JP3021988B2 - Safety fence - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a safety fence.

[0002]

2. Description of the Related Art Hitherto, the following types of safety fences have been known. That is, two columns provided at a predetermined interval, a pair of upper and lower horizontal bars connecting the columns in the horizontal direction, and a plurality of fence bars connecting the horizontal bars in the vertical direction are mutually connected. It is a safety fence integrated by welding.

[0003]

[Defects of conventional safety fences] Conventional safety fences have the following disadvantages. That is, the welding work and post-welding treatment (surface finish and distortion removal) at the time of production were troublesome, and the appearance as a product was poor.

[0004]

The present invention employs the following means to solve the above-mentioned drawbacks. The invention
Are two columns provided at a predetermined interval, and
And a fence body to be bridged between the fence rods.
A pair of upper and lower horizontal frame members having insertion holes at predetermined intervals,
A U-shaped cross section that is slidably fitted to the outside of the horizontal frame material
Both ends are inserted into the decorative frame and the insertion holes for the fence bars of the upper and lower horizontal frame members
And the ends of the upper and lower horizontal makeup frames
A pair of right and left vertical frame members, and
A T-shaped groove is formed in the direction, and the upper groove is formed in the T-shaped groove.
The main body of the attachment is fitted, and the main body of the upper mounting
The locking piece provided at the upper end touches the upper end of the support and
The mounting bracket is positioned, and the upper mounting bracket
The receiving piece provided at the lower end of the main body
The upper edge of the engaged hole is engaged, and the vertical frame material is hung on the receiving piece.
Is what is being done.

[0005]

The present invention has the following functions. A horizontal decorative frame is slidably fitted to each of the upper and lower horizontal frame members from one end in the longitudinal direction to the other end. Then, one end of each of the plurality of fence bars is inserted into each fence bar insertion hole of one of the fence bars, and then the other end of each fence bar is inserted into each of the other fence bars. The fence bar insertion hole is fitted so that it has a ladder shape as a whole. Next, the fence body is assembled by connecting both sides of the upper and lower horizontal decorative frames to each other with left and right vertical frame members. The assembly of the safety fence is completed by bridging the fence body assembled in this way between two columns at a site or the like.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to embodiments shown in the drawings. In this specification, “front” means the front side of FIG. 1, “rear” means the back side, “left” means the left side of FIG. 1, and “right” means the right side of FIG. As shown in FIG. 1, it has two columns 1, 1 provided at predetermined intervals on the left and right, and a fence body 2 bridged between the columns 1.

First, the fence main body 2 will be described. As shown in FIG. 2, the fence body 2 includes a plurality of fence bars 3, 3,..., A pair of upper and lower horizontal frame members 4, 4 fitted to upper and lower ends of the fence bars 3, and these horizontal frames. It has a pair of upper and lower horizontal decorative frames 6 and 6 placed on the outside of the members 4 and 4, and a pair of left and right vertical frame members 9 and 9 (see FIG. 1) for connecting the horizontal decorative frames 6 at predetermined vertical intervals. ing.

The horizontal frame member 4 is in the shape of a long and narrow strip, and is arranged at a predetermined interval along its longitudinal direction.
A plurality of penetration holes 5 for fence bars 3 are formed to penetrate vertically. Each insertion hole 5 has an inside diameter that allows the fence bar 3 to be fitted without rattling.

The vertical frame member 9 has horizontal bent plates 10 at both upper and lower ends thereof.
Is formed with a screw insertion hole 11 penetrating vertically. Bolts 23 are inserted into these screw insertion holes 11, and the bolts 23 allow the nut plate 15 having the screw holes 16 to be attached in parallel with the bent plate portion 10. The vertical frame member 9 has an engagement hole 13 used for temporary holding to a later-described mounting bracket 25 (see FIG. 1) at the time of mounting to the column 1,
A screw insertion hole 12 used for screwing to the mounting brackets 25 and 26 is formed.

The horizontal decorative frame 6 is a strip having a U-shaped cross section, and is formed by extrusion or drawing using a material such as aluminum. A plurality of ribs 21 are provided on the inner surface of the horizontal decorative frame 6 so as to protrude forward and backward along the longitudinal direction. As shown in FIGS. 3 and 4, there are a total of four horizontal gaps formed by the ribs 21 forming a pair before and after each other in the vertical direction. Regarding these gaps, regarding the horizontal decorative frame 6 which is arranged on the upper side, the gap positioned at the uppermost position includes the nut plate 1 described above.
5 is held between the upper and lower sides, and in the gap one below,
The bent plate portion 10 of the vertical frame member 9 is held, and a further lower gap is a space for allowing the bolt head of the bolt 23, and the above-described horizontal frame member 4 and the like are located in the lowermost gap. It is designed to be held vertically. In the horizontal decorative frame 6, a gap formed between the protruding edges of the front and rear ribs 21 is a horizontal slit portion 7 for escaping interference with the fence bar 3 held by the horizontal frame member 4. ing. It is needless to say that if the horizontal decorative frame 6 is turned upside down, it can be used as a lower arrangement.

