JP6245592B1 - Sitting tool, wood member joining structure using the same, and wood member joining method - Google Patents

Abstract

[PROBLEMS] To construct a wooden shaft structure in a manner that enables rapid construction and that the structure after construction is less exposed when metal parts are viewed from below so that the design is more preferable in design. Provided is a wood member joining structure that can be used. A wood member joining structure C1 is sandwiched between a pair of wood members 2 and 3 arranged along the same straight line and joint surfaces 200 and 300 of the respective wood members, and is a flat seat. A main body 10, flat seat surfaces 13, 14 and 15, 16 formed on joint surfaces 11 and 12 of the front and back of the sitting body, and inclined at a required angle so that the plate thickness decreases toward the tip edge; And through holes 130 and 150 penetrating through the opposite surface perpendicular to one of the seating surfaces 13 and 15, and through the surface opposite to the other seating surface 14 and 16. A sitting tool 1 having holes 140 and 160, and a lag screw 4 screwed so as to pass through the through holes 20 and 30 of the wooden members 2 and 3 from the through holes of the sitting tool and joining the wooden members to each other. Prepare. [Selection] Figure 1

Description

  The present invention relates to a sitting tool, a wood member joining structure using the sitting tool, and a wood member joining method. Specifically, when constructing a wooden shaft structure, it enables rapid construction, and when the structure after construction is viewed from below, there is less exposure of metal parts, and a wooden structure is actively It is related with what can be made into a more preferable form in terms of design.

  In recent years, various wooden shaft structures such as a framework of various structures such as wooden bridges and roofs have been widely constructed. The wooden shaft structure is constructed by joining wooden members such as column members and beam members, which are constituent members, with a connecting tool such as a connecting bolt or a connecting bracket. Various structures are used for joining the wood members. For example, there is a wood member joining structure described in Patent Document 1 proposed by the present inventor. Patent Document 1 discloses a sitting tool used for a wood member joining structure as an invention.

  In the wood member joining structure described in Patent Document 1, the connection bolts are adjacently crossed at the joint portion of the wood members to be joined and passed through the through holes, and each connection bolt is fixed via a seat and a nut. To be connected. In addition, the sitting tool used at both ends of each connecting bolt can suppress the deformation and deformation after the construction of the wooden shaft structure by suppressing the deformation of the surface due to the load acting on the surface in the direction of the wood fiber. Is.

JP 2014-134072 A

  The connection structure and the sitting tool of the conventional wooden member are sufficiently useful in that the loosening and deformation after the construction of the wooden shaft structure can be suppressed. However, it has been found that there is room for further improvement as the construction of the joint structure is repeated on the ground.

  That is, it is necessary to process a hole for accommodating the sitting tool in advance in the wooden member, and two sitting tools and nuts are required for each connecting bolt. For this reason, since the work which fixes a connection bolt to a junction takes considerable time, the subject that construction requires a long time has arisen.

  In addition, when the joint is viewed from below after construction, the seating fixture and nut are exposed at one location for each connecting bolt, and as a recent trend, the details of the structure are actively shown rather than hidden. In many cases, in a wooden shaft structure, a form in which metal parts exposed on a wood portion are scattered is not so preferable from the viewpoint of design.

  The present invention was devised in view of the above points. In constructing a wooden shaft structure, the present invention enables rapid construction, and is made of metal when the structure after construction is viewed from below. Providing a seating tool that can be made into a more preferable form in terms of design with less exposure of parts and positively showing a woody structure, a woody member joining structure using the same, and a woody member joining method It is intended to do.

(1) In order to achieve the above object, the present invention is formed on a surface opposite to a joint surface of a rectangular flat plate seat body and a pair of end edges located at opposite positions of the seat body. And a flat seat surface inclined at a required angle so that the plate thickness is reduced toward the tip edge, and a surface opposite to the seat surface from the seat surface in a direction perpendicular to the seat surface. It is a sitting tool used for the joining structure of the wooden member provided with the required number of through-holes for letting the lag screw pass through.

  The sitting tool according to the present invention is formed at a required angle so that the plate thickness decreases toward the tip edge on the surface opposite to the joint surface of the pair of end edges located at the opposite positions of the rectangular and flat seat body. Since it has the inclined flat seat surface, the arrangement direction of the through-hole provided in a seat surface can be made parallel in the edge part of the both sides of a sitting tool. According to this, since the positions of the lag screws are aligned, it becomes easy to perform the construction.

