JP3038569U - Corner roof of a dormitory roof and ridge roof equipment - Google Patents

Abstract

(57) [Abstract] [Problem] To ventilate the air in the attic of a dormitory roof. [Means for solution] Ridge 19 where the roof 17 and the roof 18 intersect
A central ventilation channel groove portion (21) extending in the longitudinal direction is formed in the central portion in the width direction of the upper surface of the corner wood (20) provided in the. The central ventilation channel groove 21 is provided at a plurality of locations at intervals in the longitudinal direction of the corner wood 20.
A ventilation branch flow channel groove portion (22) communicating with and intersecting with is formed. Corner timber 20
The upper end opening side of the central ventilation flow channel groove portion (21) communicates with the ridge ventilation ventilation portion (28) formed in the large ridge portion (15).

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 TECHNICAL FIELD The present invention relates to a corner tree of a hipped roof and a hipped roof device for ventilation in the attic of a timber roof of a wooden shed.

[0002]

[Prior art]

 Generally, in a gabled roof with a flat roof in a wooden shed structure, as shown in FIG. 6, a large number of rafters 4 and 4 abutted on the upper surface of the purlin 2 of the large ridge 1 are laid across from the left and right. A roof structure is used in which a roof base plate 5 is attached to the upper surface of the rafter 4.

Since the upper end of the rafter 4 is attached to the upper part of the purlin 2 in the large ridge 1 portion of this roof structure, the rafter 4 and the field board 5 stretched on the rafter 4 are attached to the purlin 2 portion. A gap 6 is formed between the air gaps, and the gap 6 forms a ventilation path communicating with the ridge ventilation section 7 formed in the large wing 1. The ventilation path allows ventilation of the attic 8 (attic). It has become.

However, in the structure of the wooden shed structure as shown in FIG. 5, two trapezoidal flat roofs 9 and two triangular gable roofs 10 connecting both ends of the purlin 2 of the large wing 1 and the four corners of the roof are provided. As shown in FIG. 7, a corner timber 12 is arranged along a ridgeline 11 where the flat roof 9 and the gable roof 10 intersect, and the upper end of the corner timber 12 is located in the large ridge 1 of the flat roof 9. Ends of the purlins 2 are abutted against each other so as to straddle the upper surface, and rafters 4 are attached to both side surfaces of the corner lumber 12 so as to be substantially flush with the upper surface of the corner lumber 12 to form a wooden shed structure. ing.

Then, a roof base plate 5 is attached to the upper surface of the rafter 4 at the part of the roof 10 and a roof is constructed in the order of a waterproof base and a roof finishing material.

The rafters 4 are provided on both sides of the corner timber 12 and the upper surface of the corner timber 12 on the corner timber 12 at the portion where the flat roof 9 and the gable roof 10 of such a ridge type are joined at the ridgeline 11. Since the field boards 5 are stretched on almost the same plane and the rafters 4 are attached to the upper surface of the rafter 4 without forming a gap, ventilation is not possible at the corners.

[0007]

[Problems to be solved by the device]

 In the conventional roof of a wooden shed structure, the roof of the rafters 4 mounted on the side surfaces of the corner timbers 12 of the ridgeline 11 of the flat roof 9 and the gable roof 10 so that their upper surfaces are substantially flush with each other is the ground board 5. Since the roof part is constructed by stretching, there is no ventilation gap between the rafters 4 and the base plate 5, the air in the attic 8 of the gable roof 10 part does not easily flow, and the air in the attic 8 stays, There was a problem that the humidity becomes high, which causes the deterioration of the living environment such as the formation of dew condensation, and the humidity easily causes corrosion of wood, which adversely affects buildings.

The present invention has been devised in view of the above-mentioned problems, and provides a corner tree of a hipped roof and a hipped roof device in which the air behind the roof of the gable roof part can be made to flow by the corner timber. It is a thing.

[0009]

[Means for Solving the Problems]

 The corner tree of the hipped roof of the invention according to claim 1 is a corner tree provided on a ridge line where a gable roof and a flat roof of the hipped roof intersect, and the corner wood forming the corner tree is formed into a substantially square pillar shape. And a central ventilation channel groove extending in the longitudinal direction at the center of the upper surface in the width direction, and a ventilation branch that opens to the side at its tip at a plurality of locations at intervals in the longitudinal direction and communicates with this central ventilation channel groove. And a flow channel groove portion.

[0010] The air inside the gabled attic is ventilated from a plurality of ventilation branch channel grooves formed in the corner timber to the central ventilation channel groove, so that the air around the corner timber flows upward. Ventilation of the attic of the roof of the house is performed.

