JPH08246562A - Lateral frame member junction structure of wooden structure, and its implement - Google Patents

Abstract

PURPOSE: To make improvements on its taking time for excavation work or this junction structure lowering strength by enabling a wedge to be made small to tighten a junction metal subject and a lateral frame member by driving a wedge in between them, and also by making the driving-in space provided at a lateral frame member small thereby avoiding a notched part becoming large. CONSTITUTION: A pair of guide pieces 55 and 56 fairly lower than (for example, about one seventh as high as) a core plate 53 are provided on both sides of the core plate 53 of a junction metal subject 51. Furthermore, on the top of the core plate 53 is a wedge receiving groove 60 made through in the thickness direction of the core plate 53. The end face 76 in longitudinal direction of the abutment 67 is pressure contacted to the side face of a pillar 61 by driving a wedge member 77 into the width part 72 at the required position of the vertical slit 70 of the abutment 67 of a lateral frame member such as a beam 62 or the like engaged with the junction metal fitting proper 51 and the wedge receiving groove 60.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to improvements in a structure for joining a horizontal member and a tool therefor in a wooden building.
More specifically, the present invention relates to a connecting structure of horizontal members (beams or girders) and pillars and tools for use in a wooden building using general wood or also a large-scale wooden building using integrated structural materials. Alternatively, it relates to improvement of a joining structure of horizontal members (beams or girders) and a tool for bending.

[0002]

2. Description of the Related Art As a joint structure of a horizontal member (beam) and a column, there is, for example, one disclosed in Japanese Utility Model Publication No. 6-34971 proposed by the present applicant.

The following is a brief description with reference to FIGS. Core plate 2 established on the bottom plate 1
Wedge guide pieces 3, which have the same height as the core plate 2, at symmetrical positions on both sides of
4 is formed, and a fitting main body 6 formed by erecting a mounting plate 5 on one end surface of both plates 1 and 2 is attached to the pillar 7 by the mounting plate 5 with the tightening bolt 8 and the nut 9. There is. The beam 10 has its fitting space 11 fitted to the main joint fitting 6, and at least the wedge guide piece 3,
The driving wedges 12 and 13 having the same length as that of 4 are provided in the fitting space 1
The wide end vertical grooves 14 and 15 receiving the wedge guide pieces 3 and 4 are closely inserted along the wedge guide pieces 3 and 4 into the spare spaces 14 'and 15'. ′ Is pressed against the side surface of the pillar 7. A cover plate 16 is mounted on the upper surface of the beam 10. The cover plate 16 includes a plurality of bolts 18 screwed through through holes 17 into a plurality of screw holes 2 ′ on the upper end surface of the core plate 2 of the main metal fitting 6.
It is tightened and fixed by.

Further, as a joint structure of horizontal members (beams), for example, the actual fairness 6-3 also proposed by the present applicant.
Some are published in Japanese Patent No. 4969.

It will be briefly described below with reference to FIGS. A main metal fitting 25 having wedge guide pieces 21 to 24 at the same height as the core plate 20 is formed at both ends in the longitudinal direction of the core plate 20 established in the bottom plate 19 and at symmetrical positions on both sides thereof. The beams 26 and 27 are fitted and mounted on the fitting spaces 28 and 29 of the respective joint ends, and at least the driving wedges 30 to 33 having the same length as that of the wedge guide pieces are mounted.
The wedge guide pieces 2 are placed in the marginal spaces 34'-37 'of the widened vertical grooves 34-37 which receive the wedge guide pieces of the fitting spaces 28, 29.
1 to 24 are densely inserted and inserted, and the longitudinal end faces 26 'and 27' of the beams 26 and 27 are pressed against each other.
A cover plate 38 is mounted on the upper surfaces of the beams 26 and 27. The cover plate 38 is a plurality of bolts screwed through a plurality of screw holes 20 'in the upper end surface of the core plate 20 of the joining metal fitting main body 25 through through holes 39. It is tightly fixed by 40.

[0006]

The above-mentioned known two-joint structure is sufficient by inserting the driving wedges 12, 13 or 30 to 33 along the wedge guide pieces 3, 4 or 21 to 24. Easy to obtain tightening or joining strength,
The joint strength is improved by the cover plates 16 and 38.

