JP2000029581A - Pc card - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance the reliability by improving the flatness of one panel top end and preventing a ground electrode sandwiched between a panel and a connector from floating from the connector. SOLUTION: To this PC card, a card side connector 12 is attached at its connector attaching port and a ground electrode 13 is provided on the upper surface. Besides, an L-shaped bent part 16 extended in the breadthwise direction is formed at the top end of an upper panel 4, and its end face is adhered to a rectangular body 12A by a top end side adhesive film. The flatness of the top end of the upper panel 4 and strength against bending are improved by this L-shaped bent part 16, and the ground electrode 13 held between the upper panel 4 and the card side connector 12 is fixed onto the card side connector 12.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to a PC card inserted into a card slot of a personal computer, for example, to extend the functions of the personal computer.

[0002]

2. Description of the Related Art In general, a personal computer has a computer body having an arithmetic function, a storage function, etc., a keyboard for inputting signals to the computer body, and a floppy disk for storing a memory in the computer body. It is roughly composed of a device and a display for displaying programs, calculation results, and the like.

[0003] In a personal computer, expansion of a memory built in the computer body, addition of a modem,
In order to perform an IDE interface with a CD-ROM drive or a hard disk, a card slot in which a PC card can be additionally inserted is provided. Further, the size and shape of the PC card are regulated by the PC card standard and the standard of JEIDA (Japan Electronic Machine Industry).

On the other hand, in order to increase the processing speed of personal computers, the amount of information for arithmetic processing is shifting from 16 bits (low bits) to 32 bits (high bits). Card and 3
It is distinguished from a 2-bit PC card. Similarly, the card slot on the personal computer side is 16
It is roughly classified into a card slot for bits and a card slot for 32 bits.

[0005] In a personal computer, the drive voltage in the computer body is reduced to reduce power consumption.
Normally, the drive voltage of a 16-bit PC card is 5.0 V, while the drive voltage of a 32-bit PC card is set to 3.3 V. In addition, by lowering the driving voltage from 5.0 V to 3.3 V, the transmission and reception of signals between the PC card and the computer main body are ensured, and a 32-bit PC is used.
The card and the card slot are provided with a ground electrode having a plurality of protrusions for strengthening the ground connection.

On the left side of the PC card insertion direction,
A card-side keyway is formed to prevent the C card from being mistakenly inserted on the front and back, and to distinguish between a 16-bit PC card and a 32-bit PC card. And
The card-side keyway is formed to have a wider width in the 16-bit PC card than in the 32-bit PC card.

[0007] Due to the difference in the width of the card-side key groove, the 16-bit PC card can be mounted not only in the 16-bit card slot but also in the 32-bit card slot. On the other hand, a 32-bit PC card can be inserted into a 32-bit card slot, but cannot be inserted into a 16-bit card slot. As a result, it is possible to prevent each projection of the ground electrode provided in the card slot of the 32-bit PC card from being mounted on the 16-bit card slot which does not have a portion for receiving the projection. The card insertion hole was protected.

Here, as this type of 32-bit PC card, the one disclosed in Japanese Patent Application Laid-Open No. 9-58163 is known.

The PC card according to the prior art includes a frame-like body having one end serving as a connector mounting port for housing a circuit board therein, two panels covering both sides of the frame-like body, and the frame-like body. A connector provided in the connector mounting port of the connector for connecting the circuit board to a personal computer,
A ground electrode provided between one of the two panels and the connector to connect a ground of the circuit board to a ground of a personal computer;

[0010] In one panel, a plurality of projection accommodating holes are formed at positions of the connector mounting port, and the ground electrode is provided with a flat plate portion extending along a length direction of the connector; And protrusions formed on the panel and protruding from the respective protrusion receiving holes of the panel.
Further, since an adhesive film is provided on the inner surface of the panel, the panel and the ground electrode are respectively bonded by the adhesive film in a state where the projection of the ground electrode is projected from the projection accommodation hole of the panel.

[0011]

By the way, in the above-mentioned conventional PC card, the ground electrode is bonded to one of the two panels.
It is not fixed to the connector, the flatness of the flat part of the ground plate is poor, the flatness of the part of the panel corresponding to the connector mounting side is poor, or the individual In the case where there is a component manufacturing error, for example, there is a problem that the center of the ground electrode floats from the connector.

In addition, when a PC card is inserted into or removed from a card slot, even if torsional strength or the like is applied to the connector mounting opening of the casing, there is a problem that the center of the ground electrode floats from the connector. .

The present invention has been made in view of the above-mentioned problems of the prior art, and the present invention increases the flatness of the tip of one panel so that a ground electrode sandwiched between one panel and the connector can be separated from the connector. It is an object of the present invention to provide a PC card that can prevent the PC card from being lifted up and can increase reliability.

[0014]

According to a first aspect of the present invention, there is provided a PC card which is provided with a frame-like body having one end serving as a connector mounting port and accommodating a circuit board therein. Two panels respectively covering both sides of the body, a connector provided at a connector mounting opening of the frame body, and connecting the circuit board to a personal computer;
A PC card comprising a ground electrode provided between one of the two panels and the connector to connect the ground of the circuit board to the ground of a personal computer; It is characterized in that a bent portion bent toward the connector is provided at the end of the panel.

With this configuration, the bent portion provided at the tip of one of the panels can increase the flatness of the tip, increase the strength against bending, and suppress the deformation of the tip. The ground electrode sandwiched between the one panel and the connector can be firmly fixed to the connector.

According to the second aspect of the present invention, the bent portion is formed as an L-shaped bent portion by bending the end of one panel toward the connector in an L shape.

According to the third aspect of the present invention, the bent portion is formed as a stepped bent portion by bending the end of one panel toward the connector in a stepped manner.

With this configuration, the flatness of one of the panel ends is increased to increase the strength against bending,
The deformation of the tip can be suppressed.

According to the fourth aspect of the present invention, the bent portion is formed as a stepped bent portion by bending the end of one panel toward the connector in a stepped manner, and the step of bending is formed at the end of the connector. There is provided a U-shaped holding portion for holding the bent portion.

With this configuration, the tip of the stepped bent portion can be clamped by the U-shaped clamping portion of the connector, so that one panel can be prevented from floating with respect to the connector. Thus, the ground electrode sandwiched between the one panel and the connector can be firmly fixed to the connector.

According to a fifth aspect of the present invention, an adhesive film is provided on the surface of the bent portion facing the connector.

With such a configuration, the bent portion and the connector can be adhered to each other with an adhesive film with improved adhesion, and the ground electrode sandwiched between one panel and the connector can be attached to the connector. On the other hand, it can be more firmly fixed.

According to a sixth aspect of the present invention, the bent portion is formed over substantially the entire width of one panel in the width direction.

With such a configuration, the bent portion provided at the end of one panel can increase the flatness of the end, increase the strength against bending in the width direction, and suppress the deformation of the end. .

[0025]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments according to the present invention will be described below in detail with reference to FIGS. First, a PC card according to a first embodiment will be described with reference to FIGS.

1 is 16 bits and 32 bits according to the present embodiment.
A PC card 2 capable of accommodating both of the bits is a casing formed in the shape of a thin plate forming the outer shape of the PC card 1. The casing 2 includes a thin frame 3 having upper and lower openings.
The upper opening of the frame 3 is covered with a rectangular bulge 4A.
And a lower panel 5 covering the lower opening of the frame 3 and also having a rectangular bulge 5A.
(See FIG. 4), and a substrate accommodation space 6 is formed inside.

As shown in FIG. 2, the frame 3 has a U-shaped frame 3A, a beam 3B connecting the front end of the frame 3A, and the frame 3B. And a connector mounting port 3C formed at the tip of the portion 3A.
A plurality of protrusion receiving portions 9 described later are formed on the beam portion 3B.

A card-side connector 12 to be described later is mounted on the connector mounting opening 3C, and engaging claws engaged with the engaging grooves of the frame 3 are provided on both sides of the connector mounting opening 3C of the upper panel 4. 4B, 4B (only one is shown) are formed. The arrow A in FIG. 1 indicates the direction in which the PC card 1 is inserted.

Reference numeral 7 denotes a circuit board accommodated in the board accommodation space 6 of the casing 2. The circuit board 7 has a drive voltage of 5.0 V as well as a 32-bit drive voltage of 3.3 V. The electronic component 8 which constitutes a circuit set so as to correspond to both of 16 bits using is mounted.

