JPH09275283A - Electronic equipment mounting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electronic equipment mounting device, which makes it possible to conduct a mounting of an electronic equipment to a mounting rail and a demounting of the equipment from the rail in a single snap and at the same time, is constituted so as to prevent reliably a fall-off of the equipment. SOLUTION: This mounting device is formed into such a structure that one pair of engaging protrusions 11 are provided on the mounting surface, which comes into contact with a mounting rail, of an electronic equipment 10 in such a way as to oppose to the diagonal direction on one side of the diagonal directions of a rectangle, which is assumed on the mounting surface, and at the same time, one pair of engaging pawls 12 are provided on the above mounting surface in such a way as to oppose to the other diagonal direction and after the equipment 10 is brought into contact with the mounting rail 20 inclining the equipment 10 on the mounting surface, the equipment 10 is mounted to the rail 20 and is rotated ralatively to the rail 20, whereby with the protrusions 11 engaged with edges 21 and 22 of the rail 20, a rotation stop of the equipment 10 is contrived by the pawls 12.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting device for an electronic device, and more particularly to a mounting device for an electronic device for mounting the electronic device on a long mounting rail.

[0002]

2. Description of the Related Art For example, in order to house and arrange various parts such as a terminal block, sequencer, breaker, switch, relay and sensor in a control box, a mounting rail (DI
N rail) is used. Such a mounting rail has a predetermined width of, for example, 35 mm and is a rail made of an aluminum alloy, on which various components as described above can be optionally mounted.

6 to 9 show the conventional mounting of the electronic device 1 on such a mounting rail 2, and the locking claw 3 shown in FIGS. 6 and 7 is provided at one side end of the electronic device 1. The locking claw 3 is provided so as to be locked to the edge 4 of the mounting rail 2.

On the other hand, the lower portion of the side surface on the opposite side of the electronic device 1 is adapted to be attached to the edge 6 of the attachment rail 2 by the holding metal fitting 5 shown in FIGS. 8 and 9.
The press fitting 5 is fixed to the mounting rail 2 with a screw 7.

[0005]

When fixing the electronic device 1 to the mounting rail 2 represented by the DIN rail as described above, a method of utilizing the edge 4 of the mounting rail 2 is adopted. In order to prevent the metal fittings from falling off, the fittings 5 fixed by the screws 7 are required. It was necessary to tighten or loosen the screw 7 with a screwdriver when attaching or detaching. Further, according to such a structure, extra parts such as the press fitting 5 and the screw 7 are required to fix the electronic device 1.

The present invention has been made in view of the above problems, and it is possible to easily and surely fix an electronic device to a mounting rail, and to make sure that the electronic device falls off from the mounting rail. An object of the present invention is to provide a mounting device for an electronic device that is prevented.

[0007]

According to the present invention, in a device for mounting an electronic device on a long mounting rail, a pair of locking projections and a pair of deformable engaging claws are provided on a mounting surface of the electronic device. The four corners of the rectangle are arranged so as to face each other in the diagonal direction, and the mounting rail is brought into contact with the mounting surface of the electronic device between the pair of locking projections, and the pair of diagonals of the rectangle are connected. While locking the both ends of the mounting rail with the pair of locking projections by relatively rotating the mounting rail with respect to the electronic device about a position substantially corresponding to the intersection point of
The present invention relates to a mounting device for an electronic device, characterized in that the locked mounting rail is engaged with the engaging claw.

The engaging claw is integrally connected to the housing of the electronic device, and a portion of the engaging claw on the tip side is elastically deformable by a slit. The outer surface is an inclined surface, and when the mounting rail is relatively rotated with respect to the electronic device, it is pushed by the mounting rail and the engaging claws are elastically deformed to get over the rail. Good.

According to another aspect of the invention, in a device for mounting an electronic device on a long mounting rail, a pair of locking projections are arranged on the mounting surface of the electronic device with a size larger than the width of the mounting rail. In addition, an engaging claw is further provided on the mounting surface of the electronic device, the mounting rail is brought into contact with the mounting surface of the electronic device between the pair of locking projections, and an intermediate position of the pair of locking projections is provided. By rotating the mounting rail relative to the electronic device relative to the electronic device, both ends of the mounting rail are locked by the pair of locking projections, and the locked rail is fixed to the engaging claw. The present invention relates to a mounting device for an electronic device, which is characterized in that it is engaged.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to an embodiment. The present embodiment relates to an electronic device mounting apparatus for mounting various electronic devices such as a terminal block, a sequencer, a switch, a breaker, a relay, and a sensor on a mounting rail composed of a DIN rail arranged in a control panel, for example. Is.

As shown in FIG. 1, a pair of locking projections 11 and a pair of engaging claws 12 are arranged on the mounting surface of the electronic device 10 mounted on the mounting rail composed of a DIN rail. . Here, the locking projections 11 and the engaging claws 12 are located at four corners of each other, and the locking projections 11 are arranged so as to face each other in one diagonal direction of the rectangle. The locking claws 12 are arranged so as to face each other in the direction of the other diagonal line.

Here, as shown in an enlarged view in FIG. 3A, the locking projection 11 has an inverted L-shaped cross section. On the other hand, the engaging claw 12 is elastically deformable on the tip side by U-shaped slits 13 which are provided so as to surround the tip portion from both ends thereof, and the inclined surface is formed along the outer surface on the tip side. 14 is formed. Further, mounting portions 16 for directly mounting the electronic device 10 on the chassis or panel are provided so as to project outward at four corners of the electronic device 10. Mounting part 1
6 has a mounting hole 17 formed therein.
The electronic device 10 can be attached and fixed by a screw that is inserted through the electronic device 10.

On the other hand, as shown in FIGS. 2 and 3B, the mounting rail 20, which is a DIN rail to which the electronic device 10 is mounted, is a long aluminum alloy rail having a predetermined width. , 35 mm, for example. Mounting edges 21 and 22 are integrally provided on both side ends of the rail 20 so as to project laterally, and the electronic device 10 is mounted using these edges 21 and 22. I'm trying to fix it.

As described above, in this embodiment, in order to mount the electronic device 10, the mounting surface of the electronic device 10 is provided with the pair of locking projections 11 and the rotation preventing engagement claws 12. ing. The locking projection 11 is an electronic device 10.
Is fixed to the rail 20 and held, and the housing is made of a hard plastic material such as ABS resin so that the electronic device 10 does not wobble when fixed to the mounting rail 20. .

The locking projections 11 are arranged at corners on both ends of a rectangular diagonal line in a state of being displaced from the center of the bottom surface constituting the mounting surface of the electronic device 10. The distance between the pair of locking projections 11 is set to a value larger than the width of the mounting rail 20.

On the other hand, the engagement claw 12 is thin and elastically deformable as shown in FIG. 3C.
As shown in FIG. 3, the locking projections 11 and the mounting rails 20 are arranged at symmetrical positions. Such an engaging claw 1
2 is for mounting the electronic device 10 on the mounting rail 20,
The structure is such that it is pushed by the mounting rail 20 and bends as shown in FIG. 3C, and after the mounting rail 20 is completely mounted, it can be caught by the mounting rail 20 to prevent rotation.

Next, the operation of mounting the electronic device 10 having the pair of locking projections 11 and the pair of engaging claws 12 on the mounting rail 20 will be described. First, the mounting rail 20 is pressed against the mounting surface of the electronic device 10 at a predetermined angle as shown in FIG. 2A. At this time, the relationship between the mounting rail 20, the locking projection 11 and the engaging claw 12 is as shown in FIG. 3B.

Next, the electronic device 10 is moved in the direction indicated by the arrow in FIGS. 2A and 3A. At this time, the engaging claw 12 is pushed by the mounting rail 20 and bends as shown in FIG. 3C, and the tip is displaced downward starting from the base end side portion.

As shown in FIG. 2B, when the electronic device 10 is completely rotated, the mounting edges 21, 2 of the rail 20 are attached.
2 engage with the corresponding locking projections 11. As shown in FIG. 3D, the engaging claw 12 that has been bent at this time elastically returns upward, so that the catching surface 18 of the engaging claw 12 catches on the edges 21 and 22 of the mounting rail 20 for mounting. The electronic device 10 is attached and fixed to the attachment rail 10. Such a state is shown in FIG.

The electronic device 10 mounted in this way
2 is removed from the mounting rail 20, the electronic device 10 may be rotated with respect to the mounting rail 20 in a direction opposite to the rotation direction indicated by the arrow in FIG. 2A. As a result, the rail catching surface 18 of the engaging claw 12 is pushed by the mounting rail 20, and in this case also, the engaging claw 12 bends downward as shown in FIG. 3C. The electronic device 10 is removed from the mounting rail 20 by turning the locking projection 11 to a position where it does not catch the mounting edges 21 and 22 of the mounting rail 20.

The rotational force required to separate the electronic device 10 from the mounting rail 20 is the height of the catching surface 18 at the end of the inclined surface 14 of the engaging claw 12 for preventing rotation and the catching surface. Attached edge 2 of 18 mounting rail 20
It can be adjusted by the angle with respect to 1 and 22, and can be set arbitrarily.

As described above, according to the present embodiment, in order to fix the electronic device 10 to the mounting rail 20, a member for fixing the electronic device 10 to the mounting rail 20 at two positions in a diagonal direction of the surface in contact with the mounting rail 20. In addition to providing the stopper projection 11, another pair of anti-rotation engagement claws 12 are provided in the diagonal direction, and the electronic device 10 is slantedly contacted with the mounting rail 20 and then rotated.
The locking projection 11 of 0 is locked to the mounting edges 21 and 22 of the mounting rail 20, and the engaging claws 12 for preventing rotation prevent the locking projection 11 from falling off the mounting rail 20. The electronic device 10 and the mounting rail 20 are connected with one touch.

