JP2001049823A - Joint element for handrail - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify connection of a handrail by forming a joint element formed of a thin plate metal, which is comprised of an attachment piece to be fixed to a connected body, and an attaching piece to handrail to be folded at a predetermined angle and fixed onto a rear surface of the handrail. SOLUTION: A joint element 1a in the form of a stainless rectangular thin plate or the like is provided, which is folded in two pieces along a longitudinal center line at a predetermined angle. One of the folded pieces is made into an attached-to newel post piece 3 to be fixed onto an upper end face of a newel post 5, and the other piece is made into an attached-to handrail piece 2 to be fixed onto a rear surface of a handrail 4a. Next, the attached-to newel post piece 3 is arranged on a fillet member 51 connected to the upper end face of the newel post 5, and a nail N is inserted and fixed into a screw hole 31 formed in the attached-to newel post piece 3. Further, the handrail 4a is arranged so that a groove 41a in the rear surface of the handrail 4a is fitted on the attached-to handrail piece 2, and a nail N is inserted and fixed into a screw hole 21, to thereby connect the handrail 4a to the newel post 5. Thus, the workability of the handrail can be improved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention belongs to the technical field of a connecting device for connecting a handrail to be connected to a staircase to be connected to a staircase. The present invention relates to a handrail connector that can be easily connected to a body and can easily adjust an error in the installation angle of a handrail on site.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 8, when a decorative staircase handrail is attached to a plurality of pillars erected on a side surface of a staircase, handrails are set at portions A and B in FIG. 40
When connecting to a connected object such as a pillar 50 or a wall 60, a connecting bolt has been used. That is, when connecting the handrail 40 to the column 50, as shown in FIG. 9, one end of the connection bolt 100 bent in advance to a desired angle is embedded in the side surface of the column 50, and the other end of the connection bolt 100 is Is passed through a groove 401 formed at the tip of the handrail 40 and inserted into a fitted piece of wood 402 from the back of the handrail 40, and the wood piece 402 is fixed by hitting a nail 403. When the handrail 40 is connected to the wall 60, as shown in FIG.
One end of the connection bolt 100 is buried in the wall 60, and the other end of the connection bolt 100 is passed through a groove 401 formed at the tip of the handrail 40, and is inserted into a wooden piece 402 fitted from the back surface of the handrail 40. A nail 403 is hit on the wooden piece 402 and fixed.

[0003]

However, the handrail 4
Handrail 40, such as a thin one or a narrow one
When the cross section of the connection bolt 10 becomes small,
Since it is difficult to form the groove 401 for passing the “0” or to fit the wood piece 402, there is a problem that it is difficult to perform the work using the connection bolt 100. In addition, since the connection bolt 100 itself is made of a rod-shaped metal and is firmly formed and cannot be bent on site, it is difficult to easily adjust the error of the installation angle of the handrail 40 on site. There's a problem. The present invention has been made in view of the above problems, and even when the handrail has a small cross section, the handrail can be easily connected to a connected object such as a pillar or a wall,
It is another object of the present invention to provide a handrail connector that can easily adjust an error in the installation angle of the handrail.

[0004]

A handrail connecting device according to claim 1 of the present invention is a connecting device for connecting a handrail to be connected to an object to be connected to a staircase to be constructed on stairs. A connected object mounting piece formed and fixed to the connected object,
A handrail attachment piece that is bent at a predetermined angle with respect to the connected object attachment piece, is formed continuously, and is fixed to the back surface of the handrail. According to this, since the connected object mounting piece and the handrail mounting piece are formed continuously, the respective mounting pieces are fixed to the connected object and the handrail, respectively, so that the connection tool is connected to the handrail. The handrail can be connected to the connected object. Also, this connection tool
Since the whole is formed in a thin plate shape and the handrail mounting piece is fixed to the back surface of the handrail, the connecting tool can be easily attached to the handrail even when the cross section of the handrail is small. Therefore,
The handrail can be easily connected to the connected object. In addition, the handrail mounting piece is bent at a constant angle with respect to the connected object mounting piece. However, since the entire handrail mounting piece is made of a thin plate-like metal, the handrail mounting piece can be finely adjusted in its bending angle. Can be folded. Therefore, the bending angle of the handrail mounting piece can be finely adjusted in accordance with the actual installation angle of the handrail at the time of construction, so that an error in the installation angle of the handrail can be easily adjusted on site.

