JPH11134005A - Fixture and pedestal therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fixture and a pedestal therefor with which the housing efficiency of a control panel can be improved and much labor is not required for attaching work by providing the base part of the pedestal with a mounting part to be mounted on an attaching rail and erecting an attachment board for mounting electronic control equipment on the pedestal. SOLUTION: A fixture 3 is composed of a pedestal 4 made of synthetic resin, an attachment board 5 made of sheet metal, a movable element 6 made of synthetic resin and a pair of vises for assembly. The pedestal 4 and the attachment board 5 are assembled by screwing the vises 7 for assembly into a vis inserting hole 4a formed on the pedestal 4 and a female screw part 5a formed on the attachment board 5. A mounting part 40 to be mounted on the attaching rail such as a DIN rail is provided on the base part of the pedestal 4 for the fixture 3. Then, the attachment board 5 is erected at a position where the DIN rail is rotated almost at 90 deg. and raised. Therefore, the housing efficiency of electronic control equipment is improved and the miniaturization of the control panel can be attained.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure for electronic control equipment such as a control section of a detector or a measuring instrument or a programmable controller.

[0002]

2. Description of the Related Art Conventionally, this type of electronic control equipment is often mounted on a DIN rail (mounting rail) 1 as shown in FIG. Said D
The IN rail 1 is a German industrial standard product. Usually, when a control panel is provided, the IN rail 1 is laid in the control panel. Thus, the electronic control device 2 can be attached with one touch.

[0003]

However, as shown in this figure, when the bottom area of the electronic control unit 2 is large, since the electronic control unit 2 occupies a large area in a plane, the control panel becomes large. That is, the accommodation efficiency of the electronic control device 2 may be reduced.

On the other hand, as shown in FIG. 11, it is conceivable to mount the electronic control device 2 in a control panel via a mounting fixture 100 having a mounting plate portion 101 having the same shape as a DIN rail. However, in this method, since it is necessary to fix the fixture 100 to the control panel in advance with a fastening member such as a screw 102, the installation work is more time-consuming than the case where the electronic control device 2 is attached to the DIN rail 1 in FIG. It takes.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to provide a fixture and a base for the fixture which can improve the accommodation efficiency of the control panel and can be performed without much trouble in the attaching operation. It is.

[0006]

In order to achieve the above-mentioned object, according to the first aspect of the present invention, a mounting portion to be mounted on a mounting rail is provided on a bottom portion of a base, and an electronic control device is mounted thereon. The mounting plate is erected on a base. In other words, the mounting tool of the present invention provides a mounting portion to be mounted on the mounting rail on the bottom surface of the base, and a mounting plate set to a size and shape capable of mounting the mounting portion is erected on the base. It was done. In addition, "the mounting plate was erected on the base" means that the mounting plate was raised from the base so that the mounting rail on which the base was mounted was substantially perpendicular to the mounting plate. It means.

According to the present invention, the mounting portion of the mounting fixture is pushed into the mounting rail and mounted, and then the mounting portion of the electronic controller is mounted on the mounting plate of the mounting fixture, whereby the electronic control device can be quickly mounted. Can be attached.

In the base for a fixture according to the second aspect of the present invention, a mounting portion to be mounted on the first mounting rail is provided on a bottom portion of the base, and a longitudinal portion of the second mounting rail on which the electronic control device is mounted. Groove into which the end in the direction is inserted, and a female screw portion into which a tip screw is pressed into the surface of the second mounting rail inserted into the fitting groove to screw the set screw fixing the second mounting rail to the base. Thus, the second mounting rail can be erected on the base.

In the second invention, the second mounting rail is inserted into the fitting groove of the base for the mounting fixture, and the set screw is screwed into the female screw portion, so that the second mounting rail is erected on the base. Assemble the fixture by fixing it in the correct position. Then, after assembling the assembled mounting tool by pushing it into the first mounting rail,
The electronic control device is mounted by mounting the mounting portion of the electronic control device on the mounting rail.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. 1 to 7 show a first embodiment. As shown in FIG. 1, the mounting fixture 3 includes a base 4 made of synthetic resin, a mounting plate 5 made of a metal plate, a movable piece 6 made of synthetic resin, and a pair of assembling screws 7. The base 4 and the mounting plate 5 are assembled as shown in FIG. 2 by screwing an assembling screw 7 into a screw insertion hole 4a formed in the base 4 and a female screw portion 5a formed in the mounting plate 5. A mounting portion 40 mounted on a mounting rail such as the DIN rail 1 is provided on the bottom surface of the base 4 of the mounting tool 3.

The mounting portion 40 may adopt a well-known structure similar to the mounting portion 20 of the electronic control device 2 (FIG. 5) mounted on the DIN rail 1, but is one of the important components of the present invention. Therefore, an example of the specific structure will be described. In FIG. 3 showing the bottom portion of the base 4, the mounting portion 40 includes a first holding portion 41 integrally formed with the base 4 and a movable second holding portion 41.
It comprises a holding portion 42 and a wide groove 43 formed along the DIN rail 1 (FIG. 2). The first and second holding portions 41 and 42 respectively hold first and second holding end portions 11 and 12 parallel to each other in the width direction W on the DIN rail 1 in FIG. Is fixed to the DIN rail 1.

As shown in FIG. 3A, the first holding portion 41 includes a pair of first protrusions 44 slightly swelling from the wide groove 43 toward the rail, and a pair of first protrusions 44 from the base 4. And a second protrusion 45 protruding in the direction. On the other hand, the second
The holding portion 42 has a third protrusion 4 having the same shape as the first protrusion 44.
4A and a fourth protrusion 45A formed on the movable piece 6. A return spring 60 is formed integrally with the movable piece 6. That is, as shown in FIG.
The distal end portion 60a of the return spring 60 is engaged with the engagement hole 46 formed in the base 4, and the movable piece 6 can move slightly in the width direction W of the DIN rail 1 due to the elasticity of the resin of the return spring 60. The movable piece 6 is always urged inward in the width direction W by the return spring 60.

Now, as shown in FIG. 3B, the DIN rail 1
Is inserted into the first holding portion 41, while the fourth holding portion 12 of the DIN rail 1 is inserted into the fourth holding portion 12.
5A is brought into contact, and the mounting plate 3 is pushed in the direction of arrow A.
The fourth protrusion 45A is located on the outer side Wo of the DIN rail 1 in the width direction W.
The base 4 is mounted on the DIN rail 1 as shown in FIG. That is, the return spring 6 shown in FIG.
0 allows mounting on DIN rail 1. On the other hand, after mounting, the return spring 60 returns the fourth protrusion 45 </ b> A from the outer position that has escaped at the time of mounting to the holding position where the second held end 12 is held. Thus, the base 4 is DI
It is fixed to the N rail 1.

As shown in FIG. 1, the mounting plate 5 is bent in a substantially L-shape to form a fixed portion 50 and a rising portion 51, and both end portions of the rising portion 51 are bent. A pair of rail-shaped clamped ends 52 are formed.
The lower ends 52 a of the pair of pinched ends 52 are inserted into fitting grooves 47 formed in the base 4. The fitting groove 4
7 is a DIN rail 1 on the upper surface of the base 4 (FIG. 2)
At the end in the longitudinal direction L, as shown in FIG.
The entire attachment 3 is formed in a substantially L-shaped cross section. In this way, the mounting plate 5 is set up at the position where the DIN rail 1 is turned up by approximately 90 ° and raised. In this embodiment, a fixing portion for fixing the mounting plate 5 is formed by the fitting groove 47 and the screw insertion hole 4a in FIG.

As shown in FIGS. 5 and 6, a mounting portion 20 of the electronic control device 2 is mounted on the mounting plate 5. That is, the mounting plate 5 is attached to the mounting portion 40 formed on the base 4 of FIG.
Is set to a size and shape that can be mounted. In addition,
The back surface 54 of the mounting plate 5 in FIG. 6 is set to be substantially flush with the bottom surface (back surface) 24 of the electronic control device 2. The mounting section 20 of the electronic control device 2 has the same configuration as the mounting section 40 of the base 4 in FIG.

In the above configuration, as shown in FIG. 5, since the direction of the electronic control device 2 can be set, the accommodation efficiency in the control panel can be improved and the control panel can be downsized.
Further, after the attachment 3 of FIG. 2 is mounted on the DIN rail 1 with one touch, the electronic control device 2 of FIG.
Can be fixed quickly.

When the electronic control device 2 shown in FIG. 5 is a programmable controller, for example, the electronic control device 2
Has a terminal block 21 provided with a large number of terminals 21a.
Each terminal 21a of the terminal block 21 is connected to DI as shown in FIG.
In a state where the electronic control device 2 is directly fixed to the N-rail 1, the wiring member (not shown) is set to be in a position where it can be easily connected. In some cases. On the other hand, as shown in FIG. 7, if the terminal block 21 of the electronic control device 2 is configured to be detachable from the main body 22 having the wiring board 23, the terminal block 21 is pulled out from the main body 22 and By attaching the terminal block 21 to the main body 22 after connecting the wiring member to the wiring member 21a, the connection operation of the wiring member becomes easy as in the related art.

In the above-described embodiment, the case where the electronic control device 2 is fixed to the DIN rail 1 via the fixture 3 has been described. However, in the present invention, as shown in FIG. 3 is a frame of a manufacturing facility (not shown)
Alternatively, the electronic control device 2 may be mounted on the attachment 3. That is, the mounting fixture 3 has the mounting portion 40 that can be mounted on the DIN rail 1 (FIG. 2) with one touch, regardless of whether it is actually mounted on the DIN rail 1 (FIG. 2). For example, the case of using as shown in FIG. 8 is also included in the scope of the present invention. In order to facilitate the formation of an insertion hole through which the fixing screw 8 is inserted, it is preferable to form a pair of recesses (thin portions) 48 in the base 4 as shown in FIG.

