JP5766970B2 - Floor expansion joint device - Google Patents

Description

  The present invention relates to a floor expansion joint device that maintains a joint space that exists as a gap between two adjacent building bodies.

  A typical prior art is disclosed, for example, in Patent Document 1 as an aluminum hollow panel connecting device. In this prior art, a plurality of panel members have been proposed in which fitting protrusions and fitting depressions having fitting structures that can be fitted to each other are provided on both sides in the width direction of the hollow base.

  The fitting convex portion has a pair of first connection legs protruding from one side in the width direction of the base portion. Each first connecting leg has a locking claw at the tip.

  A fitting recessed part protrudes from the width direction other side part of the said base, and has a pair of 2nd connection leg and a latching protrusion. The pair of second connection legs protrude from the base to the other side in the width direction on the outer side in the thickness direction than the first connection legs. The locking projection protrudes from the base end portion of each second connection leg toward the inside in the thickness direction of the base portion.

  In a state where two adjacent panel members are connected to each other, the fitting convex portion is fitted into the fitting concave portion, and each locking claw provided at the tip end portion of the first connecting leg is the first of the adjacent panel member. The engagement protrusions formed on the base end portions of the two connecting legs are engaged and locked from the inside. As a result, in a state where the plurality of panel members are aligned in parallel in the width direction, the adjacent fitting convex portions and the fitting concave portions are fitted to each other and are prevented from coming off, and a predetermined length is provided in the width direction. Build a flat panel body with.

  Another prior art similar to the prior art is disclosed in, for example, Patent Document 2. In this prior art, in order to prevent rattling between the fitting convex part and the fitting concave part fitted to each other in a state where the panel members are coupled in the width direction, the tip part of the first connection leg is provided. The locking claw provided is provided with a locking surface that forms an angle perpendicular to the width direction or close to the width direction, and the locking projection provided at the proximal end of the second connection leg has a width A steep slope that forms an angle perpendicular to the direction or near to the width direction is formed.

  The locking surface of the locking claw faces approximately one side in the width direction, the steep slope formed on the locking projection faces the other side in the width direction, and the steep slope and the locking surface face each other. As a result, in this prior art, rattling of the fitting state between the panel members is prevented, and the vertical and horizontal movements of the panel are completely prevented.

Japanese Utility Model Publication No. 61-2141 No. 2-4171

  In each of the prior arts described in Patent Documents 1 and 2, rattling of the vertical direction, which is the first direction of each panel member, and lateral direction, which is the second direction, is prevented, and the panel members are tightly coupled to each other. Such a panel member may be used as a panel member for constructing a panel main body of a floor expansion joint device that closes a joint space existing as a gap between the respective frames of two adjacent buildings. The length of is required to be a length obtained by adding the distance between the housings facing each other through the joint space to the length mounted on the edge member fixed to each housing. Therefore, if the distance between each housing differs, the panel member from which length differs must be manufactured, and the panel member of the length according to the distance between each housing is required.

  Therefore, in order to use the panel member described in Patent Documents 1 and 2 as the panel member constituting the panel main body of the expansion joint device for floors, the length of the panel member is set to a length suitable for installation between the housings. Alternatively, there is a problem that it is necessary to cut at the factory, and the panel body cannot be easily constructed.

  The objective of this invention is providing the expansion joint apparatus for floors which can construct | assemble a panel main body easily even if it is a case where the distance between each frame of two adjacent buildings changes.

The present invention provides a first edge that is fixed to a housing of one of two buildings adjacent to each other with a joint space in a horizontal first direction and extends in a horizontal second direction perpendicular to the first direction. Material,
A second edge member that is fixed in parallel to the first edge member and extends in the second direction to a housing of the other building of the two buildings;
An intermediate panel member disposed between the first edge member and the second edge member, the first base portion extending in the second direction, and disposed on the second edge member side of the first base portion. Provided on one side and extending in the second direction and provided on the other side of the first base on the first edge side and extending in the second direction. An intermediate panel member having two fitting portions;
A base-side panel member attached to the first edge member, provided on a second base portion extending in the second direction, and one side portion disposed on the second edge member side of the second base portion; A third fitting portion extending in the second direction and detachably fitting to a second fitting portion of the intermediate panel member; and another side portion disposed on the first edge member side of the second base portion. A proximal-side panel member provided with a proximal-side engaging portion that extends in the second direction and engages the first edge member so as to be angularly displaceable about an axis parallel to the second direction;
A free-end side panel member attached to the second edge member, provided at a third base portion extending in the second direction and one side portion disposed on the second edge member side of the third base portion; Auxiliary cover portion that extends in the second direction and is provided to be rotatable around a rotation axis parallel to the second direction, and provided on the other side portion that is disposed on the first edge member side of the third base portion. And a free end side panel member having a fourth fitting portion extending in the second direction and detachably fitting to the first fitting portion of the intermediate panel member,
The first to fourth fitting portions each have a pair of insertion pieces that form a pair in a third direction perpendicular to the first direction and the second direction,
Engaging each insertion piece of the first fitting portion with each insertion piece of the fourth fitting portion, and each insertion piece of the second fitting portion and each insertion piece of the third fitting portion; In the state where the two are engaged, each one of the insertion pieces engaged with each other is screwed and connected at equal intervals in the second direction ,
Said second Enzai includes a first guide surface inclined relative to a virtual horizontal plane, the floor expansion joint device according to claim Rukoto of having a second guide surface that gradually inclined than the first guide face It is.

