JP5827351B2 - Split roofing material - Google Patents

Description

  The present invention relates to a split roof material that constitutes a roof of a building, and more particularly to a split roof material that can be easily assembled on site when a new or existing roof is remodeled.

  Conventionally, the roof of a building has a structure in which the roof plate is placed on the top of the building at the site, and the roof plate is pasted thereon, and roof finishing materials such as tiles are laid on the roof plate. And assembled. For this reason, there are many on-site work processes, and the work period is long, so work efficiency is poor.

  Therefore, in recent years, a plurality of roof units that have been completed from the construction of a structure that can be transported by a general vehicle (for example, a truck) to the construction of the roof surface material in a factory have been produced in advance. A roof structure has been proposed in which a roof can be assembled efficiently and easily by assembling an upper part of a main body of a building (see Patent Document 1).

JP 2004-92134 A

  However, since the roof unit of the above-mentioned patent document 1 is integrated and divided in a direction perpendicular to the ridge, the size of the roof unit that can be transported to the site by a general vehicle (such as a truck) is limited. However, there is a problem that it can be used only for very small buildings (for example, small unit houses).

  Moreover, since the roof unit divided into a plurality of sections in the vertical direction with the ridge is joined via the roof panel to form the entire roof, it is necessary to perform waterproofing on the joint between the roof unit and the roof panel. As this waterproofing treatment, a method of filling a sealing material in the joint part, a method of covering the joint part with a plate-like material having a waterproof performance wider than the width of the joint part, or the most reliable construction method, There is a method of constructing a waterproof surface material covering the entire roof unit that covers the entire roof. However, if time is required for local construction related to waterproofing, shortening of the local construction period, which is an advantage of factory production, is greatly impaired. There was a fear.

  In view of such a current situation, the present invention is a building unit that is produced by dividing a roof unit into a plurality of parts at a factory and can be easily assembled on the top of a building at the site, and does not need to be waterproofed. It aims at providing the split type roofing material which can aim at shortening of the construction period of a roof.

  In order to solve the above-mentioned problem, the invention according to claim 1 is a split-type roof material that constitutes one roof by a combination of a plurality of roof units, wherein the roof unit is assembled by a shaft assembly material. And a roof plate placed on the upper portion of the structure and inclined at a predetermined slope, and the height of the roof plate of the roof unit disposed on the upper portion is disposed adjacent to the lower portion. The roof unit of the roof unit is configured to be higher than the height of the roof plate by a predetermined height, and the lower end of the roof unit of the roof unit has the same slope as the slope of the roof plate. A division characterized by forming an extension part extending a certain length, wherein the extension part of the roof plate arranged in the upper part and the upper end part of the surface of the roof board arranged in the lower part overlap each other It was a type roofing material.

Further , the top end of the surface of the roof slab disposed in the lower part is vertically raised to provide a first water return part, and the upper end of the first water return part is the top of the roof slab disposed in the upper part. It is characterized by having a structure in contact with the lower surface of the extension part.

The invention according to claim 2 is the split-type roof material according to claim 1 , wherein a second water return portion is provided in the vicinity of the lower end of the bottom surface of the extended portion of the roof plate arranged on the upper portion, The lower end of the second water return portion has a structure that abuts on the surface of the roof plate of the roof unit disposed in the lower part.

The invention according to claim 3 is the divided roof material according to claim 1 or 2 , wherein the roof unit is divided into a plurality of types of roof units including a ridge unit, a flat unit, and an eaves unit. It is characterized by having a configuration.

  The invention according to claim 1 is configured such that the height of the roof plate of the roof unit disposed at the upper portion is higher than the height of the roof plate of the roof unit disposed adjacently at the lower portion by a predetermined height. Furthermore, the lower part of the roof plate of the roof unit arranged in the upper part is formed with an extension part in which the lower end part is extended by a certain length with the same gradient as the roof board, and the roof is arranged in the upper part. It is set as the structure where the said extension part of a board and the surface upper end part of the roof board arrange | positioned at the lower part overlap. For this reason, it is possible to prevent rainwater from entering from the joint portion of the roof unit without performing a special waterproof treatment on the joint portion of each roof unit, and it is not necessary to perform waterproof treatment on the roof, and the construction period of the roof Can be shortened.

