JP2015012723A - Wiring box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wiring box capable of preventing water from reaching a wiring instrument along a wire.SOLUTION: The wiring box comprises: an instrument fixing part 20 to which a wiring instrument is fixed; a wire insertion chamber 10 through which a wire 41 connected to the wiring instrument is inserted; and a wire introduction port 210 communicating the inside and the outside of the wire insertion chamber 10. Within the wire insertion chamber 10 a partition wall 121 is provided which includes a wire hole 120 to pass the wire 41 at a lower side while positioning the instrument fixing part 20 at a left side and positioning the wire introduction port 210 at a right side. By passing the wire 41 at the lower side of the partition wall 121, the wire 41 is bent in an U shape. Therefore, in comparison with the case where the wire 41 is not bent, water penetrating into the wire insertion chamber 10 from an upper side along the wire 41 is unlikely to reach the wiring instrument.

Description

  The present invention relates to a wiring box.

  2. Description of the Related Art Conventionally, there has been provided a wiring box that is used when a wiring device such as an outlet or a switch is exposed and disposed on a construction surface such as an outdoor wall surface (for example, see Patent Document 1).

  The wiring device has a terminal portion to which an electric wire is connected on the rear side (that is, the side directed to the construction surface). The wiring box is fixed to the construction surface by screwing or the like, and holds the wiring device in a form that leaves a gap between the terminal portion of the wiring device and the construction surface. An electric wire insertion chamber into which an electric wire connected to the terminal portion of the wiring device is inserted is formed inside the wiring box. The above wires may be introduced into the wire insertion chamber from the rear of the wiring box through the hole provided in the construction surface, but may be introduced into the wire insertion chamber through the wiring mall from the direction along the construction surface. . In order to protect the terminal portion of the wiring device from raindrops or the like, the wiring box has a box shape or a cylindrical shape having only an opening that is closed by any of the wiring device, the construction surface, and the wiring molding.

JP 2001-275228 A

  When the electric wire connected to the wiring device is introduced from above the wiring box, water that has traveled through the electric wire reaches the wiring device, which may cause a short circuit or leakage.

  This invention is made | formed in view of the said reason, The objective is to provide the wiring box by which the arrival to the wiring apparatus of the water which transmitted the electric wire is suppressed.

  The wiring box of the present invention has a device fixing portion to which a wiring device is fixed, a wire insertion chamber through which an electric wire connected to the wiring device is inserted, and a wire introduction port that communicates the inside and outside of the wire insertion chamber. In the electric wire insertion chamber, a partition wall in which the instrument fixing portion is located on one side or the front side in the left-right direction and the electric wire introduction port is located on the other side or the rear side in the left-right direction is provided, A through hole through which the electric wire is inserted is provided below the partition wall, and the through hole is lower than a terminal portion to which the electric wire is connected in the wiring fixture fixed to the fixture fixing portion. It is located in.

  According to the present invention, since the electric wire is bent into a U shape by being passed through the lower side of the partition wall, water entering the electric wire insertion chamber through the electric wire from above is wired as compared with the case where the electric wire is not bent. Difficult to reach the instrument.

It is a front view which shows Embodiment 1 of this invention. (A) (b) shows the state in which the wiring apparatus was attached to the same, respectively (a) is a front view, (b) is a right side view. (A)-(c) shows a base same as the above, (a) is a front view, (b) is a bottom view, and (c) is a right side view. (A)-(d) shows a cover same as the above, respectively, (a) is a front view, (b) is a plan view, (c) is a right side view, and (d) is a bottom view. (A) and (b) show Embodiment 2 of the present invention, respectively, (a) is a front view, and (b) is a right side view. (A)-(c) shows each same as the above, (a) is a front view, (b) is a right side view, and (c) is a bottom view. (A) (b) shows the state in which the wiring apparatus was attached to the same, respectively (a) is a front view, (b) is a right side view. (A) (b) shows the state in which another wiring apparatus was attached to each same, (a) is a front view, (b) is a right view.

  The wiring box according to the present invention introduces a wire fixing for connecting the device fixing portion 20 to which the wiring device 3 is fixed, the wire insertion chamber 10 through which the electric wire 41 connected to the wiring device 3 is inserted, and the inside and outside of the wire insertion chamber 10. And a mouth 210. In the electric wire insertion chamber 10, a partition wall 121 is provided in which the instrument fixing portion 20 is located on one side or the front side in the left-right direction and the electric wire introduction port 210 is located on the other side or the rear side in the left-right direction. A through hole 120 through which the electric wire 41 is inserted is provided on the lower side of the partition wall 121, and the through hole 120 is connected to the electric wire 41 in the wiring device 3 fixed to the device fixing unit 20. Is also located on the lower side.

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

(Embodiment 1)
As shown in FIG. 1, the wiring box of this embodiment includes a base 1 fixed to a construction surface (not shown) such as a wall surface, and a cover 2 coupled to the base 1 so as to cover the base 1 when viewed from the front. With. Each of the base 1 and the cover 2 is made of a synthetic resin, for example. The cover 2 has a fixture fixing portion 20 to which the wiring fixture 3 is fixed as shown in FIG. In FIG. 2, an outlet is shown as the wiring device 3, but the wiring device 3 to be attached may be, for example, a switch or a human sensor.

  As shown in FIG. 3, the base 1 is screwed onto the construction surface with the rear surface (the lower surface in FIG. 3 (b) and the right surface in FIG. 3 (c)), which is one surface in the thickness direction, facing the construction surface. A bottom plate 11 to be fixed is provided. The bottom plate 11 has a main body part 111 that is rectangular in the vertical direction and is located on the rear side of the instrument fixing part 20, and an extension part 112 that extends rightward from the lower end part of the main body part 111. In addition, the base 1 has a partition wall 121 protruding forward from the right end of the main body 111 on the upper side of the extension 112 and a lower end slightly bent rightward, and an upper protrusion protruding forward from the upper end of the main body 111. A wall 122 and a left wall 123 projecting forward from the left end of the main body 111 are provided. In addition, the base 1 includes a lower wall 124 projecting forward across the lower end of the main body 111 and the lower end of the extension 112, and a front end projecting from the right end of the extension 112, with the upper end bent to the left. And a right wall 125. The upper end of the partition wall 121 and the right end of the upper wall 122, the left end of the upper wall 122 and the upper end of the left wall 123, the lower end of the left wall 123 and the left end of the lower wall 124, and the right end of the lower wall 124 and the lower end of the right wall 125 are Are connected to each other. Thereby, in the range surrounded by the walls 121 to 125 on the front side of the bottom plate 11, there is a recess that opens forward and opens upward between the lower end of the partition wall 121 and the upper end of the right wall 125. It is configured.

  As shown in FIG. 4, the cover 2 includes a rectangular tube-shaped peripheral wall 21 that surrounds the base 1 when viewed from the front, and a rectangular front plate 22 that is connected to the front end of the peripheral wall 21 with the thickness direction in the front-rear direction. And has a bottomed rectangular tube shape with the rear side opened as a whole. In the front plate 22, screw insertion holes 220 that are circular through holes are respectively provided at a total of six locations including the four corners and the vicinity of both upper and lower ends of the central portion in the left-right direction. Further, in the base 1, screwing portions 13 each having a screw hole opened forward are provided in front of the four corners of the main body 111 and the lower right end of the extension 112. The cover 2 is screwed and fixed to the base 1 with five screws that are inserted into the screw insertion holes 220 except for the upper right one and screwed into the screwing portion 13. In a state where the cover 2 is coupled to the base 1, the cover 2 substantially covers the base 1 between the construction surface. The electric wire insertion chamber 10 into which the electric wire 41 connected to the wiring device 3 is inserted is configured in a range surrounded by the peripheral wall 21 on the rear side of the front plate 22 of the cover 2. Further, in the peripheral wall 21, electric wire inlets 210 each having a notch opened rearward are provided at the right end portion of the upper wall and the right end portion of the right wall, respectively. In addition, the electric wire introduction port 210 may be obstruct | occluded by what is called a knockout part which can be excised as needed. In a state where the base 1 and the cover 2 are coupled to each other, each electric wire introduction port 210 is located on the right side of the partition wall 121. In addition, in a state where the base 1 and the cover 2 are coupled to each other, the instrument fixing portion 20 is located on the left side of the partition wall 121. A plurality of electric wires 41 (two in FIG. 1) connected to the wiring device 3 are bundled to form the cable 4. The cable 4 is introduced into the electric wire insertion chamber 10 through the electric wire introduction port 210 together with the wiring molding 5 while being inserted into the wiring molding 5, and is pulled out from the wiring molding 5 in the electric wire insertion chamber 10 and below the partition wall 121. It is introduced to the rear side of the instrument fixing portion 20 through the through hole. That is, in the electric wire insertion chamber 10, a through hole 120 through which the electric wire 41 is inserted is formed below the partition wall 121. Further, when the cable 4 is wired in the construction surface, a circular shape is formed in the center portion of the main body 111 in the bottom plate 11 in order to allow the cable 4 to be introduced from the construction surface side (rear). An electric wire insertion hole 110 which is a through hole is provided.

  As shown in FIG. 2, the wiring device 3 is fixed to the device fixing portion 20 of the cover 2 so as to be exposed on the front side of the front plate 22 of the cover 2. Moreover, the wiring device 3 has a terminal part (not shown) to which the electric wire 41 is connected on the rear side. The instrument fixing portion 20 has a substantially rectangular wire outlet hole 200 that opens to the left of the center of the front plate 22. The position of the wire lead-out hole 200 is determined so that the terminal portion of the wiring tool 3 fixed to the tool fixing portion 20 is exposed at the center of the wire lead-out hole 200 when viewed from the back of the cover 2. That is, the electric wire 41 connected to the wiring device 3 is led out from the central portion of the electric wire outlet hole 200. In addition, the instrument fixing portion 20 has mounting holes 201 and 202 that are two through holes penetrating in the front-rear direction and provided two on each of the upper and lower sides of the electric wire outlet hole 200. The wiring device 3 is screwed and fixed to the device fixing portion 20 by screws screwed into the mounting holes 201 and 202, for example. As the mounting holes 201 and 202, a first mounting hole 201 provided in a convex portion protruding inward of the electric wire outlet hole 200 and a second mounting provided outside in the vertical direction with respect to the first mounting hole 201 are provided. Of the holes 202, one corresponding to the type of the wiring device 3 can be used.

  Here, the lower end of the partition wall 121 is located below the terminal portion of the wiring device 3 fixed to the device fixing portion 20 (that is, below the center of the wire outlet hole 200), and It is located below the wire inlet 210. Also, the fixture fixing portion 20 and each wire inlet 210 are such that the fixture fixing portion 20 is located on the left side of the partition wall 121 while each wire introduction port 210 is located on the right side of the partition wall 121. It is located on the left and right different sides of the partition wall 121. Therefore, as shown in FIG. 1, the cable 4 (the electric wire 41) introduced from the electric wire introduction port 210 is bent into a U shape below the partition wall 121 before being connected to the wiring device 3. Thereby, the water that has entered through the cable 4 stops at the lower side of the partition wall 121, so that it is difficult to reach the wiring device 3.

(Embodiment 2)
As shown in FIGS. 5 to 8, the present embodiment includes only the cover 2 that does not have the base 1 and is directly fixed to the construction surface. The cover 2 is fixed to the construction surface by, for example, screwing. The wire insertion chamber 10 is formed on the rear side of the cover 2 (that is, between the cover 2 and the construction surface).

  In addition, the electric wire introduction port 210 is provided on each of the upper, lower, left and right sides of the peripheral wall 21.

  Furthermore, the partition wall 23 is provided so as to protrude rearward and obliquely downward from the opening edge on the upper side of the electric wire outlet hole 200 and the front end portion thereof is bent forward. That is, the instrument fixing portion 20 is located on the front side of the partition wall 23, the wire introduction port 210 is located on the rear side of the partition wall 23, and the through hole 120 through which the cable 4 (electric wire 41) is inserted is formed on the partition wall 23. Formed on the lower side.

  Furthermore, the lower end of the partition wall 23 is located below the terminal portion of the wiring device 3 fixed to the device fixing portion 20 (that is, below the center of the electric wire outlet hole 200). Therefore, the cable 4 (electric wire 41) introduced together with the wiring molding 5 from the upper electric wire introduction port 210 is bent into a U shape at the lower side of the partition wall 23. As a result, the water that has entered through the cable 4 stops at the lower side of the partition wall 23, so that it is difficult to reach the wiring device 3.

DESCRIPTION OF SYMBOLS 3 Wiring tool 10 Electric wire insertion chamber 20 Tool fixing | fixed part 23 Partition wall 41 Electric wire 120 Wire hole 121 Partition wall 210 Electric wire inlet

Claims (1)

A fixture fixing part to which the wiring fixture is fixed;
An electric wire insertion chamber into which an electric wire connected to the wiring device is inserted;
A wire introduction port for communicating the inside and outside of the wire insertion chamber,
The wire insertion chamber is provided with a partition wall in which the instrument fixing portion is located on one side or the front side in the left-right direction, and the wire introduction port is located on the other side or the rear side in the left-right direction.
On the lower side of the partition wall, a through hole through which the electric wire is inserted is provided,
The said wiring hole is located below the terminal part to which the said electric wire is connected in the wiring fixture fixed to the said fixture fixing | fixed part.

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