JP2015106993A - Wiring instrument mounting member and wiring device employing the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wiring instrument mounting member in which a mounting frame is unlikely to be detached from a mounting plate, and a wiring device employing the same.SOLUTION: A wiring instrument mounting member 1 includes: a metallic mounting plate 7 fixed to a wall material 9; and a resin mounting frame 6 attached to the mounting plate 7. The mounting plate 7 includes a rectangular opening 71 in which a switch 2 is disposed, and two protrusions 72 protruding from edge portions of at least two sides around the opening 71 to a back side, respectively. The mounting frame 6 includes: a holding hole 67 for holding the switch 2; and four protrusions 65 which protrude from positions corresponding to the respective two protrusions 72 to the back side and are caught in back-side edge portions of the corresponding protrusions 72. The mounting frame 6 is attached to the mounting plate 7 in the state where the respective protrusions 65 are fitted from a front side of the mounting plate 7 into the opening 71 and a projection 66 is caught by the corresponding protrusions 72.

Description

  The present invention relates to a wiring fixture mounting member and a wiring device using the wiring fixture mounting member, and more particularly to a wiring fixture mounting member for constructing a wiring fixture on a construction material and a wiring device using the wiring fixture mounting member.

  Conventionally, there has been a resin-made wiring device mounting frame provided with a resin-made device-side frame to which a wiring device is attached and a construction surface-side frame for mounting and mounting the device-side frame on a construction surface or the like (for example, Patent Document 1).

  The construction surface side frame body and the instrument side frame body described in Patent Literature 1 are each provided with a frame body locking portion. When the frame body locking portion of the device side frame holding the wiring device is caught by the frame locking portion of the construction surface side frame fixed to the construction surface, the wiring device is attached to the construction surface.

Japanese Utility Model Publication No. 2-60417

  When the appliance side frame holding the wiring appliance to which the electric wire is connected is attached to the construction surface side frame and installed on the construction surface, the electric wire may be bent on the back side of the construction surface. For example, when a high-capacity type wiring device is attached to the device-side frame, an electric wire having a larger wire diameter than that of the low-capacity type wiring device is connected to the wiring device. Since the electric wire with a large wire diameter is hard and difficult to bend, if it is constructed with the electric wire bent, a large force may be applied from the electric wire to the wiring device. Due to the force applied to the wiring device from the electric wire, there is a possibility that the portion where the device side frame body and the construction surface side frame body are locked with each other may be deformed in a direction to come off.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a wiring fixture mounting member in which a mounting frame is unlikely to be detached from a mounting plate, and a wiring device using the wiring fixture mounting member.

  In order to solve the above-described problems, a wiring device mounting member of the present invention includes a metal mounting plate fixed to a construction material and a resin mounting frame mounted on the mounting plate. The mounting plate includes a rectangular opening in which the wiring device is disposed, and a plurality of protruding pieces protruding from the edge portions of at least two sides around the opening to the back side. The mounting frame includes a holding portion that holds the wiring device, and a plurality of locking portions that protrude from a position corresponding to each of the plurality of protruding pieces to the back side and are hooked on an edge portion on the back side of the corresponding protruding piece. Have The mounting frame is attached to the mounting plate in a state where each of the locking portions is fitted into the opening from the front side of the mounting plate and is caught by the corresponding protruding piece.

  The wiring device of the present invention includes the above-described wiring device mounting member, the wiring device mounted on the wiring device mounting member, and a decorative plate that covers the front surface of the wiring device mounting member.

  According to the present invention, the protruding piece is provided so as to protrude from the edge portion of the opening portion of the mounting plate to the back side, so that the frame portion provided with the protruding piece is more resistant to bending. Even if force is applied from the locking part to the protruding piece due to the force applied from the wiring device to the mounting frame, the frame part of the mounting plate is not easily deformed in the direction in which the protruding piece is detached from the locking part. The locking state between the locking portion and the locking portion is maintained, and the mounting frame is unlikely to come off the mounting plate.

