JP2023004492A - connector - Google Patents

Abstract

To provide a connector which is used for integrating members constituting a building with each other, can reliably receive various loads, and is excellent in appearance.SOLUTION: A connector for integrating one member 71 with the other member 81 comprises an upper body 21 to be attached to the one member 71, a lower body 41 to be attached to the other member 81, and a coupling bolt 17 for integrating the upper body 21 with the lower body 41. The upper body 21 is provided with a pressing surface 25 or the like, the lower body 41 is provided with a receiving surface 45 or the like, and the lower body 41 is provided with an outer wall 51 functioning as restraining means for the upper body 21. Then, after the upper body 21 is sandwiched between a pair of outer walls 51, one member 71 and the other member 81 are connected by the coupling bolt 17. As a result, various loads can be received by the contact between the pressing surface 25 and the receiving surface 45, the outer wall 51, etc., and besides the outer wall 51 conceals the upper body 21, the lower body 41 and the other member 81 are arranged without a step and have excellent appearance.SELECTED DRAWING: Figure 1

Description

TECHNICAL FIELD The present invention relates to a coupler used for integrating members that form the framework of a building, such as adjacent columns and beams.

In recent years, as the production technology for laminated lumber has improved, it has become possible to easily obtain members with large cross-sections, and it has become possible to easily realize large-scale wooden construction. When installing members with such large cross-sections, it is difficult to directly introduce the techniques that are widely used in conventional wooden construction, so newly developed metal fittings are often used. Since these metal fittings play an important role in terms of safety, they are strongly integrated with the members via multiple bolts, pins, etc., and various considerations have been made to ensure smooth construction work. there is

Specific examples of metal fittings for installing members with large cross-sections include the following patent documents. Among them, Patent Document 1 discloses a joint metal fitting for construction that can easily perform joining work such as columns and beams. ing. This metal fitting consists of a first metal fitting to be attached to one piece of wood and a second metal fitting to be attached to the other piece of wood. By way of example, locking tabs and locking recesses are disclosed. The locking piece is a wedge-shaped portion formed on the side surface of the first joint fitting and protrudes upward, and the corresponding locking recess is a wedge-shaped portion formed on the side surface of the second joint fitting. It is a portion that protrudes downward, and the locking piece and the locking recess are engaged with each other without loosening. Furthermore, by inserting a bolt from above, the first joint fitting and the second joint fitting are integrated, and a column and a beam can be joined together.

The following Patent Literature 2 discloses, for example, a joint metal fitting for a pillar and a beam. This joint hardware joins the pillar and the beam by attaching a joint hardware material to both the pillar and the beam to be joined, and integrating both the joint hardware materials with bolts. Each of the connecting hardware materials has a configuration in which three metal plates having oblique sides are superimposed. is fitted into the cutout portion of the other party, so that the joint hardware materials are in a state of being fitted to each other. Furthermore, the pillar and the beam are joined by inserting a bolt so as to pierce both joining hardware materials. According to the present invention, the oblique sides of the connecting hardware material can disperse the load acting in the vertical direction in the oblique direction.

Further, Patent Document 3 discloses a connecting structure for a wooden construction in which it is easy to connect timbers together and in which the timbers are less likely to crack. In this invention, a connecting metal fitting composed of a basic metal fitting and an accessory metal fitting is used. Among them, the basic metal fitting is in the shape of "U" with an open interior, and a rod-shaped accessory metal fitting is inserted therein. . Then, of the two timbers to be connected, attach the basic hardware to one and the accessory hardware to the other. After inserting the accessory hardware into the basic hardware, drive the lock pin through both to create The wood of the book is connected. This connection structure has the feature that even if there is a slight deviation in the positional relationship between the basic hardware and the accessory hardware, this misalignment is repaired during the connection work, and in addition to obtaining an accurate connection state, the connection work become easier.

JP-A-10-102604 JP-A-2002-294880 JP 2006-22566 A

As in each of the above-mentioned patent documents, after attaching metal fittings to each of the two members to be connected, the members are brought closer to each other at the construction site, and both metal fittings are combined in a predetermined state. Various methods have been proposed for the technique of integrating members by inserting bolts and pins so as to pierce through them. Since such metal fittings play an important role in ensuring the safety of buildings, it is desirable that they reliably receive various loads. In addition, in a wooden building, the skeleton may be visible, so it is desirable that the metal fittings have an excellent aesthetic appearance so that the natural atmosphere of the wood is not spoiled.

The present invention has been developed based on these circumstances, and aims to provide a coupler that can reliably receive various loads and that is aesthetically pleasing.

The invention according to claim 1 for solving the above-mentioned problem is a connector used at the boundary between the adjacent one member and the other member, comprising an upper body and a surface on the upper body It is composed of a contacting lower body and a connecting bolt that integrates the upper body and the lower body that are in surface contact, and the upper body is attached to the one member via an embedding tool embedded in the one member. Further, the lower body is attached to the other material via an embedding tool embedded in the other material, and the contact surface between the upper body and the lower body is a downward pressing surface provided on the upper body. and an upward receiving surface provided on the lower body, and the upper body and the lower body are connected to each other by inserting the connecting bolt so as to penetrate the boundary between the pressing surface and the receiving surface. One or both of the upper body and the lower body are provided with restraining means for transmitting a shear load therebetween.

The connector according to the present invention is used to integrate two adjacent members such as a pillar and a beam. In principle, these two members are made of wood (including various laminated lumber), but if the conditions are met, One of them can be replaced with a concrete structure, steel material, or the like. The coupler is composed of two metal parts called an upper body and a lower body, which form a pair. unify. Regarding the two members to be connected, the one to which the upper body is attached is called one member, and the other member to which the lower body is attached is called the other member.

