JP3941260B2 - Electrical equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an electric device that uses a battery accommodated in the device body.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, there are some that use dry batteries or the like mainly as portable electric devices. In such a device, it is good that the battery is quickly consumed and the battery is frequently replaced. However, a battery that consumes little battery, such as one that can also be used with a household power supply, does not change the battery so frequently. However, if the battery is stored in the device main body and unused for a long time, the battery may leak due to a minute current.
[0003]
[Problems to be solved by the invention]
For this reason, in a conventional electric device, it is necessary to remove the battery from the device when the device is not used for a long time. However, these days, there are many opportunities to use dry batteries, and there are many types of devices, so the management of dry batteries is troublesome. For example, it is not desirable to mix unused and used dry batteries. Therefore, dry batteries removed from one device need to be managed individually and are cumbersome to manage. It is.
[0004]
Accordingly, an object of the present invention is to facilitate battery management in an electric device using the battery.
[0005]
[Means for Solving the Problems]
The electrical apparatus according to claim 1 of the present invention, which has been made to solve the above problems,
In an electric device comprising a device main body, a battery housing portion formed in the device main body for housing a battery, and a battery lid for covering the battery housing portion, a wing piece standing from the battery lid inside the battery lid the provided, by fitting the battery cover to the battery housing, the blade piece, is inserted in an electric circuit including the the battery housed in the battery housing portion is forced to cross the said circuit, said The battery lid is removed from the battery housing portion, the wing piece is removed from the circuit, the battery lid is reversed and inserted into the battery housing portion, and the wing piece is housed in the housing portion to connect the circuit. characterized in that way the.
[0006]
According to the electric device of claim 1 configured as described above, the electric circuit can be disconnected in a state in which the battery is accommodated in the battery accommodating portion by fitting the battery lid into the battery accommodating portion . Liquid leakage can be prevented by eliminating the minute current of the battery. In use, the battery cover is removed from the battery storage part, the wing piece is removed from the circuit, the battery cover is reversed and inserted into the battery storage part, and the wing piece is stored in the storage part. An electrical circuit can be connected. Therefore, the battery can be always loaded in the device main body (battery housing portion), and there is no need to manage the battery specially.
[0007]
An electric device according to a second aspect of the present invention is the electric device according to the first aspect, wherein the electric device is in a state of standing from the battery cover and a state of being bent down to the battery cover side inside the battery cover. An electric circuit including a battery accommodated in the battery accommodating portion is provided by providing a movable movable rib and inserting the battery lid into the battery accommodating portion with the movable rib standing. The circuit is forcibly disconnected, and the battery lid is removed from the battery housing and the movable rib is removed from the circuit to connect the circuit.
[0008]
According to the electric device of claim 2 configured as described above, the movable lid is inserted into the electric circuit including the battery accommodated in the battery accommodating portion by inserting the battery lid into the battery accommodating portion, and The circuit can be forcibly cut off, and in the state where the battery is accommodated in the battery accommodating portion, the minute current of the battery can be eliminated to prevent liquid leakage. In use, the circuit can be connected by removing the battery lid from the battery housing and removing the movable rib from the electric circuit. Therefore, the battery can be always loaded in the device main body (battery housing portion), and there is no need to manage the battery specially.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below. FIG. 1 is a perspective view of an essential part of the electric apparatus according to the first embodiment. The outer case 11 and the battery cover 2 of the electric device main body 1 such as a portable electronic musical instrument are formed of synthetic resin (plastic), and the outer case 11 is formed with an opening 11a having substantially the same shape as the battery cover 2. A cutout portion 11b is formed on one side. A battery housing portion 1A is formed in the electric device main body 1 so as to face the opening 11a. The battery housing portion 1A has an anode contact 12 formed of a conductive elastic plate and has conductivity. A cathode contact 13 formed in a spring shape with an elastic member is disposed so as to face.
