KR20030011642A - Connector device for card - Google Patents

Abstract

PURPOSE: To provide a connector device for a card capable of easily connecting a flexible board, without soldering the same. CONSTITUTION: A housing 1 is provided with a card inserting part 1a for inserting a compact memory card 7 and a FPC inserting part 1b for inserting the flexible board 6, and a connector terminal 4 is projected into the card inserting part 1a and the FPC inserting part 1b. The connector terminal 4 has the U-shape, one side of the U-shaped terminal 4 is used as a first terminal 4a contacting the card terminal of the compact memory card 7, and the other side is used as a second terminal 4b abutted on the FPC terminal 6a of the flexible board 6. Furthermore, the movement of a connecting part of the first terminal 4a and the second terminal 4b is restricted to form a spring member of a cantilever structure, and the second terminal 4b and the FPC terminal 6a of the flexible board 6, inserted into the FPC inserting part 1b, are closely abutted on each other by the second terminal 4b and a FPC cover 2b.

Description

Connector device for card {CONNECTOR DEVICE FOR CARD}

The present invention relates to a card connector device for inserting a small memory card into an electronic device.

Background Art Conventionally, for example, a video connector, a digital camera, and the like have a card connector device for inserting a small memory card.

The small memory card has exposed terminals. The card connector device is provided with a card insertion portion formed in the housing, into which the small memory card is inserted, and a connector terminal formed in the card insertion portion and in contact with the card terminal formed in the small memory card. This connector terminal is connected to the printed circuit board by soldering.

By the way, since the printed circuit board is rigid, the card connector device to which the printed circuit board is soldered has a low freedom plate. That is, the mounting position of the card connector device is limited, and there is a problem that it is difficult to install in a small electronic device.

Therefore, in order to solve this problem, a flexible board is connected to the connector terminal of the card connector device instead of the printed circuit board, thereby increasing the degree of freedom of the card connector device.

However, since the flexible board is also connected to the connector terminal of the card connector device by soldering like the printed circuit board, the problem that the connection work becomes complicated like the connection work of the printed circuit board remains.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to provide a card connector device which can be easily connected without soldering a flexible substrate.

1 is a plan view showing one embodiment of a card connector device of the present invention.

FIG. 2 is a rear view of the embodiment shown in FIG. 1. FIG.

It is A-A sectional drawing of embodiment shown in FIG.

FIG. 4 is a front view of the embodiment shown in FIG. 1. FIG.

5 is a plan view showing a flexible substrate connected to the present embodiment.

6 is a cross-sectional view showing a state in which a flexible substrate is connected to the present embodiment, (a) is a view showing a state in which a flexible substrate is not connected, (b) is a view showing a state in a connection diagram of a flexible substrate, (( c) is a figure which shows the state in which the connection of the flexible substrate was completed.

Fig. 7 is a sectional view showing a state in which a small memory card is inserted in this embodiment, (a) shows a state in which a small memory card is not inserted, and (b) shows a state during insertion of a small memory card. Fig. (C) shows a state where the insertion of the small memory card is completed.

* Description of the symbols for the main parts of the drawings *

1 Housing 1a Card Insert

1b FPC insert 2 Metal cover (cover)

2a Card Cover 2b FPC Cover

2c Fastening Part 3 Resin Case

3a Regulating protrusion (regulating means) 3b Guide protrusion (guide means)

4 Connector terminal (spring member) 4a 1st terminal

4a1 protrusion 4b second terminal

4b2 protrusion 5 stopper

6 Flexible Board 6a FPC Terminal

6b Notch (regulator) 7 Small memory card

8 predetermined member

In order to achieve the above object, the present invention provides a card inserting portion formed in a housing, into which a memory card having a terminal is inserted, and exposed to the card inserting portion, and formed on a terminal and a flexible substrate of the memory card. A connector terminal connected to both sides of the connector, and an FPC insertion section into which the flexible substrate is inserted, the connector terminal being exposed into the card insertion section and the FPC insertion section, and the connector terminal and the FPC terminal It is a structure provided with the contact means which press-contacts.

