TW202031998A - Joining structure and member joining method - Google Patents

Abstract

The joining structure disclosed has great workability and low cost, and includes a storing member and an insertion member inserted into the storing member. The insertion member includes an insertion portion inserted into the containing space, and an insertion engagement portion provided outside the insertion portion. The storing member has: an opening portion, for allowing the insertion member to insert; a containing space linked to the opening portion; an engaging body which is disposed in the containing space and can be inserted into the insertion portion, including an inner engagement portion which can be engaged with the insertion engagement portion on the inner side. In the containing space, an inclined guiding part is formed to guide the engaging body. The insertion engagement portion and the inner engagement portion are set to be approximately perpendicular to the insertion direction of the insertion member, and have a predetermined amount of interference.

Description

Joining structure and joining method of components

The present invention relates to a joining structure for joining a plurality of members, and more particularly to a joining structure suitable for making two joined members approach each other in a direction perpendicular to the joining surface to join each other.

Patent Document 1 describes a joint composed of a female kiln fixed to one of the members and having a push rod, and a male pin fixed to the other member and having a split. In this joint system, the wedge part provided inside the male pin is pushed by a push rod, and the male pin is expanded and pressed against the inner surface of the mother kiln to be fixed (Patent Document 1, paragraphs 0031 to 0033, Figure 2) . In addition, Patent Document 1 also describes that although it has the same configuration as the above, a wedge joint is provided at the tip of the push rod (Patent Document 1 paragraph 0043, FIG. 5).

Patent Document 2 describes a joint composed of a female member fixed to one of the members and having an insertion hole, and a male member fixed to the other member and having a cut line. In this joint, if the cone is placed at the tip of the male member and pushed into the insertion port, the tip of the cone is pressed by the top plate of the female member, whereby the cone expands the male member. The male member is fixed between the cone and the inner surface of the female member by friction (Patent Document 2 paragraphs 0008, 0010, Figure 4).

[Prior technical literature]

[Patent Document 1] Japanese Patent Application Publication No. 2010-236348; [Patent Document 2] Japanese Patent Application Publication No. 2015-172320; [Patent Document 3] Japanese Patent Application Publication No. 2009-114746.

In the joint obtained by inclined bolts described in Patent Document 1, it is necessary to tighten the bolts while maintaining the state in which two members are correctly positioned, which has a problem of complicated construction. In addition, there are problems of complicated shapes and high manufacturing costs.

If the joints described in Patent Documents 2 and 3 are used, the joint surfaces of the two members can be moved perpendicularly to the joint surface to join the two members in a state where the joint surfaces of the two members face each other. Therefore, if an inclined bolt is used In comparison, the construction is better. However, there are problems of complicated shapes and high manufacturing costs. In addition, the joints described in Patent Documents 2 and 3 are formed such that by expanding a part of the male member inside the female member, the male member becomes a structure that cannot be separated from the female member; however, in the structure shown above, if When the axis of the male member and the female member do not match each other in an eccentric state, or the axis of the male member is inclined at an angle with respect to the axis of the female member, when the male member is inserted into the female member, it may become impossible There is a problem that a proper joint state cannot be obtained by inserting or applying an unexpected bending load to the male member to bend or break.

Therefore, in the present invention, the object is to provide a joining structure with a small joining load, good workability, low-cost formation, and excellent manufacturability, and capable of absorbing eccentricity or off-angle insertion position deviation, and obtaining a suitable joining state.

The joining structure of the present invention for solving the above-mentioned problems has a receiving member and an inserting member inserted into the receiving member, and is characterized in that the inserting member has an inserting portion inserted into the receiving space, and an inserting member provided in the inserting member. Insert the engagement part on the outside of the part. The accommodating member has: an opening into which the insertion member can be inserted; an accommodating space communicating with the opening; and an accommodating space arranged in the accommodating space, capable of inserting the insertion portion and having an inner side that can engage with the insertion The engaging body of the inner engaging part that engages with each other. In the accommodation space, a guide portion for guiding the inclination of the engagement body is formed. The insertion engagement portion and the inner engagement portion are set to have a relationship of a predetermined amount of interference in a direction substantially perpendicular to the insertion direction of the insertion member. When the insertion member is inserted into the accommodating member, a part or the whole of the engagement body is displaced and/or deformed, and the insertion portion can be inserted into the interior of the engagement body. In a state until the insertion portion is inserted to a predetermined position, the inner engaging portion is engaged with the insertion engaging portion.

In addition, the joint structure of the present invention is characterized in that the receiving member is provided with the opening portion having a larger diameter than the outer diameter of the insertion member and a smaller diameter than the radius of curvature of the outer circumference of the engaging body Inner flange. The guide portion is composed of: a seat surface that faces the engagement body of the inner flange portion and forms a substantially spherical surface; and that faces the inner flange portion of the engagement body and is formed substantially along the inner flange. A substantially spherical end surface of the seat surface of the flange portion.

In addition, the joint structure of the present invention is characterized in that the receiving member is provided with the opening portion having a larger diameter than the outer diameter of the insertion member and a smaller diameter than the radius of curvature of the outer circumference of the engaging body Inner flange. One or more adjustment members are arranged between the engagement body and the inner flange portion. The guide portion is formed between the adjustment member and the engagement body, or between the adjustment member and the inner flange portion.

In addition, the joint structure of the present invention is characterized in that the guide portion is composed of: a flange-side spherical surface that forms a substantially spherical shape facing the member of the inner flange portion; and the inner flange of the adjustment member The flange portion opposes a member-side spherical surface that forms a substantially spherical shape substantially along the flange-side spherical surface.

In addition, the joint structure of the present invention is characterized in that the guide portion is composed of: a member-side spherical surface that faces the engagement body of the adjustment member and forms a substantially spherical shape; and faces the adjustment member of the engagement body A substantially spherical engagement body-side spherical surface that is substantially along the spherical surface of the member side is formed in the direction.

In addition, the joint structure of the present invention is characterized in that a first adjusting member located on the inner flange portion side and a second adjusting member located on the engaging body side are arranged as the adjusting member; the first adjusting member is combined with The facing surface of the second adjusting member is formed in a substantially spherical shape; one surface of the second adjusting member facing the engaging body is formed in a tapered shape, and the other surface facing the first adjusting member is formed substantially along the first The surface of an adjustment member is roughly spherical.

