Broadband sound absorption wedge metal plate

Abstract

The utility model discloses a broadband sound absorption wedge metal plate, which relates to the technical field of sound attenuation structures and comprises a first sound absorption wedge and a second sound absorption wedge, the first sound absorption wedge and the second sound absorption wedge are connected through a connecting part, and the connecting part comprises a first clamping block, a second clamping block, a third clamping block, a fourth clamping block and an H-shaped connecting block. The first clamping block and the second clamping block are both fixedly connected to the side wall of the first sound absorption wedge, the third clamping block and the fourth clamping block are both fixedly connected to the side wall of the second sound absorption wedge, a first gap is formed between the first clamping block and the second clamping block, a second gap is formed between the third clamping block and the fourth clamping block, and the first clamping block and the second clamping block are fixedly connected to the side wall of the second sound absorption wedge. The H-shaped connecting block is clamped between the first gap and the second gap, every two adjacent sound-absorbing wedges are connected into a whole through a connecting part, a plurality of subsequent sound-absorbing wedges can be positioned through the same connecting part, and overall connection is more convenient and efficient.

Description

Technical Field

[0001] The utility model relates to the technical field of silencing structures, in particular to a broadband sound-absorbing wedge metal plate. Background Art

[0002] The sound-absorbing wedge is a special sound-absorbing structure used in anechoic chambers. The sound-absorbing wedge can usually be divided into two parts: the tip and the base. When installed, an air layer is left between the tip and the wall. From the tip to the base of the wedge, the acoustic impedance gradually transitions from the characteristic impedance of air to the impedance of porous materials, thus achieving good impedance matching and allowing the incident sound energy to be efficiently absorbed.

[0003] At present, during the connection process of the sound absorbing wedges with the installation structure, multiple sound absorbing wedges need to be connected to each other, and a special keel frame is needed to complete the positioning of multiple sound absorbing wedges, which makes the installation and disassembly of the sound absorbing wedges inconvenient. Utility Model Content

[0004] Based on this, it is necessary to provide a broadband sound absorbing wedge metal plate to address the problem of inconvenient connection between multiple sound absorbing wedges, which can improve the convenience of connection between multiple sound absorbing wedge structures.

[0005] A broadband sound absorbing wedge metal plate comprises a first sound absorbing wedge and a second sound absorbing wedge, wherein the first sound absorbing wedge and the second sound absorbing wedge are connected by a connecting component, wherein the connecting component comprises a first clamping block, a second clamping block, a third clamping block, a fourth clamping block and an H-shaped connecting block, wherein the first clamping block and the second clamping block are both fixedly connected to a side wall of the first sound absorbing wedge between the first sound absorbing wedge and the second sound absorbing wedge, wherein the third clamping block and the fourth clamping block are both fixedly connected to a side wall of the second sound absorbing wedge between the first sound absorbing wedge and the second sound absorbing wedge, wherein a first gap is provided between the first clamping block and the second clamping block, a second gap is provided between the third clamping block and the fourth clamping block, and the H-shaped connecting block is clamped between the first gap and the second gap.

[0006] As a preferred solution, the first sound-absorbing wedge includes a left side plate, a top plate, a right side plate and a bottom plate, and the top plate is connected to the left side plate and the right side plate respectively, and the bottom plate is connected to the left side plate and the right side plate respectively by a clip, and the clip includes a clip and a first limiting groove that cooperates with the clip, and the clip is inserted into the first limiting groove.

[0007] As a preferred solution, the first sound absorbing wedge includes a front side panel and a rear side panel, each of which is equipped with at least three plug-in boards, and each of the left side panel, the right side panel and the bottom panel is equipped with a snap-in sleeve for matching the plug-in boards.

[0008] As a preferred solution, a jack for inserting the insertion plate is provided inside the clamping sleeve, a second clamping strip is installed inside the jack, and a first clamping strip cooperating with the second clamping strip is installed on the insertion plate.

[0009] As a preferred solution, a first groove for accommodating the first clamping strip is provided on the insertion plate, and the first clamping strip is fixedly installed in the first groove.

[0010] As a preferred solution, after the left side plate, the top plate, the right side plate, the bottom plate, the front side plate and the rear side plate are clamped, they are welded into one body.

