TWM519826U - Card holder and card connector - Google Patents

Description

Card bracket and card connector

The present invention relates to a card holder and a card connector.

In the past, in electronic devices such as personal computers, portable telephones, smart phones, PDAs (Personal Digital Assistants), digital cameras, video cameras, music players, game consoles, and navigation devices for vehicles, in order to utilize SIM (Subscriber Identity Module) ^{card, MMC ® (Multi Media card)} , SD ® (Secure Digital) cards, mini SD ^® card, xD picture card ^® (xD-picture card), memory stick ^®, memory stick Duo ^®, micro media ^®, Trans-Flash ^® memory card, the SD micro ^® various memory cards and other cards, and the card connector is provided (e.g., refer to Patent Document 1).

The memory card usually has a plurality of connection pads on the bottom surface. When the connector is inserted into the card connector in the correct posture, the connection pad of the memory card is in contact with the connection terminal in the card connector, but is inserted in the above reverse posture. Limit insertion when using the card connector. The reason is that the memory card itself has an asymmetrical shape in order to prevent erroneous insertion, and the card connector is inserted in such a manner as to prevent erroneous insertion by the asymmetric shape. Into the space.

Prior technical literature

Patent Document 1: Japanese Laid-Open Patent Publication No. 2006-294570

In recent years, with the rapid miniaturization of electronic devices, memory cards and card connectors have been rapidly miniaturized. As a result, it is difficult for the user to hold the memory card by the finger, and it is difficult to properly insert the card into the card connector. Then, a card connector in which a memory card is placed in advance in a card holder and then inserted into the card holder has been proposed. With such a card connector, not only the insertion of the memory card is facilitated, but also the shape of the memory card can be easily changed. Further, a plurality of memory cards can be placed in the card holder and inserted into the card connection. Device.

However, the conventional card connector for inserting the card holder prevents the erroneous installation of the card holder by the asymmetric shape of the memory card, but the erroneous insertion of the card holder is performed in the above-described reverse posture. possibility.

Here, the present invention has been made in view of the above problems, and an object thereof is to provide a card bracket and a card connector that can prevent erroneous insertion of a card connector.

The present invention has been made to achieve the above object, and the card holder of the present invention is a card holder that is inserted into an insertion space of a card connector, and is characterized in that a front plate portion; two or more side plate portions extending from the front plate portion in the insertion direction; and an inner plate portion having a lower surface of the inner plate portion than at least one of the side plates When the lower end of the front end portion is located above, the inner plate portion that connects the front end portions of any two of the side plate portions to each other is inserted into the card connector in the upper and lower reverse posture, because the inner plate The upper surface of the portion hits the protruding portion of the bottom plate portion of the insertion space, and the front end of at least one of the side plate portions abuts against the upper edge portion of the insertion opening of the insertion space, thereby restricting erroneous insertion into the card Use the connector.

Moreover, the card connector of the present invention includes a card connector for inserting the insertion space of the card holder described above, and includes a housing that accommodates the card holder, and a cover member. Mounted in the housing and covering at least a part of the insertion space, the bottom surface portion of the housing has a protruding portion protruding toward the insertion space, and when the upper and lower reverse postures are to be inserted into the card holder, Since the upper surface of the inner plate portion of the card bracket hits the protruding portion, the cover member abuts against the front end portion of the side plate portion of the card holder, thereby restricting the error of the card holder insert.

According to the card holder and the card connector of the present invention, it is possible to prevent the card holder from being erroneously inserted into the card connector.

1‧‧‧Card bracket

11‧‧‧ Front Board

11a‧‧‧ hole

11b‧‧‧Front Positioning Department

12‧‧‧Side plate department

12a‧‧‧Side edge positioning

12b‧‧‧Intermediate Positioning Department

12c‧‧‧cut section

12d‧‧‧ trench

13‧‧‧Inside Board

2‧‧‧Card connector

111‧‧‧Shell

112‧‧‧Operating film

113‧‧‧Protruding

151‧‧‧ Covering parts

152‧‧‧ protruding piece

153‧‧‧Bend line

154‧‧‧cut section

161‧‧‧ terminals

3‧‧‧ memory card

4‧‧‧ circuit board

S1‧‧‧ insertion space

S2‧‧‧ insertion port

S3‧‧‧ Retreat space

Other features and effects of the present invention will be apparent from the following description of the drawings, in which: FIG. 1 is a perspective view showing an operation of inserting a card holder into a card connector in a correct posture in the embodiment of the present invention.

