JP3761527B2 - Battery cover structure - Google Patents

Description

[0001]
[Technical field to which the invention belongs]
The present invention relates to a battery cover mounting / fixing structure of a portable electronic device, and more particularly to a battery cover structure of a mobile phone or the like.
[0002]
[Prior art]
Conventionally, as a battery storage structure for a portable electronic device such as a mobile phone, a structure in which a battery is stored in a battery storage portion formed in a case of the portable electronic device and the outside of the battery is covered with a cover has been adopted (patent) Reference 1).
[0003]
[Patent Document 1]
Japanese Patent Laid-Open No. 11-25940
FIG. 6 is a view showing a battery housing structure of a housing cover of a portable electronic device corresponding to the conventional example. A step including the side surface side of the housing cover 201 and a slide groove 203 of the battery lid 207 along the side surface are formed on the lower side of the back surface of the housing cover 201 of the portable electronic device 20. In addition, a battery pocket 202 and a lock portion 204 that locks the battery lid 207 are formed on the back surface of the housing cover 201. On the other hand, the battery cover 207 is formed in a curved shape that wraps around the side surface of the housing cover 201 so as to engage with the step portion of the housing cover 201, and an engaging portion that engages with the slide groove 203 at the end and the lock portion 204. And a lock claw 206 to be fitted. In this battery lid structure, after the power supply battery 205 is stored in the battery pocket 202, the battery lid 207 is slid after the end is engaged with the slide groove 203 from the lower side of the portable electronic device, and the lock claw 206 is formed as a housing. It is structured to be fitted to the lock part 204 of the cover 201.
[0005]
[Problems to be solved by the invention]
The above-described battery lid (cover) structure is configured such that the battery cover is slid in the longitudinal direction of the portable electronic device. Therefore, the other side of the battery cover except the surface with the lock claw of the case cover turns around the side of the case cover. It is formed in an intricate shape. Therefore, there is a problem that when the portable electronic device body is dropped, the corners of the battery cover directly hit the ground or the like and are damaged.
[0006]
In addition, as a shape structure in which the battery cover itself is provided with measures against damage due to dropping, it is necessary to increase the thickness of the top surface and the side surface of the battery cover, and the thickness and size (width) of the portable electronic device There is also the problem of growing.
[0007]
(the purpose)
An object of the present invention is to provide a battery cover structure for a portable electronic device that is not easily damaged even when the portable electronic device is dropped.
Another object of the present invention is to provide a battery cover structure for a portable electronic device that can be fixed within the range of the flat portion of the housing.
Another object of the present invention is to provide a battery cover structure for a portable electronic device that can fix a flat battery cover.
[0008]
[Means for Solving the Problems]
The battery cover structure of the present invention is a battery cover structure of a portable electronic device that includes a battery storage portion provided in a casing of the portable electronic device and a battery cover that covers the battery storage portion, and the battery storage portion is portable. The battery cover is provided within a range of a substantially planar casing surface on the outer wall surface of the casing of the electronic device, and the battery cover is configured to have a substantially planar shape. In addition, the battery storage portion includes a recess for storing the battery, and a step portion corresponding to a thickness around the battery cover from the substantially planar casing surface around the recess. Furthermore, the battery cover includes a plurality of engaging claws that are fixed to the housing side around the inner wall surface, and the stepped portion includes an engaging portion that engages with the engaging claws of the battery cover. To do.
[0009]
The battery cover can be attached to the battery housing by sliding, and the engaging claw is an L-shaped engaging claw in which a cross-sectional shape perpendicular to the plane of the battery cover projects in the sliding direction. The battery cover includes a fitting claw that fits on the housing side and has a check member for the battery cover at the end in the sliding direction of the battery cover, and the stepped portion is fitted to the fitting claw of the battery cover. It is characterized by comprising a joint. Further, the battery housing part and the battery cover have a rectangular shape, and a plurality of engagement claws of the battery cover are provided at both ends parallel to the sliding direction of the battery cover. The engaging claw is provided on the end side in the direction opposite to the sliding direction, and the engaging portion of the step portion engaged with the lower surface of the protrusion of the engaging claw and the engaging claw is an end of the battery cover at the time of engagement. The battery cover is provided with an inclined surface formed in a direction in which the battery cover moves in the sliding direction by pressing of the outer surface on the part side.
