JP2016089368A - Movable connection-type handrail device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent freezing at a fitted location.SOLUTION: A movable connection-type handrail device includes a handrail body 11, and an upper fitting part 10 that slidably connects the handrail body 11. A side surface part 22 on one side of upper and lower crossbars 12, 13 and a fitting body 30 of the upper fitting part 10 are connected slidably with a sliding mechanism 111A in a longer-side direction, the sliding mechanism including a recessed engaging part 23 and a protruded engaging part 31 to be engaged with the recessed engaging part 23. A recessed support-receiving engaging part 43 with an opening at a lower part is disposed on the lower crossbar 13, and a protruded supporting engaging part 51 is disposed on a lower fitting part 10A, the protruded supporting engaging part supporting the handrail body 11 slidably on the recessed support-receiving engaging part 43. This way, the protruded supporting engaging part 51 supports the handrail body 11 from below, and the handrail body slides smoothly at a time of earthquake and others, without a press-contact between the recessed engaging part 23 and the protruded engaging part 31 caused by self-weight. Also, freezing is prevented as the recessed engaging part 23 has an opening at a lower part that drains water.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a movable handrail device that connects a handrail body to a connected portion so as to be slidable in a length direction.

  Conventionally, as this type, a concave groove having a widened middle shape is formed on the side surface of the lateral frame ridge on the side facing the adjacent unit, and a bulging head substantially corresponding to the concave groove shape is formed on one of the opposed concave grooves. A handrail-type expansion having a configuration in which a slide core material formed by opposingly forming a shaped fitting protrusion is fixedly fitted, and the protruding protrusion of the slide core material is slidably fitted into the other recessed groove A joint (for example, Patent Document 1) has been proposed.

  In the above-mentioned handrail type expansion joint, when the adjacent unit is extended and displaced away, the tip of the unit, which is the center of the adjacent unit, bends downward so that it cannot be displaced in the contracting direction. There is a risk of damage due to excessive force.

  On the other hand, the telescopic handrail device is provided in a transfer passage between two buildings adjacent to each other through a gap, and the first handrail assembly and the second handrail assembly are parallel to each other and horizontally. The first handrail assembly is disposed adjacent to the second handrail assembly and closer to the center axis of the crossing passage, and the first upper chord member protrudes in a direction close to the second upper chord member. A rail part is integrally formed, a lower rail part protruding in a direction close to the second lower chord material is integrally formed on the first lower chord material, and an upper rail part is formed in the longitudinal direction of the second upper chord material. An upper guide groove that is movably fitted in the direction is formed, and a lower guide groove in which the lower rail portion is movably fitted in the longitudinal direction is formed in the second lower chord material, and the other of the first lower chord material body Immediately below the pillar placed near the building, there is a guide rod that can be moved on the joint cover body. Such telescopic handrail device provided with La (for example, Patent Document 2) are proposed.

Japanese Patent No. 3708420 Japanese Patent No. 5099735

  In the telescopic handrail device of Patent Document 2, the guide roller supports the entire weight including the loads of the first and second handrail assemblies, the passerby's belongings leaning on the handrail, and luggage, but the upper surface of the joint cover body It is practically difficult to set it horizontally, and it is difficult to maintain smooth movement. In addition, it is necessary to separately provide a guide roller and a joint cover body, and the construction is expected to be complicated.

  Further, in the handrail-type expansion joint disclosed in Patent Document 1, since the fitting protrusion is slidably fitted into the other recessed groove, the fitting protrusion and the other recessed groove are pressed against each other. If they are engaged with each other, there is a risk of causing a malfunction or damage due to an excessive force applied to the concave-convex fitting portion before the movement.

  As described above, the handrail-type expansion joint and the telescopic handrail device described above do not move until an earthquake or the like occurs after installation, but need to move smoothly when an earthquake or the like actually occurs.

