KR100744051B1 - Fiber Reinforced Composite Handrail - Google Patents

Abstract

The present invention is manufactured by using a tubular member made of a fiber reinforced composite material made of a reinforced fiber and a resin, and thus has a high strength, excellent durability against corrosion and salty environments, and a fiber reinforced composite of a new structure that is easy to assemble and construct. It relates to a material railing structure.

In the present invention, the tubular strut member 10 is installed vertically at a predetermined interval, the tubular upper horizontal member 20 and the lower horizontal member are connected horizontally to the upper and lower portions of the strut member 10, respectively. (21) and a vertical member (22) for vertically connecting between the upper horizontal member (20) and the lower horizontal member (21); The support member 10 is inserted into and fixed to the protruding insertion portion 13 of the support base member 11 fixedly installed on the ground 2; A horizontal through hole is formed in the support member 10, a horizontal connection member 23 is inserted through the through hole, and the horizontal connection member 23 is inserted through the support member 10. In both ends of the horizontal connecting member 23 is inserted into the end of the tubular lower horizontal member 21 connected to each side, one end is formed in a shape corresponding to the circumference of the tubular holding member 10 side The intermediate connecting member 24 configured to surround the side of the support member 10 is fitted on the horizontal connecting member 23 so that the side surface of the support member 10 is installed in a state of being connected to the end of the lower horizontal member 21. The strut member 10 and the horizontal members 20 and 21 are coupled to each other in a wrapped form; An insertion hole into which the vertical member 22 can be inserted is formed in the lower surface of the upper horizontal member 20, and the vertical member 22 can be inserted into the upper surface of the lower horizontal member 21. A ball is formed, and each end of the vertical member 22 is inserted into and fixed to the insertion hole; The strut member 10, the strut base member 11, the horizontal members 20 and 21, the vertical member 22, the horizontal connecting member 23 and the intermediate connecting member 24 may be polyester, vinyl ester, panol or epoxy. A handrail structure is provided, comprising a fiber-reinforced composite material composed of a resin selected from and reinforcing fibers.

Handrail, composite material, fiber reinforcement, light weight, durability

Description

Fiber Reinforced Composite Handrail

1A is a schematic perspective view of a handrail structure in accordance with one embodiment of the present invention.

FIG. 1B is a schematic front view of the handrail structure shown in FIG. 1A.

Figure 2 is a schematic exploded perspective view of the holding member, the upper horizontal member, the lower horizontal member constituting the handrail structure shown in Figure 1b.

3A is a schematic perspective view showing details of the portion indicated by circle A of FIG. 1B.

FIG. 3B is a schematic cross-sectional view showing details of the portion indicated by circle A of FIG. 1B.

FIG. 3C is a schematic cross-sectional view showing details of the portion indicated by circle B of FIG. 1B.

Figure 4 is a schematic perspective view of the intermediate connecting member provided in the handrail structure of the present invention.

Figure 5a is a schematic perspective view of the corner connecting material used in the bent portion in the railing structure of the present invention.

5B is a schematic cross-sectional view illustrating a state in which the corner connecting member shown in FIG. 5A is coupled to an end of the horizontal member.

Figure 5c is another embodiment of the corner connecting material used in the handrail structure according to the present invention, a schematic perspective view of an angle-variable corner connector that can be used even when the corner portion of the handrail structure is acute or obtuse.

6A is a schematic front view of a handrail structure in accordance with another embodiment of the present invention.

FIG. 6B is a schematic detail of the portion labeled circle C in FIG. 6A.

FIG. 7A is a schematic detail of the portion indicated by circle D in FIG. 6A.

FIG. 7B is a schematic cross-sectional view taken along the line E-E of FIG. 7A.

