JP7325814B2 - arrow board - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an arrow board installed on a road during lane regulation.

An arrow board is known as a device used to indicate and guide the traveling direction of a vehicle when lanes are restricted due to construction work or an accident. The arrow board described in Patent Document 1 is generally referred to as a "mountain shape", and is a sign board in which arrows (visual guide parts) are provided on each of two frames that are connected in a downward-opening manner. It is a double-sided indicator plate type with The directions of the arrows on these two sign plates are the same, and when switching the direction of the arrows, the directions of the arrow plates are changed (turned over).

However, in the arrow board having the configuration described in Patent Document 1, for example, when an LED arrow is provided on the sign board, it is necessary to attach a substrate, lens, battery, wiring, etc. to both sign boards. There is a problem of weight increase and manufacturing cost increase.

For this reason, as described in Patent Document 2, a single-sided signage type arrow board has been proposed. The arrow board described in Patent Document 2 includes a frame having a sign plate and legs that rotatably support the frame. By rotating the frame with respect to the legs, the sign plate is reversed. It is designed to As a result, the sign board provided with the arrow can be made into one sheet, and the weight of the arrow board can be reduced and the manufacturing cost can be suppressed.

Utility Model Registration No. 3138352 Japanese Patent Application Laid-Open No. 2006-283402

However, in the conventional arrow boards described in Patent Documents 1 and 2, since the frame having the sign board is placed directly on the ground, the position of the arrow sign is low, making it difficult for the driver of the vehicle to see. Therefore, at present, there is a demand for the development of an arrow board that has effective functionality as a single-sided indication type arrow board and that has improved visibility.

In order to solve the above-described problems, an arrow board according to the present invention comprises a sign board, a support leg, a guide rail, and a rotation support part. , a guide rail is fixed to the back surface, and the guide rail is arranged so that the guide direction of the guide rail is parallel to the vertical width direction of the sign plate in the sign state, and is slidable along the guide direction with respect to the rotation support part, The rotary support portion is rotatably supported on the support leg with an axis parallel to the horizontal width direction perpendicular to the vertical direction of the sign plate. is set at a position where the sign plate is reversed from one surface of the support leg so as to pass over the upper end of the support leg and is freely movable to the other surface opposite to the one surface.

It is preferable that support pieces for supporting the indicator plate are provided on one surface and the other surface of the support leg.

It is preferable that a plurality of supporting pieces are provided along the vertical direction of the supporting leg.

It is a perspective view which shows the arrow board of embodiment which concerns on this invention, and shows the state by which the sign board is arrange|positioned at the top. FIG. 1 shows a state in which the sign plate is arranged at the lowest position. It is the perspective view seen from the back side in FIG. 2 is a side view of FIG. 1; FIG. It is a side view which notches and shows a sign plate part in FIG. It is a side view of FIG. 2, and shows the operation|movement of expansion and folding of a support leg. FIG. 7 is a side view showing a notched sign plate portion in FIG. 6 ; FIG. 4 is an operation diagram showing an upward movement and an inversion movement of the sign plate; It is an operation figure which shows the rising operation|movement of the reversed signboard. FIG. 4 is an enlarged view of a main portion showing the connection structure between the guide rail and the rotary plate, showing a state in which the indicator plate is arranged at the lowest position; FIG. 8 shows a state in which the sign plate is arranged at the top. FIG. 11 is a sectional view taken along the line (12)-(12) in FIG. 10; FIG. 11 is a sectional view taken along line (13)-(13) in FIG. 10; FIG. 4 is a cutaway side view showing an enlarged configuration of a fixture that fixes the expanded state of the support legs.

Hereinafter, the arrow board A of embodiment which concerns on this invention is demonstrated with reference to drawings. In the following description, the same reference numerals in different figures denote portions having the same function, and duplication of description in each figure will be omitted as appropriate.

[Arrow board configuration]
As shown in FIGS. 1 to 7, the arrow plate A includes a sign plate 1, support legs 2, guide rails 3a, and a rotation support portion 3b. It is a one-sided indication type arranged on the side (hereinafter referred to as the front) 20 side.
Further, as shown in FIGS. 8 and 9, the sign plate 1 arranged on the front surface 20 side is reversely moved to the other surface (hereinafter referred to as the rear surface) 21 side of the support legs 2 facing the front surface 20, and On the front surface 20 side and the rear surface 21 side of the leg 2, the sign plate 1 is supported so as to move up and down.

[Signboard configuration]
As shown in FIGS. 1 to 3, the sign plate 1 has a rectangular shape with short sides in the vertical width direction and long sides in the horizontal width direction perpendicular to the vertical width direction. 5, a guide rail 3a and a power supply box 10a containing a battery (not shown) for the LED are arranged on the back surface 11. .
The arrow 1a is designed to be visible to the driver of the vehicle by emitting light from an LED. The means is not limited.

[Construction of supporting legs]
As shown in FIGS. 1 to 3, the support leg 2 includes two front and rear leg members 2a and 2b having a substantially U shape, and a posture holding member 2c that spans the grounding rods 20a and 20b of the leg members 2a and 2b. and
As shown in FIGS. 2 to 7, the leg members 2a and 2b are configured such that a middle portion of the leg member 2a near the upper end of the vertical rod 21a and the upper end of the vertical rod 21b of the leg member 2b are connected by left and right shafts 200. is integrated with
Further, as shown in FIG. 6, the connected leg members 2a and 2b are rotated with respect to each other around a shaft 200, so that the grounding rods 20a and 20b of the leg members 2a and 2b are separated from each other in the front-rear direction and spread apart. (The support leg 2 is installed (indicated by solid lines)), and the grounding rods 20a and 20b of the leg members 2a and 2b are brought close to each other (the support leg 2 is folded (indicated by phantom lines)). ing.

As shown in FIGS. 1 to 7, a plurality of support pieces 4a and 4b for supporting the sign plate 1 are provided on the front surface 20 set on the vertical rod 21a of the support leg 2 and on the rear surface 21 set on the vertical rod 21b. , 4c, 4d are provided.
The support pieces 4a and 4b are arranged vertically with respect to the front surface 20 so as to form two stages, one at a high portion and the other at a low portion. It is arranged so that it may become two steps|paragraphs in a high place and a low place.

Here, as shown in FIGS. 1 to 7, the sign plate 1 is provided with an engaging recess 40 that engages with the supporting pieces 4a and 4b and an engaging recess 41 that engages with the supporting pieces 4c and 4d. The engagement recesses 40 and 41 and the support pieces 4a and 4b are engaged with the support pieces 4a and 4b in the vertical direction to support the indicator plate 1 with respect to the support leg 2 and to support the indicator plate 1 with respect to the support leg 2. The vertical position of is adjusted to two steps.
The number of supporting pieces 4a to 4d may be one for each of the front surface 20 and the rear surface 21, or may be three or more.

As shown in FIGS. 1 to 7 and 14, the posture holding member 2c has two left and right holding rods 20c and two front and rear holding rods 20c which are fixed so as to bridge the two holding rods 20c. and a mounting rod 21c.
The holding rod 20c is rotatably supported by a shaft 201 in the horizontal direction with respect to the grounding rod 20a, and is rotatable about the shaft 201 as shown in FIG.
Further, as shown in FIG. 14, the holding rod 20c is provided with an engaging plate 22c that is engaged with and disengaged from the grounding rod 20b by the rotation of the holding rod 20c.

That is, as shown in FIG. 14, the posture holding member 2c rotates the holding rod 20c in the direction in which the retaining plate 22c faces the grounding rod 20b with the support legs 2 spread out, and the retaining plate 22c is grounded. By engaging with the rod 20b, the movement of the leg members 2a and 2b of the supporting leg 2 in the closing direction can be prevented and the installed state of the supporting leg 2 can be maintained.
Further, as shown in FIG. 14, the attitude holding member 2c rotates the holding rod 20c in the direction of releasing the engagement of the locking plate 22c from the grounding rod 20b so that the locking plate 22c is disengaged from the grounding rod 20b. , the leg members 2a and 2b can be rotated in the closing direction.
Further, by placing a weight (not shown) on the mounting rod 21c in the installed state of the support leg 2, it is possible to prevent the position of the arrow plate A from being displaced or overturned by the wind.

