JPH1069897A - Electronic apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simply make a check and measuring work for the electric system, etc., of a set, without taking out/in a battery from/into a battery housing part. SOLUTION: In this tape recorder 1, a battery housing part, for housing a battery in a rear cabinet 3, is formed, and a battery terminal spring and a coil spring, as battery terminal members abutting on the plus and minus terminals of the battery, are provided respectively on the battery housing part. In this case, a claw part, for locking the wire rod part 32 of the battery terminal spring, also a claw part, for locking the wire rod part 23 of the coil spring, are provided on the rear cabinet 3; and inspecting holes 14 and 11, for exposing the respective wire rod parts 32 and 23, are formed respectively on the rear cabinet 3 which faces to each claw parts, and respective contacting pins (contact-electrifying members) 52 and 53 are inserted from outside into the respective inspecting holes 14 and 11, respectively, thereby allowing power source feeding.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic device such as a tape recorder using a battery.

[0002]

2. Description of the Related Art For example, a primary battery or a secondary battery is used in an electronic device such as a tape recorder, and can be stored in a battery storage portion provided in a device main body. In this battery housing portion, battery terminal plates for the positive electrode and the negative electrode that are in contact with the positive (+) and negative (-) terminals of the battery are respectively mounted. And when using this electronic device,
The battery is stored in the battery storage section of the device body,
-Power is supplied from the battery by bringing the terminal into contact with each battery terminal plate.

[0003]

However, in the above-described electronic device using a battery, when checking the electric system or the like of the set after assembling the device, the necessary battery is put in and out of the battery storage section each time. Therefore, the number of steps of the check work increases as the battery is taken in and out, and the check work is complicated.

[0004] Therefore, the present invention provides an electronic apparatus that can perform various checks and measurements of a set without inserting batteries in a battery storage section.

[0005]

A battery accommodating portion for accommodating a battery integrally formed in a cabinet, a battery terminal member attached to the battery accommodating portion so as to abut a terminal of the battery, and an integral part of the cabinet. A locking portion for locking the battery terminal member formed in the battery terminal; and a relief hole formed when the locking portion is formed in the cabinet facing the locking portion. A contact current-carrying member that supplies power by being in contact with the battery terminal member is inserted through the escape hole and is in contact with the battery terminal member to be supplied with power.

Accordingly, for example, when checking and measuring the electric system of an electronic device, it is not necessary to insert and remove the battery in and out of the battery storage unit. This will reduce the number of work steps. In addition, during this operation, the battery terminal member does not come off from the locking portion and does not come off.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below in detail with reference to the drawings. In FIG. 1, reference numeral 1 denotes a tape recorder (electronic device) which can receive radio waves. An outer casing of the tape recorder 1 is made of a synthetic resin and has a box-shaped front cabinet 2 having an open rear side, and a front cabinet having an open front side and a front edge overlapping with a rear edge of the front cabinet 2. 2 and a box-shaped rear cabinet 3 made of a synthetic resin, one end of which covers the joints on the upper surfaces of the front and rear cabinets 2 and 3, a central portion protrudes in an arc plate shape, and the other end has the above-mentioned shape. The front and rear cabinets 2 and 3 comprise a gripping portion 4 extending to a joint on the lower surface side.

On the lower surface side of the rear cabinet 3, a battery housing portion 6 which is opened and closed by a lid 5 made of synthetic resin is integrally formed. The battery storage section 6 has a cylindrical box shape, and is formed in a size that can store a plurality of dry batteries 40. As shown in FIGS. 2 to 4, a compression coil spring (battery terminal member) 20 for the negative electrode (−) is attached to the upright wall 7 at one end of the battery housing 6, and the upright wall at the other end. A battery terminal spring (battery terminal member) 30 for the positive electrode (+) is attached to 8.

