Modularized cavity sound absorber

Abstract

The utility model discloses a modularized cavity sound absorber, and relates to the technical field of indoor sound absorption devices. Comprising a sound-absorbing box body, the top of which is provided with an opening; the cover plate covers the top of the sound absorption box body, and the sound absorption box body is detachably connected with the cover plate; wherein a cavity is formed between the sound absorption box body and the cover plate. The sound absorption cavity is formed by the multiple sound absorption plates and the cover plate, the multiple sound absorption plates can be installed in a small space, and noise can be further absorbed through the sound absorption cavity formed in the multiple sound absorption plates.

Description

Technical Field

[0001] The utility model relates to the technical field of indoor sound absorbing devices, and more specifically to a modular cavity sound absorbing body. Background Art

[0002] In the prior art, a room with a small area can not achieve the most ideal sound absorption effect because only one layer of sound absorbing board is installed. In order to achieve a good sound absorption effect, large-scale wall reconstruction is a waste of time and the renovation cost is high.

[0003] Therefore, how to provide a modular cavity sound absorber that can occupy a small space and achieve good sound absorption effect is a problem that technical personnel in this field urgently need to solve. Utility Model Content

[0004] In view of this, the utility model provides a modular cavity sound absorber, which aims to solve the problems in the above-mentioned background technology and achieve sound absorption and noise reduction in a smaller room or space while occupying a smaller space.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A modular cavity sound absorber, comprising:

[0007] A sound-absorbing box, wherein the top of the sound-absorbing box has an opening;

[0008] A cover plate, the cover plate covers the top of the sound absorbing box, and the sound absorbing box is detachably connected to the cover plate;

[0009] Wherein, a cavity is formed between the sound absorbing box body and the cover plate.

[0010] Furthermore, the sound-absorbing box includes a sound-absorbing side panel and a sound-absorbing bottom panel, and a plurality of the sound-absorbing side panels are provided, and the plurality of the sound-absorbing side panels and the sound-absorbing bottom panel are assembled to form the sound-absorbing box.

[0011] Furthermore, a concave plate is provided on the side wall of the sound-absorbing box, a groove is provided on the concave plate, a convex plate is provided on the cover plate, a convex block is provided on the convex plate, and the convex block cooperates with the groove.

[0012] Furthermore, the cover plate is provided with a screw hole, the screw hole passes through the cover plate, there are a plurality of screw holes, and screws are evenly passed through the plurality of screw holes.

[0013] Furthermore, a sound absorbing layer is provided in the box.

[0014] It can be seen from the above technical solutions that, compared with the prior art, the utility model discloses a modular cavity sound absorber. By forming a sound absorbing cavity through multiple sound absorbing panels and a cover plate, multiple sound absorbing panels can be installed in a smaller space, and the sound absorbing cavity formed by the multiple sound absorbing panels can further absorb noise. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0016] Figure 1 An internal structure diagram of a modular cavity sound absorber provided by the utility model;

[0017] Figure 2 This is an external structural diagram of a modular cavity sound absorber provided by the utility model.

[0018] Among them: 1 is a sound-absorbing box body; 11 is a sound-absorbing side panel; 12 is a sound-absorbing bottom panel; 2 is a cover panel; 3 is a cavity; 4 is a concave panel; 5 is a convex panel; 6 is a screw; and 7 is a sound-absorbing layer. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1 and 2 The utility model embodiment discloses a modular cavity sound absorber, comprising:

[0021] The sound-absorbing box 1 has an opening on the top. In the present embodiment, the sound-absorbing box 1 is made of a sound-absorbing material and can effectively absorb indoor noise.

[0022] The cover plate 2 is covered on the top of the sound absorbing box 1, and the sound absorbing box 1 and the cover plate 2 are detachably connected; in this embodiment, the cover plate 2 is used to be installed on the main structure, and the cover plate 2 can connect and fix the main structure and the box.

[0023] A cavity 3 is formed between the sound-absorbing box body 1 and the cover plate 2; a sound-absorbing layer 7 is arranged in the box body. In the present embodiment, the cavity 3 can form a resonant sound-absorbing structure. When the frequency of the sound wave is consistent with the natural frequency of the resonant sound-absorbing structure, resonance occurs, and the sound wave excites the resonant sound-absorbing structure to vibrate and maximize the amplitude, thereby consuming sound energy and achieving the purpose of sound absorption.

[0024] The sound-absorbing box 1 includes a sound-absorbing side panel 11 and a sound-absorbing bottom panel 12. A plurality of sound-absorbing side panels 11 are provided, and the plurality of sound-absorbing side panels 11 and the sound-absorbing bottom panel 12 are assembled to form the sound-absorbing box 1. When in use, the sound-absorbing panels are grooved 90 degrees according to the designed size using special equipment, bent, and bonded to form the sound-absorbing box 1, which may be filled with a sound-absorbing layer 7 made of sound-absorbing cotton, glass fiber cotton, sound insulation cotton, etc., or may not be filled with sound-absorbing materials. Install the fixing accessories, and then install it on the wall or the ceiling of the room.

[0025] A concave plate 4 is provided on the side wall of the sound-absorbing box 1, and a groove is provided on the concave plate 4. A convex plate 5 is provided on the cover plate 2, and a bump is provided on the convex plate 5. The bump cooperates with the groove. In this embodiment, the convex plate 5 cooperates with the concave plate 4 to connect the cover plate 2 and the sound-absorbing box 1.

[0026] The cover plate 2 is provided with a screw hole, which passes through the cover plate 2 . There are a plurality of screw holes, and screws 6 are evenly passed through the plurality of screw holes.

[0027] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0028] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A modular cavity sound absorber, characterized in that: include: A sound-absorbing box, wherein the top of the sound-absorbing box has an opening; A cover plate, the cover plate covers the top of the sound absorbing box, and the sound absorbing box is detachably connected to the cover plate; Wherein, a cavity is formed between the sound absorbing box and the cover plate; The side wall of the sound-absorbing box body is provided with a concave plate, the concave plate is provided with a groove, the cover plate is provided with a convex plate, the convex plate is provided with a convex block, and the convex block cooperates with the groove.

2. A modular cavity sound absorber according to claim 1, characterized in that: The sound-absorbing box body comprises a sound-absorbing side panel and a sound-absorbing bottom panel, a plurality of the sound-absorbing side panels are provided, and a plurality of the sound-absorbing side panels and the sound-absorbing bottom panel are assembled to form the sound-absorbing box body.

3. The modular cavity sound absorber according to claim 1, characterized in that: The cover plate is provided with a screw hole, and the screw hole passes through the cover plate. There are a plurality of screw holes, and screws are evenly passed through the plurality of screw holes.

4. The modular cavity sound absorber according to claim 1, characterized in that: A sound absorbing layer is arranged in the box body.

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