Air inlet silencing device of acoustic shield

Abstract

The utility model discloses a sound insulation cover air inlet silencing device which comprises an air inlet channel, a stable supporting frame is arranged at the bottom end of the air inlet channel, a sealing assembly for shielding the bottom end of the air inlet channel is arranged in the stable supporting frame in a sliding mode, and a driving piece is arranged on one side of the bottom end of the air inlet channel. A power assembly for providing power for the cleaning assembly is arranged at the top end of the driving piece, and the cleaning assembly is arranged at the bottom end in the air inlet channel in a sliding mode. A brush is arranged on the outer wall of a cleaning roller in the cleaning assembly and can move left and right and rotate in the air inlet channel under cooperation of a driving gear, a smooth rotating rod, a limiting rack and other components, in the working process of the air inlet channel, dust is prone to being accumulated on the inner wall of the channel, the inner wall of the air inlet channel can be completely covered through movement and rotation of the cleaning roller, and the cleaning effect is better. Dust is efficiently cleaned, and the influence of dust accumulation on the ventilation and noise reduction performance of the air inlet channel is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to sound shield technical field, concretely is a sound shield air inlet silencer. BACKGROUND

[0002] In order to prevent outside noise invasion, in the local environment space of noise intensity, build the small room of good sound insulation performance, form the quiet small room or room, protect the hearing of staff, and this sound insulation facility is called sound shield, it is by the metal shell with certain weight and rigidity and not breathable, and the inside additional sound absorption material, the sound insulation and noise reduction device refined through special technology, the outer layer is usually made of 1-2mm thick steel plate, and the inside is coated with damping paint, pitch and other damping layer, the purpose is to prevent anastomosis effect and steel plate low frequency resonance, in order to improve the noise reduction effect, the inner layer is paved with a layer of sound absorption material (such as glass wool, microperforated plate etc.), and the machine and sound shield need to have a gap, and the machine and sound shield support, and the sound shield and foundation should avoid hard connection, and the necessary place should be added to the damper.

[0003] At present, in the operation process of the sound shield air inlet silencer, the air inlet channel plays a key role, however, with the use of the device, dust is easy to accumulate in the inner wall of the air inlet channel, which is due to the fact that a certain amount of dust is carried in the air inlet process, and the internal environment of the air inlet channel provides an attachment surface for the dust, and the accumulation of dust will have many adverse effects on the air inlet channel, on the one hand, the accumulation of dust will increase the air inlet resistance, and the air inlet will become not smooth, when the air inlet resistance increases to a certain extent, the air inlet performance will be seriously affected, and the normal operation of the silencer will be damaged, because stable air inlet is an important prerequisite for ensuring the silencing effect, and abnormal air inlet will lead to the deterioration of the acoustic environment in the sound shield, and the sound insulation demand cannot be met. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a sound shield air inlet silencer to solve the problems in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a sound shield air inlet silencer, comprising an air inlet channel, a stable support frame is arranged at the bottom end of the air inlet channel, a blocking assembly for blocking the bottom end of the air inlet channel is slidably arranged in the stable support frame, a driving element is arranged at one side of the bottom end of the air inlet channel, a power assembly for providing power to the cleaning assembly is arranged at the top end of the driving element, and a cleaning assembly is slidably arranged at the bottom end of the air inlet channel.

[0006] Preferably, the closed assembly comprises a sliding plate, the sliding plate is slidingly arranged in the inside of the stable support frame, the bottom end of the sliding plate is provided with a smooth push hand, the top end of the sliding plate is rotatably provided with a flexible support rod, the top end of the flexible support rod is rotatably provided with a stable baffle, and the stable baffle is slidingly arranged in the inside top end of the stable support frame.

[0007] Preferably, the inside of the stable support frame is provided with a slide way for limiting the moving stroke of the sliding plate and the stable baffle, one side of the top end slide way is provided as an arc shape for driving the stable baffle to move up and down, and one side of the bottom end of the stable support frame is provided with a through hole for dust falling.

[0008] Preferably, the inside of the sliding plate and the stable baffle is provided with a spring for resetting the stable baffle.

[0009] Preferably, the power assembly comprises a driving conical wheel, the driving conical wheel is arranged at the top end of the output shaft of the driving part, one side of the driving conical wheel is engagingly provided with a driven conical wheel, one side of the driven conical wheel is provided with a rotary double screw, and the outer wall of the rotary double screw is provided with a sliding block.

[0010] Preferably, the cleaning assembly comprises a smooth rotating rod, the smooth rotating rod is rotatably arranged at the bottom end of the sliding block, one end of the smooth rotating rod is provided with a driving gear, the outer wall of the smooth rotating rod is provided with a cleaning roller, one end of the inner wall of the air inlet channel is provided with a limiting rack, and the bottom end of the limiting rack is engagingly provided with a driving gear.