FIG. 2 is a perspective view showing an operation of inserting the card holder into the card connector in the up-and-down posture in the embodiment of the present invention.

3a to 3h are views showing a deformation pattern of the bracket for a card.

4 is a perspective view showing a card connector according to an embodiment of the present invention.

FIG. 5 is a perspective view of the card connector according to the embodiment of the present invention viewed from another angle.

Fig. 6a is a cross-sectional view showing the operation of inserting the card holder into the card connector in a correct posture in the embodiment of the present invention, and Fig. 6b is a view showing the card holder in the embodiment of the present invention. The AA cross-sectional view of Fig. 2 in which the reverse posture is inserted into the card connector.

Fig. 7 is a schematic cross-sectional view taken along line B-B of Fig. 2 of the card holder according to the embodiment of the present invention.

[Basic structure of card bracket and card connector]

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. First, the basic configuration of the card bracket and the card connector according to the embodiment of the present invention will be described with reference to FIGS. 1 to 5 .

1 is a perspective view showing an operation of inserting a card holder into a card connector in a correct posture in the embodiment of the present invention, and FIG. 2 is a view showing the card holder in the embodiment of the present invention. A perspective view of the action of the swivel position inserted into the card connector.

As shown in these figures, the card holder 1 according to the embodiment of the present invention is inserted into the card connector 2 mounted on an electronic device (not shown) in a state in which the memory card 3 is housed. Space S1 (insertion port S2). That is, the memory card 3 is housed in the card holder 1 and is attached to the electronic device via the card connector 2. In addition, the electronic device may be, for example, a personal computer, a portable telephone, a smart phone, a PDA, a digital camera, a video camera, a music player, a game machine, a navigation device for a vehicle, or the like, or any type of device.

In addition, the memory card 3 is, for example, a SIM card, a micro SIM card, an MMC, an SD card, a mini SD card, an xD picture card, a memory stick, a memory stick Duo, a micro medium, a Trans-Flash memory card, etc., and may be any Kind of memory card. In the present embodiment, a micro SD (micro SD) card will be described as an example.

In the present embodiment, as shown in FIG. 1, the memory card 3 has a plate shape as a whole, and a plurality of electrode pads (not shown) are disposed on the lower surface thereof. Further, an intermediate portion (for example, an intermediate edge of the right edge) of one of the right and left side edges of the memory card 3 is formed with a notched portion 3a which is obliquely cut.

Further, in the present embodiment, in order to connect the card holder 1 and the card The configuration and operation of each part of the memory card 2 and the memory card 3 will be described. The expressions of the directions of up, down, left, right, front, back, etc. used are not absolute but relative and should be interpreted as: card The posture of the bracket 1, the card connector 2, the memory card 3, or the components of the card 1, the card connector 2, the memory card 3, or the like, is applied to the posture shown in the figure. When a change has occurred, it can be changed in accordance with the change in posture.

As the card holder 1, a metal member integrally formed by pressing or bending a metal plate material or a resin member integrally molded by a mold can be used. The card holder 1 of the present embodiment integrally includes a front plate portion 11; left and right side plate portions 12 extending from the right and left end portions of the front plate portion 11 in the front-rear direction (insertion direction); and the front end portions of the left and right side plate portions 12 The inner panel portion 13 (the rear end) is connected to each other, and the memory card 3 is housed between the left and right side panel portions 12.

The front plate portion 11 has a shape in which the insertion opening S2 of the card connector 2 can be plugged or a through hole (not shown) formed in the casing of the electronic device in which the card connector 2 is mounted can be plugged. One end portion (for example, a right end portion) is formed with a hole 11a for inserting a pin-shaped bracket take-out operation tool during the tray take-out operation, and a rear portion of the front plate portion 11 is provided for receiving The front end positioning portion 11b that is positioned at the front end edge of the memory card 3 of the card holder 1 is positioned.

