JP7117528B2 - Handrail support device - Google Patents

Description

The present invention relates to a handrail support device for supporting a handrail.

2. Description of the Related Art Conventionally, handrail devices installed in the shape of a balustrade (fence) at the edges of stairs, atriums, and the like have been known. Such a handrail device is configured such that the handrail is supported by a plurality of posts whose lower end side is fixed to an installation surface such as a footboard or floor, and whose upper end side is fixed to the handrail. Moreover, such a handrail device is provided with a horizontal beam fixed to the height direction midway portion of the plurality of pillars.
For example, Patent Literature 1 below describes a main body provided with a receiving groove-shaped recess into which the horizontal rail is fitted from above, as a fixture for fixing the horizontal rail to a post that supports a handrail, and this main body. A fixture is disclosed that includes a cap body that is placed over the. The main body of this fixture is elongated along the longitudinal direction of the horizontal rail material, and is provided with introduction holes on both sides in the longitudinal direction for screws that are screwed into the horizontal rail material from both the front and rear sides of the post (longitudinal direction of the handrail). It is considered to be a configuration.

Japanese Patent No. 4119445

However, in the fixture disclosed in Patent Document 1, since there are portions provided with screw introduction holes on both front and rear sides of the support, the fixture for fixing the cross member protrudes greatly on both front and rear sides of the support. It was something. In addition, since the main body is covered with the cap body, the thickness of the portion surrounding the four circumferences of the cross member becomes large.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a handrail supporting device capable of fixing cross beams to posts for supporting handrails in an attractive manner.

In order to achieve the above object, the handrail support device according to the present invention comprises a plurality of posts installed at intervals in the longitudinal direction of the handrail, horizontal beams arranged in the middle of the posts in the height direction, a horizontal rail fixing member having a substantially rectangular tubular shape through which the horizontal rail is inserted and fixing the horizontal rail to the support; a first side wall of the horizontal rail fixing member facing a side surface of the support; A second side wall arranged in parallel to the second side wall is provided with an insertion hole for a stopper that penetrates the first side wall and is fastened to the support column, and connects the lower ends of the first side wall and the second side wall. The lower wall is provided with an insertion hole for a stopper to be fastened to the cross beam.

The handrail support device according to the present invention is configured as described above, so that the horizontal beams can be fixed to the posts that support the handrail with good appearance.

BRIEF DESCRIPTION OF THE DRAWINGS It is a partially broken schematic exploded perspective view which shows typically an example of the handrail support apparatus which concerns on one Embodiment of this invention. It is a partially broken schematic side view which shows the same handrail support apparatus typically. (a) is a partially broken schematic side view corresponding to the Y section in FIG. 2, (b) is a partially broken schematic cross sectional view corresponding to the X1-X1 line arrow view in (a), (c ) is a partially omitted schematic cross-sectional view corresponding to the line X2-X2 in (a).

An embodiment of the present invention will be described below with reference to the drawings.
It should be noted that some of the detailed reference numerals attached to other drawings are omitted in some of the drawings.
Further, in the following embodiments, directions such as the vertical direction will be described with reference to the state in which the handrail support device according to the present embodiment is installed.
1 to 3 are diagrams schematically showing an example of a handrail support device according to this embodiment.

As shown in FIGS. 1 and 2, the handrail support device 1 according to the present embodiment includes a plurality of posts 20 installed at intervals in the longitudinal direction of the handrail 6, and midway portions in the height direction of these posts 20. A horizontal rail 25 arranged and a horizontal rail fixing member 10 for fixing the horizontal rail 25 to the column 20 are provided.
In this embodiment, the handrail support device 1 is configured to support a handrail 6 installed on the open side of an open-type staircase 3 . In other words, the handrail support device 1 is configured to support the handrail 6 that is arranged in a slanted shape according to the slope of the stairs 3 . In the following description, the front side (lower floor side) is defined as the front, with the state of facing the stairs 3 on the lower floor side as a reference.

The handrail 6 is elongated in the ascending/descending direction of the stairs 3. The inclination angle of the handrail 6 with respect to the horizontal plane may be an angle corresponding to the slope of the stairs 3, and may be, for example, about 30 degrees to 55 degrees. FIG. 2 shows an example in which the inclination angle of the handrail 6 is about 35 degrees. Further, an appropriate cap member may be provided at the end on the lower floor side which is one longitudinal direction side of the handrail 6 and the end portion on the upper floor side which is the other longitudinal direction side of the handrail 6 .
The handrail 6 is supported by fixing support posts 20 which are installed at intervals in the longitudinal direction in the middle of the longitudinal direction. A support 20 (not shown) that supports the end of the lower floor of the handrail 6 is installed on the floor 2 of the lower floor. It is installed on the footboard 4 . These struts 20, 20 may be installed with a one-step interval.