A circuit corresponding to 32 bits using a driving voltage of 3.3 V and a circuit corresponding to 16 bits using a driving voltage of 5.0 V are connected to a PC card by means such as a changeover switch (not shown). Can be switched in accordance with the personal computer to be mounted.

Numerals 9, 9,... Are projection receiving portions for receiving the distal ends of the resilient projections 14, which will be described later. Each of the projection receiving portions 9 is spaced apart from the beam 3B of the frame 3 by a predetermined distance. To form eight recesses. When the frame 3 is formed of the same material, each of the projection receiving portions 9 can be formed integrally with the frame 3.

Reference numeral 10 denotes a card-side key groove formed on the left side in the insertion direction of the PC card 1. The card-side key groove 10 is located on the left side in the insertion direction of the side wall of the frame 3 near the connector mounting port 3C. It is formed by notching the upper surface of the frame 3. The card-side keyway 10 is formed to have the same groove width dimension d1 as the card-side keyway of the 16-bit PC card specified by the standard.

Reference numeral 11 denotes a guide groove formed on the right side in the insertion direction of the PC card 1. The guide groove 11 is located near the connector mounting port 3C of the frame 3 and located on the right side in the insertion direction. Is formed by forming a groove in the side wall. The guide groove 11 has a groove width dimension d0 determined by the standard.

Reference numeral 12 denotes a card-side connector provided in the connector mounting opening 3C of the frame 3;
A rectangular body 12A formed of a resin material in the width direction, engagement protrusions 12B, 12B extending in the width direction at upper and lower ends of the rectangular body 12A;
From the front surface to the rear surface of the 2A, a pin hole 12C in which a total of 68 holes are formed by arranging 2 vertically and 34 horizontally, a base end side is located at the back of each pin hole 12C, and a distal end side is rectangular. Shape body 1
And terminal pins 12D protruding from the rear surface of 2A and connected to the circuit board 7.

Reference numeral 13 denotes a ground electrode attached to the upper surface of the card-side connector 12. The ground electrode 13 is formed of a conductive metal plate as shown in FIGS. A flat portion 13A extending in the direction, a plurality of (eg, eight) ground terminals 13B extending from the flat portion 13A toward the ground on the circuit board 7 side, and a ground terminal 13B formed on the flat portion 13A. (For example, 8 pieces) of movable pieces 13C formed by cutting three sides except one side opposite to the circuit board 7 and the flat side 13A.
And attachment pieces 13D formed on the left and right at an angle of less than 90 degrees. Each of the movable pieces 13C is bent in the longitudinal direction so that the springy projection 1 is formed.
4 is formed. In addition, each of the mounting pieces 13D is positioned in the gap formed when the rectangular body 12A of the card-side connector 12 is mounted on the connector mounting opening 3C, thereby positioning the ground electrode 13.

.. Are formed on the flat plate portion 13A of the ground electrode 13 and protrude through projection accommodating holes 15 described later, for example, eight plate-like spring projections.
Each of the resilient projections 14 is formed in a substantially V-shape by bending the middle of a movable piece 13C formed on the flat plate portion 13A of the ground electrode 13. Further, the tip of each movable piece 13C, that is, the tip of the spring projection 14 is a free end, and is normally urged to the lower surface of the upper panel 4, and when the spring projection 14 is pressed from above by an external force, the spring projection 14 is frame 3A
Is received by the projection receiving portion 9.

Reference numerals 15, 15,... Denote a plurality of projection receiving holes formed in a portion of the upper panel 4 located on the connector mounting port 3C side. Each of the projection receiving holes 15 is formed in a rectangular shape.
Each of the protrusion receiving holes 15 is provided with a spring protrusion 1 of the ground electrode 13.
4, the springy projection 14 is projected outside.