In addition, the joint structure of the present invention is characterized in that a first adjusting member located on the inner flange portion side and a second adjusting member located on the engaging body side are arranged as the adjusting member; the first adjusting member is combined with The opposing surface of the inner flange portion is formed in a substantially spherical shape; and one of the surfaces of the second adjusting member that opposes the engaging body is formed in a tapered shape.

In addition, the joint structure of the present invention is characterized in that the engagement system has a tapered end surface that can overlap with the tapered surface forming the second adjustment member.

In addition, the joint structure of the present invention is characterized in that the aforementioned engagement system is formed by a plurality of divided bodies divided in an axial direction.

In addition, the joint structure of the present invention is characterized in that it has elastic means for holding the engaging body with an enlarged diameter by elastically pressing the plural divided bodies in the radial direction.

In addition, the feature of the joint structure of the present invention is that the aforementioned elastic pressing means presses a plurality of divided bodies in the radial direction and/or the axial direction, thereby regulating the position of the aforementioned engaging body so that the diameter can be expanded.

In addition, the joint structure of the present invention is characterized in that the elastic pressing means has a regulating portion that regulates the relative position of the split body substantially along the axial direction of the elastic pressing means.

In addition, the joint structure of the present invention is characterized in that the receiving member has the receiving space having a diameter capable of eccentrically receiving the engaging body in a radial direction with a predetermined eccentric gap.

In addition, the feature of the joining method of the members of the present invention is that any of the aforementioned joining structures is used.

According to the present invention, it is possible to provide a joining structure and a joining of members that can be manufactured at very low cost and joined with an extremely low load, while exhibiting high-load extraction strength, and can absorb eccentricity or off-angle insertion position deviation, and has good workability. method.

Next, the joint 1 of the joint structure of this embodiment will be explained. Fig. 1 is a diagram showing the joint 1 of this embodiment, and Fig. 2 is a cross-sectional view of the joint 1 of this embodiment. The joint 1 of the joining structure is provided with: a receiving member 10 buried in the first member; and an insertion member 20 buried in the second member. An accommodating space 13 is provided in the interior of the accommodating member 10, and the joining surface side of the accommodating space 13 is formed as a circular opening 15. The insertion member 20 is inserted into the accommodating member 10 through the opening 15, and the accommodating member 10 is engaged and fixed so that the insertion member 20 is not drawn out.

Among them, the material of the receiving member 10 and the inserting member 20 can be made of various materials according to the desired strength, manufacturing cost, and environmental conditions of the first and second members. For example, metal, synthetic resin, wood can be used. , Paper, glass, ceramics, rubber and other appropriate materials, and formed by appropriate manufacturing methods.

3 is a diagram showing the structure of the housing member 10. The housing member 10 has a surrounding portion 11 and an end member 12, and the whole is buried in the first member so that the end surface on the joint surface side coincides with the joint surface 101a 101. The insertion member 20 has an insertion part 22 inserted into the accommodating space 13 and a connecting part 24 joined to the insertion part 22.

The surrounding portion 11 of the containing member 10 is formed by a cylindrical body having a cylindrical containing space 13. The surrounding portion 11 has an opening 15 on the joining surface 101 a side, and has a female spiral portion 11 a on the inner peripheral surface of the other end on the opposite side to the opening 15 in the axial direction. An inner flange portion 16 protruding radially inward is provided at one end of the surrounding portion 11, and the size of the opening 15 is defined by the inner flange portion 16.

Here, the opening 15 is formed in a size that allows the insertion portion 22 to be inserted. More specifically, the opening 15 is set so that the inner circumference Da is smaller than the inner circumference Db of the accommodating space 13 and larger than the outer diameter Dc of the insertion portion 22. In addition, the inner circumference Da of the opening 15 is set to a smaller diameter than the radius of curvature of the outer circumference of the engagement body 30 described later. Thereby, the insertion part 22 of the insertion member 20 can be inserted into the accommodation space 13 through the opening 15.

The engagement body 30 and the inclined follower plate 40 having a substantially cylindrical shape are embedded in the surrounding portion 11. That is, the engaging body 30 and the inclined following plate (adjustment member) 40 are arranged in the accommodation space 13 of the surrounding portion 11, and at this time, the inclined following plate 40 is arranged between the inner flange portion 16 and the engaging body 30.

The end member 12 is a member such as an anchor or a steel bar that is a different individual from the surrounding portion 11, and the surrounding portion 11 is detachably screwed and fitted. That is, the end member 12 has a male screw portion 12a processed with a male screw portion on one end side, and is screwed and fitted into the female screw portion 11a of the surrounding portion 11. By joining the end member 12 to the surrounding portion 11, the side far away from the joint surface, that is, the inner side of the accommodation space 13, is blocked by the end member 12, and one end surface of the end member 12 forms the end surface of the accommodation space 13.

The insertion portion 22 of the insertion member 20 has a circular cross-sectional shape, and has an insertion engagement portion 26 on the outer peripheral surface (outside). The insertion engagement portion 26 is composed of: an engagement surface perpendicular to the axial direction on the outer peripheral surface thereof; and an engagement surface that repeatedly forms an inclined surface that is inclined to decrease in diameter toward the front end side. That is, the insertion engagement portion 26 has a triangular cross-sectional shape along the axial direction and has a shape protruding from the outer peripheral surface of the insertion portion 22. In addition, the insertion engagement portion 26 is not spaced apart in the axial direction of the insertion portion 22, but is provided in plural over the entire circumference in the circumferential direction.

The front end of the insertion portion 22 is processed into a truncated cone shape having an inclined surface 22a for insertion guide, and a hole 28 for inserting a tool for screwing the insertion member 20 into the center of the front end is provided, for example, a hexagon wrench. Of course, the insertion portion 22 and the connecting portion 24 may also be integrally formed to form a single member, or may be formed of different individuals and be integrally provided by welding or the like.