However, the wedge guide pieces 3, 4 or 21 to 24 and the driving wedges 12, 13 or 30 to 3 are used.
Since 3 has the same height (or length) as the core plate 2 or 20, the fitting spaces 14, 28, which are provided in the horizontal member such as a beam,
As a matter of course, 29 is a large space necessary for receiving these wedge guide pieces and the driving wedges, which is troublesome for excavation work, and also has a disadvantage of enlarging a defective portion of the cross member to reduce strength. There is.

Further, in order to fix the cover plates 16 and 38 to the upper surfaces of the core plates 2 and 20, screw holes 2'and 20 'are previously formed in the upper surfaces thereof.
Must be provided. However, in consideration of the diameter of the bolt required in this type of joint structure, the diameter of the screw hole must be at least about 12 mm, and for that purpose, a core plate with a wall thickness of about 20 mm must be used. Moreover, the core plate is usually made of iron due to its nature. Therefore, the weight of the core plate itself and the entire main body of the metal fitting are increased, which is not good as the joint structure of the wooden building.

The present invention has been proposed for the purpose of eliminating such disadvantages and drawbacks.

[0010]

[Means for Solving the Problems] The structure of the horizontal member joining structure in the wooden structure of the present invention according to claim 1 is as follows. The joining metal fitting main body 51 establishes the core plate 53 on the upper surface of the bottom plate 52, and erects the mounting plate 54 on one end surface of the bottom plate 52 and the core plate 53.
On both sides of 3, a pair of guide pieces 55, 5 having a height considerably lower than the height of the core plate 53 (for example, a height of about 1/7).
6 is provided, and a wedge engaging groove 60 is further provided at the upper end of the core plate 53.
Are pierced in the thickness direction of the core plate 53.

The horizontal member such as the beam 62 is connected to the joint end portion 6 thereof.
7, a fitting space 68 having substantially the same shape as the main body 51 of the joining metal fitting, that is, provided on the bottom surface of the joining end portion 67 and the bottom plate 5 described above.
Flat recess 69 with the required size and shape to receive 2
The core plate 53 is provided along the center line of the joining end portion 67 and
A vertical groove 70 of a required size and shape for receiving the above, and a widened portion 72 of a required size and shape provided at a position corresponding to the wedge engaging groove 60 at the upper end opening of the vertical groove 70. A sub-groove 73, 74 provided at a position corresponding to the guide pieces 55, 56 between the flat concave portion 69 and the vertical groove 70 is formed to form a fitting space 68. ing.

The joining metal fitting main body 51 is horizontally attached to one side surface of a pillar 61, and a horizontal member such as a beam 62 is joined to the joining metal fitting main body 51 with the fitting space 68 fitted therein. It is mounted on the metal fitting main body 51.

In the widened portion 72 and the wedge engaging groove 60,
By driving the wedge member 77, the longitudinal end face 76 of the joining end portion 67 of the horizontal member such as the beam 62 is pressed against the side surface of the column 61.

The construction of the horizontal member joining structure in the wooden building of the present invention according to claim 2 is as follows.

The main metal fitting 91 establishes the core plate 93 on the upper surface of the bottom plate 92, and both ends of the bottom plate 92 and the core plate 93 in the longitudinal direction are arranged on both sides of the core plate 93 in comparison with the height of the core plate 93. However, a pair of guide pieces 94 and 95 having a considerably low height (for example, a height of about 1/7) are provided, and the core plate 9 is further provided.
A wedge engaging groove 100 is provided in the upper end portion on both end sides in the longitudinal direction of 3 so as to penetrate in the thickness direction of the core plate 53.