The upright wall 7 of the battery housing 6 is shown in FIG.
As shown in FIG. 3, an inner center is integrally formed in a concave shape, and a substantially U-shaped vertical slit groove 7b is formed in the center of the concave portion 7a.
Is formed. An inverted L-shaped claw (locking portion) 10 is integrally formed on the inner surface of the rear cabinet 3 at a position near the standing wall portion 7 in front of the side wall portion 9 inside the battery housing portion 6. I have. An escape hole is formed in the rear cabinet 3 facing the tip of the claw portion 10 when the claw portion 10 is molded with a plastic (molded by a push-die).
This escape hole is the inspection hole 11 for exposing the compression coil spring.
(Escape hole). The inspection hole 11 is formed in a rectangular shape having a predetermined size in accordance with safety standards. Further, a cylindrical boss 12 for fixing the compression coil spring 20 and the printed board 41 with screws 42 is integrally formed at a position adjacent to the claw portion 10 on the inner surface of the rear cabinet 3.

As shown in FIGS. 2 to 4 and 6, the compression coil spring 20 gradually increases in diameter from a small-diameter portion 21a on one end to a large-diameter portion 21b on the other end. It has a winding part 21 spirally wound in the right direction. Small diameter portion 21a of this winding portion 21
Is adapted to abut against the negative terminal 40b of the dry battery 40, and protrudes outward from the large diameter portion 21b toward the center (center) in the winding portion 21 at the end of the small diameter portion 21a. The extending core rod portion 22 is formed continuously and integrally. The length of the core rod part 22 is longer than the entire length of the winding part 21, and the tip 22 a of the core rod part 22 is a large diameter part 21 of the winding part 21.
It protrudes outside of b by a predetermined length. In addition, the winding portion 21
The wire portion 23 on the side of the large-diameter portion 21b is formed by bending a horizontal portion 23a, a tongue portion 23b, and a loop portion 23c. Extending. The coil spring 20 has small and large diameter portions 21a and 21b formed on both sides of the winding portion 21. However, like the coil spring 20 'of another embodiment shown in FIG.
The diameter on both sides of the winding portion 21 'may be the same.

The coil spring 20 is mounted so that the winding portion 21 is located inside the battery housing portion 6 and the wire portion 23 is located outside the battery housing portion 6. Installed. That is, the large-diameter portion 21 b of the winding portion 21 of the coil spring 20 is fitted into the recess 7 a of the upright wall portion 7 of the battery housing 6. At this time, the core rod portion 22 in the winding portion 21 is inserted into the slit groove 7b of the upright wall portion 7, but its tip 22a is slightly longer than the upright wall portion 7 in the spring free length of the winding portion 21. The coil spring 20 does not come off easily. The horizontal portion 23a of the wire portion 23 of the coil spring 20 is mounted on the upper surface of the upright wall portion 7 of the battery housing portion 6 and its loop portion 23c is mounted on the boss 12 protruding from the inner surface of the rear cabinet 3. On the other hand, the rear portion 23b of the wire portion 23 is locked by the claw portion 10 protruding from the inner surface of the rear cabinet 3. Thereby, the wire portion 23 of the coil spring 20 is exposed from the inspection hole 11 of the rear cabinet 3. Further, the coil spring 20
The printed circuit board 41 is placed on the loop portion 23c of the wire portion 23, and these are fixedly fastened to the boss 12 via screws 42. Thus, the coil spring 20 is connected to a wiring pattern (not shown) on the printed board 41.

The upright wall 8 of the battery housing 6 is integrally formed with the rear cabinet 3 so as to have a box shape having a partition wall 8a at the center. A triangular prism-shaped claw portion (locking portion) 13 is integrally formed on an outer surface of the upright wall portion 8 closer to the inside than the partition wall portion 8a. An escape hole is formed in the rear cabinet 3 facing the claw portion 13 when the claw portion 13 is molded with plastic (molded by a press-cutting die). This relief hole serves as the inspection hole 14 (release hole) for exposing the battery terminal spring. The inspection hole 14 is formed in a rectangular shape having a predetermined size according to safety standards. Further, a columnar boss 15 for fixing the battery terminal spring 30 and the printed board 41 with screws 43 is provided at a position on the inner surface of the rear cabinet 3 at a predetermined distance from the claw portion 13.
Is integrally protruded.

