JPH0559801A - Panel attaching structure - Google Patents

Abstract

PURPOSE:To provide a sufficient fixing strength without using adhesive, and to allow slight variation as necessary so as to prevent a panel body from dropping in cases where an earthquake occurs. CONSTITUTION:An engaging edge 21b of a fixture body 21 of an attaching fixture 20 is aligned with a relieved wall surface 11 of a fixture attaching part on the back surface of a stone plate 10 and then fixture body 20 is pushed toward the stone plate 10. Further, when the fixture body 21 is rotated, the engaging edge 21b is slide along and engaged with an come-off checking circumferential wall surface 11b of the fixture attaching part 11. Thereafter, a long attaching arm 24 is fixed to a protrusion 21a on the fixture body 21 while the other end of the attaching arm 24 is fixed to a built wall surface 30, and accordingly, the stone plate 10 is secured to the wall surface 30.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a panel mounting structure, and more particularly to a panel mounting structure for fixing a panel body such as a stone material to a construction wall surface by a dry construction method.

[0002]

2. Description of the Related Art Conventionally, as this type of panel mounting structure,
The one disclosed in Japanese Patent Laid-Open No. 1-214659 is known.

The panel mounting structure shown in the above publication is directed inward on the back surface of a panel body made of stone or the like (including a stone or tile, or a composite material obtained by laminating stone or tile on the surface of a plaster board or the like). In addition to forming an inclined retaining groove on the periphery, a retaining metal fitting having an inward edge capable of engaging with the retaining groove at the peripheral edge and an anchor bolt at the center is used together with an adhesive. They were fixed together, and the anchor bolts of the pulling metal fittings were fixed to the building side.

[0004]

The above-described conventional panel mounting structure has the following problems. When the retaining metal fittings are engaged with the panel body, in order to obtain sufficient strength, they must be fixed with an adhesive, and it is necessary to wait until the adhesive dries. Not not.

Further, since the retaining metal and the panel body are rigidly connected to each other, relative displacement is impossible, and when the construction wall surface is distorted due to an earthquake or the like, the fixing portion between the retaining metal and the panel body is damaged. However, the panel body may fall off.

The present invention has been made in view of the above-mentioned problems, and a sufficient fixing strength can be obtained without using an adhesive, and a minute fluctuation is allowed when necessary to prevent the panel body from falling off when an earthquake occurs. An object of the present invention is to provide a panel mounting structure that can be used.

[0007]

In order to achieve the above object, the invention according to claim 1 is a panel for fixing the panel body to a construction wall surface or the like by a predetermined mounting bracket on the back side of the panel body such as a stone material. In the body mounting structure, the panel body has a back surface protruding in the thickness direction by a predetermined height, and the peripheral surface has a diameter on the opposite side centered on the shaft center at a predetermined angle on the opposite side. A large retaining circumferential wall surface is formed, and between each retaining circumferential wall surface, a circumferential surface smaller than the diameter of the retaining circumferential wall surface is used as a reference and protrudes in the circumferential direction from the circumferential surface. The mounting metal fittings are provided with an engaging convex portion formed with an escape wall surface, and the mounting metal fitting is bent at both ends of a plate-like body having a predetermined width toward the engaging convex portion inward direction to prevent the engaging convex portion from coming off. Rotating slide while engaging along the circumferential wall surface It is possible and possible to approach and separate in the thickness direction of the engaging convex portion without engaging along the escape wall surface, and the engaging convex portion side at the base connecting the bent portions at both ends. An engaging member having a tightening mechanism that bends in a substantially U-shaped cross-section so as to protrude in the opposite direction and that is tightened in the bending width direction at the protruding portion, and is fixed to the construction wall surface or the like at one end. A mounting arm fixed to the engaging member at the other end is provided.