The left and right side plate portions 12 have stepped side edge positioning portions 12a that position the side edges and the lower surface of the memory card 3 housed in the card holder 1. In addition, in the left and right The side plate portion 12 (for example, the right side plate portion 12) of either one side is formed with an intermediate positioning portion 12b that positions the intermediate edge (the notch portion 3a) of the memory card 3 housed in the card holder 1. Next, when positioning the intermediate edge of the memory card 3, the intermediate positioning portion 12b prevents the upper and lower portions by positioning the notch portion 3a formed in the middle of one of the left and right side edges of the memory card 3 In the wrong posture such as the reverse posture, the memory card 3 is housed in the card holder 1. Further, an opening is formed between the left and right side plate portions 12, and the electrode pads of the memory card 3 housed in the card holder 1 are exposed downward through the opening so as to be connectable to the terminal 161 of the card connector 2. Contact.

Further, the side plate portion 12 (for example, the right side plate portion 12) on either side of the left and right sides has a groove-shaped cutout portion 12c on the outer side. When the card holder 1 is inserted into the card connector 2, the notch portion 12c serves as a fitting groove for preventing the card holder 1 inserted into the card insertion holder 1 from being pulled out to the normal insertion position by the card connector 2 side. Play a role.

3a to 3h are views showing a deformation pattern of the bracket for a card.

As shown in these figures, the card holder 1 is not limited to a tray in which one memory card 3 is housed, and includes a tray in which a plurality of memory cards 3 are housed. Further, the plurality of memory cards 3 accommodated are not limited to cards of the same size (specification), and may include memory cards 3 of different sizes (specifications).

For example, in Fig. 3a, a card holder 1A for accommodating a memory card 3 of a predetermined size is shown. As shown in Figs. 3b and 3c, a plurality of memory cards 3 of the same size may be arranged in the left-right direction. The card holders 1B and 1C are arranged in series. In this case Next, three or more side plate portions 12 are extended from the front plate portion 11, and the front end portions thereof are connected to each other by the inner plate portion 13.

Further, as shown in FIG. 3d, a card holder 1D in which a plurality of memory cards 3 having different front and rear sizes are arranged in the left-right direction may be accommodated. In this case, the position of the front end of the card holder 1D (the front and rear positions of the inner panel portion 13) may be inconsistent.

Further, as in the card holder 1E shown in FIG. 3e, a plurality of memory cards 3 of the same size may be accommodated in the front-rear direction, or the card holder 1F as shown in FIGS. 3f and 3g. In the case of 1G, a plurality of memory cards 3 of the same size are arranged in the front-rear and left-right directions, or a plurality of memory cards 3 having different sizes are arranged in the front-rear direction, as in the card holder 1H shown in FIG. 3h. A plurality of arrays are accommodated. In this case, the storage position of the memory card 3 arranged in the front and rear can be separated by the intermediate plate portion 14 that connects the intermediate portions of the side plate portions 12 to each other.

Next, the card connector 2 according to the embodiment of the present invention will be described with reference to FIGS. 4 and 5 .

4 is a perspective view showing a card connector according to an embodiment of the present invention, and FIG. 5 is a perspective view of the card connector according to the embodiment of the present invention when viewed from another angle.

As shown in these figures, the card connector 2 according to the embodiment of the present invention has a housing 111 integrally formed of an insulating material such as synthetic resin; and a stamping and bending of a sheet material made of metal Discounted The cover member 151 attached to the upper side of the casing 111 is integrally formed by machining. Between the casing 111 and the covering member 151, an insertion space S1 in which one of the openings S2 is opened is formed, and the above-described card holder 1 is inserted into the insertion space S1.

The casing 111 includes a plurality of terminals 161 (see FIG. 6) corresponding to the electrode pad array of the memory card 3. When the card connector 2 is attached to the circuit board 4 (see FIG. 6) of the electronic device, the terminals 161 are connected to the circuit pattern of the circuit board 4. In other words, when the card holder 1 in which the memory card 3 is housed is inserted into the card connector 2, the electrode pads of the memory card 3 come into contact with the terminal 161 extending in the insertion space S1, and the circuit pattern of the circuit board 4 Turn on.