<Explanation of symbols for the main parts of the drawings>

10: holding member 20: upper horizontal member

21: lower horizontal member 23: horizontal connecting member

The present invention relates to a fiber reinforced composite handrail structure. Specifically, the present invention is manufactured by using a tubular member made of a fiber-reinforced composite material made of a reinforced fiber and a resin, thereby providing high strength and excellent durability against corrosion and salty environments. The present invention relates to a fiber reinforced composite handrail structure having a new structure that is easily assembled and constructed.

Balustrade structures have mainly consisted of steel or stainless steel. However, the conventional railing structure made of stainless steel has the following problems. First, when a railing structure is exposed to a high corrosion environment such as salt and chemicals, corrosion progresses as time passes and the cross section of each member constituting the railing structure decreases, resulting in deterioration of structural stability of the railing structure. This will occur.

In particular, since stainless steel is expensive, it takes a lot of initial installation cost of the railing structure, and there is a disadvantage that periodic maintenance is required to prevent corrosion and discoloration after installation. In addition, the handrail structure made of steel or stainless steel is not easy to transport or assemble because the weight of each member is large, and to form a handrail structure, welding is required. Heat deformation may occur and welding defects may occur, so special care should be taken in quality control.

As such, conventional railing structures made of steel or stainless steel have various inconveniences and disadvantages, and the present invention has been developed to overcome the inconveniences and disadvantages of such conventional railing structures.

Specifically, in the present invention, not only has a high strength, but also has a high durability and corrosion resistance even in a corrosive environment, easy maintenance and handling, handling, assembly, etc. made of a structure that has a high workability The purpose is to provide handrail structures.

An object of the present invention described above is a tubular strut member installed vertically at predetermined intervals, a tubular upper horizontal member and a lower horizontal member connected horizontally to upper and lower portions of the strut member, respectively, and the upper horizontal portion. It comprises a vertical member for vertically connecting between the member and the lower horizontal member; The support member is inserted into and fixed to the protruding insertion portion of the support base member fixed to the ground; A horizontal through hole is formed in the support member, and a horizontal connection member is inserted through the through hole, and both ends of the horizontal connection member are connected to both sides while the horizontal connection member is inserted through the support member. Is inserted into the end of the tubular lower horizontal member, one end portion is formed in a shape corresponding to the circumferential side of the tubular holding member, the intermediate connecting member configured to surround the side of the holding member is fitted on the horizontal connecting member to the lower horizontal The strut member and the horizontal member are coupled to each other in a form in which a side surface of the strut member is wrapped in a state of being joined to an end of the member; An insertion hole into which a vertical member can be inserted is formed at a lower surface of the upper horizontal member, and an insertion hole into which the vertical member can be inserted is also formed at an upper surface of the lower horizontal member, so that the ends of the vertical member are respectively Has a structure inserted into and fixed to the insertion hole; The strut member, the strut base member, the horizontal member, the vertical member, the horizontal connecting member and the intermediate connecting member are made of a fiber-reinforced composite material composed of a resin selected from polyester, vinyl ester, panol or epoxy, and reinforced fiber. Balustrade structures are provided.

In the present invention, as an embodiment of the above handrail structure, in addition to the above-described configuration, the insertion portion of the corner connecting member consisting of a bending portion for connecting the insertion portion and the insertion portion in a bent form, each of the horizontal member disposed in the bent form By being inserted and installed at the end, a handrail structure is provided, wherein the horizontal members have edge portions bent from each other.

In addition, in the present invention as an embodiment of the above handrail structure, in addition to the above configuration when the upper horizontal member and the holding member is coupled, the lower portion of the upper horizontal member in the position where the upper horizontal member and the holding member is coupled A lower insertion hole is formed to be connected to an end of the support member, and one side of the vertical connection member connecting the upper horizontal member and the support member is inserted into the lower insertion hole, and the other side of the vertical connection member is the support member. It is inserted into the inner coupling, the intermediate connecting member is inserted into the intermediate connecting member is inserted on the end of the support member is installed on the vertical connecting member, when the holding member and the upper horizontal member is coupled, one side of the intermediate connecting member is A handrail structure is provided which surrounds a lower surface of an upper horizontal member.

