JP2920748B2 - Foldable variable sign - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a notice or warning for giving various notices and warnings such as a road sign and an advertisement sign, wherein the sign is formed as a curtain and the frame is folded. The present invention relates to a foldable variable sign that can include a sign curtain.

[0002]

2. Description of the Related Art As a conventional road sign, a metal sign plate on which various regulatory signs and warning signs are described is attached to a support, and this sign is used, for example, on a guardrail in front of a road construction section. It was attached to a pole to give a notice or warning to the driver of the car.

[0003]

In the above-mentioned conventional road sign, if the sign is to be temporarily installed so as to announce the road work, the sign is installed before the road work is performed. When the construction was completed, the sign was to be removed, so it was necessary to carry a heavy and large metal plate sign across the road to the median strip.

Also, in order to notify the driver from the start to the end of the construction, a large number of signs of various kinds of symbols must be installed from just before the construction section, and the installation and collection of the signs becomes very complicated. was there.

[0005] In order to solve the above problems, it is conceivable to install a multi-variable sign for construction notice at a pitch of 500 m along the road. However, a variable sign having a size corresponding to the size of the road sign is considered. There is a problem that the installation of the road significantly impairs the scenery of the road.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and has as its object to display a required sign by unifying a plurality of signs and a frame without the sign, and to fold the sign. The purpose is to provide a foldable variable sign that does not impair the road landscape.

[0007]

SUMMARY OF THE INVENTION A foldable variable marker according to the present invention achieves the above-mentioned object, and includes a slider slidably mounted on a support, and a slider.
A pair of roll support frames that expand or contract in the left-right direction by moving the slider up and down; a supply roll and a take-up roll around which a sign curtain rotatably mounted on the roll support frame is wound; A rotation drive mechanism for rotating the take-up roll in a direction in which the sign curtain is taken up.

In addition, a motor is mounted on the support, the slider is moved up and down by the motor, and a motor is mounted on the roll support frame, and the winding roll is rotated by the motor to wind up the sign curtain. In addition, it is preferable that a rotation preventing means such as an electromagnetic brake or an electromagnetic clutch for preventing rotation of the supply roll and the take-up roll be attached to the roll support frame.

Further, the sign curtain is provided with a mark for recognizing a specific sign of the plurality of signs and a mark for recognizing a display position, and a position detection for detecting these marks. It is desirable to install a vessel.

[0010] A sign curtain on which a plurality of signs are displayed, and a non-display portion is formed between the signs, and a pair of rolls to which a rotational force is applied in a direction in which the sign curtains are wound around each other. A roll support frame that supports the roll and can be narrowed or widened, and lock means that can lock the roll so that it cannot rotate with respect to the roll support frame.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a foldable variable sign according to the present invention will be described below with reference to the drawings. Figures 1-8 show a first embodiment 1 is fixedly installed struts via a mounting bracket B to the post A ₁ guardrail A laid highway or the like.

Reference numeral 2 denotes a mounting bracket 1a below a rear portion of the column 1.
The output shaft of the motor 2 is formed by a screw rod 2a. 3 is the column 1
A nut 3a to which the screw rod 2a is screwed is fixed as a slider which is slidably inserted into the slider. One end of a pair of link rods 4 is pivotally supported on the opposite side of the slider 3 to which the nut 3a is fixed.

Reference numeral 5 denotes a pair of first horizontal rods slightly supported by the column 1 slightly above the slider 3, and the tip of the link rod 4 is pivotally supported at substantially the center of the horizontal rod 5. . One end of a pair of second horizontal rods 6 is pivotally supported above the column 1. Roll support frames 7, 8 are pivotally supported at the tips of the first and second horizontal rods 5, 6, respectively.

Therefore, when the motor 2 is driven from the state shown in FIGS. 2 and 3 and the screw rod 2a rotates in the direction for moving the nut 3a downward, the slider 3 descends and the horizontal rod 5 via the link rod 4. Are displaced in a C-shape with the shaft fulcrum with the support 1 as a fulcrum, and displace the roll support frames 7 and 8 inward and downward. When the roll support frames 7 and 8 are displaced, the horizontal rod 6 is also displaced in a U-shape like the horizontal rod 5 and is folded into the state of FIGS. 7 and 8 via the state of FIG.

When the motor 3 is rotated in the direction opposite to the above-mentioned direction from this state, the slider 3 moves up, so that the horizontal rod 5 is displaced in the horizontal direction via the link rod 4, and 2 and 3 via the state, and the gap between the roll support frames 7 and 8 is widened while rising.

