Soundproofing panels

Abstract

The present invention provides a panel that allows for the easy formation of vertical frames comprising an inner frame portion positioned between each horizontal frame and an outer frame portion positioned and fixed to the leading edge of each horizontal frame, without changing the width of the retaining groove that holds the edges of the panel. [Solution] The vertical frame of the frame has an inner frame portion with a retaining groove for inserting the end of the faceplate, and an outer frame portion that is formed separately and attached to the inner frame portion. The inner frame portion is positioned between each horizontal frame of the frame, and the outer frame portion is positioned on the leading side of the longitudinal end of each horizontal frame and fixed to the end. Since the inner frame is placed between each horizontal frame and the outer frame is positioned and fixed to the longitudinal end of each horizontal frame, the vertical and horizontal frames can be fixed together without inserting fixing members such as screws or bolts through the inner frame.

Description

Technical Field

[0001] The present invention relates to a panel that reduces noise by sound insulation, sound absorption, etc.

Background Art

[0002] As one of the panels for constructing fences, sound barriers, etc., there is a structure formed by attaching and holding a face plate inside a rectangular frame. This is provided to reduce noise, etc. by sound insulation by the face plate and sound absorption materials attached to the face plate, and various inventions have been proposed and published.

[0003] For example, in Patent Document 1, there is a panel erected between columns standing upright at intervals, which includes a rectangular plate body, an upper frame, a lower frame, and left and right vertical frames respectively arranged so as to surround the four sides of the plate body. Each of the vertical frames includes a first frame member arranged on one side in the width direction of the end of the plate body, a second frame member arranged on the other side in the width direction of the end, and a connecting frame member to which the first frame member and the second frame member are respectively fixed. An engaging portion is provided on at least one of the first frame member and the second frame member, and an engaging receiving portion capable of engaging with the engaging portion is provided on the connecting frame member. The configuration of the panel characterized by this has been proposed by the applicant of the present application.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] The panel shown in Patent Document 1 has a vertical frame composed of three frame members: a first frame member, a second frame member, and a connecting frame member. The first frame member and the second frame member, which are positioned on both sides of the end of the panel, are provided with engaging parts. By engaging these with the engaging receiving parts of the connecting frame member that fixes them, the frame member with the engaging part can be positioned at a predetermined location on the connecting frame member, thus facilitating the work of fixing the frame member to the connecting member.

[0006] This invention provides a panel that allows for the easy formation of vertical frames using a different configuration. [Means for solving the problem]

[0007] To achieve the above objective, the present invention has the following configuration. In other words, the panel according to the present invention comprises a frame body formed by a pair of horizontal frames arranged at intervals in the vertical direction and a pair of vertical frames arranged at intervals in the longitudinal direction, and a face panel attached to the inside of the frame body, wherein each vertical frame has an inner frame portion into which a retaining groove is formed into which the end of the face panel is inserted, and an outer frame portion formed separately and attached to the inner frame portion, wherein the inner frame portion is arranged between each of the horizontal frames, and the outer frame portion is arranged on the leading side of the longitudinal end of each horizontal frame and fixed to the end.

[0008] According to the panel of the present invention, a retaining groove is formed in the inner frame for inserting the end of the faceplate, so that when attaching the inner frame to the outer frame, the width of the retaining groove does not change, and a vertical frame can be formed to hold the faceplate. Furthermore, since the inner frame is positioned between each of the horizontal frames, and the outer frame is positioned on the leading side of the longitudinal end of each horizontal frame and fixed to the end, the vertical frame and the horizontal frame can be fixed without inserting fixing members such as screws or bolts through the inner frame.

[0009] Alternatively, two of the aforementioned faceplates may be arranged with a gap between them in the width direction, and two retaining grooves may be formed in the inner frame for inserting the ends of each of the faceplates.

[0010] Alternatively, an engaging portion may be formed on one of the inner frame portion and the outer frame portion, and an engaging receiving portion may be formed on the other, and the engaging portion and the engaging receiving portion may be engaged.

[0011] Alternatively, the ends of the inner frame may not be fixed to the horizontal frames, but the ends of the outer frame may be fixed to each horizontal frame.

[0012] Furthermore, gap-filling portions made of elastic members that protrude in the longitudinal direction may be formed on each of the vertical frames along substantially the entire length in the vertical direction.

