CN1276477A - Intake structure of air filter for motor-driven two-wheeled vehicle - Google Patents
Intake structure of air filter for motor-driven two-wheeled vehicle Download PDFInfo
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- CN1276477A CN1276477A CN 00108770 CN00108770A CN1276477A CN 1276477 A CN1276477 A CN 1276477A CN 00108770 CN00108770 CN 00108770 CN 00108770 A CN00108770 A CN 00108770A CN 1276477 A CN1276477 A CN 1276477A
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Abstract
The present invention relates to an intake structure of air filter for motor-driven two-wheeled vehicle. It can farthest avoid an air cleaner from sucking dust deposited on a power unit by a simple-shaped intake duct. The characteristic is that: An intake duct 93 is constituted of a small-diameter pipe 94 for communicating the upper end with the inside of a cleaner case 84, and a large-diameter pipe 95 having the diameter larger than that of the small- diameter pipe 94 and having its upper end communicated with the lower end of the smaller-diameter pipe 94. The distance L1 between the rear part releasing end of the large-diameter pipe 95 and the lower part opening end of the small- diameter pipe 94 is set shorter than the distance L2 between a part except for the rear part in the lower part releasing end of the large-diameter pipe 95 and the lower part opening end of the small-diameter pipe 94.
Description
The present invention relates to a kind of intake structure of two-wheeled air-strainer, but this two-wheeled top at the power unit of shaking bearing on the car body framework is installed with the filter case of air-strainer, and the lower end of the intake line that extends downwards in order from the outside air to be imported in the filter case and from filter case is at the rear side opening of above-mentioned power unit.
Past, it is known that like this two-wheeled opens flat 10-317976 communique etc. by for example spy, the intake line of the air-strainer that this is two-wheeled is made of small diameter tube and large-diameter pipe, this small diameter tube makes in the interior not purifying chamber of its upper end and air filter housing and communicates, the diameter of this large-diameter pipe is than the big of small diameter tube and its upper end is communicated with the lower end of small diameter tube, and the distance between the lower ending opening portion of large-diameter pipe and the lower ending opening portion of small diameter tube is along circumferentially setting equably.
, so two-wheeled in, usually by car body cover covering body framework, power unit and air-strainer are disposed at interior side's side of the outer side surface of above-mentioned car body cover.Therefore, when two-wheeled walking, pile up dust at the rear portion of power unit easily owing to result from being involved in of wind that negative pressure produced of car body cover rear side.On the other hand, the intake line of air-strainer is opened on the rear side of power unit, wants to avoid to greatest extent sucking the dust that is deposited on the power unit.Yet in above-mentioned existing structure, the suction direction from the outside to the air of intake line is not specific, can not avoid sucking the dust that is deposited on the power unit.For fear of the suction of such dust, consider to use with the intake line of opening end towards other direction, still, the degrees of freedom of configuration intake line is little in narrow space, intake line complex-shaped, thereby cause that cost increases.
The present invention makes in view of such situation, its objective is the intake structure that a kind of two-wheeled air-strainer like this is provided, it can avoid air-strainer to suck the dust that is deposited on the power unit by the intake line of simple shape to greatest extent.
In order to achieve the above object, the intake structure of two-wheeled air-strainer of the present invention, it is two-wheeled, the filter case of air-strainer is installed on the top that can joltily be supported on the power unit on the car body framework, the lower end of the intake line that extends downwards in order from the outside air to be imported in the filter case and from air filter housing is at the rear side opening of above-mentioned power unit, it is characterized in that, above-mentioned intake line is made of small diameter tube and large-diameter pipe, communicate in the upper end of this small diameter tube and the above-mentioned filter case, the diameter of this large-diameter pipe is bigger than small diameter tube, and its upper end communicates with the lower end of small diameter tube, must be shorter to the distance of the lower open end of above-mentioned small diameter tube than the position except above-mentioned rear portion from the lower open end of above-mentioned large-diameter pipe to the distance setting of the lower open end of above-mentioned small diameter tube from the open end, rear portion of above-mentioned large-diameter pipe.
According to such structure, the rear side of the antetheca of the large-diameter pipe in intake line generation negative pressure can utilize its negative pressure that outside air is imported in the air-strainer effectively from intake line owing to two-wheeled walking.Promptly, can be with towards the suction direction of the outside air of intake line rear side specific to intake line, therefore, the dust that can avoid being piled up on the power unit sucks air-strainer with doing one's utmost, and, intake line has only been done improvement and simple structure on the part of large-diameter pipe, can not cause cost and increase.