[0010]
More specifically, the battery cover structure of the present invention is a structure for fixing the battery cover of the portable electronic device main body, and is provided with an engaging portion of the engaging claw of the battery cover and an engaging portion of the engaging claw of the battery cover. A rear cover having a battery storage portion, a battery stored in the battery storage portion, an engagement claw that engages with the engagement portion of the rear cover, and a battery cover having a fitting claw that engages with the fitting portion. . That is, in the battery cover structure of the mobile phone, it is a structure for fixing the battery cover 8 of the mobile phone body 2, the engaging portions 4, 5, the fitting portion 6 of the mobile phone body 2, and the engaging portion 4, 5, engaging claws 9, 10 engaged with the fitting portion 6, a fitting claw 11 of the battery cover 8 fitted into the fitting portion 6, and the battery housing portion 3 provided with the engaging portions 4, 5 and the fitting portion 6. It comprises a rear cover 21 having a battery and a battery 7 attached to the battery housing 3 (FIG. 1).
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Next, a battery cover structure of a portable electronic device according to an embodiment of the present invention will be described with reference to the drawings, taking a cellular phone as an example.
(Description of configuration)
FIG. 1 is an exploded perspective view showing a cellular phone housing and a battery cover structure of the present embodiment. FIG. 2 is a cross-sectional view showing a battery cover coupling structure. FIGS. 2A and 2B are a cross-sectional view of Ea and a cross-sectional view of a roll (enlarged view), respectively, in FIG. It is.
[0012]
The battery cover structure of the present embodiment is applied to a cellular phone having a folding structure including the hinge shaft 1. The cellular phone body (casing) 2 having a folding structure is composed of two housings that are hinge-coupled, and each housing is folded inside and folded with a front case 22 having a main operation unit, a display unit, and the like on the front surface. In this state, the rear cover 21 has a structure that is outside and can store batteries, and the two casings have, for example, a structure in which the ends of the front case 22 are coupled to each other by the hinge shaft 1.
[0013]
The rear cover 21 having the battery compartment 3 of the mobile phone body 2 is formed by a flat or substantially flat back shape on the back side of the mobile phone and a side shape that is bent or curved on the side of the mobile phone. The battery housing part 3 is formed on the outer surface side of the rear surface of the rear cover 21 and has a substantially rectangular recess-like structure in which the battery 7 is housed and the battery cover 8 is mounted. The battery 7 has a rectangular parallelepiped shape, and the battery cover 8 is a flat or substantially flat cover that covers the rectangular concave shape.
[0014]
The detailed structure of the battery housing portion 3 of the rear cover 21 is a concave portion having a predetermined depth which is formed inside as a rectangular concave shape and has a shape corresponding to the three-dimensional shape of the battery 7 which is a rectangular parallelepiped. 31 and a step portion 32 corresponding to the thickness of the battery cover 8 from the outer surface of the rear cover 21 around the outer periphery (outer side). The step portion 32 is mechanically coupled to a claw provided on the battery cover 8 described later. For this purpose, a plurality of engaging portions 4 and 5 and a fitting portion 6 for preventing the battery cover 8 from coming off are formed.
[0015]
On the other hand, the detailed structure of the battery cover 8 has such a size that it is mounted on the stepped portion 32 after the battery 7 is accommodated in the recess 31 of the rear cover 21 and can close the rectangular recess shape. It has the engaging claws 9, 10 and the fitting claws 11, which are coupled to the parts 4, 5 and the fitting part 6, respectively.
