JP2008047469A - Card connector - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a card connector capable of preventing certainly jumping out of a card at the time of ejecting the card. <P>SOLUTION: The card connector is provided with a housing 1 having a housing portion 11 to house a card 50 and an ejecting mechanism to eject the card installed in the housing portion. The ejecting mechanism comprises a slide member 4 which can freely slide in installation and ejecting direction of the card and a biasing member 5 which biases the slide member in the ejecting direction of the card; and a slide biasing member 8 which biases the slide member in the housing portion side direction and the insertion direction of the card when the slide member is at the ejected position is installed at the inner face of the housing. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a card connector in which a small card equipped with a memory or the like can be freely inserted and ejected, and more particularly to a card connector having a structure for preventing popping out when the card is ejected.

  Conventionally, in small electronic devices such as mobile phones and digital cameras, small cards equipped with memory, IC, etc. are used as external recording media, and this small card can be mounted and ejected to read and write information. Connectors are known. Such a card connector has a housing in which the card can be stored, and a discharge mechanism provided in the housing for easily discharging the card.

  The ejection mechanism includes a slide member that is slidable in the card mounting / removing direction and a lock mechanism that locks the slide member at the card mounting position. When the card is inserted into the housing, the card presses and slides the slide member. When the card is inserted to the deepest part and released, the slide member is locked at a position slightly returned by the lock mechanism. The card is inserted. When the card is pressed again to the deepest part in this state, the lock of the slide member by the lock mechanism is released, and the slide member discharges the card to the outside by the biasing by the spring.

When the card is ejected, the slide member is biased by a spring, so that the card moves from the mounting position to the ejection position at a predetermined speed. However, when the card reaches the ejection position, a stopper is used to prevent the slide member from popping out of the housing. Stopped. However, even if the slide member stops, the card continues to move in the ejecting direction due to the inertial force, and jumps out of the card connector. In order to prevent this, a concave portion is provided on the side surface of the card, and an engaging portion that engages with the concave portion of the card is provided on the slide member so that the card does not jump out of the discharging position due to inertial force. ing. An example of such a card connector is disclosed in Patent Document 1.
JP 2004-95449 A

  In the conventional card connector, the slide member is urged toward the concave portion of the card by the side urging member. Further, when the card is further pulled out from the state where it is stopped at the discharge position, the urging of the slide member to the concave portion of the card is released, and the engagement of the slide member to the concave portion of the card is also released. However, since the slide member moves vigorously by the urging force of the spring, and it is suddenly stopped by the stopper at a predetermined position, a large inertial force acts on the card so that the card is reliably stopped at the discharge position. It is difficult to adjust the bias of the slide member. For this reason, when the inertial force of the card is large, the card may continue to move from the discharge position toward the discharge direction and jump out to the outside as it is.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a card connector that can reliably prevent the card from popping out when the card is ejected.

In order to solve the above-described problems, a card connector according to the present invention includes a housing including a storage unit that stores a card, and a discharge mechanism that discharges the card attached to the storage unit. In a card connector having a slide member slidable in a card insertion / ejection direction and a biasing member for biasing the slide member in the card ejection direction,
A slide urging member is provided on the inner surface of the housing to urge the slide member in the storage portion side direction and the card insertion direction when the slide member is in the discharge position. Has been.

  In the card connector according to the present invention, the slide member has an engagement portion that engages with a recess formed on a side surface of the card, and the slide biasing member places the engagement portion inside the recess. It is configured to be biased in the direction.

  Furthermore, the card connector according to the present invention is characterized in that the slide member is formed with a pressing portion pressed by the slide biasing member at an outer position opposite to an inner position where the engaging portion is formed. It is configured as.

  Furthermore, in the card connector according to the present invention, the slide urging member is disposed such that a side pressing the slide member is inclined with respect to the side surface of the card, and a step portion is further provided at the tip portion. , And the pressing portion of the slide member has a step substantially matching the step portion of the slide urging member.

  According to the card connector of the present invention, the inner surface of the housing is provided with a slide urging member that urges the slide member in the storage portion side direction and the card insertion direction when the slide member is in the ejection position. As a result, the impact caused by the sudden stop of the slide member that slides vigorously due to the urging force of the urging member is alleviated by the slide urging member, and the card slide jumps out of the housing without stopping. Can be prevented.

