JP2006120482A - Card connector - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a card connector 10 preventing insertion of other cards if one card is inserted with a simple structure, miniaturizable, having no restriction for designing a circuit of a substrate, with no problem for high density formatioin, easy in housing designing, and easy in pulling out cards. <P>SOLUTION: A plurality of memory cards 50 are detachably inserted and pulled out in this card connector 10, and the card connector has a plurality of contacts 14 making contact with the connection parts of the plurality of the memory cards 50, and a housing 12 having a plurality of insertion ports 22 inserting the plurality of the memory cards 50, and with the contacts 14 arranged and held thereon. A required number of sliders 20 forming parts of the plurality of the insertion holes 22 and a required number of holders 18 movably fixing the sliders 20 are disposed at the prescribed locations of the housing 12, to allow only one kind of the memory card 50 to be inserted by the slider 20. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a card connector which can be used for various electronic / electric devices such as printers and card readers, and which can input / output signals to / from a memory card by inserting a plurality of types of memory cards. It relates to a structure that cannot be inserted at the same time.

  In recent years, with the spread of digital cameras and the like, memory cards having a large storage capacity and a compact shape have been used. The memory card is also, for example, an SD (Secure Digital memory card) (registered trademark) card (hereinafter simply referred to as an SD card) or a Memory Stick (registered trademark) card (hereinafter simply referred to as an MS card) depending on the characteristics of the device using the memory card. SmartMedia (registered trademark) card (hereinafter simply referred to as SM card), CompactFlash (registered trademark) card (hereinafter simply referred to as CF card), xD card (registered trademark) (hereinafter simply referred to as xD card), multimedia Various cards such as (registered trademark) cards (hereinafter simply referred to as MM cards) have come to be used. Accordingly, a memory card reader / writer is used in the computer main body or as an external device as a device for writing / reading to these various memory cards.

  As a matter of course, the memory card reader / writer is preferably compatible with various memory cards. Therefore, in the conventional memory card reader / writer, a card connector is arranged on the reader / writer main body, and various memory cards are provided. Can be inserted, and the inserted memory card can be read and written.

  As described above, there are various types of memory cards such as an SD card, an MS card, an SM card, a CF card, an xD card, and an MM card. The memory card reader / writer can handle all or some of these memory cards. Specifically, the card connector is provided with an insertion slot into which a corresponding memory card can be inserted. Here, an example corresponding to an SD card, an xD card, and an MS card will be described.

  For example, a card connector corresponding to three types of an SD card, an xD card, and an MS card can be connected to a terminal portion of each inserted memory card in a state where each memory card is inserted, and a plurality of cards can be connected in the housing. Contacts are arranged and held. By inserting the memory card, the memory card can be read / written. As an insertion slot into which the card connector can be inserted, an SD card is inserted into the insertion slot on the upper stage, an MS card is inserted into the insertion slot on the left side of the lower stage, and the insertion slot on the right side of the upper stage. Each insertion slot is provided in a structure in which an xD card is inserted.

