JP5998363B2 - Roof structure - Google Patents

Description

  The present invention relates to a roof structure in which a roof body is suspended and supported via a hanging tool under a beam between columns.

  In general, the carport installed in the garage has a roof body on the front beam installed on the upper part of the left and right columns and the rear beam installed on the left and right columns installed on the rear of both columns. However, in the method of supporting the roof body on the beam, as shown in Patent Literature 1, the roof body is supported on the upper part of the beam and the roof body is suspended below the beam. It is considered to be a supporting method.

  In the system in which the roof body is suspended and supported under the beam, both sides of the roof body are suspended and supported by the beam via suspension members.

  By the way, recently, the concept of the roof structure is based on a common viewpoint that the roof protects people and cars from wind and rain, etc., and a large roof structure that simply consists of a carport, a terrace roof, and a front door in the entrance approach. The momentum toward the realization of is increasing. According to such a large roof structure, a comfortable interior extension space can be created on the outdoor side.

JP 2003-268998 A

  However, the conventional roof structure has a structure in which a roof coupler (hanging tool) is provided under the beam and a girder constituting the roof body is attached to the lower part of the roof coupler, as in Patent Document 1. When fixing the girder to the roof connector with bolts, insert the back plate into the groove formed in the upper surface of the girder and slide it in advance, and hold the girder so that it contacts the lower surface of the roof connector, and then the roof connector The connecting member attached to was fixed to the back plate with bolts. In this case, while one of the workers is performing the bolt fastening operation, the other one has to continue to support the girder, and it was not possible to let go of the construction work.

  An object of the present invention is to solve the above-mentioned problems and to provide a roof structure that can easily and reliably attach a rafter of a roof to a hanging tool.

In order to solve the above-mentioned problem, the invention according to claim 1 is a roof structure in which a roof body is suspended and supported by a suspension provided on a beam, and a pair of suspension pieces are suspended from both sides of the suspension. An engaging portion that protrudes obliquely upward is formed at the lower part of these hanging pieces so as to face each other, while the roof body is constructed by a roof panel that is laid on the front frame and the rear frame of the roof frame. The upper portion of the rafter is formed with a rising portion along the longitudinal direction thereof, and engaging portions are formed on both sides of the rising portion to engage the hanging piece of the hanging tool. The engaging portion is engaged with the engaging portion of the rafter, and a bolt is inserted into the rising portion from the side of the pair of hanging pieces, and fixed with a nut .

  According to a second aspect of the present invention, in the first aspect, the engaging portion at the lower part of the hanging piece is an engaging claw, and the engaging portions on both sides of the rising portion are engaging grooves.

  The invention according to claim 3 is the guide according to claim 1 or 2, wherein the upper end of the rising portion is bulged, and the upper end surface of the bulged portion can be pushed and spread on both ends of the hanging pieces on both sides. The surface is formed with an inclination.

According to a fourth aspect of the present invention, in any one of the first to third aspects, a reinforcing rib is formed on both sides of the pair of hanging pieces.

According to the first aspect of the present invention, the lower part of the hanging piece hanging from both sides of the hanging tool is formed with the engaging portions projecting diagonally upward so as to face each other, while being provided on the upper part of the rafter that supports the roof panel. Since the engaging part is formed on both sides of the rising part and the engaging part of the hanging piece of the hanging tool and the engaging part of the rising part are engaged, the rafter is temporarily fixed temporarily by the engagement. Can do. Therefore, the rafter can be easily and reliably attached to the hanging tool even by one worker.
Moreover, since the bolt was fitted and inserted into the rising part from the side of the pair of hanging pieces and fixed with the nut, the hanging tool and the rafter were engaged with each other by the engaging part and the fixing bolt and nut. It can be fixed twice, and can be reliably fixed with a small number of parts.
In addition, since the bolt is inserted from the side of the suspension piece and cannot be seen from below, the interior of the completed roof structure is not damaged by the exposure of the fixing bolt.

  According to the invention which concerns on Claim 2, since it is engagement with an engaging groove and an engaging claw, it can engage reliably and firmly.

  According to the invention of claim 3, the guide surfaces that can be pushed and spread against the tips of the hanging pieces on both sides are formed on both sides of the upper end surface of the bulging portion provided at the upper end of the rising portion. When the rising part of the rafter is strongly pushed in between the above-mentioned suspension pieces, the suspension piece can be elastically deformed outward along the guide surface, so that the engagement part of the suspension piece can be easily used as the engagement part of the rising part. It can be made to be elastically engaged.

According to the invention according to claim 4 , since the reinforcing ribs are formed on both sides of the pair of hanging pieces, the hanging pieces are not bent and deformed excessively, and the mounting state of the rafters can be satisfactorily maintained. it can.

