JP2000188136A - Charger - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a charger capable of reliably and electrically connecting a contact to charge a secondary battery to a charge terminal. SOLUTION: This charger has a mounting part 2 to detachably mount a battery integrating case 3 with a built-in secondary battery. An upper and lower stoppers 4 to block upward and downward movement of the battery integrating case 3 are provided above and below the mounting part 2. An elastic holding lever 5 to elastically sandwich and hold the battery integrating case 3 from the both sides is provided on both sides of the mounting part 2. One end of the elastic holding lever 5 is tiltingly linked to the charger body 1, and its other end has a hook part 5A to sandwich and hold the battery integrating case 3. The elastic holding lever 5 is pressed toward the direction to elastically sandwich the battery integrating case 3 by an elastic body 10.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a charger for charging a secondary battery by mounting a battery-containing case such as an electronic device or a battery pack having a secondary battery therein.

[0002]

2. Description of the Related Art As shown in FIG. 1, a charger for charging a secondary battery by setting an electronic device containing a secondary battery in a detachable manner is provided with a mounting portion 2 for mounting an electronic device 14 thereon. ing. The mounting section 2 is configured to mount the electronic device 14 at a predetermined position in a predetermined posture. This is for electrically connecting the contact 9 of the charger to the charging terminal 13 provided on the electronic device 14 to charge the built-in secondary battery. The electronic device 14 shown in FIG. 1 has a charging terminal 13 on the back. A contact 9 electrically connected to the charging terminal 13 is provided on the mounting portion 2 of the charger. The mounting part 2 of the charger shown in this figure is provided with the mounting part 2 which is open at the front and the upper side, fits the lower end of the electronic device 14 and sets it at a fixed position.

[0003]

In the charger shown in this figure, the lower end of an electronic device is inserted into a mounting portion, and a charging terminal of the electronic device is electrically connected to a contact. This type of charger has a feature that the battery pack can be easily attached and detached. However, since the charging terminal is brought into contact with the contact due to the weight of the electronic device, there is a drawback that it is difficult to bring the contact into contact with the charging terminal reliably. In particular, when the weight of the electronic device is reduced, the contact pressure at which the charging terminal is pressed against the contact is reduced, and there is a problem that a contact failure is likely to occur.

[0004] Further, as shown in FIG.
There are a charging terminal 13 provided on the back surface and a charging terminal 13 provided on the bottom surface as shown by a chain line in the figure. The electronic device 14 provided with the charging terminal 13 on the bottom surface can increase the contact pressure for pressing the charging terminal 13 against the contact point 9 by approaching the attitude of being independent to be vertical. However, even in the electronic device 14 having the charging contact 13 on the bottom surface, the contact pressure of the charging terminal 13 of the electronic device 14 cannot be larger than the weight of the electronic device 14.

Furthermore, as shown in FIG. 1, a charging terminal 13 is provided on the back of an electronic device 14 and is set on the mounting portion 2 in an inclined posture. 14 is smaller than its own weight. Further, as shown in this figure, the electronic device 14 in which the charging terminal 13 is disposed at a deep position in the case 11 is provided with the contact 9 of the charger.
Need to protrude considerably. Electronic device 1 of this structure
No. 4 has a feature that since the charging terminal 13 is disposed at a deep position, adverse effects such as a short-circuiting of the charging terminal 13 outside can be minimized. However, the charger in which the electronic device 14 having this structure is set has the disadvantage that the contact 9 is protruded high, so that when the electronic device 14 is slid and detached, the protruding contact 9 is easily caught and damaged. .

SUMMARY OF THE INVENTION The present invention has been developed to solve the above-mentioned drawbacks of the conventional charger. An important object of the present invention is to make sure that a contact for charging a secondary battery is securely connected to a charging terminal. It is an object of the present invention to provide a battery charger that can be electrically connected to a battery charger.