Reference numeral 9 denotes a supply roll whose both ends are rotatably supported by the roll support frame 7 and has a spring built therein to constantly apply a rotational force in a counterclockwise direction in FIG. That is, the sign curtain 10 described later is always spring-biased in a direction of winding up.

Reference numeral 10 denotes a roll supporting frame 7 as shown in FIGS.
The sign reel 10 is displayed on the supply reel 9 in a state where characters and designs representing one road sign are displayed by printing (for example, seven types) in a state where the sign 8 is spread.

Reference numeral 11 denotes a take-up reel rotatably supported by the roll support frame 8, and a drawing end of the sign curtain 10 is fixed to the take-up reel. Reference numeral 12 denotes a motor fixed to a frame 8a attached to the lower end of the roll support frame 8, and a gear 12a is fixed to an output shaft of the motor. The gear 12a is meshed with the gear 11a fixed to the lower end of the winding roll 11. Note that the motor 12, the gear 12a, and the gear 11a constitute a rotation drive mechanism of the winding roll 11.

Reference numeral 13 denotes a rotation preventing means comprising electromagnetic solenoids fixed to the frames 7a, 8a attached to the roll supporting frames 7, 8, respectively.
3a is retracted. 14 is a supply roll 9
And a stopper disk fixed to the lower end of the take-up roll 11, a large number of recesses 14a are formed on the outer peripheral surface. The distal end of the movable iron core 13a of the electromagnetic solenoid 13 enters the concave portion 14a.

When the tip of the movable core 13a enters the concave portion 14a, the supply roll 9 and the take-up roll 11 do not rotate unnecessarily, and the electromagnetic solenoid 13 is energized to attract the movable core 13a to cut the tip. When detached from the concave portion 14a, the supply roll 9 and the take-up roll 11 become rotatable.

Reference numeral 15 denotes a position detector such as an optical sensor or a proximity sensor fixed to the frame 9a via a support plate 15a, and detects a sign recognition and a display position mark formed on the back surface of the sign curtain 10. . In other words, the position detector 15 detects the sign indicating the sign contents of the sign curtain 10 and the display (stop) position when the sign curtain 10 is opened.

In FIG. 1, reference numeral 16 denotes a light receiver for receiving light from a remote controller, and 17 denotes a motor, when the light receiver 16 receives light from the remote controller, the motors 2, 12, the electromagnetic solenoid 13, and the position detector 15 Is a control box for controlling the The remote control may be performed by radio waves instead of light. Further, in FIG.
Is a stopper rod for bringing the horizontal rod 6 into contact with the roll supporting frames 7 and 8 in the folded state so as to maintain the parallel state.

Next, the operation based on the above-described configuration will be described. First, from the state of being folded as shown in FIGS.
The operation of expanding the sign curtain 10 will be described. First, when the foldable variable sign of the present invention is installed in the median strip of the highway, move the car to the roadside zone before the place where the foldable variable sign is installed, By operating the remote controller, a desired sign signal is transmitted to the light receiver 16.

This signal is sent to the control box 17 via the light receiver 16 and the control box 1
7 energizes the electromagnetic solenoid 13 to detach the movable iron core 13a from the concave portion 14a of the stopper disk 14. Then
By rotating the motor 12, the sign curtain 10 is wound around the take-up roll 11 against the spring force of the internal spring of the supply roll 9, and the output signal from the position detector 15 is monitored.

The motor 12 is stopped when a sign recognition mark (for example, a 3-bit code signal) formed on the back of the sign curtain 10 indicating the sign selected by the remote controller is detected. At this time, the sign to be displayed is wound on the supply roll 9 side. In this state, the power supply to the electromagnetic solenoid 13 on the take-up roll 11 side is interrupted, and the movable iron core 13a
4a to stop the rotation of the take-up roll 11.

Next, the motor 2 is energized and the screw rod 2
a is rotated to raise the slider 3. When the slider 3 rises, the horizontal rod 5 is displaced in the horizontal direction via the link rod 4, so that the roller support frames 7, 8 are opened right and left, and accordingly, the horizontal rod 6 is also displaced in the horizontal direction. At this time, the sign curtain 10 wound around the supply roll 9 is pulled out. Then, the ascending position of the slider 3 is monitored by a detector (not shown), and when it is detected that the detector has reached a predetermined height, the power supply to the motor 2 is cut off.

When the same position detector 15 detects a not-shown display position mark (for example, a 3-bit + 1-bit code signal) on the lower surface of the back of the sign curtain 10, the electromagnetic force is applied to the electromagnetic solenoid 13 on the supply roll 9 side. The energization is cut off, and the movable iron core 13a is
a, the rotation of the supply roll 11 is stopped, and the display control of the sign is terminated. The pre-locking of the supply roll 9 by the position detector 15 is intended to cope with a case where the sign curtain 10 is loosened due to a gust while the roller support frames 7 and 8 are expanding right and left.

