KR20100106650A - Soundproof panel using synthetic wood - Google Patents

Abstract

PURPOSE: A soundproof panel using synthetic wood is provided to be easily and freely cut and assembled in a construction site using extrusion-molded synthetic wood. CONSTITUTION: A soundproof panel(10) using synthetic wood comprises extruded forms(20), connection members, and panel frames. Each extruded form is composed of plastic resin and wooden flour and has a hollow. The connection members are inserted into the hollows of the extruded forms and connect the extruded forms. The panel frames form a module.

Description

Soundproof panel using synthetic wood

The present invention relates to soundproof panels applied to soundproof walls, and more particularly to soundproofed soundproof panels using synthetic wood.

Looking at the existing sound-proof soundproof walls, mainly made of polycarbonate (PC) or acrylic (PMMA) is used to secure the viewing rights. In addition, the soundproof wall may be composed of concrete extruded panels or blocks.

Existing soundproof sound barriers have no performance problems, but transparent sound barriers lose their transparency over time, making it impossible to secure the right of view.

In addition, the aluminum frame makes the frame of PC or PMMA, so the aluminum frame in the transverse direction can be seen to damage the overall design.

In the case of wood soundproof walls, there are problems of warping and splitting and rotting according to the change of season due to the nature of wood.

On the other hand, the existing soundproof walls are standardized to a certain standard, making construction easier on site construction. However, due to the nature of civil works, the distance between the H beams to erect the soundproof walls is not constant, and depending on the site conditions, when the specific distance (for example, the soundproof wall size is 500 mmW × 1960 mmL), the H beam gap is When it is not possible to erect the shoreline by 2 m (for example, when the space between the shores is more than 2 m or less than 2 m due to the civil engineering site), it is difficult to cope with the soundproof walls of a certain standard. In such a case, a new soundproof wall of special standard shall be manufactured or constructed by using temporary construction method.

Korean Patent Registration No. 861265 discloses a soundproof wall comprising a strut installed at a predetermined interval on an upper portion of a foundation structure, a fixed frame fixed to a front plate of the strut, and a soundproof plate fixed to the fixed frame.

Korean Patent Registration No. 373495 has a soundproof panel assembled to a frame formed in an H shape, wherein the soundproof panel includes a sound absorbing member, a front panel portion provided at the front of the sound absorbing member, and a first side panel closing both sides of the front panel portion. And a rear panel portion assembled to the rear of the front panel portion, an air layer formed between the rear panel portion and the sound absorbing member, second side panel portions formed on both sides of the rear panel portion, and a supporting member installed inside the rear panel portion. A soundproof panel is disclosed.

Japanese Patent Laid-Open No. 1997-291512 discloses a noise preventing wall structure in which a sound absorbing wood having a sound absorbing hole formed at a side surface and a connecting surface formed at both ends is provided between metal pillars.

Korean Utility Model Registration No. 281826 discloses a soundproof wall for soundproof walls, in which both ends are fitted to a post that is fixed to the road, the sound absorbing material is embedded therein, and a sound passage and a hole are formed on the front and rear exposed surfaces.

The soundproof plate of the prior art is made of synthetic resin, glass plate, natural wood, not a synthetic wood, in particular, simply laminated up and down without a separate connecting member, the composition of the connection member having a wing structure disclosed in the present invention, synthetic wood extrusion molded article Absorption structure for the change of length is not disclosed.

Korean Patent Registration No. 741737 forms a left and right compartment by integrally forming a partition wall having a U-shaped main body that forms an opening in the longitudinal direction on the front surface and a partition plate having a curved guide plate that forms a convex protrusion on the front surface inside the main body. However, there is disclosed a sound barrier wall panel formed by inserting a sound absorbing material into the left and right compartments, and forming the first and second resonance portions facing each other by an interference protrusion protruding from the inside of the guide plate between the guide plate and the sound absorbing material.

The soundproof panel of this patent is complicated in structure and open on one side, and in particular, is laminated and bonded to each other by the male and female coupling parts formed on the upper and lower parts of the main body without a separate connection member, the connection member configuration having a wing structure disclosed in the present invention However, there is no disclosure about an absorbent structure for changing the length of the synthetic wood extrusion.

