Low-noise composite silencing static pressure box

Abstract

The utility model relates to the technical field of silencing plenum chambers, and discloses a low-noise composite silencing plenum chamber which comprises a silencing plenum chamber body, a quick-release sealing mechanism is arranged in the silencing plenum chamber body, a filtering mechanism is arranged at the top of the quick-release sealing mechanism, an air outlet is fixedly connected to the bottom of the silencing plenum chamber body, and an air inlet is formed in the bottom of the silencing plenum chamber body. A sound absorption layer is arranged on the inner side of the silencing plenum chamber body, a quick-release sealing mechanism is arranged, a rotating block is rotated, the rotating block drives a cam to rotate, and a connecting rod is pushed to move upwards in the rotating process of the cam, so that the connecting rod pushes an inclined block to move upwards, and hooks on the two sides are pushed to rotate inwards in the moving process of the inclined block. And the fixing sleeve can be easily separated from the silencing static pressure main body, so that workers can conveniently and quickly overhaul the interior of the device and replace silencing materials in the device, and the work complexity of the workers is further reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of silencing static pressure boxes, in particular to a low-noise composite silencing static pressure box. Background Art

[0002] The low-noise composite anechoic plenum is a significant way to reduce noise pollution. It is equipped with high-quality sound-absorbing and anechoic materials, which can absorb and eliminate sound waves entering the box, thereby reducing the spread of noise. This is especially important for various industrial and commercial places, such as factory workshops, computer rooms, data centers, etc. These places often have high noise problems, affecting the work efficiency and health of employees. By using a low-noise composite anechoic plenum, noise pollution can be effectively reduced and the working environment can be improved.

[0003] According to a silencing plenum box disclosed on the patent website (authorization announcement is CN 219301000 U), "a silencing plenum box is described, comprising: a silencing plenum box body; the silencing plenum box body is provided with an air inlet and an air outlet, and an air flow cavity connected to the air inlet and the air outlet is formed inside; the silencing plenum box body includes a composite pinhole aluminum sound-absorbing plate, a porous composite sound-absorbing material, and a galvanized steel plate from the inside to the outside."

[0004] In view of the above description, the applicant believes that there are the following problems:

[0005] During use of the utility model, the device connects the air flow cavity through the air inlet and the air outlet, and then a composite pinhole sound-absorbing panel and a porous composite sound-absorbing material are sequentially arranged on the main body of the silencer static pressure box, thereby achieving a sound-absorbing and silencing effect. However, in actual use, when the internal part of the device needs to be inspected and repaired at a later stage, since the galvanized steel plate arranged on the outside is fixed by rivets or bolts, it is not convenient for the staff to quickly inspect the internal part of the silencer static pressure box and replace the sound-absorbing material inside, which easily increases the tediousness of the staff during the replacement process. In addition, the device does not have a filtering mechanism at the air outlet. When facing demanding places such as dust-free workshops and laboratories, the device cannot filter dust in the air, resulting in the device being unable to adapt to use in specific occasions. Therefore, it is necessary to improve a low-noise composite silencer static pressure box. Utility Model Content

[0006] The utility model aims to provide a low-noise composite silencing static pressure box to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a low-noise composite silencing plenum box, comprising a silencing plenum box body, a quick-release sealing mechanism is arranged inside the silencing plenum box body, a filtering mechanism is arranged on the top of the quick-release sealing mechanism, an air outlet is fixedly connected to the bottom of the silencing plenum box body, and a sound-absorbing layer is arranged inside the silencing plenum box body;

[0008] The quick-release sealing mechanism comprises a quick-release assembly and a sealing assembly, wherein the sealing assembly is arranged inside the quick-release assembly, so as to facilitate the later replacement of the sound insulation layer and the maintenance of the inside of the device.

