JP3185661B2 - Joint material - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint member for closing a joint space formed between end faces of an exterior material.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 6, two wall strips (a) are erected in the middle of the surface to form a fitting groove (b) between both wall strips (a). Base joint (c), and a top joint (f) in which a fitting convex piece (e) inserted and fitted into the fitting concave groove (b) from the cover piece (d) for closing the space between joints protrudes. Are known.

[0003] In the joint member, a base joint (c) is attached and fixed to an outer wall base (g), and the base joint (c) is fixed.
The exterior material (h) is arranged and fixed on both sides of the base joint, and the fitting projection (e) of the top joint (f) is inserted and fitted into the fitting concave groove (b) of the base joint (c). The joint (f) is attached and joined to the base joint (c), and both side edges of the cover piece (d) of the top joint (f) are in close contact with the end surfaces of the exterior material (h) on both sides of the space between joints As a result, the interstitial space is closed.

[0004] In this case, the joint space formed between the end surfaces of the exterior material (h) is closed with a good appearance and in a hermetically sealed manner.
In addition, water cutting pieces (R) that are inclined inward to the front side are protrudingly provided on both side edges of the base joint (C), and the water cutting pieces (R) are provided.
Is brought into contact with the back surface of the exterior material (h), so that rainwater that has invaded the back side of the top joint (f) is dammed by the water cut piece (h), and the rainwater flows to the back side of the exterior material (h) I try not to go around.

[0005]

However, in the above-mentioned conventional technology, the back surface of the exterior material (h) is often uneven, for example, by forming a groove for ventilation. In this case, the water-removed piece (R) does not reliably come into contact with the uneven back surface of the exterior material (H).
There is a gap between the back of the exterior material (H) and
Rainwater that has entered the back side of the top joint (f) has spilled to the back side of the exterior material (h). Therefore, there has been a problem that rainwater seeps into the exterior material (h) from the back side, causing frost damage and corrosion to the exterior material (h).

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems in the prior art. That is, it is an object of the present invention to easily and reliably prevent rainwater from flowing to the back side of an exterior material. Another object of the present invention is to provide a joint member that can prevent frost damage and corrosion of the exterior material.

[0007]

Joint member according to the first aspect of the present invention, in order to solve the problem] is formed between two articles of the wall strip portion is erected with walls ridges on the surface middle as fitting groove Rutotomoni On its sides
The base joint where the exterior material is arranged and fixed , and the outer joint
A joint member consisting of a top joint in which a fitting convex piece inserted and fitted into the fitting concave groove is inserted from the cover piece that closes a space between joints between the end surfaces of the material, and is provided in the fitting concave groove. Before the construction
Pre sealant is filled, by fitting the convex pieces into the fitting recessed groove is fitted attached coupled inserted during installation, between joints between the sealant outer package end surface space to
An opening is formed in the wall strip on both sides of the fitting concave groove so as to be pushed out of the wall groove on both sides of the fitting concave groove.

[0008] Therefore, in this case, when the top joint is attached to the base joint, the fitting convex piece is inserted into the fitting groove, and the sealing material filled in the fitting groove is on both sides. Is pushed out of the fitting concave groove from the opening formed in the wall streak portion and flows out, and the leaked sealing material closes and seals the gap between the base joint and the exterior material in the space between joints. In addition, rainwater that has entered the back side of the top joint is prevented from flowing to the back side of the exterior material. Moreover, the waterproofing process is easily performed together with the work of inserting the fitting projection into the fitting groove and attaching and joining the top joint to the base joint. Even if the back surface of the exterior material is uneven, the waterproof treatment is ensured. Waterproofness is obtained.

The joint member according to a second aspect of the present invention is the joint member according to the first aspect, wherein a cover material for closing the groove opening of the fitting concave groove and the opening formed in the both wall strips is provided on the same wall. It is characterized by being detachably attached to the outside of the strip. Therefore, in this case, in particular, the sealing material can be filled in the fitting groove in advance at a factory or the like to simplify the on-site construction. The sealing material can be prevented from flowing out and hardening by the cover material that closes the opening and the opening formed in both the wall streak portions, and the sealing material can be extruded and flowed out without any trouble by removing the cover material during construction.

The joint member according to a third aspect of the present invention is the joint member according to the first or second aspect, wherein a tip end is disposed on both sides of the inter-joint space in the middle of both side surfaces of the fitting convex piece. A tongue piece protruding from the body. Therefore, in this case, in particular, not only the cover piece portion of the top joint but also the tip of the tongue piece on the back side is in close contact with the end face of the exterior material, and the space between the joints is doubled, so that the waterproofness is improved and Leakage of the sealing material from the joint-to-joint space is reliably prevented.

The joint member according to a fourth aspect of the present invention is the joint member according to any one of the first to third aspects, wherein the joint member has an elongated hole shape along the base end edges of both the wall portions. Is formed. Therefore, in this case, particularly, the sealing material efficiently extruded from the slot-shaped opening smoothly flows along the surface of the base joint to the gap between the surface of the base joint and the back surface of the exterior material, The gap is reliably sealed by the sealing material.

A joint member according to a fifth aspect of the present invention is the joint member according to any one of the first to fourth aspects, wherein the joint member protrudes to both sides at the tip end of the fitting convex piece. A locking portion is formed, and locking projections for locking the enormous locking portion from both sides are provided to protrude inside the distal end of the wall strip on both sides of the fitting groove. Therefore, in this case, particularly, the fitting convex piece inserted and fitted into the fitting concave groove is difficult to come off due to the large locking portion being locked by the locking convex pieces on both sides. The stopper allows a large amount of sealing material to flow out of the fitting groove. At this time, the sealing material is blocked by the locking projections on both sides and does not overflow from the groove opening of the fitting groove. It is surely discharged from the openings on both sides.

[0013]

1 and 2 show a first embodiment of the present invention.
The joint member according to this embodiment has two wall strips 1 erected in the middle of the surface so that a fitting groove 2 is formed between the two wall strips 1. Base joint 3
And a top joint 7 in which a fitting convex piece 6 inserted and fitted into the fitting concave groove 2 from a cover piece portion 5 for closing the inter-joint space 4 is provided. The groove 2 is filled with a sealing material 8, and the sealing material 8 is
The opening 9 which is pushed out by the insertion of the fitting convex piece 6 therein is formed in the wall strip portion 1 on both sides of the fitting concave groove 2.

In the joint member of the embodiment, FIG.
(A) As shown in FIG.
A cover material 10 for closing the opening 9 formed at the bottom is detachably attached to the outer side of the two wall strips 1 and has a length along the base edge of the two wall strips 1 as shown in FIG. The opening 9 is formed in a hole shape. A tongue piece 12 is provided in the middle of both side surfaces of the fitting convex piece 6 so as to protrude in close contact with the exterior material end face 11 disposed on both sides of the joint space 4. Is formed with a huge locking portion 13 which protrudes to both sides, and a locking convex piece 14 for locking the huge locking portion 13 from both sides protrudes into the tip of the wall strip portion 1 on both sides of the fitting groove 2. Has been established.

Each of the base joint 3 and the top joint 7 is integrally extruded with a synthetic resin. The base joint 3 has a strip-shaped reinforcing metal sheet 15 inserted therein. Both sides of tongue 5 and tongue 12
Is formed of a soft synthetic resin, and the other portions are formed of a hard synthetic resin. The base joint 3 is attached and fixed to an outer wall base 16 such as a rim by an adhesive or a fixing tool such as a nail, and exterior members 17 are disposed and fixed on both sides of the base joint 3. The exterior material 17 is made of a cement-based inorganic plate, and a plurality of grooves for ventilation 18 are formed in parallel on the back surface thereof, and the back surface is uneven. The exterior material 17 is the outer wall foundation 16
Intended to be plural juxtaposed laterally attached form vertical joints shaped joint mass pace 4 between the outer member end surface 11 of the Dogaiso member 17 is formed.

The fitting joint 6 of the top joint 7 is inserted and fitted into the fitting groove 2 of the base joint 3, and the top joint 7 is attached and joined to the base joint 3, and the cover of the top joint 7 is covered. The two side edges of the piece 5 and the tip of the tongue piece 12 form the joint space 4.
Close to the exterior material end faces 11 on both sides,
Has a good appearance and is closed in a closed state. In addition, a sealing material 8 is pre-filled in the fitting groove 2 of the base joint 3 at a factory or the like. In order to prevent the sealing material 8 from drying and hardening and careless outflow, FIG. As shown, fitting groove 2
Sheet-like cover members 10 are attached to the outer surface portions of both side wall portions 1 on both sides and the groove opening portions of the fitting groove 2 respectively. The cover material 10 is used at the construction site as shown in FIG.
As shown in FIG. 1, each of them is peeled off and removed.

Therefore, in the joint member according to the embodiment, when the top joint 7 is attached and connected to the base joint 3, the fitting convex piece 6 is inserted into the fitting concave groove 2, and the fitting recess is formed. The sealing material 8 filled in the groove 2 is pushed out of the fitting concave groove 2 through the openings 9 formed in the wall strips 1 on both sides and flows out, and the flowed sealing material 8 is separated into the joint space 4.
In this case, the gap between the base joint 3 and the exterior material 17 is closed and sealed, so that rainwater that has entered the back side of the top joint 7 is surely prevented from flowing to the back side of the exterior material 17.
In addition, the waterproofing process is easily performed together with the operation of inserting the fitting projection 6 into the fitting groove 2 and attaching and connecting the top joint 7 to the base joint 3, and the back surface of the exterior material 17 has an uneven surface. In this case, reliable waterproofness can be obtained, and frost damage and corrosion of the exterior material 17 can be prevented.

In the joint member of this embodiment, as shown in FIG. 2A, the sealing material 8 is previously filled in the fitting groove 2 at a factory or the like to simplify the on-site construction. At that time, a cover material for closing the groove opening of the fitting concave groove 2 and the opening 9 formed in the both wall strips 1 until construction is performed.
10 is provided to prevent the sealing material 8 from flowing out and drying and hardening, and as shown in FIG.
By removing 10, the sealing material 8 can be pushed out and flowed out without hindrance.

In the joint member of this embodiment, not only the cover piece 5 of the top joint 7 but also the tongue 12
Of the joint material is closely in contact with the end face 11 of the exterior material, so that the joint space 4 is closed twice, so that the waterproof property is improved and the leakage of the sealing material 8 from the joint space 4 is reliably prevented. Further, the sealing material 8 is efficiently extruded from the slot-shaped opening 9, and the extruded sealing material 8 is formed along the surface of the base joint 3 and the exterior material along the surface of the base joint 3.
The gas flows smoothly into the gap between the back surface of the sealing member 17 and the sealing member 8, and the gap is securely sealed by the sealing material 8. Further, the fitting convex piece 6 inserted and fitted into the fitting concave groove 2 is hard to be disengaged due to the huge locking portion 13 being locked by the locking convex pieces 14 on both sides. The part 13 allows a large amount of the sealing material 8 to flow out of the fitting groove 2.
The sealing material 8 is stopped by the locking projections 14 on both sides, and surely flows out of the openings 9 on both sides without overflowing from the groove opening of the fitting groove 2.

FIG. 3 shows an embodiment corresponding to all of the first to fifth aspects of the present invention. In the joint member of this embodiment, the joint member is formed at the groove opening of the fitting concave groove 2 and at both wall strips 1. A cover material 10 for closing the opening 9 to be formed is integrally formed with a substantially U-shaped material in cross section, and is attached to the outside of the wall streak portion 1 so as to be detachably attached. Work can be performed easily. Otherwise, the configuration is the same as in the above embodiment, and the same operation and effect as in the above embodiment are exerted.

[0021]

[Effect of the Invention] As described above, the eye according to the first aspect of the present invention
For the ground member, insert the fitting projection into the fitting
Simultaneous by attaching and joining the top joint to the ground joint
Is easily waterproofed, and the back of the exterior material is uneven.
Even if the rainwater
The wraparound is reliably prevented, and the exterior material freezes and breaks and corrodes.
Can be prevented beforehand .

In particular , in the joint member according to the first aspect of the present invention, the sealing material is filled in the fitting groove in advance before construction.
Simplifies on-site construction, and
The fitting projection is inserted and fitted into the groove,
Sealing material is the space between joints between the opening and the end surface of the exterior material
Pushed out to the outside of the wall strip on both sides of the fitting groove inside
This ensures that rainwater does not flow into the back of the exterior material
Re that.

In the joint member according to the second aspect of the present invention, in particular, it is possible to simplify the on-site construction by filling the sealing groove in the fitting groove in advance, and to reduce the time required for construction. A cover material can be attached to prevent the sealing material from flowing out and hardening, and the sealing material can be removed at the time of construction so that the sealing material can be pushed out without any trouble.

In the joint member according to the third aspect of the present invention, the inter-joint space is particularly closed by the cover piece and the tongue piece of the top joint, so that the waterproof property is improved. Leakage of the sealing material from the joint-to-joint space is reliably prevented.

In the joint member according to the fourth aspect of the present invention, in particular, the sealing material efficiently extruded from the slot-shaped opening is inserted along the surface of the base joint into the gap behind the end of the exterior material. Flows smoothly, and the gap is reliably sealed by the sealing material.

In the joint member according to the fifth aspect of the present invention, the fitting convex piece inserted and fitted into the fitting groove is prevented from coming off, and moreover, a large amount of sealing material is provided by the huge locking portion. At this time, the sealing material is blocked by the locking projections on both sides, and surely flows out from the openings on both sides without overflowing from the groove opening of the fitting groove.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a joint state of a joint member according to an embodiment of the present invention.

FIGS. 2A and 2B are exploded perspective views each showing a process of applying the same joint member.

FIG. 3 is an exploded perspective view of a joint member according to another embodiment in a construction process.

FIG. 4 is a cross-sectional view showing a state of construction of a joint member according to a conventional example .

[Explanation of symbols]

1 wall strip portion 2 fitting groove 3 base joint 4 Joint Mass pace 5 cover pieces 6 Hamagototsuhen 7 top joint 8 sealing material 9 opening 10 the cover member 11 exterior material end face 12 tongue 13 large locking portion 14 Locking projection

────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-7-127223 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) E04B 1/68 E04F 13/08-13 / 18

Claims (5)

(57) [Claims] 1. A wall strip portion of two articles on the surface middle is formed between both walls streak portion is erected as a fitting groove Rutotomoni both sides thereof
A base joint, each exterior material is disposed fixed to the upper, the two
A joint member consisting of a top joint in which a fitting convex piece inserted and fitted into the fitting concave groove from a cover piece portion closing a space between joints between exterior material end faces is provided. Construction
And pre-sealing material is filled in front, by the fitting convex strip into the fitting recessed groove is fitted attached coupled inserted during construction, joints between space between the sealant outer package end surface
An joint member having openings formed on both sides of the fitting groove on both sides of the fitting groove to be pushed out of the wall grooves on both sides of the fitting groove in the base. 2. The joint according to claim 1, wherein a cover material for closing the groove opening of the fitting concave groove and the opening formed on both wall streaks is detachably provided outside the both wall streaks. Element. 3. The joint according to claim 1, wherein a tongue piece protruding in the middle of both side surfaces of the fitting convex piece is provided so as to be in close contact with an end surface of the exterior material arranged on both sides of the joint space. Element. 4. The joint member according to claim 1, wherein an opening is formed in a long hole shape along a base end edge of each of the wall portions. 5. A protruding engagement portion which is enlarged and protruded to both sides at a distal end portion of the fitting projection, and a locking projection for locking the huge locking portion from both sides is provided on both sides of the fitting groove. The joint member according to any one of claims 1 to 4, wherein the joint member protrudes from the inside of the strip tip.