  Further, the invention is characterized in that the base end side engaging portion is engaged with the first edge member so as to be slidable in the second direction.

  According to the present invention, the proximal side panel member is engaged with the first edge member so as to be angularly displaceable about an axis parallel to the second direction, and the auxiliary cover portion of the free end side panel member is engaged in the second direction. The floor expansion joint device is provided so as to be rotatable about a rotation axis that extends and is parallel to the second direction. The intermediate panel member can be incorporated between the base end side panel member and the free end side panel member so that the length in the first direction can allow the change in the separation distance even if What is necessary is just to implement | achieve the expansion joint apparatus for floors easily adapted to the separation distance parallel to the 1st direction of joint space.

Further, the expansion joint device for a floor is provided with a first edge member and a second edge member on each casing, and engages each insertion piece of the first fitting portion with each insertion piece of the fourth fitting portion, And each insertion piece of the 2nd fitting part and each insertion piece of the 3rd fitting part are engaged, each one insertion piece engaged with each other is screwed, and an intermediate panel member and a base end side Since it is configured by connecting the panel member and the free end side panel member, the number of intermediate panel members to be attached can be adjusted even at a construction site where the separation distance parallel to the first direction of the joint space is different. Thus, it is possible to easily construct a connection panel having a width dimension corresponding to the separation distance in the first direction.

Also, even if relative displacement parallel approaching direction to the first direction, such as by the building frame sudden earthquake each building, by a first guide surface portion of the second edge member and the second guide surface, free end panel The member is guided onto the second edge member, and the joint space constituted by the connection panel constituted by the free end side panel member, the intermediate panel member, and the base end side panel member is maintained, and in the first direction of each housing Relative displacement can be smoothly allowed.

  Further, according to the present invention, since the first edge member and the base end side panel member are slidably provided in the second direction, each building of each building is parallel to the second direction due to a sudden earthquake or the like. Even if it is relatively displaced, the proximal side panel member can keep the joint space closed by sliding the first edge member, and smoothly allow the relative displacement in the second direction of each housing. it can.

It is a top view of the expansion joint apparatus for floors 1 of one Embodiment of this invention. It is sectional drawing seen from the cut surface line II-II of FIG. It is sectional drawing seen from the cut surface line III-III of FIG. It is an expanded sectional view showing intermediate panel member 12 neighborhood of expansion joint device 1 for floors. It is an expanded sectional view showing the 1st edge material 10 neighborhood of expansion joint device 1 for floors. It is an expanded sectional view showing the 2nd edge material 11 neighborhood of expansion joint device 1 for floors. It is an expanded sectional view showing the 2nd edge material 11 neighborhood in the state where separation distance L1 of joint space 4 became large. It is an expanded sectional view showing the 2nd edge material 11 neighborhood in the state where separation distance L1 of joint space 4 became still larger. It is an expanded sectional view showing the 2nd edge material 11 neighborhood in the state where separation distance L1 of joint space 4 became small. It is an expanded sectional view showing the 2nd edge material 11 neighborhood in the state where separation distance L1 of joint space 4 became still smaller.

  FIG. 1 is a plan view of a floor expansion joint device 1 according to an embodiment of the present invention, FIG. 2 is a cross-sectional view taken along the section line II-II in FIG. 1, and FIG. It is sectional drawing seen from the cutting plane line III-III.

  The floor expansion joint device 1 according to the present embodiment is provided between the housings 2 and 3 in order to maintain the joint space 4 existing as a gap between the housings 2 and 3 of two adjacent buildings. . A separation distance L1 between the two casings 2 and 3 is, for example, 100 mm to 350 mm. These housings 2 and 3 are juxtaposed facing the joint space 4 and face each other. Each frame 2, 3 consists of a concrete structure, and in FIGS. 1-3, only the opposing wall part which mutually opposes in the installation position of the expansion joint apparatus 1 for floors of this embodiment, and its vicinity are shown.

  In the following description, the direction in which the housings 2 and 3 approach / separate from each other is referred to as “first direction X”, and the direction perpendicular to the first direction X in the virtual horizontal plane including the first direction X is referred to as “second direction”. The direction perpendicular to the first direction X and the second direction Y is referred to as “third direction Z”.

  The floor expansion joint device 1 includes a first edge member 10, a second edge member 11, an intermediate panel member 12, a base end side panel member 13, and a free end side panel member 14.

