CN105649843A - Fuel supply device - Google Patents
Fuel supply device Download PDFInfo
- Publication number
- CN105649843A CN105649843A CN201510870994.7A CN201510870994A CN105649843A CN 105649843 A CN105649843 A CN 105649843A CN 201510870994 A CN201510870994 A CN 201510870994A CN 105649843 A CN105649843 A CN 105649843A
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- CN
- China
- Prior art keywords
- petrolift
- cylinder portion
- fuel
- strainer
- buckle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The invention provides a fuel supply device. When a buckle-type mechanism is used for connecting a filter configured in a fuel storage chamber in a housing with a fuel pump, the increasing in the radial directon of the fuel supply deivce is prevented. A pump side connecting pipe (28) integrally comprising a longitudinal barrel part (28a) and a transvers barrel part (28b) protruding out from the longitudinal barrel part (28a) to the side part is connected with the fuel pump (15) and is arranged below the fuel pump (15). A filter side connecting pipe (30) is fitted to a side end portion of a filter (31) of the transvers barrel part (28b) in a projection plane of the fuel pump (15) as seen in a top view. The buckle-type mechanism (32) arranged between the filter side connecting pipe (30) and the transvers barrel part (28b) to maintain the fitting state is at least partially arranged in the projection of the fuel pump (15) as seen in a top view, and the buckle-type mechanism (32) is arranged between the lower surface of the fuel pump (15) and a bottom wall (18) as seen in a side view.
Description
Technical field
The present invention relates generally to the fuel feed device of the supply fuel of the Fuelinjection nozzle to engine, particularly relate to the improvement of a kind of fuel feed device, this fuel feed device is provided with installation flange on housing, the periphery wall that described housing has the tubular in the opening portion run through and be inserted on the base plate being located at fuel container and the diapire that the bottom of this periphery wall is closed, described installation flange is arranged on described base plate and stretches out laterally from described periphery wall, and, it is accommodated with petrolift in described housing, being formed between described petrolift and the internal surface of described periphery wall can the bunkering room of storing fuel, the strainer being configured in described bunkering indoor is connected with described fuel pump intake.
Background technology
By the known following such fuel feed device of patent documentation 1: petrolift is accommodated in housing in the way of forming bunkering room between the internal surface of the periphery wall of the part being formed housing, and filter deployment is indoor at described bunkering.
Prior art literature
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2010-1761 publication
Summary of the invention
Invent problem to be solved
In fuel feed device disclosed in above-mentioned patent documentation 1, fuel pump intake is connected by being pressed into strainer side linking conduit, must use instrument etc., can not simply change strainer when dismantling strainer from petrolift. Easily petrolift it is connected with strainer if used and releases the buckle-type mechanism connected, then easily dismantling, it may be desirable to avoid causing fuel feed device to become big diametrically because using this buckle-type mechanism.
The present invention completes in view of this situation, when its object is to the strainer in the bunkering room being configured in housing to connect and petrolift and use buckle-type mechanism, avoids fuel feed device to become big diametrically.
For solving the means of problem
In order to achieve the above object, the present invention is a kind of fuel feed device, this fuel feed device is provided with installation flange on housing, the periphery wall that described housing has the tubular in the opening portion run through and be inserted on the base plate being located at fuel container and the diapire that the bottom of this periphery wall is closed, described installation flange is arranged on described base plate and stretches out laterally from described periphery wall, and, described housing is accommodated with petrolift, being formed between described petrolift and the internal surface of described periphery wall can the bunkering room of storing fuel, the strainer being configured in described bunkering indoor is connected with described fuel pump intake, the 1st of described fuel feed device is characterised in that, the tail pipe forming described suction port is given prominence to downwards from the lower surface of described petrolift, the pump side linking conduit integratedly with the longitudinal cylinder portion extended up and down and the horizontal cylinder portion outstanding to side from this longitudinal direction cylinder portion makes the upper end in described longitudinal cylinder portion be connected with described tail pipe, and this pump side linking conduit is configured in the lower section of described petrolift, in the projection plane of the described petrolift of the end, described strainer side in the strainer side linking conduit being located on described strainer and described horizontal cylinder portion when top view chimeric, the buckle-type mechanism maintaining this chimerism is located between described strainer side linking conduit and described horizontal cylinder portion, the described buckle-type mechanism being configured in the projection plane of described petrolift during top view at least partially is configured between the lower surface of described petrolift and described diapire when side-looking is observed.
In addition, the present invention is on the basis of the structure of the 1st feature, and it the 2nd is characterised in that, when top view, described buckle-type mechanism is integrally provided in the projection plane of described petrolift.
The present invention is on the basis of the 1st feature or the structure of the 2nd feature, and it the 3rd is characterised in that, described longitudinal cylinder portion and described tail pipe coaxially are configured, and the axis in described horizontal cylinder portion is configured to when top view the axis by described petrolift.
On the basis of any one of the present invention in the structure of the 1st��3rd feature, it the 4th is characterised in that, be provided with in the bottom in described longitudinal cylinder portion the described diapire with described housing to connect to meeting portion.
And, on the basis of any one of the present invention in the structure of the 1st��4th feature, it the 5th is characterised in that, described petrolift is clamped and is supported between described housing and upper body, and this upper body links by other buckle-type mechanisms and described housing being different from described buckle-type mechanism.
The effect of invention
The 1st feature according to the present invention, pump side linking conduit is chimeric with strainer side linking conduit, and this chimerism is maintained by buckle-type mechanism, and therefore the replacing operation of strainer becomes easy. And, the fitting portion of pump side linking conduit and strainer side linking conduit and buckle-type mechanism are configured in the projection plane of petrolift when top view at least partially, when side-looking is observed, it is configured with buckle-type mechanism between the lower surface and the diapire of housing of petrolift, therefore, can effectively utilize the space between the lower surface of petrolift and the diapire of housing, chimeric pump side linking conduit and strainer side linking conduit also configure buckle-type mechanism such that it is able to avoid fuel feed device to become big diametrically. Strainer side linking conduit can be shortened in addition, therefore, it is possible to reduce the cost as the strainer changing part.
In addition, according to the 2nd feature of the present invention, in the projection plane of petrolift when buckle-type mechanism is integrally provided in top view, consequently, it is possible to make the more miniaturization diametrically of fuel feed device.
The 3rd feature according to the present invention, longitudinal cylinder portion of pump side linking conduit is coaxial with tail pipe, and the axis in horizontal cylinder portion is configured to when top view by the axis of petrolift, therefore, in the projection plane of the petrolift when top view can long landform transversely cylinder portion, thus easily buckle-type mechanism is configured in described projection plane.
The 4th feature according to the present invention, be located at longitudinal cylinder portion bottom to the diapire meeting portion and housing to connecing, therefore, it is possible to simple structure supporting fuel pump from below.
In addition according to the 5th feature of the present invention, petrolift is sandwiched between the housing interconnected by buckle-type mechanism and upper body, therefore by releasing the link of housing and upper body, right petrolift and strainer is easily made to depart from from housing, it is possible to easily to carry out the connection of pump side linking conduit and strainer side linking conduit and release connecting.
Accompanying drawing explanation
The longitudinal section of the fuel feed device of the state that Fig. 1 is mounted on the base plate of fuel container.
Fig. 2 is the exploded perspective view of fuel feed device.
Fig. 3 is the figure that 3 directions of arrow from Fig. 1 observe the connection state of petrolift and strainer.
Fig. 4 is the stereographic map of the state (b) after contrast illustrates state (a) that pump side linking conduit is connected to petrolift and pump side linking conduit and strainer side linking conduit is connected when eliminating strainer.
Label explanation
11: fuel container;
11a: the base plate of fuel container;
13: housing;
14: upper body;
15: petrolift;
16: opening portion;
17: periphery wall;
18: diapire;
21: flange is installed;
24: bunkering room;
26: suction port;
27: tail pipe;
28: pump side linking conduit;
28a: longitudinal cylinder portion;
28b: horizontal cylinder portion;
28c: to meeting portion;
30: strainer side linking conduit;
31: strainer;
32: buckle-type mechanism;
55: other buckle-type mechanisms;
C: the axis in horizontal cylinder portion;
CP: the axis of petrolift.
Embodiment
While embodiments of the present invention are described by Fig. 1��Fig. 4 with reference to accompanying drawing, first in FIG, the fuel feed device 12 of the fuel being provided with in the Fuelinjection nozzle to engine (not shown) supply fuel container 11 on the base plate 11a of fuel container 11 being assemblied in vehicle.
This fuel feed device 12 possesses: the housing 13 of the synthetic resins being arranged on the base plate 11a of fuel container 11; The upper body 14 of the synthetic resins linked with this housing 13 and be configured in fuel container 11; And the petrolift 15 remained between described housing 13 and described upper body 14.
In conjunction with reference to Fig. 2, housing 13 has with forming as one: the periphery wall 17 of tubular, and it runs through in the opening portion 16 being inserted on the base plate 11a being located at fuel container 11; Diapire 18, it closes the bottom of this periphery wall 17; And one to pump retaining wall 19, they erect from described diapire 18 in the inner side of described periphery wall 17.
Being provided with integratedly on described periphery wall 17 and install flange 21, this installation flange 21 is arranged on the lower surface of the described base plate 11a of described fuel container 11 by the sealing element 20 of ring-type, and stretches out laterally from the axis centre portion of described periphery wall 17. In addition, taking out, at the fuel more outstanding to side than the described base plate 11a of described fuel container 11 position on the lower, the bottom that pipe 22 is located at described periphery wall 17 integratedly, fuel takes out pipe 22 from this fuel and supplies to the Fuelinjection nozzle of not shown engine. In addition, it is connected with this fuel taking-up pipe 22 and erects in the way of being connected with the inner peripheral portion of described periphery wall 17 one from the bottom decline fuel tube 23 that described diapire 18 erects and be arranged on described diapire 18.
It is circular arc shape that one pair of described pump retaining wall 19 is formed as cross section shape, and configures in the way of forming the sidewall opposite each other of imaginary circles cylinder, and petrolift 15 is embedding dress, the inner circumferential that remains on these pump retaining wall 19 from top. That is, the bottom of petrolift 15 can be accommodated in described housing 13 in the way of the bunkering room 24 of storing fuel to be formed between the internal surface of described periphery wall 17. In addition, described periphery wall 17 is formed with the otch 25 being received in described bunkering room 24 by the fuel in fuel container 11.
Described petrolift 15 has the tail pipe 27 given prominence in the way of forming suction port 26 from the lower surface of described petrolift 15 downwards, and this tail pipe 27 is pressed into the top of pump side linking conduit 28.
In conjunction with reference to Fig. 3, described pump side linking conduit 28 possesses longitudinal cylinder portion 28a and horizontal cylinder portion 28b integratedly and is formed as roughly T-shaped, described longitudinal cylinder portion 28a and described tail pipe 27 coaxially vertically extend, and press-in has described tail pipe 27 on top, described horizontal cylinder portion 28b is outstanding to centre portion to side from the upper and lower of this longitudinal direction cylinder portion 28a, it is formed with roughly T-shaped suction passage 29 in this pump side linking conduit 28, this suction passage 29 makes the top that its one end is communicated to described suction port 26 and coaxially is configured in described longitudinal cylinder portion 28a, and the other end side coaxially is configured in described horizontal cylinder portion 28b.
Further, be provided with in the bottom of described longitudinal cylinder portion 28a the described diapire 18 with described housing 13 to connect to meeting portion 28c. In addition, the axis C of described horizontal cylinder portion 28b is configured to when top view the axis CP by described petrolift 15.
Under the state of nature not adding external force for flat strainer 31 along described periphery wall 17 round and smooth be configured in described bunkering room 24, the strainer side linking conduit 30 that this strainer 31 has is chimeric with the leading section of the horizontal cylinder portion 28b in described pump side linking conduit 28. That is, the described strainer 31 being configured in bunkering room 24 is connected with the suction port 26 of pump side linking conduit 28 with described petrolift 15 through filter side linking conduit 30.
In addition, described strainer 31 is formed as bag-shaped by filter material, and the resin component 33 exporting 34 and being configured in strainer 31 forming this strainer 31 is bonded with each other by ultrasonic welding when the described filter material of clamping each other with described strainer side linking conduit 30.
