JP2003122449A - Cover structure of portable electronic equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent errors in the detection of a cover and prevent an installed cover from dropping and breaking, using a cover structure of portable electronic equipment used with a card such as a battery card installed therein. SOLUTION: A connecting part is provided to protrude from the back of the cover and a movable switch for detecting the installation of the cover is provided at an end of the equipment body. A stopper for limiting the movement of the switch is provided via a spring. When the cover is not installed, the stopper prevents the switch from moving to an ON position; when the cover is installed, the connecting part moves the stopper to enable the switch to move to the ON position.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cover structure for a card insertion portion of a portable electronic device which is used by mounting a card such as a memory card or a battery card.

[0002]

2. Description of the Related Art FIG. 12 is an explanatory diagram showing a conventional technique.
Reference numeral 1 denotes a device body of a portable electronic device, which internally has an expansion slot 3 for mounting a card 2 such as a battery card or a memory card. Reference numeral 4 denotes a card insertion opening provided at the end of the expansion slot 3 for inserting and removing the card 2.

Further, a switch 11 that can be operated from the outside of the device main body 1 is provided near the card insertion slot 4, and a detection unit 7 is provided adjacent to the switch 11 for detecting the attachment / detachment of a cover, which will be described later. The attachment of the cover to the device body 1 is made clear. Reference numeral 5 denotes a cover, which is removable from the device main body 1 and covers the card insertion port 4 to prevent a card mounted thereon from falling.

When the card 2 is mounted in the expansion slot 3, the cover 5 is mounted and the switch 11 is moved in the ON direction. As a result, the detector 7 can electrically detect that the cover 5 is attached. When removing the card 2 from the expansion slot 3, the switch 11 is moved in the OFF direction to remove the cover 5.
As a result, it is possible to electrically detect the removal of the cover 5 by the detection unit 7.

With the above configuration, the attachment / detachment of the cover of the card slot of the expansion slot is detected.

[0006]

However, according to the conventional technique, when the switch is moved to the ON direction after the card is mounted and the cover is not mounted, the detection unit erroneously determines that the cover is mounted and the portable device is carried. It becomes possible to operate the electronic device. If you operate the device in such a state,
There is a problem that the card comes off and is dropped and damaged.

[0007]

Therefore, in the present invention, a connecting portion is provided on the back side of the cover so as to project, and a movable switch for detecting attachment of the cover is provided at the end of the device body. A stopper that restricts switch movement is provided via a spring. When the cover is not attached, movement of the switch in the ON direction is blocked by the stopper, and when the cover is attached, the stopper is moved by the connecting portion. The feature is that it is possible to move in the ON direction.

Further, a sliding surface is provided at a portion of the stopper which comes into contact with the connecting portion. Further, the connecting portion is U-shaped, and a sliding surface is provided at a portion contacting the stopper. Furthermore, a protrusion is provided on the back side of the cover, and a cover detector is provided on the cover mounting part of the device body.When the cover is attached, the protrusion comes into contact with the cover detector, and it is detected that the cover is attached and the cover is removed. The feature is that it detects that the cover has come off when it is opened.

Further, a protrusion is provided on the back side of the cover, and a cover detector is provided in the cover mounting portion of the device body. When the cover is attached, the protrusion comes into contact with the cover detector to detect that the cover is attached, It is characterized by detecting that the cover has come off when the cover comes off.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. First Embodiment Example FIG. 1 is an explanatory diagram showing a first embodiment. Reference numeral 1 denotes a device body of a portable electronic device, which internally has an expansion slot 3 for mounting a card 2 such as a battery card or a memory card.

Reference numeral 4 denotes a card insertion opening provided at the end of the expansion slot 3 for inserting and removing the card 2. Further, a switch 11 that can be operated from outside the device body 1 is provided near the card insertion port 4, and the switch 1
A detector 7 for detecting the attachment / detachment of a cover, which will be described later, is provided adjacent to the device 1, so that the attachment of the cover to the device body 1 can be recognized.

Reference numeral 5 denotes a cover, which is removable from the device body 1 and covers the card insertion port 4 to prevent the card mounted thereon from falling. When the card 2 is installed in the expansion slot 3, the cover 5 is attached and the switch 11 is turned on.
Move in the direction. As a result, the detection unit 7 covers the cover 5
It is possible to electrically detect that the is attached.

When removing the card 2 from the expansion slot 3, the switch 11 is moved in the OFF direction to remove the cover 5. At this time, the detection unit 7 can electrically detect that the cover 5 is removed. With the above configuration, the attachment / detachment of the cover of the card slot of the expansion slot is detected.

