CN1088924C - Electronic card connector - Google Patents

Abstract

An electronic card connector comprises a connector body; a joining device; move back card mechanism, it is connected with linking device including guide holder, liftout plate, fixed plate and push rod, guide holder, and the liftout plate is established and is being close connector body department, has and pushes away end and drive end, has two fulcrum devices pushing away between end and drive end, and the fixed plate is located the liftout plate below, and in the guide holder was located to the push rod, its one end was connected with the liftout plate drive end, and the fulcrum device includes: the guide groove and the guide piece which can slide in the guide groove are correspondingly arranged between the fixed plate and the ejection plate; and the positioning plates are arranged below the fixing plate, are respectively provided with positioning holes corresponding to the guide grooves and accommodate and position one end of the guide piece.

Description

electronic card connector

The invention relates to an electronic card connector, in particular to an electronic card connector in which a card ejection mechanism of the electronic card connector can eject cards in multiple stages by means of several grooves.

The electronic card connectors are provided with a card ejection mechanism so as to eject the electronic card inserted in the electronic card connector. Portable computers are generally equipped with electronic cards, so electronic card connectors have become one of the necessary settings for portable computers. The known electronic card connector 5 shown in Figure 1 mainly includes: a connector body 50, a connecting device 51 and card ejection mechanism 52, etc., wherein the card ejection mechanism 52 includes guide seat 521, ejector plate 522, rocker 523 and push rod 524, etc. 522 is arranged parallel to the connector body 50 , and a fastening portion 5221 is provided in the center for fastening with the rocker 523 . The rocker 523 is arranged parallel to the top of the ejector plate 522, and has a pivot joint 5231 that can be fastened with the fastening part 5221. There is a pivot joint hole 5232 near the center, which is used for pivoting the metal shielding frame of the joint device 51. The other end is pivotally connected to the socket end 5241 of the push rod 524 on the shaft connection hole 5101 of the push rod 510 . The push rod 524 is disposed in the guide seat 521 and can move axially to push the ejector plate. Please refer to Fig. 2. When ejecting the card, the pressing side 5242 of the push rod 524 is pressed against the connector body 50. At this time, the rocker 523 takes the pivot joint A as a fulcrum, and one end is continuously pushed toward the connector body 50 side by the push rod 524. The other end shifts the ejection plate 522 to the opposite direction of the connector body 50 , so that the electronic card 60 inserted in the connector body 50 can be pushed out.

The card ejection operation of the above-mentioned known electronic card connector is very laborious. Please refer to FIG. 2. The card ejection mechanism 52 is used to link the ejector plate 522 with the rocker 523. It takes a near center as the fulcrum, and the push rod 524 reaches the fulcrum. Although the force arm F is greater than the force arm R from the pivot point A to the fulcrum of the ejector plate 522 and the rocker 523, because the force arm F is very short, and the electronic card is about to be separated from the moment when it is plugged into the electronic card connector A relatively large push-attraction force is required, so the rocker 523 drives the ejector plate 522 to push and pull the electronic card rather laboriously.

Aiming at the shortcomings of the above-mentioned known electronic card connectors for returning cards, another known electronic card connector has made some improvements by U.S. Patent Nos. 5,421,737 and 5,383,789. Design, resulting in inaccurate card return action, affecting the quality of the operation. And the technical structure of these two patents is complicated, cost is high, and economic benefit is low.

The object of the present invention is to provide an electronic card connector that can withdraw the electronic card in a labor-saving manner and has a simple structure. Eject the electronic card with a relatively large force arm first, and then fully eject the electronic card with a relatively large force arm.

Another purpose of the electronic card connector of the present invention is to provide an electronic card connector with reliable card ejection operation, simple structure and convenient assembly. Card operation is in place.

The object of the present invention is achieved by providing an electronic card connector for accommodating and withdrawing electronic cards, which includes: a connector body with several conductive terminals in between; an engaging device connected to the One side of the connector body; a card ejection mechanism, connected with the connector body, which includes a guide seat, an ejection plate, a fixing plate and a push rod, wherein the guide seat is connected with the engaging device, and the ejection plate Located close to the connector body, it has a push end and a drive end, and at least two fulcrum devices are arranged between the push end and the drive end, wherein the first fulcrum device is close to the push end, and The second fulcrum device is far away from the pushing end, the fixing plate is located below the ejecting plate, the push rod is arranged in the guide seat, one end of which is connected with the driving end of the ejecting plate, and the other One end is the force-applying end, and the fulcrum device includes: a guide piece and a guide groove, both arranged between the fixed plate and the ejector plate; a positioning plate, arranged under the fixed plate, and the positioning plates are respectively provided with corresponding One end of the guide piece can be received and positioned in the positioning hole of the guide groove.

