JPH10144276A - Coin type battery housing structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To house/take out a battery single body in/out of the battery housing part of electronic equipment with no battery holder used. SOLUTION: A plus terminal 27 which is extended into the inside of the battery housing part 17 of electronic equipment, and abuts against the side face of a coin type battery 3, is provided for the box body 16 of the electronic equipment. And furthermore, a minus terminal abutting against the bottom face of the coin type battery 3, the coin type cell 3 housed in the housing part 17 is energized to the outer side by the plus terminal 27, and the coin type battery 3 is designed so as to be pressed to the inner wall surface of the box body 16 by the aforesaid minus terminal, so that the cell housing part 17 is thereby closed by a cell cover 20. This constitution thereby eliminates a need for a holder for surrounding the circumferential periphery of the coin type battery, allows the part packaging area of a wiring board 18 in the inside of the electronic equipment to be increased, allows a housing condition to be well maintained because the coin type battery is energized to the inner wall surface of the boxy body for the electronic equipment by the minus terminal so as to be fixed thereto, and also allows the coin type battery 3 to be easily housed in/taken out because the coin type battery 3 is pushed out by the restoring force of the plus terminal 27 when it is taken out, so that much time is not taken to replace the battery with a new one.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a storage structure for a coin-type battery used in a small electronic device such as a card-type electronic device.

[0002]

2. Description of the Related Art Some small electronic devices such as card type electronic devices use a coin type battery as a power supply.

A conventional coin-type battery storage structure will be described with reference to FIG.

In FIG. 3, reference numeral 1 denotes a housing of an electronic device, 2 denotes a battery holder, 3 denotes a coin type battery, and the coin type battery 3
Are housed in the housing 1 in a state of being integrated with the battery holder 2.

A battery housing 4 is formed on a side surface of the housing 1, and a concave portion 6 is formed on both side walls 5 inside the battery housing 4. The battery holder 2 is loaded in the battery storage section 4.

The battery holder 2 is provided with a knob 7 and a holder 8.
Consists of The knob 7 is formed so as to be exposed to the outside and form a part of the housing 1. The holder portion 8 has a ring shape capable of holding substantially the entire circumference of the coin-type battery 3, and a portion slightly displaced from an opposing portion of the knob portion 7 is slightly cut off. Engagement pieces 9 are formed on the outer sides of both side walls of the holder portion 8, and projections 10 that fit into the recesses 6 are formed on the engagement pieces 9.

[0007] The coin-type battery 3 is fitted into the holder portion 8 of the battery holder 2, and the coin-type battery 3 and the battery holder 2 are stored in the battery storage section 4 in an integrated state. When the battery holder 2 is loaded into the battery housing 4, the projection 10 fits into the recess 6 and the battery holder 2
Is stored.

[0008]

However, in the above-mentioned conventional coin-type battery storage structure, the battery holder 2 has the holder portion 8 for holding substantially the entire periphery of the coin-type battery 3, and the holder portion 8 has the same size. Only the space for mounting components on the wiring board 11 inside the electronic device is reduced. In addition, when replacing the battery, the battery holder 2 must be moved in and out of the battery housing 4, and the coin-type battery 3 must be moved in and out of the battery holder 2, which requires a large number of operations and takes time. There was a defect.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and enables storage and removal of a single battery without using a battery holder.

[0010]

According to the present invention, there is provided a housing of an electronic device, wherein a plus terminal extending into the battery accommodating portion of the electronic device and in contact with a side surface of the coin-type battery is provided, and a bottom surface of the coin-type battery is provided. The coin-type battery stored in the battery storage portion is urged to the outside by the plus terminal, and the coin-type battery is pressed against the inner wall surface of the housing by the minus terminal. The present invention relates to a coin-type battery storage structure characterized in that the battery storage section is closed by a battery cover, and there is no need for a holder surrounding the periphery of the coin-type battery, and component mounting of a wiring board inside the electronic device is not required. The area can be large,
The coin-type battery is urged and fixed to the inner wall surface of the housing of the electronic device by the minus terminal, so that the stored state is maintained. Storage and removal are easy, and it does not take much time to replace the battery.

[0011]

Embodiments of the present invention will be described below with reference to the drawings.

The housing of the electronic device 14 shown in FIGS. 1 and 2 comprises a box-shaped front panel 15 and a box-shaped rear panel 16. A battery housing 17 is formed in a space defined by the front panel 15 and the rear panel 16 being united,
A wiring board 18 is provided inside the electronic device 14, and the wiring board 18 is cut off so as not to interfere with the battery housing 17.

