Cabinets and wiring devices

The cabinet and wiring device address the issue of lock exposure by using a rotatable door with hook portions and a cover to conceal the lock, achieving improved appearance and security.

JP7813163B2Active Publication Date: 2026-02-12PANASONIC HOLDINGS CORP
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Patent Information

Application Number
JP2022036482
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2022-03-09
Publication Date
2026-02-12
Estimated Expiration
2042-03-09

AI Technical Summary

Technical Problem

Conventional electrical equipment storage boxes expose the padlock when locked, compromising the appearance.

Method used

A cabinet with a rotatable door featuring hook portions for the lock latch and a cover portion that conceals the lock when locked, ensuring the lock is not entirely exposed.

Benefits of technology

The cabinet and wiring device can lock the door while improving the appearance by concealing the lock, enhancing aesthetic appeal.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

To provide a cabinet capable of improving an appearance while locking a door, and a wiring device.SOLUTION: A cabinet C1 comprises: a box-shaped box including an opening on a front face; and a door 3 which is attached to the box and closes the opening in such a manner that the opening can be opened / closed. The door 3 is held by the box so as to be rotatable between a closing position where the opening is closed and an opening position where the opening is opened. The box includes a first hook part where a latch 91 of a lock 9 can be hooked. The door 3 includes a second hook part where the latch 91 can be hooked and a cover part 300 covering at least a portion of the lock 9 in a view from a front side in a state where locking is performed by hooking the latch 91 in the first hook part and the second hook part.SELECTED DRAWING: Figure 1
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Description

[Technical Field]

[0001] The present disclosure relates to a cabinet and a wiring device, and more particularly to a cabinet with a door and a wiring device including the cabinet. [Background technology]

[0002] As a conventional example, an electrical equipment storage box (cabinet) is shown as being described in Patent Document 1. The electrical equipment storage box described in Patent Document 1 includes a box body having an opening on the front side, and a door body for opening and closing the opening of the box body.

[0003] The outer edge of the door is bent backward, allowing it to swing open to one side with the right side as the axis relative to the box body. A handle that can be turned by the user is attached to the left side of the door, and a receiver with which the handle can engage is attached to the left surface of the draining part of the box body.

[0004] The lower end of the front face of the handle is provided with a lock notch for inserting the hasp of a padlock. When the hasp of the padlock is inserted into the lock notch with the door closed and the padlock is locked, the door is locked in the closed position. [Prior art documents] [Patent documents]

[0005] [Patent Document 1] Japanese Patent Application Laid-Open No. 2017-22829 Summary of the Invention [Problem to be solved by the invention]

[0006] However, the conventional example described in Patent Document 1 has a problem in that the padlock is exposed when the door body is locked, which makes the appearance unattractive.

[0007] An object of the present disclosure is to provide a cabinet and a wiring device that can lock the door while improving the appearance. [Means for solving the problem]

[0008] A cabinet according to one aspect of the present disclosure includes a box-shaped box having an opening on its front surface, and a door attached to the box to openably and closably close the opening. The door is held on the box so as to be rotatable between a closed position that closes the opening and an open position that opens the opening. The box has a first hook portion on which a latch of a lock can be hooked. The door has a second hook portion on which the latch can be hooked, and a second hook portion on which the latch can be hooked, and a lock portion on which the latch can be hooked when viewed from the front when the latch is hooked on the first hook portion and the second hook portion and locked. All and a cover portion that covers the The cover portion is formed so as to protrude downward from the door but not protrude forward of the door. A cabinet according to one embodiment of the present disclosure includes a box-shaped box having an opening on its front surface, and a door attached to the box to openably and closably close the opening. The door is held on the box so as to be rotatable between a closed position that closes the opening and an open position that opens the opening. The box has a plurality of first hook portions on which a latch of a lock can be hooked. The door has a second hook portion on which the latch can be hooked, and a cover portion that covers at least a portion of the lock when viewed from the front when the latch is hooked on the first hook portion and the second hook portion and locked. The second hook portion can be positioned between two adjacent first hook portions among the plurality of first hook portions. The box has a fitting portion into which a portion of the second hook portion fits between two adjacent first hook portions. A cabinet according to one embodiment of the present disclosure includes a box-shaped box having an opening on its front surface, and a door attached to the box to openably and closably close the opening. The door is held on the box so as to be rotatable between a closed position that closes the opening and an open position that opens the opening. The box has a first hook portion to which a latch of a lock can be hooked. The door has a plurality of second hook portions to which the latch can be hooked, and a cover portion that covers at least a portion of the lock when viewed from the front in a locked state with the latch hooked on the first and second hook portions. The first hook portion can be positioned between two adjacent second hook portions among the plurality of second hook portions. The door has a fitting portion into which a portion of the first hook portion fits between two adjacent second hook portions.