The advantage of the device of the present invention is that it installs a card ejection mechanism on the body of the connector, which can easily withdraw the electronic card completely; the present invention also has a positioning plate, which can ensure the stability of the guide, and the structure of the above-mentioned components is simple , easy to assemble, good card return effect.

Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, wherein:

FIG. 1 is an exploded perspective view of a known electronic card connector;

Fig. 2 is a combined plan view of a known electronic card connector;

Fig. 3 is a three-dimensional exploded view of the electronic card connector of the present invention;

Fig. 4 is a three-dimensional assembled view of the electronic card connector of the present invention;

5A, 5B, 5C, and 5D are schematic diagrams of two-stage card ejection by the card ejection mechanism of the present invention.

Please refer to FIG. 3, which is an exploded perspective view of the electronic card connector of the present invention. As shown in the figure, the electronic card connector 1 includes: a connector body 10, an engagement device 11, and an ejection mechanism 12, wherein the connector body 10 is concavely provided with a platform 100, which is used to provide a receiving space for the positioning plate 13 described later, and several conductive terminals 101 are arranged in it, and are used to communicate with the connector on the electronic card (not shown). Screw holes 102 are provided on both sides for locking with a circuit board (not shown). The engaging device 11 includes two engaging arms 110 integrally provided on the left and right sides of the connector body 10 , and protruding buckles 111 are provided at the ends for engaging and engaging the card ejection mechanism 12 .

The card ejection mechanism 12 includes a fixed plate 121, a guide seat 122, an ejector plate 123 and a push rod 124, wherein the fixed plate 121 is generally U-shaped, and its left and right ends are provided with square buttonholes 1214 and cards 1215 for use. They are fastened and engaged with the buckle 111 of the connector body 10 and the slot 1225 of the guide seat 122 respectively, and the central part of the fixing plate 121 is covered above the connector body 10 . In addition, the fixing plate 121 is punched out in a shape that can cover the connector body 10 and the connecting device 11, and its two sides are provided with arc-shaped first guide grooves 1211, second guide grooves 1212, and third guide grooves 1213 to guide the ejector plate. 123 displacements. In addition, the other side of the fixing plate 121 is provided with a guide opening 1216 to provide space for the pushing action of the ejecting plate 123 . The guide seat 122 is separately arranged on both sides of the connector body 10. As mentioned above, one end 1221 is provided with a slot 1225 for the card 1215 sleeve on both sides of the fixing plate 121, and the other end is provided with a screw hole 1222, which can be locked. On the computer case (not shown), a guide groove 1223 is provided on its inner edge to guide the insertion of the electronic card. Furthermore, a ground spring 1224 is provided near the end of the guide slot 1223 to form a ground loop with the inserted electronic card to suppress noise interference. The ejector plate 123 with the push end 1230 and the drive end 1231 is a geometric plate body, which is placed flat on the connector body 10, wherein the push end 1230 is bent into a ninety-degree push surface toward the insertion direction of the electronic card, which can Pushing the electronic card, the driving end 1231 is inserted into the socket 1241 of the push rod 124 , and is pushed by the push rod 124 to act. The ejector plate 123 is provided with guides 1232, 1233 and 1234, which respectively correspond to the first guide groove 1211, the second guide groove 1212 and the third guide groove 1213, and the above-mentioned guide members are integrally punched out of the convex ridge by the ejector plate 123 . Be provided with positioning plate 13 below fixed plate 121 again, be provided with positioning holes 131, 132 and 133 corresponding to the first guide groove 1211, the second guide groove 1212 and the third guide groove 1213 on it, can supply guide piece 1232, One end of 1233 and 1234 is assembled and positioned by riveting. The push rod 124 is arranged in the sleeve opening 1226 on the side of the guide seat 122 , one end of which is provided with a socket 1241 connected in series with the driving end 1231 of the ejector plate 123 , and the other end is a force applying end.

The assembly of the present invention is as shown in the above-mentioned FIG. 3 . The connector body 10 is fastened in the button hole 1214 of the fixing plate 121 with the convex buckle 111 in sequence, and then the left and right guide seats 122 are inserted on both sides of the fixing plate 121. Connect and fix the card 1215 with the slot 1225, and finally put the push rod 124 through the socket 1226 of the left guide seat 122, insert the socket 1241 into the driving end 1231 of the ejector plate 123, and make the ejector plate 123 The assembly is completed when the pushing end 1230 is located in the guide opening 1216 of the fixing plate 121 (see FIG. 4 ).