In the present invention configured as described above, when the flexible substrate is connected to the connector terminal, the flexible substrate is inserted into the FPC inserting portion so that the FPC terminal of the flexible substrate is press-contacted with the connector terminal by the pressing means. This makes it possible to easily connect to the connector terminal without soldering the flexible substrate.

Further, in the above-described invention, the press-contacting means is formed of a spring member and presses the flexible board, and a wall surface portion of the FPC insert portion that opposes the connector terminal and receives the spring force of the connector terminal. You may comprise in.

In this arrangement, the source of the pressing force for press-contacting the FPC terminal and the connector terminal is used as the connector terminal, and the part which receives the pressing force is the wall portion of the FPC insertion part. It is enough to increase the thickness.

In addition, in the above-described invention, a restriction means for restricting the movement of the flexible substrate inserted into the FPC insertion portion in the disengaging direction may be provided.

In this configuration, the contact state between the FPC terminal and the connector terminal of the flexible substrate can be stabilized.

In the above-described invention, the FPC inserting portion may be formed so that the bending of the flexible substrate is restricted between the housing and a predetermined member to which the housing is mounted.

Even in this configuration, the contact state of the FPC terminal of the flexible substrate inserted into the FPC insertion portion with the connector terminal can be stabilized.

In addition, in the above invention, a guide means for guiding the insertion of the flexible substrate into the FPC insertion portion may be provided.

In this configuration, the flexible substrate can be smoothly inserted into the FPC inserting portion.

In the above invention, the wall surface of the card insertion portion may include a metal plate.

In this configuration, at least part of the card can be covered with a metal plate.

Further, in the above invention, the wall surface of the FPC insertion portion includes a metal plate portion integral with the metal plate included in the wall surface of the card insertion portion, and the FPC insertion portion includes a tip portion of the metal plate portion and the flexible substrate. A stopper may be provided that prevents contact of.

In this configuration, not only the memory card but also at least part of the flexible substrate can be covered with the metal plate. In addition, electrical contact between the flexible substrate and the metal plate can be prevented by the stopper. In addition, a part of the wall surface of the card insertion section and a part of the wall surface of the FPC insertion section can be formed by one metal plate cover.

Further, in the above-described invention, the cover for forming the outer shell is formed by bending a predetermined metal plate, and includes a wall surface portion covering the rear surface opposite to the exposed surface of the memory card terminal, and the FPC terminal of the flexible substrate. It may have a wall portion covering the rear surface opposite to the exposed surface of the surface.

In this configuration, the contact portion between the terminal of the memory card and the connector terminal and the contact portion between the FPC terminal and the connector terminal can be reliably covered with a metal plate.

Embodiment of the invention

EMBODIMENT OF THE INVENTION One Embodiment of the connector device for card of this invention is described based on drawing.

1 is a plan view showing the present embodiment, FIG. 2 is a back view of the embodiment shown in FIG. 1, FIG. 3 is a sectional view taken along line AA of the embodiment shown in FIG. 1, FIG. 4 is a front view of the embodiment shown in FIG. 1, Fig. 5 is a plan view showing a flexible substrate connected to the present embodiment, Fig. 6 is a sectional view showing a shape in which a flexible substrate is connected to this embodiment, and Fig. 7 is a sectional view showing a shape in which a small memory card is inserted in this embodiment. .

This embodiment is provided with a video camera, a digital camera, or the like, for example, and is a connector device for a card into which the small memory card 7 is inserted, as shown in FIG. The housing 1 has a card inserting portion 1a into which a small memory card 7 having terminals (not shown) is inserted, and is exposed in the card inserting portion 1a and inserted into the card inserting portion 1a. And a connector terminal 4 which is connected to both the terminals (hereinafter referred to as "card terminals") of the small memory card 7 and the FPC terminal 6a formed on the flexible substrate 6 described later.

2 and 3, the housing 1 is provided with an FPC inserting portion 1b into which the flexible substrate 6 is inserted at a position opposite to the card inserting portion 1a.

As shown in Figs. 1 to 4, the above-described card inserting portion 1a and FPC inserting portion 1b include a metal cover 2 forming an outer shell and a resin case covered with the metal cover 2 ( 3) is formed.

That is, the card inserting portion 1a covers the exposed surface portion of the card terminal of the small memory card 7 and the side portion with the resin case 3, the back surface portion opposite to the exposed surface of the card terminal, and It forms by covering the front end side with the metal cover 2.

Then, the FPC inserting portion 1b is formed at a position facing each other with the card inserting portion 1a and the resin case 3 interposed therebetween, and the exposed surface of the FPC terminal 6a of the flexible substrate 6 is formed. It is formed by covering with the resin case 3 mentioned above, and covering the back surface part, front end side, and side part which are the opposite sides of the exposed surface of the flexible board 6 with the metal cover 2.

The metal cover 2 portion of the card insertion portion 1a and the metal cover 2 portion of the FPC insertion portion 1b are integrally formed, and a predetermined metal plate is bent in a U-shape. That is, as described above, the predetermined metal plate is processed in a U-shape, but one of the two parts facing each other is disposed so as to cover the back surface portion opposite to the exposed surface of the card terminal of the small memory card 7 and the other. Is arranged so as to cover the rear surface portion opposite to the exposed surface of the flexible substrate 6, and the middle portion is disposed so as to cover the front end side of the small memory card 7 and the front end side of the flexible substrate 6. . Hereinafter, the metal cover 2 part which forms the card insertion part 1a is called the card cover 2a, and the metal cover 2 part which forms the FPC insertion part 1b is called the FPC cover 2b.

In addition, as shown in FIG. 2, the inner wall surface portion of the metal cover 2 facing the tip end portion of the flexible substrate 6 is made of an insulator and stops the movement of the flexible substrate 6 in the insertion direction. ) Is formed.

In the housing 1, the connector terminal 4 is arrange | positioned as mentioned above. This connector terminal 4 is formed in substantially U shape. The c-shaped connector terminal 4 is the first terminal 4a in which one of the two opposing portions is in contact with the card terminal of the small memory card 7, and the other is the flexible terminal 6. It is the 2nd terminal 4b which contacts the FPC terminal 6a.

Further, the U-shaped connector terminal 4 is composed of a spring member having a cantilever structure that restricts the movement of the connecting portion between the first terminal 4a and the second terminal 4b, and presses the flexible substrate 6. The FPC terminal 6a and the second terminal 4b by the FPC cover 2b which receives the spring force of the second terminal 4b opposite the second terminal 4b and the second terminal 4b. The pressure contact means which presses) is comprised.

Moreover, the U-shaped connector terminal 4 is formed in the resin case 3 part in the housing 1, and the resin case 3 is engaging with which the 1st terminal 4a can be engaged. A hook 3c, an engaging portion 3d engaged with the connector terminal 4 from the inside of the connector terminal 4, and a stopper for restricting the movement of the small memory card 7 in the insertion direction. The restricting part 3e which regulates the movement of the connection part of the 1st terminal 4a and the 2nd terminal 4b, and the engaging hook 3f which can be engaged with the 2nd terminal 4b are formed.

As shown in FIG. 6 and the like, a part of the first terminal 4a described above protrudes in the form of a mountain to the card insertion portion 1a, and the protruding portion 4a1 allows the first terminal 4a to be the card terminal. To make contact. Similarly, part of the above-described second terminal 4b also protrudes in the shape of a mountain to the FPC inserting portion 1b, and the second terminal 4b is connected to the FPC terminal 6a by the protruding portion 4b1. To make contact.

Further, in this embodiment, a restricting means for regulating the movement in the direction in which the flexible substrate 6 inserted into the FPC inserting portion 1b is pulled out is formed. For example, as shown in FIG. 2, the regulating means is formed in the resin case 3, is formed in the regulating projection 3a engaging with the flexible substrate 6, and is formed in the flexible substrate 6, and the regulating projection. It is comprised by the notch part 6b which engages with (3a).

