CN207145103U - A kind of compact admission air silencer assembly - Google Patents
A kind of compact admission air silencer assembly Download PDFInfo
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- CN207145103U CN207145103U CN201720941187.4U CN201720941187U CN207145103U CN 207145103 U CN207145103 U CN 207145103U CN 201720941187 U CN201720941187 U CN 201720941187U CN 207145103 U CN207145103 U CN 207145103U
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Abstract
The utility model discloses a kind of compact admission air silencer assembly, including admission air silencer body, muffler air inlet pipe, hush pipe and connection transition flexible pipe, admission air silencer body interior is provided with multiple dividing plates, the inner chamber of admission air silencer body is separated into multiple individual cavities by multiple dividing plates, hush pipe is arranged between multiple dividing plates, multiple bloops are provided with the outer wall of hush pipe, one end of connection transition flexible pipe is connected with muffler air inlet pipe, the other end is connected with air filter air outlet pipe, and is locked by clamping piece.The utility model is in Arrangement of Engine-room limited space system, in the case that air cleaner assy volume is less than normal, by the size, distribution and the number that control bloop, combined with the cavity of 3 not co-contents, form the resonator of dozens of difference dominant frequency, caused by compensate for air cleaner assy volume deficiency the problem of gas handling system acoustical absorptivity difference, effectively solves gas handling system Low Medium Frequency noise problem.
Description
Technical field
It the utility model is related to muffler technical field, and in particular to a kind of compact admission air silencer assembly.
Background technology
Gas handling system is by groups such as air cleaner assy, air filter air inlet pipe, intake muffler, engine charge flexible pipes
Into being an important part in automobile engine accessory system.The function of gas handling system is removed into for filtering
Contained suspended particulate impurity in the air of engine, eliminates or reduces engine intake noise, while by engine oil
Part oil gas material caused by system and lubricating system volatilization is sent into cylinder and participates in burning.
In vehicle traveling process, engine run when it is caused vibrations noise and pneumatic noise etc. will pass through air inlet
Oral instructions are delivered in external environment.In order to reduce the noise at air inlet, it usually needs set up many noise reduction members in gas handling system
Part, such as wavelength tube, expansion chamber resonant cavity etc..Therefore, (noise, vibration and sound and vibration are coarse for vehicle NVH for gas handling system
Degree, Noise, Vibration, Harshness) performance play the role of it is important.In general, tuning volume is bigger, then its NVH
Performance is better, but existing gas handling system due to Arrangement of Engine-room space limitation and air cleaner assy volume deficiency problem,
Cause the NVH performances of gas handling system relatively low.
Utility model content
The purpose of this utility model is to provide a kind of compact admission air silencer assembly, to solve to exist in the prior art
Above mentioned problem.
To achieve these goals, the technical solution adopted in the utility model is as follows：
A kind of compact admission air silencer assembly, including admission air silencer body, muffler air inlet pipe, hush pipe and connection
Transition flexible pipe, the admission air silencer body interior are provided with multiple dividing plates, and multiple dividing plates are by the admission air silencer body
Inner chamber is separated into multiple individual cavities, and the hush pipe is arranged between the multiple dividing plate, on the outer wall of the hush pipe
Multiple bloops are provided with, one end of the connection transition flexible pipe is connected with the muffler air inlet pipe, the other end and air filter
Clear device escape pipe connection, and be locked by clamping piece.
Preferably, the quantity of the dividing plate is two, and the inner chamber of the admission air silencer body is separated into by two dividing plates
For three individual cavities, respectively the first cavity, the second cavity and the 3rd cavity.
Preferably, the total measurement (volume) of first cavity, second cavity and the 3rd cavity is 0.6~1.2L.
Preferably, the volume of first cavity, second cavity and the 3rd cavity differs.
Preferably, the quantity of the bloop corresponding to first cavity, second cavity and the 3rd cavity is equal
For 5~30.
Preferably, the aperture of the bloop is 2.0~10.0mm.
Preferably, the clamping piece is connected in the air filter air outlet pipe and the muffler air inlet pipe simultaneously.
