JP2010014209A - Connector for structural frame member - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent loosening of a connector from a securing groove part of a structural frame member by ensuring a connected fixed state of the connector for the structural frame member. <P>SOLUTION: The connector includes a pair of right and left housings, a movable body, an edge cover, and a pressing bolt moving the movable body between a connection fixing position wherein a pressing piece of the movable body is inserted between opposing securing ratchets in the pair of right and left housings by being screwed into a nut part provided in the edge cover and abutting on a bottom face of the securing groove part of the structural frame member, and a connection release position wherein the pressing piece is withdrawn from between the opposing securing ratchets in the pair of right and left housings and positioned in a movable space by releasing screwing with respect to the nut part provided in the edge cover. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention is used, for example, when two structural frame members having a uniform cross-sectional shape are connected and fixed in a posture orthogonal to each other, or other members are connected and fixed to the structural frame material. The present invention relates to a structural frame connector, and more particularly, to a device devised so that a strong fixed state can be obtained with a simple configuration.

2. Description of the Related Art Conventionally, for example, various structural frame connecting members for connecting and fixing two structural frame members having a uniform cross-sectional shape in a posture orthogonal to each other have been proposed and used. For example, there are Patent Document 1, Patent Document 2, and Patent Document 3. The connecting tools disclosed in Patent Document 1, Patent Document 2, and Patent Document 3 are applied to the connecting corner portions of the two structural frame materials to be connected, and the T of the structural frame material is tightened by tightening the bolts. The locking piece inserted into the letter-shaped groove is attached by projecting outward in the width direction.
JP2003-014919A JP 2005-291362 A JP2007-303572A

The conventional configuration has the following problems. In other words, by simply projecting the locking piece on the connector side outward in the width direction, it is not possible to obtain a strong fixed state between the pair of structural frame members and the connector. The amount of engagement of the engagement piece of the coupling tool with respect to the grooves of the pair of structural frame materials becomes shallow due to a case where the load is subjected to an impact load or eccentric load, or due to factors over time. In some cases, the frame material may come off the groove.

The present invention has been made on the basis of the above points. The object of the present invention is to obtain a strong connection and fixing state between the structural frame member and the connector, and various directions received by the structural frame member. It is an object of the present invention to provide a structural frame connecting member having a simple structure capable of preventing the locking piece from falling off the engaging groove due to the impact load, eccentric load or time-dependent factor.

