JP3501739B2 - Battery holder - 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 holder,
In particular, it relates to a battery holder that holds a button battery for mounting on a board.

[0002]

2. Description of the Related Art Conventionally, a battery holder for holding a button type battery mounted on a printed circuit board of a portable telephone, pager, game machine and other portable information equipment has been known (for example, JP-A-2000-2000). 164188). FIG. 7 shows a perspective view of an example of this conventional battery holder. In the figure, a battery holder 21 for holding the button-type battery 1 has an opening (22 in FIG. 8) for inserting the button-type battery 1 on the upper surface, and faces the side surfaces of the button-type battery 1 facing each other. It has holding walls (housing) 23a and 23b for fixing.

Further, the housing 23a and the housing 23
In the b, fixed metal fittings 24a and 24b and a fixed metal fitting 24c, which are extended to an appropriate length so that the button-shaped battery 1 does not drop from the opening of the battery holder 21.
And 24d are provided respectively. Further, a positive electrode contact terminal 25 is provided on the housing 23a.

Next, the operation of inserting the button type battery 1 into the conventional battery holder 21 will be described with reference to FIG. In the figure, the same components as those in FIG. 7 are designated by the same reference numerals. In FIG. 8, the battery holder 21 is automatically mounted on the printed circuit board 30, and the positive electrode contact terminal 25 and the negative electrode contact terminal 26 are soldered to the printed circuit board 302. In this state, the button-shaped battery 1 is obliquely inserted from the opening 22 of the battery holder 21 and inserted from one side, and the other is pushed downward to be housed in the battery holder 21.

The contact method at this time is to bring the negative electrode on the bottom surface of the button-type battery 1 into contact with the terminal portion 26a having a shape protruding from the bottom surface of the battery holder 21, and to fix the side surface positive electrode and the upper surface positive electrode of the button-type battery 1 with a metal fitting. Contact with 24a and 24b.
The fixing fittings 24 a and 24 b are connected to the positive electrode contact terminal 25.

[0006]

However, in the above-mentioned conventional battery holder, when the button type battery 1 is mounted from the upper surface of the holder and pushed down, the lower part of the button type battery 1 and the upper part of the button type battery 1 are placed. Fixed metal fittings 24a for fixing
Since it collides with 24d, the fixed metal fittings 24a to 24d
There is a problem of transforming. Also, button type battery 1
Since the upper portion of the button-type battery 1 and the fixed metal fittings 24a to 24d collide with each other even when removing the fixed metal fitting 24,
It may deform or damage a to 24d.

Due to these problems, the above-mentioned conventional battery holder may have to be replaced with a new battery holder by simply attaching and detaching the button type battery once, and the length of the fixed metal fittings 24a to 24d may be long. Since the size is not so large, there is a problem that the catching portion with the button type battery is short and the button type battery 1 may drop off due to impact.

The present invention has been made in view of the above points,
An object is to provide a battery holder having a long life.

Another object of the present invention is to provide a battery holder which can prevent the button-shaped battery from falling off or having poor contact due to impact or the like.

[0010]

In order to achieve the above-mentioned object, the present invention is arranged along the outer peripheral side surface of the button type battery so as to contact the side surface of the button type battery to be held and regulate the horizontal movement. A plurality of first housings arranged on the holder body, and a plurality of first housings, which are provided in an upper part of all or a part of the first housings, contact the upper surface of the button-shaped battery and move upward. Provided between two predetermined first housings that are adjacent to each other and are arranged at an interval larger than the diameter of the button-shaped battery among the plurality of first housings that restrict the A stopper that restricts the horizontal movement of the button-type battery, a positive pole contact terminal that partially contacts the side of the button-type battery, and a tip
When it is placed at a specified height in the approximate center of the rudder body,
In addition, the height increases from the tip to the end on the opposite side of the tip.
Flexible spring-loaded end with a sloping beveled surface that lowers
It is a child, the inclined surface contacts a part of the button type battery, and the other end
Parts are closed and the minus pole contact terminal provided so as to protrude to the outside of the holder main body, the stopper is negative Gokuse'
The structure is formed near the other end of the contact terminal .

[0011] In the present invention, between two predetermined first housing, and My from the top of the stopper in a diagonal direction
Negative pole Negative pole along the longitudinal direction of the contact surface of the contact terminal
By inserting the button type battery against the spring force of the contact terminal , direct force is not applied to the first and second housings when the button type battery is inserted , and the minor type
Button type battery that does not damage the contact terminals
Can be inserted into the holder body, and the stopper can
It is possible to store and hold button type batteries by restricting movement . Also,
The length of the second housing above the button type battery can be made relatively long.

[0012]

[0013]

Further, in order to achieve the above-mentioned object, according to the present invention, on the holder main body along the outer peripheral side surface of the button type battery so as to contact the side surface of the button type battery to be held and regulate the horizontal movement. A plurality of first housings that are arranged in the upper part of the plurality of first housings, and all or a part of the plurality of first housings are provided above the first housing, and contact the upper surface of the button-type battery to restrict upward movement. A button-type battery provided between two predetermined first housings that are adjacent to each other and have a distance larger than the diameter of the button-type battery among the plurality of first housings. Of the land pattern to be in contact with the bottom of the button type battery on the printed circuit board to be mounted, the stopper that restricts the horizontal movement of the hand The bottom surface of the button-shaped battery accommodated therein is directly contacted with the land pattern through the above notch.

According to the present invention, the button type battery is inserted between the predetermined two first housings and diagonally from above the stopper so that the button type battery is inserted into the first and second housings. The button-shaped battery can be held so that no direct force is applied to. Further, the length of the second housing above the button type battery can be made relatively long. Further, according to the present invention, the bottom surface of the button-type battery directly contacts the land pattern on the printed circuit board through the notch, so that the minus pole contact terminal can be eliminated.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the drawings. 1 is a perspective view of an embodiment of a battery holder according to the present invention, FIG. 2 is a view showing an inserting direction of a button type battery into the battery holder according to the present invention, and FIG. 3 is an example of a battery holder according to the present invention. 4 is a top view of the embodiment, and FIG. 4 is a bottom view of the embodiment of the battery holder according to the present invention.

In each drawing, the battery holder 2 has an opening 3 on the side surface for inserting the button type battery 1, and also for fixing the periphery of the side surface of the button type battery 1 such as a lithium secondary battery. Retaining walls (housings) 4a, 4b, 4c, 4d, 4e and 4 along the periphery of the button type battery 1.
have f. The housings 4e and 4f are arranged at positions facing each other, and the housings 4a and 4b are provided on both sides of the housing 4e.
c and 4d are provided on both sides of the housing 4f.

Also, the housings 4a, 4b, 4c and 4
Fixed housings 8a, 8b, 8c, and 8d are provided at d so that the button-shaped battery 1 does not drop off from the upper surface of the battery holder 2 and has a suitable length extended toward the opening. Here, the fixed housing 8a is provided so as to be connected to the upper end of the housing 4a. Similarly, the fixed housings 8b, 8c and 8d are similar to the housings 4b, 4
It is provided so as to be connected to the upper ends of c and 4d.

A conductive negative pole contact terminal 5 is provided between the housings 4b and 4c. One end of the negative electrode contact terminal 5 is slightly projected from the outer side portion of the battery holder 2, most of the remaining negative electrode contact terminal 5 is inside the battery holder 2, and the tip is in the central portion of the battery holder 2. It is provided so as to be inclined at a certain height (that is, the portion inside the battery holder 2 of the negative electrode contact terminal 5 is inclined so that the height becomes higher toward the center of the battery holder 2. ing.).

The negative electrode contact terminal 5 has flexibility, and when the button type battery 1 is held, the negative electrode contact terminal 5 contacts the negative electrode on the bottom surface of the button type battery 1 and is pushed down to hold the button type battery 1. If not, the tip portion is automatically returned to a predetermined upper position by its own flexible spring force. Incidentally, the bottom surface of the portion projecting from the outer portion of the battery holder 2 of the negative pole contact terminal 5 is the same height as the bottom surface of the battery holder 2, the negative pole contact terminal when mounting the battery holder 2 to the printed circuit board The bottom surface of 5 also contacts the printed circuit board.

A side wall is provided as a stopper 9 on the battery holder 2 near one end of the negative electrode contact terminal 5.
The height of this stopper 9 is fixed housings 8b and 8c.
Button type battery 1 is <br/> set enough to pass between the stopper 9 and. The stopper 9 is made of a non-conductive material.

The distance between the housings 4b and 4c is set to a value that allows the button type battery 1 to pass through, while the distance between the housings 4a and 4d prevents the button type battery 1 from passing through. It is set narrower than the diameter of 1. As a result, it is possible to prevent the button type battery 1 from falling out between the housings 4a and 4d.

On the other hand, a part of the conductive positive electrode contact terminal 6 is provided between the housings 4a and 4d so as to contact the positive electrode on the side surface of the button type battery 1. The bottom surface of the positive electrode contact terminal 6 has the same height as the bottom surface of the battery holder 2, and when the battery holder 2 is placed on the printed board, the bottom surface of the positive electrode contact terminal 6 also contacts the printed board. Further, the housings 4f and 4e are provided with reinforcing terminals 7a and 7b.

Next, a method of inserting the button type battery 1 into the battery holder 2 will be described with reference to FIGS. 2 and 5.
FIG. 5 shows a side view of the button-shaped battery 1 inserted in the battery holder 2 of FIG. First, as shown in FIG. 5, the battery holder 2 is automatically mounted on the printed circuit board 12, and the negative electrode contact terminal 5 and the positive electrode contact terminal 6 and the reinforcing terminals 7a and 7b are soldered to predetermined positions on the printed circuit board 12. It

Next, as shown in FIG. 2, the button type battery 1
Between the housings 4b and 4c, and between the lower side of the fixed housings 8b and 8c and the bottom surface of the battery holder 2 at an angle from the top of the stopper 9. Therefore, in this embodiment, since the fixed housings 8a to 8d do not receive the pressing force from the button type battery 1 when the button type battery 1 is inserted, they are not deformed. Further, since the button battery 1 is moved and inserted along the longitudinal direction of the negative electrode contact terminal 5, there is no possibility of damaging the negative electrode contact terminal 5.

Thus, the button type battery 1 is replaced by the battery holder 2
As shown in FIG. 5, the negative electrode 11 on the bottom surface of the button-shaped battery 1 pushes the tip of the negative electrode contact terminal 5 that is obliquely projected upward from the bottom surface of the battery holder 2 downward. In this state, both are in contact with each other, and the positive electrode 10 on the side surface of the button-type battery 1 is in contact with the positive electrode contact terminal 6. As a result, the circuit on the printed board 12 can be supplied with power from the button type battery 1 held by the battery holder 2.

When the button type battery 1 is housed in the battery holder 2, the button type battery 1 is prevented from dropping upward by the fixed housings 8a to 8d, and the housings 4a to 4f and the stopper 9 are provided. It is prevented from falling off in the lateral direction and the fixed state is maintained. As a result, the fixed housing 8 above the button type battery 1 is provided.
Since the lengths of a to 8d can be made longer than in the conventional case, it is possible to prevent the button-shaped battery 1 from dropping off from the battery holder 2 even if there is a shock or the like, and prevent contact failure. Furthermore, in the battery holder 2 of the present embodiment, when the button type battery 1 is attached to or detached from the battery holder 2, the fixed housing 8
Since no direct force is applied to a to 8d, it can be attached and detached any number of times, and the service life can be extended.

Next, another embodiment of the present invention will be described. FIG. 6 is a side view showing an inserted state of the button type battery of another embodiment of the battery holder according to the present invention. In the figure, the same components as those in FIG. 5 are designated by the same reference numerals. In FIG. 6, the battery holder 15 has a notch portion 16 that is cut out so that the land pattern 18 on the printed circuit board 17 and the negative electrode 11 on the bottom surface of the button-shaped battery 1 are in contact with each other on the bottom surface and that both are not displaced. Is characterized in that is formed. The printed circuit board 1 to which the positive electrode of the battery should be connected
The land pattern 19 on 7 is in contact with the positive electrode contact terminal 6 of the battery holder 15.

As described above, the battery holder 1 of the present embodiment
In No. 5, since the negative electrode 11 directly contacts the land pattern 18 by forming the notch 16 corresponding to the shapes of the land pattern 18 and the negative electrode 11 on the bottom surface of the holder, the negative electrode contact terminal can be eliminated. . Further, the height dimension can be made smaller than that of the battery holder 2 shown in FIG.

The present invention is not limited to the above embodiment, and for example, the fixed housing for restricting the upward movement of the button type battery 1 includes the housings 4a-4f for restricting the horizontal movement. It may be provided in all.

[0031]

As described above, according to the present invention,
Since the button type battery can be held by preventing direct force from being applied to the first and second housings when the button type battery is inserted, the button type battery can be attached and detached many times. The holder can have a long life.

Further, according to the present invention, since the length of the second housing above the button type battery can be made relatively long, it is possible to prevent the button type battery from falling off or a contact failure due to an impact or the like. It is possible to secure a stable electrical connection.

Further, according to the present invention, since the bottom surface of the button-shaped battery directly contacts the land pattern on the printed circuit board through the cutout portion, the negative electrode contact terminal is not required, and thus the battery having the negative electrode contact terminal is provided. The structure can be simplified as compared with the holder.

[Brief description of drawings]

FIG. 1 is a perspective view of an embodiment of the present invention in which a button battery is housed.

FIG. 2 is an explanatory view of a button-type battery insertion method according to the embodiment of the present invention.

FIG. 3 is a top view of an embodiment of the present invention.

FIG. 4 is a bottom view of the embodiment of the present invention.

FIG. 5 is a side view of the embodiment of the present invention in a button type battery inserted state.

FIG. 6 is a side view of another embodiment of the present invention in a button type battery inserted state.

FIG. 7 is a perspective view of an example of a conventional battery holder accommodating a button battery.

FIG. 8 is an explanatory view of inserting a button type battery into a conventional battery holder.

[Explanation of symbols]

1 button type battery 2,15 Battery holder 3 openings 4a-4e housing 5 Negative pole contact terminal 6 Positive pole contact terminal 7a, 7b Reinforcing terminal 8a-8d fixed housing 9 stopper 10 Positive electrode on the side 11 Negative electrode on the bottom 12, 17 Printed circuit board 16 Notch 18, 19 land pattern

Claims (3)

(57) [Claims] 1. A plurality of first batteries arranged on the holder body along the outer peripheral side surface of the button type battery so as to contact the side surface of the button type battery to be held and to restrict the movement in the horizontal direction.
A second housing which is provided on all or a part of the first housings of the plurality of first housings and which is in contact with the upper surface of the button-shaped battery and restricts upward movement. Of the plurality of first housings, a horizontal direction of the button type battery, which is provided between two adjacent predetermined first housings that are set at a distance larger than the diameter of the button type battery. Stopper for restricting the movement of the button-shaped battery, a positive electrode contact terminal that partially comes into contact with the side surface of the button-type battery, and a tip portion at a predetermined height position approximately in the center of the holder body.
Placed from the tip to the opposite end of the tip
A spring having an inclined surface whose height decreases as it goes
It is a flexible terminal with force, and the inclined surface is the button shape.
A negative pole contact terminal provided so as to contact a part of the battery and the other end thereof projects to the outer part of the holder body, and the stopper is provided in addition to the negative pole contact terminal. edge
It is formed in the vicinity, between the predetermined two of the first housing, and the front in an oblique direction from the top of the stopper
Along the longitudinal direction of the inclined surface of the negative electrode contact terminal,
The button inserted against the spring force of the contact terminal
The horizontal movement of the battery is restricted by the stopper.
A battery holder characterized by being stored and held. 2. A plurality of first electrodes arranged on the holder main body along the outer peripheral side surface of the button type battery so as to contact the side surface of the button type battery to be held and restrict the movement in the horizontal direction.
A second housing which is provided on all or a part of the first housings of the plurality of first housings and which is in contact with the upper surface of the button-shaped battery and restricts upward movement. Of the plurality of first housings, a horizontal direction of the button type battery, which is provided between two adjacent predetermined first housings that are set at a distance larger than the diameter of the button type battery. A stopper that restricts the movement of the button-shaped battery, a positive electrode contact terminal that partially contacts the side surface of the button-shaped battery, and a land pattern that contacts the bottom surface of the button-shaped battery on the printed circuit board to be mounted. And a cutout portion obtained by cutting out a bottom surface of the button-shaped battery, which is inserted between the predetermined two first housings and obliquely from above the stopper. A battery holder, wherein the bottom surface of the button-shaped battery is brought into direct contact with the land pattern through the notch. 3. The two first housings, which are adjacent to each other and sandwich a position facing the position where the stopper is provided, of the plurality of first housings are smaller than the diameter of the button type battery. The battery holder according to claim 2 , wherein the battery holders are arranged at the following intervals.