JP6748975B2 - Wiring equipment - Google Patents

Description

TECHNICAL FIELD The present invention relates generally to a wiring device, and more particularly to a wiring device configured to be connectable with a plug-in type terminal.

Conventionally, there has been provided a wiring device including a USB socket to which a USB plug is connected (see, for example, Patent Document 1). The wiring device described in Patent Document 1 includes a first printed wiring board, a second printed wiring board, and a housing that houses the first printed wiring board and the second printed wiring board. A USB socket and a part of a plurality of circuit components forming an AC-DC converter are mounted on the first printed wiring board. Of the plurality of circuit components, the remaining circuit components except the circuit component mounted on the first printed wiring board are mounted on the second printed wiring board.

JP, 2014-155396, A

In the wiring device described in Patent Document 1, the normal direction of the first printed wiring board and the second printed wiring board is the insertion direction of the USB plug (first outer terminal) into the USB socket (first inner terminal). It is housed along the housing. Therefore, there is a problem that the housing becomes large in a direction intersecting the insertion direction.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a wiring device that can downsize a housing in a direction intersecting a direction in which a first outer terminal is inserted into a first inner terminal.

A wiring device according to one aspect of the present invention is a wiring device that is attached to a construction surface, and includes a first inner terminal, a second inner terminal, a first substrate, a second substrate, a housing, a yoke, and Equipped with. The first inner terminal is configured to be connectable to a plug-in type first outer terminal. The second inner terminal is configured to be connectable to the second outer terminal. The first inner terminal is mounted on the first substrate. The second substrate is electrically connected to the first substrate. The housing houses the first substrate and the second substrate. The yoke is housed in the housing. A plurality of electronic components that constitute an AC-DC converter that converts AC power supplied from an external power supply into DC power is mounted on the second substrate. A smoothing capacitor that is electrically connected to the first inner terminal and that smoothes the DC power and outputs the smoothed DC power to the first inner terminal is mounted on the first substrate. The plurality of electronic components include a transformer. The yoke is arranged so as to cover the transformer from at least one direction.

According to the present invention, there is an advantage that the housing can be downsized in the direction intersecting the inserting direction of the first outer terminal with respect to the first inner terminal.

FIG. 1 is an exploded perspective view of a wiring device according to an embodiment of the present invention. FIG. 2 is a perspective view of the above wiring device. FIG. 3A is a front view of a body included in the above wiring device, FIG. 3B is a plan view, and FIG. 3C is a bottom view. FIG. 4A is a front view of a cover provided in the above wiring device, FIG. 4B is a plan view, and FIG. 4C is a bottom view. FIG. 5A is a front view of a support member included in the above wiring device, FIG. 5B is a plan view, and FIG. 5C is a bottom view. FIG. 6A is a left side view of a support member included in the above wiring device, and FIG. 6B is a right side view thereof. FIG. 7 is a perspective view of the wiring device of the above with a cover removed. FIG. 8 is a cross-sectional view of the above wiring device. FIG. 9 is another cross-sectional view of the above wiring device.

An embodiment of the present invention will be described below. The following embodiment is only one of the various embodiments of the present invention. Further, the following embodiments can be variously modified according to the design and the like as long as the object of the present invention can be achieved.

(1) Outline First, an outline of the wiring device 10 according to the present embodiment will be described with reference to FIGS. 1 and 2.

The wiring device 10 according to the present embodiment is, for example, a USB outlet to which a USB plug provided at the tip of a USB cable can be connected, and powers an electric device (for example, a smartphone) electrically connected to the USB cable. Supply. The wiring device 10 according to the present embodiment is, for example, an indoor wiring device attached to the wall of a building. The building in which the wiring device 10 is installed is, for example, a detached house, each dwelling unit of an apartment house, an office, a store, a nursing facility, or the like.

The wiring device 10 is attached to a construction surface (here, a wall surface of a building) in a state where an electric wire is electrically connected to the wiring device 10. In the wiring device 10, by inserting the USB plug of the USB cable into the first insertion hole 320 formed in the front surface of the cover 3, the USB plug is electrically connected, and the power from the wiring device 10 to the electric device is supplied. Supply is possible. Here, the wiring device 10 is an embedded wiring device, and is attached to a construction surface using an attachment frame. Specifically, the wiring device 10 is attached to the construction surface by fixing the attachment frame to which the wiring device 10 is attached, for example, to the embedding box. The embedding box mentioned here is a box-shaped member having an open front surface, and is installed in the wall so that the front surface is exposed to the front through a construction hole formed in the construction surface.

As shown in FIG. 1, the wiring device 10 includes a first inner terminal 8, a second inner terminal 9, a first substrate 5, a second substrate 6, a third substrate 7, and a housing 1. ing. The first inner terminal 8 is configured to be connectable to a plug-in type first outer terminal 18. The second inner terminal 9 is configured to be connectable to the second outer terminal 19. The first outer terminal 18 is, for example, a USB plug, and the first inner terminal 8 is a USB socket to which the USB plug is detachably inserted. The second outer terminal 19 is, for example, a core wire of a power supply wire, and the second inner terminal 9 is a terminal fitting to which the core wire is electrically connected.

The first inner terminal 8 is mounted on the first substrate 5. The second substrate 6 is electrically connected to the first substrate 5. The second inner terminal 9 is mounted on the third substrate 7. The third substrate 7 is electrically connected to the second substrate 6. The housing 1 houses the first substrate 5, the second substrate 6, and the third substrate 7.

The normal direction of the first substrate 5 and the third substrate 7 is a direction along the insertion direction (front-back direction) of the first outer terminal 18 with respect to the first inner terminal 8. The normal direction of the second substrate 6 is a direction (vertical direction) that intersects the insertion direction.

As described above, the normal direction of the second substrate 6 is a direction intersecting with the inserting direction, and therefore, as compared with the case where the normal direction of the second substrate 6 is along the inserting direction, The housing 1 can be downsized in the direction intersecting the insertion direction.

(2) Details Hereinafter, the wiring device 10 according to the present embodiment will be described in detail. In the following description, unless otherwise specified, the arrows shown in FIGS. 1 to 9 define the up, down, left, and right directions of the wiring device 10. That is, when the wiring device 10 is attached to a construction surface from the front, the vertical direction (vertical direction) is the vertical direction, the horizontal direction is the horizontal direction, and the normal direction of the construction surface is the front-back direction (front side is the front side). ). However, these directions are not intended to define the usage direction of the wiring device 10. Further, the arrows shown in FIGS. 1 to 9 are described merely for the purpose of assisting the description, and have no substance.

As shown in FIGS. 1 and 2, the wiring device 10 according to the present embodiment has a first inner terminal 8, a second inner terminal 9, a first substrate 5, a second substrate 6, and a third substrate 7. The support member 4 and the housing 1 are provided.

