JP3034666B2 - Joint structure of horizontal members for ceiling frames - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a suspended ceiling structure,
The present invention relates to a joint structure of a joint of a ceiling frame horizontal member capable of directly supporting a ceiling plate or equipment for building equipment arranged on a ceiling surface.

[0002]

2. Description of the Related Art In place of a conventionally used double ceiling frame composed of a field support and a field edge, a ceiling frame on one surface in which a frame is arranged on one surface has recently been proposed. As for the ceiling frame on one side, useless ceiling frame members are rarely used, which saves used materials, and since no complicated ceiling frame members are used in the ceiling construction space, air conditioning is applied to the ceiling construction space. When installing plumbing for building equipment, etc., it is easy to use without being disturbed by ceiling frame members, the number of component parts is small, and in many cases, prefabricated materials are used instead of semi-prefabricated members In addition, there are various advantages such as ease of construction and reduction of manual work on site such as blackout work and cutting work, but on the other hand, suspended ceilings are concentrated on a small number of frame members and their joints individually The mechanical load of the structure will be allocated, and it is essential that each framing member and their joints sufficiently bear the load, and at the same time, some of the framing members will appear indoors to finish the finishing members. Form There is a need for consideration, such as not to impair the functional aesthetics of the Luo ceiling. However, in the conventional joint structure of a ceiling frame transverse member on one side, there are considerably many things that are insufficient in the above-mentioned considerations. For example, securing of a predetermined dimension between the transverse members sandwiching the joint portion, assembling work, etc. Often, there are problems with the easiness and the like.

[0003]

The problem to be solved by the present invention is to provide a ceiling frame arranged on one surface capable of directly supporting a ceiling panel or equipment for building equipment arranged on the ceiling surface. In the joint structure of the joints of the horizontal members, it is possible to secure a certain dimension between the horizontal members sandwiching the joint, save the material used with a small number of parts, simplify the construction, and improve the work efficiency. The joint structure of the horizontal frame joints for ceiling frames that can be improved, at the same time the finishing accuracy is high, the linearity between the joined horizontal members is sufficiently maintained, and a beautiful ceiling surface can be formed It is trying to get.

[0004]

Means for Solving the Problems In order to solve the above-mentioned problems, the joint structure of the horizontal member for a ceiling frame according to the present invention has the following main features. In a joint structure of a horizontal member for a ceiling frame having both horizontal members to be joined and a joint member to which the ends of the horizontal member are joined, the joint member has a substantially inverted U-shaped cross section. None, a through hole for a support bolt is provided in the center of the top plate portion, and cut-and-raised pieces cut and raised outward at two locations in the length direction are provided on both side plate portions hanging from both edges of the top wall portion, The cross member has a substantially inverted U-shaped cross section, and through-holes for cut-and-raised pieces into which one of the cut-and-raised pieces is inserted and engaged are provided near both side wall edges hanging down from both edges of the top wall. By providing the joining member, each of the cut-and-raised pieces is inserted into and engaged with the cut-and-raised piece through-hole of each of the horizontal members, and is inscribed and fastened to both of the horizontal members to be fixed. A joint structure of a horizontal member for a ceiling frame, which is characterized by being joined. Further, the joining member is provided with at least two upper protrusions arranged in a row at intervals in the width direction along both end sides in the length direction of the top plate portion, and the transverse member has At least two rows arranged in the width direction corresponding to the position of one side of the upper protrusion at the end of the top wall
A plurality of fixing through-holes are provided, and when the two transverse members are joined, each of the upper protrusions of the joining member is fitted into each of the corresponding fixing through-holes of the transverse member. It is a thing.

