CN2247882Y

CN2247882Y - High Density Electrical 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

A high density electrical connector includes a dielectric body having a first surface and a second surface; the metal shielding shell is fixedly arranged on the first surface of the insulating body and is provided with a flat plate part, a strip-shaped frame extending from the flat plate part and a plurality of conductive terminals, the electric connector comprises a positioning auxiliary device with a plurality of inclined embedding grooves for fixing the terminals, the terminals are assembled on the insulating body after being fixed, a positioning containing chamber and an inclined terminal containing hole are arranged on the insulating body of the electric connector, the terminals and the positioning auxiliary device which are positioned into a whole can be contained into a whole, and the inserting ends of the terminals are protruded out of the insulating 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 high-density electrical connector, characterized in that it includes:

An insulating body, which has a first surface and a second surface, a positioning chamber is provided in the center, and a plurality of terminal receiving holes are provided on the first surface corresponding to the positioning chamber;

A metal shielding shell, which is fixed on the first surface of the insulating body, has a flat plate part and a strip-shaped frame integrally extended from the flat plate part, and the strip-shaped frame sets the terminal receiving hole frame of the aforementioned insulating body inside ;

A positioning auxiliary device, which is a plate body, which can be fitly accommodated on the positioning chamber, and at least one row of inlaid grooves is arranged on it;

A plurality of conductive terminals are accommodated on the above-mentioned inclined slot, and their plug-in ends pass through the terminal receiving hole of the insulating body, and the front end of each conductive terminal protrudes out of the receiving hole into the metal shielding shell outside the first surface of the insulating body ; The positioning auxiliary device is used for positioning the conductive terminal, and is integrated with the positioning chamber of the insulating body.

2. The high-density electrical connector as claimed in claim 1, characterized in that, the positioning auxiliary device is generally a flat rectangular body, and several corresponding oblique inlay grooves are arranged on the upper and lower sides of the long side, and the inlay grooves will Terminal positioning.

3. The high-density electrical connector according to claim 1 or 2, characterized in that, a locking device is provided between the positioning auxiliary device and the positioning chamber, and the locking device is attached to the flat rectangular body for positioning auxiliary Conical positioning blocks are provided on both sides of the short side of the device; a conical chute is provided at the corresponding position of the positioning chamber.

4. The high-density electrical connector according to claim 3, wherein a backstop device is provided between the terminal and the slanted slot of the positioning aid, and the backstop device is provided with a protrusion on the slanted slot. part; a concave part is provided at the corresponding position of the terminal, and the combined positioning of the terminal is limited by the cooperation of the concave and convex part in the axial direction.

5 . The high-density electrical connector as claimed in claim 4 , wherein the plurality of oblique terminal receiving holes on the first surface of the insulative housing are an 8-shaped oblique groove.

6. The high-density electrical connector as claimed in claim 5, wherein the front end of each conductive terminal is straight, a concave arc is formed on both sides of its abdomen, and a pin part is connected to the tail end of the straight part.

7. The high-density electrical connector as claimed in claim 5, characterized in that it includes a pin positioning device, which is generally an insulating plate, and a plurality of segments are provided for inserting and positioning the pins of the conductive terminals. the positioning hole.

8. The high-density electrical connector according to claim 1 or 7, characterized in that the pin positioning device has a pair of claws for fastening it into a predetermined slot of the insulating body.

9. The high-density electrical connector as claimed in claim 8, wherein there are guiding devices protruding downwards on both sides of the pin positioning device, the guiding devices are in the shape of a cylinder, and a center of the cylinder has a The guide groove penetrates horizontally but does not penetrate vertically, and an inclined guide surface is provided at the front end of the cylinder.

10. The high-density electrical connector according to claim 9, characterized in that the insulating body and the left and right ends of the flat plate portion of the metal shielding shell are provided with through butt joint holes.

11. The high-density electrical connector as claimed in claim 10, characterized in that, a buckling device is provided on both sides of the insulating body, and the pair of buckling devices are arranged on the fixing groove and the docking hole of the insulating body, and have a pair of Forked buckle feet that can be attached to the central guide groove of the aforementioned guide device.