The connecting portion 24 and the insertion portion 22 are different individual anchors or steel bars, etc., have female screw holes at the end on the insertion portion 22 side, and are embedded in the second member 102. In addition, the connecting portion 24 is screw-fitted so as to be attachable and detachable to the insertion portion 22. That is, one end of the insertion part 22 processed by the male screw part is screwed into the female screw hole of the connection part 24. In addition, when the connection part 24 is buried in the insertion member 20, it is arrange|positioned so that the insertion part 22 may protrude from the joining surface 102a.

The opening 15 of the surrounding portion 11 is formed in a circular shape centered on the axial center position of the end member 12 and the surrounding portion 11 connected by screwing. In addition, around the opening 15 is provided a conical guide surface 18 for guiding the tip of the inserted insertion member 20 in the central direction.

The inner flange portion 16 of the surrounding portion 11 is set to be substantially perpendicular to the surrounding wall of the surrounding portion 11, but the stress is concentrated on the corner portion that will be continuous with the surrounding wall and rises at a right angle. Therefore, the corner portion is made by a curved surface. Continuous, disperses the stress concentrated in the corners to improve durability. Of course, it is not limited to this, and the inner flange portion 16 may be formed in a tapered shape, and the inner peripheral surface may be formed in a substantially conical shape, or a curved shape such as a convex shape or a concave shape.

The inner flange portion 16 is located on the side of the accommodating space 13 along the axial direction of the surrounding portion 11, and has a guide surface (seat surface) 16 a having a substantially spherical shape. In addition, the inner flange portion 16 can be inserted into the engaging recessed portion 315 of a tool for screwing the surrounding portion 11 connected to the end member 12 by screwing in the plan view shown in FIG. 4 , The opening 15 is formed radially toward the outer periphery. The engaging recessed portion 315 is formed to prevent the flow of the ready-mixed concrete from flowing into the engaging recessed portion 315 during the work of burying the surrounding portion 11 in the concrete, so as not to communicate with the outer periphery. The groove or hole is better.

Fig. 5 is a cross-sectional view of the engaging body. The engaging body 30 is positioned by elastically pressing the outer peripheral side by three divided bodies 321 with a fan shape in cross section, respectively by winding springs (elastic members) 34 It is composed of a substantially cylindrical cylindrical body that is regulated and integrated. The shape of both end faces in the axial direction of the engagement body 30 is a planar shape. In addition, the inner peripheral surface (inner side) of the engaging body 30 is provided with an inner engaging portion 32 capable of engaging with the insertion engaging portion 26.

The coil spring 34 is formed into a substantially cylindrical shape with an inner diameter smaller than the outer diameter of a cylinder formed by arranging three divided bodies 321 in the circumferential direction, and is housed in a state where the diameter is enlarged against the elastic force. By disposing the three divided bodies 321, the three divided bodies 321 are arranged in the wound state. However, if it is configured that the elastic spring force acts only when the diameter is expanded, the outer diameters of the three divided bodies 321 and the outer diameters of the winding spring 34 may also be set to approximately the same settings.

The coil spring 34 is, for example, as shown in the end view of Fig. 6(A) and the side view of Fig. 6(B), a plate-shaped spring material is bent into a cylindrical shape so that the side edges overlap, and has A locking piece 36 whose one side edge is bent inward. Among them, when the winding spring 34 is wound around the divided body 321, the side line portions overlap and the gap will be reduced in diameter. As a result, the balance of the pressing force acting on the outer periphery of the divided body 321 will be deteriorated. Therefore, the coil spring 34 is wound around the divided body 321, and its diameter is expanded as shown in FIG. 5 without overlapping ends.

The three divided bodies 321 wound with the coil spring 34 are in a state where the position is regulated by the locking piece 36 in the circumferential direction, and the outer peripheral side is elastically pressed and the regulated position is constituted by The elastic force of the spring 34 is an engagement body 30 formed by a substantially cylindrical cylindrical body integrated with an enlarged diameter.

Here, the three divided bodies 321 constituting the engagement body 30 are shown in the end view of FIG. 7(A) and the cross-sectional view of FIG. 7(B), and basically have a fan-shaped cross-sectional shape with a center angle of approximately 120°. However, the cylinder is divided into three parts in the circumferential direction, but it is not limited to this, and it may be divided into two parts or divided into four or more. Among them, the divided body 321 here is set so that the length in the circumferential direction is reduced by a portion corresponding to the thickness t of the locking piece 36, that is, the size is reduced.

The reduction in size of the portion corresponding to the thickness t of the locking piece 36 is that in the engaging body 30 shown in FIG. 5, only one of the three divided bodies 321 is reduced in size. It is also possible to divide the reduced size of the portion corresponding to the thickness t into equal parts to reduce the size of all the three divided bodies 321, thereby aligning the center angles.

If the side edge of the plate-shaped spring material is bent over the entire length of the locking piece 36, although at least one of the three divided bodies 321 must be less than 120° in the center angle, if it is formed into a plate-shaped The locking piece 36 in which a part of the full length of the side edge portion of the spring material is bent can ensure the function of regulating the position in the circumferential direction by the locking piece 36. At this time, it is only necessary to form a groove corresponding to the locking piece 36 in at least one or more of the divided bodies 321, and all of the three divided bodies 321 may be formed into a fan-shaped cross-sectional shape with a basic central angle of 120°. Of course, the locking piece 36 at the end of the winding spring 34 in the circumferential direction is not necessarily provided. If it is not provided, it becomes slightly difficult to determine the phase of the arrangement of the divided bodies of the winding spring 34, but the central angle of the divided body 321 It can also be set to 120°.

The three divided bodies 321 that are integrated by winding the spring 34 to form the engaging body 30 have engaging surface portions 321A for constituting the inner engaging portion 32. The engaging surface portion 321A is substantially the same as the outer shape of the insertion portion 22 of the insertion member 20. When the engaging surface portions 321A are combined, the space surrounded by the engaging surface portions 321A is formed as a receiving space 321B. The engaging surface portion 321A is formed by repeatedly arranging an engaging surface perpendicular to the axial direction and an inclined surface inclined so as to reduce the diameter from the engaging surface side toward the inner side.

