CN2443506Y

CN2443506Y - Combined electric connector

Info

Publication number: CN2443506Y
Application number: CN00217882U
Authority: CN
Inventors: 朱自强; 尧中华; 牟之权
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: 2000-06-02
Filing date: 2000-06-02
Publication date: 2001-08-15
Anticipated expiration: 2010-06-02

Abstract

The utility model relates to a combined electric connector, which can be assembled on a printed circuit board to connect with an abutting electric connector. The utility model mainly comprises an insulating body, a screening device which is composed of a first shell, a second shell and a third shell, etc., wherein, a holding device is arranged under the second shell, and the holding device at least comprises a first holding foot and a second holding foot. Each holding foot at least comprises two buckled claws, each buckled claw is provided with a relative outwards raised holding part, wherein, the holding part of the first holding foot and the holding part of the second holding foot are in drop arrangement in height direction. So the utility model can be suitable for two circuit boards with different thickness.

Description

Combined electric connector

The relevant a kind of combined electric connector of the utility model refers to the stack combined electric connector on a kind of circuit board that can firmly be assemblied in two kinds of different-thickness especially.

Electronic components such as common electric connector all are to be located on the circuit board with the welding manner group, for make its before welding and welding process can remain on good fixing location on the circuit board, electric connector is standing to be put holding unit and is used for the locking that matches of location hole with circuit board, relevant design sees also cases such as No. the 85212192nd, 86207969, TaiWan, China patent application, as shown in Figure 6, existing electric connector is provided with a connector body 6, its front is provided with the terminal Plug Division, is provided with shielding casing 61 to prevent electromagnetic interference in connector body 6 peripheries.Shielding casing 61 60 is arranged with fixing pin 62 in two of bottom surface that itself and circuit board 7 join in abutting connection with the side, can plant and be welded on the circuit board 7 to reach affixed purpose.But, the fixing pin of holding unit can only be applicable to a kind of circuit board of thickness of slab in the existing structure, if will be used for the circuit board of another kind of thickness of slab, then need make the holding unit of another kind of specification, need the otherwise designed mold developing, cause cost to increase, and cause the increase of part and product quantity, unfavorable in production management.

In addition, United States Patent (USP) the 5th, 664, No. 965 case has disclosed a kind of holding unit that makes electric connector be applicable to the circuit board of two kinds of different-thickness, as shown in Figure 7, this holding unit 8 is provided with first elastic claw 81 and second elastic claw 82, at two elastic claws 81, the arc side 83 in 82 the outside, be respectively equipped with first protuberance 85 and second protuberance 86 on 84, above-mentioned first protuberance 85 and second protuberance 86 space certain distance on short transverse, wherein first protuberance 85 can be fastened on the first circuit board 9, second protuberance 86 then can be fastened on the second circuit board 9 of another kind of thickness of slab ' on.But, when first protuberance 85 of first elastic claw 81 is fastened on the first circuit board 9, the arc side 84 in second elastic claw, 82 outsides only depends on friction between the two inconsistent with the mating holes 91 of circuit board 9, make the both sides retain strength inequality of this holding unit 8, and when running into big external force, arc side 84 can produce the degree of freedom of above-below direction by relative circuit board 9, thereby causes the fixing instability of holding unit, and makes this electric connector and circuit board 9 that its locating effect take place to become flexible and influence.In like manner, second circuit board 9 ' when going up, the unsettled phenomenon of unbalance stress and fixing also can appear in this holding unit 8, and influences the secure fit between electric connector and circuit board when second teat 86 is fastened on.

The purpose of this utility model is to provide a kind of combined electric connector, it can firmly be assemblied on the circuit board of at least two kinds of different thicknesss of slab, and overcome existing structure fixing instability, easily generation is become flexible and is caused the not good shortcoming of locating effect, reaches the purpose of improving product assembling effect.

The purpose of this utility model is achieved in that combined electric connector mainly comprises insulating body, masking device, holding unit and conducting terminal, wherein insulating body comprises that main body reaches main body down, plurality of conductive terminals is housed in main body and reaches in the set terminal containing slot of following main body, periphery at insulating body is provided with masking device, it comprises first housing, second housing and the 3rd housing, wherein the last main body of insulating body is housed in first housing, the following main body of insulating body then is housed in second housing, the 3rd housing and first housing and second housing are combined into one mutually, and on the side of second housing, be provided with the holding unit of forming by some fixing pin, it is characterized in that, this holding unit includes the first fixing pin and the second fixing pin at least, each fixing pin includes two button pawls at least, on every button pawl, be equipped with relative holding parts towards outside projection, and two holding parts height on two button pawls of same fixing pin are identical, and wherein the holding parts on the button pawl of the holding parts on the button pawl of the first fixing pin and the second fixing pin is the drop setting on short transverse.

