JP2598596Y2 - Battery terminal board - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery terminal plate used for connecting a battery pack in, for example, audio equipment and video equipment.

[0002]

2. Description of the Related Art FIGS. 9 to 11 show the structure of a conventional battery terminal plate. One of the front and back surfaces of the battery terminal plate has a battery mounting surface 1.
a and an insulating housing 1 whose other surface is a printed circuit board mounting surface 1b.

On one side of the insulating housing 1, one positive coil spring receiving groove 2 opened in the printed circuit board mounting surface 1b and two positive battery contact terminal through holes 3 are provided. I have. The insulating housing 1
On the other side, there are provided one negative coil spring accommodating groove 4 and two negative electrode battery contact terminal through holes 5 opened in the printed circuit board mounting surface 1b.

The groove 2 for accommodating the coil spring for the positive electrode has
The positive electrode coil springs 6 are accommodated in an aligned manner. The negative electrode coil spring groove 4 accommodates two negative electrode coil springs 7 in an aligned manner.

FIG. 1 shows one end of the positive coil spring 6.
As shown in Fig. 1, one end of the winding is projected in the coil radial direction.
And a positive electrode battery contact terminal 8 formed by
At the other end, a positive electrode terminal 9 is provided. Similarly, one end of the negative coil spring 7 is connected to one end of the winding.
The battery contact terminal 10 for the negative electrode is formed by protruding in the coil radial direction, and the terminal 11 for the negative electrode is provided at the other end.

The battery contact terminal 8 for the positive electrode is connected to the battery mounting surface 1 through the through hole 3 for the battery contact terminal for the positive electrode.
a.

The negative battery contact terminal 10 protrudes from the negative battery contact terminal through hole 5 to the battery mounting surface 1a.

Terminal 9 for positive electrode and terminal 1 for negative electrode
Reference numeral 1 protrudes outward from the printed circuit board mounting surface 1b.

Each of the coil springs 6 and 7 is provided with a corresponding one of the grooves 2 and 4.
The hooks 12a and 13a are inserted into the windows 14 and 15 and are locked by the windows 14 and 15, and are prevented from coming off by the spring fixing devices 12 and 13.

Reference numeral 16 denotes a power supply plug insertion hole.

[0011]

However, in such a battery terminal plate, the printed circuit board mounting surface 1b is not provided.
Since the terminal 9 for a positive electrode and the terminal 11 for a negative electrode in the shape of a round pin project from the substrate, dip soldering can be performed on a printed circuit board, but there is a problem that surface mounting cannot be performed.

In this case, since the coil springs 6 and 7 have the battery contact terminals 8 and 10 and the terminals 9 and 11 at both ends, the structure becomes complicated and the cost increases.

Furthermore, a spring fixture 12 molded to prevent the coil springs 6 and 7 from coming off,
13 is required as a separate part, and there is a problem that the cost is increased.

An object of the present invention is to provide a battery terminal plate having a simple structure that can be used for both dip soldering and surface mounting.

[0015]

The features of the battery terminal plate of the present invention for achieving the above object are as follows .
One side is a battery mounting surface, comprising an insulating housing and the other surface is a printed circuit board mounting surface, said in the insulating housing is incorporated with the positive electrode coil spring and the negative electrode coil spring, said battery mounting face One end of the winding of the coil spring for the positive electrode
A positive battery contact terminal formed by projecting in the coil radial direction and one end of a winding of the negative coil spring
In the battery terminal plate in which the negative battery contact terminal formed by projecting in the coil radial direction is protruded at a predetermined interval, the battery terminal plate faces in the coil axial direction of the positive coil spring and the negative coil spring. center
A positive terminal flat terminal conductor and a negative terminal flat terminal conductor , which are inserted into the portions and make electrical connection by contacting the inner periphery of each coil spring and supporting each of these coil springs in the insulating housing, respectively.
The provided, each end of the positive electrode for a flat terminal conductors the negative electrode flat terminal conductors is to be arranged to face the printed circuit board mounting surface.

[0016]

When a flat terminal conductor is used separately from a coil spring, it is possible to cope with both dip soldering and surface mounting by changing the direction of the flat terminal conductor.

Since the flat terminal conductor also serves as a means for fixing the coil spring, the structure can be simplified.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings.

FIGS. 1 to 5 show an embodiment in which the present invention is applied to a surface-mount type battery terminal plate.

In the battery terminal plate of the present embodiment, the positive coil spring receiving groove 2 and the negative coil spring receiving groove 4 are separated by partition walls 17 and 18 in the middle in the longitudinal direction. The positive coil spring 6 and the negative coil spring 7 accommodated in the two divided coil spring accommodating grooves 2 and 4 are different from the conventional one shown in FIG. The terminal 11 is omitted from the structure.

