JP3932264B2 - Joining bracket - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a joint metal fitting that can easily join a side surface of a vertical timber such as a pillar or a horizontal timber such as a beam and an end surface of the horizontal timber such as a beam while maintaining high joint strength. .
[0002]
[Prior art]
Conventionally, for example, sculpture processing has been performed to join columns and beams of a wooden house, and metal fittings have hardly been used. However, the joining strength tends to be insufficient only with the sword processing, and there is a problem that the workability is particularly poor at the construction site because it takes time and labor to process the sword.
Therefore, in recent years, as shown in FIG. 4, a plate-shaped connection fitting 30 having a small hole 30 a is interposed between the first wood (column) 10 and the second wood (beam) 20, and the small A means for inserting the connecting pin 31 into the hole 30a and joining them together has been devised (for example, see JP-A-11-28695).
[0003]
According to this means, since the connecting metal fitting 30 is interposed between the first wood 10 and the second wood 20, the joining strength can be increased, and the hobbing can be reduced, so that labor is saved. In particular, there is an advantage that the workability at the construction site is improved.
[0004]
[Problems to be solved by the invention]
However, this conventional technique also has a problem to be improved.
That is, this conventional technique forms a plurality of small holes 30a at both ends of the connecting metal fitting 30, and also forms an assembly hole 20c corresponding to both the first wood 10 and the second wood 20 and When assembling, the connecting pin 31 needs to be inserted into the plurality of small holes 30a and the assembly holes 20c in a state where the end surface of the second wood 20 is abutted against the side surface of the first wood 10.
At this time, there may be a dimensional error in the formation place of the small holes 30a and the assembly holes 20c. Therefore, it is troublesome to pass the connecting pins 31 through all the small holes 30a and the assembly holes 20c, and the workability is remarkably improved. May decrease.
[0005]
Therefore, an object of the present invention is to provide a joint metal fitting that can easily join the side surfaces of vertical and horizontal timbers and the end surfaces of the horizontal timber while maintaining high joint strength. The task is to do.
[0006]
[Means for Solving the Problems]
In order to achieve the above-mentioned object, a joining metal fitting (1) according to claim 1 of the present invention includes a side surface of a first wood (10) that is a vertical wood or a horizontal wood, and a second wood that is a horizontal wood ( 20) is a metal fitting that joins the first wood (10) and the second wood (20) to be interposed between the end surfaces of the vertical wood and at least one end portion thereof, 3a) and horizontal joining holes (2b, 3b), which are fixed to the upper and lower portions of the first wood (10) by penetrating in the horizontal direction, and the end portions of the first wood (10) An upper pipe metal (2) and a lower pipe metal (3) that protrude from the side surface of the metal plate, a locking pin (4) that is inserted into the joint hole (3b) of the lower pipe metal (3), and a front end of the metal plate Notch recess (5) which has a pin hole (5a) in the upper part of the part and is released downward in the lower end part ), A fixing hole (5c) in each of the upper part and the lower part of the rear end part of the metal plate, and long from the rear end of the side recess (20a) formed in the front end part of the second wood (20) A joining plate (5) that fits into a slit (20b) formed in a direction and projects a front end portion thereof into a relief recess (20a), a fixing hole (5c) of the joining plate (5), and a second wood (20) A fixing pin (6) that is inserted into an assembly hole (20c) formed at the front end of the first plate and fixes the joining plate (5) to the second wood (20), and a side surface of the first wood (10). The end face of the second wood (20) is butted and the front end of the joining plate (5) is fitted into the split grooves (2a, 3a) of the upper pipe hardware (2) and the lower pipe hardware (3), After the locking pin (4) is locked in the notch recess (5b), the second The assembly hole (20c) formed at the front end of the material (20), the joint hole (2b) of the upper pipe fitting (2) and the pin hole (5a) of the joint plate (5) It consists of the joining pin (7) which joins one wood (10) and 2nd wood (20), It is characterized by the above-mentioned.
[0007]
Moreover, the joining metal fitting (1) according to claim 2 is provided with a mounting hole (2c, 3c) in a substantially middle portion between the upper pipe hardware (2) and the lower pipe hardware (3). 2c, 3c) and a positioning pin for fixing both pipe hardware (2, 3) to the first wood (10) through the through-hole (10a) provided in the direction perpendicular to the first wood (10) 8) is provided.
[0008]
Furthermore, the joining metal fitting (1) according to claim 3 is configured such that an end portion of the upper pipe hardware (2) and the lower pipe hardware (3) protruding from the side surface of the first wood (10) is the boss recess (20a). ), And the end face of the second wood (20) is brought into contact with the side face of the first wood (10).
[0009]
Symbols in parentheses indicate corresponding elements or corresponding matters described in the drawings and embodiments of the invention described later.
[0010]
According to the joining metal fitting according to claim 1 of the present invention, the first wood and the second wood are joined by a metal joining plate, a positioning pin, or the like, so that it is compared with the conventional technique in which joining is performed only by hozo processing. Thus, the bonding strength can be increased.
Especially, what penetrates the first wood is a metal pipe and not a bolt, so that the strength of the first wood against shearing is improved.
[0011]
Further, by fixing the positioning pin to the first wood at the time of shipment in a factory or the like, the joining work at the building site can be easily performed by fixing the joining plate to the second wood. That is, by doing so, at the construction site, first, the locking pin is inserted into the joint hole of the lower pipe hardware and assembled. Next, the end surface of the second wood is abutted against the side surface of the first wood, the front end of the joining plate is inserted into the split groove of the upper pipe hardware and the lower pipe hardware, and the locking pin is engaged with the notch recess of the joining plate. Stop and temporarily fix. Finally, the first wood and the second wood can be easily joined by inserting the joining pin through the assembly hole of the second wood, the joining hole of the lower pipe hardware, and the pin hole of the joining plate. .
[0012]
It should be noted here that in this work at the construction site, the troublesome work of inserting the pin through the hole with the end face of the second wood abutting the side face of the first wood is only one time. is there. That is, only the joining pin is inserted. Therefore, the joining operation can be performed very easily as compared with the conventional technique in which a plurality of pins need to be inserted.
[0013]
In addition, when inserting a joining pin, since the notch recessed part is made to latch on a latching pin and the 1st wood and the 2nd wood are temporarily fastened, the said operation | work can be performed more easily.
[0014]
Further, according to the invention described in claim 2, in addition to the function and effect of the invention described in claim 1, attachment holes are formed in both pipe hardware, and the attachment holes and the first wood are perpendicular to each other. Since the positioning pin that passes through the provided through hole and fixes both pipe hardware to the first wood is provided, both the pipe hardware can be firmly fixed to the first wood. Thereby, the joint strength of the 1st wood and the 2nd wood can be raised more. Moreover, since both pipe hardware can be fixed to the first wood whenever necessary, such as at the time of shipment, the work becomes easy.
[0015]
Furthermore, according to invention of Claim 3, in addition to the effect of the invention of Claim 1 or 2, the edge part which protrudes from the side surface of the 1st timber of both pipe metal | hardware is based on the depth of a ridge recess. Since the end face of the second wood is brought into contact with the side surface of the first wood, the bonding strength between the first wood and the second wood can be further increased.
In addition, since the end of the pipe hardware protruding from the side surface of the first wood is short in this way, there is no particular obstacle even if it is shipped on a truck etc. with both pipe hardware fixed to the first wood. , Loading capacity can be increased.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
With reference to FIG. 1 thru | or FIG. 3, the joining metal fitting 1 which concerns on embodiment of this invention is demonstrated. FIG. 1 is an exploded perspective view showing a state in which the second wood 20 is joined to each of both side surfaces of the first wood 10 using the joining metal fitting 1. FIG. 2 is a side view showing the joint fitting 1 when the first wood 10 and the second wood 20 are joined, and FIG. 3 is an enlarged sectional view taken along line AA in FIG. In addition, the same code | symbol was attached | subjected to the same part as what was shown in the prior art example.
[0017]
A joining metal fitting 1 according to an embodiment of the present invention is interposed between a side surface of a first wood (column) 10 and an end surface of a second wood (beam) 20 to join both woods 10 and 20. The upper pipe hardware 2, the lower pipe hardware 3, the locking pin 4, the joining plate 5, the fixing pin 6, and the joining pin 7.
[0018]
The upper pipe fitting 2 and the lower pipe fitting 3 have vertical dividing grooves 2a and 3a and horizontal joining holes 2b and 3b at their ends, and are horizontally arranged on the upper and lower portions of the first wood 10, respectively. The end is protruded from the side surface of the first wood 10.
[0019]
The locking pin 4 is inserted into the joint hole 3b of the lower pipe hardware 3 and assembled.
The joining plate 5 has a pin hole 5a in the upper part of the front end part of the metal plate and a notch recess 5b that opens downward in the lower end part, and has fixing holes 5c in the upper and lower parts of the rear end part of the metal plate. Have. And it inserts into the slit 20b formed in the longitudinal direction from the rear end of the tenon recessed part 20a formed in the front-end part of the 2nd timber 20, and the front-end part is made to protrude into the tenon recessed part 20a.
[0020]
The fixing pin 6 is inserted into the fixing hole 5 c of the joining plate 5 and the assembly hole 20 c formed at the front end portion of the second wood 20 to fix the joining plate 5 to the second wood 20.
And the joining pin 7 abuts the end face of the second wood 20 on the side surface of the first wood 10 and fits the front end of the joining plate 5 into the split grooves 2a and 3a of the upper pipe hardware 2 and the lower pipe hardware 3, After locking the locking pin 4 in the notch recess 5b, the assembly hole 20c formed in the front end of the second wood 20, the bonding hole 2b of the upper pipe hardware 2, and the pin hole 5a of the bonding plate 5 The first wood 10 and the second wood 20 are joined to each other.
[0021]
The joining metal fitting 1 according to this embodiment includes a positioning pin 8. The positioning pin 8 is provided with vertical mounting holes 2c, 3c in the middle portion between the upper pipe hardware 2 and the lower pipe hardware 3, and provided in the mounting holes 2c, 3c and the first wood 10 in the vertical direction. The pipe hardware 2 and 3 is fixed to the first wood 10 through the through hole 10a.
[0022]
Moreover, in this embodiment, the edge part made to protrude from the side surface of the 1st wood 10 of the upper pipe hardware 2 and the lower pipe hardware 3 is set shorter than the depth of the dent 10a formed in the 1st wood 10, and the 1st wood 10 The end surface of the second wood 20 is brought into contact with the side surface of the second wood 20.
[0023]
A method of joining the first wood 10 and the second wood 20 using the joining metal fitting 1 according to the present embodiment will be described.
First, when shipping the first wood 10 and the second wood 20, the upper pipe hardware 2 and the lower pipe hardware 3 are inserted into the first wood 10 and fixed by the positioning pins 8 in a factory or the like. Similarly, at the time of shipment, the joining plate 5 is fitted into the slit 20 b of the second wood 20 and fixed with the fixing pin 6. In addition, since it fixes with the positioning pin 8, while being able to obtain strong joint strength, it can join easily.
[0024]
Next, the first wood 10 and the second wood 20 are transported to the building site, and before the second wood 20 is joined to the first wood 10, the locking pin 4 is inserted into the joint hole 3 b of the lower pipe hardware 3. To do. Subsequently, the end surface of the second wood 20 is abutted against the side surface of the first wood 10. At this time, the front end portion of the joining plate 5 is fitted into the split grooves 2 a and 3 a of both pipe hardwares 2 and 3, and the notch recess 5 b is locked to the locking pin 4. Since the second wood 20 can be temporarily fixed to the first wood 10 by this locking, the joining operation is facilitated.
[0025]
Finally, the joining pin 7 is inserted into the assembly hole 20 c of the second wood 20, the joining hole 2 b of the upper pipe hardware 2, and the pin hole 5 a of the joining plate 5.
Thereby, the second wood 20 can be fixed to the first wood 10. Therefore, the troublesome work of inserting the pin through the hole in an unstable state where the end face of the second wood 20 is abutted against the side surface of the first wood 10 at the construction site is only when the joining pin 7 is passed. . Therefore, joining work is extremely easy.
[0026]
In the present embodiment, the end portions of the pipe hardware 2 and 3 that protrude from the side surfaces of the first wood 10 are set to be shorter than the depth of the side recess 20a, and the second wood 20 Since the end surfaces are brought into contact with each other, the bonding strength between the first wood 10 and the second wood 20 can be increased.
[0027]
In the present embodiment, two second woods 20 that are also beams are joined to both side surfaces of the first wood 10 that is a beam, but the second wood 20 is joined to only one side surface of the first wood 10. can do. Further, the first wood 10 can be replaced with a beam as a pillar.
[0028]
【The invention's effect】
As mentioned above, according to the joining metal fitting of Claim 1 of the present invention, since the 1st wood and the 2nd wood are joined by a metal joining plate, a positioning pin, etc., joining strength can be raised. . Especially, what penetrates the first wood is a metal pipe and not a bolt, so that the strength of the first wood against shearing is improved.
Moreover, when fixing the positioning pin to the first wood at the time of shipment in a factory or the like and fixing the joining plate to the second wood, troublesome work such as inserting the pin (joining pin) into the hole at the construction site is not possible. Only once is enough. Therefore, joining work is easy and workability is improved.
[0029]
According to the invention described in claim 2, in addition to the function and effect of the invention described in claim 1, mounting holes are formed in both pipe hardware, and the mounting holes and the first wood are provided in the vertical direction. Since the positioning pin that penetrates through the through hole and fixes both pipe hardware to the first wood is provided, the bonding strength between the first wood and the second wood can be further increased. Moreover, since both pipe hardware can be fixed to the first wood whenever necessary, such as at the time of shipment, workability is improved.
[0030]
According to invention of Claim 3, in addition to the effect of the invention of Claim 1 or 2, the edge part which protrudes from the side surface of the 1st wood of both pipe hardware is set shorter than the depth of a ridge recess. And since the end surface of 2nd wood is made to contact | abut to the side surface of 1st wood, the joining strength of 1st wood and 2nd wood can further be raised.
In addition, since the end of the pipe hardware protruding from the side surface of the first wood is short in this way, there is no particular obstacle even if it is shipped on a truck etc. with both pipe hardware fixed to the first wood. , Loading capacity can be increased.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view showing a state in which a first wood and a second wood are joined using a joining metal fitting according to an embodiment of the present invention.
2 is a side view showing a state when the first wood and the second wood are joined in the joining metal fitting shown in FIG. 1; FIG.
FIG. 3 is an enlarged cross-sectional view taken along line AA in FIG.
FIG. 4 is a side view showing a joining metal fitting according to a conventional example.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Joining metal fitting 2 Upper pipe metal 2a Split groove 2b Joint hole 2c Attachment hole 3 Lower pipe metal 3a Split groove 3b Joint hole 3c Attachment hole 4 Locking pin 5 Joint plate 5a Pin hole 5b Notch recessed part 5c Fixed hole 6 Fixed pin 7 Joining pin 8 Positioning pin 10 First wood 10a Through hole 20 Second wood 20a Side recess 20b Slit 20c Assembly hole 30 Connecting bracket 30a Small hole 31 Connecting pin

Claims (3)

A metal fitting that joins the first wood and the second wood, interposed between a side surface of the first wood that is a vertical wood or a horizontal wood and an end face of the second wood that is a horizontal wood,
At least one end portion has a vertical split groove and a horizontal joint hole, and is fixed to each of the upper and lower portions of the first wood so as to penetrate in the horizontal direction. An upper pipe hardware and a lower pipe hardware protruding from the side surface;
A locking pin that is inserted and assembled into the joint hole of the lower pipe hardware,
The second lumber has a pin hole at the top of the front end of the metal plate, a notch recess that opens downward at the lower end, and a fixing hole at each of the top and bottom of the rear end of the metal plate. A joining plate that fits into a slit formed in the longitudinal direction from the rear end of the ridge recess formed at the front end of the boss, and projects the front end into the horn recess;
A fixing pin for fixing the joining plate to the second wood by passing through the fixing hole of the joining plate and the assembly hole formed at the front end of the second wood;
The end face of the second wood is abutted against the side face of the first wood, the front end of the joining plate is fitted into the split groove of the upper pipe hardware and the lower pipe hardware, and the locking pin is locked to the notch recess. After that, through the assembly hole formed in the front end portion of the second wood, the joint hole of the upper pipe hardware and the pin hole of the joining plate, a joining pin for joining the first wood and the second wood, A joining bracket characterized by comprising: A mounting hole is drilled in a substantially middle portion between the upper pipe hardware and the lower pipe hardware, and penetrates through the mounting hole and a through hole provided in a direction perpendicular to the first wood. The joining metal fitting according to claim 1, further comprising a positioning pin to be fixed. Ends of the upper pipe hardware and the lower pipe hardware that protrude from the side surface of the first wood are set to be shorter than the depth of the recess, and the end surface of the second wood is brought into contact with the side surface of the first wood. The joining metal fitting according to claim 1 or 2, characterized by the above-mentioned.

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