JP2000149897A - Battery holder and electronic apparatus with it - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily remove a battery, by providing an opening part to store the battery, a battery holder body having a notch formed to expose a part of the peripheral side surface of the battery in the peripheral rim part of the opening part, and a spacer separating a board from the stored battery and having enough thickness to expose a part of the peripheral side surface of the battery from the notch between a board and the opening part. SOLUTION: A negative electrode connecting terminal 21 and a positive electrode connecting terminal 22 are provided at a positive corresponding to an opening part 31 of the surface on the case (upper part) 51 side of a board 2. The positive electrode connecting terminal 22 abuts on a positive electrode part 42 with the terminal inserted in the fitting groove 34 of the opening part 31. In addition, a spacer 1 is provided between the board 2 and a button type battery 4 stored in the opening part 31. This spacer 1 is provided with a through hole 11 which inserts the negative electrode connecting terminal 21 and the positive electrode connecting terminal 22 in a state of integrating the case 51 and a case 52 and makes the terminals 21, 22 abut on the negative electrode part 41 and the positive electrode part 42, respectively.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery holder having a spacer interposed between a battery and a substrate in a battery holder and an electronic apparatus having the same.

[0002]

2. Description of the Related Art Conventionally, in a battery holder of an electronic device using a so-called button-shaped battery (hereinafter referred to as a battery) having a disk shape, for example, as shown in FIG.
The battery holder main body 3 is formed in a part of 1 and a case (upper part)
The button-type battery 4 is inserted into the opening portion 12 provided in the 51 and capable of storing the button-type battery 4, and a lid (not shown) of this battery holder is fitted into the lid fitting concave portion 33 and closed. What is used by doing is general.

In order to electrically connect the button-type battery to the substrate, the substrate 2 is usually provided with a negative electrode connecting terminal 21 and a positive electrode connecting terminal 22. In a state where the case (lower part) 52 is integrated, the button-type battery 4 is brought into contact with the negative electrode part 41 and the positive electrode part 42 of the button-type battery 4 so that the button-type battery 4 and the substrate 2 can be electrically connected to each other. It is fixed.

Further, in a state where the button type battery 4 is stored in the opening 12, the negative electrode portion 41 and the negative electrode connection terminal 21 are connected.
The negative electrode connection terminal 21 and the positive electrode connection terminal 22 are provided in a bent state in advance so that the positive electrode portion 42 and the positive electrode connection terminal 22 are securely in contact with each other.
When the button-type battery 4 presses these connection terminals in a state where is stored, elasticity is applied to the button-type battery 4 from each terminal, and contact is ensured.

[0005] Further, a notch portion 32 is formed by cutting out a part of the peripheral portion of the opening portion 31 so that the button type battery 4 can be opened.
In the state where the button type battery 4 is stored, a part of the peripheral side surface (the positive electrode portion) of the button type battery 4 is exposed. This is because when the button-type battery 4 is replaced, the finger-tip or the like is pressed against the peripheral side surface exposed in the notch portion 32 to push up the button-type battery 4 so that the button-type battery 4 can be easily taken out. It is made possible.

[0006]

However, the above-mentioned prior art has the following problems.

As shown in FIG. 4, when the case (upper) 51 and the case (lower) 52 are integrated, the substrate 2 and the substrate facing surface 53 of the case (lower) 52 correspond to each other for design reasons. If it is necessary to provide the button-type battery 4 and the substrate 2 stored in the opening 31, it is necessary to keep the distance between the button-type battery 4 and the substrate 2 considerably wide.

[0008] As described above, when the button-type battery 4 is stored in the opening 31, a part of the peripheral side surface of the button-type battery 4 is exposed, and the button-type battery 4 can be taken out. To do so, it is necessary to hold the button-type battery 4 at a position (height) where a part of the peripheral side surface of the button-type battery 4 is exposed, and the storage position of the button-type battery 4 cannot be changed. . If the button-type battery 4 is held at a position closer to the substrate, the button-type battery 4 enters into a position where a part of the peripheral side surface is not exposed, making it difficult to remove the button-type battery 4. I will.

Therefore, the button-type battery 4 is supported at a position where a part of the peripheral side surface of the button-type battery 4 is exposed by forming the negative electrode connection terminal 21 on the substrate 2 so as to rise up. .

However, when the button-type battery 4 is supported in this manner, if the negative electrode connection terminal 21 is slightly deformed, the button-type battery 4 becomes loose as shown in the tilted button-type battery 49, and the connection terminal There is a possibility that the state of contact with is deteriorated. Further, when the button-type battery 4 is strongly inserted into the opening 31, as shown by the deformed negative-electrode connection terminal 29, the negative-electrode connection terminal 21 falls down to the substrate 2 side and is deformed. There is a possibility that a part of the button-type battery 4 enters the notch 32 to a position where the button-type battery 4 is not exposed.

In order to solve the above-mentioned drawbacks of the prior art, the present invention provides a battery holder from which a battery can be easily taken out irrespective of the distance between an opening for inserting and housing a battery and a substrate. It is intended to be.

