JP3244577B2 - Battery holding mechanism - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optimum battery holding mechanism applied to a portable radio communication device and the like, and more particularly to a battery holding mechanism having an improved mechanism for locking a loaded battery and a terminal holder mechanism for a main body case. It concerns the mechanism.

[0002]

2. Description of the Related Art A battery holding mechanism of a conventional portable wireless communication device will be described with reference to FIG. 3. B indicates the whole battery, 21 is a battery case, and 22 is formed on the back surface 21a side of the battery case 21. Fixed type engaging claw,
Reference numeral 23 denotes a power output terminal also disposed on the rear surface 21a side, reference numeral 24 denotes a main body case, reference numeral 27 denotes a circuit housing portion of the radio,
Reference numeral 6 denotes a plate-shaped holder fixed to the circuit housing portion 27 with screws 30. A power input terminal 28 corresponding to the power output terminal 23 is disposed on the front side of the holder 26, and a lower portion is provided at a lower portion. A movable lock claw 25 that engages with the fixed type engagement claw 22 is movably supported by a coil spring 29, and the lock is released by sliding a release lever 25a protruding from a window 24a of the main body case 24. Has become.

[0003]

However, in the conventional battery holding mechanism, the fixed engaging claw 22 is provided on the battery case 21 side, and the movable lock claw 25 and the coil spring 29 are provided on the main body case 24 side. In addition to the need for the fixing screw 30 of the holder 26, the number of parts is increased, the assembling work is time-consuming, and the coil spring 29 is scattered during assembling and disassembling. There is a practical problem that it is easily lost.

Although the portable radio communication device is originally miniaturized, a power supply terminal or a battery B is provided between the circuit housing portion 27 and the battery housing portion 20 in order to further reduce the size.
However, it is difficult to reduce the total length of the wireless device due to the arrangement of the lock mechanism. Further, since the spring force of the power input terminal 28 acts in the direction of pushing the battery B, there is a problem that a gap is easily generated at the joint between the main body case 24 and the battery case 21.

An object of the present invention is to provide a battery holding mechanism which can reduce the number of parts as much as possible, can be easily assembled, can be implemented at low cost, and can be reduced in size. Is to do.

[0006]

Means for Solving the Problems In order to achieve the above object, in the battery holding mechanism of the present invention, unlike the conventional one, a power output terminal is provided on the back side of the battery case and the battery is provided on the back side. A movable lock claw which is formed integrally with the case and is movable by a spring action is provided, and a fixed type engagement claw which engages with the movable lock claw is formed on the inner surface side of the main body case, and a power supply input held by the holder is provided. Arrange the terminals and the holder constitutes the main body case
Between the rear case and the front case
The cross section is formed in a substantially “L” shape, and the power supply
This is where input terminals are arranged .

[0007] In the battery holding mechanism of another invention,
Is equipped with a case battery for a portable wireless communication device, etc.
Power supply in the battery holding mechanism
Output terminals are provided on the back side of the battery case and
If it is molded integrally with the battery case on the back side
A movable lock claw that is movable by the
Fixed engagement with the movable lock pawl
Power input end that forms a nail and is held by a holder
The child is placed, and the cross section of the member separate from the main body case is approximately "L" shaped
The holder on the wall of the wireless device.
Hook for attachment and back side of battery abut
And a spring to prevent the rattling of the battery.
Have been.

[0008]

The main body case is usually constructed by fitting a front case to a rear case in the form of a lid, and when a battery is loaded through the lower opening of the main body case, the movable lock claws of the battery case are fixed to the inner surface of the rear case. When the movable lock claw gets over the fixed engagement claw by a spring action and comes into contact with the fixed engagement claw provided on the side, the claws are engaged and the battery is locked. At this time, the power output terminal of the battery is pressed into contact with the power input terminal held by the holder to be electrically connected, and the end of the battery is pressed against the spring portion provided on the holder to prevent rattling. The play required for fitting is absorbed.

As described above, since the power output terminal of the battery is disposed on the back side of the battery case and the power input terminal is disposed on the inner side of the main body case,
Unlike the conventional one, the pressure contact spring force between the terminals does not act in the direction of pushing the battery. In addition, the holder is fixed to the frame for circuit storage by hooks without using screws etc. The support spring provided at one end (upper end) of the holder is always speaker when the rear case and front case are combined. Part of is pressed down and stabilized.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which a battery holding mechanism according to the present invention is applied to a portable wireless communication device will be described with reference to FIGS. FIG. 1 is an exploded perspective view, in which B indicates the entire battery, 1 indicates a battery case made of resin, and a power output terminal 3 is provided on the back surface 1 b side of the battery case 1. Further, two resilient movable lock claws 2 integrally formed with the battery case 1 are provided on the back surface 1b side,
By pressing a lock release knob 13 formed integrally with the movable lock claw 2, the movable lock claw 2 can be moved by a spring action.