Please refer to Figures 5A, 5B, 5C, and 5D, which are schematic diagrams of the operation of the card ejection mechanism 12 of the present invention when ejecting a card. After the electronic card (not shown) is inserted and positioned, the pushing end 1230 of the ejector plate 123 is pressed against the bottom of the guide opening 1216 by the electronic card, and the driving end 1231 is relatively located below the pushing end 1230. In this case The guide piece 1232 abuts against the upper edge of the first guide groove 1211 . Please refer to Fig. 5B. When ejecting the card, press the push rod 124 (see Fig. 3) to move the driving end 1231 to the bottom end of the connector body 10. At this time, the guide 1232 is used as the first fulcrum of the action to push the leading end 1230, since the force distance from the driving end 1231 to the guide piece 1232 is longer (that is, the length of the force arm F1 is longer), and the force distance from the push end 1230 to the guide piece 1232 is shorter (that is, the short resistance arm R1 The length is short), so the electronic card plugged into the connector body 10 can be easily pushed out with less effort. At this moment, the guide piece 1233 is displaced to the top edge of the second guide groove 1212 , but the guide piece 1234 is not yet displaced to the top edge of the third guide groove 1213 . The pushing end 1231 has also been displaced by a certain distance. In other words, since the force arm F1 is longer (as shown in FIG. 5A ), the displacement stroke of the pushing end 1230 is not very large, so the electronic card is not completely pushed out of the computer case after being pushed out (not shown). , just disconnect from the connector body 10. Referring to Fig. 5C again, if the push rod 124 (see Fig. 3) is continued to be pressed, the ejector plate 123 will continue to move with the guide 1233 as the second fulcrum, so that the push end 1230 is displaced away from the bottom end of the guide port 1216, Until the guide piece 1234 is displaced to the top edge of the third guide groove 1213, the guide piece 1234 is used as the third fulcrum to move until the electronic card is completely pushed out, as shown in FIG. 5D. During this process, the electronic card is in a loose state ( has been disconnected from the connector body), so even if the force distance from the driving end 1231 to the guides 1212, 1213 is relatively short (that is, the force arm F2, F3 is shorter than the resistance arm R2), it is very Labor saving, and because the resistance arm R2 is longer and has a larger displacement stroke, the electronic card can be completely pushed out of the computer case.

To sum up, the card ejection mechanism 12 of the present invention ejects the card in three stages. In the first stage, the electronic card plugged into the connector body is ejected in a labor-saving manner with a longer force arm. In the third stage, the disengaged electronic card is pushed out by means of a longer resistance arm and a larger displacement stroke, which has the effect of returning the card and saving effort.

Various changes or modifications made by those skilled in the art according to the present invention are included in the claims of the present invention.

Claims (4)

1. A kind of electronic card connector, is used for accommodating, withdraws from electronic card, is characterized in that, it comprises: A connector body having a plurality of conductive terminals therebetween; an engaging device connected to one side of the connector body; A card ejection mechanism, connected with the connector body, which includes a guide seat, an ejection plate, a fixing plate and a push rod, wherein the guide seat is connected to the engaging device, and the ejection plate is located close to the connection At the body of the device, there are a push end and a drive end, and at least two fulcrum devices are arranged between the push end and the drive end, wherein the first fulcrum device is close to the push end, and is far away from the push end. It is the second fulcrum device, the fixed plate is located under the ejector plate, the push rod is arranged in the guide seat, one end of which is connected to the driving end of the ejector plate, and the other end is the force application end, so The fulcrum device includes: a guide groove and a guide piece that can slide therein, both of which are correspondingly arranged between the fixed plate and the ejector plate; A positioning plate is arranged under the fixing plate, the positioning plates are respectively provided with positioning holes corresponding to the guide grooves, and can receive and position one end of the guide piece. 2. The electronic card connector according to claim 1, wherein a third fulcrum device is provided near the second fulcrum device further away from the pushing end. 3. The electronic card connector according to claim 2, wherein the guide member directly punches out a raised ridge on the ejection plate, and the guide groove is opposite to the raised ridge on the fixed plate. The ridge is provided with guide grooves of different lengths. The lengths of the guide grooves are determined according to the sequence of operation actions. The first fulcrum device is the longest, the third fulcrum device is the second, and the second fulcrum device is the shortest. 4. The electronic card connector according to claim 3, wherein the guide groove is a curved groove body.

Images