[0009] A wiring device according to an aspect of the present disclosure includes the cabinet and an electrical device housed in the cabinet, the electrical device including at least a molded case circuit breaker. [Effects of the Invention]

[0010] The cabinet and wiring device of the present disclosure have the advantage of being able to lock the door while improving the appearance. [Brief explanation of the drawings]

[0011] [Figure 1] FIG. 1 is a front view of a wiring device and a cabinet with a door closed according to an embodiment of the present disclosure. [Figure 2] FIG. 2 is a front view of the wiring device and the cabinet with the door open. [Figure 3] FIG. 3 is a bottom view of the wiring device and the cabinet with the door closed. [Figure 4] FIG. 4 is an exploded perspective view of the wiring device and the cabinet. [Figure 5] FIG. 5 shows the cabinet of the same type, and is a perspective view of the main part before the door is closed. [Figure 6] FIG. 6 shows the cabinet of the same type, and is a perspective view of the main part after the door is closed. [Figure 7] FIG. 7 is a perspective view of a door in the cabinet. [Figure 8] FIG. 8 is a schematic diagram showing an installation state of the wiring device. [Figure 9] FIG. 9 is a front view of the wiring device with the door and inner lid removed. [Figure 10] FIG. 10 is a front view of a first modification of the cabinet. [Figure 11] FIG. 11 is a rear view of the first modified example of the cabinet. [Figure 12] FIG. 12 is a perspective view of a second modification of the cabinet. DETAILED DESCRIPTION OF THE INVENTION

[0012] Hereinafter, cabinets and wiring devices according to embodiments of the present disclosure will be described in detail with reference to the drawings. However, the drawings described in the following embodiments are schematic diagrams, and the ratios of the sizes and thicknesses of the components do not necessarily reflect the actual dimensional ratios. Note that the configurations described in the following embodiments are merely examples of the present disclosure. The present disclosure is not limited to the following embodiments, and various modifications are possible depending on the design, etc., as long as the effects of the present disclosure can be achieved.

[0013] (1) Overview A cabinet C1 according to this embodiment includes a box B1 having an opening 21 on its front surface, and a door 3 attached to the box B1 that can open and close and close the opening 21 (see FIGS. 1 to 3). The door 3 is held on the box B1 so as to be rotatable between a closed position (see FIGS. 1 and 3) that closes the opening 21 and an open position (see FIG. 2) that opens the opening 21. The box B1 has a first hook portion 22 on which a latch 91 of a lock 9 can be hooked. The door 3 has a second hook portion 32 on which the latch 91 can be hooked, and a cover portion 300 that covers at least a portion of the lock 9 when viewed from the front when the latch 91 is hooked on the first hook portion 22 and the second hook portion 32 and locked.

[0014] The wiring device A1 according to the embodiment includes a cabinet C1 according to the embodiment and an electric device 5 (see FIG. 2) housed in the cabinet C1 according to the embodiment. The electric device 5 includes at least a molded case circuit breaker.

[0015] Thus, the cabinet C1 and wiring device A1 according to the embodiment can lock the door 3 by hooking the hasp 91 of the lock 9 on the first hook portion 22 of the box B1 and the second hook portion 32 of the door 3, thereby preventing the door 3 from being opened inadvertently. Moreover, in the cabinet C1 and wiring device A1 according to the embodiment, when the door 3 is locked, the cover portion 300 covers at least a portion of the lock 9 when viewed from the front, thereby improving the appearance compared to the conventional example in which the lock is entirely exposed.

[0016] (2) Details of the wiring device according to the embodiment A wiring device A1 according to the embodiment (hereinafter simply referred to as wiring device A1) is installed on the roof (surface of the exterior wall) of a house H1, as shown in Fig. 8. On the roof of the house H1, a watt-hour meter M1 and a charger F1 for an electric vehicle are installed together with the wiring device A1.

[0017] The watt-hour meter M1 is electrically connected to the service line E1 that is drawn from the pole transformer D1 to the house H1. The watt-hour meter M1 is electrically connected to the wiring device A1 via the first trunk line X1. The service line E1 and the first trunk line X1 use a three-core electric cable for outdoor wiring that includes two voltage sidings and one neutral line of a single-phase three-wire circuit. The watt-hour meter M1 measures the amount of power supplied from the service line E1 through the first trunk line X1 to the house H1 and the charger F1.

[0018] The charger F1 has a housing F10, a charging cable F11, and a charging connector F12. The housing F10 houses a charging control device and is attached to the roof of the house H1. The charging cable F11 is drawn out from the housing F10. The charging connector F12 is provided at the end of the charging cable F11. The charging connector F12 is removably connected to a charging inlet of an electric vehicle (including a plug-in hybrid electric vehicle; the same applies below).

[0019] The charge control device communicates with a charge control ECU (Electronic Control Unit) of the electric vehicle via the charge connector F12 and the charge cable F11, and controls the on / off of power supply to the charge cable F11 based on instructions from the charge control ECU.

[0020] The wiring device A1 is electrically connected to the charger F1 via a third trunk line X3. The wiring device A1 is also electrically connected to a residential distribution board (hereinafter referred to as the residential board) G1 via a second trunk line X2.

[0021] The residential panel G1 is installed inside the house H1. The residential panel G1 has one main switch G11 and multiple branch switches G12. A three-core electric cable for indoor wiring, such as a VVF cable, is used for the second trunk line X2. The second trunk line X2 is electrically connected to the primary terminal of the main switch G11.