  Further, the seat surface becomes a portion to which the head of the lag screw is crimped when the lag screw is obliquely screwed into the wooden member. Furthermore, the seating surface is inclined with respect to the joint surface on the opposite side. Therefore, the seat surface is also inclined with respect to the joint surface of the wooden member that is in close contact with the joint surface, so that when the lag screw is screwed into the wooden member obliquely. In addition, the pressure-bonding surface and the seating surface of the head are in close contact with each other without any gaps, and thereby are in close contact with a uniform pressure with a maximum area.

  Furthermore, when the sitting tool is used for the joining structure of the wooden member, it is possible to join the wooden member by passing the lag screw through the through hole of the sitting tool and screwing it diagonally into the wooden member. Thus, compared to a structure that uses two seating fixtures and nuts to fix each connection bolt, the labor of construction is reduced and rapid construction is possible when constructing a wooden shaft structure. . It should be noted that the term “rectangle” in the present invention is used to mean “square”.

(2) The sitting tool of the present invention is formed on a joint surface on both front and back sides of a pair of end edges located at opposite positions of the rectangular and flat sitting tool body and facing the leading edge. A flat seat surface inclined at a required angle so as to reduce the plate thickness, and provided on the edge portion of the seat body, on a surface opposite to one of the seat surfaces on both the front and back sides in a direction perpendicular to the seat surface. A required number of through-holes for passing the lag screw and a required number of through-holes for passing the lag screw penetrated in a surface perpendicular to the other seating surface.

  The sitting tool according to the present invention is inclined at a required angle so that the plate thickness is reduced toward the tip edge on the joint surfaces on both the front and back sides of a pair of end edges located at opposite positions of the rectangular and flat seat body. Therefore, the arrangement direction of the through holes provided in the seating surface can be made parallel at the edge portions on both sides of the sitting tool. According to this, since the positions of the lag screws are aligned, it becomes easy to perform the construction.

  Further, the seat surface becomes a portion to which the head of the lag screw is crimped when the lag screw is obliquely screwed into the wooden member. Furthermore, the seating surface is inclined with respect to each joint surface, and therefore also with respect to the joint surface of the wooden member that is in close contact with the joint surface, so that the lug screw is passed through the through hole and obliquely on the wooden member. When screwed in, the pressure-bonding surface and the seating surface of the head are in close contact with each other without any gap, and thereby are in close contact with even pressure in the maximum area.

  Furthermore, when the sitting tool is used for the joining structure of the wooden members, the lag screw is passed through the through hole penetrating the opposite surface in the direction perpendicular to one of the seat surfaces on the front and back sides, and the other seat surface. The lug screw is passed through a through-hole penetrating the opposite surface in the direction perpendicular to the wood and screwed into the wooden member. That is, according to this sitting tool, the lug screw can be screwed in both the front and back directions of the sitting tool, so that it is possible to join the wooden members having the bonding surfaces in close contact with the bonding surfaces on both the front and back surfaces with the sitting tool interposed therebetween. become.

  In addition, compared to the conventional structure that uses two seating fixtures and nuts to fix each connection bolt, the construction effort is reduced, and the construction of the wooden shaft structure is quicker. Is possible.

(3) The sitting tool of the present invention may be configured such that the through holes are provided on the seating surfaces on both front and back sides that are alternately different in the arrangement direction of the through holes.

  In this case, when the lag screw is obliquely screwed into the wooden member through the through hole, it can be screwed so as to be alternately inclined in the arrangement direction. According to this, the space | interval of the lag screw screwed in parallel can be expanded only by one, and the intensity | strength of the wooden part between lag screws can fully be ensured. Therefore, it is possible to suppress the occurrence of cracks and cracks in the wooden member after construction, and it is more preferable in order to increase the safety as a structure.

(4) In order to achieve the above object, the present invention provides a connector having a plurality of movable arm portions, a rectangular flat plate seat body attached to the distal end of the movable arm portion, and the seat. A flat seating surface formed at a joint surface of a pair of end edges at opposite positions of the fixture body and inclined at a required angle so that the plate thickness decreases toward the tip edge, and the edge of the seat fixture body A seating tool provided with a required number of through holes for passing a lag screw, which is provided in a section and penetrates from the seating surface to a surface opposite to the seating surface in a direction perpendicular to the seating surface; A wood member having a prepared hole formed at a required depth at a required angle with the joint surface, and screwed to pass from the through hole of the sitting tool to the prepared hole of the wooden member. A wood member joining structure comprising: the sitting tool and a lag screw joining the wood member It is.

