JP2002117817A - Locking device of charger - Google Patents

Abstract

PROBLEM TO BE SOLVED: To charge a battery pack in such a state that electronic equipment is fitted with a cover. SOLUTION: A recess 2 for charge is made to have a capacity so that the electronic equipment 21 covered with the cover 24 can be inserted in such a state that at least they are fitted with the battery pack 11, and the battery pack 11 fitted to the electronic equipments 21 is inserted into the recess 2 for the charge of a charger 1, and in case a pack side charge terminal 14 is connected with the recess side charge terminal 3, right and left protrusions 12A, 12B installed at the battery pack 11 are inserted into right and left grooves 4A, 4B of the recess 2 for the charge, and engaging protrusions 9A, 9B appearing and disappearing in the recess 2 for the charge are made to be engaged with engaging recesses 13A, 13B of the protrusions 12A, 12B, and the battery pack 11 is made to be fixed to the charger 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to a lock device for a charger for charging a small electronic device (such as a portable communication terminal).

[0002]

2. Description of the Related Art Conventionally, a charger lock device for a small electronic device has been known as disclosed in Japanese Patent Application Laid-Open No. 09-46262. FIG. 8 shows the configuration of the disclosed conventional charger lock device.

That is, a charging recess 42 is provided in a charger 40.
The charging recess 42 has a capacity corresponding to the capacity of the small-sized electronic device 41, and a side surface 42 A of the charging recess 42 is provided with an engaging projection 44 at the tip. A spring piece 43 is provided. An engagement recess 45 is provided on a side surface of the electronic device 41 to be engaged with the engagement protrusion 44.

Therefore, in order to charge the electronic device 41, the electronic device 41 is inserted into the charging recess 42 of the charger 40, and the electronic device side charging terminal (not shown) is connected to the charger side charging terminal (not shown). ), The engaging projections 44 of the spring pieces 43 provided on the charger 40 are engaged with the engaging recesses 45 of the electronic device 41 to fix (lock) the electronic device 41 to the charger 40. The electronic device 41 is fixed by the restraining force.
To prevent falling and falling off.

[0005]

However, in the conventional charger lock device, when charging with the battery pack alone, another charging recess is required, and the cover is attached to the electronic device 41. There was a problem that charging was not possible in the state of wearing.

SUMMARY OF THE INVENTION The present invention solves the above-mentioned conventional problems. One charging recess has a state in which a battery pack is mounted on a small electronic device, a state in which a cover is mounted, and any state of a battery pack alone. But it can be charged, and electronic devices,
The battery pack can be reliably prevented from falling forward, backward, left and right, and the electronic device and the battery pack can be reliably prevented from rising due to the pressure of the charging terminal, thereby maintaining the contact pressure between the charging terminals and reliably charging. It is an object of the present invention to provide a charger lock device for locking a battery pack so that the battery pack can be locked.

[0007]

SUMMARY OF THE INVENTION In order to solve the above problems, a charger lock device according to the present invention is a charger lock device for fixing and holding a battery pack to the charger when the battery pack is charged. To provide a charging recess in the charger,
A recess side charging terminal is provided on the bottom of the charging recess, and
The charging recess has a capacity that can be inserted at least with the cover over the electronic device on which the battery pack is mounted, and the bottom of the battery pack contacts the charging terminal on the recess side when the battery pack is inserted into the charging recess. A pack-side charging terminal is provided, one pack-side guide and one pack-side engaging means are provided on one side of the battery pack, and the other pack-side guide is provided on the other side of the battery pack. Part and the other pack side engaging means, and one and the other of the one and the other guiding the one and the other pack side guides in the battery pack insertion direction when the battery pack is inserted into the charging recess in the charging recess. A recess-side guide, one recess-side engaging means releasably engaging with one pack-side engaging means, and the other recess-side engaging means releasably engaging with the other pack-side engaging means. And combining means.

With this configuration, in order to charge the battery pack, when the battery pack is inserted into the charging recess of the charger and the pack-side charging terminal is connected to the charging terminal, one and the other pack-side guides of the battery pack are used. Parts are slidably fitted into the one and the other concave side guides, and the battery pack is pushed in, so that one pack side engaging means is in one concave side engaging means and the other pack side engaging means is Can be engaged with the other recess side engagement means, respectively, and the battery pack can be held by the charger.

In this case, since the charging recess has a capacity that can be inserted with at least the electronic device on which the battery pack is mounted with the cover in place, and the battery pack is locked, one charging device is provided. The battery can be charged in any state with the battery pack attached to the electronic device, the cover attached, the battery pack alone, and
Because one and the other pack side guides of the battery pack are slidably fitted to the one and the other recess side guides,
The electronic device and the battery pack can be reliably prevented from falling forward, backward, left, and right, and can be reliably charged by maintaining the contact pressure between the charging terminals.

In the charger lock device according to the present invention, one of the pack-side guides is one of the protrusions provided on one of the side surfaces of the battery pack, and the other pack-side guide is the one of the battery pack. The other convex portion provided on the other side surface portion, the one and the other concave side guide portions are grooves in which the one and the other convex portions slide, and the one and the other pack side engaging means are the one and the other. And an engagement recess provided on the outer surface of the other projection, wherein the one and the other recess-side engagement means are removably engaged with the engagement recess when the battery pack is inserted into the charging recess. It is preferable that the engaging projection and the elastic projection are provided to make the engaging projection protrude and retract into the charging recess.