In the above-mentioned feature structure, it is identical and be and be symmetrical arranged to be positioned at holding parts height on the same fixing pin, make all stressed even stability of assembling that has of each fixing pin by this set, be positioned at the deploying order and another the deploying reversed in order to the fixing pin that is positioned on the another side of a pair of fixing pin on second housing, one side simultaneously, this arrangement mode has increased the steadiness of assembling.

Compared to prior art, the utility model utilization is located at the holding unit on second housing, can overcome existing structure fixing instability, easily generation is become flexible and is caused the not good shortcoming of locating effect, and combined electric connector can firmly be assemblied on the circuit board of two kinds of different thicknesss of slab.

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

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

Fig. 2 is the cutaway view of insulating body of the present utility model and terminal combination.

Fig. 3 is the three-dimensional combination figure of the utility model combined electric connector.

Fig. 4 is the end view that the utility model combined electric connector cooperates with the circuit board of two kinds of thickness.

Fig. 5 is a upward view shown in Figure 4.

Fig. 6 is that a kind of existing electric connector is assembled in the front view on the circuit board.

Fig. 7 is that another kind of existing electric connector is assembled in the cutaway view on the circuit board.

See also Fig. 1 and Fig. 2, the utility model combined electric connector 1 comprises members such as insulating body 10, masking device 20 and plurality of conductive terminals 30,31.Wherein insulating body 10 comprises last main body 11 and the square-shaped substantially following main body 12 that is provided with a tabular foreground 110, be positioned at

main body

11 and 12 of following main bodys are provided with some separate slots 13, the rearward end that wherein goes up the end face of main body 11 is provided with two notches 112 and a groove 117, the two sides adjacent with end face respectively are provided with a projection 113 near the end face place, and are provided with a concave surface 121 with the following main body 12 of projection 113 same sides.In addition, the front surface of main body 12 protrudes first socket 114 and second socket 122 of an extension equivalent length respectively under the inside of last main body 11 reaches, wherein first socket, 114 front ends are provided with one and are used for the poroid Plug Division 116 that the square breach 115 of fool proof and several can connect with aerial lug, plurality of terminals 30 is housed in the terminal channel 118 of these 116 inside, Plug Division, and second socket 122 is lamellar, the one side is provided with several and runs through the terminal channel 123 of main body 12 down, plurality of terminals 31 is housed in the terminal channel 123, and the following main body that is positioned at below it is provided with an embedding hole 124.

Masking device 20 include be used for coated insulation body 10 last main body 11 first housing 21, be used for coated insulation body 10 following main body 12 second housing 22 and be used for the rear portion of coated insulation body 10 and mutually combine with first housing 21 and second housing 22 and to be the 3rd housing 23 of one.

First housing 21 has three continuous sides, be equipped with the fairlead 211 of outside turnover at the front opening place of each side, on the medial side face corresponding on the notch 112 and groove 117 positions of main body 11 be respectively equipped with two button holes 212 and a shell fragment 217, and projection 113 corresponding positions in its two relative side and last main body 11 are respectively equipped with combination bore 213, and be arranged with aduncate elastic arm 214 respectively at the mid portion of this two relative side, and concave surface 121 places of main body 12 are respectively equipped with a square sheet 215 that bends inwards substantially under correspondence, and these first housing, 21 front ends are positioned at the position of fairlead below and are respectively equipped with a grab 216.

Second housing 22 has four continuous sides, is equipped with aduncate elastic arm 221 on each side, in the left and right side and the front opening place of bottom surface then be equipped with the fairlead 222 of outside turnover.Wherein end face is horizontal substantially, respectively be provided with an ear 223 in the edges at two ends at its front opening place and grab 216 corresponding positions of first housing 21, portion is provided with two lugs 224 and a barb 225 again corresponding to separate slot 13 places of insulating body 10 in its back-end, and also be provided with a barb (not shown) corresponding to 124 places, embedding hole that descend main body 12 in the rearward end of bottom surface, in addition, the holding unit 220 that respectively is provided with a square hole 226 at root edge place, the rear end of left and right sides face and forms by the first fixing pin 227 and the second fixing pin 228.