Preferably, the clamping piece is the metal clip of semicircle arcuation.
Preferably, the air filter air outlet pipe and the muffler air inlet pipe are plastic rigid pipe, described to connect
It is rubber hose to cross flexible pipe.
Preferably, the connection transition flexible pipe is U-shaped structure.
The utility model has the advantages that：
1st, in Arrangement of Engine-room limited space system, in the case that air cleaner assy volume is less than normal, by controlling bloop
Size, distribution and number, combined with the cavity of 3 not co-contents, form the resonator of dozens of difference dominant frequency, solve
Peak noise at 4 dominant frequency such as 1102Hz, 875Hz, 455Hz, 375Hz；
2nd, shown by actual loading test data test, it is average that the utility model can meet that 350Hz~1200Hz transmits loss
More than value 15dB (A), caused by compensate for air cleaner assy volume deficiency the problem of gas handling system acoustical absorptivity difference, effectively
Solves gas handling system Low Medium Frequency noise problem；
3rd, in the case where muffler and air cleaner spatial joint clearance are small, the mutual of rubber hose and plastic rigid pipe is passed through
Occlusion and clamping, and the use of complexed metal clip, form being connected for reasonable stress, the hard tube of convenient disassembly and hard tube
Mode.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model compact admission air silencer assembly；
Fig. 2 is the connection signal of the utility model compact admission air silencer assembly air inlet and air cleaner assy
Figure；
Fig. 3 shows for the utility model compact admission air silencer assembly air inlet and the connection section view of air cleaner assy
It is intended to；
Wherein：1- admission air silencer bodies, the cavitys of 11- first, the cavitys of 12- second, the cavitys of 13- the 3rd, 2- metal clips,
3- air filter air outlet pipes, 4- connection transition flexible pipes, 5- muffler air inlet pipe, 6- hush pipes.
Embodiment
To make the purpose of this utility model, technical scheme and advantage of greater clarity, with reference to embodiment
And referring to the drawings, the utility model is further described.It should be understood that these descriptions are merely illustrative, and do not really want
Limit the scope of the utility model.In addition, in the following description, the description to known features and technology is eliminated, to avoid not
Necessarily obscure concept of the present utility model.
In the utility model, unless otherwise clearly defined and limited, the term such as term " connection ", " fixation " should be done extensively
Reason and good sense solution, for example, it may be fixedly connected or be detachably connected, or integrally；Can mechanically connect, can also
It is electrical connection；Can make to be joined directly together, can also be indirectly connected by intermediary, can be two element internals connection or
The interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned
Concrete meaning of the term in the utility model.
It should be noted that term " first " in specification and claims of the present utility model and above-mentioned accompanying drawing,
" second " etc. is for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so
The data used can exchange in the appropriate case, so that embodiment of the present utility model described herein can be with except at this
In diagram or description those beyond order implement.In addition, term " comprising " and its any deformation, it is intended that covering
Non-exclusive includes, and is not necessarily limited to clearly for example, containing the process of series of steps or unit, method, apparatus, product or equipment
Those steps or unit listed to Chu, but may include not list clearly or for these processes, method, product or
The intrinsic other steps of equipment or unit.
Embodiment 1
Need to set the silencer element of multiple different frequencies, including 875Hz silencer elements, 1102Hz in conventional gas introduction system
If silencer element, 455Hz silencer elements, 375Hz silencer elements and corresponding dry joint and metal clip etc., amount of parts
More, development cost is high, and forming technology is complicated, and assembly technology is poor, meanwhile, it is big to arrangement space requirement.
In order to overcome drawbacks described above of the prior art, the present embodiment by 875Hz silencer elements, 1102Hz silencer elements,
455Hz silencer elements, 375Hz silencer elements and corresponding 3 metal clips are integrated into 1 silencer element and 1 metal card
Hoop, reduces the number of parts, saves arrangement space, reduce development cost, improve assembly technology, while make air inlet
The other parts forming technologies of system are simple.
As shown in figure 1, the compact admission air silencer assembly that the present embodiment provides includes admission air silencer body 1, metal
Clip 2, connection transition flexible pipe 4 and hush pipe 6.
