JP3914238B2 - Grating and lattice panel - Google Patents

Description

  The present invention relates to a grating-type grating laid on top of drainage grooves and the like, and a lattice-like panel having a lattice form and used as a “floor panel laid on a floor surface”, a “handrail wall panel of a building structure” or the like. Is.

  In general, the grating / lattice panel, which is widely used, surrounds both ends of a main member group in which long strips are arranged side by side with a required pitch with side frame members, and the main member accurately determines the vehicle load passing through the upper surface. Since a mechanical strength to be carried on the base member is required, a structure in which a connecting member is inserted into a middle abdominal plate in the longitudinal direction of the main members arranged side by side to be fixed by welding is widely used.

  On the other hand, as a background art disclosed in Patent Document 1 (see FIG. 7), “a side frame member 3 orthogonal to the main member 2 is attached to the end of the main member 2 group arranged in parallel with the band width direction of the band material. In the grating / lattice-like panel to be connected and fixed, the main member 2 has a triangular lock hole 15 with its apex or base facing the end, and a tongue formed by vertically dividing the lock hole 15 through a slit 16 A piece-like connection locking piece 17 projects from the end portion, and the side frame member 3 is provided with a locking hole 18 that protrudes the lock hole 15 through the connection locking piece 17 and is further passed through the locking hole 18. A structure in which a lock member 20 having a triangular cross-sectional shape that is press-fitted into the lock hole 15 group of the connection locking piece 17 is provided, and the main member 2 and the side frame member 3 are connected and fixed in a tightening form by the lock member 20 ". A grating / grid 25 is shown.

Japanese Patent No. 3380863

  The grating / lattice body 25 of Patent Document 1 allows the main member 2 and the side frame member 3 to be connected and fixed by the hook-shaped lock member 20, but the connection member 5 and the main member 2 group indispensable for securing the strength. Since the welding fixing means becomes indispensable, the welding work requires a great deal of labor, and the processing cost increases, and if there is a point where the welding is incomplete, the welding point is removed due to the vehicle load passing through the top surface, and when the vehicle passes There is a difficulty that the main member 2 has insufficient strength.

  On the other hand, floor gratings in handrail panels for buildings and clean rooms for precision equipment processing require appropriate design and corrosion resistance. Although the structure of interconnecting by means of “rivet fastening” means (in which welding is impossible or difficult) has become widespread, the connecting member that secures mechanical strength has a difficulty in disposing due to the difficulty in welding.

  The present invention provides a grating and a lattice-like panel that solves the above-mentioned problems of the background art.

  The “grating / grid-like panel” of the present invention that solves the above technical problems is “the main member group arranged in parallel at a required pitch with the band width direction of the strip in the vertical direction and framed and fixed by a side frame member, In a grating / grid-like panel of a rectangular lattice in which a connecting member parallel to the side frame member is disposed and fixed in the middle of the length direction of the main member group, the connecting member is provided for each belly plate of the main member group. The main member fixing slots for fitting the hole edges of the coupling locking holes are arranged and fixed by a pair of pitch fixing bars arranged at a required pitch, and a lock bar press-fitted to the back of the pitch fixing bar. A pair of trapezoidal holes in which the pitch fixing bar has a symmetrical shape, and the coupling locking hole of the main member has a top in the length direction of the main member and penetrates the pitch fixing bar; The lock bar is connected to the bottom of the pair of trapezoidal holes. Nyunuki structure consisting of longitudinal rectangular hole of the lock bar hole interpolate "is characterized.

  Then, from the technical intention to further improve the specific action, the “connection locking structure of the main member and the side frame member by the hook-shaped lock member” shown in Patent Document 1 is adopted.

  In the grating / lattice panel of the present invention having the above-described configuration, the main member fixing slot of the pitch fixing bar is fitted and engaged with the edge of each coupling locking hole of the main member group in the side-by-side posture. The pitch is accurately secured and set, and the lock bar is press-fitted into the back of the pitch fixing bar in the set state, and the pitch fixing bar in the fitting engagement posture is mechanically completely locked. Therefore, the main member and the connecting member in the locked state are mechanically and firmly connected and fixed, and the arrangement form is particularly stabilized. Thus, there is no fear that the parallel posture of the main member group will be collapsed or “raised” by the vehicle load passing through the upper surface, etc., and the mechanical strength will be sufficient and the quality will be stable.

