CN101509446B - Air feeder structure of internal combustion engine - Google Patents

Air feeder structure of internal combustion engine Download PDF

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Publication number
CN101509446B
CN101509446B CN 200910007516 CN200910007516A CN101509446B CN 101509446 B CN101509446 B CN 101509446B CN 200910007516 CN200910007516 CN 200910007516 CN 200910007516 A CN200910007516 A CN 200910007516A CN 101509446 B CN101509446 B CN 101509446B
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CN
China
Prior art keywords
air
connecting tube
strainer
combustion engine
internal
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Expired - Fee Related
Application number
CN 200910007516
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Chinese (zh)
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CN101509446A (en
Inventor
中川英亮
与仓康文
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Honda Motor Co Ltd
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Honda Motor Co Ltd
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  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Electric Vacuum Cleaner (AREA)

Abstract

This invention provides an intake pipe structure of internal combustion engine, which may tangibly lock the connection part of the connection tube and the air filter without increasing the component number and the assembling time, and may keep the good sealability for a long time. The intake pipe (101) of internal combustion engine comprises: an air filter (54) for supplying purified air to the internal combustion engine, a connection tube (103) for connecting the air filter (54) and the internal combustion engine, a lock projection (109) mounted at a side wall (103a) of the connection tube (103). A wall part (108) is integrally mounted at the wall surface of the air filter (54) facing to the connection tube (103) along the connection tube (103). The wall part (108) is provided with a locking part (164) for locking the lock projection (109).

