JP2005200989A - Traffic sign post - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a traffic sign post which can be inexpensively realized while using a not molding, straight shaped traffic design post body and the traffic sign post body is hard to separate from the pedestal even when it gets into contact with the wheel. <P>SOLUTION: In the traffic sign post formed of a hollow traffic sign post body 1 and the pedestal fixed to the lower end, the pedestal is constituted of the lower pedestal 2D and the upper pedestal 2U divided into a plurality of sections, the lower end of the traffic sign post body 1 is fitted to a fitting wall 3 formed at the lower pedestal 2D to erect the traffic sign post body 1 from the lower pedestal 2D, and radially slide the upper pedestal 2U, insert pins 5 of the upper pedestal into pinholes 4 formed in the fitting wall 3 of the traffic sign post body 1 and the lower pedestal 2D, hold the lower part of the traffic sign post body 1 by the upper pedestal 2U divided, in this condition, unite the upper pedestal 2U and the lower pedestal 2D by bolts, and detachably assemble the traffic sign post body 1 and the pedestal. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a road sign post used for a center line of a roadway, a lane change line, a separation zone, and the like.

  On expressways or general roads, it is common to install road sign pillars on the road surface at predetermined intervals to indicate center lines, lane change lines, separation zones, etc. In order to alleviate the impact on the vehicle and to prevent damage, a road sign pillar that is bent when the vehicle contacts and can be immediately restored when the vehicle passes is used.

The above road sign post consists of a pedestal fixed to the road and a sign post main body standing up from the base, and the base is formed integrally with the sign post main body, and the base and the sign post main body are detachably assembled. There is something attached. For example, if the sign post body and the pedestal are fixed together, it is necessary to replace the entire road sign post including the pedestal even if only the sign post main body is damaged. There is a problem, and in order to improve such a point, it has been proposed that the pedestal and the sign post main body are configured to be detachable so that the maintenance cost can be reduced. An example is as follows.
JP 2000-319829 A JP 2000-144655 A JP 2000-136513 A

Although the sign post itself bends when the vehicle comes into contact with the vehicle, it cannot be restored when the vehicle passes, but the pedestal and the sign post can be attached to and detached from a road sign consisting of a pedestal and a sign post. The construction is known as shown in the following document.
US Pat. No. 5,197,819 US Pat. No. 4,123,183 US Pat. No. 4,269,534 US Pat. No. 4,596,489

  FIG. 7 is a cross-sectional view showing a coupling structure between the pedestal and the marker column body of Patent Document 1, wherein a is the marker column body and b is the pedestal.

  The sign post body a is a hollow cylindrical body made of a material having required physical properties such as polyurethane, and a flange portion a1 extending in the horizontal direction at a lower end thereof and a hanging portion bent downward from the periphery of the flange portion a1 Part a2 is formed. The pedestal b is a molded product made of polyethylene or the like, and has an upper and lower pedestal b1 and a lower pedestal b2, and is divided into upper and lower parts. Although not shown, the upper pedestal b1 is further divided into three parts. It has become. The upper pedestal a1 and the lower pedestal b2 are formed with a vertical pinching part b3 and a horizontal pinching part b4 corresponding to the flange part a1 and the hanging part a2 of the marker column main body a, The flange part a1 of the marker column body a is clamped by the vertical clamp part b3, and the hanging part a2 of the marker column body a is clamped by the horizontal clamp part b4, and the fixing screw c is tightened in this state. The upper pedestal b1, the lower pedestal b2, and the sign post body a can be firmly fixed.

  Since the prior art shown in FIG. 7 is configured as described above, when the sign post body or a part of the upper and lower pedestals are damaged due to contact with the vehicle, etc., only the damaged parts need to be replaced. Maintenance costs can be reduced. However, this conventional technique has a problem that the manufacturing cost is increased because the molded article having the flange portion and the hanging portion must be used as the sign post body. Since it has a pinching structure for the purpose of withstanding a collision at a time (about 20 KM / H), when sudden braking is applied on a signpost at a higher speed (for example, 30 KM / H or more) May cause the sign post body to detach from the pedestal and scatter.

  The present invention improves the above-mentioned problems of the prior art and allows the sign post body and the pedestal to be detachable so as to reduce maintenance costs. To provide a road sign post that can be implemented inexpensively using a straight sign post body and that the sign post body does not easily come off the pedestal even if it collides with a vehicle and breaks. With the goal.

  In order to solve the above-described problems, the present invention provides a road sign post comprising a hollow sign post main body and a base fixed to the lower end of the sign post main body, and a fixing pin at the lower end of the sign post main body. A hole is provided, on the other hand, the pedestal is constituted by a single lower pedestal and a plurality of divided upper pedestals that hold the sign post main body, and the lower pedestal matches the pin hole of the sign post main body And a pin that fits between the pin hole of the marker column body and the pin hole of the marker column body mounting wall on the surface of the upper base that faces the marker column body. The lower end of the sign post main body is fitted to the sign post main fitting wall of the lower pedestal, and then the upper pedestal is slid so that the pin of the upper pedestal is connected to the pin hole of the sign post main body and the lower pedestal. Inserted into the pin hole and marked by its upper pedestal To embrace the lower part of the body, and wherein the fixed screwed to the lower base of the respective upper base in this state.

