JP2019138111A - Joint device for floor - Google Patents

Abstract

To provide a joint device for a floor comprising a cover plate support mechanism which can be installed at low cost and which can securely follow swing of left and right skeletons.SOLUTION: A joint device for a floor is constituted of: a joint plate attached to one skeleton and the other skeleton; a cover plate one end of which is fixed to the other skeleton and the other end of which is supported by the joint plate; a cover plate support mechanism supporting a bottom face of the cover plate; and a guiding member guiding the joint plate. The joint plate comprises: a deformable frame-shaped joint plate support member; a plurality of joint plate bodies which are pivotally supported to the joint plate support member by a pivotally supporting pin and whose part is overlapped with each other; and a guided portion guided by the guiding member. The cover plate support mechanism comprises: cover plate support bodies which are disposed with a prescribed interval between the other end portion of the joint plate and an end of a joint plate support portion and which support load applied on the cover plate; and a contractive and expansive member connecting the cover plate support bodies so as to contract and expand.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a floor joint device for closing joint portions between casings provided via joint portions.

  Conventionally, as a floor joint device for closing a joint portion between floor surfaces using a plurality of joint plates, a floor surface on the joint portion side of one of the left and right floor housings provided via the joint portion is used. A joint plate slide support recess formed on the joint plate, a plurality of guide rails arranged at predetermined intervals so that the joint plate slide support recess can be guided in the left-right direction, and a central portion in the left-right direction of the joint plate slide support recess The front ends of the plurality of guide rails are slidably supported at the center in the left-right direction, and the rear end is on the floor surface of the other floor frame on the joint portion side. A floor joint plate that is mounted so as to be substantially flush with each other, a cover plate that covers the joint plate slide support recess so that the tip of the floor joint plate can slide, and the floor joint plate A plurality of supports for supporting a load applied to the cover plate, arranged at a predetermined interval on the guide rail between the tip end portion of the guide plate and the joint portion side end portion of the joint plate slide support recess, A cover plate support member comprising a telescopic member, one end of which is connected to the support plate in an extendable manner, one end of which is attached to the tip of the floor joint plate, and the other end of which is attached to the opposite joint portion of the joint plate slide support recess; There is known a “floor joint device” characterized in that it is configured by (for example, Patent Document 1).

However, the floor joint device comprises a floor joint plate composed of a support arm that engages with a plurality of guide rails, and a floor panel provided on the support arm, and guides the plurality of support arms. For this reason, it is necessary to provide a plurality of guide rails in the joint plate slide support recess, and there is a problem that the cost increases.
In addition, since a plurality of guide rails are provided, the movement of the cover plate support member is limited when the left and right housings swing in different front and rear directions, and the left and right housings cannot follow the swinging motion. There was a problem.

JP 2014-118789 A

  An object of the present invention is to provide a floor joint device including a cover plate support mechanism that can be installed at low cost and can reliably follow the swinging motion of left and right housings in view of the above-described conventional problems.

The above and other objects and novel features of the present invention will become more fully apparent when the following description is read in conjunction with the accompanying drawings.
However, the drawings are for explanation only and do not limit the technical scope of the present invention.

  In order to achieve the above object, the floor joint device of the present invention is a floor joint device for closing a joint portion between one and the other housing, and the joint plate mounting portion provided on the one housing, A recessed joint plate support provided in the other housing, a joint plate having one end attached to the joint plate attachment and the other end supported by the joint plate support; A cover plate having one end fixed to the other housing and the other end supported by the joint plate, a cover plate support mechanism for supporting the bottom surface of the cover plate, and a guide member for guiding the joint plate, The joint plate has one end attached to the joint plate mounting part, the other end supported by the joint plate support part, and is deformable. A frame-shaped joint plate support member, a plurality of joint plate bodies pivotally supported by pivot pins on the joint plate support member and partially overlapping each other, and a guided portion guided by the guide member The cover plate support mechanism is disposed at a predetermined interval between the other end of the joint plate and the end of the joint plate support, and a cover plate support for supporting a load applied to the cover plate; The cover plate support is composed of an expansion / contraction member that can be extended and contracted. When one case and the left and right cases swing in different longitudinal directions during an earthquake, the joint plate support member deforms and follows the shaking movement caused by the earthquake. It is characterized by doing.

  The guide member is provided so as to face in the front-rear direction in the vicinity of the joint portion side end of the joint plate support portion, and the guided portion is a front-rear side surface of the joint plate support member. The floor joint device according to claim 1.

The guide member is formed in a pin shape protruding upward near an end portion of the joint plate support portion on the joint portion side, and the guided portion is a rail-shaped member provided on the joint plate support member. It is a member and is engaged with the pin-shaped guide member.
The frame-shaped joint plate support member is characterized in that a reinforcing member is pivotally provided at an inner portion thereof.

  The frame-shaped joint plate support member is supported by a joint plate support portion via a sliding member.

As is clear from the above description, the present invention has the following effects.
(1) In the first aspect of the present invention, the joint plate is constituted by the deformable frame-shaped joint plate support member and the joint plate body, so that a plurality of guide rails are not provided on the joint plate support portion. Therefore, the number of parts can be reduced, and installation can be performed at low cost.
(2) Further, the cover plate support mechanism is provided in the joint plate support portion, and since the joint plate support portion is not provided with a plurality of guide rails or the like, the cover plate support mechanism is provided in the joint plate support portion. You can move freely on the department.
Therefore, when the left and right housings swing in different front and rear directions, the cover plate support mechanism can follow the swinging motion of the left and right housings without being restricted by the guide rails or the like.
(3) For each of the inventions according to claims 2 and 3, the same effects as in the above (1) to (2) can be obtained, and the shaking motion of the earthquake can be absorbed by rational means.
(4) In the invention according to claim 4 as well, the same effects as in the above (1) to (3) can be obtained, and the strength of the joint plate support member can be improved.
(5) In the invention according to claim 5, the same effects as in the above (1) to (4) can be obtained, and the joint plate can be slid smoothly.

1 to 9 are explanatory views showing a first embodiment of the present invention.
10 to 14 are explanatory diagrams showing a second embodiment of the present invention.
The top view of the joint device for floors of a 1st embodiment. Sectional drawing which follows the 2-2 line of FIG. Sectional drawing which follows the 3-3 line of FIG. Explanatory drawing of a joint plate. Explanatory drawing of a joint plate support member. Explanatory drawing of a joint plate main body. The operation explanatory view where the joint part became narrow by the earthquake. The operation explanatory view where the joint became wide by the earthquake. Explanatory drawing of operation when the left and right swaying bodies swing in different longitudinal directions in an earthquake. The top view of the joint device for floors of a 2nd embodiment. Sectional drawing which follows the 11-11 line of FIG. Sectional drawing which follows the 12-12 line of FIG. Explanatory drawing of a joint plate main body. Explanatory drawing of operation when the left and right swaying bodies swing in different longitudinal directions in an earthquake.

Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the drawings.
In the first embodiment for carrying out the present invention shown in FIGS. 1 to 9, reference numeral 1 denotes a floor joint device installed between one housing 3 and the other housing 4 provided via a joint portion 2. is there.
The left-right direction is the left-right direction in FIG. 1 (reference sign direction), the front-rear direction is the up-down direction in FIG. 1 (reference sign direction), and the up-down direction is the up-down direction in the figure. .

  Further, in the present invention, the frame means a building on which joint plates such as buildings, roads, slabs, elevator shafts and the like can be installed. It also includes a passage that can be accessed.

  As shown in FIGS. 1 to 3, the floor joint device 1 includes a joint plate mounting portion 5 provided in one housing 3 and a recessed joint plate support portion 6 provided in the other housing 4. One end portion 7a is attached to the joint plate attaching portion 5, and the other end portion 7b is supported on the joint plate supporting portion 6 in a substantially horizontal state, and the other casing 4 One end portion 8a is fixed to the joint plate 7 and the other end portion 8b is supported on the upper surface of the joint plate 7. The cover plate support mechanism 9 supports the bottom surface of the cover plate 8, and the joint plate 7 It is comprised with the roller-shaped guide member 20 which guides.

In this embodiment, the joint plate mounting portion 5 is formed by a rail-shaped metal fitting that is fixed to the wall surface 3a on the joint portion 2 side of the one housing 3 and extends in the front-rear direction. For example, as shown in FIG. 2, the joint plate mounting portion 5 is formed in an approximately angle shape when viewed from the front, and when the joint plate 7 is attached, the upper surface of the joint plate mounting portion 5 and the one housing 3 Are fixed to the wall surface 3a so that the floor surface is substantially flush.
The joint plate mounting portion 5 may be formed directly on one of the housings 3 without using such a metal fitting.

  The joint plate support portion 6 is provided in a recessed shape on the joint portion side of the other casing 4, and the other end portion 7 b of the joint plate 7 is supported by the upper surface of the joint plate support portion 6. The dimension of the joint plate support 6 in the front-rear direction is formed to be larger than the dimension in the front-rear direction of the joint plate 7 so that the end of the joint plate 7 does not collide when the joint plate 7 is deformed. Yes. A reinforcing plate such as a metal plate may be fixed to the joint plate support 6.

  The joint plate 7 has one end portion attached to the joint plate attachment portion 5 with a pin, a bolt or the like, the other end portion supported by the joint plate support portion 6 and a deformable frame-like joint plate support member 10. And a plurality of joint plate main bodies 12 which are pivotally supported by the joint plate support member 10 with pivot pins 11 and partially overlap each other.

  The joint plate support member 10 is a member in which a bar member 10a is framed in a substantially rectangular shape in plan view, and a connecting portion between the bar members 10a is pivotally supported by a pivot pin. The pivot pin 11 is a fulcrum. In addition, the bar member 10a can be rotated and deformed. For example, when a force is applied to a portion other than the fixed bar member 10a in a state where one side of the bar member 10a is fixed, the other bar member 10a rotates about the pivot pin and the joint plate support member 10 is parallel. Deforms to a quadrilateral shape.

In this embodiment, the bar member 10a has a prismatic shape. However, the bar member 10a may be, for example, a square tube, or a bar member 10a having a shape such as H steel.
In the present embodiment, as shown in FIG. 5, the side surface in the front-rear direction of the joint plate support member 10 is a guided portion 21, and the guided portion 21 is in constant contact with the roller-shaped guide member 20. Yes.

  One side of the frame-shaped joint plate support member 10 is fixedly attached to the joint plate mounting portion 5 with a pin or a bolt, while the other side can be rotated about the pivot pin 11 as a fulcrum. It is ready for use.

  In the present embodiment, a plurality of bar-shaped reinforcing members 13 extending in the left-right direction are provided in an inner portion of the joint plate support member 10. Both ends of the reinforcing member 13 are pivotally supported on the bar member 10a by pivot pins 11 so that the reinforcing member 13 does not hinder the deformation of the joint plate support member 10.

Further, a sliding member 14 such as a roller is provided on the bottom surface of the joint plate support member 10 in the vicinity of the end (other end) on the other housing 4 side. By providing the sliding member 14, the joint plate support member 10 can be smoothly moved in the left-right direction and the front-rear direction.
In the present embodiment, the joint plate main body 12 is formed with a thin plate-like stepped portion 12a (for example, a substantially crank shape in front view) in the vicinity of the left and right end portions in front view as shown in FIG. A part of the stepped portion 12a is provided so as to partially overlap with another adjacent joint plate body 12.

