JP2014154351A - Card connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a card connector which prevents unintentional deformation of a contact when a card body is inserted or removed and prevents short circuits due to erroneous contact.SOLUTION: A card connector 1 includes: a housing where a card insertion part, into which a card body 2 is inserted, is formed on a bottom plate part made of an insulative synthetic resin; and multiple contacts which contact with signal transmission terminals a1 to a6 exposed to one surface side of the card body 2. Each contact includes an elastic contact piece part where one end is formed as a support end part supported by the bottom plate part and the other end is formed as a movable end part which may move relative to the bottom plate part. In the card connector 1, the movable end part includes an insulative coating body formed by an insulative member and the insulative coating body is disposed between the movable end part and the card body 2.

Description

  The present invention relates to a card connector for connecting a card such as an IC card or a flash memory card to an electronic device such as a mobile phone or a smartphone.

  Conventionally, as an external storage medium of an electronic device such as a mobile phone or a smart phone, a card such as an IC card having a plurality of signal transmission terminals on one side is used, and a printed wiring mounted on the card and the electronic device. The board is electrically connected via a card connector.

  As a card used for the external storage medium, for example, a card having a structure as shown in FIG. 10 is used, and a plurality of signal transmission terminals (pads) a1 are formed by partitioning conductive metal thin plate materials in an insulated state. ˜a6 are formed, and one a1 of the signal transmission terminals is in conduction with the central portion a7 of the conductive metal thin plate material.

  A card connector used for connecting such a card includes a housing having a card insertion portion into which a card adapter or the like containing a card such as an IC card is inserted, and an elastic contact piece protruding from the bottom of the card insertion portion The signal transmission terminal (pad) formed on one side of the card held by the card body corresponds by inserting the card body into the card insertion portion. The printed circuit board and the card are electrically connected by contacting the elastic contact piece of the contact.

  Conventionally, there are widely used contacts having a cantilever structure in which the front end portion of the elastic contact piece in the card body insertion direction is supported on the bottom of the housing and the other end contact side is lifted from the bottom. Used (see, for example, Patent Document 1).

  However, when such a cantilevered contact is used, when the card body is inserted / extracted, especially when the card adapter or card tray when the card is not accommodated is pulled out, the card or card adapter is raised from the bottom surface. There is a risk that the elastic contact piece of the contact may collide with the tip of the elastic contact piece, causing the elastic contact piece of the contact to deform in an unintended direction and buckle.

  Therefore, in recent years, in order to prevent unintentional deformation of the contact, a contact having a U-shaped elastic contact piece with a contact portion formed on the top is used, and a card or a card adapter at the time of card body insertion / extraction operation, etc. A card connector has also been developed that avoids a collision between the elastic contact piece and the tip of the elastic contact piece, suppresses deformation of the elastic contact piece in an unintended direction, and prevents contact buckling (for example, (See Patent Document 2).

  In such a card connector, an opening window penetrating in the thickness direction of the bottom plate is formed in the bottom plate portion of the mold case, and one end of the U-shaped elastic contact piece is fixed to one end edge portion of the opening window. At the same time, the other end (movable end) side portion of the elastic contact piece is inserted into the movable window at the other end of the opening window to prevent the movable end from contacting the card body.

  In addition, in this card connector, in order to improve the elasticity (spring constant) of the elastic contact piece portion in order to cope with the reduction in size and height of the card connector, the sliding contact disposed under the movable end portion of the bottom plate portion. When the elastic contact piece is elastically deformed by being pressed by the card body as the card body is inserted, the movable end portion is in sliding contact with the sliding portion, and both ends of the elastic contact piece portion are supported by the bottom plate portion. To be.

JP-A-11-250202 JP 2008-097947 A

  However, in the conventional technology as described above, when the movement of the movable end portion in the lifting direction is not restricted, the movable end portion of the elastic contact piece portion is excessively lifted when the card body is inserted, or an impact is caused by dropping or the like. There is a risk that the elastic contact piece may be deformed by the addition, and in such a case, if a card as shown in FIG. 10 is used, a signal transmission terminal different from the signal transmission terminal to which the contact should be originally contacted There is a concern of short circuit due to erroneous contact.

