JPH09322332A - Distribution board - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a distribution board attaining easy adjustment of the positional relation between an intermediate cover and breakers and facilitating fitting/removal of the intermediate cover. SOLUTION: A box body 1 one side of which is opened is equipped with and holds breakers such as a master breaker 5 and a branch breaker 6. An intermediate cover 3 has window holes 31 through which the respective operation handles 5a and 6a of the breakers 5 and 6 are inserted and it is so fitted to the box body 1 that it can be opened and closed, by using a pivotally fitting member 7 and a support member 8. By putting a first hooking part 7b of the pivotally fitting member 7 and a second hooking part 8b of the support member 8 on the edge 1c of the opening of the box body 1 respectively, the intermediate cover 3 is so disposed that it can be shifted in the direction of the short side of the box body 1. Positional alignment of the intermediate cover 3 with the breakers 5 and 6 is made so that the operation handles 5a and 6a be inserted through the window holes 31, and the pivotally fitting member 1 and the support member 8 are held and fitted between the edge 1c of the opening of the box body 1 and a frame body 2. Thereby a shift of the intermediate cover 3 is regulated.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a distribution board in which an inner lid having a window through which an operation handle of a breaker is inserted is openably and closably mounted in a box.

[0002]

2. Description of the Related Art Conventionally, as a distribution board for mounting a breaker, a box body having a bottom piece and one side open on four side surfaces and a window hole through which a breaker operation handle is inserted can be freely opened and closed. In some cases, an inner lid that is disposed in the box body and closes the opening of the box body and an outer lid that is openably and closably disposed in the box body and closes the inner lid.

As shown in FIG. 6, a distribution board of this type has a box body 1 with one opening, and a breaker 14 installed in the box body 1.
And a mounting plate 10 on which the breaker 14 is arranged, a window hole 31 through which the operation handle 14a of the breaker 14 is inserted, and the mounting plate 10 is arranged so as to be openable and closable using the hinge 9 and the box 1 And an outer lid 4 which is provided at the opening edge 1c of the box body 1 so as to be openable and closable and closes the inner lid 3.

However, in the above distribution board, the box 1
When performing the electric wiring to the breaker 14 installed in the above, there was a problem that the inner lid 3 was an obstacle and the wiring work was troublesome. Therefore, in order to facilitate wiring work, the inner lid 3
Wiring work may be performed after removing the inner lid 3. However, in order to remove the inner lid 3, it is necessary to remove the hinge 9 from the mounting plate 10, which makes it difficult to remove the hinge 9. There was also the problem that it could not be removed.

Therefore, for example, as shown in Japanese Utility Model Laid-Open No. 6-77403, a first insertion hole for a bearing is provided on the lower end side of the inner lid, a second shaft is provided on the upper end side of the inner lid, and a box is provided. A second shaft for the bearing is provided on the lower end side of the opening mouth edge of the body, and a first shaft is inserted into the first insertion hole of the inner lid, and a second shaft is inserted on the upper end side of the opening mouth edge. In some cases, holes are provided, and the first shaft and the first insertion hole are inserted, and the second shaft and the second insertion hole are inserted, respectively, and the inner lid is rotatably and axially supported by the box body. . In this distribution board, for example, by removing the second shaft provided on the lower end side of the opening rim, the inner lid can be easily removed from the box, and the workability of the wiring work inside the box can be improved. I was able to improve.

[0006]

In the distribution board having the above-mentioned structure, the inner cover can be easily attached / removed, but the inner cover has to be inserted through the window hole provided in the inner cover. And the breaker had to be accurately positioned. However, the positional relationship between the inner lid and the breaker may be displaced due to the warp of the box body and the operation handle of the breaker may not be inserted through the window hole.
There is a problem that it is difficult to align the window hole provided in the inner lid with the operation handle of the breaker.

The present invention has been made in view of the above problems, and an object of the invention of claim 1 is that the wiring work to the breaker disposed inside can be easily performed and the breaker provided on the inner lid is provided. Another object of the present invention is to provide a distribution board that facilitates alignment between the window hole and the operation handle of the breaker. It is an object of the invention of claim 2 to provide a distribution board according to the invention of claim 1, in which attachment / detachment of the inner lid is further facilitated.

An object of the invention of claim 3 is to provide a distribution board which looks good in the invention of claim 2.

