JPS6035485B2 - Vehicle intrusion prevention fence - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a vehicle intrusion prevention shelf that stands up on the road surface when in use to prevent vehicles from passing, and also collapses depending on the time of day or in an emergency to allow vehicles to pass. be.

The lower end of the shelf leg is rotatably connected to a bracket fixed to the road surface, and a stopper provided at this connection part allows the shelf leg to stand up on the road surface, and depending on the time of day or in an emergency, the stopper can be released to A folding type vehicle intrusion prevention shelf in which the fence legs are folded down on the road surface is already known (Jitsukki Publication No. 48-69239).

However, in the case where the shelf leg is raised up on the road surface using a stopper, a large moment is applied to the stopper when a strong force is applied to the shelf leg when the shelf leg is erected. This had the disadvantage that the stopper was damaged.

The present invention has been made to address these drawbacks.
The purpose is to provide a vehicle intrusion prevention shelf with high installation strength. Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 to 4 show an embodiment of the vehicle intrusion prevention shelf A of the present invention, which includes two fence legs la and lb connected in an inverted V-shape when viewed from the side, and one of the above shelf legs. The fixing bracket B is composed of a fixing bracket 2a to which the lower end of the shelf leg lb is rotatably connected and fixed, and a support bracket 2b which detachably supports the lower end of the other shelf leg lb, which are connected by a connecting member 3. .

The fixed bracket 2a and the support bracket 2b are entirely made of heavy material such as casting, and the upper wall 7 is located between the pair of substantially pentagonal side walls 6 at the substantially center and lower end thereof. and the lower wall 8, which are integrally connected to each other.

Further, in a portion above the upper wall 7, the upper portions of the side walls 6 face each other, and the lower ends of the shelf chests la, lb are connected therebetween, and a connecting portion 4a protrudes upward from the ground surface. 4b is formed, and a rectangular insertion hole 9 is formed in the lower part of the upper wall 7 by the side walls 6, 6, the upper wall 7 and the lower wall 8, and the above-mentioned insertion hole 9 is formed in the insertion hole 9. Troop branches 5a, 5 in which the connecting member 3 is fitted with iron so that it can slide in its length direction.
Further, bolt insertion holes 10 are formed in each lower wall 8 forming each of the above-mentioned general branches 5a and 5b, and the bolt insertion holes 10 are cut out from the closed edge at one end and closed. on the other hand,
The connecting member 3 is a channel member having a substantially U-shaped cross section and is formed to a predetermined length, and its width is equal to the width between the inner surfaces of both side walls 6, 6 of the fixed bracket 2a and the support bracket 2b. The dimensions are approximately equal to or slightly smaller than this, and the ends of the connecting member 3 are connected to both brackets 2a, 2.
When inserted into the insertion holes 9 formed in the corps branches 5a and 5b of b, the outer surface of the connecting member 3 is slidably contacted with the inner surface of the insertion holes 9 of the respective corps branches 5a and 5b. It has become.

Further, bolt insertion holes 11 are formed at the bottom of both ends of this connecting member 3 and are cut out and closed in the same manner as those formed in the lower wall 8 of the above-mentioned squad branches 5a and 5b.
After inserting both ends of the bolts into the bolt holes 5a and 5b, respectively, bolts and nuts 12, which are fixing means, are inserted into the bolt insertion holes 10 and 1.
By inserting it into the bracket 1 and tightening it, both brackets 2
The distance d between a and 2b is regulated. The lower end of the bolt nut 12 is bent so that it can be used as an anchor.

In the fixed odor B configured as above, the shaft 13 is inserted through the connecting part 4a of the fixed bracket 2a, and the inner surface of the connecting part 4b of the support bracket 2b has an upwardly opened competing shaft. A groove 14 is formed in which the lower end of one shelf leg la is rotatably connected and fixed to the fixing bracket 2a by the ball 13, and supports the support projection 15 attached to the lower end of the other shelf leg lb. By locking the bracket to the crotch joint 14 of the bracket 2b, the other shelf leg lb
The lower end of is removably connected to the support bracket 2b.

On the other hand, as shown in FIGS. 5 and 6, the upper ends of the two shelf legs la and lb are pivotally connected by a shaft 16, and the lower end of the other shelf leg lb is engaged with the support bracket 2b. In the stopped state, the two shelf legs la, lb stand up in an inverted V-shape when viewed from the side, and the lower end of the other shelf leg lb is disengaged from the support bracket 2b, and both the shelf legs la, lb By extending it in a straight line, it can be laid down on the road surface.

In this embodiment, the connecting parts of the upper ends of the two shelf legs la and lb are an outer cover 17 whose outer side is fixed to the shaft 16 and an inner cover 18 which is rotatably supported by the shaft 16. covered by.

In FIGS. 5 and 6, 19 is a long hole formed in the inner cover 18, a pin protruding from the upper end of one of the two shelf legs la is inserted into the long hole 19, and 21 is a long hole formed in the outer cover 18. 1
7 is a stopper provided, 22 is this stopper 21
This is a locking piece that prevents the inner cover 18 from rotating too much when it comes into contact with the notch 2 provided in the outer cover 17 when in use.
3 prevents the inner cover 18 from opening due to excessive rotation.