Fig. 1 is two-wheeled side view.
Fig. 2 be omitted the car body cover, accommodated case, the Fig. 1 under the fuel tank state 2 to view.
Fig. 3 be omitted Fig. 1 under the hood-like attitude 3 to view.
Fig. 4 is the cross-section profile of power unit.
Fig. 5 is the enlarged side view of air-strainer and 2 air usefulness air-strainer.
Fig. 6 is the 6-6 sectional view of Fig. 5.
Fig. 7 is the 7-7 amplification view of Fig. 5.
Fig. 8 is the side view in partial cross-section of expression shaking bearing portion of the motor of shaking bearing on the car body framework.
Fig. 9 is the 9-9 sectional view of Fig. 8.
Figure 10 is that 10 1 10 of Fig. 2 enlarges sectional view.
Figure 11 is the 11-11 sectional view of Figure 10.
Below the one embodiment of the invention shown in reference to the accompanying drawings illustrate example of the present invention.
Fig. 1～Figure 11 represents one embodiment of the invention.Fig. 1 is two-wheeled side view, Fig. 2 has omitted the car body cover, Fig. 1 under containing box and the fuel tank state 2 to view, Fig. 3 be omitted Fig. 1 under the hood-like attitude 3 to view, Fig. 4 is the sectional elevation of power unit, Fig. 5 is the expansion side view that air-strainer and secondary air are used air-strainer, Fig. 6 is the 6-6 sectional view of Fig. 5, Fig. 7 is that the 7-7 of Fig. 5 enlarges sectional view, Fig. 8 is the biopsy cavity marker devices sectional view of expression shaking bearing portion of the motor of shaking bearing on the car body framework, Fig. 9 is the 9-9 sectional view of Fig. 8, Figure 10 is the 10-10 amplification view of Fig. 2, and Figure 11 is the 11-11 sectional view of Figure 10.
At first, in Fig. 1, the car body frame F of motor scooter type motor-driven cart has anterior framework 11, rear portion framework 12, secondary framework 13, this front portion framework 11 is formed by cast forms such as aluminum alloys, this rear portion framework 12 is by cast forms such as aluminum alloys, it is connected in the rear end of anterior framework 11, and secondary framework 13 is processed by the metal tubulation and links with the rear end of rear portion framework 12.
Forwardly the front end of framework 11 has head pipe 14, but is supporting front vehicle fork 17 to steering on this pipe 14, and this front vehicle fork 17 is across front-wheel WF.The lower end of above-mentioned front vehicle fork 17 is configured in the place ahead of the axletree 18 of front-wheel WF, one end of connecting rod 19 is connected with the lower end of above-mentioned front vehicle fork 17, its the other end is connected with above-mentioned axletree 18, is provided with anterior bumper 20 between the intermediate portion of the above-below direction intermediate portion of front vehicle fork 17 and connecting rod 19.In addition, connecting steering handle 21 in the upper end of front vehicle fork 17.
With reference to Fig. 2, Fig. 3, anterior framework 11 has head pipe 14, decline framework 15, pairing left and right bearing plate framework 16,16 integratedly, and by cast form.This decline framework 15 extends down backward from above-mentioned head pipe 14, and above-mentioned a pair of bearing plate framework 16,16 rearward extends from the lower end of above-mentioned decline framework 15.Rear portion framework 12 is connected in the rear end of two bearing plate frameworks 16,16.
Be disposed at the motor E of front side of trailing wheel WR and the stepless speed changer M that is disposed at the left side of trailing wheel WR and constitute power unit P, this power unit P can joltily be supported on the fore-and-aft direction intermediate portion of rear portion framework 12 by vibrationproof connecting rod 22.Motor E is a water cooling type single cylinder four stroke engine, and the cylinder of this motor is essentially horizontally disposing towards ground, the place ahead, and stepless speed changer for example is the belt type variable-speed motor.
In Fig. 4, motor E has the 1st engine pack 32 and the 2nd engine pack 33.The 1st engine pack 32 has constituted other half one of cylinder block 321 and crankcase half 322, the 2 engine packs, 33 formation crankcases 29.
At the front end of the 1st engine pack 32 in conjunction with cylinder head 34, at the front end of cylinder head 34 in conjunction with housing (ヘ Star De カ バ-) 35.At the right flank of the 1st and the 2nd engine pack 32,33 in conjunction with generating hood 36.
