CN104583574A - Air intake duct for vehicle - Google Patents

Air intake duct for vehicle Download PDF

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Publication number
CN104583574A
CN104583574A CN201380044531.4A CN201380044531A CN104583574A CN 104583574 A CN104583574 A CN 104583574A CN 201380044531 A CN201380044531 A CN 201380044531A CN 104583574 A CN104583574 A CN 104583574A
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CN
China
Prior art keywords
lid
setting unit
main body
catheter main
mode
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Granted
Application number
CN201380044531.4A
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Chinese (zh)
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CN104583574B (en
Inventor
野口法雄
藤本佑树
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Molten Corp
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Molten Corp
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Filing date
Publication date
Application filed by Molten Corp filed Critical Molten Corp
Priority claimed from PCT/JP2013/074769 external-priority patent/WO2014042229A1/en
Priority claimed from JP2013189901A external-priority patent/JP6211859B2/en
Priority claimed from JP2013189902A external-priority patent/JP6202956B2/en
Publication of CN104583574A publication Critical patent/CN104583574A/en
Application granted granted Critical
Publication of CN104583574B publication Critical patent/CN104583574B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

[Problem] To attach a porous material to an installation section so as not to create a gap between the porous material and a duct main body. [Solution] An installation section (3) is provided on a planar section (6) of a peripheral wall section of a duct main body (2). An opening section (4) is provided to the installation section (3), and a porous material (5) is provided to the installation section (3) so as to cover the opening section (4) from the outside of the duct main body (2). If a cover (4) with a through-hole section (16) corresponding to the opening section (4) is attached to the installation section (3) so as to cover the porous material (5) provided to the installation section (3), a hook section (15) is fit into an attachment hole section (18), mutually joining the cover (4) and a stopper section (14) distributed so as to cover evenly in the direction along a circular shape of a partition wall section (14). The attachment hole section (18) may be provided on the duct main body (2) side, with the stopper section (14) and the hook section (15) provided on the cover (4) side, and the cover (4) may be joined to the partition wall section (14) by ultrasonic welding, vibration welding, thermal welding, an adhesive agent, or the like.

Description

Vehicle air inlet duct
Technical field
The present invention relates to the vehicle air inlet duct that the induction noise had when outer aspiration being entered the internal-combustion engine of vehicle reduces function.
Background technique
Figure 23 represents vehicle air inlet duct 1001 disclosed in patent documentation 1.In Figure 23, vehicle air inlet duct 1001 possesses the Porous part 1002 of writing board shape and the catheter main body 1003 of drum.Porous part 1002 reduces induction noise, consists of the nonwoven fabric formed body that compression and moulding is writing board shape by not inweaving fiber.The part arranging Porous part 1002 of the catheter main body 1003 of drum is formed as the diametric(al) of conductive pipe main body 1003 planar surface portion 1004 protruding outside.An opening portion 1005 is provided with in planar surface portion 1004.Inside and outside opening portion 1005 transtracheal catheter main body 1003.And, to cover the mode of opening portion 1005, utilize Liu Ding or binder etc. the lateral planar surface portion 1004 of Porous part 1002 from catheter main body 1003 to be engaged.One end of catheter main body 1003 forms the suction port 1006 importing outer gas.The other end of catheter main body 1003 forms the linking department 1007 for the air cleaner outside figure.
But, it is the structure in the direction parallel with the air draught flowed in catheter main body 1003 by the position limitation of Porous part 1002 that vehicle air inlet duct 1001 shown in Figure 23 possesses in planar surface portion 1004, but when utilizing Liu Ding to be engaged with planar surface portion 1004 by Porous part 1002, exist and easily between Porous part 1002 and catheter main body 1003, produce gap, if produce this gap, then suck the hot air in engine compartment redundantly, dysgenic shortcoming is produced to engine performance.
In addition, as shown in figure 24, consider from the surrounding environment arranging vehicle air inlet duct 1001, catheter main body 1003 is set to there is straight pipe portion 1008, 1009 and the bend pipe of bent portion 1010, function is reduced from the viewpoint of induction noise, sometimes the size of the Porous part 1002 on the direction parallel with the air draught flowed in catheter main body 1003 from suction port 1006 cannot be reduced, in this case, owing to being plane by the shape maintains of planar surface portion 1004, so become the moulding given prominence to laterally from bent portion 1010 at the downstream side barrier 1011 of the air inlet flow direction of planar surface portion 1004.
About the vehicle air inlet duct 1001 of this Figure 24, as flowing resistance analysis, area=3914mm when vehicle air inlet duct 1001 is cut off in the direction orthogonal with charge air flow 2, in vehicle air inlet duct 1001, traffic flow is 10m 3the air of/min, by analyzing the pressure loss near the outlet asking vehicle air inlet duct 1001, obtains the pressure loss=-752Pa.In addition, the streamline obtained by flowing resistance analysis represents it is the result shown in Figure 25.
In Figure 25,1012 represent the streamline entering catheter main body 1003 from straight pipe portion 1008 side, and 1013 represent the streamline entering catheter main body 1003 from Porous part 1002 and opening portion 1005.If observe this Figure 25, then find, at the streamline 1014 at barrier 1011 place, confusion occurs, flowing resistance is larger.
In addition, although also can consider to remove the planar surface portion 1004 shown in Figure 24, utilize the Porous part 1002 being shaped to the writing board shape shown in Figure 24 block across and straight pipe portion 1008 and bent portion 1010 and the opening portion 1005 that formed, but in this case, because Porous part 1002 is shaped to writing board shape, easily between Porous part 1002 and catheter main body 1003, gap is produced so exist, if produce this gap, then suck the hot air in engine compartment redundantly, dysgenic shortcoming is produced to induction noise reduction function and engine performance.
Figure 26 represents vehicle air inlet duct 1101 disclosed in patent documentation 2.In Figure 26, vehicle air inlet duct 1101 possesses catheter main body 1102, two Porous parts 1103 and two lids 1104 of the square tubular shape of hollow.The planar surface portion formed in the surrounding wall portion as catheter main body 1102, is respectively arranged with multiple opening portion 1105 and hole portion 1106.Inside and outside opening portion 1105 and hole portion 1106 transtracheal catheter main body 1102.Porous part 1103, in the mode from the multiple opening portion 1105 of the outer side covers of catheter main body 1102, is made up of vent ability nonwoven fabric, polyester foam, felt, asbestos slate, glass wool etc.Lid 1104 keeps from outside to Porous part 1103, is formed as the lattice shape being provided with multiple through-hole section 1107.The part becoming lattice shape of lid 1104 is provided with multiple protuberance 1108, the lip part 1109 of a side of lid 1104 is provided with protuberance 1110, porose portion 1112 is set at the lip part 1111 of the opposing party of lid 1104.And, in the mode to cover multiple opening portion 1105, after the planar surface portion coating Porous part 1103 of the lateral catheter main body 1102 of catheter main body 1102, from the lid 1104 of lateral Porous part 1103 coating a pair of catheter main body 1102, protuberance 1110 is arranged on hole portion 1112, on the other hand, the through Porous part 1103 of protuberance 1108 and be arranged on the hole portion 1106 of catheter main body 1102, thus, utilize the lid 1104 of a pair that the Porous part 1103 covering opening portion 1105 is fixed on the outside of the planar surface portion of catheter main body 1102.
But, vehicle shown in Figure 26 is with in air inlet duct 1101, owing to not being construed as limiting the parts of the position of Porous part 1103 at catheter main body 1102, so when being coated on catheter main body 1102 by Porous part 1103, there is Porous part 1103 relative to the unfixed shortcoming in the position of catheter main body 1102.In addition, owing to being utilize the part of the lattice shape of the writing board shape of lid 1104 and catheter main body 1102 that Porous part 1103 is clipped the structure of support, easily between Porous part 1103 and catheter main body 1102, gap is produced so exist, if produce this gap, then suck the hot air in engine compartment redundantly, dysgenic shortcoming is produced to engine performance.
