Silencer shielding box

By using a combination of mesh silencer cotton and tilted partitions in the silencer shield box, the existing silencer shield box is solved, which has inconvenient installation, high maintenance costs and low space utilization efficiency, achieving more efficient silence effect and longer service life.

CN222895297UActive Publication Date: 2025-05-23HUZHOU JIAYUAN PURIFYING EQUIP CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421814466.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-30
Publication Date
2025-05-23
Estimated Expiration
2034-07-30

AI Technical Summary

Technical Problem

When using the existing muffler shield box, the sound-absorbing cotton layer and sound-absorbing cotton need to be designed and installed accurately, resulting in inconvenient installation, high maintenance costs and low space utilization efficiency, resulting in limited silence effect.

Method used

A muffler shield box is designed, and a combination of mesh muffler and an inclined partition is used to perform muffler operation. The air is transmitted to the inside of the muffler body through the first conveying pipe and connected to the heater through the second conveying pipe to improve the air treatment efficiency.

Benefits of technology

Through the coordination of mesh silencer cotton and partition, the noise intensity is effectively reduced, space utilization is improved, maintenance costs are reduced, and the practicality and service life of the silencer are improved.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222895297U_ABST
    Figure CN222895297U_ABST
Patent Text Reader

Abstract

The utility model discloses a silencer shielding box. The silencer shielding box comprises a shielding box body. One end of the shielding box body is provided with an air inlet, the interior of the air inlet is connected with a filter box through a first connecting pipeline, the filter box is connected with a first conveying pipeline through a second connecting pipeline, the first conveying pipeline is connected to one end of the silencer body, and mesh silencing cotton is arranged in the silencer body. A partition plate is installed in the silencer body and arranged in an inclined mode, the output end of the silencer body is connected with a second conveying pipeline, and the second conveying pipeline is connected with a heater through a third pipeline. According to the silencer shielding box, air is transmitted into the silencer body, silencing operation is carried out through cooperation of the mesh silencing cotton arranged in the silencer body and the partition plates, noise generated due to uneven airflow is reduced through the obliquely-arranged partition plates, and the space utilization rate in the silencer body is increased.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field related to a muffler shielding box, in particular to a muffler shielding box. Background Art

[0002] In order to prevent pollutants in the gas from impacting nearby equipment and prevent impurities from splashing onto the human body when passing by, and to ensure the safety of operators, a silencer shielding box is needed to process the air. However, the existing silencer shielding box still has certain defects when used, such as;

[0003] For example, a low-frequency silencer box for a fresh air system with publication number CN215523719U includes a box body and a silencer core. The silencer core is tubular, with the middle section of the silencer core located in the box body and both ends passing through the box body for air to enter and exit the silencer box; the middle section of the silencer core is an inner and outer double-layer structure with micropores on both the inner and outer layers, and a sound-absorbing cotton layer is arranged between the outer side of the silencer core and the box body; the inner wall of the box body is coated with sound insulation cotton, and the sound-absorbing effect is significant. The high-frequency noise generated by the fresh air system is reduced to below decibels, and the low-frequency noise can reach below decibels. The silencer box has small wind resistance, the energy consumption of the fresh air system is low, the silencer box occupies a small volume, and has few restrictions on the installation position, and has a wider applicability.

[0004] However, the low-frequency silencer of the fresh air system still has the following disadvantages in actual use:

[0005] The sound-absorbing cotton layer and the sound-insulating cotton are used to perform the sound-absorbing operation. In actual use, the sound-absorbing cotton layer and the sound-insulating cotton need to comprehensively consider the characteristics of the two materials and be precisely designed and installed, which makes the overall installation inconvenient and increases the overall maintenance cost. In addition, the sound-absorbing cotton layer and the sound-insulating cotton are arranged on the inside of the sound-absorbing box, and the overall space utilization efficiency is low, which leads to limited sound-absorbing effect and reduces the overall practicality.

[0006] In view of the above problems, it is urgent to carry out innovative design based on the original silencer shielding box. Therefore, we proposed that the silencer shielding box can solve the above problems well. Utility Model Content

[0007] The purpose of the utility model is to provide a silencer shielding box to solve the problem proposed in the above background technology that the sound silencing operation is currently carried out in the market through the cooperation of sound-absorbing cotton layers and sound-insulating cotton. In actual use, the sound-absorbing cotton layers and sound-insulating cotton need to comprehensively consider the characteristics of the two materials and be accurately designed and installed, which makes the overall installation inconvenient and increases the overall maintenance cost. In addition, the sound-absorbing cotton layers and sound-insulating cotton are arranged on the inside of the silencer box, and the overall space utilization efficiency is low, which leads to limited sound silencing effect and reduces the overall practicality.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a muffler shielding box, comprising a shielding box body;

[0009] An air inlet is provided at one end of the shielding box body, and a filter box is connected to the air inlet through a first connecting pipe, and the filter box is connected to a first delivery pipe through a second connecting pipe, and the first delivery pipe is connected to one end of the silencer body, and mesh silencer cotton is arranged inside the silencer body, and a partition is installed inside the silencer body, and the partition is arranged at an angle, and the output end of the silencer body is connected to a second delivery pipe, and the second delivery pipe is connected to a heater through a third pipe, and the output end of the heater is connected to a fourth pipe, and the fourth pipe is installed on the air outlet, and the air outlet is provided at the other end of the shielding box body.

[0010] Preferably, the side end of the muffler body is connected to the inside of the shielding box body through an auxiliary component, and the auxiliary component includes a clamping plate installed on the side end of the muffler body.

[0011] Preferably, the side end of the clamping plate is connected to a support seat via a first screw, the support seat is installed inside the shielding box body, and a buffer is provided on the support seat.

[0012] Preferably, a filter assembly is installed inside the filter box, and the filter assembly includes a filter plate arranged inside the filter box, and sliders are installed at both ends of the filter plate. The sliders are adapted to slide grooves, and the slide grooves are arranged inside the filter box.

[0013] Preferably, a box cover is provided on the top of the shielding box body, and a first clamping block is connected through the box cover, and the first clamping block is clamped on the top of the filter box.

[0014] Preferably, a shaking assembly is arranged inside the shielding box body, and the shaking assembly comprises a supporting plate installed inside the shielding box body.

[0015] Preferably, the support plate is fixed to the inner bottom of the shielding box body by a second screw, and a placement plate is connected to the support plate by a spring, and the placement plate is arranged at the bottom of the filter box.

[0016] Preferably, a second clamping block is provided at the side end of the box cover, the second clamping block is matched with a buckle, and the buckle is connected to the side end of the shielding box body through a rotating member.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the muffler shielding box transmits air to the inside of the muffler body, performs silencing operation through the cooperation of the mesh muffler cotton and the partition arranged inside the muffler body, and the inclined partition reduces the noise generated by uneven airflow, thereby improving the space utilization rate inside the muffler body. The specific contents are as follows:

[0018] The mesh silencer cotton and the baffle set inside the silencer body work together to perform the silencer operation. The sound waves will enter the silencer body and be reflected and refracted multiple times, which is convenient for reducing the intensity of the noise and reduces the problem of increased costs caused by the need for complex design;

[0019] The auxiliary components facilitate the installation and disassembly of the muffler body, making it easy to replace the muffler body, reducing the problem of increased maintenance costs caused by setting a more complex structure, and increasing the service life of the muffler body;

[0020] The filter plate of the filter assembly is convenient for isolating dust in the air, reducing the noise problem caused by dust particles in the air during transportation, and the filter plate is easy to install and disassemble, which greatly improves the overall practicality;

[0021] When the spring of the shaking assembly shakes, it is convenient to shake off the dust on the filter plate inside the filter box, thereby improving the overall filtering effect and reducing the clogging problem caused by too much dust on the filter plate;

[0022] The buckle is driven to rotate by the rotating member, so that the buckle cooperates with the second clamping block to fix the box cover on the top of the shielding box body, which is convenient for operation when the parts inside the shielding box body need to be replaced, thereby increasing the overall service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the internal structure of the shielding box body of the utility model;

[0025] Figure 3 This is a schematic diagram of the structure of the muffler body of the utility model;

[0026] Figure 4 This is a schematic diagram of the internal structure of the muffler body of the utility model;

[0027] Figure 5 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0028] Figure 6 This is a schematic diagram of the internal cutaway structure of the filter box of the utility model;

[0029] Figure 7 This is a schematic diagram of the connection structure between the support plate and the spring of the utility model.

[0030] In the figure: 1. Shielding box body; 2. Air inlet; 3. First connecting pipe; 4. Filter box; 5. Second connecting pipe; 6. First delivery pipe; 7. Muffler body; 8. Mesh silencer cotton; 9. Partition; 10. Second delivery pipe; 11. Third pipe; 12. Heater; 13. Fourth pipe; 14. Air outlet; 15. Clamping plate; 16. Support seat; 17. First screw; 18. Buffer; 19. Filter plate; 20. Slider; 21. Slide; 22. Box cover; 23. First clamp; 24. Storage plate; 25. Spring; 26. Support plate; 27. Second screw; 28. Second clamp; 29. ​​Rotating member; 30. Buckle. DETAILED DESCRIPTION

[0031] 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.