  The first edge member 10 is a long member that is fixed to the end portion on the X1 side in the first direction of the housing 3 and extends in the second direction Y. The first edge member 10 is realized by an extruded material such as aluminum or an aluminum alloy.

  The second edge member 11 is a long member that is fixed to the end portion on the other X2 side in the first direction of the housing 2 and extends in the second direction Y. The second edge member 11 is realized by an extruded material such as aluminum or an aluminum alloy. Details of the first edge member 10 and the second edge member 11 will be described later.

FIG. 4 is an enlarged cross-sectional view showing the vicinity of the intermediate panel member 12 of the floor expansion joint device 1.
The intermediate panel member 12 includes a first base portion 20, a first fitting portion 21, and a second fitting portion 22. The first base portion 20 extends in the second direction Y and is formed in a substantially rectangular tube shape in cross section. A partition wall portion 70 extending in the second direction Y and extending in the third direction Z is formed in the first direction X intermediate portion of the first base portion 20. A dovetail 71 extending in the second direction Y and facing the partition wall 70 is formed on the side of the first base 20 on the other side in the first direction X2.

  The 1st fitting part 21 is provided in one side part arrange | positioned at the 2nd edge material 11 side (this embodiment 1st X1 side in this embodiment) of the 1st base part 20 following the 1st base part 20. As shown in FIG. The first fitting portion 21 includes a pair of outer ribs 80a and 80b and a pair of insertion pieces 81a and 81b provided between the outer rib 80a and the outer rib 80b.

  Each of the outer ribs 80a and 80b protrudes from one side of the first base 20 in the first direction X and extends in the second direction Y, respectively. Each insertion piece 81a, 81b protrudes from one side of the first base 20 in the first direction X and extends in the second direction Y, respectively. A connecting portion 82 that connects the insertion piece 81a and the insertion piece 81b is formed at the base end of the insertion pieces 81a and 81b. An engaging portion 83 is formed at the tip of each insertion piece 81a, 81b. One insertion piece 81b arranged below in the installed state is formed with a built-up portion for holding a screw for screwing at equal intervals in the second direction Y.

  The second fitting portion 22 is provided continuously to the first base portion 20 on the other side portion disposed on the first edge member 10 side of the first base portion 20 (in this embodiment, the other side in the first direction X2). The 2nd fitting part 22 has a pair of insertion piece 90a, 90b. Each insertion piece 90a, 90b is formed extending in the second direction Y.

  Inward projections 91a and 91b that engage with the engaging portions 83 of the adjacent intermediate panel members 12 are formed in the vicinity of the base end portions of the insertion pieces 90a and 90b. An intermediate portion between the tip of the insertion piece 90b and the inward projection 91b is formed with a built-up portion for holding a screw corresponding to the screw hole of the insertion piece 81b.

FIG. 5 is an enlarged sectional view showing the vicinity of the first edge member 10 of the floor expansion joint device 1.
The proximal side panel member 13 includes a second base portion 23, a third fitting portion 24, and a proximal end side engaging portion 25. The second base portion 23 extends in the second direction Y and is formed in a substantially rectangular tube shape in cross section. A partition wall 72 extending in the second direction Y and extending in the third direction Z and connecting the upper and lower plate-shaped wall portions is formed in the first direction X intermediate portion of the second base portion 23. The partition wall 72 is formed with a dovetail groove 73 having a substantially C-shaped cross section. A dovetail groove 74 that extends in the second direction Y and protrudes toward the partition wall 72 is formed on one side of the second base 23 on the other side in the first direction X2.

  The 3rd fitting part 24 is provided in one side part arrange | positioned at the 2nd rim material 11 side (this embodiment 1st X1 side in this embodiment) of the 2nd base 23, and is continued to the 2nd base 23. The third fitting portion 24 includes a pair of outer ribs 84a and 84b and a pair of insertion pieces 85a and 85b provided between the outer rib 84a and the outer rib 84b.

  Each of the outer ribs 84a and 84b protrudes from the other side of the second base 23 in the first direction X1 and extends in the second direction Y. Each insertion piece 85a, 85b protrudes from the other side of the second base 23 in the first direction X1 and extends in the second direction Y, respectively. A connecting portion 86 for connecting the insertion piece 85a and the insertion piece 85b is formed at the base end of the insertion pieces 85a and 85b. An engaging portion 87 is formed at the tip of each insertion piece 85a, 85b. One insertion piece 85b disposed below in the installed state has a built-up portion for holding a screw at equal intervals in the second direction Y. The third fitting portion 24 is detachably fitted to the second fitting portion 22 of the intermediate panel member 12.

  The base end side engaging portion 25 is provided continuously to the second base portion 23 on the other side portion arranged on the first edge member 10 side of the second base portion 23 (in this embodiment, the other side in the first direction X2). It is done.

