JP2003328438A - Horizontal member connecting device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a connecting device which has a novel structure and ensures connection of a horizontal member to a structural member. <P>SOLUTION: The connecting device is formed of a pair of joint metals A, a hook rod 11, a second hook rod 11A, a first protrusion 3, second protrusions 4, and an engaging rod 16. Each joint metal A is formed of a setup piece 5 and an engaging piece 6 which is a folded portion of the setup piece to overlap the tip of the setup piece 5. The joint metals A are installed in an engaging slot 9 longitudinally formed in the horizontal member 1, by superposing the setup pieces 5 on side walls of the slot 9, and engaging the engaging pieces 6 with an edge 1' of the horizontal member 1 with a gap therebetween. The hook rod 11 is erected across tip-side upper portions of the joint metals A through the horizontal member 11. The first protrusion 3 having a head and second protrusions 4 each having a head and interposed between the setup pieces 5, 5 at locations below the first protrusion 3 through the gap 12, are protruded from a side surface of the structural member 2 such as a column or a girth. Then, fitting holes 8 for the second hook rod 11A and the engaging rod 16 are horizontally formed in a side surface of the edge of the horizontal member. The second hook rod 11A is hooked on an intermediate portion between the second protrusions 4, and the engaging rod 16 engages with a lower edge of an intermediate portion of either or both of the first and second protrusions 3, 4. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a horizontal crossing member joining apparatus which is used to join a horizontal crossing member such as a beam or a girder of a wooden building to a structural material such as a pillar or a body difference.

[0002]

2. Description of the Related Art As a method of joining a horizontal member to a structural material, instead of a so-called tenon joining method, for example, an actual flat plate 4
The joining metal fitting type as described in Japanese Patent Publication No. 20503 is becoming mainstream.

In this conventional example, a supporting plate is provided in a horizontal direction and a fitting plate is provided in a vertical direction on a surface of a substrate which is fitted into a recess provided in a structural material and is fastened to the structural material. The fitting plate is relatively fitted into the slit provided on the side, the end of the horizontal member is placed on the support plate, and the horizontal member and the fitting plate are fastened to each other by pins so that the horizontal member is fixed to the horizontal plate. It is used to join a frame to a structural material.

[0004]

The above-mentioned conventional example uses the joining metal fitting having a complicated structure in which the supporting plate is provided in the horizontal direction and the fitting plate is provided in the vertical direction on the surface of the substrate. However, it is not always satisfactory in terms of manufacturing or handling of the joint fitting.

The present invention simplifies the fitting as much as possible,
It was created with the object of providing a joining device that can achieve cost reduction.

[0006]

[Means for Solving the Problems] A joining piece is composed of an assembling piece and a locking piece that is continuously provided at the tip of the assembling piece, and the pair of joining pieces is attached to an end face of a horizontal member such as a beam. The assembly piece is superposed on the side wall of the engaging groove of the vertically provided lower end opening, and the locking piece is fixed to the end portion of the horizontal member so as to face each other with a gap, A latching rod is installed between the upper part of the assembly piece of the joining piece, which overlaps with the locking piece on the tip side, through the horizontal member, and the latching rod is received in an intermediate portion through the gap. A first protrusion with a head to support, and an appropriate number of second protrusions with a head, which are below the first protrusion and are interposed between the assembling pieces while passing through the gap, A second hooking rod protruding from a side surface of a structural material such as a pillar or a body gap and hooked at an intermediate portion of the second protrusion, and an intermediate portion of one or both of the first and second protrusions. Under the department As a basic means, each fitting insertion hole of the locking rod that is locked to the side is provided on the side surface of the end of the horizontal member, and the joining metal piece is folded back to the assembly piece and the tip of the assembly piece. By configuring with a locking piece that overlaps with the shape,
The contact area of the locking piece with the first and second protrusions is increased, and rattling can be reduced. Further, between the assembling piece and the locking piece,
The load can be supported by two plates, so to speak, so that the joint strength can be increased, and the spring function of the locking piece can be used to improve the followability to the protrusion. Then, a taper edge having a gradually increasing diameter in the front end direction of the head is provided on the circumferential side of the rear end of the head of each of the first and second prongs, and a taper edge is provided at a position in contact with the taper edge. The first and second latching rods, the locking rod, and the locking piece are wholly or partially arranged, so that the locking piece has a spring function and the horizontal member is pulled toward the structural material. Can be reliably performed.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The drawings show an embodiment of a joining device for horizontal members according to the present invention. FIG. 1 is a longitudinal sectional view, FIG. 2 is a lateral sectional view, and FIG. 3 is a partially enlarged view of FIG. 4, FIG. 4 is a partially enlarged cross-sectional view of FIG. 1, FIG. 5 is a partial cross-sectional view of a joining fitting, FIG. 6 is a perspective view of the joining fitting, and FIG. 7 is a perspective view of a second embodiment of the joining fitting. 8 is a perspective view of the third embodiment of the joint fitting, and FIG. 9 is a partial enlarged cross-sectional view of the joint fitting of the third embodiment.