[Configuration of guide rail]
As shown in FIG. 3, the guide rails 3a are arranged on the left and right sides of the sign plate 1. As shown in FIGS. It is fixed to the back surface 11 of the sign plate 1 with a screw b1 or the like along the direction.
As shown in FIGS. 3 and 10 to 13, the guide rail 3a is provided with a guide groove 30a provided along the longitudinal direction. Due to the engagement, the guide rail 3a is slidably connected to the rotation support portion 3b and integrally rotatable with the rotation support portion 3b.

[Structure of rotation support]
As shown in FIGS. 8 to 11, the rotation support portion 3b includes a rotating plate 30b supported by the vertical rod 21a of the leg member 2a so as to be rotatable about an axis 300 parallel to the horizontal direction of the sign plate 1. , a support plate 31b projecting from the rotary plate 30b toward the guide rail 3a so as to face the guide groove 30a of the guide rail 3a in the front-rear direction, integrally with the rotary plate 30b. The support plate 31b and the guide rail 3a are connected via the support plate 31b.

Here, as shown in FIGS. 10 to 13, the shaft 300 is a butterfly bolt that penetrates from the vertical rod 21a to the rotating plate 30b and is screwed into a nut 310 fixed to the surface of the rotating plate 30b. prevents the rotation of the rotor plate 30b, and loosens the screwing of the butterfly bolt, thereby allowing the rotor plate 30b to rotate freely.
Further, as shown in FIG. 8, the center of rotation of the shaft 300 is such that when the indicator plate 1 connected to the rotary plate 30b rotates with the rotation of the rotary plate 30b, the indicator plate 1 moves the upper end of the vertical rod 21a. It is set at a position where it can be reversed so as to cross over and alternately move between the front surface 20 set on the vertical rod 21a and the rear surface 21 set on the vertical rod 21b.
In addition, the structure of the shaft 300 is not limited to the butterfly bolt, and may be any structure as long as it can prevent the rotation of the rotating plate 30b and switch between freely rotatable.

As shown in FIGS. 10 to 13, the support plate 31b slidably supports the guide rail 3a through the connecting portion 3c.

Here, as shown in FIGS. 10 to 13, the connecting portion 3c penetrates through the support plate 30c and the support plate 31b, which are loosely fitted in the guide rail 3a so as to be vertically movable, and passes through the guide groove 30a. It has a first guide shaft 301 and a second guide shaft 302 fixed to the support plate 30c.
As shown in FIGS. 10 to 13, the support plate 30c is formed in a rectangular shape whose long sides are in the vertical direction of the guide rail 3a. As shown in FIGS. 10 and 11, the first guide shaft 301 is fixed, and a second guide shaft 302 is fixed on the lower side.

Here, the first and second guide shafts 301 and 302 are bolts, as shown in FIGS. A wing nut 312 is threaded.
By screwing and tightening the wing nut 312, the surface of the guide rail 3a on the side of the guide groove 30a is sandwiched between the support plate 31b and the support plate 30c to prevent the guide rail 3a from sliding with respect to the support plate 31b. By loosening the wing nut 312, the guide rail 3a can be slid freely with respect to the support plate 31b.
A nut 313 is screwed to a portion of the guide shaft 302 protruding from the surface of the support plate 31b. The nut 313 is screwed to such an extent that the surface of the guide rail 3a on the side of the guide groove 30a between the support plate 31b and the support plate 30c is not tightened, so that the guide rail 3a can always slide freely with respect to the support plate 31b. are in a state to

[Explanation of the action of the arrow plate]
Next, the action of the arrow plate A of this embodiment will be described.

1. 1 and 2, the arrow plate A is in the indicated state when the support legs 2 are spread out, and the vertical position of the arrow plate 1 can be adjusted according to the situation. As shown in FIG. 6, the indicator plate 1 is set to the lowest position and the supporting legs 2 are closed to put it away.
When the arrow plate A is placed and closed, the support leg 2 can be opened and closed by loosening the wing bolt, which is the shaft 300, and the indicator plate 1 can be moved up and down by loosening the wing nut 312 at the connecting portion 3c. can be moved.
In addition, in the installed state and the closed state, by tightening the wing bolt that is the shaft 300 and tightening the wing nut 312 in the connecting portion 3c, the support leg 2 can be held so as not to open and close, and the sign plate 1 can be held so as not to move up and down.

