CN216077368U

CN216077368U - Muffler pipe, supercharged engine and car

Info

Publication number: CN216077368U
Application number: CN202121328311.2U
Authority: CN
Inventors: 何政; 李正华; 石瑞; 黄锦洋
Original assignee: Haima Motor Corp
Current assignee: Haima Motor Corp
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2022-03-18
Anticipated expiration: 2031-06-15

Abstract

The utility model relates to the field of automobiles, in particular to a muffler pipe, a supercharged engine and an automobile; the automobile comprises a supercharged engine, wherein the supercharged engine comprises a silencing pipe; the silencing pipe comprises an outer pipe and a core pipe, wherein the core pipe is provided with an inner channel extending along the length direction of the core pipe, the core pipe is arranged in the outer pipe, and the outer channel is formed between the core pipe and the outer pipe; the core pipe is provided with at least one baffle for being two at least noise elimination cavitys with outer passageway partition to at least separate the core pipe for first pipe portion and second pipe portion, first pipe portion and second pipe portion all are provided with and are used for making at least one of through-hole and the passageway of inner channel and outer passageway intercommunication. The muffler pipe has low requirement on installation space and is convenient to install.

Description

Muffler pipe, supercharged engine and car

Technical Field

The utility model relates to the field of automobiles, in particular to a muffler pipe, a supercharged engine and an automobile.

Background

With the wide application of the supercharged engine to the automobile, the influence of noise of an air intake system of the supercharged engine on the noise of the whole automobile becomes larger, the NVH requirement of a customer on the automobile is higher and higher, and the noise of the air intake system is more and more emphasized.

In the related art, the provided air inlet silencing pipe can enable air inlet airflow to pass through, can weaken generation and transmission of medium-high frequency noise, and optimizes NVH performance of vehicle air inlet, but is mainly effective to medium-high frequency noise, and has a limited silencing frequency range.

In the correlation technique, the low frequency structure syntonizer that still provides is mostly the helmholtz syntonizer, and it can effectively absorb the well low frequency noise component that weakens in the noise of admitting air, and general occupation space is great, need bulge an opposite sex's cavity on the intake pipe way, and the shaping production degree of difficulty is also great.

Therefore, the muffler device provided by the related art needs to be arranged separately for high-frequency noise and low-frequency noise, has high requirements on installation space, and is inconvenient to install.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a muffler pipe, a supercharged engine and an automobile.

The embodiment of the utility model is realized by the following steps:

in a first aspect, the present invention provides an anechoic tube comprising:

an outer tube;

the core pipe is provided with an inner channel extending along the length direction of the core pipe, the core pipe is arranged in the outer pipe, and the outer channel is formed between the core pipe and the outer pipe; the core pipe is provided with at least one baffle for being two at least noise elimination cavitys with outer passageway partition to at least separate the core pipe for first pipe portion and second pipe portion, first pipe portion and second pipe portion all are provided with and are used for making at least one of through-hole and the passageway of inner channel and outer passageway intercommunication.

In an alternative embodiment, the outer tube includes a first tube and a second tube connected to each other, the core tube is disposed in the first tube, and the tube diameter of the first tube gradually increases from an end away from the second tube to an end close to the second tube.

In an alternative embodiment, the first pipe body is an arcuate elbow.

In an alternative embodiment, the second pipe body is a straight pipe.

In an alternative embodiment, the first pipe part is provided with a through hole for communicating the inner and outer channels, and the second pipe part is provided with a channel for communicating the inner and outer channels.

In an alternative embodiment, the first pipe portion and the second pipe portion are each provided with through holes for communicating the inner passage and the outer passage, and the first pipe portion is provided with a larger number of through holes than the second pipe portion.

In an alternative embodiment, the first pipe portion and the second pipe portion are each provided with a through hole for communicating the inner passage and the outer passage, and the first pipe portion is provided with a through hole having an inner diameter larger than that of the second pipe portion.

In an alternative embodiment, the spacer is annular.

In a second aspect, the present invention provides a supercharged engine comprising the muffler pipe of any one of the preceding embodiments.

In a third aspect, the utility model provides an automobile comprising a supercharged engine of the preceding embodiment.