Moreover , the upper end part of the surface of the roof board arrange | positioned at the lower part is stood | started up vertically, the 1st water return part is provided, and the upper end of the 1st water return part is the lower surface of the extension part of the roof board arrange | positioned at the upper part The structure abuts on the surface. For this reason, the connection part of each roof unit will be closed by the 1st water return part standingly arranged by the roof board arrange | positioned at the lower part, and the clearance gap between the roof boards from which height differs vertically by a strong wind etc. It is possible to prevent rainwater that has entered from the inside from entering the joint portion of the roof unit.

The invention according to claim 2 is provided with a second water return portion that hangs in the vicinity of the lower end of the bottom surface of the extending portion of the roof plate disposed in the upper portion, and the lower end of the second water return portion is disposed in the lower portion. It was set as the structure contact | abutted on the surface of the roof plate of a roof unit. For this reason, the connection part of each roof unit will be closed by the 2nd water return part which hung near the bottom bottom end of the extension part of the roof board arranged in the upper part, and the above-mentioned 1st water return part and In addition, it is possible to prevent rainwater that has entered from the gaps between the roof boards having different heights due to strong winds or the like from entering the connecting portion of the roof unit.

The invention of claim 3 is configured such that the roof unit is divided into a plurality of types of roof units including a ridge unit, a flat unit, and an eaves unit. For this reason, according to the magnitude | size and shape of the roof to assemble, it becomes possible to comprise the form of various roofs by selecting and combining the kind and number of necessary roof units suitably.

It is a perspective view which shows the external appearance of the split-type roof material in a present Example. It is a side view explaining the attachment and structure of a split-type roof material in a present Example. It is a side view explaining the attachment and structure of a split-type roof material in a present Example. It is a top view of the split-type roof material in a present Example. It is an enlarged plan view explaining the shape of the roof board of the split-type roof material in a present Example. It is a perspective view explaining the modification of the split-type roof material in a present Example. It is a perspective view explaining the modification of the split-type roof material in a present Example. It is a perspective view explaining the modification of the split-type roof material in a present Example. It is a figure explaining the modification of the 2nd water return part in a present Example. It is a figure explaining the modification of the 2nd water return part in a present Example.

  Hereinafter, the split-type roof material according to the present embodiment will be specifically described with reference to FIGS. In the following embodiments, a case where a plurality of main body units are placed on a base unit laid on the ground and a split roof material composed of a plurality of roof units is applied to the upper portion of the main body unit will be described as an example. To do. In this embodiment, not only the roof unit constituting the split type roofing material but also the base unit and the main unit are produced in advance in the factory, and the base unit, the main unit and the roof unit are assembled in this order in the field. This makes it possible to construct various buildings (unit housing, unit-type toilets, etc.) according to the application.

  As shown in FIG. 1, in this embodiment, a plurality of main body units U are installed on an upper portion of a base unit K laid on the ground, and a divided roof made up of a plurality of roof units on the upper portion of the main body unit U. The material 10 is placed and a gable roof is formed.

  The plurality of roof units constituting the split roofing material 10 include three types of roof units: a ridge unit 20, a flat unit 30, and an eaves unit 40. As shown in FIG. 1, the ridge unit 20 forms a ridge that is the uppermost part of the roof composed of the split roofing material 10. The eaves unit 40 forms an eaves tip that is the lowest part of the roof. The flat unit 30 forms a flat part of the roof between the ridge unit 20 and the eaves unit 40.

  The ridge unit 20, the flat unit 30, and the eaves unit 40 have roof structures 22, 32, and 42 each having a predetermined gradient (for example, a gentle gradient of 0.33 degrees with respect to the horizontal). , 33 and 43 are provided at the top. For the roof plates 22, 32, 42, for example, a single hot-dip galvanized steel plate (thickness 2.3 mm) that has been waterproofed with a rubber sheet is used. The waterproofing process using the rubber sheet is not limited to the surface of the roof plates 22, 32, 42, but the first water return portion M 1 and the second water provided at the upper and lower ends of the roof plates 22, 32, 42 described later. It is also applied to the return part M2.