  On the other hand, as in the conventional example shown in Patent Document 2, a shoulder portion protruding on the movable end portion is integrally provided on the bottom plate portion made of an insulating synthetic resin material, and movement of the movable end portion in the lifting direction is restricted. In this case, since the movable end made of the metal plate slides between the sliding part and the shoulder part with the elastic deformation of the elastic contact piece part, the insulating synthetic resin is applied to the edge part of the sliding movable end part. There is a risk that the inner surface of the slidable portion or shoulder portion will be shaved, and the shaved resin material may interfere with the contact between the contact and the signal transmission terminal, and the inner bottom portion or shoulder portion of the insertion groove may be shaved. When the movable end is hooked on the formed portion, the predetermined behavior of the elastic contact piece is hindered, and there is a concern about unintentional deformation or poor contact of the elastic contact piece.

  SUMMARY OF THE INVENTION The present invention has been made in view of the above-described conventional problems, and an object of the present invention is to provide a card connector that can prevent unintended deformation of a contact when a card body is inserted and removed, and that can prevent a short circuit due to erroneous contact of the contact. It is.

  The feature of the invention according to claim 1 for solving the conventional problems as described above is that a card has a bottom plate portion made of an insulating synthetic resin, and a card insertion portion into which a card body is inserted is formed on the bottom plate portion. And a plurality of contacts made of a conductive metal material that protrudes from the inner bottom of the card insertion portion and contacts a signal transmission terminal exposed on one side of the card body, and has one end on the contact. A support end supported by the bottom plate, a movable end that is movable with respect to the bottom plate, and a contact portion that contacts the signal transmission terminal between the support end and the movable end Is a card connector comprising an elastic contact piece formed in an arrangement that floats from the inner bottom of the card insertion portion, the movable end provided with an insulation covering made of an insulating member, and the insulation covering The movable end and This is because it is interposed between the card body.

  According to a second aspect of the present invention, in addition to the configuration of the first aspect, the insulating covering includes a card guiding portion inclined toward the front end side at one or both of the end portions in the card insertion / extraction direction. is there.

  According to a third aspect of the present invention, in addition to the configuration of the first or second aspect, an opening window is formed on the bottom plate portion in the card body insertion / extraction direction, and the support end portion is one end side edge of the opening window. The movable end side end portion of the elastic contact piece portion is inserted into the other end side of the opening window.

  According to a fourth aspect of the invention, in addition to the configuration of the first, second, or third aspect, the bottom plate portion is exposed on the inner bottom side of the card insertion portion and is disposed under the movable end portion. A metal sliding contact member integrally having a sliding contact surface portion; and when the card body is inserted into the card insertion portion and the elastic contact piece portion is elastically deformed by being pressed by the card body, the movable end The portion is in sliding contact with the sliding contact surface portion, and both ends of the elastic contact piece portion are supported by the bottom plate portion.

  According to a fifth aspect of the present invention, in addition to the configuration of the fourth aspect, a sliding portion in which a conductive metal material is exposed at the movable end portion and a side edge of the sliding portion extend in a horizontal direction. A fixed core portion having a shape, an insulating covering is fixed to the fixed core portion, and the sliding contact surface portion is disposed below the sliding portion.

  According to a sixth aspect of the present invention, in addition to the configuration of the first to fourth or fifth aspects, the insulating covering is formed integrally with the bottom plate portion via a formed connection portion, and the formed connection portion is provided. It is to be cut off from the bottom plate portion by removing.

  As described above, the card connector according to the present invention has a bottom plate portion made of an insulating synthetic resin, a housing in which a card insertion portion into which a card body is inserted is formed on the bottom plate portion, and the card insertion portion. A plurality of contacts made of a conductive metal material that protrudes from the inner bottom portion of the card body and contacts a signal transmission terminal exposed on one side of the card body, and a support end portion whose one end is supported by the bottom plate portion. The other end is a movable end that is movable with respect to the bottom plate portion, and a contact portion that contacts the signal transmission terminal between the support end portion and the movable end portion is formed from the inner bottom portion of the card insertion portion. In a card connector comprising an elastic contact piece formed in a raised arrangement, the movable end is provided with an insulating covering made of an insulating member, and the insulating covering is formed between the movable end and the card body. In between By the to be, it is possible to avoid contact between the edge and the card body of the resilient contact piece when the card body insertion, to prevent buckling of the contact. In addition, if the card body is inserted, the movable end of the elastic contact piece is excessively lifted, or the elastic contact piece is deformed by an impact caused by dropping or the like, so that the movable end of the bottom plate is Even if it is lifted from the inner bottom surface, the insulation coating is interposed between the movable end and the card body. It is possible to prevent contact with the other signal transmission terminal and to prevent a short circuit due to the erroneous contact.

  Further, in the present invention, the insulating covering body is provided with a card guiding portion inclined toward the front end side at one or both of the end portions in the card insertion / extraction direction, thereby suitably guiding the card body, Contact buckling due to contact of the card body with the edge of the contact can be prevented.

  Furthermore, in the present invention, an opening window facing the card body insertion / extraction direction is formed in the bottom plate portion, the support end portion is supported by one end side edge portion of the opening window, and the movable end of the elastic contact piece portion By inserting the side end into the other end of the opening window, the card connector can be reduced in height, and contact between the edge of the movable end and the card body can be avoided, and the contact can be buckled. Can be prevented.

  Furthermore, in the present invention, the bottom plate portion includes a metal sliding contact member that is exposed on the inner bottom side of the card insertion portion and integrally includes a sliding contact surface portion disposed below the movable end portion. When the card body is inserted into the card insertion portion and the elastic contact piece portion is pressed against the card body and is elastically deformed, the movable end portion is in sliding contact with the sliding contact surface portion, and the elastic contact piece portion By supporting the both ends of the base plate on the bottom plate portion, it is possible to achieve elastic contact even when the thickness of the conductive metal material constituting the contact must be reduced due to the downsizing of the card connector. It is possible to improve the elasticity (spring constant) of the one part, and because the part where the contact and the sliding contact surface part are in sliding contact with each other is formed of a metal material, It can prevent bad behavior etc. .

  In the present invention, the movable end portion is integrally provided with a sliding portion where a conductive metal material is exposed and a fixed core portion having a shape extending in a horizontal direction from a side edge of the sliding portion, An insulating covering is fixed to the core, and the sliding contact surface portion is disposed below the sliding portion, so that only the metal portion is provided on the sliding contact surface portion even if the movable end portion is provided with the insulating covering. Can be in sliding contact.

  Further, in the present invention, the insulating covering is formed integrally with the bottom plate portion via a formed connecting portion, and is separated from the bottom plate portion by removing the formed connecting portion, whereby a manufacturing process is performed. The manufacturing cost can be reduced.

It is a disassembled perspective view which shows an example of the card connector which concerns on this invention. It is a longitudinal cross-sectional view of a card connector same as the above. It is a bottom view which shows the card body (card tray) in FIG. It is a perspective view which shows the state which removed the shield cover of the housing in FIG. It is a perspective view which shows the state which looked at the housing same as the above from the lower side. It is a top view same as the above. (A) (b) is a perspective view which shows the contact of the near side of the state which fixed the insulation coating body. (A)-(c) is a schematic plan view for demonstrating the formation method of an insulation coating body. It is the elements on larger scale which show the near side contact part of the card connector concerning the present invention, and (a) is a card non-insertion state and (b) is a figure showing a card insertion state. It is a bottom view which shows an example of a card | curd.

  Next, an embodiment of the card connector according to the present invention will be described based on the embodiment shown in FIGS. Reference numeral 1 denotes a card connector. Further, the same components as those in the above-described conventional example will be described with the same reference numerals, and reference symbol A in the drawing represents a card such as an IC card.

  The card connector 1 includes a housing 4 having a card insertion portion 3 into which a card body 2 is inserted, and a plurality of contacts 5 and 5 made of a conductive metal material supported by the housing 4 and protruding from the inner bottom portion of the card insertion portion 3. .., 6, 6, and the signal transmission terminals a 1 to a 6 exposed on one side of the card body 2 inserted into the card insertion portion 3 come into contact with the corresponding contacts, thereby providing a card connector. 1, the card A and the connection board are electrically connected to each other.

  As shown in FIG. 3, the card body 2 includes a card tray 8 having a card accommodating portion 7 opened on the front end surface in the card insertion / removal direction, and the card A is inserted into the card tray 8 by inserting the card A from the opening. The signal transmission terminals a1 to a6 are accommodated with one side exposed.

  Further, the card tray 8 is provided with a drawer operation unit 9 at the front end, and the card held in the card tray 8 by pulling the card tray 8 out of the housing 4 by grasping the drawer operation unit 9 or the like. A can be pulled out from the card insertion portion 3.

  The card A is, for example, an IC card as shown in FIG. 10, which is formed in a rectangular shape having a long card overall length compared to the entire card width, and has a shape that is cut in an oblique direction at one corner of the rectangular shape. Aa is formed.

  The positioning portion Aa is stopped by a stopper 10 formed on the back side of the card storage portion 7 of the card tray 8, thereby positioning the card tray 8 and via the stopper 10. The pulling direction force acting on the card tray 8 is transmitted to the card A.

  A plurality of signal transmission terminals (pads) a1 to a6 are formed on one side of the card A by partitioning the conductive metal thin plate materials in an insulated state, and one of the signal transmission terminals a1 to a6 is a1. The conductive metal thin plate material is in a conductive state with the central portion a7.

  The housing 4 has a housing main body 12 having a bottom plate portion 11 made of an insulating synthetic resin and a shield cover 13 made of a conductive metal plate covering the upper surface portion, the back surface portion, and the side surface portion thereof, whereby the card insertion direction front side is obtained. It is formed in a hollow shape whose side ends are open.

  As shown in FIGS. 4 to 6, the housing main body 12 includes a flat bottom plate portion 11 made of synthetic resin and side wall portions 14 and 14 raised from both side edges of the bottom plate portion 11, and the upper surface side is recessed. A card insertion portion 3 having a shape is formed, and an upper surface portion thereof is covered with a shield cover 13.

  In the bottom plate portion 11, a plurality of rectangular back side opening windows 15, 15... Penetrating in the bottom plate thickness direction on the back side in the card body insertion direction are formed in parallel with each other in the connector width direction. A plurality of front side opening windows 16, 16... Penetrating in the thickness direction of the bottom plate are formed on the front side portion in the card insertion direction and arranged in parallel with each other in the connector width direction.

  Further, the bottom plate portion 11 is formed by press-working a conductive metal plate material, and the back side contacts 5, 5..., The near side contacts 6, 6,. The sliding contact members 17.17... Are integrally incorporated by insert molding, and the rear side contacts 5, 5,... Are aligned with the positions of the respective opening windows 15, 15. Are arranged in parallel with each other, and the contacts 6, 6... On the near side are arranged in parallel with each other in accordance with the positions of the respective opening windows 16, 16.

  The back side contacts 5, 5... Have a rectangular frame-shaped base portion 20, an elastic contact piece 21 that is cut and raised obliquely upward from the inner edge of the base portion 20, and the outer side of one outer edge of the base portion 20. And one end of the base 20 is embedded in the inner peripheral edge of the opening window 15 by insert molding, and the other end of the base 20 is connected to the inner peripheral edge of the opening window 15. The contact portion 21 a formed on the formed step portion 23 and formed at the tip of the elastic contact piece 21 protrudes from the bottom plate portion 11 through the opening window 15 and is lifted from the inner bottom portion of the card insertion portion 3. It has become so.

  Each of the contacts 5 on the back side has a downward elasticity of the elastic contact piece 21 when the card body 2 is inserted into the card insertion portion 3 and the elastic contact piece 21 receives a downward pressing force from the card body 2. In conjunction with the deformation, the base portion 20 can also be elastically deformed with the step portion 23 side end portion as a free end.

  The base portion 20 is elastically deformed in conjunction with the elastic contact piece portion 21, so that the contact 5 exhibits good elastic deformation characteristics and a stable contact state with respect to the card body 2 can be obtained. .

  Further, the board connection terminal portions 22 of the respective contacts 5, 5... Project outward from the back side edge of the bottom plate portion 11 and can be soldered to a pattern formed on the connection board.

  On the other hand, the contacts 6, 6... On the near side are formed by punching and folding a conductive metal plate material, as shown in FIG. 7, and are fixed pieces 30 embedded in the bottom plate portion 11 by insert molding. And the elastic contact piece 31 in a side view, a connecting piece 32 that connects the fixed piece 30 and the elastic contact piece 31, and a shape extending outward from one end of the fixed piece 30. The board connection terminal piece 33 is integrally provided.

  Further, each of the contacts 6, 6... On the front side includes an insulating cover 35 made of an insulating member on the movable end 34 of the elastic contact piece 31, and the insulating cover 35 is connected to the movable end 34 and the card body. Between the two.