[0005]

The joint between the horizontal members is joined to the joint member having a substantially inverted U-shaped cross section by cutting and raising two upwards outward in the length direction at the side plate hanging from both edges of the top plate. Each of the cut-and-raised pieces is inserted into and engaged with each of the corresponding cut-and-raised piece through-holes provided in the vicinity of both side wall edges of the two horizontal members, and the joining member is internally fixed to the horizontal member. However, while maintaining a predetermined dimension in the joint direction by a simple joining operation, the linearity of the entire cross member through the joint portion is maintained, and the axis of the joint portion of the horizontal member is maintained. It shows sufficient resistance to directional displacement. After the ceiling is stretched, from the inside out,
The lower edge of the cross member that is arranged in parallel and contains the equipment for building equipment will appear so as to form a parting band, but the joint joint will maintain linearity It does not detract from functional aesthetics. Further, the joining member is provided with at least two upper protrusions arranged in a row at intervals in the width direction along both end sides in the length direction of the top plate portion, and the transverse member has At least two fixing through-holes arranged in the width direction corresponding to the position of one side of the upper protruding portion are provided at the end of the top wall. In the aspect in which each of the projections is fitted into each of the corresponding fixing through holes of the horizontal member, further securing a certain dimension in the joint direction of the horizontal member, and the entire horizontal member through the joint portion. In addition to improving the function of maintaining linearity, etc., it shows sufficient resistance to the axial displacement of the joint part of the horizontal member and to the bending deformation of the joint part due to the vertical and horizontal stress. . Furthermore, at the time of assembling the ceiling frame, it is only necessary to insert and engage the cut-and-raised piece of the joining member into the cut-and-raised piece through hole of the horizontal member, or in addition to this, the joint member is inserted into the fixed through-hole of the horizontal member By jointly using the fitting of the upper projections, the horizontal member and the joining member are fixed, and when joining the end of the horizontal member to the joining member whose position has not been determined yet. Even if it does, it is possible to release the hand from the joint by the fastening action and shift to another operation, thereby facilitating the assembling operation.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The detailed features of the present invention will be described with reference to the embodiments shown in the accompanying drawings. FIG. 1 is a perspective view showing one embodiment of a joint structure of a horizontal member for a ceiling frame according to the present invention, and FIG. 2 is an exploded perspective view of the embodiment of FIG.
This ceiling frame is hung by a crescent fitting 44 that is adjustably attached to the lower end of a hanging bolt 41 that is suspended and fixed to the ceiling slab at each intersection of the ceiling frame unit lattice. As is apparent from the figure, it is the joining member 10 that is directly suspended by the crescent fitting 44, and the respective ends of the lateral member 20 and the sub-lateral member 33 are directly or indirectly connected to the joining member 10. Are joined together. In the joining structure of the present invention, the joining members 1 located at both ends of the
In order to ensure a predetermined lengthwise assembly dimension with respect to 0, maintain the linearity of the cross member 20 sandwiching the joint member 10 forming the joint portion, and have high rigidity and do not cause deformation. It has a structure of members and parts as described above and their related structures.

The joining member 10 has a substantially inverted U-shaped cross section.
It has a size that is included so as to be substantially inscribed in a cross section of a horizontal member 20 described later. The top plate 11 of the joining member 10 includes
At least two upper projections 12 are arranged in a row along the both longitudinal sides at intervals in the width direction. As will be described later, the upper protruding portion 12 has a role of securing a joint interval between the horizontal members 20 and maintaining linearity in the joint portion of the horizontal member 20, and the like. However, three or more rows may be provided. This upper protrusion 12
Can be easily formed by forming the through-hole peripheral upright portion using the "burrs" generated by the drilling process at this position. On both sides of the top plate 11 on the longitudinal center line, as will be described later, a sub-horizontal member fastening screw hole 13 for fastening a sub-horizontal member 33 that is joined orthogonally to the horizontal member 20.
Are provided, and the screw holes 13 for fastening the two sub-horizontal members of the top plate portion 11 are provided.
A pair of hanging pieces escape holes 14 for fitting the tips of a pair of hanging pieces 37 of the sub-horizontal member 33 described later are provided at positions sandwiching the pieces in the length direction. At the center of the top plate portion 11, a through hole 15 for a support bolt is drilled. As is apparent from FIGS. The joining member 10 is hung by inserting the through-hole 46 and screwing the support bolt nut 48 into the screw groove of the support bolt 47 from above the lower through-hole 46.