In addition, in the present invention as an embodiment of the above handrail structure, in the above configuration, the horizontal member has a structure in which the horizontal members of both sides are connected to each other, both ends of the horizontal member to be connected to each other is inserted across the horizontal connecting member Horizontal members on both sides are connected to each other, and the insertion part for inserting the end of the vertical member is formed in the horizontal connection member for insertion of the vertical member is installed on the lower surface or the upper surface of the horizontal member Balustrade structures are provided.

Hereinafter, with reference to the accompanying drawings illustrate the structure of the handrail structure according to the present invention.

1a shows a schematic perspective view of a handrail structure 1 according to an embodiment of the invention, and FIG. 1b shows a schematic front view of the handrail structure 1 shown in FIG. 1a.

As shown in the figure, the handrail structure 1 has a tubular strut member 10 installed vertically at predetermined intervals and a tubular upper horizontally connected to the upper and lower portions of the strut member 10, respectively. The member 20 and the lower horizontal member 21, and the vertical member 22 for vertically connecting between the upper horizontal member 20 and the lower horizontal member 21 is configured.

FIG. 2 is a schematic exploded perspective view of the strut member 10, the upper horizontal member 20, and the lower horizontal member 21, and FIG. 3A is a schematic view showing details of the portion indicated by circle A of FIG. 1B. A perspective view is shown, and FIG. 3B shows a schematic cross sectional view showing the details of the portion indicated by circle A of FIG. 1B. First, referring to FIG. 2 and FIG. 3A, the installation structure of the support member 10 will be described. The support base member 11 is fixedly installed on the ground 2 on which the handrail structure 1 is constructed. The support base member 11 includes a protrusion insertion portion 13 into which the support member 10 is inserted, and a bottom plate 14 integrally connected to the protrusion insertion portion 13, and has a bottom fixing part such as an anchor. The bottom plate 14 is fixed to the ground 2 by the ashes 12. Ribs (not shown) may be formed to reinforce the protruding insert 13. In the present invention, the strut member 10 is a tubular member made of a fiber reinforced composite material, and as shown in FIG. 2, the lower end portion is inserted into the protruding insert portion 13 of the strut base member 11. It is fixed. In order to fix the lower end of the support member 10 firmly, an inner surface of the insertion hole of the protruding insert 13 is coated with an epoxy-like adhesive to integrate the protruding insert 13 and the support member 10. desirable. Through such a configuration it is possible to simply install the holding member (10).

Next, the assembling structure of the upper and lower horizontal members 20 and 21 and the support member 10 will be described. For convenience of explanation, first, an assembling coupling structure of the lower horizontal member 21 and the support member 10 will be described. As shown in FIGS. 2 and 3A, a horizontal through hole 27 is formed in the support member 10 in order to assemble and couple the lower horizontal member 21 and the support member 10. Horizontal connecting members 23 are inserted into the through holes 27, and both ends of the horizontal connecting members 23 are inserted at both sides of the horizontal connecting members 23, respectively. It is connected to each end of the tubular lower horizontal member 21 connected to. In the embodiment shown in the figure has a structure in which both ends of the horizontal connecting member 23 is inserted into the end of the lower horizontal member 21. At this time, in order to prevent the horizontal connecting member 23 from escaping from the end portions of the lower horizontal members 21 on both sides, an epoxy is formed on the outer surface of the horizontal connecting member 23 or the inner surfaces of the lower horizontal members 20 and 21. It is preferable to apply an adhesive such as As a variant of the embodiment shown in the drawings, the end of the lower horizontal member 21 to the end of the horizontal connecting member 23 may be made in the form of being inserted.