Reference numeral 16 denotes an L-shaped bent portion provided at the tip of the upper panel 4 and bent in an L-shape toward the card-side connector 12. The L-shaped bent portion 16 is shown in FIGS. As shown in FIG. 5, it is formed over almost the entire width of the upper panel 4 in the width direction. Further, the tip of the L-shaped bent portion 16 is positioned by the engagement protrusion 12B of the card-side connector 12, and the upper panel 4 prevents the removal in the insertion direction A and allows the PC card 1 to be inserted into the card slot. etc,
The L-shaped bent portion 16 is prevented from directly hitting the card slot side to protect the L-shaped bent portion 16. Further, the end surface 16A of the L-shaped bent portion 16 is connected to a card-side connector 1 through a tip-side adhesive film 18 described later.
It is in contact with the second rectangular body 12A (see FIG. 5).

Reference numerals 17, 17,... Denote upper panel-side adhesive films provided in advance on the inner surface of a portion of the upper panel 4 which is located on the card-side connector 12 side. The adhesive is screen-printed on a portion avoiding each spring protrusion 14. Further, since each of the upper panel-side adhesive films 17 is formed of an adhesive (for example, a rubber-based adhesive or an acrylic-based adhesive) that is fused by applying heat, it is heated and pressed by a hot press. Thus, the inner surface of the upper panel 4 and the flat plate portion 13A of the ground electrode 13 are adhered in a state of increasing the adhesion.

Numeral 18 denotes a tip-side adhesive film formed on the surface of the L-shaped bent portion 16 facing the card-side connector 12, and the tip-side adhesive film 18 is formed on the end surface 16A of the L-shaped bent portion 16. Is formed by screen printing the same adhesive as the upper panel side adhesive film 17. The tip-side adhesive film 18 is formed on the end face 16A of the L-shaped bent portion 16.
And the rectangular body 12A of the card-side connector 12.

Reference numeral 19 denotes a lower panel-side adhesive provided in advance on the inner surface of a portion of the lower panel 5 located on the card-side connector 12 side, and the lower panel-side adhesive film 19 has the same adhesion as the upper panel-side adhesive film 17. It is formed by screen printing the agent. The lower panel-side adhesive film 19 is formed on the lower surface of the rectangular body 12A, the inner surface of the lower panel 5, and the rectangular body 1A.
The lower surface of 2A and the circuit board 7 are fixed.

The PC card 1 according to the present embodiment has the above-described configuration. When assembling the PC card 1 next, as shown in FIG. 2, the card-side connector 12 is attached to the connector attaching port 3C. In this state, the mounting pieces 13D of the ground electrode 13 are assembled so as to be sandwiched from both sides of the card-side connector 12, and the ground terminals 13B of the ground electrode 13 are soldered to the circuit board 7 (see FIG. 4). After that, the respective resilient projections 14 of the ground electrode 13 are inserted into the respective projection accommodating holes 15 of the upper panel 4 so as to be aligned, and the upper panel 4 is attached to the frame 3. On the other hand, the lower panel 5 is also mounted below the frame 3 (see FIG. 4).

Then, the contour of the casing 2 including the connector mounting opening 3C is heated and pressed by a hot press, so that the upper panel-side adhesive film 17 and the tip-side adhesive film 1 are heated and pressed.
8. The lower panel side adhesive film 19 is fused. Then, the upper panel-side adhesive film 17 covers the inner surface of the upper panel 4 with the ground electrode 13.
The lower panel side adhesive film 19 fixes the inner surface of the lower panel 5 to the lower surface of the rectangular body 12A. At this time, the tip-side adhesive film 18 formed on the end face 16A of the L-shaped bent portion 16 connects the end face 16A to the card-side connector 1.
It can be fixed to the second rectangular body 12A.

The thus formed PC card 1 has an L-shaped bent portion 16 provided at the end of the upper panel 4 and provided in the width direction to increase the flatness of the end and increase the strength against bending. And deformation of the tip can be suppressed. The top end of the upper panel 4 is the card-side connector 1
2 can be prevented from rising. As a result, the ground electrode 13 sandwiched between the upper panel 4 and the card-side connector 12 is firmly fixed to the rectangular body 12A of the card-side connector 12, and the ground electrode 13 is fixed to the rectangular shape of the card-side connector 12. Floating from the body 12A can be restricted.

