JP2017190560A - Expansion joint cover device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an expansion joint cover device in which one handrail and the other handrail can mutually and smoothly slide even when the one handrail and the other handrail slide while rotating.SOLUTION: An expansion joint cover device includes: one handrail 11 which is rotatably connected to one building frame 51; and the other handrail 12 which is rotatably connected to the other building frame 52. The one handrail 11 and the other handrail 12 are arranged in parallel with each other, and are slidably connected on side surfaces of the one and the other handrails 11 and 12. A rotary shaft 23 of the one handrail 11 with respect to the one building frame 51 and a rotary shaft 23 of the other handrail 12 with respect to the other building frame 52 are arranged on the same straight line L parallel to the sliding direction of the one handrail 11 and the other handrail 12.SELECTED DRAWING: Figure 2

Description

  The present invention relates to an expansion joint cover device provided in a gap between two housings, and relates to an expansion joint cover device having a handrail.

  As an expansion joint cover device having a handrail, for example, Patent Document 1 discloses an expansion joint that is movably coupled to follow the movement between the frames, and a pivot coupling unit that couples the scaffold, the plurality of handrails, and the frame and the handrail. And a pivoted connecting part, and the scaffolding is arranged in a state where it can be horizontally moved across the skeletons, and one handrail and the other handrail are slidably fitted in a substantially horizontal direction. In addition, the rotation connecting portion and the rotation connecting portion are disclosed so as to be rotatable about a vertical axis around the shaft portion.

Japanese Patent Laying-Open No. 2015-151736

  However, in the structure described in Patent Document 1 described above, the line connecting the rotation axis of one handrail and the rotation axis of the other handrail in a plan view is relative to the sliding direction of one handrail and the other handrail. And slanted. For this reason, when the two casings are displaced in the longitudinal direction of the gap and one handrail and the other handrail rotate and slide relative to each other, the force that pushes and pulls the rotating shaft is not parallel to the sliding direction. Will work in the direction. Therefore, one handrail and the other handrail do not slide in parallel with each other and may be damaged.

  Then, this invention makes it a subject to provide the expansion joint cover apparatus which can slide smoothly mutually even when one handrail and the other handrail slide while rotating.

  The present invention has been made to solve the above-described problems, and is characterized by the following.

  The invention according to claim 1 is an expansion joint cover device provided in a gap between two casings, and is connected to one handrail rotatably connected to one casing and to the other casing. The other handrail movably connected, the one handrail and the other handrail are arranged in parallel to each other, and are slidably connected on the side surfaces of the one handrail and the other handrail, The rotation axis of the one handrail with respect to the one casing and the rotation axis of the other handrail with respect to the other casing are on the same straight line parallel to the sliding direction of the one handrail and the other handrail. It is characterized by being arranged in.

  The invention described in claim 2 is characterized in that, in addition to the features of the invention described in claim 1, the rotation connecting means for connecting the one handrail and the one housing, and the other handrail and the The rotation connecting means for connecting the other housing is constituted by a uniaxial hinge.

  According to a third aspect of the present invention, in addition to the feature of the first or second aspect of the invention described above, the rotation connecting means is provided at a predetermined interval in the height direction of the one and the other casings. It is characterized by being arranged in plural.

  The invention according to claim 4 is a slide for slidably connecting the one handrail and the other handrail in addition to the feature of the invention according to any one of the first to third aspects. The connecting means includes a slide receiving material fixed to the side surface of the one handrail, and a slide material fixed to the side surface of the other handrail and slidably engaged with the slide receiving material. And

  The invention according to claim 1 is as described above, and one handrail rotatably connected to one housing, and the other handrail rotatably connected to the other housing, The one handrail and the other handrail are arranged in parallel to each other, and are slidably connected to the side surfaces of the one handrail and the other handrail. According to such a configuration, when the two casings are displaced in the longitudinal direction of the gap, one handrail and the other handrail rotate and slide to expand and contract to follow the displacement. Further, when the two casings are displaced in the width direction of the gap, the one handrail and the other handrail slide with each other to expand and contract to follow the displacement.

  Further, the rotation axis of one handrail with respect to one housing and the rotation shaft of the other handrail with respect to the other housing are arranged on the same straight line parallel to the sliding direction of one handrail and the other handrail. Yes. According to such a configuration, a line connecting the rotation axis of one handrail and the rotation axis of the other handrail in a plan view is parallel to the sliding direction of one handrail and the other handrail. be able to. Therefore, even when the casing is displaced in the longitudinal direction of the gap and one handrail and the other handrail rotate and slide, the force pushing and pulling the rotation shaft of one handrail and the other handrail is in the sliding direction. Since they work in parallel to each other, they can be slid smoothly.

  Further, the invention according to claim 2 is as described above, and the rotation connecting means for connecting one handrail and one housing, and the rotation connecting means for connecting the other handrail and the other housing, It consists of a single-axis hinge. According to such a configuration, it is possible to follow the displacement of the housing with simple parts, and it is possible to minimize the cost. Also, by using a single-axis hinge, the pivot shaft can be taken out and supported in a cantilever shape, so the pivot axis of one handrail is moved to the other handrail side and the other handrail is pivoted. It is also easy to place the rotation shaft on an intermediate line between one handrail and the other handrail by moving the shaft toward one handrail side. That is, the structure which arrange | positions two rotating shafts on the same straight line parallel to the sliding direction of one handrail and the other handrail can be implement | achieved cheaply and easily.

  Further, the invention according to claim 3 is as described above, and a plurality of the rotation connecting means are arranged at predetermined intervals in the height direction of the one and the other casings. According to such a configuration, since the rotation connecting means is a short material, the weight of the member can be reduced and the cost can be suppressed.

  Further, the invention according to claim 4 is as described above, and the sliding connection means includes a slide receiving material fixed to a side surface of one handrail and a slide receiving material fixed to the side surface of the other handrail. And a sliding member that is slidably engaged. According to such a configuration, it is possible to retrofit the sliding connection means, and therefore it is possible to deal with various handrails. Therefore, a versatile expansion joint cover device can be provided.

It is a front view of an expansion joint cover apparatus. It is (a) plane sectional view of an expansion joint cover device, and (b) it is an A section enlarged view. It is the figure (handrail is abbreviate | omitted) which looked at the expansion joint cover apparatus from the B direction of FIG.2 (b). It is side surface sectional drawing of an expansion joint cover apparatus. (A) The C section enlarged view of FIG. 4, (b) The D section enlarged view of FIG. (A) The figure which shows the state which the housing displaced to the longitudinal direction of a gap | interval, (b) The figure which shows the state which the housing displaced to the longitudinal direction (opposite direction of (a)) of a gap | interval. (A) The figure which shows the state which displaced in the direction which narrows the width | variety of a gap | interval, (b) The figure which shows the state which the housing | casing displaced in the direction which widens the width | variety of a gap | interval. (A) The figure which shows the state which displaced the casing in the longitudinal direction and the direction which narrows a width | variety, (b) The state which displaced the casing in the longitudinal direction (opposite direction of (a)) and the direction which narrows a width | variety. FIG.

Embodiments of the present invention will be described with reference to the drawings.
The expansion joint cover device 10 according to the present embodiment is provided in a gap 50 between two housings as shown in FIGS. 1 and 2, and is rotatably connected to one housing 51. One handrail 11, the other handrail 12 rotatably connected to the other housing 52, the rotation connecting means 20 for connecting the one handrail 11 and the other handrail 12 to the housing, respectively, And a sliding connection means 30 that slidably connects the handrail 11 and the other handrail 12 to each other. A floor expansion joint cover device (not shown) is provided in the gap 50 between the two floor housings 53 on the floor surface, and one pair of handrails is provided on both sides of the upper surface of the floor expansion joint cover device and the floor housing 53. 11 and the other handrail 12 may be provided.

  As shown in FIG. 1 and the like, one handrail 11 and the other handrail 12 are framed by an upper horizontal frame 13, a lower horizontal frame 15, a connecting vertical frame 16, and a front end vertical frame 18. A middle horizontal frame 14 spanned in the direction, and a plurality of intermediate vertical frames 17 spanned between the middle horizontal frame 14 and the lower horizontal frame 15 in the vertical direction at a predetermined interval.

  The connecting vertical frame 16 is a member that is connected to a rotating connecting means 20 described later and is rotatably held. The connecting vertical frame 16 is rotatably held by the one casing 51 or the other casing 52 so that the one handrail 11 and the other handrail 12 can be rotated by the one casing 51 or the other casing 52. The lower horizontal frame 15 is held in a suspended state so as not to contact the ground.