  The wood member joining structure according to the present invention includes a plurality of movable arm portions in the joint, and a lug screw is screwed into a prepared hole provided in advance in a seat attached to the tip of the joint. Can be joined. Therefore, it is possible to perform construction in which multiple wooden members are arranged in different directions with the joint as the center, and it is possible to further expand the variation of the conventional construction form that mainly joins wooden members together Become. In addition, about each effect | action which concerns on a sitting tool, since it is the same as that of the description described in said (1), it abbreviate | omits here.

(5) In order to achieve the above object, the present invention provides a set of woods having a pilot hole that is arranged with the central axis aligned with the same straight line and formed at a required depth with a required angle with the joint surface. It is sandwiched between the members and the joint surfaces of the wooden members, and is formed on the joint surfaces on both the front and back sides of a pair of end edges located at opposite positions of the rectangular and flat plate-like seat body. A flat seat surface inclined at a required angle so that the plate thickness is reduced toward the tip edge, and provided at the end edge portion of the seat body, and perpendicular to one of the seat surfaces on both sides And a required number of through-holes for passing the lag screw, and a required number of through-holes for passing the lag screw perpendicularly to the other seating surface. A seating tool and screwed to pass through the through hole of the seating tool to the pilot hole of each wooden member; Serial is a joint structure of the wood member and a lag screw that joins the wood members together.

  In the wood member joining structure according to the present invention, the wood members to be joined can be placed in a state in which there is no deviation by arranging the wood members to be joined with the central axis aligned with the same straight line. Then, when constructing the joining structure of the wooden members, the lag screw is passed through the through hole penetrating the surface opposite to the one of the seat surfaces on both sides of the seat member in the direction perpendicular to the seat surface, and the other seat. A lag screw is passed through a through-hole penetrating the opposite surface in the direction perpendicular to the surface and screwed into the wood member.

  That is, since the lag screw can be screwed in both the front and back sides of the sitting tool, it is possible to join the wood members having the bonding surfaces in close contact with the joining surfaces on both the front and back sides with the sitting tool interposed therebetween. In addition, about each effect | action which concerns on a sitting tool, since it is the same as that of the description described in said (2), it abbreviate | omits here.

(6) In the wood member joining structure of the present invention, an accommodation recess for housing the seating tool is formed by bringing the joining surface of the wood member into close contact with at least the lower joining surface during construction. It is good also as a structure.

  In this case, when the joined portion of the structure after construction is viewed from below, the lower side of the wooden member is in close contact, so even if the sitting tool is exposed to the side, it is difficult to see. Also, the head of the lag screw located on the seat surface of the sitting tool is similarly difficult to see. Therefore, there is no exposure of metal parts on the wooden member, and it is possible to obtain a more preferable form in terms of design when actively showing a wooden structure.

(7) The wood member joining structure of the present invention has a structure in which the wood member is provided with a slot for inserting a lag screw provided in the same direction as the other wood member corresponding to the prepared hole. Also good.

  In this case, since the head of the lag screw will fit in the insertion hole, even if the head of the lag screw is located in the lower part when constructing the wooden member, the joint part of the structure after construction is moved downward It is difficult to see the sitting tool and lag screw when viewed from above.

(8) In order to achieve the above object, the present invention provides a rectangular flat plate seat body attached to the distal end of the movable arm portion of a connector having a plurality of movable arm portions, A flat seat surface formed at a joint surface of a pair of end edges located at opposite positions and inclined at a required angle so that the plate thickness decreases toward the tip edge, and provided at the end edge of the seat body The seating surface of the seating tool having a required number of through holes for passing the lag screw, which penetrates from the seating surface to a surface opposite to the seating surface in a direction perpendicular to the seating surface, is required with the jointing surface and a required angle. Abutting the joint surface of the wooden member having a pilot hole formed to a depth, and fixing by screwing a lag screw so as to pass from the through hole of the sitting tool to the pilot hole of the wooden member; It is the joining method of the wooden member which joins a sitting tool and the said wooden member.

  The method of joining wooden members according to the present invention can perform construction in which a plurality of wooden members are arranged in different directions with a joint as a center, and the conventional construction mode mainly involves joining together wooden members. Variations can be expanded further. In addition, about each effect | action which concerns on a sitting tool, since it is the same as that of the description described in said (1), it abbreviate | omits here.

(9) In order to achieve the above-mentioned object, the present invention has a pilot hole formed at a required depth with a required angle with a bonded surface in a bonded portion, and the angle between the bonded surface and the lower hole is parallel to the front and back. A rectangular and flat seat between a set of wooden members set at the same angle as the through-holes on both sides, with the central axis aligned on the same straight line, and the joint surface of each wooden member A flat seating surface formed at a joint surface on both the front and back sides of a pair of end edges located at opposite positions of the main body and the sitting tool body, and inclined at a required angle so that the plate thickness decreases toward the tip edge; The required number of through-holes for passing the lag screw, which are provided at the end edge portion of the sitting tool body, penetrate the surface opposite to the one of the seat surfaces on the front and back sides, and the other. The required number of through-holes for passing the lag screw through the opposite surface perpendicular to the seat surface A wooden member comprising: a step of sandwiching a sitting tool; and a step of screwing and fixing a lag screw so as to pass from each through hole to each pilot hole at a position corresponding to each through hole, and connecting each wooden member It is a joining method.

  In the wood member joining method according to the present invention, the wood members to be joined can be placed in a state in which there is no deviation by arranging the wood members to be joined with the central axis aligned with the same straight line. Then, when constructing the joining structure of the wooden members, the lag screw is passed through the through hole penetrating the surface opposite to the one of the seat surfaces on both sides of the seat member in the direction perpendicular to the seat surface, and the other seat. A lag screw is passed through a through-hole penetrating the opposite surface in the direction perpendicular to the surface and screwed into the wood member.

  That is, since the lag screw can be screwed in both the front and back sides of the sitting tool, it is possible to join the wood members having the bonding surfaces in close contact with the joining surfaces on both the front and back sides with the sitting tool interposed therebetween. In addition, about each effect | action which concerns on a sitting tool, since it is the same as that of the description described in said (2), it abbreviate | omits here.

  The present invention enables rapid construction when constructing a wooden shaft structure, and when exposed to the structure after construction, there is less exposure of metal parts, and a positively wooden structure. In the design, a sitting tool that can be made in a more preferable form in design, a wood member joining structure using the same, and a wood member joining method can be provided.

1st Embodiment of the sitting tool which concerns on this invention is shown, (a) is perspective explanatory drawing, (b) is AA sectional drawing in (a). 1st Embodiment of the joining structure of the wooden member which concerns on this invention is shown, (a) is side view explanatory drawing, (b) is side view explanatory drawing of the state which removed the lag screw. The 1st Embodiment of the joining structure of the wooden member which concerns on this invention is shown, (a) is BB sectional explanatory drawing in Fig.2 (a), (b) shows the state before screwing a lag screw B- FIG. While showing 2nd Embodiment of the sitting tool which concerns on this invention, 1st Embodiment of the joining structure of the wooden member which uses the sitting tool is shown, (a) is side view explanatory drawing, (b) is plane FIG. While showing 2nd Embodiment of the sitting tool which concerns on this invention, it is plane view explanatory drawing which shows 2nd Embodiment of the joining structure of the wooden member which uses the sitting tool.

The embodiment of the present invention will be described in more detail with reference to FIGS.
First, refer to FIG.
A sitting tool 1 shown in FIG. 1 is made of metal (for example, steel) and has a rectangular and flat sitting tool body 10. The sitting tool body 10 has a processed portion described below.

  Both front and back surfaces of the sitting tool body 10 are joining surfaces 11 and 12 that contact the joining surfaces 200 and 300 of the wood members 2 and 3 to be joined. A pair of end edges at opposite positions of the sitting body 10 are formed on a flat seat surface 13 inclined at the same angle so that the thickness of the joint surfaces 11 and 12 decreases toward the tip edge. 14 and seating surfaces 15 and 16 are formed.

  Each seating surface 13, 14, 15, 16 is formed in an elongated rectangular shape, and a chamfered portion is provided at the front edge of the seating surface 13, 14 corresponding to the front and back and the seating surface 15, 16 corresponding to the front and back. 100 is provided, and the sharp portion is not provided, so that it can be handled safely in construction.

  Through holes 130 and 140 for passing the lag screw 4 (described later) pass through each of the seating surfaces 13 and 14 on one end edge and each of the seating surfaces 15 and 16 on the other end edge, respectively. Is formed. First, the seating surfaces 13 and 14 have two through holes 130 formed in a direction perpendicular to the seating surface 13 and two through holes 140 formed in a direction perpendicular to the seating surface 14. . The through holes 130 and 140 are alternately arranged at equal intervals in the length direction of the seating surfaces 13 and 14 (vertical direction in FIG. 1).

