JP3831244B2 - Horizontal material joining device - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to a horizontal member joining apparatus that is applied to join horizontal members such as beams and girders of a wooden building to structural members such as columns and trunks.
[0002]
[Prior art]
In order to join horizontal members such as beams and girders to structural members such as columns and trunk differences, for example, a joint metal type described in Japanese Utility Model Publication No. 4-20503 is mainly used instead of the so-called mortise joining method. It is becoming.
[0003]
[Problems to be solved by the invention]
Since the structure described in the above publication is based on the fact that a joining metal fitting is attached to the side surface of the structural material and a slit provided on the end face of the horizontal member is engaged and joined to the joining metal fitting, When shipping from factories, etc., it is inconvenient in transportation and handling if the joints protrude from the side of the structural wood, so it is necessary to attach the joints to the wood at the site. Various inconveniences such as prolonged construction period occur.
[0004]
The present invention has been devised to provide an apparatus that can avoid the disadvantages of the conventional example as described above as much as possible and can reliably join the horizontal members.
[0005]
[Means for Solving the Problems]
A pair of steel fittings made of steel plate are fixed to the end of a horizontal member such as a beam by being overlapped with the inside of the side wall of the engagement groove provided at the end, and the upper end side between the joint hardware In addition, a latching rod is erected through the horizontal member, and is projected on a side surface of a structural material such as a column or a trunk, and the latching rod is latched on a protrusion interposed between the joint hardware. Is.
In addition, concretely this structure, a pair of joint hardware consisting of an assembly piece and a locking piece provided continuously at the tip of the assembly piece is connected to the end of a horizontal member such as a beam. The assembly piece is overlapped and fastened to the side wall of the engagement groove of the lower end opening provided in the door, and a latching rod is installed between the assembly pieces of the joint metal piece through the horizontal member above the distal end side. And a first protrusion for receiving and supporting the hooking rod in a state of passing through the gap between the locking pieces facing each other, and the assembly in a state of passing through the gap below the first protrusion. An appropriate number of second protrusions interposed between the pieces are provided on the side surfaces of the structural material such as columns and trunks, and the second hooks and the first protrusions are hooked on the second protrusions. There is also a means in which each fitting insertion hole of the locking rod that locks to the lower edge of one or both of the second protrusions is arranged horizontally on the side surface of the end portion of the horizontal member.
[0006]
【Example】
The drawings show an embodiment of a horizontal member joining apparatus according to the present invention. FIG. 1 is a longitudinal sectional view, FIG. 2 is a transverse sectional view, and FIG.
[0007]
In the joining apparatus of the embodiment, a pair of joining hardware A, A is attached (fixed) to one side of the horizontal member (in the embodiment, it may be a beam), and the joining hardware A and the structural material (in the embodiment) The first projecting member 3 and the second projecting member 4 provided on the second side are combined with each other, and the horizontal member 1 is joined to the structural member 2.
[0008]
The metal joint A is composed of a steel plate cross-section L-shaped body composed of a vertically rectangular assembly piece 5 and a locking piece 6 provided with the tip of the assembly piece 5 bent in a bent shape. A pair of first through holes 7, 7, 7, 7, 7, 7 are provided at the front end of the locking piece 6 and three second through holes 7A, 7A, 7A are provided at the rear end. It is symmetrical and can be used freely by selecting left and right sides.
[0009]
Further, the joining hardware A of the embodiment is intended to reduce the manufacturing cost and inventory management cost of the joining hardware A so as to be applicable to either the left or right side facing the end surface 1a of the horizontal member 1. However, if these points are ignored, it is not inconvenient to use joint hardwares dedicated to the left and right sides (for example, the positions of the through holes 7 and 7A are provided asymmetrically in the vertical direction).
[0010]
The first through holes 7, 7, 7, 7, 7, 7 in the pair of three groups are always used in the upper side and may be used in the lower side. As shown, in the embodiment, the lower side of the lowest group (of the joint hardware A in which the application direction is determined by selecting the left and right sides) is used.
