JP2002063970A - Conversion adapter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a conversion adapter equipped with hook blendes and receiving blades. SOLUTION: The adapter is equipped with a plug-in section 1 with two or more circular plug-in blades 3 projected equipped with a hooking section, and a receiving section 2 which is equipped the receiving blades 5 connected with each of the above blades 3 at the opposite side of the plug-in section 1. The adapter is composed so that, while ach plug receiving blades 5 of the receiving section 2 is formed to have a cross section of a slightly circular form so that an ordinary flat plug-in blade can be inserted into each plug blade 5 of the plug receiving section 2, the hooking section hooking to the inserted flat blade is prepared in the above plug receiving blades 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a conversion adapter having an insertion blade provided with a hook on one side and a receiving blade on the other side. In particular, the present invention relates to a conversion adapter having hook portions on both sides, which can be rotated after being inserted to prevent the insertion position from coming off.

[0002]

2. Description of the Related Art A conventional conversion adapter from a hook type insertion blade to a general type uses a hooking insertion blade having a hook portion at a power supply portion and an earth portion to prevent danger. I have. After these are inserted into the outlet holes, the plugs are rotated to engage the hooks to prevent the plugs from coming off. However, no countermeasures were taken against the insertion blade on the opposite side. Further, in the conventional conversion adapter, the fixed portion of the insertion blade or the insertion receiving blade is connected by fixing the respective roots with screws. Further, a plurality of screws are inserted from the main body side of the insertion receiving portion to connect the insertion portion and the insertion receiving portion.

[0003]

In the current situation where such conversion adapters are widely used with the spread of computers in recent years, failures due to disconnection of plugs frequently occur. In addition, since the insertion blades and the like are fixed to the main body with screws, the operation is complicated. An object of the present invention is to solve the above-mentioned problem, and to provide a conversion adapter including a hook insertion blade and a hook insertion receiving blade. Another object of the present invention is to provide a conversion adapter in which the insertion blade and the insertion receiving blade are connected and fixedly arranged in the insertion portion.
It is a further object of the present invention to provide a conversion adapter which can be easily assembled with a simple structure without using many screws.

[0004]

The object of the present invention can be achieved by the following constitution. A plug-in receiving portion comprising a plurality of arc-shaped plug-in blades having a hook portion, and plug receiving blades connected to the plug-in blades on the opposite side of the plug-in portion. In the conversion adapter provided with the above, each of the insertion receiving blades of the insertion receiving portion has a slightly arcuate cross section so that a normal flat blade type insertion blade can be inserted and is inserted. This is a configuration of a conversion adapter in which a hook portion engaging with a flat blade type insertion blade is formed on the insertion receiving blade.

Another object of the present invention is to provide a structure in which a connecting portion between the insertion blade and the insertion receiving blade is connected by caulking connection or welding connection to form a conductive terminal plate, or This can be achieved by a configuration in which the conductive terminal plate is formed by integrally connecting a conductive member with the insertion receiving blade.

[0006] Further, the object is to provide an insertion portion having a plurality of arc-shaped insertion blades provided with a hook portion, and an insertion receiving portion connected to each of the insertion blades on the opposite side of the insertion portion. In a conversion adapter provided with an insertion receiving portion provided with a blade, the cross section has a slightly arcuate shape so that a normal flat blade type insertion blade can be inserted, and the flat blade type insertion blade Each of the insertion terminal blades, each of which has a hook portion that is engaged with the insertion terminal and the insertion blade of the insertion portion connected to the insertion hole of the insertion portion, is inserted into the insertion hole of the insertion portion. Each of the blades is inserted, and the connecting portion is fitted into a fixing hole provided inside the insertion portion to fix each of the conductive terminal plates. This can be achieved by a configuration that is arranged to face the insertion hole of the portion.

[0007] In the conversion adapter according to the present invention, the two conductive plates of the insertion receiving blade are formed into a circular cross section or a rectangular cross section, and are inserted into the flat blade. Since the hook portion is formed to make contact with the mold insertion blade, the inserted insertion blade can be reliably locked. Further, a conversion adapter having the insertion blade and the insertion receiving blade on both sides of the present invention has a positioning projection on one of the joining surfaces of the insertion portion and the insertion receiving portion, and a projection on the other. A configuration in which a fitting hole for fitting is formed, and a screw screw for fixing the connection between the insertion portion and the insertion receiving portion can be screwed in from either one of the outer surfaces thereof to fix the both. The connection between the insertion portion and the insertion receiving portion can be easily performed.

In the conversion adapter according to the present invention, the hooking insertion blade and the hooking insertion receiving blade are arranged on both sides, so that not only one but also the other insertion portion can be prevented from coming off. It is possible to prevent accidents during wiring. Moreover, since the two insert receiving blades are slightly parallel and the cross section is formed in a slightly arcuate or arcuate shape, a flat blade type insertion blade can be inserted. After the insertion blade is inserted, it can be rotated and slid in the insertion receiving blade so that the hook portion can be engaged with the engagement hole of the inserted insertion blade and locked.

Further, since the hooking insertion blade and the hooking insertion receiving blade are connected to each other by caulking, welding, or the like to form a conductive terminal plate, there is no need to screw connection wires, and assembly of the synthetic resin main body is not required. Easy. Since the conductive terminal plate is formed integrally, it is easy to form the insertion blade and the insertion receiving blade.

