JPH0557011U - Guard fence for civil engineering and construction site construction - Google Patents

Abstract

(57) [Summary] (Modified) [Purpose] Fences can be added in multiple stages, and high-level fences can be assembled and installed easily and safely. In addition, stable multi-stage stacking of fences is possible and transportation is possible. sex,
We provide a guard fence made of plastic that has excellent storability for construction work at civil engineering sites. [Structure] Having a fence frame portion 1, a fence mesh portion 2 and a pedestal 3, and providing a recess 4 at a position corresponding to the pedestal 3 into which the pedestal can be fitted in a fitting manner, thereby providing a guard. Fence can be added in multiple stages. Also,
The convex portion 5a and / or the concave portion 5b is formed on the peripheral portion of the one side of the fence frame portion 1, and the concave portion 5b is located at a position corresponding to the convex portion 5a of the peripheral portion on the other surface side, and the position corresponding to the concave portion 5b. The convex portions 5a are each formed in a fitting shape, and the plurality of guard fences can be fitted in the concave and convex portions to each other so that the fences can be stably stacked in multiple stages.

Description

[Detailed description of the device]

[0001]

[Industrial application]

 The present invention relates to a guard fence used for civil engineering and construction site construction. More specifically, since it is lightweight and has excellent installation stability, it is possible to extend the fence in multiple stages, and it is possible to easily and safely assemble and install a high-end fence. Regarding plastic guard fence. Further, the present invention relates to a plastic guard fence which is excellent in transportability and storability and is capable of stacking a plurality of guard fences by fitting the concavo-convex portions to each other so that the fences can be stably stacked in multiple stages. Further, the present invention relates to a plastic guard fence which is suitable for mass production because the fence portion and the pedestal portion can be integrally formed by plastic injection molding or the like, which has excellent productivity and low cost.

[0002]

[Prior Art]

 Fences used for guards at civil engineering and construction sites are indispensable facilities for ensuring the safety of construction.Fences with a wide variety of structures have been proposed and used in comparison with conventional ones. There is.

However, most of the conventional fluences used for this type of application have a structure in which a metal net is attached to a metal frame, and the fluence itself has a heavy weight. Even when it is necessary, it is rather dangerous to add the fences in multiple stages, such as 2 stages and 3 stages, and it was always dangerous to make and install the fences to the desired height each time. For this reason, the cost required to manufacture and install the fence for the guard was an amount that could not be ignored due to the construction cost.

[0004]

[Problems to be solved by the device]

 Therefore, an object of the present invention is that the fence portion including the frame portion, the net portion, etc. and the main portion of the fence such as the pedestal are integrally formed of plastic, so that they are extremely lightweight compared to the metal fence and can be installed. The stability is excellent, and since the fences can be added in multiple stages, you can easily and easily assemble the fences of the desired height at the construction site simply by bringing in the required number of fences of the same standard to the site. It is an object of the present invention to provide a plastic fence made of plastic that is easy to install and dismantle, and can be easily dismantled and dismantled when it is no longer needed at the end of construction.

Another object of the present invention is that the main parts of the fence such as the fence and the pedestal can be integrally formed by plastic injection molding, and the fences of the same standard are used in combination. This is to provide a guard fence that is extremely economical and is suitable for production, thus reducing production costs and requiring no great labor for assembly and installation.

Still another object of the present invention is that since the fences can be stably stacked by stacking the fences on top of each other in a multi-stage manner, a large number of fences can be compactly stored, transported, and set. It is to provide a fence for a guard that is excellent in storing and transporting the fence itself without causing troubles such as load collapse.

[0007]

[Means for Solving the Problems]

 According to the present invention, a plastic guard fence having a fence frame portion (1), a fence mesh portion (2), and at least one pedestal (3) integrally formed on a bottom side bottom surface of the frame portion (1). In the above, since the concave portion (4) into which the pedestal (3) can be inserted in a fitting manner is provided at the position corresponding to the pedestal (3) on the upper surface of the upper side of the frame part (1), Provided is a plastic fence for civil engineering and construction site construction, which is characterized by being able to extend the guard fence in multiple stages.

