CN208396853U - The air hose and its connection structure of built-in perforation silencer - Google Patents
The air hose and its connection structure of built-in perforation silencer Download PDFInfo
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- CN208396853U CN208396853U CN201821002983.2U CN201821002983U CN208396853U CN 208396853 U CN208396853 U CN 208396853U CN 201821002983 U CN201821002983 U CN 201821002983U CN 208396853 U CN208396853 U CN 208396853U
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- silencer
- interconnecting piece
- air hose
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Abstract
The utility model discloses the air hoses and its connection structure of silencer of perforating built in one kind, belong to automobile air inlet system technical field, including air hose, air hose both ends are respectively equipped with air filter interconnecting piece and booster interconnecting piece, air hose one end is fixedly connected by air filter interconnecting piece with air cleaner, and the other end is fixedly connected by booster interconnecting piece with booster；Also packet silencer, silencer are flexible tubular, are placed in air hose in silencer by air filter interconnecting piece side.Also disclose the air pipe connecting structure of the built-in perforation silencer of one kind.Silencer is arranged in air hose by the utility model, and silencer uses flexible bending curved tube, can save arrangement space；Air hose and air cleaner one end limit the axial play for being fastened on hoop on the outside of card slot by anticreep boss by being engaged by clamping, and ensure that the connection reliability and leakproofness of air hose and air cleaner.
Description
Technical field
The utility model relates to automobile air inlet system technical fields, in particular to the air hose for silencer of perforating built in one kind
And its connection structure.
Background technique
Turbocharger noise is commonly medium-high frequency, broadband noise, and common silencer is difficult to solve.Perforation silencer pair
Eliminating high frequency and broadband noise has certain advantage, is used by more and more main engine plants.The usual cloth of air hose after air filter
It sets between booster inlet end and air filter, the junction of air hose and booster inlet end, which also bypasses, has booster control to manage,
The multichannels pipelines such as crankcase breather, relief tube, fuel oil desorption pipe cause the arrangement space of air hose insufficient, and current wear
Hole silencer is generally using, by being welded, structure is generally straight pipe, silencer two of perforating after the injection molding of multiple plastic parts
End is fixed by way of hoop, and certain length need to be occupied at looper hoop, when meeting above-mentioned requirements, air hose and perforation
The spatial position of silencer is difficult to arrange.Since perforation silencer is arranged in air filter rear end, also have to weld strength and leakproofness
It is strict with.
Utility model content
The purpose of this utility model seeks to overcome above-mentioned the shortcomings of the prior art, provides a kind of space layout conjunction
Manage, connect the air hose and its connection structure of simple and reliable built-in perforation silencer.
To achieve the above object, the utility model provides the air hose of the built-in perforation silencer of one kind, including air hose institute
It states air hose both ends and is respectively equipped with air filter interconnecting piece and booster interconnecting piece, also packet silencer, the silencer is flexible tubular,
It is placed in the silencer in air hose by air filter interconnecting piece side.
Further, the silencer includes tube wall, and multiple cyclic annular silencer convex ribs are equipped on the outside of the tube wall, described
Multiple sound attenuation holes are provided on tube wall.
Further, the tube wall, silencer convex ribs and air inside pipe wall form multiple closed cavities.
Further, the air hose is equipped with positive stop lug boss, the air hose by booster interconnecting piece side inner wall
Inner wall edge by air filter interconnecting piece side is equipped with radial limit hook, the both ends of the silencer respectively with positive stop lug boss and
Limit hook abuts.
Further, the air hose is less than by positive stop lug boss one end diameter leans on air filter interconnecting piece one end diameter.
A kind of connection structure of the air hose based on above-mentioned built-in perforation silencer, including air filter interconnecting piece and booster connect
Socket part, the air filter interconnecting piece are the U-shaped of axially open, are card slot on the inside of the U-shaped, set on the outside of the air filter interconnecting piece
There is annular spacing groove, the hoop with air filter interconnecting piece immovable fitting is equipped in the limiting slot.
Further, the hoop includes the tight loop in limiting slot, and the tight loop is equipped with limit hole, institute
It states and is equipped with anticreep boss in limiting slot, the positive stop lug boss and limit hole cooperation are fixed.
Further, the air filter interconnecting piece is fixedly connected with air cleaner；The booster interconnecting piece and pressurization
Device is fixedly connected.
Further, the air cleaner is equipped with claw by air filter interconnecting piece one end, and the claw engages with card slot.
The beneficial effects of the utility model are: space layout is reasonable, assembly is simple secured.Silencer is arranged in air hose
It is interior, and silencer use bending plastic pipe, air hose be flexible rubber tube, silencer air filter interconnecting piece inner wall still
It can be equipped with sound attenuation hole, the arrangement space of air hose and silencer can be saved while meeting Muffler Performance requirement；Air hose
Both ends pass through air filter interconnecting piece respectively and booster interconnecting piece is fixedly connected with air cleaner and booster, air filter interconnecting piece
The reliability and leakproofness that secure component guarantees that air hose both ends are connected with disconnecting prevention structure are equipped with booster interconnecting piece.
Detailed description of the invention
Fig. 1 is the utility model main view.
Fig. 2 is the partial enlarged view of air filter interconnecting piece.
Fig. 3 is A in Fig. 1 to cross-sectional view.
Fig. 4 is the top view of air filter interconnecting piece.
Each part numbers are as follows in figure: air hose 1, air filter interconnecting piece 1.1, booster interconnecting piece 1.2, drainback passage 1.3,
Positive stop lug boss 1.4, card slot 1.5, anticreep boss 1.6, limiting slot 1.7, limit hook 1.8, silencer 2, tube wall 2.1, silencer
Convex ribs 2.2, sound attenuation hole 2.3, air cleaner 3, claw 3.1, hoop 4, tight loop 4.1, limit hole 4.2.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing, convenient for more clearly understanding that this is practical new
Type, but they do not constitute the utility model and limit.
As shown in figures 1-4, a kind of air hose of built-in perforation silencer, including air hose 1, air hose 1 are flexible
Rubber tube, 1 one end of air hose are fixedly connected by booster interconnecting piece 1.2 with booster inlet end, and the other end is connected by air filter
Socket part 1.1 is fixedly connected with air cleaner 3, and the structure of booster interconnecting piece 1.2 is consistent with the structure of air connection 1.1；
Also packet silencer 2, silencer 2 are flexible plastic pipe, are placed in air hose 1 in silencer 2, and silencer 2 includes tube wall
2.1, be equipped with the silencer convex ribs 2.2 of multiple annulars on the outside of tube wall 2.1, tube wall 2.1 equipped with multiple miniature sound attenuation holes 2.3,
The silencer convex ribs 2.2 of 1 inner wall of air hose, tube wall 2.1 and annular form multiple closed noise elimination cavitys 1.In this way, each noise elimination
Hole 2.1 corresponds to a noise elimination cavity, and reflection, the interference of the change of impedance and generation sound energy are caused during noise transmission, from
And the sound energy from silencer 2 to external radiation is reduced, noise even is eliminated to achieve the purpose that weaken；The design of Multicarity can make
The centre frequency of cavity is in bigger range, has widened 2 frequency of noise elimination range of silencer, increases to be more advantageous to and eliminate turbine
The noise of high frequency and wideband that depressor generates.
In above-mentioned technical proposal, air hose 1 is equipped with positive stop lug boss 1.4, air by 1.2 side inner wall of booster interconnecting piece
Inner wall edge of the pipe 1 by 1.1 side of air filter interconnecting piece is equipped with radial limit hook 1.8, the both ends of silencer 2 respectively with limit
Boss 1.4 and limit hook 1.8 abut；Air hose 1 is less than by 1.4 one end diameter of positive stop lug boss leans on 1.1 one end of air filter interconnecting piece
Diameter；The tube wall bottom of air hose 1 is provided with axial drainback passage 1.3.In assembly, one end of silencer 2 is from air hose 1
1.1 one end of air filter interconnecting piece enters air hose 1, and the magnitude of interference between 1 inner wall of 2 outer wall of silencer and air hose is increasing, directly
It is abutted to one end of silencer 2 with positive stop lug boss 1.4,2 other end of silencer is eliminated the noise completely into air hose 1, and at this time just
The outermost silencer convex ribs 2.2 of device 2 are abutted with limit hook 1.8 just, therefore 2 both ends of silencer are firmly fixed on sky
On 2 inner wall of tracheae；And the drainback passage 1.3 of 1 bottom of air hose can prevent machine oil from accumulating in air hose 1.
A kind of air pipe connecting structure of built-in perforation silencer, including air filter connection 1.1 and booster interconnecting piece 1.2,
Air filter interconnecting piece 1.1 is the U-shaped structure of axially open, and 1.1 opening inner side of air filter interconnecting piece forms card slot 1.5, air filter
Device 3 is equipped with claw 3.1 by 1.1 one end of air filter interconnecting piece clearly, and claw 3.1 engages with card slot 1.5 realizes air filter interconnecting piece 1.1 and sky
The connection of air cleaner 3；Annular spacing groove 1.7 is equipped on the outside of air filter interconnecting piece 1.1, the tight loop 4.1 of hoop 4 is located at limiting slot
In 1.7, air filter interconnecting piece 1.1 fastens air filter interconnecting piece 1.1 and air filter 3 by being interference fitted with tight loop 4.1
Interconnecting piece；Meanwhile limit hole 4.2 is equipped on the tight loop of hoop 4 4.1, anticreep boss 1.6, limit are equipped in limiting slot 1.7
Boss 1.6 and the cooperation of limit hole 4.2 are fixed.Which prevent hoops 4 during long-term work because the vibration of engine and
Loosening axially and radially occurs, ensure that the connection reliability at air hose 1 both ends and air cleaner 3 and booster junction
And leakproofness.