  As described above, the road sign post of the present invention is such that the lower end of the sign post main body is fitted to the fitting wall of the lower pedestal, the sign post main body is erected from the lower pedestal, and then the sign post main body and the lower pedestal are fitted. The pin of the upper base is inserted into the pin hole provided in the joint wall, and in that state, the upper base and the lower base are joined with screws to detachably attach the sign post body and the base. In addition to providing a low-priced product that uses the shape of the sign post body, the sign post body and pedestal are very tightly coupled, and the sign post body can be easily removed from the pedestal even if it collides with a vehicle. Thus, it is possible to provide a sign post that can be safely guided without the risk of detachment.

Embodiments of the present invention will be described below with reference to FIGS.
FIG. 1 is a perspective view in an assembled state showing an embodiment of the present invention, FIGS. 2A and 2B are explanatory views showing an exploded view of a sign post body and a pedestal, and FIGS. 3A to 3C. FIG. 4 is an explanatory view showing an assembling method, and FIG. 4 is a cross-sectional view of a main part showing an assembled state.

  As shown in these drawings, the road sign pillar of the present invention is composed of a sign pillar main body 1 and a pedestal 2 for erecting the sign pillar main body on the road.

  The sign post body 1 is configured to form a hollow cylinder with an elastic body that can be bent and restored after contact with a vehicle, for example, polyurethane having physical properties shown in Table 1 below. The material is not limited to this.

  The pedestal 2 is formed of a hard synthetic resin, for example, polyethylene having physical properties shown in Table 2 below, but the material is not limited to this.

  In the illustrated embodiment, the sign post body 1 is a hollow section having a triangular cross section, and two pin holes 11 directed in the horizontal direction are formed in each flat portion at the lower end thereof.

  As shown in FIG. 2B, the pedestal 2 is divided into a plurality of (three in the illustrated embodiment) upper pedestals 2U1, 2U2, and 2U3 so as to surround the sign post body, It is comprised by lower base 2D. A main body fitting wall 3 having a shape (triangular in the embodiment) for fitting and holding the marker column main body 1 is formed upright on the lower pedestal 2D, and the pin of the marker column main body 1 is pinned on the main body fitting wall 3. A pin hole 4 adapted to the hole 11 is formed, and further, the divided upper bases 2U1, 2U2, 2U3 (hereinafter simply referred to as 2U) are connected to the pin hole 11 of the marker body and the pin hole 4 of the body fitting wall. A suitable pin 5 is provided so as to project, and a fixing means for integrally coupling the upper base 2U and the lower base 2D is provided at a position where the pin 5 is inserted into the pin holes 11 and 4. That is, in FIGS. 1 and 4, reference numeral 6 denotes a bolt as a fixing means for the upper pedestal 2U and the lower pedestal 2D, and the bolt 6 is inserted into the screw hole 7 at the position where the pin 5 is inserted into the pin holes 11 and 4. The upper pedestal 2U and the lower pedestal 2D can be integrally coupled by screwing. In that case, the insertion hole 8 of the bolt 6 provided in the upper pedestal 2U slides the upper pedestal 2U in the radial direction so that the pin 5 can be inserted into the pin holes 11 and 4. As shown in FIG.

  Since the road sign post of the present invention is configured as described above, the lower end of the sign post main body 1 is fitted to the main body fitting wall 3 of the lower pedestal 2D as shown in FIGS. 3 (A) and 3 (B). At the same time, the upper pedestals 2U1 to 2U3 divided around the sign post main body are temporarily placed, and then the upper pedestals 2U1 to 2U3 are slid in the radial direction as shown in FIGS. The pin 5 is inserted from the pin hole 11 of the sign post body 1 to the pin hole 4 of the body fitting wall 3 and the base part of the sign post body is attached by the upper bases 2U1 to 2U3, and the bolt 6 is tightened in this state. By fixing the upper pedestal 2U and the lower pedestal 2D, the sign post body 1 and the pedestal 2 can be firmly integrated.

  In the above embodiment, as shown in FIG. 5 (A), the cross-sectional shape of the sign post body is applied to a shape in which each ridge line is continued with a gentle curved surface based on a triangle. However, the present invention is not limited to such an embodiment, and the ridge line portion as shown in FIG. Alternatively, the present invention can be applied to a hexagonal shape as shown in FIG. 5C, or a cylindrical shape as shown in FIG.

