JP3050791U - Connection structure of building members and T-shaped tool for woodworking - Google Patents

Abstract

(57) [Summary] [Problem] To secure a bonding force between building members. SOLUTION: In joining two pillars 200 and 300, grooves 202 and 30 are formed so that the joining portions of the two pillars each have a T-shaped cross section and the head-shaped portion is inside the pillars.
2 is provided. When joining the columns, first, the columns 200 and 300 are brought into contact with each other so that the legs 202a and 302a of the T-shaped groove are opposed to each other, and the groove 4 having a D-shaped cross section is formed.
02. Subsequently, the bolt 5 is inserted into the groove 402.
Insert 00. Finally, nuts 502 are tightened to join columns 200 and 300 together.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a connection structure of building members and a T-shaped tool for woodwork, and more particularly, to a structure in which building members can be easily connected to each other when building a wooden building, and can be easily tightened even after connection. The present invention relates to a joining structure of building members and a T-shaped tool for woodwork.

[0002]

[Prior art]

 FIG. 4 is an explanatory view showing a connection state between building members in a conventional wooden building. As shown in the figure, for example, when connecting the through post 810 and the girth 820, first, the girth 820 with the end 821 cut off at an angle is engaged with the notch 811 of the through post 810. After being locked, the nail 830 is driven obliquely from above, as shown in the figure, or fixed with screws (not shown) with strip hardware (not shown).

[0003] In addition to the above-mentioned inclined inserts, there are other joining methods such as inserts and inserts. Large insertion is also called rushing, and refers to a connection where the entire cross-section is inserted into a large piece of wood when small pieces are attached to it. A large ant hook is a connection where a large notch and an ant hole are provided on the side of the crosspiece, and an ant tenon is attached to the tip of the material that is to be fitted at a right angle. It is usually used as a base connection, but it is also used when attaching small members to large members such as girders and beams, and also as a connection on columns.

[0004]

[Problems to be solved by the invention]

 However, the above-mentioned conventional joint structure using nails or the like has a problem that a sufficient joint force cannot be obtained between building members. In addition, there was a problem that it was difficult to increase the bonding strength of the bonding portion again after construction. Especially when the nail was rusted and corroded, it was difficult to replace the nail because it was not possible.

[0005] In addition, in the case of using a sloping insert or a dovetail mount, it is necessary to perform a specific process on a through pillar or the like. In particular, when using a dovetail groove, high working accuracy is required for both connecting members, so that workability is poor, and there has been a problem that skill is required to perform a preferable connecting. In addition, there is a problem that a long processing time is required because the processing is performed using a generally used chisel or plane.

In view of the above, the present invention has been made in view of the above, and has a high joining force between building members, and is capable of connecting easily and easily in a short time. An object of the present invention is to provide a T-shaped tool suitable for realizing a connection structure of building members.

[0007]

[Means for Solving the Problems]

 In order to achieve the above object, a connecting structure for building members according to claim 1 has a T-shaped cross section at a connecting portion of both building members when connecting two building members, and a head-shaped portion thereof is formed. A groove is provided so as to be inside the cross section of the building member, and the two building members are brought into contact with each other so that the foot-shaped portions of the T-shaped groove face each other to form a groove having a cross section. (D) Insert a fastener that can be tightened with locking parts on both sides into the groove, and tighten the fastener to connect the two building members.

[0010] The T-shaped tool for woodworking according to claim 2 has a T-shaped cross section in the rotation axis direction, and has a plurality of blades on the upper and lower surfaces and side surfaces of a thick disk-shaped head portion. A blade is provided on a part of the shaft portion, and hair is provided between the blades.

[0009]

[Embodiment of the invention]

 Hereinafter, the present invention will be described in detail with reference to the drawings. The present invention is not limited by the embodiment. FIG. 1 is a perspective view showing a woodworking T-shaped tool 100 according to the present invention. FIG. 2A is a top view of the T-shaped tool 100 for woodworking shown in FIG. 1, and FIG. 2B is a bottom view. The T-shaped tool 100 for woodwork has a T-shaped cross section in the direction of the rotation axis. The shaft portion 110 of the woodworking T-shaped tool 100 has a reamer shape and a diameter of about 6 mm. Reference numeral 111 denotes a shank portion held by a chuck (not shown) of the router. The diameter of the shank portion 111 is about 9 mm. The portion from the shank portion 111 to the reamed shaft portion 112 is tapered. The axial length including the shank portion 111 is about 80 mm.

The head 120 of the woodworking T-shaped tool 100 has a shape of a thick disk having a diameter of 30 mm and a thickness of 6 mm, and has three blades 121 on the upper, lower, and side surfaces thereof. The upper and lower blades are about 3 mm, and the side blades are about 4 mm. Reference numeral 122 is a chip breaker for rolling and cutting the cut wood. Further, a total of three hair pulls 123 are provided between the blade 121 and the blade 121.