Claims (9)
1. a kind of air hose of built-in perforation silencer, including air hose (1), it is characterised in that: air hose (1) both ends point
Not She You air filter interconnecting piece (1.1) and booster interconnecting piece (1.2), also packet silencer (2), the silencer (2) be flexible pipe
Shape, the silencer (2) is interior to be placed in air hose (1) by air filter interconnecting piece (1.1) side.
2. the air hose of built-in perforation silencer according to claim 1, it is characterised in that: the silencer (2) includes
Tube wall (2.1), tube wall (2.1) outside are equipped with multiple cyclic annular silencer convex ribs (2.2), are provided with multiple noise eliminations on the tube wall
Hole (2.3).
3. the air hose of built-in perforation silencer according to claim 2, it is characterised in that: the tube wall (2.1) is eliminated the noise
Device convex ribs (2.2) and air hose (1) inner wall form multiple closed cavities.
4. the air hose of built-in perforation silencer according to claim 1, it is characterised in that: the air hose (1) is by increasing
Depressor interconnecting piece (1.2) side inner wall is equipped with positive stop lug boss (1.4), and the air hose (1) leans on air filter interconnecting piece (1.1) side
Inner wall edge be equipped with radial limit hook (1.8), the both ends of the silencer (2) respectively with positive stop lug boss (1.4) and limit
Position grab (1.8) abuts.
5. the air hose of built-in perforation silencer according to claim 4, it is characterised in that: the air hose (1) is by limit
Position boss (1.4) one end diameter, which is less than, leans on air filter interconnecting piece (1.1) one end diameter.
6. a kind of air pipe connecting structure based on the described in any item built-in perforation silencers of the claims 1~5, special
Sign is: including air filter interconnecting piece (1.1) and booster interconnecting piece (1.2), the air filter interconnecting piece (1.1) is axially open
U-shaped, the U-shaped inside are card slot (1.5), are equipped with annular spacing groove (1.7) on the outside of the air filter interconnecting piece (1.1), institute
State the hoop (4) being equipped in limiting slot (1.7) with air filter interconnecting piece (1.1) immovable fitting.
7. the air pipe connecting structure of built-in perforation silencer according to claim 6, it is characterised in that: the hoop
It (4) include the tight loop (4.1) in limiting slot (1.7), the tight loop (4.1) is equipped with limit hole (4.2), the limit
Anticreep boss (1.6) are equipped in position slot (1.7), the positive stop lug boss (1.6) and limit hole (4.2) cooperation are fixed.
8. the air pipe connecting structure of built-in perforation silencer according to claim 6, it is characterised in that: the air filter connects
Socket part (1.1) is fixedly connected with air cleaner (3)；The booster interconnecting piece (1.2) is fixedly connected with booster.
9. the air pipe connecting structure of built-in perforation silencer according to claim 8, it is characterised in that: the air filter
Clear device (3) is equipped with claw (3.1) by air filter interconnecting piece (1.1) one end, and the claw (3.1) engages with card slot (1.5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821002983.2U CN208396853U (en) | 2018-06-27 | 2018-06-27 | The air hose and its connection structure of built-in perforation silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821002983.2U CN208396853U (en) | 2018-06-27 | 2018-06-27 | The air hose and its connection structure of built-in perforation silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208396853U true CN208396853U (en) | 2019-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821002983.2U Active CN208396853U (en) | 2018-06-27 | 2018-06-27 | The air hose and its connection structure of built-in perforation silencer |
Country Status (1)
| Country | Link |
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| CN (1) | CN208396853U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107724A (en) * | 2021-04-30 | 2021-07-13 | 东风汽车集团股份有限公司 | Air filter structure of air inlet system |
| CN114810440A (en) * | 2022-05-19 | 2022-07-29 | 重庆金康赛力斯新能源汽车设计院有限公司 | Integrated silencer structure of air inlet system and air filter |
-
2018
- 2018-06-27 CN CN201821002983.2U patent/CN208396853U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107724A (en) * | 2021-04-30 | 2021-07-13 | 东风汽车集团股份有限公司 | Air filter structure of air inlet system |
| CN113107724B (en) * | 2021-04-30 | 2022-09-16 | 东风汽车集团股份有限公司 | Air filter structure of air inlet system |
| CN114810440A (en) * | 2022-05-19 | 2022-07-29 | 重庆金康赛力斯新能源汽车设计院有限公司 | Integrated silencer structure of air inlet system and air filter |
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