JPH0745729Y2 - Fence and its vertical grid tube - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a fence including a metal fence, a handrail, a guard pipe, and the like.

<Prior Art> Conventional fences are disclosed, for example, in Japanese Utility Model Application Laid-Open No. 64-50563.
As shown in FIGS. 10 to 13, two vertical cylinders each having two true circular wedge holes 34a are provided at the upper and lower ends of the square tube-shaped lattice main body 33, the right and left ends of the horizontal tube D1 and the lower horizontal tube D2. The piece 34 and the horizontal tongue piece 39 with two true circular wedge holes 39a are integrally formed. These are the upper horizontal cylinder D1 and the lower horizontal cylinder D2.
It was press-fitted and connected to a square column 37 with a horizontal wedge 36 and a vertical wedge 35, which had the same shape as the wedge hole.

<Problems to be solved by the invention> However, with the above-described conventional structure, although there is no problem when the fence is constructed on a horizontal ground, when the fence is constructed on a sloping ground, the vertical cylindrical piece 34 (or the horizontal tongue Since it is not possible to bend the piece 39) based on the two wedge holes corresponding to the angle of the sloping ground (shown in phantom lines in Fig. 11 and 13), it is necessary to change the bending angle in advance at the factory. There was a drawback that I had to prepare several kinds.

Then, this invention aims at provision of the fence which can respond to all the angles of a sloped land steplessly, and can perform a sloped land construction quickly.

<Means for Solving the Problems> The means for solving the problems according to the present invention is, as shown in FIGS. 1 to 6, an upper horizontal cylinder A1 and a lower horizontal cylinder A2, a lower surface of the upper horizontal cylinder A1 and an upper surface of the lower horizontal cylinder A2. A plurality of fitting holes 2 formed at regular intervals in the left-right direction,
Upper and lower end portions 3 are inserted into the upper horizontal cylinder A1 and the lower horizontal cylinder A2 through the fitting hole 2.
A vertical lattice tube 3 into which A and 3B are fitted, and a first wedge hole 4a and a second wedge hole 4b which are formed in the upper and lower end portions 3A and 3B of the vertical lattice tube 3 so as to face each other in the left-right direction, It has a lateral wedge 5 penetrating the first wedge hole 4a and the second wedge hole 4b.

The upper and lower ends 3 and 3b of the vertical lattice tube 3 are brought into contact with the inner surface of the upper horizontal cylinder A1 and the inner surface of the lower horizontal cylinder A2, respectively, and the first wedge hole 4a is a hole having substantially the same diameter as the horizontal wedge 5. The second wedge hole 4b is a hole having a dimension C which is longer than the first wedge hole 4a only in the vertical direction, and the fitting hole 2 is formed in the upper horizontal cylinder A1 and the lower horizontal cylinder A2. Is
It is a long hole having a dimension E (the dimension in the front-rear direction is the same) that is longer than the outer shape D of the vertical lattice tube 3 in the left-right direction only in the left-right direction.

<Operation> In the above means for solving problems, when constructing a fence on a sloping ground, the vertical lattice tube 3 and the upper horizontal cylinder A that are preassembled are assembled.
1. The assembly with the lower horizontal cylinder A2 is deformed by hand or with an appropriate tool so that the vertical lattice tube 3 holds the vertical and the upper horizontal cylinder A1 and the lower horizontal cylinder A2 match the angle corresponding to the sloping ground. The inner surfaces of the upper horizontal cylinder A1 and the lower horizontal cylinder A2 are brought into contact with the upper and lower ends 3a, 3b of the vertical lattice tube 3 together with (the procedure for deforming the parallelogram link).

At this time, since the upper horizontal cylinder A1 and the lower horizontal cylinder A2 are inclined and the upper and lower ends 3a and 3b of the vertical lattice tube 3 are in contact with the upper horizontal cylinder A1 and the lower horizontal cylinder A2, the horizontal wedge 5 and the upper horizontal cylinder A slight gap G (about 2 to 3 mm) is generated between the upper surface of the bottom wall 6a of the concave groove 6 of the cylinder A1 (Fig. 6) and between the horizontal wedge 5 and the inner surface of the upper wall of the lower horizontal cylinder A2. But upper horizontal cylinder A1
Since the lower horizontal cylinder A2 is fixed to the column 1 while being in contact with the vertical lattice tube 3, the fence does not rattle against external force in the vertical direction and the front-back direction.

