JP5746931B2 - Panel body - Google Patents

Description

  The present invention relates to a panel body such as a door body or a partition.

  Patent Document 1 discloses a panel body in which a core material is provided between an outer steel plate and an inner steel plate. In the panel body of this Patent Document 1, steel skeletons (frames) are assembled on the four sides, the inner steel plate is bonded to the inner side of the core material and the four-span skeleton, and the outer steel plate is bonded to the outer side surface. Yes. Moreover, the end cover which hides a hard bone is attached to the upper and lower ends of a panel body.

JP 2002-349153 A

  However, since the panel body of Patent Document 1 is provided with steel bulges on the four sides or an end cover that hides the bulges, there is a problem that the number of parts increases and the weight of the panel body increases. There was a problem that the cost was high.

  Accordingly, an object of the present invention is to provide a panel body that can reduce the number of parts, is lightweight, and is inexpensive to manufacture.

The invention described in claim 1 includes an outer steel plate, an inner steel plate, and a core disposed between the outer steel plate and the inner steel plate, and the outer steel plate and the inner steel plate are respectively an upper expected surface and a lower expected surface. Left and right vertical prospective surfaces, and the upper and lower prospective surfaces of at least one of the outer steel plate and the inner steel plate, and at least one of the left and right vertical prospective surfaces have a groove in the longitudinal direction of the prospective surface. Yes formed, the expected surface facing the estimated plane of concave of one of the steel sheet of the respective estimated plane is formed in the other steel sheet, ridges are we projecting toward the expected surface of one steel plate Yes formed in the longitudinal direction of the expected surface, there when both the fitting position of the concave and convex by polymerizing the likelihood surface each other which faces fitted ridges of the other steel sheet concave of one steel plate characterized in that the steel sheet to each other at a position as Fig prospective direction is fixed by the fixing means from.

According to the first aspect of the present invention, one steel plate of the outer steel plate and the inner steel plate is formed with a groove on at least one of the left and right sides and the upper and lower expected surfaces, and is projected on the opposite expected surface of the other steel plate. Since the ridges are formed and the ridges and ridges are fitted, even if there are no strong ribs around the four sides of the panel, the required strength is that the ridges and ridges become ribs on at least three prospective surfaces. Can be obtained.
The steel frame is not required on the four sides of the panel body, and the end cover that hides the power frame is not required at the end of the panel body. Therefore, the number of parts can be reduced, the weight can be reduced, and the manufacturing cost can be reduced. it can.
In the panel body of the present invention, it is possible to prevent torsion occurring in the left and right prospective directions by the upper and lower expected surfaces where the concave stripes and the convex stripes are fitted. Further, the concave and convex lines are fitted to each other on the left and right prospective surfaces, so that vertical deflection due to thermal warpage can be prevented.
In the case of the prior art in which the core material and the steel plate are fixed only with the adhesive, a tape for temporarily fixing until the adhesive is solidified is necessary, but in the panel body of the present invention, the steel plates are fixed to each other. In this respect, the manufacturing cost can be reduced.

It is a figure of the panel body concerning this Embodiment, and is AA sectional drawing shown in FIG. It is a figure of the panel body concerning this Embodiment, and is BB sectional drawing shown in FIG. It is the front view which looked at the panel body concerning this Embodiment from the outdoor side. It is a figure of an inner steel plate, (a) is a front view, (b) is a plan view, (c) is a bottom view, (d) is a right side view, and (e) is a left side view. It is CC sectional drawing shown in FIG. It is DD sectional drawing shown in FIG. It is a figure of an outer steel plate, (a) is a front view, (b) is a plan view, (c) is a bottom view, (d) is a left side view, and (e) is a right side view. It is EE sectional drawing shown in FIG. It is FF sectional drawing shown in FIG. In the panel body concerning this Embodiment, it is a perspective view which shows attachment of the cap of a hanging origin side corner part. In the panel body concerning this Embodiment, it is a perspective view which shows attachment of the cap of a door-end side corner part. The development view and assembly drawing of the inner steel plate and the outer steel plate are shown, (a) is the development drawing of the outer steel plate, (b) is the assembly drawing of the outer steel plate, (a) is the development view of the inner steel plate, (B) is an assembly drawing of the inner steel plate. It is an enlarged view of the G section shown in FIG. It is an enlarged view of the H section shown in FIG. It is an assembly process figure of the panel body concerning this Embodiment.