The column 20 is elongated in the vertical direction and has a substantially quadrangular prism shape. In this embodiment, the strut 20 has a hollow cylindrical shape, as shown in FIG. 3(b). A front surface and a rear surface of the support column 20 facing the ascending/descending direction of the stairs 3 are parallel to each other and substantially flat.
In addition, a side surface 21 of the support 20 facing outward (open side) in the width direction of the stairs 3 is provided with a recessed portion 22 opening at the side surface 21 . This recessed portion 22 is provided so as to be positioned substantially at the center of the post 20 in the front-rear direction (longitudinal direction of the handrail 6). In addition, in this embodiment, the concave portion 22 is configured to have a groove shape extending along the longitudinal direction of the column 20 (see FIG. 3A). The recess 22 may be provided over substantially the entire length of the post 20 . In addition, in the example of the drawing, an example in which a similar groove-shaped concave portion is provided on the side surface of the support 20 facing the center side in the width direction of the stairs 3 is shown. With such a configuration, the crosspieces 25 can be fixed to the side surfaces 21 on either side of the column 20 via the crosspiece fixing members 10 described below.

A fixing portion 23 fixed to the handrail 6 is provided at the upper end portion of the post 20, as shown in FIG. The fixed portion 23 is fixed to the lower surface side of the handrail 6 with fasteners such as screws. The fixed portion 23 may be rotatable (swingable) with respect to the column 20 about an axis extending in the width direction of the stairs 3 .
Further, the lower end portion of the support 20 is fixed via a base member 24 to the installation target (the floor 2 or the footboard 4) of the support 20 . The base member 24 may be fixed to the installation target with a fastener. Also, the base member 24 is provided with a recess into which the lower end of the support 20 is inserted so as to open upward. The post 20 may be fixed to the base member 24 by attaching a stopper penetrating the side peripheral wall of the base member 24 to the lower end portion inserted into the recess of the base member 24 .

Further, the column 20 may be fixed to the front end portion of the footboard 4 on the upper side at the middle portion in the height direction. In the example shown, the treads 4 of the stairs 3 are provided with a nosing projecting forward from the riser 5 forming the riser surface, and the rear surface of the post 20 is brought into contact with the front end surface of the nosing. there is The middle portion of the support 20 in the height direction may be fixed to the nosing portion with a stopper, or may be fixed via an appropriate fixing member. It should be noted that the manner in which the column 20 is fixed and the manner in which the handrail 6 is supported are not limited to those described above, and various modifications are possible.

The horizontal rails 25 are arranged parallel to the handrail 6, as shown in FIG. In other words, in the present embodiment, the horizontal beam 25 is elongated in the ascending/descending direction of the stairs 3 and arranged in an inclined manner according to the gradient of the stairs 3 . Also, an example is shown in which a plurality of (four in the figure) horizontal beams 25 are provided vertically in parallel. Since these horizontal beams 25 have the same configuration, one horizontal beam 25 will be described below as an example.
The crossbar 25 is formed in a substantially quadrangular prism shape. In the present embodiment, the crosspiece 25 is hollow cylindrical as shown in FIGS. 1 and 3(b). Also, the horizontal beam 25 is formed thinner than the support 20 .

As shown in FIG. 1, the horizontal beam fixing member 10 has a substantially square tubular shape through which the horizontal beam 25 is inserted. The horizontal rail fixing member 10 fixes the inserted horizontal rail 25 to the column 20 . Also, depending on the length dimension of the horizontal beam 25, the horizontal beam fixing member 10 for fixing the longitudinal middle part of the horizontal beam 25 to the support 20 and the end portions 26 of the horizontal beams 25, 25 adjacent in the longitudinal direction. , 26 may be provided. FIG. 1 illustrates a cross bar fixing member 10 for fixing end portions 26, 26 of cross bars 25, 25 adjacent in the longitudinal direction. That is, the horizontal rail fixing member 10 is configured to fix the horizontal rails 25 , 25 adjacent to each other in the longitudinal direction to the column 20 so as to join the horizontal rails 25 , 25 .
The horizontal rail fixing member 10 has a first side wall 14 facing the side surface 21 of the column 20 and a second side wall 17 arranged parallel to the first side wall 14 . Moreover, the horizontal rail fixing member 10 connects the upper end portion of the first side wall 14 and the second side wall 17 to the upper end portion of the upper end portion of the first side wall 14 and the second end wall 17 . and a lower wall 12 provided to accommodate.