According to a second aspect of the present invention, there is provided a panel body mounting structure for fixing the panel body to a construction wall surface or the like with a predetermined mounting bracket on the back side of the panel body such as a stone material,
On the back surface of the panel body, a plurality of retaining circumferential wall surfaces that project in the thickness direction by a predetermined height and have a large diameter on the projecting direction side are formed on the peripheral surface, and between the retaining circumferential wall surfaces. Is provided with an engaging convex portion that forms a relief wall surface that does not project in the circumferential direction side from the circumferential surface with a circumferential surface smaller than the diameter of the retaining circumferential wall surface as a reference, and the mounting bracket is The end portion of the plate-shaped body corresponding to the retaining circumferential wall surface of the engaging convex portion is bent toward the engaging convex portion inward direction, and engages along the retaining convex circumferential wall surface of the engaging convex portion. While being rotatable and slidable, it is possible to approach and separate in the thickness direction of the engaging convex portion without engaging along the relief wall surface, and the above-mentioned is provided in the middle base portion of the plate-shaped body. Bend it in a U-shaped cross section so that it protrudes in the direction opposite to the engaging projection side. At the same time, an engaging member having guide windows formed on both sides of the projecting portion and a lateral center portion of the strip-shaped body as a base wall, and both side portions thereof bent in the same direction to form side walls. It is formed as a long body that can be inserted into the guide window of the mating member, is fixed to the construction wall surface at one end, and is inserted into the guide window of the engaging member at the base wall on the other end side. And a mounting arm formed with a standing claw for engaging with the frame portions of both guide windows to prevent the guide window from coming off.

Further, the invention according to claim 3 is a panel body mounting structure for fixing the panel body to a construction wall surface or the like with a predetermined mounting metal fitting on the back side of the panel body such as a stone material. Has a plurality of retaining circumferential wall surfaces that protrude in the thickness direction by a predetermined height on its back surface, and that have a large diameter on the projecting direction side, and that there are The engaging projection is formed with a clearance wall surface that does not project in the circumferential direction from the circumferential surface with a circumferential surface smaller than the diameter of the circumferential wall surface as a reference, and the mounting bracket is a plate-shaped member. The end portion of the engaging protrusion that corresponds to the retaining circumferential wall surface is bent inward in the direction of the engaging protrusion, and is engaged with the engaging protrusion along the retaining circumferential wall surface to rotate while sliding. It is movable and engages along the relief wall. Without making it possible to approach and separate in the thickness direction of the engaging projection without bending, and to bend in a substantially U-shaped cross section so as to project in the direction opposite to the engaging projection side in the middle of the plate-like body. In addition, the engaging member having guide windows formed on both sides of the protruding portion and the lateral center portion of the strip-shaped body as a base wall, and both side portions thereof bent in the same direction to form the side wall. It is formed as a long body that can be inserted into the guide windows of the mating member, and when one end is inserted into the guide windows of the engaging member, it engages with the frame portions of both guide windows to prevent coming off. The engaging mechanism is formed, and the other end of the base wall is provided with a mounting arm having a convex portion of a predetermined height protruding toward the construction wall surface side.

According to a fourth aspect of the present invention, in the panel mounting structure according to the third aspect, the convex portion of the mounting arm is adjustable in height with the first convex portion having a fixed height. The second convex portion is provided.

[0011]

In the inventions according to claims 1 to 4 configured as described above, the bent portion of the engaging member in the mounting metal fitting is aligned with the clearance wall surface of the engaging convex portion on the rear surface of the panel body, and the engaging member is attached. Push it toward the panel side, and further,
When the engaging member is rotated, the bent portion engages while sliding along the retaining circumferential wall surface of the engaging protrusion.

After that, when the mounting arm is fixed to the projecting portion of the engaging member and the other end of the mounting arm is fixed to the construction wall surface, the panel body is fixed to the construction wall surface through the mounting bracket.

That is, since the engaging member engages with the engaging convex portion of the panel body in a concavo-convex manner by rotation operation to prevent the engaging member from coming off, the engaging member and the engaging convex portion are engaged with each other with sufficient strength. It Further, at this time, even if the retaining is achieved, the rotation is not prohibited, and since the mounting arm formed in a long body is supported between the engaging member and the construction wall surface, a slight Allows for misalignment and distortion, and prevents damage to the fixing parts between the mounting bracket and the panel in the event of an earthquake.

Further, in the invention according to claim 1, in particular, the tightening mechanism tightens the protruding portion bent in a substantially U-shaped cross section in the bending width direction, so that the engaging protrusion is stronger at the bent portions at both ends. Tighten the circumferential wall surface of the retaining part to strengthen the engagement strength.

