JP2007085078A - Crosspiece mounting structure for staircase handrail - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a crosspiece mounting structure which can fix a crosspiece to a support through a simple structure without boring a through hole in the support, and exhibits good appearance after mounting of the crosspiece. <P>SOLUTION: The crosspiece 4 mounting structure functions to bear and fix the crosspiece 4 by a fixture A which is to be secured to the support 5 supporting a handrail 8 of a staircase. The fixture A is set up by combining a main body 1 with a cap body 2. The main body 1 is formed by arranging an inner wall 10' and an outer wall 10 having an intermediate opening 10e, opposedly to each other, and has an almost U-shaped cross section with an upward opening recess 10b secured therein. The cap body 2 is placed to the main body 1 which has the crosspiece 4 fitted in the recess 10b, from above. Then a fixing means 6 is inserted into the opening 10e formed in the outer wall 10, then embedded in the support 5, and fixed to the support 5. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a mounting structure for a horizontal rail member fixed to a column supporting a handrail of a staircase.

  In general, as shown in FIG. 6, a residential staircase has a plurality of pillars 5 standing up and down along a step 9 and a handrail 8 is installed on the upper ends of these pillars 5 and 5. And support.

  However, when the interval between the columns 5 and 5 is large, there is a risk that a child or the like may fall from between the columns 5 and 5 and the strength is weak. Therefore, a horizontal beam 4 is provided below the handrail 8. It is customary. In addition to the horizontal bars, there are those provided with wires, vertical bars, panels, and the like.

  However, in such a mounting structure provided with a horizontal beam, if the column 5 and the horizontal beam having the same specifications are applied to other stairs having different up-and-down slopes, depending on the up-and-down inclination of the stairs, the handrail 8 and the horizontal beam material are used. In this case, in order to make the crosspiece parallel to the handrail 8, the fixing position of the crosspiece to the column 5 must be finely adjusted. Adjustment work is troublesome.

Therefore, in recent years, as shown in Patent Document 1, a support shaft is passed through a support column 5 that supports a handrail 8, and a horizontal beam is supported on the support shaft so as to be rotatable in the vertical direction. A mounting structure for crosspieces has been proposed and used.
Japanese Patent Application Laid-Open No. 2004-257085

  In such an attachment structure, since the crosspiece is supported rotatably, it is excellent in that the position where the crosspiece is fixed to the column 5 can be easily finely adjusted.

  However, in order to support the horizontal beam member in a freely rotatable manner, the support shaft is penetrated from the outside of the horizontal beam member to the support column, and a through hole is formed in the horizontal beam member so as to be pivotally supported by the support shaft. Alternatively, after a rotatable mounting member is interposed on the support shaft, a horizontal beam member is connected to the mounting member so that the horizontal beam member is rotatably mounted.

  For this reason, in any structure, since the support shaft is penetrated, the support shaft is covered, so that the structure is complicated and the appearance is poor.

  It is an object of the present invention to solve such a problem, and it is not necessary to provide a through hole in the support column, the structure is simple, and the horizontal beam member looks good on the support column according to the up and down inclination of the stairs. A mounting structure for a crosspiece that can be secured is provided.

  In order to achieve the above object, the present invention according to claim 1 is a mounting structure of a horizontal beam member that receives and fixes a horizontal beam member using a fixture fixed to a column that supports a handrail of a staircase, The fixture includes an inner wall and an outer wall having an open middle portion facing each other, a main body formed in a substantially U-shaped cross section having a recess opened upward, and the horizontal beam member. It is configured by combining with a cap body that closes the open portion in a state of being fitted in the recess, and a fixing means is embedded in the support column through the opening of the outer wall and fixed to the support column. .

  According to a second aspect of the present invention, in the first aspect of the present invention, the main body portion of the fixture and the cap body are opened in correspondence with the respective terminal ends, and the opening end of the cap body is The cover piece is detachably mounted.

According to a third aspect of the present invention, in the first or second aspect, the support column forms a groove,
The inner wall of the main body has a structure in which a screw introduction hole is formed so as to penetrate and protrude outward to be fitted into a groove of the support column.

The present invention has the following effects.
According to the first aspect of the present invention, since the main body portion is fixed to the support column and the crosspiece is fixed to the recess of the main body portion from above by the fixing means, the through hole is provided in the support column. There is no need, the structure is easy, and the strength of the support is not weakened.

In addition, since the middle part of the outer wall of the main body is opened, the work of fixing the main body to the column is facilitated, and the horizontal beam material housed in the recess of the main body is covered with the cap body. The end of the crosspiece is not exposed, it looks good after construction, and the design effect is high.

  According to the second aspect of the present invention, in the first aspect, since the covering pieces are detachably attached to both ends of the fixture, the end of the crosspiece can be concealed, and after the construction The design effect can be further enhanced.

  According to the third aspect of the present invention, in the first or second aspect, the outer wall of the main body portion is provided with a protruding portion in which a screw introduction hole is formed, and the protruding portion is fitted in a groove portion formed in a column. Thus, the tilt angle can be easily adjusted by rotating the main body, and after the tilt angle is further adjusted, the fixing means can be embedded in the support column through the screw introduction hole of the protrusion and can be safely fixed.

  Hereinafter, the mounting structure of the horizontal rail member of the stair railing according to the present invention will be described with reference to the drawings.

  1-4 is explanatory drawing which illustrated the attachment structure of the crosspiece which concerns on this invention.

  Hereinafter, with reference to these drawings, the fixture A is configured by combining the main body portion 1 and the cap body 2, and the main body portion 1 has a structure in which the crosspiece 4 is fitted from above the recess 10b. The cap body 2 has a structure that covers the crosspiece 4 over the main body 1 accommodated in the recess 10b.

That is, the main body 1 is formed in a U-shaped cross section having a recess 10b that is formed by facing the outer wall 10 and the inner wall 10 'and opening upward, and the outer wall 10 has a notch at its middle portion. Thus, the opening 10e is formed.
Further, screw introduction holes 10 a and 10 c are formed in the inner wall 10 ′, and the screw introduction hole 10 a passes through a protrusion 10 d that protrudes outward from the inner wall 10.
Each of the columns 5 is formed of a molding material in which a groove portion 5a that runs in the longitudinal direction is formed. The column 5 is erected on a step plate 9 at a predetermined interval, and the upper end is fixed to a handrail 8 (see FIG. 6).
According to such a main body 1, after the protrusion 10 d protruding from the inner wall 10 ′ of the main body 1 is fitted into the groove 5 a of the column 5, the fixing means 6 such as a screw or a nail is attached to the outer wall 10. A hole 5b can be formed by being inserted into the screw introduction hole 10a formed through the opening 10e and penetrating into the protrusion 10d, and then screwed into the column 5, so that the hole 5b can be embedded and safely secured.
In this case, if the groove part 5a formed in the support | pillar 5 is formed in the dimension which can be rotated in the state which fitted the projection part 10d of the main-body part 1, the main-body part 1 will match the inclination angle of the handrail 8 of a staircase. It can be adjusted easily.

  Needless to say, the column 5 is not limited to the illustrated example, and a column in which the groove 5a is not formed can be used. When using such a support | pillar 5, you may form the hole of the dimension which can fit the protrusion part 10d with a drill.

In this way, after holding the main body 1 at a desired inclination angle and fixing it to the support column 5, the crosspiece 4 is fitted into the recess 10b of the main body 1 from above, and the inner wall 10 ' A screw 7 or the like is screwed into the screw introduction hole 10c from the outside, and the horizontal beam 4 is integrally fixed to the main body 1 so that the horizontal beam 4 can be prevented from being displaced.
In addition, in the example of FIG. 1, although the screw 6 and the washer 6a are used as a fixing means, it is not limited to such a thing.

As shown in FIG. 2, one cap portion 2 has a recess 20 a that covers the open portion of the main body portion 1, and is formed in a U-shaped cross section with the lower portion open. It can be easily attached and detached by elastic locking.
Therefore, if the cap body 2 is covered from above the main body 1, the opening 10 e of the main body 1 can be covered, so that the fixing means 6 such as the crosspiece 4 and the screw housed inside are not externally provided. It can be completely invisible.

  Such a fixture A can fix both the upper end, the lower end, and the intermediate connecting portion of the crosspiece 4 to the support column 5, and will be described below together with the usage procedure.

  FIG. 2 shows an example of use in the case where the crosspiece is fixed to the column below the stairs.

In this case, the main body 1 is tilted parallel to the handrail 8 by the above-described procedure and fixed to the support column 5, and the end 41 of the crosspiece 4 is positioned at the end of the main body 1 facing downward from the recess 10 b. The horizontal crosspiece 4 is accommodated in the recess 10b, and then the cap body 2 is put on.
In this case, by attaching the lid piece 3 to the opening end 10f of the cap body 2, the end 41 of the crosspiece 4 accommodated in the main body 1 can be concealed, and the appearance is also improved.

  FIG. 3 shows an example of use in the case where the crosspiece is tied and fixed in the middle of the stairs.

Since the crosspiece 4 has only a certain size, it is necessary to connect the crosspiece 4 midway when the size of the handrail 8 is larger than that, but in such a case, the main body 1 of the fixture is required. In addition, the upper and lower horizontal crosspieces 4 and 4 can be fixed to the column 5 by being accommodated in a state where the end portions 41 and 41 of the upper and lower horizontal crosspieces 4 and 4 are abutted.
In order to fix the horizontal bars 4, 4 to the main body 1, the screws 7 are screwed into the horizontal bars 4, 4 from the outside of the inner wall 10 ′ of the main body 1. , 4 is housed and fixed in the main body 1 and then the cap body 2 is put on, so that the joining portion 4a of the crosspieces 4 and 4 is concealed.

  FIG. 4 shows an example of use when the crosspiece is fixed to the support on the upper side of the stairs.

  In this case, unlike the case of the lower side of the staircase, the horizontal beam 4 is attached to the main body with the end 41 of the horizontal beam 4 aligned with the end of the main body 1 facing the upper side of the recess 10b. The end portion 41 of the crosspiece 4 can be concealed by being housed in the portion 1 and fixed in the same manner as described above, covering the cap body 2 from above the main body portion 1, and further mounting the lid piece 3.

  FIG. 5 shows the entire structure of the staircase in which the crosspieces of the handrail are fixed by the fixture A.

The pillars 5 are erected at predetermined intervals on the step board 9 of the staircase, and the upper ends of the pillars 5 are fixed to the handrail 8, and a plurality of horizontal bars 5 are fixed so as to be parallel to the handrail 8. It is fixed to the column 5 using the tool A.
According to the mounting structure of the present invention, in the above manner, the main body 1 is fixed to the column 5 supporting the handrail 8 of the step board 9 of the stairs at an appropriate interval, and the end 41 of the crosspiece 4 is attached to each main body 1. By fixing the connecting portion 4a as described above, the crosspiece 4 can be mounted horizontally along the handrail 8 and can be removed if the reverse procedure is performed.

It is a disassembled perspective view which shows the attachment part of the main-body part of the fixing tool which makes the principal part of this invention, and a crosspiece. It is the use condition figure which showed one Example in the case of fixing the lower side termination | terminus of a crosspiece. It is a use condition figure in the case of fixing the joining part in the middle of a crosspiece. It is a use condition figure in the case of fixing the upper end of a crosspiece. It is a figure which shows the completion state after construction by the mounting structure of the crosspiece which concerns on this invention. It is a schematic partial explanatory drawing which shows the structure of the support | pillar which supports the handrail of the conventional staircase.

Explanation of symbols

A Fixture 1 Main body 10 Outer wall 10 'Inner wall 10b Recess 10b' Opening 10e Opening 2 Cap body 20a 'Opening 3 Covering piece 4 Crosspiece 41 End part 5 Supporting column 6 Fixing means 8 Handrail 9 Stair tread

Claims (3)

It is a mounting structure for a horizontal beam that receives and fixes the horizontal beam with a fixture that is fixed to a column that supports the handrail of the stairs,
The fixture is
A main body portion formed in a substantially U-shaped cross section having an inner wall and an outer wall having an open middle portion facing each other and having a recess opened upward,
In a state in which the crosspiece is fitted in the recess, it is configured in combination with a cap body that covers the main body portion,
A mounting structure for a horizontal rail member of a stair railing, wherein a fixing means is embedded in the column through the opening of the outer wall and fixed to the column.
In claim 1,
The main body portion and the cap body have openings corresponding to both side ends, and the cap body has a structure in which a cover piece is detachably attached to the opening end of the cap body. Mounting structure for crosspieces.
In claim 1 or 2,
The support column forms a groove,
A horizontal rail member mounting structure for a stair handrail, in which an inner wall of the main body is provided with a protrusion that is formed through a screw introduction hole and protrudes outward, and is fitted into a groove of the column.

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