In addition, in this embodiment, the FPC insertion part 1b is formed so that the curvature of the flexible board 6 may be regulated between the housing 1 and the predetermined member 8 to which the housing 1 is mounted. . That is, as shown in FIG. 7, the fastening part 2c for fixing the housing | casing 1 to the predetermined member 8 is formed in the both sides of the width direction of the metal cover 2, and the housing | casing 1 ) Is fastened to the predetermined member 8, the flexible substrate 6 is positioned between the resin case 3 and the predetermined member 8.

In the resin case 3, guide means for guiding the insertion of the flexible substrate 6 into the FPC inserting portion 1b is formed. That is, as shown in FIG. 2, the width dimension of the part of the flexible substrate 6 formed along the depth direction of the FPC insertion part 1b from the vicinity of the insertion opening of the FPC insertion part 1b, and in which the FPC terminal 6a was formed is corresponded. Two guide protrusions 3b are formed which are isolated at intervals.

In this embodiment configured in this manner, the connection of the flexible substrate 6 to the connector terminal 4 is performed as follows.

That is, as shown in Fig. 6A, the flexible substrate 6 is inserted into the FPC inserting portion 1b of the housing 1 in the state in which nothing is attached, as shown in Fig. 6B. In the insertion of the flexible substrate 6, the flexible substrate 6 is bent, and the tip end portion of the flexible substrate 6 is disposed between the two guide protrusions 3b, and inserted along the guide protrusions 3b. Goes.

In the FPC inserting portion 1b, the spring force of the second terminal 4b is brought into sliding contact with the inclined portion of the protruding portion 4b1 of the second terminal 4b while the front end portion of the flexible substrate 6 inserted in this manner is sliding. The protrusion 4b1 is pushed out and retracted in response to the resistance. Finally, the abutment to the stopper 5 shown in Fig. 2 described above is completed, and the insertion of the flexible substrate 6 into the FPC inserting portion 1b is completed.

At this time, the flexible substrate 6 is press-contacted with the second terminal 4b by the spring force of the second terminal 4b, so that the second terminal 4b and the flexible substrate 6 are electrically The connection becomes possible.

As shown in Fig. 6 (c), the warp of the flexible substrate 6 is removed, and the flexible substrate 6 is made parallel to the resin case 3. As a result, the cutout portions 6b of the flexible substrate 6 are engaged with the regulating protrusions 3a of the resin case 3, and the movement in the direction in which the flexible substrate 6 is pulled out is regulated. Thus, the housing 1 to which the flexible substrate 6 is connected is attached to the predetermined member 8 shown in FIG. 7 mentioned later through the fastening part 2c.

In addition, in this embodiment, the insertion of the small memory card 7 into the card insertion part 1a is performed as follows.

That is, as shown in Fig. 7A, in the card insertion portion 1a of the housing 1 fastened to the predetermined member 8 as described above, as shown in Fig. 7B, the small memory card 7 ), The front end portion of the small memory card 7 is inserted into the first terminal 4a by sliding away while slidingly contacting the inclined portion of the protrusion 4a1 of the first terminal 4a.

As shown in Fig. 7C, the tip of the small memory card 7 abuts on the restricting portion 3e, and the insertion of the small memory card 7 is completed. At this time, the card terminal of the small memory card 7 is press-contacted with the first terminal 4a by the spring force of the first terminal 4a, so that the first terminal 4a and the card terminal are electrically The connection becomes possible.

Thus, in this embodiment, when connecting the flexible board 6 to the connector terminal 4, when the flexible board 6 is inserted into the FPC insertion part 1b, the FPC terminal 6a of the flexible board 6 will be carried out. Is pressed against the second terminal 4b by the pressing means, that is, by the second terminal 4b and the FPC cover 2b made of the spring member of the cantilever structure. This makes it possible to easily electrically connect to the second terminal 4b without soldering the flexible substrate 6, and therefore, workability of the connection work of the flexible substrate 6 to the connector terminal 4 can be achieved. Can be improved.