In the card connector having such a structure, a desired memory card, for example, a CF card is inserted into the CF insertion slot, and information is read from and written to the CF card.
In a card connector into which a plurality of memory cards are inserted, an IC for controlling each memory card is shared. However, if two or more memory cards are inserted at the same time, an error may occur on the IC. It was. There are two possible methods for avoiding this error. One is to dedicate an IC for controlling each memory card, and the other is a connector structure in which two or more memory cards cannot be inserted simultaneously. Two things. The first proposal is very difficult to realize in consideration of the current dense board layout and the occupied area of the board where the miniaturization of devices is progressing, and leads to an increase in cost.
Therefore, as a second proposal, as a card connector having a structure that can prevent insertion of another card when one card is inserted even if it is a card connector having a plurality of card insertion openings, Patent Document 1 ( Japanese Patent Application Laid-Open No. 2003-297489) and Patent Document 2 (Japanese Patent Application No. 2004-161293) proposed by the present applicant are disclosed.
According to the summary of Japanese Patent Laid-Open No. 2003-297489, in order to provide a memory card connector that can prevent insertion of another memory card by inserting one of a plurality of insertable memory cards. A memory card connector into which a memory card can be inserted, and a plurality of insertion openings that open in a shape corresponding to the memory card to be inserted are provided, and a space is formed inside the insertion opening, and is inserted into the space. A connector body for providing a contact to be electrically connected to an electrode of the memory card, and provided on the outer side of the insertion slot, opening in a pair with the insertion slot in a shape corresponding to the memory card to be inserted. A memory card connector having a card insertion slot that opens away from a relative position, and a slide cover that is movable along the insertion opening surface. It has been disclosed. Therefore, when the pair of centers of the space portion and the card insertion slot coincide, the center of the pair of the other space portion and the card insertion opening opposite to the other space portion does not coincide. By the way, the claims include a memory card connector into which a plurality of memory cards can be inserted. The connector includes a housing and has a plurality of insertion openings that open in a shape corresponding to the inserted memory card. A space is formed inside, and a contact is provided in the space to be electrically connected to an electrode of a memory card to be inserted. A connector main body electrically connected to the memory card to be inserted, and insertion of the connector main body A slide cover that is provided on the outer side of the mouth and has a card insertion opening that opens in a pair with the insertion opening of the connector body in a shape corresponding to the memory card to be inserted, and is movable along the insertion opening surface of the connector body When the center of the space part of the pair of connector bodies and the card insertion slot of the slide cover coincide, the other pair of space parts and the opposite card insertion slot It is described as a memory card connector, characterized in that but do not match. According to the summary of Japanese Patent Application No. 2004-161293, when one card is inserted, the insertion of another card can be prevented, the size can be reduced, the circuit design of the board is not limited, and there is a problem in increasing the density. The purpose is to provide a card connector that is easy to design the housing and easy to remove the card, and has the required number of contacts that make contact with the connection portions of the plurality of memory cards and the plurality of insertions into which the plurality of memory cards are inserted. A card connector having a housing and a housing in which contacts are arranged and held, and at least one locking member that can be rotated or moved when a memory card is inserted into a predetermined position of the housing And at least one spring member that is displaceable when one type of memory card is inserted, and one type is provided by the lock member and the spring member. It is a card connector of the structure that only a memory card so as not to be inserted. By the way, in the scope of claims, as claimed in claim 1, there is provided a card connector into which a plurality of memory cards are detachably inserted, and a required number of contacts that come into contact with connecting portions of the plurality of memory cards, and a plurality of memories A card connector having a plurality of insertion openings into which cards are inserted and a housing in which the contacts are arranged and held, and is rotated when a memory card is inserted into a predetermined position of the housing. At least one lock member that can be moved and at least one spring member that can be displaced when one type of memory card is inserted are provided, and only one type of memory card is provided by the lock member and the spring member. A card connector, wherein a plurality of memory cards are detachably inserted and removed. A card connector having a required number of contacts that contact connection portions of a plurality of memory cards, a housing having a plurality of insertion holes into which a plurality of memory cards are inserted, and a housing in which the contacts are arranged and held. In the card connector, the housing is provided with two insertion ports arranged substantially in parallel and one insertion port above the insertion port, and a memory is provided in one of the insertion ports at an intermediate portion between the two insertion ports. A locking member that can be rotated or moved when a card is inserted, and a spring member that is displaceable when a memory card is inserted into the insertion slot on the lower side of the upper one insertion slot; 4. A card connector according to claim 3, wherein only one type of memory card can be inserted by the lock member and the spring member. Is inserted into the insertion port of the housing, the locking member rotates or moves, the locking member protrudes into the insertion port arranged in parallel with the inserted insertion port, and the spring member is moved by the locking member. The card connector according to claim 1 or 2, wherein one type of memory card is inserted into the insertion slot of the housing, so that only one type of memory card can be inserted. 3. The device according to claim 1, wherein the spring member is displaced when the card is inserted, and a part of the displaced spring member protrudes into another insertion slot so that only one type of memory card can be inserted. The card connector according to any one of claims 1 to 4, wherein the card connector has a common part with another insertion slot as required among the insertion openings. The card connector is described.

In the card connector having the structure of Patent Document 1, a slide cover which is a separate part is attached to the surface of the housing, the slide cover is slid in the lateral direction, and one kind of card insertion slot of the housing and one kind of slide cover are provided. Only the center of the card insertion slot is matched, and the centers of the other pairs of card insertion slots are not matched so that two or more memory cards cannot be inserted.
In recent years, the demand for further miniaturization of devices has been increasing, and the demand for miniaturization of connectors has also been increasing. In the structure of Patent Document 1, a slide cover is disposed in front of the fitting port. As a result, the size of the connector is reduced and the circuit design of the board is also limited (the connection part of the connector to the board cannot be placed on the mating side). The problem of increasing the density when installing the camera occurred.
In addition, because the structure requires that the slide cover slide on the housing surface, it is necessary to project the housing from the housing side, which makes it difficult to design the housing and lowers the shielding effect. There was also a problem.
Furthermore, in the structure as in Patent Document 1, since a slide cover which is a separate part is attached to the housing surface, when removing the card from the connector, the portion with the card is reduced and it is difficult to remove the card. there were.

  In the card connector having the structure as previously described in Patent Document 2 proposed by the present applicant, when the number of cards to be inserted is increased, a large number of lock members and spring members are required, and the structure may be complicated.

  The present invention has been made in view of such a conventional problem. With a simple structure, when one card is inserted, the insertion of another card can be prevented and the size of the board can be reduced. There is no limitation in circuit design, there is no hindrance to higher density, the housing design is easy, and a card connector that can be easily removed is provided.

  The purpose is a card connector 10 into which a plurality of memory cards 50 are detachably inserted, and a plurality of contacts 14 that come into contact with connecting portions of the plurality of memory cards 50 and a plurality of cards into which a plurality of memory cards 50 are inserted. In the card connector 10 having the insertion port 22 and the housing 12 in which the contacts 14 are arranged and held, a required number of forming a part of the plurality of insertion ports 22 at a predetermined position of the housing 12 is provided. This can be achieved by arranging the slider 20 and a required number of holders 18 for movably fixing the slider 20 so that only one type of memory card 50 can be inserted by the slider 20.

  In the case of having five insertion ports 22, the above object is a card connector 10 into which a plurality of memory cards 50 are detachably inserted, and a plurality of contacts 14 that come into contact with connecting portions of the plurality of memory cards 10. In the card connector 10 having a plurality of insertion ports 22 into which a plurality of memory cards 50 are inserted and a housing 12 in which the contacts 14 are arranged and held, the housing 12 is arranged substantially in parallel vertically and horizontally. The four insertion ports 22 and one insertion port 22 are provided in the middle lower part of the insertion ports 22 arranged on the left and right sides, and five sheets of the above-mentioned insertion ports 22 are provided at substantially the middle part of the left and right insertion ports 22 of the housing 12. A required number of sliders 20 forming a part of the insertion slot 22 and one holder 18 for movably fixing the slider 20 are arranged, and the slider The riders 20 can be achieved by so only one of the memory card 50 can not be inserted.

A part of the insertion port 22 is formed by a combination of the concave portion 30 and the convex portion 32.
Further, the four concave portions 30 form part of the four insertion ports 22 arranged vertically and right and left, and the one convex portion 50 forms a part of the middle lower insertion port 22.
Further, the slider 20 is provided with an insertion hole 28 into which the holder 18 is inserted, and the tip end portion of the holder 18 is alternately divided so that the slider 20 is movably fixed.

The slider 20 is provided with a vertically long insertion hole 28 into which the holder 18 is inserted, and the tip end portion of the holder 18 is alternately divided into three, and the slider 20 is fixed so as to be movable in the vertically long (thickness) direction.
Further, when the slider 20 moves, a part of the insertion slot 22 is formed by the combination of the recess 30 and the projection 32 so that the memory card 50 can be inserted into only one insertion slot 22. .

As apparent from the above description, according to the card connector 10 of the present invention, the following excellent remarkable effects can be obtained.
(1) A card connector 10 into which a plurality of memory cards 50 are detachably inserted, and a plurality of contacts 14 that come into contact with connecting portions of the plurality of memory cards 50, and a plurality of cards into which a plurality of memory cards 50 are inserted. In a card connector 10 having an insertion port 22 and a housing 12 in which the contacts 14 are arranged and held, a required number of sliders forming a part of the plurality of insertion ports 22 at a predetermined position of the housing 12 20 and the required number of holders 18 for movably fixing the slider 20 are arranged so that only one type of memory card 50 can be inserted by the slider 20. An error occurs in the IC that controls the memory card 50 because the memory card 50 cannot be inserted. Ku, the circuit design of the board is also no problem even simultaneously densified when it designed without limitation, and housing design if easy, could provide a removed if easy card connector 10 of the card 50.
(2) A card connector 10 into which a plurality of memory cards 50 are detachably inserted, and a plurality of contacts 14 that come into contact with connecting portions of the plurality of memory cards 50, and a plurality of cards into which a plurality of memory cards 50 are inserted. In a card connector 10 having an insertion port 22 and a housing 12 in which the contacts 14 are arranged and held, the housing 12 has four insertion ports 22 arranged substantially parallel to the upper and lower sides and the left and right sides, and left and right sides. Further, a single insertion port 22 is provided in the middle lower part of the insertion port 22, and a required number of parts of the five insertion ports 22 are formed in a substantially middle part of the left and right insertion ports 22 of the housing 12. A slider 20 and one holder 18 for movably fixing the slider 20 are arranged, and the slider 20 allows one kind of memory card 50 to be arranged. Since only one memory card 50 can of course be inserted with a simple structure, no error occurs in the IC that controls the memory card 50, and the circuit design of the board is designed without any restrictions. At the same time, it is possible to provide a card connector 10 that has no hindrance to high density, is easy to design a housing, and is easy to remove the card 50.
(3) Since a part of the insertion slot 22 is formed by the combination of the concave portion 30 and the convex portion 32, an IC for controlling the memory card 50 can be inserted because only one memory card 50 can naturally be inserted with a simple structure. The circuit design and the housing design of the board can be performed without causing an error.
(4) Since the four concave portions 32 form part of the four insertion ports 22 arranged vertically and horizontally, and the single convex portion 32 forms the middle lower portion of the insertion port 22. As a matter of course, since only one memory card 50 can be inserted with a simple structure, it is possible to design the circuit of the substrate and the housing without causing an error in the IC that controls the memory card 50.
(5) Since the insertion hole 28 into which the holder 18 is inserted is provided in the slider 20, the tip end portions of the holder 18 are alternately divided, and the slider 20 is movably fixed, the slider 20 can be easily moved. Since it can be movably fixed to the housing 12 and, of course, only one memory card 50 can be inserted, it is possible to design a circuit board or a housing without causing an error in an IC that controls the memory card 50.
(6) The slider 20 is provided with a vertically long insertion hole 28 into which the holder 18 is inserted, the tip of the holder 18 is alternately divided into three, and the slider 20 is fixed so as to be movable in the vertically long (thickness) direction. Therefore, the slider 20 can be easily fixed to the housing 12 so that it can be moved. Of course, only one memory card 50 can be inserted, so that no error occurs in the IC that controls the memory card 50. The housing can be designed.
(7) A part of the insertion port 22 is formed by a combination of the concave portion 30 and the convex portion 32 so that the card can be inserted into only one insertion port 22 as the slider 20 moves. Therefore, the slider 20 can be easily fixed to the housing 12 so that it can be moved. Of course, only one memory card 50 can be inserted by simply moving the slider 20, so that an error occurs in the IC that controls the memory card 50. The circuit design and the housing design of the board can be performed without doing so.

An embodiment of the card connector of the present invention will be described with reference to FIGS. FIG. 1 is a perspective view of the card connector of the present invention as seen from above the fitting side. FIG. 2 is a perspective view of the slider and the holder. FIG. 3 is a front view of the card connector of the present invention. FIG. 4 is an enlarged view of part A in FIG. 3 for explaining the state of the slider when a memory card is inserted into each insertion slot.
The card connector 10 according to one embodiment of the present invention mainly includes a housing 12, various contacts 14, a slider 20, and a holder 18.

  First, the housing 12 will be described. The housing 12 is an electrically insulating plastic and is manufactured by a known technique of injection molding. The material is appropriately selected in consideration of dimensional stability, workability, cost, etc. Generally, polybutylene terephthalate is used. (PBT), polyamide (66PA, 46PA), liquid crystal polymer (LCP), polycarbonate (PC), and synthetic materials thereof.

The housing 12 is provided with a required number of insertion ports 22 for inserting a plurality of types of memory cards 50, and in this embodiment, five memory cards 50 can be inserted. The insertion slot 22 has a shape and size along each memory card 50. The type of the memory card 50 inserted into the insertion slot 22 of this embodiment will be described. The insertion port 22 has one insertion below the middle between the four insertion ports 221, 223, 224, and 225 arranged substantially in parallel in the vertical and horizontal directions and the insertion ports 221, 223, 224, and 225 arranged on the left and right A mouth 222 is provided and arranged. As shown in FIG. 1, the upper left insertion slot 224 is for inserting the SD or MMC card 504, and the lower insertion slot 223 is for inserting the RS or MMC card 503. The stage insertion slot 225 is where the Memory-Stick Duo card 505 is inserted, the lower insertion slot 221 is where the Mini SD card 501 is inserted, and the middle lower insertion slot 222 is the Transflash card 502. Is inserted.
The housing 12 is provided with an insertion groove 26 in which a plurality of types of contacts 14 corresponding to the respective cards 50 to be inserted are mounted, and is fixed by press-fitting, hooking (lance), welding or the like.

  The housing 12 is provided with a fixing hole 24 to which the holder 18 is fixed. The position of the fixing hole 24 takes into consideration the role of the holder 18 described below, the strength of the housing 12, the miniaturization of the connector 10, and the like. And design accordingly. In this embodiment, it is provided at a substantially middle portion (substantially the center in the longitudinal direction of the card connector 10) of the four insertion ports 221, 223, 224, and 225 arranged substantially parallel to the left and right. The size of the fixing hole 24 is designed in consideration of the holding force of the holder 18.

Next, the slider 20 which is the point of the present invention will be described.
This slider is an electrically insulating plastic in the present embodiment, and is manufactured by a known injection molding. This material is appropriately selected in consideration of dimensional stability, workability, cost, etc. Examples thereof include polybutylene terephthalate (PBT), polyamide (66PA, 46PA), liquid crystal polymer (LCP), polycarbonate (PC), and synthetic materials thereof. Further, if the role described below can be satisfied, metal may be used, and the material in that case may be the same as that of the holder.

The slider 20 has a substantially rectangular shape, and a vertically long insertion hole 28 is provided at a substantially central portion in the width direction. Therefore, the slider 20 is movable in the vertical (thickness) direction in this embodiment. The insertion hole 28 is where the holder 18 is inserted, and the slider 20 is movable. The shape and size of the insertion hole 28 may be designed as long as the holder 18 can be inserted and the slider 20 can be moved. In this embodiment, the slider 2 is made larger by about 0.1 to 0.3 mm.
At the peripheral portion of the insertion hole 28, there is provided a locking portion 33 with which the fixing piece 34 of the holder 18 is engaged as shown in FIG. The locking portion 33 is a portion with which the fixed piece 34 is engaged, and the shape and size thereof are appropriately designed so that the slider 20 can move and the fixed piece 34 does not protrude.

  The slider 20 is provided with a required number of concave portions 30 and convex portions 32, and a combination of the concave portions 30 and convex portions 32 forms a part of the insertion port 22 of the housing 12. That is, in the present embodiment, four concave portions 30 and one convex portion 32 are provided, and four insertion ports 221, 223, 224, and 225 that are arranged substantially in parallel vertically and horizontally in the four concave portions 30 are provided. A part is formed, and one convex portion 32 forms a part of the middle lower insertion port 222. The size of the concave portion 30 and the convex portion 32 is such that when one memory card 50 is inserted and when the slider 20 moves, the other concave portion 30 and the convex portion 32 are not inserted. It is designed as appropriate so that other memory cards 50 do not enter by partly protruding into the card 22.

  Next, the holder which is another point of the present invention will be described. This holder is made of metal in this embodiment, and is manufactured by a known press working. As the material of the holder, dimensional stability, moldability, and the like are required, and examples thereof include brass, beryllium copper, and phosphor bronze. Further, if the role described below can be satisfied, an electrically insulating plastic may be used, and the material in that case can be the same as that of the slider.

The holder 18 is substantially plate-shaped, and the holder 18 movably fixes the fixing portion fixed to the fixing hole 24 of the housing 12 and the slider 20 and engages with the slider 20. And a piece 34. The holder 18 is fixed to the housing 12 by press fitting or hooking.
The role of the holder 18 is to fix the slider 20 movably.

  In order to fix the slider 20 so as to be movable, a fixing piece 34 that is alternately divided into three pieces is provided at the tip of the holder 18. When the fixing piece 34 is engaged with the slider 20, the slider 20 is fixed to the housing 12 so as to be movable. The shape, size, and number of the fixing pieces 34 are appropriately designed so that the slider 20 can be engaged and the slider 20 is movably fixed to the housing 12. In this embodiment, the sheet is divided into three sheets in consideration of the stability of movement.

  Next, a plurality of types of contacts 14 will be described. The plurality of types of contacts 14 are made of metal and are manufactured by a known press working. The material of the contact 14 is required to be springy or conductive, and can include brass, beryllium copper, phosphor bronze, and the like.

The plurality of types of contacts 14 mainly include a contact portion that contacts the connection portion of the memory card 50, a fixed portion that is fixed to the housing 12, and a connection portion that is connected to the substrate. Considering the insertion opening 22 of the housing 12, the plurality of types of contacts 14 of this embodiment include a MiniSD card contact 141, a Transflash card contact 142, an RS or MMC card contact 143, and an SD or MMC card contact 144. Memory-Stick Duo card contact 145 is fixed at a predetermined position. The connecting portions of the respective contacts 141, 142, 143, 144, and 145 are appropriately designed in consideration of the circuit design and occupation area of the board, the size and design of the connector 10. In this embodiment, the connecting portion of the SD or MMC card contact 144 and the Memory-Stick Duo card contact 145 is arranged on the opposite side of the insertion slot 22, and the MiniSD card contact 141, the Transflash card contact 142 and the RS or MMC. The connecting portion of the card contact 143 is disposed on the insertion port 22 side.
Further, the contact portions of the respective contacts 141, 142, 143, 144, and 145 protrude into the respective insertion ports 22 and have a structure that can contact the inserted memory card 50. The position of the contact portion is appropriately designed in consideration of the position of the connection portion of the memory card 50 to be inserted, and the protruding amount is appropriately designed in consideration of the contact pressure with the memory card 50.

Finally, the operation of the slider 20 will be described with reference to FIG.
First, as shown in FIG. 4A, when the SD or MMC card 504 is inserted into the upper left insertion slot 224, the SD or MMC card 504 also enters the recess 30 corresponding to the upper left insertion slot 224. The slider 20 moves upward or downward, and the other concave portion 30 and the convex portion 32 protrude into the other insertion ports 221, 222, 223, and 225.
Next, when the RS or the MMC card 503 is inserted into the lower insertion slot 223 in the upper left stage as shown in FIG. 4B, the RS corresponding to the lower insertion slot 223 in the upper left stage is also RS. Alternatively, the MMC card 503 is inserted, the slider 20 moves upward or downward, and the other concave portions 30 and convex portions 32 protrude into the other insertion ports 221, 222, 224, and 225.
Next, when the Memory-Stick Duo card 505 is inserted into the upper right insertion slot 225 as shown in FIG. 4C, the Memory-Stick Duo card 505 is also inserted into the recess 30 corresponding to the upper right insertion slot 225. Then, the slider 20 moves upward or downward, and the other concave portions 30 and the convex portions 32 protrude into the other insertion ports 221, 222, 223, and 224.
Next, as shown in FIG. 4D, when the Mini SD card 501 is inserted into the lower insertion slot 221 at the upper right stage, the Mini SD card is also inserted into the recess 30 corresponding to the lower insertion slot 221 at the upper right stage. The card 501 enters, the slider 20 moves upward or downward, and the other concave portion 30 and the convex portion 32 protrude into the other insertion ports 222, 223, 224, and 225.
Finally, as shown in FIG. 4 (E), when the Transflash card 502 is inserted into the middle lower insertion slot 222, the convex portion 32 of the slider 20 is inserted into the Transflash card 502 inserted into the middle lower insertion slot 222. Moving upward, the recess 30 protrudes into the other insertion ports 221, 223, 224, 225.