[0009] Preferably, the quick-release assembly includes a cam, the cam is rotatably connected to the inside of the silencer and static pressure box body, the front side of the cam is fixedly connected to a rotating block, the inside of the silencer and static pressure box body is slidably connected to a connecting rod, the top of the connecting rod is fixedly connected to an inclined block, the inside of the silencer and static pressure box body is rotatably connected to a hook, a No. 1 spring is fixedly connected between the hooks, a card block is inserted into the inside of the silencer and static pressure box body, and the top of the card block is fixedly connected to a fixing sleeve, so as to facilitate the inspection of the inside of the device and the replacement of internal components.

[0010] Preferably, a groove is provided at the corresponding position of the hook and the block, and the hook is inserted into the groove, and the cam is in contact with the connecting rod, so as to facilitate the removal of the fixing sleeve.

[0011] Preferably, the sealing assembly includes a No. 2 spring, which is fixedly connected inside the fixed sleeve, a connecting plate is fixedly connected to the bottom of the No. 2 spring, a sealing sleeve is fixedly connected to the bottom of the connecting plate, and a sealing ring is sleeved on the outside of the sealing sleeve to improve the sealing of the device connection.

[0012] Preferably, grooves are provided at corresponding positions of the sealing sleeve, the sealing ring and the silencer and static pressure box body, and the sealing sleeve and the sealing ring are inserted into the grooves to facilitate the sealing ring to abut against the silencer and static pressure box body, thereby ensuring the sealing performance.

[0013] Preferably, the filtering mechanism includes an air inlet, which is fixedly connected to the top of the fixed sleeve, a filter plate is inserted into the air inlet, a fixed block is slidably connected to the inside of the air inlet, a pull plate is fixedly connected to the front of the fixed block, and a No. 3 spring is fixedly connected between the fixed block and the air inlet, so as to facilitate the sealing ring to abut against the silencer main body, thereby ensuring the sealing.

[0014] Preferably, grooves are provided at positions corresponding to the fixing block and the filter plate, and the clamping block is inserted into the groove, so as to facilitate the subsequent removal of the filter plate.

[0015] Compared with the prior art, the utility model provides a low-noise composite silencing static pressure box, which has the following beneficial effects:

[0016] 1. The low-noise composite silencing static pressure box rotates the rotating block through the quick-release sealing mechanism, and the rotating block drives the cam to rotate, and during the rotation of the cam, the connecting rod is pushed to move upward, so that the connecting rod pushes the inclined block to move upward, and then during the movement of the inclined block, the hooks on both sides are pushed to rotate inward, so that all the hooks are separated from the inside of the card block, and the fixed sleeve can be easily separated from the silencing static pressure body, so that the staff can quickly inspect the inside of the device and replace the internal silencing material, further reducing the tediousness of the staff's work.

[0017] 2. The low-noise composite silencing static pressure box has a filtering mechanism. When the device is in use, the dust in the air is filtered through the filter plate, so that the device can be used in places with high requirements such as dust-proof workshops and laboratories, thereby further expanding the scope of use of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor:

[0019] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the front cross-sectional view of the utility model;

[0021] Figure 3 This is a schematic diagram of the appearance structure of the quick-release sealing mechanism of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the quick-release assembly of the utility model;

[0023] Figure 5 It is a schematic diagram of the expanded structure of the clamping block and the connected parts of the utility model;

[0024] Figure 6 This is a schematic diagram of the expanded structure of the sealing component of the utility model;

[0025] Figure 7 This is a schematic diagram of the expanded structure of the filtering mechanism of the utility model.

[0026] In the figure: 1. Silencer static pressure box body; 2. Quick release sealing mechanism; 3. Filter mechanism; 4. Air outlet; 5. Sound absorbing layer; 21. Quick release assembly; 22. Sealing assembly; 211. Cam; 212. Rotating block; 213. Connecting rod; 214. Oblique block; 215. Fixed sleeve; 216. Block; 217. Hook; 218. No. 1 spring; 221. No. 2 spring; 222. Connecting plate; 223. Sealing sleeve; 224. Sealing ring; 31. Air inlet; 32. Fixed block; 33. Pull plate; 34. No. 3 spring; 35. Filter plate. DETAILED DESCRIPTION

[0027] 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.

[0028] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] Embodiment 1:

[0030] See also Figure 1-7 The utility model provides a technical solution: a low-noise composite silencing plenum box, comprising a silencing plenum box body 1, a quick-release sealing mechanism 2 is arranged inside the silencing plenum box body 1, a filtering mechanism 3 is arranged on the top of the quick-release sealing mechanism 2, an air outlet 4 is fixedly connected to the bottom of the silencing plenum box body 1, and a sound-absorbing layer 5 is arranged inside the silencing plenum box body 1;

[0031] The quick-release sealing mechanism 2 includes a quick-release component 21 and a sealing component 22. The sealing component 22 is arranged inside the quick-release component 21 to facilitate the later replacement of the sound insulation layer and the maintenance of the inside of the device.

[0032] Furthermore, the quick-release assembly 21 includes a cam 211, which is rotatably connected to the inside of the silencer and static pressure box body 1, a rotating block 212 is fixedly connected to the front of the cam 211, a connecting rod 213 is slidably connected to the inside of the silencer and static pressure box body 1, a bevel block 214 is fixedly connected to the top of the connecting rod 213, a hook 217 is rotatably connected to the inside of the silencer and static pressure box body 1, a No. 1 spring 218 is fixedly connected between the hooks 217, a card block 216 is inserted into the inside of the silencer and static pressure box body 1, and a fixing sleeve 215 is fixedly connected to the top of the card block 216, so as to facilitate the inspection of the inside of the device and the replacement of internal components.

[0033] Furthermore, a groove is provided at a position corresponding to the hook 217 and the block 216 , and the hook 217 is inserted into the groove, and the cam 211 is in contact with the connecting rod 213 , so that the fixing sleeve 215 can be easily disassembled.

[0034] Furthermore, the sealing assembly 22 includes a No. 2 spring 221, which is fixedly connected to the inside of the fixed sleeve 215. A connecting plate 222 is fixedly connected to the bottom of the No. 2 spring 221. A sealing sleeve 223 is fixedly connected to the bottom of the connecting plate 222. A sealing ring 224 is sleeved on the outside of the sealing sleeve 223 to improve the sealing performance of the device connection.

[0035] Furthermore, grooves are provided at corresponding positions of the sealing sleeve 223, the sealing ring 224 and the silencer plenum box body 1, and the sealing sleeve 223 and the sealing ring 224 are inserted into the grooves, so that the sealing ring 224 is in contact with the silencer plenum box body, thereby ensuring the sealing performance.

[0036] Embodiment 2:

[0037] See also Figure 7 , and combined with Example 1, it is further obtained that the filtering mechanism 3 includes an air inlet 31, the air inlet 31 is fixedly connected to the top of the fixed sleeve 215, a filter plate 35 is inserted inside the air inlet 31, a fixed block 32 is slidably connected inside the air inlet 31, a pull plate 33 is fixedly connected to the front of the fixed block 32, and a No. 3 spring 34 is fixedly connected between the fixed block 32 and the air inlet 31, so that the sealing ring 224 is in contact with the silencer body, thereby ensuring the sealing performance.

[0038] Furthermore, grooves are provided at positions corresponding to the fixing block 32 and the filter plate 35 , and the clamping block 216 is inserted into the grooves, so as to facilitate the later removal of the filter plate 35 .

[0039] In actual operation, when the device is used, first, the air outlet 4 of the device is fixed at a specified position, and after the device has been used for a long time, the rotating block 212 is rotated through the quick-release sealing mechanism 2, and the rotating block 212 drives the cam 211 to rotate, and during the rotation of the cam 211, the connecting rod 213 is pushed to move upward, so that the connecting rod 213 pushes the inclined block 214 to move upward, and then during the movement of the inclined block 214, the hooks 217 on both sides are pushed to rotate inward, so that the hooks 217 are completely separated from the inside of the block 216, and the fixing sleeve 215 can be easily separated from the silencer static pressure body, and during the period when the fixing sleeve 215 is fixed to the silencer static pressure box body 1, the sealing The sleeve 223 and the sealing ring 224 are inserted into the interior of the silencer static pressure box body 1, so that the sealing ring 224 abuts against the interior of the silencer static pressure box body 1, thereby ensuring the sealing of the connection between the fixed sleeve 215 and the silencer static pressure box to prevent air leakage and noise. Then, through the provided filtering mechanism 3, when the device is in use, dust in the air is filtered through the filter plate 35, and when the filter plate 35 needs to be removed after long-term use, the pull plate 33 is pulled, and the pull plate 33 drives the fixed block 32 to move downward, so that the fixed block 32 is separated from the filter plate 35, and the filter plate 35 can be easily taken out from the inside of the air inlet 31, thereby further facilitating the staff to clean and replace the filter plate 35.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A low-noise composite anechoic plenum box, comprising a anechoic plenum box body (1), characterized in that: A quick-release sealing mechanism (2) is arranged inside the muffler plenum box body (1), a filtering mechanism (3) is arranged on the top of the quick-release sealing mechanism (2), an air outlet (4) is fixedly connected to the bottom of the muffler plenum box body (1), and a sound-absorbing layer (5) is arranged on the inside of the muffler plenum box body (1); The quick-release sealing mechanism (2) comprises a quick-release component (21) and a sealing component (22); the sealing component (22) is arranged inside the quick-release component (21).

2. A low-noise composite anechoic static pressure box according to claim 1, characterized in that: The quick-release assembly (21) comprises a cam (211), the cam (211) is rotatably connected inside the muffler static pressure box body (1), a rotating block (212) is fixedly connected to the front of the cam (211), a connecting rod (213) is slidably connected inside the muffler static pressure box body (1), a slanting block (214) is fixedly connected to the top of the connecting rod (213), a hook (217) is rotatably connected inside the muffler static pressure box body (1), a No. 1 spring (218) is fixedly connected between the hooks (217), a clamping block (216) is inserted inside the muffler static pressure box body (1), and a fixing sleeve (215) is fixedly connected to the top of the clamping block (216).

3. A low-noise composite anechoic static pressure box according to claim 2, characterized in that: A groove is provided at a position corresponding to the hook (217) and the block (216), and the hook (217) is inserted into the groove, and the cam (211) is in contact with the connecting rod (213).

4. A low-noise composite anechoic static pressure box according to claim 2, characterized in that: The sealing assembly (22) comprises a No. 2 spring (221), wherein the No. 2 spring (221) is fixedly connected inside a fixed sleeve (215), a connecting plate (222) is fixedly connected to the bottom of the No. 2 spring (221), a sealing sleeve (223) is fixedly connected to the bottom of the connecting plate (222), and a sealing ring (224) is sleeved on the outside of the sealing sleeve (223).

5. A low-noise composite silencing static pressure box according to claim 4, characterized in that: The sealing sleeve (223) and the sealing ring (224) are provided with grooves at positions corresponding to the silencer static pressure box body (1), and the sealing sleeve (223) and the sealing ring (224) are inserted into the grooves.

6. A low-noise composite anechoic static pressure box according to claim 2, characterized in that: The filtering mechanism (3) comprises an air inlet (31), the air inlet (31) is fixedly connected to the top of the fixing sleeve (215), a filter plate (35) is inserted into the air inlet (31), a fixing block (32) is slidably connected to the inside of the air inlet (31), a pull plate (33) is fixedly connected to the front of the fixing block (32), and a No. 3 spring (34) is fixedly connected between the fixing block (32) and the air inlet (31).

7. A low-noise composite anechoic plenum box according to claim 6, characterized in that: The fixing block (32) and the filter plate (35) are provided with grooves at positions corresponding to each other, and the clamping block (216) is inserted into the grooves.

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