Sound-absorbing foamed aluminum plate

Abstract

The utility model discloses a sound-absorbing foam aluminum plate which comprises a plate body, the plate body comprises a lower frame and an upper frame, a built-in cavity is arranged in the plate body, a sound-absorbing foam aluminum plate layer and a reinforcing layer are respectively arranged in the built-in cavity, and facing layers are arranged on the lower frame and the upper frame. A connecting block is fixedly connected to the top of the lower frame, a connecting groove is formed in the bottom of the upper frame, an inner groove is formed in the connecting position of the connecting block and the lower frame, a movable block is slidably connected into the inner groove, and a spring is connected between the inner wall of the inner groove and the outer surface of the movable block. According to the sound-absorbing foamed aluminum plate, the lower frame, the upper frame, the sound-absorbing foamed aluminum plate layer, the reinforcing layer, the facing layer and the like are arranged, so that a stable plate body structure can be formed through combination, the whole foamed aluminum plate has a good sound-absorbing effect and good structural stability, the structure is not prone to damage, and the sound-absorbing foamed aluminum plate is convenient to use. And the use stability and the durability are higher.

Description

Technical Field

[0001] The utility model relates to the technical field of building boards, in particular to a sound-absorbing foam aluminum board. Background Art

[0002] Sound-absorbing foam aluminum board is a new type of sound-absorbing material, mainly made of aluminum alloy foam, with low density, high specific strength, excellent sound absorption and sound insulation, energy absorption and buffering, flame retardancy and explosion resistance, etc. The foam aluminum sound-absorbing board has a porous structure, which can effectively reduce the sound, thereby achieving the effect of sound absorption and noise reduction. The foam aluminum sound-absorbing board is widely used in cutting-edge equipment fields such as military aerospace, rail transportation, and shipbuilding. It is also suitable for elevated light rail road sound barriers, cooling towers, heat pump units, unit sound insulation covers, as well as indoor swimming pools, gymnasiums, hospitals, food clean workshops, underground buildings and other sound-absorbing decorative places;

[0003] Some traditional sound-absorbing foam aluminum panels have a relatively simple panel structure. Although they can achieve a stable sound absorption and noise reduction effect, the overall panel structure is unstable and has low durability. The normal use period is short, and they are extremely easy to be damaged when subjected to external force. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a sound-absorbing foam aluminum plate.

[0005] The top of the frame is fixed with a toothed structure, and the bottom of the frame is fixed with a toothed structure, and the toothed structure is fixed with a toothed structure, and the toothed structure is fixed with a toothed structure.

[0006] As a further description of the above technical solution:

[0007] A positioning pin block is fixedly connected to the top of the lower frame, and a positioning pin slot is provided at the bottom of the upper frame. The positioning pin block and the positioning pin slot are nested and matched.

[0008] As a further description of the above technical solution:

[0009] The connecting block and the connecting groove are nested and matched, the locking block and the locking groove are nested and matched, and one side of the top of the locking block is arranged in an inclined surface.

[0010] As a further description of the above technical solution:

[0011] A communication groove is provided between the operating recess and the inner groove, and the operating rod and the communication groove are nested and slidably matched.

[0012] As a further description of the above technical solution:

[0013] The inner groove, movable block, spring, locking block, locking groove, operating rod, and pull ring structure are provided in two groups and are located at the connecting block and the connecting groove on both sides respectively. The two pull rings are located in the same operating recess. There are two groups of connecting blocks and connecting groove structures and are located at the lower frame and the upper frame on both sides respectively.

[0014] As a further description of the above technical solution:

[0015] A positioning slot is provided at the joint position between the lower frame and the upper frame, a positioning block is nested in the positioning slot, and the mounting block is fixedly connected to the positioning block.

[0016] As a further description of the above technical solution:

[0017] There are four mounting blocks in total and they are located on both sides of the plate body near the two ends.

[0018] The utility model has the following beneficial effects:

[0019] The sound-absorbing foam aluminum plate can be combined to form a stable plate body structure through the arrangement of the lower frame, the upper frame, the sound-absorbing foam aluminum plate layer, the reinforcement layer, the finishing layer and other structures, which not only makes the entire foam aluminum plate have a good sound-absorbing effect, but also has good structural stability, the structure is not easily damaged, the service life of the sound-absorbing part can be extended, and the stability and durability of the entire plate are greatly enhanced; through the coordinated arrangement of the connecting block, the connecting groove, the locking block, the locking groove, the positioning pin block, the positioning pin groove and other structures, the upper and lower frame structures can be accurately and firmly docked and installed together to form a stable plate structure, and can also be easily disassembled. In this way, the sound-absorbing foam aluminum plate layer can be easily replaced after failure or damage by external force impact, thereby improving the flexibility and convenience of the structure, and the structure is simple to disassemble and assemble, and is convenient and quick to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of a sound-absorbing foam aluminum plate proposed in the utility model;

[0021] Figure 2 This is a front view of a sound-absorbing foam aluminum plate proposed by the utility model;

[0022] Figure 3 This is a front view of the structural position of the connection block of the sound-absorbing foam aluminum plate proposed by the utility model.

