JP2001078452A - Ac adapter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a convenient AC adapter, capable of storing inserts so as not to expose them, inserting the inserts of a connector, lug, or plug socket at the front end of an extension cable for connecting them, and being used to be adapted to service environments. SOLUTION: This adapter is provided with a recess 11, whose edge is open to the other side of an adapter body 1 having a connection part connectable to an electrical apparatus to one side, wherein a plug socket rotating part 3 enabling the inserts 31, 31 to be storable and protruded for fitting-into is pivoted to be rotatable, and an extension cable insertion opening 33 is formed on the opposite side of the inserts 31, 31 of the plug socket rotating part 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an AC adapter having a plug blade in an adapter main body and an extension cable insertion port into which a plug or a plug at the end of an extension cable is inserted.

[0002]

2. Description of the Related Art As a conventional AC adapter, for example,
There is an adapter with an AC outlet described in Japanese Utility Model Application Laid-Open No. 59-7579. As shown in FIGS. 3 (a) and 3 (b), the plugs 102, 1
03, a transformer 106 for converting AC to DC, a rectifier circuit component (not shown), and an adapter with an AC outlet provided with a DC cord 109, lead out the bypass lead wires 110 and 111 from the outlet of the AC power supply. Connect the lead wires 110 and 111 to the adapter body 10
1 is electrically connected to an outlet 112 built in. However, in this case, the plugs 102, 103
Are exposed to the outside and the plugs 102 and 103 are inserted into the outlet 112, but there is a problem that the connector or plug at the end of the extension cable cannot be connected.

[0003] Japanese Utility Model Application Laid-Open No. 61-202187 discloses a charger. As shown in FIG. 4, an outlet 204 is provided on the surface of the cover 201b,
The surface is a surface facing the blade mounting surface. However, even in this case, the plug blade 202 is in a state of being exposed to the outside and the plug is inserted into the outlet 204, but it is not possible to connect the connector or plug at the end of the extension cable. There was a problem.

[0004] Japanese Patent Application Laid-Open No. Hei 5-144502 discloses a power plug device. This is shown in FIG.
As shown in (a) and (b), a power plug 303 integrally provided in the device main body 302 is configured to be selectively displaceable to a use position or a storage position, and a casing 305 of the device main body 302 has a cutout shape. Of the recess 30 is provided.
6, the power plug 303 is at least 180 ° or more,
Desirably, it is provided so as to be rotatable within a range of 360 ° by a rotation mechanism (not shown) 307. However, in this case, although the power plug portion 303 can be rotated to store the plug blade so as not to be exposed to the outside, there is a problem that an extension cable cannot be connected.

In Japanese Utility Model Laid-Open No. 6-60091,
AC adapter is described. This is shown in FIG.
(B) As shown in (c), the rectangular parallelepiped case 401 is formed on the outer surface 401a of one side wall of the case 401 so as to cross the recess 410, and A
A pair of blades 411 and 411 inserted into the C outlet
Is supported by an insulating table 412, and the blade block 402 is pivotally mounted in the recess 410, and is rotated by 90 ° with respect to the storage position lying down in the recess 410, and the outer surface 401 of one side wall is rotated.
a from the first projecting position standing up from the storage position.
It is configured to be able to rotate and be displaced to a second projecting position rising from the outer surface 401a of the adjacent side wall. However,
In this case, the blades 411 and 411 can be stored and can be raised in the first and second positions.
There was a problem that extension cables could not be connected.

Another AC adapter is described in Japanese Patent Application Laid-Open No. 3-147283. This is because the blade block 510 and the outlet insertion portion 51 of the blade 511
Cover 520 having a recess 522 for raising and lowering 1a provided on the outer surface
And a receiving blade 541 for holding the base end portion 511b of the plug blade 511
Is provided with a main body 530 that engages the cover 520, wherein the blade block 510 is a synthetic resin formed by insert-molding a portion excluding an outlet insertion portion 511a and a base end portion 511b. A rotating shaft 501 protruding from both sides of the blade 511 is provided, and a cover 520 has a bearing (not shown) for supporting the rotating shaft 501 on the inner surface.
523, and the receiving blade 541 is attached to the base end portion 5 of the plug blade 511 only when the outlet insertion portion 511a is raised.
11b. However, in this case, there is a problem that the blade 511 can be stored in the recess 522, but the extension cable cannot be connected.

[0007]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and it is possible to store a plug blade so as not to be exposed, and to provide a connector or plug at the end of an extension cable or a plug blade of an outlet. It is an object of the present invention to provide a convenient AC adapter which can be inserted and connected to the device and can be used by being applied to a use environment.

[0008]

To achieve the above object, according to the present invention, an adapter body having a connection portion connectable to an electric device on one side has an edge on the other side. An open recess is provided, and an outlet rotating part is rotatably connected to the recess in which the blade can be stored and protruded, and an extension cable insertion port is provided on the opposite side of the outlet blade of the outlet rotating part. In a state where the outlet main body is set up so that the blade protrudes, the outlet at the tip of the extension cable can be connected to the blade, and the outlet rotating part is housed in the recess. In the state where it is laid down sideways, a connector or plug at the end of another extension cable or a plug blade of an outlet can be connected to the extension cable insertion port of the outlet rotating section so that connection can be made. It is characterized.

According to a second aspect of the present invention, in the outlet rotating portion, a terminal plate portion that is always in contact with and connected to a terminal of the adapter main body portion, and a terminal plate portion that connects the terminal plate portion and the plug blade. One connection line and a second connection line for connecting the terminal plate portion and a terminal provided at the extension cable insertion port are provided. According to a third aspect of the present invention, in the adapter body, the terminal including a connection pin urged by a spring in a protruding direction is provided, and the connection pin is provided on the terminal plate of the outlet rotating unit. , At any rotational angle position of the outlet rotating part, the outlet is always connected by the biasing force of the spring.

According to a fourth aspect of the present invention, the connection portion of the adapter main body protrudes to one side from the adapter main body, and a tip of a connector, plug or outlet plug connected to the electric device at a distal end. And a cable having the following.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an AC adapter according to the present invention will be described below with reference to the drawings. FIG.
Shows a usage mode of the AC adapter of the embodiment of the present invention,
2A is an exploded perspective view showing a state when a connector at the end of the extension cable is connected, FIG. 2B is an exploded perspective view showing a state when a female outlet at the end of the extension cable is connected, and FIG. 1) is a partial vertical cross-sectional view of the main part in the state of FIG. 1A, and FIG. 2B is a partial vertical cross-sectional view of the main part in the state of FIG.

FIG. 1A shows an AC adapter according to this embodiment.
As shown in (b), a cable 2 having a connector 21 at the tip is connected to one side of an adapter body 1 having a substantially cubic shape, and a recess 11 is provided on the other side. An outlet rotating part 3 into which the blades 31, 31 can be housed is rotatably mounted on a pivot 32 so as to be rotatable.
1, an extension cable insertion port 33 is provided, and the female blade outlet 5 at the distal end of the first extension cable 4 can be connected to the blades 31, 31 as shown in FIG. As shown in FIG. 1A, the extension cable insertion port 33 is configured such that the connector 7 at the tip of the second extension cable 6 can be connected thereto.

FIG. 2 (a)
As shown in (b), a terminal plate portion 34 that is always in contact with and connected to the terminal 12 formed of the connection pin of the adapter body 1.
And a first connecting the terminal plate portion 34 and the blades 31, 31.
Connection line 35, terminal plate 34 and extension cable outlet 3
3 is provided with a second connection line 37 for connecting to the terminal 36 provided on the 3. In addition, the other side of the outlet rotating part 3 is formed in an arc-shaped cross section so that the rotation is smooth. The terminal plate part 34 of the outlet rotating part 3 is
A recess 37 is formed toward the end so as to be always connected to the terminal 12 consisting of a connection pin. The terminal 12 consisting of a connection pin of the adapter body 1 is
The contact spring 34 is urged in the protruding direction by the compression spring 8 so as to come into contact with the terminal plate portion 34 at any rotational angle position of the outlet rotating portion 3.

When the connector 7 at the end of the second extension cable 6 is connected to the AC adapter according to the present embodiment, as shown in FIG. The second extension cable 6 is used by connecting the connector 7 at the end of the second extension cable 6 with the extension cable insertion port 33 on the other side exposed, with the first extension cable 11 lying horizontally in the recess 11. When the end of the second extension cable 6 is a plug, the extension cable insertion port 33 on the other side of the outlet rotating unit 3 is formed in a shape capable of connecting a plug corresponding to the plug.
If the end of the second extension cable 6 is an outlet, the outlet may be configured to be connectable to the outlet corresponding to the outlet.

When the female outlet 5 at the end of the first extension cable 4 is connected, as shown in FIG. 1B, the outlet rotating part 3 is in an upright state. , 31 are used to connect the female outlet 5 at the end of the first extension cable 4.

According to the AC adapter of this embodiment, the blades 31, 31 can be housed in the recess 11 of the connector main body 1 so as not to be exposed, and the connector or plug at the tip of the extension cable can be stored. Alternatively, it can be connected by inserting a plug blade of an outlet, and can be used by being applied to a use environment. Although the compression spring 8 has been described as a spring for urging the terminal 12 formed of the connection pin toward the terminal plate portion 34, the spring is not limited to this, and the head of the terminal 12 formed of the connection pin may be connected to the terminal plate portion 34. It is also possible to use a spring or a leaf spring that urges the spring toward.

[0017]

As described above, according to the first aspect of the present invention, the outlet at the tip of the extension cable can be connected to the plug blade when the plug main body is set up so that the plug blade protrudes. In the state where the outlet rotating part is laid down sideways so that the blade is housed in the recess, the connector or plug at the end of another extension cable or the plug blade of the outlet is inserted into the extension cable outlet of the outlet rotating part. Because it can be inserted and connected, the plug blade can be stored and not exposed, and the connector at the end of the extension cable or plug or plug blade of the outlet can be inserted and connected, and It has an effect that can be applied and used.

According to the second aspect of the present invention, the outlet rotating portion has a terminal plate portion which is always in contact with and connected to a terminal of the adapter body portion, and a first terminal which connects the terminal plate portion and the blade. Since the connection line and the second connection line for connecting the terminal plate portion and the terminal provided at the extension cable insertion port are provided, the outlet at the end of the extension cable was connected to the plug blade of the outlet rotating portion. When the connector at the end of another extension cable or the plug or plug blade of the outlet is connected to the extension cable outlet, the terminal board can be energized and used. An appropriate response can be made according to the state.

According to the third aspect of the present invention, the adapter main body is provided with a terminal comprising a connection pin urged by a spring in a projecting direction, and the connection pin is provided on a terminal plate of the outlet rotating section. In any rotation angle position of the outlet rotating part, the connection is always made by the biasing force of the spring, so that the outlet rotating part is in any rotation angle position,
The extension cable connected to the outlet rotating unit can be reliably turned on to the adapter body via the outlet rotating unit.

According to the fourth aspect of the present invention, the connecting portion of the adapter main body protrudes from the adapter main body to one side, and has a distal end provided with a connector or plug or a plug blade of an outlet connected to an electric device. The adapter main body can be easily connected to an electric device at a distant position via the cable even if the electric device is located at a distant position.

[Brief description of the drawings]

FIGS. 1A and 1B show an aspect of use of an AC adapter according to an embodiment of the present invention, in which FIG. 1A is an exploded perspective view showing a state in which a connector at the end of an extension cable is connected, and FIG. It is an exploded perspective view which shows the state at the time of connecting a side outlet.

2A is a partial longitudinal sectional view of a main part in the state of FIG. 1A, and FIG. 2B is a partial longitudinal sectional view of a main part in the state of FIG. 1B.

FIG. 3 shows a conventional adapter with an AC outlet;
(A) is its perspective view, (b) is its equivalent circuit diagram.

FIG. 4 is a perspective view of a conventional charger.

5A and 5B show a conventional power plug device, FIG. 5A is a perspective view thereof, and FIG. 5B is a front view thereof.

6A and 6B show a conventional AC adapter, wherein FIG. 6A is a perspective view showing the appearance, FIG. 6B is an exploded perspective view, and FIG. 6C is a plan sectional view of the cover side.

7A and 7B show another conventional AC adapter, in which FIG. 7A is an external perspective view, FIG. 7B is a perspective view of the blade block viewed from obliquely below, and FIG. 7C is a side sectional view of the blade block. Figure,
(D) is a partial side sectional view of the state where the blade is raised.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Adapter main body 11 Concave part 12 Terminal (connection pin) 2 Cable 21 Connector 3 Outlet rotation part 31 Blade blade 33 Extension cable insertion port 34 Terminal board part 35 First connection line 36 Terminal 37 Second connection line 4 First extension cable 5 Terminal plate 6 Second extension cable 7 Connector 8 Compression spring

Claims (4)

[Claims] An adapter body having a connection portion connectable to an electric device on one side is provided with a recess having an open edge on the other side, and a plug blade is inserted into the recess so as to be stowable and protrudable. In a state in which the outlet rotating portion is pivotally connected to the outlet rotating portion, an extension cable insertion port is provided on the opposite side of the blade from the outlet rotating portion, and the outlet main body is set up so that the blade protrudes, the plug is closed. In the state where the outlet at the tip of the extension cable can be connected to the blade and the outlet rotating part is laid sideways so that the plug blade is housed in the recess, the extension cable insertion port of the outlet rotating part is An AC adapter, characterized in that a connector or plug at the end of another extension cable or a plug blade of an outlet is inserted and connectable. 2. A terminal plate portion, which is always in contact with and connected to a terminal of the adapter main body portion, on the outlet rotating portion,
A first connection line connecting the terminal plate portion and the blade is provided, and a second connection line connecting the terminal plate portion and a terminal provided at the extension cable insertion port is provided. The AC adapter according to claim 1, wherein 3. The adapter main body is provided with the terminal comprising a connection pin urged by a spring in a projecting direction,
3. The connection pin according to claim 2, wherein the connection pin is always connected to the terminal plate portion of the outlet rotating portion by the biasing force of the spring at any rotation angle position of the outlet rotating portion. The described AC adapter. 4. The connection portion of the adapter main body portion is formed of a cable that protrudes from the adapter main body portion to one side and has a connector or a plug or a plug blade of an outlet connected to the electric device at a distal end. The AC adapter according to claim 1, wherein: