JPH1140120A - Housing structure for coin-shaped battery - Google Patents

Abstract

PROBLEM TO BE SOLVED: To contribute to thinning, miniaturization, and reduction in the number of parts, without deteriorating antenna characteristic, and to prevent a user from unintentionally opening a battery cap. SOLUTION: (a) is a sectional view showing a state in which a battery lid is closed, and (b) is a sectional view showing a state in which the lid is opened, showing a structure of a battery housing part 111 provided at a right lower part of a case main body. In (a), a battery 4 is held with walls 6 and 7 and a battery lid 2, and is housed in a state being pressed to the battery lid 2 by a sprint resilience of a positive electrode terminal 5 made of a spring. When the battery 2 is taken out, a stopper 3 is first slid upwards, and the battery lid 2 locked at its tip end 31 is released. Next, when the battery lid 2 is slid in the right side direction, the battery 2 is ejected to the outside by a spring force as shown in (b). At this time, the battery lid 2 is turned with a metal cylinder 9 which is a fulcrum. The metal cylinder 9, respectively, is fixed to top and bottom casing plates serving as an antenna function and connect both of them are electrically.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coin-type battery storage structure, and more particularly to a coin-type battery storage structure for a small electronic device such as an individual paging receiver.

[0002]

2. Description of the Related Art Conventionally, as a coin-type battery storage structure of this kind of small electronic equipment, there is one described in Japanese Patent Application Laid-Open No. 4-45265. This embodiment is characterized in that a coin-type battery is easily attached to and detached from a battery storage room provided in a device housing, and component parts are prevented from being lost or damaged.

FIG. 4 is a perspective view showing the appearance of this conventional battery storage structure. The flat battery storage chamber 42 provided in the housing 41 has its upper opening rotatably supported by a shaft pin of a battery lid 43 that can be opened and closed. A pair of battery support rails are provided inside the battery cover 43, and these can hold a disk-shaped battery 44. In order to limit the rotation range of the battery cover 43, a stopper is provided to
2 is fitted in the stopper groove provided in the second groove. Further, a lock claw is provided on the battery cover 43, and the lock claw is engaged with the lock groove of the battery storage chamber 42. When the battery cover 43 is opened, the battery 44 is closed.
The battery housing 42 is closed when the battery cover is closed.

FIG. 5 is a perspective view showing the appearance of another conventional example. When the battery 54 is stored in the battery storage chamber 52, the battery cover 53 is opened and stored. When the battery cover 53 is closed by a hinge structure, the battery cover 53 is locked to the main body 51 with a simple lock structure.

[0005]

[0004] Small electronic devices, in particular, individual paging receivers have been developed into card-shaped ones as they become thinner. A cosmetic label or the like is affixed to the front and back surfaces of this card type, and inside the inside thereof, a front housing sheet metal and a rear housing sheet metal which are components for realizing an antenna function essential for the receiver are provided. A metal cylinder is provided near one end of the front and back housing sheet metal to be electrically connected, and near the other end of the front and back housing sheet metal is electrically connected to a built-in circuit board. As a result, a loop-shaped antenna is formed in cross section. The characteristics of this antenna are improved as the area of the front and back casing sheet metal is increased and as the distance is increased. However, the prior art disclosed in the above-mentioned Japanese Patent Application Laid-Open No. 4-45265 requires the back or front case sheet metal to be cut out in the area of the battery storage chamber, and the antenna area is reduced by that much, and the antenna characteristics deteriorate. There is.

In addition, since the battery storage chamber has an independent structure, there is a problem that the structure becomes complicated and the thickness of the case body becomes large.

Further, in the conventional example shown in FIG. 5, the battery lid has a hinge structure, but the hinge portion and the lock portion are structurally weak, so that they are easily broken, and especially the lock portion is easily opened by a slight shock. There's a problem.

[0008]

According to the present invention, there is provided a coin-type battery storage structure in which a battery cover is opened in a battery storage portion provided in a case body to store a coin-type battery, and the battery cover is closed. In the coin-type battery storage structure, the battery lid has an elongated hole penetrating a rotating shaft provided on the case main body at one end, and a lock part fitted to a concave portion provided on the case main body at the other end. Having the coin-type battery stored therein, supporting the ejecting force of the coin-type battery with the slot and the lock portion, and removing the coin-type battery along the slot when removing the coin-type battery. The lock is disengaged by sliding the lid, and the battery lid is opened with the elongated hole serving as a fulcrum.

[0009] The case body may be provided with a stopper capable of arbitrarily locking the slide of the battery lid.

[0010] The rotating shaft may be a metal rod for electrically connecting a front plate and a back plate which also function as an antenna of the case body.

Further, the lock portion of the battery lid may have a structure in which a tip thereof has a hook shape and a hook receiving portion is provided on the corresponding case body side.

Further, the long hole of the battery cover may be a gourd-shaped hole.

[0013]

Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing an embodiment of the present invention. This figure shows an example of a coin-type battery storage structure of an individual call receiver, in which a circuit board is stored in a case main body 1 and a battery storage section 1 is indicated by a dotted line at the same time.
11 are provided. The battery cover 2 is provided on the side surface of the case where the battery housing 111 is provided, and a stopper 3 for locking the sliding operation of the battery cover 2 is provided.

When the coin-type battery 4 is to be stored in the battery storage section 111 indicated by the dotted line, the battery cover 2 is slid to the right and opened in the state indicated by the dotted line, and the coin-type battery 4 is stored.
At this time, the stopper 3 is slid rightward before the battery cover 2 is unlocked and placed. Then, when the coin-type battery 4 is stored, the battery cover 2 is closed and slid to the left, and the pop-out force of the coin-type battery 4 is supported and held by the battery cover. Further, the stopper 3 is slid leftward to lock.

FIG. 2 is a sectional view taken along line AA of FIG. 1 (a).
FIG. 4 is a partial cross-sectional view of a state where a battery cover is closed, and FIG.

In FIG. 2A, the coin-type battery 4 accommodated in the battery accommodating portion 111 of the case body 1 is held around the walls 6 and 7 of the battery accommodating portion 111 and the battery lid 2. The metal column 9 passes through a long hole 22 provided in the battery cover 2. The tip 21 of the battery cover 2 is fitted into a recess 112 provided in the frame 11 to stop the rotation of the battery cover 2 at this position. Metal cylinder 9 whose position is fixed
On the other hand, the battery cover 2 can be slid rightward in the drawing within the range of the elongated hole. A finger grip portion 24 is provided on the surface of the battery cover 2 in order to improve the grip force of the finger when the finger is shifted laterally. Also, a nail hooking recess 27 is provided so that a nail or the like can be hooked when the battery cover 2 is opened.

The stopper 3 is used to stop the sliding of the battery cover 2 to the right and put it in a locked state.
1, the battery cover 2 is locked. The stopper 3 slides upward, and at this time, the arm 32
Slides over the convex portion on the side of the frame 11, and clicks on the sliding operation to ensure the operation. The finger grip 33 on which a finger is applied during the sliding operation is provided with fine irregularities for improving the grip force of the finger.

The positive electrode terminal 5 is made of a spring having an elastic force. The positive electrode terminal 5 comes into contact with the outer peripheral positive electrode of the battery 4 and, at the same time as the electrical contact, a force for discharging the battery 4 to the outside by the restoring force of the spring. Is given.

The metal cylinder 9 functions as a rotation axis of the battery cover 2, but forms the case main body 1 and also has upper and lower ends of a front housing sheet metal and a rear housing sheet metal (both not shown) which also have an antenna function. And electrically serves to electrically connect the front and back housing sheet metals.

Next, the operation will be described with reference to FIGS. 2 (a) and 2 (b). When it is desired to take out the battery 4 for battery replacement or the like from the state where the battery 4 of FIG. 2A is stored in the battery storage section 111, first, the stopper 3 is slid upward and locked at the distal end 31. The locked state of the battery cover 2 is released. Next, the battery cover 2 is slid to the right and left, and the fitting of the tip 21 is released to open the battery cover 2. The state at this time is as shown in FIG. That is, the battery lid 2 is rotated and opened about the metal column 22 as a fulcrum by the spring force of the positive electrode terminal 5, and the battery 2 is discharged to the outside of the battery housing portion 111 and can be easily taken out.

When the battery 4 is taken out and converted to a new battery 4, the battery cover 2 is closed and slid to the left to fit the tip 21 to the frame 11, and then the stopper 3 is even moved downward. The replacement work is completed by returning to the original locked state.

