JP2002364143A - Device for mounting member to wall or the like - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a device for mounting a member to a wall or the like simplifying work of mounting the member to the wall and ensuring member mounting strength. SOLUTION: This device comprises a back face reinforcing plate 11 positioned on the back face side, holding a mounting hole part provided in the wall or the like, in between; a member fixture 12 positioned on the front face side; a bolt 13 piercing the back face reinforcing plate 11 and the member fixture 12 to stop the rotation of the back face reinforcing plate 11; and a nut 15 thread-fastened to the bolt 13 to fasten the back face reinforcing plate 11 and the member fixture 12 in the state of holding the wall or the like in between. The back face reinforcing plate 11 is formed by using a plastically deformable plate and providing a radial slit 19, and the back face reinforcing plate 11 can be arranged on the back face side of the wall only by rotating it in the state of inserting the slit 19 around the mounting hole provided in the wall.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for attaching a grip bar or the like to a wall of a unit bus or the like by retrofitting the member to a wall or the like.

[0002]

2. Description of the Related Art When a member is mounted on a wall where the rear surface cannot be accessed, for example, a grip bar or the like is mounted on a wall of a unit bath or the like by retrofitting only by operating from the front side of the wall. There is a restriction that it must be.

FIG. 8 and FIG. 9 show a conventional member mounting device used for mounting members at the above-described restricted portions, and include four rectangular blades 1 and the blades. The four blade plates 1 are composed of a bolt 2 for mounting the plate 1, a member connecting member 3 inserted through the bolt 2, and a nut 4 screwed to the bolt 2 to fasten the blade plate 1 and the member connecting member 3. Is attached to the bolt 2 at one end where the bending step is provided, and the innermost blade 1 is fixed to the head end of the bolt 2, and the remaining blade 1 is rotatable with respect to the bolt 2. A male screw shaft portion 7 for screwing the connection nut 6 of the grip bar 5 is provided on the member connecting member 3 inserted through the bolt 2.

In order to attach the grip bar 5 to the wall A by retrofitting using the above-described member attaching apparatus, an attachment hole B having a diameter large enough to allow the width of the slat 1 to pass through the wall A is formed. From the front side, insert the blades 1 superposed in the same phase from the tip side, insert a fingertip from the mounting hole B in this state, and distribute the four blades 1 on the rear side of the wall A in all directions. Then, the four blades 1 are brought into contact with the back side of the wall A by pulling the bolt 2 toward the user, and the member connecting member 3 inserted through the bolt 2 is pressed against the front side of the wall A, and the member connecting member 3
The nut 4 screwed into the bolt 2 is screwed in a state in which the cylindrical portion 8 is fitted in the mounting hole B, and the blade plate 1 and the member connector 3 are fastened with the wall A sandwiched between the opposing surfaces. .

[0005] Thereafter, the connection nut 6 of the grip bar 5 is screwed into the male threaded shaft portion 7 of the member connector 3 to complete the attachment of the grip bar 5 to the wall A.

[0006]

In the above member mounting apparatus, the four blades 1 must be distributed in four directions on the back side of the wall A, and this operation must be performed in a narrow portion. Therefore, the work is troublesome, and the work becomes difficult as the wall A becomes thicker.

In order to secure the mounting strength of the grip bar 5, it is necessary to increase the contact area between the blade 1 and the back side of the wall A. In order to insert and distribute in all directions, the diameter of the mounting hole B cannot be set small. Therefore, it is difficult to increase the contact area between the blade 1 and the back side of the wall A, and the grip bar There is a difficulty in the mounting strength of No. 5.

An object of the present invention is to provide an apparatus for attaching a member to a wall or the like, which can easily perform an operation of attaching a member to a wall and can secure the attachment strength of the member.

[0009]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a back reinforcing plate positioned on the back side with a mounting hole provided in a wall or the like interposed therebetween, and a back side reinforcing plate positioned on the front side. A member attaching tool to be pierced, a bolt that penetrates the back reinforcing plate and the member attaching tool, and becomes a detented shape with respect to the back reinforcing plate, and is screwed to the bolt, so that the back reinforcing plate is sandwiched by a wall or the like. And a bolt that fastens the member coupler, the back reinforcing plate is formed to have a diameter larger than the mounting hole using a plastically deformable plate, and a configuration in which a radial slit is provided in this plate is adopted. Things.

The back side reinforcing plate is a disk-shaped metal plate having a bolt insertion hole in the center, and a slit provided so as to reach the insertion hole from the outer periphery. The structure can be a step in the direction. The above-mentioned back-side reinforcing plate is simply inserted into the portion of the slit provided in the periphery of the hole provided in the wall and rotated, and this back-side reinforcing plate enters the back side of the wall, and the back-side reinforcing plate is reinforced. The plate can be easily arranged on the back side of the wall, and the hole in the wall may be set to be about the radius of the back reinforcing plate, so that a large contact area between the back reinforcing plate and the back side of the wall can be secured. .

