CN211777764U - Automobile noise reduction pipe - Google Patents
Automobile noise reduction pipe Download PDFInfo
- Publication number
- CN211777764U CN211777764U CN202020361860.9U CN202020361860U CN211777764U CN 211777764 U CN211777764 U CN 211777764U CN 202020361860 U CN202020361860 U CN 202020361860U CN 211777764 U CN211777764 U CN 211777764U
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- noise reduction
- air inlet
- air outlet
- pipe body
- connecting part
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- Exhaust Silencers (AREA)
Abstract
The utility model discloses an automobile noise reduction pipe, which comprises a pipe body and a noise reduction part, wherein the noise reduction part is arranged at the lower part of the pipe body; the tube body comprises a fixing part, an air inlet, an air outlet and a connecting part; one end of the two ends of the connecting part is provided with an air inlet, and the other end is provided with a fixing part; the connecting part is arranged at one side of one end of the fixing part and is provided with an air outlet, and the part of the connecting part close to the air outlet is provided with a guide plate; the guide plate is arc-shaped, and the two ends of the guide plate extend to form an air inlet and an air outlet respectively; the width of the air inlet is less than or equal to that of the connecting part; convex edges are arranged on the noise reduction part and the extending edge of the pipe body, and the noise reduction part and the extending edge of the pipe body are fixed through the convex edges arranged on the extending edge; the noise reduction part covers the connecting part and the air outlet; the utility model discloses a new body structure realizes high inflation efficiency, has adopted two kinds of different material shaping bodys, realizes the pipe of making an uproar falls in a car of low noise.
Description
Technical Field
The utility model relates to an auto-parts field, more specifically the theory that says so, it relates to a car noise reduction pipe.
Background
The automobile is powered by gasoline and air mixed in the cylinder to drive the automobile to move, and the air intake system has important influence on the power performance, economic performance and noise control performance of the whole automobile.
The air inlet system relates to a plurality of pipelines that link up each other, and the pipeline is responsible for the function of peripheral air to empty filter transmission, but its effect is more passive, and once the particulate matter such as the whole dust of surrounding environment is more, because the air velocity of getting into the air inlet duct is faster, the air inlet duct also can only be passive these large granule thing transmission to empty filter assembly, carries out filtration processing to the air by empty filter assembly. The dust holding capacity of the air filter assembly is constant, so that when the running environment of the whole vehicle is severe (such as a building construction site), the service life of the filter element of the air filter can be rapidly shortened, and inconvenience is brought to normal use of the whole vehicle.
It is desirable to design a highly efficient, low noise air induction system. The pipeline of the air inlet system not only has the function of introducing outside air into the air filter, but also needs to be provided with a silencing structure on the air inlet pipe to solve the problem of air inlet noise of the automobile.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art's is not enough, has designed new body structure, realizes high inflation efficiency, has adopted two kinds of different material shaping bodys, realizes the pipe of making an uproar falls in a car of low noise.
The technical scheme of the utility model as follows:
an automobile noise reduction pipe comprises a pipe body and a noise reduction part, wherein the noise reduction part is arranged at the lower part of the pipe body; the tube body comprises a fixing part, an air inlet, an air outlet and a connecting part; one end of the two ends of the connecting part is provided with an air inlet, and the other end is provided with a fixing part; the connecting part is arranged at one side of one end of the fixing part and is provided with an air outlet, and the part of the connecting part close to the air outlet is provided with a guide plate; the guide plate is arc-shaped, and the two ends of the guide plate extend to form an air inlet and an air outlet respectively; the width of the air inlet is less than or equal to that of the connecting part; convex edges are arranged on the noise reduction part and the extending edge of the pipe body, and the noise reduction part and the extending edge of the pipe body are fixed through the convex edges arranged on the extending edge; the noise reduction part covers the connecting part and the air outlet.
Furthermore, the edge of making an uproar portion of falling and body of adopting the vibration friction welding to form.
Furthermore, the air inlet is integrally in the shape of a right trapezoid, connecting holes are formed in the upper bottom and the lower bottom of the air inlet, and the connecting holes are arranged in a staggered mode.
Furthermore, the fixing part is provided with a reinforcing rib.
Furthermore, the corresponding position of the noise reduction part and the air outlet is provided with an elastic part, and the elastic part is integrally rectangular.
