CN2697857Y - Electric connector - Google Patents

Abstract

The utility model discloses an electric connector, which comprises an insulating body, a plurality of conductive terminals which are accommodated in the insulating body, a positioning element and a fastener member. The insulating body is provided with a matching surface which cooperates with a butt connector, a rear end face which is parallel and opposite to the matching surface and a butt face which is formed by the extension between the matching surface and the rear end face; a first supporting part which is engaged with a printed circuit board is formed on the extension of lower part of the butt face next to the matching surface; a second supporting part which can be engaged with the printed circuit board is formed on the rear end face; the first supporting part and the second supporting part have a coplanar bottom. The electric connector can be installed on a circuit board reliably by the structure of the supporting parts.

Description

Electric connector

[technical field]

The utility model relates to a kind of electric connector, refers in particular to electric connector a kind of and the reliable electric connection of circuit board.

[background technology]

The electric connector that has a kind of Serial of meeting ATA technical standard in the prior art, this electric connector can provide the electric current of different magnitudes of voltage and the transmission of high-speed electrical signals simultaneously, is specially adapted to the electric connection between mini-hard disk and the circuit board.Usually, this electric connector be positioned vertical on circuit board, it has insulating body and is housed in plurality of conductive terminals in this insulating body.Be provided with an interface on the top of insulating body, be provided with joint face parallel with above-mentioned interface and the proximate circuitry plate in the bottom of insulating body.This interface be in order to mini-hard disk on butt connector connect and be provided with signal slot and power supply slot.Each conducting terminal has docking section and the connecting portion relative with the docking section.In conducting terminal was assembled in insulating body, its connecting portion extended joint face and is welded on the circuit board, thereby its docking section is contained in signal slot and the power supply slot in order to electrically connect the transmission power supply or the signal of telecommunication with butt connector.

Since above-mentioned electric connector be positioned vertical on circuit board, so electronic installation such as mini-hard disk must the edge can match with electric connector with the perpendicular direction of circuit board bearing of trend.Obviously for requiring light, compact portable set, as notebook computer, palmtop computer (PDA), owing to its vertical height-limited system, just the type connector is inapplicable.

No. 2003/0096517 case of U.S. Patent Publication has disclosed a kind of Serial ATA connector that is installed on the printed circuit board (PCB) (PCB), is mounted with some perpendicular type conducting terminals in its insulating body.Extended to form mating surface from the front end edge of this electric connector perpendicular to the direction of circuit board, so this electric connector is to match along the direction that is parallel to circuit board with butt connector, thereby the vertical assembling that effectively reduces circuit board highly.Yet because the insulating body front end of electric connector is the front side edge of extending circuit board, electric connector and butt connector butt joint or when separating, there is the possibility around end face rotation thereafter inevitably in its insulating body, thereby influences electric connection and the transmission of the signal between butt connector and the circuit board between terminal and the circuit board.In addition, when this electric connector be be arranged on desktop or notebook personal computer outside cable connector combination when matching, this type of problem is even more serious.

Therefore, industry presses for a kind of improved electric connector of design, and it can be transferred to signal on the circuit board to overcome the shortcoming of above-mentioned prior art from butt connector reliably.

[utility model content]

The purpose of this utility model is to provide a kind of electric connector, and it is provided with and can makes electric connector reliably be installed in support sector on the circuit board.

For reaching above-mentioned purpose, the utility model adopts following technical scheme: a kind of electric connector includes insulating body, is housed in plurality of conductive terminals, keeper and snapping member in the insulating body.Insulating body is provided with the mating surface, the parallel relative rear end face with this mating surface that are used for butt connector matches and reaches the interface that extends to form between mating surface and rear end face.First support sector that engages with printed circuit board (PCB) that contiguous mating surface place extends to form below interface, and be formed at second support sector that can engage with printed circuit board (PCB) on the above-mentioned rear end face, the bottom surface coplane of first support sector and second support sector, snapping member be assembled in second support sector in order to circuit board on corresponding perforate match.

Compare with prior art, the utility model electric connector has following beneficial effect: be placed in the circuit board upper surface by first, second support sector, make electric connector be able to remarkable increase with the area that is connected between the circuit board, the front end of insulating body obtains enough holding powers, thereby reduced possibility, guaranteed power supply and signal of telecommunication transmission between butt connector and the circuit board with respect to the rear end face rotation of insulating body.

