JP4616686B2 - Corrugated board - Google Patents

Description

  The present invention relates to a corrugated plate that can be used safely because the edge of the corrugated plate body is not exposed and there is no step at the end.

  Stages used for various purposes such as photo platform, stage for athletics, parade, etc., stage for holding various events, speeches, opera, etc. In order to configure the section, a structure in which a horizontally long plate is bridged on a pedestal of various shapes is used. And in temporary applications where the period of use is limited or dismantled and moved and used repeatedly, a corrugated plate that has been cut to a standard length is widely used, especially for light weight and easy handling. ing.

  However, these exposed stencils are hard and pointed, so that they are easily injured and dangerous when touched by limbs. Therefore, as shown in FIGS. 10 and 11, it has been proposed to increase safety by fitting an end cap b in which plastic or the like is formed into a groove shape at a cut end (see, for example, Patent Document 1). .

Japanese Patent Laid-Open No. 10-2173

  However, the end of the stepped plate a to which the groove-shaped end cap b is fitted is formed with a step corresponding to the thickness t of the end cap b, and the user climbing on the end of the step cap a kicks and falls down, Furthermore, there is a risk of dropping from the corrugated plate a. In particular, when a plurality of corrugated boards a are used side by side, there is a problem that a user walking on the corrugated board a is likely to fall by hooking his toes.

  Further, when this kind of corrugated board a is used as a shelf for displaying goods or storing goods, the product placed on the end cap b on one side is inclined because the raised side is lifted by the height of the thickness t. There is a problem that it is displayed and the appearance is lowered. Furthermore, since a product whose substantially central portion is placed on the end cap b easily swings from side to side with the location as a fulcrum, if the product makes a rattling sound or the product is to be operated, handling is difficult. The problem is difficult.

  According to the present invention, an end substrate portion that covers an end surface of the upper plate portion that constitutes the end portion of the corrugated plate body and an end surface of the reinforcing rib portion of the edge cap has an upper end thereof, and an upper surface of the upper plate portion of the corrugated plate body It is a problem to provide a corrugated board that is highly safe for users climbing on it and that can stably place products.

In order to achieve the above object, the invention according to claim 1 includes a step plate body and an edge cap that covers an end portion of the step plate body, and the step plate body includes a rectangular plate-like upper plate portion. A reinforcing rib portion comprising a plurality of ribs that hang from the lower surface of the upper plate portion and extend the entire length of the upper plate portion in the longitudinal direction, and the edge cap forms the end of the corrugated plate body. covering at least the end plate portion and the end face of the end surface and the reinforcing ribs of the upper plate, and from the end plate part engages the projecting and the reinforcing rib portions on the stage plate main body side holding the edge cap In addition to having a locking part to prevent falling off, the end board part has its upper end aligned with the upper surface of the upper part of the corrugated board body, and the reinforcing rib part prevents misalignment when arranging the corrugated board At least one for forming a misalignment prevention portion having a hole portion to be Characterized in that it comprises a-decided rib Me.

In the invention according to claim 2, the edge cap is prevented from coming off by engaging the locking portion with the upper plate portion together with the reinforcing rib portion, and in the invention according to claim 3, the reinforcing rib portion. Includes outer ribs provided on both side edges of the corrugated plate body, and a plurality of inner ribs arranged between the outer ribs.

  In the invention according to claim 4, the outer rib has a locking groove continuous in the length direction on the outward surface of the hanging wall portion depending from the lower surface of the upper plate portion, and the inner rib is the upper plate. A first flange that is horizontal at the lower end of the first web that hangs down from the lower surface of the part, and a second flange that projects in the width direction from the lower end of the second web that hangs down from the lower surface of the upper plate part. In addition, in the invention according to claim 5, the locking portion protrudes from the end substrate portion and is inserted into the locking groove of the outer rib, and sandwiched to sandwich the first web And upper and lower support pieces sandwiching the second flange at the lower end of the groove portion into which the second web of the positioning rib is inserted, and the upper and lower support pieces form holes of the misalignment prevention portion. A through hole is provided.

  In the invention which concerns on Claim 6, the said position shift prevention part can form the said hole part by aligning with the said through-hole in the groove part which inserts the 2nd web of the said positioning rib, and an inner peripheral surface A rubber plate having a through hole provided with a notch is provided.

The invention according to claim 7 is characterized in that a non-slip tape having the entire length of the upper plate portion extending in the longitudinal direction and having a rough surface is attached to the upper surface of the upper plate portion .