An opening 19 through which the coin-type battery 3 is inserted into and removed from the battery housing 17 is provided on a side surface of the rear panel 16.
A battery cover 20 forming a part of the rear panel is detachable from the opening 19. Further, the rear panel 16 is provided with upright side walls 21 and 22 which are in contact with the battery housing portion 17, and concave portions 23 and 24 are formed in the side surfaces of the side walls 21 and 22 which are in contact with the battery housing portion. A curved arm 25 is formed at the tip of the side wall 21, the arm 25 has an arc shape having substantially the same diameter as the coin-type battery 3, and the tip of the arm 25 is connected to the side wall 21 and the side wall 2.
2 and slightly extends to the side wall 22 side.
Is left with a notch 26 left between it and the tip. A plus terminal 27 is provided in the notch 26. The plus terminal 27 is formed of a metal plate having a band shape, is bent in a U-shape at a substantially central portion, and one piece 27a projects into the battery housing portion 17 substantially perpendicularly to the side wall 22 around the bent portion. A bent portion 27b is formed by bending the distal end into a U-shape, and the bent portion 27b projects toward the opening portion 19. The other piece 27c is bent at a predetermined distance from the U-shaped bent portion at a right angle, and further has a shape in which a tip portion is bent back to the opposite side to the battery housing portion 17.

The front panel 15 is provided with a minus terminal 28 at a position corresponding to the battery housing 17.
The minus terminal 28 is a metal plate material, and has a strip shape with both ends slightly bent, and a base end is fixed to the opening 19 side of the front panel 15, and the minus terminal 28 is connected to the base end. It is provided so that it may incline in the protruding direction from the battery housing portion 17 toward the front end.

The battery cover 20 has a knob portion 29 exposed to the outside and an engaging portion 3 inserted into the battery housing portion 17.
0. The engagement portion 30 is provided with the coin-type battery 3.
A concave portion is formed so as to contact with the engaging portion 30.
At both ends, engaging pieces 31 and 32 extend obliquely slightly obliquely outwardly.
Protrusions 33 and 34 are provided to be fitted with 3 and 24, respectively.

The coin type battery 3 is inserted into the battery housing 17.
Then, the engaging portion 30 of the battery cover 20 is inserted into the battery housing portion 17. The coin-type battery 3 is pushed by the battery cover 20, and the piece 27 a of the plus terminal 27 contacts the side surface of the coin-type battery 3 and is pushed out of the battery housing 17. The battery cover 2
When the battery cover 20 is completely inserted, the protrusions 33 and 34 are fitted with the recesses 23 and 24, and the coin-shaped The battery 3 is held between the arm 25 and the engaging portion 30 and is urged toward the rear panel 16 by the minus terminal 28. Thus, the coin-type battery 3 is fixed by the minus terminal 28 and the battery cover 20, and the stored state of the coin-type battery 3 is held in the battery storage 17.

When removing the battery, such as when replacing the battery, first hold the knob 29 of the battery cover 20, and
7, the battery cover 20 is pulled out. Positive terminal 2
7 is pushed out of the battery housing portion 17 when the coin-type battery 3 is stored, so that the coin-type battery 3 is pushed out by the restoring force of the plus terminal 27. Therefore, the battery can be easily stored and removed, and it is not necessary to mount the coin-type battery in the battery holder as in the conventional coin-type battery storage structure described above, and the coin-type battery alone can be directly inserted into the battery storage. In addition, the time required for battery replacement can be reduced, and the component mounting area of the wiring board inside the electronic device can be increased because the battery holder is not provided.

[0018]

As described above, according to the present invention, since the coin-type battery is directly stored in the battery storage section, the component mounting area of the wiring board inside the electronic device can be increased, and the coin-type battery has a negative terminal. By being urged and fixed to the inner wall surface of the housing of the electronic device, the storage state is maintained, and when removing the coin-type battery, it is pushed out by the restoring force of the plus terminal, so it is easy to store and remove the coin-type battery It has excellent effects such as not requiring much time for battery replacement.

[Brief description of the drawings]

FIG. 1 is a plan view showing an embodiment of the present invention.

FIG. 2 is a cross-sectional view showing the first embodiment.

FIG. 3 is a plan view showing a conventional example.

[Explanation of symbols]

 14 Electronic Equipment 15 Front Panel 16 Rear Panel 17 Battery Housing 18 Wiring Board 19 Opening 20 Battery Cover 21 Sidewall 22 Sidewall 23 Concave 24 Concave 25 Arm 26 Notch 27 Plus Terminal 28 Minus Terminal 29 Knob 30 Engagement 31 Engagement 31 Mating piece 32 engaging piece 33 convex part 34 convex part

Claims (1)

[Claims] 1. A housing of an electronic device, a plus terminal extending into the battery housing of the electronic device and in contact with a side surface of the coin-type battery, and a minus terminal in contact with a bottom surface of the coin-type battery. The coin-type battery accommodated in the battery accommodating portion is urged to the outside by the plus terminal and the coin-type battery is pressed against the inner wall surface of the housing by the minus terminal. A coin-type battery storage structure that is closed by a battery cover.