JP2012199102A - Electronic apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electronic apparatus capable of preventing the breakage of a resinous shaft portion, when undue pressing force or tensile force is acted on a lid portion rotatably supported by the shaft portion.SOLUTION: A lid side hinge portion 32 has: a pair of arm portions 33; and a first shaft portion 34 and a second shaft portion 35 which are coupled to the arm portions 33 and orthogonal to longitudinal directions of the arm portions. A housing side hinge portion 31 has a first supporting portion 36 for supporting the first shaft portion 34, and a second supporting portion 37 for supporting the second shaft portion 35. The first supporting portion 36 has a first regulating surface 38 for regulating the first shaft portion 36 so as not to separate from a housing 20 in a depth direction of a housing recessed portion 24, and the second supporting portion 37 has a second regulating surface 39 for regulating the second shaft portion 35 so as not to move in an approaching direction to the housing recessed portion 24. Therefore, when a lid member 26 is forcibly pressed or stretched, another regulating surfaces 38 and 39 regulate movement, so that a hinge portion 30 can be prevented from breaking.

Description

  The present invention relates to an electronic device configured such that a battery is accommodated in a housing recess provided in a housing, and the housing recess containing the battery is covered with a lid member.

  An electronic device is usually a housing, a circuit board housed in the housing, a connector mounted on the circuit board, and a connector that is provided on the housing and houses a part of the circuit board and a part of the connector. Opening. The housing is configured by combining a case and a cover.

In an electronic device, a battery pack housing portion (hereinafter referred to as a housing recess) is formed in a housing, the battery pack is housed in the housing recess, and is provided at one end of a battery lid (hereinafter referred to as a lid member) that covers the housing recess. There is one in which a locking claw is formed and a lock lever is assembled on the other end side.
According to such an electronic device, when the housing recess is covered with the lid member, the latching claw of the lid member is latched on the housing side, and then the lock lever is operated to latch on the housing side. Thereby, it is possible to hold | maintain a cover member in a housing | casing in the state which covered the accommodation recessed part (for example, patent document 1).

Further, as shown in FIG. 6, the lid member 100 may be attached to the housing 101 so as to be detachable and rotatable.
In this case, the shaft portion 102 is provided in the casing 101 by integral molding, and the bearing portion 103 having a partial opening 104 is provided in the lid member 100 by integral molding. Then, the shaft portion 102 of the housing 101 is inserted from the opening 104 of the bearing portion 103 of the lid member 100, and the lid member 100 is attached to the housing 101 by rotating.

Japanese Patent No. 4424445 (FIG. 3)

However, in the conventional electronic device as shown in FIG. 6, when the lid member 100 is attached to the housing 101, the attachment angle of the lid member 100 is limited to a predetermined angle. The lid member 100 is prevented from falling off from the housing 101.
For this reason, if the lid member 100 is forcibly pulled or pushed at any other angle than this mounting angle, or if the lid member 100 is rotated beyond the limit, an excessive force acts on the shaft portion 102 and the bearing portion 103. There was a problem that it might be damaged.

  The present invention was made to solve the conventional problems, and when an excessive pressing force or pulling force is applied to the lid portion rotatably supported by the resin shaft portion, the shaft portion An object of the present invention is to provide an electronic device that can prevent damage to the device.

  An electronic device according to the present invention is provided with a housing, a housing recess provided in the housing and housing the battery pack, a lid member covering the housing recess, and the lid member rotating with respect to the housing. A hinge portion, and the hinge portion includes a housing-side hinge portion provided in the housing, and a lid-side hinge portion provided in the lid member. A pair of arm portions provided on the lid member and extending toward the housing-side hinge portion, and a first shaft connected to the arm portions and orthogonal to the longitudinal direction of the arm portions and projecting toward each other And a second shaft portion projecting in a direction away from each other, the housing side hinge portion supporting the first shaft portion, and a second support portion supporting the second shaft portion And the first support portion is the case along the depth direction of the housing recess. A first regulating surface that regulates the first shaft portion so as not to separate, and the second support portion restricts the second shaft portion from moving in a direction in which the second shaft portion approaches the housing recess. It has a regulatory aspect.

  According to the electronic device of the present invention, the first restriction surface of the first support portion of the hinge portion restricts the first shaft portion from separating from the housing along the depth direction of the housing recess. Moreover, the 2nd control surface of the 2nd support part of a hinge part controls the movement to the direction in which a 2nd axial part approaches an accommodation recessed part. For this reason, when the lid member is forcibly pressed or forcibly pulled, the movement of another restricting surface restricts the movement, so that it is possible to provide an electronic device having an effect of preventing the hinge portion from being damaged.

