JPH0722118A - Plug - Google Patents

Abstract

PURPOSE:To provide a plug which any person can remove from an outlet with a single hand simply without imposing an excessive burden on the cable or outlet. CONSTITUTION:A plug 10 to be inserted to an outlet 80 comprises a body 11, to which the plug is secured, and a disengaging means which is to remove plug 10 from the outlet 80 with a pressing force for pressing inward to the body 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plug set in an outlet.

[0002]

2. Description of the Related Art Since a plug supplies electric power by interposing a cable in an electric appliance or the like, when the cable is not long enough, the plug is directly connected to a power outlet provided on a wall surface or the like. I can't. In this case, an outlet is provided at one end of the cable, and a relay connection cable having a plug at the other end is relayed to supply power to the electric product. Then, when the use of the electric product was finished, the plug of the electric product was removed from the outlet of the relay connection cable. When disconnecting this outlet, unlike the wall outlet, the relay connection cable is not fixed to the wall, pillar, etc., so hold the plug with one hand and the other hand with the relay connection cable outlet. I used to remove this plug from the outlet of the relay connection cable.

[0003]

When removing the plug from the outlet as described above, it is not always the case that both hands can be used, and it is often necessary to remove it with one hand. In such a case, the plug is detached from the outlet by grasping the plug and pulling strongly with one hand, or skillfully pressing the thumb and forefinger against the outlet and the connecting surface of the plug. Such a removal method is not only difficult to remove, but also an excessive load is put on the outlet and the cable, which may cause damage to the cable and the outlet, which is also dangerous.

In view of the above, it is an object of the present invention to provide a plug which can be easily removed with one hand from an outlet without imposing an excessive load on the cable or the outlet.

[0005]

In order to achieve the above object, in the plug according to the invention of claim 1, when a force in the direction of gripping the body is applied, one end of the plug advances toward the connected outlet, The body is integrally provided with a coupling releasing means for pushing the plug connection surface of the outlet with the tip of one end to release the coupling with the outlet. The plug according to the invention of claim 2 is, in addition to the configuration of claim 1,
The decoupling means is composed of a plurality of strip-shaped elastic pieces that are curved in an arc, and these strip-shaped elastic pieces face the inside of the arc, and one end thereof is fixed to the body,
When a force in the gripping direction of the body is applied to the outer side of the arc, the other end is advanced along the body so that the tip of the other end presses the plug connecting surface along the body. According to a third aspect of the present invention, in addition to the configuration of the first aspect, the decoupling means is composed of a lever member rotatably provided on the body, and these lever members rotate about the center of the body. When a force is applied to one end of these lever members in the gripping direction of the body, the other end of the lever member protrudes from the body at a position approximately parallel to the longitudinal direction of the body and its tip end It is arranged along the body so as to press the plug connecting surface. In the plug according to the invention of claim 4, in addition to the structure of claim 1, the decoupling means is composed of a pinion part having a threaded rod part at the tip of the pinion gear, and a rack part meshing with the pinion gear. When a force is applied to one end of the rack portion in the gripping direction of the body, the rack guide portion provided on the body guides the rack portion in a direction substantially orthogonal to the longitudinal direction of the body, whereby the pinion portion rotates, One end of the threaded rod provided at the tip of the pinion gear is arranged along the body so that one end of the threaded rod advances toward the outlet and presses the plug connecting surface at the tip.

[0006]

According to the first aspect of the present invention, the decoupling means provided integrally with the body, when a force is applied in the direction of gripping the body, one end of the decoupling means advances toward the connected outlet, Press the plug connection surface of the outlet with the tip of one end to release the connection with the outlet. According to the configuration of claim 2, in addition to the action of claim 1, when the decoupling means applies a force to the outside of the arc of the strip-shaped elastic piece provided along the body in the direction of gripping the body, the curved surface It is possible to easily release the connection between the plug and the outlet by stretching the other end and pushing the plug connecting surface with its tip by advancing toward the outlet. According to the structure of claim 3, in addition to the structure of claim 1, the lever member provided along the body is rotatably provided at substantially the center of the body, and one end of these lever members is provided. When a force is applied in the gripping direction of the body, it protrudes from the body at a position where the other end near the end is almost parallel to the longitudinal direction of the body and presses the plug connection surface with its tip, easily connecting the plug and the outlet. Can be canceled. According to the structure of claim 4, in addition to the structure of claim 1, when a force for gripping the body is applied to one end of the rack part, the rack part is fixed by the rack guide part provided on the body. Guided in a direction substantially orthogonal to the longitudinal direction, this movement causes the pinion gear that meshes with the rack to rotate, and upon receipt of this rotation, one end of the screw rod portion provided at the longitudinal end of the pinion gear advances and one end By pressing the plug connection surface with the part, the connection between the plug and the outlet can be easily released.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present invention will be described below to provide an understanding of the present invention. The embodiments are examples embodying the present invention and do not limit the technical scope of the present invention.

FIG. 1 is a perspective view illustrating a first embodiment of a plug according to the present invention. The plug 10 according to the invention of the first embodiment
When a force for gripping the body 11 in the direction A is applied, it advances toward the outlet 80 to which one end is connected, and presses the plug connection surface of the outlet 80 with the tip of the one end to release the connection with the outlet 80. The decoupling means is provided integrally with the body 11.

The decoupling means of the first embodiment is composed of a plurality of strip-shaped elastic pieces 13 curved in an arc shape. The strip-shaped elastic pieces 13 have the inside of the arc facing toward the body and one end of which is fixed to the body 11. And the body 11 on the outside of the arc
When force is applied to the other end, the other end
It is provided along the body 11 so as to advance in the 0 direction and press the plug connecting surface with its tip. This strip-shaped elastic piece 13 is made of vinyl chloride or the like, and the other end is guided by the restriction portion 14 provided on the body 11 to appropriately push out the outlet 80. The strip-shaped elastic piece 13 of the plug 10 is formed of vinyl chloride or the like in a curved shape, but the material is not limited to vinyl chloride or the like as long as it has an elastic restoring force, and the shape is not limited to the above. is not.

FIG. 2 is a configuration diagram for explaining the usage state of the first embodiment according to the present invention. In the plug 10 configured as described above, when the curved surface of the strip-shaped elastic piece 13 is pressed against the body 11 in the inward direction A, the curved surface of the strip-shaped elastic piece 13 is extended. As a result, the other end of the strip-shaped elastic piece 13 extends substantially parallel to the longitudinal direction of the plug terminal 12. As a result, the plug 10 set in the outlet 80 is pushed out by the other end of the strip-shaped elastic piece 13 and the plug 10 is pushed with one hand.
Can be easily removed from.

FIG. 3 is a perspective view for explaining a second embodiment of the plug according to the present invention. When a force in the direction of gripping the body 21 is applied, the other ends 23b and 24b advance toward the connected outlet 81, and the tip ends of the other ends 23b and 24b press the plug connection surface of the outlet 81, The uncoupling means for uncoupling with the outlet 81 is the body 21.
It is provided integrally with.

The connection releasing means will be described in detail with reference to FIGS. 3 and 4. The body releasing means is composed of lever members 23 and 24 rotatably provided on the body 21, and these lever members 23 and 24 are attached to the body 21. When the lever members 23, 24 are rotatably provided substantially at the center and a force is applied to one end 23a, 24a of the lever members 23, 24 in the direction in which the body 21 is gripped, the other end portions 23b, 24b and the vicinity thereof are in the longitudinal direction of the body 21. It is provided along the body 21 so as to project from the body 21 at a position substantially parallel to and to press the plug connecting surface with its tip.

The lever members 23 and 24 of the second embodiment are
As shown in FIG. 3, lever members 23, 2 made of plastic or the like are used.
Processed to 4. Two lever members 23 and 24 are fixed in the center of the body 21 so as to be relatively rotatable with respect to each other. Also, on the opposite surface of the body 21, similarly,
Two lever members 23 and 24 are fixed as a pair so that they can rotate relative to each other. These two pairs of lever members 23,
24 are connected by a connecting portion 25. The lever members 23 and 24 are not limited to the above shapes as long as they can push out the concert, and the mounting positions and the number of the body 21 are not limited to the above.

FIG. 4 also illustrates the lever members 23 and 24 when the plug 20 of the second embodiment is inserted into the outlet. The lever members 23 and 24 are provided in the center of the body 21 so as to be rotatable relative to each other. One end 23 of the lever members 23, 24 when set in the outlet 81
a, 24a and the other ends 23b, 24b are in an open state, and the sections 23a and 24b and 24a and 23b are shortened. As a result, the plug terminal 22 becomes the lever member 2
It can be set in the outlet 21 without being hindered by 3, 24.

Next, when removing the plug 20 from the outlet 81, one end 2 of the lever members 23 and 24
When 3a and 24a are pressed in the direction in which the body 21 is gripped, the other ends 23b and 24b move in an arc so as to close each other, and the arc movement of the lever members 23 and 24 causes the end portions 23b of the lever members 23 and 24 to move. , 24b is an outlet 81
, And the plug 20 can be easily removed with one hand.