Stepless speed changer M has right side housing 37 and the left side housing 38 that mutually combines, and the anterior right flank of right side housing 37 engages with the left surface of the 1st and the 2nd engine pack 32,33.In addition, on the right flank of the rear portion of right side housing 37 in conjunction with reducer shell 39.
The slides within of the cylinder 41 that is possessed at the 1st engine pack 32 chimeric freely piston 42, this piston 42 is connected with bent axle 31 by connecting rod 43 and crank pin 28.Camshaft 44 is freely being supported in rotation on cylinder head 34, is located at Aspirating valves on the cylinder head 34 and outlet valve (not shown) by above-mentioned camshaft 44 driven for opening and closing.Taking in timing chain 45 in the chain path 40 on being located at the 1st engine pack 32, this timing chain 45 is hung around on driving sprocket wheel 46 that is located on the bent axle 31 and the driven sprocket 47 that is located on the camshaft 44.Thus, camshaft 44 bent axle 31 that whenever turns around takes two turns.
The left end of bent axle 31 protrudes in the inside of right side housing 37 and left side housing 38, the left end of this bent axle 31 is provided with drive pulley 54, this drive pulley 54 by be fixed on the bent axle 31 fixed side half-pulley 55 and can be 55 approaching with respect to the fixed side half-pulley, the movable side half-pulley 56 left, movable side half-pulley 56 by corresponding to the increase of the rotating speed of bent axle 31 to radial direction outside the governor weight 57 of side shifting push towards direction near fixed side half-pulley 55.
The output shaft 58 that is supported on 39 of the rear portion of right side housing 37 and reducer shells is provided with driven skin driving wheel 59, this driven pulley 59 have by be rotatably supported in respect to output shaft 58 on the output shaft 58 fixed side half-pulley 60 and can be 60 approaching with respect to the fixed side belt pulley, the movable side half-pulley 61 left.Movable side half-pulley 61 is pushed towards fixed side half-pulley 60 with spring 62.In addition, between fixed side half-pulley 60 and output shaft 58, be provided with and employed clutch 63.Between drive pulley 54 and driven pulley 59, hang V-shape belt 64 around ring-type.
Between right side housing 37 and reducer shell 39, supporting jack shaft 65 and the axletree 66 parallel with above-mentioned output shaft 58.Be provided with train of reduction gears 67 at output shaft 58, jack shaft 65 and 66 of axletrees.The right-hand member that connects the axletree of giving prominence to the right on speed reducer 39 ground 66 is provided with trailing wheel WR.
In such stepless speed changer M, the rotating power of bent axle 31 passes to drive pulley 54, and from this drive pulley 54 by V-shape belt 64, driven pulley 59, employ clutch 63 and train of reduction gears 67 passes to trailing wheel WR.
When motor E low speed rotation, because the centrifugal force that acts on the governor weight 57 of drive pulley 54 is little, because the groove width of 61 of the spring 62 fixed side half-pulley 60 of driven pulley 59 and movable side half-pulley reduces the gear ratio step-down.When this state increases the rotating speed of bent axle 31, the centrifugal force that acts on the governor weight 57 increases, the groove width that the fixed side half-pulley 55 of drive pulley 54 and movable side half-pulley are 56 reduces, thus, the groove width that the fixed side half-pulley 60 of driven pulley 59 and movable side half-pulley are 61 increases, therefore, gear ratio infinitely changes from low to high.
The alternator 68 that is located at the right side of bent axle 31 is covered with by generating hood 36, is provided with radiator 69 on the right side of this generating hood 36.For cold wind being supplied in this radiator 69, the cooling fan 70 that is fixed in the right-hand member of bent axle 31 is configured between alternator 68 and the radiator 69.Cooling fan 70 and the radiator 69 that is disposed at these cooling fan 70 foreign sides are covered by the plastic cover 74 that is linked on the generating hood 36, are provided with the venetian blind 75 that is used for from outside suction cooling air at the outer side surface of this cover 74.
In addition, on the right flank of cylinder head 34, accommodated the thermostat housing 72 of thermostat 71 in conjunction with portion within it.The cooling waterpump 73 that is located at the right-hand member of camshaft 44 is housed in the space that is surrounded by cylinder head 34 and thermostat housing 72.
In Fig. 1 and Fig. 2, between the rear portion of power unit P and rear portion framework 12, be provided with back buffer parts 76.Guiding extends out to the right side of trailing wheel WR from motor E from the outlet pipe 77 of the exhaust of motor E.This outlet pipe 77 is connected with the muffler 78 of the right side side that is disposed at trailing wheel WR, and rotatably support support 79 on motor E.