On the other hand, since the support member 10 is formed in a tubular shape, the end face and the support member of the lower horizontal member 21 when the ends of the upper and lower horizontal members 20 and 21 on both sides contact the support member 10. There is a gap between the sides of (10). In order to eliminate such a gap, the present invention uses an intermediate connecting member 24 whose one end is configured to surround the tubular side of the support member 10. Specifically, FIG. 4 shows a schematic perspective view of the intermediate connecting member 24. As shown in the drawing, one end of the intermediate connecting member 24 has a shape corresponding to the circumference of the tubular support member 10 side. It is comprised so that the side surface of the support member 10 may be wrapped. The intermediate connecting member 24 is fitted on the horizontal connecting member 23 to surround the side of the support member 10 in a state of being installed to be connected to the end of the lower horizontal member 21 (see FIGS. 1A and 3A). Through such a structure, the holding member 10 and the horizontal members 20 and 21 can be firmly assembled by a simple method.

In the above, the assembly coupling structure of the lower horizontal member 21 and the support member 10 has been described, but the above description is also applied to the assembly coupling structure of the upper horizontal member 20 and the support member 10. In addition, in the handrail structure of the present invention, an intermediate horizontal member (not shown) may be further provided between the upper horizontal member 20 and the lower horizontal member 21, in which case the intermediate horizontal member and the support member are provided. The same applies to the assembly coupling structure of (10).

Next, the assembly structure of the vertical member 22 that connects the upper horizontal member 20 and the lower horizontal member 21 will be described. 3C shows a schematic cross sectional view showing details of the portion indicated by circle B of FIG. 1B. As shown in the figure, the lower surface of the upper horizontal member 20 is formed with an insertion hole into which the vertical member 22 can be inserted, although not shown in the upper surface of the lower horizontal member 21 In addition, the vertical member 22 is inserted into the insertion hole is formed, the end of the vertical member 22 is inserted into each of the insertion hole is fixed. At this time, it is preferable to apply an adhesive such as epoxy to the inlet of the insertion hole for a firm fixing of the vertical member (22). When there is an intermediate horizontal member, a through hole is formed in the intermediate horizontal member so that the vertical member 22 penetrates. In this case, it is preferable to apply an adhesive to the inlet hole of the intermediate horizontal member.

Next, as illustrated in FIG. 1A, a configuration in which two upper horizontal members 20 or two lower horizontal members 21 are bent at corners will be described. In the present invention, in order to connect the horizontal members 20 and 21 in the bent form, the corner connecting member 40 as shown in FIG. 5A is used. The corner connecting member 40 is composed of an insertion part 41 connected to the tubular horizontal members 20 and 21, and a bend part 42 connecting the insertion part 41 in a bent form. . In FIG. 5B, an example of a shape in which the corner connecting member 40 illustrated in FIG. 5A is combined with the horizontal members 20 and 21 is illustrated in a schematic cross-sectional view. In the embodiment shown in the drawing, the insertion portion 41 is illustrated. Are respectively inserted inside the ends of the horizontal members 20 and 21. At this time, it is preferable to form projections on the surface of the insertion portion 41 in order to increase the insertion friction force. Of course, an adhesive may be applied to the outer surface of the insertion portion 41 and / or the inner surface of the ends of the horizontal members 20 and 21 for integral coupling. In addition, unlike the drawing, the insertion part 41 may be configured to be fitted outside the ends of the horizontal members 20 and 21. That is, the insertion hole may be formed in the center of the insertion part 41, and the ends of the horizontal members 20 and 21 may be configured to be inserted into the insertion hole of the insertion part 41. As described above, in the present invention, since the corner connecting member 40 is used, the configuration of the bent portion can be easily and easily constructed.

In another embodiment of FIG. 5C, there is shown a schematic perspective view of an angle variable corner connector that can be used even when the corner portion of the handrail structure is acute or obtuse. As shown in the figure, the angle-variable corner connecting member (40 ') is composed of a bent portion hinged to meet the two insertion portions 41, the angle formed by both insertion portions 41 can be freely changed to an acute or obtuse angle Will be. Therefore, even when the railing structure is installed to be inclined or the corner of the railing structure is acute or obtuse due to the shape of the installation terrain, it is possible to easily form corner portions of both horizontal members 20 and 21 accordingly.

