JPH0955786A - Charging terminal device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a charging terminal device, which can easily obtain stable pressure-contact with simple equipment, at a low price. SOLUTION: A couple of terminal members 8 made of elastic materials provided with movable terminals 7 nearby both ends at almost 90 deg. in inward directions are supported inside a charger 4 nearby their centers. The terminal members 8 are supported so that their movable terminals 7 can swing projecting to the reception recessed part 5 of the charger 4, and electric equipment is provided with a fixed terminal 3 in an exposed state at the corner parts of the case 2 of the electronic equipment so that the fixed terminal corresponds to a movable terminal 7. The fixed terminal 3 formed on the electronic equipment is pressed against both movable terminals 7 like a wedge or the terminal members 8 are formed in an L shape.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a connecting terminal portion between an electronic device such as a cordless telephone and a charger.

[0002]

2. Description of the Related Art As a conventional charging terminal device for a cordless telephone, for example, as shown in FIG. 9, a wall of a case C of a charger B which also serves as a mounting table of the cordless telephone A is mounted on a wall. A pair of elastic metal plate supports D are attached in a cantilever state by screws E, a movable terminal F is projectingly provided near the tip of the support D, and the movable terminal F is projected from the wall surface of the case C. In the cordless telephone A, a pair of fixed terminals G are provided so as to be exposed on the wall of the case H in the cordless telephone A, and the charger B has a structure as described above.
In some cases, the fixed terminal G of the cordless telephone A is pressed against the movable terminal F in a substantially vertical direction corresponding to the moving direction of the cordless telephone A.

The pressure contact relationship between the fixed terminal and the movable terminal in the horizontal type and the wall hanging type is almost the same as that in the vertical type, and a coil spring may be applied as the support D.

[0004]

In the above-mentioned prior art, when the spring action of the support arm D is weak or deteriorates, contact failure is caused due to the fact that the contacting terminals are in pressure contact while facing each other in one direction. It is likely to occur and interfere with charging.
When a problem occurs during charging as described above, the above-mentioned conventional technique has the disadvantages that it is necessary to inspect, clean, and replace the charging terminal.

SUMMARY OF THE INVENTION An object of the present invention is to provide a charging terminal device which can easily reduce the contact resistance under a stable pressure contact state with a simple equipment at a low cost.

[0006]

In order to achieve the above object, the present invention has a pair of elastic members in which a movable terminal is provided inward of both ends of the charger at an angle of approximately 90 degrees. The movable terminal is provided in such a manner that the movable terminal projects into the receiving recess of the charger while the terminal member made of the movable member is swingably supported in the vicinity of its center, while the fixed terminal of the electronic device corresponds to the movable terminal. It is provided in an exposed state at the corners of the. Further, the fixed terminal formed on the electronic device is pressed into contact with both movable terminals in a wedge shape, or the elastic arm constituting the terminal member is formed in an L shape. It is provided by being pressed into contact with the bearing part by the inclined wall inside.

With the above structure, when the electronic device is placed in the receiving recess of the charger, the fixed terminals of the electronic device are brought into contact resistance with the movable terminals facing each other at an angle of approximately 90 degrees by pressure contact from two directions. Reduced and stable connection is obtained,
In addition, the wedge action provides a more effective pressure contact state,
The storage battery of the electronic device is reliably charged.

[0008]

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

1 to 3 are embodiments in which the present invention is applied to a charger for a cordless telephone set vertically, and the cordless telephone 1 to which the present invention is applied is, for example, as shown in the drawing. A pair of fixed charging terminals 3 is provided in an exposed state at the end of the elongated flat case 2 on the side of the transmitter, and a storage battery (not shown) is provided inside the case 2 to electrically connect the fixed terminals 3 to each other. The cordless telephone 1 is used as the charger 4 for the connection.
A case 6 having a receiving recess 5 adapted to receive the lower end of the cordless telephone is provided, and the receiving recess 5 has a pair of charging movable terminals 7 corresponding to the fixed terminals 3 of the cordless telephone 1. The charging circuit unit (not shown) is provided in the case 6 so as to project, and the output side thereof is electrically connected to the movable terminal 7, and thus the charging circuit unit (not shown) is provided as shown in FIGS. From the state where the dress telephone 1 is separated from the charger 4, the cordless telephone 1 is placed vertically in the receiving recess 5 of the case 6 as shown in FIG. A model in which the storage battery built in the cordless telephone 1 is charged while being pressed against the terminal 7 is adopted.

As a special configuration of the present invention with respect to the above model, the movable terminal 7 is provided inwardly inside the case 6 of the charger 4 near both ends of the substantially L-shaped elastic arm at an angle of about 90 degrees. A pair of protruding metal plate terminal members 8
Are provided to the + pole and − pole respectively so that the movable terminals 7 project upward and forward from the holes 9 in the receiving recess 5, whereas the cordless telephone 1 as an electronic device receives the receiving recess. A pair of L-shaped fixed terminals 3 are provided at the corners of the case 2 so as to correspond to the movable terminals 7 protruding into the inside of the case 2 so that at least the ends thereof are exposed.