The present invention has been made to solve the problems of the prior art, an object of the present invention is to easily and freely cut and assemble in the field by constructing a soundproof soundproof panel using synthetic wood that is extruded can easily cope with strut spacing To provide a soundproof panel.

It is another object of the present invention to provide a soundproof panel which is reliably configured with a sealing structure between each extruded article and a connecting member connecting the same so as to secure sound insulation performance (transmission loss).

Still another object of the present invention is to provide an eco-friendly soundproofing panel by utilizing the wood texture of synthetic wood to save the urban aesthetics and grafting eco-friendly materials.

Still another object of the present invention is to provide a soundproof panel that is easy to construct, long-term use, and can be installed at a time by constructing a single module of a predetermined size by combining multiple sheets of synthetic wood to be extruded. .

It is still another object of the present invention to provide a soundproofing soundproof panel configured to have an absorbent structure for length change (shrinkage or expansion) of a synthetic wood extrusion.

Still another object of the present invention is to provide a soundproof soundproof panel suitable for urban aesthetics by placing the frame constituting the module only at both ends so that the frame is embedded in the H beam support during construction of the soundproof panel.

In order to achieve the above object, the present invention provides an extrusion molded article having a hollow inside and having grooves at both ends thereof, a connecting member inserted into a groove of an extruded molded article, and a plurality of connecting members interconnected to each other, and a plurality of plates. Provided is a soundproof panel having a panel frame for structurally integrating an assembly composed of an extruded article and a connecting member.

The soundproof panel of the present invention comprises extrusion molding of a mixture of wood powder and plastic resin to form a soundproof wall body, and interconnects the extruded articles to form a soundproof panel of a predetermined size (horizontal x vertical) as an extruded product. And a panel frame (frame) for imparting structural stability.

In the present invention, the connecting member is composed of a structure capable of absorbing the change in length according to the surrounding environment (for example, temperature, precipitation, etc.) of the synthetic wood extruded article, and in the assembly of the panel frame, the extruded article as the main body is It is configured to absorb the change in length. The greater the absorption capacity against the change of length of the extruded part, the better. In addition, the fastening structure of the connection member is configured to have a complete sealing structure so that the noise is difficult to pass to improve the sound insulation performance. In addition, the panel frame is placed only at both ends of the soundproof panel so that the panel frame is embedded between the H beam posts during construction so that the panel frame is not lifted outwardly.

In the present invention, three types of connection member and panel frame may be used.

In the connecting member according to the first embodiment of the present invention, the connecting member is a cross-shaped member including an upper inserting member and a lower inserting member inserted into a groove of an extruded product, and a front absorbing member and a rear absorbing member vertically intersecting with the upper and lower inserting members. It has a structure, a plurality of insertion blades protruding obliquely toward the center is formed on both sides of the upper insertion member and the lower insertion member. These insertion blades facilitate insertion of the connecting member into the fastening groove of the extruded article and are not easily separated (removed). To this end, the thickness of the upper and lower insertion members excluding the insertion blade is 20 to 50% thinner than the thickness of the groove of the extruded article, and the thickness of the upper and lower insertion members including the insertion vanes is preferably 10 to 50% thicker than the thickness of the groove of the extrusion molded article.

The connecting member according to the second embodiment of the present invention has a cross-shaped structure, and a fastening jaw is formed on both sides of the upper inserting member and the lower inserting member. The fastening jaw also plays a role similar to that of the insertion blade. For this purpose, the thickness of the upper and lower insertion members excluding the fastening jaw is smaller than the groove thickness of the extruded article, and the thickness of the upper and lower insertion members including the fastening jaw is thicker than the groove thickness of the extrusion molded article. desirable.

At least one of the front absorbing member and the rear absorbing member of the connecting member according to the first and second embodiments of the present invention has a hollow structure therein, and due to the buffering action of the hollow structure, contraction or expansion of the extruded article is prevented. It can absorb.

