JP2002284209A - Cover member open-close apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cover member open-close apparatus which has high durability, load strength, a small number of components, and a simple construction and which can hold a cover member in a stable manner when it is opened. SOLUTION: A card cover 45 which can open or close an opening of enclosures 1, 43 is made parallelly movable in a predetermined direction F with respect to the outside surface of the enclosures 1, 43. If the cover 45 is moved to a location in the direction F, the cover 45 can be turned. For turning the cover 45, a turning shaft 45a of a cam-like shape is provided at the center of turning. In order to regulate the movement of the shaft 45a by encircling it, regulating members 1, 42 extending in the predetermined direction F are provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cover member opening / closing device, and more particularly to a cover member opening / closing device having a cover member capable of opening and closing a hole of a housing. The lid member opening / closing device is provided in a hole for accommodating a memory card (storage medium) in an electronic device such as a digital camera.

[0002]

2. Description of the Related Art Conventionally, in an electronic device (for example, a digital camera) that operates by mounting a battery, a memory card, and the like, a cover member that can store and cover a storage portion for storing them has been provided. Are as shown in FIGS. 23 to 25.

FIG. 23 is a sectional view showing a conventional lid member having the first configuration.

In FIG. 23A, a lid member 101 is rotatable about a rotation shaft 109 with respect to a main body 105, and the lid member 101 has a pawl 102 so that the main body 1 can be rotated.
By engaging with the catch 103 on the 05 side, the rotation of the lid member 101 is fixed (locked). To release the lock, the cover member 101 is deformed in the direction of arrow α, and the pawl 102 is removed from the pawl receiver 103. As a result, as shown in FIG.
01 is rotatable. With the lid member 101 opened, a battery, memory card, or the like can be inserted and removed through the opening 110 of the main body 105.

FIG. 24 is a sectional view showing a conventional lid member having a second configuration.

In FIG. 24A, a cover member 106 is rotatable with respect to a main body 108 about a rotation shaft 119, and a torque spring 107 provided on the rotation shaft 119 is attached to the cover member 106. The force is always applied in the opening direction. The lid member 106 to which a force is applied in the opening direction
The lock button 104 is provided on the main body 108 side in order to keep the
6 is fixed at the lock position by a coil spring 111. When the lock button 104 is pushed in the direction of the arrow β to release the lock, the lid member 106 is
As shown in FIG. 24 (b), it turns in the opening direction. Since a force that keeps the lid member 106 open at all times is applied to the lid member 106 by the torque spring 107, the lid member 106 does not inadvertently close, and a battery or a memory card can be inserted and removed.

FIG. 25 is a sectional view showing a conventional lid member having a third configuration.

In FIG. 25A, the cover member 112 is rotatable about the rotation shaft 129 with respect to the main body 113. When the cover member 112 is closed, the leaf spring 114 is closed.
By this, the movement of the rotating shaft 129 in the z-axis negative direction is fixed,
Further, the state where the pawl 115 of the lid member 112 is fitted to the pawl receiver 116 on the main body 113 side is maintained. When the cover member 112 is moved in the direction of arrow γ against the urging force of the leaf spring 114 given to the rotation shaft 129, as shown in FIG. Then, it can be turned in the direction of arrow δ.

Although not shown in the drawings, by always applying a force to the cover member 112 from the main body side 113 side in the opening direction by a torque spring, the cover member 112 can be moved only in the direction of arrow γ, It is possible to keep 112 open.

[0010]

However, each of the above-mentioned conventional lid members has the following problems.

A cover member 10 having the first configuration shown in FIG.
1 has a simple structure and is excellent in cost, but each time the opening and closing of the lid member 101 is repeated, the pawl 102 and the pawl receiver 103 are severely worn, and there is a problem in durability. Also,
Since there is no configuration for holding the lid member 101 in an open state, the cover member 101 is inadvertently rotated when working with the lid member 101 opened, resulting in poor operability.

A cover member 10 having a second configuration shown in FIG.
In No. 6, the cover member 106 is automatically opened only by the operation of pushing the lock button 104, and the open state can always be maintained. However, the lock button 104 and various springs are required, the number of parts is large, and the structure is complicated. is there.

