CN218377068U - Turbocharger noise eliminator - Google Patents
Turbocharger noise eliminator Download PDFInfo
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- CN218377068U CN218377068U CN202222426942.9U CN202222426942U CN218377068U CN 218377068 U CN218377068 U CN 218377068U CN 202222426942 U CN202222426942 U CN 202222426942U CN 218377068 U CN218377068 U CN 218377068U
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- pipe body
- filtering holes
- connecting flange
- sound filtering
- positioning groove
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The utility model provides a turbocharger muffler device, which comprises an inner pipe body, a middle pipe body and an outer pipe body, wherein one end of the inner pipe body is provided with a first connecting flange; a first annular positioning groove and a second annular positioning groove are coaxially arranged on the end surface of the first connecting flange and the inner pipe body, one end of the middle pipe body is abutted against the first annular positioning groove, and the other end of the middle pipe body is connected with a sealing plate; the outer pipe body is arranged outside the middle pipe body, one end of the outer pipe body is abutted against the second annular positioning groove, a connecting disc is arranged on the periphery of the side of the outer pipe body, and a connecting bolt hole corresponding to the first connecting flange is formed in the connecting disc; the other end of the outer pipe body is provided with a second connecting flange; a plurality of sound filtering holes are uniformly and densely distributed on the inner pipe body and the middle pipe body, and the sound filtering holes in the inner pipe body and the sound filtering holes in the middle pipe body are arranged in a staggered mode. The utility model provides a turbo charger noise eliminator can effectively fall the frenquency of the high frequency noise that turbo charger produced.
Description
Technical Field
The utility model relates to a noise elimination technical field, concretely relates to turbo charger noise eliminator.
Background
Most of the existing turbochargers in automobiles, especially electric turbochargers, generate medium-high frequency noise of 2KHz to 5KHz in the high-speed operation process due to the relationship of peak rotating speed, and the noise of such frequency is sharp and harsh, thus the driving and hearing of drivers are seriously affected, therefore, the medium-high frequency noise emitted by the turbocharger must be subjected to frequency reduction and noise reduction.
In the prior art, two noise reduction methods, namely an active noise reduction method and a passive noise reduction method, are generally used for the noise of the turbocharger, the active noise reduction method is the most effective and direct method for improving the dynamic balance quality of a rotor, but the method cannot completely inhibit the noise generation along with the continuous improvement of the rotating speed of the rotor of the supercharger for a vehicle, so the passive noise reduction method of adding a silencer on a noise transmission path is particularly important. A muffler device that effectively suppresses turbocharger noise has not yet appeared.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a turbocharger noise eliminator.
In order to achieve the above object, the utility model provides a turbocharger muffler device, which comprises an inner pipe body, a middle pipe body and an outer pipe body, wherein one end of the inner pipe body is provided with a first connecting flange; a first annular positioning groove and a second annular positioning groove are coaxially arranged on the end face of the first connecting flange and the inner pipe body, one end of the middle pipe body is abutted against the first annular positioning groove, the other end of the middle pipe body is connected with a sealing plate, an annular accommodating part is arranged on the inner side of the sealing plate, and the other end of the inner pipe body is abutted against the annular accommodating part; the outer pipe body is arranged outside the middle pipe body, one end of the outer pipe body is abutted against the second annular positioning groove, a connecting disc is arranged on the periphery of the side of the outer pipe body, and a connecting bolt hole corresponding to the first connecting flange is formed in the connecting disc; the other end of the outer pipe body is provided with a second connecting flange, a pressing block is connected in the outer pipe body through a support rod, and the pressing block is abutted to the sealing plate; a plurality of sound filtering holes are uniformly and densely distributed in the inner pipe body and the middle pipe body, and the sound filtering holes in the inner pipe body and the sound filtering holes in the middle pipe body are arranged in a staggered mode.
As a preferred arrangement of the present invention, a plurality of sets of the sound filtering holes are annularly arrayed on the periphery of the inner pipe body/the middle pipe body, and each set of the sound filtering holes are uniformly arranged along the axial direction of the inner pipe body/the middle pipe body at equal intervals; the multiple groups of sound filtering holes in the inner pipe body and the multiple groups of sound filtering holes in the middle pipe body are arranged in a staggered mode.
As the preferred setting of the utility model, the inboard cover of outer body has the amortization cotton.
As the utility model discloses an it sets up to prefer outer body is close to second flange's one end is provided with the circular cone changeover portion, the less one end of circular cone changeover portion diameter is connected with the straight tube section, second flange sets up straight tube section tip.
As the preferred arrangement of the present invention, the first connecting flange is the same in shape and size as the second connecting flange.
The utility model has the advantages that:
the utility model provides a turbocharger noise eliminator, through the inner tube, with middle body on strain the sound hole and cover the amortization cotton of body inner wall outside, can effectively fall the low frequency of the high frequency noise that turbocharger produced, and because its intraductal separation that does not set up, thus do not influence the exhaust of engine.
Drawings
Fig. 1 is a schematic perspective view of a turbocharger muffler device provided by the present invention.
FIG. 2 is a left side view of FIG. 1;
fig. 3 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 2.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example 1
Referring to fig. 1 to 3, the utility model provides a turbocharger muffler device, which comprises an inner pipe body 1, a middle pipe body 2 and an outer pipe body 3, wherein one end of the inner pipe body 1 is provided with a first connecting flange 4; a first annular positioning groove 5 and a second annular positioning groove 6 are coaxially arranged on the end surface of the first connecting flange 4 and the inner pipe body 1, one end of the middle pipe body 2 is abutted against the first annular positioning groove 5, the other end of the middle pipe body is connected with a sealing plate 7, an annular accommodating part 8 is arranged on the inner side of the sealing plate 7, and the other end of the inner pipe body 1 is abutted against the annular accommodating part 8; the outer pipe body 3 is arranged outside the middle pipe body 2, one end of the outer pipe body is abutted against the second annular positioning groove 6, a connecting disc 9 is arranged on the periphery of the side, and a connecting bolt hole 10 corresponding to the first connecting flange 4 is formed in the connecting disc 9; the other end of the outer pipe body 3 is provided with a second connecting flange 11, a pressing block 13 is connected in the outer pipe body 3 through a support rod, and the pressing block 13 is abutted to the sealing plate 7; a plurality of sound filtering holes 14 are uniformly and densely distributed on the inner pipe body 1 and the middle pipe body 2, and the sound filtering holes 14 on the inner pipe body 1 and the sound filtering holes 14 on the middle pipe body 2 are arranged in a staggered mode. The utility model has simple structure and convenient combination, when in combination, the middle tube body 2 is sleeved outside the inner tube body 1, and the end part of the middle tube body is aligned to the first annular positioning groove 5, at the moment, the end part of the inner tube body 1 just butts against the annular accommodating part 8 on the sealing plate 7; and then continuously sleeving the outer pipe body 3, butting the end part of the outer pipe body 3 in the second annular positioning groove 6, just butting the pressing block 13 with the sealing plate 7 at the moment, fixing the middle pipe body 2, and finally synchronously connecting and fixing the first connecting flange 4, the connecting disc 9 and the connecting flange of the external device through connecting bolts during assembly.
As a preferable configuration of this embodiment, further, a plurality of sets of the sound filtering holes 14 are annularly arrayed on the outer periphery of the inner tube 1/the middle tube 2, and each set of the sound filtering holes 14 is uniformly arranged at equal intervals along the axial direction of the inner tube 1/the middle tube 2; the multiple groups of sound filtering holes 14 on the inner pipe body 1 and the multiple groups of sound filtering holes 14 on the middle pipe body 2 are arranged in a staggered mode. In the working process of the turbocharger noise eliminator, airflow flows through the turbocharger noise eliminator, firstly enters the inner pipe body 1, enters between the inner pipe body 1 and the middle pipe body 2 under the blocking and filtering effects of the sound filtering holes 14 on the inner pipe body 1, enters the outer pipe body 3 under the blocking and filtering effects of the sound filtering holes 14 on the middle pipe body 2, is finally discharged from the end part of the outer pipe body 3, and is blocked and filtered for multiple times, so that the noise is greatly reduced, and the mechanical vibration caused by the airflow can be greatly reduced.