  Furthermore, in the above-mentioned handrail type expansion joint and the like, the slide core material is fitted in the recessed groove, and when water enters and accumulates in the recessed groove, and the water freezes in winter, the malfunction occurs when moving. There is a problem. In addition, the concave and convex fitting portions of the slide core member and the concave groove are in surface contact with each other, and water penetrates between the concave and convex fitting portions by a capillary phenomenon, so that water easily accumulates and freezing is likely to occur.

  In view of the above problems, the present invention has an object to provide a movable connection type handrail device that can prevent the press-contact of the fitting portion and can be smoothly slid. An object of the present invention is to provide a movable connection type handrail device that can prevent freezing.

The invention of claim 1 includes a handrail body having upper and lower horizontal rails and a vertical rail, and a connected portion for slidably connecting the handrail body, and includes a side surface portion and a side surface portion of the lower horizontal rail. In a movable connection type handrail device in which an opposing portion of an opposite connected portion is slidably connected by a longitudinal slide mechanism provided with a concave engagement portion and a convex engagement portion engaged with the concave engagement portion. ,
The lower horizontal rail is provided with a concave support receiving engagement portion having an opening at the bottom, and a convex support engaging portion that is slidable on the concave support receiving engagement portion and supports the handrail body is provided on the coupled portion. It is characterized by that.

  The invention according to claim 2 is characterized in that a slide resistance reducing portion is provided on at least one of the inner surface of the concave support receiving engagement portion and the outer surface of the convex support engagement portion.

  The invention according to claim 3 is characterized in that a drainage portion having a lower opening is formed in the concave engagement portion.

  According to a fourth aspect of the present invention, the connected portion is a connected handrail body that is paired with the handrail body and includes a lower horizontal rail and a vertical rail. The convex support engagement portion is provided.

  According to the configuration of the first aspect, since the convex support engagement portion and the concave support receiving engagement portion engage with each other, the convex support engagement portion supports the handrail body from below. The joining portion and the convex engagement portion are not in pressure contact with each other, and can smoothly slide and move when an earthquake occurs.

  Moreover, according to the structure of Claim 2, the friction at the time of sliding with a lower horizontal crosspiece and a to-be-connected part can be reduced.

  According to the third aspect of the present invention, even if water enters the concave engagement portion, the water is discharged from the drainage portion to the outside. It can be prevented from occurring.

  Moreover, according to the structure of Claim 4, a handrail body and a to-be-connected handrail body can slide so that expansion-contraction is possible.

It is sectional drawing which shows Example 1 of this invention. It is a top view same as the above. It is sectional drawing which expanded the principal part same as the above. It is sectional drawing of an uneven | corrugated support engagement part same as the above. It is sectional drawing which shows Example 2 of this invention. It is a side view same as the above. It is sectional drawing which shows Example 3 of this invention. It is an expanded sectional view of the principal part same as the above. It is sectional drawing which shows Example 4 of this invention.

  Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The embodiments described below do not limit the contents of the present invention described in the claims. In addition, all of the configurations described below are not necessarily essential requirements of the present invention. In each embodiment, an unprecedented movable connection type handrail device is obtained by adopting a new movable connection type handrail device different from the conventional one, and the movable connection type handrail device will be described.

  1 to 4 show a first embodiment of the present invention. The first embodiment shows a basic configuration of a movable handrail device using the hinge of the present invention. As shown in the figure, the housings 1 and 2 such as buildings are adjacent to each other at a predetermined interval, and the housings 1 and 2 that are the connected portions are provided with the entrances 3 and 4. A passage corridor 5 serving as a passage is provided, and a floor portion of the passage corridor 5 has an upper floor slab 6 projecting from one housing 1 and a lower floor slab 7 projecting from the other housing 2. The displacement between the casings 1 and 2 is absorbed by overlapping the tip ends of the two. Here, it is preferable that the casings 1 and 2 are seismic and seismic isolation structures. Further, it is preferable that the upper floor slab 6 is rotatably connected to the housing 1 by a rotational connecting portion 6A, and the top end of the upper floor slab 6 is placed on the lower floor slab 7 and overlapped. In addition, the side corridor 5 is provided with side plate portions 8, 8 on both sides of the floor slab 7.