A perspective view of a large roof structure according to the present invention. Sectional drawing which shows the state which attached the hanging tool to the beam (A) (b) is a partial cross-sectional explanatory view showing a procedure for attaching a hanging tool to a beam The perspective view which shows the operation | work for attaching the rafter with respect to a hanging tool (A) (b) (c) is an explanatory view of the mounting mode of the rafters to the hanger Illustration of how the rafters are attached to the suspension Front view showing a state where a roofing board is fixed to a rafter.

  FIG. 1 shows a perspective view of a large roof structure. In this large roof structure, a pair of left and right hollow metal columns 2, 2 are arranged on the front and rear with reference to the front end 1 of the installation space. Hollow metal beams 3 are provided above the left and right columns 2, 2. The front and rear beams 3 are parallel, and both ends of the beam 3 are connected to the upper ends of the columns 2 via brackets (not shown), thereby forming a gate-shaped roof support member. The installation space is assumed to be a parking space for two or three automobiles, or a large space including one automobile and the entrance approach, and also the terrace.

  A plurality of hanging tools 10 are attached to the front and rear beams 3, and the roof body A is suspended and supported by the hanging tools 10. The roof body A includes a roof frame 14 in which front and rear frames 11, 12 and left and right side frames 13 are squarely assembled, a rafter 15 spanned in parallel with the front and rear frames 11, 12, a roof frame 14 and a rafter 15. It is comprised from the roof panel 16 fixed in the space part between. A rafter 15 is fixed to the hanging tool 10 of the beam 3, and the roof body A is suspended and supported thereby.

  Next, the structure which attaches the hanging tool 10 to the lower part of the beam 3, and the structure which suspends the roof body A on the hanging tool 10 are demonstrated.

  That is, a plurality of hanging tools 10 are attached to the lower part of the beam 3 at a constant interval.

  As shown in FIG. 2, a dovetail groove (attachment groove) 18 that opens downward is formed in the lower portion of the hollow portion 3 a of the beam 3 along the longitudinal direction. A first opening edge 20 and a second opening edge 21 are formed on both sides of the dovetail groove 18 so as to face each other. Further, the first opening edge 20 is formed longer than the second opening edge 21. Furthermore, a screw hole 24 is formed in the groove wall 23 on the second opening edge 21 side.

  On the other hand, as shown in FIGS. 2 to 4, the hanging tool 10 has a first engagement piece 25 and a second engagement of the same length at the front and rear ends of the attachment portion 10 a formed at the upper end portion. A piece 26 is bent downward, a pair of hanging pieces 17 are suspended from the left and right sides of the mounting portion 10a, and reinforcing ribs 10b are formed on both sides of the hanging piece 17, and the reinforcing ribs 10b on both sides are formed. An engaging claw (engaging portion) 39 that protrudes obliquely upward is formed at a position facing each other. The front and rear width of the mounting portion 10a is formed to be larger than the width of the opening 19 of the dovetail groove 18. Further, the protruding amount of the first engaging piece 25 from the hanging piece 17 is formed to be larger than the protruding amount of the second engaging piece 26 from the hanging piece 17. Further, an engagement hole 27 is formed in the second engagement piece 26, and a bolt insertion hole 28 is formed at a corresponding position of the left and right suspension pieces 17. In addition, the lower end of the hanging tool is formed so as to follow the gradient of the rafter 15.

  When attaching the hanging tool 10 having the above configuration to the lower portion of the beam 3, first, as shown in FIG. 3A, the first engaging piece 25 is placed inside the opening of the dovetail groove 18 with the hanging tool 10 inclined. The first engagement piece 25 is engaged with the first opening edge 20. In this state, the suspension tool 10 is pushed in while being rotated to move the whole to the first opening edge 20 side, and the upper end of the suspension tool 10 is pushed forward into the dovetail groove 18 of the beam 3 (first opening edge 20 side). ) And the second engagement piece 26 is caused to enter the dovetail groove 18 so that the mounting portion 10a at the upper end of the hanging tool 10 abuts against the upper wall 30 of the dovetail groove 18. Further, as shown in FIG. 2B, the lifting tool 10 is pulled back to the rear side (second opening edge 21 side), and the second engagement piece 26 is moved to the second opening of the dovetail groove 18 as shown in FIG. It is made to fit in the fitting groove 44 formed in the edge 21. As a result, the first and second engaging pieces 25 and 26 are engaged with the first and second opening edges 20 and 21, respectively, and the hanging tool 10 is suspended from the beam 3 as shown in FIG. It becomes a supported state. Furthermore, the screw 9 is fastened to the screw hole 24 formed at a predetermined position of the groove wall 23 on the second opening edge 21 side, and the engagement hole hole 27 formed in the second engagement piece 26 of the hanging tool 10. Positioning by engaging In the same manner, a plurality of hanging tools 10 are attached to the lower part of the beam 3 at a predetermined interval.

