JP2008196180A - Coping joint member - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a coping joint member which ensures a good appearance over a long period of time. <P>SOLUTION: The coping joint member 20 consists of a first member 21 and a second member 22 separate from the first member 21. The first member is formed of: a front surface portion 23 covering a gap G between mutually opposed end faces of a pair of copings 11, 12 connected to each other, on a front side; a pair of right and left side surface portions 24, 24 extending from both edges of the front surface portion 23 to cover the gap G on both right and left sides of the same, respectively; and an inserted surface portion extending from the front surface portion 23 in a rear surface direction and squeezing into the gap G on the front side. The second member 22 is formed of: a pair of right and left rear surface portions 26, 26 extending from edges of the side surface portions 24, 24 of the first member 21 and covering a portion of the gap G, exposed from a step wall 3 surface on a rear side, respectively; and inserted surface portions extending from the respective rear surface portions 26 in a front surface direction and squeezing into the gap G on the rear side. The first and second members 21, 22 are made of a hard synthetic resin. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a connecting member of a headboard attached to a staircase wall, and belongs to the technical field of staircase members.

  Conventionally, when a headboard wider than this end face is attached to the end face of the staircase wall that separates the corridor side and the staircase side, as shown in FIG. 10, between the opposing end faces of a pair of headboards B1 and B2 fixed to the staircase wall A In some cases, a gap G is formed in the surface, which may impair the appearance.

  As an attachment structure capable of coping with this problem, there is one disclosed in Patent Document 1, for example. In the technique described in Patent Document 1, as shown in FIGS. 10 and 11, a connecting member C1 that connects a pair of headboards B1 and B2 on the staircase wall A is used, and the connecting member C1 is an elastic body. In addition, the gap G between the opposing end faces of the caps B1 and B2 is covered with a surface portion C11 that covers from the front side, a pair of left and right side portions C12 and C12 that covers from the side, and a pair of left and right back portions C13 that covers from the back side. C13 and an insertion surface portion C14 that enters the gap G from the front side. Then, by inserting the insertion surface portion C14 into the gap G while expanding the back surface portions C13 and C13 using elasticity, the front side indicated by the arrow a (in the direction perpendicular to the paper surface in FIG. 10A), the arrow b When viewed from the side indicated by the arrow and the back side indicated by the arrow c (in the direction perpendicular to the paper surface in FIG. 10B), the gap G is covered and the appearance is improved. .

  However, since it is the connecting member C1 made of an elastic body, the back surface portions C13 and C13 located on the lower side in the attached state may be deformed during long-term use due to their own weight, and in that case, the appearance from the back side Will be damaged. Therefore, there is a connector disclosed in Patent Document 2 as a connecting member that solves this problem. As shown in FIG. 12, the connecting member C2 for connecting the pair of headboards B1 and B2 in this case has a similar shape to the connecting member C1, and a hard material such as a wood material or a metal material is also applied. Since it is possible, the above-mentioned deformation problem is effectively solved and it can withstand long-term use.

Japanese Utility Model Publication No. 6-47453 Japanese Patent Laid-Open No. 2004-300766

  By the way, since the connecting members C1 and C2 are integrally formed, there is no adjustment allowance when the thickness of the headboards B1 and B2 varies. For example, as shown in FIG. If the thickness of B2 is thin, a gap G 'is generated between the back surface side of the connecting member C2 and the back surface portion C23 of the connecting member C2, resulting in a poorly connected connection portion, which eventually deteriorates the appearance.

  Then, this invention makes it a subject to provide the coupling member of the headboard with which favorable appearance is ensured over a long period of time.

  In order to solve the above problems, the present invention is configured as follows.

  First, the invention according to claim 1 is a connecting member of the headboard that is wider than the end face that is attached to the end face of the staircase wall, and covers a gap between the opposite end faces of the pair of headboards to be connected from the front side. A surface portion, a pair of left and right side portions extending from both end portions of the surface portion and covering the gap from both left and right sides, and a portion extending from the front end portion of the side portion and exposed from the step wall surface of the gap. A pair of left and right back portions that cover each from the back side, an insertion surface portion extending in the back side direction from the surface portion and entering the gap from the front side of the headboard, and each back portion is made of a hard material, The surface portion, the side surface portion, and the insertion surface portion are formed as separate bodies.

  Next, the invention according to claim 2 is the coupling member of the headboard according to claim 1, wherein each of the back surfaces has an insertion surface portion that extends in the front side direction and enters the gap from the back side of the headboard. It is characterized by that.

  Further, the invention according to claim 3 is the coupling member of the headboard according to claim 2, wherein the insertion surface portion of each back surface enters a portion exposed from the step wall surface of the gap, and the region And a portion extending to the opposite side.

  According to a fourth aspect of the present invention, in the connecting member of the headboard according to the first aspect, the pair of left and right rear surface portions have an insertion surface portion that enters the gap, and the insertion surface portion is coupled integrally. It is characterized by that.

  And as for invention of Claim 5, the angle which the part of the insertion surface part both sides in the back surface of the said surface part makes in the connection member of the headboard in any one of the said Claim 1 to 4 is connected. It is characterized in that it is set so as to correspond to the angle formed by the caps as viewed from the side.

  When a headboard wider than this is attached to the end face of the staircase wall, it looks bad if a gap is formed between the opposing end faces of the pair of headboards to be connected, but according to the invention of claim 1, In the connecting member used for connecting the headboard, the insertion surface part enters the gap from the front side of the headboard and the mounting state is stable, and the front part, the side part and the back part cover the gap, so the connection looks good A place is realized. In addition, since the back surface portion is separate from the front surface portion, the side surface portion, and the insertion surface portion, the arrangement position can be adjusted in the front and back direction, and the fit at the coupling point of the headboard is improved. And since a back surface part is formed with the hard material, it becomes difficult to deform | transform and, thereby, a favorable appearance is ensured over a long period of time.

  Moreover, according to invention of Claim 2-4, since a back surface part is extended in the front side direction and has an insertion surface part which penetrates into the said clearance gap from the back side of a headboard, it contributes to the further stabilization of an attachment state. . In this case, according to the invention described in claim 3, since the insertion surface portion further extends in the left-right direction, the portion that enters the gap is increased, and the stabilization of the mounting state is further assisted, and the end surface of the staircase wall It is effective in preventing the dropout by engaging with. On the other hand, according to the invention described in claim 4, since the pair of left and right rear surface portions are joined by the insertion surface portion, the portion that enters the gap is further increased, the stabilization of the mounting state is enhanced, and the number of members is increased. Is less.

  According to the fifth aspect of the present invention, the angle formed by the portions on both sides of the insertion surface portion on the rear surface of the front surface portion of the connecting member corresponds to the angle formed by the connected headboard in side view. The degree of fit in is improved.

  Embodiments of the present invention will be described below.

  As shown in FIG. 1, a plurality of headboards 11 to 15 having a slightly wider plate shape than the end surface are attached to the end surface of the staircase wall 3 that partitions the corridor 1 side and the staircase 2 side. Further, the staircase wall 3 in the example has a slope corner indicated by an arrow X, a horizontal corner indicated by an arrow Y, and a vertical corner indicated by an arrow Z.

  At the gradient corner X, the headboard 11 on the vertical end face of the staircase wall 3 and the headboard 12 on the inclined end face are connected by the connecting member 20 in a state where the angle is usually 125 ° to 140 ° in a side view. At the horizontal corner Y, the headboard 13 on the horizontal end face of the staircase wall 3 and the headboard 14 on the horizontal end face are connected by another connecting member 30 in a L-shape in plan view. In the vertical corner Z, the headboard 14 on the horizontal end face of the staircase wall 3 and the headboard 15 on the vertical end face are connected by the connecting member 20 in an L-shape when viewed from the side.

  First, the connecting member 20 applied to the gradient corner X will be described. As shown in FIGS. 2 to 4, the connecting member 20 made of hard synthetic resin includes one first member 21 and two second members 22. 22.

  The first member 21 covers the gap G between the opposed end surfaces of the pair of headboards 11 and 12 attached to the end surface of the staircase wall 3 from the front side indicated by an arrow a (in the direction perpendicular to the paper surface in FIG. 2A). A surface portion 23, a pair of left and right side portions 24, 24 extending from both ends of the surface portion 23 and covering the gap G from the left and right sides indicated by arrows b, and extending from the surface portion 23 in the back side direction And an insertion surface portion 25 that enters the gap G from the front side, and these are integrally formed.

  In this case, the width dimension w1 of the first member 21 is set to a dimension that can cover the gap G. Further, the dimension of the insertion surface portion 25 in the front and back direction is set to be considerably smaller than the dimension in the same direction of the end surfaces of the caps 11 and 12. Moreover, the outer surface of the surface part 23 and the side surface parts 24 and 24 is made into the curved surface, and favorable touch is obtained.

  And the angle α formed by the portions 23a, 23a on both sides of the insertion surface portion 25 on the back surface of the front surface portion 23 of the first member 21 is set so as to correspond to the angle β formed by the caps 11, 12 to be connected in a side view. (See FIG. 4). The angle α is equal to or less than the angle β, and in the illustrated example, the angle α is 90 ° and the angle β is 125 °. However, the first member 21 is applicable to an angle β of 90 ° to 140 °. ing. The angle β of 90 ° corresponds to the vertical corner Z shown in FIG.

  The pair of second members 22, 22 are arranged on the left and right sides so as to sandwich the staircase wall 3 on the back side of the first member 21, and each second member 22 is a distal end portion of the side surface portion 24 of the first member 21. A back surface portion 26 that covers from the back side indicated by an arrow c (in the direction perpendicular to the paper surface in FIG. 2B) and that is exposed from the wall surface of the staircase wall 3 of the gap G, and a front side direction from the back surface portion 26 And an insertion surface portion 27 that enters the gap G from the back side.

  In this case, the width dimension w2 of the second member 22 is set to a dimension that can cover the gap G, and is slightly smaller than the width dimension w1 of the first member 21. The insertion surface portion 27 has a portion 27a that enters a portion exposed from the wall surface of the staircase wall 3 of the gap G, and a portion 27b that extends to the opposite side from the portion 27a, and the latter portion 27b. The front and back dimensions are slightly smaller than the former part 27a and slightly offset to the front side, and the insertion surface part 27 is formed in an L shape in plan view (see FIG. 3). Further, the outer surface of the back surface portion 26 is a curved surface (see FIG. 4).

  And the insertion surface part 27 of each 2nd member 22 is the 1st member 21 of the state which applied the surface part 23 to the headboards 11 and 12 in the state which applied the back surface part 26 of each 2nd member 22 to the headboards 11 and 12. The dimensional relationship is set so as not to interfere with the insertion surface portion 25. That is, in the attached state, a slight gap is provided between the insertion surface portion 25 of the first member 21 and the insertion surface portion 27 of the second member 22 facing each other.

  An example of the arrangement method of the second member 22 will be described with reference to FIG. In other words, the surface portion 23 of the first member 21 is assigned to the headboards 11 and 12 on the staircase wall 3 from the front side. In the case shown in FIG. 5 (a), the second member 22 has a back surface portion 26 that is firmly attached to the caps 11 and 12 from the back side. The first member 21 does not protrude from the front end portion of the side surface portion 24 in the back side direction, and is slightly intruded. On the other hand, in the case shown in FIG. 5B, the back surface portion 26 of the second member 22 is not applied to the caps 11 and 12, but as shown by black triangle marks, the side surface portion 24 of the first member 21. It is aligned with the tip of the. This utilizes the fact that the insertion surface portion 27 of the second member 22 is formed in the above-described L-shape in plan view, and either method can be employed. In the case of FIG. 5B, the back surface portion 26 of the second member 22 includes an insertion surface portion 27 that enters the gap G between the caps 11 and 12, so that the gap G ′ as shown in FIG. The insertion surface portion 27 is blocked and does not impair the appearance.

