CN101042103A - Fuel filter and fuel supplying device - Google Patents
Fuel filter and fuel supplying device Download PDFInfo
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- CN101042103A CN101042103A CN 200710080173 CN200710080173A CN101042103A CN 101042103 A CN101042103 A CN 101042103A CN 200710080173 CN200710080173 CN 200710080173 CN 200710080173 A CN200710080173 A CN 200710080173A CN 101042103 A CN101042103 A CN 101042103A
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Abstract
The invention provides a fuel filter and a fuel supply device which increases durability of filtering piece by avoiding wearing at both inner and outer sides and avoids reduction of functional components performance of combustion supply system caused by wearing powder at the inner side of the filtering piece. The fuel filter (26) comprises a filtering part (76) with a filtering piece (79) for filtering fuel in a fuel box (10) and a piping part (77) which supports the filtering part and communicates the inner space of the filtering part with a fuel sucking port (55) of a fuel pump (21). An elastic mechanism (100) for supporting the piping part elastically on the bottom (16) of the fuel box and separating the filtering part from the fuel box bottom comprises a supporting part (101) outside the piping part, a sustaining component (102) arranged on the supporting part capable of advancing and retreating, and a spiral spring (103) clamped between the supporting part and the sustaining component.
Description
Technical field
The present invention relates generally to fuel filter and the fuel supplying device on a kind of fuel tank that is installed in vehicles such as two-wheel vehicle, four-wheel wagon.
Background technique
Routine in the past fuel filter is described.Figure 13 is the sectional view of expression fuel filter.
As shown in figure 13, fuel filter 300 has the fuel suction pipe 306 that is being connected with the fuel suction port of petrolift 303 and surrounds the flexible netted filter member 310 that is formed on the suction port 306A on the fuel suction pipe 306.And, in the inner space of filter member 310, between fuel suction pipe 306 and filter member 310, be provided with the torsion spring 311 of the bottom surface 301B butt that makes filter member 310 and fuel tank.In addition, such fuel filter 300 is documented in Japanese real opening in the clear 62-203977 communique.
Summary of the invention
Adopt the above-mentioned fuel filter 300 (with reference to Figure 13) of example in the past, since filter member 310 by torsion spring 311 and with the bottom surface 301B of fuel tank butt flexibly, so producing friction because of vibration waits between the outside of the bottom surface of fuel tank 301B and filter member 310 (lower face side) and between the inboard of filter member 310 and the torsion spring 311, existing the filter member 310 such problem of wearing and tearing easily.
In addition, in filter member 310, be not filtered part 310 at the inboard of filter member 310 and the fricative abrasion powder between the torsion spring 311 and filter, just flow in the fuel supply system stream.Therefore, the performance that causes the fuel supply system functional part (for example being equivalent to petrolift 303, pressure governor, sparger etc.) on this fuel supply system stream sometimes reduces.
The problem that the present invention will solve provides a kind of like this fuel filter and fuel supplying device, this fuel filter and fuel supplying device be by preventing to produce wearing and tearing in the inside and outside both sides of filter member, thereby can improve the durability of filter member and prevent to cause at the inboard abrasion powder that produces of filter member the reduction of fuel supply system functional part performance.
Above-mentioned problem can be solved by the fuel filter and the fuel supplying device that with the structure of putting down in writing in the technical solution of the present invention are main idea.
That is, adopt the fuel filter of technological scheme 1 record, by elastic mechanism pipe arrangement portion flexibly is bearing on the wall in the fuel tank, thereby the interior wall of filter house and fuel tank is separated.Therefore, the filter member that can prevent filter house is with respect to the wearing and tearing of the wall in the fuel tank, promptly prevent to produce wearing and tearing in the filter member outside.In addition, since elastic mechanism with pipe arrangement portion on the outer wall that flexibly is bearing in the fuel tank of its pipe, so can prevent to wear and tear inboard generation of filter member.Therefore, can prevent to produce wearing and tearing, can improve the durability of filter member in the inside and outside both sides of filter member.Thereupon, can prevent to flow in the fuel supply system stream and cause the performance of fuel supply system functional part to reduce at the inboard abrasion powder that produces of filter member.
In addition, adopt the fuel filter of technological scheme 2 records,, abutting member flexibly can be pressed against on the wall in the fuel tank by the resilient member that is folded between support member and the abutting member.In addition, the resilient member group can be packed between support member and the abutting member compactly.
In addition, adopt the fuel filter of technological scheme 3 records, can be by rapid assembly device, can advance and retreat abutting member easily is located on the above-mentioned support member movably.
In addition, adopt the fuel filter of technological scheme 4 records, filter member is formed by nonwovens, so can reduce cost.In addition, because filter member is left the wall in the fuel tank, so, although filter member is formed by the nonwovens of wearability difference, still can improve durability.
In addition, adopt the fuel supplying device of technological scheme 5 records, it has petrolift and fuel filter, and is arranged on the fuel tank.So the pipe arrangement portion of fuel filter flexibly is bearing on the wall in the fuel tank by elastic mechanism, the wall in filter house and the fuel tank is separated.So the filter member that can prevent filter house is with respect to the wearing and tearing of the wall in the fuel tank, promptly prevent to produce wearing and tearing in the filter member outside.In addition, because elastic mechanism flexibly is bearing in pipe arrangement portion on the wall in the fuel tank, so can prevent to produce wearing and tearing in that filter member is inboard.Therefore, can prevent that both sides produce wearing and tearing inside and outside filter member, thereby can improve the durability of filter member.Thereupon, can prevent to flow in the fuel supply system stream and cause the performance of fuel supply system functional part to reduce at the inboard abrasion powder that produces of filter member.
In addition, employing is according to the fuel supplying device of technological scheme 6 records, a kind of like this fuel supplying device with following fuel filter can be provided, this fuel filter can prevent that both sides produce wearing and tearing inside and outside filter member, thereby can improve the durability of filter member, and can prevent that the inboard abrasion powder that produces of filter member from causing the reduction of fuel supply system functional part performance.
In addition, adopt the fuel supplying device of technological scheme 7 records, have the lid member of the open pore sealing that is used to seal on the bottom surface sections that is located at fuel tank, on this lid member, be provided with above-mentioned petrolift and above-mentioned fuel filter.And elastic mechanism flexibly is bearing in the pipe arrangement portion of fuel filter the lid member upper surface of the wall in the case that acts as a fuel.Therefore, can be configured in elastic mechanism between the pipe arrangement portion of the upper surface that covers member and fuel filter.
Adopt fuel filter of the present invention and fuel supplying device, by preventing that inside and outside filter member both sides produce wearing and tearing, can improve the durability of filter member and can prevent and cause the performance of fuel supply system functional part to reduce at the inboard abrasion powder that produces of filter member.
Description of drawings
Fig. 1 is the plan view of the fuel supplying device of the expression embodiment of the invention 1.
Fig. 2 is the left side view of expression fuel supplying device.
Fig. 3 is the plan view of expression fuel supplying device.
