JPH0635111Y2 - Joining structure of members - Google Patents

Description

[Detailed description of the device] [The purpose of the device]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joining structure of members used for abutting and joining end faces of members such as a shape member. (Prior Art) Conventionally, an I-shaped or L-shaped metal fitting as shown in FIG. 9 has been used for the above-described joining. That is, for example, in order to butt and join a shape member at 90 ° or another angle, the shape member 100 is cut into a V shape while leaving only the wall thickness as shown in FIG. Bend at an arbitrary angle, and as shown in Fig. 9 (b), L
The metal fitting 101 of the mold was interposed, and several screws 102 were screwed into the shape member 100 to join them. (Problems to be solved by the invention) However, in the above-described joining structure, it is difficult to bring the joining ends into close contact due to problems such as the accuracy of bending of the shape member 100 and spring back, and it is difficult to make the joint end Differences and gaps may occur, which has been a problem in manufacturing. (Object of the Invention) The present invention has been made to solve the above problems of the conventional joining structure of members, and the purpose thereof is to:
It is an object of the present invention to provide a joining structure for members that has a simple structure, is easy to join, and does not cause a gap in the joint.

[Constitution of device]

(Means for Solving the Problems) The joining structure of members according to the present invention is a joining structure of members for joining end faces to each other by screwing a butted member with a metal fitting attached across both members, The metal fitting includes a screw mounting portion for mounting a screw orthogonal to the longitudinal direction of each member, and a member contact portion that faces each other across the joint portion of each member, and a relative position of the member contact portion. The facing surfaces are inclined so as to separate from each other with respect to the traveling direction of the screw toward the end edge of the metal fitting, and each member has a receiving portion facing the screw mounting portion, and the inclined member contact portions. An engaging portion that engages with each inclined member abutting portion is provided at a position interposed between the inclined member abutting portion and the screw attaching portion and the receiving portion are brought closer to each other by a screw operation, and thus the inclined member abutting portion. Slidably contact the engaging part with the end face It is characterized in that the members are closely contacted with each other, and the joining structure of such members is used as a means for solving the above problems. (Operation) The metal fitting used for the joining structure of the members according to the present invention has the screw mounting portion and the inclined member abutting portion sandwiching the joining portions of the facing members. On the other hand, both members to be joined are provided with a receiving portion facing the screw mounting portion of the metal fitting and an engaging portion engaging with the inclined member abutting portion, respectively. The metal fitting is set over both members, and is attached so that the inclined member abutting portion of the metal fitting abuts the engaging portion of each member. Then, when a screw is inserted into the screw mounting portion of the metal fitting and the receiving portion of the member to perform a tightening operation, the inclined member abutting portion is inclined so as to separate from each other as it goes toward the edge of the metal fitting with respect to the traveling direction of the screw. Since the screw mounting portion and the receiving portion are provided closer to each other by the operation of the screw, the inclined member abutting portion slidingly contacting the engaging portion of the member draws both members, The end faces of are closely contacted. (Embodiment) An embodiment of the present invention will be specifically described below with reference to the drawings. 1 and 2 are views for explaining the first embodiment of the member joining structure according to the present invention. As shown in the figure, the metal fitting 1 includes four projecting pieces extending in a direction perpendicular to the base 2 at four corners of the base 2 which are provided with female screws 2a, 2a at two places and serve as screw mounting portions. Each of the member abutting portions 3 has an inner side, that is, a slanting member that separates from each other inside, that is, the joint side of the members 4 and 4 moves toward the edge side of the metal fitting 1. Abutment 3a
There is. On the other hand, on the members 4, 4 side, screw holes (receiving portions) 4a, 4a at positions facing the female screws 2a, 2a, and the four member contact portions 3 are provided.
Slits 4b for receiving the member abutting portion 3 are provided at positions facing each other, and the end portion of the slit 4b on the joint portion side engages with the inclined member abutting portion 3a to form an engaging portion 4c. ing. To join the members 4 and 4, the metal fitting 1 that straddles the joint.
The respective member contact portions 3 of the above are inserted into the slits 4b provided in the members 4 and 4, respectively, and the inclined member contact portion 3a of the member contact portion 3 is inserted.
With the engaging portion 4c, and the screw holes 4a, 4a of the members 4, 4
The screws 5 and 5 that have been inserted are screwed into the female screw 2a of the metal fitting 1. Then, by tightening the screws 5, 5, the metal fitting 1 is pulled in the direction of the arrow A shown in FIG. 2 and slanted member abutting portions 3a, which slidably contact the engaging portions 4c, 4c.
Since 3a pushes each member 4, 4 in the direction of arrow B, the end faces of the joint are brought into close contact with each other, and there is no gap between the members 4, 4
