CN101033721A - Fuel pump components and installation members - Google Patents

Abstract

The object of the present invention is to provide a fuel pump assembly which can reduce component by making component generalized and a mounting component. The fuel pump assembly (5) is formed by assembling a fuel pump (6) on a mounting plate (8), the mounting plate (8) can be mounted on a fuel box (1) and has a piping part (28) connected to the inside and outside of the fuel box (1) for the flow of the fuel, the fuel pump (6) is disposed in the fuel box and supplies the fuel in the fuel box (1) to the outside of the fuel box (1). The mounting plate (8) has a plate main body (20) for forming the main body of the mounting plate (8) and a fuel feeding pipe (21) combined with the plate main body (20) for forming one portion of the piping part (28). The plate main body (20) and the fuel feeding pipe (21) is made of resin, a combine mechanism for combining the plate main body (20) and the fuel feeding pipe (21) is a resinic dissolve connecting mechanism (29).

Description

Fuel pump components and installation component

Technical field

The present invention relates to mainly to be installed in fuel pump components and installation component on the fuel tank of vehicles such as two-wheel vehicle, four-wheel wagon.

Background technique

The pump assembly (being also referred to as fuel supplying device, fuel supply unit etc.) that acts as a fuel, the fuel pump components in TOHKEMY 2003-49729 communique etc. for example on the books.The fuel pump components that patent documentation 1 is put down in writing, have the petrolift that is configured in the fuel tank, filter that fuel filter is used, regulate the pressure governor of the fuel pressure of discharging from above-mentioned petrolift and with being formed on open pore on the above-mentioned fuel tank chimeric lid as functional part.In addition, the lid member is by resin manufacture, is formed with the fuel that makes in the fuel tank on the main body at lid and is passed to pipe arrangement portion outside the fuel tank.

Yet, in fuel pump components, have such problem: because the pipe arrangement portion of lid member is only common towards specifications such as, length, be difficult to realize the generalization of parts, therefore have to raise the cost.Promptly, different vehicle adopts different engine models, must make respectively and covers member accordingly by every kind of desired specification of engine model, for this reason, the forming die of this lid member of being used to be shaped also needs to prepare and the corresponding platform number of specification, thereby has to raise the cost.

Summary of the invention

The problem that the present invention will solve is to provide a kind of fuel pump components and installation component that can reduce cost by making the parts generalization.

Above-mentioned problem can be that the fuel pump components and the installation component of main idea solves by the structure of being put down in writing with following technical proposals.

Promptly, fuel pump components according to technological scheme 1 record, can be installed on the fuel tank and have the installation component that is communicated with the inside and outside communication portion of fuel tank, have the main component that constitutes its main body and be combined on this main component and part or all the communication portion that forms above-mentioned communication portion forms member.Therefore, when main component and communication portion being formed member and combine with combining mechanism, if can select multiple combining form or select combining form arbitrarily, even then main component and communication portion formation member has only a kind of respectively, also can obtain the different multiple installation component of combining form that main component and communication portion form member, can make the installation component variation.In addition, if can even then only make a parts generalization, also can make the installation component variation to the main component of installation component and arbitrary member among communication portion forms member selectively in conjunction with different multiple another member of specification.Therefore, even only make main component and communication portion form at least one member generalization among the member, also can make the installation component variation, thereby can reduce cost.So the fuel pump components that can reduce cost is compared with being used for four-wheel wagon, and two-wheel vehicle used cheaply fuel pump components is more favourable as requiring.

According to the fuel pump components of technological scheme 2 records, the communication portion of above-mentioned installation component is the pipe arrangement portion for the fuel circulation.Therefore, communication portion forms part or all that member can form pipe arrangement portion.

According to the fuel pump components of technological scheme 3 records, the communication portion of above-mentioned installation component is the connector portion with energising tenminal block.Therefore, communication portion forms part or all that member can form connector portion with energising tenminal block.

According to the fuel pump components of technological scheme 4 records, it is by resin manufacture that the main component of above-mentioned installation component and communication portion form member.Therefore, easily profiled body member and communication portion form member.Simultaneously, can make the installation component lightweight, and then make the fuel pump components lightweight.

According to the fuel pump components of technological scheme 5 records, adopt the resin mode of welding easily main component and communication portion to be formed the member combination.In addition, when adopting resin to weld mode, can dispense main component and communication portion are formed the sealing components such as O-ring seals that seal between the member,, can make main component and communication portion form the connecting part miniaturization of member by having omitted the sealing member.

According to the fuel pump components of technological scheme 6 records, can easily main component and communication portion be formed the member combination with rapid assembly device.

According to the fuel pump components of technological scheme 7 records, can be to the main component of installation component and the arbitrary member among the communication portion formation member, selectively in conjunction with the different multiple the opposing party's member of specification.Therefore, for multiple machine,, prepare another member corresponding and get final product with each machine as long as prepare an a kind of member.Therefore, only make a member generalization, just can make the installation component variation.

According to the installation component of technological scheme 8 record, have the main component that constitutes its main body and be combined on this main component and part or all the communication portion that forms above-mentioned communication portion forms member.Therefore, with combining mechanism with main component and communication portion form member in conjunction with the time, if can select multiple combining form or select combining form arbitrarily, even then main component and communication portion formation member has only a kind of respectively, also can obtain the different multiple installation component of combining form that main component and communication portion form member, can make the installation component variation.In addition, if, can even then only make a member generalization, also can make the installation component variation selectively in conjunction with different multiple another member of specification to the main component of installation component and the arbitrary member among the communication portion formation member.Therefore,, also can make the installation component variation, can reduce cost even only make main component and communication portion form at least one member (parts) generalization among the member.

According to the installation component of technological scheme 9 record, it is by resin manufacture that aforementioned body member and above-mentioned communication portion form member.So profiled body member and communication portion form member easily.Simultaneously can make the installation component lightweight.

According to the installation component of technological scheme 10, adopt the resin mode of welding easily main component and communication portion to be formed the member combination.In addition, when adopting resin to weld mode, can dispense main component and communication portion are formed the sealing components such as O-ring seals that seal between the member,, can make main component and communication portion form the connecting part miniaturization of member by having omitted the sealing parts.

According to the installation component of technological scheme 11 records, can easily main component and communication portion be formed the member combination with rapid assembly device.

According to the installation component of technological scheme 12 record, can form arbitrary member among the member selectively in conjunction with the different multiple the opposing party's member of specification to aforementioned body member and above-mentioned communication portion.Therefore, for multiple machine,, prepare the opposing party parts corresponding and get final product with each machine as long as prepare an a kind of quadrate part spare.Therefore, only make a quadrate part spare generalization, just can make the installation component variation.

According to the fuel pump components of technological scheme 13 record, form between the member with above-mentioned communication portion at the main component of above-mentioned installation component and to be provided with rotation preventive mechanism, this rotation preventive mechanism can be in the direction engaging that mutually combines, and can be at circumferential selection clamped position.Therefore, can select the main component of installation component and the clamped position that communication portion forms member, make the installation component variation, can reduce cost.So the fuel pump components that can reduce cost is compared with being used for four-wheel wagon, and two-wheel vehicle used cheaply fuel pump components is more favourable as requiring.In addition, engage with the direction that formation portion of communication portion mutually combines at main component with installation component, so, the circumferential strength of connecting part can be improved.Therefore, when using installation component, when using fuel pump components etc., can prevent or reduce because of unexpected external force acting on the breakage that causes installation component on the main component of installation component and/or the communication portion formation member.

According to the fuel pump components of technological scheme 14 record, on the opposing end surface at the main component that above-mentioned rotation preventive mechanism is located at above-mentioned installation component and the circular joining portion separately of above-mentioned communication portion formation member.Thus, on forming the opposing end surface at circular joining portion separately of member, the main component of installation component and communication portion can easily constitute rotation preventive mechanism.

According to the fuel pump components of technological scheme 15 record, forming above-mentioned rotation preventive mechanism with the straight line with the orthogonal axe at joining portion is the line symmetry shape of benchmark.Thus, can constitute rotation preventive mechanism easily.

According to the installation component of technological scheme 16 record, form between the member with above-mentioned communication portion at the aforementioned body member and to be provided with rotation preventive mechanism, this rotation preventive mechanism can be in the direction engaging that mutually combines, and can only close the position in circumferential selection.Therefore, can select main component and communication portion to form the clamped position of member, can make the installation component variation, can reduce cost.In addition, by in that main component is engaged with the direction that formation portion of communication portion mutually combines, can improve the circumferential strength of connecting part.Therefore, in the time of when using installation component, when using fuel pump components etc., can prevent or reduce because of unexpected external force acting on the breakage that causes installation component on the main component of installation component and/or the communication portion formation member.

According to the installation component of technological scheme 17 record, above-mentioned rotation preventive mechanism is located at aforementioned body member and above-mentioned communication portion forms on the opposing end surface at circular joining portion separately of member.Thus, on forming the opposing end surface at circular joining portion separately of member, the main component of installation component and communication portion can constitute rotation preventive mechanism easily.

According to the installation component of technological scheme 18 record, forming above-mentioned rotation preventive mechanism with the straight line with the orthogonal axe at joining portion is the line symmetry shape of benchmark.Thus, can constitute rotation preventive mechanism easily.

According to fuel pump components of the present invention and installation component,, can reduce cost by making the parts generalization.

Description of drawings

Fig. 1 is the plan view of the fuel pump components of expression embodiments of the invention 1.

Fig. 2 is that the master of expression fuel pump components looks sectional view.

Fig. 3 is the exploded view of the component parts of expression fuel pump components.

Fig. 4 is the sectional view of expression the 1st rapid assembly device.

Fig. 5 is the exploded perspective view of expression the 1st rapid assembly device.

Fig. 6 is the sectional view of expression the 2nd rapid assembly device.

Fig. 7 is the exploded perspective view of expression the 2nd rapid assembly device.

Fig. 8 is the sectional view of expression the 3rd rapid assembly device.

Fig. 9 is the exploded perspective view of expression the 3rd rapid assembly device.

Figure 10 is the sectional view of expression the 4th rapid assembly device.

Figure 11 is the exploded perspective view of expression the 4th rapid assembly device.

Figure 12 is the worm's eye view of expression mounting plate.

Figure 13 is the XIII-XIII sectional view of Figure 12.

Figure 14 is that the master of expression suction filter looks sectional view.

Figure 15 is the XV-XV sectional view of Figure 14.

Figure 16 is the partial sectional view that welds part of display plate main body and supply pipe.

Figure 17 is the partial sectional view of state before the welding of display plate main body and supply pipe.

Figure 18 is the sectional view of the mounting plate of expression embodiments of the invention 2.

Figure 19 is the sectional view of the mounting plate of expression embodiments of the invention 3.

Figure 20 is the explanatory drawing of expression rotation preventive mechanism.

Figure 21 is the stereogram of supply pipe periphery of the mounting plate of expression embodiments of the invention 4.

Figure 22 is the plate main body of expression mounting plate and the exploded perspective view of supply pipe.

Embodiment

Below, be used to implement preferred forms of the present invention with reference to following embodiment's explanation.

Embodiment

[embodiment 1]

With reference to description of drawings embodiments of the invention 1.In the present embodiment, illustrate the fuel pump components of the two-wheel vehicles such as bicycle that are used for motor bike, band prime mover.Fig. 1 is the plan view of expression fuel pump components, and Fig. 2 is that the master of expression fuel pump components looks sectional view, and Fig. 3 is the exploded view of the component parts of expression fuel pump components.In addition, the fuel pump components of present embodiment 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, as shown in Figure 1, on the upper plate portion 2 of fuel tank 1, be formed with and be used to be provided with open pore 3 fuel pump components 5, for example circular hole shape.In addition, fuel tank 1 is equivalent to " the division member " described in this specification.

As shown in Figure 3, fuel pump components 5 forms petrolift 6, casing component 7, mounting plate 8, pressure governor 9, suction filter 10,12 modularizations of fuel measurement meter.Below, for convenience of explanation, describe in the order of mounting plate 8, pressure governor 9, petrolift 6, casing component 7, suction filter 10, fuel measurement 12.In addition, as shown in Figure 1, casing component 7 and mounting plate 8 are installed to together by the 1st rapid assembly device 14 and the 2nd rapid assembly device 15.Casing component 7 and suction filter 10 are installed to together by the 3rd rapid assembly device 17.Casing component 7 and fuel measurement meter 12 are installed to together by the 4th rapid assembly device 18.The back will illustrate each assembling (snap fit) parts 14,15,17,18 fast one by one.

At first, begin explanation from mounting plate 8.Figure 12 is the worm's eye view of expression mounting plate, and Figure 13 is the XIII-XIII sectional view of Figure 12.In addition, mounting plate 8 is equivalent to " installation component " described in this specification.

As shown in figure 13, mounting plate 8 has the plate main body 20 that constitutes its main body and is combined in supply pipe 21 on this plate main body 20.Plate main body 20 is made of the resin forming product that for example is shaped by resin materials such as polyacetal resin (POM), nylon resins.In addition, plate main body 20 forms with roughly discoideus plate-like portion 22 as main body.At the lower surface of plate-like portion 22, giving prominence to the flank 23 (with reference to Figure 12) of ring-type.State in the open pore 3 (with reference to Fig. 1) that flank 23 almost closely is entrenched in above-mentioned fuel tank 1, plate-like portion 22 can be with these open pore 3 sealings.In addition, as shown in figure 13, inside and outside double tubular is formed with the interior pipe portion 25 and the outer tube part 26 of intersecting with predetermined angular (for example 90 °) and this plate-like portion 22 on plate-like portion 22.

Above-mentioned supply pipe 21 is made of the resin forming product that is for example formed by resin materials such as polyacetal resin (POM), nylon resins.Supply pipe 21 for example forms the elbow shape.The base portion side end face (lower end surface) of supply pipe 21 is on the upper-end surface of the outer tube part 26 that is combined in above-mentioned plate main body 20 by combining mechanism with docking shape.Thus, outer tube part 26 is communicated with supply pipe 21.Formed the pipe arrangement portion 28 of the space outerpace (being about to 1 inside and outside connection of fuel tank) of the inner space that is connected fuel tank 1 and fuel tank 1 by the outer tube part 26 of this plate main body 20 and supply pipe 21.In addition, pipe arrangement portion 28 is equivalent to " the communication portion " described in this specification.In addition, the plate main part 20 with outer tube part 26 constitutes the main body of mounting plate 8, is equivalent to " main component " described in this specification.In addition, supply pipe 21 forms the part of pipe arrangement portion 28, is equivalent to " communication portion forms member " described in this specification.In addition, as shown in this embodiment, when supply pipe (communication portion form member) 21 forms pipe arrangement portions (communication portion) 28 a part of, on plate main body (main component) 20, be formed with outer tube part 26 as the remaining part of pipe arrangement portion (communication portion) 28.

In addition, in the present embodiment, as the combining mechanism that above-mentioned supply pipe 21 is attached on the above-mentioned plate main body 20, that can adopt vibration welds, hot plate welds, laser welds etc. resin welds mechanism's (mark reference character 29).When supply pipe 21 is attached on the plate main body 20,, supply pipe 21 is combined on the plate main body 20 so that the front end of supply pipe 21, promptly discharge the state that end 21a points to desirable direction.

At this, illustrate supply pipe 21 is attached to the structure that welds on the plate main body 20.Figure 16 is the partial sectional view that welds part of display plate main body and supply pipe, and Figure 17 is the partial sectional view of state before the welding of display plate main body and supply pipe.

The joining portion 130 that mating face 130a is arranged in the upper end that opening end (upper end) peripheral part of the outer tube part 26 of plate main body 20 is formed with ring-type as shown in figure 17.In addition, perimembranous is formed with the abutting part 132 that there is bearing surface 132a the upper end in the opening end of outer tube part 26, and this abutting part 132 and above-mentioned joining portion 130 form double-deck ring-type.In addition, the joining portion 130 with mating face 130a is more outstanding upward than the bearing surface 132a of above-mentioned abutting part 132.The overhang 130X at joining portion 130 is equivalent to weld surplus 130X (marking the reference character identical with overhang).Be formed with between joining portion 130 and the abutting part 132 towards above opening, the isolation channel 131 of U shaped sections roughly.

The joining portion 134 that mating face 134a is arranged in the lower end that opening end (lower end) peripheral part of above-mentioned supply pipe 21 is formed with ring-type in addition.In addition, perimembranous is formed with the abutting part 136 that there is bearing surface 136a the lower end in the opening end of outer tube part 26, and this abutting part 136 and above-mentioned joining portion 134 form double-deck ring-type.In addition, the joining portion 134 with mating face 134a is more outstanding downwards than the bearing surface 136a of above-mentioned abutting part 136.The overhang 134X at joining portion 134 is equivalent to weld surplus 134X (marking the reference character identical with overhang).Be formed with between joining portion 134 and the abutting part 136 towards above the isolation channel 135 of roughly U shaped sections of opening.In addition, joining portion 130, isolation channel 131, the abutting part 132 with the outer tube part 26 of plate main body 20 is relative respectively for the joining portion 134 of supply pipe 21, isolation channel 135, abutting part 136.

Then, illustrate supply pipe 21 is welded situation on the outer tube part 26 of plate main body 20.From the state of Figure 17 as can be known, under the state that the mating face 134a of the mating face 130a of the outer tube part 26 of plate main body 20 and supply pipe 21 is pushed towards mutual opposite direction, by the vibration that is for example produced by not shown vibration generating arrangement, the front end at two joining portion 130,134 is heated fusion.Simultaneously, weld surplus 130X, the 134X (with reference to Figure 17) of the butt joint end at two joining portion 130,134 weld (with reference to Figure 16) mutually.And, contact the mutual butt of shape by bearing surface 132a, the 136a of two abutting parts 132,136 with face, limit two joining portion 130,134 and further weld.Therefore, prevent excessively welding of two joining portion 130,134, two joining portion 130,134 are suitably welded.Then, weld portion's (mark reference character 138) curing that is cooled, supply pipe 21 is installed on the outer tube part 26 of plate main body 20 thereby finished.

In addition, the part of the melting resin that produces at the portion that welds 138 places at the joining portion 134 of the joining portion 130 of the outer tube part 26 of plate main body 20 and supply pipe 21 spills into the interior all sides and the outer circumferential side at two joining portion 130,134.The melting resin 140 that spills into all sides in it is solidified to form to welding flash 140 (marking the reference character identical with melting resin).In addition, the melting resin 141 that spills into outer circumferential side is solidified to form to welding flash 141 (marking the reference character identical with melting resin).But, can will spill into the melting resin 140 of interior all sides to be contained in the isolation channel 131,135 (with reference to Figure 16).Thus, can stop between the abutting part 136 of the abutting part 132 of outer tube part 26 of melting resin 140 slave plate main bodys 20 and supply pipe 21 and spill in the pipe arrangement portion 28 (with reference to Figure 13).Therefore, can avoid in pipe arrangement portion 28 forming and weld flash 140, can prevent from or reduce to weld flash 140 and be blended in the fuel.In addition, can dispense at least one joining portion in two joining portion 130,134.In addition, can dispense at least one abutting part in two abutting parts 132,136.In addition, can dispense at least one isolation channel in two isolation channels 131,135.

As shown in figure 13, the upper-end surface of the interior pipe portion 25 of above-mentioned plate main body 20 is closed portion's 30 sealings.In addition, side below above-mentioned plate-like portion 22, on this plate-like portion 22, be formed with exhaust port connecting tube portion 31 and discharge tube portion 32, this exhaust port connecting tube portion 31 is communicated with into two trouble shapes with above-mentioned outer tube part 26, this discharge tube portion 32 to be connecting the state of outer tube part 26, is communicated with into two trouble shapes with interior pipe portion 25.Exhaust port connecting tube portion 31 and discharge tube portion 32 extend towards oblique below respectively, its front-end face opening.

Be formed with connector portion 34 (with reference to Figure 13) on above-mentioned plate-like portion 22, this connector portion 34 has the wiring terminal 35 that connects plate-like portion 22 upper and lower surfaces.The aerial lug that is electrically connected with the control unit that is made of not shown electronic control unit (ECU) can insert from the upper face side of this connector portion 34 and be connected in this connector portion 34.In addition, though it is not shown, the connector portion of the lead that is electrically connected with petrolift 6 can side insert and be connected in this connector portion 34 below connector portion 34, and the connector portion of the lead 103 (with reference to Fig. 1) that is electrically connected with fuel measurement meter 12 also can insert and be connected in this connector portion 34.

As shown in figure 12, on the underpart outer circumferential face of the outer tube part 26 of above-mentioned plate main body 20, for example upwards roughly equally spaced giving prominence to the 1st engaging protrusion 36 (with reference to Figure 12) of a pair of wedge shape in week.The 1st engaging protrusion 36 is the shapes (with reference to Fig. 4 and Fig. 5) that come to a point towards the below.The chimeric wall portion 60 with the 1st card complex hole 61 of the outer tube part 26 with the 1st engaging protrusion 36 and aftermentioned casing component 7 cooperates, and constitutes the 1st rapid assembly device 14.In addition, Fig. 4 is the sectional view of expression the 1st rapid assembly device, and Fig. 5 is the exploded perspective view of expression the 1st rapid assembly device.

As shown in figure 12, be formed with a pair of semicircular cylinder portion 38 at the lower surface of above-mentioned plate-like portion 22.Semicircular cylinder portion 38 constitutes in pairs the time cylindric, with above-mentioned exhaust port connecting tube portion 31 is placed between a pair of semicircular cylinder portion 38, this a pair of semicircular cylinder portion 28 lays respectively at this semicircular cylinder portion 28 of state configuration that exhaust port connecting tube portion 31 both sides are separated.On the outer circumferential face of the underpart of semicircular cylinder portion 38, giving prominence to and for example be the 2nd engaging protrusion 39 (with reference to Fig. 3) of wedge shape.The 2nd engaging protrusion 39 is the shapes that come to a point towards the below.In addition, the semicircular cylinder portion 38 with the 2nd engaging protrusion 39 cooperates with the outer sleeve portion 63 with the 2nd card complex hole 64 of aftermentioned casing component 7 and constitutes the 2nd rapid assembly device 15.In addition, Fig. 6 is the sectional view of expression the 2nd rapid assembly device, and Fig. 7 is the exploded perspective view of expression the 2nd rapid assembly device.

Then, pressure governor 9 is described.This pressure governor 9 is known structures, so, omit its detailed description.And, in Fig. 5,, represented pressure governor 9 in detail with the 1st rapid assembly device 14.

As shown in Figure 5, pressure governor 9 has the up and down a pair of body 41,42 of clamping barrier film (not shown), is formed with lip part 43 in the joining portion periphery of this two body 41,41.In addition, in the upper-end surface of upside body 41, on same axis, giving prominence to the fuel recurrent canal 44 that is used to discharge residual fuel.In addition, on the upper-end surface of upside body 41, be formed with fuel introducing port 45 in mode around fuel recurrent canal 44.In addition, fuel recurrent canal 44 forms the step tubulose, with housing type O-ring seals 47 is installed in its narrow tube portion.In addition, on upside body 41, spacer ring 48, O-ring seals 49 are installed with housing type.

Then, petrolift 6 is described.Petrolift 6 is known structures, so, omit its detailed description.

As shown in Figure 3, petrolift 6 for example is the vortex type motor-drive pump, forms roughly cylindric.Giving prominence to the fuel suction port 51 that is used to suck the fuel in the fuel tank 1 in the lower end surface of petrolift 6.And, giving prominence to the fuel discharge outlet 52 of the fuel that is used to discharge suction in the upper-end surface of petrolift 6.In addition, be provided with connector portion 53 in the upper-end surface of petrolift 6.The connector portion of the lead (not shown) that is connected with the connector portion 34 of above-mentioned mounting plate 8 can insert this connector portion 53 and be connected with it.Driving fuel pump 6 makes built-in solid of rotation (for example impeller) rotation by 53 energisings of connector portion, thereby passes through the fuel that fuel suction port 51 sucks in the fuel tanks 1, and its back of boosting is discharged from fuel discharge outlet 52.In addition, giving prominence to filter anti-avulsion pin 54 in the lower end surface of petrolift 6.

Then, casing component 7 is described.

As shown in Figure 3, casing component 7 is formed based on pump roughly cylindraceous that can embedded above-mentioned petrolift 6 and keeps tube portion 56.Keep the upper end portion of tube portion 56 to be formed with supporting plate portion 57 at pump, this supporting plate portion 57 is towards the lower end surface of the outer tube part 26 of above-mentioned mounting plate 8.In supporting plate portion 57, be formed with the embedding hole 58 (with reference to Fig. 5) of the following routine body 42 of the chimeric above-mentioned pressure governor 9 of energy.The peritreme portion of embedding hole 58 is formed the lip part 43 that can prevent pressure governor 9 and breaks away from (with reference to Fig. 4).Casing component 7 is made of the resin forming product that for example is shaped by resin materials such as polyacetal resin (POM), nylon resins.

As shown in Figure 3, keep in said pump on the peripheral part of supporting plate portion 57 of tube portion 56, be formed with a pair of chimeric wall portion 60 with the point symmetry shape.A pair of chimeric wall portion 60 be formed can embedded above-mentioned mounting plate 8 outer tube part 26 (with reference to Fig. 4).In chimeric wall portion 60, be formed with the 1st card complex hole 61.When chimeric wall portion 60 is entrenched on the outer tube part 26, the 1st card complex hole 61 can utilize this chimeric wall portion 60 resiliently deformable, be the deflection deformation (with reference to double dot dash line among Fig. 4 60) of hole enlargement direction and engaging with above-mentioned the 1st engaging protrusion 36.In addition, the chimeric wall portion 60 that has the outer tube part 26 of the 1st engaging protrusion 36 and have the 1st card complex hole 61 has constituted " the 1st rapid assembly device 14 ".

As shown in Figure 7, keep the upper end portion of tube portion 56 to be formed with the roughly outer sleeve portion 63 of C word tubular in said pump.Outer sleeve portion 63 is formed two semicircular cylinder portion 38 ground can crossing over above-mentioned mounting plate 8 and is coated at (with reference to Fig. 6) on it.Be formed with the 2nd card complex hole 64 outside on the sleeve part 63, when outer sleeve portion 63 is entrenched in two semicircular cylinder portions 38, the 2nd card complex hole 64 can utilize these outer sleeve portion 63 two end part resiliently deformable, be the deflection deformation (with reference to double dot dash line among Fig. 6 63) of hole enlargement direction and engaging with above-mentioned two the 2nd engaging protrusion 39.In addition, the outer sleeve portion 63 that has the semicircular cylinder portion 38 of the 2nd engaging protrusion 39 and have the 2nd card complex hole 64 has constituted " the 2nd rapid assembly device 15 ".

As shown in Figure 3, keep in said pump on the underpart outer circumferential face of tube portion 56, for example on circumferentially, equally spaced giving prominence to the 3rd engaging protrusion 66 of 3 (2 shown in Figure 3) wedge shapes.The 3rd engaging protrusion 66 is the shapes that keep the axial below of tube portion 56 to come to a point towards pump.And, keep the underpart of tube portion 56 at pump, be formed with the grooving 67 that pump is kept opening below tube portion 56 axial between the 3rd adjacent engaging protrusion 66.In addition, the pump with the 3rd engaging protrusion 66 keeps the connecting wall portion with the 3rd card complex hole 91 90 of the pump connector element 78 of tube portion 56 and aftermentioned suction filter 10 to cooperate and constitutes the 3rd rapid assembly device 17.Fig. 8 is the sectional view of expression the 3rd rapid assembly device, and Fig. 9 is the exploded perspective view of expression the 3rd rapid assembly device.

As shown in Figure 3, keep the side face of tube portion 56 to be formed with measuring meter assembly department 70 in said pump, this measuring meter assembly department 70 has the smooth measuring meter attachment face 71 that is used to install aftermentioned fuel measurement meter 12.On the measuring meter attachment face 71 of measuring meter assembly department 70, be formed with for example engaging protuberance 72 of straight line shape.On the outstanding end of engaging protuberance 72 underparts, giving prominence to a pair of fastening sheet 72a that stretches out to two sides.In addition, be formed with the fastening protuberance 73 and the fastening projection 74 that for example are positioned at the bight, upper end portion on the measuring meter attachment face 71 of measuring meter assembly department 70, this fastening protuberance 73 and fastening projection 74 are spaced from each other predetermined distance.In addition, having the chimeric recess 100 with fastening portion 99 of measuring meter assembly department 70 and the meter body 95 of aftermentioned fuel measurement meter 12 of engaging protuberance 72, fastening protuberance 73 and fastening projection 74 and elasticity fastening sheet 101 cooperates and constitutes the 4th rapid assembly device 18.In addition, Figure 10 is the sectional view of expression the 4th rapid assembly device.Figure 11 is the exploded perspective view of expression the 4th rapid assembly device.

Then, suction filter 10 is described.Figure 14 is that the master of expression suction filter looks sectional view, and Figure 15 is the XV-XV sectional view of Figure 14.

As shown in figure 15, suction filter 10 has filter component 76, support member 77 and pump connector element 78.Filter component 76 for example forms the flat bag shape by filter materials such as resinous mesh screen, nonwovens.In addition, support member 77 is to use resin manufacture, has structural portion 80 and delivery line portion 81, and this structural portion 80 remains the internal capacity that swelling state was guaranteed filter component 76 with filtering material 76, and this delivery line portion 81 is with the inside and outside connection of filter component 76.Delivery line portion 81 forms the elbow shape, and the outer end of this delivery line portion 81 is towards the top opening.

Said pump connector element 78 is to use resin manufacture, have connecting tube portion 83, connect board 84 and accept board 85, this connection board 84 connecting tube portion's lower, outer perimeter face of 83 be flange shape and stretch out, this accept board 85 connecting tube portion's upper end outer circumferential face of 83 be flange shape and stretch out.Connecting tube, portion 83 underpart was embedded in the outer end of delivery line portion 81 of above-mentioned support member 77, this connecting tube portion 83 upper end portion be formed on the fuel suction port 51 that can be enclosed within above-mentioned petrolift 6 outward.In addition, with connecting tube portion 83 underpart be embedded under the state in the outer end of delivery line portion 81 of support member 77, connect on board 84 is combined in above-mentioned support member 77 with being superimposed shape by connector element 87 the upper-end surface of delivery line portion 81.In addition, under the state on the fuel suction port 51 that is enclosed within petrolift 6 outside connecting tube portion 83 the upper end portion, accept board 85 and can be formed on the lower end surface of above-mentioned petrolift 6 (with reference to Figure 15) superimposedly.Be formed with the filter anti-avulsion of can be chimeric, can inserting petrolift 6 pin insertion hole 88 on the board 85 accepting with pin 54.

As shown in Figure 9, on the above-mentioned peripheral part of accepting board 85, be formed with 3 connecting wall portions 90 of uniformly-spaced arranging with roughly.Connecting wall portion 90 is formed on the underpart that the pump that can be enclosed within above-mentioned casing component 7 outward keeps tube portion 56 (with reference to Fig. 2).In connecting wall portion 90, be formed with the 3rd card complex hole 91, when the pump that is enclosed within above-mentioned casing component 7 outside the connecting wall portion 90 keeps in the tube portion 56, this card complex hole 91 can utilize connecting wall portion 90 resiliently deformable, be the deflection deformation (with reference to double dot dash line among Fig. 8 90) of hole enlargement direction and engaging with above-mentioned the 3rd engaging protrusion 66 respectively.In addition, the pump with the 3rd engaging protrusion 66 keeps tube portion 56 and the connecting wall portion 90 with the 3rd card complex hole 91 to constitute " the 3rd rapid assembly device 17 ".

In addition, as shown in Figure 9, on the above-mentioned peripheral part of accepting board 85, be formed with 3 the maintenance wall portions 93 each other of adjacent connecting wall portion 90 that are positioned at.The pump that keeps wall portion 93 to be formed being entrenched in above-mentioned casing component 7 keeps in the grooving 67 of tube portion 56, and can be enclosed within outward on the underpart of above-mentioned petrolift 6 (with reference to Fig. 8).

Then, fuel measurement meter 12 is described.Fuel measurement meter 12 has according to resistance value and detects residual fuel amount in the fuel tank 1 (with reference to Fig. 1), is the function of liquid level meter of the liquid level of fuel.

As shown in Figure 3, fuel measurement meter 12 has meter body 95, can be arranged at swing arm 96 on this meter body 95 rotationally with respect to this meter body 95, be installed on the free end of this swing arm 96, and can float over float 97 on the liquid level in the fuel tank 1, this meter body 95 forms box-like, and has resistance substrate (not shown).

As shown in figure 11, above-mentioned meter body 95 has towards the attachment face 98 of the measuring meter attachment face 71 of the measuring meter assembly department 70 of above-mentioned casing component 7.Specifically, on attachment face 98, giving prominence to square a plurality of (among Figure 11 be up and down totally 4) the jut 98a that for example grows crosswise dispersedly, and these juts 98a has small overhang.Jut 98a on the attachment face 98 is contacted with 71 of measuring meter attachment faces, reduce area of contact each other, thereby reduce cost, improve wearability.For example, when 98 whole of attachment faces are contacted with 71 of measuring meter attachment faces, be envisioned that not only two surface of contact require high planeness and have to raise the cost, and the contacting part scope becomes big wearing and tearing easily.But as mentioned above, the jut 98a on the attachment face 98 is contacted with measuring meter attachment face 71, reduced area of contact each other, thereby as long as guarantee jut 98a precision, so can reduce cost, improve wear resistance performance.In addition, it is the square of horizontal length that the shape of jut 98a does not limit, and can become other shape by appropriate change.In addition, jut 98a does not limit with 71 of measuring meter attachment faces and contacts, and can be to contact with its point yet.

In addition, on attachment face 98, be formed with can with the measuring meter assembly department 70 of above-mentioned casing component 7 engage the chimeric chimeric recess 100 of protuberance 72.Chimeric recess 100 has fastening portion 99, under the state (double dot dash line 72 in reference to Figure 10) that engages protuberance 72 engagings of chimeric recess 100 and measuring meter assembly department 70, meter body 95 with respect to measuring meter assembly department 70 towards the below mobile established amount, thereby these fastening portion 99 restriction meter body 95 can not continue to move again, and prevent that the fastening sheet 72a that engages protuberance 72 from deviating from.

In addition, as shown in figure 11,, be formed with the upwards elasticity fastening sheet 101 of standing shape at a sidepiece of meter body 95 (sidepiece corresponding) with the fastening protuberance 73 of the measuring meter assembly department 70 of above-mentioned casing component 7 and fastening projection 74.Elasticity fastening sheet 101 is formed can be towards meter body 95 side resiliently deformables, be deflection deformation (with reference to double dot dash line among Figure 10 101).Free end at elasticity fastening sheet 101 is that the upper end portion is formed with removal stop section 102.In the time of on the engaging protuberance 72 of the measuring meter assembly department 70 that the chimeric recess 100 of above-mentioned meter body 95 is fitted to above-mentioned casing component 7, elasticity fastening sheet 101 is between the fastening protuberance 73 and fastening projection 74 of measuring meter assembly department 70, and its removal stop section 102 becomes the state (with reference to double dot dash line among Figure 10 102) that stretches out upward.And when meter body 95 relatively moved established amount with respect to measuring meter assembly department 70 towards the below, removal stop section 102 utilized the deflection deformation of elasticity fastening sheet 101, and square tube is crossed between fastening protuberance 73 and the fastening projection 74 down.Then, when the fastening sheet 72a of engaging protuberance 72 engages with fastening portion 99 and can not throw off the time, elastic recovery along with elasticity fastening sheet 101, removal stop section 102 slips into the downside of fastening projection 74, limit meter body 95 thus and move towards the top, thereby prevent that meter body 95 from deviating from respect to measuring meter assembly department 70.In addition, meter body 95 formations " the 4th rapid assembly device 18 " that have the measuring meter assembly department 70 of engaging protuberance 72, fastening protuberance 73 and fastening projection 74 and have the chimeric recess 100 of fastening portion 99 and have elasticity fastening sheet 101.

In addition, from above-mentioned meter body 95 draw be built in its main body in the lead 103 (with reference to Fig. 1) that is electrically connected of Detecting element.The connector portion (not shown) that is located at the free end of lead 103 can side insert and be connected with it below the connector portion 34 of above-mentioned mounting plate 8.

One example of the assembling sequence of above-mentioned mounting plate 8, pressure governor 9, petrolift 6, casing component 7, suction filter 10, fuel measurement meter 12 then, is described.

At first, pressure governor 9 is assembled on the mounting plate 8.That is,, be entrenched in sealing state by spacer ring 48 and O-ring seals 49 in the underpart of outer tube part 26 of mounting plate 8 (with reference to Fig. 4) the housing 41 of pressure governor 9 upsides.At this moment, make the lip part 43 of pressure governor 9 and the lower end surface butt of outer tube part 26.In addition, the fuel recurrent canal 44 of pressure governor 9, be entrenched in sealing state by O-ring seals 47 in the underpart of interior pipe portion 25 of mounting plate 8.Thus, in fuel introducing port 45 and the outer tube part 26 (in interior pipe portion 25) is communicated with.When the pressure of the fuel of discharging from above-mentioned supply pipe 21, be fuel pressure outer tube part 26 in when surpassing specified value, pressure governor 9 is discharged to residual fuel from fuel recurrent canal 44 in the pipe portion 25, thereby the interior fuel pressure of outer pipeline is controlled to be authorized pressure.

Then, the embedding hole 58 of the supporting plate portion 57 of casing component 7 is fitted to the housing 42 of the downside of pressure governor 9.Thus, prevent that by the peritreme portion of the embedding hole 58 of the supporting plate portion 57 of casing component 7 lip part 43 of pressure governor 9 from deviating from (with reference to Fig. 4).In addition, two chimeric wall portions 60 of casing component 7 are entrenched on the outer tube part 26 that board 8 is installed.At this moment, each the 1st card complex hole 61 of two chimeric wall portions 60 utilizes the deflection deformation (with reference to double dot dash line among Fig. 4 60) of this chimeric wall portion 60 and engages with each the 1st engaging protrusion 36 of outer tube part 26.Thereby casing component 7 is installed on the mounting plate 8 by the 1st rapid assembly device 14.

In addition, the outer sleeve portion 63 of casing component 7 is entrenched in the semicircular cylinder portion 38 of mounting plate 8 (with reference to Fig. 6).At this moment, each the 2nd card complex hole 64 of outer sleeve portion 63 utilizes the deflection deformation (with reference to double dot dash line among Fig. 6 63) of this outer sleeve portion 63 and engages with each the 2nd engaging protrusion 39 of semicircular cylinder portion 38.Thereby casing component 7 is installed on the mounting plate 8 by the 2nd rapid assembly device 15.

Then, connecting tube portion's 83 outer being enclosed within on the fuel suction port 51 of petrolift 6 of accepting board 85 of the pump connector element 78 of suction filter 10.Simultaneously, the filter anti-avulsion pin 54 of petrolift 6 is inserted in the pin insertion hole 88 of pump connector element 78 of suction filter 10, pump connector element 78 by accepting the lower end surface superimposed (with reference to Fig. 2) of board 85 with petrolift 6.In addition, as required drop-proof components (not shown) such as the O shape trip ring of metallic leaf spring material formation, E shape trip rings, utilize its elasticity to be installed in the filter anti-avulsion, thereby can prevent effectively that suction filter 10 (specifically the pump connector element 78) is from petrolift 6 disengagements with on the pin 54.

In addition, outer being enclosed within on the fuel suction port 51 of connecting tube portion 83 of the pump connector element 78 of suction filter 10, simultaneously, respectively the keeping on the outer underpart that is enclosed within petrolift 6 of wall portion 93 (with reference to Fig. 8) of pump connector element 78.

Then, petrolift 6 is embedded in the pump maintenance tube portion 56 of casing component 7.Again the fuel discharge outlet 52 of petrolift 6 is entrenched in the exhaust port connecting tube portion 31 interior (with reference to Fig. 2) of mounting plate 8 with sealing state by O-ring seals 105.Simultaneously, the pump that the connecting wall portion 90 of the pump connector element 78 of suction filter 10 is entrenched in casing component 7 keeps in the tube portion 56 (with reference to Fig. 8).At this moment, each the 3rd card complex hole 91 of the connecting wall portion 90 of pump connector element 78 utilizes the deflection deformation (with reference to double dot dash line among Fig. 8 90) of this connecting wall portion 90 and keeps each the 3rd engaging protrusion 66 of tube portion 56 to engage with pump, thereby suction filter 10 is installed on the casing component 7 by the 3rd rapid assembly device 17.In addition, the pump that respectively keeps wall portion 93 to be entrenched in casing component 7 of the pump connector element 78 of suction filter 10 keeps in each grooving 67 of tube portion 56.In addition, two connector portions of not shown lead are inserted in the connector portion 53 of the connector portion 34 of mounting plate 8 and petrolift 6.

In addition, the meter body 95 of fuel measurement meter 12 is on the measuring meter assembly department 70 that superimposed shape is configured in casing component 7.At this moment, make suitable quantity (for example 4) the jut 98a that is formed on the attachment face 98 contact with measuring meter attachment face 71, be butt.From this state, meter body 95 is relatively moved towards the below with respect to measuring meter assembly department 70, thereby the chimeric recess 100 of meter body 95 is engaged with the protuberance 72 that engages of measuring meter assembly department 70 with the anti-avulsion state, and, the anti-avulsion sheet 102 of the elasticity fastening sheet 101 of meter body 95 utilizes the deflection deformation (with reference to double dot dash line among Figure 10 101) of this elasticity fastening sheet 101, engage with the fastening projection 74 of measuring meter assembly department 70 with the anti-avulsion state, thereby fuel measurement meter 12 (specifically meter body 95) is installed on the casing component 7 by the 4th rapid assembly device 18.In addition, the connector portion (not shown) of the lead 103 (with reference to Fig. 1) of meter body 95 is inserted in the connector portion 34 of mounting plate 8 and is connected with it from following side.

Like this, mounting plate 8, pressure governor 9, petrolift 6, casing component 7, suction filter 10, fuel measurement meter 12 are assembled, constituted fuel pump components 5.This fuel pump components 5 is as be loaded on the fuel tank 1 followingly.

