JP5676298B2 - Eaves double joint and eaves connection structure - Google Patents

Description

  In the present invention, when the ends of the eaves are connected to each other, the inner joint and the outer joint are mounted on both the inner and outer surfaces of both ends so as to straddle between the ends, and both ends are integrated with each other. It relates to eaves double joints to be connected.

As joints that connect the ends of the eaves together, the outer joints are attached to the outer surfaces of the both ends, and the inner joints are attached to the inner surfaces of the eaves. An eaves double joint having a structure in which parts are sandwiched and fixed is known.
FIG. 7 shows a double joint used for connecting an eaves with a narrow upper opening, and FIG. 8 shows a double joint used for connecting an eave with a wide upper opening. In both cases, the outer joint 102 is bonded and attached so as to straddle the outer surface between the butted ends of the eaves 100, and then the rear end portion 103a of the inner joint 103 protrudes from the inner surface of the rear wall portion of the outer joint 102. The engaging concave step portion 102b is engaged with the mating concave step portion 102a and is pushed into the eaves wall 100 while rotating the front wall portion side of the inner joint 103 to protrude from the inner surface of the front wall portion of the outer joint 102. The engagement protrusions 103b provided at the front end of the inner joint 103 are engaged with each other, and the inner joint 103 is adhered and fixed to the inner surface between the butted ends, so that the ends of the eaves 100 are integrated with each other. Concatenated configuration (example) Bas see Patent Documents 1 and 2).

JP 2002-61352 A JP 2010-144329 A

  The conventional double joint 101 shown in the figure is a simple operation in which the inner joint 103 is rotated downwardly and pushed into the eaves 100 with the engaging portion on the rear wall side of the outer joint 102 and the inner joint 103 as an axis. Although the inner joint 103 can be attached, the engagement protrusion 103b at the front end of the inner joint 103 and the engagement recess 102b protruding from the front wall of the outer joint 102 are the front ear portion 100a of the eaves 100. Since the engagement portion is covered with the front ear portion 100a, the engagement state cannot be visually confirmed from above the eaves rod 100.

  Therefore, the confirmation of whether the inner and outer joints 102 and 103 are securely engaged is performed by judging from the feeling of touching the engagement portion by inserting a hand from the upper opening of the eaves 100, and by visual confirmation Therefore, it is difficult to notice that the engagement state is incomplete, for example, the engagement is not sufficient or the engagement position is shifted, and the end portions of the eaves 100 are not sufficiently engaged with the inner and outer joints 102 and 103. There was a problem that a gap was formed in the connecting part, and both ends of the eaves 100 were bent and connected, and water was leaked from the connecting part.

  In view of such a problem of the prior art, the present invention relates to an eaves joint double joint in which the butted end portion of the eaves is sandwiched between the inner and outer joints, and whether or not the inner joint is securely engaged with the outer joint. Can be confirmed visually, the inner joint is securely fitted and fixed inside the eaves by a simple operation, and the ends of the eaves can be accurately positioned and connected without creating a gap. The challenge is to do so.

In order to solve the above-mentioned problem, the present invention is such that the front wall portion and the rear wall portion are bent upward at the front and rear end portions of the bottom wall portion, and the front ear portion and the rear wall portion are folded inward at an acute angle at the upper end of the front wall portion. It is a joint that connects the ends of eaves ridges that are formed by providing rear ears at the upper ends, and is an outer part that is attached to the outside of the ends of both eave ridges across the ends of the connected eaves ridges. In an eaves double joint consisting of a joint and an inner joint mounted on the inside,
The outer joint has a bottom wall, a front wall, and a rear wall that are bent substantially along the outer surface of the eaves ridge, and protrudes from the inner surface of the front wall and the rear wall respectively from the inner surface. with part is provided forward positioning piece and a rear positioning piece abutting, provided forward recessed step portion and the rear concave step portion the upper end to the engagement of the front and rear walls of each said joint to the tip edge portion of the front and rear positioning piece, And the front concave step portion is formed by being provided at a height protruding upward from the front end portion of the front ear portion with the outer joint attached to the outer surface of the eaves .
The inner joint has a bottom wall substantially along the inner surface of the bottom wall portion of the eaves and a front and rear wall substantially along the inner surface of the lower half portion of the front and rear wall portion, and an upper strip is integrated with the upper end of the front wall. And an engaging protrusion that engages with the front concave step of the outer joint on the upper front edge of the upper strip, and that engages with the rear concave step of the outer joint on the rear wall. Formed with a recess,
When the outer joint and the inner joint are attached to the connecting end of the eaves, the inner joint is placed on the front concave step of the outer joint above the front ear provided on the upper end of the front wall of the eaves. A configuration in which the engaging protrusion is engaged and the lower part of the upper strip of the inner joint located below the engaging part is pressed and engaged with the upper surface of the tip of the front ear part It is characterized by having.

