CN2247882Y

CN2247882Y - High density electric connector

Info

Publication number: CN2247882Y
Application number: CN 95229404
Authority: CN
Inventors: 吴琨灿
Original assignee: Hon Hai Precision Industry Co Ltd
Current assignee: Hon Hai Precision Industry Co Ltd
Priority date: 1995-12-20
Filing date: 1995-12-20
Publication date: 1997-02-19
Anticipated expiration: 2005-12-20

Abstract

The utility model relates to a high density electric connector, comprising an isolation body, a metal shielding casing, a plurality of conductive terminals, and a positioning auxiliary device. The isolation body is provided with a first surface and a second surface; the metal shielding casing is fixedly arranged on the first surface of the isolation body and is provided with a flat plate part and a strip-shaped frame which extends from the flat plate part; the positioning auxiliary device is provided with a plurality of oblique inlaying grooves to fix the terminals; after the terminals are fixed, the terminals are reassembled on the isolation body; the isolation body of the electric connector is provided with a positioning containing chamber and a toeing terminal containing hole; the isolation body of the electric connector can contain the terminals which are positioned into a whole and the positioning auxiliary device into a whole; the splicing ends of the terminals convexly expose outside the isolation body.

Description

High density electrical connector

The utility model relates to a kind of high density electrical connector, is meant a kind of high density deploying requirement that meets especially, is applicable to the high-density electric connector of telecommunication connection usefulness on the personal computer business machine.

The brain that is commonly used to power exports, goes into to be connected the existing D connector that uses with its peripheral equipment, the spacing arrangement density of its terminal is about 2.54mm, and this terminal is adopted as standard type widely, this kind electric connector is because of arranging density between terminal and terminal looser (or claiming that arranging density is lower), therefore relatively need to take bigger board area, the electric connector that this kind arranging density is low will be used in some and require on the high small-sized business machine of terminal deploying density, as obviously very difficult on the notebook computer.Have again, use the electric connector on the small-sized business machine with height density deploying requirement, its number of terminals is many in the general type of area identical internal ratio, therefore, correspondingly, will produce very big interfering edge for the combination hole of this terminal of electric connector insulating body that cooperates with it, in view of the wall size of this terminal hole very thin, can directly destroy wall in the assembling process, cause substandard products.The method that solves not is to dwindle terminal or add the macroscopic void wall thickness, and the former can be infeasible because reduced contact area between the butt joint terminal; The latter can be not suitable for being used in the personal computer business machine because of the area that strengthens electric connector.These shortcomings have to be solved.

The purpose of this utility model, be to provide a kind of high density electrical connector, it satisfies the high requirement of terminal deploying density, be applicable to the electric connector of small-sized business machine, during assembling, its terminal is assembled on the electric connector insulating body after fixing with a positioning auxiliary device in advance again, can be affixed with the electric connector insulating body effectively, can not cause the insulator structure that cooperates with it to damage.

The purpose of this utility model is such realization, and a kind of high density electrical connector promptly is provided, and it comprises: an insulating body, it has first surface and second surface, its central authorities are provided with a location room, and locate the room place at first surface corresponding to this, are provided with the several terminals accepting hole; One metal covers shell, is fixedly arranged on the insulating body first surface, and it has a flat part and reaches by the extended bar shaped frame of this flat part one, in this bar shaped frame is located at this terminal accommodation holes frame of aforementioned dielectric body; One positioning auxiliary device, it is essentially a plate body, can be located on this location room identically, which is provided with at least one row's inserting slot; Several conducting terminals, be contained in aforementioned should the inclination inserting slot on, its inserted terminal runs through this terminal accommodation holes of insulating body, covers in the shell and its front end of each conducting terminal leans out the metal of accepting hole to the insulating body first surface; This positioning auxiliary device is this conducting terminal location, and is combined as a whole with insulating body location room.

The utility model high density electrical connector provides a terminal position servicing unit, this terminal is positioned this servicing unit earlier, again this servicing unit is assembled on the electric connector insulating body, this positioning auxiliary device is substantially a prolate square body, in growing the oblique inserting slot that the limit upper and lower surface is provided with several correspondences, this inserting slot of mat is with this terminal position.

Cooperate above-mentioned positioning auxiliary device, the insulating body of this electric connector is provided with location room and an oblique terminal accommodation holes, can will orientate this terminal and the positioning auxiliary device of one as, effectively is placed in one and makes this that terminal inserted terminal is protruding is exposed on the insulating body.

Between the utility model terminal and positioning auxiliary device inclination inserting slot, also be provided with a stopping device, this stopping device is established a protuberance substantially on this squint inserting slot; Be provided with a recess in this terminal corresponding section, this concavo-convex cooperation of mat can make that the terminal of integrated positioning is limited in the axial direction.

The utility model electric connector is provided with fastening device between this positioning auxiliary device and location room, this fastening device is provided with the taper locating piece in the both sides of the positioning auxiliary device minor face of this prolate square body; Establish the taper skewed slot in room corresponding section, location, this cooperation can more firmly be fixed on the insulating body positioning auxiliary device.

The advantage of the utility model electric connector is, its insulating body is essentially a flat board, include first surface and second surface, wherein the second surface left and right sides is arranged with electric connector device for fastening holddown groove, this structure of mat, selectively, be provided with, can select rectilinear grafting assembling or horizontal to peg graft and assemble with rectilinear or the grafting of horizontal ground with the button pin of device for fastening.

Below in conjunction with accompanying drawing, embodiment of the present utility model is described, wherein:

Fig. 1 is the three-dimensional exploded view of the utility model electric connector;

Fig. 2 be the utility model positioning auxiliary device, stitch positioner not with the exploded view of the device for fastening snapping of insulating body;

Fig. 3 is the perspective view of the utility model electric connector;

Fig. 4 is the amplification stereogram that the utility model connector terminals is not cut off with strip;

The stereogram that Fig. 5 is looked by second surface for the utility model electric connector insulating body.

See also Fig. 1 earlier, it is the three-dimensional exploded view of the utility model electric connector, this connector comprises substantially as seen from the figure: an insulating body 1, a metal cover shell 2, several conducting terminals 3, a stitch positioner 4 and guiding device 5, and member such as a device for fastening 6, positioning auxiliary device 7, wherein this insulating body 1 is essentially a plate body, have first surface 10 and be positioned at the plate body front surface, its two ends, left and right sides are provided with butt hole 101,102, be used for fixing this device for fastening 6, and provide butt coupling for electric connector; In addition, tool one second surface 11 on the body rear surface, its two ends, left and right sides are arranged with holddown groove 110, are used to this device for fastening 6 that the benchmark location is provided, and it is to be noted, because the table top that the not default level of this two ends, second surface 11 left and right sides holddown groove 110 is protruded, therefore can not limit the pin type shape of device for fastening 6 button pin, in other words, the design of this holddown groove indent 110 of mat, when the button pin of assembly device for fastening 6, can select rectilinear grafting assembling or horizontal to peg graft and assemble.Have again, the terminal accommodation holes 12 that is provided with two several oblique 8 word shapes of row is run through in first surface 10 central authorities, second surface 11 is corresponding to this two rows terminal accommodation holes 12, be provided with indent location room 111, each row's terminal accommodation holes 12 frame is lived, and please again referring to Fig. 5, its angle from second surface 11 is looked, this terminal accommodation holes 12 and location room 111 are used for providing the fastening assembling to these several conducting terminals 3, and its assembling situation illustrates when describing conducting terminal 3 later in the lump.In addition, two ends, room 111 left and right sides, location are provided with taper skewed slot 112 (it is the part of positioner) and are used for this positioning auxiliary device 7 basis on location.

This metal covers shell 2 to be processed into by a metal plate, is made of dull and stereotyped 20 and one a bar shaped frame 21, and butt hole 101,102 that wherein should the corresponding insulating body 1 in flat board 20 two ends is provided with bores a hole 201, and its effect is identical with this butt hole 101,102; And this bar shaped frame 21 is located at terminal accommodation holes 12 frames of insulating body 1 central authorities in its scope, and it provides shielding function to insulating body first surface 10 1 sides jointly with dull and stereotyped 20.

