SK277729B6 - Plastic directional column of sectional construction - Google Patents

Abstract

Contains not less than three parts whereby the lower carrying part (7) is anchored for example on road base or on safety road barrier. On the opposite side of anchored part (18) of lower carrying part (7) is created an internal installing form (6) in which is inserted the first external installing form (5) of middle part (3), to the second external installing form (5') of which the the upper part (2) is inserted by internal installing form (6'). Outside dimensions of installing forms (5,5') of middle part (3) match with inside dimensions of installing forms (6,6') of lower carrying part (7) and upper part (2) and cross sections of external installing forms (5,5') of middle part (3), as well as internal cross sections (6,6') of upper lower carrying part (7) and the upper part (2) are identical with external cross sections of lower part (7), middle part (3) and upper part (2) as to the shape. Lower carrying part (7) and upper part (2) are made from color identical material, the middle part (3) is made from color different material. In the middle part (3) are created on the walls the recesses for reflecting glass (4) fixing. The lower carrying part (7), the middle part (3) and the upper part (2) are locked against slip out.

Description

Technical field

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plastic directional pillar of a modular construction, in particular for demarcation of roads, highways, for use as a directional pillar on a crash barrier, etc.

BACKGROUND OF THE INVENTION

Current directional poles for road, motorway, crash barrier etc. they are mostly made up of one body, without essential functional features. To meet the road, road, highway, road boundary standards these posts shall be color coded in their central part and shall contain other elements, such as colored foil cuffs or colored foil cuffs with reflectors.

Directional posts are also known, the body of which is composed of a plurality of parts, butt welded together or by longitudinal weld. Assembly of such posts is difficult because the individual parts of the body of the posts have no lead-in shapes. This increases the assembly effort, i. positioning the individual parts of the column body relative to one another and then welding along the entire circumference of the parts to be welded.

The disadvantages of the above-described directional posts are their uniqueness, mutual non-adaptability and unmistakability of individual parts. If any part of the column body is damaged, eg. after impact by the vehicle, the entire body of the post must be replaced, which is economically disadvantageous. Also, providing color coding for the central body portion of the post that is required increases the cost of manufacturing.

It is known from the Swiss application of the invention to a post comprising a one-piece base body. A protective cover or sleeve is attached to this body to ensure the distinctive and functional operation of the post in the upper part, to which the signaling elements, i.e. colored foil cuffs or colored reflective foil cuffs. The need to add a cover or protective sleeve to the base body substantially increases the cost of ensuring the post is functioning properly, otherwise the post is inoperative. In addition, the protective cover or housing must be of such a mass as to permit good adhesion of the signaling element. Furthermore, as stated in the application, the housing or protective cover must be partially covered with a reflecting color, which again entails increased production costs. And in such a solution, if the base carrier is damaged, the entire post must be replaced.

A common disadvantage of all the columns described above, apart from the disadvantages already described, is that their central part, on which the signaling element is located, has to be color-coded in a separate operation. As a signaling element, a colored foil cuff or a colored foil cuff with reflectors, which is most often damaged in the event of a vehicle impact or also due to weathering, is generally used. Damage to the foil cuffs may result in loss of orientation of the drivers on the road, especially in curves, which can cause traffic accidents.

SUMMARY OF THE INVENTION

The aforementioned drawbacks of the present directional posts are largely eliminated by the plastic directional post of the modular construction according to the invention, the body of which comprises at least three parts, the lower support part being anchored on, for example, a foot or a barrier. The essence of the solution is that on the opposite side of the anchored part of the lower support part, an inner guide shape is formed, into which the first outer guide shape of the middle part is introduced at one end. At the other end of the central part, a second outer guide shape is formed into which the upper part is introduced by the inner guide shape. In order to ensure easy manufacturing of the individual parts to be joined in one operation, the outer dimensions of the insertion shapes of the middle part correspond to the internal dimensions of the insertion shapes of the lower part and the upper part and the cross sections of the outer insertion shapes, both the middle part and the inner cross sections of the lower part identical in shape to the outer cross-sections of the lower part, the middle part and the upper part. Therefore, so that the central part does not have to be sufficiently colorfully different from the lower supporting part and the upper part, as required by the standards, after manufacture, it is entirely made of a different color.

The most commonly used plastic directional pillar is a solution with parts that are in the shape of an isosceles triangle, the corners of the triangle being rounded. However, the assembled body can also be made in a tubular or oval profile.