[0008] On both side plate portions 16 of the joining member 10, cut and raised pieces 17 cut and raised outward at two locations in the longitudinal direction are provided, and are provided on both side walls 22 of the horizontal member 20 as described later. It can be inserted and engaged with the cut-and-raised piece through-hole 32. As is clear from FIG. 4 and FIG. 5 and the like, since the both side plate portions 16 of the joining member 10 are formed in an outwardly expanding shape below, the front end portion 18 of the cut and raised piece 17 is relatively positioned from the side plate portion 16. The cut-and-raised piece 17 is inserted into the cut-and-raised piece through hole 32 of the horizontal member 20.
It is designed to facilitate the insertion when inserted into the device. According to the present invention, the cut-and-raised piece 17 of the joining member 10 is formed at the material ends of the two horizontal members 20, 20 without sharing other joining means. The joint portion is joined only by being inserted and engaged in the hole 32 and insulatedly joining the joining member 10 to the two lateral members 20, 20, so that the joint portion can be joined. If there is no other joining means, the strength of the entire joining member 10 and the dimensional strength of the cut-and-raised piece 17 are designed to withstand the joining of the joint part by itself. The horizontal member 20 has a substantially inverted U-shaped cross-sectional shape which is effective to reduce the deformation of the horizontal member 20, but a more detailed cross-sectional shape of the horizontal member 20 employed in this embodiment. 4, the horizontal member 20 is composed of a top wall 21 and a top wall 21.
A pair of side walls 22 provided on both sides of
And a horizontal step 23 extending outward from the edge of each side wall 22.
And a vertical wall 2 extending downward from the edge of each horizontal step 23
4 and a horizontal wall 2 extending outwardly from the edge of each of the vertical walls 24
5 and a lip wall 26 extending upward from the edge of each horizontal wall 25.

The horizontal member 20 is used not only as a member for forming a horizontal frame, but also for the top wall 2.
1. Utilizing a downwardly opening space 27 defined by a side wall 22, a horizontal step 23 and a vertical wall 24, a building equipment such as a lighting equipment, an air conditioning equipment, a loudspeaker, a sprinkler, and a smoke detector. It is used as a member that contains and the like. The transverse members 20 are cut to precisely sized lengths so that an accurate unit cell can be formed as a horizontal frame member. As is clear from FIGS. 3 and 6, when the horizontal members 20 are joined to each other to form a joint portion, both side walls 2 at the edges of both horizontal members 20 are attached to the ends of the horizontal members 20.
2 Below, both horizontal steps 23, both vertical walls 24, both horizontal walls 25
Notches 28 are provided so that only the protruding edges 31 located on both lip walls 26 abut against each other, and the edges of the other cross members 20 do not contact. By providing the notch portion 28, a sub-horizontal member fastening screw 39 screwed to the space where the support bolt 47 passes in the top wall of the lateral member 20 or the joining member 10.
Can be obtained, and at the same time, the edges of the two lateral members 20 joined at the joint part are brought into contact with each other except at the protruding edge 31, and the adjacent lateral members 20, There is no gap between the horizontal walls 25, 25 at the lower edge of 20.

[0010] In the vicinity of the edge of the top wall 21 of the horizontal member 20, there are provided hanging piece penetration holes 29 respectively corresponding to one position of the pair of hanging piece escape holes 14 in the joint member 10. The hanging piece 37 of the sub-horizontal member 33 penetrates into the hanging piece penetrating hole 29 to enhance the rigidity of the joint in the transverse member 20 and to maintain and maintain the linearity of the transverse member 20 sandwiching the joint. In order to achieve this, the width of the slit forming the hanging piece penetration hole 29 is made equal to the width of the hanging piece 37. Horizontal material 20 Top wall 21
At least two fixing through-holes 30 are provided in the width direction inside the hanging piece penetration hole 29 corresponding to one position of the upper protrusion 12 of the joining member 10. The upper protrusion 12 of the joining member 10 is fitted into the fixing through hole 30,
Since the length of the side of the unit lattice is determined by the horizontal member 20 and the linearity of the joint of the horizontal member 20 is intended to be ensured, the size of the fixing through-hole 30 is limited to the upper protrusion 12. Perforated to match the dimensions of

A cut-and-raised piece through hole 32 into which one of the cut-and-raised pieces 17 of the joining member 10 is inserted and engaged is provided in the vicinity of the edge of both side walls 22 of the horizontal member 20. The cut-and-raised pieces 17 of the joining member 10 are inserted and engaged with the cut-and-raised piece through holes 32, respectively, to secure predetermined dimensions of the transverse members 20, 20 sandwiching the joint portion, and to secure the transverse members 20, 20 sandwiching the joint portion. 20 is intended to ensure the linearity of the cut-and-raised piece 3.
The width of 2 is perforated so as to match the width of the cut and raised piece 17. A sub-horizontal member 33 which forms a ceiling frame orthogonal to the lateral member 20
Has a substantially U-shaped cross section, but a member having a smaller cross section than that of the horizontal member 20 is usually used. Sub-horizontal member 3
3 has a through hole 35 for fixing a sub-horizontal member at the end of the upper surface 34 corresponding to the position of the screw hole 13 for fixing the sub-horizontal member of the joining member 10. At the ends of both side surfaces 36, a hanging piece 37 corresponding to the position of the hanging piece escape hole 14 of the joining member 10 and the hanging piece penetrating hole 29 of the transverse member 20, and an inner side lower than the hanging piece 37. An abutting edge 38 is provided so as to cut out the ends of both side surfaces 36.

As is apparent from FIG. 4, when the hanging piece 37 is penetrated and engaged with the hanging piece penetration hole 29 of the horizontal member 20, the tip of the hanging piece 37 is loosely inserted into the hanging piece escape hole 14 of the joining member 10. In this state, the abutment edge 38 abuts against the side wall 22 of the cross member 20, and the abutment by the abutment edge 38 serves to maintain the linearity of the cross member 20 to be joined. Useful. In order to fix the sub-horizontal member 33 at a predetermined position, a sub-horizontal member fastening screw 39 is used. The sub-horizontal member fixing screw 39 is inserted into the sub-horizontal member fixing through-hole 35 of the sub-horizontal member 33 to join the joining member 1.
No. 0 is screwed into the auxiliary horizontal member fixing screw hole 13. In this embodiment, as is clear from FIGS. 5 and 6, a thumb bolt is used for the auxiliary horizontal member fixing screw 39, and the tightening can be easily performed manually without using a tool. . By tightening the auxiliary horizontal member fixing screw 39, the horizontal member 2
Penetration into the hanging piece penetration hole 29 at 0 and the contact edge 3
8 is fixed to the horizontal member 20 against the side wall 22 and
Since the top wall 21 of the horizontal member 20 is sandwiched between the end of the sub-horizontal member 33 and the joining member 10, the upper protrusion 12 of the joining member 10 is fixed to the horizontal member 20. Through hole 30
And the engagement of the cut-and-raised piece 17 in the joining member 10 with the cut-and-raised piece through-hole 32 in the horizontal member 20 is also fixed. Are prevented from separating.

Next, a ceiling frame suspension structure employed in the present embodiment will be described. As is apparent from FIG. 5, a suspension bolt 41 for suspending the ceiling frame is provided at the intersection of the unit lattice of the ceiling frame with the ceiling slab. The crescent fitting 44 attached to the lower end of the suspension bolt 41 has a U-shape in a side view. An upper slot 45 is provided on the upper side and a lower through-hole 46 is provided on the lower side. By tightening the upper and lower nuts 42 and 43 screwed to the suspension bolt 41, the crescent fitting 44 can be fixed to the suspension bolt 41 so as to be freely adjustable in the vertical and horizontal directions. The lower bolt 46 is further inserted with a support bolt 47 inserted from below through the through bolt hole 18 of the joining member 10, and a nut 48 is screwed from above the lower through hole 46 to join the crescent fitting 44. The member 10 can be fixed. In the figure, reference numeral 50 denotes a cover plate for covering the joint portion of the horizontal member 20 from below, and reference numeral 51 denotes a ceiling panel having a metal-finished surface 52, both ends of which are vertical edges. A folded hooking edge 54 is formed following the 53, and the folded hooking edge 5 of the ceiling panel 51 is attached to the opposed lip walls 26, 26 of the horizontal member 20 arranged in parallel.
The ceiling panel 51 is laid with the lock of the ceiling panels 4 and 54.

In order to assemble a suspended ceiling frame using the above-described members and parts, first, a crescent fitting 44 is attached to hanging bolts 41 fixedly suspended from the ceiling slab, and further, the joining member 10 is attached to the crescent fitting 44. . Next, the upper projecting portion 12 of the joining member 10 is fitted into the fixing through hole 30 of the horizontal member 20, and the cut and raised piece 17 of the joining member 10 is inserted into the cut and raised piece through hole 32 of the horizontal member 20. Then, the joining member 10 is fixed to the inside of the end of the horizontal member 20. Furthermore, sub-horizontal member 3
3 and the hanging piece 37 with the hanging piece penetration hole 29 of the horizontal member 20.
Then, the sub-horizontal member fastening screw 39 is screwed into the sub-horizontal member fastening screw 39 from the sub-horizontal member fastening through-hole 35 through the hanging piece escape hole 14 of the joining member 10. . At the time of assembling the ceiling frame, the cut-and-raised piece of the joining member 10 is only inserted and engaged with the cut-and-raised piece through-hole 32 of the horizontal member 20, or in addition thereto, the fixing hole of the horizontal member 20 is fixed. By jointly fitting the upper projection 12 of the joining member 10 to 30,
The horizontal member 20 and the joining member 10 are fixed, and even when the end of the horizontal member 20 is joined to the joint member 10 whose position has not been determined yet, the joining operation is performed by the fixing operation. It is possible to release the hand from the part and shift to another operation, thereby facilitating the assembling operation.

[0015]

The present invention has the following effects. A. The joint between the horizontal members is formed by cutting and raising two upwardly outwardly extending lengthwise portions of a side plate portion hanging from both edges of a top plate portion of a joining member having a substantially inverted U-shaped cross section. Are respectively inserted into and engaged with the corresponding cut-and-raised piece through-holes provided in the vicinity of both side wall edges of both the cross members, and the joining member is inscribedly fixed to the cross members. However, at the same time, a predetermined dimension in the joint direction is secured by simple joining work, and at the same time, the linearity of the entire cross member through the joint portion is maintained, and the displacement of the joint portion of the horizontal member in the axial direction is reduced. Also shows sufficient resistance. After the ceiling is stretched, when viewed from indoors, the lower edge of the horizontal member, which is arranged in parallel and contains the equipment for building equipment, appears to form a parting band. Since the joint joint is designed to maintain linearity, the functional appearance is not impaired. B. In the joining member, at least two upper protrusions arranged in a row in the width direction along both ends in the length direction of the top plate portion are provided, and in the horizontal member,
At the end of the top wall, at least two fixing through-holes arranged in the width direction corresponding to the position of one side of the upper protruding portion are provided. In a mode in which each of the upper protrusions is fitted into each of the fixing through holes corresponding to the horizontal member, further securing a certain dimension in the joint direction of the horizontal member, the entire horizontal member via the joint portion Not only to improve the function of maintaining the linearity of the joint, but also to have sufficient resistance to the axial displacement of the joint part of the horizontal member and to the bending deformation of the joint part due to the vertical and horizontal stress. Show. C. At the time of assembling the ceiling frame, only the cut-and-raised piece of the joining member is inserted and engaged in the cut-and-raised piece through-hole of the horizontal member, or in addition to this, the upper protrusion of the joint member is inserted into the fixed-hole of the transverse member. By jointly fitting the parts, the horizontal member and the joining member are fixed, and the end of the horizontal member is joined to the joining member whose position is not yet determined. Also, it is possible to release the hand from the joint by the fastening action and shift to another operation, thereby facilitating the assembling operation.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a joint structure of a horizontal member for a ceiling frame according to the present invention.

FIG. 2 is an exploded perspective view of the embodiment of FIG.

FIG. 3 is a partially cutaway plan view of the embodiment of FIG. 1;

FIG. 4 is a sectional view taken along line AA of FIG. 3;

FIG. 5 is a sectional view taken along line BB of FIG. 3;

FIG. 6 is a sectional view taken along the line CC of FIG. 3;

FIG. 7 is a perspective view of a joining member used in the embodiment of FIG.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 Joining member 11 Top plate part 12 Upper projecting part 15 Through hole for support bolt 16 Side plate part 17 Cut-and-raised piece 20 Horizontal member 21 Top wall 22 Side wall 23 Horizontal step part 24 Vertical wall 25 Horizontal wall 26 Lip wall 27 Space 30 For fixing Through hole 32 Through hole for cut and raised piece

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-3-51455 (JP, A) JP-A 48-28210 (JP, U) JP-A 62-135721 (JP, U) JP-A 63-135721 54709 (JP, U) JP-A 2-144913 (JP, U) JP-A 2-18805 (JP, U) JP-A 62-63312 (JP, U) (58) Fields surveyed (Int. Cl. ⁷ , DB name) E04B 5/55 E04B 5/58

Claims (3)

(57) [Claims] 1. A joint structure for a ceiling frame transverse member, comprising a pair of transverse members to be joined and a joint member to which an end of the transverse member is joined, wherein the joint member has a substantially cross section. Inverted U-shape, through-holes for supporting bolts are provided in the center of the top plate portion, and cut-and-raised pieces cut upward and outward at two places in the length direction on both side plate portions hanging from both edges of the top wall portion. The cross member has a substantially inverted U-shaped cross section, and one of the cut-and-raised pieces is inserted and engaged with each of the cut-and-raised pieces in the vicinity of both side wall edges hanging down from both edges of the top wall. By providing a through hole for one piece, the joining member is inserted and engaged with each of the cut and raised pieces in the through hole for the cut and raised piece of both transverse members, and is inscribed and fixed to both transverse members, A joint structure for a transverse member for a ceiling frame, wherein the two transverse members are joined. 2. The cross member comprises a top wall, a pair of side walls provided to face both edges of the top wall downward, and a horizontal step extending outward from each side wall edge. A vertical wall extending downward from each horizontal step edge, a horizontal wall extending outward from each vertical wall edge, and a lip wall extending upward from each horizontal wall edge is formed from a profile. The top wall,
The joint structure for a horizontal member for a ceiling frame according to claim 1, further comprising a space capable of containing a building equipment tool defined by the side wall, the horizontal step portion, and the vertical wall. 3. The joining member is provided with at least two upper projections arranged in a row in the width direction along both ends in the length direction of the top plate portion. Is provided with at least two fixing through-holes arranged in the width direction corresponding to the position of one side of the upper protruding portion at the end of the top wall. 3. The joint structure for a ceiling frame transverse member according to claim 1, wherein each of the upper projecting portions is fitted into a corresponding one of the fixing through holes of the horizontal member. 4.