Automobile noise reduction air inlet device and automobile

Abstract

The utility model belongs to the technical field of automobile noise reduction, and particularly discloses an automobile noise reduction air inlet device and an automobile. The sheet metal part is provided with an input port and an air inlet; the air inlet pipe is detachably connected to one side of the sheet metal part, and the input end of the air inlet pipe is in sealed connection with the input port; the sound insulation cover is arranged on the side, away from the air inlet pipe, of the sheet metal part, the sound insulation cover comprises a connecting part and an expansion cavity, the expansion cavity covers the input port and the air inlet, and after entering the expansion cavity from the input port, air is sucked by the air inlet pipe. According to the air inlet system, through the arrangement of the sound insulation cover, air with certain impact force can be buffered, steering is achieved in the air suction process, and noise generated during air inlet of the air inlet system is effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile noise reduction, in particular to a kind of automobile noise reduction air intake device and automobile. BACKGROUND

[0002] Light truck type powered by engine, the noise generated by intake and exhaust system is the main noise source of the noise in the vehicle. Due to the characteristics of the total arrangement of light truck system, the intake system is mostly arranged below the co-driver seat, which is very close to the cab, so that the low-frequency radiation noise generated by the intake system is easily directly transmitted to the cab, seriously affecting the ride comfort of the vehicle; At the same time, due to the limitation of space arrangement, the volume of the intake system muffling element of light truck type cannot be large, and the muffling capacity of the intake muffling element is limited, resulting in the problem of low-frequency roar in the vehicle during acceleration. In view of this, the applicant proposes a kind of automobile noise reduction air intake device and automobile. SUMMARY

[0003] In view of the above-mentioned shortcomings of the prior art, the purpose of the utility model is to provide a kind of automobile noise reduction air intake device and automobile, to solve the problem of large noise generated by the intake system of light truck type automobile in the prior art.

[0004] To achieve the above-mentioned purpose and other related purposes, the utility model provides a kind of automobile noise reduction air intake device, comprising:

[0005] Sheet metal part;Input port is provided on the sheet metal part, and air inlet is provided on the sheet metal part;

[0006] Air inlet pipe, which is detachably connected to one side of the sheet metal part, the input end of the air inlet pipe is sealingly connected with the input port;

[0007] Sound shield cover, which is arranged on the side of the sheet metal part away from the air inlet pipe, the sound shield cover comprises a connecting part and an expansion cavity, the expansion cavity covers the input port and the air inlet, wherein the gas is sucked into the air inlet pipe after entering the expansion cavity from the input port.

[0008] Optionally, the sound shield cover has a transition part for buffering the gas, and the transition part corresponds to the input port.

[0009] Optionally, the transition part has a transition surface, and the transition surface is a smooth curved surface.

[0010] Optionally, the surface of the sheet metal part for mounting the sound shield cover is provided with a connecting area and a connecting assembly, and the connecting area is detachably connected with the connecting part through the connecting assembly.

[0011] Optionally, the connecting assembly comprises a first connecting piece and a second connecting piece, and the first connecting piece and the second connecting piece are connected with the sheet metal part through the connecting part.

[0012] Optionally, the soundproof cover is further provided with a buckle for connecting with the sheet metal part.

[0013] Optionally, the connecting part is provided with a buffer pad corresponding to the shape of the connecting part, wherein the buffer pad is located between the soundproof cover and the sheet metal part after the soundproof cover is connected with the sheet metal part.

[0014] Optionally, the air inlet pipe is provided with a connecting block, and the connecting block is detachably connected with the sheet metal part.

[0015] The utility model also provides a car which adopts the above-mentioned car noise reduction air inlet device.

