CN2315675Y - electronic card connector - Google Patents

Abstract

An electronic card connector includes a connector body having a plurality of conductive terminals therebetween, a linking device connected to one side of the connector body, a card ejecting mechanism linked to the connector body and including a guide seat, an ejector plate, a fixing plate and a push rod, wherein the guide seat is connected to the linking device, the ejector plate is disposed near the connector body and has a push end and a drive end, three fulcrum devices are disposed therebetween, the fixing plate is disposed below the ejector plate, the push rod is disposed in the guide seat, one end of the push rod is connected to the drive end, the other end is a force applying end, and a positioning plate is disposed below the fixing plate of the card ejecting mechanism and can receive and position the fulcrum devices.

Description

electronic card connector

The utility model 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 the card 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 the electronic card connector is one of the necessary settings for portable computers. As shown in FIG. And the card ejection mechanism 52 etc., wherein the card ejection mechanism 52 includes a guide seat 521, a ejector plate 522, a rocker 523 and a push rod 524, etc., the guide seat 521 is arranged on both sides of the connector body 50, and the ejector plate 522 It is arranged parallel to the connector body 50 , and a buckling portion 5221 is provided in the center for buckling 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 purpose of this utility model is to provide an electronic card connector that can withdraw the electronic card in a labor-saving manner and has a simple structure. In the process, the electronic card is first ejected with a relatively large force arm, and then the electronic card is completely ejected with a relatively large force arm.

Another purpose of the electronic card connector of the utility model is to provide an electronic card connector with reliable card ejection operation, simple structure and convenient assembly. Through the mutual traction between components in the card ejection mechanism, the electronic card connector can The card return operation is in place.

The purpose of this utility model 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 One side of the connector body; a card ejection mechanism connected with the connector body, which includes a guide seat, a ejector plate, a fixing plate and a push rod, wherein the guide seat is connected with the engaging device, and the ejector The plate is located close to the connector body and has a push end and a drive end. 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, 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, and one end thereof is connected with the driving end of the ejecting plate, The other end is the force end.

The advantage of the utility model device is that it installs a card ejecting mechanism on the body of the connector, which can easily withdraw the electronic card completely; The structure is simple, the assembly is convenient, and the card return effect is good.

Below in conjunction with accompanying drawing, describe the embodiment of the utility model in detail, 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 combined view of the electronic card connector of the present invention;

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

Please refer to Fig. 3, which is a three-dimensional exploded 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 engaging device 11, and an ejection mechanism 12, wherein the connector A platform 100 is recessed on the main body 10, which is used to provide a receiving space for the positioning plate 13 described later, and several conductive terminals 101 are provided in it, which are used to communicate with the connector on the electronic card (not shown). Screw holes 102 are provided on both sides thereof 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. Furthermore, the other side of the fixing plate 121 is provided with a guide opening 1216 to provide space for the ejecting 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-in end 1230 and the drive end 1231 is a geometric plate body, which is placed flat on the connector body 10, wherein the push-in 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 all 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 3rd 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 set 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 utility model is shown in the above-mentioned figure 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, so that the ejector plate 123 The pushing end 1230 of the fixing plate 121 is positioned in the guide opening 1216 of the fixing plate 121 to complete the assembly (see FIG. 4 ).

Please refer to Figures 5A, 5B, 5C, and 5D, which are schematic diagrams of the operation of the card ejecting mechanism 12 of the present invention when ejecting the card. The figure shows the sliding state of the ejector plate 123 on the fixed plate 121, please refer to Figure 5A, After the electronic card (not shown) is inserted and positioned, the pushing end 1230 of the ejection plate 123 is pressed against the bottom end of the guide opening 1216 by the electronic card, and the driving end 1231 is relatively located below the pushing end 1230. In this situation The lower 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 until the electronic card is completely ejected, as shown in FIG. 5D , during this process, the electronic card is in a loose state ( has disengaged from the plugging of the connector body), so even if the force distance from the driving end 1231 to the guides 1212, 1213 is 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 pushed out in a disengaged state with a longer force arm in the first stage. 3. In the third stage, the electronic card that has been disconnected from the plug 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.

Claims (5)

1. An electronic card connector for receiving and withdrawing an electronic card, characterized in that it includes: a connector body with several 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. 2. The electronic card connector of claim 1, wherein at least a third fulcrum means is provided adjacent to said second fulcrum means. 3. The electronic card connector according to claim 2, wherein the fulcrum device comprises: a guide piece and a guide groove, both of which are arranged between the fixing plate and the ejection plate, and the guide piece The ridges are directly punched out on the exit plate, and the guide grooves are provided with guide grooves of different lengths on the fixed plate relative to the ridges. According to the sequence of operation actions, the opening of the guide grooves is determined according to the operation sequence. Length, 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. 5. The electronic card connector as claimed in claim 4, further comprising a positioning plate for accommodating and positioning one end of the guide member.

Images