  As shown in FIG. 2, the one handrail 11 and the other handrail 12 are arranged in parallel to each other. Further, a part of the side surface of one handrail 11 and a part of the side surface of the other handrail 12 are arranged so as to face each other and overlap. And the sliding connection means 30 (after-mentioned) is provided in this overlapped part.

  The rotation connecting means 20 is provided corresponding to each of the one handrail 11 and the other handrail 12. In this embodiment, as shown in FIG.1 and FIG.3, the rotation connection means 20 which connects one handrail 11 and one housing 51 is provided in three places up and down, and the other handrail 12 and the other housing are provided. Rotating connection means 20 for connecting to 52 is provided at three locations on the top and bottom.

  In the present embodiment, the rotation connecting means 20 is constituted by a short uniaxial hinge as shown in FIG. That is, the rotation connecting means 20 includes one movable piece 21 attached to one casing 51 or the other casing 52 side, the other movable piece 22 attached to the one handrail 11 or the other handrail 12 side, A rotating shaft 23 that rotatably connects one movable piece 21 and the other movable piece 22.

  As shown in FIG. 2B, one movable piece 21 of the rotation connecting means 20 is attached to one casing 51 or the other casing 52 side via a casing fixing bracket 27. The frame fixing metal fitting 27 is a cross-sectional hat-shaped member as shown in FIG. 2 (b), and is a long material provided vertically through as shown in FIG. The housing fixing bracket 27 includes a pair of fixing pieces 27a that come into contact with the surface of one housing 51 or the other housing 52, and a convex portion 27b that projects an intermediate portion of the pair of fixing pieces 27a. The pair of fixing pieces 27a are fixed to one casing 51 or the other casing 52 by screws or the like. Further, an attachment hole for attaching one movable piece 21 of the rotation connecting means 20 is formed in the convex portion 27b. A nut portion 27c welded with a nut is provided inside the mounting hole. For this reason, by inserting a bolt into the mounting hole formed in one movable piece 21 and the mounting hole formed in the convex portion 27b and screwing the bolt into the nut portion 27c, the one movable piece 21 can be easily protruded. 27b can be fixed. In addition, a screw thread may be formed in the attachment hole of the convex part 27b, and a screw may be attached.

  As shown in FIG. 2B, the other movable piece 22 of the rotation connecting means 20 is attached to one handrail 11 or the other handrail 12 side via a handrail fixing bracket 28. The handrail fixing bracket 28 is a member having an L-shaped cross section as shown in FIG. 2B, and is a short material formed in accordance with the vertical width of the rotation connecting means 20 as shown in FIG. The handrail fixing bracket 28 includes a handrail fixing portion 28a fixed to the side surface of one handrail 11 or the other handrail 12 with a screw or the like, and a hinge fixed to the other movable piece 22 of the rotation connecting means 20 with a screw or the like. A fixing portion 28b. In the present embodiment, the one-axis hinge and the handrail fixing bracket 28 of the rotation connecting means 20 are separate materials, but they may be integrated.

  Thus, the rotation connecting means 20 rotatably connects one handrail 11 and the other handrail 12 to one housing 51 and the other housing 52. At this time, the rotation shaft 23 that rotatably supports one handrail 11 is brought out closer to the other handrail 12 than the one handrail 11. On the other hand, the rotation shaft 23 that rotatably supports the other handrail 12 is brought out closer to the one handrail 11 than the other handrail 12. As a result, as shown in FIG. 2A, the rotation shaft 23 for one housing 51 of one handrail 11 and the rotation shaft 23 for the other housing 52 of the other handrail 12 are one handrail 11. And the other handrail 12 is arranged on the same straight line L parallel to the sliding direction (longitudinal direction). Further, since the respective rotation shafts 23 are brought out to the other side by the same amount, the straight line L connecting the two rotation shafts 23 is an intermediate line between one handrail 11 and the other handrail 12. It has become.

  The sliding connection means 30 is for slidably connecting one handrail 11 and the other handrail 12 on the side surfaces. As shown in FIG. 4, the sliding connection means 30 is provided at two upper and lower portions, and connects one handrail 11 and the other handrail 12 so as to be slidable with each other. As shown in FIG. 5, the sliding coupling means 30 is slidable on the slide receiving member 33 fixed to the side surface of the one handrail 11 and fixed to the side surface of the other handrail 12. Engaging slide material 31. As shown in FIG. 2A, the slide receiving member 33 and the slide member 31 are long members provided at a position where one handrail 11 and the other handrail 12 overlap each other. In this embodiment, the slide receiving material 33 is provided on the side surface on the one handrail 11 side, and the slide material 31 is provided on the other side surface on the handrail 11 side, but the slide receiving material 33 is provided on the other handrail 12 side surface. The slide member 31 may be provided on the side surface on the one handrail 11 side.

  As shown in FIG. 5, the slide member 31 is a member that is attached to the side surface of the horizontal frame by an attachment bolt 32 that penetrates the horizontal frame. In the present embodiment, the slide member 31 is attached to the side surfaces of the middle horizontal frame 14 and the lower horizontal frame 15, but may be attached to the upper horizontal frame 13 and the lower horizontal frame 15. The slide member 31 includes a dovetail groove portion 31 a that opens to face the horizontal frame, and a protruding portion 31 c that protrudes in the direction of the slide receiving member 33. A fixing plate 31b is inserted inside the dovetail portion 31a. The fixing plate 31b is for screwing the mounting bolt 32, and the mounting member 32 penetrating the horizontal frame is screwed to the fixing plate 31b, so that the slide member 31 is attached to the horizontal frame. It is fixed. In addition, an engaging portion 31d that is slidably engaged with a guide groove 33c of a slide receiving member 33 described later is provided at the tip of the protruding portion 31c.

  As shown in FIG. 5, the slide receiving member 33 is attached to the side surface of the horizontal frame via a support plate 34 attached to the side surface of the horizontal frame. In the present embodiment, the slide receiving member 33 is attached to the side surfaces of the middle horizontal frame 14 and the lower horizontal frame 15, but may be attached to the upper horizontal frame 13 and the lower horizontal frame 15. When the slide receiving material 33 is attached, the support plate 34 is fixed to the side surface of the horizontal frame in advance. The support plate 34 has a fixing nut 36 attached to the tip of a fixing screw 35 penetrating the support plate 34 and the horizontal frame, and the fixing plate 35 and the fixing nut 36 are used to fasten the support plate 34 and the horizontal frame. It is fixed to the horizontal frame.

  The slide receiving member 33 includes an attachment piece 33a overlapping the support plate 34, and the attachment piece 33a is fixed to the support plate 34 by a fixing means 37 such as a bolt and nut. The slide receiving member 33 includes an engaged portion 33 b having a C-shaped cross section that protrudes in the direction of the slide member 31. Inside the engaged portion 33b, a guide groove 33c that is slidably engaged with the engaging portion 31d of the slide member 31 is formed.

  According to the configuration described above, for example, as shown in FIG. 6, even when the two casings are displaced in the longitudinal direction of the gap 50, one handrail 11 and the other handrail 12 rotate around the rotation shaft 23. By moving and sliding, it can expand and contract to follow the displacement.

  For example, as shown in FIG. 7, even when the two casings are displaced in the width direction of the gap 50, the one handrail 11 and the other handrail 12 can be expanded and contracted to follow the displacement.

  Further, for example, as shown in FIG. 8, even when the two casings are displaced in the longitudinal direction of the gap 50 and displaced in the width direction, one handrail 11 and the other handrail 12 rotate around the rotation shaft 23. By moving and sliding, it can expand and contract to follow the displacement.

Moreover, no matter how the two housings are displaced, as shown in FIGS. 6 and 7, a straight line L connecting the turning shaft 23 of one handrail 11 and the turning shaft 23 of the other handrail 12 is formed. The sliding direction of one handrail 11 and the other handrail 12 is parallel. For this reason, when the two casings are displaced in a direction away from or approaching each other, a force for pushing and pulling the rotating shaft 23 is applied in parallel with the sliding direction. Therefore, since one handrail 11 and the other handrail 12 slide in parallel with each other, they can slide smoothly without contact.

  As described above, according to the present embodiment, one handrail 11 that is rotatably connected to one housing 51 and the other handrail that is rotatably connected to the other housing 52. The one handrail 11 and the other handrail 12 are arranged in parallel to each other and are slidably connected to the side surfaces of the one and the other handrails 11 and 12. According to such a configuration, when the two casings are displaced in the longitudinal direction of the gap 50, one handrail 11 and the other handrail 12 rotate and slide to expand and contract to follow the displacement. it can. Further, when the two housings are displaced in the width direction of the gap 50, the one handrail 11 and the other handrail 12 slide on each other to expand and contract to follow the displacement.