Several conducting terminals 3, in Fig. 1, only express wherein two for simplicity, because the terminal of expression is very little in proportion among the figure, please cooperate Fig. 4, the conducting terminal 3 of this amplification is processed into through progressive press tool by the plate-shape metal strip, these terminal 3 tail ends also connect a strip 35 as shown in the figure, can excise from connector after these strip 35 assemblings finish.See also Fig. 4, shown in Figure 5, these conducting terminal 3 its front ends are flat part 30, the belly both sides form concave arc 301, and be provided with a recess 302 (a stopping device part) in these concave arc 301 back segment straight portion rear ends, tail end is for being connected stitch portion 31, be used to be plugged into stitch positioner 4, consult positioning auxiliary device 7 again, it is two prolate square bodies substantially in the present embodiment, each rectangle body is provided with the oblique inserting slot 70 of several correspondences in long limit upper and lower surface, and these inserting slot 70 nearly centre are provided with a protuberance 701 (stopping device another part), can engage with aforementioned this terminal recess 302, use and limit this terminal axial displacement, when assembling like this, this terminal 3 is assembled in this oblique inserting slot 70 earlier, this terminal 3 that will be assembled into one again is assembled on the terminal accommodation holes 12 of insulating body 1 with positioning auxiliary device 7 (as shown in Figure 4), during assembling, these oblique 8 font terminal accommodation holes 12 are aimed on these terminal 3 slightly inclined ground, making its flat part 30 lean out the metal of accepting hole 12 to insulating body 1 first surface 10 covers in the bar shaped frame 21 of shell 2, behind the assembling location, the positioning auxiliary device 7 of this prolate square body just can be located room 111 combinations with this, and, the mat fastening can be combined into one with oblique 8 font accepting holes 12 in these oblique 8 font terminal accommodation holes 12; And the set taper locating piece 702 (this positioner another part) in positioning auxiliary device 7 both sides of prolate square body, chimeric with the aforementioned taper skewed slot 112 of locating room 111 left and right sides that is somebody's turn to do, make positioning auxiliary device 7 effective positioning and fixing in insulating body 1.

As shown in Figure 1, this stitch positioner 4 is one by the made plate body of insulating material, these plate body central authorities have several location holes 40, be respectively applied for the stitch portion 31 of accommodating aforementioned this conducting terminal 3 in wherein, its two ends are provided with button pawl 41, and this button pawl 41 front ends are provided with hook portion and can fasten with the draw-in groove that this insulating body 1 is preset.In addition, the plate body down either side is provided with a guiding device 5, this guiding device is essentially the cylinder of a circle, these cylinder central authorities have a lateral direction penetrating and the non-through guide groove 50 of vertical direction, be provided with inclined guide face 51 in this cylinder front end, its guiding is also ccontaining for the button pin in the device for fastening 6, so that this button pin keeps good button to hold elasticity.This device for fastening 6 is processed into by sheet metal, it comprises a vertical panel 60, which is provided with perforation 601, and a pair of each other the fork and the horizontal back segment of leading portion downward vertically and the band bending head button pin 61, this button pin 61 as previously mentioned, be contained in during assembling in this guide groove 50, stretch in outside the guide groove 50 and two button pin 61 are slightly outer, so that the electric connector of utility model is snapped onto on the printed circuit board (PCB).This device for fastening 6 is had rivet 80 combinations of internal thread hole by a pair of centre, be exactly, when aforementioned insulating body 1, metal cover shell 2 and device for fastening 6 assemblings, this rivet 80 runs through the pairing butt hole 101,102,201 and 601 of above-mentioned member, and be one with this member riveted, and the internal thread hole on this rivet 80 plays fixation when the utility model electric connector and butt connector coupling.

The combination of above-mentioned the utility model bulking block, as shown in Figures 2 and 3, earlier this metal is covered first surface 10 windings of shell 2 and insulating body 1, again this conducting terminal 3 is plugged one by one in this oblique inserting slot 70 of the positioning auxiliary device 7 that is fixed in prolate square body (as shown in Figure 2), again this conducting terminal 3 is tilted to be assembled in the terminal accommodation holes 12 of these oblique 8 fonts, the flat part 30 of modern this terminal 3 is stuck in first surface 10 and is arranged in the bar shaped frame 21 that metal covers shell 2; Device for fastening 6 is positioned on the left and right sides holddown groove 110 of insulating body 1, with this rivet 80 insulating body 1, metal being covered riveteds such as shell 2 and device for fastening 6 is one again.Thereafter, the location hole 40 of the stitch portion 31 of this conducting terminal 3 being aimed at assorted pin positioner 4 is inserted in, the buckleing in the guide groove 50 that pin 61 is fastened on guiding device 5 of mat device for fastening 6, and then the utility model device makes up substantially and finishes as shown in Figure 3.

