JPH079049Y2 - Instrument mounting device - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to an instrument mounting device, and in particular, a so-called front mount / embedder in which various instruments are embedded in a panel such as a control panel.
The present invention relates to improvement of a mounting device for instruments suitable for a type.

[Conventional technology]

Conventionally, as a mounting device of this type, as shown in FIG. 9A, the instrument case 5 is inserted from the rear side into the mounting hole 3 provided in the panel 1 on the front side of the panel 1 as shown in FIG. 9B. The case 5 is fixed to the panel 1 on the back side of the case 1 with a mounting bracket (not shown) or the like, and then wired to the instrument body (not shown) housed in the case 5.

[Problems to be solved by the device]

However, in such a configuration in which the case 5 is inserted from the front side of the panel 1 and fixed on the back side of the panel 1, the worker 7 turns around from the front side of the panel 1 to the back side after the case 5 is inserted and fixed. Therefore, not only is the work complicated and the mounting efficiency is not good, but also the mounting bracket for fixing the panel 1 may be lost.

Further, when the back side of the panel 1 is narrow and the worker 7 cannot go around, it is necessary to open and close the panel 1,
Forcibly the worker 7 turns around the back side of the panel 1 and the case 5
It is necessary to fix the wires and wire the instruments, which not only lowers work efficiency but also complicates and enlarges the configuration.

By the way, the applicant has already proposed in Japanese Utility Model Application No. 62-38294 (Japanese Utility Model Application Laid-Open No. 63-145119) a structure in which the case 5 can be fixed from the front side of the panel 1.

Although not shown in the drawing, this configuration is "in an instrument in which the case is inserted from the rear into the mounting hole of the panel and the flange portion of the front end of the case is locked to the edge portion of the mounting hole to be fitted to the case side. An engaging hole is provided, and a sliding lock piece with a screw hole is fitted into the engaging hole from the front of the case opening, and the groove of the sliding lock piece is formed in the longitudinal direction inside the case opening. Alternatively, a lock screw passed through the small hole is screwed on, and by tightening the lock screw, the sliding lock piece is pulled toward the panel side and the front end thereof is brought into contact with the back surface of the panel. "

However, with this configuration, after inserting the case into the panel,
It is necessary to fit the sliding lock piece that temporarily locks the lock screw and then tighten the lock screw, and also to store the instruments after fixing the case to the panel, which improves the efficiency of fixing the case and instrument body. There is room for further improvement from the standpoint of raising it.

The present invention has been made under such circumstances, and the instrument case can be easily and efficiently fixed from the front side of the panel, and the instrument can be installed in the case with easy wiring. The purpose is to provide a device.

[Means for Solving the Problems]

In order to solve such a problem, the present invention forms a collar, a screw hole, a window and a rotation restraining member in a case for instruments that is inserted from the rear into a mounting hole of a panel for mounting instruments,
It has a screw inserted into the screw hole and a slide piece screwed to the screw protruding from the screw hole and having a contact surface parallel to the back side of the panel.

The collar is locked to the front side of the panel, and the screw hole is formed so as to penetrate inwardly and obliquely rearward near the flange of the case, and the window is on the rear side of the screw hole and on the side surface of the case. The slide piece is gradually pulled out from the window portion by tightening a screw and is attracted while the contact surface is slantingly translated so that the contact surface contacts the rear surface side of the panel. The panel is sandwiched between the case and the collar, and the rotation suppressing member suppresses the rotation of the slide piece.

[Action]

In the present invention equipped with such means, the case is inserted into the mounting hole on the front side of the panel by rotating the screw to push the slide piece backward and housed in the case, and the collar is brought into contact with the panel. When the screws are tightened on the front side after being contacted, the slide piece is attracted and the contact surface is moved obliquely in parallel, gradually protruding from the window part, and the contact surface and the rear surface of the panel contact each other. The panel is sandwiched between the collar and the case, and the case is fixed to the panel.

〔Example〕

 Embodiments of the present invention will be described below with reference to the drawings.

1 to 4 are a half sectional view, a front view, a side view and a perspective view of a main part showing an embodiment of an instrument mounting device according to the present invention. Note that FIG. 1 shows a half cross section between I and I in FIG.

In the figure, for example, a cylindrical case 9 having an outer shape of a rectangular column molded from a plastic material is an instrument body (not shown).
The opening 9a on one side has a brim around it.
11 are projected integrally.