[0010] The conversion adapter of the present invention can be assembled with a single screw nail without using a large number of screw nails for the insertion portion and the insertion receiving portion, and thus the assembly is simple.
In addition, upon positioning, the protrusion protruding from one of the joining surfaces of the two is fitted into the other fitting hole, so that positioning is easy.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A conversion adapter according to the present invention will be described in detail based on an embodiment shown in the drawings. FIG. 1 is an exploded perspective view of a conversion adapter according to an embodiment of the present invention. FIG. 2 is a side view of the conversion adapter of the present invention on the side of the insertion receiving portion. FIG. 3 is a side view showing a state where the insertion receiving portion of FIG. 2 is removed. FIG. 4 is a perspective view of an embodiment of the conductive terminal plate used for the conversion adapter of the present invention. FIG. 5 is an enlarged perspective view of a main part of the insertion receiving blade of the conversion adapter according to the present invention.

In FIG. 1, insertion holes 1a for inserting the insertion blades 3 are formed on the outer surface of the insertion portion 1 of the conversion adapter of the present invention. At the base of the insertion blade 3, two conductive metal plates made of a resilient copper alloy are stacked and connected to form an insertion receiving blade A5a and an insertion receiving blade B5b.
As shown in the drawing, the insertion receiving blade 5 has a cross section formed in an arc shape, and two blades are arranged in parallel. The shape is not limited to this, and any structure may be used as long as the flat blade type insertion blade can be inserted and rotated and engaged, and may be formed in a rectangular shape in cross section.

The insertion receiving blade B5b is provided with a protruding hooking projection 6, which is a hooking portion, on the inner side. The hook portion is not limited to the hook protrusion 6, and may be provided on the insertion receiving blade A5a side. The shape may be any shape that engages with the engaging hole of the flat blade type insertion blade. The interval between the insertion receiving blade A5a and the insertion receiving blade B5b can be appropriately selected depending on this elasticity. However, the flat blade type insertion blade can be rotated and slidably contacted after the insertion into the insertion receiving blade 5. It is formed in.
Although the insertion receiving blade 5 and the insertion blade 3 are connected by caulking, welding, or the like, the whole may be integrally formed by a conductive member.

The insertion blade 3 provided with the insertion receiving blade 5 is inserted into each insertion hole 1a of the insertion portion 1 and fixed. The insertion blades 3 of the power supply unit and the earth unit are fixed. On the other hand, the insertion receiving portion 2 is fitted from the insertion receiving blade 5 side. At this time, positioning is performed by fitting the fitting holes 11 of the insertion receiving portion 2 into the projections 8, 8 protruding from the joining surface of the insertion portion 1. Thereafter, the screw 10 is inserted from the outside of the insertion receiving portion 2 and screwed into the screw hole 9 of the insertion portion 1 to couple the insertion receiving portion 2 to form a conversion adapter. An insertion hole 4 is formed on the outer surface of the insertion receiving portion 2 in opposition to each of the insertion receiving blades 5, and after inserting a flat blade type insertion blade having a separate hooking hole. By rotating, the hooking projection 6 is engaged.

[0015]

The conversion adapter according to the present invention is provided with the hooking insertion blade and the hooking insertion receiving blade, so that both sides are provided with preventive measures against slipping, and can be used safely. Also,
Since the conductive terminal plate is integrally formed, it can be easily assembled without using screws or the like.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a conversion adapter according to an embodiment of the present invention.

FIG. 2 is a side view of the conversion adapter of the present invention on the side of the insertion receiving portion.

FIG. 3 is a side view showing a state in which the insertion receiving portion of FIG. 2 is removed.

FIG. 4 is a perspective view of an embodiment of a conductive terminal plate used for the conversion adapter of the present invention.

FIG. 5 is an enlarged perspective view of a main part of the insertion receiving blade of the conversion adapter of the present invention.

[Explanation of symbols]

 Reference Signs List 1 insertion portion 1a insertion hole 2 insertion reception portion 3 insertion blade 4 insertion reception hole 5 insertion reception blade 5a insertion reception blade A 5b insertion reception blade B 6 hooking projection 7 caulking 8 projection 9 screw hole 10 screw 11 Fitting hole

Claims (4)

[Claims] An insertion portion having a plurality of arc-shaped insertion blades provided with a hook portion is provided, and an insertion receiving blade connected to each of the insertion blades is provided on the opposite side of the insertion portion. A conversion adapter provided with an insertion receiving portion, wherein each of the insertion receiving blades of the insertion receiving portion has a slightly arcuate cross section so that a normal flat blade type insertion blade can be inserted. A conversion adapter, wherein a hook portion for engaging with a flat blade type insertion blade to be inserted is formed in the insertion receiving blade. 2. The conversion adapter according to claim 1, wherein a connection portion between the insertion blade and the insertion receiving blade is connected by caulking or welding to form a conductive terminal plate. 3. The conductive terminal plate according to claim 1, wherein the insertion blade and the insertion receiving blade are connected to each other to form a conductive terminal plate by integral molding with a conductive member. Conversion adapter. 4. An insertion portion which is formed by projecting a plurality of arc-shaped insertion blades having a hook portion, and an insertion receiving blade connected to each of the insertion blades is provided on the opposite side of the insertion portion. In the conversion adapter provided with the insertion receiving portion, the cross section is slightly arc-shaped so that a normal flat blade type insertion blade can be inserted, and is engaged with the flat blade type insertion blade. Insert each of the insertion blades from the inside into the insertion hole of the insertion portion by inserting a conductive terminal plate connecting the insertion receiving blade having a hook portion and the insertion blade of the insertion portion into the insertion hole. Then, the connecting portion is fitted into a fixing hole provided inside the insertion portion to fix each of the conductive terminal plates, and the insertion receiving blade of each conductive terminal plate is inserted into the insertion receiving portion. A conversion adapter characterized by being arranged opposite the hole.