JP4109083B2 - Laying and locking structure in the groove of the grating - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a laying locking structure for a grating in a grating of a rectangular lattice laid in an upper opening of a U-shaped groove.
[0002]
[Prior art]
The grating 20 laid in the upper end opening of the U-shaped groove 15 (see FIG. 4) is formed in a rectangular lattice shape, and the bearing bar 2 of the belt material for supporting the vehicle load passing through the upper surface of the laid state is vertically arranged in the width direction. It has a shape arranged side by side at a pitch P in the direction, and is placed and set on an L-shaped receiving frame member 5 laid and fixed in a U-shaped notch groove 16 provided at a pair of opposing ends on the upper end of the U-shaped groove 15. The fixing bolt 21 erected and fixed to the receiving frame member 5 is passed through the bolt holes 24 of the bottom plate of the mounting box 23 provided at the four corners of the grating 20, and the nut 22 is screwed and tightened, whereby the grating 1 is received by the receiving frame member 5. To the “fixing structure of the grating 1 to the U-shaped groove 15”.
[0003]
[Problems to be solved by the invention]
The above-described conventional “laying and fixing structure of the grating 1 to the U-shaped groove 15” is configured such that the four bolt holes 24 of the individual gratings 1 are respectively fitted to the four fixing bolts 21 erected on the receiving frame member 5. Since the nut 22 is tightened and fixed, when the grating 1 group is continuously laid and fixed in series in the long U-shaped groove 15, a complicated and inefficient work requiring a great amount of work and time is required. There are difficulties in laying work.
[0004]
In addition, maintenance performance such as replacement of the grating 1 and cleaning work of the U-shaped groove 15 performed by removing the grating 1 is inferior.
[0005]
The present invention provides a “grating laying locking structure in a grooved body” that solves the above-mentioned problems of the prior art.
[0006]
[Means for Solving the Problems]
In the present invention for solving the above technical problems, the “latching locking structure of the grating to the groove body” is the “L-shaped receiving frame member laid in a pair facing the upper end of the U-shaped groove, and the grating group of the rectangular lattice body is provided. In the laying and locking structure of the grating in the grooved structure that is continuously laid in series, a cantilever-like locking plate for locking to the bottom plate of the receiving frame member is projected on the back surface of the grating, and the bottom plate A locking plate pocket having a locking plate insertion slot that extends upward in the length direction of the bottom plate by opening the insertion port of the locking plate, and is inserted and fitted into the locking plate pocket from the insertion port. The locking plate is constructed so as to be detachably locked to the bottom plate by sliding in the locking plate insertion slot.
[0007]
That is, in the laying locking structure of the present invention having the above basic configuration, when the grating group is laid in series in a U-shaped groove receiving frame member, each of the gratings is not bolted and fixed to the receiving frame member. It is characterized by a structure that enables simple and high-efficiency, one-touch, and detachable laying and locking by means of an interlocking locking means comprising a locking plate and a locking plate pocket.
[0008]
From the technical intention of “further improvement in stability” of the specific action of the basic structure, a blocking plate for preventing foreign matter / dust from entering the locking plate pocket on the receiving frame member side is attached to the back surface of the grating, or the grating The present invention adopts a mode of providing cushioning material interposing means for preventing “unevenness of the upper and lower sides” and uneven fitting and engaging means for interlocking adjacent gratings.
[0009]
[Action]
The “laying locking structure of the grating on the groove body” of the present invention having the above-described basic structure is such that the latching plate on the grating side is fitted from the insertion opening of the locking plate pocket of the receiving frame member on the groove body side, and then the locking plate When the locking plate is slid and moved in the insertion slot and the locking plate is pressed against the wall of the locking plate pocket and fitted and set, the locking plate on the grating side is mounted and locked in the locking plate pocket on the receiving member side. While being prevented from coming off upward, the wall portion of the locking plate pocket functions as a stopper of the locking plate to lock the movement in the sliding direction. Accordingly, the grating can be laid and locked on the receiving frame member in one touch, and can be laid and locked in series in a “simple and accurate manner” sequentially.
[0010]
And by the above reverse procedure, it is possible to sequentially remove the grating in the laying locked state on the receiving frame member from the receiving frame member in a one-touch manner.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
The “laying locking structure of the grating in the groove” according to the first embodiment of the present invention will be described with reference to FIGS. 1 and 2. That is, a group of gratings formed in a rectangular lattice by forming the bearing bars 2 of the band material side by side with a required interval in the band width direction and enclosing both ends of the bearing bar 2 group with the left and right side plates 4. , Both side portions are placed and locked on a pair of opposed L-shaped receiving frame members 5 laid and fixed in a pair of opposed L-shaped notches 16 provided on the upper end of the U-shaped groove 15 in series. The laying locking structure of the grating 1 to be laid on the U-shaped groove 15 is configured in the following specific form.