In addition, a side portion (for example, a right side portion) of the card connector 2 is provided to hold the inserted card holder 1 in a prohibited state, and the card holder 1 is removed in accordance with a predetermined take-out operation. A part of the bracket take-out mechanism (not shown) that is pushed out from the insertion port S2. In other words, when the card holder 1 is inserted into the card connector 2, the tray take-up mechanism is engaged with the notch portion 12c of the card holder 1 to prevent the inserted card holder 1 from being pulled out. Regular insertion position. In the state in which the card holder 1 is inserted, the pin-shaped tray take-out operation tool is inserted into the hole 11a of the card holder 1 to operate the operation piece 112 of the tray take-up mechanism. By this insertion force, the engagement with the notch portion 12c is released, and a part of the card holder 1 is pushed out from the insertion port S2. Thereby, the card holder 1 can be taken out from the card connector 2 through the finger. Further, the bracket take-out mechanism is not particularly limited, and a push pin type, a lever type, and a push-pull type may be used. Etc. is known as a known tray take-up mechanism.

[Characteristic structure of card bracket and card connector]

Next, the characteristic configuration of the card holder 1 and the card connector 2 according to the embodiment of the present invention will be described with reference to FIGS. 1 to 7 .

Fig. 6a is a cross-sectional view showing the operation of inserting the card holder into the card connector in a correct posture in the embodiment of the present invention, and Fig. 6b is a view showing the card holder in the embodiment of the present invention. FIG. 7 is a cross-sectional view taken along line AA of FIG. 2 in which the reverse posture is inserted into the card connector, and FIG. 7 is a schematic cross-sectional view taken along line BB of FIG. 2 of the card holder according to the embodiment of the present invention. In addition, the AA cross-sectional view shown in FIG. 6b is a state in which the position of AA in FIG. 2 is vertically cut as viewed from the left side, and the BB sectional view shown in FIG. 7 is viewed from the insertion direction of the card holder. The state in which the position of BB of FIG. 2 is turned up and down is reversed.

As shown in FIGS. 1, 6a, 6b, and 7, the card holder 1 has a groove 12d extending in the front-rear direction (insertion direction) on the upper surface of the side plate portion 12. In the present embodiment, the grooves 12d are formed in the left and right side plate portions 12, but the grooves 12d may be formed only in one of the side plate portions 12. Further, as shown in FIG. 3, in the card holder 1 having three or more side plate portions 12, the grooves 12d may be formed in three or more side plate portions 12.

The groove 12d is formed so that the front end portion (rear end) of the side plate portion 12 is a starting point and has a predetermined length dimension in the front-rear direction (insertion direction), and is preferably substantially the entire front-rear direction (insertion direction) of the side plate portion 12. In the region, a groove 12d is formed. The reason will be described later.

On the one hand, the covering member 151 of the card connector 2 has one or more protruding pieces 152 that protrude toward the insertion space S1. The number of the protruding pieces 152 can be set corresponding to the number of the grooves 12d provided in the card holder 1, and the left and right positions of the protruding pieces 152 can be corresponding to the positions of the grooves 12d provided in the card holder 1. set up.

According to such a configuration, as shown in FIG. 6a, when the card holder 1 is inserted into the insertion space S1 of the card connector 2 in the correct posture, the protruding piece 152 on the card connector 2 side and the card holder are used. The groove 12d on the one side is fitted to guide the insertion of the card holder 1. Further, as shown in FIG. 6b, when the card holder 1 is inserted into the insertion space S1 of the card connector 2 in an upside down posture, the protrusion piece 152 and the groove 12d cannot be engaged, and therefore, it is possible to The protruding piece 152 and the groove 12d are used as an erroneous insertion preventing device for the card holder 1. The card holder 1 and the card connector 2 according to the embodiment of the present invention are provided with an erroneous insertion preventing device. The explanation based on the erroneous insertion preventing action of the protruding piece 152 and the groove 12d is omitted.

The protruding piece 152 may be provided inside the insertion space S1, and is preferably provided in the vicinity of the insertion opening S2 as in the present embodiment. The reason for this is that the card holder 1 having the groove 12d formed in substantially the entire area in the front-rear direction (insertion direction) of the side plate portion 12 is combined, and from the insertion of the card holder 1 to the end of the insertion. In the insertion stroke, the projection piece 152 and the groove 12d are fitted, and the insertion of the card holder 1 can be guided.

