JP6914590B2 - Distribution board - Google Patents

Description

The present invention relates to a distribution board.

As described in Patent Document 1, in a distribution board having an opening formed in a cover portion, a front panel is engaged with an end portion of the opening portion of the cover portion, and a charging portion (terminal portion) of a breaker or a charging portion (terminal portion) or a breaker is provided. It is known to cover and protect the busbar.

Japanese Unexamined Patent Publication No. 2016-39755

By the way, when the cover part is simply sandwiched and fixed by the claws formed on the front panel, the front panel bends and falls off when the product is vibrated during transportation or when a worker touches it. There was a risk.

The inventor of this case tried to solve this problem by diligently examining this point. An object of the present invention is to provide a distribution board in which the front panel does not easily fall off from the cover portion.

In order to solve the above problems, the distribution board has a cover member having an opening on the front surface and has a front panel fixed to the end of the opening so as to cover the opening of the cover member. The cover member includes a main claw that abuts on the back surface side of the opening end portion of the cover member and a sub claw that abuts on the front surface side of the opening end portion of the cover member, and the cover member includes a main claw or a sub claw. A distribution board is provided with a groove for locking the opening, and the front and back ends of the opening are sandwiched between the main claw and the sub claw.

Further, it is preferable that the main claw and the sub claw are provided so as to be displaced in the left-right direction.

Further, it is preferable that the cover member is provided with a groove portion in which either the main claw or the sub claw is locked.

Further, it is preferable that the groove portions are provided with reinforcing portions at predetermined intervals.

Further, it is preferable that the main claws are locked between the convex portions formed on the back surface of the groove portion at predetermined intervals.

INDUSTRIAL APPLICABILITY According to the present invention, it is possible to provide a distribution board in which the front panel does not easily fall off from the cover portion.

It is a perspective view of the distribution board of an embodiment. However, the door is open. It is a perspective view seen from the front side of the front panel of embodiment. It is a perspective view seen from the rear side of the front panel of embodiment. It is a partially enlarged view of the upper part of the cover member of an embodiment. It is the figure which represented the state which the cover member and the front panel were locked. However, in the embodiment, since the main claw and the sub claw are provided so as to be displaced in the left-right direction, the main claw and the sub claw do not appear at the same time on the cross section orthogonal to the front panel. It is a front view of the distribution board of an embodiment. It is a perspective view of the distribution board of an embodiment. It is an exploded perspective view of the distribution board of an embodiment. However, the door is open. It is a perspective view of the case member of an embodiment. It is a perspective view which looked at the cover member from the back side. It is a perspective view of a body member. It is a perspective view which showed the back side of a door. It is the figure which showed the circumference of the guide part on the inner surface side. It is the figure which showed the circumference of the guide part on the outer surface side. It is the figure which showed the inner surface side guide part and the mounting member. It is the figure which showed the state which the mounting member penetrated the side frame. It is a perspective view of the internal unit which showed the state which one side of the charge protection cover was hooked on the support piece. It is a partial enlarged view around the lead bar connection terminal block. It is a partially enlarged view around the bus terminal block.

A mode for carrying out the invention is shown below. As can be seen from FIGS. 1 to 5, the distribution board 1 of the embodiment has a cover member 11 having an opening 12 on the front surface, and covers the opening 12 of the cover member 11. A front panel 13 fixed to the end of the opening 12 is provided. Further, in the distribution board 1, the front panel 13 has a main claw 91 that contacts the back surface side of the opening 12 end portion of the cover member 11 and a sub-claw 91 that contacts the front surface side of the opening 12 end portion of the cover member 11. It has a claw 92 and. Further, the cover member 11 is provided with a groove portion 93 for locking the main claw 91 or the sub claw 92, and sandwiches the front and back surfaces of the groove portion 93 formed at the end of the opening 12 by the main claw 91 and the sub claw 92. It has a structure to do. Therefore, it is possible to provide the distribution board 1 in which the front panel 13 does not easily fall off from the cover portion. In the present embodiment, the groove portion 93 is formed on the surface side of the cover member 11, and is formed so that the auxiliary claw 92 is engaged with the groove portion 93.

As can be seen from FIGS. 6 to 12, the distribution board 1 of the embodiment includes a body member 14 and a case member 15 having a cover member 11. A power distribution device is housed in the case member 15. Further, in the embodiment, the internal unit 16 provided with the power distribution device is fixed to the body member 14 located on the rear surface side.

The cover member 11 of the embodiment includes an opening 12. The front panel 13 is attached so as to cover the opening 12, and at this time, it is detachably attached to the end of the opening 12. The front panel 13 is provided with a display window 99 that exposes the handle of a power distribution device such as a switch of the internal unit 16 when the opening 12 is covered. Since the front panel 13 is removable, the front panel 13 having an appropriate shape can be selected according to the state of the internal unit 16. Therefore, it is possible to appropriately correspond to various internal units 16 while suppressing the types of the cover member 11 to be manufactured.

The cover member 11 of the embodiment includes a latch portion 98 used for fixing to the body member 14. Further, an operation unit 97 for operating the latch unit 98 is provided on the front surface side of the cover member 11. Further, the body member 14 is provided with a locking portion 96 that engages with the latch portion 98. The locking portion 96 is configured to protrude from the side frame 19 of the body member 14.

The cover member 11 is provided with a removable door 17 that can be opened and closed. The door 17 can cover the handle of the power distribution device exposed from the front panel 13 of the cover member 11. The distribution board 1 of the embodiment is provided with a push latch 100 so that the door 17 and the cover member 11 can be pushed to select a locked state or an unlocked state.

By the way, the distribution board 1 of the embodiment includes a mounting base 18 for fixing a power distribution device such as a branch breaker 82 and a measuring unit 83. The internal unit 16 is configured by fixing power distribution devices such as a main circuit breaker 81, a branch breaker 82, and a measuring unit 83 to the mounting base 18.

The main breaker 81 connected to the commercial power source located outside the distribution board 1 is connected to the bus bar 85 via the lead bar. The bus bar 85 is connected to power distribution devices such as a branch breaker 82 and a measuring unit 83, and supplies electric power to each. A lead bar connection terminal block 86 is provided to support and fix the bus bar 85 and the lead bar.

On the side opposite to the lead bar connection terminal block 86, a bus bar terminal block 87 that supports the open end of the bus bar 85 is provided. Since the bus bar terminal block 87 has a configuration in which the bus bar 85 is supported with the left and right sides of the bus bar 85 open, it is possible to connect the connection portion of the power distribution device from the longitudinal end of the bus bar 85. be. A charge protection cover 88 is provided on the front surface of the bus bar 85 so as not to touch the bus bar 85.

The center of the cover member 11 forms an opening 12 having an open structure. A plurality of front panels 13 for covering the power distribution device are attached to the opening 12. A main claw 91 projecting from the back surface side of the front panel 13 is provided at the upper and lower ends of the front panel 13. The main claw 91 is a portion located on the back surface side of the end portion of the opening 12 when the front panel 13 is attached to the cover member 11. Further, a groove portion 93 is provided in the left-right direction on the front surface side of the end portion of the opening portion 12 provided in the cover member 11, and the front panel 13 is provided with an auxiliary claw 92 that can be engaged with the groove portion 93. There is. The auxiliary claw 92 is provided with a portion that protrudes from the front surface side to the back surface side of the front panel 13. The end portion of the opening 12 of the cover member 11 is sandwiched between the secondary claw 92 and the main claw 91 formed so as to be displaced in the front-rear direction. More specifically, the front and back surfaces of the groove portion 93 are sandwiched between the main claw 91 and the sub claw 92. With such a configuration, the front panel 13 cannot be easily removed.

The sub claw 92 and the main claw 91 of the embodiment are provided at different positions in the left-right direction. By doing so, the portion where the holding between the main claws 91 is weak is covered with the secondary claw 92. If the front panel 13 is pinched at a position corresponding to the left-right direction, a force is required to remove the front panel 13, but if the main claw 91 and the sub-claw 92 are provided so as to be displaced in the left-right direction, After unlocking one claw, the other claw can be unlocked, facilitating the removal work.

The auxiliary claw 92 of the embodiment can engage with the groove portion 93 provided on the front surface side of the end portion of the opening portion 12 to prevent the cover member 11 from moving in the direction of falling off. Further, the groove portions 93 are provided with reinforcing portions 94 at predetermined intervals. The reinforcing portion 94 of the embodiment is a portion provided so as to divide the groove portions 93 at predetermined intervals, and has a form extending in the width direction of the groove portions 93. The reinforcing portion 94 can reinforce the groove portion 93, but the reinforcing portion 94 may be configured so that it can be used for positioning the auxiliary claw 92 or the like.

In the embodiment, a plurality of convex portions 95 are provided on the back surface side of the end portion of the opening 12. More specifically, by providing a concave-convex shape on the back surface of the groove 93, the convex portions 95 are provided at predetermined intervals. By locking the main claw 91 between the convex portions 95, it is possible to regulate not only the movement in the vertical direction but also the movement in the horizontal direction. Further, the convex portion 95 can also obtain the effect of reinforcing the end portion of the opening 12.

By the way, normally, a mounting screw portion 101 used for mounting on a wall surface is formed on the back surface of the distribution board 1, but a wall surface may be formed on the side surface side, or the mounting screw portion thereof may be formed. It may be used to form a wood base or the like. The distribution board 1 of the embodiment adopts the following configuration so that the distribution board 1 can be appropriately attached to the wall surface in such a form.