  Hard urethane foam as a heat insulating material is sprayed on the bottom surfaces of the roof plates 22, 32, and 42 with a predetermined thickness (approximately 30 mm). On both side ends of the roof plates 22, 32, 42, ribs 21, 31, 41 of a predetermined length (approximately 100 mm) are erected vertically. Then, the ribs 21, 31, 41 between the ridge unit 20, the flat unit 30, and the eaves unit 40 arranged adjacent to each other are covered with a rubber beat 50 and subjected to waterproofing treatment.

  As shown in FIG. 2, the ridge unit 20, the flat unit 30, and the eaves unit 40 have roof plates 22, 32, 42 on top of structures 23, 33, 43 that are assembled by a shaft assembly 60. Screwed at a predetermined gradient. As the shaft assembly 60 constituting the structures 23, 33 and 43, a lip groove steel which is a lightweight steel frame material is preferably used. The structures 23, 33 and 43 are subjected to hot dip galvanizing after the lip channel steel is welded and assembled.

  In this embodiment, welding assembly and hot dip galvanization treatment of the shaft assembly 60 of the structures 23, 33, 43 in the ridge unit 20, the flat unit 30, and the eaves unit 40, the roof plates 22, 32, Waterproofing with the rubber sheet 42 and screwing of the roof plates 22, 32, 42 to the upper portions of the structures 23, 33, 43 are all performed in the factory. Thereby, in the field, only by placing and connecting the ridge unit 20, the flat unit 30, and the eaves unit 40 to the upper part of the main unit U, the split roofing material 10 is not subjected to waterproofing processing or the like. Can be performed.

  The ridge unit 20, the flat unit 30, and the eaves unit 40 are composed of the lowermost shaft assembly 60 of each of the structures 23, 33, and 43 and the ceiling frame ( By connecting a plurality of (for example, four) connection bolts 71 (for example, M12 bolts) to the upper part of the main unit U. As for the connection of the ridge unit 20, the flat unit 30, and the eaves unit 40, the adjacent shaft assembly 60 is also connected by the connection bolt 72 (for example, M12 bolt), and the integral divided roof material 10 is formed. The The details of the connection order of the ridge unit 20, the flat unit 30, and the eaves unit 40 will be described later.

  As shown in FIG. 3, the lengths H1 (for example, 1740 mm) of the structures 23, 33, and 43 of the ridge unit 20, the flat unit 30, and the eaves unit 40 are the same. Although not shown, the width (for example, 3490 mm) is also the same. However, the height of the structure 23 of the ridge unit 20 is h1 (approximately 470 mm), the height of the structure 33 of the flat unit 30 is h2 (approximately 370 mm), and the height of the structure 43 of the eaves unit 40 is h3. Each of the structures has a predetermined height (approximately 100 mm), such as (approximately 270 mm).

  For this reason, the height of the roof plate 22 of the ridge unit 20 that is the roof unit disposed at the upper portion is higher than the height of the roof plate 32 of the flat unit 30 that is the roof unit disposed adjacent to the lower portion. Of the height (approximately 100 mm). Similarly, the height of the roof plate 32 of the flat unit 30 disposed at the upper portion is a predetermined height (approximately 100 mm) than the height of the roof plate 42 of the eaves unit 40 disposed adjacently at the lower portion. It gets higher by minutes That is, a step having a predetermined height (approximately 100 mm) is provided between the roof plate of the roof unit disposed in the upper portion and the roof plate of the roof unit disposed in the lower portion.

  The lower ends of the roof plates 22, 32, 42 of the ridge unit 20, the flat unit 30, and the eaves unit 40, which are roof units (however, in the ridge unit 20, since they are inclined from the center toward both ends) At both ends, an extension portion S that is extended by a certain length H2 (300 mm) with the same gradient as the roof plates 22, 32, 42 is formed.

  For this reason, as shown in FIG. 3, the extended part S of the roof board arrange | positioned at the upper part will be arrange | positioned so that the surface upper end part of the roof board arrange | positioned at the lower part may overlap, and each roof Rainwater can be prevented from entering from the joint between the roof units without applying a special waterproof treatment to the joint between the units (the building unit 20, the flat unit 30, and the eaves unit 40). . That is, since it is not necessary to perform a special waterproof process on the joint between the roof units, the construction period of the split roofing material 10 can be shortened.

