JP4556539B2 - Battery pack - Google Patents

Description

  The present invention relates to a battery pack that is removable from a portable terminal.

A portable terminal can be used with a battery pack attached and charged in the battery pack. The battery pack includes a receiving portion that comes into contact with the terminal pin of the portable terminal. When the battery pack is attached to the portable terminal, the terminal pin is pushed by the receiving portion and is indented to elastically contact the receiving portion. Is established between the two.
JP 2001-118552 A

When the battery pack described in the cited document 1 is attached to the portable terminal, the terminal pin does not slide in contact with the receiving portion, and therefore the battery pack can be attached to the portable terminal without damaging the terminal pin. .
By the way, in the case of the cited document 1, if the battery pack is released in a state in which the battery pack is taken out against gravity (upward), the battery will not fall, but the battery pack is released downward. In some cases, as soon as the release operation is performed, the battery pack may fall carelessly and damage the battery pack.

  The present invention has been made in view of the above circumstances, and an object thereof is to provide a battery pack that can prevent inadvertent dropping from a mobile terminal even when a release operation is performed. .

  According to the first aspect of the present invention, when the battery pack is housed in the battery pack housing portion of the mobile terminal, the engaging portion provided on one end side of the battery pack is engaged with the engaged portion of the battery pack housing portion. The release movable claw receiving portion provided on the rear end side is engaged by the release movable claw. In this state, when the engagement of the release movable claw with the release movable claw receiving portion is released, the open spring receiving portion is separated from the battery pack housing portion by the release spring terminal. Thereby, a battery pack can be easily removed from a portable terminal.

According to the first aspect of the present invention, when the battery pack is housed in the battery pack housing portion of the mobile terminal, the engaging portion provided on one end side of the battery pack is engaged with the engaged portion of the battery pack housing portion. The release movable claw receiving portion provided on the rear end side is engaged by the release movable claw. In this state, when the engagement of the release movable claw with the release movable claw receiving portion is released, the open spring receiving portion is separated from the battery pack housing portion by the release spring terminal. Thereby, a battery pack can be easily removed from a portable terminal.
Here, when the engagement with the release movable claw receiving portion by the release movable claw is released with the battery pack facing downward, the open spring receiving portion is separated from the battery pack housing portion by the open spring terminal. At this time, it is possible to prevent the battery pack from being inadvertently dropped from the portable terminal by catching the drop-off preventing claw on the portable terminal side. In such a state, when the battery pack is pulled strongly, the drop-out preventing claw is deformed, so that the battery pack can be removed from the portable terminal.

According to the invention of claim 4 , since the deformed drop prevention claw can be housed in the housing recess, even if the drop prevention claw greatly deforms toward the battery pack side, the deformation can be allowed.

(First embodiment)
Hereinafter, a first embodiment in which the present invention is applied to a portable barcode reader will be described with reference to FIGS.
FIG. 2 is a front view of the portable barcode reader. In FIG. 2, a portable barcode reader (corresponding to a portable terminal) 2 is mounted on the charger 1, and the portable barcode reader 2 is charged from a commercial AC power source in the mounted state. ing. That is, the charger 1 and the portable barcode reader 2 are each provided with contact terminals (not shown), and when the portable barcode reader 2 is placed on the charger 1, the contact terminals are in conductive contact with each other. By doing so, the battery pack 3 (see FIG. 3) built in the portable barcode reader is charged.

  FIG. 3 is a perspective view showing a state in which the battery pack 3 built in the portable barcode reader 2 is removed. In FIG. 3, a concave battery pack housing portion 4 is formed on the back side of the casing of the portable barcode reader 2, and the battery pack 3 is housed in the battery pack housing portion 4. That is, a release movable claw 5 is slidably provided at the peripheral edge of the battery pack housing part 4, and the release movable claw 5 projects into the battery pack housing part 4 in a biased state by a biasing means (not shown). . The release movable claw 5 can be withdrawn from the battery pack housing portion 4 by a sliding operation on the release movable claw 5. In the portable bar code reader 2, a recess 6 communicating with the battery pack housing 4 is formed at a lower portion of the release movable claw 5.

An engaging portion 7 (see FIG. 1) is formed to project forward at the lower center of the front end portion of the battery pack 3, and the engaged portion 7 is formed on the inner surface of the battery pack housing portion 4. 8 is engaged. A release movable claw receiving portion 9 is formed at the rear end portion of the battery pack 3, and the release movable claw 5 is engaged with the release movable claw receiving portion 9.
Here, at the rear end portion of the battery pack 3, a rubber drop-off preventing claw 10 protrudes rearward and is integrally provided, and the battery pack 3 is housed in the battery pack housing portion 4 in a state where the battery pack 3 is housed. 10 is located in the recessed part 6 formed in the lower part of the release movable nail | claw 5. FIG. A storage recess 11 is formed at a portion between the drop-out preventing claw 10 and the release movable claw receiving portion 9 at the rear end portion of the battery pack 3.

