CN208010491U - A kind of vehicle and its drainage tube - Google Patents
A kind of vehicle and its drainage tube Download PDFInfo
- Publication number
- CN208010491U CN208010491U CN201820048077.XU CN201820048077U CN208010491U CN 208010491 U CN208010491 U CN 208010491U CN 201820048077 U CN201820048077 U CN 201820048077U CN 208010491 U CN208010491 U CN 208010491U
- Authority
- CN
- China
- Prior art keywords
- resonant cavity
- drainage tube
- insertion tube
- tube
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of drainage tube, the hull outside of drainage tube is equipped with resonant cavity, and resonant cavity and shell keep sealing;Intra resonant cavity is equipped with insertion tube, is connected to inside insertion tube and drainage tube.Resonant cavity and insertion tube provided by the utility model form a sound-attenuating system, eliminate gas handling system low-frequency noise, improve passenger's comfort.The invention also discloses a kind of vehicles with above-mentioned drainage tube, can noise elimination noise reduction.
Description
Technical field
The utility model is related to topics on vehicle structure technology fields, more specifically to a kind of drainage tube.In addition, this practicality
It is novel to further relate to a kind of vehicle including above-mentioned drainage tube.
Background technology
Vehicle will produce the noise of various frequencies in driving conditions, easily be made to occupant in noise transmission to crew module
At interference, the comfort of occupant is influenced.Such as it is continuously in noisy environment and may make one to generate irritated, slow in reacting etc. ask
Topic, noise is also possible to take sb's mind off sth, or even causes traffic accident.
Inflow noise is one of main sound source of automobile engine, the raising with engine speed and sucking air velocity
Increase, turbulent flow, vortex intensity, the fluctuation intensity of manifold pressure and the frequency of gas channel can increase therewith, and air inlet is made to make an uproar
Sound increases.The drainage tube of vehicle can not avoid real estate during the work time due to being used to guide air to enter air cleaner
Raw noise, influences environment inside car, causes noise pollution, so that occupant is generated uncomfortable.
It is that current those skilled in the art are urgently to be resolved hurrily in conclusion how to provide a kind of drainage tube reducing noise
The problem of.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of drainage tube, low-frequency noise can be eliminated, occupant is improved and relaxes
Adaptive.
The another object of the utility model is to provide a kind of vehicle including above-mentioned drainage tube, can noise elimination noise reduction.
To achieve the goals above, the utility model provides the following technical solutions:
A kind of drainage tube, including shell, the hull outside are equipped with resonant cavity, and the resonant cavity keeps close with the shell
Envelope;The intra resonant cavity is equipped with insertion tube, and the insertion tube is connected to the inside of the shell.
Preferably, the cross sectional area range of the volume of the resonant cavity ranging from 1.9L to 2.1L, the insertion tube is
600mm2To 700mm2, the length range of the insertion tube is 70mm to 80mm.
Preferably, the volume of the resonant cavity is 2L, and the cross-sectional area of the insertion tube is 650mm2, the insertion tube
Length is 75mm.
Preferably, the shell includes upper shell and lower housing, and the upper shell and the lower housing are fixed by snap
Connection.
Preferably, the resonant cavity is set to the outside of the upper shell.
Preferably, the resonant cavity, the insertion tube and the upper shell are an integral structure part.
Preferably, several reinforcing ribs are equipped between the resonance cavity wall and the insertion pipe outer wall.
A kind of vehicle, including any one of the above drainage tube.
Preferably, the outer surface of the resonant cavity keeps interval to avoid interference with interior other component.
The hull outside of drainage tube provided by the utility model is equipped with resonant cavity, and resonant cavity is hermetically connected with the shell;Resonance
Chamber is internally provided with insertion tube, and insertion tube is connected to enclosure interior.
Since the inside of insertion tube and drainage tube is in connected state, the gas for flowing through drainage tube understands some from insertion
Pipe enters in resonant cavity, and resonant cavity and insertion tube form a sound-attenuating system, reduces inflow noise.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is provided the appearance schematic diagram of specific embodiment by the utility model;
Fig. 2 is provided the vertical view semi-cutaway of specific embodiment by the utility model;
Fig. 3 is provided the main view semi-cutaway of specific embodiment by the utility model.
In Fig. 1-3:
1 it is resonant cavity, 2 be installation point, 3 be insertion tube, 4 be upper shell, 5 be lower housing, 6 be reinforcing rib, 7 is buckle.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The core of the utility model is to provide a kind of drainage tube, can eliminate low-frequency noise, improves occupant comfort.This reality
It is to provide a kind of vehicle with above-mentioned drainage tube with novel another core, it can noise elimination noise reduction.
