JP2004068481A - Free pole fence - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To secure horizontal-load withstand properties of a fence to a high degree by stably supporting the free pole fence surely by a bracket. <P>SOLUTION: Movably fitted grooves 28 having constricted walls 29 in rear are formed to the underside of a lower frame 24 for a fence body 2 in a front-rear symmetrical shape while the lower frame 24 is placed on the horizontal lower-frame placing piece 43 of the lower bracket 24 fixed to a support 1. An engaging projecting piece 45 upwardly erected and installed and having a shape coinciding with the wall 29 is inserted at the front end of the placing piece 43 while a difference in dimensions of the movably fitted grooves 28 and the engaging projecting piece 45 is absorbed by a plurality of clearance absorbing ribs 46 mounted in the cross direction of the projecting piece 45. Accordingly, since the projecting piece 45 is engaged with the movably fitted grooves 28 surely and firmly, thus improving the stability of the lower supporting of the lower frame 24. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a free pole fence installed and used at a boundary between a road and a neighboring land.
[0002]
[Prior art]
In this type of free pole fence, for example, a fence body is installed on the front side of the support column through upper and lower brackets installed on the support column by supporting the lower frame on the lower bracket and supporting the upper frame on the upper bracket to prevent it from falling down. At this time, a downward fin is formed on the lower surface of the lower frame of the fence main body so as to extend the rear surface at the rear end thereof, and the lower bracket is attached to a vertical mounting piece for mounting a column. A rising piece that rises upward so as to be slightly displaced to the front side from the mounting piece, and the downward fins of the lower frame are hooked formed between the rising piece of the lower bracket and the column. The upper frame is supported by supporting the lower frame by supporting the lower frame by supporting the lower frame by supporting the lower frame and then supporting the lower frame by holding the upper bracket on the column. It is supposed to perform lifting.
[0003]
[Problems to be solved by the invention]
In this case, the fence body can be installed at any position in the width direction of the fence via upper and lower brackets, regardless of the relative positional relationship between the strut and the fence body. The fence can be installed with a relatively good appearance without being exposed to the front side of the lower frame of the fence main body from the form of the lower bracket due to the form of the lower bracket.
[0004]
However, on the other hand, since the lower support of the fence main body by the lower bracket is used to support the fin with respect to the hook groove, the position of the hook support is limited to the end on the rear side of the lower frame of the fin. Therefore, in a fence which is likely to fall down due to horizontal load such as wind pressure, it cannot always be satisfied as a support for supporting the fence body, and the fence body can be more stably and securely and firmly installed on the support. It is desired to do so.
[0005]
SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and a problem to be solved is to maintain the merit of the free pole form for supporting and supporting the fence body, and to stably and reliably perform the supporting support. Thus, it is an object of the present invention to provide a free pole fence having sufficient horizontal load resistance as a fence.
[0006]
[Means for Solving the Problems]
According to the present invention, a lower frame mounting piece is formed on a lower bracket, and the lower frame mounting piece supports the lower frame of the fence main body on the lower frame mounting piece, while the lower frame mounting piece has an upward engagement with the tip of the lower frame mounting piece. A stopper projection is formed, and the upward locking projection is received and locked in a groove formed on the front side end of the lower surface of the lower frame of the fence body, and the upward locking projection is used as a loose fitting groove. And the precision of receiving and locking is not limited, and a narrowing wall is arranged on the back side of the loose fitting groove, and the locking protrusion contacts the locking wall to form the locking protrusion. The receiving engagement is ensured by absorbing the play of the loose fitting groove by the set rib, and the lower support on the lower frame mounting piece of the lower frame and the upward engagement with the loose fitting groove on the front side of the lower support. The fence body can be stably and securely and firmly supported and supported by the reliable receiving and locking of the stop piece. In other words, the invention as defined in claim 1 is applied to a structure in which the lower frame is supported by the lower bracket and the upper frame is supported by the upper bracket to prevent the upper frame from falling down. A fence in which the fence body is installed on the front side. The fence body is located at the front end on the lower surface of the lower frame of the fence body, opens downward, and partially projects the rear inner wall toward the front. The rear inner wall is formed as a constricted wall so that a loose fitting groove is formed, and the lower bracket is attached vertically to the column by mounting the lower bracket, a lower frame mounting piece protruding forward from the mounting piece, and a lower frame mounting piece. An upward locking projection having a play-absorbing rib projecting upward at the tip of the waist so as to be capable of contacting the constricted wall and having a play absorbing rib protruding forward to absorb play with the play-fitting groove. With and shape Then, the lower frame is supported on the lower frame mounting piece of the lower bracket, and the upper locking projection of the lower bracket is received and locked in the loose fitting groove of the lower frame, thereby supporting the lower frame. It is a free pole fence characterized by performing.
[0007]
According to the second aspect of the present invention, in addition to the above, by arranging the loose fitting groove symmetrically with respect to the front and back (in other words, symmetrical with respect to the center of the vertical cross section of the lower frame as a reference), the front and back of the fence body can be obtained. In any case, the loose fitting groove located on the front side receives and locks the upward locking projection of the lower bracket so that the lower bracket can be installed. 2. The free pole fence according to claim 1, wherein a pair of loosely fitting grooves are symmetrically arranged on the front and back sides so that the lower frame can be freely supported on both the front and back sides of the fence body.
[0008]
According to a third aspect of the present invention, in addition to the above, in addition to the above, the play absorbing rib in the upward locking projection of the lower bracket which absorbs the play with the loose fitting groove is used for lower frame mounting for supporting the lower frame. A plurality of reinforcing ribs formed on the lower surface of the mounting portion are formed continuously to facilitate the molding of the ribs, and are provided in the loose fitting grooves so that the locking projections do not roll over and do not swing due to the locking projections. In order to ensure reliable locking at a plurality of locations in the width direction of the lower bracket, a play absorbing rib provided on the upward locking projection of the lower bracket is connected to a lower surface of the lower frame mounting piece of the lower bracket. The free pole fence according to claim 1 or 2, wherein the reinforcing pole is formed by a plurality of continuous ribs in the width direction formed continuously with the reinforcing ribs installed in the free pole fence.
[0009]
The present invention provides these as means for solving the above problems as the gist of the invention.
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
In the following, the present invention will be described in more detail with reference to examples of the drawings. A is a free pole fence, and the free pole fence A supports the lower frame 24 on the lower bracket 4 and supports the upper frame 23 on the upper bracket 3. The fence main body 2 is installed on the front side of the column 1 via upper and lower brackets 3 and 4 installed on the column 1 by supporting the column 1 so that the column 1 is located above and below the column 1. The fence main body 2 is installed in a free pole form via the brackets 3 and 4 at any position in the width direction thereof.
[0011]
The column 1 is a hollow column made of extruded aluminum and has a rectangular cross section with a tapered resin cap 11 at the lower end so that the mortar is fixed by inserting the tip into a through hole of a concrete block, for example. For example, an upper frame 23, a lower frame 24, and left and right vertical frames 25 are arranged as a rectangular outer frame around an outer periphery of a partition body 21 formed as an oblique lattice by assembling a large number of parallel lattice bars. It is also made of extruded aluminum.
[0012]
The fence body 2 is installed on the support 1 via the upper and lower brackets 3 and 4 by supporting the lower frame 24 on the lower bracket 4 and supporting the upper frame 23 on the upper bracket 3 to prevent the lower frame 4 from falling as described above. The lower frame 24 supports the lower frame 24 on the lower surface of the lower frame 24 of the fence main body 2 at the front end thereof, opening downward and facing the rear inner wall toward the front. By projecting, a loose fitting groove 28 is formed with the inner wall on the back side as a constricted wall 29, and the lower bracket 4 is mounted on a vertical mounting piece 41 for mounting a column and a lower frame that protrudes forward from the mounting piece 41. The piece 43 and the tip of the lower frame mounting piece 43 project upward to form a constricted shape capable of contacting the constricted wall 29 and protrude forward to absorb the play with the loose fitting groove 28. Play absorption rib 4 The lower frame 24 is supported on the lower frame mounting piece 43 of the lower bracket 4 while the lower frame 24 is formed in the loose fitting groove 28 of the lower frame 24. This is achieved by receiving and locking the upward locking projection 45 of the upper frame 4. The support of the upper frame 23 by the upper bracket 3 for preventing the upper frame 23 from falling down is, for example, the upper end of the column 1. A closing piece 31 to be placed so as to cover the hollow top surface thereof, a fixing part installed on the hanging piece 31 or a mounting piece 32 hanging therefrom, and a side face L-shaped on the front side of the closing piece 31. An upper frame holding piece 33 protruding and arranged in a shape is formed, and the upper frame 23 is held from above by the upper frame holding piece 33 to support the fall thereof. is there.
[0013]
In this example, the upper and lower frames 23 and 24 of the fence main body 2 are respectively provided with a slide groove 26 for inserting the mounting frame 22 provided on the upper and lower ends of the partition 21 on the opposing surfaces thereof, and upper and lower end portions of the partition 21. The lower frame 24 is provided with a recessed groove 27 on the lower surface thereof and the loose fitting groove 28 is disposed on the lower surface of the lower frame 24, and is formed of a hollow aluminum extruded material having a rectangular or rectangular cross section. The loose fitting grooves 28 on the lower surface of the lower frame 24 of the main body 2 are symmetrically arranged on the front and rear sides so that the lower frame 24 can be freely supported on both the front and back sides of the fence main body 2. In the example lower frame 24, the lower frame 24 itself is formed symmetrically to the front and back by arranging a pair of loose fitting grooves 28 symmetrically to the front and back.
[0014]
The loose fitting groove 28 is defined by downward fins on the lower surface of the lower frame 24 on the front and rear sides in this example, thereby forming upward and downward symmetric concave grooves on the front and rear ends. At this time, the constricted wall 29 of the inner wall on the back side bulges, for example, in a circular or elliptical shape on the front side, so that the depth direction of the loose fitting groove 28 is wide, and the constricted wall 29 is formed. This portion is formed so as to narrow the portion 29, so that the constricted wall 29 performs, for example, a resilient locking function when the locking protrusion 45 is received and locked by the loose fitting groove 28. I can do it.
[0015]
The lower bracket 4 is provided with the mounting piece 41, the lower frame mounting piece 43, and the upward locking projection 45 so that the side surface is formed in an inverted L-shape or an inverted S-shape. The play absorbing ribs 46 provided on the locking projections 45 to absorb play with the play fitting grooves 28 are reinforcing ribs 47 provided on the lower surface of the lower frame mounting piece 43 of the lower bracket 4. And a plurality of continuous ribs formed continuously in the width direction.
[0016]
That is, the lower bracket 4 of the present embodiment is formed by pressing a metal which does not cause electrolytic corrosion on aluminum, for example, stainless steel, in contact with aluminum. In this embodiment, the fixing through hole 42 is used. And the lower frame mounting piece 43 is a horizontal piece bent perpendicular to the front side of the vertical mounting piece 41. The protruding piece 45 is bent upward at the front end of the horizontal piece to have a height corresponding to the depth dimension of the loose fitting groove 28, and its shape is bulged to the front side. In accordance with the shape of the constricted wall 29 of the back side inner wall in the loose fitting groove 28, the front side is formed into a constricted shape so as to bulge into a curved shape such as a side C-shape. In this example, the lower frame mounting piece is particularly viewed from the front of the mounting piece 41. The reinforcing ribs 47 and the play absorbing ribs 46 are arranged continuously in a series of S-shape so as to reach the front surface of the locking projection 45 through the lower surface of the third member 3 so as to form a bracket having excellent support strength. Further, in this example, by cutting and raising the upper portion of the mounting piece 41, the lower frame mounting piece 43 is projected horizontally to the rear side at the center position in the width direction of the lower frame mounting piece 43, and the tip is hooked for hooking. The support post 44 is formed so that the lower bracket 4 can be positioned with respect to the support post 1.
[0017]
The installation of the fence main body 2 on the support 1 is in this example. For example, a hook-shaped support hook 44 is inserted and placed in a receiving hole at a predetermined position of the support 1 to position the mounting piece 41 on the support 1. The lower bracket 4 is installed by attaching and attaching the mounting piece 41 to the front surface of the column 1 through a through-hole 42 with a fixing bracket, for example, a rivet, so that the fence main body 2 is mounted on the lower bracket 4. The frame 24 is mounted on the lower frame mounting piece 43, and the loose fitting groove 28 of the lower frame 24 is mounted on the upwardly projecting locking projection 45 at the tip of the lower frame mounting piece 43. By receiving and locking the locking projections 45 in a resilient and close fitting manner, the fence main body 2 is supported and supported so that the fence body 2 straddles the lower brackets 4 of the plurality of columns 1 installed at predetermined intervals. . Thereafter, the fence main body 2 is vertically raised so that the upper frame 23 abuts against the column 1, and the upper frame holding piece 33 is hooked on the upper frame 23 so that the upper frame holding piece 33 is hooked on the upper frame 23. And holding the closing piece 31 on the upper end of the column 1, and fixing the fixing part installed on the closing piece 31 or the mounting piece 32 hanging therefrom to the column 1 with a fixing bracket, for example, a rivet. The fence main body 2 is completed by installing the fence main body 2 by fixing it.
[0018]
In the free pole fence A of this example, the fence main body 2 can be installed at an arbitrary position in the width direction, and the fence main body 2 can be installed relatively well in appearance, maintaining the merit of the free pole form and supporting strength. The lower bracket 4, which is excellent in the size, absorbs the dimensional difference of the lower frame 4 on the front side of the lower frame 24 and the locking projection 45 of the lower bracket 4 with respect to the front loose fitting groove 28 of the lower frame 24. A free pole fence that has a high level of horizontal load resistance as a fence by eliminating the play and performing extremely stable, reliable and firm support of the support by the above-mentioned resilient and close fitting receiving locking. And the loose fitting groove 28 has a groove width enough to receive the locking projection 45 of the lower bracket 4, while the locking wall 29 and the locking corresponding to the locking shape are formed. It has become possible to perform good workability installation of fences body 2 by performing the locking easily by pieces 45. In this example, since the lower frame 24 is formed symmetrically on the front and back sides and the pair of loose fitting grooves 28 are arranged symmetrically, the fence main body 2 is supported by the lower bracket 4 on both the front and back sides, so that the fence main body 2 is supported. In this embodiment, the play absorbing ribs 46 for absorbing the play with the loose fitting grooves 28 are formed continuously with the reinforcing ribs 47 in this embodiment. And the locking of the locking projection 45 into the loose fitting groove 28 is reliably performed at a plurality of locations in the width direction, so that the locking projection 45 does not roll over and thus is highly stable without deflection. , And the stability of the lower bracket 4 supporting the fence main body 2 can be highly secured.
[0019]
Although the illustrated example is as described above, the loose fitting groove of the lower frame is provided only on one side on the front side, and the shape of the constricted wall is made to protrude into a polygon such as a triangle, a pentagon, etc. In place of the concave grooves for fixing the partition body installed on the upper and lower frames, fins are inserted into the upper and lower ends of the partition body or fixed with rivets or the like by abutting the upper and lower ends. In the practice of the present invention, including the installation of a support, a fence body, its lower frame, an upper frame, upper and lower brackets, a loose fitting groove of the lower frame, a constricted wall thereof, and a lower bracket. The specific structures, shapes, materials, relationships among these, such as mounting pieces, lower frame mounting pieces, locking projections, play absorbing ribs thereof, and continuous ribs used as necessary, and additions thereto, are described in the above invention. Various forms can be adopted without departing from the spirit of the invention.
[0020]
【The invention's effect】
Since the present invention is configured as described above, according to the first aspect of the present invention, a lower frame mounting piece is formed on the lower bracket, and the lower frame mounting piece supports the lower frame of the fence body. An upward locking projection is formed at the end of the lower frame mounting piece, and the upward locking projection is received and locked in a groove formed in the front end of the lower surface of the lower frame of the fence body. While the groove is a loose fitting groove, the upward locking protruding piece is loosely fitted so that the accuracy of the receiving locking is not limited. On the other hand, a constricted wall is arranged on the back side of the loose fitting groove and locked. The ribs formed on the latching projections contact the projections to absorb the play of the loose fitting grooves so that the receiving and locking can be reliably performed. The fence body is stable and secure by the secure receiving and locking of the upward locking projection into the loose fitting groove on the front side. The support of the fence can be supported and the advantages of the free pole configuration such as installation of the fence body at an arbitrary position in the width direction and installation of the fence body having a relatively good appearance can be maintained by the support, and the support can be stably and surely and firmly supported. It is possible to provide a free pole fence that can support and secure sufficient horizontal load resistance as a fence and can easily install the fence body with good workability.
[0021]
According to a second aspect of the present invention, in addition to the above, by arranging the loose fitting grooves symmetrically on the front and rear sides, the loose fitting grooves located on the front side on both the front and back sides of the fence main body are upwardly locked by the lower bracket. The protruding piece can be received and locked so that it can be installed.
[0022]
According to a third aspect of the present invention, in addition to the above, in addition to the above, the play absorbing rib in the upward locking projection of the lower bracket which absorbs the play with the loose fitting groove is used for lower frame mounting for supporting the lower frame. A plurality of reinforcing ribs formed on the lower surface of the mounting portion are formed continuously to facilitate the molding of the ribs, and are provided in the loose fitting grooves so that the locking projections do not roll over and do not swing due to the locking projections. Can be securely locked at a plurality of locations in the width direction of the slab.
[Brief description of the drawings]
FIG. 1 is a front view of a free pole fence.
FIG. 2 is a vertical sectional view taken along line AA of FIG.
FIG. 3 is a side view showing a support state of the fence main body.
FIG. 4 is a partially cutaway sectional view showing a relationship between a support, a lower bracket, and a lower frame.
FIG. 5 is a side view of the lower bracket.
FIG. 6 is a front view of a lower bracket.
[Explanation of symbols]
A fence 1 support 2 fence main body 3 upper bracket 4 lower bracket 23 upper frame 24 lower frame 28 loose fitting groove 43 lower frame mounting piece 45 locking projection 46 play absorbing rib 47 reinforcing rib

Claims (3)

A fence in which a fence body is installed on the front side of the support through upper and lower brackets installed on the support by supporting the lower frame on the lower bracket and supporting the upper frame on the upper bracket to prevent the upper frame from falling down, A loose fitting groove formed on the lower surface of the lower frame of the fence body at the front end thereof, opening downward and partially projecting the rear inner wall toward the front side, thereby forming the rear inner wall as a constricted wall. The lower bracket is attached to a vertical mounting piece for mounting a pole, a lower frame mounting piece protruding from the mounting piece to the front side, and protruding upward from a tip of the lower frame mounting piece to be able to contact the constricted wall. An upward locking projection having a play absorbing rib protruding to the front side so as to absorb the play with the play fitting groove, wherein the lower frame is formed under the lower bracket. On the frame mounting piece Free pole fence, characterized by comprising performing underpinning support of the lower frame by receiving locking the upward locking protrusion of the lower bracket to the loose fit groove of the lower frame as well as location prop. 2. The free support according to claim 1, wherein the pair of loosely-fitting grooves are symmetrically arranged on the lower surface of the lower frame of the fence main body in front and back, so that the support of the lower frame can be freely supported on both the front and back of the fence main body. 3. Pole fence. The play absorbing rib provided on the upwardly projecting locking piece of the lower bracket is formed by a plurality of continuous ribs in the width direction formed continuously with the reinforcing rib installed on the lower surface of the lower frame mounting piece of the lower bracket. The free pole fence according to claim 1 or 2, wherein:

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