JP4783756B2 - Extruded joint structure - Google Patents

Description

  The present invention relates to an extruded profile joining structure in which a plurality of extruded profiles are joined by sandwiching a projecting edge formed on a clamping groove formed on one side.

When a small extruded profile is joined to form a planar large structure or a three-dimensional large structure, a first fitting piece is extended downward near the end of one plate. The second fitting piece is extended downward at the other plate end portion so as to be fitted, and a groove for holding the lower end of the first fitting piece is formed at the lower portion of the second fitting piece. A step portion for supporting the one plate end portion is formed on an upper portion of the second fitting piece, an intermediate portion of the first fitting piece, and a predetermined second fitting piece corresponding thereto. By forming concave grooves for tightly fitting the first fitting piece and the second fitting piece when pressed in a direction away from each other, and inserting a tightening screw into the concave structure Patent Document 1 discloses an apparatus in which the first and second fitting pieces are fixed to each other.
No. 7-17846

  However, the joint structure in which the first fitting body provided on one plate and the second fitting body provided on the other plate are fitted and crimped by screw tightening requires trouble in screw tightening. In addition, there is a problem that it is difficult to obtain a sufficient pressure-bonding force, and a gap is likely to be formed in the joint portion when the screw is loosened due to vibration or impact.

  The present invention eliminates the above-mentioned problems, and provides an extruded shape joining structure that can easily and quickly perform strong joining of extruded shapes and does not cause loosening or disconnection due to vibration or impact. The task is to do.

In order to solve the above-mentioned problem, the invention according to claim 1 is characterized in that one extruded profile has a protruding protrusion formed on the back side or front side of the side edge, and the other extruded profile has a holding groove on the back side or front side of the side edge. Is formed, and the projecting edge is sandwiched by the sandwiching groove to continuously join the surfaces of the two extruded profiles, and the projecting edge is the one extruded profile. Projecting through a flange provided at the end of the side edge, and the holding groove is formed to project from the front of the flange provided at the end of the side edge of the other extruded profile. It is composed of a wall and a holding wall folded back from the tip of the receiving wall,
When the holding wall is opened, the protruding edge of the one extruded member can be inserted.When the holding wall is closed and crimped, the protruding edge is sandwiched between the holding wall and the receiving wall. the hook of one of the extruded profile the engaged inside the hook of the other extruded profile, and wherein the pressing to Rukoto the hook of the restraining wall the tip above one extruded profile of To do.

Claim 2 according invention has Oite to claim 1, and a hook portion you form the holding grooves, the hook provided at the base of the projecting edge, a recess forming a trough shape having a slope, the slope The convex part which makes a mountain shape is formed correspondingly, It is characterized by the above-mentioned.

According to a third aspect of the present invention, in the first or second aspect , when the holding wall that forms the clamping groove is caulked, the flange provided on the base of the protruding edge that the front end of the holding wall hits is reduced. A step portion is formed.

According to a fourth aspect of the present invention, in any one of the first to third aspects, a thin portion that regulates a caulking mode of the holding wall is formed at a base portion of the holding wall that forms the holding groove. And

According to a fifth aspect of the present invention, in any one of the first to fourth aspects, the flange portion provided at the base portion of the protruding edge and the flange portion provided at the base portion of the receiving wall forming the holding groove are curved portions or It is characterized by being connected to a curved portion or a bent portion formed on the side edge of the extruded shape member via the bent portion.

According to the first aspect of the present invention, when the pressing edge is inserted into the holding groove having a shape in which the pressing wall is opened and the protruding edge can be inserted, the pressing wall and the receiving wall project. The edge is clamped and the tip of the restraining wall and the flange of the receiving wall are also clamped by the flange of the protruding edge. Easy to do . Teeth may, tubular extrusion profile, box-shaped, if formed in a shape obtained by dividing the other three-dimensional structure in some cases, a variety of three-dimensional composite structures by bonding these extrusions Can be easily formed.

In addition, when the holding wall that forms the holding groove is caulked, the tip of the holding wall slightly bites into the flange provided at the base of the protruding edge, and the movement of the holding wall when external force is applied is stopped. It is effective in preventing the caulking from loosening and coming off.