  Next, a modified example of the connecting member will be described. As shown in FIG. 6, the connecting member 20 ′ made of hard synthetic resin in this case is an opposing end face of a pair of headboards 11 and 12 attached to the end face of the staircase wall 3. A surface portion 23 that covers the gap G (not shown) between the front side indicated by an arrow a, and a pair of left and right sides extending from both ends of the surface portion 23 and covering the gap G from both the left and right sides indicated by arrows b The first member 21 having the side surface portions 24, 24, the insertion surface portion 25 extending from the front surface portion 23 toward the back side and entering the gap G from the front side, and a second member 22 ′ having a new configuration, It consists of

  The second member 22 ′ includes a pair of left and right rear surface portions 26 ′ and 26 ′ that covers a portion exposed from the staircase wall 3 of the gap G from the back side indicated by an arrow c, and an insertion surface portion 27 that enters the gap G from the back side. ′, And the back surface portions 26 ′ and 26 ′ are combined and integrated at the insertion surface portion 27 ′.

  Next, the connecting member 30 applied to the horizontal corner Y will be described. As shown in FIGS. 7 to 9, the connecting member 30 made of hard synthetic resin includes one first member 31 and two second members 32. , 32 ″.

  The first member 31 includes a surface portion 33 that covers the gap G between the opposing end surfaces of the pair of headboards 13 and 14 attached to the end surface of the staircase wall 3 from the front side indicated by an arrow a, and extends from both end portions of the surface portion 33. A pair of left and right side portions 34, 34 ″ that respectively cover the gap G from the left and right sides indicated by arrows b, and an insertion surface portion 35 that extends from the front surface portion 33 in the rear side direction and enters the gap G from the front side. have.

  In this case, the width dimension w1 of the first member 31 is set to a dimension that can cover the gap G. Further, the dimension of the insertion surface portion 35 in the front and back direction is set to be considerably smaller than the dimension in the same direction of the end surfaces of the caps 13 and 14. Moreover, the outer surface of the surface part 33 is made into the curved surface, and favorable touch is obtained. Further, the side surface portions 34, 34 ″ have different shapes on the protruding corner side (left side in FIG. 7) and the entering corner side (also on the right side), and the side surface portion 34 on the protruding corner side has a curved outer surface. In addition, a concave portion is provided on the inner surface, and the side surface portion 34 ″ on the corner side has a flat outer surface and a convex portion on the inner surface (see FIG. 9).

  As in the case of the gradient corner X, the angle α formed by the portions 33a and 33a on both sides of the insertion surface portion 35 on the back surface of the front surface portion 33 of the first member 31 is the angle formed by the caps 13 and 14 to be connected in a side view. It corresponds to β (see FIG. 8). That is, in this case, the angle α is 180 °, and the angle β is also 180 °.

  The pair of second members 32, 32 ″ are arranged on the left and right sides so as to sandwich the staircase wall 3 on the back side of the first member 31, and each second member 32, 32 ″ is a side portion of the first member 31. 34, 34 ″ extending from the front end portion of the gap G and exposing the portion exposed from the wall surface of the stepped wall 3 of the gap G from the back side indicated by the arrow c, and from the back side portions 36, 36 ″ to the front side direction It has insertion surface portions 37 and 37 ″ that extend and enter the gap G from the back side.

  In this case, the width dimension w2 of the second member 32, 32 ″ is set to a dimension that can cover the gap G, and is slightly smaller than the width dimension w1 of the first member 31 (see FIG. 2nd member 32 ″). Further, the insertion surface portions 37 and 37 ″ are portions 37a and 37a ″ that enter portions exposed from the wall surface of the stepped wall 3 of the gap G, and portions 37b and 37b ″ that extend to the opposite side from the portions 37a and 37a ″. The dimensions of the latter portions 37b, 37b ″ in the front and back directions are slightly smaller than those of the former portions 37a, 37a ″, and are slightly offset to the front side. (See FIG. 7). Further, the outer surfaces of the back surface portions 36, 36 ″ are flat, and both end shapes of the outer surfaces substantially correspond to the shape of the staircase wall 3 and the inner surface shapes of both side surface portions 34, 34 ″ of the first member 31. (Refer to FIG. 9).

  Then, with the back surface portions 36 and 36 ″ of the second members 32 and 32 ″ being applied to the headboards 13 and 14, the insertion surface portions 37 and 37 ″ of the second members 32 and 32 ″ are the front surface portions 33. The dimensional relationship is set so as not to interfere with the insertion surface portion 35 of the first member 31 in a state of being applied to 13 and 14. That is, in the mounted state, a slight gap is provided between the insertion surface portion 35 of the first member 31 and the insertion surface portions 37 and 37 ″ of the second members 32 and 32 ″.