Further, according to the present invention, at least one convex portion (5a) and / or concave portion (5b) is provided in the peripheral portion of the fence surface of the fence frame portion (1), and the peripheral portion of the other surface is provided. A concave portion (5b) is formed in a position corresponding to the one-sided convex portion (5a), and a convex portion (5a) is formed in a position corresponding to the concave portion (5b), respectively. By fitting and stacking, a guard fence that allows stable multi-stage stacking of the fences is provided.

Further, according to the present invention, a pair of the convex portion (5a) and the concave portion (5b) are formed on the peripheral portion of one side of the fence surface of the fence frame portion (1) as a symmetrical center line of the fence surface. On the other side, the same concavo-convex portion as the one surface side or the concavo-convex portion opposite to the one surface side is provided on the other surface side corresponding to the position where the concavo-convex portion on the one surface side is provided. As a result, by aligning the pedestals (3) in the same direction, it is possible to provide a guard fence that allows the guard fences to be fitted together without considering the directionality of the front and back sides of the fence surface.

[0010]

[Action]

 The present invention consists of a frame forming the outer periphery of the fence and a fence mesh portion composed of a net surface and the like formed inside the frame, and usually two pedestals provided on the lower side of the frame portion of the fence and extending downward. In addition, on the upper side of the frame, there is formed a recessed portion into which a pedestal of another same type of fence can be fittedly fitted in correspondence with the position where the pedestal is formed. This is one characteristic, and the second characteristic is that these main parts of the fence are integrally formed of plastic.

In civil engineering and construction sites, in most cases it is necessary to install a fence for guards on the outer circumference of the construction site. However, this fence depends on the content of the construction or the topography of the outer circumference of the site. Therefore, the height must be properly adjusted and set. Since the guard fence of the present invention has the above-mentioned structure, the fence of the same standard can be added in multiple steps by fitting the pedestal and the recess into the fitting shape, and therefore the height can be freely adjusted. You can do it. Moreover, since most of the fence is made of plastic, it is lightweight and strong, and even if it is added in multiple stages, it is safe because it will not be broken or fallen from the added portion due to its own weight. Moreover, it is possible to assemble and install extremely simply by inserting the pedestal into the recess.

In the installation of the fence of the present invention, for example, a concrete block having two holes into which the pedestals of the adjacent fences at the lowermost stage can be inserted is arranged at a predetermined interval, and the concrete blocks are successively arranged. Insert the corresponding fence pedestal into the block hole and install. When adding multiple fences in multiple stages, insert the pedestal of another fence into the hole formed on the upper side of this bottom fence.

Further, in the uppermost fence, by inserting a fixing tool having, for example, a U-shape into two holes on the upper side of the adjacent fences, which are adjacent to each other, and fixing them together, the fluctuation of the fences can be prevented. It can prevent and further reinforce the stability of the combined fence.

Further, according to the present invention, at least one convex portion and / or concave portion is provided on one side of the fence surface of the frame portion of the fence, and the portion corresponding to the position where the convex portion is provided on the opposite surface side. It is preferable to provide a concave portion to be fitted to the convex portion and a convex portion to a position corresponding to the position of the concave portion, so that a plurality of fences of the same shape are fitted to the concave and convex portion to be superposed integrally. It is convenient for transportation by trucks, stationary, transportation of trucks, storage of fences when not in use, and stationary for on-site assembly.

In particular, when the uneven portion is symmetrically arranged on the frame on the fence surface and provided at the same position on both surfaces of the frame, when the pedestals are aligned in the same direction, the front and back surfaces of the fence surface are not taken into consideration. It is convenient because it is possible to fit together Fence.

[0016]

【Example】

 Hereinafter, the present invention will be described in more detail with reference to the drawings. FIG. 1 is a conceptual view (perspective view) showing the assembled and installed state of the guard fence of the present invention.

In the guard fence shown in FIG. 1, the fence is composed of a fence frame portion (1) and a fence mesh portion (2) and is integrally formed of plastic. There are two fences on the bottom surface of the fence frame portion (2). The column bases (3) are provided, and the column-shaped recesses (4) are provided on the upper surface.

Further, on both sides of the fence surface of the fence frame (1), there are a plurality of convex portions (5) and concave portions (6) at symmetrical positions on the left, right, top and bottom of the frame surface (in the case of FIG. Three convex portions and three concave portions) are formed integrally with the frame at symmetrical positions. At the bottom of the fence, each pedestal (3) is inserted into the insertion hole of the concrete block as shown in Figure 1.