  The proximal-side engaging portion 25 is formed to be connected to the upper end of the other side portion of the second base portion 23 and the parting piece 92 having a substantially L-shaped cross section and the lower end of the other side portion of the second base portion 23. The engagement piece 93 is substantially L-shaped in cross section, and the gap adjustment piece 94 is formed to protrude from the base end portion of the engagement piece 93 in the other direction X2.

  The parting piece 92 extends in the second direction Y and is formed uniformly. The engaging piece 93 extends in the second direction Y and is formed uniformly. The gap adjusting piece 94 extends in the second direction Y and is uniformly formed.

  The first edge member 10 is a long member that includes a main body 40 and a fixed cover 41 attached to the main body 40. The main body 40 extends in the second direction Y, and is horizontally installed on the upper surface of one housing 3. The other end Z2 in the third direction from one end in the width direction of the plate 42 on the joint space 4 side. Between the engagement portion 43 and the support portion 44, the engagement portion 43 that is bent and connected to the other end, the support portion 44 that is bent and connected from the other end in the width direction of the plate-like portion 42 to the other Z 2 in the third direction. And a support piece 45 that is bent from the plate-like portion 42 to the other Z2 in the third direction.

  The engaging portion 43 is composed of a rising portion 43a that is bent from the plate-like portion 42 in the third direction Z2 and continuous, and a flat portion 43b that is bent and connected in the first direction X2 from the tip of the rising portion 43a. On the upper surface of the flat portion 43b, a sliding material 46 made of a strip-shaped synthetic resin sheet is provided.

  The support portion 44 includes a side wall portion 44a that is bent from the plate-like portion 42 in the third direction Z2 and is continuous, and a receiving portion 44b that protrudes in the first direction X1 from the tip of the side wall portion 44a. The receiving portion 44 b contacts the one end portion in the width direction of the fixed cover 41 and supports the fixed cover 41.

  The support piece 45 includes a rising portion 45a that is bent and connected in the third direction Z2 from the plate-like portion 42, and a support portion 45b that protrudes in the first direction X1 from the tip of the rising portion 45a. A plurality of screw holes are formed in the support portion 45b at equal intervals in the longitudinal direction.

  The fixed cover 41 is a long material formed with a substantially inverted L-shaped cross section. The fixed cover 41 includes a substantially flat plate-like plate-like portion 41a, a side wall portion 41b that is bent and connected to one end in the width direction of the plate-like portion 41a in the third direction Z1, and one side in the first direction from the side wall portion 41b. The clearance adjustment protrusion 41c protrudes to X1, and the parting piece 41d protrudes from the side wall 41b to the other Z2 in the third direction.

  The fixed cover 41 is provided such that one end portion in the width direction is in contact with the upper surface of the plate-like portion 42 of the main body portion 40, the middle portion is supported by the support portion 45b of the rising portion 45, and the other end portion in the width direction is provided in the main body. It is supported by the receiving part 44b of the part 40. A plurality of screw holes corresponding to the screw holes formed in the support portion 45b of the main body portion 40 are formed in the plate-like portion 41a. The main body portion 40 and the fixed cover 41 are coupled by screws, thereby constituting the first edge member 10.

  The first edge member 10 is fixed to the housing 3 by an anchor. The proximal-side panel member 13 includes the first edge member in a state in which the engagement piece 93 is fitted in the internal space defined by the engagement portion 43 of the first edge member 10 with a gap in the third direction Z. 10 is provided. At this time, the distance L2 between the gap adjustment protrusion 41c and the gap adjustment piece 94 is set to about 0 mm to 5 mm. In the present embodiment, L2 is set to 3 mm.

  Thus, since the base end side panel member 13 is installed in the 1st edge member 10, the base end side panel member 13 can be angularly displaced about the axis parallel to the 2nd direction Y at the 1st edge member 10. Engage.

  Further, the base side panel member 13 is slidable in the second direction Y with respect to the first edge member 10. Therefore, for example, when two buildings are relatively displaced in the second direction Y due to an earthquake or the like, the floor expansion joint device 1 can allow displacement in the second direction Y by sliding of the base end side panel member 13. it can.

FIG. 6 is an enlarged cross-sectional view showing the vicinity of the second edge member 11 of the floor expansion joint device 1.
The free end side panel member 14 includes a third base portion 26, an auxiliary cover portion 27, and a fourth fitting portion 28. The third base portion 26 extends in the second direction Y and is formed in a substantially rectangular tube shape in cross section. A partition wall portion 75 extending in the second direction Y and extending in the third direction Z is formed in the first direction X intermediate portion of the third base portion 26.

  A dovetail 76 extending in the second direction Y and facing the partition wall 75 is formed on the side of the third base portion 26 on the X1 side in the first direction. A dovetail 77 extending in the second direction Y and facing the partition wall 75 is formed on the side of the third base 26 on the other side X2 in the first direction. Further, a bearing portion 78 having a substantially C-shaped cross section is formed on the side of the third base portion 26 on the X1 side in the first direction, extending in the second direction Y and protruding from the side portion in the first direction X1. It is formed. Further, a parting portion 79 extending in the second direction Y and projecting from the side portion to the other side Z2 in the third direction is formed on the side portion on the X1 side in the first direction of the third base portion 26. Further, below the bearing portion 78, a guide surface portion 78a that is an inclined surface inclined in a direction approaching the upper surface from the bottom portion is formed.