Fig. 4 is the IV-IV sectional view of Fig. 3.
Fig. 5 is the sectional view of expression fuel filter.
Fig. 6 is the plan view of the fuel supplying device of the expression embodiment of the invention 2.
Fig. 7 is that the master of expression fuel supplying device looks sectional view.
Fig. 8 is the sectional view of expression fuel filter.
Fig. 9 is the plan view of the fuel supplying device of the expression embodiment of the invention 3.
Figure 10 is the plan view of expression fuel supplying device.
Figure 11 is the XI-XI sectional view of Figure 10.
Figure 12 is the XII-XII sectional view of Fig. 9.
Figure 13 represents the side view of the fuel filter of example in the past with biopsy cavity marker devices.
Embodiment
Below, with reference to following examples, illustrate to be used to implement best mode of the present invention.
Embodiment
Embodiment 1
With reference to the accompanying drawings, embodiments of the invention 1 are described.In the present embodiment, show two-wheel vehicle used fuel supplying devices such as motor bike, band prime mover bicycle.This fuel supplying device is arranged on the fuel tank, and this fuel tank for example is loaded near vehicle seat the place ahead on the vehicle body frame of two-wheel vehicle (not shown).In addition, Fig. 1 is the plan view of expression fuel supplying device, and Fig. 2 is the left side view of expression fuel supplying device.Fig. 3 is the plan view of expression fuel supplying device.Fig. 4 is the IV-IV sectional view of Fig. 3.Fig. 5 is the sectional view of expression fuel filter.In addition, as shown in Figure 1, on the upper plate portion 11 of fuel tank 10, be formed with and be used to be provided with open pore 13 fuel supplying device 20, for example circular hole shape.
As shown in Figure 4, fuel supplying device 20 is devices that petrolift 21, casing component 22, mounting plate 23, pressure governor 24, fuel filter 26,27 modularizations of fuel measurement meter are formed.Below, for convenience of explanation, describe in the order of mounting plate 23, pressure governor 24, petrolift 21, casing component 22, fuel filter 26, fuel measurement 27.
At first, begin explanation from mounting plate 23.As shown in Figure 4, mounting plate 23 has as the plate main body 30 of main body and is combined in feeder sleeve 31 on this plate main body 30.Plate main body 30 for example is made of the plastic article that the resin material of polyacetal resin (POM), nylon resin etc. is shaped.In addition, plate main body 30 forms as main body with roughly discoideus plate-like portion 32.Giving prominence to the flank 33 of ring-type at the lower surface of plate-like portion 32.Under the state in the open pore 13 that flank 33 substantially closely is entrenched in above-mentioned fuel tank 10, plate-like portion 32 can be with these open pore 13 sealings.
Upper surface side at above-mentioned plate-like portion 32 is formed with discharge tube portion 35.In addition, the lower face side at plate-like portion 32 is inside and outside two layers of cylindric inner cylinder portion 36 and urceolus portion 37 of being formed with.Be communicated with in the inner cylinder portion 36 with in the discharge tube portion 35.In addition, the upper surface of urceolus portion 37 is by plate-like portion 32 sealings.In addition, be formed with the pressure governor connecting tube portion 38 that is shape arranged side by side with respect to above-mentioned inner cylinder portion 36 and above-mentioned urceolus portion 37 in the lower face side of plate-like portion 32.The upper surface of pressure governor connecting tube portion 38 is by plate-like portion 32 sealings.Be connected by access 39 in the pressure governor connecting tube portion 38 with in the inner cylinder portion 36, this access 39 along the lower surface of plate-like portion 32 in the transverse direction extension and run through above-mentioned urceolus portion 37.
Above-mentioned feeder sleeve 31 for example is made of the plastic article that the resin material of polyacetal resin (POM), nylon resin etc. is shaped.Feeder sleeve 31 for example forms the elbow shape.The base portion side end face (lower end surface) of feeder sleeve 31 combines with the upper-end surface of the discharge tube portion 35 of above-mentioned plate main body 30 with the butt joint shape by engagement means.Like this, discharge tube portion 35 is connected with feeder sleeve 31.As the engagement means of feeder sleeve 31, can adopt the means such as resin welding means, binder adhesion means of vibration welded, hot plate welding, laser welding etc. with respect to discharge tube portion 35.In addition, at the front end that makes feeder sleeve 31, promptly discharge end 31a and point under the state of required direction, feeder sleeve 31 is combined in the discharge tube portion 35, can make like this feeder sleeve 31 towards variation, can improve the degrees of freedom that fuel supplying device 20 is provided with on the fuel tank 10.
As shown in Figure 1, be formed with connector portion 40 on above-mentioned plate-like portion 32, this connector portion 40 has the terminal 41 (with reference to Fig. 2 and Fig. 3) that runs through above-mentioned plate-like portion 32 upper and lower surfaces.Can be inserted into by upper surface side the connector portion 40 with aerial lug that the control mechanism that is made of not shown electronic control unit (ECU) is electrically connected and be connected with it from connector portion 40.In addition, though it is not shown, but the connector portion of the lead that is electrically connected with petrolift 21 can be connected with it by being inserted in this connector portion 40, and the connector portion of the lead that is electrically connected with fuel measurement meter 27 can be connected with it by being inserted in this connector portion 40.
In addition, on the outer circumferential face of above-mentioned urceolus portion 37, giving prominence to the 1st engaging protrusion 43 (with reference to Fig. 1).In addition, on the outer circumferential face of above-mentioned pressure governor connecting tube portion 38, giving prominence to the 2nd engaging protrusion 44 (with reference to Fig. 1).In addition, be formed with the drain tank 46 (with reference to Fig. 4) of nick shaped in the lower end surface of pressure governor connecting tube portion 38.
Below, pressure governor 24 is described.In addition, pressure governor 24 is owing to being known structure, so omit its detailed description.
As shown in Figure 4, pressure governor 24 has seizes a pair of housing 48,49 of being of barrier film (not shown) on both sides by the arms, and the peripheral part at the joining portion of this two housings 48,49 is formed with lip part 50.In addition, giving prominence to along same axis in the upper-end surface of a side (upside among Fig. 4) housing 48 and importing the fuel ingress pipe 52 that fuel is used.Base end part at a side (upside among Fig. 4) housing 48 is formed with the fuel discharge outlet (not shown) that the discharge residual fuel is used.In addition, fuel ingress pipe 52 forms the step tubulose, and the pipe portion little at its diameter is equipped with O-ring seals 53.
Below, petrolift 21 is described.In addition, petrolift 21 is owing to being known structure, so omit its detailed description.
As shown in Figure 4, petrolift 21 for example is the motor-drive pump of vortex type, forms roughly cylindric.Giving prominence to the fuel suction port 55 that sucks fuel in the fuel tank 10 in the lower end surface of petrolift 21.In addition, giving prominence to the fuel discharge outlet 56 that the fuel that has sucked is discharged in the upper-end surface of petrolift 21.In addition, be provided with connector portion 57 in the upper-end surface of petrolift 21.The connector portion of the lead (not shown) that links to each other with the connector portion 40 of above-mentioned mounting plate 23 can be connected with it by inserting this connector portion 57.During by connector portion 57 energising, petrolift 21 is driven, and makes built-in solid of rotation (for example impeller) rotation, like this, and the fuel that sucks in the fuel tanks 10 by fuel suction port 55, and its back of boosting discharged from fuel discharge outlet 56.In addition, giving prominence to filter anti-avulsion pin 58 in the lower end surface of petrolift 21.
Below, casing component 22 is described.
As shown in Figure 4, casing component 22 for example is made of the plastic article that the resin material of polyacetal resin (POM), nylon resin etc. is shaped, and keeps tube portion 60 and form based on pump roughly cylindraceous that can embedded above-mentioned petrolift 21.Keep the upper end portion of tube portion 60 to be formed with connecting tube portion 61 at pump.The fuel discharge outlet 56 of petrolift 21 can be inserted into from the below of connecting tube portion 61 in the connecting tube portion 61.In addition, the upper end portion of connecting tube portion 61 forms between the inner cylinder portion 36 and urceolus portion 37 that can be entrenched in above-mentioned mounting plate 23.But be formed with the outer race section 63 (see figures.1.and.2) of overcoat in urceolus portion 37 in the connecting tube portion 61.Be formed with the 1st card complex hole 64 on outer race section 63, when outer race section 63 overcoats were in urceolus portion 37, the 1st card complex hole 64 can utilize the deflection deformation of the resiliently deformable of outer race section 63, so-called hole enlargement direction and engage (with reference to Fig. 1) with above-mentioned the 1st engaging protrusion 43.In addition, the outer race section 63 that has the urceolus portion 37 of the 1st engaging protrusion 43 and have the 1st card complex hole 64 has constituted rapid assembly device.
As shown in Figure 4, keep the upper end portion of tube portion 60 to be formed with supporting plate portion 66 in said pump, this supporting plate portion 66 is facing to the lower end surface of the pressure governor connecting tube portion 38 of above-mentioned mounting plate 23.In supporting plate portion 66, be formed with embedding hole 67, the opposing party's (downside among Fig. 4) housing 49 of the chimeric above-mentioned pressure governor 24 of these embedding hole 67 energy.The peritreme portion of embedding hole 67 form the lip part 50 that is used to prevent pressure governor 24 deviate from, can anti-avulsion.
As shown in Figure 1, on keeping the supporting plate portion 66 of tube portion 60, said pump is formed with chimeric wall portion 69.Chimeric wall portion 69 forms in the pressure governor connecting tube portion 38 (with reference to Fig. 4) that can be enclosed within above-mentioned mounting plate 23 outward.In chimeric wall portion 69, be formed with the 2nd card complex hole 70, when overcoat wall portion 69 was entrenched in the pressure governor connecting tube portion 38, the 2nd card complex hole 70 can utilize the deflection deformation of the resiliently deformable of this chimeric wall portion 69, so-called hole enlargement direction and engage with above-mentioned the 2nd engaging protrusion 44.In addition, the chimeric wall portion 69 that has the pressure governor connecting tube portion 38 of the 2nd engaging protrusion 44 and have the 2nd card complex hole 70 has constituted rapid assembly device.
In addition, on the outer circumferential face of said pump maintenance tube portion 60 underparts, giving prominence to the 3rd engaging protrusion 72 (seeing figures.1.and.2).
In addition, keep the side face (trailing flank) of tube portion 60 to be formed with the measuring meter assembly department 74 (with reference to Fig. 2) that fuel measurement meter 27 can be installed at pump.
Below, fuel filter 26 is described.As shown in Figure 5, fuel filter 26 has filter house 76 and pipe arrangement portion 77, above-mentioned filter house 76 is used for the fuel in the filtering fuel case 10, above-mentioned pipe arrangement portion's 77 these filter houses 76 of supporting and the inner space of this filter house 76 is connected with the fuel suction port 55 of petrolift 21.
Above-mentioned pipe arrangement portion 77 is resin systems, and has delivery line portion 82, connecting tube portion 83, accepts board 85 and connecting wall portion 87.
In addition, connecting tube, portion 83 was cylindric, and was connected along the export mouth 82a of same axis with above-mentioned delivery line portion 82.Connecting tube, portion 83 formed on the fuel suction port 55 that can be enclosed within above-mentioned petrolift 21 outward.
In addition, accepting board 85 is and is integrally formed on above-mentioned connecting tube portion's upper end peripheral part of 83 flange shapely.Accepting that board 85 forms can be superimposed with the lower end surface of this petrolift 21 under the state that will be enclosed within outside the connecting tube portion 83 on the fuel suction port 55 of petrolift 21.Accept be formed with on the board 85 can with the filter anti-avulsion of petrolift 21 with the chimeric pin insertion hole 86 of pin 58.
In addition, connecting wall portion 87 is integrally formed on the above-mentioned peripheral part of accepting board 85, and forms the pump that can be enclosed within above-mentioned casing component 22 outward and keep on the underpart of tube portion 60 (seeing figures.1.and.2).In connecting wall portion 87, be formed with the 3rd card complex hole 91, when these connecting wall portion 87 overcoats when the pump of casing component 22 keeps in the tube portion 60, the 3rd card complex hole 91 can utilize the deflection deformation of the resiliently deformable of connecting wall portion 87, so-called hole enlargement direction to engage with above-mentioned the 3rd engaging protrusion 72 respectively.In addition, the grooving of above being formed with axle direction between the 3rd adjacent engaging protrusion 72 in the connecting wall portion 87, opening 92, the wall portion between this grooving 92 is easily in the deflection deformation of hole enlargement direction.In addition, the connecting wall portion 87 that keeps tube portion 60 and have the 3rd card complex hole 91 of the pump with the 3rd engaging protrusion 72 has constituted rapid assembly device.
Below, fuel measurement meter 27 is described.
Below, an example of the assembling sequence of above-mentioned mounting plate 23, pressure governor 24, petrolift 21, casing component 22, fuel filter 26, fuel measurement meter 27 is described.
At first, pressure governor 24 is assembled on the mounting plate 23.That is, with sealing state one side of pressure governor 24 (upside among Fig. 4) housing 48 is entrenched in the pressure governor connecting tube portion 38 interior (with reference to Fig. 4) of mounting plate 23 by O-ring seals 53.At this moment, make the lip part 50 of pressure governor 24 and the lower end surface butt of pressure governor connecting tube portion 38.Like this, the fuel ingress pipe 52 of pressure governor 24 by in the access 39 and with discharge tube portion 35 in are communicated with.Thereupon, in the drain tank 46 of the fuel discharge outlet (not shown) of the housing 48 of pressure governor 24 by pressure governor connecting tube portion 38 lower end surfaces and and external communications.In addition, when the pressure of the fuel of discharging from above-mentioned feeder sleeve 31, be that the fuel pressure of (comprise access 39 in pressure governor connecting tube portion 38 in) is during above specified value discharge tube portion 35 in, pressure governor 24 passes through residual fuel to discharge in the drain tank 46 outside pressure governor connecting tube 38, like this, the fuel pressure in the discharge tube portion 35 being controlled to be regulation presses.
