JPH10275605A - Battery pack locking structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent careless falling of a battery and easily mount/demount the battery. SOLUTION: A locking structure for a battery pack 2 (called 'a pack' thereafter) mounted on the storage 3 of a mainbody 1 in a demountable manner comprises a slide operation part 11 provided with a lock part 12 formed on the pack and engaged with a lock groove to be operable on the surface of the mainbody, a main lock 10 provided with an energizing means 13 to energize the slide operation part 11 to the direction of the lock groove all the time, a sub-lock 20 provided with a stopper 22 to restrict the movement of the main lock 10 to the opposite direction of the pack and a slide operation part 21 to be operable on the surface of the mainbody, a slide part 31 provided with a thrust part 32 to thrust and lift the pack and a pop-up 30 provided with an energizing means 33 to energize the slide 31 to the pack side all the time. When the slide operation part 21 of the sub-lock 20 is located to restrict the main lock 10, the movement of the pup-up 30 to the pack side is restricted.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lock structure for a battery pack in a portable electronic device such as a portable telephone or a personal computer, and more particularly, to a battery pack having a double lock and a pop-up structure for preventing the battery pack from falling off. Related to lock structure.

[0002]

2. Description of the Related Art In a conventional lock structure of a battery pack, as shown in FIG. 8A, a housing 101 of a main body 100 of an electronic device is provided with a projection 101 which engages with an engagement recess 201 of a battery pack 200. The lock knob 103 is operable from the outside, and the battery pack 200 is provided with a lock groove 202 into which the lock portion 102a of the lock knob 103 is inserted.

Then, the battery pack 200 is
When the battery pack 20 is attached to the
When the battery pack 200 is tilted in the direction of the arrow shown in FIG. 8B, the lock knob 103 supported by the elastic member (not shown) is retracted once, and then the lock groove is locked. 202 has a lock portion 102a
Project again, and the locking groove 20 of the battery pack 200 is
2 is fixed.

Thus, in the conventional battery pack lock structure, the battery pack 200 is locked and released by operating the lock knob 103, and can be attached to and detached from the main body 100.

[0005]

However, in such a conventional battery pack lock structure, there is a problem that the battery pack may fall off when the lock knob is operated erroneously. At this time, information temporarily stored in the information device may be lost.

Further, in the conventional battery pack lock structure, when removing the battery pack, the user can hold the lock knob slid with one hand and simultaneously remove the battery pack with the other hand. However, there is a problem that the work of attaching and detaching the battery pack becomes complicated.

SUMMARY OF THE INVENTION The present invention has been proposed to solve the above-mentioned problems of the prior art, and a battery pack lock structure that prevents a battery from being accidentally dropped and that is extremely easy to attach and detach. The purpose is to provide.

[0008]

To achieve the above object, a battery pack locking structure according to a first aspect of the present invention comprises a main body (1) and a battery pack (2) detachable from the main body (1). In a lock structure of a battery pack in an electronic device provided with: a concave storage section (3) for mounting a battery pack (2) formed on an outer surface of a housing of a main body (1); and the storage section (3). A protrusion (5) protruding from one end of the battery pack, an engagement recess (4) formed in the battery pack (2) with which the protrusion (5) is engaged, and a protrusion (5) formed in the battery pack (2). A slide operation portion (11) having a lock groove (6), a lock portion (12) engaged with the lock groove (6), and slidable from the outer surface of the main body (1); 11) Always lock battery pack (2) The main lock having a biasing means (13) for urging in a direction to be engaged into (6) (10)
And the battery pack (2) of the main lock (10).
And a sublock (20) having a slide operating portion (21) slidable from the outer surface of the main body (1), the stopper having a stopper (22) for restricting movement to the opposite side. .

According to a second aspect of the present invention, there is provided a lock structure for a battery pack, wherein the concave portion has an inclined surface provided on the battery pack, and the concave portion at the tip end.
Slide part (31) having a pressing part (32) for pressing the slope (9a) of the battery pack and lifting the battery pack (2).
And a pop-up (30) having a biasing means (33) for constantly biasing the slide portion (31) toward the battery pack (2), and the pop-up (30) is used to slide the sublock (20). When the part (21) is in the position for restricting the main lock (10), a guide means for restricting the movement of the slide part (31) toward the battery pack (2) is provided.