The protruding piece 152 of the present embodiment is formed by cutting a part of the covering member 151 up. According to such a forming method, the protruding piece 152 can be provided inexpensively. When the protrusion forming piece 152 is cut and raised, it is preferable to form the protrusion piece 152 by cutting along the bending line 153 in the insertion direction of the card holder 1. The reason for this is that the projection piece 152 is not easily deformed even when the card holder 1 receives a load in the insertion direction. Further, in the present embodiment, the L-shaped or folded-back curved portion may be formed at the distal end portion of the protruding piece 152 only by cutting the rising protrusion forming piece 152. Thus, there is an advantage that the thickness of the cover member 151 is not limited, and the protrusion piece 152 can secure any left and right widths as well as the strength of the protrusion piece 152.

Further, in the present embodiment, the protrusion piece 152 is provided on the upper side (the cover member 151) of the insertion space S1, but the protrusion piece may be provided on the lower side (the case 111) of the insertion space S1. In this case, a groove that cooperates with the protruding piece will be formed under the side plate portion 12 in the card holder 1.

Further, the card holder 1 and the card connector 2 of the present embodiment have the following configuration for the purpose of preventing erroneous insertion of the card holder 1.

As shown in FIG. 7, in the card holder 1 of the present embodiment, the lower surface of the inner panel portion 13 that connects the distal end portions of the side plate portions 12 is located above the lower end surface of the at least one side plate portion 12. In the present embodiment, the lower surface of the right and left side plate portions 12 is located at the same height level in the entire front-rear direction (insertion direction). Therefore, the lower surface of the inner plate portion 13 is set so as to be positioned above the lower surface of the side plate portion 12. Bit Set. As a result, on the lower surface of the front end portion of the card holder 1, as shown in FIG. 7, a retreating space S3 having an inverted concave shape surrounded by the left side plate portion 12 and surrounded by the inner plate portion 13 is formed.

On the other hand, the card connector 2 has a protruding portion 113 that protrudes into the insertion space S1 on the bottom surface portion of the casing 111. The protruding portion 113 is provided at a position facing the lower surface of the inner panel portion 13 of the card tray 1 inserted into the insertion space S1 in the left-right width direction of the insertion space S1, and the protruding height is set to be larger than the retreat space. The height of the S3 is low. Further, in the present embodiment, two protruding portions 113 are provided along the inner side surface of the left and right side plate portions 12 in accordance with the insertion guide of the card holder 1, and the number of the protruding portions 113 may be one. It can also be three or more. Further, the protruding portion 113 of the present embodiment extends from the vicinity of the insertion opening S2 of the insertion space S1 to the intermediate position in the insertion direction of the insertion space S1, but may be provided at least in the vicinity of the insertion opening S2.

According to such a configuration, as shown in FIG. 6a, when the card holder 1 is inserted into the insertion space S1 of the card connector 2 in the correct posture, the inner panel portion 13 of the card holder 1 is placed in the insertion space. The upper side of the protruding portion 113 of the bottom plate portion of S1 allows the insertion of the card holder 1 by the insertion of the tray 1 as shown in Fig. 6b. When the space S1 is inserted, the upper surface of the inner plate portion 13 of the card holder 1 hits the protruding portion 113, whereby the front end of the side plate portion 12 of the card holder 1 is inserted beyond the opening S2 to the upper side, such as As shown in FIG. 2, the upper edge portion of the insertion port S2 (the front end portion of the covering member 151) abuts, thereby restricting the erroneous insertion of the card holder 2 into the card connector 2.

In addition, as shown in FIG. 1, FIG. 2, FIG. 4, and FIG. 5, it is preferable that the covering member 151 is in contact with the distal end of the side plate portion 12 when the card holder 1 is inserted in the reverse orientation. A cutout portion 154 that abuts against the front end of the side plate portion 12 is provided. For example, in the present embodiment, the concave portion 154 is formed in the covering member 151 in accordance with the shape of the front end of the side plate portion 12. In this way, when the card holder 1 is inserted in the up-down posture and is intended to be inserted, the front end of the side plate portion 12 is brought into contact with each other, whereby the erroneous insertion of the card holder 1 can be surely prevented, and the cradle can be used. The person clearly recognizes the mistaken insertion. In the present embodiment, the number of the notched portions 154 is arbitrarily changed according to the number of the side plate portions 12, etc., depending on the number of the side plate portions 12, and the two notched portions 154 are formed in the covering member 151.