As shown in FIG. 13, in the embodiment, an inner surface side guide portion 71 capable of guiding the attachment position of the attachment member 75 such as a wood screw is provided on the inner side surface of the four corners of the body member 14. The inner surface side guide portion 71 of the embodiment is a groove-shaped recess extending in the insertion direction of the mounting member 75. This groove-shaped recess is formed by providing a thin-walled inner surface thin-walled portion 72 from the open end side of the body member 14.

On the other hand, as shown in FIG. 14, an outer surface side guide portion 73 capable of guiding the attachment position of the attachment member 75 such as a wood screw is provided on the outer surface side of the body member 14. The outer surface side guide portion 73 of the embodiment is a groove-shaped recess extending in the insertion direction of the mounting member. The groove-shaped recess is formed by providing a thin outer surface thin portion 74 from the open end side of the body member 14.

The inner thin-walled portion 72 and the outer thin-walled portion 74 have positions overlapping each other when viewed from the thickness direction of the body member 14. At this overlapping position, a part of the outer surface side guide portion 73 is located on the outer surface side of the side frame 19, and a part of the inner surface side guide portion 71 is located on the inner surface side. It is a part that can be easily penetrated. Therefore, as can be understood from FIGS. 15 and 16, a wood screw is inserted from the inner surface side of the body member 14, breaks through this overlapping position, is passed to the outside of the body member 14, and is attached to a wall surface or the like. Can be done. At this time, the inner surface side guide portion 71 can receive the countersunk portion of the screw. Further, since the outer surface thin-walled portion 74 is provided, it is possible to prevent the screw from spreading to the outside of the body member 14, and to fix the wood screw in a shape close to the vertical direction.

By the way, in the embodiment, the charge protection cover 88 is attached so as to cover the bus bar 85 attached to the internal unit 16. As shown in FIG. 17, such a charge protection cover 88 is provided with notches 89 on the upper and lower sides on the left and right end sides. The support piece that supports the charge protection cover 88 is integrally formed with the lead bar connection terminal block 86 for fixing the connection portion between the bus bar 85 and the lead bar, or the bus bar terminal block 87 formed on the other end side. It is formed integrally with the.

As shown in FIG. 18, the support piece 78 provided on the lead bar connection terminal block 86 is formed so as to extend in the lateral direction of the bus bar 85, and is configured inward so that the tips thereof face each other. ing. Further, as shown in FIG. 19, the support piece 79 provided on the bus terminal block 87 is formed so as to extend in the longitudinal direction of the bus bar 85, and the tip thereof is outside so as to be separated from the center of the bus bar 85. It is configured to be suitable for. With such a configuration, the notch 89 of the charge protection cover 88 is hooked on the support piece 79 facing the outside of the bus terminal block 87 to make the position fixed, and then the charge protection cover 88 is tilted down. The notch 89 of the charge protection cover 88 can be moved to a position where it can be locked with the support piece 78 facing the inside of the lead bar connection terminal block 86.

In the embodiment, since one of the support pieces 79 is directed to the outside, the charge protection cover 88 can be easily hooked. Further, since the other support piece 78 is directed inward, it can be easily locked by bending the charge protection cover 88. In the embodiment, the charge protection cover 88 is easily bent by forming a concave relief portion 77 between the two support pieces 78 provided on the lead bar connection terminal block 86. A regulation portion 80 is formed in the vicinity of the support piece 78 to prevent the charge protection cover 88 from coming into contact with the terminal screw 76. Further, a similar regulation portion 80 can be formed on the protective cover 90 of the lead bar.

Although one embodiment has been described above, the present invention is not limited to the above embodiment and can be in various modes. For example, the main claw and the sub claw can be provided so that the left and right positions coincide with each other.

In the embodiment, the number of main claws is three at the upper part and three at the lower part of the front panel, but the number is not limited to this. The number of auxiliary claws does not have to be the same as in the embodiment. These may be one or two or more.

1 Distribution board 11 Cover member 12 Opening 13 Front panel 91 Main claw 92 Sub claw 93 Groove 94 Reinforcement 95 Convex

Claims (4)

A distribution board having a cover member having an opening on the front surface and having a front panel fixed to the end of the opening so as to cover the opening of the cover member. The front panel is an opening of the cover member. A main claw that contacts the back surface side of the end portion and a sub claw that abuts the front surface side of the opening end portion of the cover member are provided, and either the main claw or the sub claw is locked to the cover member. A distribution board that has a groove to be used and holds the front and back of the opening end with the main claw and the sub claw. The distribution board according to claim 1, wherein the main claw and the sub claw are provided so as to be displaced in the left-right direction. The distribution board according to claim 1 or 2 , wherein reinforcing portions are provided in the grooves at predetermined intervals. The distribution board according to any one of claims 1 to 3, wherein the main claw is locked between the convex portions formed on the back surface of the groove portion at predetermined intervals.

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