It is a disassembled perspective view of the wiring fixture attachment member in this embodiment. The disassembled wiring apparatus attachment member in the present embodiment is shown, (a) is a top view, and (b) is a right side view. The wiring fixture attachment member in this embodiment is shown, (a) is a top view, (b) is a principal part enlarged view, (c) is a right view. The wiring device in this embodiment is shown, (a) is a front view, (b) is a right side view, and (c) is a bottom view. It is a disassembled perspective view of the wiring apparatus in this embodiment.

  EMBODIMENT OF THE INVENTION Embodiment of the wiring apparatus provided with the wiring fixture attachment member which concerns on this invention is described based on FIGS. In the following description, the vertical and horizontal directions are defined based on the orientation shown in FIG. 4A, and the horizontal direction in FIG.

  As shown in FIG. 5, the wiring device 10 of the present embodiment includes a switch 2 (wiring device), a wiring device mounting member 1, and a decorative plate 3 that is attached to the front surface of the wiring device mounting member 1. Furthermore, the wiring device 10 includes a back plate 8 on the back surface of the wiring fixture mounting member 1. The illustrated wiring device 10 includes the switch 2 as a wiring device, but the wiring device may be, for example, a power outlet, a telephone outlet, or the like.

  The wiring fixture attachment member 1 includes an attachment plate 7 and an attachment frame 6 that holds the switch 2 and is attached to the attachment plate 7.

  The decorative plate 3 includes an inner frame portion 5 and an outer frame portion 4.

  The switch 2 includes a case 20 and a handle 23 disposed on the front surface of the case 20. The switch 2 has the same configuration as that of the invention disclosed in Japanese Patent Application Laid-Open No. 11-45639, and a detailed description thereof will be omitted.

  The case 20 is configured by connecting a body 26 and a cover 21 with a pair of assembly frames 27.

  The body 26 is made of, for example, a resin material such as urea resin, and is formed in a rectangular box shape having an open front surface. The cover 21 is formed of a resin material such as urea resin, for example, and has a rectangular shape when viewed from the front. A hole 21 a for inserting the handle 23 is provided on the front surface of the cover 21, and a hole 21 b for inserting the lamp cover 22 is provided on the upper side of the front surface of the cover 21.

  The cover 21 covers the front surface of the body 26 with the handle 23 inserted in the hole 21 a and attaches the handle 23 to the body 26. A protrusion 21c that protrudes forward from both sides in the left-right direction is provided at the center of the cover 21 in the left-right direction, and the front surface of the protrusion 21c extends forward from an opening 43 of the decorative plate 3 described later. Stick out. The body 26 and the cover 21 are joined together using metal assembly frames 27 arranged on the left and right sides of the cover 21. Each assembly frame 27 is provided with a locking claw 25 protruding outward in the left-right direction of the cover 21.

  The handle 23 is formed in a rectangular box shape whose back side is opened by a resin material such as urea resin. On the lower side of the front surface of the handle 23, an elliptical projection 24 elongated in the left-right direction is formed. On both left and right side surfaces of the handle 23, shafts (not shown) are provided at intermediate portions in the vertical direction. The handle 23 is inserted from the back side into a hole 21a opened in the front surface of the cover 21 and the handle 23 rotates with respect to the cover 21 by supporting the shafts on both the left and right sides on bearing portions (not shown) of the cover 21. It is attached freely. When the upper end of the handle 23 protrudes forward and the lower end of the handle 23 is retracted, when the upper side of the handle 23 is pushed, the handle 23 rotates about the axis, and the upper end of the handle 23 retracts, The lower end of the handle 23 protrudes forward. Further, when the lower side of the handle 23 is pushed from this state, the handle 23 rotates around the axis, the lower end of the handle 23 moves backward, and the upper end of the handle 23 protrudes forward. When the lower side of the handle 23 (near the protrusion 24) is pressed, the switch 2 is turned on, and when the upper side of the handle 23 is pressed, the switch 2 is turned off. The switch 2 is not limited to a switch that is turned on by pushing the lower side of the handle 23, and may be turned on by pushing the upper side of the handle 23.

