A noise reduction type air outlet silencing structure for a blower

Abstract

The utility model discloses a kind of noise reduction type air outlet sound-absorbing structure for air blower, it is related to technical field.The utility model includes ventilation pipe and the air cap of being set in the right side of ventilation pipe, the inner wall of air cap is fixedly connected with grid, further include: dismounting part, the dismounting part is provided with several, several The dismounting part is all arranged in ventilation pipe;Locking part, the locking part is provided with several, several The locking part is all installed in ventilation pipe outside;The dismounting part includes extrusion component, and the extrusion component is installed in ventilation pipe;Limiting component, the limiting component is set in air cap.The utility model is dismounted by setting dismounting part, solved the sound-absorbing structure in the use process of existing, it is inconvenient to dismount grid, lead to when grid is replaced, staff needs long time to carry out stop operation to fan, to affect the continuity of fan work, and further affect overall ventilation efficiency Problem.

Description

Technical Field

[0001] This utility model belongs to the technical field, and in particular relates to a noise reduction type air outlet silencer structure for blowers. Background Technology

[0002] In industries such as industrial production and ventilation, blowers are widely used as core power equipment. However, during operation, airflow disturbances and mechanical vibrations can easily generate high-intensity noise, which not only pollutes the environment but also affects the health of operators, failing to meet environmental protection and occupational health standards. Traditional air outlet structures have limited noise reduction effects and often rely on a single sound insulation material, making it difficult to balance sound reduction efficiency and ventilation resistance. Therefore, the development of noise-reducing air outlet silencers has become an industry requirement. This requires installing mesh at the air outlet for sound reduction, which significantly reduces noise propagation while ensuring the blower's air output performance, meeting the actual application needs of low-noise operating conditions.

[0003] However, the existing soundproofing structure is not convenient to disassemble and assemble the mesh during use. When the mesh is replaced, the staff needs to shut down the fan for a long time, which affects the continuity of the fan operation and thus affects the overall ventilation efficiency. Utility Model Content

[0004] The purpose of this utility model is to provide a noise reduction type air outlet silencing structure for blowers. By setting up a disassembly and assembly part, it solves the problem that existing silencing structures are inconvenient to disassemble and assemble the mesh during use, which requires the staff to shut down the blower for a long time when replacing the mesh, thus affecting the continuity of blower operation and consequently affecting the overall ventilation efficiency.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution: This utility model relates to a noise reduction and silencing structure for a blower, comprising a ventilation duct and a cover located on the right side of the ventilation duct. The inner wall of the cover is fixedly connected with a mesh. It also includes: a disassembly / assembly section, comprising several sections all located inside the ventilation duct; a locking section, comprising several sections all located outside the ventilation duct; each disassembly / assembly section includes a pressing assembly installed inside the ventilation duct; and a limiting assembly located inside the cover. The pressing assembly includes a connecting rod slidably connected to the inner wall of the ventilation duct. A spring telescopic rod is fixedly connected to the inner wall of the connecting rod on its right side. The left side of the spring telescopic rod is fixedly connected to the ventilation duct. A rotating shaft is rotatably connected to the inner wall of the spring telescopic rod. Two clamping blocks are rotatably connected to the outer wall of the rotating shaft. A spiral spring is fixedly connected to the inner wall of each clamping block. The inner walls of each spiral spring are fixedly connected to the rotating shaft. The two clamping blocks are circumferentially distributed.

[0006] Furthermore, the locking part includes a receiving component disposed outside the ventilation duct; and a sliding component installed inside the ventilation duct.

[0007] Furthermore, the limiting component includes two limiting grooves respectively opened on the side of the two clamping blocks that are close to each other. A limiting rod is provided in the two limiting grooves. A handle is fixedly connected to the right side of the limiting rod. Several positioning elements are provided on the left side of the handle. The positioning elements are distributed in a circle. The positioning element includes a positioning rod fixedly connected to the left side of the handle. A positioning groove is opened on the right side of the air cover. The positioning rod is adapted to the positioning groove.

[0008] Furthermore, the receiving component includes a limiting groove 2 formed on the outer wall of the connecting rod, a sliding groove formed on the outer wall of the ventilation pipe, and two limiting grooves 3 formed on the left inner wall of the sliding groove, the sliding groove being an arc-shaped groove.