Wherein, the first fixing pin 227 of holding unit 220 is provided with two button pawls 27, be equipped with relative holding parts 271 towards outside projection on it, and two holding parts 271 is highly identical; The second fixing pin 228 also is provided with two button pawls 28, also be equipped with relative holding parts 281 on it towards outside projection, and this two holding parts 281 is highly identical, wherein the holding parts 281 of the holding parts 271 of the first fixing pin 227 and the second fixing pin 228 is the drop setting in short transverse, is positioned at the deploying order of a pair of fixing pin 227,228 on second housing, 22 1 sides and another deploying reversed in order (as shown in Figure 5) to fixing pin 227,228 of another side.

The 3rd housing 23 is the side's of being sheet roughly, its top edge is provided with two cramps 232 corresponding to button hole 212 positions of first housing 21, and the downside in its left and right edges respectively is provided with a vertical tabs 233, and square hole 226 places corresponding to second housing 22 on the tabs 233 are provided with a shell fragment 234.

Continuous see also Fig. 1 and Fig. 3, first housing 21 is coated on the periphery of main body 11, and its combination bore 213 and shell fragment 217 cooperatively interact with the projection 113 and the groove 117 of last main body 11 respectively, and its side's sheet 215 then stretches into down in the concave surface 121 of main body 12; Second housing 22 inserts and is coated on the following main body 12 of insulating body 10 from the place ahead of insulating body 10, the barb 225 of its end face and lug 224 stretch into respectively in the separate slot 13 of insulating body 10, the barb of its bottom surface (not shown) then stretches into down in the embedding hole 124 (consulting Fig. 2) of main body 12, its ear 223 then fastens with the grab 216 of first housing 21, the 3rd housing 23 is coated on the rear portion of insulating body 10, and the button hole 212 of its cramp 232 and first housing 21 is interlocked, and the square hole 226 of its shell fragment 234 and second housing 22 fastens, rely on this method, constitute the complete outward appearance configuration of combined electric connector 1.

Please further consult Fig. 4 and Fig. 5, this combined electric connector 1 is assembled on the circuit board 4 by through hole 41 interferences of the holding parts 271 on the button pawl 27 of its first fixing pin 227 with circuit board 4, highly identical and be and be symmetrical arranged because of the holding parts 271 of two button pawls 27, make that this first fixing pin 227 is stressed evenly to have the stability of assembling, thereby guarantee that combined electric connector 1 is firm with the winding of circuit board 4.In addition, the holding parts 281 of the second fixing pin 228 highly is lower than holding parts 271 height of the first fixing pin 227, thus can with another thicker circuit board 5 (as shown in phantom in FIG.) secure fit.Identical fixing pin 271,281 is positioned on the not ipsilateral of combined electric connector 1 and is arranging of deploying reversed in order, by this set, can guarantee this combined electric connector 1 stability before and after it when winding.

Claims

1. combined electric connector, be assembled on the printed circuit board (PCB) to engage with abutment element, include insulating body, plurality of conductive terminals, masking device and holding unit, wherein insulating body is provided with some terminal channels that run through the insulating body front and back, the conducting terminal correspondence is arranged in the terminal channel of aforementioned dielectric body, masking device coats outside the what insulating body, it is characterized in that: the side of what masking device is provided with holding unit, it includes the first fixing pin and the second fixing pin at least, each fixing pin includes two button pawls at least, and be equipped with relative holding parts on every button pawl towards outside projection, the holding parts height that wherein is positioned on the button pawl of same fixing pin is identical, and the holding parts on the button pawl of the holding parts on the button pawl of the first fixing pin and the second fixing pin is the drop setting on short transverse.

2. combined electric connector as claimed in claim 1, it is characterized in that: insulating body comprises that main body reaches main body down, between last main body and following main body, be provided with some separate slots, go up the inside of main body and the front surface of following main body certainly and protrude first socket and second socket that extends equivalent length respectively.

3. combined electric connector as claimed in claim 2 is characterized in that: the first socket front end inside is provided with the plurality of terminals passage, and second socket is lamellar, and the one side is provided with several terminal channels that is applied in down main body.

4. combined electric connector as claimed in claim 2 is characterized in that: masking device include be used for the coated insulation body last main body first housing, be used for the coated insulation body following main body second housing and be used for the rear portion of coated insulation body and mutually combine with first housing and second housing and to be the 3rd housing of one.

5. combined electric connector as claimed in claim 4 is characterized in that: holding unit is located on the two sides of aforementioned masking device second housing.

6. as claim 1 or 5 described combined electric connectors, it is characterized in that: on the two sides of masking device, at least respectively be provided with a pair of different fixing pin, and be positioned at the deploying order and another the deploying reversed in order that is positioned at opposite side of a pair of fixing pin of a side the fixing pin.