[0011] Preferably, the outer wall of the cleaning roller is provided with a brush.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The outer wall of the cleaning roller in the cleaning assembly is provided with a brush, and under the cooperation of the driving gear, the smooth rotating rod, the limiting rack and other components, the cleaning roller can move left and right and rotate in the air inlet channel, in the working process of the air inlet channel, dust is easy to accumulate on the inner wall of the channel, the movement and rotation of the cleaning roller can comprehensively cover the inner wall of the air inlet channel, efficiently clean the dust, and prevent the dust accumulation from affecting the ventilation and sound attenuation performance of the air inlet channel.

[0014] 2. By cleaning the dust in the air inlet channel in time, the problem of increased air inlet resistance caused by dust blockage or adhesion can be avoided, the air inlet of the air inlet channel is ensured to be smooth, stable air inlet performance is crucial for the normal operation of the sound attenuation device, helps to maintain the stability of the sound attenuation effect, and ensures that the acoustic environment in the sound shield cover is always in a good state.

[0015] 3. The cleaning assembly can automatically clean the air inlet channel regularly or in time, reducing the frequency and difficulty of manual cleaning, which not only reduces the maintenance cost, but also avoids the device downtime caused by the air inlet channel dust accumulation problem, improves the overall operation efficiency and economy of the device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is Figure 1 a front view cross-section connection structure schematic diagram;

[0018] Figure 3 It is Figure 1 a side view cross-section connection structure schematic diagram;

[0019] Figure 4 It is Figure 2 an enlarged connection structure schematic diagram of A in the figure;

[0020] Figure 5 It is Figure 3 an enlarged connection structure schematic diagram of B in the figure.

[0021] In the figure: 1, air inlet channel, 2, stable support frame, 3, sliding plate, 4, smooth push hand, 5, flexible support rod, 6, stable baffle, 7, driving part, 8, driving conical wheel, 9, driven conical wheel, 10, rotating double bolt, 11, sliding block, 12, smooth rotating rod, 13, driving gear, 14, cleaning roller, 15, limit rack. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-5 , the utility model provides a kind of technical scheme: a sound cover air inlet sound attenuation device, including air inlet channel 1, the bottom end of air inlet channel 1 is provided with stable support frame 2, stable support frame 2 plays the role of supporting sliding plate 3 and stable baffle 6, the inside of stable support frame 2 is slidably provided with the closed assembly that blocks the bottom end of air inlet channel 1 to block, the bottom end of air inlet channel 1 side is provided with driving part 7, driving part 7 plays the role of driving driving conical wheel 8 rotation, the top end of driving part 7 is provided with the power assembly that provides power to cleaning assembly, the inside bottom end of air inlet channel 1 is slidably provided with cleaning assembly.

[0024] Specifically, the closed assembly includes the sliding plate 3, which is slidingly arranged in the inside of the stable support frame 2, and which serves to drive the bottom end of the flexible support rod 5 to move left and right. The bottom end of the sliding plate 3 is provided with the smooth push hand 4, which serves to drive the sliding plate 3 to move left and right. The top end of the sliding plate 3 is rotatably provided with the flexible support rod 5, which serves to drive the stable baffle 6 to move left and right. The top end of the flexible support rod 5 is rotatably provided with the stable baffle 6, which is slidingly arranged at the top end of the inside of the stable support frame 2, and which serves to close the bottom end through hole of the air inlet channel 1. The inside of the stable support frame 2 is provided with the slide way, which serves to limit the moving stroke of the sliding plate 3 and the stable baffle 6. The top end slide way is provided with an arc-shaped side, which serves to drive the stable baffle 6 to move up and down. The bottom end of the stable support frame 2 is provided with a through hole, which serves to allow the dust to fall. The inside of the sliding plate 3 and the stable baffle 6 is provided with the spring, which serves to reset the stable baffle 6.

[0025] More specifically, the power assembly includes the driving conical wheel 8, which is arranged at the top end of the output shaft of the driving member 7, and which serves to drive the driven conical wheel 9 to rotate. The driving conical wheel 8 is meshingly provided with the driven conical wheel 9 on one side. The driven conical wheel 9 serves to drive the rotating double screw 10 to rotate. The driven conical wheel 9 is provided with the rotating double screw 10 on one side. The rotating double screw 10 drives the sliding block 11 to move left and right through the threads arranged on the outer wall thereof. The outer wall of the rotating double screw 10 is provided with the sliding block 11. The sliding block 11 serves to drive the smooth rotating rod 12 to move left and right.