The first side wall 14 , the second side wall 17 , the upper side wall 11 and the lower side wall 12 are provided so as to surround the horizontal beam 25 on all four sides. In addition, the dimensions along the longitudinal direction of the handrail 6 (longitudinal direction of the horizontal rail 25) of the first side wall 14, the second side wall 17, the upper side wall 11 and the lower side wall 12 are set so that the horizontal rail 25 inserted therethrough can be fixed. Also, from the viewpoint of appearance, etc., the dimensions may be set appropriately. In the illustrated example, the dimensions of the first side wall 14, the second side wall 17, the upper side wall 11 and the lower side wall 12 along the longitudinal direction of the handrail 6 are the same. Also, an example is shown in which the dimension of the horizontal rail fixing member 10 along the longitudinal direction of the handrail 6 is substantially the same as the width dimension along the front-rear direction of the support 20 when the horizontal rail fixing member 10 is arranged horizontally. there is In addition, the dimension of the horizontal rail fixing member 10 along the longitudinal direction of the handrail 6 may be less than or equal to the width dimension of the column 20 .
The first side wall 14 and the second side wall 17 are in the form of thin plates arranged along the width direction of the stairs 3 in the thickness direction. The upper wall 11 and the lower wall 12 are formed in a thin plate shape arranged along the direction perpendicular to the width direction of the staircase 3 and the ascending/descending direction of the staircase 3 . The thickness dimensions of the first side wall 14, the second side wall 17, the upper side wall 11, and the lower side wall 12 may be set appropriately from the viewpoint of appearance, strength, etc., or may be substantially the same. good. The thickness dimension of the first side wall 14, the second side wall 17, the upper side wall 11 and the lower side wall 12 may be, for example, about 0.5 mm to 5 mm.

As shown in FIGS. 1 and 3B, the upper wall 11 has no holes and the like, and has a flat surface facing upward.
The lower wall 12 is provided with an insertion hole 13 (see FIG. 3(c)) for the stopper 9 to be fastened to the horizontal beam 25. As shown in FIG. This insertion hole 13 is provided so as to penetrate the lower wall 12 in the thickness direction. Further, the insertion hole 13 has a hole diameter smaller than the diameter of the head portion 9a of the stopper 9 so as to serve as a seat for the head portion 9a of the stopper 9. As shown in FIG. In addition, as shown in FIG. 3A, the insertion hole 13 is formed so that the head portion 9a of the stopper 9 extends along the longitudinal direction of the handrail 6 of the column 20 when the horizontal rail fixing member 10 is fixed to the column 20. It is provided so as not to be exposed on both sides in the width direction. That is, the insertion hole 13 is provided so that the head portion 9a of the stopper 9 inserted through the insertion hole 13 of the lower wall 12 fits within the width of the support 20 when viewed in the width direction of the stairs 3. . In addition, in this insertion hole 13, the head portion 9a of the stopper 9 is exposed on both sides in the width direction along the longitudinal direction of the handrail 6 of the support 20 in a state in which the horizontal rails 25 are arranged in an inclined manner according to the slope of the stairs 3. In order to avoid this, it may be provided at an appropriate position according to the slope of the general stairs 3 as described above.

In this embodiment, the lower wall 12 is provided with a plurality of (two in the figure) insertion holes 13 , 13 . These insertion holes 13, 13 are spaced apart in the longitudinal direction of the handrail 6. As shown in FIG. Further, these insertion holes 13, 13 are provided so as to be positioned substantially centrally in the width direction of the stairs 3 in the lower wall 12. As shown in FIG. Further, these insertion holes 13, 13 are provided so as to be positioned at approximately equal intervals from the central portion of the lower wall 12 in the longitudinal direction of the handrail 6. As shown in FIG. In the illustrated example, the shaft portion of the stopper 9 is inserted through the insertion holes 13, 13 with the head portion 9a of the stopper 9 substantially entirely exposed. A counterbore-shaped (counterbore-shaped) recess that receives a part or substantially all of the portion 9a may be provided.