The sound-absorbing pipe provided by the embodiment of the utility model has the beneficial effects that: the muffling tube provided by the embodiment of the utility model comprises an outer tube and a core tube, wherein the core tube is provided with an inner channel extending along the length direction of the core tube, the core tube is arranged in the outer tube, and the outer channel is formed between the core tube and the outer tube; the core pipe is provided with at least one baffle for being two at least noise elimination cavitys with outer passageway partition to at least separate the core pipe for first pipe portion and second pipe portion, first pipe portion and second pipe portion all are provided with and are used for making at least one of through-hole and the passageway of inner channel and outer passageway intercommunication. So, can be according to the noise elimination demand of high frequency noise and low frequency noise, set up the baffle of different quantity at the core pipe, with separate the outer passageway and be the noise elimination cavity of different quantity, and set up various quantity at first pipe portion and second pipe portion at least, a through-hole and the passageway that is used for communicateing inner channel and outer passageway, can make the hush pipe satisfy the demand of eliminating high frequency noise and low frequency noise simultaneously, and no longer need set up the hush pipe that admits air of eliminating high frequency noise simultaneously and eliminate the syntonizer of low frequency noise, hush pipe can satisfy simultaneously and eliminate high frequency noise and low frequency noise, and then reduced the requirement to installation space, and be convenient for install.

The supercharged engine of the embodiment of the utility model has the beneficial effects that: the supercharged engine provided by the embodiment of the utility model comprises the silencing pipe, and only one space is reserved for mounting the silencing pipe during assembly, so that the requirement on mounting space is reduced, and the installation is convenient.

The beneficial effects of the automobile provided by the embodiment of the utility model comprise: the automobile provided by the embodiment of the utility model comprises the supercharged engine, and only one space is required to be reserved for installing the silencing pipe when the supercharged engine is assembled, so that the requirement on the installation space is reduced, and the installation is convenient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural diagram of an acoustic pipe according to an embodiment of the present invention;

FIG. 2 is an exploded view of an embodiment of the muffler pipe of the present invention;

fig. 3 is a schematic structural view of a resonator and an intake muffler pipe according to the related art of the present invention.

Icon: 010-a muffler pipe; 100-an outer tube; 110-a first tube; 120-a second tube; 200-core tube; 210-a separator; 220-a through hole; 230-channel; 231-a breather pipe; 241-a first tube part; 242-a second tube portion; 243-a third pipe portion; 244-a fourth tube portion; 245-a fifth tube section; 246-sixth pipe portion; 250-a flange; 310-an air intake muffler pipe; 320-resonator.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "inside" and "outside" are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the utility model is used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the element which is referred to must have a specific orientation, be constructed in a specific orientation and operation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment provides an automobile, in particular to a supercharged automobile which comprises a supercharged engine.

The supercharged engine comprises a supercharged engine body and a silencing pipe 010 arranged on the supercharged engine body; specifically, the muffler pipe 010 is provided at an intake end of the supercharged engine body for canceling intake noise.

Referring to fig. 1 and 2, the muffling tube 010 includes an outer tube 100 and a core tube 200, the core tube 200 having an inner passage 230 extending along a length direction thereof, the core tube 200 being disposed inside the outer tube 100, and the outer passage 230 being formed between the core tube 200 and the outer tube 100; the core tube 200 is provided with at least one partition 210 for partitioning the outer passage 230 into at least two sound-deadening cavities and partitioning the core tube 200 into at least a first tube portion 241 and a second tube portion 242, each of the first tube portion 241 and the second tube portion 242 being provided with at least one of the passage 230 and the through-hole 220 for communicating the inner passage 230 with the outer passage 230. Thus, according to the requirement of silencing high-frequency noise and low-frequency noise, different numbers of partition plates 210 are arranged on the core tube 200 to separate the outer channel 230 into different numbers of silencing cavities, and at least the through holes 220 and the channels 230 which are arranged on the first tube part 241 and the second tube part 242 and are used for communicating the inner channel 230 with the outer channel 230 are arranged in various numbers, so that the silencing tube 010 can meet the requirement of simultaneously eliminating the high-frequency noise and the low-frequency noise, the air inlet silencing tube 310 for eliminating the high-frequency noise and the resonator 320 for eliminating the low-frequency noise are not required to be arranged at the same time, and the silencing tube 010 can simultaneously eliminate the high-frequency noise and the low-frequency noise, thereby reducing the requirement on the installation space and being convenient to install.

Referring to fig. 3, the muffler device provided in the related art needs to separately provide a resonator 320 for canceling low-frequency noise and an intake muffler 310 for canceling high-frequency noise, and when the muffler device is previously disposed, sufficient installation spaces need to be reserved for the resonator 320 and the intake muffler 310 at different positions of an intake pipe. The two parts of the intake muffler 310 and the resonator 320 respectively occupy a large installation space, and particularly, the parts of the connection portions of the intake muffler 310 itself, such as: the hose, the hoop and the like can increase the assembling steps and the assembling difficulty, not only occupy the arrangement space of the engine compartment, but also increase the manufacturing cost of parts.

Compared with the noise elimination device provided by the related art, the noise elimination tube 010 of the embodiment can eliminate low-frequency noise and high-frequency noise at the same time, and the integration level is high; during assembly, only a certain space is reserved on the supercharged engine body, the situation that the resonator 320 for eliminating low-frequency noise and the air inlet silencing pipe 310 for eliminating high-frequency noise need to be reserved in different positions respectively in the related technology is avoided, the arrangement coordination of the internal space of the engine compartment is favorably improved, the production of parts such as an intermediate connecting hose and a clamp for the air inlet silencing pipe 310 can be reduced, the space is saved, the cost is reduced, and the production and assembly efficiency is improved.

Referring to fig. 1 and 2, the outer tube 100 of the present embodiment includes a first tube 110 and a second tube 120 connected to each other, the core tube 200 is disposed in the first tube 110, and the diameter of the first tube 110 gradually increases from an end away from the second tube 120 to an end close to the second tube 120. So set up, can make the pipe diameter of first body 110 reduce gradually from the air inlet end to the air outlet end.

The connection mode of the first tube 110 and the second tube 120 can be selected as required, and the first tube 110 and the second tube 120 of the embodiment are welded. Of course, in other embodiments, the first tube 110 and the second tube 120 may be screwed or connected by a fastener such as a bolt, and the like, and are not limited in particular.

The first pipe 110 of this embodiment is an arc-shaped pipe; such an arrangement is advantageous for further saving installation space. Of course, in other embodiments, the first pipe 110 may also be a straight pipe or a substantially S-shaped pipe.

The second tube 120 of this embodiment is a straight tube. Of course, in other embodiments, the second pipe 120 may also be an arc-shaped elbow or a substantially S-shaped pipe.

The core tube 200 of the present embodiment is the arc-shaped outer tube 100, so that the core tube 200 is reliably disposed in the outer tube 100, which is advantageous to reduce the installation space occupied by the muffling tube 010.

Of course, in other embodiments, the core tube 200 may be a straight tube or a substantially S-shaped tube.

The number of the partition plates 210 arranged on the core tube 200 can be selected according to the requirement, the outer passages 230 formed between the core tube 200 and the outer tube 100 can be divided into different numbers of silencing cavities by the corresponding partition plates 210 with different numbers, the core tube 200 can be divided into different numbers of tube parts by the partition plates 210 with different numbers, each tube part can be provided with different numbers of through holes 220 and passages 230 according to the requirement, and the inner diameters of the through holes 220 and the passages 230 can be adjusted according to the silencing requirement. Thus, when the design is changed according to different noise elimination frequencies, only different numbers of partition plates 210 need to be arranged on the core pipe 200 according to corresponding noise elimination requirements, and different numbers of through holes 220 and channels 230 are arranged on the pipe parts of the core pipe 200 divided by the partition plates 210, so that the scheme change mode is simple and easy to operate.

It should be noted that the position of the partition 210 in the length extending direction of the core tube 200 can be adjusted according to different noise elimination requirements; the positions of the through holes 220 or the channels 230 of the pipe parts of the core pipe 200 can be adjusted according to different silencing requirements; the inner diameter of each through hole 220 or channel 230 can be adjusted according to different silencing requirements; for example: the first pipe portion 241 is provided with through holes 220 for communicating the inner passage 230 with the outer passage 230, and the second pipe portion 242 is provided with passages 230 for communicating the inner passage 230 with the outer passage 230, or the first pipe portion 241 and the second pipe portion 242 are each provided with through holes 220 for communicating the inner passage 230 with the outer passage 230, and the number of the through holes 220 provided in the first pipe portion 241 is larger than the number of the through holes 220 provided in the second pipe portion 242, or the first pipe portion 241 and the second pipe portion 242 are each provided with through holes 220 for communicating the inner passage 230 with the outer passage 230, and the inner diameter of the through hole 220 provided in the first pipe portion 241 is larger than the inner diameter of the through hole 220 provided in the second pipe portion 242, and the like, which are not listed herein.

Referring to fig. 2, in the present embodiment, the core tube 200 is provided with five partition plates 210, the five partition plates 210 divide the outer passage 230 between the core tube 200 and the outer tube 100 into six sound-deadening cavities, and the core tube 200 is divided into six tube portions by the five partition plates 210, and the six tube portions, which divide the core tube 200 by the partition plates 210, are respectively defined as: the first pipe portion 241, the second pipe portion 242, the third pipe portion 243, the fourth pipe portion 244, the fifth pipe portion 245 and the sixth pipe portion 246 are provided with the through holes 220, the number of the through holes 220 is gradually increased, and the second pipe portion 242 is provided with one passage 230.

It should be noted that, in other embodiments, the number of the partition boards 210 provided in the core tube 200 may be one, two, etc., and is not limited in particular.

It should be noted that, taking the example where the second pipe portion 242 is provided with the passage 230, a vent pipe 231 is fixedly connected to a side wall of the second pipe portion 242, and the vent pipe 231 is provided with the passage 230 for communicating the inner passage 230 with the outer passage 230.

The partition 210 of the present embodiment has a circular ring shape; this is so arranged as to reliably partition the outer passage 230 between the core tube 200 and the outer tube 100 into at least two sound-deadening chambers by the partition 210.

Further, the inside-to-outside pitch of the annular spacer 210 of the present embodiment is kept uniform around the circumferential direction of the spacer 210, so that the annular spacer 210 is disposed coaxially with the core tube 200.

In the present embodiment, the width of each of the annular spacers 210 along the radial direction is different; the width dimension of the five separators 210 in the radial direction gradually decreases in the direction from the air inlet end to the air outlet end of the outer tube 100, i.e., in the direction from the end of the outer tube 100 having the large inner diameter dimension to the end of the outer tube having the small inner diameter dimension.

The connection mode of the partition 210 and the core tube 200 can be selected according to the requirement, and the partition 210 and the core tube 200 of the embodiment are integrally formed. Of course, in other embodiments, the connection manner of the partition 210 and the core tube 200 may be welding, clamping, etc., and is not limited in particular.

Optionally, referring to fig. 2, the core tube 200 is provided with a flange 250, and the flange 250 abuts against the second pipe 120; with this arrangement, the stability of the core tube 200 disposed in the first tube 110 can be improved.

Further, the flange 250 is fixedly connected to the core tube 200 at an angle. The angle of the flange 250 to the core tube 200 may be selected as desired, for example: 120 °, 135 °, 90 °, etc., and is not particularly limited herein.

It should be noted that the connection mode of the flange 250 and the core tube 200 can be selected according to the requirement, for example: integrally formed or welded, etc., and is not particularly limited herein.

In summary, the automobile of the present invention is provided with a supercharged engine, which is provided with a muffler pipe 010; the muffling pipe 010 can set up the baffle 210 of different quantity at the core pipe 200 according to the muffling demand of high frequency noise and low frequency noise, in order to separate the outer passageway 230 and be the muffling cavity of different quantity, and set up various quantity at first pipe portion 241 and second pipe portion 242 at least, be used for communicateing the through-hole 220 and the passageway 230 of inner channel 230 and outer passageway 230, can make the muffling pipe 010 satisfy the demand of eliminating high frequency noise and low frequency noise simultaneously, and no longer need set up the intake muffling pipe 310 of eliminating high frequency noise and the syntonizer 320 of eliminating low frequency noise simultaneously, a muffling pipe 010 can satisfy simultaneously and eliminate high frequency noise and low frequency noise, and then reduced the requirement to installation space, and be convenient for install.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An anechoic tube, comprising:

an outer tube;

the core tube is provided with an inner channel extending along the length direction of the core tube, the core tube is arranged in the outer tube, and the outer channel is formed between the core tube and the outer tube; the core pipe is provided with at least one baffle for dividing the outer channel into at least two silencing cavities and at least dividing the core pipe into a first pipe part and a second pipe part, and the first pipe part and the second pipe part are both provided with at least one of a through hole and a channel for communicating the inner channel with the outer channel.

2. The muffling tube of claim 1, wherein the outer tube comprises a first tube and a second tube connected to each other, the core tube is disposed within the first tube, and the tube diameter of the first tube gradually increases from an end away from the second tube to an end close to the second tube.

3. The muffler pipe of claim 2, wherein the first pipe body is an arc-shaped bent pipe.

4. The muffler pipe of claim 2, wherein the second pipe body is a straight pipe.

5. The muffler pipe according to claim 1, wherein the first pipe portion is provided with the through hole for communicating the inner passage and the outer passage, and the second pipe portion is provided with the passage for communicating the inner passage and the outer passage.

6. The muffler pipe according to claim 1, wherein the first pipe portion and the second pipe portion are each provided with the through holes for communicating the inner passage and the outer passage, and the first pipe portion is provided with a larger number of the through holes than the second pipe portion.

7. The muffler pipe according to claim 1, wherein the first pipe portion and the second pipe portion are each provided with the through hole for communicating the inner passage and the outer passage, and the first pipe portion is provided with the through hole having an inner diameter larger than that of the through hole provided in the second pipe portion.

8. The muffler pipe of claim 1, wherein the baffle is annular.

9. A supercharged engine characterized by comprising the muffler pipe according to any one of claims 1 to 8.

10. An automobile comprising the supercharged engine of claim 9.