Welding silencer of air filter

Abstract

The utility model provides a welding silencer of an air filter, and relates to the technical field of air filters. The welding silencing device of the air filter comprises an upper shell, a mounting plate is formed on one side of the upper shell, an air outlet pipe is formed on one side of the upper shell, a pressing plate is arranged in the upper shell, a protruding part is integrally formed on one side of the pressing plate, a limiting frame is fixedly connected to one side of the pressing plate, and silencing cotton is arranged in the limiting frame. According to the welding silencing device of the air filter, the silencing cotton is limited and fixed, the pressing plate and the protruding part are fixed through the upper shell, the limiting frame is fixed, the silencing cotton is positioned, when airflow passes through the air filter assembly and flows through the surface of the silencing cotton, the silencing and noise reduction functions are achieved, the structure is simple, space is saved, and practicability is high. The pressing plate and the silencing cotton are provided with inflection points, the air outlet pipe corresponds to the inflection points of the pressing plate and the silencing cotton, the pressing plate can be conveniently installed, the installation space is saved, and the size is reduced.

Description

Technical Field

[0001] The utility model relates to a silencer device, in particular to a welding silencer device for an air filter, belonging to the technical field of air filters. Background Art

[0002] The air filter is a very important part of the automobile intake system. Its main function is to filter out impurities or dust in the air so that clean air can enter the cylinder. Fuel combustion requires a lot of air. If impurities or dust are not filtered out, the wear of the cylinder will be accelerated and the service life of the engine will be shortened. In addition, the air filter can also reduce the intake noise.

[0003] Due to the limited space on the side of the engine, in order to avoid other components, the air filter is generally irregular in shape. In order to achieve a certain volume, the air filter occupies a larger space. The noise of the vehicle in operation is reduced by designing the silencer cavity structure or using silencer materials. This makes the structure of the air filter device more complicated and the cost higher. In addition, the fixing and installation of the silencer structure are more complicated, which is not convenient for inspection and replacement. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] The purpose of the utility model is to provide a welding silencer for an air filter in order to solve the above-mentioned problems, so as to solve the problems in the prior art that the structure of the air filter device is relatively complex, the cost is high, the fixing and installation of the silencer structure are relatively complex, and it is not convenient to repair and replace.

[0006] (II) Technical solution

[0007] The utility model is implemented through the following technical scheme: a welding silencer device for an air filter comprises an upper shell, a mounting plate is formed on one side of the upper shell, an air outlet pipe is formed on one side of the upper shell, a pressure plate is arranged inside the upper shell, a protrusion is integrally formed on one side of the pressure plate, a limiting frame is fixedly connected to one side of the pressure plate, and silencer cotton is arranged inside the limiting frame.

[0008] Preferably, a plurality of silencer cavities are provided inside the upper shell to facilitate sound absorption and reduce noise. A plurality of support plates are formed on the inner wall of the upper shell to support the upper shell and improve the stability of the upper shell.

[0009] Preferably, the pressing plate and the top of the raised portion are formed with a plurality of fixing sleeves, and positioning screws are arranged inside the plurality of fixing sleeves, so that the positioning screws are inserted into the fixing sleeves to position the pressing plate and the raised portion, thereby fixing the pressing plate.

[0010] Preferably, a plurality of support seats are formed on one side of the upper shell, and positioning rods are formed inside the plurality of support seats, so that the support seats support the plurality of positioning rods, thereby improving the stability of the positioning rods.

[0011] Preferably, the multiple positioning rods are respectively adapted to the multiple fixing sleeves, and the multiple positioning screws respectively penetrate the multiple positioning rods and are threadedly connected to the multiple positioning rods, so that the fixing sleeves are arranged on the outside of the positioning rods and the fixing sleeves are positioned, and the positioning screws are inserted into the interior of the positioning rods and are threadedly connected to the positioning rods to position the fixing sleeves, thereby fixing the pressure plate and the protrusion.

[0012] Preferably, a plurality of reinforcing ribs are formed at the bottom of the mounting plate, and the plurality of reinforcing ribs are all arranged on the outside of the upper shell and fixedly connected to the upper shell to improve the stability of the upper shell, and a reinforcing plate is formed on the outside of the air outlet pipe to increase the strength of the air outlet pipe.

[0013] Preferably, one end of the air outlet pipe is arranged inside the upper shell, and the pressure plate and the silencer cotton are provided with an inflection point, and the air outlet pipe corresponds to the inflection point of the pressure plate and the silencer cotton, so as to facilitate the installation of the pressure plate.