According to such a mounting device, the engaging projection 11 and the engaging claw 12 provided on the mounting surface of the electronic device 10 to the mounting rail 20 do not use any other auxiliary component. The electronic device 10 can be easily and surely fixed to the mounting rail 20, and the engagement claw 12 reliably prevents the electronic device 10 from falling off the mounting rail 20.

When it is necessary to remove the electronic device 1 from the mounting rail 20 in the direction opposite to the mounting direction.
By rotating 0 relative to the mounting rail 20
It is possible to easily remove the electronic device 10. That is, there is provided a mounting device for the electronic device 10 that can be mounted and removed with one touch and that can be reliably prevented from falling off.

In the above embodiment, a pair of locking projections 11 are provided in one diagonal direction on the four corners of the virtual rectangle of the mounting surface of the electronic device 10, and the other diagonal direction is provided. Opposing engagement claw 12
The engaging claw 1 for preventing rotation is provided.
The number 2 does not necessarily have to be two, and it is sufficient if one is provided. The positional relationship between the locking projection 11 and the rotation preventing claw 12 may be vertically or horizontally reversed from that of the above-described embodiment.

In the above-described embodiment, the electronic device 10 is taken into consideration for removal, but as shown in FIG. 5, both the locking projection 11 and the rotation preventing engagement claw 12 are made of metal, For example, a rail made of steel plate may be formed by pressing so that the rail cannot be removed.

[0027]

As described above, according to the present invention, the mounting rail is brought into contact with the mounting surface of the electronic device between the pair of locking projections, and the intermediate position of the pair of locking projections is centered on the electronic device. By rotating the mounting rail relatively, both ends of the mounting rail are locked by the pair of locking projections, and the locked rail is engaged with the engaging claws.

Therefore, according to the present invention, the electronic device can be easily and surely fixed to the mounting rail without using other auxiliary parts, and the electronic device can be reliably removed from the mounting rail by the engaging claw. Will be prevented. Therefore, it becomes possible to provide a mounting device for an electronic device that can be mounted with one touch.

[Brief description of drawings]

FIG. 1 is an external perspective view showing a mounting surface of an electronic device.

FIG. 2 is a plan view showing a coupling operation between an electronic device and a mounting rail.

FIG. 3 is an enlarged cross-sectional view of a main part showing a coupling operation between an electronic device and a mounting rail.

FIG. 4 is an external perspective view of a state in which the electronic device and the mounting rail are combined.

FIG. 5 is an enlarged cross-sectional view of a main part of a mounting portion of an electronic device according to another embodiment.

FIG. 6 is an external perspective view showing a conventional mounting structure for a mounting rail of an electronic device.

FIG. 7 is an enlarged front view of the relevant part.

FIG. 8 is a perspective view when seen from the opposite direction.

FIG. 9 is an enlarged front view of the relevant part.

[Explanation of symbols]

1 ... Electronic device, 2 ... Mounting rail (DIN rail), 3 ... Locking claw, 4 ... Edge, 5 ... Pressing bracket,
6 ... Edge, 7 ... Screw, 10 ... Electronic device, 11 ...
・ ・ ・ Locking projections, 12 ・ ・ ・ Engagement claws, 13 ・ ・ ・ Slits, 1
4 ... Inclined surface, 16 ... Mounting part, 17 ... Mounting hole,
18 ... hooking surface, 20 ... mounting rail (DIN rail), 21, 22 ... mounting edge

Claims (3)

[Claims] 1. A device for mounting an electronic device on a long mounting rail, wherein a pair of locking projections and a pair of deformable engaging claws are provided at four rectangular corner positions on the mounting surface of the electronic device. The mounting rails are arranged so as to face each other in a diagonal direction, and the mounting rail is brought into contact with the mounting surface of the electronic device between the pair of locking projections, and the position substantially corresponding to the intersection of the pair of rectangular diagonals is set. By rotating the mounting rail relative to the electronic device relative to the center, both ends of the mounting rail are locked by the pair of locking projections, and the locked mounting rail is locked by the engaging claws. A mounting device for an electronic device, characterized in that the mounting device is adapted to be engaged with. 2. The engaging claw is integrally connected to the housing of the electronic device, and a tip end side portion of the engaging claw is elastically deformable by a slit, and the tip of the engaging claw is formed. The outer surface on the side is an inclined surface, and when the mounting rail is relatively rotated with respect to the electronic device, the engaging claw is elastically deformed by the mounting rail so as to get over the rail. The mounting device for an electronic device according to claim 1, wherein the mounting device is an electronic device. 3. A device for mounting an electronic device on a long mounting rail, wherein a pair of locking projections are arranged on the mounting surface of the electronic device with a dimension larger than the width of the mounting rail, and An engagement claw is further provided on the mounting surface of the electronic device, the mounting rail is brought into contact with the mounting surface of the electronic device between the pair of locking projections, and the center of the intermediate position of the pair of locking projections is used. By rotating the mounting rail relative to an electronic device, both ends of the mounting rail are locked by the pair of locking projections, and the locked rail is engaged with the engaging claw. A mounting device for an electronic device characterized in that