According to a third aspect of the present invention, in the lock structure for a battery pack, the guide means is provided on a slide operation section (21) of the sublock (20).
A guide hole (23) formed substantially in an L-shape in the sliding direction of (1) and a horizontal direction orthogonal to the sliding direction, and a slide portion (31) of the pop-up (30) protrudingly provided;
A guide protrusion (34) movably engaged in the L-shaped guide hole (23), and the slide operation portion (21) of the sublock (20) is located at a position for regulating the main lock (10). Sometimes, the guide projection (34) is inserted into the guide hole (2).
The slide portion (3) is located in the slide direction portion, and is configured to restrict the movement of the slide portion (31) toward the battery pack (2).

Further, the lock structure of the battery pack according to the fourth aspect is pressed when the slide operating portion (21) of the sublock (20) is moved to a position for releasing the regulation of the main lock (10). A detection switch (8) for outputting a signal is provided, and data is stored in a memory in the main body (1) according to an output signal from the detection switch (8).

According to the battery pack lock structure of the present invention having such a configuration, the operation of the main lock is restricted by the position of the slide operation portion of the sublock, so that the main lock is erroneously operated and the battery is locked. It is possible to prevent the pack from accidentally falling off.

When the sublock and the main lock are released, the pop-up lifts the battery pack, so that the battery pack is easily locked without releasing the finger that slides the main lock. The battery pack can be removed.

Further, when the sublock releases the restriction of the main lock, the detection switch detects the restriction and stores the data in the memory of the main body, so that the danger of data loss due to removal of the battery pack can be avoided. .

[0015]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a lock structure of a battery pack according to an embodiment of the present invention. FIG. 1 is a diagram showing the vicinity of a battery pack attachment portion of a portable information terminal to which an embodiment of a battery pack lock structure according to the present invention is applied. 2 is a sectional view taken along line AA of FIG. 1, FIG. 3 is a sectional view taken along line BB of FIG.
(A) and FIG. 3 (a) show a state where the battery pack is mounted, and FIGS. 2 (b) and 3 (b) show a state where the battery pack is removed.

FIGS. 4, 5, and 6 are views in which main parts of FIG. 1 are extracted. FIG. 4 shows a state in which a battery pack is mounted, and FIG. FIG. 6 shows a state when the battery pack is removed. FIG. 7 is a cross-sectional view taken along the line CC of FIG. 1, and FIG.
(B) is a figure which shows the state which released the sublock.

The lock structure of the battery pack according to the present embodiment shown in these figures has a housing portion having a volume substantially equal to that of the battery pack 2 and capable of mounting the battery pack 2 on the back side of the main body 1 of the portable information terminal. Three.

The main body 1 includes a main lock 10 for detachably locking the battery pack 2 stored in the storage section 3, a sublock 20 for restricting the operation of the main lock 10, and a battery pack 2. There is a pop-up 30 that lifts up.

Here, as shown in FIG. 2, a protrusion 5 which engages with an engagement recess 4 provided at an end of the battery pack 2 is integrated with one end of the housing portion 3 and is integrated with the housing of the main body 1. Is formed. Although not particularly shown, the battery pack 2 and the storage section 3 of the main body 1 are provided with terminals, respectively.
Power is supplied from the battery pack 2 to the main body 1 when both are pressed against each other when the battery pack is mounted.

As shown in FIGS. 1 and 2, the main lock 10 includes a slide operation portion 11 provided on the outer surface of the housing of the main body 1 and a lock portion 12 formed integrally with the slide operation portion 11. Have.

As shown in FIG. 2, the slide operation section 11 is constantly urged by the urging means 13 so that the lock section 12 projects toward the battery pack 2 side. Here, as the urging means 13, for example, a spring or the like is used. However, there is no particular limitation as long as the slide operation unit 11 can always urge the lock unit 12 to protrude toward the battery pack 2.

The lock portion 12 engages with a lock groove 6 formed on the surface of the battery pack 2 facing the engagement concave portion 4 to lock the battery pack 2 to the main body 1. . As shown in FIG. 1, a contact portion 14 protrudes from a bottom surface of the slide operation portion 11 toward a side opposite to the lock portion 12, and contacts a stopper 22 of a sublock 20 described later. It has become.

The sublock 20 has a slide operation section 21 attached to the main body 1 so as to be slidable in a direction substantially perpendicular to the slide direction of the slide operation section 11 of the main lock 10.