[0013] The claw portions 102 and 103 shown in FIG.
In this case, it is difficult to increase the lock strength, and since the main body 108 and the lock button 104 shown in FIG. 24 are separate members, there is a limit in strength. Therefore, the lid member 10
In order to use 1 and 106 as, for example, a battery lid that always receives a heavy load, it is necessary to design the battery with a sufficient strength margin.

A cover member 11 having a third configuration shown in FIG.
In 2, since a strong pawl receiving portion 116 can be provided on the main body 113 side, a large load can be applied to the lid member 112. In order to open the lid member 112, it is necessary to once move the lid member 112 in the direction of the arrow γ and then rotate the lid member 112.
2 can be prevented from opening. However, there are many parts,
There is a disadvantage that the structure is complicated.

The present invention has been made in view of the above problems, and has a durability, a high load strength,
An object of the present invention is to provide a lid member opening / closing device which has a small number of parts and has a simple structure, and which can stably maintain the opened state when the lid member is opened.

[0016]

According to the first aspect of the present invention, there is provided a cover member opening / closing apparatus having a cover member capable of opening and closing a hole of a housing. A sliding portion for allowing the lid member, which covers the hole of the body, to be movable in a predetermined direction in parallel with the external plane of the housing, and wherein the lid member is moved in the predetermined direction. A cam portion provided on a rotation axis when the lid member rotates at a position, and a cam portion provided on the housing side, extending along the predetermined direction, surrounding the cam portion, and moving the cam portion. And a restricting member for restricting the pressure.

[0017]

Embodiments of the present invention will be described below with reference to the drawings.

(First Embodiment) FIG. 1 is a perspective view of a digital camera equipped with a lid member opening / closing device according to a first embodiment of the present invention as viewed from the front side, and FIG. FIG. 2 is a perspective view of the digital camera as viewed from the rear side.

In the digital camera, the front cover 1 and the rear cover 43 cover various internal parts as shown in FIG.

FIG. 3 is a sectional view of the digital camera shown in FIG.
It is A sectional drawing.

As shown in FIG. 3, a power supply for performing various electric operations is supplied inside the digital camera.
Three AA batteries 2 (2a to 2d) can be mounted, of which three batteries 2a, 2b, and 2c are arranged side by side in the x direction shown in FIG. Is positioned on the positive side of the z-axis (camera front side) with respect to the straight line, and forms a grip portion to be easily covered with the front cover 1 to hold the digital camera.

FIG. 4 is an exploded view showing a configuration for electrically connecting the batteries 2.

The (-) side (minus side) of the battery 2c is in contact with the tapered spring 3c, and the tapered spring 3c is soldered to the (-) side of the BD cable 5. The (+) side (plus side) of the battery 2c is, in order, the projection 3a of the sheet metal terminal 3, the projection 3b of the sheet metal terminal 3, the (-) side of the battery 2a, and the (+) of the battery 2a.
Side, taper spring 3a, taper spring 3b connected to taper spring 3a, (−) side of battery 2b, (+) side of battery 2b, projection 4a of sheet metal terminal 4, projection 4 of sheet metal terminal 4.
b, (−) side of battery 2d, (+) side of battery 2d, taper spring 3d, BD soldered to taper spring 3d
Connected to the (+) side of cable 5.

The BD cable 5 is connected to a connector 5a. Returning to FIG. 3, the connector 5a is inserted into a connector 6a provided on the DC board 6. The circuit provided on the DC board 6 adjusts the voltage supplied from the battery 2 to a voltage suitable for operating the digital camera. The voltage after this adjustment is applied to the main board 8 via the flexible board 7, to the ST board 10 via the DS lead wire 9,
The liquid crystal is supplied to a liquid crystal display unit (hereinafter referred to as an “LCD unit”) 12 via a flexible substrate 11.

In the present embodiment, the battery 2 is constituted by an AA battery. However, as long as the battery 2 has (+) and (-) poles at both ends in the longitudinal direction, the battery 2 is used.
May be other types.

FIG. 5 is a block diagram of the digital camera shown in FIG.
It is B sectional drawing.

The DC / IN terminal 6b is soldered on the DC board 6. When a power supply cable or the like (not shown) is externally connected to the DC / IN terminal 6b instead of the battery 2, the voltage supplied via the power supply cable or the like is provided on the DC board 6. The voltage is adjusted by the circuit to a voltage suitable for operating the digital camera, and is supplied to each part of the digital camera in the same manner as the power from the battery 2.

On the ST board 10, an external output digital terminal 10a and an external output analog terminal 10b are soldered, and a main capacitor 13 and a strobe unit 14 are arranged. The current supplied from the DC substrate 6 to the ST substrate 10 via the DS lead wire 9 is stored in the main capacitor 13 and is supplied to the strobe unit 14.
And maintain the voltage state increased to the operating voltage. Main board 8
The circuit on the ST substrate 10 causes the strobe unit 14 to emit light when the amount of light for photographing is insufficient, based on a signal sent from the device to the ST substrate 10 via the flexible substrate 15.

When exchanging signals and data with an external digital device, an external output digital terminal 10 is used.
Various digital communication cables and the like (not shown) are connected to the terminal a, thereby enabling communication between the digital camera and external digital devices. Similarly, when communicating with an external analog display or the like, various analog communication cables or the like (not shown) are connected to the external output analog terminal 10b.

The DC / IN terminal 6b, the external output digital terminal 10a, and the external output analog terminal 1
When 0b is not used, as shown in FIG. 7, the terminal cover 38 is attached to the front cover 1 so that each terminal is not inadvertently exposed.

FIG. 7 is a diagram showing the F-number of the digital camera shown in FIG.
It is F sectional drawing.

The terminal cover 38 is provided with a terminal fitting portion 38a. The terminal fitting portion 38a is fitted into the hole 1c of the front cover 1 and fitted to each terminal, so that each terminal is not inadvertently exposed. FIG. 8 is a diagram showing a case where the position of the terminal cover 38 is different in the digital camera shown in FIG. 7, and FIG.
FIG.

As shown in FIG. 9, the terminal cover 38 alone has a fixing portion 38c parallel to the z-axis, whereas a cover body including a terminal fitting portion 38a and an external portion 38b has a z-axis. And a shape having an angle A from. Due to this shape, as shown in FIG. 7, when assembled into the front cover 1, the terminal fitting portion 38a and the external portion 38b are always urged in a direction to cover each terminal, and carelessly The structure is such that each terminal is not exposed. After the terminal cover 38 is opened in the direction of arrow L (FIG. 7), the U-shaped portion 38d of the terminal cover 38 is exposed to the outside of the front cover 1 as shown in FIG. 1c, the terminal cover 38 does not easily return to the closed state of the front cover 1 shown in FIG. Accordingly, the connection of the communication cable described above can be easily performed with the terminal cover 38 opened.

In the digital camera, the power is turned on by pressing the power button 32 shown in FIG. 2 in the positive direction of the z-axis for several seconds. Returning to FIG. 3, the circuit of the main board 8 to which the power is supplied from the DC board 6 when the power is turned on can take and reproduce an electrophotograph. In order to prevent malfunction, turn on the power unless the power button 32 is pressed for several seconds.
A program has been created in advance so that it does not occur. When the power button 32 is pressed again while the power is on, the power is turned off.

In the power ON state, when the mode dial 33 shown in FIG. 2 is rotated and "photographing mode" is selected, photographing becomes possible. When the photographing mode is selected, a signal is sent from the main board 8 to the LCD unit 12 via the LCD flexible board 36 and to the lens barrel unit 16 via the optical flexible board 25 in FIG. By this signal, the lens barrel unit 16 causes the shutter stop 2
6 is changed to a predetermined aperture amount according to the amount of light entering through the lens group 17, and as a result, an image sensor (hereinafter referred to as “C
The image of the subject formed on 18) is referred to as LC
It is displayed on the D unit 12.

In order to determine the composition of the subject, the user adjusts the posture of the digital camera while watching the image displayed on the LCD unit 12. Alternatively, the user looks into the finder unit 34 shown in FIG. 2 and adjusts the posture of the digital camera so that the subject comes to a desired position in the photographing frame seen there.