  Next, a rafter 15 of the roof body A is attached to the lower part of the hanging tool 10. As shown in FIG. 1, the rafter 15 is a member laid on the front frame 11 and the rear frame 12 of the roof frame 14, and as shown in FIG. 4 and FIG. At the center of the upper portion of the body 15a, a hollow rising portion 22 is formed so as to protrude upward along the longitudinal direction of the body 15a. An inclined guide surface 31 is formed on both sides of the upper end surface of the head portion 22a. Further, an engaging groove (engaging portion) 32 that opens downward is formed on both lower portions of the head 22a, and a screw receiving groove 33 is formed obliquely downward from the outside to the inside below.

  Two fitting protrusions 34 and 35 are formed on the upper surface of the support portion 29 along the longitudinal direction, and a beat 36 is fitted and fixed to the fitting protrusions 34 and 35. Further, a bolt insertion hole 37 is formed through the hollow rising portion 22 so as to correspond to the arrangement of the hanging tool 10. The length of the rafter 15 is longer than the distance between the front and rear beams.

  When the rafter 15 is fixed to the lower part of the hanging tool 10, the rafter 15 is arranged under the front and rear beams 3, and as shown in FIGS. 4 and 5A, The rafter 15 is pushed up from the lower position, the guide surfaces 31 on both sides of the hollow rising portion 22 of the rafter 15 are engaged with the tips of the two hanger pieces 17 and 17 of the hanger 10, and the rafter 15 is pushed in further strongly. After the suspension piece 17 is elastically deformed outward along the guide surface 31, the suspension piece 17 is restored as shown in FIG. 5B, and the engagement claw 39 of the suspension piece 17 is elastically engaged with the engagement groove 32 of the hollow rising portion 22. Match. Further, as shown in FIGS. 6 and 7, a tubular spacer 38 is fitted from the bolt insertion hole 28 of the suspension piece 17 to the bolt insertion hole 37 of the hollow rising portion 22, and the fixing bolt 40 is fitted inside the spacer 38. It is inserted and fixed with a nut 41 through packing or the like.

  When the rafter 15 is elastically engaged with the lower part of the hanging tool 10, as shown in FIG. 5C, the rafter 15 is pushed up obliquely, and first, one guide surface 31 of the hollow rising portion 22 of the rafter 15. Is pushed into between the two hanging pieces 17 and 17 of the hanging tool 10, and the engaging claw 39 of one hanging piece 17 is engaged with one engaging groove 32 of the hollow rising portion 22, and in this state The rafter 15 is rotated to the opposite side, and the other guide surface 31 of the hollow rising portion 22 is strongly pushed between the two hanging pieces 17, 17 to widen the interval between the hanging pieces 17, 17, and the hollow rising portion The engaging claw 39 of the other hanging piece 17 may be elastically engaged with the other engaging groove 32 of 22.

  Further, as shown in FIG. 1, a front frame 11 and a rear frame 12 are fixed to the front and rear ends of each rafter 15, and side frames 13 are fixed to both ends of the front and rear frames 11 and 12. The side frame 13 is attached integrally with the rafters 15 at both ends.

  Next, as shown in FIG. 7, the roof panel 16 is sandwiched and fixed from above and below by the rafter 15 and the panel presser 42. The roof panel 16 is constituted by a thin flat plate made of translucent synthetic resin, and the side edges thereof are sandwiched and fixed by the inner and outer two beats 36 on the support portion 29 of the rafter 15 and the beat 36 of the panel presser 42. The panel presser 42 is in contact with the screw receiving groove 33 of the hollow rising portion 22 and is fixed by a screw 43 screwed into the screw receiving groove 33. The front and rear end portions of the roof panel 16 are supported by the front frame 11 and the rear frame 12, respectively.

  A rafter connecting member 8 (see FIG. 1) is disposed in the center of the roof body A in the left-right direction, and is fixed to each rafter 15 with screws.

  As described above, when the rafter 15 of the roof body A is attached to the lower part of the hanging tool 10, the rafter 15 is pushed up from the lower position of the hanging tool 10 fixed to the beam 3, and the hollow rising portion 22 of the rafter 15 is moved to the hanging tool 10. After the suspension piece 17 is elastically deformed outward by strongly pushing between the two suspension pieces 17, 17, the engagement claw 39 of the suspension piece 17 is elastically engaged with the engagement groove 32 of the hollow rising portion 22. As a result, the rafter 15 can be held even in a released state. Furthermore, since it can fix by performing the fastening operation | work by the fixing bolt 40, even an operator can attach the rafter 15 with respect to the hanging tool 10 easily and reliably.