  Then, the welding means for fixing the connecting member and the main member is completely unnecessary, and is used in combination with the “connecting and fixing means by the hook-shaped lock member of the main member and the side frame member” in the background art. Therefore, the “welding processing means” which is time-consuming and may cause defective welding is completely unnecessary. And the arrangement | positioning set of a connection member can also be carried out easily and accurately also to the said handrail panel etc. which are difficult to weld. There are the above-mentioned main specific effects.

  Hereinafter, preferred embodiments of the present invention will be described.

  (See FIG. 1) The ends of the main member 2 group arranged in parallel at the required pitch P with the band width direction of the belt-like material being vertically surrounded by the side frame member 3, and the length direction of the main member 2 group In a grating / rectangular lattice 1 (hereinafter simply referred to as grating 1) connected and fixed by several (four in the figure) connecting members 5 parallel to the side frame members 3, the main member 2 and the connecting members 5 is connected by a connecting member 5 composed of “pitch fixing bars 6A and 6B and a lock bar 7” which is set to penetrate through a connecting locking hole 8 (hereinafter simply referred to as a locking hole 8) provided in the abdomen of the main member 2. The structure is set to be assembled and set without using welding means. In addition, 4 in a figure is an attaching part which fastens and fixes the grating 1 to a groove body, a building support | pillar, etc.

  For details (see FIGS. 2 and 3), the pitch fixing bars 6A and 6B are made of steel bars having a trapezoidal cross section and have a length L equal to the inner distance L of the “side frame member 3 enclosed in a square frame”. , "The main member fixing slot 9 for receiving the edge of the locking hole 8 of the main member 2 arranged side by side and fitting without rattling" is provided at the apex portion of the trapezoid at the arrangement pitch P of the main member 2 The fixing bars 6A6B are in a one-to-one pair having a symmetrical shape.

  Then, the lock bar 7 is a vertically long and short belt-like plate made of a steel lot having the same length L, and the both ends of the lock bar 7 are shown in the above-mentioned Patent Document 1 protruding from the locking holes of the side frame member 3. It is formed on the stop piece 17.

  On the other hand, the locking hole 8 of the abdominal plate of the main member 2 (see FIG. 2B) is located in the middle of the trapezoidal hole 11 and a pair of left and right trapezoidal holes 11 that penetrate the pitch fixing bars 6A and 6B. The trapezoidal hole 11 is formed in a communication shape of a vertically long rectangular lock bar hole 10 through which the lock bar 7 is inserted with the bottom and the bottom shared. The grating 1 is assembled and molded by the following procedure and method.

  That is, (see FIG. 3 and FIG. 4) First, the first pitch fixing bar 6A is sequentially passed through the locking holes 8 of the main members 2 to be arranged side by side at a predetermined pitch, and the main member fixing slot 9 of the outer circumferential notch is engaged. The side hole of the trapezoidal hole 11 on one side of the stop hole 8 is fitted and set. Subsequently, the other pitch fixing bar 6B as a pair is passed through the trapezoidal hole 11 on the other side of the same locking hole 8, and the main member fixing slot 9 is fitted to the side edge on the other side of the trapezoidal hole 11. The main member 2 group is set in parallel at a predetermined pitch P by sequentially repeating the above setting operation on the main member 2 provided in parallel.

  Thereafter, the lock bar 7 is press-fitted and set between the rear surfaces of the pair of pitch fixing bars 6A and 6B in the set state through the engaging holes 8 at the end portions in the parallel posture, thereby arranging the two main members in parallel. Lock the assembly shape tightly.

  Subsequently (see FIG. 4), the side frame member 3 is disposed on the side periphery of the main member 2 in the side-by-side assembly form, and is assembled and set into a rectangular lattice shape. After that, the lock member 20 in the form of a hook is inserted into the lock hole 15 of the connection locking piece 17 of the connection member 5 protruding from the end of the main member 2 by the connection means of the above-mentioned Patent Document 1 to the side frame member 3. The grating 1 shown in FIG.