The embedding tool is a metal part that is embedded inside the member in order to attach the upper body and the lower body to each member, and plays a role of widely dispersing the load transmitted from the upper body and the lower body within the member. This embedding tool can be freely selected, but specific examples include lag screws, deformed steel bars, shafts, pipes, etc. In the case of lag screws, the ridges protruding from the side peripheral surface bite into the inside of the member. , is integrated with the member without loosening. Also, the deformed steel bar is embedded in the hole formed in the member, and the gap between the two is filled with an adhesive to be integrated with the member. In addition, shafts and pipes are embedded in holes formed in members, and pins are driven so as to intersect with the holes to integrate them with the members. When the member is a concrete structure instead of wood, an anchor bolt, an embedded nut, or the like functions as an embedding tool. Similarly, if the member is made of steel instead of wood, bolts, nuts, etc. integrated with it will function as embedding tools.

After embedding the embedding tool in the member, the upper body and the lower body are brought into contact so as to block the embedded part, and then a bolt or the like is inserted from the surface of the upper body or the lower body toward the embedding tool. A lower body is integral with the member. Therefore, the upper body and the lower body are integrated with the member via the embedding tool, so that concentration of load in the member can be suppressed. From the viewpoint of dispersing the load, a plurality of embedding tools are often provided for one upper body and one lower body. In addition, when it is necessary to attach the upper body and the lower body to members with high precision, pins may be inserted so as to penetrate both sides separately from the embedding tool.

The upper body and the lower body are shaped so that they can come into contact with each other without gaps. It shall exist at one or more places. With this horizontal plane as a reference, the object arranged above is called the upper body, and the object arranged below is called the lower body. Further, with respect to this horizontal plane, the upper body will be referred to as the pressing surface, and the lower body will be referred to as the receiving surface. Therefore, the pressing surface is a downward surface and the receiving surface is an upward surface. It should be noted that "horizontal" here assumes a standard usage state, and in actual use, it may be turned upside down or tilted.

After bringing the upper body and the lower body into contact with each other in a normal state, the connecting bolt plays a role of integrating the two, and is inserted so as to penetrate the boundary between the pressing surface and the receiving surface. The connecting bolt can be inserted in any direction, but normally it is inserted downward from the upper surface of the upper body and screwed into a female thread provided on the receiving surface of the lower body. A plurality of connecting bolts may be used in order to transfer a vertical load between one member and the other member.

The restraining means restricts the movement occurring between the upper body and the lower body and takes charge of transmitting the shear load, and is provided on either one or both of the upper body and the lower body. Note that the shear load here means a load that acts in a direction that causes slippage between the pressing surface and the receiving surface that are in contact with each other, and also acts in a direction perpendicular to the tensile load that separates the upper body and the lower body. pointing to This shear load can be received by the connecting bolts, but the strength and rigidity of the bolts alone may be insufficient, and a restraining means is used to compensate for this. Examples of restraining means include walls and rods that extend perpendicularly to the pressing surface and the receiving surface, and the shear load is transmitted by physical contact between the upper body and the lower body. be.

In this manner, in the present invention, the connector is composed of a pair of upper and lower bodies, and the pressing surface of the upper body rests on the receiving surface of the lower body, thereby smoothly transmitting the vertical load. Further, by providing the restraining means, the shear load can be transmitted only by the contact between the upper body and the lower body in a normal state, and the strength and rigidity are improved. Furthermore, most of the surfaces of the upper body and the lower body are simple planes such as the pressing surface and the receiving surface, and are easy to manufacture. In addition, when the upper body and the lower body come into contact with each other and are integrated, the bottom surface and side surfaces are composed of simple planes. Therefore, even if the members adjacent to the upper body and the lower body are made of wood, the natural atmosphere is not spoiled.

According to the second aspect of the invention, the boundary between the upper body and the lower body is made more complicated. has a downward pressing surface and a wall surface standing upright from the outer edge of the pressing surface, and the lower body side has an upward receiving surface and a wall surface standing upright from the outer edge of the receiving surface. It is characterized by being as a configuration.

In the present invention, the contact surface between the upper body and the lower body is bent stepwise, and in addition to the pressing surface and the receiving surface, the wall surfaces standing upright from the outer edges of the pressing surface and the receiving surface also serve as contact surfaces. Therefore, due to the contact between the wall surfaces, a horizontal compressive load is also transmitted. This wall surface is located on the opposite side of the contact surface with the member in both the upper body and the lower body. Therefore, when attaching the upper body and the lower body to the member, a bolt is inserted from this wall toward the embedding tool. By arranging the contact surfaces of the upper body and the lower body stepwise in this way, the vertical load transmitted between the upper body and the lower body can be distributed over a wider range.

The invention according to claim 3 discloses a specific example of the restraint means. The remaining one of the upper body and the lower body is sandwiched inside the outer wall. The outer wall is formed on both sides of either the upper body or the lower body. Therefore, the pressing surface and the receiving surface are arranged between the pair of outer walls, and furthermore, by sandwiching the counterpart between the pair of outer walls, the shear load is not transmitted between the upper body and the lower body. be possible. Furthermore, the pair of outer walls shall have a size to cover the entirety of the counterpart sandwiched therebetween. As a result, the boundary between the upper body and the lower body is covered, and the appearance is further improved.