The connecting member according to the third embodiment of the present invention has a straight structure composed of an upper inserting member and a lower inserting member inserted into a groove of an extruded article. It is preferable that the thickness of the upper inserting member and the lower inserting member is thicker than the groove thickness of the extruded article so as to be fastened in the form of mutual interference fit with the fastening groove of the extruded article.

In the connecting member according to the first to third embodiments of the present invention, the length of the upper inserting member and the lower inserting member is smaller than the groove depth of the extruded article, so that the upper inserting member and the lower inserting member are inserted into the groove of the extruded article. Preferably, a gap is formed afterwards. Accordingly, even after the extrusion molded products are fastened to each other by a connecting member, a gap may remain and thus have an absorption capacity against a change in length.

In the present invention, the connecting member may be made of rubber or aluminum, and when the connecting member is made of rubber, a reinforcing member is inserted into the upper inserting member and the lower inserting member to reinforce the structure.

In the present invention, the reinforcing member is formed of a ladder-type structure consisting of a plurality of bodies, joints connecting the bodies to each other, and a hollow portion formed between the body and the joint.

The panel frame according to the first embodiment of the present invention is composed of C-shaped steel or U-shaped shape.

The panel frame according to the second embodiment of the present invention has a main body having a U-shape and fastening protrusions formed at both ends of the main body and fastened to grooves of the extruded molded article.

The panel frame according to the third embodiment of the present invention has a main body having a U-shape, fastening protrusions formed at both ends of the main body and fastened to grooves of the extruded molded article, and step difference correction protrusions formed at both ends of the main body.

In the present invention, the fixing member is inserted into the edge hollow portion of the extruded article, and the panel frame and the fixing member are fastened by rivets or screws. In this case, a hole wider than the diameter of the rivet or the screw is formed in the panel frame and the extruded product, and a hole narrower than the diameter of the rivet or the screw is formed in the fixing member, so that the extruded product is fastened only by the tightening force of the panel frame and the fixing member. Accordingly, the extrusion molded article can be fixed while absorbing shrinkage or expansion of the extruded article.

In the present invention, the absorbent foam may be attached to the outer surface of the panel frame, and thus, when the absorbent foam is constructed by being embedded in the H beam support, the sealing between the H beam support and the soundproof panel may be strengthened to improve sound insulation performance.

In the present invention, the absorbent foam may be attached between the panel frame and the extruded article, and thus may be absorbed when the length of the extruded article is increased.

In the present invention, it is preferable that the panel frame is installed only at both ends of the extruded article assembly. Accordingly, the panel frame is embedded between the H beam posts during construction of the soundproof panel so that the panel frame is not lifted outwardly.

In the present invention, the thickness of the fastening protrusion is smaller than the groove thickness of the extruded article, so that a gap is formed even after the fastening protrusion is inserted into the groove of the extruded article, thereby absorbing the contraction or expansion of the extruded article.

Soundproof panel of the present invention can be effective when applied to the roadside, APT or around the school or fence in order to block the noise generated by the car on the road.

The soundproof panel of the present invention can be constructed by cutting to length in the field by using the advantages of the extruded article. For example, if the H beam strut is installed incorrectly and cannot maintain a certain distance (eg, it must be installed at 2 m, but at 1.8 m or 2.2 m), the existing standardized product is very difficult to install. Although difficult, the extruded article of the present invention can be easily coped. In addition, in order to have structural stability and sound insulation performance, each extruded product is constructed by connecting with a connecting member, so that it can be easily constructed at any site because it is configured to cope with any standard.

The soundproof panel of the present invention is connected by an interference fit between the extruded product and the connection member to secure a sealing structure without a gap between the fastening, so that the noise / vibration can not pass through the gap of the connection member can be improved sound insulation performance.

The soundproof panel of the present invention has a structure that absorbs the change in the length of the extruded article constituting the main body, thereby absorbing the change in the length of the molded article according to the environmental change after construction to prevent distortion or deformation of the soundproof panel, resulting in aesthetic problems. Enable long-term use without

Soundproof panel of the present invention is a weather-resistant and water-resistant using a synthetic wood, can feel the wood texture is suitable for urban aesthetics, eco-friendly by combining environmentally friendly materials.