[0009]

In order to achieve the above object, a box body having a one-sided opening for accommodating a breaker and a window hole for inserting an operation handle of the breaker is provided. The inner lid that is openably and closably disposed on the opening side of the box that closes the opening of the box body while the operation handle is inserted through the window hole, and the outer lid that closes the inner lid is openably and closably opened. A pivot member that includes a frame body that is disposed at the rim, and that pivotally mounts the inner lid on one end side so that the inner lid can be opened and closed, and a support member that supports the inner lid on the other end side so that the inner lid can be opened and closed. Is movably disposed between the opening edge of the box and the frame, and the movement of the pivot member and the support member is restricted with the frame attached to the box. The pivot member and the support member can be moved to a desired position before the movement of the member and the support member is restricted. Moreover, since the inner lid is not attached to the attachment plate using a member such as a hinge, the inner lid can be easily attached / detached when wiring to the breaker.

According to a second aspect of the present invention, in the first aspect of the present invention, the support member is provided with an inner lid fixing portion extending in a direction perpendicular to the surface of the inner lid, and the inner lid fixing portion is provided with an opening hole. Since the inner lid is provided with a locking portion that can be inserted into and retracted from the opening hole, the inner lid can be attached / removed without advancing / retracting the frame by attaching / removing the frame. You can

According to a third aspect of the invention, in the second aspect of the invention, the inner lid fixing portion is disposed on the back surface side of the inner lid with the inner lid closed, and the inner lid fixing portion and the locking portion are provided. Since the part is hidden behind the inner lid, the appearance can be improved.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described with reference to the drawings. (Embodiment 1) The distribution board of the present embodiment is shown in FIGS.
As shown in (a) to (c), a box body 1 which is formed by bending an iron plate or the like and has one surface opened by a bottom side 1a and side edges 1b standing upright from four circumferences of the bottom side 1a, and a box body 1 The main body breaker 5 and the branch breaker 6 housed inside, and the window holes 31 through which the operation handles 5a, 6a of the main breaker 5 and the branch breaker 6 are inserted respectively, and the box body 1 is openably and closably arranged. An inner lid 3 that closes the opening of the box body 1 with the operation handles 5a and 6a inserted into the window holes 31;
The frame body 2 arranged at the opening mouth edge 1c of the box body 1, the outer lid 4 arranged to be openable and closable on the frame body 2 to close the inner lid 3, the opening mouth edge 1c of the box body 1 and the frame body 2 It is sandwiched between and and the inner lid 3
Is provided with a pivotal member 7 and a support member 8.

FIG. 3 shows a state in which both the inner lid 3 and the outer lid 4 are opened, and FIG. 4 shows a state in which the inner lid 3 is closed and the outer lid 4 is opened. The opening can be closed. Further, with the inner lid 3 closed, the operation handles 5a, 6 of the breakers 5, 6 are opened from the window holes 31 of the inner lid 3.
Since a is exposed, the operator can operate the operation handles 5a and 6a even if the inner lid 3 is closed by opening the outer lid 4.

Here, as shown in FIGS. 1 and 2A to 2C, the opening mouth edge 1c of the box body 1 is formed by further bending the end portion of the side edge 1b. It extends in a direction parallel to the side edge 1b. A first insertion hole 32, through which the first shaft 7a provided at one end of the pivot member 7 is inserted, is formed on the lower end side of the inner lid 3, and is supported on the upper end side of the inner lid 3. A second shaft 33 is formed which is inserted into a second insertion hole 8a provided at one end of the member 8. By the way, a first shaft 7 for pivotally supporting the inner lid 3 is provided at one end of the pivot member 7.
a is formed, and the other end is bent in a substantially U shape to form a first hooking portion 7b for hooking on the opening lip 1c, and the first hooking portion 7b is opened. By being locked on the lip 1c, the pivot member 7 is movably arranged on the opening lip 1c. On the other hand, one end of the support member 8 has an inner lid 3
Is provided with a second insertion hole 8a for rotatably rotatably supporting the other end, and the other end is bent into a substantially U shape to form a second hooking portion 8b for hooking on the opening mouth edge 1c. By engaging the second hooking portion 8b with the opening mouth edge 1c,
Similar to the pivot member 7, the support member 8 is movably arranged at the opening edge 1c.

To arrange the inner lid 3 in the box body 1, first, the first shaft 7a and the first insertion hole 32, and the second shaft 33 and the second insertion hole 8a are inserted respectively. The first hook portion 7b of the pivot member 7 and the second hook portion 8 of the support member 8 in the closed state.
b is hooked on the opening rim 1c. In this state, the pivot member 7 and the support member 8 are movably arranged in the short side direction of the box body 1, so that the position of the inner lid 3 can be adjusted in the short side direction of the box body 1. . Then, after positioning the inner lid 3 so that the operation handles 5a, 6a of the breakers 5, 6 are inserted into the window holes 31 of the inner lid 3, the screw 11 is attached to the frame body 2.
The frame body 2 is screwed into the box body 1 by inserting the frame body 2 into the screw body 13 by inserting the frame body 2 into the box body 1 by inserting the frame body 2 into the box body 1 by inserting the frame body 2 into the box body 1 by inserting the frame body 2 into the box body 1. 2 and the opening edge 1c of the box body 1 so as to be sandwiched, and the pivoting member 7
The movement of the support member 8 is restricted.

On the other hand, to remove the inner lid 3 from the box body 1,
First, the screw 11 is removed, and the frame body 2 is removed from the box body 1. Next, the inner lid 3 can be easily removed from the box body 1 by removing the pivotally attaching member 7 and the supporting member 8 from the opening lip 1c. As described above, the positions of the pivot member 7 and the support member 8 can be adjusted in the short side direction of the box body 1, so that each of the breakers 5 and 6 can be adjusted in accordance with the positions of the breakers 5, 6 and the warp of the box body 1. Operation handles 5a and 6a of breakers 5 and 6
The position of the inner lid 3 can be easily adjusted so that the respective ones are inserted into the window holes 31 of the inner lid 3. Further, since the inner lid 3 can be easily attached / removed, by removing the inner lid 3 during the wiring work, the workability of the wiring work to the breakers 5 and 6 can be improved.

In this embodiment, the opening edge 1 of the box 1 is
Although the movement of the pivoting member 7 and the supporting member 8 is restricted by sandwiching the pivoting member 7 and the supporting member 8 between c and the frame body 2, the pivoting member 7 and the supporting member 8 are restrained by a method other than the above. It goes without saying that the movement of the support member 8 may be restricted. Further, although the frame body 2 is screwed to the box body 1 with the screws 11, it goes without saying that the frame body 2 may be attached to the box body 1 by using a member other than the screws 11. (Second Embodiment) In the present embodiment, as shown in FIG. 5, in the distribution board of the first embodiment, one end of the support member 8 is bent in a substantially U-shape to be orthogonal to the surface of the inner lid 3. An inner lid fixing portion 8c extending to the inner lid fixing portion 8c is provided, an opening hole 8d is provided in the inner lid fixing portion 8c, and a locking portion 34 and a locking portion 34 that are inserted into the opening hole 8d of the inner lid 3 are moved forward and backward. A locking release lever 35 that unlocks the locking between the locking portion 34 and the opening hole 8d is provided. Here, the locking portion 34 is biased in the direction A in the drawing by a spring or the like, and the locking portion 34 is rotatably supported by the opening hole 8d,
The inner lid 3 is arranged in the box body 1 so as to be openable and closable.

In order to attach the inner lid 3 to the box body 1, first, as in the first embodiment, first the first shaft 7a and the first insertion hole 32,
With the locking portion 34 and the opening hole 8d inserted respectively, the first hooking portion 7b of the pivot member 7 and the second hooking portion 8b of the support member 8 are connected to the opening edge of the box body 1. Hang on 1c respectively. In this state, the inner lid 3 is arranged in the box body 1 so as to be movable in the short side direction of the box body 1. Then, after the inner lid 3 is positioned so that the operation handles 5a, 6a of the breakers 5, 6 are inserted into the window holes 31 of the inner lid 3, the frame body 2 is attached to the box body 1 and the frame body 2 The movement of the pivot member 7 and the support member 8 is restricted by the opening edge 1c of the box 1.

On the other hand, to remove the inner lid 3 from the box body 1,
When the lock release lever 35 is operated in the direction of B in the figure to move to the position indicated by the broken line, the lock portion 34 moves in conjunction with the lock release lever 35 to the position indicated by the broken line, and the lock portion 34 and the opening hole. 8d
The engagement with and is released, and the inner lid 3 can be easily removed from the box body 1. Further, in order to reattach the inner lid 3 to the box body 1 after the inner lid 3 is once removed from the box body 1, first, the first insertion hole 32 on the lower end side of the inner lid 3 is attached to the pivot member 7. The shaft 7a of No. 1 is inserted. Then, the lock release lever 35 is operated in the direction B in the drawing to move the lock portion 34 to the position of the broken line, and then the inner lid 3 is fitted into the box body 1 to move the lock release lever 35 to the position A in the drawing. By returning to the direction, the locking portion 34 is moved to the solid line position, and the locking portion 34 is inserted into the opening hole 8d, the inner lid 3 is arranged in the box body 1 so as to be openable and closable.

By the way, when the inner lid 3 is closed, the inner lid fixing portion 8c is disposed on the back side of the inner lid 3, and the inner lid fixing portion 8c and the locking portion 34 are hidden by the inner lid 3. Since it is not visible, the distribution panel looks good. As mentioned above,
Once the inner lid 3 is once attached to the box body 1, the inner lid 3 can be easily attached / removed by operating the locking release lever 35 without attaching / removing the frame body 2. Since it is not necessary to position the inner lid 3 every time the inner lid 3 is attached, the work of attaching the inner lid 3 becomes easier.

The structure of the distribution board other than the support member 8, the locking portion 34, and the locking release lever 35 is the same as that of the first embodiment, and the description thereof will be omitted.

[0022]

As described above, the invention according to claim 1 is provided with a box body having a one-sided opening for accommodating the breaker and a window hole through which the operation handle of the breaker is inserted, and is openable and closable on the opening side of the box body. An inner lid that closes the opening of the box body and an outer lid that closes the inner lid while the operation handle is inserted through the window hole and an outer lid that is openable and closable are provided at the opening edge of the box body. An opening of the box body, which includes a frame member, and a pivot member that pivotally mounts the inner lid on one end side of the inner lid so that the inner lid can be opened and closed, and a support member that supports the inner lid on the other end side of the inner lid so that the inner lid can be opened and closed. The movable member is movably arranged between the rim and the frame body, and the movement of the pivot member and the support member is restricted with the frame member attached to the box body. The movement of the pivot member and the support member is restricted. Since the pivoting member and the supporting member can be moved to a desired position before starting, the window frame and breaker provided on the inner lid There is an effect that facilitates the alignment of the work handle. Further, since the inner lid is not attached to the mounting plate using a member such as a hinge, the inner lid can be easily attached / removed when wiring to the breaker, and the workability of wiring work is improved. is there.

According to a second aspect of the present invention, the support member is provided with an inner lid fixing portion extending in a direction orthogonal to the surface of the inner lid, an opening hole is provided in the inner lid fixing portion, and the inner lid is moved forward and backward to the opening hole. A locking part that can be freely inserted is provided, and by moving the locking part back and forth, there is no need to attach / remove the frame body.
Since the inner lid can be attached / removed, it is not necessary to position the inner lid every time, and there is an effect that the inner lid can be attached / removed more easily.

According to a third aspect of the present invention, the inner lid fixing portion is disposed on the back surface side of the inner lid with the inner lid closed, and the inner lid fixing portion and the locking portion are on the back surface side of the inner lid. Because it hides in, it has the effect of improving the appearance.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a distribution board according to a first embodiment.

FIG. 2 shows the above distribution board, (a) is a side sectional view,
(B) is a principal part sectional view, (c) is a principal part sectional view of another site.

FIG. 3 is an external view showing a mounting state inside the distribution board of the above.

FIG. 4 is an external perspective view of the above distribution board.

FIG. 5 is a cross-sectional view of main parts showing a distribution board according to a second embodiment.

FIG. 6 is a cross-sectional view showing a conventional distribution board.

[Explanation of symbols]

 1 Box 2 Frame 3 Inner Lid 31 Window Hole 5 Main Breaker 6 Branch Breaker 5a, 6a Operation Handle 7 Pivoting Member 7b First Hooking Part 8 Supporting Member 8b Second Hooking Part

Claims (3)

[Claims] 1. A box body having a one-sided opening for accommodating a breaker, and a window hole through which an operation handle of the breaker is inserted, and the operation handle is provided at the opening side so as to be openable and closable. An inner lid that closes the opening of the box body in a state of being inserted into the box body; and an outer lid that closes the inner lid so as to be openable and closable, and a frame body that is arranged at the opening edge of the box body. An opening of the box body, a pivoting member that pivotally mounts the inner lid openably and closably on one end side of the inner lid, and a support member that supports the inner lid openably and closably on the other end side of the inner lid. It is arranged movably between the rim and the frame body, and the movement of the pivot member and the support member is restricted with the frame body attached to the box body. Electric board. 2. The support member is provided with an inner lid fixing portion extending in a direction orthogonal to the surface of the inner lid, an opening hole is provided in the inner lid fixing portion, and the inner lid is moved forward and backward to the opening hole. The distribution board according to claim 1, further comprising a locking portion that is freely inserted. 3. The distribution board according to claim 2, wherein the inner lid fixing portion is arranged on the back surface side of the inner lid in a state where the inner lid is closed.