The invention according to claim 4 is disclosed as a specific example of restraining means, like the invention according to claim 3, and the restraining means is a penetration pin protruding from the pressing surface of the upper body or the receiving surface of the lower body. and the penetrating pin is fitted into a pin hole formed in the opposing surface. Since the penetrating pin here extends in a direction perpendicular to the pressing surface and the receiving surface, it is inevitably possible to transmit a shear load between the upper body and the lower body. In addition, since the tensile load acting between the upper body and the lower body can be transmitted, the strength and rigidity are further improved.

As in the first aspect of the invention, the connector that integrates the two members is composed of a pair of upper and lower bodies. can be transmitted to Further, by providing the restraining means, the shear load can be transmitted only by the contact between the upper body and the lower body in a normal state, and the strength and rigidity are improved. In addition, most of the surfaces of the upper body and the lower body, such as the pressing surface and the receiving surface, are simple flat surfaces, and complex shapes such as wedges and waves are not used. Therefore, during manufacturing, the main focus is on cutting out flat surfaces, and processing such as welding and bending is kept to a necessary minimum, so that the costs required for manufacturing can be suppressed.

Only the head portion of the connecting bolt that integrates the upper body and the lower body is exposed to the outside. Moreover, when the upper body and the lower body are integrated by the connecting bolts, they are put together in a rectangular parallelepiped shape, and the bottom surface and side surfaces are composed of simple planes. Therefore, even if the members adjacent to the upper body and the lower body are made of wood, the natural atmosphere is not spoiled and the appearance is excellent.

By forming the contact surface between the upper body and the lower body in a stepped manner as in the second aspect of the invention, the vertical load transmitted between the upper body and the lower body can be dispersed over a wider range. Moreover, the pressing surface, the receiving surface, and the wall surface, which constitute the contact surfaces between the upper body and the lower body, are all simple planes, which are easy to form during manufacture.

By using a pair of left and right outer walls as restraining means for transmitting a shear load between the upper body and the lower body, either one of the upper body and the lower body can be attached to the pair of outer walls. It will be sandwiched between and its existence will be obscured. Therefore, after the upper body and the lower body come into contact with each other in a normal state, the boundary between the two is hidden when viewed from the side, further improving the aesthetic appearance.

As in the fourth aspect of the invention, by using a penetration pin as a restraining means for transmitting shear load between the upper body and the lower body, not only shear load but also tensile load can be transmitted. Therefore, the strength and rigidity of the connector are further improved. In many cases, the penetration pin is manufactured separately from the upper body and the lower body, and is press-fitted into the upper body and the lower body.

It is a perspective view which shows the example of a shape of the coupler by this invention, and an example of a use condition, and it assumes installing the end surface of the other member on the side surface of one member through a coupler. In addition, the cross section of the upper body is drawn on the upper right of the figure. FIG. 2 is a perspective view showing the process after FIG. and the lower body are in contact with each other. A cross section of the lower body is drawn in the lower right of the figure. FIG. 2 is a perspective view showing a state in which one member and the other member in FIG. 1 are connected, and details of insertion points of fixing pins and connecting bolts. FIG. 2 is a perspective view showing a case where two beams are connected in a T-shape using a connector different from that in FIG. It is as The top right of the drawing shows the cross section of the upper body, and the bottom left of the drawing shows the cross section of the lower body. FIG. 5 is a perspective view showing a state in which the one member and the other member of FIG. 4 are connected, and details of insertion points of fixing pins and connecting bolts. It is a perspective view which shows the case where a penetration pin is used as a restraint means, and it is assumed that the end surface of the other material is installed on the side surface of one material via a coupling tool. In the upper right of the figure, a section of the upper body is drawn. FIG. 7 is a perspective view showing the process after FIG. and the lower body are in contact with each other. FIG. 7 is a perspective view showing a state in which the one member and the other member in FIG. 6 are connected, and details of insertion points of the penetration pin and the connecting bolt. It is a perspective view showing a case in which the other member is a concrete structure instead of wood. The state after is drawn. FIG. 2 is a perspective view showing a case where one member and the other member are connected using the connector of FIG. 1 and a tension rod is attached thereto, the upper part of the figure shows the state before installation, and the lower part of the figure shows the state after installation. state.

FIG. 1 shows an example of a shape and an example of usage of a connector according to the present invention, and it is assumed that the end surface of the other member 81 is attached to the side surface of the one member 71 via the connector. Here, the one member 71 and the other member 81 are both bar-shaped by cutting wood (including laminated lumber) into a predetermined cross section. Beams. The upper body 21 and the lower body 41 form a pair of couplers. The upper body 21 is attached to one member 71, the lower body 41 is attached to the other member 81, and the upper member 21 and the lower member 41 are attached to each other. The joint bolt 17 and the fixing pin 15 are integrated. In order to attach the upper body 21 and the lower body 41 to the one member 71 and the other member 81, embedding tools 61 and 63 are embedded.

The upper body 21 in this figure has a shape obtained by shaving off one side surface of a metal rod having a square cross section in a step-like manner. The pressing surfaces 25 and 27 are arranged at three upper and lower positions, and are connected by an upright wall surface 26 therebetween. On the other hand, the lower body 41 uses a metal rod with a rectangular cross section slightly larger than that of the upper body 21, and only the inside of one side thereof is scraped off stepwise. , and wall surfaces 46 are alternately arranged, and upward receiving surfaces 45 and 47 are arranged at three upper and lower positions, and an upright wall surface 46 connects between them. Both side surfaces of the lower body 41 that remain without being scraped off have a simple rectangular shape, and these surfaces are referred to as outer walls 51 . Therefore, all of the receiving surfaces 45 and 47 and the wall surface 46 are arranged so as to be sandwiched between the pair of left and right outer walls 51 .