According to a second aspect of the present invention, there is provided a connecting device for a handrail, wherein the handrail attaching piece and the connected object attaching piece include:
Each of the screw holes is provided, and a screw is inserted through the screw hole and screwed to the handrail and the object to be connected. Accordingly, the connecting tool can be firmly fixed to the handrail and the connected body, so that the connection between the handrail and the connected body can be firmly performed.

Further, a handrail connecting device according to a third aspect of the present invention is characterized in that the handrail mounting piece is fitted and fitted in a groove formed on the back surface of the handrail. Thereby, since the handrail mounting piece is fitted into the concave groove, by arranging the handrail mounting piece in the installation direction of the handrail, the positioning of the handrail with respect to the connected object is facilitated, and the construction of the handrail is further facilitated. Become. The connected object may be any of a main pillar, a wall, or a handrail.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. The handrail connecting device 1 according to the present embodiment, when constructing a decorative staircase handrail in which the handrail 4 is attached to columns 5, 9 erected on the side surfaces of the stairs as shown in FIG. In the case where the handrail 4a is connected to the main pillar 5 in the portion, the case where the handrail 4b is connected to the wall 6 in the portion B in the drawing, and the handrail 4a and the handrail 4b in the bent portion of the handrail 4 in the portion C in the drawing. This is used when connecting.

First, the connection tool 1 used to connect the handrail 4a and the main pillar 5 in the portion A in FIG. 1 will be described. FIG.
As shown in (a), the connecting device 1a is entirely formed in a rectangular thin plate shape, and is made of a metal such as stainless steel, iron, brass, or copper. The connector 1a is bent into two at a certain angle around a center line that divides the thin plate into two in the longitudinal direction. One of the bent sides is configured as a column-side mounting piece (connected object mounting piece) 3 that is fixed to the upper end surface of the master pillar 5, and the other side is configured as a handrail mounting piece 2 that is fixed to the back surface of the handrail 4a. The column mounting piece 3 and the handrail mounting piece 2 are formed in the same shape and the same size. By fixing these mounting pieces 2 and 3 to the main pillar 5 and the handrail 4a, respectively, this connecting tool 1a
The handrail 4a is connected to the main pillar 5 via the. At this time, the handrail mounting piece 2 is formed in a thin plate shape and is fixed to the back surface of the handrail 4a. Therefore, even when the cross section of the handrail 4a is small, the connecting tool 1a can be easily mounted on the handrail 4a.
Further, since the column mounting piece 3 is also formed in a thin plate shape and is mounted on the upper end surface of the main column 5, the main column 5 is compared with the conventional connection bolt 100 (see FIGS. 9 and 10) embedded in the column. It can be easily attached to

The handrail mounting piece 2 is sized to fit into a continuously formed groove 41a on the back surface of the handrail 4a. Therefore, by fitting the handrail mounting piece 2 into the concave groove 41a on the back surface of the handrail 4a and mounting it, the positioning of the handrail 4a is facilitated and the handrail 4a is easily constructed.

The handrail mounting piece 2 is bent in advance so as to form a fixed angle with the pillar mounting piece 3 in accordance with the installation angle of the handrail 4a connected to the main pillar 5. In this case, since the pole attachment piece 3 is attached to the upper end face of the main pole 5, the bending angle θ of the connecting tool 1 a is set to match the installation angle of the handrail 4 a with respect to the upper end face of the main pole 5. . In this example, the bending angle θ is set to 142 degrees. However, since this connecting tool 1a is entirely formed of a thin plate-shaped metal, the angle of the handrail mounting piece 2 can be appropriately bent and adjusted according to the actual installation angle of the handrail 4a at the time of construction. . Therefore, at the time of construction, the actual handrail 4
By bending and adjusting the handrail mounting piece 2 in accordance with the installation angle of “a”, an error in the installation angle of the handrail 4a can be easily adjusted at the site.

