JP2018066213A - Marker post - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a marker post in which an adhesive for fixing a cap to a main cylinder or a material melted for fusion are prevented from flowing outside, thereby making the manufacturing easier.SOLUTION: An insertion part fixed by being inserted into a main cylinder and an edge part extending outwardly from the insertion part are formed in a cap. The edge part is provided with an abutting part which is abutted to the top face of an end of the main cylinder, and a recess is formed between the abutting part and the insertion part which is recessed to avoid contacting the main cylinder. Said recess is formed in said cap, so that an adhesive for fixing the cap to the main cylinder or a material of the main cylinder or the insertion part which is melted for fusion flows into said recess and remains therein even if it flows in an outward direction from a pole, thereby preventing a failure such as its squeeze-out from between the abutting part of the cap and the top end of the main cylinder.SELECTED DRAWING: Figure 6

Description

  The present invention relates to a road marking body installed on a road surface for lane separation, roadside separation, and the like, and a sign post that can be suitably used for a car stop installed in a parking lot or the like.

  Various types of signposts such as road marking bodies and vehicle stops that are formed in a columnar shape and stand on a road surface have been used. There are many such signposts in which the upper opening of the cylindrical pole is closed with a cap member, and various inventions have been disclosed.

  For example, Patent Document 1 discloses that a pole portion made of a cylindrical hollow columnar body having upper and lower ends opened and having the same inner diameter along the length direction, and an outer diameter substantially the same as the inner diameter of the pole portion. The cap part and the base part have a base part, the insertion part of the cap part is inserted at the upper end of the pole part, the insertion part of the base part is inserted at the lower end of the pole part, the inner surface of the pole part, the cap part and the base part The structure of the road marking body characterized by being fused and integrated with the outer surface of the insertion portion is disclosed.

JP 2002-061129 A

  The road marking body shown in Patent Document 1 is a structure in which the insertion portion of the cap portion and the inner side surface of the pole portion into which the cap portion is inserted are fused and firmly integrated. It is intended to provide a sign post that is easier to manufacture.

In order to achieve the above object, the present invention is configured as follows.
That is, the sign pillar according to the present invention is a sign pillar provided with a pole erected,
The pole includes a cylindrical main body cylinder that is open at the top, and a cap that is attached to the upper end of the main body cylinder.
The cap is inserted into the inside of the main body cylinder and is fixed to the main body cylinder by either adhesion or fusion, an edge extending from the insertion section and going outward, and the main body A top plate portion that is disposed above the opening of the tube and closes the opening is formed;
The cap is provided with an abutting portion that abuts against the upper surface of the end of the main body cylinder at the edge, and is positioned between the abutting portion that abuts the main body cylinder and the insertion portion. A concave portion that is recessed so as not to contact is formed.

According to the marker column according to the present invention, the cap insertion portion is inserted into the inside of the main body cylinder and fixed by either adhesion or fusion, so that the cap can be firmly attached to the main body cylinder.
Further, the cap is formed with an insertion portion, an edge portion extending outward from the insertion portion, and a top plate portion that is disposed above the opening of the main body cylinder and closes the opening. Since the abutting portion for abutting against the upper surface of the end portion of the main body cylinder is provided in the portion, the insertion portion of the cap is provided so as not to be seen from the outside. That is, the adhesive for fixing the cap to the main body cylinder and the material of the main body cylinder and the insertion portion melted for fusing are not visually recognized from the outside.
Further, since the cap is formed with a recessed portion that does not contact the main body cylinder between the contact portion that contacts the main body cylinder and the insertion portion, an adhesive for fixing the cap to the main body cylinder, Even when the material of the main body cylinder and the insertion portion melted for fusing flows in the direction toward the outside of the pole, the material flows into the concave portion and accumulates, and these are formed between the contact portion of the cap and the upper end of the main body tube. Problems that protrude from the space are less likely to occur.

  Further, if the recess is formed on the edge of the cap and is recessed upward, an adhesive for fixing the cap to the main body cylinder, a main body cylinder or an insertion part melted for fusing Even when the material flows in the direction toward the outside of the pole, it flows into the concave portion and accumulates, and it is difficult to cause such a problem that the material protrudes from between the abutting portion of the cap and the upper end of the main body cylinder. .