The enlargement and reduction of the subject image can be performed by operating the zoom lever 35 shown in FIG. By operating the operation button 37 shown in FIG. 2, the recording size of the image, the compression ratio of the image to be recorded, the date and time, and the like can be set. The user can also set whether or not to use strobe light, adjust the shutter speed, set the continuous shooting function, set the timer shooting function, set the near / far distance shooting function, set the white balance, and the like. Further, the user operates the mode dial 33 to set a "stitch mode" separately from the normal shooting mode.
When is selected, a shooting procedure is displayed on the LCD unit 12, and a panoramic image can be easily shot simply by shooting in accordance with this procedure.

FIG. 6 is a diagram showing the C-C of the digital camera shown in FIG.
It is C sectional drawing.

When the composition of the subject is determined, the release button 21 shown in FIG. 6 is depressed in the negative y-axis direction.
The release switch 24 soldered on the release board 22 is turned on, and this release ON signal is sent to the main board 8 via the flexible board 23. As a result, the subject imaged on the CCD 18 (FIG. 3) The process of saving an image is performed as follows.

That is, in the process of storing a still image,
As shown in FIG. 3, first, the still image data is
From the main board 8 via the CCD flexible board 19
To the arithmetic circuit on the main board 8 (hereinafter referred to as “CPU”).
), Predetermined data processing is performed, and the data processing is temporarily stored in the buffer memory 31. Thereafter, as shown in FIG. 6, the data is sent to the memory card connector 29 on the operation board 28 via the flexible board 27. If the memory card 30 is connected to the memory card connector 29, the still image data is recorded on the memory card 30. The memory card 30 is detachable from the digital camera.

In the moving image storage processing step, recording starts when the release button 21 shown in FIG. 6 is pressed once, and thereafter, in FIG. 3, all the images formed on the CCD 18 are transferred to the CCD flexible substrate 19. The data is sent to the main board 8 via the main board 8 and is subjected to predetermined processing by the CPU 20 on the main board 8, and is recorded on the memory card 30 shown in FIG.

In this embodiment, all the image data is stored in the memory card 30. However, a built-in memory is provided on the main board 8 and the like, and the image data can be stored in the built-in memory. Good. In this case, the user using the digital camera is configured to be able to select which of the memory card 30 and the built-in memory to store the data.

To play back the stored image data, the user rotates the mode dial 33 shown in FIG. 2 and selects "playback mode". In the reproduction mode, the image (still image or moving image) data stored in the memory card 30 (or the built-in memory) shown in FIG. 6 is sent to the main board 8 in FIG. LC
It is sent to the LCD unit 12 via the D flexible board 36 and displayed.

On the display of the LCD unit 12, information indicating the photographing conditions of the displayed image can be displayed at the same time. Operation button 3
7 (FIG. 2) is operated by the user to display a plurality of images in order, to delete images, to set protection to prevent erroneous deletion, to rotate the displayed image on the screen, For example, it is possible to perform an auto play in which a plurality of images are sequentially displayed at regular time intervals, set print designation of images, and the like. Furthermore, if the operation of the zoom lever 35 shown in FIG. 2 is also included, an enlarged display and an index display for displaying a plurality of images on one screen at a time can be performed.

To replace the battery 2, the battery cover 39 shown in FIGS. 1 and 2 is opened and replaced. The configuration of the battery cover 39
This will be described with reference to FIG.

FIG. 10 is an assembly view showing the structure of the battery lid unit.

The battery cover 39 has a hole 39a into which a slide button 40 is slidably mounted in the x-axis direction. When the slide button 40 is incorporated into the battery cover 39, at the same time, the coil spring 41 is put on the spring shaft 40c of the slide button 40 and is incorporated into the spring groove 39b of the battery cover 39.
0 is always urged by the coil spring 41 in the positive x-axis direction. On top of this, the sheet metal terminal 3 is incorporated in the positive direction of the z-axis so as to slide under the holding rib 39c of the battery lid 39, and the slide button 4 is inserted into the hole 3c and the hole 3d of the sheet metal terminal 3, respectively.
The projections 40a and the projections 40b are fitted with each other. Therefore, the sheet metal terminal 3 is incorporated so as to be slidable with respect to the battery lid 39 in the z-axis direction.

The sheet metal terminal 4 is fitted to the rib 39d of the battery cover 39, and is fixed to the battery cover 39 with a screw through the hole 4c.

After the battery cover unit is completed as described above, the sheet metal terminal 3 is assembled in the battery box 42 and the shaft 49
Through the x-axis direction in the order of the hole 42b of the battery box 42, the curl bending 3e of the sheet metal terminal 3, and the hole 42a of the battery box 42, so that the sheet metal terminal 3 can be rotated with respect to the battery box 42. .

Next, a configuration for detecting the open / closed state of the battery cover 39 will be described with reference to FIGS.

FIG. 11 is an xz plan view of the digital camera when the battery cover 39 is in the closed state. FIG. 12 is a diagram showing the D of the battery cover 39 shown in FIG. 10 in the digital camera in the state shown in FIG. FIG. 13 is an xz plan view showing a detection lever 48 and a detection switch 44 described later.

As shown in FIG. 12, a detection lever 48 slidable in the x direction is fitted to the end of the battery box 42, and a part of the detection lever 48 is
Accordingly, the detection lever 48 is moved in the x-axis direction in conjunction with the movement of the slide button 40 in the x-axis direction. As shown in FIG. 13, when the detection lever 48 moves in the x-axis negative direction, the detection switch 44 is disposed at a position where the detection lever 48 contacts. The detection switch 44 comprises a push button switch, and is provided on the main board 8 shown in FIG.

As shown in FIG. 12, the claws 39e of the battery cover 39 are normally fitted to the claws 1a of the front cover 1,
Battery cover 39 is in a closed state. When the battery cover 39 is opened, the slide button 40 urged in the positive x-axis direction by the coil spring 41 is slid in the direction of arrow D as shown in FIG. Slide in the direction of arrow B together with 40.

When the battery cover 39 is slid in the direction of arrow B, as shown in FIG.
e is disengaged from the pawl 1a of the front cover 1, and the battery cover 39 can rotate about the shaft 49 as shown in FIG. FIG. 16 is a yz plan view of the digital camera when the battery cover 39 is in a rotating state.

Conversely, when closing the battery cover 39, the battery cover 39 is rotated until it becomes parallel to the z-axis as shown in FIG. In the direction of the arrow, the tab 1a of the front cover 1 and the battery cover 3
Nine claws 39e are fitted. At this time, the slide button 40 is slid in the direction of arrow E by the coil spring 41 as shown in FIG.
Fixed so that it cannot slide in the axial direction. FIG.
FIG. 15 is an xz plan view of the digital camera when the slide button 40 is slid in the direction of the arrow E by the coil spring 41. FIG. 15 is a view of the digital camera in the state shown in FIG. It is -D sectional drawing.

In order to open the battery cover 39, FIG.
As shown in FIG. 1, when the slide button 40 is slid in the direction of arrow D, the detection lever 48 interlocked with the slide button 40 comes into contact with the detection switch 44 as shown in FIG. To When the detection switch 44 is turned on, the circuit on the main board 8 recognizes that the battery cover 39 is open. As soon as this recognition is performed, a termination process is performed for all the electrical systems of the digital camera. Thereby, there is no problem even if the battery 2 which is a power supply source is subsequently removed from the digital camera, and it is possible to prevent an electrical error from occurring.

When the battery cover 39 is closed and the slide button 40 is slid in the direction of arrow E as shown in FIG. 14, the detection lever 48 is separated from the detection switch 44 at this point, and the detection switch 44 is Since it is in the OFF state, all the electric systems of the digital camera return to the operable state.

Next, the structure of the card cover 45 is shown in FIG.
This will be described with reference to FIG.

FIGS. 17 to 20 are cross-sectional views of the digital camera shown in FIG. 2, taken along line EE, and show the progress of the card cover 45 being opened in order.

The digital camera has a removable memory card 30, and a card cover 45 is provided on the rear cover 43 so as to cover the memory card 30.