The process up to this point is the same as the conventional technique described above. FIG. 2 is a cross-sectional view of the main parts showing the first embodiment.
Reference numeral 21 denotes a stopper, the end portion of which is located opposite to the end portion of the switch 11, and when the cover 5 is not attached, the movement of the switch 11 in the ON direction is restricted to prevent malfunction. positioned. The stopper 21 is provided via a spring 6. Further, the stopper 21 is formed with a sliding surface M such as a chamfer at an end thereof so that the stopper 21 can be moved by pressing with a connecting portion 31 described later.

Reference numeral 31 denotes a connecting portion provided inside the cover 5, and by fitting the cover 5 with the device main body 1 while pressing the stopper 21, the cover 5 is installed in the expansion slot 3 of the device main body. Fixed to 1. Figure 3
4 is an enlarged view of the main part before the cover is attached, FIG. 4 is an enlarged view of the main part when the cover is attached, FIG. 5 is a sectional view of the main part from the direction A shown in FIG. 4, and FIG. It is a principal part sectional view from the B direction shown at the time of (a) switch OFF (b) switch ON.

The stopper 21 is biased by the spring 6 in the direction D in FIG. As described above, the switch 11 is prevented from moving in the ON direction by the stopper 21. When the cover 5 is pressed with a force G from the direction of the arrow as shown in FIG.
Contactingly presses and the component force D ′ of the force G acts on the stopper 21 in the D ′ direction. At this time, since the biasing force D of the stopper 21 in the D direction by the spring 6 is smaller than the component force D ′ in the D ′ direction, the stopper 21 moves in the D ′ direction by the component force from the connecting portion 31. As a result, the switch 11 can be moved in the ON direction.

As described above, the stopper 21 of the switch 11 is provided on the main body of the apparatus, and the connecting portion 31 is provided on the cover as a releasing means of the stopper 21, so that the switch is turned on in the state where the cover is not attached. Can be prevented. Further, when the cover 5 is attached, the connecting portion 31 provided on the cover 5 pushes the chamfer of the stopper to push the stopper 21 out of the attaching portion of the cover 5 into the main body of the device, so that the cover 5 can be attached, and the switch 11 can be attached. Since it can be turned on, the switch 11 can be installed only when the cover 5 is attached.
Since it can be turned on, it is possible to prevent the card from dropping or being damaged by using the device without the cover 5 attached.

Second Embodiment Example FIG. 7 is an explanatory view showing a second embodiment. Reference numeral 21 denotes a stopper, the end portion of which is located adjacent to the end portion of the switch 11 so as to prevent malfunction of the switch 11 in the ON direction when the cover 5 is not attached. The stopper 21 is provided via a spring 6. Further, the stopper 21 is formed with a sliding surface M such as a chamfer at an end portion that presses the stopper 21 so that the stopper 21 can be moved by pressing with a connecting portion 31 described later.

Reference numeral 31 denotes a connecting portion provided inside the cover 5, which is fitted to the device body while pressing the stopper 21 to fix the cover 5 to the device 1 having the card 2 mounted in the expansion slot 3. As shown in FIG. 8, the connecting portion 31 is formed in a U-shape, and the opening of the U-shape is the switch 11.
Are formed to fit. Further, a sliding surface N such as a chamfer is formed at the end contacting the stopper 21.

The other structure is the same as that of the first embodiment. The stopper 21 is biased in the D direction by the spring 6 as shown in FIG. As described above, the switch 11 is prevented from moving in the ON direction by the stopper 21. Therefore, when the cover 5 is pressed with a force G from the direction of the arrow as shown in FIG. 9, the sliding surface N provided on the connecting portion 31 and the sliding surface M provided on the stopper 21 come into contact with each other and the force G is applied. Force D'is D'to stopper 21
Work in the direction. At this time, since the biasing force D of the stopper 21 in the D direction by the spring 6 is smaller than the component force D ′ in the D ′ direction, the stopper 21 moves in the D ′ direction by the component force from the connecting portion 31. As a result, the switch 11 can be moved in the ON direction by fitting the switch 11 into the U-shaped opening of the connecting portion 31.

As described above, the stopper 21 of the switch 11 is provided on the main body of the apparatus, and the connecting portion 31 is provided on the cover as a releasing means of the stopper 21, so that the switch is turned on in the state where the cover is not attached. Can be prevented. Further, when the cover 5 is attached, the connecting portion 31 provided on the cover pushes the chamfer of the stopper and pushes the stopper from the cover attaching portion to the inside of the device main body so that the cover can be attached and the switch 11 is turned on. Since the switch can be turned on only when the cover is attached, it is possible to prevent the card from being dropped or damaged due to the use of the device without the cover attached.

