JP6167701B2 - Handrail material and mounting structure of this handrail material - Google Patents

Description

  The present invention relates to a handrail material, in particular, a handrail material in which a decorative sheet is attached to an outer peripheral surface of a polygonal bar member having a circular, elliptical, or curved corner portion, and the handrail material. This relates to the mounting structure.

  As handrail materials attached to stairs or indoor wall surfaces via fixing brackets, etc., from the viewpoint of ease of gripping, design, or cost, the cross-sectional shape is circular, elliptical, or corner A handrail material in which a decorative sheet is attached to the outer peripheral surface of a polygonal bar having a large curve is widely used.

  As this kind of handrail material, a groove is provided in the longitudinal direction of the outer peripheral surface of the bar material in parallel to the axis of the bar material, and the outer peripheral surface of the bar material is attached with a belt-shaped decorative sheet. There is one in which both end portions in the longitudinal direction are accommodated in the concave groove and the both end portions are overlapped and adhered to the inner surface of the concave groove (for example, see Patent Document 1).

  The "round bar handrail" disclosed in Patent Document 1 has a U-shaped concave groove on the outer peripheral surface of a round bar member having a substantially circular cross section in the axial direction of the round bar member having a substantially circular cross section. And a substantially central portion in the width direction of the decorative sheet is brought into contact with the outer peripheral surface on the opposite side in the circumferential direction from the portion where the concave groove is formed, and the decorative sheet is directed along the outer peripheral surface toward the concave groove. The both ends of the decorative sheet in the width direction are accommodated in the concave groove, and the edge portions of the both side end portions are overlapped and adhered to the inner surface of the concave groove. is there.

  The “round bar handrail” disclosed in Patent Document 1 is such that a round bar member is formed by placing both side end portions in the width direction of the decorative sheet in the concave groove so as to overlap and adhere to the inner surface of the concave groove. The effect is that the joint of the decorative sheet can be made inconspicuous without being exposed, but in the construction state shown in FIG. 6 of Patent Document 1, for example, provided as a “handrail” of a staircase When there is a seam of the decorative sheet at the bottom of the concave groove of the “round bar handrail” or when there is a seam of the decorative sheet on the inner surface of the concave groove depending on the installation mode of the “round bar handrail” (for example, In the case where the wall surface is on the right side as shown in FIG. 6, when the joint of the decorative sheet is located on the inner surface of the concave groove on the wall surface side in FIG. There is a problem that you can see.

  Further, usually, the decorative sheet is difficult to get dirty and scratched, and a surface protective layer made of a curable resin is provided on the surface so that it can be easily wiped off when the dirty sheet is attached. The seam is generally used as an adhesive for this type of decorative sheet. For example, adhesives for woodwork such as vinyl acetate emulsion paste are not used. Therefore, there is a problem that the cost increases.

JP 2011-069081 A

Therefore, in the present invention, the outer peripheral surface of the bar is covered with a decorative sheet and attached, and both end portions in the width direction of the decorative sheet are placed in the concave groove, and are attached to the inner surface of the concave groove as a non-overlapping seam. Attaching a handrail material that makes it difficult to see the joint in the groove from the bottom of the stairs when the handrail and the bottom of the handrail represented by the stairs are visible from the bottom of the stairs Is to provide a structure.

  In order to achieve the above-mentioned object, the inventor of the present invention according to claim 1 is characterized in that a groove having a substantially U-shaped cross-section in the longitudinal direction of the outer peripheral surface of the bar is parallel to the axis of the bar. The band-shaped decorative sheet is attached so as to cover the outer peripheral surface of the bar material, and both long-side ends of the decorative sheet are folded into the concave groove and adhered to the inner surface of the concave groove. In the sliding material, one side end portion of the both side end portions is attached to one inner wall of the opposing inner wall of the concave groove so as to extend to the vicinity of the bottom wall connecting the inner walls of the concave groove, and the both side end portions The other side end of the groove extends to the one inner wall along the other inner wall of the opposing inner wall of the concave groove and the bottom wall connected to the other inner wall, or to the vicinity of the one inner wall. The decorative sheet is formed at or near the corner formed by the one inner wall and the bottom wall. It is characterized in that it has a seam consisting of gaps formed by the both side end portions in the longitudinal direction of.