As shown in FIG. 5, the battery terminal spring 30 has a terminal contact portion 31 which is bent and formed so that the front surface is substantially U-shaped and the side surface is shaped like a letter. The central portion of the terminal contact portion 31 is fitted into the upright wall portion 8 with the partition wall 8a as a boundary, and the distal end portion is engaged with a concave portion 3a formed on the inner surface of the rear cabinet 3. , A positive terminal 40 of the dry battery 40 between the center and the tip.
a comes into contact. A horizontal portion 32a and a loop portion 32b are formed in the wire portion 32 extending from one end of the terminal contact portion 31 by bending. The horizontal part 32a of the wire part 32 of the battery terminal spring 30
Is engaged with a claw portion 13 integrally formed on the outer surface of the upright wall portion 8 of the battery housing portion 6 and has a ring portion 32b.
Is mounted on a boss 15 protruding from the inner surface of the rear cabinet 3. Thereby, the wire portion 32 of the battery terminal spring 30 is exposed from the inspection hole 14 of the rear cabinet 3. In addition, the loop 3 of the wire portion 32 of the battery terminal spring 30
The printed circuit board 41 is mounted on 2b, and these are fixedly fastened to the boss 15 via screws 43. Thereby, the battery terminal spring 30 is connected to a wiring pattern (not shown) of the printed circuit board 41.

In FIG. 1, reference numeral 50 denotes a check device. The check device 50 includes an L-shaped jig table 51,
A pair of contact pins (contact energizing members) 52 and 53 provided on the side portion 51a of the jig base 51 so as to be extendable and contractible for contacting the + and-battery terminal members,
The power supply unit 54 includes a power supply unit 54 connected to the power supply units 2 and 53 and a bearing 55 for each contact pin. The bottom 5 of this jig table 51
1b is a guide portion 5 for setting the tape recorder 1.
1c is provided. Further, the pair of contact pins 5
Reference numerals 2 and 53 are arranged at positions facing a pair of inspection holes 14 and 11 formed in the rear cabinet 3 of the tape recorder 1. In FIG. 1, reference numeral 16 denotes a group of operation buttons for playing, stopping, etc., and reference numeral 17 denotes an antenna.

According to the tape recorder 1 of the embodiment described above,
Since the coil spring 20 with the core rod portion 22 is used as a battery terminal member for the battery negative electrode of the battery housing portion 6, the battery housing molded integrally with the inner surface of the rear cabinet 3 in the assembly process of the tape recorder 1. Even when two or more coil springs 20 are collected when assembled on the upright wall portion 7 of the portion 6, the winding portions 21 of each coil spring 20 are
Never go deeper than 2. Therefore, the entanglement phenomenon between the winding portions 21 of the coil spring 20 does not occur. This eliminates the need for the step of separating the coil springs one by one and making them easy to take out as in the conventional assembling process, greatly reducing the overall assembling man-hours and facilitating the assembling work. Can be.

The coil spring 20 attached to the upright wall 7 of the battery housing 6 has a large-diameter portion 21b fitted into the recess 7a of the upright wall 7 and a wire portion 23 thereof.
Is mounted on the boss 12 protruding from the inner surface of the rear cabinet 3, and the middle portion 23 b of the wire portion 23 is locked by the claw 10 protruding from the inner surface of the rear cabinet 3. It is installed in the state where it was set. For this reason, when attaching the coil spring 20 to the upright wall 7 of the battery housing 6,
Without the coil spring 20 falling out of the upright wall 7,
The loop portion 23c of the wire portion 23 of the coil spring 20 and the printed board 41 can be easily fixed to the boss 12 with a single screw 42. At this time, the coil spring 2
The 0 wire portion 23 can be seen exposed from the inspection hole 11 of the rear cabinet 3.

Further, the battery terminal spring 30 for the battery positive electrode attached to the upright wall portion 8 of the battery housing portion 6 has its terminal contact portion 31 fitted into the recess 3a of the rear cabinet 3 and the upright wall portion 8. And the loop portion 32b of the wire portion 32
Is placed on the boss 15 projecting from the inner surface of the rear cabinet 3, and the wire portion 32 is locked by the claw portion 13 projecting from the upright wall portion 8. For this reason, when attaching the battery terminal spring 30 to the upright wall portion 8 of the battery housing portion 6, the battery terminal spring 30 does not come off from the upright wall portion 8, and the ring portion 32 b of the wire portion 32 of the battery terminal spring 30 does not come off. Printed circuit board 41
Can be easily fixed to the boss 15 with a single screw 43. At this time, the wire portion 32 of the battery terminal spring 30 can be exposed and viewed from the inspection hole 14 of the rear cabinet 3.

