PROTECTIVE FENCE HAVING CLOSED SECTION IN WHICH BOLT IS EASILY COUPLED
The present invention refers to a structure of the lower bridge support relates to bolt having, at least two block coupled out length direction is provided, each block out a guard rail is coupled, said hollow pillars are elliptic cross-section and that in order to make a thickness, most thickened front and back surfaces, which are formed so as to gradually thinner toward both sides, said guard rail is inserted into the rail nut holder sleeve formed longitudinally along the continuous operational bridge support having a closed sectional for easy a bolt are disclosed. Generally applied to bridge support vehicle bridge, opposite difference between normal learning to prevent or sidewalk entering the vehicle, the drive wheel for safety or median strip mounted structure of bridge and road boundary formed at the multi-ID and password. By absorbing collision energy through collision load bridge support said vehicle, occupant injury and the vehicle and is only moved, beyond a normal vehicle running direction normal route again returning function has a plurality of hierarchies. A door closer is the purposes, classification can bridge support to flexible bridge support and rigidity. Bridge support itself by inducing strain in the flexible door closer is fired, so as to energy has an upper surface which, placed in a fall or continuous rigid door closer transverse to prevent monk month when the pin is. On the other hand, said flexible door closer representative example associated with the guard rail shaped guard rail type door closer and strut, guard rail type door closer guard rail dog section style door closer and closed sectional type door closer to the packet classification in accordance with the shape of the can. Dog section style guard rail is cross section a shock electlode pattern on the substrate, inside the strut and guard rail for easy coupling bar, alkyleneglycol can hide and fastener, the fastener through the packet header is separated can be, applied rigidity or larger cross-section, the pin is negative encroaches on the beam material. The closed sectional type guard rail is against that sum shape cross-section of the guard rail, shock less secure cross-section even when sufficient rigidity but is preventable, fastener surrounds a sudden be exposed outside, and coarse appearance, fastener corrosion can be turned into high disclosed. On the other hand, complete symmetrical circular cross-strut using packing for pillars is generally or, the impact of the method all directions surrounds the same, relatively strong rigidity is thereby required by each front and rear reinforcing been. Prior art document include a compensation Patent Registration Notification number 10 - 1378546 closed sectional type guard rail associated with call "driver for securing and safety convenient safety guide rail" (2010. 04. 27. Disclosure) registered corrosion disclosed. Said prior art document describes a sum [...] number and cross-section, a V-shaped strut number to be but ensuring rigid [...] inside, and around the upper rod, the bolt head is exposed to the outside mesh formed in the checkup, small cross-section number [...] shock is difficult and additional door number point at the number has been increased. In addition, guard rail lengthwise in binding, by using the fixed plate by, and the coarse appearance, readily corroded portion is exposed to the outside door was measured number. The present invention refers to said door such as point number in order to solve in a certain, closed sectional type door closer benefits for easy coupling bar secured inside the strut and guard rail, fastener parts by weight of an appearance can hide, of agricultural products can be through the packet header, the protective outer cross-sectional shape of a post with a bending stress and prevent through collision, guard rail connecting part which is formed in the combining of are not exposed, can be through the packet header, the lower bridge support having steel bolt for easy for a number [...] are disclosed. In order to solve the present invention according to a number and said bolt having a closed sectional for easy bridge support (A) includes, a plurality of supports (100) to land at an installed vertically, to each of the stanchions (100) is axially at least one block out (200) is coupled, said block out (200) a guard rail (300) are combined to bridge support (A) formed in, said guard rail (300) is provided with a sleeve includes a rail (400) longitudinal direction via adjacent guard rail (300) the binding and characterized. In addition, said strut (100) is hollow in order to make the thickness with elliptic cross-section, the front and back most thick, can be formed so as to gradually thinner toward both sides. In addition, said sleeve rail (400) nut holder (410) is combined with, said nut holder (410) includes a screw (411) is