According to a second aspect of the present invention, there is provided a hipped roof device including a corner timber provided on a ridgeline where a gable roof and a flat roof of the hipped roof are crossed, and the corner timber is formed in a substantially square pole shape. A central ventilation passage groove portion extending in the longitudinal direction is provided in the central portion in the width direction, and a ventilation branch passage groove portion is formed at a plurality of locations at intervals in the longitudinal direction with the ends open to the side surface and which communicates and intersects with the central ventilation passage groove portion. However, the upper end opening side of the central ventilation channel groove formed in the corner timber communicates with the ridge ventilation ventilation part formed in the large ridge portion.

Since the air flowing through the central ventilation channel groove of the corner timber can flow toward the building ventilation ventilation section formed in the large building section, the air in the attic of the gable roof part of the ridge type is Good convection.

[0013]

[Embodiment of the invention]

 An embodiment of the dormitory roof apparatus of the present invention will be described with reference to FIGS. 1 and 2.

In FIGS. 1 and 2, two triangular roofs 17 and two triangular roofs 17 and 2 are provided at the upper end of the purlin 16 of the large rectangular ridge 15 which is constructed on the uppermost part of the roof of the wooden shed structure. A pair of corner timbers 20 arranged along a ridge line 19 that intersects with a trapezoidal flat roof 18 are laid so that their upper end portions 20a are joined to each other.

The corner timber 20 is formed in a substantially rectangular column shape, and the corner timber 20 constitutes a wooden shed structure that supports the purlin 16 from the four corners.

As shown in FIG. 3, the opposite end surfaces of the upper end portion 20a, which is incorporated in the mounting portion such as a handle hole provided in the purlin 16 of the pair of corner timbers 20, are inclined in plan view and side view. A notch portion 20C is formed on the inclined end face 22b, and a notch 20C is formed in the upper part of the joined inclined end face 20b so as to widen upward.

As shown in FIG. 3 and FIG. 4, the corner timbers 20 are inclined so that their upper surfaces incline downward from the central portion in the width direction in accordance with the inclinations of the flat roof 18 and the gable roof 17, respectively. It is formed on the slope 22a.

Further, a central ventilation passage groove portion 21 is formed in the central portion in the width direction of the upper surface of the corner lumber 20 in the longitudinal direction, and both ends of the corner lumber 20 are provided with side surfaces at a plurality of intervals in the longitudinal direction. A ventilation branch flow channel groove portion (22) opening toward the center is formed so as to communicate with and cross the central ventilation flow channel groove portion (21).

Further, the upper end portion 20a of the central ventilation passage groove portion 21 of the pair of corner timbers 20 is communicated with the notch portion 20C which intersects the central ventilation passage groove portion 21 in an inclined manner.

As shown in FIGS. 1 and 2, when constructing a shed assembly such as a gable roof 17 and a flat roof 18, a shed beam, shed bundle, The structure of the eaves girder 24 is assembled, and the purlin 16 and the corner timber 20 are mounted on the uppermost part of the structure to construct the frame of the gable roof 17 and the flat roof 18.

It should be noted that purlins 23, which are sequentially arranged in a row at regular intervals along the inclined surfaces of the gable roof 17 and the flat roof 18, are attached to the upper surfaces of the above-mentioned shed beams and shed not shown. .

Then, the lower ends of a large number of rafters 25 that are attached to the purlins 16 and the corner timbers 20 and the purlin 23 at intervals are fastened in a vertical manner to the eaves girders 24 that are attached to the last row of the slope of the shed. A timbered wooden hut structure is constructed.

The rafters 25 are attached to the purlins 16 so as to straddle the upper surface of the purlins 16, and for the corner lumbers 20 both side surfaces of the corner lumbers 20 and the upper inclined surfaces of the corner lumbers 20. It is installed on the same surface as the corner wood 20 and rafters 25, and a base plate 26 such as pine or cedar is attached as a roof base to the upper surfaces of the corner wood 20 and rafters 25. Is built.

As shown in FIG. 1, the upper ends 25a, 25a of the rafters 25, 25 on both sides of the purlin 16 are attached to each other with a space 25b between them. A vent 29 is formed.

Further, as shown in FIG. 3, a part of the top of the field board 26 that covers the upper surface of the purlin 16 of the large ridge 15 is opened in a plurality of portions on the flat roof 18 of the dormitory roof 27, A ridge ventilation ventilation part 28 is formed.

In addition, the eaves ventilation ventilation section (not shown) is provided at a plurality of locations on the back of the eaves. The eaves ventilation ventilation section communicates with the attic 30, and the air ventilation of the attic 30 is performed with the ridge ventilation ventilation section 28. And convection with.

