CN201450146U - Card connector - Google Patents

Abstract

The utility model discloses a card connector, which comprises a main body, a plurality of first conducting terminals, a plurality of second conducting terminals, at least a locking plate and at least a welding piece, wherein the main body comprises at least a clamping groove, a plurality of first terminal slots and a plurality of second terminal slots, wherein the first conducting terminals are arranged in the first terminal slot, the first conducting terminals are provided with a welding foot, the second conducting terminals are arranged in the second terminal slot, and are provided with a welding portion, the locking plate is inserted in the clamping groove, the locking plate is provided with a first clamping block, the welding piece is provided with a buckling portion, two ends of the buckling portion are outwards bent and are extended with a welding piece, and the buckling portion is arranged on the clamping block of the locking plate. The card connector is buckled on the clamping block of the locking plate through a buckling portion of the welding piece, not only has convenient welding, but also has low and stable cost.

Description

Card connector

Technical field

The utility model relates to a kind of connector, relates in particular to a kind of card connector.

Background technology

The patent specification of Chinese patent application number No. 02248293.8 and No. 03247510.1 has all disclosed a kind of card connector, and two kinds of card connectors all have a body, two and are installed in earclip and some conducting terminals that is plugged on the body on the body.Described earclip is provided with the welding body, and described conducting terminal is provided with welding foot, and welding foot and welding body all are welded on the same printed circuit board (PCB).

Yet, the bottom surface of the welding body of the bottom surface of the welding foot of the conducting terminal of technique scheme and earclip is difficult to guarantee on same plane, thereby the area of welding body often is provided with greatlyyer, is welded on the printed circuit board (PCB) to guarantee the welding physical efficiency, so then can cause cost height, welding built on the sand.

The utility model content

Main purpose of the present utility model is to provide a kind of easy welding, card connector that cost is low and firm at the defective that the above-mentioned background technology exists.

For achieving the above object, card connector provided by the utility model comprises a body, some first conducting terminals, some second conducting terminals, at least one latch and at least one weldment, and body is provided with at least one fixing slot, some the first terminal slots and some second terminal slots; First conducting terminal is housed in the first terminal slot, and first conducting terminal is provided with a welding foot; Second conducting terminal is housed in second terminal slots, and second conducting terminal is provided with a weld part; Latch is plugged in the fixing slot, and latch is provided with a holding block; Weldment is provided with a snapping portion, and the two ends of snapping portion all outwards bend and are extended with a bonding pad, and snapping portion be located on the holding block of described latch.

In sum, the utility model card connector be located on the holding block of described latch by the snapping portion of weldment, thereby can adjust the position of weldment above-below direction, make the bottom surface of bonding pad of weldment and welding foot and weld part during welding easily at grade, thereby bonding pad can be arranged to the form of small size, finally not only convenient welding, and cost is low, firm.

Description of drawings

In Figure of description:

Fig. 1 is the stereogram of the utility model card connector.

Fig. 2 is the exploded view of card connector shown in Figure 1.

Fig. 3 is the stereogram of the latch of card connector shown in Figure 1.

Fig. 4 is the stereogram at another visual angle of latch shown in Figure 3.

Fig. 5 is the stereogram applicable to the interface card of the utility model card connector.

The description of reference numerals of each element is as follows among the figure:

Card connector 100 bodies 1

Body base 11 the first terminal slots 111

Second terminal slots, 112 accepting grooves 1121

Holddown groove 1122 card slots 113

Fool proof piece 114 fixed arms 12

Fixed part 121 grooves 122

Projection 123 support slots 124

Fixing slot 13 fixed blocks 14

First conducting terminal, 2 first holding parts 21

Conductive arm 22 second holding parts 23

Welding foot 24 second conducting terminals 3

Fixed strip 31 conductive parts 32

Weld part 33 latch 4

Plug portion's 41 extensions 42

Clamping part 43 is pressed card body 44

Holding section 45 holding strips 46

Limiting section 47 catch arm 48

Fixed body 49 fixed heads 491

Holding slot 492 insertion grooves 493

Holding block 494 conductive arms 495

Weldment 5 snapping portions 51

Bonding pad 52 interface cards 6

Fool proof groove 61 buckle slots 62

Embodiment

For describing technology contents of the present utility model, structural feature, the purpose of being reached and effect in detail, below exemplify embodiment now and conjunction with figs. is described in detail.

See also Fig. 1 and Fig. 2, the utility model card connector comprises a body 1, some first conducting terminals 2, some second conducting terminals 3, two latch 4 and two weldments 5.

See also Fig. 2, body 1 comprises that one is rectangular-shaped body base 11, and this body base 11 offers some the first terminal slots 111 and some second terminal slots 112.The front surface of body base 11 is recessed to form a card slot that roughly is square 113 backward, thereby continue respectively to cave in backward and form some the perforation to the accepting groove 1121 and the holddown groove 1122 of the rear surface of body base 11 in the upper wall of card slot 113 and rear wall bottom, and accepting groove 1121 and rear portion corresponding one by one with holddown groove 1122 upper-lower positions is interconnected.Accepting groove 1121 and the described the first terminal slot 111 of holddown groove 1122 common compositions.Thereby the lower wall of card slot 113 caves in backward to the front surface bottom of lower recess and body base 11 and forms described second terminal slots 112.Be connected with the fool proof piece 114 of a bulk between upper wall, lower wall and the rear wall of card slot 113 right parts.

The front surface two ends of body base 11 all are extended with a fixed arm 12 forward, fixed arm 12 has a fixed part 121 that is connected with body base 11, the upper front end of fixed part 121 offers a groove 122, the bottom of groove 122 upwards protrudes out and is formed with a square projection 123, the rear end of this projection 123 links to each other with the cell wall of groove 122. the front surface two ends that a cell wall bottom of groove 122 is recessed to form square support slot 124. body base 11 backward all behind the lateral of fixed arm 12 depression be formed with square fixing slot 13, fixing slot 13 runs through the front surface and the rear surface of body base 11. the upper and lower that the two ends, rear surface of body base 11 are positioned at fixing slot 13 fixed block 14. that all extended back

First conducting terminal 2 comprises that the upper end of rectangular tabular first holding parts, 21, the first holding parts 21 bends the conductive arm 22 that extends to form an arcuation forward; The middle part of first holding parts 21 is extended with one second holding parts 23 forward; The lower end of first holding parts 21 bends backward and has extended to form a welding foot 24.Second conducting terminal 3 comprises that one roughly is the fixed strip 31 of strip, and the upper front end of fixed strip 31 bends backward and extended to form a conductive part 32, and the front end bottom of fixed part 121 is extended with a weld part 33 forward.

See also Fig. 1, Fig. 3 and Fig. 4, latch 4 comprises that one roughly is the rectangular tabular portion that plugs 41, the upper front end that plugs portion 41 is extended with an extension 42 forward, the terminal bottom of extension 42 bends the clamping part 43 that extends to form a hook shape forward, extension 42 front end upper surfaces bend inwards and have extended to form a pressure card body 44, and this pressure card body 44 comprises a guide portion 441 and a press section 442.Guide portion 441 by extension 42 earlier inwardly back bending downwards extend and form, thereby the terminal outwards horizontal-extending of guide portion 441 forms described press section 442.Extension 42 upper surfaces with press card body 44 adjacents to bend inwards to extend to form a holding section 45 that roughly is down ' J ' shape, the terminal rear portion of holding section 45 holding strip 46 that extended back.The front end bottom of extension 42 bends inwards and extends to form a limiting section 47 that is down ' L ' shape.

The front end upper surface that plugs portion 41 earlier downwards more forward bending extended to form a catch arm 48, the front portion of this catch arm 48 be positioned at described extension 42 under and the outside of the end of limiting section 47.The inside level bending in the terminal bottom of catch arm 48 is extended with a fixed body 49, this fixed body 49 has a tabular fixed head 491, offer two square holding slot 492 that is interconnected and insertion grooves 493 in the fixed head 491, a cell wall of holding slot 492 protrudes out a square holding block 494 towards insertion groove 493 directions.The cell wall that is positioned at catch arm 48 bottoms of insertion groove 493 is extended with the lead arm 495 of two arcs towards the both sides of holding block 494.Weldment 5 comprises that one roughly is the snapping portion 51 of inverted concave, and the lower end of snapping portion 51 outwards bending is extended with a bonding pad 52 that extends shape about being.

When assembling the utility model card connector 100, first conducting terminal 2 is plugged in the first terminal slot 111, conductive arm 22 is housed in the accepting groove 1121 and part extends in the card slot 113, second holding parts 23 is housed in the holddown groove 1122, and the lower surface of welding foot 24 flushes with the lower surface of body 1.Second conducting terminal 3 is housed in second terminal slots 112, and conductive part 32 parts extend in the card slot 113, and weld part 33 extends to outside the body 1, and the lower surface of weld part 33 flushes with the lower surface of body 1.The portion that plugs 41 of latch 4 is plugged in the fixing slot 13, and holding section 45 coats described projection 123, and holding strip 46 is plugged in the support slot 124, thereby latch 4 is fixed on the body 1.The insertion groove 493 of weldment 5 between two lead arm 495 inserts holding slot 492, and snapping portion 51 be located on the holding block 494 of described latch 4, and the top of snapping portion 51 and holding block 494 have certain distance, and bonding pad 52 is positioned at the below of fixed body 49.Described fixed block 14 is fastened on the electronic product (not shown), and the bonding pad 52 of the welding foot 24 of described first conducting terminal 2, the weld part 33 of second conducting terminal 3 and weldment 5 all is welded on the circuit board (not shown).

See also Fig. 1 and Fig. 5, the interface card 6 that is plugged in card connector in the present embodiment has a fool proof groove 61 and a buckle slot 62.The utility model card connector 100 is when inserting interface card 6, the fool proof groove 61 of interface card 6 is aimed at fool proof piece 114, then the anterior part of interface card 6 is inserted in the card slot 113, conflicted on limiting section 47 along guide portion 441 downward straightenings to the lower surface of interface card 6 of latch 4 in the rear portion of interface card 6 at last, thereby the front portion that makes interface card 6 is housed in the card slot 113, the upper surface of interface card 6 fastens at the press section of latch 4 442 lower surfaces, clamping part 43 fastens buckle slot 62, and interface card 6 and card connector 100 are electrically conducted.When taking out interface card 6, outwards break two clamping parts 43 of latch 4 into two with one's hands, remove the snapping of 43 pairs of buckle slots 62 of clamping part, pull out interface card 6 and get final product this moment in card slot 113.

Because the end of the limiting section 47 of latch 4 is positioned at the inboard of catch arm 48 ends, thereby when breaking clamping part 43 interface cards 6 into two with one's hands, the end of limiting section 47 can support and be stuck in the catch arm 48, thereby can prevent to make clamping part 43 tired easily because of the angle of breaking clamping part 43 off with the fingers and thumb is excessive.

Because the holding section 45 of latch 4 coats the projection 123 of described fixed arm 12, holding strip 46 is plugged in the support slot 124 of fixed arm 12, thereby makes latch 4 more firm being fixed on the body 1.Because cell wall two ends of insertion groove 493 are extended with two lead arm 495 towards the both sides of holding block 494, thereby are easily inserting weldment 5 and making weldment 5 be not easy in holding slot 492, to break away from.This latch 4 is formed by metalwork bending, thereby can reduce manufacturing cost.

In sum, the utility model card connector 100 be located on the holding block 494 of described latch 4 by the snapping portion 51 of weldment 5, thereby can adjust the position of weldment 5 above-below directions, the bottom surface that makes welding foot 24, weld part 33 and bonding pad 52 during welding at grade, thereby bonding pad 52 can be arranged to the form of small size, finally not only convenient welding, and cost is low, the welding firm.

Claims (5)

1. card connector, it comprises a body, some first conducting terminals, some second conducting terminals, at least one latch and at least one weldment, this body is provided with at least one fixing slot, some the first terminal slots and some second terminal slots; First conducting terminal is housed in the first terminal slot, and first conducting terminal is provided with a welding foot; Second conducting terminal is housed in second terminal slots, and second conducting terminal is provided with a weld part, it is characterized in that: described latch is plugged in the fixing slot, and latch is provided with a holding block; Weldment is provided with a snapping portion, and the two ends of snapping portion all outwards bend and are extended with a bonding pad, and snapping portion be located on the holding block of described latch.

2. card connector according to claim 1, it is characterized in that: described latch comprises that one plugs portion, the portion of plugging is plugged in the described fixing slot, this plugs portion's one end and is extended with an extension and catch arm, the front end bottom of extension bends inwards and has extended to form a limiting section, the end of limiting section is positioned at the inboard of catch arm, one end of this catch arm bends inwards and extends a fixed body, fixed body has a fixed head, offer the insertion groove and the holding slot that are interconnected in the fixed head, one cell wall of holding slot protrudes out and forms described holding block, and cell wall two ends of insertion groove are extended with two lead arm towards the both sides of holding block.

3. card connector according to claim 2 is characterized in that: described body comprises a fixed arm, and fixed arm has a fixed part, and an end top of fixed part offers a groove, and the bottom of groove upwards protrudes out and is formed with a projection; The bending of extension upper surface has extended to form a holding section, and the holding section coats described projection.

4. card connector according to claim 3 is characterized in that: the cell wall bottom of described groove has been recessed to form a support slot backward; The terminal rear portion of the described holding section holding strip that extended back, holding strip is plugged in the described support slot.

5. card connector according to claim 4 is characterized in that: an end of described extension is extended with a clamping part.

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