  Further, as shown in FIG. 1 and the like, one joint plate body 12 is provided in a pivoted state across the bar member 10a in the front-rear direction and the plurality of reinforcing members 13. By providing the joint plate body 12 in this way, when the left and right housings 3 and 4 are swung in different front and rear directions due to an earthquake, the joint plate body 12 itself is not inclined as shown in FIG. 9 (substantially parallel to the housing). The state of maintaining the state) can absorb the shaking motion.

  The cover plate 8 is a metal plate having a square shape in plan view, one end portion 8a is fixed to the floor surface of the other casing 4 with screws or the like, and the other end portion 8b is supported on the upper surface of the joint plate 7. It is provided so as to cover the joint plate support 6. In this embodiment, the other end portion 8b of the cover plate 8 is formed to have a length that is substantially flush with the joint portion side wall surface 4a of the other casing 4.

  In the present embodiment, the cover plate 8 is directly fixed to the floor surface of the other casing 4, but one end portion 8 a of the cover plate 8 may be fixed via a mounting bracket or the like.

  The cover plate support mechanism 9 is disposed between the other end portion 7b of the joint plate 7 and the end portion 6a of the joint plate support portion 6 at a predetermined interval, and a plurality of the cover plate support mechanisms 9 for supporting the load applied to the cover plate. In the embodiment, the cover plate support 15 is composed of two cover plate supports 15, the other end portion 7b of the joint plate and the extensible member 16 that connects the end portion 6a of the joint plate support portion 6 so as to be extendable. ing. Although only one cover plate support 15 may be provided depending on the length of the cover plate, it is desirable to provide two or more cover plate supports 15.

  The cover plate support 15 includes a support body 17 and a roller 18 that protrudes above and below the support body 17.

  In the present embodiment, the elastic member 16 is a coil spring, and the other end 7b of the joint plate and one cover plate support 15, one cover plate support 15, the other cover plate support 15 and the other. The cover plate support 15 and the end portion 6a of the joint plate support 6 are respectively provided.

  In the present embodiment, a plurality of the cover plate support 15 and the elastic members 16 are provided in the front-rear direction to constitute the cover plate support mechanism 9. By the way, the cover plate support 15 in the front-rear direction may be connected by a connecting member or the like.

  The guide member 20 is a pair of roller-like members provided so as to face the side surface 6b in the front-rear direction near the end portion of the joint plate support 6 on the joint portion 2 side. In this embodiment, the guide member 20 is always a joint plate. It contacts the side surface (guided portion 21) of the support member 10 in the front-rear direction. The guide member 20 is not limited to the vicinity of the end portion on the joint portion 2 side of the joint plate support portion 6, and may be provided on the side surface 6 b on the other housing 4 side. In this case, in order to prevent the joint plate 7 and the like from colliding with the side surface 6b when the left and right housings 3 and 4 are swung in different front and rear directions due to the earthquake, the joint plate 2 on the joint plate portion 2 side is prevented. It is desirable to provide a notch in the side surface 6b near the end.

  In the present embodiment, cover devices 19 are provided on the left and right housings 3 and 4. As the cover device 19, any device can be used as long as it can follow the shaking motion of the left and right housings 3 and 4 due to the earthquake and can prevent the joint plate 7 from falling from the front-rear direction to the joint portion 2. . For example, a known wall joint device or a telescopic handrail can be used.

  When the left and right housings 3 and 4 are swung in the left and right direction and the joint portion 2 is narrowed by the earthquake, the joint plate 7 slides to the other housing 4 side as shown in FIG. 7 and absorbs the shaking motion due to the earthquake. At this time, in the cover plate support mechanism 9, the expansion / contraction member 16 is contracted, and the interval between the cover plate supports 15 is narrowed to absorb the shaking motion due to the earthquake.

  When the chassis 3, 4 sways in the left-right direction and the joint part 2 becomes wide as shown in FIG. 8, the joint plate 7 slides in a direction away from the other chassis 4, and absorbs the swaying movement caused by the earthquake. At this time, in the cover plate support mechanism 9, the elastic member 16 extends, and the interval between the cover plate supports 15 is widened to absorb the shaking motion due to the earthquake.