  In the card connector according to the present invention, the slide member has an engagement portion that engages with a recess formed on the side surface of the card, and the slide biasing member applies the engagement portion toward the inside of the recess. By energizing, it is possible to energize so as to maintain the engagement between the engaging portion and the recess, and the card can be securely held by the slide member, so that the card can be prevented from popping out more reliably. be able to.

  Furthermore, according to the card connector of the present invention, the slide member is formed by forming the pressing portion pressed by the slide urging member at the outer position opposite to the inner position where the engaging portion is formed. Since the engaging portion of the member can be more firmly engaged with the concave portion, the card can be more reliably prevented from popping out.

  Furthermore, according to the card connector according to the present invention, the slide urging member is disposed such that the side pressing the slide member is inclined with respect to the side surface of the card, and the step portion is further provided with a stepped portion. The slide member pressing portion has a step substantially matching the step portion of the slide urging member, so that the slide urging member is inclined by the step portion inclined with respect to the slide member. By pressing, it can be surely biased toward both the storage portion side direction and the card insertion direction.

  Embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 shows a perspective view of a card connector in the present embodiment. As shown in this figure, the card connector in this embodiment forms a main body portion by a thin box-shaped housing 1 and a cover body 2 provided so as to cover the upper surface thereof. An insertion slot 10 is formed, and the card 50 can be inserted and discharged freely from the insertion slot 10. FIG. 1 shows the card 50 inserted into the housing 1 and locked.

  The housing 1 has a plurality of engaging projections 1a formed on two side surfaces orthogonal to the side surface on which the insertion port 10 is formed. The cover body 2 has surfaces that cover the two side surfaces of the housing 1 on which the engagement protrusions 1a are formed. The engagement portions 2a that engage with the engagement protrusions 1a correspond to these surfaces, respectively. The cover body 2 is fixed to the housing 1 by these.

  FIG. 2 shows a plan view of the card connector with the cover body 2 removed in a state where the card 50 is locked. As shown in this figure, the housing 1 is formed with a card storage portion 11 capable of storing a card 50 and a slide member storage portion 12 for storing the slide member 4 and the like adjacent thereto. On the bottom surface of the card storage unit 11, a terminal unit 3 is provided that contacts and conducts with a terminal (not shown) provided on the card 50 to exchange signals.

  The slide member storage portion 12 is provided with a slide member 4 that is slidable in the insertion / ejection direction of the card 50 in the housing 1 and an urging member 5 formed of a coil spring that urges the slide member 4 in the ejection direction of the card 50. Further, a lock mechanism 6 for locking the card 50 in the state shown in FIG. 2 is provided. The lock mechanism 6 is slidably engaged with the cam groove 9 formed over the side surface of the slide member 4 and the bottom surface of the housing 1 which is the inner peripheral surface of the main body and the lower surface of the cover body. The cam lever 7 is configured. The slide member 4 is not restricted in the vertical direction in the housing 1, and is held between the bottom surface of the housing 1 and the lower surface of the cover body 2 so as to have a degree of freedom in the vertical direction.

  The cam lever 7 is formed by bending a rod-shaped member, and is arranged so that the central base portion 30 faces the insertion / ejection direction of the card 50 and in parallel with the slide member 4 in the housing 1. Both end portions of 30 are bent at a substantially right angle to form a first leg portion 31 and a second leg portion 32, respectively. The end of the first leg portion 31 is inserted into the cam groove 9 to be engaged therewith, and is slidable. On the other hand, the end of the second leg portion 32 is urged against the end of the urging member 5.

  A concave portion 51 is formed on the side surface of the card 50, and a convex engaging portion 21 is formed on the inner surface of the tip of the slide member 4, and the engaging portion 21 engages with the concave portion 51 of the card 50. In addition, a card contact portion 20 that protrudes toward the card storage portion 11 side is formed at the back end portion of the slide member 4, and this contacts the back side inner surface of the card 50. Accordingly, when the card 50 is inserted, the slide member 4 is slid to the back side of the housing 1 together with the insertion of the card 50, and when the card 50 is discharged, the biasing member 5 causes the card 50 to be discharged in the discharging direction. The card 50 is slid in the ejection direction together with the sliding member 4 that slides.