  The auxiliary cover part 27 includes a plate-like part 27a and an engaging part 27b. The plate-like portion 27a extends in the second direction Y and is formed in a plate shape. The engaging portion 27b is bent from the plate-like portion 27a and has a pin portion 27c at the tip thereof. The auxiliary cover portion 27 is provided so as to be rotatable about a rotation axis parallel to the second direction Y with respect to the third base portion 26 by engaging the pin portion 27 c with the bearing portion 78.

  The fourth fitting portion 28 is provided continuously to the third base portion 26 at a side portion that is disposed on the first edge member 10 side (in the present embodiment, the other X2 side in the first direction) of the third base portion 26. The 4th fitting part 28 has a pair of insertion piece 95a, 95b. Each insertion piece 95a, 95b is formed extending in the second direction Y.

  Inward projections 96a and 96b that engage with the engaging portions 83 of the adjacent intermediate panel members 12 are formed in the vicinity of the base end portions of the insertion pieces 95a and 95b. A screw hole corresponding to the screw hole of the insertion piece 81b is formed in an intermediate portion between the distal end portion of the insertion piece 95b and the inward projection 96b.

  The insertion pieces 81a and 81b of the intermediate panel member 12 are inserted into the fourth fitting portion 28 of the free-end side panel member 14, and the engaging portion 83 is engaged with the inward projections 96a and 96b. The intermediate panel member 12 and the free end side panel member 14 are connected by screwing the 96b.

  The insertion pieces 85a and 85b of the base end panel member 13 are inserted into the second fitting portion 22 of the intermediate panel member 12, and the engagement portion 87 is engaged with the inward projections 91a and 91b, so that the insertion piece 85b and the inward projection are engaged. The intermediate panel member 12 and the base end side panel member 13 are connected by screwing 91b. Hereinafter, the connection body of the intermediate panel member 12, the base end side panel member 13, and the free end side panel member 14 may be referred to as a “connection panel 5”.

  Since the 1st fitting part 21 and the 2nd fitting part 22 of the intermediate panel member 12 are formed so that fitting is possible, it connects several intermediate panel members 12 according to the separation distance of the joint space 4. FIG. Thus, the width direction dimension of the connection panel 5 can be set.

  The second edge member 11 includes a first base 50 having a trapezoidal cross section, a second base 51 having a quadrangular cross section, a first flange portion 52 formed integrally with the first base 50, and a second base 51. And a second flange portion 53 that is integrally formed.

  The first base portion 50 extends in the second direction Y, and has a pair of side walls 54 and 55, a first guide surface portion 56, and a second guide surface portion 57. The side wall 54 is formed so as to rise from the bottom in the other direction Z <b> 2 in the third direction, and is connected to the first guide surface portion 56 at the tip portion. The side wall 55 is formed so as to rise from the bottom in the other direction Z2 in the third direction, and is connected to the second guide surface portion 57 at the tip.

  The first guide surface portion 56 is formed at an angle of θ1 with respect to the virtual horizontal plane S1, and is a guide surface portion that guides the auxiliary cover portion 27 of the free end side panel member 14. One end portion of the first guide surface portion 56 is connected to the other end portion of the second guide surface portion 57, and the other end portion is connected to the tip of the side wall 54. The angle θ1 is selected in the range of 30 ° to 45 °, and is set to 41 ° in this embodiment.

  The second guide surface portion 57 is formed at an angle of θ2 with respect to the virtual horizontal plane S2, and is a guide surface portion that guides the auxiliary cover portion 27 of the free end side panel member. The second guide surface portion 57 has one end connected to the tip of the side wall 55 and the other end connected to one end of the first guide surface portion 56. The angle θ2 is selected in the range of 3 ° to 10 °, and is set to 8 ° in this embodiment. A dovetail groove 60 is formed in the surface portion facing the internal space of the second guide surface portion 57.

  The inclination angle θ1 of the first guide surface portion 56 is formed larger than the inclination angle θ2 of the second guide surface portion 57. In this way, by increasing the inclination angle θ1 of the first guide surface portion 56 and setting the inclination angle θ2 of the second guide surface portion 57 small, the distal end portion and the floor surface of the auxiliary cover portion 27 of the free end side panel member 14 are set. Can be reduced in level. As a result, the floor expansion joint device 1 can cover the joint space 4 with almost no step.

  The second base 51 is formed continuously to the other side X2 of the first base 50 in the first direction. The second base portion 51 has a pair of side walls 54 and 58, a bottom portion, and a support surface portion 59. The second base 51 shares one side wall 54 with the first base 50. The side wall 58 is formed so as to rise from the bottom portion, and is connected to the support surface portion 59 at the tip portion.

