JP2011054387A - Ac plug rotation position restricting device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an AC plug rotation position restricting device which can support a rotation position restricting member by a body case outside an elastically deforming region, does not affect a rotation torque of an AC plug by dimension dispersion or the like of a position restricting rib, and prevents looseness of the AC plug so as to secure rotation position restriction. <P>SOLUTION: The AC plug rotation position restricting device includes the body case for rotatably holding the AC plug, and the rotation position restricting member which engages with an AC plug rotation shaft and is positioned on the body case. The rotation position restricting member includes a projection for engaging with a positioning pin arranged on the case, and the position restricting rib of the body case is arranged in the vicinity of the projection. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an AC plug movable charging device in which an AC plug is rotatable between a housing position in a main body case and a connection position to a power source.

  A conventional AC plug rotation position restricting device is shown in FIGS. FIG. 3 is a perspective view of the AC plug rotation position restricting device, and FIG. 4 is a cross-sectional view of a charging device incorporating the AC plug rotation position restricting device.

  In FIG. 3, an AC plug 1 that is plugged into an AC outlet or the like to receive supply of electricity, a cam-shaped portion 2 that is integrally formed of resin on the rotating shaft of the AC plug, and a rotational position restricting member that is formed of a resin having a spring property 3 and is configured to be able to regulate the rotational position of the AC plug 1 by engaging with the cam-shaped portion 2 and providing a click point.

  In addition, the main case 4 and the case are nail-fitted, and thus the upper case 5 and the lower case 6 that can hold the AC plug 1 rotatably by being integrally combined by ultrasonic welding or the like. The rotational position restricting member 3 has four outer corners formed by position restricting ribs 9-a provided on the upper case 5, similarly 9-b and position restricting ribs 9-c provided on the lower case 6, and similarly 9-d. It is pressed while being held and positioned in the main body case.

JP 2004-127522 A

  However, in the conventional AC plug rotation position restricting device, when the AC plug is rotated to a position substantially perpendicular to the apparatus main body and inserted into a power outlet, the rotation position restricting member is elastically deformed by the cam shape portion of the AC plug. However, since the four corners of the rotational position restricting member are pressed and fixed by ribs integrally formed with the main body case, this free elastic deformation movement is hindered.

  In addition, the elastic deformation resistance of the rotational position restricting member changes due to slight variations in the finished dimensions of the position restricting ribs, which leads to fluctuations in the rotational torque of the AC plug, resulting in poor operating feeling when operating the AC plug by hand. There was a general problem.

  Furthermore, when the restricting force on the rotational position restricting member is weak due to variations in the finished dimension of the position restricting rib, the position restriction of the AC plug becomes uncertain and the AC plug is loosened. There was a problem that occurred.

  In order to solve the above-described conventional problems, the AC plug rotation position restricting device of the present invention is formed on a main body case that rotatably holds an AC plug by combining an upper case and a lower case, and a rotating shaft of the AC plug. The rotating position restricting member is engaged with a cam-shaped portion and positioned on the main body case, and the rotating position restricting member has a support portion that fits a positioning pin provided on the case, Position restriction ribs provided in the main body case are disposed in the vicinity.

  Further, the AC plug rotation position restricting device of the present invention is provided with the support portion of the rotation position restricting member outside the region where the rotation position restricting member is elastically deformed, and the support portion includes a positioning pin provided on the main body case and The position is regulated by the position regulating rib.

  According to the present invention, the rotational position restricting member can be supported outside the elastic deformation motion region by the main body case structure, and the rotational torque of the AC plug is not affected by the dimensional variation of the position restricting rib. Therefore, it is possible to improve the operability when the user pulls out the AC plug by hand.

  In addition, since the position regulation of the AC plug is ensured and the play of the AC plug does not occur, it is possible to obtain an AC plug rotation position regulating device that does not generate an abnormal noise when handling the main device.

1 is a perspective view of an AC plug rotation position restricting device shown in Embodiment 1 of the present invention. Sectional drawing of the apparatus incorporating the AC plug rotation position control apparatus shown in Embodiment 2 of this invention A perspective view of a conventional AC plug rotation position regulating device Sectional drawing of the charging device incorporating the conventional AC plug rotation position regulating device

  The best mode for carrying out the present invention will be described below with reference to the drawings.

  FIG. 1 is a perspective view of an AC plug rotation position regulating device according to an embodiment of the present invention, and FIG. 2 is a cross-sectional view of a charging apparatus incorporating the AC plug rotation position regulating device.

  In FIG. 1, an AC plug 1 that is inserted into an AC outlet or the like to receive supply of electricity, a cam-shaped portion 2 that is integrally formed of resin on the rotating shaft of the AC plug, and a rotational position restricting member that is formed of a resin having a spring property 3 is configured to be able to regulate the rotational position of the AC plug 1 by engaging with the cam-shaped portion 2 and providing a click point.

  There is a main body case 4, which consists of an upper case 5 and a lower case 6 that can hold the AC plug 1 rotatably by combining the case with a claw fitting or by ultrasonic welding or the like.

  The positioning pin 7 formed on the lower case 6 is fitted to the support portions 8-a and 8-b provided on the rotational position restricting member 3. The hole shape on the support portion 8-a side is a shape that is lightly press-fitted into the positioning pin 7, and the support portion 8-b side prevents the rotational position restricting member 3 from undergoing an elastic deformation motion by the rotation of the AC plug 1. It is formed in the shape of a long hole so that it does not.

  Reference numerals 9-a and 9-b denote position restricting ribs integrally formed with the upper case 5, and the upper case 5 and the lower case 6 are assembled in the vicinity of the support portions 8-a and 8-b of the rotational position restricting member 3. It is provided so as to be pressed when it is pressed.

  When the AC plug 1 is rotated from the main body case storage position, the cam-shaped portion 2 provided on the rotation shaft of the AC plug 1 engaged with the rotational position restricting member 3 elastically deforms the rotational position restricting member 3. Rotate.

  Next, the cam shape provided on the rotation shaft of the AC plug 1 engaged with the rotation position restricting member 3 in a state where the AC plug 1 is pulled out in a substantially vertical direction with respect to the connection position to the power outlet, that is, the main body case 4. The part 2 is stabilized and the position of the AC plug 1 is restricted.

  In this state, the position of the AC plug allows the user of the charging device to attach to and detach from the power outlet.

  In the AC plug rotation position restriction device of the present invention, the support portions 8-a and 8-b for positioning the rotation position restriction member 3 with respect to the lower case 6 are separated from the elastic deformation region of the rotation position restriction member 3. Separated and provided in a protruding form. The reason for this is that when the cam-shaped portion 2 provided on the rotation shaft of the AC plug 1 rotates while elastically deforming the rotational position restricting member 3, a support portion is provided outside the elastic deformation region.

  As a result, the rotational torque of the AC plug is not affected by variations in the size of the position restricting rib, etc., so that the rotational torque is stabilized, thereby improving the operability when performing an operation of pulling out the AC plug by hand. .

  Further, since the position restricting ribs 9-a and 9-b formed integrally with the upper case 5 are configured to come into contact with the protruding support portions 8-a and 8-b, the position restricting ribs are also formed. The elastic deformation region of the rotational position restricting member 3 is not affected.

  Accordingly, the support portion can be pressed with a relatively strong force, the position of the AC plug is reliably regulated, and the play of the AC plug does not occur. Can be obtained.

  The relationship between the positioning pin 7 provided in the lower case 6 in this embodiment and the support portions 8-a and 8-b of the rotation support member 3 is such that the fitting hole provided in the support portion 8-a is positioned on the positioning pin 7. The fitting portion provided in the support portion 8-b is a long hole, and the support portion 8-b is provided in a direction in which the rotation restricting member 3 is easily elastically deformed. Minute movement is possible.

  This structure facilitates elastic deformation of the rotational position restricting member 3 as compared with the case where both of the support portions 8-a and 8-b are completely fixed, thereby enabling a smoother AC plug operation.

  The AC plug rotation position restricting device according to the present invention can support the rotation position restricting member outside the elastic deformation region by the main body case, and the rotation torque of the AC plug is not affected by the dimensional variation of the position restricting rib, and the rotation. An AC plug rotation position restriction device can be obtained in which position restriction is ensured and no AC plug play occurs, so that the AC plug can be freely rotated between the housing position in the main body case and the connection position to the power source. It is useful as a movable charging device.

DESCRIPTION OF SYMBOLS 1 AC plug 2 Cam shape part 3 Rotation position control member 4 Main body case 5 Upper case 6 Lower case 7 Positioning pin 8-a Support part 8-b Support part 9-a Position control rib 9-b Position control rib 9-c Position Restriction rib 9-d Position restriction rib

Claims (2)

In a device having a charging function for receiving power supply by inserting a plug blade protruding from an AC plug into an outlet of an external power source, a main body case that rotatably holds the AC plug, and an AC plug rotating shaft that engages with the main body The rotating position restricting member is positioned on the case, and the rotating position restricting member has a support portion that fits a positioning pin provided on the case, and a position restricting rib of the main body case is provided in the vicinity of the support portion. An AC plug rotation position restricting device characterized by that. 2. The AC plug rotation position restricting device according to claim 1, wherein the rotation position restricting member has a plurality of support portions, at least one of which is completely fixed to the main body case, and the rest is not completely fixed to the main body case.

Images