JP2008002115A - Attaching structure of staircase handrail - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an attaching structure of a staircase handrail manufactured at low cost with a simple structure, easily and quickly attached and beautifully finished. <P>SOLUTION: The attaching structure of the staircase handrail mounted to the upper end parts of a newel post and a plurality of slave posts and provided along the inclination of a staircase is constituted to form handrail fitting recessed parts at the upper end of the newel post or/and slave post, to fit handrail connection parts into the recessed parts and to fix them with fasteners to attach the handrail to the upper end of the newel post or/and slave post. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention particularly relates to an assembly structure of a handrail for stairs provided indoors.

  This kind of indoor handrail for stairs is, for example, as shown in Patent Document 1 in which a plurality of child pillars are erected between parent pillars provided at both upper and lower ends and are fitted to the bottom part of the handrail. Install handrails with grooves, and fix the upper end of each column to the handrail with a fixture such as a nail, and attach the fillet member to the fitting groove on the bottom surface of the handrail between the columns with a fixture such as a nail. A structure having such a structure has been proposed.

  However, in such a case, not only is it necessary to fix the upper end of each column to a handrail, but also to require double labor to fix the fillet member to the fitting groove portion on the lower surface of the handrail between the columns with a fixing tool such as a nail. The fixing work must be performed on the lower surface of the handrail at a narrow portion between the columns, and there is a problem that considerable skill is required to achieve a clean finish.

In addition, there is a problem that a fillet member must be prepared in addition to each column member and a handrail, resulting in an increase in the number of parts and an increase in manufacturing cost.
JP 2001-49822 A

  The present invention has been proposed in view of the above-described problems, and has an object to provide an assembly structure of a handrail for a staircase with a simple structure, low manufacturing cost, easy assembly, and a beautiful finish. It is.

  In order to achieve the above object, the structure for assembling a stair rail according to the present invention is attached to each of the upper ends of the main pillar and the plurality of sub pillars and is provided along the slope of the staircase. It is an assembling structure, and a concave portion for handrail fitting is formed at the upper end portion of the main pillar or / and the child pillar, and a connecting portion of the handrail is fitted into the concave portion and fixed by a fixing tool, The main feature is that a handrail is assembled to the upper end of the child pillar.

  In the assembly structure of the handrail for stairs according to the present invention, the attachment plate member is fixed to the left and right side portions of the column main body, and the upper end portion of the side plate member projects upward from the upper end portion of the column main body. It is also possible to form a recess, or to form the connecting portion of the handrail that fits into the handrail fitting recess of the main pillar and the child pillar with a recess into which at least a part of the handrail fitting recess fits. It is a feature.

  In the assembly structure of the handrail for stairs according to the present invention, the connection portion of the handrail is fitted into the handrail fitting recess formed at the upper end of the main pillar and / or the child pillar, and is fixed by the fixing tool. Since the handrail is assembled to the upper end portion of the pillar or / and the child pillar, it is not necessary to prepare a fillet member as in the prior art, and the number of parts is reduced correspondingly, thereby simplifying the structure and reducing the cost. There is an advantage that reduction can be achieved.

  Further, the fixing of the handrail and the upper end portion of the main pillar or / and the child pillar is performed by fitting the connecting portion of the handrail into the handrail fitting recess formed on the upper end portion of the parent pillar or / and the child pillar, The handrail can be easily attached by the operation of fixing by the fixing tool from the side of the handrail fitting recess. Accordingly, there is an advantage that the handrail can be securely attached and the finish can be made beautiful without requiring skill.

  In the handrail attachment structure of the present invention, the accessory plate member is fixed to the left and right side portions of the column main body, and the upper end portion of the side plate member is protruded upward from the upper end portion of the column main body. For example, the material can be made different or the color can be made different in the style of an attachment plate member made of metal, hard synthetic resin, or the like on a wooden pillar body.

  Further, when the handrail coupling portion that fits into the handrail fitting recess of the main pillar and the child pillar is formed by a recess into which at least a part of the handrail fitting recess fits, the assembling operation can be performed more easily. .