Reference numeral 13 in FIG. 1 denotes a panel such as a control panel of a control device (not shown) to which the case 9 is attached, and the case 9 has an attachment hole formed in the panel 13 in a shape substantially similar to the outer shape of the case 9.
The panel 13 is inserted into the front side of the panel 13 from the rear of the case 9, and the rear side of the collar 11 is brought into contact with and locked by the front edge of the mounting hole 15 of the panel 13.

Two flanges 11 facing each other in the case 9 are formed with two screw holes 17 extending obliquely inward and rearward of the case 9, and a screw 19 is inserted into the screw hole 17 from the front side of the case 9 to the inside thereof. It is inserted so as to project. 21 is a screw
It is a recess where the head of 19 fits.

At a position corresponding to the rear side of the collar 11 and the screw hole 17 on the side surface portion 9b of the case 9, a window portion 23 extending to near the rear side of the collar 11 is formed so as to penetrate therethrough. The window portion 23 has a size and shape slightly larger than a thickness t (see FIG. 5) of a slide piece 27 described later, and the slide piece 27 is partially fitted therein.

Inside the case 9, at a position slightly rearward from the window 23, a support wall 25 is integrally projected from the side surface part 9b so as to rise obliquely toward the opening 9a of the case 9.

The screw 19 protruding from the screw hole 17 of the case 9 has a right-angled triangular prism-shaped slide piece 27 as shown in FIG.
The right-angled piece 27b (which is hidden in FIG. 5) is screwed so as to penetrate from a, and the tip of the screw 19 penetrates the support wall 25 as shown in FIGS. An E-shaped washer 29 is fitted at the tip of 19 to prevent the screw 19 from coming off the support wall 25.

The slanted surface 27a of the slide piece 27 is parallel to the back side of the panel 13, and the corner area surrounded by this slanted surface 27a and the other right-angled piece 27c is the meat of the side surface portion 9b in the window 23 of the case 9. The slide pieces 27 are restrained from rotating by being engaged so as to overlap each other by the pressure.

Therefore, when the slide piece 27 rotates in the tightening direction of the screw 19, the inclined surface 27a moves in parallel with the slide piece 27 fitted in the window portion 23 and gradually protrudes from the window portion 23 toward the panel 13 side. The inclined surface 27a is brought into contact with the back side of the panel 13 by being drawn. When the screw 19 is rotated in the opposite direction, the slide piece 27 is pushed into the case 9 while being fitted in the window 23 so as to be housed in the case 9.

In FIG. 2, the screw 19, the support wall 25 and the slide piece are shown.
27 is shown, but the slide piece 27 is not shown in FIG.

Next, an example of use of the present invention configured as described above will be described.

Insert the case 9 into the mounting hole 15 on the front side of the panel 13 while rotating the screw 19 to push the slide piece 27 backward and store it in the case 9, and mount the rear side of the brim 11 on the panel 13. It is brought into contact with the edge of the hole 15 (see FIG. 1).

Next, when the screw 19 is tightened on the front surface side of the panel 13, the slide piece 27 is pulled in so as to gradually protrude from the window portion 23 while being fitted in the window portion 23.

Therefore, as shown in FIG. 6 and FIG. 7, the inclined surface 27a of the slide piece 27 moves in parallel and abuts against the back surface of the panel 13, and the panel 1 is provided between the collar 11 and the inclined surface 27a of the slide piece 27.
3 is sandwiched and the case 9 is fixed to the panel 13.

That is, in the present invention, the slide piece 27 functions as a mounting member for the case 9, the inclined surface 27a functions as a contact surface with the panel 13, and the mounting member is provided in the case 9 in advance.

Thus, in the instrument mounting device of the present invention, the panel 13
The case 9 can be fixed by a simple operation only on the front side.

Moreover, the slide piece 27 is incorporated in the case 9,
Since the case 9 can be inserted into the panel 13 in a state where it is stored, the mounting hole 15 of the panel 13 may be simply formed in accordance with the outer shape of the case 9, and after the case 9 is inserted into the panel 13, a mounting member is attached. There is no need to mount and fix, and the case 9 can be fixed simply by inserting the case 9 into the mounting hole 15 and tightening the screw 11, so that the slide piece 27 is not lost.

