31 that is the bending of L shape to both sides away from the other end on the fixture 3 of interference part 30, this two bending part 31 is to the bending of the same side of fixture 3 direction, and its formed plane, bending back 33 spacings approximate the height that is provided with of insulator 4 projections 41 greatly.During assembling, fixture 3 is gone in the guide hole 42 along the direction group that is parallel to the interface direction, borrows its interference part 30 to be fastened in guide hole 42 inwalls.In addition, after the fixture group is gone into suitable length, its bending part 31 formed two planes 33 will be overlapped on the projection 41 upper and lower both sides (showing as Fig. 4) of guide hole 42 sides respectively, so, fixture 3 is gone into according to butt joint direction liptinite, and be subjected to plane 33 restrictions of bending part 31 and can not teetertotter.Respectively be provided with a positioning block 44 in the appropriate position of insulator 4 and printed circuit board (PCB) mating surface 43 again, when electric connector also is not welded on the printed circuit board (PCB) 6, its part can be inserted the location hole 60 that cooperates with it on the printed circuit board (PCB) 6, be positioned on the printed circuit board (PCB) 6 and can be about to electric connector earlier, and provide the terminal welding required prestressing force, strengthen welding effect.

See also shown in Figure 4, because the interference part 30 of fixture 3 and the cooperation of guide hole 42 are parallel to the butt joint direction, and its bending part 31 can be connected to insulator 4 upper and lower sides, can further limit fixture 3 makes it be difficult for rocking, so, the plane 33 that fixture 3 relies on circuit board 6 constitutes the good flatness of being abutted against with the abutting end 52 of mating terminals 5, makes terminal 5 welding effects well firm.This plane 33 also can be welded on the circuit board 6 simultaneously, to promote the winding stability.

See also shown in Figure 4ly, fixture 3 bending parts 31 respectively are provided with the breach 32 of a semicircle by the side of interference part 30, can reduce firm joint device 3 and cooperate the stress at interference position, back concentrated with insulator 4.30 both sides, interference part of fixture 3 are provided with detent projection 301, and when fixture 3 cooperated with insulator 4, it can embed insulator 4 inwalls, form firmly to connect.

Claims

1, a kind of electric connector, it comprises insulator, is contained in terminal and fixture in the insulator, wherein place, the two ends of insulator longitudinally is provided with the joining hole of offering along the butt joint direction, it is characterized in that: fixture according to be parallel to dock direction the direction group on the projection of being located at the insulator two ends, the one end protrudes out the interference part, the other end then protrudes out and is bent into bending part to both sides, and bending part is fastened in the both sides of above-mentioned projection.

2, electric connector as claimed in claim 1 is characterized in that: two bending part ends of fixture are to be bent into parallel plane to the same side.

3, electric connector as claimed in claim 2 is characterized in that: the bending part plane mating terminals that fixture relies on circuit board is engaged on the circuit board.

4, electric connector as claimed in claim 1 is characterized in that: the side that the fixture bending part relies on the interference part is provided with the breach that is semicircle shape.

5, electric connector as claimed in claim 1 is characterized in that: the appropriate position of insulator and printed circuit board (PCB) mating surface respectively is provided with a positioning block.

6, electric connector as claimed in claim 1 is characterized in that: the both sides of fixture interference part are provided with detent projection.