[0009] Furthermore, the sliding assembly includes an arc-shaped rod fixedly connected to the inner wall of the slide groove. An arc-shaped spring is sleeved on the outer wall of the arc-shaped rod. A limiting component is provided outside the arc-shaped rod and is located inside the slide groove. The limiting component includes a slider slidably connected to the inner wall of the slide groove. The side of the arc-shaped spring near the slider is fixedly connected to the slider, and the side of the arc-shaped spring away from the slider is fixedly connected to the slide groove. A limiting block is hinged to the left side of the slider. The shape of the limiting block is adapted to the two limiting grooves in three phases, and the slider is adapted to the limiting grooves in two phases.

[0010] This utility model has the following beneficial effects: 1. By setting up a disassembly and assembly section, during disassembly and assembly, the squeezing component and the limiting component cooperate with each other. The squeezing component drives the clamping block to move with the help of the elastic component, and the limiting component is embedded into the limiting structure of the clamping block through the limiting rod. In addition, the handle drives the positioning component to match the corresponding structure of the air cover, so as to realize the clamping, fixing and disassembly of the air cover and the mesh. The mesh can be easily disassembled and assembled, avoiding the need to shut down the fan for a long time when replacing the mesh, ensuring the stability of the fan operation, and thus effectively maintaining the overall ventilation efficiency. 2. By setting a locking part, during installation, the receiving component and the sliding component work together. The receiving component provides the sliding component with a movement path and limit position through the groove. The sliding component drives the limit component to move in the groove with the help of the elastic component, so that the limit component is engaged or disengaged from the corresponding limit structure, thus completing the locking and unlocking of the relevant components. It can firmly lock the relevant components in the ventilation duct, prevent them from loosening or shifting during the operation of the fan, significantly enhance the overall installation stability of the silencing structure, and ensure the continuous and reliable operation of the silencing structure.

[0011] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0012] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the overall structure of the spring telescopic rod of this utility model; Figure 3 This utility model Figure 2 A magnified structural diagram of A in the middle; Figure 4 This is a schematic diagram of the overall structure of the positioning rod of this utility model; Figure 5 This is a schematic diagram of the overall structure of the slider of this utility model; Figure 6 This is an exploded view of the limiting component of this utility model; Figure 7 This is a schematic diagram of the overall structure of the spiral spring of this utility model.

[0014] The attached diagram lists the components represented by each number as follows: 101. Ventilation duct; 102. Air cover; 103. Mesh; 2. Assembly / disassembly unit; 21. Extrusion assembly; 211. Connecting rod; 212. Spring telescopic rod; 213. Rotating shaft; 214. Clamping block; 215. Vortex spring; 22. Limiting assembly; 221. Limiting groove one; 222. Limiting rod; 223. Handle; 224. Positioning rod; 225. Positioning groove; 3. Locking part; 31. Receiving assembly; 311. Limiting groove two; 312. Slide groove; 313. Limiting groove three; 32. Sliding assembly; 321. Arc rod; 322. Arc spring; 323. Slider; 324. Limiting block. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Please see Figure 1-7As shown, this utility model is a noise reduction type air outlet silencing structure for a blower, including a ventilation pipe 101 and a wind cover 102 disposed on the right side of the ventilation pipe 101. The inner wall of the wind cover 102 is fixedly connected with a mesh 103. It also includes: a disassembly part 2, of which several disassembly parts 2 are disposed inside the ventilation pipe 101; and a locking part 3, of which several locking parts 3 are disposed outside the ventilation pipe 101.

[0017] The disassembly / assembly unit 2 includes a compression assembly 21, which is installed inside the ventilation duct 101; and a limiting assembly 22, which is located inside the air cover 102. The compression assembly 21 includes a connecting rod 211 slidably connected to the inner wall of the ventilation duct 101. A spring telescopic rod 212 is fixedly connected to the right inner wall of the connecting rod 211. The left side of the spring telescopic rod 212 is fixedly connected to the ventilation duct 101. A rotating shaft 213 is rotatably connected to the inner wall of the spring telescopic rod 212. Two clamping blocks 214 are rotatably connected to the outer wall of the rotating shaft 213. A spiral spring 215 is fixedly connected to the inner wall of each of the two clamping blocks 214. The inner walls of the two spiral springs 215 are fixedly connected to the rotating shaft 213. The two clamping blocks 214 are circumferentially distributed. The limiting assembly... The component 22 includes two limiting grooves 221 respectively opened on the side of the two clamping blocks 214 that are close to each other. A limiting rod 222 is provided in the two limiting grooves 221. A handle 223 is fixedly connected to the right side of the limiting rod 222. Several positioning components are provided on the left side of the handle 223. The positioning components are arranged in a circle. The positioning components include a positioning rod 224 fixedly connected to the left side of the handle 223. A positioning groove 225 is opened on the right side of the air cover 102. The positioning rod 224 is adapted to the positioning groove 225. By setting the disassembly and assembly part 2, the disassembly and assembly of the mesh can be conveniently realized, avoiding the need to shut down the fan for a long time when replacing the mesh, ensuring the stability of the fan operation, and thus effectively maintaining the overall ventilation efficiency.

