CN2298544Y

CN2298544Y - Extend card connector

Info

Publication number: CN2298544Y
Application number: CN 97203436
Authority: CN
Inventors: 刘进卿
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-04-16
Filing date: 1997-04-16
Publication date: 1998-11-25
Anticipated expiration: 2007-04-16

Abstract

The utility model relates to an extended card connector which comprises a main body, wherein the main body is provided with an inserting groove which can be expanded for insertion, the tail end of one side of the inserting groove is provided with a wrenching piece, the bottom end of the main body is provided with a pushing member which can push an extended card up to disengage one part of the extended card from the inserting groove, and a cylinder member is arranged on the central axial cord of the main body. One end of the inserting groove of the main body is provided with a containing groove for containing the wrenching piece. The inner side wall of the containing groove is provided with an arc inserting groove which is provided with an opening for clamping the cylinder member. The tail end of a vertical positioning piece can contact the cylinder member in a direction to position the cylinder member, and the direction is opposite to the opening of the arc inserting groove. The vertical positioning piece has bending elasticity. The cylinder member can be inserted into or taken out from the opening of the arc inserting groove by wrenching the vertical positioning piece.

Description

Extend card connector

The utility model belongs to the computer utility appliance, especially designs a kind of Extend card connector.

Now in the expansion connector that computer uses; some product is provided with the liftout attachment that expansion board is ejected; so that expansion board can be pulled down from connector easily; this Extend card connector is respectively equipped with two extension boards usually at the connector body two ends; form a storage tank between two extension boards; install one in two storage tanks respectively for pointing the pulling piece of pulling; so that expansion board is ejected from connector; because the pin density of the expansion board that this connector uses is quite high; and the common superfine length of expansion board; so the two ends of this connector also are provided with a guiding and positioning device usually respectively; insert in the expansion slot with the guiding expansion board; and with its correct location; the circuit junction of guaranteeing expansion board keeps well contacting with the terminal of expansion slot; general these connector body two ends are provided with two relative location-plates; this location-plate is vertically extended upward by body; has a locating slot between two location-plates; and connect a side plate; be used for guiding location expansion board; though this connector can make the dismounting expansion board become laborsaving by pulling piece; and can not cause expansion board to rupture because of incorrect disassembling section mode; but it still has many defectives; at first; the pulling piece two sides have an outstanding stud shaft respectively; a stud shaft hole is set on the body extension board; when pulling piece is installed; the stud shaft of pulling piece must be snapped in the axis hole of two extension boards; can be owing to the length of stud shaft spacing greater than two extension boards; when therefore pulling piece being installed; extension board can be backed down by stud shaft; and the side plate of the align member at connector body two ends is ruptured easily; secondly; this connector to pull ear quite long; its two sides keep closely contacting with the extension board at body two ends; when therefore using; pull ear and rock a little and will make the connector body two end portions produce torsional deformation, the side plate of align member is ruptured easily.

The purpose of this utility model is to provide a kind of Extend card connector, makes the easy accessibility of expansion board, and the situation that causes when avoiding the dismounting expansion board connector body to damage.

The utility model adopts following technical scheme:

The utility model Extend card connector, comprise body and keeper, body is provided with a longitudinal socket for the expansion board insertion, more than one pulling piece is pivoted on the central axis of slot end, pulling piece is that the center rotates to one first location and one second location with the central axis, its bottom is provided with a liftout component, and the pulling piece central axis is provided with a cylindrical member; One end of body slot is provided with a storage tank for the pulling piece device, this storage tank is respectively equipped with an opposed inside wall, be provided with on each madial wall one with the central axis concentric and the deep-slotted chip breaker that can snap in for cylindrical member, this deep-slotted chip breaker is provided with an opening that diameter is big than this cylindrical member diameter, snaps in the deep-slotted chip breaker for cylindrical member; Perpendicular positioning spare end contacts cylindrical member from the relative direction of the opening of deep-slotted chip breaker, and cylindrical member is fixed in the deep-slotted chip breaker.