  In the grating 1 of the above embodiment, the predetermined parallel pitch P is mechanically and firmly combined and fixed by the pitch fixing bars 6A and 6B and the lock bar 7 which are set to penetrate the locking holes 8 of the main members 2 arranged side by side. At the same time, the main group 2 of side-by-side fixing and the side frame member 3 are also mechanically and firmly combined and fixed by the “locking piece 17 and the lock member 20”, which reduces the labor and processing cost. This eliminates the need for a welding process that is necessary and may cause improper fixing.

  The assembly structure without the welding process of the grating 1 has no fear that the assembly connection part will be insufficient in strength or detached due to impact load such as a vehicle load in use, and has mechanical performance as a grating / rectangular lattice. It will be of a high quality that is particularly stable and maintained.

  Next, another embodiment will be described with reference to FIGS. That is, FIG. 5 illustrates a combination of various shapes of the pitch fixing bars 6A, 6B, and lock bar 7 in the case of “one pair of pitch fixing bars 6A, 6B and lock bar 7” as in the above embodiment. The lock bar 7 is a flat plate or square member that can be vertically and horizontally, and is used in the same manner as in the embodiment of FIG. In addition, the locking hole 8 of the main member 2 through which these are inserted (not shown) is naturally set to a shape corresponding to those shown in the drawings (A) to (C).

  On the other hand, FIG. 6 shows the content of the invention in a similar form that utilizes the technical idea of the present application, although it is not included in the “pair of fixed bars” requirement of the claims of the present application. That is, a combination of “single pitch fixing bar 6 and lock bar 7” is shown, and “the main member fixing slot 9 of the pitch fixing bar 6 is fitted and locked to the hole edge of the locking hole 8 similarly. After that, the lock bar 7 is press-fitted through the back as shown in the figure, and the parallel posture of the main members 2 is locked as in the embodiment of FIG.

  The above-mentioned “single pitch fixing bar 6” facilitates assembly work because the pitch fixing bar 6 is single. Further, it is suitable for “grating for handrails of buildings,” “floor panel for light vehicle passageway”, etc., having a required mechanical strength as the grating 1 of medium or small.

Overall plan view of grating / rectangular lattice of one embodiment of the present invention 1 shows the connecting member and the locking hole of the main member of the embodiment of FIG. 1, (A) is a perspective view of the structure of the connecting member, (B) is an explanatory view of the locking hole of the connecting member FIG. 1 is an explanatory diagram of the “main member connecting and fixing method using connecting members” in the embodiment of FIG. Explanatory drawing of the connection structure of the main member and side frame member of FIG. 1 Example (A), (B), and (C) are explanatory views of the pitch fixing bar and the lock bar according to another embodiment of the present invention. Both (A), (B) and (C) are explanations of the pitch fixing bar / lock bar combination form and the locking holes of other embodiments of the present invention. FIG. 2 shows a background grating / rectangular lattice, (A) is an overall perspective view, and (B) is an explanatory diagram of the connection structure of the main member and side frame members.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Grating / grid-like panel 2 Main member 3 Side frame member 5 Connection member 6, 6A, 6B Pitch fixed bar 7 Lock bar 8 Connection locking hole 9 Main member fixing slot 10 Lock bar hole 11 Trapezoid hole 15 Lock hole 17 Connection member Stop piece 18 Locking hole of side frame member 20 Lock member 25 Conventional grating / lattice P Parallel pitch

Claims (1)

  A main member group that is arranged in parallel at a required pitch with the band width direction of the band member being vertically arranged is framed and fixed by a side frame member, and a connecting member that is parallel to the side frame member in the middle of the length direction of the main member group In the grating / grid-like panel of a rectangular lattice with a fixed arrangement, the connecting member has a main member fixing slot that fits the edge of the connecting locking hole of each belly plate of the main member group at a required pitch. A pair of pitch fixing bars and a lock bar that is press-fitted and set to the back of the pitch fixing bar, and the pitch fixing bars are symmetrically paired to form a coupling locking hole in the main member. However, a pair of trapezoidal holes having a top in the length direction of the main member and penetrating the pitch fixing bar, and a bottom of the pair of trapezoidal holes are communicated with and press-fitted and inserted into the lock bar. Gray characterized by a structure consisting of vertical rectangular lock bar holes Ring-lattice-like panel.

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