[0012]

In order to achieve the above object, the present invention provides: (1) First, a battery is provided opposite to a substrate provided with connection terminals for electrically conducting a battery, A battery holder main body having a cutout for exposing a part of the peripheral side surface of the battery at the peripheral edge of the opening, and the substrate and the opening. A spacer that is provided between and separates the substrate and the battery stored in the opening, and has a thickness that exposes a part of the peripheral side surface of the battery from the notch. And a battery holder characterized by the following.

[0013] With such a battery holder, the spacer provided between the battery and the substrate housed in the opening has a peripheral portion corresponding to the distance between the battery and the substrate. Since a part of the side surface is formed to a thickness that is exposed in the notch portion, regardless of the distance between the opening and the substrate, a part of the peripheral side surface of the battery is provided on the periphery of the opening. It can be held at a position exposed at the notch.

Further, in order to ensure the electrical continuity between the battery and the connection terminal, the thickness of the spacer is such that the spacer is interposed between the battery and the substrate and the connection terminal is inserted through the spacer. In this state, it is preferable that a portion of the connection terminal protrudes further toward the battery than the battery-side surface of the spacer.

Further, a part of the surface of the spacer on the substrate side comes into contact with solder, screws or the like provided on the substrate, so that the spacer is loosened when the spacer is interposed between the battery and the substrate. If it is not stable, at least one base having the same height as the solder or the screw which comes into contact with the same surface of the spacer is provided on the substrate, and the total of these solders or screws and the base is 3 It is preferable that the number of the spacers is more than three and that the spacer is stably supported by three or more spacers.

Further, according to the present invention, an opening for inserting and storing a battery is provided, and an electrode surface of the battery stored in the opening and a connection terminal provided on a substrate come into contact with each other. As long as the battery holder is formed, it may be applied to a battery holder other than a button battery.

(2) In (1), the thickness of the spacer is such that the height of the surface of the battery on the opening side of the opening is higher than the lower end of the notch, and A battery holder is characterized in that the range is lower than the surface on the opening side of the hole.

With such a battery holder, a part of the peripheral side surface of the battery is exposed at the notch provided at the peripheral portion of the opening, and the upper surface of the battery is placed above the opening. When the lid is protruded and the lid of the battery holder is fitted into the lid fitting concave portion to close the opening, it does not come into contact with the lid to prevent the closing.

(3) Further, in (1) or (2), the spacer is formed by forming a through hole through which the connection terminal is inserted and which can be brought into contact with the electrode surface of the battery. Battery holder.

With such a battery holder, the connection terminal can be easily brought into contact with the connection terminal by inserting the connection terminal through the through hole formed in the spacer. Further, the position where the connection terminal is provided on the substrate can be set regardless of the presence of the spacer. In addition, even if the battery is strongly inserted into the hole, the insertion is prevented at the position where it comes into contact with the spacer,
Deformation of the connection terminal can be prevented.

(4) The battery holder according to any one of (1) to (3), wherein the spacer is fixed to an end of the opening on the substrate side. is there.

With such a battery holder, the distance between the battery and the substrate can always be kept constant. Further, when disassembling the case of the electronic device in which the battery holder is formed, the battery stored in the opening portion falls on the substrate and short-circuits the substrate or the like, or damages components or the like of the electronic device. Can be prevented.

(5) An electronic device comprising the battery holder according to any one of (1) to (4). By making such an electronic device,
Regardless of the distance between the substrate and the battery holder main body, it is possible to provide an electronic device capable of holding the battery so that a part of the peripheral side surface is exposed in the cutout portion of the opening.

[0024]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Specific embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 1 is a perspective view showing an embodiment of the present invention, and FIG. 2 is a sectional view taken along line AA of the embodiment of the present invention.

In the embodiment of the present invention, as shown in FIG. 1, in an electronic device having a case (upper) 51 and a case (lower) 52 as a housing, the battery holder main body 3 is attached to the case (upper) 51. Formed, and the button type battery 4 is inserted into the battery holder body 3 from the opening side,
An opening 31 capable of being stored is provided. The button-type battery 4 is housed in the opening 31 with the negative electrode portion 41 facing a case (lower) 52 provided to face the case (upper) 51.

On the case (lower) 52 side, a substrate 2 is provided at a position close to the case 2 with its back surface facing the case (lower) 52 side.
A negative electrode connection terminal 21 and a positive electrode connection terminal 22 are provided at positions corresponding to the openings 31 on the surface on the 51 side. further,
When the case (upper) 51 and the case (lower) 52 are integrated with each other, the negative electrode connecting terminal 21 and the positive electrode connecting terminal 22
2, respectively. In this state, the positive electrode connection terminal 22 contacts the positive electrode portion 42 in a state where the positive electrode connection terminal 22 is inserted into the mounting groove 34 of the opening 31.