The end of described strainer 31 side of the horizontal cylinder portion 28b in described pump side linking conduit 28 is provided with flange part 28d and staged cylindrical portion 28e integratedly, described flange part 28d stretches out laterally, described staged cylindrical portion 28e is formed in the way of dividing two stages to diminish towards described strainer 31 side diameter, gives prominence to from described flange part 28d and forms the part of described suction passage 29. On the other hand, it is formed with embedded hole 35 at described strainer side linking conduit 30, described embedded hole 35 is fitted together to for described staged cylindrical portion 28e and coaxially is connected with described outlet 34, between the periphery that the sealing element 36 of ring-type assigns into described staged cylindrical portion 28e and the inner circumferential of described embedded hole 35.
In the projection plane of the end of described strainer 31 side of described horizontal cylinder portion 28b and the described strainer side linking conduit 30 described petrolift 15 when top view chimeric, the chimerism of this transverse direction cylinder portion 28b and described strainer side linking conduit 30 is maintained by the 1st buckle-type mechanism 32.
In conjunction with reference to Fig. 4, elasticity engagement pawl 38,39 is made up of by described 1st buckle-type mechanism 32 locking axle portion 37 and, two positions, place of the interval in the circumferential of the described flange part 28d of the described horizontal cylinder portion 28b that described locking axle portion 37 is located in described pump side linking conduit 28, elasticity engagement pawl 38,39 is located on described strainer side linking conduit 30 by described one in the way of closing with this locking axle portion 37 elasticity card.
As shown in (a) of Fig. 4, described locking axle portion 37 extends and projecting on described flange part 28d integratedly on the direction of the axis along described horizontal cylinder portion 28b, forms the teat 37a that oriented side is outstanding in the leading section in this locking axle portion 37. On the other hand, as shown in (b) of Fig. 4, the base end part of described elasticity engagement pawl 38,39 connects the periphery being arranged on described strainer side linking conduit 30 integratedly, and described elasticity engagement pawl 38,39 is formed as extending along outer circumference circumference side (side shown in the arrow 71 of Fig. 4) of this strainer side linking conduit 30. Length direction centre portion inner circumferential in this elasticity engagement pawl 38,39 is integrally formed with claw 38a, 39a, this claw 38a, 39a closing with described locking axle portion 37 elasticity card between described teat 37a and described flange part 28d in described locking axle portion 37.
In such 1st buckle-type mechanism 32, when described horizontal cylinder portion 28b is chimeric with described strainer side linking conduit 30, utilize described strainer side linking conduit 30 relative to the circumferential relative movement of described horizontal cylinder portion 28b, the state of chimerism can kept to switch between chimeric state with releasing, if when the described flange part 28d making described strainer side linking conduit 30 be connected to described horizontal cylinder portion 28b, described strainer side linking conduit 30 is relatively rotated to circumference side (side shown in the arrow 71 of Fig. 4) relative to described horizontal cylinder portion 28b, then the described locking axle portion 37 of described horizontal cylinder portion 28b makes described elasticity engagement pawl 38, 39 bend and enter this elasticity engagement pawl 38, between 39 and the periphery of described strainer side linking conduit 30, described claw 38a, 39a and described locking axle portion 37 elasticity card close, thus maintain described horizontal cylinder portion 28b and the chimerism of described strainer side linking conduit 30.In addition, when releasing the chimerism of described horizontal cylinder portion 28b and described strainer side linking conduit 30, by making elasticity engagement pawl 38,39 expand the fastening state releasing described claw 38a, 39a and described locking axle portion 37 laterally, and described strainer side linking conduit 30 is relatively rotated to another side of circumference (side shown in the arrow 72 of Fig. 4) relative to described horizontal cylinder portion 28b, thus can dismantle described strainer side linking conduit 30 from described horizontal cylinder portion 28b.
Described 1st buckle-type mechanism 32 is configured in the projection plane of described petrolift 15 at least partially when top view, and between the lower surface that described 1st buckle-type mechanism 32 is configured in described petrolift 15 when side-looking is observed and described diapire 18, in the present embodiment, described 1st buckle-type mechanism 32 entirety is configured in when top view in the projection plane of described petrolift 15.
The vapour-discharge tube 41 discharging the steam produced in this petrolift 15 it is connected with in the lower surface of described petrolift 15. This vapour-discharge tube 41 extends upward along the side of petrolift 15, and end is attached to the cartridge filter 42 of open upper end thereon. In addition, vapour-discharge tube 41 has large-diameter portion 41a integratedly in the lower section of cartridge filter 42, is provided with throttle orifice (not shown) at this large-diameter portion 41a.
It is integrally formed with in described upper body 14: one to chimeric wall 43, and its cross section is in the arc-shaped; Vent pipe accommodation tube 44, it connects to get up by between a sidepiece of these chimeric walls 43; The setter holding cylinder 45 of cylinder shape; The reinforcement cylinder 46 of cylinder shape, its in whole length range substantially around this setter holding cylinder 45 and connect between the other side of two chimeric walls 43; Multiple linking part 47, they link up between described setter holding cylinder 45 and described reinforcement cylinder 46; Top decline fuel tube 48, it is connected with a sidepiece of vent pipe accommodation tube 44; And cover cylinder 49, its sidepiece declining fuel tube 48 with this top is connected.
Described top decline fuel tube 48 and setter holding cylinder 45 are configured in the both sides of vent pipe accommodation tube 44, and the connection fuel tube 50 configured to linearly and level in the way of connecting top decline fuel tube 48, setter holding cylinder 45 and vent pipe accommodation tube 44 is formed on upper body 14. At the boss 51 that end is connected with described reinforcement cylinder 46 is connected of described setter holding cylinder 45 side of this connection fuel tube 50, make described top decline fuel tube 48, the top of described vent pipe accommodation tube 44 and described setter holding cylinder 45 is connected and one end is formed in the inside of described connection fuel tube 50 at the communicating aperture 52 of described boss 51 place opening, the opening portion in the described boss 51 of described communicating aperture 52 by cock body 53 fluid tight close.
One pair of described chimeric wall 43 is configured to form the mutually opposing sidewall of imaginary circles cylinder, its underpart is chimeric with the periphery of the minor diameter part 15a on the top of petrolift 15, and chimeric with the inner circumferential of described pump retaining wall 19, link with described pump retaining wall 19 by being different from other buckle-type mechanisms i.e. the 2nd buckle-type mechanism 55 of described 1st buckle-type mechanism 32. Further, pump retaining wall 19 keeps petrolift 15 collaboratively with chimeric wall 43.
Described 2nd buckle-type mechanism 55 possesses: one to elasticity sheet 56, its upper end having locking hole 57 and being located at one pair of pump retaining wall 19; And multiple locking pawl 58, they are located at the outer side of described chimeric wall 43 with described locking hole 57 card in the way of closing.
One, the upper end of described pump retaining wall 19 being connected with pair of elasticity sheet 56 respectively integratedly, the outer side of elasticity sheet 56 with described chimeric wall 43 one is contacted by this, and extends to than chimeric wall 43 position by the top. Therefore, the center axis that two groups of elasticity sheets 56 clip petrolift 15 configures putting, and is provided with locking hole 57 in the upper end of each elasticity sheet 56. Each elasticity sheet 56 can overcome self elastic force and to lateral bend outside radius direction. On the other hand, described chimeric wall 43 outer side integratedly projecting have can with described multiple locking hole 57 card close multiple locking pawls 58.
If making one described chimeric wall 43 is embedded in the inner circumferential of pump retaining wall 19 and the periphery of petrolift 15, then each elasticity sheet 56 by locking pawl 58 to lateral bend outside radius direction, when maintaining petrolift 15 by chimeric wall 43 with pump retaining wall 19, locking pawl 58 is consistent with locking hole 57, elasticity sheet 56 reverts to the outer side with chimeric wall 43 contact because of its elastic force, and thus locking pawl 58 and locking hole 57 can block conjunction automatically mutually. In addition, when the card releasing the 2nd buckle-type mechanism 55 closes, make whole elasticity sheet 56 1 lateral bend outside radius direction in the same way, locking hole 57 is departed from from locking pawl 58.
