JP2581936Y2 - Surface grating mounting structure - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure for mounting a screen grid to a building-side member.

[0002]

2. Description of the Related Art A grid 1 mounted on an opening of a building.
Conventionally, (FIG. 11) is often attached to a building-side member 2 (such as a sash frame fixed to a wall surface of a building or an opening of a building) via a metal bracket 3. However, if the metal portion of the bracket 3 is exposed, the color and texture of the surface lattice 1 may be unnatural, which may not be desirable in terms of design. In addition, the heads of the grid-side mounting screws and the building-side mounting screws 5 used for fixing to the building-side member are exposed to the outside and can be easily removed.

[0003] In order to hide the metal part and the screw head of the bracket 3, there is a type in which a metal is coated with a resin to form a resin cover (Japanese Utility Model Laid-Open No. 3-166484).
Special means, such as molding, is required to coat the resin with the bracket and integrate it, which increases the cost of the bracket. Furthermore, the exposed part (head) of the mounting screw is covered with a separately molded cover. It is easy to pry such a cover with a screwdriver or the like to expose the head of the mounting screw, and then remove the surface grid 1. It is.

[0004]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a surface grid mounting structure which is excellent in design and has high security.

[0005]

Means for Solving the Problems [First Configuration] A surface grid is fixed to a building-side member by a plurality of brackets. The bracket includes a bracket body, a mounting base, and a bracket cover. The bracket body includes a grid-side mounting portion, a building-side mounting portion, and a connecting portion that connects both mounting portions. A back plate that can move in the indoor and outdoor directions but cannot be separated, and a pull-in fixing unit that attracts the back plate to the grid-side mounting portion are formed in the grid-side mounting portion. At the hollow member portion on the side of the surface lattice, a penetrating cutout is formed by enlarging the sliding groove at an appropriate interval from the sliding groove.

In each bracket, the building-side mounting portion of the bracket body is fixed to the building via the mounting pedestal, and the lattice-side mounting portion is inserted from the insertion cutout and moved inside the sliding groove portion. The back plate is fixed to the surface grid by pulling the back plate toward the grid-side mounting portion by the pulling means. A bracket cover is attached to a connection portion of the bracket body. The bracket cover is disposed between the indoor side of the surface grid and the outdoor side of the mounting pedestal.

It is preferable to provide the following specific configuration. The position of the insertion and resection portion provided at the hollow member location on the surface lattice is a distance from the bracket mounting position on the surface lattice to the insertion and resection portion than the distance that the surface lattice can move with respect to the bracket fixed to the building side member. Must be provided in places where The pulling means is a bolt-like lattice-side mounting screw, and the indoor projecting end of the screw screwed into the back plate is deformed to prevent the screw from coming off from the back plate. The pulling means is a bolt-like lattice-side mounting screw, and the back plate that can be moved in and out of the room but cannot be separated is assembled with an integrally formed retaining piece to the lattice-side mounting portion of the bracket body. Be configured.

[Second Configuration] A plane grid is fixed to a building-side member by a plurality of brackets. The bracket includes a bracket body, a mounting base, a rigid concealing member, a one-way screw, and a bracket cover. The bracket body includes a grid-side mounting portion, a building-side mounting portion, and a connecting portion that connects both mounting portions. The mounting pedestal includes a recess into which the building-side mounting portion of the bracket body fits.

In each bracket, the grid-side mounting portion of the bracket body is fixed to the surface grid, and the building-side mounting portion is fitted into the recess of the mounting pedestal. Fixed to Further, a concealing member is fitted into the recess to conceal the head of the building-side mounting screw. The concealing member is fixed to the building-side mounting portion of the bracket body by non-removable fixing means. A bracket cover is attached to a connection portion of the bracket body and is disposed between an indoor side surface of the surface grid and an outdoor side surface of the mounting base.

It is preferable to provide the following specific configuration. The non-removable fixing means is a one-way screw for fixing the rigid concealing member to the mounting portion of the bracket body on the building side. The non-removable fixing means is composed of an upright piece having an engaging hole formed facing the building-side mounting portion of the bracket body and engaging pieces formed on both sides of a rigid concealing member, respectively. The concealing member is fixed so that it cannot be removed by hammering the concealing member between the standing pieces.