The stepped surfaces of the upper body 21 and the lower body 41 are in contact with each other without gaps. Therefore, of the pressing surfaces 25 and 27 located at three upper and lower positions, the pressing surface 25 located on the lower surface of the upper body 21 rests on the receiving surface 45 on the lower part of the lower body 41 . The pressing surface 27 located in the intermediate portion of the upper body 21 rests on the receiving surface 47 located in the intermediate portion of the lower body 41, and the pressing surface 25 located in the upper portion of the remaining upper body 21 rests on the lower body 41. is placed on the receiving surface 45 on the upper surface of the . At the same time, in the upper body 21 and the lower body 41, the wall surfaces 26, 46 located above and the wall surfaces 26, 46 located below also come into contact with each other. As a matter of course, the dimensions of each part are adjusted at the design stage so that these surfaces can contact each other without gaps. A horizontal compressive load is transmitted by the contact of the 46 with each other.

The embedding tools 61 and 63 are general-purpose lag screws, and both the one member 71 and the other member 81 are embedded in a vertically separated state. Therefore, a pilot hole 76 is machined in the side surface of the one member 71 and a pilot hole 86 is machined in the end face of the other member 81 . The embedding tools 61 and 63 are cylindrical, but on the side peripheral surface thereof, a ridge 66 extending spirally protrudes. It is strongly integrated with the one member 71 and the other member 81 . Furthermore, one end face of each of the embedding tools 61 and 63 is provided with a hexagonal head 65 for hooking a tool for embedding, and a female thread 67 is provided at the center. The embedding tool 61 embedded in the one member 71 and the embedding tool 63 embedded in the other member 81 have the same shape.

A connection bolt 68 is used to attach the upper body 21 to the one member 71 . The connection bolt 68 is inserted from the wall surface 26 toward the female thread 67 of the embedding tool 61 of the one member 71 . Therefore, the upper body 21 is provided with a connection hole 33 connecting the wall surface 26 and the opposite surface thereof. If the head of the connection bolt 68 protrudes from the wall surface 26, the upper body 21 and the lower body 41 cannot contact each other properly. Therefore, a counterbore 34 with an enlarged inner diameter is provided on the entrance side of the connection hole 33, and the head of the connection bolt 68 is accommodated therein. The lower body 41 is also provided with a connection hole 53 connecting the wall surface 46 and the opposite surface thereof, and is also provided with a counterbore 54 having an enlarged inner diameter.

In this figure, the upper body 21 and the lower body 41 that are in contact with each other in a normal state are firmly integrated with one connecting bolt 17 and four fixing pins 15 . The connecting bolt 17 is inserted from the center of the upper surface of the upper body 21 toward the lower body 41 to pull the lower body 41 toward the upper body 21 . Therefore, a vertically extending hole 37 is provided in the center of the upper body 21 for inserting the connecting bolt 17, and a counterbore 38 for accommodating the head of the connecting bolt 17 is provided at the entrance side. The lower end of the vertical hole 37 reaches the pressing surface 27 located in the middle of the upper body 21 . A female thread 57 is provided on the receiving surface 47 located in the intermediate portion of the lower body 41 so that the connecting bolt 17 can be screwed.

The fixing pins 15 are inserted into the pin holes 35 provided at the four corners of the upper surface of the upper body 21 to eliminate fine looseness between the upper body 21 and the lower body 41, and act between the one member 71 and the other member 81. It is responsible for the transmission of tensile loads that In the upper body 21, the two pin holes 35 on the lower left side of the figure extend long and reach the pressing surface 25 located on the lower surface of the upper body 21, but the two pin holes on the upper right side of the figure extend. The pin hole 35 is short and reaches the pressing surface 25 located at the top of the upper body 21 . The lower body 41 also has pin holes 55 at the four corners corresponding to the upper body 21 . The inner diameters of the pin holes 35 and 55 are restricted from the outer diameter of the fixing pin 15 so as to eliminate minute looseness. A male screw 16 is provided at the upper end of the fixing pin 15 . By screwing a nut onto the male screw 16, workability when inserting the fixing pin 15 can be improved, and when the fixing pin 15 is pulled out for some reason, the male screw 16 is used.

The upper body 21 is sandwiched between the left and right outer walls 51 of the lower body 41. The outer walls 51 are large enough to cover the entire upper body 21. can no longer see the upper body 21. Therefore, the stepped boundary formed by the pressing surfaces 25, 27, the receiving surfaces 45, 47, and the wall surfaces 26, 46 is covered with the outer wall 51, and the side surface of the other member 81 and the outer wall 51 of the lower body 41 are not stepped. Because it is lined up, it is excellent in beauty. Although the upper body 21 is sandwiched between the left and right outer walls 51, the upper body 21 and the lower body 41 come into contact with each other on the inner surfaces of the outer walls 51, thereby transmitting the shear load. Note that the shear load here refers to a load acting in a direction connecting both side surfaces of the other member 81 . Thus, the outer wall 51 functions as restraining means for restricting movement of the upper body 21 .

In the upper right of FIG. 1, a cross section of the upper body 21 is drawn to show the arrangement of the connection holes 33, the vertical holes 37, the pin holes 35, and the like. The vertical hole 37 and the counterbore 34 intersect inside, but the connection bolt 68 accommodated in the counterbore 34 is arranged deeper than the vertical hole 37 . Therefore, the connecting bolt 68 and the connecting bolt 17 do not come into contact with each other. During construction, the upper body 21 is attached to the one member 71, the lower member 41 is attached to the other member 81, the upper member 21 is sandwiched between the left and right outer walls 51, and the two are brought into surface contact without a gap. , the upper body 21 and the lower body 41 are integrated with the connecting bolt 17 and the fixing pin 15 .

