A rotatable flat roof skylight

Abstract

A rotatable flat open roof skylight comprises: forming a fan-shaped opening at the roof opening, radially arranging a plurality of steel beams and annular steel beams with the fan-shaped center of the fan-shaped opening as the center, arranging annular or arc-shaped inner and outer ring parapets along the inner and outer edges of the fan-shaped opening, and protruding a fixing seat at the fan-shaped center; at least two movable skylights, the size of which corresponds to the fan-shaped opening; the movable skylight is in a fan shape, comprising a fan-shaped frame and a skylight glass, the fan-shaped frame is provided with a bearing at the fan-shaped center, and is sequentially arranged on a rotating shaft, the rotating shaft is vertically arranged on the fixing seat, forming a ribbed structure; at least two driving devices are arranged on the outer edge of the fan-shaped frame, the driving device comprises a walking wheel and a driving motor; the walking wheel walks along the outer ring parapet. The skylight has natural smoke exhaust and space effect, the skylight can be fully opened, the effective smoke exhaust area reaches 100%, the natural smoke exhaust demand of the space is met, and a mechanical smoke exhaust system does not need to be additionally arranged.

Description

Technical Field

[0001] This invention relates to skylight technology, specifically to a rotatable, openable roof skylight that combines natural smoke extraction with spatial effects. Background Technology

[0002] To enrich the interior space and introduce natural light, public buildings are equipped with roof skylights. To fully utilize the comprehensive efficiency of roof skylights and avoid the impact of mechanical smoke exhaust ducts on the interior space, the roof skylights are used to meet the needs of natural smoke exhaust and ventilation within the limited skylight area, so that the interior space can be connected with nature and create a diversity of interior space.

[0003] Currently, the mainstream skylights used in public buildings can only meet the lighting needs. Due to the limited effective opening area, they cannot meet the natural smoke exhaust area requirements, and mechanical smoke exhaust systems are still required, which affects the indoor space effect. Summary of the Invention

[0004] The purpose of this invention is to design a rotatable, openable roof skylight that combines natural smoke exhaust with spatial effect. The skylight can be fully opened, and the effective smoke exhaust area reaches 100%, thus meeting the natural smoke exhaust needs of the space without the need for an additional mechanical smoke exhaust system.

[0005] To achieve the above objectives, the technical solution of the present invention is as follows:

[0006] A rotatable, planar roof skylight, comprising:

[0007] A fan-shaped opening is formed at the window opening on the roof. Several steel beams and several annular steel beams radiating from the center of the fan-shaped opening are arranged. Annular or arc-shaped inner and outer parapet walls are set along the inner and outer edges of the fan-shaped opening. A fixed seat protrudes at the center of the fan-shaped opening.

[0008] At least two movable skylights, the unfolded size of which corresponds to the fan-shaped opening; the movable skylight is fan-shaped, comprising a fan-shaped frame, the skylight glass being laid on the fan-shaped frame, a bearing being provided at the center of the fan-shaped circle of the fan-shaped frame, and sequentially arranged on a rotating shaft, the rotating shaft being vertically arranged on the fixed base, forming an umbrella-rib structure; at least two driving devices are provided on the outer edge of the fan-shaped frame, the driving device comprising a traveling wheel and its driving motor; the traveling wheel is provided on the bottom surface of the outer edge of the fan-shaped frame through a support column, and travels along the outer parapet wall; a sealing structure corresponding to the inner parapet wall is provided on the bottom surface of the fan-shaped frame.

[0009] Preferably, the upper end of the rotating shaft is provided with a first sealing cover and its inner support frame. The lower end of the side of the cover is bent inward and then bent upward to form a fixing part. A cover plate is laid above the inner end of the fan-shaped frame. The cover plate is inclined upward near the side of the cover to form an inclined surface. A support frame is provided under the inclined surface. The upper end of the inclined surface extends vertically upward beyond the top of the fixing part of the cover and then bends towards the fixing part to form a first fixing part arranged opposite to the fixing part. A sealing strip and a sealing brush are arranged sequentially from bottom to top between the first fixing part and the fixing part.

[0010] Preferably, the drive device on the outer edge of the fan-shaped frame is covered with a second sealing cover and its inner support frame. The lower end of the side of the cover is bent inward and then bent upward to form a second fixing part. A sealing plate is provided on the outer side wall of the corresponding outer ring parapet wall along the circumference. The sealing plate has a U-shaped cross section and is straddling the second fixing part of the second sealing cover. A sealing strip and a sealing brush are arranged sequentially from bottom to top between the second fixing part and the sealing plate.

[0011] Preferably, the side of the fan-shaped frame of the movable skylight adjacent to the fan-shaped frame of another movable skylight is provided with a first overlapping part along the length direction. The first overlapping part has an L-shaped cross-section. Correspondingly, a second overlapping part protrudes from the corner of the side of the adjacent fan-shaped frame of another movable skylight. The second overlapping part has a rectangular cross-section. One side of the first overlapping part covers the second overlapping part, and the outer end of the side of the first overlapping part is bent downward to form a stop part that blocks the gap between the first overlapping part and the second overlapping part. The first and second overlapping parts are respectively composed of a metal plate and its internal support frame. The composition includes: a sealing brush and a sealing strip between the top surface of the second overlapping part and the first overlapping part; a sealing strip between the outer side of the second overlapping part and the inner side of one side of the first overlapping part; a drainage ditch below the first overlapping part and the second overlapping part of the side plate; the drainage ditch has a U-shaped cross-section; one side of the drainage ditch is located on the side of the fan-shaped frame of the second overlapping part; the upper end of the side is engaged or connected to the second overlapping part; the other side of the drainage ditch is located below the bottom surface of the first overlapping part; and a sealing strip is provided on the bottom surface of the first overlapping part, with the lower end of the sealing strip extending into the inner side of the side of the drainage ditch.

[0012] Preferably, the fan-shaped frame of the movable skylight has a first upper sealing structure with an L-shaped cross-section protruding circumferentially from the bottom surface of the inner parapet wall. Correspondingly, the top surface of the inner parapet wall is provided with a first lower sealing structure that matches the upper sealing structure. The first upper and lower sealing structures are respectively composed of a metal plate and its inner support frame. The first upper and lower sealing structures each include a horizontally designed upper sealing surface, a middle sealing surface that is vertically bent downward from one end of the upper sealing surface to form a middle sealing surface, and a lower sealing surface that is obliquely bent outward from one end of the middle sealing surface to form a lower sealing surface. The outer end of the lower sealing surface of the first lower sealing structure is bent downward to cover the upper outer edge of the inner parapet wall. A sealing brush is provided between the upper and lower sealing surfaces of the first upper and lower sealing structures, and a sealing strip is provided between the two middle sealing surfaces.

[0013] Preferably, the fan-shaped frame of the movable skylight has a second upper sealing structure with an L-shaped cross-section protruding circumferentially on one side of the roof wall. Correspondingly, the top surface of the roof wall is provided with a second lower sealing structure that matches the second upper sealing structure. The second upper and lower sealing structures are respectively composed of a metal plate and its internal support frame. The second upper and lower sealing structures each include a horizontally designed upper sealing surface, a middle sealing surface that extends vertically downward from one end of the upper sealing surface, and a lower sealing surface that extends obliquely outward from one end of the middle sealing surface. The outer end of the lower sealing surface of the second lower sealing structure is bent downward to cover the upper outer edge of the roof wall. A sealing brush is provided between the upper and lower sealing surfaces of the second upper and lower sealing structures, and a sealing strip is provided between the two middle sealing surfaces.

[0014] Preferably, the skylight glass is LOW-E insulated tempered laminated glass or rare earth coated insulated tempered glass.

[0015] Preferably, the central angle α of the fan-shaped opening is: 90°≤α≤270°.

[0016] Preferably, the sealing strip is a EPDM waterproof sealing strip or a modified PVC strip.

[0017] Preferably, the metal plate is an aluminum plate or a steel plate; preferably, the aluminum plate is coated with a fluorocarbon layer or anodized, the steel plate is coated with a fluorocarbon layer or is made of stainless steel; and the drainage ditch is made of stainless steel.

[0018] The rotatable skylight of this invention adopts an umbrella-shaped steel frame structure design, combined with sealing structure, water guiding measures and wheels, to enable the skylight to rotate and open within the roof plane, while solving the waterproofing problem of the roof skylight.

[0019] The beneficial effects of this invention are:

[0020] The rotatable skylight described in this invention features an umbrella-shaped steel frame structure, combined with a sealing design, water-guiding measures, and wheels. This allows the skylight to rotate and open fully within the roof plane, achieving 100% effective smoke exhaust area and meeting the natural smoke exhaust requirements of the space. This is particularly suitable for enclosed exhibition halls with surrounding display walls, where natural smoke exhaust can be achieved using the skylight without the need for an additional mechanical smoke exhaust system.

[0021] The rotatable and swing-opening roof skylight of the present invention is driven by a geared motor wheel set to drive the walking wheels, thereby realizing the opening of the skylight. It can ensure the opening speed, meet the opening time limit requirements of the smoke exhaust window, and at the same time achieve uniform opening of the skylight.

[0022] The skylight waterproof structure of this invention is a dual-layer structure that combines water blocking and water diversion. The brush and rubber strip are used for water blocking, while the (stainless steel) drainage ditch and flashing are used for water diversion, which can effectively prevent skylight leakage. Attached Figure Description

[0023] Figure 1 This is a roof layout diagram when fully closed according to an embodiment of the present invention;

[0024] Figure 2 This is a roof layout diagram with the roof fully open according to an embodiment of the present invention;

[0025] Figure 3 This is a diagram showing the roof base layout in an embodiment of the present invention;

[0026] Figure 4 This is a schematic diagram of the roof skylight steel beam arrangement according to an embodiment of the present invention;

[0027] Figure 5 This is a diagram showing the relationship between the steel beam and the parapet wall when the wall is partially open, according to an embodiment of the present invention.

[0028] Figure 6 This is a diagram showing the relationship between the steel beam and the parapet wall when fully open, according to an embodiment of the present invention.

[0029] Figure 7 This is an elevation view of the roof skylight according to an embodiment of the present invention;

[0030] Figure 8 This is a schematic diagram of the roof central axis node according to an embodiment of the present invention;

[0031] Figure 9 This is a schematic diagram of the roof eaves node according to an embodiment of the present invention;

[0032] Figure 10 This is a schematic diagram of the roof overlap node according to an embodiment of the present invention;

[0033] Figure 11 This is a schematic diagram of a parapet wall node in an embodiment of the present invention;

[0034] Figure 12 for Figure 11 Enlarged schematic diagram of part D;

[0035] Figure 13 This is a schematic diagram of the roof end node according to an embodiment of the present invention;

[0036] Figure 14 for Figure 13 Enlarged schematic diagram of part E. Detailed Implementation

[0037] See Figures 1-14 The rotatable skylight of the present invention comprises:

[0038] A fan-shaped opening 100 is formed at the window opening on the roof. Several steel beams 1 and several annular steel beams 11 and 11' centered on the fan-shaped center are arranged radially around the center of the fan-shaped opening 100. Annular or arc-shaped inner and outer parapet walls 2 and 2' are respectively arranged along the inner and outer edges of the fan-shaped opening 100. A fixing seat 3 is protruding at the center of the fan-shaped center.

[0039] At least two movable skylights 4 and 4' are provided, with their unfolded size corresponding to the fan-shaped opening 100. The movable skylight 4 (taking the movable skylight 4 as an example, the same below) is fan-shaped and includes a fan-shaped frame 41. The fan-shaped frame 41 is covered with skylight glass 42. A bearing 43 is provided at the center of the fan-shaped circle of the fan-shaped frame 41 and is sequentially arranged on a rotating shaft 5. The rotating shaft 5 is vertically arranged on the fixed base 3, forming an umbrella-shaped structure. At least two driving devices 6 and 6' are provided on the outer edge of the fan-shaped frame 41. The driving device 6 (taking the driving device 6 as an example, the same below) includes a traveling wheel 61 and its driving motor 62. The traveling wheel 61 is set on the bottom surface of the outer edge of the fan-shaped frame 41 through a support column and travels along the outer parapet wall 2'. A sealing structure that cooperates with the inner parapet wall 2 is provided on the bottom surface of the fan-shaped frame 41.

[0040] See Figure 8 The upper end of the rotating shaft 5 is provided with a first sealing cover 7 and its inner support frame. The lower end of the side of the cover 71 is bent inward and then bent upward to form a fixing part 711. A cover plate 44 is laid above the inner end of the fan-shaped frame 41. The cover plate 44 is inclined upward near the side end of the cover 71 to form an inclined surface 441. A support frame is provided under the inclined surface 441. The upper end of the inclined surface 441 extends vertically upward beyond the top of the fixing part 711 of the cover 71 and then bends towards the fixing part 711 to form a first fixing part 442 arranged opposite to the fixing part 711. A sealing strip 8 and a sealing brush 9 are arranged sequentially from bottom to top between the first fixing part 442 and the fixing part 711.

[0041] See Figure 9 The diagram shown is a schematic representation of the roof eaves node of the present invention. Figure 1 , Figure 7 Part A of the structure; the drive device 6 on the outer edge of the fan-shaped frame 41 is covered by a second sealing cover 10 and its inner support frame. The lower end of the side of the cover 101 is bent inward and then bent upward to form a second fixing part 1011. A sealing plate 21' is provided on the outer side wall of the corresponding outer ring parapet wall 2' along the circumferential direction. The sealing plate 21' has a U-shaped cross section and is straddling the second fixing part 1011 of the second sealing cover 10. A sealing strip 8 and a sealing brush 9 are arranged sequentially from bottom to top between the second fixing part 1011 and the sealing plate 21'.

[0042] See Figure 10 The diagram shown is a schematic of the roof overlap node of the present invention. Figure 1 In section B; the side of the fan-shaped frame 41 of the movable skylight 4 and the fan-shaped frame 41' of another movable skylight 4' are provided with a first overlapping part 45 along the length direction. The first overlapping part 45 has an L-shaped cross section. Correspondingly, the side corner of the fan-shaped frame 41' of the adjacent movable skylight 4' is provided with a second overlapping part 45'. The second overlapping part 45' has a rectangular cross section. One side of the first overlapping part 45 covers the second overlapping part 45'. Moreover, the outer end of the side of the first overlapping part 45 is bent downward to form a stop part 451 that blocks the gap between the first overlapping part 45 and the second overlapping part 45'. The first and second overlapping parts 45 and 45' are respectively composed of metal plates and their inner support frames. A sealing brush 9 and a sealing strip 8 are provided between the top surface of the second overlapping part 45' and the first overlapping part 45. A sealing strip 8 is provided between the outer side of the second overlapping part 45' and the inner side of one side of the first overlapping part 45. A drainage ditch 11 is provided below the first overlapping part 45 and the second overlapping part 45' of the side plate. The drainage ditch 11 has a U-shaped cross-section. One side 111 is provided on the side of the fan-shaped frame 41' on one side of the second overlapping part 45'. The upper end of the side is engaged or connected to the second overlapping part 45'. The other side 112 of the drainage ditch 11 is located below the bottom surface of the first overlapping part 45. A sealing strip 8' is provided on the bottom surface of the first overlapping part 45. The lower end of the sealing strip 8' extends into the inner side of the side of the drainage ditch 11.

[0043] See Figure 11 , Figure 12 The diagram shown is a schematic representation of the parapet wall node of the present invention. Figure 7In section D; the fan-shaped frame 41 of the movable skylight 4 is provided with a first upper sealing structure 46 with an L-shaped cross-section protruding circumferentially from the bottom surface of the inner parapet wall 2, and correspondingly, the top surface of the inner parapet wall 2 is provided with a first lower sealing structure 47 that matches the first upper sealing structure 46; the first upper sealing structure 46 and the first lower sealing structure 47 are respectively composed of a metal plate and its inner support frame; wherein, the first upper sealing structure 46 and the first lower sealing structure 47 respectively include horizontally designed upper sealing surfaces 461 and 471, and a self-sealing surface. One end of seals 461 and 471 is bent downwards vertically to form middle sealing surfaces 462 and 472. From one end of the middle sealing surfaces 462 and 472, they are bent outwards obliquely to form lower sealing surfaces 463 and 473. The outer end of the lower sealing surface 473 of the first lower sealing structure 47 is bent downwards to cover the upper outer edge of the inner parapet wall 2. A sealing brush 9 is provided between the upper sealing surfaces 461 and 471 and the lower sealing surfaces 463 and 473 of the first upper sealing structure 46 and the first lower sealing structure 47. A sealing strip 8 is provided between the two middle sealing surfaces.

[0044] See Figure 13 , Figure 14 The diagram shown is a schematic diagram of the roof end node of the present invention, i.e. Figure 1 In section C; the fan-shaped frame 41 of the movable skylight 4 has a second upper sealing structure 48 with an L-shaped cross-section protruding circumferentially on one side of the roof wall 200, and correspondingly, the top surface of the roof wall 200 is provided with a second lower sealing structure 49 that matches the second upper sealing structure 48; the second upper sealing structure 48 and the second lower sealing structure 49 are respectively composed of a metal plate and its internal support frame; wherein, the second upper sealing structure 48 and the second lower sealing structure 49 respectively include horizontally designed upper sealing surfaces 481 and 491, and from the top... One end of seals 481 and 491 is bent downwards vertically to form middle sealing surfaces 482 and 492. The middle sealing surfaces 482 and 492 are bent outwards obliquely to form lower sealing surfaces 483 and 493. The outer end of the lower sealing surface 493 of the second lower sealing structure 49 is bent downwards to cover the upper outer edge of the roof wall 200. A sealing brush 9 is provided between the upper and lower sealing surfaces 481 and 491 of the second upper sealing structure 48 and the second lower sealing structure 49. A sealing strip 8 is provided between the two middle sealing surfaces 482 and 492.

[0045] Preferably, the skylight glass is LOW-E insulated tempered laminated glass or rare earth coated insulated tempered glass.

[0046] Preferably, the central angle α of the fan-shaped opening is: 90°≤α≤270°.

[0047] Preferably, the sealing strip is a EPDM waterproof sealing strip or a modified PVC strip.

[0048] Preferably, the metal plate is an aluminum plate or a steel plate; preferably, the aluminum plate is coated with a fluorocarbon layer or anodized, the steel plate is coated with a fluorocarbon layer or is made of stainless steel; and the drainage ditch is made of stainless steel.

[0049] In summary, the rotatable skylight described in this invention can effectively increase the effective opening area of ​​the skylight, and is particularly suitable for enclosed exhibition hall spaces with display walls on all sides. It can eliminate the need for mechanical smoke exhaust systems and utilize the skylight to meet natural smoke exhaust requirements.

Claims

1. A rotatable, planar roof skylight, characterized in that, include: A fan-shaped opening is formed at the window opening on the roof. Several steel beams and several annular steel beams radiating from the center of the fan-shaped opening are arranged. Annular or arc-shaped inner and outer parapet walls are respectively arranged along the inner and outer edges of the fan-shaped opening. A fixed seat protrudes at the center of the fan-shaped opening. The central angle α of the fan-shaped opening is: 90°≤α≤270°. At least two movable skylights, the unfolded size of which corresponds to the fan-shaped opening; the movable skylight is fan-shaped, comprising a fan-shaped frame, the skylight glass being laid on the fan-shaped frame, a bearing being provided at the center of the fan-shaped circle of the fan-shaped frame, and sequentially arranged on a rotating shaft, the rotating shaft being vertically arranged on the fixed base, forming an umbrella-rib structure; at least two driving devices are provided on the outer edge of the fan-shaped frame, the driving device comprising a traveling wheel and its driving motor; the traveling wheel is provided on the bottom surface of the outer edge of the fan-shaped frame through a support column, and travels along the outer parapet wall; a sealing structure corresponding to the inner parapet wall is provided on the bottom surface of the fan-shaped frame.

2. The rotatable skylight as described in claim 1, characterized in that, The upper end of the rotating shaft is provided with a first sealing cover and its inner support frame. The lower end of the side of the cover is bent inward and then bent upward to form a fixing part. A cover plate is laid above the inner end of the fan-shaped frame. The cover plate is inclined upward near the side of the cover to form an inclined surface. A support frame is provided under the inclined surface. The upper end of the inclined surface extends vertically upward beyond the top of the fixing part of the cover and then bends towards the fixing part to form a first fixing part arranged opposite to the fixing part. A sealing strip and a sealing brush are arranged sequentially from bottom to top between the first fixing part and the fixing part.

3. The rotatable skylight as described in claim 1, characterized in that, The drive device on the outer edge of the fan-shaped frame is covered with a second sealing cover and its inner support frame. The lower end of the side of the cover is bent inward and then bent upward to form a second fixing part. A sealing plate is provided on the outer wall of the corresponding outer ring parapet wall along the circumference. The sealing plate has a U-shaped cross section and is straddling the second fixing part of the second sealing cover. A sealing strip and a sealing brush are arranged sequentially from bottom to top between the second fixing part and the sealing plate.

