JP2015165071A - Sign pole - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sign pole having a body pole to which good flexibility and high rigidity are easily imparted.SOLUTION: The body pole includes a cylindrical outer pole, and a cylindrical reinforcing cylinder to be stored in a hollow part inside the outer pole. To the lower end and the upper end of the outer pole, a base and a cap are mounted, respectively, to enclose the hollow part. The reinforcing cylinder is stored in the hollow part in the state of being fixed to neither the outer pole nor the base. Via an elastic member abutting on the outer peripheral face of the reinforcing cylinder and the inner peripheral face of the outer pole, the reinforcing cylinder is isolated from the outer pole, when arranged. The reinforcing cylinder for enhancing the rigidity of the body pole can be easily mounted into the outer pole without the possibility of coming through the outer pole to the outside.

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. The sign pillars such as these have a flexible structure in which the pillar body is elastically deformed and restored so as not to be easily damaged when a vehicle or the like comes into contact with the vehicle, or to damage the contacted vehicle. Various inventions are disclosed.

For example, in Patent Document 1, a base (1) installed on a road surface (100) and an outer cylindrical body made of an elastic material and having a lower part (3b) fixed to the base (1) and extending upward from the base (1). (3) for reinforcement that is made of an elastic material and is provided on the inner side of the outer cylinder (3) at an interval and whose lower part (2b) is integrated with the base (1) and extends upward from the base (1) An inner cylinder (2) and an inner cylinder (4) removably inserted inside the reinforcing inner cylinder (2) so that the upper part (4b) protrudes from the outer cylinder (3). The present applicant shows a snow pole cone in which the inner cylinder (4) is press-fitted into the inner surface (2a) of the reinforcing inner cylinder (2) in the provided snow pole cone.
Patent Document 2 includes a hard core pillar, an outer skin provided outside the core pillar and having elasticity, and a buffer layer made of an elastic body between the core pillar and the outer skin. The applicant has shown an elastic wheel stopper characterized in that a belt-like elastic body is wound around at least the lower end of the core column.

JP 2008-231872 A JP 2008-138448 A

The snow pole cone shown in Patent Document 1 has a stable upright posture even when wind or snow acts on the inner cylinder by press-fitting an inner cylinder that protrudes upward from the outer cylinder into the inner surface of the reinforcing inner cylinder. However, since the vehicle can be in direct contact with the inner cylinder, the inner cylinder is reinforced to prevent the inner cylinder from coming off even if a strong force is applied. It was necessary to forcefully press into.
Moreover, the elastic wheel stopper shown in Patent Document 2 enables elastic deformation corresponding to the thickness of the buffer layer by providing a buffer layer between the core column and the outer skin. Could not respond.

  The present invention easily forms a marker column having flexibility that can restore the original state even if the main body column to be erected is deformed so as to be bent, and the main body column has high rigidity. is there.

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 comprising a base and a flexible main pillar projecting upward from the base,
The main body column includes a cylindrical outer column, and a cylindrical reinforcing cylinder accommodated in a hollow portion inside the outer column,
The outer column has the base and the cap attached to the lower end and the upper end of the open outer column, respectively, and the hollow portion is closed,
The reinforcing cylinder is housed in the hollow portion in a state in which the reinforcing cylinder is not fixed to either the outer column or the base, and the reinforcing cylinder is elastically abutted on the outer peripheral surface of the reinforcing cylinder and the inner peripheral surface of the outer column. The cylinder is provided so as to be spaced apart from the outer column.

The marker column according to the present invention includes a base and a flexible main column that protrudes upward from the base. The main column is a cylindrical outer column and a hollow portion inside the outer column. Since the cylindrical reinforcing cylinder accommodated in the housing is provided, the rigidity of the main body column can be increased by the reinforcing cylinder accommodated in the hollow portion.
Further, since the base and the cap are attached to the lower end and the upper end of the open outer column, respectively, and the hollow portion of the outer column is closed, there is a possibility that the reinforcing cylinder housed in the hollow portion may come out to the outside of the outer column. Absent.
The reinforcing cylinder is housed in the hollow portion in a state where the reinforcing cylinder is not fixed to either the outer column or the base, and the elastic member is in contact with the outer peripheral surface of the reinforcing cylinder and the inner peripheral surface of the outer column, Since the reinforcing cylinder is disposed apart from the outer column, the reinforcing cylinder that increases the rigidity of the main body column can be easily attached in the outer column.

  In addition, it is preferable that the elastic member is formed in a band shape and wound around the outer peripheral surface of the reinforcing cylinder so that the elastic member can be easily attached to the reinforcing cylinders having different lengths and thicknesses.

  Further, since the reinforcing cylinder is arranged concentrically with the outer column by the elastic member that is in contact with the outer peripheral surface of the reinforcing cylinder and the inner peripheral surface of the outer column, even when the outer column is bent in any direction Since the effect of improving rigidity by the reinforcing cylinder is obtained in the same manner, it is preferable.

  In addition, a second elastic member formed separately from the elastic member and formed from an elastic body having a higher compression elastic modulus than the elastic member is attached to the lower surface of the elastic member on the outer peripheral surface of the reinforcing cylinder. If it is arranged near the lower end of the outer column, the second elastic member, which is made harder to deform than the elastic member, is arranged near the lower end of the outer column, so that it can be bent from the base of the outer column. On the other hand, the main body column is preferable because it exhibits higher rigidity.

  According to the marker column according to the present invention, the main column to be erected can be easily provided with good flexibility and high rigidity.

BRIEF DESCRIPTION OF THE DRAWINGS (a) is a top view and (b) is a front view which shows one Embodiment of the marker pillar which concerns on this invention. It is AA sectional drawing of FIG. FIG. 3 is an enlarged view of the vicinity of a cap in FIG. 2. FIG. 3 is an enlarged view of the vicinity of the base in FIG. 2. It is a front view which shows the external appearance of the reinforcement cylinder of FIG.

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 of the present embodiment is provided with a base 2 formed in a short cylindrical shape and a main body column 10 protruding upward from the upper surface thereof.
The marker pillar 1 of the present embodiment is formed with an anchor bolt portion 21 that protrudes a male screw downward from the lower surface of the base 2, and an anchor nut in which the male screw of the anchor bolt portion 21 is embedded in an installation surface such as a road. It is provided so as to be installed on the installation surface.

The main body column 10 of the present embodiment includes a cylindrical outer column 11 and a cap 3 that is attached to an opening at the upper end of the outer column 11 and closes the opening.
Further, the outer column 11 is provided with flexibility to bend elastically when a vehicle or the like comes into contact with it, and then to restore the original state.
Although the outer pillar 11 of this embodiment is formed with urethane resin, it is not restricted to this, You may form with the various material which makes the outer pillar 11 elastically deformable. For example, natural rubber, butadiene styrene rubber, neoprene, butadiene acrylonitrile rubber, chloroprene polymer, butyl rubber and other synthetic rubbers, polyurethane resin, polyisobutylene resin, ethylene vinyl acetate copolymer, silicone resin, olefin and urethane elastomers Such synthetic resins may be selected or combined.

2 is an AA cross-sectional view of FIG. 1, and FIG. 3 is an enlarged view of the vicinity of the cap 3 of FIG.
The cap 3 forms a substantially disc-shaped top plate portion 31 and a cylindrical tube portion 32 extending downward from the edge of the top plate portion.

A through hole 34 penetrating the cylinder wall is formed near the upper end of the cylinder portion.
Further, a cylindrical insertion portion 33 having a reduced outer diameter is formed at the lower end of the cylindrical portion 32, and the cap 3 extends the insertion portion 33 from the upper end of the outer column 11. It is inserted into the hollow portion 15 and attached to the outer pillar 11.
Specifically, the cap 3 is formed so that the outer peripheral surface of the insertion portion 33 is in contact with the outer pillar 11, and the outer surface of the insertion portion 33 is bonded by the adhesive applied to the outer peripheral surface of the insertion portion 33. The column 11 is bonded and fixed.
The method of fixing the cap 3 to the outer column 11 is not limited to adhesive fixing, and may be selected or combined with bonding, fusion, fixing with screws, rivets, or the like.
By attaching this cap 3, the opening at the upper end of the outer column 11 is closed, and the upper part of the hollow portion 15 of the outer column 11 is closed.

FIG. 4 is an enlarged view of the vicinity of the base 2 in FIG.
The base 2 of this embodiment is formed in a short cylindrical shape, and a circular annular groove 22 is formed concentrically with the base 2 on the upper surface thereof.
The outer column 11 of the main body column 10 has its lower end inserted into the annular groove 22 and is fixed to the base 2 by fusion.
The fixing method of the outer pillar 11 to the base 2 is not limited to fusion, and may be selected or combined by bonding with an adhesive, fixing with a screw, a rivet, or the like.
By attaching to the base 2, the opening at the lower end of the outer column 11 is closed, and the lower part of the hollow portion 15 of the outer column 11 is closed.

A cylindrical support column 25 protruding upward is integrally formed on the upper surface of the base 2.
The support column 25 is provided so as to be concentrically disposed inside the annular groove 22. Specifically, the circumferential surface on the radially inner side of the annular groove 22 extends further upward from the upper surface of the base 2. The support pillar 25 is provided in a shape that forms the outer peripheral surface.
That is, the support column 25 is arranged so that the outer peripheral surface thereof is along the inner peripheral surface of the outer column 11 that is inserted into the annular groove 22 and fixed.

  The support column 25 is provided with flexibility to bend elastically when a vehicle or the like comes into contact with it, and then to restore the original state. Thus, by providing the support pillar 25 having flexibility so as to be disposed inside the outer pillar 11, when the main body pillar 10 is bent near the root due to contact with a vehicle or the like, The restoring force of the support column 25 is added to the restoring force, the restoring force of the main body column 10 is increased, and the main body column 10 can be more reliably returned to the original state.

The support column 25 is formed integrally with the base 2 when the base 2 is formed by injection molding. The base 2 of the present embodiment is formed of a material such that the support column 25 has flexibility, and specifically, is formed of urethane resin.
The material of the base 2 is not limited to urethane resin, but synthetic rubber such as natural rubber, butadiene styrene rubber, neoprene, butadiene acrylonitrile rubber, chloroprene polymer, butyl rubber, polyurethane resin, polyisobutylene resin, ethylene vinyl acetate. A synthetic resin such as a copolymer, a silicone resin, an olefin-based or urethane-based elastomer may be selected or combined.
In addition, the support column 25 is integrally formed when the base 2 is formed, but the present invention is not limited to this, and the support column 25 is formed separately from the base 2 so that adhesion, fusion, The support column 25 may be fixed to the base 2 by selecting or combining the fixing with screws or rivets.

An inner pillar 6 formed in a cylindrical shape is disposed inside the support pillar 25 and fixed to the base 2.
An annular groove 23 arranged concentrically inside the annular groove 22 is formed on the upper surface of the base 2, and the lower end of the inner column 6 is inserted into the annular groove 23 to the base 2. It is fused and fixed.
The annular groove 23 is formed in a circular shape having a smaller diameter than the inner diameter of the support column 25, and the outer peripheral surface of the inner column 6 inserted into the annular groove 23 and the inner peripheral surface of the support column 25 are formed. A gap S is provided between them.
The inner column 6 is formed so as to bend flexibly when subjected to an external force, and then has flexibility to restore the original state. By providing the inner column 6, the restoring force of the main column 10 is increased. As a result, the main body column 10 can be more reliably returned from the bent state to the original state.
As with the fixing method of the outer pillar 11 to the base 2, the fixing method of the inner pillar 6 to the base 2 is not limited to fusion, but can be selected from adhesive bonding, fixing with screws, rivets, etc. Or they may be used in combination.