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. The panel body 1 which concerns on this Embodiment is a door main body of a heat-and-fire prevention door, as shown in FIGS.
As shown in FIGS. 1 and 2, the panel body 1 includes an outer steel plate 3, an inner steel plate 5, and a core material 7 disposed between the outer steel plate 3 and the inner steel plate 5. As shown in FIG. 2, the hinge 9 is attached to the suspension base side of the panel body 1, and the latch bolt 11 and the smoke return 13 are attached to the door end side. In the description of this embodiment, the suspension side is the right side and the door end side is the left side. For example, the front view of the inner steel plate 5 shown in FIG. 4 and the front view of the outer steel plate 3 shown in FIG. Then the left and right are reversed.

As shown in FIG. 4, the inner steel plate 5 has an upper expected surface 5a, a lower expected surface 5b, a right vertical expected surface 5c (hanging side expected surface) and a left vertical expected surface (door side expected surface) 5d. As shown in FIG.4 and FIG.5, the concave line 15 which carried out the drawing process is formed in the upper surface 5a and the lower surface 5b over the whole longitudinal direction of the surface.
As shown in FIGS. 4 and 6, the inner steel plate 5 has a recess 15 which is also drawn on the right vertical expected surface 5c formed in the longitudinal direction of the right vertical expected surface 5c. In 5c, it forms except the attachment location of the hinge backplate 17 (refer FIG. 2). In addition, the groove 15 is not formed in the left vertical expected surface (door side expected surface) 5d of the inner steel plate 5.

As shown in FIGS. 7 to 9, the outer steel plate 3 includes an upper expected surface 3a, a lower expected surface 3b, a right vertical expected surface (hanging side expected surface) 3c, and a left vertical expected surface (door side expected surface) 3d. As shown in FIGS. 7 and 8, the upper prospective surface 3a and the lower prospective surface 3b are formed in such a manner that the ridges 19 bent so as to fold back the indoor side end portions of the prospective surfaces 3a and 3b in the entire longitudinal direction. It is formed over. As shown in FIGS. 7 and 9, the right vertical prospecting surface 3 c is also formed with a ridge 19 in the longitudinal direction of the prospective surface. The convex ridge 19 of the right vertical prospecting surface 3 c is attached to the hinge back plate 17. It is formed except for the part. Note that the ridges 19 are not formed on the left vertical expected surface 3 d of the outer steel plate 3.
As shown in FIG. 1, the protrusions 19 of the outer steel plate 3 are fitted to the recesses 15 of the inner steel plate 5 with the upper expectation surface 3 a of the outer steel plate 3 superimposed on the upper expectation surface 5 a of the inner steel plate 5. The upper expected surface 5 a of the inner steel plate 5 and the upper expected surface 3 a of the outer steel plate 3 are fixed by rivets 21. Similarly, on the lower expected surface 5b of the inner steel plate 5 and the lower expected surface 3c of the outer steel plate, the ridges 19 are fitted to the respective concave stripes 15, and the lower expected surface 5b of the inner steel plate 5 and the lower expected surface of the outer steel plate 3c is fixed with a rivet 21.

As shown in FIGS. 2 and 15, the right vertical expected surface 5 c of the inner steel plate 5 and the right vertical expected surface 3 c of the outer steel plate 3 are fitted with the ridges 19 of the outer steel plate 3 to the concave strips 15 of the inner steel plate 5. The steel back plate 17 is fixed to the hinge 9 with a tap screw 25.
On the left vertical expected surface 5d of the inner steel plate 5, the left vertical expected surface 3d of the outer steel plate is overlapped, and a locking frame 23 is fixed to the inner peripheral side by a tap screw 25.
The core material 7 is a heat insulating material.

Next, the manufacturing method, operation, and effect of the panel body 1 according to the present embodiment will be described. As shown in the development view of the outer steel plate 3 in FIG. 12 (a), the outer steel plate 3 is formed with the upper expected surface 3a, the lower expected surface 3b, the right vertical expected surface 3c and the left vertical expected surface 3d, Bends 19 are formed by bending the end portions of the upper expected surface 3a, lower expected surface 3b, and right vertical expected surface 3c, and as shown in FIG. 12 (b), each expected surface 3a, 3b, 3c, Fold 3d. As shown in FIGS. 1 and 2, the thickness of the ridges 19 is the same as or slightly shallower than the depth of the recesses 15.
As shown in the developed view of FIG. 12C, the inner steel plate 5 forms portions that become the upper expected surface 5a, the lower expected surface 5b, the right vertical expected surface 5c, and the left vertical expected surface 5d, and the upper expected surface 5a. After forming the recess 15 in the portion that becomes the lower expected surface 5b and the right vertical expected surface 5c, the expected surfaces 5a to 5d are folded as shown in FIGS. Assemble the inner steel plate 5.
In the unfolded state shown in FIG. 12 (c), the concave stripes 15 are formed by drawing the concave stripes by turret punching in the portions that become the respective upper expected surfaces 5a, lower expected surfaces 5b, and right vertical expected surfaces 5c. It is formed while moving sequentially in the direction.
As shown in FIG. 5, the folding angle R of each of the prospective surfaces 5a, 5b, and 5c with respect to the finding surface is preferably an acute angle, for example, 38 degrees to 40 degrees.

