JP2014150097A - Electronic apparatus with lid - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily discharge the water entering the inside of a lid, in an electronic apparatus where the housing chamber of a housing is closed with the lid so as to be opened and closed.SOLUTION: In an electronic apparatus, a lid 2 includes a body member 5, and a plate member disposed to face the inner surface of the body member 5. A plurality of intercrossing ribs are projecting from the inner surface of the body member 5. A plurality of ribs 55, 56, out of these ribs, having apical surfaces abutting against the plate member or facing the plate member with a small gap extend in a direction inclining for the horizontal direction, when the housing is held in a predetermined position while closing the lid 2.

Description

  The present invention relates to an electronic apparatus having a lid that can be opened and closed like a digital camera.

  In this type of electronic device, a housing chamber for memory cards and batteries is formed inside a housing containing optical components and electronic components, and the opening of the housing chamber is supported at the end of the housing so as to be openable and closable. It is closed by the lid that is made.

Incidentally, various waterproof structures have been proposed for electronic devices such as mobile phones and digital cameras in order to waterproof the device body (for example, Patent Documents 1 and 2).
For example, the housing should have a waterproof structure, and a waterproof packing is fixed to the inner surface of the lid, and the inner space of the housing is sealed by closing the lid so that it can be used in water. Is done.

JP 2001-215663 A JP 2012-7697 A

  However, even in an electronic device in which the casing has a waterproof structure and waterproof packing is fixed to the inner surface of the lid body, if the lid body configured by combining a plurality of members is not waterproofed, When in use, water intrudes into the inside of the lid from the gap of the lid, and then when the lid is opened for battery replacement etc., the water inside the lid flows out and enters the internal space of the housing. There is a risk of it.

  In general, the lid body includes a main body member made of synthetic resin, and a plurality of reinforcing ribs are projected in a lattice shape on the inner surface of the main body member. It is blocked by ribs extending in the horizontal direction and stays inside the lid.

  Accordingly, an object of the present invention is to provide an electronic device in which water that has entered the inside of the lid is easily discharged out of the lid with the lid closed.

  In the electronic device according to the present invention, an article storage chamber (10) is formed in the housing (1), and the opening (11) of the storage chamber (10) is a lid (2) that can be opened and closed. The lid body (2) includes a main body member (5) and a plate member (22) arranged to face the inner surface of the main body member (5). A plurality of ribs crossing each other are projected on the inner surface, and the main body member (5) is reinforced by the plurality of ribs, and is used in a state in which the casing (1) is held in a predetermined posture. The

  Here, among the plurality of ribs projecting from the main body member (5) of the lid (2), the plurality of ribs whose tip surfaces are in contact with the plate member (22) or opposed with a slight gap. The ribs (55) and (56) extend in a direction that is inclined with respect to the horizontal direction when the housing (1) is held in the predetermined posture with the lid (2) closed. ing.

  According to the electronic apparatus of the present invention, the lid (2) is formed from the gap formed between the body member (5) and the plate member (22) constituting the lid (2), for example, when used in water. Even if water enters the interior of the lid (2), when the casing (1) is held in a predetermined posture by the user with the lid (2) being closed, the water enters the lid (2). Water flows diagonally downward along a plurality of ribs (55) and (56) extending in an oblique direction, and then the lid is formed from a gap formed between the main body member (5) and the plate member (22). It will be discharged outside (2).

In a specific embodiment, a plurality of concave grooves (55b) (55c) (56a) in which a water flow path is to be formed are formed on the front end surface of the plurality of ribs (55) (56) of the lid (2). Is formed.
More specifically, the plurality of concave grooves (55b) (55c) (56a) are formed such that the plurality of ribs (55) (56) intersect with each other and the lid (2) is closed. The housing (1) is formed at the lowest position when held in the predetermined posture.

  According to the electronic device, in the process in which the water inside the lid flows obliquely downward along the plurality of ribs (55) (56), the concave grooves (55b) (55c) of these ribs (55) (56). ) (56a), it flows further downward than these ribs (55) (56) and is finally discharged out of the lid (2) from the gap of the lid (2). Become.