Fig. 8 is a diagram showing the inclined follower plate 40, Fig. 8(A) is a side sectional view, and Fig. 8(B) is an end view. The inclined follower plate 40 is a rigid circular plate and has an insertion hole 42 in the center. The insertion hole 42 is formed to have an opening in a size that can be inserted into the insertion member 20 with a sufficient gap. The outer diameter of the inclined following plate 40 is set to be larger than the inner circumferential diameter Da of the opening 15. The inclined follower plate 40 is tied in the accommodating space 13 and arranged between the engaging body 30 and the inner flange portion 16.

In addition, the inclined follower plate 40 has one end surface facing the engagement body 30 formed as a flat surface, and the other end surface facing the inner flange portion 16 is formed as a substantially spherical spherical surface 40a. In addition, the spherical surface 40a is formed into a spherical surface corresponding to the radius of curvature of the guide surface 16a of the inner flange portion 16 or larger than the radius of curvature of the guide surface 16a.

Returning to FIG. 2, the surrounding portion 11 is in a state where the engaging body 30 and the inclined follower plate 40 are accommodated in the accommodation space 13, and the end member 12 is screwed. The outer diameter of the engaging body 30 and the inclined following plate 40 is set to be larger than the inner peripheral diameter Da of the opening 15. Thereby, the engaging body 30 and the inclination following plate 40 are accommodated in such a manner that they can be displaced by a predetermined displacement amount between the end member 12 and the inner flange portion 16 in the axial direction.

In addition, the engaging body 30 and the inclined follower plate 40 are stored in the accommodating space 13 so that the flat end faces abut against each other. The accommodating space 13 is slidable along the guide surface 16a so that at least the inclined follower plate 40 can slide. The size of the gap between the relative inclination following plate 40 in the axis orthogonal direction (radial direction) can be set so that the state in which the spherical surface 40a is in contact with the guide surface 16a can be maintained.

In addition, the engaging body 30 is accommodated in the accommodating space 13 having an inner circumferential diameter Db larger than its outer diameter. Therefore, the accommodating space 13 is freely movable in the axis orthogonal direction, that is, eccentrically arranged. In addition, the engaging body 30 is arranged to slidably contact the flat end surfaces of the inclined following plate 40, and can slide in a direction along the end surface while maintaining the state of contacting the inclined following plate 40.

The engaging body 30 is formed as an opening in the accommodating space 321B, so that the axis of the insertion portion 22 is aligned with the axis of the engaging body 30, and the radial position of the insertion portion 22 is guided to the direction of the centering guide. The guide surface (inclined surface 30a) whose diameter is reduced in the direction. Thereby, by the insertion of the insertion portion 22, the axis of the insertion portion 22 and the axis of the engagement portion 30 spontaneously coincide with each other, so that the insertion position error of the insertion member 20 can be absorbed. Here, the guide surface of the engaging body 30 is provided so as to form a conical inclined surface 30a having a reduced diameter along the insertion direction, but it is not particularly limited to this, and may be, for example, a curved inclined surface.

Next, referring to FIG. 9, a method of joining members by the joint 1 will be described. Here, the first member 101 in which the accommodating member 10 is embedded is formed, and the second member 102 in which the insertion member 20 is embedded is joined for description.

First, as shown in FIG. 9(A), the joint surface 101 a of the first member 101 and the joint surface 102 a of the second member 102 are arranged in parallel, and the axis of the accommodating member 10 and the axis of the insertion member 20 are substantially aligned.

The second member 102 is moved in a direction perpendicular to the joint surfaces 101a, 102a shown by arrow A in FIG. 9(B), and the insertion portion 22 of the insertion member 20 is inserted into the engaging body 30 through the opening 15 The containment space 321B.

The engagement body 30 is composed of three divided bodies 321 wound with the winding spring 34, and is configured as a cylindrical body that can resist the elastic force of the winding spring 34 and is integrated with an enlarged diameter. Therefore, the insertion member 20 The insertion portion 22 is inserted into the accommodating space 321B of the engaging body 30 to expand its diameter. That is, by the elastic fastening force caused by the elastic force of the winding spring 34, the three divided bodies 321 in the regulated position are if the insertion portion 22 of the insertion member 20 is inserted into the receiving space of the engaging body 30 321B, due to the interference between the engaging surface 321A of the inner engaging portion 32 and the engaging surface of the insertion engaging portion 26, moves against the elastic tightening force caused by the elastic force of the winding spring 34. Thereby, the engaging body 30 is in a state in which the diameter has been expanded. In addition, when the apex of the engaging surface of the insertion engaging portion 26 exceeds the apex of the engaging surface 321A of the inner engaging portion 32, and when the recesses and protrusions are fitted to each other, interference between the insert engaging portion 26 and the inner engaging portion 32 is Because of the release, the three divided bodies 321 are returned by the elastic tightening force by the winding spring 34, and the engaging body 30 is in a reduced diameter state.

That is, the insertion engagement portion 26 interferes with the inner engagement portion 32 by an interference amount corresponding to the length protruding from the outer peripheral surface of the insertion portion 22, but because one of the three divided bodies 321 forming the engagement body 30 Or all of them are displaced and can be inserted into the engaging body 30.

As shown above, the three divided bodies 321A are formed to return to a reduced diameter state by the elastic tightening force due to the elastic force of the coil spring 34. As a result, as shown in FIG. 10, with a very small insertion load (for example, 0.3 kN or less), the tip of the insertion portion 22 of the insertion member 20 can be easily inserted to the inner end position of the receiving space 321B of the engaging body 30 .

The insertion portion 22 inserted into the engagement body 30 is formed with an engagement surface perpendicular to the axial direction of the insertion engagement portion 26 and abuts against an engagement surface perpendicular to the axial direction of the engagement body 30 and engages with the shaft In a state where the engaging body 30 cannot be withdrawn. That is, even if a force in the extraction direction is added to the insertion member 20, the engagement surface of the insertion engagement portion 26 and the engagement surface of the engagement body 30 also abut and engage, and the insertion member 20 is regulated to be withdrawn from the engagement body 30. .

