JP6455338B2 - Glass block and glass block panel - Google Patents

Description

  The present invention relates to a glass block in which a pair of glass molded bodies having a box shape with a bottom and no lid are welded and integrated with each other at an open end edge, and a glass block panel using the glass block.

  The glass block is widely used as a wall material excellent in heat insulation, sound insulation and translucency. Patent Document 1 below discloses a glass block in which a pair of glass molded bodies having a bottomed and uncovered box shape are fused and integrated with each other at their open edges. In the glass block of patent document 1, the recessed part which curved the outer surface and inner surface of the translucent surface inward was formed. The thickness of the recess becomes thinner as it approaches the bottom.

JP-A-9-279756

  The pressure in the glass block is usually about 0.3 atm and close to a vacuum. Here, when the atmospheric pressure is 1 atm, a pressure of about 0.7 atm is applied to the light transmitting surface of the glass block, and the light transmitting surface is pressed inward. In particular, when the translucent surface is flat, the translucent surface is deflected inward by the pressure, and a bending moment acts locally near the outer peripheral end of the translucent surface. As a result, tensile strain concentrates on the outer surface side of the outer peripheral end portion of the translucent surface, and the glass block may be damaged if there is any scratch at that location.

  On the other hand, when the recessed part which curved the outer surface and inner surface of the translucent surface inward was formed like the glass block of patent document 1, the heat insulation might become inadequate.

  An object of the present invention is to provide a glass block and a glass block panel using the glass block, which are excellent in heat insulating properties and hardly break.

  A glass block according to the present invention is a glass block in which a pair of glass molded bodies having a box shape with a bottomed and uncovered shape are integrated by welding at open edges of each other, and has a cavity inside, A first main wall portion having one translucent portion, and a second main wall portion facing the first main wall portion with the cavity therebetween and having a second translucent portion. The first and second light-transmitting portions each have an outer surface in contact with air and an inner surface facing the cavity, and in at least one of the first and second light-transmitting portions, The outer surface is flat, a concave portion is formed by bending the inner surface toward the outer surface side, and the thickness of the translucent portion increases from the outer peripheral end of the concave portion toward the central portion of the concave portion. It is characterized by being thinner.

  In the glass block according to the present invention, preferably, in the first and second light-transmitting portions, the outer surface is flat, and a recess is formed by bending the inner surface toward the outer surface. And the thickness of the said translucent part becomes thin as it goes to the center part of the said recessed part from the outer peripheral edge part of the said recessed part.

  In the glass block according to the present invention, preferably, the concave portion has a spherical shape.

  In the glass block according to the present invention, preferably, in at least one of the first and second light-transmitting portions, the ratio of the thickness at the outer peripheral end portion of the concave portion to the thickness at the central portion of the concave portion (central portion) In the range of 0.2 or more and 0.6 or less.

  The glass block according to the present invention further includes a side wall portion connecting the first and second main wall portions, and the side wall portion includes a side wall portion outer surface in contact with air and a side wall portion inner surface facing the cavity. A recess formed by curving the inner surface of the side wall toward the outer surface of the side wall, and the first and second main wall sides of the recess The thickness of the side wall portion may become thinner toward the center of the recess. Preferably, the inner surface of the side wall portion is inclined from the respective end edges of the concave portion on the first and second main wall side toward the central portion of the concave portion.

  The glass block panel according to the present invention is characterized in that a plurality of glass blocks configured according to the present invention are arranged in an aligned manner.

  ADVANTAGE OF THE INVENTION According to this invention, it is excellent in heat insulation and can provide a glass block which is hard to produce a damage.

It is a typical front view showing a glass block concerning one embodiment of the present invention. It is a typical side view showing the glass block concerning one embodiment of the present invention. It is typical side surface sectional drawing which follows the AA line in FIG. It is a typical front view showing a glass block panel using a glass block concerning one embodiment of the present invention.

  Hereinafter, preferred embodiments will be described. However, the following embodiments are merely examples, and the present invention is not limited to the following embodiments. Moreover, in each drawing, the member which has the substantially the same function may be referred with the same code | symbol.

(Glass block)
FIG. 1 is a schematic front view showing a glass block according to an embodiment of the present invention. FIG. 2 is a schematic side view showing a glass block according to an embodiment of the present invention. FIG. 3 is a schematic side cross-sectional view taken along line AA in FIG.

  A glass block 1 shown in FIGS. 1 to 3 is formed by welding and integrating a pair of glass molded bodies having a bottomed and uncovered box shape at their open edges. The glass block 1 has a cavity 7 inside. The pressure in the cavity 7 is lowered to about 0.3 atm.

  The glass block 1 has first and second main wall portions 2 and 3 and a side wall portion 4. The first and second main wall portions 2 and 3 are opposed to each other with a cavity 7 therebetween. The side wall part 4 connects the first and second main wall parts 2 and 3.