[0018] The locking part 3 includes a receiving component 31, which is disposed outside the ventilation pipe 101; and a sliding component 32, which is installed inside the ventilation pipe 101. The receiving component 31 includes a limiting groove 311 formed on the outer wall of the connecting rod 211. The outer wall of the ventilation pipe 101 has a sliding groove 312. Two limiting grooves 313 are formed on the left inner wall of the sliding groove 312. The sliding groove 312 is an arc-shaped groove. The sliding component 32 includes an arc-shaped rod 321 fixedly connected to the inner wall of the sliding groove 312. An arc-shaped spring 322 is sleeved on the outer wall of the arc-shaped rod 321. A limiting member is provided outside the arc-shaped rod 321. The limiting member is located inside the sliding groove 312 and includes a sliding spring 322. The slider 323 is movably connected to the inner wall of the slide groove 312. The side of the arc spring 322 closest to the slider 323 is fixedly connected to the slider 323, and the side of the arc spring 322 away from the slider 323 is fixedly connected to the slide groove 312. A limit block 324 is hinged on the left side of the slider 323. The shape of the limit block 324 is adapted to the two limit grooves 313. The slider 323 is adapted to the limit groove 311. By setting the locking part 3, the relevant components in the ventilation pipe 101 can be firmly locked to prevent them from loosening or shifting during the operation of the fan. This significantly enhances the overall installation stability of the silencing structure and ensures the continuous and reliable operation of the silencing structure.

[0019] A specific application of this embodiment is as follows: In use, the mesh 103 can be placed over the ventilation pipe 101 through the air cover 102, and the air cover 102 can be aligned with the clamp 214. Then, the air cover 102 is placed on the clamp 214, and the air cover 102 is pushed to make it fit against the ventilation pipe 101. At this time, the clamp 214 will completely pass through the air cover 102. Then, the two clamps 214 can be pried open to make them rotate on the rotating shaft 213. At this time, the spiral spring 215 will coil and generate elastic force. Then, the limiting rod 222 can be inserted into the limiting groove 221. Then, the clamp 214 is released, so that under the action of the elastic force of the spiral spring 215, the clamp 214 is driven through the limiting groove 221. Clamp the limiting rod 222, then push the handle 223 to squeeze the clamping block 214, thereby causing the connecting rod 211 to slide into the ventilation pipe 101. At this time, the spring telescopic rod 212 will compress and generate elastic force. When the connecting rod 211 slides into the ventilation pipe 101, the two clamping blocks 214 will slide into the ventilation pipe 101 along with the connecting rod 211. When the handle 223 moves into the air cover 102, the handle 223 can be rotated to drive the positioning rod 224 to rotate, thereby aligning it with the positioning groove 225. Then, the handle 223 can be pushed further to drive the positioning rod 224 to slide into the positioning groove 225. At this time, the left side of the connecting rod 211 will be completely... When the ventilation duct 101 is fully blocked, the limiting block 324 can be engaged to remove it from the limiting groove 313 on the side closer to the arc spring 322. At this point, the elastic force of the arc spring 322 will be unrestricted, and under the action of the elastic force of the arc spring 322, the slider 323 will slide in the slide groove 312 under the action of the arc rod 321, thereby causing the slider 323 to be locked into the limiting groove 311. At this point, the connecting rod 211 will be locked. Then, the limiting block 324 can be engaged into the limiting groove 313 on the side away from the arc spring 322, thus completing the restriction. When disassembly is required, the limiting block 324 can be moved from the limiting groove 313 on the side away from the arc spring 322. The slider 323 is pulled out of the groove 313 and slides in the groove 312. At this time, under the action of the arc rod 321, the arc spring 322 will be compressed and generate elastic force, and the slider 323 will slide out of the limiting groove 2 311. Then, the limiting block 324 can be inserted into the limiting groove 313 near the side of the arc spring 322. When the slider 323 slides out of the limiting groove 2 311, the connecting rod 211 will lose its restriction. At this time, under the action of the elastic force of the spring telescopic rod 212, the disassembly part 2 will be reset. Then the clamp 214 can be pried open and the limiting rod 222 and other related parts can be removed. Then the mesh 103 can be removed through the wind cover 102.