[0010]
The dry cell 3 is accommodated in the battery accommodating portion 1A, the positive electrode 3a of the dry cell 3 is brought into contact with the anode contact 12, and the negative electrode 3b of the dry cell 3 is brought into contact with the cathode contact 13. At this time, the spring-shaped cathode contact 13 is elastically deformed, and the positive electrode 3 a and the anode contact 12 are pressed against each other, and the negative electrode 3 b and the cathode contact 13 are pressed against each other by the elastic recovery force of the cathode contact 13.
[0011]
The battery cover 2 includes a cover plate 21 that fits in the opening 11 a of the outer case 11, an elastic hook 22 formed on one side of the cover plate 21, and a pair of engagement members formed on one side opposite to the elastic hook 22. A claw 23 and a movable rib 24 as a “feather piece” disposed on the inner surface of the lid plate 21 (the surface that becomes the inner side when the lid is closed) are provided. The elastic hook 22 has bent portions 22a and 22b, an engaging portion 22c and a knob portion 22d, and has an elastic recovery force against deformation in the direction of the arrow mainly due to elastic deformation of the bent portions 22a and 22b. .
[0012]
The movable rib 24 is pivotally supported at both ends of one end by a bearing 25 and can be rotated as indicated by arrows in the figure. The movable rib 24 stands upright at a right angle with respect to the lid plate 21 (a state indicated by a solid line in the drawing), and a state where the movable rib 24 lies parallel to the lid plate 21 (a state indicated by a two-dot chain line in the drawing). ). It should be noted that moderate contact friction is set between the movable rib 24 and the bearing 25, and the movable rib 24 rotates manually but does not naturally rotate.
[0013]
With the above configuration, the movable rib 24 of the battery lid 2 is raised while the dry battery 3 is loaded in the battery housing portion 1A, and the battery housing portion 1A is covered with the battery lid 2. At this time, the tip of the movable rib 24 (tip near the engaging claw 23) is inserted between the positive electrode 3a and the anode contact 12 of the dry cell 3, and the engaging claw 23 is inserted into one side of the opening 11a (notch 11b). The elastic hook 22 is inserted into the notch 11b, and the cover plate 21 is fitted into the opening 11a. Thereby, the engaging portion 22c of the elastic hook 22 is engaged with the lower side of the notch portion 11b, and the battery lid 2 is fixed in a state where the battery accommodating portion 1A is covered, and the movable rib 24 is fixed to the dry cell 3. It will be in the state inserted between the positive electrode 3a and the anode contact 12.
[0014]
The anode contact 12 is connected to a predetermined circuit in the electric device main body 1, but the movable rib 24 is made of a synthetic resin, so that it has high electrical insulation, and the positive electrode 3 a of the dry battery 3 The anode contact 12 is insulated. That is, since the movable rib 24 as a “feather piece ” is inserted into the electric circuit including the dry battery 3 and the circuit is forcibly disconnected, the dry battery 3 is loaded and left for a long time. No liquid leakage occurs. Therefore, even when the electric device main body 1 is not used, it is not necessary to remove the dry battery 3 in order to prevent liquid leakage.
[0015]
Moreover, when using the electric equipment main body 1, the battery housing portion 11 may be covered with the battery lid 2 in a state where the movable rib 24 is turned down (state of the two-dot chain line in FIG. 1). That is, by removing the “feather” from the electric circuit, the circuit is connected, and the main switch is turned on for use. In addition, when opening the battery cover 2, it can open by pushing the knob | pick part 22d of the elastic hook 22, and removing the engaging part 22c from the lower side of the notch part 11b, and pulling up as it is.
[0016]
FIG. 2 is a perspective view of an essential part of the electric apparatus according to the second embodiment. Elements similar to those in the first embodiment are denoted by the same reference numerals as those in FIG. 1 and detailed description thereof is omitted. The battery lid 2 ′ in this embodiment has a rib 24 ′ as a “wing side” formed integrally with the lid plate 21, and the rib 24 ′ stands up with respect to the lid plate 21.