[0012]
The front and rear ends of the side-by-side bearing bars 2 form the front and rear frame plates 3 of the grating 1, 13 in the figure is a reinforcing bar that interconnects the upper ends of the bearing bars 2, and 14 is a receiving frame member 5. This is an anchor bolt.
[0013]
For details (see FIG. 1), the free ends extend in the direction of the left and right side plates 4 from the lower ends of the base portions 8 fixed to the lower ends of several bearing bars 2 arranged in parallel at the four corners of the back surface of the grating 1. A cantilever-like locking plate 7 to be projected is provided so as to be parallel to the back surface.
[0014]
(See FIGS. 1 and 2A.) The lower plate 6 of the receiving frame member 5 on the U-shaped groove 15 side (the lower plate of the L-shaped material joined to the upper surface of the notch groove 16) is engaged with the grating 1 An insertion slot 9 for loosely inserting the plate 7 is opened, and a locking plate insertion slot 11 (hereinafter referred to as a slot) is extended between the bottom of the bottom plate 6 extending in the longitudinal direction of the lower plate 6 with the insertion port 9 as a center. 11) is provided with the same span S as the span S of the locking plate 7, and the locking plate pocket 10 and the locking plate 7 provide “to the U-shaped groove 15 of the grating 1. It constitutes the “laying locking structure”.
[0015]
The grating 1 of this embodiment is provided with a slightly wide blocking plate 12 that extends in the full length direction of the grating 1 along the lower ends of the left and right side plates 4 and is fixed to the back surface of the bearing bar 2. In the state of laying and locking in one U-shaped groove 15, the upper portion of the locking plate pocket 10 is closed.
[0016]
Then (see FIGS. 1 and 2A), the locking plate 7 of the grating 1 is inserted into the insertion port 9 of the bottom plate 6 of the receiving frame member 5 laid and fixed in advance in the U-shaped groove 15 to engage the locking plate 7. Fit into the stop plate pocket 10 and then put into the slot 11 and slide the entire grating 1 in the direction of the arrow in FIG. 2A to lock the end of the lock plate 7. "Set by pressing against the end of the plate pocket 10" and detachably laid in combination with the "prevention of the upper locking plate 7 from the bottom plate 6" and "locked movement of the locking plate 7 in the sliding direction" Lock.
[0017]
Then (see FIG. 2B), the first grating 1A is first mounted and locked to the receiving frame member 5 from one end of the U-shaped groove 15 of the long groove, and then the grating 1B continuously connected in series to the grating 1A is the same. Attaching and locking to the receiving frame member 5 and adjusting the laying posture by making the front and rear frame plates 3 of the adjacent gratings 1A and 1B to be mutually joined, and subsequently sequentially laying and locking the gratings 1C and 1D (not shown) sequentially. Then, the group of gratings is laid and locked in series on the entire length of the U-shaped groove 15.
[0018]
Only the grating 1 at the end of the U-shaped groove 15 is mechanically connected and fixed to the receiving frame member 5 by the conventional means shown in FIG. 4 and the like, and the laying locking state of the entire group of gratings 1 connected in series is fixed.
[0019]
The above-described embodiment has the above-described action. When the grating 1 group is laid in series on the frame member 5 of the long U-shaped groove 15, the above-described laying method “ Since it is possible to lay and lock sequentially and continuously by the simple method of “insertion of the locking plate 7 into the insertion port 9 and sliding movement”, the troublesome work of bolt fastening for each conventional grating illustrated in FIG. 4 becomes unnecessary. The laying and locking operation of the grating 1 group is extremely simple and efficient.
[0020]
Due to the above unique action, the removal work from the receiving frame member 5 of the grating 1 group can be easily and efficiently performed by the reverse procedure method described above, and the replacement work of the grating and the cleaning work of the U-shaped groove 15 performed by removing the grating can be performed. It becomes extremely easy to do.
[0021]
Furthermore, since this embodiment has the closing plate 12, the U-shaped groove 15 of the grating 1 can be obtained without intrusion and accumulation of foreign matter and dust caused by a vehicle passing through the upper surface of the grating 1 into the locking plate pocket 10. There is a unique effect that the workability of attaching and detaching can be satisfactorily maintained over a long period of time.