Next, to explain how to install the vehicle intrusion prevention shelf A according to this embodiment, first, the iron branch 5 of the support bracket 2b
Insert one end of the connecting member 3 into the insertion hole 9 of b, and insert the iron branch 5b.
A bolt/nut 12 is inserted from the side into the bolt insertion holes 10, 11 provided in one end of the connecting member 3, and is tightened with a nut to fix the space between the two, and then the end of the connecting member 3 is fixed with a fixing placket. Insert an iron into the insertion hole 9 of the saddle branch 5a of 2a, insert the bolt and nut 12 from the side into the bolt insertion holes 10 and 11 provided in the iron branch 5a and the end of the connecting member 3, and tighten with a nut to connect. The fixed bracket B is assembled by regulating the dimensions between the fixed bracket 2a and the support bracket 2b by the material 3, and the fixed bracket B is further equipped with an iron support protrusion 1.
Support bracket 2 supports the lower end of shelf leg lb on which 5 is attached.
By this, the vehicle intrusion prevention shelf A is assembled in the same manner as in the usage condition shown in FIG. The vehicle intrusion prevention shelf A is installed on the road surface by burying the fixture B in the ground using the index groove 43 as a mark so that only the connecting portions 4a and 4b are exposed above the ground.

7 and 8 show a modification of the fixing device B of the vehicle intrusion prevention shelf A of the present invention, in which rectangular iron supports 5a and 5b are provided at the lower part of the fixing bracket 2a and the support bracket 2b.
The connecting member 3, which is formed of a hollow square pipe with a rectangular cross section, has the above-mentioned branch branches 5a on the upper wall of both ends thereof.
, 5b are provided, and iron branches 5a, 5b are inserted into the troop insertion holes 24 on both end sides of the corps branches 5a, 5b and the connecting member 3. Bolt insertion holes 10 and 11 are provided in the lower wall of the connecting member 3 for fixing with bolts and nuts 12 having the same axis as each other when Z-joined. This is a Z type in which a slit opening □26 for attaching an anchor 25 is formed throughout.

Moreover, the fixed odor B shown in FIG.
An iron protrusion 28 is protruded from one side of the bride branches 5a and 5b, and the connecting member 3 is formed of a rectangular pipe with openings at both ends. Bring in the joining protrusion 28 and connect both brackets 2a, 2b and the connecting member 3.
The two are connected to each other by inserting a bolt 27, which is a fixing means, through the elongated bolt insertion hole 11 made in the upper wall of the connecting member 3, and securing it with a nut. This is done by The fixed odor B according to the above modification has both brackets 2a as in the first embodiment.
, 2b to the connecting member 3, the distance d between both brackets 2a, 2b and both brackets 2a, 2b are fixed.
direction is precisely regulated. Figures 10 to 12 show a fixture B for a vehicle intrusion prevention shelf A according to the present invention.
Still other variations are shown.

According to the fixture B according to this modification, a large number of bolt insertion holes 11 are bored at a predetermined interval from each other in the lower wall of the connecting member 3 formed of a channel material, and the connecting member 3 Fixed bracket 2a having an insertion hole 9 into which is inserted
One bolt insertion hole 10 is bored in the lower wall 8 of the bale branches 5a, 5b of the support bracket 2b, and the connecting member 3
Bolt insertion hole 11 on either side and fixing bracket 2a
and the bolt insertion hole 10 on the support bracket 2b side, and are connected and fixed by adjusting the interval dimension d between the fixing bracket 2a and the support bracket 2b using bolts and nuts 12, which are fixing means. The anchor 25 is attached using the bolt insertion hole 11.

Therefore, according to this modification, the distance d between the fixed bracket 2a and the support bracket 2b can be adjusted by the connecting member 3, and as shown in FIGS. If it is necessary to change the installation posture of the prevention shelf A, this can be accommodated.
Furthermore, it is possible to obtain different types of vehicle intrusion prevention shelves A having different distances between the lower ends of the adjacent fences la and lb, that is, distances d between the fixed brackets 2a and the support brackets 2b. 13 and 14 show yet another modification of the fixture B. Fixture B of this modification is:
It is fixed on the road surface by an anchor 25, and a connecting member 3 made of a relatively thick flat plate is attached to the joints 5a and 5b formed at the lower part of the fixing bracket 2a and the support bracket 2b. A concave portion 33 closed on one side is formed so that the end portion can be pushed in and covered from above, and the fixing between the brackets 2a, 2b and the connecting member 3 is as follows. Bolt insertion holes 101 are drilled in the upper walls of the iron supports 5a and 5b on both sides of the connecting parts 4a and 4b.
This is done by inserting a bolt nut 34, which is a fixing means, through a bolt insertion hole 11 formed on the side of the connecting member 3 and fixing the connection, and fixing between the connecting member 3 and the road surface. A fixing bolt 36 passing through the connecting member 3 is hinged to a cylindrical anchor 25 driven into a concrete portion 35 of the road surface.