In order to limit the one of the circular arc shape that elasticity sheet 56 contacts to lateral bend outside radius direction with the middle portion outer side of elasticity sheet 56, limiting wall 60 is integrally formed in upper body 14. The limiting wall 60 contacted with the middle portion outer side of elasticity sheet 56 leaves downwards from locking pawl 58, therefore, allows that elasticity sheet 56 is to lateral bend outside radius direction such that it is able to release the 2nd buckle-type mechanism 55.
Vent pipe 61 is outstanding from the upper end of described petrolift 15, and this vent pipe 61 is embedded in the inner circumferential of described vent pipe accommodation tube 44 fluid tightly. In addition, decline fuel tube 48 in top is embedded in the upper end of described bottom decline fuel tube 23 fluid tightly. Thus, the fuel discharged from the vent pipe 61 of petrolift 15 is supplied to fuel from communicating aperture 52 by top decline fuel tube 48 and bottom decline fuel tube 23 and takes out pipe 22.
In addition, the urceolus 62a of pressure-regulator 62 is pressed into the inner circumferential of setter holding cylinder 45, and by being cut a hole the bottom of this setter holding cylinder 45 tightly to the inside, described urceolus 62a is fixed. The overpressure of the fuel discharged to communicating aperture 52 from the vent pipe 61 of petrolift 15 is discharged by this pressure-regulator 62 in fuel container 11, is adjusted to prescribed value by taking out, from fuel, the fuel pressure that pipe 22 supplies to Fuelinjection nozzle.
Cover cylinder 49 covers the cartridge filter 42 of described vapour-discharge tube 41, and chimeric with the periphery of large-diameter portion 41a. Further, the steam discharged from petrolift 15 to vapour-discharge tube 41 moves from cartridge filter 42 or its upper opening portion to cover cylinder 49, is discharged in fuel container 11 by the throttle orifice of large-diameter portion 41a. When being negative pressure in vapour-discharge tube 41, it is interior until certain level that the fuel in fuel container 11 flows into cover cylinder 49 from throttle orifice, is sucked by petrolift 15 after being filtered by cartridge filter 42.
As shown in Figure 2, the arm 64 adjacent with the side of described boss 51 is stretched out from the side level of described reinforcement cylinder 46, is provided with level sensor 65 in the leading section of this arm 64. Being linked with on the rotor 65a of this level sensor 65 and swing arm 67, this swing arm 67 floats on the float 66 on the level of fuel in fuel container 11 by leading section supporting.
When owing to making the level of fuel in fuel container 11 lifting the fuel consumption of the supply of the fuel of fuel container 11 or engine, described float 66 is correspondingly lifting, therefore, the level change of level of fuel is passed to level sensor 65 as the swing angle swinging arm 67, and level sensor 65 exports liquid level signal to not shown display portion.
Configure when fuel feed device 12 is installed on fuel container 11 to be located at the bottom of periphery wall 17 of described housing 13 in the way of outstanding to side integratedly than the base plate 11a of this fuel container 11 junctor 68 on the lower, in this junctor 68, it is configured with the terminal 69 of described petrolift 15 and the terminal 70 of described level sensor 65.