  The fixed piece 30 is formed in an elongated plate shape in the card insertion / removal direction, and the board connection terminal piece 33 is integrally formed on the back side in the card insertion / removal direction, and the connection piece 32 is integrally formed on the front side.

  The board connection terminal piece 33 protrudes outward from the rear edge of the bottom plate part 11, is arranged in parallel with the board connection terminal piece 22 of the back contact 5, and is formed on the connection board. It can be connected to the connection pattern by soldering.

  The elastic contact piece 31 has a support end 36 that is supported at one end by the bottom plate portion 11 and has a movable end 34 that is movable with respect to the bottom plate portion 11 at the other end. When the contact portion 37 that contacts the signal transmission terminals a1 to a6 of the card body 2 is incorporated in the bottom plate 11 between the movable end portion 36 and the movable end portion 34, it is arranged so as to float from the inner bottom portion of the card insertion portion 3. Is formed.

  That is, the elastic contact piece 31 is bent in a circular arc shape at the support end side inclined piece 38 having a shape inclined toward the upper side in the card body insertion direction from the support end portion 36 and the support end side inclined piece 38. And a movable-side inclined piece 39 having a shape inclined from the other end side of the contact portion 37 toward the lower side in the card body 2 insertion direction. 37 and the movable side inclined piece 39 are formed in a square shape with the contact portion 37 as the top, and a movable end 34 is formed at the tip of the movable side inclined piece 39.

  The support end portion 36 is formed in an elongated flat plate shape facing the connector width direction, and the front side opening windows 16, 16. Are arranged on the stepped portion 40 formed on the front side edge portion of... And supported by the stepped portion 40.

  Further, the support end portion 36 is formed in a shape in which one end is extended in the connector width direction, and the end portion of the extended portion is connected to the fixed piece portion 30 via the connection piece portion 32, and the support end portion The elastic contact piece 31 and the fixed piece 30 are folded back from 36 and arranged in parallel in the card insertion / removal direction.

  The connecting piece 32 is exposed in the front opening window 16 and has a cantilevered support structure in which the fixed piece 30 side end is a fixed end and the support end 30 side end is a free end. It is formed and can be elastically deformed in conjunction with the elastic contact piece 31.

  When the connecting piece 32 is elastically deformed in conjunction with the elastic contact piece 31, the contact 6 exhibits good elastic deformation characteristics, and a stable contact state with respect to the card body 2 can be obtained. ing.

  The movable end 34 integrally includes a sliding portion 41 integrally formed on the distal end side of the movable inclined piece 39 and a fixed core portion 42 having a shape extending in the horizontal direction from the side edge of the sliding portion 41. An insulating covering 35 made of an insulating synthetic resin material is fixed to the upper surface portion of the fixed core portion 42. In the figure, reference numeral 43 denotes a fixing hole, and when the resin enters the fixing hole 43, the insulating covering 35 is firmly fixed to the fixing core portion.

  The sliding portion 41 made of a conductive metal material is in an exposed state and is slidably contacted with the upper surface of the sliding contact surface portion 44 as the elastic contact piece portion 31 is elastically deformed.

  The insulating covering 35 is formed in a rectangular shape with an insulating synthetic resin material, and a card guiding portion 45 that is inclined toward the front end side is formed at the end in the card insertion / removal direction.

  Further, the insulating covering 35 is formed in a shape in which a sufficient gap is formed between the inner opening edge 16 and the inner edge of the near-side opening window 16 so as not to hinder the movement of the movable end portion 34.

  Further, the insulating cover 35 is fixed to the fixed core portion 42 so as to have a certain thickness on the upper surface side of the movable end portion 34, and the front contacts 6, 6,... The movable end 34 is not in direct contact with the card body 2.

  The insulating covering 35 is formed integrally with the bottom plate portion 11 at the time of insert molding, is fixed to the movable end portion 34, and is formed so as to be movable with respect to the bottom plate portion 11 by being separated from the bottom plate portion 11. Yes.

  Specifically, the contacts 5, 5... 6, 6..., The sliding contact members 17.17. 14 is placed in a resin molding die, insert molding is performed in this state to form the bottom plate portion 11 made of an insulating synthetic resin, and the contacts 5, 5. .., Sliding contact members 17.17... And side wall members constituting the side wall portions 14 and 14 of the housing 4 are incorporated.

  The sliding portions 41 of the movable end portions 34 of the contacts 6, 6... On the near side are arranged so as to overlap the sliding contact surface portions 44 of the sliding contact members 17, 17.