In addition, the pump from casing component 22 keeps tube portion 60 belows that petrolift 21 is embedded in this pump maintenance tube portion 60 (with reference to Fig. 4).At this moment, the exhaust port of petrolift 21 is entrenched in the connecting tube portion 61 of casing component 22 with sealing state by O-ring seals 98.Then, the pump from casing component 22 keeps the below of tube portion 60 that the connecting wall portion 87 of accepting board 85 of fuel filter 26 is embedded in this pump maintenance tube portion 60.At this moment, the 3rd card complex hole 91 of accepting the connecting wall portion 87 of board 85 utilizes the deflection deformation of this connecting wall portion 87 to keep the 3rd engaging protrusion 72 of tube portion 60 to engage with pump, and like this, fuel filter 26 is installed on the casing component 22 and (sees figures.1.and.2).Thereupon, accept on the outer fuel suction port 55 that is enclosed within petrolift 21 of the connecting tube portion 83 of board 85 (with reference to Fig. 5).In addition, the filter anti-avulsion pin 58 of petrolift 21 is inserted in the pin insertion hole of accepting board 85 86 of fuel filter 26, and this accepts the lower end surface superimposed (with reference to Fig. 5) of board 85 and petrolift 21.
Then, the connecting tube portion 61 of above-mentioned casing component 22 is entrenched between the inner cylinder portion 36 of mounting plate 23 and the urceolus portion 37 (with reference to Fig. 4) from the below.At this moment, inner cylinder portion 36 is entrenched in the connecting tube portion 61 with sealing state by O-ring seals 99.Thereupon, the embedding hole 67 of the supporting plate portion 66 of casing component 22 is entrenched on the opposing party's's (downside among Fig. 4) the housing 49 of pressure governor 24 (with reference to Fig. 4).Like this, prevent that by the peritreme portion of the embedding hole 67 of the supporting plate portion 66 of casing component 22 lip part 50 of pressure governor 24 from deviating from.In addition, the outer race section 63 of casing component 22 is entrenched in the urceolus portion 37 of mounting plate 23.At this moment, the 1st card complex hole 64 of outer race section 63 utilizes the deflection deformation of its chimeric wall portion to engage with the 1st engaging protrusion 43 of urceolus portion 37, and like this, casing component 22 is installed on the mounting plate 23.
In addition, the chimeric wall portion 69 of casing component 22 is fitted in the pressure governor connecting tube portion 38 of mounting plate 23 (with reference to Fig. 1).At this moment, the 2nd card complex hole 70 of chimeric wall portion 69 utilizes the deflection deformation of this chimeric wall portion 69 to engage with the 2nd engaging protrusion 44 of pressure governor connecting tube portion 38, and like this, casing component 22 is installed on the mounting plate 23.
In addition, the meter body 94 of fuel measurement meter 27 is installed on the measuring meter assembly department 74 of casing component 22.In addition, the connector portion (not shown) of the lead of meter body 94 inserts this connector portion 40 from the lower face side of the connector portion 40 of mounting plate 23 and is connected with it.In addition, two connector portions of not shown lead are inserted in the connector portion 57 of the connector portion 40 of mounting plate 23 and petrolift 21 and are connected with them.In addition, casing component 22 is equivalent to " the pump retaining member " described in this specification.In addition, mounting plate 23 is equivalent to " the lid member " described in this specification.In addition, fuel measurement meter 27 is equivalent to " the residual fuel amount detection device " described in this specification.
As mentioned above, mounting plate 23, pressure governor 24, petrolift 21, casing component 22, fuel filter 26, fuel measurement meter 27 are assembled, constituted fuel supplying device 20 thus.And this fuel supplying device 20 is to be loaded on the fuel tank 10 as following.
That is,, fuel filter 26, casing component 22, fuel measurement meter 27 etc. are passed the open pore 13 of upper plate portion 11 and be inserted in the fuel tank 10 from fuel filter 26.Then, the flank 33 of the plate-like portion 32 of mounting plate 23 is entrenched in the open pore 13 of fuel tank 10, this open pore 13 is sealed (seeing figures.1.and.2) with this shape board 32.The peripheral part of plate-like portion 32 is fixed on sealing state by fixing means (not shown) in the peritreme portion of open pore 13 of fuel tank 10.In addition, be fixed on fixing means on the fuel tank 10, can suitably adopt resin welding means, binder adhesion means, screw fixing means etc. such as vibration welded, hot plate welding, laser welding as mounting plate 23.In addition, though not shown, on the 31a of the discharge end of feeder sleeve 31, be connected with fuel feed pipe, this fuel feed pipe is communicated with the transport pipe with sparger in the motor (internal-combustion engine).In addition, not shown aerial lug is inserted into the connector portion 40 of mounting plate 23 and coupled from upper surface side.
In above-mentioned fuel supplying device 20 (with reference to Fig. 2), along with the running of motor (internal-combustion engine), petrolift 21 is driven.Like this, the fuel in the fuel tank 10, after the filter member 79 by fuel filter 26 is filtered, from the delivery line portion 82 of pipe arrangement portion 77 by connecting tube portion 83 be inhaled into the fuel suction port 55.Be inhaled into fuel in the fuel suction port 55 petrolift 21 in boosted after, from fuel discharge outlet 56 discharges.The fuel of discharging from fuel discharge outlet 56 in the inner cylinder portion 36 and discharge tube portion 35 of connecting tube portion 61 by mounting plate 23 of casing component 22, feeder sleeve 31 is interior sends to fuel feed pipe (not shown).The pressure of the fuel of sending from feeder sleeve 31 is adjusted into regulation by pressure governor 24 and presses.The residual fuel of discharging from the fuel discharge outlet (not shown) of pressure governor 24 passes through the drain tank 46 interior discharges in fuel tank 10 of pressure governor connecting tube portion 38.
In addition, detect the residual capacity of the fuel in the fuel tank 10 by fuel measurement meter 27 (with reference to Fig. 1).That is, the float 96 of fuel measurement meter 27 swim residual fuel amount in fuel tank 10, be on the liquid level, swing arm 95 is rotated.The meter body 94 that has detected the rotation of swing arm 95 is exported testing signal.This testing signal outputs to the control mechanism (not shown) that is made of electronic control unit (ECU) from terminal 41, the aerial lug of lead (not shown) through the connector portion 40 of mounting plate 23.In addition, control mechanism makes indication mechanism (not shown) work such as alarm display, warning light according to the residual fuel amount of calculating from the testing signal of meter body 94 in the fuel tank 10.
But, be provided with elastic mechanism 100 on the fuel filter 26 in above-mentioned fuel supplying device 20.This elastic mechanism 100 flexibly is bearing in pipe arrangement portion 77 wall in the above-mentioned fuel tank 10, is on the bottom surface 16 of base plate 15 (with reference to Fig. 4).
