JP2003336355A - Fixture for roofing material - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fixture for a roofing material, which can enhance water sealing performance. <P>SOLUTION: A fixture body 4 is formed by providing a head part 3 at the upper end of a driven-in part 2 for being driven into the roofing material 1. Packing 6 is mounted on the outer periphery of the driven-in part 2 in the state of securement of watertightness. A washer 5 is mounted on the periphery of the driven-in part 2 between the packing 6 and the head part 3. This fixture can make it hard for rainwater to intrude into a roof from between the driven-in part 2 and the packing 6. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fixture used for fixing a roofing material to a roof substrate.

[0002]

2. Description of the Related Art Conventionally, a fixing tool A'as shown in FIG. 6 has been used for fixing a roof material formed in a plate shape, a folded plate, a corrugated shape or the like to a roof substrate such as a purlin or a field board. ing. The fixture A'is formed by including a fixture body 4 ', a washer 5', and a packing 6 '.

The fixture body 4'is referred to as a tex or self-drilling screw, and comprises a substantially circular rod-shaped driving portion 2'and a head 3'provided at the upper end of the driving portion 2 '. It is what is formed. A screw portion 20 'is formed on the outer periphery of the lower half of the driving portion 2'.

The washer 5'is formed in a substantially disc shape, and the outer peripheral end 22 'of the washer 5'is bent toward the back surface over the entire circumference. Further, a mounting hole 21 'penetrating through the washer 5'is provided in the front and back.

The packing 6'is formed to have a substantially convex cross section, and a substantially circular protrusion 23 'in plan view is formed at a substantially central portion of the upper surface of the packing 6'and the packing 6'. An abutting portion 24 'is provided on the lower portion of the peripheral surface of the ′ so as to project over the entire circumference. The packing 6'is provided with an insertion hole 7'through which the substantially central portion thereof penetrates to the front and back. Therefore, the insertion hole 7'is formed so as to open in the lower surface of the packing 6'and the substantially central portion of the upper surface of the protrusion 23 '.

Then, in the fixture A ', the driving portion 2'of the fixing body 4'is inserted into the mounting hole 21' of the washer 5'from above and the driving portion 2'of the fixing body 4'is packed. ′
It is formed by inserting the washer 5'and the packing 6'into the driving-in portion 2'of the fixture body 4'inserted from above into the insertion hole 7 '.

The fixture A'as described above is used, for example, as shown in FIG. 9, for fixing the roof material 1 formed on a panel or the like. That is, the roof material 1 is placed on the roof substrate, and the driving portion 2'of the fixture body 4'of the fixture A'is driven into the roof material 1 and the roof substrate from the surface side of the roof material 1 and the packing 6 ' By bringing the back surface into close contact with the surface of the roof material 1, the roof material 1 can be attached and fixed to the roof substrate with the fixture A '. When the roof member 1 is thus fixed by the fixing tool A ', the washer 5'is located below the head 3'of the fixing tool body 4', as shown in FIG. Also, the packing 6'is located on the back side of the washer 5 ', the washer 5'is fitted over the packing 6', and the projection 23 'of the packing 6'is attached to the mounting hole 21' of the washer 5 '. Is inserted from below and is fitted. The back surface of the washer 5'is in close contact with the surface of the packing 6'and the washer 5'is
The peripheral end surface of the is in contact with the upper surface of the contact piece 24 'of the packing 6'. When the roofing material 1 is a roof panel having a cross section in which the ridges 44 and the valleys 46 are alternately repeated, the fixture main body 4'of the fixture A'is inserted from above the ridges 44. It is a thing. In addition, in FIG.
0 is the eaves trough, 41 is the eaves frame, 42 is the wrapping bag, 43
Is a building envelope, 45 is a beam, 47 is a main house, 48 is an outer wall, and 49 is a headstock.

[0008]

However, in the above-mentioned conventional fixture A ', a gap 25' is formed between the back surface of the head 3'of the fixture body 4'and the packing 6 '. ,
Moreover, the diameter of the insertion hole 7'of the packing 6'is formed to be larger than the outer diameter of the insertion portion 2'of the fixture body 4 ', and the peripheral surfaces of the insertion portion 2'and the insertion hole 7' (packing 6 ' A large gap (gap) 26 'is created between the roof 26 and the inner surface of the fixture, and therefore the roof 25', 26 'is provided from below the head 3'of the fixture body 4'. There is a problem that the waterproof performance is low because rainwater may enter (leak) inside.