[0026] More specifically, the cleaning assembly includes the smooth rotating rod 12, which is rotatably arranged at the bottom end of the sliding block 11, and which serves to drive the driving gear 13 to move left and right. One end of the smooth rotating rod 12 is provided with the driving gear 13, which serves to drive the smooth rotating rod 12 to rotate. The outer wall of the smooth rotating rod 12 is provided with the cleaning roller 14, which serves to clean the dust inside the air inlet channel 1. One end of the inner wall of the air inlet channel 1 is provided with the limiting rack 15, and the bottom end of the limiting rack 15 is meshingly provided with the driving gear 13. The limiting rack 15 serves to drive the driving gear 13 to rotate. The outer wall of the cleaning roller 14 is provided with the brush.

[0027] The detailed connection means is a known technology in the art. The working principle and process are mainly described below. The specific work is as follows.

[0028] When the soundproof cover air inlet silencer starts cleaning, the user first moves the smooth push hand 4 to the right, the smooth push hand 4 drives the sliding plate 3 to move to the right, the sliding plate 3 drives the bottom end of the flexible rotating support rod 5 to move to the right, the flexible rotating support rod 5 drives the stable baffle 6 to move downward and to the right through the arc-shaped slide provided in the inner wall of the stable support frame 2, the stable baffle 6 moves downward and to the right to cancel the blocking of the through hole opened at the bottom end of the air inlet channel 1, then the driving member 7 is connected to the external control unit, the driving member 7 drives the driving conical wheel 8 to rotate, the driving conical wheel 8 drives the driven conical wheel 9 to rotate, the driving conical wheel 9 drives the rotating double screw 10 to rotate, the rotating double screw 10 rotates to drive the sliding block 11 to move to the left through the threads provided on the outer wall of the rotating double screw 10, the sliding block 11 drives the smooth rotating rod 12 to move to the left, the smooth rotating rod 12 drives the driving gear 13 to move to the left, the driving gear 13 moves to the left to drive the driving gear 13 to rotate through the limiting of the limiting rack 15, the driving gear 13 drives the smooth rotating rod 12 to rotate along the axial direction of the smooth rotating rod 12, the smooth rotating rod 12 drives the cleaning roller 14 to rotate along the axial direction of the smooth rotating rod 12 while driving the cleaning roller 14 to move to the left, the cleaning roller 14 rotates while moving to the left to clean the dust inside the air inlet channel 1 to the top end of the through hole at the bottom end of the air inlet channel 1, and the dust is cleaned out of the air inlet channel 1 through its own gravity.

[0029] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A sound cover air inlet silencer device, comprising an air inlet channel (1), characterized in that, The bottom end of the air inlet channel (1) is provided with a stable support frame (2), the inside of the stable support frame (2) is slidably provided with a closing assembly for shielding the bottom end of the air inlet channel (1), one side of the bottom end of the air inlet channel (1) is provided with a driving member (7), the top end of the driving member (7) is provided with a power assembly for providing power to a cleaning assembly, and the inside bottom end of the air inlet channel (1) is slidably provided with the cleaning assembly.

2. The sound cover inlet sound attenuation device according to claim 1, characterized in that, The closing assembly comprises a sliding plate (3) which is slidably arranged in the inside of the stable support frame (2), the bottom end of the sliding plate (3) is provided with a smooth push hand (4), the top end of the sliding plate (3) is rotatably provided with a flexible support rod (5), the top end of the flexible support rod (5) is rotatably provided with a stable baffle (6), and the stable baffle (6) is slidably arranged at the inside top end of the stable support frame (2).

3. The sound cover inlet sound attenuation device according to claim 2, characterized in that, The inside of the stable support frame (2) is provided with a slide way for limiting the movement stroke of the sliding plate (3) and the stable baffle (6), one side of the top end slide way is provided with an arc shape for driving the stable baffle (6) to move up and down, and one side of the bottom end of the stable support frame (2) is provided with a through hole for dust falling.

4. The sound cover inlet sound attenuation device according to claim 2, characterized in that, The inside of the sliding plate (3) and the stable baffle (6) is provided with a spring for resetting the stable baffle (6).

5. The sound cover intake silencer according to claim 1, wherein, The power assembly comprises a driving conical wheel (8) which is arranged at the top end of the output shaft of the driving member (7), one side of the driving conical wheel (8) is engagedly provided with a driven conical wheel (9), one side of the driven conical wheel (9) is provided with a rotary double bolt (10), and the outer wall of the rotary double bolt (10) is provided with a sliding block (11).

6. The sound cover inlet sound attenuation device according to claim 1, characterized in that, The cleaning assembly comprises a smooth rotating rod (12) which is rotatably arranged at the bottom end of the sliding block (11), one end of the smooth rotating rod (12) is provided with a driving gear (13), the outer wall of the smooth rotating rod (12) is provided with a cleaning roller (14), one end of the inner wall of the air inlet channel (1) is provided with a limiting rack (15), and the bottom end of the limiting rack (15) is engagedly provided with the driving gear (13).

7. The sound cover air inlet silencer according to claim 6, characterized in that, The outer wall of the cleaning roller (14) is provided with a brush.

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