In addition, since the tip of the L-shaped bent portion 16 is positioned by the engaging projection 12B of the card-side connector 12, the upper panel 4 prevents the upper panel 4 from being pulled out in the insertion direction A and prevents the PC from being pulled out. When the card 1 is inserted into the card slot or the like, the L-shaped bent portion 16 can be prevented from directly hitting the card slot side, and the L-shaped bent portion 16 can be protected. Further, the L-shaped bent portion 16
The front-side adhesive film 18 formed on the end face 16A of
Since the end face 16A is bonded to the rectangular body 12A, the ground electrode 13 can be more firmly fixed to the card-side connector 12.

As a result, when the PC card 1 is inserted into or removed from the card slot, the ground electrode 13 can be reliably prevented from floating from the card-side connector 12 even if torsional strength or the like is applied to the connector mounting opening 3C. , P
The durability and reliability of the C card 1 can be improved.

On the other hand, even if the tip of the upper panel 4 rises due to the deterioration of the tip-side adhesive film 18 with the passage of time or the like, L
The bent portion 16 is positioned on the engaging projection 12B of the connector 12 on the card side, and the end face 16A has a rectangular shape 1A.
2A, the end face 16A of the L-shaped bent portion 16 is engaged with the engagement protrusion 1 of the card-side connector 12.
2B, the end face 16A is protected, and the life of the PC card 1 can be extended.

Thus, in the PC card 1 according to the present embodiment, since the L-shaped bent portion 16 extending in the width direction is formed at the tip of the upper panel 4, the upper panel 4 is formed by the L-shaped bent portion 16. The flatness of the tip can be increased and the strength against bending can be increased. Further, the end face 16A of the L-shaped bent portion 16 is bonded to the rectangular body 12A by the distal-side adhesive film 18. Thus, the ground electrode 13 sandwiched between the card-side connector 12 and the upper panel 4 can be firmly fixed to the card-side connector 12.

As a result, when the PC card 1 is attached to and detached from the card slot, the PC card 1 is prevented from being caught on the card slot side, and the life of the PC card 1 is extended and the reliability is improved. Can be.

By forming a plurality of spring protrusions 14 on the ground electrode 13, the PC card 1
The card slot can be mounted in the bit card slot and the 32-bit card slot, and can be used for both 16-bit and 32-bit.

Next, a second embodiment according to the present invention will be described with reference to FIGS. 6 to 8. The feature of this embodiment is that the bent portion is folded stepwise toward the connector. The connector is formed as a stepped bent portion by bending, and a U-shaped holding portion for holding the stepped bent portion is provided at the end of the connector. In the present embodiment, the same components as those in the above-described first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

Reference numeral 21 denotes an upper panel used in the present embodiment. Like the upper panel 4 described in the first embodiment, the upper panel 21 has a rectangular bulge 21A. I have.

Reference numeral 22 denotes a card-side connector used in place of the card-side connector 12;
Is composed of a rectangular body 22A, engagement projections 22B and 22B, a plurality of pin holes 22C, and a plurality of terminal pins 22D, almost similarly to the connector 12. However, in the present embodiment, a flat portion 24B of a stepped bent portion 24, which will be described later, is provided on an engagement protrusion 22B positioned at the top end of the rectangular body 22A.
Is different in that a U-shaped holding portion 22E having a substantially U-shaped cross section for holding is formed.

Reference numerals 23, 23,... Denote a plurality of projection receiving holes (only one is shown) drilled at the front end side of the upper panel 21.
4, the springy projection 14 is projected outside.

Reference numeral 24 denotes a stepped bent portion provided at the end of the upper panel 21 and bent stepwise (crank-shaped) toward the card-side connector 22. The stepped bent portion 24 is 21 is formed over almost the entire width in the width direction.
The stepped bent portion 24 includes a step portion 24A bent at a right angle in the thickness direction and a flat portion 24B bent again at a right angle from the step portion 24A.

The flat portion 24B of the stepped bent portion 24
Are pinched by the U-shaped pinching portion 22E of the card-side connector 22 to prevent the upper panel 4 from floating,
When the card is inserted into the card slot or the like, the stepped bent portion 24 is prevented from directly hitting the card slot side to protect the stepped bent portion 24. Further, the flat portion 24B of the stepped bent portion 24 is bonded to the rectangular body 22A of the card-side connector 22 by the tip-side adhesive film 18 (see FIG. 8).