The inner pillar 6 of this embodiment is formed of urethane resin so as to have flexibility.
The material of the inner pillar 6 is not limited to urethane resin, but synthetic rubbers such as natural rubber, butadiene styrene rubber, neoprene, butadiene acrylonitrile rubber, chloroprene polymer, butyl rubber, polyurethane resin, polyisobutylene resin, ethylene acetate. A synthetic resin such as a vinyl copolymer, a silicone resin, or an elastomer such as olefin or urethane may be selected or combined.
The inner column 6 is fixed to the base 2 by being fused. However, the inner column 6 is not limited to this, and the inner column 6 may be selected or combined by bonding, fusing, fixing by screws, rivets, or the like. May be fixed to the base 2.
Further, the inner pillar 6 may be formed integrally with the base 2 without being formed separately from the base 2.

The hollow portion 15 of the outer pillar 11 is disposed outside the inner pillar 6 to accommodate the reinforcing cylinder 4.
The reinforcing cylinder 4 is formed in a cylindrical shape, and the lower end thereof is inserted into the gap S formed between the support pillar 25 and the inner pillar 6.
Further, the reinforcing cylinder 4 is made of a hard synthetic resin, specifically, a polyethylene resin. By providing the reinforcing cylinder 4, the rigidity of the main body cylinder 10 can be increased, and when the vehicle or the like comes into contact with the main body column 10, the body cylinder 10 is elastically bent and deformed, but a small force that is touched by a person is applied. Can be easily bent and not deformed.
The material of the reinforcing cylinder 4 is not limited to polyethylene resin, and a hard synthetic resin such as polyethylene resin, polypropylene resin, ABS resin, ASA resin, polyvinyl chloride resin, and acrylic resin can be selected or combined. .

The upper end of the reinforcing cylinder 4 is arranged near the upper end of the main body column 10. Specifically, the reinforcing cylinder 4 of the present embodiment is formed such that its upper end is disposed in the vicinity of the top plate portion 31 of the cap 3.
By providing the reinforcing cylinder 4 in this way, when a vehicle or the like comes into contact with the main body column 10, the reinforcing cylinder 4 is lifted by an impact, and the lower end of the reinforcing cylinder 4 rides on the upper end of the support column 25. Since it can prevent, the position of the reinforcement cylinder 4 is stabilized and the favorable rigidity of the main body pillar 10 can be maintained continuously.

FIG. 5 is a front view showing the appearance of the reinforcing cylinder 4 of FIG.
An elastic member 7 and a second elastic member 8 formed separately from the elastic member 7 are attached to the outer peripheral surface of the reinforcing cylinder 4 formed in a cylindrical shape.

The elastic member 7 is formed in a sheet shape having a uniform thickness throughout.
The elastic member 7 is attached by being wound around and attached to the outer peripheral surface of the reinforcing cylinder 4 so as to cover the entire outer peripheral surface of the reinforcing cylinder 4 except for the upper part and the lower part. Specifically, the elastic member 7 is attached in a state where the outer peripheral surface of the reinforcing cylinder 4 makes one round and the both ends thereof are brought into contact with each other.

The second elastic member 8 is formed in a sheet shape having a thickness smaller than that of the elastic member 7 and having a uniform thickness throughout.
The second elastic member 8 is wound around and attached to the outer peripheral surface of the lower portion of the reinforcing cylinder 4, specifically, from the lower end of the elastic member 7 to the lower end of the reinforcing cylinder 4, The reinforcing cylinder 4 is attached so as to cover the entire outer peripheral surface at the bottom. Specifically, the second elastic member 8 is attached in a state where the outer peripheral surface of the reinforcing cylinder 4 makes one round and the both ends thereof are abutted against each other.

As shown in FIG. 4, in the state where the lower end of the reinforcing cylinder 4 is brought into contact with the upper surface of the base 2 and the reinforcing cylinder 4 is accommodated in the hollow portion 15 of the main body column 10, the second elastic member 8. The upper end of the elastic member 7 is positioned slightly above the upper end of the support column 25, and the upper end of the elastic member 7 is positioned slightly below the lower end of the insertion portion 33 of the cap 3. It is made to form.
That is, in a state where the reinforcing cylinder 4 is housed in the hollow portion 15 of the outer column 11, the elastic member 7 is formed so that the outer surface thereof is in contact with the inner peripheral surface of the outer column 11. The two elastic members 8 are formed so that the outer surface thereof is in contact with the inner peripheral surface of the support column 25 of the base 2.