  Further, if the recess is formed in the insertion portion so as to be recessed toward the inner side of the pole, an adhesive for fixing the cap to the main body tube, or a main body tube or insertion portion melted for fusing Even when the material flows in the direction toward the outside of the pole, it flows into the concave portion and accumulates, and it is difficult to cause such a problem that the material protrudes from between the abutting portion of the cap and the upper end of the main body cylinder. .

Moreover, in a state before being fixed to the main body cylinder by any method of adhesion or fusion,
In the insertion part of the cap, a plurality of protrusions protruding outwards are arranged in parallel at intervals,
When the insertion portion is inserted into the inside of the main body cylinder, the protrusions are brought into contact with the inner surface of the main body cylinder, and gap portions where the main body cylinder and the insertion portion do not come into contact with each protrusion. If it is formed between the strips, and this gap is provided so as to connect to the recess, an adhesive for fixing the cap to the main body cylinder, a main body cylinder that has been melted for fusion, and an insertion section This is preferable because the material can easily flow into the recess through the gap.

  According to the marker column according to the present invention, the adhesive for fixing the cap to the main body cylinder and the material of the main body cylinder and the insertion portion melted for fusing are the contact portion of the cap and the upper end of the main body cylinder. It is less likely to cause a problem that protrudes between the gaps, and it is easier to manufacture.

It is a front view which shows one Embodiment of the marker pillar which concerns on this invention. 1A is a plan view, FIG. 1B is a front view, and FIG. 1C is a bottom view. It is the enlarged view of FIG. 2 (c) which expanded the insertion part and protrusion part of the cap. It is AA sectional drawing of FIG. It is BB sectional drawing of FIG. It is a longitudinal cross-sectional view which shows the state which inserted the insertion part of the cap into the main body cylinder. It is AA sectional drawing of FIG. It is a longitudinal cross-sectional view which shows another form of implementation of the cap of the marker pillar which concerns on this invention. It is a figure which shows the other longitudinal cross-section of the cap of FIG. It is a longitudinal cross-sectional view which shows the state which inserted the insertion part of the cap of FIG. 8 in the main body cylinder.

Embodiments of the present invention will be specifically described with reference to the drawings.
In the drawing, 1 is a sign post.
The marker column 1 according to the present embodiment includes a base 5 and a pole 2 that is fixed to the upper surface of the base 5 and is erected.

The pole 2 includes a main body cylinder 21 formed in a cylindrical hollow columnar body, and a cap 3 is fixed so as to close an upper end of the opening.
Further, a reflection sheet 23 having retroreflectivity for reflecting the irradiated light in the light source direction is attached to the outer surface of the main body cylinder 21. The reflection sheet 23 is wound around and adhered to the outer surface of the main body cylinder 21, and three reflection sheets are arranged side by side in the main body cylinder 21 of the present embodiment with a space in the vertical direction.

  The pole 2 is formed of a thermoplastic polyurethane resin so that the body cylinder 21 and the cap 3 are flexible so that the pole 2 is elastically bent by contact with the vehicle and then restored to its original state. It is not limited, and soft polyolefins, elastomers and the like can be suitably used.

The base 5 is formed in a substantially truncated cone shape, and anchor bolts are integrally implanted on the lower surface of the base 5 when the base 5 is formed. The material of the base 5 is preferably thermoplastic polyurethane, soft polyolefin, elastomer or the like in consideration of ease of molding, resilience to treading of a vehicle, durability, and the like. The base 5 of this embodiment is a thermoplastic polyurethane. It is formed with.
And the male screw of the said anchor bolt which protrudes below from the lower surface of the base 5 is screwed to the anchor nut N embedded and fixed to construction sites, such as a road surface, and it has provided so that the base 5 can be installed and fixed to a construction site. .
FIG. 1 shows a state where the marker pillar 1 is erected by screwing an anchor bolt protruding from the base 5 to an anchor bolt N embedded and fixed on the installation surface G.

FIG. 2 shows the cap 3 of the sign post 1 of FIG. 1, (A) is a plan view, (B) is a front view, and (C) is a bottom view.
The cap 3 includes a top plate portion 31 that is disposed above the main body tube 21 and closes the opening of the main body tube 21, and an insertion portion 35 that protrudes below the top plate portion 31 and is inserted into the hollow portion of the main body tube. It is formed.

  In the center of the top plate portion 31, a circular air vent hole h1 penetrating vertically is formed. By forming the air vent hole h1, when the vehicle contacts the sign post 1 and the pole 2 is bent, the air in the body cylinder 21 of the pole 2 is discharged to the outside through the air vent hole h1. As a result, problems such as rupturing of the pole 2 due to an increase in the pressure of the inner air are suppressed.

A groove 33 that is recessed upward is formed on the lower surface of the top plate portion 31.
The grooves 33 are formed in the radial direction from the center of the top plate portion 31 toward the outside, and the eight grooves 33 are arranged radially at equal intervals.
By forming each groove 33, the cap 3 is easily deformed at the portion of the groove 33 in which the thickness of the top plate portion 31 is made smaller than the others, so that the sign post 1 is deformed by contact with a vehicle or the like. In addition, the cap 3 can hardly inhibit the deformation of the marker column 1. Furthermore, since the cap 3 is easily deformed following the deformation of the marker column 1, an effect of suppressing the detachment of the cap 3 from the marker column 1 can be expected. Further, by making the cap 3 easy to deform, the sign post 1 can be deformed with a smaller external force, so that the effect of suppressing damage to the sign post 1 can be expected, and is caused by contact with the sign post 1. The effect of suppressing vehicle damage can also be expected.

The cap 3 is provided so that an insertion portion 35 extending downward from the lower surface of the top plate portion 31 is inserted into the main body cylinder 21 and attached to the main body cylinder 21.
On the outer surface of the insertion portion 35, a protruding ridge portion 35a protruding outward is formed along the vertical direction, and the ridge portion 35a is arranged at equal intervals over the entire circumference of the insertion portion 35. It is formed.
3 is an enlarged view of FIG. 2C in which the insertion part 35 and the protrusion 35a of the cap 3 are enlarged.

The cap 3 is formed with an edge portion 37 that protrudes outward from the insertion portion 35.
The edge portion 37 is formed over the entire circumference of the outer peripheral surface of the insertion portion 35, and the upper surface of the edge portion 37 is provided flush with the upper surface of the top plate portion 31. In other words, the edge portion 37 is provided so as to constitute an edge of the top plate portion.

4 is a cross-sectional view taken along line AA in FIG. 2, and FIG. 5 is a cross-sectional view taken along line BB in FIG.
On the lower surface of the edge portion 37, a groove-like concave portion 37b that is recessed upward is formed.
Specifically, the concave portion 37 b is formed along the root of the insertion portion 35, and is formed in an annular groove shape over the entire circumference near the root of the insertion portion 35.
In other words, the edge portion 37 is provided with the concave portion 37b whose lower surface is located above being disposed close to the insertion portion 35. An abutting portion 37 a having a lower surface located below is formed on the outer side of the concave portion 37 b over the entire circumference of the edge portion 37.
As shown in FIGS. 4 to 5, each protrusion 35 a provided in the insertion portion 35 is formed so that its upper end is connected to the lower surface of the recess 37 b of the edge 37.

The cap 3 is provided so that the insertion portion 35 is inserted into the inside of the main body cylinder 21, and the contact portion 37 a of the edge portion 37 is attached to the end of the cylinder wall of the main body cylinder 21.
Then, as a method of fixing the cap 3 attached to the main body cylinder 21, a method of fusing the outer side surface of the insertion portion 35 and the inner side surface of the main body cylinder 21 or a method of bonding the insertion portion 35 and the main body cylinder 21 with an adhesive. The method of making it etc. can be used suitably.

FIG. 6 is a longitudinal sectional view showing a state in which the insertion portion 35 of the cap 3 is inserted into the main body cylinder 21.
As shown in FIG. 6, in a state where the cap 3 is attached to the main body tube 21, each protrusion 35 a of the insertion portion 35 contacts the inner side surface of the main body tube 21, and the contact portion 37 a of the edge portion 37 is overall. To the upper end surface of the main body cylinder 21.
And the recessed part 37b of the edge part 37 will be in the state spaced apart from the upper end surface of the main body cylinder 21, and it is provided so that clearance gap S1 may be formed between the upper end surface of the main body cylinder 21, and the lower surface of the recessed part 37b.
When the cap 3 is attached to the main body cylinder 21, the outer edge of the edge portion 37 of the cap 3 is provided at a position corresponding to the upper end of the outer surface of the main body cylinder 21.

7 is a cross-sectional view taken along the line AA in FIG.
The cap 3 is inserted between the outer surface of the insertion portion 35 at a position between the protrusion portions 35a when the insertion portions 35 are inserted into the main body cylinder 21 and the protrusion portions 35a are brought into contact with the inner surface thereof. Clearances S <b> 2 are formed between the inner surface of the main body cylinder 21.
Each gap S2 is formed so as to be connected to the gap S1 formed above and below the recess 37b.
In FIG. 7, the end of each protrusion 35 a of the insertion portion 35 abuts on the inner surface of the main body cylinder 21, but this is not a limitation, and the inner surface of the main body cylinder 21 is slightly recessed. You may provide so that each protrusion 35a may press-contact so that it may deform | transform.

When the cap 3 is fused and fixed to the main body cylinder 21, the resin can be melted and bonded at the contact portion between the protrusion 35 a and the main body cylinder 21, but at this time, fluctuations in manufacturing conditions, etc. Depending on the factor, the resin may melt in large quantities. In this way, when a large amount of molten resin is generated during the fusing process, the molten resin is provided so as to be accommodated and retained in the gap S2 formed between the protrusions 35a.
Furthermore, even when the molten resin cannot be accommodated in the gap S2 and flows upward, the molten resin flows into the gap S1 connected to the gap S2, and is accommodated in the gap S1.
By providing the cap 3 as described above, even when a large amount of molten resin is generated in the fusing process, the cap 3 is efficiently accommodated in the gap S1 and the gap S2, and the abutting portion 37a of the cap 3 and the main body cylinder 21 are accommodated. It is possible to suppress a problem that the molten resin leaks out from between the upper end surfaces of the two.

As a method for fusing the insertion portion 35 of the cap 3 and the main body cylinder 21, rotary fusing can be suitably used.
Specifically, in a state where the insertion portion 35 is inserted into the main body cylinder 21, one side is rotated with respect to the other, thereby generating frictional heat at the contact portion between the insertion portion 35 and the main body cylinder 21, The resin at the contact portion is melted by heat and then cooled and joined together.
The top plate 31 of the cap 3 is formed with a mounting hole h2 for attaching a jig for performing this rotational fusion.
As shown in FIG. 2, the mounting holes h <b> 2 are formed by vertically penetrating the top plate portion 31, and four mounting holes h <b> 2 are arranged at equal intervals in the circumferential direction of the top plate portion 31.
By providing each mounting hole h2 in the cap 3, a jig can be inserted into each mounting hole h2 and the cap 3 can be stably rotated with respect to the main body cylinder 21, so that the rotational fusion can be performed more easily. it can.

Since each mounting hole h2 is inserted with a jig for performing rotational fusion, the thickness of the edge is set to be different from that of other parts so that the top plate portion 31 is not damaged when a force for rotation is applied. Is also made partially large.
Specifically, the thick portion 32 is formed at the edge of each mounting hole h <b> 2 so as to protrude downward from the lower surface of the top plate portion 31. The said thick part 32 is formed over the perimeter of each attachment hole h2, and is formed in the cylinder shape surrounding the circumference | surroundings of each attachment hole h2.

The method of fixing the cap 3 to the main body cylinder 21 can be suitably performed not by fusion but also by adhesion. When both are fixed using an adhesive, the adhesive can be applied and bonded to the outside of the insertion portion 35 or the inside of the main body cylinder 21, but at this time, a large amount of adhesive may be applied. . Even when a large amount of adhesive is applied in this way, the adhesive remains accommodated in the gap S2 formed between the protrusions 35a, and the gap S2 is bonded to the gap S1 connected to the gap S2. It is provided so that the agent can flow in and remain contained.
As described above, even when the cap 3 is bonded and fixed, it is possible to suppress a problem that the adhesive leaks outside from between the contact portion 37a of the cap 3 and the upper end surface of the main body cylinder 21.
When the cap 3 is bonded and fixed to the main body cylinder 21, the mounting holes h2 and the thick portion 32 need not be formed.

FIG. 8 is a longitudinal sectional view showing another embodiment of the cap 3 of the marker pillar 1 according to the present invention, and FIG. 9 is a view showing another longitudinal section of the cap 3 of FIG.
The cap 3 shown in FIGS. 8 to 9 is different from the cap 3 of the marker column 1 shown in FIGS. 1 to 7 in that the recess 37b is not formed in the edge portion 37 and the recess 26 is formed in the insertion portion 35. It is.
That is, the cap 3 shown in FIGS. 8 to 9 is similar to the cap 3 shown in FIGS. 1 to 7, and has a top plate portion 31 that closes the opening of the main body tube 21, and projects downward from the top plate portion 31. An insertion portion 35 to be inserted into the hollow portion 21 and an edge portion 37 to protrude outward from the insertion portion 35 are formed. The top plate portion 31 is formed with an air vent hole h1 and a mounting hole h2 penetrating vertically, and a groove 33 and a cylindrical thick portion 32 are provided on the lower surface thereof.
On the outer side surface of the insertion portion 35, a plurality of protrusions 35a protruding outward are arranged at equal intervals over the entire circumference of the insertion portion 35.

  The cap 3 shown in FIGS. 8 to 9 does not form a concave portion 37 a that is recessed upward in the edge portion 37. That is, the edge portion 37 is provided so that the entire lower surface is located at the same height.

The cap 3 shown in FIGS. 8 to 9 has a recess 36 that is recessed inward on the outer surface of the insertion portion 35.
Specifically, the recess 36 is formed at the base portion of the insertion portion 35, and is formed in a groove shape over the entire circumference of the insertion portion 35.
Each protrusion 35 a provided in the insertion portion 35 is formed so that the upper end thereof is positioned in the vicinity of the lower end of the recess 36.

FIG. 10 is a longitudinal sectional view showing a state where the insertion portion 35 of the cap 3 of FIG.
The cap 3 shown in FIGS. 8 to 10 is in contact with the inner side surface of the main body cylinder 21 in a state where the cap 3 is attached to the main body cylinder 21 in the same manner as the cap 3 shown in FIGS. A gap S <b> 2 is formed between the outer side surface of the insertion portion 35 and the inner side surface of the main body cylinder 21 at a position between the protruding portions 35 a.

  The cap 3 shown in FIGS. 8 to 10 has the lower surface of the edge portion 37 generally at the same height, so that the upper end surface of the main body tube 21 is generally the edge portion 37 when attached to the main body tube 21. It contacts the lower surface of the.

The insertion portion 35 of the cap 3 is in a state of being separated from the main body cylinder 21 at the position of the recess 36, and is provided so that a gap S 3 is formed between the inner surface of the main body cylinder 21 and the wall surface of the recess 36. ing.
Further, by positioning the upper end of each protrusion 35a in the vicinity of the lower end of the recess 36, a gap S2 provided between the protrusions 35a is connected to the gap S3.

When the cap 3 shown in FIGS. 8 to 10 is fused and fixed to the main body cylinder 21, even when a large amount of molten resin is generated in the fusing process, the cap 3 is melted into the gap S2 formed between the protrusions 35a. The spent resin stays in place.
Further, even when the molten resin flows upward without being accommodated in the gap S2, it is provided so as to flow into the gap S3 connected to the gap S2 and be accommodated in the gap S3.
That is, the cap 3 is efficiently accommodated in the gap S2 and the gap S3 even when a large amount of molten resin is generated in the fusing process, and from between the edge 37 of the cap 3 and the upper end surface of the main body cylinder 21. The problem that the molten resin leaks to the outside can be suppressed.

When the cap 3 shown in FIGS. 8 to 10 is bonded and fixed to the main body cylinder 21, even when a large amount of adhesive is applied to the outer side of the insertion part 35 or the inner side of the main body cylinder 21, it is formed between the protrusions 35a. The adhesive is accommodated and stays in the gap S2.
Further, the adhesive flows into the gap S3 connected to the gap S2 from the gap S2, and is provided so as to be accommodated.
That is, even when the cap 3 is bonded and fixed, the surplus adhesive is efficiently accommodated in the gap S2 or the gap S3, and the adhesive is applied between the contact portion 37a of the cap 3 and the upper end surface of the main body cylinder 21. The trouble which leaks outside can be controlled effectively.

In addition, the marker pillar 1 which concerns on this invention is not limited to the said embodiment, A various change is possible in the range which does not deviate from the summary of this invention.
For example, the cap 3 shown in FIGS. 8 to 10 is provided so that the entire lower surface of the edge portion 37 is positioned at the same height, but is not limited thereto, and is similar to the cap 3 shown in FIGS. A recess 37b that is recessed upward may be formed.
In other words, the edge 37 of the cap 3 is provided with a recess 37b that forms a gap S1 apart from the contact portion 37a that contacts the upper end surface of the main body cylinder 21, and further, a recess 36 is provided on the outer surface of the insertion portion 25. Also good.
Thus, by providing the cap 3 with the concave portion 36 and the concave portion 37b, the gap S1 and the gap S3 are formed between the cap 3 and the upper end of the main body cylinder 21, so that the cap 3 is fused to the main body cylinder 21. The molten resin generated when the material is fixed, the excess adhesive generated when the material is fixed, and the like are effectively stored and retained in the gaps S1 and S3. It is possible to suppress the problem of leaking out from between.
In addition, when forming the said recessed part 36 and the recessed part 37b in the cap 3, it is preferable to provide so that the clearance gap S3 connected to the said clearance gap S2 and clearance gap S1 may connect.

Moreover, although the cap 3 shown in FIGS. 1-7 has formed the groove-shaped recessed part 37b formed along the root of the insertion part 35 in the annular groove shape over the perimeter of the root vicinity of the insertion part 35, However, the present invention is not limited to this, and it may not be formed so that a part of the concave portion 37b having an annular groove shape is missing.
Moreover, although the cap 3 shown in FIGS. 8-10 has formed the groove-shaped recessed part 36 formed in the root part of the insertion part 35 over the perimeter of the insertion part 35, it is not restricted to this, The recess 36 may not be formed so that a part thereof is missing.

DESCRIPTION OF SYMBOLS 1 Marking pillar 2 Pole 21 Main body cylinder 23 Reflective sheet 3 Cap 31 Top plate part 32 Thick part 33 Groove 35 Insertion part 35a Projection part 36 Recess 37 Edge part 37a Contact part 37b Recess 5 Base G Installation surface h1 Air vent hole h2 Mounting hole N Anchor nut

Claims (4)

A sign post with a pole standing upright,
The pole includes a cylindrical main body cylinder that is open at the top, and a cap that is attached to the upper end of the main body cylinder.
The cap is inserted into the inside of the main body cylinder and is fixed to the main body cylinder by either adhesion or fusion, an edge extending from the insertion section and going outward, and the main body A top plate portion that is disposed above the opening of the tube and closes the opening is formed;
The cap is provided with an abutting portion that abuts against the upper surface of the end of the main body cylinder at the edge, and is positioned between the abutting portion that abuts the main body cylinder and the insertion portion and contacts the main body cylinder. A sign post having a recess recessed so as not to contact.   The marker column according to claim 1, wherein the concave portion is formed at an edge portion of the cap so as to be recessed upward.   The marker column according to claim 1, wherein the concave portion is formed in the insertion portion so as to be recessed toward an inner side of the pole. In a state before being fixed to the main body cylinder by any method of adhesion or fusion,
In the insertion part of the cap, a plurality of protrusions protruding outward are arranged in parallel at intervals,
When the insertion portion is inserted into the inside of the main body cylinder, the protrusions are in contact with the inner surface of the main body cylinder, and the gaps where the main body cylinder and the insertion portion do not contact are the protrusions. Formed between parts,
The sign pillar according to any one of claims 1 to 3, wherein the gap portion is provided so as to be connected to the concave portion.

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