[Third Configuration] A plane grid is fixed to a building-side member by a plurality of brackets. The bracket is composed of a bracket body, a mounting pedestal, a hook and a bracket cover. The bracket body includes a lattice-side mounting portion, a building-side mounting portion in which an engagement hole into which a leading hook can be fitted is formed in a central portion, and a connecting portion connecting the two mounting portions. The pre-attached hook has a fixed portion that contacts the building-side surface and an engaging portion that is located away from the building-side surface to the outdoor side and has a barbed projection whose lower portion protrudes indoors. The mounting pedestal includes a recess into which the building-side mounting portion of the bracket body fits.

Each of the brackets has a hook attached to the building side with a fixing screw, a grid-side mounting portion of the bracket body is fixed to a plane grid, and a building-side mounting portion is fitted into the recess of the mounting base to be square. The upper edge of the hole is engaged with the engaging portion of the hook and the upper edge is engaged with the lower end of the return projection. The mounting pedestal and the mounting pedestal are fixed to the building side from outside by the building-side mounting screws. At the same time, the fixing screw with the hook attached is concealed from the outside by the building-side mounting portion of the bracket body. A bracket cover is attached to a connection portion of the bracket body and is disposed between an indoor side surface of the surface grid and an outdoor side surface of the mounting base.

[Fourth Configuration] [0013] The fourth configuration relates to the first, second, and third configurations. The bracket cover has a united structure in which the two half-covered cover members are resiliently engaged with each other at the joining edges on both sides to be integrated. Each half-shaped cover member has an engaging fin on the inner wall. The half-split cover member is mounted on the bracket body by engaging the engaging fins with the connecting portion of the bracket body.

[0014]

The grid-side mounting portion has a back plate that can be moved in and out of the room but cannot be separated, and a pull-in fixing means for attracting the back plate to the grid-side mounting portion. The structure in which the insertion cutout portion which is enlarged at an appropriate distance from the sliding groove is formed makes it difficult to remove the surface lattice. The configuration in which the bracket cover is attached to the connection portion of the bracket body and is arranged between the indoor side surface of the surface grid and the outdoor side surface of the mounting base gives the surface grid, the bracket and the mounting base an overall integrated appearance. The configuration in which the position of the insertion resection portion is a location where the distance from the bracket mounting position to the insertion resection portion on the surface lattice is larger than the distance that the surface lattice can move with respect to the bracket fixed to the building side member, Makes it difficult to remove the grid.

The structure in which the concealing member is fitted into the recess into which the building-side mounting portion is fitted to conceal the head of the building-side mounting screw, and is fixed to the building-side mounting portion of the bracket body by non-removable fixing means, Makes it difficult to remove.
The configuration in which the bracket main body has the pre-installed hooks and the fixing screw for attaching the pre-installed hooks to the building side is hidden from the outside by the building-side mounting portion of the bracket main body makes it difficult to remove the surface grid. The configuration in which the bracket cover has a united type structure and the engagement fins are formed on the inner walls of the half-split cover member eliminates rattling of the bracket cover attached to the bracket body.

[0016]

1 to 6 relate to a first embodiment. The surface grid mounting structure 6 includes a surface grid 1, a building-side member 2 (in this case, a building wall), and a bracket 3 having a bracket cover 7. Note that two brackets 3 are fixed to each of the left and right sides of the plane grid 1.

The surface grid 1 has a normal structure in which a horizontal rail 9 is attached to a peripheral frame 8. The vertical frame 10 of the peripheral frame 8 is a hollow profile formed by extruding an aluminum alloy, and has a vertical sliding groove 11 on the building-side profile wall as shown in FIG. The insertion cutouts 12 are formed at intervals. The insertion cutouts 12 are formed at two places on each of the left and right vertical frames 10, 10, and their positions are larger than the distance that the plane grid 1 can move with respect to the bracket 3 fixed to the building side member. The distance from the mounting position of the bracket on the surface lattice 1 to the insertion and resection 12 is increased.

