CN112483284A - Silencer assembly for automobile fuel steam desorption system - Google Patents
Silencer assembly for automobile fuel steam desorption system Download PDFInfo
- Publication number
- CN112483284A CN112483284A CN202011560619.XA CN202011560619A CN112483284A CN 112483284 A CN112483284 A CN 112483284A CN 202011560619 A CN202011560619 A CN 202011560619A CN 112483284 A CN112483284 A CN 112483284A
- Authority
- CN
- China
- Prior art keywords
- cavity structure
- automobile fuel
- desorption system
- lower cavity
- ring body
- 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.)
- Pending
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 23
- 238000003795 desorption Methods 0.000 title claims abstract description 22
- 230000003584 silencer Effects 0.000 title claims abstract description 19
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 3
- 241001330002 Bambuseae Species 0.000 claims description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 3
- 239000011425 bamboo Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 230000030279 gene silencing Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000001743 silencing effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
- F02M35/1205—Flow throttling or guiding
- F02M35/1216—Flow throttling or guiding by using a plurality of holes, slits, protrusions, perforations, ribs or the like; Surface structures; Turbulence generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
- F02M35/1277—Reinforcement of walls, e.g. with ribs or laminates; Walls having air gaps or additional sound damping layers
Abstract
The invention discloses a silencer component for an automobile fuel steam desorption system, which comprises an upper cavity structure and a lower cavity structure which are axially and oppositely connected, wherein the axial outer end faces of the upper cavity structure and the lower cavity structure are respectively communicated with and provided with a connecting structure for connecting with a pipeline in an automobile fuel steam desorption system, the silencer component also comprises a perforated ring structure which is arranged in the upper cavity structure and the lower cavity structure in a penetrating way or not, the perforation ring structure comprises a perforation ring body and a plurality of positioning rings which are radially and annularly arranged on the outer side of the perforation ring body, a plurality of through-hole has been seted up respectively by the region that the holding ring separates on the wearing ring body, and every through-hole diameter by the region that separates is different, can have the alternative to wide band noise amortization, also can be to the noise amortization of fixed frequency, uses in a flexible way, satisfies diversified demand.
Description
Technical Field
The invention relates to the technical field of automobile silencing, in particular to a silencer component for an automobile fuel steam desorption system.
Background
With the implementation of the national six regulations, the emission of fuel vapors from automobiles is becoming more and more regulated. Therefore, the fuel desorption system needs to be upgraded by automobile manufacturers to meet the requirements of regulations, and in the process, part of the replaced elements often bring disturbing noise to the cockpit. Also disclosed a lot of muffler structures among the prior art, for example the chinese utility model patent that publication number is CN206016909U, its noise eliminator is used in car turbo charger, and for air intake system's silencer, the volume is great relatively, can occupy great inner space, and can not satisfy the demand of making an uproar that falls of wide band noise, because the car of different models adopts different solenoid valves, the noise of different frequency channels can appear. Also, as disclosed in chinese patent publication No. CN106894925A, the multi-chamber combined perforated muffler is also used in the air intake system, and only the theoretical noise reduction effect is considered, and the poor workability is not considered, so that the cost is too high and the muffler is not suitable for the automobile market with a strong price competition.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides the silencer component for the automobile fuel steam desorption system, which can be used for silencing broadband noise and fixed-frequency noise, has the advantages of selectivity, flexible use, capability of meeting diversified requirements, simple and reliable structure and assembly, good machinability and low cost.
The technical effect to be achieved by the invention is realized by the following scheme: the utility model provides a muffler subassembly for car fuel steam desorption system, includes the last cavity structure and the lower cavity structure that axial opposition is connected, wherein goes up the outer terminal surface of cavity structure and lower cavity structure's axial and feeds through respectively and be equipped with connection structure for with the tube coupling among the car fuel steam desorption system, the muffler subassembly still includes wears to establish or does not wear to establish the perforation ring structure in last cavity structure and lower cavity structure, the perforation ring structure includes that perforation ring body and radial ring establish a plurality of holding ring in the perforation ring body outside, a plurality of through-hole has been seted up respectively by the region that the holding ring separates on the perforation ring body, and every is different by the regional through-hole diameter that separates.