[description of drawings]

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

Fig. 2 is the three-dimensional exploded view of another angle of electric connector shown in Figure 1.

Fig. 3 is the three-dimensional combination figure of electric connector shown in Figure 1.

Fig. 4 is the three-dimensional combination figure of another angle of electric connector shown in Figure 3.

Fig. 5 is the profile along Fig. 3 line A-A direction.

[specific embodiment]

See also Fig. 1 and Fig. 2, electric connector 1 of the present utility model is mounted in circuit board 100 edge of (as shown in Figure 5), and it comprises insulating body 2, plurality of conductive terminals 3, keeper 4 and pair of catches member 5.

Please also refer to Fig. 5, insulating body 2 roughly is flat lengthwise configuration, and it includes mating surface 21, the rear end face 22 relative with mating surface 21 and the interface 23 that extends to form between mating surface 21 and rear end face 22.Above-mentioned mating surface 21 is that the longitudinally along insulating body 2 extends to form in the front end of insulating body 2, and rear end face 22 is relative with mating surface 21 and is formed at the rear end of insulating body 2 that interface 23 is the bottoms that are formed at insulating body 2.On the two lateral walls 24 of insulating body 2, be formed with a pair of guidance part 240 that extends beyond above-mentioned mating surface 21, go in order to the group of guiding butt connector (not icon).On the mating surface 21 of insulating body 2, be provided with L type signal slot 25 and L type power supply slot 26 side by side.Stretch out from above-mentioned rear end face 22 and to be formed with first partition wall 221, second partition wall 222 and the 3rd partition wall 223.Between first partition wall 221 and the 3rd partition wall 223, extended to form and power supply slot 26 corresponding some power supply terminal accepting grooves 260 to power supply slot 26 from rear end face 22.Some signal terminal accepting grooves 250 have been extended to form from rear end face 22 to above-mentioned signal slot 25 223 of second partition wall 222 and the 3rd partition walls.

Contiguous mating surface 21 places are formed with first support sector 29 on interface 23.The pair of columns 290 of extending each interval from the bottom of first support sector 29 downwards is in order to insert corresponding perforate on the circuit board 100.Be provided with some flutings 292 in first support sector 29 side by side to alleviate the weight of insulating body 2, also can save material simultaneously.Also be provided with the groove of economical with materials on the partition wall that signal slot 25 and power supply slot are 26 (not label).Insulating body 2 also includes second support sector 28, and it has respectively and above-mentioned first partition wall 221 and second partition wall, 222 integrated first projection 280 and second projections 282.The bottom surface of second support sector 28 is concordant with the bottom surface of second support sector 29.First, second projection 280,282 is provided with opening 27 respect to one another, and is formed with the slit 284 that can accommodate corresponding snapping member 5 respectively.

Continuous see also Fig. 1, Fig. 2 and Fig. 5, conducting terminal 3 includes the identical some power supply terminal 3b of structure and some signal terminal 3a.Each conducting terminal 3 has docking section 31, the vertical connecting portion 33 that a horizontal-extending forms, and reaches the holding parts 32 that two ends are connected with docking section 31 and connecting portion 33 respectively.Be formed with a bending butt end 310 on the front end of docking section 31, on the relative dual-side of holding parts 32 and connecting portion 33, be respectively equipped with some burs 320,330.

Keeper 4 is to be rectangular configuration, and it has an elongate body 40.On the relative dual-side of this main body 40, form a pair of projection 42, be provided with the connecting portion 33 of an exhausting hole 43, offer the groove 41 that two rows are parallel to each other at close through hole 43 places of main body 40 in order to accommodate above-mentioned conducting terminal 3 along main body 40.The front side of main body 40 is formed with scalariform portion 44.

Snapping member 5 is to be formed by the metal punching out, the crossbeam 53 that it includes a flat contact site 51, a pair of elastic lock portion 52 and is connected with contact site 51, latch part 52 respectively, wherein on contact site 51 relative dual-sides, be formed with some hangnails 512, punch forming has shell fragment 510 on the contact site 51, and each latch part 52 is to extend and be formed with the grab 520 of projection outwardly towards circuit board 100 directions.