In addition, in this embodiment, the part which receives pressurization force is made into the 2nd terminal 4b which consists of a spring member of a cantilever structure as the generation | occurrence | production source of the pressurization force for press-contacting the FPC terminal 6a and the 2nd terminal 4b. Since the FPC cover 2b is used, it is sufficient to increase the thickness slightly with respect to the housing 1 even when the FPC insert 1b is formed. Therefore, the entire apparatus can be made thinner than that in the case of forming a space required for soldering, that is, it is suitable for mounting on small electric equipment.

In the present embodiment, the FPC inserting portion is provided by the restricting means, that is, by the restricting projection 3a formed on the resin case 3 and the cutout portion 6b formed on the flexible substrate 6. The movement in the direction in which the flexible substrate 6 is pulled out with respect to (1b) can be regulated. Thereby, the contact state of the FPC terminal 6a and the 2nd terminal 4b can be stabilized, and the electrical connection state between these FPC terminal 6a and the 2nd terminal 4b can be hold | maintained firmly. .

In this embodiment, since the flexible substrate 6 is interposed between the resin case 3 and the predetermined member 8 on which the housing 1 is mounted, the bending of the flexible substrate 6 is regulated. do. Therefore, also in this respect, the contact state between the FPC terminal 6a and the second terminal 4b can be stabilized, and the electrical connection state between the FPC terminal 6a and the second terminal 4b can be firmly maintained. have.

In addition, in this embodiment, since the insertion of the flexible substrate 6 to the FPC insertion portion 1a is guided by the guide means, that is, by the guide protrusion 3b, the flexible substrate 6 is moved to the FPC insertion portion 1b. ) Can be inserted smoothly, thereby improving the workability of the connection between the flexible substrate 6 and the second terminal 4b.

In the present embodiment, the metal cover 2 makes contact between the card terminal of the small memory card 7 and the first terminal 4a and the FPC terminal 6a and the second terminal of the flexible substrate 6. The contact portion with (4b) can be covered, and static electricity and noise that adversely affects the small memory card 7 and the flexible substrate 6 can be reduced.

Since the card cover 2a and the FPC cover 2b are formed by the metal cover 2 which bends a predetermined metal plate, the card cover 2a and the FPC cover 2b are formed of one metal plate. In this way, it is not necessary to increase the number of parts in order to form the FPC insert, thereby reducing the cost.

In addition, in this embodiment, since the stopper 5 was formed in the inner wall surface part of the metal cover 2 which opposes the front-end | tip part of the flexible board 6, the electrical connection of the flexible board 6 and the metal cover 2 was carried out. Contact can be prevented and a short circuit can be prevented by this.

In the present embodiment, the restricting means is formed in the two regulating projections 3a formed in the resin case 3 and the flexible substrate 6, and the cutout portion which is engaged with each regulating projection 3a. Although comprised by (6b), this invention is not limited to this. In other words, the same effect can be obtained even when the flexible substrate 6 is provided with a hole into which the regulating protrusion 3a can be inserted.

As described above, in the present invention, when the flexible board is inserted into the FPC insertion section when the flexible board is connected to the connector terminal, the FPC terminal of the flexible board is pressed against the connector terminal by the pressing means, so that the flexible board is not soldered. Can be easily connected to the connector terminal. Therefore, the workability of the connection work of the flexible board with respect to the connector terminal can be improved.

Further, in the above-described invention, the press-contacting means is formed of a spring member and presses the flexible substrate, and a wall surface portion of the FPC insert portion which receives the spring force of the connector terminal against the connector terminal. In this case, it is sufficient to increase the thickness slightly with respect to the housing even when the FPC insert is formed. Therefore, the whole apparatus can be made thinner than that in the case of forming a space required for soldering, that is, it can be made suitable for mounting on small electric equipment.

In addition, in the above-described invention, by providing a restricting means for restricting the movement of the flexible substrate inserted into the FPC inserting part, the contact state between the FPC terminal and the connector terminal of the flexible substrate can be stabilized. Thus, the electrical connection state between the FPC terminal and the connector terminal can be maintained firmly.