The first inner terminal 8 is, for example, a USB (Universal Serial Bus) socket. As shown in FIG. 1, the first inner terminal 8 is mounted on the first substrate 5 such that its longitudinal direction (left-right direction) is along the longitudinal direction of the first substrate 5. In other words, the longitudinal direction of the first inner terminal 8 and the longitudinal direction of the first substrate 5 are the same direction. The first inner terminal 8 is configured to be connectable to a plug-in type first outer terminal 18. Here, the first outer terminal 18 is a USB plug provided at the tip of the USB cable (see FIG. 1). The USB socket and the USB plug comply with the USB standard such as USB 3.0.

The second inner terminal 9 is a terminal fitting formed by bending a sheet metal made of, for example, a copper alloy into a U-shape when viewed from the rear. The second inner terminals 9 are a set of two here. These second inner terminals 9 are mounted on the third substrate 7 with their openings facing each other.

A corresponding locking spring 11 is housed in the space surrounded by the left piece, the lower piece (or the upper piece) and the right piece of each second inner terminal 9. As shown in FIG. 1, the locking spring 11 has a support piece 110, a locking piece 111, and a pressing piece 112. The support piece 110 has a plate shape that is long in the front-rear direction. The locking piece 111 has a plate shape and is integrally formed at the rear end of the support piece 110. The locking piece 111 is inclined obliquely forward from the rear end of the support piece 110. The pressing piece 112 has a U-shape when viewed from above and below, and is integrally formed at the front end of the support piece 110.

The second inner terminal 9 is configured to be connectable to the second outer terminal 19. The second outer terminal 19 is here a core wire of a power supply wire electrically connected to an external power source (for example, a commercial power source). The second outer terminal 19 is pressed against the left piece of the second inner terminal 9 by the pressing force from the pressing piece 112 of the locking spring 11, so that the second inner terminal 9 and the second outer terminal 19 are electrically connected. Connected.

The first substrate 5 is a printed wiring board made of, for example, glass/epoxy resin. The first substrate 5 has a rectangular shape that is long in the left-right direction. The first substrate 5 has a first surface 51 and a second surface 52. The first surface 51 is here the front surface of the first substrate 5, and the first inner terminals 8 are arranged on the first surface 51. The second surface 52 is here the rear surface of the first substrate 5, and the electronic component 15 is arranged on the second surface 52. The electronic component 15 is, for example, a smoothing capacitor. This smoothing capacitor smoothes the DC power from the second substrate 6 and outputs it to the first inner terminal 8. The electronic component 15 is arranged at the right and lower corners of the second surface 52.

The first substrate 5 has a plurality of (here, three) positioning holes 53. Each of the plurality of positioning holes 53 penetrates in a rectangular shape in the front-rear direction. The two positioning holes 53 of the plurality of positioning holes 53 are respectively provided at positions near both ends in the left-right direction on one upper side of the four sides of the first substrate 5 (only one side is shown in FIG. 1). ). The remaining one positioning hole 53 among the plurality of positioning holes 53 is provided at a position closer to the center in the left-right direction on one lower side of the four sides of the first substrate 5.

The first substrate 5 is housed in the housing 1 with its normal direction (thickness direction) along the front-rear direction. In other words, the normal direction of the first substrate 5 is the direction along the insertion direction of the first outer terminal 18 with respect to the first inner terminal 8. Here, in the present embodiment, the insertion direction of the first outer terminal 18 with respect to the first inner terminal 8 is the front-back direction.

The second substrate 6, like the first substrate 5, is a printed wiring board made of, for example, glass/epoxy resin. The second substrate 6 includes a rectangular main portion 61 that is long in the front-rear direction and a rectangular protrusion 62 that protrudes leftward from the front and left corners of the main portion 61, and the shape viewed from the top and bottom is L-shaped. Is formed in. A plurality of electronic components 16 are arranged on one surface (lower surface) of the second substrate 6 (main portion 61 and protruding portion 62). The plurality of electronic components 16 configure, for example, an AC-DC converter that converts AC power supplied from an external power supply via the electric wire into DC power of a predetermined voltage. Therefore, the plurality of electronic components 16 include a transformer, an electrolytic capacitor, a resistor, an inductor and the like.

In addition, a terminal portion 17 having a plurality of (here, three) connection pins is mounted on the main portion 61 of the second substrate 6. The second board 6 is electrically connected to the first board 5 by inserting a plurality of connection pins into a plurality (here, three) of through holes formed in the first board 5 and connecting them by soldering. To be done. That is, the second substrate 6 outputs the DC power generated by the AC-DC converter to the first substrate 5 via the terminal portion 17. The second substrate 6 is housed in the housing 1 with its normal direction (thickness direction) intersecting the front-rear direction. In other words, the normal direction of the second substrate 6 is a direction intersecting with the insertion direction.

The second substrate 6 is housed together with the yoke 13 in the second housing portion 21 of the body 2 described later. The yoke 13 forms a magnetic circuit together with a transformer, which is one of the electronic components 16 mounted on the second substrate 6. The yoke 13 is formed into a U-shape when viewed from above and below by bending a metal plate, for example. The yoke 13 has a plate-shaped rear piece 130 extending in the left-right direction, a right piece 131 protruding forward from the right end of the rear piece 130, and a left piece 132 protruding forward from the left end of the rear piece 130. ing. The yoke 13 is arranged so as to cover the right side, the rear side, and the left side of the transformer mounted on the second substrate 6 in the state of being housed in the second housing portion 21.

Like the first substrate 5, the third substrate 7 is a printed wiring board made of, for example, glass/epoxy resin. The third substrate 7 has a rectangular shape that is long in the vertical direction. Two second inner terminals 9 are arranged side by side in the vertical direction on one surface (rear surface) of the third substrate 7. The third substrate 7 is electrically connected to the second substrate 6 via a lead wire or the like, for example, and outputs AC power supplied from an external power source to the second substrate 6 via the electric wire.

As shown in FIG. 1, the housing 1 includes a box-shaped body 2 having one surface (front surface) opened, and a cover 3 attached to the body 2 so as to close the opening of the body 2. The body 2 and the cover 3 are made of, for example, PBT (Polybutylene terephthalate) resin.

The body 2 has a rectangular parallelepiped shape that is long in the left-right direction, as shown in FIGS. 3A to 3C. The body 2 has a second storage portion 21 for storing the second substrate 6 and a third storage portion 22 for storing the third substrate 7. In other words, the internal space of the body 2 is divided into the second storage portion 21 and the third storage portion 22 by the vertical wall 23 protruding forward from the bottom wall of the body 2. That is, the space on the right side of the vertical wall 23 in the internal space of the body 2 is the second storage portion 21, and the space on the left side of the vertical wall 23 is the third storage portion 22. Here, the second storage portion 21 and the third storage portion 22 have different outer dimensions (height dimensions) along the front-rear direction. In the present embodiment, the height dimension of the third storage portion 22 is smaller than the height dimension of the second storage portion 21 (see FIG. 3A).