  Further, the rotation shaft 23 for one housing 51 of one handrail 11 and the rotation shaft 23 for the other housing 52 of the other handrail 12 are parallel to the sliding direction of the one handrail 11 and the other handrail 12. Are arranged on the same straight line L. According to such a configuration, a straight line L connecting the turning shaft 23 of one handrail 11 and the turning shaft 23 of the other handrail 12 in a plan view is slid between one handrail 11 and the other handrail 12. It can be parallel to the direction. Therefore, even when the casing is displaced in the longitudinal direction of the gap 50 and the one handrail 11 and the other handrail 12 rotate and slide, the pivot shaft 23 of the one handrail 11 and the other handrail 12 is pushed and pulled. Since the force acts parallel to the sliding direction, they can slide smoothly with each other.

  Further, the rotation connecting means 20 for connecting one handrail 11 and one casing 51 and the rotation connecting means 20 for connecting the other handrail 12 and the other casing 52 are constituted by a single-axis hinge. Yes. According to such a configuration, it is possible to follow the displacement of the housing with simple parts, and it is possible to minimize the cost. In addition, by using a single-axis hinge, the rotating shaft 23 can be supported in the form of a cantilever, so that the rotating shaft 23 of one handrail 11 is brought closer to the other handrail 12 side, It is also easy to move the pivot shaft 23 of the handrail 12 toward the one handrail 11 side and arrange these pivot shafts 23 on an intermediate line between the one handrail 11 and the other handrail 12. That is, a configuration in which the two rotation shafts 23 are arranged on the same straight line parallel to the sliding direction of the one handrail 11 and the other handrail 12 can be realized inexpensively and easily. Moreover, since the rotation connection means 20 is a short material, the weight and cost of a member can be suppressed.

  The slide connecting means 30 includes a slide receiving member 33 fixed to the side surface of one handrail 11 and a slide member fixed to the side surface of the other handrail 12 and slidably engaged with the slide receiving member 33. 31. According to such a configuration, since the sliding coupling means 30 can be retrofitted to the handrail, it is possible to deal with various handrails. Therefore, the versatile expansion joint cover device 10 can be provided.

DESCRIPTION OF SYMBOLS 10 Expansion joint cover apparatus 11 One handrail 12 The other handrail 13 Upper horizontal frame 14 Middle horizontal frame 15 Lower horizontal frame 16 Connection vertical frame 17 Intermediate vertical frame 18 Tip vertical frame 20 Rotating connection means 21 One movable piece 22 The other Movable piece 23 Rotating shaft 27 Housing fixing bracket 27a Fixing piece 27b Protruding portion 27c Nut portion 28 Handrail fixing bracket 28a Handrail fixing portion 28b Hinge fixing portion 30 Sliding connecting means 31 Slide material 31a Dovetail groove portion 31b Fixing plate 31c Protruding portion 31d Engaging portion 32 mounting bolt 33 slide receiving material 33a mounting piece 33b engaged portion 33c guide groove 34 support plate 35 fixing screw 36 fixing nut 37 fixing means 50 gap 51 one housing 52 other housing 53 floor housing L straight line

Claims (4)

An expansion joint cover device provided in a gap between two housings,
One handrail rotatably connected to one housing;
The other handrail rotatably connected to the other housing;
With
The one handrail and the other handrail are arranged in parallel to each other, and are slidably connected on the side surfaces of the one handrail and the other handrail,
The rotation axis of the one handrail with respect to the one casing and the rotation axis of the other handrail with respect to the other casing are on the same straight line parallel to the sliding direction of the one handrail and the other handrail. An expansion joint cover device, characterized by being arranged in   The rotation connecting means for connecting the one handrail and the one casing and the rotation connecting means for connecting the other handrail and the other casing are formed of a single-axis hinge. The expansion joint cover device according to claim 1.   The expansion joint cover device according to claim 1 or 2, wherein a plurality of the rotation connecting means are arranged at a predetermined interval in the height direction of the one and the other casings. Sliding connection means for slidably connecting the one handrail and the other handrail,
A slide receiving material fixed to the side surface of the one handrail;
A slide member fixed to a side surface of the other handrail and slidably engaged with the slide receiver;
The expansion joint cover device according to any one of claims 1 to 3, further comprising:

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