CN2360976Y - Card withdrawal mechanism of electronic card connector - Google Patents

Abstract

A card ejection mechanism for an electronic card connector, which includes a pusher and a linkage device, wherein the pusher is a modular two-stage structure that can be assembled on the shielding shell of the electronic card connector, and is provided with a push rod One end of the slider is pivotally connected to the push rod, and the other end extends a convex part and is inserted into the track of the template. When the push rod compresses the elastic part and moves forward, the slide The convex part of the block slides along the specific track of the track to control the movement stroke of the push rod, and pushes the driven rod in front of the push rod to drive the movement of the linkage device to withdraw the electronic card, so as to achieve the purpose of component assembly and card ejection.

Description

Card Ejection Mechanism for Electronic Card Connector

The utility model relates to a card ejecting mechanism of an electronic card connector, in particular to a card ejecting mechanism of an electronic card connector which has a componentized pushing device and ejects cards in two stages.

Usually, the electronic card connector is equipped with a card ejection mechanism, so as to smoothly withdraw the electronic card from the guide frame of the electronic card connector. Chinese Taiwan Patent Nos. 83111731, 83205851, 85103753, 86210606 and other documents disclose a type of existing electronic card connector card return mechanism, as shown in Figure 1, the push device 4 of the existing electronic card connector card return mechanism is usually Set in the pre-injection-molded cavity 51 of the plastic guide frame 5 of the electronic card connector, since there are many components of the card ejection pushing device 4, after being assembled into the cavity 51 of the plastic guide frame 5, the plastic will guide The rack 5 increases the volume, causing the electronic card connector to occupy a larger space. Moreover, the existing electronic card connector only covers the conductive terminals (not shown) with the shielding body 6 to electromagnetically shield the conductive terminals. However, the number of electronic components around the electronic card connector is increasing day by day. The electromagnetic interference also increases accordingly, and the existing shielding body only covers the top of the conductive terminal, which is obviously difficult to achieve the purpose of overall and comprehensive prevention of electromagnetic interference.

The purpose of the utility model is to provide a card ejection mechanism of the electronic card connector, which can be conveniently and quickly assembled on the metal shielding shell of the electronic card connector according to the needs, so as to achieve flexible and convenient assembly, good card ejection performance and The effect of taking up little installation space.

The purpose of this utility model is achieved in the following way: the pushing device including components such as a push rod, a slider, a template, an elastic piece and a fixing frame is assembled on the shielding housing of the electronic card connector, wherein the template is provided with a The groove track of a specific track, and one end of the slider is provided with a matching part that can be sleeved on the pivot joint of the push rod, and the other end is provided with a convex part, and the convex part is inserted into the groove track of the template, and the push rod The sliding block can be driven to slide along the specific track of the groove track in the formwork through the pivot joint, and the movement stroke of the push rod can be controlled by the sliding of the sliding block. When pushing the push rod to compress the elastic member and move forward, it pushes the driven rod installed in front of it to drive the linkage device pivoted on the electronic card connector to move, and push the electronic card away from the conductive terminal of the electronic card connector And quit.

Compared with the prior art, the modular two-stage push device of the utility model is designed as an independent component, which can be assembled to the shielding shell of the electronic card connector through the plug-in device on it when assembly is required On the body, and if the pushing device is not needed, it can be disassembled from the shielding shell conveniently and quickly, so that the utility model has the outstanding advantages of flexible and convenient installation and can save the installation space occupied by the electronic card connector.

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

FIG. 1 is a perspective view of a conventional electronic card connector.

Fig. 2 is a three-dimensional exploded view of some components of the utility model.

Fig. 3 is a three-dimensional assembled view of the utility model.

Fig. 4 is a three-dimensional exploded view of the pushing device of the present invention.

Fig. 5 is a three-dimensional assembled view of the pushing device of the present invention.

Fig. 6 is a sectional view along line A-A in Fig. 5 .

As shown in Figure 2 and Figure 3, the utility model mainly includes a pushing device 1 and an interlocking device 2, wherein the interlocking device 2 includes components such as a driven rod 21, a rotating plate 22 and an exit plate 23, and the driven rod 21 One end of the rotating plate 22 is provided with a limit frame 211 vertically arranged with the driven rod 21, and one end of the rotating plate 22 is provided with an upper flap 223 that matches the bending of the limit frame 211 of the driven rod 21. This upper flap 223 can be turned from bottom to top. Insert inside bounding box 211. In addition, a protruding fulcrum 222 is provided on the rotating plate 22 opposite to the bending direction of the upper flap 223 , and an insertion hole 221 is defined at a middle section of the rotating plate 22 . The exit plate 23 is a longitudinally elongated plate body, on which two top sheets 232 are arranged adjacent to its two ends, and the bending direction of the top sheets 232 is the same as that of the upper flap 223. In addition, A bent insertion piece 231 is provided on the middle section of the ejection plate 23 adjacent to the top piece 232 , which can be inserted into the socket 221 provided on the rotating plate. The electronic card connector is further provided with a shielding shell 3, and the shielding shell 3 is provided with a plate body 31 corresponding to the shape of the electronic card (not shown), and the two side edges of the plate body 31 are bent to form two side walls 32, wherein a number of assembly openings 321 are opened on the appropriate position of the side wall 32, and the plate body 31 is adjacent to the side wall 32 and extends upward integrally with a support piece 33, adjacent to the support piece 33 is formed by the plate body 31 A receiving portion 34 is integrally extended in a direction perpendicular to the side wall 32, and a fulcrum hole 35 is provided on the plate body 31 corresponding to the fulcrum 222 of the rotating plate 22, and the fulcrum 222 can be inserted into the fulcrum hole 35 The pivotal connection process between the rotating plate 22 and the shielding housing 3 is completed.

As shown in FIG. 4 , FIG. 5 and FIG. 6 , the pushing device 1 includes components such as a slider 11 , a push rod 12 , an urging member 13 , a template 14 , a fixing frame 15 , and an elastic member. Wherein the slider 11 is a flat wedge-shaped body, one end of which is provided with a matching portion, which is usually a through hole 111 located at its end, and the other end protrudes toward one side to form a convex portion 112, the slider A pushing portion 113 is provided on the same end as the convex portion 112 . A pivot joint is provided at an appropriate position on one side of the push rod 12. This pivot joint is usually a protruding post 121 protruding downward from the middle section of the push rod 12. The through hole 131 and the through hole 111 of the slider 11 achieve the purpose of pivot connection. In addition, the template 14 is provided with a groove track 141 with a heart-shaped track. When the push rod 12 is pushed, the slider 11 takes the boss 121 as the axis, and the convex part 112 at the other end is inserted into the groove track 141 of the template 14. Inside, and can move along the heart-shaped track of this groove track 141. The front end of the push rod 12 is a cavity body 122, and the elastic member (a spring 10 in this embodiment) that can be elastically stretched and restored is accommodated in the cavity, and the front end of the template 14 is correspondingly provided with a stopper 142 . The pushing device 1 assembles the push rod 12, the urging member 13, the slider 11 and the template 14 sequentially from top to bottom, and then assembles them into the fixed frame 15 along the horizontal direction (as shown in FIG. 5 ), wherein the urging member 13 has a certain degree of elasticity, by which the push rod 12 on it and the slide block 11 and the template 14 located below it can be leaned against the upper and lower inner sides of the fixed frame 15, so that the members can be fixed in the fixed position. Can not loosen along up and down direction in the frame 15. Furthermore, the protrusion 143 at the rear end of the template 14 is snapped into the notch 152 at the corresponding position of the fixed frame 15, and the locking piece 153 protruding inwardly on the appropriate position on the corresponding side of the fixed frame 15 is also inserted into the bottom surface of the template 14. In the groove 144 (as shown in Figure 6), the components in the fixed frame 15 can not be loosened in the front and rear directions, so that the fixed frame 9 and all components in it can be assembled and fixed as a pusher 1 as a whole.

As shown in Figure 2 and Figure 3, when the utility model is assembled, the fixing piece 151 on the fixing frame 15 of the pushing device 1 is correspondingly inserted into the assembly opening 321 of the side wall of the shielding housing 3, so that the pushing device 1 can be stably fixed in the shielding on the housing 3. One end of the driven rod 21 of the interlocking device 2 passes through the supporting piece 33 of the shielding case 3 and is inserted into the pushing device 1, and abuts against the pushing end 113 of the slider 11, and the other end restricting frame 211 is placed on the receiving end. On the receiving portion 34 , when the driven rod 21 moves forward and backward, the limiting frame 211 can move forward and backward correspondingly on the receiving portion 34 . The insertion piece 231 of the withdrawal plate 23 is correspondingly inserted into the jack 221 of the rotating plate 22, and the insertion piece 231 leans forward against the bottom surface of the rotating plate 22, and then is inserted into the shield housing 3 through the fulcrum 222 on the rotating plate 22. In the fulcrum hole 35 , the withdrawing plate 23 and the rotating plate 22 are assembled on the shielding shell 3 and pivotally connected in a linked state. The upper flap 223 at one end of the rotating plate 22 is inserted into the limiting frame 211 of the driven rod 21 from bottom to upper, and the rotating plate 22 can move in the space limited by the limiting frame 211 .

Please refer to Fig. 3 and Fig. 4, when the push button 123 at one end of the push rod 12 is pushed, the slider protrusion 112 moves forward along the ab section path in the groove track 141 and simultaneously compresses the spring 10, and at the same time the slider 11 pushes against The end 113 slightly protrudes from the side of the template 14, and pushes the driven rod clamped between the pushing device 1 and the side wall of the shielding housing 3 to move forward, and the driven rod 21 drives the rotating plate 22 with the fulcrum 122 as the The shaft rotates, thereby driving the withdrawal plate 23 to move. When the push rod 12 was pushed forward to a certain degree and pushed against the stopper 142, the top plate 232 on the ejection plate 23 had withdrawn the electronic card, and now the convex portion 112 of the slider 11 was formed by the b in the groove track 141. The position slides to position c within the groove track 141 and stays there. When the push rod 12 is further pushed, due to the elastic extension of the elastic member, the convex portion 112 slides back to the position a from the position c through the position d, and a process of card ejection is completed.

Claims (10)

1. A card ejection mechanism of an electronic card connector, which can be assembled on the electronic card connector with a shielding shell, which includes a linkage device and components such as a push rod, an elastic member, a slider, a template, and a fixing frame The pushing device is characterized in that the push rod is provided with a hollow body and a pivot joint, the elastic member is accommodated in the hollow body, and the surface of the template is concavely provided with a closed groove track with a heart-shaped track, and one end of the slider A matching part is provided and pivotally connected to the pivoting part of the push rod, and the other end is provided with a convex part, which is inserted into the track of the template and can slide therein; one side of the fixed frame is provided with a docking port, The push rods, sliders and templates are stacked and installed sequentially from top to bottom, and are assembled into the fixing frame through the docking port to be firmly assembled into the overall structure of the push device. 2. The card ejecting mechanism of the electronic card connector as claimed in claim 1, wherein the push rod is a long body extending longitudinally, and the cavity body is arranged at one end of the push rod, and the cavity body A pushing portion is provided on the adjacent side of the push rod, and the pivoting portion is a post protruding from the middle position of one side of the push rod in a direction away from the side. 3. The card ejecting mechanism of the electronic card connector as claimed in claim 2, wherein the template is a longitudinally extending body, and one end corresponding to the hollow body of the push rod is provided with a stopper, and the elastic member is formed by One end protruding from the cavity is abutted against the stopper. 4 . The card ejecting mechanism of the electronic card connector according to claim 3 , wherein the elastic member of the pushing device is a set of elastically stretchable springs disposed in the cavity. 5. The card ejecting mechanism of the electronic card connector as claimed in claim 4, wherein the slider is a flat wedge-shaped body, and the matching part provided on it is a through hole located at one end of the slider and passing through the slider. The convex portion provided on the slider protrudes from the side surface of the other end of the slider away from the side surface. 6. The card ejecting mechanism of the electronic card connector as claimed in claim 5, wherein the pushing device is further provided with an urging member, and the urging member is a plate body with a through hole at one end, and the push rod The boss can pass through the through hole and the through hole of the sliding block, and the template can be pressed against the inner wall of the fixing frame by the elastic force of the plate body. 7. The card ejecting mechanism of the electronic card connector according to claim 6, wherein the heart-shaped closed track on the template is divided into different sections, and when the spring is compressed to the shortest or stretched to the longest, The protrusions on the slider are positioned at different positions on the track section relative to the stoppers provided on the track. 8. The card ejecting mechanism of the electronic card connector as claimed in claim 7, wherein the fixing frame extends a plurality of fixing pieces respectively from two adjacent walls of the docking port to the opposite direction of the docking port assembly direction, wherein It can be correspondingly combined with the assembly interface of the shielding case, so that the pushing device can be fixed on the shielding case. 9 . The card ejecting mechanism of an electronic card connector as claimed in claim 8 , wherein the holding device provided on the template is a bump and a groove respectively provided on the upper and lower surfaces of the template end. 10 . 10. The card ejecting mechanism of the electronic card connector as claimed in claim 9, wherein the corresponding holding device provided on the fixing frame is a concave hole and a concave hole respectively provided corresponding to the bump and the groove on the template. Locking plate.

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