JPH11329562A - Blade-insertion mechanism for plug - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce require space of a storing portion for blade insertion by projecting inserted blades from a pair of blade insertion substrates, forming a turning shaft in the blade insertion substrate in the width direction of the inserted blades and a plurality of mutually engaging tooth portions around the periphery of the turning shaft, and forming a usage condition abutting portion where the inserted blades are mutually abutted in parallel and a storing condition abutting portion where they are mutually abutted horizontally. SOLUTION: Turning shafts 6a, 6b projected on respective blade insertion substrates 4a, 4b are turnably journalled to a bearing formed on an upper case 1 and a lower case 2 such that respective tooth portions 7a, 7b are inter-engaged to set inserted blades 5a, 5b in parallel. When either one inserted blade 5a is turned outside, the other inserted blade 5b is interlocked through the engaged tooth portions 7a, 7b to provide a storing condition. Therefore, when the inserted blades 5a, 5b are in the storing condition, only a space corresponding to thickness of the turning shafts 6a, 6b, the tooth portions 7a, 7b, the blade insertion substrates 4a, 4b is required for accommodation, and electric equipment can be thinned.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric device such as a shaver that requires charging, or a plug blade mechanism of a plug having a pair of plug blades for obtaining power by being inserted into a tap or an outlet. More specifically, the present invention relates to a plug blade mechanism of a plug for rotating a plug blade in a used state in a thickness direction and storing the plug in a stored state.

[0002]

2. Description of the Related Art Conventionally, various types of plugs having this type of blade have been developed and used for each type. The type of the blade that can be stored is a slide type or a blade that rotates in the width direction. It was due to.

[0003]

However, in the conventional retractable blade mechanism, the interval between the pair of blades is fixed at 12.7 mm, and the width of the blade is also fixed at 6.3 mm. Therefore, there is a problem that the space cannot be reduced due to the necessity of these spaces even when stored.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and as a result of diligent studies, a rotary shaft is mounted on bearings provided in an upper case and a lower case of a plug, and a plug blade is stored in a storage space. In the blade mechanism, a blade is protruded from a pair of blade bases, and a rotation axis is formed on the blade base in the width direction of the blade, respectively.
A plurality of tooth portions meshing with each other are formed on the circumference of the rotating shaft, and a pair of blade blade bases is formed with a use state contact portion in which the blades abut against each other in a parallel state. The problem is solved by forming a storage state contact portion that contacts each other in a horizontal state in which are rotated in the thickness direction.

Accordingly, an object of the present invention is to store a pair of blades by rotating them in the thickness direction symmetrically when storing the pair of blades. A blade mechanism is provided.

[0006]

According to the present invention, a plurality of teeth are meshed with each other on the circumference of the rotating shaft of a pair of blades, and the respective blades are parallel to the pair of blade bases. By forming upright abutting portions that abut each other in a state, and forming flat abutting portions that abut each other in a horizontal state in which each blade is rotated approximately 90 degrees in the thickness direction. In use, it can be used as a normal blade plug, and when one of the pair of blades is turned in the width direction, the other blade is simultaneously buried in the storage space and can be stored. It is possible to reduce the required space of the storage unit from
It is possible to reduce the size of the electric equipment to be implemented.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A plug blade mechanism of a plug according to the present invention will be described with reference to the drawings of the embodiments.

FIG. 1 is a bottom view for explaining an electric apparatus according to an embodiment of a plug blade mechanism of a plug according to the present invention, and FIG. 2 is a view explaining an electric apparatus in use of a plug blade mechanism of a plug according to the present invention. FIG. 3 is an explanatory view of an electric device in a housed state of the plug blade mechanism of the plug of the present invention, and FIG. 4 is a view of the plug blade mechanism of the plug of the present invention. It is a side view,
FIG. 5 is a bottom view of the plug blade mechanism of the plug of the present invention.

The present invention relates to an electric device such as a shaver or the like requiring charging, or a plug blade mechanism of a plug having a pair of plug blades for obtaining power by being inserted into a tap or an outlet. Specifically, the blades 5a. 5b
And a plug blade mechanism for rotating the plug in the thickness direction to be in a housed state, the bearing being provided between the upper case 1 and lower case 2 of the plug. 2a to the rotating shaft 6a. 6b
Is rotatably mounted on the blade 5a. 5b is stored in the storage space 3 opened in the lower case 2 by rotating the pair of blade bases 4a. 4b to 5a. 5b, and each of the blades 5a. 5b in the width direction of the blade base 4a. 4b projecting to both sides into the rotating shaft 6a. 6b, and each of the pivots 6a. 6
b has a plurality of teeth 7a.
7b and the pair of blade bases 4a.
4b have respective blades 5a. 5a are used in parallel to each other and abut on each other. 8b are formed, and the respective blades are rotated by approximately 90 degrees in the thickness direction. 9b are respectively formed.

That is, in the plug blade mechanism of the plug embodying the present invention, the upper case 1 and the lower case 2 of the plug are joined and screwed with screws or the like, or a locking hole is provided in one case. The plug is assembled by engaging a locking claw with the locking hole.

The upper case 1 and the lower case 2 are formed with ribs and the like standing upright from the bottom, and semicircular bearings 1a. 2a are formed respectively, and a rotating shaft 6a. 6b is pivotally mounted on the lower case 2 and a pair of blades 5a. A storage space 3 is formed on the lower surface for rotating and storing the storage space 3b.

