JP4200297B2 - Breaker storage device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a breaker storage device for storing a breaker.
[0002]
[Prior art]
Generally, in a breaker storage device for storing a breaker, a breaker handle is protruded from the front of the box housing the breaker, or the breaker is stored in a box having an openable / closable door, and a main body cover is provided in the door. A structure in which the handle of the breaker protrudes from the front surface of the main body cover is employed (see, for example, Patent Document 1).
[0003]
[Patent Document 1]
JP-A-1-133505 (page 2, lower right column-page 3, upper left column, FIG. 3)
[0004]
[Problems to be solved by the invention]
By the way, in the breaker storage device in which the handle protrudes from the front surface of the box, there is a possibility that the handle is erroneously touched when the surface of the box is cleaned. Further, in the breaker storage device described in Patent Document 1, since the handle of the breaker is covered by the door, the handle is not accidentally touched, but the box is enlarged and the breaker is opened and closed unless the door is opened. There is a problem that the state cannot be confirmed.
[0005]
The present invention has been made in view of the above-mentioned reasons, and its purpose is to prevent erroneous operation due to erroneous touching of the handle while enabling easy confirmation of the open / closed state of the breaker. In addition, an object of the present invention is to provide a breaker storage device that can prevent dust and dust from entering the inside of the box.
[0006]
[Means for Solving the Problems]
According to the first aspect of the present invention, there is provided a box having a same number of window holes as the breaker for accommodating a breaker including a body having a protrusion formed on a front surface and having a handle protruding from a front end surface of the protrusion, and exposing the handle of the breaker. A breaker mounting part is provided inside the box for fixing the breaker so that the tip of the handle of the breaker is located inside the opening surface of the window hole, and projects backward from the entire circumference of the window hole. The box is provided with an enclosing wall that surrounds the protruding platform and has a tip that abuts against the front surface of the body of the breaker and reaches from the periphery of the window hole to the periphery of the handle in the body of the breaker. .
[0007]
According to this configuration, while the window hole for exposing the handle of the breaker is provided, the tip of the handle is retracted from the opening surface of the window hole, so the open / close state of the breaker is confirmed by visually checking the position of the handle. While being able to do so, the handle is not accidentally touched when the surface of the box is cleaned, and erroneous operation of the breaker can be prevented. Further, the handle can be operated through the window hole, and the handle can be easily operated when the handle is intentionally operated. In addition, by providing the box with a surrounding wall that extends from the peripheral part of the window hole to the peripheral part of the handle of the breaker body, the surrounding wall fills the gap between the breaker body and the window hole. Thus, it is possible to prevent foreign matters such as dust and dust from entering the box. That is, dust and dust stay only on the peripheral portion of the handle in the breaker body, and do not affect the charging portion inside the box.
[0008]
According to a second aspect of the present invention, in the first aspect of the invention, a transparent cover that is movable between a position covering the window hole and a position opening the window hole is attached to the box. Features.
[0009]
According to this configuration, by covering the window hole with the transparent cover, it is possible to visually recognize the position of the handle of the breaker and prevent dust and dust from entering the window hole. Further, since the cover is movable between the position covering the window hole and the position opening the window hole, when operating the handle of the breaker, the cover may be moved so as to open the window hole, Further, when the operation of the handle is unnecessary, it is possible to reliably prevent an erroneous operation by covering with a cover.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
As shown in FIG. 3, the box 1 used in this embodiment is formed of four members. That is, the box body 1 has a box body 11 that is installed in such a manner that the back surface is in contact with a construction surface such as a wall surface, and a part of the front surface of the box body 11 (lower part in FIG. 3) is a breaker front plate. 12, and the remaining portion (upper part in FIG. 3) of the front surface of the box body 1 is covered with the terminal front plate 13. In addition, an intermediate partition plate 14 is disposed at a portion covered with the terminal front plate 13.
[0011]
The box 1 will be described in more detail. The box body 11 has left and right side plates 22 projecting forward from both side edges of a rectangular back plate 21, and a bottom plate 23 projecting forward from the lower edge of the back plate 21 in FIG. 3. Further, a mounting piece 27 is provided on the upper edge of the back plate 21 in FIG. The upper portion of the side plates 22 in FIG. 3 has a smaller projecting dimension from the back plate 21 than the lower portion, and a step portion 24 is formed between the upper portion and the lower portion of the side plates 22. In the direction corresponding to the upper end portion and the lower end portion in FIG. 3 of the both side plates 22 and the stepped portion 24, four attachment projecting pieces 26 a to 26 d each having attachment holes 25 a to 25 d are formed in a direction perpendicular to the side plate 21. Projected. Further, attachment holes 25e and 25f are formed in the left and right ends of the bottom plate 23 and the attachment piece 27, respectively.
[0012]
The middle partition plate 14 is formed in a staircase shape so as to cover a portion straddling the step portion 24 and the attachment piece 27. That is, in the partition plate 14, the first piece 14 a along the step portion 24, the second piece 14 b substantially parallel to the front surface of the box body 11, and the third piece 14 c along the attachment piece 27 are integrally formed. Is formed. A terminal hole 15 for attaching the terminal block 3 (see FIG. 4) is formed in the second piece 14b of the middle partition plate 14. Insertion holes 16a, 16b, and 16f are formed in the middle partition plate 14 at portions corresponding to the attachment holes 25a and 25b provided in the attachment protrusions 26a and 26b and the attachment holes 25f provided in the attachment piece 27, respectively. . A pair of mounting holes 17a, which will be described later, are formed in the third piece 14c of the middle partition plate 14.
[0013]
On the other hand, the breaker front plate 12 extends along the bottom piece 12 a overlapping the outer surface of the bottom plate 23 of the box body 11, the rectangular main piece 12 b covering the lower front portion of the box body 11, and the step 24 of the box body 11. The inner piece 12c to be arranged is integrally formed with a U-shaped cross section. In the bottom piece 12a, insertion holes 16e are drilled in portions corresponding to the mounting holes 25e provided in the bottom plate 23, and further, in the four corners of the main piece 12b, portions corresponding to the mounting holes 25c and 25d provided in the mounting protrusions 26c and 26d. The insertion holes 16c and 16d are perforated. Further, both side portions of the inner piece 12c overlap with the mounting projection piece 26b, and an insertion hole 17b is drilled in a portion corresponding to the mounting hole 25b in the inner piece 12c. In the main piece 12b, a pair of mounting holes 17c are drilled at a portion between the two insertion holes 16c.
[0014]
Further, the terminal front plate 13 is coupled to the box body 11 so as to cover the front side of the middle partition plate 14. That is, the terminal front plate 13 includes a front piece 13a partially overlapping with the main piece 12b of the breaker front plate 12, a cover piece 13b partially overlapping with the third piece 14c of the partition plate 14, and the front piece 13a. And a pair of side pieces 13c extending rearward from the left and right side edges of the same. In the front piece 13a and the cover piece 13b, insertion holes 18a and 18c are drilled at portions corresponding to the mounting holes 17a and 17c, respectively.
[0015]
Therefore, by attaching the breaker front plate 12 to the box body 11 and screwing the mounting screws 19a (see FIG. 2) into the mounting holes 25c, 25d, and 25e through the insertion holes 16c, 16d, and 16e, A breaker front plate 12 is fixed to the box body 11. Further, the intermediate partition plate 14 is attached to the box body 11, and the mounting screws 19b (see FIG. 4) are screwed into the mounting holes 25a, 25b, and 25f through the insertion holes 16a, 16b, and 16f, respectively. An intermediate partition plate 14 is fixed to 11. After that, the terminal front plate 14 is attached to the box body 11, and through the insertion holes 18a and 18c, the mounting screws 19c (see FIG. 2) are respectively attached to the mounting holes 17a of the partition plate 14 and the mounting holes 17c of the breaker front plate 12. The terminal front plate 14 is coupled to the box body by screwing into the box body. The box body 11, the bottom piece 12 a of the breaker front plate 12, and the cover piece 13 b of the terminal front plate 13 are respectively formed with wire introduction openings 11 d, 12 d, 13 d for introducing external wires into the box body 1. The
[0016]
By the way, a breaker mounting portion 28 having a plurality of bosses 28 a is formed on the inner peripheral surface of the back plate 21 of the box body 11. As shown in FIG. 1, the breaker 2 is fixed to the box body 11 using fixing screws 31 that are screwed into a plurality of bosses 28 a provided in the breaker mounting portion 28. In the box 1, the depth dimension (the dimension in the front-rear direction) of the portion corresponding to the breaker front plate 12 is set larger than the height dimension of the breaker 2, and the breaker 2 is fixed to the breaker mounting portion 28. The depth dimension is set so that the tip of the handle 32 of the breaker 2 does not protrude from the front surface of the breaker front plate 12. The breaker front plate 12 is formed with a window hole 4 having a rectangular shape that exposes the handle 32 at a portion corresponding to the handle 32 of the breaker 2. The dimension of the window hole 4 is set to such an extent that the handle 32 can be operated.