In sum, the utility model electric connector is because the setting of this positioning auxiliary device, this conducting terminal is fixed in one, and combine with location room and these oblique 8 font terminal accommodation holes on the insulating body, can not damage insulating body because number of terminals, and can make the utility model device satisfy personal computer business machine high density, high-accuracy requirement, avoid the shortcoming of connector commonly used, have again, the design of the utility model insulating body second surface indent holddown groove, the grafting combining form of optionally rectilinear or horizontal is provided, has good selectivity.

Foregoing description only exemplifies out embodiment of the present utility model, does not constitute the restriction to the utility model device.And by the various changes that the utility model design is made, all should be included in the utility model claims.

Claims

1, a kind of high density electrical connector is characterized in that it comprises:

One insulating body, it has first surface and second surface, and its central authorities are provided with a location room, and locate the room place at first surface corresponding to this, are provided with the several terminals accepting hole;

One metal covers shell, is fixedly arranged on the insulating body first surface, and it has a flat part and reaches by the extended bar shaped frame of this flat part one, in this bar shaped frame is located at this terminal accommodation holes frame of aforementioned dielectric body;

One positioning auxiliary device, it is a plate body, can be located on this location room identically, which is provided with at least one row's inserting slot;

Several conducting terminals, be contained in aforementioned should the inclination inserting slot on, its inserted terminal runs through this terminal accommodation holes of insulating body, covers in the shell and its front end of each conducting terminal leans out the metal of accepting hole to the insulating body first surface; This positioning auxiliary device is this conducting terminal location, and is combined as a whole with insulating body location room.

2, high density electrical connector as claimed in claim 1 is characterized in that, this positioning auxiliary device is roughly a prolate square body, and upper and lower surface is provided with several corresponding oblique inserting slots in long limit, and this inserting slot is with terminal position.

3, high density electrical connector as claimed in claim 1 or 2 is characterized in that, also is provided with fastening device between this positioning auxiliary device and location room, and this fastening device is provided with the taper locating piece in the both sides of this prolate square body positioning auxiliary device minor face; Establish the taper skewed slot in room corresponding section, location.

4, high density electrical connector as claimed in claim 3 is characterized in that, also is provided with a stopping device between this terminal and positioning auxiliary device inclination inserting slot, and this stopping device is established a protuberance on this oblique inserting slot; Be provided with a recess in this terminal corresponding section, this terminal of integrated positioning is spacing by the cooperation of jog in the axial direction.

5, high density electrical connector as claimed in claim 4 is characterized in that, several oblique terminal accommodation holes are one 8 font skewed slots on this insulating body first surface.

6, high density electrical connector as claimed in claim 5 is characterized in that, each conducting terminal front end is a flat, and its belly both sides form a concave arc, is connected a stitch portion in flat part tail end.

7, high density electrical connector as claimed in claim 5 is characterized in that, it comprises a stitch positioner, and it is dull and stereotyped that it is substantially an insulation, and its center section part is provided with several and inserts and be positioned wherein location hole for conducting terminal stitch portions.

As claim 1 or 7 described high density electrical connectors, it is characterized in that 8, this stitch positioner has a pair of being used for it is buckled in button pawl in the default draw-in groove of insulating body.

9, high density electrical connector as claimed in claim 8, it is characterized in that, these stitch positioner both sides have the guiding device that protrudes out downwards, this guiding device is cylindric, have a lateral direction penetrating and the non-through guide groove of vertical direction in these cylinder central authorities, and be provided with the inclined guide face in this cylinder front end.

10, high density electrical connector as claimed in claim 9 is characterized in that, this insulating body and metal cover shell flat part about end be provided with the butt hole that runs through.

11, high density electrical connector as claimed in claim 10, it is characterized in that, these insulating body both sides also are provided with a device for fastening, and this is located on insulating body holddown groove and the butt hole device for fastening, have the button pin in the central guide groove a pair of fork, that can be secured to aforementioned guiding device.