[0022] The wiring device A1 includes a cabinet C1 according to the embodiment (hereinafter abbreviated as cabinet C1) and a plurality of electric devices 5 housed in the cabinet C1 (see FIG. 9).

[0023] The electric device 5 in the embodiment includes a plurality of molded case circuit breakers, a plurality of terminal blocks, a lightning arrester, a plurality of fuse holders, and the like.

[0024] The first switch 51 is configured as a molded case circuit breaker. However, the first switch 51 may also be configured as an earth leakage circuit breaker. The first switch 51 has three primary side terminals 511 and three secondary side terminals 512. Three first trunk lines X1 are electrically connected to each of the three primary side terminals 511. However, of the three first trunk lines X1, two first trunk lines X1 corresponding to voltage side lines are connected to two primary side terminals 511 at both ends, one each, and the remaining first trunk line X1 corresponding to the neutral line is connected to the central primary side terminal 511. In other words, the primary side terminal 511 of the first switch 51 is electrically connected to the watt-hour meter M1 via the first trunk line X1.

[0025] The three secondary terminals 512 of the first switch 51 are electrically connected to the three first electric circuits 57A one by one. Furthermore, the two secondary terminals 512 at both ends of the three secondary terminals 512 of the first switch 51 are electrically connected to the two second electric circuits 57B one by one. In other words, the two second electric circuits 57B are electrically connected via the first switch 51 to the two first trunk lines X1 corresponding to the voltage siding lines.

[0026] The first terminal block 53 has three pairs of screw terminals. These three pairs of screw terminals are electrically connected via three conductive plates. However, the screw terminals and conductive plates of each pair are electrically insulated from each other. Three first electric circuits 57A are electrically connected to the three screw terminals, one each. Furthermore, three second trunk lines X2 are electrically connected to each of the three screw terminals in each pair. In other words, the three first electric circuits 57A are electrically connected to the three second trunk lines X2, one each, via the first terminal block 53.

[0027] The second switch 52 is configured as a molded case circuit breaker, similar to the first switch 51. However, the second switch 52 may be configured as an earth leakage circuit breaker. The second switch 52 has two primary side terminals 521 and two secondary side terminals 522. Two second electric circuits 57B are electrically connected to each of the two primary side terminals 521. Furthermore, two third electric circuits 57C are electrically connected to each of the two secondary side terminals 522.

[0028] The second terminal block 54 has three pairs of screw terminals. These three pairs of screw terminals are electrically connected via three conductive plates. However, the screw terminals and conductive plates of each pair are electrically insulated from one another. Two third electric circuits 57C are electrically connected to each of the two screw terminals. Furthermore, two fourth electric circuits 57D are electrically connected to each of the two screw terminals. Furthermore, two third trunk lines X3 are electrically connected to each of the two screw terminals in each pair. In other words, the two third electric circuits 57C and the two fourth electric circuits 57D are electrically connected to the two third trunk lines X3, one each, via the second terminal block 54.

[0029] The lightning arrester 55 has two input terminals 551, one ground terminal 552, an arrester, and a varistor. The arrester and varistor are inserted in series between each input terminal 551 and the ground terminal 552. The lightning arrester 55 absorbs the energy of large surge voltages using the arrester, while suppressing follow-on currents using the varistor. The two input terminals 551 are electrically connected to two fourth electric circuits 57D, one each. The ground terminal 552 is electrically connected to the screw terminal of the second terminal block 54 via the fifth electric circuit 57E. The screw terminal of the second terminal block 54 is electrically connected to the ground wire. The ground wire is grounded to the earth outside (outdoors) of the house H1 by type D grounding work.

[0030] The fuse holder 56 holds fuses that are inserted into the two fourth electrical paths 57D one by one.

[0031] (3) Details of the Cabinet According to the Embodiment The cabinet C1 includes a box B1, a door 3, and an inner lid 4 (see Figures 1 to 4). In the following description, unless otherwise specified, the front-rear, up-down, left-right directions indicated by arrows in Figure 4 are defined as the front-rear, up-down, left-right directions of the cabinet C1.

[0032] (3-1) Box The box B1 has a base 1 and a frame 2.

[0033] The base 1 is formed into a quadrilateral plate shape from a self-extinguishing synthetic resin material such as polycarbonate resin (see FIG. 4). A mounting plate 58 is fixed to the front surface of the base 1. The mounting plate 58 is formed into a quadrilateral plate shape from a metal plate. The electrical equipment 5 (first switch 51, second switch 52, first terminal block 53, second terminal block 54, lightning arrester 55, and two fuse holders 56) are attached to the front surface of the mounting plate 58 (see FIG. 4). The mounting plate 58 is fixed to the front surface of the base 1 by an appropriate fixing method such as screwing or crimping.

[0034] The base 1 has a plurality of (four in the illustrated example) inlets 10 below the mounting plate 58. The first trunk line X1, the second trunk line X2, and the third trunk line X3 can be inserted into these inlets 10.

[0035] The frame body 2 is made of a self-extinguishing synthetic resin material such as polycarbonate resin and has a quadrilateral frame shape with four side plates 20 surrounding an opening 21. Here, the side plates 20 located above, below, left and right of the opening 21 may be referred to as an upper plate 20U, a lower plate 20D, a left plate 20L, and a right plate 20R.