Can be joined. In this embodiment, the screw holes 4a, 4a provided in the members 4, 4 are oblong holes in the member longitudinal direction, and the members 4, 4 accompanying the tightening operation of the screws 5, 5 are
It is possible to move. 3 to 5 are views for explaining the second embodiment of the joining structure of members according to the present invention. FIG. 3 shows the shape of the metal fitting used in this embodiment. As shown in the drawing, the metal fitting 10 has an angle of 120 ° according to the butt angle of the shape members which are members to be joined. ”Shaped base 11,
It is provided with female screws 12a, 12a, and is composed of screw mounting portions 12, 12 that are continuously provided in a direction perpendicular to the base 11, and the base 1
1 is provided with projecting member-like contact portions 13, 13 at both ends thereof, which have inclined member contact portions 13a, 13a facing each other and moving away from each other toward the edge side. FIG. 4 shows a state in which the metal fitting 10 is attached to a V-cut shape member (member) 14 and the shape members are joined together. In particular, the blind spot is shown so that the engagement state between the metal fitting 10 and the shape material 14 can be understood. It is shown by breaking the section of the profile. In the figure, the profile 14 is V-cut leaving only the wall thickness of its side wall 14a, bent at 120 °, and the end faces of the cut profile 14 are butted against each other. The metal fitting 10 is attached so as to straddle the joint portion 14b where the shape members 14 intersect at 120 °, and in the vicinity of the joint portion 14b of the shape member wall surfaces 14c, 14c facing the screw mounting portions 12, 12 of the metal fitting 10. With the rounded screw holes 14d, 14d as receiving portions, slits 14e, 14e are provided to receive the member contact portions 13, 13 of the metal fitting 10,
The inclined member contact portions 13a, 13a are engaged with the joint portions 14f, 14f, which are the joint-side end portions of the slits 14e, 14e. Then, the screws 15 and 15 in which the screw holes 14d and 14d are inserted are used as metal fittings.
By being screwed into the screws 12a, 12a to be provided in the screw mounting portion of 10, the end surfaces of the shape members 14 are joined together without causing a gap or a gap in the joining portion 14b. That is, as shown in FIG. 5, when the screws 15 and 15 are tightened, the metal fitting 10 slides in the direction of arrow A and comes into sliding contact with the inclined member contact portions 13a and 13a of the metal fitting 10. As the engaging portions 14f, 14f of the shape member 14 are pushed, each end of the shape member 14 is attracted in the direction of the arrow B as in the case of the first embodiment, and as a result, the gap 16 disappears. The joint portion 14b can be closely attached. 6 to 8 are for explaining a third embodiment of the joining structure of members according to the present invention. That is, FIG. 6 shows the shape of the metal fitting used in the third embodiment, and the metal fitting 20 shown in the drawing has an angle of 120 ° which matches the butt angle of the shape members which are members to be joined. It is composed of a V-shaped base 21 and two screw holes 22a and 22a, and screw mounting portions 22 and 22 that are connected to the base 21 at an angle of 135 °. The base 21 is provided with four screw holes 21a together with the member abutting portions 23, 23 having the inclined member abutting portions 23a, 23a facing each other toward the edge side of the metal fitting. ing. In this embodiment, the screw holes 22a, 22a of the screw mounting portion 22 are oval holes in the longitudinal direction of the profile, which enables the profile to move as the screws are tightened. FIG. 7 shows a state in which the metal fittings 20 are joined to each other by attaching the metal fittings 20 to the shape members (members). The end surfaces of the profile 24 that has been cut, bent to 120 °, and cut are butted against each other. The metal fitting 20 is attached across the joint portion 24b of the shape member 24, and the shape member 24 facing the screw attachment portions 22, 22 of the metal fitting 20 is provided with a screw hole 24c as a receiving portion, respectively. is there. Further, rising fins 24e, 24e are provided on the profile surface 24d on which the base 21 of the metal fitting 20 is located. In this embodiment, the engaging portions 24f, 24f are formed by cutting out a part of the rising fins 24e, 24e over the length for accommodating the member contacting portions 23, 23 of the metal fitting 20. Joint section 24f, 24f
Engages with the inclined member contact portions 23a, 23a of the metal fitting 20. Then, the four screws 25 inserted into the screw holes 22a, 22a of the screw mounting portions 22, 22 are respectively screwed into the screw holes 24c provided in the shape member 24, so that there is no gap or misalignment in the joint portion 24b. The end faces of the profile 24 are joined together without causing them. That is, in this embodiment, the metal fitting 20 is located at a position separated from the shape member 24 before the screw 25 is tightened, as shown in FIG. Then, when the screw 25 is tightened on the surface of the profile forming an angle of 45 ° with the horizontal plane, the metal fitting 20 moves to the position shown by the phantom line in the drawing, and the inclined member contact portion of the metal fitting 20.
As a result of pushing the engaging portions 14f, 14f in sliding contact with 23a, 23a, the end faces of the shape member 24 are pulled toward each other as in the first and second embodiments, the joint portion 24b can be brought into close contact with each other. it can. In this embodiment, after the screw 25 is tightened to bring the joint portion 24c into close contact, as shown in FIG. 7, four screws are inserted into the four screw holes 21a provided in the base 21 of the metal fitting 20. This joint is made stronger by screwing the screw 26 of the above to the profile surface 24d.