The PC card formed in this manner is the first type.
Similarly to the embodiment, the stepped bent portion 24 provided at the end of the upper panel 21 can increase the flatness of the end and increase the strength against bending, thereby suppressing the deformation of the end. Further, the flat portion 24B formed at the tip of the stepped bent portion 24 is sandwiched by the U-shaped sandwiching portion 22E of the card-side connector 22, thereby preventing the tip of the upper panel 21 from rising from the card-side connector 22. be able to. In addition, as shown in FIG.
8, the flat portion 24B is bonded to the rectangular body 22A, so that the upper panel 21 can be more firmly fixed to the card-side connector 22.

As a result, the ground electrode 13 sandwiched between the upper panel 21 and the card-side connector 22 is fixed to the rectangular body 22A of the card-side connector 22, and the ground electrode 13 is fixed to the rectangular shape of the card-side connector 22. Shaped body 22
Floating from A can be restricted. As a result, the life of the PC card can be extended and the reliability can be improved.

In this embodiment, the flat portion 24B of the stepped bent portion 24 is sandwiched so as to be covered by the U-shaped sandwiching portion 22E of the card-side connector 22.
When the C card is inserted into the card slot or the like, the stepped bent portion 24 can be prevented from directly hitting the card slot side, and the stepped bent portion 24 can be protected. , The life of the PC card 1 can be extended.

In the second embodiment, the flat portion 24B of the stepped bent portion 24 is described as being sandwiched by the U-shaped sandwiching portion 22E. However, the present invention is not limited to this, and FIG. As in the first modified example shown, it may be fixed to the card-side connector 12 described in the first embodiment. In this case, the flat portion 24B is fixed to the rectangular body 12A by the tip-side adhesive film 18. By bonding, the upper panel 21 can be firmly fixed to the card-side connector 12.

In the second embodiment, the shape of the stepped bent portion 24 is changed to the stepped portion 2 bent at a right angle in the thickness direction.
4A and a flat portion 24B bent again at a right angle from the step portion 24A, but the present invention is not limited to this. The present invention is not limited to this, and as in a second modification shown in FIG. The step portion 24A 'of the bent portion 24' may be inclined obliquely toward the flat portion 24B '.

Further, in the first embodiment, the tip-side adhesive film 18 is provided on the end face 16A of the L-shaped bent portion 16, and the L-shaped bent portion 16 is connected to the card-side connector by the tip-side adhesive film 18. 12, but the present invention is not limited to this, and as in the third modification shown in FIG.
It is not always necessary to provide the tip side adhesive film 18 in the character-shaped bent portion 16. In this case, the L-shaped bent portion 16 formed at the end of the upper panel 4 and extending substantially in the width direction is formed.
Thereby, the flatness of the tip of the upper panel 4 can be increased, the strength against bending can be increased, and the ground electrode 13 can be prevented from floating with respect to the card-side connector 12.

Further, in the second embodiment, the tip side adhesive film 18 is provided on the flat portion 24B of the stepped bent portion 24, and the stepped bent portion 24 is connected to the card side connector 22 by the tip side adhesive film 18. However, the present invention is not limited to this, and the distal end side adhesive film 18 formed on the stepped bent portion 24 may be eliminated as in a fourth modification shown in FIG.
Even in this case, the stepped bent portion 24 allows the upper panel 2
(1) The flatness of the tip can be increased, and the strength against bending can be increased. Then, the floating of the ground electrode 13 with respect to the card-side connector 22 can be prevented.

In the embodiment, the PC card of the 32-bit or 16-bit standard has been described. However, for example, a PC card of the 64-bit or 128-bit standard is used for the 16-bit card connector. ,
It is not limited to the standard according to the embodiment.

Further, there is a personal computer provided with a special card slot having a driving voltage of 3.3 V and 16 bits, and the same effect can be exerted by such a personal computer.

[0066]

As described above in detail, according to the first aspect of the present invention, the bent portion provided at the tip of one panel increases the flatness and bending strength of the tip of one panel, Since the ground electrode is sandwiched between one panel and the connector, the ground electrode floats up with respect to the connector due to manufacturing errors of individual parts such as the ground electrode and connector, and when attaching / detaching to / from the card slot. Can be prevented, and the durability and reliability of the PC card can be improved.