Next, as shown in FIG. 15A, the hinge back plate 17 is fixed to the right vertical expected surface 5c of the indoor side steel plate 5 with the tap screw 25, and the lock side frame 23 is fixed to the left vertical expected surface 5d. Secure with. Thereafter, as shown in FIG. 15 (b), the lock side spacer 27, the closer wood 29 and the core material 7 are arranged on the inner peripheral side of the indoor side steel plate 5, and as shown in FIG. 15 (c), the outdoor side As shown in FIGS. 1 and 2, the steel plate 3 is assembled to the indoor side steel plate 5, and the concave strips 15 formed on the upper expected surface 5a, the lower expected surface 5b, and the right vertical expected surface 5c, respectively, as shown in FIGS. The ridges 19 formed on the corresponding prospective surfaces 3 a, 3 b, 3 c of the corresponding outdoor steel plate 3 are fitted, and the upper prospective surface 3 a of the outer steel plate 3 and the upper prospective surface 5 a of the inner steel plate 5 are fixed by the rivets 21. The bottom surface 3 b of the outer steel plate 3 and the bottom surface 5 b of the inner steel plate 5 are fixed with rivets 21.
Note that an adhesive is applied between the core member 7 and the outer side surface of the outer steel plate 3 and between the core member 7 and the inner side surface of the inner steel plate 5 to be bonded and fixed.
Then, as shown in FIG. 10, the corner caps 33 are fixed to the upper and lower ends of the suspension body side of the panel body 1 with screws 37, and the corner caps 35 are attached to the upper and lower ends of the door end as shown in FIG. Secure with screws 37.

According to the panel body 1 concerning this Embodiment, as shown in FIG.1 and FIG.2, the longitudinal direction of an expected surface is respectively on the upper expected surface 5a of the inner steel plate 5, the lower expected surface 5b, and the right vertical expected surface 5c. The panel 15 is formed by forming the ridges 15 that have been drawn and formed in the longitudinal direction of the upper expected surface 3a, the lower expected surface 3b, and the right vertical expected surface 3c of the outer steel plate 3. Since the ribs 15 and the ridges 19 are fitted on three sides to form the ribs, the required strength can be obtained even if there are no strong ribs around the four sides of the panel.
The steel frame as in the prior art is not required on the four circumferences of the panel body 1, and the end portions (probable surfaces) of the four circumferences of the panel body 1 are the prospective surfaces 3 a to 3 d of the outer steel plate 3 and the inner steel plate 5, Since the 5a to 5d are formed so as to overlap each other, an end cover for concealing the hard bones at the end of the panel body 1 is not required, so that the number of parts can be reduced, the weight can be reduced, and the manufacturing cost can be reduced.
The panel body 1 is fitted with the concave stripes 15 formed on the upper expected surface 5a and the lower expected surface 5b of the inner steel plate 5, and the convex stripes 19 formed on the upper expected surface 3a and the lower expected surface 3b of the outer steel plate 3. Since the ribs are formed in the longitudinal direction on the upper expected surface and the lower expected surface of the panel body, it is possible to prevent the twist that occurs in the left and right expected directions of the panel body 1.
Moreover, since the rib 15 of the right vertical expectation surface 5c of the inner steel plate 5 and the convex stripe 19 of the right vertical expectation surface 3c of the outer steel plate 3 are fitted to each other, a vertical rib is formed. Can be prevented.
Since the outer steel plate 3 and the inner steel plate 5 are fixed to each other, even if the core material 7 and each of the steel plates 3 and 5 are fixed with an adhesive, a tape for temporarily fixing until the adhesive is solidified becomes unnecessary. In this respect, the manufacturing cost can be reduced.
In the panel body 1, the outer steel plate 3 and the inner steel plate 5 are each fixed to the core member 7 with an adhesive, and the upper expected surface and the lower expected surface are fixed with the rivets 21, so that peeling due to deterioration of the adhesive or Lifting can be prevented and fixing strength can be increased.
Since the prospective surfaces 5a, 5b, 5c, and 5d of the inner steel plate 5 corresponding to the prospective surfaces 3a, 3b, 3c, and 3d of the outer steel plate 3 are superposed, only on the outdoor side surface and the indoor side surface as in the prior art. Compared with the case where a steel plate is provided, a gap is generated between the outer steel plate 3 and the inner steel plate 5, and rainwater or the like can be prevented from entering.
On the suspension side expected surface of the panel body 1, a fitting portion between the concave strip 15 formed on the right vertical expected surface 5 c of the inner steel plate 5 and the convex strip 19 formed on the right vertical expected surface 3 c of the outer steel plate 3, and a hinge The entire vertical direction can be firmly fixed by the fixing portion between the back plate 17 and the hinge blade plate 31.
As shown in FIG. 5, each of the prospective surfaces 3 a, 3 b, 3 c of the outer steel plate 3 forming the concave strip 15 is bent at an acute angle with respect to the finding surface, so that the prospective surfaces 5 a, 5 b of the inner steel plate 5 are bent. The 5c ridges 19 are easy to ride on the ridges 15 and are easy to assemble.
As shown in FIG. 1, the concave stripes 15 and the convex stripes 19 are formed at positions offset from the center in the thickness direction on the prospective surface of the panel body 1, so that the prospective faces 3 a, 3 b, 3 c of the outer steel plate 3 The place where the rivet 21 for fixing the prospective surfaces 5a, 5b and 5c of the inner steel plate 5 is secured can be easily secured and it is easy to manufacture.
Since the ridges 19 are folded back at the end of the prospective surface, it is not necessary to expose the cutting edge.

