JPH07273849A - Charging terminal structure - Google Patents

Abstract

PURPOSE:To provide a charging terminal structure which doesn't have a lock mechanism and is simple and is free from short-circuit between terminals. CONSTITUTION:A battery pack 30 where a secondary battery is stored and which is freely detachably attached to a portable telephone set main body 11 is provided. Guide grooves 35 and 36 are provided on both side faces of the case of the battery pack 30, and positive and negative terminals 37 and 38 of the secondary battery are attached in guide grooves 35 and 36. A charger 60 is provided with guide projections 63 and 65 to be engaged with guide grooves 35 and 36, and charger terminals 67 and 69 to be press-connected to terminals 37 and 38 are provided on the line connecting the guide projections 63 and 65.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a charging terminal structure used for charging a secondary battery attached to a mobile phone or a radio.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 7 (a), a secondary battery attached to a mobile phone or the like is charged by accommodating the mobile phone 80 in a recess 91 provided in a charger 90. Has been done.

Here, the secondary battery is housed in a battery pack 83, and the battery pack 83 is a main body 81 of a portable telephone.
It is detachably attached to. Positive and negative input terminals 84 and 85 are provided on the bottom surface of the battery pack 83, while charger terminals 93 and 94 are provided on the bottom surface of the recess 91 of the charger 90 so as to project upward. ing.

Also, the input terminals 84 and 85 and the charger terminal 9
Vertically extending guide grooves 86, 86 (only the front side is shown) are provided on both sides of the battery pack 83 so that the positions of 3, 94 are aligned with each other. Guide projections 9 engaging with the guide grooves 86, 86
5, 95 (only the front side is shown) are provided.

Then, the lower portion of the portable telephone 80 is provided with a charger 9
If it is housed in the recess 91 of 0, the charger terminals 93 and 94 are elastically connected to the input terminals 84 and 85, thereby charging the secondary battery.

[0006]

However, the above-mentioned conventional example has the following problems. The charger terminals 93 and 94 are, as shown in FIG.
Since the input terminals 84 and 85 are elastically contacted with each other, they are designed to have a predetermined elastic force in the upward direction. For this reason, the spring pressure of the charger terminals 93, 94 pushes the battery pack 83 upward, so that a lock mechanism for fixing the battery pack 83 (the elastic spring 96 provided on the charger 90 side and the battery It is necessary to provide an engaging recess 87 provided on the pack 83 side, and the structure is complicated and the number of parts is large.

Since the plus and minus input terminals 84 and 85 of the battery pack 83 are arranged side by side on the same surface, a clip or another conductor is likely to come into contact between both input terminals 84 and 85 at the same time. It was easy for shorts to occur.

By the way, at a predetermined position of the battery pack 83, in addition to the input terminals 84 and 85, an output terminal (not shown) for supplying electric power of a secondary battery to the portable telephone body 81 is provided. Has been. In the past, since the output terminal and the input terminals 84 and 85 were separately provided, it was necessary to secure a place for attaching them separately, which not only increased the installation space but also the structure. Becomes complicated and the number of parts also increases.

The present invention has been made in view of the above points, and an object thereof is to provide a charging terminal structure that does not require a locking mechanism and has a simple structure and does not cause a short circuit between terminals. An object of the present invention is to provide a charging terminal structure that can reduce the installation space of the terminals of the secondary battery provided in the battery pack.

[0010]

In order to solve the above problems, the present invention has a built-in battery pack that houses a secondary battery and is detachably attached to a mobile phone body or a radio body, or a secondary battery. A portable telephone or a wireless device with a built-in secondary battery is detachably connected to the charger, and the terminal of the secondary battery is pressure-contacted to the charger terminal attached to the charger to recharge the secondary battery. In a charging terminal structure for supplying a current to, a guide groove is provided on each side surface of the case of the battery pack, the mobile phone or the radio, and the positive and negative terminals of the secondary battery are mounted in the guide grooves, On the other hand, the charger is provided with a guide protrusion that engages with the guide groove, and a charger terminal that is pressure-contacted with a terminal of the secondary battery is provided on a straight line formed by the guide protrusion. The present invention also includes a battery pack that houses a secondary battery and is detachably attached to a mobile phone body or a radio body, and is detachably connected to a charger so that the terminal of the secondary battery attached to the battery pack is In a charging terminal structure for supplying current to a secondary battery by pressure-connecting to a charger terminal attached to a charger, the terminal of the secondary battery is made of one metal plate, and the predetermined position of the charger is It is characterized in that it is provided with an input-side terminal connecting portion which is pressure-contact connected to the charger terminal and an output-side terminal connecting portion which is connected to an input terminal provided in the portable telephone body or the radio body.