[0032] Embodiment 1:

[0033] In this embodiment, in order to improve the overall space utilization, the silencer body 7 is used to reduce the problem of limited silencing effect caused by low space utilization. Figure 1-Figure 4The technical solution shown in the figure comprises a shielding box body 1, an air inlet 2 is provided at one end of the shielding box body 1, a filter box 4 is connected to the air inlet 2 through a first connecting pipe 3, the filter box 4 is connected to a first delivery pipe 6 through a second connecting pipe 5, the first delivery pipe 6 is connected to one end of a muffler body 7, a mesh silencer cotton 8 is provided inside the muffler body 7, a partition 9 is installed inside the muffler body 7, and the partition 9 is inclined, a second delivery pipe 10 is connected to the output end of the muffler body 7, the second delivery pipe 10 is connected to a heater 12 through a third pipe 11, and the heater The output end 12 is connected to a fourth pipe 13, which is installed on an air outlet 14. The air outlet 14 is opened at the other end of the shielding box body 1. The shielding box body 1 is conveniently moved to a desired position through a roller at the bottom, and the external pipe is connected using the air inlet 2. The air to be treated is transported to the inside of the filter box 4 through the first connecting pipe 3, and is transmitted to the inside of the muffler body 7 through the cooperation of the second connecting pipe 5 and the first conveying pipe 6. The mesh muffler cotton 8 arranged inside the muffler body 7 is convenient for muffler operation. When sound waves in the air pass through the mesh muffler cotton 8, the sound waves will The sound energy enters the pores of the sound-absorbing cotton and is reflected and refracted multiple times inside the material. At this time, the sound energy is gradually converted into heat energy and absorbed, thereby effectively reducing the intensity of the noise. The porous structure of the mesh sound-absorbing cotton 8 provides a large surface area, which increases the propagation path and reflection times of the sound waves in the mesh sound-absorbing cotton 8, further improving the absorption efficiency of the sound energy. The partition 9 arranged inside the silencer body 7 changes the propagation path of the sound waves, causing the sound waves to be reflected and interfered multiple times between the partitions 9, thereby weakening the intensity of the sound waves, thereby achieving the effect of silencing. The inclined partition 9 can guide The airflow makes the airflow more evenly distributed inside the muffler body 7, reduces the noise caused by uneven airflow, improves the space utilization inside the muffler body 7, improves the overall practicality, greatly improves the overall silencing efficiency, and is easy to install and disassemble, reducing the problem of increased costs due to complex design. The gas is transported to the inside of the heater 12 through the cooperation of the second delivery pipe 10 and the third pipe 11, and the air is heated by the heater 12. The heated air is transported through the cooperation of the fourth pipe 13 and the air outlet 14, which improves the overall practicality.

[0034] Embodiment 2:

[0035] In this embodiment, in order to reduce the overall use cost, the auxiliary components are used to reduce the problem of increased maintenance costs caused by setting a more complex structure. Figure 2 and Figure 5As shown, the side end of the silencer body 7 is connected to the inside of the shielding box body 1 through an auxiliary component, and the auxiliary component includes a clamping plate 15 installed at the side end of the silencer body 7, and the side end of the clamping plate 15 is connected to a support seat 16 through a first screw 17, and the support seat 16 is installed on the inner side of the shielding box body 1, and a buffer member 18 is arranged on the support seat 16. A filter assembly is installed inside the filter box 4, and the filter assembly includes a filter plate 19 arranged inside the filter box 4. Slide blocks 20 are installed at both ends of the filter plate 19, and the slide blocks 20 are adapted to the slide grooves 21, and the slide grooves 21 are arranged on the inner side of the filter box 4. A box cover 22 is arranged on the top of the shielding box body 1, and a first clamping block 23 is connected through the box cover 22, and the first clamping block 23 is clamped on the top of the filter box 4. The silencer body 7 is fixed by the clamping plate 15, and at this time, the clamping plate 15 can be tightened using the first screw 17 on the support seat 16. The installation and disassembly are carried out so that the silencer body 7 is easy to replace, which makes the overall maintenance simple and convenient, and reduces the problem of increased maintenance costs caused by setting up a more complex structure. The buffer member 18 arranged on the support seat 16 is convenient for buffering external forces, reducing the damage problem caused by the silencer body 7 being affected inside the shielding box body 1, and improving the service life of the silencer body 7. When the air is transported to the inside of the filter box 4, the filter plate 19 inside the filter box 4 is convenient for isolating the dust in the air, reducing the problem of noise generated by dust particles in the air during transportation, and when the filter plate 19 needs to be replaced, the first block 23 on the box cover 22 can be taken out, which facilitates the slider 20 set on the side end of the filter plate 19 to slide out from the inside of the slide groove 21, so that the filter plate 19 is easy to install and disassemble, so that the overall practicality is greatly improved.