The bracket 3 (FIGS. 1 and 2) includes a bracket body 13 and the bracket cover 7, the mounting pedestal 14, a rigid concealing member 15, a pedestal cover 16, a building-side mounting screw 17, a one-way screw 18, and the like. It is composed of The bracket body 13 is formed by adding a sheet metal to a thick metal plate as a whole, and includes a grid-side mounting portion 19, a building-side mounting portion 20, and both mounting portions 1.
There is provided a connecting portion 21 connecting the components 9 and 20.

The grid-side mounting portion 19 is formed to be bent at a right angle from the connecting portion 21, and has a back plate 22 and a grid-side mounting screw 23. The grid-side mounting screw 23 is screwed into the grid-side mounting portion 19 in the form of a bolt, and the back plate 22 is connected to the grid-side mounting portion 19 with the grid-side mounting screw 23. Then, when the grid-side mounting screw 23 is screwed in, the back plate 22 is drawn to the grid-side mounting portion 19. That is, the grid-side mounting screw 23 is one of the pulling fixing means.

The back plate 22 has hook-shaped retaining pieces 2 on the upper and lower sides.
4 and 24 facing each other, and these retaining pieces 24 and 2
At 4, it is assembled so as to hold the grid-side mounting portion 19. That is, this structure allows the back plate 22 to move to some extent back and forth with respect to the grid-side mounting portion 19, but does not separate from the grid-side mounting portion 19. The horizontal dimension of the grid-side mounting portion 16 and the back plate 22 is larger than the horizontal dimension (width) of the sliding groove 11 in the vertical frame 10 of the surface grid 1, and the vertical dimension of the back plate 22 is sliding. Insertion cutout 12 provided in movement groove 11
Smaller than the vertical and horizontal dimensions. That is, the back plate 22 can move from the insertion cutout 12 to the inside of the profile wall on the building side in the vertical frame 10.

Building-side mounting part 2 of bracket body 13
Numeral 0 is formed so as to be bent at a right angle from the connecting portion 21 to the side opposite to the lattice-side mounting portion 19, and is parallel to the surface of the building-side member 2. The building-side mounting portion 20 has a raised portion 25 for fixing the concealing member 15 at the center portion, and through holes 2 through which the building-side mounting screws 17, 17 pass above and below the raised portion 25.
6, 26 are formed. A tapped hole 27 is formed at the center of the raised portion 25.

The mounting pedestal 14 is an aluminum die-cast product. A recess 28 is formed on one side in the left-right direction into which the building-side mounting portion 20 of the bracket 3 is fitted, and the building-side end face of the bracket cover 7 abuts on the other portion. The contact surface 29 is provided. At the bottom of the recess 28, a building-side mounting screw 1
Through holes 30, 30 through which 7 pass are formed.

The concealing member 15 is formed of a steel plate and fits into the concave portion 28 of the mounting pedestal 14, while having a size to cover upper and lower through holes 26, 26 formed in the building side mounting portion 20. In the center, the tap hole 27 of the ridge 25
Are provided. One-way screw 18
Has a shape in which torque is applied only in the direction in which the screw head tightens the screw 18 (FIG. 6), and it is very difficult to remove the screw 18 after screwing. That is, the one-way screw 18 is one of the attachment means that is difficult to remove after the attachment.

The pedestal cover 16 is for closing the recess 28 in the mounting pedestal 14 and has a claw 32 on the outer periphery. The claw 32 engages with a groove formed on the inner periphery of the recess 28. Attached. Bracket cover 7
Has a length substantially equal to the front and rear dimensions of the connecting portion 21 of the bracket body 13, the lattice side end is in contact with the building side surface of the vertical frame 10 of the plane grid 1, and the building side end is in contact with the contact surface 2 of the mounting base 14.
9 (FIG. 1). The cover 7 is formed by joining two half-shaped cover members 7 (a, b) divided in a cross section (FIGS. 2 and 5). Each of the half-covered cover members 7 (a, b) is an extruded material of an aluminum alloy, and both edges of the trough-like shape are joined together by the two cover members 7 (a, b). The connecting portion 21 of the bracket body 13 is formed on
Is formed to protrude inward.