As shown above, the joint 1 is arranged such that the joint surface 101a of the first member 101 in which the accommodating member 10 is embedded faces the joint surface 102a of the second member 102 in which the insertion member 20 is embedded, and the two members The relative movement is in a direction perpendicular to the joint surface, and the first member 101 and the second member 102 can be easily joined by only making the joint surface 101a abut the joint surface 102a.

In addition, the insertion portion 22 of the insertion member 20 whose tip is inserted into the end position of the inner portion of the accommodating space 321B is formed as the engagement body 30 due to the elastic force of the winding spring 34, and the outer peripheral surface is elastically regulated. In the radial state, the insertion engagement portion 26 is reliably engaged with the engagement surface 321A of the engagement body 30.

In addition, in the accommodating space 13 of the surrounding portion 11, the engaging body 30 is arranged so as to be freely movable in the radial direction, that is, eccentrically. Therefore, the engaging body 30 is guided by the inclined surface 30a as the tip of the insertion member 20 is inserted. The position in the radial direction at which its axis coincides with the axis of the insertion member 20. That is, the inclined surface 22a provided at the front end of the insertion portion 22 is in contact with the inclined surface 30a of the engaging body 30, whereby the inclined surface 30a of the engaging body 30 is guided to the inclined surface 22a, which can oppose the insertion member 20, Move in the radial direction with the axis aligned.

For example, as shown in FIG. 11(A), if the engaging body 30 is close to the left end in the accommodation space 13, when the insertion portion 22 is inserted, on the right side of the accommodation space 13 shown in FIG. 11(B), the insertion portion 22 The inclined surface 22 a of the tip is in contact with the inclined surface 30 a of the engaging body 30. As a result, as the engaging body 30 enters the insertion portion 22, the inclined surface 30a is pressed by the inclined surface 22, and is pressed and moved in the direction in which the axis center coincides with the axis center of the insertion portion 22. Therefore, the engagement body 30 absorbs the eccentricity for the insertion member 20 even in an eccentric state in which the axis centers of each other do not coincide, and as shown in FIG. 11(C), moves until the axis center is aligned with the insertion portion 22 Consistent location.

The surrounding portion 11 in the accommodating member 10 is an engagement concave portion 315 of the inner flange portion 16 that allows the tool to be engaged, and the surrounding portion 11 is screwed by rotating the surrounding portion 11 in the forward direction around the axis of the end member 12 , And screwed on the end member 12.

In addition, in the state where the engaging body 30 is stored in the accommodating space 13, the surrounding portion 11 of the end member 12 can be screwed to allow the tool to be engaged in the engaging concave portion 315, by wrapping the end member The shaft center of 12 rotates the surrounding portion 11 in the opposite direction to screw back, and is removed by the end member 12.

As described above, since the surrounding portion 11 can be removed from the end member 12, in the construction site or factory, etc., after the accommodating member 10 is buried in the concrete body obtained by 預鑄, even if it is found to be stored in the surrounding portion When the engaging body 30 in 11 is damaged or reversely arranged, if the outer surface of the inner flange portion 16 is exposed before the insertion of the insertion member 20 is completed, the insertion operation of the insertion member 20 can be stopped, and The surrounding portion 11 in the accommodating member 10 is removed from the end member 12 to replace the engaging body 30 and other countermeasures. However, instead of the engaging recessed portion 315 formed in a radial shape, a plurality of engaging recessed portions may be provided in a concentric circle around the opening 15 of the inner flange portion 16 to be dispersed in the radial direction. In addition, recesses of various shapes suitable for tools, such as grooves or round holes, may be provided instead of the engaging recesses.

In addition, an inclined following plate 40 is arranged between the inner flange portion 16 and the engaging body 30, whereby the engaging body 30 together with the inclined following plate 40 can be inclined relative to the axis in the accommodation space. That is, the spherical surface 40a of the inclined follower plate 40 abuts on the guide surface 16a of the inner flange portion 16, and when the spherical surface 40a slides relative to the guide surface 16a, the axis of the inclined follower plate 40 is inclined with respect to the axis of the accommodation space 13 . The engaging body 30 has its end face abutting on the end face of the inclined following plate 40 and therefore is inclined so as to follow the inclined following plate 40.

Here, FIG. 12 is a diagram showing the engagement body inclined following the inclination of the insertion member, (A) shows a state where the axis of the insertion member 20 is inclined at an off-angle with respect to the axis of the receiving member 10, (B) The engagement body 30 inclined with the insertion of the insertion member 20 is shown.

As shown in Figure 12 (A), the axis of the insertion member 20 is relative to the axis of the engaging body 30 and the inclined follower plate 40, and in an off-angle state, the engaging body 30 and the inclined follower plate 40 are associated with the insertion portion 22 By inserting, each axis is displaced to an inclined position that matches the axis of the insertion member 20 so as to absorb the deflection angle.

That is, the inclined follower plate 40 is shown in FIG. 12(B), the spherical surface 40a slides along the guide surface 16a, and each axis is aligned with the axis of the insertion member 20, and is inclined so as not to interfere with the insertion member 20 The penetrating posture. In addition, since the engaging body 30 makes the inclined following plate 40 and the end surface abut against each other, similarly to the inclined following plate 40, it is inclined in a posture that does not hinder the insertion of the insertion member 20.

As shown above, between the spherical surface 40a of the inclined follower plate 40 and the guide surface 16a, the accommodating space 13 is tied to form an inclined guide portion that guides the engaging body 30. Thereby, the engaging body 30 and the inclination following plate 40 absorb the deflection angle, and are displaced to an inclined position where the insertion member 20 can be inserted. Among them, the engaging body 30 only makes the planar end faces abut on the inclined follower plate 40. Therefore, it is not affected by the inclination of the inclined follower plate 40, and the inclined follower plate 40 can be moved along the radial direction of the engaging body 30. Relative displacement.

As described above, if the inclined following plate 40 is arranged between the inner flange portion 16 and the engaging body 30, and the inclined insertion member 20 is inserted into the receiving member 10, the way of following the inclination is also That is, the engaging body 30 and the tilt following plate 40 are inclined in a way to absorb the deflection angle. In addition, since the end surface of the engaging body 30 contacts the end surface of the inclined following plate 40 substantially over the entire surface, the end surface of the engaging body 30 does not partially contact the inclined following plate 40. Therefore, even if the engaging body 30 receives a load along the drawing direction of the insertion member 20, the entire end face contacts the inclined follower plate 40, and is supported uniformly, so that the load is transmitted uniformly, and the original strength can be reliably exerted. .

