JP3016915U - Protective fence horizontal rail mounting bracket - Google Patents

Abstract

(57) [Summary] [Structure] A protective fence 4 in which a cross rail 3 and a chain 14 are attached below it between a plurality of circular columns 2 that are built at appropriate intervals.
In the horizontal rail mounting bracket 1, the horizontal rail mounting portion 6 is formed in a tubular shape and is configured to be vertically separable, and a chain insertion hole 15 is provided in the lower wall of the lower horizontal rail mounting portion 11 while A rod body (18) inserted into the tip ring (14A) of the chain (14) inserted in the insertion hole (15) is detachably provided. [Effect] An operator can attach and detach the chain relatively easily in the same manner as the method of mounting the cross rail. Even if the circular columns or chains are damaged and forced to be replaced, they can be replaced relatively easily. Further, since the chain is attached together with the horizontal crosspiece, unlike the case where the chain is detachably attached to the column or the like with bolts, there is no risk of loss.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a protective fence for preventing a vehicle from entering a park or the like, and a metal fitting for mounting a cross rail of a protective fence installed on a road, etc. More specifically, two or more circles are planted at appropriate intervals. The present invention relates to a cross rail mounting metal fitting of a protection fence in which a cross rail and a chain are attached between the pillars.

[0002]

[Prior art]

 Generally, a protective fence installed on a road or the like has a cross rail mounting metal fitting between circular columns as shown in, for example, No. 60-148321, No. 58-76622, and No. 59-5056. Various types are known, such as a type in which a horizontal rail is attached via the above.

In the above-mentioned protective fence F, as shown in FIG. 5, for example, a horizontal rail 33 is attached to a plurality of circular columns 31 which are planted at appropriate intervals via a horizontal rail attachment metal fitting 32. In consideration of the appearance, there is a protective fence G having a chain 34 attached below the upper horizontal rail 33 as shown in FIG.

The horizontal rail attachment fitting 32 of the protective fences F and G has a tubular portion at which the horizontal rail 33 is attached, and is inserted into the pipe portion and fixed with bolts or the like, or as shown in FIG. In addition, there is a method in which the mounting portion 35 of the horizontal rail 33 formed in a tubular shape is halved, and the horizontal rail 33 is sandwiched between the halved pieces 36 and 37 and fixed by bolts and nuts 38. In FIG. 7, a portion indicated by reference numeral 39 indicates a curved mounting portion having a shape along the circular column 31 formed on the end surface.

Further, as shown in FIG. 8, the chain 34 is attached to the protective fence G as shown in FIG. 8 by attaching the mounting rod 40 bent in a semicircle shape in the ring at the end of the chain 34 to the circular column 31. It is attached by welding to the side surface or the underside of the cross rail mounting bracket 32 so that it cannot be easily removed.

[0006]

[Problems to be solved by the device]

 In the above-mentioned protective fence G, the chain 34 is welded and attached to the side surface of the circular strut 31 or the lower surface of the horizontal rail mounting bracket 32 by the mounting rod body 40. , Welding equipment is required for installation by welding, and installation is not easy. If the circular column 31 or chain 34 is damaged and must be replaced, the chain 34 must be removed by fusing the rod 40, and welding must be performed again for mounting. Therefore, it requires welding equipment and cannot be easily installed, which requires welding technology and labor.

The present invention has been made in order to solve the above-mentioned problems, and its purpose is not to use a special means such as welding but to allow an installation worker to connect a chain to a protective fence. It is intended to provide a cross rail mounting metal fitting for a protective fence which can be mounted and dismounted relatively easily.

[0008]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the metal fitting for a horizontal rail of the protective fence according to the present invention has a horizontal rail and a chain attached below the horizontal rail between a plurality of circular pillars which are planted at appropriate intervals. In the horizontal rail mounting bracket of the protective fence, the horizontal rail mounting portion is formed in a tubular shape and is vertically separable, and a chain insertion hole is provided in the lower wall of the lower horizontal rail mounting portion. The rod body that is inserted into the ring at the tip of the chain inserted into the is detachably provided.

In the cross rail mounting metal fitting of the above-mentioned protective fence, the rod inserted into the ring at the chain end inserted into the chain insertion hole is formed in an arc shape along the cross section of the lower cross rail mounting portion. It may be touched. In this case, it is advisable to provide a lateral deviation prevention means on the inner peripheral surface of the lower horizontal rail mounting portion to which the rod is mounted. Further, the chain insertion hole is preferably formed as a long hole in the tube axis direction.

[0010]

[Action]

 The horizontal rail mounting member of the present invention is configured such that the horizontal rail mounting portion is formed in a tubular shape and can be divided into upper and lower halves, and a chain insertion hole is formed in the lower wall of the lower horizontal rail mounting portion, Since the rod body that can be inserted into the ring at the tip of the chain inserted into the hole is detachably attached, the upper horizontal rail mounting member of the horizontal rail mounting bracket is removed, and in that state, the lower wall of the lower horizontal rail mounting section. The tip of the chain can be inserted from the bottom to the top through the chain insertion hole provided in, and the rod body can be inserted through the ring of the chain tip protruding into the lower wall of the lower horizontal rail attachment part to prevent it from coming off. The chain can be attached and detached relatively easily by the worker in the same way as installing the cross rail. Also, if the circular columns or chains are damaged and forced to be replaced, they can be replaced relatively easily. Also, since the chain is attached together with the cross rail, unlike the case where the chain is detachably attached to the support post with bolts, there is no risk of loss.

[0011]

【Example】

 Embodiments of the present invention will be described below with reference to the drawings. 1A and 1B are explanatory views of a cross rail mounting bracket according to the present invention, in which FIG. 1A is a front sectional view, and FIG. 1B is a view taken in the direction of the arrow X in FIG. 2A and 2B are explanatory views of the usage state of the cross rail mounting metal fitting, in which FIG. 2A is an overall view, and FIG. 2B is an enlarged partial cross-sectional view of the Y portion of FIG. In the figure, 1 is a cross rail mounting bracket, 2 is a circular column, 3 is a cross rail, and 4 is a protection fence.

As shown in FIG. 1, the horizontal rail mounting bracket 1 has a closed concave arcuate surface portion 5 and a horizontal rail 3 which are attached to the side surface of the circular column 2 along the curved shape of the side surface of the circular column 2. And a bolt insertion slot 7 formed in the left-right direction as an elongated hole penetrating inward and outward, at the center of the closed concave arc surface of the closed concave arc surface 5. A concave streak 8 is formed on the upper inner wall of the central portion of the bolt insertion slot 7, and a convex streak 9 is formed on the lower inner wall in the tube axis direction. Further, the pipe portion 6 can be divided into upper and lower halves, an upper horizontal rail mounting portion 10 is formed so as to be attachable to and detachable from a lower horizontal rail mounting portion 11, and the inner surface center of the upper horizontal rail mounting portion 10 is A female screw portion 12 is provided in the vertical direction, and an insertion hole 13 for a countersunk bolt is formed in the central portion of the lower horizontal rail attachment portion 11. Further, a chain attachment hole 15 for attaching the chain 14 is formed between the insertion hole 13 and the closed concave arc surface portion 5.

In order to use the above-mentioned cross rail mounting bracket 1, first, the closed concave arc-shaped surface portions 5, 5 of the cross rail mounting brackets 1, 1 are formed on the left and right (toward the drawing) side surfaces of the circular column 2 at predetermined positions. The mounting bolt 16 through the slotted hole 7 for bolt insertion from the inside of the closed concave arc-shaped surface portion 5 of the fitting 1 for mounting the horizontal crosspiece, and further the bolt insertion hole 2A (not shown) for the circular column 2. From the side to the bolt insertion hole 2B side, and is provided through the oblong hole 7 for bolt insertion of the closed concave arcuate surface portion 5 of the fitting 1 for mounting the right horizontal rail, and the nut 17 is tightened and fixed. After this, insert the tip ring 14A of the chain 14 into the lower horizontal rail attachment part 11 of the pipe portion 6 of the horizontal rail attachment metal fitting 1 from below into the chain attachment hole 15, and remove the long rod. A short rod of an L-shaped rod 18 formed in a semicircular arc shape along the inner peripheral surface of the pipe portion 6 is inserted into a ring 14A protruding above the lower horizontal rail attachment portion 11. Further, after mounting the horizontal rail 3 on the lower horizontal rail mounting portion 11 outside the L-shaped rod body 18 and covering the upper horizontal rail mounting portion 10, the dish bolt 19 is placed under the lower horizontal rail mounting portion 11. From the side, it is passed through the insertion hole 13 and the bolt hole 20 of the horizontal rail 3, and is tightened and fixed to the female screw portion 12 in the upper horizontal rail mounting portion 10.

When the chain 14 is replaced in the horizontal rail mounting bracket 1 mounted on the circular column 2 as described above, the flat bolt 19 is loosened, the upper horizontal rail mounting portion 10 is removed, and the horizontal rail 3 is moved horizontally. This can be done by lifting the L-shaped rod body 18 after lifting it slightly above the crosspiece mounting bracket 1, and the chain 14 can be replaced relatively easily by the installer.

In the above embodiment, when attaching the chain 14 to the horizontal rail attachment fitting 1, an L-shaped long rod is formed in a semi-circular shape along the inner peripheral surface of the pipe portion 6. Although the rod 18 is used and the rod of a short portion is inserted into the ring 14A protruding above the lower horizontal rail mounting portion 11, the present invention is not limited to this embodiment, and the present invention is not limited to this. Part of the rod body may be an L-shaped rod body 18 formed to have a length slightly shorter than the inner diameter of the tube portion 6, or as shown in FIG. It may be the arc-shaped rod body 21. In the case of this semi-circular rod body 21, a receiving groove 22 of the rod body 21 is formed along the inner peripheral surface across the chain mounting hole 15 of the lower horizontal rail mounting portion 11 to prevent the displacement in the pipe axial direction. You should prevent it. In this case, if the chain attachment hole 15 is elongated in the pipe axis direction and its width is slightly larger than the ring width of the chain 14, the semi-arcuate rod 21 can be attached more easily. And is preferable.

Further, in the above-described embodiment, the configuration in which the horizontal rail mounting bracket 1 is directly mounted on the inner side surface of the circular column 2 has been described as an example, but between the horizontal rail mounting bracket 1 and the circular column 2 is described. It is also possible to interpose an auxiliary metal fitting so that the horizontal rail mounting metal fitting 1 can be attached to the circular column 2 by inclining vertically and / or horizontally. In this case, it becomes easy to attach the protective fence 4 to a road having a slope or a curve.

Further, in the above embodiment, the horizontal rail mounting metal fitting 1 in which the horizontal rail 3 is provided on the inner side surface between the circular columns 2 and 2 has been described as an example, but the present invention is limited to this embodiment. However, as shown in FIG. 4, both pipe ends are formed in the same structure as the structure of the pipe portion 6 of the cross rail mounting metal fitting 1, and a bolt for attaching to the lateral side surface of the circular column 2 is provided at the center. The cross rail mounting metal fitting 23 may be perforated. Even with this horizontal rail mounting bracket 23, the procedure for attaching and detaching the chain 14 and the horizontal rail 3 to and from the pipe portion 6 is the same, and it is possible to obtain the same operational effect as in the case of the horizontal rail mounting bracket 1. .

[0018]

[Effect of device]

 As described above, according to the horizontal rail mounting bracket of the protective fence according to the present invention, the horizontal rail mounting portion is formed in a tubular shape and can be divided into upper and lower halves. While a chain insertion hole is provided in the wall, a rod body that can be inserted into the ring at the tip of the chain inserted in this chain insertion hole is detachably attached, so that the operator can install it in the same way as a horizontal rail. Chains can be installed and removed relatively easily. In addition, even if the circular columns or chains are damaged and forced to be replaced, they can be comparatively easily replaced. Also, since the chain is attached together with the cross rail, unlike the case where the chain is detachably attached to the support post with a bolt, there is no risk of loss.

[Brief description of drawings]

1A and 1B are explanatory views of a cross rail mounting metal fitting according to the present invention, in which FIG. 1A is a front sectional view and FIG.

2A and 2B are explanatory views of a use state of a horizontal rail mounting bracket according to the present invention, in which FIG. 2A is an overall view, and FIG. 2B is an enlarged partial cross-sectional view of a Y portion of FIG.

FIG. 3 is an explanatory view showing a state in which a chain is attached to a horizontal rail attachment fitting according to another embodiment of the present invention.

4A and 4B are explanatory views of a cross rail mounting member of another embodiment according to the present invention, FIG. 4A is a front sectional view, and FIG. 4B is a top view showing a cap removed.

FIG. 5 is a front view of a conventional protective fence.

FIG. 6 is a front view of another type of conventional protective fence.

FIG. 7 is an explanatory view of a conventional cross rail mounting bracket,
(A) is a front sectional view and (b) is a top view.

FIG. 8 is an explanatory view of a conventional chain attachment method.

[Explanation of symbols]

1: Crosspiece mounting bracket 2: Circular column 2
A, 2B: Bolt insertion hole 3: Side rail 4: Guard fence
5: Closed concave arc surface part 6: Pipe part 7: Slot for bolt insertion
8: concave streak 9: convex streak 10: upper horizontal rail attachment part 1
1: Lower horizontal rail attachment part 12: Female thread part 13: Insertion hole for flat head bolt 1
4: Chain 14A: Tip ring 15: Chain mounting hole 1
6: Mounting bolt 17: Nut 18: L-shaped rod 1
9: Countersunk bolt 20: Bolt hole 21: Semi-circular rod 2
2: Receiving groove 23: Cross rail mounting bracket

Claims (4)

[Scope of utility model registration request] 1. A cross rail mounting part of a protection rail in which a cross rail and a chain are attached between a plurality of circular support columns which are planted at appropriate intervals, and the cross rail mounting portion is formed in a tubular shape. In addition, it is constructed so that it can be divided into upper and lower halves, and while a chain insertion hole is provided in the lower wall of the lower horizontal rail attachment part, a rod body that is inserted into the ring at the tip of the chain inserted into this chain insertion hole is detachably provided A metal fitting for attaching a horizontal rail of a protective fence, which is characterized in that 2. The side of the protective fence according to claim 1, wherein the rod body inserted into the ring at the tip of the chain inserted into the chain insertion hole is formed in an arc shape along the cross section of the lower horizontal rail attachment portion. Crosspiece mounting bracket. 3. A cross rail mounting bracket for a protection fence according to claim 2, wherein a lateral slip prevention means is provided on an inner peripheral surface of a lower cross rail mounting portion to which the rod is mounted. Metal fittings. 4. The cross rail mounting metal fitting for a protective fence according to claim 2 or 3, wherein the chain insertion hole is formed as a long hole in the pipe axis direction.