[0011]
On the side surface of the end portion 1 ′ of the horizontal member 1, a position that coincides with the upper one 7 in the first through holes 7, 7 of each set provided on the tip end side of the assembly piece 5. First fitting insertion holes 8, 8, 8 are provided, and the lowermost first fitting insertion hole 8 (indicated by reference numeral 8 a for convenience) in the first fitting insertion holes 8, 8, 8 It corresponds to the first through hole 7 (indicated by reference numeral 7a for convenience) corresponding to the insertion hole 8 (indicated by reference numeral 8a) and the lower side through hole 7 (indicated by reference numeral 7b for convenience) constituting the set. The other first insertion hole 8 (indicated by reference numeral 8b for convenience) is provided at the position, while the rear end side of the side surface of the end portion 1 ′ is provided on the rear end side of the assembly piece 5. Second fitting insertion holes 8A, 8A, 8A are provided laterally at positions corresponding to the two through holes 7A, 7A, 7A.
[0012]
In addition, the end surface 1a of the horizontal member 1 is provided with an engaging groove (vertical groove) 9 having a lower end opening so as to intersect with the fitting insertion holes 8 and 8A, and the engaging groove 9 is provided on the structural material 2 side. A pair of grooves 9a having a depth that can be engaged with the projecting first and second protrusions 3 and 4 and the corners of the inner wall of the groove 9a are partially extended. It is composed of slits 9b, 9b, and the engagement member 9 is engaged with a pair of metal fittings A, A selected in the desired direction to fix the horizontal member 1 (the end 1 'thereof) as described above. It is. That is, the metal fitting A is inserted into the slit portion 9b of the engagement groove 9 with the assembly piece 5 portion inserted, and the locking piece 6 portion is arranged in the groove portion 9a. The provided second through hole 7A and the second fitting insertion hole 8A provided on the side of the horizontal member 2 are made to coincide with each other, and the fixing rod 10 constituted by a drift pin is made to coincide with the first through hole 7 and the first A first latching rod 11 which is a topmost latching rod composed of drift pins is driven into the topmost one of the fitting insertion holes 8, and is inserted and fixed to the end of the horizontal member 1. Formed on the end surface 1a side of the frame 1 is a gap 12 composed of locking pieces 6 and 6 projecting from the assembled pieces 5 and 5 in a direction opposite to each other. Longitudinal direction of the first hanging rod 11 and the horizontal member 1 positioned at the uppermost position installed through the horizontal member 1 between the assembly pieces 5 and 5 (joint metal parts A and A) in the upper part It is not overlapping in.
[0013]
The first and second protrusions 3, 4 pass through the structural material 2, and are on the head side of a bolt rod 15 attached by screwing a nut 14 to a screw portion 13 protruding from the structural material 2. In the longitudinal direction, the positional relationship is set relatively to the gap 12 or the first through-hole 7 or the first insertion hole 8 on the side surface of the structural member 2 (the surface facing the horizontal member 1). The first protrusion 3 is the same as the first latching rod 11 (the uppermost first through hole 7 and the first fitting insertion hole 8), and the second protrusion 4 is other than the uppermost one. The first through hole 7 (7a, 7b) and the other first fitting insertion holes 8 (8a, 8b) other than the uppermost one are protruded from the structural member 2 respectively.
[0014]
Tapered edges 3 ′ and 4 ′ (comprising a truncated cone) provided on the protrusions 3 and 4 serve to draw the horizontal member in the direction of the structural material 2, and the taper of the first protrusion 3. When the first latching rod 11 is placed on the edge 3 ', the latching rod 11 moves in the direction of the structural material 2 while descending due to the inclination thereof, and the horizontal member 1 to which the joining bracket A is attached is in the direction of the structural material 2 Also, in the case of the tapered edge 4 ′ of the second protrusion 4, the first through-hole 7 (7 a, 7 a, provided in the joint fitting A so that a part of the tapered edge 4 ′ overlaps. 7b) When the second latching rod 11A or the latching rod 16 is inserted through (except the uppermost one), the latching rod 11A or the latching rod 16 relatively presses the taper edge 4 'and The tapered edge 4 ′, that is, the second protrusion 4, which is inserted through the one through-hole 7 (7 a, 7 b) and is pressed by the second retaining rod 11 A or the like, is stationary. Therefore, the joining bracket A to which the second latching rod 11A and the like are assembled, that is, the horizontal member 1 side moves in the direction of the structural member 2, and the horizontal member 1 to which the joining bracket A is attached moves in the direction of the structural member 2. Will be attracted.
