JP6504688B2 - Guard for horizontal beam mounting bracket - Google Patents

Description

  The present invention relates to a protective fence lateral beam mounting bracket, and more particularly to a protective fence lateral beam mounting bracket which can be easily attached to a support and has an excellent appearance.

  The guard fence comprises, for example, a column and a transverse beam attached between the columns, and is installed for the purpose of preventing pedestrians from falling off the road and entering the road.

  In such a protective fence, Patent Document 1 discloses an example of a protective fence lateral beam mounting bracket for attaching a lateral beam to a column. Hereinafter, this protective fence horizontal beam mounting bracket is referred to as a conventional mounting bracket A and will be described with reference to the drawings.

  FIG. 6 is an exploded perspective view showing a mounting portion of a column and a cross beam by a conventional mounting bracket A. As shown in FIG.

  As shown in FIG. 6, the conventional mounting bracket A is composed of a receiving bracket 23 having receiving portions 24 formed at the lower portions on both sides, and a clasp 25 having covering portions 26 formed on the upper portions on both sides.

  In order to attach the horizontal beam 22 to the column 21 by the conventional mounting bracket A, as shown in FIG. 6, first, the bracket mounting bolt 27 is formed into a bolt hole (not shown) formed on the back side of the column 21 The bracket 21 is inserted into the bolt hole 28 formed on the front side of the bolt 21 and the bolt hole 29 formed in the bracket 23 in contact with the front side of the column 21, and the bracket 23 is fixed to the column 21 by the nut 30.

  Next, the end of the horizontal beam 22 is placed on the receiving portion 24 of the receiving bracket 23, and the horizontal beam 22 is temporarily placed on the receiving bracket 23.

  Then, the covering portion 26 of the mounting bracket 25 is placed on the end of the horizontal beam 22 and the mounting bracket 25 is in contact with the column 21, and the bolt hole 32 of the mounting bracket 25 and the end of the lateral beam 22 The horizontal beam 22 is inserted into the bolt hole 33 formed in the portion and the bolt hole 34 formed in the end of the bracket 23 and attached to the support 21 by the nut 35 via the bracket 23 and the bracket 25. Under the present circumstances, since the through-hole 36 formed in the clasp 25 is formed larger than the head of the clasp attachment bolt 27, after temporarily placing the horizontal beam 22 on the clasp 23, the clasp 25 is used as a support 21. It can be fixed to

  Another example of a guard fence cross beam fitting for mounting a cross beam on a post is disclosed in US Pat. Hereinafter, this protective fence horizontal beam mounting bracket is referred to as a conventional mounting bracket B and will be described with reference to the drawings.

  FIG. 7 is a perspective view showing a conventional mounting bracket B. As shown in FIG.

  As shown in FIG. 7, in the conventional mounting bracket B, the contact surface 38 with the support column 37 is recessed and formed, and a bolt hole 39 of a horizontal beam mounting bolt is formed on the upper surface.

  In order to horizontally attach the horizontal beam 40 to the column 37 by the conventional mounting bracket B, as shown in FIG. 8, the conventional mounting bracket B is horizontally fixed to the column 37 by the fixing bolt 41.

  In order to attach the horizontal beam 40 obliquely to the support 37 by the conventional mounting bracket B, as shown in FIG. 9, the conventional mounting bracket B is inclined along the contact surface 38 in the vertical plane and fixed by the fixing bolt 41 Do.

  In order to attach the cross beam 40 at an angle in the horizontal plane, the mounting bracket B is rotated along the contact surface 38 in the horizontal plane and fixed by the fixing bolt 41 as shown in FIG.

JP 2008-31824 A Japanese Utility Model Publication No. 62-196223

  According to the conventional mounting bracket A described above, since the horizontal beam 22 can be temporarily placed on the mounting bracket 23, the horizontal beam 22 can be easily attached to the support 21. However, the mounting bracket mounting bolt 27 is indispensable So the appearance is bad and the material cost is high.

  According to the conventional mounting bracket B described above, since the fixing bolt 41 is not exposed, the appearance is excellent, but since the fixing bolt 41 is indispensable, the material cost is increased. Moreover, since it is difficult to fasten the fixing bolt 41, it takes time to attach the horizontal beam 40 to the support 37.

  Therefore, an object of the present invention is to provide a protective fence lateral beam mounting bracket which can be easily attached to a support column and has excellent appearance and cost reduction.

  The present invention has been made to achieve the above object, and is characterized by the following.