  Further, the seating surfaces 15 and 16 have two through holes 150 formed in a direction perpendicular to the seating surface 15 and two through holes 160 formed in a direction perpendicular to the seating surface 16. . The through holes 150 and 160 are alternately arranged at equal intervals in the arrangement direction (the length direction of the seating surfaces 15 and 16). In each through hole 130, 140, 150, 160, the hole on the seating surface that is perpendicular to them serves as the inlet (reference number omitted) of the lag screw 4, and the seating surface of the lag screw 4 to be inserted It becomes a seat part of the head 40.

  Further, the outlets (reference numerals omitted) on the opposite side of the through holes 130, 140, 150, 160 provided in the direction perpendicular to the seat surfaces 13, 14, 15, 16 are not only the seat surfaces, It also hangs on the joint surfaces 11 and 12.

Please refer to FIG. 2 and FIG.
The wood member joining structure C1 shown in FIGS. 2 and 3 is a structure in which the wood members 2 and 3 are joined using the sitting tool 1 and the lag screw 4. The lag screw 4 is a large wood screw-like one having a hexagonal bolt head-like head, but is not particularly limited. Can be substituted.

  In the wood member joining structure C1, the wood members 2 and 3 which are square members are arranged with their central axes aligned with the same straight line. In the wooden members 2 and 3, one square end is the joint surfaces 200 and 300. The wood members 2 and 3 have pilot holes 24 and 24a and pilot holes 34 and 34a formed from the joint surfaces 200 and 300 to the inside of the timber at a required depth with a required angle.

  The lower holes 24, 24a of the wood member 2 are formed in parallel to each other at an angle of 68 ° with respect to the joint surface 200 and in a direction intersecting in a projected state, that is, in a reverse inclination. Have the same length. Similarly, the pilot holes 34 and 34a of the wooden member 3 are formed in parallel to each other at an angle of 68 ° with respect to the joint surface 300 and in a direction intersecting in a projected state, that is, in a reverse inclination. It has substantially the same length as the lag screw 4.

  The angle of each pilot hole is not limited to the above, and can be set as appropriate within a range that can be accommodated in the wooden members 2 and 3. Further, the number of pilot holes is not particularly limited, and can be appropriately set within a range in which the strength of the wood portion between the pilot holes can be sufficiently secured. The same applies to the case of the wood member joining structures C2 and C3 described later.

  Further, when the seating tool 1 is sandwiched between the joint surfaces 200 and 300 on the side of the joint surfaces 200 and 300 of the wooden members 2 and 3, the same as the pilot holes 24 and 24a and the pilot holes 34 and 34a, respectively. The structure has a structure that is cut out on a straight line, and is formed with insertion holes 22 and 32 that are provided in the same direction corresponding to the prepared holes of the other wooden member.

  The inlets 22 are provided at two locations from the joint surface 200 of the wood member 2 to the one side surface 201, and are provided at two locations from the joint surface 200 to the other side surface 202. The inlets 32 are provided at two locations from the joint surface 300 of the wood member 3 to the one side surface 301 and are provided at two locations from the joint surface 300 to the other side surface 302.

  Then, the lag screw 4 is inserted from each of the insertion holes 22 and 32, passes through the through holes 130, 140, 150 and 160 of the sitting tool 1, and is screwed into the corresponding prepared holes 24, 24 a, 34 and 34 a. Each lag screw 4 is screwed so that the head 40 is pressed against each seating surface 13, 14, 15, 16, and the wooden members 2, 3 are joined to the sitting tool 1 by each lag screw 4.

(Function)
First, the sitting tool 1 is inclined so that the plate thickness decreases toward the tip edge on the joint surfaces 11 and 12 on both sides of the pair of end edges at the opposing positions of the rectangular and flat sitting body 10. Flat seating surfaces 13 and 14 and seating surfaces 15 and 16, the arrangement direction of the through holes 130, 140, 150 and 160 provided in the respective seating surfaces 13, 14, 15 and 16 is determined according to the seating direction. It can be made parallel in the edge part of the both sides of the tool 1. FIG. According to this, since the position of the lag screw 4 is aligned, it becomes easy to perform the construction and can contribute to the improvement of the bonding strength.

  The seat surfaces 13 and 14 and the seat surfaces 15 and 16 are portions to which the head 40 of the lag screw 4 is pressure-bonded when the lag screw 4 is obliquely screwed into the joining surfaces 200 and 300 of the wooden members 2 and 3. It becomes. Furthermore, the seating surfaces 13 and 14 and the seating surfaces 15 and 16 are inclined with respect to the joining surfaces 200 and 300, and therefore, with respect to the joining surfaces of the wooden members 2 and 3 that are in close contact with the joining surfaces 200 and 300. However, when the lag screw 4 is passed through the through-holes 130, 140, 150, 160 and is screwed into the wooden members 2, 3, the pressure bonding surface of the head 40 and the seat surfaces 13, 14, and the seat surface 15 and 16 are closely contacted in parallel without a gap, thereby being closely contacted with a uniform pressure in the maximum area.

