JP2008190135A - Mounting structure of bracket for handrail - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mounting structure of a bracket for a handrail, which is equipped with a mechanism capable of temporarily holding the handrail in the mounting and demounting of the handrail. <P>SOLUTION: This mounting structure of the bracket for the handrail comprises a base plate 5 which is fixed to a wall surface 4, and the bracket 7 which is mounted on the base plate 5 and which holds the handrail 6. A lower portion of the base plate 5 is provided with protrusion pieces 1, 2 and 3 which are protruded from a surface of the base plate; recesses 9, 10 and 11 for fitting in the protrusion pieces 1, 2 and 3 are formed in the bottom 8 of the bracket 7; and the bracket 7, on which the handrail 6 is mounted, is held by the base plate 5 in a state in which the protrusion pieces 1, 2 and 3 are fitted into the recesses 9, 10 and 11 of the bracket 7, respectively. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an attachment structure of a handrail bracket for attaching a handrail to a wall surface of a staircase or a hallway of a building.

  A bracket is generally used to attach the handrail to the wall surface. That is, the base portion of the bracket is fixed to the wall surface by screwing or the like, and the handrail is attached to the handrail attachment portion at the tip of the bracket.

  In the installation work of the handrail, it is usually necessary to attach the handrail to the wall surface before pasting the wallpaper such as a cloth, then remove the handrail and attach the wallpaper, and then attach the handrail to the wall surface again. This is because an operator who performs wall surface construction and handrail attachment is different from an operator who applies wallpaper, and the working days of these workers are different.

  Therefore, when the handrail is attached to the wall surface together with the bracket again after the construction of the wallpaper, the handrail needs to be easily and surely attached to the original position. In Patent Document 1, a positioning member is attached to a wall material, wallpaper is attached to the wall material so that the positioning member is exposed, and a handrail bracket is attached to the positioning member.

  In addition, Patent Document 2 discloses a method for mounting a handrail bracket without cutting the wallpaper so that the positioning member is exposed. Check the position of the pedestal that is hidden in the wallpaper after pasting it from the top of the wallpaper affixed to the wall. It has been proposed to push objects.

JP 2002-81183 A JP 2004-324231 A

When the handrail is attached to the wall surface, since the handrail is generally long and relatively heavy, it is necessary for a plurality of workers to perform positioning such as bolt tightening while supporting the handrail.
However, from the viewpoint of labor saving, it is desirable that the handrail can be easily attached by a small number of workers.

  Therefore, the subject of this invention is providing the attachment structure of the bracket for handrails provided with the mechanism which can hold | maintain a handrail temporarily at the time of attachment and removal of a handrail.

The mounting structure of the handrail bracket of the present invention for solving the above-described problems has the following configuration.
(1) An attachment structure of a handrail bracket comprising a base plate fixed to a wall surface and a bracket attached on the base plate and holding the handrail, wherein the base plate has a protruding piece protruding from the surface of the base plate. The bottom of the bracket is formed with a recess into which each projection piece is inserted, and the bracket to which the handrail is attached by the base plate is inserted into the recess of the bracket by the base plate. A bracket mounting structure for a handrail characterized by being held.
(2) The mounting structure of the handrail bracket according to claim 1, wherein the projecting piece includes at least projecting pieces (1, 2, 3) formed at positions corresponding to three apexes of the triangle.
(3) An attachment structure of a handrail bracket comprising a base plate fixed to a wall surface and an end bracket attached on the base plate and holding a handrail end, and the base plate protrudes from the surface of the base plate. A projection piece is formed, and a concave portion into which the projection piece is fitted is formed at a bottom portion of the end bracket, and an end bracket to which a handrail is attached in a state where the projection piece is fitted into the depression portion of the bracket. A bracket mounting structure for a handrail characterized by being held by a base plate.
(4) The bracket mounting structure for a handrail according to claim 2, wherein projecting pieces are respectively formed on an upper portion and a lower portion of the base plate.
(5) Applying the handrail bracket mounting structure described in (3) or (4) to the wall surface of the end bracket at the end of the handrail, to the wall surface of the bracket that is attached to the handrail at the site other than the end of the handrail The mounting structure of the handrail bracket according to (1) or (2) is applied to the mounting of the handrail bracket.
(6) The mounting structure of the handrail bracket according to any one of (1) to (5), wherein the protrusion piece is a plate-like protrusion piece that is long in a direction substantially parallel to the longitudinal direction of the handrail.
(7) The base plate is formed with a screw hole for screwing with a bracket connecting screw and a head locking hole for a wall surface fixing screw of the base plate, and at the bottom of the bracket, the base plate A head locking hole for the bracket connecting screw and a screw insertion hole through which the wall fixing screw head of the base plate is inserted are formed at positions corresponding to the screw hole and the head locking of the wall fixing screw, respectively. The mounting structure of the handrail bracket according to any one of (1) to (6).
(8) The mounting structure for the handrail bracket according to any one of (1) to (7), wherein the concave portion is a notch hole.

According to the mounting structure of the handrail bracket of (1) and (2) above, since the protruding piece is provided at the lower part of the base plate attached to the wall and the bracket is supported by this protruding piece, the bracket is interposed via the base plate. Since the bracket to which the handrail is attached can be stably and surely supported in the work of fixing to the wall, labor saving of the handrail attaching work can be achieved, and the working efficiency is improved.
According to the mounting structure of the handrail bracket of the above (3) and (4), the lower projecting piece among the projecting pieces formed on the upper and lower parts of the base plate is also attached to the end bracket attached to the end of the handrail. Since the end bracket is supported, the same effect as the above (1) is obtained. In addition, since the projecting pieces are formed on the upper and lower parts of the base plate, it can be applied to both ends of the handrail, and the end bracket can be shared and the number of parts can be reduced. is there.
In particular, when the above (1) or (2) is combined with (3) or (4), the working efficiency can be further improved.

<First Embodiment>
An attachment structure of a handrail bracket according to the first embodiment of the present invention is shown in FIGS. FIG. 1 is a conceptual diagram of the embodiment.

  As shown in FIG. 1, the bracket mounting structure for the handrail according to this embodiment includes a base plate 5 that is fixed to the wall surface 4 and a bracket 7 that is mounted on the base plate 5 and holds the handrail 6. The base plate 5 has projecting pieces 1, 2, 3 projecting from the surface thereof at the lower part. On the other hand, at the bottom of the bracket 7, recesses 9, 10, 11 for inserting the respective projecting pieces 1, 2, 3 are formed in a base plate insertion recess 8 for inserting the base plate 5. A cover 19 is attached to the mounting bracket 72 of the bracket 7, and the mounting bracket 72 of the base plate 5 and the bracket 7 is covered with the cover 19.

2A to 2C are a side view, a plan view, and a front view showing the base plate 5. The base plate 5 is formed in a plate shape, and is formed by bending three projecting pieces 1, 2, 3 at a lower end portion substantially perpendicular to the surface. As shown in FIG. 2B, these protrusions 1, 2, and 3 are formed at positions corresponding to the three vertices of the triangle, respectively. Moreover, each protrusion piece 1,2,3 is formed in the plate shape long in the horizontal direction (namely, direction parallel to the longitudinal direction of the handrail 6), as shown in FIG.2 (b), (c). As a result, the holding area of the bracket 7 is increased to enable more stable holding.
The base plate 5 is formed with countersunk screw holes 12 and head locking holes 13 for the wood screws 14 in a diagonal direction.

3A to 3C are a side view, a plan view, and a bottom view showing the bracket 7, respectively, and FIG. 4 is a longitudinal sectional view of the bracket 7. The bracket 7 includes an arm portion 71 for attaching the handrail 6 to the distal end and an attachment portion 72 provided at the base end portion. As shown in FIG. 3C and FIG. 4, the bottom portion 8 of the mounting portion 72 (more specifically, the base plate accommodating recess) is formed with a recess 10 that uses a cavity inside the arm portion 71.
Further, as shown in FIGS. 3B, 3 </ b> C, 5, and 6, recesses 9 and 11 are formed on both sides of the recess 10 below the recess 10. The recesses 9 and 11 are cutout holes. And as shown in FIG.3 (c) and FIG. 4, the area | region enclosed by the recessed part 9,10,11 becomes the thick part 15 for reinforcement.

  In addition, the base plate bottom 8 (base plate housing recess) has holes 17 (a countersunk head part engagement) in which the heads of the countersunk screws 16 are respectively locked at positions corresponding to the countersunk screw holes 12 and the wood screw holes 13 of the base plate. A stop hole) and a wood screw insertion hole 18 are formed. The wood screw insertion hole 18 has a larger opening diameter than the head 14 a of the wood screw 14.

  In this embodiment, in order to attach the handrail 6 to the wall surface 4, first, the base plate 5 joined to the bottom portion of the bracket 7 by the countersunk screw 16 is disposed at a predetermined position on the wall surface 4, and the wood screw 14 inserted through the wood screw insertion hole 18. Attach to wall 4 with

Next, when pasting the wallpaper on the wall surface 4, first, the countersunk screw 16 is removed, the bracket 7 to which the handrail 6 is attached is removed from the base plate 5, and then the wallpaper is pasted on the wall surface 4. At this time, the base plate 5 is covered with wallpaper.
In order to attach the handrail 6 to the original position after the wallpaper is pasted, first, a part of the wallpaper is cut and the protruding pieces 1, 2, 3 of the base plate 5 are exposed from the wallpaper. Then, holding the bracket 7 removed as described above, the projecting pieces 1, 2, 3 are inserted into the recesses 9, 10, 11 at the bottom of the bracket 7. This insertion state is shown in FIG.
Thus, the bracket 7 is held by the base plate 5 according to the so-called lever principle.

After that, the bracket 7 is fixed to the base plate 5 with the countersunk screw 16. At this time, since the bracket 7 is stably and securely held by the base plate 5, it is not necessary for other workers to hold the handrail 6, so that the handrail 6 can be efficiently attached by a small number of workers. Can do.
Finally, the cover body 19 shown in FIG. 8 is mounted on the surface of the mounting bracket 72 to complete the mounting of the handrail bracket 7.

<Second Embodiment>
A second embodiment of the present invention is shown in FIGS. This embodiment relates to an attachment structure of an end bracket attached to the handrail end.

  9A, 9B, and 9C are a plan view, a side view, and a front view showing the base plate 21 according to this embodiment. As shown in the figure, the base plate 21 has protrusions 22 and 23 protruding from the surface of the plate body 21a on the upper and lower parts of the plate body 21a (that is, the upper and lower parts orthogonal to the longitudinal direction of the handrail 6). Each is formed. These protruding pieces 22 and 23 are formed by bending a part of the plate body 21a, and are formed in a T-shape that is long in the longitudinal direction of the handrail 6 (see FIG. 9C). (Refer to FIG. 4), it may be simply a plate shape long in the longitudinal direction of the handrail 6. The reason that the handrail 6 is elongated in the longitudinal direction is to give sufficient strength to hold the end bracket 26 shown in FIG.

  Further, a pair of screw holes 24 and wood screw head locking holes 25 are formed in the plate body 21a in the diagonal direction. Reference numeral 27 denotes a notch hole provided in the center of the plate body 21a.

  FIGS. 10A and 10B are a side view and a bottom view showing the end bracket 26. FIG. 11 is a longitudinal sectional view of the end bracket 26. A concave portion 28 for attaching the end portion of the handrail 6 by screwing or the like is formed in the front upper portion of the end bracket 26. An opening 29 is formed on the inclined rear surface of the end bracket 26, and the inside is hollow.

  As shown in FIG. 10B, recesses 33 and 34 into which the upper and lower projection pieces 22 and 23 of the base plate 21 are fitted are formed in the bottom portion 26 a (base plate housing recess) of the end bracket 26. The recesses 33 and 34 may be notches provided in the bottom of the end bracket 26.

  Also. Screw head locking holes 31 and screw insertion holes 32 through which the heads of the wood screws are inserted are respectively formed at positions corresponding to the screw holes 24 and the wood screw holes 25 of the base plate 21 described above.

  In this embodiment, in order to attach the handrail 6 to the wall surface, first, the base plate 21 joined to the bottom portion of the end bracket 26 with a bracket connecting screw such as a countersunk screw is disposed at a predetermined position on the wall surface, and the wood screw insertion hole 32 is formed. Secure to the wall with the inserted wood screw.

Next, when pasting the wallpaper on the wall surface, first, the bracket connecting screw is removed, the end bracket 26 to which the handrail 6 is attached is removed from the base plate 21, and then the wallpaper is pasted on the wall surface. At this time, the base plate 21 is covered with wallpaper.
In order to attach the handrail 6 to the original position after pasting the wallpaper, the wallpaper is first cut and the protruding pieces 22 and 23 of the base plate 21 are exposed from the wallpaper. Then, holding the removed end bracket 26, the protruding pieces 22 and 23 are fitted into the recesses 33 and 34 at the bottom of the bracket 26. This inserted state is shown in FIG.

  At this time, the end bracket 26 is held by the so-called lever principle mainly by the lower protrusion 22 of the base plate 21. Accordingly, the base plate 21 may be provided with only the lower protrusion piece 22, but the upper and lower protrusion pieces 22 and 23 enable more stable and reliable holding. Further, by forming the projecting pieces 22 and 23 on the upper and lower portions, one kind of end bracket 26 can be used at both ends of the handrail 6, so that the number of parts can be reduced.

After the end bracket 26 is held on the base plate 21, the end bracket 26 is fixed to the base plate 21 with bracket connection screws. At this time, since the end bracket 26 is stably and securely held by the base plate 21, it is not necessary for another worker to hold the handrail 6, and therefore, the handrail 6 can be efficiently attached by a small number of workers. It can be carried out.
Finally, the cover body is attached to the opening 29 on the back surface of the end bracket 26, and the attachment of the end bracket 26 is completed.