The second storage section 21 has a pair of holding grooves 210, a first support section 211, a second support section 212, a third support section 213, and a fourth support section 214.

Each of the pair of holding grooves 210 has a U shape when viewed from the front-rear direction, and is formed along the front-rear direction. The pair of holding grooves 210 are provided on the left side wall and the right side wall of the second storage portion 21, respectively. The pair of holding grooves 210 are provided at positions on the upper side of the second storage portion 21, respectively. Then, by inserting both ends of the second substrate 6 in the left-right direction into the pair of holding grooves 210, the second substrate 6 is housed in the second housing portion 21 and held by the body 2. In other words, the second substrate 6 is held by the body 2 by inserting both ends of the second substrate 6 in the direction intersecting the insertion direction and in the direction normal to the second substrate 6 into the pair of holding grooves 210, respectively. It

The first support portion 211 is provided on the right and lower corners of the second storage portion 21. The first support portion 211 projects forward from the bottom wall of the body 2. The surface (front surface) of the first support portion 211 is located rearward of the front end surface of the body 2 in the front-rear direction. A protrusion 2110 that protrudes forward is integrally formed at a position near the center of the front surface of the first support portion 211.

The second support portion 212 is provided on the right and upper corners of the second storage portion 21. In other words, the second support portion 212 is provided above the holding groove 210 on the right side of the pair of holding grooves 210. The second support portion 212 projects forward from the bottom wall of the body 2. The surface (front surface) of the second support portion 212 is located rearward of the front end surface of the body 2 in the front-rear direction. In other words, the front surface of the second support portion 212 is at the same position as the front surface of the first support portion 211 in the front-rear direction.

The third support portion 213 is provided on the left side of the second support portion 212. The third support portion 213 projects forward from the bottom wall of the body 2. The surface (front surface) of the third support portion 213 is located rearward of the front end surface of the body 2 in the front-rear direction. In other words, the front surface of the third support portion 213 is at the same position as the front surfaces of the first support portion 211 and the second support portion 212 in the front-rear direction.

The fourth support portion 214 is provided on the left and upper corners of the second storage portion 21. The fourth support portion 214 projects forward from the bottom wall of the body 2. The surface (front surface) of the fourth support portion 214 is located rearward of the front end surface of the body 2 in the front-rear direction. In other words, the front surface of the fourth support portion 214 is at the same position as the front surfaces of the first support portion 211, the second support portion 212, and the third support portion 213 in the front-rear direction. Here, in the present embodiment, the first support portion 211, the second support portion 212, the third support portion 213, and the fourth support portion 214 form a support portion that supports the support member 4 described later.

The vertical wall 23 that separates the second storage portion 21 and the third storage portion 22 has two protrusions 231. The two protrusions 231 project forward from both ends of the vertical wall 23 in the vertical direction.

The third storage section 22 has two terminal storage sections 220 and a button storage section 221. The two terminal accommodating portions 220 are arranged side by side in the vertical direction with a predetermined gap. The button storage portion 221 is provided between the two terminal storage portions 220 in the vertical direction.

Each of the two terminal accommodating portions 220 accommodates one of the two second inner terminals 9 (including the corresponding locking spring 11) mounted on the third substrate 7. In a state where the two second inner terminals 9 are accommodated in the two terminal accommodating portions 220, the third substrate 7 is placed on the front end surface of the third accommodating portion 22. Second insertion holes 2200 penetrating in the front-rear direction are provided at positions corresponding to the two terminal accommodating portions 220 on the bottom wall of the body 2. Then, by inserting the second outer terminal 19 into the second insertion hole 2200, the second outer terminal 19 is electrically connected to the second inner terminal 9. At this time, the second outer terminal 19 is inserted between the second inner terminal 9 and the corresponding locking spring 11, and the left side of the second inner terminal 9 is pressed by the pressing force of the pressing piece 112 of the locking spring 11. To contact. Further, the second outer terminal 19 is prevented from coming off by the corresponding locking piece 111 of the locking spring 11.

The release button 12 (see FIG. 1) is stored in the button storage portion 221. The release button 12 is a button for releasing the locked state of the second outer terminal 19 by the locking spring 11. The release button 12 is made of, for example, PBT resin. The release button 12 has an operation piece 120 and two action pieces 121. The operation piece 120 has a rectangular parallelepiped shape that is long in the front-rear direction. The two action pieces 121 are integrally formed on both sides of the operation piece 120 in the vertical direction. A release hole 2210 penetrating in the front-rear direction is provided in the bottom wall of the body 2 at a position corresponding to the button storage portion 221. The release hole 2210 is a long hole that is long in the vertical direction.

The release button 12 is movable in the front-rear direction between the first position and the second position in the state of being stored in the button storage portion 221. When the release button 12 is in the first position, the locking piece 111 of the locking spring 11 prevents the second outer terminal 19 from coming off. When the release button 12 is in the second position, the action piece 121 of the release button 12 moves the locking piece 111 in the direction away from the second outer terminal 19, and the retaining of the second outer terminal 19 is released. That is, the second outer terminal 19 can be pulled out by moving the release button 12 to the second position. When moving the release button 12 to the second position, the release button 12 is moved to the second position by inserting a release jig (for example, a minus driver) into the release hole 2210. Further, when the release button 12 is moved to the first position, the release jig is pulled out from the release hole 2210 so that the release button 12 is moved to the first position by the elastic force from the locking piece 111 of the locking spring 11. Move to.

The body 2 has a plurality of (here, four) assembly protrusions 24. Two of the plurality of assembly protrusions 24 are provided on the upper side wall of the body 2. These two assembly projections 24 are arranged on the upper side wall in the left-right direction with a predetermined gap. The remaining two assembly protrusions 24 of the plurality of assembly protrusions 24 are provided on the lower side wall of the body 2. These two assembly projections 24 are arranged on the lower side wall in the left-right direction with a predetermined gap. These four assembly projections 24 are respectively fitted into four assembly holes 330 provided in the cover 3 described later, so that the body 2 and the cover 3 are coupled to each other, and the housing 1 is assembled.

Further, the body 2 has two ridge portions 25. One of the two protrusions 25 projects forward from the front end of the left side wall of the body 2. The other of the two ridges 25 projects forward from the front end of the right side wall of the body 2. These ridges 25 are formed to have a predetermined length along the vertical direction.

As shown in FIGS. 4A to 4C, the cover 3 has a rectangular parallelepiped shape that is long in the left-right direction. The cover 3 has a cover body 31, a protrusion 32, and two assembly pieces 33.

The cover body 31 has a rectangular parallelepiped shape whose rear surface (a surface facing the body 2) is open. The cover body 31 has a plurality of (here, four) deforming portions 310, insertion portions 311 and 312, four mounting grooves 313, and two insertion grooves 314.