That is, suction filter 10, casing component 7, fuel measurement meter 2 etc. are inserted in the fuel tank 1 by open pore 3 from suction filter 10.Then, the flank 23 of the plate-like portion 22 of mounting plate 8 is entrenched in the open pore 3 of fuel tank 1 (with reference to Fig. 1), open pore 3 is sealed with this shape board 22.The peripheral part of plate-like portion 22 in the peritreme portion of the open pore 3 (with reference to Fig. 1) that is configured in fuel tank 1 by the seal washer that for example is made of rubber-like elastic body or sealing component (not shown), and is fixed into air-tight state by fixed mechanism (not shown).Be fixed on fixed mechanism on the fuel tank 1 as mounting plate 8, can adopt the fixing retention mechanism that waits of screw.In addition, as the fixed mechanism that mounting plate 8 is fixed on the fuel tank 1, also can suitably replace the fixing retention mechanisms of use screws with weld mechanism, the binder bonding agency etc. that vibrate resins such as welding, hot plate welds, laser welds.At this moment, can dispense seal washer or sealing component.In addition, the plate-like portion 22 of mounting plate 8 and/or fuel tank 1 are during by metallic such as the rigidity material higher than resin, for example iron plates, adopt the fixing mode of screw, by seal washer or sealing component (not shown) plate-like portion 22 are fixed on the fuel tank 1.In addition, though not shown, on the 21a of the discharge end of supply pipe 21, connecting the fuel feed pipe that is communicated with transport pipe in the motor (internal-combustion engine) with sparger.In addition, not shown aerial lug inserts the connector portion 34 of mounting plate 8 and is connected with it from upper face side.

In the above-mentioned fuel pump components 5 (with reference to Fig. 2) that is loaded on the above-mentioned fuel tank 1, along with the running of motor (internal-combustion engine), petrolift 6 is driven.Thus, after the filter component 76 of the fuel in the fuel tank 1 by suction filter 10 is filtered, sucked by fuel suction port 51 by the connecting tube portion 83 of pump connector element 78 from the delivery line portion 81 of support member 77.The fuel that is inhaled into fuel suction port 51 in petrolift 6 boosted after, discharge from fuel discharge outlet 52.The fuel of discharging from fuel discharge outlet 52 by outer tube part 26 (in interior pipe portion 25), supply pipe 21, is sent fuel feed pipe (not shown) from the exhaust port connecting tube portion 31 of mounting plate 8.The pressure of the fuel of sending from supply pipe 21 is adjusted to regulation by pressure governor 9 and presses.The residual fuel of discharging from the fuel recurrent canal 44 of pressure governor 9 is discharged in the fuel tank 1 by discharge tube portion 32 from interior pipe portion 25.

In addition, detect the residual capacity of the fuel in the fuel tank 1 by fuel measurement meter 12 (with reference to Fig. 1).That is, the residual fuel of the float 97 of fuel measurement meter 12 in fuel tank 1, be to swim on the liquid level, swing arm 96 is rotated.Detect meter body 95 output detection signals of the rotation of swing arm 96.This testing signal outputs to the control unit (not shown) that is made of electronic control unit (ECU) from lead 103 through the tenminal block 35 of the connector portion 34 of mounting plates 8, aerial lug.Control unit is calculated the residual fuel amount in the fuel tank 1 according to the testing signal from meter body 95, makes indication mechanism (not shown) work such as warning indicator, warning light.

In the above-mentioned fuel pump components 5, can be installed on the fuel tank 1 and have will fuel tank the mounting plate 8 of the 1 inside and outside pipe arrangement portion 28 that is communicated with, have as the plate main body 20 of its main body and be combined on this plate main body 20 and form the supply pipe 21 (with reference to Figure 13) of the part of pipe arrangement portion 28.For this reason, for example, plate main body 20 and supply pipe 21 usefulness weld mechanism 29 in conjunction with the time, point under the state of desired direction at the discharge end 21a that makes supply pipe 21, supply pipe 21 is combined on the plate main body 20.Therefore, can select the plurality of plate main body or arbitrarily option board main body 20 and supply pipe 21 by welding the combining form that mechanism 29 combines.Therefore, a kind of even plate main body 20 and supply pipe 21 have only respectively, also can obtain the multiple mounting plate 8 of the different combining forms of plate main body 20 and supply pipe 21, can make mounting plate 8 variations.

Therefore, make at least one member generalization among plate main body 20 and the supply pipe 21, can make mounting plate 8 variations, can reduce cost.So, the fuel pump components 5 that can reduce cost is compared with being used for four-wheel wagon, and two-wheel vehicle used cheaply fuel pump components 5 is more favourable as requiring.

In addition, because mounting plate 8 has as the plate main body 20 of its main body and is combined in supply pipe 21 on this plate main body 20, so, can be to arbitrary structure different multiple another parts of installation specification selectively.Therefore, the member that can adopt miniaturization is as at least one side's member, thereby fuel pump components 5 is taken up space less.So, can save the fuel pump components in space, compare with being used for four-wheel wagon, more favourable as the two-wheel vehicle used fuel pump components of the limited space system of setting.

In addition, the communication portion of mounting plate 8 is the pipe arrangement portions 28 for the fuel circulation, and supply pipe 21 forms the part of pipe arrangement portion 28.Therefore, pipe arrangement portion 28 can be cut apart outer tube part 26 and supply pipe 21 these two-part that form plate main body 20.In addition, supply pipe 21 also can form the whole of pipe arrangement portion 28.So, when supply pipe (communication portion form member) 21 forms pipe arrangement portions (communication portion) 28 whole, for example, with the combined structure that connector members 110 is combined in plate main body 20 among the aftermentioned embodiment 2 (with reference to Figure 18) similarly, the through hole that passes for supply pipe 21 is set on plate main body 20, supply pipe 21 is combined in the peritreme portion of this through hole.

Because the plate main body 20 and the supply pipe 21 of mounting plate 8 are by resin manufacture, so, easily forming board main body 20 and supply pipe 21.Simultaneously, the lightweight of mounting plate 8 can be realized, and then fuel pump components 5 lightweights can be made.

In addition, can with resin weld mechanism 29, easily the plate main body 20 with mounting plate 8 combines with supply pipe 21.In addition, adopt resin weld mechanism 29 time, can save the sealing component that is used for O-ring seals etc. that will sealing between plate main body 20 and the supply pipe 21, owing to having omitted the sealing parts, so can make the connecting part miniaturization of plate main body 20 and supply pipe 21.Therefore, can shorten the height 28h (with reference to Figure 13) of pipe arrangement portion 28 outstanding on the plate-like portion 22 of plate main body 20.So can shorten the fuel pump components 5 of height 28h of the pipe arrangement portion 28 of mounting plate 8, compare with being used for four-wheel wagon, the restricted two-wheel vehicle used fuel pump components of the loading space on the case 1 that acts as a fuel 5 is more favourable.

In addition, to the plate main body 20 of mounting plate 8 and the arbitrary member among the supply pipe 21, can be selectively in conjunction with different multiple another member of specification.For example, to plate main body 20, can install selectively discharge end 21a towards different multiple supply pipes 21 of specification such as, height; Perhaps, the different plurality of plate main bodys 20 of specification such as outer tube part 26, connector portion 34 can be installed selectively to supply pipe 21.That is, in the time of to plate main body 20 multiple supply pipe 21 can being installed selectively,,, preparing the multiple supply pipe corresponding 21 and get final product with each machine as long as prepare a kind of plate main body 20 for multiple machine.Therefore, make 20 generalizations of plate main body, can reduce cost.In addition, in the time of can plurality of plate main body 20 being installed selectively to supply pipe 21,,, preparing the multiple plate main body 20 corresponding and get final product with each machine as long as prepare a kind of supply pipe 21 for multiple machine.Therefore, by making supply pipe 21 generalizations, can reduce cost.As mentioned above, make a member generalization, can make mounting plate 8 variations.

[embodiment 2]

Below, with reference to description of drawings embodiments of the invention 2.Present embodiment and later embodiment are that a part that changes the foregoing description 1 forms.So only the part of explanation change is omitted repeat specification.In the present embodiment, the connector portion 34 with tenminal block 35 of mounting plate 8 in the foregoing description 1 has been done change.Figure 18 is the sectional view of expression mounting plate 8.