[0013] Furthermore, in the portion that protrudes in the longitudinal direction, a narrow portion may be provided in the gap-filling portion in which the width in the width direction is smaller than the size of the protrusion in the longitudinal direction. [Effects of the Invention]

[0014] According to the panel of the present invention, vertical frames can be easily formed, which include an inner frame portion positioned between each horizontal frame and an outer frame portion positioned and fixed to the leading edge of each horizontal frame, without changing the size of the groove width of the retaining groove that holds the edge of the panel. [Brief explanation of the drawing]

[0015] [Figure 1] This is a front view showing one embodiment of the panel of the present invention. [Figure 2] This is a right side view of Figure 1. [Figure 3] Figure 1 is a plan view [Figure 4] This is a magnified view of a portion of Figure 3. [Figure 5] This is an enlarged view of a portion of the AA end face in Figure 1. [Figure 6] This is a front view of the upper frame of Figure 1. [Figure 7] This is a plan view of Figure 6. [Figure 8] This is a right side view of Figure 7. [Figure 9] This is an enlarged view of a portion of the BB end face in Figure 1. [Figure 10] This is a front view of the vertical frame in Figure 1. [Figure 11]It is a plan view of FIG. 10. [Figure 12] It is a view showing a state where the inner frame part, the outer frame part, and the gap filler of FIG. 11 are separated. [Figure 13] It is a front view showing a state where a horizontal frame is abutted against the end of the vertical frame of FIG. 10. [Figure 14] It is a plan view of FIG. 13. [Figure 15] It is a view showing a state where the vertical frame of FIG. 14 is fixed to the horizontal frame. [Figure 16] It is a perspective view showing an embodiment of a support column for attaching the sound insulation panel of FIG. 1. [Figure 17] It is a front view of FIG. 16. [Figure 18] It is a right side view of FIG. 16. [Figure 19] It is a plan view of FIG. 16. [Figure 20] It is a front view showing a state where the support column shown in FIG. 17 is installed on the installation surface. [Figure 21] It is a front view showing a state where a sound insulation member is attached to the support column of FIG. 20. [Figure 22] It is a front view of the sound insulation member of FIG. 21. [Figure 23] It is a right side view of FIG. 22. [Figure 24] It is a sectional view taken along the line A-A of FIG. 21. [Figure 25] It is a front view showing a state where the sound insulation panel of FIG. 1 is attached to the support column of FIG. 23. [Figure 26] It is a sectional view taken along the line A-A of FIG. 25. [Figure 27] It is a view taken in the direction of the arrow B-B of FIG. 25. [Figure 28] It is a view showing a state where a fixing member is attached between the support column and the sound insulation panel of FIG. 26.

Embodiments for Carrying Out the Invention

[0016] Embodiments of the present invention will be described based on the drawings. In the drawings, 1 is a sound insulation panel. In FIG. 1, the illustration of the through hole 11a described later is partially omitted to simplify the drawing. As shown in Figures 1 to 4, the soundproof panel 1 is formed in a rectangular box shape with a rectangular frame consisting of a horizontal frame 2 and a vertical frame 3, each having an upper frame 2A and a lower frame 2B, and two face panels (front panel 11 and back panel 12) placed inside this frame. Each vertical frame 3 is fitted with a gap-filling material 6, and a portion of the gap-filling material 6 protrudes longitudinally from the vertical frame 3, forming a gap-filling section that seals the gap between the soundproof panel 1 and the support column. In the following explanation, the left-right direction in Figure 1 will be referred to as the longitudinal direction, the up-down direction as the vertical direction, and the direction perpendicular to the longitudinal and vertical directions as the width direction.

[0017] Figure 5 is an enlarged view of a portion of the AA end face in Figure 1. Figure 5 is an enlarged view of the upper part of the soundproof panel 1. The soundproof panel 1 has sound-absorbing material 13 installed between the front panel 11 and the back panel 12, and is designed to attenuate noise entering the inside of the soundproof panel 1 through numerous circular through-holes 11a formed over almost the entire surface of the front panel 11. The back panel 12 is a sound-insulating panel and functions to block noise from the front panel 11 side. The front panel 11 and the back panel 12 are rectangular plate-like bodies formed from a composite material of metal and synthetic resin. Specifically, they are composite panels in which aluminum alloy plates are bonded to the entire surface of both sides of a synthetic resin plate. Furthermore, a sound-insulating auxiliary plate 14 made of plated steel sheet is attached to substantially the entire inner surface in the width direction of the back panel 12, thereby improving sound insulation performance.

[0018] The upper frame 2A is a long body formed from an extruded aluminum alloy profile, with the cross-section having the same shape along its entire length. The upper frame 2A is provided in a roughly rectangular cylindrical shape with a hollow portion 20 on the inside, and has grooves 21 that open inward in the vertical direction. Two grooves 21 are formed spaced apart in the width direction, and the end of the front plate 11 is inserted into one groove 21, and the end of the back plate 12 is inserted into the other groove 21 to attach them. In other words, each groove 21 functions as a retaining groove that holds the ends of the front plate 11 and the back plate 12.

[0019] Figure 6 is a front view of the upper frame 2A of Figure 1, Figure 7 is a top view of Figure 6, and Figure 8 is a right side view of Figure 7. The upper frame 2A is equipped with a trim piece 25, which is attached to the inside of the groove 21. An engagement groove 21a is formed on the inner surface near the opening edge of the groove 21, and an engagement projection 26 is formed on the trim piece 25 that corresponds to the shape of the engagement groove 21a. The trim piece 25 is attached to the inside of the groove 21 by inserting and engaging the engagement projection 26 into the engagement groove 21a.

[0020] The upper frame 2A has a screw groove 23 with an inner cross-sectional shape that is approximately circular. The screw groove 23 has a cross-sectional shape that is approximately C-shaped, and is provided at its longitudinal end to form a so-called screw hole into which the male threaded portion of the screw B2 can be screwed in from the outside. One screw groove 23 is formed near the base of each groove portion 21, and one screw groove 23 is formed on each of the trim pieces 25. In other words, when the trim pieces 25 are attached, a total of four screw grooves 23 are formed on the upper frame 2A.

[0021] Returning to Figure 5, by attaching the trim strip 25 so as to narrow the groove width near the opening of the groove 21, the movement of the front plate 11 and the back plate 12 in the width direction is restricted, vibration of the front plate 11 and the back plate 12 is suppressed, and detachment from the groove 21 is prevented. A retaining member R, made of a metal plate that protrudes in the width direction from the plate surface, is attached to the end of the front plate 11 which is inserted into the groove 21. This retaining member R abuts against the retaining edge 25, effectively preventing the front plate 11 from coming out of the groove 21. In addition, a retaining member (not shown), made of a rivet that penetrates the back plate 12, is attached to the end of the back plate 12 which is inserted into the groove 21, and prevents the back plate 12 from coming out of the groove 21 in the same way as the retaining member R. Furthermore, the lower frame 2B is formed to have the same cross-sectional shape as the upper frame 2A, but is positioned with its orientation reversed. The front panel 11 and the back panel 12 are attached in the same manner as the upper frame 2A shown in Figure 5.

[0022] Figure 9 is an enlarged view of a portion of the BB end face in Figure 1. Figure 9 shows an enlarged view of the area around the vertical frame 3 on the right side of Figure 1. The vertical frame 3 has an inner frame portion 4 and an outer frame portion 5, which are formed separately, and the inner frame portion 4, which is positioned on the inside in the longitudinal direction, and the outer frame portion 5, which is positioned on the outside, are integrated by engagement. The inner frame 4 and the outer frame 5 are elongated bodies formed from extruded aluminum alloy profiles, and each has the same cross-sectional shape along its entire length in the vertical direction.

[0023] Figure 10 is a front view of the vertical frame 3 in Figure 1, Figure 11 is a top view of Figure 10, and Figure 12 shows the inner frame 4, outer frame 5, and gap-filling material 6 of Figure 11 separated. Figure 10 shows the vertical frame 3 positioned on the right side in Figure 1. The inner frame portion 4 of the vertical frame 3 is formed in a roughly rectangular cylindrical shape with a hollow portion on the inside, and an engaging portion 43 that engages with the outer frame portion 5 is formed on the base portion 40 which constitutes the outer end in the longitudinal direction. The engaging portion 43 is provided with a ridge-like outer shape that protrudes outward in the longitudinal direction, and the protruding tip is formed to be wider than the base. Furthermore, the inner frame portion 4 has grooves 41 that open inward in the longitudinal direction, and two grooves 41 are arranged with a gap in the width direction. Each groove 41 is provided to function as a retaining groove for inserting and holding the ends of the front plate 11 and the back plate 12. Furthermore, the vertical frame 3 on the left side of Figure 1 is the same shape as the vertical frame 3 shown in Figures 10-12, but is positioned with its left and right orientation reversed, and has the front panel 11 and back panel 12 attached in the same way as the vertical frame 3 shown in Figure 9.

[0024] The outer frame portion 5 of the vertical frame 3 is formed in a roughly U-shape in cross-section, having a base portion 50 that constitutes the inner end in the longitudinal direction, and substantially flat extension portions 51 that extend outward in the longitudinal direction from both ends of the base portion 50 in the width direction, and a cylindrical portion 52 between each extension portion 51 in which the base portion 50 is part of the cylindrical wall. The base portion 50 has an engaging portion 53 that can engage with the engaging portion 43. The engaging portion 53 is provided in the shape of a recessed groove into which the engaging portion 43 can be inserted, and is formed in the shape of a bag groove, with the groove width near the opening being narrower than the width at the back. In other words, the bag groove-shaped engaging portion 53 functions as an engaging receiving portion that engages with the engaging portion 43 of the inner frame portion 4. The inner frame portion 4 is attached integrally to the outer frame portion 5 by inserting its engaging portion 43 into the inside of the engaging portion 53 of the outer frame portion 5 from its vertical end, and bringing the base portion 40 into contact with the base portion 50. Furthermore, since each groove 41 is formed in the inner frame 4 which is made of a single elongated body, when it is engaged and attached to the outer frame 5, the size of the groove width of each groove 21 does not change, and the spacing between each groove 41 does not change. Furthermore, although the vertical frame 3 has an engaging portion 43 of the inner frame portion 4 formed in a ridge shape and an engaging portion 53 of the outer frame portion 5 formed in a groove shape, the engaging portion 43 may be provided in a groove shape that functions as an engaging receiving portion, and the engaging portion 53 may be provided in a ridge shape that can engage with the engaging portion 43, or the engaging portion 43 and the engaging portion 53 may be formed in other shapes that function as an engaging portion and an engaging receiving portion.

[0025] The outer frame portion 5 has an engaging portion 56 formed at its longitudinally outer end. The engaging portion 56 is a recessed groove formed in the cylindrical portion 52, and is formed in a bag-like shape with a groove width that is narrower near the opening than at the back. The engaging portion 56 is also formed to have a screw insertion portion 56a with a substantially circular cross-section that constitutes a so-called screw hole into which the male threaded portion of the screw B1 can be screwed in from the outside of the vertical end at the opening.

[0026] The gap-filling material 6 is a long, elongated body made of an elastic material, specifically made of an olefin-based elastomer. The gap-filling material 6 has a cross-section that is the same shape along its entire length and includes an engaging portion 66 that can engage with the engaging portion 56, and a shielding portion 61 that extends longitudinally outward from the engaging portion 66. The engaging portion 66 is formed to have an outer shape corresponding to the inner shape of the engaging portion 56. By inserting it inward from the vertical end of the engaging portion 56 and engaging it, it is prevented from coming loose in the longitudinal direction and is attached to the outer frame portion 5. Furthermore, when the engaging portion 66 is engaged with the engaging portion 56, the male threaded portions of the screws B1 are screwed into the inside of the screw insertion portion 56a from both the outer and vertical sides, thereby restricting the vertical movement of the gap-filling material 6 and preventing it from coming loose from the outer frame portion 5.

[0027] The shielding portion 61 of the gap-filling material 6 is formed in the shape of a vertically elongated rectangular flat plate, and two of them are provided extending from the engaging portion 66. Specifically, in a plan view, the shielding portion 61 extending inclined toward one side in the width direction from the engaging portion 66 and the shielding portion 61 extending inclined toward the other side in the width direction are arranged in a roughly V-shape. Specifically, each of the shielding portions 61 is formed in a roughly rectangular flat plate shape with a thickness of 2 mm in the width direction and a projection of 30 mm in the longitudinal direction. Each shielding portion 61 is formed of a flexible refine-type elastomer, so it easily undergoes elastic deformation to bend significantly when subjected to external force. Although the material forming the gap-filling material 6 is made of an olefin-based elastomer, it is not limited to this, and other elastic materials such as thermoplastic resin elastomers other than polyolefins, thermosetting resin elastomers, natural rubber, and synthetic rubber can be selected or combined to suitably utilize. Each of the shielding portions 61 is provided to constitute the gap-closing portion.

[0028] As shown in Figure 10, the vertical frame 3 is formed with an outer frame portion 5 that is larger than the inner frame portion 4 in the vertical direction, and the ends 5a of the outer frame portion 5 are positioned to protrude above the upper end and below the lower end of the inner frame portion 4, respectively. Each horizontal frame 2 is fixed by abutting its end against the base portion 50 of each end 5a of the protruding outer frame portion 5. Figure 13 is a front view showing the horizontal frame 2 in contact with the end 5a of the vertical frame 3 in Figure 10, and Figure 14 is a plan view of Figure 13. In Figures 13, 14, and Figure 15 (described later), the front panel 11 and rear panel 12 are omitted from the drawings for simplification. In the vertical frame 3 shown in Figures 13 and 14, an inner frame portion 4 is positioned between the upper frame 2A and the lower frame 2B, which are horizontal frames 2. The base portions 50 of each end 5a of the outer frame portion 5 are in contact with the longitudinal ends of the upper frame 2A and the lower frame 2B. At this time, the longitudinal opening portions of the screw grooves 23 of the upper frame 2A and the lower frame 2B are in contact with the outer surface of the base portion 50.

[0029] Figure 15 shows the vertical frame 3 in Figure 14 fixed to the horizontal frame 2. The vertical frame 3 is fixed to the horizontal frame 2 by screws B2. Specifically, the male threaded portion of screw B2 is inserted into the base 50 from the longitudinal outside of the outer frame 5 and screwed into the inside of the screw groove 23 of the horizontal frame 2 to fix it in place. The soundproof panel 1 shown in Figure 1 is formed by inserting the ends of the front panel 11 and the back panel 12 into the grooves 21 of the horizontal frame 2 that surround them and into the grooves 41 of the inner frame 4 of the vertical frame 3, and then fixing the vertical frame 3 to the horizontal frame 2 in the manner shown in Figures 13 to 15.

[0030] In Figure 15, the vertical frame 3 has an inner frame portion 4 that holds the ends of the front panel 11 and the back panel 12, positioned between each horizontal frame 2. The end portion 5a of the outer frame portion 5 abuts against the longitudinal end of the horizontal frame 2, and is fixed to the horizontal frame 2 by a screw B2 inserted through the base portion 50 of the end portion 5a. Compared to the case where the inner frame portion 4 abuts against the longitudinal end of the horizontal frame 2, it is not necessary to insert the screw B2 through the inside of the inner frame portion 4, so the length of the male thread of the screw B2 can be made shorter. By shortening the length of the male thread in this way, the occurrence of problems such as breakage of the screw B2 can be reduced.

[0031] Since the vertical frame 3 integrates the inner frame portion 4 and the outer frame portion 5, which are formed separately, the configuration shown in Figure 10, in which the ends 5a of the outer frame portion 5 protrude from both sides of the inner frame portion 4 in the vertical direction, can be easily formed. In other words, if the inner frame portion 4 and the outer frame portion 5 were formed from a single elongated body, it would be necessary to cut off the ends of the inner frame portion 4 to form the vertical frame 3 as shown in Figure 10, which would be a heavy workload. Furthermore, since the inner frame portion 4 and the outer frame portion 5 are attached by the engagement of the engaging portion 43 and the engaging portion 53, the process of integrating the inner frame portion 4 and the outer frame portion 5 is easy.

[0032] In Figure 15, the vertical frame 3 is not directly fixed to the horizontal frame 2 by its inner frame portion 4, but rather connected to the horizontal frame 2 via the outer frame portion 5, which is engaged with the engaging portion 43. By attaching the inner frame portion 4 in this way, the process of fixing the vertical frame 3 to the horizontal frame 2 becomes easier compared to fixing the inner frame portion 4 to the horizontal frame 2.

[0033] As shown in Figure 15, the vertical frame 3 has two grooves 21 formed in the inner frame portion 4 into which the ends of the front plate 11 and the back plate 12 are inserted. This makes it easy to form a vertical frame 3 that firmly holds the two front plates and fixes the outer frame portion 5 to the longitudinal end of the horizontal frame 2.

[0034] Figure 16 is a perspective view showing one embodiment of the support column 7 to which the soundproof panel 1 of Figure 1 is attached, Figure 17 is a front view of Figure 16, Figure 18 is a right side view of Figure 16, and Figure 19 is a top view of Figure 16. The support column 7 has a base plate 79 that is installed on the installation surface G, and a column portion 70 that extends vertically upward from the base plate 79. The column portion 70 is formed in a roughly H-shape in cross-section, comprising a web portion 71 connected to the approximate center of the substrate 79, a first flange portion 72 connected to the front end of the web portion 71 in the width direction, and a second flange portion 73 connected to the rear end of the web portion 71 in the width direction. The second flange portion 73 is formed in a roughly rectangular flat plate shape and is positioned perpendicular to the substrate 79. The first flange portion 72 has a curved plate shape at its lower end, with the gap between it and the second flange portion 73 decreasing as it approaches the top, while near the top end, it is formed into a substantially flat plate shape with the gap between it and the second flange portion 73 being approximately the same size both vertically and horizontally. As shown in Figure 14, the first flange portion 72 is formed to have the same longitudinal size throughout its entire length from the upper end to the lower end, and similarly, the second flange portion 73 is formed to have the same longitudinal size as the first flange portion 72.

[0035] At the lower part of the support column 7, stepped portions 75 with a flat upper surface are formed on both sides in the longitudinal direction of the web portion 71. Each stepped portion 75 is formed in a substantially flat shape, protruding from the web portion 71 on both sides in the longitudinal direction, and its longitudinal size is the same as that of the second flange portion 73. Furthermore, the rear end of each stepped portion 75 is connected to the second flange portion 73. The upper surface of each stepped portion 75 is positioned parallel to the substrate 79, and is provided so that its upper surface is positioned parallel to the mounting surface G.

[0036] At the lower part of the support column 7, vertical plate sections 77 are formed on both sides of the web section 71. Each vertical plate portion 77 is formed in the shape of a rectangular flat plate with its surface oriented in the width direction, with its upper end positioned near the front end of the stepped portion 75 and its lower end connected to the substrate 79.

[0037] Each support column 7 has rectangular, flat contact portions 76 that protrude longitudinally on both sides of the web portion 71. Each contact portion 76 is arranged in a vertical plate shape with its plate surface facing the width direction, and is positioned parallel to the second flange portion 73. The distance between the plate surface of each contact portion 76 and the inner surface of the second flange portion 73 is formed to be larger than the width of the vertical frame 3 of the soundproof panel 1.

[0038] Figure 20 is a front view showing the support column 7 shown in Figure 17 installed on the installation surface G. As shown in Figure 20, each support column 7 is positioned at intervals corresponding to the longitudinal size of the soundproof panel 1, and the lower surface of the base plate 79 is in contact with the installation surface G, and it is fixed using anchor bolts (not shown) embedded and fixed in the installation surface G.

[0039] Figure 21 is a front view showing the sound-insulating member 8 attached to the support column 7 in Figure 20. The sound-insulating member 8 is installed to seal the gap between the soundproof panel 1, which is installed between the support columns 7, and the installation surface G, thereby preventing noise from passing from the front in the width direction to the rear.

[0040] Figure 22 is a front view of the sound-insulating member 8 shown in Figure 21, and Figure 23 is a right side view of Figure 22. The sound-insulating member 8 comprises a rectangular flat sound-insulating portion 82 arranged in a vertical plate shape with its lower end in contact with the installation surface G, and a rectangular flat base portion 81 extending backward in the width direction from the upper end of the sound-insulating portion 82. The base portion 81 also has a contact plate portion 81a extending upward at its rear end. The base portion 81 and the sound-insulating portion 82 are formed by bending a metal plate, specifically made of galvanized steel plate. At the lower end of the sound-insulating section 82, a long spacer 82a made of an elastic material with a rectangular cross-section is attached and installed along approximately its entire length in the longitudinal direction.

[0041] Figure 24 is a cross-sectional view of AA in Figure 21. The sound-insulating member 8 shown in Figures 21 and 24 has sound-insulating sections 82 positioned in front of the vertical plate sections 77 at both ends in the longitudinal direction, and its base 81 resting on the stepped sections 75 of each support column 7. The sound-insulating member 8's movement in the width direction is restricted by the contact of the sound-insulating sections 82 with the vertical plate sections 77. Furthermore, as shown in Figure 24, the gap between the sound-insulating part 82 and the installation surface G is sealed by an elastically deformable spacer 82a. The vertical plate-shaped spacer 82a, which is arranged in a vertical plate shape extending from the sound-insulating part 82, comes into contact with the installation surface G and bends significantly as a whole, and elastically deforms so that a part of its plate surface comes into contact with the installation surface G.

[0042] Figure 25 is a front view showing the soundproof panel 1 from Figure 1 attached to the support column 7 from Figure 23, and Figure 26 is a cross-sectional view AA of Figure 25. In Figure 26, the internal view of the soundproof panel 1 is omitted to simplify the drawing. In Figures 25 and 26, the soundproof panel 1 is installed between the support columns 7 by inserting each vertical frame 3 from above between the first flange portion 72 and the second flange portion 73, and placing the lower frame 2B on top of the stepped portion 75. The soundproof panel 1 attached to the support column 7 has its vertical frame 3 positioned between the first flange portion 72 and the second flange portion 73 at the top, thereby restricting movement in the width direction and preventing it from detaching from the support column 7. Furthermore, the soundproof panel 1 has its vertical frame 3 positioned between the contact portion 76 and the second flange portion 73 at the bottom, thereby restricting movement in the width direction and preventing it from detaching from the support column 7.

[0043] As shown in Figures 25 and 26, the sound-insulating member 8 has its base 81 sandwiched between the stepped portion 75 and the lower frame 2B of the soundproof panel 1, thereby restricting its movement. Furthermore, since the contact plate portion 81a of the sound-insulating member 8 is positioned behind the lower frame 2B, forward movement of the sound-insulating member 8 in the width direction can be prevented by contact between the contact plate portion 81a and the lower frame 2B. Furthermore, when the movement in the width direction to the rear is restricted by the contact between the sound insulation portion 82 and the vertical plate portion 77, the contact plate portion 81a of the sound insulation member 8 and the lower frame 2B come into contact, which is expected to have the effect of restricting the movement of the soundproof panel 1 to the rear in the width direction.

[0044] Figure 27 is a view taken along arrow BB in Figure 25. When attached to the support column 7, the gap-filling material 6 of the soundproof panel 1 is positioned to fill the gap between the outer frame portion 5 and the web portion 71 of the vertical frame 3. The gap-filling material 6 is designed so that each flat shielding portion 61 protruding in the longitudinal direction deforms significantly, and a part of its surface comes into contact with the surface of the web portion 71. By forming the gap-filling material 6 in this manner, even if errors occur in the spacing between each support column 7 or misalignment of the soundproofing panel 1 during construction, causing fluctuations in the distance between the web portion 71 and the vertical frame 3, the shielding portion 61 can deform to flex in the width direction, thereby sealing the gap between the web portion 71 and the vertical frame 3.

[0045] The gap-filling material 6 is preferable because, as shown in Figure 24, each shielding portion 61 can be easily deformed to bend in the width direction, with a projection of 30 mm in the longitudinal direction of the shielding portion 61 and a thickness of 2 mm in the width direction. The thickness of each shielding portion 61 is preferably 1% to 25% of the projection in the longitudinal direction, and more preferably 1% to 15%, in order to allow it to be easily deformed to bend in the width direction.

[0046] In the gap-filling material 6 of the soundproof panel 1, each shielding portion 61 that deforms to flex in the width direction is positioned between the first flange portion 72 and the second flange portion 73 of the support column 7. Therefore, strong winds from the width direction are blocked by the flange portions 72 and 73, preventing each shielding portion 61 from being directly hit, thus suppressing deformation of the shielding portion 61 due to wind, and allowing for a stable noise shielding effect from the shielding portion 61.

[0047] Figure 28 shows the state in which the fixing member F is attached between the support column 7 and the soundproof panel 1 in Figure 26. The fixing member F is a spring member, positioned between the vertical frame 3 and the second flange portion 73, with a portion of it in contact with the upper surface of the upper frame 2A. The upper end of the vertical frame 3 of the soundproof panel 1, which is biased by the fixing member F to move away from the second flange portion 73, is strongly pressed against the inner surface of the first flange portion 72, thereby suppressing vibrations and rattling of the soundproof panel when it is subjected to strong winds or vibrations from vehicles passing nearby.

[0048] As shown in Figures 1-5, the soundproof panel 1 has an upper frame 2A and a lower frame 2B attached to the top and bottom of a back panel 12 that functions as a sound insulation panel. The ends of the outer frame portions 5 of each vertical frame 3 are positioned and fixed to the ends of the longitudinal ends of the upper frame 2A and lower frame 2B. This allows the gap-filling material 6 attached to the outer frame portion 5 to be placed along the entire length of the vertical direction from the top to the bottom of the soundproof panel 1. By providing the gap-filling material 6 in this way, the gap between the vertical frame 3 and the web portion 71 of the support column 7 that occurs on the longitudinal side of the soundproof panel 1 can be effectively sealed by the shielding portion 61 of the gap-filling material 6, improving the sound insulation performance of the soundproof panel.

[0049] Furthermore, as shown in Figures 9 to 12, the vertical frame 3 of the soundproof panel 1 comprises an inner frame portion 4 and an outer frame portion 5 which is larger in the vertical direction than the inner frame portion 4. The inner frame portion 4, which is attached to the edge of the back panel 12 that functions as a sound insulation panel, is positioned between the upper frame 2A and the lower frame 2B. The upper and lower ends of the outer frame portion 5, to which the gap-filling material 6 is attached, are positioned and fixed to the ends of the longitudinal ends of the upper frame 2A and the lower frame 2B. Thus, the four sides of the back panel 12 are firmly held by the upper frame 2A, the lower frame 2B and each inner frame portion 4, and the gap-filling material 6 attached to the outer frame portion 5 can be easily positioned to extend along the entire vertical length of the soundproof panel 1 from the upper frame 2A to the lower frame 2B.

[0050] The soundproof panel 1 according to the present invention is not limited to the above-described embodiment, and various modifications are possible without departing from the spirit of the present invention. For example, the soundproof panel 1 shown in Figures 1-5 has numerous through-holes 11a formed across almost the entire surface of the front panel 11, but it is not limited to this. The front panel 11 may not have through-holes 11a and may be provided to function as a sound insulation panel in the same way as the back panel 12.

[0051] Furthermore, although the soundproof panel 1 shown in Figures 1-5 has gap-sealing material 6 attached to the outer side in the longitudinal direction of the vertical frame 3, it is not limited to this, and it is not necessary to attach the gap-sealing material 6 to the vertical frame 3.

[0052] Furthermore, the gap-filling material 6 of the soundproof panel 1 is formed so that each shielding portion 61 has a flat outer shape, resulting in a narrow shape where the width (thickness) of each shielding portion 61 is smaller than the size of the protrusion, but it is not limited to this. The shielding portion 61 may be formed in another shape in which a narrow portion is part of the shielding portion 61, where the width (thickness) is smaller than the size of the protrusion in the longitudinal direction, so that the shielding portion 61 can be easily bent in the width direction. Furthermore, although the gap-filling material 6 is formed to have two shielding portions 61 protruding, it is not limited to this, and it may be provided with one shielding portion 61 protruding, or with three or more protruding portions. [Explanation of Symbols]

[0053] 1. Soundproofing panel 11 Front plate 12 Back plate 13 Sound-absorbing material 14. Soundproofing support board 2A Upper frame 2B Bottom frame 20 Hollow part 21 Groove 23 Screw groove 25. Folding 26 Engagement protrusion 3 Vertical frame 4. Inner frame section 40 base 41 Groove 43 Engagement part 5. Outer frame 50 base 51 Extension part 52 Cylindrical part 53 Engaging part 56 Engaging part 6. Gap-filling material 61 Shielding part 66 Engaging part 7 pillars 70 Column section 71 Web Department 72 First flange section 73 Second flange section 75 Step part 76 Contact part 77 Vertical board section 79 circuit boards 8. Sound insulation material F Fixing member

Claims

1. A panel comprising a frame formed by a pair of horizontal frames arranged at intervals in the vertical direction and a pair of vertical frames arranged at intervals in the longitudinal direction, and a face panel attached to the inside of the frame, Each of the aforementioned vertical frames has an inner frame portion in which a retaining groove is formed into which the end of the faceplate is inserted, and an outer frame portion which is formed separately and attached to the inner frame portion. A panel characterized in that the inner frame portion is positioned between each of the horizontal frames, and the outer frame portion is positioned on the leading side of the longitudinal end of each horizontal frame and fixed to the end.

2. The panel according to claim 1, characterized in that two of the aforementioned faceplates are arranged with a gap between them in the width direction, and the retaining grooves in the inner frame portion have two retaining grooves into which the ends of each of the aforementioned faceplates are inserted.

3. The panel according to claim 1, characterized in that an engaging portion is formed on one of the inner frame portion and the outer frame portion and an engaging receiving portion is formed on the other, and the engaging portion and the engaging receiving portion are engaged.

4. The panel according to claim 1, characterized in that the ends of the inner frame portion of the vertical frame are not fixed to the horizontal frame, and the ends of the outer frame are fixed to each horizontal frame.

5. The panel according to any one of claims 1 to 4, characterized in that each of the aforementioned vertical frames has a gap-filling portion made of an elastic member that protrudes in the longitudinal direction, extending over substantially the entire length in the vertical direction.

6. The panel according to claim 5, characterized in that the gap-filling portion has a narrow portion in the longitudinally protruding part where the width in the width direction is smaller than the length of the protrusion in the longitudinal direction.

Images