JP3193014B2 - Grating assembly for mounting slope - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gradient mounting grid assembly.

[0002]

2. Description of the Related Art Conventionally, as an assembling handrail provided in a hallway or a stairway of a building, a grid member vertically and horizontally mounted in a frame body is known. When formed in a rectangular shape, the upper frame and the lower frame are assembled with the upper end and the lower end of the vertical lattice member, and the both side frames are assembled with both ends of the horizontal lattice member. Because, relatively,
Good assembling workability.

[0003] Such an assembling handrail, when formed of, for example, an extruded aluminum alloy material, has a good appearance, is lightweight, is inexpensive, and is extremely easy to install. It is easy to remove and move, and is widely used in houses, stores, various exhibition halls and factories.

[0004]

However, in the case of handrails provided on stairs and inclined passages, in particular, if the frame is rectangular, the ends of the frame are not well accommodated, so that the stairs and passages are not inclined. It is desirable that the frame is formed so as to have an inclined quadrilateral shape in accordance with.

However, when the frame is formed in an inclined quadrilateral, the ends of the vertical grid and the horizontal grid are fixed to the upper frame and the lower frame, respectively. The fixing structure was complicated, and the assembling workability was not good.

In addition, when assembling is performed using bolts and nuts, the number of parts increases and the cost increases.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a gradient mounting grid assembly which has good workability in assembly and has a small number of parts.

[0008]

In order to achieve the above-mentioned object, a gradient assembly for assembling a gradient part according to the present invention comprises parallel upper and lower frames having left and right side frames attached to both ends of the upper and lower inclined frames. A gradient assembly for assembling a plurality of vertical lattices and horizontal lattices in a lattice shape, the end of the vertical lattice being formed by the inclined upper frame and the inclined upper frame. An end of the horizontal lattice is inserted into a second through-hole formed in the inclined upper frame and the inclined lower frame, and an end of the horizontal lattice is inserted into a first penetration hole formed in the lower frame. The horizontal lattice can be moved back and forth in a direction approaching the vertical lattice so that the latch grooves formed in the horizontal lattice mesh with the latch grooves formed in the horizontal lattice. The width is set to be larger than the width at the end of the horizontal lattice.

A locking end narrower than the width of the horizontal lattice main body is formed at an end of the horizontal lattice, and a front-rear width dimension of the second through hole formed in the inclined upper frame and the inclined lower frame. However, the width of the locking end of the horizontal lattice is set to be larger than the width of the locking end, and the inclined upper frame and the inclined lower frame restrain the movement of the locking end inserted through the second through hole. May be fixed to the upper surface of the upper inclined frame and the lower surface of the lower inclined frame.

Receiving grooves are formed in the upper surface of the inclined upper frame and the lower surface of the inclined lower frame in the longitudinal direction, respectively, and the stopper band is formed in a substantially T-shaped cross section. A fitting portion that fits into the groove in a press-fit state may be formed.

[0011]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of a grate assembly for mounting a slope according to the present invention.

FIG. 1 is a perspective view of an assembling type handrail (gradient assembly grid assembly) 1 made of an extruded aluminum alloy used for steps and the like, and FIG. 2 is a front view. The upper slant frame 3, the lower slant frame 4, and the side frames 4, 5 form a slanted parallelogram-shaped frame 6, and inside the frame 6, a plurality of vertical grids 7 are provided. And the horizontal lattices 8 are assembled in a lattice shape.

The inclined upper frame 2 is shown in FIGS. 3 to 8 and FIG.
(A) As shown in (B), it has a bottom portion 21 and side wall portions 22 and 23 erected on both sides thereof. One side wall portion 22 is formed in a flat plate shape, and the other side wall portion is formed. 23 is bent inward at an intermediate portion thereof to improve rigidity. The lower inclined frame 3 (not shown) is formed in the same shape as the upper inclined frame 2.

The bottom 21 has first through holes 24 through which the ends of the vertical lattices 7 penetrate, and second through holes 25 through which the ends of the horizontal lattices 8 lock. Are formed in the horizontal direction at a predetermined interval, and two tap grooves 26, 27 are formed in the longitudinal direction. One of the tap grooves 26 is the first through hole
The other tap grooves 27 (receiving grooves) are formed outside the ends of the second through holes 24 so as to straddle the ends of the second through holes 25.

More specifically, the other tap groove 27 is partially cut at the end of the second through hole 25... To form a cut portion 271. …
It can be easily inserted into the second through holes 25 (see FIG. 5). As will be described later, the stopper band 9 (see FIG. 6) is press-fitted into the other tap groove 27 so that the end of the horizontal lattice 8 can be fixed in the second through hole 25. ing.

The stopper band 9 is formed to have a substantially T-shaped cross section, and a fitting portion 91 which is slightly swelled so as to fit tightly into the tap groove 27 is formed at a lower end edge thereof. Or,
The thickness of the stopper band 9 may be set to be slightly larger (a constant value) than the groove width of the tap groove 27 so as to be press-fittable.

As shown in FIGS. 9, 10 and 12 (A) and 12 (B), the side frame 4 has a bottom 41 and side walls 42 and 43 formed on both sides thereof. At one end of one side wall portion 42, a reinforcing flange portion 44 bent inward and further bent outward is provided.
Is formed on the other side wall portion 43, and a reinforcing flange portion 45 which is bent inward and further bent inward is formed. The other side frame 5 is formed in the same shape as the side frame 4.

At the bottom 41, there are formed hook holes 141 for inserting and hooking the ends of the horizontal lattices 8 at predetermined intervals in the horizontal direction. Holes 142, 142 are formed at both ends in the longitudinal direction of the portion 41 for inserting screws (not shown) for screwing into the tap grooves 26, 27 formed in the upper inclined frame 2 (and the lower inclined frame 3). ing.

On the other hand, as shown in FIGS. 13 (A) and 13 (B), the vertical lattices 7 are formed in a substantially T-shaped cross section, and engaging grooves 71 are formed at their side edges at predetermined intervals. Have been.

On the other hand, the horizontal grids 8 are shown in FIGS. 14 and 15A and 15B.
As shown in (C) and (D), the groove is formed in a substantially T-shaped cross section, and on one side edge thereof, locking grooves 81 are formed at predetermined intervals, and at the end thereof, an inclined upper frame is formed. The locking end 82 for inserting and locking the second through-hole 25 of the second frame 2 (or the lower inclined frame 3) and / or the locking hole 141 of the side frame 4 (or the side frame 5). A hooking end 83 is formed for hooking on the hook.

The locking end 82 (see FIG. 4) is
… Is formed with a rectangular notch at one end,
Width W of end 82₁ And the width dimension W of the second through hole 25_gBetween
Is W _g≧ W₁ And the width of the notch
W_Three And the width W of the retaining groove 81_Two Between_Three ≧ W_Two Become
It is assumed that the relational expression holds, and the width of the first through hole 24 is
The method is substantially the same as the width of the vertical lattice 7. The vertical grid
It is preferable that the width dimensions of the horizontal grid 7 and the horizontal grid 8 are the same.

The handrail 1 constructed as described above is shown in FIG.
As shown in FIG. 10, it is possible to assemble with extremely high workability. First, the end of the vertical lattice 7 is inserted into the first through hole 24 formed in the inclined upper frame 2 (see FIG. 3), and then the locking end 82 formed at the end of the horizontal lattice 8 is inclined. It penetrates into the second through hole 25 formed in the upper frame 2 (see FIG. 4). Further, the horizontal lattice 8 is moved toward the vertical lattice 7 and its retaining grooves 81.
Are fitted and fixed to each other by locking grooves 71 formed in the vertical lattice 7 (see FIGS. 5 and 6).

Next, the stopper band 9 is press-fitted into the other tap groove 27 provided on the inclined upper frame 2 to restrict the movement of the locking end 82 of the horizontal lattice 8 (see FIGS. 6 to 8). Similarly, each end of the vertical lattice 7 and the horizontal lattice 8 is connected to the inclined lower frame 3.
Assemble also for Thereby, the vertical lattices 7 and the horizontal lattices 8 are firmly assembled to the upper inclined frame 2 and the lower inclined frame 3 without rattling.

Further, as described above, the use of the stopper band 9 makes it possible to significantly reduce the number of parts as compared with the case where bolts and nuts are fastened, and the assembly workability is remarkably improved. I do.

Then, after assembling the side frames 4 and 5 with respect to the vertical grid 7 and the horizontal grid 8,
If fixed to the inclined upper frame 2 and the inclined lower frame 3, the handrail 1
Is completed (see FIGS. 9 and 10).

More specifically, the latching ends 83 formed at the ends of the horizontal lattices 8 (see FIG. 9) are fitted into the latching holes 141 formed in the side frame 4 (5) without gaps. Do shoulder 831
And a neck 832 formed narrower than the shoulder 831;
The head portion 833 is wider than the neck portion 832 and has the same width as the shoulder portion 831 or a narrower width than the shoulder portion 831.

First, the engaging ends 83 of the horizontal lattices 8 are inserted into the engaging holes 141 of the side frame 4 (5) as shown in FIG. 9, and then, as shown in FIG. By pushing the hook bar 11 from above the hook ends 83 ..., the hook ends 83 ...
Are locked and fixed in the locking holes 141 of the side frame 4 (5).

The work of pushing the hook bar 11 can be performed at once with extremely good workability. By using such a hook bar 11, the number of parts can be significantly reduced as compared with the case of fastening bolts and nuts.

As shown in FIGS. 16 and 17, the hook bar 11 has a pair of side walls 112, 112 hanging from both sides of the upper bottom 111.
A bent piece 11 which is bent outward and slightly downward at the lower end of
3, 113, and wedge-shaped engaging portions 114, 114 are provided inwardly from the inside of the bent piece portions 113, 113.

The hooking bar 11 is provided such that the inwardly tapered oblique sides 115, 115 of the hooking portions 114, 114 are applied to both sides of the head 833 of the hooking end 83 of the horizontal lattice 8. Place it so that it touches, and push down the upper bottom 111 from above.
2, 112 are open, and their hooks 114, 114 are
As shown in FIG. 10, the two toes 116, 116
Are hooked on the lower sides on both sides of the head 833, and both bent pieces 113,
The tip of 113 contacts the bottom 41 of the side frame 4 (5).