The main body case 4 comprises a rear case 4A in which a main body circuit and the like are housed and a front case 4B fitted to the rear case 4A. The movable lock claw 2 is provided at an open end of the rear case 4A. A notch window 4a for exposing is formed, and a fixed engagement claw 5 that engages with the movable lock claw 2 is formed on the inner surface side so as to sandwich the notch window 4a.

A resin holder 6 is disposed between the circuit housing frame 7 and the battery housing 20. The holder has a substantially L-shaped cross section, and a power input terminal 8 is arranged on a plane portion 6a thereof. A hook portion 11 for attaching the holder 6 to the frame 7 is integrally formed on the back side of the wall portion of the holder 6, and the hook portion 11 is fitted through a fitting hole 7a provided in the frame 7 by fitting. Attached to the device body.
On the front side of the holder 6, a weak leaf spring-like spring portion 9 for contacting the back side of the battery B to prevent rattling of the battery B is integrally formed. Further, the upper end portion is disposed in the main body case. A support spring 10 for pressing and fixing the speaker 12 to be formed is integrally formed. In the embodiment, the battery is used as a battery holding mechanism, but it is also possible to connect peripheral devices by increasing the number of terminals.

When the battery B is mounted, the main body case 4
When the battery B is loaded from the lower opening, the movable lock claw 2 of the battery case 1 is engaged with the fixed engagement claw 5 of the main body case 4, and the battery B is locked. At the same time as the battery B is loaded in this way, the power output terminal 3 is pressed against the power input terminal 8 to be electrically connected, and the front end (rear side) of the battery B is pressed against the spring portion 9. The play required for fitting is absorbed. Further, with the support spring 10 at the upper end of the holder 6, when the rear case 4A and the front case 4B are fitted to each other, a part of the speaker 12 can always be pressed down and stabilized.

[0014]

According to the battery holding mechanism of the present invention, the structure is simpler than that of the conventional battery holding mechanism, screws and coil springs are not required, the number of parts is reduced, and assembly is easy. Therefore, the number of steps can be reduced, and productivity is improved, which is economical. In addition, since the battery lock mechanism and the power input terminal arranged on the main body case side are arranged on the inner surface side of the main body case, the gap between the circuit storage section and the battery storage section can be narrowed, and the The size can be reduced.
The power output terminal of the battery is of a type that presses while sliding against the power input terminal arranged on the inner surface side of the main body case. Since the pressure spring force does not act in the direction of pushing out the battery, a large gap does not occur at the joint between the main body case and the battery. Furthermore,
In the past, adhesive was used to attach the speaker, but it was pressed and fixed by a support spring that was integrally molded with the holder, making it unnecessary to use the adhesive and reducing the time required to apply the adhesive and wait for the adhesive to harden. Loss and the like are eliminated, and there are effects such as economy and improvement in maintainability.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing an embodiment of a battery holding mechanism according to the present invention.

FIG. 2 is a sectional view showing a loaded state of a battery.

FIG. 3 is an exploded perspective view of a main part of a battery holding mechanism in a conventional portable wireless communication device.

[Explanation of symbols]

 B Battery 1 Battery case 1b Back surface of battery case 2 Movable lock claw 3 Power output terminal 4 Main body case 4A Rear case 4B Front case 5 Fixed type engaging claw 6 Holder 6a Flat part 7 Frame 8 Power input terminal 9 Prevention spring part 10 Support spring 11 Hook part 12 Speaker

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H01M 2/10

Claims (3)

(57) [Claims] 1. A body case (4) for a portable wireless communication device or the like.
In a battery holding mechanism for loading and holding a battery (B) in a battery case, a power output terminal (3) is provided on the back side (1b) of the battery case (1), and the battery case (1) is provided on the back side. A movable locking claw (2) integrally formed with the movable locking claw is provided, and a fixed type engaging claw (5) engaging with the movable locking claw is formed on the inner surface side of the main body case (4). Holder (6)
The retained power input terminals (8) in place, the holder
(6) is a rear case (4) constituting the main body case (4).
A) and the front case (4B)
Power is supplied to the flat part (6a) with a substantially "L" cross section.
A battery holding mechanism, wherein a force terminal (8) is arranged . 2. A case (4) for a portable radio communication device or the like.
Battery to which battery (B) is loaded and held
-In the holding mechanism, connect the power output terminal (3) to the battery
-Provided on the back (1b) side of the case (1) and the back
If it is integrally molded with the battery case (1) on the side
A movable lock claw (2) that is movable by the
The inner surface of the body case (4) is engaged with the movable lock claw.
Forming a fixed type engaging claw (5) and a holder (6)
The power input terminal (8) held in the
(4), a holder that is substantially L-shaped in cross section.
(6) Attach the holder to the radio unit side on the wall
Hook (11) for contact with the back side of the battery
And the spring part (9) to prevent rattling of the battery
A battery holding mechanism provided. 3. A speaker (1) is provided on the wall of the holder (6).
2) a support spring (10) is provided for pressing and fixing
3. The battery according to claim 1, wherein
Lee holding mechanism.