In order to solve the above-mentioned problem, the structural frame material connector according to claim 1 of the present invention uses two structural frame materials in which an engaging groove portion extending in the longitudinal direction is formed on the outer surface, and the two One end face of any one of the structural frame members is brought into contact with the outer surface of the other structural frame member from a direction perpendicular to the structural frame member. In the structural frame material connector for connecting and fixing the two structural frame members in this state, the engaging groove portion and the other engaging frame portion of the structural frame material are in communication with each other. The structural frame connecting member is simultaneously inserted into the respective engaging groove portions of the two structural frame members arranged orthogonally, and is locked by the engaging protrusions protruding inside the engaging groove portions. A pair of left and right side housings provided on two sides perpendicular to each other, and the pair of left and right side hooks. A movable body that is housed in a movable space formed between the zings and includes pressing pieces that advance and retreat between two opposing pairs of locking claws in the pair of left and right side housings on two orthogonal sides; An edge cover that is attached to and attached to a base end portion that is not provided with a locking claw in the side housing and a nut piece that is provided on the edge cover is screwed onto the pressing piece of the movable body. The connection and fixing position where it is made to enter between the opposing engaging claws of the pair of side housings and contact the bottom surface of the engaging groove portion of the structural frame member, and the screwing to the nut portion provided in the edge cover is released. The pressing piece is retracted between the opposing latching claws in the pair of left and right side housings, and the movable body is moved between the connection release position where the pressing piece is positioned in the movable space. And it is characterized in that it comprises a push bolt for moving the.
Further, the structural frame material connector according to claim 2 is the structural frame material connector according to claim 1, wherein the pressing bolt is provided on the other side of the movable body where the pressing piece is not provided. An inclined pressing surface that abuts the lower surface of the guide rod is provided, and a guide rod is raised on the pressing surface, and is configured to slidably engage with the guide hole provided in the edge cover. It is characterized by being.
According to a third aspect of the present invention, there is provided the structural frame member connector according to the second aspect, wherein a connecting bracket is attached to the distal end surface of the guide rod, and the push bolt is attached to the structural frame member connector. When loosening, the upper end surface of the push bolt is brought into contact with the lower surface of the connection bracket, whereby the movable body is lifted obliquely upward to reach the connection release position.
According to a fourth aspect of the present invention, there is provided a structural frame material connector according to any one of the first to third aspects, wherein the edge cover has a pull-up protruding outward from the left and right side surfaces. A convex portion is formed, and the left and right integrated side housing is formed with an engaging hole portion that engages with the pulling convex portion.
Further, the structural frame material coupler according to claim 5 is a structural frame material coupler capable of coupling and fixing other members to the structural frame material in which an engaging groove extending in the longitudinal direction is formed on the outer surface. The structural frame connector includes a pair of left and right side housings provided with locking claws that are inserted into the engagement groove and are locked to engagement protrusions that protrude to the inside of the engagement groove. A movable body that is housed in a movable space formed inside a pair of left and right side housings and includes a pressing piece that moves forward and backward between opposing claw portions of the pair of left and right side housings; An edge cover that is attached to a base end portion that is not provided with a locking claw, and a screw member that is screwed into a nut portion that is provided on the edge cover so that the pressing piece is opposed to the pair of left and right side housings. A connecting and fixing position for entering between the claws and contacting the bottom surface of the engaging groove portion of the structural frame member, and the screw piece to the nut portion provided on the edge cover is released, whereby the pressing piece is moved to the pair of left and right sides. And a push bolt for moving the movable body between a connection releasing position which is retracted from the opposing engaging claws in the housing and is located in the movable space.