  Further, a slide urging member 8 is disposed in the slide member storage portion 12 in the direction in which the card 50 is ejected from the slide member 4. The slide biasing member 8 is formed by bending a leaf spring. When the slide member 4 slides as the card 50 is ejected, the slide biasing member 8 is pressed in the insertion direction of the card 50 to stop the slide member 4. And preventing the card 50 from popping out. Details thereof will be described later.

  FIG. 3 shows an enlarged view near one end of the cam lever 7 in FIG. As shown in this figure, on the inner peripheral surface of the slide member housing portion 12 formed in the housing 1, the first swing fulcrum 13 for holding the cam lever 7 near both sides of the bent portion of the second leg portion 32. And a second swing fulcrum 14 are formed. The cam lever 7 is held by the first swing fulcrum 13 and the second swing fulcrum 14, and the end of the second leg portion 32 is located in an approximately half of the radial direction of the end of the biasing member 5. It abuts and is biased toward the inner peripheral surface of the housing 1. The end of the second leg portion 32 can be brought into contact with the entire length of the end of the biasing member 5 in the radial direction. In this case, the end of the coil spring constituting the biasing member 5 is The contact state between the urging member 5 and the second leg portion 32 may become unstable depending on the position in the circumferential direction. Therefore, the configuration as shown in FIG. 3 is preferable.

  In the cam lever 7, the second leg portion 32 is pressed and urged toward the inner surface side of the housing 1 by the end of the urging member 5. 13 and the second swinging fulcrum 14, the first leg 31 is biased toward the cam groove 9. As a result, even if the cam lever 7 slides in the cam groove 9 as the slide member 4 slides, the engaged state with respect to the cam groove 9 can be maintained.

  Moreover, about the press by the biasing member 5 of the 2nd leg part 32 of the cam lever 7, another aspect can also be taken. In FIG. 4, the enlarged view shown about another form of the press of the cam lever 7 by the biasing member 5 is shown. As shown in this figure, the vicinity of the end portion of the second leg portion 32 is formed in a substantially L shape, and the bent end portion is inserted inward from the end portion of the biasing member 5. Since the end of the second leg portion 32 is inserted from the end of the urging member 5 in this way, the urging member 5 and the cam lever 7 can be fixed during assembly. Can be improved.

  FIG. 5 is a perspective view of the slide member 4. In the drawing, the right side of the slide member 4 is the card 50 insertion side, and the left side is the card 50 discharge side. As shown in FIG. 5, a cam groove constituting portion 23 constituting the cam groove 9 is formed in a concave shape on the side surface of the slide member 4. The cam groove constituting portion 23 has a side wall that guides the sliding of the cam lever 7 as the slide member 4 slides, and is formed so as to have different paths when the card 50 is inserted and discharged. Yes. An insertion guide 23b is formed below the slide member 4 so that the cam lever 7 slides when the card 50 is inserted. On the upper side of the slide member 4, the cam lever 7 slides when the card 50 is ejected. A guide portion 23c is formed, and a locking portion 23a for locking the cam lever 7 is formed between the upper and lower two-stage insertion guide portion 23b and the discharge-time guide portion 23c. The insertion guide portion 23b and the ejection guide portion 23c merge on the insertion side of the card 50, and a guide portion 23d is formed on the insertion side.

  Here, in the cam groove constituting portion 23, the insertion guide portion 23b is the upper side wall of the cam groove 9, the discharge guide portion 23c is the lower side wall of the cam groove 9, and the guide portion 23d is the upper side of the cam groove 9. Each has a side wall. On the other hand, the lower side wall of the cam groove 9 corresponding to the guide part 23b at the time of insertion, the upper side wall of the cam groove 9 corresponding to the guide part 23c at the time of discharge, and the lower side of the cam groove 9 corresponding to the guide part 23d. The side wall is constituted by the bottom surface of the housing 1 and the lower surface of the cover body 2.

  FIG. 6 is a perspective view showing the card 50, the slide member 4, and the lock mechanism 6 in a state where the card 50 is locked. As shown in this figure, the cam lever 7 has the first leg 31 inserted into the cam groove 9 from the side and engaged. In the locked state of the card 50, the cam lever 7 is locked by a locking portion 23 a formed in the cam groove constituting portion 23 so that the slide member 4 does not slide.