The purpose of this utility model can also further realize by following technical measures:

Perpendicular positioning spare of the present utility model is the strip cylinder, the end of described perpendicular positioning spare is provided with a side-locating face, it can be by the side of a side contacts cylindrical member opposite with perpendicular positioning spare bending direction, this perpendicular positioning spare can contact with the side of expansion board with a side of expansion board adjacency, the adjacent side of described pulling piece and perpendicular positioning spare is provided with a guide channel along its y direction, arc surface is given prominence to the both sides at pulling piece at the bottom of the described cylindrical member be provided with two, and can snap in the deep-slotted chip breaker, the tip circle cambered surface of cylindrical member and end arc surface concentric, and can contact with the end of perpendicular positioning spare, the bottom of described body storage tank is provided with a connecting portion, so that the madial wall of storage tank links together, pulling piece bottom and connecting portion adjoiner are provided with a corner cut according to the shape of connecting portion, to increase the thickness of connecting portion.

Extend card connector of the present utility model, its perpendicular positioning spare has flexible elasticity, removing and installing when pulling plate, extension board outwards must not strutted, so can not cause body and side plate to be strutted the situation of breaking, destroy connector when having avoided pulling piece to install, thereby reduced the disqualification rate of product, the both sides of the body leading flank of pulling piece are protruded the fin that setting is parallel to each other together respectively, guide channel of the common composition of the leading flank of the inner side edge of two fins and the body of pulling piece, the width of this guide channel is slightly identical with the width of perpendicular positioning spare, when pulling piece is positioned in first location, guide channel can be fastened togather with perpendicular positioning spare, pulling piece can be located by perpendicular positioning spare, and can not roll, therefore connector can not rocking because of pulling piece, and make the connecting portion and the side plate of storage tank bottom, body both sides impaired, the width of perpendicular positioning spare is slightly larger than the width of align member locating slot, so the both sides of this perpendicular positioning spare directly are connected the side of two wall extensions, the thickness of the connection material of two wall extension head portions is increased, therefore side plate easy fracture not, in addition, the bottom of the utility model connector body both sides storage tank is provided with a connecting portion, two extension boards are linked together, for strengthening the intensity of connecting portion, to avoid the fracture of connecting portion when expansion board is dismantled, the utility model is provided with a corner cut in the bottom of pulling plate and this connecting portion position contacting, therefore make the material thickness increase of this connecting portion and have preferable intensity, the both sides of the edge of the liftout component leading flank of pulling piece below are respectively equipped with a reinforced ribs that extends to the below from the liftout component top, with the intensity of increase liftout component, thereby prevent that liftout component from fractureing.

Specifically narrate embodiment below in conjunction with accompanying drawing:

Fig. 1 is a spatial structure decomposing schematic representation of the present utility model

Fig. 2 is a textural association cross-sectional schematic of the present utility model

Fig. 3 ejects expansion board for the utility model pulling piece the cross-sectional schematic of state

Fig. 4 is the perspective view of the utility model pulling piece

Fig. 5 is the utility model body tip part-structure cross-sectional schematic

Fig. 6 is the 6-6 line cross-sectional schematic of Fig. 5

Fig. 7 is the combination cross-sectional schematic of the utility model body tip and pulling piece

Fig. 8 is the schematic top plan view of the utility model body tip and pulling piece

Fig. 9 is the synoptic diagram of second kind of application state of the utility model pulling piece

Figure 10 is the textural association cross-sectional schematic of second kind of application state of utility model

First embodiment of the present utility model, as shown in Figure 1, Extend card connector of the present utility model, comprise connector body 10, it is made with electrically non-conductive material, central authorities are provided with a slot 11 along y direction, be inserted in wherein for expansion board 2, slot 11 is made up of two relative sidewalls 12, and two sidewalls 12 are provided with several relative storage tanks 13, hold (not shown) for several terminals, as shown in Figure 2, body 10 device and can insert wherein for expansion board 2 on a circuit substrate 1, and expansion board 2 is connected with circuit on the circuit substrate 1.

