JP2014041701A - Card connector and card connection structure of electronic equipment using card connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a card connector capable of properly preventing a card type body such as a card and a card tray from being inserted in a wrong way, and a card connection structure of electronic equipment using a card connector.SOLUTION: A wrong insertion prevention member 7 is formed which includes a housing 4 into which a card type body 2 is inserted and is arranged deep inside a card insertion part on one side in a connector width direction, and an avoidance part 8 is formed on one side of the front end of the card type body 2 in a card type body insertion direction not to interfere with the wrong insertion prevention member 7 up to a regular insertion position. The card type body 2 can be inserted up to the regular insertion position when inserted into the card insertion part 3 in a regular attitude, but the card type body 2 is regulated from moving to the regular insertion position as an end edge of the card type body 2 abuts against and is blocked by the wrong insertion prevention member 7 when the card type body is inserted into the card insertion part 3 not in an irregular attitude.

Description

  The present invention relates to a card connector for connecting a card such as an IC card to an electronic device such as a mobile phone or a smartphone, and a card connection structure of the electronic device using the card connector.

  In electronic devices such as mobile phones and smartphones, cards such as flash memory cards and IC cards are widely used as external storage media, and such cards are connected to electronic devices via a card connector provided in the electronic device. To be connected to.

  A card connector includes a card tray in which a card is accommodated, a housing having a card insertion portion in which the card tray is accommodated, and a plurality of contacts having elastic contact pieces protruding into the card insertion portion, and a card containing the card By inserting the tray into the card insertion portion, the information transmission terminal of the card is brought into contact with the corresponding contact.

  On the other hand, in such a card connector, if the card or the card tray is inserted in an incorrect posture, it may cause a failure of the electronic device. Therefore, measures are taken to prevent the card or the card tray from being erroneously inserted. (For example, see Patent Document 1).

  In the conventional card connector described in Patent Document 1, support pieces having different widths protruding from both sides of the bottom surface are formed on the card tray, the end surface of the card tray is asymmetric in the tray width direction, and the front surface of the housing A guide groove corresponding to the width of each support piece is formed on both side portions of the inner bottom of the card insertion portion opened in the card so that the card tray cannot be inserted into the housing in an irregular posture.

  On the other hand, the conventional card connector is provided with a card tray that cannot be detached from the housing so that the card tray can be pulled out only to a predetermined pulling position with respect to the housing, so that the card tray cannot be inserted into the housing in an irregular posture. Some have done.

JP 2009-9658 A

  However, in the card connector described in the above-mentioned Patent Document 1, it is difficult to sufficiently secure the protruding height of the support piece due to the thinning of the card tray accompanying the thinning of the card connector. If it is forced, it may be inserted into the housing regardless of the positions of the support piece and the guide groove, and this tendency is remarkable when the card is not received.

  In recent years, a metal plate material is sometimes used for the bottom plate portion of the card tray in order to reduce the thickness of the card tray. If such a card tray is erroneously inserted, the metal plate material comes into contact with a plurality of contacts. There was a possibility of causing a short circuit.

  In addition, if the above-mentioned card tray is attached to the housing so that it cannot be removed, the card tray can be prevented from being inserted incorrectly, but the card tray must be replaced when the card tray needs to be replaced due to damage to the card tray or a change in the card standard. Since the tray cannot be removed from the housing, there is a problem that only the card tray cannot be replaced.

  Therefore, in view of such a conventional problem, the present invention provides a card connector that can suitably prevent erroneous insertion of a card-like body such as a card or a card tray, and a card connection structure for an electronic device using the card connector. It was made for the purpose.

  The feature of the invention according to claim 1 for solving the conventional problems as described above and achieving an intended purpose is that a housing having a card insertion portion into which a card-like body is inserted, and a housing in the card insertion portion. In a card connector comprising a plurality of contacts that project and contact with a signal transmission terminal exposed on one side of the card-like body, an error that is arranged at one side in the connector width direction on the back side of the card insertion portion. An insertion preventing member is formed, and an avoiding portion is formed on one end of the card-like body in the insertion direction so as not to interfere with the erroneous insertion preventing member until reaching a regular insertion position. When inserted into the card insertion portion in a posture, it can be inserted to the regular insertion position, and when inserted into the card insertion portion in a non-regular posture, the edge of the card-like body is the erroneous insertion prevention member. The movement to the normal insertion position by being stopped by is restricted.

  According to a second aspect of the present invention, in addition to the configuration of the first aspect, the card-like body includes a tray member having a card accommodating portion in which a card is accommodated, and the tray member has the tray member in the insertion direction front end side. The avoidance part is formed.

