JPH10271194A - Opening/closing mechanism for battery cover - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a battery from being jumped out of a device main body when a shock is exerted to the device main body. SOLUTION: A left/right end 13a of a battery cover 13 is bent to be a channel shape and the left/right end 13a is pressed into contact with a guide plate 14 provided to the left/right of a battery 12 contained in a device main body 11, and the battery cover 13 is fitted to the device main body 11 by sliding the battery cover 13 in a direction of arrow (c). With the battery cover 13 mounted to the device main body, when a drop shock is applied to the device main body, a force in a direction of the arrow Y is exerted to the device main body so that the battery 12 is going to be jumped out. On the other hand, since the battery cover 13 is slidden in a direction of the arrow X but not moved in the direction of the arrow Y because of the presence of the guide plate 14, even when a drop shock is exerted to the main body, the battery 12 is not jumped out resulting from the opened battery cover 13.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a mechanism for opening and closing a battery cover of a portable electronic device.

[0002]

2. Description of the Related Art A portable electronic apparatus is driven by a battery, and a main body of the apparatus is provided with a storage section for storing the battery. The battery accommodated in the battery compartment is covered with a battery cover. The battery cover is easy to open and close so that the battery can be easily replaced, and prevents the stored battery from jumping out. Must be a structure.

[0003]

FIG. 5 is an explanatory view of a conventional opening / closing mechanism for the battery cover 41. As shown in FIG. FIG.
FIG. 4B shows a state in which the battery cover 41 is opened and the battery 42 is removed from the battery storage section 43. FIG. FIG.

[0004] When the battery 42 is stored in the battery storage section 43, the pawl 41a of the battery cover 41 is caught in a concave portion (not shown) of the apparatus main body 44 as shown in FIG. Locked in state. When replacing the battery 42, the battery cover 41 is unlocked, the battery cover 41 is opened, and the battery 42 is replaced.

In a portable electronic device, since a user carries the device and uses it, it is conceivable that an impact is applied to the device main body, and it is desired that a slight impact does not hinder the operation.

When a drop impact is applied to an electronic device having a battery cover opening / closing mechanism having the above-described structure, for example, as shown in FIG. Since the direction b in which the battery 41 is opened coincides with the direction b, if the impact of the drop is large, the battery cover 41 is unlocked by the force of the battery 42 trying to pop out, and the battery 42 pops out of the apparatus main body 44. There was a point.

An object of the present invention is to prevent a battery from jumping out of the apparatus main body even when an impact is applied.

[0008]

SUMMARY OF THE INVENTION The present invention relates to an opening / closing mechanism for a battery cover of a portable electronic device, comprising a battery accommodating portion for accommodating a battery, and a battery cover for covering the battery accommodated in the battery accommodating portion. The direction of removing the battery cover is different from the direction of removing the battery.

According to the present invention, the opening / closing direction of the battery cover is different from the direction of taking out the battery. Since the force does not act, the battery does not fly out of the apparatus main body due to the impact of the fall.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. Although not shown, the mobile terminal device 11 includes a key input unit including a plurality of keys for inputting data on the front side of the device main body 11, and a liquid crystal display unit for displaying the input data. On the back side, a battery storage unit 15 for storing the battery 12 is provided.

FIG. 1 is an explanatory view of a battery cover opening / closing mechanism of the portable terminal device 11 of the first embodiment. FIG. 1A shows a state in which the battery cover 13 is detached from the device main body 11. FIG. 2B is an external perspective view of the main body 11 viewed from the back side, and FIG.
FIG. 1A is a cross-sectional view as viewed from the direction of the air in FIG. 1A, and FIG. 1C is a cross-sectional view as viewed from the direction of the eye.

As shown in FIG. 1C, the battery cover 13 has right and left ends 13a bent in a U-shape, and the left and right ends 13a are connected to the main body 11 of the apparatus.
The battery cover 13 is attached to the apparatus main body 11 by contacting guide plates 14 provided on the left and right sides of the battery 12 accommodated in the main body 11 and sliding in the direction of arrow c in FIG.

When the battery cover 13 is slid in the direction of arrow c and pushed down to a position where the end face 13 b of the battery cover 13 contacts the end face 15 a of the battery housing 15, the battery 12 is covered by the battery cover 13.

When a drop impact is applied to the apparatus main body 11 with the battery cover 13 fully inserted into the apparatus main body 11, a force in the direction of arrow Y in FIG. Attempts to jump out of the apparatus main body 11. On the other hand, the battery cover 13 slides in the direction indicated by the arrow X in FIG. 1B, but is restricted by the guide plate 14 so as not to move in the direction indicated by the arrow Y. 13 does not open, battery 1
2 does not jump out of the apparatus main body 11.

According to the first embodiment, the battery cover 13 is slid along the guide plate 14 and attached to the apparatus main body 11, so that the battery 12 can be taken out and the battery cover 13 can be opened and closed. Are different. This prevents the battery 12 from jumping out of the apparatus main body 11 even when an impact due to the drop is applied to the apparatus main body 11.