Description

The air feeder structure of internal-combustion engine
Technical field
The present invention relates to the improvement of the air feeder structure of internal-combustion engine.
Background technique
The known air feeder structure that the internal-combustion engine that possesses connecting tube is arranged, this connecting tube connect between air-strainer and the internal-combustion engine, the air (for example with reference to patent documentation 1) after being purified by air-strainer to this internal-combustion engine conveying.
Patent documentation 1:(Japan) the real clear 61-108877 communique (Fig. 2) of opening
In Fig. 2 of patent documentation 1, (reference character is used the reference character in this communique in the exterior portion 4 of resilient engagement pipe (hereinafter referred to as " connecting tube "), below identical) be formed with a plurality of riveting shape projection 5...... (" ... " expression a plurality of, below identical), 5...... is provided with reinforcement plate 6 in these riveting shape projections.By the exterior portion 4 at connecting tube stiffening plate 6 is set, thereby prevents from causing exterior portion 4 distortion because of the internal-combustion engine negative suction.
But, for this exterior portion 4, although the connecting tube of patent documentation 1 can suppress its distortion, for the joint of connecting tube and air-strainer, because stiffening plate 6 and riveting shape projection 5...... can not engage, therefore be embedded with ring portion 2.Burying ring portion 2 underground can cause cost to increase.
Summary of the invention
Problem of the present invention is to provide a kind of air feeder structure of internal-combustion engine, and it can lock effectively the joint of connecting tube and air-strainer and can not cause number of components and assembling to increase man-hour, and can the good sealability of long term maintenance.
The invention of first aspect provides a kind of air feeder structure of internal-combustion engine, it has the air-strainer of the air after supply with purifying to internal-combustion engine and with the connecting tube that connects between this air-strainer and the internal-combustion engine, the air feeder structure of this internal-combustion engine is characterised in that, sidewall at connecting tube arranges locking protrusion, the wall that faces connecting tube at air-strainer, along connecting tube wall section is set integratedly, the hooking part that locking protrusion is locked is set in this wall section.
The invention of second aspect is characterized in that, the shape of connecting tube is being installed on connecting tube the pipe assembly department ovalize of air-strainer, and locking protrusion is arranged at the oval-shaped long limit of connecting tube.
The invention of the third aspect is characterized in that, at the front end of locking protrusion, is provided with the handle that the operator can control when assembling, and hooking part is the slit that is formed at the part of wall section.
In the invention of first aspect, at air-strainer, along connecting tube wall section is set integratedly, the hooking part that locking protrusion is locked is set in this wall section, the locking protrusion that will be arranged at the connecting tube sidewall by this hooking part locks.Because connecting tube is via the locking of locking protrusion and air-strainer, therefore when connecting tube is installed on air-strainer, do not use the parts such as band (バ Application De) can keep effectively connecting tube is assembled into the state of air-strainer.
In addition, after connecting tube was assembled into air-strainer, with respect to the distortion of connecting tube radial direction, the locking protrusion that is installed on hooking part became support, was difficult to make the connecting tube distortion.Because connecting tube is difficult to distortion, therefore the joint between connecting tube and air-strainer is difficult to produce the gap.Owing to being difficult to produce the gap at joint, therefore can make for a long time the joint between connecting tube and the air-strainer have stable sealability.
In the invention of second aspect, be installed on the pipe assembly department of air-strainer, the shape ovalize of connecting tube, the locking protrusion that connecting tube is limited to air-strainer is arranged at the oval-shaped long limit of connecting tube.
Because connecting tube is locking than the easier long crooked long limit of minor face and air-strainer, therefore connecting tube can make the joint between connecting tube and the air-strainer have stable sealability.
In addition, because connecting tube locks with engaging protrusion and the hooking part that supports this engaging protrusion securely at long lateral dominance, therefore when air inlet, with respect to the pressure oscillation of connecting tube inboard, the sidewall of connecting tube is difficult to be out of shape, and can expect to keep the effect of enough air inflows.
If the sidewall of connecting tube is difficult to distortion, then there is no need at the stiffening plate of sidewall setting example as being consisted of by the contour rigid material of sheet metal, therefore can seek the lightweight of suction tude.
In the invention of the third aspect, at the front end of locking protrusion, the handle that the operator can control when being provided with assembling, hooking part is the slit that is formed at the part of wall section.
When connecting tube is assembled into air-strainer, because the operator only passes slit by the handle of controlling locking protrusion with locking protrusion, connecting tube and air-strainer can be locked, therefore can easily carry out assembling operation.
Description of drawings
Fig. 1 is the side view of vehicle that adopts the air feeder structure of internal-combustion engine of the present invention;
Fig. 2 is the major component side view of expression air-strainer of the present invention and connecting tube;
Fig. 3 be Fig. 23 to view;
Fig. 4 be Fig. 34 to view;
Fig. 5 is the planimetric map of expression air-strainer of the present invention and connecting tube;
Fig. 6 is the 6-6 line sectional drawing of Fig. 5;
Fig. 7 is the exploded perspective view of expression air-strainer of the present invention and connecting tube;
Fig. 8 is the major component sectional drawing of expression air-strainer of the present invention and connecting tube;
Fig. 9 is the planimetric map of connecting tube of the present invention;
Figure 10 is the 10-10 line sectional drawing of Fig. 9;
Figure 11 is the figure of the joint between explanation air-strainer of the present invention and the connecting tube;
Figure 12 is the 12-12 line sectional drawing of Figure 11;
Figure 13 is the 13-13 line sectional drawing of Fig. 3;