  The outer surface 1G of the casing 1 positioned on the left and right sides of the entrance / exit 3 is provided with upper and lower mounting portions 10 and 10A which are connected portions, and left and right handrails 11 and 11 are provided in the left and right direction (to the mounting portions 10 and 10A). Y direction) is slidably connected.

  Further, left and right handrails 11 and 11 are connected to the inner surfaces 8N and 8N of the side plate portions 8 and 8 so as to be slidable in the length direction (X direction) of the side plate portions 8 and 8 of the housing 2. Note that the casings 1 and 2 are fixed attachment points of the handrail bodies 11 and 11.

  Then, the end portion of the handrail body 11 connected to the outer surface 1G and the end portion of the handrail body 11 connected to the inner surface 8N are connected to each other so as to be rotatable around the vertical axis by hinges 9 and 9 serving as hinges.

  The handrail body 11 has an upper and lower horizontal rails 12 and 13 having a rectangular outer shape and a substantially square cross section, and vertical rails 14 and 14 that connect both ends of the upper and lower horizontal rails 12 and 13. A frame 16 is provided, and the handrails 11 and 11 are arranged side by side in a direction intersecting the sliding direction. A plurality of middle vertical bars 17 are arranged between the upper horizontal bars 12 and the lower horizontal bars 13 at predetermined intervals. These middle vertical bars 17 connect the upper and lower horizontal bars 12 and 13. Each member of the handrail body 11 is made of an extruded product of aluminum or an aluminum alloy. In addition, the distance between the vertical rails 14 and 14 and the outer surfaces 1G and 8N of the casings 1 and 2; Mm) or less. Further, a plurality of screw hole forming portions 18 are provided inside the upper horizontal rail 12 and the lower horizontal rail 13, and a screw hole 19 is provided in the screw hole forming portion 18.

  The configuration of the upper horizontal rail 12 will be described with reference to FIG. The upper horizontal rail 12 provided with the concave engaging portion has side surface portions 22 and 22 on both sides of the curved upper surface portion 21, and a lower surface portion 21A is provided below these side surface portions 22 and 22, A concave engaging portion 23 is provided at a lower portion of the side surface portion 22. As shown in FIG. 3, the concave engaging portion 23 is provided with a side opening 24 continuous in the length direction of the upper horizontal rail 12 at a lower portion of the side surface portion 22, and a side surface inside the side opening 24. A vertical wall portion 25 is provided substantially parallel to the portion 22, and the upper portion of the vertical wall portion 25 and the inner surface of the side surface portion 22 are connected by the upper surface portion 26, and the inner surface of the side surface portion 22 and the outer surface and upper surface of the vertical wall portion 25 are connected. A vertical recess 27 is formed between the lower surface of the portion 26, and a lower opening 24 A is provided in the lower surface portion 21 A below the recess 27. Further, an inclined surface 25A that is inclined outward and downward is formed at the lower portion of the vertical wall portion 25. Further, a flat surface portion 26A in the horizontal direction is formed at the center of the lower surface of the upper surface portion 26 of the concave engaging portion 23, and inclined surface portions 26B and 26B are formed on both sides of the flat surface portion 26A.