The two ends of body 10 are provided with an align member 14 respectively, be used to locate expansion board 2, can be fixed on after inserting it in the slot 11 on the correct position and keep excellent contact with terminal, as shown in Figure 1, align member 14 comprises: two wall extensions 15, it is extended vertically upward by sidewall 12, make and form a locating slot 16 between two wall extensions 15 perpendicular to slot 11, above locating slot 16 outer openings positions, be provided with a side plate 17 that is connected two wall extension 15 ends, the width of locating slot 16 is slightly identical with the thickness of expansion board 2, and it is parallel with the direction of expansion board insertion slot 11, and the spacing between the opposed inner walls of two side plates 17 is slightly identical with the width at expansion board 2 two ends, therefore can guide expansion board 2 to be inserted into the tram of slot 11, and located, the both ends of connector body 10 comprise: two extension boards 19, end face by two wall extensions 15 vertically extends, storage tanks 20 of aiming at mutually with slot 11 of the common formation of the medial surface of two extension boards 19.

As shown in Figure 2, the both ends of connector body 10 are provided with one respectively and pull plate 30, respectively pulling the firm plastic material of plate 30 usefulness makes, it comprises: a body 31, one generally is hook-shaped liftout component 32 and lever 33, wherein lever 33 is extended laterally by the top of body 31, its end face is provided with several horizontal rags, pull plate 30 for the user with finger, the width of body 31 is slightly larger than the width of liftout component 32, the junction of itself and liftout component 32 forms one perpendicular to the turnover face 34 of body 31 with liftout component 32 sides, be inclination between this turnover face 34 and body 31 leading flanks, its angle is less than 90 degree, the leading flank of body 31 is provided with a cylindrical member 35, this cylindrical member 35 comprises that two are arranged on turnover face 34 belows, near the end arc sections 36 of body leading flank and leading flank that protrudes in body 31 and with the top arc sections 37 of end arc sections 36 concentrics, make expansion board break away from slot 11 at least in part.

As Fig. 2, shown in 3, pulling piece 30 inserts after the slot 11, cylindrical member 35 can be positioned on the central axis c, pulling piece 30 can be rotated around this central axis c, this pulling piece 30 can this central axis c be the second location 3b that the center rotates to first a vertical location 3a and an inclination in addition, when expansion board 2 inserts slot 11, pulling piece 30 is located in the first location 3a, liftout component 32 contacts of its bottom are at the bottom side at expansion board 2 two ends, when pulling piece 30 rotates to the second location 3b, the liftout component 32 of its below can be upturned, and with expansion board 2 jack-up.

Consult shown in Figure 1, the medial surface of each extension board 19 is provided with a draw-in groove 21, side 22 that this draw-in groove 21 is parallel to each other by a medial surface with extension board 19 and the front side wall 23 that is positioned at these side 22 leading edges, be arranged on front side wall 23 and downside wall 24 junctions with the downside wall 24 that is positioned at side 22 root edges and one and recessed deep-slotted chip breaker 25 constitutes, consult shown in Figure 7, the opening of deep-slotted chip breaker 25 is slightly larger than the diameter of cylindrical member 35, insert wherein for cylindrical member 35, the width of body 31 both sides is slightly identical with the spacing of the side 22 of two draw-in grooves 21, therefore can insert 22 of the sides of two draw-in grooves 21, the width of the liftout component 33 of its below is slightly less than the width of storage tank 20, so can make pulling piece 30 be contained in 19 of two extension boards.

Consult shown in Figure 2, the end arc sections 36 of pulling piece 30 can be stuck the center that is positioned at deep-slotted chip breaker 25, the Center-to-Center axis c of this deep-slotted chip breaker 25 overlaps, therefore the cylindrical member 35 of pulling piece 30 can be positioned on the central axis c, making pulling piece 30 can this central axis c be that rotate at the center, because the turnover face 34 of pulling piece 30 is skewed, so when pulling piece 30 is fixed in the storage tank 20, gap with an angle between the downside wall 24 of this turnover face 34 and draw-in groove 21, pulling piece 30 can freely be rotated in a special angle scope, the perpendicular positioning spare 40 that the utility model connector is provided with, can compress from the top arc sections 37 of relative direction of deep-slotted chip breaker 25 openings and pulling piece 30 and contact, and pulling piece 30 is positioned on the aforesaid central axis c, as Fig. 1, shown in 6, described perpendicular positioning spare 40 is rectangle cylinders that the side plate 17 from align member 14 tops extends vertically downward, its bottom is provided with a locating surface 41, it can move up to prevent cylindrical member 35 from the top that the top arc sections 37 of plate 30 is pulled in the relative direction contact of these deep-slotted chip breaker 25 openings.

As shown in Figure 7, perpendicular positioning spare 40 has flexible elasticity, its end can be towards the inside bend of connector 10, making its end move to one can make the end of perpendicular positioning spare 40 can not hinder the ad-hoc location that cylindrical member 35 passes in and out deep-slotted chip breakers 25, when pulling piece 30 is installed, the user can go into angle oblique cutting of pulling piece 30 inclinations between two wall extensions 19, allow cylindrical member 35 that perpendicular positioning spare 40 is backed down backward, it is snapped in the deep-slotted chip breaker 25, after cylindrical member 35 snaps in the location, perpendicular positioning spare will bounce back into plumbness automatically, and cylindrical member 35 is positioned in the deep-slotted chip breaker 25, when dismounting pulling piece 30, use this can utilize an elongated lever that perpendicular positioning spare 40 is backed down backward, after making angle of pulling piece 30 inclinations, just can from storage tank 20, take out, remove and install in the process, extension board 19 outwards must not strutted, so can not cause body 10 and side plate 17 to be strutted the situation of breaking, destroy connector when having avoided pulling piece 30 to install, thereby reduced the disqualification rate of product, as shown in Figure 5, locating surface 41 the side be provided with a side-locating face 42 that can contact with tip circle cambered surface 37 sides, location by side-locating face 42, can make perpendicular positioning spare 40 make locating surface 41 keep contacting towards the bending of body lateral direction with tip circle cambered surface 37.

For another example shown in Fig. 2,3, the length of expansion board 3 two ends vertical edges is slightly identical with the spacing of the medial surface of two perpendicular positioning spares 40, therefore after expansion board 2 inserts the slot 11 of connector body 10, the medial surface of its two ends and perpendicular positioning spare 40 only keeps some gap, perpendicular positioning spare 40 can't be curved inwardly, and can make its terminal locating surface 41 keep being pressed on the top arc sections 37 of cylindrical member 35, so after expansion board 2 inserted slot 11, pulling piece 30 just can't break away from storage tank 20.

Again as shown in Figure 4, the both sides of body 31 leading flanks of pulling piece 30 are protruded the fin 38 that setting is parallel to each other together respectively, guide channel 39 of the common composition of the leading flank of the body 31 of the inner side edge of two fins 38 and pulling piece 30, as Fig. 2, shown in 8, the width of this guide channel 39 is slightly identical with the width of perpendicular positioning spare 40, when pulling piece 30 is positioned in the first location 3a, guide channel 39 can be fastened togather with perpendicular positioning spare 40, pulling piece 30 can be located by perpendicular positioning spare 40, and can not roll, therefore connector can not rocking because of pulling piece 30, and make the connecting portion and the side plate 17 of body 10 both sides storage tanks 20 bottoms impaired, perpendicular positioning spare 40 is except that the effect with location pulling piece 30, also has the function that prevents side plate 17 fractures, as shown in Figure 8, the width of perpendicular positioning spare 40 is slightly larger than the width of align member 14 locating slots 16, so the both sides of this perpendicular positioning spare 40 directly are connected the side of two wall extensions 15, the thickness of the connection material of two wall extension 15 head portions is increased, so side plate 17 easy fracture not.

In addition, the bottom of the storage tank 20 of the utility model connector body 10 both sides is provided with a connecting portion 26, two extension boards 19 are linked together, for strengthening the intensity of connecting portion 26, to avoid the fracture of connecting portion 26 when expansion board 2 is dismantled, the utility model is provided with a corner cut 321 in the bottom of pulling plate 30 and this connecting portion position contacting, therefore make the material thickness increase of this connecting portion 26 and have preferable intensity, the both sides of the edge of liftout component 32 leading flanks of pulling piece 30 belows are respectively equipped with a reinforced ribs 322 that extends to the below from liftout component 32 tops, to increase the intensity of liftout component 32, prevent that liftout component 32 from fractureing.

Second embodiment of the present utility model, shown in Fig. 9,10, its used pulling piece 30a comprises: body 31a, one generally are hook-shaped liftout component 32a and lever 33a on body 31a top, the difference of pulling piece 30 is among itself and first embodiment, the length of the body 31a of pulling piece 30a is longer than the length of the first embodiment body 31, and its top is provided with a clamping member 31b who extends internally, in order to expansion board 2a on a connecting hole 2b engage mutually, and with this fixing expansion board 2a.

In sum, Extend card connector of the present utility model, structural design is simple, reasonable, practical, has simplified the installing/dismounting operation of pulling piece, and has strengthened the intensity of structure, has overcome the defective of existing product, reaches design purpose.

Claims

1, a kind of Extend card connector, comprise body and keeper, it is characterized in that, body is provided with a longitudinal socket for the expansion board insertion, more than one pulling piece is pivoted on the central axis of slot end, pulling piece is that the center rotates to one first location and one second location with the central axis, and its bottom is provided with a liftout component, and the pulling piece central axis is provided with a cylindrical member; One end of body slot is provided with a storage tank for the pulling piece device, this storage tank is respectively equipped with an opposed inside wall, be provided with on each madial wall one with the central axis concentric and the deep-slotted chip breaker that can snap in for cylindrical member, this deep-slotted chip breaker is provided with an opening that diameter is big than this cylindrical member diameter, snaps in the deep-slotted chip breaker for cylindrical member; Perpendicular positioning spare end contacts cylindrical member from the relative direction of the opening of deep-slotted chip breaker, and cylindrical member is fixed in the deep-slotted chip breaker.

2, Extend card connector according to claim 1 is characterized in that, described perpendicular positioning spare is the strip cylinder.

3, Extend card connector according to claim 2 is characterized in that, the end of described perpendicular positioning spare is provided with a side-locating face, and it can be by the side of a side contacts cylindrical member opposite with perpendicular positioning spare bending direction.

4, Extend card connector according to claim 2 is characterized in that, described perpendicular positioning spare can contact with the side of expansion board with a side of expansion board adjacency.

5, Extend card connector according to claim 2 is characterized in that, the adjacent side of described pulling piece and perpendicular positioning spare is provided with a guide channel along its y direction.

6, Extend card connector according to claim 1, it is characterized in that arc surface is given prominence to the both sides at pulling piece at the bottom of the described cylindrical member be provided with two, and can snap in the deep-slotted chip breaker, the tip circle cambered surface of cylindrical member and end arc surface concentric, and can contact with the end of perpendicular positioning spare.

7, Extend card connector according to claim 1, it is characterized in that, the bottom of described body storage tank is provided with a connecting portion, so that the madial wall of storage tank links together, pulling piece bottom and connecting portion adjoiner are provided with a corner cut according to the shape of connecting portion, to increase the thickness of connecting portion.