[0016]
Here, the engaging portion 4 of the rear cover 21 has a depression on the step portion 32 provided on the end portion side opposite to the fitting claw 11 of the battery cover 8 as shown in FIG. The recess is formed with a protrusion formed with an upper slope 4a and a lower slope 4b to be engaged with the engagement claw 9 of the battery cover 8, and the engagement claw 9 of the battery cover 8 is engaged with the rear cover 21. A lower slope 9a having an inclination in the same direction as the lower slope 4a of the portion 4 and an upper slope 9b that engages with the upper slope 4b of the engaging portion 4 are formed, and the inclined surfaces 9a, 4a are formed on the battery cover 8 respectively. The battery cover 8 has an inclined surface shape that generates a force (sliding force) to slide and move in the direction of the engaging claw 10 by pressing from the periphery of the upper outer surface of the engaging claw 9 at the time of engagement. Each inclined surface 9b, 4b has an inclined surface shape having a lock function for preventing the battery cover 8 from being detached upward when the battery cover 8 is engaged.
[0017]
Further, as shown in FIG. 2A, the engaging portion 5 has a recess on the step portion 32, and the recess is parallel to the longitudinal direction of the rear cover 21 that engages with the engaging claw 10 of the battery cover 8. In addition, the engaging claw 10 of the battery cover 8 can be mounted by sliding with the protrusion of the engaging portion 5 of the rear cover 21 and has a cross-sectional shape perpendicular to the plane of the battery cover 8 in the sliding direction. It has an L shape protruding in the sliding direction.
[0018]
Further, the fitting portion 6 of the rear cover 21 has a vertical opening provided in the stepped portion as shown in FIG. 2 (b), and the fitting claw 11 of the battery cover 8 is engaged with the battery cover 8. It is provided at the end (lower surface) opposite to the joint 9 and is inserted while being bent downward by sliding outside the step of the opening of the fitting portion 6 by sliding movement when the battery cover 8 is mounted. It has a protruding shape (a check member) having an inclined portion whose tip is locked by an inner step of the opening.
(Description of operation)
[0019]
Next, the attachment and removal operations of the battery cover according to the present embodiment will be described.
FIG. 3 is a diagram showing a procedure for mounting the battery cover 8 of the present embodiment. The battery 7 is housed in the battery housing portion 3 of the rear cover 21 of the cellular phone, and the engaging claws 9 and 10 of the battery cover 8 are placed on the engaging portions 4 and 5 of the rear cover 21 on the fitting portion 6 side (not shown). After being applied so as to slide (FIG. 2 (a)), the outer surface (upper surface) of the engaging claw 8 of the battery cover 8 is pressed, whereby the battery cover 8 is moved by the sliding action between the inclined surfaces 9a and 4a. The engaging claws 9 and 10 are engaged with the engaging portions 4 and 5 by sliding to the fitting portion 6 side (FIG. 2 (b)), and the fitting claws 11 are fitted into the fitting portion 6, Locking prevents movement in the direction opposite to the sliding direction.
[0020]
FIG. 4 is a view showing a battery cover attached state. As shown in FIG. 4, when the battery cover 8 is attached, all end portions (peripheral portions) of the battery cover 8 are located on the step 32 of the rear cover 21, and the upper surface of the battery cover 8 is flush with the rear surface of the rear cover 21. (FIG. 2C).
[0021]
FIG. 5 is a diagram showing a procedure for removing the battery cover 8 of the present embodiment. When removing the battery cover 8, the vicinity of the fitting claw 11 of the battery cover 8 is pressed from the outer surface and bent to remove the tip of the fitting claw 11 from the inside of the step of the fitting portion 6 of the rear cover 21 ( The battery cover 8 is slid in the direction opposite to the sliding direction at the time of mounting shown in FIG. 4 (see FIG. 2B) (FIG. 5A), the fitting claw 11 is removed from the fitting portion 6, and The lower slope 9b of the corner of the joint claw 9 is moved along the slope 4b of the engaging portion 4 of the rear cover 21, and the battery cover 8 is lifted obliquely upward to release the fixing from the engaging portions 4 and 5, and the battery The cover 8 is removed (FIG. 5C).