The horizontal members such as the beams 97 ₁ and 97 _{2 which} are joined to each other are fitted to the respective joining ends 101 of the fitting spaces 102 and 102 having substantially the same shape as the outer shape of the joining metal fitting main body 91, that is, joining. The bottom plate 9 provided on the bottom surface of the end portion 101 and
2 is a flat recess 103 having a required size and shape for receiving the respective halves in the longitudinal direction, and is provided along the center line of the joining end portion 101 and is required for receiving the respective halves in the longitudinal direction of the core plate 93. Vertical groove 104 having a size and shape, the vertical groove 104
The widened portion 1 of a required size and shape provided at a position corresponding to the wedge engaging groove 100 at the upper end opening portion of the
06, a fitting space 10 formed by connecting sub grooves 107 and 108 provided between the flat concave portion 103 and the vertical groove 104 at positions corresponding to the guide pieces 94 and 95.
2, 102 are formed.

In a state where these fitting spaces 102, 102 are fitted in the joining metal fitting main body 91, the horizontal members such as the beams 97 ₁ , 97 _{2 and the} like are attached to the bottom plate 92 of the joining metal fitting main body 91. It's on top.

'By pushing the wedge member 111 into the widened portion 106 and the wedge engaging groove 100, the beams 971 and
End face 1 in the longitudinal direction of each joint end 101 of a horizontal member such as 972
10 are pressed against each other.

[0019]

According to the present invention, a pair of guide pieces having a height considerably lower than the height of the core plate (for example, about one-seventh height) provided on the upper surface of the bottom plate mainly made of the joining metal fitting are provided. Since the auxiliary groove of the cross member such as a beam is fitted to this, naturally, the height of the auxiliary groove is also low and a small volume is sufficient. Further, as compared with the case where the guide piece having the same height as that of the conventional core plate is provided, the excavation labor can be reduced, and the fitting work is also easy.

The wedge engagement groove into which the wedge member is driven is a relatively shallow groove provided on the upper end of the core plate mainly made of the joining metal fitting.
Therefore, the wide portion of the vertical groove of the horizontal member corresponding to this is shallow and sufficient, and the cutting process thereof can be easily performed, and the driving amount of the wedge member can be smaller than that in the conventional case.

[0021]

1 to 8 show a first embodiment in which the present invention is applied to a joint structure of a horizontal member (beam) and a column. Reference numeral 51 is mainly a joining metal fitting, which includes a rectangular bottom plate 52, a rectangular core plate 53 of the same shape which is vertically installed along the center line on the upper surface of the bottom plate 52, and the bottom plate 52 and the core plate 53 in the longitudinal direction. It includes a mounting plate 54 standing upright on the side end, and a pair of guide pieces 55, 56 standing upright on both sides of the core plate 53 on the upper surface of the bottom plate 52. Reference numeral 53 'is a bolt insertion hole provided above and below the center of the core plate 53.

The width of the mounting plate 54 is the same as the width of the bottom plate 52,
Further, regarding the height of the core plate 53, the height of the mounting plate 54 is lower by about 1/3 to 1/2 of the plate thickness, and a height difference h is formed between them. The height of the guide pieces 55, 56 is about one seventh of the height of the core plate 53. Also guide piece 5
The upper end portions of the portions 5 and 56 on the side facing the attachment plate 54 are used as guide surfaces in a slanted state.

Numeral 57 ... Bolt through holes formed in the mounting plate 54, which are provided in a required number above and below the portions located on both sides of the core plate 53. Reference numerals 58 and 58 denote J-shaped engaging grooves formed on the upper end portion of the core plate 53 at required intervals, and 59 denotes an engaging groove provided on the upper end portion of the end surface of the core plate 53, which has only a J-shaped tip curved portion. It has a shape. Reference numeral 60 denotes a wedge engagement groove formed in the upper end portion of the core plate 53 between the engagement grooves 58 and 59. The engaging grooves 58 and 59 and the wedge engaging groove 60 all pass through in the thickness direction of the core plate 53.

The main body 51 of the metal fitting is prepared by separately preparing a bottom plate 52, a core plate 53, and a mounting plate 54, which have the same thickness and are made of an iron plate, and assemble them by an appropriate means such as welding or screwing, or the whole. As well as being integrally molded,
It can be easily manufactured by welding or screwing the guide pieces 55 and 56, which are also made of iron plates, at predetermined positions.