In the joining apparatus shown as the embodiment, a pair of joining hardware A, A is attached (fixed) on the side of a horizontal member (an embodiment is a beam, but it may be a girder), and the joining hardware A and a structural material. (The embodiment is a pillar, but it may be a cylinder difference) The first rod 3 and the second rod 4 provided on the 2 side are attached to the horizontal member 1 through the joining metal A, and the hook rod 11, 11A and the locking rod 16 are used to assemble each other, and the horizontal member 1 is attached to the structural member 2
Is to be joined to.

The joint metal A is composed of a vertically rectangular assembly piece 5 and a locking piece 6 which is connected to the tip of the assembly piece 5 in a folded-back manner and is engaged with the tip of the assembly piece 5. A pair of through holes 7,7,7,7,7,7, and three through holes 7A, 7A, 7A at the rear end are provided symmetrically in the vertical direction so as to penetrate the piece 6 Is selected so that it can be used freely (therefore, the pair of joining metal parts A, A attached to the horizontal member 1 have the same form).

The separation width between the pair of through holes 7, 7 is set to be substantially the same as the diameter of the intermediate portion of the protrusions 3, 4 and is narrower than the diameter of the heads of the protrusions 3, 4. Therefore, by fitting the latching rods 11 and 11A or the locking rods 16 into the pair of through holes 7 and 7, the horizontal member 1 can cope with pulling applied.

Further, the joint metal A of the embodiment can be applied to either the left or right side facing the end face 1a of the horizontal member 1 to reduce the manufacturing cost and the inventory control cost of the joint metal A. As shown in the drawing, if these points are ignored, there will be no inconvenience even if the left and right hand-dedicated joining metal parts (for example, the through holes and the positions of the through holes 7A are provided vertically asymmetrically).

The pair of through holes 7, 7, 7,
7, 7, 7 and 7 are always used in the higher order side in each group, and may always use the lower order side, but as shown in FIG. 1, in the embodiment, the lower order side one (left and right) is used. (For the joint metal A that has been selected by hand and decided the application direction)
I use only.

On the side surface of the end 1'of the cross member 1, a position corresponding to the upper one 7 of the through holes 7, 7 of each set provided on the front end side of the metal joint A is set. First insertion hole 8,
8 and 8 are provided, and the fitting insertion hole 8 (reference numeral 8a is provided below the lowest first fitting insertion hole 8 (reference numeral 8a for convenience) of the first insertion insertion holes 8, 8 and 8). The through hole 7 corresponding to
Another first fitting insertion hole 8 (indicated by reference numeral 8b for convenience) is provided at a position corresponding to (for convenience, indicated by reference numeral 7a) and the lower-side through hole 7 (for convenience indicated by reference numeral 7b). On the other hand, on the rear end side of the side surface of the end portion 1 ′, the second fitting insertion hole 8 A, which is located at the position corresponding to the through holes 7 A, 7 A, 7 A provided on the rear end portion side of the assembly piece 5, 8A and 8A are provided horizontally.

Further, an engaging groove (vertical groove) 9 having a lower end opening is provided on the end surface 1a of the horizontal member 1 in a direction intersecting with the fitting insertion holes 8 and 8A, and the engaging groove 9 is a structural member. A groove portion 9a having a depth width with which the first and second protrusions 3 and 4 protruding from the second side can be engaged, and the groove portion 9a is partially extended at both corners of the inner wall of the groove portion 9a. A pair of slits 9b, 9b, and a pair of the metal fittings A, A having a self-selecting direction selected for the engaging groove 9 so that the assembly piece 5 is superposed on the side wall of the engaging groove 9. As described above, the horizontal member 1 (end 1 of
´) is fixed. That is, the joining hardware A is provided on the rear end side of the assembling piece 5 such that the assembling piece 5 is fitted into the slit 9b of the engaging groove 9 and the engaging piece 6 is arranged in the groove 9a. The through hole 7A and the second fitting insertion hole 8A provided on the side of the horizontal member 2 are aligned with each other, and the fixed rod 10 formed of the drift pin is also aligned with the through hole 7 and the first fitting insertion hole 8 The first hooking rod 11 which is the highest hooking rod composed of a drift pin is driven into each of the uppermost ones, fitted and inserted and fixed to the end of the horizontal member 1, and the end face 1a of the horizontal member 1 Formed on the side is a gap 12 composed of engaging pieces 6 and 6 that project from the assembling pieces 5 and 5 in the direction opposite to each other so as to project, and are orthogonal (cross) to the gap 12. Thus, the first hooking rod 11 is arranged.

The first and second protrusions 3 and 4 penetrate the structural member 2 and are protruded from the structural member 2.
It is configured by the head side of the bolt rod 15 which is attached by screwing the nut 14 onto the side surface of the structural member 2 (a surface facing the horizontal member 1).
The first protrusion 3 is arranged in parallel in the longitudinal direction with a positional relationship set relative to the gap 12 or the through hole 7 or the first fitting insertion hole 8.
Is the first hooking rod 11 (the uppermost through hole 7 and the first fitting insertion hole 8), and the second protrusion 4 is a through hole 7 other than the uppermost one.
(7a, 7b) and other first fitting insertion holes 8 other than the uppermost one
(8a, 8b) so as to match with the structural material 2
It is the one protruding from.

The rear ends of the heads of the first and second protrusions 3 and 4 (the same as the heads of the bolt rods 15 in the embodiment) are made into a (concave) frustoconical shape. On the circumferential side of the rear end portion, a taper edge 3 having a diameter gradually increasing in the front end direction of the head portion.
′ And 4 ′ are provided, and the heads of the protrusions 3 and 4 have a diameter larger than the width of the gap 12.

This taper edge 3 ', 4 provided on the protrusions 3, 4
′ (Constituted by a truncated cone shape) has a function of pulling the horizontal member in the direction of the structural member 2 and has a tapered edge 3 of the first protrusion 3.
When the first hooking rod 11 is mounted on the ′ ′, the tilting rod causes the hooking rod 11 to move downward in the direction of the structural member 2 and the horizontal member 1 to which the fitting A is attached pulls in the direction of the structural member 2. Further, in the case of the tapered edge 4'of the second protrusion 4, the through holes 7 (7a, 7b) (maximum) provided in the joining metal fitting A so that the tapered edges 4'partly overlap each other. When the second hooking rod 11A or the locking rod 16 is inserted into the upper one (excluding the upper one), the hooking rod 11A or the locking rod 16 relatively presses the tapered edge 4'and the through hole 7 (7a). , 7b), and the taper edge 4'that is pressed by the second hooking rod 11A or the like, that is, the second protrusion 4 is in the stationary state, so that the second hooking rod 11A or the like is attached. Metal fitting A, that is, horizontal material 1
The side moves in the direction of the structural material 2, and the horizontal member 1 to which the joining metal fitting A is attached is drawn in the direction of the structural material 2.

The tapered edges 3'and 4'are brought into pressure contact (due to the elastic action of the locking piece 6) with the bent free end of the locking piece 6 to form the locking piece 6. A stable assembly condition can be obtained.

Then, the structural member 2 is provided in the gap 12 (composed of the locking pieces 6 and 6) in which the joining metal fitting A is fixedly attached to the horizontal member 1.
When the horizontal member 1 is lowered along the side surface of the structural member 2 so that the intermediate portions of the first and second protrusions 3 and 4 projecting on the upper surface of the structure 3 are relatively engaged, The first hooking rod 11 arranged on the first hook 3 is hooked on the first strut 3, and the horizontal member 1 is received by the first strut 3 via the first hooking rod 11 and temporarily joined to the structural member 2. (Note that when the width of the gap 12 is made slightly narrower than the diameter of the intermediate portion of the first and second protrusions 3 and 4, the protrusions 3 and 4 are forced, that is, the locking pieces 6 When the locking pieces 6 and 6 are pressed against each other due to elastic deformation of the first and second levers 6 and 6 and relatively move in the gap 12, the first hooking rod 11 at the end of the movement is hooked on the first protrusion 3, The protrusions 3 and 4 are sandwiched by the locking pieces 6 and 6, and the "temporary joining" state is stable.

In this state, the through holes 7 which are in communication with each other
When the second hooking rod 11A is driven into (7a, 7b) and the first fitting insertion hole 8 and fitted and inserted, the second hooking rod 11A is brought into pressure contact with the taper edge 4'of the second protrusion 4 (inclination of the taper edge 4). Depending on the shape)
As a result, the horizontal member 1 is pulled toward the structural member 2 and the second hooking rod 11A is placed horizontally on the horizontal member 1 and fixed to the position where it is received by the second protrusion 4. Then, the load on the side of the horizontal member 1 is applied to the second projecting member 4, and the withstand load strength can be obtained.

Further, before and after the driving operation of the second hooking rod 11A, the locking is performed in the lowest through hole 7 (indicated by reference numeral 7b) and the first fitting insertion hole 8 (indicated by reference numeral 8b). When the rod 16 is driven in and inserted, the locking rod 16 becomes the lowest second protrusion 4
The horizontal rod 1 is provided horizontally on the horizontal member 1 so as to be in contact with the lower edge of the horizontal rod 1. When 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 cross the horizontal member 1. Lifting of 1 is prevented.

By the way, after the first locking rod 11 is locked to the first protrusion 3, the lowest first fitting insertion hole (8) indicated by reference numeral 8b and the lowest through hole (7) indicated by reference numeral 7b. ) Locking rod 16
The horizontal member 1 may be substantially fixed to the structural member 2 by driving and fitting, and then the second retaining rod 11A may be fitted and driven into the through hole 7 or the like.

The number of the second protrusions 4 (the through holes 7 and the first fitting insertion holes 8 corresponding thereto) may be appropriately selected, and an appropriate number may be selected and used. The first and second hooking rods 11 and 11A may be provided corresponding to all or appropriate ones of the respective protrusions (all of the first and third protrusions 3 and 4 in the embodiment) ( It is not necessary to limit to the arrangement of the embodiment).

In the figure, reference numeral 17 denotes a locking flange provided on the head side (protrusions 3, 4 side) of the bolt rod 15, and the locking flange 17 is locked to the side surface of the structural member 2 so that The protrusions 3 and 4 can be arranged at the designed positions. That is, by screwing and tightening the nut 14, the head side (protrusions 3, 4) of the bolt rod 15 is locked by the locking flange 17 on the side surface of the structural member 2 to maintain the projected amount as designed. Then, the lowering operation of the horizontal member 1 in the locking piece 6 (joint metal A) in a state of protruding from the side surface and passing through the gap 12 can be smoothly performed.

