JP3348415B2 - Inner unit mounting structure of distribution board - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a distribution board comprising an inner unit having a panel on which electric devices are mounted on rails arranged in parallel, mounted on a rear surface inside a box body. The present invention relates to a structure for changing a mounting pitch.

[0002]

2. Description of the Related Art Conventionally, a mounting pitch of an inner unit has been changed in a distribution board including an inner unit having a panel on which electric devices are mounted on rails arranged in parallel on a rear surface inside a box body. As shown in FIG. 5, a first bolt 45 for mounting the inner-unit mounting bracket 44 to the inner-unit fixing bracket 43 provided near four inner corners of the box body 42 of the distribution board 41 is erected. The inner machine mounting bracket 44 has a first bolt insertion hole 4.
5a and a second bolt insertion hole 45b are provided, and the first bolt 45a is inserted into the first bolt 45a in a state where the second bolt 46 for attaching the inner machine is inserted into the second bolt insertion hole 45b. And the inner machine mounting bracket 44 is fastened and fixed to the inner machine fixing bracket 43 with a nut 47, and the inner machine 48 is fixed to the second bolt.
The notch 49a of the rail 49 is brought into contact with the
It was tightened and fixed at 0.

[0006] As shown in FIG. 6, an inner machine fixing bracket 53 provided near the four inner corners of a box body 52 of a distribution board 51 is provided with a through hole 54 substantially at the center of the upper surface. Bolt locking portions 54a and 54b for locking a substantially U-shaped bolt 55 are formed on both ends of the bolt facing each other, and the bolt 55 is connected from one bolt locking portion 54a to the other bolt locking portion 54b.
Of the head 55a of the bolt supporter 55
The bolt 55 is fixed by b, the end notch 57 a of the rail 57 of the inner machine 56 is brought into contact with the bolt 55, and the nut 55 is fixed by tightening.

[0004]

However, in the internal machine mounting structure shown in FIG. 5, the internal machine mounting brackets 44 are mounted on the first bolts 45 erected on the internal machine fixing brackets 43, and the respective first bolts 45 are connected. Must be tightened and fixed with nut 47
These operations must be performed on at least the inner-unit fixing brackets 43 provided at the four corners on the rear surface of the box body, and there is a disadvantage that the mounting operation of the inner unit is extremely troublesome.

Further, in the internal machine mounting structure shown in FIG. 6, since the mounting position of the internal machine fixing bracket 53 is fixed, it is almost impossible to reduce the size and weight of the internal machine by changing the mounting pitch of the internal machine to a small value. There was a disadvantage.

[0006]

SUMMARY OF THE INVENTION In view of the above-mentioned problems of the conventional structure for mounting an internal unit on a distribution board, an object of the present invention is to provide a power distribution unit that can easily mount the internal unit to a box body with a simple structure. The present invention provides an inner machine mounting structure for a panel, in which a through hole is provided at a substantially central portion of an upper surface of an inner machine fixing bracket, and a substantially U-shaped inner machine mounting bracket is mounted at both ends of the through hole. Bolt locking portions for locking the first bolts are formed facing each other, and the inner machine mounting bracket has a first slot-shaped first hole through which the first bolt is inserted.
A bolt insertion hole, a second bolt insertion hole for inserting a second bolt for mounting the internal unit, and a locking hook for locking to the internal unit fixing bracket. The head of the first bolt is inserted through the through hole of the metal fitting and is locked and fixed to one of the bolt locking portions. In this state, the first bolt is inserted into the first bolt inserting hole of the inner mounting bracket. A bolt is inserted, a second bolt is inserted through a second bolt insertion hole, and the locking hook is inserted through a through hole of an inner machine fixing bracket, and the inner machine mounting bracket is inserted into the first bolt. By sliding along the insertion hole for use, the locking hook is locked to the other of the bolt locking portions of the inner machine fixing bracket, and the first bolt is fastened and fixed with a first nut, Attaching the inner machine to the second bolt and tightening and fixing the inner machine with a second nut.

[0007] At least the inner back surface of the box body
Attach inner unit mounting brackets to inner unit fixing brackets provided near the four corners
The electric equipment is mounted on a rail arranged in parallel with the inner unit mounting bracket.
Distribution board with an inner machine with a panel on which a panel is mounted
A structure for changing the mounting pitch of the inner unit , wherein the inner unit fixing bracket is provided with a through hole in a substantially central portion of the upper surface,
Bolt locking portions for locking a first bolt for mounting a substantially U-shaped inner machine mounting bracket are formed at both ends of the through hole so as to face each other, and the first fitting is provided on the inner machine mounting bracket. A first bolt insertion hole for inserting the second bolt, a second bolt insertion hole for inserting a second bolt for mounting the inner machine, and a locking hook for locking to the inner machine fixing bracket. Is provided, the head of the first bolt is inserted through the through hole of the inner machine fixing bracket,
In this state, the first bolt is inserted through the first bolt insertion hole of the inner machine mounting bracket, and the second bolt is inserted into the second bolt insertion hole. By inserting a bolt, inserting the locking hook through a through hole of the internal machine fixing bracket, and rotating the internal machine mounting bracket about the first bolt, the locking hook is connected to the internal machine. The first bolt is locked to the other of the bolt locking portions of the fixing bracket, the first bolt is tightened and fixed with a first nut, the inner machine is mounted on the second bolt, and the second bolt is tightened with a second nut. It is to be fixed.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION The head of a first bolt is inserted into a through hole of an inner machine fixing bracket and is locked and fixed to a bolt locking portion. In this state, the first bolt is inserted through the inner machine mounting bracket. The first bolt is inserted through the hole, the second bolt is inserted through the second bolt insertion hole, and the locking hook is inserted through the through hole of the inner machine fixing bracket. By sliding along the first bolt insertion hole, the locking hook is locked to the bolt locking portion of the internal machine fixing bracket, the first bolt is fastened and fixed with the first nut, and the second bolt is fixed. Attach the inner machine to the bolt and tighten and fix it with the second nut.

Also, the head of the first bolt is inserted into the through hole of the inner machine fixing bracket and is locked and fixed to the bolt locking portion. In this state, the first bolt is inserted into the first bolt inserting hole of the inner machine mounting bracket. The first bolt is inserted, the second bolt is inserted into the second bolt insertion hole, the inner machine mounting bracket is rotated around the first bolt, and the locking hook is connected to the inner machine fixing bracket. , And the first bolt is fastened and fixed with the first nut.
Attach the internal machine to the bolt and tighten and fix it with the second nut.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the inner machine mounting structure for a box for storing electrical equipment according to the present invention will be described with reference to FIGS.

A through hole 4 is provided at a substantially central portion of an upper surface of an inner machine fixing bracket 3 provided in the vicinity of four corners on the back surface of the inside of the box body 2 of the distribution board 1, and substantially at both ends of the through hole 4. Bolt locking portions 4a and 4b for locking the first bolts 5 for mounting the U-shaped inner machine mounting bracket are formed facing each other, and the first bolt 5 is inserted into the inner machine mounting bracket 6. And a second bolt 1 for mounting an inner machine.
A second bolt insertion holes 8 for inserting the 0, provided a locking hook 9 to be engaged with the internal mechanism fixing bracket 3, the first bolt 5
Is fastened and fixed with a first nut 11, an inner machine (not shown) is attached to a second bolt 10 inserted through the second bolt insertion hole 8, and is tightened and fixed with a second nut 12. .

The first bolt 5 is inserted into the through hole 4 of the inner unit fixing bracket 3.
The first bolt 5 is fixed by the bolt supporter 5b. In this state, the first bolt 5 is inserted into the first bolt insertion hole 7 of the inner machine mounting bracket 6. The first bolt 5 is inserted, the second bolt 10 is inserted through the second bolt insertion hole 8, and the locking hook 9 is inserted through the through hole 4 of the inner machine fixing bracket 3, thereby mounting the inner machine. By sliding the metal fitting 3 along the first bolt insertion hole 7, the locking hook 9 is locked to the bolt locking portion 4 b of the internal machine fixing metal fitting 3, and the first bolt 5 is connected to the first nut. 11, the inner machine is attached to the second bolt 10, and the second nut 12 is tightened and fixed.

A second embodiment of the inner machine mounting structure for a box for housing electrical equipment according to the present invention will be described with reference to FIGS.

A through hole 24 is provided at a substantially central portion of the upper surface of an inner machine fixing bracket 23 provided in the vicinity of the four corners on the back surface of the inside of the box body 22 of the distribution board 21, and substantially at both ends of the through hole 24. Bolt locking portions 24a and 24b for locking a first bolt 25 for mounting a U-shaped inner machine mounting bracket are formed facing each other, and the first bolt 25 is inserted into the inner machine mounting bracket 26. And a second bolt insertion hole 28 through which a second bolt 30 for mounting the inner machine is inserted.
And a locking hook 29 for locking to the inner machine fixing bracket 23, the first bolt 25 is fastened and fixed with a first nut 31, and the second bolt 25 is inserted through the second bolt insertion hole 28. The inner machine (not shown) is attached to the bolt 30 of the above, and the bolt is fixedly fastened with the second nut 32.

The head 25a of the first bolt 25 is inserted into the through hole 24 of the inner machine fixing bracket 23, is locked by the bolt locking portion 24a, and the first bolt 25 is fixed by the bolt supporter 25b. In this state, the first bolt 25 is inserted through the first bolt insertion hole 27 of the inner machine mounting bracket 26, and the second bolt 30 is inserted through the second bolt insertion hole 28, so that the first
The inner machine mounting bracket 26 is rotated around the bolt, and the locking hook 29 is locked to the bolt locking portion 4 b of the inner machine fixing bracket 23, and the first bolt 25 is tightened with the first nut 31. The inner machine is attached to the second bolt 30 and tightened and fixed with the second nut 32.

[0016]

According to the present invention, the inner mounting structure of the distribution board according to the present invention is as follows.
A bolt hole is provided at the substantially central portion of the upper surface of the inner machine fixing bracket, and a first bolt for securing a substantially U-shaped inner machine mounting bracket to both ends of the through hole. Are formed in opposition to each other, and the inner machine mounting bracket has a slot-shaped first bolt insertion hole through which the first bolt is inserted, and a second bolt through which a second bolt for mounting the inner machine is inserted. 2) a bolt insertion hole and a hook for locking to the inner machine fixing bracket are provided, and a head of the first bolt is inserted into a through hole of the inner machine fixing bracket to thereby secure the bolt. Locked to one of the parts,
In this state, the first bolt is inserted through the first bolt insertion hole of the inner machine mounting bracket, the second bolt is inserted through the second bolt insertion hole, and the locking hook is inserted inside. The locking hook is inserted into the through hole of the machine fixing bracket and the inner machine mounting bracket is slid along the first bolt insertion hole so that the locking hook is inserted into the other of the bolt locking portions of the inner machine fixing bracket. Locking the first bolt with a first nut, fixing the inner machine to the second bolt, and tightening and fixing the second bolt with the second nut allows the inner machine to be mounted. This is extremely simple, and has the effect that parts such as mounting bolts can be reduced. Further, since the mounting pitch of the inner unit can be arbitrarily changed, there is an effect that the size and weight of the inner unit can be extremely easily reduced.

Further, a switchboard according to a second embodiment of the present invention is provided.
A bolt is provided in the inner machine fixing bracket at a substantially central portion of an upper surface thereof, and a first bolt for attaching a substantially U-shaped inner machine mounting bracket to both ends of the through hole. The locking portions are formed to face each other, and the first fitting is attached to the inner machine mounting bracket.
A first bolt insertion hole for inserting the first bolt, a second bolt insertion hole for inserting a second bolt for mounting the inner machine, and a locking hook for locking to the inner machine fixing bracket. Is provided, and the head of the first bolt is inserted into the through hole of the inner machine fixing bracket, and is locked and fixed to one of the bolt locking portions.
In this state, the first bolt is inserted through the first bolt insertion hole of the inner machine mounting bracket, the second bolt is inserted through the second bolt insertion hole, and the locking hook is inserted inside. The hook for locking is locked to the other of the bolt locking portions of the inner machine fixing bracket by inserting the inner machine mounting bracket around the first bolt as it passes through the through hole of the machine fixing bracket. Let
The first bolt is fastened and fixed with a first nut, the inner machine is attached to the second bolt, and the second nut is fastened and fixed, so that the work of mounting the inner machine is extremely simple. This has the effect that parts such as mounting bolts can be reduced. Further, since the mounting pitch of the inner unit can be arbitrarily changed, there is an effect that the size and weight of the inner unit can be extremely easily reduced.

[Brief description of the drawings]

FIG. 1 is an explanatory view of a first stage of a first embodiment of a distribution board inner unit mounting structure according to the present invention.

FIG. 2 is an explanatory view of a second stage of the first embodiment of the inner structure of the distribution board according to the present invention.

FIG. 3 is an explanatory view of a first stage of a second embodiment of the inner structure of the distribution board according to the present invention.

FIG. 4 is an explanatory view of a second stage of the second embodiment of the inner structure of the distribution board according to the present invention.

FIG. 5 is an explanatory diagram of a conventional internal mounting structure of a distribution board.

FIG. 6 is an explanatory view of another embodiment of the conventional inner mounting structure of the distribution board.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Distribution board, 2 ... Box body, 3 ... Inner machine fixing bracket, 4 ... Through-hole, 4a, 4b ... Bolt locking part,
5 ... first bolt, 6 ... inner unit mounting bracket, 7 ...
1st bolt insertion hole, 8 ... 2nd bolt insertion hole, 9 ... locking hook, 10 ... 2nd bolt,
11 ... first nut, 12 ... second nut.

Claims (2)

(57) [Claims] 1. A panel in which an inner-unit mounting bracket is mounted on an inner-unit fixing bracket provided at least in the vicinity of four corners on a back surface inside a box body, and an electric device is mounted on a rail arranged parallel to the inner-unit mounting bracket. A mounting pitch of the inner unit of the distribution board formed by mounting the inner unit with the through hole, wherein the inner unit fixing bracket is provided with a through hole at a substantially central portion of an upper surface, and both ends of the through hole are provided. For attaching a substantially U-shaped inner machine mounting bracket to the part
Bolt locking portions for locking the bolts are formed so as to face each other, and the inner machine mounting bracket is provided with an elongated first bolt insertion hole through which the first bolt is inserted, and the inner machine is mounted. A second bolt insertion hole through which a second bolt is inserted, and a hook for locking to the inner machine fixing bracket, and the first bolt is inserted into a through hole of the inner machine fixing bracket. The head is inserted and fixed to one of the bolt engaging portions, and in this state, the first bolt is inserted into the first bolt insertion hole of the inner machine mounting bracket, and the second bolt is inserted. The second bolt is inserted through the insertion hole, the locking hook is inserted through the through hole of the internal machine fixing bracket, and the internal machine mounting bracket is slid along the first bolt insertion hole to thereby perform the above-described operation. A locking hook is locked to the other of the bolt locking portions of the inner machine fixing bracket, and the first bolt is locked. Fixed tightening the first nut,
An inner machine mounting structure for a distribution board, wherein the inner machine is mounted on the second bolt and tightened and fixed with a second nut. 2. At least four corners on the back inside the box body
Attach the inner unit mounting bracket to the inner unit fixing bracket provided in the vicinity.
Electrical equipment is mounted on rails arranged parallel to the inner unit mounting bracket
Unit of a distribution board with an inner unit with a mounted panel
A structure for changing the mounting pitch, provided with a through hole at a substantially central portion of the upper surface in said machine fixing bracket, for attaching the substantially U-shaped inner machine mounting bracket at both ends of the translucent hole of Bolt locking portions for locking the first bolts are formed to face each other, and a first bolt insertion hole through which the first bolt is inserted, and a first bolt insertion hole through which the first bolt is inserted are attached to the inner machine mounting bracket. A second bolt insertion hole for inserting a second bolt, and a locking hook for locking to the inner machine fixing bracket, wherein a head of the first bolt is inserted into a through hole of the inner machine fixing bracket. Is inserted and fixed to one of the bolt engaging portions. In this state, the first bolt is inserted into the first bolt insertion hole of the inner mounting bracket, and the second bolt insertion hole is inserted. Through the second bolt, and the hook for locking into the through hole of the metal fitting for fixing the internal machine. Is turned around the first bolt to lock the locking hook to the other of the bolt locking portions of the inner machine fixing bracket, and tighten the first bolt with a first nut. An inner unit mounting structure for a distribution board, wherein the inner unit is attached to the second bolt, and the inner unit is tightened and fixed with a second nut.