Reference numerals 61 and 62 denote columns and beams to be joined. 63
Is a recess formed in the beam joint portion on one side of the pillar 61,
The recess 63 is formed in a required size for receiving the mounting plate 54 and the end of the bottom plate 52. Designated by 64 is a bolt insertion hole formed in the column 61 at a position corresponding to the bolt insertion hole 57 of the mounting plate 54. One end is opened in the recess 63 and the other end is opened in the opposite side of the column 61. ing.

The pillar 61 is mainly connected to the joint fitting 51 having the above-mentioned construction.
Is installed as follows. That is, the mounting plate 54 of the main fitting 51 and the end of the bottom plate 52 are fitted in the recess 63, and the tips of the tightening bolts 65 ... Inserted into the bolt insertion holes 64 ... It projects from the bolt insertion hole 57 ... And the tightening nut 66 is screwed and tightened to the tip of the projection, whereby the main fitting 51 is attached to the pillar 61 (FIG. 2).
~ 4, 6, 7).

The beam 62 has a fitting end portion 67 having a fitting space 68 having substantially the same shape as the outer shape of the joining fitting main body 51 excluding the mounting plate 54. The fitting space 68 is provided on the bottom surface of the joining end portion 67 of the beam 62 and has a required size and shape for receiving the bottom plate 52. A flat concave portion 69 is provided along the center line of the joining end portion 67. A vertical groove 70 which is provided and has a required size and shape for receiving the core plate 53, and an upper end opening portion of the vertical groove 70 which corresponds to the engaging grooves 58 and 59 and the wedge engaging groove 60. Widened portions 71 and 72 of a required size and shape provided at the position, the flat concave portion 6
Sub-grooves 73 and 74 provided at positions corresponding to the guide pieces 55 and 56 between the vertical groove 70 and the vertical groove 70 are continuously formed.

A bolt 75 is provided at a position which penetrates the joint end portion 67 of the beam 62, and is also orthogonal to the vertical groove 70, at a position corresponding to the bolt insertion hole 53 '. It is an insertion hole.

The flat concave portion 69 is opened not only on the bottom surface of the joining end portion 67 but also on the longitudinal end surface 76 thereof, and the vertical groove 70 is opened on the upper surface of the joining end portion 67 and the longitudinal end surface 76, and the widening portion 71 is formed. ... and 72 are opened on the same upper surface.

The beam 62 is joined to the column 61 as follows. First, the vertical groove 70 of the joining end portion 67 fitting space 68 is fitted to the core plate 53 of the joining metal fitting main body 51 attached to the pillar 61 as described above, and the sub groove 7
3 and 74 are fitted to the guide pieces 55 and 56, and the flat concave portion 69 is fitted to the bottom plate 52.

As a result, as is apparent from FIGS. 2 and 3, the joint end portion 67 of the beam 62 has the bottom plate 5 of the joint fitting main body 51.
2, the widened portions 71 ... And 72 of the vertical groove 70 substantially correspond to the engaging grooves 58 and 59 and the wedge engaging groove 60, respectively, and the bolt insertion holes 53 'and 75 substantially correspond to each other. Correspond. Further, the upper surface of the joint end portion 67 of the beam 62 is flush with the upper end surface of the mounting plate 54 of the joint fitting main body 51, and due to the above-mentioned height difference h, the upper surface of the joint end portion 67 and the upper surface of the core plate 53. A slight gap s is formed between the and.

Next, the wedge member 7 separately formed in the widened portion 72 and the wedge engaging groove 60 which are substantially corresponding to each other as described above.
Type in 7. As a result, the entire beam 62 moves to the side of the column 61, and the end face 76 in the longitudinal direction of the joining end portion 67 of the beam 62 moves toward the column 61.
Of the vertical groove 70 and the widened portion 71 of the vertical groove 70 ...
And the engaging grooves 58 and 59 are aligned with each other, and the bolt insertion hole 5
3'and 75 also agree. Therefore, the tightening bolt 78 is inserted from one of these bolt insertion holes 53 'and 75, and the other side is tightened by the nut 79 shown in FIG. 1 (FIG. 4).

