JP2011220006A - Expansion joint device for floor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an expansion joint device for a floor capable of keeping a gap between skeletons closed even if skeletons of two adjacent structure displace relative to each other and easily constructing the panel with arbitrary second direction dimensions.SOLUTION: An expansion joint device 10 for a floor comprises a first edge member 13, a second edge member 14 and an assembly panel body 16. The assembly panel body 16 has a plurality of connecting panel members 18. The connecting panel members 18 have an intermediate base 19, and a fitting projection part 21 and a fitting recess part 22. The intermediate base part 19 is formed to extend in a first direction X. The intermediate base is provided with a reinforcing part. The fitting projection part 21 and the fitting recess part 22 can be fitted to each other. Also, the fitting projection part 21 and the fitting recess part 22 are provided in continuation from the intermediate base 19.

Description

  The present invention relates to a floor expansion joint device that maintains a state in which a gap existing as a joint space is closed between each frame of two adjacent structures such as a building and a road.

  A typical prior art of the present invention 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 convex portions and fitting concave portions having fitting structures that can be fitted to each other are respectively provided on both sides in the horizontal direction of the hollow base portion.

  A fitting convex part protrudes from the horizontal direction one side part of the said base, and has a pair of 1st connection leg. Each first connection leg has a locking claw at the tip.

  A fitting recessed part protrudes from the horizontal 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 protrudes from the base to the other side in the horizontal 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.

  When two adjacent panel members are fitted to each other, each locking claw provided at the distal end portion of the first connection leg is in the state of the adjacent panel member with the fitting convex portion fitted into the fitting concave portion. It engages and locks from the inside to each locking projection formed on the base end of the second connecting leg. As a result, in a state where the plurality of panel members are aligned in parallel in the horizontal 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 horizontal direction. Build a flat panel body with.

  Another conventional technique similar to such a conventional technique is disclosed in Patent Document 2, for example. In this prior art, in the state where the panel members are connected in the horizontal direction, in order to prevent rattling between the fitting convex portion and the fitting concave portion that are fitted to each other, The locking claw provided is provided with a locking surface that is perpendicular to the horizontal direction or at an angle nearly perpendicular to the horizontal direction, and the locking projection provided at the base end of the second connection leg has a horizontal surface. A steep slope is formed that is perpendicular to the direction or at an angle close to perpendicular to the horizontal direction.

  The locking surface of the locking claw faces approximately one side in the horizontal direction, the steep slope formed on the locking projection faces the other side in the horizontal direction, and the steep slope and the locking surface face each other. Thereby, in this prior art, rattling of the fitting state is prevented, and the vertical and horizontal movements of the panel member 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, the vertical movement, which is the first direction of the panel, and the lateral movement, which is the second direction, are completely prevented and the panel is fastened. If the two buildings are displaced relative to each other and the dimensions of the gap between each frame change in the direction parallel to the horizontal direction, the risk of the floor expansion joint being damaged cannot be reduced. .

  Moreover, since the panel does not have a large strength that can load a large load such as a vehicle, if the large load such as the vehicle is loaded, the panel is deformed or destroyed, and thus the large load cannot be loaded. There is a problem.

  An object of the present invention is to provide a floor expansion joint device capable of easily constructing a panel with an arbitrary width direction dimension and improving strength and workability.

The present invention is provided to be fixed to one of opposing housings of two structures adjacent to each other in a horizontal first direction with a gap and to extend in a second direction perpendicular to the first direction on a horizontal plane. A first edge member;
A second edge member fixed to the other of the housings in parallel with the first edge member and extending in the second direction;
The one end in the first direction is locked to the first edge member so as to be movable in the second direction, and the other end in the first direction is in the first direction with respect to the second edge member. An assembly panel body that is movably supported on the intermediate base, and is formed integrally with the intermediate base formed to extend in the first direction across the first and second edge members, and one end in the second direction of the intermediate base. A fitting convex portion formed integrally, a fitting concave portion formed integrally with the other end portion in the second direction of the intermediate base portion, and a reinforcing portion rising from the intermediate base portion and extending in the first direction. And an assembly panel body composed of a plurality of connection panel members that are fitted and connected to the fitting concave portion of the one connection panel member and the fitting convex portion of the other connection panel member adjacent to each other. The floor expansion joint device is characterized.

  In the invention, it is preferable that the assembly panel body includes a connecting member in which the dimension of the intermediate base in the second direction is different from other connecting panel members.

  The present invention is also characterized in that a hinge portion having a hinge piece that can be angularly displaced about a rotation axis parallel to the second direction is provided at the other end portion in the first direction of the assembly panel body.