Further, in the above-mentioned fixture A ', the washer 5'
Since the packing 6'and the packing 6'are formed separately and are easily separated from each other, the washer 5'is displaced from the packing 6'as shown in FIG. 8 (a). The lower surface of the head 3'of the fixture body 4'and the upper surface of the washer 5'may come into contact with and interfere with each other by riding on the protruding portion 23 'of the fixing body 23'. There is a problem that rainwater may infiltrate into the roof through 25 ', resulting in poor waterproof performance. In particular,
As shown in FIG. 8 (b), when the displacement of the washer 5'with respect to the packing 6'becomes large, the peripheral end portion (peripheral end face) of the washer 5'may come into contact with the surface of the roofing material 1 and interfere with it. There is a problem that rainwater may intrude also from this interference portion, resulting in further lowering of water stopping performance.

Further, in the above fixture A ', FIG. 8 (c)
As shown in FIG. 5, the fixture body 4'may not be driven straight in the vertical direction (for example, the fixture body 4'is tilted about 10 ° with respect to the vertical direction), and in this case also the fixture body 4 '. The lower surface of the head 3'of the vehicle and the upper surface of the washer 5'may come into contact with each other and interfere with each other. For this reason, rainwater may enter the roof through the gap 25 'from the interference portion. However, there was a problem that the water stopping performance was low.

Further, in the above fixture A ', packing 6'is used.
Is thin, it is easily affected by the unevenness of the roof base and the surface of the roofing material 1 and the insufficient driving of the fixture main body 4 ', and between the surface of the roofing material 1 and the back surface of the packing 6'. There was a problem that there was a gap and the water stopping performance was poor.
In addition, in FIGS. 7 and 8, the entry route of rainwater is indicated by an arrow.

The present invention has been made in view of the above points, and an object of the present invention is to provide a fixture for a roofing material, which can improve the waterproof performance.

[0013]

A fixture A for a roofing material according to claim 1 of the present invention comprises a fixture body 4 in which a head 3 is provided at the upper end of a driving-in portion 2 to be driven into the roofing material 1. Forming part 2
Attach the packing 6 to the outer periphery of the while ensuring watertightness,
A washer 5 is attached to the outer periphery of the driving part 2 between the packing 6 and the head 3, and rainwater enters the roof from between the driving part 2 and the packing 6. It is possible to make it harder and to improve the waterproof performance.

Fixture A for roofing material according to claim 2 of the present invention
In addition to claim 1, a support portion 8 which is interposed between the head portion 3 and the washer 5 and is in close contact with the head portion 3 and the washer 5 is integrally formed with the packing 6. Since the gap between the head 3 and the washer 5 can be closed by the support portion 8, it becomes difficult for rainwater to enter the roof from between the head 3 and the washer 5, and the waterproof performance is improved. Is something that can be raised. Further, by engaging the support portion 8 with the washer 5, it is possible to prevent the washer 5 and the packing 6 from being easily separated from each other, and it is difficult for the washer 5 and the packing 6 to be displaced from each other, so that the deterioration of the waterproof performance is prevented. Is something that can be done.

Fixture A for roofing material according to claim 3 of the present invention
In addition to claim 1 or 2, is characterized in that the outer peripheral end of the washer 5 is inclined substantially parallel or upward with the upper surface of the roof material 1, and the outer peripheral end of the washer 5 and the roof are inclined. It is possible to prevent contact between the upper surface of the member 1 and the upper surface of the member 1 so as to prevent interference between them, and to prevent deterioration of water blocking performance.

Fixture A for roofing material according to claim 4 of the present invention
Is an auxiliary packing 9 having a cushioning property between the packing 6 and the roof material 1 in addition to any one of claims 1 to 3.
The auxiliary packing 9 can be deformed to absorb the influence of unevenness of the roof base and the upper surface of the roof material 1 and the influence of insufficient driving of the fixture main body 4, Even if the thickness of the packing 6 is thin, it is difficult to form a gap between the lower surface of the packing 6 and the upper surface of the roof material 1, and it is possible to prevent deterioration of the waterproof performance.

[0017]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below.

The fixture A of the present invention is formed by including a fixture body 4, a washer 5 and a packing 6, as shown in FIG.

The fixture main body 4 is called a tex or a self-drilling screw, and is formed of a substantially circular rod-shaped driving portion 2 and a head 3 provided at the upper end of the driving portion 2. Is. A threaded portion 20 is formed on the outer peripheral surface of the lower half of the driving-in portion 2, and an outer peripheral surface of the substantially upper half of the driven-in portion 2 is formed as a smooth surface without screws. . The outer peripheral surface of the driving-in portion 2 immediately below the head portion 3 is formed as a smooth packing contact surface 35. Further, a projecting piece 30 is projectingly provided on the lower peripheral surface of the head 3 over the entire circumference, and a recess 31 is provided on the lower surface of the head 3 along the circumferential direction of the impacting part 2. There is. It is preferable that such a fixture main body 4 is formed of a metal material having high corrosion resistance such as stainless steel in consideration of corrosion resistance.