[0020] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0021] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A noise-reducing air outlet silencing structure for a blower, comprising a ventilation pipe (101) and a wind cover (102) disposed on the right side of the ventilation pipe (101), wherein the inner wall of the wind cover (102) is fixedly connected with a mesh (103), characterized in that, Also includes: The disassembly and assembly part (2) is provided in a plurality of parts, and all of the disassembly and assembly parts (2) are provided in the ventilation pipe (101); A locking part (3) is provided in a plurality of such locking parts (3), and all such locking parts (3) are installed outside the ventilation pipe (101); The disassembly / assembly unit (2) includes a compression assembly (21) installed inside the ventilation duct (101); and A limiting component (22) is disposed inside the wind cover (102); The extrusion assembly (21) includes a connecting rod (211) slidably connected to the inner wall of the ventilation pipe (101). A spring telescopic rod (212) is fixedly connected to the inner wall of the right side of the connecting rod (211). The left side of the spring telescopic rod (212) is fixedly connected to the ventilation pipe (101). A rotating shaft (213) is rotatably connected to the inner wall of the spring telescopic rod (212). Two clamping blocks (214) are rotatably connected to the outer wall of the rotating shaft (213). A spiral spring (215) is fixedly connected to the inner wall of each of the two clamping blocks (214). The inner walls of each of the two spiral springs (215) are fixedly connected to the rotating shaft (213). Among them, the two clamping blocks (214) are distributed in a circle.

2. The noise reduction type air outlet silencing structure for a blower according to claim 1, wherein The locking part (3) includes a receiving component (31) disposed outside the ventilation duct (101); and A sliding assembly (32) is installed inside a ventilation duct (101).

3. The noise reduction type air outlet silencing structure for a blower according to claim 2, wherein The limiting component (22) includes two limiting grooves (221) respectively opened on the side of the two clamping blocks (214) close to each other. A limiting rod (222) is provided in the two limiting grooves (221). A handle (223) is fixedly connected to the right side of the limiting rod (222). Several positioning elements are provided on the left side of the handle (223); wherein the several positioning elements are distributed in a circle.

4. The noise reduction type air outlet silencing structure for a blower according to claim 3, wherein The receiving component (31) includes a limiting groove 2 (311) opened on the outer wall of the connecting rod (211), and a sliding groove (312) opened on the outer wall of the ventilation pipe (101). Two limiting grooves 3 (313) are opened on the left inner wall of the sliding groove (312); wherein, the sliding groove (312) is an arc-shaped groove.

5. The noise reduction type air outlet silencing structure for a blower according to claim 4, wherein The sliding assembly (32) includes an arc-shaped rod (321) fixedly connected to the inner wall of the slide groove (312), an arc-shaped spring (322) is sleeved on the outer wall of the arc-shaped rod (321), and a limiting member is provided outside the arc-shaped rod (321); wherein the limiting member is located inside the slide groove (312).

6. The noise reduction type air outlet silencing structure for a blower according to claim 5, wherein The positioning component includes a positioning rod (224) fixedly connected to the left side of the handle (223), and a positioning groove (225) is provided on the right side of the wind cover (102); wherein the positioning rod (224) is adapted to the positioning groove (225).

7. The noise reduction type air outlet silencing structure for a blower according to claim 6, wherein The limiting component includes a slider (323) that is slidably connected to the inner wall of the slide groove (312). The side of the arc spring (322) close to the slider (323) is fixedly connected to the slider (323), and the side of the arc spring (322) away from the slider (323) is fixedly connected to the slide groove (312). A limiting block (324) is hinged to the left side of the slider (323). The shape of the limiting block (324) is adapted to the two limiting grooves three (313), and the slider (323) is adapted to the limiting groove two (311).

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