  As shown in FIG. 1, the upper mounting portion 10 is integrally formed with a convex engaging portion 31 on the upper portion of a flat mounting portion main body 30, and the cross section shown in FIG. It is formed over the entire length of the handrail body 11. As shown in FIG. 3, the convex engagement portion 31 includes a base end portion 32 that protrudes in the horizontal direction from the top of the attachment portion main body 30, and a rising end that protrudes upward from the tip end of the base end portion 32. The unit 33 is integrally provided. The leading end portion 33S of the rising portion 33 is formed in a substantially mountain shape, and has inclined surfaces 33A and 33A on both sides. The inclined surfaces 33A and 33A on both sides form an angle of 60 to 120 degrees, and 90 degrees in FIG. Is illustrated. The inclined surface 33A and the inclined surface portion 26B are substantially parallel. A lower surface portion 33B is formed in the lateral direction from the lower end of the inclined surface 33A toward the center, and sharp portions 34 are formed on both sides in the width direction of the rising portion 33 by the inclined surface 33A and the lower surface portion 33B. As shown in FIG. 3, the tip of the sharpened portion 34 is chamfered in a curved shape. Further, on both sides of the rising portion 33, a sharp portion 34, which is a plurality of corner portions having an inclined surface 33A and a lower surface portion 33B, is provided side by side below the tip portion 33S. Further, a gap 24S is formed between the side opening 24 and the base end portion 32 in a state where a concave support receiving engagement portion and a convex support engagement portion described later are engaged. The gap 24 </ b> S is formed between the lower edge of the side surface portion 22 and the upper surface of the base end portion 32 in the side opening 24. The sharpened portion 34 is a spacer that prevents surface contact with the rising portion 33 of the recess 27.

  As described above, since the lower opening 24A is provided in the lower portion of the concave engagement portion 23, water in the recess 27 of the concave engagement portion 23 can be discharged from the lower opening 24A. Further, since a gap 24S is formed between the side opening 24 and the base end portion 32, water in the recess 27 can be discharged from the gap 24S. Furthermore, since a plurality of sharpened portions 34 are provided on both sides in the thickness direction of the outer surface of the rising portion 33 with respect to the inner surface of the recess 27, a capillary phenomenon occurs between the inner surface of the recess 27 and the outer surface of the rising portion 33. Is less likely to occur. In this way, since the water does not easily accumulate in the concave engaging portion 23, it is possible to prevent freezing of water inside the engaging portion during the winter season.

  A substantially U-shaped core material 29 is disposed in the upper horizontal rail 12.

  The attachment body 30 is provided with through holes 37 and 37A in the vertical direction, and the through holes 37 and 37A are provided at substantially equal intervals in the length direction. Then, with the inner surface of the mounting portion body 30 in contact with the outer surface 1G and the inner surface 8U, the anchors 35, 35 are inserted into the through holes 37, 37A and screwed into the holes drilled in the housings 1, 2. The distal ends of the anchors 35 and 35 are enlarged, and the upper mounting portion 10 is fixed to the outer surfaces 1G and inner surfaces 8U of the casings 1 and 2. Various types of anchors 35 as fixing means can be used.

  The configuration of the lower horizontal beam 13 will be described. The lower horizontal beam 13 provided with the concave support receiving engagement portion has side surface portions 42 and 42 on both sides of the flat upper surface portion 41, and the lower horizontal beam 13 is in the lower horizontal beam 13. Is provided with a concave support receiving engagement portion 43. The concave support receiving / engaging portion 43 has a through-hole 45 in the length direction formed inside the main body 44, and a slit-like slit opening 45 </ b> A is provided below the through-hole 45. The through hole 45 is circular, and the width of the slit opening 45A is smaller than the diameter of the through hole 45. The main body 44 is formed with an inclined surface portion 44A obliquely outward from the slit opening 45A, and a lateral lower surface portion 44B is formed outside the inclined surface portion 44A. The through hole 45 is located at the center of the handrail body 11 in the width direction.

  Further, mounting portions 46 and 46 project from the left and right of the upper portion of the main body 44. The mounting portion 46 is integrally provided with an inclined portion 46A inclined upward toward the outside and a lateral insertion portion 46B, and an insertion groove 47 for inserting the insertion portion 46B is provided in the lower horizontal rail 13. Yes. The insertion groove 47 is provided with a lateral projecting portion 47A on the inner surface of the side surface portion 42 at a distance from the upper surface portion 41, and is constituted by a gap between the lower surface of the upper surface portion 41 and the projecting portion 47A.