  When the frames 3 and 4 are swung in different front and rear directions due to the earthquake, the guided portion 21 of the joint plate support member 10 is pressed in the front and rear direction by the guide member 20 so that the joint plate support member 10 is substantially parallel in plan view. Deforms to a quadrilateral shape. That is, the joint plate support member 10 is deformed into a substantially parallelogram in plan view with the guide member 20 as a fulcrum, and the joint plate main body 12 is also slid in the front-rear direction in a plan view step with this deformation, and absorbs the shaking motion. . At this time, the size of the joint plate support member 10 in the left-right direction is slightly reduced, but the change in the size in the left-right direction is absorbed by the increase in the overlapping width of the stepped portion 12a of the joint plate main body 12.

  The cover plate support mechanism 9 also follows the movement of the joint plate 7 and slides in an oblique direction. At this time, since a rail or the like is not installed on the joint plate support 6, the cover plate support mechanism 9 can move freely and can follow the movement of the joint plate 7 smoothly.

  When the shaking movement due to the earthquake ends, the joint plate support member 10 is pressed by the guide member 20 and deformed into a substantially rectangular shape in plan view, and automatically returns to the normal state.

[Different forms for carrying out the invention]
Next, different modes for carrying out the present invention shown in FIGS. 10 to 14 will be described. In the description of the different embodiments for carrying out the present invention, the same components as those in the first embodiment for carrying out the present invention are denoted by the same reference numerals, and redundant description is omitted.
The second embodiment for carrying out the present invention shown in FIGS. 10 to 14 is mainly different from the first embodiment for carrying out the present invention in that the joint is formed by joining two plates. A plate body 12A and a joint plate support member 10A including a rail-shaped guided portion 21A extending in the left-right direction are used as a joint plate 7A. The joint plate 2A protrudes upward in the vicinity of the joint portion 2 side end. For example, a pin joint member 20A that engages with the guided portion 21A is the same as the first embodiment for carrying out the present invention even in such a floor joint device 1A. An effect can be obtained.

  The guided portion 21A may be pivotally supported on the joint plate support member 10 by a pivot pin 11 like the reinforcing member 13 and the bar member 10a, for example, and the side surface of the bar member 10a and the reinforcing member 13 may be supported. It may be fixed to. When fixing to the side surface of the bar member 10a or the reinforcing member 13, it fixes so that rotation of the bar member 10a etc. may not be prevented. In the present embodiment, the guided portion 21A is fixed to the side surface of the reinforcing member 13 at the center.

  In the present embodiment, when the casings 3 and 4 are swung in different front and rear directions due to an earthquake, the rail-shaped guided portion 21A is pressed in the front and rear direction by the guide member 20A, whereby the joint plate support member 10 is guided by the guide member 20A. It is transformed into a substantially parallelogram shape in plan view with the fulcrum as a fulcrum to absorb the shaking movement caused by the earthquake.

  In the embodiment of the present invention, the reinforcing plate is used as the joint plate supporting member. However, the reinforcing member is not necessarily provided, and the sliding member may not be provided in the joint plate supporting member.

  As for the sliding member, not only the roller but also a bearing or a plate-like sliding material may be provided on the joint plate support member, and the joint plate support member is provided via the bearing and the like provided on the joint plate support member. May be supported.

  For example, the side wall itself of the joint plate support part may be used as a guide member. When the left and right housings swing in different front and rear directions, the side wall presses the side surface of the bar member that is the guided part, and the joint plate support member is flat. The guide is guided so as to have a substantially parallelogram shape.

  Also, a pin-shaped guided portion projecting downward is provided on the outer surface of one of the front and rear bar members (bar member extending in the left-right direction), and extends in the left-right direction to engage with the guided portion. An existing groove or rail-shaped guide member may be provided on the joint plate support portion. By providing the grooves or guide members in this way, the number of rail members and the like can be reduced, and the movement of the cover plate support mechanism can be prevented from being hindered.