FIG. 2 shows the process after FIG. 1, and in the upper part of the figure, the state in which the upper body 21 is attached to the one member 71 and the lower member 41 is attached to the other member 81 is depicted. Below, a state in which the upper body 21 and the lower body 41 are brought into contact is depicted. The upper body 21 is attached to the one member 71 by bringing the upper body 21 into contact with the side surface of the one member 71 and inserting the connection bolt 68 from the wall surface 26 of the upper member 21 toward the embedding tool 61 . The lower body 41 is attached to the other member 81 by bringing the lower body 41 into contact with the end face of the other member 81 and inserting the connecting bolt 68 from the wall surface 46 of the lower body 41 toward the embedding tool 63 . Since the lower body 41 has a shape corresponding to the cross section of the other member 81, the outer wall 51 of the lower body 41 is aligned with the side surface of the other member 81 without a step. The upper and lower surfaces of both the lower body 41 and the other member 81 are aligned without steps.

When the other member 81 is brought closer to the one member 71 and the upper body 21 and the lower body 41 are brought into contact with each other in a normal state, the side surfaces of the upper body 21 and the lower body 41 are stepped as shown in the lower part of the figure. The upper body 21 and the lower body 41 form a single rectangular parallelepiped shape, and then the connecting bolt 17 and the fixing pin 15 are inserted to connect the one member 71 and the other member 81 . At this time, the upper surfaces of both the upper body 21 and the lower body 41 are not aligned without a step, and the upper body 21 is slightly lowered to create a step. It is set up to In addition, a section of the lower body 41 is drawn in the lower right of the figure. In this way, the pin holes 55 are arranged near both ends of each receiving surface 45 , and the female thread 57 is arranged in the center of the receiving surface 47 located in the middle portion of the lower body 41 .

FIG. 3 shows a state in which the one member 71 and the other member 81 of FIG. After the state of FIG. 2, when the connection bolt 17 and the fixing pin 15 are completely inserted, the upper body 21 and the lower body 41 are integrated without any gap, and the one member 71 and the other member 81 are connected. In this state, the male screw 16 at the upper end of the fixing pin 15 protrudes without being embedded in the upper body 21, and this is used when the fixing pin 15 is pulled out later for some reason. The upper surface of the upper body 21 is slightly recessed from the surroundings, and the upper end of the fixing pin 15 is accommodated there. As a result, the fixing pin 15 does not protrude higher than the lower body 41 and the other member 81, and floorboards and the like can be laid smoothly later.

The outer wall 51 of the lower body 41 is aligned with the side surface of the other member 81 so that the lower body 41 looks as if it is integrated with the other member 81 . Moreover, the lower body 41 contacts the side surface of the one member 71 without gaps. Therefore, if the colors of both the lower body 41 and the other member 81 are unified, the presence of the lower body 41 cannot be recognized, and the one member 71 and the other member 81 are in a state of being in direct contact, which is excellent in appearance. there is In addition, even if the colors are different, they function as accents on the appearance, so they are still aesthetically pleasing.

3, when the upper body 21 and the lower body 41 are in contact with each other in a normal state, the pressing surfaces 25 and 27 of the upper body 21 come into contact with the receiving surfaces 45 and 47 of the lower body 41. , the wall surfaces 26 and 46 are also in contact with each other at two upper and lower positions, and the gap between the upper body 21 and the lower body 41 disappears. In addition, both pin holes 35 and 55 are concentrically penetrating vertically, and when the fixing pin 15 is inserted therein, the upper body 21 and the lower body 41 are integrated without looseness. As shown on the lower right side of the drawing, the vertical hole 37 and the female screw 57 are also concentrically aligned, and by inserting the coupling bolt 17 there and further tightening, the lower body 41 is pulled toward the upper body 21 .

FIG. 4 shows a case where two beams 72, 81 are connected in a T-shape using a connector different from that in FIG. 42 is shaped accordingly. A section of the upper body 22 is drawn in the upper right of the drawing, and a section of the lower body 42 is drawn in the lower left of the drawing. The pressing surfaces 25 and 27 of the upper body 22 are located at two upper and lower portions, and are arranged stepwise with a wall surface 26 interposed therebetween. A vertical hole 37 for inserting the connecting bolt 17 is provided only in one place in the center of the upper surface of the upper body 22 , and a counterbore 38 is provided at the entrance of the vertical hole 37 , and the lower end of the vertical hole 37 reaches the pressing surface 27 . are doing.

Pin holes 35 for inserting the fixing pins 15 are provided at the four corners of the upper surface of the upper body 22, two of which are elongated on the lower left side of the drawing, and the pressing surface 25 located on the lower surface of the upper body 22. However, the two on the upper right side of the figure are shorter and reach the pressing surface 27 located at the top of the upper body 22 . The wall surface 26 is provided with connecting holes 33 for inserting the connecting bolts 68 at two locations. Absent.

The lower body 42 is made of a metal bar with a rectangular cross section, and is partly shaved off to secure a space so that the upper body 22 can be accommodated. In addition to forming the wall surface 46, both side surfaces that are not scraped off become the outer wall 51.例文帳に追加Among them, the receiving surfaces 45 and 47 are horizontal surfaces facing upward at two locations, which are arranged in a stepped manner with the wall surface 46 interposed therebetween. Further, the upper receiving surface 47 of the lower body 42 is provided with a female thread 57 to be screwed with the coupling bolt 17 at one location, and is provided with pin holes 55 for inserting the fixing pins 15 at two locations. The receiving surface 45 of the lower part of the lower body 42 is provided with two pin holes 55 into which the fixing pins 15 are inserted. The wall surface 46 is provided with counterbore 54 at two locations for inserting the connection bolt 68. At the end of the counterbore 54 is provided a connection hole 53 reaching the opposite surface. It prevents the head from protruding from the wall surface 46. - 特許庁

In order to attach the upper body 22 to the one member 72, two embedding tools 61 are embedded in the side surface of the one member 72, and connecting bolts 68 are inserted from the counterbore 34 of the upper body 22 toward the embedding tools 61. , the upper body 22 is brought into close contact with the side surface of the one member 72 . In order to attach the lower body 42 to the other member 81, two embedding tools 63 are embedded in the end surface of the other member 81, and connecting bolts 68 are inserted from the counterbore 54 of the lower body 42 toward the embedding tools 63. , the lower body 42 is brought into close contact with the end face of the other member 81 . After bringing the upper body 22 and the lower body 42 into surface contact without any gap, the connecting bolt 17 and the fixing pin 15 are inserted.

FIG. 5 shows a state in which the one member 72 and the other member 81 of FIG. 4, the upper body 22 is attached to the one member 72, the lower body 42 is attached to the other member 81, the one member 72 and the other member 81 are brought closer together, and the left and right outer walls 51 of the lower member 42 are assembled. When the upper body 22 is sandwiched between the upper body 22 and the lower body 42 and the upper body 22 and the lower body 42 are brought into surface contact without a gap, and finally the connecting bolt 17 and the fixing pin 15 are inserted, the end surface of the other member 81 is brought into contact with the other member 81 as shown in this figure. It is connected to the side of 72. In this state, in order to cover metal parts such as the upper body 22, the lower body 42, and the fixing pin 15, if a cover plate 85 is attached so as to fill the boundaries of the upper surfaces of both the one member 72 and the other member 81, the one member In addition to eliminating the step between the one member 72 and the other member 81 , the upper surfaces of the one member 72 and the other member 81 form a flat surface integrated with the closing plate 85 interposed therebetween. Note that the fixing pin 15 is not entirely inserted into the upper body 22 in consideration of later extraction.

The outer wall 51 of the lower body 42 is aligned with the side surface of the other member 81 without steps, and the lower body 42 and the other member 81 appear to be integrated. Moreover, the lower body 42 contacts the side surface of the one member 72 without gaps. Therefore, if the colors of both the lower body 42 and the other material 81 are unified, the existence of the lower body 42 cannot be recognized, and the one material 72 and the other material 81 are in a state of being in direct contact, which is excellent in appearance. there is In addition, even if the colors are different, they function as accents on the appearance, so they are still aesthetically pleasing.

5, when the upper body 22 and the lower body 42 are in contact with each other in a normal state, the pressing surfaces 25 and 27 of the upper body 22 contact the receiving surfaces 45 and 47 of the lower body 42. , the wall surfaces 26 and 46 are also in contact with each other, and the gap between the upper body 22 and the lower body 42 disappears. In addition, both pin holes 35 and 55 are concentric and penetrate vertically, and when the fixing pin 15 is inserted therein, the upper body 22 and the lower body 42 are integrated without loosening. As shown on the lower right side of the drawing, the vertical hole 37 and the female thread 57 are also concentrically aligned, and the lower body 42 is pulled toward the upper body 22 by inserting the coupling bolt 17 there and further tightening. The female screw 57 is divided into two upper and lower parts by the counterbore 54 .

FIG. 6 shows a case in which the penetration pins 32 and 52 are used as restraining means, and it is assumed that the end surface of the other member 81 is installed on the side surface of the one member 71 via a connector. One member 71 here is an upright pillar, and the other member 81 is a beam extending in the horizontal direction. In addition, the coupler consists of two pieces, the upper body 23 and the lower body 43, which form a pair. Integrate with bolts 17 . In order to attach the upper body 23 and the lower body 43 to the one member 71 and the other member 81, embedding tools 61 and 63 are embedded. In addition, end grooves 84 for accommodating the upper body 23 and the lower body 43 are processed at the ends of the other member 81 , and the end face of the other member 81 contacts the side surface of the one member 71 . However, in the drawing, in order to show the internal structure, the end of the other member 81 is partially cut out.

The upper body 23 in this figure has pressing surfaces 25 and 27 and wall surfaces 26 arranged alternately. In the lower body 43, receiving surfaces 45, 47 and wall surfaces 46 are alternately arranged. The stepped surfaces of the upper body 23 and the lower body 43 are in contact with each other without gaps. Therefore, of the pressing surfaces 25 and 27 located at three upper and lower positions, the pressing surface 25 located on the lower surface of the upper body 23 rests on the receiving surface 45 below the lower body 43 . The pressing surface 27 located in the intermediate portion of the upper body 23 rests on the receiving surface 47 located in the intermediate portion of the lower body 43, and the pressing surface 25 located in the upper portion of the remaining upper body 23 rests on the lower body 43. is placed on the receiving surface 45 on the upper surface of the . At the same time, in the upper body 23 and the lower body 43, the wall surfaces 26, 46 located above and the wall surfaces 26, 46 located below also come into contact with each other. As a result, horizontal compressive loads can be transmitted in addition to vertical loads.