The washer 5 is formed in a substantially disk shape, and the outer peripheral end portion 22 of the washer 5 is bent toward the lower surface side and the outer side over the entire circumference to be formed in a substantially L-shaped cross section. There is. Therefore, the tip of the outer peripheral end portion 22 of the washer 5 is formed so as to be substantially parallel to the upper surface of the roof material 1 or inclined away from the upper surface of the roof material 1 when the roof material 1 is fixed by the fixture A. It is something. That is, the tip of the outer peripheral end portion 22 of the washer 5 is formed so as to be substantially horizontal or inclined upward. Further, a mounting hole 21 penetrating the front and back is provided at a substantially central portion of the washer 5. Such a washer 5 is preferably formed of a metal material having high corrosion resistance such as stainless steel in consideration of corrosion resistance and the like.

The packing 6 is formed in a substantially convex shape in cross section. A substantially circular support portion 8 is formed in a plan view at a substantially central portion of an upper surface of the packing 6, and a lower peripheral portion of the packing 6 is formed. A contact portion 24 is provided on the surface so as to project over the entire circumference. Further, the packing 6 is provided with an insertion hole 7 which vertically penetrates the substantially central portion thereof. Therefore, the insertion hole 7 is formed so as to open in the lower surface of the packing 6 and the substantially central portion of the upper surface of the support portion 8. Such packing 6 is made of ethylene propylene rubber (EPDM: ethylene propylene diene three-dimensional copolymer) or styrene butadiene rubber (SB
It can be formed of a synthetic rubber material such as R) or silicone rubber.

The washer 5 and the packing 6 are integrated so as not to be easily separated. That is, the washer 5 is fitted on the packing 6, and the support portion 8 of the packing 6 is inserted and fitted into the mounting hole 21 from the lower surface side of the washer 5 so as to project to the upper surface side of the washer 5. Further, the lower surface of the washer 5 is in close contact with the upper surface of the packing 6, and the outer peripheral end portion 22 of the washer 5 is in contact with the upper surface of the contact piece 24 of the packing 6. Then, the opening edge of the mounting hole 21 of the washer 5 bites (fits) into the support portion 8 over the entire circumference, whereby the opening edge portion of the mounting hole 21 is locked to the support portion 8. In this case, the washer 5 and the packing 6 are integrated so as not to be easily separated, and the washer 5 does not rattle or shift with respect to the packing 6.

The packing 6 is integrated with the washer 5 at the time of manufacturing the packing. The packing 6 is molded by a mold including an upper mold 50 and a lower mold 51, and the lower mold 51 is provided with a plurality of cavities 52.
Then, first, as shown in FIG. 2A, the above washer 5 is put into each cavity 52 of the lower mold 51. Next, FIG.
As shown in (b), the material 53 of the packing 6 is put into each cavity 52. The material 53 is a plate-like material such as a rubber cutting plate. Therefore, as shown in FIG.
The washer 5 and the material 53 are arranged inside in this order in a stacked state. After that, as shown in FIG. 2D, the material 53 is molded into the packing 6 by clamping the upper mold 50 and the lower mold 51 and press-molding them. At this time, the material 53 flows through the mounting hole 21 of the washer 5 into the supporting portion forming concave portion 52a of the cavity 52 by pressure, whereby the supporting portion locked to the opening edge portion of the mounting hole 21. 8 can be formed. After that, the mold is opened and the molded product is released from the mold. At this time, as shown in FIG.
As described above, since the burr 6a is formed around the packing 6, the burr 6a is removed. In this way, the integrally molded product of the washer 5 and the packing 6 can be formed as shown in FIG.

Then, the driving part 2 of the fixture body 4 is inserted into the insertion hole 7 of the packing 6 from above, and the washer 5 and the washer 5 are attached to the driving part 2 at a position higher than the screw part 20 (on the side of the head 3). By mounting the packing 6, the fixture A of the present invention
Can be formed. The diameter of the insertion hole 7 is formed to be slightly smaller than the outer diameter of the insertion portion 2, and when the insertion portion 2 is inserted into the insertion hole 7, the diameter of the insertion hole 7 is elastic at the insertion portion 2. The inner peripheral surface of the insertion hole 7 is in close contact with the packing contact surface 35 of the insertion part 2 without any gap.