  Further, when the sitting tool 1 is used for the wood member joining structure C1, the surface opposite to the one of the seating surfaces 13, 15 on the front and back sides and the seating surfaces 15, 16 in the direction perpendicular to the one. The lug screw 4 is passed through the through-holes 130 and 150 penetrating through the lug, and the lug screw 4 is passed through the through-holes 140 and 160 penetrating through the opposite face of the other seating surface 14 and 16 into the wood members 2 and 3. It is.

  That is, according to this sitting tool 1, since the lag screw 4 can be screwed in both the front and back sides of the sitting tool 1, the bonding surfaces 200 and 300 are brought into close contact with the bonding surfaces 11 and 12 on both sides of the sitting tool 1. The wood members 2 and 3 can be joined together. In addition, compared to the conventional structure that uses two seating fixtures and nuts to fix each connection bolt, the construction effort is reduced, and the construction of the wooden shaft structure is quicker. Is possible.

  Furthermore, since the sitting tool 1 is arranged so that the through holes 130, 140, 150, 160 are provided on the seating surfaces on both the front and back sides that are alternately different in the arrangement direction of the through holes, the wooden member 2 is passed through the through holes. When the lag screw 4 is screwed into the three joint surfaces 200 and 300 obliquely, it can be screwed so as to be alternately inclined in the arrangement direction.

  According to this, the space | interval of the lag screw 4 screwed in parallel in a horizontal direction can be extended only by one, and the intensity | strength of the wood part between the lag screws 4 can fully be ensured. Therefore, it is possible to suppress the occurrence of cracks and cracks in the wooden members 2 and 3 after construction, and the safety as a structure can be further enhanced.

  Further, in the wood member joining structure C1, the wood members 2 and 3 to be joined can be placed in a state in which the wood members 2 and 3 are not displaced by arranging the wood members 2 and 3 to be joined with their central axes aligned with the same straight line. And when constructing the joining structure C1 of the wooden member, the sitting tool 1 penetrated through the opposite surface in the direction perpendicular to one of the seating surfaces 13, 14, 15 and 16 on both sides of the front and back. The lag screw 4 is passed through the through holes 130, 150, and the lag screw 4 is passed through the through holes 140, 160 penetrating the surface opposite to the other seating surfaces 14, 16 and screwed into the wood members 2, 3. It is. Thereby, since the lag screw 4 can be screwed in both the front and back directions of the sitting tool 1, the wooden members 2, 3 in which the joining surfaces 200, 300 are brought into close contact with the joining surfaces 11, 12 on both sides of the sitting tool 1 are sandwiched. It becomes possible to join.

  Moreover, since the joining structure which uses the lag screw 4 of this Embodiment makes the wooden members 2 and 3 contact the surface via the sitting tool 1, it fixes with the lag screw 4, so it joins. It can be joined regardless of the order of the wooden members, and construction is easy.

  In the construction state, since the lag screw bolt 4 intersects the wood fiber direction, the restraining force is good with respect to the cracking of the wooden member, the strength is excellent, and the safety is high. In addition to resisting the vertical shearing force of the wooden member, the pulling strength is increased by crossing the wood fiber direction and the lag screw 4.

  By opening the lag screw 4 at a fixed interval in one direction at the mouth of the joint portion of the wooden member, the stress acting point of the lag screw 4 can be dispersed to increase the bonding strength. Furthermore, since the head 40 of the sitting tool 1 or the lag screw 4 is hidden behind the wooden member and does not protrude so much from the side surface, the metal parts are hardly exposed and the design is excellent.

Please refer to FIG.
The sitting tool 5 shown in FIG. 4 is made of metal (for example, steel) and has a rectangular and flat sitting tool body 50. The sitting tool body 50 has a processed portion described below.

  One surface of the sitting tool body 50 is a joint surface 53 that abuts the joint surface 800 of the wood member 8 to be joined. Flat seat surfaces 51 and 52 that are inclined at the same required angle are formed at a pair of end edges at opposite positions of the seat body 50 so that the plate thickness decreases toward the tip edge of the joint surface 53. Has been.