FIG. 3 shows another embodiment. FIG. 3 is an enlarged cross-sectional view of the vicinity of the battery cover 2 in FIG. 2 and shows a state where the battery cover 2 is slid rightward. The difference from FIG. 2 lies in the shape of the elongated hole 22 and the tip 21 of the battery lid 2, both of which are intended to prevent an accident in which the battery lid is easily opened such as when forgetting to fasten the stopper 3. . That is, the shape of the elongated hole 22 is a gourd shape, and the shape of the distal end portion 21 is provided with a hook so that the sliding operation of the battery lid is clickable so that the battery lid is not easily slid and opened. Note that one or both of them are provided.

[0023]

As described above, the coin-type battery housing structure of the present invention has a notch in the front and back housing sheet metal which also has an antenna function, as compared with the conventional example in which the battery housing portion is made independent. Therefore, there is an effect that deterioration of the antenna characteristics can be avoided without the necessity. Further, since the structure is simple, there is an effect that the case body is reduced in thickness, size, and cost.

Further, even when compared to the conventional hinge type structure, the sliding operation of the battery cover and the locking structure of the stopper can increase the strength of the hinge portion and at the same time prevent the battery cover from being easily opened. There is.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an appearance of an embodiment of the present invention.

FIG. 2 is a cross-sectional view taken along line AA in FIG. 1, showing (a) a state in which a battery cover is closed, and (b) a state in which the battery cover is opened.

FIG. 3 is a cross-sectional view showing another embodiment of the present invention.

FIG. 4 is an external perspective view showing a conventional example.

FIG. 5 is an external perspective view showing another conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Case main body 11 Frame 111 Battery storage part 112 recessed part 2 Battery lid 21 Tip part 22 Elongated hole 24 Finger grip part 27 Detent for nailing 3 Stopper 31 Tip part 32 Arm part 33 Finger grip part 4 Coin-type battery 5 Positive electrode terminal 6, 7 wall 9 metal column

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[Procedure amendment]

[Submission date] July 30, 1997

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0020

[Correction method] Change

[Correction contents]

Next, the operation will be described with reference to FIGS. 2 (a) and 2 (b). When it is desired to take out the battery 4 for battery replacement or the like from the state where the battery 4 of FIG. 2A is stored in the battery storage section 111, first, the stopper 3 is slid upward and locked at the distal end 31. The locked state of the battery cover 2 is released. Next, the battery cover 2 is slid to the right and left, and the fitting of the tip 21 is released to open the battery cover 2. The state at this time is as shown in FIG. That is, the battery lid 2 is pivotally opened with the metal column 9 as a fulcrum by the spring force of the positive electrode terminal 5, and the battery 2 is discharged out of the battery housing 111 and can be easily taken out.

[Procedure amendment 2]

[Document name to be amended] Drawing

[Correction target item name] Fig. 1

[Correction method] Change

[Correction contents]

FIG.

[Procedure amendment 3]

[Document name to be amended] Drawing

[Correction target item name] Figure 2

[Correction method] Change

[Correction contents]

FIG. 2

[Procedure amendment 4]

[Document name to be amended] Drawing

[Correction target item name] Figure 3

[Correction method] Change

[Correction contents]

FIG. 3

Claims (5)

[Claims] 1. In a coin-type battery storage structure for holding a coin-type battery by opening a battery lid in a battery storage portion provided in a case body and storing a coin-type battery and closing the battery lid, the battery lid is One end has a long hole penetrating through a rotating shaft provided in the case main body, and the other end has a lock portion that fits into a concave portion provided in the case main body. The ejecting force of the coin-type battery is supported by the slot and the lock, and when removing the coin-type battery, the lock is disengaged by sliding the battery lid along the slot to remove the lock. A coin-type battery storage structure characterized in that the battery cover is opened with the part as a fulcrum. 2. The coin type battery storage structure according to claim 1, wherein a stopper is provided on the case body so as to arbitrarily lock a slide of the battery cover. 3. The coin-type battery storage structure according to claim 1, wherein the rotating shaft is a metal rod for electrically connecting a front plate and a back plate also serving as an antenna function of the case body. . 4. The coin-type battery storage structure according to claim 1, wherein the lock portion of the battery cover has a hook-like tip and a lock receiving portion is provided on the corresponding case body. . 5. The battery cover according to claim 1, wherein the long hole portion of the battery cover is formed in a gourd-shaped hole shape.
The coin-shaped battery storage structure described.