Among them, in the above-mentioned embodiment, a case where the inclined following plate 40 is provided is described as an example, but it is not limited to this, and the inclined following plate may be omitted. For example, as shown in FIG. 13, if the surface of the engaging body 30 facing the guide surface 16a of the inner flange portion 16 is set as the spherical surface 50, a guide portion can be formed between the spherical surface 50 and the guide surface 16a. Therefore, the engaging body 30 can be inclined following the inclination of the insertion member 20 while abutting against the inner flange portion 16.

In addition, in the above embodiment, the spherical surface 40a is formed to abut the guide surface 16a, and the inclined follower plate 40 slides relative to the inner flange portion 16, whereby the engaging body 30 can be inclined, but it can also be formed as a card. The combined body 30 and the inclined following plate 40 abut against each other on the spherical surface, and the engaging body 30 slides relative to the inclined following plate 40 to be inclined.

For example, as shown in FIG. 14, in the inclined follower plate 40, a concave spherical surface 44 is provided on the side opposite to the engaging body 30, and the end surface of the engaging body 30 opposite to the concave spherical surface 44 is a convex spherical surface 52 , A guide portion is formed between the concave spherical surface 44 and the spherical surface 52. Therefore, when the insertion member 20 whose axis is inclined is inserted into the accommodating member 10, the abutment state of the engaging body 30 and the inclined following plate 40 is maintained to follow the inclination of the insertion member 20, and the engaging body 30 is inclined. Since the end face of the engaging body 30 is in full contact with the inclined following plate 40, the load transmission between the engaging body 30 and the inclined following plate 40 is uniform, and the original strength can be reliably exhibited.

Among them, the inner flange portion 16 and the inclined follower plate 40 at this time are formed by forming the faces facing each other into a flat shape, and can abut the inner flange portion 16 while the inclined follower plate 40 abuts on the inner edge of the accommodating space 13 It slides in the radial direction (direction orthogonal to the axis of the inclined follower plate 40).

Among them, the radius of curvature of the guide surface 16a of the inner flange portion 16 and the spherical surface 40a of the inclined follower plate 40 can be appropriately set, and is not particularly limited to this. However, the joint 1, relative to the receiving member 10, and the insertion member 20 The greater the inclination of, the less suitable the joint state can be obtained. Therefore, specifically, the curvature of the guide surface 16a and the spherical surface 40a can be set in such a way that an off angle of at least 1.5°, preferably an off angle of about 2°, can be absorbed radius.

In addition, if the respective spherical surfaces are capable of contacting each other, they may be convex or concave. For example, as shown in FIG. 15, the guide surface 16a may be formed into a convex spherical shape protruding toward the inclined following plate 40 side, and the spherical surface 40a may be formed into a concave shape overlapping the guide surface 16a. .

Among them, in the above-mentioned embodiment, the system is arranged so that only the engaging body 30 and the inclined following plate 40, the engaging body 30 and the inner flange portion 16, the inner flange portion 16 and the inclined following plate 40 and other members are placed against each other. The following structure will be described, but it is not limited to this, and it may be structured to provide fine irregularities on the surfaces of the contact surfaces of the members, or to interpose oil or grease between the members to improve the sliding properties.

In addition, in the above-mentioned embodiment, the three divided bodies 321 are integrated by winding the spring 34, but a second adjustment member that can adjust the relative position of the divided bodies 321 to a predetermined position may be additionally provided as a second adjustment member The expansion prevention plate. For example, the diameter expansion prevention plate 70 shown in FIG. 16(A) is arranged between the engaging body 30 and the inclined following plate 40. The diameter expansion prevention plate 70 has a shape (for example, a hollow disc shape) through which the insertion member 20 can be inserted, and one of the surfaces facing the engagement body 30 is formed as a conical or concave-curved concave surface 72, and will be inclined The opposite surface of the following plate 40 is formed in a flat shape. The inclined following plate 40 has an end surface facing the diameter expansion prevention plate 70 formed in a flat shape.

In addition, the engaging body 30 is formed by forming an end surface facing the diameter expansion prevention plate 70 into a tapered or convex curved convex surface 60 overlapping the concave surface 72. Therefore, since the convex surface 60 is in close contact with the concave surface 72, that is, the convex surface 60 is embedded in the concave surface 72, the displacement in the separation direction of each divided body 321 is regulated, and the engaging body 30 is regulated to expand in diameter. As shown above, the elastic force of the plate spring 34 is applied to the engaging body 30, and as shown in FIG. 16(B), the convex surface 60 can be pressed against the concave surface 72, so that the effect of preventing diameter expansion can be obtained more firmly.

In addition, it is also possible to provide a regulating surface for regulating the diameter expansion of the engaging body 30 at the end of the inclined follower plate 40 opposite to the engaging body 30, instead of the diameter expansion preventing plate. Specifically, as shown in FIG. 17, the inclined follower plate 40 is a surface of the engagement body 30 that faces the convex surface 60, and is a regulating surface 40 b that forms a concave tapered shape. With the inclined following plate 40 as shown above, the effect of preventing the diameter of the engaging body 30 from expanding can also be obtained.

In addition, if the shape of the diameter expansion prevention plate 70 has at least a tapered concave surface 72, its shape can be appropriately set. For example, as shown in FIG. 18, the diameter-expansion prevention plate 70 may have a spherical surface 74 at the end facing the inclined following plate 40. At this time, the end of the inclined follower plate 40 facing the inner flange portion 16 is flat, and has a spherical surface 40 a at the end facing the spherical surface 74. The spherical surface 74 of the diameter expansion preventing plate 70 and the spherical surface 40a of the inclined follower plate 40 are capable of contacting each other, and one of them is formed as a convex spherical surface (the spherical surface 74 in FIG. 18), and the other square is formed as a concave A spherical surface (spherical surface 40a in FIG. 18).