As described above, according to the structural frame member connector of the present invention, the two structural frame members having the engaging grooves extending in the longitudinal direction on the outer surface are used, and the two structural frame members are used. One end surface of one of the structural frame members of the frame member is brought into contact with the outer surface of one of the other structural frame members from the direction orthogonal thereto, and at this time, the engaging groove portion of one of the above structural frame members In the structural frame member coupling device for connecting and fixing the two structural frame members in such a state that the engaging groove portions of the other structural frame member communicate with each other. The material connecting tool is inserted into each of the engaging groove portions of the two structural frame members arranged orthogonally at the same time, and is engaged with two engaging protrusions projecting inside the engaging groove portions. Between a pair of left and right side housings having locking claws on two orthogonal sides, and the pair of left and right side housings A movable body that is accommodated in the formed movable space and includes two pressing pieces that are perpendicular to each other, and a pair of left and right side housings; An edge cover that is attached by being attached to a base end portion that is not provided with a locking claw, and a pressing piece of the movable body that is screwed into a nut portion that is provided on the edge cover, thereby the pair of left and right side housings The connecting and fixing position to be brought into contact with the bottom surface of the engaging groove portion of the structural frame member by entering between the engaging claws opposed to each other, and the press piece by releasing the screw engagement with the nut portion provided in the edge cover. A push that moves the movable body between a pair of left and right side housings and a connection release position that retracts from between the opposing locking claws and is located in the movable space. The locking claw is moved to the engagement groove portion of the structural frame member by expanding the opposing locking claw to the left and right in the width direction by positioning the pressing piece at the coupling fixing position. It can be made to latch reliably to the engaging protrusion currently formed with respect.
In addition, the latching claws formed on the side housings are formed on the side housings by raising the left and right side housings obliquely upward by the reaction of the pressing pieces that abut the pressing pieces on the bottom surface of the engaging groove. And the locking state of the locking claw with respect to the engaging protrusion is strengthened. Therefore, even if a temporal factor such as impact load or eccentric load in various directions received by the structural frame material or wear of parts occurs, the locking piece does not fall off from the engaging groove. Moreover, since it is comprised by the comparatively simple structure which interposes a movable body in the left and right side housing, it can also contribute to the cost reduction of the connection tool of a structural frame material.
In addition, an inclined pressing surface with which the lower surface of the pressing bolt abuts is provided on the other side where the pressing surface is not provided with respect to the movable body, a guide lock is raised on the pressing surface, and a guide provided on the edge cover When it is configured to be slidably fitted into the hole, the movable body moves obliquely downward by pushing the inclined pressing surface of the push bolt, and the two orthogonally arranged Coupling and fixing by the locking claws are simultaneously performed on the two corresponding engaging groove portions of the structural frame material. Moreover, the movement of the movable body is guided by the sliding contact guide action of the guide lock and the guide hole, and the movable body is accurately and smoothly moved.
Also, when the connecting bracket is attached to the front end surface of the guide lock and the push bolt is loosened, the upper end surface of the push bolt is brought into contact with the lower surface of the connecting bracket, and the movable body is lifted obliquely upward to release the connection. In the case of reaching the position, the movable body moves integrally with the push bolt, and the entry and withdrawal positions of the pressing piece with respect to the locking claw can be grasped by the position of the push bolt. Further, no separate moving means for moving the movable body to the connection release position is required.
In addition, when a raised convex part that protrudes outward from the left and right side surfaces is formed with respect to the edge cover, and an engagement hole that engages with the raised convex part is formed in the pair of left and right side housings, the movable body is connected. When moved to the fixed position, the pulling force against the engaging protrusion of the locking claw generated by the reaction of the pressing piece pressing the bottom surface of the engaging groove is increased, and the pair of left and right side housings are surely pulled upward. It becomes possible.
In addition, when the structural frame connecting member having the above structure is not used for connecting and fixing the structural frame member of the same standard but used for connecting and fixing the structural frame member to other members, the above-mentioned It is sufficient that at least one set of the pawl and the pressing piece is provided, and even in that case, since the locking pawl is firmly connected and fixed to the engaging groove portion as described above, various directions received by the structural frame member The locking piece is prevented from falling off from the engaging groove due to factors such as impact load, eccentric load or wear of parts.

Hereinafter, the structure and operation mode of the structural frame member connector according to the first embodiment of the present invention will be described in detail with reference to FIGS.
FIG. 1 is a perspective view showing a state before setting a structural frame coupling tool according to the present embodiment to a coupling corner portion of a pair of structural frames arranged orthogonally, and FIG. FIG. 3 is a perspective view showing the state when the connection is fixed, FIG. 4 is a side view showing the state when the connection is released, and FIG. 5 is a front view showing the state when the connection is released. 6 and 6 are sectional views taken along the line VI-VI in FIG.

  7 is a side view showing a state in the middle of the connection, FIG. 8 is a front view showing the state in the middle of the connection, and FIG. 9 is a sectional view taken along the line IX-IX in FIG. 10 is a side view showing the state when the connection is fixed, FIG. 11 is a front view showing the state when the connection is fixed, and FIG. 12 is a state when the connection is fixed. Sectional view, FIG. 13 is an exploded perspective view showing a structural frame material connector according to the present embodiment, and FIG. 14 shows an operation mode of the structural frame material connector according to the present embodiment. They are XIVa sectional drawing (a), XIVb-XIVb sectional drawing (b) in FIG. 7, and XIVc-XIVc sectional drawing in FIG.

As shown in FIGS. 1 to 3, the structural frame member connector 1 according to the present embodiment has a uniform cross-sectional shape and four engaging groove portions extending in the longitudinal direction on the outer surface 3 a. The two structural frame members 3, 3 formed with 5 are used, and one end surface 3 b of one structural frame member 3 is applied from a direction orthogonal to the outer surface 3 a of the other structural frame member 3. It is used when the two structural frame members 3 and 3 are connected and fixed in a posture.
Specifically, the structural frame connector 1 is basically configured by including a pair of left and right side housings 7L and 7R, a movable body 8, an edge cover 9, and a push bolt 10. It is attached to the connecting corner portion 4 of the structural frame members 3 and 3 arranged orthogonally.

