JPH0124842Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to a power supply device for audio equipment such as radios and cassette tape recorders.

Structure of conventional example and its problems FIG. 1 shows an exploded perspective view of a conventional power supply device, in which a battery case part 2 is provided integrally with a back cabinet 1, a negative spring terminal 3 and a positive plate terminal 4. are each fixed to the inner end. Reference numeral 7 designates a main body of the cabinet, which has a structure in which a printed wiring board 8, a DC input jack 9, and a deck mechanism 10 can be fixed.

However, in the conventional configuration as described above, the lead wires 5 of the battery case part 2 of the back cabinet 1 must be soldered to the printed wiring board 8 fixed to the cabinet body 7, so it is necessary to fix the cabinet body 7 and the back cabinet 1. In this case, processing of the lead wires 5 was difficult and workability was poor.

Purpose of the invention The present invention provides a power supply device that solves the problems of the conventional power supply, simplifies the cabinet structure, and reduces man-hours and material costs.

Structure of the invention The battery supply device of the invention includes a pair of U-shaped ribs on opposing end surfaces of a battery storage recess, and a box-shaped rib and an elastic locking piece on one end. a DC input jack inserted into the box-shaped rib of the battery case and fixed by the locking piece, a printed circuit board soldered to the DC input jack, and the battery case. A negative spring terminal is sandwiched between a pair of U-shaped ribs provided on one end surface of the battery case, and the terminal thereof is soldered to the printed circuit board, and a pair of spring terminals provided on the other end surface of the battery case. It is held by the positive side plate-shaped terminal fitted into the letter-shaped rib and the concave rib for lead processing provided on the bottom outer surface of the battery case, and one end is connected to the positive side plate-shaped terminal and the other end is connected to the positive side plate-shaped terminal. A lead wire is soldered to the printed circuit board, a tongue is provided on the bottom of the battery case and has a hole into which a shaft provided on the chassis is press-fitted, and a tongue is provided on the side that protrudes from the bottom of the battery case. and a resilient locking piece that is locked to the chassis end surface.

DESCRIPTION OF EMBODIMENTS FIG. 2 is a perspective view showing an embodiment of the present invention. 11 is a battery case, 12 is a negative spring terminal, and 13 is a positive plate terminal. The positive side plate-shaped terminal 13 has a tongue portion 13a for fixing, and a lead wire 18 is soldered thereto. 14 is a DC input jack, which is connected to a small printed circuit board 15 in advance.
is soldered to. FIG. 3 is a detailed view of the battery case viewed from each direction, and one side of the battery case 11 has a pair of U-shaped ribs 11a that sandwich the negative spring terminal 12, and a pair of U-shaped ribs 11a located close to the ribs 11a. It has a box-shaped rib 11c for fixing the DC input jack 14 and a resilient locking piece 11b for locking. The other side has a pair of U-shaped ribs 11d that fit with the tongue portion 13a of the positive plate terminal 13. A concave rib 11e for holding a lead wire is provided on the outer surface of the bottom. Further, a tongue portion 11g having a hole for press-fitting into the shaft 17 provided on the chassis 16 is provided on the bottom surface,
A locking piece 11f having elasticity for locking the chassis end face is provided on the side, and the tongue portion 11g and the locking piece 1
It is configured to be fixed to the chassis 7 by 1f.

As shown in FIG.
c, it is fixed by the locking piece 11b.
Next, the negative spring terminal 12 is inserted into the clamping rib a of the battery case 11, and its terminal is soldered to the printed circuit board 15 soldered to the DC input jack 14.

Next, the positive plate terminal 13 to which the lead wire 18 has already been soldered is press-fitted into the fitting rib 11d of the battery case 11, and the lead wire 18 is press-fitted into the rib 11e for lead wire processing provided on the bottom outer surface. The printed circuit board 15 is soldered to the printed circuit board 15. Next, the lead wires 19 and 20, which were previously soldered to the printed circuit board 15 of the DC input jack 14, are soldered to the main circuit board 21, thereby forming a predetermined power supply circuit.

Effects of the invention As described above, according to the invention, the DC input jack is fixed by the box-shaped rib and elastic locking piece provided near one end of the battery case, and is attached to one end of the battery case. Solder the terminal of the positive side spring terminal that has been removed to the printed circuit board attached to the above DC input jack by soldering, and connect the lead wire connected to the negative side plate terminal attached to the other end of the above battery case to the above printed circuit board. Since they are soldered, it is possible to integrate the battery case and the DC input jack, making it easier to wire the spring terminals and the plate-shaped terminals. In addition, the lead wires that connect the plate-shaped terminals and the printed circuit board are held by concave ribs for lead processing provided on the bottom outer surface of the battery case, so they do not get in the way when fixing the battery case to the chassis. The battery case is fixed to the chassis by press-fitting the shaft provided on the chassis into the hole in the tongue provided on the bottom of the battery case, and by engaging the elastic locking piece protruding from the side to the end surface of the chassis.
It can be fixed without using screws or the like, and its assembly work is easy and efficient.

[Brief explanation of drawings]

Figure 1 is an exploded perspective view of a conventional power supply device;
The figure is an exploded perspective view of a power supply device according to an embodiment of the present invention, and Figure 3 shows details of the battery case, where A is a left side view, B is a rear view, C is a top view, and D is a front view. is a bottom view, F is a right side view, and FIG. 4 shows an assembled state, A is a right side view, B is a top view, and C is a bottom view. 11... Battery case, 11a... Rib, 11b
...locking piece, 11c...rib, 11e...rib,
11f... Locking piece, 11g... Tongue piece, 12... Negative side spring terminal, 13... Positive side plate terminal,
13a...tongue, 14...DC input jack, 1
5... Printed board, 16... Chassis, 17...
Shaft, 18, 19, 20... Lead wire.

Claims (1)

[Scope of utility model registration request] 1 on each opposite end of the battery storage recess.
A battery case is provided with a pair of U-shaped ribs, and a box-shaped rib and an elastic locking piece are provided at one end. The DC input jack thus fixed, the printed circuit board soldered to the DC input jack, and a pair of U-shaped ribs provided on one end face of the battery case are sandwiched between the terminals of the printed circuit board. The negative spring terminal soldered to the board and the terminal 1 provided on the other end of the battery case.
It is held by a positive plate terminal fitted into a pair of U-shaped ribs and a concave rib for lead processing provided on the bottom outer surface of the battery case, and one end is connected to the positive plate terminal. A lead wire whose other end is soldered to the printed circuit board, a tongue portion provided on the bottom surface of the battery case and having a hole into which a shaft provided on the chassis is press-fitted, and a side protruding from the bottom surface of the battery case. A power supply device comprising: a resilient locking piece provided at the chassis end surface and locked to the chassis end surface.