Next, a handrail structure according to another embodiment of the present invention will be described with reference to FIGS. 6A to 6B.

FIG. 6A is a schematic front view of a handrail structure according to another embodiment of the invention, and FIG. 6B is a schematic detail of the portion indicated by circle C in FIG. 6A. 6A and 6B are different from the embodiment shown in FIGS. 1A to 1A and 1B in the assembling coupling configuration of the upper horizontal member 20 and the support member 10 installed at the top. There is.

That is, in the embodiment illustrated in FIGS. 1A and 1B, the upper end of the support member 10 protrudes upward from the upper horizontal member 20, but in the embodiment illustrated in FIGS. 6A and 6B, the support member 10 ) Does not protrude. To this end, a lower insertion hole is formed in the lower portion of the upper horizontal member 20 at the position where the upper horizontal member 20 and the support member 10 are coupled to connect with the end of the support member 10. One side of the vertical connection member 25 connecting the upper horizontal member 20 and the support member 10 is inserted into the lower insertion hole. The other side of the vertical connecting member 25 is coupled to the holding member 10, as shown in the figure, the other side of the vertical connecting member 25 is inserted into the holding member 10 is coupled. At this time, since the lower portion of the upper horizontal member 20 has a curvature, when the end portion of the support member 10 comes into direct contact, a gap is generated. In order to prevent the occurrence of such gaps in the present invention, the intermediate connecting member 24 used in the connection between the holding member 10 and the horizontal members 20 and 21 is used, that is, as shown in FIG. 6B, the intermediate connecting member ( 24 is inserted on the vertical connection member 25 to surround the lower surface of the upper horizontal member 20 in a state in which it is connected to the end of the support member 10.

Next, a connection structure between the horizontal members 20 and 21 will be described with reference to FIGS. 7A and 7B. FIG. 7A is a schematic detail view of the portion indicated by circle D in FIG. 6A, and FIG. 7B is a schematic cross sectional view along line E-E of FIG. 7A. There is a case where the horizontal members 20 and 21 are connected to each other. In the present invention, when the horizontal members 20 and 21 are connected to each other, the horizontal connecting members 23 are inserted at both ends of the horizontal members 20 and 21 to be connected to each other, as shown in FIGS. 7A and 7B. That is, since the horizontal connecting member 23 is inserted across the ends of the horizontal members 20 and 21 on both sides, the horizontal members 20 and 21 on both sides are connected to each other. At this time, since the vertical member 22 is installed on the lower surface or the upper surface of the horizontal member (20, 21), in order to facilitate the insertion of the vertical member 22, the horizontal connecting member 23 in Figure 7b As shown, the insertion slot 26 is formed so that the end of the vertical member 22 can be inserted.

The connection structure of the horizontal members 20 and 21 shown in FIGS. 7A and 7B may be applied to the embodiment shown in FIGS. 1A and 1B as well as the embodiment shown in FIGS. 6A and 6B.

In the present invention, all members except the bottom fixing member 12 is made of a fiber reinforced composite material. The fiber-reinforced composite material is composed of a resin selected from polyester, vinyl ester, panol or epoxy, and reinforcing fibers, and is produced by a pull molding method. The reinforcing fibers include glass fibers, carbon fibers, aramid fibers, and the like, but are not limited thereto. Various fibers may be used as the reinforcing fibers, and the above-described fibers may be mixed and used. In some cases, of course, the bottom fixing member may be made of a fiber-reinforced composite material.

As described above, in the present invention, the handrail structure is formed using a member made of a fiber reinforced composite material. The fiber reinforced composite material has a high durability, high strength, high corrosion resistance and light weight. Therefore, compared to the conventional railing structure made of stainless steel or iron, the life of the structure itself is extended, so the life cycle cost is reduced, and it is used for a long time without loss of structural section even in the corrosive environment such as water purification plant, sewage treatment facility, chemical treatment facility, etc. Not only is it possible and saves on maintenance costs, it also increases structural stability.

