JP5342837B2 - Pipe joints for wooden building shafts - Google Patents

Description

  The present invention inserts a fastening pin such as a drift pin into the insertion hole through a through hole provided in the shaft assembly material by inserting the upper end in the axial direction into one shaft assembly material and the lower end into the other shaft assembly material. The present invention relates to a pipe-like joining metal fitting for a wooden building shaft assembly in which the pair of shaft assembly members are joined.

  Pipe joints have conventionally been used to join pillars and foundations or horizontal members, which are the frame members of wooden buildings, but these fittings are used for secondary processing of steel pipes obtained by conventional methods. In order to form a through hole for a fastening rod (usually a bolt rod or a drift pin) to be inserted into a pillar and foundation or horizontal member, the material is cut to a specific length. The pipe itself to be molded has the disadvantage that it lacks versatility and the complexity of the secondary processing increases the manufacturing cost.

  In order to avoid this drawback, a pair of constituent members are formed by press molding, the pair of constituent members are combined with each other along the longitudinal (longitudinal) direction, and the protrusion pieces provided at both ends along the longitudinal direction are engaged. A configuration in which the groove is configured to engage with each other has been proposed (for example, Patent Document 1).

JP-A-11-350597

  In the conventional structure, the pair of component members are opposed to each other so that the protruding piece and the engaging groove are engaged with each other, so that they are easily separated from each other. One arrangement is required for the arrangement relationship between the piece and the engagement groove (therefore, the conventional example described in the above publication has a twisted shape at the contact ends that are both side ends along the longitudinal direction of the component member), and the component members accordingly. Assembling work becomes complicated, and the expected reduction in manufacturing cost cannot be expected.

  The present invention has been invented for the purpose of providing a pipe-like joint fitting for a wooden frame for a wooden building, which has a low manufacturing cost and has the same joining function as the conventional example.

  The pair of shafts is formed by inserting a fastening pin such as a drift pin into an insertion hole through a through hole provided in the shaft assembly by inserting the upper end in the axial direction into one shaft assembly and the lower end into the other shaft assembly. In a pipe joint fitting of a shaft assembly material of a wooden building that joins the assembly material, a through hole provided in the center in the width direction of a vertical rectangular metal plate that is bent and deformed into a pipe shape, and both ends along the vertical direction of the metal plate The insertion holes are formed by matching the through holes formed by the semicircular cutouts formed so as to coincide with each other in the radial direction, and provided at one end along the vertical direction on both upper and lower sides of the insertion holes. A rectangular protrusion piece and a rectangular notch provided at the other end that coincides with the one end are engaged with each other to form a configuration in which the joint portions at both ends of the metal plate are provided.

  According to the present invention, a metal plate that has been formed into a fixed shape by press molding is obtained by bending its plastic deformation, so that the manufacturing column is inexpensive and has the same function as the conventional example. Joint pipe fittings can be provided.

  In addition, the present invention relates to the fact that the rectangular projecting piece and the rectangular notch are engaged with each other regardless of whether the metal plate is provided with insertion holes at both end positions along the vertical direction of the metal plate, that is, the joints at both ends. Due to the presence of the matching joint portion, it is possible to provide a pipe fitting that can sufficiently withstand the load of external force from the fastening rod inserted into the insertion hole.

  The drawings show an embodiment of a pipe-like joint fitting for a wooden building frame according to the present invention, FIG. 1 is a front view, FIG. 2 is a developed view, FIG. 3 is a sectional view showing a use state, and FIG. FIG. 5 is a development view of the second embodiment, and FIG. 5 is a front view of the second embodiment.

  In the figure, A and A ′ are pipe-shaped fittings according to the present invention, and the pipe-like fittings A and A ′ are formed by bending a metal plate Aa or Ab into a pipe shape, and are sequentially orthogonal to each other on the upper side. The first, second and third insertion holes 9, 10, 11, which are displaced in the direction, are respectively provided with fourth and fifth insertion holes 12, 13 arranged perpendicular to each other at the bottom, The upper half is engaged with the engagement hole 50a provided on the lower surface of the upper shaft assembly 50 to be joined together, and the lower half is engaged with the engagement hole 60a provided on the upper surface of the lower shaft assembly 60. In combination with the lower shaft assembly members 50 and 60, the through holes 9, 10, 11 and 12 provided on the upper and lower sides are made to coincide with the through holes 50b and 60b formed in the shaft assembly members 50 and 60, and they are coincident with each other. The insertion holes 9, 10, 11, 12 and the through holes 50b, 60b are stopped from one side of the shaft assembly members 50, 60. Bolts 70 and 80 that are anchored are inserted, and nuts 30 and 40 are screwed and tightened to the ends of the bolts 70 and 80 protruding from the shaft assemblies 50 and 60, so that the upper and lower shaft assemblies 50 and 60 are joined. It is.

  The upper and lower shaft assembly members 50 and 60 are applied as columns, but the upper shaft assembly member 50 may be applied as a column and the lower shaft assembly member 60 may be applied as a horizontal member such as a base or a beam. There is no convenience, and it is not inconvenient to use a drift pin or the like instead of the bolts 70 and 80.

  And the pipe-shaped joining metal fittings A and A 'of the frame members of the wooden building of the embodiment are configured by bending the vertically rectangular metal plates (the steel plates in the embodiment) Aa and Ab in a pipe shape. In one embodiment, the metal plate Aa has a first shape notch 3B, a first semicircular notch 4B, and a first shape protrusion having the same shape as the first shape notch 3A at one end edge Aa ′ along the vertical direction. 5A, a second rectangular notch 6B having the same shape as the first notch 3B, a second semicircular notch 7B having a smaller diameter than the first semicircular notch 4B, and the first shape projecting piece Second square-shaped projecting pieces 8A having a diameter smaller than 5A are sequentially arranged from the upper side so that the other end edge Aa ″ corresponds to these first-shaped cutouts 3B and the like (for example, the first-shaped cutouts). 3B to 3B), a third rectangular protrusion piece 3A, a third semicircular cutout 4'B, a third rectangular cutout 5B, The fourth rectangular protrusion 6A, the fourth semicircular cutout 7'B, and the fourth rectangular cutout 8B having the same shape and the same size as the second rectangular protruding piece 8A are sequentially arranged in parallel from above, and the plate surface A A slightly horizontally long second circular through hole 10 'is provided in the center between the first and third semicircular cutouts 4B, 4'B of' a, and above the second circular through hole 10 ' A pair of circular through-holes 9 'and 9' having the same shape and size as the first circular through-hole 10 'and a pair of third circular through-holes 11' and 11 'are provided in the same manner at the lower position. When the metal plate Aa is bent into a pipe (cylindrical) shape, the pair of circular through holes 9 ′, 9 ′, 11 ′, and 11 ′ in FIG. The first and third semicircular cutouts 4B and 4'B are arranged side by side on the plate surface A'a with a separation width constituting the first and third insertion holes 9 and 11, respectively. As well as metal When A'a is bent, the second circular through hole 10 'is formed between the semicircular cutouts 4B and 4'B while forming one opening edge of the second insertion hole 10 to coincide with each other. And the second circular through hole 10 ′ and an appropriate separation width so as to constitute the second insertion hole 10 so as to coincide with the radial direction of the joint fitting A, and are arranged in parallel on the plate surface A′a. is there.

  Further, below the plate surface A′a, each semicircle is located at the same height as the second semicircular cutout 7B and the fourth semicircular cutout 7′B, and at equal intervals. When the metal plate is bent by arranging a slightly horizontally long fourth circular through hole 12 ″, 12 ′, 12 ″ having the same diameter as the notches 7B, 7′B, the central circular hole 12 ′ And the second and fourth semicircular cutouts 7B and 7'B coincide with each other to form the fourth insertion hole 12 and the left and right circular through holes 14a 'and 14a. 'Matches with each other to form the fifth insertion hole 13.

