JP2007173124A - Outlet device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an outlet device capable of preventing an electric shock accident. <P>SOLUTION: This outlet device is provided with: a container body 1 having, on its front surface, a pair of plug blade insertion holes 3a and 3b for power for inserting a couple of a plug blade for power and a plug blade for a ground electrode of a plug, respectively, and a plug blade insertion hole 3c for the ground electrode; blade reception parts for power housed in the container body 1 and respectively brought into contact with and connected to the pair of plug blades for power; a blade reception part for the ground electrode housed in the container body 1 and brought into contact with and connected to the plug blade for the ground electrode; an earth terminal 70 exposed and arranged on the front surface of the container body 1; and a metal frame 8 for an embedded wiring appliance for attaching the container body 1 thereto with the front surface of the container body 1 exposed from an opening window 8c formed at the central part. In the earth terminal 70, a contact piece 70d led out to the outside of the container body 1 from an opening 3f formed on a side surface of the container body 1 and brought into contact with and connected to the metal frame 8 is integrally formed. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an outlet device, and more particularly, to an outlet device embedded in a construction surface such as a wall surface.

  2. Description of the Related Art Conventionally, an outlet device that is embedded in a construction surface such as a wall surface has been provided. As shown in FIG. 11 (a), this type of outlet device includes a pair of plug blades for power supply (not shown) and a plug blade for grounding electrode (not shown). The container body 100 having the power supply blade insertion holes 100a and 100b and the grounding electrode blade insertion hole 100c on the front surface, and the front surface of the container body 100 exposed from the opening window 500a provided in the center. And a metal frame 500 for an embedded wiring apparatus to which 100 is attached (for example, Patent Document 1).

Then, as shown in FIG. 11 (b), the container body 100 is individually contact-connected with a pair of power supply blades of the plug respectively inserted from the pair of power supply blade insertion holes 100 a and 100 b. The power blade receiving portions 200 and 200 are accommodated. In addition, the container body 100 houses a grounding electrode blade receiving portion 300 that is in contact with a grounding electrode blade of a plug inserted from the grounding electrode plug blade insertion hole 100c. An earth terminal 400 is exposed on the front.
Japanese Patent Laid-Open No. 10-134894 (FIGS. 1 and 2)

  However, in the conventional outlet device, since the metal frame 500 is not grounded, when a leakage occurs in the metal frame 500 from the power supply blade receiving portion 200 due to a decrease in insulation of the outlet device, the metal frame 500 or the metal frame There is a possibility that the user may be electrocuted through a metal member (for example, a fireproof plate or the like) in contact with the frame 500.

  The present invention has been made in view of the above points, and an object of the present invention is to provide an outlet device that can prevent an electric shock accident.

  In order to solve the above-described problem, in the invention of the outlet device according to claim 1, a pair of power plug blade insertion holes and a ground for inserting a pair of power plug blades and a ground electrode plug blade of the plug, respectively. A container body having a pole blade insertion hole on the front surface; a power supply blade receiving portion that is housed in the container body and is in contact with and connected to the pair of power blade blades; and housed in the container body and A grounding electrode blade receiving portion connected in contact with the grounding electrode plug blade, and a metal frame for an embedded wiring device to which the device is attached in a state where the front surface is exposed from an opening window provided in a central portion; In the outlet device comprising: the grounding electrode blade receiving portion is integrally formed with a connecting piece that is led out of the vessel body from the opening provided on the side surface of the vessel body and is contact-connected to the metal frame. It is characterized by.

  According to the second aspect of the present invention, the pair of power plug blade insertion holes and the ground electrode plug blade insertion holes into which the pair of power plug blades and ground electrode plug blades of the plug are respectively inserted are provided on the front surface. A container body, a blade receiving portion for power supply housed in the container body and contact-connected to the pair of power supply blades, and a contact connection housed in the container body and the blade blade for the ground electrode A grounding electrode blade receiving portion, an earth terminal exposed on the front surface, and an embedded wiring device to which the body is attached in a state where the front surface is exposed from an opening window provided in a central portion. In the outlet device including a metal frame, the ground terminal is integrally formed with a connection piece that is led out of the container body from an opening provided on a side surface of the container body and is contact-connected to the metal frame. It is characterized by being.

  The invention of the outlet device according to claim 3 is characterized in that, in addition to the configuration of claim 1 or 2, a cover for covering a portion of the connection piece led out from the opening to the outside of the container body is provided.

  According to another aspect of the present invention, the pair of power plug blade insertion holes and the ground electrode plug blade insertion holes into which the pair of power plug blades and ground electrode plug blades are respectively inserted are provided on the front surface. A container body, a blade receiving portion for power supply housed in the container body and contact-connected to the pair of power supply blades, and a contact connection housed in the container body and the blade blade for the ground electrode In the outlet device, comprising: a grounding electrode blade receiving portion; and a metal frame for an embedded wiring device to which the container is attached in a state where the front surface is exposed from an opening window provided in a central portion. The frame is integrally formed with a connection piece that is introduced into the body through an opening provided in a side surface of the body and is contact-connected to the ground electrode blade receiving portion. And

  According to the fifth aspect of the present invention, the pair of power plug blade insertion holes and the ground electrode plug blade insertion holes into which the pair of power plug blades and ground electrode plug blades of the plug are respectively inserted are provided on the front surface. A container body, a blade receiving portion for power supply housed in the container body and contact-connected to the pair of power supply blades, and a contact connection housed in the container body and the blade blade for the ground electrode A grounding electrode blade receiving portion, a ground terminal exposed on the front surface of the vessel body, and an embedded wiring to which the vessel body is attached in a state where the front surface is exposed from an opening window provided in a central portion In an outlet device comprising a metal frame for appliances, the metal frame is introduced into the body through an opening provided on a side surface of the body, and the earth terminal or the ground terminal and Contact connection with both of the ground electrode blade receiving portions Connection piece, characterized in that it is formed integrally to be.

