JP3591276B2 - Switchboard - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a distribution board provided with a free space for storing other items in a box housing a main switch and a branch switch.
[0002]
[Prior art]
In a conventional distribution board, as shown in JP-A-7-298427, an inner unit such as a main switch or a branch switch is attached to a frame, and this frame is attached to a side plate of a lower box. ing.
By the way, in recent years, BS and other relay terminals and weak electrical equipment have been housed in the distribution board, and in order to cope with this, a wooden board is attached to the above-described distribution board to make free space. It is formed and stored in this free space.
[0003]
[Problems to be solved by the invention]
However, in the above-mentioned distribution board, a free space is formed in a lower box that is opened and closed by a single door, and a BS and other relay terminals and weak electric devices are stored in the free space. Therefore, when inspecting the free space, it is necessary to open a large single door, and there is a problem that inspection of BS and other relay terminals arranged in the free space and operation of light electric equipment are troublesome. .
[0004]
It is also conceivable to provide a dedicated door for the free space, but in this case, it is difficult to align the dedicated door with the BS and other relay terminals and weak electric devices arranged in the free space. However, there is a problem that it is difficult to align the dedicated door with the main door.
SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a distribution board that facilitates inspection of BS and other relay terminals and operation of low-power equipment provided in a free space.
[0005]
[Means for Solving the Problems]
The distribution board according to claim 1, wherein a lower box having a bottom plate and a pair of opposed side plates, a first pair of bridge members bridged between the pair of side plates, and a first pair of bridge members. , A second pair of bridge members bridged between the pair of side plates so as to line up with the inner unit, and a free space attached between the second pair of bridge members Mounting member, a first door attached to the first pair of bridge members to cover the inner unit in an openable and closable manner, and the free space attachment attached to the second pair of bridge members. A second door that covers a member so as to be openable and closable, and connects between the first pair of bridge members and the adjacent bridge members of the second pair of bridge members to connect the first door and the second door. And a positioning member for keeping the interval between the door and the door at a predetermined interval.
[0006]
According to the switchboard of claim 1, the door for the free space is separate from the door for operating the internal unit, so that only a single large door is used to operate only the devices provided in the free space. This eliminates the need to open the device and makes it easier to operate the devices provided in the free space. In addition, since each door is attached to the bridge member bridged by the pair of side plates of the lower box, the positioning of the inner unit and the free space mounting member with each door can be easily performed. Further, the distance between the two doors can be always kept constant by the positioning member, and the positioning of the first door and the second door can be facilitated.
[0007]
The switchboard according to claim 2, wherein at least one of the bridge members adjacent to the first pair of bridge members and the second pair of bridge members is provided with a screw hole, and a screw screwed into the screw hole is provided. An insertion hole is formed at one end of the positioning member, and a hook piece is provided at the other end of the positioning member so as to hook the other end of the bridge member.
According to the distribution board according to the second aspect, after the positioning member is attached to one of the bridge members by screws, the hook piece of the positioning member is hooked to the other bridge member to maintain an interval between adjacent bridge members. This makes it easy to remove the inner unit, the free space mounting member, and the bridge member. When the screw holes are provided on both of the bridge members, the positioning member can be screwed to any arbitrary bridge member.
[0008]
According to a third aspect of the present invention, in the power distribution panel according to the first or second aspect, both ends of each of the adjacent bridge members between the first pair of bridge members and the second pair of bridge members are the side plates. The upper part is attached to the upper part, and the inner side of the lower box is formed in a step-like shape with the inner side as the lower part, and the positioning member is attached so as to abut on the continuous positions of the upper part and the lower part. Is what it is.
[0009]
According to the distribution board of the third aspect, in addition to the same effects as those of the first or second aspect, the inner unit and the mounting member for free space are not disposed at positions shifted laterally. , Stable connection.
According to a fourth aspect of the present invention, in the power distribution panel according to the third aspect, the first door and the second door pivotally connect the door body and the door body so that the door body can be opened and closed. The positioning member is provided with a door hooking piece, and at least one of the first door and the second door is provided with a hooked portion hooked on the door hooking piece. It is provided.
[0010]
According to the distribution board described in claim 4, in addition to the same effect as in claim 3, one of the door frames can be hooked on the door hooking piece, so that the door mounting operation can be simplified.
According to a fifth aspect of the present invention, in the power distribution panel according to the third aspect, the first door and the second door pivotally connect the door body to the door body so that the door body can be opened and closed. The positioning member is provided with a door hooking piece, and enters the back side of the other door frame from one of the first and second door frames. The edge piece is extended, and a hooked portion to be hooked on the door hook piece is provided on the edge piece.
[0011]
According to the distribution board described in claim 5, in addition to the same effect as in claim 4, the gap between the two door frames can be closed, and the appearance is improved.
[0012]
BEST MODE FOR CARRYING OUT THE INVENTION
One embodiment of the present invention will be described with reference to FIGS. That is, the distribution board includes a lower box 1, a first pair of bridge members 2, 3, an inner unit 4, a second pair of bridge members 5, 6, a free space mounting member 7, It has a first door 8, a second door 9, and a positioning member 10.
[0013]
The lower box 1 has a bottom plate 11 and a pair of side plates 12 facing each other. The lower box 1 of the embodiment has a box shape having a continuous side plate around a bottom plate 11 including a side plate 12, an electric wire insertion hole 16 is formed in each side plate, and an opening edge which is a front end side of each side plate is formed. A front end piece 13 is formed over the entire circumference, and a plurality of mounting screw holes 15 are formed at predetermined positions. As shown in FIG. 5, a hole 50 for mounting a wall surface is formed in the bottom plate 11, and the bottom plate 11 is mounted on a wall surface of a building or the like by a mounting means using screws or the like.
[0014]
The first pair of bridge members 2 and 3 are bridged between the pair of side plates 12. The bridge member 2 according to the embodiment has a step portion 17 attached to the side plate 12 at both ends thereof, a screw insertion hole 18 formed in the step portion 17, and a mounting portion as shown in FIG. A tool mounting portion 25 is formed. The screw insertion hole 18 is configured to enable height adjustment and posture adjustment of the bridge member 2, for example, to form long holes at both left and right end portions of the bridge member 2 and to form a C shape in both directions. Has formed. Both ends of the bridging member 3 are formed in a step-like manner with a portion attached to the side plate 12 as an upper step 19 and an inner side of the box body 1 as a lower step inside thereof, and in the embodiment, intermediate between the upper step 19 and the lower step. A step 21 is formed. And the same screw insertion hole 18 as the above-described configuration is formed in the upper stage 19. Both ends of the door frame mounting member 24 are mounted between the intermediate steps 21 of the bridge member 3, and a pair of mounting fixture mounting portions 25 are formed on the both ends.
[0015]
The inner unit 4 is attached between the first pair of bridge members 2, 3. The inner unit 4 according to the embodiment includes a main switch 26, a number of branch switches 27, and a limiter mounting plate 28. The main switch 26 and the limiter mounting plate 28 are mounted on the bridge member 2, and the branch switch 2 Reference numeral 27 is attached to the frame 22, and upper and lower ends of the frame 22 are connected between the bridge members 2 and 3. Therefore, at the time of assembling into the lower box 1, the bridge members 2 and 3 are connected by the frame 22 on which the branch switch 27 is installed, the main switch 26 and the like are installed on the bridge member 2, and mutual wiring is performed. The screw head insertion portion 18a of the screw insertion hole 18 of the bridge members 2 and 3 is inserted into the screw 30 that has been temporarily screwed in advance into the screw hole 15 of the box 1, and the bridge members 2 and 3 are shifted downward to a temporarily fixed state. 30 is attached to the lower box 1 by screwing. Reference numeral 51 denotes a conductive bar that connects the main switch 26 and the branch switch 27.
[0016]
The second pair of bridge members 5 and 6 are bridged between the pair of side plates 12 so as to be aligned with the inner unit 4. As shown in FIG. 6, the bridge members 5 and 6 of the embodiment are formed in substantially the same shape as the bridge member 3, are formed in a stepped shape having an intermediate step 21 at both ends, and have a screw insertion hole 18 formed in an upper step 19. are doing. Therefore, both ends of each of the adjacent bridge members 3 and 5 between the first pair of bridge members 2 and 3 and the second pair of bridge members 5 and 6 are referred to as an upper portion 19 at a portion attached to the side plate 12. The inner side of the lower box 1 is formed stepwise with the inner side as the lower step.
[0017]
The free space attachment member 7 is attached between the second pair of bridge members 5 and 6. In the embodiment, for example, a wooden board or the like to which a weak electric device or the like is attached. As shown in FIG. 6, screw insertion holes 32 are formed at four corners, and screw holes 33 matching the screw insertion holes 32 are formed in the bridge members 5 and 6. And are attached by screws 57. Further, a door frame attachment member 24 is attached to the bridge member 6 between the intermediate step portions 21 by screws 58, and a pair of attachment attachment portions 25 are formed on the door frame attachment member 24. The bridge members 5 and 6 are connected by the attachment member 7 for free space. Therefore, the attachment to the lower box 1 is the same as the attachment of the bridge members 2 and 3, and the bridge members 5 and 6 are connected by the frame space attachment member 7 in which predetermined devices are installed, and the screws of the lower box 1 are previously set. The screws 30 temporarily screwed into the holes 15 are shifted downward through the screw head insertion portions 18a of the screw insertion holes 18 of the bridge members 5 and 6, and are temporarily fixed and tightened and fixed.
[0018]
The first door 8 is attached to the first pair of bridge members 2, 3 and covers the inner unit 4 so that it can be opened and closed. The first door 8 according to the embodiment includes a door body 35 and a door frame 36 that pivotally connects the door body 35 so as to be openable and closable, and is attached to the bridge members 5 and 6. In the embodiment, an inner lid 53 is provided on the door frame 36 inside the door body 35, and various openings 53a for operating the main switch 26 and the branch switch 27 are formed in the inner lid 53 as shown in FIG. are doing. At the end of the inner lid 53, there is provided an attachment 55 detachably attached to the attachment attachment portion 25, and further provided with a receiving portion 56 for closing the door body 35 in an openable and closable manner. The first door 8 is installed on the lower box 1 by attaching the attachment 55 to the attachment 25. Reference numeral 52 denotes a handle with a hook portion that hooks on the receiving portion 56, and 54 denotes a hinge of the door body 35.
[0019]
The second door 9 is attached to the second pair of bridge members 5 and 6 to cover the free space mounting member 7 so as to be openable and closable. Similarly to the first door 8, the second door 9 has a door body 35a with an attachment 52, and the door body 35a is pivotally connected to the bridge members 5 and 6 so that the door body 35a can be opened and closed freely. The door frame 36a is provided with an inner lid 53 provided on the door frame 36a inside the door body 35a, and a mounting member 55 is provided on the inner lid 53. Then, the first door 8 is installed on the lower box 1 by attaching the attachment 55 to the attachment 25.
[0020]
Further, a hooked portion 38 which is hooked on a door hooking piece 39 described later is provided on the door frame 36a. That is, in the embodiment, as shown in FIGS. 2 and 8, the edge piece 37 that enters the lower box 1 side of the first door 8, that is, the lower end of the back surface that is the back side of the door frame 36 is attached to the upper end of the door frame 36 a. It extends upward from the lower box 1 side end, and the hooked portion 38 is provided integrally with the edge piece 37.
The positioning member 10 connects the adjacent bridge members 3 and 5 between the first pair of bridge members 2 and 3 and the second pair of bridge members 5 and 6 to connect the first door 8 and the second door. 9 is maintained at a predetermined interval. As shown in FIG. 7, a screw hole 41 is provided in at least one of the adjacent bridge members 3, 5 of the first pair of bridge members 2, 3 and the second pair of bridge members 5, 6, ie, one or both, An insertion hole 44 of a screw 42 to be screwed into the screw hole 41 is formed at one end of the positioning member 10, and a hooking piece 45 is provided at the other end of the positioning member 10 so as to hook the other of the bridge members 3 and 5.
[0021]
The positioning member 10 according to the embodiment is, for example, substantially band-shaped as shown in FIG. 7, has a screw insertion hole 44 formed at the lower end, and bends the hooking piece 45 at the upper end toward the lower box 1. The door hooking piece 39 is cut and raised toward the lower end in the middle part, and the bent piece 46 is bent to the side near the door hooking piece 39. A screw insertion hole 47 for inserting the screw 43 is formed near the hooking piece 45.
[0022]
The positioning member 10 has a pair, and is mounted on both sides of the bridge members 3 and 5 such that the end faces of the positioning member 10 abut on the vertically connected positions. That is, as shown in FIG. 4, the surface of the positioning member 10 abuts on the intermediate step 21, the side surface of the positioning member 10 abuts on the continuous wall 21 a between the intermediate step 21 and the upper step 19, and the hooking piece 45 is 3 and is attached so that the lower end of the bent piece 46 is engaged with the upper edge of the bridge member 5.
[0023]
To assemble, the positioning member 10 is attached to the bridge member 5 by inserting the screw 42 into the screw insertion hole 44 and screwing the screw 42 into the screw hole 41 of the bridge member 6. At this time, as described above, the surface of the positioning member 10 abuts on the intermediate step portion 21, the side surface abuts on the continuous wall 21a, and the bent piece 46 is attached so as to abut on the upper edge of the bridge member 5. The bent pieces 46 can help maintain the vertical position of the positioning member 10 with respect to the bridge member 5. The bridge members 2 and 3 to which the inner unit 4 is attached first are attached to the lower box 1, and the bridge members 5 and 6 to which the attachment members 7 for free space are attached are temporarily attached to the lower box 1. The hooks 45 of the positioning members 10 on both sides of the hook 6 are hooked on the bridge member 3, the screws 43 are passed through the screw insertion holes 47 and screwed into the screw holes 41, and the bridge members 5 and 6 are screwed into the lower box 1 with the screws 30. Tighten and fix. Thereby, the height adjustment and the posture adjustment of the bridge members 5, 6 can be performed, and the interval between the bridge members 3, 5 can be kept constant. Next, the first door 8 is attached to the fixture attaching portion 25 by the fixture 55. Then, the hooked portion 38 of the second door 9 is attached to the fixture attaching portion 25 by the attachment 55 while being hooked on the door catching piece 39 as shown in FIG.
[0024]
According to this embodiment, the door 9 for the free space is separate from the door 8 for the operation of the internal unit, so that only one large door is opened for the purpose of operating only the devices arranged in the free space. It is not necessary to perform this operation, and the operation of the devices arranged in the free space can be facilitated. Since the doors 8 and 9 are attached to the bridge members 2, 3, 5 and 6, which are bridged by the pair of side plates 12 of the lower box 1, the inner unit 4 and the free space mounting member 7 and the doors 8, 9 can be easily aligned. Further, the distance between the two doors 8 and 9 can be always kept constant by the positioning member 10, and the positioning of the first door 8 and the second door 9 can be facilitated.
[0025]
A screw hole 41 is provided in at least one of the bridge members 3, 5 adjacent to the first pair of bridge members 2, 3 and the second pair of bridge members 5, 6, and a screw 42 is screwed into the screw hole 41. Is formed at one end of the positioning member 10 and a hook 45 is provided at the other end of the positioning member 10 so as to hook the other of the bridge members 3 and 5. 5, the hook 45 of the positioning member 10 can be hooked on the other bridge member 3 to keep the space between the adjacent bridge members 3, 5, the inner unit 4, the free space mounting member 7, and The removal work of the bridge members 2, 3, 5, 6 can be facilitated. When the screw holes 41 are provided in both of the bridge members 3 and 5, the positioning member 10 can be screwed to any of the bridge members 3 and 5.
[0026]
Both ends of each of the bridge members 3, 5 adjacent to the first pair of bridge members 2, 3, and the second pair of bridge members 5, 6, have a portion to be attached to the side plate 12 as an upper stage 19, and The inner side of the lower box 1 is formed stepwise with the inner side of the lower box 1 on the inner side, and the positioning member 10 is attached so as to abut on the continuous position of the upper step 19 and the lower step. The member 7 is not disposed at a position displaced in the lateral direction, and stable connection can be achieved.
[0027]
The first door 8 and the second door 9 are composed of door bodies 35 and 35a and door frames 36 and 36a which pivotally connect the door bodies so as to be openable and closable and are attached to a bridge member. Since the member 10 is provided with the door hooking piece 39 and the at least one door frame 36a of the first door 8 and the second door 9 is provided with the hooked portion 38 hooked on the door hooking piece 39, the one door frame 36a Can be hooked on the door hooking piece 39, so that the door mounting operation can be simplified.
[0028]
The edge piece 37 that enters the back surface of one door frame 36 extends from the other door frame 36a, and the hooked portion 38 is provided on the edge piece 37, so that the gap between the two door frames 36, 36a is closed. Can look good.
In the present invention, the door hooking piece 39 hooks the second door 9; however, the door hooking piece 39 may hook on the first door 8, or a pair of hooking pieces may be hooked. May be provided for the door frames 36, 36a of the first door 8 and the second door 9, and the hooked portion 38 may be provided for both the door frames 36, 36a.
[0029]
【The invention's effect】
According to the switchboard of claim 1, the door for the free space is separate from the door for operating the internal unit, so that only a single large door is used to operate only the devices provided in the free space. This eliminates the need to open the device and makes it easier to operate the devices provided in the free space. In addition, since each door is attached to the bridge member bridged by the pair of side plates of the lower box, the positioning of the inner unit and the free space mounting member with each door can be easily performed. Further, the distance between the two doors can be always kept constant by the positioning member, and the positioning of the first door and the second door can be facilitated.
[0030]
According to the distribution board according to claim 2, after the positioning member is attached to one of the bridge members by a screw, the hook piece of the positioning member is hooked to the other bridge member to maintain a space between adjacent bridge members. Thus, the work of removing the inner unit, the attachment member for free space, and the bridge member can be facilitated. When the screw holes are provided on both of the bridge members, the positioning member can be screwed to any arbitrary bridge member.
[0031]
According to the distribution board according to the third aspect, in addition to the same effect as the first or second aspect, the inner unit and the mounting member for free space are not disposed at positions shifted laterally. , Stable connection.
According to the power distribution panel described in claim 4, in addition to the same effect as in claim 3, one of the door frames can be hooked on the door hooking piece, so that the door mounting operation can be simplified.
[0032]
According to the distribution board of the fifth aspect, in addition to the same effect as the fourth aspect, the gap between the two door frames can be closed, and the appearance is improved.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view of a distribution board according to an embodiment of the present invention.
FIG. 2 is an exploded perspective view showing a state where a first door and a second door are further separated.
FIG. 3 is a front view of a state in which a door of a distribution board is opened.
FIG. 4 is a front view showing a state where a door is removed.
FIG. 5 is a front view showing a state where a second door is attached.
FIG. 6 is an exploded perspective view of a bridge member, an inner unit, and a mounting member for a free space.
FIG. 7 is an exploded perspective view of a bridge member and a positioning member.
FIG. 8 is a cross-sectional view showing attachment of a positioning member.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Lower box 2 Bridge member 3 Bridge member 4 Inner unit 5 Bridge member 6 Bridge member 7 Free space attachment member 8 First door 9 Second door 10 Positioning member 11 Bottom plate 12 Side plate 19 Upper stage 35 Door body 35a Door body 36 Door frame 36a Door frame 37 Edge piece 38 Engagement part 39 Door hook piece 41 Screw hole 42 Screw 44 Screw insertion hole 45 Hanging piece

Claims (5)

A lower box having a bottom plate and a pair of opposed side plates, a first pair of bridge members bridged between the pair of side plates, an inner unit attached between the first pair of bridge members, A second pair of bridging members bridged between the pair of side plates so as to line up with the inner unit, a free space mounting member attached between the second pair of bridging members, and the first pair A first door attached to the bridge member to cover the inner unit in an openable and closable manner; and a second door attached to the second pair of bridge members to cover the free space mounting member in an openable and closable manner. Connecting the adjacent bridge members of the first pair of bridge members and the second pair of bridge members, and setting the interval between the first door and the second door to a predetermined interval. Distribution board with positioning member to keep. A screw hole is provided in at least one of the adjacent bridge members of the first pair of bridge members and the second pair of bridge members, and an insertion hole for a screw screwed into the screw hole is provided at one end of the positioning member. The distribution board according to claim 1, wherein a hooking piece is formed and hooked to the other end of the bridge member at the other end of the positioning member. Both ends of each of the adjacent bridge members between the first pair of bridge members and the second pair of bridge members have a portion attached to the side plate as an upper stage and an inner side of the lower box inside the lower plate. 3. The distribution board according to claim 1, wherein the positioning board is formed in a step-like manner with a lower stage, and the positioning member is attached so as to abut on the continuous positions of the upper stage and the lower stage. The first door and the second door are composed of a door body and a door frame that pivotally opens and closes the door body and is attached to the bridge member. 4. The distribution board according to claim 3, wherein a piece is provided, and at least one of the first door and the second door is provided with a hooked portion hooked on the door hooking piece on the door frame. 5. The first door and the second door each include a door main body, and a door frame that pivotally opens and closes the door main body and is attached to the bridge member. A hook piece is provided, and an edge piece that enters the back side of the other door frame from one of the first door and the second door is extended from the one door frame, and the hook piece is hooked on the door hook piece. The distribution board according to claim 3, wherein a portion is provided on the edge piece .

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