[0016] As described above, the utility model provides a car noise reduction air inlet device and car have following beneficial effect:

[0017] Compared with the prior art, the utility model discloses a soundproof cover, after the power source generates suction through the air inlet pipe, extracts gas from the input port into the soundproof cover, the gas expands in the soundproof cover, realizes the buffering, and then is inhaled from the air inlet of the sheet metal part, so that the inhaled pressure gas can be buffered and diverted, effectively reducing the impact force of the gas entering the device from the air inlet pipe, and further reducing the noise during air intake. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The structure schematic diagram of an embodiment of the utility model is shown.

[0019] Figure 2 The connecting structure schematic diagram of the air inlet pipe and the sheet metal part in an embodiment of the utility model is shown.

[0020] Figure 3 The structure schematic diagram of the soundproof cover in an embodiment of the utility model is shown.

[0021] Figure 4 The back structure schematic diagram of the soundproof cover in an embodiment of the utility model is shown.

[0022] Mark explanation:

[0023] Sheet metal part 1, input port 2, air inlet 3, air inlet pipe 4, connecting block 5, buffer net 6, connecting area 7, soundproof cover 8, connecting part 801, expansion cavity 802, transition part 9, transition surface 10, buffer pad 11, buckle 12, first connecting piece 13, second connecting piece 14. Specific implementation

[0024] The embodiments of the present application will be described in detail by specific examples. Those skilled in the art can easily understand other advantages and functions of the present application from the content disclosed in the specification. The present application can also be implemented or applied by different specific embodiments, and the details in the specification can be modified or changed based on different views and applications without departing from the spirit of the present application.

[0025] It should be noted that the diagrams provided in the embodiments only illustrate the basic concept of the present application in a schematic manner, and only the components related to the present application are shown in the diagrams, not the number, shape and size of the components when actually implemented. The shape, number and proportion of each component when actually implemented can be changed arbitrarily, and the component layout pattern can be more complex. The structure, proportion, size, etc. shown in the diagrams attached to the specification are only used to cooperate with the content disclosed in the specification for understanding and reading by those skilled in the art, and are not used to limit the implementation conditions of the present application. Therefore, any modification of the structure, change of the proportion relationship or adjustment of the size, without affecting the functions and purposes that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the specification are only for the convenience of clear understanding of the description, not for limiting the scope of the present application. The change or adjustment of the relative relationship, without substantially changing the technical content, is also considered as the scope of the present application.

[0026] As shown in Figures 1-4 The present application provides an automobile noise reduction air inlet device and an automobile.

[0027] In an exemplary embodiment, the automobile noise reduction air inlet device comprises:

[0028] A sheet metal part 1 is provided with an input port 2, and the sheet metal part 1 is provided with an air inlet 3;

[0029] An air inlet pipe 4 is detachably connected to one side of the sheet metal part 1, the input end of the air inlet pipe 4 is sealingly connected to the input port 2, and the output end of the air inlet pipe 4 is connected to an air filter element or other air inlet device;

[0030] A sound insulation cover 8 is arranged on the side of the sheet metal part 1 away from the air inlet pipe 4, the sound insulation cover 8 comprises a connecting part 801 and an expansion cavity 802, the expansion cavity 802 covers the input port 2 and the air inlet 3, and when the gas enters the expansion cavity 802 from the input port 2, it is sucked into the air inlet pipe 4.

[0031] In the embodiment, the soundproof cover 8 is arranged, after the power source generates suction through the air inlet pipe 4, the gas is extracted from the input port 2 into the soundproof cover 8, the gas is expanded in the soundproof cover 8, buffering is realized, and then the gas is sucked from the air inlet 3 on the sheet metal part 1, so that the inhaled pressure gas can be buffered and diverted, the impact force of the gas entering the device from the air inlet pipe 4 is effectively reduced, and then the noise during air intake is reduced.

[0032] It is worth noting that in the embodiment, due to the limited installation position and other reasons, the overall shape of the soundproof cover 8 can be adaptively adjusted according to the specific vehicle model, but the function of realizing gas expansion and diversion must be ensured.

