JP2007315112A - Cross joint - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cross joint which enables rod-like members to be joined together in a cross shape by delicately adjusting a crossing angle, and which enables the two rod-like members for being joined in a cross shape to be joined together in the state of being brought into direct contact with each other. <P>SOLUTION: This cross joint comprises: a semicircularly-curved plate for housing the unidirectionally elongated rod-like member; a U-shaped engaging piece which is inserted through an opening rectangularly formed in the side plate of the semicircularly curved plate, in such a manner as to pass through the side plate, and which houses the rod-like member orthogonal to the unidirectionally elongated rod-like member; and a wedge piece which is driven into a gap between the U-shaped engaging piece and an inward bent piece formed at the lower end of the side plate of the semicircularly-curved plate. The width of the opening, which is formed in the semicircularly-curved plate, is set greater than that of the U-shaped engaging piece. Many engaging recesses, which can accept an edge of the U-shaped engaging piece at an arbitrary angle by turning the U-shaped engaging piece in the range of a predetermined positive or negative angle with respective to the axial directions of the rod-like members orthogonal to each other, are engraved at the upper edge of the opening. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a frame structure of a simple building such as a greenhouse, a cherry house, a livestock barn, an insect repellent house for outdoor vegetables, and in particular, in the shoulder of the frame of the simple building, a timber material extending in the horizontal direction and an arch material slightly inclined from the vertical direction It is related to the structure of a cross joint that joins together by adjusting the crossing angle slightly.

The inventor separately uses the total amount of the carbon steel pipe material that has been used as the framework of a simple building in the past by making the framework structure of the simple building a very unique structure for the framework structure of the simple building. In order to provide a high-strength simplified building framework structure, the construction cost can be greatly reduced by eliminating the foundation work itself and simplifying the assembly work. An arch material composed of a plurality of units each including a frame unit in which a curved member of a book is joined in a plan view X-shaped front arch shape by a purlin joint, and the arch at the top of the arch material by the purlin joint In the framework structure of a simple building comprising a ridge wood joined to a material and a girder joined to the arch material at the shoulder of the arch material by a shoulder joint The arch material is arranged so that the curved members of the adjacent skeleton units intersect in an X shape between the ridge wood and the girder, and a lower end portion thereof is inserted into the soil. It is a person who proposes the framework structure of a simple building.
Japanese Patent Application No. 2006-147473

The joint for joining the rod-shaped members intersecting in the above-described cross shape with a fine adjustment of the crossing angle is composed of a pair of holding bodies and a pair of holding bodies shown in FIG. Is formed of a circular flat plate portion and a dovetail-shaped gripping portion that bends inward from both ends of the circular flat plate portion, and the flat plate portion has one end in the diametrical direction of an arc drawn with its virtual rotation center. A plurality of receiving holes arranged in the circumferential direction are opened, and the other end is provided with a protrusion on the side on which the holding portion is formed. The embedding body is combined so that it can be fitted into the receiving hole, and the embedding body protrudes in the lateral direction from both ends of the opening, and is inserted into the holding part of the retaining body. An aggregate fitting for an aggregate formed of a crucible portion has been proposed.
Japanese Utility Model Publication No. 59-018172

  Although the cross joint described in Patent Document 2 can be joined in a cross shape by finely adjusting the crossing angle, two circular support members are interposed between the rod-shaped member and the rod-shaped member. Thus, the two rod-like members cannot be joined in a cross shape in direct contact with each other.

  In view of the above circumstances, the present invention has an object to overcome the disadvantages of the prior art, and can be joined in a cross shape by finely adjusting the crossing angle. An object of the present invention is to provide a cruciform joint capable of joining rod-like members in direct contact with each other.

