JPS6112043B2 - - Google Patents

Description

Detailed Description of the Invention This invention is installed at entrances and exits of parks, entrances from public roads to private roads, entrances and exits of parking lots, etc., and is usually used to prevent unauthorized entry of vehicles, and also to prevent vehicles from passing through depending on the time of day or in an emergency. This product relates to a rotating retractable vehicle intrusion prevention fence.

Conventionally, this type of vehicle intrusion prevention fence has been installed in advance by providing installation grooves or installation holes on the road surface, such as those installed at entrances and exits from public roads to private roads.
A fence is installed by removably fitting into the installation groove or installation hole (publication of Utility Model Publication No. 39-15529), or it is installed underground when the car is empty, such as the one installed at the entrance to a parking lot. A known example is one in which the vehicle is left in place, and when the vehicle is full, it is pulled out from the ground to protrude from the road surface (Japanese Utility Model Publication No. 51-51558).

However, the former type has the problem that people can run away with the fence, or it is troublesome to move the fence and it is left on the roadside, so it no longer functions as a fence. Well,
Since it is necessary to drill a vertical hole with a depth equal to the height of the fence, there is a problem in that the installation work is extremely large-scale work, and both of these methods have drawbacks. Furthermore, since the supports or vertical holes of both fences are opened at the same height as the road surface, it is easy for sand, pebbles, etc. to enter the supports, etc., and the supports, etc. become clogged, making it impossible to attach or remove them or come out. It had the disadvantage of being possible. To solve this problem, as described in the above-mentioned Japanese Utility Model Publication No. 51-51558, a lid is formed on the upper end of the fence, and the lid provides support when the fence sinks into the ground. It is also possible to block the openings in the body, but
Even with these types of fences, if the fence protrudes from the road surface, sand, etc. can mix with rainwater and enter through the gap between the fence and the support, so countermeasures cannot be said to be perfect, so it is necessary to bury the fence underground. Considering that it is very difficult to remove sand, etc. from the supporting material, the scope of its use was extremely limited.

The present invention has been made in view of this point of view, and it is an object of the present invention to provide a rotating retractable vehicle intrusion prevention fence that has a simple structure, can be easily installed anywhere, and can be used for a long period of time. purpose.

Hereinafter, the present invention will be described in detail based on embodiments shown in the accompanying drawings.

1 and 2, a rotating retractable vehicle intrusion prevention fence A according to the present invention is shown. This vehicle intrusion prevention fence A includes a support rod 1 that is erected at an appropriate height on a road surface G such as a roadside, and a use position and a vehicle that are rotatably attached to the support rod 1 to prevent vehicle intrusion. and an intrusion prevention rod 2 that rotates between the storage position and the storage position that allows the passage of the support rod 1.
It has a bearing part 3 at its upper end, and an anchor part 5 formed at its lower end and partitioned by a flange part 4, which is buried and fixed in the road surface. Further, the intrusion prevention rod 2 is formed into a substantially L-shape, and one end thereof is attached to the bearing portion 3 of the support rod 1 by a rotating shaft 6 so as to be freely rotatable substantially horizontally, and the other end protrudes in a substantially horizontal direction to provide support. The upper end of the rod 1 is designed to rotate approximately horizontally around a rotation shaft 6. Further, at one end of the intrusion prevention rod 2 on which the rotating shaft 6 is provided, a locked portion 7 that protrudes downward is formed on its periphery, and the intrusion prevention rod 2 is connected to the locked portion. 7 is engaged with a notch-shaped locking portion 8 formed in the bearing portion 3 of the support rod 1, thereby being fixed in its use position and storage position. At this time,
The foot portion 9 of the rotating shaft 6 is longer than the protruding length of the locked portion 7, and by lifting the intrusion prevention rod 2 upward as far as the foot portion 9 allows, the locked portion 7 and the locked portion are separated. 8 is released, and the intrusion prevention rod 2 is free to rotate in a substantially horizontal direction.