Also, regarding wiring with the instrument body, if a connection case pulled out from the mounting hole 15 of the panel 13 is connected in advance to store the instrument body in the case 9 and the case 9 is fixed to the panel 13, the operator can There is no need to enter the back of panel 13 at all.

In the embodiment described above, the shape of the window portion 23 is formed to match the thickness of the slide piece 27, and the slide piece 27 is fitted into the window portion 23.
A rotation suppressing member is formed in the window portion 23 so that the slide piece 27 does not idle when the screw 19 rotates.

However, in the present invention, it is possible to separately form the rotation suppressing member of the case 9.

For example, as shown in FIG. 8, a rotation restraint plate 31 is projected from the back side of the collar 11 in parallel with the screw 19 from the rear side of the collar 9 inside the case 9, and the rotation restraint plate 31 has a slide piece.
27 and the rotation restraint plate 31 as the screw 19 rotates.
A configuration in which the slide piece 27 is moved back and forth along is also possible.

In the present invention, the outer shape of the case 9 is arbitrary, and the mounting hole 15 may be formed according to the outer shape of the case 9. Furthermore, the outer shape of the slide piece 27 can be arbitrarily selected.

Further, the present invention can be arranged at any position of the case 9, but it is preferable that the present invention is formed at a plurality of locations dispersedly.

[Effect of device]

As described above, according to the present invention, the slide piece having the contact surface parallel to the back side of the panel is inserted into the screw inserted so as to penetrate from the front side of the case having the collar toward the diagonally inner rear side of the case. The slide piece was installed inside the side surface of the case by screwing, and the slide piece was configured to be able to move forward and backward so as not to idle by the rotation of the screw. The slide piece may move in parallel and gradually protrude from the window provided on the side surface of the case so that the abutting surface abuts the back side of the panel, and the panel may be sandwiched between the slide piece and the brim of the case. it can.

Therefore, even if the worker does not go around the back of the panel,
The case can be easily fixed by simply tightening the screws provided on the case from the front side of the panel, and the wiring to the instruments attached to the case can also be done from the front side of the panel.
The work of fixing the case to the panel is easy and the fixing efficiency is also improved.

Moreover, since it is not necessary for an operator to go around the back side of the panel, it is possible to reduce the space on the back side of the panel and it is not necessary to open / close the panel, which contributes to downsizing and simplification of the device.

[Brief description of drawings]

1 to 4 are half cross-sectional views (half cross-sections along line I-I in FIG. 2) showing an embodiment of an instrument mounting device according to the present invention,
FIG. 5 is a front view, a side view and a perspective view of main parts, and FIG. 5 is a perspective view showing the screw in FIG. 1 and a slide piece screwed to the screw.
6 and 7 are a half sectional view and a side view for explaining an example of use of the mounting device of FIG. 1, FIG. 8 is a sectional view of essential parts showing another embodiment of the present invention, and FIG. It is a figure explaining the attachment device of. 1, 13 ...... Panel 3, 15 ...... Mounting hole 5, 9 ...... Case 7 ...... Worker 11 ...... Collar 17 ...... Screw hole 19 ...... Screw 23 ...... Rotation suppression member (window) 25 ...... Support wall 27 …… Slide piece 29 …… Washer 31 …… Rotation suppression member (rotation suppression plate)

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References Open 54-156542 (JP, U) Open 59-113713 (JP, U) Open 62-12818 (JP, U) Open 62- 201017 (JP, U) Actually opened 63-145119 (JP, U) Actually opened 50-30509 (JP, Y1)

Claims (1)

[Scope of utility model registration request] 1. A case for instruments, which is inserted into a mounting hole of a panel from the rear, and has a collar that is locked to the front side of the panel, and a screw that penetrates diagonally rearward inward in the vicinity of the collar. A case having a hole and a window provided on the side surface so as to be located on the rear side of the screw hole, and the screw hole from the front side of the case so as to project obliquely inward and rearward of the case. A screw inserted into the screw, a slide piece screwed to the screw and having a contact surface parallel to the back side of the panel, and a rotation restraining member formed in the case for suppressing rotation of the slide piece. The sliding piece is gradually pulled out from the window portion by tightening the screw and is drawn while moving the contact surface obliquely in parallel to bring the contact surface into contact with the rear surface side of the panel, Case A device for mounting an instrument, wherein the panel is sandwiched between the collar and the collar.