JPH0542616Y2 - - Google Patents

Description

[Detailed description of the invention] (a) Industrial application field The present invention relates to an electric device that uses a charger or a dry cell battery as a power source for charging a rechargeable battery such as a nickel cadmium battery. This is related to the configuration of the .

(b) Conventional technology For example, in a charger for a cylindrical battery, a connecting piece is generally installed opposite to a recess provided in the charger for housing the battery, and either the positive or negative terminal of the battery in this recess is connected. A method is used in which the pole is first pressed into contact with one of the connecting pieces and placed in the recess, and in this state the other pole is fixed in the recess against the elasticity of the other connecting piece. With this method, it is necessary to press the connection piece twice for one battery, and the same operation is also required when removing the battery. Moreover, since each battery is held in the battery housing recess simply by the elastic piece of the connecting piece, there is a problem in that the battery may come off from the connecting piece due to the shock applied to the charger.

By the way, Japanese Utility Model Publication No. 55-36938 is based on the idea that if separate battery storage recesses are provided for a plurality of batteries and each battery is stored in each recess, positional displacement due to shock will not occur. As disclosed in , the bottom end of a box-shaped dry battery storage case with a bottom is provided with a rotating support shaft in the cabinet so that it can be rotated outwardly, A battery storage device has been proposed in which an engaging portion is provided for engagement, and a rib is provided inside the cabinet to abut the upper end of the dry battery stored in the dry battery storage case and serve as a battery holder. In this device, the battery can be connected by simply placing the battery in the battery storage case and rotating the storage case to store it in the cabinet. Since the battery storage case is held within the cabinet by engaging with the stepped portion of the cabinet, if an impact is applied to the cabinet, the engagement between the locking member and the stepped portion will be disengaged, and the battery storage case will fall out of the cabinet. There is a risk of slipping out.

(c) Problems to be solved by the invention The problem to be solved by the invention is that in a battery storage device in which the battery storage case can be stored and removed by rotating with respect to the main body case, An object of the present invention is to develop an engaging means that can be held securely and easily removed.

(d) Means for Solving the Problems According to the present invention, there is provided a main body case having an opening for storing a battery formed by cutting out the lower part of one side and the bottom surface continuous to this, and It consists of a retractable battery storage case, the rear end of the bottom of the storage case is rotatably pivoted to the bottom of the other side of the main case, and the main case side is constantly biased in the protruding direction. A push button is provided on the push button, and a locking piece having an inclined surface is formed on the side surface of the storage case, and the locking piece is engaged with the locking piece against the biasing force of the push button, and the push button is pressed. forming a stopper member whose engagement is released by.

(E) Function When the battery storage case is rotated to be stored in the opening of the main body case, the stopper member of the storage case comes into contact with the locking piece of the push button, presses the sloped surface thereof, and moves in the direction to retract the push button. It is then pushed forward and is locked by the locking piece at the position where it passes over the locking piece.

When the push button is pressed, the engagement between the locking piece and the stopper member is released and the storage case can be pulled out from the main case.

(F) Embodiments Hereinafter, the battery storage device of the present invention will be explained in detail along with the charger in the drawings.

The charger 1 has a robot-like appearance as a whole, and is roughly divided into three parts: a head 2, a two-part main body case 3, and a battery storage case 4.

The head 2 houses a step-down transformer 5 therein,
A recess 6 is formed on the back surface to hold the insertion plug 7 so that it can be rotated up and down, and the positive electrode is connected to the transformer 5 on the bottom surface via a charging current generating means such as a rectifier (not shown) on the printed circuit board 8. The connecting conductor 9 and the negative electrode connecting conductor 10 are attached with their parts exposed to the outside. The insertion plug 7 has a protrusion 7a, and can come into contact with and detach from a spring contact piece 11 connected to the transformer 5 by rotation.

The main body case 3 has a circular opening 12 formed in the center of one case A3a, and an engaging claw 13 that engages with the fitting portion 2a of the head 2 at the upper end. Also, a pivot pin 1 is provided at the bottom of the case A3a.
Pivot ribs 15a and 15b that fit and hold both ends of 4
is formed. The other case B3b of the main body case 3 has blades 71 and 72 of the plug 7 on the top.
In addition to forming grooves 16a and 16b for accommodating the storage space, a large-area opening 17 is also formed.

18a and 18b are push buttons, and the case A3
It is stored in storage holes 19a and 19b on the upper side surface formed by combining a and B3b. Ribs 20a and 20 are provided on the sides of the cases A3a and B3b, respectively.
springs 21a, 21b that bias the push buttons 18a, 18b in the protruding direction are formed on rods 22a, 22a, 22b formed on the push buttons 18a, 18b.
22b and the ribs 20a, 20b. In addition, the push button 18
Flanges 23a, 23b are formed around a, 18b, and these flanges 23a, 23b prevent the housings from coming out of the storage holes 19a, 19b. 2
Numerals 4a and 24b are locking pieces integrally formed in the shape of the push buttons 18a and 18b, and sloped surfaces 25a and 25b are formed at the lower ends of the locking pieces 4a and 24b.

The battery storage case 4 has battery insertion holes 2 in the vertical direction.
6, 27... are formed in two rows alternately and consecutively in a plurality of large and small pieces according to the diameter of the batteries 28, 28..., and each insertion hole 26 is formed at the bottom of each insertion hole 26, 27... , 27 . . . connecting members 29 and 30 are attached to connect the batteries inserted in series. Further, stopper members 31a and 31b that can be engaged with the locking pieces 24a and 24b are formed on the side of the upper surface.
Reference numeral 32 denotes a bottom cover member that covers the bottom of the battery storage case 4, and is attached and fixed by locking the locking claws 33 on the sides into the locking holes 34 of the storage case 4. A cylindrical rib 35 with a penetrating center is formed on one side of the bottom of the storage case 4, and the pivot pin 14 passes through the cylindrical rib 35. By pivoting both ends of the pivot pin 14 that can protrude outside the cylindrical rib 35 to the pivot ribs 15a, 15b of the case A3a, the storage case 4 can be rotated relative to the main case 3 through the opening 17. Possibly supported.
In the pivoting state, the cylindrical rib 35 and the pivoting rib 1
5a and 15b are aligned in a straight line.

In the charger 1 having the above configuration, for example, four AA size nickel cadmium batteries 28 are inserted into the large insertion hole 26 in the same way as when filling a pistol with bullets into the battery storage case 4 in the drawn out state. 1), when this battery storage case 4 is rotated through the opening 17 toward the main case 3 side using the pivot pin 14 as a fulcrum, the push buttons 18a and 18b of the stopper members 31a and 31b of the storage case 4 are locked. Slanted surfaces 25 formed on pieces 24a and 24b
a, 25b (the state shown in FIG. 4a), and when further rotated, the stopper members 31a, 31b press the inclined surfaces and move the locking pieces 24a, 24b (the state shown in FIG. 4b), It gets over these locking pieces 24a, 24b and is locked on the other surface of the locking pieces 24a, 24b. In this way, the battery 28 comes into contact with the connecting conductors 9 and 10, and the battery storage case 4 is held within the main body case 3. In this state, the charging plug 7 is rotated to protrude, and the blades 71, 72 are inserted into an outlet to charge the battery 28.

Next, when the push buttons 18a and 18b are pressed, the locking piece 2
4a, 24b move and the stopper members 31a,
The engagement with 31b is released. In this state, when a finger is inserted into the circular hole 12 of the main body case 3 and the battery storage case 4 is pushed out, the battery storage case 4 is pulled out from the main body case 3. Then, the fully charged battery 28 is removed from the insertion hole 26.

(g) Effects of the invention As explained above, the present invention includes a main body case that has an opening for storing batteries formed by cutting out the lower part of one side and the bottom surface continuous to this, and a case that can be stored in the opening. The rear end of the bottom of the storage case is rotatably supported on the bottom of the other side of the main case, and the push button is always biased in the protruding direction against the side of the main case. A locking piece having an inclined surface is formed on the push button, and a locking piece is formed on the side surface of the storage case to engage with the locking piece against the biasing force of the push button and to be engaged with the locking piece when pressed by the push button. By forming a stopper member that is released from the engagement when the battery is turned on, batteries can be stored and taken out all at once, saving time and effort.
Unless the push button is pressed, the engagement between the locking piece and the stopper member will not be released by the impact of the main body case, so that the battery case can be reliably stored and held.

Furthermore, when the engagement between the locking piece and the stopper member is released, the battery storage case rotates due to its own weight and is pulled out from the main body case. Therefore, the battery storage case can be easily removed with a simple structure without using a special pullout mechanism. The storage case can be pulled out from the main case.

[Brief explanation of the drawing]

Fig. 1 is a side longitudinal sectional view of a charger employing the battery storage device of the present invention in a state where the battery storage case is pulled out, Fig. 2a is a front perspective view of the charger in a state where the battery storage case is stored, and Fig. 2b 3 is an exploded perspective view of the main parts, and FIG. 4 is a schematic plan view showing the relationship between the locking piece and the stopper member. 17...Opening, 3...Body case, 4...Battery storage case, 18a, 18b...Push button, 25
a, 25b... inclined surface, 24a, 24b... locking piece, 31a, 31b... stopper member.

Claims (1)

[Scope of utility model registration request] It consists of a main body case having a battery storage opening formed by cutting out the lower part of one side and a bottom surface continuous thereto, and a battery storage case that can be stored in the opening, and the rear end of the bottom of the storage case. is rotatably supported on the bottom of the other side of the main body case, and a push button is provided on the side surface of the main body case so as to be constantly biased in the projecting direction, and the push button has a locking piece formed with an inclined surface. and a stopper member is formed on the side surface of the storage case to engage with the locking piece against the urging force of the push button and to be released from the engagement by pressing the push button. Characteristic battery storage device.