The perspective view which shows the state which removed the 1st cover member in the electronic device of embodiment which concerns on this invention. Enlarged perspective view of hinge part Exploded perspective view of hinge part Explanatory drawing which shows the dimension of each part in a case side hinge part and a lid side hinge part (A)-(C) is a perspective view which shows the process of attaching a 2nd cover member. Explanatory drawing which shows the problem in the lid of the conventional electronic device

Hereinafter, an electronic apparatus according to an embodiment of the present invention will be described with reference to the drawings.
As shown in FIG. 1, an electronic device 10 according to an embodiment of the present invention is, for example, a mobile terminal, and is formed in a first casing (housing) 20 formed in a substantially rectangular shape and a substantially rectangular shape. And a connecting portion (not shown) that connects the first housing 20 and the second housing 11 so as to be openable and closable.
Accordingly, the electronic device 10 is relatively rotated around the connecting portion, so that the first housing 20 and the second housing 11 are overlapped with each other, and the electronic device 10 is relatively positioned around the connecting portion. The first housing 20 and the second housing 11 can be unfolded in a direction in which they are separated from each other.

The first housing 20 has a thin rectangular box-shaped case 21 whose bottom surface (the bottom surface in FIG. 1) is open, and a cover 22 that closes the opening of the case 21, and the surface of the cover 22 (the bottom surface in FIG. 1) An operation unit having operation keys and the like is provided.
The second housing 11 has a rectangular box shape, and a display unit made of a liquid crystal display panel is provided on the surface (the lower surface in FIG. 1).

A housing recess 24 for housing the battery pack 23 is provided on one side in the longitudinal direction of the bottom surface (upper surface in FIG. 1) 211 of the case 21 of the first housing 20. The storage recess 24 is provided with a first lid member 25 on the outer side (outside of the case 21) and a second lid member 26 as a lid member on the inner side of the first lid member 25 (inside of the case 21). It has been.
The first lid member 25 is detachably attached by sliding in the longitudinal direction of the first housing 20.

The second lid member 26 is a member for waterproofing the housing recess 24 and protecting the battery pack 23 from water, and is provided so as to be rotatable with respect to the first housing 20 via the hinge portion 30. . The second lid member 26 is a rectangular plate-like member, and a packing 27 is attached along the outer peripheral edge. The packing 27 seals the opening of the housing recess 24 over the entire circumference.
The hinge portion 30 includes a housing side hinge portion 31 provided in the first housing 20 and a lid side hinge portion 32 provided in the second lid member 26.

As shown in FIGS. 2 and 3, the lid side hinge portion 32 has a pair of arm portions 33, 33 that are implanted in the second lid member 26 and extend toward the housing side hinge portion 31. Further, the arm portion 33 includes first shaft portions 34 and 34 projecting in a direction perpendicular to the longitudinal direction of the arm portion 33 and approaching each other, and second shaft portions 35 and 35 projecting away from each other. Is provided.
The pair of first shaft portions 34, 34 are surfaces that extend in the longitudinal direction of the first housing 20 through the center of the distance between the pair of arm portions 33, 33 (hereinafter referred to as “center plane CP”, see FIG. 4). Are provided symmetrically. Further, the pair of second shaft portions 35 and 35 are also provided at symmetrical positions with respect to the center plane CP.

On the other hand, the housing-side hinge portion 31 includes a first support portion 36 that supports the pair of first shaft portions 34 and 34 of the lid-side hinge portion 32 and a pair of second shaft portions 35 and 35 that support the pair of second shaft portions 35 and 35. And support portions 37, 37.
The first support portion 36 is a pair that restricts the pair of first shaft portions 34, 34 from separating from the first housing 20 along the depth direction of the housing recess 24 (vertical direction in FIGS. 2 and 3). The first regulating surfaces 38, 38 are provided.
The pair of second support portions 37, 37 each have a second restriction surface 39 that restricts the second shaft portion 35 from moving in a direction (lower left direction in FIGS. 2 and 3) approaching the housing recess 24. In addition, a slope 372 that rises rearward is provided on the front surface of the second support portion 37 (on the housing recess 24 side).

The first support portion 36 is provided around the center plane CP, and the first restriction surface 38 is provided symmetrically with respect to the center plane CP. Accordingly, the first support portion 36 has a T shape.
In addition, the pair of second support portions 37 and 37 are provided at symmetrical positions with respect to the center plane CP, and the pair of second restriction surfaces 39 and 39 are also provided at symmetrical positions with respect to the central plane CP. .

As shown in FIG. 4, in the lid-side hinge portion 32, the width of the arm portion 33 is BA1, the protruding amount of the first shaft portion 34 is BA2, the protruding amount of the second shaft portion 35 is BA3, and the entire width is BA.
Further, in the case-side hinge portion 31, the protruding amount of the first restricting surface 38 is BB1, the width of the second restricting surface 39 is BB2, the distance between the first support portion 36 and the second support portion 37 is BB3, and the entire width is BB. And The upper surface 361 of the first support part 36 and the upper surface 371 of the second support part 37 have the same height.