The second side wall 17 is provided with an insertion hole 18 for a stopper 8 that passes through the first side wall 14 and is fastened to the post 20 . This insertion hole 18 is provided so as to pass through the second side wall 17 in the thickness direction. Further, the insertion hole 18 has a hole diameter larger than the diameter of the head of the stopper 8 so that the head of the stopper 8 can be inserted. Also, this insertion hole 18 is provided so as to be positioned substantially at the center of the second side wall 17 when viewed in the thickness direction of the second side wall 17 .
In this embodiment, the handrail support device 1 has a cap member 19 that covers the insertion hole 18 . The cap member 19 has a larger diameter than the insertion hole 18 so as to cover the insertion hole 18 . In the illustrated example, the cap member 19 has a substantially circular shape when viewed in the penetrating direction of the insertion hole 18 . In addition, the cap member 19 is provided with a fitting portion 19 a that is fitted into the insertion hole 18 . The cap member 19 may be attached by press-fitting the fitting portion 19 a into the insertion hole 18 . Note that the cap member 19 is not limited to having such a configuration, and may have various other configurations.

In this embodiment, the first side wall 14 is provided with a protrusion 15 that is inserted into the recess 22 of the post 20 . The projecting portion 15 is configured to be rotatably inserted into the recessed portion 22 of the post 20 about an axis along the projecting direction of the projecting portion 15 . In this embodiment, the protruding portion 15 is configured to have a substantially cylindrical shape with an outer diameter corresponding to the groove width of the recessed portion 22 . 3(b) and 3(c), the projecting dimension of the projecting portion 15 is determined according to the groove depth dimension of the recess 22. As shown in FIGS. The projecting dimension of the projecting portion 15 may be an appropriate dimension so that the first side wall 14 abuts or closely faces the side surface 21 of the support 20 when inserted into the recess 22 .

Further, the projecting portion 15 is provided so as to be positioned substantially at the center of the first side wall 14 when viewed in the thickness direction of the first side wall 14 . That is, the projecting portion 15 is provided substantially concentrically with the insertion hole 18 of the second side wall 17 .
Further, in this embodiment, the first side wall 14 is provided with an insertion hole 16 for the stopper 8 . This insertion hole 16 is provided so as to penetrate the protruding portion 15 along the protruding direction. Also, the insertion hole 16 is provided substantially concentrically with the insertion hole 18 of the second side wall 17 .
Further, the insertion hole 16 has a countersunk recess 16a for receiving substantially the entire head portion of the stopper 8 on the side of the second side wall 17. As shown in FIG. Further, the insertion hole 16 is configured to have a shaft insertion portion 16b through which the shaft portion of the stopper 8 is inserted so as to be continuous with the recess 16a.

As shown in FIGS. 3(b) and 3(c), the horizontal beam fixing member 10 configured as described above has the projecting portion 15 inserted into the recessed portion 22 of the column 20, and the insertion hole 18 of the second side wall 17 and the first side wall. The stopper 8 may be fixed to the support 20 by attaching it to the support 20 through the insertion hole 16 of 14 . Further, the horizontal rail 25 is fixed by attaching the fastener 9 through the insertion hole 13 of the lower wall 12 to the horizontal rail 25 inserted into the hollow portion of the horizontal rail fixing member 10 thus fixed. You may make it Also, a cap member 19 may be attached to the insertion hole 18 of the second side wall 17 .
Note that the horizontal rail fixing member 10 may be configured such that the end portion 26 of the horizontal rail 25 is fixed to the strut 20 that supports the longitudinal end portion of the handrail 6 . In this case, a cap member or the like may be provided to cover the opening facing the longitudinal direction of the handrail 6 of the horizontal beam fixing member 10 .

Further, the horizontal rail fixing member 10 and the horizontal rail 25 are not limited to being arranged and fixed in an inclined manner with respect to the horizontal plane as described above. For example, the horizontal beam fixing member 10 may be one that fixes a horizontal beam 25 provided in parallel to the support 20 below the handrail 6 that is horizontally arranged at the edge of the atrium, landing, or corridor.
Further, the horizontal rail fixing member 10, the support column 20, and the horizontal rail 25 may be made of a synthetic resin-based material or a metal-based material. Also, the struts 20 and the horizontal beams 25 may be made of a wood-based material. Also, the handrail support device 1 according to the present embodiment may be grasped as a handrail device including the handrail 6 described above.