  According to the present invention, the assembly panel body includes a plurality of connection panel members, and the connection panel member includes the intermediate base portion, the fitting convex portion, and the fitting concave portion, and the reinforcing portion is formed. The intermediate base is formed to extend in the horizontal direction, which is the first direction. The fitting convex part and the fitting concave part can be fitted to each other. Further, the fitting convex part and the fitting concave part are formed continuously to the intermediate base part.

  With such a configuration, even if the two structures are displaced relative to each other due to an earthquake or the like, and the dimension in the first direction along the horizontal direction of the gap between each housing changes, the relative displacement of each housing is allowed, The connection between the housings by the assembly panel body can be maintained. Therefore, it is possible to prevent the assembly panel body from being damaged.

  Moreover, it can be set as the assembly panel body from which the dimension of the 2nd direction along a width direction differs by changing the number of connection panel members. Furthermore, compared with the case where an assembly panel body is formed by one member, carrying in of an assembly panel body can be made easy.

  Moreover, since the reinforcement part is formed in a connection panel member, when attaching cosmetics via cement mortar etc. to the side surface in which the reinforcement part of a connection panel member is formed, a reinforcement part is used as a retaining piece. The adhesion strength between the connection panel member and the cement mortar can be improved. Thereby, the peeling crack of cement mortar can be prevented.

  According to the invention, the assembly panel body has a plurality of types of connection panel members, and the plurality of types of connection panel members have different sizes in the second direction of the intermediate base. As a result, an assembly panel having an arbitrary dimension in the second direction can be easily constructed.

  According to the invention, the other end portion in the first direction of the assembly panel body is provided with a hinge portion having a hinge piece that can be angularly displaced around a rotation axis parallel to the second direction. Thereby, the hinge piece can be angularly displaced to block the step generated between the surface of the assembly panel body and the frame floor surface.

It is sectional drawing perpendicular | vertical to the 2nd direction Y of the expansion joint apparatus for floors 10 concerning this invention. It is sectional drawing perpendicular | vertical to the 1st direction X of the expansion joint apparatus for floors 10 concerning this invention. 1 is a plan view of a floor expansion joint device 10 according to the present invention. It is sectional drawing which cut | disconnected and saw the 1st edge material 13 in this embodiment in the virtual plane perpendicular | vertical to the 2nd direction Y. It is sectional drawing which cut | disconnected the 2nd edge material 14 in this embodiment, and was cut | disconnected by the virtual plane perpendicular | vertical to the 2nd direction Y. It is sectional drawing perpendicular | vertical to the 2nd direction Y of the edge part of the other 1st direction X2 of the assembly panel body 16 in this embodiment. 3 is a cross-sectional view of a connection panel member 18. FIG. It is sectional drawing of the fitting convex part 21 and the fitting recessed part 22 in this embodiment. It is sectional drawing of the edge part of the 2nd direction other Y2 of the assembly panel body 16 in this embodiment. It is sectional drawing of the panel member 90 which is the other form of the panel member 80. FIG.

  FIG. 1 is a cross-sectional view perpendicular to the second direction Y of a floor expansion joint device 10 according to the present invention. FIG. 2 is a cross-sectional view perpendicular to the first direction X of the floor expansion joint device 10 according to the present invention. FIG. 3 is a plan view of the floor expansion joint device 10 according to the present invention. FIG. 1 is a cross-sectional view of the floor expansion joint device 10 taken along the cutting plane line S1-S1 perpendicular to the second direction Y shown in FIG. 3, and FIG. It is sectional drawing which cut | disconnected and looked at the expansion joint apparatus 10 for floors by cut surface line S2-S2 perpendicular | vertical to 1 direction X. FIG.

  The floor expansion joint device 10 is maintained in a state where a gap existing as a joint space or the like is closed between the housings 11 and 12 of two adjacent structures such as a building and a building or a building and a road. In the present embodiment, the housings 11 and 12 are made of, for example, a concrete structure. The housings 11 and 12 are separated from each other by about several tens of centimeters (abbreviation “cm”) to 1 meter (meter, abbreviation “m”), and a gap exists between the housings 11 and 12. The casings 11 and 12 are disposed facing the gap, and one casing 11 and the other casing 12 of the two casings 11 and 12 are opposed to each other with the gap interposed therebetween.

  In the following description, a direction along a horizontal straight line connecting two opposing housings 11 and 12 is referred to as a “first direction X”, and a direction perpendicular to the first direction X on a horizontal plane is referred to as a “second direction Y”. Called. In the first direction X, the direction from the other casing 12 toward the one casing 11 is referred to as “first direction one X1”, and the first direction X opposite to the first direction one X1 is referred to as “first direction X1”. This is referred to as “one direction other X2”. Further, in the second direction Y, the direction from the front side to the back side in FIG. 1 is referred to as “second direction one Y1”, and the second direction Y opposite to the second direction one Y1 is referred to as “second direction”. The other direction is called Y2.