  The case 20 accommodates a contact device (not shown) that is switched on / off in accordance with the operation of the handle 23 and a terminal device (not shown) for connecting an electric wire to the contact device. . The case 20 houses a pilot lamp (not shown) that is turned on when the contact device is turned on and turned off when the contact device is turned off. The pilot lamp is composed of, for example, a neon tube, an LED (Light Emitting Diode) or the like, and is provided so as to face the hole 21 b of the cover 21. The pilot lamp is turned on when the switch 2 is turned on and turned off when the switch 2 is turned off. The pilot lamp may be turned off when the switch 2 is turned on and turned on when the switch 2 is turned off.

  The lamp cover 22 is made of a light-transmitting resin material (for example, acrylic resin) and attached to the hole 21b. The lamp cover 22 transmits the light of the pilot lamp provided facing the hole 21b, so that the light of the pilot lamp can be seen from the outside of the cover 21.

  The mounting plate 7 is composed of a square frame-shaped metal plate (for example, an iron plate). As shown in FIGS. 1 and 5, a rectangular opening 71 that is larger than the insertion hole 61 is provided at the center of the mounting plate 7. The mounting plate 7 is provided with flat plate-like projecting pieces 72 by bending the inner edges of the two left and right sides of the four sides surrounding the opening 71 backward substantially over the whole.

  Holes 73 for attaching the mounting plate 7 to a switch box (not shown) are respectively provided in the left and right frame portions of the mounting plate 7. The mounting plate 7 is attached to the switch box by screwing a screw (not shown) passed through the hole 73 to the switch box.

  The back plate 8 is formed in a square frame shape with a resin material such as ABS (Acrylonitrile Butadiene Styrene) resin. A rectangular opening 81 having substantially the same size as the opening 71 is provided at the center of the back plate 8. Holes 83 for passing screws (not shown) are provided in positions corresponding to the holes 73 in the left and right frame portions of the opening 81. The back plate 8 is disposed between the mounting plate 7 and the switch box when the wiring device 10 is attached to the switch box (not shown).

  The mounting frame 6 is formed in a square frame shape from a resin material such as a modified polyphenylene ether resin. An insertion hole 61 that is slightly larger than the protruding base portion 21 c of the cover 21 is provided in the center portion of the mounting frame 6. On the rear surface of the mounting frame 6, rectangular plate-like projecting portions 65 (locking portions) protruding rearward from the left and right edge portions of the insertion hole 61 are provided on both upper and lower sides. Each protrusion 65 is arranged so that the side surface of the protrusion 65 is parallel to the left and right edge portions of the insertion hole 61.

  A projection 66 (locking portion) protruding outward (on the opposite side to the opening 71) is formed at the rear end portion (tip portion in the back direction) of each protrusion 65. The rear end portion of each protrusion 66 is formed in a tapered shape that tapers in the back direction.

  Holding holes 67 (holding portions) into which the locking claws 25 of the switch 2 are inserted are provided at the left and right edge portions of the insertion hole 61, respectively. The switch 2 is fixed to the mounting frame 6 by inserting the protruding portion 21 c of the switch 2 into the insertion hole 61 and inserting the locking claws 25 into the corresponding holding holes 67.

  On the back surface of the frame portions on both the upper and lower sides of the mounting frame 6, elongated protrusions 68 are formed in the left-right direction. The convex portions 68 are provided so as to correspond to the edge portions on both the upper and lower sides in the opening 71.

  The left and right frame portions of the mounting frame 6 are respectively provided with holes 63 for releasing the heads of screws inserted into the holes 73 of the mounting plate 7. Each hole 63 is formed at a position corresponding to the hole 73.

  Holes 64 for fixing the inner frame portion 5 to the mounting frame 6 are provided in the upper and lower frame portions of the mounting frame 6, respectively.

  As shown in FIGS. 4A and 5, the inner frame portion 5 is formed in a square frame shape by a resin material such as ABS resin. A locking claw 52 that protrudes rearward and is inserted into the hole 64 of the mounting frame 6 is provided on the upper edge portion of the inner frame portion 5. An insertion hole 53 that is slightly larger than the protrusion 21c is provided at the center of the inner frame portion 5. On the front surface of the inner frame portion 5, a protruding portion 51 is formed around the insertion hole 53 to be inserted into an opening 43 of the decorative plate 3 described later. The protrusion 51 is formed so as to be substantially flush with the front surface of the U-shaped plate 42 attached to the front side of the inner frame 5 when inserted into the opening 43. The inner frame portion 5 is attached to the attachment frame 6 by hooking the locking claw 52 on the edge portion of the hole 64 and stopping it.

  The outer frame portion 4 includes a frame portion 46 in which a central portion of a rectangular flat plate is opened larger than the inner frame portion 5, and a U-shaped plate 42 attached to the front side of the frame portion 46.

  The frame portion 46 is formed of a resin material such as ABS resin, for example. On one side (left side) of the frame portion 46, a rectangular protruding portion 41 protruding forward from the other three sides is integrally formed.

  The U-shaped plate 42 is a U-shaped flat plate that is provided with a rectangular hole having a size substantially the same as that of the protruding portion 51 at the center of a rectangular flat plate, and is open in the left direction. It is formed slightly wider than the front. The U-shaped plate 42 is formed of a silver metal flat plate (for example, an aluminum plate), and three sides excluding the protruding portion 41 of the frame portion 46 by an adhesive member (for example, a double-sided tape) (not shown). Is attached. In a state where the U-shaped plate 42 is attached to the frame portion 46, the front surfaces of the U-shaped plate 42 and the protruding portion 41 are substantially flush. An opening 43 is formed by a U-shaped plate 42 and a protrusion 41 at the center of the outer frame 4. The U-shaped plate 42 is not limited to an aluminum plate, and may be formed of an appropriate material. Furthermore, the method of attaching the U-shaped plate 42 to the frame portion 46 is not limited to the method using an adhesive member. For example, the U-shaped plate 42 is provided by providing a locking portion on each of the U-shaped plate 42 and the frame portion 46. It may be attached to the frame part 46.

  A locking claw (not shown) is provided on the back surface of the frame portion 46, and the protruding portion 21c is inserted into the opening 43, and the locking claw is hooked on the edge portion of the hole 62 to stop it. The frame portion 4 is attached to the attachment frame 6. A side plate 44 protruding rearward is provided on the outer peripheral portion of the frame portion 46, and a groove for removing the frame portion 46 from the mounting frame 6 is provided on the side plate 44 on the lower surface as shown in FIG. 45 is provided. The frame portion 46 can be removed from the mounting frame 6 by inserting a tip such as a minus driver into the groove 45.

  Here, a method of attaching the wiring device 10 to the wall material 9 (building material) will be described.

  An electric wire (not shown) wired on the back side of the wall material 9 is pulled out from the inside of a switch box (not shown) embedded in the wall material 9 and attached to the switch 2. When the protruding portion 21 c of the switch 2 is inserted into the insertion hole 61 from the back surface of the mounting frame 6 and the locking claws 25 of the switch 2 are respectively inserted into the holding holes 67 of the mounting frame 6, the protruding portion 21 c of the mounting frame 6 The switch 2 is fixed to the mounting frame 6 in a state protruding from the front surface.

  In a state where the switch 2 is fixed to the mounting frame 6, the mounting frame 6 is attached to the mounting plate 7 so that the projections 66 are positioned inside the opening 71 as shown in FIGS. 3 (a) to 3 (c). Place in front. When the mounting frame 6 is pushed toward the rear of the mounting plate 7, the rear end portion of the protrusion 66 is formed in a taper shape, so that the protrusion 66 bends inward along the surface of the protruding piece 72 and opens. 71 is inserted. When the mounting frame 6 is pushed in until the back surface of the mounting frame 6 comes into contact with the front surface of the mounting plate 7, the projections 66 are caught by the rear end portions of the protruding pieces 72, and the mounting frame 6 is mounted on the front surface of the mounting plate 7. With the rear surface of the mounting frame 6 in contact with the front surface of the mounting plate 7, the mounting frame 6 is not easily displaced in the front-rear direction with respect to the mounting plate 7 by the projection 66 being caught by the protruding piece 72. Further, since the side surfaces of the protrusions 65 are in contact with the protrusions 72 from the inside of the opening 71, the mounting frame 6 is less likely to be displaced in the left-right direction with respect to the mounting plate 7. Further, in a state where the attachment frame 6 is attached to the attachment plate 7, the convex portions 68 are in contact with the edge portions of the openings 71 from the inside, so that the attachment frame 6 is not easily displaced in the vertical direction with respect to the attachment plate 7. Yes.