Figure 27 represents vehicle air inlet duct 1201 disclosed in patent documentation 3.In Figure 27, vehicle air inlet duct 1201 possesses catheter main body 1202, Porous part 1203 and a lid 1204 of the drum of hollow.Catheter main body 1202 possesses semicircular first halfbody 1205 and semicircular second halfbody 1206.First halfbody 1205 and the second halfbody 1206 are harmonious and become the drum of hollow, by the lip part 1207 of the first halfbody 1205 and the lip part 1208 of the second halfbody 1206 being engaged with each other, form catheter main body 1202.First halfbody 1205 is provided with the opening portion 1209 of circle, the fin 1210 of a pair and two mounting hole portions 1211.The fin 1210 of a pair extends along the circumference of catheter main body 1202 and is connected with lip part 1207.In the part of being enclosed by fin 1210 and lip part 1207 of catheter main body 1202, the opening portion 1209 of multiple circumferential array at catheter main body 1202 is set.Porous part 1203 is with the parts with vent ability be made up of nonwoven fabric etc. from the mode of the multiple opening portion 1209 of the outer side covers of catheter main body 1202.Lid 1204 is formed by synthetic resin, for covering the size of Porous part 1203, is formed as the curve form identical with the part that lip part 1207 encloses by fin 1210 with catheter main body 1202.Lid 1204 is formed with the through-hole section 1212 be associated with opening portion 1209.The two end part of catheter main body 1202 circumference of lid 1204 are provided with hooking part 1213.Hooking part 1213 is provided with hook portion 1214.And, in the mode from the multiple opening portion 1209 of the outer side covers of catheter main body 1202, after the part coating Porous part 1203 enclosed by fin 1210 and lip part 1207 of catheter main body 1202, from the lateral Porous part 1203 coating lid 1204 of catheter main body 1102, hooking part 1213 and hook portion 1214 are embedded into mounting hole portion 1211, hook portion 1214 is fixed on mounting hole portion 1211, thus, lid 1204 is combined with catheter main body 1202, and Porous part 1203 is clipped support by catheter main body 1202 and lid 1204.
But, because the vehicle air inlet duct 1201 shown in Figure 27 is multiple opening portion 1209 structures in the circumferential array of catheter main body 1202, so, need on the flow direction of air flowing in catheter main body 1202 inside, to arrange the part be made up of Porous part 1203, lid 1204, multiple opening portion 1209, the fin 1210 of a pair and the mounting hole portion 1211 of a pair dividually in multiple place, complex structure.In addition, owing to being the structure that hooking part 1213 is arranged on the two end part of lid 1204, so the tendency that the diametric outside being provided with the oriented catheter main body of part 1202 of multiple through-hole section 1212 of lid 1204 departs from, if the diametric outside being provided with the part conductive pipe main body 1202 of multiple through-hole section 1212 of lid 1204 departs from, then exist and easily between the part of being enclosed by fin 1210 and lip part 1207 and Porous part 1203 of catheter main body 1202, produce gap, if produce this gap, then suck the hot air in engine compartment redundantly, dysgenic shortcoming is produced to engine performance.
Prior art document
Patent documentation
Patent documentation 1: Japan Patent No. 3517608 publication
Patent documentation 2: Japanese Patent Publication 6-10116 publication
Patent documentation 3:WO No. 2011/155437 publication
Summary of the invention
The problem that invention will solve
The present invention completes in view of the aforementioned technical background, its object is to, reduce in the vehicle air inlet duct of function at the induction noise that has utilizing the setting unit of lid and catheter main body Porous part to be clipped support, to make the mode not producing gap between Porous part and setting unit, Porous part is arranged on setting unit.
The scheme of dealing with problems
In three the present invention, possess with vehicle air inlet duct: the catheter main body being formed as the square tubular shape of hollow, in the setting unit of the curve form that the surrounding wall portion of catheter main body is arranged in mode bending on the flow direction of the air by catheter main body inside, the opening portion of setting unit is formed in the mode inside and outside transtracheal catheter main body, the Porous part of setting unit is configured in the mode of the outer side covers opening portion from catheter main body, and there is the lid of through-hole section of the opening portion ventilation making it possible to conductive pipe main body, by lid is arranged on setting unit to cover the mode being configured at the Porous part of setting unit, thus Porous part is clipped by lid and setting unit and is supported for common item, it is characterized in that, in setting unit, wall part is outstanding to lid side, and be formed as the ring-type of surrounding opening portion, next door portion, multiple hooking parts with hook portion are distributed in the mode generally spread all on the direction of the ring-type along wall part and arrange highlightedly to lid side from wall part in parallel with each other, the peripheral portion of lid is provided with the number mounting hole portion corresponding with hooking part, when lid is arranged on setting unit to cover the mode being configured at the Porous part of setting unit, hooking part and hook portion are embedded into mounting hole portion, hook portion is fixed on mounting hole portion, thus lid is combined with catheter main body, or it is characterized in that, in setting unit, wall part is outstanding to lid side, and be formed as the ring-type of surrounding opening portion, next door portion is provided with the number mounting hole portion corresponding with hooking part, at the peripheral portion of lid, to there are multiple hooking parts of hook portion to be distributed in the mode generally spread all on the direction around the peripheral portion of lid and to arrange highlightedly from lid conductive pipe main body side in parallel with each other, when lid is arranged on setting unit to cover the mode being configured at the Porous part of setting unit, hooking part and hook portion are embedded into mounting hole portion, hook portion is fixed on mounting hole portion, thus lid is combined with catheter main body, or it is characterized in that, in setting unit, wall part is outstanding to lid side, and be formed as the ring-type of surrounding opening portion, when lid is arranged on setting unit to cover the mode being configured at the Porous part of setting unit, pass through ultrasonic welding, the peripheral portion of lid is combined with wall part by any one of Vibration Welding or thermal weld, or be combined with wall part by the bonding peripheral portion by lid based on bond.In three the present invention in addition, possess with vehicle air inlet duct: the catheter main body being formed as the square tubular shape of hollow, in the setting unit that the planar surface portion of the formation surrounding wall portion of catheter main body is arranged, the opening portion of setting unit is formed in the mode inside and outside transtracheal catheter main body, the Porous part of setting unit is configured in the mode of the outer side covers opening portion from catheter main body, and there is the lid of through-hole section of the opening portion ventilation making it possible to conductive pipe main body, by lid is arranged on catheter main body to cover the mode being configured at the Porous part of setting unit, thus Porous part is clipped by lid and setting unit and is supported for common item, it is characterized in that, in setting unit, wall part is outstanding to lid side, and be formed as the ring-type of surrounding opening portion, next door portion, multiple hooking parts with hook portion are distributed in the mode generally spread all on the direction of the ring-type along wall part and arrange highlightedly to lid side from wall part in parallel with each other, the peripheral portion of lid is provided with the number mounting hole portion corresponding with hooking part, when lid is arranged on setting unit to cover the mode being configured at the Porous part of setting unit, hooking part and hook portion are embedded into mounting hole portion, hook portion is fixed on mounting hole portion, thus lid is combined with catheter main body, or it is characterized in that, in setting unit, wall part is outstanding to lid side, and be formed as the ring-type of surrounding opening portion, next door portion is provided with the number mounting hole portion corresponding with hooking part, at the peripheral edge portion of lid, to there are multiple hooking parts of hook portion to be distributed in the mode generally spread all on the direction around the peripheral portion of lid and to arrange highlightedly from lid conductive pipe main body side in parallel with each other, when lid is arranged on setting unit to cover the mode being configured at the Porous part of setting unit, hooking part and hook portion are embedded into mounting hole portion, hook portion is fixed on mounting hole portion, thus lid is combined with catheter main body, or it is characterized in that, in setting unit, wall part is outstanding to lid side, and be formed as the ring-type of surrounding opening portion, when lid is arranged on setting unit to cover the mode being configured at the Porous part of setting unit, pass through ultrasonic welding, the peripheral portion of lid is combined with wall part by any one of Vibration Welding or thermal weld, or be combined with wall part by the bonding peripheral portion by lid based on bond.
Invention effect
In the present invention, next door portion, multiple hooking parts with hook portion are distributed in the mode generally spread all on the direction of the ring-type along wall part and arrange highlightedly to lid side from wall part in parallel with each other, the peripheral portion of lid is provided with the number mounting hole portion corresponding with hooking part, or, next door portion is provided with the number mounting hole portion corresponding with hooking part, at the peripheral portion of lid, to there are multiple hooking parts of hook portion to be distributed in the mode generally spread all on the direction around the peripheral portion of lid and to arrange highlightedly from lid conductive pipe main body side in parallel with each other, when lid is arranged on setting unit to cover the mode being configured at the Porous part of setting unit, hook portion is fixed on mounting hole portion, thus lid is combined with catheter main body, or pass through ultrasonic welding, the peripheral portion of lid is combined with wall part by any one of Vibration Welding or thermal weld, or be combined with wall part by the bonding peripheral portion by lid based on bond, thus, have and can not produce gap between Porous part and setting unit, the hot air in engine compartment can not be sucked redundantly, the effect of the flowing resistance of catheter main body inside can be reduced.In addition, because wall part and hooking part are given prominence in parallel with each other, therefore, have when by lid coating, multiple hooking part and multiple mounting hole portion are suitably embedded, lid becomes easy effect to the installation of setting unit.In the present invention, in the lid, cover wall portion conductive pipe main body side to give prominence to, and be formed as the ring-type of surrounding through-hole section, have when lid is arranged on setting unit in the mode covering Porous part, if configure in the mode of the peripheral part of the wall part surrounding setting unit and cover wall portion, then between the peripheral portion and setting unit of Porous part, do not produce the effect in gap.
Accompanying drawing explanation
Fig. 1 is exploded representation for the stereogram of the vehicle air inlet duct of the mode 1 carried out an invention;
Fig. 2 is exploded representation for the stereogram of the catheter main body of the mode 1 carried out an invention;
Fig. 3 is the stereogram of the vehicle air inlet duct of the mode 1 represented for carrying out an invention;
Fig. 4 is the 101-101 line sectional drawing of Fig. 3;
Fig. 5 is the 102-102 line sectional drawing of Fig. 3;
Fig. 6 is the flowing resistance analysis chart of the streamline of the vehicle air inlet duct of the mode 1 represented for carrying out an invention;
Fig. 7 is the sectional drawing suitable with 102-102 line sectional drawing of the vehicle air inlet duct of mode 2 for carrying out an invention;
Fig. 8 is the sectional drawing suitable with 102-102 line sectional drawing of the vehicle air inlet duct of mode 3 for carrying out an invention;
Fig. 9 is the sectional drawing suitable with 102-102 line sectional drawing of the vehicle air inlet duct of mode 4 for carrying out an invention;
Figure 10 is the plan view of the vehicle air inlet duct of the mode 5 represented for carrying out an invention;
Figure 11 is the side view of the vehicle air inlet duct of the mode 5 represented for carrying out an invention;
Figure 12 is the 103-103 line sectional drawing of Figure 10;
Figure 13 is exploded representation for the stereogram of the vehicle air inlet duct of the mode 6 carried out an invention;
Figure 14 is exploded representation for the stereogram of the catheter main body of the mode 6 carried out an invention;
Figure 15 is the stereogram of the vehicle air inlet duct of the mode 6 represented for carrying out an invention;
Figure 16 is the 104-104 line sectional drawing of Figure 15;
Figure 17 is the sectional drawing suitable with 104-104 line sectional drawing of the vehicle air inlet duct of mode 7 for carrying out an invention;
Figure 18 is the sectional drawing suitable with 104-104 line sectional drawing of the vehicle air inlet duct of mode 8 for carrying out an invention;
Figure 19 is the sectional drawing similar to 101-101 line sectional drawing of a part for the vehicle air inlet duct of mode 9 for carrying out an invention;
Figure 20 is the sectional drawing similar to 101-101 line sectional drawing of a part for the vehicle air inlet duct of mode 10 for carrying out an invention;
Figure 21 is exploded representation for the stereogram of a part for the vehicle air inlet duct of the mode 11 carried out an invention;
Figure 22 is the sectional drawing similar to 101-101 line sectional drawing of the vehicle air inlet duct of mode 11 for carrying out an invention;
Figure 23 is the stereogram of exploded representation vehicle air inlet duct in the past;
Figure 24 is the stereogram of the vehicle air inlet duct representing comparative example;
Figure 25 is the flowing resistance analysis chart of the streamline of the vehicle air inlet duct representing comparative example;
Figure 26 is the stereogram of the other vehicle air inlet duct in the past of exploded representation;
Figure 27 is the stereogram of the another vehicle air inlet duct in the past in addition of exploded representation.
Embodiment
In the mode for carrying out an invention, be marked with same-sign to illustrate to the part with identical function.
Referring to figs. 1 through Fig. 6, the vehicle air inlet duct 1 of the mode 1 for carrying out an invention is described.As shown in Figure 1, the vehicle air inlet duct 1 for the mode 1 carried out an invention is configured for the pipeline sucking outer gas to the air cleaner of the internal-combustion engine of the vehicle outside figure, as the parts formed respectively, possesses catheter main body 2, Porous part 3 and lid 4.Catheter main body 2 utilizes synthetic resin to be formed as the square tubular shape of the hollow utilizing the surrounding wall portion be made up of 4 planar surface portion 5,6,7,8 to surround, on the other hand, possess straight pipe portion 9,10 and bent portion 11, and form with planar surface portion 5,6 parallel directions and the bend pipe in direction that intersects with planar surface portion 5,6 as the flow direction 12 of the air by catheter main body 2 inside is changed into.Due to the existence of straight pipe portion 9,10 and bent portion 11, catheter main body 2 becomes the bend pipe be bent upwards in the side parallel with the flow direction 12 of the air by catheter main body 2 inside.One end of catheter main body 2 forms the outer gas side of importing.The other end of catheter main body 2 is formed to the outer gas side of air cleaner supply.Straight pipe portion 9 is configured in a tip side of catheter main body 2.Straight pipe portion 10 is configured in the side, the other end of catheter main body 2.Bent portion 11 is by the interconnective part of straight pipe portion 9,10.
At the outer surface of a planar surface portion 6 of catheter main body 2, be provided with setting unit 14, as the part of configuration Porous part 3.Setting unit 14 be across and straight pipe portion 9 and bent portion 11, the direction parallel with the flow direction 12 of the air by catheter main body 2 inside is formed as the moulding of curve form.Setting unit 14 is provided with opening portion 15, glazing bar portion 16, wall part 17 and protuberance 18.Inside and outside opening portion 15 transtracheal catheter main body 2, across and straight pipe portion 9 and bent portion 11 and multiple opening portion 15 is set.Multiple opening portion 15 is spaced apart from each other by glazing bar portion 16.The face of lid 4 side of setting unit 14 forms the same face with the face of lid 4 side in glazing bar portion 16.
Wall part 17 is namely outstanding to lid 4 side from the peripheral part of setting unit 14 in parallel with each other in the mode relative to the outer surface of straight pipe portion 9 being the angle predetermined, and is formed as the ring-type of surrounding multiple opening portion 15 and glazing bar portion 16.The outer surface of straight pipe portion 9 is faces of lid 4 side of straight pipe portion 9.In the following description, the angle predetermined be with utilize shaping die by catheter main body 2 or lid 4 shaping after the angle consistent from the direction of the shaping die demoulding, be not defined as right angle.Wall part 17 is not limited to free of discontinuities continuous print moulding on the direction surrounding opening portion 15 and glazing bar portion 16, even the moulding being provided with interruption also can be suitable for.The height outstanding to lid 4 side from setting unit 14 of wall part 17 is the size less than the thickness of Porous part 3.That is, to contact with glazing bar portion 16 with setting unit 14 and by under the state of whole coverings of multiple opening portion 15, a part for Porous part 3 is outstanding to lid 4 side from wall part 17 in inner side Porous part 3 being contained in wall part 17.
Next door portion 17 is provided with multiple hooking part 19.Hooking part 19 is distributed in the mode generally spread all on the direction of the ring-type along wall part 17, and namely outstanding from the protruding end of wall part 17 towards lid 4 side in parallel with each other in the mode relative to the outer surface of straight pipe portion 7 being the angle predetermined.In Fig. 1, hooking part 19 is distributed multiple modes respectively with the edge up and down in next door portion 17 and sheet portion, left and right, is distributed while the direction of the ring-type along wall part 17 generally spreads all over.The front end of hooking part 19 is provided with hook portion 20.Protuberance 18 is outstanding in the mode of holding up to lid 4 side with the angle predetermined from the part being positioned at opening portion 15 side of setting unit 14, and is formed as the ring-type of surrounding multiple opening portion 15 and glazing bar portion 16.Protuberance 18 is not limited to free of discontinuities continuous print moulding on the direction surrounding opening portion 15 and glazing bar portion 16, even the moulding being provided with interruption also can be suitable for.
Porous part 3 be the resonance that causes of outer gas that the internal-combustion engine in order to absorb from catheter main body 2 to vehicle sucks and reduce induction noise and be configured in the parts of setting unit 14, and be utilize the nonwoven fabric with vent ability, shape on the direction of the flow direction 12 along the air by catheter main body 2 inside is formed as the curve form identical with setting unit 14, to reduce the moulding of the flowing resistance of catheter main body 2 inside.Thus, the Porous part 3 of Fig. 1 is compared with the Porous part 1002 of the writing board shape in the past of Figure 23, and area increases and improves acoustical absorbance properties.Porous part 3 is formed as the curve form be applicable to inside size and wall part 17.When being coated in setting unit 14 by Porous part 3, Porous part 3 is contained in the inner side of wall part 17 and contacts with glazing bar portion 16 with setting unit 14 and by whole coverings of multiple opening portion 15.
Lid 4 utilizes synthetic resin to be formed, for covering the size of Porous part 3 and wall part 17 and being formed as the moulding of the curve form identical with setting unit 14.Lid 4 is provided with through-hole section 22, glazing bar portion 23, mounting hole portion 24, covers wall portion 25, recess 26 and protuberance 27.Through-hole section 22 makes it possible to ventilate to opening portion 15, to arrange multiple through-hole section 22 with each mode be associated of multiple opening portion 15.Multiple through-hole section 22 is spaced apart by glazing bar portion 23.Across and lid 4 peripheral portion and cover wall portion 25, multiple mounting hole portion 24 is set accordingly with each of multiple hooking part 19, and is namely formed parallel to each other mounting hole portion 24 in the mode being the angle predetermined relative to the planar surface portion parallel with the outer surface of straight pipe portion 9 of lid 4.Cover wall portion 25 being that namely the angle predetermined gives prominence to from peripheral portion conductive pipe main body 2 side of lid 4 in parallel with each other relative to the planar surface portion parallel with the outer surface of straight pipe portion 9 of lid 4, and be formed as the ring-type of surrounding multiple through-hole section 22 and glazing bar portion 23.Cover wall portion 25 and be not limited to free of discontinuities continuous print moulding on the direction surrounding through-hole section 22 and glazing bar portion 23, even the moulding being provided with interruption also can be suitable for.In addition, also can next door portion 17 and cover both wall portion 25 interruption is set.
In addition, catheter main body 2 also can be configured to, by synthetic resin material injection moulding mould being formed as the pipe of the square tubular shape of a hollow, but, in the mode of execution 1 for carrying out an invention as shown in Figure 2, illustrate situation about being made up of two the main body constituting bodies 29,30 formed by synthetic resin material injection moulding mould.
With reference to Fig. 2, two main body constituting bodies 29,30 of the mode of execution 1 for carrying out an invention are described.The main body constituting body 29 of one side possesses: the planar surface portion 5 not being provided with setting unit 14; Planar surface portion 31,32 outstanding inside planar surface portion 5 conductive pipe main body 2; With from planar surface portion 31,32 conductive pipe main body 2 lip part 33,34 protruding outside.The main body constituting body 30 of the opposing party possesses: the planar surface portion 6 being provided with setting unit 14; Planar surface portion 35,36 outstanding inside planar surface portion 6 conductive pipe main body 2; From the lip part 37,38 that planar surface portion 35,36 conductive pipe main body 2 is protruding outside.
And two main body constituting bodies 29,30 are harmonious the square tubular shape of a formation hollow, and lip part 33,37 is engaged with each other as sealing shape, and lip part 34,38 is engaged with each other as sealing shape.Thus, as shown in Figure 4, planar surface portion 31,35 forms and is not provided with a planar surface portion 7 of setting unit 14, and planar surface portion 32,36 forms a planar surface portion 8, two main body constituting bodies 29,30 of not being provided with setting unit 14 and forms as the catheter main body 2 shown in the Fig. 1 possessing setting unit 14.
As represented by imaginary line in Fig. 4 and Fig. 5, cover wall portion 25 by arranging at lid 4, thus form recess 26 in the part being positioned at catheter main body 2 side of lid 4.The height given prominence to from lid 4 conductive pipe main body 2 side covering wall portion 25 is the size lower than the height of wall part 17.That is, when contacting with glazing bar portion 16 with setting unit 14 and by under the state of whole coverings of multiple opening portion 15 in inner side Porous part 3 being contained in wall part 17, lid 4 is coated on Porous part 3 and wall part 17, hooking part 19 and hook portion 20 are embedded into mounting hole portion 24, hook portion 20 is fixed on mounting hole portion 24, by lid 4 with catheter main body 2 is combined when, Porous part 3 is withstood on setting unit 14 in the mode not making Porous part 3 and depart from from setting unit 14 by lid 4.
Recess 26, at catheter main body 2 side opening of lid 4, is by the moulding covering wall portion 25 encirclement.Protuberance 27 is given prominence in the mode of part conductive pipe main body 2 side of covering wall portion 25 side holding up with the angle predetermined that is positioned at from lid 4, and is formed as the ring-type of surrounding multiple through-hole section 22 and glazing bar portion 23.Protuberance 27 is not limited to free of discontinuities continuous print moulding on the direction surrounding through-hole section 22 and glazing bar portion 23, even the moulding being provided with interruption also can be suitable for.In addition, also interruption can be set at both protuberance 18 and protuberance 27.
In addition, the protuberance 18 of catheter main body 2 and the protuberance 27 of lid 4 are configured to, and when lid 4 is installed on catheter main body 2, the direction parallel in the planar surface portion 6 with catheter main body 2 is configured alternately.Illustrate in Fig. 4 and Fig. 5, on the direction that the planar surface portion 6 with catheter main body 2 is parallel, protuberance 18 is configured in than the situation of protuberance 27 by opening portion 15 side.Although in contrast, eliminate diagram, even if on the direction that the planar surface portion 6 with catheter main body 2 is parallel, protuberance 18 is configured in and also can be suitable for by when wall part 17 side than protuberance 27.
With reference to Fig. 4 and Fig. 5, to utilizing lid 4, the situation that Porous part 3 is arranged on catheter main body 2 is described.As shown in the solid line in Fig. 4 and Fig. 5, Porous part 3 is contained in the inner side of wall part 17.Thus, Porous part 3 is suitably configured at setting unit 14, the peripheral portion of Porous part 3 can not be rolled from setting unit 14, and Porous part 3 and setting unit 14 contact with glazing bar portion 16 and by whole coverings of multiple opening portion 15.Then, the lid 4 represented with imaginary line is coated on Porous part 3 and wall part 17 as represented with solid line.In such coating lid 4, wall part 17, hooking part 19 and cover wall portion 25 mode is given prominence in parallel with each other to be the angle predetermined relative to the outer surface of straight pipe portion 9, therefore the direction coating lid 4 by from the outer surface relative to straight pipe portion 9 being the angle predetermined, thus whole mounting hole portion 24 of lid 4 is embedded in whole hooking parts 19, so lid 4 becomes easy to the installation of setting unit 14.