According to the first aspect of the present invention, the end of the stiff plate body of the corrugated board body is covered with the end substrate portion of the edge cap and is not touched by the human body. An operator who assembles and disassembles the plate can be prevented from being injured, and safety is ensured. The edge cap does not protrude above the upper surface of the corrugated plate body, and a flat surface is formed even when a plurality of edge caps are used side by side. Therefore, the user who climbed up kicks, falls, does not fall, and can be used safely. Also, when used as a shelf for display and storage of goods, it is placed in a stable position on a flat surface, so that it can produce a well-organized display and does not rattle. Even when the target product is operated, the handling property is not impaired. Further, sufficient bending rigidity is obtained by the reinforcing rib portion, and the step plate can be stably installed by the positioning rib.

In the invention according to claim 2, the edge cap, it is possible to stably mounted to, falling can be prevented, also in the invention according to claim 4, the bending strength of the stage plate is reinforced by the first, second web, And stable installation is attained by the horizontal mounting surface formed of the 1st, 2nd flange.

  In the invention according to claim 5, the sandwiching piece sandwiches the first web to prevent the edge cap from being displaced in the horizontal direction, and the upper and lower support pieces sandwich the second flange so as to move up and down. Since it is prevented from shifting, the edge cap can be mounted stably. Further, the step plate is prevented from being displaced by the through hole into which the positioning pin is inserted, and can be stably attached.

  In the invention according to claim 6, the rubber plate grips the positioning pin fitted in the through hole to prevent the rubber plate from coming off, thereby preventing the step plate from falling off and maintaining a stable installation state.

  In the invention according to claim 7, since the slip of the upper surface of the upper plate portion is suppressed by the anti-slip tape adhered over the entire length in the longitudinal direction of the corrugated plate main body, particularly when used when it rains, etc. It is possible to prevent the riding user from slipping and falling or falling, thereby improving safety.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. The corrugated board 1 is a stage for taking photos, a stage for athletics, parades, etc., a stage for holding various events, speeches, dramas, etc., a morning table, a product display, a shelf for storage, and other steps. As shown in FIG. 2, a rectangular plate-shaped step plate main body 32 and an edge cap 33 that covers an end portion of the step plate main body 32 are used. In this embodiment, as shown in FIG. 1, both ends are supported on a support frame 6 including a side frame 5 arranged in parallel and a joint member 3 that couples the side frame 5 in a foldable manner. Although the case is illustrated, it can also be used by directly supporting the structure such as spanning a groove on the floor surface.

  As shown in FIG. 2, the step plate main body 32 includes a flat long rectangular upper plate portion 30 and a reinforcing rib portion 31 provided at a lower portion of the upper plate portion 30. The upper plate part 30 has a plurality of shallow grooves 61 for preventing slippage, which are provided on the upper surface of the upper plate part 30 in the longitudinal direction and in the width direction. The length is, for example, about 500 to 2000 mm, preferably 700 to 1500 mm, and 900 mm in this embodiment. The width is, for example, about 150 to 900 mm, preferably 200 to 500 mm, and 300 mm in this embodiment. The upper plate portion 30 may be formed in a regular rectangular shape for applications such as a morning table.

  The upper plate portion 30 has a non-slip tape 55 attached to the upper surface thereof. The anti-slip tape 55 is provided so that the entire length of the upper plate portion 30 extends in the longitudinal direction. In this embodiment, a total of three rows of anti-slip tapes 55 are attached to the center and both sides. The anti-slip tape 55 has a tape width of, for example, about 20 to 200 mm, preferably 30 to 150 mm, and 50 mm in this embodiment. The anti-slip tape 55 can be suitably used by coating a polyester, aluminum foil or other tape base material with a resin layer containing a large number of particles such as lysine, such as anti-skid from Nitto Denko Corporation. A tape (registered trademark) can be adopted. The anti-slip tape 55 prevents slipping of the upper surface of the upper plate portion, and even when used during rain, it is possible to prevent a user riding on the upper plate from slipping and falling, or falling from the corrugated plate, thereby improving safety. Can be increased.

  The reinforcing rib portion 31 includes a plurality of ribs that hang from the lower surface of the upper plate portion 30, extend the entire length of the upper plate portion 30 in the longitudinal direction, and are spaced in the width direction. The rib includes a pair of outer ribs 36 disposed on both sides, a plurality of inner ribs 37 disposed between the outer ribs 36, and positioning ribs 39.

  As shown in FIGS. 3 and 5, the outer rib 36 is formed by bending both side portions of the upper plate portion 30 downward and has a hanging wall shape depending from both side edges of the lower surface of the upper plate portion 30. . A shallow locking groove 41 continuous in the length direction is formed on the outward surface of the hanging wall portion.

