CN2351884Y - Electric connector - Google Patents

Abstract

The utility model relates to an electric connector. The electric connector mainly comprises an insulating body, a casing body, a terminal, a guide pillar, and a shielding sheet, wherein, the insulating body is divided into two parts: a cover part and a base body. When the electric connector is assembled, after the cover body, the base body, the casing body, and the shielding body are combined orderly and oppositely, the cover body, the base body, the casing body, and the shielding body are bolted into a whole by the guide pillar. The guide pillar is electrically connected with the casing body and the shielding sheet. Before the guide pillar is combined with a corresponding electric connector, the guide pillar can contact an earthing device of the corresponding electric connector in preference to the terminal to draw off superfluous electrostatic charge. In addition, the insulating body is designed into two component parts, the two component parts can be distributed and cooled uniformly, and the strength of the insulating body is improved further to install a high-density terminal.

Description

Electric connector

The utility model relates to a kind of electric connector, especially a kind of electric connector that is used to install high density of terminals.

For adapting to more and more frequent and a large amount of message transmission, for the electric connector that delivering path is provided, require it to increase number of terminals to satisfy the demand of quick and a large amount of data transmission.Yet, when adopting the high density of terminals design, how these terminal group are gone into density and become big hole wall but in the insulated terminal installing hole of attenuation, can not destroy these installing hole hole walls again, just become the quite processing problems of difficulty.Especially in different electronic installations; the configuration mode difference of its circuit board; the electric connector that feasible correspondence is provided with on it also has the needs that highly increase; and the insulating body of existing electric connector is made as single-piece usually; be that insulating body is the one ejection formation; when the increase of electric connector height extends conducting terminal relatively; when need penetrating long and thin terminal hole wall being installed; regular meeting causes mobile plastic cement to distribute therein and inhomogeneous cooling; thereby influence the intensity of insulating body after the moulding; even cause the defective products of unshaped hole wall, such condition of molding to limit terminal density and the whole height that to install in the electric connector.In addition, in high density of terminals setting and a large amount of message transmission with needing electric connector to have good inside and outside shield effectiveness often with the interference that prevents external noise and the cross-talk between the electric connector internal terminal.And existing electric connector lacks suitable shielding structure mostly, is used for satisfying the needs that the high density of terminals electric connector is installed, and will limit the production and the application of high density electrical connector like this.

The purpose of this utility model is to provide a kind of electric connector, this electric connector can improve the bulk strength of insulating body terminal cell wall, produce anti-effect of covering extraneous noise and inner cross-talk, and electric connector and corresponding another electric connector in conjunction with the time screening arrangement is electrically contacted with earthing device on another electric connector, and in advance unnecessary electrostatic charge is got rid of, may impact the telecommunication transmission to avoid this electrostatic charge.

According to above purpose, the utility model electric connector mainly comprises members such as insulating body, cover body, terminal, guide pillar and shield blade, be primarily characterized in that, this insulating body can be divided into lid and matrix two parts, after in when assembling lid, matrix, cover body and shield blade being assembled successively, utilize the guide pillar riveted joint to form one.Such double-decker design makes insulating body when ejection formation, but separated into two parts carries out, promptly reduced the height of this mould, help the even distribution of plastic cement in mould and evenly cooling, make the insulating body after the moulding have good strength characteristics, in the time of in being applied in the high density of terminals connector, can reduce the structural strength reduction that causes the terminal wall because of the residual internal stress of forming process, thereby improve the reliability of electric connector.The shield blade that is provided with of this electric connector insulating body in addition, in order to prevent the cross-talk between terminal, this shield blade can contact with cover body, and cover body is electrical connected with guide pillar again.This guide pillar is before electric connector and corresponding another electric connector contact, can be earlier with this electric connector on earthing device contact and the unnecessary electric charge on shield blade and the cover body bled off, be not subjected to the influence of unnecessary electric charge to guarantee terminal on the utility model electric connector.

Owing to adopted above scheme, the utlity model has following advantage, promptly reduced the height of each mould, the even distribution that helps shooting material in mould is cooled off with even, make the insulating body after the moulding have good strength characteristics, in the time of in being applied in the high density of terminals connector, can reducing because of the destruction that the terminal groove wall causes is damaged by terminal compressing, thereby improve the reliability of electric connector.Secondly, the utlity model has good inside and outside shield effectiveness, help preventing the interference of external noise and the cross-talk between internal terminal.

Below in conjunction with drawings and Examples the utility model is further described.

Fig. 1 is the exploded view of the utility model electric connector.

Fig. 2 is the three-dimensional combination figure of the utility model electric connector.

Fig. 3 is the cutaway view of the utility model electric connector along Fig. 2 III-III line direction.

Fig. 4 is the cutaway view of the utility model electric connector along Fig. 2 IV-IV line direction.