The embedding tools 61 and 63 are the same as those shown in FIG. A body 23 is attached. After placing the lower body 43 in the end groove 84 of the other member 81 , the lower body 43 is attached to the other member 81 by screwing the connection bolt 68 into the embedding tool 63 . In order to insert the connecting bolt 68 in this manner, counterbores 34 and 54 are provided on the wall surfaces 26 and 46 of the upper body 23 and the lower body 43, respectively, and the connecting holes 33 and 53 at the ends reach the opposite surfaces. there is In addition, the upper body 23 is provided with a counterbore 38 and a vertical hole 37 for inserting the connecting bolt 17 , and the lower end of the vertical hole 37 reaches the pressing surface 27 located in the middle part of the upper body 23 . The lower body 43 is provided with a female screw 57 at a position concentric with the vertical hole 37, and by screwing the coupling bolt 17 into this, the lower body 43 is drawn to the upper body 23, and the two are integrated. .

Two penetration pins 32 protrude from the upper pressing surface 25 of the pressing surfaces 25 and 27 of the upper body 23, and the receiving surface 45 of the lower body 43 that contacts this pressing surface 25 has , a pin hole 55 into which the penetrating pin 32 is inserted. Two penetration pins 52 protrude from the lower receiving surface 45 of the receiving surfaces 45 and 47 of the lower body 43. is provided with a pin hole 35 into which the penetrating pin 52 is inserted. Therefore, when the upper body 23 and the lower body 43 are brought into contact with each other in a normal state, both penetration pins 32, 52 are inserted into the opposite pin holes 55, 35 facing each other, whereby the upper body 23 and the lower body 43 are inserted. Any horizontal loads, such as tensile loads and shear loads, can be transmitted between them.

FIG. 7 shows the process after FIG. 6, and in the upper part of the figure, a state in which the upper body 23 is attached to one member 71 and the lower member 43 is attached to the other member 81 is depicted. Below, a state in which the upper body 23 and the lower body 43 are brought into contact is depicted. After bringing the upper body 23 into contact with the side surface of the one member 71 , the upper body 23 is attached to the one member 71 by screwing the connection bolt 68 into the embedding tool 61 . After the lower body 43 is accommodated in the end groove 84 of the other member 81 , the lower body 43 is attached to the other member 81 by screwing the connection bolt 68 into the embedding tool 63 . At that time, the lower body 43 is covered with the other member 81 except for its upper portion.

After the upper body 23 is attached to the one member 71 and the lower member 43 is attached to the other member 81, the other member 81 is brought closer to the one member 71, and the upper member 23 and the lower member 43 are brought into a normal state. When you touch it, it will be in the state shown in the lower part of the figure. At this time, both of the penetration pins 32, 52 are inserted into the pin holes 55, 35 on the opposing surfaces, so that the upper body 23 and the lower body 43 are restricted from moving freely. The one member 71 and the other member 81 are connected. Here, the penetrating pins 32 and 52 restrict the free movement of the upper body 23 and the lower body 43 only by bringing them into contact with each other in a normal state, so position adjustment between the one member 71 and the other member 81 is unnecessary. Become. After the upper body 23 and the lower body 43 come into contact with each other, the penetration pins 32 and 52 are completely covered. Therefore, unlike this figure, even if the end groove 84 is not processed, only the side surfaces of the upper body 23 and the lower body 43 are exposed to the outside, so the penetration pins 32 and 52 do not affect the appearance.

FIG. 8 shows a state where the one member 71 and the other member 81 of FIG. After the state of FIG. 7, when the insertion of the connecting bolt 17 is finished, the upper body 23 and the lower body 43 are integrated without any gap, and the one member 71 and the other member 81 are connected. At this time, the upper body 23 and the lower body 43 are accommodated in the end groove 84 of the other member 81 , and the end surface of the other member 81 is in contact with the side surface of the one member 71 .

8, when the upper body 23 and the lower body 43 are in contact with each other in a normal state, the pressing surfaces 25 and 27 of the upper body 23 contact the receiving surfaces 45 and 47 of the lower body 43. , the wall surfaces 26 and 46 are also in contact with each other at two upper and lower positions, and the gap between the upper body 23 and the lower body 43 disappears. At the same time, both penetration pins 32, 52 are inserted into each other's pin holes 55, 35, and the upper body 23 and the lower body 43 are integrated without looseness. As shown on the lower right side of the figure, the vertical hole 37 and the female screw 57 for inserting the connecting bolt 17 are also concentrically aligned. Gravitate. The arrangement of the penetration pins 32 and 52 can be freely determined. For example, the penetration pin 32 in the upper part of this figure protrudes from the upper body 23, but on the contrary, it protrudes from the lower body 43, It can also be plugged into the body 23 .

FIG. 9 shows a case in which the other member 82 is a concrete structure instead of wood, and an anchor bolt that functions as the embedding tool 62 protrudes from the vertical surface of this concrete structure. The upper body 21 and the lower body 41 used here are the same as those shown in FIG. be Further, the embedded tool 62 of the other member 82 here is an anchor bolt, most of which is embedded inside the other member 82, but only one end protrudes from the vertical surface, and this is used to A lower body 41 is to be attached. Therefore, a connection nut 69 to be screwed with the embedding tool 62 is inserted into the counterbore 54 of the lower body 41 . In addition, the one member 72 is a beam extending in the horizontal direction, and wood is used here, and one end side thereof is supported by the other member 82 . Then, the upper body 21 is attached to the end face of the one member 72 via the connection bolt 68 and the embedding tool 61 .