Furthermore, the convex edge is provided with a limit boss in an extending way.
Further, the body of the pipe body is made of hard plastic, and the noise reduction part is made of polyester fiber.
Compared with the prior art, the utility model the advantage lies in:
1. the utility model has the advantages of simple overall structure, reasonable in design, the cost is lower, long service life, convenient to popularize and use.
2. The utility model discloses wholly realize that the air inlet advances, through connecting portion, go out from the gas outlet, realize effectual filtration and fall the noise because of containing the portion of making an uproar of falling. The connecting part is arranged at one side of one end of the fixing part and is provided with an air outlet, and the part of the connecting part close to the air outlet is provided with a guide plate. Effectively improve the path that the gas flows through, reach and fully fall the absorption of making an uproar. The guide plate is arc-shaped, the air inlet and the air outlet are respectively formed in the two ends of the guide plate in an extending mode, guiding by the guide plate is achieved, the air inlet is narrower than the air outlet, the flowing speed of air is reduced when the air flows through the automobile noise reduction pipe, the automobile noise reduction pipe is fully contacted, and the noise reduction effect is effectively achieved. Generally, the pipe body adopts the duroplasts, forms the guide to a certain extent, and the gaseous guide of falling the noise portion of falling the flow through, the portion of falling the noise adopts polyester fiber, realizes the high-efficient absorption to sound.
3. The edge of the noise reduction part and the pipe body of the utility model are provided with convex edges and are fixed by the convex edges arranged by the edge extension; the edge of the noise reduction part and the extension edge of the pipe body are formed by welding. The convex edge is provided with a limit boss in an extending way. Realize that the high strength of whole car noise reduction pipe is fixed, difficult production separation also will improve holistic life greatly.
4. The utility model discloses the air inlet is whole to be right trapezoid, and all sets up the connecting hole on the air inlet upper base and going to the bottom, and the mutual dislocation set of connecting hole is favorable to improving the fixed action. The fixed part is provided with the reinforcing rib, so that the fixing effect is further enhanced, and the integral deformation resistance is improved. The noise reduction part covers the connecting part and the air outlet, so that the noise reduction coverage area is improved, and the noise reduction effect is improved. The corresponding position department of the noise reduction part and the gas outlet is provided with an elastic part, and the elastic part is integrally a cuboid, so that the auxiliary damping effect is achieved. The noise reduction part is also provided with a plurality of grooves to improve the whole deformation resistance and the contact area and improve the noise reduction effect.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the attached drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of another angle structure of the present invention;
fig. 3 is a schematic structural view of the noise reduction part of the present invention;
fig. 4 is a schematic view of another angle structure of the noise reduction part of the present invention;
fig. 5 is a schematic view of the structure of the tube body of the present invention.
The figure is marked with: the noise reduction device comprises a pipe body 1, a noise reduction part 2, a fixing part 11, an air inlet 12, an air outlet 13, a connecting part 14, a guide plate 3, a convex edge 4, a connecting hole 5, a reinforcing rib 6, a limiting boss 7, an elastic part 8 and a groove 9.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1 to 5, an automotive noise reduction pipe includes a pipe body 1 and a noise reduction part 2, and the noise reduction part 2 is disposed at a lower portion of the pipe body 1. The tube body 1 comprises a fixed part 11, an air inlet 12, an air outlet 13 and a connecting part 14; one end of the two ends of the connecting part 14 is provided with an air inlet 12, and the other end is provided with a fixing part 11; the fixing portion 11 fixes the noise reduction pipe of the automobile. The whole air inlet 12 passes through the connecting part 14 and then exits from the air outlet 13, and effective filtering and noise reduction are realized due to the noise reduction part 2. The connecting portion 14 is provided on the side of one end of the fixing portion 11, the air outlet 13 is provided, and the portion of the connecting portion 14 near the air outlet 13 is provided with the guide plate 3. Effectively improve the path that the gas flows through, reach and fully fall the absorption of making an uproar. The guide plate 3 is arc-shaped, the air inlet 12 and the air outlet 13 are respectively formed in the two ends of the guide plate 3 in an extending mode, guiding by the guide plate 3 is achieved, the air inlet 12 is narrower than the air outlet 13, the flowing speed of air is reduced when the air flows through the automobile noise reduction pipe, the air fully contacts the automobile noise reduction pipe, and the noise reduction effect is effectively achieved. Generally, the pipe body 1 is made of hard plastic, and guides the flowing gas to the noise reduction part 2 to a certain extent, and the noise reduction part 2 is made of soundproof cotton or polyester fiber, so that sound is efficiently absorbed.