[0014] The utility model provides a welding silencer for an air filter, which has the following beneficial effects:

[0015] 1. The welding silencer device of the air filter is provided by placing silencer cotton inside the pressure plate and the raised portion, and placing the pressure plate and the raised portion inside the upper shell body, a plurality of fixing sleeves correspond to a plurality of positioning rods, and the positioning rods are inserted into the plurality of fixing sleeves so that the positioning rods position the fixing sleeves, and then the positioning screws are inserted into the fixing sleeves and the positioning rods so that the positioning screws are threadedly connected with the positioning rods, so that the positioning screws position the positioning rods, thereby fixing the positions of the pressure plate and the raised portion, and then limiting the silencer cotton, fixing the silencer cotton, fixing the pressure plate and the raised portion through the upper shell body, and fixing the limiting frame, positioning the silencer cotton, and when the airflow passes through the air filter assembly and flows through the surface of the silencer cotton, it has the function of silencing and reducing noise, has a simple structure, and saves space.

[0016] 2. The welding silencer device of the air filter, one end of the air outlet pipe is arranged inside the upper shell body, the pressure plate and the silencer cotton are provided with an inflection point, the air outlet pipe corresponds to the inflection point of the pressure plate and the silencer cotton, which is convenient for installing the pressure plate, saving installation space and reducing volume, a plurality of reinforcing ribs are formed on the bottom of the mounting plate, and the plurality of reinforcing ribs are all arranged on the outside of the upper shell body and fixedly connected to the upper shell body to improve the stability of the upper shell body, a reinforcing plate is formed on the outside of the air outlet pipe to increase the strength of the air outlet pipe, a plurality of silencer cavities are opened inside the upper shell body to facilitate sound absorption and reduce noise, a plurality of support plates are formed on the inner wall of the upper shell body to support the upper shell body and improve the stability of the upper shell body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the upper shell of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the pressing plate of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the limit frame of the utility model;

[0021] Figure 5 It is a structural schematic diagram of the positioning rod of the utility model.

[0022]

Main component symbol description

[0023] 1. Upper shell; 2. Mounting plate; 3. Exhaust pipe; 4. Pressing plate; 5. Raised part; 6. Limiting frame; 7. Silencing cotton; 8. Fixing sleeve; 9. Positioning screw; 10. Support seat; 11. Positioning rod; 12. Silencing chamber; 13. Support plate; 14. Reinforcing ribs; 15. Reinforcing plate. DETAILED DESCRIPTION

[0024] The utility model embodiment provides a welding silencer device for an air filter.

[0025] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5, including an upper shell 1, a mounting plate 2 is formed on one side of the upper shell 1, an air outlet pipe 3 is formed on one side of the upper shell 1, a pressing plate 4 is arranged inside the upper shell 1, a protrusion 5 is integrally formed on one side of the pressing plate 4, a limiting frame 6 is fixedly connected to one side of the pressing plate 4, a sound-absorbing cotton 7 is arranged inside the limiting frame 6, a plurality of sound-absorbing cavities 12 are opened inside the upper shell 1, which are convenient for sound absorption and noise reduction, a plurality of supporting plates 13 are formed on the inner wall of the upper shell 1 to support the upper shell 1 and improve the stability of the upper shell 1, a plurality of fixing sleeves 8 are formed on the top of the pressing plate 4 and the protrusion 5, and a plurality of positioning screws 9 are arranged inside the plurality of fixing sleeves 8, so that the positioning screws 9 are inserted into the fixing sleeve 8 to position the pressing plate 4 and the protrusion 5, thereby fixing the pressing plate 4, a plurality of supporting seats 10 are formed on one side of the upper shell 1, and a positioning rod 11 is formed inside the plurality of supporting seats 10, so that the support seat 10 can position the plurality of positioning rods 11 The support is provided to improve the stability of the positioning rod 11. The plurality of positioning rods 11 are respectively matched with the plurality of fixing sleeves 8. The plurality of positioning screws 9 respectively penetrate the plurality of positioning rods 11 and are threadedly connected with the plurality of positioning rods 11, so that the fixing sleeve 8 is sleeved on the outside of the positioning rod 11 and the fixing sleeve 8 is positioned. The positioning screw 9 is inserted into the interior of the positioning rod 11 and is threadedly connected with the positioning rod 11 to position the fixing sleeve 8, so as to fix the pressing plate 4 and the protrusion 5. The bottom of the mounting plate 2 is formed with a plurality of reinforcing ribs 14, and the plurality of reinforcing ribs 14 are all arranged on the outside of the upper shell 1 and are fixedly connected to the upper shell 1 to improve the stability of the upper shell 1. A reinforcing plate 15 is formed on the outside of the air outlet pipe 3 to increase the strength of the air outlet pipe 3. One end of the air outlet pipe 3 is arranged inside the upper shell 1. The pressing plate 4 and the silencer cotton 7 are provided with inflection points. The air outlet pipe 3 corresponds to the inflection points of the pressing plate 4 and the silencer cotton 7, so as to facilitate the installation of the pressing plate 4.