It is advantageous if the outer insertion shapes of the central part have closed faces, as this will strengthen the entire composite body of the post.

On the walls of the central part there are embossments in which reflectors of various geometric shapes are attached - e.g. rectangular, circular, etc. If the cross-section of the column body part is designed in the shape of an isosceles triangle, the recesses for attaching reflectors are formed on the isosceles walls. The attachment of the reflectors to the central part is in the form of a lock which is part of the reflectors and is of the same material.

However, the method of interconnecting only by inserting the insertion shapes of the individual pillar body parts into each other may not meet the requirements of all standards and users, and therefore the pillar body parts are secured against ejection. The securing of the parts against ejection can be carried out in a detachable or non-detachable manner.

One of the preferred solutions of the releasable securing of the post body parts against the ejection is the locking provided by a lock which is provided by forming protrusions on the outer insertion shapes of the middle part and by creating openings in the inner insertion shapes of the lower support part and the upper part.

Another method of releasably securing the post of a post body is by securing by means of removable threads and pins which are inserted into common openings formed on the outer shapes of the upper and lower parts.

The releasable locking can also be provided by overlapping the outer or inner inserter of the connecting parts. Typically, the overhang will be formed to fit the outer insertion shapes of the central post body portion.

Some standards and the requirements of some users will require that the directional post body be rigidly formed and cannot be disassembled. To meet this requirement, the pillar body parts which are inserted into each other by their insertion shapes and thus axially mounted are only fixed by spot welding.

By providing a post body according to the invention, advantages can be achieved that can be divided into advantages for the directional post manufacturer and for the consumer.

The advantage for the manufacturer is that by properly interchanging (combining) the individual pillar body parts, the production of the individual pillar body parts can be easily, quickly and cost-effectively adapted to the requirements of different types of pillars and standards. This will reduce mold production costs and hence the cost of the directional column.

The user benefits from easy replacement of parts, especially during repair and maintenance. It will also reduce the transport effort when replacing defective parts, as the entire pillar body does not need to be transported, but only the damaged part.

A further advantage of the solution is that the central part of the column body is colored throughout the material and therefore no colored foil cuffs or colored foil cuffs with reflectors need to be mounted on the phto. As a result, they cannot be damaged as a result of weather conditions and therefore will increase road safety. The coloring of the central part is carried out according to the requirements of the user and the relevant standard.

By attaching retro-reflectors to the central part of the column body by means of a lock which forms a unit with the retro-reflectors, it prevents the reflective surface of these retro-reflectors from being reduced by other detachable fastening means.

BRIEF DESCRIPTION OF THE DRAWINGS

In FIG. 1 is an overall view of a pillar body composed of three parts; FIG. 2 is an exploded view of the body parts of the post; FIG. Fig. 3 is a cross-sectional view of the central portion of the pillar body of the triangular shape with rounded corners; 4 shows the locking of the individual body parts by means of a lock; FIG. 5 shows the securing of the individual body parts by means of a detachable rivet, FIG. 6 shows the attachment of the reflectors to the central part of the column body; FIG. Figures 7, 8 and 9 show further possible combinations of the construction of the individual parts of the column body and their interconnection and mounting; Figures 10 and 11 show examples of anchoring the composite body of a post, on a foot placed in the ground and on a bracket to the crash barrier.

DETAILED DESCRIPTION OF THE INVENTION

The pillar body of the triangular profile 1 of FIG. 1 and 2 is comprised of an upper part 2, a middle part 3 and a lower support part 7. The lower support part is anchored by a portion 18 on a foot 19 in the ground or on a barrier 20 as shown in FIG. 10 and 11. The lower support member may be made of a flexible or shattering material according to safety requirements. On the inner introducer shape 6 of the lower support part, the middle outer part 3 is inserted by the first outer introducing shape 5. On the second outer introducer shape the middle part 3, the inner introducer 6 is inserted in the shape of the upper part 2 which is closed from the other side. The central part 3 with the introductory shapes is differently colored throughout the mass, for example from black, from the lower support part and the upper part 2. The insertion shapes of the central part 3 are made with closed faces 16. On the central part, as shown in FIG. 3, two overhangs 15 are formed on the walls 21, one in the direction of travel and the other in the opposite direction. Reflectors are fitted in the recesses. The attachment of the reflectors 4 to the central part 3 is in the form of a lock 17 (FIG. 6), which is part of the reflectors and is of the same material. The interconnection of the upper part 2, the middle part 3 and the lower support part 3 in this case is effected by their mutual insertion into the insertion shapes, without further securing against extension.