Since the handrail support device 1 according to the present embodiment is configured as described above, it is possible to fix the horizontal beams 25 to the posts 20 that support the handrail 6 with good appearance.
In other words, it has a substantially square tubular shape through which the horizontal beam 25 is inserted, and is provided with the horizontal beam fixing member 10 for fixing the horizontal beam 25 to the column 20 . Therefore, the thickness of the portion surrounding the four circumferences of the horizontal beam 25 can be effectively reduced compared to a structure in which the main body is covered with a cap. In addition, the second side wall 17 of the cross bar fixing member 10 is provided with an insertion hole 18 for the stopper 8 that passes through the first side wall 14 facing the side surface 21 of the support 20 and is fastened to the support 20. there is Therefore, the fixing member 10 can be fixed to the column 20 by attaching the stopper 8 to the column 20 through the insertion hole 18 of the second side wall 17 . In addition, the lower wall 12 is provided with an insertion hole 13 for the stopper 9 to be fastened to the horizontal beam 25 . Therefore, the stopper 9 can be made inconspicuous compared to the structure in which the first side wall 14 facing the side surface 21 of the post 20 is provided with an insertion hole for the stopper 9 to be fastened to the horizontal beam 25 . . Moreover, it is not necessary to provide portions that protrude significantly on both sides in the width direction along the longitudinal direction of the handrail 6 of the post 20, and the dimension of the horizontal rail fixing member 10 along the longitudinal direction of the handrail 6 can be reduced.

Further, in the present embodiment, the head portion 9a of the stopper 9 extends through the insertion hole 13 of the lower wall 12 in the width direction along the longitudinal direction of the handrail 6 of the column 20 in a state in which the horizontal rail fixing member 10 is fixed to the column 20. It is configured so that it is not exposed on both sides. Therefore, when viewed from the side of the first side wall 14, the head portion 9a of the stopper 9 is hidden by the support 20, so that the head portion 9a of the stopper 9 can be made less conspicuous.
Further, in this embodiment, a cap member 19 is provided to cover the insertion hole 18 of the second side wall 17 . Therefore, the insertion hole 18 of the stopper 8 can be covered with the cap member 19, and the appearance can be improved. Note that a configuration in which such a cap member 19 is not provided may be adopted.

Further, in this embodiment, the first side wall 14 of the horizontal beam fixing member 10 is provided with the projecting portion 15 that is inserted into the concave portion 22 provided in the side surface 21 of the post 20 . Therefore, by inserting the projecting portion 15 into the recess 22 of the support 20 , the horizontal rail fixing member 10 can be positioned with respect to the support 20 . In the above example, the side surface 21 of the post 20 is provided with the groove-shaped recessed portion 22 , but a hole-shaped recessed portion 22 having a shape corresponding to the projecting portion 15 may be provided. In this case, a configuration may be adopted in which recesses 22 are provided at a plurality of locations on the side surface 21 of the support 20 at intervals in the longitudinal direction. Further, in the above example, the projecting portion 15 is configured to be rotatably inserted into the recessed portion 22 of the support 20. good too. In this case, for example, the protruding portion 15 may have a substantially polygonal prism shape. Furthermore, a configuration in which such protrusions 15 and recesses 22 are not provided may be employed.

Further, in the above example, the horizontal beam 25 has a substantially quadrangular prism shape, but it may have a substantially polygonal prism shape other than a square shape or a substantially cylindrical shape. In this case, the hollow portion of the horizontal beam fixing member 10 may be made to correspond to the shape of the horizontal beam 25 so as to be appropriately deformed. The above-described configuration of each member and each part of the handrail support device 1 according to this embodiment is merely an example, and various other modifications are possible.

1 Handrail support device 10 Horizontal rail fixing member 12 Lower wall 13 Insertion hole 14 First sidewall 15 Protruding part 17 Second sidewall 18 Insertion hole 19 Cap member 20 Post 21 Side surface 22 Recess 25 Horizontal rail 6 Handrail 8, 9 Stopper 9a Head Department

Claims (4)

A plurality of pillars installed at intervals in the longitudinal direction of the handrail, horizontal beams arranged in the middle of the height direction of these pillars, and substantially square cylindrical horizontal beams through which the horizontal beams are inserted. a crosspiece fixing member fixed to the support,
A second side wall of the horizontal rail fixing member, which is arranged parallel to the first side wall facing the side surface of the support column, has an insertion hole for a stopper that penetrates through the first side wall and is fastened to the support column. is provided, and the lower wall provided so as to connect the lower ends of the first side wall and the second side wall is provided with an insertion hole for a stopper to be fastened to the horizontal beam. handrail support device. In claim 1,
The insertion hole of the lower wall is provided so that the head portion of the stopper is not exposed on both sides in the width direction along the longitudinal direction of the handrail in a state where the horizontal rail fixing member is fixed to the support. A handrail support device characterized by: In claim 1 or 2,
A handrail support device comprising a cap member covering the insertion hole of the second side wall. In any one of claims 1 to 3,
A handrail characterized in that a side surface of the post is provided with a recess opening at the side surface, and a first side wall of the horizontal rail fixing member is provided with a projecting portion that is inserted into the recess of the post. support device.

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