On the intermediate portion of rear portion framework 12 surface bearing can accommodate safety helmet etc. accommodate case 80, this accommodates the top that case 80 is disposed at above-mentioned motor E.Fuel tank 81 at secondary framework 13 upper supports.
In Fig. 5 and Fig. 6, the air-strainer 82 of the air that is used to purify the suction system that is supplied in motor E is installed at the rear portion of power unit P, this air-strainer 82 is disposed at the side, top of trailing wheel WR simultaneously.Setting up 2 air air-strainer 83 of the air that is used to purify the vent systems that is supplied in motor E in the front portion of this air-strainer 82.
Air-strainer 82 and No. 2 air-strainer 83 have public filter box 84, and this filter box 84 combines plastic the 1st, the 2nd mould component 85,86 and forms.The 1st mould component 85 possess the bowl-shape big shell 85a of portion integratedly and than the big shell 85a of portion the little and bowl-shape little shell 85b of portion that open to same direction with the big shell 85a of portion, the 2nd mould component 86 has bowl-shape big shell 86a of portion and the little shell portion 86b that bottom tube-like arranged chimeric with the little shell 85b of portion of the 1st mould component 85 integratedly.The big shell 85a of portion, the 86a of the 1st and the 2nd mould component 85,86 are by a plurality of bolt components 87 ... mutually combine.
Air-strainer 82 is to constitute between the big shell 86a of portion of the big shell 85a of portion that seizes on both sides by the arms at the 1st mould component 85 by the peripheral portion of the retaining member 89 that will keep filter element 88 and the 2nd mould component 86.Between the big shell 85a of portion of filter element 88, retaining member 89 and the 1st mould component 85, forming the 1st purifying chamber 91 not.Between the big shell 86a of portion of filter element 88, retaining member 89 and the 2nd mould component 86, forming the 1st purifying chamber 92.
In Fig. 7, be provided with in the rear side bottom of air-strainer 82 and be used for air is imported the 1st intake line 93 of purifying chamber 91 not from the outside.This intake line 93 is made of small diameter tube 94 and large-diameter pipe 95, this small diameter tube 94 updip backward tiltedly is disposed in the 1st purifying chamber 91 and prop up on the big shell 85a of portion that is held in the 1st mould component 85 its underpart, this large-diameter pipe 95 is formed on the above-mentioned big shell 85a of portion, and its diameter is bigger than the diameter of small diameter tube 94.The lower ending opening of small diameter tube 94 is in the upper end of large-diameter pipe 95, the lower end of large-diameter pipe 95 at the rear of power unit P towards lower opening.
And big portion is provided with breach 96 at the rear of large-diameter pipe 95, from the upper end of breach 96, be the distance L of the open end, rear portion of large-diameter pipe 95 to the lower open end of above-mentioned small diameter tube 94
1(with reference to Fig. 5) is than the distance L that arrives the lower open end of above-mentioned small diameter tube 94 in the open end, bottom of large-diameter pipe 95 except the position at above-mentioned rear portion
2(with reference to Fig. 5) is short.
On the big shell 86a of portion of the 2nd mould component 86, connecting an end of the 1st sucking pipe 98 of synthetic resin agent in the earthing mutually with the 1st purifying chamber 92.Intermediate portion at the 1st sucking pipe 98 is connecting resonator 99, in addition, the other end of the 1st sucking pipe 98 is connected with the vaporizer 100 that is configured in motor E and accommodate between the case 80 at the front side of air-strainer 82, and the other end that an end is connected in the 2nd sucking pipe 101 on the vaporizer 100 is connected with the intakeport of cylinder head 34.That is, from intake line 93 import air-strainer 82 the 1st the air of purifying chamber 91 is not through filter element 88 and arrive the 1st purifying chamber 92 sides and after being cleaned, import vaporizer 100, the mixed gas that is produced by this vaporizer 100 is inhaled into above-mentioned intakeport.
In addition, the big shell 86a of portion of the 2nd mould component 86 is provided with the negative pressure take-off pipe 102 that communicates with the 1st purifying chamber 92, and this negative pressure take-off pipe 102 is connected with vaporizer 100 by negative pressure catheter 103.
2 times air has with air-strainer 83: the little shell 85b of portion of the 1st mould component 85; The little shell 86b of portion of the 2nd mould component 86; Seize on both sides by the arms in a plurality of teats 107 that are based in respectively on the little shell 85b of portion, the 86b ..., 108 ... between and be disposed at filter element 109 between the little shell 85b of portion, 86b.Between the little shell 85b of portion of filter element 109 and the 1st mould component 85, forming than the above-mentioned the 1st the 2nd little purifying chamber 110 not of purifying chamber's 109 capacity not, between the little shell 86b of portion of filter element 109 and the 2nd mould component 86, forming than the 2nd little purifying chamber 111 of above-mentioned the 1st purifying chamber 92 capacity.In addition, the little shell 85b of portion, 86b are mutually combined by bolt 112.
On the little shell 86b of portion of the 2nd mould component 86, be provided with the connecting tube 113 that is communicated with the 2nd purifying chamber 111 integratedly.The other end that one end is connected in the 1st air conduit 114 on this connecting tube 113 is connected with air quantity control valve 115.As shown in Figure 3, this air quantity control valve 115 is being installed on the housing 35 with ignition spark plug 116 opposition sides that are installed on the cylinder head 34.On the one-way valve 117 that is located at needle spring plate valve on the housing 35 etc., connecting air quantity control valve 115 by the 2nd air conduit 118.2 air that purified with air-strainer 83 by 2 air are by air quantity control valve 115 control air quantities and be supplied in the relief opening (not shown) of cylinder head 34 by above-mentioned one-way valve 117.
Air quantity control valve 115 moves according to the intake negative-pressure of motor E.The negative pressure catheter 119 that negative pressure is guided to air quantity control valve 115 is connected with the intermediate portion of the 2nd sucking pipe 101.
From the outside air imported 2 air with air-strainer 83 the 2nd not air leading-in conduit 120 its inners of purifying chamber's 110 usefulness be opened on the 2nd and do not run through filter element 109 purifying chamber.And be located at integratedly on the little shell 86b of portion of the 2nd mould component 86.The suction pipe 121 that one end is connected on this air leading-in conduit 120 reaches front side via motor E to the shaking near the of fulcrum 131 of car body frame F installation.
Motor E is supported on the rear portion framework 12 by vibrationproof connecting rod 22.On one side the structure of this vibrationproof connecting rod 22 is described with reference to Fig. 8 and Fig. 9 on one side.
Vibrationproof connecting rod 22 has the motor lateral bracket 123 of pairing left and right
1, 123
2, pairing left and right connecting rod 124
1, 124
2, crossbeam 125, a pair of backstop rubber parts 126,127.Above-mentioned motor lateral bracket 123
1, 123
2Be located on the motor E.Above-mentioned pair of links 124
1, 124
2An end can joltily be connected motor lateral bracket 123 respectively
1, 123
2On, its other end can joltily be connected on the rear portion framework 12.Crossbeam 125 connects two connecting rods 124
1, 124
2Between.A pair of backstop rubber parts 126,127 and rear portion framework 12 connect and are located at a side above-mentioned connecting rod 124
1On.
Motor lateral bracket 123
1, 123
2Be located on the motor E, at these engine brackers 123 with protruding in the top
1, 123
2On be provided with mounting hole 128,128 coaxially.In each mounting hole 128,128, be pressed into rubber bushing 129,129, between two rubber bushings 129,129, clamping tubular distance piece 130 cylindraceous.Insert the two ends and the motor lateral bracket 123 that lead to the band screw that shakes fulcrum 131 in two rubber bushings 129,129 and tubular distance piece 130
1, 123
2Connect.
Be provided with bearing hole 132,132 coaxially in the both sides of rear portion framework 12.In each bearing hole 132,132, be pressed into rubber bushing 133,133.Be located at two connecting rods 124
1, 124
2The other end and shake the parallel bolt 134,134 of fulcrum 131 can joltily be supported on rear portion framework 12 by above-mentioned rubber bushing 133,133 both sides with above-mentioned.
Connecting rod 124 a side
1In, the front side of straight line that shakes the center of fulcrum 131 and bolt 134 in connection is provided with box-like rubber parts support 135.Butt is installed in backstop rubber parts 126 bearing surfaces 136 on this rubber parts support 135 and is formed on rear portion framework 12 following.At above-mentioned connecting rod 124
1In, the rear side of straight line that shakes the center of fulcrum 131 and bolt 134 in connection is provided with box-like rubber bearing portion 137, and the bearing surface 138 that butt is installed in the backstop rubber 127 in this rubber bearing portion 137 was formed on rear portion framework 12 following.
Connect two connecting rods 124
1, 124
2Crossbeam 125 form the basic U word shape that the below is opened wide, and across being configured in two connecting rods 124
1, 124
2The above-mentioned vaporizer 100 of rear side be configured with the 2nd sucking pipe 101 ground that are connected 100 of motor E and vaporizers.
In such vibrationproof connecting rod 22, act on the load that shakes on the fulcrum 131 from the motor E of power unit P, resiliently deformable by rubber bushing 129,129 absorbs, and the resiliently deformable that is caused by bearing surface 136,138 by backstop rubber parts 126,127 absorbs, and also the resiliently deformable by rubber bushing 133,133 absorbs.
Above-mentioned suction pipe 121 via above-mentioned vibrationproof connecting rod 22 shake fulcrum 131 nearby reach front side.
The car body frame F is covered with plastic car body cover 141, and this car body cover 141 has: the legging cover 141a in the place ahead of covering driver's pin; 141b is covered in going up of linking to each other with the bottom of legging cover 141a; Be covered with cover 141b the below and with legging cover 141a and go up that cover 141b links to each other, from the side cover 141d at covering body rear portion, both sides.The above-mentioned cover 141b that goes up constitutes base plate foot treadle 140 with following cover 141c from covering two bearing plate structural portion, 16,16 ground up and down, is used for mounting driver's pin.
The fuel tank 81 most of and that be supported on the subframe 13 of accommodating case 80 that is supported on the rear portion framework 12 is covered with by above-mentioned side cover 141d, vehicle seat 142 can cover from the top and accommodate case 80, this vehicle seat 142 is positioned at the top of motor E and can be installed in the top of side cover 141d with opening and closing, and the lid 81a of the fuel injection usefulness that fuel tank 81 is had is being configured from the top of side cover 141d with protruding in the top.
Particularly as shown in Figure 3, forwardly two bearing plate structural portion of framework 11 are 16,16, the object accommodation section 143 that fixed configurations the box-shaped of opened upper end below last cover 141b.Battery 145 is being accommodated regularly with rubber tape 144 in front portion in this object is inserted portion 143.In addition, be disposed at the left side of battery 145 relay 146,147,148, be disposed at the rear side of battery 145 safety fuse cutout 149,150, be configured in the regulator 151 of the rear side of this safety fuse cutout 149,150, the radiator water storage tank 147 that is configured in the right side of regulator 151 at the rear of battery 145 is accommodated in the article receiving portion 143.
One end is connected on above-mentioned No. 2 air-strainer 83 and reaches the below of the cover 141b of pedal bottom plate 140 from the other end of the extended suction pipe 121 of front side, is opened in the above-mentioned article receiving portion 143.
But, as shown in Figure 2, in this is two-wheeled, radiator 69 is disposed at the right side of motor E, when swinging to the right side in order to keep in repair this automatic two-wheeled cycle etc. and with it, in order to protect radiator 69, this radiator 69 and the cover 74 that is covered with radiator 69 are configured in interior side's side of the outside, right side of above-mentioned pedal bottom plate 140.
Constitute together at the same cover 141b on rear portion, the right side inner face of following cover 141c of pedal bottom plate 140 and be provided with a plurality of for example 3 strengthening rib 154,154,154 integratedly, these ribs 154,154,154 can with the right flank butt of rear portion framework 12 in the car frame F.Each strengthening rib 154 ... can be not under two-wheeled common state and the right flank butt of rear portion framework 12 yet, but two-wheeled when having swung to the right side, when having contacted, make aforementioned cover 74 be in setting each strengthening rib 154 in state ground not in contact with the ground in the deflection that contacts the pedal bottom plate 140 that causes owing to outside, the right side of pedal bottom plate 140 with ground and with the right flank of rear portion framework 12 ... the overhang to rear portion framework 12 sides.
The below effect of explanation present embodiment, be installed in power unit P owing to be used for purification is supplied in 2 air of 2 air of the vent systems (being the relief opening of cylinder head 34 in this embodiment) of motor E with air-strainer 83, so, 2 air can be before assembling on car body member F, carried out with the connection operation of air-strainer 83 on the vent systems of motor E, operation can be easily connected.
In addition, though owing to be installed on the power unit P, secondary air haves no alternative but be set at minimum limit with the capacity of air-strainer 83, but extend with air-strainer 83 from 2 air owing to air is imported No. 2 suction pipes 121 the air-strainer 83 from the outside, so, can realize sucking the reduction of sound by by the substantial volume of 2 air of these suction pipe 121 increases with air-strainer 83.
In addition, suction pipe 121 via motor E to install on the car body frame F shake fulcrum 131 near extend to the below of going up cover 141b of pedal bottom plate 140, can avoid thus because shaking of power unit P acts on this suction pipe 121 external force of suction pipe 121 bendings etc. with doing one's utmost, suction pipe 121 suitably can be configured in the position of the baneful influence that is difficult to be subjected to the water that spills by trailing wheel WR and mud etc.
Disposing article receiving portion 143 below last cover 141b, these article receiving portion 143 tops are being opened wide, and are used to accommodate the electric component of battery 145, relay 146,147,148, safety fuse cutout 149,150 and regulator 151 etc. and radiator water storage tank 147 etc.Therefore suction pipe 121, can further reduce the suction sound at 2 air usefulness air-strainer 83 places effectively to these article receiving portion 143 inner openings, and, can prevent the baneful influence to 2 air usefulness air-strainer 83 such as sealing, mud more effectively.
In this is two-wheeled, dispose radiator 69 on the right side of motor E and covering the cover 74 of this radiator 69, the side inner face of cover 141c in the pedal bottom plate 140 of side of configuration radiator 69, promptly on the right side inner face of cover 141c prominent establishing can with the strengthening rib 154 of rear portion framework 12 butts of car body frame F ..., radiator 69 and cover the 74 interior side's sides that are disposed at the right side outside of pedal bottom plate 140.
Therefore, for maintenance with two-wheeled when swinging to the right side, outside, the right side of pedal bottom plate 140 is prior to radiator 69 and cover 74 ground and contact with ground, because strengthening rib 154 ... can guarantee the rigidity on the right side of pedal bottom plate 140 to the butt of rear portion framework 12, thus, can avoid radiator 69 and cover 74 kiss the earths.
Its result does not need the part of car body frame F is used as radiator 69 and covers 74 protection department, can avoid the weight of car body frame F to increase, and realizes the reduction of cost.Because the width of car body frame F is not wide, prop up the reduction of ground property so can prevent driver's pin, because a part of only transforming car body cover 141 is with regard to applicable other machine, so can improve versatility.
In addition, air is imported the air-strainer 82 interior intake lines 93 that filter case 84 is installed on the power unit P to be made of small diameter tube 94 and large-diameter pipe 95 from the outside, the upper end of this small diameter tube 94 with the 1st not purifying chamber 91 communicate, big and its upper end communicates with the lower end of small diameter tube 94 this large-diameter pipe 95 than the diameter of small diameter tube 94.From the open end, rear portion of above-mentioned large-diameter pipe 95 to the distance L of the lower open end of above-mentioned small diameter tube 94
1Than from the big portion open end of above-mentioned large-diameter pipe 95 position except above-mentioned rear portion to the distance L of the lower open end of above-mentioned small diameter tube 94
2Short.
According to the structure of such intake line 93,, can utilize its negative pressure that air outside is imported the 1st purifying chamber 91 not effectively from intake line 93 because the rear side of the antetheca of the two-wheeled large-diameter pipe 95 of walking in intake line 93 produces negative pressure.Promptly can with specific towards the suction direction of the outside air of intake line 93 be the rear side of intake line 93.Therefore, when two-wheeled walking,,, dust also can do one's utmost to avoid air-strainer 82 to suck its dust even being piled up in the rear portion of power unit P by being involved in of the wind that negative pressure produced of the rear side that results from car body cover 141.And intake line 93 only is to have carried out establishing the improvement of breach 96 grades on the part of large-diameter pipe 95 and form simple shape, can not cause the increase of cost.
More than, embodiments of the invention have been described in detail in detail, but have the invention is not restricted to the foregoing description, can carry out all changes not breaking away under the situation of the present invention that is recorded in scope of patent protection.
According to above invention, to suck the rear side of direction to importing the outside air that intake line that air-strainer uses sucks from air outside specific to intake line, can avoid air-strainer to suck the dust that is deposited in the power unit place to greatest extent, and only constituted intake line on the part of large-diameter pipe, to apply improved simple shape, can avoid the increase of cost.