According to FIG. 4 and 5, when the same reference numerals are used for the same elements as in FIG. 1 and 2, examples are provided of securing the middle part 3 with the lower support part, by means of a lock 8 (FIG. 4) and by detachable rivet 12 and pin 13 (FIG. 5).

The lock of FIG. 4 is formed by a projection 9 formed on the first outer guide shape 5 of the middle part 3 and an opening 10 in the wall of the inner guide shape 6 of the lower support part 7. For easy insertion of the first outer guide shape 5 of the middle part 3 into the inner shape 6 of the lower support part 7 In the face of the inner shape 6 of the lower support 7, a chamfer 11 is made. Dismantling of this connection can be carried out by pressing on the lower support 7 and pulling out the middle 3.

The connection by means of a detachable thread 12 and a pin 13, according to FIG. 5, the holes 14 are formed in the insertion shapes of the central part 3 and the lower support part 7, into which the thread 12 and the pin 13 are inserted after the parts to be joined are placed together.

4 and 5, other parts of the column body can also be secured against ejection.

It will be understood that various combinations of the preceding examples may be used to secure the individual body portions of the post against extending, depending on how the insertion shapes on the individual portions are made as shown in Figures 7 to 9.

However, the basic mounting and connection of the individual body parts will always be carried out by sliding them together through the insertion shapes.

The production of the individual parts of the column body is carried out by injection molding, injection molding or a combination of the above technologies.

Claims (10)

PATENT CLAIMS A plastic directional pillar of modular construction, in particular for demarcation of roads, motorways, for warning and the like, the body of which comprises at least three parts, the lower supporting part being anchored, for example to a foot or to a barrier, on the side of the anchored part (18) of the lower support part (7), an inner guide shape (6) is formed, into which the outer guide shape (5) of the middle part (3) is introduced, on which the second outer guide shape (5 ') is introduced with the insertion shape (6 ') of the upper part (2), the outer dimensions of the insertion shapes (5, 5') of the middle part (3) corresponding to the inner dimensions of the insertion shapes (6, 6 '). the lower support part (7) and the upper part (2), wherein the cross-sections of the insertion shapes (5, 5 ', 6, 6') are identical in shape to the outer cross-section of the lower part (7), middle part (3) and upper part (2) ), wherein the central part (3) with the introducing shapes (5, 5 ') is differently colored throughout the mass from the lower support part (7) and the upper part (2), which are identical in color. 5 2. The plastic directional pillar of the modular structure according to item la2, characterized in that the lower support part (7), the middle part (3) and the upper part (2) are in the shape of an isosceles triangle with rounded faces. 10 3. The plastic directional pillar of the modular structure according to claim 1 and 2, characterized in that the outer insertion shapes (5, 5 ') of the central part (3) are formed with closed faces (16). 4. The plastic directional pillar of the modular structure 15 according to points 1 to 3, characterized in that the walls (21) of the central part (3) are provided with recesses (15) in which the reflectors (4) are attached. 5. The plastic pillar of the modular structure according to claim 4, characterized in that the attachment of the reflectors (4) to the recesses (15) of the central part (3) is in the form of a lock (17). 6. The modular plastic post of the modular construction according to claims 1 to 4, characterized in that the lower support part (7), the middle part (3) and the upper part (2) are secured against extending. 7. Plastic modular post according to claim 6, characterized in that the parts (2, 3, 7) are prevented from sliding out in the form of a lock (8). 30 8. Plastic modular post according to claim 6, characterized in that the anti-ejection of the parts (2, 3, 7) is provided by threads (12) and pins (13) which are inserted into common openings (14) formed on outer guide shapes (5, 35) 5 ') of the central part (3) and the internal insertion shapes (6, 6') of the upper part (2) and the lower support part (7). 9. The plastic directional column of the modular structure according to claim 6, characterized in that the securing of the parts (2, 3, 7) against protrusion is effected by spot welding 40. 10. Plastic modular post according to claim 8, characterized in that the anti-ejection of the parts (2, 3, 7) is effected by an overlap on the outer insertion shapes (5, 5 ') of the central part (3).