The slide operation section 21 is disposed on the outer surface of the housing of the main body 1 and is capable of performing a slide operation in the vertical direction in FIG. Also, the slide operation unit 2
A leg portion 21 is formed on the bottom surface side of the base 1, and a stopper 22 that abuts against the contact portion 14 of the main lock 10 and regulates the sliding movement of the main lock 10 is integrally formed at the tip of the leg portion 21. Have been.

A display section 24 is provided on the surface of the main body 1 near the slide operation section 21 by means such as printing. The display section 24 is “locked” when the slide operation section 21 of the sublock 20 is at a position where the slide movement of the main lock 10 is restricted, and “released” when the main lock 10 is at a position where the main lock 10 can slide freely. ”To indicate to the user the locked state of the sublock 20.

Further, as shown in FIG. 7, the leg 21 of the slide operation section 21 also serves as a pressing means for the detection switch 8 disposed on the printed circuit board 7 mounted inside the main body 1. That is, as shown in FIG. 7, the detection switch 8 disposed on the printed circuit board 7 of the main body 1 is turned on when the slide operation unit 21 of the sublock 20 is in the "release" position (see FIG. 7B). State), and is pressed by the leg 21. When the detection switch 8 is pressed by the leg 21 of the slide operation unit 21,
In particular, a signal is output so that data is stored in a non-volatile memory or the like in the main body 1 (not shown).

On the other hand, the pop-up 30 is
1, a pressing portion 32 formed at the tip of the slide portion 31 on the battery pack 2 side, and a biasing means 33 for constantly biasing the slide portion 31 toward the battery pack 2.
Here, as the urging means 33, for example, a spring or the like is used. However, the urging means 33 is not particularly limited as long as it always urges the slide portion 31 toward the battery pack 2.

On the same surface as the surface on which the lock groove 6 of the battery pack 2 is formed, as shown in FIG. 3, a concave portion 9 having a slope 9a pressed by the pressing portion 31 of the pop-up 30 is formed. And the slope 9a of the recess 9 is
When the battery pack 2 is pressed by the biasing force of the biasing means 33, the battery pack 2 is lifted upward.

On the bottom surface of the slide portion 31 of the pop-up 30, a guide protrusion 34 is provided so as to project therefrom, and an “L” formed on the slide operation portion 21 of the sublock 20.
It is inserted into the V-shaped guide hole 23 and is movably engaged.

Here, as shown in FIGS. 1 and 4 to 6, the guide hole 23 has a vertical hole portion extending in the sliding direction of the slide operating portion 21 of the sublock 20, and a lateral direction perpendicular to the sliding direction. And an approximately L-shaped hole comprising a horizontal hole portion extending to

The guide hole 23 and the guide projection 3
4 engages, the pressing portion 32 of the pop-up 30 does not press the concave portion 9 of the battery pack 2 depending on the position of the slide operation portion 21 of the sublock 20, and the operation is restricted and released. Guide means.

That is, when the slide operation portion 21 of the sublock 20 is at the “lock” position for restricting the slide of the main lock 10, the guide projection 34 is formed in the vertical hole portion of the guide hole 23 as shown in FIG. , The slide portion 31 of the pop-up 30 cannot move.

On the other hand, the slide operation unit 2 of the sublock 20
When the slide lock 1 is at the position where the slide restriction of the main lock 10 is "released", the guide projection 34 is located in the lateral hole of the guide hole 23 as shown in FIG. And the state shown in FIG. 6 can be obtained.

Next, the operation of the lock structure of the battery pack according to the present embodiment having such a configuration will be described with reference to FIGS.
This will be described with reference to FIG. First, FIGS. 2A and 3
(A), the state shown in FIG. 4 and FIG. 7 (a) is the state in which the battery pack 2 is mounted on the main body 1 of the portable information terminal. When the battery pack 2 is detached from the main body 1 in this state, the slide operation unit 21 of the sublock 20 is slid from the state shown in FIG.

When the slide operating portion 21 moves to the position shown in FIG. 5, the contact between the stopper 22 at the tip of the leg portion 21 and the contact portion 14 on the main lock 10 is released. As a result, the slide operation unit 11 of the main lock 10 can move in a direction opposite to the battery pack 2.

As shown in FIGS. 7A and 7B, when the slide operation unit 21 of the sublock 20 moves, the detection switch 8 on the printed circuit board 7 is moved behind the leg 21 of the slide operation unit 21. It is pressed by the edge and outputs a signal. The output signal of the detection switch 8 recognizes that the user is about to remove the battery pack 2, and the necessary data is stored or stored in a nonvolatile memory or the like.