Then the effect of present embodiment is described, the housing 13 forming the part of fuel feed device 12 and be arranged on the base plate 11a of fuel container 11 has the periphery wall 17 of tubular and closes the diapire 18 of the bottom of this periphery wall 17, described housing 13 is accommodated with petrolift 15, being formed between described petrolift 15 and the internal surface of described periphery wall 17 can the bunkering room 24 of storing fuel, the strainer 31 being connected with the suction port 26 of described petrolift 15 is configured in described bunkering room 24, but the tail pipe 27 forming described suction port 26 is given prominence to downwards from the lower surface of described petrolift 15, there is longitudinal cylinder portion 28a integratedly that extend up and down and the pump side linking conduit 28 from this longitudinal direction cylinder portion 28a horizontal cylinder portion 28b outstanding to side makes the upper end of described longitudinal cylinder portion 28a be connected with described tail pipe 27, and this pump side linking conduit 28 is configured in the lower section of described petrolift 15, in the projection plane of the described petrolift 15 of the end, described strainer 31 side of the strainer side linking conduit 30 being located on described strainer 31 and described horizontal cylinder portion 28b when top view chimeric, the 1st buckle-type mechanism 32 maintaining this chimerism is located between described strainer side linking conduit 30 and described horizontal cylinder portion 28b, between the lower surface that the described 1st buckle-type mechanism 32 being configured in the projection plane of described petrolift 15 when top view at least partially is configured in described petrolift 15 when side-looking is observed and described diapire 18, therefore, can effectively utilize the space between the lower surface of petrolift 15 and the diapire 18 of housing 13, by chimeric with strainer side linking conduit 30 for pump side linking conduit 28 and configure the 1st buckle-type mechanism 32, it is thus possible to avoid fuel feed device 12 to become big diametrically. in addition can shorten strainer side linking conduit 30, therefore be conducive to reducing the cost as the strainer 31 changing part.
In addition, described 1st buckle-type mechanism 32 entirety is configured in when top view in the projection plane of described petrolift 15, accordingly, it may be possible to make fuel feed device 12 more miniaturization diametrically.
In addition, described longitudinal cylinder portion 28a and the described tail pipe 27 of described pump side linking conduit 28 coaxially configure, the axis C of described horizontal cylinder portion 28b by when top view by the axis CP of described petrolift 15 in the way of configure, therefore, in the projection plane of the petrolift 15 when top view can long landform transversely cylinder portion 28b, thus easily the 1st buckle-type mechanism 32 is configured in described projection plane.
In addition, be provided with in the bottom of described longitudinal cylinder portion 28a the described diapire 18 with described housing 13 to connect to meeting portion 28c, therefore, it is possible to simple structure supporting fuel pump 15 from below.
And, described petrolift 15 is clamped and is supported between described housing 13 and upper body 14, this upper body 14 is linked with described housing 13 by the 2nd buckle-type mechanism 55, therefore by releasing the link of housing 13 with upper body 14, petrolift 15 and strainer 31 is easily made to depart from from housing 13, it is possible to easily to carry out the connection of pump side linking conduit 28 with strainer side linking conduit 30 and release connecting.
Above, embodiments of the present invention are illustrated, but the present invention is not limited to above-mentioned enforcement mode, it is possible to when do not depart from described in claim book of the present invention carry out various design and change.
Claims (5)
1. a fuel feed device, this fuel feed device is provided with on housing (13) installs flange (21), the periphery wall (17) that described housing (13) has the tubular in the opening portion (16) on the base plate (11a) running through and being inserted into and be located at fuel container (11) and the diapire (18) that the bottom of this periphery wall (17) is closed, described installation flange (21) is arranged on described base plate (11a) and above and stretches out laterally from described periphery wall (17), and, described housing (13) is accommodated with petrolift (15), being formed between described petrolift (15) and the internal surface of described periphery wall (17) can the bunkering room (24) of storing fuel, the strainer (31) being configured in described bunkering room (24) is connected with the suction port (26) of described petrolift (15),
This fuel feed device is characterised in that,
The tail pipe (27) forming described suction port (26) is given prominence to downwards from the lower surface of described petrolift (15), pump side linking conduit (28) integratedly with the longitudinal cylinder portion (28a) extended up and down and the horizontal cylinder portion (28b) outstanding to side from this longitudinal direction cylinder portion (28a) makes the upper end of described longitudinal cylinder portion (28a) be connected with described tail pipe (27), and this pump side linking conduit (28) is configured in the lower section of described petrolift (15), in the projection plane of the described petrolift (15) of described strainer (31) end, side of strainer side linking conduit (30) being located on described strainer (31) and described horizontal cylinder portion (28b) when top view chimeric, the buckle-type mechanism (32) maintaining this chimerism is located between described strainer side linking conduit (30) and described horizontal cylinder portion (28b), the described buckle-type mechanism (32) being configured in the projection plane of described petrolift (15) during top view at least partially is configured in when side-looking is observed between the lower surface of described petrolift (15) and described diapire (18).
2. fuel feed device according to claim 1, it is characterised in that,
When top view, described buckle-type mechanism (32) is integrally provided in the projection plane of described petrolift (15).
3. fuel feed device according to claim 1 and 2, it is characterised in that,
Described longitudinal cylinder portion (28a) and described tail pipe (27) coaxially are configured, and the axis (C) of described horizontal cylinder portion (28b) is configured to when top view by the axis (CP) of described petrolift (15).
4. fuel feed device according to claim 1 and 2, it is characterised in that,
Be provided with in the bottom of described longitudinal cylinder portion (28a) the described diapire (18) with described housing (13) to connect to meeting portion (28c).
5. fuel feed device according to claim 1 and 2, it is characterised in that,
Described petrolift (15) is clamped and is supported between described housing (13) and upper body (14), and this upper body (14) links with described housing (13) by other buckle-type mechanisms (55) being different from described buckle-type mechanism (32).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014244061A JP6407687B2 (en) | 2014-12-02 | 2014-12-02 | Fuel supply device |
| JP2014-244061 | 2014-12-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105649843A true CN105649843A (en) | 2016-06-08 |
| CN105649843B CN105649843B (en) | 2018-07-24 |
Family
ID=56121950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510870994.7A Active CN105649843B (en) | 2014-12-02 | 2015-12-02 | Fuel supply system |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6407687B2 (en) |
| CN (1) | CN105649843B (en) |
| BR (1) | BR102015029524B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114248864A (en) * | 2020-09-23 | 2022-03-29 | 本田技研工业株式会社 | Fuel pump unit cover and method of mounting the same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6723898B2 (en) * | 2016-11-04 | 2020-07-15 | 愛三工業株式会社 | Fuel supply device |
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| JP2007120311A (en) * | 2005-10-25 | 2007-05-17 | Aisan Ind Co Ltd | Fuel supply device |
| JP2009018306A (en) * | 2008-08-22 | 2009-01-29 | Nifco Inc | Filter device for fuel |
| JP2010001761A (en) * | 2008-06-18 | 2010-01-07 | Aisan Ind Co Ltd | Fuel feeder |
| JP2013199914A (en) * | 2012-03-26 | 2013-10-03 | Keihin Corp | Fuel pump module for engine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5792445B2 (en) * | 2010-09-09 | 2015-10-14 | 株式会社ケーヒン | Fuel filter mounting structure |
| JP5661402B2 (en) * | 2010-09-29 | 2015-01-28 | 株式会社ケーヒン | Fuel filter mounting structure |
| JP5543396B2 (en) * | 2011-03-10 | 2014-07-09 | 愛三工業株式会社 | Fuel supply device |
| JP5917419B2 (en) * | 2013-01-15 | 2016-05-11 | 愛三工業株式会社 | Fuel filter mounting structure |
-
2014
- 2014-12-02 JP JP2014244061A patent/JP6407687B2/en active Active
-
2015
- 2015-11-25 BR BR102015029524-3A patent/BR102015029524B1/en active IP Right Grant
- 2015-12-02 CN CN201510870994.7A patent/CN105649843B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007120311A (en) * | 2005-10-25 | 2007-05-17 | Aisan Ind Co Ltd | Fuel supply device |
| JP2010001761A (en) * | 2008-06-18 | 2010-01-07 | Aisan Ind Co Ltd | Fuel feeder |
| JP2009018306A (en) * | 2008-08-22 | 2009-01-29 | Nifco Inc | Filter device for fuel |
| JP2013199914A (en) * | 2012-03-26 | 2013-10-03 | Keihin Corp | Fuel pump module for engine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114248864A (en) * | 2020-09-23 | 2022-03-29 | 本田技研工业株式会社 | Fuel pump unit cover and method of mounting the same |
| CN114248864B (en) * | 2020-09-23 | 2023-09-19 | 本田技研工业株式会社 | Fuel pump unit cover and method of installing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2016108953A (en) | 2016-06-20 |
| BR102015029524B1 (en) | 2022-01-11 |
| BR102015029524A2 (en) | 2016-08-09 |
| JP6407687B2 (en) | 2018-10-17 |
| CN105649843B (en) | 2018-07-24 |
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