The lateral cross section of the bracket cover 7 to which the two half-split cover members 7 (a, b) are joined is substantially the same as the horizontal dimension of the vertical frame 10 of the surface lattice 1. The surface grating 1, the bracket cover 7, and the mounting pedestal 14 have the same surface finish.
The surface grid 1 is attached to the building side member 2 using the bracket 3 as follows. The back plate 22 is attached to the grid-side mounting portion 19 of the bracket body 13 with the grid-side mounting screw 23.
Is assembled.

The back plate 22 is inserted from the insertion cutouts 12 in the left and right vertical frames 10 of the surface lattice 1, and the sliding grooves 11 are slid downward or upward so that the back plate 22 is inserted into the insertion cutouts 1.
2 and is screwed into the grid-side mounting screw 23 to fit the grid-side mounting portion 19 and the back plate 2.
2 sandwiches the building-side profile wall of the vertical frame 10. In this way, four bracket bodies 13 on the left and right sides are temporarily fixed to the surface lattice 1 on the building side surface of the surface lattice 1. The surface grid 1 is lifted up and attached to the building-side member 2, and the building-side mounting portion 20 of the bracket body 13 is fitted into the recess 28 of the mounting base 14 and mounted. Building side mounting part 20 and mounting base 14
Are fixed (mainly fixed) to the building-side member 2 together with the building-side mounting screws 17, 17.

The concealing member 15 is applied to the exposed raised portion 25 of the building-side mounting portion 20 so that the building-side mounting screw 1
The heads 7 and 17 are hidden, and then the one-way screw 18 is screwed into the tap hole 27 of the raised portion 25 through the through hole 31 to fix the concealing member 15 to the building-side mounting portion 20. After the respective bracket bodies 13 are mounted as described above, the position of the surface grid 1 is adjusted, and the grid-side mounting screws 23 of the grid-side mounting portions 19 of each bracket body 13 are further screwed and fixed.

The pedestal cover 16 is fitted into the recess 28 of the mounting pedestal 14, and the concealing member 15 and the head of the one-way screw 18 are concealed. Next, two half-shaped cover members 7
(A, b) is fitted into the connecting portion 21 of the bracket body 13 so as to be sandwiched from both sides, and the respective connecting edges 33 are mutually connected to form the bracket cover 7. On this occasion,
The bracket cover 7 is attached by engaging engagement fins 34, 34 formed on the inner walls of the respective half portions of the bracket cover 7 with the side edges of the connecting portion 21.

The surface grid 1 attached to the building-side member 2 via the bracket 3 is in the following state.
The grid-side mounting portion 19 of the bracket body 13 is attached to the surface grid 1.
Is fixed from the outside by the outer end surface of the bracket cover 7, and the head of the one-way screw 18 in the building-side mounting portion 20 is hidden from the outside by the pedestal cover 16. .

Even if the bracket cover 7 is removed and the grid-side mounting screw 23 is removed, the back plate 22 is engaged with the grid-side mounting portion 19 by the upper and lower retaining pieces 24, 24, so that the bracket body Therefore, the bracket body 13 cannot be separated from the surface grid 1 at the same position.

Further, even if all the grid-side mounting screws 23 of the grid-side mounting portions 19 of the four bracket bodies 13 are loosened and the entire surface grid 1 is moved with respect to the bracket 3, the bracket 3 remains on the building-side member 2. The back plate 2 is provided at a position where the distance from the bracket mounting position on the surface grid 1 to the insertion cutout 12 is larger than the distance that the surface grid 1 can move with respect to the fixed bracket 3.
The position of No. 2 cannot be matched with the insertion resection 12. Therefore, the surface grid 1 cannot be removed from the bracket 3.