  The expansion joint device 10 for floors is spanned in the space | gap between these each housing | casing 11 and 12, and the channel | path between two structures is comprised.

  The floor expansion joint device 10 includes a first edge member 13, a second edge member 14, and an assembly panel body 16. The first edge member 13 is fixed to one of the housings 11 and 12 and is provided extending in the second direction Y. The second edge member 14 is fixed to the other of the housings 11 and 12 in parallel with the first edge member 13 and extends in the second direction Y.

  The assembly panel body 16 has a first direction one X1 side end portion extending between the first and second edge members 13 and 14 and is movably locked in the second direction Y with respect to the first edge member 13. The other end in the first direction X2 is supported by the second edge member 14 so as to be movable in the first direction X with respect to the second edge member 14 on the second edge member 14.

  The assembly panel body 16 has a plurality of connection panel members 18. Each connection panel member 18 includes an intermediate base 19, a fitting convex portion 21, and a fitting concave portion 22. The intermediate base 19 is formed extending in the first direction X. The fitting convex portion 21 and the fitting concave portion 22 can be fitted to each other. The fitting convex portion 21 is formed continuously to the second base Y2 side of the intermediate base portion 19. The fitting recess 22 is formed continuously to the second base Y1 side of the intermediate base 19.

  Each connection panel member 18 is formed with a first reinforcing portion 20a having an inverted L-shaped cross section rising from the intermediate base portion 19 in the upward direction Z1 and a second reinforcing portion 20b having a T-shaped cross section as reinforcing portions. Each connecting panel member 18 is formed with a concave accommodating space having the first and second reinforcing portions 20a and 20b as side walls. This housing space is filled with cement mortar or the like. Specific configurations of the first and second reinforcing portions 20a and 20b will be described later.

  On the upper surface of the assembly panel body 16, a decorative material 9 such as a stone, a tile, or a brick is provided via cement mortar or the like.

  Each connection panel member 18 included in the assembly panel body 16 is realized by an extrusion molding material such as aluminum or an aluminum alloy. Each connection panel member 16 is arranged such that its longitudinal direction coincides with the second direction Y. The plurality of connection panel members 18 are arranged in the second direction Y, and the two connection panel members 18 adjacent to each other in the second direction Y are connected to each other. The fitting projection 21 and the fitting recess 22 of each connection panel member 18 are formed over the entire length in the first direction X of the connection panel member 18, and the first direction X of the fitting projection 21 and the fitting recess 22. The cross-sectional shape perpendicular to is formed uniformly over the entire length in the first direction X.

  Although the fitting convex portion 21 of each connection panel member 18 may be directed to any side in the second direction Y from the intermediate base portion 19, in all connection panel members 18 included in one assembly panel body 16. Each fitting convex portion 21 is directed to the same side in the second direction Y from each intermediate base portion 19. In this embodiment, each fitting convex part 21 is arrange | positioned rather than each intermediate | middle base part 19 toward the 2nd direction one Y1. Therefore, each fitting recess 22 is disposed toward the other Y2 in the second direction with respect to each intermediate base 19.

  The assembly panel body 16 has a plurality of types of connection panel members 18, and the plurality of types of connection panel members 18 have different dimensions in the second direction Y of the intermediate base 19. The dimensions of the connecting panel member 18 in the first direction X are all set to the same dimension, longer than the length L of the air gap, for example, 1250 millimeters (abbreviated as “mm”). The fitting convex part 21 and the fitting concave part 22 among the connection panel members 18 are formed in the same shape and the same dimensions in any connection panel member 18. The connection panel member 18 is formed as a hollow member, and an internal space is formed inside the intermediate base portion 19. Adjacent connection panel members 18 are integrally connected by fitting the fitting convex portion 21 and the fitting concave portion 22 to each other.

  The first edge member 13 and the second edge member 14 may be provided on either one or the other casing. In the present embodiment, the first edge member 13 is fastened to one housing 11 and the second edge member 14 is fastened to the other housing 12 by welding anchors 26, respectively. The first edge member 13 is provided in the vicinity of the end of the other side X <b> 2 in the first direction in the one housing 11. On the other hand, the second edge member 14 is provided in the other housing 12 at a position recessed several tens of centimeters in the first direction other X2 from the end in the first direction one X1.

