JP2013023980A - Joint device of framework material - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a joint device of a framework material capable of assembling both framework materials by engaging and hooking a hooking cylinder of a second joint metal fitting attached to one framework material to a notch on the side of a first joint metal fitting attached to the other framework material and simplifying construction processes.SOLUTION: A first joint metal fitting which is roughly in a groove shape in a plan view comprises an attachment piece and assembly pieces 2, 2 provided so as to face both ends along the longitudinal direction. The first joint metal fitting is fixed to the attachment piece and projected on a side face Pa of a first framework material P. Then, a second joint metal fitting engaged between the assembly pieces 2, 2 of the first joint metal fitting is fixed to a second framework material B. A hooking cylinder 10 is projected on an upper inner side of the assemble piece fixed to the second framework material B by a fixing rod 7 passing through the second framework material B together with the assembly piece 2 of the first joint metal fitting. Also, a notch 9 for hooking the hooking cylinder 10 is provided on an upper end of the assembly piece 2 of the first joint metal fitting.

Description

  The present invention relates to a joining device for a shaft assembly material of a wooden building, for example, used when joining a shaft assembly material, for example, a column and a beam.

  As a method of joining a shaft assembly material (horizontal material) such as a beam or girder to a shaft assembly material (structural material) such as a column or trunk difference, a so-called mortise joint type is generally used. It has become.

  As for the metal fitting joining method, connecting pieces are relatively provided on both sides along the longitudinal direction of the attachment piece to form the attachment fitting, and the attachment fitting is attached to the side of one shaft assembly (column) on the attachment piece. A pair of vertical grooves fixed and projecting and engaged with the joint fittings are provided on the end surface of the other shaft assembly (beam) that abuts against the side surface, and are opposed to the vertical grooves via the joint fittings. A reinforcing plate, and a hook that is inserted into the other shaft assembly through the reinforcing plate is hooked to the connecting piece of the joint fitting (for example, Patent Document 1) There is a structure in which the joining metal fitting in this structure is replaced with a nut material screwed into the tip of a bolt rod that penetrates the one shaft assembly (for example, Patent Document 2).

JP 2003-227175 A JP 2004-324323 A

  Since the conventional example employs a configuration in which the latch rod fitted into the other shaft assembly member is latched to the joint fitting or the nut member, the other shaft assembly member is provided with an insertion hole for inserting the latch rod. And a construction process for inserting the retaining rod into the other shaft assembly by inserting it into the fitting insertion hole, and making the insertion rod and attaching the retaining rod to the insertion hole complicated. This is the reason why the cost is increased more than necessary.

  The present invention has been created with the object of providing a joining device for a shaft assembly having a novel structure in place of the conventional method using the latching rod, paying attention to the drawbacks of the conventional example. .

  In a joining apparatus for a wooden building shaft assembly, which joins the first and second shaft assembly members to each other, a substantially groove in plan view with an attachment piece and an assembly piece provided opposite to both ends along the longitudinal direction. A first joining bracket of a shape, the first joining bracket is fixed to a mounting piece and protruded from a side surface of the first shaft assembly, and a longitudinal groove for engaging the first joining bracket is formed. The second shaft assembly is provided on the end surface of the second shaft assembly material in contact with the side surface, and the second shaft assembly is engaged with the vertical groove by engaging a second joint fitting between the assembly pieces of the first joint fitting. The upper part of the assembly piece which fastens to the material and is secured to the second shaft assembly material by the fastening rod passing through the second shaft assembly material together with the assembly piece of the first joint fitting. The basic means is a structure in which a protrusion is provided on the inner side and a notch for hooking the protrusion is provided on the upper end of the assembly piece of the first joint fitting. The protrusion is cylindrical in this basic means. When the protrusion is engaged with the notch by applying a point formed by a latching cylinder and the bottom edge of the notch that latches the latching cylinder is formed in an arc shape, that is, the second joint to the first joint fitting The protrusion of the protrusion along the notch is smoothly lowered during the fitting operation of the metal fitting, and the shaft assembly material can be joined without any trouble as a whole.

  Both shaft members are assembled by engaging and engaging the protrusions of the second joint fitting attached to the other shaft assembly to the notch on the side of the first attachment fitting attached to one shaft assembly. It is possible to perform the fastening operation on the other shaft assembly material of the assembly piece of both joining brackets by the fastening rod while maintaining the state, and the construction process is compared with that of the conventional structure used by driving the latching rod. It is possible to provide a simple and novel structure for joining shaft assemblies.