During assembling, see also Fig. 1 to Fig. 5, above-mentioned conducting terminal 3 is housed in respectively in signal and the power supply terminal accepting groove 250,260, its butt end 310 is protruding be exposed in signal and the power supply slot 25,26 with butt connector in respective terminal electrically connect.Bur 320 and the signal and power supply terminal accepting groove 250,260 interference engagement of holding parts 32 are in order to be retained on terminal 3 in the insulating body 2.

Projection 42 on the keeper 4 is housed in respectively in the opening 27 of insulating body 2, thereby keeper 4 is assembled to insulating body 2.The scalariform portion 44 of keeper 4 is the rear end face 22 and interface 23 of part coated insulation body 2 respectively.The connecting portion 33 of conducting terminal 3 passes the through hole 43 of keeper 4 respectively, and its bur 330 forms interference engagement with through hole 43.

Snapping member 5 is assembled to respectively in first, second projection 280,282 of insulating body 2, the shell fragment 510 of its hangnail 512 and contact site 51 respectively with above-mentioned slit 284 interference engagement, crossbeam 53 is to be housed in the slit 284.The latch part 52 of snapping member 5 stretches out outside first, second projection 280,282 to match with corresponding aperture on the circuit board 100.

When electric connector 1 is assembled on the circuit board 100, its cylinder 290 and snapping member 5 insert respectively on the circuit board 100 in the corresponding perforate in order to electric connector 1 strong fix on circuit board 100.Above-mentioned first, second support sector 29,28 is placed in the upper surface of circuit board 100 respectively, make electric connector 1 be able to remarkable increase with the area that is connected between the circuit board 100, the front end of insulating body 2 obtains enough holding powers, thereby reduced the possibility of rotating, guaranteed power supply and signal of telecommunication transmission between butt connector and the circuit board 100 relative to rear end face at insulating body 2.

Claims (10)

1. electric connector, be used to be installed on the printed circuit board (PCB) and dock with butt connector, it comprises insulating body, is housed in plurality of conductive terminals, snapping member in the insulating body, wherein insulating body has mating surface, reaches the interface that extends to form with the parallel relative rear end face of this mating surface between mating surface and rear end face, it is characterized in that: insulating body also is included in first support sector that engages with printed circuit board (PCB) that contiguous mating surface place, interface below extends to form, and is formed at second support sector that can engage with printed circuit board (PCB) on the above-mentioned rear end face; Snapping member be assembled in second support sector in order to circuit board on corresponding perforate match.

2. electric connector as claimed in claim 1 is characterized in that: first, second support sector respectively has and the circuit board opposed bottom surface, and two bottom surfaces are in the same plane.

3. electric connector as claimed in claim 2 is characterized in that: first support sector has the pair of columns that extends to form from its bottom surface downwards.

4. electric connector as claimed in claim 1 is characterized in that: the rear end face of the body that insulate has certainly extended to form first, second partition wall, and above-mentioned second support sector is provided with and integrated first, second projection of corresponding first, second partition wall.

5. electric connector as claimed in claim 4 is characterized in that: be provided with a slit in second support sector, be formed with the latch part that is housed in the contact site in the above-mentioned slit and is used for matching with circuit board on the above-mentioned snapping member.

6. electric connector as claimed in claim 4 is characterized in that: this electric connector also comprises the keeper that is assembled between above-mentioned first, second partition wall.

7. electric connector as claimed in claim 6 is characterized in that: respectively be provided with an opening on first, second projection of second support sector, be formed with a pair of projection with these opening corresponding matching on the above-mentioned keeper.

8. electric connector as claimed in claim 7 is characterized in that: offer some through holes on keeper, above-mentioned conducting terminal has the connecting portion that stretches out above-mentioned corresponding through hole.

9. electric connector as claimed in claim 1 is characterized in that: be provided with signal slot and power supply slot on the mating surface of insulating body, above-mentioned conducting terminal includes signal terminal and the power supply terminal that is housed in respectively in respective signal slot and the power supply slot.

10. electric connector as claimed in claim 9 is characterized in that: signal slot and power supply slot are to be the L type.

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