  As mentioned above, although preferable embodiment of this invention was described, this invention is not limited to the above embodiment, A various improvement and change are possible within the range described in the claim. For example, in the present invention, the second embodiment is applied to the attachment of the handrail end to the wall surface of the end bracket, and the first embodiment is applied to the bracket attached to the handrail at a portion other than the handrail end. However, it is not limited to this.

It is a conceptual diagram which shows the attachment structure of the bracket for handrails concerning the 1st Embodiment of this invention. (A)-(c) is the side view, top view, and front view which respectively show the baseplate in 1st Embodiment. (A)-(c) is the side view, the top view, and bottom view which show the bracket in 1st Embodiment, respectively. It is a longitudinal cross-sectional view of the bracket in 1st Embodiment. It is the VV sectional view taken on the line of Fig.3 (a). It is the VI-VI sectional view taken on the line of FIG.3 (b). It is explanatory drawing which shows the holding | maintenance state of the bracket by the base plate in 1st Embodiment. It is a cover body top view and sectional view of a bracket in a 1st embodiment. (A)-(c) is the top view, side view, and front view which respectively show the baseplate in 2nd Embodiment. (A) And (b) is the side view and bottom view which respectively show the bracket in 2nd Embodiment. It is a longitudinal cross-sectional view of the bracket in 2nd Embodiment. It is explanatory drawing which shows the holding | maintenance state of the bracket by the base plate in 2nd Embodiment.

Explanation of symbols

1, 2, 3 ... Projection piece, 4 ... Wall surface, 5 ... Base plate, 6 ... Handrail, 7 ... Bracket, 8 ... Bottom, 9, 10, 11 ... Recess , 12 ... Countersunk screw screw holes, 13 ... Wood screw head locking holes, 14 ... Wood screws, 16 ... Countersunk screws, 17 ... Countersunk head locking holes, 18, ... Wood screw insertion hole, 19 ... Cover body, 21 ... Base plate, 22, 23 ... Projection piece, 24 ... Screw hole, 25 ... Wood screw head locking hole, 26 ... End Bracket, 31 ... Screw head locking hole, 32 ... Wood screw insertion hole, 33, 34 ... Recess, 35 ... Cover body

Claims (8)

An attachment structure of a handrail bracket comprising a base plate fixed to a wall surface and a bracket attached on the base plate and holding a handrail,
The base plate has a protruding piece projecting from the surface of the base plate at the bottom,
The bottom of the bracket is formed with a recess into which the protruding pieces are inserted.
A bracket mounting structure for a handrail, wherein a bracket to which a handrail is attached is held by a base plate in a state in which the protruding piece is fitted in a recess of the bracket.   The bracket mounting structure for a handrail according to claim 1, wherein the protruding pieces include at least protruding pieces (1, 2, 3) formed at positions corresponding to three apexes of the triangle. An attachment structure of a handrail bracket comprising a base plate fixed to a wall surface and an end bracket attached on the base plate and holding an end portion of the handrail,
At least the lower part of the base plate is formed with a protruding piece protruding from the surface of the base plate,
On the bottom of the end bracket, a recess into which the protruding piece is fitted is formed,
An attachment structure of a handrail bracket, wherein an end bracket to which a handrail is attached is held by a base plate in a state in which the protruding piece is fitted in a recess of the bracket.   3. The handrail bracket mounting structure according to claim 2, wherein protrusions are respectively formed on an upper portion and a lower portion of the base plate.   The mounting structure of the handrail bracket according to claim 3 or 4 is applied to mounting the handrail end portion to the wall surface of the end bracket, and the bracket mounted to the handrail at a portion other than the handrail end portion is mounted to the wall surface. 2. A handrail bracket mounting structure, wherein the handrail bracket mounting structure is applied.   The mounting structure of the handrail bracket according to any one of claims 1 to 5, wherein the protrusion piece is a plate-like protrusion piece that is long in a direction substantially parallel to a longitudinal direction of the handrail.   The base plate is formed with a screw hole to be screwed with a bracket connection screw, and a head locking hole for a wall surface fixing screw of the base plate, and at the bottom of the bracket, the screw hole of the base plate The head locking hole of the bracket connecting screw and the screw insertion hole through which the wall fixing screw head of the base plate is inserted are respectively formed at positions corresponding to the head locking of the wall fixing screw. An attachment structure of the handrail bracket according to any one of 1 to 6.   The mounting structure of the handrail bracket according to any one of claims 1 to 7, wherein the recess is a notch hole.

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