  In the state where the base material 27 having a substantially L-shaped cross section extending from the end portion on the X1 side in the first direction to the second edge member 14 is supported by the welding anchor 26 on the surface portion of the other casing 12 in the second direction. A plurality of Y are provided at intervals. Further, a parting material 28 having a substantially L-shaped cross section extending in the second direction Y is provided at the end of the other housing 12 on the one side X1 side in the first direction. The base material 27 and the parting material 28 are supported and fixed to the housing 12 by the welding anchor 26, and the periphery thereof is filled with cement mortar.

  A plate-like base material 29 extending in the second direction Y is provided on the surface portion of each base material 27 facing the upper side Z1. The base material 29 is fastened to each base material 27 by the screw member 15. By the base material 27, the parting material 28, and the base material 29, a placement portion 23 having a horizontal placement surface portion 31 is formed on the top of the housing 12, and the floor expansion joint device 10 is provided on the placement surface portion 31. It is done.

  Even when the separation distance L between the housings 11 and 12 is increased due to an earthquake or the like, and the end portion of the assembly panel body 16 in the first direction other X2 is moved in the first direction one X1 than the second edge member 14, The assembly panel body 16 is supported by the placement surface portion 31. Thereby, the position in the height direction of the end in the first direction other X2 of the assembly panel body 16 is the end of the other end X2 in the first direction of the assembly panel body 16 regardless of the separation distance L between the housings 11 and 12. It is kept the same as the position in the height direction when the part is located on the second edge member 14.

  FIG. 4 is a cross-sectional view of the first edge member 13 according to the present embodiment as seen by cutting along a virtual plane perpendicular to the second direction Y. FIG. 4 also shows the end portion of the assembly panel 16 in the first direction X1.

  The first edge member 13 includes an edge member body 35, a guide member 36 having a substantially inverted J-shaped cross section, and a plate-like lid member 37. The rim material main body 35 protrudes downward from the rim material main body 35 in the Z2 direction, and is continuous with the leg portions 40a, 40b, 40c, and 40d extending in the second direction Y, and protrudes from the rim material main body 35 in the first direction X1. An engagement portion 41 extending in the second direction Y, a first guide member support portion 42 having a substantially L-shaped cross section extending in the second direction Y and extending from the edge body 35 to the other in the first direction X2, and the first There is a second guide member support portion 43 that extends in the second direction Y and extends in the second direction Y from the edge member main body 35 in the first direction X2 above the guide member support portion 42.

  The housing 11 has an installation recess 8. An engagement member 38 is provided in the installation recess 8. The engaging member 38 has a main body portion 47 having a substantially L-shaped cross section and a plate-like engaging piece portion 48. The engagement member 38 is a short member, and a plurality of the engagement members 38 are provided at intervals in one Y1 in the second direction. The engaging member 38 is fixed to the welding anchor 26 and is provided in the installation recess 8.

  The first edge member 13 is attached to the installation recess 8 of the housing 11 by engaging the engagement portion 41 with the engagement piece 48 of the engagement member 38. Accordingly, the engaging portion 41 restricts the movement of the edge main body 35 in the other direction X1 in the first direction. In this way, the installation recess 8 is filled with cement mortar while the first edge member 13 is engaged with the engagement member 38. The leg portions 40a, 40b, 40c, and 40d of the first edge member 13 are embedded in cement mortar. Accordingly, the leg portions 40 a to 40 d function as anchors, and prevent the first edge member 13 from being detached from the installation recess 8.

  The first guide member support portion 42 supports the guide groove portion 45 of the guide member 36. The second guide member support portion 43 supports the flat plate portion of the guide member 36. The second guide member support portion 43 is formed with a screw hole that is inserted toward the lower Z2.

  The guide member 36 includes a main body portion 44, a guide groove portion 45, and a fixed portion 46. The guide groove portion 45 is formed to project from the main body portion 44 in the other direction X2 in the first direction and is curved upward. The fixed portion 46 is connected to the main body portion 44 above the guide groove portion 45 and is formed in a plate shape. The fixing portion 46 is formed with a screw hole that passes through the lower portion Z2. The guide member 36 supports the assembly panel body 16 so as to be slidable in the second direction Y by fitting an engagement piece 71 described later into the guide groove portion 45.

  The lid member 37 is formed in a plate shape, and is fixed to the second guide member support portion 43 via the fixing portion 46 by the screw member 15 or the like. The surface portion of the lid member 37 is provided so as to be continuous with the floor surface of the housing 11, and becomes a floor surface continuous with the floor surface of the housing 11. The surface portion of the lid member 37 and the surface portion of the decorative material 9 on the assembly panel body 16 are arranged in one plane.

  As shown in FIG. 4, an engagement member 70 having an engagement piece 71 is attached to the end portion of the assembly panel body 16 in the first direction one X <b> 1 by the screw member 15. The assembly panel body 16 is supported by the first edge member 13 so as to be slidable in the second direction Y by engaging the engagement piece 71 with the guide groove portion 45. In the engaging member 70, a plurality of drain holes 72 that open to the first edge member 13 are formed in the second direction Y at intervals.

  FIG. 5 is a cross-sectional view of the second edge member 14 according to the present embodiment as seen by cutting along a virtual plane perpendicular to the second direction Y. FIG. 5 also shows the end of the assembly panel body 16 in the other direction X2 in the first direction. A hinge member 50 and an auxiliary cover body 51 are provided over the entire length of the assembly panel body 16 in the second direction Y at the other end X2 in the first direction.

  The auxiliary cover body 51 is connected to the connection panel member 18 via the hinge member 50 and is provided so as to be capable of being angularly displaced with respect to the connection panel member 18. The auxiliary cover body 51 has a hinge piece 52, and the hinge piece 52 and the hinge member 50 have a common rotation axis 53 extending in the second direction Y, and the auxiliary cover body 51 has an angle around the rotation axis 53. Displaceable. The center of gravity of the auxiliary cover body 51 is located on the other side X <b> 2 in the first direction than the position of the rotation axis 53 in the first direction X.

  Although the hinge piece 52 may be formed as a long member like the auxiliary cover body 51 and the hinge member 50, in this embodiment, the second direction dimension is larger than the dimension in the second direction Y of the assembly panel body 16. Is also formed as a member with a short dimension. A plurality of the hinge pieces 52 are provided in the auxiliary cover body 51 extending in the second direction Y. Any hinge piece 52 is allowed to be angularly displaced around a common rotation axis 53 extending in the second direction Y.

  The end portion of the assembly panel body 16 in the other first direction X2 is supported by the second edge member 14 when the hinge member 50 contacts the second edge member 14 from above Z1. The second edge member 14 includes a flat plate-shaped fixing portion 55, an inclined portion 56 that is inclined with respect to a horizontal plane from the vicinity of the middle portion of the fixing portion 55 in the first direction X, and the second direction X2 of the fixing portion 55. And a rising portion 57 rising from the side end portion to the upper side Z1. One side X <b> 1 in the first direction of the fixing portion 55 is screwed to the surface portion of each base material 27 by the screw member 15. The fixed portion 55 is formed with a horizontal placement surface 58 that faces the upper side Z1, and the inclined portion 56 is formed with an inclined surface 59 that is inclined upward Z1 from the fixed portion 55 toward the other side X2 in the first direction. The mounting surface 58 and the inclined surface 59 are continuous and continuous.

  The rising portion 57 has a dovetail groove portion 60 formed so as to protrude in the first direction X1 and an engaging claw portion 61 formed so as to protrude in the other first direction X2. The end portion on the upper Z1 side of the rising portion 57 continues to the end portion on the other X2 side in the first direction of the inclined portion 56.

  The second edge member 14 is provided in a state in which movement in the first direction X1 is restricted by engaging the engaging claw portion 61 with the engaging member 54 fixed to the mounting portion 24 by the welding anchor 26. It is done.

  For example, when an earthquake or the like does not occur and the separation distance L between the housings 11 and 12 is stable at a predetermined distance, the first direction other X2 side end portion of the assembly panel 16 is a fixing portion of the second edge member 14. It is mounted on 55 mounting surfaces 58. In this state, the end portion may be in direct contact with the fixed portion, but the film 66 is disposed on the placement surface 58, and the end portion is placed on the placement surface 58 via the film 66. It is good also as a structure to be.

  From this state, for example, when the separation distance L between the housings 11 and 12 is longer than a predetermined distance due to an earthquake or the like, the end portion moves in the first direction X1 from the fixing portion 55, and again, When the separation distance L between the casings 11 and 12 is restored to a predetermined distance, the end portion is again placed on the placement surface 58 of the fixing portion 55.

  FIG. 6 is a cross-sectional view perpendicular to the second direction Y of the end portion in the other direction X2 of the assembly panel body 16 in the present embodiment. FIG. 6 shows a state where the separation distance L between the housings 11 and 12 is shorter than a predetermined distance. When the separation distance L between the housings 11 and 12 is shorter than a predetermined distance, the first direction other X2 side end portion of the assembly panel body 16 is displaced in the first direction other X2 than the fixing portion 55. In this case, the assembly panel body 16 rides on the inclined portion 56 by contacting the inclined surface 59 formed on the inclined portion 56 and riding on the end portion.

  As a result, when the separation distance L between the housings 11 and 12 is shorter than a predetermined distance due to an earthquake or the like, the end portion is guided by the inclined surface 59 and moves upward Z1 from the inclined portion 56. It is possible to prevent the assembly panel body 16 from being bent or buckled by an external force in a direction compressing in the first direction X.

  When the end portion of the assembly panel body 16 is displaced upward Z1 with respect to the inclined portion 56 of the second edge member 14, the floor surface is located on the other side X2 in the first direction with respect to the second edge member 14. The end is lifted. When the floor surface of the other housing 12 in the other direction X2 in the first direction than the second edge member 14 is referred to as a “casing floor surface”, the end portion and the housing are in a state where the end portion rides on the inclined portion 56. There is a step between the floor. The auxiliary cover body 51 closes a step generated between the hinge member 50 and the frame floor. The auxiliary cover body 51 is angularly displaced around the rotation axis 53 based on its own weight via the hinge piece 52, and forms a slope in the range from the upper Z1 of the hinge member 50 to the frame floor. This inclined surface is inclined downward Z2 as it goes to the other side X2 in the first direction, thereby alleviating traffic obstacles based on steps.

  FIG. 7 is a cross-sectional view of the connection panel member 18 in the present embodiment. FIG. 7 shows a cross section perpendicular to the first direction X of the connection panel member 18. In the connection panel member 18, the dimension of the intermediate base 19 in the second direction Y varies depending on the type of the connection panel member 18.

  An internal space is formed in the intermediate base portion 19 of the connection panel member 18, and the internal space is partitioned in the second direction Y by one or a plurality of partition walls 62. The partition wall 62 is formed over the entire length of the intermediate base portion 19 in the first direction X, and is formed by connecting a flat plate portion in the upper Z1 to a flat plate portion in the lower Z2 of the intermediate base portion 19. The As a result, the partition wall 62 improves the mechanical strength against bending of the intermediate base 19. At least one dovetail groove 63 is formed in the intermediate base portion 19. In the present embodiment, the dovetail 63 has a substantially C-shaped cross section and is formed in the inner space of the intermediate base 19 so as to protrude in the second direction other Y2.

  Further, the connecting panel member 18 has a first reinforcing portion 20a having an inverted L-shaped cross section rising from the intermediate base 19 to the upper Z1, and a second reinforcing portion 20b having a T-shaped cross section rising from the intermediate base 19 to the upper Z1. . The first and second reinforcing portions 20 a and 20 b both extend in the first direction X, and the dimension in the first direction X is the same as the dimension in the first direction X of the connection panel member 18. Screw holes are formed at both ends of the first reinforcing portion 20a. The engagement member 70 or the hinge member 50 is screwed into the screw hole by the screw member 15.

  With such a configuration, the connection panel member 18 can improve the mechanical strength against the load from above.

  In addition, since the connection panel member 18 is formed with the first and second reinforcement portions 20a and 20b, which are reinforcing portions, the connection panel member 18 has a side surface on which the first and second reinforcement portions 20a and 20b are formed. When attaching the decorative material 9 via cement mortar or the like, the first and second reinforcing portions 20a and 20b can be used as retaining pieces, and the adhesion strength between the connecting panel member 18 and the cement mortar is improved. Can do.

  When the engaging member 70 of the assembly panel body 16 that engages with the guide groove portion 45 of the first edge member 13 is attached to the connection panel member 18, and the hinge member 50 is connected in the other direction X2 of the assembly panel body 16. When attaching to the panel member 18, the screw member 15 such as a screw is screwed into the dovetail groove 63 to perform the attachment.

  As shown in FIG. 7, a resin film 66 is provided on the upper surface of the base material 29. Accordingly, the collision can be reduced when the assembly panel body 16 contacts the base material 29, and the friction can be reduced when the assembly panel body 16 slides relative to the base material 29.

  FIG. 8 is a cross-sectional view of the fitting convex portion 21 and the fitting concave portion 22 in the present embodiment. FIG. 8 shows a cross section perpendicular to the first direction X of the fitting convex portion 21 and the fitting concave portion 22, and shows an enlarged half of the connecting panel member 18 in the thickness direction. The shapes of the fitting convex portion 21 and the fitting concave portion 22 are symmetrical in the thickness direction with respect to a central plane passing through the center of the connecting panel member 18 in the thickness direction. This central plane is a plane perpendicular to the thickness direction.

  The fitting convex portion 21 is formed to project from the intermediate base portion 19 toward the one direction Y1 in the second direction, and has a pair of convex portion forming leg portions 74 and a pair of projecting edges 75. Each projection forming leg 74 has a locking claw 76 formed at the tip, and each projecting edge 75 is more than the base end of the projection forming leg 74 in the second direction one Y1 than the intermediate base 19. It is arranged outward in the thickness direction. The dimension of the convex forming leg 74 in the second direction Y is longer than the dimension of the projecting edge 75 in the second direction Y, and both the convex forming leg 74 and the projecting edge 75 protrude from the intermediate base 19. Formed.