A support portion 10 is formed inside the case 6 by an inclined wall, and the terminal member 8 is formed such that both sides thereof have an appropriate acute angle so that both sides of the terminal member 8 are elastic. In the state of FIG. 3 in which the cordless telephone 1 is not placed, the support portion 1 is supported in a state of being pressed against the support portion 10 in the vicinity of the center while being expanded against it.
The movable terminal 7 at both ends is stably held in a state of protruding from the hole 9 with the contact portion between 0 and the terminal member 8 as a fulcrum, and on the contrary, the cordless telephone 1 is placed inside the receiving recess 5 of the charger 4. In this case, as shown in FIG. 1, the fixed terminal 3 of the cordless telephone 1 is in a state in which both the upward movable terminals 7 and the forward movable terminals 7 are simultaneously pressed against the spring action of their elastic arms. Connect to.

When the cordless telephone 1 is placed, since the movable terminal 7 has its fulcrum merely supported in a pressure contact state, when one of the movable terminals 7 is pressed, the other is affected by the pressing. The spring action is enhanced and the pressure contact action with respect to the fixed terminal 3 is improved.

As shown in FIG. 4, each of the terminal members 8 may be formed with a compound leaf type movable terminal 7 at its end portion, thereby increasing the number of contact points and ensuring a reliable connection. The shape of the terminal member 8 may be a C-shaped elastic arm in which the movable terminals 7 are formed near both ends as shown in FIG.

Regarding the support of the terminal member 8, the terminal member 8 may be pivotally attached 11 to the support portion 10 in the vicinity of the center of the terminal member 8 as shown in FIG. 6, or in the vicinity of the center of the terminal member 8 as shown in FIG. May be fixed to the bearing 10 with screws 12.

The embodiment shown in FIG. 8 is of a horizontal type in which the cordless telephone 1 is placed on the charger 4 in a recumbent state. In this embodiment, the vertical and horizontal relationships are different. However, since there is no difference in properties, the same reference numerals are given in the drawings and the description thereof will be omitted.

[0016]

As described above, according to the present invention, when an electronic device is placed in the receiving recess 5 of the charger 4 with a remarkably simple structure, both movable terminals facing each other at an angle of approximately 90 degrees. 7, the fixed terminal 3 of the electronic device reduces contact resistance by pressure contact from two directions and a stable connection is obtained, and a more effective pressure contact state is obtained by the wedge action, so that the fixed terminal 3 for the storage battery of the electronic device is Charging is surely performed, and moreover, the terminal member 8 is provided in pressure contact with the support portion 10 by the inclined wall in the charger 4 in the vicinity of the center thereof, so that the terminal member 8 can be easily and easily operated under a simple operation. Since the terminal member 8 made of an L-shaped metal plate can be securely attached, and the movable terminals 7 facing each other at an angle of about 90 degrees are formed on both ends by a single small and inexpensive member. , Rocking It can be effectively pressed against the fixed terminal 3 acceptable.

[Brief description of drawings]

FIG. 1 is a partial vertical cross-sectional side view of a charging terminal device showing one embodiment in which the present invention is applied to a cordless telephone at the time of charging.

FIG. 2 is a perspective view showing a state in which the cordless telephone in the charging terminal device of FIG. 1 is separated.

FIG. 3 is a partial vertical cross-sectional side view of only the charger in the charging terminal device of FIG.

FIG. 4 is a perspective view of only a terminal member in another embodiment.

FIG. 5 is a side view showing a mounted state of a terminal member according to another embodiment.

FIG. 6 is a side view of a mounted state of a terminal member according to another embodiment.

FIG. 7 is a side view of a mounted state of a terminal member in still another embodiment.

FIG. 8 is a partially longitudinal side view of the charging terminal device at the time of charging, showing an embodiment in which the present invention is applied to a horizontal cordless telephone.

FIG. 9 is a partial vertical cross-sectional side view of the conventional charging terminal device for a cordless telephone during charging.

[Explanation of symbols]

 2 Electronic device case 3 Fixed terminal 4 Charger 5 Receiving recess 6 Charger case 7 Movable terminal 8 Terminal member 9 Hole 10 Bearing part

Claims (4)

[Claims] 1. A pair of terminal members made of an elastic material in which a movable terminal (7) is provided inwardly inside the case (6) of the charger (4) at an angle of about 90 degrees near both ends ( 8)
The movable terminal (7) is provided in such a manner that the movable terminal (7) projects into the receiving recess (5) of the case (6) while supporting it in the vicinity of its center, while the fixed terminal (3) is provided to the electronic device.
A charging terminal device, wherein the charging terminal device is provided at a corner portion of the case (2) so as to be exposed outward under a state corresponding to the movable terminals (7). 2. The charging terminal device according to claim 1, wherein the fixed terminal (3) formed on the case (2) of the electronic device is pressed against both movable terminals (7) by a wedge action. 3. The charging terminal device according to claim 1, wherein the terminal member (8) made of an L-shaped metal plate is adopted. 4. The receiving recess (5) of the charger (4) is provided with a hole (9) for penetrating the movable terminal (7), and the terminal member (8) is provided with the movable terminal (7). The charging terminal device according to any one of claims 1 to 3, wherein the charging terminal device is provided so as to be pressed into contact with a support portion (10) formed by an inclined wall near the center while being inserted into (9).