FIG. FIG. 2 is a partially broken plan view of FIG. 1. Xx sectional view taken on the line of FIG. The longitudinal cross-sectional view which shows the state before joining a shaft assembly material. The perspective view of a 1st joining metal fitting. The perspective view of a 2nd joining metal fitting.

  Although illustrated embodiment shows the example which joins the beam B which is the other axial assembly material to the pillar P which is one axial assembly material using 1st, 2nd joining metal fittings Aa and Ab, There is no inconvenience even if the present invention is applied to a trunk difference instead of P or a girder instead of beam B.

  The first joining metal fitting Aa has a substantially groove shape in a plan view composed of a vertically long mounting piece 1 and mounting pieces 2 and 2 provided opposite to both ends along the longitudinal (vertical) direction of the mounting piece 1. It consists of a frame (cross-section grooved frame), and the mounting piece 1 is provided with the first joint fitting Aa and the through holes 4,... Of the wood screw 3 that fastens to the side surface Pa of the column P in the mounting piece 1 vertically. The fixing rods 7 are inserted into the assembly pieces 2 through the insertion holes 18 provided in the beam B so as to coincide with the through holes 6 provided in the assembly pieces 5 of the second joining metal fitting Ab. The through-hole 8 is provided so as to coincide between the assembly pieces 2 and 2.

  Further, at the upper and lower ends of the assembly piece 2 of the first joining metal fitting Aa, notches 9 are provided at positions on the assembly piece 2 that are aligned on the same straight line as the through holes 8, 8. The open side is composed of a piece 2a protruding in a tongue shape from the assembly piece 2, and the piece 2a is inclined so as to gradually approach the upper end between the assembly pieces 2 and 2, It is easy to fit in the two joining brackets Ab or the beam B on the outer surface side.

  The notch 9 has a U-shape as a whole with a semicircular bottom (lower) edge, and a lower portion is formed by partially punching a corresponding portion of the assembly piece 2 so as to be viewed from the front. The U-shaped pieces project in opposite directions to form the receiving piece 9a, and the receiving piece 9a has a cylindrical (load-bearing) hook for the second joint fitting Ab. The tube 10 is smoothly lowered along the notch 9 so that it can be securely hooked.

  The first joining metal fitting Aa is composed of a grooved frame that is symmetrical in the vertical and horizontal directions, and as a result, can be applied freely in the vertical and horizontal directions.

  Similarly to the first joint fitting Aa, the second joint fitting Ab includes a central attachment piece 11 and the assembly pieces 5 and 5 provided opposite to both ends along the longitudinal (vertical) direction of the attachment piece 11. It is constituted by a frame body having a cross-sectional groove shape (substantially groove shape in a plan view), and the attachment piece 11 has a back wall 13a of a vertical groove 13 provided on a joint end surface Ba of the beam B with a side surface Pa of the column P. The through hole 15 of the wood screw 14 to be fastened is provided, and the assembly piece 5 is provided at a position coinciding with the through hole 8 provided in the assembly piece 2 of the first joint fitting Aa, and the assembly piece 5, The through-holes 6 that coincide with each other are provided. And the said latching cylinder 10 is protrudingly provided inside the assembly | attachment piece 5, This latching cylinder 10 and the said through-hole 6 (for example, high-order) located just under this latching cylinder 10 Is set to be substantially equal to the separation distance between the notch 9 (part 9a) provided in the assembly piece 2 of the first joint fitting Aa and the through-hole 8 (for example, the upper layer). That is, the second joining bracket Ab in which the distance between the assembly pieces 5 and 5 is longer than the separation distance between the assembly pieces 2 and 2 (the distance between the assembly pieces 5 and 5 is wider than between the assembly pieces 2 and 2). When the first joint fitting Aa is arranged on the inner side, the retaining cylinder 10 is placed on the receiving / supporting piece 9a of the notch 9.

  The retaining cylinder 10 is formed by burring (other than burring), and in the case of the embodiment, it is formed into a cylindrical shape, and the bottom edge of the notch 9 is received correspondingly. Although the support piece 9a is also formed in an arc shape, there is no inconvenience if the support piece 9a is also formed in a rectangular tube shape (generally, burring) and the support piece 9a is also formed in a square shape (groove). In short, the protrusion corresponding to the latching cylinder 10 of the embodiment is provided with the assembly piece 5 (of the second joining bracket Ab) (may be provided in such a way as to provide the receiving support piece 9a of the embodiment), A notch 9 that engages and latches with the protrusions may be provided in the assembly piece 2 on the first joining bracket Aa side. The receiving edge of the notched protrusion (the shape of the support portion existing at the bottom edge portion may be a shape according to the cross-sectional shape of the protrusion as long as it is circular as in the embodiment.