As shown in FIG. 17, at one end of the card cover 45, a rotating shaft 45a extending in the y-axis direction is provided.
The rotation shaft 45a is surrounded by the battery box 42, the projection 42c, and the front cover 1, and the rotation shaft 45a is
Cannot move in the direction of. A pawl 45b is provided at the other end of the card cover 45.
Are fitted in the catches 43a of the rear cover 43, and the card cover 45 is fixed so as not to be able to rotate about the rotation shaft 45a. The battery box 42 and the front cover 1 are made of a flexible material.
It shall be deformed when an external force is applied, and return to the original shape when the external force is removed.

To open the card cover 45 in order to replace the memory card 30, the protrusion 45 on the card cover 45
Put a finger on c and apply a force in the direction of arrow F. As a result, the rotating shaft 45a gets over the protrusion 42c of the battery box 42, resulting in the state shown in FIG. At this time, the claws 45b of the card cover 45 are fixed to the claws 43a of the rear cover 43.
, The card cover 45 is rotated by the rotating shaft 45a.
Can be rotated in the direction of arrow I around the center. Rotating shaft 45a
Is a direction perpendicular to the moving direction of the card cover 45 (y
It has an elliptical column shape (cam shape) with its axis as the axis.
Therefore, as shown in FIG. 19, the dimension H of the major axis of the rotating shaft 45a is larger than the dimension G between the battery box 42 and the front cover 1, and the card cover 45 is
When it is rotated about arrow 5a in the direction of arrow I,
a rotates while deforming the front cover 1 and the battery box 42. Then, the rotation proceeds, and FIG.
When the state shown in FIG.
2 and the front cover 1 are accommodated in the space formed by them without being deformed. At this time, the memory card 30 can be taken out of the digital camera.

In order to return the card cover 45 to the state shown in FIG. 19, a large turning force for deforming the battery box 42 and the front cover 1 is required. Therefore, a good operation for attaching and detaching the memory card 30 can be performed.

The detection switch 4 is provided on the operation board 28.
6 is provided, and the card cover 45 is
, The detection lever 45d of the card cover 45 always keeps the detection switch 46 in the ON state.
At the same time as the card cover 45 starts rotating, the detection lever 45d is separated from the detection switch 46, and the detection switch 46 is turned off. Detection switch 46 is OF
Immediately after the F state is reached, termination processing is performed on all the electric systems of the digital camera. This allows
Thereafter, even if the memory card 30 is removed from the digital camera, there is no problem, and it is possible to prevent an electrical error from occurring.

When the memory card 30 is inserted and the card cover 45 is fixed to the rear cover 43, the state shown in FIG. 17 is reached, and the digital camera returns to a usable state again.

(Second Embodiment) Next, a second embodiment will be described.

The configuration of the second embodiment is basically similar to that of the first embodiment.
Since the configuration is the same as that of the first embodiment, in the description of the second embodiment, the configuration of the first embodiment will be used and only different components will be described.

In the second embodiment, the structure of the card cover is different from that of the first embodiment.

FIGS. 21 and 22 are cross-sectional views taken along the line EE of the digital camera shown in FIG. 2, showing the states of the card cover 47 before and after sliding.

The card cover 45 according to the first embodiment
The rotary shaft 45a of the digital camera according to the second embodiment has an elliptical shape.
7a, as shown in FIG. 21, cylinders 47b having different diameters and having axes parallel to the y-axis on the same xy plane.
It has a shape (cam shape) in which 47c are connected by a tapered surface 47d. The diameter of the column 47b closer to the center of the card cover 47 is set to be larger than the diameter of the column 47c farther from the center of the card cover 47.

As a result, in the state shown in FIG.
When the card cover 47 is slid in the direction of arrow J, the outer periphery of the column 47b is
In addition, it is necessary to get over the projection 1b of the front cover 1. On the other hand, in the state shown in FIG.
7 is slid in the direction of arrow K,
From the state shown in FIG. 21, the force to get over the protrusion 42 c of the battery box 42 and the protrusion 1 b of the front cover 1 can be reduced.

Therefore, the card cover 47 in the closed state shown in FIG. 21 can be prevented from being accidentally slid in the direction of arrow J, and the card cover 47 once slid in the state shown in FIG. Can be easily slid in the direction of arrow K and closed, and a good operational feeling can be obtained.

In the second embodiment, as in the first embodiment, the rotation of the card cover 47 is substantially the same as that of the first embodiment. It is elliptical. Therefore, the card cover 47
Is rotated about the rotation shaft 47a, the rotation shaft 47a rotates while deforming the front cover 1 and the battery box 42. Then, as the rotation proceeds, the rotation shaft 47a fits in the space formed by the battery box 42 and the front cover 1 without deforming them. At this time, the memory card 30 can be taken out of the digital camera.

In order to return the card cover 47 to the closed state, a large turning force for deforming the battery box 42 and the front cover 1 is required, so that the card cover 47 does not rotate carelessly. A favorable operation for attaching and detaching the memory card 30 becomes possible.

As in the case of the first embodiment, a detection switch 46 is provided on the operation board 28, and when the card cover 47 is in each of the states shown in FIGS. Keeps the detection switch 46 ON at all times. Then, the detection switch 46 is turned off at the same time when the card cover 47 starts to rotate. As soon as the detection switch 46 is turned off, the termination processing is performed on all the electric systems of the digital camera. Thus, there is no problem even if the memory card 30 is subsequently removed from the digital camera, and it is possible to prevent an electrical error from occurring.

[0076]

As described above in detail, according to the present invention, there is provided a lid member opening / closing device having a lid member capable of opening and closing with respect to a hole of a housing, wherein the lid member opening / closing device is in a state of covering the hole of the housing. A sliding portion for allowing the lid member to be movable in a predetermined direction in parallel with the external plane of the housing, and when the lid member rotates at a position where the lid member has been moved in the predetermined direction. And a regulating member provided on the housing side, extending along the predetermined direction, and surrounding the cam portion to regulate the movement of the cam portion.

Further, the cover member opening / closing device prevents the cover member from rotating before the cover member is moved in the predetermined direction, and the cover member is moved in the predetermined direction. Then, there is further provided a rotation preventing member that allows the lid member to rotate.

As a result, the lid member can be opened without adding any special member while keeping the strength of the rotation preventing member for preventing the lid member from rotating before moving in the predetermined direction. A mechanism for stably maintaining the state can be realized, and operability with the lid open can be improved.

[Brief description of the drawings]

FIG. 1 is a perspective view of a digital camera equipped with a lid member opening / closing device according to an embodiment of the present invention, as viewed from the front side.

FIG. 2 is a perspective view of a digital camera to which a cover member opening / closing device according to an embodiment of the present invention is attached, as viewed from the rear side.

FIG. 3 is a sectional view of the digital camera shown in FIG.

FIG. 4 is an exploded view showing a configuration for electrically connecting batteries.

FIG. 5 is a sectional view of the digital camera shown in FIG.

FIG. 6 is a cross-sectional view of the digital camera shown in FIG.

7 is a cross-sectional view of the digital camera shown in FIG.

FIG. 8 is a diagram showing a case where the positions of terminal covers are different in the digital camera shown in FIG. 7;

FIG. 9 is a diagram showing a terminal cover.

FIG. 10 is an assembly view showing a configuration of a battery lid unit.

FIG. 11 is an xz plan view of the digital camera when the battery cover is in a closed state.

12 is a sectional view of the digital camera in the state shown in FIG. 11, taken along line DD of the battery cover shown in FIG. 10;

FIG. 13 is an xz plan view showing a detection lever and a detection switch.

FIG. 14 is an xz plan view of the digital camera when the slide button is slid in the direction of arrow E by a coil spring.

15 is a sectional view of the digital camera in the state shown in FIG. 14, taken along the line DD in FIG. 10;

FIG. 16 is a yz plan view of the digital camera when the battery cover is in a rotating state.

17 is a cross-sectional view taken along the line EE of the digital camera shown in FIG. 2, showing a first lapse state in which the card cover is opened.

18 is a cross-sectional view of the digital camera shown in FIG. 2, taken along line EE, showing a second lapse state in which the card cover is opened.

19 is a cross-sectional view of the digital camera shown in FIG. 2, taken along line EE, showing a third lapse state in which the card cover is opened.

20 is a cross-sectional view of the digital camera shown in FIG. 2, taken along line EE, showing a fourth lapse state in which the card cover is opened.