  The through-hole 45 is provided with a slide resistance reducing portion 48. The slide resistance reducing section 48 can be formed by providing an electrodeposition resin material such as fluororesin by electrodeposition coating, or can be formed using a slide bearing such as a ball bearing or a low friction resin. Incidentally, a slide resistance reducing portion 48 is provided in substantially the entire length of the through hole 45 of the main body 44, and the main body 44 is provided in the entire length of the lower horizontal rail 13, but the main body 44 is arranged in the length direction. A plurality of parts may be provided partially.

  Further, a support portion 50A protruding in the horizontal direction is integrally provided at the lower end of the attachment portion main body 50 of the lower attachment portion 10A, and a convex support engagement portion 51 is provided upward from the front end side of the support portion 50A. It is protruding. The convex support engaging portion 51 includes a rising portion 52, a left and right arm portion 53 provided on the upper portion of the rising portion 52, and left and right engaging portions 54 and 54 provided at the tip of the arm portion 53. The left and right engaging portions 54 and 54 are fitted into the through hole 45 so as to be slidable in the length direction. The outer peripheral surfaces of the left and right engaging portions 54, 54 have an arc shape centering on the center in the left-right direction of the arm portion 53, and a slit-like opening 55 is long between the upper portions of the left and right engaging portions 54, 54. It is provided in the full length. Further, lower openings 56, 56 are provided between the lower portions of the left and right engaging portions 54, 54 and the rising portion 52.

  Further, an inclined piece 57 as a mounting portion is provided on the lower inner surface of each of the side faces 22 and 22 so as to be inclined downward, and a mounting portion 57A is provided at the tip of the inclined piece 57. The section 57 has a substantially spherical shape that is larger than the thickness of the piece 57, and has stepped portions for retaining on both sides of the base end. Further, the cover 58 made of an elastic body is mounted on the mounting portion 57A, and a mounting groove 59 for sliding mounting to the mounting portion 57A from the length direction of the handrail bodies 11 and 11A is mounted on the base end side of the cover 58. A substantially plate-shaped cover main body 58A is formed so as to become thinner from the mounting groove 59 portion toward the distal end side. Then, by fitting the mounting groove 59 to the mounting portion 57A, the mounting groove 59 is mounted to the mounting portion 57A in a state of being prevented from coming off, and the lower surface on the front end side of the cover body 58A is the outer surface of the rising portion 52 and the support portion 50A. Close to the top surface of the.

  As described above, since the slit-shaped opening 55 is provided directly above the convex support engagement portion 51, water does not remain directly above the convex support engagement portion 51, and the engagement The water on the outer surface of the parts 54, 54 falls outward along the outer surface. Note that the end portions in the length direction of the left and right engaging portions 54 and 54 are open, and the water that has entered the arm portion 53 from the slit-like opening portion 55 is discharged from the end portions in the length direction. Further, since the covers 58 and 58 are provided on the left and right so as to close the lower portions of the concave support receiving engagement portion 43 and the convex support engagement portion 51, it is possible to prevent rainwater and the like from entering the lower horizontal rail 13. . Since the cover main body 58A of the cover 58 is not in contact with the concave support receiving engagement portion 43 and the convex support engagement portion 51, it does not obstruct the discharge of water from the lower horizontal rail 13. Therefore, the handrail body 11 attached to the housing 1 smoothly slides with respect to the displacement in the Y direction in FIG. 2, and the handrail body 11 attached to the side plate portion 8 smoothly slides with respect to the displacement in the X direction in FIG. be able to.

  Further, an inclined portion 60 is provided in an obliquely downward direction on the inner side (the housing side) of the support portion 50A, and the tip 60S of the inclined portion 60 contacts the outer surface 1G and the inner surface 8U. The attachment body 50 is formed with through holes 37, and the through holes 37 are provided at substantially equal intervals in the length direction. Then, with the inner surface of the mounting portion main body 50 in contact with the outer surface 1G and the inner surface 8U, the anchor 35 is inserted into the through hole 37 and screwed into the holes drilled in the housings 1 and 2, thereby The side is enlarged, and the lower mounting portion 10A is fixed to the outer surface 1G and the inner surface 8U of the casings 1 and 2.