FIG. 9 shows a second embodiment. This figure 9
In (a), the second embodiment employs a second DIN rail (second mounting rail) 1A as a mounting plate, and the second DIN rail 1A is a DIN rail (first mounting rail).
It has the same shape as the mounting rail 1). Second DIN
The rail 1A is fixed to a fitting groove 47 of the base 4 by a set screw 7A and stands upright on the base 4. That is, the second
The first and second clamped ends 11 and 12 at the lower end (the end in the longitudinal direction) of the DIN rail 1 </ b> A
9B, a set screw 7A is screwed into the female screw portions 4b, 4b formed on the base 4 in FIG. , The second DIN rail 1A is erected on the base 4. Note that the other configuration of the second embodiment is the same as that of the above-described first embodiment, and a detailed description thereof will be omitted.

The second embodiment has the same advantages as the first embodiment. Further, in the second embodiment, since the second DIN rail 1A is used as the mounting plate, there is an advantage that it is not necessary to separately create a mold for the mounting plate.

Further, the present invention does not limit the material of the mounting member 3, and for example, the mounting plate 5 and the base 4 may be integrally formed of synthetic resin. The electronic control device 2 mounted on the mounting plate 5 may be any electronic device accommodated in the control panel, such as a control unit of a photoelectric switch or a proximity switch, in addition to the programmable controller.

[0022]

As described above, according to the present invention,
After fixing the mounting device to the mounting rail, the electronic control device is mounted on the mounting plate of the mounting device so that the electronic control device is mounted in a different orientation (orientation) from the case where the electronic control device is directly fixed to the mounting rail. It can be housed in a control panel. Therefore, the accommodation efficiency of the electronic control device is improved, and the size of the control panel can be reduced. Further, since the electronic control device can be mounted on the mounting plate of the mounting device with one touch after the mounting device is mounted on the mounting rail with one touch, the electronic control device can be quickly fixed.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a fixture showing a first embodiment of the present invention.

FIG. 2 is a perspective view showing a state in which a fixture is fixed to a DIN rail.

FIG. 3 is a perspective view and a front view showing a mounting unit.

FIGS. 4A and 4B are a front view and a bottom view showing a mounting portion.

FIG. 5 is a perspective view showing a mounting structure.

FIG. 6 is a plan view of the same.

FIG. 7 is a perspective view showing a mounting method.

FIG. 8 is a perspective view showing another attachment structure using the attachment.

FIG. 9 is a perspective view and a plan sectional view showing a modified example of the attachment.

FIG. 10 is a perspective view showing a conventional mounting structure.

FIG. 11 is a perspective view showing an example of a fixture not included in the present invention.

[Explanation of symbols]

 1: DIN rail (mounting rail) 2: electronic control device 22: main body 23: wiring board 3: mounting tool 4: base 40: mounting portion 41: first holding portion 42: second holding portion 5: mounting plate 52 , Clamped end 60: return spring 1A: second DIN rail (second mounting rail) 4b: female screw 7A: set screw W: width direction

Claims (9)

[Claims] 1. A mounting tool wherein a mounting portion mounted on a mounting rail is provided on a bottom surface of a base, and a mounting plate on which an electronic control device is mounted is erected on the base. 2. A mounting tool, wherein a mounting portion to be mounted on a mounting rail is provided on a bottom surface of a base, and a mounting plate set to a size and shape capable of mounting the mounting portion is erected on the base. 3. The mounting tool according to claim 1, wherein the mounting plate is provided at a position where the mounting rail is turned upright by rotating the mounting rail by approximately 90 °. 4. The mounting tool according to claim 1, wherein a vertical section obtained by cutting the base and the mounting plate is formed in a substantially L shape. 5. The mounting device according to claim 1, wherein the base is formed of a synthetic resin, while the mounting plate is formed of a metal plate. 6. The mounting tool according to claim 1, wherein the mounting rail is a DIN rail. 7. The mounting device according to claim 1, wherein a pair of holding portions for holding a pair of holding ends parallel to each other in a width direction of the mounting rail are provided on the bottom surface portion. A portion is formed, and at least one of the holding portions escapes outward in the width direction of the mounting rail when the bottom surface portion is brought into contact with the mounting rail and pushed in, thereby allowing mounting to the mounting rail. In addition, a mounting tool that is urged by a return spring that returns from an outer position that has escaped after mounting to a holding position that holds the held end portion. 8. A fitting groove for providing a mounting portion to be mounted on the first mounting rail on a bottom surface of the base, and for inserting an end in a longitudinal direction of the second mounting rail on which the electronic control device is mounted. A female screw portion, the tip of which is pressed against the surface of the second mounting rail to be inserted into the fitting groove, and into which a set screw for fixing the second mounting rail to the base is screwed, is used to move the second mounting rail to the base. Base for mounting fixture that can be erected. 9. The base according to claim 8, wherein the first and second mounting rails are DIN rails.