JP2001118554A - Lock mechanism of battery cover - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lock mechanism of a battery cover for preventing detachment of a battery cover due to impact, when it falls and improving the operational ability when a battery cover is attached or detached. SOLUTION: A lock mechanism 5 of a battery cover 4 is configured as follows. In a battery loading portion 6 of a rear case 2 of a portable device main body 1, a cutout part 11, having a recessed shape, is formed in a given places of an upper edge part. A lock piece 7 is formed in an inner part of both side part of the cutout part, having a recessed shape 11. A finger-touched part 10 freely detachable to the cutout part having a recessed shape 11 is formed protruding externally, having a protruding shape in an upper edge part of surface side a battery lid 4. A lock piece 9, freely detachable to the lock piece 7, is formed in the inner part of both sides of the finger-touched part 10.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lock mechanism for a battery cover used in portable equipment.

[0002]

2. Description of the Related Art Generally, small portable equipment such as a portable telephone and a PHS (simplified portable telephone) are shown in FIG.
A battery 3 is loaded into a lower portion of a rear case 2 that constitutes the portable device body 1 together with a front case (not shown), and a battery cover 4 is detachably attached to the rear case 2 so as to cover the battery 3. It has become so.

Conventionally, the lock mechanism 5 of the battery lid 4 forms a locking piece 7 on the inner surface of the upper edge portion of the battery loading portion 6 of the rear case 2, while forming the locking piece 7 on the inner surface of the upper end of the battery lid 4. A support bracket 8 that is bent into an L-shaped cross section and projects upward is projected, and a locking claw 9 that can be engaged with and disengaged from the locking piece 7 is integrally provided at the tip of the support bracket 8. A finger contact portion 10 is provided for pressing the surface of the upper edge of the battery lid 4 with a finger to bend the locking claw 9 integral with the support bracket 8 to the inner surface side and detach from the locking piece 7.
Is formed.

In the case of the battery cover 4 having the conventional lock mechanism 5 as described above, after the battery 3 is loaded into the battery loading section 6 of the rear case 2 of the portable device main body 1, as shown in FIG. The cover 4 is slid upward from a state where the cover 4 is placed below the rear case 2 of the portable device main body 1, and the locking claw 9 is
The battery 3 is locked by engaging the
The battery cover 4 so as to cover the rear case 2 of the portable device body 1.
On the other hand, when the battery 3 is replaced or the like, when the battery 3 is replaced, the finger nail 10 is pressed with a finger to deflect the locking claw 9 integrated with the support bracket 8 to the inner surface side and detach from the locking piece 7. Then, while releasing the lock, the battery cover 4 is slid downward along the rear case 2 of the portable device body 1 to open the battery loading section 6.

[0005]

However, since the battery cover 4 used in the conventional portable device as described above is a thin-walled molded product and the rigidity of the support bracket 8 provided with the locking claw 9 is low, Due to the impact at the time, the locking claw 9 is
In many cases, the battery cover 4 is detached from the main body 1 of the portable device, and the locking portion for engaging the locking claw 9 with the locking piece 7 is provided at one position. It had the disadvantage of being weak.

In order to prevent the battery cover 4 from dropping from the portable device body 1 when it falls, the engagement thickness of the locking claw 9 of the locking portion with the locking piece 7 may be increased. When the battery cover 4 is removed, the finger rest 10 on the base side of the support bracket 8 provided with the locking claws 9 of the battery cover 4
To release the engagement of the locking claw 9 with the locking piece 7 on the side of the portable device body 1.
As the engagement thickness with the finger is larger, the finger pad 10 must be pushed deeper. However, the portable device body 1
The battery loading section 6 of the rear case 2 has a battery 3 as a content.
As a result, the finger rest 10 cannot be pushed too deeply. As a result, it is difficult to increase the engagement thickness of the locking claw 9 with the locking piece 7, and the drop strength is somewhat compromised. The current situation was forced to do so.

On the other hand, the locking claw 9 forming the lock portion is separated from the finger contact portion 10, and the force for pushing the finger contact portion 10 is hardly transmitted to the locking claw 9. When the engagement thickness with respect to is large, it is difficult to remove the battery cover 4, and from such a point, it is difficult to increase the engagement thickness of the locking claw 9 with the locking piece 7.

The present invention has been made in view of the above circumstances, and has as its object to provide a lock mechanism for a battery cover that can prevent the battery cover from falling off due to a drop impact and can improve operability when the battery cover is attached and detached. is there.

[0009]

SUMMARY OF THE INVENTION The present invention relates to a lock mechanism for a battery cover detachably mounted on a portable device main body so as to cover a battery loaded in the portable device main body. A concave notch is formed at a required upper edge portion in the battery loading portion, and a locking piece is formed on the inner surface side on both sides of the concave notch, while the concave notch is formed at the upper end on the front side of the battery lid. The finger-holding portion which can be fitted and detached is formed so as to protrude in a convex shape, and a locking claw which is engageable / removable with respect to the locking piece is formed on the inner surface of both sides of the finger-contacting portion. And a battery cover locking mechanism.