Among them, even if the spherical surface 50 of the engagement body 30 shown in FIG. 13 is pressed and abutted so as to overlap with the spherical guide surface 16a of the inner flange portion 16, it is possible to prevent the engagement body 30 from expanding in diameter. Effect. That is, the spherical surface 50 has a convex shape, and the guide surface 16a has a concave shape. Therefore, when a load pressed on the guide surface 16a side is applied to the engaging body 30, the divided bodies 321 penetrate the spherical surface 50 and act toward the card. The force on the axis side of the combined body 30. Therefore, when the spherical surface 50 of the engagement body 30 is directly pressed against the inner flange portion 16 and abutted, the effect of preventing the diameter expansion can be obtained.

Fig. 19 shows an example of a shielding construction method applying the joint 1 of the present invention to the construction of a tunnel underground. In the shielding method, segments 201 and 202 produced in a factory or the like are joined in a circumferential direction to produce a ring 203, and the ring 203 is sequentially connected in an axial direction to construct a tunnel 200. The segment 202 is the last joined segment and is formed in a trapezoid shape.

Fig. 20 shows an example of applying the joint 1 of the present invention to a wooden bookcase. The bookshelf 210 is formed in a structure in which one top plate 212 and a plurality of shelf plates 213 are arranged between two side plates 211 arranged in the vertical direction. The present invention can be applied to the joint 214 between the side plate 211 and the top plate 212 and the joint 215 between the side plate 211 and the frame plate 213 shown by short straight lines in FIG. 20. In terms of fixing the insertion member and the receiving member to a member such as wood, for example, a cutout of a size that can accommodate the insertion member or the receiving member is provided, and an adhesive or the like can be used to fix the insertion member or the receiving member. Alternatively, an embedded nut may be formed on the outer periphery of the insertion member or the accommodating member and driven into wood or the like.

In the above-mentioned embodiment, the material and shape of the first member and the second member to which the joint is applied are not limited, and it can be applied to any member as long as the joint surfaces are brought into contact with each other and joined. In terms of the materials of the first member and the second member, the system can be applied to, for example, concrete, ceramics, metal, synthetic resin, wood, etc. In terms of the shape of the first member and the second member, the system can be applied to joining of the same type or different types of members such as a plate shape, a column shape, and a block shape. In addition to the shielding segments and bookshelves illustrated in Figures 19 and 20, it can also be applied to all items such as general concrete components, general furniture, building materials, residential frame materials, and various machinery.

Among them, in the above-mentioned embodiment, the engaging body is made of a plurality of divided bodies, but of course it is not limited to this, and it may be possible to deform the whole (or part) of the engaging body made of one member. Insert the insertion part into the engagement body. In addition, the engagement system is elastically deformable at least when the insertion part is inserted, and in a state where the insertion part is inserted to a predetermined position (for example, the innermost part), the inner engagement part engages with the insertion engagement part, If the shape is restored, the appropriate shape can be set. For example, the engagement body may be formed in a shape in which one or more slits are provided in a part of the outer circumference of the cylindrical shape.

In addition, in the above-mentioned embodiment, as shown in FIG. 21, a spring member 80 like a coil spring that urges the engagement body 30 as the urging member in the axial direction may be arranged at the end member 12 in the accommodation space 13 The end surface presses the engagement body 30 toward the opening 15 side. The engaging body 30 that has been squeezed as described above is pressed on the inner flange portion 16 side, whereby the position can be regulated such that the initial position becomes a predetermined position. Among them, it is also possible to provide an elastic member that doubles as a spring member and a winding spring. For example, a coil spring is wound on the engaging body 30 and fixed to the end surface of the end member 12 for arrangement, thereby positioning the engaging body 30 toward the shaft. Bouncing to and radially. Among them, if the spring member 80 is one that urges the engaging body 30 at least, it may be a disc spring, a plate spring, etc. other than a coil spring.

In addition, in the above-mentioned embodiment, if the winding spring can integrate three divided bodies to form an engagement body, its shape can be appropriately set. For example, at the peripheral end on the downstream side along the insertion direction of the insertion member 20 of the wound spring, a regulation portion that regulates the displacement of the relative position of the split bodies in the axial direction may be formed.

Here, FIG. 22 shows an engagement body wound with a coil spring having a regulating portion, (a) is a plan view, and (b) is a side sectional view. The regulating portion 90 of the coil spring 34 is formed on one of the peripheral ends of the coil spring 34 and protrudes toward the radial inner side. In FIG. 22, a plurality of regulation parts 90 are formed intermittently, but of course the number of regulation parts 90 can be appropriately set. In addition, the regulating portion 90 may be continuously formed along the circumferential end of the winding spring 34. The regulation portion 90 shown above is abutted against one end surface of each divided body 321 as shown in FIG. 22( b ), whereby the divided body 321 regulates the position along the axial direction of the engaging body 30. Therefore, the three divided bodies 321 regulate the displacement of the relative positions of each other along the axial direction, and it is possible to prevent the relative positions of the divided bodies 321 from shifting due to the insertion of the insertion member 20.

Of course, the location where the regulation part is installed is not limited to the peripheral end. For example, the regulating part is set on the inner peripheral surface of the middle position of the winding spring in the axial direction and is formed into a concave and/or convex shape. If corresponding to this, a convex and/or concave card is provided on the outer peripheral surface of the split body. Of course, the engaging portion may be configured such that the regulating portion is engaged with the outer peripheral surface of the divided body.