[0011] The engaging projection may be provided on the one-sided portion formed integrally with the case of the charger and in a cantilever state, and the elastic urging means may be constituted by the one-sided portion. Further, the engagement protrusion may be provided on a cantilevered portion held in a cantilevered state on the case of the charger, and the elastic urging means may be constituted by a leaf spring. May be provided on a cantilevered portion held in a cantilevered state, and the elastic biasing means may be constituted by a coil spring.

With this configuration, in order to charge the battery pack, when the battery pack is inserted into the charging recess of the charger and the pack-side charging terminal is connected to the charging terminal, one and the other protrusions of the battery pack are connected. By slidably fitting into one and the other groove portions and pushing the battery pack, one engagement protrusion is engaged with the one engagement recess, and the other engagement protrusion is engaged with the other engagement recess, respectively. Thus, the battery pack can be held by the charger.

In this case, similarly to the above-described charger lock device according to the present invention, one charging recess can be used in any of a state where the battery pack is mounted on the electronic device, a state where the cover is mounted, and a state where the battery pack is alone. The battery can be charged, and the electronic device and the battery pack can be reliably prevented from falling forward, backward, left, and right, the contact pressure between the charging terminals can be maintained, and the battery can be reliably charged. The engaging projection is provided on the one-sided portion formed integrally with the case of the battery charger and in a cantilever state, and the elastic urging means is constituted by the one-sided portion. Can be held down.

According to another aspect of the present invention, there is provided a charger lock device for fixing a battery pack to the charger when the battery pack is charged. A charging concave portion, a concave charging terminal is provided on a bottom surface portion of the charging concave portion, and the charging concave portion has at least a capacity that can be inserted in a state where the electronic device on which the battery pack is mounted is covered with a cover. On the bottom side of the battery pack, there is provided a pack-side charging terminal that comes into contact with the concave-side charging terminal when the battery pack is inserted into the charging concave portion, and one pack-side guide and the pack-side engagement are provided on one side surface of the battery pack. Means, and the other pack side guide part and the pack side contact means are provided on the other side surface of the battery pack, and the one and the other are inserted into the charging recess when the battery pack is inserted into the charging recess. No pa The first and second concave side guides for guiding the battery side guide in the battery pack insertion direction, the concave side engaging means removably engaging with the pack side engaging means, and the pack side contacting means. And a contact means for contacting the concave side.

With this configuration, in order to charge the battery pack, when the battery pack is inserted into the charging recess of the charger and the charging terminal on the pack side is connected to the charging terminal on the recess side, one of the battery packs and the other on the other pack side are connected. The guide portion is slidably fitted to the one and the other recess-side guide portions, and the battery pack is pushed in so that the pack-side engagement means is engaged with the recess-side engagement means, and the pack-side contact means is recessed. The battery pack can be held by the charger by contacting the side contact means.

In this case, similarly to the above-described charger lock device according to the present invention, one charging recess can be used in any of a state in which the battery pack is mounted on the electronic device, a state in which the cover is mounted, and a state in which the battery pack is alone. In addition to being able to charge and securely restraining the electronic device and the battery pack from falling back and forth and left and right, maintaining the contact pressure between the charging terminals and reliably charging, the pack side engaging means and the concave side The engaging means is provided only on one side, and on the other side, the pack-side abutting means abuts against the concave-side abutting means, and is locked and held on only one side, thereby reducing the number of parts and reducing the manufacturing cost. Can be.

In the charger lock device according to the present invention, one of the pack-side guides is one of the protrusions provided on one of the side surfaces of the battery pack, and the other pack-side guide is the one of the battery pack. The other convex portion provided on the other side surface portion, the one and the other concave side guide portions are grooves where the one and the other convex portions slide, and the pack side engaging means is the other convex portion. An engaging recess provided on the outer surface, wherein the recess-side engaging means engages with the engaging recess in a detachable manner when the battery pack is inserted into the charging recess; The pack-side abutment means is the outer surface of one of the protrusions, and the recess-side abutment means is the other of the outer surfaces of the one protrusion abuts. It is preferably the bottom of the groove.

With this configuration, in order to charge the battery pack, when the battery pack is inserted into the charging recess of the charger and the charging terminal on the pack side is connected to the charging terminal on the recess side, one and the other protrusions of the battery pack are connected. Are slidably fitted into one and the other grooves, and the battery pack is pushed in so that the engagement projections are engaged with the engagement recesses, and the outer surface of the other projection of the battery pack is formed as a charging recess. By contacting the bottom surface of the other groove, the battery pack can be held by the charger.

In this case, a state in which a battery pack is mounted on an electronic device, a state in which a cover is mounted,
The battery pack can be charged in any state, and electronic devices and battery packs are reliably prevented from falling back and forth, left and right,
The contact pressure between the charging terminals can be maintained, and the charging can be reliably performed. In addition, by holding only one side, the number of parts can be reduced and the manufacturing cost can be reduced.