  Further, the present invention according to claim 2 is characterized in that, in the handrail material according to claim 1, the position of the joint formed by the gap is displayed on at least one end face of the handrail material. is there.

  According to a third aspect of the present invention, there is provided the handrail material according to any one of the first and second aspects, wherein the concave groove is lowered to the handrail receiving portion of the fixing bracket via a fixing bracket on the wall surface of the staircase. It is an attachment structure of a handrail material that is attached in a manner that is on the side, and the handrail material is formed in the two corners formed by the inner walls and the bottom wall of the concave groove, It is characterized by being attached so that a corner portion having a joint formed by a gap is located far from the wall surface.

  Since the present invention can be bonded with an adhesive for woodworking without using an adhesive such as a one-liquid or two-liquid reaction type, the structure according to claim 1 is easy to handle and It can be inexpensive. Moreover, it is located in the corner | angular part comprised by one inner wall and the bottom wall connected to this, or the vicinity of a corner | angular part so that it may become a seam which has a clearance gap, without making the both-sides edge part of the decorative sheet in a ditch | groove overlap into a seam Since it is configured, the handrail is usually attached to a wall surface or the like so that the concave groove is on the lower side where it is difficult to see, but the lower side of the handrail represented by the staircase is When a handrail is attached to the wall surface at a visible location, a handrail material can be provided that can be attached so that a joint formed by a gap in the groove is difficult to see.

  Moreover, this invention can understand at a glance which side of the elongate direction of a handrail material is a wall surface side by setting it as the structure of Claim 2.

  Moreover, this invention can be reliably and easily constructed so that the joint consisting of the gaps of the concave grooves is in a position that is difficult to see from the downstairs by adopting the configuration according to claim 3. .

BRIEF DESCRIPTION OF THE DRAWINGS It is a cross-sectional view of the handrail material concerning this invention, Comprising: (a) is a rod-shaped handrail material with a circular cross section, (b) is a bar-shaped handrail material with a triangular cross section with corners curved. (A) is an expanded sectional view of the 1st aspect which shows the positional relationship of the both-sides edge part of the elongate direction of the said decorative sheet 2 in the said groove 4 in Fig.1 (a), (b) is in Fig.1 (a). It is an expanded sectional view of the 2nd aspect which shows the positional relationship of the both-sides edge part of the elongate direction of the said decorative sheet 2 in the said groove | channel 4. (A) is a figure which shows the state which attached the handrail material and made it a handrail, (b) is sectional drawing which shows the construction state of a handrail material schematically. It is a figure which shows an example of a display sticker.

The present invention will be described in detail below with reference to the drawings.
1A and 1B are cross-sectional views of a handrail material according to the present invention, in which FIG. 1A is a bar-shaped handrail material having a circular cross section, and FIG. 1B is a bar-shaped handrail material having a triangular section with curved corners. FIG. 2 (a) is an enlarged cross-sectional view of a first aspect showing the positional relationship between both ends in the longitudinal direction of the decorative sheet in the groove in FIG. 1 (a), and FIG. 2 (b) is FIG. 1 (a). The expanded sectional view of the 2nd mode which shows the positional relationship of the both-sides edge part of the longitudinal direction of the above-mentioned decorative sheet in the above-mentioned concave groove in FIG. (B) is a cross-sectional view schematically showing the construction state of the handrail material, FIG. 4 is a view showing an example of the display sticker, 1, 1 'in the figure is a handrail material, 2 is a decorative sheet, 3, 3 'is a bar, 4, 4' is a groove, 5 is a handrail receiving portion, 6 is an arm portion, 7 is a fixed base, 8 is a crosspiece member, and 21 and 22 are decorative sheets. End, 41 and 42 the inner wall of the groove, 43 the bottom wall of the groove, H is displayed stickers, K is fixed bracket, S is the seam consisting of gaps, T is handrail, W is shown a wall, respectively.

  FIG. 1A shows a bar-shaped handrail material having a circular cross section according to the present invention. The handrail material 1 is a longitudinal direction of the outer peripheral surface of a bar material 3 having a circular cross section [on FIG. In the direction from the front surface to the rear surface, a groove 4 having a U-shaped cross section is provided in parallel to the axis of the bar 3, and the strip-shaped decorative sheet 2 is attached so as to cover the outer peripheral surface of the bar 3. Both end portions in the longitudinal direction of the decorative sheet 2 are folded into the groove 4 and adhered to the inner surface of the groove 4.

  FIG. 1B shows a rod-shaped handrail material having a triangular section with corners curved according to the present invention, and a handrail material 1 ′ is a rod 3 ′ having a triangular section with corners curved. In the longitudinal direction of one curved corner portion of the outer peripheral surface of the sheet (in FIG. 1 (b), from the front surface to the back surface of the paper), a groove 4 'having a U-shaped cross section is used as the axis of the bar 3'. Provided in parallel, the band-shaped decorative sheet 2 is adhered so as to cover the outer peripheral surface of the bar 3 ′, and both end portions in the longitudinal direction of the decorative sheet 2 are folded into the concave groove 4 ′ to form the concave It is affixed to the inner surface of the groove 4 '.

  1 (a) and FIG. 1 (b) differ only in the cross-sectional shape of the bar, that is, FIG. 1 (a) is a bar having a circular cross-section, and FIG. 1 (b) has a curved corner. However, the following description will be made by taking the bar having a circular cross section in FIG. 1A as an example.

  FIG. 2A is an enlarged cross-sectional view of a first aspect showing a positional relationship between both end portions in the longitudinal direction of the decorative sheet 2 in the concave groove 4 in FIG. One side end portion 21 of both side end portions 21 and 22 in the longitudinal direction is in the vicinity of a bottom wall 43 connected to the inner wall 41 of the concave groove 4 on one inner wall 41 of the inner walls 41 and 42 facing the concave groove 4. The other side end 22 extends along the opposing inner wall 42 of the concave groove 4 and the bottom wall 43 connected to the inner wall 42 until it abuts against the one inner wall 41, the inner wall 42, The side walls 21 and 22 are attached to the bottom wall 43 without overlapping each other, and have a seam S formed of a gap in the vicinity of the bottom wall 43 side of the inner wall 41.

  FIG. 2B is an enlarged cross-sectional view of a second embodiment showing the positional relationship between both end portions in the longitudinal direction of the decorative sheet 2 in the concave groove 4 in FIG. One side end portion 21 of both side end portions 21 and 22 in the longitudinal direction is in the vicinity of a bottom wall 43 connected to the inner wall 41 of the concave groove 4 on one inner wall 41 of the inner walls 41 and 42 facing the concave groove 4. The other side end 22 extends to the vicinity of the one inner wall 41 along the opposing inner wall 42 of the concave groove 4 and the bottom wall 43 connected thereto, the inner wall 42, It is attached to the bottom wall 43, and the both end portions 21 and 22 do not overlap each other, and has a seam S formed by a gap at a corner formed by the inner wall 41 and the bottom wall 43. In FIG. 2, the four corners of the concave groove 4 having a substantially U-shaped cross section are shown as substantially right angles. However, in an actual product, each corner has a curved surface of 0.5 to 1.0R. Is.

  With the configuration shown in FIG. 2, when the decorative sheet 2 is attached to the bar 3 to form the handrail material 1, the both side end portions 21 and 22 in the longitudinal direction of the decorative sheet 2 are overlapped. Since the problem due to the joint seam, that is, the problem that the overlap seam cannot be adhered using the adhesive for woodworking can be solved, it is easy to handle and inexpensive. Further, the corners formed by the inner wall 41 and the bottom wall 43 without overlapping the longitudinal side ends 21 and 22 of the decorative sheet 2 in the concave groove 4 of the handrail material 1 or By using the handrail material 1 provided with the joint S composed of gaps in a limited portion in the vicinity of the corner portion, the handrail is attached to the wall surface where the lower side of the handrail represented by the stairs is visible and becomes a handrail. In some cases, a handrail can be provided that can be attached so that the joint S formed by the gap in the concave groove is not easily visible.

FIG. 3A is a view showing a state in which a handrail material is attached and a handrail is formed, and FIG. 3B is a cross-sectional view schematically showing a construction state of the handrail material, and the handrail material 1 is the concave groove. 4 is fixed on the handrail receiving portion 5 of the fixing bracket K composed of the handrail receiving portion 5, the arm portion 6, and the fixed base portion 7 with screws or the like. It is fixed to the wall surface W with screws or the like. A crosspiece member 8 or the like for improving the holding strength is disposed on the back surface of the wall surface W as necessary.