DESCRIPTION OF EMBODIMENTS Hereinafter, a preferred embodiment of a handrail mounting structure according to the present invention will be described with reference to the drawings.
FIG. 1 is a side view of a staircase provided with a handrail, FIG. 2 is a perspective view of a handrail portion, and reference numeral 1 in the drawing generally indicates the staircase.
This staircase 1 includes a wooden handrail 5 spanned between a wooden main pillar 2 erected on a lower landing and a wall 4 on the uppermost side of steps 3, 3, 3. , A plurality of wooden child pillars 6, 6, 6... Erected from the steps 3, 3, 3.

The main pillar 2 has its lower end fixed to the lower landing 7 and is raised, and its upper end is connected to the handrail 5, and its connection structure is as shown in FIGS. .
That is, a handrail fitting recess 8 is formed at the upper end of the main pillar 2, the fitting recess 8 is fitted to a connecting portion 9 provided on the handrail 5 side, and fixed by a fixture 10. is there.
The fitting recess 8 is provided with a fixing portion for fixing the attachment plate member 12 on the left and right side portions of the quadrangular columnar column main body 11, and a strip-like wooden attachment plate at the upper end portion of the fixing portion. It is formed by fitting in a state of protruding upward from the upper end of the column main body and fixing with an adhesive or the like (see FIGS. 3 and 4).

Further, the depth D of the fixing portion 13 of the side plate member 12 engraved on the left and right side portions of the quadrangular columnar body 11 is formed to be shallower than the thickness t1 of the side plate member 12, and the side plate member 12 Is attached to the fixed portion 13 so that part of the column body 11 protrudes from the left and right side surfaces of the column main body 11 to form a line-like accent that runs in the vertical direction (see FIGS. 1 and 2).
The upper end portion of the wooden support plate member 12 protruding upward from the upper end of the column main body 11 is processed into a semicircular shape, and a fixture insertion hole 14 through which the fixture 10 such as a wood screw is inserted is formed in the center portion. As shown in FIG. 4, a gentle spherical cap 15 is fitted into the through-fixer insertion hole 14 after the fixture 10 is inserted, and the appearance is adjusted.

  The connection portion 9 of the handrail 5 to which the fitting recess 8 of the main pillar 2 is attached is a recess that is recessed in the left and right side portions of the handrail 5 in a shape that matches the shape of the upper end portion of the accessory plate member 12. 16 is formed, and the peripheral edge portion 17 of the outer end portion of the recess 16 is slightly widened as shown in FIG. 3, and when the fitting recess 8 of the main pillar 2 is attached, the upper end of the support plate member 12 A thin line-shaped groove is formed in the peripheral portion of the connecting portion 9.

  On the other hand, the child pillar 6 has the same thickness t2 as the width W1 of the accessory plate member 12 attached to the pillar body 11 of the master pillar 2 and the length between the accessory plate members 12 and 12 attached to the left and right of the master pillar 2. A square columnar column body 18 having a width W2 substantially the same as the length L is raised from Steps 3, 3, 3,..., And the upper end portion of the column body 18 for the child column 6 is semicircular in a side view. The central portion of the column main body 18 for the child column 6 formed in the semicircular shape is cut in the width W2 direction central portion to form a handrail fitting recess 19 (see FIG. 4).

  The thickness W3 of the portion projecting upward at the left and right side portions forming the handrail fitting recess 19 in the child post 6 is the same as the thickness t1 of the accessory plate member 12 attached to the left and right of the parent post 2. A fixing tool insertion hole 14 through which the fixing tool 10 such as a wood screw is inserted is formed in the center of the semicircular portion at the upper end, and the fixing tool insertion hole 14 after the fixing tool 10 is inserted is loosely formed. The spherical cap 15 has a configuration similar to that of the upper end portion of the accessory plate member 12 in that the cap 15 is fitted.

Further, the connecting portion 9 of the handrail 5 to which the upper end portion of the child pillar 6 is attached is formed in substantially the same manner as the connecting portion 9 formed on the parent pillar 2.
That is, the connecting portion 9 of the handrail 5 to which the fitting recess 19 formed in the child post 6 is attached has a shape that matches the shape of the upper end portion of the accessory plate member 12 on the left and right side portions of the handrail 5. It is formed by a recessed recess 16 (see FIG. 4).