[0017]
In the present embodiment, two breakers 2 can be built in the box 1, and two window holes 4 are formed in the breaker front plate 12 corresponding to each breaker 2. As shown in FIG. 1 and FIG. 3, a surrounding wall 5 protrudes rearward from the periphery of the window hole 4 over the entire periphery. The surrounding wall 5 has a size that reaches the periphery of the handle 32 in the body 33 of the breaker 2. That is, in the illustrated example, a projecting base 34 is formed on the front surface of the body 33, and the breaker 2 having a shape in which the handle 32 projects from the front end surface of the projecting base 34 is used, and the surrounding wall 5 surrounds the projecting base 34. Is formed. Further, the front end of the surrounding wall 5 comes into contact with the front surface of the body 33 of the breaker 2.
[0018]
With the structure described above, the tip of the handle 32 of the breaker 2 is located inside the box 1 with respect to the opening surface of the window hole 4, and the tip of the surrounding wall 5 protruding from the peripheral portion of the window hole 4 is the device of the breaker 2. The circumference of the handle 32 in the body 33 is reached. That is, since the tip of the handle 32 is retracted from the opening surface of the window hole 4, the handle 32 of the breaker 2 can be exposed from the window hole 4 and the open / closed state of the breaker 2 can be confirmed by the position of the handle 32. However, the handle 32 is not accidentally touched when the surface of the box 1 is cleaned. Moreover, since the surrounding wall 5 surrounds the peripheral portion of the handle 32, the gap between the body 32 of the breaker 2 and the window hole 4 is filled with the surrounding wall 5, and foreign matters such as dust and dust are collected. Intrusion into the box 1 can be prevented.
[0019]
A cover 6 made of a rectangular transparent plate is disposed at a portion of the breaker front plate 12 that straddles the two window holes 5. The cover 6 is disposed so as to overlap the front surface of the breaker front plate 12, and is fixed to the breaker front plate 12 by a pair of holding screws 35 provided near both ends of one diagonal line. In the cover 6, a U-shaped cutout 7 is formed at a portion corresponding to one holding screw 35, and the holding screw 35 can be freely inserted and removed through the cutout 7. That is, in a state where both the holding screws 35 are loosened, the cover 6 can be rotated around the other holding screw 35, and the cover 6 covers the both window holes 4 and opens the both window holes 4. Can move freely between. Therefore, if the handle 32 of the breaker 2 is operated with the window hole 4 opened, the cover 6 is rotated to cover the window hole 4, and then the holding screw 35 is tightened to fix the cover 6, the window hole 4 is opened. It can be blocked by the cover 6 to prevent dust and dust from entering the window hole 4, and the handle 2 can be prevented from being erroneously operated during cleaning. Moreover, since the cover 6 is transparent, the position of the handle 32 of the breaker 2 can be visually confirmed, and the open / close state of the breaker 2 can be confirmed while the window hole 4 is covered by the cover 6. Here, it is preferable to use a knurled screw so that the holding screw 35 can be pinched with a finger and operated.
[0020]
【The invention's effect】
According to the configuration of the present invention, while the window hole for exposing the handle of the breaker is provided, the tip of the handle is retracted from the opening surface of the window hole. While being able to confirm, there is an advantage that the handle is not accidentally touched when cleaning the surface of the box and the breaker can be prevented from being erroneously operated. In addition, by providing the box with a surrounding wall that extends from the peripheral part of the window hole to the peripheral part of the handle of the breaker body, the surrounding wall fills the gap between the breaker body and the window hole. Thus, it is possible to prevent foreign matters such as dust and dust from entering the box.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view showing an embodiment of the present invention.
FIG. 2A is a front view of the same, and FIG. 2B is a bottom view of the same.
FIG. 3 is an exploded perspective view of a box used for the above.
FIG. 4 is a partially broken front view of the above.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Box body 2 Breaker 4 Window hole 5 Enclosure wall 6 Cover 28 Breaker attaching part 32 Handle 33 Body

Claims (2)

A breaker handle is provided that houses a breaker with a container with a protruding body formed on the front surface and a handle protruding from the tip surface of the protruding table, and a box having the same number of window holes as the breaker to expose the handle of the breaker. A breaker mounting part that fixes the breaker so that its tip is located on the inner side of the opening surface of the window hole is provided inside the box, and protrudes rearward from the entire periphery of the window hole to surround the protrusion. The breaker storage device is characterized in that the box body includes an enclosing wall whose tip abuts against the front surface of the body of the breaker and reaches from the periphery of the window hole to the periphery of the handle in the body of the breaker.   2. The breaker storage device according to claim 1, wherein a transparent cover which is movable between a position covering the window hole and a position opening the window hole is attached to the box.

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