[0022]
Next, another embodiment of the present invention will be described with reference to FIG. That is, in the “laying locking structure comprising the locking plate 7 and the locking plate pocket 10” similar to that of the embodiment of FIGS. 1 and 2, the one shown in FIG. A cushion sheet 17 such as a soft rubber sheet is laid on the upper surface, and the locking plate 7 inserted into the slot 11 of the locking plate pocket 10 is pressed downward by the cushion sheet 17 to prevent rattling of the grating 1. Is provided with means for preventing rattling in the form of cushioning material.
[0023]
4B has a pressing projection 18 standing on the upper surface of the locking plate 7. Similarly, the locking plate 7 in the locking plate pocket 10 is pressed downward by the pressing projection 18 to make the grating 1 as shown in FIG. Is provided with an anti-ragging means in the form of a press-contact projection for “preventing rattling”.
[0024]
4 (C) shows a taper-shaped locking pin 30 and a locking pin on one side on the front and rear frame plates 3 of the adjacent gratings 1A and 1B that are continuously mounted on the bottom plate 6 of the receiving frame member 5. Interlocking means in the form of a concave-convex fitting comprising an engaging hole 31 on the other side for fitting the “30” without rattling is attached, and interlocks the laying postures of two adjacent gratings 1A and 1B. It is in form. In the embodiment of FIG. 4C, the laying posture of the group of gratings arranged in series is extremely stable.
[0025]
In addition, this invention is not limited to the said embodiment, For example, the obstruction board 12 may be limited only to the upper part of the locking plate pocket 10, or may be abbreviate | omitted.
[0026]
【The invention's effect】
As described above, the “laying locking structure of the grating in the groove body” of the present invention is characterized by the workability of the continuous laying when the grating group is laid in series in the upper part of the long U-shaped groove. It can be improved at low cost and high efficiency.
[0027]
Then, it is possible to easily and efficiently remove the grating group in the continuous laying state, thereby improving the maintainability of the grating and the U-shaped groove. There are various practical effects as described above.
[Brief description of the drawings]
FIGS. 1A and 1B show a “laying and locking structure of a grating to a groove body” according to an embodiment of the present invention, wherein FIG. 1A is a rear perspective view of the grating, and FIG. FIG. 2C is a cross-sectional view of the U-shaped groove laid. FIG. 2 shows the receiving frame member and the installed state of the embodiment in FIG. 1, FIG. 2A is a perspective view of the receiving frame member, and FIG. FIG. 3 shows another embodiment of the present invention, (A) and (B) are side views showing the locking state of the locking plate and the locking plate pocket, (C) Fig. 4 is a side view showing a state in which adjacent gratings are locked. Fig. 4 shows a conventional laying structure of a grating in a groove, (A) is a partial plan view of the grating in the laid state, and (B) is (A). CC cross-sectional view [Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Grating 2 Bearing bar 4 Side frame member 5 Receiving frame member 6 Bottom plate 7 Locking plate 9 Insertion slot 10 Locking plate pocket 11 Locking plate insertion slot 12 Closing plate 20 Conventional grating

Claims (4)

In the latching structure of the grating in the grating structure in which the grating group of rectangular grids are laid in series on the L-shaped receiving frame member laid in a pair opposed to the upper end of the U-shaped groove, on the back surface of the grating A cantilever-like locking plate that locks to the bottom plate of the receiving frame member, and a locking plate that extends in the length direction of the bottom plate by opening the insertion port of the locking plate upward in the bottom plate A locking plate pocket having an insertion slot is provided, and the locking plate inserted and fitted into the locking plate pocket from the insertion port is detachably engaged with the bottom plate by sliding in the locking plate insertion slot. A laying locking structure for a grating groove characterized by a structure that stops and lays. In laying locking state of the receiving frame members, at least laying locking structure of the closing plate for closing the upper locking plate pocket receiving frame member, the grooves of grating of claim 1 which is provided on the rear surface of the grating. 3. The laying / engaging structure for a grating groove according to claim 1 or 2, wherein the front / rear frame plates of the grating that are mutually joined in the continuous laying state are provided with interlocking means in a concave-convex fitting form. 4. The device according to claim 1, further comprising: an anti-shock means having an elastic cushion material interposed form or a raised pressure contact form at a joint portion between the locking plate pocket and the locking plate. Laying and locking structure in the groove of the grating.

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