[0036] The frame 2 also has an eaves portion 23 and three walls 24 (a left wall portion 24L, a right wall portion 24R, and a bottom wall portion 24D).

[0037] The upper plate 20U is curved in an arc shape. The eaves portion 23 is formed in the shape of a plate that is curved in an arc shape like the upper plate 20U, and protrudes forward from the front end of the upper plate 20U. A plurality of (three in the illustrated example) first bearing portions 25 are provided near the boundary between the upper plate 20U and the eaves portion 23 (see FIG. 4).

[0038] The left wall portion 24L is formed in a trapezoidal shape with an oblique side curved in an arc shape, and protrudes forward from the front end of the left side plate 20L. A stopper piece 240 protruding leftward is provided at the upper front end of the outer surface of the left wall portion 24L.

[0039] The right wall portion 24R is formed in a trapezoidal shape with an oblique side curved in an arc shape, and protrudes forward from the front end of the right side plate 20R. A stopper piece 240 protruding rightward is also provided at the upper front end of the outer surface of the right wall portion 24R.

[0040] The lower wall portion 24D protrudes forward from the front end of the lower plate 20D. A locking portion 242 is provided on each of the left and right ends of the lower wall portion 24D. These two locking portions 242 are formed in a rectangular column shape and protrude downward from the underside of the lower wall portion 24D (see FIG. 2). A first recess 200 is provided in the left and right center of the lower wall portion 24D. The first recess 200 is composed of a central portion of the lower wall portion 24D that is recessed upward in a semi-elliptical shape, and a flat bottom portion 201 that connects the front end of the left and right central portion of the lower plate 20D to the rear end of the central portion of the lower wall portion 24D (see FIG. 2).

[0041] Here, a pair of first hook portions 22 are provided in the first recess 200 (see FIG. 5). Each of the pair of first hook portions 22 is formed in an inverted L shape when viewed from the left-right direction, and protrudes downward from the lower surface of the lower wall portion 24D of the first recess 200. The pair of first hook portions 22 are arranged parallel to each other with a predetermined gap therebetween in the left-right direction (see FIG. 5).

[0042] Furthermore, a fitting portion 241 is provided on the front surface of the bottom portion 201. The fitting portion 241 is formed in the shape of a groove on the front surface of the bottom portion 201, extending from between the pair of first hook portions 22 to the lower end of the bottom portion 201 (see FIG. 5).

[0043] The frame 2 is attached to the front surface of the base 1. The frame 2 and the base 1 are fixed together by an appropriate method such as screw fastening.

[0044] (3-2) Door The door 3 has a front wall 30 facing the opening 21 of the box B1, and a peripheral wall 31 protruding from the periphery of the front wall 30 toward the box B1 (see FIGS. 4 and 7). The front wall 30 and the peripheral wall 31 are integrally formed from a self-extinguishing synthetic resin material such as polycarbonate resin.

[0045] The front wall 30 is a quadrilateral plate-like shape that is curved in an arc so as to protrude forward. Peripheral walls 31 protrude rearward from the periphery of the front wall 30. The peripheral walls 31 protruding from the top, bottom, left, and right ends of the front wall 30 may be referred to as an upper wall 31U, a lower wall 31D, a left wall 31L, and a right wall 31R.

[0046] The upper wall 31U is curved in an arc shape. Three sets of second bearing portions 33 are provided at the rear end of the upper wall 31U (see FIG. 7). These three sets of second bearing portions 33 correspond one-to-one to the three first bearing portions 25 of the frame 2, and together with the first bearing portions 25, rotatably support the rotation shaft.

[0047] The left wall 31L is formed in a trapezoidal shape with an oblique side curved in an arc shape, and protrudes rearward from the left end of the front wall 30. A rib 310 with its longitudinal direction extending in the front-to-rear direction protrudes rightward from the upper part of the inner surface (right side surface) of the left wall 31L (see FIG. 7).

[0048] The right wall 31R is formed in a trapezoidal shape with an arc-shaped oblique side, and protrudes rearward from the right end of the front wall 30. A rib 310, whose longitudinal direction is the front-to-rear direction, protrudes leftward from the upper part of the inner surface (left side surface) of the right wall 31R (see FIG. 7).

[0049] The lower wall 31D protrudes rearward from the lower end of the front wall 30. A locking piece 34 protrudes rearward from each rear end of the lower wall 31D at both left and right ends. An upward-protruding locking claw 340 is provided at the tip of each locking piece 34 (see FIG. 7). A second recess 311 is provided in the left-right center of the lower wall 31D. The second recess 311 is made up of a central portion of the lower wall 31D that is recessed upward in a semi-oval shape, and a lower end portion of the front wall 30 (hereinafter referred to as a cover portion 300) that is surrounded by the central portion of the semi-oval recessed lower wall 31D (see FIG. 7).