As an example, the structural frame member 3 is an extruded product made of aluminum, and as shown in FIGS. 1 to 3, is a square bar-like member having a uniform cross-sectional shape. Then, four engagement groove portions 5 are formed in the center of the four outer side surfaces 3a of the structural frame member 3 over the entire length of the structural frame member 3 along the longitudinal direction.
The engagement groove 5 is a groove having a bowl-like cross-sectional shape with a narrow entrance and a wide back. An engagement protrusion 5a projecting like a hook is formed on the inner side where a locking claw 13 to be described later is locked at the narrowed portion of the entrance, and the bottom surface 5b at the back is a pressing portion 23 to be described later. The end surface 23a is a contact surface that contacts.

The side housing 7L provided on the left side facing the corner part 4 and the side housing 7R provided on the right side facing the corner part 4 are opposed and arranged so that a movable space 11 for accommodating a movable body 8 to be described later is located inside. The left and right symmetrical outer casing member.
The side housings 7 </ b> L and 7 </ b> R are flat container-like members having a pentagonal shape when viewed from the side, which includes five sides including two sides 15 and 17 that are orthogonal to each other. And the latching claws 13 and 13 of the hook-like cross section extended in the length direction of each edge | side are provided in the part close | similar to the corner part 4 of the said two orthogonal | vertical sides 15 and 17 so that it may protrude outward.

Also, mounting holes 29 are formed near the corners of the remaining three sides of the side housings 7L and 7R to receive mounting screws 27 that are screwed into screw holes 25a of the bosses 25 of the edge cover 9 described later. There are two each.
In addition, an engagement hole portion 31 having a long hole shape inclined at 45 ° is formed at an intermediate position between the two mounting holes 29 as an example along the central side 19 of the three sides.
The engaging hole 31 is adapted to engage with a lifting projection 33 formed on the edge cover 9 described later.

The movable space 11 is a narrow space having a triangular shape in a side view that can accommodate a movable body 8 to be described later. An extension space 12 extending toward the central side 19 is connected to the movable space 11, and a bottom portion 35 of an edge cover 9 described later is accommodated in the extension space 12. .
In addition, the inclined surface having the side 19 at the center of the side housings 7L and 7R is provided with a notch 39 having a shape in which a long hole is divided into two at the center in the longitudinal direction for receiving a connecting bracket 37 described later. Yes.

The movable body 8 includes a main body portion 8a formed of a somewhat thick flat plate-like member having a right-angled triangular shape in side view, and pressing pieces 23 provided on two orthogonal sides 41 and 43 of the main body portion 8a. , 23 and two guide rods 49, 49 that are raised from the inclined pressing surface 47 having another side 45 at a right angle to the pressing surface 47.
The pressing piece 23 is a rectangular flat plate member that is thinner than the main body portion 8a, and is appropriately chamfered or tapered so that it can smoothly enter and exit between the two opposing locking claws 13,13. Is given.

The guide rod 49 is a round bar-like member, and can be slidably fitted in a guide hole 51 formed in a bottom portion 35 of the edge cover 9 described later.
Further, screw holes 49a, 49a are formed in the tip surfaces of the two guide rods 49, 49, and the plate-like shape in an elliptical shape in plan view is formed by mounting screws 53, 53 screwed into the screw holes 49a. A connecting bracket 37 as a member is integrally attached.

The connection bracket 37 has two mounting holes 55 and 55 for receiving the mounting screws 53 and 53, and a hexagon wrench for tightening or loosening the pressing bolt 57 which is smaller in the middle position than the outer diameter of the pressing bolt 10 which will be described later. A hole 61 having a size capable of receiving a fastening tool such as 59 is formed.
Then, a lower end surface 10a of a push bolt 10 to be described later is brought into contact with the pressing surface 47, and the movable body 8 is pushed obliquely downward to cause the pressing piece 23 to enter between the opposing locking claws 13 and 13. An end surface 23a of the pressing piece 23 is brought into contact with the bottom surface 5b of the engaging groove 5 of the structural frame member 3, and an upper end surface 57b of a push bolt 10 to be described later is formed on the lower surface 37a of the connecting bracket 37. By abutting, the movable body 8 can be lifted obliquely upward, and the pressing piece 23 can be withdrawn from between the opposing locking claws 13, 13 to reach a connection release position where the pressing piece 23 is positioned in the movable space 11. It is like that.

