CN206608255U - Air inlet box and gas handling system and vehicle - Google Patents
Air inlet box and gas handling system and vehicle Download PDFInfo
- Publication number
- CN206608255U CN206608255U CN201720145833.6U CN201720145833U CN206608255U CN 206608255 U CN206608255 U CN 206608255U CN 201720145833 U CN201720145833 U CN 201720145833U CN 206608255 U CN206608255 U CN 206608255U
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- air inlet
- air
- hollow housing
- inlet box
- inner chamber
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Abstract
The utility model provides air inlet box and gas handling system and vehicle, air inlet box includes hollow housing, the inlet channel of outside and hollow housing inner chamber is communicated with the one side of hollow housing, the inlet channel is made up of multiple air admission holes, the length and/or internal diameter of multiple air admission holes, the another side of hollow housing is provided with the gas outlet for being used for connecting with air filter, and the inner chamber of hollow housing forms the passage for entering for air from inlet channel, being flowed out from gas outlet.The noise produced in engine working process from air inlet box outwards propagate when, the frequency of sound wave scope of the air admission hole filtering of multiple length, internal diameter not etc. is larger, the sectional area of the propagation path of sound wave is changed and then produce the change of acoustic impedance, so that the noise emission of major part is gone back, the sound wave of seldom a part of frequency can be spread out of, very big decay is caused to noise, preferable sound-deadening and noise-reducing effect is played.
Description
Technical field
The utility model is related to air inlet box and gas handling system and vehicle.
Background technology
Existing bus engine gas handling system includes air inlet box, the gas outlet of air inlet box and the air inlet of air cleaner
Connection, air passes through air inlet pipeline air inlet engine again after the filtering of air inlet box air inlet cleaner.As the applying date is
2016.8.15, application publication number discloses a kind of inlet duct and made for CN106150790A Chinese utility model patent
With the car of the device.Inlet duct disclosed in the prior art is included on box-like housing, the opposite flank of box-like housing respectively
Provided with air inlet and gas outlet, side is mesh-plate structure wherein where air inlet, and the mesh of web plate constitutes filter opening, gas outlet position
Provided with the conduit for being connected with air filtering core, the rectification wing being made up of six flow deflectors and connection ring is installed in conduit
Piece, in addition, being also equipped with venetian blind type water-retaining structure in housing.This inlet duct when in use, due to engine work
During air throttle opening and closing, the detonation in cylinder, the impact of high velocity air etc., larger noise can be formed and from inlet duct
Air inlet outwards spread out of, the passenger on the vehicle of carrying engine is born larger noise and invade and harass.
Utility model content
The purpose of this utility model is to provide a kind of air inlet box for being capable of sound-deadening and noise-reducing；Meanwhile, the utility model is also carried
Gas handling system and vehicle for using the air inlet box.
Air inlet box of the present utility model includes being communicated with outside and hollow shell on hollow housing, the one side of hollow housing
The inlet channel of intracoelomic cavity, the inlet channel is made up of multiple air admission holes, the length and/or internal diameter of multiple air admission holes,
The another side of hollow housing, which is provided with, is used for the gas outlet that connect with air filter, and the inner chamber of hollow housing forms confession air from entering
Gas passage enters, crosses gas passage from what gas outlet was flowed out.
The noise produced in engine working process from air inlet box outwards propagate when, the air inlet of multiple length, internal diameter not etc.
The frequency of sound wave scope of hole filtering is larger, the sectional area of the propagation path of sound wave is changed and then produces the change of acoustic impedance
Change so that the noise emission of major part is gone back, the sound wave of seldom a part of frequency can be spread out of, very big decline is caused to noise
Subtract, play preferable sound-deadening and noise-reducing effect.
Through tube of the side of hollow housing provided with outside multiple connections and hollow housing inner chamber, the air admission hole is by passing through
The endoporus of siphunculus is constituted.By the endoporus formation air admission hole for the through tube being arranged on side, it is simple to manufacture, it is easy to process.
Multiple through tubes are parallel to each other and are decorated in array, and are so conducive to air inlet, it is to avoid the generation of intake swirl.
Hollow housing is the L-type housing with horizontal segment and vertical section, and inlet channel and gas outlet are located at horizontal segment respectively
With the end of vertical section, air flows out after entering from inlet channel by turning to from gas outlet.L-type housing causes the biography of noise
Path bending is broadcast, suppresses noise transmission.
Horizontal segment intracavity section product more than vertical section intracavity section accumulate, when noise on propagation path section hair
Changing, produces certain acoustic impedance change so that a part of noise reflection postbacks motivation, further functions as the purpose of noise reduction.
The cross sectional shape of horizontal segment is rectangle, and the cross sectional shape of vertical section is circle, crosses gas channel lumen shape and becomes
Change, increase reflection of the noise in communication process, play a part of noise reduction.
The inner chamber of horizontal segment and the inner chamber rounding off of vertical section, can so be such that the air-flow that inlet channel enters smoothly enters
Enter cleaner, reduce the probability that vortex is produced, engine charge is not interfered with while noise reduction.
At the gas outlet of vertical section end be provided with water conservancy diversion grid, the water conservancy diversion grid include two or more donut and
The radial fins of each donut are sequentially connected, on the one hand water conservancy diversion grid guides the pleasant entrance cleaner of air-flow, pass through water conservancy diversion
The gas passage of grid formation is also changed with the sectional area for crossing gas passage of air inlet box inner chamber, and the change of acoustic impedance is improved again
Change, optimize noise reduction.
Gas handling system of the present utility model includes air filter and the air inlet box that is connected on air filter air inlet, it is described enter
Gas box includes the inlet channel that outside and hollow housing inner chamber is communicated with hollow housing, the one side of hollow housing, described
Inlet channel is made up of multiple air admission holes, the length and/or internal diameter of multiple air admission holes, is set on the another side of hollow housing
Have an air inlet box gas outlet connected with air filter air inlet, the inner chamber of hollow housing formed enter for air from inlet channel, from
What air inlet box gas outlet was flowed out crosses gas passage.
Through tube of the side of hollow housing provided with outside multiple connections and hollow housing inner chamber, the air admission hole is by passing through
The endoporus of siphunculus is constituted.
Multiple through tubes are parallel to each other and are decorated in array.
The hollow housing is the L-type housing with horizontal segment and vertical section, inlet channel and air inlet box gas outlet difference
Positioned at horizontal segment and the end of vertical section, air flows out after entering from inlet channel by turning to from air inlet box gas outlet.
The intracavity section product of horizontal segment is accumulated more than the intracavity section of vertical section.
The cross sectional shape of horizontal segment is rectangle, and the cross sectional shape of vertical section is circle.
The inner chamber of horizontal segment and the inner chamber rounding off of vertical section.
At the gas outlet of vertical section end be provided with water conservancy diversion grid, the water conservancy diversion grid include two or more donut and
It is sequentially connected the radial fins of each donut.
Vehicle of the present utility model, including engine aspirating system, the gas handling system include air filter and are connected to
Air inlet box on air filter air inlet, the air inlet box includes being communicated with outside on hollow housing, the one side of hollow housing
With the inlet channel of hollow housing inner chamber, the inlet channel is made up of multiple air admission holes, the length of multiple air admission holes and/or interior
Footpath, the another side of hollow housing is provided with the air inlet box gas outlet connected with air filter air inlet, hollow housing it is interior
Chamber formation enters from inlet channel for air, crosses gas passage from what air inlet box gas outlet was flowed out.
Through tube of the side of the hollow housing provided with outside multiple connections and hollow housing inner chamber, the air admission hole
It is made up of the endoporus of through tube.
Multiple through tubes are parallel to each other and are decorated in array.
The hollow housing is the L-type housing with horizontal segment and vertical section, inlet channel and air inlet box gas outlet difference
Positioned at horizontal segment and the end of vertical section, air flows out after entering from inlet channel by turning to from air inlet box gas outlet.
The intracavity section product of horizontal segment is accumulated more than the intracavity section of vertical section.
The cross sectional shape of horizontal segment is rectangle, and the cross sectional shape of vertical section is circle.
The inner chamber of horizontal segment and the inner chamber rounding off of vertical section.
At the gas outlet of vertical section end be provided with water conservancy diversion grid, the water conservancy diversion grid include two or more donut and
It is sequentially connected the radial fins of each donut.
Brief description of the drawings
Fig. 1 is the schematic diagram of gas handling system of the present utility model；
Fig. 2 is the stereogram of air inlet box of the present utility model；
Fig. 3 is the structural representation of air inlet box of the present utility model；
Fig. 4 is the structural representation of air inlet end cap；
Fig. 5 is the structural representation of water conservancy diversion grid.
Embodiment
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
The specific embodiment of vehicle of the present utility model, including engine aspirating system.As Figure 1-5, engine enters
Gas system mainly includes air filter 1 and the air inlet box 5 that is connected on the air inlet 10 of air filter 1, the gas outlet of air filter with
Engine intake is connected.
Air inlet box 5 includes hollow housing, and hollow housing is L-shaped, including horizontal segment 50 and vertical section 51.Horizontal segment 50
Cross sectional shape is rectangle, with rectangular inner cavity；The cross sectional shape of vertical section 51 is circle, with round cavity；Horizontal segment it is interior
The intracavity section area of chamber and the inner chamber rounding off of vertical section and horizontal segment is more than the intracavity section area of vertical section.
The front end face of the horizontal segment 50 of hollow housing is provided with air inlet end cap 56, and air inlet end cap 56 is provided with multiple through tubes
55.The interference spiral-lock of air inlet end cap 56 is on the front opening of horizontal segment 50, and the endoporus 52 of through tube 55 will be hollow as air admission hole
Housing cavity and ft connection, the endoporus of multiple through tubes collectively form the inlet channel of air inlet box 5.Multiple through tubes 55 are mutual
Parallel and be decorated in array, the length of multiple through tubes 55 and endoporus aperture are different.In order that obtaining air inlet box horizontal segment
Front end face is concordant without being interfered with outside body part, and through tube 55 extends internally from air inlet end cap.
The lower end of the vertical section 51 of hollow housing is provided with air inlet box gas outlet 53, air inlet box gas outlet 53 and air filter air inlet
Mouth connection.I.e. water conservancy diversion grid 54 is provided with hollow housing at the lower port air inlet box gas outlet position of vertical section 51.Lead
The structure of grid 54 is flowed as shown in figure 5, including three donuts 541 and five successively radially connected three donuts
Vertical section lower ending opening is divided into multiple single passages for the gas in air inlet box by 541 radial fins 542, water conservancy diversion grid 54
Stream passes through and entered in air filter 1, can so avoid air-flow from producing vortex when entering from air inlet box in air filter, can make
Air smoothly enters air filter and to engine tonifying Qi.Certainly, the quantity and radial direction wing of the donut of water conservancy diversion grid are constituted
The quantity of piece can select to set according to the size of air inlet box gas outlet, and the quantity of such as donut can also be two or four
Individual, the quantity of radial fins can be four or six etc., be not especially limited herein.
In the present embodiment, in order to ensure the structural strength of horizontal segment, the outer surface of rectangular horizontal section is additionally provided with around outer
The reinforcement that surface is set.
When in use, outside air is entered in air inlet box air inlet system for vehicle of the present utility model by the endoporus of through tube
Chamber, flow to vertical section by horizontal segment commutation and enters air filter from the outlet of air inlet box, subsequently into engine.Pass through insertion
The endoporus of pipe collectively forms inlet channel as the endoporus of air admission hole, multiple through tubes, and extraneous larger debris can be avoided to enter
Enter gas handling system, play certain filtration.Through tube is parallel to each other and is decorated in array, and can lead into air inlet box
Air flow direction, it is to avoid the generation of vortex, make air inlet more smooth.Air inlet box gas outlet position sets water conservancy diversion grid, can be right
The air-flow for flowing to vertical section after commutation from horizontal segment carries out guiding combing, it is to avoid air produces whirlpool when entering air filter
Stream.The noise that engine work is produced by air inlet box when outwards being propagated, and sound wave enters vertical section by air inlet box gas outlet, then
Finally outwards spread out of from the inlet channel of horizontal segment front end by horizontal segment.Passage that in the process, water conservancy diversion grid is formed,
The inner chamber area of vertical section inner chamber, horizontal segment inner chamber and the air admission hole being made up of multiple insertion pipe orifices is unequal, sound
Multiple change occurs for ripple acoustic impedance on propagation path, most of noise emission is gone back, really by making an uproar that inlet channel is spread out of
Sound is very few, and the length and diameter of bore of especially multiple through tubes are different, can filter the sound wave of very big frequency range,
Make acoustic impedance change of the noise in communication process acutely, noise reduction is preferable.
Certainly, the air inlet box of vehicle of the present utility model is not limited in above-mentioned embodiment, in other embodiment
In, hollow housing can be linear or waveform or other bending shapes, however it is not limited to the L-type in the present embodiment；Hollow shell
The horizontal segment of body and the area of section of vertical section can be with equal, and cross sectional shape can also be equal, and air admission hole can not wait with length, interior
Footpath is equal, or can also internal diameter it is different, equal length can so reduce manufacture difficulty and production cost, but damage drop
Make an uproar effect.
In other embodiments, during fabrication, can be height in the two sides with certain thickness and thickness direction
Multiple parallel through holes are processed on the plate of uneven curved surface, through-hole diameter is arranged on the front end of horizontal segment after machining
At mouthful, such through hole just constitutes the air admission hole of air inlet box.
The embodiment of gas handling system of the present utility model：Its concrete structure and the gas handling system phase in above-mentioned vehicle embodiments
Together, here is omitted.
The embodiment of air inlet box of the present utility model：Its concrete structure is identical with the air inlet box in above-mentioned vehicle embodiments,
Here is omitted.
Claims (10)
1. air inlet box, it is characterised in that including hollow housing, is communicated with outside and hollow housing on the one side of hollow housing
The inlet channel of inner chamber, the inlet channel is made up of multiple air admission holes, the length and/or internal diameter of multiple air admission holes, in
The another side of empty capsid is provided with the gas outlet for being used for connecting with air filter, and the inner chamber of hollow housing, which is formed, supplies air from air inlet
The passage that passage enters, flowed out from gas outlet.
2. air inlet box according to claim 1, it is characterised in that the side of hollow housing provided with outside multiple connections and
The through tube of hollow housing inner chamber, the air admission hole is made up of the endoporus of through tube.
3. air inlet box according to claim 2, it is characterised in that multiple through tubes are parallel to each other and are decorated in array.
4. the air inlet box according to claim 1 or 2 or 3, it is characterised in that the hollow housing is with horizontal segment and erected
The L-type housing of straight section, inlet channel and gas outlet are located at the end of horizontal segment and vertical section respectively, and air enters from inlet channel
Flowed out after entering by steering from gas outlet.
5. air inlet box according to claim 4, it is characterised in that inner chamber of the intracavity section product more than vertical section of horizontal segment
Sectional area.
6. air inlet box according to claim 5, it is characterised in that the cross sectional shape of horizontal segment is rectangle, section of vertical section
Face is shaped as circle.
7. air inlet box according to claim 6, it is characterised in that the round and smooth mistake in the inner chamber of horizontal segment and the inner chamber of vertical section
Cross.
8. air inlet box according to claim 7, it is characterised in that water conservancy diversion grid is provided with the gas outlet of vertical section end,
The water conservancy diversion grid includes two or more donut and is sequentially connected the radial fins of each donut.
9. gas handling system, including air filter, it is characterised in that the air inlet of the air filter is installed appoints just like claim 1-8
Air inlet box described in meaning one.
10. vehicle, including engine aspirating system, the engine aspirating system include air filter, it is characterised in that the sky
Installed on the air inlet of filter just like the air inlet box described in claim 1-8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720145833.6U CN206608255U (en) | 2017-02-17 | 2017-02-17 | Air inlet box and gas handling system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720145833.6U CN206608255U (en) | 2017-02-17 | 2017-02-17 | Air inlet box and gas handling system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206608255U true CN206608255U (en) | 2017-11-03 |
Family
ID=60168119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720145833.6U Active CN206608255U (en) | 2017-02-17 | 2017-02-17 | Air inlet box and gas handling system and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206608255U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397319A (en) * | 2018-02-28 | 2018-08-14 | 荆州市福星塑料科技开发有限公司 | A kind of inlet pipe connection and preparation method thereof |
| CN108407292A (en) * | 2018-05-11 | 2018-08-17 | 上海联泰科技股份有限公司 | 3D printing equipment and its gas-recycling plant |
| CN108457777A (en) * | 2017-02-17 | 2018-08-28 | 郑州宇通客车股份有限公司 | A kind of air inlet box and gas handling system and vehicle |
| CN108506127A (en) * | 2018-03-19 | 2018-09-07 | 安徽江淮汽车集团股份有限公司 | Automotive air intake diversion pipe |
| CN108556344A (en) * | 2018-05-09 | 2018-09-21 | 苏州倍丰激光科技有限公司 | Guiding device |
| CN112253343A (en) * | 2020-09-14 | 2021-01-22 | 山东统亚模塑科技实业有限公司 | Air inlet channel assembly and air inlet mechanism for automobile |
-
2017
- 2017-02-17 CN CN201720145833.6U patent/CN206608255U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108457777A (en) * | 2017-02-17 | 2018-08-28 | 郑州宇通客车股份有限公司 | A kind of air inlet box and gas handling system and vehicle |
| CN108457777B (en) * | 2017-02-17 | 2023-09-29 | 宇通客车股份有限公司 | Air inlet box, air inlet system and vehicle |
| CN108397319A (en) * | 2018-02-28 | 2018-08-14 | 荆州市福星塑料科技开发有限公司 | A kind of inlet pipe connection and preparation method thereof |
| CN108506127A (en) * | 2018-03-19 | 2018-09-07 | 安徽江淮汽车集团股份有限公司 | Automotive air intake diversion pipe |
| CN108506127B (en) * | 2018-03-19 | 2019-09-24 | 安徽江淮汽车集团股份有限公司 | Automotive air intake diversion pipe |
| CN108556344A (en) * | 2018-05-09 | 2018-09-21 | 苏州倍丰激光科技有限公司 | Guiding device |
| CN108556344B (en) * | 2018-05-09 | 2024-03-08 | 苏州倍丰智能科技有限公司 | Flow guiding device |
| CN108407292A (en) * | 2018-05-11 | 2018-08-17 | 上海联泰科技股份有限公司 | 3D printing equipment and its gas-recycling plant |
| CN112253343A (en) * | 2020-09-14 | 2021-01-22 | 山东统亚模塑科技实业有限公司 | Air inlet channel assembly and air inlet mechanism for automobile |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: 450016 Yutong Industrial Zone, eighteen Li River, Henan, Zhengzhou Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |