CN2259692Y - Card edge connector - Google Patents

Abstract

The utility model relates to a card edge connector, which comprises an insulating elongated shell, a couple of positioning walls, an outlet device and a couple of latches, wherein one end of the shell is provided with a cavity. The outlet device is axially connected and positioned in the cavity of the shell. When a daughter board is contained in a board slot of the shell of the connector, the couple of latches clamp the daughter board. The couple of latches are connected in a positioning hole of the daughter board. The outlet device is provided with a hook part. The shell of the connector is provided with a sealed type opening. The card edge connector can efficiently make the daughter board longitudinally aligned and positioned on the shell. The card edge connector prevents the daughter board from being offset when the daughter board is inserted.

Description

Card edge connector

The utility model relates to a kind of card edge connector, and it is a kind of a pair of breech lock and drawing-out mechanism of comprising, can be effectively with the fixing female type connector within it of daughter board.

United States Patent (USP) the 5th, 074, a kind of card edge connector relevant with the utility model disclosed for No. 800, this connector comprises a withdraw device, have on this withdraw device releasedly with one and be inserted in the breech lock that corresponding location hole connects in the daughter board in this connector, by this, as the 5th, 074, the prior art part of No. 800 patent specifications is described, and the combination of this connection breech lock and this withdraw device can overcome needs a plurality of steps could be with the daughter board that is inserted into from for example United States Patent (USP) the 4th, 990,097,5,013,264 and 5, the shortcoming of the inconvenience that the card edge connector described in 082, No. 459 is extracted out.Similar and/or improved structure is at United States Patent (USP) the 5th, 167, and 517,5,207,598 and 5,211, introduction is also arranged in No. 568.

Also there is shortcoming in aforementioned card edge connector with this integral latch-combination (1atch-combined) withdraw device, it has a pair of withdraw device that connects breech lock that relatively inwardly protrudes out, be designed to wittingly outwards rotate, therefore the setting at the top of this withdraw device does not only have help to the location of daughter board, even be open state along the longitudinally of this connector shell, though so easily freely can be at it two towards relatively and the lower limb part of holding and clamping this daughter board that is inserted between the connection breech lock that inwardly protrudes out, but this opening correspondingly makes and is inserted into daughter board and locational skew can be arranged in inserting this connector the time along the longitudinally of this connector shell, cause this daughter board when inserting, unstable skew to be arranged along this connector longitudinally, produce the off normal of actual insertion position, the lower edge portion parallel circuit of this daughter board of meeting scratch causes loose contact.

The purpose of this utility model is to provide a kind of card edge connector, and this connector can avoid daughter board longitudinally to be offset when inserting, and makes connector be easy to mold casting forming.

The purpose of this utility model is to realize like this, a kind of card edge connector promptly is provided, its for a kind of with inserting the female type connector that daughter board wherein uses, it comprises a microscler insulation shell, there is a longitudinally along this housing to extend, the median plate groove of ccontaining this daughter board one feather edge part, which is provided with a plurality of contact grooves, these a plurality of contact grooves are laterally arranged side by side along this median plate groove, each contact groove is provided with contact, a pair of location wall is located at respectively near aforementioned housing two opposite ends, two opposite ends of the median plate groove of housing extend to this respectively in the wall of location, one breech lock be located at this location wall one inboard near and respectively near the corresponding end both sides of this median plate groove, which is provided with pair of corresponding and clamp the coupling part of the connection convex body of this insertion daughter board, location hole in itself and this daughter board is chimeric, in position; One withdraw device is coupling and is positioned at this breech lock next door near an outside of aforementioned housing location wall, and this location wall and this are isolated breech lock.

The advantage of the utility model connector is, it has the withdraw device that the daughter board that inserts is removed from this connector shell, can prevent that daughter board longitudinally is offset when inserting, this moment, it also was provided with contact, connector shell has a plurality of contact grooves side by side, each contact groove is arranged in a neat configuration, and contact that can ccontaining correspondence makes it be easy to mold casting forming.

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 double-row type card edge connector.

Fig. 2 is the stereogram of connector shell right-hand member among Fig. 1;

Fig. 3 is the perspective view of withdraw device among Fig. 1;

Fig. 4 is the cross-sectional view of this connector breech lock;

Fig. 5 is the cross-sectional view of this connector contact;

Fig. 6 A is the combination stereogram of socket connector and a daughter board among Fig. 1;

Fig. 6 B be among Fig. 6 A socket connector with insert the stereogram that daughter board wherein is assembled together;

Fig. 6 C is a socket connector and the stereogram that will withdraw from daughter board among Fig. 6 A;

Fig. 7 is the front view of socket connector among Fig. 1, and the relation of withdraw device and the relative housing of breech lock is shown.

For clarity sake, in each accompanying drawing of embodiment, identical assembly is marked with identical label.Please consult Fig. 1 earlier, the utility model card edge connector 1 comprises a microscler insulation shell 10, this microscler insulation shell 10 has the median plate groove 12 that extends along the longitudinally of this housing 10, this median plate groove 12 is used for a vertically ccontaining daughter board (Fig. 1 does not show) therein, a plurality of contact grooves 14 are laterally arranged with the contact (not showing among Fig. 1) of ccontaining a plurality of correspondences respectively therein along this board slot ditch 12 side by side, wherein the jointing of each contact extends in this board slot ditch 12, so these contacts can be electrically and mechanically be connected this and be inserted into the circuit that daughter board bottom edge in this board slot ditch 12 is divided.

Three posts 16 are respectively placed near two terminal relatively and these centers of housing 10, can regularly this housing 10 be installed on the motherboard (not shown).

The principal character of the utility model card edge connector is end portion and this upright fixedly breech lock 70 and this pivot withdraw device 50 of this housing 10.See also Fig. 2, the right portion of housing 10 comprises a vertical hole 30, this hole 30 is between the outermost end wall 32 and the location wall 34 near these housing 10 end walls 32 of housing 10, wherein the end of this board slot ditch 12 extends in the wall 34 of location, and the lateral section that therefore is inserted in the daughter board in the board slot ditch 12 can be located wall 34 by this and be clamped.One narrow vertical passage 36 is aimed at along the longitudinally of this housing 10 and with this board slot ditch 12, extend through this location wall 34, so board slot ditch 12 can be communicated with hole 30 directly.

This hole 30 also comprises a pair of vertical alcove 38 that extends transverse in the microscler sidewall 13 that is positioned at board slot ditch 12 1 sides, and being set at is one to extend through the locking hole 40 of this sidewall 13 along horizontal direction near this alcove 38 bottoms.One notch 37 is placed in the wall 34 of location and near each corresponding alcove 38.One space 42 extends through the top of this end wall 32.Groove 39 vertically and horizontal direction be positioned on the top of this location wall 36 and the end of close this board slot ditch 12.

Relatively, see also Fig. 2 and 3, one withdraw devices 50 and be positioned at effectively in this hole 30, this withdraw device 50 comprises a vertical main body 52, extend forward from this vertical main body 52 one hook part 54, and wherein this hook part 54 extends through this passage 36 and is arranged in the board slot ditch 12 of this housing 10.This hook part 54 comprises one-body moldedly from one of these main body 52 extensions vertical first 541, one from the end of this first 541 downwards and the second portion 542 of the inclination of extending forward, and the third part 543 of a level of extending from the end of this second portion 542.A pair of side shield 56 extends forward from this main body 52, is separated by this hook part 54 and is positioned at this 54 next doors, hook part.One lock pin 58 stretches out from the bottom of each plate washer 56 and is contained within the corresponding locking hole 40.Relatively, a location convex body 60 stretches out on the top of each baffle plate 56.Be assembled into the withdraw device of these housing 10 end walls 32, can by this location convex body 60 with withdraw device 50 with a kind of locking mode confinement in this hole 30.One lever 59 extends back from the top of this main body 52 with being inclined upwardly.The aft section 53 of this main body 52 is in a locking at this withdraw device 50 and can be positioned in this space 42 during the upright position, as shown in Figure 7.

See also Fig. 1,2,4 and 6A, a pair of breech lock 70 is positioned at the inboard near this location wall 34, and be located at the next door of these board slot ditch 12 ends respectively, each breech lock 70 is for the form of strip and comprise a vertical base portion 72 of expanding, and laterally extends barb 73 in the both sides of these vertical base portion 72 bottoms, is contained in a pair of opposed slot 17 of this housing 10 with can making breech lock 70 fixings.One polymeric part 74 extends upward from the top of each breech lock 70 base portion 72, so this polymeric part 74 to breech lock 70 is approaching mutually gradually.One vertical coupling part 76 is positioned at the top of each breech lock 70 polymeric part 74, one expansion 78 is positioned on the top of this part 76, wherein one connects convex body 77 upcountry, promptly extend on the inner surface of this coupling part 76 with direction towards the median plate groove 12 of this housing 10, it is in the distance of two relative coupling parts 76 of 12 two breech locks 70 of this board slot ditch, positively the width than this board slot ditch 12 is little with the thickness that is inserted in the daughter board in this board slot ditch 12, so breech lock 70 outside deflection during the insertion of this daughter board 100.In order to comply with the deflection of this coupling part 76, the sidewall 13 of housing 10 has the gradually thin configuration of Xiang Yiduan to allow the outside distortion of breech lock 70 on the surface within it, and as shown in Figure 4, the structural relation between this housing 10, this withdraw device 50 and the breech lock 70 sees also Fig. 7.

As shown in Figure 6A, when withdraw device 50 is in a locking during upright position, daughter board 100 can be from the top be packed the board slot ditch 12 of this housing 10 into.During insertion, the groove 39 at these location wall 36 tops can guide the side edge part 101 of this daughter board 100 to pack into along the direction of lengthwise and side direction, and locatees finally that wall 36 can limit and the daughter board that inserts is fixing in position.Therefore, this daughter board 100 can not be moved horizontally.In this case, this to the coupling part 76 of clamping daughter board 100 relative breech lock 70 therebetween a little outwards deflection to allow daughter board 100 and in housing 10, insert and ccontaining; Wherein connecting convex body 77 is buried in the location hole 102 in the daughter board 100.Be appreciated that the recess pattern of the location hole 102 of daughter board 100, make the effect that connects convex body 77 as preventing the stop device of this daughter board 100, shown in Fig. 6 B with respect to the vertical moving of housing 10.

When this daughter board 100 will be when housing 10 be removed, withdraw device 50 overcomes the resistance of locating between convex body 60 and the end wall 32 downwards by hand propelled lever 59, and be that rotate at the center with lock pin 58, therefore the third part 543 of this hook part 54 is positioned under the lower limb of this daughter board 100, and the right side lower edge that can be carried mobile also hairclipper plate 110 on the trend makes progress.The connection that this upwards election can make this daughter board 100 overcome and connect in the corresponding location hole 102 of convex body 77 in daughter board 100 fixes power.Therefore, the right side part of this daughter board 100 can connect from this and discharges fixing of convex body 77 and upwards lifted, and allows that this whole daughter board 100 removes from this housing 10, shown in Fig. 6 C.

It should be noted that two pairs of breech locks 70 are connected near two relatively the end of board slot ditch 12 in the housing 10, corresponding to two location holes 102 of the dual-side marginal portion 101 of daughter board 100.Differently, for reducing cost and can operating, in this embodiment only with a withdraw device 50 device at an end of this housing 10 to be used for withdrawing from the daughter board 100 of insertion from this housing 10.Be appreciated that the left distal end that another withdraw device 50 preferably can be placed at this housing 10 to withdraw from symmetrically for the daughter board 100 that inserts with 50 cooperations of right side withdraw device from housing 10.In addition, this can provide the side edge part 101 of the strength of balance and symmetry to the correspondence of this daughter board 100 to clamping daughter board breech lock 70 betwixt, and therefore whole daughter board 100 is in a stable state stably in housing 10.

Be noted that in order to be easy to check the fixedly connected state of this connection convex body 77 in daughter board 100 location holes 102, this expands outwardly at its top breech lock 70 in order this daughter board 100 can easily be inserted in this board slot ditch 12.In addition, this expansion 78 to breech lock 70 can guide the side edge part 101 of the daughter board 100 that inserts to be inserted in the board slot ditch 12 of housing 10, and makes the side edge part 101 of this insertion daughter board 100 aim at this to breech lock 70 validly.

Should be appreciated that because this breech lock 70 and this withdraw device 50 are to be provided with respectively, its 26S Proteasome Structure and Function is independent mutually, this daughter board 100 can insert in lock upright position or release obliquity at this withdraw device.The former position is described in Fig. 6 A, in obliquity, the withdraw device 50 of this inclination is depressed the third part 543 of level of the hook part 54 of this withdraw device 50 by its lower limb at this daughter board 100, and can be repositioned at this locking upright position when being loaded into this housing 10.

As shown in Figure 5, this contact 90 of each contact groove 14 comprises the base portion 91 of a level, have a pair of fixing barb part 92 from two opposite ends of base portion 91 and extend upward, but fixing is connected in this corresponding contact groove 14.Barb laterally stretches out from barb part 92 respectively and penetrates this housing 10.One stitch portion 93 extends downwards in the hole of the correspondence of inserting and be welded on this motherboard (not shown) from this base portion 91, and this housing 10 is installed on this motherboard.One extending column 94 extends on the top of this barb part 92 on the sidewall 13 near this housing, and a generally'S '-shaped contact arm 95 extends through corresponding contact groove 14 from this extending column, and the end 96 of this contact arm 95 extends in the median plate groove 12.Therefore when this daughter board 100 is inserted in this board slot ditch 12, can be mechanically and electrically be connected to the contact 90 of correspondence on the base of this daughter board 100 along the circuit on the part.

Claims (7)

1, a kind of card edge connector, its for a kind of with inserting the female type connector that daughter board wherein uses, it is characterized in that, it comprises a microscler insulation shell, there is a longitudinally along this housing to extend, the median plate groove of ccontaining this daughter board one feather edge part, which is provided with a plurality of contact grooves, these a plurality of contact grooves are laterally arranged side by side along this median plate groove, each contact groove is provided with contact, a pair of location wall is located at respectively near aforementioned housing two opposite ends, two opposite ends of the median plate groove of housing extend to this respectively in the wall of location, one breech lock be located at this location wall one inboard near and respectively near the corresponding end both sides of this median plate groove, which is provided with pair of corresponding and clamp the coupling part of the connection convex body of this insertion daughter board, the location hole in itself and this daughter board is chimeric, in position; One withdraw device is coupling and is positioned at this breech lock next door near an outside of aforementioned housing location wall, and this location wall and this are isolated breech lock.

2, card edge connector according to claim 1 is characterized in that, the longitudinally of this housing is aimed at this median plate groove, extends through this location wall and is provided with a narrow passage.

3, card edge connector according to claim 1 is characterized in that, this withdraw device is positioned at and is formed in the hole of this corresponding positioned adjacent wall and between the abutment end wall of the outermost end of this housing.

4, card edge connector according to claim 1, it is characterized in that, this withdraw device comprises a vertical main body, extend forward from this vertical main body one hook part, this hook part extends through the passage in this location wall in this withdraw device tilt release operation, one offside plate washer extends forward from this body, separate from this hook part and on this next door, hook part, each side plate washer comprises that a lock pin and in this bottom is contained in locking hole in the sidewall of this housing is connected the location convex body of this end wall at this top, and an acclivitous lever that extends back from the top of this main body.

5, card edge connector according to claim 1 is characterized in that, forms one in this housing end wall and allows the space that this withdraw device outwards moves.

6, card edge connector according to claim 1, it is characterized in that, this each breech lock to breech lock comprises, one extends laterally at the vertical base portion of the expansion of this bottom with from its both sides and to be contained in this housing sidewall corresponding to the barb in the groove, one polymeric part, a vertical coupling part and an expansion, its one-body molded being positioned on this vertical base portion, distance between two coupling parts of these two relative breech locks is less than the thickness that is inserted into daughter board.

7, card edge connector according to claim 1, it is characterized in that, each contact of being located at this contact groove comprises a horizontal base, a pair of fixing barb part extends upward from two opposite ends of this horizontal base, be fixedly attached in this corresponding contact groove, one stitch portion extends downwards from this base portion, and an extending column extends on one the top in this fixing barb part, and a generally'S '-shaped contact arm extends through this contact groove and extends this median plate groove from this extending column.

Images