The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the present invention.
For example, the fixing portion by the rivet 21 may be fixing by a screw or ultrasonic vibration welding, and the fixing means is not limited.
The expected dimension of the left vertical expected surface 3d of the outer steel plate 3 may be approximately the same as the expected dimension of the panel body 1, or may be approximately half the dimension, and the expected dimension is not limited.
The panel body 1 is not limited to a door, and may be a partition or the like. For example, in the case of a partition, since a lock part and a latch are not required, the groove 15 is formed in each prospective surface of one steel plate of the outer steel plate 3 and the inner steel plate 5 of the panel body 1, and the other The protrusions 19 may be formed on each prospective surface of the steel plate, and the recesses 15 and the protrusions 19 may be fitted with the expectation surfaces of the four circumferences.
The shape of the concave stripe 15 is not limited. For example, the cross section may be V-shaped or arc-shaped, and the shape of the convex stripe 19 may be V-shaped or arc-shaped in accordance with the shape of the concave stripe 15 as well. Thus, by making the concave strip 15 and the convex strip 19 into a V-shaped cross section or an arc shape, the concave strip 15 and the convex strip 19 can be easily fitted and positioned easily.
The inner strip 5 is not limited to the formation of the recess 15 and the outer steel plate 3 is formed with the protrusions 19, but the inner steel plate 5 may be formed with the protrusion 19 and the outer steel plate 3 may be formed with the recess 15. .

DESCRIPTION OF SYMBOLS 1 Panel body 3 Outer steel plate 3a Top expected surface 3b Lower expected surface 3c Right vertical expected surface (hanging side expected surface)
3d Left vertical view (door side view)
5 inner steel plate 5a upper expected surface 5b lower expected surface 5c right vertical expected surface (hanging side expected surface)
5d Left vertical expected surface (door side expected surface)
7 Core material 15 Concave strip 19 Convex strip

Claims (1)

An outer steel plate, an inner steel plate, and a core disposed between the outer steel plate and the inner steel plate, each of the outer steel plate and the inner steel plate having an upper expected surface, a lower expected surface, and left and right vertical expected surfaces. In the outer steel plate and the inner steel plate, the upper and lower prospective surfaces and at least one of the left and right longitudinal prospective surfaces have concave stripes formed in the longitudinal direction of the prospective surface. the expected surface facing the estimated plane of concave stripes are formed on one of the steel plate of the respective estimated plane, ridges you projecting toward the expected surface of one of the steel sheet is formed in the longitudinal direction of the expected surface There, at a position that figure expected direction fitted to projections of the other steel plate from the fitting position of both concave and convex if there by polymerizing the likelihood surface each other facing the concave of one steel plate A panel body in which steel plates are fixed by fixing means .

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