CN101585386B - Inhaling structure for straddle type vehicle - Google Patents
Inhaling structure for straddle type vehicle Download PDFInfo
- Publication number
- CN101585386B CN101585386B CN2009100068094A CN200910006809A CN101585386B CN 101585386 B CN101585386 B CN 101585386B CN 2009100068094 A CN2009100068094 A CN 2009100068094A CN 200910006809 A CN200910006809 A CN 200910006809A CN 101585386 B CN101585386 B CN 101585386B
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- Prior art keywords
- fuel injection
- injection valve
- axle sleeve
- fixed part
- fuel
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Abstract
The invention provides a straddle type inhaling structure for vehicle, which can fully protect a fuel injection valve even if no vehicle body cover is used for covering the fuel injection valve. In the invention, the straddle type inhaling structure for vehicle has a suction duct (50) connected with an air entry (36a) of a cylinder cap (33), the fuel injection valve (60) connected with the suctionduct ( 50) for spraying the fuel toward the air entry ( 36a) and a coupling (70) mounted at the suction duct (50) by a fixing part ( 73) for supplying at least one of fuel and electric power for the fuel injection valve (60), a sleeve (56) of the fixing part (73) for mounting the coupling (7) is formed on the suction duct (50), the fixing part (73) of the coupling (70) and the sleeve (56) are arranged at the side of the fuel injection valve (60).
Description
Technical field
The present invention relates to a kind of air suction structure of Straddle-type vehicle, particularly relate to a kind of air suction structure without the Straddle-type vehicle around the covering engines such as vehicle body cover.
Background technology
As the air suction structure of traditional Straddle-type vehicle, the air suction structure of known Straddle-type vehicle is, at the cylinder cap of the driving engine that is equipped on body shell; The aspirate tube that connection links to each other with the air suctiton inlet of cylinder cap is installed the fuel injection valve to the air suctiton inlet burner oil at aspirate tube, is connecting the fuel joint of fuel to the connection pipe portion of the fuel hose of fuel injection valve guiding through having; Between fuel hose and fuel injection valve; The fuel joint thickly cooperates with the head liquid of fuel injection valve, simultaneously, with fuel injection valve be clamped in and aspirate tube between; Be linked in aspirate tube; With linking between aspirate tube and the fuel hose, will be linked in aspirate tube (for example, with reference to patent documentation 1) with respect to the fixing fuel hose strut member of relative position of the fuel hose of fuel joint.
No. 3923420 communique of [patent documentation 1] Japanese Patent
Summary of the invention
The technical matters that invention will solve
In the air suction structure of the Straddle-type vehicle of in above-mentioned patent documentation 1, putting down in writing; Because fuel injection valve is configured in the position with coverings such as vehicle body covers; Though therefore the protection to fuel injection valve is sufficient; Yet under the situation of the vehicle that covers fuel injection valve without vehicle body cover etc., fuel injection valve is exposed to the outside.
The present invention is the invention in view of above-mentioned technical matters, even its objective is the vehicle that covers fuel injection valve without vehicle body cover etc. is provided, also can guarantee the air suction structure to the Straddle-type vehicle of the protection of fuel injection valve fully.
The means of technical solution problem
In order to achieve the above object, the described invention of claim 1 is a kind of air suction structure of Straddle-type vehicle, wherein; Possess the body shell of being equipped on, have cylinder cap driving engine and with the air suctiton inlet bonded assembly aspirate tube of cylinder cap; Be installed on aspirate tube; Supply with and be installed in the joint of aspirate tube to fuel injection valve to the fuel injection valve of air suctiton inlet burner oil with at least a of fuel and electric power, it is characterized in that by fixed part; On aspirate tube, formed the axle sleeve of the fixed part of erection joint, at the fixed part and the axle sleeve of the side of fuel injection valve configuration joint.
The described invention of claim 2 is characterized in that on the architecture basics of the described invention of claim 1 axle sleeve is formed at two sides of fuel injection valve; The fixed part branch of joint becomes two strands; Simultaneously, prolong to two sides of fuel injection valve, and be installed on axle sleeve.
The described invention of claim 3 is characterized in that on the architecture basics of the described invention of claim 2 joint also possesses the place ahead that is disposed at fuel injection valve, with being branched off into the tabular forward protect portion that links between two strands the fixed part.