The edge cover 9 includes a blade-shaped cover body 9a applied to cover the remaining sides of the pair of left and right side housings 7L and 7R that are not provided with the locking claws 13 and 13, and the extension space 12. It is basically configured by including a bottom portion 35 to be accommodated and four boss portions 25 in which the screw holes 25a are formed.
As an example of the cover main body 9a, a concave portion 65 having a size and a depth capable of accommodating the above-described connecting bracket 37 is formed on the inclined surface 63 inclined at 45 °. On the bottom surface of the recessed portion 65, the above-described two guide holes 51, 51 penetrating through the bottom surface of the bottom portion 35 described below, and a female screw to be screwed with a push bolt 10 described later are provided in the middle. A nut portion 67 is formed.

The bottom portion 35 is a rectangular block-shaped member having a rounded corner portion, and the engagement holes formed in the side housings 7L and 7R at portions near the lower end edges of the left and right outer surfaces of the bottom portion 35. Lifting convex portions 33 and 33 having an oval shape in side view that engage with the portion 31 are provided so as to protrude outward.
The boss portion 25 is provided for a flat rib 69 formed between the back surface of the cover body 9 a and the front surface or the rear surface of the bottom portion 35.

And the attachment screw 27 inserted from the attachment hole 29 provided in the base end part of the pair of left and right side housings 7L and 7R is screwed into the screw hole 25a of the boss portion 25, and the pulling convex portion 33 is formed. By engaging with the engagement hole 31, the left and right side housings 7L, 7R can be integrated with the edge cover 9, and outside in the width direction on the free end side where the locking claws 13, 13 are provided. The bending deformation to the direction is possible.

As described above, the push bolt 10 is an operation bolt that is screwed with the nut portion 67 in the edge cover 9 to move the movable body 8 between the connection fixing position and the connection release position. It is constituted by a set screw.
The lower end surface 10a of the push bolt 10 is in contact with the inclined pressing surface 47 of the movable body 8 described above and serves as a pressing surface that pushes the movable body 8 obliquely downward. The upper end surface 10b of the push bolt 10 is It is a pulling surface that contacts the lower surface 37a of the connecting blanket 37 and lifts the movable body 8 obliquely upward.

Next, the operation mode of the structural frame connector 1 of the present invention configured as described above is divided into (1) a connection release state, (2) a connection middle state, and (3) a connection fixed state. Will be described in detail.
(1) Connection release state {See FIGS. 2, 4, 5, 6, 14 (a)}
When the hexagon wrench 59 is inserted into the hexagon hole 71 of the push bolt 10 from the hole 61 of the connecting blanket 37 and is rotated in the loosening direction, the push bolt 10 rotates obliquely upward. The upper end surface 10b comes into contact with the lower surface 37a of the connecting blanket 37 and acts to lift the movable body 8 obliquely upward.

When the pressing pieces 23, 23 provided for the two orthogonal pieces 41, 43 of the movable body 8 retreat from between the opposing locking claws 13, 13 and reach the movable space 11 together with the main body portion 8 a, they face each other. The engaging claws 13 and 13 are brought into contact with the flat inner surface, and the protruding amount in the width direction of the opposing engaging claws 13 and 13 is minimized. The locking claws 13 and 13 can enter the engagement groove portion 5 through the gap between the engagement protrusions 5a of the engagement groove portion 5.

(2) State in the middle of connection {Refer to Drawing 7, 8, 9, 14 (b)}
When the hexagon wrench 59 is inserted into the hexagon hole 71 of the push bolt 10 from the hole portion 61 of the connecting bracket 37 and rotated in the direction in which the push bolt 57 is tightened, the push bolt 57 is directed obliquely downward. The lower end surface 10a abuts against the pressing surface 47 of the movable body 8, and acts so as to push the movable body 8 downward obliquely.

Along with this, the pressing pieces 23, 23 provided for the two orthogonal sides 41, 43 of the movable body 8 have the opposing locking claws 13, 13 whose inner surfaces are in contact with each other. It enters into the gap between the locking claws 13 and 13 so as to spread outward in the left and right directions.
By the movement of the locking claws 13, 13 to the left and right outwards, a hook-shaped claw portion 13 a formed on the outer portion of the locking claw 13 is formed in the engagement groove portion 5 of the structural frame member 3. The engagement projection 5a is locked, and a force is applied to the engagement projection 5a so as to push it outward in the left and right directions, thereby starting the connection.

(3) Connection fixed state {Refer to Drawing 3, 10, 11, 12, 14 (c)}
When the hexagon wrench 59 inserted in the hexagon hole 71 of the set bolt 10 is further rotated in the tightening direction, the lower end surface 10a of the push bolt 10 continues to press the pressing surface 47, and the movable body 8 is moved obliquely downward. Acts to push down.
Along with this, the pressing pieces 23, 23 provided on the two orthogonal sides 41, 43 of the movable body 8 push the opposing locking claws 13, 13 outward and expand the locking claws 13. , 13 projecting from the lower end.

When the pressing pieces 23, 23 progress and the end faces 23 a, 23 a of the pressing pieces 23, 23 abut against the bottom surface 5 b of the engaging groove 5, the pressing force by the pressing pieces 23, 23 is transmitted to the structural frame material 1. Will come to be.
However, since the structural frame member 1 is in a fixed state, a force that moves the pair of left and right side housings 7L and 7R obliquely upward acts as a reaction of the force against the pressing force.
And the engaging claw 13 and 13 which opposes maintain the state expanded by right and left outward by the effect | action of the press piece 23 which approached between the claw 13 and 13, and also the engagement protrusion of the engagement groove part 5 A strong connection / fixed state is formed by applying a force to pull 5a upward.

  In this way, in the present invention, in addition to the force that pushes the opposing locking claws 13 and 13 outward in the left and right directions, the force that pulls up the locking claws 13 and 13 that are locked to the engaging protrusion 5a is orthogonal. The two structural frame members 3 and 3 arranged and the connector 1 of the present invention can be firmly connected and fixed, so that the structural frame member 3 receives impact load, eccentric load, wear, etc. in various directions. It is possible to effectively prevent the locking piece 13 from dropping from the engaging groove portion 5 due to a factor over time.

Next, a second embodiment of the present invention will be described with reference to FIG. For example, the movement of the movable body 8 in the direction in which the pressing piece 23 is retracted from the locking claw 13 can be executed by the return spring 73 as shown in FIG.
That is, in the structural frame member 1A shown in FIG. 15, a return spring 73 formed by a compression coil spring is provided between the left and right side housings 7L and 7R and the movable body 8 as an example. The urging force that moves the movable body 8 obliquely upward is always applied.

Accordingly, the movable body 8 moves obliquely downward against the urging force of the return spring 73 by tightening the push bolt 10, and the movable body 8 is released from the pressing force from the push bolt 10 by loosening the push bolt 10. Thus, it moves obliquely upward by the urging force of the return spring 73.
In the case of the present embodiment, the connection bracket 37 is omitted because it is unnecessary.
Even with such a configuration, substantially the same operations and effects as in the case of the first embodiment can be achieved.

Next, a third embodiment of the present invention will be described with reference to FIG. That is, the structural frame member connector 1 according to the present invention can be used for the purpose of connecting and fixing the other member 75 to the structural frame member 3 as shown in FIG.
In this case, it is sufficient to provide only one set of the locking claws 13 and 13 and the pressing piece 23 as in the structural frame member 1B shown in FIG. It is possible to make it coincide with the moving direction.
In the case of the present embodiment, a suspension ring 77 for suspending a fastener or the like, which is an example of the other member 75, is provided as an example with respect to the left and right side housings 7L and 7R.
Even with such a configuration, substantially the same operations and effects as in the case of the first embodiment can be achieved.