<Embodiment> An embodiment of the fence of the present invention will be described below with reference to the drawings.

First, the stainless steel fence of the first embodiment whose tilt angle can be adjusted from 0 to 15 degrees will be described with reference to FIGS.
Cylinder (or square tube) attached to (or block, etc.)
An upper manufacturing horizontal cylinder A1 and a lower horizontal cylinder A2, a plurality of rectangular (or circular) fitting holes 2 formed in the lower surface of the upper horizontal cylinder A1 and the upper surface of the lower horizontal cylinder A2 at regular intervals in the left-right direction, and the fitting. A vertical lattice tube 3 made of a rectangular tube (or a circular tube) in which upper and lower end portions 3A and 3B are fitted into the upper horizontal cylinder A1 and the lower horizontal cylinder A2 through the hole 2, and the upper and lower end portions 3A and 3 of the vertical lattice tube 3.
A first wedge hole 4a and a second wedge hole 4b which are bored in B so as to oppose each other in the left-right direction, and a round rod-shaped horizontal shape which is press-fitted and penetrated into the first wedge hole 4a and the second wedge hole 4b. It has a wedge 5.

The upper horizontal cylinder A1 is a circular or rectangular cylinder (for example, a diameter of 50 to 60 mm, a thickness of 1.5 to 2.0 mm) having a downward groove 6 having a constant cross section (for example, depth and width of 20 to 25 mm), The lower horizontal cylinder A2 is also in the shape of a circle or a prism having an upward groove 6 of a constant cross section. The upper and lower ends 3a and 3b of the vertical lattice tube 3 are in contact with the inner surface of the upper wall of the upper horizontal cylinder A1 and the inner surface of the bottom wall of the downward groove 6 of the lower horizontal cylinder A2, respectively.

The first wedge hole 4a is a true circular hole having substantially the same diameter as the lateral wedge 5, and the second wedge hole 4b is an elliptical hole having a dimension C which is considerably longer in the vertical direction than the first wedge hole 4a. The fitting hole 2 formed in the concave groove bottom wall 6a of the upper horizontal cylinder A1 and the lower horizontal cylinder A2 is slightly longer in the left-right direction than the outer shape D of the vertical lattice tube 3 in the left-right direction. It is a long hole of dimension E.

Further, the first wedge hole 4a and the second wedge hole 4b are formed in such a manner that the horizontal wedge 5 having a middle inclination angle θ1 (about 15 degrees) from the horizontal (zero degree) can penetrate therethrough. That is, the lower ends of the first wedge hole 4a and the second wedge hole 4b are horizontal, and
Middle inclination angle θ1 (about 15 degrees) between the upper ends of 4a and the second wedge hole 4b
Is doing.

The ends of the upper horizontal cylinder A1 and the lower horizontal cylinder A2 are connected to the support column 1 via a joint F. The joint F includes a joint cylinder 7 fitted onto the ends of the upper horizontal cylinder A1 and the lower horizontal cylinder A2, and a horizontal tongue piece 9 with a wedge hole 9a that is overlapped with a recess 8a of the joint cylinder 7. And a bracket 11 having an adjusting hole 10, and a retainer 12 with a screw hole 12a that is stacked above the mounting hole 6b of the end groove 6 of the upper horizontal cylinder A1 and the lower horizontal cylinder A2.
And vertical bolts 13 for fastening them.

The lateral slit 14 of the pillar 1 is formed at the same level as the bottom wall of the recessed groove 6 in the horizontal state, the lateral tongue piece 9 is fitted in the lateral slit 14, and the pillar 1 is fitted in the wedge hole 9a of the lateral tongue piece 9. A vertical wedge 15 made of a thin round bar is press-fitted so as to contact the inner surface 1a of the wall.