The invention according to claim 1 is the lateral beam mounting bracket for guard fence for attaching a lateral beam to a column, wherein a band portion wound around the column and the lateral beam are attached by bending a plate material into a U shape. A lateral beam attachment portion is formed, and on the inner surface of the band portion , a pair of protrusions having hooks at the tip that engage with the openings formed in the support are formed on the left and right, respectively outward and upward. The mounting portion is formed with a bolt hole through which a horizontal beam mounting bolt is inserted, the inner diameter of the band portion is smaller than the outer diameter of the support, and the protrusion is located at one point on the center line of the horizontal beam mounting portion It is characterized in that it is formed .

  The invention according to claim 2 is that, in the invention according to claim 1, the projection is formed by punching out the band portion and bending a part of the band portion inside the band portion. It has a feature.

  The invention according to claim 3 is characterized in that in the invention according to claim 1, the projection is attached to the inner surface of the band portion by welding.

The invention according to a fourth aspect is characterized in that, in the invention according to any one of the first to third aspects, the bolt hole is formed outside the center line passing through the projection. is there.

  According to the present invention, by engaging the projection formed on the band portion with the opening formed on the post, the lateral beam attachment can be attached to the post without using the cross beam attachment bolt. In addition, the lateral beam can be easily attached to the support, the appearance is excellent, and the cost can be reduced.

  Moreover, according to this invention, it becomes difficult to remove | deviate from a support | pillar by forming a pair of right and left protrusion and forming the hook formed in protrusion in the upper and lower sides outward.

It is a top view which shows the horizontal beam attachment for guard fences of this invention. It is a front view which shows the horizontal beam attachment for guard fences of this invention. It is an A arrow line view of FIG. It is a partial front view which shows the guard fence constructed | assembled by the cross beam fitting for guard fences of this invention. It is a partial top view which shows the guard fence which attached the cross beam to the support | pillar at an angle in a horizontal surface, and attached it to a support | pillar by the guard beam cross beam attachment of this invention. It is a disassembled perspective view which shows the attachment part of the support | pillar and cross beam by the conventional attachment bracket A. FIG. It is a perspective view which shows the conventional attachment bracket B. As shown in FIG. It is a front view which shows the state which attached the horizontal beam to the support | pillar horizontally with the conventional mounting bracket B. As shown in FIG. It is a front view which shows the state which inclined and attached the horizontal beam to the support | pillar by the conventional mounting bracket B. FIG. It is a front view which shows the state which attached the horizontal beam to a support | pillar at an angle in the horizontal surface with the conventional mounting bracket B, and was attached.

  One embodiment of a guard fence lateral beam fitting of the present invention will be described with reference to the drawings.

  FIG. 1 is a plan view showing the side fence attachment for guard fence of the present invention, FIG. 2 is a front view showing the side beam attachment for guard fence according to the present invention, and FIG. is there.

  As shown in FIG. 1 to FIG. 3, the guard beam horizontal beam mounting bracket C of the present invention (hereinafter simply referred to as horizontal beam mounting bracket C) is a support by bending a steel plate as a plate into a U shape. It comprises a band 1 to be wound and a cross beam attachment 2 to which a cross beam is attached. In addition, the internal diameter of the band part 1 is formed a little smaller than the outer diameter of the support | pillar to attach. Further, the lateral beam mounting portions 2 are formed to face each other, and the end portions of the lateral beams are sandwiched between the lateral beam mounting portions 2 and fixed by lateral beam mounting bolts described later.

  A projection 3 is formed on the inner surface of the band portion 1 to be engaged with an opening described later formed in a support, and a bolt hole 4 through which a horizontal beam mounting bolt is inserted is formed in the horizontal beam mounting portion 2 .

  The bolt hole 4 is a center line (L) passing through the projection 3 in order to improve the appearance of the mounting portion of the cross beam to the support when the cross beam mounting bracket C is used upside down as described later. It is formed more outward. In addition, 5 is an embossing for reinforcement.

  The protrusion 3 is formed by punching out the band portion 1 by a press and bending a part of the band portion 1 at a right angle inside the band portion 1, and a hook 6 is formed at the tip. The protrusions 3 are formed in a pair on the left and right, and the pair of hooks 6 are formed in the upper and lower directions. The number of projections 3 may be one. Further, the projection 3 on which the hook 6 is formed may be attached to the inner surface of the band portion 1 by retrofitting the projection member by welding or the like.

  As shown in FIGS. 3 and 4, the support 7 to which the transverse beam 8 is attached is formed with an opening 9 as shown in FIG. The hooks 6 engage with the openings 6 by inserting the protrusions 3 into the openings 9. Furthermore, since the inner diameter of the band portion 1 is formed to be slightly smaller than the outer diameter of the support column 7, when the horizontal beam mounting bolt 10 is tightened with the horizontal beam 8 interposed between the horizontal beam mounting portions 2, the band portion 1 The support 7 is tightened without being loosened and fixed to the support 7. As a result, the cross beam mounting bracket C can be mounted at a predetermined position of the support 7 without using the cross beam mounting bracket bolt. As described above, since it is not necessary to use a bolt for lateral beam attachment, it is possible to easily attach the lateral beam 8 to the support 7 and also to be excellent in appearance and to reduce the cost.

  Further, since the pair of hooks 6 are formed in the upper and lower directions, when the projection 3 is inserted into the opening 9, the movement of the horizontal beam 8 in the vertical and horizontal directions can be reliably blocked.

  In order to attach a cross beam to a support | pillar by the cross beam attachment bracket C comprised in this way, it is as follows.

  As shown in FIG. 4, in order to horizontally attach the horizontal beam 8 to the left side of the support 7, the band portion 1 of the lateral beam mounting bracket C is fitted in the support 7, and the projection 3 is in the opening 9 formed in the support 7. insert.

  Next, the end of the cross beam 8 is horizontally inserted between the cross beam mounting portion 2 and the cross beam mounting bolt 10 is formed in the bolt hole 4 of the cross beam mounting portion 2 and the bolt hole of the cross beam 8 (see FIG. (Not shown) and fixed by a nut 11 (see FIG. 5).

  This allows horizontal beam 8 to be mounted horizontally on the left side of column 7.

  Next, as shown in FIG. 4, in order to attach the horizontal beam 8 to the right side of the column 7 by tilting it, the horizontal beam mounting bracket C is turned upside down, and the horizontal beam mounting bracket is inserted into the opening 9 formed in the column 7. Fit the C band 1. By using the horizontal beam mounting bracket C upside down, the appearance of the mounting portion of the horizontal beam 8 to the support 7 is improved.

  Then, the end portion of the cross beam 8 is inclined between the cross beam mounting portion 2 and the cross beam mounting bolt 10 is formed in the bolt hole 4 of the cross beam mounting portion 2 and the bolt hole (Not shown) and fixed by a nut 11 (see FIG. 5).

  Thereby, the horizontal beam 8 can be attached to the right side of the support 7 in an inclined manner.

  Next, in order to attach the cross beam 8 to the support 7 at an angle in the horizontal plane by the cross beam mounting bracket C, the projection 3 of the cross beam mounting bracket C is flattened with a hammer or the like. Fit the band 1 of the mounting bracket C.

  Next, the cross beam mounting bracket C is rotated about the support 7 by a predetermined angle, and the cross beam 8 is attached to the cross beam mounting bracket C by the cross beam mounting bolt 10.

  This allows the transverse beam 8 to be attached to the post 7 at an angle in the horizontal plane, as shown in FIG.

  As described above, according to the present invention, by engaging the projection 3 formed on the band portion 1 with the opening 9 formed on the support 7, the support 7 is used without using the bolt for the horizontal beam mounting bracket. Since the lateral beam attachment bracket C can be attached to the support 7, the lateral beam 8 can be easily attached to the support 7, and the appearance is excellent, and moreover, the cost can be reduced.

1: Band part 2: Transverse beam mounting part 3: Protrusion 4: Bolt hole 5: Embossed 6: Hook 7: Strut 8: Transverse beam 9: Opening 10: Transverse beam mounting bolt 11: Nut 21: Strut 22: Transverse beam 23 : Receiving bracket 24: Receiving section 25: Covering section 26: Covering section 27: Receiving bracket mounting bolt 28: Bolt hole 29: Bolt hole 30: Nut 31: Horizontal beam mounting bolt 32: Bolt hole 33: Bolt hole 34: Bolt hole 35: Nut 36: Through hole 37: Support 38: Contact surface 39: Bolt hole 40: Transverse beam 41: Fixing bolt

Claims (4)

In the guard beam horizontal beam mounting bracket for attaching the horizontal beam to the support,
By bending the plate material into a U-shape, a band portion wound around the column and a horizontal beam attachment portion to which the horizontal beam is attached are formed, and the inner surface of the band portion is engaged with the opening formed in the column A pair of left and right protrusions having hooks at the tip are formed respectively in the upper and lower direction, and a bolt hole through which a horizontal beam mounting bolt is inserted is formed in the horizontal beam mounting portion, and the inner diameter of the band portion is A lateral beam mounting bracket for a protective fence, wherein the protrusion is smaller than the outer diameter of the post, and the protrusion is formed at one place on a center line of the lateral beam mounting portion .   The side beam mounting bracket for guard fence according to claim 1, wherein the projection is formed by punching out the band portion and bending a part of the band portion to the inside of the band portion.   The side beam mounting bracket for guard fence according to claim 1, wherein the projection is attached to the inner surface of the band portion by welding. The guard as claimed in any one of claims 1 to 3, wherein the bolt hole is formed outside the center line passing through the protrusion .

Images