The one-way screw 18 fixing the concealing member 15 to the building-side mounting portion 20 is difficult to remove, and after all, the building-side mounting screws 17 cannot be pulled out. Can hardly be separated from

On the other hand, the bracket cover 7 and the mounting base 14 have the same surface finish as the surface grid 1, and the bracket cover 7 is mounted on the mounting base 1 from the indoor side of the surface grid 1.
4 is located between the outdoor side surfaces (contact surface 29).
The surface grid 1 attached to the building-side member 2 including the brackets 3 has a solid and elegant appearance with an integral structure. In addition, the bracket cover 7 is securely attached by engaging with the connecting portion 21 of the bracket body 13 with the engaging fins 34 on the inner wall, and the bracket cover 7 is shaken by the vibration or rotated around the connecting portion 21. There is no. Furthermore, since the engaging fins 34 hit the connecting portion 21 of the bracket body 13 even when the bracket cover 7 is pressed and removed from the upper, lower, left and right sides,
It cannot be easily removed.

FIG. 7 shows a second embodiment. In contrast to the first embodiment, the back plate 22 is prevented from falling off from the lattice-side mounting portion 19 by the upper and lower retaining pieces 24, 24. The difference is that the tip of the grid-side mounting screw 23 screwed to the plate 22 is caulked to prevent it from coming off. In this embodiment, the manufacture of the back plate 22 and the attachment to the lattice-side attachment portion 19 are easy.

FIG. 8 shows a third embodiment, which is characterized in that the surroundings of the building-side mounting portion 20 of the bracket main body 13 are erected outside to form a dish-like shape and that a screw cover 35 is provided. . A through hole 26 for the building-side mounting screw 17 is formed at the bottom of the dish-shaped portion. Engagement holes 37 and 38 are formed in a bent portion where the connecting portion 21 and the bottom portion communicate with each other, and a bent portion between the upright piece 36 and the bottom portion facing the connecting portion 21. further,
A guide tongue piece 39 is provided on the upper side of the upright piece 36 and above the engagement hole 38.
Are formed on the outside.

The screw cover 35 is large enough to fit inside the dish-shaped portion, and
Engagement pieces 40 and 41 are formed on the sides opposite to 1 and the upright piece 36. The engagement pieces 40 and 41 are cut on both sides to give some elasticity. The mounting base 14 and the base cover 16 in the third embodiment are the same as those in the first embodiment.

In this embodiment, the building-side mounting portion 20 of the bracket body 13 is fitted into the recess 28 of the mounting pedestal 14, and the bracket body 13 is mounted together with the mounting pedestal 14.
Is fixed to the building-side member 2, and then the screw cover 35 is
After the engagement piece 40 is fitted into the engagement hole 37, the other engagement piece 41 is pushed along the guide tongue piece 39, and finally,
The engaging piece 41 is fitted into the engaging hole 38 by being strongly beaten and attached. As a result, the heads of the building-side mounting screws 17, 17 are hidden by the screw cover 35, and the removal of the bracket body 13 becomes substantially impossible. Further, it is extremely difficult to remove the screw cover 35 which is strongly hammered and mounted. That is, the screw cover 35 is one of the rigid concealing members, and forms a non-removable fixing means together with the upright pieces arranged opposite to the building-side mounting portion 20 of the bracket body 3.

FIGS. 9 and 10 show a fourth embodiment, which is different from the first embodiment in that the structure of the building-side mounting portion 20 of the bracket body 13, the structure of the mounting pedestal 14, and the tip hook 42 are provided. Has features. Other structures are not particularly different from those of the first embodiment.

The building-side mounting portion 20 has an engaging hole 4 at the center.
3 and has through holes 26 at the four corners through which the building-side mounting screws 17, 17 pass. The mounting base 14 has a recess 28
Are cut off, and a square hole 44 is formed. The leading hook 42 is a strong sheet metal processing member bent in a hook shape, and includes a fixing portion 45 and an engaging portion 46. Fixed part 45
Is a portion that is in contact with the surface of the building-side member 2, and the engaging portion 46 is a portion that is disposed away from the surface of the building-side member 2 to the outside. The engaging portion 46 is formed with a downward turning protrusion 47 whose lower portion projects toward the indoor side, and the fixing portion 45 is formed with through holes for fixing screws 48, 48.

The bracket 3 of this embodiment is mounted as follows. The leading hook 42 is directly screwed to the surface of the building-side member 2 by the fixing screws 48 at the location of the fixing portion 45 with the engaging portion 46 facing upward. The mounting pedestal 14 and the building-side mounting portion 20 are each formed with a square hole 44
Then, it is applied to the building-side member 2 such that the hook 42 comes to the engaging hole 43, and the building-side mounting portion 20 is pulled down.
Then, the upper side of the building-side mounting portion 20 is the hook 4
2 is deeply inserted between the engaging portion 46 and the building-side member 2, so that the return projection 47 of the engaging portion 46 is engaged with the upper side, and the bracket body 13 cannot be separated from the hook 42. (FIG. 10).

Next, the building-side mounting portion 20 is fixed to the building-side member 2 with the building-side mounting screws 17, 17 via the mounting base 14 between the building-side member 2. At this time, at least several heads of the screws 51, 51 to which the hooks 42 are fixed are hidden by a part of the building-side mounting portion 20. That is, the size of the engagement hole 43 in the building-side attachment portion 20 is set to this level.

The pedestal cover 16 is fitted into the concave portion 28 of the mounting pedestal 14 and mounted. The hooks 42, the building-side mounting portions 20, and the heads of the building-side mounting screws 17 and the fixing screws 48, 48 for fixing these. To hide. According to the mounting structure of the fourth embodiment, it is not possible to separate the building-side mounting portion 20 and the front hook 42,
Further, since all of the fixing screws 48, 48 of the leading hook 42 cannot be removed, it is impossible or extremely difficult to remove the bracket 3 from the building side member 2 after all. In addition, since there is no particular difference in the other structure from the above-described embodiment, in this embodiment, as in the first embodiment, a thick and elegant appearance can be obtained as necessary.

The above is an embodiment, and the present invention is not limited to the illustrated specific configurations. The grid-side mounting portion 19 of the bracket body 13 may be mounted on a portion of the surface grid 1 other than the vertical frame 10. When attaching the bracket 3, the orientation of the bracket-side attachment portion 19 and the building-side attachment portion 20 in the bracket body 13 with respect to the connecting portion 21 may be vertical or horizontal. The bracket cover 7 and the mounting base 14 may be made of synthetic resin.

[0044]

[Effects of the Invention] Regarding the mounting structure of the plane grid, a high degree of security can be secured to the extent that it cannot be removed unless the mounting portion is actually destroyed. The design of the entire surface grid including the mounting part is improved.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view (from the surface lattice side).

FIG. 2 is an exploded perspective view (from the building side).

FIG. 3 is a side view of a bracket unit.

FIG. 4 is a plan view of a bracket unit.

FIG. 5 is a front view of a bracket unit.

6A is a side view, and FIG. 6B is a front view.

7A is a perspective view, and FIG. 7B is a plan view.

FIG. 8 is an exploded perspective view (third embodiment).

FIG. 9 is an exploded perspective view (fourth embodiment).

FIG. 10 is a plan view of a bracket unit.

FIG. 11 is a side view (conventional example).

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Surface lattice 2 Building side member 3 Bracket 7 Bracket cover 11 Sliding groove 12 Insertion cut-out part 13 Bracket main body 14 Mounting pedestal 15 Concealment member 17 Building side mounting screw 18 One-way screw 19 Grid side mounting part 20 Building side mounting part 21 Connecting part 22 Back plate 23 Grid side mounting screw 24 Retaining piece 28 Recess 33 Joining edge 34 Engagement fin 35 Screw cover 36 Standing piece 42 Pre-installed hook 47 Return projection

Claims (9)