In addition, whole mounting hole portions 24 is embedded into whole hook portion 20 along with by whole hooking parts 19, the peripheral portion of lid 4, glazing bar portion 23 and protuberance 27 by Porous part 3 to setting unit 14 side compression, whole hook portion 20 is fixed on whole mounting hole portions 24, and lid 4 is combined with catheter main body 2.When like this by lid 4 and catheter main body 2 in conjunction with, hooking part 19 is distributed in the mode generally spread all on the direction of the ring-type along wall part 17, and therefore the peripheral portion of Porous part 3 can be withstood on setting unit 14 in the mode not producing gap between the peripheral portion and setting unit 14 of Porous part 3 by lid 4.
In addition, when lid 4 with catheter main body 2 in conjunction with, lid 4 cover the peripheral part of wall part 17 that wall portion 25 is configured to surround setting unit 14, Porous part 3 compresses and clips support by lid 4 and setting unit 14, thus gap is not produced between the peripheral portion and setting unit 14 of Porous part 3, therefore, the hot air in engine compartment can not be sucked redundantly, air can be reduced by flowing resistance when catheter main body 2 inside.In addition, Porous part 3 is clipped by the glazing bar portion 23 of the glazing bar portion 16 of catheter main body 2 and lid 4, thus prevents sinking of Porous part 3.
In addition, as as shown in solid line in Fig. 4 and Fig. 5, when utilizing setting unit 14 and lid 4 to clip support the Porous part 3 of curve form, protuberance 18,27 compresses the peripheral portion of Porous part 3 alternately in the direction parallel with planar surface portion 6, therefore the position deviation of Porous part 3 is prevented, on the other hand, in the mode not producing gap, the peripheral portion of Porous part 3 can be close contact in setting unit 14, the hot air sucked redundantly from the peripheral portion of Porous part 3 in engine compartment can be prevented.In addition, cover wall portion 25 owing to being provided with at lid 4, so be not provided with the structure of the tabular covering wall portion 25 at lid 4 compared with, the shape of lid 4 is suitably maintained.Even if any one or both of removing protuberance 18,27, also can be suitable for.
In addition, although the diagram of eliminating, also can pass through any one or bonding based on bond of ultrasonic welding, Vibration Welding or thermal weld, lid 4 and hooking part 19 are bonded to each other.In this case, can consider, by ultrasonic welding, Vibration Welding or thermal weld any one hook portion 20 is combined with lid 4, or by hook portion 20 being combined with lid 4 based on the bonding of bond, or, hook portion 20 is not set at hooking part 19, and by ultrasonic welding, Vibration Welding or thermal weld any one hooking part 19 is combined with lid 4, or by hooking part 19 being combined with lid 4 based on the bonding of bond.Also can remove hooking part 19, utilize the fastening piece such as Liu Ding or screw to be combined with setting unit 14 by lid 4.
As shown in Figure 6, flowing resistance analysis is carried out to the vehicle air inlet duct 1 assembled, area=3914mm when being cut off in the direction orthogonal with charge air flow by vehicle air inlet duct 1 2, in vehicle air inlet duct 1, traffic flow is 10m 3the air of/min, by analyzing the pressure loss near the outlet asking vehicle air inlet duct 1, obtain the pressure loss=-654Pa, this pressure loss=-654Pa, improve about 13% than the pressure loss=-752Pa in the vehicle air inlet duct 1001 in the past shown in Figure 24.In addition, the streamline obtained by flowing resistance analysis represents it is the result shown in Fig. 6.In Fig. 6,39 represent the streamline entering the air of catheter main body 2, and 40 represent the streamline entering the air of catheter main body 2 from Porous part 3 and opening portion 15.If observe this Fig. 6, then find the straight pipe portion 9 of catheter main body 2 and the streamline at bent portion 11 place not chaotic, therefore, flowing resistance is less.
With reference to Fig. 7, the vehicle air inlet duct 1 of the mode 2 for carrying out an invention is described.For in the vehicle air inlet duct 1 of mode 2 that carries out an invention, Porous part 3 is configured to have flexual writing board shape.And, Porous part 3 is configured at setting unit 14, lid 4 is coated on Porous part 3 and wall part 17, to wall portion 25 be covered be configured in the peripheral part of wall part 17, be accompanied by this, protuberance 27 by Porous part 3 to setting unit 14 side compression, hooking part 19 and hook portion 20 are embedded into mounting hole portion 24, hook portion 20 is fixed on mounting hole portion 24, thus, become lid 4 to be combined with catheter main body 2, be configured with cover wall portion 25 in the mode of the peripheral part surrounding wall part 17, Porous part 3 compresses and clips the form of support by lid 4 and setting unit 14.
With reference to Fig. 8, the vehicle air inlet duct 1 of the mode 3 for carrying out an invention is described.For in the vehicle air inlet duct 1 of mode 3 that carries out an invention, setting unit 14 is arranged at straight pipe portion 10, this straight pipe portion 10 is positioned at than bent portion 11 by the position by the downstream side of the flow direction 12 of the air of catheter main body 2 inside, the upstream side of the flow direction 12 of the air by catheter main body 2 inside of setting unit 14 and wall part 17 is the highest from the height that the planar surface portion 5 of straight pipe portion 10 is outstanding to lid 4 side, minimum from the height that the planar surface portion 5 of straight pipe portion 10 is outstanding to lid 4 side by the downstream side of the flow direction 12 of the air of catheter main body 2 inside.In other words, setting unit 14 is arranged at planar surface portion 5, being shaped to of setting unit 14 and wall part 17, along with the upstream side of the flow direction 12 from the air by catheter main body 2 inside is to downstream side, and step-down highly smoothly.Thus, the curve form of lid 4, setting unit 14 and Porous part 3 is configured to the shape different from the curve form of the lid 4 shown in Fig. 1, setting unit 14 and Porous part 3.It is although the Porous part 3 of Fig. 8 is compared with the Porous part 3 of Fig. 1, bending little, by making the difference of height at setting unit 14 place not have as much as possible, thus reduce flowing resistance.In addition, the Porous part 3 of Fig. 8 is compared with the Porous part 1002 of the writing board shape in the past of Figure 23, and area adds, thus improves acoustical absorbance properties.In addition, in Fig. 8, illustrate planar surface portion 5 to be configured in the outer circumferential side in bending part, planar surface portion 6 to be configured in the mode of the inner circumferential side in bending part, the situation that bent portion 11 bends from bent portion 11 to straight pipe portion 10.Relative to this, even if so that face 5 is configured in the inner circumferential side in bending part, planar surface portion 6 is configured in the mode of the outer circumferential side in bending part, bent portion 11 is bending to straight pipe portion 10 from bent portion 11, also by claiming the planar surface portion 5 of Fig. 8 to be planar surface portion 6, similarly can be suitable for.
With reference to Fig. 9, the vehicle air inlet duct 1 of the mode 4 for carrying out an invention is described.For in the vehicle air inlet duct 1 of mode 4 that carries out an invention, the flow direction 12 of the air by catheter main body 2 inside make the position in the glazing bar portion 16 of catheter main body 2 and the glazing bar portion 23 of lid 4 form alternately.And, Porous part 3 is configured at setting unit 14, lid 4 is coated on Porous part 3 and wall part 17, hooking part 19 and hook portion 20 to setting unit 14 side compression, are embedded into mounting hole portion 24, hook portion 20 are fixed on mounting hole portion 20 by Porous part 3 by protuberance 27, thus, become lid 4 to be combined with catheter main body 2, be configured with cover wall portion 25 in the mode of the peripheral part surrounding wall part 17, Porous part 3 compresses and clips the form of support by lid 4 and setting unit 14.
With reference to Figure 10 to Figure 12, the vehicle air inlet duct 1 of the mode 5 for carrying out an invention is described.As shown in Figures 10 and 11, the catheter main body 2 for the vehicle air inlet duct 1 of mode 5 carried out an invention is configured to, the bend pipe twisted centered by the flow direction 12 of the air by catheter main body 2 inside.Especially, as shown in FIG. 11 and 12, in each planar surface portion of two planar surface portion 5,6 of catheter main body 2, setting unit 3 is formed as the curve form parallel with the flow direction 12 of the air by catheter main body 2 inside and arranges separately, in each setting unit of the setting unit 3 of both sides, configure Porous part 3 individually, each setting unit for the setting unit 3 of both sides installs lid 4 individually.