[0036] Embodiment three:

[0037] In this embodiment, in order to improve the overall silencing effect, a shaking component is used to reduce the problem of poor silencing effect caused by noise generated by dust particles in the air during transportation. Figure 1 , Figure 2 , Figure 6 and Figure 7As shown, a shaking assembly is arranged inside the shielding box body 1, and the shaking assembly includes a support plate 26 installed inside the shielding box body 1, and the support plate 26 is fixed to the bottom of the shielding box body 1 by a second screw 27, and a storage plate 24 is connected to the support plate 26 by a spring 25, and the storage plate 24 is arranged at the bottom of the filter box 4, and a second clamping block 28 is arranged at the side end of the box cover 22, and the second clamping block 28 is adapted to the buckle 30, and the buckle 30 is connected to the side end of the shielding box body 1 by a rotating member 29, and the filter box 4 is placed on the storage plate 24, which is convenient for support by the spring 25 at the bottom of the storage plate 24, and the spring 25 is arranged to greatly improve the overall stability, and the spring 25 is convenient for the filter box to be shaken. 4, the dust on the filter plate 19 inside is shaken off, which improves the overall filtering effect, and the spring 25 is installed on the support plate 26, and the support plate 26 is installed inside the shielding box body 1 through the second screw 27, which is convenient for installation and disassembly, so that the overall service life is greatly improved, and the box cover 22 is convenient for limiting, and the buckle 30 is driven to rotate by the rotating member 29, so that the box cover 22 is fixed to the top of the shielding box body 1 by the cooperation of the buckle 30 and the second clamping block 28, which is convenient for the parts inside the shielding box body 1 to be replaced when they need to be replaced, thereby improving the overall service life. The contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0038] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A muffler shielding box, comprising a shielding box body (1); It is characterized in that Also includes: An air inlet (2) is provided at one end of the shielding box body (1); a filter box (4) is connected to the air inlet (2) via a first connecting pipe (3); the filter box (4) is connected to a first delivery pipe (6) via a second connecting pipe (5); the first delivery pipe (6) is connected to one end of a muffler body (7); a mesh muffler cotton (8) is provided inside the muffler body (7); a partition (9) is installed inside the muffler body (7), and the partition (9) is arranged in an inclined manner; an output end of the muffler body (7) is connected to a second delivery pipe (10); the second delivery pipe (10) is connected to a heater (12) via a third pipe (11); an output end of the heater (12) is connected to a fourth pipe (13); the fourth pipe (13) is installed on an air outlet (14); and the air outlet (14) is provided at the other end of the shielding box body (1).

2. A muffler shielding box according to claim 1, characterized in that: The side end of the muffler body (7) is connected to the inside of the shielding box body (1) via an auxiliary component, and the auxiliary component comprises a clamping plate (15) mounted on the side end of the muffler body (7).

3. A muffler shielding box according to claim 2, characterized in that: The side end of the clamping plate (15) is connected to a support seat (16) via a first screw (17); the support seat (16) is mounted on the inner side of the shielding box body (1); and a buffer member (18) is provided on the support seat (16).

4. The muffler shielding box according to claim 1, characterized in that: A filter assembly is installed inside the filter box (4), and the filter assembly comprises a filter plate (19) arranged inside the filter box (4). Slide blocks (20) are installed at both ends of the filter plate (19), and the slide blocks (20) are matched with slide grooves (21). The slide grooves (21) are arranged inside the filter box (4).

5. The muffler shielding box according to claim 1, characterized in that: A box cover (22) is provided on the top of the shielding box body (1), a first clamping block (23) is connected through the box cover (22), and the first clamping block (23) is clamped on the top of the filter box (4).

6. The muffler shielding box according to claim 1, characterized in that: A shaking component is arranged inside the shielding box body (1), and the shaking component comprises a supporting plate (26) installed inside the shielding box body (1).

7. The muffler shielding box according to claim 6, characterized in that: The support plate (26) is fixed to the bottom of the shielding box body (1) by means of a second screw (27); a storage plate (24) is connected to the support plate (26) by means of a spring (25); and the storage plate (24) is arranged at the bottom of the filter box (4).

8. The muffler shielding box according to claim 5, characterized in that: A second clamping block (28) is provided at the side end of the box cover (22), the second clamping block (28) is matched with a buckle (30), and the buckle (30) is connected to the side end of the shielding box body (1) via a rotating member (29).

Citation Information

Patent Citations

  • Low-frequency silencing box of fresh air system

    CN215523719U