  According to the invention which concerns on Claim 3, since the slope is formed in the trough-shaped recessed part and the mountain-shaped convex part, even if it forms a little front opening of a control wall, it is easy to insert a protrusion into a clamping groove. Therefore, it is easy to create an extruded shape. Then, when the protruding edge is inserted into the holding groove, the convex part forming the mountain shape is engaged with the concave part forming the valley shape, and the one side surface of the protruding edge is stabilized in a state of being in contact with the receiving wall of the holding groove. Walls can be easily caulked, and after caulking, even when external force is applied due to the engagement between the valley-shaped concave portions and the mountain-shaped convex portions, the movement of the protruding edges is restrained to loosen or come off the joints. Don't make it happen.

  According to the fourth aspect of the present invention, when the holding wall forming the holding groove is caulked, the tip of the holding wall bites into the lower step portion of the protruding edge, and even if the holding wall tries to move by the action of external force, this movement This prevents the caulking from loosening or coming off.

  According to the invention of claim 5, when the holding wall that forms the holding groove is caulked, the holding wall is bent from the thin part without causing warping or twisting, and is parallel to the receiving wall. Easy and reliable clamping.

  According to the invention which concerns on Claim 6, the hypotenuse part interposed between one extrusion shape member and a protrusion and between the other extrusion shape member and a clamping groove was joined by clamping of the projection edge by a clamping groove. It is possible to form a novel composite structure in which a groove such as an inverted V-shape is present at the joint between both extruded profiles.

  Embodiments of the extruded shape joining structure according to the present invention will be described below with reference to the drawings.

  FIG. 1 is an explanatory view showing a structure of a protruding edge and a holding groove to be joined by an extruded shape joining structure according to the present invention, and FIG. 2 is an explanatory view showing a state in which the joining of the extruded shape is started. 3 is an explanatory view of a state in which the joining of the extruded shape members has been completed.

  The extruded profile 1 to be joined with this extruded profile joining structure has a planar shape as shown in FIG. 5 (a), an angle shape as shown in FIGS. 6 (a) and 7 (a), and FIG. 8 (a). ), As well as various other shapes according to the shape of the structure to be constructed, and in either case, one extruded shape as shown in FIGS. 1 has a protruding edge 2 at the side edge, and the other extruded shape 1 is formed by extrusion molding of aluminum or an alloy thereof so as to have a holding groove 3 at the side edge.

  The protruding edge 2 formed on the side edge of the one extruded profile 1 is formed so as to be continuous with the extruded profile 1 at the flange 4 attached to the base, and extends to the back side of the extruded profile 1. The holding groove 3 in which the other extruded shape member 1 is formed on the side edge includes a receiving wall 6 that extends to the back side of the extruded shape member 1 at the flange portion 5 attached to the base portion, and the receiving wall 6. It is composed of a holding wall 8 joined to the tip of the wall 6 at the connecting portion 7 and folded back to the base side of the receiving wall 6 in a state of being opened first. And this clamping groove 3 makes the length of the said restraining wall 8 shorter than the receiving wall 6, and the opening 9 which receives the collar part 4 provided in the base part of the protruding edge 2 exists in the side of a base part. It is.

  When the holding wall 8 is caulked, a convex portion 10 is formed on the inner surface so that pressure is concentrated on one side surface of the protruding edge 2, and the protruding portion 10 is caulked on one side surface of the protruding edge 2. A thin portion 12 that restricts the bending position when caulking is formed on the inner side of the base portion, and the tip provided on the base portion of the projecting edge 2 when caulking the tip. A rounded chamfer 13 is provided to make the surface of the portion 4 slippery.

  Further, the flange 4 provided at the base of the protruding edge 2 has a low step portion 15 formed at a portion where the tip of the holding wall 8 contacts when the holding wall 8 is caulked, and further, at the base of the protruding edge 2. The portion where the provided flange 4 and the flange 5 provided at the base of the receiving wall 6 are in contact with each other is a convex portion 16 having a slope 16 'on the protruding edge 2 side, and the inclined wall 17' on the receiving wall 6 side. A recess 17 having a valley shape with

  In order to join a plurality of extruded profiles 1 configured as described above, the projecting green 2 of one extruded profile 1 is inserted into the holding groove 3 of the other extruded profile 1 as shown in FIG. Thus, when the chevron-shaped convex part 16 of the collar part 4 provided at the base part of the protruding edge 2 is engaged with the valley-shaped concave part 17 of the collar part 5 provided at the base part of the receiving wall 6, the chevron-shaped convex part 16 and the valley-shaped concave part The protrusion 2 is positioned by the engagement of 17, and the side surface of the protrusion 2 corresponding to the receiving wall 6 is stabilized in a state of being in close contact with the receiving wall 6. Therefore, when the holding wall 8 which is in the form of a front opening as shown in FIG. 2 is caulked as shown in FIG. 3, the holding wall 8 is easily bent from the thin portion 12 provided at the base and parallel to the receiving wall 6. The ridge portion 10 provided on the inner side surface is pressed against the concave portion 11 provided on one side surface of the protruding edge 2 to bring the other side surface of the protruding edge 2 into close contact with the receiving wall 6 to generate braking friction. At the same time, the engagement between the mountain-shaped convex portion 16 and the valley-shaped concave portion 17 causes the movement of the protruding edge 2 to be suppressed. At this time, the distal end of the restraining wall 8 and the flange 5 provided at the base of the receiving wall 6 press the flange 4 attached to the base of the protruding edge 2, and the distal end of the restraining wall 8 bites into the flange 4. In this state, the lower step portion 15 locks the holding wall 8, so that even if an external force is applied, the holding wall 8 does not move and does not move and does not loosen or come off.

  In addition, the bite for locking the holding wall 8 is preferably about 0.1 mm to 0.2 mm. Moreover, if the small convex part 14 is formed in the back | inner side of the low step part 15 as shown in FIG. 4, the positioning accuracy of the control wall 8 can further be raised.

  Next, as shown in FIG. 5A, the composite structure formed by joining the extruded shape members by this joining structure has a protruding edge 2 at one side end of the plane and is sandwiched between the other side ends. The extruded shape member 1 is formed so as to have a groove 3 and a rib 18 or the like for reinforcement or attachment on the back surface of the intermediate portion, and the required number is shown in FIG. 5 (b). If the protruding edge 2 of the extruded shape member 1 is sandwiched by the sandwiching grooves 3 of the other extruded shape member 1 and joined sequentially, the panel of the planar structure as shown in FIG. Can be formed.

  Moreover, as shown to Fig.6 (a), it is the angle shape which makes the left half of the headboard B shown in FIG.6 (b), and the extrusion shape material 1 which has the protrusion 2 in the side end, and the angle shape which makes the right half side An extruded profile 1 having a clamping groove 3 at the end is formed, and the protruding edge 2 of one extruded profile 1 is clamped by the clamping groove 3 of the other extruded profile 1 as shown in FIG. If the extruded shape members 1 and 1 are joined together, the headboard B having a three-dimensional structure as shown in FIG. 6B can be formed.

  Further, as shown in FIG. 7A, for example, an extruded shape 1 having an angle shape obtained by dividing a square tube into four equal parts, having a projecting edge 2 at one side end, and a holding groove 3 at the other side end. As shown in FIG. 7 (b), the operation of sequentially joining the two extruded profiles by sandwiching the protruding edge 2 of one extruded profile 1 with the clamping groove 3 of the other extruded profile 1 is performed. If the process is performed four times, a three-dimensional structure such as a rectangular tube or a rectangular box cylinder C as shown in FIG. 7B can be formed.

  As shown in FIG. 8 (a), for example, an extruded shape 1 having an arc shape obtained by dividing a cylinder into four equal parts, having a protruding edge 2 at one side end, and a holding groove 3 at the other side end. When forming and joining the projecting edge 2 of one extruded profile 1 by sandwiching it with the clamping groove 3 of the other extruded profile 1 as shown in FIG. As shown in FIG. 8B, a three-dimensional structure cylinder, circular box cylinder D, or the like can be formed.

  FIG. 9 and FIG. 10 show a modification of a part of the joining structure of the extruded shape member described above, and the configuration of the projecting edge 2 and the holding groove 3 which are elements of the joining structure are the same. 2 and the flange 5 provided at the base of the receiving wall 6 that forms the holding groove 3, as shown in FIGS. 9 and 10, the side edge of the extruded shape member 1 and the oblique side 19 or When the extruded shape member 1 and the extruded shape member 1 are joined by sandwiching the projecting edge 2 with the sandwiching groove 3 due to this difference, the joint portion is connected as shown in FIG. A V-shaped groove 21 is formed, and in the case of the planar structure panel A or the like shown in FIG. 11, the groove 21 can cause a striped pattern to appear on the surface thereof.

In the present invention, various types of composite products can be obtained by easily and strongly joining extruded profiles by means of sandwiching the projecting edges with sandwiching grooves.

Explanatory drawing which shows the structure of the protruding edge and clamping groove | channel used for the joining structure of this invention. Explanatory drawing of the state which inserted the protrusion in the clamping groove same as the above and started joining of an extrusion shape member. Explanatory drawing of the state which made the protrusion clamped by the clamping groove same as the above, and completed joining of the extrusion shape member. Explanatory drawing which shows the structure of the protrusion which formed the small convex part in the joining structure of this invention. (A) is a side view of an extruded profile forming a panel, wall material, etc., (b) is a side view showing a panel, a wall material, etc. formed of the same extruded profile. (A) is a side view of an extruded profile forming a headboard, and (b) is a side view of a headboard formed of the same extruded profile. (A) is a side view of an extruded profile that forms a rectangular tube, a rectangular box cylinder, and the like, and (b) is a side view of a rectangular tube, a rectangular box cylinder, etc. that are formed of the same extruded profile. (A) is a side view of an extruded profile forming a cylinder, a circular box cylinder, etc., (b) is a side view of a cylinder, a circular box cylinder, etc. formed of the same extruded profile. Explanatory drawing which shows the structure of the protrusion and the clamping groove | channel used for the partial modification of joining structure. Explanatory drawing which shows the state which clamped the protruding edge by the clamping groove same as the above, and joined the extrusion shape material. The side view which shows the panel, wall material, etc. which were joined by the joining structure shown in FIG.

DESCRIPTION OF SYMBOLS 1 Extrusion profile 2 Protruding edge 3 Clamping groove 4 Ridge part of protruding edge 5 Clamping part of clamping groove side 6 Receiving wall 8 Holding wall 10 Convex part 11 Concave part

Claims (5)

One extruded profile has a protruding protrusion formed on the back side or front side of the side edge, and the other extruded profile has a holding groove formed on the back side or front side of the side edge. The holding groove holds the protruding edge. The extrusion structure joining structure that continuously joins the surfaces of the two extruded shapes,
The protruding edge is formed to protrude through a collar provided at an end of the side edge of the one extruded profile,
The sandwiching groove is constituted by a receiving wall that is formed to project from the front side of the flange portion provided at the end of the side edge of the other extruded shape member, and a holding wall that is folded back from the tip of the receiving wall,
When the holding wall is opened, the protruding edge of the one extruded member can be inserted.When the holding wall is closed and crimped, the protruding edge is sandwiched between the holding wall and the receiving wall. the hook of one of the extruded profile the engaged inside the hook of the other extruded profile, and wherein the pressing to Rukoto the hook of the restraining wall the tip above one extruded profile of Extruded shape joining structure. A hook portion you form the holding grooves, the hook provided at the base of the flange, the convex portion formed between the recess forming a trough shape having a slope, a chevron having an inclined surface is formed in correspondence The extruded structure joining structure according to claim 1 . When caulking the restraining walls forming the holding grooves, according to claim 1 or 2 in hook provided at the base of the flange to the tip of the restraining wall hits, characterized in that the lower step portion is formed 2. Extrusion joint structure according to 1. The extruded section according to any one of claims 1 to 3 , wherein a thin portion that regulates a caulking mode of the holding wall is formed at a base portion of the holding wall that forms the holding groove. Bonding structure. 2. The flange provided at the base of the protruding edge and the flange provided at the base of the receiving wall forming the holding groove are connected to the side end of the extruded shape member via the oblique side. junction structure of extruded profile according to any one of-claims 4.

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