On the other hand, in order to close the opened sign curtain 10, the reverse operation is performed as shown in FIGS. 7 and 8.
It can be folded like At this time, the sign curtain 10 is automatically wound up by the spring force of the internal spring of the supply roll 9. The winding of the sign curtain 10 can be performed by a remote control or by a timer operation. When the sign of the sign curtain 10 is changed, the sign may be changed by the above-described operation after the sign curtain 10 is once closed, or may be changed in a display state.

In the above-described embodiment, the case where one item is not displayed and two to seven items are changed is exemplified. However, the middle four items are not displayed and the variable time of three items before and after is shortened. It is also possible. Further, instead of the motor 12, the winding roll 11 can be rotated by a manually wound handle as shown in FIGS.

Next, a second embodiment shown in FIG. 9 will be described. In the embodiment described above, the roll support frames 7, 8 are opened and closed by moving one slider 3 up and down by the screw rod 2a. When the slider 3 is lowered, the roll supporting frames 7 and 8 are also folded while moving left and right.

In the present embodiment, the screw rod 2a is reversely threaded in the vertical direction, and the slider 3 is
3 'is screwed, and link rods 4, 4' are pivotally supported on the sliders 3, 3 '. With this configuration, when the screw rod 2a rotates, the slider 3 'moves down when the slider 3 moves up.
Rotate in the opposite direction, the slider 3 moves down, and the slider 3 'moves up. Therefore, the opening and closing of the roll support frames 7 and 8 is the same operation as that of the first embodiment except that the roll support frames 7 and 8 are translated and folded or spread.

Next, a third embodiment shown in FIGS. 10 to 12 will be described. In this embodiment, FIG.
As shown in the figure, a 1320 mm wide warning sign indicating lane regulation, road construction, etc. is displayed with the sign curtain 10 expanded, and a prohibition sign is displayed with the sign curtain 10 wrapped halfway.
It is used in three stages: a case of a sign having a width of 930 mm, and a case of no display in which the sign curtain 10 is completely involved.

This embodiment is different from the above-described first embodiment in that the horizontal rod 6 has three stages and the slider 3 is vertically moved by a rack and pinion mechanism 19 shown in FIG. And supply roll 9,
An electromagnetic brake 18 is used in place of the electromagnetic solenoid 13 and the stopper disk 14 for preventing the rotation of the take-up roll 11, and the storage mechanism 20 shown in FIG. Is different.

Next, the rack and pinion mechanism 19 will be described. The motor 2 is mounted on the support 1 in the horizontal direction via a gantry 19a, and the output shaft is connected to a pinion 2c via a speed reducer 2b. And this pinion 2
The upper end of c is meshed with a rack 19b attached to the slider 3. Reference numeral 3b denotes a link attachment portion that supports the link rod 4.

In the rack and pinion mechanism 19 configured as described above, when the motor 2 rotates, the pinion 2
c rotates and the rack 19b moves up and down. This allows
The slider 3 pivotally supported by the tip of the rack 19b moves up and down, and the horizontal rods 5 and 6 are rotated via the link rod 4, so that the roll support frame 7 is moved in the same manner as in the first embodiment. ,
8 is displaced while opening and closing in the left-right direction. The rack 19b protruding above the control box 17 accommodating the rack and pinion mechanism 19 is covered with a bellows-like cover 19d (see FIG. 10) to prevent dust from adhering.

Next, the storage mechanism 20 for storing the folded sign curtain 10 will be described. A vertically elongated box body 20a, which is divided into two, is mounted on the upper surface of the control box 17 and the upper end of the column 1 so as to be openable and closable.
The gears 20b are fixed to the lower end of "a" facing the control box 17, respectively. A motor 20d with a reduction gear having a gear 20c meshing with the gear 20b is mounted in the control box 17. Incidentally, the notch 20a ₁ is formed to avoid post 1 on the upper and lower pieces of the box 20a.

In the storage mechanism 20 constructed as described above, when the solid line shown in FIG. 10 and the outer two-dot chain line sign curtain 10 are in the display state, the box 20a opens left and right as shown by the solid line in FIG. In the state where the sign curtain 10 is completely folded as shown by the two-dot chain line inside FIG.
When the motor 20d is rotated, the gear 20
b rotates.