[0015]
And the 1st protrusion 3 and the 2nd protrusion 4 which protruded in the structural material 2 in the gap | interval 12 (consisting of the locking pieces 6 and 6) provided by fixing the joining metal fitting A to the horizontal member 1 are provided. When the horizontal member 1 is lowered along the side surface of the structural member 2 so as to be relatively engaged, the first hooking rod 11 disposed on the upper side of the gap 12 is hooked on the first protrusion 3. The horizontal member 1 is received by the first protrusion 3 via the hooking rod 11 and temporarily joined to the structural member 2. In this state, when the second retaining rod 11A is driven into the first through hole 7 (7a, 7b) and the first fitting insertion hole 8 which are in communication with each other, and inserted, the second retaining rod 11A becomes the horizontal member 1. The load is applied to the second protrusion 4 so that the load resistance strength can be obtained.
[0016]
The locking rod is inserted into the lowest first through hole 7 (indicated by reference numeral 7b) and the first fitting insertion hole 8 (indicated by reference numeral 8b) at the same time as the driving operation of the second hooking rod 11A. When 16 is driven and inserted, the locking rod 16 is placed horizontally on the horizontal member 1 at a position in contact with the lower edge of the second lowest protrusion 4, and an external force is applied to the horizontal member 1 from below. The locking rod 16 is locked to the lower second protrusion 4 to prevent the horizontal member 1 from being lifted.
[0017]
In addition, the number of the second protrusions 4 (the second through holes 7 and the second fitting insertion holes 8 corresponding thereto) may be appropriately selected, and an appropriate number may be selected and used. The first and second hooks 11 and 11A may be provided corresponding to all or appropriate ones of the protrusions (all of the first protrusions 3 and the second protrusions 4 in the embodiment). It need not be limited to example placement).
[0018]
FIG. 17 shows a locking rod provided on the head side (the protrusions 3 and 4 side) of the bolt rod 15. The locking rod 17 is locked to the side surface of the structural member 2, so that each protrusion 3. , 4 can be arranged at the designed positions.
[0019]
【The invention's effect】
As described above, the present invention attaches the joining bracket to the end face side of the wood, so there is no inconvenience in transportation, and as in the conventional example, the horizontal member can be reliably joined to the structural material. It is possible to provide a joining apparatus having a novel structure that can be made.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view.
FIG. 2 is a cross-sectional view.
FIG. 3 is a perspective view of a reinforcing metal fitting.
[Explanation of symbols]
A Joining hardware 1 Horizontal member 1 'End 2 Structural material 3 First protrusion 4 Second protrusion 5 Assembly piece 6 Locking piece 8 Insertion hole 9 Engaging groove 11 Hanging rod 11A Second hanging rod 12 Gap 16 Locking rod

Claims (2)

  A pair of steel fittings made of steel plate are fixed to the end of a horizontal member such as a beam by being overlapped with the inside of the side wall of the engagement groove provided at the end, and the upper end side between the joint hardware In addition, a latching rod is erected through the horizontal member, and is projected on a side surface of a structural material such as a column or a trunk, and the latching rod is latched on a protrusion interposed between the joint hardware. , Horizontal material joining device.   An engagement groove of a lower end opening provided at the end of a pair of metal fittings composed of an assembly piece and a locking piece provided at the tip of the assembly piece at the end of a horizontal member such as a beam The assembly pieces are overlapped and fixed to the side walls of the joint metal, and a latching rod is installed between the assembly pieces of the joint hardware through the horizontal member above the distal end side, and the latching rods are relative to each other. A first protrusion that is supported in a state of passing through a gap between the locking pieces, and an appropriate number of first protrusions interposed between the assembly pieces in a state of passing through the gap below the first protrusion. Two protrusions are provided on the side surfaces of the structural material such as pillars and trunk differences, and the second hooks that are hooked to the second protrusions and one or both of the first protrusions and the second protrusions. A joining apparatus for horizontal members, in which respective fitting insertion holes of the locking rods to be engaged with the lower edge are provided horizontally on the side surface of the end portion of the horizontal member.

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