[Effect of device]

As described above, the joining structure of members according to the present invention is
A joining structure of members for joining end faces to each other by screwing a butted member with a metal fitting attached across both members, wherein the metal fitting is a screw mounting portion for mounting a screw orthogonal to a longitudinal direction of each member. And a member abutting portion that faces each other across the joint portion of each member, and the facing surfaces of the member abutting portion are separated from each other as they go toward the edge of the metal fitting in the traveling direction of the screw. Each member has a receiving portion that faces the screw mounting portion, and a member that engages with each of the inclined member contact portions at a position interposed between the inclined member contact portions. A joint portion is provided, and the screw mounting portion and the receiving portion are brought closer to each other by a screw operation, whereby the inclined member contact portion and the engaging portion are slidably contacted with each other, and the end faces are brought into close contact with each other. By doing so, you can connect with simple operation. The gaps and eyes makes a difference to the part in which exhibits an excellent effect that it is joining without members.

[Brief description of drawings]

FIG. 1 is a perspective view for explaining a first embodiment of the joining structure of members according to the present invention, FIG. 2 is a sectional view for explaining the joining principle of the first embodiment, and FIG. 3 is for the present invention. FIG. 4 is a perspective view showing a shape of a metal fitting used in the second embodiment, FIG. 4 is a perspective view similarly illustrating a joining state of members according to the second embodiment, and FIG. 5 is a perspective view showing a joining principle in the second embodiment. 6 is a perspective view showing the shape of a metal fitting used in the third embodiment of the present invention, and FIG. 7 is a perspective view explaining the joining state of members according to the third embodiment. Fig. 8 is the third
9 (a) and 9 (b) are explanatory views showing the bonding principle of the embodiment of FIG.
FIG. 7 is a perspective view showing a conventional joining structure of members. 1,10,20 …… Metal fittings, 2,12,22 …… Screw mounting part, 3,13,23 …… Member, 3a, 13a, 23a …… Inclined member contact part, 4,14,24 …… Member, 4a, 14d, 24c …… Screw hole (receiving part), 4c, 14f, 24f …… Engagement part, 5,15,25 …… Screw.

Claims (1)

[Scope of utility model registration request] 1. A joint structure of members for joining end faces to each other by screwing a butted member with a metal fitting attached to both members, wherein the metal fitting has screws perpendicular to the longitudinal direction of each member. A screw mounting portion to be mounted and a member abutting portion that faces each other across the joint portion of each member are provided, and the facing surfaces of the member abutting portions are on the edge of the metal fitting in the traveling direction of the screw. Each of the members has an inclined shape that separates from each other as they face each other, and each of the members has a receiving portion facing the screw mounting portion and each of the inclined member contact portions is located at a position interposed between the both inclined member contact portions. An engaging portion that engages with each other, and the screw mounting portion and the receiving portion are brought closer to each other by a screw operation, so that the slanted member contact portion and the engaging portion are slidably brought into close contact with each other. Joining structure of members characterized by