  The positioning rib 39 includes a second web 44 depending from the lower surface of the upper plate portion 30 and a second flange 45 extending in the width direction from the lower end of the second web 44 and has a substantially inverted T-shaped cross section. Eggplant. At least one positioning rib 39 is formed between the outer ribs 36. In this embodiment, a pair of positioning ribs 39 are provided adjacent to the inside of the outer rib 36, and each second flange 45 projects greatly outward and has an insertion hole 62 at the end. A pierced ridge 63 is formed.

  The inner rib 37 includes a first web 42 that hangs down from the lower surface of the upper plate portion 30 and a horizontal first flange 43 that projects from the lower end of the first web 42 in the width direction. Make a letter shape. A plurality of the ribs 37 are provided between the positioning ribs 39 at equal intervals.

  In this embodiment, the outer and inner ribs 36 and 37 and the positioning rib 39 are formed so that the hanging length from the upper plate portion 30 is uniform. Moreover, since the inner rib 37 and the positioning rib 39 have first and second flanges 43 and 45 that are horizontal at the lower end, the step board main body 32 can be stably placed on a stand or the like. preferable. The hanging dimension of these ribs is, for example, about 5 to 50 mm, preferably 10 to 30 mm, and 20 mm in this embodiment.

  In the present embodiment, the upper plate portion 30, the outer and inner ribs 36 and 37, and the positioning rib 39 are made of aluminum or non-phthalic acid-based vinyl chloride resin (ATBC-PVC), polyethylene resin, polypropylene resin, polystyrene. It is integrally formed by extrusion molding using a plastic such as resin or ABS resin. Thus, the reinforcing rib portion 31 formed integrally with the corrugated plate main body 32 improves the bending rigidity of the corrugated plate main body 32, and a strong bending strength can be obtained even if it is thin and lightweight.

  As shown in FIGS. 3 and 5, the edge cap 33 includes an upright plate-like end substrate portion 34 and a locking portion 35 protruding from the end substrate portion 34 toward the step plate body 32. The edge cap 33 according to the present embodiment extends from the end substrate portion 34 toward the step plate body 32, and has a large groove portion 64 into which the positioning rib 39 is inserted, and a small width portion into which the inner rib 37 is inserted. A corrugated plate 68 comprising an outer piece 66 having a substantially L-shaped cross-section with a lower end bent outwardly along the inside of the outer rib 36 and an upper piece 67 horizontally connecting these upper portions. Have The edge cap 33 is made of non-phthalic acid vinyl chloride resin (ATBC-PVC), polyethylene resin, polypropylene resin, polystyrene resin, ABS resin, polyethylene terephthalate (PET), phenol resin, melamine resin, urea resin, unsaturated polyester. It can be integrally formed using resin, epoxy resin or the like.

  As shown in FIG. 5, the end substrate portion 34 includes a belt-like upper joint portion 34A that covers the end surface of the upper plate portion 30, and the outer and inner ribs 36, 37, and It comprises a plurality of suspended lower surface portions 34B that cover the end surfaces of the positioning ribs 39 and hang down in a comb-like shape. In this way, the hard and sharp end of the corrugated plate main body 32 is not touched by the human body because the upper plate portion 30 and the reinforcing rib portion 31 are covered with the drooping surface portion 34B of the upper joint portion 34A, respectively. A user who climbs on the corrugated board 1 and an operator who performs an assembling operation or a dismantling work using the corrugated board 1 are prevented from being injured and can be used safely.

  Moreover, the end substrate portion 34 is formed such that its upper end is flush with the upper surface of the upper plate portion 30. Therefore, as shown in FIGS. 4 and 6, the upper surface is formed to be completely flat, and the edge cap 33 protrudes above the upper surface of the step plate main body 32, so that no step is generated at the end of the step plate main body 32. . Therefore, even when a plurality of the corrugated boards 1 are continuously arranged vertically, a flat surface is formed over the entire length including the joint, and as a result, the user climbing up kicks and falls, It can be used safely without causing a fall accident. In addition, when the corrugated board 1 is used as a shelf for displaying and storing articles in a store or a warehouse, it can be placed in a stable posture on a flat shelf, so that an orderly display can be produced and rattling occurs. In addition, it can be handled stably when it is operated on a shelf with electric devices mounted thereon.