  FIG. 7 shows a plan view of the card connector with the cover body 2 removed in a state where the card 50 can be taken out. As shown in this figure, in the detachable state of the card 50, the card 50 is in a position slid outward from the card storage 11 compared to the state shown in FIG. 2, and the slide member 4 is also on the discharge side of the card 50. It is in a slid state.

  In this state, the slide member 4 has the engaging portion 21 engaged with the concave portion 51 of the card 50, and the pressing portion 22 provided on the opposite side facing the engaging portion 21 is moved by the slide biasing member 8. The card 50 is biased toward the recess 51 side and the card insertion direction.

  The slide urging member 8 includes a side contact portion 40 that contacts the inner peripheral surface of the housing 1, and a spring portion that is folded back from the side contact portion 40 into a substantially U shape and extends in an inclined manner toward the slide member 4. 41, and the distal end portion of the spring portion 41 is further bent to form a stepped portion 42 having an inclined surface portion 42a and a distal end surface portion 42b.

  On the other hand, the pressing portion 22 of the slide member 4 is formed in a shape that substantially matches the step portion 42 of the slide urging member 8. Thus, when the slide member 4 slides to the ejectable position of the card 50, the pressing portion 22 is pressed by the step portion 42 of the slide urging member 8, and is pressed in the direction indicated by the arrow in FIG. This pressing force has component forces in the two directions of the concave portion 51 side of the card 50 and the card insertion direction. Therefore, the slide member 4 is urged toward the two directions.

  Further, a stopper portion 15 that protrudes inward is formed on the inner peripheral surface of the housing 1 in the vicinity of the bent portion of the slide urging member 8, and the slide member 4 is opposed to the stopper portion 15. A contact surface 24 is formed. At the position where the slide member 4 is pressed against the slide biasing member 8, the slide member 4 is not in contact with the stopper portion 15 and is in a separated state. That is, when the slide member 4 is slid by the urging member 5 and moved to a position where the card 50 can be ejected, the slide member 4 comes into contact with the slide urging member 8 and the sliding operation is stopped only by the pressing.

  By configuring the slide member 4 and the slide biasing member 8 in this way, when the slide member 4 slides in the discharge direction by the biasing of the biasing member 5, the contact surface 24 of the slide member 4 becomes the inner periphery of the housing 1. Before abutting against the surface stopper portion 15, the pressing portion 22 of the slide member 4 abuts against the slide urging member 8, whereby the sliding operation is stopped, and the slide urging member 8 causes the slide member 4 to move to the card. It is urged not only in the 50 recess 51 side but also in the insertion direction of the card 50. Therefore, the impact caused by the sudden stop of the slide member 4 that has been slid by the urging force of the urging member 5 is alleviated by the slide urging member 8, and the card 50 slides out of the housing 1 without stopping. Can be prevented.

  Next, the operation of the lock mechanism 6 in ejecting and inserting the card 50 will be described. When the card 50 is pressed from the locked state shown in FIG. 2 to the deepest portion of the housing 1, the lock by the lock mechanism 6 is released, and the card 50 is ejected as the slide member 4 slides in the ejection direction. Slide in the direction. When the card 50 slides to the ejectable position, the slide member 4 is stopped by the slide urging member 8 as shown in FIG. 7, and the slide of the card 50 is also stopped. By further pulling out the card 50 from this state in the ejection direction, the engaged state between the slide member 4 and the card 50 is released, and the card 50 can be taken out of the housing 1.

  When the card 50 is inserted, the slide member 4 slides to the back side of the housing 1 as the card 50 is inserted. When the card 50 is inserted to the deepest part of the housing 1 and released, the cam lever 7 of the lock mechanism 6 is cammed. The card 50 is locked with the locking portion 23a of the groove 9 and the slide member 4 is locked. These processes will be described below.

  FIG. 8 shows a side sectional view in a state where the card 50 is locked. As shown in FIG. 6, when the card 50 is locked, the cam lever 7 is locked to a locking portion 23 a formed in the cam groove constituting portion 23 of the slide member 4. Further, the cover body 2 is formed with a pressing piece 2b bent in a substantially L shape downward near the end of the card 50 in the insertion direction, and the second leg portion 32 of the cam lever 7 is moved downward from above. It is pushing toward. Thus, the cam lever 7 is configured such that the base 30 and the first leg 31 can swing in the vertical direction.