  The fitting recess 22 is formed so as to protrude from the intermediate base portion 19 toward the other side Y2 in the second direction, and has a pair of recess forming legs 77, a pair of insertion protrusions 78, and a locking protrusion 79. The position of the pair of recessed portion forming leg portions 77 in the thickness direction is arranged on the outer side in the thickness direction than the position of the pair of protruding portion forming leg portions 74 in the thickness direction. The pair of insertion projecting edges 78 are formed so as to protrude further from the distal end portion of the recess forming leg portion 77 in the other direction Y2. The pair of insertion protrusions 78 are formed so as to be arranged slightly inward in the thickness direction from the distal end portion of the recess forming leg 77, although continuing to the distal end portion of the recess forming leg 77. The length of the insertion protrusion 78 in the second direction Y is formed to be approximately the same as or slightly shorter than the length of the protrusion 75 of the protrusion forming leg 74 in the second direction Y.

  When the fitting convex portion 21 and the fitting concave portion 22 are fitted to each other, the insertion protruding edge 78 is fitted between the base end portion of the protruding portion forming leg portion 74 and the protruding edge 75. The locking projection 79 is formed so as to protrude inward in the thickness direction from the base end portion of each recess forming leg 77.

  In a state where the fitting convex portion 21 and the fitting concave portion 22 are fitted to each other, the locking claw 76 provided at the distal end portion of the convex portion forming leg portion 74 is formed at the proximal end portion of the concave portion forming leg portion 77. The locking protrusions 79 are engaged and locked from the inside. Further, in this state, the insertion projecting edge 78 provided at the distal end portion of the recess forming leg 77 is inserted between the base end of the projecting section forming leg 74 and the projecting edge 75.

  As a result, in a state where the plurality of connecting panel members 18 are aligned parallel to the second direction Y, the adjacent fitting convex portions 21 and the fitting concave portions 22 are fitted to each other and are prevented from coming off in the second direction Y. It becomes a state. Thus, in the state where the adjacent connection panel members 18 are connected to each other, the outer surface in the thickness direction of the projecting edge 75 and the outer surface in the thickness direction of the recess forming leg 77 are approximately in one plane. Be placed.

  FIG. 9 is a cross-sectional view of the end portion of the other direction Y2 in the second direction of the assembly panel body 16 in the present embodiment. FIG. 9 shows a view obtained by cutting the assembly panel body 16 along a virtual plane perpendicular to the first direction X. FIG. The assembly panel body 16 further includes a panel member 80.

  The panel member 80 has a fitting space forming part 82. The fitting space forming part 82 is provided on the side opposite to the fitting recess 22 with respect to the intermediate base 19 and is connected to the intermediate base 19 to form an internal space into which the insertion member 81 is fitted. The insertion member 81 is attached to the panel member 80 in a state where at least a part thereof is inserted into the fitting space forming portion 82.

  The internal space formed in the fitting space forming portion 82 is open on the side opposite to the fitting recess 22, and the insertion member 81 is inserted from the opening side that defines this opening.

  The insertion member 81 is formed as a hollow member, and a portion of the insertion member 81 that is inserted into the fitting space forming portion 82 is formed in a shape having a uniform dimension in the thickness direction. The dimension in the thickness direction of this portion is set to be approximately equal to the inner dimension in the thickness direction of the fitting space forming portion 82 and slightly smaller. As a result, the vicinity of the opening of the fitting space forming portion 82 is inserted from both sides in the thickness direction in both the insertion space 81 and the insertion space 81 in the shallow insertion state. To touch. The fitting space forming portion 82 and the insertion member 81 are arranged with their thickness directions aligned with the vertical direction Z.

  In a state where at least a part of the insertion member 81 is inserted into the fitting space forming portion 82, the fitting space forming portion 82 and the inserting member 81 are screwed from the outer side in the thickness direction than the fitting space forming portion 82. Fixed to each other. Thereby, the fitting space forming part 82 and the insertion member 81 are connected.

  FIG. 10 is a cross-sectional view of a panel member 90 which is another form of the panel member 80. The panel member 90 has a fitting space forming portion 91 instead of the fitting recess 22. The fitting space forming portion 91 is provided on the side opposite to the fitting convex portion 21 so as to be connected to the intermediate base portion 19 and forms an internal space into which the insertion member 81 is fitted.

  As described above, the panel member 80 or the panel member 90 is attached to both end portions in the second direction Y of the assembly panel body 16, and the insertion member 81 is attached to the fitting space forming portions 82 and 91. As a result, both end portions of the assembly panel body 16 in the second direction Y are covered with the insertion member 81.

