JP7123995B2 - Manual operation part of signal controller - Google Patents

Description

TECHNICAL FIELD The present invention relates to a manual operation unit provided inside a housing of a signal controller for controlling a signal lamp device and having a case for housing a manual switch that can be taken out from the housing.

Conventionally, signal controllers have been installed at intersections, for example, as disclosed in Patent Document 1, and automatically control the lighting of signal lamps at cycles according to a predetermined program, and control traffic control centers. Although the period can be changed according to the actual traffic volume by the communication, it is configured so that it can be manually operated as necessary.

For manual operation of the signal controller, for example, a manual switch that can be taken out of the housing is generally provided inside an outer door for opening and closing the opening of the housing of the signal controller. Manual switches are used to manually operate the indication (indication status of each signal light) instead of automatic control, and are normally detachably attached with magnets inside a case provided inside the outer door. rice field. Here, the case, outer door, and housing were made of sheet metal with magnets attached.

JP 2006-221497 A

In conventional signal controllers, in order to reduce weight and cost as much as possible, it was necessary to integrally mold the case containing the manual switch from resin instead of sheet metal. However, if the case is made of resin, the manual switch cannot be attached easily with a magnet.

The present invention has been made by paying attention to the problems of the prior art as described above, and it is possible to reduce weight and cost, and moreover, it is possible to easily attach a manual switch with a simple structure. It is an object of the present invention to provide a manual operation unit for a signal controller that

In order to achieve the aforementioned objects, one aspect of the present invention is
In a manual operation unit that is provided inside a housing of a signal controller that controls a signal lamp and includes a case that houses a manual switch that can be taken out of the housing,
A mounting plate provided along the inner wall of the case and detachably mounting the manual switch,
At least one of the case and the mounting plate is provided with temporary fixing means capable of temporarily fixing when the mounting plate is aligned with the inner wall of the case ,
The temporary fixing means
An insertion groove provided on the inner wall of the case and an insertion piece provided on the lower edge of the mounting plate,
The mounting plate can be temporarily fixed to the inner wall of the case by inserting the insertion piece into the insertion groove from above,
A stepped portion is provided on the inner wall of the case along an extension line of the lower edge of the insertion groove and on which the lower edge of the mounting plate is placed .

According to the manual operation section of the signal controller according to the present invention, it is possible to reduce weight and cost, and moreover, the manual switch can be easily attached with a simple configuration.

FIG. 4 is a perspective view showing the inside of the manual operating section according to the embodiment of the present invention; FIG. 5 is an explanatory view showing a state before attaching a mounting plate to the case in the manual operation section according to the embodiment of the present invention; FIG. 5 is an explanatory diagram showing a positioning state when attaching a mounting plate to a case with the manual operating portion according to the embodiment of the present invention; FIG. 5 is an explanatory view showing a state after the mounting plate is attached to the case by the manual operating portion according to the embodiment of the present invention; FIG. 4 is a front view showing the inside of the case of the manual operating unit according to the embodiment of the present invention; FIG. 6 is a cross-sectional view taken along line AA of FIG. 5; FIG. 4 is a front view showing a mounting plate of the manual operating section according to the embodiment of the present invention; FIG. 4 is a right side view showing the mounting plate of the manual operating section according to the embodiment of the present invention; It is a perspective view showing a signal controller concerning an embodiment of the present invention. FIG. 3 is an exploded perspective view showing a manual operating portion according to an embodiment of the related invention; FIG. 4 is a front view showing the inside of the case of the manual operating unit according to the embodiment of the related invention; FIG. 4 is a front view showing a state in which a sheet metal is attached to the case of the manual operation unit according to the embodiment of the related invention; FIG. 4 is a front view showing a state in which a sheet metal and a label are attached to the case of the manual operation unit according to the embodiment of the related invention;

Hereinafter, embodiments representing the present invention will be described based on the drawings.
1-9 illustrate one embodiment of the present invention.
The signal controller 10 according to the present embodiment mainly controls the lighting operation and the like of each signal lamp device installed at an intersection or the like. In addition, the detailed description of the already well-known matters regarding the signal controller 10 will be omitted as appropriate.

<Overview of Signal Controller 10>
As shown in FIG. 9, the signal controller 10 includes a box-shaped housing 11 that is elongated in the vertical direction. Internal mechanisms such as a control board and a power supply unit are housed. The housing 11 is made of metal such as sheet metal, and has a large opening on the front side.

On the front side of the housing 11, an outer door 12 covering the opening and an inner door 13 inside thereof are provided so as to be able to be opened and closed. The inner door 13 is divided into upper and lower halves in a state of being accommodated in the inner frame of the opening. Can be opened with the ends facing forward.

The outer door 12 is formed in a rectangular plate shape overlapping the outer frame of the opening of the housing 11, one side end of which is connected to one side end of the opening of the housing 11 via a hinge, and rotates around the hinge. The other side end can be opened forward. The outer door 12 is provided with a locking mechanism 14 that can be locked. A manual operation unit 20 is provided inside the outer door 12 .

The manual operation unit 20 is for manually operating the signal lights instead of automatic control. The manual operation unit 20 is configured to be operated from the outside through a window (not shown) opened in the outer door 12 even when the outer door 12 is closed. The window is normally closed with a lockable lid.

<Manual operation unit 20>
As shown in FIG. 1, the manual operation unit 20 includes a manual switch 30 that can be taken out to the outside of the outer door 12 through the window, and a case 21 that houses the manual switch 30. As shown in FIG. The manual switch 30 consists of a push button shaped to be gripped and operated by the operator, and a push-operated button-shaped mover 32 is provided on the upper end of a substantially cylindrical grip body 31 so as to be retractable. The manual switch 30 can manually advance the steps (stairs) of the signal lamp by pushing the mover 32 .

A magnet 33 having a planar portion extending parallel to the axial direction is provided at one end of the outer periphery of the grip body 31 . With this magnet 33, the manual switch 30 can be detachably attached to the inner wall of the case 21 to be described later by magnetic force. The lower end of the grip body 31 is connected to an internal mechanism via an extendable spiral cord 34 so as to output an operation signal.

<<Case 21>>
The case 21 is formed in a shallow box shape with an open front side. The case 21 is fixed inside the outer door 12 so that the opening on the front side matches the window. Therefore, the inside of the case 21 can be seen from the outside of the outer door 12 by opening the window. The manual switch 30 is detachably attached to the rear portion 22 forming the main portion of the inner wall of the case 21, and can be taken out through the window and operated.

As shown in FIGS. 5 and 6, the case 21 has an upper surface portion 23, a lower surface portion 24, and both side portions 25 and 26 as peripheral walls rising at a predetermined height from the four sides of the back portion 22 forming the main inner wall. . Flanges 23 a and 24 a for fixing to the inner side of the outer door 12 are extended from the upper surface portion 23 and the lower surface portion 24 . A small box-shaped storage section 27 with an open front side is integrally provided in one side section 25 in order to store various switches 35 and 36 other than the manual switch 30 .

The inside of the housing portion 27 is partially partitioned by partition walls, and an operation changeover switch 35, a current changeover switch 36, and a connector 37 for connecting the cord 34 of the manual switch 30 (the proximal end of the connector 37) are provided for each partitioned space. side) etc. are stored. The case 21 as described above, including the storage portion 27, is integrally formed of resin.

Since the case 21 is molded from resin, the magnet 33 of the manual switch 30 cannot be attached to the back surface portion 22 as it is. Therefore, a mounting plate 40 for attaching the magnet 33 is provided along the inner wall of the back portion 22 . Here, in this embodiment, the mounting plate 40 also serves as a "display nameplate" on which operation instructions for the manual switch 30 and the various switches 35 and 36 are written in characters, pictograms, or the like.

<< Mounting plate 40 >>
As shown in FIGS. 7 and 8, the mounting plate 40 is made of a thin rectangular flat plate made of sheet metal such as iron, which is a magnetic material to which the magnets 33 are attached. The size of the mounting plate 40 is set to such an extent that it is possible to secure a space around the place where the manual switch 30 is mounted so that characters, etc., can be written as a display nameplate. It should be noted that the notations such as characters on the mounting plate 40 may be directly printed or may be attached with a separately printed label.

On the surface of the mounting plate 40, specifically, for example, at a position where the manual switch 30 is mounted, "manual push button mounting position" is written inside the edging of the shape. The mounting plate 40 is arranged adjacent to the housing portion 27 on the rear surface portion 22. On the surface of the mounting plate 40, on the right side of the "manual push button mounting position" in front view, and vertically on the side thereof. It also describes the operation of various switches 35 and 36 lined up in .

Incidentally, at a position on the surface of the mounting plate 40 where the mover 35a of the operation changeover switch 35 overlaps, if the switch 35 is used to switch the operation, if the mover faces downward, the normal automatic mode is set. An explanation is given that if the manual switch 30 is turned upward, it switches to a manual mode in which the manual switch 30 can be operated.

In addition, on the surface of the mounting plate 40, at the position where the mover 36a of the display changeover switch 36 overlaps, the display (display status of each signal light device) by this switch 36 can be switched if the mover is facing downward. , is a normal standard mode, and if the mover is turned upward, it is switched to a so-called special I mode. On the left side of the "manual push button attachment position" in front view, there is also a note to the effect that after the manual operation of the manual switch 30 is completed, the operation changeover switch 35 is returned to the original automatic mode.

<<Temporary fixing means>>
Such a mounting plate 40 is provided along the inner wall of the back surface portion 22 of the case 21. When the mounting plate 40 is aligned along the inner wall of the back surface portion 22, it is provided with a temporary fixing means that can be temporarily fixed. there is The temporary fixing means is provided on at least one of the case 21 and the mounting plate 40. The temporary fixing means according to the present embodiment includes the insertion groove 221 provided on the back surface portion 22 of the case 21 and the above-mentioned and an insertion piece 41 provided on the lower edge of the mounting plate 40 .

In the temporary fixing means according to the present embodiment, by inserting the insertion piece 41 into the insertion groove 221 from above, the mounting plate 40 can be temporarily fixed to the back surface portion 22 of the case 21 so as not to fall. Designed. Here, as shown in FIGS. 7 and 8, the insertion piece 41 is formed in the shape of a tongue extending rectangularly along one end side of the lower edge of the mounting plate 40 .

Further, as shown in FIGS. 2 and 3, the rear portion 22 of the case 21 is formed with a concave portion 224 that matches the size, shape or thickness of the mounting plate 40 . The concave portion 224 is a portion for connecting the reference surface of the inner wall of the back surface portion 22 and the surface of the mounting plate 40 on the same plane. Therefore, the mounting plate 40 fits into the recess 224 with its lower edge resting on the lower edge of the recess 224 . The recessed portion 224 is displaced parallel to the rear side of the rear surface as it is, and the recessed portion 224 has the same plate thickness as the other portions of the back surface portion 22 .

Specifically, the insertion groove 221 opens horizontally along a corner on one side of the lower end of the recess 224 . A stepped portion 223 extending along the lower edge of the recess 224 and along an extension line of the lower edge of the insertion groove 221 is provided immediately below the insertion groove 221 . The stepped portion 223 is formed by the upper edge of the pedestal portion 222 which is provided one step higher along the lower edge of the recessed portion 224 in parallel with the reference plane of the inner wall of the back surface portion 22 . Therefore, the lower edge of the mounting plate 40 is placed on the bottom surface having a depth corresponding to the combination of the lower edge of the recess 224 and the stepped portion 223 .

As shown in FIG. 6, the pedestal portion 222 is displaced in parallel to the front of the rear surface as it is, in contrast to the recessed portion 224. It's becoming In this way, the insertion groove 221 is opened at the boundary between the pedestal portion 222 shifted in parallel to the front of the back surface with respect to the reference plane of the inner wall of the back portion 22 and the recessed portion 224 shifted in parallel to the rear of the back surface. there is Therefore, the opening of the recess 224 is designed to face up and down.

<About the operation of the manual operation unit 20>
Next, operation of the manual operation unit 20 in the signal controller 10 according to this embodiment will be described.
A case 21, which is the main component of the manual operation unit 20, is integrally formed of resin.

By molding the case 21 from resin, not only is it possible to reduce the weight compared to conventional sheet metal, but even complex shapes can be easily integrally molded with a mold, making mass production possible. , the cost can be significantly reduced. If the case 21 is molded with resin, the manual switch 30 cannot be attached easily with the magnet 33. - 特許庁Therefore, by forming the mounting plate 40 from a magnetic material to which the manual switch 30 can be attached and detached by magnetic force, the magnet 33 of the manual switch 30 can be attached and detached even within the case 21 made of resin.

In order to provide the mounting plate 40 on the rear surface portion 22 of the case 21, first, as shown in FIG. The insertion piece 41 at the lower end of the mounting plate 40 is brought close to the insertion groove 221 in the rear surface portion 22 by facing the downwardly inclined state. Then, as shown in FIG. 3, the insertion piece 41 is inserted obliquely into the insertion groove 221 from above while maintaining the inclination angle of the mounting plate 40 as it is.

Then, the mounting plate 40 can be temporarily fixed so as not to fall off in a self-sustaining state in a direction obliquely crossing the back surface portion 22 of the case 21 . At this time, as shown in FIG. 4, the mounting plate 40 is fitted into the concave portion 224 in the back surface portion 22 with the base of the insertion piece 41 (the portion that abuts against the inner peripheral edge of the insertion groove 221) as a fulcrum. It can swing forward. The mounting plate 40 positioned in this manner can be easily fixed to the concave portion 224 using, for example, double-sided tape or adhesive, without using screws or the like.

<Structure and effect of the present invention>
Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments. The present invention derived from the above-described embodiment will be described below.

[1] First, the present invention is
In a manual operation unit 20 including a case 21 that is provided inside a housing 11 of a signal controller 10 that controls a signal lamp and that houses a manual switch 30 that can be taken out of the housing 11,
A mounting plate 40 provided along the inner wall of the case 21 and detachably mounting the manual switch 30,
At least one of the case 21 and the mounting plate 40 is provided with temporary fixing means capable of temporarily fixing the mounting plate 40 along the inner wall of the case 21 .

According to the manual operation unit 20 of the signal controller 10, when the mounting plate 40 is provided on the inner wall of the case 21, the mounting plate 40 can be temporarily fixed to the inner wall of the case 21 by the temporary fixing means. Therefore, even in a limited space in the case 21, the positioning and accuracy for fixing the mounting plate 40 are facilitated, and the mounting work of the mounting plate 40 can be easily performed.

[2] In addition, in the present invention,
The case 21, including its inner wall, is molded from resin,
The manual switch 30 comprises a magnet 33,
The mounting plate 40 is characterized by being made of a magnetic material that allows the manual switch 30 to be attached and detached by magnetic force.

As described above, by molding the case 21, which is the main component of the manual operation unit 20, entirely of resin, it is possible not only to reduce the weight of the case 21 compared to the conventional sheet metal construction, but also to eliminate the need for a complicated shape. can be easily integrally molded with a mold, mass production is possible, and the cost can be greatly reduced.

Furthermore, as described above, if the case 21 is molded from resin, the manual switch 30 cannot be attached easily with the magnet 33 . Therefore, the magnet 33 of the manual switch 30 can be attached and detached even within the case 21 made of resin by forming the mounting plate 40 from a magnetic material that allows the manual switch 30 to be attached and detached by magnetic force. Here, the mounting work of the mounting plate 40 can be easily performed by the above-described temporary fixing means.

For example, it can be optimally applied when the manual switch 30 is attached using a magnet in accordance with the regulations of the signal controller 10 or the like. Of course, the manual switch 30 can be freely attached to the outer door 12 of the signal controller 10 as well as to the mounting plate 40 inside the case 21 by the magnet 33 .

[3] In addition, in the present invention,
The temporary fixing means consists of an insertion groove 221 provided on the inner wall of the case 21 and an insertion piece 41 provided on the lower edge of the mounting plate 40,
The mounting plate 40 can be temporarily fixed to the inner wall of the case 21 by inserting the insertion piece 41 into the insertion groove 221 from above.

The insertion piece 41 and the insertion groove 221 having such a simple structure can realize temporary fixing means, and even with a simple structure, temporary fixing can be performed reliably and easily. The specific structure of the insertion groove 221 may be a through hole or a recess with a bottom.

[4] Also, in the present invention,
The temporary fixing means is provided along the extension line of the lower edge of the insertion groove 221 on the inner wall of the case 21 and has a stepped portion 223 on which the lower edge of the mounting plate 40 is placed.

With such a stepped portion 223, the mounting plate 40 can be positioned at a more accurate position, and can be temporarily fixed more reliably.

[5] In addition, in the present invention,
A concave portion 224 matching the size, shape or thickness of the mounting plate 40 is formed in the inner wall of the case 21 so that the reference surface of the inner wall of the case 21 and the surface of the mounting plate 40 are aligned on the same plane. characterized by

Due to such a concave portion 224 , the mounting plate 40 does not create unnecessary unevenness on the inner wall of the case 21 , and the mounting plate 40 can be securely fitted to the concave portion 224 . Furthermore, the lower end (bottom surface) of the recess 224 can also be used as a structure on which the lower end of the mounting plate 40 can be placed.

<Related inventions>
10 to 13 show embodiments according to related inventions of the present invention.
A manual operation unit 20A according to this embodiment basically has the same configuration as the manual operation unit 20, but a mounting plate 42 is significantly different from the mounting plate 40. As shown in FIG. Parts of the same type as those of the above-described embodiment are denoted by the same reference numerals, and redundant explanations are omitted.

As shown in FIG. 10, a mounting plate 42 to which the manual switch 30 can be attached and detached by the magnetic force of a magnet 33 is provided on the rear surface portion 22 of the case 21 of the manual operation portion 20A. The mounting plate 42 is made of a rectangular plate that is considerably smaller than the mounting plate 40 , and is provided in a size and shape that approximately match the size of the planar portion of the magnet 33 . A recess 225 that matches the size, shape, or thickness of the mounting plate 42 is formed in the rear portion 22 of the case 21 .

The mounting plate 42 does not serve also as a display nameplate, but is only for attaching the magnet 33 . As shown in FIG. 13, various information required for the display nameplate is written on the surface of a separate label 50. As shown in FIG. The back surface of the label 50 is, for example, a sticker, which is attached to the surface of the mounting plate 42 and the surrounding inner wall of the back surface portion 22 while covering the mounting plate 42 attached to the recess 225 . The mounting plate 42 itself may also be configured to be attached to the recess 225 separately from the label 50 .

<Structure and effect of related invention>
The following related inventions are derived from the embodiments shown in FIGS.
That is, in a manual operation unit 20A provided inside a housing 11 of a signal controller 10 for controlling a signal lamp device and provided with a case 21 housing a manual switch 30 that can be taken out of the housing 11,
a mounting plate 42 provided along the inner wall of the case 21 and detachably mounting the manual switch 30 by magnetic force;
and a label 50 that is attached along the inner wall of the case 21 while covering the mounting plate 42 and on which various information is written.

Although the embodiments have been described above with reference to the drawings, the specific configurations are not limited to these embodiments, and any changes or additions that do not depart from the gist of the present invention are included in the present invention. For example, in addition to the signal controller 10, the specific shapes of the manual operation unit 20, the manual switch 30, the mounting plate 40, etc. are not limited to those illustrated.

Further, the temporary fixing means according to this embodiment is configured by providing the insertion groove 221 on the inner wall of the case 21 and providing the insertion piece 41 on the lower edge of the mounting plate 40, but as another configuration, for example, the case 21 Only on the inner wall, the lower edge of the mounting plate 40 is held as it is to provide a structure capable of being temporarily fixed, or conversely, only on the back side of the mounting plate 40, it is possible to temporarily fix it to the inner wall of the case 21 by adhesive force or the like. It is also conceivable to configure Of course, attachment of the manual switch 30 is not limited to the magnetic force of the magnet.

INDUSTRIAL APPLICABILITY The present invention can be widely applied to signal controllers for controlling signal lamps.

DESCRIPTION OF SYMBOLS 10... Signal controller 11... Case 12... Outer door 13... Inner door 20... Manual operation part 21... Case 22... Back part 221... Insertion groove 222... Base part 223... Step part 30... Manual switch 31... Grip body 32... Mover 33... Magnet 40... Mounting plate (display name plate)
41... insert piece

Claims (3)

In a manual operation unit that is provided inside a housing of a signal controller that controls a signal lamp and includes a case that houses a manual switch that can be taken out of the housing,
A mounting plate provided along the inner wall of the case and detachably mounting the manual switch,
At least one of the case and the mounting plate is provided with temporary fixing means capable of temporarily fixing when the mounting plate is aligned with the inner wall of the case ,
The temporary fixing means
An insertion groove provided on the inner wall of the case and an insertion piece provided on the lower edge of the mounting plate,
The mounting plate can be temporarily fixed to the inner wall of the case by inserting the insertion piece into the insertion groove from above,
A manual operation unit for a signal controller , comprising a stepped portion provided on an inner wall of the case along an extension line of a lower edge of the insertion groove and on which the lower edge of the mounting plate is placed . The case, including its inner wall, is molded from resin,
The manual switch comprises a magnet,
2. The manual operating portion of a signal controller according to claim 1 , wherein said mounting plate is made of a magnetic material that allows said manual switch to be attached and detached by magnetic force. A concave portion matching the size, shape or thickness of the mounting plate is formed in the inner wall of the case, and the reference surface of the inner wall of the case and the surface of the mounting plate are aligned on the same plane. 3. The manual operation unit of the signal controller according to claim 1 or 2.

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