The operation of the above embodiment will be described.

On the upper surface of a pair of corner timbers 20 that are respectively installed in a slanting shape with respect to the ridgeline 19 where the gable roof 17 and the flat roof 18 of the dormitory roof 27 intersect, a central ventilation flow is provided toward the longitudinal direction of the corner timbers 20. Since the passage groove portion 21 is formed, the air flows upward along the central ventilation passage groove portion 21, so that the ventilation branch passage groove portion 22 communicating with the central ventilation passage groove portion 21 is formed in the longitudinal direction of the corner wood 20. The air in the attic 30 flows from the ventilation branch flow channel groove portion 22 to the central ventilation flow channel groove portion 21 by opening at a plurality of points along the vertical ventilation channel groove portion 21 and rises along the central ventilation channel groove portion 21 to the upper end of the corner timber 20. It is possible to ventilate the stagnant air to the outside air from a building ventilation ventilation section 28 formed in the dormitory roof 27 via the cutout section 20C of the section 20a.

Further, the air occupying the central portion of the attic 30 including the flat roof is ventilated to the ridge ventilation ventilation section 28 through the air circulation port 29 of the rafters 25, etc., and the air in the attic 30 does not stay.

Therefore, the air in the attic 30 can be ventilated from the eaves ventilation ventilation section to the attic 30, to convect the air in the attic 30 and to ventilate it from the ridge ventilation ventilation section 28. There is no retention of.

[0031]

[Effect of the invention]

 According to the invention of claim 1, the air around the corner timber merges from the ventilation branch flow passage grooves at a plurality of locations at the central ventilation flow passage groove portion, and the air rises along the central ventilation flow passage groove portion for ventilation. As a result, the ventilation of the air in the attic is improved, the moisture around the corner timber can be removed, the corner timber is prevented from corrosion, and the durability of the corner timber and the attic roof framing structure is improved. Can be improved.

According to the second aspect of the present invention, the air collected from the ventilation branch flow channel groove of the corner timber by the central ventilation flow channel groove can be vented toward the ridge air ventilation portion formed in the large ridge portion. Therefore, there is no place where air is accumulated in the corners provided with corner timbers and the attic, and the air in the attic is ventilated from the ventilation ventilation section of the attic, so moisture in the attic including the corner timber can be promptly removed. Ventilation and ventilation, and also convection of air is promoted, and the occurrence of dew condensation can be prevented.

[Brief description of the drawings]

FIG. 1 is a partially cutaway plan view of a hipped roof apparatus according to an embodiment of the present invention.

FIG. 2 is a partially enlarged plan view of a part of the above-mentioned dormitory roof apparatus.

FIG. 3 is a side view in which a part of a gable roof portion of the above-described dormitory roof apparatus is cut away.

FIG. 4 is a perspective view of a part of the corner timber of the above-mentioned dormitory roof apparatus.

FIG. 5 is a perspective view in which a part of a conventional hipped roof house is cut away.

FIG. 6 is an explanatory view showing a building ventilation / ventilation part of a large part of a conventional hipped roof.

FIG. 7 is an explanatory view showing a corner timber portion and a roof of a conventional hipped roof.

[Explanation of symbols]

 15 Main building 17 Tsum roof 18 Flat roof 19 Ridge 20 Corner timber 21 Central ventilation channel groove 22 Vent branch channel groove 27 Side roof 28 Ventilation ventilation section

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁶ Identification number Agency reference number FI Technical display location E04D 13/16 E04D 13/16 D

Claims (2)

[Utility model registration claims] 1. A corner tree provided on a ridge line where a gable roof and a flat roof of a hipped roof intersect, wherein the corner wood forming the corner tree is formed into a substantially rectangular column shape, and a longitudinal direction is provided at a central portion in a width direction of an upper surface. And a ventilation branch flow channel groove portion which is open at a plurality of positions at intervals in the longitudinal direction and has a tip open to the side surface and which communicates and intersects with the central ventilation flow channel groove portion. Corner tree of the ridge roof. 2. A corner timber provided on a ridge line where a gable roof and a flat roof of a hipped roof are provided, and the corner timber is formed into a substantially rectangular column shape, and a central passage extending in a longitudinal direction is formed at a central portion in a width direction of an upper surface. An air flow channel groove part, and a ventilation branch flow channel groove part which has a tip open to a side surface at a plurality of positions spaced apart in the longitudinal direction and which communicates and intersects with the central air flow channel groove part. A ridge roof device characterized in that the opening on the upper end of the groove communicates with a building ventilation ventilation section formed in the large wing.