In addition, when checking the electric system and the like of the set of the assembled tape recorder 1, a check operation has been performed by inserting and removing a required number of dry batteries into and out of the battery storage unit each time. However, in the tape recorder 1, a pair of inspection holes 14.1 where a part of the battery terminal spring 30 and a part of the coil spring 20 are exposed in the rear cabinet 3.
1, the guide portion 51c of the jig table 51 of the check device 50 without inserting the dry battery 40 into the battery storage portion 6.
Of the battery terminal spring 30 exposed from the pair of inspection holes 14 and 11 by moving the tape recorder 1 along the
By making the pair of contact pins 52 and 53 of the check device 50 contact and energize with the wire member 23 of the coil spring 20 and the wire member 23 of the coil spring 20, a predetermined check and measurement of the electric system of the set of the tape recorder 1 can be performed with one touch. It can be done easily. As a result, it is possible to greatly reduce the number of man-hours at the time of the checking operation, and there is an advantage that no specially expensive jigs and tools are required for the checking operation. Furthermore, each of the inspection holes 14 and 11 is provided with each claw portion 1.
Since the relief holes formed when plastics 3 and 10 are molded are used, the inspection holes 14 and 11 can be formed at low cost, and are formed in a predetermined rectangular size conforming to safety standards. The contact pins 52 and 53 are easy to enter.

Although the tape recorder has been described as an electronic device according to the embodiment, the present invention may be applied to other electronic devices. Further, the coil spring is not limited to the compression coil spring for the battery terminal member, but can be applied to other applications, tension pulling, and compression coil springs.

[0020]

As described above, according to the present invention, the locking portion for locking the battery terminal member formed integrally with the cabinet, and the cabinet opposed to the locking portion,
A relief hole formed when the locking portion is formed, and a contact conducting member for supplying power by being brought into contact with a battery terminal, and the battery terminal member is inserted through the relief hole. Since the power is supplied in contact, for example, when checking and measuring the electrical system of electronic equipment,
As in the past, the work of removing and inserting batteries into and out of the battery storage section is no longer necessary, and the work steps are reduced accordingly,
The measuring operation can be performed very easily.

[Brief description of the drawings]

FIG. 1 is a perspective view of a tape recorder showing one embodiment of the present invention.

FIG. 2 is an exploded perspective view of a main part of the tape recorder.

FIG. 3 is a plan view of a main part of the tape recorder.

FIG. 4 is a sectional view taken along the line AA in FIG. 3;

FIG. 5 is an exploded perspective view of another main part of the tape recorder.

FIG. 6 is a perspective view of a coil spring used in the tape recorder.

FIG. 7 is a perspective view of a coil spring according to another embodiment.

FIG. 8 is a sectional view of a terminal side showing a check operation state of the tape recorder.

FIG. 9 is a sectional view on the + terminal side showing a check operation state of the tape recorder.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Tape recorder (electronic device), 3 ... Rear cabinet, 6 ... Battery storage part, 10, 13 ... Claw part (locking part), 1
Reference numerals 1, 14: inspection holes (release holes), 20: coil springs (battery terminal members), 30: battery terminal springs (battery terminal members), 4
0: battery, 40a, 40b: battery terminals, 52, 53: contact pins (contact conducting members).

Claims (1)

[Claims] 1. A battery accommodating portion for accommodating a battery integrally formed in a cabinet; a battery terminal member attached to the battery accommodating portion so as to be in contact with a terminal of the battery; A locking portion for locking the battery terminal member; and a relief hole formed when the locking portion is formed in the cabinet facing the locking portion, the cabinet being in contact with the battery terminal. An electronic device, wherein a contact energizing member for supplying power is inserted from the escape hole and abuts on the battery terminal member to supply power.