Soundproof panel of the present invention by combining a plurality of synthetic wood extrusion molded products composed of a single module of a predetermined size can be built a certain area at a time and easy to construct.

The soundproof panel of the present invention comprises a panel frame only at both ends so that the panel frame is concealed in the H beam support during construction of the soundproof panel so as not to impair the aesthetics.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a front view of a soundproof wall to which the soundproof panel according to the present invention is applied, and the soundproof wall 1 is a foundation structure 2 made of concrete or the like placed on the ground, which is installed at regular intervals on the foundation structure 2 and has an H beam or the like. It is composed of a strut 3 composed of, and a soundproof panel 10.

Soundproof panel 10 of the present invention is made of a synthetic wood that is the main body, that is, an extruded molded article 20 made of plastic resin and wood powder, and the connecting members 30, 40, 50 connecting the extruded molded article 20, as a whole It is an integrated soundproof panel 10 composed of panel frames 60, 70, and 80 for making one module.

Figure 2 is a cross-sectional view of the synthetic wood extrusion molded article according to the present invention, the extrusion molded product 20 is a product of an extrusion molded into a rectangular plate-like body of a mixture of plastic resin and wood flour as a main body of the soundproof panel in one direction.

The material of the extruded article 20 is made of synthetic resin, wood flour, and other additives, and has excellent durability, water resistance, and weather resistance. As the synthetic resin, polyvinyl chloride (PVC), polypropylene (PP), polyethylene (PE) and the like may be used alone or in combination with each other. It is preferable to add 50% or more of wood flour. Weatherability can be increased by adding a weathering stabilizer as an additive.

As shown in FIG. 2, the extruded molded part 20 has a front wall 21 and a rear wall 22 that exhibit sound insulation performance, and ribs for reinforcing structural strength by connecting these walls 21 and 22 at regular intervals. (23), hollow hollows 24 surrounded by front and rear walls 21 and 22 and ribs 23, and fastening grooves 25 formed on both upper and lower ends and necessary for interconnection.

The thickness of the ribs 23 is preferably at least 3 mm to structurally secure the front wall 21 and the rear wall 22. Steps occur at the end of the fastening groove 25, and specifically, the second end 27 is lower than the first end 26. This is to correct this because the connecting member 30 has a hollow structure on only one side.

The front wall 21 and the rear wall 22 play a role of blocking the sound, and the thickness of the wall must be designed to satisfy the following double wall transmission loss equation. Therefore, it is preferable to design surface density to 6.8 kg / m <2> or more.

TL = 18log2mf-44

Where TL is transmission loss (dB), m is surface density (kg / m 2), and f is frequency (Hz).

3 is a cross-sectional view connecting the extruded article and the first connection member according to the present invention, wherein the first connection member 30 is inserted into each of the fastening grooves 25 of the adjacent extruded article 20, thereby extruding the molded article 20. Are fastened to each other.

As the material of the first connection member 30 and the other connection members 40 and 50, it is preferable to use a rubber-based material having elasticity, but is not limited to a specific material. Rubber is advantageous in terms of absorption performance and sound insulation against deformation of the extruded article, and aluminum is advantageous in terms of strength and durability.

4 is a cross-sectional view of the first connection member according to the present invention, wherein the first connection member 30 is inserted into the fastening groove 25 of the extruded article 20 and the lower insertion member 32. And a cross structure consisting of a front absorbing member 33 and a rear absorbing member 34 perpendicularly intersecting with the upper and lower inserting members 31 and 32.

The fastening grooves 25 of the upper inserting member 31, the lower inserting member 32, and the extruded molded product 20 are configured to be fastened to each other in an interference fit manner, whereby the fastening portions are hermetically sealed to each other and accordingly noise / vibration It does not penetrate through the gap and serves to enhance the sound insulation performance.

The front absorbing member 33 absorbs the length change of the extruded article 20 by using the elasticity of the material, and the hollow absorbing portion 36 is formed by forming the hollow absorbing portion 36 inside the rear absorbing member 34. Due to the buffering action of the extruded article 20 can absorb the shrinkage or expansion.