  According to a third aspect of the present invention, in addition to the structure of the second aspect, the card has a card avoiding portion formed in a cutout shape on one side of one end portion, and the card avoiding portion is formed on the tray member. This is because the card avoidance part constitutes a part of the avoidance part by accommodating the part toward the front end side in the card-like body insertion direction.

  According to a fourth aspect of the present invention, in addition to the configuration of the third aspect, the tray member includes a card mis-insertion preventing member arranged to be shifted to one side in the tray width direction on the back side of the card housing portion. When the card is in a non-regular posture, the edge of the card is abutted against the card misinsertion preventing member, and the other end of the card is projected to the rear end side of the tray member. It is to have done.

  According to a fifth aspect of the present invention, in addition to the configuration of the first to third or fourth aspects, the card-like body includes a support piece protruding from at least one side of one side or both sides, and the end face shape is asymmetric. The opening shape of the card insertion part is formed in a shape corresponding to the asymmetric end face shape of the card-like body.

  According to a sixth aspect of the present invention, in addition to the configuration of the first to fourth or fifth aspects, the housing includes a case body having a mold base made of an insulating synthetic resin material, and the erroneous insertion preventing member is , And projecting integrally on the upper surface of the mold base of the case body.

  According to a seventh aspect of the present invention, in addition to the configuration of the first to fourth or fifth aspects, the housing includes a case main body having a mold base made of a synthetic resin material, and a top plate facing the mold base. It is formed by combining a shield cover made of a metal plate material having a portion, and the erroneous insertion prevention member is formed by cutting and raising the metal plate material constituting the top plate portion and projecting it to the mold base side.

  According to an eighth aspect of the present invention, in addition to the configuration of the seventh aspect, the erroneous insertion preventing member includes a receiving surface portion whose surface faces the front side in the card-like body insertion direction, and the card-like body is inserted into the receiving surface portion. It exists in the shape provided with the cross | intersection part which has been arrange | positioned in the direction back | inner side, and turned to the direction which cross | intersects the said receiving surface part.

  According to a ninth aspect of the present invention, in addition to the configuration of the first to fourth or fifth aspects, when the housing is attached to an electronic device, a part of the electronic device is introduced into the card insertion portion. The electronic device is partly configured to constitute the erroneous insertion preventing member.

  According to a tenth aspect of the present invention, there is provided a card connection structure for an electronic device using the card connector according to any one of the first to ninth aspects, wherein the electronic device is on the near side of the housing in the card-like body insertion direction. A detachable preventing body that is detachably accommodated, and when the card-like body is inserted into the card insertion portion in a non-regular posture, movement to the regular insertion position is restricted, and a front side end of the card-like body The portion protrudes toward the front side of the housing in the card-like body insertion direction, so that the attachment to the electronic device of the pull-out prevention body is regulated.

  The feature of the invention described in claim 11 is that, in addition to the structure of claim 10, the escape prevention body forms a part of a circuit for supplying power to the electronic device by being attached to the electronic device. It is in doing so.

  As described above, the card connector according to the present invention has a housing having a card insertion portion into which a card-like body is inserted, and a signal transmission terminal that protrudes into the card insertion portion and is exposed on one side of the card-like body. In the card connector comprising a plurality of contacts, a card insertion member is formed with a mis-insertion preventing member disposed at one side in the connector width direction on the back side of the card insertion portion, and the card-like body in the insertion direction tip. An avoiding portion is formed on one side so as not to interfere with the erroneous insertion preventing member until the normal insertion position is reached, and the card-like body reaches the normal insertion position when inserted into the card insertion portion in a normal posture. When inserted into the card insertion portion in a non-regular posture, the edge of the card-like body is abutted against the erroneous insertion preventing member and reaches the regular insertion position. By dynamic is to be regulated, it is possible to prevent erroneous insertion of the card-shaped body with a simple structure.

  Further, in the present invention, the card-like body includes a tray member having a card accommodating portion in which the card is accommodated, and the avoiding portion is formed on one end side in the insertion direction of the tray member. Incorrect insertion can be suitably prevented.

  Further, in the present invention, the card is formed with a card avoiding portion having a notch shape on one side of one end portion, and the card avoiding portion is accommodated in the tray member toward the front end side. By using the avoidance portion as a part of the avoidance portion, it is possible to suitably prevent erroneous insertion of the tray member and the card, and to reduce the size of the card-like body in the insertion direction. it can.

  Furthermore, in the present invention, the tray member includes a card mis-insertion preventing member disposed on one side in the tray width direction on the back side of the card housing portion, and when the card is in an irregular posture, Since the edge of the card is abutted against the card erroneous insertion preventing member and the other end of the card protrudes to the rear end side of the tray member, the card error with respect to the tray member can be prevented. Insertion can be suitably prevented.

  Further, in the present invention, the card-like body is provided with a support piece protruding from at least one side of one side or both sides, and is formed in an asymmetric end face shape, and the opening shape of the card insertion portion is asymmetrical of the card-like body. By being formed in a shape corresponding to the end face shape, it is possible to prevent double insertion of the card-like body.

  Further, in the present invention, the housing includes a case main body having a mold base made of an insulating synthetic resin material, and the erroneous insertion preventing member is integrally projected on the upper surface of the mold base of the case main body. Thus, an erroneous insertion preventing member can be suitably formed.

  Furthermore, in the present invention, the housing is formed by combining a case main body having a mold base made of a synthetic resin material and a shield cover made of a metal plate material having a top plate portion facing the mold base. The erroneous insertion preventing member can be suitably formed by cutting and raising the metal plate material constituting the top plate portion and projecting it toward the mold base side.

  In the present invention, the erroneous insertion preventing member is disposed on the back side of the card-like body in the card-like body insertion direction and on the back side of the card-like body in the card-like body insertion direction. By being formed into a shape having a crossing portion directed in the direction, it is possible to ensure high strength against the pushing force by the card-like body and expose the fracture surface of the metal plate material constituting the erroneous insertion preventing member. Without damage to the card-like body.

  The housing is formed such that a part of the electronic device is introduced into the card insertion portion when attached to the electronic device, and a part of the electronic device constitutes the erroneous insertion preventing member. Thereby, while being able to form an incorrect insertion prevention member suitably, a housing can be easily positioned with respect to an electronic device.

  Moreover, in the card connection structure of the electronic device using the card connector according to the present invention, the electronic device includes a withdrawal prevention body that is detachably accommodated on the front side of the housing in the card-like body insertion direction. When the body is inserted into the card insertion portion in a non-regular posture, movement to the regular insertion position is restricted, and the front end of the card-like body protrudes toward the front side of the housing in the card-like body insertion direction. Since the attachment of the pull-out prevention body to the electronic device is restricted, the use of the electronic device can be prevented in a state where the card is erroneously inserted.

  Further, in the present invention, the card-like body is erroneously inserted because the pull-out prevention body constitutes a part of a circuit for supplying power to the electronic device by being attached to the electronic device. In this state, power supply to the electronic device is prevented, and failure of the electronic device due to a short circuit can be prevented.

It is a perspective view which shows an example of the card connector which concerns on this invention. It is the perspective view seen from the back side of the card connector same as the above. It is a disassembled perspective view which shows the state which pulled out the card-shaped body same as the above. (A) is a top view which shows the card | curd in FIG. 3, (b) is the bottom view. (A) and (b) are perspective views which show a tray member same as the above. It is a rear view which shows the shape of the insertion side front end surface same as the above. It is a top view for demonstrating the accommodation state of the card | curd with respect to a tray member same as the above. It is a disassembled perspective view which shows the housing in FIG. It is a front view which shows the case main body in FIG. (A) and (b) are perspective views which show the shield cover in FIG. (A) is an enlarged plan view showing an erroneous insertion preventing member portion in FIG. 10, and (b) is an enlarged front view of the same. It is a bottom view showing a state where the bottom plate portion of the card connector is removed, (a) is a state in which the card-like body is inserted in a normal posture, (b) is a state in which the tray member alone is inserted in an irregular posture, (C) is a state in which the card and the tray member are in an irregular posture. It is a disassembled perspective view which shows the housing of the other Example of the card connector which concerns on this invention. It is a disassembled perspective view which shows the housing of the further another Example of the card connector which concerns on this invention. It is a top view which shows a tray member same as the above. It is a top view of the state which removed the shield cover of the card connector same as the above, (a) is the case where it is inserted with a normal posture and the tray bottom plate part is removed, (b) is the card with an irregular posture (C) is a case where the tray member is in an irregular posture. It is a perspective view which shows an example of the card connection structure of the electronic device using the card connector which concerns on this invention.

  Next, an embodiment of the present invention will be described based on the embodiment shown in FIGS. In the figure, symbol A is an electronic device such as a mobile phone or a smartphone, symbol 1 is a card connector, and symbol 2 is a card-like body.

  As shown in FIGS. 1 to 3, the card connector 1 includes a housing 4 having a card insertion portion 3 into which a card-like body 2 is inserted, and a plurality of contacts 5 having elastic contact pieces protruding into the card insertion portion 3. , 5... 6, 6..., And the card-like body 2 is inserted into the card insertion portion 3 until reaching a regular insertion position (hereinafter referred to as a regular insertion position P1). The plurality of signal transmission terminals 13, 13... Exposed on one side of the body 2 come into contact with the corresponding contacts 5, 5. The card 9 is electrically connected to the electronic device A through 6, 6.

  In addition, the card connector 1 is formed with an erroneous insertion preventing member 7 disposed at one side in the connector width direction on the back side of the card insertion portion 3 and at the one end of the card-like body 2 in the insertion direction. The avoiding portion 8 is formed so as not to interfere with the erroneous insertion preventing member 7 until reaching the regular insertion position P1.

  The card-like body 2 includes a tray member 11 having a concave card accommodating portion 10 opened on one side where the card 9 is accommodated, and forms the card-like body 2 with the card 9 and the tray member 11 when the card is accommodated. When the card is not accommodated, the card-like body 2 is formed by the tray member 11 alone.

  The card 9 is a small IC card as shown in FIG. 4, which is formed in a rectangular shape having a long card length as compared with the entire card width, and is cut in an oblique direction on one end portion side in the longitudinal direction. An avoidance portion 12 is formed.

  A pair of signal transmission terminal rows in which a plurality of signal transmission terminals 13, 13... Are arranged in the card width direction are formed on one side of the card 9 in parallel with an interval in the entire card length direction.

  As shown in FIGS. 5 and 6, the tray member 11 includes a flat tray bottom plate portion 14 and a pair of side wall portions 15 and 16 arranged so as to rise from both side edges of the tray bottom plate portion 14. A concave groove-shaped card accommodating portion 10 is formed by the portion 14 and both side wall portions 15 and 16, and the card 9 is in the normal posture, that is, the signal transmission terminals 13, 13. The card avoiding portion 12 is accommodated in a posture toward the tip side in the card-like body insertion direction.

  The tray bottom plate portion 14 is configured by a flat metal plate material, and a pair of side wall portions 15 and 16 made of an insulating synthetic resin material are opposed to each other with a space therebetween by integral molding, and from both side edges of the tray bottom plate portion 14. Integrated into the launch arrangement.

  One side wall 15 is provided with a stopper 17 having a shape projecting inwardly at the edge on the front end side in the card-like body insertion direction, and when the card 9 is received in the card storage 10 in a normal posture. The leading edge of the card 9 is stopped against the stopper 17.

  Further, the one side wall portion 15 is formed with a height in the tray thickness direction higher than that of the other side wall portion 16, and that portion constitutes a support piece 18 projecting on one side of the tray member 11, and the tray insertion side end surface shape is It is asymmetric in the tray width direction.

  The other side wall 16 is provided with a reduced-width stopper 19 having a shape projecting inwardly at the leading edge of the card-like body insertion direction, and together with the stopper 17 of the one sidewall 15, the tip of the tray member 11. It constitutes the end face.

  As shown in FIG. 5 (b), the reduced width contact stopper portion 19 is formed so that the extension direction length x 1 is shorter than the extension direction length x 2 of the other contact stop portion 17. So that it does not interfere with.

  In addition, on the inner side of the other side wall 16, a card misinsertion preventing member 20 is integrally projected on the front side of the reduced width stopper 19, and the card misinsertion preventing member 20 is provided at the back of the card housing 10. It is arranged so as to be shifted to one side in the tray width direction on the side.

  As shown in FIG. 5, the card misinsertion preventing member 20 is formed in a triangular shape in plan view that matches the shape of the card avoiding portion 12, and the card 9 is accommodated in the card accommodating portion 10 in a normal posture. As shown in FIG. 7A, the inclined surface 12 a of the card avoiding portion 12 is in contact with the near-side inclined surface 20 a of the card erroneous insertion preventing member 20.

  On the other hand, when the card 9 is in the non-regular posture, as shown in FIG. 7B, the edge of the card 9 interferes with the card mis-insertion preventing member 20 and is stopped. The part protrudes to the rear end side of the tray member 11.

  In addition, the card misinsertion preventing member 20 is formed in a shape projecting inward from the inner end face of the reduced width abutting stop portion 19. When the avoidance portion 8 is formed on the distal end side of the insertion preventing member 20 and the card 9 is accommodated in a normal posture, the card avoidance portion 12 constitutes a part of the avoidance portion 8 as shown in FIG. The avoidance portion 8 is formed between the reduced width contact stop portion 19 and the inclined surface 12 a of the card avoidance portion 12 and on the leading end side of the card misinsertion prevention member 20.

  In addition, a knob member 21 is integrally formed on the other side wall portion 16 at the end on the front side in the card-like body insertion direction, and the tray member 11 is moved to the card direction by operating the knob member 21 to move in the pulling direction. The card 9 can be pulled out from the insertion portion 3 and the card 9 is pulled out by the leading edge being pushed by the stopper portion 17.