Next, explaining the construction method, first, at the construction site or factory,
The vertical lattice tube 3 is fitted into the fitting holes 2 of the upper horizontal cylinder A1 and the lower horizontal cylinder A2, and the horizontal wedge 5 is press-fitted into the first wedge hole 4a and the second wedge hole 4b thereof.

Next, the struts 1 are erected at appropriate intervals on the foundation of the horizontal ground, the lateral tongues 9 of the bracket 11 are fitted into the slits 14 of the stanchions 1, and the caps are fitted to the wedge holes 9a of the lateral tongues 9. A vertical wedge 15 made of a thin round bar is press-fitted so as to come into contact with the inner surface 1a of the wall of the column 1 before being mounted.

Next, the upper horizontal cylinder A1 and the lower horizontal cylinder A2 and the joint cylinder 7 fitted to them are placed on the bracket 11, then the retainer 12 is fitted and tightened with the bolts 13.

In addition, when constructing a fence on a sloped ground, the vertical lattice tube 3, the upper horizontal cylinder A1, and the lower horizontal cylinder that are preassembled by the above method are used.
The vertical grid tube 3 holds the assembly of A2 and the vertical grid tube 3 while holding the vertical, and deforms the upper horizontal cylinder A1 and the lower horizontal cylinder A2 by hand or with an appropriate tool so as to match the angle corresponding to the sloping ground (parallelogram shape). (How to deform the link) along with the upper horizontal cylinder A1 and the lower horizontal cylinder A2
And the upper and lower ends 3a, 3b of the vertical lattice tube 3 are brought into contact with each other.

Next, the root 9b of the horizontal tongue piece 9 of the joint F is bent at an appropriate angle with an appropriate tool, and then the retainer 12, the joint cylinder 7 and the horizontal relative of the upper horizontal cylinder A1 and the lower horizontal cylinder A2 are aligned. Adjust the position and then tighten the vertical bolt 13.

At this time, since the upper horizontal cylinder A1 and the lower horizontal cylinder A2 are inclined and the upper and lower ends 3a and 3b of the vertical lattice tube 3 are in contact with the upper horizontal cylinder A1 and the lower horizontal cylinder A2, the horizontal wedge 5 and the upper horizontal cylinder A slight gap G (about 2 to 3 mm) is generated between the upper surface of the bottom wall 6a of the concave groove 6 of the cylinder A1 (Fig. 6) and between the horizontal wedge 5 and the inner surface of the upper wall of the lower horizontal cylinder A2. But upper horizontal cylinder A1
Since the lower horizontal cylinder A2 is fixed to the column 1 while being in contact with the vertical lattice tube 3, the fence does not rattle against external force in the vertical direction and the front-back direction.

Next, the fence of the second embodiment in which the inclination angle can be adjusted from 15 to 35 degrees will be described with reference to FIGS. 7 (a) and 7 (b). This is as follows in comparison with the first embodiment. Has been changed. That is, the first wedge hole 4a is an elongated hole that is slightly longer in the vertical direction than the true circle of the cross section of the horizontal wedge 5, and the second wedge hole 4b is in the vertical direction compared to the first wedge hole 4a. The fitting hole 2 formed in the concave groove bottom wall 6a of the upper horizontal cylinder A1 and the lower horizontal cylinder A2 is an elliptical hole having a considerably long dimension C only in the horizontal direction outer shape D of the vertical lattice tube 3. Then, it is a long hole having a dimension E which is slightly longer in the left-right direction.

Further, the first wedge hole 4a and the second wedge hole 4b are formed in such a manner that the horizontal wedge 5 having a medium inclination angle θ1 (about 15 degrees) to a large inclination angle θ2 (about 35 degrees) can penetrate therethrough. Has been done. That is, the lower ends of the first wedge hole 4a and the second wedge hole 4b form a middle inclination angle θ1 (about 15 degrees), and the upper ends of the first wedge hole 4a and the second wedge hole 4b form a large inclination angle θ2 (about 35 degrees).