On the basis of the described invention of claim 4 structure of each described invention in claim 1 to 3; It is characterized in that; Aspirate tube is provided with air suction way in the extension of vehicle fore-and-aft direction, simultaneously, has curve; Fuel injection valve and axle sleeve are configured in curve arranged side by side along the overall width direction, form the negative thread that connects through bolt and fixed part at axle sleeve.
The described invention of claim 5; On the basis of the structure of each described invention, it is characterized in that in claim 1 to 4 engine configurations is in the below of body shell; Fuel injection valve points to the top that above-below direction is supported in aspirate tube; Joint covers the top of fuel injection valve, and to the fuel feeding road of fuel injection valve, axle sleeve and fuel injection valve almost parallel ground prolong to above-below direction along the body shell configuration; Fixed part is installed on the upper end of axle sleeve, prolongs to above-below direction with axle sleeve almost parallel ground.
The effect of invention
The air suction structure of Straddle-type vehicle according to claim 1; Owing on aspirate tube, formed the axle sleeve of the fixed part of erection joint; At the fixed part and the axle sleeve of the side of fuel injection valve configuration joint, therefore the fixed part of the enough joints of ability and axle sleeve are protected the side of fuel air suction valve.In view of the above, even cover the vehicle of fuel injection valve, also can guarantee protection fully to fuel injection valve without vehicle body cover etc.
The air suction structure of Straddle-type vehicle according to claim 2; Because axle sleeve is formed at two sides of fuel injection valve, the fixed part branch of joint becomes two strands, simultaneously; Two sides to fuel injection valve prolong; And be installed on axle sleeve, therefore two sides of the fixed part of the enough joints of ability and axle sleeve protection fuel air suction valve can be carried out joint fixing axle sleeve in addition well.
The air suction structure of Straddle-type vehicle according to claim 3; Because joint possesses the place ahead that is disposed at fuel injection valve; With being branched off into the tabular forward protect portion that links between two strands the fixed part; Therefore can improve the intensity of the fixed part of joint, in addition because the enough forward protects of ability portion covers the place ahead of fuel injection valve, so can further guarantee protection to fuel injection valve.
The air suction structure of Straddle-type vehicle according to claim 4; Because aspirate tube extends at the vehicle fore-and-aft direction air suction way is set, simultaneously, has curve; Fuel injection valve and axle sleeve are configured in curve arranged side by side along the overall width direction; Form the negative thread that connects through bolt and fixed part at axle sleeve, therefore can easily guarantee the length of axle sleeve (negative thread), can further carry out joint fixing well axle sleeve.
The air suction structure of Straddle-type vehicle according to claim 5; Because engine configurations is in the below of body shell, fuel injection valve points to the top that above-below direction is supported in aspirate tube, and joint covers the top of fuel injection valve; Along the fuel feeding road of body shell configuration to fuel injection valve; Axle sleeve and fuel injection valve almost parallel ground prolong to above-below direction, and fixed part is installed on the upper end of axle sleeve, prolong to above-below direction with axle sleeve almost parallel ground; Therefore can protect the fuel feeding road by enough vehicle body frames, can make the joint miniaturization in addition.
Description of drawings
[Fig. 1] is the left side view of two-wheeled motor vehicle that is used to explain an embodiment of the air suction structure that has carried relevant Straddle-type vehicle of the present invention.
[Fig. 2] is used to explain throttle body shown in Figure 1 amplification right side view on every side.
[Fig. 3] is used to explain throttle body shown in Figure 1 amplification stereogram on every side.
[Fig. 4] is expression aspirate tube, Fuel Injection Device, reaches the figure of the assembled state of joint, (a) be birds-eye view, (b) be that the A-A alignment of (a) is looked cutaway view.
[Fig. 5] is the figure of the Dan Pin of expression aspirate tube, (a) is birds-eye view, (b) is the right side view that a part is cut away.
[Fig. 6] is the amplification stereogram of variation that is used to explain the air suction structure of relevant Straddle-type vehicle of the present invention.
The explanation of symbol
10 two-wheeled motor vehicles (Straddle-type vehicle)
12 main frames (body shell)
30 driving engines
33 cylinder caps
The 36a air suctiton inlet
40 throttle bodies
50 aspirate tubes
52 curves
54 air suction ways
56 axle sleeves
60 fuel injection valves
70 joints
72 connection pipe portions
72a fuel feeding road
73 fixed parts
74 shields (forward protect portion)
82 bolts
The specific embodiment
Below to an embodiment of the air suction structure of relevant Straddle-type vehicle of the present invention, at length explain with reference to accompanying drawing.In addition; Accompanying drawing is according to the being seen figure of the direction of symbol; In following explanation, all around, be the direction of seeing according to chaufeur up and down, in drawing with the place ahead of vehicle with Fr, rear with Rr, left side with L, right side with R, above with U, below represent with D.