4. The rotatable skylight as described in claim 1, characterized in that, The side of the fan-shaped frame of the movable skylight adjacent to the fan-shaped frame of another movable skylight has a first overlapping part along its length. The first overlapping part has an L-shaped cross-section. Correspondingly, a second overlapping part protrudes from the corner of the side of the adjacent fan-shaped frame of the other movable skylight. The second overlapping part has a rectangular cross-section. One side of the first overlapping part covers the second overlapping part, and the outer end of the side of the first overlapping part is bent downward to form a stop that blocks the gap between the first overlapping part and the second overlapping part. The first and second overlapping parts are respectively composed of a metal plate and its internal support frame. A sealing brush and a sealing strip are provided between the top surface of the second overlapping part and the first overlapping part. A sealing strip is provided between the outer side of the second overlapping part and the inner side of one side of the first overlapping part. A drainage ditch is provided below the first overlapping part and the second overlapping part on this side. The drainage ditch has a U-shaped cross-section. One side of the drainage ditch is located on the side of the fan-shaped frame on one side of the second overlapping part. The upper end of the side is engaged or connected to the second overlapping part. The other side of the drainage ditch is located below the bottom surface of the first overlapping part. A sealing strip is provided on the bottom surface of the first overlapping part. The lower end of the sealing strip extends into the inner side of the side of the drainage ditch.

5. The rotatable, casement roof skylight as described in claim 1, characterized in that, The fan-shaped frame of the movable skylight corresponds to the first upper sealing structure with an L-shaped cross-section protruding circumferentially from the bottom surface of the inner parapet wall. Correspondingly, the top surface of the inner parapet wall is provided with a first lower sealing structure that matches the upper sealing structure. The first upper and lower sealing structures are respectively composed of metal plates and their inner supporting frames. The first upper and lower sealing structures respectively include a horizontally designed upper sealing surface, a middle sealing surface that is vertically bent downward from one end of the upper sealing surface to form a middle sealing surface, and a lower sealing surface that is obliquely bent outward from one end of the middle sealing surface to form a lower sealing surface. The outer end of the lower sealing surface of the first lower sealing structure is bent downward to cover the upper outer edge of the inner parapet wall. A sealing brush is provided between the upper and lower sealing surfaces of the first upper and lower sealing structures, and a sealing strip is provided between the two middle sealing surfaces.

6. The rotatable skylight as described in claim 1, characterized in that, The fan-shaped frame of the movable skylight corresponds to a second upper sealing structure with an L-shaped cross-section protruding circumferentially on one side of the roof wall. Correspondingly, a second lower sealing structure matching the second upper sealing structure is provided on the top surface of the roof wall. The second upper and lower sealing structures are respectively composed of metal plates and their internal support frames. The second upper and lower sealing structures each include a horizontally designed upper sealing surface, a middle sealing surface that extends vertically downward from one end of the upper sealing surface, and a lower sealing surface that extends obliquely outward from one end of the middle sealing surface. The outer end of the lower sealing surface of the second lower sealing structure is bent downward to cover the upper outer edge of the roof wall. A sealing brush is provided between the upper and lower sealing surfaces of the second upper and lower sealing structures, and a sealing strip is provided between the two middle sealing surfaces.

7. The rotatable skylight as described in claim 1, characterized in that, The skylight glass is either LOW-E insulated tempered laminated glass or rare-earth coated insulated tempered glass.

8. The rotatable skylight as described in any one of claims 2 to 6, characterized in that, The sealing strip is a waterproof sealing strip made of EPDM rubber or a modified PVC strip.

9. The rotatable skylight as described in any one of claims 4 to 6, characterized in that, The metal plate is an aluminum plate or a steel plate.

10. The rotatable skylight as described in claim 9, characterized in that, The aluminum plate is coated with a fluorocarbon layer or anodized.

11. The rotatable skylight as described in claim 9, characterized in that, The steel plate is coated with a fluorocarbon layer or is made of stainless steel.

12. The rotatable skylight as described in claim 4, characterized in that, The drainage ditch is made of stainless steel plate.

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