  The support surface portion 59 is a horizontal support surface portion formed from the side wall 54 to the side wall 58 and supports one end portion of the free end side panel member 14. A dovetail groove 61 is formed in the internal space where the other end portion of the support surface portion 59 and the tip of the side wall 58 intersect. A sliding material 46 is provided on the outer surface portion of the support surface portion 59. Thereby, frictional resistance with the connection panel 5 is reduced, and the connection panel 5 can slide smoothly on the outer surface portion of the support surface portion 59.

  The first flange portion 52 is formed so as to protrude in the first direction X1 from the intersection between the bottom portion and the side wall 55. A plurality of bolt holes for inserting anchor bolts are formed in the first flange portion 52 at intervals in the second direction Y.

  The second flange portion 53 is formed to project from the intersection between the bottom portion and the side wall 58 in the other direction X2 in the first direction. A plurality of bolt holes for inserting anchor bolts are formed in the second flange portion 53 at intervals in the second direction Y.

  Referring to FIG. 1 again, the second edge member 11 is installed extending in the second direction Y. The second edge member 11 is fixed to the housing 2 by inserting the shaft portion of the anchor bolt through the bolt holes of the first and second flanges.

  A plurality of first reinforcing members 100 are connected to the second edge member 11 side by side in the second direction Y. The first reinforcing member 100 extends in the first direction X and is connected to the second edge member 11 via a connecting member 110 that is a pentagonal plate-like body. The first reinforcing member 100 has a main body portion having a rectangular cross section and a flange portion projecting outward from the main body portion. In the first reinforcing member 100, the flange portion at the one end portion in the first direction X1 and the connecting member 110 are screwed and fixed. The connecting member 110 is fixed to the second flange portion 53 of the second edge member 11 with screws. In this way, each first reinforcing member 100 and the second edge member 11 are connected via the connecting member 110.

  And the 1st reinforcement material 100 is fixed to the housing 2 with an anchor bolt. A sliding member 46 is provided on the outer surface portion of each first reinforcing member 100. Thereby, the frictional resistance with the connection panel 5 is reduced, and the connection panel 5 can smoothly slide on the outer surface portion of the first reinforcing member 100.

  Referring again to FIG. 3, among the second edge members 11, the second edge material 11 closest to the Y1 side in the second direction is provided with a side reinforcing material 101 a, The side reinforcing material 101b is provided on the second edge member 11 closest to the other Y2 side in the second direction.

  The side reinforcing members 101 a and 101 b are long members having a substantially h-shaped cross section, and are provided to extend in parallel to the first reinforcing member 100. The side reinforcing members 101a and 101b are connected by being screwed to the second edge member 11 via the connecting member 110 at one end in the first direction X1 and connected to the connecting member 110 at the other end in the first direction X2. The first reinforcing member 102 to be described later is screwed and connected. Further, the side reinforcing members 101a and 101b are fixed to the housing 2 by anchor bolts.

  A second reinforcing member 102 is provided at the other end in the first direction X2 side of the casing 2. The second reinforcing material 102 has a flange portion 102a. As shown in FIG. 1 and FIG. 2, the second reinforcing member 102 has the first reinforcing member in a state where the side wall on the one side X <b> 1 in the first direction is in contact with the end surface on the other side X <b> 2 in the first direction. The flange portion 100 and the flange portion 102a of the second reinforcing member 102 are connected to the connecting member 110 by screws, and the flange portion 102a is fixed to the housing 2 by anchor bolts. A sliding material 46 is provided on the outer surface portion of the second reinforcing material 102. Thereby, the frictional resistance with the connection panel 5 is reduced, and the connection panel 5 can smoothly slide on the outer surface portion of the second reinforcing material 102.

  A frame 6 is formed on the surface of the housing 2 with the second edge member 11 and the second reinforcing member 102 as horizontal frames and the first reinforcing member 100 and the side reinforcing members 101a and 101b as vertical frames.

  A pair of parting members 105 a and 105 b are provided at both ends in the second direction Y of the connection panel 5. The parting members 105 a and 105 b are inserted into the side portions of the connection panel 5 and screwed to be fixed to the connection panel 5.

  A decorative material 106 is attached to the upper surfaces of the connection panel 5 and the first edge member 10. The decorative material 106 is realized by a rectangular marble, brick, tile, synthetic resin decorative sheet, or the like, for example. By attaching the decorative material 106, the beauty of the floor expansion joint device 1 can be improved.

  FIG. 7 is an enlarged cross-sectional view showing the vicinity of the second edge member 11 in a state in which the separation distance L1 of the joint space 4 is increased, and FIG. 8 is a diagram in which the separation distance L1 of the joint space 4 is further increased. It is an expanded sectional view showing the 2 edge material 11 neighborhood.

  When the two buildings are relatively displaced due to an earthquake or the like and the separation distance L1 of the joint space 4 is increased, as shown in FIG. 7, the auxiliary cover portion 27 is rotated by its own weight, and the tip portion is the second guide surface portion 57. Is moved to the other X2 side in the first direction.

  When the separation distance L1 of the joint space 4 is further increased, as shown in FIG. 8, the connecting panel 5 slides on the upper surfaces of the first reinforcing member 100, the side reinforcing member 101a, and the side reinforcing member 101b, thereby Move in the other direction X2 side. At this time, the auxiliary cover portion 27 is further rotated by its own weight and comes into contact with the upper surface of the first reinforcing member 100.

  As described above, when the separation distance L1 of the joint space 4 is increased, the auxiliary cover portion 27 is rotated with the movement of the connection panel 5, and is always the outer surface portion of the second edge member 11 or the first surface portion. The state is maintained in contact with the reinforcing member 100 and the side reinforcing members 101a and 101b.

  Thereby, even when the separation distance L1 of the joint space 4 is increased, the step between the floor surface and the surface portion of the floor expansion joint device 1 can be relaxed, and walking or walking by a wheelchair or the like is possible. Smooth passage of the person.

  FIG. 9 is an enlarged cross-sectional view showing the vicinity of the second edge member 11 in a state in which the separation distance L1 of the joint space 4 is small, and FIG. 10 is a diagram in which the separation distance L1 in the joint space 4 is further reduced. It is an expanded sectional view showing the 2 edge material 11 neighborhood.

  When the two buildings are relatively displaced due to an earthquake or the like and the separation distance L1 of the joint space 4 is reduced, the auxiliary cover portion 27 is guided by the second guide surface portion 57 and rotated upward as shown in FIG. In the connection panel 5, the guide surface portion 78 a abuts on the first guide surface portion 56, the guide surface portion 78 a smoothly slides along the slope of the first guide surface portion 56, and the bottom portion is the support surface portion 59 of the second edge member 11. It slides on and moves to the X1 side in the first direction.

  Thus, since the guide surface part 78a is formed in the free end side panel member 14, two buildings are displaced relatively by an earthquake etc., the separation distance L1 of the joint space 4 becomes small, and the connection panel 5 becomes 1st. When moving to the one direction X1 side, it can slide smoothly on the 1st guide surface part 56 of the 2nd edge material 11, and can move to the 1st direction one X1 side smoothly.

  When the separation distance L1 of the joint space 4 is further reduced, as shown in FIG. 10, the connection panel 5 slides on the upper surfaces of the first reinforcing member 100, the side portion reinforcing member 101a, and the side portion reinforcing member 101b. Move in one direction X1 side. Further, it is guided by the first guide surface portion 56 and the second guide surface portion 57 and moves to the floor surface of the housing 2. At this time, the auxiliary cover part 27 rotates downward by its own weight and comes into contact with the floor surface.

  In this embodiment, since the first guide surface portion 56 and the second guide surface portion 57 are formed on the second edge member 11, the two buildings are relatively displaced by an earthquake or the like, and the separation distance L1 of the joint space 4 is small. Even in such a case, the floor expansion joint device 1 can be smoothly guided onto the floor surface.

  As a result, even when the separation distance L1 of the joint space 4 is reduced, it is possible to prevent a large pressing force from being applied to the floor expansion joint device 1, and the floor expansion joint device 1 is damaged. Can be prevented. Therefore, the joint space 4 can be maintained in a state of being stably closed over a long period of time.

  Further, as shown in FIG. 5, a gap is formed with a gap L2 between the proximal panel member 13 and the first edge member 10, so that the two buildings are close to each other, that is, a joint. When displaced so that the separation distance L <b> 1 of the space 4 becomes small, the proximal-side panel member 13 can be angularly displaced upward with the engaging portion 43 as the rotation center axis.

  Thereby, the free end side end portion of the connection panel 5 can be guided to the first guide surface portion 56 and the second guide surface portion 57 and smoothly moved to the upper surface of the floor surface.

  According to the present embodiment, the floor expansion joint device 1 is fixed to the housing 3 of one of the two buildings adjacent to each other with a joint space 4 in the horizontal first direction X, and the first direction A first edge member 10 extending in a second direction Y that is perpendicular to X and horizontal, and of the two buildings, fixed to the housing 2 of the other building in parallel with the first edge member 10; A second edge member 11 extending in the direction Y; a first base portion 20 extending in the second direction X; and a first side portion disposed on the second edge member 11 side of the first base portion 20; A first fitting portion 21 extending in the two directions Y, and a second fitting portion 22 provided on the other side portion of the first base 20 disposed on the first edge member 10 side and extending in the second direction Y. An intermediate panel member 12 having a second base 23 extending in the second direction Y, and the second edge member 11 of the second base 23. A third fitting portion 24 that is provided on one side portion arranged in the second direction and extends in the second direction Y and is detachably fitted to the second fitting portion 22 of the intermediate panel member 12, and the second base portion 23 is provided on the other side of the first edge member 10, extends in the second direction Y, and can be angularly displaced around the axis parallel to the second direction Y. A base end side panel member 13 having a base end side engaging portion 25 that engages with the base end side, a third base portion 26 extending in the second direction Y, and the third base portion 26 on the second edge member 11 side. An auxiliary cover portion 27 provided on one side portion, extending in the second direction Y and being rotatable about a rotation axis parallel to the second direction Y, and the third base portion 26. 1 provided on the other side portion arranged on the edge member 10 side, extends in the second direction Y, and A fourth fitting portion 28 which fits removably to the serial first fitting portion 21, the free end panel member 14 having a configured to include a.

  By adopting such a configuration, the floor expansion joint device 1 is used when the separation distance L1 parallel to the first direction X of the joint space 4 between the housings 2 and 3 of two adjacent buildings changes. Even if it exists, the free end side edge part of the connection panel 5 is guided on a floor surface, or the free end side edge part of the connection panel 5 is moved on the upper surface of the housing 2, and the change of the said separation distance L1 is permitted. The necessary number of intermediate panel members 12 may be incorporated between the base end side panel member 13 and the free end side panel member 14 so that the length in the first direction can be increased. The expansion joint device for floors 1 suitable for the separation distance L1 parallel to the one direction X can be realized.

The floor expansion joint device 1 engages each insertion piece of the first fitting portion with each insertion piece of the fourth fitting portion, and each insertion piece of the second fitting portion and the third fitting portion. And the intermediate panel member 12, the base end side panel member 13 and the free end side panel member 14 are connected to each other. 5 and this can be constructed by spanning between the first edge member 10 and the second edge member 11, so that the separation distance L1 parallel to the first direction X of the joint space 4 is a different construction site. In addition, by adjusting the number of attached intermediate panel members 12, the connection panel 5 having a width dimension corresponding to the separation distance L1 in the first direction X can be easily constructed at the construction site.

  The floor expansion joint device 1 can be adjusted in the width direction by connecting a plurality of intermediate panel members 12, so that it can be easily constructed even at construction sites where the separation distance L1 of the joint space 4 is different. can do. As a result, the manufacturing cost of the floor expansion joint device 1 can be reduced.

  Moreover, according to this embodiment, the support surface part 59 which contact | connects the connection panel 5, the upper surface part of the 1st reinforcement material 100, the upper surface part of the side part reinforcement materials 101a and 101b, the upper surface part of the 2nd reinforcement material 102, and an engaging part. Since the sliding member 46 is attached to the flat portion 43b of 43, the friction resistance of the connection panel 5 can be reduced, and the connection panel 5 can be smoothly moved in the first direction X and the second direction Y.

Claims (2)

A first edge member fixed to a housing of one of two adjacent buildings with a joint space in a horizontal first direction and extending in a second direction that is perpendicular to the first direction and horizontal;
A second edge member that is fixed in parallel to the first edge member and extends in the second direction to a housing of the other building of the two buildings;
An intermediate panel member disposed between the first edge member and the second edge member, the first base portion extending in the second direction, and disposed on the second edge member side of the first base portion. Provided on one side and extending in the second direction and provided on the other side of the first base on the first edge side and extending in the second direction. An intermediate panel member having two fitting portions;
A base-side panel member attached to the first edge member, provided on a second base portion extending in the second direction, and one side portion disposed on the second edge member side of the second base portion; A third fitting portion extending in the second direction and detachably fitting to a second fitting portion of the intermediate panel member; and another side portion disposed on the first edge member side of the second base portion. A proximal-side panel member provided with a proximal-side engaging portion that extends in the second direction and engages the first edge member so as to be angularly displaceable about an axis parallel to the second direction;
A free-end side panel member attached to the second edge member, provided at a third base portion extending in the second direction and one side portion disposed on the second edge member side of the third base portion; Auxiliary cover portion that extends in the second direction and is provided to be rotatable around a rotation axis parallel to the second direction, and provided on the other side portion that is disposed on the first edge member side of the third base portion And a free end side panel member having a fourth fitting portion extending in the second direction and detachably fitting to the first fitting portion of the intermediate panel member,
The first to fourth fitting portions each have a pair of insertion pieces that form a pair in a third direction perpendicular to the first direction and the second direction,
Engaging each insertion piece of the first fitting portion with each insertion piece of the fourth fitting portion, and each insertion piece of the second fitting portion and each insertion piece of the third fitting portion; In the state where the two are engaged, each one of the insertion pieces engaged with each other is screwed and connected at equal intervals in the second direction ,
Said second Enzai includes a first guide surface inclined relative to a virtual horizontal plane, the floor expansion joint device according to claim Rukoto of having a second guide surface that gradually inclined than the first guide face . The proximal-side engagement portion, the first edge member, according to claim 1 Symbol placement of the floor expansion joint device, characterized in that slidably engage the second direction.

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