  Each of the seating surfaces 51 and 52 is formed in an elongated rectangular shape, and through holes 510 and 520 for allowing the lag screw 4 to pass therethrough are provided in each seating surface 51 and 52 (not shown). It is formed through. In the seat surfaces 51 and 52, the through holes 510 are formed in a direction perpendicular to the seat surface 51, and the through holes 520 are formed in a direction perpendicular to the seat surface 52. The through holes 510 and 520 are alternately arranged in the arrangement direction. It arrange | positions so that it may be provided in the different seat surfaces 51 and 52. FIG.

  In each of the through holes 510 and 520, the hole of the seating surface that is perpendicular to them serves as a slot for the lag screw 4, and the seating surface serves as a seat for the head 40 of the lag screw 4 to be inserted.

Please refer to FIG.
The wood member joining structure C <b> 2 shown in FIG. 4 is a structure in which two wood members 8 are joined via a joint tool 6 using a sitting tool 5 and a lag screw 4.

  The wood member joining structure C <b> 2 includes a joint 6 having two movable arm portions 60. Each movable arm portion 60 can be pivotally adjusted around a set bolt 61, and the sitting tool 5 is fixed to the tip thereof. The surface of the sitting tool 5 opposite to the joint surface 53 is fixed.

  Each wooden member 8 has a pilot hole 80 formed at a required depth with a required angle from the joint surface 800 to the inside of the timber. The pilot holes 80 are formed in parallel to each other at an angle of 68 ° with respect to the joint surface 800 and in a direction intersecting in a projected state, that is, with a reverse inclination, and each has substantially the same length as the lag screw 4. ing.

  Then, a square joint surface 800 which is a lip of the wooden member 8 is brought into contact with the joint surface 53 of the sitting tool 5, passes through the through holes 510 and 520 of the sitting tool 5, and is screwed into the corresponding prepared hole 80. Each lag screw 4 is screwed so that the head 40 is pressed against each seating surface 51, 52, and the wooden member 8 is connected by the sitting tool 5 and each lag screw 4, and each wooden member 8 connects the connector 6. Are joined together.

(Function)
The sitting tool 5 used in the wood member joining structure C2 is directed toward the tip edge on a surface opposite to the joining surface 53 of the pair of end edges at the opposing positions of the rectangular flat plate seat body 50. Since the flat seating surfaces 51 and 52 are inclined at a required angle so that the plate thickness is reduced, the arrangement direction of the through holes 510 and 520 provided in the seating surfaces 51 and 52 is set to the ends on both sides of the seating fixture 5. It can be parallel at the edges. According to this, since the position of the lag screw 4 is aligned, it becomes easy to perform the construction and can contribute to the improvement of the bonding strength.

  Further, the seat surfaces 51 and 52 are portions to which the head 40 of the lag screw 4 is pressure-bonded when the lag screw 4 is obliquely screwed into the wooden member 8. Furthermore, the seating surfaces 51 and 52 are inclined with respect to the opposite joining surface 53, and thus are also inclined with respect to the joining surface 800 of the wood member 8 that is in close contact with the joining surface 53. When screwed into the wooden member 8 at an angle, the pressure-bonding surface of the head 40 and the seating surfaces 51 and 52 are in close contact with each other without any gap, and thereby are in close contact with the maximum area with uniform pressure.

  Furthermore, when the sitting tool 5 is used for the wood member joining structure C2, the lug screw 4 is passed through the through holes 510 and 520 of the seating tool 5 and obliquely screwed into the joining surface 800 of the wood member 8, thereby Since joining with the member 8 is possible, compared to the conventional structure in which two seating fixtures and nuts are used for fixing each connecting bolt, the construction work is reduced, and the wooden shaft structure is reduced. When constructing the body, rapid construction becomes possible.

  And the joining structure C2 of a wooden member equips the joining tool 6 with the two movable arm parts 60, and attaches the lag screw 4 to the pilot hole 80 provided beforehand in the sitting tool 5 attached to the front-end | tip. The wood member 8 can be joined by screwing. Thereby, the construction which distributes the two wooden members 8 in different directions with the joint 6 as a center can be performed, and the variation of the conventional construction form which mainly joins the wooden members is further expanded. It becomes possible.

Please refer to FIG.
The wood member joining structure C <b> 3 shown in FIG. 5 is a structure in which four wood members 8 are joined via the joint 7 using the sitting tool 5 and the lag screw 4.