The fixture A as described above is used for fixing the roof material 1 (roof panel) or other generally plate-like roof material 1 as shown in FIG. 9 in a conventional manner. That is, the roof material 1 is placed on a roof base such as a main house, a beam, or a roof plate, and the driving member 2 of the fixture body 4 of the fixture A is driven into the roof material 1 and the roof base from the upper surface side of the roof material 1. At the same time, the lower surface of the packing 6 is brought into close contact with the surface of the roof material 1, so that the roof material 1 can be attached and fixed to the roof base with a plurality of fixtures A. When the roofing material 1 is a roofing material (folded plate roofing material) having a cross section in which the mountain portions 44 and the valley portions 46 are alternately repeated, the fixture body 4 of the fixture A is inserted from above the mountain portion 44. It is what is done.

When fixing the roofing material 1 with the fixing tool A as described above, the fixing tool main body 4 is driven until the support portion 8 of the packing 6 is fitted into the recess 31 of the lower surface of the head 3. As a result, as shown in FIG. 3A, the supporting portion 8 is in close contact with the lower surface of the head portion 3 without a gap, and the supporting portion 8 is slightly crushed, so that the peripheral surface of the mounting hole 21 and the opening edge portion. It adheres without any gaps. Also, packing 6
The lower surface of the is adhered to the upper surface of the roofing material 1 without a gap by pressing the head 3.

In the fixture A of the present invention, the driving section 2
The peripheral surface of the insertion hole 7 is tightly adhered to the packing contact surface 35, which is the peripheral surface, of the insertion hole 7 to ensure watertightness. It is possible to prevent a gap from being formed between the roof 6 and 6, and it becomes difficult for rainwater to infiltrate into the roof from between the driving part 2 and the packing 6, so that the waterproof performance can be improved. . Further, by making the supporting portion 8 adhere to the lower surface of the head 3 and the upper surface of the washer 5, the gap between the head 3 and the washer 5 can be closed by the supporting portion 8, and the space between the head 3 and the washer 5 can be closed. Therefore, it becomes difficult for rainwater to infiltrate into the roof, and the waterproof performance can be improved. Further, by engaging the support portion 8 with the washer 5, it is possible to prevent the washer 5 and the packing 6 from being easily separated, and it is possible to prevent the washer 5 and the packing 6 from shifting. This allows
Interference between the washer 5 and the head 3 as shown in FIG. 8A and interference between the washer 5 and the upper surface of the roof material 1 as shown in FIG. Is what you can do. Moreover, the outer peripheral end portion 2 of the washer 5
Since the tip of 2 is formed so as to be substantially parallel to the upper surface of the roofing material 1 or inclined upward, the washer 5 and the upper surface of the roofing material 1 are less likely to interfere with each other, so that the waterproof performance is improved. The decrease can be further prevented. In addition, the roofing material 1 is often laid on a sloping roof substrate, and as shown in FIG. 3B, the fixture A is often inserted at an angle with respect to the vertical direction. Then, even if the fixture body 4 is driven with a slight inclination with respect to the vertical direction, the support portion 8 is interposed between the lower surface of the head 3 of the fixture body 4 and the upper surface of the washer 5. The head 3 and the washer 5 can be prevented from interfering with each other, and even if the fixing device main body 4 is driven with a slight inclination, the water stopping performance is not deteriorated.

FIG. 4 shows another embodiment. The fixture A is formed by further including an auxiliary packing 9 in addition to the fixture body 4, the washer 5 and the packing 6 described above, and other configurations are the same as those of the above-described embodiment. .

The auxiliary packing 9 is formed in a substantially disc shape, and is made of a synthetic rubber material which is softer than the packing 6 and has a cushioning property. For example, the above synthetic rubber material is foamed. Different materials can be used.

A through hole 33 penetrating the front and back is formed in the substantially central portion of the auxiliary packing 9. By inserting the fixture main body 4 into the through hole 33 from above,
The auxiliary packing 9 is attached to the driving-in portion 2 below the packing 6.

As in the case of the above-described embodiment, such a fixture A is driven by the fixture body 4 of the fixture A from the upper surface side of the roof material 1 placed on the roof substrate to the roof material 1 and the roof substrate. The roof member 1 is used by fixing the roof member 1 by fixing the roof member 1 in such a manner that the insertion member 2 is driven in. When the roof member 1 is fixed in this way, as shown in FIG. 6 and the upper surface of the roofing material 1 intervene and are pressed from above, so that the upper surface of the auxiliary packing 9 comes into close contact with the lower surface of the packing 6 and the auxiliary packing 9
The lower surface of the is closely attached to the surface of the roof material 1.

In this embodiment, the packing 6
Since the auxiliary packing 9 which is softer and has a cushioning property is used, the deformation of the auxiliary packing 9 can absorb the influence of the unevenness of the surface of the roof substrate or the roof material 1 and the influence of insufficient driving of the fixture body 4. Even if the packing 6 has a small thickness, it is possible to prevent a gap from being formed between the packing 6 and the roof material 1, and it is possible to prevent deterioration of the waterproof performance. In addition, as shown in FIG.
Even if the fixture body 4 is tilted and driven in, the support portion 8 is interposed between the lower surface of the head 3 of the fixture A and the upper surface of the washer 5 as in the above embodiment. It is possible to prevent the portion 3 and the washer 5 from interfering with each other, and prevent the water stop performance from being lowered even when the fixture body 4 is driven with a slight inclination.

[0033]

As described above, according to the invention of claim 1 of the present invention, the fixing tool main body is formed by providing the head at the upper end of the driving-in portion which is driven into the roofing material, and the fixing body is formed on the outer periphery of the driving-in portion. It is characterized in that the packing is attached while ensuring water tightness, and a washer is attached to the outer periphery of the driving part between the packing and the head, and the roof is inserted between the driving part and the packing. It is possible to make it difficult for rainwater to enter the inside, and to improve the waterproof performance.

Further, the invention according to claim 2 of the present invention is characterized in that a support portion which is interposed between the head portion and the washer and is brought into close contact with the head portion and the washer is integrally formed with the packing. Therefore, the gap between the head and the washer can be closed by the supporting portion, and it becomes difficult for rainwater to infiltrate into the roof from between the head and the washer, and the waterproof performance can be improved. It is a thing. Further, by engaging the support portion with the washer, the washer and the packing can be prevented from being easily separated from each other, and the washer and the packing are less likely to be displaced from each other, so that the deterioration of the waterproof performance can be prevented. .

Further, the invention of claim 3 of the present invention is characterized in that the outer peripheral end of the washer is inclined substantially parallel or upward with the upper surface of the roof material, and the outer peripheral end of the washer and the roof are inclined. It is possible to prevent the upper surface of the material from coming into contact with each other, thereby preventing the interference between the both, and preventing the deterioration of the waterproof performance.

The invention according to claim 4 of the present invention is characterized in that an auxiliary packing having a cushioning property is interposed between the packing and the roofing material, and a roof base or It is possible to absorb the influence of unevenness on the top surface of the roof material and the impact of insufficient driving of the fixture main body, and even if the packing thickness is thin, there should be no gap between the bottom surface of the packing and the top surface of the roof material. It is possible to prevent the deterioration of the waterproof performance.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is a schematic explanatory view showing a manufacturing process of the packing, which is the same as the above.

FIG. 3 shows a state of use in the above, and (a) and (b) are partial sectional views.

FIG. 4 is a perspective view showing another embodiment of the above.

FIG. 5 shows a state of use in the above, and (a) and (b) are partial sectional views.

FIG. 6 is a perspective view showing a conventional example.

FIG. 7 is a partial cross-sectional view showing a usage state of a conventional example.

FIG. 8 shows a problem of the conventional example, and (a) to (c) are partial cross-sectional views.

FIG. 9 is a perspective view showing a roof material fixing structure according to the present invention and a conventional example.

[Explanation of symbols]

1 roofing material 2 insertion section 3 heads 4 Fixture body 5 washers 6 packing 7 mounting holes 8 Support 9 Auxiliary packing A fixture

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Yasunobu Nagata             1-5-3 Shinsenrihigashi-cho, Toyonaka-shi, Osaka             Within Japan Power Fastening Co., Ltd. F-term (reference) 2E108 EE02 ER10 GG09

Claims (4)

[Claims] 1. A fixture main body is formed by providing a head at the upper end of a driving part to be driven into a roofing material, and a packing is attached to the outer periphery of the driving part while ensuring watertightness. A fixing member for roofing material, characterized in that a washer is attached to the outer periphery of the driving-in portion between the heads. 2. The fixing of the roofing material according to claim 1, wherein a support portion which is interposed between the head portion and the washer and is in close contact with the head portion and the washer is integrally formed with the packing. Ingredient 3. A fixture for a roofing material according to claim 1 or 2, wherein an outer peripheral end portion of the washer is formed so as to be substantially parallel or inclined upward with respect to an upper surface of the roofing material. 4. The fixing tool for roofing material according to claim 1, wherein an auxiliary packing having cushioning properties is interposed between the packing and the roofing material.