On the other hand, the slide portion 31 of the pop-up 30
The guide projection 34 is engaged with a guide hole 23 formed in the slide operation portion 21 of the sublock 20. First, as shown in FIG.
Is in the “locked” position, the guide projection 34 is on the side of the vertical hole of the guide hole 23, so that the slide portion 31
Even the urging force of the urging means 33 does not act on the battery pack side.

When the slide operating portion 21 of the sublock 20 is slid to the position shown in FIG. 5, the guide projection 34 moves to the side of the guide hole 23, and the urging means 33 is operated in the urging direction. It is possible to do. However, in this state, since the battery pack 2 remains locked by the main lock 10, the pop-up 30 does not actually operate.

Next, the urging means 13 is moved from the position shown in FIG. 2A to the position shown in FIG.
Slide against the urging force of. As a result, the lock groove 6 of the battery pack 2 is disengaged from the lock section 12 of the slide operation section 11, and all the locks of the battery pack 2 are released.

Then, the slide portion 3 of the pop-up 30
1 is urged by the urging means 33 so as to protrude toward the battery pack 2, so that the pressing portion 32 at the distal end is
It automatically moves from the position shown in FIG. 3A to the position shown in FIG. 3B, and from the position shown in FIG. 5 to the position shown in FIG.

As a result, the pressing portion 32 presses the slope 9 a formed in the concave portion 9 of the battery pack 2 to lift one end of the battery pack 2 upward, so that the user can easily remove the battery pack 2. it can.

While the operation for removing the battery pack 2 has been described above, when the battery pack 2 is mounted, the engaging recess 4 of the battery pack 2 is hooked on the projection 5 at one end of the storage section 3 and then the battery pack 2 is lowered. . by this,
The lock portion 12 of the main lock 10 is engaged with the lock groove 6 of the battery pack 2, and the battery pack 2 is locked.

Finally, by sliding the slide operation portion 21 of the sublock 20 from the position shown in FIG. 5 to the position shown in FIG. 4, the main lock 10 is locked so as not to be released. Thereby, the sublock 2
The stopper 22 moves to a position where it comes into contact with the contact portion 14 and restricts the movement of the slide operation portion 11 of the main lock 10, so that, for example, even if a hand or another object touches the main lock 10 carelessly. The battery pack 2 does not come off.

As described above, according to the battery pack lock structure of the present embodiment, the operation of the main lock 10 is restricted by the position of the slide operation portion 21 of the sublock 20, so that the main lock 10 is erroneously operated. As a result, it is possible to prevent the battery pack 2 from dropping carelessly. As a result, since the lock by the main lock 10 is not released unless the lock of the sublock 20 is released, it is also possible to prevent an accidental accidental dropping of the battery pack, for example, during transportation.

The sublock 20 and the main lock 10
Is released, the pop-up 30 lifts the battery pack 2, so that the battery pack 2 is not locked again even if the finger that slides the main lock 10 is released, and the battery pack 2 is easily removed. It becomes possible.

Moreover, the pop-up 30 is a sub-block 2
Since the battery pack 2 does not act on the battery pack 2 unless the lock of the battery pack 2 is released, the battery pack 2 does not always lift up with respect to the main body 1, and there is no step between the surfaces of the battery pack 2 and the main body 1. There is no problem concerning appearance, such as occurrence.

Further, the sublock 20 is the main lock 1
When the restriction of zero is released, the detection switch 8 detects the restriction and stores the data in the memory of the main body 1, so that the risk of data loss due to the removal of the battery pack 2 can be avoided.

That is, by providing the detection switch 8, it can be detected that the slide operation section 21 of the sublock 20 has been slid to the “release” position, and based on the detection result, the data is stored in the nonvolatile memory of the main body 1. The pop-up 30 guided by the L-shaped guide hole 23 provided in the slide operation unit 21 lifts the battery pack 2 for the first time when the lock by the sublock 20 is released. . As a result, the risk of data loss when the user removes the battery pack 2 can be reliably avoided, and the battery pack 2
Can be easily removed.

[0049]

As described above, according to the lock structure of the battery pack of the present invention, it is possible to prevent the battery from being accidentally dropped, and to make the attachment and detachment work extremely easy.

[Brief description of the drawings]

FIG. 1 is a view showing the vicinity of a battery pack mounting portion of a portable information terminal to which an embodiment of a battery pack locking structure according to the present invention is applied.

FIGS. 2A and 2B are cross-sectional views taken along the line AA in FIG. 1, wherein FIG. 2A shows a state in which a battery pack is mounted, and FIG. 2B shows a state in which the battery pack is removed.

FIGS. 3A and 3B are cross-sectional views taken along line BB in FIG. 1, wherein FIG. 3A shows a state in which a battery pack is mounted, and FIG. 3B shows a state in which the battery pack is removed.

FIG. 4 is an extracted view of a main part in the vicinity of a battery pack mounting portion shown in FIG. 1, showing a state where the battery pack is mounted.

FIG. 5 is a diagram illustrating a main part in the vicinity of a battery pack mounting part illustrated in FIG. 1 in a state where only a sublock is released.

FIG. 6 is an extracted view of a main part in the vicinity of a battery pack attachment part shown in FIG. 1, showing a state when the battery pack is removed.

FIGS. 7A and 7B are cross-sectional views taken along the line CC in FIG. 1, wherein FIG. 7A illustrates a locked state of the sublock, and FIG. 7B illustrates a state in which the sublock is released.

8A and 8B are perspective views showing a conventional battery pack lock structure, in which FIG. 8A shows a state where the battery pack is removed, and FIG. 8B shows a state where the battery pack is mounted.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body 2 Battery pack 3 Storage part 4 Engagement concave part 5 Projection 6 Lock groove 7 Printed circuit board 8 Detection switch 9 Concave part 9a Slope 10 Main lock 11 Slide operation part 12 Lock part 13 Energizing means 14 Contact part 20 Sublock 21 Slide operation Part 21a leg part 22 stopper 23 guide hole 24 display 30 pop-up 31 slide part 32 pressing part 33 urging means 34 guide protrusion

Claims (4)

[Claims] A lock structure for a battery pack in an electronic device including a main body (1) and a detachable battery pack (2) mounted on the main body (1), wherein the lock structure is formed on an outer surface of a housing of the main body (1). A battery housing (3) to which the battery pack (2) is attached, a protrusion (5) protruding from one end of the housing (3), and a battery engaging the protrusion (5). It has an engagement recess (4) formed in the pack (2), a lock groove (6) formed in the battery pack (2), and a lock portion (12) engaged with the lock groove (6). A slide operation portion (11) slidable from the outer surface of the main body (1), and a biasing member for constantly biasing the slide operation portion (11) in a direction to be engaged with the lock groove (6) of the battery pack (2). A main lock (10) having a biasing means (13); A sublock including a slide operation unit (21) slidable from the outer surface of the main body (1) and having a stopper (22) for restricting movement of the inlock (10) to the side opposite to the battery pack (2). (20) A lock structure for a battery pack, comprising: 2. A concave portion (9) having a slope (9a) provided on a battery pack (2), and a slope (9a) of the concave portion (9) is pressed to the tip to lift the battery pack (2). A slide portion (31) having a pressing portion (32) and a pop-up (30) having a biasing means (33) for constantly biasing the slide portion (31) toward the battery pack (2) are provided. A guide for restricting the movement of the slide portion (31) toward the battery pack (2) when the slide operation portion (21) of the sublock (20) is at a position for restricting the main lock (10). The lock structure for a battery pack according to claim 1, further comprising means. 3. The guide means is formed on a slide operation portion (21) of a sublock (20) in a substantially L-shape in a slide direction of the slide operation portion (21) and a lateral direction orthogonal to the slide direction. A guide hole (23), and a guide protrusion (34) projecting from the slide portion (31) of the pop-up (30) and movably engaged in the L-shaped guide hole (23). When the slide operation portion (21) of the sublock (20) is at a position for restricting the main lock (10), the guide projection (34) is located in the slide direction portion in the guide hole (23), and the slide portion is formed. The lock structure for a battery pack according to claim 2, wherein the movement of the battery pack (31) toward the battery pack (2) is restricted. 4. A detection switch (8) which is pressed when the slide operation portion (21) of the sublock (20) is moved to a position where the regulation of the main lock (10) is released, and outputs a signal; 4. The battery pack lock structure according to claim 1, wherein data is stored in a memory in the main body (1) according to an output signal from the detection switch (8).