In the present embodiment, admission air silencer body 1 is internally provided with two dividing plates, and two dividing plates are by admission air silencer sheet
The inner chamber of body 1 is separated into 3 different individual cavities of volume, including the first cavity 11, the second cavity 12 and the 3rd cavity 13,
The total measurement (volume) of first cavity 11, the second cavity 12 and the 3rd cavity 13 is 0.6L, and hush pipe 6 is applied between 2 cavity dividing plates.
In the present embodiment, the quantity for the bloop that the first cavity 11, the second cavity 12 and the 3rd cavity 13 are correspondingly arranged
It it is 5, the total quantity of bloop is 15, and the aperture of bloop is 2.0mm, so as to form the humorous of 15 different noise reduction dominant frequency
Resonator structure, audio 350Hz~1200Hz average transmission loss 15dB (A) erasure effect can be realized.
Resonator noise reduction frequency general principle formula is as follows：
Wherein, f is noise reduction dominant frequency, unit：Hz；C is the velocity of sound, unit：m/s；V is the volume of resonator (equivalent to cavity
Volume), unit：dm3, S is hush pipe sectional area (being determined by bloop size), unit：mm2, L is noise reduction length of tube (by noise reduction
Thickness of pipe wall determines), unit：mm.
In Arrangement of Engine-room limited space system, in the case that air cleaner assy volume is less than normal, by controlling bloop
Size, distribution and number, combined with the cavity of 3 not co-contents, form the resonator of dozens of difference dominant frequency, solve
Peak noise at 4 dominant frequency such as 1102Hz, 875Hz, 455Hz, 375Hz, meanwhile, reach disappearing in wider frequency range
Sound ability is integrally lifted, and actual loading test data test is shown, it is average that the present embodiment disclosure satisfy that 350Hz~1200Hz transmits loss
More than value 15dB (A), caused by compensate for air cleaner assy volume deficiency the problem of gas handling system acoustical absorptivity difference, effectively
Solves gas handling system Low Medium Frequency noise problem.
As shown in Figures 2 and 3, in the present embodiment, by 1 double-deck connection transition flexible pipe 4, a U-shaped knot is formed
Structure, the first layer of connection transition flexible pipe 4 are enclosed in muffler air inlet pipe 5, and a general assembly is formed with admission air silencer body 1；
Then, the inner circle that the inwall of transition flexible pipe 4 is formed is connected to be sleeved in air filter air outlet pipe 3；Tightened by metal clip 2 solid
It is fixed, admission air silencer body 1, connection transition flexible pipe 4 and air filter air outlet pipe 3 is formed an entirety, play support, hang
Hang and fasten the effect of muffler.
Preferably, air filter air outlet pipe 3 and muffler air inlet pipe 5 and be plastic rigid pipe, connection transition flexible pipe 4 is
Rubber hose, in the case where muffler and air filter spatial joint clearance are small, by the engaged of rubber hose and plastic rigid pipe with
Clamping, and the use of complexed metal clip 2, form the mode that is connected of reasonable stress, the hard tube of convenient disassembly and hard tube.
Corresponding to ensureing connection 4 convenience during plastic rigid pipe is set with of transition flexible pipe and accurately, assembly be designed with
The filling extruding space characteristics structure of rubber deformation when circumferential positioning structure and clip fasten.
Embodiment 2
Need to set the silencer element of multiple different frequencies, including 875Hz silencer elements, 1102Hz in conventional gas introduction system
If silencer element, 455Hz silencer elements, 375Hz silencer elements and corresponding dry joint and metal clip etc., amount of parts
More, development cost is high, and forming technology is complicated, and assembly technology is poor, meanwhile, it is big to arrangement space requirement.
In order to overcome drawbacks described above of the prior art, the present embodiment by 875Hz silencer elements, 1102Hz silencer elements,
455Hz silencer elements, 375Hz silencer elements and corresponding 3 metal clips are integrated into 1 silencer element and 1 metal card
Hoop, reduces the number of parts, saves arrangement space, reduce development cost, improve assembly technology, while make air inlet
The other parts forming technologies of system are simple.