FIG. 5 is a block diagram for explaining a third embodiment of the plug according to the present invention. The plug 30 according to the invention of Embodiment 3
When a force for gripping the body 31 is applied, the one end 35
a advances toward the connected outlet and one end 35
The body 31 is provided with a coupling releasing means for pushing the plug connection surface of the outlet with the tip of a to release the coupling with the outlet.

The decoupling means according to the third embodiment is provided with a pinion gear 33 of a pinion portion 35 in which a screw portion (having a protruding portion formed in a spiral shape) 34, which is an example of a screw rod portion, is provided at the tip of the pinion gear 33. , And a rack portion 36 that meshes with the rack portion 36. When a force is applied to one end of the rack portion 36 in the gripping direction of the body 31, the rack guide portion 37 provided on the body 31 moves in the longitudinal direction of the body 31. The rack portion 36 is guided in a direction substantially orthogonal to, and the pinion portion 35 is thereby rotated. The screw portion 35 provided at the tip of the pinion gear 33 is
3 rotates to fit into a screw hole provided in the floor surface portion 37a of the rack guide portion 37, one end portion 35a of the screw portion 34 advances toward the outlet, and a plug portion is connected at its tip portion 35a. It is provided along the body 31 so as to press the surface. Incidentally, the rack portion 36
A spring 36b is inserted between the end of the rack and the side wall of the rack guide portion to return the rack portion 36 to a fixed position.

FIG. 6 is a configuration diagram for explaining a usage state of the plug 30 according to the third embodiment. When a force for gripping the body 31 is applied to the end portion of the rack portion 36, the rack portion 36 is guided by the rack guide portion 37 provided on the body 31 in a direction substantially orthogonal to the longitudinal direction of the body, and by this movement. , The pinion gear 33 that meshes with the rack portion 36 rotates, and in response to this rotation, the screw portion 34 provided at the longitudinal end of the pinion gear 33 rotates about the axis,
This rotation is received by the screw hole (screw hole) of the floor surface portion 37a, and the one end portion 35a advances to press the plug connecting surface.
This allows the plug 30 to be easily removed from the outlet.

The plugs 10, 20 and 30 having the above-mentioned structure can be easily removed with one hand without unduly burdening the cable or the outlet by removing the plug from the outlet.
Furthermore, when describing the effect in detail,

Since the plug 10 of the first embodiment uses the strip-shaped elastic piece 13 as the coupling releasing means, it can be easily processed and the plug according to the present invention can be obtained at low cost.

In the plug 20 of the second embodiment, the lever members 23 and 24 are efficiently supported with a supporting point rotatably supported by the body 21 as a fulcrum and with a smaller force.
0 can be pulled out from the outlet 81. For example, unlike the plug 10 of the first embodiment, the force for deforming the strip-shaped elastic piece 13 is unnecessary, and the plug can be removed from the outlet with a smaller force.

The plug 30 of the third embodiment can be used for various kinds of outlets because the force for pushing out the outlet can be set to a desired force by changing the gear ratio between the pinion gear 33 and the rack portion 36. be able to.

Another embodiment will be briefly described below. FIG. 7 is a configuration diagram illustrating the fourth embodiment. As shown in the figure, the plug 40 of the fourth embodiment includes a plug terminal 41 that is set in an outlet, a body 42 that fixes the plug terminal 41, a support cover 43 that is fixed to the body 42, and a support cover. It is made up of a strip-shaped elastic piece 44 which is supported by 43 and which is curved in an arc shape, and a push-out portion 45 which is provided at an end of the strip-shaped elastic piece 44. The plug 40 of the fourth embodiment is similar in structure to the plug 10 of the first embodiment, and by providing the support cover portion 43, the operation of pushing out the outlet is made more reliable.

FIG. 8 is a block diagram for explaining the fifth embodiment.
The plug 50 of the fifth embodiment has the same structure as the plug 40 of the fourth embodiment except for the structure of the pushing portion 55. The push-out portion 55 is provided with an insertion hole that faces the plug terminal 51. When the strip-shaped elastic piece 54 is pressed inwardly with respect to the body 52, the push-out portion 55 pushes the outlet in the longitudinal direction of the plug terminal 51, Remove the plug 50 from the outlet.

FIG. 9 is a block diagram for explaining the sixth embodiment.
The plug 60 of the sixth embodiment includes a plug terminal 61 set in an outlet and a body 62 for fixing the plug terminal 61.
And a support portion 63 provided on the body 62, and the push-out portion 6 rotatably attached to the support portion 63.
4 and a pressing portion 65 extending from the pushing portion 64.

When the pressing portion 65 is pressed inwardly with respect to the body 62, the pushing portion 64 moves in an arc with the supporting portion 63 as a fulcrum to push out the outlet. This makes the plug 6
0 can be easily removed from the outlet with one hand. Although the plug of each of the above-described embodiments has the above-mentioned configuration added to the two-pole terminal, the above-described configuration may be added to a plug having three or more poles.

The plugs 40, 50, 60 having the above-described structure can be easily removed with one hand like the plugs 10, 20, 30 without using an excessive load on the cable or the outlet.

FIG. 10 is a configuration diagram of a fourth embodiment for explaining a relay section (attachment) 85 in which the plug 70 and the outlet 82 according to the present invention are integrally configured. As shown in the drawing, the relay section 85 is configured by integrally forming an outlet 82 and a plug 70, and the plug 70 is the plug 2 of the second embodiment.
The same configuration as 0 is used. Also, outlet 8
The two parts use the same function as an ordinary outlet.

In the relay section 85 configured as described above, the outlet 82 of the relay section 85 is set in a normal plug provided in an electric product. As a result, the intermediate portion 85
With the electric product in which the plug is set, the plug 70 can be easily pulled out with one hand, and the cable or the like is not burdened. The plug 70 having the above-described configuration is not limited to the above-described configuration as long as the plug terminal is detached from the outlet by the pressing force that presses the body 71 inward, and the plugs 10, 20, You may use 30. Further, the outlet 82 is not limited to the above, and various types and various types may be used.

[0030]

The plug according to the present invention can be easily operated with one hand.
The plug can be removed from the outlet without overloading the cable or outlet.

[Brief description of drawings]

FIG. 1 is a perspective view illustrating a first embodiment of a plug according to the present invention.

FIG. 2 is a configuration diagram illustrating a usage state of the first embodiment of the plug according to the present invention.

FIG. 3 is a perspective view illustrating a second embodiment of the plug according to the present invention.

FIG. 4 is a perspective view illustrating a usage state of a second embodiment of the plug according to the present invention.

FIG. 5 is a configuration diagram illustrating a third embodiment of the plug according to the present invention.

FIG. 6 is a configuration diagram illustrating a usage state of a third embodiment of the plug according to the present invention.

FIG. 7 is a configuration diagram illustrating a fourth embodiment of the plug according to the present invention.

FIG. 8 is a configuration diagram illustrating a fifth embodiment of the plug according to the present invention.

FIG. 9 is a configuration diagram illustrating a sixth embodiment of the plug according to the present invention.

FIG. 10 is a configuration diagram of a fourth embodiment illustrating a relay section (attachment) 45 in which a plug and an outlet according to the present invention are integrally configured.

[Explanation of symbols]

 Reference Signs List 10 plug 11 body 13 band-shaped elastic piece 20 plug 21 body 23, 24 lever member 30 plug 31 body 33 pinion gear 34 screw rod portion (screw portion) 35 pinion portion 36 rack portion 37 rack guide portion 40 plug 42 outer body 44 belt-shaped elastic piece 50 Plug 52 Outer body 54 Band-shaped elastic piece 60 Plug 62 Outer body 70 Plug 71 Body 80, 81, 82 Outlet

Claims (4)

[Claims] 1. When a force for gripping the body is applied, one end advances toward the connected outlet, and the tip of the one end presses the plug connecting surface of the outlet to release the connection with the outlet. A plug characterized in that the decoupling means is provided integrally with the body. 2. The decoupling means is composed of a plurality of strip-shaped elastic pieces curved in an arc shape, and these strip-shaped elastic pieces face the inside of the arc, and one end thereof is fixed to the body, and The plug according to claim 1, wherein when a force is applied to the outside of the arc in the direction of gripping the body, the other end of the arc advances toward the outlet and presses the plug connecting surface at the tip thereof. 3. The decoupling means comprises lever members rotatably provided on the body, the lever members being rotatably provided at substantially the center of the body, and one end of these lever members. When a force is applied to the body in the direction of gripping the body, it is provided along the body so that the vicinity of the other end projects from the body at a position almost parallel to the longitudinal direction of the body and presses the plug connecting surface with its tip. The plug according to claim 1, wherein 4. The decoupling means is composed of a pinion portion having a threaded rod portion at the tip of the pinion gear and a rack portion meshing with the pinion gear, and a force is exerted on one end of the rack portion in a gripping direction of the body. When added, the rack guide portion provided on the body guides the rack portion in a direction substantially orthogonal to the longitudinal direction of the body, whereby the pinion portion rotates,
The one end of a screw rod provided at the tip of the pinion gear is provided along the body such that one end of the screw rod advances toward the outlet and presses the plug connecting surface at the tip.
The described plug.