The card holder 1 according to the embodiment described above is a card holder 1 inserted into the insertion space S1 of the card connector 2, and includes a front plate portion 11 and the insertion from the front plate portion 11 Two or more side plate portions 12 extending in the direction; the inner plate portion 13 that connects the front end portions of any two of the side plate portions 12 so as to be located above the front end surface of at least one of the side plate portions 12 When the up-and-down reverse posture is inserted into the card connector 2, the upper surface of the inner panel portion 13 hits the protruding portion 113 provided on the bottom plate portion of the insertion space S1, and the front end of at least one of the side plate portions 12 and the insertion opening of the insertion space S1. The upper edge portion of S2 abuts, and erroneous insertion into the card connector 2 can be prevented.

Further, in the card holder 1 of the present embodiment, when the upper and lower reverse postures are to be inserted into the card connector 2, the two insertion and insertion spaces of the plurality of side plate portions 12 are provided. Since the front end of the insertion port S2 of S1 abuts against the front end, the erroneous insertion of the card holder 1 can be stably prevented.

Further, the card connector 2 according to the embodiment of the present invention includes a case 111 for accommodating the card holder 1 and a cover member 151 attached to the case 111 and covering at least a part of the insertion space S1. The bottom plate surface portion of the casing 111 has a protruding portion 113 that protrudes into the insertion space S1. When the card holder 1 is inserted in the above-described reversed posture, the upper surface of the inner plate portion 13 of the card holder 1 hits the protruding portion 113. The cover member 151 abuts against the front end of the side plate portion 12 of the card holder 1, and can restrict erroneous insertion of the card holder 1.

In the card connector 2 of the present embodiment, the cover member 151 is provided with the side plate portion 12 at a portion that is in contact with the front end of the side plate portion 12 when the card holder 1 is inserted in the upper and lower reverse postures. Since the front end portion abuts against the notch portion 154, the erroneous insertion of the card holder 1 can be surely prevented, and the user can clearly recognize the erroneous insertion.

Further, in the card connector 2 of the present embodiment, since the covering member 151 has the two notch portions 154, the erroneous insertion of the card holder 1 can be reliably and stably prevented.

The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited to the above-described embodiments, and various modifications and changes can be made without departing from the spirit and scope of the invention.

1‧‧‧Card bracket

11‧‧‧ Front Board

11a‧‧‧ hole

12‧‧‧Side plate department

12c‧‧‧cut section

13‧‧‧Inside Board

2‧‧‧Card connector

112‧‧‧Operating film

113‧‧‧Protruding

151‧‧‧ Covering parts

Claims (5)

a card holder for inserting into an insertion space of a card connector, the card holder having: a front plate portion; and two or more side plate portions extending from the front plate portion in the insertion direction; And an inner plate portion that connects the front end portions of any two of the side plate portions so that the lower surface of the inner plate portion is positioned above the front end surface of at least one of the side plate portions When the upper plate portion is inserted into the card connector in the upper and lower reverse postures, at least one of the upper plate portions hits the protruding portion of the bottom plate portion provided in the insertion space. The front end of the side plate portion abuts against the upper edge portion of the insertion opening of the insertion space, thereby restricting erroneous insertion into the card connector. The card holder according to claim 1, wherein the two side plate portions of the plurality of side plate portions are provided with the insertion space when the upper and lower reverse postures are to be inserted into the card connector The front end of the insertion opening abuts the front end. A card connector, comprising: an insertion space for inserting a card holder according to claim 1 or claim 2, wherein the card connector includes: a housing that accommodates the card holder; and a cover a component mounted to the housing and covering at least a portion of the insertion space, the bottom surface portion of the housing having a protrusion protruding toward the insertion space When the upper and lower reverse postures are to be inserted into the card holder, the cover member and the card holder are hit by the upper surface of the card holder against the protruding portion. The front ends of the side panel portions abut, thereby restricting the erroneous insertion of the card holder. The card connector according to claim 3, wherein, when the upper and lower reverse postures are to be inserted into the card holder, the cover member is provided at a portion abutting the front end portion of the side plate portion A notch portion where the front end abuts. The card connector of claim 4, wherein the covering member has two of the cutout portions.