The case where the handrail 5 is assembled | attached to the staircase 1 using each member comprised as mentioned above is demonstrated next.
First, when steps 3, 3, 3... Are formed, attachment plate members 12 are attached to the left and right side surfaces of the pillar body 11 for the master pillar 2 at the lowest position (the landing 7 portion in the figure). The main pillar 2 in which the handrail fitting concave portion 8 is formed at the upper end portion is erected, and the child pillar 6 in which the handrail fitting concave portion 19 is formed at the upper end from each step 3, 3, 3. Launch books one by one.

Next, after fitting the handrail 5 in which the connecting portion 9 is formed on the left and right side portions facing the handrail fitting recesses 8 and 19 of the pillars 2 and 6 from above, a fixing tool such as a wood screw is provided. 10 is inserted through the fixture insertion hole 14 and screwed to the handrail 5 (see FIG. 3).
Thereafter, when the cap 15 is fitted into the through-fixer insertion hole 14 through which the fixture 10 has been inserted, the assembly of the handrail 5 to the staircase 1 is completed.
At this time, if a silicon-based adhesive is interposed between the fitting concave portions 8 and 19 of the handrail 5 and the connecting portion 9 to which the fitting concave portions 8 and 19 are attached, the adhesive also functions to prevent stagnation.

Further, in the above embodiment, the handrail 5 and the pillars 2 and 6 are made of wood. However, the pillars 2 and 6 are not limited to these, and all or part of the pillars 2 and 6 may be made of hard synthetic resin or metal. Of course you can.
Incidentally, when all or a part of each of the pillars 2 and 6 is made of metal, it is desirable to use an inferior metal such as aluminum or stainless steel.
Moreover, the number of the child pillars 6, 6, 6... Is not limited to the one that is started up from each step 3, 3, 3,. Needless to say.

Furthermore, if the configuration of the main pillar 2 in the above-described embodiment can be implemented in the child pillar 6, the configuration of the child pillar 6 can be implemented in the parent pillar 2.
In addition, in the above embodiment, the splicing plate member 12 attached to the main pillar 2 protrudes from the side surfaces of the main pillar 2 and the handrail 5. It is also possible to make it one.

These are side views of the handrail according to the present invention attached to the stairs. FIG. 3 is a perspective view of a handrail attached to a staircase according to the present invention. These are the longitudinal cross-sectional front views of the attachment part of the handrail concerning the present invention attached to the stairs. FIG. 3 is an exploded perspective view of an attachment portion of a handrail attached to a staircase according to the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Stair 2 ... Master pillar 3 ... Step 4 ... Wall surface 5 ... Handrail 6 ... Child pillar 7 ... Landing place 8.19 ... Recessed part for fitting 9 .... -Connection part 10 ... Fixing tool 11/18 ... Column main body 12 ... Saddle plate member 13 ... Fixing part 14 ... Fixing tool insertion hole 15 ... Cap 16 ... Recess

Claims (3)

  It is an assembly structure of handrails for stairs that are attached along the upper ends of the main pillar and the plurality of child pillars, and are provided along the slope of the stairs, and are handrail-fitted to the upper ends of the parent pillar and / or the child pillars. A staircase characterized in that a handrail is assembled to an upper end portion of a main pillar and / or a child pillar by forming a concavity recess, fitting a handrail connection portion into the recess, and fixing with a fixture. Assembly structure for handrails.   The attachment plate member is fixed to the left and right side portions of the column main body, and the upper end portion of the side plate member protrudes upward from the upper end portion of the column main body to form a handrail fitting recess. The assembly structure of the handrail for stairs of claim | item 1.   The staircase according to claim 1, wherein a connecting portion of the handrail to be fitted into the handrail fitting recess of the main pillar and the child pillar is formed by a recess into which at least a part of the handrail fitting recess is fitted. Assembly structure for handrails.

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