The plurality of deformable portions 310 are provided near the four corners of the front wall of the cover body 31 (see FIG. 4C). Each of the plurality of deformable portions 310 has a conical shape and projects rearward from the rear surface of the front wall of the cover body 31. The plurality of deforming portions 310 are plastically deformed by coming into contact with the first surface 51 of the first substrate 5 when the wiring device 10 is assembled. In other words, the tip portions of the plurality of deformable portions 310 are crushed by coming into contact with the first surface 51 of the first substrate 5.

The insertion portion 311 is provided on the left side of the cover body 31 and near the lower corner. The insertion portion 311 projects rearward from the rear surface of the front wall of the cover body 31. The insertion portion 311 is located rearward of the rear end surface of the cover body 31 in the front-rear direction. In other words, the insertion portion 311 projects rearward from the rear end surface of the cover body 31.

The insertion portion 312 is provided on the left side of the cover body 31 and in the vicinity of the upper corner. The insertion portion 312 projects rearward from the rear surface of the front wall of the cover body 31. The insertion portion 312 is located rearward of the rear end surface of the cover body 31 in the front-rear direction. In other words, the insertion portion 312 projects rearward from the rear end surface of the cover body 31. These insertion portions 311 and 312 are inserted into the body 2 with the cover 3 attached to the body 2.

Each of the four mounting grooves 313 has a small width portion 3130 and a wide portion 3131. The width dimension (horizontal dimension) of the small width portion 3130 is slightly larger than the width dimension of the arm piece 141 of the mounting bracket 14 described later. The width dimension of the wide portion 3131 is larger than the width dimension of the small width portion 3130. The wide portion 3131 is located behind the narrow portion 3130 in the front-rear direction.

Two of the four mounting grooves 313 are provided on the upper side wall of the cover body 31. These two mounting grooves 313 are provided at positions near both ends of the upper side wall in the left-right direction. The remaining two mounting grooves 313 of the four mounting grooves 313 are provided on the lower side wall of the cover body 31. These two mounting grooves 313 are provided at positions near both ends of the lower wall in the left-right direction. In the present embodiment, the mounting groove 313 located on the right side of the upper side wall and the mounting groove 313 located on the right side of the lower side wall constitute one set of mounting grooves, and the mounting groove 313 located on the left side of the upper side wall and the lower side wall. A pair of mounting grooves is formed with the mounting groove 313 located on the left side of. Then, one fitting 14 is attached to each set of mounting grooves.

Here, the wiring device 10 according to the present embodiment is attached to the attachment frame by the two attachment fittings 14. As shown in FIG. 1, each of the two mounting members 14 has a U shape when viewed from the left and right. Each mounting member 14 has a main piece 140 and two arm pieces 141. The main piece 140 has an L-shape when viewed from above and below, and is formed along the up and down direction. On the left end edge (or right end edge) of the main piece 140, two hooking claws 1400 protruding leftward (or rightward) are integrally formed. The two hooking claws 1400 are provided at positions near both ends of the main piece 140 in the vertical direction. Then, the wiring device 10 is attached to the attachment frame by hooking these hooking claws 1400 into the two hooking holes provided in the attachment frame.

Two arm pieces 141 are integrally formed at both ends of the main piece 140 in the vertical direction. Each of the two arm pieces 141 has a plate shape extending along the front-rear direction. Two bending pieces 1410 that are bifurcated in the left-right direction are integrally formed at the front end portion (rear end portion) of each arm piece 141.

One of the two mounting brackets 14 (right side in FIG. 1) is mounted on the right side of the cover body 31. At this time, the arm piece 141 on one side (the lower side in FIG. 1) of the mounting bracket 14 is arranged in the mounting groove 313 on the right side of the lower side wall of the cover body 31, and the arm piece on the other side (the upper side in FIG. 1). 141 is arranged in the mounting groove 313 on the right side of the upper side wall of the cover body 31. Then, the mounting bracket 14 is attached to the cover 3 by bending the two bending pieces 1410 of each arm piece 141 in directions away from each other. The other (left side in FIG. 1) mounting bracket 14 is also mounted on the cover 3 by the same procedure.

The two insertion grooves 314 are provided at the rear end portions of the left side wall and the right side wall of the cover body 31, respectively. The two insertion grooves 314 are formed in a predetermined length along the vertical direction. In the state in which the wiring device 10 is assembled, the two protrusions 25 are inserted into the two insertion grooves 314, respectively.

The protrusion 32 has a rectangular parallelepiped shape that is long in the left-right direction, and projects forward from the front wall of the cover body 31. The front wall 300 of the protrusion 32 is provided with a first insertion hole (insertion hole) 320 penetrating in the front-rear direction. The first insertion hole 320 is provided at a position including the center of the facing surface 300a (see FIG. 4C) which is the rear surface of the front wall 300 of the protrusion 32. The first insertion hole 320 has a rectangular shape that is long in the left-right direction. In other words, the longitudinal direction of the first insertion hole 320 is the direction along the longitudinal direction of the front wall 300 of the protrusion 32. Then, the first inner terminal 8 mounted on the first substrate 5 is housed in the housing 1 such that the longitudinal direction thereof is along the longitudinal direction (horizontal direction) of the housing 1.

The internal space of the cover body 31 and the internal space of the protrusion 32 are connected to each other, and here, the two internal spaces form a first storage part 34. Therefore, when the wiring device 10 is assembled, the first substrate 5 (including the first inner terminal 8) is stored in the first storage portion 34.

Assembly pieces 33 projecting rearward are integrally formed on the upper and lower side walls of the cover body 31, respectively. These assembly pieces 33 have a rectangular shape when viewed from above and below. Each of the assembling pieces 33 is provided with two assembling holes 330 that are arranged in the left-right direction at predetermined intervals. When the cover 3 is attached to the body 2, the two assembly protrusions 24 provided on the upper side wall of the body 2 are fitted into the two assembly holes 330 of the assembly piece 33 on the upper side of the cover 3, respectively. Further, when the cover 3 is attached to the body 2, the two assembly protrusions 24 provided on the lower side wall of the body 2 are fitted into the two assembly holes 330 of the assembly piece 33 on the lower side of the cover 3, respectively. Get stuck. As a result, the body 2 and the cover 3 are joined together, and the housing 1 is assembled.

The support member 4 is made of, for example, PBT resin. As shown in FIGS. 5A to 5C, 6A and 6B, the support member 4 has a rectangular parallelepiped shape with one surface (rear surface) opened in the left-right direction. The support member 4 has a support portion 41, a lower side wall portion 42, an upper side wall portion 43, a left side wall portion 44, and a right side wall portion 45. Here, in the present embodiment, the side wall portion is constituted by the lower side wall portion 42, the upper side wall portion 43, the left side wall portion 44, and the right side wall portion 45.

The support portion 41 has a rectangular plate shape that is long in the left-right direction and has a mounting surface (front surface) 400 on which the first substrate 5 is mounted. The mounting surface 400 intersects the insertion direction. Further, the support portion 41 has an opening hole 410, a component insertion hole 411, a plurality of (here, three) positioning protrusions 412, and a plurality (here, three) of holding ribs 413.