Next, a second embodiment of the present invention will be described with reference to FIG. FIGS. 2A to 2C are explanatory views of a second embodiment in which the battery housing portion 15 has a drip-proof structure using the inner lid 21 and the packing 25, and FIG. FIG. 2B is a perspective view showing the appearance of the electronic device 21 in an opened state, and FIG.
Is a cross-sectional view as viewed from the direction of the air in FIG. 2A, and FIG.
FIG. 2 is a detailed view of a part A of FIG.

The battery accommodating portion 22 has a rectangular parallelepiped shape and has an opening at an upper portion, and the opening is covered by an inner lid 21. Guide plates 23 are provided on both sides of the battery housing 22.
Is provided, and the battery cover 2 is
4 slides over the inner lid 21.

When closing the battery cover 24, the battery 12 is first inserted into the battery housing 22, and then the inner cover 21 is closed. Further, the battery cover 24 is slid along the guide plate 23 and pushed down to a position where the end face 24 a of the battery cover 24 contacts the end face of the apparatus main body 11.

A packing (elastic member: rubber, elastic plastic, or the like) 25 is fixed to the outer peripheral upper surface portion 22a in contact with the inner cover 21 of the battery housing portion 22 by bonding or the like. At the tip of the inner lid 21 that comes into contact with the packing 25,
As shown in FIG. 2C, a claw 21a for compressing the packing 25 is provided.

Therefore, the battery cover 24 is
When it is slid along and attached to the apparatus main body 11, the inner cover 21 is pressed by the battery cover 24, whereby the pawl 21 a of the inner cover 21 compresses the packing 25, and the inner cover 21 and the battery housing 22 are Outer peripheral upper surface 22a
Is tightly attached to the packing 25. Inner lid 21 and packing 25
When the contact is made, water droplets do not enter the battery housing 22 from the outside to the inside, so that the battery housing 22 can have a drip-proof structure.

In the opening and closing mechanism having the above-described structure, when the battery cover 24 is inserted into the apparatus main body 11, the inner cover 21 is pressed by the inner upper surface of the battery cover 24 to compress the packing 25. 24
A force for compressing the packing 25 is required from the time when the distal end portion 24a is inserted into the apparatus main body 11, and it is necessary to insert the battery cover 24 with a greater force as the battery cover 24 is inserted deeper.

This point is improved in a third embodiment shown in FIG. In the third embodiment, as in the above-described second embodiment, a packing 25 is fixed to the outer peripheral upper surface portion 22a of the battery accommodating portion 22 in contact with the inner lid 21 by bonding or the like. A claw 21a for compressing the packing 25 is provided at the tip of the inner lid 21 that comes into contact with the packing 25. When the battery cover 34 is attached to the apparatus main body 11, the battery cover is formed by the inner lid 21 and the packing 25. 22 is configured to be sealed.

The guide plates 3 are provided on both sides of the battery housing 22.
3 are provided. The guide plate 33 has a tip end 33a into which the battery cover 34 is inserted, as shown in the AA cross-sectional view of FIG.
It gradually becomes wider from the back. In other words, the lower surface of the guide plate 33 is inclined in a direction of descending from the near side to the far side in the insertion direction. Corresponding to this, FIG.
As shown in the BB section, the guide plate 35 of the battery cover 34 that slides along the guide plate 33 of the battery storage unit 22 also has a vertical section e with a width e of the distal end portion 35a of the insertion slot.
It gradually becomes wider from the back. That is, the upper surface of the guide plate 35 is inclined in the insertion direction so as to descend from the near side (the back side when viewed from the insertion port) toward the back side (the insertion port).

Therefore, when the battery cover 34 is inserted along the guide plate 33 of the battery storage section 22, the distal end portion 35 of the guide plate 35 of the battery cover 34 to be inserted first.
The width e of the cross-section of a is the smallest and the width d of the tip 33a of the guide plate 33 is also the smallest.
5 does not come into contact with the leading end 33a of the guide plate 33, and the packing 25 is inserted when the battery cover 34 is inserted.
Requires very little force to compress.

When the front end 35a of the guide plate 35 of the battery cover 34 is pushed further into the position where it comes into contact with the guide plate 33 of the battery storage section 22, the upper part of the inner surface of the battery cover 34 is The inner lid 31 is pressed downward in FIG. When the inner cover 21 is pressed downward by the battery cover 34,
The packing 25 is compressed by the
1 adheres closely.

When the battery cover 34 is inserted further into the back from this position, the rear end portion 33b where the cross-sectional width d of the guide plate 33 of the battery accommodating portion 22 is maximized, and the cross-sectional width of the guide plate 35 of the battery cover 34 Tip 35 where e is minimized
a and the leading end 33a where the width d of the cross section of the guide plate 33 is minimum, and the filter portion 35b where the width e of the cross section of the guide plate 35 of the battery cover 34 is maximum.

That is, the guide plate 3 of the battery housing 22
The lower surface of the battery cover 34 is inclined downward from the near side in the insertion direction of the battery cover 34 toward the back side, and the upper surface of the guide plate 35 of the battery cover 24 slid along the inclined surface is moved from the near side in the insertion direction. By making the inclined surface descend toward the rear side, the inclined surface of the guide plate 33 and the inclined surface of the guide plate 35 do not come into contact with each other until the battery cover 34 is inserted to a certain depth, and the force for compressing the packing 25 is used. Is not required, so that a large force is not required in the initial stage of inserting the battery cover 34 into the apparatus main body 11.

Then, the battery cover 34 is
The inclined surface of the guide plate 33 and the inclined surface of the guide plate 35 come into contact with each other as they are inserted deeper along the line, so that the force for compressing the packing 25 gradually increases. Furthermore, since the packing 25 is gradually compressed as the battery cover 34 is inserted, the packing 25 can be uniformly compressed, and the adhesion between the packing 25 and the inner lid 21 can be further improved.

FIG. 4 is a view showing the compressed state of the packing 25 when the gap between the packing 25 and the inner lid 21 is not uniform. As shown in FIG. 4A, even when the gap between the inner lid 21 and the packing 25 is large in the inner part 21a, as described above, the guide plate 33 of the battery storage part 22 is provided.
Is formed such that the cross-sectional width d gradually increases from the distal end portion 33a of the guide plate 33 toward the back, and the cross-sectional shape of the guide plate 35 of the battery cover 34 gradually increases from the insertion port toward the back. With the shape, the packing 2 gradually increases as the battery cover 34 is inserted.
5 becomes large, and the rear end 33
Even in b, a sufficient compressive force acts on the packing 25. As a result, the packing 25 is uniformly compressed, so that the packing 25 and the inner lid 21 are uniformly adhered as shown in FIG. 4B.

The above-described embodiment is a case where the present invention is applied to a portable terminal device, but is not limited to this and can be widely applied to portable electronic devices such as a video camera, a portable liquid crystal television, and a portable radio. Also, the direction in which the battery cover slides is not limited to the X direction in FIG.

[0031]

According to the present invention, the opening / closing direction of the battery cover is made different from the direction in which the battery is taken out. No more jumping out. In addition, the contact surface of the guide plate for inserting the battery cover by sliding the battery cover is inclined from the near side in the insertion direction toward the back, thereby reducing the force required when inserting the battery cover into the main body. Thus, the battery cover can be more easily attached.

[Brief description of the drawings]

1A and 1B are explanatory views of a battery cover opening / closing mechanism according to a first embodiment, wherein FIG. 1A is an external perspective view with a battery cover 13 removed, and FIG. A sectional view, and FIG. 7C is an II sectional view thereof.

FIGS. 2A and 2B are explanatory views of a battery opening / closing mechanism according to a second embodiment, wherein FIG. 2A is an external perspective view, FIG. 2B is an air sectional view thereof, and FIG. () Is a detailed view of the part (a).

FIG. 3 is an explanatory view of a battery cover and a guide plate according to a third embodiment, and FIG.
FIG. 2B is a cross-sectional view of the battery housing 22 taken along the line AA and the battery cover 34 taken along the line BB.

4A and 4B are diagrams showing a state in which the packing is compressed, FIG. 4A shows a state in which the battery cover is partially inserted, and FIG. 4B shows a state in which the battery cover is fully inserted. I have.

FIGS. 5A and 5B are explanatory views of a conventional battery cover opening / closing mechanism.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Portable terminal apparatus 12 Battery 13, 24, 34 Battery cover 14, 23, 33 Guide plate 21 Inner lid 25 Packing

Claims (4)

[Claims] An opening / closing mechanism for a battery cover of a portable electronic device, comprising: a battery accommodating portion for accommodating a battery; and a battery cover for covering the battery accommodated in the battery accommodating portion. A battery cover opening / closing mechanism, wherein a direction is different from a direction in which the battery is taken out. 2. The battery cover opening and closing mechanism according to claim 1, wherein said battery cover is detached by sliding in a direction orthogonal to a direction in which said battery is taken out. 3. An inner cover and an elastic member for making the battery housing portion drip-proof, wherein when the battery cover is attached, the battery cover presses the inner cover to make close contact with the elastic member. 3. The battery cover opening / closing mechanism according to claim 1, wherein water is prevented from entering from outside. 4. The battery accommodating portion has a first guide plate having an inclined surface descending from the near side to the far side in the inserting direction, and the battery cover is from the near side to the far side in the inserting direction. A second guide plate having a downwardly inclined surface; sliding the inclined surface of the second guide plate of the battery cover along the inclined surface of the first guide plate to thereby attach the battery cover to the apparatus body; The battery cover opening / closing mechanism according to claim 1, wherein the battery cover is attached.