1: Connector 10: containing components 11: Surrounding Department 11a: Female spiral part 12: End member 12a: Male screw 13: accommodation space 15: Opening 16: inner flange 16a: guide surface 18: guide surface 20: Insert component 22: Insertion part 22a: Inclined surface 24: Connection part 26: Insert the snap part 28: Hole 30: snap body 30a: Inclined surface 32: Inside snap part 34: coil spring 36: card stop 40: Tilt following board 40a: spherical 40b: Regulatory side 42: Through hole 44: concave spherical surface 50, 52: spherical 60: convex 70: Diameter expansion prevention plate 72: concave 74: spherical 80: spring member 90: Regulation Department 102: second member 102a: Joint surface 101: The first component 101a: Joint surface 200: Tunnel 201, 202: Fragment 203: Ring 210: Bookshelf 211: Side Panel 212: top plate 213: Shelf Board 214: Connector 215: Connector 315: engagement concave part 321: Split Body 321A: snap face 321B: Containment Space Da: inner circumference Db: inner circumference Dc: outer diameter

Fig. 1 is a diagram showing the joint of this embodiment. Fig. 2 is a cross-sectional view showing the joint of this embodiment. Fig. 3 is a diagram showing the structure of the receiving member. Fig. 4 is a diagram showing the end face of the surrounding portion. Figure 5 shows a cross-sectional view of the engaging body. Figure 6 is a diagram showing a coiled spring. Fig. 7 is a diagram showing the divided bodies constituting the engagement body. Figure 8 is a diagram showing the inclined follower plate. Fig. 9 is a diagram showing the joining method of the members by the joint. Fig. 10 is a diagram showing the members joined by the joint. Fig. 11 is a diagram showing the displacement of the engaging body. Fig. 12 is a diagram showing the engagement body inclined following the inclination of the insertion member. Fig. 13 is a diagram showing other engaging bodies. Fig. 14 is a diagram showing the engaging body and the inclined follower plate. Fig. 15 is a diagram showing the engaging body and the inclined follower plate. Fig. 16 is a diagram showing the engagement body, the diameter expansion prevention plate, and the tilt following plate. Fig. 17 is a diagram showing an inclined follower plate that can prevent the diameter of the engagement body from expanding. Figure 18 is a diagram showing the engagement body, the diameter expansion prevention plate, and the tilt following plate. Fig. 19 is a diagram showing an example of application of the present invention to shielding. Fig. 20 is a diagram showing an application example of the present invention to wood products. Fig. 21 is a view showing a spring member that urges the engaging portion in the axial direction. Fig. 22 is a diagram showing an engagement body wound with a coil spring having a regulating portion.

1: Connector

10: containing components

20: Insert component

22: Insertion part

22a: Inclined surface

26: Insert the snap part

Claims (14)

A joint structure, including: Insert components, including: Insertion part; and Insert the engaging part, which is arranged on the outside of the insert part; and The receiving member is inserted by the inserting member, and the receiving member includes: The opening part can be inserted into the insertion member; An accommodating space is communicated with the opening, and the insertion portion is inserted into the accommodating space; and The engaging body is arranged in the accommodating space, can be inserted into the insertion part and provided on the inside with an inner engaging part that can engage with the insertion engaging part; Wherein the accommodating space constitutes an inclined guide part that guides the engagement body; the insertion engagement part and the inner engagement part are set to be in a direction substantially perpendicular to the insertion direction of the insertion member, Have a relationship with a predetermined amount of interference; when the inserting member is inserted into the receiving member, a part or the whole of the engaging body is displaced and/or deformed, and the inserting part can be inserted inside the engaging body; in the inserting part In a state of being inserted to a predetermined position, the inner engaging portion is engaged with the inserting engaging portion. The joint structure according to claim 1, wherein the accommodating member has the opening section that has a larger diameter than the outer diameter of the insertion member and a smaller diameter than the radius of curvature of the outer circumference of the engaging body The inner flange portion; the guide portion is composed of the following: and the engagement body of the inner flange portion is opposed to form a substantially spherical seat surface; and the inner flange portion of the engagement body is opposed to A substantially spherical end surface is formed substantially along the seat surface of the inner flange portion. The joint structure according to claim 1, wherein the accommodating member has the opening section having a larger diameter than the outer diameter of the insertion member and a smaller diameter than the radius of curvature of the outer circumference of the engaging body The inner flange portion; more than one adjusting member is arranged between the engaging body and the inner flange portion; the adjusting member and the engaging body, or between the adjusting member and the inner flange portion constitute the Guiding Department. The joint structure according to claim 3, wherein the guide portion is composed of: a flange-side spherical surface formed in a substantially spherical shape facing the member of the inner flange portion; and the adjusting member The inner flange portion opposes and forms a substantially spherical member-side spherical surface substantially along the flange-side spherical surface. The joint structure according to claim 3, wherein the guide portion is composed of: a member-side spherical surface that is opposed to the engagement body of the adjustment member to form a substantially spherical shape; and the adjustment member that is connected to the engagement body A substantially spherical engagement body-side spherical surface substantially along the spherical surface of the member side is formed in the opposite direction. The joint structure according to claim 3, wherein a first adjustment member located on the side of the inner flange portion and a second adjustment member located on the side of the engaging body are arranged, as the adjustment member, the first adjustment member is The surface opposite to the second adjusting member forms a substantially spherical shape; the second adjusting member system: one surface opposite to the engaging body forms a tapered shape, and the other surface opposite to the first adjusting member forms substantially along the The surface of the first adjustment member has a substantially spherical shape. The joint structure according to claim 3, wherein a first adjustment member located on the side of the inner flange portion and a second adjustment member located on the side of the engaging body are arranged, as the adjustment member, the first adjustment member is The surface facing the inner flange portion forms a substantially spherical shape, and one of the surfaces of the second adjusting member facing the engagement body is tapered. The joint structure according to claim 6 or 7, wherein the engagement system has a tapered end surface that can overlap with the tapered surface forming the second adjustment member. The joint structure according to any one of claim 1 to claim 8, wherein the engagement system is formed by a plurality of split bodies divided in an axial direction. The joint structure according to claim 9, wherein it has elastic pressing means for holding the engaging body in an enlarged diameter by pressing a plurality of the divided bodies in the radial direction. The joint structure according to claim 10, wherein the elastic pressing means elastically presses the plurality of divided bodies in the radial direction and/or the axial direction to regulate the position of the engaging body in an enlarged diameter. The joint structure according to claim 11, wherein the elastic pressing means has a regulating portion that regulates the relative position of the split body substantially along the axial direction of the elastic pressing means. The joint structure according to any one of claims 1 to 12, wherein the receiving member has the above-mentioned receiving space having a diameter that can eccentrically house the engaging body in a radial direction with a predetermined eccentric gap. A method of joining components includes: Use the joining structure as described in any one of claim 1 to claim 13.

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