On the other hand, according to the second aspect of the present invention, the elongated mounting arm is inserted into the guide windows formed on both sides of the protruding portion of the engaging member having a substantially U-shaped cross section. The engagement mechanism formed on the base wall of the mounting arm engages with the frame portions of both guide windows to prevent the mounting arm and the engaging member from coming off.

Further, in the invention according to claim 3, guide windows are formed on both sides of the protruding portion of the engaging member which is bent in a substantially U-shaped cross section, and the guide window is formed in the guide window. When the mounting arm formed in the elongated body is inserted, the standing claw formed on the mounting arm engages with the frame portions of both guide windows to fix the mounting arm and the engaging member, and the mounting arm is mounted in this state. When the metal fitting is brought closer to a flat wall surface, the projecting portion of the engaging member and the convex portion of the mounting arm come into contact with the wall surface, and the panel body supported by the mounting arm has the convex portion with respect to the wall surface. It is fixed at the desired angle according to the height of.

In the invention according to claim 4, in the panel mounting structure according to claim 3, when the wall surface is flat, the first convex portion of the fixed height of the mounting arm abuts on the wall surface. When the wall surface is not flat, the height-adjustable second convex portion abuts on the wall surface, and the height is adjusted so that the mounting arm has a desired angle with respect to the wall surface.

[0018]

As described above, according to the present invention, the panel body can be fixed to the construction wall surface or the like by a complete dry construction method without using an adhesive or the like, and the metal fitting and the panel body are fixed. It is possible to provide a panel mounting structure capable of allowing a slight relative displacement in a part and preventing damage to the fixed part.

Further, according to the first aspect of the present invention, it becomes easy to enhance the engagement strength between the panel body and the fitting.

Further, the invention according to claim 2 facilitates assembling of the mounting metal member including the engaging member and the mounting arm, and the mounting arm has a pair of standing claws formed on the base wall of the mounting arm. It is easy to manufacture.

According to the third and fourth aspects of the invention, when fixing the mounting member to the flat wall surface, it becomes easy to fix the panel body at a desired angle with respect to the wall surface.

[0022]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing a configuration of a panel mounting structure according to an embodiment of the present invention. In this embodiment, it is assumed that a substantially square stone material is used as the panel body, and that it is attached to the construction wall surface at the four corners of the back surface thereof via the attachment fittings.

In the figure, a doughnut-shaped groove is dug in the back surface of the stone material 10 (on the side where the stone material is to be constructed in the building), and an island-shaped metal fitting mounting portion (engagement convex portion) 11 is formed in the central portion. ing.

As shown in the upper surface of FIG. 2, the metal fitting mounting portion 11 is formed into a substantially columnar body, and the escape wall surfaces 11a (11a1 and 11a2) forming a circumference having a constant diameter and the rear surface side. A pair of tapered retaining circumferential wall surfaces 11b (11b1, 11b2) each having a gradually increasing diameter are alternately formed.

The fitting 20 has a fitting body (engaging member) 21 that engages with the fitting mounting portion 11. The metal fitting body 21 is formed by bending a strip-shaped steel plate having a substantially oval shape. A protrusion 21a bent in a U-shaped cross section is formed at the center and the protrusions () are formed at both ends. The locking edge (bending portion) 21b (21) bent slightly inward while drawing an arc on the side opposite to the protruding direction of the protruding portion 21a
b1, 21b2) are formed.

The locking edge 21b has a shape substantially along the retaining wall surface 11b, but the locking edge 21b has a steeper angle, and when the both are engaged, the locking edge 21b is formed.
The tip of b is in contact with the metal fitting mounting portion 11 so that the root of the locking edge 21b does not contact the corner of the back surface side of the metal fitting mounting portion 11. Further, the width of this locking edge 21b is at least shorter than the width of the escape wall surface 11a in the metal fitting mounting portion 11.

The projecting portion 21a has a base portion 2 for connecting the side portions 21a1, 21a2 and the side portions 21a1, 21a2.
1a3, and rectangular engaging windows (guide windows) 22 (22a, 22b) are formed on both side parts 21a1, 21a2 at the central portions in the width direction and at positions facing each other. As shown in FIGS. 3 and 4, the windows 22a and 22b are formed on the side portions 21a1 and 21a2 at positions biased toward the base portion 21a3.