[0050] The door 3 has a second hook portion 32. The second hook portion 32 is provided on the rear surface of the cover portion 300 of the front wall 30 (see FIG. 7). The second hook portion 32 is formed in a rectangular shape with a semicircular tip (rear end), and protrudes rearward from the rear surface of the front wall 30 (rear surface of the cover portion 300) so that the direction of the plate thickness coincides with the left-right direction. A round hole 320 is formed in the tip portion (rear end portion) of the second hook portion 32 in the plate thickness direction (left-right direction).

[0051] (3-3) Inner lid The inner lid 4 is formed in a rectangular flat plate shape from a self-extinguishing synthetic resin material such as polycarbonate resin (see FIG. 4). The inner lid 4 is disposed within the opening 21 of the box B1 so as to cover the electrical device 5 from the front (see FIG. 2). The inner lid 4 is provided with a plurality of windows 40. These windows 40 face the first switch 51, the second switch 52, the lightning arrester 55, and the fuse holder 56. That is, the handles of the first switch 51 and the second switch 52 can be operated through the windows 40. The operating state of the lightning arrester 55 can be confirmed through the windows 40. Furthermore, the fuse in the fuse holder 56 can be replaced through the windows 40. A notch 41 is provided in the center of the lower end of the inner lid 4 in the left-right direction, and the first recess 200 of the box B1 fits into this notch 41.

[0052] (4) Installation procedure of the wiring device according to the embodiment Next, the installation procedure of the wiring device A1 will be described. However, the installation procedure described below is only an example, and the order of some steps can be changed.

[0053] The worker performing the installation work attaches the box B1, from which the mounting plate 58 has been removed, to the exterior wall of the house H1. At this time, the worker inserts the second trunk line X2, which has been pulled out from inside the house H1 through a hole that penetrates the exterior wall of the house H1, into one of the inlets 10 of the base 1 and pulls it into the box B1.

[0054] Next, with the door 3 open, the worker places the mounting plate 58, which was previously removed, inside the box B1 and attaches it to the base 1. At this time, a pair of ribs 310 provided on the inner surfaces of the left and right walls (left wall 24L and right wall 24R) of the box B1 come into contact with a pair of stopper pieces 240 provided on the peripheral wall 31 (left wall 31L and right wall 31R) of the door 3. As a result, the door 3 can be held at any open angle by the frictional force acting between the pair of ribs 310 and the pair of stopper pieces 240.

[0055] Thereafter, the worker electrically connects the second trunk line X2 drawn in from the inlet 10 to the screw terminal of the first terminal block 53. The worker also electrically connects the first trunk line X1 drawn in from the inlet provided in the lower plate 20D to the primary terminal 511 of the first switch 51. The worker also electrically connects the third trunk line X3 drawn in from another inlet 10 on the lower plate 20D to the screw terminal of the second terminal block 54. The worker also electrically connects the ground wire drawn in from the third inlet to the screw terminal of the second terminal block 54.

[0056] Next, the worker rotates the door 3 downward to close it. At this time, the worker engages the locking claws 340 at the tips of the pair of locking pieces 34 of the door 3 with the pair of locking portions 242 of the bottom wall portion 24D. This holds the door 3 in a position (closed position) that blocks the opening 21 of the box B1.

[0057] Furthermore, when the door 3 is held in the closed position, the second hook portion 32 of the door 3 is inserted between the pair of first hook portions 22 of the box B1 (see FIG. 6). At this time, the leading end (rear end) of the second hook portion 32 fits into a fitting portion 241 provided on the front surface of the bottom portion 201 of the box B1. As a result, the left-right movement of the second hook portion 32 is restricted.

[0058] Next, the worker inserts the latch 91 of the lock 9 (padlock) into the groove 220 (see FIG. 6) of the first hook portion 22 and the round hole 320 of the second hook portion 32, and then inserts the latch 91 into the lock body 90 to lock it. Thus, by locking the door 3 with the lock 9, it is possible to prevent the door 3 from being rotated from the closed position to the open position (see FIG. 2) unless the lock 9 is unlocked with a key.

[0059] The above steps complete the installation work of the wiring device A1.

[0060] (5) Effects of the Cabinet of the Present Embodiment When the door 3 of the cabinet C1 is locked with the lock 9 (locked state), a covering portion 300, which is a part of the front wall 30 of the door 3, covers part of the lock 9 (latch 91) when viewed from the front (see FIG. 1). Therefore, the cabinet C1 can have an improved appearance compared to conventional examples in which the lock is entirely exposed.

[0061] Here, the insertion direction of the latch 91 into the groove 220 of the first hooking portion 22 and the insertion direction of the latch 91 into the round hole 320 of the second hooking portion 32 are both parallel to the axial direction (left-right direction) of the rotation shaft of the door 3. In other words, when the first hooking portion 22 and the first bearing portion 25 are formed integrally with the frame 2 as a molded body of synthetic resin, the design of a mold for molding the frame 2 can be simplified by making the insertion direction of the latch 91 into the groove 220 of the first hooking portion 22 parallel to the axial direction of the rotation shaft of the door 3. Similarly, when the second hooking portion 32 and the second bearing portion 33 are formed integrally with the door 3 as a molded body of synthetic resin, the design of a mold for molding the door 3 can be simplified by making the insertion direction of the latch 91 into the round hole 320 of the second hooking portion 32 parallel to the axial direction of the rotation shaft of the door 3.

[0062] Furthermore, since the portion of the first hook portion 22 through which the latch 91 is inserted is not a hole but a groove 220, the design of the mold for molding the frame body 2 can be further simplified compared to when a hole is formed. However, it is also acceptable to form a hole in the first hook portion 22 and a groove in the second hook portion 32.

[0063] Furthermore, the cabinet C1 has a plurality (two) of first hook portions 22 provided on the box B1 (frame body 2), and a second hook portion 32 is disposed between two adjacent first hook portions 22 (see FIG. 6). This allows the cabinet C1 to improve the strength of the first hook portions 22 and the second hook portions 32 when the hasp 91 of the lock 9 is hooked.

[0064] Furthermore, a fitting portion 241 is provided on the bottom 201 of the box B1 (frame 2). The fitting portion 241 is located between the two first hook portions 22 on the front surface of the bottom 201. When the door 3 is held in the closed position, the leading end (rear end) of the second hook portion 32 of the door 3 fits into the fitting portion 241, thereby restricting left-right movement of the second hook portion 32. As a result, the cabinet C1 can improve the ease of insertion of the latch 91 into the round hole 320 of the second hook portion 32.

[0065] Incidentally, the cabinet C1 may have only one first hook portion 22 provided on the box B1 (frame 2), multiple second hook portions 32 provided on the door 3, and one first hook portion 22 disposed between two adjacent second hook portions 32. Even in this case, the strength of the first hook portion 22 and the second hook portion 32 of the cabinet C1 can be improved when the hasp 91 of the lock 9 is hooked. In this case, a fitting portion (groove) may be provided between two adjacent second hook portions 32 at the end portion (cover portion 300) on the rear surface of the door 3. Thus, when the door 3 of the cabinet C1 is held in the closed position, the tip (front end) of the first hook portion 22 of the box B1 fits into the fitting portion of the door 3, restricting left-right movement of the first hook portion 22. As a result, the cabinet C1 can improve the workability when hooking the latch 91 onto the first hook portion 22.

[0066] The above-described effects of the cabinet C1 can also be achieved by the wiring device A1 including the cabinet C1.

[0067] (6) Variations Next, several modified examples of the cabinet C1 according to the embodiment will be described. However, the basic configuration of the cabinet C1 of each modified example is the same as the basic configuration of the cabinet C1 according to the embodiment. Therefore, the same reference numerals are used to designate components that are common to the cabinet C1 according to the embodiment, and illustrations and descriptions thereof will be omitted as appropriate.

[0068] (6-1) Variation 1 The cabinet C1 of the first modification is characterized in that the cover part 301 covers the entire lock 9 when viewed from the front (see FIG. 10).

[0069] The covering portion 301 in the first modification includes the covering portion 300 in the embodiment and an auxiliary covering portion 302 that protrudes downward from the center in the left-right direction of the bottom wall 31D of the door 3. The auxiliary covering portion 302 is formed in the shape of a quadrilateral box (see FIGS. 10 and 11). It is preferable that the auxiliary covering portion 302 is formed integrally with the door 3 from a synthetic resin material.

[0070] Therefore, in the cabinet C1 of variant 1, the cover portion 301 provided on the door 3 covers the entire lock 9, so the appearance can be further improved compared to the cabinet C1 of the embodiment in which the cover portion 300 covers only a portion of the lock 9.

[0071] (6-2) Variation 2 The cabinet C1 of the second modification is characterized in that the box B1 (frame 2) is provided with a storage section 26 for storing the lock 9 in the locked state (see FIG. 12).

[0072] The storage section 26 is a recess provided in the center in the left-right direction of the lower plate 20D and the lower wall section 24D of the frame body 2. The storage section 26 is formed to a size that can accommodate most of the lock body 90 and latch 91 of the lock 9. The storage section 26 is connected to the bottom 201 of the first recess 200.

[0073] Here, a pair of support members 260 that support the lock 9 stored in the storage section 26 are provided on the left and right edges of the storage section 26 in the lower plate 20D. Each support member 260 is made of a synthetic resin material and is formed into a Z-shaped plate shape in a plan view in the longitudinal direction (front-rear direction). A shaft is provided on both longitudinal end faces (front end face and rear end face) of each support member 260. Each support member 260 is rotatably attached to the lower plate 20D by fitting the shafts provided on both longitudinal end faces into a pair of shaft holes provided in the lower plate 20D, respectively. More specifically, the pair of support members 260 can rotate between a first position (see FIG. 12) in which a portion of each support member 260 protrudes toward the storage section 26 from the left and right edges of the storage section 26 when viewed from below, and a second position in which each support member 260 does not protrude from the left and right edges of the storage section 26 when viewed from below.

[0074] In the cabinet C1 of Modification 2, when the lock 9 is pushed upward with the door 3 locked, the pair of support members 260 are pushed upward by the lock body 90 and rotate to the second position. Then, when the lock body 90 passes over the support members 260 and is accommodated in the storage section 26, the pair of support members 260 return from the second position to the first position. The cabinet C1 of Modification 2 can maintain the lock 9 accommodated in the storage section 26 by supporting the lock body 90 from below with the pair of support members 260 that have returned to the second position (see FIG. 12). Note that to remove the lock 9 from the storage section 26, the pair of support members 260 can be rotated from the second position to the first position while the lock body 90 is lifted up.

[0075] According to the cabinet C1 of the second modification, the lock 9 stored in the storage portion 26 cannot be seen from the front of the cabinet C1, which further improves the appearance of the cabinet.

[0076] In the cabinet C1 of Modification 2, the pair of support members may be made of synthetic rubber. The support members made of synthetic rubber are fixed to the lower plate 20D in a state in which portions of the support members protrude toward the storage section 26 from the edges on both the left and right sides of the storage section 26 when viewed from below.

[0077] Thus, when the lock 9 is pushed upward while the door 3 is locked, the pair of support members 260 are pushed upward by the lock body 90 and bend. Then, when the lock body 90 passes over the bent support members 260 and is accommodated in the storage section 26, the pair of support members 260 return to their original state. Then, the lock body 90 is supported from below by the pair of support members 260 that have returned to their original state, so that the lock 9 remains accommodated in the storage section 26. To remove the lock 9 from the storage section 26, the lock 9 can be pulled downward to bend the pair of support members 260.

[0078] (7) Summary A cabinet (C1) according to a first aspect of the present disclosure includes a box-shaped box (B1) having an opening (21) on its front surface, and a door (3) attached to the box (B1) to openably and closably close the opening (21). The door (3) is held on the box (B1) so as to be rotatable between a closed position that closes the opening (21) and an open position that opens the opening (21). The box (B1) has a first hook portion (22) on which a latch (91) of a lock (9) can be hooked. The door (3) has a second hook portion (32) on which the latch (91) can be hooked, and cover portions (300; 301) that cover at least a portion of the lock (9) when viewed from the front when the latch (91) is hooked on the first hook portion (22) and the second hook portion (32) to lock the door.

[0079] In the cabinet (C1) according to the first embodiment, the cover portion (300; 301) of the door (3) covers a part of the lock (9) (latch 91) when viewed from the front, thereby improving the appearance compared to the conventional example in which the lock is entirely exposed.

[0080] A cabinet (C1) according to a second aspect of the present disclosure can be realized in combination with the first aspect. In the cabinet (C1) according to the second aspect, it is preferable that the cover portion (301) covers the entire lock (9).

[0081] In the cabinet (C1) according to the second embodiment, the cover part (301) covers the entire lock (9), so that the appearance can be further improved.

[0082] A cabinet (C1) according to a third aspect of the present disclosure can be realized in combination with the first or second aspect. In the cabinet (C1) according to the third aspect, the box (B1) or the door (3) preferably has a storage section (26) for storing the lock (9) in a locked state.

[0083] In the cabinet (C1) according to the third embodiment, the lock (9) stored in the storage portion (26) cannot be seen from the front, so that the appearance can be further improved.

[0084] A cabinet (C1) according to a fourth aspect of the present disclosure can be realized by combining it with any of the first to third aspects. In the cabinet (C1) according to the fourth aspect, the first hook portion (22) and the second hook portion (32) each preferably have a hole (round hole 320) or a groove (220) through which the latch (91) is inserted. The insertion direction of the latch (91) into the hole or groove (220) is preferably parallel to the axial direction of the rotation shaft of the door (3).

[0085] In the cabinet (C1) according to the fourth aspect, when the box (B1) and the door (3) are formed of a synthetic resin molded body, the design of the molding die can be simplified.

[0086] A cabinet (C1) according to a fifth aspect of the present disclosure can be realized in combination with any one of aspects 1 to 4. In the cabinet (C1) according to the fifth aspect, it is preferable that at least one of the first hook portion (22) and the second hook portion (32) has a groove (220) through which the latch (91) is inserted.

[0087] In the cabinet (C1) according to the fifth aspect, when the box (B1) and the door (3) are formed of a synthetic resin molded body, the design of the mold for molding can be simplified.

[0088] A cabinet (C1) according to a sixth aspect of the present disclosure can be realized by combining it with any one of the first to fifth aspects. In the cabinet (C1) according to the sixth aspect, the box (B1) preferably has a plurality of first hook portions (22). The second hook portion (32) is preferably positionable between two adjacent first hook portions (22) among the plurality of first hook portions (22).

[0089] The cabinet (C1) according to the sixth aspect can improve the strength of the first hook portion (22) and the second hook portion (32) when the hasp (91) of the lock (9) is hooked.

[0090] A cabinet (C1) according to a seventh aspect of the present disclosure can be realized in combination with the sixth aspect. In the cabinet (C1) according to the seventh aspect, the box (B1) preferably has a fitting portion (241) between two adjacent first hook portions (22) into which a part of the second hook portion (32) fits.

[0091] In the cabinet (C1) according to the seventh aspect, when the door (3) is held in the closed position, a part of the second hook portion (32) of the door (3) fits into the fitting portion (241), thereby restricting movement of the second hook portion (32). As a result, the cabinet (C1) according to the seventh aspect can improve the workability when the latch (91) is hooked on the second hook portion (32).