The handrail mounting piece 2 and the column mounting piece 3 are provided with four screw holes 21 and 31, respectively. Each of the screw holes 21 and 31 has 4
It is screwed to the back surface of the handrail 4a and the upper end surface of the main pillar 5 through two screws N. Thereby, this connecting device 1
a can be firmly fixed to the main pillar 5 and the handrail 4, and as a result, the connection between the handrail 4a and the main pillar 5 can be further strengthened.

In order to connect the handrail 4a to the main pillar 5 using the connecting tool 1a having the above structure, referring to FIG.
First, the column mounting piece 3 of the connecting tool 1 a is arranged on a fillet member 51 joined to the upper end surface of the main column 5. At this time, the handrail attachment piece 2 continuously formed with the pillar attachment piece 3 is arranged so as to face the installation direction of the handrail 4, and then the screws N are fixed to all the four screw holes 31 provided in the pillar attachment piece 3. Let it. Next, as shown in FIG.
The handrail 4a is arranged so that the concave groove 41a formed on the back surface of the handrail fitting piece 2 fits with the handrail mounting piece 2.
Are fixed through screws N in all the four screw holes 21 provided in. The connecting tool 1a is formed to be bent at a predetermined angle in advance according to the installation angle of the main pillar 5 and the handrail 4a as described above. If adjustment is required, the handrail mounting piece 2 of the connecting tool 1a is appropriately bent and adjusted before the handrail 4a is attached at the site. This is because the connecting member 1a is formed of a thin metal plate, and the handrail mounting piece 2 can be bent with respect to the column mounting piece 3.

By fixing each of the mounting pieces 2 and 3 to the main pillar 5 and the handrail 4a in this manner, the connecting tool 1
The handrail 4a can be connected to the main pillar 5 via a.
Further, by using the metal connecting tool 1a which is entirely thin and made of metal, even if the handrail 4a has a small cross section, the handrail 4a can be used.
Can be easily connected to the main pillar 5, and the error in the installation angle of the handrail 4a can be easily adjusted on site, and as a result, compared with the case using the conventional connection bolt 100 (see FIGS. 9 and 10). The workability of the handrail 4a can be improved.

Finally, the handrail 4a is placed on the main pole 5.
And the cover member 7 assimilated with the above is fixedly bonded with an adhesive. At this time, since the concave groove 71 on the back surface of the cover member 7 covers the column mounting piece 5 and is fitted to the fillet member 51,
The fixing of the connection tool 1a to the main pillar 5 is further strengthened.

Next, the connecting device 1 used for connecting the handrail 4b and the wall 6 in the portion B in FIG. 1 will be described. FIG.
As shown in (a), in this connecting tool 1b, the bending angle θ between the wall mounting piece 3 and the handrail mounting piece 2 as the connected object mounting pieces is set to 90 degrees. Other configurations are the same as those of the connection tool 1a used for connection with the main pillar 5 described above.

In order to connect the handrail 4b to the wall 6 using the connecting tool 1b, first, referring to FIG.
The wall mounting piece 3b is arranged at a predetermined position on the wall surface 6w, and screws 4 are fixed through all four screw holes 31 provided on the wall mounting piece 3. In this example, a reinforcing plate 61 made of a gypsum board is attached to the back of a decorative plate forming a wall surface 6w to which the connecting tool 1b is attached, and a screw N is inserted into the reinforcing plate 61. I have. Next, as shown in FIG. 3B, the handrails 4b are arranged so that the concave grooves 41 formed on the back surface of the handrails 4b are fitted with the handrail mounting pieces 2, and four positions provided on the handrail mounting pieces 2 are provided. The screw N is fixed through all the screw holes 21. In this case as well, if it is necessary to finely adjust the installation angle when constructing the handrail 4b, the
Before mounting b, the handrail mounting piece 2 is appropriately bent and adjusted. In this way, by fixing each of the mounting pieces 2 and 3 to the wall surface 6w and the handrail 4b,
The handrail 4b can be connected to the wall 6 via the connecting tool 1b. Finally, the child pillar 62 is installed as a cover member so that the connection tool 1b attached to the wall surface 6w is hidden, so that the appearance is not impaired.