[0022]
In the above embodiment, the structure of the engaging part 4 and the engaging claw 9 and the structure of the fitting part 6 and the fitting claw 11 can employ various mechanisms. In addition, as the slope shapes of the engaging portion 4 and the engaging claws 9, a substantially parallel inclined shape structure has been shown, but it is obvious that the inclined shape can also be configured as an R shape (a convex shape of the sliding surface). is there. Further, among the plurality of engaging claws, an engaging claw provided on the end side opposite to the sliding direction when the battery cover is mounted and engaged with the portable electronic device, the L-shaped lower surface from which the engaging claw protrudes In addition, the engaging portion of the stepped portion that engages with the engaging claw has an inclined surface formed in a direction in which the battery cover moves in the sliding direction by pressing of the outer surface on the end portion side of the battery cover at the time of engagement. It is possible to comprise.
[0023]
【The invention's effect】
According to the present invention, all four sides of the battery cover are surrounded by the rear cover, and since there is no surface (shape) that wraps around the side surface of the casing, the corner surface of the battery cover does not hit directly when dropped and is strong against damage. Is possible.
[0024]
In particular, by configuring the battery cover to be removed while being lifted obliquely upward, an open / close structure in a region where all four sides of the battery cover are surrounded by the rear cover is possible, and the ceiling is considered in consideration of strength. Since it is not necessary to increase the thickness of the surface or increase the thickness of the side wraparound portion surface, it is possible to reduce the device thickness and reduce the device size (width direction).
[Brief description of the drawings]
FIG. 1 is an exploded perspective view showing a cellular phone housing and a battery cover structure of an embodiment.
2 is a cross-sectional view showing a battery cover coupling structure, and FIGS. 2 (a) and 2 (b) are a cross-sectional view of II and a cross-sectional view of a roll (enlarged view) of FIG. 1, respectively. .
FIG. 3 is a diagram showing a procedure for mounting the battery cover 8 of the present embodiment.
FIG. 4 is a diagram showing a state in which a battery cover is attached.
FIG. 5 is a diagram showing a procedure for removing the battery cover 8 of the present embodiment.
FIG. 6 is a diagram showing a battery housing structure of a rear cover of a portable electronic device corresponding to a conventional example.
[Explanation of symbols]
1 Hinge 2 Mobile phone body (frame)
21 Rear cover 22 Front case 3 Battery storage part 31 Recess 32 Step part 4, 5 Engagement part 4a, 4b Inclination part 6 Fitting part 8 Battery cover 9, 10 Engagement claw 9a, 9b Inclination part 11 Fitting claw (engagement) hook)

Claims (3)

A battery cover structure for a portable electronic device comprising a battery storage portion provided in a housing of the mobile electronic device, and a battery cover covering the battery storage portion,
The battery storage portion is provided within a range of a substantially planar casing surface on the outer wall surface of the casing of the portable electronic device, and includes a recess for storing the battery, and a battery cover from the substantially planar casing surface around the recess. The battery cover is slidably attached to the battery housing part, and the outer wall surface is formed in a substantially flat shape, and is fixed to the housing side around the inner wall surface. A plurality of L-shaped engaging claws whose cross-sectional shape in the sliding direction perpendicular to the plane of the battery cover protrudes in the sliding direction, and the stepped portion is engaged with each engaging claw of the battery cover on the upper surface of the stepped portion. An engaging portion of the stepped portion that engages with the engaging claw, and an L-shaped lower surface projecting from the engaging claw on the end side opposite to the sliding direction of the battery cover, By pressing on the outer surface of the end of the battery cover during engagement Battery cover structure ponds cover is characterized in that it comprises an inclined surface formed in the direction of movement in the sliding direction. The battery cover includes a fitting claw that fits on the housing side and has a check member for the battery cover at an end portion in the sliding direction of the battery cover, and the stepped portion is fitted with the fitting claw of the battery cover. The battery cover structure according to claim 1, comprising: The battery storage part and the battery cover have a rectangular shape, and a plurality of engagement claws of the battery cover are provided at both ends parallel to the sliding direction of the battery cover . Battery cover structure.

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