Further, in the above invention, if the FPC inserting portion is formed so that the bending of the flexible substrate is restricted between the housing and a predetermined member to which the housing is mounted, the FPC of the flexible substrate inserted into the FPC inserting portion is formed. The contact state of the terminal with the connector terminal can be stabilized, whereby the electrical connection state between the FPC terminal and the connector terminal can be firmly maintained.

In addition, in the above-described invention, by providing the guide means for guiding the insertion of the flexible substrate into the FPC insertion portion, the flexible substrate can be smoothly inserted into the FPC insertion portion, whereby the flexible substrate and the connector The workability of the connection work with the terminal can be improved.

In addition, in the above-described invention, if the wall surface of the card insertion section includes a metal plate, at least a part of the memory card can be covered with the metal plate, thereby reducing static electricity and noise that adversely affects the memory card. can do.

Further, in the above invention, the wall surface of the FPC insertion portion includes a metal plate portion integral with the metal plate included in the wall surface of the card insertion portion, and the FPC insertion portion includes a tip portion of the metal plate portion and the flexible substrate. By forming a stopper that prevents the contact of the substrate, not only the memory card but also at least part of the flexible substrate can be covered with the metal plate, thereby reducing the static electricity and noise that adversely affect the flexible substrate. In addition, the electrical contact between the flexible substrate and the metal plate can be prevented by the stopper, whereby a short circuit can be prevented. Further, the wall surface formed of the metal plate included in the card insertion portion and the wall surface formed of the metal plate of the FPC insertion portion can be formed of one metal plate. Thereby, it is not necessary to increase the number of parts, and the cost can be reduced.

Further, in the above-described invention, a cover for forming an outer shell is formed by bending a predetermined metal plate, and includes a wall surface portion covering a rear surface opposite to an exposed surface of a terminal of the memory card, and the FPC of the flexible substrate. By providing a wall portion covering the back surface opposite to the exposed side of the terminal, the contact portion of the terminal of the memory card and the connector terminal and the contact portion of the FPC terminal and the connector terminal can be reliably covered with a metal plate, whereby the memory It is possible to reliably reduce static electricity and noise which adversely affects each of the card and the flexible substrate.

Claims (8)

A card insertion portion formed in the housing, into which a card having a terminal is inserted, exposed to the card insertion portion, and connected to both terminals of the memory card and FPC terminals formed on the flexible substrate, The FPC insert portion into which the flexible substrate is inserted is provided. At the same time as the connector terminal is exposed into the card insertion portion and into the FPC insertion portion, And crimping means for crimping the connector terminal and the FPC terminal. 2. The connector according to claim 1, wherein the press-contacting means is formed of a spring member and is formed by a connector terminal for pressing the flexible substrate, and a wall surface portion of the FPC insert portion facing the connector terminal and receiving the spring force of the connector terminal. Connector device for a card, characterized in that. 2. The card connector device according to claim 1, further comprising a restricting means for restricting movement of the flexible substrate inserted into the FPC inserting portion in a disengaging direction. 4. The card according to any one of claims 1 to 3, wherein the FPC inserting portion is formed so that the bending of the flexible substrate is restricted between the housing and a predetermined member to which the housing is mounted. Connector device. The card connector device according to claim 1, further comprising a guide means for guiding the insertion of the flexible substrate into the FPC insertion portion. The card connector device according to claim 1, wherein the wall surface of the card insertion portion includes a metal plate. The wall surface of the FPC insert portion includes a metal plate portion integral with the metal plate included in the wall surface of the card insert portion. And a stopper formed in said FPC inserting portion to prevent contact between said metal plate portion and the leading end of said flexible substrate. 8. The cover of claim 7, wherein the cover forming the outer shell is formed by bending a predetermined metal plate, and a wall portion covering the back surface opposite to the exposed surface of the memory card terminal, and the FPC terminal of the flexible substrate is exposed. And a wall portion covering a rear surface opposite to the surface of the card.