Therefore, according to the rotating retractable vehicle intrusion prevention fence A of the present invention, as shown in FIG.
is installed so that the tip of the intrusion prevention rod 2 faces toward the roadside, allowing pedestrians, bicycles, etc. to pass between the tip of the intrusion prevention rod 2 and one road edge, and preventing intrusion. The prevention rods 2 prevent unauthorized vehicle intrusion, and depending on the time of day or in an emergency, each intrusion prevention rod 2 is rotated approximately horizontally to its retracted position shown by the imaginary line, and the support rod 1 is connected to one road edge. This allows vehicles to pass between them. Also, due to the relationship between the road width dimension and the length dimension of the intrusion prevention rod 2, the road surface G
If installing the only vehicle intrusion prevention fence A on the road surface cannot reliably prevent vehicle intrusion, for example, as shown in Fig. 4, a pair of vehicle intrusion prevention fences A are installed on the road surface G. A space for pedestrians, bicycles, etc. may be secured between the tips of each intrusion prevention rod 2.

Although FIGS. 3 and 4 show the case where the intrusion prevention rod 2 projects horizontally from the upper end of the support rod 1, the invention is not limited to this. The intrusion prevention rod 2 may be shaped like a substantially rectangular frame.
The intrusion prevention rod 2 may have any shape as long as it protrudes to at least one side from the support rod 1 and blocks a part of the roadway when installed on the road surface G and becomes an obstruction to vehicle traffic. It's okay. Further, as shown in FIG. 5, for example, the intrusion prevention rod 2 can be formed to be expandable and contractible in the longitudinal direction by an outer rod 2a and an inner rod 2b provided within the outer rod 2a. It may be possible to accommodate various road widths.

As described above, the present invention has a support rod that is installed upright on the road surface, and a support rod that is horizontally rotatably attached to the support rod and rotates between a use position that prevents vehicles from entering and a storage position that allows vehicles to pass. Since the vehicle intrusion prevention fence is composed of movable intrusion prevention rods, it can be installed at park entrances, entrances from public roads to private roads, parking entrances, etc., and the intrusion prevention rods are usually placed at the position where they are used to prevent vehicles from entering. In addition to preventing unauthorized intrusion, depending on the time of day or in case of an emergency, the intrusion prevention rod can be rotated to the stored position to allow vehicles to pass, and also takes into consideration the road width at the installation location. It can be used alone or in pairs, and it can also be used in combination of two or more vehicle intrusion prevention fences of various shapes, so its versatility is extremely wide and it can be manufactured at low cost through mass production. . Furthermore, since the support rod is fixed to the road surface and the intrusion prevention rod is rotatably attached to the support rod, there is less risk of it being stolen or left on the roadside, and installation is easy. Therefore, the operation of the intrusion prevention rod is easy, and there are no various problems found in conventional vehicle intrusion prevention fences.

Furthermore, since the support rod is erected at an appropriate height above the road surface, and the intrusion prevention rod is supported at its upper end, sand, pebbles, etc. can get stuck in the bearing of the support rod. The intrusion prevention rod never becomes unable to rotate, and can be used for a long period of time. Since it is fixed in the use position and the storage position by engaging with it, the structure is simple and it can be manufactured at low cost.

[Brief explanation of the drawing]

FIG. 1 is a front view of a rotating retractable vehicle intrusion prevention fence according to a first embodiment of the present invention, FIG. 2 is a partial sectional view showing a part of FIG. 1, and FIGS. FIG. 5 is a perspective explanatory view showing an installation example of the vehicle intrusion prevention fence according to the embodiment, and FIG. 5 is a partial sectional view showing an example in which the intrusion prevention rod is formed to be extendable and contractible. A... Vehicle intrusion prevention fence, G... Road surface, 1... Support rod, 2... Intrusion prevention rod, 3... Bearing part, 7...
Locked part, 8...Locked part.

Claims (1)

[Scope of Claims] 1. A support rod having a bearing portion opened upward and a locking portion formed at the upper end thereof is erected at an appropriate height above the road surface, and the bearing portion of this support rod is rotated. The intrusion prevention rod is horizontally rotatably supported around the central axis of the support rod by inserting a shaft, and the locking part of the support rod is engaged by the own weight of the intrusion prevention rod in the use position and storage position. A rotary retractable type, characterized in that a locked part is formed to fit together, and the engagement between the locked part of the support rod and the locked part of the intrusion prevention rod is released by moving the intrusion prevention rod upward. Vehicle intrusion prevention fence.