  The knob member 21 is formed on one side of the front end of the card-like body insertion direction of the housing 4 when the card-like body 2, that is, the tray member 11 is inserted into the housing 4 to the normal insertion position. It fits in the recessed part 4a made.

  As shown in FIG. 8, the housing 4 includes a case body 23 having a mold base 22 made of an insulating synthetic resin and a shield cover 24 made of a conductive metal plate. It is formed in a hollow box shape.

  The depth of the card insertion portion 3 in the tray insertion / extraction direction is formed such that substantially the entire card-like body 2 is accommodated in the housing 4 at the regular insertion position.

  As shown in FIG. 9, the case main body 23 includes a mold base 22 made of an insulating synthetic resin material and a frame member 25 made of a conductive metal plate, and has a concave shape in front view with both ends opened in the card-like body insertion / extraction direction. The mold base 22 constitutes the inner bottom portion of the card insertion portion 3.

  The frame member 25 is formed by punching and bending a conductive metal plate material, and is provided with case side plate portions 27 and 27 in a shape bent vertically upward from both side edges of the bottom plate portion 26.

  In addition, the bottom plate portion 26 of the frame member 25 is formed in a shape in which a central portion thereof is broadly cut into a window shape, and the bottom surface of the mold base 22 is exposed to the bottom surface of the case body 23 through the cut portion. Yes.

  The mold base 22 is integrated with the bottom plate portion 26 of the frame member 25 by integral molding, and is formed in a flat plate shape so as to cover the inner bottom surface of the bottom plate portion of the frame member 25 except for the side portions. The grooved guide grooves 28a and 28b having different widths in the card-like body insertion / extraction direction with the bottom plate portion 26 of the frame member 25 as the bottom surface are formed in the portion, and the opening of the card insertion portion 3 is asymmetric in the connector width direction. It has a shape.

  The support piece 18 is inserted into the guide groove 28a only when the tray member 11 is inserted into the card insertion portion 3 in a normal posture.

  Also, the mold base 22 incorporates two types of contacts 5, 5 ..., 6, 6 ... having different shapes by integral molding in a two-row arrangement parallel to each other.

  Each of the contacts 5, 5..., 6, 6... Is formed by stamping and bending an electrically conductive metal material having elasticity, and a fixed piece fixed to the mold base 22. The elastic contact piece with the shape of supporting the base end and rising in an oblique direction, and the connection exposed to the bottom surface of the mold base 22 part, that is, the bottom surface of the case body 23, and connected to the printed wiring board by soldering or the like A signal piece of the card 9 is provided integrally with the terminal piece, and the elastic contact piece protrudes into the upper surface of the mold base 22, that is, into the card insertion portion 3 and is exposed on one side of the card-like body 2 inserted into the card insertion portion 3. It contacts the terminals 13, 13 ....

  As shown in FIG. 10, the shield cover 24 is formed by punching and bending a conductive metal plate material, and is bent vertically downward from a flat top plate portion 29 and both side portions of the top plate portion 29. The shield side plate portions 30 and 30 having a shape are integrally provided, and the top plate portion 29 is put on the upper surface portion of the case main body 23 by being incorporated in the case main body 23, and both the shield side plate portions 30 and 30 are connected to the case side plate portion 27, 27, the case main body bottom plate portion 26 and the top plate portion 29 are opposed to each other, and the card insertion portion 3 is formed therebetween.

  In the shield cover 24, a pair of tray stopper members 31 and 32 are integrally supported on one end edge of the top plate portion 29, that is, on both sides of the front edge portion in the card-like body insertion direction.

  Both tray stopper members 31, 32 include a stopper piece 33 that is bent vertically downward from the edge of the top plate portion 29, and a protruding piece 34 that is bent from the lower end of the stopper piece 33 toward the front side in the horizontal direction. The end surface of the tray member 11 inserted into the card insertion portion 3 is stopped against the stopper piece 33 at the regular insertion position P1.

  The tray stopper members 31 and 32 have different widths in the connector width direction of the stopper piece 33, one tray stopper member 31 is set to the width of the stopper portion 17 of the tray member 11, and the other tray stopper member 32 is set to the tray member 11. Corresponding to the widths of the reduced width contact stoppers 19.

  Further, the shield cover 24 is formed with the erroneous insertion preventing member 7 by cutting and raising a metal plate material constituting the top plate portion 29 inside the other tray stopper member 32, and bending the metal plate material. 23, the erroneous insertion preventing member 7 is arranged so as to be shifted to one side in the connector width direction on the back side of the card insertion portion 3.

  As shown in FIG. 11, the erroneous insertion prevention member 7 is disposed on the back side of the card-like body insertion direction of the receiving surface portion 35 and the receiving surface portion 35 with the surface facing the front side in the card-like body insertion direction. Are formed in a shape having a crossing portion 36 in a direction intersecting with the crossing.