  Then, the first joining metal fitting Aa is overlapped on the side surface Pa of the column P on the mounting piece 1, and the wood screw 3 is screwed into the column P (the guide hole 16) through the through hole 4 provided in the mounting piece 1. The first joining metal fitting Aa is provided on the side face of the pillar P.

  It should be noted that if the first guide hole 16 having a diameter smaller than that of the wood screw 3 is provided on the side surface of the pillar P where the wood screw 3 is screwed, that is, the side surface portion of the pillar P projecting the first joint fitting Aa, the wood screw 3 The screwing operation can be performed smoothly. However, a through hole is provided in the pillar P instead of the guide hole 16, and a bolt in place of the wood screw 3 is inserted into the through hole from the first joint metal fitting Aa side, and a nut is provided at the bolt tip protruding from the pillar P. You may make it project the 1st joining metal fitting Aa to the pillar P so that it may screw.

  On the other hand, on the end surface Ba of the beam B joined to the side surface Pa of the column P, the longitudinal groove 13 having a width and a depth width enough to accommodate the first joining metal fitting Aa protruding from the column P is provided, The vertical joint 13 is engaged with the second joint fitting Ab, and the through hole 15 provided in the mounting piece 11 of the second joint fitting Ab is made to coincide with the guide hole 17 provided in the back wall 13a of the longitudinal groove 13. When the wood screw 14 is guided to the guide hole 17 (having a smaller diameter than the wood screw 14) through the through-hole 15 and screwed into the beam B, the second joint metal fitting Ab is stopped in the beam B while being accommodated in the longitudinal groove 13. Worn.

  Then, the beam B is lowered so that the first joint metal Aa is engaged with the inside of the second joint metal Ab, and the retaining cylinder 10 on the second joint metal Ab side is engaged with the notch 9 of the first joint metal Aa. When they are combined and placed on the receiving piece 9a, the beam B with the second joint fitting Ab attached to the column P with the first joint fitting Aa attached thereto is temporarily latched at the joint fittings Aa and Ab.

  In this temporarily latched state, the through-hole 8 provided in the assembly piece 2 of the first joining metal fitting Aa and the through-hole 6 provided in the second joining metal fitting Ab coincide with each other as designed. The embodiment device can be obtained by fitting the fastening rods (for example, drift pins) 7 into the through holes 8 and 6 through the insertion holes 18 provided on the beam B side so as to coincide with each other.

  In addition, the beam B is arranged between the pair of columns P and P, both surfaces of the beam B are used as the bonding surfaces with respect to the columns P, and the second bonding fittings Ab are attached to both the bonding end surfaces as described above. As described above, the first joining bracket Aa protrudes on the pillars P and P side, the joining brackets Aa and Ab are assembled to each other, and the beam B is arranged between the pair of pillars P and P. The inventive device is usually used, but there is no disadvantage in applying this device to join a single beam to a single column.

DESCRIPTION OF SYMBOLS 1 Mounting piece 2 Assembling piece 5 Assembling piece 7 Fastening rod 9 Notch 10 Stopping cylinder Aa First joining bracket Ab Second joining bracket B Beam Ba End surface P Column Pa Side surface

Claims (2)

  In a joining apparatus for a wooden building shaft assembly, which joins the first and second shaft assembly members to each other, a substantially groove in plan view with an attachment piece and an assembly piece provided opposite to both ends along the longitudinal direction. A first joining bracket of a shape, the first joining bracket is fixed to a mounting piece and protruded from a side surface of the first shaft assembly, and a longitudinal groove for engaging the first joining bracket is formed. The second shaft assembly is provided on the end surface of the second shaft assembly material in contact with the side surface, and the second shaft assembly is engaged with the vertical groove by engaging a second joint fitting between the assembly pieces of the first joint fitting. The upper part of the assembly piece which fastens to the material and is secured to the second shaft assembly material by the fastening rod passing through the second shaft assembly material together with the assembly piece of the first joint fitting. A joining apparatus for a shaft assembly material of a wooden building, in which a protrusion is provided on the inner side, and a notch for hooking the protrusion is provided at the upper end of the assembly piece of the first joint fitting.   The joining apparatus of the frame building materials of the wooden building of Claim 1 which comprised the protrusion with the cylindrical latching cylinder and made the bottom edge of the notch which latches this latching cylinder into circular arc shape.

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