Specifically, in Figure 12, the Porous part 3 of the side shown in solid line is configured in the setting unit 14 of a side of planar surface portion 5, the lid 4 of the side shown in imaginary line is coated in as shown by the solid line on the Porous part 3 of a side and the wall part 17 of a side, one side covered the wall part 17 that wall portion 25 is embedded in a side, be accompanied by this, the protuberance 27 of one side is by setting unit 14 side compression of the Porous part 3 of a side to a side, the hooking part 19 of one side and the hook portion 20 of a side are embedded into the mounting hole portion 24 of a side, the hook portion 20 of one side is fixed on the mounting hole portion 24 of a side, thus, the lid 4 of one side is combined with catheter main body 2, what be configured with a side in the mode of the peripheral part surrounding the wall part 17 of a side covers wall portion 25, the Porous part 3 of one side compresses and clips support by the lid 4 of one side and the setting unit 14 of a side.In addition, the Porous part 3 of the opposing party shown in solid line is configured in the setting unit 14 of the opposing party of planar surface portion 6, the lid 4 of the opposing party shown in imaginary line is coated in as shown by the solid line on the Porous part 3 of the opposing party and the wall part 17 of the opposing party, the protuberance 27 of the opposing party is by setting unit 14 side compression of the Porous part 3 of the opposing party to the opposing party, the hooking part 19 of the opposing party and the hook portion 20 of the opposing party are embedded into the mounting hole portion 24 of the opposing party, the hook portion 20 of the opposing party is fixed on the mounting hole portion 24 of the opposing party, thus, the lid 4 of the opposing party is combined with catheter main body 2, what be configured with the opposing party in the mode of the peripheral part surrounding the wall part 17 of the opposing party covers wall portion 25, the Porous part 3 of the opposing party compresses and clips support by the lid 4 of the opposing party and the setting unit 14 of the opposing party.
With reference to Figure 13 to Figure 16, the vehicle air inlet duct 1 of the mode 6 for carrying out an invention is described.As shown in figure 13, the vehicle air inlet duct 1 for the mode 6 carried out an invention utilizes synthetic resin to be configured to, the straight tube of the square tubular shape of the hollow utilizing the surrounding wall portion be made up of 4 planar surface portion 5 to 8 to surround.In addition, the outer gas side of importing of an end of catheter main body 2 is set to, and from forming the surrounding wall portion not being provided with the planar surface portion 5 of setting unit 14, the rear side to the direction that the flow direction 12 with the air by catheter main body 2 inside intersects is outstanding.The linking side with air cleaner and be set to of the other end of catheter main body 2, from forming the surrounding wall portion being provided with the planar surface portion 6 of setting unit 14, the front side to the direction that the flow direction 12 with the air by catheter main body 2 inside intersects is outstanding.That is, the air flowing into catheter main body 2 inside from the rear side of an end of catheter main body 2 with make the surrounding wall portion of formation planar surface portion 6 become the mode of the outer circumferential side in bending part bending after be directed to setting unit 14 side after, along with from setting unit 14 side to the side, the other end of catheter main body 2, bend the front side of the other end of rear arrival catheter main body 2 in the mode making the surrounding wall portion of formation planar surface portion 6 become the inner circumferential side in bending part.
When observing catheter main body 2 from setting unit 14 side, being shaped to of planar surface portion 5,6, along with the upstream side of the flow direction 12 from the air by catheter main body 2 inside is to downstream side, the width between the edge part of planar surface portion 7 side and the edge part of planar surface portion 8 side becomes large arcuation gradually.The planar surface portion 6 of one of the formation surrounding wall portion of catheter main body 2 is provided with setting unit 14.Setting unit 14 is provided with opening portion 15, glazing bar portion 16, wall part 17 and protuberance 18.Opening portion 15 arranges multiple as the square window inside and outside transtracheal catheter main body 2.Multiple opening portion 15 is spaced apart from each other by glazing bar portion 16.The face of lid 4 side of setting unit 14 forms the same face with the face of lid 4 side in glazing bar portion 16.
The height outstanding to lid 4 side from planar surface portion 6 of the upstream side of the flow direction 12 of the air by catheter main body 2 inside of setting unit 14 and wall part 17 is the highest, minimum from the height that planar surface portion 6 is outstanding to lid 4 side by the downstream side of the flow direction 12 of the air of catheter main body 2 inside.In other words, being shaped to of setting unit 14 and wall part 17, along with the upstream side of the flow direction 12 from the air by catheter main body 2 inside is to downstream side, step-down highly smoothly.
Wall part 17 with relative to planar surface portion 6 for the mode of the angle predetermined is namely outstanding to lid 4 side from the peripheral part of setting unit 14 in parallel with each other, and be formed as the ring-type of surrounding multiple opening portion 15 and glazing bar portion 16.Wall part 17 is not limited to free of discontinuities continuous print moulding on the direction surrounding opening portion 15 and glazing bar portion 16, even the moulding being provided with interruption also can be suitable for.The height outstanding to lid 4 side from setting unit 14 of wall part 17 is the size less than the thickness of Porous part 3.That is, to contact with glazing bar portion 16 with setting unit 14 and by under the state of whole coverings of multiple opening portion 15, a part for Porous part 3 is outstanding to lid 4 side from wall part 17 in inner side Porous part 3 being contained in wall part 17.
The multiple hooking parts 19 being located at wall part 17 are distributed in the mode generally spread all on the direction of the ring-type along wall part 17, and namely to give prominence to from the protruding end of wall part 17 towards lid 4 side in parallel with each other relative to the mode of planar surface portion 6 for the angle predetermined.Illustrate the upper slice portion be distributed by hooking part 19 as next door portion 17 in Figure 12 to be 3, to be 3 in lower piece section, to be 1 in left portion, to be the moulding of 2 in right portion.The number that the fluctuating plate portion in multiple hooking part 19 next door portion 17 and sheet portion, left and right are arranged is not limited to above-mentioned number, as long as multiple hooking part 19 generally spreads all over and is distributed on the direction of the ring-type along wall part 17, just can be suitable for, but, if multiple hooking part 19 is arranged on fluctuating plate portion and the sheet portion, left and right of wall part 17 in the manner depicted in fig. 13, then when lid 4 is arranged on setting unit 14, can not get wrong and suitably lid 4 is installed up and down.The front end of hooking part 19 is provided with hook portion 20.
The protuberance 18 being located at setting unit 14 with relative to planar surface portion 6 for the mode of the angle predetermined is namely outstanding to lid 4 side in parallel with each other, and be formed as the ring-type of surrounding multiple opening portion 15 and glazing bar portion 16.The Porous part 3 being configured at setting unit 14 utilizes the nonwoven fabric with vent ability to be configured to have flexual writing board shape.Be provided with through-hole section 22, glazing bar portion 23, mounting hole portion 24 at lid 4, cover wall portion 25, recess 26 and protuberance 27.The height given prominence to from lid 4 conductive pipe main body 2 side covering wall portion 25 is the size lower than the height of wall part 17.Protuberance 27 to give prominence to from lid 4 conductive pipe main body 2 side relative to the mode of planar surface portion 6 for the angle predetermined, and is formed as the ring-type of surrounding multiple opening portion 15 and glazing bar portion 16.
With reference to Figure 14, two main body constituting bodies 29,30 of the catheter main body 2 of the mode 6 being configured for carrying out an invention are described.The main body constituting body 29 of one side possesses: the planar surface portion 5 not being provided with setting unit 14; Planar surface portion 31,32 outstanding respectively inside this planar surface portion 5 conductive pipe main body 2; And the lip part 33,34 given prominence to respectively outside these planar surface portion 34,35 conductive pipe main bodys 2.The main body constituting body 30 of the opposing party possesses: the planar surface portion 6 being provided with setting unit 14; Planar surface portion 35,36 outstanding respectively inside this planar surface portion 6 conductive pipe main body 2; And the lip part 37,38 given prominence to respectively outside these planar surface portion 35,36 conductive pipe main bodys 2.
And two main body constituting bodies 29,30 are harmonious the square tubular shape of a formation hollow, and lip part 33,37 is engaged with each other as sealing shape, and lip part 34,38 is engaged with each other as sealing shape.Thus, the planar surface portion 31,35 of a pair forms the planar surface portion 7 (with reference to Figure 13) not being provided with setting unit 14, the planar surface portion 32,36 of a pair forms the planar surface portion 8 (with reference to Figure 13) not being provided with setting unit 14, and two main body constituting bodies 29,30 are formed as the catheter main body 2 possessing setting unit 14.
With reference to Figure 16, the situation that the setting unit 14 of the catheter main body 2 in the mode 6 for carrying out an invention utilizes lid 4 to install Porous part 3 is described.Porous part 3 is configured at setting unit 14, lid 4 shown in imaginary line is coated in as shown by the solid line on Porous part 3 and wall part 17, hooking part 19 and hook portion 20 are embedded into mounting hole portion 19, hook portion 20 is fixed on mounting hole portion 24, thus become lid 4 and be combined with catheter main body 2, Porous part 3 is clipped the form of support by lid 4 and setting unit 14.Thus, the vehicle air inlet duct 1 for the mode 6 carried out an invention is configured to the shape in Figure 16 shown in solid line, plays the functions and effects same with the vehicle air inlet duct 1 of the mode 1 for carrying out an invention.
With reference to Figure 17, the vehicle air inlet duct 1 of the mode 7 for carrying out an invention is described.Form as the outer surface of planar surface portion 6 for the setting unit 14 of the vehicle air inlet duct 1 of mode 7 that carries out an invention, the height outstanding to lid 4 side from planar surface portion 6 of wall part 17 is configured to parallel with planar surface portion 6, lid 4 is configured to the tabular parallel with planar surface portion 6, and the height outstanding from lid 4 conductive pipe main body 2 side covering wall portion 12 is configured to parallel with planar surface portion 6.And, Porous part 3 is configured in setting unit 14, hooking part 19 and hook portion 20 are embedded into mounting hole portion 24, hook portion 20 is fixed on mounting hole portion 24, lid 4 is combined with catheter main body 2, Porous part 3 compresses and clips support by setting unit 14 and lid 4, thus, is configured by Porous part 3 close to catheter main body 2.
With reference to Figure 18, the vehicle air inlet duct 1 of the mode 8 for carrying out an invention is described.For in the vehicle air inlet duct 1 of mode 8 that carries out an invention, the flow direction 12 of the air by catheter main body 2 inside make the position in the glazing bar portion 16 of catheter main body 2 and the glazing bar portion 23 of lid 4 form alternately, thus, the narrower intervals of the flow direction 12 of the air by catheter main body 2 inside in glazing bar portion 16 and glazing bar portion 23.Vehicle air inlet duct 1 shown in Figure 18 with the difference of the vehicle air inlet duct 1 shown in Fig. 9 is, the setting unit 14 of Figure 18 is plane at the flow direction 12 of the air by catheter main body 2 inside, on the other hand, the setting unit 14 of Fig. 9 is the curved surface of the flow direction 12 along the air by catheter main body 2 inside.
With reference to Figure 19, the vehicle air inlet duct 1 of the mode 9 for carrying out an invention is described.For in the vehicle air inlet duct 1 of mode 9 that carries out an invention, as as shown in imaginary line in Figure 19, remove hooking part 19 (with reference to Fig. 4) and hook portion 20 (with reference to Fig. 4) from catheter main body 2, as shown in solid line in Figure 19, eliminate mounting hole portion 24 (with reference to Fig. 4) from lid 4, cover wall portion 25 (with reference to Fig. 4) and recess 26 (with reference to Fig. 4).And, as shown in solid line in Figure 19, lid 4 is being coated in after on Porous part 3 and wall part 17, the peripheral portion of lid 4 and wall part 17 are provided to ultrasound and make it be bonded to each other at complete cycle, thus Porous part 3 compresses and clips the form of support by the setting unit 14 and the lid 4 that become catheter main body 2.
With reference to Figure 20, the vehicle air inlet duct 1 of the mode 10 for carrying out an invention is described.For in the vehicle air inlet duct 1 of mode 10 that carries out an invention, the height outstanding to lid 4 side from setting unit 14 of wall part 17 is the size larger than the thickness of Porous part 3, on the other hand, the height given prominence to from lid 4 conductive pipe main body 2 side of protuberance 27 is the size larger than the height of the protuberance 27 shown in Fig. 4, to make protuberance 27 by Porous part 3 to setting unit 14 side compression.And, Porous part 3 is configured at setting unit 14, lid 4 is coated on Porous part 3 and wall part 17, hooking part 19 and hook portion 20 to setting unit 14 side compression, are embedded into mounting hole portion 24, hook portion 20 are fixed on mounting hole portion 24 by Porous part 3 by protuberance 27, thus, become lid 4 to be combined with catheter main body 2, be configured with cover wall portion 25 in the mode of the peripheral part surrounding wall part 17, Porous part 3 compresses and clips the form of support by lid 4 and setting unit 14.
With reference to Figure 21 and Figure 22, the vehicle air inlet duct 1 of the mode 11 for carrying out an invention is described.As shown in figure 21, the vehicle air inlet duct 1 for the mode 11 carried out an invention is configured to, and mounting hole portion 24 is arranged at catheter main body 2 side, and hooking part 19 and hook portion 20 are arranged at lid 4 side.Specifically, mounting hole portion 24 is arranged at wall part 17, hooking part 19 is arranged at and covers wall portion 25.Cover in wall portion 25, be formed with the groove 41 of a pair from the end face of catheter main body 2 side to lid 4 side.The spring sheet stayed between the groove 41 of a pair is hooking part 19.The height given prominence to from lid 4 conductive pipe main body 2 side of hooking part 19 is the size less than the height outstanding to lid 4 side from planar surface portion 6 covering wall portion 25.The end of catheter main body 2 side of hooking part 19 is provided with hook portion 20.
And, in Figure 22, Porous part 3 is configured at setting unit 14, lid 4 is coated on Porous part 3 and wall part 17, protuberance 27 by Porous part 3 to setting unit 14 side compression, hooking part 19 and hook portion 20 are embedded into mounting hole portion 24, hook portion 20 is fixed on mounting hole portion 20, thus, become lid 4 and be combined with catheter main body 2, be configured with in the mode of the peripheral part surrounding wall part 17 and cover wall portion 25, Porous part 3 compresses and clips the form of support by lid 4 and setting unit 14.
Although the diagram of eliminating, shown in Figure 15 in the vehicle air inlet duct 1 of mode 6 that carries out an invention, even if the planar surface portion 5,6 Porous part 3 being configured at catheter main body 2 also can be suitable for.Structure Porous part 3 being configured at the planar surface portion 5,6 of catheter main body 2 is the moulding suitable with Figure 12.

Claims (7)

1. a vehicle air inlet duct, possesses: the catheter main body being formed as the square tubular shape of hollow, in the setting unit of the curve form that the surrounding wall portion of catheter main body is arranged in mode bending on the flow direction of the air by catheter main body inside, the opening portion of setting unit is formed in the mode inside and outside transtracheal catheter main body, the Porous part of setting unit is configured in the mode of the outer side covers opening portion from catheter main body, and there is the lid of the through-hole section externally to opening portion ventilation made it possible to from catheter main body, by lid is arranged on setting unit to cover the mode being configured at the Porous part of setting unit, thus, Porous part is clipped support by lid and setting unit, the feature of this vehicle air inlet duct is, in setting unit, wall part is outstanding to lid side, and be formed as the ring-type of surrounding opening portion, next door portion, multiple hooking parts with hook portion are distributed in the mode generally spread all on the direction of the ring-type along wall part and arrange highlightedly to lid side from wall part in parallel with each other, the peripheral portion of lid is provided with the number mounting hole portion corresponding with hooking part, when lid is arranged on setting unit to cover the mode being configured at the Porous part of setting unit, hooking part and hook portion are embedded into mounting hole portion, hook portion is fixed on mounting hole portion, thus lid is combined with catheter main body.
2. a vehicle air inlet duct, possesses: the catheter main body being formed as the square tubular shape of hollow, in the setting unit of the curve form that the surrounding wall portion of catheter main body is arranged in mode bending on the flow direction of the air by catheter main body inside, the opening portion of setting unit is formed in the mode inside and outside transtracheal catheter main body, the Porous part of setting unit is configured in the mode of the outer side covers opening portion from catheter main body, and there is the lid of the through-hole section externally to opening portion ventilation made it possible to from catheter main body, by lid is arranged on setting unit to cover the mode being configured at the Porous part of setting unit, thus, Porous part is clipped support by lid and setting unit, the feature of this vehicle air inlet duct is, in setting unit, wall part is outstanding to lid side, and be formed as the ring-type of surrounding opening portion, next door portion is provided with the number mounting hole portion corresponding with hooking part, at the peripheral portion of lid, to there are multiple hooking parts of hook portion to be distributed in the mode generally spread all on the direction around the peripheral portion of lid and to arrange highlightedly from lid conductive pipe main body side in parallel with each other, when lid is arranged on setting unit to cover the mode being configured at the Porous part of setting unit, hooking part and hook portion are embedded into mounting hole portion, hook portion is fixed on mounting hole portion, thus lid is combined with catheter main body.
3. a vehicle air inlet duct, possesses: the catheter main body being formed as the square tubular shape of hollow, in the setting unit that the planar surface portion of the formation surrounding wall portion of catheter main body is arranged, the opening portion of setting unit is formed in the mode inside and outside transtracheal catheter main body, the Porous part of setting unit is configured in the mode of the outer side covers opening portion from catheter main body, and there is the lid of the through-hole section externally to opening portion ventilation made it possible to from catheter main body, by lid is arranged on catheter main body to cover the mode being configured at the Porous part of setting unit, thus Porous part is clipped support by lid and setting unit, the feature of this vehicle air inlet duct is, in setting unit, wall part is outstanding to lid side, and be formed as the ring-type of surrounding opening portion, next door portion, multiple hooking parts with hook portion are distributed in the mode generally spread all on the direction of the ring-type along wall part and arrange highlightedly to lid side from wall part in parallel with each other, the peripheral portion of lid is provided with the number mounting hole portion corresponding with hooking part, when lid is arranged on setting unit to cover the mode being configured at the Porous part of setting unit, hooking part and hook portion are embedded into mounting hole portion, hook portion is fixed on mounting hole portion, thus lid is combined with catheter main body.
4. a vehicle air inlet duct, possesses: the catheter main body being formed as the square tubular shape of hollow, in the setting unit that the outer surface of the planar surface portion of the formation surrounding wall portion of catheter main body is arranged, the opening portion of setting unit is formed in the mode inside and outside transtracheal catheter main body, the Porous part of setting unit is configured in the mode of the outer side covers opening portion from catheter main body, and there is the lid of the through-hole section externally to opening portion ventilation made it possible to from catheter main body, by lid is arranged on setting unit to cover the mode being configured at the Porous part of setting unit, thus Porous part is clipped support by lid and setting unit, the feature of this vehicle air inlet duct is, in setting unit, wall part is outstanding to lid side, and be formed as the ring-type of surrounding opening portion, next door portion is provided with the number mounting hole portion corresponding with hooking part, at the peripheral portion of lid, to there are multiple hooking parts of hook portion to be distributed in the mode generally spread all on the direction around the peripheral portion of lid and to arrange highlightedly from lid conductive pipe main body side in parallel with each other, when lid is arranged on setting unit to cover the mode being configured at the Porous part of setting unit, hooking part and hook portion are embedded into mounting hole portion, hook portion is fixed on mounting hole portion, thus lid is combined with catheter main body.
5. according to the vehicle air inlet duct in Claims 1 to 4 described in any one, it is characterized in that, in the lid, cover wall portion conductive pipe main body side to give prominence to and the ring-type being formed as surrounding through-hole section, when lid is arranged on setting unit in the mode covering Porous part, configures in the mode of the peripheral part surrounding the wall part of setting unit and cover wall portion.
6. a vehicle air inlet duct, possesses: the catheter main body being formed as the square tubular shape of hollow, in the setting unit of the curve form that the surrounding wall portion of catheter main body is arranged in mode bending on the flow direction of the air by catheter main body inside, the opening portion of setting unit is formed in the mode inside and outside transtracheal catheter main body, the Porous part of setting unit is configured in the mode of the outer side covers opening portion from catheter main body, and there is the lid of the through-hole section externally to opening portion ventilation made it possible to from catheter main body, by lid is arranged on setting unit to cover the mode being configured at the Porous part of setting unit, thus Porous part is clipped support by lid and setting unit, the feature of this vehicle air inlet duct is, in setting unit, wall part is outstanding to lid side, and be formed as the ring-type of surrounding opening portion, when lid is arranged on setting unit to cover the mode being configured at the Porous part of setting unit, pass through ultrasonic welding, the peripheral portion of lid is combined with wall part by any one of Vibration Welding or thermal weld, or be combined with wall part by the bonding peripheral portion by lid based on bond.
7. a vehicle air inlet duct, possesses: the catheter main body being formed as the square tubular shape of hollow, in the setting unit that the outer surface of the planar surface portion of the formation surrounding wall portion of catheter main body is arranged, the opening portion of setting unit is formed in the mode inside and outside transtracheal catheter main body, the Porous part of setting unit is configured in the mode of the outer side covers opening portion from catheter main body, and there is the lid of the through-hole section externally to opening portion ventilation made it possible to from catheter main body, by lid is arranged on setting unit to cover the mode being configured at the Porous part of setting unit, thus Porous part is clipped support by lid and setting unit, the feature of this vehicle air inlet duct is, in setting unit, wall part is outstanding to lid side, and be formed as the ring-type of surrounding opening portion, when lid is arranged on setting unit to cover the mode being configured at the Porous part of setting unit, pass through ultrasonic welding, the peripheral portion of lid is combined with wall part by any one of Vibration Welding or thermal weld, or be combined with wall part by the bonding peripheral portion by lid based on bond.
CN201380044531.4A 2012-09-13 2013-09-12 Vehicle air induction conduit Active CN104583574B (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP2012202134 2012-09-13
JP2012-202134 2012-09-13
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PCT/JP2013/074769 WO2014042229A1 (en) 2012-09-13 2013-09-12 Air intake duct for vehicle
JP2013189901A JP6211859B2 (en) 2012-09-13 2013-09-12 Intake duct for vehicle
JP2013-189902 2013-09-12
JP2013189902A JP6202956B2 (en) 2013-09-12 2013-09-12 Intake duct for vehicle

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004293433A (en) * 2003-03-27 2004-10-21 Toyoda Gosei Co Ltd Intake device and its manufacturing method
JP2008231956A (en) * 2007-03-16 2008-10-02 Daikyo Nishikawa Kk Sound absorbing structure
CN101456354A (en) * 2007-12-12 2009-06-17 大起产业株式会社 Air duct assemble for vehicle
JP2009250183A (en) * 2008-04-10 2009-10-29 Mahle Filter Systems Japan Corp Air intake duct of internal combustion engine
WO2011155437A1 (en) * 2010-06-08 2011-12-15 株式会社イノアックコーポレーション Intake duct

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004293433A (en) * 2003-03-27 2004-10-21 Toyoda Gosei Co Ltd Intake device and its manufacturing method
JP2008231956A (en) * 2007-03-16 2008-10-02 Daikyo Nishikawa Kk Sound absorbing structure
CN101456354A (en) * 2007-12-12 2009-06-17 大起产业株式会社 Air duct assemble for vehicle
JP2009250183A (en) * 2008-04-10 2009-10-29 Mahle Filter Systems Japan Corp Air intake duct of internal combustion engine
WO2011155437A1 (en) * 2010-06-08 2011-12-15 株式会社イノアックコーポレーション Intake duct

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