In the locking mechanism for the battery lid, the concave receiving portion is formed such that an inclined receiving surface is formed on the inner surface side so as to gradually increase in thickness from the open end to the opposite open end of the concave notch. The locking claw is formed in a wedge shape so as to form an inclined contact surface that is inclined in a direction of gradually increasing the thickness from the distal end side to the base end side of the finger contact portion, and the wedge-shaped piece is formed on the portable device body. When the battery lid is mounted, the locking pawl can be configured to slide over the locking piece and be held in a locked state in which the locking claws are engaged with each other so that the inclined contact surface slides along the inclined receiving surface.

According to the above means, the following effects can be obtained.

After the battery is loaded into the battery loading portion of the portable device main body, when the battery cover is slid upward from a state where the battery cover is placed below the portable device main body, the locking claws engage with the locking pieces. The battery cover is attached to the main body of the portable device so as to cover the battery while the battery is being replaced or the like. When the locking claw formed on the inner side of the unit is bent toward the inner side to be disengaged from the locking piece, and the lock is released, the battery lid is slid downward along the portable device body, and the battery loading unit is opened. You.

A battery is contained as a content in the battery loading portion of the portable device main body, but the finger pad is formed at the upper end on the front surface side of the battery lid so as to protrude upward from the battery loading portion. , And a large space for the battery loading section
The finger pad can be pressed deeply, and as a result, the engagement thickness of the locking claw with respect to the locking piece can be increased, and the locking section engages the locking claw with the locking piece. Are formed at two places on the inner side of both sides of the finger rest,
The resistance to the impact becomes stronger,
It is less likely that the locking claws are detached from the locking pieces and the battery lid falls off the portable device body.

On the other hand, the locking claw forming the lock portion is formed on the inner surface of both sides near the finger contact portion, and the force for pushing the finger contact portion is easily transmitted to the locking claw. Even if the engagement thickness with the stop piece is increased, there is no concern that the battery cover is difficult to remove, and the battery cover can be attached and detached with good operability.

In the lock mechanism for the battery lid, an inclined receiving surface is formed on an inner surface of the concave notch so as to be gradually inclined from the open end side to the opposite open end side in a direction of increasing the thickness. When the locking claw is formed in a wedge shape so as to form an inclined contact surface that is inclined in a direction of gradually increasing the thickness from the distal end side to the base end side of the finger pad, and the wedge-shaped stopper piece, When the battery lid is attached to the main body, the locking claws ride over the locking pieces in a form in which the inclined contact surface slides along the inclined receiving surface, so that they are held in a locked state in which they are engaged with each other,
The battery lid can be smoothly attached to the portable device body.

[0016]

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

FIGS. 1 to 13 show an embodiment of the present invention. In FIG. 1 to FIG. 13, parts denoted by the same reference numerals as those in FIG.
The notch 1 is formed at a required location on the upper edge of the battery loading section 6 of FIG.
1 and a locking piece 7 is formed on the inner surface of both sides of the concave notch 11, while a finger pad is fitted to and detachable from the concave notch 11 at the upper end on the front surface side of the battery lid 4. The protrusion 10 is formed so as to protrude in a convex shape, and a locking claw 9 which can be engaged with and disengaged from the locking piece 7 is formed on the inner surface of both sides of the finger rest portion 10. This constitutes a lock mechanism 5.

The locking piece 7 is formed in a wedge shape so that an inclined receiving surface 12 is formed on the inner surface side so as to gradually increase the thickness from the open end side of the concave cutout portion 11 to the opposite open end side. At the same time, the locking claw 9 is wedge-shaped so as to form an inclined contact surface 13 which is inclined in a direction of gradually increasing the thickness from the distal end side to the proximal end side of the finger rest 10. When the battery cover 4 is attached to the rear case 2 of the device body 1,
The locking claw 9 is configured to slide over the locking receiving surface 7 and to be held in a locked state in which the locking claw 9 is engaged with each other so that the tilting contact surface 13 slides along the tilt receiving surface 12.

Next, the operation of the illustrated example will be described.

In the case of the battery cover 4 provided with the lock mechanism 5 shown in FIGS. 1 to 13, after the battery 3 is loaded in the battery loading section 6 of the rear case 2 of the portable device main body 1, the battery lid 4 is shown in FIGS. As described above, when the battery cover 4 is slid upward from a state where the battery cover 4 is applied to the lower part of the rear case 2 of the portable device body 1, the inclined contact surface 13 is slid along the inclined receiving surface 12 and locked. The claw 9 is held in a locked state (see FIG. 13) in which the claw 9 gets over the engagement piece 7 and engages with each other, and the battery cover 4 is attached to the rear case 2 of the portable device main body 1 so as to cover the battery 3. When performing replacement or the like, the locking claw 9 formed on the inner surface side of both sides of the finger contact portion 10 is deflected to the inner surface side by pressing the finger contact portion 10 with a finger, and detached from the locking piece 7. And release the lock, and attach the battery cover 4 to the rear case 2 of the portable device body 1. Sliding downward along, the battery loading unit 6 is opened.