  The full width BA of the lid side hinge part 32 is at least smaller than the full width BB of the case side hinge part 31 (BA <BB). The width BA1 of the arm portion 33 is smaller than the interval BB3 between the first support portion 36 and the second support portion 37 (BA1 <BB3). The protrusion amount BA2 of the first shaft portion 34 is smaller than the protrusion amount BB1 of the first restricting surface 38 (BA2 <BB1). The protrusion amount BA3 of the second shaft portion 35 is smaller than the width BB2 of the second restricting surface 39 (BA3 <BB2).

Next, how to attach the second lid member 26 will be described.
First, as illustrated in FIG. 5A, the arm portion 33 of the lid side hinge portion 32 is positioned in front of the first support portion 36 and the second support portion 37 of the housing side hinge portion 31. Position.
Next, as shown in FIG. 5 (B), the second lid member 26 is moved closer to the housing-side hinge portion 31 and the second shaft portion 35 is raised along the inclined surface 372 of the second support portion 37, The shaft portion 34 is inserted below the first restriction surface 38 of the first support portion 36.

At this time, since only the second shaft portion 35 side is raised, the arm portion 33 is slightly twisted, and when the second shaft portion 35 gets over the upper surface 371 of the second support portion 37, Due to the elastic force, the second shaft portion 35 descends behind the second restricting surface 39 (on the opposite side of the housing recess 24) (see FIG. 5C).
As a result, the first shaft portion 34 is positioned below the first restricting surface 38 and the second shaft portion 35 is positioned behind the second restricting surface 39, so that the second lid member 26 is in the first housing. The body 20 is pivotally attached.

As described above, according to the electronic apparatus 10 according to the embodiment of the present invention described above, the first shaft portion 34 and the second shaft portion 35 of the lid side hinge portion 32 are respectively connected to the first support portion 36 and the housing side hinge portion 31. By being supported by the second support portion 37, the second lid member 26 is rotatably attached to the first housing 20.
At this time, the first regulating surface 38 of the first support portion 36 of the housing-side hinge portion 31 is formed so that the first shaft portion 34 of the lid-side hinge portion 32 extends from the first housing 20 along the depth direction of the housing recess 24. Regulate not to leave. Further, the second restriction surface 39 of the second support portion 37 restricts the movement of the second shaft portion 35 in the direction in which the second shaft portion 35 approaches the housing recess 24.
For this reason, when the force which forcibly presses the 2nd cover member 26 or forcibly pulls it acts, since another control surface 38 and 39 controls a movement, it can prevent that the hinge part 30 is damaged. .

  Further, since the housing-side hinge portion 31 and the lid-side hinge portion 32 are formed symmetrically with respect to the center plane CP, it is possible to prevent a biased force from acting when attaching and detaching, and to prevent the hinge portion 30 from being damaged. it can.

Note that the electronic apparatus of the present invention is not limited to the above-described embodiment, and appropriate modifications and improvements can be made.
For example, in the above-described embodiment, the case of the double lid structure including the first lid member 25 and the second lid member 26 is exemplified, but the present invention can be similarly applied even when the lid has one lid.

  As described above, in the electronic device according to the present invention, the first restriction surface of the first support portion of the hinge portion restricts the first shaft portion from separating from the housing along the depth direction of the housing recess. . Moreover, the 2nd control surface of the 2nd support part of a hinge part controls the movement to the direction in which a 2nd axial part approaches an accommodation recessed part. For this reason, when the lid member is forcibly pressed or pulled forcibly, the movement of another regulating surface regulates the movement, so that the hinge portion can be prevented from being damaged and is provided in the housing. The battery is housed in the housing recess, and is useful as an electronic device or the like configured to cover the housing recess containing the battery with a lid member.

10 Electronic device 20 First housing (housing)
23 Battery pack 24 Containing recess 26 Second lid member (lid member)
DESCRIPTION OF SYMBOLS 30 Hinge part 31 Housing | casing side hinge part 32 Cover side hinge part 33 Arm part 34 1st axial part 35 2nd axial part 36 1st support part 37 2nd support part 38 1st regulation surface 39 2nd regulation surface

Claims (1)

A housing,
A housing recess provided in the housing for housing the battery pack;
A lid member covering the housing recess;
A hinge portion for rotating the lid member relative to the housing,
The hinge portion has a housing side hinge portion provided in the housing, and a lid side hinge portion provided in the lid member,
The lid side hinge part is
A pair of arms provided on the lid member and extending toward the housing-side hinge;
A first shaft portion connected to the arm portion, orthogonal to the longitudinal direction of the arm portion and protruding in a direction approaching each other, and a second shaft portion protruding in a direction away from each other;
The housing-side hinge is
A first support part for supporting the first shaft part;
A second support part for supporting the second shaft part,
The first support portion has a first restriction surface that restricts the first shaft portion from separating from the housing along the depth direction of the housing recess,
The electronic apparatus which has a 2nd control surface which controls so that a said 2nd support part may not move to the direction in which the said 2nd axial part approaches the said accommodating recessed part.

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