As shown in figure 1, the compact admission air silencer assembly that the present embodiment provides includes admission air silencer body 1, metal
Clip 2, connection transition flexible pipe 4 and hush pipe 6.
In the present embodiment, admission air silencer body 1 is internally provided with two dividing plates, and two dividing plates are by admission air silencer sheet
The inner chamber of body 1 is separated into 3 different individual cavities of volume, including the first cavity 11, the second cavity 12 and the 3rd cavity 13,
The total measurement (volume) of first cavity 11, the second cavity 12 and the 3rd cavity 13 is 1.2L, and hush pipe 6 is applied between 2 cavity dividing plates.
In the present embodiment, the quantity for the bloop that the first cavity 11, the second cavity 12 and the 3rd cavity 13 are correspondingly arranged
It it is 30, the total quantity of bloop is 90, and the aperture of bloop is 10.0mm, so as to form 15 different noise reduction dominant frequency
Cavity resonator structure, audio 350Hz~1200Hz average transmission loss 15dB (A) erasure effect can be realized.
Resonator noise reduction frequency general principle formula is as follows：
Wherein, f is noise reduction dominant frequency, unit：Hz；C is the velocity of sound, unit：m/s；V is the volume of resonator (equivalent to cavity
Volume), unit：dm3, S is hush pipe sectional area (being determined by bloop size), unit：mm2, L is noise reduction length of tube (by noise reduction
Thickness of pipe wall determines), unit：mm.
In Arrangement of Engine-room limited space system, in the case that air cleaner assy volume is less than normal, by controlling bloop
Size, distribution and number, combined with the cavity of 3 not co-contents, form the resonator of dozens of difference dominant frequency, solve
Peak noise at 4 dominant frequency such as 1102Hz, 875Hz, 455Hz, 375Hz, meanwhile, reach disappearing in wider frequency range
Sound ability is integrally lifted, and actual loading test data test is shown, it is average that the present embodiment disclosure satisfy that 350Hz~1200Hz transmits loss
More than value 15dB (A), caused by compensate for air cleaner assy volume deficiency the problem of gas handling system acoustical absorptivity difference, effectively
Solves gas handling system Low Medium Frequency noise problem.
As shown in Figures 2 and 3, in the present embodiment, by 1 double-deck connection transition flexible pipe 4, a U-shaped knot is formed
Structure, the first layer of connection transition flexible pipe 4 are enclosed in muffler air inlet pipe 5, and a general assembly is formed with admission air silencer body 1；
Then, the inner circle that the inwall of transition flexible pipe 4 is formed is connected to be sleeved in air filter air outlet pipe 3；Tightened by metal clip 2 solid
It is fixed, admission air silencer body 1, connection transition flexible pipe 4 and air filter air outlet pipe 3 is formed an entirety, play support, hang
Hang and fasten the effect of muffler.
Preferably, air filter air outlet pipe 3 and muffler air inlet pipe 5 and be plastic rigid pipe, connection transition flexible pipe 4 is
Rubber hose, in the case where muffler and air filter spatial joint clearance are small, by the engaged of rubber hose and plastic rigid pipe with
Clamping, and the use of complexed metal clip 2, form the mode that is connected of reasonable stress, the hard tube of convenient disassembly and hard tube.
Corresponding to ensureing connection 4 convenience during plastic rigid pipe is set with of transition flexible pipe and accurately, assembly be designed with
The filling extruding space characteristics structure of rubber deformation when circumferential positioning structure and clip fasten.
It should be appreciated that above-mentioned embodiment of the present utility model is used only for exemplary illustration or explains this reality
With new principle, without forming to limitation of the present utility model.Therefore, without departing from spirit and scope of the present utility model
In the case of any modification, equivalent substitution and improvements done etc., should be included within the scope of protection of the utility model.
Claims (10)
1. a kind of compact admission air silencer assembly, it is characterised in that including admission air silencer body (1), muffler air inlet pipe
(5), hush pipe (6) and connection transition flexible pipe (4), the admission air silencer body (1) are internally provided with multiple dividing plates, it is multiple every
The inner chamber of the admission air silencer body (1) is separated into multiple individual cavities by plate, and the hush pipe (6) is arranged in described more
Between individual dividing plate, be provided with multiple bloops on the outer wall of the hush pipe (6), one end of the connection transition flexible pipe (4) with
Muffler air inlet pipe (5) connection, the other end is connected with air filter air outlet pipe (3), and is locked by clamping piece.
2. compact admission air silencer assembly according to claim 1, it is characterised in that the quantity of the dividing plate is two
Individual, the inner chamber of the admission air silencer body (1) is separated into three individual cavities, respectively the first cavity by two dividing plates
(11), the second cavity (12) and the 3rd cavity (13).
3. compact admission air silencer assembly according to claim 2, it is characterised in that first cavity (11), institute
The total measurement (volume) for stating the second cavity (12) and the 3rd cavity (13) is 0.6~1.2L.
4. compact admission air silencer assembly according to claim 2, it is characterised in that first cavity (11), institute
The volume for stating the second cavity (12) and the 3rd cavity (13) differs.
5. compact admission air silencer assembly according to claim 2, it is characterised in that first cavity (11), institute
The quantity for stating the second cavity (12) and the bloop corresponding to the 3rd cavity (13) is 5~30.
6. compact admission air silencer assembly according to claim 5, it is characterised in that the aperture of the bloop is
2.0~10.0mm.
7. compact admission air silencer assembly according to claim 1, it is characterised in that the clamping piece is connected to simultaneously
On the air filter air outlet pipe (3) and the muffler air inlet pipe (5).
8. compact admission air silencer assembly according to claim 1, it is characterised in that the clamping piece is semicircle arcuation
Metal clip.
9. compact admission air silencer assembly according to claim 1, it is characterised in that the air filter air outlet pipe
(3) and the muffler air inlet pipe (5) is plastic rigid pipe, and the connection transition flexible pipe (4) is rubber hose.
10. compact admission air silencer assembly according to claim 1, it is characterised in that the connection transition flexible pipe (4)
For U-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720941187.4U CN207145103U (en) | 2017-07-31 | 2017-07-31 | A kind of compact admission air silencer assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720941187.4U CN207145103U (en) | 2017-07-31 | 2017-07-31 | A kind of compact admission air silencer assembly |
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| Publication Number | Publication Date |
|---|---|
| CN207145103U true CN207145103U (en) | 2018-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720941187.4U Active CN207145103U (en) | 2017-07-31 | 2017-07-31 | A kind of compact admission air silencer assembly |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209700A (en) * | 2018-10-31 | 2019-01-15 | 安徽江淮汽车集团股份有限公司 | A kind of air filter air outlet pipe assembly |
| CN109826731A (en) * | 2018-12-30 | 2019-05-31 | 广州小鹏汽车科技有限公司 | A kind of air channel structure with noise reduction resonant cavity |
| CN111206985A (en) * | 2018-11-21 | 2020-05-29 | 通用汽车环球科技运作有限责任公司 | Vehicle charge air cooler with integrated resonator |
| CN113958435A (en) * | 2021-11-16 | 2022-01-21 | 安徽江淮汽车集团股份有限公司 | Vehicle air intake system |
-
2017
- 2017-07-31 CN CN201720941187.4U patent/CN207145103U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209700A (en) * | 2018-10-31 | 2019-01-15 | 安徽江淮汽车集团股份有限公司 | A kind of air filter air outlet pipe assembly |
| CN111206985A (en) * | 2018-11-21 | 2020-05-29 | 通用汽车环球科技运作有限责任公司 | Vehicle charge air cooler with integrated resonator |
| CN109826731A (en) * | 2018-12-30 | 2019-05-31 | 广州小鹏汽车科技有限公司 | A kind of air channel structure with noise reduction resonant cavity |
| CN113958435A (en) * | 2021-11-16 | 2022-01-21 | 安徽江淮汽车集团股份有限公司 | Vehicle air intake system |
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