  The engaging portion 35 engages with the reinforcing rib portion 31 of the step board main body 32 to hold the edge cap 33 and prevent the falling off portion. In this embodiment, as shown in FIG. The upper and lower support pieces 49 formed on the lower ends of the fitting pieces 46 projecting from the both end portions 34 toward the corrugated plate main body 32, the sandwiching pieces 47 provided on the end substrate portion 34, and the large groove portions 64. It consists of.

  The fitting piece 46 is formed to be approximately the same size as the inner dimension of the locking groove 41 of the step board main body 32, and small length edge pieces 69 and 69 are formed vertically. On the other hand, small lips 70, 70 extending inwardly at the opening edge of the locking groove 41 are formed. When the insertion piece 46 is inserted into the locking groove 41, as shown in FIG. Then, the small lip 70 is engaged and prevented from coming off. As a result, both end portions of the edge cap 33 are securely attached to the corrugated plate body 32. As a result, even if the corner portion of the corrugated plate 1 collides with something, the end portion of the edge cap 33 is prevented from coming off and falling off. This is preferable.

  As shown in FIGS. 3 and 7, the sandwiching piece 47 is formed to extend from the suspended lower surface portion 34 </ b> B of the end substrate portion 34 into the narrow groove portion 65 with a small length. As shown in FIGS. 7 and 8 (C), this clamping piece 47 prevents the edge cap 33 from being displaced in the horizontal direction and from falling off by clamping the fitted first web 42. Yes.

  In this embodiment, the upper and lower support pieces 49 are horizontally extended from the lower support piece 49D formed of the bottom surface of the large groove portion 64 and the side wall of the large groove portion 64, as shown in FIGS. The support piece 49U is illustrated as an example. Then, as shown in FIGS. 7 and 8A, the upper and lower support pieces 49 hold the wide flange portion 63 of the fitted second flange 45 so that the edge cap 33 is displaced in the vertical direction. In addition to preventing and dropping out. As described above, in the present embodiment, the sandwiching piece 47 and the upper and lower support pieces 49 sandwich the reinforcing rib portion 31 and prevent displacement in both the longitudinal and lateral directions, so that the edge cap 33 is stably mounted. .

  Further, the upper piece 67 constituting the vein plate portion 68 of the edge cap 33 is disposed in contact with the lower surface of the upper plate portion 30 of the step plate main body 32 as shown in FIGS. 7 and 8B. Therefore, the edge cap 33 engages with the reinforcing rib portion 31 including the ribs 36 and 37 and the positioning rib 39 inside and outside the step plate main body 32, and the upper piece 67 is attached to the upper plate portion 30 of the step plate main body 32. Since it is prevented from coming off by abutting engagement, it is preferable in that it does not fall off from the corrugated plate main body 32 even when an external force is applied during use and during assembly and disassembly work.

  As shown in FIG. 3, the upper and lower support pieces 49U and 49D are formed with through holes 51 and 51 arranged vertically. Further, a flange piece 71 extending in parallel with the upper support piece 49U is formed on the upper portion of the large groove portion 64, and a rectangular parallelepiped rubber plate is provided between the flange piece 71 and the upper support piece 49U. 54 is inserted. The rubber plate 54 is provided with a vertical through-hole 53 provided with a plurality of cuts 52 arranged in the radial direction on the inner peripheral surface. The rubber plate 54 is made of non-phthalic acid vinyl chloride resin (ATBC-PVC), chloroprene rubber (CR), styrene / butadiene rubber (SBR), isoprene rubber (IR), and other rubber, styrene / olefin / It is formed using a urethane-based / polyester-based thermoplastic elastomer, an ethylene vinyl acetate copolymer (EVA), or the like. In particular, non-phthalic acid vinyl chloride resin (ATBC-PVC) is preferable in terms of high safety.

  As shown in FIGS. 7 and 8A, the corrugated plate main body 32 of the present embodiment includes the through hole 53, the through hole 51 formed in the upper and lower support pieces 49, and the wide flange portion of the second flange 45. The insertion hole 62 formed in 63 is arranged side by side in the vertical direction, and a hole portion 50 that communicates in the vertical direction is formed by the plurality of holes. In the support frame 6, positioning pins 24 are erected on the receiving portion 2 on which the step plate 1 is placed. As shown in FIGS. 7 and 8 (A), the hole 50 has a position where the corrugated plate 1 is installed by inserting the positioning pin 24, and a user who rides on the hole 50 moves. For example, when an external force is applied, it is preferable in terms of preventing displacement. Moreover, the rubber plate 54 is prevented from coming off by gripping the positioning pin 24 fitted in the through-hole 53. As a result, the step board 1 is prevented from falling off, and the installed state is stably maintained. It is preferable in that it can be used safely. In this embodiment, the misalignment prevention unit 38 is configured including the hole 50 and the rubber plate 54.