[0026] When the utility model is in use: by placing the silencer cotton 7 inside the pressure plate 4 and the raised portion 5, and placing the pressure plate 4 and the raised portion 5 inside the upper shell 1, a plurality of fixing sleeves 8 correspond to a plurality of positioning rods 11, and the positioning rods 11 are inserted into the plurality of fixing sleeves 8, so that the positioning rods 11 position the fixing sleeves 8, and then the positioning screws 9 are inserted into the fixing sleeves 8 and the positioning rods 11, so that the positioning screws 9 are threadedly connected with the positioning rods 11, so that the positioning screws 9 position the positioning rods 11, thereby fixing the positions of the pressure plate 4 and the raised portion 5, and then limiting the silencer cotton 7, fixing the silencer cotton 7, fixing the pressure plate 4 and the raised portion 5 through the upper shell 1, and fixing the limiting frame 6, positioning the silencer cotton 7, when the airflow passes through the air filter assembly and flows through the surface of the silencer cotton 7, it plays the function of silencing and reducing noise, with a simple structure and space saving.

[0027] One end of the air outlet pipe 3 is arranged inside the upper shell 1, and the pressure plate 4 and the silencer cotton 7 are provided with inflection points. The air outlet pipe 3 corresponds to the inflection points of the pressure plate 4 and the silencer cotton 7, which is convenient for installing the pressure plate 4. A plurality of reinforcing ribs 14 are formed at the bottom of the mounting plate 2. The plurality of reinforcing ribs 14 are all arranged on the outside of the upper shell 1 and fixedly connected to the upper shell 1 to improve the stability of the upper shell 1. A reinforcing plate 15 is formed on the outside of the air outlet pipe 3 to increase the strength of the air outlet pipe 3. A plurality of silencer cavities 12 are opened inside the upper shell 1 to facilitate sound absorption and reduce noise. A plurality of support plates 13 are formed on the inner wall of the upper shell 1 to support the upper shell 1 and improve the stability of the upper shell 1.

[0028] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A welding silencer for an air filter, comprising an upper shell (1), Features: A mounting plate (2) is formed on one side of the upper shell (1), an air outlet pipe (3) is formed on one side of the upper shell (1), a pressure plate (4) is arranged inside the upper shell (1), a protrusion (5) is integrally formed on one side of the pressure plate (4), a limiting frame (6) is fixedly connected to one side of the pressure plate (4), and a sound-absorbing cotton (7) is arranged inside the limiting frame (6).

2. The welding silencer device for an air filter according to claim 1, Features: A plurality of silencer cavities (12) are provided inside the upper shell (1), and a plurality of support plates (13) are formed on the inner wall of the upper shell (1).

3. The welding silencer of an air filter according to claim 1, Features: A plurality of fixing sleeves (8) are formed on the top of the pressing plate (4) and the raised portion (5), and positioning screws (9) are arranged inside the plurality of fixing sleeves (8).

4. The welding silencer device for an air filter according to claim 3, Features: A plurality of support seats (10) are formed on one side of the upper shell (1), and positioning rods (11) are formed inside the plurality of support seats (10).

5. The welding silencer device for an air filter according to claim 4, Features: The plurality of positioning rods (11) are respectively matched with the plurality of fixing sleeves (8), and the plurality of positioning screws (9) respectively penetrate the plurality of positioning rods (11) and are threadedly connected with the plurality of positioning rods (11).

6. The welding silencer device for an air filter according to claim 1, Features: A plurality of reinforcing ribs (14) are formed on the bottom of the mounting plate (2), the plurality of reinforcing ribs (14) are all arranged on the outside of the upper shell (1) and are fixedly connected to the upper shell (1), and a reinforcing plate (15) is formed on the outside of the air outlet pipe (3).

7. The welding silencer device for an air filter according to claim 1, Features: One end of the air outlet pipe (3) is arranged inside the upper shell (1), and the pressure plate (4) and the sound-absorbing cotton (7) are provided with inflection points, and the air outlet pipe (3) corresponds to the inflection points of the pressure plate (4) and the sound-absorbing cotton (7).

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