  Moreover, the 1st water return part M1 is provided by standing | starting up vertically the upper end part of the surface of the roof boards 32 and 42 of the flat part unit 30 and the eaves part unit 40 which are the roof units arrange | positioned in the lower part. The height of the first water return portion M1 is disposed adjacent to the lower portion of the roof plate (roof plates 22 and 32) of the roof unit (the ridge unit 20 and the flat unit 30) disposed at the upper portion. The height of the roof unit (the flat unit 30 and the eaves unit 40) is substantially the same as the step of a predetermined height (approximately 100 mm) with the roof plate (roof plates 32 and 42).

  Thereby, the upper end of the 1st water return part M1 contact | abuts the lower surface of the extension part S provided in the roof boards 22 and 32 of the ridge part unit 20 which is a roof unit arrange | positioned at the upper part, and the flat part unit 30. It will be. Further, a rubber water-stopping packing P is attached to the upper end of the first water return portion M1, and the first lower portion of the roof plate (roof plates 22 and 32) disposed on the lower surface of the extended portion S is provided with the first water return portion M1. The rubber waterproofing packing P provided at the upper end of the water return portion M1 comes into contact, and the joint portion of each roof unit is sealed. Thereby, it is possible to prevent rainwater that has entered from the gaps between the roof boards having different heights due to strong winds or the like from entering the connecting portions of the roof units.

  Further, in the present embodiment, as shown in FIG. 3, the bottom portion of the extended portion S of the roof plate 22 and 32 of the ridge unit 20 and the flat unit 30 which are roof units arranged in the upper portion (from the lower end). A second water return portion M2 is provided depending on the upper portion (approximately 100 mm upper portion). The height of the second water return portion M2 is the same as that of the first water return portion M1, the roof plate (roof plate 22, 32) and a step having a predetermined height (approximately 100 mm) between the roof plate (roof plate 32, 42) of the roof unit (flat unit 30, eaves unit 40) disposed adjacently at the lower portion. The height is assumed.

  For this reason, the lower end of the 2nd water return part M2 contact | abuts the surface of the roof boards 32 and 42 of the flat part unit 30 and the eaves part unit 40 which are the roof units arrange | positioned at the lower part. Further, a rubber water-stopping packing P is attached to the lower end of the second water return portion M2, and the roof plate (roof plate 32) of the roof unit (flat unit 30 and eaves unit 40) disposed at the lower part. 42), the rubber waterproofing packing P provided at the lower end of the second water return portion M2 comes into contact with the surface of the second water return portion M2, and the joint portion of each roof unit is sealed. Thereby, it is possible to prevent rainwater that has entered from the gaps between the roof boards having different heights due to strong winds or the like from entering the connecting portions of the roof units.

  As described above, in the joint portion of each roof unit (the ridge unit 20, the flat unit 30, and the eaves unit 40) in the present embodiment, the extended portion S of the roof plate disposed in the upper portion is disposed in the lower portion. Since the first water return portion M1 and the second water return portion M2 for waterproofing are provided, the roof unit produced in the factory is covered with the top end portion of the surface of the roof plate. The installation of the split roofing material 10 can be completed without performing a special waterproofing process simply by placing and connecting to the upper part of the main unit U at the site, thereby shortening the construction period of the building roof. be able to.

  Here, the attachment procedure at the time of attaching each roof unit in a present Example to the upper part of the main body unit U is demonstrated. As shown in FIGS. 2 and 3, first, among the roof units (the ridge unit 20, the flat unit 30, and the eaves unit 40), a plurality of eaves units 40 arranged at the lowermost part are used as cranes or the like. And is mounted on the upper part of the main unit U positioned below and connected by a plurality of (for example, four) connection bolts 71 (for example, M12 bolts).

  Next, the plurality of flat unit units 30 arranged adjacent to the upper part of the plurality of eaves unit units 40 arranged at the lowermost part are lifted with a crane or the like in the same manner as the eaves unit unit 40, and the main body positioned below It is placed on the upper part of the unit U and connected with a connecting bolt 71. At this time, the eaves part unit 40 and the flat part unit 30 connect the adjacent shaft assembly members 60 by connecting bolts 72 (for example, M12 bolts).

  Finally, the plurality of ridge units 20 arranged adjacent to the upper parts of the plurality of flat units 30 are lifted with a crane or the like in the same manner as the eaves unit 40 and the flat unit 30, and the main unit located below It is mounted on the upper part of U and connected with a connecting bolt 71. And the flat part unit 30 of the both ends of the ridge part unit 20 connects the adjacent shaft assembly materials 60 with the connection bolt 72 (for example, M12 bolt), respectively.

  As described above, in this embodiment, the roof unit (eave unit 40, flat unit 30) disposed at the lower portion is first placed on the main unit U and connected, and finally, the roof unit is disposed at the uppermost portion. The roof unit (ridge unit 20) is placed on the main unit U and connected. In this way, by attaching the roof unit disposed in the lower portion first, the upper end of the first water return portion M1 provided in the vicinity of the connecting portion of each roof unit is extended to the roof plate disposed in the upper portion. The lower end of the second water return portion M2 can be alternately brought into contact with the surface of the roof plate disposed in the lower portion of the lower surface of the portion S, so that each roof unit can be attached smoothly.

  Although not shown, a plurality of eyenuts (for example, four locations) for attaching eyebolts are embedded in the surfaces of the roof plates 22, 32, 42 of the ridge unit 20, the flat unit 30, and the eaves unit 40. The eye nut is attached to an eyebolt and can be suspended by a crane. Note that the eye nut is waterproofed by closing it with a plastic cap when the eye bolt is removed.

  As shown in FIGS. 4 and 5, the roof plate 22, 32, 42 of the ridge unit 20, the flat unit 30, and the eaves unit 40 in the present embodiment is the same ridge unit 20, flat unit 30, eaves. If the unit 40 is not adjacent, the length of the roof plate on the 21, 21, 41 side (that is, the length in the width direction) is varied. Specifically, as shown in FIG. 5, the roof plate 32 of the flat unit 30 is wider than the roof plate 22 of the ridge unit 20 by a width H3 (approximately 50 mm). Further, the roof plate 42 of the eaves unit 40 is wider than the roof plate 32 of the flat unit 30 by a width H3 (approximately 50 mm).

  That is, the width of the roof slab disposed at the lower part is wider by the width H3 than the width of the roof slab disposed adjacently at the upper part. Thereby, the length (length in the width direction) of the second water return portion M2 hung near the bottom bottom end of the extended portion S of the roof plate disposed in the upper portion is the roof plate disposed in the lower portion. It can be made shorter than the width. Thereby, as shown in FIG. 5, the drainage channel (arrow of FIG. 5), such as rain water collected between the 1st water return part M1 and the 2nd water return part M2, is arrange | positioned at the upper part. It becomes possible to form in the extension part S of a board.

With the above configuration, for example, in the case of heavy rain with a strong wind such as a typhoon, the extended portion S of the roof plate disposed in the upper portion is lifted, and the rainwater flows into the first water return portion M1 and the second water return portion M2. Even if it may enter during the period, it drains to the upper surface of the roof plate arranged at the lower part via the drainage channel (arrow in FIG. 5) formed on one end side of the second water return part M2. Can do.
[Modification of split roofing material]

  In the embodiment described above, a gable roof is formed using a plurality of types of roof units (two ridge units 20, four flat units 30, four eaves units 40) constituting the split roofing material 10. Although forming has been described as an example, the present invention is not limited to this. It is also possible to form roofs having different shapes by combining a plurality of types of roof units. For example, as shown in FIG. 6, two ridge units 20, two flat units 30, and two eaves units 40 are used depending on the number (size) of main unit U used. Thus, it is possible to form a roof like a single flow in which the entire surface of the roof is inclined to only one side.

  Further, it is not always necessary to use all types of roof units (the ridge unit 20, the flat unit 30, and the eaves unit 40). For example, as shown in FIG. The gable roof may be formed using the flat part unit 30 of FIG. 8, or the gable roof may be formed using the two ridge unit 20 and the four eaves units 40 as shown in FIG. It can also be formed.