Further, by bending the bent portion to the connector side, it is possible to prevent the tip surface of the bent portion from being exposed to the outside. Even if the ground electrode rises, the tip surface is connected to a card slot or the like. Can be prevented from getting caught,
The reliability of the PC card can be further improved.

In the second aspect of the invention, the bent portion is formed as an L-shaped bent portion, and in the third aspect of the invention, the bent portion is formed as a stepped bent portion. The flatness can be increased, the strength against bending can be increased, and deformation of the tip can be suppressed.

According to the fourth aspect of the present invention, the bent portion is a stepped bent portion, and a U-shaped holding portion for holding the stepped bent portion is provided at the end of the connector. Can be restricted from floating from the connector. Thus, the ground electrode sandwiched between the one panel and the connector can be firmly fixed to the connector.

According to the fifth aspect of the present invention, since the adhesive film is provided on the surface of the bent portion facing the connector, the bent portion and the connector can be bonded to each other with the adhesive film with improved adhesion. The ground electrode sandwiched between the connector and the connector can be more firmly fixed to the connector.

According to the sixth aspect of the present invention, since the bent portion is formed over substantially the entire width in the width direction of the one panel, the flatness of the tip of the one panel is increased by the bent portion to bend in the width direction. And the deformation of the tip can be suppressed.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a PC card according to a first embodiment.

FIG. 2 is an exploded perspective view showing a frame-shaped body, an upper panel, a card-side connector, a ground electrode, and the like which constitute the PC card according to the first embodiment.

FIG. 3 is an enlarged perspective view showing a distal end side of an upper panel.

FIG. 4 is an enlarged longitudinal sectional view showing a main part of the insertion side of the PC card viewed from the direction of arrows IV-IV in FIG. 1;

5 is an enlarged cross-sectional view of a main part, which shows a part a in FIG. 4 in an enlarged manner.

FIG. 6 is an enlarged perspective view showing a distal end side of an upper panel according to a second embodiment.

FIG. 7 is an enlarged vertical sectional view showing the insertion side of the PC card according to the second embodiment, viewed from the same position as in FIG. 4;

FIG. 8 is an enlarged cross-sectional view of a main part showing a part b in FIG. 7 in an enlarged manner.

FIG. 9 is an enlarged sectional view of a main part showing a first modified example.

FIG. 10 is an enlarged sectional view of a main part showing a second modification.

FIG. 11 is an enlarged sectional view of a main part showing a third modification.

FIG. 12 is an enlarged sectional view of a main part showing a fourth modification.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 PC card 3 Frame-shaped body 3C Connector mounting opening 4, 21 Upper panel 5 Lower panel 7 Circuit board 12, 22 Card side connector 13 Ground electrode 16 L-shaped bent part 18 Tip side adhesive film 22E U-shaped holding part 24 , 24 'Stepped bent portion 24A, 24A' Stepped portion 24B, 24B 'Flat portion

Claims (6)

[Claims] 1. A frame-like body having one end serving as a connector mounting port for housing a circuit board therein, two panels covering both sides of the frame-like body, and a connector mounting port provided in the frame-like body. A connector for connecting the circuit board to a personal computer, and a connector provided between one of the two panels and the connector for connecting the ground of the circuit board to the ground of the personal computer. A PC card comprising: a ground electrode; and a bent portion bent toward the connector is provided at an end of the one panel. 2. The bending portion according to claim 1, wherein an end of the one panel is bent in an L-shape toward the connector.
2. The PC according to claim 1, wherein the PC is formed as an L-shaped bent portion.
card. 3. The bending portion is formed by bending a tip of the one panel in a stepped manner toward the connector.
2. The PC card according to claim 1, wherein the PC card is formed as a stepped bent portion. 4. The bending portion, wherein a tip of the one panel is bent stepwise toward the connector,
2. The PC card according to claim 1, wherein the PC card is formed as a stepped bent portion, and a U-shaped holding portion for holding the stepped bent portion is provided at a tip of the connector. 5. The PC card according to claim 1, wherein the bent portion is provided with an adhesive film on a surface facing the connector. 6. The panel according to claim 1, wherein the bent portion is formed over substantially the entire width of the one panel in the width direction.
The PC card described in 4 or 5.