The width of the air inlet 12 is smaller than or equal to that of the connecting part 14, so that the capacity of the whole automobile noise reduction pipe is improved, the flowing speed of air is reduced, and sufficient noise reduction absorption is realized. The extending edges of the noise reduction part 2 and the pipe body 1 are both provided with convex edges 4, and are fixed through the convex edges 4 arranged in the extending edges; the edge of the noise reduction part 2 and the extension edge of the pipe body 1 are formed by adopting vibration friction welding. The convex edge 4 is provided with a limit boss 7 in an extending way. Realize that the high strength of whole car noise reduction pipe is fixed, difficult production separation also will improve holistic life greatly.
Preferably, the whole air inlet 12 is in a right trapezoid shape, the upper bottom and the lower bottom of the air inlet 12 are provided with the connecting holes 5, and the connecting holes 5 are arranged in a staggered mode, so that the fixing effect is improved. The fixing part 11 is provided with a reinforcing rib 6, so that the fixing effect is further enhanced, and the integral deformation resistance is improved. The noise reduction part 2 covers the connecting part 14 and the air outlet 13, and the noise reduction coverage area is increased to improve the noise reduction effect. The corresponding position department of the noise reduction part 2 and the air outlet 13 is provided with an elastic part 8, and the elastic part 8 is a cuboid integrally and plays a role in auxiliary shock absorption. The noise reduction part 2 is also provided with a plurality of grooves 9 to improve the whole deformation resistance and the contact area, so as to improve the noise reduction effect.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the concept of the present invention, and these improvements and decorations should also be considered as the protection scope of the present invention.
Claims (7)
1. The automobile noise reduction pipe is characterized by comprising a pipe body and a noise reduction part, wherein the noise reduction part is arranged at the lower part of the pipe body; the tube body comprises a fixing part, an air inlet, an air outlet and a connecting part; one end of the two ends of the connecting part is provided with an air inlet, and the other end is provided with a fixing part; the connecting part is arranged at one side of one end of the fixing part and is provided with an air outlet, and the part of the connecting part close to the air outlet is provided with a guide plate; the guide plate is arc-shaped, and the two ends of the guide plate extend to form an air inlet and an air outlet respectively; the width of the air inlet is less than or equal to that of the connecting part; convex edges are arranged on the noise reduction part and the extending edge of the pipe body, and the noise reduction part and the extending edge of the pipe body are fixed through the convex edges arranged on the extending edge; the noise reduction part covers the connecting part and the air outlet.
2. The automotive noise reduction tube of claim 1, wherein: the edge of the noise reduction part and the extension edge of the pipe body are welded.
3. The automotive noise reduction tube of claim 1, wherein: the air inlet is integrally in a right trapezoid shape, connecting holes are formed in the upper bottom and the lower bottom of the air inlet, and the connecting holes are arranged in a staggered mode.
4. The automotive noise reduction tube of claim 1, wherein: the fixed part is provided with a reinforcing rib.
5. The automotive noise reduction tube of claim 1, wherein: the corresponding position department of the noise reduction part and the air outlet is provided with an elastic part, and the elastic part is a cuboid.
6. The automotive noise reduction tube of claim 1, wherein: the convex edge is provided with a limit boss in an extending way.
7. The automotive noise reduction tube of claim 1, wherein: the body of the pipe body is made of hard plastic, and the noise reduction part is made of polyester fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020361860.9U CN211777764U (en) | 2020-03-20 | 2020-03-20 | Automobile noise reduction pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020361860.9U CN211777764U (en) | 2020-03-20 | 2020-03-20 | Automobile noise reduction pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211777764U true CN211777764U (en) | 2020-10-27 |
Family
ID=72932550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020361860.9U Active CN211777764U (en) | 2020-03-20 | 2020-03-20 | Automobile noise reduction pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211777764U (en) |
-
2020
- 2020-03-20 CN CN202020361860.9U patent/CN211777764U/en active Active
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