As shown in Figure 5, elastic mechanism 100 has support 101, abutting member 102 and helical spring 103 and constitutes.This elastic mechanism 100 is configured on the same axis with the fuel suction port 55 of above-mentioned petrolift 21.
Above-mentioned abutting member 102 is resin systems, and forms and in the bullport 107 that can be entrenched in guide sections 106 the round-ended cylinder shape arranged.Be provided with outstanding in the opposite direction a pair of fastening pawl 108 at the upper end portion of this abutting member 102 outer side surface.In addition, on this abutting member 102 with respect to a pair of fastening pawl 108 circumferencial direction stagger the positions of 90 degree be formed with a pair of above the grooving portion 109 (having illustrated 1 among Fig. 5) of opening.Like this, have a pair of fastening pawl 108 side wall portion can towards the footpath inside side's resiliently deformable, be deflection deformation.Therefore, when being pushed into abutting member 102 in the bullport 107 from bullport 107 belows of guide portion 106, the deflection deformation that two fastening pawls 108 utilize side wall portion is by behind the bullport 107, and fastening pawl 108 can not be deviate from guide portion 106 by the elastic recovery of its side wall portion.Like this, abutting member 102 be arranged to can with respect in the bullport 107 of guide portion 106 along and fuel tank 10 in the direction faced of bottom surface 16, be that above-below direction moves, it is mobile to advance and retreat.In addition, have the side wall portion of abutting member 102 of fastening pawl 108 and the guide portion 106 with bullport 107 and constituted " rapid assembly device " described in this specification.
Above-mentioned helical spring 103 be folded in bottom surface in the above-mentioned abutting member 102, with the end face of the supporting recess 105 of the above-mentioned support 101 of facing this bottom surface between.103 pairs of abutting member 102 of helical spring are the below application of force towards exit axis.In addition, helical spring 103 is equivalent to " resilient member " described in this specification.
And, as previously mentioned, when being loaded in fuel supplying device 20 on the fuel tank 10, the lower surface of the abutting member 102 of the elastic mechanism 100 of fuel filter 26 because of the elasticity of helical spring 103 be urged state on the bottom surface 16 of fuel tank 10 be face touchingly with bottom surface 16 butts.Like this, pipe arrangement portion 77 flexibly is bearing on the bottom surface 16 in the fuel tank 10, so filter house 76 (specifically filter member 79) leaves the bottom surface 16 of fuel tank 10 by elastic mechanism 100.
Adopt the fuel filter 26 (with reference to Fig. 5) of above-mentioned fuel supplying device 20, pipe arrangement portion 77 flexibly is bearing on the bottom surface 16 in the fuel tank 10 by elastic mechanism 100, and thus, filter house 76 leaves the bottom surface 16 in the fuel tank 10.Therefore, can prevent that filter member 79 is with respect to the wearing and tearing of the bottom surface 16 in the fuel tank 10, promptly prevent to produce wearing and tearing in the outside of filter member 79.In addition and since elastic mechanism 100 pipe arrangement portion 77 on the outer bottom surface 16 that flexibly is bearing in the fuel tank 10 of its pipe, thus, can prevent wearing and tearing in filter member 79 inboard generations.Therefore, can prevent to produce wearing and tearing, thereby can improve the durability of filter member 79 in the inside and outside both sides of filter member 79.Thereupon, can prevent to flow in the fuel supply system stream and cause the reduction of fuel supply system functional part (for example, petrolift 21, pressure governor 24, sparger (not shown) etc.) performance at the inboard abrasion powder that produce of filter member 79.This point is for comparing with fuel filter with four-wheel wagon, effective especially as the fuel amount of movement two-wheel vehicle used fuel filter greatly that inclination of vehicle changes greatly, fuel tank 10 is interior.
In addition, elastic mechanism 100 flexibly is bearing in pipe arrangement portion 77 on the bottom surface 16 in the fuel tank 10, so can absorb interior bottom surface 16 of fuel tank that interior pressure variation, temperature variation and foozle etc. by fuel tank 10 cause 10 and the size error between the pipe arrangement portion 77.Like this, abutting member 102 is connected on the bottom surface 16 of fuel tank 10, can make the filter member 79 of filter house 76 leave bottom surface 16 in the fuel tank 10, can prevent that filter member 79 is with respect to the wearing and tearing of the bottom surface 16 in the fuel tank 10, promptly prevent to produce wearing and tearing in the outside of filter member 79.
In addition, by the helical spring 103 that is folded between support 101 and the abutting member 102, abutting member 102 flexibly can be pressed against on the bottom surface 16 in the fuel tank 10.In addition, can be assembled into helical spring 103 compactly between support 101 and the abutting member 102.
In addition, by by the side wall portion with fastening pawl 108 with have the rapid assembly device that the guide portion 106 of bullport 107 constitutes, abutting member 102 is arranged to easily and can advance and retreat is arranged at support 101 movably.
In addition, because filter member 79 forms by nonwovens, so can reduce cost.In addition, because filter member 79 is left the bottom surface 16 in the fuel tank 10, so, although filter member 79 is formed by the nonwovens of wearability difference, still can improve its durability.
In addition, adopt above-mentioned fuel supplying device 20, can provide a kind of like this fuel supplying device 20: by preventing to produce wearing and tearing in filter member 79 inside and outside both sides with fuel filter 26, thereby improved the durability of filter member 79, and can prevent to cause the reduction of fuel supply system functional part performance at the filter member 79 inboard abrasion powder that produce.
In addition, above-mentioned elastic mechanism 100 is provided in a side of on the fuel filter 26 in embodiment 1, but can adopt and elastic mechanism 100 that fuel filter 26 separate formation is folded in structure between the pipe arrangement portion 77 of the bottom surface 16 of fuel tank 10 and fuel filter 26, also can obtain effect, the effect same with the foregoing description 1.
Embodiment 2
Below, embodiments of the invention 2 are described with reference to the accompanying drawings.Present embodiment and embodiment 3 form the change of the part of the foregoing description 1, so, the part of its change only is described, the repetitive description thereof will be omitted.In addition, Fig. 6 is the plan view of expression fuel supplying device.Fig. 7 is that the master of expression fuel supplying device looks sectional view.Fig. 8 is the sectional view of expression fuel filter.
As shown in Figure 8, present embodiment the delivery line portion 82 of the pipe arrangement portion 77 of fuel filter 26 and connecting tube portion 83 be integrally formed as the elbow shape.That is, from the side of filter house 76 horizontal highlightedly with the integrally formed delivery line of shape retaining member 80 portion 82, from the protruding terminus of this delivery line portion 82 connecting tube portion 83 is set conjointly towards the top.And, with the foregoing description 1 similarly, elastic mechanism 100 is located on the same axis with the fuel suction port 55 of above-mentioned petrolift 21.In addition, elastic mechanism 100 is identical with elastic mechanism 100 in the foregoing description 1, so to the identical reference character of same position mark, omit its explanation.