As shown in figure 18, the mounting plate in the present embodiment 8 has plate main body 20 that constitutes its main body and the connector members 110 that tenminal block 35 is arranged on this plate main body 20.On the plate-like portion 22 of plate main body 20, be formed with the through hole 112 that can supply connector members 110 to pass.On the outer circumferential face of connector members 110, be formed with and be the flange shape lip part that stretches out 114.The lip part 114 of connector members 110 is combined in by combining mechanism in the peritreme portion 113 of through hole 112 of plate-like portion 22 of plate main body 20.Thus, formed the connector portion 110 (marking the reference character identical) of the inner space of contact fuel tank 1 and the space outerpace of fuel tank 1 (being about to 1 inside and outside connection of fuel tank) with connector members.In addition, plate main body 20 constitutes its main body, is equivalent to " main component " described in this specification.In addition, connector portion (connector members) 110 forms the whole connector portion 34 in the foregoing descriptions 1, is equivalent to " communication portion forms member ", " the communication portion " described in this specification.

In addition, in the present embodiment, as the combining mechanism that connector members 110 is combined on the plate main body 20, be adopt resins such as vibration welds, hot plate welds, laser welds weld mechanism's (mark reference character 116).When being attached to connector members 110 on the plate main body 20,, connector members 110 is attached on the plate main body 20 making connector members 110 point to desirable circumferential state.

Present embodiment 2 also can obtain effect, the effect same with the foregoing description 1.

In addition, in the present embodiment, the communication portion of mounting plate 8 is the connector members 110 with energising tenminal block 35, and connector members 110 forms the whole of connector portion.Therefore, connector portion and plate main body 20 can be formed on the connector members 110 dividually.

[embodiment 3]

With reference to description of drawings embodiments of the invention 3.In the present embodiment, that uses that rapid assembly device 120 replaces the plate main body 20 of the mounting plate 8 in the foregoing descriptions 1 and supply pipe 21 welds mechanism 29.Figure 19 is the sectional view of expression mounting plate.

As shown in figure 19, the mounting plate 8 of present embodiment is being given prominence to suitably (shown in Figure 19 2) the fastening sheet 121 that is positioned at around the above-mentioned outer tube part 26 on plate main body 22.And, be formed with the step surface 123 of ring-type at the base portion side peripheral part of supply pipe 21.And, on fastening sheet 121, formed claw 122, when being incorporated into supply pipe 21 on the outer tube part 26, this claw 122 utilize this fastening sheet 121 resiliently deformable, be the deflection deformation (with reference to double dot dash line among Figure 19 121) of hole enlargement direction and can engaging with the step surface 123 of supply pipe 121.In addition, fastening sheet 121 and the step surface 123 with claw 122 constituted " rapid assembly device 120 ".

In the present embodiment, when being attached to supply pipe 21 on the plate main part 20, at the front end that makes supply pipe 21, promptly discharge the state that end 21a points to desired direction, the base end part of supply pipe 21 is pressed against on the outer tube part 26 of plate main body 20.At this moment, the claw 122 of the fastening sheet 121 of plate main body 20 utilize this fastening sheet 121 resiliently deformable, be the deflection deformation (with reference to double dot dash line among Figure 19 121) of hole enlargement direction and engaging with the step surface 123 of supply pipe 121.Thereby supply pipe 21 by rapid assembly device 120 in conjunction with, promptly be installed on the plate main body 20.In addition, between the mating face of outer tube part 26 and supply pipe 21, O-ring seals 125 is set, will seals up between the two.

Present embodiment 3 also can obtain effect, the effect same with the foregoing description 1.

In addition, in the present embodiment, can easily the plate main body 20 and the supply pipe 21 of mounting plate 8 be combined by rapid assembly device 120.

In addition, in the present embodiment, as shown in figure 20, can between the opposing side of the outer tube part 26 of plate main body 20 and supply pipe 21 base end parts, the rotation preventive mechanism that is made of protuberance 127 that can engage mutually and recess 128 be set.The protuberance 127 of this rotation preventive mechanism and recess 128 are being engaged in plate main part 20 and supply pipe 21 combinations mutually by rapid assembly device 120.So can stop the rotation of supply pipe 21, can limit the unintentional rotation of supply pipe 21 simultaneously with respect to plate main body 20.In addition, the protuberance 127 of rotation preventive mechanism and recess 128 can be uniformly-spaced to be provided with many groups, the recess 128 of corresponding multiple perhaps also can be set the protuberance 127 of stated number, thereby when being attached to supply pipe 21 on the plate main body 20, can make the discharge end 21a of supply pipe 21 from a plurality of pointing directions, selectively make it point to desirable direction.In addition, among Figure 20, be that protuberance 127 is set on outer tube part 26, at the base end part of supply pipe 21 recess 128 is set, but also recess 128 can be set on outer tube part 26, at the base end part of supply pipe 21 protuberance 127 is set.

[embodiment 4]

With reference to description of drawings embodiments of the invention 4.In the present embodiment,, be set to many groups (for example 8 groups) the protuberance and the recess of the rotation preventive mechanism between the opposing side of the outer tube part 26 of plate main body 20 in the foregoing description 3, that be located at mounting plate 8 and supply pipe 21 base end parts.In addition, Figure 21 is the stereogram of the supply pipe periphery of expression mounting plate, and Figure 22 is the plate main body of expression mounting plate and the exploded perspective view of supply pipe.

As shown in figure 21, the upper end side open end (upper end portion) of the outer tube part 26 of the plate main body 20 of mounting plate 8 becomes the joining portion 150 of hollow cylindrical.150 the upper-end surface at the joining portion is circumferentially equally spaced, for example formed a plurality of (shown in Figure 21 8) protuberance 152 with 45 ° of intervals.Adjacent protuberance 152 becomes recess 154 each other.In addition, joining portion 150 is equivalent to " the circular joining portion " described in this specification.

As shown in figure 22, be formed with the joining portion 160 of hollow cylindrical at the open end (underpart) of above-mentioned supply pipe 21.Joining portion 160 has internal diameter and the external diameter identical with the joining portion 150 of above-mentioned plate main body 20, can with these joining portion 150 couplings (with reference to Figure 21).160 the lower end surface at the joining portion is circumferentially equally spaced, for example formed a plurality of (having illustrated 8 among Figure 21) recess 162 with 45 ° of intervals.Adjacent recess 162 becomes protuberance 164 each other.In addition, joining portion 160 is equivalent to " the circular joining portion " described in this specification.And the lower end surface at the upper-end surface at joining portion 150 and joining portion 160 is equivalent to " opposing end surface " described in this specification.

The recess 162 at the protuberance 152 at the joining portion 150 of above-mentioned plate main body 20 and the joining portion 160 of above-mentioned supply pipe 21 is in the direction that mutually combines, be that opposite direction can engage (with reference to Figure 21).At this moment, the protuberance 164 at the recess 154 at the joining portion 150 of plate main body 20 and the joining portion 160 of supply pipe 21 is in the direction that mutually combines, be that opposite direction can engage.Under this state, plate main body 20 and supply pipe 21 are circumferentially by spline.In addition, the recess 162 at the protuberance 152 at the joining portion 150 of plate main body 20 and the joining portion 160 of supply pipe 21 can be chosen in the clamped position at circumferential 45 ° of intervals.In addition, the recess 162 at the joining portion 160 of the protuberance 152 at the joining portion 150 of plate main body 20 and supply pipe 21 has constituted rotation preventive mechanism 170.The straight line (plane) that the protuberance 152 of this rotation preventive mechanism 170 and recess 162 form with the axis 170L (with reference to Figure 22) that passes through joining portion 150,160 is the line symmetry shape of benchmark.

In the present embodiment, when being attached to supply pipe 21 on the plate main body 20, at the front end that makes supply pipe 21, promptly discharge end 21a and point under the state of desired direction, make the recess 162 at the joining portion 160 of the protuberance 152 at joining portion 150 of plate main body 20 and supply pipe 21, in the direction that mutually combines, be opposite direction engaging (with reference to Figure 21).Simultaneously, the plate main body 20 of mounting plate 8 and supply pipe 21 be by above-mentioned rapid assembly device 120 (with reference to the foregoing description 3) combination, thereby formed pipe arrangement portion 28 (with reference to Figure 21).In addition, in Figure 21 and Figure 22, omitted rapid assembly device 120.

Present embodiment 4 also can obtain effect, the effect same with the foregoing description 3.

In addition, be provided with rotation preventive mechanism 170 between the plate main body 20 of mounting plate 8 and supply pipe 21, this rotation preventive mechanism 170 can be in the direction engaging that mutually combines, and can circumferentially select clamped position.Therefore, can select the plate main body 20 of mounting plate 8 and supply pipe 21 clamped position, can select supply pipe 21 discharge end 21a towards, can make mounting plate 8 variations, can reduce cost.So the fuel pump components that can reduce cost is compared with being used for four-wheel wagon, and two-wheel vehicle used cheaply fuel pump components is more favourable as requiring.In addition, because the plate main body 20 of mounting plate 8 and supply pipe 21 are engaged in the direction that mutually combines, thus can improve the circumferential strength of connecting part.Therefore, when using mounting plate 8, when using fuel pump components etc., can prevent or reduce because of external force unexpectedly acting on the breakage that causes mounting plate 8 on the plate main body 20 of mounting plate 8 and/or the supply pipe 21.