  After the rising portion 22 of the rafter 15 is elastically deformed outwardly from the two hanging pieces 17 and 17 of the hanging tool 10, the engaging claw 39 of the hanging piece 17 is elastically engaged with the engaging groove 32 of the rising portion. Can be temporarily fixed. For this reason, the rafter 15 can be easily and reliably attached to the hanging tool 10 even by one worker.

  Further, since the engagement groove 32 of the hollow rising portion 22 is formed along the entire length of the rafter 15 and the hanging tool 10 can be attached to any position of the rafter 15, the bolt insertion hole 28 and the rafter of the hanging tool 10 can be attached. The 15 bolt insertion holes 37 can be accurately matched, and the suspension tool 10 can be positioned and fixed at an accurate position of the beam 3. Moreover, the suspension piece 17 and the hollow rising portion 22 can be double-fixed by the engagement between the engagement claw 39 and the engagement groove 32, the fixing bolt 40 and the nut 41. Therefore, it can be reliably fixed with a small number of parts.

  Further, the fixing bolt for fixing the hanging tool 10 and the rafter 15 is located above the rafter 15 and cannot be seen from under the roof body A. Therefore, the inside view of the completed roof structure is not damaged by the exposure of the fixing bolt.

  In addition, since the reinforcing piece 17a is formed on the hanging piece 17, the hanging piece 17 is not bent and deformed excessively, and the attached state of the rafter 15 can be maintained well.

  In addition, the hanging piece and the hollow rising portion are not limited to a mode of fixing with a fixing bolt and a nut. It may be fixed by other known fixing means. The rising portion may not be hollow.

  Moreover, a hanging tool is not limited to the above-mentioned form. For example, the main body may have a cylindrical shape, and first and second engaging pieces and suspension pieces may be formed on the upper and lower parts, respectively.

  Furthermore, in the above-described embodiment, the engaging portion is the engaging groove 32 and the engaging claw 39, but the shape of the engaging portion is not limited to this. For example, you may comprise as an engagement hole and an engagement piece.

  In addition, since the above-mentioned roof structure can support a roof panel without providing the support member of a roof panel like the center of the conventional carport by making the roof body A flat, it is simple. It becomes a roof structure. Moreover, since the area which covers the ground and protects from rain is substantially the same as the surface area of the entire roof, the ground can be efficiently covered. Accordingly, the overall weight of the roof A is reduced compared to the rafter-shaped one, and considering the area covering the ground, the load burden on the beam 3 does not increase so much. For example, it covers the garage, the entrance, and the terrace. A large roof structure can be realized, and the roof structure can be used for various purposes.

  In addition, the roof A is flat and only a plurality of rafters 15 appear in parallel on the inside, and the upper part of the beam 3 and the pillar 2 is inconspicuous, so even if the structure is enlarged, it is simple. It is an elegant design, and it is possible to create an interior space that is cozy, comfortable, and comfortable, and extends to the outside.

DESCRIPTION OF SYMBOLS 3 Beam 10 Lifting tool 11 Front frame 12 Rear frame 15 Rafter 16 Roof panel 17 Hanging piece 17a Reinforcement rib 22 Rising part 22a Swelling part 28 Support part 31 Guide surface 32 Engaging groove (engaging part)
33 Screw receiving groove 39 Engaging claw (engaging part)
40 Fixing bolt 41 Nut 42 Panel presser

Claims (4)

A roof structure in which a roof is suspended and supported by a suspension provided on a beam, and a pair of suspension pieces are suspended from both sides of the suspension, and the lower portions of these suspension pieces project obliquely upward. The roof body is provided with rafters that are installed on the front and rear frames of the roof frame and support the roof panel. While forming a rising part along the longitudinal direction, forming an engaging part on both sides of this rising part, and engaging the engaging part of the hanging piece of the hanging tool and the engaging part of the rafter ,
A roof structure characterized in that a bolt is fitted and inserted into a rising portion from the side of the pair of hanging pieces and fixed with a nut .   The roof structure according to claim 1, wherein an engaging portion at a lower portion of the hanging piece is an engaging claw, and engaging portions on both sides of the rising portion are engaging grooves.   The upper end of the rising portion is bulged, and guide surfaces that can be pushed and spread on both ends of the upper end surface of the bulging portion are formed to be inclined. 2. The roof structure according to 2. The roof structure according to any one of claims 1 to 3 , wherein reinforcing ribs are formed on both sides of the pair of hanging pieces.

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