Please refer to Fig.1 the appearance schematic diagram that -3, Fig. 1 is provided specific embodiment by the utility model;Fig. 2 is that this practicality is new
The vertical view semi-cutaway of the provided specific embodiment of type;Fig. 3 is provided the main view semi-cutaway of specific embodiment by the utility model.
The utility model provides a kind of drainage tube that can reduce noise, and the hull outside of drainage tube is equipped with resonant cavity 1, humorous
Shake chamber 1 and shell keeps sealing;Resonant cavity 1 is internally provided with insertion tube 3, and insertion tube 3 is connected to enclosure interior.
Specifically, the air cleaner of drainage tube and vehicle connects, play the role of that air-flow is guided to enter air cleaner.
Drainage tube is tubular housing structure, and tail portion is connect with air cleaner, and the other end passes through the bolt and vehicle body water in installation point 2
Crossbeam on case is fixed.
For resonant cavity 1 for generating resonance effect to reduce noise, the end face and the outer surface of drainage tube shell of resonant cavity 1 are close
Envelope connection;The inside of resonant cavity 1 is provided with insertion tube 3 close to the side of shell, the both ends of insertion tube 3 respectively with inside drainage tube and
The inside of resonator 1 is connected, and the gas for flowing through drainage tube is entered by insertion tube 3 in resonant cavity 1, and 1 inside of resonant cavity is formed
Sound-attenuating system realizes the effect of sound-deadening and noise-reducing to weaken the noise of drainage tube.
Further, the cross sectional area range of the volume of resonant cavity 1 ranging from 1.9L to 2.1L, insertion tube 3 are 600mm2
To 700mm2, the length range of insertion tube 3 is 70mm to 80mm.
Specifically, the above-mentioned structure for eliminating the noise is mainly by 1 volume of resonant cavity, 3 sectional area of insertion tube and insertion tube 3
The influence of three parameters of length selects the noise elimination knot with above-mentioned parameter range to eliminate the noise that centre frequency is 130Hz
Structure, to eliminate frequency as the noise of 130Hz.
Optionally, in a specific embodiment of the utility model, the volume of resonant cavity 1 is 2L, insertion tube 3 it is transversal
Area is 650mm2, the length of insertion tube 3 is 75mm.
It should be understood that the cavity body structure that cuboid, cylinder or other volumes are 2L can be used in resonant cavity 1;Insertion tube 3
The tubular structure of the shapes such as rectangular cross-section, circle can be used.Such as it is both ends semicircle, intermediate rectangular that cross sectional shape, which can be used,
Tubular structure, wherein design parameter can be semicircle radius 8mm, and the length and width of intermediate rectangular distinguishes 28mm and 16mm.It is optional
, the section of insertion tube 3 can be other shapes, and it is 650mm to meet 3 sectional area of insertion tube2.
Optionally, shell includes upper shell 4 and lower housing 5, and upper shell 4 is fixedly connected with lower housing 5 by buckle 7.
Specifically, the structure that upper shell 4 can be used in drainage tube, lower housing 5 is clamped, such as be arranged on upper shell 4 several
A buckle 7 makes the shell of drainage tube be fixedly connected correspondingly, clamping structure is arranged in the corresponding position of lower housing 5 by buckle 7
And keep certain sealing.
Optionally, on the basis of any one above-mentioned embodiment, resonant cavity 1 is set to the outside of upper shell 4.
Specifically, the practical structures of drainage tube are not usually a linear pipeline, but have in the middle part of tube body certain
The structure of bending.For example, when being bent for the direction of the middle part upper shell 4 upward of drainage tube, it can be in 4 bent area of upper shell
Resonant cavity 1 is set near domain, and resonant cavity 1 makes full use of the space in bending region, installation caused by avoiding body structure compact
It is inconvenient.It should be understood that resonant cavity 1 may also be arranged in the other positions of drainage tube.
Further, to facilitate installation, resonant cavity 1, insertion tube 3 and upper shell 4 are an integral structure part.
Specifically, the upper shell 4 and lower housing 5 of resonant cavity 1 can distinguish injection molding, wherein 4 resonant cavity 1 of upper shell,
Insertion tube 3 is integrated blowing and is made.Directly upper shell 4 and lower housing 5 are fixed i.e. by buckle 7 during installation
Can, it is separately installed without being carried out to resonant cavity 1 and insertion tube 3.
In addition, the better tightness in integrally manufactured molding structure between each section, avoids bad due to artificially installing
Caused by gas leakage problem.
Further, in order to improve the panel mode on 1 each surface of resonant cavity, on the basis of any one above-mentioned embodiment
On, several reinforcing ribs 6 are equipped between 3 outer wall of 1 inner wall of resonant cavity and insertion tube.
It is damaged in view of resonant cavity 1 may generate resonance with the parts in vehicle body and generates regeneration noise.Cause
This this specific embodiment can be internally provided with mostly in resonant cavity 1 with the reinforcing rib 6 being distributed in length and breadth, the outer wall of reinforcing rib 6 and insertion tube 3
The inner wall of resonant cavity 1 is connected, and to improve the intensity on 1 surface of resonant cavity, reduces resonant cavity 1 and is risk of damage to, subtract simultaneously
Noise is regenerated less.
In addition to above-mentioned drainage tube, the utility model also provides a kind of vehicle with above-mentioned drainage tube, and the vehicle is due to making
With drainage tube provided by the present application, the inflow noise of vehicle can be reduced, has the effect of sound-deadening and noise-reducing.
Further, in order to avoid resonant cavity 1 and other interior parts generate interference, in any one above-mentioned embodiment
On the basis of, the outer surface of resonant cavity 1 keeps being spaced with interior other component.
Specifically, offseting sound effect using in drainage tube side wall setting resonant cavity 1 and 3 structure of insertion tube, the shape of resonant cavity 1
Fruit influences concrete shape little, therefore that resonant cavity 1 can be adjusted according to the physical location of interior parts, and resonant cavity 1 is made to install
There is certain interval with peripheral component after the completion, prevent the resonance in resonant cavity 1 from causing to interfere to other parts.
Refer to the prior art for the structure of other each sections of the vehicle, and repeats no more herein.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
Vehicle provided by the utility model and its drainage tube are described in detail above.It is used herein specifically
A example is expounded the principles of the present invention and embodiment, and the explanation of above example is only intended to help to understand this
The method and its core concept of utility model.It should be pointed out that for those skilled in the art, not departing from
Under the premise of the utility model principle, several improvements and modifications can be made to this utility model, these improvement and modification
It falls into the protection domain of the utility model claims.
Claims (9)
1. a kind of drainage tube, including shell, which is characterized in that the hull outside is equipped with resonant cavity (1), the resonant cavity (1)
It keeps sealing with the shell;The resonant cavity (1) is internally provided with insertion tube (3), and the insertion tube (3) is interior with the shell
Portion is connected to.
2. drainage tube according to claim 1, which is characterized in that the volume ranging from 1.9L of the resonant cavity (1) is extremely
The cross sectional area range of 2.1L, the insertion tube (3) are 600mm2To 700mm2, the length range of the insertion tube (3) is 70mm
To 80mm.
3. drainage tube according to claim 2, which is characterized in that the volume of the resonant cavity (1) is 2L, the insertion tube
(3) cross-sectional area is 650mm2, the length of the insertion tube (3) is 75mm.
4. drainage tube according to claim 3, which is characterized in that the shell includes upper shell (4) and lower housing (5),
The upper shell (4) is fixedly connected with the lower housing (5) by buckle (7).
5. drainage tube according to claim 4, which is characterized in that the resonant cavity (1) is set to the outer of the upper shell (4)
Portion.
6. drainage tube according to claim 5, which is characterized in that the resonant cavity (1), the insertion tube (3) and described
Upper shell (4) is an integral structure part.
7. according to the drainage tube described in claim 1 to 6 any one, which is characterized in that resonant cavity (1) inner wall with it is described
Several reinforcing ribs (6) are equipped between insertion tube (3) outer wall.
8. a kind of vehicle, which is characterized in that including the drainage tube described in claim 1 to 7 any one.
9. vehicle according to claim 8, which is characterized in that the outer surface of the resonant cavity (1) and interior other component
Keep interval to avoid interference.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820048077.XU CN208010491U (en) | 2018-01-11 | 2018-01-11 | A kind of vehicle and its drainage tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820048077.XU CN208010491U (en) | 2018-01-11 | 2018-01-11 | A kind of vehicle and its drainage tube |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208010491U true CN208010491U (en) | 2018-10-26 |
Family
ID=63882728
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820048077.XU Expired - Fee Related CN208010491U (en) | 2018-01-11 | 2018-01-11 | A kind of vehicle and its drainage tube |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208010491U (en) |
-
2018
- 2018-01-11 CN CN201820048077.XU patent/CN208010491U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181026 Termination date: 20200111 |