Therefore, when constructing a fence on medium or large sloping ground, the vertical grid tube 3 should be assembled vertically with the vertical grid tube 3 and the upper horizontal tube A1 and the lower horizontal tube A2 assembled in advance by the above method. While holding the upper horizontal cylinder A1 and the lower horizontal cylinder A2 are deformed by hand or with an appropriate tool so as to match the angle corresponding to the sloping ground (how to deform the parallelogram link) and the upper horizontal cylinder.
The inner surfaces of A1 and the lower horizontal cylinder A2 are in contact with the upper and lower ends 3a, 3b of the vertical lattice tube 3.

The root 9b of the transverse tongue piece 9 of the joint F (see FIGS. 1 and 3) is bent in advance at an appropriate angle (for example, 20 degrees) at the factory. After bending, after adjusting the relative positions of the retainer 12, the connecting cylinder 7 and the upper horizontal cylinder A1 and the lower horizontal cylinder A2 in the left-right direction, the vertical bolts 13 are tightened.

Next, the fence of the third embodiment in which the tilt angle can be adjusted from 0 to 35 degrees will be described with reference to the eighth and ninth fences, which is different from the first embodiment in the following points.

That is, the first wedge hole 4a is an elongated hole that is slightly longer in the vertical direction than the true circle of the cross section of the horizontal wedge 5, and the second wedge hole 4b is vertically longer than the first wedge hole 4a. Only the direction is a long hole C having a considerably long dimension C, and the upper horizontal cylinder A1 and the lower horizontal cylinder A2 are made of square tubes having a square cross section, and the fitting holes 2 formed in these holes are cylindrical vertical lattice tubes. As compared with the outer shape D in the left-right direction, the elongated hole has a dimension E that is considerably long only in the left-right direction.

Further, the first wedge hole 4a and the second wedge hole 4b are formed in such a manner that the horizontal wedge 5 having a large inclination angle θ2 (about 35 degrees) from the horizontal can penetrate therethrough. That is, the lower ends of the first wedge hole 4a and the second wedge hole 4b are horizontal, and the upper ends of the first wedge hole 4a and the second wedge hole 4b have a large inclination angle θ2 (about 35 degrees).

Further, the ends of the upper horizontal cylinder A1 and the lower horizontal cylinder A2 are connected to the support column 1 via a joint F.
A joint cylinder 7 externally fitted to an end of the lower horizontal cylinder A2, a bracket 11 having a lateral tongue piece 9 with a wedge hole 9a and an adjusting hole 10, and this and the upper horizontal cylinder.
A spacer 16 with a hole 16a interposed between A1 and the lower surface of the end of the lower horizontal cylinder A2, a retainer 12 with a screw hole 12a overlaid on the bracket 11, and a vertical bolt 13 for fastening them.

A lateral tongue piece 9 is fitted into the lateral slit 14 of the pillar 1, and a vertical wedge 15 made of a thin round bar is press fitted into the wedge hole 9a of the lateral tongue piece 9 so as to be in contact with the wall inner surface 1a of the pillar 1. .

It should be noted that the present invention is not limited to the above embodiments, and it goes without saying that many modifications and changes can be made to the above embodiments within the scope of the present invention.

<Effect of Device> As is apparent from the above description, according to claim 1 of the present invention, when constructing a fence on a sloped ground, a vertical lattice pipe, an upper horizontal pipe, and a lower horizontal pipe that are preassembled with horizontal wedges. Deform the assembly with and by using a hand or an appropriate tool to match the upper horizontal tube and the lower horizontal tube with the angle corresponding to the sloping ground while keeping the vertical lattice tube vertical (deform the parallelogram link The inner surface of the upper horizontal cylinder and the lower horizontal cylinder and the upper and lower ends of the vertical lattice tube contact each other.

At this time, since the upper horizontal cylinder and the lower horizontal cylinder are inclined, and the upper and lower ends of the vertical lattice tube are in contact with the upper horizontal cylinder and the lower horizontal cylinder, the upper surface of the bottom wall of the concave groove of the horizontal wedge and the upper horizontal cylinder. There is a slight gap between the horizontal wedge and the inner wall of the upper wall of the lower horizontal cylinder, but since the upper horizontal cylinder and the lower horizontal cylinder are fixed to the columns and the like in contact with the vertical lattice tube. , The fence does not rattle against external force in the left / right, up / down and front / rear directions.