The present invention is not limited to the first to third embodiments.
For example, in the case of the first to third embodiments, the structural frame member having a substantially square cross-sectional shape has been described as an example. However, the shape is not limited thereto, and various shapes such as a rectangle are used. Is assumed.
Further, the cross-sectional shape of the structural frame material is not limited to the illustrated shape, and various shapes are conceivable.
In addition, the illustrated configuration is merely an example.

The present invention is used, for example, when two structural frame members having a uniform cross-sectional shape are connected and fixed in a posture orthogonal to each other, or other members are connected and fixed to the structural frame material. The present invention relates to a structural frame connector, and in particular, with respect to what has been devised so as to obtain a strong fixed state with a simple configuration, for example, various structural frame materials are applied in directions orthogonal to each other. It is suitable for the case of connecting in a state.

It is a figure which shows the 1st Embodiment of this invention, and is a perspective view which shows the state before the setting of the coupling tool of a structural frame material. It is a figure which shows the 1st Embodiment of this invention, and is a perspective view which shows the state at the time of the connection cancellation | release of the coupling tool of a structural frame material. It is a figure which shows the 1st Embodiment of this invention, and is a perspective view which shows the state at the time of the connection fixation of the connection tool of a structural frame material. It is a figure which shows the 1st Embodiment of this invention, and is a side view which shows the state at the time of the connection cancellation | release of the coupling tool of a structural frame material. It is a figure which shows the 1st Embodiment of this invention, and is a front view which shows the state at the time of the connection cancellation | release of the coupling tool of a structural frame material. It is a figure which shows the 1st Embodiment of this invention, and is VI-VI sectional drawing in FIG. 5 which shows the state at the time of the connection cancellation | release of the coupling tool of a structural frame material. It is a figure which shows the 1st Embodiment of this invention, and is a side view which shows the state in the middle of the connection of the connector of a structural frame material. It is a figure which shows the 1st Embodiment of this invention, and is a front view which shows the state in the middle of the connection of the connection tool of a structural frame material. It is a figure which shows the 1st Embodiment of this invention, and is the IX-IX sectional drawing in FIG. 8 which shows the state in the middle of the connection of the coupling tool of a structural frame material. It is a figure which shows the 1st Embodiment of this invention, and is a side view which shows the state at the time of the connection fixation of the connection tool of a structural frame material. It is a figure which shows the 1st Embodiment of this invention, and is a front view which shows the state at the time of the connection fixation of the connection tool of a structural frame material. It is a figure which shows the 1st Embodiment of this invention, and is the XII-XII sectional drawing in FIG. 11 which shows the state at the time of the connection fixation of the connection tool of a structural frame material. It is a figure which shows the 1st Embodiment of this invention and is a disassembled perspective view which shows the coupling tool of a structural frame material. It is a figure which shows the 1st Embodiment of this invention, and is sectional drawing which shows the operation | movement aspect of the coupling tool of a structural frame material, Fig.14 (a) is XIVa-XIVa sectional drawing of FIG. ) Is a sectional view taken along line XIVb-XIVb in FIG. 7, and FIG. 14C is a sectional view taken along line XIVc-XIVc in FIG. It is a figure which shows the 2nd Embodiment of this invention, and is a sectional side view which shows the state at the time of the connection fixation of the connection tool of a structural frame material. It is a figure which shows the 3rd Embodiment of this invention, and is a sectional side view which shows the state at the time of the connection fixation of the connection tool of a structural frame material.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Connector (of structural frame material) 3 Structural frame material 3a Outer side surface 3b One end surface 4 Connection corner part 5 Engaging groove part 5a Engaging protrusion part 5b Bottom surface 7 Side housing 8 Movable body 8a Main body part 9 Edge cover 9a Cover Main body 10 Push bolt 10a Lower end surface 10b Upper end surface 11 Movable space 12 Extension space 13 Locking claw 13a Claw portion 15 Side 17 Side 19 Central side 23 Pressing piece 23a End surface 25 Boss portion 25a Screw hole 27 Mounting screw 29 Mounting hole 31 Joint hole portion 33 Lifting convex portion 35 Bottom portion 37 Connecting bracket 37a Lower surface 39 Notch portion 41 Side 43 Side 45 Other side 47 Press surface 49 Guide rod 49a Screw hole 51 Guide hole 53 Mounting screw 55 Mounting hole 59 Hexagon wrench 61 Hole Part 63 inclined surface 65 recessed part 67 nut part 69 rib 71 hexagonal hole 73 return spring 75 other member 77 Grayed

Claims (5)

Two structural frame members having engagement grooves extending in the longitudinal direction on the outer surface are used, and one end surface of one of the two structural frame members is connected to either one of the other structural frame members. A position where the engaging groove of one of the structural frame members is in contact with the engaging groove of the other structural frame member in contact with the outer surface of the structural frame member from the direction orthogonal thereto. In the connection of the structural frame material that connects and fixes the two structural frame materials in that state,
The structural frame material connector is
Two locking claws that are inserted into the respective engaging groove portions of the two structural frame members arranged orthogonally at the same time and locked to the engaging protrusions projecting inside the engaging groove portions are orthogonal to each other. A pair of left and right side housings on two sides;
A movable body which is housed in a movable space formed between the pair of left and right side housings and which has pressing pieces which advance and retract between two opposing locking claws in the pair of left and right side housings on two orthogonal sides. When,
An edge cover that is attached to and attached to a base end portion that is not provided with a locking claw in the pair of left and right side housings;
By screwing into a nut portion provided on the edge cover, the pressing piece of the movable body enters between the engaging claws facing each other in the pair of left and right side housings, and enters the bottom surface of the engaging groove portion of the structural frame member. The connecting and fixing position to be brought into contact with the nut portion provided on the edge cover is released, and the pressing piece is retracted from between the opposing engaging claws in the pair of left and right side housings to be positioned in the movable space. A push bolt for moving the movable body between the connection release position and
It is equipped with the structural frame material coupling tool characterized by the above-mentioned. The structural frame material connector according to claim 1,
The other side of the movable body where the pressing piece is not provided is provided with an inclined pressing surface that contacts the lower surface of the pressing bolt, and a guide rod is raised on the pressing surface. A structural frame material connector, wherein the structural frame material is slidably fitted into a guide hole provided in an edge cover. The structural frame connector according to claim 2,
A connecting bracket is attached to the distal end surface of the guide rod, and when the push bolt is loosened, the upper end surface of the push bolt comes into contact with the lower surface of the connecting bracket so that the movable body is pulled upward and connected. A connecting device for a structural frame material, characterized in that it reaches a release position. In the structural frame material connector according to any one of claims 1 to 3,
The edge cover is formed with a lifting projection that protrudes outward on the left and right side surfaces, and the left and right side housings are formed with engagement holes that engage with the lifting projection. Structural frame material connector. In the structural frame material connector capable of connecting and fixing other members to the structural frame material in which the engagement groove portion extending in the longitudinal direction is formed on the outer side surface,
The structural frame material connector is
A pair of left and right side housings provided with locking claws inserted into the engaging groove and locked to an engaging protrusion protruding inside the engaging groove;
A movable body that is housed in a movable space formed inside the pair of left and right side housings, and includes a pressing piece that moves forward and backward between the opposing locking claws in the pair of left and right side housings;
An edge cover that is attached to a base end portion that is not provided with a locking claw in the pair of left and right side housings;
By being screwed into a nut portion provided on the edge cover, the pressing piece is caused to enter between the engaging claws facing each other in the pair of left and right side housings to contact the bottom surface of the engaging groove portion of the structural frame member. Connection release for disengaging the pressing piece from between the opposing locking claws in the pair of left and right side housings by releasing the screwing to the connection fixing position and the nut portion provided on the edge cover. A push bolt for moving the movable body between positions;
It is equipped with the structural frame material coupling tool characterized by the above-mentioned.

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