In the battery charger locking device according to the present invention, one of the pack-side guides is one of the protrusions provided on one of the side surfaces of the battery pack, and the other pack-side guide is the one of the battery pack. The other convex portion provided on the other side surface portion, the one and the other concave side guide portions are grooves where the one and the other convex portions slide, and the pack side engaging means is the other convex portion. An engaging recess provided on the outer surface, wherein the recess-side engaging means engages with the engaging recess in a detachable manner when the battery pack is inserted into the charging recess; The pack-side contact means is a pack-side contact part provided on one side surface of the battery pack, and the recess-side contact means is provided for charging. A pack that is part of the peripheral surface of the recess and is located on the bottom surface side of the charging recess from the engagement protrusion; It is preferable abutment is concave side abutting portion abuts.

With this configuration, in order to charge the battery pack, when the battery pack is inserted into the charging recess of the charger and the charging terminal on the pack side is connected to the charging terminal on the recess side, one of the protrusions on the other side of the battery pack is used. Are slidably fitted into the one and the other grooves, and by pushing the battery pack, the engagement protrusions are engaged with the engagement recesses, and the pack-side contact portion on one side surface of the battery pack is The battery pack can be held by the charger by making contact with a recess-side contact portion that is a part of the peripheral surface of the charging recess and is located on the bottom surface side of the charging recess from the engagement protrusion.

In this case, similarly to the above-described charger lock device according to the present invention, one charging recess can be used in any of a state in which the battery pack is mounted on the electronic device, a state in which the cover is mounted, and a state in which the battery pack is alone. The battery can be charged, and the electronic device and the battery pack can be reliably prevented from falling forward, backward, left, and right, the contact pressure between the charging terminals can be maintained, and the battery can be reliably charged. In addition, by holding the lock only on one side, the number of parts can be reduced and the manufacturing cost can be reduced.

Further, by forming the cover so as not to cover the convex portion of the battery pack, charging can be performed even when the cover is attached to a small electronic device with one charging concave portion.

[0024]

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

(Embodiment 1) FIGS. 1 and 2 show a first embodiment of a charger lock device according to the present invention. FIG. 1 shows a charger lock device (first embodiment) according to the present invention. FIG. 2 is a perspective view showing a state before inserting an electronic device with a battery pack into the provided charger, and FIG. 2 is a longitudinal sectional view showing a state in which the electronic device with the battery pack is inserted into the charger and charged. . For convenience of description, the front-rear direction and the left-right direction are set as illustrated.

In FIG. 1, reference numeral 1 denotes a charger.
Has a charging recess 2 in the upper surface of the case 10. The charging recess 2 has a capacity that can be inserted at least with a cover over a small electronic device on which a battery pack is mounted, and a recess-side charging terminal 3 is provided on the bottom surface 2A of the charging recess 2. Is provided. In addition, charging recess 2
The left and right side surfaces 2B, 2C have rectangular openings 6A, 6B formed toward the bottom surface 2A side, and extend from the upper edge of the left side surface 2B to the upper edge of the opening 6A. A groove 4A, which is one of the concave side guides, is formed. A groove 4B, which is the other concave side guide, is formed from the upper edge of the right side surface 2C to the upper edge of the opening 6B.

Left and right side portions 2 of case 10 of charger 1
B and 2C have lock pieces 7A, 7 which are piece-shaped parts integrally formed with the case 10 when the case 10 is formed.
B are provided, and these lock pieces 7A and 7B are located in the openings 6A and 6B, and the bases of the lock pieces 7A and 7B are connected to the lower edges of the openings 6A and 6B. The engaging projections 9A, 9B are provided on the upper ends of the lock pieces 7A, 7B.
B is provided. The lock pieces 7A and 7B have the elasticity so that the engaging projections 9A and 9B protrude into the charging recess 2, and the lock pieces 7A and 7B constitute elastic biasing means.

On the left side surface 11A of the battery pack 11 detachably mounted on the electronic device 21, a protruding portion 12A, which is one of the pack-side guides, protrudes.
The right side portion 11B of the first member 1 is provided with a projection 12B serving as the other pack-side guide portion, and the recess 12A is provided with an engagement recess 13A serving as one recess-side engagement means. 12B has an engaging recess 13 which is the other recess side engaging means.
B is formed. Also, the lower surface 11 of the battery pack 11
C has a pack-side charging terminal 14.

Therefore, in the first embodiment of the charger locking device according to the present invention, one and the other (left and right) locking means R1 and R2 are provided, and one (left) locking means R1 is provided on one concave side. The locking means R2 is constituted by an engaging means and one pack-side engaging means, and the other (right) locking means R2 is constituted by the other concave-side engaging means and the other pack-side engaging means.

The one and the other pack-side engaging means are engaging concave parts 13A and 13B provided on the outer surfaces of the one and the other convex parts 12A and 12B, respectively. When the battery pack 11 is inserted into the charging recess 2, the engaging protrusions 9A and 9B removably engage with the engaging recesses 13A and 13B, and the engaging protrusions 9A and 9B are protruded and retracted into the charging recess 2. It comprises elastic biasing means.