  At the time of insert molding, the insulating covering 35 is formed integrally with the bottom plate portion 11 via the forming connection portion 46, and is integrated with the fixed core portion 42 and fixed to the movable end portion 34.

  The insulating covering 35 is formed such that a gap is formed between the outer peripheral surface thereof and the inner edges of the front opening windows 16, 16.

  Then, as shown in FIG. 8B to FIG. 8C, the insulating covering 35 is separated from the bottom plate portion 11 by removing the molding connecting portion 46 by cutting, and the movable end portion 34 is separated from the bottom plate portion 11. Can be moved.

  The sliding contact member 17 is formed by punching and bending a conductive metal plate material, and integrally includes a flat sliding contact surface portion 44 and an embedded portion 47 embedded in the bottom plate portion 11 by insert molding. The sliding contact surface portion 44 is disposed at the inner bottom portion of the corner of the front opening window 16, 16 ..., exposed to the inner bottom side of the card insertion portion 3 through the front opening window 16, 16 ..., and elastic. The contact piece 31 is arranged below the movable end 34, that is, below the sliding portion 41.

  The slidable contact member 17 is formed integrally with the back side contacts 5, 5... Via the cut piece portion 48, and after the insert molding, the cut piece portion 48 is removed by cutting. It is insulated from the contacts 5, 5.

  The card connector 1 thus configured has the elastic contact piece 31 formed in a U-shape, so that both ends of the elastic contact piece 31, particularly the movable end 34, are inserted when the card body 2 is inserted and removed. An edge part is hard to contact with the card | curd body 2, and the unintended deformation | transformation of the elastic contact piece part 31 can be prevented.

  Further, the card connector 1 is provided with the opening window 16 in the bottom plate portion 11, and the support end portion 36 and the movable end portion 34 of the elastic contact piece portion 31 are disposed in the opening window 16, respectively. The overall height of the card connector 1 can be reduced.

  Furthermore, by providing the movable end portion 34 with the insulating cover 35, the movable end portion 34 of the elastic contact piece 31 may be lifted excessively when the card body 2 is inserted, or an impact may be applied due to dropping or the like. Even if the elastic contact piece portion 31 is deformed and the movable end portion 34 is lifted from the inner bottom surface of the bottom plate portion 11, as shown in FIG. Since the insulating covering 35 is interposed between the contact 2 and the contact 2, the contact is prevented from being erroneously contacted, that is, the contact is prevented from coming into contact with a signal transmission terminal different from the signal transmission terminal to be contacted. Short circuit can be prevented.

  Furthermore, in this card connector 1, since the card cover 45 is provided in the insulating cover 35, the card body 2 is guided to the card guide 45 when the card body 2 is inserted and removed, and the edge of the movable end 34 is the card body. Unintentional deformation due to contact with 2 can be prevented.

  Further, in this card connector 1, the sliding portion 41 in which the conductive metal material is exposed at the movable end portion 34 of the elastic contact piece portion 31, and the fixed core having a shape extending in the horizontal direction from the side edge of the sliding portion 41. The card body 2 is inserted into the card insertion part 3 by integrally providing the part 42, the insulating cover body being fixed to the fixed core part 42, and the sliding contact surface part 44 being disposed below the sliding part 41. Then, the edge portion of the card body 2 comes into contact with the upper surface side of the support end side inclined piece 38 of the elastic contact piece portion 31, and when the card body 2 is further pushed, the elastic contact piece portion 31 is elastically deformed and the movable end portion 34. The sliding portion 41 of the movable end 34 comes into contact with the surface of the sliding contact surface portion 44 and the sliding portion 41 of the movable end 34 applies a reaction force to the sliding contact surface portion 44 against the downward pressing force of the card body 2. The sliding surface portion 44 is slid.

  On the other hand, the support end portion 40 is elastically deformed in conjunction with the elastic deformation of the elastic contact piece portion 31 so that the portion of the connecting piece portion 32 exposed in the front side opening window 16 is elastically deformed. It is adapted to be pressed against the stepped portion 40 formed in the above.

  Thereby, both ends of the elastic contact piece 31 are supported by the bottom plate portion 11, and the contact portion 37 can elastically contact the signal transmission terminals a1 to a6 with sufficient pressure.