In the above case, the handrail 4b is attached to the wall 6w.
Although the case where the handrail 4b is installed at 38 degrees with respect to the wall surface 6w as shown in FIG. The handrail 4b can be connected to the wall 6 via the connecting tool 1c by using a member having a bending angle θ of 38 degrees with the mounting piece 2.

Also, as shown in part D of FIG.
Also in the case where the handrail 4b is connected to the upper end of the waist wall 8 juxtaposed to 0, the bending angle θ between the wall attachment piece 3 and the handrail attachment piece 2 as the attachment pieces to be connected is set to 90 degrees. Connector 1
By using b, the connection may be made in the same manner as the connection method of the wall 6 with the wall surface 6w shown in FIG. 3 (see FIG. 6). However,
As shown in FIG. 6, in the waist wall 8, the handrail 4b is installed continuously at the upper end thereof, so that the handrail mounting piece 2 is flush with the upper end surface of the waist wall 8 and the groove of the handrail 4b is formed. The wall mounting piece 3 is attached to the side end 81 of the waist wall 8 so as to fit with the side wall 81b.
Fixed to. After connecting the handrail 4b and the waist wall 8 with the connecting tool 1b, a child pillar 82 is installed on the side end 81 of the waist wall 8 as a cover member. Thereby, the connection tool 1b
The wall mounting piece 3 is hidden and the appearance is improved.

Next, a connecting tool used for connecting the handrail 4a and the handrail 4b at the bent portion of the handrail 4 in the portion C in FIG. 1 will be described. As shown in FIG. 7, in this connecting tool 1d, the side fixed to the inclined handrail 4a is a connected object mounting piece 3, and the side fixed to the handrail 4a arranged in parallel is the handrail mounting piece 2. . The bending angle θ between the connected object mounting piece 3 and the handrail mounting piece 2 is set to 142 degrees. That is, the connecting tool 1d has the same configuration as the connecting tool 1a used for connection with the master pillar 5 shown in FIG. 2, but has the upside down.

A handrail 4a and a handrail 4 are formed by using the connecting device 1d.
In order to connect b, referring to FIG. 7, the above-mentioned connected object mounting piece 3 is fitted into the concave groove 41a of the handrail 4a on the inclined side, and four screws provided on the connected object mounting piece 3 are provided. All the holes 31 are screwed with screws N. Similarly, the handrail mounting piece 2 is fitted into the groove 41b of the handrail 4b installed in parallel, and four screw holes 2 provided in the handrail mounting piece 2 are provided.
1 is screwed on with screws N. Then, the handrail 4a inclined and the handrail 4b installed in parallel can be connected via the connecting tool 1d. Also, in this case, if it is necessary to finely adjust the installation angle when the handrails 4a and 4b are installed on the pillar, the handrail mounting piece 2 is appropriately bent and adjusted before being attached to the handrails 4a and 4b at the site. To respond.

As described above, the connection device 1 (1a, 1b,
By using 1c, 1d), even when the handrail 4 has a small cross section, the handrail 4 can be easily connected to the main pole 5, the wall 6, and the handrails. The adjustment of the installation angle error of the handrail 4 can be easily performed on site, and as a result, the workability of the handrail 4 can be improved as compared with the case of using the conventional connection bolt 100 shown in FIGS.

[0022]

As described above, according to the handrail connecting device of the first aspect of the present invention, since the above-mentioned connected member mounting piece and the above handrail mounting piece are formed continuously, By fixing the mounting pieces to the object to be connected and the handrail, the handrail can be connected to the object to be connected via the connecting tool. In addition, since this connecting device is formed as a thin plate as a whole and the handrail mounting piece is fixed to the back surface of the handrail,
Even when the cross section of the handrail is small, the connecting tool can be easily attached to the handrail. Therefore, the handrail can be easily connected to the object to be connected. In addition, the handrail mounting piece is bent at a fixed angle with respect to the connected object mounting piece, but since the whole is made of a thin metal plate, the bending angle of the handrail mounting piece can be finely adjusted. Can be folded. Therefore, since the bending angle of the handrail mounting piece can be finely adjusted according to the actual installation angle of the handrail at the time of construction, an error in the installation angle of the handrail can be easily adjusted on site. Therefore, by using this connector, even if the cross section of the handrail is small, the handrail can be easily connected to a connected object such as a pillar or a wall, and the error of the installation angle of the handrail can be easily adjusted on site. As a result, FIG.
Workability of the handrail can be improved as compared with the case of using the conventional connection bolt shown in FIG.

