JPS5910786Y2 - Electrical equipment mounting equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a mounting device for electrical equipment, and relates to a structure for mounting, for example, a timer on a panel.

Conventionally, as a mounting device for this type of electrical equipment, for example, when mounting a recessed mounting tie to a panel,
There is a structure in which the timer is fixed with a screw using a dedicated timer that has a flange on the timer body case, and a panel mounting member with a spring action is fixed to both sides of the timer body case to attach it to the panel. A method of inserting and fixing from the surface was often used.

However, such a structure has the drawback that it is necessary to work from the inside and outside of the panel when maintaining and inspecting the timer or when installing a new one, which is complicated and requires a lot of time and personnel.

The present invention was developed in consideration of these points, and uses an adapter that is attached to the panel to easily attach and detach electrical equipment to the panel from either the front side or the back side of the panel. The present invention provides a mounting device that can be used for mounting.

Next, one embodiment of the present invention will be described based on the drawings.

Reference numeral 1 denotes a panel in which mounting holes 2 are bored.

Reference numeral 3 denotes an adapter for attaching an electrical device, such as a timer, which is inserted into the attachment hole 2 of the panel 1 from the front side and fixed thereto.

On the back side of the front step part 3a of this adapter 3, there is formed a first support surface part 4 that projects from the mounting hole 2 to the back side and supports a pair of side surfaces of a timer 31, which will be described later. Attachment holes 2 for the panel 1 are provided on both rear end sides of the surface portion 4.
An engaging piece 5 is connected to the front end of the retaining piece 5 through a spring part 6 that expands outward on both sides so that the tip is located at a position wider than the width of the panel 1. An engaging stepped portion 5a is formed on the periphery, which is engaged by the spring force of the engaging piece 5 and prevents the adapter 3 from coming off.

Reference numeral 7 denotes a second support surface portion that projects from the mounting hole 2 of the panel 1 to the back side and supports the other pair of side surfaces of the timer 31, and is projected to the back side of the front step portion 3a of the adapter 3.

A first engagement groove 8 is provided in the center of the inner surface 7a of the second support surface portion 7 from the rear edge toward the front side, and second engagement grooves 8 are provided on both sides of the first holding groove 8. A second holding groove 9 is provided on the inner surface 7a of the support surface portion 7.

A third holding groove 10 is provided on the outer surface 7b of the second support surface part 7, located between the first and second holding grooves 8 and 9, in parallel from the rear end edge toward the front side. A tapered surface 11 with a downward slope toward the edge is formed on the rear edge side of this third holding groove 10, and a square hole-shaped lock {L
12 is shaped.

Further, a window hole 3b is formed on the front surface of the adapter 3 to hold the front periphery of the timer 31 and expose the operating section.

Reference numeral 21 denotes a clamp spring as a holding body formed with a spring member, and a first retaining groove 8 fitted in the first retaining groove 8 of the second support surface portion 7 of the adapter 3 is provided on the front end side of the clamp spring 21. a holding piece 22 , and a second holding piece 2 that is located on both sides of the first holding piece 22 and fits into the second holding groove 9 .
3. These first and second holding pieces 22. 23, the clamp fin has a step between the first and second holding grooves 8, 9 and the third holding groove 10 in the plate thickness direction of the spring 21, and a third holding groove 10 that fits into the third holding groove 10. A holding piece 24 is formed, and a locking piece 25 is bent at the tip of the third holding piece 24 so as to be locked in the locking hole 12 of the third holding groove 10. There is.

The clamp spring 21 then holds its first, second and third holding pieces 22, 23, 24 against the second support surface 7.
The adapter 3 is attached by fitting into the first, second, and third holding grooves 8, 9, and 10 of the adapter 3, and clamping the second support surface portion 7 of the adapter 3.

Reference numeral 26 denotes a bent locking portion provided at the other end of the clamp spring 21 and locking the timer 31 at the rear end edge 34.

The timer 31 as the electric device faces the window hole 3b of the adapter 3 with its front end face provided with a volume 32 for adjusting the timer one hour as an operation part, and the front periphery faces the window hole 3b.
The first and second support surfaces 4, 7 are secured to the inner peripheral edges of the
inserted and held in between.

A timer terminal 33 is provided on the rear end surface of the timer 31.

The rear end edge 34 of this timer 31 is locked by the bent locking portion 26 of the clamp spring 21 and fixed to the adapter 3.

Next, the attachment of the timer 31 to the panel 1 will be explained.

First, when installing the timer 31 from the back of the panel 1, first insert the adapter 3 into the mounting hole 2 provided in the panel 1.
Attach to.

Insert the first and second support surface parts 4 and 7 of the adapter 3 into the mounting hole 2 provided in the panel 1 from the front side, and attach the periphery of the front step part 3a of the adapter 3 to the front periphery of the mounting hole 2. to lock.

At this time, since the width between the tips of both retaining pieces 5 is wider than the width of the attachment hole 2, the first support surface part 4 is inserted while deforming with its elasticity.

When it is inserted to a certain depth, the insertion is regulated by the front step 3a, and the retaining piece 5 returns to its original state due to the spring force, and the engagement step 5a engages with the inner periphery of the mounting hole 2. Attachment of the mating adapter 3 to the panel 1 is completed.

Here, the adapter 3 is sufficiently fixed to the panel 1 by clamping the panel 1 between the engagement step portion 5a and the front step portion 3a of the engagement piece 5 at both ends of the first support surface portion 4.

To attach the clamp spring 21 to the adapter 3 attached to the panel 1, the first and second holding pieces 22, 23 and the third holding piece 24 of the clamp spring 21 are attached to the second support surface 7. are located at the rear ends of the first and second retaining grooves 8 and 9 and the third retaining groove 10, and the retaining groove 8
, 9. This is done by inserting it to the back of 10.

Here, since the engagement step portion 5a of the third holding groove 10 is formed with the tapered surface 11, the third holding piece portion 24
Despite the presence of the locking piece 25 shaped like this, it can be easily inserted.

When the insertion is done to a predetermined depth, the third holding piece 2
The locking piece 25 of No. 4 is locked in the locking hole 12 of the third holding groove 10, and the attachment of the clamp bower 21 to the adapter 3 is completed.

In this way, the timer 31 is attached to the mounting device consisting of the adapter 3 and the clamp spring 21 set on the panel 1.
When installing the first and second support surfaces 4,
Volume 32 of timer 31 to the space formed in 7
Insert from the front side where the

Here, the timer 31 is inserted with its sides supported by the first and second support surfaces 4 and 7, and when the insertion reaches a certain depth, the timer 31 is inserted into the window hole of the front step 3a of the adapter 3. The front periphery of the timer 31 is secured to the inner periphery of the holder 3b.

Then, with the bent locking part 26 of the clamp spring 21, the edge 34 of the other side of the timer 31 where the timer terminal 33 is located
By locking the timer 31, the timer 31 is fixed to the adapter 3.

This completes the attachment of the timer 31 to the panel 1.

Furthermore, the timer 31 can be easily attached and detached during maintenance and inspection by engaging and disengaging the bending locking portion 26 of the clamp spring 21 and the edge 34 of the timer 31 at the back side of the panel 1. can.

In this embodiment, a timer is shown as an electrical device to be attached to the panel, but the present invention is not limited to this, and relays and other electrical devices can also be attached.

Further, the holding groove can be provided not only in the second support surface but also in the first support surface.

As described above, according to the present invention, the adapter, which is attached to a panel and inserts and holds the front end of an electrical device such as a timer, has a spring plate that locks the other end of the electrical device and fixes it to the adapter. The body can be fixed with one touch, and the timer can be installed from the front or back side of the panel, and all maintenance and inspection of the timer can be done from the back side of the panel. Therefore, during maintenance and inspection work, it is sufficient to have one person stationed on the back side of the panel, which can greatly contribute to reducing labor costs during actual handling.

In addition, by providing an engagement groove with a locking hole on the outer surface of the support surface, even if the holder is expanded when installing an electrical device using a timer, etc., the locking piece of the holding piece will not come out of the locking hole of the holding groove. It will not be released and there is no risk that the holding body will fall off from the adapter.

[Brief explanation of drawings]

The figure shows an embodiment of the mounting device of the present invention.
Fig. 1 is an external perspective view of the mounting device attached to the panel, Fig. 2 is an external perspective view showing its main parts, Fig. 3 is a side view of the mounting device with the timer attached, and Fig. 4 is its external appearance. FIG. 1...Panel, 2...Mounting hole, 3.
...Adapter, 3b...Window hole, 4...
...First support surface portion, 5...Engagement piece, 7...
...Second support surface portion, 8, 9.10... Holding groove, 12... Locking hole, 21... Clamp spring as holding body, 22 ,23.24...
・Holding piece, 25... Locking piece, 31...
・Timer as an electrical device

Claims (3)

[Scope of utility model registration request] (1) An adapter that is removably attached to a mounting hole of a panel from the front side, has a window hole formed on the front side, and has at least a pair of opposing support surface parts that protrude from the mounting hole to the back side, and this adapter an electrical device that is detachably attached to the back side of the adapter and held on the front side by the periphery of the window hole; and a holder having a spring plate that is attached to the support surface of the adapter and holds the back side of the electrical device. Consisting of
Forming a plurality of holding grooves in the front and back direction on the inner and outer surfaces of the support surface portion of the adapter, the positions of which are changed from each other, and forming a locking hole in the front end of at least one of the plurality of holding grooves, The holding body is formed with a holding piece that engages with each of the holding grooves and clamps the support surface portion, and at least one of these holding pieces has a lock that is locked in the locking hole. A mounting device for electrical equipment characterized by having a piece shape. (2) A mounting device for an electrical device according to claim 1, wherein a locking hole is provided in a holding groove formed on the outer surface of the support surface portion of the adapter. (3) A first support surface portion in the form of a retaining piece and a second support surface portion in the form of a retaining groove are protruded from the inside of the adapter, respectively, and are located at the inner periphery of the mounting hole of the panel. Claims 1 or 2 of claims for utility model registration characterized by
Mounting devices for electrical equipment as described in Section 1.