The invention according to claim 1 is a semicircular curved plate that accommodates a bar-shaped member extending in one direction, and is inserted through the side plate through an opening formed in a rectangular shape on the side plate of the semicircular curved plate. A U-shaped engagement piece that accommodates a bar-shaped member orthogonal to the direction of the bar-shaped member, and a gap between the inwardly bent piece formed at the lower end of the side plate of the semicircular curved plate and the U-shaped engagement piece. In a cross joint composed of a wedge piece to be driven, the width of the opening formed in the semicircular curved plate is made larger than the width of the U-shaped engagement piece, and is formed on the upper edge of the opening. The U-shaped engagement piece has an engagement recess engraved at an arbitrary angle by rotating the edge of the U-shaped engagement piece within a range of a positive or negative angle with respect to the axial direction of the orthogonal bar-shaped member. It is characterized by that.
The invention according to claim 2 is characterized in that an arc-shaped recess for receiving the bar-shaped member extending in the one direction is provided at an upper edge of the U-shaped engagement piece.

The cruciform joint according to claim 1 of the present invention can be joined in a cruciform shape with a fine adjustment of the crossing angle, and the two rod-like members joined in a cruciform shape can be joined in direct contact with each other. can do.
Further, the cross joint according to claim 2 can stably maintain the set crossing angle.

  FIG. 1 is a perspective view of an embodiment of a framework structure of a simple building, FIG. 2 is a side view thereof, and FIG. 3 is a diagram showing a framework unit of the framework of the simple building. 4 is a drawing showing a three-layer cross pipe joint that joins the ridge wood and the arch material, FIG. 5 is a diagram showing an X-shaped joint that joins the arch materials in an X shape, and FIG. 7 is related to the present invention. It is a figure which shows the cross joint which joins the arch material slightly inclined from the horizontal girder material and perpendicular | vertical. FIG. 7 is a view showing a conventional cross joint.

With reference to FIG. 1 thru | or FIG. 6, the Example of the frame structure of a simple building is demonstrated in detail.
1 represents a framework structure of a simple building composed of a general structural carbon steel pipe. Usually, this framework includes a vinyl-based, polyolefin-based, fluorine-based film, sheet, insect repellent net or other coating material. Covered and used as simple buildings such as greenhouses, cherries, livestock houses, insect-proof houses for outdoor vegetables, and warehouses.

  Reference numeral 2 denotes an inverted U-shaped end arch member in which two curved steel pipes 2a and 2b, which are curved members having a symmetrical shape in front view, are joined by a known joint. It is arranged in the direction between the beams. In this embodiment, two end arch members 2 are installed at both ends of the building at predetermined intervals to form end arch members. However, the number of the end arch members may be one or three. Good.

As shown in FIG. 3, reference numeral 3 denotes a skeleton unit joined by a purlin joint 11 shown in FIG. 4 so as to form an X shape in a plan view and an arch shape in a front view.
The purlin joint 11 is connected to a purlin fixing portion 12 fixed to the purlin wood 5 in the upper stage and a fixing tool 15 such as a bolt below the purlin fixing portion, and one end of four steel pipe pipes to be described later is connected. It is comprised from the X-shaped connection pipe | tube 16 inserted and fixed from an opening part.
The purlin fixing part 12 is composed of a semicircular curved plate 13 fixed to the purlin 5 and an attachment plate 14 integrated by an X-shaped connecting pipe 16 and a fixture 15, and the steel plate is bent. This is formed by welding at a blackened portion shown in FIG. 5 (b).
The semicircular curved plate 12 has an inverted U shape when viewed from the front, and L-shaped members 133 and 133 bent inward and upward are welded to the lower ends of the side plates 131 and 131 on both sides to form a groove 134. Has been.
The groove 134 is formed in a mountain shape having a central portion at the top so that the mounting plate 14 having a tapered leg 141 (to be described later) can be driven from either the left or right side as viewed from the side.
The mounting plate 14 is a kind of wedge in which legs 141 having a tapered lower edge are welded to both ends of an upper plate in which recesses for receiving the heads of the purlin 5 and the fixture 15 are formed in the center in front view. It is.
The X-shaped connecting pipe 16 has two connecting pipes 17 and 18 overlapped in an X shape and intersects three-dimensionally, and is integrated with the mounting plate 14 by a fixture 15 such as a bolt or a nut. .

The skeleton unit 3 has the same height as the above-described steel pipe pipes 2a and 2b for the end arch material, and has a slightly wider width when viewed from the front. The ends of four curved steel pipe pipes 3a, 3b, 3c and 3d, which are the same as the shape of the steel pipe pipe and are symmetrical in front view, are inserted and fixed in the above-mentioned X-shaped connecting pipe 16 and assembled in a cross shape. ing.
At this time, since the attachment plate 14 is fixed to the X-shaped connecting pipe 16, the leg 141 of the attachment plate 14 is brought into contact with the groove 134 of the semicircular curved plate 13 with the purlin 5 sandwiched therebetween, and the semicircular curved The board 13 is slid along the purlin 5 to join the purlin 5 and the frame unit 3 together.
The skeleton unit 3 assembled in this way has an X shape when viewed in plan and an arch shape when viewed from the front.
In this embodiment, the skeleton unit 3 is constituted by four curved steel pipe pipes 3a, 3b, 3c and 3d. However, the present invention is not limited to this embodiment. You may join in the state which crossed three-dimensionally by the X character joint different from a thing.

As shown in FIG. 1, reference numeral 4 denotes a tie bar which is attached to every other X-shaped frame unit 3 which is continuously installed. This tie bar connects the bending members 3 a and 3 d located on the right side of the frame unit 3 in plan view.
Note that the tie bar 4 may be attached to all the skeleton units 3. It is also possible to attach to the left side or both sides of the skeleton unit 3. In short, it may be determined in consideration of regional characteristics such as wind strength and snowfall.
Reference numeral 5 denotes the end arch material and a purlin joined to the top of the arch material, and reference numerals 6 and 7 denote a girder and skirt material joined to the shoulder portions and the lower end portions of the column portions of the arch materials.

Hereinafter, specific installation examples of the above-described end arch material, arch material, building material, girder material, and skirt material will be described.
End arch members 2a with a height of 6m and a column height of 2m from the ground surface to the girders, one at each end of the building in the ridge direction, and another one at an interval of 0.45-0.55m inside It is built, and the column part lower end part is inserted in the soil and is erected to constitute the end arch material 2.
In the middle, a plurality of skeleton units 3 are continuously built with a span of 0.8 to 0.9 m, but as shown in FIG. 1, adjacent skeleton units 3, such as those shown in FIG. The curved members 3a, 3c, 3d, and 3b of 3 and 1 of 3 are arranged so as to overlap with each other by the X-shaped joint 21 between the ridge wood 5 and the girders 6, The lower ends of the pillars of every other frame unit 3, for example, 3 of 1 and 3 of 3 curved members, are arranged so as to be substantially close to each other, and the lower ends thereof are inserted into the soil.

The X-shaped joint 21 will be described with reference to FIG.
FIG. 5B is a plan view in which the pipes 3a and 3c are mounted.
The X-shaped joint 21 is formed by bending a strip-shaped steel plate, and has two identical shapes having a groove-shaped receiving portion 23 inclined by 20 ° which is a predetermined angle with respect to the lateral direction. The steel plates 22 and 22 are superposed with the groove-like receiving portions 23 and 23 facing each other, and are fixed by a fixing tool such as a bolt or a wing nut (not shown).
A circular hole 24 is formed at one end of one of the two steel plates, and a long hole 26 is formed at the other end along an arc centered on the circular hole 24.
And the circular holes 25 and 27 are each drilled in the position corresponding to the said circular hole 24 and the said long hole 26 at the both ends of the other steel plate 22 of the said 2 steel plates.
The circular hole 27 is set to be positioned at the center of the long hole 26 when the steel pipes 3a and 3c intersect at an angle of 40 degrees.
Since one steel plate 22 can be rotated about ± 5 degrees around a fixing tool such as a bolt passing through the circular holes 24 and 25 with respect to the other steel plate 22, the crossing angle between the steel pipes 3a and 3c is slightly changed. Even so, fine adjustment is possible by rotating the steel plates 22 relative to each other.