(57) [Scope of request for utility model registration] 1. A structure in which a surface grid is fixed to a building-side member by a plurality of brackets, wherein the bracket includes a bracket body, a mounting pedestal, and a bracket cover, and the bracket body includes a grid-side mounting portion and a building-side mounting portion. And a connecting portion combining the two mounting portions, the grid-side mounting portion, a back plate that can be moved indoors and outdoors but cannot be separated, and a pull-in fixing means for attracting the back plate to the grid-side mounting portion are configured. On the other hand, in the hollow member portion on the surface lattice side, an insertion cutout portion which is enlarged at an appropriate interval with the sliding groove is formed, and each bracket is attached to the building through the mounting base of the bracket side of the building body via the mounting base. The grid-side mounting portion is fixed, and the back plate that has been inserted from the insertion cutout portion and moved inside the sliding groove portion is mounted on the grid-side by pulling means. The mounting structure of the surface grid, which is fixed to the surface grid by being drawn to the portion, and the bracket cover is attached to the connection portion of the bracket body and is arranged from the indoor side of the surface grid to the outdoor side of the mounting base. . 2. At the location of the hollow member where the insertion and resection portion is on the surface lattice side, the distance from the bracket mounting position on the surface lattice to the insertion and resection portion is smaller than the distance that the surface lattice can move with respect to the bracket fixed to the building side member. The mounting structure for a surface grating according to claim 1, wherein the mounting structure is provided at a position where the distance is increased. 3. The pulling means is a bolt-like grid-side mounting screw, and the indoor protruding end of the screw screwed into the back plate is deformed to prevent the screw from coming off from the back plate. The mounting structure of a surface grid according to claim 1 or 2, wherein: 4. The pulling means is a bolt-like mounting screw on the grid side, and the back plate which can be moved in and out of the room but cannot be separated is provided with an integrally formed retaining piece on the grid side of the bracket body. The mounting structure of the surface grid according to claim 1, wherein the mounting structure is configured to be attached to the mounting portion. 5. A structure in which a surface grid is fixed to a building-side member by a plurality of brackets, wherein the bracket includes a bracket body, a mounting pedestal, a rigid concealing member, a one-way screw, and a bracket cover. Has a lattice-side mounting part, a building-side mounting part, and a connecting part that joins both mounting parts, the mounting base has a concave portion into which the building-side mounting part of the bracket body fits, and each bracket has a bracket-side mounting part of the bracket body. Part is fixed to the surface lattice, the building-side mounting portion is fitted into the recess of the mounting pedestal, and is fixed to the building together with the mounting pedestal by the building-side mounting screw from the outdoor side. It is fitted into the building and conceals the head of the building side mounting screw, and the bracket body is A surface grid mounting structure fixed to a side mounting portion, wherein a bracket cover is attached to a connection portion of the bracket body and is disposed between an indoor side surface of the surface grid and an outdoor side surface of the mounting base. 6. The mounting structure according to claim 5, wherein the non-removable fixing means is a one-way screw for screwing a rigid concealing member to a building-side mounting portion of the bracket body. 7. The non-removable fixing means includes an upright piece having an engaging hole formed facing the building-side mounting portion of the bracket body and engaging pieces formed on both sides of a rigid concealing member. The surface grid mounting structure according to claim 5, wherein the concealing member is fixed so as not to be removed by striking the concealing member between the standing pieces of the bracket main body. 8. A structure in which a surface grid is fixed to a building-side member by a plurality of brackets, wherein the bracket includes a bracket body, a mounting pedestal, a hook and a bracket cover, and the bracket body includes a grid-side mounting portion and a center. And a connecting portion connecting the two mounting portions, wherein the mounting hook has an engagement hole into which a pre-installed hook can be inserted. The mounting pedestal is provided with a concave portion into which the building-side mounting portion of the bracket body is fitted, and each bracket has a hook attached to the building side. Attachment with a fixing screw, the grid side mounting portion of the bracket body is fixed to the surface grid, and the building side mounting portion is the concave portion of the mounting base. The upper edge of the square hole is engaged with the engaging portion of the hook, and the upper edge is engaged with the lower end of the return projection, and is fixed to the building together with the mounting pedestal from the outdoor side by the building-side mounting screw. The mounting screws with the hooks attached to the building side are concealed from the outside by the building side mounting part of the bracket body, and the bracket cover is attached to the connection part of the bracket body, so that the mounting pedestal from the indoor side of the surface grid A surface grid mounting structure characterized by being arranged between the side surfaces. 9. The bracket cover has a united structure in which two half-shaped cover members are resiliently engaged with each other at joining edges on both sides to be integrated, and the bracket cover is formed on an inner wall of the half-shaped cover member. The surface grid according to any one of claims 1 to 8, wherein the engagement fins are formed respectively, and the engagement fins are mounted by being engaged with the connection portions of the bracket body. Mounting structure.