Another important object of the present invention is to provide a charger which can prevent the contacts from being damaged during the attaching / detaching operation and can reliably connect the contacts to the charging terminals.

[0008]

A battery charger according to a first aspect of the present invention is a battery charger having a mounting portion 2 for detachably mounting a battery built-in case 3 containing a secondary battery. It has a unique configuration. (A) Upper and lower stoppers 4 are provided above and below the mounting section 2 to prevent the mounted battery built-in case 3 from moving in the vertical direction. (B) On both sides of the mounting part 2, elastic holding levers 5 for elastically holding and holding the battery built-in case 3 from both sides are provided. (C) One end of the elastic holding lever 5 is connected to the charger main body 1 so as to be tiltable, and has a hook 5A at the other end for holding and holding the battery built-in case 3. (D) The elastic holding lever 5 is pressed by the elastic body 10 in a direction to elastically clamp the battery built-in case 3.

The battery charger according to claim 2 of the present invention has side walls 6 on both sides of the mounting portion 2 for preventing the mounted battery built-in case 3 from moving in the left-right direction. The elastic holding lever 5 is built in the side wall 6.

According to the third aspect of the present invention, the charger is provided on the side wall 6.
A high portion incorporating the elastic holding lever 5 and a low portion for inserting a hand holding both sides of the battery built-in case 3 when detaching the battery built-in case 3 are provided.

In the battery charger according to a fourth aspect of the present invention, a contact 9 connected to the charging terminal 13 of the battery built-in case 3 is disposed on the bottom of the mounting portion 2. The holding lever 5 is provided.

In the battery charger according to a fifth aspect of the present invention, the elastic holding lever 5 has the upper end surface inclined downward toward the upper side of the mounting portion 2.

[0013] In the battery charger according to claim 6 of the present invention, the side wall 6 has:
The upper end surface of the high part incorporating the elastic holding lever 5 is
When attaching / detaching battery case 3, battery case 3
Grasp both sides of the hand and incline downhill towards the lower part for the hand.

[0014]

Embodiments of the present invention will be described below with reference to the drawings. However, the embodiments described below exemplify a charger for embodying the technical idea of the present invention, and the present invention does not specify the structure of the charger as follows.

Further, in this specification, in order to make it easier to understand the claims, the numbers corresponding to the members shown in the embodiments will be referred to as “claims” and “ In the column of “means”.
However, the members described in the claims are not limited to the members of the embodiments.

The charger shown in the plan view of FIG. 2 and the front view of FIG. 3 has a plurality of mounting portions 2 on the upper surface of a charger main body 1. In the charger shown in this figure, four mounting portions 2 are provided in a horizontal posture, horizontally adjacent to each other, and parallel to each other. Mounting part 2
Does not necessarily have to be in a horizontal position as shown in the figure. For example, as shown in FIG.
May be mounted in an inclined posture.

In the mounting section 2, a battery built-in case 3 containing a secondary battery, such as an electronic device or a battery pack, is removably mounted. As shown in the cross-sectional view of FIG. 5, upper and lower stoppers 4 are provided above and below the mounting unit 2. However, in this specification, the up-down direction means the up-down direction in FIG. 2, that is, the left-right direction in FIG. The interval between the upper and lower stoppers 4 is substantially equal to the vertical length of the battery built-in case 3 set in the mounting portion 2.
This is to prevent the battery built-in case 3 set in the mounting portion 2 from shifting up and down. In the illustrated charger, the upper and lower stoppers 4 are higher than the lower and upper stoppers 4. The upper and lower stoppers 4 have a slightly inclined inner surface so that the battery built-in case 3 can be set smoothly.

Further, on both sides of the mounting portion 2, there are provided elastic holding levers 5 for elastically holding and holding the battery built-in case 3 from both sides. 5 and 6, the elastic holding lever 5 is incorporated in the side wall 6 provided on both sides of the mounting portion 2. However, in the battery charger of the present invention, the elastic holding lever does not necessarily need to be built in the side wall. The charger incorporating the elastic holding lever 5 in the side wall 6 has a feature that the tilting elastic holding lever 5 can be protected by the side wall 6. In addition, the battery charger having this structure has a feature that both the side wall 6 and the elastic holding lever 5 can prevent the battery built-in case 3 set in the mounting portion 2 from being displaced right and left. The inner wall of the side wall 6 for preventing the left and right misalignment is provided with the inner case 3.
Approximately the width of

As shown in the cross-sectional view of FIG. 5, the side wall 6 is vertically high and the middle is low. An elastic holding lever 5 is built in the raised portion at the bottom. The side wall 6, which lowers the middle, makes it easier to insert a hand that grasps both sides of the battery built-in case 3 when the battery built-in case 3 is attached to and detached from the mounting portion 2. Further, the side wall 6 having a lower middle portion is provided with the battery housing case 3.
The central part of the can be grasped from both sides by hand and can be attached and detached in a well-balanced manner. Further, in the charger of FIG. 5, a pillow 7 is integrally formed on an upper portion of the bottom surface of the mounting portion 2 so that the battery built-in case 3 does not adhere to the bottom surface of the mounting portion 2. The portion is a recess 8. The mounting part 2 of this structure is
It is easy to put a hand in the gap between the battery built-in case 3 and the bottom surface of the mounting portion 2, and the battery built-in case 3 can be attached and detached more smoothly. Further, as shown in the figure, the side wall 6, which is raised up and down, is characterized in that the battery built-in case 3 to be set in the mounting portion 2 can be held from both sides of the upper and lower parts, thereby preventing left and right displacement. is there.

In the charger shown in FIG. 5, a contact 9 connected to the charging terminal 13 of the battery built-in case 3 is provided at the bottom of the mounting portion 2. This is for connecting to the charging terminal 13 provided on the back of the battery built-in case 3. The battery built-in case 3 is provided with a charging terminal 13 at a lower portion. Therefore, the contact 9 connected to the charging terminal 13 is also provided below the mounting section 2. As shown in this figure, the contact 9 is disposed below the mounting portion 2, and the elastic holding lever 5 is disposed below the side wall 6, so that the contact 9 and the elastic holding lever 5 are brought close to each other. The provided charger has a feature that the contact 9 can be more reliably electrically connected to the charging terminal 13 of the battery built-in case 3 by the elastic holding lever 5. This is because the portion of the battery housing case 3 where the charging terminal 13 is provided can be set in the mounting portion 2 by holding the portion with the elastic holding lever 5.

The elastic holding lever 5 has one end connected to the charger main body 1 so as to be tiltable, and has a hook portion 5A at the other end for holding and holding the battery built-in case 3. The elastic holding lever 5 is pressed by the elastic body 10 in a direction to elastically clamp the battery built-in case 3.

The elastic holding lever 5 is shown in FIGS. The elastic holding lever 5 shown in these figures is provided with a rotating shaft 5B protruding from both sides of the lower end and a hook portion 5A integrally formed of plastic at the upper portion. The rotating shaft 5B is supported so as to be rotatable by the case 11 as shown in the sectional views of FIGS. Case 11 in the figure
Has a support portion 12 for supporting the rotary shaft 5B integrally formed on the upper case portion 11A and the lower case portion 11B.
The support portion 12 has a support surface that curves in a shape along the rotation axis 5B, and makes the support surface slidably contact the rotation shaft 5B so that the rotation shaft 5B of the elastic holding lever 5 can rotate. That is, the elastic holding lever 5 is supported so that it can be tilted.

The hook portion 5A is provided with an opening window 6 provided on the side wall 6.
A has a convex portion protruding from the mounting portion 2 to the mounting portion 2. As shown in FIG. 8, the convex portion has an upper surface as an inclined surface so that the battery built-in case 3 can be smoothly inserted into the mounting portion 2.
Further, the lower surface of the convex portion is also formed with a slope that is steeper than the upper surface so that the battery built-in case 3 set in the mounting portion 2 can be removed smoothly. Furthermore, both sides of the convex part,
As shown in FIG. 9, the battery built-in case 3 can be easily and smoothly attached and detached as an inclined surface whose width gradually decreases toward the tip.

Further, as shown in FIG. 7, the elastic holding lever 5 has an upper end surface inclined downwardly above the side wall 6, that is, rightward in this figure.
The side wall 6 is also inclined in the same direction as the upper surface of the elastic holding lever 5, as shown in FIG. In the battery charger having this structure, the side wall 6 and the upper surface of the elastic holding lever 5 are inclined downward toward the portion where the side wall 6 is lowered.
As shown by the dashed line in FIG. 5, the hand does not touch the side wall 6 and the elastic holding lever 5 when the hand is put in, so that it does not get in the way.
The elastic holding lever 5 and the side wall 6 shown in these figures have their upper end surfaces curved so as to be inclined downward toward the upper side of the mounting portion 2. However, although not shown, the elastic holding lever and the side wall may be formed by cutting the upper end surface in a straight line so as to be inclined downward toward the upper side of the mounting portion.

The elastic holding lever 5 built in the side wall 6
The elastic body 10 is pressed in a direction to elastically clamp the battery built-in case 3. The elastic body 10 shown in the figure has a shape in which both ends are wound in a coil shape, and presses the back surface of the elastic holding lever 5 in the middle. The elastic body 10 has a rotating shaft 5B of the elastic holding lever 5 inserted into a coiled portion. Further, both ends of the elastic body 10 press the inner surface of the case 11 and press the elastic holding lever 5 in the direction of clamping the battery built-in case 3 by the reaction. The elastic body 10 in the figure
Presses the inner surface of the case 11 forming the mounting portion 2.

Since the charger shown in the figure has a plurality of rows of mounting portions 2, two elastic holding levers 5 are provided at the boundary between adjacent mounting portions 2 in a back-to-back posture.
They are arranged to face each other. Two elastic holding levers disposed at the boundary of the mounting portion 2, that is, a pair of elastic holding levers 5, one of the elastic holding levers 5 was tilted in order to detach the battery built-in case 3 from the mounting portion 2. In the state,
It is arranged close enough to contact the other elastic holding lever 5. This is because when the elastic holding lever 5 is tilted and the battery built-in case 3 is attached to or detached from one of the mounting portions 2, the battery built-in case 3 set in the adjacent mounting portion 2 is prevented from being displaced. .

The pair of elastic holding levers 5 arranged close to each other are tilted as shown by the chain line in FIG. The one elastic holding lever 5 that tilts approaches the rear surface of the other elastic holding lever 5 that is disposed adjacent to, or contacts the rear surface. When one of the elastic holding levers 5 approaches or comes into contact with the back surface of the other elastic holding lever 5, the tilting elastic holding lever 5 becomes non-tilting.
To prevent tilting. Elastic holding lever 5 that does not tilt
Holds the battery built-in case 3 set in the mounting portion 2 so as not to be displaced. This is because the battery built-in case 3 is not detached from the mounting portion 2 unless the elastic holding lever 5 is tilted.

The pair of elastic holding levers 5 are so close that the battery housing cases 3 of both mounting portions 2 cannot be simultaneously removed. The ideal distance between the pair of elastic holding levers 5 is such that when one of the elastic holding levers 5 is tilted at an angle at which the battery built-in case 3 is detached, the inclined elastic holding lever 5
Are in contact with the back surface of the other elastic holding lever 5 so that the other elastic holding lever 5 can be prevented from tilting. However, in the state where one elastic holding lever 5 is tilted to such an extent that the battery built-in case 3 can be detached, the other elastic holding lever 5
However, the battery-containing case 3 cannot be detached but can be approached to such an extent that it can be tilted slightly.

[0029]

According to the battery charger of the present invention, a battery built-in case such as an electronic device or a battery pack is set in a mounting portion, and a charging terminal provided on the battery built-in case is securely electrically connected to a contact of the charger. It has the feature of minimizing contact failure and ensuring reliable charging. That is, the battery charger of the present invention is a state in which the battery built-in case set in the mounting portion so that it can be attached and detached is elastically clamped on both sides by elastic holding levers while preventing vertical displacement from being caused by vertical stoppers. This is because the battery is charged while being held at a fixed position.

Further, the charger of the present invention has a feature that the contact can be effectively prevented from being damaged when the battery built-in case is attached to or detached from the mounting portion. In particular, there is a feature that even when the contact is protruded high because it is connected to the charging terminal disposed deep in the battery built-in case, damage during the detachment operation can be effectively prevented.

[Brief description of the drawings]

FIG. 1 is a schematic sectional view of a conventional charger.

FIG. 2 is a plan view of the charger according to the embodiment of the present invention.

FIG. 3 is a front view of the charger shown in FIG. 2;

FIG. 4 is a side view of a charger according to another embodiment of the present invention.

FIG. 5 is an enlarged cross-sectional view of the charger shown in FIG. 2;

FIG. 6 is an enlarged vertical sectional view of the charger shown in FIG. 3;

FIG. 7 is an enlarged front view of an elastic holding lever of the charger shown in FIG. 6;

FIG. 8 is a side view of the elastic holding lever shown in FIG. 7;

FIG. 9 is a plan view of the elastic holding lever shown in FIG. 7;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Charger main body 2 ... Mounting part 3 ... Battery built-in case 4 ... Vertical stopper 5 ... Elastic holding lever 5A ... Hook part 5
B: rotating shaft 6: side wall 6a: open window 7: pillow 8: concave portion 9: contact point 10: elastic body 11: case 11A: upper case portion 1
1B: Lower case part 12: Support part 13: Charging terminal 14: Electronic equipment

Claims (6)

[Claims] 1. A battery built-in case containing a secondary battery
A charger having a mounting portion (2) for detachably mounting (3), wherein the charger has all of the following configurations. (A) Above and below the mounting part (2), a vertical stopper (4) that prevents the mounted battery case (3) from moving in the vertical direction.
Is provided. (B) On both sides of the mounting portion (2), an elastic holding lever (5) for elastically holding the battery built-in case (3) from both sides is provided. (C) One end of the elastic holding lever (5) is connected to the charger main body (1) so as to be tiltable, and the other end of the elastic holding lever (5) holds and holds the battery built-in case (3). ). (D) The elastic holding lever (5) has an elastic body (10),
It is pressed in a direction to elastically sandwich the battery built-in case (3). 2. On both sides of the mounting portion (2), a side wall (6) for preventing the mounted battery built-in case (3) from moving in the left-right direction is provided, and the side wall (6) has an elastic holding lever. The charger according to claim 1, wherein (5) is incorporated. The side wall (6) has a high portion containing an elastic holding lever (5) and a hand for grasping both sides of the battery built-in case (3) when detaching the battery built-in case (3). 3. The charger of claim 2 having a lower portion for insertion. 4. A battery built-in case (3) at the bottom of the mounting part (2).
The contact (9) connected to the charging terminal (13) of the
The charger according to claim 1, wherein an elastic holding lever (5) is provided near the contact (9). 5. The battery charger according to claim 1, wherein the elastic holding lever (5) has an upper end surface inclined downwardly toward the upper side of the mounting portion (2). 6. The side wall (6) has the upper end surface of the high portion containing the elastic holding lever (5) facing the both sides of the battery built-in case (3) when the battery built-in case (3) is detached. 4. The charger according to claim 3, wherein the charger is inclined downhill toward a lower part for holding a gripping hand.