  The concave engagement portion 23 and the convex engagement portion 31 constitute a length direction slide mechanism 111, and the concave support receiving engagement portion 43 and the convex support engagement portion 51 constitute a length direction slide mechanism. 111A is constituted.

  A plurality or a single screw hole 38 is provided in the upper and lower mounting portions 10 and 10A.

  Thus, in the present embodiment, corresponding to claim 1, a handrail body 11 having the upper and lower horizontal rails 12, 13 and the vertical rail 14, and a connected portion that connects the handrail body 11 so as to be slidable. The upper mounting portion 10 is provided, and one side surface portion 22 of the upper and lower horizontal rails 12 and 13 and the mounting portion main body 30 which is the facing portion of the upper mounting portion 10 facing the side surface portion 22 are connected to the concave engaging portion 23. In a movable connection type handrail device slidably connected by a length direction slide mechanism 111A having a convex engagement portion 31 that engages with the concave engagement portion 23, a concave shape having a lower portion opened to the lower horizontal rail 13 Since the support receiving engagement portion 43 is provided, and the convex support engagement portion 51 that is slidable on the concave support receiving engagement portion 43 and supports the handrail body 11 is provided in the lower mounting portion 10A, the convex support engagement portion 51 is provided. And the concave support receiving engagement portion 43 engage with each other, so that the handrail body 11 is supported by the convex support engagement portion 51 from below. The convex engagement portion 31 is not in pressure contact and can be smoothly slid in the event of an earthquake.

  In this way, in this embodiment, corresponding to claim 2, the slide resistance reducing portion 48 is provided on at least one of the inner surface of the concave support receiving engagement portion 43 and the outer surface of the convex support engagement portion 51. In the example, since the slide resistance reducing portion 48 is provided in the through hole 45 that is the inner surface of the concave support receiving engagement portion 43, friction during sliding between the lower horizontal rail 13 and the lower mounting portion 10A that is the connected portion is reduced. Can do.

  In this way, in the present embodiment, in correspondence with claim 3, the concave engagement portion 23 is formed with the lower opening 24A which is a drainage portion having a lower opening, so that the water is recessed. Even if it enters, the water is discharged from the lower opening 24A to the outside, so that it is possible to prevent the water in the concave engaging portion 23 from freezing and causing a malfunction in winter.

  Further, as an effect on the embodiment, the inclined surface 33A is 30 to 60 degrees, preferably 40 to 60 degrees with respect to the horizontal, so that the water in the recess 27 can be discharged smoothly. In addition, since the sharpened portions 34 that are a plurality of corners are provided side by side on both sides of the rising portion 33, the sliding resistance between the recess 27 and the rising portion 33 can be reduced.

  5 and 6 show a second embodiment of the present invention, where the same reference numerals are given to the same portions as those of the first embodiment, and detailed description thereof is omitted. This is an example of the handrail body 11A, and the handrail body 11 and the handrail body 11A are slidably coupled. The handrail body 11A has substantially the same configuration as that of the handrail body 11 except that the connection portion is different.

  The convex engagement portion 31 is provided on the side surface portion 22 which is the opposite portion of the handrail body 11A, and the upper horizontal rail 12 of the handrail bodies 11 and 11A is formed by the concave engagement portion 23 and the convex engagement portion 31. , 12 are slidably connected.