Third Embodiment Example FIG. 10 is an explanatory view showing a third embodiment. Reference numeral 8 denotes a protrusion provided on the back side of the cover, which is for contacting a cover detection unit 9 provided on the cover mounting portion of the device body to detect attachment / detachment of the cover when the cover is attached.

The other structure is the same as that of the first embodiment. FIG. 11A is a cross-sectional view of the main part when the switch is OFF,
FIG. 11B is a cross-sectional view of a main part when the switch is ON. Cover 5 on device body 1 with card 2 installed in expansion slot 3
When the device is mounted, the protrusion 8 provided on the back side of the cover comes into contact with the cover detection unit provided on the device body, and the fact that the cover is installed is transmitted to the inside of the device body so that the device can be operated.

According to this, the device body is provided with the cover detection section, the projection is provided on the cover, and when the cover is attached, the projection comes into contact with the cover detection section to detect the cover. Even if the cover 5 is removed, that is, even in a situation where the detection unit 7 cannot detect that the cover 5 has been removed while the switch 11 is in the ON state,
It is possible to detect that the cover has come off the main body of the device, and it is possible to prevent an operation caused by using the device without the cover attached.

[0025]

According to the present invention described above, the switch cannot be moved in the ON direction when the cover is not attached, so that the portable electronic device is operated by mistake when the cover is not attached. Can be prevented. Therefore, it is possible to prevent the mounted card from falling off and being damaged.

Further, when the cover is attached, the connecting portion provided on the cover pushes the stopper to push the stopper out of the cover attaching portion into the main body of the apparatus, and the switch can be turned on only when the cover is attached. It is possible to prevent an operation caused by using the device without the cover attached. In addition, it is possible to prevent the card from dropping or being damaged by using the device without the cover attached.

Further, according to the third embodiment of the present invention, since the cover detecting portion is provided on the device body and the protrusion is provided on the back side of the cover, the protrusion comes into contact with the cover detecting portion when the cover is attached. Since the cover can be detected and the device can be operated, if the cover is forcibly removed after the cover is attached, that is, the detection unit cannot detect that the cover is removed. Even when the cover is off, it can be detected that the cover is detached from the main body of the device, and the operation due to the use of the device without the cover can be prevented.

[Brief description of drawings]

FIG. 1 is an explanatory diagram showing a first embodiment.

FIG. 2 is a cross-sectional view of an essential part showing the first embodiment.

FIG. 3 is an enlarged view of a main part before the cover is attached.

FIG. 4 is an enlarged view of the main part when the cover is attached.

FIG. 5 is a cross-sectional view of an essential part showing the first embodiment.

FIG. 6 is a cross-sectional view of an essential part showing the first embodiment.

FIG. 7 is an explanatory diagram showing a second embodiment.

FIG. 8 is a partial projection view of the connection unit.

FIG. 9 is a sectional view of an essential part showing a second embodiment.

FIG. 10 is an explanatory diagram showing a third embodiment.

FIG. 11 is a cross-sectional view of an essential part showing a third embodiment.

FIG. 12 is an explanatory diagram showing a conventional technique.

[Explanation of symbols]

1 Portable electronic device body 2 cards 3 expansion slots 4 Card slot 5 cover 6 spring 7 Detector 8 protrusions 9 Cover detector 11 switch 21 Stopper 31 Connect Department

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Claims (4)

[Claims] 1. A connecting portion is provided on the back side of the cover so as to project, a movable switch for detecting attachment of the cover is provided at the end of the device body, and a stopper for restricting movement of the switch is provided via a spring. When the cover is not attached, the stopper prevents movement of the switch in the ON direction. When the cover is attached, the stopper is moved by the connecting portion to prevent the switch from turning on.
A cover structure for a portable electronic device, which is capable of moving in the N direction. 2. The cover structure for a portable electronic device according to claim 1, wherein a sliding surface is provided on a portion of the stopper that abuts the connecting portion. 3. The cover structure for a portable electronic device according to claim 1, wherein the connecting portion has a U-shape, and a sliding surface is provided at a portion contacting with the stopper. 4. A protrusion is provided on the back side of the cover, and a cover detector is provided in the cover mounting portion of the device body. When the cover is attached, the protrusion comes into contact with the cover detector to detect that the cover is attached, A cover structure for a portable electronic device, which detects that the cover is removed when the cover is removed.