From the above, it can be considered that the joint structure of the column 61 and the beam 62 is completed for the time being. However, in order to further increase the strength and improve the appearance, it is preferable that the cover plate 80 is mounted and tightened on the upper surface of the joining end portion 67 of the beam 62.

Reference numeral 81 is a bolt member used to fix the cover plate 80 to the upper surface of the core plate 53 of the main fitting 51.
The bolt member 81 is formed by sandwiching and projecting a bolt 85 between the upper ends of a square U-shaped engagement frame 84 in which a spacer 83 is sandwiched between the lower ends of a pair of side pieces 82, 82. The spacer 83 and the bolt 85 are firmly welded and assembled by brazing welding or the like.

In the bolt member 81, the engaging frame 84 is inserted into each of the widened portions 71 of the vertical groove 70 and the engaging grooves 58 and 59 which are aligned as described above, and the spacer 83 is engaged. Engages and supports the J-shaped tip curved portions of the grooves 58 and 59 (FIG.
~ 7). Therefore, the through holes 80 ′ of the cover plate 80 are fitted into the bolts 85 of the bolt members 81, and the cover plate 80 is mounted on the upper surface of the joint end 67 of the beam 62. At this time, the above-mentioned gap s is left between the cover plate 80 and the upper end surface of the core plate 53, but the nut 87 is fitted to the bolt 85 protruding from the through hole 80 'via the washer 86 to tighten the bolt. By doing so, the cover plate 80 is brought into close contact with the upper end surface of the core plate 53 (FIGS. 7 and 8).

In the present invention, as described above, the engaging grooves 58 and 59 are provided in the upper end portion of the core plate 53 so as to penetrate therethrough in the thickness direction thereof, so that screw holes for bolts are formed on the core plate 53. Eliminates the need to drill on the end face. This is because if a screw hole for such a bolt is to be drilled, the screw hole needs to have a diameter of at least 12 mm because of the relationship with the diameter of the bolt that is normally required due to the nature of this type of joint structure. Core plate 5
The thickness of 3 must be about 20 mm, and the core plate 53, and hence the main metal fitting 51, becomes a heavy object, which is not preferable as a joint structure, but the present invention avoids this. Is what you are doing.

9 to 16 show a second embodiment in which the present invention is applied to a joint structure of horizontal members (beams). Reference numeral 91 is mainly a joining metal fitting, which includes a rectangular bottom plate 92, a rectangular core plate 93 that is also vertically installed on the upper surface of the bottom plate 92 along the center line, and in the longitudinal direction of the bottom plate 92 and the core plate 93. A pair of guide pieces 94 at both ends and standing upright on both sides thereof,
And 95. Incidentally, 96 is a bolt insertion hole provided above and below the core plate 53 near the guide pieces 94 and 95.

The upper end surface of the core plate 93 is set to be slightly lower than the upper surfaces of the beams 971 and 972 to be joined, and a height difference h is formed between them. The height of the guide pieces 94 and 95 is about 1/7 of the height of the core plate 93. Further, the upper end portions of the guide pieces 94 and 95 on the opposite sides are set to be obliquely cut guide surfaces.

Reference numeral 98 ... Represents a J-shaped engaging groove formed in the upper end portion of the core plate 93 at a required interval, and 99 is an engaging groove provided in the upper end portion of the longitudinal end surface of the core plate 93. It has a shape with only a curved tip. Reference numeral 100 denotes a wedge engagement groove formed in the upper end portion of the core plate 93 between the engagement grooves 98 and 99. The engaging grooves 98, 99 and the wedge engaging groove 100 all penetrate in the thickness direction of the core plate 93.

In this joint fitting main body 91, a bottom plate 92 and a core plate 93 having the same thickness and made of an iron plate are prepared separately, and these are assembled by an appropriate means such as welding or screwing, or the whole is integrally molded. It can be easily manufactured by welding or screwing the guide pieces 94 and 95 also made of iron plate in a predetermined position.