2. Operation for adjusting the vertical position of the indicator plate on the front side As shown in FIGS. The vertical position is adjusted by moving up and down as the guide rail 3a slides up and down with respect to the support portion 3b.
As shown in FIGS. 4 and 5, when the sign plate 1 is set to the highest position, the sign plate 1 is slid upward, and the engaging recess 40 of the sign plate 1 is moved to the front surface 20 of the vertical rod 21a. The indicator plate 1 can be supported at the top by engaging with the support piece 4a fixed to the .
In addition, as shown in FIGS. 6 and 7, when the sign plate 1 is set to the lowest position, the sign plate 1 is slid downward and the engagement recess 40 of the sign plate 1 is moved to the front surface of the vertical rod 21a. By engaging with the fixed support piece 4b, the sign plate 1 can be supported at the lowest position.
Furthermore, the sign plate 1 can be supported even at a position where the engagement recess 40 is not engaged with the support pieces 4a and 4b. At this position, the indicator plate 1 can be supported by the force of tightening the wing nut 312 against the first guide shaft 301 of the connecting portion 3c.

3. Reversing operation of the sign plate from the front surface to the rear surface When the sign plate 1 is reversed from the front surface 20 to the rear surface 21, as shown in FIG. It is slid upward to a position where it is separated from the support piece 4a, and the indicator plate 1 is rotated around the shaft 300 from this position.
The rotation of the sign plate 1 around the axis 300 rotates the sign plate 1, the guide rail 3a, and the rotary plate 30b together, and also reverses the sign plate 1 so as to pass over the upper end of the vertical rod 21a. As shown in 9, the inverted sign plate 1 can be moved to the rear surface 21 set on the vertical rod 21b.

4. Vertical position adjustment operation of the sign plate on the rear side The indicator plate 1 can be supported at the top on the rear surface 21 by engaging the engagement recess 41 positioned on the lower side when the plate 1 is inverted with the support piece 4c fixed to the rear surface 21 of the vertical rod 21b. , and the support pieces 4d, the indicator plate 1 can be supported at the lowest position on the rear surface 21. As shown in FIG.

As described above, according to the arrow plate A of the present embodiment, by adjusting the vertical position of the sign plate 1 according to the situation, it is possible to set the position at a position that ensures good visibility for the driver of the vehicle. .
In addition, since the display surface 10 of the arrow plate A can be changed from the right hand side to the left hand side by a simple work of turning over the sign plate 1, the installation place of the arrow plate A is moved from the right side of the road to the left side. Work can be done quickly.
Therefore, it is possible to provide the arrow board A which has effective functionality as a single-sided indication type arrow board, and which has improved visibility.

Although the arrow plate A of the embodiment according to the present invention has been described in detail with reference to the drawings, the specific configuration is not limited to these embodiments and does not depart from the gist of the present invention. Even if there is a change in the design of the scope, etc., it is included in the present invention.

In addition, each of the above-described embodiments can be combined by diverting each other's techniques unless there is a particular contradiction or problem in the purpose, configuration, or the like.

A: Arrow plate 1: Sign plate 1a: Arrow 10: Display surface 11: Back surface 2: Support leg 20: Front surface 21: Rear surface 3a: Guide rail 3b: Rotation support part 3c: Connecting part 300: Shaft 4a: Support piece 4b: Support piece 4c: Support piece 4d: Support piece

Claims (3)

comprising a sign plate, a support leg, a guide rail, and a rotation support;
The sign board has an arrow on the display surface, and a guide rail is fixed on the back.
The guide rail is arranged so that the guide direction of the guide rail is parallel to the vertical width direction of the sign plate in the sign state, and is connected to the rotation support part so as to be slidable along the guide direction and integrally rotatable,
The rotation support part is rotatably supported on the support leg with an axis parallel to the left-right width direction perpendicular to the up-down direction of the sign plate in the left-right direction,
An arrow characterized in that the center of rotation of the shaft is set at a position where the sign plate is reversed from one side of the support leg so as to pass over the upper end of the support leg and is freely movable to the other side opposite to the one side. board. 2. The arrow board according to claim 1, wherein support pieces for supporting the sign board are provided on one surface and the other surface of the support leg. 3. The arrow board according to claim 2, wherein a plurality of support pieces are provided along the vertical direction of the support leg.

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