When the bolt 23 screwed into the nut plate 15 is tightened through the bent plate portion 10 of the vertical frame member 9, the bent plate portion 10 and the nut plate 15 sandwich the rib 21 therebetween. To be attached, upper and lower horizontal makeup frames 6, 6 and left
The right vertical frame members 9 and 9 can be connected in a frame shape.
As a result, the mutual interval between the upper and lower horizontal decorative frames 6, 6 and the mutual interval between the upper and lower horizontal frame members 4, 4 are fixed, so that the fence bar 3 comes off from these horizontal frame members 4, 4. There is no. Also,
At both ends of the horizontal decorative frame 6, the gaps where the horizontal frame members 4 are held are closed by the vertical frame members 9, so that the horizontal frame members 4 do not fall off from the horizontal decorative frames 6.

By the way, the length of the horizontal frame member 4 and the length of the horizontal decorative frame 6 should be originally the same in order to prevent the positional deviation of the both in the left-right direction. However, these lengths may be cut off depending on the circumstances of each installation site. In such a case, the end of the horizontal frame member 4 (cutting position)
In the vicinity of, the tool insertion hole must be formed by the bolt 23 for fastening the bent plate portion 10 of the vertical frame member 9 and the nut plate 15. Therefore, in order to save such trouble, the length of the horizontal frame member 4 is made shorter than that of the horizontal decorative frame 6, and the end adjustment plate 19 corresponding to half of the shortened length is attached to the horizontal frame member 4. Are arranged at both ends. A tool insertion hole 20 is formed in these end adjustment plates 19 so as to penetrate up and down corresponding to the positioning of the bolts 23.

Next, the support 1 will be described. As shown in FIG. 5, the column 1 is a square member having stepped grooves 35 on four sides so that the plane shape becomes an X-shape, and is formed by extrusion or drawing using aluminum or the like as a material. I have. The step-like groove 35 has opposed ribs 36, 36.
The outer side is a front side step portion 37 and the inner side is a middle side step portion 38. Among them, the front side step portion 37 is for fitting the vertical frame member 9 (see FIG. 1) of the fence main body 2, and the middle side step portion 38 is for various mounting tools (mounting fittings and bolts) described later. It is for storing such as. Further, through-holes 34 are formed at the four corners of the plane portion of the support column 1 so as to penetrate along the longitudinal direction. As shown in FIG. 1, upper and lower mounting brackets 25 and 26 used for coupling to the fence main body 2 are held on the support column 1 by using the stepped groove 35, and an anchor ( A nail member 27 for driving is externally fitted and fixed with screws, and a lid member 29 is fitted to the upper end portion using the through hole 34.

As shown in FIG. 7 and FIG.
Is provided with a locking piece 31 at the upper end of the main body toward the column 1 and a narrow receiving piece 32 at the lower end toward the opposite side (the fence main body 2 side). A female screw portion 33 is provided at a substantially central portion in the vertical direction so as to project toward the column 1 by burring. This mounting bracket 25
Is the widest part of the middle step 38 of the support 1 (T-shaped
The main body is slidably fitted into the groove (see FIG. 5), and the receiving piece 32 is supported by the support 1 from between the opposed protruding ribs 36, 36.
It is used to protrude outside. The mounting bracket 26
Are also L-shaped except that the entire mounting bracket 2 has an L-shape.
5, a female screw portion 40 formed by burring is provided near the upper end portion of the main body, and the main body is slidably fitted to the widest part of the middle step 38 of the column 1, From between the opposing protruding ribs 36, 36, a bent piece 39 formed on the lower side is used so as to protrude outside the column 1.

As shown in FIG. 6, dowel legs 30 fitted into the through holes 34 of the column 1 are projected downward at four corners of the lid member 29. As shown in FIG. The rear surface of the lid member 29 is formed in a concave shape except for the outer peripheral edge to escape the locking piece 31 of the mounting bracket 25 (see FIG. 8).

[0016]

The most general example of the assembling procedure will be described. In FIG. 1, the attachment of the shoe member 27 and the like with respect to the column 1 and the assembling of the fence body 2 are each performed before shipment from the factory, and only the assembly of these two is performed at the installation site.

To assemble the fence body 2, as shown in FIG.
First, the horizontal decorative frames 6, 6 are slidably fitted to the upper and lower horizontal frame members 4, 4 from one end in the longitudinal direction to the other end (see FIGS. 3 and 4). Next, the fence bar 3 is inserted into each of the insertion holes 5 with respect to the upper or lower horizontal frame member 4,
The end of the fence bar 3 is brought into contact with the inner bottom surface of the horizontal decorative frame 6. When all the fence bars 3 have been fitted, the respective through holes 5 of the other horizontal frame member 4 are fitted into the other end portions of these fence bars 3. As a result, a ladder shape is obtained as a whole. Then, the end adjustment plate 19 is also slidably inserted into the horizontal decorative frames 6 and 6 so as to abut on both ends of the horizontal frame members 4 and 4.