Accordingly, the box 20a divided into two parts fixed to the gear 20b is closed as shown by a two-dot chain line in FIG. 12, and the sign curtain 10 including the roll support frames 7 and 8 is closed. Housed within. In this state, since the sign curtain 10 is not exposed to the outside, it is possible to prevent the display surface from being stained by exhaust gas or wind and rain from the automobile. In addition, characters can be displayed on the front of the box 20a, and beautiful decorations can be applied.

Next, a fourth embodiment shown in FIGS. 13 and 14 will be described. In the above embodiment, 1
Although the display using only one sign curtain 10 has been described, it is necessary to display a combination of partially different displays for one sign, for example, such as sequentially displaying the distance to the regulation start point of road construction. May occur.

Therefore, in the present embodiment, the supply rolls 9, 9 'and the take-up rolls 11, 11' for winding the sign curtains 10, 10 'in the front-rear direction by the motor 12 and a motor (not shown). The sign curtains 10 and 10 'which are arranged and wound on the front and rear rolls, respectively, are partially or entirely overlapped. The part of the sign curtain 10 that displays the sign is transparent), and the two sign curtains 10 and 10 'are simultaneously displayed as necessary.

FIG. 13 shows a front sign curtain 10 'indicating the distance (1500 m ahead) to the start point of construction regulation at the same time vertically below the rear sign curtain 10 indicating that construction is underway. The distance (for example, 1000 m ahead, 500 m ahead, etc.) to the construction regulation start point can be variably displayed by changing the display of the front sign curtain 10 ′. In FIG. 14, reference numeral 21 denotes a curtain guide for separating the rear sign curtain 10 and the front sign curtain 10 'to enable smooth movement. With such a configuration, it is possible to perform multi-variable display by combining the sign curtains.

Next, a fifth embodiment shown in FIGS. 15 and 16 will be described. In this embodiment, the foldable variable sign in the second embodiment shown in FIG. 9 described above is used, and all the above-mentioned embodiments are applied to the support 1 standing on the road. While the sign was attached,
This embodiment is used by directly placing it on a road.

Reference numeral 21 denotes a supporting column which is supported by a mounting bracket 21a fixed to the column 1 across the screw rod 2a in the middle of the column 1, and ends 22 and 23 are provided at one end at the lower ends of the roll supporting frames 7, 8. The other end is pivotally supported by a lower end of the support column 21 via a spacer 24. A handle 25 is attached to the upper end of the screw rod 2a. By rotating the handle 25, the screw rod 2a rotates, the sliders 3, 3 'move up and down, and the roll support frames 7, 8 move in parallel in the horizontal direction. It is supposed to.

In the present embodiment configured as described above, while moving the lower end of the support column 21 backward,
The roll supporting frames 7 and 8 are formed by extending the roll supports 2 and 23 into a single rod shape from the folded state.
23 allows the vehicle to stand on the road in a state of being inclined backward.

Reference numeral 26 denotes a handle for winding the winding roll 11, and a gear 26 a formed at the lower end of the handle 26 meshes with a gear 11 b attached to the upper end of the winding roll 11. Accordingly, by rotating the handle 26, the take-up roll 11 can be rotated to take up the marker curtain 10.

The supply roll 9 and the take-up roll 11
The stopper disc 14 described above is attached to the upper end, and a pin 27 that is biased by a spring is attached to the stopper disc 14 so that the sign curtain 10 is wound up and a predetermined display is performed. By inserting the pin 27 into the recess 14a of the stopper disc 14 against the spring force, the rotation of the supply roll 9 and the take-up roll 11 can be prevented.

Next, the sixth embodiment will be described with reference to FIGS.
It is explained together with. In the fifth embodiment described above, the winding roll 11 is rotated by rotating the handle 26 to wind the sign curtain 10 against the winding force of the supply roll 9 to change the display content. In the present embodiment, a spring that urges the sign curtain 10 in the winding direction is also built in the winding roll 11.

Further, by rotating the handle 25 to narrow or widen the roll support frames 7 and 8, the sign curtain 10 is formed.
Is changed. That is, from the state where the roll support frames 7 and 8 are narrowed, the pin 27 on the take-up roll 11 side is inserted into the concave portion 14a of the stopper disk 14 to make it impossible to rotate.

On the other hand, when the pin 27 on the supply roll 9 side is disengaged from the concave portion of the stopper disc 14 and the handle 25 is rotated to expand the roll support frames 7 and 8 in this state, the supply roll 9 is wound around the supply roll 9. The displayed sign curtain 10 is pulled out, and the display of the sign curtain 10 wound around the supply roll 9 in a state where the roll support frames 7 and 8 are completely spread is displayed between the roll support frames 7 and 8. You.