[0092] A cabinet (C1) according to an eighth aspect of the present disclosure can be realized by combining it with any one of the first to fifth aspects. In the cabinet (C1) according to the eighth aspect, the door (3) preferably has a plurality of second hook portions (32). It is preferable that the first hook portion (22) be positionable between two adjacent second hook portions (32) among the plurality of second hook portions (32).

[0093] The cabinet (C1) according to the eighth aspect can improve the strength of the first hook portion (22) and the second hook portion (32) when the hasp (91) of the lock (9) is hooked.

[0094] A cabinet (C1) according to a ninth aspect of the present disclosure can be realized in combination with the eighth aspect. In the cabinet (C1) according to the ninth aspect, the door (3) preferably has a fitting portion between two adjacent second hook portions (32) into which a part of the first hook portion (22) fits.

[0095] In the cabinet (C1) according to the ninth aspect, when the door (3) is held in the closed position, a part of the first hook portion (22) of the box (B1) fits into the fitting portion, thereby restricting movement of the first hook portion (22). As a result, the cabinet (C1) according to the ninth aspect can improve the workability when the latch (91) is hooked on the first hook portion (22).

[0096] A wiring device (A1) according to a tenth aspect of the present disclosure includes any one of the first to ninth cabinets (C1) and an electrical device (5) housed in the cabinet (C1). The electrical device (5) includes at least a molded-case circuit breaker (a first switch 51 and a second switch 52).

[0097] The wiring device (A1) according to the tenth aspect has a cover portion (300; 301) on the door (3) that covers a part of the lock (9) (latch 91) when viewed from the front, thereby improving the appearance compared to the conventional example in which the lock is entirely exposed. [Explanation of symbols]

[0098] A1 Wiring device B1 Box C1 Cabinet 3 doors 5. Electrical Equipment 9 tablets 21 Opening 22 First hook 26 Storage section 32 Second hook 51 First switch (circuit breaker) 52 Second switch (circuit breaker) 91 stake 220 Groove 241 Fitting part 300 Cover 301 Cover 320 round hole (hole)

Claims

1. a box-shaped box having an opening on the front; a door attached to the box and closing the opening in an openable and closable manner; Equipped with the door is held on the box so as to be rotatable between a closed position that closes the opening and an open position that opens the opening; the box has a first hook portion on which a latch of a lock can be hooked; The door has a second hook portion on which the latch can be hooked, and a cover portion that covers the entire lock when viewed from the front when the latch is hooked on the first hook portion and the second hook portion and locked, The cover portion is formed to protrude downward from the door and not protrude forward of the door. cabinet.

2. The box or the door has a storage section that stores the lock in a locked state. The cabinet of claim 1.

3. The first hook portion and the second hook portion each have a hole or groove through which the latch is inserted, and the insertion direction of the latch into the hole or groove is parallel to the axial direction of the rotation axis of the door.

3. The cabinet according to claim 1 or 2.

4. At least one of the first hook portion and the second hook portion has a groove through which the latch is inserted. A cabinet according to any one of claims 1 to 3.

5. The box has a plurality of the first hook portions, The second hook portion can be arranged between two adjacent first hook portions among the plurality of first hook portions. A cabinet according to any one of claims 1 to 4.

6. The box has a fitting portion between two adjacent first hook portions into which a part of the second hook portion fits. The cabinet of claim 5.

7. The door has a plurality of the second hook portions, The first hook portion can be arranged between two adjacent second hook portions among the plurality of second hook portions. A cabinet according to any one of claims 1 to 4.

8. The door has a fitting portion between two adjacent second hook portions into which a part of the first hook portion fits. The cabinet of claim 7.

9. A box-shaped box having an opening on the front, a door attached to the box and closing the opening in an openable and closable manner; Equipped with the door is held on the box so as to be rotatable between a closed position that closes the opening and an open position that opens the opening; the box has a plurality of first hook portions on which a lock latch can be hooked; The door has a second hook portion on which the latch can be hooked, and a cover portion that covers at least a part of the lock when viewed from the front in a state in which the latch is hooked on the first hook portion and the second hook portion and locked, the second hook portion can be arranged between two adjacent first hook portions among the plurality of first hook portions, The box has a fitting portion between two adjacent first hook portions into which a part of the second hook portion fits. cabinet.

10. A box-shaped box having an opening on the front, a door attached to the box and closing the opening in an openable and closable manner; Equipped with the door is held on the box so as to be rotatable between a closed position that closes the opening and an open position that opens the opening; the box has a first hook portion on which a latch of a lock can be hooked; The door has a plurality of second hook portions on which the latch can be hooked, and a cover portion that covers at least a portion of the lock when viewed from the front in a state in which the latch is hooked on the first hook portions and the second hook portions and locked, the first hook portion can be arranged between two adjacent second hook portions among the plurality of second hook portions, The door has a fitting portion between two adjacent second hook portions into which a part of the first hook portion fits. cabinet.

11. A cabinet according to any one of claims 1 to 10, Electrical equipment housed in the cabinet; and The electrical equipment includes at least a molded case circuit breaker. Wiring device.

Citation Information

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