JPH0644138Y2 - Mounting bracket for equipment mounting rail - Google Patents

Description

[Detailed Description of the Invention] (Industrial field of application) The present invention relates to a mounting bracket for a device mounting rail for mounting an electric device mounting rail on a fixed rail provided inside a switchboard or the like so that its height can be changed. Is.

(Prior art) When installing electric devices of various sizes and shapes such as circuit breakers, switches, end blocks, etc. inside a switchboard, etc., such that the operation surfaces are the same surface, switchboard etc. It is necessary to mount the equipment mounting rails at various heights on the fixed rails fixed on the bottom plate. Therefore, conventionally, as shown in FIG. 5, the bolt (91) inserted from the back surface of the fixed rail (90) is fixed on the fixed rail (90) with the nut (92), and the height required for the bolt (91) is increased. Of the fixed rail (90) when the device mounting rail (94) is mounted on the upper end surface of this spacer (93) and the device mounting rail (94) is mounted at a lower position. The method of directly attaching the device mounting rail (94) to the screw hole formed in the was adopted. However, in such a case, since it is necessary to insert the bolt (91) from the back surface of the fixed rail (90), before the fixed rail (90) is attached to the back plate part (96) of the box (95). It is necessary to attach the bolt (91) to the fixed rail (90), and it is easy to make a mistake in the mounting position of the bolt (91). Has to be removed from the back plate part (96), and also has many drawbacks such as having to re-machine a large-diameter screw hole for fixing the device mounting rail (94) to the fixed rail (90). was there.

Further, as shown in FIG. 6, a mounting rail (94) is mounted on the fixed rail (90) by using a mounting bracket (97) having a convex cross section.
There is also a method to mount the to the desired height, but the mounting bracket (97)
There is a drawback that the mounting area of the switchboard and the like is reduced because it takes up space for mounting.

(Problems to be Solved by the Invention) The present invention solves the above-described problems, and after mounting the fixed rail on the back plate of the box, the equipment mounting rail can be fixed at a free position, and fixed. The device mounting rail can be fixed at any position using the screw holes formed in the rail in advance, and it was completed for the purpose of mounting brackets for device mounting rails that do not reduce the mounting area. is there.

(Means for Solving the Problem) A first invention made in order to solve the above problem is a mounting member in the shape of a rectangular tube provided with a mounting plate for a fixed rail and a front plate parallel thereto. The front plate is provided with a notch for mounting the stud bolt, and a mounting hole for the fixed rail is formed at a position corresponding to the notch of the mounting plate. A second invention made in order to solve the problems common to this is a tubular mounting metal fitting provided with a mounting plate to a fixed rail and a front plate parallel thereto, and the front mounting plate has an end. Notch for mounting stud bolts extending from the part and screw holes for mounting equipment mounting rails, and mounting to a fixed rail at a position corresponding to at least one of the notch and screw hole on the mounting plate. It is characterized by forming holes According to a third aspect of the present invention, there is provided a mounting bracket in the form of a square tube having a mounting plate for a fixed rail and a front plate parallel to the mounting plate. The front plate is provided with a screw hole for mounting a device mounting rail. A mounting hole to the fixed rail is formed at a position of the mounting plate corresponding to the screw hole.

(Embodiment) Next, the present invention will be described in detail with reference to an illustrated embodiment.

1 and 2 show an embodiment of the first invention. The mounting bracket for the device mounting rail of the present invention is made by bending a metal plate into a rectangular tube having a rectangular cross section. In the figure, (1) is a front plate, (7) is leg plates (8), (8). Is a mounting plate to the fixed rail (9) which is connected to the front plate (1) at a required interval. The front plate (1) has a notch (2) for attaching the stud bolt over a predetermined length at the end thereof.
The front plate (1) is provided with a through hole (6) at a portion slightly inward. The mounting plate (7) is formed by bending from a lower end of a leg plate portion (8) bent on one side of the front plate (1) and provided parallel to the front plate (1). A notch-shaped mounting hole (11) for inserting a screw is provided at a position corresponding to the notch (2) for mounting the stud bolt provided in (1). Further, in the present embodiment, the mounting hole (12) is provided at a position corresponding to the through hole (6) and the enlarged hole portion (12a) into which the screw head can be inserted is provided on one side. Incidentally, (13) is a window hole provided in one leg plate portion (8).

The one configured in this way uses the screw hole (9a) for mounting the device of the fixed rail (9) fixed to the bolt holder (53) welded to the back plate part (52) of the box (51). It can be attached by. When mounting, screw (5) into the screw hole (9a) for equipment mounting of this fixed rail (9).
4), (54) are temporarily screwed together, and the device mounting rail mounting bracket is pressed so that the enlarged hole (12a) of the mounting plate (7) penetrates the screw (54), and the screw (54), The device mounting rail mounting bracket is slid so that the (54) fits into the mounting holes (11) and (12). Since the front plate (1) is provided with the cutouts (2) and the through holes (6) corresponding to the mounting holes (11) and (12) of the mounting plate (7), the cutouts (2), Insert the tip of a screwdriver through the through hole (6) and screw the screws (54) and (54) through the corresponding mounting holes (11) and (12) to fix the device on the fixed rail (9a), ( It should be screwed to 9a).

Then, as shown in FIGS. 1 and 2, the head of the stud bolt (56) is slid from the notch end of the notch (2) for mounting the stud bolt provided on the front plate (1), and the front plate ( 1) and tightened with a nut (57), and then a cylindrical spacer fitting (58) is fixed to the bolt shaft (59), and a through hole ( By holding the periphery of 55a) on the end surface of the spacer fitting (58), inserting the bolt shaft portion (59) into the through hole (55a) and tightening the nut (60), the fixed rail (9 The equipment mounting rail (55) can be mounted at a position higher than the upper surface of (). Then, an electric device (62) such as a switch is mounted on the device mounting rail (55) via the device mounting plate (61).

As described above, according to the present invention, the notch (2) for attaching the stud bolt is formed on the end surface of the front plate (1) over a predetermined length.
Since the stud bolt (56) is provided, the stud bolt (56) can be attached very easily from the front side of the fixed rail (9). Further, by changing the mounting position of the mounting plate (7) with respect to the fixed rail (9), it is possible to easily cope with the change of the mounting position of the device mounting rail (55). Moreover, since the mounting hole (11) of the mounting plate (7) is formed at a position corresponding to the notch (2), it is easy to mount the metal fitting on the fixed rail (9), and an extra metal fitting is required for mounting the metal fitting. Since no space is required, there is no reduction in the mounting area such as a switchboard.

Next, FIGS. 3 and 4 show an embodiment of the second and third inventions.

In this embodiment, in addition to the notch (2) for mounting the stud bolt, the front plate (1) is provided with a screw hole (3) for mounting the equipment mounting rail (55). Screw hole (3)
May be directly formed on the front plate (1), but in this embodiment, the front plate (1) is formed by welding the nut (5) to the lower surface of the clip metal fitting (4) having a U-shaped cross section. It is fitted and fitted to the formed through hole (6) and has a function as a screw hole (3). And the notch (2) in the mounting plate (7)
A notch-shaped mounting hole (11) similar to that of the first invention is formed at a position corresponding to (1), and a mounting hole (12) is formed at a position corresponding to the screw hole (3).

The second device constructed in this way can not only be used in the same manner as the first device, but can also be used by screwing a screw (10) into the screw hole (3). ,
It is also possible to attach the device mounting rail (55) directly to the upper surface of the front plate (1) as shown in FIG.
The height of the equipment mounting rail (55) can be changed more easily. The mounting holes (11) and (12) are notches (2).
And the screw hole (3), respectively, so that the tip of the screwdriver is inserted through the notch (2) or the screw hole (3) and the screw (54) is screwed in to the fixed rail (9). Can be easily attached.

(Effect of the Invention) As is apparent from the above description, the present invention allows the device mounting rail to be assembled from the front of the switchboard box with the fixed rail mounted, so there is no stud bolt mounting error, and the specifications In addition to being able to easily deal with changes, it is not necessary to re-drill holes for attaching the device mounting rail to the fixed rail when changing specifications.

Further, in the present invention, the mounting holes for the fixed rails are made to correspond to the notches for mounting the stud bolts and the screw holes for mounting the device mounting rails, so that the mounting on the fixed rails is easy, and there is no extra space for mounting. Therefore, the mounting area is not reduced because it does not require the area. Therefore, the present invention is convenient for mounting the mounting rail on the fixed rail so that the height can be changed, and is of great practical value as a mounting bracket for a device mounting rail that eliminates the conventional problems.

[Brief description of drawings]

FIG. 1 is a partially cutaway side view showing a use state of an embodiment of the first invention, FIG. 2 is a partially cutaway perspective view of a main part thereof, and FIG. 3 is an embodiment of the second and third inventions. 4 is a partially cutaway side view showing the use state of the same, FIG. 4 is a partially cutaway perspective view of the main part thereof, FIG. 5 is a partially cutaway plan view showing a typical example of the prior art, and FIG. It is a partially notched top view shown. (1): front plate, (2): notch, (3): screw hole,
(7): Mounting plate, (8): Leg plate portion, (9): Fixed rail, (11): Mounting hole, (12): Mounting hole, (55): Equipment mounting rail.

Claims (3)

[Scope of utility model registration request] Claims: 1. A square tubular mounting fixture comprising a mounting plate (7) for mounting to a fixed rail (9) and a front plate (1) parallel to the mounting plate, the end portion of the front plate (1). The notch (2) for mounting the stud bolt is provided on the mounting plate (7), and the mounting hole (11) for the fixed rail (9) is formed at a position corresponding to the notch (2) of the mounting plate (7). Mounting brackets for characteristic equipment mounting rails. 2. A square tube-shaped mounting fitting comprising a mounting plate (7) for mounting to a fixed rail (9) and a front plate (1) parallel to the mounting plate, the front plate (1) having an end. A notch portion (2) for mounting a stud bolt extending from the portion and a screw hole (3) for mounting a device mounting rail (55) are provided, and the notch portion (2) and the screw hole ( 3) A mounting bracket for a device mounting rail, characterized in that mounting holes (11), (12) for a fixed rail (9) are formed at a position corresponding to at least one of (3). 3. A rectangular tube-shaped metal fitting comprising a mounting plate (7) for mounting to a fixed rail (9) and a front plate (1) parallel to the mounting plate, wherein equipment is mounted on the front plate (1). A screw hole (3) for mounting the rail (55) is provided, and a mounting hole (12) for the fixed rail (9) is formed at a position corresponding to the screw hole (3) of the mounting plate (7). A mounting bracket for equipment mounting rails, which is characterized in that