Air inlet hush pipe structure with noise reduction function
By designing the silencer structure of the arc hole, arc cover and corrugated intake pipe, the problem of impurity accumulation and blockage in the intake silencer is solved, and convenient disassembly and replacement are achieved, which reduces noise and improves the silencer effect.
Patent Information
- Application Number
- CN202520272097.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2035-02-20
AI Technical Summary
In the existing air intake silencer, impurities such as dust and oil easily accumulate and cause pipe blockage, and are difficult to clean and replace.
A silencer pipe structure with an arc hole and an arc cover is designed, with a disc and a pipe inside, equipped with a sound insulation layer and a corrugated air intake pipe, which facilitates the removal and replacement of the pipe. The sealing is achieved by connecting the arc groove and the arc plate, and the arc plate and sealing gasket are used for sealing.
It realizes convenient pipe disassembly and replacement, reduces noise and vibration frequency, improves the silencer effect, and prevents pipe blockage.
Smart Images
Figure CN223469357U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile mosquito net, especially a kind of intake muffler structure with noise reduction function. BACKGROUND
[0002] The intake muffler with noise reduction function is usually used to reduce the noise of automobile or mechanical equipment during operation. The design of such muffler can effectively reduce the noise generated by engine or mechanical operation, and improve the overall comfort.
[0003] The existing intake muffler usually has multiple pipe with holes inside. During long time intake process, dust, oil stains and other impurities may enter the muffler with airflow, and long-term accumulation may cause pipe blockage. Since the pipe is located inside the intake muffler, it is not convenient to clean and replace it. Therefore, an intake muffler structure with noise reduction function is needed to solve the above problems. UTILITY MODEL CONTENTS
[0004] The utility model aims at solving the problem that in the prior art, during long time intake process, dust, oil stains and other impurities may enter the muffler with airflow, and long-term accumulation may cause pipe blockage, and the pipe is located inside the intake muffler, which is not convenient to clean and replace. Therefore, an intake muffler structure with noise reduction function is proposed.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: an intake muffler structure with noise reduction function, comprising a muffler body, an arc hole is formed in the top of the muffler body, an arc cover is arranged inside the arc hole, three discs are arranged at equal intervals inside the muffler body, four pipes are arranged at equal intervals on the surface of the disc, a plurality of round holes are formed on the surface and both ends of the pipe, an air outlet pipe is fixed and communicated with one end of the muffler body, and an air inlet pipe is fixed and communicated with the other end of the muffler body.
[0006] Preferably, the inner walls of the muffler body and the arc cover are provided with sound insulation layers.
[0007] Preferably, arc grooves are formed in the inner wall of the arc cover and close to both ends, arc plates are embedded in the arc grooves, sealing pads are fixedly connected to the top of the arc plates, and the arc plates are fixedly connected with the inner walls of both ends of the arc hole.
[0008] Preferably, three embedding grooves are formed at equal intervals in the inner walls of the muffler body and the arc cover, and the discs are embedded in the embedding grooves and matched with them.
[0009] Preferably, the surface of the air inlet pipe is corrugated.
[0010] Preferably, the surface of the sound attenuation pipe body and close to the arc hole four corners are fixedly connected with mounting blocks, and the surface of the arc cover and close to the four corners are fixedly connected with mounting pieces.
[0011] Compared with the prior art, the advantages and positive effects of the utility model are that,
[0012] 1、the utility model discloses, when the round hole of pipeline surface appears to be blocked or pipeline appears to be damaged, can be taken down through the bolt on mounting block and mounting piece, can play the effect of conveniently disassembling arc cover to can reach the effect of conveniently disassembling and replacing the pipeline in sound attenuation pipe body.
[0013] 2、the utility model discloses, when the air inlet pipe admits air, can play the effect of reducing the noise and vibration frequency of air inlet through telescopic corrugation to can reach the effect of pre sound attenuation. DRAWINGS
[0014] Figure 1 the utility model discloses a kind of overall structure perspective view of air intake sound attenuation pipe structure with noise reduction function;
[0015] Figure 2 the utility model discloses a kind of overall structure vertical section view of air intake sound attenuation pipe structure with noise reduction function;
[0016] Figure 3 the utility model discloses a kind of partial structure perspective view of air intake sound attenuation pipe structure with noise reduction function;
[0017] Figure 4 the utility model discloses a kind of pipeline structure perspective view of air intake sound attenuation pipe structure with noise reduction function.
[0018] Legend: 1, sound attenuation pipe body;2, arc hole;3, arc cover;4, arc groove;5, arc plate;6, sealing gasket;7, recess;8, disc;9, pipeline;10, round hole;11, air outlet pipe;12, air inlet pipe;13, mounting block;14, mounting piece. DETAILED DESCRIPTION
[0019] In order to more clearly understand the above-mentioned purposes, features and advantages of the utility model, the utility model will be further described below in combination with the drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
[0020] In the following description, many specific details are set forth in order to provide a thorough understanding of the utility model, but the utility model can also be implemented in other ways different from those described herein, therefore, the utility model is not limited to the specific embodiments disclosed in the following specification.
[0021] Embodiment 1, asFigures 1-4 The utility model provides an intake silencer pipe structure with noise reduction function, including the silencer pipe body 1, the top of silencer pipe body 1 is equipped with arc hole 2, the inside of arc hole 2 is equipped with arc cover 3, the inside of silencer pipe body 1 is equipped with three discs 8 at equal intervals, four pipelines 9 are penetrated at equal intervals on the surface of disc 8, a plurality of round holes 10 are formed on the surface and both ends of pipeline 9, one end of silencer pipe body 1 is fixed and is communicated with the air outlet pipe 11, the other end of silencer pipe body 1 is fixed and is communicated with the air inlet pipe 12.
[0022] Its whole embodiment 1 reaches the effect for, the top of silencer pipe body 1 is equipped with arc hole 2, the inside of arc hole 2 is equipped with arc cover 3, can cover the effect of arc hole 2, the inside of silencer pipe body 1 is equipped with three discs 8 at equal intervals, four pipelines 9 are penetrated at equal intervals on the surface of disc 8, a plurality of round holes 10 are formed on the surface and both ends of pipeline 9, can reach the interference of the sound wave in different passages, utilize the phase difference to reduce the noise of specific frequency, and the airflow disperses when passing, thereby reducing the sound pressure level, the effect of trying to reduce noise propagation, one end of silencer pipe body 1 is fixed and is communicated with the air outlet pipe 11, the other end of silencer pipe body 1 is fixed and is communicated with the air inlet pipe 12, can reach the effect of air intake and air outlet.
[0023] Embodiment 2, as shown in the figure, Figures 1-4 The inner walls of the silencer pipe body 1 and the arc cover 3 are provided with sound insulation layers; arc grooves 4 are formed in the inner walls of the arc cover 3 and close to both ends, arc plates 5 are embedded in the arc grooves 4, sealing pads 6 are fixedly connected to the top of the arc plates 5, and the arc plates 5 are fixedly connected with the inner walls of both ends of the arc hole 2; three embedding grooves 7 are formed in the inner walls of the silencer pipe body 1 and the arc cover 3 at equal intervals, the discs 8 are embedded in the embedding grooves 7 and are matched with the embedding grooves 7; the surface of the air inlet pipe 12 is corrugated; mounting blocks 13 are fixedly connected to the surface of the silencer pipe body 1 and close to the four corners of the arc hole 2, and mounting pieces 14 are fixedly connected to the surface of the arc cover 3 and close to the four corners.
[0024] The effect achieved by the whole embodiment 2 is that the sound insulation layer arranged on the inner walls of the muffler body 1 and the arc cover 3 can achieve the effect of sound insulation, the arc slots 4 are arranged on the inner walls of the arc cover 3 and close to the two ends, the arc plates 5 are embedded in the arc slots 4, the sealing pads 6 are fixedly connected to the top of the arc plates 5, the arc plates 5 are fixedly connected with the inner walls of the two ends of the arc hole 2, which can achieve the effect of sealing the two ends of the arc cover 3, the three embedding grooves 7 are equidistantly arranged on the inner walls of the muffler body 1 and the arc cover 3, the discs 8 are embedded in the embedding grooves 7 and are matched with the embedding grooves 7, which can achieve the effect of limiting the discs 8, the surface of the air inlet pipe 12 is corrugated, which can achieve the effect that the corrugated structure can effectively absorb the motion and vibration frequency, thereby achieving the effect of pre-silencing, when the air flows through the air inlet pipe 12, the effect of reducing the noise and vibration frequency of the air inlet can be achieved, so that the effect of pre-silencing can be achieved, at this time, the airflow passes through the pipeline 9 through the circular hole 10, the contact area of the air and the sound wave can be increased, the sound wave is absorbed by more sound-absorbing materials, and the design of the hole can disperse the airflow when passing through, so as to reduce the sound pressure level and reduce the noise propagation as much as possible, thereby improving the silencing effect, and when the circular hole 10 on the surface of the pipeline 9 is blocked or the pipeline 9 is damaged, the bolts on the mounting block 13 and the mounting part 14 can be removed, which can achieve the effect of conveniently dismounting the arc cover 3, so that the effect of conveniently dismounting and replacing the pipeline 9 in the muffler body 1 can be achieved.
[0025] Working principle: when the air inlet pipe 12 is used for air inlet, the effect of reducing the noise and vibration frequency of the air inlet can be achieved through the telescopic corrugation, so that the effect of pre-silencing can be achieved, at this time, the airflow passes through the pipeline 9 through the circular hole 10, the contact area of the air and the sound wave can be increased, the sound wave is absorbed by more sound-absorbing materials, and the design of the hole can disperse the airflow when passing through, so as to reduce the sound pressure level and reduce the noise propagation as much as possible, thereby improving the silencing effect, and when the circular hole 10 on the surface of the pipeline 9 is blocked or the pipeline 9 is damaged, the bolts on the mounting block 13 and the mounting part 14 can be removed, which can achieve the effect of conveniently dismounting the arc cover 3, so that the effect of conveniently dismounting and replacing the pipeline 9 in the muffler body 1 can be achieved.
[0026] The wiring diagram of the muffler body 1 in the utility model belongs to the common knowledge in the field, and the working principle is a known technology, and the type is selected according to actual use, so the control mode and wiring arrangement of the muffler body 1 are not explained in detail.
[0027] The above is only a preferred embodiment of the utility model, and does not limit other forms of the utility model, any skilled person in the art can change or modify the above disclosed technical content into equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made on the above embodiment according to the technical essence of the utility model still belongs to the protection scope of the utility model technical scheme.
Claims
1. An intake silencer structure with a noise reduction function, comprising a silencer body (1), characterized in that: The top of the silencer pipe body (1) is provided with an arc hole (2), the inside of the arc hole (2) is provided with an arc cover (3), the inside of the silencer pipe body (1) is provided with three discs (8) at equal intervals, the surface of the disc (8) is provided with four pipes (9) at equal intervals, the surface and both ends of the pipe (9) are provided with a plurality of round holes (10), one end of the silencer pipe body (1) is fixedly connected with and communicated with an air outlet pipe (11), the other end of the silencer pipe body (1) is fixedly connected with and communicated with an air inlet pipe (12).
2. The intake silencer structure with noise reduction function according to claim 1, characterized in that: The inner walls of the silencer pipe body (1) and the arc cover (3) are provided with sound insulation layers.
3. The intake silencer structure with noise reduction function according to claim 1, characterized in that: The inner walls of the arc cover (3) and close to both ends are provided with arc grooves (4), the inside of the arc groove (4) is embedded with an arc plate (5), the top of the arc plate (5) is fixedly connected with a sealing pad (6), and the arc plate (5) is fixedly connected with the inner walls of both ends of the arc hole (2).
4. The intake silencer structure with noise reduction function according to claim 1, characterized in that: The inner walls of the silencer pipe body (1) and the arc cover (3) are provided with three embedding grooves (7) at equal intervals, and the disc (8) is embedded in the embedding groove (7) and matched therewith.
5. The intake silencer structure with noise reduction function according to claim 1, characterized in that: The surface of the air inlet pipe (12) is corrugated.
6. The intake silencer structure with noise reduction function according to claim 1, characterized in that: The surface of the silencer pipe body (1) and close to the four corners of the arc hole (2) are fixedly connected with mounting blocks (13), and the surface of the arc cover (3) and close to the four corners are fixedly connected with mounting pieces (14).