  In a state where the mounting frame 6 holding the switch 2 is mounted on the mounting plate 7, a screw (not shown) through the hole 73 of the mounting plate 7 and a switch box (not shown) embedded in the wall material 9. The mounting plate 7 is attached to the wall material 9 by being screwed into the screw portion. When an electric wire (not shown) connected to the switch 2 is bent in the switch box and the mounting plate 7 is attached to the wall material 9, a reaction force generated by bending the electric wire is applied to the switch 2. There is a possibility that. Even if force is applied from the protrusion 66 to the protruding piece 72 due to the force applied to the switch 2, the frame portion of the mounting plate 7 is not easily deformed in the direction in which the protruding piece 72 is detached from the protrusion 66. And the attachment frame 6 is unlikely to be detached from the attachment plate 7.

  Next, a procedure for attaching the decorative plate 3 to the attachment frame 6 will be described.

  When the inner frame portion 5 is overlapped with the front side of the mounting frame 6 so that the protruding portion 21 c of the switch 2 protruding from the mounting frame 6 to the front surface is inserted into the insertion hole 53, it is provided on the back surface of the inner frame portion 5. The latching pawl 52 is inserted into the hole 64 of the attachment frame 6, and the inner frame portion 5 is attached to the front surface of the attachment frame 6. Further, when the outer frame portion 4 is overlapped on the front side of the mounting frame 6 so that the protruding portion 51 protruding from the front surface of the mounting frame 6 is inserted into the opening 43 from the back surface of the outer frame portion 4, the outer frame portion 4. A locking claw provided on the back surface of the frame is inserted into the hole 62, and the outer frame portion 4 is attached to the front surface of the attachment frame 6. By attaching the inner frame portion 5 and the outer frame portion 4 to the attachment frame 6, the decorative plate 3 is attached to the attachment frame 6.

  In the wiring device 10 attached to the wall material 9, the front surface of the decorative plate 3 (the protruding portion 41, the U-shaped plate 42, and the protruding portion 51) and the front surface of the protruding portion 21 c are substantially flush with each other. A handle 23 protrudes forward from the front surface of the flat decorative plate 3 (see FIG. 4B), and is arranged to be swingable in the vertical direction.

  As described above, the wiring fixture mounting member 1 of the present embodiment includes the metal mounting plate 7 fixed to the wall material 9 (building material) and the resin mounting frame 6 mounted to the mounting plate 7. . The mounting plate 7 includes a rectangular opening 71 in which the wiring device (switch 2) is arranged, and a plurality of (in the embodiment of FIG. 1) protruding from the edge portions of at least two sides around the opening 71 to the back side. 2) projecting pieces 72. The attachment frame 6 has a holding portion (holding hole 67) for holding the wiring device (switch 2). The mounting frame 6 protrudes from the position corresponding to each of a plurality (two in the embodiment of FIG. 1) of the protruding pieces 72 to the back side, and is hooked to the edge portion on the back side of the corresponding protruding piece 72 (FIG. 1). In this embodiment, there are four locking portions (protrusion 65, protrusion 66). The mounting frame 6 is attached to the mounting plate 7 in a state in which the respective locking portions (projecting portions 65 and protrusions 66) are fitted into the openings 71 from the front side of the mounting plate 7 and are caught by the corresponding projecting pieces 72. It is done.

  By providing the protruding piece 72 so as to protrude from the edge portion of the opening 71 of the mounting plate 7 to the back side, the frame portion provided with the protruding piece 72 becomes stronger against bending. Even if force is applied from the projection 66 to the protruding piece 72 by applying force from the switch 2 to the mounting frame 6, the frame portion of the mounting plate 7 is not easily deformed in a direction in which the protruding piece 72 is detached from the projection 66. The locked state of the protruding piece 72 and the protrusion 66 is easily maintained. Therefore, the attachment frame 6 is difficult to come off from the attachment plate 7.

  Since the metal protruding piece 72 is formed in a flat plate shape that is formed by bending a part of the mounting plate 7 and extending over the entire left and right edge portions of the opening 71, the metal protruding piece 72 is deformed even if force is applied to the protruding piece 72. Hard to do.

  The wiring device 10 according to the present embodiment includes a wiring device mounting member 1, a switch 2 that is mounted on the wiring device mounting member 1, and a decorative plate 3 that covers the front surface of the wiring device mounting member 1.

  Since the wiring device 10 includes the wiring device mounting member 1, it is possible to provide a wiring device in which the resin mounting frame 6 is not easily detached from the mounting plate 7 even when force is applied to the wiring device (switch 2).

  In addition, although the protrusion piece 72 of this embodiment is formed by bend | folding back each inner part in the frame part of the right-and-left both sides of the attachment plate 7, respectively, it is not the meaning limited to bending formation. The protruding piece 72 may be formed so as to protrude from the mounting plate 7 by an appropriate method, for example, by welding a metal piece to the mounting plate 7.

  Although the protruding piece 72 of this embodiment is provided in each edge part of the right and left both sides in the opening part 71, even if the protruding piece 72 is provided in each edge part of the up-and-down both sides in the opening part 71, for example. Good. Further, it may be provided on either the left or right edge portion of the opening 71 and the upper or lower edge portion of the opening 71. Furthermore, the number of protruding pieces 72 is not limited to two, and three or more may be provided. For example, three protruding pieces 72 may be provided by providing protruding pieces 72 at each of the left and right edge portions of the opening 71 and the upper and lower edge portions of the opening 71. Similarly, four protruding pieces 72 may be provided by providing the protruding pieces 72 at the edge portions of the four sides in the opening 71.

  The protrusions 65 of the present embodiment are respectively provided at the four corners of the insertion hole 61, but the protrusions 65 are provided at appropriate positions corresponding to one protrusion 65 for one protrusion piece 72. It may be.

  Each of the protrusions 66 of the present embodiment protrudes toward the outside of the opening 71, but is not limited to protrude toward the outside, and may have an appropriate shape that is caught by the rear end portion of the protruding piece 72.

  Although the wiring device 10 of the present embodiment holds the switch 2, the wiring device is not limited to the switch 2, and may be an appropriate wiring device that can be attached to the insertion hole 61 of the attachment frame 6.

  The decorative plate 3 of the present embodiment includes the outer frame portion 4 and the inner frame portion 5, but is not limited to including the outer frame portion 4 and the inner frame portion 5. The decorative plate 3 may have an appropriate configuration that can cover the front surface of the wiring fixture mounting member 1.

DESCRIPTION OF SYMBOLS 1 Wiring fixture attachment member 10 Wiring apparatus 2 Switch (wiring fixture)
25 locking claw 3 decorative plate 4 outer frame part 5 inner frame part 6 mounting frame 61 insertion hole 65 projecting part (locking part)
66 Protrusion (locking part)
67 Holding hole (holding part)
7 Mounting plate 71 Opening 72 Projecting piece 8 Back plate 9 Wall material (construction material)

Claims (2)

A metal attachment that has a rectangular opening in which a wiring device is disposed, and a plurality of protruding pieces that protrude from the edge of at least two sides around the opening to the back side, and is fixed to the construction material Plates,
A holding part for holding the wiring device, and a plurality of locking parts protruding from a position corresponding to each of the plurality of protruding pieces to the back side and hooked to a corresponding edge part on the back side of the protruding piece, The locking portion is fitted with the opening from the front side of the mounting plate and includes a resin mounting frame that is attached to the mounting plate in a state of being hooked on the corresponding protruding piece. Wiring fixture attachment member. A wiring fixture mounting member according to claim 1;
A wiring device attached to the wiring device mounting member;
A wiring device comprising: a decorative plate that covers a front surface of the wiring device mounting member.

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