  Since the metal frame is grounded by the connecting piece formed integrally with the grounding electrode blade receiving portion in the invention of the outlet device according to the first aspect, when a leakage occurs in the metal frame due to a decrease in insulation of the outlet device. Such an earth leakage current can be released to the ground, and thereby an electric shock accident caused by a user touching the metal frame can be prevented. In addition, since the connecting piece is formed integrally with the ground electrode blade receiving portion, there is no need to provide a new part for grounding the metal frame, which makes it possible to ground the metal frame with the minimum necessary parts. The effect that the increase in cost can be suppressed is produced.

  Since the metal frame is grounded by the connecting piece formed integrally with the ground terminal, the invention of the outlet device according to claim 2 is such that when a leakage occurs in the metal frame due to a decrease in insulation of the outlet device. An earth leakage current can be released to the ground, and thereby an electric shock accident caused by a user touching a metal frame can be prevented. In addition, since the connection piece is integrally formed with the earth terminal, there is no need to provide new parts to ground the metal frame, which allows the metal frame to be grounded with the minimum necessary parts, increasing costs. There is an effect that can be suppressed.

  In the invention of the outlet device according to claim 3, since the portion of the connection piece led out from the opening to the outside of the container is covered with a cover, the user misidentifies the connection piece as a charging portion and is uneasy. There is an effect that it can be prevented from being felt, and there is an effect that discoloration of the connecting piece can be prevented and the aesthetics are not impaired.

  In the invention of the outlet device according to claim 4 or 5, since the metal frame is grounded by the connection piece integrally formed on the metal frame, when a leakage occurs in the metal frame due to the deterioration of the insulation property of the outlet device, Such a leakage current can be released to the ground, and thus an electric shock accident caused by the user touching the metal frame can be prevented. Moreover, since the connection piece is formed integrally with the metal frame, unlike when the connection piece is formed on the grounding electrode blade receiving part or the earth terminal, the user mistakes the connection piece as a charging part. There is an effect that it is possible to prevent feeling anxiety. In addition, since the contact piece is generally made of a part of a metal frame that is not easily discolored, the connection piece can be prevented from being discolored and the aesthetics are not impaired. Furthermore, an effect of suppressing an increase in cost can be achieved as compared with the case where the connection piece as described above is provided in a part having a high material cost such as a blade receiving part for ground electrode and a ground terminal.

  Hereinafter, embodiments of the present invention will be described with reference to FIGS.

(Embodiment 1)
The outlet device of this embodiment is an embedded type outlet device with a ground terminal that is used by being embedded in a construction surface such as a wall surface (not shown), as shown in FIGS. 1 (a) and 1 (b). Further, a pair of power plug blade insertion holes 3a and 3b and a ground electrode plug blade into which a pair of power plug blades (not shown) and a ground electrode plug blade (not shown) of the plug are respectively inserted. Housed in the body 1, the body 1 having an insertion hole 3 c in the front, a pair of power blade receiving portions 4 a and 4 b that are housed in the body 1 and are connected to the pair of power blades, respectively. The grounding electrode blade receiving portion 5 that is contact-connected to the grounding electrode plug blade, the ground terminal 70 that is exposed on the front surface of the body 1, and the opening window 8 c provided in the center portion of the body 1. A metal frame 8 for an embedded wiring device to which the body 1 is attached with the front surface exposed, and a ground The Minaru 70, derived from the opening 3f provided on the side surface of the base 1 to the device body 1 externally connecting piece 70d which is contact-connected with the metal frame 8 is integrally formed.

  The container body 1 is formed in a size that can be attached to the opening window 8c of the metal frame 8, that is, a so-called three-module size, and the front surface is opened as shown in FIGS. 3 (a) and 3 (b). It has a box-shaped body 2 and a cover 3 attached to the body 2 so as to cover the front opening of the body 2, and these are coupled using a metal frame 8.

  The body 2 is made of a synthetic resin, and as shown in FIG. 3 (b), is formed in a box shape with the front surface opened as described above. A pair of ribs 2a used for coupling to the cover 3 are formed. In addition, the interior of the body 2 is separated by a partition wall 2b, and the ground electrode storage portion S1 composed of the central portion of the body 2 and one end side in the longitudinal direction of the body 2 (lower left side in FIG. 1A), and the rest of the body 2 It is partitioned into a space. Further, the space portion is divided into two in the short direction of the body 2 by the partition wall 2c to form a pair of power storage portions S2 and S2.

  Here, a grounding wire for inserting an unillustrated grounding power line (hereinafter referred to as “grounding wire”) into the body 2 on the bottom surface on one end side in the longitudinal direction of the body 2 in the grounding electrode storage portion S1. An insertion hole 2d (see FIG. 1B) is formed, and an operation portion 62a of a release lever 62 described later is exposed to the outside of the body 2 on the side surface of the body 2 in the vicinity of the ground wire insertion hole 2d. Openings 2e are provided respectively. On the other hand, a pair of power supply line insertion holes 2f and 2f (see FIG. 1B) for inserting power supply lines (not shown) into the body 2 are formed on the bottom surfaces of the power storage units S2. Opening portions 2g for exposing the operation portion 62a of the release lever 62 to the outside of the body 2 are provided on both sides in the short direction of the body 2 in the vicinity of the power line insertion hole 2f.

  The cover 3 is made of a synthetic resin and is formed in a size that can cover the front opening of the body 2 as shown in FIG. A grounding side power plug blade insertion hole 3a and a power supply side power blade insertion hole 3b into which a pair of power plug blades (not shown) of the plug are respectively inserted, and a plug grounding blade blade (see FIG. Two outlets are formed along the longitudinal direction of the cover 3. The outlet 3 is formed of a ground electrode plug blade insertion hole 3 c into which a cover electrode 3 is inserted. Here, these insertion holes 3a to 3c have shapes corresponding to, for example, a plug (not shown) for a rated voltage of 125 V and a rated current of 15 A defined in JISC8303. The outlet port may be based on other regulations.

  Further, an opening 3d for grounding is provided on one end side in the longitudinal direction of the front surface of the cover 3 (lower left side in FIG. 1A) for allowing the grounding terminal 70 to face the outside. A cover 73 for the ground terminal 70 is detachably attached to the ground opening 3d, thereby concealing the ground terminal 70 and improving the aesthetics of the body 1. The cover 73 is made of synthetic resin.

  Furthermore, a pair of ribs 3e are formed on both lateral sides of the cover 3 in the lateral direction, and these are for the metal frame 8 together with the ribs 2a of the body 2 when the cover 3 is attached to the body 2. The mounting portion 1a is configured. In addition, an opening 3 f for leading the connection piece 70 d of the earth terminal 70 from the container 1 to the outside is provided at the central portion in the short direction on the side surface on one end side in the longitudinal direction of the cover 3.

  In such a container 1, FIG. As shown in FIG. 5B, the power supply blade receiving portions 4A and 4B that are contact-connected to the plug power supply blade of the plug, and the grounding electrode blade receiving portion 5 that is contact-connected to the plug blade for the grounding electrode of the plug. The locking spring 60, the auxiliary spring 61, the release lever 62, and the earth terminal 70 are housed.

  As shown in FIG. 4 (b), the power blade receiving portion 4A is connected to the plug blade of the plug inserted from the power supply wire blade insertion hole 3a on the ground side, and is electrically conductive such as a copper plate. Each of which has a blade receiving spring 4a which is bent from both ends in the longitudinal direction and is contact-connected to the plug blade for the power source of the plug, and from the power line insertion hole 2f in the central portion in the longitudinal direction. It has the terminal part 4b used for contact connection with the power wire inserted in the container 1. Here, the terminal portion 4b, together with the locking spring 60, the auxiliary spring 61, and the release lever 62, constitutes a quick connection terminal that locks the electric wire, and extends so as to face the locking spring 60. It has a pair of pressing pieces 4c, 4c provided. On the other hand, as shown in FIG. 4 (b), the power blade receiving portion 4B is connected to the plug blade of the plug inserted from the power supply power blade insertion hole 3a on the power supply side. Since it is the same as the power blade receiving portion 4A, description thereof is omitted.

  As shown in FIG. 4 (a), the ground electrode blade receiving portion 5 is bent from a conductive metal plate such as a copper plate in the same manner as the power supply blade receiving portions 4A and 4B. The blade receiving springs 5a to which the plug blade for the ground electrode of the plug is contact-connected are provided. In addition, a pair of terminal portions 5b used for contact connection with a ground wire inserted into the container body 1 is extended from the blade receiving spring 5a on one end side in the longitudinal direction through the ground plug insertion hole 2d. Further, in the vicinity of the blade receiving spring 5a on the other end side in the longitudinal direction, a lifting prevention piece 5c for contacting the rear surface of the cover 3 and preventing the grounding electrode terminal plate 5 from lifting is provided. Similar to the terminal portion 4 b, the terminal portion 5 b constitutes a quick-connection terminal that locks the ground wire together with the lock spring 60, the auxiliary spring 61, and the release lever 62. And a pressing piece 5d extending so as to oppose the. The terminal portion 5b is provided with a fixing portion 5e to which the earth terminal 70 is fixed.

  As shown in FIG. 4 (b), the locking spring 60 is a leaf spring formed in a substantially square shape, and is connected to the power supply line (or ground) between the holding pieces 4c and 5d of the terminal portions 4b and 5b. And a locking piece 60a for biting into the power supply line (or ground line) and preventing them from coming off. The auxiliary spring 61 is a leaf spring and is used to urge the release lever 62 toward the outside of the container body 1. The release lever 62 is made of a synthetic resin, and presses the operation portion 62a exposed to the outside of the body 2 from the openings 2e and 2g of the body 2 and the locking piece 60a of the locking spring 60. And a pressing piece 62b for being housed in the body 2 in a swingable manner.

  The earth terminal 70 is for connecting a ground connection wire provided on a plug (not shown), and is bent from a conductive metal plate such as a copper plate. A flat plate portion 70b having a corresponding screw hole 70a, a fixing piece 70c for caulking and fixing the ground terminal 70 to the fixing portion 5e of the ground electrode terminal plate 5, and a connection piece 70d connected in contact with the metal frame 8 A pair of caulking pieces 70e, 70e for caulking and fixing the connecting piece 70d to the metal frame 8 are integrally provided at the tip of the connecting piece 70d. A washer 71 having a screw insertion hole 71 a for the screw terminal 72 at the center is disposed on the front side of the flat plate portion 70 b of the earth terminal 70. The ground terminal 70 is provided with a ground connection wire provided on the above-mentioned plug using a terminal screw 72, whereby the ground connection wire can be grounded.

  Next, the metal frame 8 to which the container 1 is attached will be described. The metal frame 8 for the embedded wiring apparatus is used for one continuous large-angle continuous wiring apparatus standardized by the JIS standard. For example, a steel plate is used to attach the front surface of the body 1 to the central portion. It is formed in a substantially rectangular frame shape having a rectangular opening window 8c to be exposed. More specifically, as shown in FIG. 3, the metal frame 8 includes a pair of elongated frame pieces 8 a and 8 a that are parallel to each other, and one end portions and the other end portions of the pair of frame pieces 8 a and 8 a. Horizontal pieces 8b and 8b that are connected to each other are integrally provided, and a central portion surrounded by the frame pieces 8a and 8a and the horizontal pieces 8b and 8b is used as the opening window 8c.

  Each frame piece 8a, 8a is provided with a pair of attachment pieces 8d used for attaching the container body 1 so as to project rearward. The attachment pieces 8d are fitted with the attachment portions 1a of the container body 1 (unevenness). A fitting hole 8e to be fitted) is formed. A box through which a box screw (not shown) for attaching the metal frame 8 to an embedding box (not shown) or the like embedded in a construction surface such as a wall surface is inserted in the center of each horizontal piece 8b, 8b. A hole 8f for use and a plate screw hole 8g into which a plate screw (not shown) for attaching a decorative plate (not shown) or the like is screwed are formed. Furthermore, as shown in FIG. 2A, a cutout 8 h for caulking and fixing the connection piece 70 d of the ground terminal 70 to the metal frame 8 is formed in one horizontal piece 8 b of the metal frame 8. In addition, since such a metal frame 8 is assumed to be used in a state where it is mainly exposed to the outside air, various plating treatments and the like are applied in order to impart rust prevention.

  The outlet device according to the present embodiment is configured as described above, and the assembly method will be described below. First, the body 2 includes a pair of power blade receiving portions 4A and 4B, a ground electrode blade receiving portion 5, six locking springs 60, six auxiliary springs 61, and six release levers 62, The earth terminal 70 is accommodated. Here, the power blade receiving portions 4A and 4B are housed in the power housing portions S2 and S2, respectively, with the terminal portion 4b facing the power wire insertion holes 2f and 2f. At the same time, the lock springs 60, 60 are accommodated in the power supply accommodating portions S2, S2 so as to face the pair of pressing pieces 4c, 4c of each terminal portion 4b, respectively, and further, the release lever 62 is disposed in the operating portion 62a. Is stored in each power supply storage portion S2 together with the auxiliary spring 61 in a state where the opening is exposed to the outside of the container 1 from the opening 2g. Similarly, the ground electrode blade receiving portion 5 is housed in the ground electrode housing portion S1 with the terminal portions 5b and 5b facing the ground wire insertion holes 2d and 2d. At the same time, the locking spring 60 is accommodated in the grounding electrode accommodating portion S1 so as to face the pressing piece 5d of each terminal portion 5b, and the release lever 62 further moves the operation portion 62a from the opening 2e to the container 1 In the state exposed to the outside, the auxiliary spring 61 is housed in the ground electrode housing portion S1.

  As described above, the quick connection terminal is configured corresponding to each of the power supply line insertion hole 2f and the ground line insertion hole 2d. Therefore, for example, the power line inserted into the power line insertion hole 2f is electrically connected to the terminal part 4b while being held between the pressing piece 4c of the terminal part 4b and the locking spring 60a of the locking spring 60. Will be connected. Here, the power supply line held between the locking spring 60 and the pressing piece 4c prevents the tip of the locking piece 60a of the chain spring 60 from biting into the power supply line, thereby preventing the power supply line from dropping out of the power supply line insertion hole 2f. It has come to be. When the power line is pulled out from the power line insertion hole 2f, the release lever 62 biased outward from the body 1 by the auxiliary spring 61 is pressed against the bias by pressing the operating portion 62a. If the operation portion 62 is pressed in this way, the locking piece 60a is deformed in a direction away from the power line by the pressing piece 62b of the release lever 62, and thus the power line can be pulled out. It becomes possible. Since this point is the same in the ground wire insertion hole 2d, the description is omitted.

  A fixing piece 70c of the earth terminal 70 is fixed by caulking to the fixing portion 5e of the earthing electrode blade receiving part 5 housed in the body 2, whereby the earthing terminal 70 is electrically connected to the earthing electrode blade receiving part 5. Connected to. A screw terminal 72 inserted through the screw insertion hole 71a of the washer 71 is screwed into the screw hole 70a of the flat plate portion 70b of the earth terminal 70.

  As described above, the pair of power blade receiving portions 4A and 4B, the ground electrode blade receiving portion 5, the six locking springs 60, the six auxiliary springs 61, the six release levers 62, and the ground terminal 70. Is covered with a cover 3 so as to close the front opening. Here, when the cover 3 is put on the body 2, the blade receiving springs 4a, 4a of the power blade receiving portion 4 housed in one (left side in FIG. 3) of the power housing portion S2 are covered by the cover. The blade receiving springs 40, 40 of the power blade receiving portion 4 that are respectively opposed to the power wire insertion holes 3a, 3a for power supply 3 and stored in the power storage portion S2 on the other side (right side in FIG. 3) The power supply blade insertion holes 3b and 3b of the cover 3 are opposed to each other. Further, the blade receiving springs 5a, 5a of the grounding electrode blade receiving portion 5 housed in the grounding electrode housing portion S1 are respectively opposed to the grounding electrode plug blade insertion holes 3c, 3c of the cover 3. Yes. In addition, the ground terminal 70 faces the outside from the ground opening 3 d of the cover 3, and the connection piece 70 d of the ground terminal 70 is led out of the body 1 from the opening 3 f of the cover 3. . Further, a cover 73 for the ground terminal 70 is attached to the cover 3 so as to close the ground opening 3d. On the other hand, when the cover 3 is put on the body 2, the mounting portion 1 a is configured by the rib 2 a of the body 2 and the rib 3 e of the cover 3.

  The container body 1 is comprised by the above, This container body 1 is attached to the metal frame 8 as follows. That is, as shown in FIGS. 1A and 1B, the container 1 exposes the front surface (that is, the front surface of the cover 3) from the opening window 8 c of the metal frame 8 and is led out of the container 1. With the connection piece 70d of the earth terminal 70 inserted into the cutout portion 8h of the metal frame 8, the attachment portion 1a and the attachment hole 8e of the attachment piece 8d of the metal frame 8 are fitted to the metal frame 8 It is done. In addition, when the container 1 is attached to the metal frame 8 in this way, the body 2 and the cover 3 are coupled together by fitting the attachment portion 1a and the attachment hole 8e. Thus, the cover 3 is prevented from being detached from the body 2 while the container 1 is attached to the metal frame 8.

  Finally, the caulking pieces 70e and 70e of the connection piece 70d inserted through the notch 8h of the metal frame 8 are bent away from each other as shown in FIG. The outlet device of this embodiment is completed by caulking and fixing to 8. In this outlet device, the metal frame 8 is electrically connected to the ground electrode blade receiving portion 5 and the earth terminal 70 by connecting the connection piece 70d to the metal frame 8 in contact. It becomes possible to ground.

  Therefore, according to the outlet device of the present embodiment described above, the metal frame 8 is grounded by the connecting piece 70d formed integrally with the earth terminal 70. Therefore, the leakage to the metal frame 8 due to a decrease in the insulation of the outlet device. Even when this occurs, such a leakage current can be released to the ground, thereby preventing an electric shock accident caused by the user touching the metal frame 8. Further, since the connection piece 70d is formed integrally with the earth terminal 70, it is not necessary to provide a new part for grounding the metal frame 8, and the metal frame 8 can be grounded with the minimum necessary parts. Thus, there is an effect that an increase in cost can be suppressed.

  In addition, in this embodiment, although the dimension of the container 1 was made into three module dimensions, the dimension of the container 1 should just be changed according to a condition. In this embodiment, the outlet device is provided with two sets of outlet ports. However, the number of outlet ports may be one, or power supply from the outlet device is turned on / off instead of providing two outlet ports. A switch, a timer switch, or the like may be provided. This also applies to Embodiments 2 to 4 described later.

(Embodiment 2)
Unlike the first embodiment, the outlet device of the present embodiment is an outlet device that does not have a ground terminal, and as shown in FIGS. 5 (a) and 5 (b), a pair of plug blades for power supply A body 10 having a pair of power supply blade insertion holes 30a, 30b and a grounding electrode blade insertion hole 30c on the front surface, into which a blade blade (not shown) and a grounding blade blade (not shown) are respectively inserted. A power supply blade receiving portion (not shown) housed in the container 10 and contacted and connected to a pair of power supply blades, and a power supply blade blade housed in the container 10 and contacted. A grounding electrode blade receiving portion 50 (see FIG. 7B) and an embedded wiring apparatus to which the body 10 is attached with the front surface of the body 10 exposed from an opening window 8c provided in the center. The metal frame 80 is provided with an opening provided on the side surface of the vessel body 10. It is introduced into the vessel body 10 through a 0 g, connecting piece 80a, which is contact-connected to the blade receiving portion 50 for grounding electrode are formed integrally. In addition, about the structure similar to Embodiment 1, the same code | symbol is attached | subjected and description is abbreviate | omitted.

  The container body 10 is formed in a size that can be attached to the opening window 8c of the metal frame 80, that is, a so-called three-module size, and the front surface is opened as shown in FIGS. 5 (a) and 5 (b). A box-shaped body 20 and a cover 30 attached to the body 20 so as to cover the front opening of the body 20 are provided, and these are coupled using a metal frame 80.

  The body 20 is made of a synthetic resin, and as shown in FIGS. 6A and 6B, the body 20 is formed in a box shape having an open front surface as described above. A pair of ribs 20a used for coupling with the cover 30 are formed on both side surfaces. Further, as shown in FIG. 6B, the inside of the body 20 is partitioned into a ground electrode storage part S3 and a pair of power supply storage parts S4 and S4 by a partition wall 20b. Furthermore, a portion of the bottom surface (rear surface) of the body 20 corresponding to the ground electrode storage portion S3 has a pair of ground wire insertion holes for inserting the ground wire into the body 20, as shown in FIG. 20c, 20c, and a hole 20d for inserting a jig such as a flathead screwdriver (not shown) into the body 20 are provided. In addition, as shown in FIG. 5B, a pair of power supply lines for inserting the power supply lines into the body 20 is inserted into the portions corresponding to the power storage sections S4 on the bottom surface (rear surface) of the body 20. Holes 20e and 20e and a hole 20f for inserting a jig such as a minus driver (not shown) into the body 20 are provided. On the other hand, an opening 20g communicating with the inside and outside of the body 20 is formed on one end in the longitudinal direction of the body 20 (lower side in FIG. 6B), and the metal frame 80 is grounded through the opening 20g. It is contact-connected to the electrode blade receiving portion 50. Also, a pair of fixing ribs 20h and 20h for fixing the grounding electrode blade receiving portion 50 are provided in the vicinity of the opening 20g in the grounding electrode storage portion S3.

  The cover 30 is made of a synthetic resin and is formed to a size that can cover the front opening of the body 20. The power plug blade insertion hole 30 a on the ground side is formed on the front surface of the cover 30. In addition, two outlets are formed along the longitudinal direction of the cover 30, each of which includes a power source line blade insertion hole 30 b on the power source side and a plug blade insertion hole 30 c for the ground electrode. Also, a pair of ribs 30d are formed on both sides in the short direction of the cover 30, and when the cover 30 is attached to the body 20, the attachment portions 10a are attached together with the ribs 20a of the body 20. It is configured. The attachment portion 10a is formed in the same shape as the attachment portion 1a of the first embodiment (that is, a shape that can be fitted to the attachment hole 8e of the metal frame 80), thereby using the attachment portion 10a. The container 10 can be attached to the metal frame 80.

  Such a container body 10 houses a pair of power supply blade receivers, a ground electrode blade receiver 50, and a lock spring (not shown).

  Here, like the power supply blade receiving portion 4A of the first embodiment, the plug blade of the plug inserted from the power supply wire blade insertion hole 30a on the ground side is contact-connected to the one power supply blade receiving portion. Each of which has a blade receiving spring (not shown) which is bent from a conductive metal plate such as a copper plate and is connected in contact with a plug blade for a power source of the plug, and a power line insertion hole 20e. The terminal part (not shown) used for the contact connection with the power wire inserted in the container 10 from the inside. Here, a terminal part comprises the quick-connection terminal which locks an electric wire with the said locking spring. The other power blade receiving portion is connected to the plug blade of the plug inserted from the power supply blade insertion hole 30b on the power supply side, and the configuration thereof is the same as that of the power blade receiving portion. Therefore, the description is omitted.

  As shown in FIG. 7 (a), the ground electrode blade receiving portion 50 is bent from a conductive metal plate such as a copper plate, and plug blades for the ground electrode of the plug are provided at both ends in the longitudinal direction. Each has a blade receiving spring 50a to be contact-connected. In addition, a pair of terminal portions 50b and 50b used for contact connection with the ground wire inserted into the container body 10 through the ground plug insertion hole 20c is formed in the center portion in the longitudinal direction of the ground electrode blade receiving portion 50. ing. This terminal part 50b comprises the quick-connection terminal which locks a grounding wire with a locking spring. Furthermore, the blade receiving spring 50a on one end side in the longitudinal direction of the blade receiving portion 50 for the ground electrode faces the outside from the opening 20g of the body 20 and is contacted and connected to the connecting piece 80a of the metal frame 80. 50c is integrally extended. In addition, an insertion hole 50d through which the connection piece 80a is inserted in contact with the receiving piece 50c is formed at the center of the receiving piece 50c.

  The lock spring is the same as the lock spring 60 of the first embodiment. The lock spring holds the power line and the ground line with each of the terminal portions, and bites into the power line and the ground line. It has a locking piece (not shown) for preventing these from coming off.

  As shown in FIG. 7B, the metal frame 80 is the same as the metal frame 8 of the first embodiment. However, instead of providing the notch 8h on one horizontal piece 8b, the metal frame 80 is substantially L-shaped. The connection piece 80a is different in that it projects integrally toward the opening window 8c.

  The outlet device of the present embodiment is configured as described above, and the assembling method will be described below. First, the body 20 accommodates a pair of power supply blade receivers, a ground electrode blade receiver 50, and six locking springs. Here, the blade receiving part for power supply is accommodated in each of the pair of power storage parts S4, S4 with the terminal part facing the power line insertion holes 20e, 20e. In addition, in each of the power storage sections S4 and S4, two locking springs are respectively opposed to the terminal portions of the power blade receiving section, and are stored in a state in which the locking pieces are exposed to the outside through the holes 20. Is done. The ground electrode blade receiving portion 50 has the terminal portions 50b and 50b opposed to the ground wire insertion holes 20c and 20c, respectively, and the receiving piece 50c in the gap between the peripheral portion of the opening 20g and the fixing ribs 20h and 20h. In the arranged state, it is housed in the ground electrode housing S3. Further, in the ground electrode storage portion S3, two locking springs are stored in a state of facing the terminal portions 50b and 50b, respectively, with the locking pieces facing the outside from the hole 20d.

  As described above, the quick connection terminals are configured to correspond to the power supply line insertion holes 20e and the ground line insertion holes 20c, respectively. Therefore, for example, the power supply line inserted into the power supply line insertion hole 20e is electrically connected to the power supply blade receiving portion while being held between the terminal portion of the power supply blade receiving portion and the locking piece of the lock spring. Will be connected to. At this time, the power supply line is prevented from dropping from the power supply line insertion hole 20e because the tip of the locking piece of the chain spring bites into the power supply line. When pulling out the power line from the power line insertion hole 20e, a jig such as a flathead screwdriver may be inserted into the body 20 through the hole 20f to bend the locking piece of the locking spring. The power line can be pulled out. Since this point is the same in the ground wire insertion hole 20c, the description thereof is omitted.

  As described above, the cover 30 is attached to the body 20 in which the pair of power source blade receiving portions, the ground electrode blade receiving portion 50, and the six locking springs are accommodated so as to close the front opening. Is done. Here, when the cover 30 is attached to the body 20, each blade receiving spring of the power supply blade receiving portion housed in one of the power supply storage portions S <b> 4 is connected to the power wire blade insertion hole 30 a of the cover 30. , 30 a, and the blade receiving springs of the power supply blade receiving portion housed in the other power supply housing portion S 4 respectively face the power plug blade insertion holes 30 b, 30 b of the cover 30. ing. Further, the blade receiving springs 50a, 50a of the grounding electrode blade receiving part 50 housed in the grounding electrode housing part S3 are respectively opposed to the grounding electrode plug blade insertion holes 30c, 30c of the cover 30. ing. Further, when the cover 30 is attached to the body 20, the mounting portion 10 a is configured by the rib 20 a of the body 20 and the rib 30 e of the cover 30.

  The container body 10 is configured as described above. As shown in FIG. 5A, the container body 10 exposes the front surface from the opening window 8 c of the metal frame 80, and the connection piece 80 a of the metal frame 80 and the container body 10. With the opening portion 20g facing each other, the attachment portion 10a and the attachment hole 8e of the attachment piece 8d of the metal frame 80 are fitted to the metal frame 80.

  By the way, in the state where the vessel body 10 is attached to the metal frame 80, as shown in FIG. 8A, the connection piece 80a of the metal frame 80 is contact-connected to the receiving piece 50c of the ground electrode blade receiving portion 50. Absent. Therefore, finally, an operation of connecting the connection piece 80a to the ground electrode blade receiving portion 50 is performed. In this operation, by applying a load to the connection piece 80a, the connection piece 80a is pushed and bent toward the body 10 side, and the tip of the connection piece 80a is opened to the opening of the body 10 as shown in FIG. The insertion is performed through 20g through the insertion hole 50d of the receiving piece 50c and abutting against the inner surface of the insertion hole 50d.

  As described above, the outlet device of the present embodiment is completed. In this outlet device, the connection piece 80a provided integrally with the metal frame 80 is contact-connected to the ground electrode blade receiving portion 50, whereby the ground electrode blade receiving portion 50 is provided. Since the metal frame 80 is electrically connected, the metal frame 80 can be grounded.

  Therefore, according to the outlet device of the present embodiment described above, since the metal frame 80 is grounded by the connection piece 80a formed integrally with the metal frame 80, the same effects as those of the first embodiment can be obtained. In addition, in the present embodiment, the connection piece 80a is formed integrally with the metal frame 80 and is contact-connected to the ground electrode blade receiving portion 50 in the container 10, so that the connection piece is connected to the ground electrode blade receiver. Unlike the case where it is formed on a part or an earth terminal, there is an effect that it is possible to prevent the user from misidentifying the connecting piece as a charging part and feeling uneasy. Further, since the contact piece is made of a part of a metal frame that is generally made of a material that hardly changes color (or is processed so as not to change color), the connection piece can be prevented from being discolored and the aesthetics are not impaired. Play. Furthermore, compared to the case where the connection piece is provided on a part having a high material cost such as a ground electrode blade receiving part or a ground terminal, an effect of suppressing an increase in cost can be achieved.

  The outlet device of the present embodiment is an outlet device that does not have a ground terminal, but may of course be an outlet device with a ground terminal. In this case, the connection destination of the connection piece 81a of the metal frame 81 As described above, the ground electrode blade receiving portion may be selected as described above, or an earth terminal may be used. Furthermore, you may make it contact-connect to both the earthing terminal and the blade receiving part for earthing poles.

(Embodiment 3)
The outlet device of this embodiment is an outlet device that does not have a ground terminal as in the second embodiment, and as shown in FIGS. 9 (a) and 9 (b), a pair of plug blades for power supply A body 11 having a pair of power supply blade insertion holes 30a, 30b and a grounding electrode blade insertion hole 30c on the front surface, respectively (not shown) and a grounding electrode blade (not shown). A power supply blade receiving portion (not shown) housed in the container 11 and contact-connected to a pair of power supply blades; and a power supply blade receiving part (not shown) housed in the container 11 and contact-connected to the ground electrode plug blade. And a metal frame 81 for an embedded wiring device to which the body 11 is attached in a state where the front surface of the body 11 is exposed from the opening window 8c provided in the center portion. The blade receiving part 51 for the grounding electrode has a container through an opening 21 a provided on the side surface of the container 11. 11 is derived to the outside, connecting piece 51a, which is contact-connected with the metal frame 81 are integrally formed. In addition, about the structure similar to Embodiment 2, the same code | symbol is attached | subjected and description is abbreviate | omitted.

  The vessel body 11 is the same as the vessel body 10 described above, and covers the box-shaped body 21 whose front surface is open and the front opening of the body 21 as shown in FIGS. 9 (a) and 9 (b). And a cover 30 attached to the body 21, and these are coupled using a metal frame 81. Here, the body 21 is the same as the body 20 described above, but unlike the second embodiment, a ground electrode is used instead of the opening 20g for introducing the connection piece 80a of the metal frame 80 into the body. The connection piece 51a formed integrally with the blade receiving portion 51 is different in that it has an opening 21a for leading it out of the body.

  The container 11 houses a pair of power supply blade receivers, a grounding electrode blade receiver 51, and a locking spring (not shown). Here, since the pair of power source blade receiving portions and the lock spring are the same as those in the second embodiment, description thereof will be omitted, and only the ground electrode blade receiving portion 51 will be described.

  The grounding electrode blade receiving part 51 is the same as the grounding electrode blade receiving part 50 described above, but instead of having the receiving piece 50c, a connection piece 51a that is contact-connected to the metal frame 81 is integrally provided. Is different in that. A pair of caulking pieces 51b and 51b for caulking and fixing the connecting piece 51 to the metal frame 81 are integrally provided at the tip of the connecting piece 51a.

  The metal frame 81 is the same as the metal frame 80 of the second embodiment, but instead of providing the connection piece 80a on one of the horizontal pieces 8b, the connection piece 51a of the ground electrode blade receiving portion 51 is replaced with the metal frame 81. The difference is that a notch 81a for caulking and fixing is formed.

  The outlet device of the present embodiment is configured as described above, and the assembling method will be described below. First, in the same manner as the body 20 described above, the body 21 houses a pair of power blade receiving portions, a grounding electrode blade receiving portion 51, and six locking springs. Here, the ground electrode blade receiving portion 51 has a terminal portion (not shown) corresponding to each of the ground wire insertion holes 20c and 20c, and in the state where the connection piece 51a is led out from the opening portion 21a to the outside. Stored in the storage section. In addition, since it is the same as that of the said Embodiment 2 about the blade receiving part for power supplies and the lock spring, description is abbreviate | omitted.

  Then, the cover 30 is attached to the body 21 in which the pair of power blade receiving portions, the ground electrode blade receiving portion 51, and the six locking springs are accommodated so as to close the front opening. As shown in FIG. 9A, the container body 11 exposes the front surface from the opening window 8c of the metal frame 80, and the ground electrode blade receiver led out of the container body 11 as shown in FIG. With the connection piece 51a of the portion 51 inserted through the notch 81a of the metal frame 81, the attachment portion 10a and the attachment hole 8e of the attachment piece 8d of the metal frame 81 are fitted to the metal frame 81. .

  Finally, the caulking pieces 51b and 51b of the connecting piece 51a inserted through the notch 81a of the metal frame 81 are bent away from each other as shown in FIG. The outlet device of the present embodiment is completed by caulking and fixing to 81. In this outlet device, the metal frame 81 is electrically connected to the ground electrode blade receiving portion 51 by contact-connecting the connection piece 51a to the metal frame 81, so that the metal frame 81 can be grounded. It becomes possible.

  Therefore, according to the outlet device of the present embodiment described above, the metal frame 81 is grounded by the connection piece 51a formed integrally with the grounding electrode blade receiving portion 51. Therefore, the same effect as that of the first embodiment can be obtained. Play.

(Embodiment 4)
By the way, in the said Embodiment 3, since the connection piece 51a is integrally provided in the blade receiving part 51 for grounding electrodes, the connection piece 51a uses the same member as the blade receiving part 51 for grounding electrodes, ie, a copper plate. Is formed. Therefore, when the user looks at the connection piece 51a, the connection piece 51a may be mistakenly recognized as a charging unit such as a power supply blade receiving unit, and may feel anxious.

  Therefore, in the outlet device of the present embodiment, in addition to the configuration of the outlet device of the third embodiment, as shown in FIGS. 10 (a) and 10 (b), the opening 21a of the container 11 (see FIG. 9 (b)). ) To cover the portion of the connecting piece 51a led out to the outside of the container body 11.

  Here, the cover 21b is integrally formed with the body 21 so as to surround the connection piece 51a, but the cover 21b may be detachable from the body 21.

  According to such an outlet device of the present embodiment, since the portion of the connection piece 51a led out from the opening 21a of the vessel body 11 to the outside of the vessel body 11 is covered with the cover 21b, the connection piece 51a is removed from the user. As a result, it is possible to prevent the user from misidentifying the connecting piece 51a as a charged portion and feeling uneasy.

  In addition, since the ground electrode blade receiving portion and the like are generally formed using copper having good conductivity and a metal material having a high copper content, it is low in environmental resistance and is likely to be discolored. In this embodiment, by covering the connection piece 51a with the cover 21b, there is an effect that such discoloration can be prevented and the aesthetics are not impaired.

  In the outlet device of the first embodiment, the connection piece 70d is provided on the earth terminal 70. However, since such an earth terminal is often made of copper having good conductivity, the connection piece 70d is viewed. Users may feel anxious. Therefore, the cover 21b as in the present embodiment may be provided also in the outlet device of the first embodiment.

(A) is a perspective view of the front side of the outlet apparatus of Embodiment 1, (b) is a perspective view of the rear side. (A) is the elements on larger scale of Drawing 1 (a), and (b) is the elements on larger scale of Drawing 1 (b). (A) is the partial exploded perspective view of the outlet device of Embodiment 1, (b) is the partial exploded perspective view of the outlet device same as the above. (A) is a partial exploded perspective view of an outlet apparatus same as the above, and (b) is a partially exploded perspective view of the outlet apparatus same as the above. (A) is a perspective view of the front side of the outlet device of Embodiment 2, and (b) is a perspective view of the rear side. (A) is a perspective view of the body of Embodiment 2, (b) is a front view. (A) is a perspective view of the blade receiving part for ground electrodes, and (b) is a perspective view of a metal frame. (A) is an enlarged view before the fitting of the principal part of an outlet apparatus, (b) is an enlarged view after fitting. (A) is the perspective view of the front side of the outlet apparatus of Embodiment 3, (b) is a perspective view of the rear side, (c) is the elements on larger scale of the figure (a). (A) is a perspective view of the container body of the outlet apparatus of Embodiment 4, (b) is a perspective view of the rear surface side of the outlet apparatus of Embodiment 4. FIG. (A) is a perspective view of the conventional outlet apparatus, (b) is a front view which shows the inside of a container.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Body 3a, 3b Power supply wire blade insertion hole 3c Ground electrode wire blade insertion hole 3f Opening part 70 Earth terminal 70d Connection piece 8 Metal frame 8c Opening window

Claims (5)

  A device body having a pair of power supply blade insertion holes and a grounding electrode blade insertion hole into which a pair of power supply blades and grounding electrode blades of the plug are respectively inserted, and housed in the device body A power supply blade receiving portion that is in contact with and connected to the pair of power supply blades; a grounding electrode blade receiving portion that is housed in the container and is in contact connection with the grounding electrode plug blade; In an outlet device comprising a metal frame for an embedded wiring device to which the device is attached in a state where the front surface is exposed from an opening window provided in a central portion, the blade receiving portion for the ground electrode includes the container An outlet device, characterized in that a connection piece led out of the container body from an opening provided on a side surface and connected in contact with the metal frame is integrally formed.   A device body having a pair of power supply blade insertion holes and a grounding electrode blade insertion hole into which a pair of power supply blades and grounding electrode blades of the plug are respectively inserted, and housed in the device body A power supply blade receiving portion that is in contact with and connected to the pair of power supply blades; a grounding electrode blade receiving portion that is housed in the container and is in contact connection with the grounding electrode plug blade; In an outlet device comprising: an earth terminal exposed on the front surface; and a metal frame for an embedded wiring apparatus to which the container is attached in a state where the front surface is exposed from an opening window provided in a central portion. An outlet device, wherein a grounding terminal is integrally formed with a connecting piece that is led out from the opening provided on the side surface of the container body and connected to the metal frame in contact with the ground terminal.   The outlet device according to claim 1, further comprising a cover that covers a portion of the connection piece led out of the container from the opening.   A device body having a pair of power supply blade insertion holes and a grounding electrode blade insertion hole into which a pair of power supply blades and grounding electrode blades of the plug are respectively inserted, and housed in the device body A power supply blade receiving portion that is in contact with and connected to the pair of power supply blades; a grounding electrode blade receiving portion that is housed in the container and is in contact connection with the grounding electrode plug blade; In an outlet device comprising a metal frame for an embedded wiring device to which the device body is attached in a state where the front surface is exposed from an opening window provided in a central portion, the metal frame is provided on a side surface of the device body. A power outlet device, wherein a connecting piece is formed integrally with the ground electrode blade receiving portion through contact with the ground electrode blade receiving portion through an opening provided.   A device body having a pair of power supply blade insertion holes and a grounding electrode blade insertion hole into which a pair of power supply blades and grounding electrode blades of the plug are respectively inserted, and housed in the device body A power supply blade receiving portion that is in contact with and connected to the pair of power supply blades; a grounding electrode blade receiving portion that is housed in the container and is in contact connection with the grounding electrode plug blade; An outlet device comprising: a ground terminal that is exposed on the front surface of the container body; and a metal frame for an embedded wiring device to which the container body is attached in a state where the front surface is exposed from an opening window provided in a central portion. The metal frame is introduced into the container through an opening provided on a side surface of the container, and the earth terminal or both the earth terminal and the ground electrode blade receiving part The connection pieces to be contact-connected must be formed integrally. Outlet device according to claim.

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