[0011]

When the battery pack, the mobile phone, or the wireless device is connected to the charger, the guide protrusion fits into the guide groove so that the guide protrusion can be mounted smoothly. And at the installed position,
The charger terminal is elastically contacted with the secondary battery terminal (input-side terminal connection portion) and pressure-connected. At this time, the battery terminals and the like are sandwiched between the charger terminals of the charger so that the holding is stable and reliable. Further, since the force for pushing up the battery pack or the like does not work at all unlike the conventional example, the lock mechanism is not necessary. The terminals of the secondary battery are on a completely different surface,
Moreover, since it is in the guide groove, there is no danger of short-circuiting between both terminals. Since the input side terminal connection portion and the output side terminal connection portion are provided at the terminals of the secondary battery made of one metal plate, the output and input terminals are integrated.

[0012]

Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 1 is a perspective view showing a mobile phone 10 and a charger 60 using a charging terminal structure according to an embodiment of the present invention. Each will be described below.

The portable telephone 10 is a portable telephone body 11
A battery pack 30 having a built-in secondary battery is detachably attached. 2 is a perspective view showing a state in which the battery pack 30 is removed from the mobile phone body 11, and FIG. 3 is a perspective view showing a state in which the battery pack 30 is viewed from below.

As shown in FIG. 2, the portable telephone body 11 is provided with a recess 12 for accommodating the battery pack 30, and the terminals 37 of the battery pack 30 to be described below are provided on both sides below the bottom surface of the recess 12. Output side terminal connection portion 37b of 38,
The input terminals 15 and 17 elastically contacted with 38b are projected. These input terminals 15 and 17 are biased upward.

Next, as shown in FIGS. 1 to 3, guide grooves 35 and 36 extending in the vertical direction are provided on both side surfaces of the case 31 of the battery pack 30, respectively.
Input side terminal connecting portions 37a and 38a of the positive and negative terminals 37 and 38 are exposed in the portions 5 and 36, respectively.

Further, as shown in FIG. 3, positive and negative terminals 37 and 38 are provided on both sides of the lower surface of the battery pack 30, respectively.
The output side terminal connection portions 37b, 38b of are exposed.

FIG. 4 is an exploded perspective view of the terminal 37 portion of the battery pack 30, and FIG. 5 is an enlarged perspective view of the terminal 37. As shown in FIG. 5, the terminal 37 is formed by bending a single metal plate so that the charger 6 described below is placed at a predetermined position.
Input side terminal connection part 3 for pressure contact connection with the charger terminal 67 of 0
7a, and an output-side terminal connection portion 37b for connecting a secondary battery (not shown) housed in the battery pack 30 to the input terminal 15 (see FIG. 2) of the mobile phone body 11.

As shown in FIG. 4, the terminal 37 is mounted in the lower case 313. At this time, the concave portion 39 (FIG.
(See), the protrusion 314 provided on the lower case 313 is inserted, and thereby the terminal 37 is fixed in the lower case 313. At the same time, the output side terminal connection portion 37b of the terminal 37 is exposed downward through the through hole 315 provided in the lower case 313.

The upper case 311 is placed on the lower case 313.
Cover and fix both. At this time, the input-side terminal connection portion 37a of the terminal 37 is exposed to the outside from the through hole 351 provided in the guide groove 35 of the upper case 311.

The structure on the other terminal 38 side is similar to this. The terminals 37 and 38 are symmetrical in shape.

Next, as shown in FIG. 1, the charger 60 is provided with a storage recess 61 having a size and shape for storing the portable telephone 10 on the upper surface thereof. Vertically extending guide protrusions 63 and 65 that engage with the guide grooves 35 and 36 provided in the battery pack 30 are provided on both side surfaces of the storage recess 61, respectively. The charger terminals 67 and 69 connected to the input side terminal connection portions 37a and 38a of the terminals 37 and 38 are projected on the straight line and below the straight lines. These charger terminals 6
7, 69 are elastically ejected by a predetermined elastic force so as to project.

First, as shown in FIG. 2, the battery pack 30 is stored in the recess 12 of the portable telephone body 11.
At this time, the input terminal 15 provided on the mobile phone body 11,
17 is pressure-connected to the output side terminal connection portions 37b and 38b of the terminals 37 and 38 provided in the battery pack 30, respectively.

Next, as shown in FIG. 1, when the lower portion of the portable telephone 10 integrated with the battery pack 30 is inserted into the accommodating recess 61 of the charger 60, the guide protrusions 63 and 65 are formed into the guide grooves 35 and 35. Fits in 36 and is stored smoothly. Then, at the fully retracted position, the charger terminals 67 and 69 are elastically contacted with the input side terminal connection portions 37a and 38a of the terminals 37 and 38 by pressure contact.

At this time, the charger terminals 67, 6 of the charger 60
Since 9 holds the battery pack 30 from both sides, the battery pack 30 can be stably and reliably held. Further, since the force for pushing up the battery pack 30 does not work at all as in the conventional example, the lock mechanism is unnecessary.

Since the terminals 37 and 38 also serve as the input side terminal connecting portions 37a and 38a and the output side terminal connecting portions 37b and 38b, when the portable telephone 10 is housed in the charger 60, The charger terminals 67 and 69 are directly connected to the input terminals 15 and 17 of the mobile phone body 11. Therefore, even if the secondary battery in the battery pack 30 is exhausted and the secondary battery is not sufficiently charged, the call can be started immediately with the charger 60 connected.

The charger 60 may be charged by inserting only the battery pack 30 (that is, without connecting the portable telephone body 11).

Next, FIGS. 6A and 6B are perspective views showing other embodiments of the present invention. The same or corresponding parts as those in the above-mentioned embodiment are designated by the same reference numerals and detailed description thereof will be omitted. That is, as shown in FIG. 5A, lateral guide protrusions 63 'and 65' and charger terminals 67 'and 69' are provided in the recess 61 'of the charger 60' so that the portable telephone 10 can be mounted sideways. You can Reference numeral 70 is a connector for an automobile cigarette lighter.

Further, as shown in FIG. 2B, a charger 60 "
Rod-shaped protrusions 72, 72 from both sides of the (only the front side is shown)
Protrusions (not shown)
Guide grooves 35, 36 of the mobile phone 10 (not shown)
May be fitted,

The present invention may be applied to a mobile phone of a type in which a mobile phone body and a battery pack are integrated, that is, a secondary battery is built in the mobile phone.

The present invention may also be applied to radio equipment other than mobile phones.

[0031]

As described in detail above, the charging terminal structure according to the present invention has the following excellent effects. Since the charger terminal of the charger sandwiches the battery pack, the mobile phone, or the radio from both sides, it can be held stably and reliably.

Unlike the conventional example, the force for pushing up the battery pack, the portable telephone, or the radio does not work, so that the lock mechanism is unnecessary. Therefore, the structure is simplified and the number of parts can be reduced.

The terminals of the secondary battery are on a completely different surface,
Moreover, since it is in the guide groove, there is no danger of short-circuiting between both terminals.

Since the input side terminal connection portion and the output side terminal connection portion are provided at the terminals of the secondary battery made of one metal plate, not only the output and input terminals are integrated, but the number of parts can be reduced and Installation space can be reduced.

[Brief description of drawings]

FIG. 1 is a perspective view showing a mobile phone 10 and a charger 60 using a charging terminal structure according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a state in which a battery pack 30 is removed from a mobile phone body 11.

FIG. 3 is a perspective view showing a state where the battery pack 30 is viewed from below.

FIG. 4 is an exploded perspective view of a terminal 37 portion of the battery pack 30.

5 is an enlarged perspective view of a terminal 37. FIG.

6 (a) and 6 (b) are perspective views showing other embodiments of the present invention.

7A and 7B are diagrams showing a connection structure of a conventional mobile phone 80 and a charger 90, FIG. 7A is a schematic perspective view of a main part, and FIG. 7B is a schematic side sectional view of the main part.

[Explanation of symbols]

 10 Mobile Phone 11 Mobile Phone Main Body 15,17 Input Terminal 30 Battery Pack 31 Case 35,36 Guide Groove 37,38 Terminal 37a, 38a Input Side Terminal Connection 37b, 38b Output Side Terminal Connection 60 Charger 63,65 Guide protrusion 67, 69 Charger terminal

Claims (2)

[Claims] 1. A battery pack for accommodating a secondary battery, which is detachably attached to a mobile phone body or a radio body, a mobile phone having a built-in secondary battery, or a radio device having a built-in secondary battery, In a charging terminal structure that is detachably connected to a charger and pressure-connects a terminal of the secondary battery to a charger terminal attached to the charger to supply current to the secondary battery, the battery pack or portable Guide grooves are provided on both sides of the case of the portable telephone or the radio, and the positive and negative terminals of the secondary battery are mounted in the guide grooves, respectively, while the charger has guide protrusions that engage with the guide grooves. And a charger terminal that is pressure-contacted with the terminal of the secondary battery on a straight line formed by the guide protrusion. 2. A battery pack which houses a secondary battery and is detachably attached to a mobile phone body or a radio body.
A rechargeable terminal structure that is detachably connected to a battery charger and press-connects a terminal of a secondary battery attached to a battery pack to a battery charger terminal attached to a battery charger to supply a current to the secondary battery. The terminal of the battery is made of one metal plate, and at a predetermined position thereof, an input side terminal connecting portion which is pressure-contact connected to the charger terminal of the charger and an input terminal provided on the body of the portable telephone or the body of the wireless device. A charging terminal structure characterized in that an output-side terminal connection portion to be connected is provided.