In this way, according to the size and shape of the roof to be assembled, by appropriately selecting the type and number of each type of roof unit (building unit 20, flat unit 30, eaves unit 40), A wide variety of roof forms can be constructed. Moreover, the magnitude | size of each roof unit single-piece | unit is the magnitude | size (For example, length 1740mm, width 3490mm, height 470mm-270mm) of each structure 23,33,43. For this reason, even if the size of the roof plates 22, 32, 42 is slightly larger than that of each of the structures 23, 33, 43, it is a size that can be sufficiently transported by a general vehicle such as a truck. For this reason, the division | segmentation type roofing material 10 of a big area can also be comprised by increasing the number of each roof unit (the ridge part unit 20, the flat part unit 30, the eaves part unit 40) in a present Example.
[Modification of split roofing material]

  In the above-described embodiment, the second water return portion M2 provided to hang down near the bottom bottom end of the extended portion S of the roof plate disposed on the upper portion has been described as a single plate. A modification of the return unit M2 will be described. In addition, in the following modified examples, the second water return portion M <b> 2 provided to hang down near the bottom bottom end of the extended portion S of the roof plate of the flat unit 30 will be described as an example.

  As shown in FIG. 9, a gap N is provided at a predetermined interval in the middle of the second water return part M <b> 2 provided to hang down from the bottom surface of the extension part S of the roof plate 32 of the flat part unit 30. A configuration in which rainwater or the like accumulated between the first water return portion M1 and the second water return portion M2 is drained to the upper surface of the roof plate disposed in the lower portion can also be adopted.

  Moreover, as shown in FIG. 10, if the same flat part unit 30 does not adjoin the 2nd water return part M2 hung down on the bottom face of the extension part S of the roof board 32 of the flat part unit 30, the 31 side It is also possible to provide a gentle slope (for example, 1 degree) at a predetermined angle toward the front. Due to this gentle gradient, it is possible to promote that rainwater or the like accumulated between the first water return portion M1 and the second water return portion M2 flows out toward the drainage channel (arrow in FIG. 5). .

  In addition, the gradient of the roof plate constituting each roof unit (the ridge unit 20, the flat unit 30, the eaves unit 40) in the above-described embodiments, the material or the size of the roof plate, the shaft assembly, etc. It is not limited to this, and can be changed as appropriate.

  As mentioned above, although this invention has been demonstrated through the Example mentioned above, this invention is not limited to these. Moreover, each effect mentioned above only enumerated the most suitable effect which arises from this invention, and the effect by this invention is not limited to what was described in the Example.

DESCRIPTION OF SYMBOLS 10 Split type roof material 20 Building unit 30 Flat part unit 40 Eaves part unit 60 Frame assembly K Foundation unit M1 1st water return part M2 2nd water return part S Extension part U Main body unit

Claims (3)

In the split-type roof material that constitutes one roof by a combination of a plurality of roof units,
The roof unit has a structure that is assembled by a shaft assembly material, and a roof plate that is placed on top of the structure and is inclined at a predetermined gradient,
The height of the roof plate of the roof unit disposed in the upper part is configured to be higher by a predetermined height than the height of the roof plate of the roof unit adjacently disposed in the lower part,
On the lower end portion of the roof plate of the roof unit, an extended portion is formed by extending the lower end portion with the same gradient as the gradient of the roof plate,
The extension portion of the roof plate disposed in the upper portion and the upper end portion of the surface of the roof plate disposed in the lower portion overlap ,
The upper end of the surface of the roof slab arranged at the bottom is vertically raised to provide a first water return part,
The split roofing material according to claim 1, wherein an upper end of the first water return portion is configured to abut against a lower surface of the extended portion of the roof plate arranged at an upper portion . A second water return portion is provided in the vicinity of the bottom bottom end of the extended portion of the roof plate disposed on the upper portion,
2. The split roofing material according to claim 1, wherein a lower end of the second water return portion is configured to abut on a surface of the roof plate of the roof unit disposed in a lower portion . The split roof material according to claim 1 , wherein the roof unit is divided into a plurality of types of roof units including a ridge unit, a flat unit, and an eaves unit .

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