  As described above, the floor joint device of the present invention is a floor joint device that closes the joint portion between one and the other housing, and the joint plate mounting portion provided on the one housing, A recess-shaped joint plate support provided in the other housing, a joint plate having one end attached to the joint plate attachment and the other end supported by the joint plate support; A cover plate having one end fixed to the other housing and the other end supported by the joint plate, a cover plate support mechanism for supporting the bottom surface of the cover plate, and a guide member for guiding the joint plate The joint plate is configured such that one end of the joint plate is attached to the joint plate mounting portion and the other end is supported by the joint plate support portion and is deformable. A frame-shaped joint plate support member, a plurality of joint plate bodies pivotally supported by pivot joint pins on the joint plate support member and partially overlapping each other, and a guided portion guided by the guide member; Further, the cover plate support mechanism is disposed at a predetermined interval between the other end of the joint plate and the end of the joint plate support, and a cover plate support that supports a load applied to the cover plate; The cover plate support is composed of an expansion / contraction member that can be expanded and contracted. When one case and the left and right cases swing in different longitudinal directions during an earthquake, the joint plate support member deforms and follows the shaking movement caused by the earthquake. It is characterized by that.

  The present invention is used in the industry for manufacturing floor joint devices.

1, 1A: Joint device for floor, 2: Joint part,
3: one housing, 4: the other housing,
5: Joint plate mounting part, 6: Joint plate support part,
7, 7A: joint plate, 8: cover plate,
9: Cover plate support mechanism, 10: Joint plate support member,
11: Pivot pin, 12, 12A: Joint plate body,
13: reinforcement member, 14: sliding member,
15: Cover plate support, 16: Stretchable member,
17: Support body, 18: Roller,
19: Cover device 20, 20A: Guide member,
21, 21A: Guided portion.

Claims (5)

A floor joint device for closing a joint portion between one and the other housing, a joint plate mounting portion provided on the one housing, and a recessed joint plate support portion provided on the other housing, The one end portion is attached to the joint plate mounting portion, the other end portion is fixed to the joint plate supporting the other end portion on the joint plate supporting portion, and the other end portion. Is constituted by a cover plate supported by the joint plate, a cover plate support mechanism for supporting the bottom surface of the cover plate, and a guide member for guiding the joint plate, and one end of the joint plate is the joint plate mounting portion. And a deformable frame-shaped joint plate support member supported at the other end portion by the joint plate support section and the joint plate support member. The joint plate includes a plurality of joint plate bodies pivotally supported by pivot pins and partially overlapping each other, and a guided portion guided by the guide member, and the cover plate support mechanism is provided on the joint plate. A cover plate support that is disposed at a predetermined interval between the other end and the end of the joint plate support, and that supports a load applied to the cover plate, and an elastic member that connects the cover plate support in an extendable manner. The joint device for floors that follows the shaking movement caused by the earthquake when the joint plate support member is deformed when one housing and the left and right housings swing in different longitudinal directions during an earthquake. The guide member is provided so as to oppose a joint portion side end portion of a side wall of the joint plate support portion, and the guided portion is a side surface in the front-rear direction of the joint plate support member. Item 10. The joint device for a floor according to Item 1. The guide member is a pin-shaped member that protrudes upward in the vicinity of the joint portion side end portion of the joint plate support portion, and the guided portion engages with the pin-shaped guide member. The floor joint device according to claim 1, wherein the floor joint device is a rail-shaped member provided on the support member. The floor joint device according to any one of claims 1 to 3, wherein the frame-shaped joint plate support member is provided with a reinforcing member in a pivoted state at an inner portion thereof. The floor joint device according to any one of claims 1 to 4, wherein the frame-shaped joint plate support member is supported by a joint plate support portion via a sliding member.

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