[0033] In an exemplary embodiment, the soundproof cover 8 has a transition part 9 for buffering the gas, and the transition part 9 corresponds to the input port 2.

[0034] In the embodiment, due to the strong pressure generated by the air inlet pipe 4, the gas in the atmosphere moves quickly in the direction of the right air inlet 3 after entering the soundproof cover 8 from the input port 2, and by arranging the transition part 9, the impact force of the pressure gas coming out of the air inlet pipe 4 on the inner wall of the soundproof cover 8 can be avoided, thereby affecting the durability of the soundproof cover 8. When the gas with a certain pressure comes out of the air inlet pipe 4, the transition part 9 corresponds to the input port 2 and contacts the transition part 9, the transition part 9 realizes the guidance and buffering of the gas, and then the gas enters the input end of the air inlet pipe 4.

[0035] As shown in Figs. Figure 3 and Figure 4 In the embodiment, the transition part 9 is a smooth curved surface, and in the embodiment, the transition part 9 is in the right half of the soundproof cover 8. Similarly, the air inlet 3 is arranged corresponding to the transition part 9, the pressure gas is expanded in the expansion cavity 802, and then guided to the air inlet 3 through the transition part 9, and finally sucked into the air inlet pipe 4 at the air inlet 3, realizing the diversion of the gas, which is conducive to reducing the impact force of the pressure gas and realizing the buffering effect.

[0036] It is worth noting that in the embodiment, the projection of the transition surface 10 on the sheet metal part 1 needs to be greater than the area of the input port 2, so as to realize better transition, guidance and buffering effect.

[0037] It should also be noted that in the embodiment, a buffering net 6 can also be installed at the input end of the air inlet pipe 4, so that the pressure gas sucked from the input end of the air inlet pipe 4 is subjected to certain buffering, thereby improving the noise reduction function of the utility model.

[0038] In an exemplary embodiment, the surface of the sheet metal part 1 for mounting the soundproof cover 8 is provided with a connection area 7 and a connection assembly, and the connection area 7 is detachably connected with the connection part 801 through the connection assembly.

[0039] In the embodiment, the connecting part 801 is a frame part at the top of the sound shield 8, and the connecting area 7 arranged on the sheet metal part 1 is used for positioning the connecting part 801 of the sound shield 8, and then the sound shield 8 can be installed on the sheet metal part 1 through the connecting assembly.

[0040] In the embodiment, the connecting assembly includes a first connecting piece 13 and a second connecting piece 14, and the first connecting piece 13 and the second connecting piece 14 are connected with the sheet metal part 1 through the connecting part 801.

[0041] In the embodiment, the first connecting piece 13 and the second connecting piece 14 are connecting screws, and the sound shield 8 and the sheet metal part 1 can be connected conveniently and quickly.

[0042] In the embodiment, the sound shield 8 is also provided with a buckle 12, the buckle 12 is integrally formed on the sound shield 8, and the sheet metal part 1 is provided with a clamping structure corresponding to the buckle 12 and capable of clamping the buckle 12, and when the sound shield 8 is installed, the first connecting piece 13 and the second connecting piece 14 are installed more conveniently through the positioning effect of the connecting area 7 and the buckle 12.

[0043] In an example embodiment, the connecting part 801 is provided with a buffer pad 11, and the buffer pad 11 corresponds to the shape of the connecting part 801, wherein the buffer pad 11 is located between the sound shield 8 and the sheet metal part 1 after the sound shield 8 is connected with the sheet metal part 1.

[0044] In the embodiment, the buffer pad 11 is used to avoid that the sheet metal part 1 is scratched due to direct contact with the sound shield 8, and the problem that the sound shield 8 is easily separated due to rigid connection with the sheet metal part 1.

[0045] In the embodiment, the shape of the buffer pad 11 corresponds to the shape of the connecting part 801, and the buffer pad 11 can be slightly larger than the outer contour of the connecting part 801, the buffer pad 11 can be a soft pad such as sponge, and is fixedly connected to the connecting part 801, and a hole is formed at a position where the first connecting piece 13 and the second connecting piece 14 pass through, and the buffer pad 11 is located between the sound shield 8 and the sheet metal part 1 after the sound shield 8 is installed.

[0046] The utility model also provides a kind of automobile, which adopts the above-mentioned automobile noise reduction air inlet device.

[0047] Specific implementation steps: first, install the sound shield 8, the connecting part 801 of the sound shield 8 is buckled with the connecting area 7 on the sheet metal part 1, the sound shield 8 is preliminarily positioned through the buckle 12, and the sound shield 8 is further fixed through the first connecting piece 13 and the second connecting piece 14, second, the connecting block 5 is connected with the sheet metal part 1, the connecting block 5 seals the input port 2 at this time, third, the air intake system of the automobile works, the air intake system provides power for the air inlet pipe 4, so that the gas in the atmosphere is sucked into the expansion cavity 802 inside the sound shield 8, under the guiding action of the arc-shaped transition surface 10, the expansion cavity 802 is filled, and finally the gas is sucked into the input end of the air inlet pipe 4 from the air inlet 3, at this time, the impact force of the gas is greatly reduced, and the impact force of the gas sucked from the air inlet 3 into the air filter core and other devices is also greatly reduced, thereby effectively reducing the noise, after the structure of the air intake system is optimized, the average noise of the driver's right ear is reduced by 4.5dB during the acceleration process of the engine between 2000-3500rpm, and the noise reduction effect is significantly improved.

[0048] In summary, the sound shield 8 is arranged, the gas with a certain impact force can be buffered, and the pressure gas is diverted during the gas suction process, and the noise generated when the air intake system inhales is effectively reduced.

[0049] The above embodiment only illustrates the principle and effect of the utility model, and is not used to limit the utility model. Any person skilled in the art can modify or change the above embodiment without departing from the spirit and scope of the utility model. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the utility model should be covered by the claims of the utility model.

Claims

1. A noise reduction air intake device for automobiles, characterized in that, include: Sheet metal part; the sheet metal part is provided with an input port and an air inlet; An intake pipe is detachably connected to one side of the sheet metal part, and the input end of the intake pipe is sealed to the input port. A soundproof enclosure is disposed on the side of the sheet metal part away from the air intake pipe. The soundproof enclosure includes a connecting part and an expansion cavity. The expansion cavity covers the input port and the air intake port. When gas enters the expansion cavity from the input port, it is drawn in by the air intake pipe.

2. The automotive noise reduction intake device according to claim 1, characterized in that: The soundproof enclosure has a transition section for buffering the gas, and the transition section corresponds to the inlet.

3. The automotive noise reduction intake device according to claim 2, characterized in that: The transition section has a transition surface, which is a smooth curved surface.

4. The automotive noise reduction intake device according to claim 1, characterized in that: The sheet metal part has a connecting area and a connecting component on its surface for mounting the soundproof cover. The connecting area is detachably connected to the connecting part through the connecting component.

5. The automotive noise reduction intake device according to claim 4, characterized in that: The connecting assembly includes a first connector and a second connector, both of which pass through the connecting portion and are connected to the sheet metal part.

6. The automotive noise reduction intake device according to claim 5, characterized in that: The soundproof cover is also equipped with buckles for connecting to sheet metal parts.

7. The automotive noise reduction intake device according to claim 1, characterized in that: The connecting part is provided with a buffer pad, the shape of which corresponds to the shape of the connecting part. After the soundproof cover is connected to the sheet metal part, the buffer pad is located between the soundproof cover and the sheet metal part.

8. The automotive noise reduction intake device according to claim 1, characterized in that: The intake pipe is provided with a connecting block, which is detachably connected to the sheet metal part.

9. A car, characterized in that, Including the automotive noise reduction air intake device as described in any one of claims 1-8.

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