As shown in Figure 1, the utility model electric connector 10 mainly comprises insulating body 12, cover body 14, the first terminal 16, second terminal 18, guide pillar 20 and shield blade 22.Wherein shield blade 22 is the en plaque that lengthwise extends, and its lengthwise is concaved with several apical grafting grooves 24 respectively on dual-side, and is provided with tool flexible two colludes arm 32 on the both side edges that is provided with apical grafting groove 24.Insulating body 12 comprises lid 34 and matrix 36 two parts, wherein be respectively equipped with interface 38 and relative on lid 34 two relative sides away from the first set faying face 40 of interface, on this interface 38, convex with the docking section 42 of lengthwise shape, be concaved with groove 46 on the extending end face of this docking section, in this groove 46, then be provided with from the groove bottom land and protrude and keep a microscler protuberance 48 of spacing with wall all around, this microscler protuberance 48 is along respectively being provided with the terminal groove 50 that in a row runs through lid 34 on the groove walls of the both sides of its length direction and corresponding groove thereof, so that the usefulness of mounting terminal to be provided.In addition, on microscler protuberance 48 extending ends, be provided with several slits that is through to first faying face 40 52.And be provided with the installing hole 54 that suitably runs through lid 34 ends in the both sides of lid 34, and docking section 42 respectively is provided with the slit 56 that is through to first faying face 40 near on the appropriate location, both sides of installing hole 54, and the sealing of slit 56 extends near the installing hole 54.The slit 52 that runs through from first faying face 40 of lid 34, be provided with therebetween and several corresponding blocks 60 of shield blade 22 1 side apical grafting grooves 24, to cooperate in the apical grafting groove 24 that embeds on this shield blade 22 and the first half of shield blade 22 installed and fixed wherein and to extend apical margin by protuberance and expose (please cooperate shown in Figure 3).Match when connecting when the corresponding electric connector with another of this electric connector 10 (not shown) like this, this exposed portions serve on the shield blade 22 can be grounded effect with corresponding earthing device contact on another corresponding electric connector.In addition, shield blade 22 both sides tools flexible two collude in the slit 56 that arm 32 can corresponding insertion matrix 36 and part be exposed to outside lid 34 docking sections 42.

Please cooperate again and consult Fig. 1 and Fig. 4, one side of insulating body 12 matrixes 36 is provided with second faying face 64 and can be abutted against mutually with first faying face 40 of lid 34, the second faying face lengthwise midline of matrix is provided with the elongate slot 66 corresponding to microscler protuberance 48, in order to the Lower Half of shield blade 22 to be installed, also be provided with several blocks 68 in this elongate slot 66, insert in the shield blade 22 apical grafting grooves 24 and support and end with correspondence.66 liang of lengthwises of the elongate slot of matrix 36 respectively are provided with corresponding with lid 34 terminal grooves 50 on the groove sidewall and run through the terminal groove 70 of matrix 36, can the first terminal 16 and second terminals 18 be installed jointly with the terminal groove 50 of lid 34, wherein the first terminal 16 is relatively arranged in the terminal groove 50,70 away from shield blade 22, and its end that relies on circuit board (not shown) extends, and to protrude from matrix 36 outer and borrowing the winding of surface adhering mode on circuit board to the direction bending back away from base 36.Second terminal 18 then is installed in the terminal groove 50,70 of contiguous shield blade 22 relatively, and it relies on circuit board (not shown) end and passes circuit board with perforation means and weld on it.In addition, the two ends face of matrix 36 is provided with the circular hole 72 with the installing hole 54 corresponding and recessed matrix 36 suitable degree of depth of lid 34, and matrix 36 is provided with the periphery 74 that slightly protrudes away from the root edge position of second faying face 64.

Simultaneously, cover body 14 comprises that two relatively extend with lid and overlay on lid 34 and matrix 36 lengthwises to the side cover 76 of side surface and be set in the frame mouth 80 of lid 34 docking sections 42 peripheries, wherein side cover 76 extends equivalent length from the 42 liang of side direction in the docking section of lid 34 away from interface 38 directions, its extending end appropriate location is provided with several fixing pin 94, in addition, cover body 14 frame mouth both end sides respectively are provided with square hole 88, and respectively convex with the fixing hook 86 of suitable bending on these square hole 88 two opposite sides edge.Guide pillar 20 is oval column, and the one end is provided with the termination 90 of the suitable lead angle of tool, and at the square baffle plate 92 that is provided with near the end.