  The cam groove constituting portion 23 of the slide member 4 is formed to have a width narrower than the diameter of the first leg portion 31 of the cam lever 7 in the portion of the guide portion 23b at the time of insertion and the guide portion 23c at the time of discharge. In the state of FIG. 8, a slight gap is formed between the upper surface of the slide member 4 and the lower surface of the cover body 2, and the portion on the side of the slide member 4 constituting the cam groove 9 is formed at the portion of the guide portion 23 c at the time of discharge. The distance between the side wall and the side wall on the cover body 2 side is set to be approximately the same width as the diameter of the first leg portion 31 of the cam lever 7.

  FIG. 9 shows a side sectional view in a state where the card 50 is pushed to the deepest part when the card 50 is ejected. As shown in this figure, when the card 50 is manually pushed from the locked state to the deepest part, the slide member 4 slides to the back side of the housing 1 and the cam lever 7 is locked in the locking portion 23a. It is released and slides in the cam groove 9 upward. When the hand that pushes in the card 50 is released in this state, the slide member 4 released from the locking by the cam lever 7 slides in the card 50 ejection direction by the urging force of the urging member 5. Along with this, the card 50 is also slid in the discharging direction.

  When the slide member 4 slides in the card 50 ejection direction, the cam lever 7 slides in the cam groove 9 through the upper path from the state shown in FIG. Here, a step portion 23e is formed on the locking portion 23a side of the cam groove constituting portion 23 so that the locking portion 23a side becomes higher as shown in FIG. Can slide through the upper path. Further, as described above, when the cam lever 7 is in the locking portion 23 a or the upper path, the width of the path is set to the first leg of the cam lever 7 due to the gap between the upper surface of the slide member 4 and the lower surface of the cover body 2. Since it is substantially the same as the diameter of the part 31, it can slide smoothly.

  FIG. 10 shows a side sectional view of the card 50 in a state where it can be taken out. This figure corresponds to the state of the plan view shown in FIG. As shown in FIG. 10, when the slide member 4 slides from the state shown in FIG. 9 in the card 50 ejection direction, the cam lever 7 passes through the upper path of the cam groove 9, and further passes through the portion of the guide portion 23d. Reach the neighborhood. As described above, the sliding of the slide member 4 is stopped by the slide urging member 8 so that the card 50 can be pulled out.

  FIG. 11 is a plan view of the card connector with the cover body 2 removed in a state where the card 50 is further pulled out from the state shown in FIG. As shown in this figure, when the card 50 is pulled out from the state shown in FIG. 7, the engagement state between the concave portion 51 of the card 50 and the engagement portion 21 of the slide member 4 is released, and the card 50 slides on the side surface of the card 50. The card 50 slides in a state where the member 4 and the slide biasing member 8 are pressed toward the inner peripheral surface of the housing 1. The slide member 4 slightly slides as the card 50 is pulled out, but the slide member 4 does not slide further to the discharge side because the contact surface 24 contacts the stopper portion 15 of the housing 1.

  FIG. 12 shows a side sectional view in the state of FIG. As shown in this figure, as the card 50 is pulled out, the slide member 4 slightly slides toward the discharge side, so that the cam lever 7 slides to the end of the guide portion 23d.

  FIG. 13 shows a side sectional view in a state where the card 50 is pushed to the deepest part when the card 50 is inserted. As shown in this figure, when the card 50 is pushed into the card storage portion 11, the slide member 4 slides in the housing 1 toward the back, and the cam lever 7 moves the cam groove 9 downward from the guide portion 23d. When the card 50 is pushed into the deepest part, the end part is reached. At this time, as shown in FIG. 5, between the guide portion 23d and the discharging guide portion 23c, the discharging guide portion is disposed so that the cam lever 7 slides reliably from the guide portion 23d to the inserting guide portion 23b. A step portion 23f is formed so as to be higher on the 23c side.

  Further, when the cam lever 7 slides along the lower path of the cam groove 9, the slide member 4 is pushed up by the cam lever 7, so that a gap is formed between the lower surface of the slide member 4 and the bottom surface of the housing 1. The Thus, a gap corresponding to the diameter of the first leg portion 31 of the cam lever 7 is secured between the side wall of the slide member 4 constituting the cam groove 9 and the side wall on the housing 1 side.

  When the card 50 is pushed into the deepest part and then released, the slide member 4 slides in the card 50 discharge direction by the urging force of the urging member 5, but as shown in FIG. Since the step portion 23g is formed so that the guide portion 23b side is higher at the time of insertion than the position where the cam lever 7 is engaged in the pushed state, the cam lever 7 does not return to the guide portion 23b side at the time of insertion, and the locking portion 23a. It slides to the side and is locked by this to lock the slide member 4. As a result, the state shown in FIGS. 2 and 8 is restored.

  As described above, the cam groove 9 is constituted by the cam groove constituting portion 23 of the slide member 4, the bottom surface of the housing 1, and the lower surface of the cover body 2, so that it is not necessary to form all the side walls on the slide member 4. Therefore, the slide member 4 can be reduced in thickness, whereby the main body portion composed of the housing 1 and the cover body 2 can be reduced in thickness.

  Further, the width of the cam groove constituting portion 23 of the slide member 4 is formed to be smaller than the diameter of the first leg portion 31 of the cam lever 7, and the width of the cam groove 9 is changed according to the path through which the cam lever 7 passes. As a result, the slide member 4 can be further thinned, and the thickness can be further reduced.

  Although the embodiment of the present invention has been described above, the application of the present invention is not limited to this embodiment, and can be applied in various ways within the scope of its technical idea.

It is a perspective view of the connector for cards in this embodiment. It is a top view of the connector for cards which removed the cover body in the state in which the card | curd was locked. It is the enlarged view which showed the one end part vicinity of the cam lever. It is the enlarged view which showed another form of the one end part of a cam lever. It is a perspective view of a slide member. It is a perspective view of a card, a slide member, and a lock mechanism in a state where the card is locked. It is a top view of the connector for cards which removed the cover body in the state which can take out a card | curd. It is side part sectional drawing in the state in which the card | curd was locked. It is side part sectional drawing in the state pushed in to the deepest part at the time of card | curd discharge. It is side part sectional drawing in the state which can take out a card | curd. It is a top view of the connector for cards which removed the cover body in the state which has pulled out the card from the connector for cards. It is side part sectional drawing in the state which has pulled out the card | curd from the connector for cards. It is side part sectional drawing in the state pushed in to the deepest part at the time of card insertion.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Housing 2 Cover body 3 Terminal part 4 Slide member 5 Energizing member 6 Lock mechanism 7 Cam lever 8 Slide energizing member 9 Cam groove 10 Insertion slot 11 Card storage part 12 Slide member storage part 13 1st rocking | fluctuation support point 14 2nd 20 Card contact portion 21 Engagement portion 22 Press portion 23 Cam groove constituting portion 23a Locking portion 23b Insertion guide portion 23c Discharge guide portion 23d Guide portion 30 Base portion 31 First leg portion 32 Second leg portion 40 Side contact portion 41 Spring portion 42 Step portion 50 Card 51 Recessed portion

Claims (4)

A housing having a storage portion for storing the card; and a discharge mechanism for discharging the card mounted in the storage portion, the discharge mechanism being slidable in the insertion / discharge direction of the card; and the slide member A card connector having a biasing member that biases the card in the card ejection direction,
A slide urging member is provided on the inner surface of the housing to urge the slide member in the storage portion side direction and the card insertion direction when the slide member is in the discharge position. Card connector.   The slide member has an engagement portion that engages with a recess formed on a side surface of the card, and the slide biasing member biases the engagement portion toward the inside of the recess. Item 1. A card connector according to Item 1.   3. The card connector according to claim 2, wherein the slide member is formed with a pressing portion that is pressed by the slide urging member at an outer position opposite to an inner position where the engaging portion is formed.   The slide urging member is disposed such that a side that presses the slide member is inclined with respect to the side surface of the card, and a step portion is further formed at the tip, and the pressing portion of the slide member is 4. The card connector according to claim 3, wherein the card connector has a step substantially matching the step portion of the slide urging member.

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