JP6896226B2 - Window glass with glazing channel - Google Patents

Description

The present invention relates to a glazing channel and a window glass with a glazing channel.

When attaching the window glass to the window frame, the glazing channel is attached to the peripheral edge of the window glass. In Patent Document 1, two layers are provided with a glazing channel including a hard resin portion having a U-shaped cross section having an opening and a soft resin portion integrally molded with the hard resin portion and provided at both ends of the opening of the hard resin portion. It is disclosed that it is attached to the double glazing of.

JP-A-2007-21524

The glazing channel is used to seal between the window glass and the window frame, as described above. In the conventional glazing channel, in order to stably maintain the performance of the window glass, the difference between the thickness of the window glass and the opening width of the window frame is 2 mm or more and 5 mm or less, that is, the distance between the window glass and the window frame is 1 mm or more 2 It is used on the assumption that it is 5.5 mm or less. However, if the difference between the thickness of the window glass and the opening width of the window frame becomes larger than this, there is a concern that it becomes difficult to stably hold the window glass on the window frame.

Further, in recent years, in order to improve heat insulation, sound insulation and the like, it has been studied to use a three-layer double glazing as a high-performance window glass. Since the thickness of the three-layered double glazing is thicker than the thickness of the two-layered double glazing, the window frame corresponding to the three-layered double glazing has a wide opening width.

Not only three-layered double glazing but also two-layered double glazing is attached to the window frame having a wide opening width. When two layers of double glazing are applied to a window frame with a wide opening width, the distance between the window glass and the window frame becomes large, and as described above, in the conventional glazing channel, the window glass is stably fixed to the window frame. There is a concern that it will be difficult to hold on.

The present invention has been made in view of such circumstances, and an object of the present invention is to provide a glazing channel capable of stably maintaining the performance of the window glass, and a window glass with a glazing channel.

According to one aspect of the present invention, a window glass with a glazing channel having a window glass and a glazing channel attached to a peripheral portion of the window glass when the window glass is attached to the window frame has a bottom surface portion and the above. It has a side wall portion erected from both edges of the bottom surface portion, and has a main body portion made of a hard member having a U-shaped cross section, and an obliquely upward direction from the upper portion of the side wall portion toward the main surface of the window glass. extending with a sealing part made of a soft member, the portion of the seal portion, have a support portion made of a hard member that extends obliquely upward toward the main surface of the glazing, the support portion is the seal portion The support portion does not protrude from the seal portion, and when the window glass with a glazing channel is attached to the window frame, the distance from the window frame to the inner surface of the side wall portion is the same. The ratio of the distances from the window frame to the main surface of the window glass is 3 or more .

According to the present invention, it is possible to provide a glazing channel capable of stably maintaining the performance of the window glass and a window glass with the glazing channel.

FIG. 1 is a schematic cross-sectional view of a window glass with a glazing channel according to the first embodiment. FIG. 2 is a schematic cross-sectional view of the window glass with a glazing channel according to the second embodiment.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. The present invention will be described by the following preferred embodiments. Changes can be made by many methods without departing from the scope of the present invention, and embodiments other than the embodiment can be used. Therefore, all modifications within the scope of the present invention are included in the claims.

<First Embodiment>
The first embodiment will be described with reference to FIG. FIG. 1 is a cross-sectional view of a window glass with a glazing channel. In the embodiment, a case where the glazing channel is attached to a window glass composed of two layers of double glazing will be described. The glazing channel according to the embodiment can be suitably attached to glass having fire protection performance, for example, wire-reinforced glass, or window glass such as double glazing.

As shown in FIG. 1, the window glass 10 with a glazing channel according to the embodiment has a double glazing 20 having two layers and a glazing channel 50 attached to a peripheral edge of the double glazing 20. Then, the window glass 10 with a glazing channel is attached to, for example, a groove 82 formed in the window frame 80. In FIG. 1, the alternate long and short dash line shows the state of the glazing channel 50 before being mounted on the double glazing 20.