  According to the electronic device of the present invention, water that has entered the inside of the lid (2) can be easily moved out of the lid (2) while the housing (1) is held in a predetermined posture. Will be discharged.

FIG. 1 is a perspective view showing a state in which a lid of a digital camera according to an embodiment of the present invention is closed. FIG. 2 is a perspective view showing a state in which the lid of the digital camera is opened. FIG. 3 is a horizontal sectional view of the digital camera. 4 is an enlarged cross-sectional view of a portion A in FIG. FIG. 5 is a back view showing a state where the plate member is removed from the lid. FIG. 6 is a perspective view showing a state in which the plate member and the slide operator are removed from the lid. FIG. 7 is an exploded perspective view in a state where the plate member and the slide operation element are removed from the lid. FIG. 8 is a perspective view of a lid body showing another embodiment of the present invention.

Hereinafter, embodiments of the present invention applied to a digital camera will be described in detail with reference to the drawings.
As shown in FIGS. 1 and 2, a digital camera according to an embodiment of the present invention is provided on the side of a substantially rectangular parallelepiped housing (1) having a shutter button (12) and a photographing lens (13). A lid (2) having substantially the same contour as the side surface of the body (1) is provided, and the lower end of the lid (2) is supported by a hinge mechanism (3).
The casing (1) is waterproofed by a well-known waterproof structure in order to enable underwater photography.

  As shown in FIG. 1, the digital camera usually has a housing (1) in a predetermined posture (hereinafter simply referred to as a predetermined posture) with the shutter button (12) facing upward and the photographing lens (13) facing forward. Is held by the user and shooting is performed.

  The lid (2) includes a slide operator (6) for locking the lid (2) in the closed position, and a rotary operator (7) for preventing the lid (2) from being unlocked. The operation knobs 61 and 71 that can be operated from the outside of the lid body 2 are provided on both the operation elements 6 and 7 respectively.

When locking the lid (2) in the closed position, after sliding the operation knob (61) of the slide operation element (6) in one direction, the operation knob (71) of the rotation operation element (7) is predetermined. Rotate to the angle.
If the operation knob (71) of the rotary operation element (7) is operated in the reverse direction and then the operation knob (61) of the slide operation element (6) is operated in the reverse direction, the lock is released and the lid (2) Can be opened from the closed position shown in FIG. 1 to the open position shown in FIG.

  A housing chamber (10) for housing a memory card (9) and a battery (91) is formed inside the housing (1) as shown in FIG. 2, and by opening the lid (2), The opening (11) of the storage chamber (10) is exposed, and the memory card (9) and the battery (91) can be replaced.

  As shown in FIGS. 3 and 4, the lid (2) includes a synthetic resin main body member (5) and a metal plate member (22) arranged opposite to the main body member (5). In the space (20) formed between the main body member (5) and the plate member (22), members constituting the slide operation element (6) and the rotation operation element (7) and attached members are described later. Is deployed.

As shown in FIG. 2, a waterproof packing (4) is fixed to the outer surface of the plate member (22) of the lid (2).
As shown in FIG. 4, the waterproof packing (4) is composed of a resin member (41) having moderate elasticity and a metal member (40) embedded in the resin member (41), as shown in FIG. By closing the lid (2), the opening (11) of the housing (1) is sealed, and the intrusion of water into the accommodation chamber (10) is prevented.

  As shown in FIG. 5, on the inner surface of the main body member (5) of the lid (2), a pair of protrusions (in the width direction of the main body member (5)) extending in the longitudinal direction of the main body member (5) ( 5a) and 5b are formed, and as shown in FIG. 4, the plate member (22) is the main body member with the plate member (22) engaged with the inside of the pair of protrusions (5a) and (5b). Fixed to (5).

  As shown in FIG. 5, a long hole (63) is formed in the slide operator (6), and a guide shaft (603) protruding from the inner surface of the main body member (5) is fitted into the long hole (63). Thus, the slide between the two positions of the slide operator (6) is guided.

  Further, a hook piece (62) projects from the tip of the slide operation element (6), and the slide operation element (6) is slid upward in FIG. 5 with the lid (2) closed. Thus, the hook piece (62) is engaged with the housing (1) and the lid (2) is prevented from opening.

  The operation knob (61) of the slide operator (6) shown in FIG. 1 extends from the substantially rectangular first opening (51) opened in the main body member (5) to the outside of the main body member (5) as shown in FIG. Come out.

  As shown in FIG. 7, the rotary operation element (7) has a cylindrical part (70), and the cylindrical part (70) is rotatably fitted in a circular second opening (52) formed in the main body member (5). In the joined state, a holding plate (73) made of sheet metal is fixed to the inner surface of the cylindrical portion (70) with screws (74). The screw (74) passes through the central hole (43a) of the holding plate (73) and is screwed into the screw hole (7a) of the rotary operation element (7).

  On the inner surface of the rotary operator (7), a regulating pin (72) protrudes from the side of the screw hole (7a), and the rotary operator (7) is rotated at a predetermined angle. The pin (72) comes into contact with the end face of the slide operation element (6) to prevent the slide operation element (6) from moving in the unlocking direction.

  As shown in FIG. 7, the main body member (5) is formed with a bearing portion (50) constituting the hinge mechanism (3) at the base end portion thereof.

  Further, on the inner surface of the main body member (5), a plurality of short first ribs (53) (53) (54) for receiving the slide operation element (6), and the plate member (22) A plurality of tall second ribs (55) (56) (57) (58) (59) (60) facing each other with a slight gap, and a sufficient gap between the plate member (22) A plurality of third ribs (600), (601), and (602) that face each other are protruded, and the main body member (5) is reinforced by these ribs.

Here, the plurality of first ribs (53), (53) and (54) extend in the longitudinal direction of the main body member (5) and the width direction perpendicular thereto, and cross each other in a lattice shape. The plurality of third ribs (600), (601) and (602) are shorter than the second ribs and extend in the longitudinal direction of the main body member (5).
On the other hand, the plurality of second ribs (55) (56) (57) (58) (59) (60) extend in a direction inclined with respect to the width direction of the main body member (5) and Crossed in a letter shape.

The first rib (54) extending in the width direction of the main body member (5) between the first opening (51) and the second opening (52) has a plurality of concave grooves (54a) with its front end surface recessed. (54b) is formed.
In addition, the two second ribs (55) and (56) intersecting each other in the vicinity of the second opening (52) have an X-shaped concave groove in which the end surface is recessed at the crossing position. (55b) is formed, and a plurality of concave grooves (55a) (55c) (56a) (56b) whose concave end surfaces are recessed at the crossing position with the pair of protrusions (5a) (5b). Is formed.

In addition, the two second ribs (57) and (58) intersecting each other between the second opening (52) and the bearing portion (50) are recessed at the front end surfaces of the two ribs (57) and (58). A letter-shaped concave groove (58a) is formed, and a plurality of concave grooves (57a) (58b) are formed at the crossing position with the pair of protrusions (5a) (5b). Has been.
Further, the two second ribs 59, 60 that cross each other in the vicinity of the bearing portion 50 have a V-shaped concave groove having a recessed front end at the crossing position. 59a) is formed.

In the digital camera, the housing (1) has a waterproof structure, and the opening (11) of the housing (1) is sealed by the waterproof packing (4) in a state where the lid (2) is closed. Therefore, water does not enter the case (1) when used in water.
However, since the lid (2) does not have a waterproof structure, a surrounding gap or opening formed between the body member (5) and the plate member (22) constituting the lid (2) ( Water enters the internal space (20) from the gaps 51) and 52.

  However, the plurality of second ribs (55) (56) (57) (58) (59) (60) that abut against the plate member (22) of the lid (2) or face each other with a slight gap are: When the housing (1) is held in a predetermined posture with the lid (2) closed, the water is infiltrated into the space (20) inside the lid because it tilts with respect to the horizontal direction. Flows obliquely downward along the second ribs (55) (56) (57) (58) (59) (60).

And the cross position of the second rib (55) (56) (57) (58) (59) (60) or the second rib (55) (56) (57) (58) (59) (60) The water that has reached the lowest position passes through the grooves (55b) (55c) (56a) (58a) (59a) formed at that position and flows downward, and in the process, the body member (5) It is discharged out of the lid (2) from the surrounding gap formed between the plate member (22) and the plate member (22).
At this time, since the first rib (54) is shorter than the second rib and the concave grooves (54a) (54b) are formed, water is not blocked.

  Even in a posture in which the rear surface of the housing (1) is held substantially horizontally, water that has entered the inside of the lid (2) is retained by the second rib (55) (56) (57) (58) (59) After flowing obliquely downward along (60), a plurality of grooves (55b) (55b) formed at the crossing positions of these ribs (55) (56) (57) (58) (59) (60) ( 58a) (59a) flows downward, and further, the groove (55a) formed in the lowest position of these ribs (55) (56) (57) (58) (59) (60) (56a) (57a) or the groove (56b) (55c) (56b) (58b) flows downward and flows between the body member (5) and the plate member (22) in the process. It will be discharged out of the lid (2) from the surrounding gap.

In this way, the inside of the lid (2) has the second ribs (55) (56) (57) (58) (59) (60) and a plurality of concave grooves in these ribs to discharge water. Since the path is formed, water does not stay inside the lid (2).
Therefore, when the lid (2) is opened, water does not enter the storage chamber (10) of the casing (1).

  According to the digital camera, the rib (2) of the lid (2), in particular, abuts against the plate member (22) of the lid (2) among the plurality of ribs protruding from the plate member (22). The main body member (5) is sufficiently reinforced by the formation of a plurality of tall second ribs (55) (56) (57) (58) (59) (60) facing each other with a slight gap. become.

In addition, each part structure of this invention is not restricted to the said embodiment, A various deformation | transformation is possible within the technical scope as described in a claim. For example, the first rib (54) of the main body member (5) shown in FIG. 6 also has two ribs (540) (540) extending obliquely as shown in FIG. 8, and a concave groove (54a) is formed in each rib. ) (54b) can be employed. In this case, the slide operator (6) facing the two ribs (540) (540) serves as a plate member constituting the present invention.
The present invention is not limited to a digital camera and can be implemented in various electronic devices having a lid.

(1) Case
(10) Containment room
(11) Opening
(2) Lid
(20) Space
(4) Waterproof packing
(5) Body member
(51) 1st opening
(52) Second opening
(55) Ribs
(56) Ribs
(57) Ribs
(58) Ribs
(59) Ribs
(60) Ribs

Claims (4)

An article storage chamber is formed inside the housing, and the opening of the storage chamber is closed by a lid that can be opened and closed, and the lid is disposed to face the main body member and the inner surface of the main body member. A plurality of ribs intersecting each other are projected on the inner surface of the main body member, and the main body member is reinforced by the plurality of ribs, and the casing is held in a predetermined posture. In the electronic equipment used in the
Among the plurality of ribs projecting from the main body member of the lid, the plurality of ribs whose tip faces abut against the plate member or face each other with a slight gap are in a state where the lid is closed. An electronic apparatus having a lid, wherein the casing extends in a direction that is inclined with respect to a horizontal direction when the casing is held in the predetermined posture.   2. The electronic device according to claim 1, wherein a plurality of concave grooves in which a water discharge path is to be formed are formed on tip surfaces of the plurality of ribs of the lid.   The plurality of concave grooves are formed at a position where the plurality of ribs intersect each other and a position where the casing is lowest when the casing is held in the predetermined posture with the lid closed. Item 3. The electronic device according to Item 2.   The said housing | casing has a waterproof structure, the waterproof packing is being fixed to the inner surface of the plate member of the said cover body, The said storage chamber is sealed by closing this cover body. 4. The electronic device according to any one of 3.

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