  An open spring terminal 12 is provided on the bottom surface of the battery pack housing portion 4, and the open spring terminal 12 is provided on the back side of the battery pack 3 in a state where the battery pack 3 is housed in the battery pack housing portion 4. It is configured to come into contact with an open spring receiving portion (not shown) in a biased state.

Next, the operation of the above configuration will be described.
When the battery pack 3 has failed or has reached the end of its life, the battery pack 3 is replaced as follows. That is, the release movable claw 5 provided on the portable barcode reader 2 is slid. Then, the engagement of the release movable claw 5 with respect to the release movable claw receiving portion 9 of the battery pack 3 is released, and the battery pack 3 is moved to the portable barcode reader by the urging force of the open spring terminal 12 against the open spring receiving portion of the battery pack 3. Trying to leave 2 At this time, when the release movable claw 5 is slid with the battery pack 3 positioned above the portable barcode reader 2, the rear end of the battery pack 3 is lifted upward by the urging force of the release spring terminal 12. Therefore, it can be removed from the portable barcode reader 2 by pulling the battery pack 3.

On the other hand, when the release movable claw 5 is slid with the battery pack 3 positioned below the portable barcode reader 2, the battery pack 3 pushed by the open spring terminal 12 is undesired by gravity. Will fall ready.
However, since the battery pack 3 is provided with a rubber drop-off prevention claw 10 protruding, when the battery pack 3 is about to fall, the drop-off prevention claw 10 is pulled to the release movable claw 5 as shown in FIG. As a result, the battery pack housing part 4 can be prevented from being accidentally dropped from the portable barcode reader 2. If the battery pack 3 is pulled strongly in such a state, the rubber drop-off preventing claw 10 is bent as shown in FIG. 5 and passes through the tip of the release movable claw 5, so that the battery pack 3 is carried. The mold barcode reader 2 can be removed.

  On the other hand, for example, to attach a new battery pack 3 to the portable barcode reader 2, the engaging portion 7 of the battery pack 3 is engaged with the engaged portion 8 of the battery pack housing portion 4 of the portable barcode reader 2. In this state, the rear end of the battery pack 3 is pushed in. Then, as shown in FIG. 6, the drop-off preventing claw 10 is caught on the release movable claw 5, and when the rear end portion of the battery pack 3 is pushed in strongly, the drop-off preventing claw 10 is disengaged from the release movable claw 5 as shown in FIG. 7. Pass the tip. As a result, the release movable claw 5 is engaged with the release movable claw receiving portion 9 of the battery pack 3 as shown in FIG. 1, so that the battery pack 3 can be attached to the portable barcode reader 2.

According to such an embodiment, the battery pack 3 is provided with the rubber drop prevention claw 10, and when the battery pack 3 is removed from the portable barcode reader 2 by the sliding operation on the release movable claw 5, the drop prevention claw 10 is provided. Since the battery pack is caught on the release movable claw 5, the slide movable claw 5 may be slid unlike the conventional example, which may cause the battery pack to fall carelessly if the release movable claw is slid. However, the battery pack 3 can be prevented from being accidentally dropped from the portable barcode reader 2 and damaged.
In addition, since such excellent effects can be implemented mainly by remodeling the battery pack 3, it can be easily implemented at low cost.

(Second embodiment)
Next, a second embodiment of the present invention will be described with reference to FIGS. 8 to 13. The same parts as those of the first embodiment are denoted by the same reference numerals, and description thereof will be omitted. The second embodiment is characterized in that the part of the portable barcode reader 2 where the drop prevention claw 10 provided on the battery pack 3 is hooked is changed.
Two drop prevention claws 10 are provided at the rear end portion of the battery pack 3, and the wall portions of the battery pack housing portion 4 are in communication with the battery pack housing portion 4 at both sides of the release movable claw 5. In the state where the recessed portion 21 is formed and the battery pack 3 is attached to the battery pack housing portion 4, the drop-off preventing claw 10 is located in the recessed portion 21 as shown in FIG. 9.
When the release movable claw 5 is slid, the battery pack 3 tends to be separated from the portable barcode reader 2 by the open spring terminal 12, but the drop-off prevention claw 10 is caught on the wall surface of the recess 21 as shown in FIG. Therefore, it is possible to prevent the battery pack 3 from being accidentally dropped. When the battery pack 3 is pulled strongly in such a state, the drop-out preventing claw 10 is bent and passes through the wall surface of the recess 21 as shown in FIG. 11, so that the battery pack 3 is removed from the portable barcode reader 2. Can do.

  When the battery pack 3 is attached to the portable barcode reader 2, the drop-off preventing claw 10 provided on the battery pack 3 is caught on the wall surface of the recess 21 as shown in FIG. As shown in FIG. 13, the drop-off preventing claw 10 is bent and passes through the wall surface of the battery pack housing portion 4 and is positioned in the recess 21. Thereby, the battery pack 3 can be attached to the portable barcode reader 2.

  According to such an embodiment, the battery pack 3 is provided with the rubber drop prevention claw 10, and when the battery pack 3 is removed from the portable barcode reader 2 by the sliding operation on the release movable claw 5, the drop prevention claw 10 is provided. Is hooked on the wall surface of the concave portion 21 of the portable barcode reader 2, so that the battery pack 3 is attached to the portable barcode reader 2 by the drop-off preventing claw 10 provided in the battery pack 3 as in the first embodiment. Can be prevented from being accidentally dropped and damaged.

(Third embodiment)
Next, a third embodiment of the present invention will be described with reference to FIGS. The third embodiment is characterized in that the battery pack 3 is provided with a drop-off preventing claw and the displacement of the drop-off preventing claw is used.
In FIG. 14 showing the drop-off prevention claw, the drop-off prevention claw 31 is formed by, for example, a leaf spring, and a hemispherical drop-off prevention protrusion 31a is bulged at the tip.

  When the release movable claw 5 is slid to remove the battery pack 3 from the portable barcode reader 2, the release movable claw receiving portion 9 of the battery pack 3 passes through the release movable claw 5, but falls off as shown in FIG. Since the protrusion 31 a for preventing the drop of the prevention claw 31 is caught on the tip of the release movable claw 5, it is possible to prevent the battery pack 3 from being accidentally dropped from the portable barcode reader 2. If the battery pack 3 is pulled strongly in such a state, the drop prevention protrusion 31a is pushed and displaced by the tip of the release movable claw 5 as shown in FIG. Pass the tip. Thereby, the battery pack 3 can be removed from the portable barcode reader 2.

  On the other hand, when the rear end portion of the battery pack 3 is strongly pressed against the battery pack housing portion 4 with the engaging portion 7 of the battery pack 3 engaged with the engaged portion 8 of the portable barcode reader 2, the drop prevention protrusion 31a is released. Since it is pushed and displaced by the tip of the movable claw 5 and the drop prevention claw 31 passes through the tip of the release movable claw 5, the battery pack 3 can be attached to the portable barcode reader 2.

According to such an embodiment, since it can be carried out simply by fixing the drop-off preventing claw 31 formed of the spring member to the battery pack 3, it is easily carried out at a low cost as in the first embodiment. be able to.
The present invention is not limited to the above embodiment, but can be modified or expanded as follows.
The drop-off preventing claws 10 and 31 may be detachable from the battery pack 3.
Instead of the deformation of the drop-off prevention claw, it may be slidably provided.

The schematic diagram which shows the cross section of the principal part in 1st Example of this invention. Front view of portable barcode reader shown in a state of being placed on a charger The perspective view of the battery pack shown in the removed state from the portable barcode reader Sectional view of the battery pack showing the removal process (Part 1) Sectional view of the battery pack showing the removal process (Part 2) Sectional view of the battery pack showing the mounting process (Part 1) Sectional view of the battery pack showing the mounting process (Part 2) FIG. 3 equivalent view showing a second embodiment of the present invention. 1 equivalent diagram 4 equivalent figure Figure equivalent to FIG. 6 equivalent diagram 7 equivalent diagram FIG. 1 equivalent view showing a third embodiment of the present invention. 4 equivalent figure Figure equivalent to FIG.

Explanation of symbols

In the drawings, 1 is a charger, 2 is a portable barcode reader (portable terminal), 3 is a battery pack, 4 is a battery pack housing part, 5 is a release movable claw, 7 is an engaging part, and 8 is an engaged part. , 9 is a release movable claw receiving portion, 10 is a drop prevention claw, 11 is a storage recess, and 12 is an open spring terminal.

Claims (4)

A removable battery pack that supplies operating power in a state of being accommodated in a battery pack accommodating portion of a portable terminal,
An engagement portion that is provided on one end side and engages with an engaged portion provided in the battery pack housing portion in a state of being housed in the battery pack housing portion;
A release movable claw receiving portion that is provided on the other end side and engages with a release movable claw provided in the mobile terminal in a state of being accommodated in the battery pack accommodating portion;
An open spring receiving portion that is separated from the battery pack housing portion by an open spring terminal provided in the mobile terminal when the release movable claw is disengaged from the release movable claw receiving portion;
Protruding from the other end side and provided integrally, and when the opening spring receiving portion receives a predetermined pulling force from the opening spring terminal, it is hooked to a predetermined portion of the portable terminal and the opening spring terminal is generated. A battery pack comprising: a drop-off preventing claw made of an elastic body that is elastically deformed when subjected to a pulling force larger than the pulling force . 2. The battery pack according to claim 1, wherein the drop-off preventing claw is bent out from a state of being hooked on the predetermined portion, and then is pulled out from the predetermined portion . The falling-off prevention pawl has a falling-off preventing protrusion on the tip, the falling-off preventing protrusion of claim 1, wherein the escape from the predetermined portion by displacement from the state caught in the predetermined portion Battery pack. The predetermined part is a release movable claw,
4. The battery pack according to claim 2, further comprising an accommodation recess that accommodates the drop-off prevention claw that is elastically deformed when passing through the release movable claw . 5.

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