Preferably, the number of the positioning rings is 4, the number of the areas separated by the positioning rings on the perforated ring body is 5, and 5 cavity spaces are formed between the perforated ring body and the upper cavity structure and between the perforated ring body and the lower cavity structure.
Preferably, the axial outer side surfaces of the upper cavity structure and the lower cavity structure are further provided with a plurality of reinforcing ribs which are uniformly distributed at intervals.
Preferably, the single reinforcing rib is also arranged in a plurality of sections at intervals.
Preferably, the number of the reinforcing ribs is four, and the reinforcing ribs are arranged at intervals in three sections.
Preferably, the ratio of the cross-sectional area of the inner cavity of the silencer component to the cross-sectional area of the inlet and the outlet is 81: 1.
Preferably, the connection structure is a barb-type bamboo joint structure.
Preferably, a sealing ring is further arranged on the connecting structure.
The invention has the following advantages:
1. the silencer assembly is arranged into an upper cavity structure and a lower cavity structure which are oppositely connected, and the silencer assembly further comprises a perforated ring structure which is arranged in the upper cavity structure and the lower cavity structure in a penetrating way or not, so that the silencer assembly can be used for silencing broadband noise and silencing noise with fixed frequency, has selectivity and flexible use, and meets diversified requirements;
2. the perforated ring structure is simple and reliable to assemble, good in machinability and low in cost;
3. the axial outside surface of going up cavity structure and cavity structure down still is equipped with many strengthening ribs of even interval distribution, the list the strengthening rib can also be multistage interval arrangement for make things convenient for the moulding plastics and follow-up course of working of plastics, can prevent the rotation of muffler subassembly when the dress pipeline of connecing simultaneously.
Drawings
FIG. 1 is a schematic view of an exploded view of a muffler assembly for an automobile fuel vapor desorption system according to the present invention;
FIG. 2 is a schematic cross-sectional view of a muffler assembly for an automobile fuel vapor desorption system according to the present invention;
FIG. 3 is a schematic plan view of the upper cavity structure of FIG. 1;
FIG. 4 is a schematic plan view of the perforated ring structure of FIG. 1;
fig. 5 is a schematic plan view of the lower cavity structure of fig. 1.
Detailed Description
The invention is described in detail below with reference to the drawings, wherein examples of the embodiments are shown in the drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the interconnection of two elements or through the interaction of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 5, an embodiment of the present invention provides a muffler assembly for an automobile fuel vapor desorption system, including an upper cavity structure 100 and a lower cavity structure 200 that are axially and oppositely connected, where the axial outer end surfaces of the upper cavity structure 100 and the lower cavity structure 200 are respectively provided with a connection structure 300 in a communication manner for connecting with a pipeline in the automobile fuel vapor desorption system, where the connection structure 300 may be a barb-shaped bamboo joint structure, and the pipeline may be a nylon pipe, which is convenient to plug. The connecting structure 300 is further provided with a sealing ring 400 for sealing between the connecting structure 300 and a pipeline. When the silencer component is connected, gas flows along the axial direction of the upper cavity structure 100 and the lower cavity structure 200, one outer end connecting structure 300 is used for air inlet, and the other opposite outer end connecting structure 300 is used for air outlet, so that the silencing and noise reduction effects on an automobile fuel steam desorption system are realized. Preferably, the upper cavity structure 100 and the lower cavity structure 200 are both hollow cylinder structures, the ratio of the inner cavity sectional area to the inlet and outlet sectional area (i.e. the expansion ratio of the upper cavity structure 100 and the lower cavity structure 200) of the silencer assembly is 81:1, and the silencing effect of the silencer is better.
The silencer assembly further comprises a perforated ring structure 500 which penetrates or does not penetrate through the upper cavity structure 100 and the lower cavity structure 200, the perforated ring structure 500 comprises a perforated ring body 510 and a plurality of positioning rings 520 which are radially and annularly arranged on the outer side of the perforated ring body 510, a plurality of through holes 530 are respectively formed in the areas, separated by the positioning rings 520, of the perforated ring body 510, and the through holes 530 in each separated area are different in diameter and used for silencing noise in different frequency bands. Preferably, the number of the positioning rings 520 is 4, the number of the areas separated by the positioning rings 520 on the perforated ring body 510 is 5, 5 cavity spaces (a, B, C, D, E) are formed between the perforated ring body 510 and the upper cavity structure 100 and the lower cavity structure 200, and the diameters of the through holes 530 corresponding to each cavity space are different, so that the noise reduction of the wide-band noise is realized.
Further, the length of the upper cavity structure 100 is greater than the length of the lower cavity structure 200, and preferably, the length of the upper cavity structure 100 is 2 times or more of the length of the lower cavity structure 200. It can also be understood that the length of the lower cavity structure 200 is greater than the length of the upper cavity structure 100, and preferably, the length of the lower cavity structure 200 is 2 times or more of the length of the upper cavity structure 100, so as to ensure that the parameters inside the cavity are consistent and the design and manufacture are convenient.
In the embodiment of the present invention, the axial outer side surfaces of the upper cavity structure 100 and the lower cavity structure 200 are further provided with a plurality of reinforcing ribs 600 uniformly distributed at intervals, and the single reinforcing rib 600 may also be arranged in a plurality of sections at intervals, so as to facilitate injection molding and subsequent processing of plastic parts, and simultaneously prevent rotation of the muffler assembly when a pipeline is mounted. Preferably, the number of the reinforcing ribs 600 is four, the reinforcing ribs are arranged at intervals in three sections, the reasonable layout is realized, and the manufacturing cost and the assembling effect are considered.
In the embodiment of the present invention, the upper cavity structure 100 and the lower cavity structure 200 may be detachably connected or non-detachably connected, wherein the detachable connection includes but is not limited to a rotational friction connection, a snap connection, and the like, and the non-detachable connection includes but is not limited to a laser welding, and the like.
The muffler assembly provided by the embodiment of the invention is made of a high-strength plastic material, and the integral temperature resistance is-40-150 ℃.
The upper cavity structure 100 and the lower cavity structure 200 of the embodiment of the present invention have a sound-deadening function when they are connected together, and when the perforated ring structure 500 is not added, the frequency range of sound-deadening and noise-reducing is narrow, and when the perforated ring structure 500 is added, the frequency range of sound-deadening and noise-reducing is wide. Before shipping, the perforated ring structure 500 of the embodiment of the present invention determines whether to be installed, and the silencer component installed in the perforated ring structure 500 is used for silencing broadband noise, and the silencer component not installed in the perforated ring structure 500 is used for silencing narrow-band noise.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the embodiments of the present invention and not for limiting the same, and although the embodiments of the present invention are described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the embodiments of the present invention, and these modifications or equivalent substitutions cannot make the modified technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A silencer component for an automobile fuel steam desorption system is characterized by comprising an upper cavity structure and a lower cavity structure which are axially oppositely connected, wherein the axial outer end faces of the upper cavity structure and the lower cavity structure are respectively communicated with a connecting structure and are used for being connected with a pipeline in the automobile fuel steam desorption system; the silencer subassembly still wears to establish or does not wear to establish the perforation ring structure in last cavity structure and lower cavity structure, the perforation ring structure includes that perforation ring body and radial ring establish a plurality of holding ring in the perforation ring body outside, a plurality of through-hole has been seted up respectively by the region that the holding ring separates on the perforation ring body, and every is different by the regional through-hole diameter that separates.
2. The muffler assembly of claim 1, wherein the number of the positioning rings is 4, the number of the areas separated by the positioning rings on the perforated ring body is 5, and 5 cavity spaces are formed between the perforated ring body and the upper cavity structure and the lower cavity structure.
3. The muffler assembly for an automobile fuel vapor desorption system of claim 1, wherein the axially outer surfaces of the upper cavity structure and the lower cavity structure are further provided with a plurality of ribs which are uniformly spaced apart.
4. The muffler assembly for an automobile fuel vapor desorption system of claim 3, wherein the single reinforcing rib is further arranged in a plurality of segments at intervals.
5. The muffler assembly for an automobile fuel vapor desorption system as claimed in claim 4, wherein the number of the reinforcing ribs is four, and the reinforcing ribs are arranged at intervals in three stages.
6. A muffler assembly for an automobile fuel vapor desorption system as set forth in claim 1, wherein the ratio of the cross-sectional area of the inner cavity to the cross-sectional area of the inlet/outlet is 81: 1.
7. The muffler assembly for an automobile fuel vapor desorption system of claim 1, wherein the connecting structure is a barb-type bamboo joint structure.
8. The muffler assembly for an automobile fuel vapor desorption system as claimed in claim 1 or 7, wherein a sealing ring is further provided on the connecting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011560619.XA CN112483284A (en) | 2020-12-25 | 2020-12-25 | Silencer assembly for automobile fuel steam desorption system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011560619.XA CN112483284A (en) | 2020-12-25 | 2020-12-25 | Silencer assembly for automobile fuel steam desorption system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112483284A true CN112483284A (en) | 2021-03-12 |
Family
ID=74915655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011560619.XA Pending CN112483284A (en) | 2020-12-25 | 2020-12-25 | Silencer assembly for automobile fuel steam desorption system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112483284A (en) |
-
2020
- 2020-12-25 CN CN202011560619.XA patent/CN112483284A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6258144B1 (en) | Air filtering device for a vehicle engine including interengaged filter members and a flow regulation member | |
| US10907517B2 (en) | Silencer and vehicle engine including same | |
| JP5048686B2 (en) | Filter tube | |
| CN101240762B (en) | Engine air intake system with resilient coupling having internal noise attenuation tuning | |
| CN105899776B (en) | Modularization mixer for gas deflation assembly | |
| US8209972B2 (en) | X-tube and corresponding exhaust system | |
| CN101113702A (en) | Air inlet | |
| CN111954777A (en) | Refrigerant circuit coolant line and method for manufacturing same | |
| CN213870063U (en) | Silencer assembly for automobile fuel steam desorption system | |
| CN104024650A (en) | Azimuthal alignment of three parts of a compressor volute | |
| US20190360379A1 (en) | Modular muffler assembly and method | |
| CN112483284A (en) | Silencer assembly for automobile fuel steam desorption system | |
| JP2001107728A (en) | Exhaust manifold | |
| US7582267B1 (en) | Space saving serviceable exhaust aftertreatment assembly | |
| CN215292727U (en) | Bent pipe connecting structure and engine air inlet system | |
| CN211314431U (en) | Fuel filter seat and engine with same | |
| CN207420668U (en) | Silencer and with its vehicle | |
| US20150123396A1 (en) | Master flange assembly | |
| CN212774551U (en) | Integrated automobile air filter system | |
| CN214741736U (en) | Silencing element for automobile fuel desorption system | |
| AU763184B2 (en) | Air filtering device for a vehicle engine | |
| CN215486309U (en) | Air outlet pipe assembly of air filter | |
| CN215927557U (en) | Air compressor air inlet pipe and engine with same | |
| CN214577451U (en) | Empty shell structure of straining with fuel desorption connects | |
| CN214304098U (en) | Noise-reducing air filter structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |