JP7361307B2 - Panel box and distribution board - Google Patents

Description

TECHNICAL FIELD The present disclosure generally relates to panel boxes and distribution boards. More specifically, the present disclosure relates to a panel box and a distribution board that include an internal unit to which a breaker can be attached.

Patent Document 1 describes a distribution board that is attached to a construction surface such as a wall. The distribution board described in Patent Document 1 includes a box-shaped panel box (cabinet) with an opening formed in the front surface. A breaker (main switch and a plurality of branch switches) is housed inside the panel box as an internal device.

JP 2017-103018 Publication

In the distribution board described in Patent Document 1, when attaching the distribution board to a construction surface, the panel box is attached by holding both sides thereof. Therefore, for example, when installing a distribution board in a high place, workability is not good.

An object of the present disclosure is to provide a panel box and a distribution board that can improve workability when attached to a construction surface.

A panel box according to one aspect of the present disclosure includes an internal unit, a mounting base, and a protrusion. The internal unit is capable of attaching at least one breaker. The mounting base holds the internal unit. The protruding portion protrudes from the mounting base in a direction intersecting a mounting surface of the internal unit on the mounting base. The protruding portion functions as a gripping portion of the mounting base. The board box includes a plurality of the protrusions. Each of the plurality of protruding parts has an extending part extending along the vertical direction in a state where the mounting base is attached to the construction surface along the vertical direction. The plurality of protrusions are provided at both ends of the mounting base in a direction parallel to the construction surface and intersecting the vertical direction.

A panel box according to one aspect of the present disclosure includes an internal unit, a mounting base, and a protrusion. The internal unit is capable of attaching at least one breaker. The mounting base holds the internal unit. The protruding portion protrudes from the mounting base in a direction intersecting a mounting surface of the internal unit on the mounting base. The protruding portion functions as a wiring restriction portion. The wiring restriction section restricts movement of the electrical wiring so that the electrical wiring connected to the at least one breaker does not spread outside the mounting base. The board box includes a plurality of the protrusions. Each of the plurality of protruding parts has an extending part extending along the vertical direction in a state where the mounting base is attached to a construction surface along the vertical direction. The plurality of protrusions are provided at both ends of the mounting base in a direction parallel to the construction surface and intersecting the vertical direction.

A distribution board according to one aspect of the present disclosure includes the board box and at least one breaker.

According to the present disclosure, there is an effect that workability when attaching to a construction surface can be improved.

FIG. 1 is a perspective view of the distribution board according to the embodiment, with the inner door and the outer door open. FIG. 2 is a perspective view of the above distribution board with only the outer door open. FIG. 3 is a perspective view of the panel box according to the embodiment, showing a state in which the mounting base is attached to the construction surface. FIGS. 4A and 4B are explanatory diagrams illustrating a procedure for attaching an internal unit to a mounting base regarding the same panel box as above. FIGS. 5A and 5B are other explanatory diagrams illustrating the procedure for attaching the internal unit to the mounting base regarding the same panel box as above. FIG. 6 is a perspective view of the cover body and the outer door of the same panel box as seen from the rear. FIG. 7A is a perspective view illustrating the main parts of the above board box when the cover body is attached to the mounting base when viewed from the rear. FIG. 7B is a perspective view showing another main part of the same panel box as described above, when the cover body is attached to the mounting base, when viewed from the rear. FIG. 8A is a perspective view showing a main part of the cover body regarding the same board box as above. FIG. 8B is a perspective view showing the main parts of the mounting base and the cover body in a state where the cover body is attached to the mounting base regarding the same board box as above. FIG. 9A is a perspective view showing another main part of the cover body regarding the same board box as above. FIG. 9B is a perspective view showing another main part of the mounting base and the cover body in a state where the cover body is attached to the mounting base regarding the same board box as above. FIG. 10A is a perspective view showing essential parts of the cover body and the outer door in a state where the outer door is attached to the cover body regarding the same board box as above. FIG. 10B is a perspective view showing another main part of the cover body and the outer door in a state where the outer door is attached to the cover body regarding the same board box as above.

(Embodiment)
Hereinafter, a panel box and a distribution board according to an embodiment will be described with reference to the drawings. 1 to 10 referred to in the following embodiments are all schematic diagrams, and the ratios of the sizes and thicknesses of each component in the diagrams do not necessarily reflect the actual dimensional ratios. is not limited.

The following description will be made based on the top, bottom, right and left when the panel box 10 is viewed from the front (first opening 101 side) with the distribution board 1 attached to the construction surface 100 (see FIG. 3). . In addition, the description will be made assuming that the depth direction when the panel box 10 is viewed from the front with the distribution board 1 attached to the construction surface 100 is the front-rear direction, and that the front surface of the panel box 10 faces forward. . That is, each direction is defined as indicated by the arrows "up", "down", "left", "right", "front", and "back" in FIG. 1 and the like. However, these directions are not intended to define the installation direction of the distribution board 1. Further, arrows indicating each direction in the drawings are merely shown for explanation and have no substance.

(1) Overview First, an overview of the panel box 10 and the distribution board 1 according to the present embodiment will be described with reference to FIGS. 1 to 3.

The board box 10 according to this embodiment is a box for storing at least one breaker. In this embodiment, as shown in FIG. 1, the panel box 10 houses a master breaker 2 and a plurality of (12 in the illustrated example) branch breakers 3 as at least one breaker. Moreover, the electricity distribution board 1 according to this embodiment is, for example, a electricity distribution board installed in a building (facility) such as a factory or an office building. As shown in FIG. 1, the distribution board 1 includes a panel box 10 and at least one breaker (main breaker 2 and branch breaker 3) housed in the panel box 10.

By the way, in the distribution board as described in Patent Document 1 mentioned above, when installing the distribution board on a construction surface such as a wall, the cabinet (panel box 10) is attached by holding both sides thereof. Therefore, for example, when installing the distribution board at a high place, there is a problem that the workability is not good. In order to solve the above-mentioned problem, the board box 10 according to this embodiment employs the configuration shown below.

That is, as shown in FIG. 1, the panel box 10 according to the present embodiment includes an internal unit 13, a mounting base 11, and a protrusion 16 (see FIG. 3). The internal unit 13 can attach at least one breaker (main breaker 2 and branch breaker 3). The mounting base 11 holds the internal unit 13. The protruding portion 16 protrudes from the mounting base 11 in a direction (front-back direction) intersecting the mounting surface 1111 (see FIG. 3) of the internal unit 13 on the mounting base 11. The protruding portion 16 functions as a grip portion 16A for attaching the mounting base 11 to the construction surface 100.

As described above, the board box 10 according to this embodiment includes the protrusion 16 that functions as the grip part 16A for attaching the mounting base 11 to the construction surface 100 (see FIG. 3). Therefore, when attaching the distribution board 1 to the construction surface 100, the protruding portion 16 can be held while attaching the distribution board 1, so that, for example, even when the distribution board 1 is installed at a high place, workability is unlikely to deteriorate. That is, according to the panel box 10 according to the present embodiment, compared to the case where the cabinet is mounted by holding both sides of the cabinet like the distribution board described in Patent Document 1 mentioned above, the distribution board 10 is mounted on the construction surface 100. It is possible to improve the work efficiency when installing.

(2) Configuration Next, the configuration of the panel box 10 and the distribution board 1 according to the present embodiment will be described with reference to FIGS. 1 to 10.

As shown in FIGS. 1 and 2, the distribution board 1 according to the present embodiment includes a board box 10, a master breaker 2 housed in the board box 10, and a plurality of branch breakers (12 in the illustrated example). It is equipped with breaker 3. That is, in this embodiment, at least one breaker housed in the panel box 10 includes at least one branch breaker 3.

(2.1) Main Breaker The main breaker 2 includes a rectangular parallelepiped-shaped case 20, as shown in FIG. A plurality (three in the illustrated example) of primary terminals 21 are provided at the upper end of the case 20 . A plurality of (three in the illustrated example) secondary side terminals 22 are provided at the lower end of the case 20. A contact portion electrically connected between a plurality of primary terminals 21 and a plurality of secondary terminals 22 is housed inside the case 20 . The main breaker 2 has an overcurrent protection function and an earth leakage protection function. The overcurrent protection function is a function that forcibly opens the contact portion when the main current flowing through the contact portion exceeds a predetermined threshold value. The earth leakage protection function is a function that forcibly opens the contact portion when an earth leakage is detected.

A handle 23 is arranged on the front surface of the case 20 for manually opening and closing the contact portion. An AC power source is electrically connected to the plurality of primary terminals 21 . In this embodiment, an example will be described in which the AC power distribution system is a single-phase three-wire system. Three power supply lines 201 , a voltage pole (L1 phase, L2 phase) and a neutral pole, are connected to the plurality of primary side terminals 21 . The three power lines 201 are electrically connected to an AC power source. Thereby, the main breaker 2 is electrically connected to the AC power source via the three power lines 201.

Three conductive bars 5, a voltage pole (L1 phase, L2 phase) and a neutral pole, are electrically connected to the plurality of secondary side terminals 22. Each of the three conductive bars 5 is made of metal and is formed into a strip shape that is elongated in the vertical direction. Each of the three conductive bars 5 is formed, for example, by pressing a metal plate. Each of the three conductive bars 5 is electrically connected to the power supply line 201 via the main breaker 2.

As shown in FIG. 1, the main breaker 2 is attached to a first attachment member 132 of the internal unit 13, which will be described later, by an appropriate attachment method (for example, screw fixation).

(2.2) Branch breaker The branch breaker 3 includes a case 30, as shown in FIG. The case 30 is formed into a rectangular parallelepiped shape as a whole by combining a plurality of divided bodies, each of which is a molded product of synthetic resin. The case 30 has a thin box shape that is flat in the vertical direction. A plurality of primary terminals are provided at one end (right end or left end) of the case 30 in the longitudinal direction. A plurality of secondary side terminals are provided at the other end (left end or right end) of the case 30 in the longitudinal direction. A contact portion electrically connected between a plurality of primary side terminals and a plurality of secondary side terminals is housed inside the case 30.

A handle 33 for manually opening and closing the contact portion is disposed on the front surface of the case 30. At least two of the three conductive bars 5 are electrically connected to the plurality of primary side terminals. A branch line 202 is connected to the plurality of secondary side terminals. Branch line 202 is electrically connected to a load. Thereby, the branch breaker 3 is electrically connected to the load via the branch line 202. The "load" in the present disclosure includes wiring devices such as electrical outlets with grounding electrodes, and various electrical devices such as lighting equipment and air conditioners.

As shown in FIG. 1, the plurality of branch breakers 3 are attached to a second attachment member 133 of the internal unit 13, which will be described later, by an appropriate attachment method. Moreover, the plurality of branch breakers 3 are divided into the left side and the right side of the three conductive bars 5, and a plurality of branch breakers 3 are arranged vertically on each side.

(2.3) Panel box As shown in FIGS. 1 and 2, the panel box 10 according to the present embodiment includes a mounting base 11, a cover body 12, an internal unit 13, an inner door 14, An outer door 15 is provided. Further, in this embodiment, a box body 17 is constituted by the mounting base 11 and the cover body 12. That is, as shown in FIG. 1, the board box 10 according to the present embodiment includes a box body 17 having a first opening (opening) 101 on one side (front side).

(2.3.1) Mounting Base As shown in FIG. 3, the mounting base 11 has a flat box shape with one side (front) open. The mounting base 11 is a member for holding the internal unit 13 to which the main breaker 2 and a plurality of branch breakers 3 are attached. The mounting base 11 has a base main body 111, a pair of first side plate parts 112, and a pair of second side plate parts 113. The base body 111 has a rectangular plate shape that is vertically long.

Each of the pair of first side plate portions 112 protrudes from both ends of the base body 111 in the left-right direction in a direction perpendicular to (crosses) the surface 1111 of the base body 111. Specifically, each of the pair of first side plate portions 112 protrudes forward from both ends of the base body 111 in the left-right direction. The pair of first side plate portions 112 are opposed to each other in the left-right direction.

Each of the pair of second side plate portions 113 protrudes from both ends of the base body 111 in the vertical direction in a direction perpendicular to (crosses) the surface 1111 of the base body 111. Specifically, each of the pair of second side plate portions 113 protrudes forward from both ends of the base body 111 in the up and down direction. The pair of second side plate portions 113 are opposed to each other in the vertical direction. In this embodiment, the internal unit 13 is attached to the surface 1111 of the base body 111 of the mounting base 11, so that the surface 1111 of the base body 111 is the mounting surface (hereinafter referred to as "first") of the internal unit 13 on the mounting base 11. (also referred to as "mounting surface 1111").

Here, "orthogonal" as used in the present disclosure includes not only a state in which they intersect strictly at 90 degrees, but also a state in which they intersect substantially at right angles within a certain degree of error. That is, the angle between the base body 111 and each first side plate part 112 (or each second side plate part 113) falls within a certain error range (10 degrees or less as an example) with respect to 90 degrees. In this embodiment, as an example, the angle between the base body 111 and each first side plate part 112 (or each second side plate part 113) is 90 degrees.

As shown in FIGS. 3 and 4A to 5B, the base body 111 includes a plurality of (two in the illustrated example) first fixing parts 114, a plurality of (two in the illustrated example) second fixing parts 115, A plurality of (four in the illustrated example) spacers 116 are included. The plurality of first fixing parts 114 are provided at the upper end of the surface 1111 of the base body 111 and at both ends in the left-right direction. The plurality of second fixing parts 115 are provided at the lower end of the surface 1111 of the base body 111 and at both ends in the left-right direction. The plurality of first fixing parts 114 and the plurality of second fixing parts 115 have a one-to-one correspondence. Specifically, the left first fixing part 114 among the plurality of first fixing parts 114 corresponds to the left second fixing part 115 among the plurality of second fixing parts 115. Moreover, the first fixing part 114 on the right side among the plurality of first fixing parts 114 corresponds to the second fixing part 115 on the right side among the plurality of second fixing parts 115. The plurality of spacers 116 are arranged on the left side and the right side so as to correspond to the first fixing part 114 and second fixing part 115 located on the left side, and to correspond to the first fixing part 114 and second fixing part 115 located on the right side. A plurality of each are provided in the vertical direction.

Each of the plurality of first fixing parts 114 has a U-shape when viewed from above and below. Each of the plurality of first fixing parts 114 has a pair of first pieces 1141 and second pieces 1142, as shown in FIGS. 3, 4A, and 4B. Each of the pair of first pieces 1141 protrudes from the surface 1111 of the base body 111 in a direction perpendicular to (crosses) the surface 1111 of the base body 111. Specifically, each of the pair of first pieces 1141 protrudes forward from the surface 1111 of the base body 111. The pair of first pieces 1141 are arranged in the left-right direction with a predetermined spacing between them. The second piece 1142 connects the tips (front ends) of the pair of first pieces 1141.

Each of the plurality of second fixing parts 115 has a U-shape when viewed from the front and rear directions. Each of the plurality of second fixing parts 115 has a first piece 1151 and a pair of second pieces 1152, as shown in FIGS. 3, 5A, and 5B. Each of the first piece 1151 and the pair of second pieces 1152 protrudes from the surface 1111 of the base body 111 in a direction perpendicular to (crosses) the surface 1111 of the base body 111. Specifically, each of the first piece 1151 and the pair of second pieces 1152 protrudes forward from the surface 1111 of the base body 111. The pair of second pieces 1152 are arranged in the left-right direction with a predetermined spacing between them. The first piece 1151 connects one end (upper end) of the pair of second pieces 1152.

The first piece 1151 has a through hole 1153, as shown in FIG. 5A. The through hole 1153 is, for example, a long hole whose shape when viewed from the up-down direction is long in the front-back direction. Note that the through hole 1153 may have a size that allows the projection 1341 of the fourth coupling portion 134 described later to be inserted therethrough, and may be, for example, circular or polygonal (quadrilateral as an example). .

Each of the plurality of spacers 116 has a U-shape when viewed from above and below. Each of the plurality of spacers 116 has a pair of first pieces 1161 and second pieces 1162, as shown in FIGS. 3 and 4A to 5B. Each of the pair of first pieces 1161 protrudes from the surface 1111 of the base body 111 in a direction perpendicular to (crosses) the surface 1111 of the base body 111. Specifically, each of the pair of first pieces 1161 protrudes forward from the surface 1111 of the base body 111. The pair of first pieces 1161 are lined up in the left-right direction with a predetermined spacing between them. The second piece 1162 connects the tips (front ends) of the pair of first pieces 1161.

The plurality of spacers 116 support the internal unit 13 with a gap provided between the surface 1111 of the base body 111 of the mounting base 11 and the internal unit 13. That is, the panel box 10 according to the present embodiment includes a spacer that supports the internal unit 13 with a gap provided between the first mounting surface 1111 of the internal unit 13 on the mounting base 11 and the internal unit 13. 116.

Each of the pair of first side plate portions 112 has a protrusion 16, as shown in FIG. In this embodiment, the cross-sectional shape of the protrusion 16 is circular. The protruding portion 16 includes a pair of first extending portions 161 and a second extending portion 162. Each of the pair of first extending portions 161 has a rod shape that is long in the front-rear direction. Each of the pair of first extending parts 161 is attached to the first side plate part 112 at its rear end, and its front end protrudes further forward than the first side plate part 112 . That is, each of the pair of first extending portions 161 protrudes in a direction perpendicular to (intersecting with) the first mounting surface 1111, which is the mounting surface of the internal unit 13 on the mounting base 11. The pair of first extending portions 161 are arranged in the vertical direction with a predetermined interval therebetween. That is, the pair of first extending portions 161 are fixed to the mounting base 11 with an interval in a direction parallel to the first mounting surface 1111, which is the mounting surface of the internal unit 13 on the mounting base 11. In this embodiment, the pair of first extending portions 161 are attached to the first side plate portion 112 by, for example, welding. That is, in this embodiment, the protrusion 16 is integrated with the mounting base 11.

Here, "integral" in the present disclosure means an aspect in which a plurality of elements (parts) can be physically handled as one. In other words, the phrase "a plurality of elements are integrated" means that the plurality of elements are integrated into one and can be handled as one member. In this case, the plurality of elements may be inseparable, such as an integrally molded product, or the plurality of separately produced elements may be mechanically bonded, for example by welding, gluing, caulking, etc. may be combined with That is, the attachment base 11 and the protrusion 16 may be integrated in any suitable manner.

The second extending portion 162 has a U-shape when viewed from the front and rear directions. The second extending portion 162 includes a first portion 1621 and a pair of second portions 1622. The first portion 1621 extends in the vertical direction, as shown in FIG. In other words, the protruding portion 16 has an extending portion (first portion 1621) extending along the vertical direction with the mounting base 11 attached to the construction surface 100 along the vertical direction (vertical direction). ing. That is, in this embodiment, the first portion 1621 of the second extending portion 162 is an extending portion.

Each of the pair of second portions 1622 is a portion that connects the pair of first extension portions 161 and the first portion 1621 of the second extension portion 162. The upper second portion 1622 of the pair of second portions 1622 connects the upper first extension portion 161 of the pair of first extension portions 161 and the upper end of the first portion 1621 . The lower second portion 1622 of the pair of second portions 1622 connects the lower first extending portion 161 of the pair of first extending portions 161 and the lower end of the first portion 1621 . That is, in the board box 10 according to the present embodiment, the second extending portion 162 connects the tips of the pair of first extending portions 161 and is spaced apart from the mounting base 11, as shown in FIG. ing.

Further, each of the pair of second portions 1622 projects inward (in a direction toward the internal unit 13) from the tip of the corresponding first extension portion 161 of the pair of first extension portions 161. That is, in the panel box 10 according to the present embodiment, the second extending portion 162 extends in a direction parallel to the first mounting surface 1111, which is the mounting surface of the internal unit 13 on the mounting base 11, as shown in FIG. and extends in a direction approaching the internal unit 13.

Each of the pair of second side plate portions 113 has a pair of assembly holes 1131. Each of the pair of assembly holes 1131 has a rectangular shape that is long in the left-right direction when viewed from the top and bottom. The pair of assembly holes 1131 are provided at the rear end portions of each of the pair of second side plate portions 113 and at both ends in the left-right direction.

(2.3.2) Cover Body As shown in FIG. 6, the cover body 12 is box-shaped with both sides (front and rear surfaces) open. That is, the cover body 12 has a first opening 101 (see FIG. 1) provided on the front side and a second opening 102 provided on the rear side. The opening size of the first opening 101 is slightly larger than the external size of the inner door 14, as shown in FIG. The opening size of the second opening 102 is slightly larger than the external size of the mounting base 11, as shown in FIGS. 7A and 7B.

The cover body 12 has a frame 121, a pair of first side plate parts 122, and a pair of second side plate parts 123, as shown in FIGS. 6, 7A, and 7B.

As shown in FIG. 6, the frame 121 includes a pair of first frame pieces 1211 and a pair of second frame pieces 1212. Each of the pair of first frame pieces 1211 has a vertically long bar shape. The pair of first frame pieces 1211 are arranged in the left-right direction with a predetermined interval. Each of the pair of second frame pieces 1212 has a rod shape that is long in the left-right direction. The pair of second frame pieces 1212 are arranged in the vertical direction at a predetermined interval. The frame 121 is formed into a vertically long rectangular frame by a pair of first frame pieces 1211 and a pair of second frame pieces 1212. The frame 121 has an opening 1210 in its center. The opening 1210 constitutes the first opening 101 of the cover body 12 described above.

A plurality of (two in the illustrated example) stoppers 128 are provided on the right side (left side in FIG. 6) of the pair of first frame pieces 1211. That is, the plurality of stoppers 128 are integrated with the box body 17 (the mounting base 11 and the cover body 12). The plurality of stoppers 128 are provided at both longitudinal ends of the first frame piece 1211 on the right side. Each of the plurality of stoppers 128 projects forward from the front surface of the first frame piece 1211 on the right side. A plurality of (two in the illustrated example) fixing metal fittings 129 are attached to the left first frame piece 1211 (the right side in FIG. 6) of the pair of first frame pieces 1211. The plurality of fixing fittings 129 are attached to both longitudinal ends of the first frame piece 1211 on the left side.

A first support fitting 127A is attached to the upper second frame piece 1212 of the pair of second frame pieces 1212. The first support fitting 127A is attached to the right end (left end in FIG. 6) of the upper second frame piece 1212 in the longitudinal direction. The first support fitting 127A has a plate shape that is long in the front-rear direction, and has a through hole 1271 that penetrates in the up-down direction. The through hole 1271 has a circular shape when viewed from above and below. A second support fitting 127B is attached to the lower second frame piece 1212 of the pair of second frame pieces 1212. The second support fitting 127B is attached to the right end (left end in FIG. 6) of the lower second frame piece 1212 in the longitudinal direction. The second support fitting 127B has a plate shape that is long in the front-rear direction, and is integrally provided with a projection 1272 that projects upward.

The pair of first side plate portions 122 protrude rearward from both ends of the frame 121 in the left and right direction. That is, the pair of first side plate portions 122 extend in a direction intersecting the first mounting surface 1111, which is the mounting surface of the internal unit 13 on the mounting base 11. The pair of first side plate portions 122 are opposed to each other in the left-right direction. That is, the pair (two) of first side plate parts 122 are mounted with the cover body 12 attached to the mounting base 11 attached to the construction surface 100 (see FIG. 3) along the vertical direction (vertical direction). They are lined up in a direction (left and right) that intersects the vertical direction.

A folded portion 124 is integrally provided at the rear end of each of the pair of first side plate portions 122 . The folded portion 124 projects inward from the rear end of the first side plate portion 122 . In other words, each of the pair (two) of first side plate parts 122 has a folded part 124 which is obtained by folding back the end of each of the pair (two) of first side plate parts 122 on the mounting base 11 side in a direction toward each other. have.

The pair of second side plates 123 protrude rearward from both ends of the frame 121 in the vertical direction. That is, the pair of second side plate portions 123 extend in a direction intersecting the first mounting surface 1111, which is the mounting surface of the internal unit 13 on the mounting base 11. The pair of second side plate portions 123 are opposed to each other in the vertical direction. That is, the pair (two) of second side plate parts 123 are mounted with the cover body 12 attached to the mounting base 11 attached to the construction surface 100 (see FIG. 3) along the vertical direction (vertical direction). They are lined up vertically.

The upper second side plate part 123 of the pair of second side plate parts 123 has an opening 1231 . The opening 1231 has a rectangular shape that is elongated in the left-right direction, and is provided at the center of the upper second side plate portion 123 in the left-right direction. The opening 1231 is formed up to the rear end of the upper second side plate portion 123 when viewed from the vertical direction. Therefore, as will be described later, the cover body 12 can be attached to the attachment base 11 after connecting the branch wires 202 to the main breaker 2 and the plurality of branch breakers 3 attached to the attachment base 11.

Further, the upper second side plate portion 123 further includes a pair of first coupling portions 125 . The pair of first coupling portions 125 are provided at the rear end portion of the upper second side plate portion 123 and at both ends in the left-right direction. Each of the pair of first coupling portions 125 includes a mounting piece 1251 and a coupling piece 1252, as shown in FIGS. 8A and 8B. Each of the pair of first coupling portions 125 has an L-shape when viewed from the left and right directions. Each of the pair of first coupling parts 125 is attached to the upper second side plate part 123 with an attachment piece 1251. When each of the pair of first coupling parts 125 is attached to the upper second side plate part 123, the coupling piece 1252 of each of the pair of first coupling parts 125 is attached to the lower surface of the upper second side plate part 123. It protrudes downward from the

The lower second side plate portion 123 of the pair of second side plate portions 123 has a pair of second coupling portions 126 . The pair of second coupling portions 126 are provided at the rear end portion of the lower second side plate portion 123 and at both ends in the left-right direction. Each of the pair of second coupling portions 126 includes a support piece 1261 and a spring piece 1262, as shown in FIGS. 9A and 9B. The support piece 1261 has a rectangular plate shape that is long in the front-rear direction. The spring piece 1262 is configured to be able to bend in the vertical direction by folding back the rear end of the support piece 1261 upward.

(2.3.3) Internal unit The internal unit 13 is a member for attaching the main breaker 2 and the plurality of branch breakers 3 to the mounting base 11. That is, the internal unit 13 can attach at least one breaker (main breaker 2 and a plurality of branch breakers 3). As shown in FIG. 3, the internal unit 13 includes a pair of support members 131, a first mounting member 132, and a second mounting member 133.

Each of the pair of support members 131 has a vertically long rod shape. Each of the pair of support members 131 has a U-shape when viewed from above and below. A third coupling portion 135 is attached to the upper end portions of the pair of support members 131. A fourth coupling portion 134 is attached to the lower end portions of the pair of support members 131.

As shown in FIGS. 4A and 4B, the third coupling portion 135 includes a movable portion 1351, a lever 1352, and a locking mechanism 1353 (see FIG. 8B).

The movable part 1351 is movable between a first position and a second position. The first position is a position where the distal end of the movable portion 1351 protrudes above the upper end of the support member 131 (the position shown in FIG. 4A). The second position is a position where the tip of the movable portion 1351 is retracted below the upper end of the support member 131. The third coupling portion 135 couples with the first fixing portion 114 provided on the mounting base 11 . Specifically, the third coupling portion 135 is coupled to the first fixed portion 114 by the tip of the movable portion 1351 of the third coupling portion 135 coming into contact with the rear surface of the second piece 1142 of the first fixed portion 114. . The movable portion 1351 is given an upward elastic force by a spring body (not shown).

Lever 1352 can be moved up and down by user operation. When the user moves the lever 1352 in the vertical direction, the movable part 1351 can be moved between the first position and the second position. That is, the third coupling portion 135 further includes a lever 1352 that moves the movable portion 1351 between a first position (coupled position described below) and a second position (non-coupled position described below).

The lock mechanism 1353 can be switched between a first state and a second state by a user's operation. The first state is a state in which operation of the lever 1352 is prohibited (movement of the lever 1352 is restricted). The second state is a state in which operation of the lever 1352 is permitted (movement of the lever 1352 is enabled). That is, the third coupling portion 135 further includes a locking mechanism 1353 that prohibits the lever 1352 from being operated.

The fourth coupling portion 134 has a protrusion 1341 that protrudes downward, as shown in FIGS. 5A and 5B. The fourth coupling portion 134 couples with the second fixing portion 115 provided on the mounting base 11 . Specifically, by inserting the protrusion 1341 of the fourth coupling part 134 into the through hole 1153 provided in the first piece 1151 of the second fixing part 115, the fourth coupling part 134 is connected to the second fixing part 115. Join.

As shown in FIG. 3, the first mounting member 132 has a rectangular plate shape that is long in the left-right direction. The main breaker 2 is attached to the first attachment member 132. As shown in FIG. 3, the second mounting member 133 has a rectangular plate shape that is long in the left-right direction. The vertical dimension of the second mounting member 133 is larger than the vertical dimension of the first mounting member 132. A plurality of branch breakers 3 are attached to the second attachment member 133. The first mounting member 132 and the second mounting member 133 are arranged so that the first mounting member 132 is on the upper side and the second mounting member 133 is on the lower side with respect to the pair of support members 131 that are arranged in the left-right direction with a predetermined interval. It can be attached by an appropriate attachment method (for example, screw fixation).

(2.3.4) Inner Door As shown in FIG. 1, the inner door 14 has a flat box shape with one side (rear side) open. The outer dimensions of the inner door 14 are slightly smaller than the opening dimensions of the first opening 101 of the cover body 12. The inner door 14 has a door main body 141, a pair of first side plate parts 142, and a pair of second side plate parts 143.

The door body 141 has a rectangular plate shape that is long in the vertical direction. The door main body 141 has a first exposure hole 1411, a second exposure hole 1412, and a pair of fifth coupling parts 145. The first exposure hole 1411 is a hole for exposing the functional surface (the surface on which the handle 23 is provided) of the main breaker 2 attached to the internal unit 13. The second exposure hole 1412 is a hole for exposing the functional surface (the surface on which the handle 33 is provided) of the plurality of branch breakers 3 attached to the internal unit 13.

As shown in FIG. 2, the pair of fifth coupling parts 145 are attached to the left end of the door body 141 and to both ends in the vertical direction. Each of the pair of fifth coupling parts 145 has the same structure as the third coupling part 135 described above. That is, each of the pair of fifth coupling parts 145 has a movable part, a lever 1451, and a locking mechanism 1452. Then, with the inner door 14 closed with respect to the cover body 12, the movable parts of the pair of fifth coupling parts 145 are hooked on the pair of fixing fittings 129 (see FIG. 6), so that the inner door 14 is closed. It is held closed (locked).

The pair of first side plate portions 142 protrude rearward from both ends of the door body 141 in the left and right direction. That is, the pair of first side plate portions 142 face each other in the left-right direction. The pair of second side plate portions 143 protrude rearward from both ends of the door body 141 in the vertical direction. That is, the pair of second side plate portions 143 are opposed to each other in the vertical direction.

The inner door 14 can be opened and closed with respect to the box body 17 (the mounting base 11 and the cover body 12). Specifically, the inner door 14 is attached to the box body 17 by the second support structure 19, and is moved between a closed position where the first opening 101 of the box body 17 is closed and an open position where the first opening 101 is opened. It can be opened and closed.

The second support structure 19 includes the above-mentioned first support fitting 127A, the above-mentioned second support fitting 127B, the first support part 144 (see FIG. 8B), and the second support part 1431 (see FIG. 1). have.

The first support portion 144 includes a shaft body 1441, a lever 1442, a lock mechanism 1443, and a spring body 1444, as shown in FIG. 8B. The first support portion 144 is attached to the upper end portion of the first side plate portion 142 on the right side of the inner door 14 .

The shaft body 1441 is a round bar that is long in the vertical direction. The lever 1442 is a round bar that is long in a direction perpendicular to the longitudinal direction of the shaft body 1441, and projects outward from the outer peripheral surface of the shaft body 1441. That is, in this embodiment, the shaft body 1441 and the lever 1442 are integrated.

The locking mechanism 1443 has a vertical groove 1445 that is long in the vertical direction, and a first lateral groove 1446 and a second lateral groove 1447 that are long in the front-back direction. The lock mechanism 1443 has a U-shape when viewed from the left and right directions. The first horizontal groove 1446 extends forward from the upper end of the vertical groove 1445. The second lateral groove 1447 extends forward from the lower end of the vertical groove 1445.

The spring body 1444 is attached to the shaft body 1441 so that the direction of expansion and contraction is the vertical direction. The spring body 1444 applies upward elastic force to the shaft body 1441. Therefore, when the lever 1442 is located in the vertical groove 1445, the elastic force from the spring body 1444 moves the shaft body 1441 to a supporting position, which will be described later.

In the first support portion 144 , the lever 1442 is movable within a vertical groove 1445 , a first lateral groove 1446 , and a second lateral groove 1447 . When the lever 1442 moves in the vertical direction within the vertical groove 1445, the shaft body 1441 moves between the supported position and the non-supported position. The support position is a position where the tip of the shaft body 1441 is inserted into the through hole 1271 of the first support fitting 127A. The unsupported position is a position below the supported position, and is a position where the tip of the shaft body 1441 is not inserted into the through hole 1271 of the first support fitting 127A. When the lever 1442 is located within the first lateral groove 1446, the shaft body 1441 is held at the supporting position. When the lever 1442 is located in the second lateral groove 1447, the shaft body 1441 is held in the unsupported position.

The second support portion 1431 is a through hole (hereinafter also referred to as “through hole 1431”) provided in the second side plate portion 143 on the lower side of the inner door 14, as shown in FIG. The through hole 1431 is large enough to allow the protrusion 1272 of the second support fitting 127B to be inserted therethrough, and has a circular shape when viewed from above and below. The second support portion 1431 is provided at the right end portion of the lower second side plate portion 143.

The inner door 14 has the tip of the shaft 1441 of the first support part 144 inserted into the through hole 1271 of the first support metal fitting 127A, and the protrusion 1272 of the second support metal fitting 127B inserted into the through hole (second support part) 1431. By inserting the box, the box body 17 is supported so as to be openable and closable.

(2.3.5) Outer Door As shown in FIGS. 1 and 2, the outer door 15 has a flat box shape with one side (rear side) open. The outer dimensions of the outer door 15 are one size larger than those of the inner door 14. The outer door 15 has a door main body 151, a pair of first side plate parts 152, and a pair of second side plate parts 153.

The door body 151 has a rectangular plate shape that is long in the vertical direction. The door body 151 covers the first opening 101 of the box body 17 when the outer door 15 is located in a closed position, which will be described later. The pair of first side plate portions 152 protrude rearward (toward the box body 17 side) from both ends of the door body 151 in the left-right direction (that is, the outer edges of the door body 151). That is, the pair of first side plate portions 152 face each other in the left-right direction. The pair of second side plate portions 153 protrude rearward from both ends of the door body 151 in the vertical direction. That is, the pair of second side plate portions 153 are opposed to each other in the vertical direction.

The outer door 15 can be opened and closed with respect to the box body 17 (the mounting base 11 and the cover body 12). Specifically, the outer door 15 is attached to the box body 17 by the first support structure 18, and is moved between a closed position where the first opening 101 of the box body 17 is closed and an open position where the first opening 101 is opened. It is possible to move.

The first support structure 18 includes a support fitting 130, a through hole, a first support part 154, and a second support part 1531.

As shown in FIG. 10B, the support fitting 130 is attached to the right end of the upper surface of the lower second frame piece 1212 of the frame 121 of the cover body 12. The support fitting 130 has a projection 1301 that projects upward. The through hole is provided at the right end of the lower surface of the upper second frame piece 1212 of the frame 121 of the cover body 12 .

The first support portion 154 includes a shaft body 1541, a lever 1542, a lock mechanism 1543, and a spring body 1544, as shown in FIG. 10A. That is, the first support structure (support structure) 18 includes a shaft body 1541, a lever 1542, and a lock mechanism 1543. The shaft body 1541 rotatably supports the outer door 15. The lever 1542 moves the shaft 1541 between a supported position and a non-supported position, which will be described later. Lock mechanism 1543 prohibits operation of lever 1542. The first support portion 154 is attached to the upper end portion of the first side plate portion 152 on the right side of the outer door 15.

The shaft body 1541 is a round bar that is long in the vertical direction. The lever 1542 is a round bar that is long in a direction perpendicular to the longitudinal direction of the shaft body 1541, and projects outward from the outer peripheral surface of the shaft body 1541. That is, in this embodiment, the shaft body 1541 and the lever 1542 are integrated.

The locking mechanism 1543 has a vertical groove 1545 that is long in the vertical direction, and a first lateral groove 1546 and a second lateral groove 1547 that are long in the front-back direction. The lock mechanism 1543 has a U-shape when viewed from the left and right directions. The first lateral groove 1546 extends rearward from the upper end of the vertical groove 1545. The second lateral groove 1547 extends rearward from the lower end of the vertical groove 1545.

The spring body 1544 is attached to the shaft body 1541 so that the direction of expansion and contraction is the vertical direction. The spring body 1544 applies upward elastic force to the shaft body 1541. Therefore, when the lever 1542 is located in the vertical groove 1545, the shaft body 1541 is moved to a support position described below by the elastic force from the spring body 1544.

The second support portion 1531 is a through hole (hereinafter also referred to as “through hole 1531”) provided in the second side plate portion 153 on the lower side of the outer door 15. The through hole 1531 is large enough to allow the protrusion 1301 of the support fitting 130 to be inserted therethrough, and has a circular shape when viewed from above and below.

In the first support portion 154, the lever 1542 is movable within a vertical groove 1545, a first lateral groove 1546, and a second lateral groove 1547. When the lever 1542 moves in the vertical direction within the vertical groove 1545, the shaft body 1541 moves between the supported position and the non-supported position. The support position is a position where the tip of the shaft body 1541 is inserted into the above-mentioned through hole. The unsupported position is a position below the supported position, and is a position where the tip of the shaft body 1541 is not inserted into the above-mentioned through hole. When the lever 1542 is located within the first lateral groove 1546, the shaft body 1541 is held at the supporting position. When the lever 1542 is located within the second lateral groove 1547, the shaft body 1541 is held in the unsupported position.

(3) Functions of protruding parts (3.1) Gripping part As shown in FIG. 3, the panel box 10 according to the present embodiment includes a pair of protruding parts 16 that are integrally provided with the mounting base 11. . In other words, the board box 10 has a plurality of panels (in the illustrated example, 2) protrusions 16. The second extending portion 162 of each protruding portion 16 is spaced apart from the mounting base 11 . Further, the first portion 1621 of each second extending portion 162 extends along the vertical direction (up and down direction). Therefore, according to the panel box 10 according to the present embodiment, since the mounting base 11 can be attached to the construction surface 100 by holding the first portion 1621 of each protrusion 16, for example, the distribution panel 1 can be mounted in a high place. Workability is less likely to deteriorate even when installed on That is, according to the panel box 10 according to the present embodiment, the distribution board 1 is mounted on the installation surface 100 compared to the case where the cabinet is attached by holding both sides of the cabinet like the distribution board described in Patent Document 1 mentioned above. It is possible to improve the workability when attaching to. In this manner, according to the board box 10 according to the present embodiment, the plurality of protrusions 16 can function as the grip portion 16A of the mounting base 11.

Further, by providing a plurality of protrusions 16 at both ends in the direction perpendicular to the vertical direction (left-right direction) like the board box 10 according to the present embodiment, there is an advantage that the mounting base 11 can be easily held.

Furthermore, in the board box 10 according to this embodiment, each protrusion 16 has a circular cross-sectional shape. Therefore, there is an advantage that the first portion 1621 of each protrusion 16 can be easily grasped.

(3.2) Wiring restriction section In the panel box 10 according to the present embodiment, as shown in FIG. 3, a plurality of branch breakers 3 are arranged so that the primary side terminals are on the inside and the secondary side terminals are on the outside. has been done. Therefore, when the branch line 202 is connected to the secondary terminal of each branch breaker 3, there is a possibility that the branch line 202 spreads in the left-right direction. Then, when attaching the cover body 12 to the attachment base 11 attached to the construction surface 100, the branch line 202 extending in the left-right direction may become an obstacle and reduce work efficiency.

In the panel box 10 according to the present embodiment, the protrusion 16 is provided at a position facing the plurality of branch breakers 3 attached to the internal unit 13 in the left-right direction. Therefore, the protrusion 16 can prevent the branch wire 202 connected to the secondary terminal of each branch breaker 3 from spreading in the left-right direction. As a result, there is an advantage that the branch line 202 is less likely to get in the way when attaching the cover body 12 to the attachment base 11, and workability is less likely to decrease. In this way, according to the panel box 10 according to the present embodiment, the plurality of protrusions 16 can function as the wiring regulating section 16B that regulates the movement of the branch line (electrical wiring) 202.

Further, in the panel box 10 according to the present embodiment, as shown in FIGS. 4A and 4B, each protrusion 16 has a second mounting surface 1331 (second mounting surface) which is a mounting surface of the branch breaker 3 in the internal unit 13 It protrudes further toward the branch breaker (forward) than the surface 1331) of the mounting member 133. Since the branch line (electrical wiring) 202 connected to each branch breaker 3 is arranged in front of the surface 1331 of the second mounting member 133, the forward spread of the branch line 202 is also restricted by the protrusion 16. can do.

(4) Attachment structure of the cover body to the attachment base In the distribution board 1 according to the present embodiment, after the attachment base 11 is attached to the construction surface 100, the cover body is attached to the installation base 11 attached to the construction surface 100. Attach the body 12. Thereafter, the inner door 14 and the outer door 15 are sequentially attached to the box body 17 (attachment base 11 and cover body 12) attached to the construction surface 100. Through such a procedure, the electricity distribution board 1 according to the present embodiment is attached to the construction surface 100.

In the panel box 10 according to this embodiment, the cover body 12 can be easily attached to the mounting base 11. This will be explained in detail below.

First, the coupling pieces 1252 of the pair of first coupling parts 125 provided on the second side plate part 123 on the upper side of the cover body 12 are inserted into the pair of assembly holes 1131 provided on the second side plate part 113 on the upper side of the mounting base 11. (See Figure 8B).

Next, the cover body 12 is rotated with respect to the mounting base 11 using the pair of coupling pieces 1252 inserted into the pair of assembly holes 1131 as fulcrums. At this time, the spring pieces 1262 of the pair of second coupling parts 126 provided on the second side plate part 123 on the lower side of the cover body 12 come into contact with the lower surface of the second side plate part 113 on the lower side of the mounting base 11. Then, it moves (deforms) in a direction away from the second side plate portion 113 (in a direction toward the support piece 1261). That is, in the board box 10 according to the present embodiment, the second coupling part 126 including the support piece 1261 and the spring piece 1262 is a movable body, and the spring piece 1262, which is a part of the second coupling part 126, is a leaf spring. be.

Then, when the cover body 12 is attached to the mounting base 11, as shown in FIG. The spring piece 1262 of the two coupling portions 126 is fitted. That is, in the panel box 10 according to the present embodiment, the cover body 12 can be attached to the mounting base 11 without using a tool such as a screwdriver. When the cover body 12 is attached to the mounting base 11, the periphery of the internal unit 13 is covered by the cover body 12.

In addition, from the state where the cover body 12 is attached to the mounting base 11, the spring pieces 1262 of the pair of second coupling parts 126 are deformed in a direction approaching the support piece 1261, and the lower side of the cover body 12 is attached to the mounting base 11. Lift it away from you. At this time, the spring pieces 1262 of the pair of second coupling parts 126 are released from the fitted state in the pair of assembly holes 1131.

Next, the cover body 12 is moved upward with respect to the mounting base 11 while the lower side of the cover body 12 is lifted in a direction away from the mounting base 11. At this time, the state in which the pair of coupling pieces 1252 are inserted into the pair of assembly holes 1131 is released, and the cover body 12 can be removed from the mounting base 11. That is, in the board box 10 according to the present embodiment, the cover body 12 is removable from the mounting base 11.

By the way, in the panel box 10 according to this embodiment, only the mounting base 11 is directly attached to the construction surface 100, as shown in FIG. Therefore, workability when attaching to the construction surface 100 can be improved compared to the case where the cabinet has an integral structure like the distribution board described in Patent Document 1 mentioned above.

Here, in the board box 10 according to the present embodiment, the mounting base 11 is the first member, and the cover body 12 is the second member. The mounting base 11 as a first member has a second side plate portion 113 (fixing plate) extending in a direction perpendicular to (intersecting with) a first mounting surface 1111 which is a mounting surface of the internal unit 13 on the mounting base 11. have. Further, the cover body 12 as the second member has a first joint portion 125 and a second joint portion 126 (joint portion) that are combined with the second side plate portion 113.

Further, when the cover body 12 is attached to the mounting base 11, the pair of second side plate portions 113 of the mounting base 11 and the pair of second side plate portions 123 of the cover body 12 face each other in the vertical direction. In other words, with the cover body 12 attached to the mounting base 11, at least a portion of the fixing plate and at least a portion of the second member are opposed to each other. Thereby, the pair of second side plate portions 113 and the pair of second side plate portions 123 come into contact with each other, so that vertical movement of the cover body 12 with respect to the mounting base 11 can be restricted.

Furthermore, in the panel box 10 according to the present embodiment, the width dimension W1 of the mounting base 11 in the direction (left and right direction) in which the pair of first side plates 122 of the cover body 12 are lined up is the width dimension W1 of the mounting base 11 when the cover body 12 is The width dimension is such that it does not interfere with the pair of folded portions 124 in the folded state. In other words, the width W1 of the mounting base 11 is smaller than the width W2 of the pair of folded portions 124 subtracted from the width W0 of the cover body 12, as shown in FIG. 7A. This configuration has the advantage that workability when attaching the cover body 12 to the attachment base 11 is improved.

(5) Attachment structure of the internal unit to the mounting base In the panel box 10 according to the present embodiment, the internal unit 13 can be easily attached to the mounting base 11, as shown in FIGS. 4A to 5B. . This will be explained in detail below.

First, in the through holes 1153 of the pair of second fixing parts 115 provided at the lower end of the base body 111 of the mounting base 11, the pair of fourth fixing parts provided at the lower end of the pair of support members 131 of the internal unit 13 Insert the protrusion 1341 of the coupling part 134 (see FIG. 5B).

Next, the internal unit 13 is rotated in a direction toward the base body 111 of the mounting base 11 using the pair of protrusions 1341 inserted into the pair of through holes 1153 as fulcrums. At this time, the movable parts 1351 of the pair of third coupling parts 135 provided at the upper end parts of the pair of support members 131 of the internal unit 13 are moved from the movable parts 1351 of the pair of third coupling parts 135 provided at the upper end parts of the pair of support members 131 of the internal unit 13. 1 contacts the second piece 1142 of the fixing part 114. Each movable part 1351 moves downward by the reaction force from each second piece 1142 against the elastic force from the spring body. In other words, when the internal unit 13 is attached to the mounting base 11 , the movable part 1351 comes into contact with the second piece 1142 of the first fixed part 114 and moves away from the second piece 1142 .

When the internal unit 13 reaches a predetermined position (the position shown in FIG. 4B) with respect to the mounting base 11, each movable part 1351 moves upward by the elastic force from the spring body. As a result, each movable part 1351 comes into contact with the rear surface of each second piece 1142, and the internal unit 13 is attached to the mounting base 11. That is, in the panel box 10 according to the present embodiment, the internal unit 13 can be attached to the mounting base 11 without using a tool such as a screwdriver. Furthermore, in the panel box 10 according to the present embodiment, the internal unit 13 can be rotated about one end (the pair of protrusions 1341) in the direction parallel to the mounting surface 1111 of the internal unit 13 on the mounting base 11 as a fulcrum. It can be attached to the mounting base 11 with.

Here, in the panel box 10 according to the present embodiment, the mounting base 11 is the first component, and the internal unit 13 is the second component. The mounting base 11 as the first component has a first fixing part 114 and a second fixing part 115 (fixing part) extending in a direction intersecting the mounting surface 1111 of the internal unit 13 on the mounting base 11. ing. In addition, the internal unit 13 as a second component has a third connecting part 135 and a fourth connecting part that connect with the first fixing part 114 and the second fixing part 115 when the internal unit 13 is attached to the mounting base 11. 134 (joint part).

By the way, when the internal unit 13 is attached to the mounting base 11, as shown in FIG. 4B, the first fixing part 114 and the third coupling part 135 face each other in the vertical direction. Furthermore, when the internal unit 13 is attached to the mounting base 11, as shown in FIG. 5B, the second fixing part 115 and the fourth coupling part 134 face each other in the vertical direction. Thereby, vertical movement of the internal unit 13 with respect to the mounting base 11 can be restricted.

Further, from the state in which the internal unit 13 is attached to the mounting base 11, each lever 1352 is moved downward to release the contact state between each movable portion 1351 and each second piece 1142. From this state, the internal unit 13 is rotated away from the mounting base 11 using the pair of protrusions 1341 inserted into the pair of through holes 1153 as fulcrums. Finally, by moving the internal unit 13 upward, the insertion state of each protrusion 1341 into each through hole 1153 is released, and the internal unit 13 can be removed from the mounting base 11.

(6) Structure for attaching the outer door and inner door to the box body In the panel box 10 according to the present embodiment, the inner door 14 and the outer door 15 can be easily attached to the box body 17 (mounting base 11 and cover body 12). Can be installed. This will be explained in detail below. However, since the inner door 14 and the outer door 15 are attached to the box body 17 using the same procedure, the case where the outer door 15 is attached to the box body 17 will be explained below, and the case where the inner door 14 is attached to the box body 17 will be explained below. Description of the case will be omitted.

First, as shown in FIG. 10B, a through hole (second support part) 1531 provided in the second side plate part 153 on the lower side of the outer door 15 is inserted into the lower second side plate part 153 of the frame 121 of the cover body 12. Insert the protrusion 1301 of the support metal fitting 130 provided on the frame piece 1212.

Next, the shaft of the first support part 154 attached to the first side plate part 152 on the right side of the outer door 15 is inserted into the through hole provided in the upper second frame piece 1212 of the frame 121 of the cover body 12. Insert 1541. Here, as described above, the shaft body 1541 is applied with an upward elastic force from the spring body 1544, and is located at the above-mentioned support position. Therefore, the shaft body 1541 moves downward against the elastic force from the spring body 1544 due to the reaction force from the second frame piece 1212 on the upper side. When the shaft body 1541 reaches a position where it overlaps the through hole in the vertical direction, it moves upward by the elastic force from the spring body 1544 and is inserted into the through hole. Thereby, the outer door 15 is attached to the box body 17.

In this way, the first support structure (support structure) 18 described above rotatably supports the outer door 15 with respect to the box body 17 when the outer door 15 is attached to the box body 17. Further, as described above, the outer door 15 can be attached to the box body 17 without using tools such as a screwdriver. Thereby, workability when attaching the outer door 15 to the box body 17 can be improved. Furthermore, since the inner door 14 can be attached to the box body 17 using the same procedure, the workability when attaching the inner door 14 to the box body 17 can also be improved.

Also, from the state where the outer door 15 is attached to the box body 17, move the lever 1542 of the first support part 154 downward to release the insertion state of the shaft body 1541 into the through hole, and then attach the outer door 15 to the box body 17. Move it away from the main body 17. Then, by moving the outer door 15 upward, the insertion state of the protrusion 1301 into the through hole 1531 is released, and the outer door 15 can be removed from the box body 17. Further, the inner door 14 can also be removed from the box body 17 using the same procedure.

By the way, in the board box 10 according to this embodiment, as shown in FIGS. 10A and 10B, the rotation of the outer door 15 with respect to the box body 17 can be restricted by a pair of stoppers 128. Specifically, the pair of stoppers 128 restricts the rotation of the outer door 15 by contacting the rear edge of the first side plate portion 152 on the right side of the outer door 15 . In other words, the contact portion of the outer door 15 with the stopper 128 is a part of the first side plate portion 152 on the right side. That is, in the panel box 10 according to the present embodiment, the contact portion of the outer door 15 with the stopper 128 (the rear edge of the first side plate portion 152 on the right side) is in the state where the outer door 15 is located in the closed position. It is located in a location that cannot be seen from the outside.

Further, in the board box 10 according to the present embodiment, a relief portion 1521 is provided at the rear end edge of the right first side plate portion 152, which is the portion of the outer door 15 that contacts the stopper 128. The shape of the relief portion 1521 is such that a part of the first side plate portion 152 on the right side is cut out into a rectangular shape. In this manner, by providing the relief portion 1521 in the contact portion of the outer door 15 with the stopper 128, the degree of opening of the outer door 15 with respect to the box body 17 can be increased compared to the case where the relief portion 1521 is not provided. In short, in the board box 10 according to this embodiment, the first right side plate section 152 has a relief section 1521 for allowing the stopper 128 to escape when the outer door 15 is in the open position. The contact portion of the outer door 15 with the stopper 128 is the edge portion of the relief portion 1521.

(7) Modifications The embodiment described above is just one of various embodiments of the present disclosure. The embodiments described above can be modified in various ways depending on the design, etc., as long as the objective of the present disclosure can be achieved. Modifications of the above embodiment will be listed below. The modified examples described below can be applied in combination as appropriate.

In the embodiment described above, the protrusion 16 is integrally attached to the first side plate 112 of the mounting base 11 by welding, but the protrusion 16 is, for example, a part of the first side plate 112. It may be formed integrally with the first side plate part 112 by cutting and raising it. In this case, there is an advantage that there is no need to attach the protrusion 16, which is formed separately from the first side plate 112, to the first side plate 112.

In the above-described embodiment, the cross-sectional shape of the protruding portion 16 is circular, but the cross-sectional shape of the protruding portion 16 may be, for example, a polygon such as a triangle or a quadrangle.

In the above embodiment, the upper second side plate 123 of the pair of second side plates 123 included in the cover body 12 has the opening 1231, but both of the pair of second side plates 123 have the opening 1231. Alternatively, the lower second side plate portion 123 may have an opening. That is, at least one of the pair of second side plate parts 123 included in the cover body 12 may have an opening.

In the embodiment described above, the mounting base 11 is the first member and the cover body 12 is the second member, but the reverse may be possible. That is, the mounting base 11 may be the second member having the connecting portion, and the cover body 12 may be the first member having the fixing portion.

In the embodiment described above, the mounting base 11 is the first component and the internal unit 13 is the second component, but the reverse may be possible. That is, the mounting base 11 may be the second part having the coupling part, and the internal unit 13 may be the first part having the fixing part.

In the embodiment described above, the second coupling part 126 is a movable body, but both the first coupling part 125 and the second coupling part 126 may be movable bodies, or the first coupling part 125 is a movable body. There may be. That is, at least one of the first coupling part 125 and the second coupling part 126 may be a movable body.

(summary)
As explained above, the panel box (10) according to the first aspect includes the internal unit (13), the mounting base (11), and the protrusion (16). The internal unit (13) can be attached with at least one breaker (2, 3). The mounting base (11) holds the internal unit (13). The protrusion (16) protrudes from the mounting base (11) in a direction intersecting the mounting surface (1111) of the internal unit (13) on the mounting base (11). The protruding portion (16) functions as a gripping portion (16A) for attaching the mounting base (11) to the construction surface (100).