  An inner body 61 is fitted into the lower horizontal rail 13 of the handrail body 11A, and the inner body 61 is provided over the entire length in the length direction of the lower horizontal rail 13. The interior body 61 has a bottom surface portion 62 and side surface portions 63, 63, and insertion portions 64, 64 to be inserted into the insertion grooves 47, 47 are provided on the upper edges of the side surface portions 63, 63. A receiving groove 65 for inserting the tip of the protruding portion 47A is provided at the lower portion of the portion 64. Further, a screw hole forming portion 18 having a screw hole 19 is projected on the inner surface of the lower horizontal rail 13, and the side surface portion 22 of the lower horizontal rail 13 is engaged with an upper portion of the screw hole forming portion 18. A portion 66 is projected.

  Further, the center of the bottom surface portion 62 of the interior body 61 and the convex support engaging portion 51 of the handrail body 11 are connected by a connecting portion 67. The connecting portion 67 includes a reverse-shaped main body 68, the rising portion 53 protrudes from one end of the main body 68, the rising portion 69 is provided at the other end of the main body 68, and the rising portion 69 is The bottom part 62 is connected to the center.

  And as shown in FIG. 6, a pair of handrail bodies 11 and 11A are supported by the housings 1 and 2 by the hinges 9 and 9 which are support parts on both sides in the length direction, and in this state, the handrail bodies 11 and 11A are It is supported at the same height by the slide mechanism 111A.

  As described above, the upper portions of the adjacent handrail bodies 11, 11A are slidably connected by the engaging portions 23, 31, and the lower portions of the adjacent handrail bodies 11, 11A are slidably connected by the support engaging portions 43, 51. In addition, freezing can be prevented in the engaging portions 23, 31 and the engaging portions 43, 51, and the adjacent handrail bodies 11, 11A can be smoothly slid.

  As described above, in this embodiment, the same operations and effects as those of the first embodiment are obtained.

  In this way, in this embodiment, corresponding to claim 4, the coupled portion is a coupled handrail body that is paired with the handrail body 11 and has the lower horizontal rails 12, 13 and the vertical rail 14. Since the handrail body 11A is provided with the convex support engagement portion 51 on the lower horizontal rail 13 of the handrail body 11A, the handrail body 11 and the connected handrail body 11A can be slidably extended.

  Further, as an effect of the embodiment, since the interior body 61 is fitted into the lower horizontal rail 13 of the other handrail body 11, the internal body 61 can be integrated with the lower horizontal rail 13. Further, since the center of the bottom surface portion 62 of the interior body 61 and the convex support engagement portion 51 of the handrail body 11 are connected by the connecting portion 67, the distance between the handrail bodies 11, 11A paired by the connecting portion 67 is correctly set. Can be set. The interior body 61 is provided over substantially the entire length of the handrail body 11A.

  7 and 8 show a third embodiment of the present invention. The same reference numerals are given to the same parts as those of the above-mentioned embodiments, and detailed description thereof will be omitted. In this example, a convex engagement portion is described. The modification of 31 and the concave engaging part 23 is shown.

  The concave engagement portion 23 is provided on one side surface portion 22 of the handrail body 11, and the convex engagement portion 31 is provided on the other side surface portion 22 of the handrail body 11A. The lower surface of the upper surface portion 26 of the concave engaging portion 23 is formed in a semicircular shape, and the upper end 33S of the rising portion 33 of the convex engaging portion 31 is also formed in a semicircular shape.

  In addition, an inclined curved surface 25B that is inclined outward and downward is formed at the lower portion of the vertical wall portion 25.

  Further, a curved projection 71 serving as a spacer is provided on the inner surface of the lower end of the side surface portion 22, and a curved projection 72 serving as a spacer is provided on the lower outer surface of the rising portion 33. A concave curved surface 32A is formed on the upper surface of the base end portion 32. Further, the curved protrusion 71 prevents the surface contact between the vertical wall portion 25 and the rising portion 33, and the curved protrusion 72 prevents the surface contact between the inner surface of the side surface portion 22 and the rising portion 33, and at the same time, prevents capillary action. doing.

  As described above, in this embodiment, the same operations and effects as those of the first embodiment are obtained.