  Next, taking FIG. 3 as an example, a structure for attaching the handrail material 1 to the wall surface will be described. In the case of FIG. 3, the handrail material 1 is attached to the wall surface W on the left side of the stairs via the fixing bracket K, and becomes a handrail. In this case, the handrail material 1 of the present invention is a long sheet of the decorative sheet 2 at or near the corner formed by one inner wall 41 (see FIG. 2) of the groove 4 and the bottom wall 43 connected thereto. So that the seam S formed by the gap is formed in a position that is difficult to see when viewed upward from the downstairs of the stairs. In order to satisfy this, among the two corners constituted by the inner walls 41, 42 and the bottom wall 43 of the concave groove 4, the corner portion having the seam S made of the gap is required. What is necessary is just to set it as the attachment structure which attaches the handrail material 1 so that it may become a position far from the wall surface W. FIG.

  And in order to make the said construction easy, it is from the said clearance gap in the said groove | channel 4 in any side of the both-sides edge of the elongate direction of the handrail material 1 to the at least one end surface of the handrail material 1. For example, sticking a display sticker H as shown in FIG. 4, or displaying the direction directly with an arrow (←), or something that can be understood by the parties concerned By displaying such, it is possible to easily perform the construction that is difficult to see when the seam S including the gap is looked up from the downstairs. For example, in the bar-shaped handrail material 1 shown in FIG. 1A, the display sticker H shown in FIG. 4 is attached to the end surface on the back surface side of the paper surface.

  Next, the material used for the handrail material 1 of this invention is demonstrated. First, the material used for the bar 3 is not limited to a woody material such as a single plate laminated material (LVL), an accumulation material, a particle board, a medium density fiberboard (MDF), or wood powder plastic, but a synthetic resin type. Materials, metal materials, and the like can also be used as appropriate.

  Further, as the decorative sheet 2, synthetic resin sheets, paper, nonwoven fabrics, woven fabrics, laminates thereof, veneer plates, or the like on which various patterns are printed according to a wood grain pattern or other staircases or indoor designs Can be used.

DESCRIPTION OF SYMBOLS 1,1 'Handrail material 2 Decorative sheet 3,3' Bar material 4,4 'Concave groove 5 Handrail receiving part 6 Arm part 7 Fixed base 8 Crosspiece member 21,22 Side edge part 41,42 Convex sheet Inner wall 43 Bottom wall of concave groove H Display sticker K Fixing bracket S Seam consisting of gap T Handrail W Wall surface

Claims (3)

In the longitudinal direction of the outer peripheral surface of the bar, a groove having a substantially U-shaped cross section is provided in parallel to the axis of the bar, and a strip-shaped decorative sheet is attached so as to cover the outer peripheral surface of the bar In the handrail material in which both end portions in the longitudinal direction of the decorative sheet are folded into the concave groove and adhered to the inner surface of the concave groove, one side end portion of the both side end portions is an inner wall facing the concave groove. The inner wall of the groove is extended to the vicinity of the bottom wall connecting the inner walls of the groove, and the other side end of the both side ends is the other inner wall of the opposite inner wall of the groove and the other A corner or corner formed by the one inner wall and the bottom wall that extends along the bottom wall connected to the inner wall until it abuts on the one inner wall or is attached to the vicinity of the one inner wall. A seam made up of gaps formed at both ends in the longitudinal direction of the decorative sheet Handrail material which is characterized in. The handrail material according to claim 1, wherein a position of a joint formed by the gap is displayed on at least one end face of the handrail material to be a handrail. The handrail material according to any one of claims 1 and 2 is attached to a handrail receiving portion of the fixing metal fitting on a wall surface of a staircase via a fixing metal fitting so that the concave groove is on the lower side. In the mounting structure of the handrail material, the handrail material is formed from two wall portions formed by the both inner walls and the bottom wall of the concave groove, and a corner portion having a joint formed by the gap from the wall surface. An attachment structure for a handrail material, which is attached so as to be in a distant position.

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