According to this aspect, the mounting base (11) can be attached to the construction surface (100) by holding the protrusion (16), and the workability when installing the distribution board (1) on the construction surface (100) is improved. can be improved.

The panel box (10) according to the second aspect includes an internal unit (13), a mounting base (11), and a protrusion (16). The internal unit (13) can be attached with at least one breaker (2, 3). The mounting base (11) holds the internal unit (13). The protrusion (16) protrudes from the mounting base (11) in a direction intersecting the mounting surface (1111) of the internal unit (13) on the mounting base (11). The protruding portion (16) functions as a wiring regulating portion (16B). The wiring regulating section (16B) regulates the movement of the electrical wiring (202) so that the electrical wiring (202) connected to at least one breaker (2, 3) does not spread outside the mounting base (11).

According to this aspect, it is possible to suppress the spread of the electric wiring (202) connected to the breakers (2, 3).

The board box (10) according to the third aspect further includes a cover body (12) in the first or second aspect. The cover body (12) is located outside the protrusion (16) in plan view and is attached to the mounting base (11) so as to surround the internal unit (13).

According to this aspect, the internal unit (13) attached to the attachment base (11) can be covered with the cover body (12).

In the board box (10) according to the fourth aspect, in the third aspect, the cover body (12) is removably attached to the mounting base (11).

According to this aspect, the cover body (12) can be attached to and detached from the mounting base (11).

In the board box (10) according to the fifth aspect, in any one of the first to fourth aspects, the protrusion (16) has an extension (162). The extension portion (162) extends along the vertical direction with the mounting base (11) attached to the construction surface (100) along the vertical direction (vertical direction).

According to this aspect, the attachment base (11) can be attached to the construction surface (100) by holding the extension part (162).

The board box (10) according to the sixth aspect includes a plurality of protrusions (16) in the fifth aspect. The plurality of protrusions (16) are provided at both ends of the mounting base (11) in a direction parallel to the construction surface (100) and in a direction intersecting the vertical direction.

According to this aspect, since the protrusions (16) are provided at both ends of the mounting base (11), there is an advantage that the mounting base (11) can be easily held.

In the panel box (10) according to the seventh aspect, in any one of the first to sixth aspects, at least one breaker (2, 3) includes at least one branch breaker (3). The protrusion (16) is provided at a position facing at least one branch breaker (3) with the at least one branch breaker (3) attached to the internal unit (13).

According to this aspect, it is possible to restrict the electrical wiring (202) connected to at least one branch breaker (3) from spreading outside the mounting base (11).

In the board box (10) according to the eighth aspect, in any one of the first to seventh aspects, the protrusion (16) has a circular cross-sectional shape.

According to this aspect, when the protrusion (16) is used as the grip part (16A), there is an advantage that the protrusion (16) is easy to hold. Further, when the protruding part (16) is used as the wiring regulating part (16B), there is an advantage that it is easy to fix the electric wiring (202) connected to the breaker (2, 3) to the protruding part (16). .

In the board box (10) according to the ninth aspect, in any one of the first to eighth aspects, the protrusion (16) is integral with the mounting base (11).

According to this aspect, there is an advantage that there is no need to attach the protrusion (16) to the attachment base (11).

In the board box (10) according to the tenth aspect, in any one of the first to ninth aspects, the protrusion (16) includes a pair of first extension parts (161) and a second extension part (161). It has an exit part (162). The pair of first extending portions (161) protrude in a direction intersecting the mounting surface (1111). The second extending portion (162) connects the tips of the pair of first extending portions (161). The pair of first extensions (161) are fixed to the mounting base (11) with an interval in a direction parallel to the mounting surface (1111). The second extension (162) is spaced apart from the mounting base (11).

According to this aspect, the second extending portion (162) can be provided when the mounting base (11) is mounted on the construction surface (100).

In the panel box (10) according to the eleventh aspect, in the tenth aspect, the second extending portion (162) approaches the internal unit (13) in a direction parallel to the mounting surface (1111). It extends in the direction.

According to this aspect, movement of the electric wiring (202) connected to the breaker (2, 3) toward the front side (toward the cover body 12 side) can be restricted by the second extending portion (162).

In the panel box (10) according to the twelfth aspect, in any one of the first to eleventh aspects, the protrusion (16) is located closer to the breaker (3) than the second mounting surface (1331). It stands out. The second mounting surface (1331) is different from the first mounting surface (1111) as the mounting surface (1111), and is the mounting surface (1331) of the breaker (3) in the internal unit (13).

According to this aspect, the protrusion (16) can restrict the electrical wiring (202) connected to the breaker (3) from spreading outside the mounting base (11).

A distribution board (1) according to a thirteenth aspect includes the panel box (10) according to any one of the first to twelfth aspects and at least one breaker (2, 3).

According to this aspect, the mounting base (11) can be attached to the construction surface (100) by holding the protrusion (16), and the workability when installing the distribution board (1) on the construction surface (100) is improved. can be improved.

The configurations according to the second to twelfth aspects are not essential to the board box (10) and can be omitted as appropriate.

1 Distribution board 2 Main breaker (breaker)
3 Branch breaker (breaker)
10 Panel box 11 Mounting base 12 Cover body 13 Internal unit 16 Projection part 16A Grip part 16B Wiring regulation part 100 Construction surface 161 First extension part 162 Second extension part (extension part)
202 Branch line (electrical wiring)
1111 First mounting surface (mounting surface)
1331 Second mounting surface

Claims (11)

an internal unit to which at least one breaker can be attached;
a mounting base that holds the internal unit;
a protrusion that protrudes from the mounting base in a direction intersecting a mounting surface of the internal unit on the mounting base and functions as a grip for mounting the mounting base on a construction surface ;
comprising a plurality of the protrusions,
Each of the plurality of protruding parts has an extending part extending along the vertical direction with the mounting base attached to the construction surface along the vertical direction,
The plurality of protrusions are provided at both ends of the mounting base in a direction parallel to the construction surface and in a direction intersecting the vertical direction.
board box. an internal unit to which at least one breaker can be attached;
a mounting base that holds the internal unit;
moving the electrical wiring so that the electrical wiring that protrudes from the mounting base in a direction intersecting the mounting surface of the internal unit on the mounting base and is connected to the at least one breaker does not spread outside the mounting base; a protruding part that functions as a wiring regulating part to regulate the wiring ;
comprising a plurality of the protrusions,
Each of the plurality of protruding parts has an extending part extending along the vertical direction with the mounting base attached to the construction surface along the vertical direction,
The plurality of protrusions are provided at both ends of the mounting base in a direction parallel to the construction surface and in a direction intersecting the vertical direction.
board box. further comprising a cover body located outside the protrusion in plan view and attached to the mounting base so as to surround the internal unit unit;
The board box according to claim 1 or 2. The cover body is removably attached to the mounting base,
The board box according to claim 3. the at least one breaker includes at least one branch breaker;
The protruding portion is provided at a position facing the at least one branch breaker when the at least one branch breaker is attached to the internal unit.
The board box according to any one of claims 1 to 4. The cross-sectional shape of the protrusion is circular;
The board box according to any one of claims 1 to 5. the protrusion is integral with the mounting base;
The board box according to any one of claims 1 to 6. The protruding portion is
a pair of first extensions protruding in a direction intersecting the mounting surface;
a second extending portion connecting the tips of the pair of first extending portions,
The pair of first extending portions are fixed to the mounting base with an interval in a direction parallel to the mounting surface,
the second extending portion is separated from the mounting base;
The board box according to any one of claims 1 to 7. The second extending portion extends in a direction parallel to the mounting surface and in a direction approaching the internal unit.
The board box according to claim 8. The protruding portion is different from the first mounting surface serving as the mounting surface and protrudes toward the breaker from a second mounting surface serving as the mounting surface for the breaker in the internal unit.
The board box according to any one of claims 1 to 9. A board box according to any one of claims 1 to 10,
at least one breaker;
Distribution board.

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