In particular, the handrail structure of the present invention is very easy to handle, such as transport, assembly and has a simple assembling structure is easy to install and excellent in construction, it is possible to reduce the cost accordingly.

Claims (5)

Tubular strut member 10 installed vertically at predetermined intervals, tubular upper horizontal member 20 and lower horizontal member 21 connected horizontally to upper and lower portions of the strut member 10, respectively, Including a vertical member 22 for vertically connecting between the upper horizontal member 20 and the lower horizontal member 21 and the corner connecting member 40 for connecting the horizontal member 20, 21 arranged in a bent form Configured; The support member 10 is inserted into and fixed to the protruding insertion portion 13 of the support base member 11 fixedly installed on the ground 2; A horizontal through hole is formed in the support member 10, a horizontal connection member 23 is inserted through the through hole, and the horizontal connection member 23 is inserted through the support member 10. In both ends of the horizontal connecting member 23 is inserted into the end of the tubular horizontal member 20, 21 which are connected to both sides, respectively, one end is a shape corresponding to the circumference of the tubular holding member 10 side Intermediate connecting member 24 configured to surround the side of the holding member 10 is fitted on the horizontal connecting member 23, the holding member 10 in a state of being installed to be connected to the end of the horizontal member (20, 21) The holding member (10) and the horizontal member (20, 21) is coupled to the form surrounding the side; An insertion hole into which the vertical member 22 can be inserted is formed in the lower surface of the upper horizontal member 20, and the vertical member 22 can be inserted into the upper surface of the lower horizontal member 21. A ball is formed, and each end of the vertical member 22 is inserted into and fixed to the insertion hole; The insertion portion 41 of the corner connecting member 40 composed of an insertion portion 41 having a projection for increasing the insertion friction force and a bent portion 42 connecting the insertion portion 41 in a bent form, Is inserted into each end of the horizontal member (20, 21) arranged in a bent form is installed, The strut member 10, the strut base member 11, the horizontal members 20 and 21, the vertical member 22, the horizontal connecting member 23, the intermediate connecting member 24 and the corner connecting member 40 are polyester, Handrail structure, characterized in that made of a fiber-reinforced composite material consisting of a resin selected from vinyl esters, panol or epoxy, and reinforcing fibers. delete The method of claim 1, In order to be able to use even if the angle between the horizontal members 20 and 21 is changed, the corner connecting member 40 is formed by a hinged portion where the insertion portions 41 meet each other, so that the angle formed by the insertion portion 41 is Handrail structure, characterized in that the variable corner connecting material that can be changed. The method according to claim 1 or 3, When the upper horizontal member 20 and the support member 10 are coupled, the support member 10 is disposed below the upper horizontal member 20 at the position where the upper horizontal member 20 and the support member 10 are coupled. Lower insertion hole is formed for connection with the end of  One side of the vertical connection member 25 connecting the upper horizontal member 20 and the support member 10 is inserted into the lower insertion hole, and the other side of the vertical connection member 25 is an inner side of the support member 10. Is inserted into and combined with The intermediate connecting member 24 is inserted on the vertical connecting member 25 and is installed at the end of the supporting member 10 so that the supporting member 10 and the upper horizontal member 20 are coupled to each other. Handrail structure, characterized in that one side of the connecting member 24 surrounds the lower surface of the upper horizontal member (20). The method according to claim 1 or 3, The horizontal members 20 and 21 have a structure in which the horizontal members on both sides are connected to each other, and both horizontal members 20 and 21 to be connected to each other are inserted across the horizontal connecting members 23 so that the horizontal members 20 and 21 are connected to each other. 20, 21) are connected to each other, Insertion slot 26 into which the end of the vertical member 22 is inserted into the horizontal connecting member 23 for insertion of the vertical member 22 installed on the lower or upper surface of the horizontal members 20 and 21. Handrail structure, characterized in that is formed.

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