The step width of the stepped portion of the back reinforcing plate using a metal plate can be adjusted by hand according to the thickness of the wall.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 1 to 7. FIG.

As shown in FIGS. 1 and 2, the member mounting device includes a back surface reinforcing plate 11 positioned on the back surface and a member mounting tool positioned on the front surface with a mounting hole B provided in a wall A interposed therebetween. 12, a bolt 13 penetrating the back reinforcing plate 11 and the member mounting member 12, a rotation preventing plate 14 for stopping the bolt 13 from rotating with respect to the back reinforcing plate 11, and screwing the bolt 13 to the wall A And a nut 15 for fastening the back surface reinforcing plate 11 and the member mounting member 12 while sandwiching the same, and a washer 16 and a washer 17 disposed between the nut 15 and the member mounting member 12.

The back reinforcing plate 11 is formed of a metal plate that can be plastically deformed and is formed in a disk having a diameter larger than the mounting hole B. The back reinforcing plate 11 has a through hole 18 for the bolt 13 at the center. A slit 19 in the radial direction reaching the insertion hole 18 from the outer periphery, and a locking notch 20 of the rotation preventing plate 14 is provided on both side edges in the middle of the slit 19, and both sides of the back reinforcing plate 11 sandwiching the slit 19 are provided. The portion is stepped by being deformed in the axial direction.

If the diameter of the mounting hole B provided in the wall A is 50 mm, the back reinforcing plate 11 has a diameter of 80 mm.
８５85 mm, and the width W of the step may be set according to the thickness of the wall A. Since the back surface reinforcing plate 11 is made of a metal plate, the width W of the step is reduced by applying force by hand. It can be adjusted on site according to the thickness of the wall A.

The rotation preventing plate 14 has a locking piece 21 which can be engaged with the locking notch 20 of the back side reinforcing plate 11 on the outer periphery of a small diameter disk which is inserted into the bolt 13 and fixed to the head end by welding. The bolt 13 and the rotation preventing plate 14 are prevented from rotating through the rotation preventing plate 14.

The member mounting member 12 includes the back reinforcing plate 1.
A fitting projection 23 for a mounting hole B provided in a wall A is provided coaxially on the back surface of a disk 22 formed with a diameter slightly smaller than 1.
A male screw shaft portion 24 is coaxially protruded from the front surface of the disk 22, and an insertion hole 2 for the bolt 13 is formed in the shaft center of the disk 22 and the male screw shaft portion 24.
5 are provided. The member mounting member 12 is formed using a synthetic resin, and a ring-shaped sliding sheet 26 for preventing the wall A from being scratched is interposed between the rear surface of the disk 22 and the overlapping surface of the wall A. It has become.

The grip bar 27 connected to the member mounting member 12 is provided with a flange 28 at an end. A connection nut 29 externally fitted to the grip bar 27 is prevented from coming off by the flange 28. The grip bar 27 is fixed to the member mounting tool 12 by being screwed into the shaft portion 24.

The member mounting apparatus according to the present invention has the above-described structure. To mount the grip bar 27 on a wall A of a unit bus or the like by retrofitting using the member mounting apparatus, the grip bar 27 of the wall A is required. A mounting hole B is formed at a position where the is mounted.

As shown in FIG. 3, the member mounting device inserts the back reinforcing plate 11, the member mounting member 12, the washer 16 and the washer 17 into the bolt 13 in order, and finally sets the nut 15 into a set state by screwing. As shown in the figure, the stepped portion of the slit 19 of the back surface reinforcing plate 11 is fitted into the periphery of the mounting hole B provided in the wall A, and this back surface reinforcing plate 11
Is rotated in a direction in which a portion located on the back surface side of the wall A enters the back surface side of the wall A, thereby disposing the back surface reinforcing plate 11 on the back surface side of the wall A.

FIGS. 4 to 7 show the steps of disposing the back reinforcing plate 11 on the back side of the wall A in order from the back side of the wall A. FIG. Shows an initial state in which a stepped portion of the slit 19 of the back reinforcing plate 11 is fitted into the slit 1 of the back reinforcing plate 11.
One side portion of the wall 9 enters the back surface side of the wall A with 9 interposed therebetween.

When the back reinforcing plate 11 is rotated about the axis as shown by an arrow in FIG.
As the screws 9 enter the rear surface of the wall A, the portion of the rear reinforcement plate 11 that enters the rear surface of the wall A increases, as shown in FIG. By rotating 11, the entire back reinforcing plate 11 enters the back side of the wall A, as shown in FIG. 6.