Predetermined portions (ribs 21) at the ends of the horizontal decorative frames 6, 6
Between the bent plates 10 and the nut plates 15 of the vertical frame members 9, 9, and tighten them with the bolts 23. Thereby, the assembly of the fence main body 2 is completed.

On the other hand, as shown in FIG. 1, a shoe member 27 is fitted to the lower end of the column 1 and fixed with screws or the like. In this case, a nut member (not shown) may be inserted into the middle step 38 (see FIG. 5) of the stepped groove 35 as a screw receiver.

After the fence main body 2 and the column 1 assembled in this manner are brought to the installation site, first, the column 1 in the standing position is mounted on the mounting opening through the upper opening of the step-shaped groove 35. 26 and 25 are fitted and held in the T-shaped grooves . As shown in FIG. 8, the lower mounting bracket 26 is positioned in contact with the upper end of the shoe member 27, and the upper mounting bracket 25 has its locking piece 31 hooked on the upper end of the column 1. Is positioned. Then, the engaging piece 13 (see FIG. 2) of the fence main body 2 (vertical frame material 9) is passed through the receiving piece 32 of the mounting bracket 25 arranged on the upper side, and the upper edge of the opening is hooked. Naturally comes to rest on the bent piece 39 of the lower mounting bracket 26. This is also performed on the other column 1 on the other end side of the fence main body 2 so as to be in a temporary bridging state, and the female screw portion 33 of the mounting bracket 25 arranged above and the female screw portion of the mounting bracket 26 arranged below. 40, screw insertion hole 12 of fence body 2 (vertical frame material 9)
The bolt 43 is screwed in from the side. Thereafter, if the lid member 29 is fitted to the upper end of each column 1 and the anchor member 27 is fixed to the anchor, the assembly of the safety fence is completed.

In the horizontal decorative frame 6 and the like, there are many types having different lengths (200 mm to 50 mm at a pitch of 50 mm).
(Up to 00 mm), and by selectively combining them, it is possible to produce an enclosure that is perfect for the unique circumstances of each site. In addition, since the strut 1 has stepped grooves 35 (see FIG. 5) formed on four sides thereof, by changing the coupling direction with the fence main body 2,
This support 1 can be used for a corner portion of an enclosure. By cutting the lower end of the support 1 along the lower surface of the fence main body 2 and shortening the fence main body 2 in the left-right direction, a door as a safety fence can be assembled. In this case, the column 1 cut as described above is swingably attached to another column 1 erected by the shoe member 27 or the like with a hinge (not shown). When the hinge is attached to the column 1, the step-like groove 35 is used.

[0022]

According to the present invention, the following effects can be obtained by the above-described configuration. Since each member can be connected by screwing work, welding work becomes unnecessary, and as a result, assembling becomes easy and appearance is improved. Also, a T-shape is provided on the support column in the vertical direction.
A groove is formed, and the body of the upper mounting bracket is inserted into this T-shaped groove.
Fitted on the upper end of the body of the upper mounting bracket
Position of the upper mounting bracket when the locking piece
The lower end of the body of the upper mounting bracket
Upper edge of the engagement hole formed in the vertical frame material in the receiving piece provided in
Since the part is engaged and the vertical frame material is hung on the receiving piece,
Easy mounting of the upper mounting bracket to the support
And mounting the fence body to the upper mounting bracket
Injury can be easily performed.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing an embodiment of the present invention.

FIG. 2 is an exploded perspective view showing a main part of the fence main body in an enlarged manner.

FIG. 3 is an enlarged sectional view taken along line III-III of FIG. 1;

FIG. 4 is an enlarged sectional view taken along the line IV-IV of FIG. 1;

FIG. 5 is an enlarged plan view of a column.

FIG. 6 is an enlarged bottom view of the lid member.

FIG. 7 is a partially cutaway perspective view showing an enlarged upper mounting bracket for the fence main body.

FIG. 8 is a diagram for explaining a procedure for mounting the fence main body and the support.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Prop 2 Fence main body 3 Fence bar 4 Horizontal frame material 5 Insertion hole 6 Horizontal decorative frame 7 Horizontal slit part 9 Vertical frame material

Claims (1)

(57) [Claims] 1. A pair of upper and lower horizontal frames having two pillars provided at a predetermined interval and a fence main body bridged between the support posts, the fence main body having fence bar insertion holes at a predetermined interval. and wood, and the lateral decorative frame outside the sliding fitted U-shaped cross section of the transverse frame members, and a plurality of fence bars fitting the two ends to each fence rod for inserting hole of the upper and lower horizontal frame members, the upper and lower horizontal decorative frame connecting both end portions of a pair of left and right vertical frame members, said strut
A T-shaped groove is formed in the vertical direction in the T-shaped groove.
The body of the upper mounting bracket is fitted into the upper mounting bracket.
The locking piece provided at the upper end of the main body
The upper mounting bracket is positioned,
A vertical frame is attached to the receiving piece provided at the lower end of the main body of the mounting bracket.
The upper edge of the engaging hole formed in the material is engaged and
A safety fence where the frame is suspended .