In addition, FIG. 15 shows a modified example of the anchor 25 in the modified example described above, and a hole 37 is drilled in the road surface during installation work, and the anchor 25 is inserted into the hole 37. The anchor 25 is of the type fixed with mortar 38 or the like, and the anchor 25 shown in FIG. 15 is formed into a bifurcated shape with an outward flange portion at the lower end, and the anchor 25 shown in FIG.
5 is formed in a bifurcated shape with an inward flange portion at the lower end, and the anchor 25 shown in FIG. This is particularly useful when fixing the vehicle intrusion prevention shelf A to a road surface that does not have a concrete part. Furthermore, in another modification of the fixture B shown in FIG.
．． The support brackets 5a, 5b of the support brackets 2a and 2b are formed in the shape of flat plates projecting to the left and right of the connecting portions 4a, 4b, and the connecting members 3 extend along both sides of the support brackets 5a, 5b.
In addition to being formed of a plate material having a protrusion 39 with a height equal to the plate thickness of the connecting member 3, the connecting member 3 has an open rod 4 through which the connecting portions 4a, 4b of the brackets 2a, 2b are inserted.
0 is opened, and bolt insertion holes 10 and 11 are bored on both sides of the opening 40 of each troop branch 5a and 5b and the connecting member 3, respectively, and the connecting part of both brackets 2a and 2b is 4a, 4b are inserted into the opening □40 of the connecting member 3 from below, and the fixing bolt 36, which also serves as a fixing means between both the plackets 2a, 2b and the connecting member 3, is inserted into the bolt insertion hole 10, 1.
Both brackets 2
Fixing between a, 2b and the connecting member 3 and fixing to the road surface are performed simultaneously.

As is clear from the above description, according to the vehicle intrusion prevention shelf according to the present invention, the lower end of one of the two shelf legs which are rotatably connected to each other at the upper end is rotated around the fixed bracket. While movably connecting and fixing, the lower end of the other shelf chest is removably locked to a support bracket, thereby making the two shelf legs stand up in an inverted V-shape when viewed from the side, thereby blocking the passage of vehicles. Therefore, when the vehicle intrusion prevention shelf is erected, a truss structure is formed by the two shelf legs and the fixed odor.

Therefore, even if a large force is applied to the shelf legs when the vehicle intrusion prevention shelf is erected, bending stress or the like will not be concentrated on one location, and the overall strength can be improved.
Furthermore, since the fixed bracket and the supporting bracket are connected by a connecting member, the fixed bracket and the supporting bracket are installed on the road surface after setting the distance between the fixed bracket and the supporting bracket to a predetermined dimension in advance and assembling them. be able to. Therefore, the dimensional accuracy during installation can be improved.

[Brief explanation of the drawing]

FIG. 1 is a side view of a vehicle intrusion prevention shelf according to an embodiment of the present invention in a state of use, FIG. 2 is a front view of FIG. 1, FIG. 3 is an exploded view of FIG. 1, and FIG. FIG. 1 is a side view showing the vehicle intrusion prevention shelf folded into its storage position; FIGS. FIG. 7 is a sectional view showing an installation device according to a modification of the first embodiment; FIG. 8 is a perspective view of FIG. 7; FIG. is a perspective view showing a modified example of the fixing device, FIG. 10 is a perspective view showing another modified example of the fixing device, and FIGS. 11 and 12 are vehicle intrusion prevention installed by the fixing device shown in FIG. FIG. 13 is a sectional view showing another modification of the fixture, FIG. 14 is a perspective view of the installation device shown in FIG. 13, and FIG. 15 is the same as shown in FIG. 13. 16 and 17 are perspective views showing other modified examples of the fixing device anchor shown in FIG. 13, and FIG. 18 is a cross-sectional view showing a modification of the fixed odor anchor. It is a perspective view showing a modification. A...Vehicle intrusion prevention shelf, B...Fixed odor, la, lb...Plumbing leg, 2a, 2b...
・Plucket, 3... Connecting material, 4a, 4b...
...Connection section, 5a, 5b... Tsuzumi branch. Figure 4 Figure 1- Figure 2 Figure 3 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 Figure 16 Figure 17 Figure 15 Figure 18

Claims (1)

[Scope of Claims] 1. Two fence legs pivotally connected to each other at their upper ends, a fixed bracket rotatably connecting the lower end of one of the fence legs, and the other fence leg. It consists of a support bracket that removably supports the lower end of the fence and stands up in an inverted V-shape when viewed from the side with the two fence legs, and a connecting member that connects these fixed brackets and the support bracket. A vehicle intrusion prevention fence characterized in that the two fence legs are lowered onto the road surface by disengaging the lower ends of the fence legs from the support bracket. 2. The vehicle intrusion prevention fence according to claim 1, wherein the connecting member, the fixed bracket, and the support bracket are connected so as to be slidable in the longitudinal direction of the connecting member.