When the lid 34 of insulation shell 12 is docking together with matrix 36, can with second faying face 64 of lid 34 first faying faces 40 and matrix 36 and on corresponding site aim at against, and shield blade 22 clamping connections are installed in slit 52 and the elongate slot 66, cross-talk takes place with 16,18 of first and second terminals that prevent arranged in high density.Then, cover body 14 is overlayed on the outer peripheral edges of insulation shell 12, the frame mouth 80 of cover body 14 will be socketed in outside the microscler protuberance 48 of lid 34 this moment, and its both sides cover 76 abuts in insulation shell 12 along the both sides of short transverse and stretch into the bottom side periphery 74 of matrix 36 and support and end, and the fixing pin 94 on the side cover 76 extending end limits will pass the periphery 74 of matrix 36 and protrudingly be exposed on insulation shell 12 another sides and further electrically be bonded on the circuit board, to prevent the interference of external noise.Then pass the circular hole 72 of the installing hole 54 of square hole 88, insulation shell 12 lids 34 of cover body 14 and matrix 36 as for guide pillar 20 away from the other end of termination 90 successively and this three part is tightly fixed together (as shown in Figure 2), wherein the baffle plate 92 of guide pillar 20 is installed in the square hole 88 of cover body 14, and colludes mutually with the fixing hook 86 of square hole and to hold and reach electric connection.In addition, be installed in the slit 56 of insulation shell 12 lids 34 and part is exposed shield blade 22 beyond the lid 34 colludes arm 32, will with near cover body 14 Elastic Contact and connect (as Fig. 1 and shown in Figure 3) slit 56 so that shield blade 22, cover body 14 and guide pillar 20 further electrically conduct.

Utilize the double-decker design of insulation shell 12 lids 34 and matrix 36, make insulating body 12 when ejection formation.But separated into two parts carries out, and has reduced the height of each mould, and help shooting material even distribution and evenly cooling in mould make the insulating body after the moulding have good strength characteristics.When it is applied in the high density of terminals connector, can reduces the structural strength reduction that causes the terminal cell wall because of the residual internal stress of forming process, thereby improve the reliability of electric connector.In addition, guide pillar 20 is before electric connector 10 and the contact of corresponding another electric connector (not shown), can be earlier with another electric connector on earthing device contact and the unnecessary electric charge on shield blade and the cover body bled off, to guarantee that terminal on the utility model electric connector is not subjected to the influence of unnecessary electric charge, this guide pillar 20 also can produce the effect that guiding connects in addition.The conducting terminal of electric connector 10 adopts surface engagement and two kinds of junctures of piercing welding respectively and circuit board is connected with group and be engaged on the diverse location respectively on the circuit board, can improve the density of terminal on circuit board whereby as far as possible and lower the joint degree of difficulty, engage and the conduction quality so as to improving.

Claims (10)

1. electric connector, it electrically is bonded on the circuit board, with with dock electronic component and produce the telecommunication conducting, comprise: insulating body, and some terminals that are installed in the insulating body, it is characterized in that insulating body is provided with two insulated part lid and the matrixes that can make respectively that are fitted to each other at least, be provided with the mutual corresponding terminal groove that is provided with and connects this part respectively in this lid and the matrix, electric connector also comprises guide pillar, the circular hole that this guide pillar passes the installing hole of lid and matrix respectively is with lid and matrix is affixed is integral, in addition, the interior common installation of the corresponding elongate slot of insulating body lid and matrix can prevent the shield blade of cross-talk between terminal.

2. electric connector as claimed in claim 1 is characterized in that, convexes with the docking section of elongation on the insulating body lid, and it has groove in just, is provided with microscler protuberance in this groove.

3. electric connector as claimed in claim 2 is characterized in that the both sides of insulating body lid are provided with installing hole, and the both sides of the close installing hole in docking section are provided with two slits that run through.

4. electric connector as claimed in claim 3 is characterized in that the insulating body matrix is connected to lid, respectively is concaved with mutual corresponding elongate slot on matrix and the side surface that lid connects, and is provided with several blocks in groove.

5. electric connector as claimed in claim 4 is characterized in that, the both ends of the surface of insulating body matrix are provided with and the corresponding circular hole of the installing hole of lid.

6. electric connector as claimed in claim 5 is characterized in that, electric connector guide pillar one end is provided with termination and square baffle plate.

7. electric connector as claimed in claim 6, it is characterized in that shield blade is provided with several grooves, and respectively be provided with two in the two opposite sides edge and collude arm, these apical grafting grooves can correspondingly support on the block that ends in matrix and lid, then suitably expose slit place in the lid docking section as for colluding arm.

8. electric connector as claimed in claim 7 is characterized in that electric connector also comprises cover body, its to small part lining on insulation shell, and its two ends be provided with can by guide pillar by and securing square hole.

9. electric connector as claimed in claim 8 is characterized in that, shield blade both sides tool flexible two collude arm protruding expose slit outer after can with the cover body butt.

10. electric connector as claimed in claim 9 is characterized in that, the lid and the terminal in the matrix that are installed in insulation shell join with surface engagement mode and perforation juncture and circuit board respectively.

Images