In a state where the reinforcing cylinder 4 is housed in the hollow portion 15 of the outer column 11, the elastic member 7 is in contact with the inner peripheral surface of the outer column 11 over the entire outer surface. Specifically, the elastic member 7 is interposed between the inner peripheral surface of the outer column 11 and the outer peripheral surface of the reinforcing cylinder 4 in a state of being slightly compressed and deformed throughout.
By interposing the elastic member 7 in this way, the outer peripheral surface of the reinforcing cylinder 4 is arranged at a certain distance from the inner peripheral surface of the outer column 11, so that the reinforcing cylinder 4 is outside. It can be provided so as to be arranged concentrically with the pillar 11.

The elastic member 7 is deformed following the deformation when the outer column 11 and the reinforcing cylinder 4 of the main body column 10 are deformed by an external force received by contact with a vehicle or the like. It is formed so that it can be restored to the state of.
The elastic member 7 can be formed using various elastic materials that can follow the deformation of the main body column 10, but in order to easily follow the deformation of the outer column 11 and the reinforcing cylinder 4, 11 and the reinforcing cylinder 4 are preferably formed of an elastic body that is easily deformed and has high flexibility.
Specifically, synthetic rubber, natural rubber, synthetic resin elastomer and the like can be suitably used, and it is more preferable to use these foams. The elastic member 7 of this embodiment is made of foamed polyethylene.

Further, since the elastic member 7 is interposed between the outer column 11 and the reinforcing cylinder 4, the impact transmitted to the reinforcing cylinder 4 is reduced by the elastic member 7 when a vehicle collides with the main body column 10. To be made.
For this reason, damage to the reinforcing cylinder 4 is suppressed, and good rigidity of the main body column 10 is maintained.

Further, the elastic member 7 attached to the reinforcing cylinder 4 is brought into contact over substantially the entire inner side of the outer column 11 in a range from the upper end of the support column 25 to the lower end of the insertion portion 33 of the cap 3. It is provided as follows.
In this way, by bringing the elastic member 7 into contact with each other, it becomes difficult for a portion that is in a soft state without the elastic member 7 to come into contact with the surface of the outer column 11.
For this reason, when a pedestrian or the like touches the signpost 1 installed, it is difficult to feel a sense of incongruity due to the difference in surface hardness of the outer pillar 11, and the outer pillar 11 is provided with a good hand feeling. be able to.

In a state where the reinforcing cylinder 4 is housed in the hollow portion 15 of the outer column 11, the second elastic member 8 has its outer surface at the lower end in contact with the inner peripheral surface of the support column 25 of the base 2. Yes.
The inner peripheral surface of the support column 25 is formed in an inclined surface shape whose inner diameter slightly increases toward the upper side, and when the reinforcing cylinder 4 is inserted inside the support column 25, the second elastic member 8 is in contact with the inner peripheral surface of the support column 25.

The second elastic member 8 is deformed following the deformation when the outer pillar 11 and the reinforcing cylinder 4 are deformed by an external force received by contact with a vehicle or the like, and is restored to its original state when the external force disappears. It is formed so that it can be restored.
Further, the deformed outer column 11 can be restored more strongly by interposing the second elastic member 8 between the support column 25 and the reinforcing cylinder 4.

Similarly to the elastic member 7, the second elastic member 8 can be formed using various elastic materials that can follow the deformation of the main body column 10, and can be formed of the same material as the elastic material 7. Good. That is, as the material for the second elastic member 8, synthetic rubber, natural rubber, synthetic resin elastomer, or the like can be suitably used.
However, the main body column 10 of the marker column 1 is provided so as to bend elastically when receiving a large external force such as a vehicle coming into contact with it, and the main body column 10 is provided with good rigidity. Therefore, when the main body column 10 is bent, deformation such as bending at the base of the outer column 11 is likely to occur.
For this reason, the second elastic member 8 disposed near the lower end of the outer column 11 is supported without being damaged by a large compressive force applied from the support column 25 and the reinforcing cylinder 4 when the outer column 11 is bent. It is preferable to provide a large compressive elastic modulus capable of restoring the deformation of the column 25, and it is preferable to form the material with a compressive elastic modulus larger than that of the elastic material 7.
The second elastic member 8 of this embodiment is formed of styrene-butadiene rubber (SBR).

In the marker column 1 of the present embodiment, the reinforcing cylinder 4 is not fixed to any of the outer column 11, the base 2, the support column 25, the inner column 6, and the cap 3.
Fixing here means adhesive fixing with an adhesive, fusion with the reinforcing cylinder 4 as a base material, fixing with screws, rivets, pins, etc., via an engaging part or a locking part provided on the reinforcing cylinder 4 It means either engagement.

As described above, when the reinforcing cylinder 4 is provided in the hollow portion 15 of the main body column 10 without being fixed to the respective members, when the vehicle contacts the outer column 11 and the main body column 10 is bent, The reinforcing cylinder 4 is displaced within the range of elastic deformation of the elastic member 7 and the second elastic member 8. For this reason, force does not concentrate on the fixed part of the reinforcing cylinder 4, and damage to the main body column 10 is reduced.
When the bending deformation of the outer pillar 11 is restored, the reinforcing cylinder 4 is returned to the original position where it is arranged concentrically with the outer pillar 11 by the restoration of the elastic member 7.

  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 marker column 1 is provided with a support column 25 protruding from the upper surface of the base 2, but the present invention is not limited to this, and the second column attached to the reinforcing cylinder 4 without forming the support column 25. The elastic member 8 may be provided so as to be in contact with the inner peripheral surface of the outer column 11.

In addition, the marker column 1 is provided with the inner column 6 in the hollow portion 15 of the outer column 11, but the present invention is not limited to this, and the main column 10 is provided with sufficient rigidity and a restoring force against deformation. For example, the inner pillar 6 may not be provided.
On the contrary, in order to provide the main body column 10 with greater rigidity and a restoring force against deformation, another column body may be provided inside the inner column 6.

DESCRIPTION OF SYMBOLS 1 Marking pillar 10 Main body pillar 11 Outer pillar 15 Hollow part 2 Base 21 Anchor bolt part 22 Annular groove 23 Annular groove 25 Support pillar 3 Cap 31 Top plate part 32 Tube part 33 Insertion part 34 Through hole 4 Reinforcement cylinder 4 Reinforcement cylinder 6 Inner pillar 7 Elastic member 8 Second elastic member S Crevice

Claims (4)

A sign post comprising a base and a flexible main pillar projecting upward from the base,
The main body column includes a cylindrical outer column, and a cylindrical reinforcing cylinder accommodated in a hollow portion inside the outer column,
The outer column has the base and the cap attached to the lower end and the upper end of the open outer column, respectively, and the hollow portion is closed,
The reinforcing cylinder is housed in the hollow portion in a state in which the reinforcing cylinder is not fixed to either the outer column or the base, and the reinforcing cylinder is elastically abutted on the outer peripheral surface of the reinforcing cylinder and the inner peripheral surface of the outer column. A marker column, wherein the cylinder is provided so as to be spaced apart from the outer column.   The sign post according to claim 1, wherein the elastic member is formed in a belt shape and is wound around and attached to an outer peripheral surface of the reinforcing cylinder.   The said reinforcement cylinder is arrange | positioned concentrically with the said outer pillar by the said elastic member contact | abutted to the outer peripheral surface of the said reinforcement cylinder, and the inner peripheral surface of the said outer column, The Claim 1 or 2 characterized by the above-mentioned. Signpost. A second elastic member formed separately from the elastic member is attached to the outer peripheral surface of the reinforcing cylinder,
The second elastic member is attached below the elastic member and disposed near the lower end of the outer pillar, and the second elastic member is formed of an elastic body having a higher compression elastic modulus than the elastic member. The marker pillar according to any one of claims 1 to 3, wherein

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