Further, according to claims 2 and 3 of the present invention, when only two types of vertical lattice pipes are prepared, it is possible to cope with a sloping ground of 0 to 35 degrees as compared with one type, and a fitting hole in a horizontal state. And the gap (ED) between the vertical lattice tube and the vertical lattice tube becomes small.

Furthermore, according to claim 4 of the present invention, it is possible to cope with a sloped ground of 0 to 35 degrees by preparing only one type of the vertical lattice tube 3.

That is, according to the present invention, there is an excellent effect that the fence can be quickly constructed on the sloped land corresponding to all angles of the sloped land in a stepless manner.

[Brief description of drawings]

FIG. 1 is a vertical sectional front view of a main portion of a horizontal ground fence according to a first embodiment of the present invention, FIG. 2 is a vertical sectional side view of the vertical lattice portion, and FIG. 3 is a transverse bottom view of the joint portion. Is a vertical side view of the joint, FIG. 5 (a) is a plan view of the bracket of the joint, FIG. 5 (b) is a vertical front view of the joint pipe, and FIG. 5 (c) is a bottom view of the joint pipe. , FIG. 6 is a longitudinal sectional front view of the main part of the middle sloping ground fence, FIG. 7 (a) is a vertical sectional front view of the main part of the middle sloping ground fence of the second embodiment of the present invention, and FIG. 7 (b) is the same size. 8 is a longitudinal sectional front view of a main portion of the inclined fence, FIG. 8 is a longitudinal sectional front view of a principal portion of a third embodiment of the present invention, FIG. 9 is a vertical sectional side view of the same, FIG. 10 is a front view of a conventional fence, and FIG. Vertical section of the same lattice,
FIG. 12 is a side view of the lattice part, and FIG. 13 is a vertical sectional front view of the joint part. A1: Upper horizontal cylinder, A2: Lower horizontal cylinder, 1: Strut, 2: Fitting hole, 3: Lattice tube, 3
A, 3B: upper and lower end portions, 3a, 3b: upper and lower ends, 4a: first wedge hole, 4b: second wedge hole, 5: lateral wedge, 6: downward concave groove.

Claims (4)

[Scope of utility model registration request] 1. An upper horizontal cylinder and a lower horizontal cylinder, a plurality of fitting holes formed in the lower surface of the upper horizontal cylinder and an upper surface of the lower horizontal cylinder at regular intervals in the left-right direction, and the upper horizontal cylinder and the upper horizontal cylinder through the fitting holes. A vertical lattice tube having upper and lower end portions fitted in a lower horizontal cylinder, a first wedge hole and a second wedge hole formed in the upper and lower end portions of the vertical lattice tube so as to face each other in the left-right direction, and A horizontal wedge penetrating the first wedge hole and the second wedge hole, and the upper and lower ends of the vertical lattice tube are in contact with the inner surface of the upper horizontal cylinder and the inner surface of the lower horizontal cylinder, respectively, and the first wedge hole is horizontal. The second wedge hole has a diameter substantially the same as that of the wedge, and the second wedge hole is a hole that is longer than the first wedge hole only in the vertical direction, and is formed in the upper horizontal cylinder and the lower horizontal cylinder. The fence is characterized in that the fitting hole is a long hole that is long only in the left-right direction as compared with the outer shape of the vertical lattice tube in the left-right direction. 2. The line connecting the lower ends of the first wedge hole and the second wedge hole is horizontal, and the line connecting the upper ends of the first wedge hole and the second wedge hole is about 15 degrees. A vertical lattice tube that is characterized by being provided. 3. The line connecting the lower ends of the first wedge hole and the second wedge hole is about 15 degrees, and the line connecting the upper ends of the first wedge hole and the second wedge hole is about 35. A vertical lattice tube characterized by making degrees. 4. The line connecting the lower ends of the first wedge hole and the second wedge hole according to claim 1 is horizontal, and the line connecting the upper ends of the first wedge hole and the second wedge hole is about 35 degrees. A vertical lattice tube that is characterized by being provided.