[0023] Legend:

[0024] 1. Plate body; 2. Lower frame; 3. Upper frame; 4. Built-in cavity; 5. Sound-absorbing foam aluminum plate layer; 6. Reinforcement layer; 7. Finishing layer; 8. Positioning pin block; 9. Positioning pin slot; 10. Connecting block; 11. Connecting slot; 12. Inner slot; 13. Movable block; 14. Spring; 15. Locking block; 16. Locking slot; 17. Operating notch; 18. Connecting slot; 19. Operating lever; 20. Pull ring; 21. Positioning slot; 22. Positioning block; 23. Mounting block; 24. Mounting hole. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed and operate in a specific direction. Therefore, they should not be understood as limiting the present invention. The terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. In addition, unless otherwise expressly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, they can be fixed connections, detachable connections, or integral connections; they can be mechanical connections or electrical connections; they can be direct connections, indirect connections through an intermediate medium, or internal connections between two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Reference Figure 1-3, the utility model provides an embodiment: a sound-absorbing foam aluminum plate, including a plate body 1, the plate body 1 includes a lower frame 2 and an upper frame 3, and a built-in cavity 4 is provided in the plate body 1, and a sound-absorbing foam aluminum plate layer 5 and a reinforcement layer 6 are respectively provided in the built-in cavity 4. The reinforcement layer 6 is in the form of a metal mesh plate, and the reinforcement layer 6 is provided with two sides and distributed up and down at the top and bottom positions of the sound-absorbing foam aluminum plate layer 5. The upper and lower frame structures can be docked and combined to form a stable outer frame structure, so that the sound-absorbing foam aluminum plate layer 5 can be stably covered inside it, which has a stable protective effect on it. The setting of the combined reinforcement layer 6 can enhance the structural strength of the entire plate, thereby ensuring the stability of the entire foam aluminum plate structure. A finishing layer 7 is provided on both the lower frame 2 and the upper frame 3. The top of the lower frame 2 is fixedly connected with a connecting block 10, and the bottom of the upper frame 3 is provided with a connecting groove 11. An inner groove 12 is provided in the position where the connecting block 10 and the lower frame 2 meet. A movable block 13 is slidably connected in the inner groove 12, and a spring 14 is connected between the inner wall of the inner groove 12 and the outer surface of the movable block 13. A locking block 15 is fixedly connected to the movable block 13, and a locking groove 16 is provided on the inner wall of the connecting groove 11. The outer surface of the lower frame 2 is fixedly connected with the locking block 15. An operating recess 17 is provided on the surface, an operating rod 19 is fixedly connected to the movable block 13, one end of the operating rod 19 is fixedly connected to a pull ring 20 located in the operating recess 17, the connecting block 10 and the connecting groove 11 are nested and matched, the locking block 15 and the locking groove 16 are nested and matched, and the top side of the locking block 15 is set in an inclined form. The matching arrangement of the connecting block 10, the connecting groove 11, the locking block 15 and the locking groove 16 structure can make the upper and lower frame structures able to be firmly docked and installed together, thereby ensuring the stability of the entire plate structure, and at the same time cooperating with the entire structure, It can be easily disassembled and can be easily disassembled and replaced after the internal sound-absorbing foam aluminum plate layer 5 is damaged and fails. The inner groove 12, movable block 13, spring 14, locking block 15, locking groove 16, operating rod 19, and pull ring 20 structures are provided with two groups and are correspondingly located on both sides of the connecting block 10 and the connecting groove 11. The two pull rings 20 are located in the same operating recess 17. The two pull rings 20 are located in the same operating recess 17, which can facilitate the disassembly operation of the structure and improve the convenience of the structural operation. There are two groups of connecting blocks 10 and connecting grooves 11 structures and are correspondingly located on both sides of the lower frame 2 and the upper frame 3.

[0028] A mounting block 23 is provided on the plate body 1, and a mounting hole 24 is provided on the mounting block 23. The mounting block 23 and the mounting hole 24 can facilitate the positioning and installation of the entire plate with bolts. A positioning slot 21 is provided at the connection position of the lower frame 2 and the upper frame 3, and a positioning block 22 is nested in the positioning slot 21. The mounting block 23 is fixedly connected to the positioning block 22. There are four mounting blocks 23 and they are located on both sides of the plate body 1 near the two ends. The coordination of the positioning block 22 and the positioning slot 21 can enable the mounting block 23 to be stably installed in the plate body 1.

[0029] The top of the lower frame 2 is fixedly connected with a positioning pin block 8, and the bottom of the upper frame 3 is provided with a positioning pin groove 9. The positioning pin block 8 and the positioning pin groove 9 are nested and matched. The setting of this structure can be coordinated with the connecting block 10 and the connecting groove 11, so that the upper and lower frames can be stably and firmly docked and installed together.

[0030] A connecting groove 18 is provided between the operating recess 17 and the inner groove 12 . The operating rod 19 and the connecting groove 18 are nested and slidably fitted. The setting of the connecting groove 18 can guide the operating rod 19 .

[0031] Working principle: When using the sound-absorbing foam aluminum plate, place the sound-absorbing foam aluminum plate layer 5 and the reinforcement layer 6 into the built-in cavity 4, and dock the upper frame 3 with the lower frame 2. In this way, the positioning pin block 8 can be inserted into the positioning pin groove 9, and the connecting block 10 can be inserted into the connecting groove 11. When the connecting block 10 is inserted, the inclined surface on the top of the locking block 15 will first contact the inner wall of the connecting groove 11. By squeezing the inclined surface, it will play a guiding effect, causing it to slide and shrink into the inner groove 12. The locking block 15 pushes the movable block 13 to move and press Compress the spring 14. When the connecting block 10 is inserted into the connecting groove 11, the spring 14 resets and pushes the movable block 13 to drive the locking block 15 to be inserted into the locking groove 16. The docking installation of the upper and lower frame structures can be completed. When disassembling, pull the pull ring 20. The pull ring 20 drives the movable block 13 to move through the operating rod 19. The movable block 13 drives the locking block 15 to leave the locking groove 16. Pull the connecting block 10 out of the connecting groove 11, and the upper and lower frames can be disassembled. This makes it convenient to replace the inner sound-absorbing foam aluminum plate layer 5.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A sound-absorbing foam aluminum plate, comprising a plate body (1), characterized in that: The plate body (1) includes a lower frame (2) and an upper frame (3), and a built-in cavity (4) is provided in the plate body (1), a sound-absorbing foam aluminum plate layer (5) and a reinforcement layer (6) are respectively provided in the built-in cavity (4), and a finishing layer (7) is provided on both the lower frame (2) and the upper frame (3). The top of the lower frame (2) is fixedly connected with a connecting block (10), and the bottom of the upper frame (3) is provided with a connecting groove (11). An inner groove (12) is provided in the connecting position of the connecting block (10) and the lower frame (2), and a movable block (13) is slidably connected in the inner groove (12). , and a spring (14) is connected between the inner wall of the inner groove (12) and the outer surface of the movable block (13), a locking block (15) is fixedly connected to the movable block (13), the inner wall of the connecting groove (11) is provided with a locking groove (16), the outer surface of the lower frame (2) is provided with an operating recess (17), an operating rod (19) is fixedly connected to the movable block (13), one end of the operating rod (19) is located in the operating recess (17) and is fixedly connected to a pull ring (20), a mounting block (23) is provided on the plate body (1), and a mounting hole (24) is provided on the mounting block (23).

2. The sound-absorbing foam aluminum plate according to claim 1, characterized in that: The top of the lower frame (2) is fixedly connected with a positioning pin block (8), and the bottom of the upper frame (3) is provided with a positioning pin groove (9), and the positioning pin block (8) and the positioning pin groove (9) are nested and matched.

3. The sound-absorbing foam aluminum plate according to claim 1, characterized in that: The connecting block (10) and the connecting groove (11) are arranged in a nested fit, the locking block (15) and the locking groove (16) are arranged in a nested fit, and one side of the top of the locking block (15) is arranged in a sloped form.

4. The sound-absorbing foam aluminum plate according to claim 1, characterized in that: A communication groove (18) is provided between the operating recess (17) and the inner groove (12), and the operating rod (19) and the communication groove (18) are nested and slidably matched.

5. The sound-absorbing foam aluminum plate according to claim 1, characterized in that: The inner groove (12), movable block (13), spring (14), locking block (15), locking groove (16), operating rod (19), and pull ring (20) structures are provided in two groups and are correspondingly located on both sides of the connecting block (10) and the connecting groove (11). The two pull rings (20) are located in the same operating recess (17). The connecting block (10) and the connecting groove (11) structures are provided in two groups and are correspondingly located on both sides of the lower frame (2) and the upper frame (3).

6. The sound-absorbing foam aluminum plate according to claim 1, characterized in that: A positioning slot (21) is provided at the joint position of the lower frame (2) and the upper frame (3); a positioning block (22) is nested in the positioning slot (21); and the mounting block (23) is fixedly connected to the positioning block (22).

7. The sound-absorbing foam aluminum plate according to claim 1, characterized in that: There are four mounting blocks (23) in total and they are located on both sides of the plate body (1) near both ends.

Images