In addition, the support of present embodiment (mark reference character 110), only constitute, and omitted guide portion 106 among the front embodiment 1 by the supporting recess, above-mentioned supporting recess outside the pipe of the pipe arrangement portion 77 of fuel filter 26, be that the lower wall portion of delivery line portion 82 has formed the round-ended cylinder shape.On support 110, be formed with a pair of fastening hole 111 of lengthwise shape.Therefore, by the below of abutting member 102 from support 110 is pushed in the support 110, two fastening pawls 108 utilize the deflection deformation of side wall portion, can not deviate from two fastening holes 111.Like this, abutting member 102 be configured to respect in the support 110 along in the face of the direction of the bottom surface 16 in the fuel tank 10, be that above-below direction moves promptly that advance and retreat move.In addition, support 110 is equivalent to " support member " described in this specification.In addition, have the side wall portion of abutting member 102 of fastening pawl 108 and the support 110 with fastening hole 111 and constituted " rapid assembly device " described in this specification.
Above-mentioned connecting tube portion's outer side surface of 83 giving prominence to can with above-mentioned filter anti-avulsion with the chimeric installation sheet 112 of pin 58.Under the state that installation sheet 112 is entrenched on the filter anti-avulsion usefulness pin 58, the elasticity of stop members 113 such as the O shape trip ring that utilization is for example formed by the metallic plate spring member, E shape trip ring is installed in the filter anti-avulsion to this stop member 113 with on the pin 58.Like this, can make the anti-avulsion reliabilization of fuel filter 26 with respect to petrolift 21.
Be formed with fuel discharge pipe portion 115 in the supporting plate portion 66 of above-mentioned casing component 22, the drain tank of this fuel discharge pipe portion 115 and the pressure governor connecting tube portion 38 of above-mentioned mounting plate 23 46 is adjacent and extend towards the below.From the fuel discharge outlet (not shown) of above-mentioned pressure governor 24 discharge, and the drain tank 46 of pressure governor connecting tube portion 38 by mounting plate 23 residual fuel of discharging discharge by fuel discharge pipe portion 115 and near the filter house 76 of fuel filter 26.
Adopt above-mentioned fuel filter 26 and fuel supplying device 20, also can obtain effect, the effect same with the foregoing description 1.
In addition, when the residual fuel amount in the fuel tank 10 has tailed off, the residual fuel of discharging from the fuel discharge outlet (not shown) of pressure governor 24 is discharged near the filter house 76 of fuel filter 26 by fuel discharge pipe portion 115 from the drain tank 46 of the pressure governor connecting tube portion 38 of mounting plate 23.Therefore, the supply that can improve fuel can be supplied to the residual fuel of discharging from pressure governor 24 on the filter member 79 of filter house 76 of fuel filter 26 energetically.In addition, compare, can prevent or reduce the generation with steam, smog of being involved in of foreign matter in the fuel in the fuel tank 10, stably fueling with previous embodiment 1.
Embodiment 3
Below, embodiments of the invention 3 are described with reference to the accompanying drawings.Present embodiment 3 is that the change of the part of the foregoing description 1 is formed, and in addition, Fig. 9 is the plan view of expression fuel supplying device, and Figure 10 is the plan view of expression fuel supplying device, and Figure 11 is the XI-XI sectional view of Figure 10.Figure 12 is the XII-XII sectional view of Fig. 9.
As shown in figure 11, in the present embodiment, on the base plate 15 of fuel tank 10, be formed with and be used to be provided with fuel supplying device open pore 17 (mark reference character 120), for example circular hole shape.
Mounting plate (mark reference character 123) is installed on this open pore 17 from the below of the open pore 17 of the base plate 15 of fuel tank 10.Therefore, the upper surface of the plate-like portion of mounting plate 123 (mark reference character 124) giving prominence to can with the flank (mark reference character 125) of the chimeric ring-type of the open pore 17 of the base plate 15 of fuel tank 10.The peripheral part of plate-like portion 124 is fixed on the peritreme subordinate surface of the open pore 17 of fuel tank 10 with air-tight state by fixing means (not shown).In addition, between the peritreme portion of the open pore 17 of fuel tank 10 and plate-like portion 124, be folded with packing ring 127.
On above-mentioned plate-like portion 124, be formed with the discharge tube portion (mark reference character 129) that connects its table the inside.The base portion side end face (upper-end surface) of feeder sleeve 31 is combined in the lower end surface of discharge tube portion 129 with being the butt joint shape by engagement means.In addition, on plate-like portion 124, giving prominence to supporting slice 130.Giving prominence to engaging protrusion 131 at the outer side surface of supporting slice 130.
As shown in Figure 9, the pump of casing component (mark reference character 133) keep the underpart of tube portion 60 be formed with can outside be enclosed within embedding part 134 on the supporting slice 130 of above-mentioned mounting plate 123.Be formed with card complex hole 135 on embedding part 134, when being enclosed within on the supporting slice 130 outside the embedding part 134, this card complex hole 135 can utilize the deflection deformation of the resiliently deformable of this embedding part 134, so-called hole enlargement direction to engage with above-mentioned engaging protrusion 131.In addition, the embedding part 134 that has the supporting slice 130 of engaging protrusion 131 and have a card complex hole 135 has constituted rapid assembly device.
As shown in figure 11, the fuel discharge outlet 56 of petrolift 21 can be inserted in said pump keeps the connecting tube portion 61 of tube portion 60 upper end portions formation from the below.So, as shown in figure 12, the upper end portion in connecting tube portion 61, the connecting pipeline 137 that is the T font is communicated with this connecting tube portion 61.Be formed with towards the joint 138 of below (among Figure 12 towards paper in side) bending in an end (right part among Figure 12) of connecting pipeline 137.Joint 138 is formed on the same axis with the discharge tube portion 129 of above-mentioned mounting plate 123, and is communicated with (with reference to Fig. 9 and Figure 11) by pipe component 140 with this discharge tube portion 129.Pipe component 140 for example is made of the nylon tubulation.
As shown in figure 12, in the other end (left part among Figure 12) of above-mentioned connecting pipeline 137, be formed with interior pipe portion 142 and outer tube part 143 with respect to this connecting pipeline 137 (for example below among Figure 12) off-centre towards the side with being inside and outside two layers of tubular.One end of outer tube part 143 (right part among Figure 12) is to be communicated with connecting pipeline 137 by end plate portion 144 sealed up states.On the outer circumferential face of outer tube part 143, giving prominence to engaging protrusion 145 (with reference to Fig. 9 and Figure 10).In addition, the two end part of interior pipe portion 142 are openings, and one end (right part among Figure 12) is as residual fuel exhaust port 147.
As shown in figure 12, pressure governor (mark reference character 150) has and seizes a pair of housing 151,152 of being of barrier film (not shown) on both sides by the arms, and the peripheral part at the joining portion of this two housings 151,152 is formed with lip part 153.In addition, giving prominence to along same axis at the end face of a side (right side among Figure 12) housing 151 and discharging the fuel recurrent canal 155 that residual fuel is used.On the end face of side's housing 151, be formed with fuel introducing port (not shown) around fuel recurrent canal 155.In addition, fuel recurrent canal 155 forms the step tubulose, and in the little pipe portion of its diameter O-ring seals 156 is installed with being housing type.In addition, O-ring seals 157, spacer ring 158 are installed with being housing type on side's housing 151.