[0011] As a preferred solution, the first limiting groove is a U-shaped groove, and the clamping plate is inserted into the U-shaped groove.

[0012] The beneficial effects of the present utility model are as follows:

[0013] Adjacent two sound-absorbing wedges are connected into one body through a connecting component, and subsequent multiple sound-absorbing wedges can be positioned through the same connecting component. A specific connecting component is designed. Subsequently, it is possible to select to quickly disassemble and assemble adjacent two sound-absorbing wedges by spot-checking the H-shaped connecting block, and the side plates on the six sides of each sound-absorbing wedge can be positioned by means of clamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic diagram of the overall structure of one embodiment;

[0015] Figure 2 is Figure 1 the enlarged structural schematic diagram at A in

[0016] Figure 3 is Figure 1 the structural schematic diagram of the connection of the four side plates of

[0017] Figure 4 is the structural schematic diagram of the rear side plate;

[0018] Figure 5 is the structural schematic diagram of the front side plate;

[0019] Figure 6 is the structural schematic diagram of the right side plate;

[0020] Figure 7 is Figure 3 the structural schematic diagram at B in

[0021] Icons: 1. First sound-absorbing wedge; 101. Left side panel; 102. Top panel; 103. Right side panel; 1031. First limiting groove; 104. Bottom panel; 105. Rear side panel; 106. Front side panel; 2. Second sound-absorbing wedge; 3. Snap-in sleeve; 301. Jack; 302. Second clip strip; 4. Insert board; 401. First groove; 402. First clip strip; 5. Connecting component; 501. First clip block; 502. Second clip block; 503. H-shaped connecting block; 504. Third clip block; 505. Fourth clip block; 6. Card board. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0023] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0025] like Figure 1-Figure 7 As shown,

[0026] As an optional embodiment:

[0027] A broadband sound absorbing wedge metal plate comprises a first sound absorbing wedge 1 and a second sound absorbing wedge 2, wherein the first sound absorbing wedge 1 and the second sound absorbing wedge 2 are connected via a connecting component 5, wherein the connecting component 5 comprises a first clamping block 501, a second clamping block 502, a third clamping block 504, a fourth clamping block 505 and an H-shaped connecting block 503, wherein the first clamping block 501 and the second clamping block 502 are both fixedly connected to a side wall of the first sound absorbing wedge 1 between the first sound absorbing wedge 1 and the second sound absorbing wedge 2, wherein the third clamping block 504 and the fourth clamping block 505 are both fixedly connected to a side wall of the second sound absorbing wedge 2 between the first sound absorbing wedge 1 and the second sound absorbing wedge 2, wherein a first gap is provided between the first clamping block 501 and the second clamping block 502, a second gap is provided between the third clamping block 504 and the fourth clamping block 505, and the H-shaped connecting block 503 is clamped between the first gap and the second gap.

[0028] In the above structure, in order to quickly connect the first sound absorbing wedge 1 and the second sound absorbing wedge 2 into one body, a connecting component 5 is designed between the two. The connecting component 5 is composed of five parts: a first clamping block 501, a second clamping block 502, a third clamping block 504, a fourth clamping block 505 and an H-shaped connecting block 503. The four clamping blocks and one H-shaped connecting block 503 are specifically connected as follows:

[0029] The first card block 501 and the second card block 502 are both fixedly mounted on the side of the first sound absorbing wedge 1, and the mounting position is located between the first sound absorbing wedge 1 and the second sound absorbing wedge 2, and the first card block 501 and the second card block 502 are arranged opposite to each other; the third card block 504 and the fourth card block 505 are both mounted on the side of the second sound absorbing wedge 2, and the mounting position is located between the first sound absorbing wedge 1 and the second sound absorbing wedge 2, and the third card block 504 and the fourth card block 505 are arranged opposite to each other; the four card blocks are all Z-shaped, a first gap is formed between the first card block 501 and the second card block 502, and a second gap is formed between the third card block 504 and the fourth card block 505, and the H-shaped connecting block 503 is inserted into the gap between the first gap and the second gap to connect two adjacent sound absorbing wedges into one, and multiple consecutive sound absorbing wedges can be connected one by one through the connecting component 5, and when they need to be disassembled later, it is only necessary to pull out the H-shaped connecting block 503 at the first gap and the second gap.

[0030] Based on the first embodiment, Figure 3-Figure 7 As shown:

[0031] The first sound-absorbing wedge 1 includes a left side plate 101, a top plate 102, a right side plate 103 and a bottom plate 104. The top plate 102 is connected to the left side plate 101 and the right side plate 103 respectively, and the bottom plate 104 is connected to the left side plate 101 and the right side plate 103 respectively through a clamping member. The clamping member includes a clamping plate 6 and a first limiting groove 1031 matched with the clamping plate 6. The clamping plate 6 is inserted into the first limiting groove 1031.

[0032] Among them, the four upper, lower, left and right sides of the first sound-absorbing wedge 1 have a left side panel 101, a top panel 102, a right side panel 103 and a bottom panel 104, wherein the connection between two adjacent side panels is fixed by a clamping member, and the clamping member includes a clamping plate 6 and a first limiting groove 1031. For example, a clamping plate 6 is installed on both sides of the top panel 102 and the bottom panel 104, and a first limiting groove 1031 is installed on the upper and lower ends of the left side panel 101 and the right side panel 103. Therefore, the four clamping plates 6 are inserted one by one into the corresponding first limiting grooves 1031, and the connection of the four side panels of the first sound-absorbing wedge 1 can be completed, and subsequent disassembly and assembly are relatively convenient.

[0033] Based on the connection of the four side panels of the first sound absorbing wedge 1, the connection of the front and rear side panels of the first sound absorbing wedge 1 is as follows:

[0034] The first sound absorbing wedge 1 includes a front side plate 106 and a rear side plate 105 , each of which is provided with at least three plug-in plates 4 , and each of the left side plate 101 , the right side plate 103 and the bottom plate 104 is provided with a clamping sleeve 3 for clamping with the plug-in plates 4 .

[0035] Among them, the three plug-in plates 4 of the front side panel 106 are inserted into the corresponding snap-in sleeves 3. Similarly, three plug-in plates 4 are also installed on the rear side panel 105. Subsequently, the three plug-in plates 4 on the rear side panel 105 are inserted into the corresponding snap-in sleeves 3. The front side panel 106 and the rear side panel 105 are installed on the front and rear sides between the left side panel 101, the top panel 102, the right side panel 103 and the bottom panel 104, and the six sides of front, back, left, right, up and down can be quickly disassembled and assembled.

[0036] Based on the first embodiment, Figure 3 , Figure 4 , Figure 6 and Figure 7 As shown,

[0037] The front and rear side plates and the interior of the card sleeve 3 are provided with a plug hole 301 for the plug board 4 to insert, the interior of the plug hole 301 is installed with a second card strip 302, and the plug board 4 is installed with a first card strip 402 that matches the second card strip 302.

[0038] The clamping sleeve 3 is provided with a jack 301 for inserting the plug board 4. A second clamping strip 302 is installed in the jack 301, and a first clamping strip 402 is installed on the plug board 4. When the plug board 4 is inserted into the jack 301 of the clamping sleeve 3 subsequently, the first clamping strip 402 and the second clamping strip 302 are engaged with each other, and the front side plate 106 and the rear side plate 105 can be fixed on the left side plate 101, the top plate 102, the right side plate 103 and the bottom plate 104.

[0039] The position where the plug board 4 is inserted into the jack 301 is positioned. Therefore, the following structure is designed:

[0040] A first groove 401 for accommodating the first clamping strip 402 is provided on the plug board 4. The first clamping strip 402 is fixedly installed in the first groove 401. After the first clamping strip 402 is installed in the first groove 401 and the plug board 4 is inserted into the jack 301 subsequently, if it continues to extend deeper into it, then after the first clamping strip 402 and the second clamping strip 302 are engaged, the first groove 401 will abut against the clamping strip.

[0041] In order to further strengthen and fix the six side plates, it can be selected to be integrally formed by welding after clamping between the left side plate 101, the top plate 102, the right side plate 103, the bottom plate 104, the front side plate 106 and the rear side plate 105. Subsequently, the six side plates are clamped one by one and then fixed into one body by welding.