After the upper body 21 is attached to the one member 72 and the lower member 41 is attached to the other member 82, the one member 72 is brought closer to the other member 82, and the upper member 21 and the lower member 41 come into contact with each other in a regular state. Finally, when the connecting bolt 17 and the fixing pin 15 are inserted, one end side of the one member 72 is supported by the other member 82 as shown in the lower part of the figure. Here, the outer wall 51 of the lower body 41 is aligned with the side surface of the one member 72 without a step, and is excellent in appearance. Thus, in the present invention, the other member 82 can be replaced with a concrete structure or a steel material, and the one member 72 can also be replaced in the same way.

FIG. 10 shows a case where the one member 71 and the other member 81 are connected using the connector of FIG. 1, and the tension rod 97 is attached to this. Below is the state after installation. The upper body 21 and the lower body 41 are made of metal, and part of their surfaces are exposed to the outside without being covered. Therefore, various metal parts can be attached to these by welding or the like. Here, clevises 95 are attached to the upper surface and the lower surface of the lower body 41, respectively, and one end side of the tension rod 97 is held therethrough. . The clevis 95 and the tension rod 97 are connected via a fulcrum pin 96, so that the pull-out direction of the tension rod 97 can be adjusted. Also, in this figure, welding is assumed as a means for attaching the clevis 95, but bolts can also be used.

In addition, in the lower right of the figure, the case where the tension rod 97 is attached to the side surface of the connecting member is drawn. Here, two sets of connecting members are used to connect the two other members 81 to the side surface of the one member 71. Moreover, these two other members 81 are aligned in height and arranged so as to be perpendicular to each other. The clevis 95 here is arranged so as to connect the side faces of the two sets of connecting tools, and is integrated with both by welding, so that the yield strength is improved. As described above, the present invention envisions exposing a portion of the surface of the lower body 41 or the like, and using this, various parts such as the gusset plate can be easily and firmly attached.

15 fixing pin 16 male screw 17 coupling bolt 21 upper body (three pressing surfaces and two wall surfaces)
22 Upper body (two pressing surfaces and one wall surface)
23 Upper body (three pressing surfaces, two wall surfaces, and penetrating pins)
25 Pressing surface (those with vertical holes not exposed)
26 Wall surface 27 Press surface (those with exposed vertical holes)
32 penetration pin (restraining means)
33 Connection hole 34 Spot facing (communicating with connection hole)
35 pin hole 37 vertical hole 38 counterbore (communicated with vertical hole)
41 Lower body (with three receiving surfaces, two walls, and an outer wall)
42 lower body (two receiving surfaces and one wall surface)
43 Lower body (three receiving surfaces, two wall surfaces, and penetrating pins)
45 Receiving surface (with female screw not exposed)
46 Wall surface 47 Receiving surface (those with exposed female screws)
51 outer wall (restraining means)
52 penetration pin (restraining means)
53 Connection hole 54 Spot facing (communicating with connection hole)
55 pin hole 57 female screw 61 embedded tool (lag screw, one material side)
62 Burying tools (anchor bolts protruding from concrete structures)
63 Burying tool (lag screw/other material side)
65 Head 66 Projection 67 Female screw 68 Connection bolt 69 Connection nut 71 One member (column)
72 one side member (beam)
76 Prepared hole 81 Other material (beam)
82 Other material (concrete structure)
84 end groove 85 closing plate 86 prepared hole 95 clevis 96 fulcrum pin 97 tension rod

Claims (4)

A coupler used at the boundaries of the adjacent one member (71 or 72) and the other member (81 or 82) to integrate them,
Upper bodies (21 to 23), lower bodies (41 to 43) in surface contact with the upper bodies (21 to 23), and upper bodies (21 to 23) and lower bodies (41 to 43) in surface contact and a connecting bolt (17) that integrates
The upper body (21 to 23) is attached to the one member (71 or 72) via an embedding tool (61) embedded in the one member (71 or 72), and the lower body (41 to 43) is attached to the one member (71 or 72). ) is attached to the other material (81 or 82) via an embedding tool (62 or 63) embedded in the other material (81 or 82),
The contact surfaces between the upper bodies (21 to 23) and the lower bodies (41 to 43) are the downward pressing surfaces (25, 27) provided on the upper bodies (21 to 23) and the lower body (41). to 43) and upwardly facing receiving surfaces (45, 47);
By inserting the connecting bolt (17) so as to penetrate the boundary between the pressing surface (27) and the receiving surface (47), the upper bodies (21 to 23) and the lower bodies (41 to 43) are flattened. integrated in contact,
A connector characterized in that one or both of the upper bodies (21 to 23) and the lower bodies (41 to 43) are provided with restraining means for transmitting shear loads therebetween. . The contact surfaces between the upper bodies (21 to 23) and the lower bodies (41 to 43) are bent stepwise, and the upper body (21 to 23) side of the contact surfaces is the downward pressing surface. (25, 27) and a wall surface (26) standing upright from the outer edges of the pressing surfaces (25, 27) are arranged side by side. 2. A coupling according to claim 1, characterized in that a wall surface (46) upstanding from the outer edge of said receiving surface (45, 47) is arranged side by side. The restraining means is a pair of left and right outer walls (51) formed on the side surface of either the upper body (21 or 22) or the lower body (41 or 42). 3. The connector according to claim 1, wherein the remaining one of said upper body (21 or 22) or said lower body (41 or 42) is sandwiched inside the . The restraining means is a penetration pin (32, 52) projecting from the pressing surface (25) of the upper body (23) or the receiving surface (45) of the lower body (43), the penetration pin (32) 3. A coupling according to claim 1 or 2, characterized in that , 52) fit into pin holes (55, 35) formed in the opposing faces.

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