In addition, above-mentioned rotation preventive mechanism 170 is located on the opposing end surface at circular joining portion separately 150,160 of the plate main body 20 of mounting plate 8 and supply pipe 21.Thus, on the opposing end surface at the circular joining portion separately 150,160 of the plate main body 20 of mounting plate 8 and supply pipe 21, can constitute rotation preventive mechanism 170 easily.

In addition, rotation preventive mechanism 170 being formed with the straight line (plane) with the axis 170L quadrature at joining portion 150,160 is the line symmetry shape of benchmark.Thus, can constitute rotation preventive mechanism 170 easily.

In addition, can suitably increase and decrease the protuberance 152 of rotation preventive mechanism 170 and the group number of recess 162.In addition, the protuberance 152 of rotation preventive mechanism 170 and recess 162 can reverse configuration, promptly can be located at supply pipe 21 sides to protuberance, recess 162 is located at plate main body 20 sides.In addition, supply pipe 21 is attached to the combining mechanism on the plate main body 20 of mounting plate 8, also can suitably adopts the mechanism that grips that welds mechanism, binder bonding agency, anchor clamps of resins such as screw engages, vibration welds, hot plate welds, laser welds to wait and replace rotation preventive mechanism 170.

[other embodiment]

In the foregoing description,, exemplified and to be installed on the fuel tank 1 that to divide two spaces be inner space and space outerpace and to have mounting plate 8 the pipe arrangement portion 28 of two spatial communication as assembly.But so long as can be installed in the installation component of dividing on two space dividing members and having the pipe arrangement portion that is communicated with two spaces, with the plate main body 20 of mounting plate 8 in the foregoing description 1,3 and supply pipe 21 similarly or same with the plate main body 20 and the combination of connector members 110 in the foregoing description 2, all applicable the present invention.

The present invention is not limited to the foregoing description, in the scope that does not break away from main idea of the present invention, can change.For example, fuel pump components 5 is not defined for two-wheel vehicle, can be used for the motor of four-wheel wagon, other purposes yet.In addition, fuel pump components 5 two parts having mutual installation at least get final product.Therefore, do not limit whether for example pressure governor 9, suction filter 10, fuel measurement meter 12 etc. are arranged.In addition, in the foregoing description, be that mounting plate 8, suction filter 10, fuel measurement meter 12 (specifically meter body 95) are installed on the casing component 7, but the combination that should install can appropriate change.For example, also can be installed in suction filter 10 on the mounting plate 8, perhaps also can be installed in fuel measurement meter 12 on the mounting plate 8.In addition, the lock structure of rapid assembly device, group number etc. are unqualified, so long as the structure that utilizes elastic deformation energy that two parts are installed gets final product.For example, also can promptly, in the above-described embodiments, can step surface 123 be set on plate main body 20 to the configuration that reverses of the fastening sheet 120 in the rapid assembly device 120 and step surface 123, fastening sheet 121 is set on supply pipe 21.Also can be the configuration that reverses of the engaging protrusion in each rapid assembly device and card complex hole, that is, in the above-described embodiments, can card complex hole be set being provided with on the member of engaging protrusion, engaging protrusion is set being provided with on the member of card complex hole.In addition, also can use engagement groove, engaging recessed part etc. to replace card complex hole, as long as can engage with engaging protrusion.In addition, can increase and decrease the engaging position of each rapid assembly device.In addition, mounting plate 8 is not limited to be installed on the upper plate portion of fuel tank 1, also can be installed on side plate or the base plate.In addition, the plate main body 20 of casing component 7, mounting plate 8 and supply pipe 21, pump connector element 78 etc. are by resin manufacture in the above-described embodiments, but also can are by the metal manufacturing.

In addition, it is two rapid assembly devices 14,15 that the mounting mechanism that is used to install casing component 7 and mounting plate 8 does not limit, the resin that can adopt also that vibration welds, hot plate welds, laser welds etc. weld mechanisms such as mechanism, binder bonding agency, screw engage, anchor clamps grip.In addition, it is the 3rd rapid assembly device 17 that the mounting mechanism that is used to install casing component 7 and suction filter 10 does not limit, the resin that can adopt also that vibration welds, hot plate welds, laser welds etc. weld mechanisms such as mechanism, binder bonding agency, screw joint, anchor clamps clamping joint.In addition, it is the 4th rapid assembly device 18 that the mounting mechanism that is used to install casing component 7 and fuel measurement meter 12 (specifically meter body 95) does not limit, the resin that can adopt also that vibration welds, hot plate welds, laser welds etc. weld mechanisms such as mechanism, binder bonding agency, screw engage, anchor clamps grip.

Claims (18)

1. a fuel pump components is assembled petrolift and is formed on installation component, and above-mentioned installation component can be installed on the fuel tank and have the inside and outside communication portion of fuel tank that is communicated with; Above-mentioned petrolift is configured in fuel supply also that this fuel tank is interior in the above-mentioned fuel tank outside fuel tank, it is characterized in that,

Above-mentioned installation component has the main component that constitutes its main body and is combined on this main component and part or all the communication portion that forms above-mentioned communication portion forms member.

2. fuel pump components according to claim 1 is characterized in that,

The communication portion of above-mentioned installation component is used to circulate the pipe arrangement portion of fuel.

3. fuel pump components according to claim 1 is characterized in that,

The communication portion of above-mentioned installation component is the connector portion with the tenminal block that is used to switch on.

4. according to each described fuel pump components in the claim 1 to 3, it is characterized in that,

It is by resin manufacture that the main component of above-mentioned installation component and communication portion form member.

5. fuel pump components according to claim 4 is characterized in that,

It is the mechanism that welds of resin that aforementioned body member and above-mentioned communication portion are formed the combining mechanism that member combines.

6. according to each described fuel pump components in the claim 1 to 3, it is characterized in that,

It is rapid assembly device that aforementioned body member and above-mentioned communication portion are formed the combining mechanism that member combines.

7. according to each described fuel pump components in the claim 1 to 3, it is characterized in that,

Main component to above-mentioned installation component can be selectively in conjunction with the different multiple the opposing party's member of specification with the arbitrary member among communication portion forms member.

8. an installation component can be installed in and divide on two space dividing members, and has the communication portion that is communicated with two spaces; It is characterized in that,

Have the main component that constitutes its main body and be combined on this main component and part or all the communication portion that forms above-mentioned communication portion forms member.

9. installation component according to claim 8 is characterized in that,

It is by resin manufacture that aforementioned body member and above-mentioned communication portion form member.

10. installation component according to claim 9 is characterized in that,

It is the mechanism that welds of resin that aforementioned body member and above-mentioned communication portion are formed the combining mechanism that member combines.

11. according to Claim 8 or 9 described installation components, it is characterized in that,

It is rapid assembly device that aforementioned body member and above-mentioned communication portion are formed the combining mechanism that member combines.

12. each described installation component in 10 is characterized in that according to Claim 8,

Aforementioned body member and above-mentioned communication portion are formed arbitrary member among the member, can be selectively in conjunction with the different multiple the opposing party's member of specification.

13. according to each described fuel pump components in the claim 1 to 3, it is characterized in that,

Form between the member in the main component of above-mentioned installation component and above-mentioned communication portion and to be provided with rotation preventive mechanism, this rotation preventive mechanism can be in the direction engaging that mutually combines, and can circumferentially select clamped position.

14. fuel pump components according to claim 13 is characterized in that,

Above-mentioned rotation preventive mechanism is located on the opposing end surface at the main component of above-mentioned installation component and the circular joining portion separately that above-mentioned communication portion forms member.

15. fuel pump components according to claim 14 is characterized in that,

Forming above-mentioned rotation preventive mechanism with the straight line with the orthogonal axe at joining portion is the line symmetry shape of benchmark.

16. each described installation component in 10 is characterized in that according to Claim 8,

Be provided with rotation preventive mechanism between aforementioned body member and communication portion formation member, this rotation preventive mechanism can engage in the direction that mutually combines, and can circumferentially select clamped position.

17. installation component according to claim 16 is characterized in that,

Above-mentioned rotation preventive mechanism is located at aforementioned body member and communication portion to be formed on the opposing end surface at circular joining portion separately of member.

18. installation component according to claim 17 is characterized in that,

Forming above-mentioned rotation preventive mechanism with the straight line with the orthogonal axe at joining portion is the line symmetry shape of benchmark.

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