The beams 97 ₁ and 97 ₂ have their respective joint ends 10
1, fitting cavities 102, 102 having substantially the same shape as the outer shape of the main fitting 91 are formed. This fitting space 102
Is a flat recess 103 provided on the bottom surface of the joining end portion 101 and having a required size and shape to receive each half of the bottom plate 92 in the longitudinal direction, and is provided along the center line of the joining end portion 101. A vertical groove 104 having a required size and shape for receiving each half of the core plate 93 in the longitudinal direction, and the vertical groove 10
4, widened portions 105 ... 106 having a required size and shape, which are provided at positions corresponding to the engaging grooves 98, 99 and the wedge engaging groove 100 in the upper end opening portion of No. 4, and the flat concave portion 103. Between the vertical groove 104 and the vertical groove 104, and the auxiliary groove 10 provided at a position corresponding to the guide pieces 94 and 95.
It is formed by continuously forming 7,108.

It should be noted that 109 is located at a position corresponding to the bolt insertion hole 96 so as to traverse the joint end portion 101 of the beams 97 ₁ and 97 ₂ and therefore also to be orthogonal to the vertical groove 104. It is a bolt insertion hole provided.

The flat recess 103 is opened not only on the bottom surface of the joining end portion 101 but also on the longitudinal end surface 110 thereof, and the vertical groove 10 is formed.
4 is open to the upper surface of the joint end 101 and the longitudinal end surface 110, and the widened portions 105 ... And 106 are open to the upper surface.

The beams 971 and 972 are joined in the following manner. First, each joining end 101 is mounted on the bottom plate 92 of the joining fitting main body 91 by fitting the fitting space 102 into the joining fitting main body 91. That is, it fits the vertical groove 104 into the core plate 93,
07 and 108 on the guide pieces 94 and 95, and the flat concave portion 1
03 to the bottom plate 92 by fitting and matching.

As a result, the widened portions 105 ... And 106 of the vertical grooves 104 of the joint ends 101, 101 of the beams 97 ₁ , 97 ₂ and the engagement grooves 98, 99 and the wedge engagement groove 100 of the main fitting 91 of the metal fitting are formed. Is almost compatible, and the bolt insertion hole 96
And 109 almost correspond to each other. In addition, the upper surfaces of the joint ends 101, 101 are flush with each other, and due to the above-described height difference h, a slight gap s is formed between the upper surfaces of the joint ends 101, 101 and the core plate 93. Form.

Next, the separately formed wedge member 111 is driven into the widened portion 106 and the wedge engaging groove 100, which are substantially corresponding to each other as described above. As a result, the beams 97 ₁ and 97 ₂
The whole moves toward each other and presses the longitudinal end faces 110 thereof against each other. Further, the widened portion 105 of the vertical groove 104 and the engaging grooves 98 and 99 are aligned, and the bolt insertion holes 96 and 10 are formed.
9 matches. Therefore, these bolt insertion holes 96 and 1
09, the tightening bolt 112 is inserted from one side, and the nut 113 is tightened on the other side.

From the above, it can be considered that the joint structure of the beams 97 ₁ and 97 ₂ is temporarily completed. However, in order to further increase the strength and improve the appearance, it is preferable that the cover plate 114 is mounted and tightened on the upper surfaces of the joint ends 101, 101.

Reference numeral 115 designates a cover plate 114 as a main fitting 91
This is a bolt member used for fixing to the upper surface of the core plate 93, and has the same configuration as the bolt member 81 of the first embodiment. That is, the bolt member 115 includes a pair of side pieces 116,
A U-shaped engaging frame 118 having a spacer 117 sandwiched between lower ends of the bolts 119 has a bolt 119 sandwiched between the upper ends of the engaging frames 118. The side pieces 116, the spacer 117, and the bolt 119 are mutually joined by brazing welding or the like. It is firmly welded and assembled.

The bolt member 115 has the widened portions 105, ... Of the vertical groove 104 and the engaging grooves 98, 9 which are aligned as described above.
9, the engaging frame 118 is inserted, and the spacer 117 is engaged and supported by the J-shaped tip curved portions of the engaging grooves 98 and 99 (FIG. 12). Therefore, the through holes 120 of the cover plate 114 are fitted into the bolts 119 of the bolt members 115, and the cover plate 114 is mounted on the upper surface of the joint end portion 101 of the beams 97 ₁ and 97 ₂ . At this time, the above-mentioned gap s is left between the cover plate 114 and the upper end surface of the core plate 93.
The nut 122 is fitted to the bolt 119 protruding from 0 through the washer 121, and the nut 122 is tightened, so that the cover plate 1
14 is brought into close contact with the upper end surface of the core plate 93 (see FIGS.
5).

[0050]

According to the present invention, a pair of guide pieces having a height considerably lower than the height of the core plate (for example, about 1/7 of the height) established on the upper surface of the bottom plate mainly composed of the joining metal fitting is provided. Since the auxiliary groove of the horizontal member such as a beam is fitted to this, the height of the auxiliary groove is naturally low and a small volume is sufficient. It can be maintained, and the excavation work can be reduced as compared with the case where the guide piece having the same height as that of the conventional core plate is provided, and the fitting work is easy.

The wedge engaging groove into which the wedge member is driven is a relatively shallow groove provided on the upper end portion of the core plate mainly made of the joining metal fitting.
Therefore, the wide portion of the vertical groove of the horizontal member corresponding to this is shallow and sufficient, and the cutting process thereof can be easily performed, and the driving amount of the wedge member can be smaller than that in the conventional case.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a first embodiment in which the present invention is applied to a joint structure of a horizontal member (beam) and a column.

FIG. 2 is a side view showing a state in which a joining metal fitting main body is attached to the same pillar.

FIG. 3 is a vertical cross-sectional view showing a state in which a beam is mounted on the above-mentioned joining metal fitting main body.

FIG. 4 is a vertical cross-sectional view showing a state in which a wedge member is cast on the above-mentioned beam and the joint end face thereof is pressed against the column.

FIG. 5 is a perspective view of a bolt member and a groove portion that engages the bolt member.

FIG. 6 is a vertical cross-sectional view showing a state in which a bolt member is engaged with each of the above grooves together with a cover plate.

FIG. 7 is a vertical cross-sectional view of a joint structure of a horizontal member (beam) and a pillar of the present invention, which is completed by tightening and fixing the above cover plate with nuts.

FIG. 8 is a perspective view of the above.

FIG. 9 is an exploded perspective view of a second embodiment in which the present invention is applied to a joint structure of horizontal members (beams).

FIG. 10 is a front view of the same joining metal fitting as the main body.

FIG. 11 is a vertical cross-sectional view showing a state in which beams are mounted on both sides of the above-described joining metal fitting main body.

FIG. 12 is a vertical cross-sectional view of a state in which the joint end faces of the beams are pressed against each other by driving a wedge member.

FIG. 13 is a perspective view of a bolt member and a groove portion that engages with the bolt member.

FIG. 14 shows a state in which a bolt member is engaged with each groove of the above,
It is a longitudinal cross-sectional view shown with a cover plate.

FIG. 15 is a vertical cross-sectional view of the joint structure of the horizontal members (beams) of the present invention, which is completed by tightening and fixing the above cover plate with nuts.

FIG. 16 is a perspective view of the above.

FIG. 17 is a perspective view of a known example of a joint structure of a horizontal member (beam) and a column.

FIG. 18 is an exploded perspective view of the above.

FIG. 19 is a perspective view showing a state in which the above wedge member is driven.

FIG. 20 is a perspective view of a known example of a joint structure of horizontal members (beams).

FIG. 21 is an exploded perspective view of the above.

FIG. 22 is a perspective view showing a state in which the above wedge member is driven.

[Explanation of symbols]

51 Main metal fittings 52 Bottom plate 53 Core plate 54 Mounting plate 55 Guide piece 56 Guide piece 60 Wedge engagement groove 61 Column 62 Beam 67 Joint end 68 Fitting empty space 69 Flat concave 70 Vertical groove 72 Widened portion 73 Sub groove 74 Sub-groove 76 Longitudinal end surface 77 Wedge member 91 Joining metal fitting main body 92 Bottom plate 93 Core plate 94 Guide piece 95 Guide piece 97 ₁ Beam 97 ₂ Beam 100 Wedge engaging groove 101 Joining end portion 102 Fitting empty space 103 Flat recess 104 104 Vertical Groove 106 Widened portion 107 Sub-groove 108 Sub-groove 110 Longitudinal end surface 111 Wedge member