Instead, a flat terminal conductor 19 for the positive electrode and a flat terminal conductor 20 for the negative electrode are provided in this embodiment. These terminal conductors 19 and 20 are provided with surface mounting terminal portions 19a and 20a by bending the base ends thereof at right angles in the thickness direction and then bending the end portions again at right angles in the thickness direction.

The flat terminal conductor 19 for the positive electrode and the flat terminal conductor 20 for the negative electrode are inserted into corresponding portions of the coil springs 6 for the positive electrode and the coil spring 7 for the negative electrode, respectively. And are electrically connected. At this time, the flat terminal conductors 19 and 20 are press-fitted into the holes of the insulating housing 1 including the partition walls 17 and 18, whereby the coil springs 6 and 7 are supported by the insulating housing 1. Each of the surface mounting terminal portions 19a and 20a is arranged such that one surface thereof is aligned with the surface of the printed circuit board mounting surface 1b with the same height.

Such a battery terminal board is mounted on a printed circuit board by surface mounting.

On the other hand, FIGS. 6 and 7 show an embodiment in which the present invention is applied to a battery terminal plate of a dip soldering type.

In this embodiment, the flat terminal conductor 19 for the positive electrode and the flat terminal conductor 20 for the negative electrode are provided with deep soldering terminal portions 19b, 20b by bending the base ends thereof at right angles in the thickness direction. ing.

Such flat terminal conductors 19, 20
Are inserted into the corresponding coil springs 6 and 7 for electrical connection.
7 is fixed to the insulating housing 1 as in the first embodiment. Dip soldering terminal 19
b, 20b project at right angles to the printed circuit board mounting surface 1b.

Such a battery terminal plate is attached to the surface of a printed circuit board by dip soldering.

[0028]

[Effect of the Invention] As described above, the battery terminal plate according to the present invention uses a flat terminal conductor separately from the coil spring. Therefore, by changing the direction of the flat terminal conductor, the battery terminal plate can be mounted on the surface even by dip soldering. But it can be done.

Since the flat terminal conductor is in contact with the inner periphery of the coil spring, electrical connection can be made without soldering.

Further, since the flat terminal conductor also serves as a support shaft for the coil spring with respect to the insulating housing, the structure can be simplified and the cost can be reduced.

Further, by making the terminal conductor flat, the reliability of soldering can be improved as compared with a coil spring wire.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a first embodiment of a battery terminal plate according to the present invention.

FIG. 2 is a partially cutaway side view of the battery terminal plate of the first embodiment.

FIG. 3 is a plan view of the same.

FIG. 4 is a bottom view of the same.

FIG. 5 is a perspective view of a flat terminal conductor used in the first embodiment.

FIG. 6 is a cross-sectional view showing a second embodiment of the battery terminal plate according to the present invention.

FIG. 7 is a perspective view of a flat terminal conductor used in the second embodiment.

FIG. 8 is a perspective view of a conventional battery terminal plate.

FIG. 9 is a plan view of one side of a conventional battery terminal board viewed from a printed circuit board mounting surface.

FIG. 10 is a longitudinal sectional view of a conventional battery terminal plate.

FIG. 11 is a perspective view of a conventional coil spring.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Insulating housing 1a Battery mounting surface 1b Printed circuit board mounting surface 2 Positive coil spring receiving groove 3 Positive battery contactor through hole 4 Negative coil spring receiving groove 5 Negative battery contact through hole 6 Positive coil spring 7 Negative electrode Coil spring 8 Positive battery contact terminal 10 Negative battery contact terminal 17, 18 Partition wall 19 Positive terminal conductor 19a, 20a Surface mounting terminal portion 19b, 20b Dip soldering terminal portion 20 Negative terminal conductor

Claims (1)

(57) [Scope of request for utility model registration] An insulating housing having one of a front surface and a rear surface serving as a battery mounting surface and the other surface serving as a printed circuit board mounting surface, wherein the insulating housing has a positive coil spring and a negative coil spring. And one end of the winding of the positive coil spring is projected in the coil radial direction on the battery mounting surface.
One end of the battery contact terminal for the positive electrode and the one end of the winding of the coil spring for the negative electrode are formed in the coil radial direction.
In the battery terminal plate in which the negative battery contact terminal formed by projecting at a predetermined interval is inserted into the center portion of the positive coil coil spring and the negative coil coil spring toward the coil axis direction,
Performs each of the electrical connection in contact with the inner periphery of the coil spring, and a positive electrode flat terminal conductor and negative electrode flat terminal conductors for supporting respectively the respective coil springs in the insulating housing, the positive electrode flat terminal A battery terminal plate, wherein each end of the conductor and the flat terminal conductor for a negative electrode is arranged so as to face the printed circuit board mounting surface.