  The intersecting portion 36 includes one intersecting side plate 38 that is bent vertically downward from the crease 37, an intersecting bottom plate 39 that is bent horizontally from the lower edge of the one intersecting side plate 38, and the other side of the intersecting bottom plate 39. And the other crossing side plate 40 bent vertically upward from the edge. The crossing side plates 38 and 40 and the crossing bottom plate 39 are formed in a U-shape in which a cross section in the card-like body insertion / extraction direction is opened upward.

  The receiving surface portion 35 is formed in a shape bent vertically from the front edge of the card-like body insertion direction of one of the intersecting side plates 38, and the surface thereof is directed to the front side of the card-like body insertion direction.

  As a result, the erroneous insertion preventing member 7 has a structure having a high proof strength against the force acting in the card-like body insertion direction, while the fracture surface due to the punching of the intersecting portion 36 is covered with the receiving surface portion 35, so that the tray The member 11 is not damaged.

  A pair of card stopper members 41, 41 arranged at a distance from each other on the center side of the front edge portion in the card-like body insertion direction are integrally supported on the top plate portion 29, and the card accommodated in the tray member 11. The end edge of 9 is stopped at the normal insertion position P1.

  The shield side plate portions 30, 30 are formed in an elongated plate shape, and include a locking hole 42 penetrating in the plate thickness direction with an interval in the longitudinal direction, and the locking hole 42 is formed outside the case side plate portions 27, 27. The case main body 23 and the shield cover 24 are incorporated by engaging the protruding locking projections 43 with each other.

  Note that, on both sides of the housing 4, the card-like body is inserted into a slide groove 44 formed on the side of the card-like body 2, that is, on the side of the tray member 11. An elastic retaining piece 45 is provided.

  The elastic retaining piece 45 is a cantilever plate-like cantilever with its tips directed toward the inner side by cutting and processing the metal plate materials constituting the case side plate portions 27 and 27 and the shield side plate portions 30 and 30. The spring pieces 45a and 45b are formed and overlapped.

  As the tray member 11 is inserted and removed, the elastic retaining piece 45 slides at the tip of the slide groove 44, and the inner end surface of the slide groove 44 at the tip end side is elastic when the tray member 11 is at a predetermined drawing position. When it is engaged with the retaining piece 45 and cannot be separated from the housing 4 below a certain force, it is detached from the housing 4 by being pulled out above a certain force.

  When the card-like body 2 is inserted in a normal posture, the card connector 1 configured as described above has a card-like body 2 with the avoidance portion 8 formed as shown in FIG. Since the body 2 does not interfere with the erroneous insertion preventing member 7, it can be inserted up to the regular insertion position P1.

  On the other hand, when the card-like body 2 is in the irregular posture shown in FIGS. 12B and 12C, the movement of the card-like body 2 to the regular insertion position P1 is restricted. .

  In the irregular posture shown in FIG. 12B, the tray member 11 is inserted into the card insertion portion 3 in the reverse direction. In this case, the insertion-side end surface shape of the tray member 11 is asymmetrical, and the opening shape of the card insertion portion 3 is asymmetrically matched with the end surface shape of the tray member 11, thereby restricting insertion of the card-like body 2. It has come to be.

  However, in the case of the thin card connector 1, the protruding height of the support piece 18 constituting the asymmetric shape of the tray member 11 is extremely low, and the tray member 11 is forcibly inserted into the card insertion portion 3 by forcibly inserting the tray member 11 into the card insertion portion 3. 11 may be inserted into the card insertion portion 3.

  In that case, since the side where the avoiding portion 8 of the front end portion of the tray member 11 is not formed is positioned on the erroneous insertion preventing member 7 side, the edge of the tray member 11, that is, the stopper portion 17 of the stopper member 17 is placed on the erroneous insertion preventing member 7. The end surface is stopped and the movement of the tray member 11 to the normal insertion position P1 is restricted, whereby the rear end portion of the card-like body 2 protrudes from the rear end of the housing 4 (P2 position).

  Next, in the irregular posture illustrated in FIG. 12C, the card 9 is in an irregular posture with respect to the tray member 11, that is, the front and back of the card 9 are reverse or front-back.

  In this case, as shown in FIG. 7 (b), the end of the card 9 where the card avoiding portion 12 is not formed is located on the card misinsertion preventing member 20 side. The edge is abutted against the card erroneous insertion preventing member 20, and the other end of the card 9 constituting the card-like body 2 protrudes from the end surface of the tray member 11.

  When the tray member 11 and the card 9 are each in an irregular posture, as shown in FIG. 12C, the tray member 11 and the card 9 protrude from the end surface of the housing 4 in a two-stage arrangement (P3 position).

  In the above embodiment, the example in which the erroneous insertion preventing member 7 is formed by cutting and processing the metal plate material constituting the top plate portion 29 of the shield cover 24 has been described. However, as shown in FIG. The insertion preventing member 50 may be integrally projected on the upper surface of the synthetic resin mold base 22. In addition, the same code | symbol is attached | subjected to the structure similar to the above-mentioned Example, and description is abbreviate | omitted.

  In the above-described embodiment, the tray member 11 is provided with the card erroneous insertion preventing member 20. However, the tray member 11 is not provided with the card erroneous insertion preventing member 20 and the reduced width stopper 19, You may make it like the Example shown in FIGS. In addition, the same code | symbol is attached | subjected to the structure similar to the above-mentioned Example, and description is abbreviate | omitted.

  The tray member 60 is not provided with the card misinsertion preventing member 20 and the reduced width stopper 19, and when the card 9 is not inserted, the inner side of the other side wall 16 of the card accommodation unit 10 forms the avoidance unit 8. At the time of insertion, an avoidance portion 61 is formed between the other side wall portion 16 and the inclined surface 12 a of the card avoidance portion 12.

  On the other hand, as shown in FIG. 14, the erroneous insertion preventing member 62 protrudes integrally on the upper surface of the mold base 22 and is formed in a triangular shape in plan view that matches the shape of the card avoidance portion 12.

  In this case, when the tray member 60 is in the normal posture and the card 9 is in the irregular posture, the edge of the card 9 is held against the erroneous insertion preventing member 62 as shown in FIG. The other end protrudes from the end surface of the tray member 60 (P5 position).

  Further, when the tray member 60 is inserted in an irregular posture, that is, in the reverse direction, as shown in FIG. 16C, the abutting stopper 17 is abutted against the erroneous insertion preventing member 62 and the regular insertion position P4. The rear end side of the tray member 60 protrudes from the end surface of the housing 4 (P6 position).

  In the above-described embodiment, the example in which the erroneous insertion preventing member 7 is provided in the housing 4 has been described. However, when the housing 4 is attached to the electronic device A, a part of the electronic device A is in the card insertion portion 3. The electronic device A may be partly configured to constitute the erroneous insertion preventing member 7.

  In each of the above-described embodiments, the tray member 11 provided with the knob member 21 at one end has been described. However, in the present invention, the knob member 21 needs to prevent erroneous insertion of the card-like body. Therefore, the degree of freedom in design is high, and it is possible to make the knob member 21 symmetrical in the tray width direction. Moreover, you may provide the taking-out mechanism of the card-shaped body 2 separately, without providing the knob member 21. FIG.

  Furthermore, in the card connection structure of the electronic device A such as a mobile phone or a smartphone using the card connector 1 having the above-described configuration, for example, as shown in FIG. 17, the insertion of the electronic device A to which the housing 4 is attached is inserted. A detachable prevention body 70 is detachably accommodated on the front side of the direction, and when the card-like body 2 is inserted in a normal posture, the retention-prevention prevention body 70 is accommodated in the electronic device A, thereby The end edge may be stopped against the retaining member 70.

  In this case, when the card-like body 2 is inserted into the card insertion portion 3 in a non-regular posture, the card connector 1 as described above is as shown in FIGS. 12 (b) (c) or 16 (b) (c). In addition, since the movement to the normal insertion position P1 is restricted, in this card connection structure, the front end of the card-like body 2 protrudes toward the front side of the housing 4 in the card-like body insertion direction, so that it protrudes. The part interferes and the attachment of the retaining member 70 to the electronic device A is regulated.

  The pull-out prevention body 70 may be part of a circuit for supplying power to the electronic device A by being attached to the electronic device A such as a battery pack.

  In this case, when the card-like body 2 is inserted in an irregular posture, the attachment of the pull-out prevention body to the electronic device A is restricted. Therefore, in the state where the card-like body 2 is erroneously inserted, the electronic device A Power supply to the electronic device A is prevented, and failure of the electronic device A due to a short circuit can be prevented.

  Further, the slip-out prevention body 70 may be a lid member or the like that is fitted into the outer side surface portion of the electronic device casing to close the card connection structure portion.

  In the above-described embodiment, the example in which the card member 2 includes the tray member 11 has been described. However, the card member 2 may be a single card.

  In the above-described embodiment, the IC card is described as an example of the card. However, a flash memory card or another card may be used.

  In the above-described embodiment, the card connector having a structure in which the card-like body is inserted and pulled out by hand is exemplified. However, the card connector insertion / removal structure is not limited to such a structure. Known in the art, including a slider for pushing the slider in the take-out direction, a biasing means such as a coil spring for biasing the slider in the pull-out direction, and a lock mechanism including a heart cam mechanism for locking the slider at a required insertion position It may be a so-called push-in / push-out type card connector or the like.

A Electronic device 1 Card connector 2 Card-like body 3 Card insertion part 4 Housing 5, 6 Contact 7 Misinsertion prevention member 8 Avoidance part 9 Card 10 Card accommodation part 11 Tray member 12 Card avoidance part 13 Signal transmission terminal 14 Tray bottom plate part 15, 16 Side wall part 17 Stopping part 18 Supporting piece 19 Reduced width stopper part 20 Card misinsertion prevention member 21 Picking member 22 Mold base 23 Case body 24 Shield cover 25 Frame member 26 Bottom plate part 27 Case side plate part 28 Guide Groove 29 Top plate portion 30 Shield side plate portions 31, 32 Tray stopper member 33 Stopper piece 34 Overhang piece 35 Receiving surface portion 36 Crossing portion 37 Folding 38 Crossing side plate 39 Crossing bottom plate 40 Crossing side plate 41 Card stopper member 42 Locking hole 43 Locking protrusion Part 44 slide groove 45 elastic retaining piece

Claims (11)

In a card connector comprising: a housing having a card insertion portion into which a card-like body is inserted; and a plurality of contacts that project into the card insertion portion and that are in contact with signal transmission terminals exposed on one side of the card-like body;
An erroneous insertion preventing member is formed on the back side of the card insertion portion and is arranged to be shifted to one side in the connector width direction,
An avoiding portion is formed so as not to interfere with the erroneous insertion preventing member until reaching a regular insertion position on one end side in the insertion direction of the card-like body,
The card-like body can be inserted to the normal insertion position when inserted into the card insertion portion in a normal posture, and the edge of the card-like body is inserted into the card insertion portion in a non-regular posture. A card connector characterized in that movement to the regular insertion position by being held against an erroneous insertion prevention member is restricted.   2. The card connector according to claim 1, wherein the card-like body includes a tray member having a card accommodating portion in which a card is accommodated, and the avoidance portion is formed on one end side in the insertion direction of the tray member.   The card is formed with a card avoiding portion having a notch shape on one side of one end portion, and the card avoiding portion is stored in the tray member with the card avoiding portion facing the leading end. The card connector according to claim 2, wherein the card connector constitutes a part of the avoidance unit. The tray member includes a card mis-insertion preventing member arranged to be shifted to one side in the tray width direction on the back side of the card housing portion,
When the card is in a non-regular posture, the edge of the card is abutted against the card misinsertion preventing member, and the other end of the card protrudes to the rear end side of the tray member. Item 4. The card connector according to Item 3.   The card-like body is provided with a support piece protruding from at least one side of one side or both sides and is formed in an asymmetric end face shape, and the opening shape of the card insertion portion corresponds to the asymmetric end face shape of the card-like body. The card connector according to claim 1, wherein the card connector is formed. The housing includes a case body having a mold base made of an insulating synthetic resin material,
The card connector according to claim 1, wherein the erroneous insertion preventing member is integrally projected on the upper surface of the mold base of the case body. The housing is formed by combining a case main body having a mold base made of a synthetic resin material and a shield cover made of a metal plate material having a top plate portion facing the mold base,
The card connector according to claim 1, wherein the erroneous insertion preventing member is formed by cutting and raising a metal plate material constituting the top plate portion and projecting it toward the mold base side.   The erroneous insertion prevention member includes a receiving surface portion whose surface faces the front side in the card-like body insertion direction, and a crossing portion that is disposed on the back side of the receiving surface portion in the card-like body insertion direction and that intersects the receiving surface portion. The card connector according to claim 7, wherein the card connector is formed in a shape including   The housing is formed such that a part of the electronic device is introduced into the card insertion portion when attached to the electronic device, and a part of the electronic device constitutes the erroneous insertion preventing member. The card connector according to claim 1. A card connection structure for an electronic device using the card connector according to claim 1,
The electronic device includes a pull-out prevention body that is detachably housed on the front side of the housing in the card-like body insertion direction.
When the card-like body is inserted into the card insertion portion in a non-regular posture, the movement to the regular insertion position is restricted, and the front end of the card-like body is on the front side of the housing in the card-like body insertion direction. A card connection structure for an electronic device using a card connector, characterized in that the protrusion prevents the removal prevention body from being attached to the electronic device.   The card of the electronic device using the card connector according to claim 10, wherein the pull-out prevention body forms a part of a circuit for supplying electric power to the electronic device by being attached to the electronic device. Connection structure.

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