provided with an end portion of the locking nut (N400) (412) formed longitudinally, said screw (411) both ends of upper rearwardly bent (413) is formed sleeve rail (400) at both ends of the surge prevention, fastening bolts (B) is said guard rail (300) and sleeve rail (400) through said fastening nut (N300) can be combined to an. In addition, said sleeve rail (400) in the longitudinal direction is provided with a pair of horizontal bar (421) is formed, said horizontal bar (421) facing bent ends of the bent (422) is formed capsule holder (420) is formed, said capsule holder (420) inside the nut holder (410) is provided in a can be bent. Said closed cross-section in order to make a bridge support post having an insulating hollow having the elliptic cross-section, the front and back most thick, toward both sides gradually thinner switching device, connected to the outer surfaces of vehicle collision, can be cooked by irradiating a post. In addition, nut holder sleeve on an inner rail, said nut holder with a fastening nut, said fastening bolts through from an upper surface of said fastening nut is pedestrian crossing sleeve rail bar, fastener and panels which are not exposed to, of agricultural products can be through the packet header. Further, fastening nut is provided in a fastening bolt of said nut holder for easy copyright 2001. On the other hand, block-out space parts are formed, through load can be effectively absorbs impact. In addition, the guard rail section of the sum can be ensure sufficient rigidity while decreasing their cross section. In addition, shock head bolt with washer groove formed inside a home and, combining the advantages of cross-section enclosed inside the strut and secured guard rail for easy coupling bar, fastener alkyleneglycol can hide and, through the packet header of agricultural products can be equal to or less than. Further, with a top portion is connected to the top of the covered rear strut guard rail protects the, upper part of the column can be, for sitting the rest at which the pedestrian is additional number [...] powders disclosed. Figure 1 shows a bolt of the present invention also relates to a structure of the lower bridge support having one in the embodiment according to degradation sensors mounted thereon. In the embodiment according to Figure 2 shows a bridge support block out of the present invention also relates to a method for degradation and columns one sensors mounted thereon. Also shown in the embodiment according to Figure 3 shows a bridge support block out sensors mounted thereon one of the present invention. One of the present invention shown in the embodiment according to Figure 4 shows a bridge support block-out guard rail also degradation sensors mounted thereon. Figure 5 shows a cross-section of the present invention show also one in the embodiment according to door closer shock sensors mounted thereon. Figure 6 shows a sleeve of the present invention also one in the embodiment according to door closer shock shown rail sensors mounted thereon. Hereinafter, the present invention based on the attached drawing for detailed as follows. A structure of bolt of the present invention is having the lower bridge support (A), also 1 as shown in a plurality of supports (100) to land at an installed vertically, to each of the stanchions (100) is axially at least two block out (200) is coupled, said block out (200) a guard rail (300) are combined to formed. On the other hand, said strut (100) is hollow in order to make the thickness with elliptic cross-section, the front and back most thick, gradually thinner toward the both sides are formed on the base. The, meaning that the facing direction of the present invention herein is a guard rail about road side and defined, meaning that the back surface facing an opposite side of the road direction defined as follows. General pillars of the existing method to complete symmetrical circular cross section which is smaller number, in the load bending [...] number can be optimal cross-section, rectangular posts [...] (snagging) compared to relatively reduce machining, the impact of the method all directions surrounds the same, relatively strong rigidity is thereby required by each front and rear reinforcing been. The end of the (100) to the thickness of the front and rear surface, the front and rear of the vehicle by relatively strong load stiffness of the strut can be disengaged from the upper support section to, guard rail shock absorbing post not to be as follows. The, said strut (100) disposed with their major axes of the front-rear direction, is disposed in the metal disposed amount to shorten the width of the lateral, a post is decreased by decreasing the surface area in contact with the vehicle, be more effectively to do. On the other hand, said guard rail (300) is provided with a sleeve includes a rail (400) longitudinal direction via adjacent guard rail (300) and is coupled, said sleeve rail (400) is provided with a nut holder (410) is formed, said nut holder (410) with a locking nut (N400), fastening bolts (B400) is said guard rail (300) and sleeve rail (400) through said fastening nut (N400) combined to an other. Guard rail extending in a longitudinal direction, the use of sleeve rail in the usual manner are disclosed. However, deficiency of the existing method in sleeve rail body, separated from the fastener by, and the coarse appearance, coated with one of his number point at the door. The, sleeve rail (400) on the inside of the nut holder (410) between panels and having exposed fastener, fastener through the packet header pressure load...copyright 2001. Further, said nut holder (410) (N400) is provided in a nut fastened to the fastening bolts (B400) with easy construction of additional copyright 2001. The, said nut holder (410) is also 6 as shown in screw (411) is provided with an end portion of the nut (412) are formed longitudinally can be. In addition, said screw (411) both ends of upper rearwardly bent (413) is formed, sleeve rail (400) can be applied at both ends of the position. Thereby, said nut holder (410) can be equal to a correct position. On the other hand, as also shown in said block out 2 (200) the strut (100) is formed in an arcuate shape to surround an arc (210) on the guard rail (300) is fastened flange part (220) with the, said fastening bolt (B200) is column (100) and the shaft (210) can be combined to an nut (N200) to combine. As said strut (100) is formed wherein the elliptical, said arc (210) degrees and corresponds to a smaller number is preferably elliptical circular arc, said flange (220) includes fastening bolts penetrate [...] (B300) is, said guard rail (300) engage with the other. Said arc (210) opening to form the strut (100) in order to ensure rotational center arm to enable a coupling groove, required a relatively hard flange (220) the thickness of the arc (210) preferably thicker than a metal film formation process. On the other hand, as also shown in said block out 3 (200) an arcuate portion (210) and a flange part (220) between a pair of connection pieces (230) with a space (240) can be formed. Thereby, said block out (200) into the space (240) is formed, block out (200) can be effectively absorbs impact of collision according to vehicle through plastic deformation. On the other hand, one strut (100) coupled to a plurality of block out (200) in, on top with block out (200) according to a vehicle are relatively free from silver [...], strut (100) on the guard rail (300) to reduce the distance between the, space (240) do not become confused efficient form. While, to discharge the block out (200) the strut (100) on the guard rail (300) for adjusting the distance between the contains, a pair of connecting piece (230) is formed, space (240) load load the rotating medium is preferably installed. On the other hand, as shown in also 4 said guard rail (300) can be formed having a cross-section sum. Guard rail (300) in the section of the enclosed cross-section, while sufficient rigidity decreasing their cross section can be secured copyright 2001. However, the fastener surrounds a sum cross sudden be exposed outside, and coarse appearance, fastener corrosion can be turned into high disclosed. The present invention refers to the guard rail (300) with the rear face of the bolt head home (310) is formed, with said bolt head home (310) a guard rail coupling bolt with a bolt head (B310) (B300), said fastening bolt (B300) is said block out (200) through fastening nut (N300) can be combined to an. Thus, guard rail (300) sum of advantages of cross secured guard rail (300) inside the strut (100) for easy coupling bar on, fastener parts by weight of an appearance can hide, equal to or higher than the fastener through the packet header. In addition, said guard rail (300) has a front longitudinal concave recess (320) can be formed. Said concave groove (320) through guard rail (300) by securing end of each capable of assuring a sufficient strength is equal to or higher. In addition, with said bolt head home (310) to [...] (311) are integrally formed, guard rail fastening bolt with washer (B320) (B300) of bolts can be. Said coupling bolt bolt washer (B320) (B300) is preferably embodied as a single piece, the pressure exerted on the bolt head (B310) dispersion, can be applied to the fastening cloth part sufficient to function as follows. The, bolt head with home (310) to [...] (311) is formed, said bolt washer (B320) can be provided is to, ensure the benefits of bolt washer (B320) can be, and is formed of a pattern electrode can be achieved. On the other hand, as shown in also 5 uppermost with guard rail (300) the strut (100) the top of the backside of a cover portion (330) extending integrally can be. Said cover portion (330) is a supporting strut (100) can be part of the upper, the pedestrian is said cover portion (330) can be sit on rest at which can be [...] number. In addition, said cover part (330) is constructed from a rearward section power greatly increases, additional benefits the pin is in the variation bending resistance can be secured. On the other hand, as shown in also 6 said sleeve rail (400) is said guard rail (300) to correspond to the cross-section of said guard rail is formed having a cross-section sum (300) can be tightly inserted. Said sleeve rail (400) and guard rail (300) is generated between the, impact localized plastic deformation occurs, guard rail (300) through the connect unit of the structurally weakened, made absorbed sufficient impact force which can be bar, sleeve rail (400) and guard rail (300) avoid the formation of undesired space between the shape of the cross-section shape preferably to a light. On the other hand, as also shown in said sleeve rail 6 and also 1 (400) nut holder (410) can be combined. Said nut holder (410) includes a screw (411) is provided with an end portion of the locking nut (N400) (412) formed longitudinal, said screw (411) both ends of upper rearwardly bent (413) is formed sleeve rail (400) can be applied at both ends of the. Thus, to third nut holder (410) as well as a screw fastening nut (N400) (411) is contacted to the whole can be prevent, a seating (412) (N400) in nut fastened to the settle [...] capsule holder (420) inserted in the nut holder and by the construction from an (410) a part without a complicated process as the system is equal to or higher liver hereinafter. The, said fastening bolt (B) is said guard rail (300) and sleeve rail (400) through said fastening nut (N300) can be combined to an. In addition, said sleeve rail (400) in the longitudinal direction is provided with a pair of horizontal bar (421) is formed, said horizontal bar (421) facing bent ends of the bent (422) is formed capsule holder (420) can be formed. Said capsule holder (420) inside the nut holder (410) is provided in a can be bent, nut holder (410) and a coupling nut to prevent [...] (N400) of the concave disclosed. The present invention according to a structure of bolt than the lower bridge support (A) is not limited to said and having a in the embodiment, of the present invention hereinafter in claim claim made without deviating from the subject matter of invention is provided to a person with skill in the art in the scope of protection of claim embodiment if anyone using light to extent will must to belong. A: door closer 100: Strut 200: Block out 210: Arc 220: Flange 230: Connecting piece 240: Space B200, B300, B400: fastening bolt N200, N300, N400: fastening nut B310: bolt head B320: bolt washer 300: Guard rail 310: Bolt head with home 311: [...] 320: Concave groove 330: Cover part 400: Sleeve rail 410: Nut holder 411: Screw 412: Seating 413: Almost The present invention relates to a protective fence having a closed section in which a bolt is easily coupled. To achieve this, according to the present invention, a plurality of supports are vertically installed on the ground at a constant distance, and each of the supports is coupled to at least one block-out in a longitudinal direction. Moreover, in the protective fence which is formed as a guard rail is coupled to the block-out, the guard rail is coupled to an adjacent guard rail in a longitudinal direction with a sleeve rail inserted into the inside thereof as a medium. COPYRIGHT KIPO 2017 A plurality of supports (100) to land at an installed vertically, to each of the stanchions (100) is axially at least one block out (200) is coupled, said block out (200) a guard rail (300) are combined to bridge support (A) formed in, said guard rail (300) is provided with a sleeve includes a rail (400) longitudinal direction via adjacent guard rail (300) and characterized having reinforcing the lower bridge support. According to Claim 1, said strut (100) is hollow in order to make the thickness with elliptic cross-section, the front and back most thick, gradually thinner toward both sides formed by being characterized in having the lower bridge support. According to Claim 1, said sleeve rail (400) nut holder (410) is combined with, said nut holder (410) includes a screw (411) is provided with an end portion of the locking nut (N400) (412) formed longitudinally, said screw (411) both ends of upper rearwardly bent (413) is formed sleeve rail (400) at both ends of the surge prevention, fastening bolts (B) is said guard rail (300) and sleeve rail (400) through said fastening nut (N300) characterized having locked on the lower bridge support. According to Claim 3, said sleeve rail (400) in the longitudinal direction is provided with a pair of horizontal bar (421) is formed, said horizontal bar (421) facing bent ends of the bent (422) is formed capsule holder (420) is formed, said capsule holder (420) inside the nut holder (410) characterized with the lower bridge support having displacement are suppressed.