Claims (4)

[Claims] 1. A main body of a joining metal fitting establishes a core plate on an upper surface of a bottom plate, and erects a mounting plate on one end surface of the bottom plate and the core plate, and the core is provided on the upper surface of the bottom plate and on both sides of the core plate. A pair of guide pieces having a height considerably lower than the height of the plate (for example, a height of about 1/7) is provided, and a wedge engaging groove is formed at the upper end of the core plate in the thickness direction of the core plate. It is provided so as to penetrate, and a horizontal member such as a beam is provided at its joint end with a fitting space of substantially the same shape as the main body of the joint metal, that is, provided on the bottom surface of the joint end and with the bottom plate. A flat recess having a required size and shape for receiving, a vertical groove provided along the center line of the joint end and having a required size and shape for receiving the core plate, and an upper end opening portion of the vertical groove. And a widened portion of a required size and shape provided at a position corresponding to the wedge engaging groove,
Forming a fitting space formed by continuing a sub-groove provided at a position corresponding to the guide piece between the flat concave portion and the vertical groove, on one side surface of the pillar, The main body of the joining metal fitting is mounted horizontally, and a horizontal member such as a beam is mounted on the main body of the joining metal fitting in a state where the fitting space is fitted to the main body of the joining metal fitting. By striking a wedge member into the groove and the widened portion corresponding to the groove, the longitudinal end face of the joint end portion of the transverse member such as a beam is pressed against the side face of the column. Structure joint structure. 2. The main body of the joining metal fitting establishes a core plate on the upper surface of the bottom plate, and both ends of the bottom plate and the core plate in the longitudinal direction are considerably lower than the height of the core plate. A pair of guide pieces (for example, about one-seventh height) are provided, and further, wedge engaging grooves are formed in the upper end portions of the core plate on both ends in the longitudinal direction so as to penetrate in the thickness direction of the core plate. Provided that a horizontal member such as a beam to be joined to each other is provided at each joining end portion in a fitting space having substantially the same shape as the outer shape of the joining metal fitting, that is, on the bottom surface of the joining end portion. A flat recess having a size and shape required to receive each half of the bottom plate in the longitudinal direction, and a size required to receive each half of the core plate in the longitudinal direction provided along the center line of the joint end. A vertical groove having a shape, and provided at a position corresponding to the wedge engaging groove at the upper end opening portion of the vertical groove. A fitting space is formed by connecting a widening portion of a required size and shape with a beam, and a sub-groove provided at a position corresponding to the guide piece between the flat concave portion and the vertical groove. In the state where these fitting spaces are fitted to the joining metal fitting main body, the horizontal members such as beams to be joined to each other are mounted on the bottom plate mainly of the joining metal fitting. That is, by driving a wedge member into the wedge engagement groove and the widened portion thereof, the longitudinal end faces of the respective joint ends of the horizontal members to be joined to each other are pressed against each other. A horizontal material joining structure for a wooden building. 3. A core plate is established on the upper surface of the bottom plate, and a mounting plate is erected on one end surface of the bottom plate and the core plate. The mounting plate is on the upper surface of the bottom plate and on both sides of the core plate at the height of the core plate. A pair of guide pieces having a considerably lower height (for example, a height of about 1/7) is provided, and further, a wedge engaging groove is formed in the upper end portion of the core plate so as to penetrate in the thickness direction of the core plate. A tool for joining a horizontal member of a wooden building, which is mainly composed of a joining metal fitting provided and a wedge member driven into the wedge engaging groove. 4. A core plate is established on the upper surface of the bottom plate, and both ends of the bottom plate and the core plate in the longitudinal direction are provided on both sides thereof.
A height considerably lower than the height of the core plate (for example, about 1/7)
A pair of guide pieces each having a height of), and further, a wedge fitting groove is formed at both upper end portions of both ends of the core plate in the longitudinal direction so as to penetrate in the thickness direction of the core plate. A tool for joining a horizontal material of a wooden building, which comprises a wedge member driven into each of the wedge engaging grooves.