JP6030725B1 - Roof joint cover device - Google Patents

Abstract

A roof joint cover device capable of absorbing the durability and shaking motion of a fireproof zone provided in a portion covered with a joint cover device that covers a joint portion between left and right housings. A waterproof cover supporting piece projecting upward and having a joint portion attached to an upper part of a parapet of one of the lower buildings of left and right buildings of different heights provided via a joint portion and both sides When the drainage cover 11 formed with the rainwater intrusion prevention cover 10 and the joint portion 2 are widened, the higher side plate 12 can be moved so that the side plate 12 projecting downward from the tip portion can move so as not to interfere with the drainage cover 11. A joint cover 17 attached to the outer wall of the other building, a fireproof zone 23 provided below the joint cover 17 and on the opposite wall surfaces of the left and right buildings, and both ends thereof below the fireproof zone 23 Are attached to opposing wall surfaces of the left and right buildings. [Selection] Figure 1

Description

  The present invention relates to a roof joint cover device that covers the joints on the roofs of left and right buildings with different heights provided via joints so as to be waterproof.

  A conventional roof joint cover device includes a crank-shaped drain cover formed with a waterproof cover support piece projecting upward on the joint section side attached to the parapet of one of the lower buildings, and the other higher side covering the upper portion of the drain cover. A joint cover having a side plate with a tip projecting downwardly attached to the outer wall of the building, and a waterproof cover device that prevents water from entering inside between the side plate of the joint cover and the draining cover. It is configured.

In addition, in a base-isolated building or the like in which such a roof joint cover device is used, a fireproof zone is fixed between the wall surfaces of the frame in order to improve the fireproof capability.
However, such a refractory zone is very heavy, and if both ends of the refractory zone are simply fixed to the wall surface of the frame with screws, bolts, or other fixtures, the refractory zones may be lost due to deterioration of the fixtures over time. There was a problem in durability.

Japanese Patent No. 4969549 Japanese Patent Laid-Open No. 2001-115566

  In view of the above-described conventional drawbacks, the present invention can improve the durability of a fireproof zone provided in a part covered with a joint cover device that covers the joint part between the left and right housings, and the right and left buildings. An object of the present invention is to provide a roof joint cover device that can absorb the swaying motion even if the swaying in different directions due to earthquakes.

  In order to achieve the above object, the present invention provides a waterproof structure in which the joint part attached to the upper part of the parapet of one of the lower buildings of the left and right buildings of different heights provided through the joint part protrudes upward. A draining cover in which rainwater intrusion prevention covers are formed on the cover support piece and on both sides, and when the joint portion is wide, the side plate protruding downward from the tip so as not to interfere with the draining cover can be moved. A joint cover attached to the outer wall of the other building on the higher side, a fireproof zone provided below the joint cover and on opposite wall surfaces of the left and right buildings, and both ends of the fireproof zone It is composed of at least one fire belt support member that is attached to the opposing wall surfaces of the left and right buildings below and that supports the fire belt, and that can expand and contract in the left-right direction. Backward rotatable, or at least one end and being attached to one of the embodiments of the slidable in the longitudinal direction.

As is clear from the above description, the present invention has the following effects.
(1) In invention of Claim 1, a fireproof zone can be supported from the downward direction by a fireproof zone support member.

Therefore, compared with the case where a fireproof zone is supported only by both ends of a fireproof zone, durability can be improved significantly.
(2) The refractory belt support member can be expanded and contracted in the left-right direction, and both end portions thereof can be rotated in the front-rear direction, or one end portion thereof is slidable. Even if the joint between the buildings becomes narrow (wide), the shaking motion can be absorbed while maintaining the support state of the fireproof zone.
(3) In each of the inventions according to claims 2 and 3, the same effects as the above (1) to (2) can be obtained.
(4) In the invention according to claim 4, the same effects as in the above (1) to (2) can be obtained, and from the side by the end cover, the side rainwater infiltration prevention cover and the outer wall joint cover device. Invasion of rainwater can be prevented.

1 to 10 are explanatory views showing a first embodiment of the present invention.
11 to 14 are explanatory views showing a second embodiment of the present invention.
The top view of the 1st form for carrying out the present invention. Sectional drawing which follows the 2-2 line of FIG. Sectional drawing which follows the 3-3 line of FIG. Explanatory drawing of a draining cover. Explanatory drawing of the attachment state of a joint cover. Explanatory drawing of a refractory belt support member. Sectional drawing in alignment with line 7-7 in FIG. Operation | movement explanatory drawing in the state where the joint part became wide. Operation | movement explanatory drawing in the state where the joint part became narrow. Operation | movement explanatory drawing of the state where the building on either side rocked in the front-back direction which differs. The top view of the 2nd form for carrying out the present invention. Sectional drawing which follows the 12-12 line of FIG. Explanatory drawing of a refractory belt support member. Operation | movement explanatory drawing of the state which the building of this right and left rocked in the front-back direction which differs.

  Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the drawings. In the present invention, the front-rear direction refers to the top-bottom direction in the plan view (up-down direction in FIG. 1), and the left-right direction refers to the left-right direction in the plan view (left-right direction in FIG. 1).

  In the first embodiment for carrying out the present invention shown in FIG. 1 to FIG. 10, reference numeral 1 denotes an embodiment of the present invention that is attached to the rooftop portions of left and right buildings 3 and 4 having different heights provided via joints 2. This is a roof joint device.

  This roof joint cover device 1 has a plurality of mounting brackets 7 fixed at predetermined intervals with a plurality of anchor bolts 6 or the like on the upper part of the parapet 5 on the joint 2 side of one of the lower buildings 3. A waterproof cover support piece 9 that protrudes upward at a joint portion fixed with screws 8 and a rainwater intrusion prevention cover 10 formed on both sides in the front-rear direction, and a substantially crank-shaped drainer formed with an inclined cover portion 11a When the left and right buildings 3 and 4 are swung so that the cover 11 and the joint portion 2 are widened, the side plate 12 projecting downward from the tip of the draining cover 11 does not interfere with the draining cover 11. It is supported on a plurality of joint cover support brackets 14 fixed at predetermined intervals by a plurality of tapping screws 13 or the like on the wall surface 4a of the other higher building 4, and formed on the wall surface 4a. A joint cover 17 inserted into the portion 15 and fixed with a plurality of screws 16, and an inner wall near the upper portion of the side plate 12 of the joint cover 17 with one end pressed by a mounting member 18. The other end is fixed to the waterproof cover support piece 9 of the draining cover 11 with the mounting member 18 while being fixed to the waterproof cover support piece 9 and fixed to the waterproof cover support piece 9. A waterproof cover 22 having a dimension obtained by adding a dimension between the side plate 12 and the waterproof cover support piece 9 to a width dimension of the joint portion 2 supported by a wire 21 which is retractably stored in a reel 20; and the joint cover A fire-resistant zone 23 having both ends fixedly provided on a lower wall surface 4b opposed to a recessed lower wall surface 3b formed on a joint portion side of the one building 3 at a position lower than 17; Below the refractory zone 23 A plurality of concave lower wall surfaces 3b formed on the wall surface 3a of one building and a lower wall surface 4b of the other building 4 at a position opposite to the lower wall surface 3b and supporting the fireproof zone 23 It consists of a refractory belt support member 24.

  As shown in FIG. 4, the draining cover 11 is formed in a substantially crank shape as a whole, and is fixed on a parapet 5 on the roof of one building 3 via a mounting bracket 7. In addition, the draining cover 11 is horizontally long in the front-rear direction of the building, is formed in a substantially rectangular shape in plan view, and has a sloped cover portion 11a whose rear end portion on the joint portion side is higher than its front end portion. A waterproof cover support piece 9 formed in a bent shape on the cover portion 11a, a side plate 12 connected in a hanging manner to a tip portion opposite to the waterproof cover support piece 9, and rainwater formed on both sides in the front-rear direction And an intrusion prevention cover 10.

  The draining cover 7 is fixed by a plurality of screws 8 in this embodiment, but welding or the like is conceivable for the draining cover attachment 18 and any fixing method may be used.