Further, holes 21c1, 21c2 are formed on both sides of each of the engagement windows 22a, 22b by a fastener 23 composed of two sets of bolts 23a (23a1, 23a2) and nuts 23b (23b1, 23b2). And hole 21d
1, 21d2 (not shown) are formed.

The mounting metal fitting 20 has a mounting arm 24 for fixing the metal fitting body 21. The mounting arm 24 is a strip-shaped steel plate having a long rectangular shape and has a U-shaped cross section in its lateral direction. The outer shape is formed so that it can be loosely fitted by being inserted into the engagement window 22 of the metal fitting body 21.

The mounting arm 24 is bent in a U-shaped cross section and has side walls 24b1 and 24b2 connected to both sides of the base wall 24a. The mounting arm 24 is mounted on the base wall 24a. When the fitting window 22a is inserted into the window 22,
Standing claws 24a1 and 24a2 that face and engage with the frame of 22b are cut out and raised.

Further, the standing claw 2 on the base wall 24a.
4a1 and 24a2 are formed on the opposite side to the outside, and the circular height adjusting portion 24a4 is formed by extruding outward by the thickness of the steel plate of the metal fitting body 21 and at the center of which a through hole 24a3 is formed. Is provided, and a screw hole 24a5 is formed between the height adjusting portion 24a4 and the end surface of the base wall 24a, and the screw 25 protruding from the inside of the mounting arm 24 toward the outside is formed in the screw hole 24a5. Are screwed together.

Next, a method of using this embodiment having the above structure will be described. First, the locking edge 21 in the metal fitting body 21
b1 and 21b2 are aligned with the escape wall surfaces 11a1 and 11a2 of the metal fitting mounting portion 11 of the stone 10, and the metal fitting body 21
Is pushed toward the metal fitting mounting portion 11. When the tip of the locking edge 21b is pushed to the base of the metal fitting mounting portion 11, the protrusion 21a of the metal fitting body 21 is gripped and rotated about 90 degrees.

The tip of the locking edge 21b is inclined inward, and the retaining circumferential wall surfaces 11b1 and 11b2 are tapered so that the diameter gradually increases in the protruding direction. When the metal fitting body 21 is rotated by 90 degrees, the two locking edges 21b1, 21b2 are gripped by the retaining circumferential wall surfaces 11b1, 11b2, and the metal fitting body 21 and the metal fitting mounting portion 11 are fixedly engaged with each other. ..
At this time, the base of the locking edge 21b and the metal fitting mounting portion 11
The peripheral edge corners on the rear surface side of the above are prevented from coming into contact with each other to prevent the brittle and easily damaged same corners from coming into contact with the locking edge 21b and being damaged.

After that, the standing claw 2 on the mounting arm 24
4a1 and 24a2 are formed on the mounting arm 2 from the end on the side
4 is inserted into the engagement windows 22a and 22b provided on the protrusion 21a. At the time of insertion, one of the standing claws 24a2 is pushed into the inside of the mounting arm 24 by the frame of the engagement window 22a,
When it is further inserted, the other standing claw 24a1 is engaged with the engaging window 2
While abutting on the frame of 2a, the stand-up claw 24a2 comes out from the engaging window 22b on the opposite side to the outside and abuts on the frame.

That is, the standing claws 24 formed inwardly on the base wall 24a of the mounting arm 24 with the mounting arm 24 penetrating the engagement windows 22a and 22b of the protrusion 21a.
Since the a1 and 24a2 engage with and sandwich the frames of the engagement windows 22a and 22b, respectively, the two are engaged and fixed in a state where there is no play, and the mounting arm 24 is prevented from coming off in the axial direction.

Next, the bolts 23a1, 23a2 are inserted into the holes 21c1, 21c2 of the side portion 21a1 of the projecting portion 21a, and the holes 21c1, 21c2 of the opposite side portion 21a2 are inserted.
Then, the nuts 23b1 and 23b2 are screwed together.