By spacer ring 158 and O-ring seals 157, side's housing 151 of above-mentioned pressure governor 150 is entrenched in sealing state in the underpart of above-mentioned outer tube part 143 (with reference to Fig. 4).At this moment, make the lip part 153 of pressure governor 150 and the end face butt of outer tube part 143.In addition, the fuel recurrent canal 155 of pressure governor 150 is entrenched in sealing state in the underpart of interior pipe portion 142 of mounting plate 123 by O-ring seals 156.Like this, in fuel introducing port (not shown) and the outer tube part 143 (in interior pipe portion 142) is communicated with.When the pressure of the fuel of discharging from above-mentioned feeder sleeve 31, be that fuel pressure outer tube part 143 in is during above specified value, pressure governor 150 is discharged residual fuel in fuel recurrent canal 155 inside pipe portions 142, like this, the fuel pressure in the outer pipeline being controlled to be regulation presses.
As shown in figure 12, on above-mentioned outer tube part 143, be installed with and be the lid 160 that the round-ended cylinder shape is arranged.On lid 160 base plate 161, be formed with the embedding hole 163 chimeric with the opposing party's housing 152 of pressure governor 150.In addition, be formed with card complex hole 164 on the side plate 162 of lid 160, when side plate 162 overcoats were on outer tube part 143, this card complex hole 164 can utilize the deflection deformation of the resiliently deformable of this side plate 162, so-called hole enlargement direction to engage with engaging protrusion 145.Chimeric the embedding hole 163 of the base plate 161 of lid 160 with the opposing party's housing 152 of pressure governor 150.Like this, the lip part 153 of pressure governor 150 can not be deviate from (with reference to Figure 12) by the peritreme portion of the embedding hole 163 of lid 160 base plate 161.In addition, the side plate 162 of lid 160 is entrenched on the outer tube part 143.At this moment, the card complex hole 164 of side plate 162 utilizes the deflection deformation of this side plate 162 to engage with the engaging protrusion 145 of outer tube part 143, and like this, pressure governor 150 is installed in (with reference to Fig. 9, Figure 10, Figure 12) on the mounting plate 123 with the state of anti-avulsion.
So, on above-mentioned connecting pipeline 137, be formed with tabular barrier portion 166, this barrier portion 166 across the interval of regulation with above-mentioned in the residual fuel exhaust port 147 of pipe portion 142 relative.In addition, barrier portion 166 is equivalent to " barrier member " described in this specification.
In addition, the upper surface 124a of the plate-like portion 124 of mounting plate 123 as with the wall of the bottom surface that is equivalent to fuel tank 10, the abutting member 102 of resilient member 100 is by the elasticity of helical spring 103 and the upper surface 124a butt of this plate-like portion 124.Like this, the bottom surface 16 of the center 76c of the above-below direction of the filter house 76 of fuel filter 26 and fuel tank 10 is integrated into essentially identical in-plane.
(with reference among Figure 10～Figure 12), along with the running of motor (internal-combustion engine), petrolift 21 is driven at above-mentioned fuel supplying device 120.Like this, after the filter member 79 of the fuel in the fuel tank 10 by fuel filter 26 is filtered, from the delivery line portion 82 of pipe arrangement portion 77 by connecting tube portion 83 be inhaled into the fuel suction port 55.Be inhaled into fuel in the fuel suction port 55 the petrolift 21 in boosted after, from fuel discharge outlet 56 discharges.The fuel that should discharge from fuel discharge outlet 56, passes out in the fuel feed pipe (not shown) by connecting pipeline 137, pipe component 140, the discharge tube portion 129 of mounting plate 123, feeder sleeve 31 from the connecting tube portion 61 of casing component 133.
The pressure of the fuel of sending from feeder sleeve 31 is adjusted into regulation by pressure governor 150 and presses.The residual fuel of discharging from the fuel recurrent canal 155 of pressure governor 150 is discharged in fuel tank 10 by the residual fuel exhaust port 147 of interior pipe portion 142.At this moment, the residual fuel of discharging from the fuel recurrent canal 155 of pressure governor 150 collides the barrier portion 166 on the connecting pipeline 137 that is located at casing component 133.Like this, when the residual fuel quantitative change in the fuel tank 10 has been lacked, the residual fuel of discharging from the fuel recurrent canal 155 of pressure governor 150 collides the barrier portion 166 that is located on the connecting pipeline 137, thereby on the filter member 79 of the filter house 76 of the fuel filter 26 below falling.
In addition, the lower surface of the abutting member 102 of the elastic mechanism 100 of fuel filter 26 is by the elasticity of helical spring 103, with the upper surface 124a face of the plate-like portion 124 of the state that is urged and mounting plate 123 butt contiguously.Like this, pipe arrangement portion 77 is by elastic mechanism 100, flexibly is supported on the upper surface 124a of plate-like portion 124 of mounting plate 123.Therefore, filter house 76 (specifically filter member 79) leaves the upper surface 124a of the plate-like portion 124 of the wall that is equivalent to fuel tank 10.
Adopt above-mentioned fuel supplying device 120, also can obtain effect, the effect identical with the foregoing description 1.
In addition, the open pore 17 that mounting plate 123 seals on the base plate 15 that is located at fuel tank 10 is provided with petrolift 21 and fuel filter 26 (with reference to Figure 11) on this mounting plate 123.And elastic mechanism 100 flexibly is bearing in the pipe arrangement portion 77 of fuel filter 26 on the upper surface 124a of mounting plate 123 (specifically plate-shaped member 124) of the wall in the case 10 of acting as a fuel.Therefore, can be configured in elastic mechanism 100 between the pipe arrangement portion 77 of the upper surface 124a of mounting plate 123 and fuel filter 26.
In addition, when the residual fuel quantitative change has been lacked in the fuel tank 10, the residual fuel of discharging from the fuel recurrent canal 155 of pressure governor 150 collides the barrier portion 166 (with reference to Fig. 9 and Figure 12) on the connecting pipeline 137 that is located at casing component 133, thereby falls on the filter member 79 of filter house 76 of fuel filter 26.Therefore, the supply that can improve fuel can be supplied to the residual fuel of discharging from pressure governor 150 on the filter member 79 of filter house 76 of fuel filter 26 energetically.In addition, when the residual fuel of discharging from the fuel recurrent canal 155 of pressure governor 150 is discharged outside the filter house 76 of fuel filter 26, can prevent or reduce the generation with steam, smog of being involved in of foreign matter in the fuel in the fuel tank 10, stably fueling.