As shown in Figure 1; Two-wheeled motor vehicle 10 as the Straddle-type vehicle of this embodiment possesses, and from the beginning manages 11 rearward and the main frame (body shell) 12 that extends of below and the front-fork 13 that supports of head of a quilt pipe 11 pivotally; The front-wheel WF that is supported by the bottom of front-fork 13 pivotally; With the handlebar 14 of the manipulation usefulness of installing and the driving engine of below main frame 12, installing 30 be fixed on the pivot plate 16 of pair of right and left of the bottom, rear of main frame 12 in the upper end of front-fork 13; The rocking arm 17 that is supported by pivot plate 16 swingably; Supported by the rearward end of rocking arm 17 pivotally, have via not shown chain and sprocket wheel transmission driving engine 30 power trailing wheel WR and link the seat frame 18 that rearward extends with the curve of main frame 12; Link rearward and top extension, sub-frame 19 behind end and seat frame 18 bonded assemblys thereafter with rear lower portion with main frame 12.Symbol among Fig. 1 21 is head lamps in addition, the 22nd, and Fuel Tank, the 23rd, seat, the 24th, container, the 25th, front fender apron, the 26th, rear mudguard, the 27th, smallclothes storage tank.
Form the upstream extremity of air suctiton inlet 36a at the upper portion side wall opening of cylinder cap 33, at this air suctiton inlet 36a, connect throttle bodies 40, and then connect airfilter 37 air-breathing purification at the upstream extremity of throttle body 40 through aspirate tube 50.Lower sides at cylinder cap 33 forms exhausr port 36b in addition, connects noise silencer 39 at this exhausr port 36b through freeing pipe 38.
And; Like Fig. 2～shown in Figure 4; Aspirate tube 50 is crooked to the front lower place from the back upper place, and points on the top of aspirate tube 50 fuel injection valve 60 to air suctiton inlet 36a burner oil is installed up and down, this fuel injection valve 60 be clamped in aspirate tube 50 and and the joint 70 that connects of this aspirate tube 50 between.In addition; Symbol 45 among Fig. 2 and Fig. 3 is arranged on the throttle gate drum of the right flank of throttle body 40; Symbol 46 is and the backguy of throttle gate drum bonded assembly throttle gate; Symbol 47 is and the not shown light-up plug bonded assembly spark-plug lead that is fixed on cylinder cap 33 that symbol 33a is the insulator that between aspirate tube 50 and cylinder cap 33, clamps.Single-point long and short dash line X among Fig. 2 is the jet axis of fuel injection valve 60 in addition, the line of centers of the air suction way 54 of the aspirate tube 50 that single-point long and short dash line Y states after being.
Be formed for making the bolt 81 that aspirate tube 50 is fixed on cylinder cap 33 to insert logical bolt insertion holes 57 in addition respectively at the overall width direction both ends of the base portion 51 of aspirate tube 50.In addition at the negative thread 58 of axle sleeve 56 formation with bolt 82 screw-threaded engagement.
Joint 70 possesses like Fig. 2～shown in Figure 4, the base portion 71 that cooperates with the fuel supplying part 63 of fuel injection valve 60 and rearward prolong from base portion 71; Connection is from the connection pipe portion 72 of the fuel hose 29 of petrolift 28 extensions; Be branched off into two strands with overall width direction both sides, become and overlook the T word shape, simultaneously from base portion 71; The fixed part 73 that pair of right and left is prolonged in overall width direction both sides to fuel injection valve 60, and the fixed part 73 through pair of right and left is installed on the axle sleeve 56 of pair of right and left of aspirate tube 50.In this embodiment, joint 70 is configured to cover the top of fuel injection valve 60 in addition.
In addition in this embodiment; The axle sleeve 56 of the pair of right and left of aspirate tube 50; Prolong to above-below direction with fuel injection valve 60 almost parallel ground; The fixed part 73 of the pair of right and left of joint 70 connects through the axle sleeve 56 of bolt 82 with pair of right and left, prolongs to above-below direction with the axle sleeve 56 almost parallel ground of pair of right and left.