21 is a cross-sectional view of the digital camera shown in FIG. 2, taken along line EE, showing a state before the card cover slides.

22 is a cross-sectional view of the digital camera shown in FIG. 2, taken along line EE, showing a state after the card cover slides.

FIG. 23 is a sectional view showing a conventional lid member having the first configuration.

FIG. 24 is a sectional view showing a conventional lid member having a second configuration.

FIG. 25 is a cross-sectional view showing a conventional lid member having a third configuration.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Front cover (housing, slide part, regulating member, wall part) 1a Claw 1b Projection (projection part) 3 Sheet metal terminal 3e Curl bending 4 Sheet metal terminal 30 Memory card (storage medium) 39 Battery cover 39e Claw 40 Slide button 41 Coil spring 42 Battery Box (Housing, Restriction Member, Wall) 42c Projection (Protrusion) 43 Rear Cover (Housing, Slide) 43a Nail Receptor (Rotation Prevention Member) 44 Detection Switch 45 Card Cover (Lid) 45a Rotation Shaft (cam portion) 45b pawl (rotation preventing member) 46 Detection switch (signal output means) 47 Card cover (lid member) 47a Rotating shaft (cam portion) 47b Column 47c Column 47d Tapered surface 48 Detection lever 49 Axis F Move Direction (predetermined direction)

Continued on the front page F term (reference) 2H054 AA01 CD00 2H100 AA52 AA53 AA56 AA57 3E084 AA05 AA14 AA24 AB10 BA02 CA03 CC03 FA06 FC16 FC18 FC19 GA06 GB06 GB23 LA18 LB02 LB09

Claims (11)

[Claims] 1. A lid member opening / closing device provided with a lid member that can be opened and closed with respect to a hole portion of a housing, wherein the lid member that covers the hole portion of the housing is positioned with respect to an external plane of the housing. A slide portion for allowing movement in parallel in a predetermined direction; and a cam portion provided on a rotation axis when the lid member rotates at a position where the lid member has been moved in the predetermined direction. , Provided on the housing side, extends along the predetermined direction,
A lid member opening / closing device, comprising a regulating member surrounding the cam section to regulate the movement of the cam section. 2. The lid member is prevented from rotating before the lid member is moved in the predetermined direction, and when the lid member is moved in the predetermined direction, the lid member is moved. The lid member opening / closing device according to claim 1, further comprising a rotation preventing member that allows the rotation. 3. The rotation preventing member according to claim 1, further comprising: a pawl portion provided on the lid member; and a pawl receiving portion provided on the housing and engaged with the pawl portion. 3. The lid member opening and closing device according to 2. 4. The lid member opening / closing device according to claim 1, wherein the regulating member is made of a flexible material. 5. The regulating member comprises: two parallel wall portions extending along the predetermined direction; and at least one of the two wall portions moving in the predetermined direction by the cam portion. The lid member opening / closing device according to any one of claims 1 to 4, further comprising a projection provided to prevent the opening / closing. 6. The lid member opening / closing device according to claim 1, wherein the cam portion is provided on one end side of the lid member in a longitudinal direction. 7. The cam portion according to claim 1, wherein the cam portion has an elliptical column shape with a longitudinal direction of the lid member as a major axis direction and an axis centered on a direction perpendicular to the predetermined direction. 7. The lid member opening / closing device according to any one of 6. 8. The cam portion according to claim 1, wherein the cam portion has a shape in which two cylinders having axes parallel to a direction perpendicular to the predetermined direction and having different diameters are connected by a tapered surface. A lid member opening / closing device according to claim 6. 9. The method according to claim 8, wherein a diameter of a cylinder closer to a center of the lid member is larger than a diameter of a cylinder farther from the center of the lid member.
A lid member opening / closing device according to any one of the preceding claims. 10. The apparatus according to claim 1, further comprising signal output means for outputting a predetermined signal when said lid member moves from a position covering said hole of said housing to a rotation position.
A lid member opening / closing device according to claim 9. 11. A storage medium is stored in the hole of the housing, and further includes processing means for terminating storage processing on the storage medium when the predetermined signal is output from the signal output means. The lid member opening / closing device according to claim 10, wherein: