JPH0831311B2 - Battery storage structure for electronic devices - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a housing structure for an electronic device such as a receiver for an individual call, and more particularly to a structure for a battery housing.

[0002]

2. Description of the Related Art In this type of electronic equipment, a small cylindrical battery such as an AAA type battery or an AA type battery is used. Therefore, a battery housing chamber for accommodating these batteries is provided in the equipment casing. A battery cover is attached to the battery storage chamber to cover the stored battery. FIG. 5 is a view showing a structure of a battery housing portion applied to a conventional individual call receiver. An opening 2 having a size of a battery to be housed is provided in a part of a housing 1 of the receiver. A slender battery storage chamber 3 is formed facing the front. Further, a battery cover 4 for closing the opening 2 of the battery storage chamber 3 is provided and is formed in an elongated plate shape. In addition, here, it is formed in an L shape as a whole so as to cover one end of the battery storage chamber 3.

A negative electrode terminal 5 and a positive electrode terminal 6 are provided at both ends of the battery accommodating chamber 3, and a coiled spring electrode 7 elastically contacted with the negative electrode of the battery is disposed at the negative electrode terminal. Is provided with a metal electrode 8 that abuts against a positive electrode of the battery by projecting a part of the metal piece. A plurality of short engagement rails 10 are integrally formed on the inner wall of the battery storage chamber 3 along the opening edge. Further, on the inner surface of the battery cover 4, a plurality of engaging protrusions 11 having an L-shaped cross-sectional shape capable of engaging with the engaging rail 10 are integrally provided.

In the structure of this battery housing portion, when the battery B is housed in the electronic chamber 3, as shown in the sectional structure of FIG. The electrode 8 is held in a pressed state.
The battery cover 4 is held in the device housing by the engagement projections 11 engaging with the engagement rails 10. And
When the battery B is taken out, the battery cover 4 is slid in the direction of arrow A in the figure, the engagement between the engagement protrusion 11 and the engagement rail 10 is released, and the battery cover 4 can be removed from the device housing 1. it can. Next, when the upper edge of the battery B on the positive electrode side is hooked on a nail or the like and pulled up, the positive electrode is disengaged from the contact with the metal electrode 8 as shown by the chain line in the figure, and the negative electrode terminal is The battery B is pushed by the spring electrode 7 of 5 and the battery B is tilted so that the portion on the positive electrode side protrudes from the battery storage chamber 3. Therefore, it is possible to take out the battery by re-grabbing this protruding portion of the battery B again.

[0005]

In such a conventional battery housing structure, when the battery B is taken out from the device housing 1, the battery cover 4 is removed from the device housing 1 and the positive electrode of the battery B is removed. Since the operation of pulling up the side portion upward by a claw or the like and the operation of re-grabbing and pulling out the protruding portion of the positive electrode side of the battery B again, there is a problem that the operation of taking out the battery is troublesome. . It is an object of the present invention to provide a battery housing structure that simplifies the battery taking-out operation and facilitates taking-out of the battery.

[0006]

SUMMARY OF THE INVENTION The present invention provides a battery housing structure in which a battery cover that closes the opening of the battery housing chamber is slidably attached and detached, and a recess is provided on the bottom surface of one end of the battery housing chamber. When the one end of the stored battery is pressed toward the bottom surface, the other end of the battery can be configured to protrude from the battery storage chamber, and a pressing protrusion is provided on the inner surface of the one end of the battery cover. When the battery cover is slid to be removed, the pressing protrusion abuts on the side surface of one end of the battery in the housed state and presses the one end toward the bottom surface of the battery housing chamber. In this case, the engagement rail is configured to be disengaged from the engagement projection when the battery cover is slid by a predetermined small size from the fully closed state, and the pressing projection engages with the engagement projection. When the rail and the rail are released, one end of the battery is pressed. A negative electrode terminal that is in electrical contact with the negative electrode of the battery is provided at one end of the battery storage chamber, and a positive electrode terminal that is in electrical contact with the positive electrode of the battery is provided at the other end. A spring electrode that biases the
When one end of the battery is pressed toward the concave portion of the bottom surface of the battery storage chamber, the positive facing state of the positive electrode and the positive electrode terminal is released,
The biasing force of the spring electrode moves the other end of the battery toward the opening of the battery storage chamber.

[0007]

Next, the present invention will be described with reference to the drawings. FIG. 1 is a perspective view of an embodiment of the present invention, and FIG. 2 is a perspective view of the battery cover as seen from the inner surface direction. An opening 2 having a size slightly larger in the lengthwise direction than the battery and having substantially the same size in the widthwise direction is provided, and an elongated box-shaped battery storage chamber 3 is formed facing the opening 2 and capable of storing the battery B. . Further, a battery cover 4 for closing the opening 2 of the battery storage chamber 3 is provided and is formed in an elongated plate shape. Here, the opening 2 is formed by cutting out a part of the casing 1 also on an end face of a positive electrode terminal 6 described later provided at one end of the battery housing chamber 3, and the battery cover 4 is formed by this notch. It is formed in an L-shape having a side 4a at a right angle so as to cover the end face portion that has also been formed.

As shown in a partially enlarged cross-sectional view in FIG. 3, a negative electrode terminal 5 is provided at one end of the battery housing chamber 3,
A positive electrode terminal 6 is provided at the other end. A conical-coil-shaped spring electrode 7 elastically contacted with the negative electrode of the battery B is arranged in the negative electrode terminal 5, and is fitted and supported in a U-shaped concave groove 1 a provided in the housing 1. A part of the spring electrode 7 extends to the inside of the housing, and is electrically connected to an internal circuit (not shown) through this part. Further, the positive electrode terminal 6 is provided with a metal electrode 8 having a projection 8a, a part of which is projected, and is fitted and supported in a narrow groove 1b provided in the housing 1. This metal electrode 8
Protrusion 8a is abutted against the positive electrode of the battery, and the metal electrode 8
Is electrically connected to the internal circuit by a lead wire (not shown). Further, a recess 9 is formed in the bottom of the battery storage chamber 3 on the negative electrode terminal side. Further, a plurality of short engagement rails 10 are integrally formed on the inner wall of the battery storage chamber 3 along the opening edge. These engaging rails 10 are the first pair of engaging rails 10 provided on both sides of the negative electrode terminal 5 side portion of the battery storage chamber.
a and a second pair of engagement rails 10b provided on both sides of the battery storage chamber at a substantially intermediate position in the lengthwise direction. And here, the second pair of engagement rails 10
The length of b is formed to be slightly shorter than the length of the first pair of engagement rails 10a.

The inner surface of the battery cover 4 is provided with the
A plurality of engaging protrusions 11 each having an L-shaped cross section that can engage with one engaging rail 10 and having a short lengthwise direction are integrally provided. That is, a first pair of engagement protrusions 11a is provided at one end of the inner surface of the battery cover 4, and a second pair of engagement protrusions 11b is provided at an intermediate position in the length direction thereof.
Reference numerals 1a and 11b correspond to the first pair and the second pair of engagement rails 10a and 10b, respectively. Further, a pressing protrusion 12 is integrally formed at one end of the inner surface of the battery cover 4 in the center position in the width direction so as to protrude in the plate thickness direction of the battery cover 4.

In this battery storage part, when the battery B is stored in the battery storage chamber 3 as shown in FIG. 4A, the positive electrode of the battery B is the positive electrode 6 by the spring electrode 7 of the negative terminal 5. It is held in a state of being pressed by the metal electrode 8. Further, the battery cover 4 is held in the device housing 1 by the engagement protrusions 11 engaging with the engagement rails 10. Then, when the battery is taken out, as shown in FIG. 4B, when the battery cover 4 is slid in the direction of the arrow A, the engaging protrusion 11 is moved along the engaging rail 10 and the pressing protrusion 12 moves the battery B. It is moved to the position where it abuts against the negative electrode side part of. Then, the second pair of engagement rails 10b formed to be short
Is moved to a position where the engagement of the second pair of engaging projections 11b can be released, the pressing projection 12 comes into contact with the side surface of the battery B on the negative electrode side and presses the portion downward.

As a result, as shown in FIG. 4 (c), the battery B
The negative electrode side portion is pushed down toward the recess 9 on the bottom surface of the battery storage chamber 3, and the positive electrode side portion is moved upward by its reaction, and the positive electrode is the projection 8a of the metal electrode 8 of the positive electrode terminal 6.
As a result, the battery B is tilted so that the positive electrode side is slightly upward. Along with this, the battery cover 4 is pushed up to the positive electrode side portion of the battery B and the other end is pushed up. At this time, the second
The pair of engagement protrusions 11b is disengaged from the second pair of engagement rails 10b, and the first pair of engagement protrusions 11a is almost released from the engagement with the first pair of engagement rails 10a. Is in a state.

Therefore, the battery cover 4 can be removed as it is, and in this state, the battery B is already removed.
Since the positive electrode side is projected from the battery storage chamber 3, the positive electrode side can be grasped and taken out from the battery storage chamber 3. As a result, it is not necessary to operate the battery B by pulling it up by hooking the positive electrode side portion of the battery B with a nail or the like, which is conventionally required, and the battery removing operation can be simplified. When the battery B is stored in the battery storage chamber 3,
The battery B may be stored in the battery storage chamber 3 first, and then the battery cover 4 may be attached.

[0013]

As described above, according to the present invention, when the battery cover is slid so as to be detached, the pressing protrusion provided on the inner surface of the battery cover holds the one end of the battery in the bottom surface of the battery storage chamber. Since the other end of the battery can be projected from the battery storage chamber by pressing it toward, the battery cover can be removed by simply removing the battery cover with this operation and then removing the battery. There is an effect that the battery can be taken out from the storage chamber and the operation of taking out the battery can be simplified. In addition, the negative electrode terminal provided at one end of the battery storage chamber is composed of a spring electrode, and when one end of the battery is pressed toward the recess on the bottom surface of the battery storage chamber, the positive electrode and the positive electrode terminal are in a directly facing state. Is released, and the other end of the battery is moved toward the opening of the battery storage chamber by the biasing force of the spring electrode, so that the battery can be taken out more easily.

[Brief description of drawings]

FIG. 1 is a partially exploded perspective view of an embodiment of a battery storage structure of the present invention.

FIG. 2 is a perspective view from the inner surface direction of the battery cover.

3 is an enlarged cross-sectional view of a part of FIG.

FIG. 4 is a cross-sectional view for explaining the operation of the present invention.

FIG. 5 is a partially exploded perspective view of an example of a conventional battery storage structure.

FIG. 6 is a cross-sectional view of a conventional structure in which a battery is stored.

[Explanation of symbols]

 1 Equipment Housing 3 Battery Storage Room 4 Battery Cover 5 Negative Terminal 6 Positive Terminal 7 Spring Electrode 8 Metal Electrode 9 Recess 10 Engaging Rail 11 Engaging Protrusion 12 Pressing Protrusion

Claims (3)

[Claims] 1. A battery storage chamber which is opened in a housing of a device to store a cylindrical battery, and a battery cover which closes the opening of the battery storage chamber. An engagement rail is provided on an inner wall of the battery storage chamber. In the battery housing structure, wherein an engagement protrusion that engages with the engagement rail is provided on the inner surface of the battery cover, and the engagement protrusion is detachable from the engagement rail by sliding the battery cover, A recess is provided on the bottom surface of one end of the battery storage chamber, and the other end of the battery can be projected from the battery storage chamber when one end of the stored battery is pressed toward the bottom surface. A pressing protrusion is provided on the inner surface of one end of the battery cover, and when the battery cover is slid to be detached, the pressing protrusion abuts on one end of the battery in the stored state, and the one end is attached to the battery storage chamber. Press toward the bottom of A battery storage structure for an electronic device, characterized in that 2. The engagement rail is configured to be disengaged from the engagement projection when the battery cover is slid by a predetermined small size from the fully closed state of the battery cover, and the pressing projection is formed with the engagement projection. 2. The battery housing structure for an electronic device according to claim 1, wherein one end of the battery is pressed when the engagement rail is released. 3. A negative electrode terminal electrically contacting the negative electrode of the battery is provided at one end of the battery storage chamber, and a positive electrode terminal electrically contacting the positive electrode of the battery is provided at the other end. Is provided with a spring electrode for urging the battery toward the positive electrode terminal, and when one end of the battery is pressed toward the recess, the positive electrode and the positive electrode terminal are released from the facing state, and the urging force of the spring electrode is released. 3. The battery storage structure for an electronic device according to claim 2, wherein the other end of the battery is moved toward the opening of the battery storage chamber.