The joint cover 17 is formed in a substantially crank shape as a whole, and a rear end portion 17 a is fixed to a mounting recess 15 formed in the wall surface 4 a of the other building 4 with screws 16. In addition, it forms so that it may become a downward slope from a rear-end part to a front-end | tip part direction so that rainwater may flow to the front-end | tip part 17b, and the groove | channel etc. which flow rainwater toward a front-end | tip part may be formed.
The waterproof cover 22 is formed of a sheet-like rubber or the like, and is provided between the joint cover 17 and the draining cover 11.

  As the refractory zone 23, a known refractory zone is used. The material of the refractory zone 23 is mainly made of ceramic fiber and is formed in a blanket shape, and is formed to have a total length longer than the maximum dimension in which the joint portion is assumed to expand due to an earthquake. The refractory zone 23 is provided in a fixed state at both ends on the lower wall surfaces 3b, 4b facing each other on the joint portion side of the left and right buildings 3, 4 at a position below the joint cover 17.

  The refractory belt support member 24 is provided to support the lower portion of the refractory belt 23. The fire-resistant belt support member 24 includes one beam member 25 having one end portion 25a rotatably attached to the lower wall surface 3b of one building and a lower end wall surface 4b of the other building. The other end portion 26 b is rotatably attached, and is composed of the other beam member 26 connected to the other end portion 25 b of the one beam member via a connecting member 27.

In the present embodiment, the one beam member 25 is formed in a prismatic shape, and one end portion 25a is rotatably attached to the wall surface 3b of one building via an attachment member 28. The other end 25b is slidably inserted into the connecting member 27 and is connected to the other end 26b of the other beam member 26 via the connecting member 27 so as to be extendable and contractible.
In the present embodiment, the connecting member 27 is formed in a square pipe shape, and the one beam member 26 is slidably inserted therein.

  In the present embodiment, the other beam member 26 is formed in a square pipe shape, and one end portion 26a is rotatably attached to the lower wall surface 4b of the other building via an attachment member 28. The connecting member 27 is slidably inserted into the other end of the other beam member 26.

  A stopper 29 is provided inside the other beam member 26 and the connecting member 27 so that the connecting member 27 or one beam member 25 does not fall off, and a roller or a sliding material 30 is provided so that sliding (extension / contraction) can be performed smoothly. It is good to provide. Alternatively, the other end 25b of one beam member 25 and the other end 26b of the other beam member 26 may be directly connected without using the connecting member 27.

  When the left and right buildings 3 and 4 are swung in different left and right directions due to the earthquake, and the joint portion 2 is swung so as to widen, the space between the joint cover 17 and the draining cover 11 is widened as shown in FIG. Further, since the refractory zone 23 has a total length equal to or larger than the maximum dimension in which the joint portion spreads, the refractory zone support member 24 absorbs the shaking motion due to the earthquake without applying tension or breakage to both end portions of the refractory zone 23. Elongates and absorbs the shaking movement caused by the earthquake, and supports the refractory zone 23 from below.

  When the left and right buildings 3 and 4 are swung in different left and right directions due to the earthquake and the joint portion 2 is swung so as to become narrow, the distance between the joint cover 17 and the draining cover 11 is narrowed as shown in FIG. In addition, the fireproof zone 23 is contracted in a folded state to absorb the shaking motion caused by the earthquake, and the fireproof zone support member 24 absorbs the shaking motion due to the earthquake and supports the fireproof zone 23 from below.

  When the left and right buildings 3 and 4 are swung in different front and rear directions due to the earthquake, as shown in FIG. 10, the fireproof zone 23 has a total length greater than the maximum dimension in which the joints spread. The refractory belt support member 24 rotates in the front-rear direction with the mounting member 28 as a fulcrum and absorbs the swaying motion due to the earthquake by extending the mounting member 28 as a fulcrum. The refractory zone 23 is supported from below.

  In addition, in this Embodiment, although the form using a waterproof cover was demonstrated, this invention is not restricted to this, It is not necessary to use a waterproof cover.

[Different forms for carrying out the invention]
Next, different modes for carrying out the present invention shown in FIGS. 11 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.

  In the second embodiment for carrying out the present invention shown in FIG. 11 to FIG. 14, the main difference from the first embodiment for carrying out the present invention is that the lower wall surface 3b of one building 3 has a longitudinal direction. The guide rail 31 is mounted on the roof, and a plurality of rollers 32 are provided at one end thereof, and the refractory belt support member 24A is used so that the guide rail 31 can be slid in the front-rear direction. Even in the joint cover device 1A, the same operation and effect as the first embodiment for carrying out the present invention can be obtained.

The refractory belt support member 24A is formed in one rectangular member in a plan view rectangular shape with a roller 32 provided on the bottom surface of one end portion 25a and a rectangular pipe in a plan view rectangular shape, and the one end portion 26a is formed in the other building. The other beam member 26A is fixed to the lower wall surface 4b by an attachment member 28A, and one beam member 25A is slidably inserted into the other end portion 26b.
When the left and right buildings 3 and 4 swing in different front and rear directions due to the earthquake, as shown in FIG. 14, the fire-resistant belt support member 24 </ b> A has one box-shaped beam member 25 </ b> A provided with a roller 32 as the guide rail 31. It slides up and down in the forward and backward direction to absorb the shaking motion caused by the earthquake and supports the fireproof zone 23 from below.

  In addition, the fireproof belt support member is attached to either end as long as both ends can be pivoted in the front-rear direction or at least one end is slidable in the front-rear direction, and can be expanded and contracted in the left-right direction. For example, it is conceivable to use a pantograph-like member having both ends rotatably attached thereto.

  INDUSTRIAL APPLICABILITY The present invention is used in an industry for manufacturing a roof joint cover device that covers joints of roof portions of left and right buildings.

1, 1A: rooftop joint cover device,
2: joints, 3: one building,
4: The other building, 5: Parapet
6: Anchor bolt, 7: Mounting bracket,
8: Screw, 9: Waterproof cover support piece,
10: Rainwater infiltration prevention cover, 11: Drainage cover,
12: Side plate, 13: Tapping screw,
14: Joint cover support bracket, 15: Recess,
16: Screw, 17: Joint cover,
18: mounting member, 19: screw,
20: reel, 21: wire,
22: Waterproof cover, 23: Fireproof zone,
24: Fire-resistant belt support member, 25, 25A: One beam member,
26, 26A: the other beam member, 27: a connecting member,
28: Mounting member, 29: Stopper,
30: sliding material, 31: guide rail,
32: Roller.

Claims (4)

A waterproof cover support piece projecting upward at the joint part attached to the upper part of the parapet of one of the lower buildings of the left and right buildings with different heights provided through the joint part, and rainwater infiltration prevention covers on both sides When the drainage cover is formed and the joint is widened, it is attached to the outer wall of the other higher building so that the side plate protruding downward from the front end can move so as not to interfere with the drainage cover. And the fireproof zone provided on the opposing wall surfaces of the left and right buildings below the joint cover, and both end portions thereof on the opposing wall surfaces of the left and right buildings below the fireproof zone. And at least one refractory belt support member that can be expanded and contracted in the left-right direction to support the refractory belt, and the refractory belt support member is capable of rotating both ends in the front-rear direction, or at least Roof for joint cover and wherein the end portion is attached to one of the embodiments of the slidable in the longitudinal direction. The refractory belt support member has one beam member whose one end is rotatably or slidably attached to the wall surface of any building in the front-rear direction, and one end opposite the wall surface to which the one beam member is attached. The other beam member is attached to the wall surface to be rotatable or slidable in the front-rear direction, and the other end portion of the other beam member is connected to the other end portion of the one beam member directly or via a connecting member. The roof joint cover device according to claim 1. The fireproof belt support member has one end portion attached to a wall surface of any building so as to be rotatable or slidable in the front-rear direction, and the other end portion attached to a wall surface facing the pantograph so as to be rotatable or slidable in the front-rear direction. The roof joint device according to claim 1, wherein the roof joint device is a shaped member. An outer wall joint cover device having both ends attached to the wall surfaces of the left and right buildings near both ends of the joint cover, and an end attached to both ends of the joint cover and having a distal end portion that can rotate outward. The roof joint joint device according to any one of claims 1 to 3, further comprising a section cover and a side rainwater intrusion prevention cover fixed to the entire outer end of the end cover. .

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