  Here, as an example, a procedure for attaching the caps 11 and 12 and the connecting member 20 at the gradient corner X will be described. Note that an adhesive is used for the fixing operation of the members 11, 12, and 20.

  First, as shown in FIG. 1, the headboard 11 is fixed to the vertical end face of the staircase wall 3, and the first and second members 21, 22, and 22 constituting the connecting member 20 are fixed to the connecting end face of the headboard 11. . In that case, as shown in FIGS. 3, 4, and 5 (a), the front surface portion 23 of the first member 21 is applied to the front side of the headboard 11, and the back surface portions 26 and 26 of the second members 22 and 22 are disposed. The insertion surface portions 25, 27, and 27 are fixed to the connection end surface of the headboard 11 by being placed on the back side of the headboard 11.

  Then, as shown in FIGS. 1 and 4, the connecting end face of the headboard 12 on the other inclined end face side is fixed to the insertion face portions 25, 27, 27 of the first and second members 21, 22, 22. To do.

  Further, another mounting procedure will be described. The headboard 11 is disposed on the vertical end surface of the staircase wall 3, the headboard 12 is disposed on the inclined end surface, and the insertion surface portions 25, 27, 27 of the first and second members 21, 22, 22 are disposed between the opposing end surfaces. 27 is fixed with a gap G so that it can be inserted.

  Then, as can be understood with reference to FIG. 3, the pair of second members 22, 22 are fixed by inserting the insertion surface portions 27, 27 into the gap G from both the left and right sides indicated by arrows b, The member 21 is fixed by inserting the insertion surface portion 25 into the gap G from the front side indicated by the arrow a until the surface portion 23 and the caps 11 and 12 come into contact with each other.

  By having comprised as mentioned above, when the headboards 11-15 wider than this are attached to the end surface of the staircase wall 3, the clearance gap G arises between the opposing end surfaces of a pair of headboards 11-15 connected. Although it does not look good, in the connecting members 20, 20 ', 30 used for connecting the caps 11-15, the insertion surface portions 25, 35 enter the gap G from the front side of the caps 11-15 and the mounting state is stabilized. Since the front surface portions 23, 33, the side surface portions 24, 34, 34 "and the back surface portions 26, 26 ', 36, 36" cover the gap G, the connecting portions X to Z having good appearance are realized. Further, since the back surface portions 26, 26 ', 36, 36 "are separated from the front surface portions 23, 33, the side surface portions 24, 34, 34" and the insertion surface portions 25, 35, the arrangement positions are front and back. It becomes possible to adjust in the direction, and the degree of fit at the connecting points X to Z of the caps 11 to 15 is improved. And since the back surface portions 26, 26 ', 36, and 36 "are made of a hard material, they are difficult to be deformed, and a good appearance is ensured over a long period of time.

  Further, as shown in FIGS. 3 and 7, the back surface portions 26, 36, 36 ″ are extended in the front side direction, and the insertion surface portions 27 (27a), 37 ( 37a) and 37 "(37a") contributes to further stabilization of the mounting state.

  In that case, since the insertion surface portions 27, 37, and 37 ″ further extend in the left-right direction, the portions 27b, 37b, and 37b ″ that enter the gap G are increased to further stabilize the mounting state, and the staircase wall 3 is effective to prevent falling off.

  On the other hand, as shown in FIG. 6, when the pair of left and right rear surface portions 26 'and 26' are joined and integrated by the insertion surface portion 27 ', the portion entering the gap G is further increased, and the mounting state is stabilized. In addition to being increased, the number of members can be reduced. In this case, since the insertion surface portion 27 ′ is securely locked by the end surface of the staircase wall 3, the second member 22 ′ is not dropped after being attached.

  1, 4, and 8, the angle α formed by the portions 23 a, 23 a, 33 a, 33 a on both sides of the insertion surface portions 25, 35 on the back surface of the surface portions 23, 33 of the connecting members 20, 30. However, since the caps 11 to 15 to be connected correspond to the angle β formed in a side view, the fit at the connecting points X to Z of the caps 11 to 15 is further improved.

  It should be noted that the present invention is not limited to the above-described embodiment that has been specifically described in detail, and may be any that are within the spirit of the present invention.