  The first main wall portion 2 includes a first light transmitting portion 5, a translucent portion 8, an inclined portion 9, and a frame portion 10. The first light transmitting portion 5 has an outer surface 5a and an inner surface 5b. The outer surface 5a is the surface of the first light transmitting portion 5 on the side in contact with the air. On the other hand, the inner surface 5 b is the surface on the side facing the cavity 7 of the first light transmitting portion 5.

  The outer surface 5a of the first light transmitting part 5 is flat. Further, the first light transmitting portion 5 is formed with a first recess 5c in which the inner surface 5b is curved toward the outer surface 5a. The first recess 5c is spherical. The thickness of the first light transmitting portion 5 decreases as it goes from the outer peripheral end portion 5d of the first concave portion 5c to the central portion 5e.

  As shown in FIG. 1, a translucent portion 8 is provided outside the outer peripheral edge of the first light transmitting portion 5. The translucent part 8 is frosted glass. A frame portion 10 is provided on the outer side of the translucent portion 8 with the inclined portion 9 therebetween. The inclined portion 9 is an inclined surface that is inclined toward the inner side of the glass block 1 in the direction from the frame portion 10 toward the translucent portion 8.

  The second main wall portion 3 has a second light transmitting portion 6. The second light transmitting portion 6 has an outer surface 6a and an inner surface 6b. The outer surface 6a is the surface of the second light transmitting portion 6 on the side in contact with air. On the other hand, the inner surface 6 b is a surface on the side facing the cavity 7 of the second light transmitting portion 6.

  The outer surface 6a of the 2nd translucent part 6 is flat. Further, the second light transmitting portion 6 is formed with a second concave portion 6c in which the inner surface 6b is curved toward the outer surface 6a. The second recess 6c is spherical. The thickness of the second light transmitting portion 6 decreases as it goes from the outer peripheral end 6d of the second recess 6c toward the central portion 6e.

  Although not shown in the present embodiment, the second main wall portion 3 also has a translucent portion outside the second light transmitting portion 6 in the same manner as the first main wall portion 2. 8, the inclined part 9 and the frame part 10 are provided.

  The side wall 4 has a side wall outer surface 4a and a side wall inner surface 4b. The side wall portion outer surface 4 a is a surface of the side wall portion 4 on the side in contact with air. On the other hand, the side wall portion inner surface 4 b is a surface on the side facing the cavity 7 of the side wall portion 4.

  The side wall portion outer surface 4a is flat. In addition, the side wall 4 is formed with a third recess 4c in which the side wall inner surface 4b is curved toward the side wall outer surface 4a. The side wall part 4 becomes thinner from the edge 4d of the third recess 4c toward the fusion part 4e, which is the center of the third recess 4c. More specifically, in the present embodiment, the side wall portion inner surface 4b is inclined from the end edge 4d of the third recess 4c toward the fused portion 4e. Therefore, the side wall portion inner surface 4b is an inclined surface that is inclined from the end edge 4d toward the fused portion 4e. In the present invention, the side wall portion 4 may not be provided with the third recess 4c, and the side wall portion inner surface 4b may be flat.

  Although it does not specifically limit as a material which comprises the glass block 1, For example, the glass etc. which added the fluoride and phosphate to the soda-lime glass, the borosilicate glass, or the borosilicate glass, and were whitened can be used. .

  In the glass block 1, the ratio of the thickness at the outer peripheral ends 5d and 6d to the thickness at the central portions 5e and 6e (thickness at the central portions 5e and 6e / thickness at the outer peripheral ends 5d and 6d) is 0.2 or more. It is preferably in the range of 0.6 or less.

  If the ratio is too large, the glass block 1 may not be sufficiently lightened. On the other hand, if the ratio is too small, the glass block 1 may be damaged.

  Moreover, in the glass block 1, the 1st and 2nd recessed parts 5c and 6c are spherical shape. However, the shape of the first and second recesses 5c and 6c may not be spherical, but is preferably a shape without corners in order to suppress stress concentration.

  Each of the first and second recesses 5c and 6c is preferably a true spherical surface having a radius of 200 to 1700 mm. When the said radius is more than the said minimum, the heat insulation of the glass block 1 mentioned later can be improved further. On the other hand, when the radius is equal to or less than the upper limit, the glass block 1 can be further prevented from being damaged.

  Moreover, in this invention, it is preferable that the side wall part inner surface 4b is an inclined surface in which angle (theta) shown in FIG. 3 inclines 2 degrees-10 degree | times. When the said angle (theta) is more than the said minimum, the heat insulation of the glass block 1 mentioned later can be improved further. On the other hand, when the angle θ is equal to or less than the upper limit, the glass block 1 can be further prevented from being damaged. In the present embodiment, the angle θ is an angle formed by a straight line parallel to the side wall portion outer surface 4a and the side wall portion inner surface 4b.

  In the glass block 1 according to the present embodiment, as described above, the first and second recesses 5c and 6c are provided on the inner surfaces 5b and 6b of the first and second light transmitting portions 5 and 6, respectively. . Therefore, the volume of the cavity 7 is larger than when the inner surfaces 5b and 6b are flat. Since the pressure in the cavity 7 is about 0.3 atm, which is close to a vacuum, the larger the volume of the cavity 7 is, the lower the thermal conductivity of the glass block 1 is. Therefore, in the glass block 1 in which the volume of the cavity 7 is large, the heat insulating property is enhanced.

  In addition, in the present embodiment, the third concave portion 4 c is formed also in the side wall portion 4. Therefore, the heat insulation of the glass block 1 is improved more effectively.

  Moreover, in this embodiment, the thickness of the 1st and 2nd translucent parts 5 and 6 becomes thin as it goes to the center parts 5e and 6e from the outer peripheral edge parts 5d and 6d, respectively. Therefore, the weight reduction of the glass block 1 can be achieved. Further, the glass block 1 is hardly damaged. This will be described in detail below.

  In the glass block 1, the pressure in the cavity 7 is about 0.3 atm. Therefore, if the atmospheric pressure is 1 atm, a pressure of about 0.7 atm is applied to the first and second light transmitting portions 5 and 6, and the first and second light transmitting portions 5 and 6 are hollow. It will be pressed to 7 side.

  As a result, the first and second light transmitting parts 5 and 6 are deflected toward the cavity 7 by the pressure, and a bending moment acts locally on the outer peripheral end parts 5d and 6d. Therefore, tensile strain concentrates on the outer surface 5a, 6a side at the outer peripheral ends 5d, 6d.

  However, in this embodiment, although the thickness is reduced toward the central portions 5e and 6e, the thickness at the outer peripheral end portions 5d and 6d is sufficiently secured. Therefore, in the glass block 1, the outer peripheral end portions 5d and 6d where the tensile strain is concentrated are hardly damaged. On the other hand, in the glass block 1, since thickness is reduced toward the center parts 5e and 6e, it can also reduce in weight. Therefore, in the glass block 1, damage can be suppressed, achieving weight reduction.

  In the present embodiment, the thickness of the side wall portion 4 also decreases from the end edge 4d of the third recess 4c toward the fused portion 4e. Therefore, in the glass block 1, damage can be more effectively suppressed while further reducing the weight.

  Furthermore, in this embodiment, since the thickness of the 1st and 2nd translucent parts 5 and 6 is respectively thinned toward the center parts 5e and 6e from the outer peripheral edge parts 5d and 6d, respectively, Sound insulation is difficult to decrease. Therefore, the glass block 1 is excellent also in the sound insulation in a high frequency range.

  Moreover, in the glass block 1, since the ground glass-like translucent part 8 is provided in the 1st and 2nd main wall parts 2 and 3, it is excellent also in the design property.

  In the present invention, it is only necessary that at least one of the first and second light transmitting portions 5 and 6 has the structure shown in the above embodiment. Even in that case, it is possible to obtain the same effects as those of the above-described embodiment.

  Although the manufacturing method of the glass block 1 is not specifically limited, For example, it can manufacture with the following method.

  First, molten glass is press-molded to produce two glass molded bodies having a bottomed and uncovered box shape. At this time, it press-molds using a metal mold | die with which a recessed part is formed in the inner surface of the bottom part of a glass molded object, and an outer surface becomes flat on the other hand. Further, as the mold, it is preferable to use a mold in which the thickness of the side wall portion of the glass molded body decreases from the bottom side toward the open end side.

  Next, the prepared pair of glass molded bodies is arranged so that the open end edges face each other, and each open end edge is heated and softened. Thereafter, both glass molded bodies are brought into contact with each other so that the open end edges are accurately overlapped to be integrated with each other. Thereby, the glass block 1 can be obtained.

  In addition, when the outer surfaces 5a and 6a in contact with the mold are convex or concave, distortion may occur when the outer surfaces 5a and 6a are removed from the mold. On the other hand, in this embodiment, the outer surfaces 5a and 6a in contact with the mold are flat. Therefore, in the glass block 1, it is hard to produce distortion when removing from the said metal mold | die. Therefore, the glass block 1 can be manufactured easily.

(Glass block panel)
FIG. 4 is a schematic front view showing a glass block panel using a glass block according to an embodiment of the present invention. As shown in FIG. 4, in the glass block panel 11, a plurality of glass blocks 1 are arranged and arranged at intervals. A mortar layer 12 filled with mortar and solidified is provided in the interval between the plurality of glass blocks 1.

  In the present embodiment, all of the glass blocks constituting the glass block panel 11 are the glass block 1. But in the glass block panel which concerns on this invention, at least one part should just be a glass block comprised according to this invention among several glass blocks.

  As the mortar, a mortar obtained by mixing cement and an aggregate such as sand in a ratio of about 1: 3, and adding and kneading water thereto can be used. Moreover, you may use the lightweight mortar which substituted 30 to 100weight% of the aggregate with the inorganic hollow body. The use of such mortar is preferable because the glass block panel can be further reduced in weight. As the inorganic hollow body, for example, a pearlite balloon can be used.

  The manufacturing method of the glass block panel 11 is not specifically limited. For example, it can be produced by the following method.

  First, a plurality of glass blocks 1 are arranged at intervals. Next, mortar is filled in the space between the glass blocks 1. Here, it is desirable to arrange reinforcing bars in advance in the interval between the glass blocks 1. Finally, the glass block panel 11 can be obtained by drying and curing.

  In the glass block panel 11 according to the present embodiment, since the plurality of glass blocks 1 are arranged and arranged, the heat insulation is excellent. Moreover, damage to the glass block panel 11 can be suppressed while reducing the weight of the glass block panel 11.

  By the way, in the glass block panel 11, the some glass block 1 is laminated | stacked. Here, the side wall part inner surface 4b of the glass block 1 inclines toward the melt | fusion part 4e from the edge 4d as mentioned above. Therefore, when the several glass block 1 is laminated | stacked, the stress concerning each glass block 1 will be disperse | distributed in the lamination direction. Therefore, the strength in the stacking direction of the glass block panels 11 can be increased.

  In the present invention, the side wall portion inner surface 4b of the glass block 1 may be flat. However, from the viewpoint of further increasing the strength in the stacking direction when stacked as the glass block panel 11, the side wall portion inner surface 4b of the glass block 1 is inclined from the edge 4d toward the fused portion 4e. preferable.

DESCRIPTION OF SYMBOLS 1 ... Glass block 2, 3 ... 1st, 2nd main wall part 4 ... Side wall part 5, 6 ... 1st, 2nd translucent part 4a ... Side wall part outer surface 4b ... Side wall part inner surface 4c ... 3rd Recess 4d ... Edge 4e ... Fusion part 5a, 6a ... Outer surface 5b, 6b ... Inner surface 5c, 6c ... 1st, 2nd recessed part 5d, 6d ... Outer peripheral edge 5e, 6e ... Center part 7 ... Cavity 8 ... translucent part 9 ... inclined part 10 ... frame part 11 ... glass block panel 12 ... mortar layer

Claims (7)

A pair of glass molded bodies having a box shape with a bottomed and uncovered, are glass blocks having a cavity inside, wherein the glass molded bodies are integrated by welding at the open edges of each other,
A first main wall portion having a first light transmitting portion;
The first main wall portion and the second main wall portion having a second light-transmitting portion that are opposed to each other with the cavity interposed therebetween,
The first and second light-transmitting portions each have an outer surface in contact with air and an inner surface facing the cavity;
In at least one of the first and second light-transmitting portions, the outer surface is flat, a recess is formed by bending the inner surface toward the outer surface, and an outer peripheral end of the recess The glass block in which the thickness of the translucent portion becomes thinner toward the center of the recess.   In each of the first and second light-transmitting portions, the outer surface is flat, a recess is formed by bending the inner surface toward the outer surface, and the outer peripheral end of the recess The glass block according to claim 1, wherein a thickness of the translucent portion is reduced toward a central portion of the concave portion.   The glass block according to claim 1, wherein the concave portion has a spherical shape.   In at least one of the first and second light transmitting portions, the ratio of the thickness at the outer peripheral end portion of the concave portion and the thickness at the central portion of the concave portion (thickness at the central portion / thickness at the outer peripheral end portion) is The glass block of any one of Claims 1-3 which exists in the range of 0.2 or more and 0.6 or less. A side wall connecting the first and second main walls;
The side wall portion has a side wall portion outer surface in contact with air, and a side wall portion inner surface facing the cavity,
In the side wall portion, a concave portion in which the inner surface of the side wall portion is curved toward the outer surface side of the side wall portion is formed, and from the respective end edges on the first and second main wall side of the concave portion, The glass block of any one of Claims 1-4 in which the thickness of the said side wall part is thin as it goes to a center part.   6. The glass block according to claim 5, wherein the inner surface of the side wall portion is inclined toward the center portion of the concave portion from each edge of the concave portion on the first and second main wall side.   A glass block panel in which a plurality of glass blocks according to any one of claims 1 to 6 are arranged and arranged.

Images