Both side surfaces of the upper insertion member 31 and the lower insertion member 32 are formed with a plurality of insertion blades 35 protruding obliquely toward the center, whereby the first connection member 30 is a fastening groove of the extruded article 20. It is easily inserted when fastened with (25) and is not easily separated (removed). At this time, the insertion blade 35 not only secures the fastening, but also has the elastic force serves to absorb the change in the length of the extruded article.

The thickness of the insertion members 31 and 32 except for the insertion blade 35 is preferably 20 to 50% thinner than the thickness of the fastening groove 25 for easy fastening, and the insertion member 31 including the insertion blade 35. The thickness of the 32 is preferably 10 to 50% thicker than the thickness of the fastening groove 25 to prevent the separation and detachment after the fastening with the fastening groove 25 of the extruded molded product 20 and to securely fasten it.

As such, the first connection member 30 interconnecting the extruded article 20 is preferably configured to have a structure capable of absorbing the change in length of the extruded article 20 that is the soundproof wall body.

The absorption capacity of the first connection member 30 to the length change of the extruded article 20 is preferably designed to absorb up to 1.0% as the length change rate. That is, it is preferable that each change amount in the direction of the length and the width has an absorption capacity for the change in length up to 1.0%. For example, it is preferable to design a structure that can absorb up to 1.5 mm when the width is 150 mm and up to 20 mm when the length is 2,000 mm.

5 is a plan view of the reinforcing member inserted into the first connecting member according to the present invention. When the first connecting member 30 is made of rubber, the reinforcing member is provided inside the upper inserting member 31 and the lower inserting member 32. By inserting 37, the structural strength of the upper and lower insertion members 31 and 32 can be reinforced.

The reinforcing member 37 for structural strength of the first connecting member 30 is a rectangular body 37a, a joint 37b connecting the plurality of bodies 37a to each other, and the body 37a to exhibit flexibility. ) And a ladder-shaped structure composed of a hollow portion 37c which is a space between the fitting portion 37b.

The body 37a may be made of a metal material such as iron. The joint part 37b is formed by melting and attaching the body 37a by heat or by melting and welding at high frequency, and the joint part 37b is preferably made of the same material as the body 37a, but the welding rod of different materials is used. It can be welded by using.

The hollow portion 37c allows the insertion members 31 and 32 of the first connection member 30 surrounding the body 37a to be bonded to each other when co-extrusion molding is performed. The parts 31 and 32 are prevented from falling from each other.

6 is a photograph connecting the extruded article and the first connection member according to the present invention.

7 is a cross-sectional view of the second connecting member according to the present invention, wherein the second connecting member 40 is inserted into the fastening groove 25 of the extruded article 20 similarly to the first connecting member 30. It consists of a cross-shaped structure composed of a member 41 and the lower inserting member 42 and the front absorbing member 43 and the rear absorbing member 44 vertically intersecting the upper and lower inserting members (41, 42).

On both sides of the upper and lower insertion members 41 and 42, a fastening jaw 45 is formed to protrude in order to prevent falling out during fastening. It is preferable that the thickness of the fastening jaw 45 is thicker than the space | interval of the fastening groove 25 of the extrusion molded product 20. That is, it is preferable that the structure is configured to be fastened by an interference fit to block the transmission of noise to the gap.

Similarly to the first connection member 30, the hollow absorbing portion 46 is formed inside the rear absorbent member 44 to absorb the change in length of the extruded article 20.

8 is a photograph connecting the extrusion molded article and the second connection member according to the present invention.

Figure 9 is a cross-sectional view of the third connecting member according to the present invention, the third connecting member 50 is a simple, straight, consisting of an upper insertion member and a lower insertion member is inserted into the fastening groove 25 of the extrusion molded article 20 Has a structure.

10 is a cross-sectional view connecting the extruded article and the third connection member according to the present invention, the length of the third connection member 50 is shorter than the value of the depth of the fastening groove 25 of the extruded article 20 multiplied by two. It is desirable to design so as to absorb the change in the widthwise length of the extruded article 20. That is, even after the extrusion molding products 20 are fastened to each other with the third connection member 50, the gap remains so that the absorbing ability to change the length is configured. This absorbing structure is the same for the first connection member 30 and the second connection member 40. In addition, the thickness of the third connecting member 50 is preferably thicker than the interval of the fastening groove 25 of the extrusion molded article 20 to be fastened by a forced fit.

11 is a photograph of a soundproof panel in which a panel mold and an extruded molded article according to the present invention are fixed by a fixing means. The soundproof panel 10 is a panel mold 60 in which a plurality of extruded articles 20 are integrated. 20 and the panel frame 60 is fixed by fixing means such as rivets or screws 90.

The panel molds 60, 70, and 80 are installed only at the edges of the extrusion molded product 20 assembly, so that the panel molds 60, 70, and 80 are inserted between the H beam struts 3 when the soundproof panel 10 is constructed. To be concealed, thereby preventing the appearance deterioration due to the exposure of the panel frame 60, 70, 80.

Panel frame (60, 70, 80) is a modularization of a number of extruded articles 20, consisting of a structure capable of absorbing the change in the length of the extruded article 20 constituting the body, three structurally distinct Types can be used, and will be described for each panel frame (60, 70, 80) below.

12 is a cross-sectional view of the soundproof panel to which the first panel frame according to the present invention is applied, and the first panel frame 60 is formed of general C-shaped steel or C-shaped steel.

An edge of the extruded article 20 is inserted into the first panel frame 60, and a second absorbent article 20 may be absorbed when the length of the extruded article 20 increases between the first panel frame 60 and the extruded article 20. The absorbent foam 111 is attached. The first absorbent foam 110 is attached to the outer surface of the first panel frame 60, which is embedded with the H beam support 3, when the first absorbent foam 110 is embedded and constructed. The sealing (sealing) between the soundproof panel 10 serves to improve the sound insulation performance. As the absorbent foams 110 and 111, foamed foams such as polyurethane (PU) foams may be used.

13 is a photograph of the fixing member applied to the extruded article according to the present invention, and uses the fixing member 100 to structurally fix the extruded article 20. Fixing member 100 is inserted into the edge hollow portion 24 of the extrusion molded article 20, as shown in Figure 13, the shape is configured in a U-shape to be fixed at both sides.

As shown in FIG. 12, the fastener 61 of the first panel mold 60 and the fastener 28 of the extruded molded product 20 are drilled wider than the diameter of the rivet or screw 90, which is a fastening tool, and extruded. Avoiding the molded article 20 is fixed directly, and the length of the extrusion molded article 20 is configured to be possible in the interior, the fastening member 101 to the fixing member 100 slightly narrower than the diameter of the rivet or screw 90 It is constructed so that the first panel frame 60 and the fixing member 100 are tightly tightened. By doing so, the extruded article 20 is not directly fixed, that is, the screw or rivet 90 does not bite directly into the extruded article 20, so that the extruded article 20 has a length within the first panel frame 60. It is fixed so as to be changeable, and structurally maintains the first panel frame 60 and the fixing member 100 at the tightening strength of the rivets or screws 90.

14 is a cross-sectional view of a second panel frame according to the present invention, the second panel frame 70 having a self-absorbing structure is formed by the body 71 formed in the U-shape and both ends thereof bent in the U-shape or formed by Al extrusion. It consists of both fastening protrusions 72. Both end fastening protrusions 72 protrude inwardly from both ends of the main body 71 to be fastened with the fastening grooves 25 of the extruded molded product 20. There is no structure in which the extruded molded article 20 can be freely changed in length.

FIG. 15 is a photograph in which an extruded article is assembled into a second panel mold according to the present invention, wherein three extruded articles 20 are modularized by a second panel mold 70 and are provided at both ends of the second panel mold 70. The formed fastening protrusion 72 is fastened with the fastening groove 25 of the extrusion molded product 20.

FIG. 16 is a cross-sectional view of the third panel frame according to the present invention. The third panel frame 80 having a self-locking structure and an absorbing structure has a main body 81 formed in a U shape similar to the second panel frame 70. T-shaped intermediate fastening protrusions 83 are also formed in the middle of the main body 81 so as to be fastened to both ends of the main body 81 formed at both ends of the fastening protrusions 82 formed therein. In this way, it is possible to more structurally hold the extrusion molded product 20 inside. In addition, by placing the step correction projections 84 protruding in the horizontal direction at both ends of the main body 81 to correct the step of the extruded product 20 to be the same height, the problem caused by the step at the time of assembling between soundproof panels Does not occur.

FIG. 17 is a cross-sectional view of an extruded article assembled into a third panel mold according to the present invention. The third panel mold 80 has a structure in which the extruded article 20 can be freely changed in length, as in the second panel mold 70. . Specifically, the thickness of the intermediate fastening protrusion 83 is smaller than the thickness of the fastening groove 25 of the extruded article 20, so that the gap even after the intermediate fastening protrusion 83 is inserted into the fastening groove 25 of the extruded article 20. By forming A, B, and C, the gaps A, B, and C can absorb the change in the widthwise length of the extruded article 20 even inside. The absorbent structure is the same for both the fastening protrusions 82 of the third panel mold 80 and the fastening protrusions 72 of the second panel mold 70.

Panel frame (60, 70, 80) in the present invention is characterized in that all have a structure that can freely change the length of the extrusion molded article 20, the length of the extrusion molded article 20 is increased depending on the climatic conditions By making the shrinkage structure absorbable, the soundproof panel can be used for a long time without deformation.

The sound insulation performance of the sound insulation panel of the present invention was measured by the KS F 2808: 2006 standard by the Disaster Prevention Testing Institute, and the sound insulation performance criteria of the soundproof wall performance and installation criteria according to the Ministry of Environment Notice No. 2002-184 Sound insulation performance of 25 dB at 500 Hz and 30 dB at 1,000 Hz was satisfied.

1 is a front view of a soundproof wall to which a soundproof panel according to the present invention is applied.

2 is a cross-sectional view of the synthetic wood extrusion molded article according to the present invention.

3 is a cross-sectional view connecting the extrusion molded article and the first connection member according to the present invention.

4 is a cross-sectional view of the first connection member according to the present invention.

5 is a plan view of the reinforcing member inserted into the first connection member according to the present invention.

6 is a photograph connecting the extruded article and the first connection member according to the present invention.

7 is a cross-sectional view of the second connecting member according to the present invention.

8 is a photograph connecting the extrusion molded article and the second connection member according to the present invention.

9 is a cross-sectional view of the third connecting member according to the present invention.

10 is a cross-sectional view connecting the extrusion molded article and the third connection member according to the present invention.

Figure 11 is a picture of the soundproof panel fixed to the panel frame and the extrusion molded article according to the present invention with a fixing means.

12 is an assembled cross-sectional view of the soundproof panel to which the first panel frame according to the present invention is applied.

Figure 13 is a photograph applying the fixing member to the extrusion molded article according to the present invention.

14 is a cross-sectional view of a second panel frame according to the present invention.

15 is a photograph of an assembly of an extrusion molded product with a second panel mold according to the present invention.

16 is a cross-sectional view of a third panel frame according to the present invention.

17 is a cross-sectional view of the extrusion molded product assembled into a third panel mold according to the present invention.

[Explanation of symbols on the main parts of the drawings]

1: soundproof wall

2: foundation structure

3: prop

10: soundproof panel

20: Extruded article

21: front wall

22: rear wall

23: Rib

24: hollow part

25: fastening groove

26: first end

27: second end

28: Fastener

30: first connecting member

31, 41: upper insertion member

32, 42: lower insertion member

33, 43: front absorbing member

34, 44: back absorbing member

35: insertion wing

36, 46: hollow absorption part

37: reinforcing member

37a: body

37b: seam

37c: hollow part

40: second connecting member

45: fastening jaw

50: third connection member

60: first panel frame

61: fastener

70: second panel frame

71, 81: main body

72, 82: fastening projections at both ends

80: third panel frame

83: intermediate fastening protrusion

84: step correction projection

90: rivet or screw

100: fixing member

101: fastener

110: first absorption foam

111: second absorption foam

Claims (23)

Extruded molded article having a hollow inside and grooves at both ends thereof as a plate material extruded from synthetic wood, A connecting member inserted into a groove of the extruded article and fastening the extruded article to each other; A soundproof panel having a panel frame for structurally integrating an assembly composed of a plurality of extruded articles and a connecting member. The method of claim 1, wherein the connecting member has a cross-shaped structure composed of an upper inserting member and a lower inserting member inserted into a groove of the extruded product, and a front absorbing member and a rear absorbing member vertically intersecting the upper and lower inserting members. Soundproof panel. The soundproof panel according to claim 2, wherein a plurality of insertion vanes protruding obliquely toward the center are formed at both sides of the upper inserting member and the lower inserting member. According to claim 3, wherein the thickness of the upper and lower insertion members excluding the insertion blade is 20 to 50% smaller than the groove thickness of the extruded article, the thickness of the upper and lower insertion members including the insertion blade is 10 to 50% thicker than the groove thickness of the extrusion molded article. A soundproof panel characterized by the above. The soundproof panel according to claim 2, wherein a fastening jaw of protruding shape is formed on both sides of the upper inserting member and the lower inserting member. The sound insulation panel according to claim 5, wherein the thickness of the upper and lower inserts excluding the fastening jaw is thinner than the groove thickness of the extruded article, and the thickness of the upper and lower inserts including the fastening jaw is thicker than the groove thickness of the extruded article. The soundproof panel according to claim 2, wherein at least one of the front absorbing member and the rear absorbing member has a hollow structure therein. The soundproof panel according to claim 1, wherein the connecting member has a straight structure formed of an upper inserting member and a lower inserting member inserted into a groove of the extruded article. The sound insulation panel according to claim 8, wherein the thickness of the upper inserting member and the lower inserting member is thicker than the groove thickness of the extruded article. The method according to any one of claims 2 to 9, wherein the length of the upper inserting member and the lower inserting member is smaller than the groove depth of the extruded article, so that a gap is formed even after the upper inserting member and the lower inserting member are inserted into the groove of the extruded article. Soundproof panel characterized in that. The soundproof panel according to any one of claims 2 to 9, wherein the connection member is made of rubber or aluminum. The soundproof panel according to claim 11, wherein the connection member is made of rubber and a reinforcing member is inserted into the upper inserting member and the lower inserting member. The soundproof panel according to claim 12, wherein the reinforcing member has a ladder-like structure consisting of a plurality of bodies, a joint part connecting the bodies to each other, and a hollow part formed between the body and the joint part. The soundproof panel according to claim 1, wherein the panel frame is made of C-shaped steel or C-shaped shape. The soundproof panel according to claim 1, wherein the panel frame has a main body having a U-shape and fastening protrusions formed at both ends of the main body and fastened to a groove of the extruded molded article. The soundproofing device according to claim 1, wherein the panel frame has a U-shaped main body, a fastening protrusion formed at both ends of the main body and fastened to a groove of the extruded article, and a step correction protrusion formed at both ends of the main body. panel. The soundproof panel according to any one of claims 14 to 16, wherein the fixing member is inserted into the edge hollow portion of the extruded article, and the panel frame and the fixing member are fastened by rivets or screws. 18. The soundproof panel according to claim 17, wherein the panel frame and the extruded product are formed with holes wider than the diameter of the rivets or screws, and the fixing members have holes narrower than the diameters of the rivets or screws. The soundproof panel according to claim 18, wherein the extruded article is fastened only by the tightening force of the panel frame and the fixing member. The soundproof panel according to claim 1, wherein an absorbent foam is attached to an outer surface of the panel frame. The soundproof panel according to claim 1, wherein an absorbent foam is attached between the panel mold and the extruded article. The sound insulation panel according to claim 1, wherein the panel mold is installed only at both ends of the extruded article assembly. The soundproof panel according to claim 15 or 16, wherein the thickness of the fastening protrusion is smaller than the groove thickness of the extruded article so that a gap is formed even after the fastening protrusion is inserted into the groove of the extruded article.

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