As shown in FIG. 1, the double glazing 20 includes a spacer 26 that separates the first glass plate 22 and the second glass plate 24 from the first glass plate 22 and the second glass plate 24. To be equipped with. The hollow layer 28 is defined by the first glass plate 22, the second glass plate 24, and the spacer 26. Since the spacer 26 is arranged along the side edge of the inner main surface of the first glass plate 22 and the second glass plate 24, the distance between the first glass plate 22 and the second glass plate 24 is increased by the spacer 26. It is kept constant.

The first glass plate 22 and the second glass plate 24 are inorganic glass plates such as soda lime glass, aluminosilicate glass, aluminoborosilicate glass, and non-alkali glass.

The first glass plate 22 and the second glass plate 24 may be, for example, glass plates that have been subjected to a strengthening treatment such as a physical strengthening treatment or a chemical strengthening treatment. Further, the first glass plate 22 and the second glass plate 24 may be laminated glass in which a plurality of glass plates are bonded together.

A functional film for improving the function may be formed on the main surfaces of the first glass plate 22 and the second glass plate 24. Examples of the functional film formation include a low radiation film formation (Low-E film), an antifogging film, an antifouling film, and a water repellent film. The thickness of the first glass plate 22 and the second glass plate 24 is preferably in the range of, for example, 1 mm or more and 24 mm or less.

The inner main surface of the first glass plate 22 and the surface of the spacer 26 facing the inner main surface of the first glass plate 22 are adhered by the primary seal 30. Further, the inner main surface of the second glass plate 24 and the surface of the spacer 26 facing the inner main surface of the second glass plate 24 are adhered by the primary seal 30. Further, a concave groove is formed by the outside of the spacer 26 (opposite side of the hollow layer 28) and the first glass plate 22 and the second glass plate 24, and the concave groove is filled with the secondary seal 32. Glass. The secondary seal 32 is in contact with the primary seal 30. The hollow layer 28 is shielded from the outside air by the primary seal 30 and the secondary seal 32.

The spacer 26 is formed in a hollow shape and has a hollow portion. Vents 34 are provided at predetermined intervals on the inner surface (side of the hollow layer 28) of the spacer 26 along the longitudinal direction of the spacer 26 (the direction perpendicular to the paper surface). The ventilation hole 34 is formed so as to penetrate the hollow portion of the spacer 26. As a result, the hollow portion of the spacer 26 and the hollow layer 28 communicate with each other. Further, since the cavity of the spacer 26 is filled with a desiccant 36 such as granular zeolite, the gas in the hollow layer 28 is dried by the desiccant 36 through the ventilation holes 34.

The spacer 26 may be a metal spacer whose main material is aluminum, or a spacer whose main body is made of a hard resin and whose surface is coated with an aluminum sheet.

The primary seal 30 is preferably based on butyl rubber or polyisobutylene, which is not normally crosslinked, and contains a filler such as carbon black for the purpose of coloring and reinforcement. Since the primary seal 30 does not solidify and has only adhesiveness, the adhesion between the spacer 26 and the first glass plate 22 and the second glass plate 24 in the so-called double glazing is performed by the secondary seal 32. Secured.

The secondary seal 32 includes polysulfide (manufactured by Yokohama Rubber Co., Ltd .: product name: Hamatite SM9000), silicone (manufactured by Toray Dow Corning Co., Ltd .: product name: SE936), urethane (manufactured by Sanyulek Co., Ltd .: product name: SANYU IGS205). ) And the like, and those that have been appropriately modified to exhibit the adhesiveness of the first glass plate 22 and the second glass plate 24 are preferable.

The glazing channel 50 of the embodiment will be described. As shown in FIG. 1, the glazing channel 50 includes a main body portion 52 made of a hard member and a pair of sealing portions 54 made of a soft member integrally molded with the main body portion 52. The main body 52 includes a bottom surface 52A and a side wall 52B erected from both edges of the bottom surface 52A. Since the side wall portion 52B is erected with respect to the bottom surface portion 52A, the main body portion 52 has a structure having a U-shaped cross section that opens with respect to the peripheral edge portion of the double glazing 20. The U-shaped cross section may be substantially U-shaped. The bottom surface portion 52A and the side wall portion 52B are in a substantially orthogonal positional relationship.

The seal portion 54 extends obliquely upward from the upper portion of the side wall portion 52B toward the main surface of the double glazing 20. The seal portion 54 gradually separates from the bottom surface portion 52A as it separates from the side wall portion 52B. The pair of sealing portions 54 are separated from each other, and the distance thereof is smaller than the thickness of the double glazing 20. Therefore, when the glazing channel 50 is attached to the double glazing 20, the sealing portion 54 comes into contact with the outer main surfaces of the first glass plate 22 and the second glass plate 24. Since the seal portion 54 is made of a soft member, the pair of seal portions 54 press the double glazing 20 inward by the elastic force thereof. The pair of sealing portions 54 can hold the double glazing 20.

As shown in FIG. 1, the window frame 80 includes a groove 82 for accommodating the window glass 10 with a glazing channel, and a pair of claws 84 that engage with the glazing channel 50. The pair of claws 84 determines the opening width of the window frame 80. The inner tip of the claw portion 84 serves as a reference for measuring the distance from the window frame 80.

As shown in FIG. 1, the glazing channel 50 of the embodiment includes a support portion 56 that extends obliquely toward the main surface of the double glazing 20 made of a hard member in a part of the seal portion 54. A part of the seal portion 54 means a state in which the seal portion 54 and the support portion 56 are in contact with each other.

Next, the operation of the above configuration will be described. As shown in FIG. 1, the double glazing 20 is held from both main surface sides by the pair of sealing portions 54. In this state, for example, when pressure such as wind pressure is applied to any main surface of the double glazing 20, the double glazing 20 tries to move in the direction of the pressure and presses the seal portion 54 in the direction of the pressure. Since the seal portion 54 is made of a soft member, the seal portion 54 tries to be further deformed. On the other hand, the distance between the sealing portion 54 on the opposite side of the pressure direction and the double glazing 20 tends to increase, and there is a concern that the force of the sealing portion 54 to hold the double glazing 20 weakens.

In the embodiment, since the seal portion 54 includes a support portion 56 made of a hard member as a part thereof, the support portion 56 suppresses the deformation of the seal portion 54 against the pressing of the double glazing 20. To do. The support portion 56 can apply a repulsive force to the double glazing 20 to the seal portion 54. The pair of sealing portions 54 including the support portion 56 can stably hold the double glazing 20. Therefore, the performance of the window glass made of the double glazing 20 is stably maintained.

On the other hand, since the support portion 56 is provided in a direction extending diagonally upward toward the main surface of the double glazing 20, the support portion 56 is compared with the case where the support portion 56 is orthogonal to the main surface of the double glazing 20. The repulsive force applied to the seal portion 54 by the support portion 56 can be reduced. The flexibility of the seal portion 54 can be maintained. The flexibility of the sealing portion 54 facilitates mounting the glazing channel 50 on the double glazing 20. Therefore, the support portion 56 allows the seal portion 54 to have both flexibility and resilience.

In the embodiment, the support portion 56 is the surface of the seal portion 54 and is arranged on the side of the main body portion 52. This configuration provides an appearance in which the interface between the seal portion 54 and the support portion 56 is not exposed when installed as a window, and can improve the design.

In the embodiment, the support portion 56 is continuously provided on the side wall portion 52B of the main body portion 52. In this structure, the support portion 56 can be easily arranged on the seal portion 54.

When the ratio (B / A) of the distance B from the window frame 80 to the main surface of the double glazing 20 to the distance A from the window frame 80 to the inner surface of the side wall portion 52B is 3 or more, the support portion 56 is provided. Is preferable. When the ratio (B / A) is 3 or more, it means that the distance from the inner surface of the side wall portion 52B to the main surface of the double glazing 20 is increased. As this distance increases, the length of the seal portion 54 extending from the main body portion 52 to the main surface of the double glazing 20 increases. As the length of the seal portion 54 increases, the seal portion 54 tends to be deformed. It is more preferable to arrange the support portion 56 on the seal portion 54 in order to suppress deformation. The distance A from the window frame 80 to the inner surface of the side wall portion 52B means the distance from the inner tip of the claw portion 84 to the intersection of the straight line orthogonal to the inner tip of the claw portion 84 and the inner surface of the side wall portion 52B. When the side wall portion 52B is tilted, it means the longest distance.

Further, when the distance B from the window frame 80 to the main surface of the double glazing 20 is 3 mm or more, the length of the seal portion 54 becomes large, and the seal portion 54 is easily deformed. It is more preferable to arrange the support portion 56 in order to suppress deformation.

Further, when the ratio (B / C) of the distance B from the window frame 80 to the main surface of the double glazing 20 to the thickness C of the seal portion 54 is 1 or more, it is preferable to provide the support portion 56. The thickness C of the seal portion 54 means the thickness of the thickest portion of the seal portion 54. When the ratio (B / C) is 1 or more, it means that the thickness C of the sealing portion 54 is relatively thin with respect to the distance B to the main surface of the double glazing 20. When the thickness C of the seal portion 54 becomes relatively thin, the seal portion 54 is easily deformed. Therefore, it is more preferable to arrange the support portion 56 on the seal portion 54 in order to suppress the deformation.

The above-mentioned distances A and B mean the distances when the window glass 10 with a glazing channel is attached to the window frame 80.

In the embodiment, as shown in FIG. 1, preferably, the main body 52 includes a pair of tongue pieces 58 protruding from the side wall 52B and a pair of tongue pieces 60. The pair of tongue piece-shaped portions 58 are arranged above the pair of tongue piece-shaped portions 60 with reference to the bottom surface portion 52A.

The tongue piece 58 is composed of a hard member 58A and a soft member 58B. Similarly, the tongue piece 60 is composed of a hard member 60A and a soft member 60B. When the glazing channel 50 is attached to the double glazing 20, the soft member 58B and the soft member 60B are deformed, and the elastic force thereof presses the double glazing 20 inward. The pair of tongue piece-shaped portions 58 and the pair of tongue piece-shaped portions 60 can complement the sealing portion 54 and improve the holding force against the double glazing 20.

Further, since the tongue piece-shaped portion 58 includes the hard member 58A, the tongue piece-shaped portion 58 can have a repulsive force against the double glazing 20, and similarly, the tongue piece-shaped portion 60 includes the hard member 60A. The tongue piece 60 can have a repulsive force against the double glazing 20. Deformation of the tongue piece 58 and the tongue piece 60 can be suppressed.

The distance from the tip of the support portion 56 to the main surface of the double glazing 20, the distance from the tip of the hard member 58A to the main surface of the double glazing 20, and the distance from the tip of the hard member 60A to the main surface of the double glazing 20. The distances are preferably approximately equal. The seal portion 54, the tongue fragment 58, and the tongue fragment 60 can have similar flexibility and repulsive properties.

The hardness of the support portion 56, the hard member 58A, and the hard member 60A is preferably 90 degrees or more and 100 degrees or less. The hardness of the seal portion 54, the soft member 58B, and the soft member 60B is preferably 60 degrees or more and 80 degrees or less. The hardness is a value measured in accordance with JIS K6253 (2012).

The materials constituting the support portion 56, the hard member 58A, the hard member 60A, the seal portion 54, the soft member 58B, and the soft member 60B are polyvinyl chloride, ABS resin (acrylonitrile, butadiene, butadiene), and styrene (Styrene). ) Copolymerized synthetic resin), AES resin (acrylonitrile / ethylene-propylene-diene / styrene resin), CR (chloroprene rubber), EPDM (ethylene / propylene / diene rubber), SR (silicon rubber), and TPE (thermoplastic elastomer) Selected from the group consisting of.

In the case of polyvinyl chloride and TPE (thermoplastic elastomer), the hardness of the support portion 56, the hard member 58A, the hard member 60A, the seal portion 54, the soft member 58B, and the soft member 60B can be adjusted by blending a plasticizer. it can. By blending a plasticizer, the hardness can be reduced. Examples of the plasticizer include phthalates (DOP, DINP, DIDP, DUP), adipates, polyester plasticizers, epoxy plasticizers, trimellitic acid plasticizers, and phosphoric acid plasticizers. When the amount of polyvinyl chloride or TPE is 100, the hardness can be reduced to 80 degrees or less by blending 60 or more and 80 or less of the plasticizer. Further, the hardness of the support portion 56, the hard member 58A, the hard member 60A, the seal portion 54, the soft member 58B, and the soft member 60B changes the molecular structure of the constituent material (for example, the molecular weight of the constituent material), and is rubber-based. In the case of a material, it can be adjusted by including mineral oil or the like.

<Second Embodiment>
The second embodiment will be described with reference to FIG. FIG. 2 is a cross-sectional view of a window glass with a glazing channel. A detailed description may be omitted by assigning the same reference numerals to the same configurations as those in the first embodiment described above.

As shown in FIG. 2, the window glass 10 with a glazing channel according to the embodiment has a double glazing 20 having two layers and a glazing channel 50 attached to a peripheral edge of the double glazing 20. Then, the window glass 10 with a glazing channel is attached to, for example, a groove 82 formed in the window frame 80.

The glazing channel 50 of the second embodiment and the glazing channel 50 of the first embodiment have different positions of the support portion 56 arranged in a part of the seal portion 54.

As shown in FIG. 2, the support portion 56 is the surface of the seal portion 54 and is arranged on the side opposite to the main body portion 52.

In this configuration, the support portion 56 is exposed when installed as a window. The exposed support portion 56 can improve the water repellency and antifouling property of the seal portion 54.

10 ... Window glass with glazing channel, 20 ... Double glazing, 22 ... First glass plate, 24 ... Second glass plate, 26 ... Spacer, 28 ... Hollow layer , 30 ... Primary seal, 32 ... Secondary seal, 34 ... Vent, 36 ... Drying agent, 50 ... Glazing channel, 52 ... Main body, 52A ... Bottom , 52B ... Side wall, 54 ... Seal, 56 ... Support, 58 ... Tongue piece, 58A ... Hard member, 58B ... Soft member, 60 ... Tongue Flake part, 60A ... hard member, 60B ... soft member, 80 ... window frame, 82 ... groove part, 84 ... claw part

Claims (9)

And the window glass, when mounting the window glass to the window frame, a glazing channeled glazing having a glazing channel which is attached to the periphery of the window glass,
The glazing channel has a bottom surface portion and a side wall portion erected from both edges of the bottom surface portion, and has a main body portion made of a hard member having a U-shaped cross section.
A seal portion made of a soft member extending diagonally upward from the upper portion of the side wall portion toward the main surface of the window glass is provided.
Some of the seal portion, have a support portion made of a hard member that extends obliquely upward toward the main surface of the window glass,
The support portion is the surface of the seal portion, and the support portion does not protrude from the seal portion.
When the window glass with a glazing channel is attached to the window frame, the ratio of the distance from the window frame to the main surface of the window glass to the distance from the window frame to the inner surface of the side wall portion is 3 or more. Window glass with channels. Said support portion, glazing channeled glazing according to claim 1 disposed on the side of the front Stories body portion. It said support portion, glazing channeled glazing according to claim 1 which is arranged on a side opposite to a front Stories body portion. The glazing channel window glass with when attached to the window frame, glazing channeled window according to any one of claims 1 3 The distance to the main surface of the window glass is 3mm or more from the window frame Glass . Any one of claims 1 to 4 , wherein when the window glass with a glazing channel is attached to the window frame, the ratio of the distance from the window frame to the main surface of the window glass to the thickness of the seal portion is 1 or more. Window glass with glazing channel as described in the section. The glazing according to any one of claims 1 to 5 , further comprising a tongue piece-like portion composed of a hard member and a soft member, which is located on the side of the bottom surface portion from the seal portion and protrudes from the side wall portion. Window glass with channels. The hardness measured according to JIS K6253 (2012) of the soft member is 60 degrees or more and 80 degrees or less, and the hardness measured according to JIS K6253 (2012) of the hard member is 90 degrees or more and 100 degrees. The window glass with a glazing channel according to any one of claims 1 to 6 below. From claim 1, wherein the hard member is made of any material selected from the group consisting of polyvinyl chloride, ABS resin, AES resin, chloroprene rubber, ethylene / propylene / diene rubber, silicone rubber, and thermoplastic elastomer. The window glass with a glazing channel according to any one of 7. The window glass includes a first glass plate, a second glass plate, a spacer for separating the first glass plate and the second glass plate, the first glass plate, and the window glass. The window glass with a glazing channel according to any one of claims 1 to 8, which is a multi-layer glass having a hollow layer formed between the second glass plate and the glass plate.

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