However, before fastening the bolts 23a and the nuts 23b, the angle between the fitting 20 and the stone 10 is adjusted. FIG. 5 shows the adjacent stone materials 10 on the construction wall surface, and the mounting arm 24 is vertically arranged because the metal fitting mounting portion 11 is formed at the same position on the back surface of the panel-shaped stone material 10 having the same size. Instead, make it diagonal as shown in the figure. Regarding this angle, a mark such as a cut may be preliminarily attached to the metal fitting mounting portion 11. Then, after adjusting the angle, the bolt 23a and the nut 23b of the fastener 23 are tightened.

The above is carried out for the metal fitting mounting portions 11 at the four corners provided on the back surface of the stone 10.

As shown in FIG. 6, on the construction wall surface 30, a U-shaped furring strip 31 having an upward cross-section and a metal fitting 3 having an L-shaped cross-section are previously formed.
2 is welded and fixed, and the metal fitting 32 is attached to the construction wall surface 30.
It is fixed with a bolt 33.

The height adjusting portion 24a4 provided at the end of the mounting arm 24 is aligned with the furring strip 31, and the body is fixed by the fixing bolt 34 through the through hole 24a3 formed at the center of the height adjusting portion 24a4. Fasten to the edge 31.

After the step of mounting the stone material 10 is completed, the wall surface is completed by filling the joints between the adjacent stone materials 10 with the elastic sealing.

In the embodiment described above, the construction wall surface 30
Although the mounting arm 24 is fixed to the furring strip 31 which is floated and held from above, when the construction wall surface 30 has a good finish, the mounting arm 24 is directly constructed without using the furring strip 31. It can also be fixed to the wall surface 30.

At this time, as shown in FIG.
Although a contacts the construction wall surface 30 on the surface of the base portion 21a3, the base wall 24a of the mounting arm 24 is in a state of floating from the construction wall surface 30 by the thickness of the base portion 21a3. Therefore, the standing claws 24a1 and 24a1 and 24a2 of the mounting arm 24.
4a2 is provided on the end opposite to the side where the height adjusting portion 2 is provided.
4a4 projects to the side of the construction wall surface 30, and the construction wall surface 3
If 0 is flat, the mounting arm 24 can be fixed vertically by bringing the height adjusting portion 24a4 into contact with the construction wall surface 30.

However, in FIG. 8, this construction wall surface 3
0 is slightly inclined, and shows a case in which the mounting arm 24 cannot be fixed vertically only by the height adjusting portion 24a4 contacting the construction wall surface 30. For this reason,
A screw 25 is screwed from the inside of the mounting arm 24 into a screw hole 24a5 provided further on the end side than the height adjusting portion 24a4, and the screw 25 is projected outward from the base wall 24a to form a base wall. The distance between 24a and the wall surface 30 is adjusted.

As a result, the mounting arm 24 can be fixed vertically regardless of the state of the construction wall surface 30.

As for the height adjusting portion 24a4, a double screw 26 is formed as shown in FIG. 9, the height is adjusted by the outer screw 26a, and the mounting metal fitting 20 is fixed by the inner screw 26b. You may make it attach to the construction wall surface 30.

As described above, according to this embodiment,
The metal fitting body 21 is formed on the back surface of the stone material 10 without using an adhesive or the like at the work site.
The work of fixing the metal fitting body 21 and the metal fitting mounting portion 11 is completed simply by turning the lid on and turning. Also, the metal fitting body 21
Insert the wearing arm 24 into the
When fixed to the construction wall 30, a small amount of rotation is allowed between the metal fitting body 21 and the metal fitting mounting portion 11, and the mounting arm 2
In No. 4, a slight vibration depending on its rigidity is also allowed, so that even if the construction wall surface 30 is distorted due to an earthquake or the like, it is absorbed by the fitting 20. Therefore, the metal fitting mounting portion 11 is prevented from being damaged, and the possibility of the stone material 10 falling off is reduced.

In the above-described embodiment, the protruding portion 21
Although a is fastened with the fastener 23, when the panel body to be attached is not so heavy, the fastener 2
Even if 3 is not used, sufficient mounting strength can be obtained. Also,
Mounting bracket 20 used to mount one panel body
The number of may be adjusted according to the required mounting strength. Furthermore, depending on the number of attachments, it is possible to shift the position of the mounting arm 24 straight instead of extending it obliquely.

Although the standing claws 24a1 and 24a2 are provided on the base wall 24a, they may be provided on the side walls 24b1 and 24b2. However, when it is provided on the base wall 24a, it is formed on one wall surface, and thus the uplifting work and the like are likely to be facilitated.

Regarding the height adjusting portion 24a4,
It can be omitted if it is not directly attached to the construction wall surface 30.

The disposition of the retaining circumferential wall surface 11b and the escape wall surface 11a in the metal fitting mounting portion 11 is not limited to the above-described example, and may be fixed to the metal fitting mounting portion 11 by rotating the metal fitting body 21. Placement and number (eg,
(As shown in FIG. 10). Also,
The shape in which both are engaged is not limited to the above-mentioned inclined surfaces, but the retaining circumferential wall surface 11b is formed with a flange extending in the outer peripheral direction thereof, and the locking edge 21b is engaged with the flange. It may be U-shaped in cross section.

Further, as shown in FIG. 11, the joint portion is not formed, and the holes 4 having a predetermined depth are formed on the upper and lower end faces of the stone material 10.
1a (41a1, 41a2), 41b (41b1, 41
b2) is formed, and the holes 41a and 41b of the upper end face and the lower end face of the stone material 10 arranged vertically are aligned with each other, and the connecting shaft 42 is inserted into both of them to regulate the deviation. Good. In addition, in order to attach the mounting arm 24 to the metal fitting body 21, although the nut 23 is used in this example, it is also possible to provide a screw hole in the side portion 21a2 of the projecting portion 21a and eliminate them. Also, the upper portion 21a of the protruding portion 21a
3 may be formed wider than that shown in FIG.

[Brief description of drawings]

FIG. 1 is a perspective view showing a configuration of a panel mounting structure according to an embodiment of the present invention.

FIG. 2 is a front view showing a metal fitting mounting portion.

FIG. 3 is a cross-sectional view showing an engaging operation between a metal fitting mounting portion and a metal fitting body.

FIG. 4 is a cross-sectional view showing an engaging operation of the metal fitting mounting portion and the metal fitting main body.

FIG. 5 is a front view showing an arrangement state of stone materials.

FIG. 6 is a perspective view showing a mounting state of a stone material on a construction wall surface.

FIG. 7 is a cross-sectional view showing a mounting state of a stone material on a construction wall surface.

FIG. 8 is a cross-sectional view of a case where a mounting bracket is directly attached to a construction wall surface.

FIG. 9 is a cross-sectional view showing a modified example of the height adjusting portion.

FIG. 10 is a front view showing a modified example of the metal fitting mounting portion and the metal fitting main body.

FIG. 11 is a front view showing a construction method when a joint portion is not formed.

[Explanation of symbols]

 10 ... Stone material 11 ... Metal fitting mounting part 11a1, 11a2 ... Escape wall surface 11b1, 11b2 ... Retaining circumferential wall surface 20 ... Mounting metal fitting 21 ... Metal fitting body 21a ... Projection part 21a1, 21a2 ... Side part 21a3 ... Base part 21b1, 21b2 ... Locking Edges 22a, 22b ... Engaging windows 23 ... Fasteners 24 ... Mounting arms 24a ... Base walls 24a1, 24a2 ... Standing claws 24a4 ... Height adjusting portions 24a5 ... Screw holes 24b1, 24b2 ... Side walls 25 ... Screws 26 ... Double screws 26a … Screw 26b… Screw 30… Construction wall

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Sumio Nezu 15-2 Sumiyoshi-cho, Yokkaichi-shi, Mie Chiyodaute Co., Ltd. (72) Inventor Tetsuya Katayama 15-2 Sumiyoshi-cho, Yokkaichi-shi, Mie Chiyodaw (72) Inventor Koichi Nakano 15-2 Sumiyoshi-cho, Yokkaichi-shi, Mie Chiyoda Ute Co., Ltd. (72) Inventor Ryota Asai 5-29 Hiroji Honcho, Showa-ku, Nagoya

Claims (4)

[Claims] 1. A panel body mounting structure for fixing the panel body to a construction wall surface or the like with a predetermined mounting bracket on the back surface side of a panel body such as a stone material, the panel body having a predetermined height on the back surface thereof. Only in the thickness direction, and on the circumferential surface, on the opposite side around the axis, form a retaining circumferential wall surface with a larger diameter on the projecting direction side over a predetermined angle, and An interlocking convex portion is formed between the engaging wall portion and a relief wall surface that does not project in the circumferential direction from the circumferential surface with a circumferential surface smaller than the diameter of the retaining circumferential wall surface as a reference. , Both ends of a plate-like body having a predetermined width are bent toward the inside of the engaging projections, and are rotatable and slidable while engaging along the retaining circumferential wall surface of the engaging projections. It does not engage along the escape wall The engaging protrusions can be moved toward and away from each other in the thickness direction, and the base portion connecting the bent portions at both ends is bent in a substantially U-shaped section so as to project in the direction opposite to the engaging protrusion side. The projecting portion is provided with an engaging member having a tightening mechanism for tightening in the bending width direction, and a mounting arm fixed to the construction wall surface or the like at one end and fixed to the engaging member at the other end. Panel mounting structure characterized by a different structure. 2. A panel body mounting structure for fixing the panel body to a construction wall surface or the like with a predetermined mounting bracket on the back surface side of a panel body such as a stone material, the panel body having a predetermined height on the back surface thereof. Only in the thickness direction, and a plurality of retaining circumferential wall surfaces with a large diameter on the projecting side are formed on the peripheral surface, and between each retaining circumferential wall surface is larger than the retaining circumferential wall surface diameter. The engaging projection is formed with a relief wall that does not project in the circumferential direction from the circumferential surface with the smaller circumferential surface as a reference, and the mounting bracket prevents the engagement projection of the plate-shaped body from coming off. Bend the end portion corresponding to the circumferential wall surface toward the inner side in the engaging convex portion direction,
It is possible to rotate and slide while engaging along the retaining circumferential wall surface of the engaging convex portion, and to approach and separate in the thickness direction of the engaging convex portion without engaging along the escape wall surface. In addition, the plate-shaped body is bent in a substantially U-shaped cross-section at the base part in the middle so as to project in the direction opposite to the engaging convex part side, and guide windows are provided on both sides of the projecting part. The formed engaging member and the lateral center portion of the strip-shaped body serve as a base wall, and both side portions thereof are bent in the same direction to form a side wall, which is long enough to be inserted into the guide window of the engaging member. It is formed on the body and is fixed to the above-mentioned construction wall surface at one end, and when it is inserted into the guide window of the above-mentioned engaging member on the base wall on the other end side, it engages with the frame portions of both guide windows and comes off. And a mounting arm formed with a standing claw for stopping. Flannel mounting structure. 3. A panel body mounting structure for fixing the panel body to a construction wall surface or the like with a predetermined mounting bracket on the back side of the panel body such as a stone material, wherein the panel body has a predetermined height on the back side thereof. Only in the thickness direction, and a plurality of retaining circumferential wall surfaces with a large diameter on the projecting side are formed on the peripheral surface, and between each retaining circumferential wall surface is larger than the retaining circumferential wall surface diameter. The engaging projection is formed with a relief wall that does not project in the circumferential direction from the circumferential surface with the smaller circumferential surface as a reference, and the mounting bracket prevents the engagement projection of the plate-shaped body from coming off. Bend the end portion corresponding to the circumferential wall surface toward the inner side in the engaging convex portion direction,
It is possible to rotate and slide while engaging along the retaining circumferential wall surface of the engaging convex portion, and to approach and separate in the thickness direction of the engaging convex portion without engaging along the escape wall surface. In addition, in the middle of the plate-like member, the plate is bent in a U-shaped cross section so as to project in the direction opposite to the engaging convex part side, and guide windows are formed on both sides of the projecting portion. The engaging member and the central part of the strip plate in the lateral direction are used as base walls, and both side parts thereof are bent in the same direction to form side walls to form a long body that can be inserted into the guide window of the engaging member. At the same time, an engaging mechanism is formed at one end for engaging with the frame portions of both guide windows to prevent coming off when inserted into the guide windows of the engaging member, and the base wall at the other end is provided with the above-mentioned It was configured with a mounting arm formed with a convex portion of a predetermined height protruding to the construction wall surface side A panel mounting structure characterized in that 4. The panel mounting structure according to claim 3, wherein the convex portion of the mounting arm has a fixed first convex portion and a height adjustable second convex portion. Panel mounting structure characterized by being configured.