Therefore, in order to charge the battery pack 11, the battery pack 11 removably attached to the electronic device 21 is charged together with the electronic device 21.
When the pack-side charging terminal 14 is connected to the concave-side charging terminal 3, the left and right convex portions 1 provided on the battery pack 11 are inserted.
2A, 12B are inserted into the left and right grooves 4A, 4B of the charging concave portion 2, and the lower ends of the left and right convex portions 12 are lock pieces 7A,
The lock pieces 7A, 7B hit the engaging protrusions 9A, 9B at the upper end of the lock piece 7B and are displaced outward (opposite to the center of the charging recess 2), so that the lock pieces 7A, 7B exert elastic force. store. When the battery pack 11 is further pushed, the engagement protrusions 9A and 9B slide on the outer surfaces of the protrusions 12A and 12B to engage with the engagement recesses 13A and 13B, thereby fixing the battery pack 11 to the charger 1 ( Lock). At this time, the battery pack side concave side charging terminal 14 and the concave side charging terminal 3 of the charger 1 are set such that a sufficient contact pressure can be obtained.

With this structure, it is possible to prevent the electronic device 21 and the battery pack 11 from falling back and forth by the protrusions 12A and 12B on the side surface of the battery pack 11 and the grooves 4A and 4B of the charger 1. The locking action of 9A and 9B suppresses left and right rattling, and prevents the electronic device 21 and the battery pack 11 from floating due to the pressure of the concave charging terminal 3 on the bottom surface 2A, and maintains a sufficient contact pressure. Can be. Furthermore, since the depth of the charging concave portion 2 of the charger 1 is sufficiently large and has at least a capacity that can be inserted in a state where a cover is put on a small electronic device 21 on which the battery pack 11 is mounted, the battery pack Even if the thickness of the battery 11 increases or decreases, it does not affect the lock device of the charger 1.

As described above, according to the first embodiment of the present invention, regardless of the size of battery pack 11,
When the battery pack 11 is attached to the battery pack, the back-and-forth and left-right rattling of the battery pack 11 alone is suppressed, and the contact pressure between the concave portion and the pack-side charging terminals 3 and 14 is sufficiently maintained. A charger lock device that can be obtained.

(Embodiment 2) FIG. 3 shows Embodiment 2 of the charger lock device according to the present invention. FIG. 3 is a longitudinal sectional view showing a state in which an electronic device with a battery pack is inserted into a charger provided with the charger lock device (Embodiment 2) according to the present invention and charged.

The second embodiment of the charger lock device according to the present invention uses a lock piece separate from the case 10 and uses a leaf spring 15 as elastic biasing means. That is, the lock piece holding portion 16 and the spring holding portion 17 are formed on the left and right sides of the back surface of the bottom surface portion 2A of the charging recess 2. The lock piece holding portion 16 has a locking portion 18 that opens outward on the back surface of the bottom portion 2A, and a spring holding portion is formed on an outer end of a forming portion 19 for forming the locking portion 18. A piece 20 is formed, and this spring holding piece 20 rises upward to form a spring holding portion 17.

The lock pieces 7A-1 and 7B-1 have locking projections 5A and 5B at their bases and engagement projections 9 at their fronts.
A and 9B, respectively, and these lock pieces 7A-1 and 7B-1 are provided with locking projections 5A and 5B, respectively.
B is locked to the locking portion 18 and is held by the lock piece holding portion 16, and the lock pieces 7A-1 and 7B-1 are opened 6A,
6B.

The spring holding portion 17 includes a leaf spring 15
Is inserted and held in a state of being bent into a U-shape,
The inner part of the leaf spring 15 is formed along the back surface of the lock pieces 7A-1 and 7B-1.

The other configuration is the same as that of the first embodiment of the charger lock device according to the present invention, and therefore the same reference numerals are given and the description is omitted.

Therefore, in order to charge the battery pack 11, the battery pack 11 removably mounted on the electronic device 21 is charged together with the electronic device 21.
When the pack-side charging terminal 14 is connected to the concave-side charging terminal 3, the left and right convex portions 1 provided on the battery pack 11 are inserted.
2A and 12B are inserted into the left and right grooves 4A and 4B of the charging concave portion 2, and the lower ends of the left and right convex portions 12A and 12B are engaged with the engaging projections 9A at the upper ends of the lock pieces 7A-1 and 7B-1. 9B
And the lock pieces 7A-1 and 7B-1
The plate spring 15 is displaced outward (opposite to the center of the charging recess 2) against the elastic member 5 to store elastic force in the leaf spring 15. When the battery pack 11 is further pushed in, the engagement protrusions 9A and 9B slide on the outer surfaces of the protrusions 12A and 12B, and the protrusions 12A and 12B slide.
B of the battery pack 1
1 is fixed (locked) to the charger 1.

With such a structure, the front and rear of the small electronic device 21 and the battery pack 11 can be prevented from falling back and forth.
12A, 12B on the side of the groove and grooves 4A, 4A of the charger 1.
B, the right and left rattles are suppressed by the locking action of the engagement projections 9A and 9B of the charger 1 and the bottom portion 2
The electronic device 21 and the battery pack 11 are prevented from floating due to the pressure of the charging terminal 3 on the concave side of A, and a sufficient contact pressure can be maintained. Further, the charging recess 2 of the charger 1
Is sufficiently wide and has at least a capacity to be inserted with a cover over a small electronic device 21 to which the battery pack 11 is attached. It does not affect the bowl lock.

As described above, according to the second embodiment of the battery charger lock device of the present invention, the battery pack 11 is mounted on the electronic device 21 regardless of the size of the battery pack 11, However, it is possible to obtain a charger lock device capable of suppressing rattling in the front-rear and left-right directions, maintaining a sufficient contact pressure between the concave portion and the pack-side charging terminals 3 and 14 and reliably charging the battery in a stable state.

(Embodiment 3) FIG. 4 shows Embodiment 3 of the charger lock device according to the present invention. FIG. 4 is a longitudinal sectional view at the time of charging with a battery pack inserted into the charger.

Embodiment 3 of the charger lock device according to the present invention uses a lock piece separate from the case 10 and uses a coil spring 22 as elastic biasing means.

That is, the configuration of the lock pieces 7A-1 and 7B-1 and the mounting structure of the lock pieces 7A-1 and 7B-1 are the same as those of the above-described second embodiment of the charger lock device according to the present invention. Therefore, the same reference numerals are given and the description is omitted. The coil spring 22 is held by a spring holding portion 23 formed on the inner surface of the outer wall of the case 10, and the ends of the coil spring 22 are locked by lock pieces 7 </ b> A- 1 and 7 </ b> B- 1.
It is in contact with the back.

Other configurations are the same as those of the charger lock device according to the first embodiment of the present invention, and thus the same reference numerals are given and the description is omitted.

Therefore, in order to charge the battery pack 11, the battery pack 11 removably attached to the electronic device 21 is charged together with the electronic device 21.
When the battery pack side charging terminal 14 is connected to the charging terminal 3, the left and right protrusions 1 provided on the battery pack 11 are inserted.
2A and 12B are inserted into the left and right grooves 4A and 4B of the charging concave portion 2, and the lower ends of the left and right convex portions 12A and 12B are engaged with the engaging projections 9A at the upper ends of the lock pieces 7A-1 and 7B-1. 9B
In this case, the lock pieces 7A-1 and 7B-1 are displaced outward (opposite to the center side of the charging recess 2) against the coil spring 22 to store elastic force in the coil spring 22. When the battery pack 11 is further pushed, the engagement protrusion 9
The battery pack 11 is fixed (locked) to the charger 1 by engaging the engagement recesses 13A, 13B, which slide on the outer surfaces of the projections 12A, 12B, with the reference numerals A, 9B.

With this structure, the front and rear of the small electronic device 21 and the battery pack 11 can be
The protrusions 12A and 21B on the side surfaces of the charger 1 and the groove 4 for fitting the charger 1 prevent the right and left rattles by the locking action of the engagement protrusions 9A and 9B of the charger 1, and the charging terminal 3 The electronic device 21 and the battery pack 11 can be prevented from floating due to the pressure, and a sufficient contact pressure can be maintained. Furthermore, the depth of the charging concave portion 2 of the charger 1 is sufficiently large and has at least a capacity that can be inserted in a state in which the electronic device 21 with the battery pack 11 is covered with a cover. Even if the thickness increases or decreases, it does not affect the lock device of the charger 1.

As described above, according to the third embodiment of the present invention, regardless of the size of battery pack 11,
A battery charger in which the battery pack 11 is attached to the battery pack, the back and forth and left and right directions of the battery pack 11 are suppressed, the contact pressure between the charging terminals 3 and 14 is sufficiently maintained, and the battery is securely charged in a stable state. A locking device is obtained.

(Embodiment 4) FIG. 5 shows Embodiment 4 of the charger lock device according to the present invention. FIG. 5 is a perspective view of a state in which a cover is attached to an electronic device on which a battery pack is mounted, and the electronic device is not yet inserted into a charger.

Embodiment 4 of the charger lock device according to the present invention is the same as the above-described electronic device 21 of Embodiment 1 of the charger lock device according to the present invention, and the battery detachably mounted on the electronic device 21. A cover 24 is attached to the pack 11 and a notch 25 is formed in the left and right side portions 24A and 24B of the cover 24. When the cover 24 is attached, the notch 25 is formed in the notch 25. Convex part 12
A and 12B are located. The other configuration is the same as the configuration of the first embodiment of the charger lock device according to the present invention described above, and thus the same reference numerals are given and the description is omitted.

As described above, the cover 2 covering the electronic device 21
4 is a projection 12A provided on the side surface of the battery pack 11,
By adopting a shape that does not cover 12B, the same effect as that of the above-described first embodiment of the charger lock device according to the present invention can be obtained even when the cover 24 is attached to the electronic device 21. The attachment of the cover 24 to the electronic device 21 equipped with the battery pack 11 is also applied to the above-described second and third embodiments of the charger lock device according to the present invention.

(Embodiment 5) FIG. 6 shows Embodiment 5 of the charger lock device according to the present invention. FIG. 6 is a longitudinal sectional view showing a state in which an electronic device with a battery pack is inserted into a charger provided with the charger lock device according to the present invention (Embodiment 5) and charged.

In the fifth embodiment of the charger lock device according to the present invention, the charger 1 has only the right lock means R2 and the left lock means R1 among the left and right lock means R1 and R2. Instead, a contact means is provided instead of the left lock means R1.

The contact means comprises a concave-side contact means F1 and a pack-side contact means F2. The recess side contact means F1 is constituted by the bottom surface 4A-1 of the groove 4A,
Further, the pack-side contact means F2 is constituted by an outer surface portion 12A-1 of the left convex portion 12A.

The right lock means R2 is connected to the right (other)
And the right (the other) pack side engaging means, and the right (the other) concave side engaging means and the right (the other) pack side engaging means are described above. The charger lock device according to the first embodiment of the present invention has the same configuration as the right (the other) concave side engaging means and the right (the other) pack side engaging means in the first embodiment. I do. The other configuration is the same as the configuration of the first embodiment of the charger lock device according to the present invention described above, and thus the same reference numerals are given and the description is omitted.

Therefore, in order to charge the battery pack 11, the battery pack 11 removably mounted on the electronic device 21 is charged together with the electronic device 21.
When the battery pack side charging terminal 14 is connected to the charging terminal 3, the right protrusion 12 </ b> B
Is inserted into the right groove 4B of the charger 1 and the right protrusion 12B
The lower end of the lock piece 7B-1 hits the engagement projection 9B on the upper end of the lock piece 7B-1, and displaces the lock piece 7B-1 outward (the side opposite to the center of the charging recess 2). −
1 stores elastic force. When the battery pack 11 is further pushed, the engagement protrusion 9B slides on the outer surface of the projection 12B and engages with the engagement recess 13B, thereby fixing (locking) the battery pack 11 to the charger 1.

At the same time, the left protrusion 12A provided on the battery pack 11 is inserted into the left groove 4A, and the lower end of the protrusion 12A contacts the receiving portion 4a. In this case, the outer surface 12A-1 of the projection 12A directly contacts the bottom 4A-1 of the groove 4A. At this time, the battery pack side charging terminal 14 and the charger 1
Is set so that a sufficient contact pressure can be obtained with the charging terminal 3.

With such a configuration, the outer surface 12A-1 of the convex portion 12A of the charger 1 provided on only one side abuts on the bottom surface 4A-1 of the groove 4A, so that the charging terminal 3
Of the battery pack 11 around the engagement protrusion 9B due to the pressure of
Of the battery pack 11 can be prevented from rising while rotating as shown by the arrow in FIG. 6, the rattling of the battery pack 11 on the left and right can be suppressed, and the contact pressure between the charging terminals 3 and 14 can be sufficiently maintained. .

The fifth embodiment of the battery charger lock device according to the present invention is a state in which the battery pack 11 is attached to the electronic device 21, the cover 31 is attached, or the battery pack 1 is attached to the electronic device 21.
This is applied when the battery pack 11 is charged in a single state.

As described above, according to the fifth embodiment of the battery charger locking device of the present invention, the locking means R is provided only on one side.
2, the number of parts is reduced, the cost is reduced,
As a result, a lock device for a charger that can maintain a sufficient contact pressure between the charging terminals 3 and 14 and reliably charge the battery can be obtained.

(Embodiment 6) FIG. 7 shows Embodiment 6 of the charger lock device according to the present invention.

In the sixth embodiment of the charger locking device according to the present invention, of the left and right locking means R1 and R2, only the right locking means R2 is provided, but the left locking means R1 is not provided. A contact means is provided instead of the lock means R1.

The contact means comprises a concave-side contact means F1 and a pack-side contact means F2. The recess side contacting means F1 is provided in the groove 4A on the left side 2B of the charging recess 2.
The recess-side contact portion 27 is a portion closer to the bottom surface portion 2A, and the recess-side contact surface portion 27 is set lower than the engagement protrusion 9B. The pack-side abutting means F2 is a pack-side abutting portion 28 that is a portion below the convex portion 12A on the left side surface of the battery pack 11.

The right locking means R2 is connected to the right (other)
And the right (the other) pack side engaging means, and the right (the other) concave side engaging means and the right (the other) pack side engaging means are described above. The charger lock device according to the first embodiment of the present invention has the same configuration as the right (the other) concave side engaging means and the right (the other) pack side engaging means in the first embodiment. I do. The other configuration is the same as the configuration of the first embodiment of the charger lock device according to the present invention described above, and thus the same reference numerals are given and the description is omitted.

Therefore, in order to charge the battery pack 11, the battery pack 11 removably attached to the electronic device 21 is charged together with the electronic device 21.
When the battery pack side charging terminal 14 is connected to the charging terminal 3, the right protrusion 12 </ b> B
Is inserted into the right groove 4B of the charger 1 and the right protrusion 12B
The lower end of the lock piece 7B-1 hits the engagement projection 9B on the upper end of the lock piece 7B-1, and displaces the lock piece 7B-1 outward (the side opposite to the center of the charging recess 2). −
1 stores elastic force. When the battery pack 11 is further pushed, the engagement protrusion 9B slides on the outer surface of the projection 12B and engages with the engagement recess 13B, thereby fixing (locking) the battery pack 11 to the charger 1.

At the same time, the left protrusion 12A provided on the battery pack 11 is inserted into the left groove 4A provided on the charging recess 2, and the pack contact portion 28 provided on the battery pack 11 is brought into contact with the recess. It directly contacts the part 27. At this time, the battery pack side charging terminal 14 and the charging terminal 3 of the charger 1 are set so that a sufficient contact pressure can be obtained. In this case, the outer surface 12A-1 of the convex portion 12A is connected to the bottom surface 4A-1 of the groove 4A.
Away from.

With such a configuration, the pack-side abutting portion 28 abuts against the concave-side abutting portion 27, so that the engaging projections acting on the battery pack 11 by the force of the charging terminal 3 of the charger 1. The force of the rotational motion about 9B can be efficiently suppressed.

Embodiment 6 of the charger lock device according to the present invention is that the battery pack 11 is attached to the small electronic device 21, the cover 24 is attached, or the battery pack 11 is in a single state. This is applied when charging the pack 11.

As described above, according to the sixth embodiment of the battery charger locking device of the present invention, the concave contact portion 27 is provided at a position lower than the engagement projection 9B, so that the battery pack 11 can be efficiently rotated. It is possible to obtain a lock device for a charger that can suppress movement and reliably charge.

[0070]

As described above, according to the charger lock device of the present invention, the charging recess has a capacity that can be inserted at least with the electronic device on which the battery pack is mounted covered with the cover. Since the battery pack is locked, a single charging recess can be used to charge the electronic device in any state with the battery pack attached, the cover attached, and the battery pack alone. Since the one and the other pack side guides of the pack are slidably fitted to the one and the other recess side guides, the electronic device and the battery pack are reliably prevented from falling forward, backward, left and right, and Thus, the contact pressure between the charging terminals can be maintained, and the charging can be reliably performed.

According to the charger lock device of the present invention, the pack-side engaging means and the recess-side engaging means are provided only on one side, and the pack-side contacting means is provided on the opposite side. , And holding only on one side, the number of parts can be reduced and the manufacturing cost can be reduced.

Further, by forming the cover so as not to cover the protruding portion of the battery pack, charging can be performed even when the cover is attached to the small electronic device with one charging recess.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a state before an electronic device with a battery pack mounted thereon is inserted into a charger provided with a charger locking device (first embodiment) according to the present invention.

FIG. 2 is a cross-sectional view showing a state in which an electronic device with a battery pack is inserted into the charger and charged.

FIG. 3 is a cross-sectional view showing a state in which an electronic device equipped with a battery pack is inserted into a charger provided with the charger lock device according to the present invention (Embodiment 2) and charged.

FIG. 4 is a cross-sectional view showing a state in which an electronic device equipped with a battery pack is inserted into a charger provided with the charger lock device according to the present invention (Embodiment 3) and charged.

FIG. 5 is an explanatory view of a charger lock device (Embodiment 4) according to the present invention.

FIG. 6 is a cross-sectional view showing a state in which an electronic device equipped with a battery pack is inserted into a charger provided with a charger lock device according to the present invention (Embodiment 5) and charged.

FIG. 7 is a cross-sectional view showing a state in which an electronic device equipped with a battery pack is inserted into a charger provided with the charger lock device according to the present invention (Embodiment 6) and charged.

FIG. 8 shows a state in which a cover is attached to an electronic device in which a battery pack is attached to a charger equipped with a conventional charger lock device,
A perspective view showing a state before insertion.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Charger 2 Charging recess 2A Bottom part 2B Left side part 2C Right side part 3 Concave side charging terminal 4A Groove part (one concave side guide part) 4B Groove part (the other concave side guide part) 4A-1 Bottom part (concave side contact part) 5A Locking protrusion 5B Locking protrusion 6A Opening 6B Opening 7A Lock piece (piece) (elastic biasing means) 7A-1 Lock piece (piece) (elastic biasing means) 7B Lock piece (piece-shaped part) 7B-1 Lock piece (piece-shaped part) 9A Engagement projection 9B Engagement projection 10 Case 11 Battery pack 11A Left side part 11B Right side part 11C Lower part 12A Convex part (one pack side guide part) 12A-1 Outer surface part (pack-side contact means) 12B Convex part (the other pack-side guide part) 13A Engaging concave part (one concave part-side engaging means) 13B Engaging concave part (the other concave part-side engaging means) 14 Pack side charging terminal Reference Signs List 5 leaf spring (elastic urging means) 16 lock piece holding part 17 spring holding part 18 locking part 19 forming part 20 spring holding piece 21 electronic device 22 coil spring (elastic urging means) 23 spring holding part 24 cover 24A left side part 24B Right side surface part 25 Notch part 27 Recess side contact part (recess side contact means) 28 Pack side contact part (pack side contact means) F1 Recess side contact means F2 Pack side contact means R1 Lock means R2 Lock means

 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Hiroya Inose 4-3-1 Tsunashima Higashi, Kohoku-ku, Yokohama-shi, Kanagawa Prefecture Inside Matsushita Communication Industrial Co., Ltd. (72) Masahiko Maeda 1244 Niiwacho, Kohoku-ku, Yokohama-shi, Kanagawa Prefecture Address Tom Tsushin Kogyo Co., Ltd. F-term (reference) 5G003 AA01 BA01 FA03 5H040 AA07 AA12 AS11 AY08 CC13 CC35 CC38 CC46 DD06 FF02 NN03 5K023 AA07 LL04

Claims (9)

[Claims] 1. A charger locking device for fixing and holding the battery pack to the charger when charging the battery pack, wherein the charger has a charging recess, and a recess side is provided on a bottom surface of the charging recess. A charging terminal is provided, and the charging recess is made to have a capacity that can be inserted at least with an electronic device equipped with the battery pack covered with a cover, and the charging recess of the battery pack is provided on a bottom side of the battery pack. When the battery pack is inserted into the concave side charging terminal, a pack side charging terminal is provided, and on one side surface of the battery pack, one pack side guiding portion and one pack side engaging means are provided, and On the other side of the battery pack, the other pack-side guide and the other pack-side engaging means are provided, and the one and the other are inserted into the charging recess when the battery pack is inserted into the charging recess. One and the other concave-side guides for guiding one of the pack-side guides in the insertion direction of the battery pack, and one of the concave-side engaging means for removably engaging with the one of the pack-side engaging means. And a second concave side engaging means which is detachably engaged with the other pack side engaging means. 2. The one pack-side guide portion is one protrusion provided on one side surface of the battery pack, and the other pack-side guide portion is provided on the other side surface of the battery pack. The one and the other concave-side guides are grooves in which the one and the other convexes slide, and the one and the other pack-side engaging means are the one and the other. An engagement concave portion provided on an outer surface of the convex portion, wherein the one and the other concave side engaging means are removably engaged with the engagement concave portion when the battery pack is inserted into the charging concave portion. And a resilient urging means for causing the engaging projection to protrude and retract into the charging recess.
A charger lock device according to claim 1. 3. A charger lock device for fixing and holding the battery pack to the charger when charging the battery pack, wherein the charger has a charging recess, and a recess side is provided on a bottom surface of the charging recess. A charging terminal is provided, and the charging recess is made to have a capacity that can be inserted at least with an electronic device equipped with the battery pack covered with a cover, and the charging recess of the battery pack is provided on a bottom side of the battery pack. When the battery pack is inserted into the battery pack, a pack-side charging terminal that contacts the concave-side charging terminal is provided, and one pack-side guide and a pack-side engaging means are provided on one side surface of the battery pack. The other side portion of the battery pack is provided with the other pack-side guide portion and the pack-side abutting means, and when the battery pack is inserted into the charging recess, the one and other pack sides are inserted into the charging recess. One and other concave side guides for guiding the guide in the direction of insertion of the battery pack, concave side engaging means removably engaging with the pack side engaging means, and the pack side contacting means. A charger lock device comprising a recess-side contact means for contacting the charger. 4. The one pack-side guide portion is one protrusion provided on one side surface of the battery pack, and the other pack-side guide portion is provided on the other side surface of the battery pack. The other convex portion provided, the one and the other concave side guide portion is a groove portion in which the one and the other convex portion slide, and the pack side engaging means is provided on an outer surface of the other convex portion. An engagement recess provided, wherein the engagement portion on the recess side is detachably engaged with the engagement recess when the battery pack is inserted into the charging recess; and And a resilient urging means for projecting and retracting into the charging recess, wherein the pack-side contact means is an outer surface of the one convex part, and the concave-part contact means is the one convex part. 4. The charger according to claim 3, wherein an outer surface portion of the battery charger is a bottom surface portion of the one groove portion that contacts. Equipment. 5. The one pack-side guide portion is one protrusion provided on one side surface of the battery pack, and the other pack-side guide portion is provided on the other side surface of the battery pack. The other convex portion provided, the one and the other concave side guide portion is a groove portion in which the one and the other convex portion slide, and the pack side engaging means is provided on an outer surface of the other convex portion. An engaging recess provided, wherein the recess-side engaging means engages with the engaging recess in a detachable manner when the battery pack is inserted into the charging recess; and the engaging protrusion. And a resilient urging means for projecting and retracting into the charging recess, wherein the pack-side contact means is a pack-side contact portion provided on one side surface of the battery pack, and The contact means is a part of the peripheral surface of the charging recess and is located before the engaging projection. 4. The charger lock device according to claim 3, wherein the charger lock device is located on the bottom surface side of the charging recess and is a recess-side contact portion with which the pack-side contact portion contacts. 6. The method according to claim 6, wherein the engaging projection is provided on a piece formed integrally with the case of the charger in a cantilever state, and the elastic urging means is constituted by the piece. The charger lock device according to claim 2 or claim 4 or claim 5. 7. The rechargeable battery according to claim 2, wherein the engaging projection is provided on a cantilevered portion held in a cantilevered state on the case of the charger, and the elastic biasing means is constituted by a leaf spring. 4
Or the charger lock device according to claim 5. 8. The rechargeable battery according to claim 2, wherein the engaging projection is provided on a cantilever portion held in a cantilevered state on the case of the charger, and the elastic urging means is constituted by a coil spring. The charger lock device according to claim 4 or claim 5. 9. The charger lock device according to claim 2, wherein the cover is formed in a shape that does not cover the projection of the battery pack.