  Further, in this example, the curved protrusion 71 is provided on the inner surface at the lower end of the side surface portion 22, and the curved protrusion 72 is provided on the lower outer surface of the rising portion 33, so that the capillary phenomenon into the recess 27 occurs. It is possible to prevent water from entering.

  FIG. 9 shows a fourth embodiment of the present invention. The same reference numerals are given to the same portions as those of the above-described embodiments, and detailed description thereof will be omitted. At both ends in the length direction of the upper and lower mounting portions 10 and 10A, end face plates 121 as positioning means are provided, and through holes 38A are formed in the end face plates 121 corresponding to the screw holes 38. Yes.

  End plates 121 and 121 having the same vertical spacing of the through holes 38A are arranged at both ends of the upper and lower mounting portions 10 and 10A, respectively, and screws 39 are inserted into the through holes A. The screws 39 are screwed into the screw holes 38. By doing so, the vertical position in the length direction of the upper and lower mounting portions 10, 10A can be accurately set.

  As described above, in this embodiment, the same effects as those in the above-described embodiment can be obtained.

  Further, in this example, after using the end face plates 121 and 121 as positioning means where the positions of the through holes 38A through which the screws 39 are inserted are equal, the end face plates 121 are attached to both ends of the upper and lower mounting portions 10 and 10A with the screws 39. By fixing the upper and lower mounting portions 10 and 10A to the casings 1 and 2 with the anchors 35, the distance between the upper and lower mounting portions 10 and 10A can be set correctly in the entire length direction. The clearance between the joint portion 23 and the convex engagement portion 31 can be set accurately, and the meshing in the slide mechanism 111 can be prevented.

  As mentioned above, although embodiment of this invention was explained in full detail, this invention is not limited to said each embodiment, A various deformation | transformation implementation is possible within the range of the summary of this invention. For example, various types of concave engaging portions and concave engaging portions can be used. Further, a spacer may be provided on either the outer surface or the rising portion of the vertical wall portion, and a spacer may be provided on either the inner surface or the rising portion of the side surface portion. Further, a slide resistance reducing portion may be provided on the outer surface of the arm portion of the convex support engaging portion, or a slide resistance reducing portion may be provided on both the outer surface of the arm portion and the through hole.

1 Housing 2 Housing
10 Upper mounting part (connected part)
11 Handrail
11A handrail (connected handrail)
12 Upper horizontal rail
13 Lower horizontal rail
14 Vertical rail
22 Side of handrail (opposite part)
23 Concave engaging part
24A Lower opening (drainage)
30 Mounting body (opposite part)
31 Convex engaging part
43 Concave support receiving engagement part
45 Through hole (inner surface)
48 Slide resistance reduction section
51 Convex support engagement part
111 Slide mechanism
111A Slide mechanism

Claims (4)

A handrail body having upper and lower horizontal rails and a vertical rail, and a connected portion for slidably connecting the handrail body, and a side portion of the lower horizontal rail and an opposite portion of the connected portion facing the side portion In the movable connection type handrail device that is slidably connected to each other by a longitudinal slide mechanism having a concave engagement portion and a convex engagement portion that engages with the concave engagement portion,
The lower horizontal rail is provided with a concave support receiving engagement portion having an opening at the bottom, and a convex support engaging portion that is slidable on the concave support receiving engagement portion and supports the handrail body is provided on the coupled portion. A movable connection type handrail device characterized by the above. The movable connection type handrail device according to claim 1, wherein a slide resistance reducing portion is provided on at least one of an inner surface of the concave support receiving engagement portion and an outer surface of the convex support engagement portion. The movable connection type handrail device according to claim 1 or 2, wherein a drainage portion having a lower opening is formed in the concave engagement portion. The connected portion is a connected handrail body that is paired with the handrail body and has a lower horizontal rail and a vertical rail, and the convex support engagement portion is provided on the lower horizontal rail of the connected handrail body. The movable connection type handrail device according to any one of claims 1 to 3.

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