[0017]
The opening 11a 'of the outer case 11 has substantially the same shape as the battery lid 2', but on the side facing the first notch 11b, the battery lid 2 'has the same shape as the first notch 11b. A second notch 11b 'is formed so that the elastic hook 22 engages. In addition, the opening 11a ′ is extended further outward than the position of the cathode contact 13 of the battery accommodating portion 1A, and a rib accommodating portion 14 that can accommodate the rib 24 ′ is formed.
[0018]
Here, the shape of the opening 11a 'of the outer case 11 (portion other than the notches 11b and 11b') is a rectangle that matches the cover plate 21, but the first and second notches 11b. , 11b 'are formed at positions that are symmetric with respect to the center point of the opening 11a'. As a result, the battery lid 2 ′ is in a state in which the elastic hook 22 is engaged with the first notch 11 b and the opening 11 a ′ is capped (hereinafter referred to as “first” as in the first embodiment). State ”), or a state where the elastic hook 22 is engaged with the second notch 11b ′ and the opening 11a ′ is covered (hereinafter referred to as“ second state ”). The state can be taken.
[0019]
In the first state, the rib 24 'is inserted between the positive electrode 3a and the anode contact 12 of the dry battery 3, and the dry battery 3 is loaded and left for a long time as in the first embodiment. However, no liquid leakage occurs. Further, in the second state, the rib 24 ′ is only housed in the rib housing portion 14, and an electric circuit including the dry battery 3 is connected, and the main switch 1 is turned on so that the electric device main body 1 is turned on. Can be used.
[0020]
FIG. 3 is a cross-sectional view of an essential part of the electric device according to the third embodiment. Elements similar to those in the first and second embodiments are denoted by the same reference numerals as those in FIGS. 1 and 2, and are described in detail. Is omitted. The relationship between the opening 11a ″ and the battery lid 2 ″ in the third embodiment is the same as the relationship between the opening 11a ′ and the battery lid 2 ′ in the second embodiment, but this third embodiment. The battery lid 2 ″ in the embodiment is provided with a movable rib 24 similar to that of the first embodiment as a “blade piece”.
[0021]
The battery housing portion 1A ″ is loaded with a plurality of dry batteries 3. Inside the battery housing portion 1A ″, there is a conductive anode contact 12 ′ and a cathode contact 13 ′ formed of a conductive elastic plate. Are arranged opposite to each other, and a plurality of dry batteries 3 are connected in series between the anode contact 12 'and the cathode contact 13'.
[0022]
The cathode contact 13 ′ is formed on the battery side end 13 a ′ that contacts the negative electrode 3 b of the dry battery 3, and from the groove formed on the side wall 1 A- 1 ″ of the battery housing 1 A ″. And an outer end portion 13b 'erected on the inside) of the battery housing portion 1A ". The back side of the flange portion 1A-2" of the battery housing portion 1A "(inner side of the main body 1) has a conductive elastic property. A connection terminal 4 formed of a plate is disposed to face the outer end 13b ′ of the cathode contact 13 ′.
[0023]
The battery side end portion 13a ', the outer end portion 13b' and the connection terminal 4 are bent, and the electrode side end portion 13a 'is brought into pressure contact with the negative electrode 3b of the dry cell 3 by its elastic restoring force. Yes. Further, the outer end portion 13b 'and the connection terminal 4 are brought into pressure contact with each other by the elastic restoring force. The connection terminal 4 and the anode contact 12 ′ are connected to a predetermined circuit in the electric device main body 1, and the electric circuit including the dry battery 3 is constituted by the anode contact 12 ′, the cathode contact 13 ′, and the connection terminal 4. . Further, a rib insertion groove 1A-3 ″ is formed in the flange portion 1A-2 ″ of the battery housing portion 1A ′ at a position corresponding to the contact surface between the outer end portion 13b ′ of the cathode contact 13 ′ and the connection terminal 4. ing.
[0024]
With the above configuration, when the movable rib 24 of the battery lid 2 ″ is raised (the state shown by the solid line in FIG. 3) and the battery housing portion 1A ″ is covered with the battery lid 2 ″, the movable rib 24 is It is inserted between the outer end 13b ′ of the cathode contact 13 ′ and the tip of the connection terminal 4 through the insertion groove 1A-3 ″. Accordingly, the outer end portion 13b 'and the connection terminal 4 are insulated, and no liquid leakage occurs even if the dry battery 3 is left in the battery housing portion 1A "for a long time.
[0025]
Further, when the electric apparatus main body 1 is used, the movable rib 24 is turned down, and the battery lid 2 ″ is reversed so that the movable rib 24 becomes the dry battery 3 side as shown by a two-dot chain line in FIG. Then, the battery housing part 11 can be covered as it is, so that the movable rib 24 is removed from between the outer end 13b 'and the tip of the connection terminal 4, and the electric circuit including the dry battery 3 is brought into a connected state. It can be used with the main switch or the like turned on.
[0026]
In each of the above embodiments, since the circuit is disconnected in the vicinity of the electrode of the dry battery 3, the number of members connected to the dry battery 3 is reduced, and the effect of preventing a minute current is extremely high. Leakage prevention effect is enhanced. Further, the circuit including the battery can be cut off at either the positive electrode side or the negative electrode side of the battery, but it is more effective to cut off the circuit at both electrode sides.
[0027]
In the present invention, the number of batteries is not limited to the embodiment. Needless to say, the present invention can be applied to various electric devices. Furthermore, the structure for fixing the battery lid is not limited to the embodiment.
[0028]
【The invention's effect】
As described above, according to the electric device of claim 1 of the present invention , the electric circuit can be disconnected in a state where the battery is accommodated in the battery accommodating portion by fitting the battery lid into the battery accommodating portion . The battery can be prevented from leaking by eliminating a minute current, and when in use, the battery cover is removed from the battery storage part, the wing piece is removed from the circuit, and the battery cover is reversed and inserted into the battery storage part. In addition, since the electric circuit can be connected by storing the wing piece in the storage unit , the battery can be always loaded in the apparatus main body, and there is no need to manage the battery specially.
[0029]
According to the electric device of the second aspect of the present invention, the movable lid is inserted into the electric circuit including the battery housed in the battery housing portion by inserting the battery cover into the battery housing portion, thereby forcing the circuit. Therefore, in the state where the battery is accommodated in the battery accommodating portion, it is possible to prevent the leakage of the liquid by eliminating the minute current of the battery. By removing the rib from the electric circuit, the circuit can be connected , the battery can be always loaded in the apparatus body, and there is no need to manage the battery specially.
[Brief description of the drawings]
FIG. 1 is a perspective view of essential parts of an electric apparatus according to a first embodiment of the present invention.
FIG. 2 is a perspective view of an essential part of an electric device according to a second embodiment of the present invention.
FIG. 3 is a cross-sectional view of a main part of an electric device according to a third embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Electric equipment main body, 1A, 1A "... Battery accommodating part, 2, 2 ', 2" ... Battery cover, 3 ... Dry battery, 24 ... Movable rib (blade piece), 24' ... Rib (blade piece).

Claims (2)

The device body,
A battery housing portion that is formed in the device body and houses a battery;
In an electrical device comprising a battery lid that covers the battery housing portion,
In the electric circuit including the battery housed in the battery housing portion, a wing piece standing from the battery lid is provided inside the battery lid, and the battery lid is fitted into the battery housing portion. The battery cover is forcibly disconnected, the battery cover is removed from the battery housing part, the wing piece is removed from the circuit, the battery cover is reversed and inserted into the battery housing part, and the wing piece is inserted. An electrical apparatus characterized in that the circuit is connected by storing the circuit in a storage unit. The inside of the battery lid, so that the state of face down standing state and the battery lid side from the battery lid is provided a rotatable movable ribs, said the battery lid in a state of standing the movable rib battery By inserting the movable rib into the electric circuit including the battery accommodated in the battery accommodating portion by forcing it into the accommodating portion, the circuit is forcibly disconnected, and the battery lid is removed from the battery accommodating portion. The electric device according to claim 1, wherein the circuit is connected by removing the movable rib from the circuit.

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