The connection of the eaves edge part using the eaves double joint of this invention can be performed as follows.
First, the ends of the two eaves to be connected arranged along the eaves are separated from each other by a predetermined interval to support the eaves eaves, and bonded to the inner peripheral surface on the outer side between the ends of the eaves eaves. The outer joint coated with the agent is arranged in parallel. Then, put the outer joint so as to straddle the outer side of the end of both eaves, and connect the eaves with the ends of both eaves contacting each side of the front and rear positioning pieces protruding inward of the outer joint. Once the position has been determined, the inner surface of the outer joint is joined and bonded to the outer surface of the ends of both eaves and the outer joint is attached between the ends of both eaves.
Next, an adhesive was applied to the inner surface of the end of both eaves to which the outer joint was attached, and the adhesive was also applied to the outer peripheral surface of the inner joint. Grab the upper strip and insert the inner joint into the eave ridge from above the opening of the eave ridge with the upper end of the wall facing downward, and the engagement recess formed in the rear wall of the inner joint is the rear dent of the outer joint. Engage with the part.
Then, while rotating the front wall side of the inner joint downward with this engaging portion as a fulcrum, the inner joint is pushed into the eaves ridge, and the outer surface of the inner joint is superposed on the inner surface of the ends of both eaves ridges. By engaging the engagement protrusion of the inner joint with the front concave step of the inner joint, the outer joint and the inner joint are connected and fitted in a state where the outer surface of the inner joint is in close contact with the inner surface of the ends of both eaves rods, In addition, the outer joint and the inner joint are water-tightly bonded to both the inner and outer surfaces of the end portions of both eaves ridges, so that the end portions of both eave ridges can be integrally connected.

According to this, the connecting position of the eaves can be accurately positioned by bringing the ends of the eaves into contact with both sides of the front and rear positioning pieces protruding from the inner surface of the outer joint. Insert the inner joint into the eaves with the rear wall facing downward from above the opening of the collar, hook the engaging recess formed in the rear wall of the inner joint on the rear concave step of the outer joint, and rotate the inner joint. The inner joint can be attached to the outer joint by a simple operation of engaging the engaging protrusion with the front concave step of the outer joint.
At this time, the front concave step portion of the outer joint and the engagement protrusion of the inner joint are provided so as to engage with each other above the front ear portion of the eaves. By confirming, the inner joint can be securely connected and fitted to the outer joint at an accurate engagement position. In addition, since the engagement site can be seen from above the eaves, if the engagement is insufficient or the engagement position is shifted, this can be corrected immediately, and construction errors can be prevented in advance. Is possible.
Further, when the inner joint is operated to rotate, the rotation fulcrum is set at a rear concave step provided on the rear positioning piece protruding forward from the rear wall of the outer joint, and the rear wall of the inner joint is set at the rear concave step. When the inner joint is rotated downward with the engaging portion as a fulcrum and pushed downward, the entire wall of the front wall, bottom wall, and rear wall of the inner joint is engaged. The pressing force acts on the inner joint, the outer surface of the inner joint is pressed against the inner surface of the eaves rod, and the outer surface of the inner joint can be securely bonded to the inner surface of the eaves rod.

When the eaves ridge is formed to have a front ear step portion bent inward while being bent inward at the tip of the front ear portion, the front concave portion of the outer joint is formed. It is preferable that the engaging projections of the stepped portion and the inner joint are provided so as to be engaged above the front ear stepped portion.
In addition, the upper strip provided on the upper end of the front wall of the inner joint is in contact with the upper surface of the front ear portion of the eaves while the front concave step of the outer joint is engaged with the engagement protrusion of the inner joint. It is preferable to provide it so that it contacts.
According to this, the upper strip of the inner joint abuts and engages with the upper surface of the front ear portion of the eaves, and the front ear portion is pressed against the upper strip so that the upper ear piece is spring-fed. When the strip is pressed upward, the engagement between the engagement projection provided on the upper surface of the upper strip and the front concave step is strengthened, and the engagement projection is difficult to be removed from the front concave step.

  Further, the eaves ridge connecting structure of the present invention is an eave ridge having an appropriate shape in which the front wall portion and the rear wall portion are bent upward at the front and rear end portions of the bottom wall portion using the eaves ridge double joint having the above-described configuration. By connecting the ends of the eaves, the eaves double joint is integrally formed with the eaves.

It is the perspective view which expanded the member and showed the eaves hook connected with the eaves double joint which is one Embodiment of this invention. It is the top view (A) and side view (B) of an outer joint. It is the back side external view (A) of an inner joint, and the side view (B) which showed the half surface in the cross section. It is the figure which showed the state which carries out connection fitting of the inner joint to the outer joint attached to the eaves. It is the figure which showed the schematic cross section of the eaves part of the roof containing the eaves which connected the edge part using the eaves double joint of FIG. (A), (B) is the figure which showed the engagement aspect of the front recessed step part of the outer joint and the engaging protrusion of an inner joint in the other form of this invention. It is a side view of the state (A) which attached the outer joint to the eaves ridge in an example of the conventional eaves double joint, and the state (B) which attached the inner joint further. It is the figure which showed the schematic cross section of the eaves part of the roof containing the eaves connected using the other example of the conventional eaves double joint.

A preferred embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view showing an eaves ridge double joint, which is an embodiment of the present invention, and an eaves ridge that connects ends using the eaves ridge, with reference to the eaves.樋, 2 and 3 respectively indicate an outer joint and an inner joint constituting the eaves double joint of this embodiment.

  The eaves 1 is a resin-coated steel plate whose surface is coated with, for example, vinyl chloride resin or a metal steel plate having corrosion resistance such as aluminum, which is bent along the longitudinal direction by sheet metal working, and is shown in FIG. As described above, the front wall portion 12 that rises obliquely forward from the front end of the bottom wall portion 11 and the rear wall portion 13 that rises by bending substantially perpendicularly from the rear end of the bottom wall portion 11 are used. , 13 are formed in a substantially U-shaped cross-sectional shape wider than the bottom wall portion 11.

  The front wall portion 12 has a front ear 121 having a front ear step portion 121a that is folded inward at an acute angle and folded downward at the tip, and the upper end of the rear wall portion 13 is bent rearward and opened inward. A rear ear portion 131 having a substantially U-shaped cross section is formed, and in the approximate center of the front wall portion 12, a horizontally extending concave groove 124 including a horizontal surface 122 and a vertical surface 123 is formed.

  The outer joint 2 is a synthetic resin molded product having a substantially U-shaped cross section including a bottom wall 21, a front wall 22, and a rear wall 23 bent substantially along the outer surface shape of the eaves rod 1. The inner surfaces of the bottom wall 21, the front wall 22, and the rear wall 23 are joined to the outer surfaces of the portion 11 and the front and rear wall portions 12, 13, and are provided in a shape that fits and attaches to the outer surface of the eaves 1.

Specifically, as shown in FIG. 2, the front wall 22 that rises obliquely forward from the front end of the bottom wall 21 has a stepped portion 221 that fits into the recessed groove 124 of the eaves 1 at the approximate center in the height direction. The upper end of the front wall 22 is provided with an upper end support portion 222 that engages with the upper end of the front wall portion 12 of the eaves 1, and is connected to the lower surface of the upper end support portion 222 at the center of the upper surface of the front wall 22 and orthogonal to the front wall 22. Thus, a front positioning piece 223 protruding inward is provided.
The front positioning piece 223 is a protruding piece that is connected to the upper end support portion 222 and has an appropriate width extending toward the rear wall 23, and has a bowl-shaped front concave stepped portion with a tip protruding downward at the protruding upper edge. 223a is formed, and an engagement protrusion 324a of the inner joint 3 described later is engaged with the front concave step 223a. The front concave step portion 223a provided on the front positioning piece 223 is higher than the front ear step portion 121a at the tip of the front ear portion 121 of the eaves rod 1 with the outer joint 2 attached to the outer surface of the eaves rod 1. It is provided at the protruding height.

  A rear positioning piece 231 that protrudes inward and orthogonal to the rear wall 23 is provided above the center of the inner surface of the rear wall 23 that rises substantially vertically from the rear end of the bottom wall 21. A rear concave step portion 231a having an edge bent in a mountain shape is formed at the lower portion of the positioning piece 231, and an engagement concave portion 331a formed on the rear wall 33 of the inner joint 3 described later on the rear concave step portion 231a. Are to be engaged.

  Further, on the central inner surface of the outer joint 2, a streak projecting inward from the lower end of the front positioning piece 223 of the front wall 22 to the lower end of the rear positioning piece 231 of the rear wall 23 across the bottom wall 21. A protruding piece 24 is formed. The protruding piece 24 has the outer joint 2 mounted between the connecting end portions of the eaves rods 1, 1, and the two eaves rods 1, 1 are in contact with both ends of the protruding pieces 24. The projecting dimension is set to be approximately the same as the thickness of the eaves 1 so that the inner surface of 1 is flush with the projecting piece 24.

  The inner joint 3 has a bottom wall 31 substantially along the inner surface of the bottom wall portion 11 of the eaves 1 and a front wall 32 and a rear wall 33 bent substantially along the lower half inner surfaces of the front and rear wall portions 12 and 13. It is a synthetic resin molded product having a substantially U-shaped cross section, and the outer surfaces of the bottom wall 31, the front wall 32 and the rear wall 33 are joined to the inner surface of the eaves rod 1 and fitted to the inner surface of the eaves rod 1. It is provided in the shape to be.

  Specifically, as shown in FIG. 3, the front wall 32 that rises obliquely forward from the front end of the bottom wall 31 is fitted to the inner step of the recessed groove 124 of the eaves 1 at the approximate center in the height direction. A forward slope that is provided with a concave groove 321 and an intermediate support surface portion 322 that is joined to the inner surface of the front wall 12 above the concave groove 124 and that rises upward while slightly tilting toward the rear wall 33 at the upper end of the intermediate support surface portion 322. The upper wall piece 324 is integrally provided at the upper end of the front inclined wall part 323 and is connected to the front inclined wall part 323 so as to intersect with the front inclined wall part 323 and project in a belt shape with an appropriate width in the front and rear. An engaging protrusion 324a that protrudes upward and engages with the front concave step 223a of the outer joint 2 is formed on the upper front edge of the strip 324.

In the state where the inner joint 3 is attached to the inside of the eaves rod 1, the front inclined wall portion 323 has an upper strip 324 provided at the upper end thereof on the front ear step portion 121 a at the tip of the front ear portion 121 of the eaves rod 1. As shown in FIG. 4, when the engagement protrusion 324a of the inner joint 3 is engaged with the front concave step 223a of the outer joint 2, as shown in FIG. The lower part of the upper strip 324 of the inner joint 3 located on the side is provided so as to be in pressure contact with the upper surface of the front ear step 121a at the tip of the front ear 121. The end 324b of the upper strip 324 opposite to the side on which the engaging protrusion 324a is provided is bent downward so that it can be easily gripped when the inner joint 3 is attached.

Further, the rear wall 33 that rises substantially vertically from the rear end of the bottom wall 31 of the inner joint 3 is set to be approximately half the height of the rear wall portion 13 of the eaves wall 1. A rear inclined wall portion 331 that is bent inwardly is connected, and is engaged at a central upper end of the rear inclined wall portion 331 with a rear concave step portion 231a of the outer joint 2 and is cut out in a substantially V shape. A joint recess 331a is provided.
Furthermore, a plurality of concave grooves 34 serving as an adhesive reservoir are formed on the outer surfaces of the bottom wall 31, the front wall 32 and the rear wall 33 of the inner joint 3.

  As shown in FIG. 4, the outer joint 2 and the inner joint 3 configured as described above are fitted into the eave bar 1 with the outer joint 2 mounted on the outer surface, and the rear side of the outer joint 2. The engaging recess 331a of the inner joint 3 is engaged with the recessed step portion 231a, and the engaging protrusion of the inner joint 3 is placed on the front recessed step portion 223a of the outer joint 2 above the front ear portion 121 of the eaves rod 1. By engaging 324a, the outer joint 2 and the inner joint 3 are integrally fitted, and the upper surface of the outer joint 2 and the lower surface of the inner joint 3 are tightly bonded to both the front and back surfaces between the ends of the two eaves rods 1. Connect the ends of the two eaves 1 together.

  The operation of fitting the inner joint 3 to the outer joint 2 is performed by grasping the upper strip 324 of the inner joint 3 and inserting the inner wall 1 into the eaves 1 from above the opening of the eaves 1 with the rear wall 33 facing downward. 3 is engaged with the rear concave step 231a of the outer joint 2, and the front wall 32 side of the inner joint 3 is rotated downward with this engagement site as a fulcrum. If the front wall 32 of the inner joint 3 is pushed downward, the lower surface of the upper band piece 324 of the inner joint 3 is pressed against the front ear step part 121a of the front ear part 121 of the eaves rod 1, and the front ear The engagement protrusion 324a of the inner joint 3 is engaged with the front concave step 223a of the outer joint 2 protruding upward from the step 121a, and the inner joint 3 is fitted to the outer joint 2. At this time, since the front concave step portion 221a and the engaging protrusion 324a are engaged above the front ear portion 121 of the eaves rod 1, both portions can be reliably engaged while visually confirming. It is.

A procedure for connecting the eaves rods 1 and 1 in the eaves rod connection structure using the eaves rod double joint configured as described above will be described.
As shown in FIGS. 1 and 5, first, the eaves rods 1 and 1 are supported by the eaves rod suspension 4 attached along the eaves edge, and the end portions of both the eaves rods 1 and 1 are appropriately spaced (about 10 mm). ) Open and butt, and arrange the outer joint 2 in parallel so as to straddle the outside of the both ends. At this time, an adhesive is applied in advance to the inner peripheral surface of the outer joint 2, and the end portions of the eaves 1 and 1 are brought into contact with the front and rear positioning pieces 223 and 231 and the projecting piece 24 of the outer joint 2. In the state where the connection position is positioned, the outer joint 2 is attached to the outer surface of the eaves 1 and 1 and bonded and fixed.
Next, from above the opening of the eaves rod 1 with the adhesive applied to the inner surface, the inner joint 3 with the adhesive applied to the outer peripheral surface is inserted into the eaves 1 and 1, and the engagement recess 331 a of the inner joint 3 is removed. If the front wall 32 side is rotated downward with the rear concave stepped portion 231a of the joint 2 as a fulcrum, a pressing force acts on the entire front wall 32, bottom wall 31 and rear wall 33 of the inner joint 3. The outer surface of the inner joint 3 is pressed against the inner surfaces of the eaves rods 1 and 1 so as to be in close contact with each other. At the same time, the engaging protrusion 324a of the inner joint 3 is recessed forward of the outer joint 2 above the front ear portion 121 of the eaves rod 1. The inner and outer joints 2 and 3 are coupled and engaged with the stepped portion 223a, and the ends of the eaves 1 and 1 are integrally connected by both joints bonded to the inner and outer surfaces of the eaves 1 and 1.

FIG. 6 shows a form in which the front concave step portion 223a of the outer joint 2 is formed by arranging a plurality of concave portions that engage with the engaging protrusions 324a of the inner joint 3, and FIG. FIG. 4B shows a configuration in which the concave portion is arranged in a stepped manner along the displacement track of the engaging projection 324a when the inner joint 3 is rotated and attached. It is.
In this manner, the concave portions that engage with the engaging protrusions 324a are arranged in a plurality of steps to form the front concave step portion 223a, and the engagement position between the front concave step portion 223a and the engaging protrusion 324a can be selectively adjusted. Thus, even when the upper part of the front ear part 121 of the eaves rod 1 is not joined to the lower part of the upper strip 324 of the inner joint 3, the relationship between the front concave step part 223a and the engaging protrusion part 324a is obtained. The inner joint 3 can be securely mounted in the outer joint 2 by sufficiently increasing the combined pressure.

  In addition, the form of the illustrated outer joint 2 and inner joint 3 is an example, and can be of an appropriate form according to the shape of the eaves rod 1 to be connected. The work procedure for connecting the eaves rod 1 is also an example, and can be performed by an appropriate procedure according to the construction environment, the shape of the eaves rod 1 and the like.

1 eaves, 11 bottom wall, 12 front wall, 121 front ear, 121a front ear step, 13 rear wall, 2 outer joint, 21 bottom wall, 22 front wall, 221 step, 222 upper end support 223 Front positioning piece, 223a Front concave step, 23 Rear wall, 231 Rear positioning piece, 231a Rear concave step, 24 Projection piece, 3 Inner joint, 31 Bottom wall, 32 Front wall, 322 Intermediate support surface, 323 Front Inclined wall part, 324 Upper strip, 324a Engaging protrusion, 33 Rear wall, 331 Rear inclined wall part, 331a Engaging concave step part, 34 concave groove, 4 eaves hanger

Claims (3)

The front wall and the rear wall are bent upward at the front and rear ends of the bottom wall, and are formed by providing a front ear that is folded inward at an acute angle at the upper end of the front wall and a rear ear at the upper end of the rear wall. a joint for connecting the ends of the eaves gutter which is, from the inner joint mounted to the outer joint and the inner which is attached to the outer end portion of Ryonokitoi over between the ends of the connection to eaves gutters In the eaves double joint,
The outer joint has a bottom wall, a front wall, and a rear wall that are bent substantially along the outer surface of the eaves ridge, and protrudes from the inner surface of the front wall and the rear wall respectively from the inner surface. with part is provided forward positioning piece and a rear positioning piece abutting, provided forward recessed step portion and the rear concave step portion the upper end to the engagement of the front and rear walls of each said joint to the tip edge portion of the front and rear positioning piece, And the front concave step portion is formed by being provided at a height protruding upward from the front end portion of the front ear portion with the outer joint attached to the outer surface of the eaves .
The inner joint has a bottom wall substantially along the inner surface of the bottom wall portion of the eaves and a front and rear wall substantially along the inner surface of the lower half portion of the front and rear wall portion, and an upper strip is integrated with the upper end of the front wall. And an engaging protrusion that engages with the front concave step of the outer joint on the upper front edge of the upper strip, and that engages with the rear concave step of the outer joint on the rear wall. Formed with a recess,
When the outer joint and the inner joint are attached to the connecting end of the eaves, the inner joint is placed on the front concave step of the outer joint above the front ear provided on the upper end of the front wall of the eaves. A configuration in which the engaging protrusion is engaged and the lower part of the upper strip of the inner joint located below the engaging part is pressed and engaged with the upper surface of the tip of the front ear part An eaves double joint characterized by comprising: For eaves ridges formed with a front ear step portion bent downward while bending inward at the tip of the front ear portion,
2. The eaves double joint according to claim 1, wherein the front concave step portion of the outer joint and the engagement protrusion portion of the inner joint are provided to engage with each other above the front ear step portion. The structure where the edge parts of the eaves wall which the front wall part and the rear wall part bend | fold upward at the front-and-rear edge part of a bottom wall part are connected using the eaves double joint of Claim 1 or 2. Have eaves connection structure.

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