In this embodiment, the axle sleeve 56 of the pair of right and left of fuel injection valve 60 and aspirate tube 50 is configured in the curve 52 of aspirate tube 50 arranged side by side along the overall width direction in addition.In view of the above, at the fixed part 73 of the overall width direction both sides of fuel injection valve 60 configuration joint 70 and the axle sleeve 56 of aspirate tube 50.
As described above; Air suction structure according to the Straddle-type vehicle of this embodiment; Owing on aspirate tube 50, formed the axle sleeve 56 of pair of right and left of fixed part 73 of the pair of right and left of erection joint 70; At the fixed part 73 of the side of fuel injection valve 60 configuration pair of right and left and the axle sleeve 56 of pair of right and left, so the side of the fixed part 73 of the enough joints 70 of ability and axle sleeve 56 protection fuel air suction valves 60.In view of the above, even cover the vehicle of fuel injection valve 60, also can guarantee protection fully to fuel injection valve 60 without vehicle body cover etc.
In addition according to the air suction structure of the Straddle-type vehicle of this embodiment; Because the axle sleeve 56 of pair of right and left is formed at two sides of fuel injection valve 60; The fixed part 73 of the pair of right and left of joint 70 is branched off into two strands; Simultaneously, prolong, be installed on the axle sleeve 56 of pair of right and left to two sides of fuel injection valve 60; Two sides of the fixed part 73 of pair of right and left that therefore can enough joints 70 and the axle sleeve 56 protection fuel air suction valves 60 of pair of right and left can be carried out axle sleeve 56 fixing of 70 pairs of pair of right and left of joint in addition well.
In addition according to the air suction structure of the Straddle-type vehicle of this embodiment, because aspirate tube 50, extend at the vehicle fore-and-aft direction air suction way 54 is set; Simultaneously; Have curve 52, the axle sleeve 56 of fuel injection valve 60 and pair of right and left is configured in curve 52 arranged side by side along the overall width direction; Axle sleeve 56 in pair of right and left; Form the negative thread 58 that the fixed part 73 through bolt 82 and pair of right and left connects, therefore can easily guarantee the length of negative thread 58 of the axle sleeve 56 of pair of right and left, can further carry out axle sleeve 56 fixing of 70 pairs of pair of right and left of joint well.
In addition according to the air suction structure of the Straddle-type vehicle of this embodiment; Because driving engine 30 is configured in the below of main frame 12; Fuel injection valve 60 points to the top that above-below direction is supported on aspirate tube 50, and joint 70 covers the top of fuel injection valve 60, has disposed the connection pipe portion 72 that has to the fuel feeding road of fuel injection valve 60 72a along main frame 12; The axle sleeve 56 and the fuel injection valve 60 almost parallel ground of pair of right and left prolong to above-below direction; The fixed part 73 of pair of right and left is installed in the upper end of the axle sleeve 56 of pair of right and left, prolongs to above-below direction with the axle sleeve 56 almost parallel ground of pair of right and left; Therefore can protect connection pipe portions 72 by enough main frames 12, in addition can be with joint 70 miniaturizations.
As the variation of this embodiment, as shown in Figure 6 in addition, also can form at joint 70, be disposed at the place ahead of fuel injection valve 60, link the tabular shield 74 between the fixed part 73 of the pair of right and left be branched off into two strands as forward protect portion.In the case, can improve the intensity of fixed part 73 of the pair of right and left of joint 70, in addition because with the place aheads of shield 74 covering fuel injection valves 60, so can further guarantee protection to fuel injection valve 60.
Claims (3)
1. the air suction structure of a Straddle-type vehicle wherein, possesses
Be equipped on body shell, have the driving engine of cylinder cap,
With the air suctiton inlet bonded assembly aspirate tube of said cylinder cap,
Be installed on said aspirate tube, to the fuel injection valve of said air suctiton inlet burner oil,
At least a of fuel and electric power supplied with to said fuel injection valve, and is installed in the joint of said aspirate tube, it is characterized in that by fixed part,
The said fixed part branch of said joint becomes two strands; Simultaneously, prolong to two sides of the overall width direction of said fuel injection valve, on the top of said aspirate tube; Extended to form the axle sleeve that said fixed part is installed to above-below direction abreast in two sides of the overall width direction of said fuel injection valve and with said fuel injection valve; Said axle sleeve erect be arranged at vehicle fore-and-aft direction plane orthogonal on, utilize said axle sleeve and said fixed part to protect said fuel injection valve
Said aspirate tube is provided with air suction way in the extension of vehicle fore-and-aft direction, simultaneously, has curve,
Said fuel injection valve and said axle sleeve are configured in said curve arranged side by side along the overall width direction,
Form the negative thread that connects through bolt and said fixed part at said axle sleeve.
2. the air suction structure of Straddle-type vehicle according to claim 1 is characterized in that,
Said joint also possesses the place ahead that is disposed at said fuel injection valve, with being branched off into the tabular forward protect portion that links between two strands the said fixed part.
3. the air suction structure of Straddle-type vehicle according to claim 1 and 2 is characterized in that,
Said engine configurations is in the below of said body shell,
Said joint covers the top of said fuel injection valve, disposes to the fuel feeding road of said fuel injection valve along said body shell,
Said fixed part is installed on the upper end of said axle sleeve, prolongs to above-below direction abreast with said axle sleeve.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008-133107 | 2008-05-21 | ||
| JP2008133107 | 2008-05-21 | ||
| JP2008133107A JP5004098B2 (en) | 2008-05-21 | 2008-05-21 | Air intake structure for saddle-ride type vehicles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101585386A CN101585386A (en) | 2009-11-25 |
| CN101585386B true CN101585386B (en) | 2012-10-10 |
Family
ID=41369864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100068094A Active CN101585386B (en) | 2008-05-21 | 2009-02-27 | Inhaling structure for straddle type vehicle |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5004098B2 (en) |
| CN (1) | CN101585386B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011129316A1 (en) * | 2010-04-13 | 2011-10-20 | スズキ株式会社 | Fuel injection device for engine |
| CN113165715B (en) * | 2018-12-13 | 2022-04-01 | 本田技研工业株式会社 | Saddle-ride type vehicle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2023729A (en) * | 1978-06-24 | 1980-01-03 | Bosch Gmbh Robert | IC engine fuel injector apparatus |
| US4519371A (en) * | 1981-11-04 | 1985-05-28 | Honda Giken Kogyo Kabushiki Kaisha | Mounting device for fuel injection nozzles for internal combustion engines |
| JP3923420B2 (en) * | 2002-12-02 | 2007-05-30 | 本田技研工業株式会社 | Fuel supply structure to engine in small vehicle |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3971693B2 (en) * | 2002-12-02 | 2007-09-05 | 本田技研工業株式会社 | Small vehicle |
| JP4101662B2 (en) * | 2003-01-10 | 2008-06-18 | 本田技研工業株式会社 | Mounting structure of fuel injection device for engine of small vehicle |
| JP2004239102A (en) * | 2003-02-04 | 2004-08-26 | Honda Motor Co Ltd | Installing structure of fuel injector for engine |
| JP4049684B2 (en) * | 2003-02-14 | 2008-02-20 | 愛知機械工業株式会社 | Engine fuel system protection device |
| JP4046002B2 (en) * | 2003-04-18 | 2008-02-13 | 日産自動車株式会社 | Engine fuel system protection device |
| JP4125732B2 (en) * | 2005-03-23 | 2008-07-30 | 株式会社ケーヒン | Mounting structure of fuel injection valve |
| JP4125731B2 (en) * | 2005-03-23 | 2008-07-30 | 株式会社ケーヒン | Holding member for fuel injection valve |
| JP2008111401A (en) * | 2006-10-31 | 2008-05-15 | Nissan Motor Co Ltd | Engine protector |
-
2008
- 2008-05-21 JP JP2008133107A patent/JP5004098B2/en not_active Expired - Fee Related
-
2009
- 2009-02-27 CN CN2009100068094A patent/CN101585386B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2023729A (en) * | 1978-06-24 | 1980-01-03 | Bosch Gmbh Robert | IC engine fuel injector apparatus |
| US4519371A (en) * | 1981-11-04 | 1985-05-28 | Honda Giken Kogyo Kabushiki Kaisha | Mounting device for fuel injection nozzles for internal combustion engines |
| JP3923420B2 (en) * | 2002-12-02 | 2007-05-30 | 本田技研工業株式会社 | Fuel supply structure to engine in small vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009281237A (en) | 2009-12-03 |
| CN101585386A (en) | 2009-11-25 |
| JP5004098B2 (en) | 2012-08-22 |
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| C14 | Grant of patent or utility model | ||
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