According to the handrail connecting device of the second aspect of the present invention, the handrail mounting piece and the connected object mounting piece are provided with screw holes, respectively, and a screw is passed through the screw hole. Since the handrail is screwed to the object to be connected, the connecting tool can be firmly fixed to the handrail and the object to be connected. As a result, the connection between the handrail and the object to be connected is also reduced. Can be performed firmly.

Further, according to the handrail connecting device of the third aspect of the present invention, since the handrail mounting piece is fitted and mounted in a groove formed on the back surface of the handrail,
By arranging the handrail mounting piece in the installation direction of the handrail, the positioning of the handrail with respect to the connected object is facilitated, and the construction of the handrail is further facilitated.

[Brief description of the drawings]

FIG. 1 is a plan view showing a decorative staircase handrail constructed using a connector according to an embodiment.

FIG. 2 is a perspective view showing a connecting tool 1a used for connecting a handrail 4a and a main pillar 5 at a portion A in FIG.

FIG. 3 is a perspective view showing a connecting tool 1b used for connecting a handrail 4b and a wall 6 in a portion B in FIG.

FIG. 4 is a perspective view showing another connecting tool 1c used for connecting the handrail 4b to the wall 6;

FIG. 5 is a plan view showing another decorative staircase handrail constructed using the connecting device according to the embodiment.

6 is a perspective view showing a connector 1b used for connecting the handrail 4b and the waist wall 8 in a portion B in FIG.

7 is a perspective view showing a connecting tool 1d used for connecting the handrail 4a and the handrail 4b at a bent portion of the handrail 4 in a portion C in FIG. 1;

FIG. 8 is a plan view showing a decorative staircase handrail constructed using a conventional connection bolt.

FIG. 9 is a plan view showing a connection bolt 100 used for connecting the handrail 40 and the main pillar 50 in a portion A in FIG.

FIG. 10 is a plan view showing a connection bolt 100 used for connecting the handrail 40 and the wall 60 in a portion B in FIG.

[Explanation of symbols]

 1, 1a, 1b, 1, 1d Connector 2 Handrail mounting piece 21 Screw hole 3 Connected body mounting piece (post mounting piece, wall mounting piece) 31 Screw hole 4, 4a, 4b Handrail 41a, 41b Groove 5 Main pillar Reference Signs List 51 fillet member 6 wall 6w wall surface 61 reinforcing plate 62 child pillar 7 cover member 71 concave groove of cover member 8 waist wall 81 side end of waist wall 82 child pillar 9 pillar

 ────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Takashi Tsubouchi 2-1 Murakumocho, Showa-ku, Nagoya-shi, Aichi F-term (reference) in Kawago Seiko Co., Ltd. 2E101 HH16 KK09 LL04 MM06 MM08

Claims (4)

[Claims] 1. A connecting tool for connecting a handrail to be connected to a staircase to be installed on a staircase, the whole being formed of a thin plate-shaped metal, and a connecting member mounting piece fixed to the connected object, A handrail attachment that is bent at a predetermined angle with respect to the connected object attachment piece, is continuously formed, and is fixed to the back surface of the handrail. 2. The handrail connecting device according to claim 1, wherein a screw hole is provided in each of the handrail mounting piece and the connected object mounting piece, and the handrail and the handrail are screwed through the screw hole. A handrail connecting device, which is screwed to a connected object. 3. The handrail connecting device according to claim 1, wherein the handrail mounting piece is fitted and fitted in a groove formed on a back surface of the handrail. Fittings. 4. The handrail connecting device according to claim 1, wherein the object to be connected is a main pillar, a wall, or a handrail.