As described above, by providing the slits 19 in the radial direction in the back reinforcing plate 11, the back reinforcing plate 11 having an outer diameter slightly less than twice as large as the mounting hole B can be moved from the mounting hole B to the back surface of the wall A. Side, the back reinforcing plate 11 is a disc, and there is a sufficient difference in diameter with respect to the mounting hole B, so that the contact area between the back reinforcing plate 11 and the back side of the wall A is widened. It can be secured.

When the back side reinforcing plate 11 is located on the back side of the wall A, the bolt 13 is pulled toward the front side, and the back side reinforcing plate 11 is brought into contact with the back side of the wall A by the rotation preventing plate 14. 7, the locking piece 21 of the rotation preventing plate 14 is engaged with the locking notch 20 of the back reinforcing plate 11 by rotating the bolt 13, and the rotation preventing plate 14 is superimposed on the back reinforcing plate 11. 13 and the back reinforcing plate 11 are made to have a detent shape.

With the bolt 13 being coaxial with the mounting hole B and the back reinforcing plate 11 abutting against the back side of the wall A, the member mounting member 12 is moved toward the wall A, and the fitting is performed. By fitting the protrusion 23 into the mounting hole B and then screwing the nut 15, as shown in FIG. 1, the back reinforcing plate 11 and the member mounting tool 12 are fastened with the wall A sandwiched therebetween. Then, the member mounting member 12 is fixed to the front surface of the wall A.

Thereafter, the connection nut 29 externally fitted to the grip bar 27 is screwed into the male screw shaft portion 24, so that the end of the grip bar 27 can be fixed to the member mounting member 12. Then, the grip bar 27 can be disposed on the wall A of the unit bus by fixing both ends of the grip bar 27 with the same member mounting device.

[0027]

As described above, according to the present invention, since the above-described configuration is employed, the back reinforcing plate is rotated while the slit of the back reinforcing plate is inserted around the mounting hole provided in the wall. By simply doing so, the back reinforcing plate can be arranged on the back side of the wall, and the work performed on the back side of the wall as in the related art is not required at all, and the work of attaching the member to the wall can be easily performed.

Further, the back reinforcing plate having a diameter of less than twice the mounting hole can be passed through and positioned on the back surface side of the wall, and the contact area between the back reinforcing plate and the back surface of the wall can be increased. Not only can secure sufficient mounting strength, but also can adjust the step width of the slit of the back reinforcing plate according to the thickness of the wall, and can widely support different wall thicknesses Can be.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a state in which a grip bar is fixed to a wall using the member mounting device of the present invention.

FIG. 2 is an exploded perspective view showing the member mounting device of the present invention.

FIG. 3 is a longitudinal sectional view showing a state in which a slit of a back reinforcing plate is inserted into a wall in the member mounting device.

FIG. 4 is a rear view showing an initial state of a step of inserting the back reinforcing plate into the back surface of the wall as viewed from arrows IV-IV in FIG. 3;

FIG. 5 is a rear view showing a state in the middle of a step of inserting the back reinforcing plate into the back surface of the wall as viewed from arrows IV-IV in FIG. 3;

FIG. 6 is a rear view showing a state where the back reinforcing plate is inserted into the back surface of the wall as viewed from the arrow IV-IV in FIG. 3;

FIG. 7 is a rear view showing a state where the back reinforcing plate is inserted into the back surface of the wall and pressed against the back surface as viewed from the arrow IV-IV in FIG. 3;

FIG. 8 is a longitudinal sectional view showing a state in which a grip bar is fixed to a wall using a conventional member mounting device.

FIG. 9 is an exploded perspective view showing a conventional member mounting device.

[Explanation of symbols]

 REFERENCE SIGNS LIST 11 back reinforcing plate 12 member mounting member 13 bolt 14 rotation prevention plate 15 nut 16 washer 17 washer 18 insertion hole 19 slit 20 locking notch 21 locking piece 22 disk 23 fitting protrusion 24 male screw shaft portion 25 insertion hole 26 Seat 27 Grip bar 28 Flange 29 Connection nut

 ──────────────────────────────────────────────────続 き Continued on front page F-term (reference) 2D032 GA00 2E101 HH03 3J024 AA38 CA03 CA06

Claims (2)

[Claims] 1. A back reinforcing plate positioned on the back side, a member mounting tool positioned on the front side, and a back reinforcing plate and a member mounting tool penetrating through a mounting hole provided in a wall or the like. A bolt that becomes non-rotatable with respect to the back reinforcing plate and a nut that fastens the back reinforcing plate and the member mounting member with the wall or the like sandwiched therebetween by screwing to the bolt, the back reinforcing plate is An apparatus for mounting a member to a wall or the like, which is formed to have a larger diameter than a mounting hole by using a plastically deformable plate and has a radial slit provided in the plate. 2. The back reinforcing plate has a bolt insertion hole in the center, a slit is provided so as to reach the insertion hole from the outer periphery, and portions on both sides sandwiching the slit form an axial step. The device for mounting a member on a wall or the like according to claim 1.