[0042] The first limiting groove 1031 is a U-shaped groove, and the clamping plate 6 is inserted into the U-shaped groove to Figure 6 take an example, one U-shaped groove is installed at each of the upper and lower ends of the right side plate 103. For example, the opening of the U-shaped groove at the top of the right side plate 103 can be installed with the opening facing vertically upward. On the contrary, the opening of the U-shaped groove at the bottom of the right side plate 103 is installed with the opening facing horizontally to the right. The clamping plate 6 of the top plate 102 is inserted into the U-shaped groove at the top of the right side plate 103, and at the same time, the clamping plate 6 of the bottom plate 104 is inserted into the U-shaped groove at the bottom of the right side plate 103. Similarly, the connection between the left side plate 101 and the top plate 102 and the bottom plate 104 can also be connected by the same structure.

[0043] The above embodiments only represent several implementation manners of the present utility model, and the description thereof is relatively specific and detailed, but it cannot be understood as a limitation to the scope of the utility model patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present utility model, several deformations and improvements can still be made, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the present utility model patent shall be subject to the appended claims.

Claims

1. A broadband sound absorbing wedge metal plate, characterized in that: It includes a first sound-absorbing wedge (1) and a second sound-absorbing wedge (2). The first sound-absorbing wedge (1) and the second sound-absorbing wedge (2) are connected by a connecting member (5). The connecting member (5) includes a first clamping block (501), a second clamping block (502), a third clamping block (504), a fourth clamping block (505) and an H-shaped connecting block (503). The first clamping block (501) and the second clamping block (502) are both fixedly connected to the side wall of the first sound-absorbing wedge (1) between the first sound-absorbing wedge (1) and the second sound-absorbing wedge (2). The third clamping block (504) and the fourth clamping block (505) are both fixedly connected to the side wall of the second sound-absorbing wedge (2) between the first sound-absorbing wedge (1) and the second sound-absorbing wedge (2). There is a first gap between the first clamping block (501) and the second clamping block (502), and a second gap between the third clamping block (504) and the fourth clamping block (505). The H-shaped connecting block (503) is clamped between the first gap and the second gap.

2. A broadband sound absorbing wedge metal plate according to claim 1, characterized in that: The first sound-absorbing wedge (1) includes a left side plate (101), a top plate (102), a right side plate (103) and a bottom plate (104). The top plate (102) is connected to the left side plate (101) and the right side plate (103) respectively, and the bottom plate (104) is connected to the left side plate (101) and the right side plate (103) respectively by clamping members. The clamping member includes a clamping plate (6) and a first limiting groove (1031) that cooperates with the clamping plate (6). The clamping plate (6) is inserted into the first limiting groove (1031).

3. The broadband sound absorbing wedge metal plate according to claim 2, characterized in that: The first sound-absorbing wedge (1) includes a front side plate (106) and a rear side plate (105). At least three insertion plates (4) are installed on both the front side plate (106) and the rear side plate (105). Clamping sleeves (3) for clamping the insertion plates (4) are installed on the left side plate (101), the right side plate (103) and the bottom plate (104).

4. The broadband sound absorbing wedge metal plate according to claim 3, characterized in that: An insertion hole (301) for the insertion plate (4) to penetrate is formed inside the clamping sleeve (3). A second clamping strip (302) is installed inside the insertion hole (301). A first clamping strip (402) that cooperates with the second clamping strip (302) is installed on the insertion plate (4).

5. The broadband sound absorbing wedge metal plate according to claim 4, characterized in that: A first groove (401) for accommodating the first clamping strip (402) is formed on the insertion plate (4). The first clamping strip (402) is fixedly installed in the first groove (401).

6. The broadband sound absorbing wedge metal plate according to claim 3, characterized in that: After the left side plate (101), the top plate (102), the right side plate (103), the bottom plate (104), the front side plate (106) and the rear side plate (105) are clamped, they are welded into one body.

7. The broadband sound absorbing wedge metal plate according to claim 2, characterized in that: The first limiting groove (1031) is a U-shaped groove, and the clamping plate (6) is inserted into the U-shaped groove.

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