Figure 14 is the figure of the effect of explanation air-strainer of the present invention and connecting tube.
Description of reference numerals
15 internal-combustion engines, 54 air-strainer
Air feeder structure 103 connecting tubes of 101 internal-combustion engines
The sidewall 108 wall sections of 103a connecting tube
The front end of 109 locking protrusion 109a locking protrusions
151 slits, 152 long limits
163 handles, 164 hooking parts
173 pipe assembly departments
Embodiment
Below be used for implementing optimum embodiment of the present invention based on description of drawings.Reach in the drawings among the embodiment, " on ", D score, 'fornt', 'back', " left side ", " right side " represent respectively the direction seen from riding on two-wheeled driver.In addition, accompanying drawing is to point to the figure that sees according to symbol.
Fig. 1 is the side view of vehicle that has adopted the air feeder structure of internal-combustion engine of the present invention, vehicle 10 is as described below two-wheeled, dispose motor 12 as internal-combustion engine 15 at the central part of vehicle frame 11, front fork 13 is supported on the front end of vehicle frame 11 steerably, back vent 14 can be supported on the rear and low part of vehicle frame 11 with fluctuating, as main fuel, use ethanol, the miscella of gasoline or gasoline and ethanol, and when engine start, for example only when the low and engine start of temperature is bad, use the miscella (wherein, compare main fuel, the proportions of ingredients of gasoline is higher) of gasoline or gasoline and ethanol as secondary fuel.
Vehicle frame 11 is the frame partss with the combination of a plurality of impact briquetting parts, by consisting of such as lower member: the body frame 22 of being located at the head tube 21 of front end, rearward extending from this head tube 21, the center rest 23 that extends downwards from the intermediate portion of this body frame 22, the subframe 24 that links with the bottom of the rear portion of body frame 22 and center rest 23 respectively, the underframe 26 that extends to the oblique rear lower side from head tube 21.
Head tube 21 is the parts that are rotatably mounted with front fork 13, and front fork 13 is equipped with deflecting bar 31 on top, front-wheel 32 is installed in the bottom.Body frame 22 is such as lower member: forwardly so that the fuel tank 33 that stores main fuel to be installed across mode, passenger seat 34 is installed at the rear portion.
Center rest 23 is and the part of underframe 26 in the lump supporting engine 12 that the pivot 36 of being located at center rest 23 becomes the axis of rocking of back vent 14.In the rear end of back vent 14 trailing wheel 35 is installed.
At the rear portion of back vent 14 and the rear portion of body frame 22, back buffer assembly 37 is striden and is established and install.Reference character 38 is installation shaft of being located at body frame 22 and back buffer assembly 37 upper end portions being installed.
Underframe 26 is the parts via support 39 supporting engines 12.
Motor 12 is provided with speed changer 41 integratedly at the rear portion, be provided with cylinder head 44 in the cylinder part 43 of extending upward, is connected with air inlet system 46 at the rear portion of this cylinder head 44, is connected with venting gas appliance 47 in the front portion of cylinder head 44.
Air inlet system 46 is by consisting of such as lower member: the tb 52 that the suction tude 51 that an end is connected with cylinder head 44, an end are connected with the other end of this suction tude 51, the air-strainer 54 that is connected with the other end of this tb 52 via connecting tube 103.
Venting gas appliance 47 is by consisting of such as lower member: an end is connected with the front portion of cylinder head 44 and follows the outlet pipe 56 that rearward extends, the baffler 57 that is connected and rearward extends with the other end of this outlet pipe 56 downwards from the place ahead of motor 12.
Reference character 61 among the figure is front shrouds, the 62nd, headlight, the 63rd, and front screen, the 64th covers the side cover, the 66th of air-strainer 54 sidepieces, rear side cover, the 67th, backboard, the 68th, taillight, the 71st, master bracket, the 72nd, the output shaft of speed changer 41, the 73rd is installed on the driving sprocket wheel, the 74th of output shaft 72, is installed on integratedly the driven sprocket, the 76th of trailing wheel 35, is hung on the chain, the 77th of driving sprocket wheel 73 and driven sprocket 74, chain guard.
Fig. 2 is the major component side view of expression air-strainer of the present invention and connecting tube, Fig. 3 be Fig. 23 to view, Fig. 4 be Fig. 34 to view.Below, describe with reference to Fig. 2~Fig. 4.Among the figure, omit outside the air feeder structure such as key elements such as tbs.
The air feeder structure 101 of internal-combustion engine of the present invention take such as lower member as the main composition key element: to the air-strainer 54 of supplying with the air after purifying as the motor (with reference to the reference character 12 among Fig. 1) of internal-combustion engine (with reference to the reference character 15 among Fig. 1), be installed on this air-strainer 54 and extraneous gas introduced the supplying tube 102 as pipe part of air-strainer 54, with connect between air-strainer 54 and the motor 12 and will purify after air supply to the connecting tube 103 of the tb (reference character 52 among Fig. 1) of motor 12, with the extension of extending upward setting from this connecting tube 103 resonator 105 that pipe section 104 links and have the functions such as reduction inflow noise is set.
Joint 106 at connecting tube 103 and air-strainer 54 is provided with wall section 108 at air-strainer 54, and the locking protrusion 109,109 that arranges from the extension of connecting tube 103 sidewalls is engaged with this wall section 108.
Air-strainer 54 is positioned at body frame 22 belows and is configured to cross body frame 22 in the approximate centre of vehicle-width direction.On the top of air-strainer 54, erect upward and be provided with assembly department 111.This assembly department 111 is installed on body frame 22 and fixes via bolt 181.
At resonator 105, extend to be provided with support plate 112 is installed, by this installation support plate 112 and the connecting member 182 that inserts this installation support plate 112 it is anchored on air-strainer 54 and installs.
Below air-strainer 54, dispose the side and see and form general triangular and take in the toolbox 115 of safeguarding with instrument etc., can effectively utilize the space that is surrounded by body frame 22, center rest 23 and subframe 24.Reference character 116 is Drainage Divisions.