Conversely, the take-up roll 11 is not in a rotatable state, the supply roll 9 is in a non-rotatable state,
By expanding the roll support frames 7 and 8 in this state, the sign curtain 10 wound on the winding roll 11 is
Curtain 10 which was wound on the winding roll 11 side
Is displayed.

In this embodiment, it is necessary to form a non-display portion 10b between the signs 10a displayed on the sign curtain 10. That is, when the roll support frames 7 and 8 are narrowed,
Since the marks 8 are not overlapped and are in a parallel state, if the sign 10a remains on the front surface in a narrowed state and is then expanded, the sign 10a displayed when the sign is narrowed remains and is displayed.

Therefore, the non-display portion 10 is narrowed.
If b appears on the front surface, the next time the drawer is pulled out, the non-display portions 10b appear on both sides of the marker 10a at both ends as shown in FIG. 17, so that the rest of the marker 10a does not appear. The handle 25 and the screw rod 2
a is not always necessary, and the roll support frames 7, 8 can be narrowed or expanded manually.

[0053]

According to the present invention, as described above, the sign of the sign curtain can be displayed or not by widening or narrowing the roll support frame, and the sign can be variably controlled manually or by a motor. A slender sign that does not impair the road landscape can be provided.

Further, since the rotation preventing means for preventing the rotation of the supply roll and the winding roll is provided, the sign curtain is not blown out by the wind, and further, the sign curtain can be recognized for each sign. Since a mark for recognizing the mark and the display position is given, and a position detector for detecting these marks is attached,
By simply selecting which sign is to be displayed by remote control, the desired sign is displayed automatically.

Further, while the rotation of either the supply roll or the take-up roll is prevented, the space between the rolls is narrowed or widened, whereby the sign curtain is moved and the display contents of the sign can be changed. This has the effect that the display of the sign can be changed by simple means.

[Brief description of the drawings]

FIG. 1 is a front view showing a use state of a foldable variable sign according to the present invention.

FIG. 2 is an enlarged front view showing a state where a part of the sign curtain is cut out.

FIG. 3 is a back view of the above.

FIG. 4 is a plan view of FIG. 2;

FIG. 5 is a side view showing a winding mechanism of the sign curtain.

FIG. 6 is a rear view showing a state in which the roll support frame is being narrowed.

FIG. 7 is a front view of a state where the sign curtain is completely wound up.

FIG. 8 is an enlarged front view showing a state where the sign curtain is removed.

FIG. 9 is a rear view showing the second embodiment.

FIG. 10 is a front view illustrating a third embodiment.

FIG. 11 shows a mechanism for moving the slider up and down.
(a) is a front view and (b) is a side view.

FIG. 12 is a plan view of a storage mechanism that stores the sign curtain.

FIG. 13 is a front view showing a fourth embodiment.

FIG. 14 is a plan view of the above.

FIG. 15 is a rear view showing the fifth embodiment.

FIG. 16 is a side view of the above.

FIG. 17 is a front view illustrating a sixth embodiment.

FIG. 18 is a front view of the sign used in the above.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 support 2 motor 3 slider 7, 8 roll support frame 9 supply roll 10 sign curtain 10 a sign 10 b non-display portion 11 winding roll 12 motor 13 electromagnetic solenoid 14 stopper disk 15 position detector

Claims (6)

(57) [Claims] 1. A slider slidably mounted on a support, a pair of roll support frames that expand or contract in the left-right direction by moving the slider up and down, and a rotatably mounted on the roll support frame. A foldable variable sign comprising: a supply roll and a take-up roll around which a sign curtain is wound; and a rotation drive mechanism for rotating at least the take-up roll in a direction in which the sign curtain is wound. 2. The foldable variable sign according to claim 1, wherein a motor is mounted on the support, and the slider is moved up and down by the motor. 3. The foldable variable sign according to claim 1, wherein a motor is attached to the roll support frame, and the winding roll is rotated by the motor to wind up the sign curtain. 4. The foldable variable sign according to claim 1, wherein a rotation preventing means such as an electromagnetic brake or an electromagnetic clutch for preventing rotation of the supply roll and the take-up roll is attached to the roll support frame. 5. A mark for recognizing a specific sign among a plurality of signs and a mark for recognizing a display position on the sign curtain, and position detection for detecting these marks. The foldable variable sign according to claim 1, wherein a container is attached. 6. A pair of sign displays in which a plurality of signs are displayed, and a non-display portion is formed between the signs, and a pair of rotationally applied directions in which the sign curtains are wound around each other. A foldable type comprising: a roll, a roll support frame capable of supporting and narrowing or expanding the roll, and a lock unit capable of locking the roll so that the roll cannot be rotated with respect to the roll support frame. Variable indicator.