Next, the cross joint 31 at the shoulder will be described with reference to FIG.
6A is a front view, FIG. 6B is a plan view, and FIG. 6C is a side view.
The cross joint 31 at the shoulder is a joint which joins the arch member 6 or the base member 7 and the arch member in a cross shape in which the arch member is slightly inclined at the shoulder and the skirt of the arch members 2 and 3. is there. Since the cross joint at the shoulder and the cross joint at the skirt have the same structure, the cross joint at the shoulder will be described below.
The cruciform joint 31 is formed by bending a strip-shaped steel plate, and includes a semicircular curved plate 32 that accommodates the beam member 6 or the skirt member 7 extending in the horizontal direction, and an opening formed in the side plate 35 thereof. A U-shaped engagement piece 34 that is inserted through the portion 33 and accommodates the arch member 3 or the end arch member 2 that is a rod-like member, and an inwardly bent piece 37 that is formed at the lower end of the side plate 35 of the semicircular curved plate 32. And a wedge piece 38 that is driven into a gap between the U-shaped engagement piece 34 that holds the steel pipe.
Referring to FIG. 6A, the width of the rectangular opening 33 formed in the semicircular curved plate 32 in the ridge direction is made larger than the width of the U-shaped engagement piece 34, and the opening 33 The upper edge is provided with a large number of engagement recesses 39 that are rotated at an end edge of the U-shaped engagement piece 34 within a range of ± 10 degrees with respect to the orthogonal direction and are received at an arbitrary angle.
Further, an arcuate recess 40 for receiving the beam member 6 (7) is provided at the upper edge of the U-shaped engagement piece 34.
The girder 6 and the skirt member 7 are fixed to the arch members 2 and 3 by the skirt joint having the same structure as the shoulder joint 31.

As is clear from the above description, according to the framework structure of the simple building of this embodiment, in the ridge portion, four steel pipe pipes are integrated by the X-shaped connecting pipe 16 to constitute the framework unit 3. The skeleton unit 3 is fixed to the purlin 5 with the semicircular curved plate 13 and the mounting plate 14, and the arch members of the adjacent skeleton units are joined to each other at the intermediate portion between the purlin 5 and the girder 6 with the X-shaped joint 21. The arch members of the frame units 3 that are adjacent to each other in the shoulder portion are brought close to each other and joined to the beam member 6 to constitute the roof surface.
Between the purlin 5 and the girder 6 on the roof surface, a truss having the purlin 5 as the upper chord material and the girder 6 as the lower chord material is doubled, and a frame with excellent strength is constructed. be able to.

It is a perspective view of the framework structure of a simple building. It is a side view of the framework structure of a simple building. It is a perspective view of the skeleton unit of 1 unit of a skeleton structure. It is drawing which shows a three-layer cross pipe joint. It is a figure which shows the X character joint which joins arch materials in X shape. It is a figure which shows the cross joint which joins the horizontal girder which concerns on this invention, and the arch material slightly inclined from the perpendicular | vertical. It is a figure which shows the conventional cross joint which can adjust crossing angle

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Frame structure of a simple building 2 End arch material 3 Arch material 4 Tie bar 5 Building wood 6 Girder material 7 Hem material 9 Valley fence 11 Three-layer cross pipe joint 12 Purlin fixing part 15 Fixture 16 X-shaped connection pipe 21 X-shaped joint 22 Steel plate 23 Steel plate 31 Cross joint 32 Semi-circular curved plate 34 U-shaped engagement piece 38 Wedge piece

Claims (2)

A semicircular curved plate that accommodates a bar-like member extending in one direction;
A U-shaped engaging piece that is inserted through the side plate through an opening formed in a rectangular shape on the side plate of the semicircular curved plate and accommodates a bar-shaped member orthogonal to the bar-shaped member extending in one direction;
In the cross joint composed of an inwardly bent piece formed at the lower end of the side plate of the semicircular curved plate and a wedge piece driven into the gap between the U-shaped engagement piece,
The width of the opening formed in the semicircular curved plate is larger than the width of the U-shaped engagement piece, and the edge of the U-shaped engagement piece is provided on the upper edge of the opening. The cross joint is characterized in that an engagement concave portion that is rotated within a range of a positive or negative predetermined angle with respect to the axial direction of the orthogonal bar-shaped member and that can be received at an arbitrary angle is formed.   The cross joint according to claim 1, wherein an arcuate recess for receiving the bar-like member extending in the one direction is provided at an upper edge of the U-shaped engagement piece.

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