  According to the present embodiment, the floor expansion joint device 10 includes the first edge member 13, the second edge member 14, and the assembly panel body 16. The first edge member 13 is fixed to one of two casings facing each other with a gap therebetween, and is provided to extend in a second direction Y that is perpendicular to the first direction X and horizontal. The second edge member 14 is fixed to the other of the two casings in parallel with the first edge member 13 and extends in the second direction Y. The assembly panel body 16 has one end in the first direction extending between the first and second edge members 13 and 14 locked to the first edge member 13 so as to be movable in the second direction Y, and the other end in the first direction. The part is supported by the second edge member 14 so as to be movable in the first direction X on the second edge member 14.

  The assembly panel body 16 includes a plurality of connection panel members 18, and the connection panel member 18 includes an intermediate base portion 19, a fitting convex portion 21, and a fitting concave portion 22. The intermediate base 19 is formed extending in the first direction X. The fitting convex portion 21 and the fitting concave portion 22 can be fitted to each other. Further, the fitting convex portion 21 and the fitting concave portion 22 are provided on the intermediate base portion 19 on the opposite sides in the second direction Y with respect to the intermediate base portion 19.

  As a result, even if the two structures are displaced relative to each other due to, for example, an earthquake, and the dimension in the first direction of the gap between the housings 11 and 12 is changed, the relative displacement of the housings 11 and 12 is allowed. The connection between the housings 11 and 12 by the assembly panel body 16 can be maintained. Accordingly, it is possible to prevent the assembly panel body 16 from being damaged. Moreover, it can be set as the assembly panel body 16 from which a width dimension differs by changing the number of the connection panel members 18. Furthermore, compared with the case where the assembly panel body 16 is formed by one member, the material of the assembly panel body 16 can be easily carried in.

  Further, according to the present embodiment, the assembly panel body 16 includes a plurality of types of connection panel members 18, and the plurality of types of connection panel members 18 have different dimensions in the second direction of the intermediate base portion 19. Thus, an assembly panel having an arbitrary width dimension can be easily constructed.

  Further, according to the present embodiment, the panel member 80 or the panel member 90 and the insertion member 81 are attached to both ends in the second direction Y of the assembly panel body 16.

  Thereby, the fitting convex part 21 and the fitting concave part 22 of the connection panel member 18 which open toward the both ends of the 2nd direction Y among the assembly panel bodies 16 can be block | closed.

  Further, according to the present embodiment, the reinforcing portions 20 a and 20 b are formed on the connection panel member 18 constituting the assembly panel body 16. Thereby, the mechanical strength with respect to the load of the assembly panel body 16 can be improved.

DESCRIPTION OF SYMBOLS 10 Floor expansion joint apparatus 11 One housing 12 Other housing 13 1st edge material 14 2nd edge material 16 Assembly panel body 18 Connection panel member 19 Intermediate | middle base part 20a, 20b Reinforcement part 21 Fitting convex part 22 Fitting recessed part 23 Placement part 24 Placement part 50 Hinge part 51 Auxiliary cover body 55 Fixing part 56 Inclination part 57 Rising part 80 Panel member 81 Insertion member 82 Fitting space formation part 90 Panel member 91 Fitting space formation part

Claims (3)

A first edge member that is fixed to one of opposing housings of two structures that are adjacent to each other in a horizontal first direction with a gap and extends in a second direction perpendicular to the first direction on a horizontal plane. When,
A second edge member fixed to the other of the housings in parallel with the first edge member and extending in the second direction;
The one end in the first direction is locked to the first edge member so as to be movable in the second direction, and the other end in the first direction is in the first direction with respect to the second edge member. An assembly panel body that is movably supported on the intermediate base, and is formed integrally with the intermediate base formed to extend in the first direction across the first and second edge members, and one end in the second direction of the intermediate base. A fitting convex portion formed integrally, a fitting concave portion formed integrally with the other end portion in the second direction of the intermediate base portion, and a reinforcing portion rising from the intermediate base portion and extending in the first direction. And an assembly panel body composed of a plurality of connection panel members that are fitted and connected to the fitting concave portion of the one connection panel member and the fitting convex portion of the other connection panel member adjacent to each other. A floor expansion joint device.   2. The expansion joint device for floor according to claim 1, wherein the assembly panel body includes a connection member in which the dimension of the intermediate base in the second direction is different from other connection panel members.   The hinge part which has a hinge piece which can be angularly displaced around the rotation axis parallel to the said 2nd direction is provided in the said 1st direction other end part of the said assembly panel body, The Claim 1 or 2 characterized by the above-mentioned. The expansion joint device for floors as described.

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