The opening hole 410 has a rectangular shape that is long in the left-right direction, and penetrates in the front-rear direction near the center of the support portion 41. The component insertion hole 411 has a rectangular shape that is long in the up-down direction, and penetrates in the front-rear direction on the right side of the opening hole 410 in the support portion 41.

Two of the plurality of positioning protrusions 412, the positioning protrusions 412, protrude forward from the upper edge of the support portion 41. These two positioning protrusions 412 are provided at positions near both ends in the left-right direction. The remaining one positioning protrusion 412 among the plurality of positioning protrusions 412 projects forward from the lower end edge of the support portion 41. The positioning protrusion 412 is provided at a position closer to the center in the left-right direction.

Here, the fixing structure 200 for fixing the first substrate 5 to the support member 4 is composed of the plurality of positioning protrusions 412 provided on the support member 4 and the plurality of positioning holes 53 provided on the first substrate 5. It is configured. Then, in the present embodiment, as shown in FIG. 5A, the plurality of positioning protrusions 412 are the plane 100 passing through the center point P1 of the support portion 41, and the first outer terminal 18 is inserted into the first inner terminal 8. It is asymmetric with respect to the plane 100 along the direction. Therefore, the first substrate 5 is placed on the placement surface 400 of the support portion 41 only when the first substrate 5 is aligned such that the two positioning protrusions 412 and the two positioning holes 53 correspond to each other. be able to. That is, when the first substrate 5 is rotated 180 degrees around the center point P1 of the supporting portion 41 as the rotation center, the first substrate 5 cannot be placed on the supporting portion 41, and the first substrate 5 is not attached properly. Can be suppressed.

Further, the vertical dimension and the lateral dimension of the positioning hole 53 are slightly smaller than the vertical dimension and the lateral dimension of the positioning protrusion 412. Therefore, when the three positioning protrusions 412 are inserted into the three positioning holes 53, respectively, not only the first substrate 5 can be positioned with respect to the supporting portion 41 but also the first substrate 5 with respect to the supporting portion 41. 5 can be firmly attached.

Further, when the first substrate 5 is attached (supported) to the support portion 41, the electronic component 15 mounted on the first substrate 5 is passed through the component insertion hole 411 of the support portion 41. Furthermore, when the first substrate 5 is supported by the support portion 41, the connection pin of the first inner terminal 8 exposed to the second surface 52 side of the first substrate 5 with the first substrate 5 is opened in the support portion 41. It is passed through the hole 410.

The plurality of pressing ribs 413 protrude rearward from the rear surface of the support portion 41 (the surface opposite to the mounting surface 400). The plurality of pressing ribs 413 are provided along the left-right direction at the upper edge of the opening hole 410. The plurality of pressing ribs 413 contact the front end surface of the second substrate 6 in the assembled state of the wiring device 10 and apply a backward force to the second substrate 6.

The lower side wall portion 42 projects rearward (on the side opposite to the first substrate 5) from one side (lower side) of the four sides of the mounting surface 400 of the support portion 41. The lower side wall portion 42 has a plurality of (here, three) holding portions 420, 421, a groove 422, and a through hole 423. The through hole 423 vertically penetrates at a position facing the electronic component 16 mounted on the second substrate 6. The plurality of pressing portions 420 and 421 project rearward from the rear end portion of the lower side wall portion 42. Two of the plurality of holding parts 420 and 421 are provided on the right side of the through hole 423. The remaining one holding portion 421 among the plurality of holding portions 420 and 421 is provided on the left side of the through hole 423. The groove 422 is provided between the two holding portions 420 arranged in the left-right direction.

The upper side wall portion 43 projects rearward (on the side opposite to the first substrate 5) from one side (upper side) of the four sides of the mounting surface 400 of the support portion 41. The upper side wall portion 43 has a plurality of (here, three) holding portions 430 and 431 and a groove 432. The plurality of pressing portions 430 and 431 project rearward from the rear end portion of the upper side wall portion 43. One pressing portion 430 of the plurality of pressing portions 430 and 431 is provided at a position near the right end of the upper side wall portion 43. The remaining two holding portions 430, 431 among the plurality of holding portions 430, 431 are provided at positions near the center of the upper side wall portion 43 in the left-right direction. The groove 432 is provided between the two holding portions 430 and 431 arranged in the left-right direction.

The left side wall portion 44 projects rearward (on the side opposite to the first substrate 5) from one side (left side) of the four sides of the mounting surface 400 of the support portion 41. The left side wall portion 44 has a plurality of (here, two) holding portions 440, a vertical groove 441, and an insertion groove 442. The plurality of pressing portions 440 project rearward from the rear end portion of the left side wall portion 44. The plurality of pressing portions 440 are provided at both end portions of the left side wall portion 44 in the vertical direction. The vertical groove 441 has an arc shape when viewed from the front-rear direction, and is formed along the front-rear direction on the surface (left surface) of the left side wall portion 44. The insertion groove 442 has a U-shape when viewed from the front-rear direction, and is formed along the front-rear direction. The insertion groove 442 is provided below the upper holding portion 440. The left end portion of the second substrate 6 is inserted into the insertion groove 442.

The right side wall portion 45 projects rearward (on the side opposite to the first substrate 5) from one side (right side) of the four sides of the mounting surface 400 of the support portion 41. The right side wall portion 45 has a pressing portion 450, an insertion groove 451, and an escape groove 452. The pressing portion 450 projects rearward from the rear end portion of the right side wall portion 45. The pressing portion 450 is provided on the upper end portion of the right side wall portion 45. The insertion groove 451 has a U-shape when viewed from the front-rear direction, and is formed along the front-rear direction. The insertion groove 451 is provided below the pressing portion 450. The right end portion of the second substrate 6 is inserted into the insertion groove 451. The escape groove 452 is formed so as to be continuous with the insertion groove 451. In a state where the wiring device 10 is assembled, a part of the second substrate 6 enters the escape groove 452.

(3) Wiring Device Assembly Method Next, a method of assembling the wiring device 10 according to the present embodiment will be described.

The operator stores the release button 12 in the button storage portion 221 of the third storage portion 22, then stores the second substrate 6 in the second storage portion 21 of the body 2, and stores the third substrate 7 in the third storage portion 22. Stored in the section 22. At this time, the left and right ends of the main portion 61 of the second substrate 6 are inserted into the pair of holding grooves 210, respectively. At this time, the two second inner terminals 9 (including the corresponding locking springs 11) mounted on the third substrate 7 are stored in the two terminal storage portions 220 of the third storage portion 22, respectively. R. The third substrate 7 is placed on the front end face of the third storage portion 22 so that the normal direction thereof is along the front-back direction.

Next, the operator places the support member 4 on the body 2 so as to cover the second substrate 6 (see FIG. 7). At this time, the two holding portions 420 of the support member 4 come into contact with the first supporting portion 211 of the body 2 from the front (on the side of the first substrate 5), and the holding portion 450 comes into contact with the second supporting portion 212 from the front. At this time, one of the two holding portions 430 comes into contact with the third supporting portion 213 from the front, and the other comes into contact with the fourth supporting portion 214 from the front. Further, at this time, the pressing portions 421, 4
31, 440 contacts the surface (front surface) of the third substrate 7 from the front. Here, in this embodiment, the contact portions are constituted by the holding portions 420, 430, and 450.

When the support member 4 is placed on the body 2, a part of the second substrate 6 is placed in a space surrounded by the support portion 41, the lower side wall portion 42, the upper side wall portion 43, the left side wall portion 44, and the right side wall portion 45. It is stored. That is, in the present embodiment, the storage portion 46 is configured by the space surrounded by the support portion 41, the lower side wall portion 42, the upper side wall portion 43, the left side wall portion 44, and the right side wall portion 45. In other words, the storage portion 46 is provided between the support portion 41 and the contact portion in the insertion direction (front-back direction) of the first outer terminal 18 with respect to the first inner terminal 8.

Subsequently, the worker fixes the first substrate 5 to the support portion 41 of the support member 4. At this time, the three positioning protrusions 412 provided on the support portion 41 are fitted into the three positioning holes 53 provided on the first substrate 5, respectively. At this time, the electronic component 15 arranged on the second surface 52 of the first substrate 5 is passed through the component insertion hole 411, and the connection pin of the first inner terminal 8 exposed on the second surface 52 side is inserted into the opening hole 410. Passed through. In this state, the second surface 52 of the first substrate 5 and the mounting surface 400 of the support portion 41 are in contact with each other in the front-rear direction.

Finally, the worker attaches the cover 3 to the body 2 so as to close the front opening of the body 2. At this time, the four assembly protrusions 24 provided on the body 2 are fitted into the four assembly holes 330 provided on the cover 3, respectively. At this time, the insertion parts 311 and 312 provided on the cover 3 are inserted into the body 2. Further, at this time, the two protrusions 25 provided on the body 2 are inserted into the two insertion grooves 314 provided on the cover 3, respectively.

The wiring device 10 is assembled by the above procedure.

(4) Positional Relationship among First Substrate, Second Substrate, and Third Substrate FIGS. 8 and 9 are cross-sectional views of the wiring device 10 according to the present embodiment in an assembled state. Hereinafter, the positional relationship among the first substrate 5, the second substrate 6, and the third substrate 7 will be described with reference to FIGS. 8 and 9.

The first substrate 5 and the third substrate 7 are housed in the housing 1 such that the normal direction thereof is the front-back direction (the insertion direction of the first outer terminal 18 with respect to the first inner terminal 8 ). In other words, the normal direction of the first substrate 5 and the third substrate 7 is the direction along the insertion direction. The second substrate 6 is housed in the housing 1 with its normal direction being the vertical direction (the direction intersecting the insertion direction). In other words, the normal direction of the second substrate 6 is a direction intersecting with the insertion direction. As described above, since the normal line direction of the second substrate 6 intersects with the insertion direction, the normal line direction of the second substrate 6 is compared with the case where the normal line direction is along the insertion direction. The housing 1 can be downsized in the direction intersecting the insertion direction.

The third substrate 7 is located behind the protruding portion 62 of the second substrate 6 in the front-rear direction (vertical direction in FIG. 8). In other words, the third substrate 7 is located between both ends of the second substrate 6 in the front-back direction. Furthermore, in other words, the third substrate 7 is located between both ends of the second substrate 6 in the inserting direction. In this way, by disposing the third substrate 7 between both ends of the second substrate 6 in the front-rear direction, the third substrate 7 is disposed outside (front side or lower side) of both ends of the second substrate 6 in the front-rear direction. The housing 1 can be downsized in the front-rear direction as compared with the case.

As shown in FIGS. 8 and 9, the first substrate 5 is located in front of the second substrate 6 and the third substrate 7 in the front-rear direction. In other words, the first substrate 5 is located between the second substrate 6 and the third substrate 7 which are closer to the first insertion hole 320 and the first insertion hole 320. In this way, when the first substrate 5 and the second substrate 6 are arranged side by side in the front-rear direction by disposing the first substrate 5 between the second substrate 6 and the first insertion hole 320 in the front-rear direction. Compared with, the housing 1 can be downsized in the direction intersecting the front-back direction.

(5) Support Structure of Support Member The support structure of the support member 4 will be described below with reference to FIGS. 8 and 9.

The support member 4 includes the first support portion 211 and the second support portion 211 of the body 2 from the front side (first substrate 5 side) by the pressing portions 420, 430, 450 (only the pressing portion 420 is shown in FIG. 9) as the contact portions. 212, the 3rd support part 213, and the 4th support part 214 are contacted. Further, the support member 4 is in contact with the surface (front surface) of the third substrate 7 from the front by the pressing portions 421, 431, 440 (only the pressing portions 421, 431 are shown in FIG. 9). Further, the support member 4 is in contact with the front edge of the second substrate 6 from the front side by the plurality of pressing ribs 413 provided on the rear surface of the support portion 41 (see FIG. 8 ). The cover 3 is in contact with the first substrate 5 from the front by the plurality of deforming portions 310 provided on the rear surface (opposing surface 300a) of the front wall 300 of the cover body 31. In this way, the support member 4 for supporting the first substrate 5 is positioned in the front-rear direction by the body 2 and the cover 3.

By the way, when the mounting frame to which the wiring device 10 is attached is attached to the embedded box, the above-mentioned electric wire for supplying power from the external power source is connected to the wiring device 10. Then, when the mounting frame is attached to the embedding box, a forward stress may be applied to the electric wire by another electric wire or the like housed in the embedding box. The support member 4 is positioned in the front-rear direction by the body 2 and the cover 3 as described above, and the support member 4 receives the stress transmitted from the electric wire to the third substrate 7 via the second inner terminal 9. be able to.

In addition, after the wiring device 10 is installed, when the first outer terminal 18 is inserted into the first inner terminal 8, the stress applied from the first outer terminal 18 is transmitted to the support member 4 via the first substrate 5. It As described above, the support member 4 is positioned in the front-rear direction by the body 2 and the cover 3, and the support member 4 can receive the stress transmitted from the first substrate 5.

Further, the first insertion hole 320 for inserting the first outer terminal 18 is provided at one end (front end) of the housing 1 in the front-rear direction, and the second insertion hole 2200 for inserting the second outer terminal 19 is It is provided at the other end (rear end) of the housing 1 in the front-rear direction. That is, the direction in which the first outer terminal 18 is inserted into the first inner terminal 8 and the direction in which the second outer terminal 19 is inserted into the second inner terminal 9 are the same. In other words, the direction of the stress applied from the first outer terminal 18 when connecting the first outer terminal 18 to the first inner terminal 8 and the second direction when connecting the second outer terminal 19 to the second inner terminal 9. The direction of the stress applied from the outer terminal 19 is the same direction. Therefore, the structure for receiving the stress applied from the first outer terminal 18 and the second outer terminal 19 is in one direction (the insertion direction of the first outer terminal 18 with respect to the first inner terminal 8, that is, the upward and downward directions in FIG. 8). It only needs to be installed in. As a result, the structure can be simplified as compared with the case where the direction of the stress applied from the first outer terminal 18 and the direction of the stress applied from the second outer terminal 19 are different.

(6) Modified Example Hereinafter, a modified example of the present embodiment will be described.

In the present embodiment, the case where the first inner terminal 8 is a USB socket has been described as an example, but the first inner terminal 8 is not limited to a USB socket. The first inner terminal 8 may be, for example, an HDMI (High-Definition Multimedia Interface) terminal (registered trademark), a VGA (Video Graphics Array) terminal (registered trademark), a LAN (Local Area Network) terminal, or the like.

Further, in the present embodiment, the second inner terminal 9 is mounted on the third substrate 7, but the second inner terminal 9 may be mounted on the second substrate 6. In this case, the third substrate 7 can be omitted.

Further, in the present embodiment, the case has been described as an example where the normal line direction of the third substrate 7 is a direction along the inserting direction, but the normal line direction of the third substrate 7 is a direction intersecting with the inserting direction. May be In this case, the inserting direction of the second outer terminal 19 with respect to the second inner terminal 9 is a direction intersecting with the inserting direction of the first outer terminal 18 with respect to the first inner terminal 8.

In addition, in the present embodiment, the positioning holes 53 are provided in the first substrate 5 and the positioning protrusions 412 are provided in the supporting portion 41 of the supporting member 4, but the positioning protrusions are provided in the first substrate 5 and the supporting portion is provided. 41 may be provided with a positioning hole. Furthermore, the fixing structure 200 that fixes the first substrate 5 to the support portion 41 is an example, and a configuration other than the positioning hole 53 and the positioning protrusion 412 may be used. In other words, the fixing structure 200 may be any structure as long as it can position the first substrate 5 with respect to the support portion 41 and can fix the first substrate 5 to the support portion 41.

Further, in the present embodiment, the support member 4 has four side wall portions (the lower side wall portion 42, the upper side wall portion 43, the left side wall portion 44, and the right side wall portion 45), but the support member 4 is at least It only has to have one side wall. Further, the side wall portion may be covered with a surface at least half of the corresponding one side of the four sides of the mounting surface 400 of the support portion 41 in the longitudinal direction.

Further, in the present embodiment, the deformable portion 310 is formed integrally with the cover 3, but the deformable portion may be separate from the cover. In this case, the deformable portion may be formed of a plastically deformable material as in the present embodiment, or may be formed of an elastically deformable material. Further, the number of the deforming portions 310 is not limited to this embodiment, and may be one, two, three, or five or more.

Further, in the present embodiment, the holding groove 210 for holding the second substrate 6 is provided at both ends of the second storage portion 21 in the left-right direction, but the holding groove 210 is provided in the left-right direction of the second storage portion 21. It suffices if it is provided on at least one end portion of.

Further, in the present embodiment, the number of the positioning holes 53 and the positioning protrusions 412 provided on one side of the plane 100 is different from the number of the positioning holes 53 and the positioning protrusions 412 provided on the other side of the plane 100. Is asymmetrical. On the other hand, the number of the positioning holes 53 and the positioning protrusions 412 is the same on one side and the other side of the flat surface 100, and the positions where the positioning holes 53 and the positioning protrusions 412 are provided may be made asymmetric.

Further, the number of the holding ribs 413 of the present embodiment is an example, and may be 1, 2, or 4 or more.

Further, in the present embodiment, the support portion 41 is configured to support the first substrate 5 on the entire surface, but the support portion 41 is configured to support the first substrate 5 by a plurality of ribs, for example. May be.

Further, in the present embodiment, the case where the wiring device 10 attached to the mounting frame is attached to a construction surface such as a wall surface of a building has been described as an example, but the wiring device 10 is attached to, for example, a table or a desk. Good. In this case, the wiring device 10 may be attached to the table, the desk or the like such that the insertion direction of the first outer terminal 18 with respect to the first inner terminal 8 is along the normal direction (vertical direction) of the table, the desk or the like. preferable. In this case, it is assumed that, for example, water droplets or the like enter the housing 1 through the first insertion hole 320 provided in the cover 3. In this case, water droplets or the like that have entered the housing 1 can flow downward along the vertical groove 441 provided in the left side wall portion 44 of the support member 4. Water droplets and the like that have flowed downward along the vertical groove 441 flow into the button storage portion 221 of the third storage portion 22. Then, the water droplets and the like that have flowed into the button storage portion 221 flow out to the outside through the release hole 2210 provided in the bottom wall of the button storage portion 221. As described above, when the wiring device 10 according to the present embodiment is attached to a table, a desk, or the like, even if water droplets or the like enter the housing 1, it can be discharged from the release hole 2210 to the outside of the housing 1.

(7) Effects As described above, the wiring device 10 according to the first aspect has the first inner terminal 8, the second inner terminal 9, the first substrate 5, the second substrate 6, and the third substrate. 7 and the housing 1. The first inner terminal 8 is configured to be connectable to a plug-in type first outer terminal 18. The second inner terminal 9 is configured to be connectable to the second outer terminal 19. The first inner terminal 8 is mounted on the first substrate 5. The second substrate 6 is electrically connected to the first substrate 5. The second inner terminal 9 is mounted on the third substrate 7. The third substrate 7 is electrically connected to the second substrate 6. The housing 1 houses the first substrate 5, the second substrate 6, and the third substrate 7. The normal direction of the first substrate 5 and the third substrate 7 is a direction along the insertion direction (front-back direction) of the first outer terminal 18 with respect to the first inner terminal 8. The normal line direction of the second substrate 6 is a direction (vertical direction) intersecting the insertion direction.

According to the first aspect, the normal direction of the second substrate 6 intersects the insertion direction, so that the insertion direction is greater than the case where the normal direction of the second substrate 6 is along the insertion direction. The housing 1 can be miniaturized in the direction intersecting with.

In the wiring device 10 according to the second aspect, in the first aspect, the third substrate 7 is located between both ends of the second substrate 6 in the insertion direction.

According to the second aspect, since the third substrate 7 is located between both ends of the second substrate 6 in the insertion direction, the third substrate 7 is located outside the both ends of the second substrate 6 in the insertion direction. The housing 1 can be miniaturized in the insertion direction as compared with the case where is located. However, this configuration is not an essential configuration of the wiring device, and the third substrate may be located outside between both ends of the second substrate in the insertion direction.