  Further, in this embodiment, a through hole 9 for a road surface installation bolt (not shown) to be screwed with an embedded metal fitting embedded in the road is provided in the central portion of the lower pedestal 2D, and the upper pedestal 2U and the lower pedestal 2D. Are provided with three through-holes 10 for road surface installation bolts (not shown), and one of the road surface installation bolt through-holes 9 and 10 is selected on the road surface for the road of the present invention. Although it has been shown that the sign post can be installed upright, the sign post of the present invention is not limited to such an installation method, and any of the through holes are not used, and an adhesive is used on the road surface. It can also be applied to a system in which it is installed by being adhered to the surface.

  FIG. 6 is a bottom view showing an example of a lower pedestal that can be used by selecting an installation method using the bolt and an installation method using an adhesive, and 9 and 10 are through-holes 6 of the bolt. A screw hole for a bolt that joins the upper pedestal 2U and the lower pedestal 2D is shown. In the present invention, a plurality of types of depths that use both an adhesive reservoir and a thinning for improving formability on the bottom surface of the lower pedestal 2D Grooves 12 to 15 are formed. For example, the inner peripheral side is a combination of a groove 15 having a depth of 10MM and a groove 12 having a depth of 5MM in consideration of the thickness reduction and the amount of adhesive, and the outer peripheral side has a depth of 5MM in consideration of saving of the adhesive. The groove 13 and the groove 14 having a depth of 2MM are combined.

  As described above, the bottom pedestal of the road marking pillar according to the present embodiment includes the grooves 12 to 15 in addition to the central bolt through hole 9 and the three bolt through holes 10 arranged around the through hole 9 shown in FIG. By engraving, the groove 12-15 is filled with an adhesive and a road surface installation method using only the adhesive, and bolts that pass through the three bolt through holes 10 are attached to the road surface anchors, and the grooves 12-15 are mounted. Road surface installation method using adhesive and three bolts for filling adhesive, bolt for penetrating the bolt through hole 9 to an anchor on the road surface, and adhesive for filling the grooves 12 to 15 with adhesive and a central single bolt The road surface installation method by can be adopted.

  As described above, the road sign pillar of the present invention is such that the lower end of the sign pillar is fitted to the fitting wall of the lower pedestal and the sign pillar main body is erected from the lower pedestal, and then the sign pillar main body and the lower pedestal Since the pin of the upper pedestal is inserted into the pin hole provided in the fitting wall, and the upper pedestal and the lower pedestal are coupled with screws in that state, the sign post body and the pedestal are assembled detachably. Of course, it is possible to replace only the damaged part when it breaks due to contact with, etc., but it is also possible to provide an inexpensive product using a straight-shaped sign post body that is not a molded product. At the same time, the replacement cost of the sign post body in the event of damage can be reduced, and the sign post body and pedestal are very tightly coupled so that the sign post body can be easily removed from the pedestal even if it collides with a vehicle. Safe without fear of leaving It is possible to provide the induction can be labeled columns. That is, according to the result of the experiment, the product constructed according to the above example was collided 10 times in a vehicle with a speed of 40 KM / H and a weight of 2.2 TON with movement, but the product was not damaged. .

It is a perspective view of the assembly state which shows one Embodiment of the road sign pillar by this invention. It is explanatory drawing which decomposes | disassembles and shows the marker pillar main body by this embodiment, and a base. It is explanatory drawing which shows the assembly state by this embodiment. It is sectional drawing of the principal part which shows the assembly state by this embodiment. It is sectional drawing which shows embodiment of the label | marker pillar main body used for this invention. It is a bottom view which shows one Embodiment of the lower base by this embodiment. It is sectional drawing which shows the prior art example of the coupling | bonding structure of the marker pillar main body by this embodiment, and a base.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Marking pillar main body, 11 ... Pin hole, 2 ... Base, 2U1-2U3 ... Split upper base, 2D ... Lower base, 3 ... Mark formed on the lower base Mounting wall of the column body, 4 ... pin holes, 5 ... pins formed on the divided upper pedestal, 6 ... bolts, 7 ... screw holes, 8 ... elongated holes, 9, 10, ..Through holes for road surface installation bolts, 12, 13, 14, 15...

Claims (2)

  In a road sign post comprising a hollow sign post body and a pedestal fixed to the lower end of the sign post main body, a pin hole for fixing is provided at the lower end of the sign post main body, while the pedestal is attached to a single lower part. A sign post body fitting wall having a pin hole that matches the pin hole of the sign post main body is provided on the lower base, and is configured by a base and a plurality of divided upper bases that hold the lower part of the sign post main body. In addition, a pin that fits between the pin hole of the marker column body and the pin hole of the marker column body fitting wall is projected from the surface of the upper pedestal facing the marker column body, and the marker column body of the lower pedestal is fitted. The lower end of the sign post body is fitted to the wall, and then the pins of the divided upper pedestal are inserted into the pin holes of the sign post main body and the pin holes of the lower pedestal, and the lower part of the sign post main body is held by each divided upper pedestal. And hold each upper pedestal to the lower pedestal in this state Road sign posts, characterized in that was. 2. The road sign pillar according to claim 1, wherein a cross-sectional shape of the sign pillar main body is a polygon based on a triangle.

Images