  In the present embodiment, the card connector 10 in which the housing 12 is provided with the five insertion ports 22 has been described, but the number of the insertion ports 22 may be any number. By combining a plurality of the sliders 20 and the holders 18 described above, it is possible to appropriately design so that only one memory card 50 can be inserted.

  As an application example of the present invention, it relates to a structure that can be used for a card connector used in various electronic / electrical devices such as a printer and a card reader, and in particular, only one memory card can be inserted simultaneously.

It is a perspective view of the card connector of the present invention seen from the fitting side upper part. It is a perspective view of a slider and a holder. It is a front view of the card connector of the present invention. FIG. 4 is an enlarged view of part A in FIG. 3 for explaining the state of the slider when a memory card is inserted into each insertion slot.

Explanation of symbols

10 Connector 12 Housing 14 Contact 141 Mini SD Card Contact 142 Transflash Card Contact 143 RS or MMC Card Contact 144 SD or MMC Card Contact 145 Memory-Stick Duo Card Contact 18 Holder 20 Slider 22 Insertion Card 221 Mini Card 221 Mini Card Insertion slot 222 Transflash card insertion slot 223 RS or MMC card insertion slot 224 SD or MMC card insertion slot 225 Memory-Stick Duo card insertion slot 24 Fixed hole 26 Insertion groove 28 Insertion hole 30 Concave part 32 Convex part 33 Stop 34 Fixed piece 50 Memory card 501 Mini SD card 502 Transflash card 503 RS or MMC card 504 SD or MMC card 505 Memory-Stick Duo card

Claims (7)

A card connector into which a plurality of memory cards are detachably inserted, and has a plurality of contacts that come into contact with connecting portions of the plurality of memory cards, and a plurality of insertion ports into which a plurality of memory cards are inserted, and the contacts In a card connector comprising a housing that is arranged and held,
A predetermined number of sliders forming a part of the plurality of insertion openings and a required number of holders for movably fixing the sliders are arranged at predetermined positions of the housing, and the slider allows only one type of memory card. A card connector characterized in that it cannot be inserted. A card connector into which a plurality of memory cards are detachably inserted, and has a plurality of contacts that come into contact with connecting portions of the plurality of memory cards, and a plurality of insertion ports into which a plurality of memory cards are inserted, and the contacts In a card connector comprising a housing that is arranged and held,
The housing is provided with four insertion ports arranged substantially parallel to the top and bottom and the left and right, and one insertion port below the middle of the insertion ports arranged on the left and right, and substantially between the insertion ports on the left and right sides of the housing. The required number of sliders forming a part of the five insertion slots and one holder for movably fixing the sliders are arranged in the section so that only one type of memory card can be inserted by the slider. A card connector characterized by that. The card connector according to claim 1, wherein a part of the insertion opening is formed by a combination of a concave portion and a convex portion. The part of four said insertion openings arrange | positioned up and down and right and left by four recessed parts is formed, and a part of said insertion opening below middle is formed by one convex part. Card connector. 5. The card connector according to claim 3, wherein an insertion hole into which the holder is inserted is provided in the slider, the tip end portions of the holder are alternately divided, and the slider is movably fixed. 5. The slider according to claim 4, wherein the slider is provided with a vertically long insertion hole into which the holder is inserted, the tip of the holder is alternately divided into three, and the slider is fixed so as to be movable in the vertically long (thickness) direction. Card connector. 2. A part of the insertion slot is formed by a combination of the recess and the projection so that the memory card can be inserted into only one insertion slot when the slider moves. The card connector according to any one of?

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