  The wood member joining structure C <b> 3 includes a joint 7 having four arm portions 70. The arm portion 70 is fixed radially (in a cross shape) on the same plane around the ball 71. The sitting tool 5 is fixed to the tip of each arm part 70. The surface of the sitting tool 5 opposite to the joint surface 53 is fixed.

  Each wooden member 8 has a pilot hole 80 formed at a required depth with a required angle from the joint surface 800 to the inside of the timber. The pilot holes 80 are formed in parallel to each other at an angle of 68 ° with respect to the joint surface 800 and in a direction intersecting in a projected state, that is, with a reverse inclination, and each has substantially the same length as the lag screw 4. ing.

  Then, a square joint surface 800 which is a lip of the wooden member 8 is brought into contact with the joint surface 53 of the sitting tool 5, passes through the through holes 510 and 520 of the sitting tool 5, and is screwed into the corresponding prepared hole 80. Each lag screw 4 is screwed so that the head 40 is pressed against each seating surface 51, 52, and the wooden member 8 is connected by the sitting tool 5 and each lag screw 4, and each wooden member 8 connects the joint 7. Are joined together.

(Function)
In the wood member joining structure C3, the joint 7 is provided with four arms 70, and the lag screw 4 is screwed into the prepared holes 510 and 520 provided in advance in the seat 5 attached to the tip of the joint. Thus, the wooden member 8 can be joined. Thereby, the construction which distributes the four wooden members 8 in a different direction centering on the connector 7 can be performed, and the variation of the conventional construction form which mainly joins the wooden members is further expanded. It becomes possible.

DESCRIPTION OF SYMBOLS 1 Seating tool 10 Seating tool main body 11,12 Joint surface 13,14 Seat surface 130,140 Through hole 15,16 Seat surface 150,160 Through hole 100 Chamfering part C1 Wood member joining structure 2,3 Wood member 200,300 Joining Surface 24, 24a, 34, 34a Pilot hole 22, 32 Insertion hole 201, 202 Side surface 301, 302 Side surface 4 Lag screw 40 Head 5 Seating tool 50 Seating tool body 51, 52 Seating surface 510, 520 Through hole 53 Joint surface 8 Wood Member 800 Joint surface 80 Pilot hole C2 Joining structure of wood member 6 Joiner 60 Movable arm part 61 Stop bolt C3 Joining structure of wood member 7 Joiner 70 Arm part 71 Ball

Claims (3)

A rectangular and flat seat body,
A flat seat surface that is formed on a joint surface on both the front and back sides of a pair of end edges at opposite positions of the sitting tool body, and is inclined at a required angle so that the plate thickness decreases toward the tip edge;
The required number of through-holes for passing the lag screw, which are provided at the end edge portion of the sitting tool body, penetrate the surface opposite to the one of the seat surfaces on the front and back sides , and the other. A seating tool comprising a required number of through-holes for passing a lag screw, which penetrates a surface perpendicular to the seat surface of the lag screw . A set of wood members having a center hole aligned with the same straight line and having a pilot hole formed at a required depth with a joint surface and a required angle;
It is sandwiched between the joint surfaces of each wooden member, and is formed on the joint surface on both the front and back sides of a rectangular flat plate-shaped seat body and a pair of edge portions at opposite positions of the seat body. A flat seat surface inclined at a required angle so that the plate thickness is reduced toward the surface, and provided at the end edge of the seat body, opposite to one of the seat surfaces on both sides A seating tool comprising a required number of through-holes for passing the lag screw, and a required number of through-holes for passing the lag screw penetrating the opposite surface perpendicular to the other seating surface. ,
A lag screw screwed so as to pass through the through hole of each wooden member from the through hole of the sitting tool and joining the wooden members to each other
Joint structure of wood members. A step of arranging a set of wood members having pilot holes formed at a required depth with a joint surface and a required angle at a joint portion, with the central axis aligned with the same straight line;
Between the joint surfaces of each wooden member, it is formed on the joint surface on both the front and back sides of a rectangular flat plate seat body and a pair of end edges located at opposite positions of the seat body, toward the tip edge A flat seat surface inclined at a required angle so as to reduce the plate thickness, and provided on the edge portion of the seat body, on a surface opposite to one of the seat surfaces on both the front and back sides in a direction perpendicular to the seat surface. A step of sandwiching a seating tool having a required number of through holes for passing the lag screw and a required number of through holes for passing the lag screw, which penetrates the opposite surface perpendicular to the other seating surface. When,
A step of screwing and fixing a lag screw so as to pass from each through hole to each pilot hole at a position corresponding to each through hole, and connecting each wooden member
A method for joining wooden members.

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