Further, a spacer 1 is provided between the button-type battery 4 housed in the opening 31 and the substrate 2. In a state where the case (upper) 51 and the case (lower) 52 are integrated with each other, the negative electrode connecting terminal 21 and the positive electrode connecting terminal 22 are inserted through the spacer 1, and the negative electrode connecting terminal 21 and the positive electrode connecting terminal A through-hole 11 is provided for making contact with the through hole 22. Note that a plurality of through holes 11 may be provided as needed.
In addition, a notch is provided in the peripheral portion of the spacer 1 in place of the through hole 11, and one or both of the negative electrode connection terminal 21 and the positive electrode connection terminal 22 pass through the notch, and the It is good also as what contacts an extreme part which does. Note that a plurality of notches may be provided as necessary.

The thickness of the spacer 1 is determined by the distance between the button-type battery 4 housed in the opening 31 and the substrate 2.
, The upper surface of the button-type battery 14 is located above the lower end of the notch 32 provided at the peripheral edge of the opening 31 and below the upper end of the opening 31. It is set to the height where it is located. Therefore, as shown in FIG. 4, when the button-type battery 14 is stored in the opening 31, a part of the peripheral side surface of the button-type battery 4 is always exposed in the notch 32, so that the button-type battery 14 is exposed in the notch 32. The button-type battery 4 can be taken out reliably by pressing the fingertip or the like against the portion where the button-type battery is located and pushing it up.

Further, in this state, the negative electrode connection terminal 21 is provided such that its tip protrudes above the upper surface of the spacer 1. By doing this,
The button-type battery 4 and the negative electrode connection terminal 21 can be reliably brought into contact with each other without the negative electrode connection terminal 21 being completely hidden in the through hole 11.

In the case where the spacer 1 does not support the button type battery 4 in a stable state due to rattling due to contact with the screw 23 or the solder 24 provided on the surface of the substrate 2 on the case (upper) 51 side. , Base 25 at least 1
It is preferable to provide three or more spacers in contact with the spacer 1 to eliminate the rattling of the spacer 1.

Further, the spacer 1 may be fixed to the lower end of the opening 31 with a screw or an adhesive.
By doing so, the button-type battery 4 can always be held at a position (height) most suited to the above-described conditions. The length (depth) of the opening 31 in this case
It is necessary to set in advance such that the button-type battery 4 is located at a position most suitable for each of the above-described conditions when the button-type battery 4 is stored in the opening 31.

Further, the battery holder of the present invention is applicable to electronic devices using batteries such as PC cards, toys, and portable PCs.

As described above, in the embodiment of the present invention, the button-type battery can be held at a position (height) where the button battery can be easily replaced. In addition, by appropriately changing the thickness of the spacer according to various conditions, such as the thickness of the button-type battery, the distance between the opening of the battery holder for inserting and storing the button-type battery and the substrate, etc. It is possible to correspond.

[0035]

As described above, the present invention provides an opening which is provided opposite to a substrate provided with a connection terminal for electrically connecting a battery and in which the battery is inserted and stored. A battery holder main body formed with a cutout for exposing a part of a peripheral side surface of the battery at a peripheral edge of the hole, and the substrate and the opening provided between the substrate and the opening; And a spacer having a thickness that separates the battery stored in the section and exposes a part of the peripheral side surface of the battery from the cutout portion. The battery can be easily taken out regardless of the distance between the battery mounted on the holder and the substrate. As a result, the situation in which the positional relationship between the battery holder and the substrate is a constraint on the design can be resolved, so that the degree of freedom in designing an electronic device having the battery holder can be increased.

[Brief description of the drawings]

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

FIG. 2 is a sectional view taken along line AA of the embodiment of the present invention.

FIG. 3 is a perspective view showing a conventional battery holder.

FIG. 4 is a sectional view taken along line BB of a conventional battery holder.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Spacer 11 Through hole 2 Substrate 21 Negative connection terminal 22 Positive connection terminal 23 Screw 24 Solder 25 Base 29 Deformed negative connection terminal 3 Battery holder main body 31 Opening part 32 Notch part 33 Lid fitting recess 34 Mounting groove 4 Button type Battery 41 Negative electrode part 42 Positive electrode part 49 Inclined button type battery 51 Case (upper) 52 Case (lower) 53 Substrate facing surface A, B Cutting part

Claims (5)

[Claims] An opening is provided opposite to a substrate on which a connection terminal for electrically conducting a battery is provided, and an opening for inserting and storing the battery is provided, and a peripheral portion of the opening is provided at a periphery of the opening. A battery holder main body formed with a cutout for exposing a part of a side surface, and a battery holder main body provided between the substrate and the opening to separate the battery stored in the opening from the substrate. And a spacer having a thickness that exposes a part of the peripheral side surface of the battery from the notch. 2. The thickness of the spacer is such that the height of the surface of the battery on the opening side of the opening is higher than the lower end of the notch and the height of the surface of the battery on the opening side of the opening. 2. The battery holder according to claim 1, wherein the range is also reduced. 3. 3. The spacer according to claim 1, wherein the spacer is formed with a through hole through which the connection terminal is inserted so as to be able to contact an electrode surface of the battery. Battery holder. 4. The battery holder according to claim 1, wherein the spacer is fixed to an end of the opening on the substrate side. 5. An electronic apparatus comprising the battery holder according to claim 1.