FIG. 3 is an explanatory diagram showing a connection structure of building members. First, a woodworking T-shaped tool 100 is attached to a router (not shown). Next, as shown in FIG. 3A, the woodworking T-shaped tool 100 is rotated to make a hole 201 in the column 200. After drilling to a predetermined depth, as shown in FIG. 3B, the column 200 is moved in parallel with the axial direction of the column 200 as it is. As a result, as shown in FIG. 3C, a groove 202 having a T-shaped cross section is formed in the pillar 200. In the figure, a section 200a of the pillar 200 is shown for convenience of explanation. After the formation of the groove 202, the T-shaped tool 100 for woodwork is extracted from the hole 201 provided earlier.

Next, a T-shaped groove 302 is formed in the pillar 300 to be joined. As shown in FIG. 3D, the woodworking T-shaped tool 100 is moved in a direction perpendicular to the axis of the column 300 to cut the column 300. When the predetermined depth is reached, cutting is stopped and the T-shaped tool 100 for woodwork is extracted. Thus, a T-shaped groove 302 as shown in FIG. 3E is formed. Next, the pillars 200 and 300 having the grooves are joined together. First, as shown in FIG. 3 (f), the feet 202a, 302a of the T-shaped grooves 202, 302 of both pillars 200, 300 are brought into contact with each other so as to coincide with each other. Then, an E-shaped groove 402 is formed by both of the T-shaped grooves.

Next, the bolt 500 is inserted into the E-shaped groove 402. In practice, first, the head 501 of the bolt 500 is inserted through the hole 201, and is moved along the grooves 202 and 302 to insert the bolt 500 into the groove. The nut 502 of the bolt 500 is screwed to a position where it just fits into the head portion 302b of one T-shaped groove 302. The bolt 500 used has a nominal width of M5 because the groove width is 6 mm. Also, a predetermined washer is used if necessary. After the bolt 500 is inserted, turn the nut 502 with a spanner to tighten it. Thereby, the columns 200 and 300 are firmly connected to each other.

As described above, according to the connection structure of building members of the present invention, since the fastening is performed by the bolt 500, a high connection force can be obtained between the columns. Moreover, even if the dimensions of the pillars 200 and 300 are changed due to aging, and the bonding strength is reduced, the pillars 200 and 300 can be retightened again. Therefore, maintenance of the building is easy. Further, since machining is performed using a dedicated tool (T-shaped tool 100 for woodworking), machining of columns is easy, and no special skill is required for assembly. For this reason, the efficiency of construction work increases.

[0015]

[Effect of the invention]

 As described above, in the structure for connecting building members of the present invention (Claim 1), when connecting two building members, the connecting portion of both building members has a T-shaped cross section and a head-shaped portion thereof. A groove is provided so that is inside the cross section of the building member. Then, when connecting the building members, first, the two building members are brought into contact with each other such that the foot-shaped portions of the T-shaped grooves face each other to form a groove having a D-shaped cross section. Subsequently, a tightenable stopper having locking portions on both sides is inserted into the groove having the D-shaped cross section. Finally, the building members are joined by tightening the stop. In this case, a high bonding force can be obtained between the building members. In addition, machining and work are simple and easy, so that work time is shortened and efficiency is improved. Furthermore, the building can be easily maintained because it can be tightened again later.

Next, in the T-shaped tool for woodworking of the present invention (Claim 2), the cross section in the rotation axis direction is T-shaped, and a plurality of blades are provided on the upper and lower surfaces and side surfaces of the thick disk-shaped head portion. Since the blade is provided on a part of the shaft portion and the hair is provided between the blades, the T-shaped groove processing required for the method of connecting the building members can be easily performed. Can be done.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a T-shaped tool for woodworking according to the present invention.

FIG. 2 is a top view and a bottom view of the woodworking T-shaped tool shown in FIG.

FIG. 3 is an explanatory view showing a connection structure of building members.

FIG. 4 is an explanatory view showing a connected state of building members in a conventional wooden building.

[Explanation of symbols]

 REFERENCE SIGNS LIST 100 T-shaped tool for woodworking 110 Shaft part 111 Shank part 112 Shaft part 120 Head 121 Blade 122 Chip breaker 123 Hair pull 200, 300 Column 201 Hole 202, 301, 402 Groove 500 Bolt 501 Head 502 Nut

Claims (2)

[Utility model registration claims] When connecting two building members, a groove having a T-shaped cross-section and a head-shaped portion inside the cross-section of the building member is provided in a connecting portion of the two building members. The two architectural members are brought into contact with each other so that the foot-shaped portions of the groove are opposed to each other to form a groove having a sectional shape. In this state, the groove having the sectional shape has locking portions on both sides. A connecting structure for building members, wherein a fastening member that can be tightened is inserted, and the building members are connected by tightening the stopping member. 2. A cross section in the direction of the rotation axis has a T-shape, a plurality of blades are provided on upper and lower surfaces and side surfaces of a thick disk-shaped head part, and blades are provided on a part of the shaft part. A T-shaped tool for woodworking, wherein a hair is provided between the blades.