Next, a pair of blade bases 4a. FIG.
As shown in FIG. 5 and FIG.
A plurality of teeth 7a. 7b is asymmetric.

Then, the blade base 4a. 4b has a blade 5
a. 5b are in a parallel state, that is, in use state, the top surfaces 41a. 41b, and the top surfaces 41a. 41b
The blade 5a. 5b, the blades 5a. 5b is made of conductive metal, and the blades 5a. 5b is case 1.2
Are electrically connected to devices, terminals, and the like, which are installed in the device.

Further, the blade base 4a. 4b have blades 5a.
5b projecting from both sides in the width direction. 6b, and the rotating shafts 6a. 6b protrude from both sides of bearings 1a. 2a, and each of the rotating shafts 6a. As shown in FIG. 5, a groove is provided on the bearing 1a.6b. By providing it in 2a, the stop position of the rotation can be determined.

In addition, the rotating shafts 6a. 6b, a plurality of teeth 7a. 7b, and in this embodiment, one of the blade bases 4
a is formed with three teeth 7a, and the other blade body 4b on the other side is formed with two teeth 7b that mesh with the three teeth 7a and mesh therewith.

The blade base 4a. 4b formed in use condition contact portions 8a. 8b are the respective blades 4a. 4b are set up in a parallel state, that is, they come into contact with each other in the use state shown in FIG. 41b is formed in a flange shape at each inner end, and the distal end portions thereof are used in the use state contact portions 8a. 8b, and the blades 5a. 5b abuts when it stands upright at right angles.

Further, the storage state contact portions 9a. 9b is a blade 5a. 5b for storing the blades 5a. 5b in a horizontal state in which it is rotated approximately 90 degrees in the thickness direction, that is, the blades 5a. 5b in a retracted state, and as shown in FIG. 3, the blade bases 4a. 4b top surface 41a. 41b, and has a bottom surface parallel to the use state contact portions 8a. 8b and the storage state contact portions 9a. 9b is provided in a positional relationship having an angle of approximately 90 degrees, and the top surfaces 41a. 41b and the storage state contact portions 9a. 9b on the outer side between the curved surfaces 42a. 42b.

That is, the plug blade mechanism of the plug according to the present invention comprises a plug blade base 4a. 4b projecting from the rotating shaft 6a. 6b to each tooth 7a. 7b and the blades 5a. 5b are formed in the upper case 1 and the lower case 2 such that the bearings 1a. 2a so as to be rotatably mounted on the blade 5a. 5b, when one of the blades 5a is rotated outward, the other blades 5b also engage with the plurality of teeth 7a. 7b, they are housed in the storage space 3 formed in the case 1.2 in the storage state, and are brought into the storage state. The use state is established by rotating one of the blades 5a. For example, the other blade 5b is also symmetrically linked to be used.

Therefore, the blades 5a. 5b is in the stowed state, the rotating shafts 6a. 6b, teeth 7a. 7b, use state contact portions 8a. 8b and the storage state contact portions 9a. 9b containing the blade base 4a. If there is a space corresponding to the thickness of 4b, it can be stored, and the electric device can be made thinner.

[0020]

According to the plug blade mechanism of the present invention having the above-described structure, it can be used as a normal plug blade plug in use, and one of the pair of blades can be turned in the width direction. When it is moved, the other blade also rotates at the same time and becomes buried, so that it can be stored, making it possible to reduce the required space of the storage part and to reduce the thickness of electrical equipment to be implemented. This is a highly practical invention.

[Brief description of the drawings]

FIG. 1 is a bottom view for explaining an electric device of an embodiment of a plug blade mechanism of a plug according to the present invention.

FIG. 2 is an explanatory view of a container for explaining an electric device in use of a plug blade mechanism of a plug according to the present invention.

FIG. 3 is an explanatory view of a housing for explaining an electric device in a housed state of a plug blade mechanism of a plug according to the present invention.

FIG. 4 is a side view of the plug blade mechanism of the plug of the present invention.

FIG. 5 is a bottom view of the plug blade mechanism of the plug of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Upper case 1a Bearing 2 Lower case 2a Bearing 3 Storage space 4a Blade base 4b Blade base 41a Top surface 41b Top surface 42a Curved surface 42b Curved surface 5a Blade 5b Plug blade 6a Rotating shaft 6b Rotating shaft 7a Tooth portion 7b Tooth part 8a Use state contact part 8b Use state contact part 9a Storage state contact part 9b Storage state contact part

Claims (1)

[Claims] 1. A plug which is rotatably mounted on a bearing provided between an upper case and a lower case of a plug so as to be rotatable, and which is stored in a storage space opened in the lower case by rotating a plug blade. In the blade mechanism, flat blades are respectively protruded from a pair of blade bases, and rotating shafts projecting to both sides of the blade base in the width direction of the respective blades are formed, respectively. A plurality of tooth portions meshing with each other in a gear shape are formed on the body circumference of the rotating shaft, and each of the blades contacts the pair of blade bases in a parallel state with each other. A plug blade mechanism for a plug, characterized in that each of said plug blades has a housing state contact portion which is formed in a horizontal state in which each blade is rotated by about 90 degrees in the thickness direction so as to contact each other.