  At that time, the sliding portion 41 where the conductive metal material is exposed slides against the metal sliding contact surface portion 44, so that the insulating synthetic resin material is scraped by the sliding. In addition, since there is no step due to shaving on the surface of the sliding contact surface portion 44, the movable end portion 34 can smoothly slide on the sliding contact surface portion 44, and the elastic contact piece portion 31 is stabilized. It can be operated.

  In the above-described embodiment, the example in which the insulating covering 35 is formed integrally with the bottom plate portion 11 at the time of insert molding and separated from the bottom plate portion 11 has been described. However, the insulating covering for the movable end portion 34 is described. The fixing of 35 is not limited to such a configuration, and may be fixed to the contact in advance before insert molding.

  In the above-described embodiment, an example in which the insulating covering 35 is formed into a rectangular shape with an insulating synthetic resin material and fixed to the fixed core portion 42 of the movable end 34 has been described. The configuration is not limited to the above-described embodiment, and may be formed, for example, by applying an insulating paint to the upper surface portion of the movable end portion 34 made of a conductive metal material.

  Further, in the above-described embodiment, the example in which the card body 2 is provided with the card tray 8 has been described. However, the card body 2 may be the card itself, or a card adapter may be used instead of the card tray 8. Good.

A card
a1 to a6 Signal transmission terminal (pad)
DESCRIPTION OF SYMBOLS 1 Card connector 2 Card body 3 Card insertion part 4 Housing 5 Contact 6 Contact 7 Card accommodating part 8 Card tray 9 Drawer operation part 10 Stopping part 11 Bottom plate part 12 Housing main body 13 Shield cover 14 Side wall part 15 Back side opening window 16 Front side Side opening window 17 Sliding contact member 20 Base 21 Elastic contact piece 31
22 substrate connection terminal portion 23 step portion 30 fixed piece portion 31 elastic contact piece portion 32 connecting piece portion 33 substrate connection terminal piece portion 34 movable end portion 35 insulating covering 36 support end portion 37 contact portion 38 support end portion side inclined piece 39 Movable side inclined piece 40 Step part 41 Sliding part 42 Fixed nucleus part 43 Fixed hole 44 Sliding contact surface part 45 Card guiding part 46 Molding connection part 47 Embedded part 48 Cutting piece part

Claims (6)

A housing having a bottom plate portion made of an insulating synthetic resin and having a card insertion portion on which the card body is inserted on the bottom plate portion, and protruding from the inner bottom portion of the card insertion portion on one side of the card body A plurality of contacts made of a conductive metal material in contact with the exposed signal transmission terminal,
One end of the contact is a support end supported by the bottom plate, the other end is a movable end movable with respect to the bottom plate, and the signal is between the support end and the movable end. In a card connector comprising an elastic contact piece formed in an arrangement in which a contact portion that comes into contact with a transmission terminal is lifted from an inner bottom portion of the card insertion portion,
A card connector characterized in that an insulating cover made of an insulating member is provided at the movable end, and the insulating cover is interposed between the movable end and the card body.   2. The card connector according to claim 1, wherein the insulating cover includes a card guiding portion that is inclined toward the front end side at one or both of the end portions in the card insertion / extraction direction.   An opening window facing the card body insertion / extraction direction is formed on the bottom plate portion, the support end portion is supported by one end side edge portion of the opening window, and the movable end side end portion of the elastic contact piece portion is the opening. The card connector according to claim 1, wherein the card connector is inserted into the other end of the window. The bottom plate portion includes a metal sliding contact member that is exposed on an inner bottom side of the card insertion portion and integrally includes a sliding contact surface portion disposed below the movable end portion,
When the card body is inserted into the card insertion portion, and the elastic contact piece is pressed against the card body and elastically deformed, the movable end portion is slidably contacted with the sliding contact surface portion, and the elastic contact piece portion The card connector according to claim 1, wherein both ends are supported by the bottom plate portion.   The movable end portion is integrally provided with a sliding portion where the conductive metal material is exposed and a fixed core portion having a shape extending in a horizontal direction from a side edge of the sliding portion, and the insulating core is provided on the fixed core portion. The card connector according to claim 4, wherein the sliding contact surface portion is disposed below the sliding portion.   The card according to claim 1, wherein the insulating covering is formed integrally with the bottom plate portion via a formed connecting portion, and is separated from the bottom plate portion by removing the formed connecting portion. connector.

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