Claims (1)
1. the intake structure of two-wheeled air-strainer, it is two-wheeled, the filter case (84) of air-strainer (82) is installed on the top that can joltily be supported on the power unit (P) on the car body framework (F), the lower end of the intake line (93) that extends downwards in order from the outside air to be imported in the filter case (84) and from air filter housing (84) is at the rear side opening of above-mentioned power unit (P), it is characterized in that, above-mentioned intake line (93) is made of small diameter tube (94) and large-diameter pipe (95), communicate in the upper end of this small diameter tube (94) and the above-mentioned filter case (84), the diameter of this large-diameter pipe (95) is bigger than small diameter tube, and its upper end communicates with the lower end of small diameter tube, from the open end, rear portion of above-mentioned large-diameter pipe (95) to the distance (L of the lower open end of above-mentioned small diameter tube (94)
1) set than from the lower open end of above-mentioned large-diameter pipe (95) position except above-mentioned rear portion to the distance (L of the lower open end of above-mentioned small diameter tube (94)
2) short.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP160146/1999 | 1999-06-07 | ||
| JP16014699A JP4280361B2 (en) | 1999-06-07 | 1999-06-07 | Air cleaner intake structure for motorcycles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1276477A true CN1276477A (en) | 2000-12-13 |
| CN1123689C CN1123689C (en) | 2003-10-08 |
Family
ID=15708874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00108770 Expired - Fee Related CN1123689C (en) | 1999-06-07 | 2000-06-02 | Intake structure of air filter for motor-driven two-wheeled vehicle |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP4280361B2 (en) |
| CN (1) | CN1123689C (en) |
| ES (1) | ES2178547B1 (en) |
| IT (1) | IT1320384B1 (en) |
| TW (1) | TW486540B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100412349C (en) * | 2004-03-03 | 2008-08-20 | 雅马哈发动机株式会社 | Air filter structure |
| CN102787954A (en) * | 2011-05-16 | 2012-11-21 | 铃木株式会社 | Tubing structure for turbocharger for vehicle |
| CN105309093A (en) * | 2014-05-26 | 2016-02-10 | 株式会社久保田 | Work machine |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4520404B2 (en) * | 2005-09-28 | 2010-08-04 | 本田技研工業株式会社 | Secondary air supply device for motorcycles |
| JP5830260B2 (en) | 2011-03-24 | 2015-12-09 | 本田技研工業株式会社 | Air cleaner structure |
| DE102014207167A1 (en) | 2014-04-15 | 2015-10-15 | Bayerische Motoren Werke Aktiengesellschaft | Intake device with formally integrated Luftführungsansaugkanal |
| JP5934287B2 (en) * | 2014-06-05 | 2016-06-15 | 本田技研工業株式会社 | Air cleaner device for saddle riding type vehicle |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1385587A (en) * | 1972-05-04 | 1975-02-26 | Gen Motors Ltd | Internal combustion engine air intakes |
| JP3932439B2 (en) * | 1997-04-24 | 2007-06-20 | 本田技研工業株式会社 | Secondary air supply device for exhaust system of small motorcycle |
| JPH10317976A (en) * | 1997-05-16 | 1998-12-02 | Honda Motor Co Ltd | Intake device for internal combustion engine |
-
1999
- 1999-06-07 JP JP16014699A patent/JP4280361B2/en not_active Expired - Lifetime
-
2000
- 2000-05-25 ES ES200001325A patent/ES2178547B1/en not_active Expired - Fee Related
- 2000-05-29 TW TW89110354A patent/TW486540B/en active
- 2000-05-30 IT IT2000TO000497A patent/IT1320384B1/en active
- 2000-06-02 CN CN 00108770 patent/CN1123689C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100412349C (en) * | 2004-03-03 | 2008-08-20 | 雅马哈发动机株式会社 | Air filter structure |
| CN102787954A (en) * | 2011-05-16 | 2012-11-21 | 铃木株式会社 | Tubing structure for turbocharger for vehicle |
| CN102787954B (en) * | 2011-05-16 | 2014-10-08 | 铃木株式会社 | Tubing structure for turbocharger for vehicle |
| CN105309093A (en) * | 2014-05-26 | 2016-02-10 | 株式会社久保田 | Work machine |
| CN105309093B (en) * | 2014-05-26 | 2020-01-14 | 株式会社久保田 | Working machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4280361B2 (en) | 2009-06-17 |
| ES2178547B1 (en) | 2004-08-16 |
| ES2178547A1 (en) | 2002-12-16 |
| ITTO20000497A0 (en) | 2000-05-30 |
| TW486540B (en) | 2002-05-11 |
| IT1320384B1 (en) | 2003-11-26 |
| CN1123689C (en) | 2003-10-08 |
| JP2000345931A (en) | 2000-12-12 |
| ITTO20000497A1 (en) | 2001-11-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20031008 Termination date: 20120602 |