The battery loading section 6 of the rear case 2 of the portable device body 1 has a battery 3 as a content.
Is formed so as to protrude upward from the battery loading section 6 at the upper end portion on the front surface side of the battery lid 4, so that a large space for the battery loading section 6 can be secured and the finger pad 10 can be pushed deep. As a result, it is possible to increase the engagement thickness of the locking claw 9 with the locking piece 7, and furthermore,
Since two locking portions for engaging the locking claws 9 with the locking pieces 7 are formed on the inner surface sides on both sides of the finger contact portion 10, the resistance to impact is increased, and the locking force due to the impact at the time of dropping is increased. The pawl 9 is disengaged from the locking piece 7 and the battery cover 4 is
Is less likely to fall off.

On the other hand, the locking claws 9 forming the lock portion are formed on the inner surfaces of both sides near the finger contact portion 10, and the force for pushing the finger contact portion 10 is easily transmitted to the locking claw 9. Even if the engagement thickness of the pawl 9 with the locking piece 7 is increased, there is no concern that the battery cover 4 is difficult to remove, and the battery cover 4 can be attached and detached with good operability.

In this manner, the battery cover 4 can be prevented from falling off due to a drop impact, and the operability at the time of attaching and detaching the battery cover 4 can be improved.

The locking mechanism of the battery cover according to the present invention is not limited to the above-described example, but may be variously modified without departing from the gist of the present invention.

[0025]

As described above, the first aspect of the present invention is as described above.
According to the lock mechanism of the battery cover described above, it is possible to prevent the battery cover from falling off due to a drop impact, and to achieve an excellent effect that the operability at the time of attaching and detaching the battery cover can be improved. According to the battery lid locking mechanism described in Item 2, in addition to the above-described effects, an excellent effect that the attachment of the battery lid to the portable device main body can be smoothly performed can be obtained.

[Brief description of the drawings]

FIG. 1 is a perspective view of an example of an embodiment of the present invention.

FIG. 2 is a rear view of a rear case of the portable device main body according to an example of an embodiment of the present invention.

FIG. 3 is a sectional view taken along the line III-III of FIG. 2;

FIG. 4 is a view taken in the direction of arrows IV-IV in FIG. 2;

FIG. 5 is a view taken in the direction of arrows VV in FIG. 4;

FIG. 6 is a rear view of a battery cover according to an example of an embodiment of the present invention.

FIG. 7 is a view taken along the line VII-VII in FIG. 6;

8 is a sectional view taken along line VIII-VIII of FIG.

FIG. 9 is a view taken along the line IX-IX in FIG. 7;

FIG. 10 is a view as viewed in the direction of arrows XX in FIG. 9;

FIG. 11 is a view as viewed in the direction of arrows XI-XI in FIG. 9;

FIG. 12 is a cross-sectional view illustrating a state before mounting a battery cover in an example of an embodiment of the present invention.

FIG. 13 is a cross-sectional view illustrating a locked state of a battery cover according to an example of an embodiment of the present invention.

FIG. 14 is a perspective view of a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Mobile device main body 3 Battery 4 Battery lid 5 Lock mechanism 6 Battery loading part 7 Locking piece 9 Locking claw 10 Finger contact part 11 Concave cut-out part 12 Inclined receiving surface 13 Inclined contact surface

Claims (2)

[Claims] 1. A lock mechanism for a battery cover detachably mounted on a portable device main body so as to cover a battery mounted on the portable device main body, wherein the upper edge portion of the battery loading portion of the portable device main body is required. A concave notch is formed at a location, and a locking piece is formed on the inner surface of both sides of the concave notch, and a finger pad that can be inserted into and detached from the concave notch at the upper end of the front surface of the battery lid. A locking portion formed so as to protrude in a convex shape, and locking claws which can be engaged with and disengaged from the locking pieces are formed on inner surfaces of both sides of the finger rest. mechanism. 2. The locking piece is formed in a wedge shape so that an inclined receiving surface inclined in a direction of gradually increasing the thickness from the open end side of the concave cutout portion to the opposite open end side is formed on the inner surface side. The locking claw is formed in a wedge shape so as to form an inclined abutting surface that is inclined in a direction to gradually increase the thickness from the distal end side to the proximal end side of the finger rest. 2. The lock mechanism for a battery cover according to claim 1, wherein the locking claw is held in a locked state in which the locking claw rides over the locking piece and engages with each other so that the inclined contact surface slides along the receiving surface.