In addition, barrier portion 166 is not limited to and is integrally formed on the casing component 133, also can be installed in the independent barrier member that forms on the casing component 133.In addition, have the mechanism that the turbulent flow of residual fuel is carried out rectification, can prevent or reduce the steam of the fuel in the fuel tank 10, the generation of smog, can supply with stable fuel by making barrier portion 166.In addition, collide the silencer mechanism of the sound that is produced, soundproof mechanism etc., can lower the sound that produces when residual fuel collides barrier portion 166, can realize the low noiseization of fuel supplying device 120 by making barrier portion 166 have the attenuating residual fuel.
The present invention is not limited to the foregoing description, can change in the scope that does not break away from main idea of the present invention.For example, fuel supplying device 20,120 is not defined for two-wheel vehicle, can be used for the motor of four-wheel wagon, other purposes yet.In addition, mounting plate 23,123 is not limited on the upper plate portion 11 or base plate 15 that is installed in fuel tank 10, also can be installed in side plate.In addition, the filter member 79 of fuel filter 26 is not limited to by nonwovens and forms, and also can be formed by resin system or metal mesh screen, textile cloth etc.In addition, elastic mechanism 100 also can be assembled in the wall portion of fuel tank 10.In addition, the abutting member 102 of elastic mechanism 100 also can with bottom surface 16 (the upper surface 124a that comprises the plate-like portion 124 of the mounting plate 123 that is equivalent to the bottom surface) wall (for example side etc.) butt in addition of fuel tank 10.In addition, on the wall that the abutting member 102 of elastic mechanism 100 face that is not limited to be is connected to fuel tank 10 touchingly, also can be some butt touchingly.In addition, the lock structure of the rapid assembly device that the installation of abutting member 102 is used, group number etc. are unqualified, so long as the structure that can utilize resiliently deformable to be installed on the support 101,110 of pipe arrangement portion 77 gets final product.In addition, resilient member is not limited to be formed by helical spring 103, also can be formed by butterfly spring, leaf spring or rubber-like elastic body.
Claims (7)
1. fuel filter, this fuel filter has filter house and pipe arrangement portion, and above-mentioned filter house has the filter member of the fuel in the filtering fuel case, and above-mentioned pipe arrangement portion supports this filter house, and the inner space of this filter house is connected with the fuel suction port of petrolift, it is characterized in that
Be provided with above-mentioned pipe arrangement portion flexibly is bearing on the wall in the above-mentioned fuel tank so that the elastic mechanism that the wall in above-mentioned filter house and the above-mentioned fuel tank is separated.
2. fuel filter according to claim 1 is characterized in that,
Above-mentioned elastic mechanism has and is located at the outer support member of above-mentioned pipe arrangement portion pipe, can be arranged on abutting member on this support member along the direction advance and retreat in the face of the wall in the above-mentioned fuel tank movably, be folded between above-mentioned support member and the above-mentioned abutting member and above-mentioned abutting member is flexibly pressed against resilient member on the wall in the above-mentioned fuel tank.
3. fuel filter according to claim 2 is characterized in that,
Above-mentioned abutting member is by rapid assembly device, and can advance and retreat is located on the above-mentioned support member movably.
4. according to each described fuel filter in the claim 1～3, it is characterized in that,
Above-mentioned filter member is formed by nonwovens.
5. fuel supplying device, this fuel supplying device have petrolift that the fuel in the fuel tank is supplied with and the fuel filter that is connected with the fuel suction port of this petrolift outside fuel tank, and are arranged on the above-mentioned fuel tank, it is characterized in that,
Above-mentioned fuel filter has filter house and pipe arrangement portion, and above-mentioned filter house has the filter member of the fuel in the filtering fuel case, and above-mentioned pipe arrangement portion supports this filter house, and the inner space of this filter house is connected with the fuel suction port of above-mentioned petrolift;
Be provided with above-mentioned pipe arrangement portion flexibly is bearing on the wall in the above-mentioned fuel tank so that the elastic mechanism that the wall in above-mentioned filter house and the above-mentioned fuel tank is separated.
6. fuel supplying device according to claim 5 is characterized in that,
Above-mentioned fuel filter is each described fuel filter in the claim 1～4.
7. according to claim 5 or 6 described fuel supplying devices, it is characterized in that,
Lid member with the open pore that is used to seal the bottom surface sections that is located at above-mentioned fuel tank;
On above-mentioned lid member, be provided with above-mentioned petrolift and above-mentioned fuel filter;
Above-mentioned elastic mechanism flexibly is bearing in upper surface as the above-mentioned lid member of the wall in the above-mentioned fuel tank with above-mentioned pipe arrangement portion, so that the above-mentioned upper surface of above-mentioned filter house and above-mentioned lid member is separated.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006076704A JP2007255192A (en) | 2006-03-20 | 2006-03-20 | Fuel filter and fuel supply device |
| JP2006076704 | 2006-03-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101042103A true CN101042103A (en) | 2007-09-26 |
| CN100545443C CN100545443C (en) | 2009-09-30 |
Family
ID=38629696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100801739A Expired - Fee Related CN100545443C (en) | 2006-03-20 | 2007-02-14 | Fuel filter and fuel supplying device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2007255192A (en) |
| CN (1) | CN100545443C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101831933A (en) * | 2009-03-04 | 2010-09-15 | 神钢建设机械株式会社 | Work machine |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5276868B2 (en) * | 2008-03-26 | 2013-08-28 | 株式会社ケーヒン | Fuel supply module |
| JP6250154B2 (en) * | 2014-06-03 | 2017-12-20 | 三菱電機株式会社 | Vehicle fuel supply system |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6132566U (en) * | 1984-07-30 | 1986-02-27 | 日産自動車株式会社 | Pump support structure in vehicle fuel tank |
| JPS62203977U (en) * | 1986-06-16 | 1987-12-26 | ||
| JPH0479962U (en) * | 1990-11-27 | 1992-07-13 | ||
| JP3303709B2 (en) * | 1997-01-31 | 2002-07-22 | 三菱電機株式会社 | In-tank fuel pump device |
| CN2559804Y (en) * | 2002-08-17 | 2003-07-09 | 吉林省七星电器有限公司 | Fuel combustion pump for light-& micro-electric spray vehicle |
| JP2004092403A (en) * | 2002-08-29 | 2004-03-25 | Denso Corp | Suction filter |
| JP2004324456A (en) * | 2003-04-22 | 2004-11-18 | Aisan Ind Co Ltd | Fuel filter and fuel pump unit |
| JP4268095B2 (en) * | 2004-06-17 | 2009-05-27 | 株式会社日立製作所 | Fuel pump module |
| JP2006057603A (en) * | 2004-08-24 | 2006-03-02 | Hitachi Ltd | Fuel supply system |
-
2006
- 2006-03-20 JP JP2006076704A patent/JP2007255192A/en active Pending
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2007
- 2007-02-14 CN CNB2007100801739A patent/CN100545443C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101831933A (en) * | 2009-03-04 | 2010-09-15 | 神钢建设机械株式会社 | Work machine |
Also Published As
| Publication number | Publication date |
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| JP2007255192A (en) | 2007-10-04 |
| CN100545443C (en) | 2009-09-30 |
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Granted publication date: 20090930 Termination date: 20110214 |