In the wiring device 10 according to the third aspect, in the first or second aspect, the housing 1 has an insertion hole (first insertion hole 320) through which the first outer terminal 18 is inserted. The first board 5 is located between the insertion hole and the board closer to the insertion hole of the second board 6 and the third board 7 in the insertion direction.

According to the third aspect, the first substrate 5 is located between the insertion hole and the substrate closer to the insertion hole in the insertion direction. Therefore, the housing 1 can be downsized in the direction intersecting the insertion direction, compared to the case where the substrate and the first substrate 5 are arranged side by side in the direction intersecting the insertion direction. However, this configuration is not an indispensable configuration of the wiring device, and the first substrate may not be located between the substrate closer to the insertion hole and the insertion hole in the insertion direction.

In the wiring device 10 according to the fourth aspect, in any one of the first to third aspects, the housing 1 has a box-shaped body 2 having an opening on one side in the insertion direction, and a body that closes the opening of the body 2. And a cover 3 attached to 2. The cover 3 has a first storage portion 34 that stores the first substrate 5. The body 2 has a second storage portion 21 that stores the second substrate 6 and a third storage portion 22 that stores the third substrate 7.

According to the fourth aspect, the first substrate 5, the second substrate 6, and the third substrate 7 can be housed in the housing 1. However, this configuration is not an indispensable configuration of the wiring device, and for example, the body may be provided with a first storage portion that stores the first substrate.

In the wiring device 10 according to the fifth aspect, in the fourth aspect, the second storage portion 21 is provided at least at one end portion in a direction that intersects the insertion direction and also intersects the normal direction of the second substrate 6. The holding groove 210 is formed. The holding groove 210 is formed along the insertion direction. The second substrate 6 is held by the body 2 by inserting at least one end portion in the direction intersecting the insertion direction and the direction normal to the second substrate 6 into the holding groove 210.

According to the fifth aspect, the second substrate 6 can be held by the body 2 simply by inserting the end portion of the second substrate 6 into the holding groove 210. However, this configuration is not an essential configuration of the wiring device, and the holding groove may be omitted.

The wiring device 10 according to the sixth aspect further includes a support member 4 that supports the first substrate 5 in the fourth or fifth aspect. The second storage portion 21 has a support portion (first support portion 211, second support portion 212, third support portion 213, fourth support portion 214) that supports the support member 4.

According to the sixth aspect, the support member 4 can receive the stress applied from the first outer terminal 18 when the first outer terminal 18 is connected to the first inner terminal 8. However, this configuration is not an essential configuration of the wiring device, and the support member may be omitted.

In the wiring device 10 according to the seventh aspect, according to any one of the first to sixth aspects, when the first outer terminal 18 is connected to the first inner terminal 8 at one end of the housing 1 in the insertion direction. A first insertion hole 320 through which the first outer terminal 18 passes is provided. The other end of the housing 1 in the insertion direction is provided with a second insertion hole 2200 through which the second outer terminal 19 is inserted when the second outer terminal 19 is connected to the second inner terminal 9.

According to the seventh aspect, the direction of stress applied from the first outer terminal 18 when connecting the first outer terminal 18 to the first inner terminal 8 and the second outer terminal 19 connected to the second inner terminal 9. When this is done, the direction of the stress applied from the second outer terminal 19 is the same direction. In other words, the direction of the stress applied to the wiring device 10 can be limited to one direction (insertion direction). Therefore, it suffices to provide the structure for receiving the stress applied from the first outer terminal 18 and the second outer terminal 19 in only one direction, and the direction of the stress applied from the first outer terminal 18 and the structure applied from the second outer terminal 19 The structure can be simplified as compared with the case where the direction of applied stress is different. However, this configuration is not an essential configuration of the wiring device, and for example, the second insertion hole may be provided at the end portion of the housing in the direction intersecting the insertion direction.

In the wiring device 10 according to the eighth aspect, in any one of the first to seventh aspects, the first inner terminal 8 is a USB socket.

According to the eighth aspect, a USB plug can be connected. However, this configuration is not an essential configuration of the wiring device, and for example, the first inner terminal may be a LAN terminal.

DESCRIPTION OF SYMBOLS 1 Housing 2 Body 21 2nd storage part 210 Holding groove 211 1st support part (support part)
212 2nd support part (support part)
213 Third support portion (support portion)
214 4th support part (support part)
22 3rd storage part 2200 2nd insertion hole 3 cover 34 1st storage part 320 1st insertion hole (insertion hole)
4 Support Member 5 First Substrate 6 Second Substrate 7 Third Substrate 8 First Inner Terminal 9 Second Inner Terminal 10 Wiring Device 15 Electronic Component (Capacitor)
16 Electronic Component 18 First Outer Terminal 19 Second Outer Terminal

Claims (7)

A wiring device that can be attached to the construction surface,
A first inner terminal configured to be connectable to a plug-in type first outer terminal,
A second inner terminal configured to be connectable to the second outer terminal;
A first substrate on which the first inner terminal is mounted;
A second substrate electrically connected to the first substrate;
A housing that houses the first substrate and the second substrate;
A yoke housed in the housing ,
A plurality of electronic components forming an AC-DC converter for converting AC power supplied from an external power supply into DC power are mounted on the second substrate,
A smoothing capacitor that is electrically connected to the first inner terminal and that smoothes the DC power and outputs the smoothed DC power to the first inner terminal is mounted on the first substrate .
The plurality of electronic components includes a transformer,
The wiring device , wherein the yoke is arranged so as to cover the transformer from at least one direction . The wiring device according to claim 1, wherein the smoothing capacitor is arranged on a surface of the first substrate opposite to the first inner terminal. The normal direction of the first substrate is a direction along the insertion direction of the first outer terminal with respect to the first inner terminal,
The wiring device according to claim 1 or 2, wherein a normal direction of the second substrate is a direction intersecting with the insertion direction. The housing includes a box-shaped body having an opening on one surface in the insertion direction of the first outer terminal with respect to the first inner terminal, and a cover attached to the body so as to close the opening of the body.
The cover has a first storage portion that stores the first substrate,
The wiring device according to any one of claims 1 to 3, wherein the body has a second storage part that stores the second substrate. The second storage portion has a holding groove provided at least at one end portion in a direction intersecting the insertion direction and intersecting a normal direction of the second substrate,
The holding groove is formed along the insertion direction,
The second substrate is held by the body by inserting at least one end portion in a direction intersecting the insertion direction and intersecting a normal direction of the second substrate into the holding groove. The wiring device according to claim 4. A first insertion hole through which the first outer terminal is passed when connecting the first outer terminal to the first inner terminal at one end of the housing in the insertion direction of the first outer terminal with respect to the first inner terminal. Is provided,
A second insertion hole through which the second outer terminal is inserted when the second outer terminal is connected to the second inner terminal is provided at the other end of the housing in the insertion direction. The wiring device according to any one of claims 1 to 5. The wiring device according to any one of claims 1 to 6, wherein the first inner terminal is a USB socket.

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