In such a hooking state, the ends of the horizontal lattices 8 are stably and firmly hooked by the hook bars 11 without rattling to the side frames 4 (5). Fixed. Then, self-drilling screws (not shown) are inserted into bolt holes 142, 142 (see FIG. 12B) formed at both upper and lower ends of both side frames 4, 5, and the upper inclined frame 2 (and the lower inclined frame) are inserted. By screwing into the tap grooves 26 and 27 in 3), the frame 6
Is formed, the assembly of the handrail 1 is completed.

Such a handrail 1 can be formed with high rigidity by using a drawn material of an aluminum alloy, but is not limited to this, and for example, a plastic material is used for the vertical lattice 7 and the horizontal lattice 8. Thereby, weight reduction and cost reduction can be achieved. Further, plastic or other metal material may be appropriately used for other members.

[0033]

Since the present invention is configured as described above, the following effects can be obtained.

According to the first aspect of the present invention, the ends of the vertical lattices 7 are inserted into the first through holes 24 formed in the upper inclined frame 2 and the lower inclined frame 3 while the horizontal lattices 8 are inserted. Are inserted into the second through holes 25 formed in the inclined upper frame 2 and the inclined lower frame 3, and the engaging grooves 71 formed in the vertical lattices 7 and the horizontal lattices 8 are formed. Since the formed engaging grooves 81 are engaged with each other and fixed to each other, the number of parts can be reduced, the rigidity can be formed, and the assembling workability can be improved.

According to the second and third aspects of the present invention, the stopper band 9 is fitted and held in the receiving groove 27 provided in the longitudinal direction of the inclined upper frame 2 and the inclined lower frame 3 so as to form the horizontal lattices 8. Since the ends are fixed, the number of parts is reduced, and the assembling workability is further improved.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a gradient part mounting grid assembly according to the present invention.

FIG. 2 is a front view.

FIG. 3 is an assembly explanatory diagram.

FIG. 4 is an explanatory view for assembling.

FIG. 5 is an explanatory view for assembling.

FIG. 6 is an explanatory view for assembling.

FIG. 7 is an explanatory view of assembly.

FIG. 8 is an explanatory view for assembling.

FIG. 9 is an explanatory view for assembling.

FIG. 10 is an assembly explanatory diagram.

11A and 11B are explanatory views of relevant parts, in which FIG. 11A is a plan view of an inclined upper frame, and FIG. 11B is a side view.

FIG. 12 is an explanatory view of a main part, in which (A) is a side view of a side frame,
(B) is a plan view.

FIG. 13 is a side view of a vertical lattice.

FIG. 14 is a side view of the horizontal lattice.

FIG. 15 is a side view of a horizontal lattice.

FIG. 16 is a perspective view of a hanging bar.

FIG. 17 is a front view of a hanging bar.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 2 Inclined upper frame 3 Inclined lower frame 4 Side frame 5 Side frame 6 Frame 7 Vertical lattice 8 Horizontal lattice 9 Stopper band 24 First through hole 25 Second through hole 27 Receiving groove (tap groove) 71 Locking groove 81 Engagement groove 82 Engagement end (end) 91 Fitting part W ₁ Width of _one end W _g Front and rear width of second through hole 25

Claims (3)

(57) [Claims] 1. A plurality of vertical lattices and horizontal lattices are assembled in a lattice shape in a frame formed by attaching left and right side frames to both ends of an inclined upper frame and a lower inclined frame to form a parallelogram. An inclined part mounting lattice assembly, wherein an end of the vertical lattice is inserted into a first insertion hole formed in the inclined upper frame and the inclined lower frame, and an end of the horizontal lattice is To be engaged with the second through-holes formed in the inclined upper frame and the inclined lower frame, and the engaging groove formed in the vertical lattice and the engaging groove formed in the horizontal lattice are engaged with each other. A gradient portion, wherein the horizontal lattice is movable back and forth in a direction approaching the vertical lattice, and the longitudinal width of the second penetration hole is set to be larger than the width of an end of the horizontal lattice. Mounting grid assembly. 2. An end portion of the horizontal lattice is formed with a locking end narrower than a width of the horizontal lattice main body, and is located before and after the second through hole formed in the upper inclined frame and the lower inclined frame. The width dimension is set to be larger than the width dimension of the locking end of the horizontal lattice, and the inclined upper frame and the inclined lower frame are provided with the movement of the locking end inserted through the second penetration hole. 2. The gradient part mounting grid assembly according to claim 1, wherein a stopper band for restraining is fixed to an upper surface of the inclined upper frame and a lower surface of the inclined lower frame. 3. An upper surface of the inclined upper frame and a lower surface of the inclined lower frame,
A stopper groove is formed in each of the longitudinal directions, and the stopper band is formed in a substantially T-shaped cross section, and a fitting portion is formed at a lower end edge of the stopper band to press-fit the receiving groove. 3. The grid assembly for mounting a slope portion according to 2.