  For example, the connecting members 20, 20 ′, 30 according to the present invention can be applied to a straight portion in addition to the gradient corner X, the horizontal corner Y, and the vertical corner Z shown in FIG.

  Moreover, in the said embodiment, as shown in FIG.3 and FIG.7, two site | parts 27a, 27b, 37a, 37b, 37a are provided in the back surface part 26,36,36 "of the 2nd member 22,32,32". Although the insertion surface portions 27, 37, and 37 "formed of", 37b "are extended, the portions 27b, 37b, and 37b" may be omitted, or both the portions 27a, 27b, 37a, 37b, 37a "and 37b may be omitted. ″ May be omitted.

  In the above embodiment, the connecting members 20, 20 ', 30 are made of hard synthetic resin, but only the second members 22, 22', 32, 32 "may be made of hard synthetic resin. The material is not limited to a synthetic resin material, and may be hard. For example, in addition to a synthetic resin material, a wood material, a metal material, and a combination thereof may be used.

  As described above, according to the present invention, there is provided a headboard connecting member that ensures a good appearance over a long period of time. The present invention is widely suitable for the technical field of staircase members.

It is a perspective view which shows the connection state of the headboard by the connection member which concerns on embodiment of this invention. The connection state in a gradient corner is shown, (a) is the figure seen from the front side, (b) is the figure seen from the back side. It is a top view of a connection member similarly. It is an expanded sectional view by the II-II line of FIG. The top view which expands and shows a part for demonstrating the example of the arrangement | positioning method from which a 2nd member differs, (a) when a back surface part is applied to a coping, (b) is a side surface of a back surface part and a 1st member. This is a case where the front end of the part is aligned. It is a top view equivalent to FIG. 3 which shows the modification of a 2nd member. It is a top view of the connection member applied to a horizontal corner. It is an expanded sectional view by the III-III line of FIG. It is the perspective view which looked at the connection state of a headboard from the back side, (a) is a protruding corner part, (b) is an entering corner part. The connection state of the headboard by the conventional connection member is shown, (a) is the figure seen from the front side, (b) is the figure seen from the back side. It is a top view of a connection member similarly. It is a top view of another conventional connection member.

Explanation of symbols

3 Staircase walls 11 to 15 Kasaki 20, 20 ', 30 Connecting member 23, 33 Surface portion 24, 34, 34 "Side surface portion 25, 35 Insertion surface portion (insertion surface portion extended to the surface portion)
26, 26 ', 36, 36 "back surface portion 27, 27', 37, 37" insertion surface portion (insertion surface portion extended to the back surface portion)
G gap

Claims (5)

A coupling member of the headboard made wider than the end face attached to the end face of the staircase wall,
A surface portion that covers the gap between the opposing end faces of the pair of headboards to be connected from the front side;
A pair of left and right side portions extending from both ends of the surface portion and covering the gap from both left and right sides;
A pair of left and right rear surface portions that extend from the front end portion of the side surface portion and cover portions exposed from the step wall surface of the gap from the back side,
An insertion surface portion extending from the surface portion toward the back side and entering the gap from the front side of the headboard, and
Each said back surface part is formed as a separate body from the said surface part, a side surface part, and an insertion surface part with the hard material, The connection member of the headboard characterized by the above-mentioned. In the connecting member of the headboard according to claim 1,
Each said back surface part has the insertion surface part extended in the front side direction, and entering the said clearance gap from the back side of a headboard, The connection member of a headboard characterized by the above-mentioned. In the connecting member of the headboard according to claim 2,
The insertion member of each said back surface part has the site | part which enters into the part exposed from the step wall surface of the said clearance gap, and the site | part extended to the opposite side side from this site | part, The connecting member of the headboard characterized by the above-mentioned. In the connecting member of the headboard according to claim 1,
The pair of left and right rear surface portions have an insertion surface portion that enters the gap, and are joined and integrated at the insertion surface portion. In the connecting member of the headboard according to any one of claims 1 to 4,
A headboard connecting member, wherein an angle formed by portions on both sides of the insertion surface portion on the back surface of the front surface portion is set to correspond to an angle formed by the headboard to be connected in a side view.

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