Further, a first fitting insertion hole 8 is provided in the end portion 1'of the horizontal frame so as to correspond to each through hole 7 provided in the joint metal A, and the pair of through holes 7, 7 and the through hole 7 are provided. The locking rod 16 may be fitted to all of the lower side of the set of insertion holes 8 and 8 corresponding to the holes 7 and 7 (in the case of FIG. 1, the locking rod 16).
Is only fitted to the bottom).

The joining metal fitting A of the second embodiment shown in FIG.
What has a sloped surface a corresponding to the tapered edges 3'and 4 '(in the case of the first embodiment, the portion corresponding to the sloped surface a is a curved surface), FIG. The joining metal fitting of 3rd embodiment which welded to the assembly piece 5 and used it as the locking piece 6 is shown. Similar to the first embodiment, these locking pieces are elastically deformed and come into pressure contact with the protrusions 3 and 4.

[0027]

As described above, according to the present invention, since the joining metal fitting is assembled to the end face side of the wood, there is no inconvenience in transportation, and like the conventional example, the horizontal member is secured to the structural material. It is possible to provide a joining device having a novel structure that can be joined to the.

[Brief description of drawings]

FIG. 1 is a vertical sectional view.

FIG. 2 is a cross-sectional view.

FIG. 3 is a partially enlarged view of FIG.

FIG. 4 is a partially enlarged cross-sectional view of FIG.

FIG. 5 is a partial cross-sectional view of a joining fitting.

FIG. 6 is a perspective view of a joining fitting.

FIG. 7 is a perspective view of a second embodiment of a joining fitting.

FIG. 8 is a perspective view of a third embodiment of a joining fitting.

FIG. 9 is an enlarged cross-sectional view of a part of the joining fitting of the third embodiment.

[Explanation of symbols]

A joining hardware 1 Horizontal material 1'end 2 structural materials 3 First stub 4 second stem 5 assembly pieces 6 locking piece 7 through holes 8 Fitting hole 9 engagement groove 11 hanging rod 11A Second hanging rod 12 gap 16 locking rod

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Claims (3)

[Claims] 1. A lower end in which a metal fitting is composed of an assembling piece and a locking piece continuously provided at a tip of the assembling piece, and the pair of the metal fittings are vertically provided on an end face of a horizontal member such as a beam. The assembly piece is superposed on the side wall of the engagement groove of the opening, and the locking piece is fixed to the end of the horizontal member so as to face each other with a gap,
A latching rod is installed between the upper part of the assembly piece of the joining piece, which overlaps with the locking piece on the tip side, through the horizontal member, and the latching rod is received in an intermediate portion through the gap. A first protrusion with a head to support, and an appropriate number of second protrusions with a head, which are below the first protrusion and are interposed between the assembling pieces while passing through the gap, A second hooking rod protruding from a side surface of a structural material such as a pillar or a body gap and hooked at an intermediate portion of the second protrusion, and an intermediate portion of one or both of the first and second protrusions. A joining device for a horizontal member in which each fitting insertion hole of a locking rod for locking the lower edge of the horizontal member is provided laterally on the side surface of the end portion of the horizontal member. 2. The joining device for a horizontal member according to claim 1, wherein the joining metal piece is composed of an assembling piece and a locking piece which is folded back and overlaps with a tip of the assembling piece. 3. A taper edge having a gradually increasing diameter in the front end direction of the head is provided on the circumferential side of the rear end of the head of each of the first and second protrusions, and is in contact with the taper edge. The joining device for a horizontal member according to claim 1 or 2, wherein all or part of the first and second hooking rods, the locking rods, and the locking pieces are arranged at the positions.