As a preferable arrangement of this embodiment, the inner side of the outer tube 3 is further covered with sound deadening cotton.
As a preferable configuration of this embodiment, a conical transition section 12 is further disposed at one end of the outer pipe body 3 close to the second connecting flange 11, a straight pipe section is connected to one end of the conical transition section 12 with a smaller diameter, and the second connecting flange 11 is disposed at an end of the straight pipe section.
When the device is installed, one end of the turbocharger silencing device is connected with an air inlet of an automobile electric turbine, and the other end of the turbocharger silencing device is connected with an automobile air filter box or an air filtering mushroom head. Through inner tube, with middle body on strain the sound hole and cover the amortization cotton at outer body inner wall, can effectively fall the low frequency of the high frequency noise that turbo charger produced, and because its intraductal separation that does not set up, consequently do not influence the exhaust of engine.
Example 2
Referring to fig. 1 to 3, the utility model provides a turbocharger muffler device, which comprises an inner pipe body 1, a middle pipe body 2 and an outer pipe body 3, wherein one end of the inner pipe body 1 is provided with a first connecting flange 4; a first annular positioning groove 5 and a second annular positioning groove 6 are coaxially arranged on the end surface of the first connecting flange 4 and the inner pipe body 1, one end of the middle pipe body 2 is abutted against the first annular positioning groove 5, the other end of the middle pipe body is connected with a sealing plate 7, an annular accommodating part 8 is arranged on the inner side of the sealing plate 7, and the other end of the inner pipe body 1 is abutted against the annular accommodating part 8; the outer pipe body 3 is arranged outside the middle pipe body 2, one end of the outer pipe body is abutted against the second annular positioning groove 6, a connecting disc 9 is arranged on the periphery of the side, and a connecting bolt hole 10 corresponding to the first connecting flange 4 is formed in the connecting disc 9; the other end of the outer pipe body 3 is provided with a second connecting flange 11, a pressing block 13 is connected in the outer pipe body 3 through a support rod, and the pressing block 13 is abutted to the sealing plate 7; a plurality of sound filtering holes 14 are uniformly and densely distributed on the inner pipe body 1 and the middle pipe body 2, and the sound filtering holes 14 on the inner pipe body 1 and the sound filtering holes 14 on the middle pipe body 2 are arranged in a staggered mode. The utility model has simple structure and convenient combination, when in combination, the middle tube body 2 is sleeved outside the inner tube body 1, and the end part of the middle tube body is aligned to the first annular positioning groove 5, at the moment, the end part of the inner tube body 1 just abuts against the annular containing part 8 on the sealing plate 7; and then continuously sleeving the outer pipe body 3, butting the end part of the outer pipe body 3 in the second annular positioning groove 6, just butting the pressing block 13 with the sealing plate 7 at the moment, fixing the middle pipe body 2, and finally synchronously connecting and fixing the first connecting flange 4, the connecting disc 9 and the connecting flange of the external device through connecting bolts during assembly.
As a preferable configuration of this embodiment, further, a plurality of sets of the sound filtering holes 14 are annularly arrayed on the outer periphery of the inner tube 1/the middle tube 2, and each set of the sound filtering holes 14 is uniformly arranged at equal intervals along the axial direction of the inner tube 1/the middle tube 2; the multiple groups of sound filtering holes 14 on the inner pipe body 1 and the multiple groups of sound filtering holes 14 on the middle pipe body 2 are arranged in a staggered mode. In the working process of the turbocharger noise eliminator, airflow flows through the turbocharger noise eliminator, firstly enters the inner pipe body 1, enters between the inner pipe body 1 and the middle pipe body 2 under the blocking and filtering effects of the sound filtering holes 14 on the inner pipe body 1, enters the outer pipe body 3 under the blocking and filtering effects of the sound filtering holes 14 on the middle pipe body 2, is finally discharged from the end part of the outer pipe body 3, and is blocked and filtered for multiple times, so that the noise is greatly reduced, and the mechanical vibration caused by the airflow can be greatly reduced.
As a preferable arrangement of this embodiment, the inner side of the outer tube 3 is further covered with sound deadening cotton.
As a preferable configuration of this embodiment, a conical transition section 12 is further disposed at one end of the outer pipe body 3 close to the second connecting flange 11, a straight pipe section is connected to one end of the conical transition section 12 with a smaller diameter, and the second connecting flange 11 is disposed at an end of the straight pipe section.
As a preferred arrangement of the present invention, the first connecting flange 4 and the second connecting flange 11 have the same shape and size.
When the device is installed, one end of the turbocharger silencing device is connected with an air inlet of an automobile electric turbine, and the other end of the turbocharger silencing device is connected with an automobile air filter box or an air filtering mushroom head. Preferably, the first connecting flange 4 and the second connecting flange 11 which have the same size and specification are adopted, and a plurality of turbocharger muffling devices can be used for being connected in series, so that the effect of efficiently reducing the noise frequency is achieved.
Moreover, those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments, not other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims above, any of the claimed embodiments may be used in any combination. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is already known to a person skilled in the art.
Claims (5)
1. The turbocharger silencing device is characterized by comprising an inner pipe body, a middle pipe body and an outer pipe body, wherein one end of the inner pipe body is provided with a first connecting flange; a first annular positioning groove and a second annular positioning groove are coaxially arranged on the end face of the first connecting flange and the inner pipe body, one end of the middle pipe body is abutted against the first annular positioning groove, the other end of the middle pipe body is connected with a sealing plate, an annular accommodating part is arranged on the inner side of the sealing plate, and the other end of the inner pipe body is abutted against the annular accommodating part; the outer pipe body is arranged outside the middle pipe body, one end of the outer pipe body is abutted against the second annular positioning groove, a connecting disc is arranged on the periphery of the side of the outer pipe body, and a connecting bolt hole corresponding to the first connecting flange is formed in the connecting disc; the other end of the outer pipe body is provided with a second connecting flange, a pressing block is connected in the outer pipe body through a support rod, and the pressing block is abutted against the closed plate; a plurality of sound filtering holes are uniformly and densely distributed in the inner pipe body and the middle pipe body, and the sound filtering holes in the inner pipe body and the sound filtering holes in the middle pipe body are arranged in a staggered mode.
2. The turbocharger muffler device according to claim 1, wherein the inner/intermediate pipe body has a plurality of groups of the sound filtering holes arranged in an annular array on the outer periphery thereof, and each group of the sound filtering holes is uniformly arranged at equal intervals along the axial direction of the inner/intermediate pipe body; the multiple groups of sound filtering holes in the inner pipe body and the multiple groups of sound filtering holes in the middle pipe body are arranged in a staggered mode.
3. The turbocharger muffler device of claim 1, wherein the inner side of the outer tube body is covered with sound-deadening cotton.
4. The turbocharger muffler device according to claim 1, wherein a conical transition section is arranged at one end of the outer pipe body close to the second connecting flange, a straight pipe section is connected to one end of the conical transition section with a smaller diameter, and the second connecting flange is arranged at the end of the straight pipe section.
5. The turbocharger muffler assembly of claim 1, wherein the first and second attachment flanges are the same shape and size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222426942.9U CN218377068U (en) | 2022-09-14 | 2022-09-14 | Turbocharger noise eliminator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222426942.9U CN218377068U (en) | 2022-09-14 | 2022-09-14 | Turbocharger noise eliminator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218377068U true CN218377068U (en) | 2023-01-24 |
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ID=84973242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222426942.9U Active CN218377068U (en) | 2022-09-14 | 2022-09-14 | Turbocharger noise eliminator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218377068U (en) |
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2022
- 2022-09-14 CN CN202222426942.9U patent/CN218377068U/en active Active
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