Fig. 5 is the planimetric map of expression air-strainer of the present invention and connecting tube, and the top as clean side case half sheet 122 of the component parts of air-strainer 54 is provided with the assembly department 111 as support that is installed on frame sides.
In addition, at clean side case half sheet 122, connecting tube 103 is installed.
Fig. 6 is the 6-6 line sectional drawing of Fig. 5, and expression is connected with the structure of the part of connecting tube 103.
Sidewall 103a at connecting tube 103, the outstanding locking protrusion 109,109 that is provided with, these locking protrusions 109,109 and slit 151,151 lock, this slit 151,151 is formed at the wall section 108 that is arranged on clean side case half sheet 122 and locking protrusion 109,109 is locked.
Fig. 7 is the exploded perspective view of expression air-strainer of the present invention and connecting tube, and air-strainer 54 is by consisting of such as lower member: unclean side case half sheet 121, with clean side case half sheet 122 of this unclean side case half sheet 121 relative configurations, be disposed between this clean side case half sheet 122 and unclean side case half sheet 121 and the intermediate member 124 of installation clean side case half sheet 122 and unclean side case half sheet 121, be located between this intermediate member 124 and unclean side case half sheet 121 and member (ェ レ メ Application ト) 123 formations of filtration and purification outside air.
Member 123 is made of the polyurethane member 123a processed that is disposed at unclean side case half sheet 121 sides and the member 123b made of paper that is disposed at clean side case half sheet 122 sides, is configured according to the order from the air flow of upstream flow further downstream.
Intermediate member 124 is the frame-like parts, is to utilize a plurality of connecting member 114...... that the parts of unclean side case half sheet 121 and clean side case half sheet 122 are installed from both sides.By intermediate member 124 is set, can seek the versatility of member 123 and the capacity of air-strainer 54 increases.
Connecting member 114...... is tapping screw, also can be common screw.In addition, at unclean side case half sheet 121 and clean side case half sheet 122, can change arbitrarily length, the kind of fastening screw trip bolt.
At unclean side case half sheet 121, offer inlet opening 126, in this inlet opening 126, the supplying tube 102 as pipe part that guiding purifies air before is installed.
At clean side case half sheet 122, offer exit orifice 127, at this exit orifice 127, be equipped with its with tb (with reference to the reference character 52 among Fig. 1) between the connecting tube 103 as pipe part that is connected.Reference character 128 is the locking pawls that lock 115 tops, toolbox.
Among the figure, reference character 185 is the joints that are connected with steam hose, and reference character 186 is gas-liquid separation chamber.
Fig. 8 is the major component sectional drawing of air-strainer of the present invention and connecting tube, in air-strainer 54, the space that is formed at unclean side case half sheet 121 1 sides of being separated by member 123 is called unclean chamber 131, the space that is formed at clean side case half sheet 122 1 sides of being separated by member 123 is called clean room 132.Unclean chamber 131 is spaces that the air before purifying flows through.In addition, the space flow through for the air after being cleaned by member of clean room 132.
Among the figure, reference character 134 is the supplying tube hooking parts that supplying tube 102 remained in inlet opening 126.At supplying tube 102, be provided with from its inboard and the inlet opening 126 of outside clamping supplying tube 102 around and supplying tube 102 is remained in medial flange 135 and the outboard flanges 136 of inlet opening 126.
Among the figure; reference character 137...... is rib shape ground at unclean side case half sheet 121 to erect setting and make 123 pairs of middle parts 124 of member apply a plurality of press parts of active force; reference character 138 is the flame gathering-devices (Off レ ィ system ト ラ ッ プ) that configure and protect member 123 not affected by reverse flame along member 123 at clean room 132; reference character 141 is rectification walls of being located at clean side case half sheet 122 and the air after purifying being carried out rectification, and reference character 142 is side cover fitting seats of being located at clean side case half sheet 122 and the side cover (with reference to the reference character 64 of Fig. 1) that covers from the side air-strainer 54 being installed.Flame gathering-device 138 forms metal net shaped.
Fig. 9 is the planimetric map of connecting tube of the present invention, and Figure 10 is the 10-10 line sectional drawing of Fig. 9.Below, describe with reference to Fig. 9~Figure 10.
Connecting tube 103 has: consist of the periphery of pipe sidewall 103a, be located at this sidewall 103a and from every side blade of a sword shape the first flange 147 and the second flange 148 of inboard and outside clamping and the exit orifice (with reference to the reference character 127 among Fig. 5) that keeps air-strainer (with reference to the reference character 54 Fig. 5), erect the locking protrusion 109,109 that is arranged at sidewall 103a.
Among the figure, reference character 184 is the intercommunicating pore sections that will be communicated with between connecting tube 103 and the resonator that is disposed at connecting tube 103 tops (with reference to the reference character 105 among Fig. 3).
At air-strainer 54, near exit orifice 127, along connecting tube 103 108a of left and right sides wall section, 108b are set integratedly, at the slit 151,151 of the left and right sides wall 108a of section, 108b formation as hooking part, the locking protrusion 109 that makes setting be arranged at connecting tube 103 sidewall 103a engages with these slits 151,151.
Figure 11 is the figure of the joint between explanation air-strainer of the present invention and the connecting tube, and connecting tube 103 at sidewall 103a and on this sidewall length limit 152,152 is up and down erect to vertical outer and to be provided with four locking protrusion 109.......The quantity of locking protrusion also can be six or eight except four, the quantity of locking protrusion can be Arbitrary Digit.
Be located at air-strainer 54 and facing the wall section 108 of connecting tube 103, the long limit 152,152 of edge formation connecting tube 103 is provided with the 108a of first and second wall section, the 108b as wall section 108 integratedly, at the 108a of first and second wall section, 108b, be provided with the hooking part 164...... that locking protrusion 109...... is locked.
Setting is arranged at the locking protrusion 109...... of connecting tube 103 sidewall 103a by consisting of such as lower member: pass slit 151 locking axle 161, from this locking axle 161 extend and remain in the blade of a sword section 162 of the maintenance face 108s of wall section 108, from this blade of a sword section extends and the operator can control when the assembling handle 163.That is, the front end 109a...... at locking protrusion 109...... is provided with handle 163.
But when needs were supplied with more air to internal-combustion engine, the interior shape of the connecting tube that sometimes will be formed by elastic members such as rubber formed the shape that the section shown in the present embodiment is ellipse.If it be oval shape that the interior shape of connecting tube 103 is formed section, then compare for the situation of circle with forming section, particularly on the large long limit of radius of curvature, because the negative suction of internal-combustion engine more easily causes distortion.
About this point, in the present invention, the shape of connecting tube 103 is in joint 106 oval in shape, and this joint 106 is installed on air-strainer 54 with connecting tube 103, and locking protrusion 109...... is located at the long limit 152,152 of the elliptical shape of connecting tube 103.
Therefore, comprise the end of connecting tube 103 on long limit 152 via locking protrusion 109......, and keep securely by the 108a of first and second wall section, 108b, therefore be difficult to cause distortion because of the negative suction of internal-combustion engine.
Get back to Fig. 8, when connecting tube 103 is assembled into air-strainer 54, the following operation of operator, namely, the first flange 147 is embedded the inboard of exit orifice 127, connecting tube 103 is installed, then, control the handle 163 of locking protrusion 109......, finish installation by locking protrusion 109...... is passed slit 151.Because the operator only passes slit 151 with locking protrusion 109 and gets final product when assembling, therefore can easily carry out assembling operation.
Figure 12 is the 12-12 line sectional drawing of Figure 11, is being formed between the first flange 147 and the second flange 148 and the bearing surface 166 that engages with the exit orifice 127 of clean side box half sheet 122, is provided with the binder 167 of sealing usefulness, thereby guarantees the tightness of joint 106.
Figure 13 is the 13-13 line sectional drawing of Fig. 3, is illustrated in unclean side box half sheet 121 and is formed with the anti-claw stop 171 of disengaging, and the anti-claw stop 171 of this disengaging prevents from unclean side box half sheet 121 is installed on the disengaging of the connecting member 114 of intermediate member 124.
Breaking away from anti-claw stop 171 is such as lower member, namely when safeguarding, unclean side box half sheet 121 is pulled down and when checking member state etc. from middle parts 124, the head 114a of connecting member 114 with not never the mode that comes off of clean side box half sheet 121 keep, break away from anti-claw stop 171 by forming, thereby be difficult to cause that connecting member 114 is lost etc., do not need the connecting member of pulling down is managed.Owing to not needing to manage connecting member 114, therefore can improve the maintainability of air-strainer 54.
Figure 14 is the figure of the effect of explanation air-strainer of the present invention and connecting tube, and the air that enters from supplying tube 102 passes through unclean chamber 131, and by member 123, flow to clean room 132 shown in arrow (1).
Then, run into the rectification wall 141 that is formed at clean room 132 by the air part after member 123 purifications, can shown in arrow (2), flow swimmingly.
At last, the air in the clean room 132 flows by connecting tube 103 and shown in arrow (3).
The effect of the air feeder structure of above-described internal-combustion engine then is described.
Get back to Figure 11, at air-strainer 54, along connecting tube 103 wall section 108 is set integratedly, in this wall section 108, be provided with the hooking part 164 of the locking protrusion 109...... locking that will be located at connecting tube 103 sidewall 103a, therefore can keep effectively connecting tube 103 is assembled into the state of air-strainer 54.
In addition, after assembling, with respect to the distortion of connecting tube 103 radial directions, the wall section 108,108 that keeps via locking protrusion 109 becomes support, can make connecting tube 103 be difficult to distortion.Because connecting tube 103 is difficult to distortion, therefore the joint 106 that is difficult between connecting tube 103 and air-strainer 54 produces the gap.
Owing to being difficult to produce the gap at joint 106, can make the joint 106 between connecting tube and this connecting tube and the air-strainer have sealability steady in a long-term.
The shape of connecting tube 103 is being installed on it pipe assembly department 173 oval in shape of air-strainer 54, and the locking protrusion 109...... that connecting tube 103 is limited to air-strainer 54 is located at the long limit 152,152 of the elliptical shape of connecting tube 103.
Because connecting tube 103 is being limited to air-strainer 54 than minor face 150 long long limits 152, connecting tube 103 brings stable sealability can for the joint 106 between connecting tube 103 and the air-strainer 54.
Therefore, according to the air feeder structure of internal-combustion engine of the present invention, can not can cause number of components and assembling to increase and lock effectively the joint 106 of connecting tube 103 and air-strainer 54 man-hour, and can the good sealability of long term maintenance.
In addition, because connecting tube 103 utilizes locking protrusion 109 on long limit 152 and supports its hooking part 164 and lock securely, therefore when air inlet, with respect to the pressure oscillation of connecting tube inboard, the sidewall 103a of connecting tube 103 is difficult to distortion, can keep enough air inflows.If the sidewall 103a of connecting tube 103 is difficult to distortion, then because need to be at the additional stiffening plate of setting example as being consisted of by the contour rigid material of sheet metal of sidewall 103a, therefore can seek the lightweight of suction tude.
In addition, although the present invention is applicable to cart in the present embodiment, also applicable to tricycle, and applicable to general vehicle.
In the first aspect invention, the shape of connecting tube also can be made as the shape outside the elliptical shape at the pipe assembly department that connecting tube is installed on air-strainer.For example, also can be set as the arbitrary shapes such as circle, rectangle.
Industrial applicibility
The present invention is applicable to the air feeder structure of the two-wheeled internal-combustion engine that has.

Claims (2)

1. the air feeder structure of an internal-combustion engine has to internal-combustion engine and supplies with the air-strainer of the air after purifying and with the connecting tube that connects between this air-strainer and the described internal-combustion engine, and the air feeder structure of this internal-combustion engine is characterised in that,
The shape of described connecting tube is at the pipe assembly department ovalize that described connecting tube is installed on described air-strainer,
Described connecting tube is remained on the exit orifice of described air-strainer,
Be provided with the locking protrusion that extends laterally from the sidewall on the oval-shaped long limit that becomes described connecting tube,
And, at the wall that faces described connecting tube of described air-strainer, along described connecting tube pairing left and right wall section is set integratedly,
Be provided with slit in described wall section, and described locking protrusion extends and the blade of a sword section that remains in the maintenance face of wall section forms by the locking axle that passes slit with from this locking axle,
Lock this wall section and described connecting tube via described locking protrusion being inserted described slit.
2. the air feeder structure of internal-combustion engine as claimed in claim 1 is characterized in that, at the front end of described locking protrusion, is provided with the handle that the operator can control when assembling.
CN 200910007516 2008-02-15 2009-02-11 Air feeder structure of internal combustion engine Expired - Fee Related CN101509446B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP035230/08 2008-02-15
JP2008035230A JP5113547B2 (en) 2008-02-15 2008-02-15 Intake pipe structure of internal combustion engine

Publications (2)

Publication Number Publication Date
CN101509446A CN101509446A (en) 2009-08-19
CN101509446B true CN101509446B (en) 2013-01-02

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JP2003343374A (en) * 2002-05-28 2003-12-03 Honda Motor Co Ltd Connection method for duct made of elastic material

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JP2009190642A (en) 2009-08-27
CN101509446A (en) 2009-08-19
JP5113547B2 (en) 2013-01-09
AR070420A1 (en) 2010-04-07

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