  Then, the metal plate Aa obtained by press-molding the first notch 3B or the like is bent and deformed, so that the first notch 3B and the third square-shaped protruding piece 3A, and the first first-shaped notched piece 5A and the third rectangular notched 5B is engaged with the second square notch 6B and the fourth rectangular notch 6A, and the second square notch 8A and the fourth square notch 8B are engaged with each other, while the first semicircular notch 4B The third semicircular cutout 4′B and the second semicircular cutout 7B and the fourth semicircular cutout 7′B are made to coincide with each other, and the one circular through hole and the second circular through hole are made to coincide with each other. Hole 10 ', the other circular through hole and one fourth circular through hole 12', a pair of first circular through holes 9 ', 9', and a pair of third circular through holes 11 ', 11' And the pair of other fourth circular through-holes 12 ″, 12 ″ are made to coincide with each other to obtain the pipe-shaped joint metal fitting A of the first embodiment.

  The metal plate Ab for obtaining the pipe-shaped fitting A ′ of the second embodiment is a second square-shaped protruding piece 8A provided with the metal plate Aa of the first embodiment, and a fourth rectangular shape that engages with the protruding piece 8A. Instead of the cutout 8B, the metal plate Ab extends from the edge of the second semicircular cutout 7B on the side of the one end edge Ab ′ along the longitudinal direction, and the upper edge 18A ′ is formed of the fourth circular through holes 12 ′ and 12 ″. The lower edge 18A ″ has the same shape as a part of the hole edge, and a protruding piece 18A on the straight edge is provided, and the lower end edge side of the fourth semicircular cutout 7′B is notched on the other end Ab ′ side. Then, when the metal plate Ab is bent into the notch 18B to form the joint metal A, the projecting piece 18A is engaged, and the second semicircular notch 7B and the fourth semicircular notch 7′B. Are the joints located below the fourth insertion hole 12 formed in agreement with each other, and the remaining points are the same as the metal plate Aa of the first embodiment as indicated by the same reference numerals, and As well And song deformed constituting the framing material pipe-shaped connecting bracket A wooden building.

  The metal plates Aa and Ab of each embodiment are provided with rectangular protrusions 3A, 5A, 6A, 8A, and 18A and rectangular cutouts 3B, 5B, 6B, 8B, and 18B at both ends along the vertical direction, which are related to each other. The insertion holes 10 and 12 constituted by the semicircular cutouts 4B, 4′B, 7B, and 7′B are interposed between the engagement portions (joint portions), and the insertion holes 10 and 12 are inserted. It can withstand the external force transmitted from the fastening rod, and it is not necessary to limit to the shape of the embodiment as long as it is such a combination.

  In addition, if one open end of the insertion hole 12 is configured using the semicircular cutouts 7B and 7'B formed in the end edges Aa ′, Aa ″, Ab ′, and Ab ″, the operation is performed. As an example, the insertion hole 13 orthogonal to the insertion hole 12 can be easily formed. That is, since the end edges Aa ′, Aa ″, Ab ′, and Ab ″ can be used as a reference, it is possible to easily press and bend the semicircular cutouts 7B and 7B ′.

Front view. Development view. Sectional drawing which shows a use condition. The front view of a 2nd Example. The expanded view of a 2nd Example.

Explanation of symbols

4B First semicircular cutout 4'B Third semicircular cutout 5A First shape protruding piece 5B Third square cutout 6A Fourth rectangular cutout piece 6B Second square cutout 7B Second semicircular cutout 7 'B Fourth semicircular cutout 8A Second square-shaped protruding piece 8B Fourth square cutout 10 Insertion hole 12 Insertion hole Aa Metal plate

Claims (1)

  The pair of shafts is formed by inserting a fastening pin such as a drift pin into an insertion hole through a through hole provided in the shaft assembly by inserting the upper end in the axial direction into one shaft assembly and the lower end into the other shaft assembly. In a pipe joint fitting of a shaft assembly material of a wooden building that joins the assembly material, a through hole provided in the center in the width direction of a vertical rectangular metal plate that is bent and deformed into a pipe shape, and both ends along the vertical direction of the metal plate The insertion holes are formed by matching the through holes formed by the semicircular cutouts formed so as to coincide with each other in the radial direction, and provided at one end along the vertical direction on both upper and lower sides of the insertion holes. A pipe-like frame structure of a wooden building, which is formed by engaging a rectangular protrusion piece and a rectangular notch provided at the other end that coincides with the one end, and having joint portions at both ends of the metal plate. Joining bracket.

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