The second stage fence is added by fitting the second stage fence column (3) into each hole (4) provided on the upper surface of the lowermost fence frame (1). In the fence shown in Fig. 1, the uppermost fence is designed to prevent the swing of the fence and to secure the installation of the fence by connecting adjacent fences with a fixing tool.

FIG. 2 is a perspective view showing a state in which the fences shown in FIG. 1 are stacked on top of each other.

As is apparent from FIG. 2, the fence of FIG. 1 according to the present invention can fit the concave and convex portions (5) formed on the frame surface to each other and stack them in a solid manner. Can be transported and transferred without worry. FIG. 3 is a side view and a top elevational view showing another embodiment of the guard fence of the present invention. FIG. 4 is a side view and a top elevational view showing still another embodiment of the guard fence according to the present invention. In the guard fence shown in FIG. 4, four convex portions are provided at symmetrical positions on one side of the fence frame. On the surface side, concave portions are arranged at positions corresponding to the respective convex portions. FIG. 5 shows that a pair of projections and depressions are provided on one side of the fence surface of the fence frame portion (1) at symmetrical positions with respect to the center line of the fence surface, and the one surface and the other surface correspond to each other. FIG. 6 is a side view and a top elevational view showing a guard fence in a mode in which a concave and convex portion having the same shape is formed at a position. In this embodiment, it is convenient to align the pedestals (3) in the same direction, because it is possible to fit the guard fences together without considering the directionality of the front and back sides of the fence surface.

[0022]

[Effect of the device]

 Since the guard fence of the present invention has the above-mentioned structure, it has an advantage that the fence can be added in multiple stages and a high fence can be installed easily and safely. In addition, the rugged frame part provided with a mating concave and convex part can be stacked stably on top of each other, making it possible to compactly store, transport, and place a large number of fences. Another advantage is that it is particularly convenient for transportation by vehicles. Furthermore, since the main part is integrally formed of plastic, it is lightweight, does not rust, and is suitable for mass production, so it has a number of advantages such as relatively inexpensive production.

[Brief description of drawings]

FIG. 1 is a conceptual perspective view showing a state where a guard fence of the present invention is assembled and installed.

FIG. 2 is a perspective view showing a state in which the fences of FIG. 1 are stacked one on top of another.

FIG. 3 is a side elevational view and a top elevational view showing another embodiment of the guard fence of the present invention.

FIG. 4 is a side view and a top elevational view showing another embodiment of the guard fence of the present invention.

FIG. 5 is a side view and a top elevational view showing another embodiment of the guard fence of the present invention.

[Explanation of symbols]

 1 Fence frame part 2 Fence mesh part 3 Pillar 4 Dent for inserting pillar 5a Convex part of the face of the fence 5b Concave part of the face of the fence

Claims (3)

[Scope of utility model registration request] 1. A plastic guard fence having a fence frame portion (1), a fence mesh portion (2), and at least one pedestal (3) integrally formed on a bottom side bottom surface of the frame portion (1). In the guard fence, a concave portion (4) into which the pedestal (3) can be inserted in a fitting manner is provided at a position corresponding to the pedestal (3) on the upper surface of the frame portion (1). Guard fence for plastic civil engineering construction site construction, which is characterized by being able to add multiple steps. 2. At least one convex portion (5a) and / or concave portion (5b) at the peripheral portion of one side of the fence surface of the fence frame portion (1), and one convex portion at the peripheral portion of the other surface side (5a) and / or concave portion (5b). The recess (5b) is provided at a position corresponding to the recess (5a).
A convex portion (5a) is formed at a position corresponding to b) in a fitting shape, and a plurality of guard fences can be stacked by fitting the concave and convex portions to each other to enable stable multistage stacking of the fences. Guard fence described in 1. 3. A pair of the convex portion (5a) and the concave portion (5b) are provided at a peripheral portion on one surface side of the fence surface of the fence frame portion (1) in a symmetrical position with respect to a left-right symmetrical center line of the fence surface. Further, the other surface side is provided with the same uneven portion as that on the one surface side corresponding to the position where the uneven portion on the one surface side is provided, so that the pedestal (3) is aligned in the same direction. The guard fence according to claim 1, wherein the guard fences can be fitted to each other without considering the directionality of the front and back surfaces.