  When the step plate 1 is used by being laid over the support frame body 6, as shown in FIG. 9A, the plurality of support frame bodies 6 are arranged at substantially the same interval as the length dimension of the step plate 7. If it arrange | positions in a horizontal direction and the step board 1 is continuously mounted in the receiving part 2 without a gap, the step which continues long horizontally can be formed. Further, when a rectangular bar-shaped edge cover 87 formed to the same thickness as the step plate 1 is attached to the receiving portion 2 where the step plate 7 is not continuous, as shown in FIG. This is preferable in that the falling portion can be blocked to prevent whispering.

  The above description is an example of the embodiment of the present invention. Therefore, the technical scope of the present invention is not limited to this, and various modifications are included in addition to the above-described embodiment.

It is a perspective view which illustrates the use condition of one embodiment of this invention. FIG. It is an expansion perspective view of the principal part. It is an expansion perspective view of the state which attached the edge cap of the principal part same as the above. It is the disassembled perspective view which expanded the different principal part. It is an expansion perspective view of the state which attached the edge cap of the principal part same as the above. It is XX sectional drawing of FIG. (A), (B), and (C) are the AA, BB, and CC sectional drawing. (A) is sectional drawing which illustrates another use condition, (B) is sectional drawing which illustrates another use condition. It is a disassembled perspective view which illustrates a prior art example. It is the principal part enlarged view.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Step plate 30 Upper plate part 31 Reinforcement rib part 32 Step plate main body 33 Edge cap 34 End board part 35 Locking part 36 Outer rib 37 Inner rib 38 Position shift prevention part 39 Positioning rib 40 Hanging wall part 41 Locking Groove 42 First web 43 First flange 44 Second web 45 Second flange 46 Insertion piece 47 Holding piece 48 Groove part 49 Upper and lower support pieces 50 Hole part 51 Through hole 52 Cut 53 Through hole 54 Rubber plate 55 Sliding Stop tape

Claims (7)

Consists of a corrugated board body and an edge cap that covers the end of the corrugated board body,
The corrugated plate body is integrally provided with a rectangular plate-like upper plate portion, and a reinforcing rib portion comprising a plurality of ribs extending from the lower surface of the upper plate portion and extending the entire length of the upper plate portion in the longitudinal direction,
Said edge cap, said cover at least the end plate portion and the end face of the end face of the upper plate portion and the reinforcing ribs, and projects and from the end plate portion in the stage plate body forming the end portion of the stage plate body together comprise the engaging and reinforcing ribs engaging portion for preventing falling off maintaining this edge cap,
The end substrate portion has its upper end aligned with the upper surface of the upper plate portion of the corrugated plate body ,
The reinforcing rib part includes at least one positioning rib for forming a misregistration prevention part having a hole for preventing misregistration when the corrugated board is arranged .
  The corrugated board according to claim 1, wherein the edge cap is prevented from coming off by engaging with the upper rib part together with the reinforcing rib part. The reinforcing ribs includes an outer ribs provided on both side edges of the stage plate body, according to claim 1 or 2, characterized in that it comprises a rib of the plurality of disposed between the outer ribs Corrugated board.
The outer rib has a locking groove continuous in the length direction on the outward surface of the hanging wall portion depending from the lower surface of the upper plate portion, and the inner rib is a first hanging from the lower surface of the upper plate portion. A horizontal flange is provided at the lower end of the web, and the positioning rib has a second flange projecting in the width direction at the lower end of the second web depending from the lower surface of the upper plate portion. The corrugated board according to claim 3 .
The locking portion protrudes from the end substrate portion, and is fitted into the locking groove of the outer rib, a clamping piece for clamping the first web, and a second web of the positioning rib. The upper and lower support pieces sandwiching the second flange at the lower end of the groove portion for inserting
The corrugated board according to claim 4, wherein a through hole is provided in the upper and lower support pieces to form a hole of the misalignment prevention unit. The misalignment prevention portion can be formed with a through-hole that can be formed in the groove portion into which the second web of the positioning rib is inserted by aligning with the through-hole and that has a cut in the inner peripheral surface. 6. The corrugated board according to claim 5 , wherein a perforated rubber plate is provided.
The step according to any one of claims 1 to 6, wherein a non-slip tape having an entire length of the upper plate portion extending in the longitudinal direction and a rough surface is attached to the upper surface of the upper plate portion. Board.

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