JP2596741Y2 - Battery terminal spring mounting device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for attaching a battery terminal spring to a battery housing in an electronic device using a battery such as a portable personal computer or a data storage device.

[0002]

2. Description of the Related Art In an electronic device using the above battery, 2
An electronic circuit board is fixed in one of the split cases, a battery storage section for storing a battery is provided outside the other case, and a terminal spring and an electronic circuit board fixed to the battery storage section are provided. There is an electrical connection method.

A conventional terminal spring mounting method is disclosed in
As shown in JP-A-41966, a terminal spring is inserted and fixed in a holder portion of a battery accommodating portion, and a terminal spring and an electronic circuit board are connected to each other by soldering with lead wires. As disclosed in Japanese Patent Application Laid-Open Publication No. H10-260, there is known a method in which a terminal portion of a terminal spring is soldered to an electronic circuit board in advance, and then the terminal spring is fixed to a battery housing portion.

[0004]

However, in Japanese Utility Model Laid-Open Publication No. 64-41966, it is necessary to perform soldering on an assembly line and wiring of lead wires, thereby reducing work efficiency and increasing the number of assembly steps. There is a problem that. In addition, when the case is disassembled, the case where the electronic circuit board is fixed and the case where the terminal spring is fixed and the case is still connected by the lead wire have a problem that the repair work is troublesome.

In Japanese Unexamined Utility Model Publication No. 1-115161, the wiring process of the lead wire is not required, but the electronic circuit board is fixed in one of the two cases, and the electronic circuit board is fixed to the outside of the other case. It cannot be applied to the method of providing a battery storage unit.

Further, any of the above methods has a problem that the terminal spring is easily detached when the battery is attached or detached, and it is necessary to take measures to prevent the terminal spring from being detached.

The present invention solves the above-mentioned problem, and securely fixes a terminal spring with a simple structure.
An object of the present invention is to provide a battery terminal spring mounting device capable of reducing the number of parts and the number of assembly steps and simplifying the operation.

[0008]

To achieve the above object, a battery terminal spring mounting device according to the present invention has two cases, an electronic circuit board fixed to one of the cases, and an electronic circuit board fixed to the electronic circuit board. A terminal spring, a battery housing formed in the other case, an opening for inserting a terminal spring formed in the wall of the battery housing, and a wall formed in the battery housing, wherein And a rib for locking a terminal spring protruding from the terminal spring. The opening may be closed by an electronic circuit board, or a U-shaped part may be formed in the middle of the terminal spring on a surface parallel to the electronic circuit board .

[0009]

According to the present invention, a terminal spring is fixed to an electronic circuit board by soldering, and after fixing the electronic circuit board to one case, the other case is fixed so as to cover the one case. At this time, the terminal spring is inserted into the battery housing from below the opening formed in the wall of the battery housing, and the terminal spring is fixed by the rib formed on the wall of the battery housing, and after the case is assembled, The opening for inserting the terminal spring is closed by the electronic circuit board and the one case.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. 1 to 5 show an embodiment of the battery terminal spring mounting device according to the present invention. FIG. 1A is a partial horizontal sectional view, and FIG.
B is a cross-sectional view taken along the line BB in FIG.
FIG. 2 is a cross-sectional view taken along the line CC of FIG. 1A in the direction of the arrow, FIG. 3 is a cross-sectional view taken along the line DD of FIG. 1A, and the perspective view of the terminal spring. FIG. 5 is an overall perspective view showing a partly broken portion of the electronic device.

In FIG. 5, an electronic device main body 1 according to the present invention includes a front case 2, a back case 3, a battery housing 4 formed in the back case 3, and a battery housing 4 attached to the back case 3. A positive terminal spring 6 and a negative terminal spring 7 are fixed to the electronic circuit board 9, and both terminal springs 6, 7 are inserted into one side of the battery housing 4. It is configured as follows. Although not shown, similar positive and negative terminal springs are directly fixed to the other side of the battery housing portion 4, and both are electrically connected.

In FIG. 2, a mounting boss 8 is formed integrally with the front case 2, and electronic circuit boards 9, 10 are fixed to the mounting boss 8 in two upper and lower stages.

As shown in FIG. 4, the electronic circuit board 9 includes
The positive terminal spring 6 and the negative terminal spring 7 are fixed. The plus side terminal spring 6 includes a small circular portion 6a in contact with the battery terminal, a large circular portion 6b formed continuously with the small circular portion 6a, and an electronic circuit connected to the large circular portion 6b.
A U-shaped portion 6c formed on a surface parallel to the substrate 9 and a mounting portion 6d formed continuously with the U-shaped portion 6c. It is inserted from below the hole and is welded by solder 11. The negative terminal spring 7 includes a helical portion 7a in contact with the battery terminal and an electronic circuit board connected to the helical portion 7a.
A U-shaped portion 7c formed on a surface parallel to the plate 9 ;
The mounting portion 7d is formed from a mounting portion 7d formed continuously with the V-shaped portion 7c. Similarly, the mounting portion 7d is inserted from below the through hole provided in the electronic circuit board 9, and is welded by the solder 11.

As shown in FIGS. 1, 2 and 3, a large circular portion 6b of a positive terminal spring 6 and a large circular portion 6b of a negative terminal spring 7 are provided on a wall 4a of a battery housing 4 formed in the back case 3. Opening 4 that allows spiral part 7a to be inserted from below
b is formed, and the wall 4a of the battery housing 4 is
A rib 4c projecting into the opening 4b is integrally formed, and the rib 4c guides and guides the small circular portion 6a, the large circular portion 6b of the positive terminal spring 6, and the spiral portion 7a of the negative terminal spring 7. It can be locked. The opening 4b for inserting a terminal spring is configured to be closed by the electronic circuit board 10 and the front case 2 when the rear case 3 and the front case 2 are assembled.

The operation of the present invention having the above configuration will be described. The plus side terminal spring 6 and the minus side terminal spring 7 are fixed to the electronic circuit board 9 by soldering 11 as shown in FIG.
Then, the rear case 3 is fixed so as to cover the front case 2. At this time, the plus side terminal spring 6 and the minus side terminal spring 7 are inserted into the battery housing 4 from below the opening 4b formed in the wall 4a of the battery housing 4, and the rib 4c is The large circular portion 6b of the terminal spring 6 and the spiral portion 7a of the negative terminal spring 7 are fixed. After the rear case 3 and the front case 2 are assembled, the opening 4b for terminal spring insertion is closed by the electronic circuit board 10 and the front case 2.

The present invention is not limited to the above embodiment, and various modifications can be made by those having ordinary knowledge in the technical field to which the present invention belongs. For example, in the above embodiment, the electronic circuit board is fixed to the front case, and the battery housing is provided in the rear case.However, the electronic circuit board is fixed to the back case, and the battery housing is provided in the front case. Good.

[0017]

As is apparent from the above description, according to the present invention, one of the cables in which the terminal spring is fixed to the electronic circuit board is provided.
The terminal spring can be fixed to the battery compartment simply by assembling the other case with the battery compartment in the final assembly process, which not only eliminates the soldering work on the assembly line, but also reduces the lead it is possible to simplify the reduction and work in the number of parts of the line, etc., and, when the battery desorption
Ru it is possible to prevent the retaining of the terminal spring.

Further, the terminal spring is provided on a surface parallel to the electronic circuit board.
Since the U-shaped portion is formed, the elasticity is provided between the electronic circuit board soldering portion of the terminal spring and the battery housing portion, the force acting on the terminal spring when the battery is attached and detached, and the displacement during the case assembly. Accordingly, the force acting on the terminal spring is not directly applied to the soldered portion of the electronic circuit board of the terminal spring, and it is possible to prevent a fatal defect such as breakage or disconnection of the soldered portion. Also, the terminal spring mounting height between the electronic circuit board and the case
Can be absorbed.

Further, since the opening for inserting the terminal spring is closed by the electronic circuit board and the front case when the rear case and the front case are assembled, the terminal spring is prevented from being deformed or moved when the battery is attached or detached. The terminal spring can be securely fixed with a simple structure.

Further, when the case is disassembled, the front case to which the terminal spring is fixed and the back case can be separated, so that the repair work can be easily performed without connecting the both by a lead wire as in the conventional case. become.

[Brief description of the drawings]

1 shows an embodiment of the battery terminal spring mounting device of the present invention, FIG. 1A is a partial horizontal sectional view, and FIG. 1B is BB of FIG. 1A.
Sectional view as seen in the direction of the arrow along the line

FIG. 2 is a cross-sectional view taken along the line CC in FIG.

FIG. 3 is a cross-sectional view taken along a line DD in FIG.

FIG. 4 is a perspective view of the terminal spring according to the present invention.

FIG. 5 is an overall perspective view showing a partially broken portion of the electronic device according to the present invention.

[Explanation of symbols]

2, 3, case, 4 battery storage section, 4a wall, 4b opening, 4c rib 6, 7, terminal spring, 6c, 7c U-shaped section, 9, 10
… Electronic circuit board

Claims (3)

(57) [Scope of request for utility model registration] An electronic circuit board fixed to one of the cases; a terminal spring fixed to the electronic circuit board; a battery housing formed in the other case; and a battery housing formed in the other case. A terminal spring insertion opening formed in a wall of the battery housing, and a terminal spring locking rib formed in the wall of the battery housing portion and protruding into the opening. apparatus. 2. The battery terminal spring mounting device according to claim 1, wherein said opening is closed by an electronic circuit board. 3. An electronic circuit board is provided between the terminal spring and an intermediate portion thereof.
The battery terminal spring mounting device according to claim 1 or 2 , wherein a U-shaped portion is formed on a plane where the battery terminal is formed.