CN105649843B - Fuel supply system - Google Patents
Fuel supply system Download PDFInfo
- Publication number
- CN105649843B CN105649843B CN201510870994.7A CN201510870994A CN105649843B CN 105649843 B CN105649843 B CN 105649843B CN 201510870994 A CN201510870994 A CN 201510870994A CN 105649843 B CN105649843 B CN 105649843B
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- CN
- China
- Prior art keywords
- petrolift
- canister portion
- fuel
- filter
- buckle
- Prior art date
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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 present invention provides a kind of fuel supply system, in order to connect the filter in fuel-storage cell of the configuration in shell and petrolift when using buckle-type mechanism, fuel supply system is avoided to become larger radially.It is provided integrally with longitudinal canister portion (28a) and is connect from the longitudinal direction canister portion (28a) to the pump side connecting conduit (28) of side lateral canister portion (28b) outstanding with petrolift (15), and it is configured in the lower section of petrolift (15), it is chimeric in the perspective plane of petrolift (15) of the filter side connecting conduit (30) with filter (31) side end of the lateral canister portion (28b) in plan view, the at least part for maintaining the chimerism and being located at the buckle-type mechanism (32) between filter side connecting conduit (30) and lateral canister portion (28b) is configured in plan view in the perspective plane of petrolift (15), when side view is observed, buckle-type mechanism (32) configuration is between the lower surface of petrolift (15) and bottom wall (18).
Description
Technical field
The invention mainly relates to the fuel supply systems that fuel is supplied to the fuel injection valve of engine, more particularly to one kind
The improvement of fuel supply system, the fuel supply system are equipped with mounting flange on shell, and the shell, which has to run through, to be inserted into
The periphery wall of tubular in the opening portion on the bottom plate of fuel tank and by the closed bottom wall in the lower end of the periphery wall, it is described
Mounting flange is mounted on the bottom plate and is stretched out outward from the periphery wall, also, is accommodated with fuel in the shell
Pump forms the fuel-storage cell for capableing of storing fuel between the petrolift and the inner surface of the periphery wall, configures in institute
The filter stated in bunkering room is connect with the suction inlet of the petrolift.
Background technology
Following such fuel supply system known to patent document 1：Petrolift with the part that is constituted shell
The mode that fuel-storage cell is formed between the inner surface of periphery wall is accommodated in shell, and filter deployment is in the fuel-storage cell
It is interior.
Existing technical literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2010-1761 bulletins
Invention content
Problems to be solved by the invention
In fuel supply system disclosed in above patent document 1, suction inlet and the filter side connecting conduit of petrolift
It is connected by indentation, tool etc. must be used when dismantling filter from petrolift, cannot simply replace filter.If made
It is with the easy buckle-type mechanism for petrolift being connect and being released connection with filter, then easily disassembled, it may be desirable to avoiding because using
The buckle-type mechanism and cause fuel supply system to become larger radially.
The present invention is completed in view of the situation, and its object is in order to connect bunkering of the configuration in shell
Filter in room and petrolift and when using buckle-type mechanism, avoid fuel supply system from becoming larger radially.
Means for solving the problems
In order to achieve the above object, the present invention is a kind of fuel supply system, which is equipped on shell
Mounting flange, the shell, which has, to be run through the periphery wall for being inserted into the tubular in the opening portion on the bottom plate of fuel tank and incites somebody to action
The closed bottom wall in lower end of the periphery wall, the mounting flange are mounted on the bottom plate and are stretched outward from the periphery wall
Go out, also, petrolift is accommodated in the shell, being formed between the petrolift and the inner surface of the periphery wall can
The fuel-storage cell of storing fuel, the filter configured in the bunkering room are connect with the suction inlet of the petrolift,
The 1st of the fuel supply system is characterized in that the suction line for forming the suction inlet is downward from the lower surface of the petrolift
Side is prominent, is provided integrally with the longitudinal canister portion extended up and down and connects from the longitudinal direction canister portion to the pump side of side lateral canister portion outstanding
Connecing conduit makes the upper end of longitudinal canister portion be connect with the suction line, and the pump side connecting conduit is configured in the combustion
The lower section for expecting pump is located at the filter side end of the filter side connecting conduit and the lateral canister portion on the filter
It is fitted into the perspective plane of the petrolift in plan view, the buckle-type mechanism of the chimerism is maintained to be located at the filtering
Between device side connecting conduit and the lateral canister portion, at least part configuration is in the perspective plane of the petrolift when overlook observation
The buckle-type mechanism be configured in when side view is observed between the lower surface of the petrolift and the bottom wall.
In addition, the present invention is on the basis of the structure of the 1st feature, the 2nd is characterized in that, in plan view, the button
Box-like mechanism is integrally provided in the perspective plane of the petrolift.
On the basis of the structure of the 1st feature or the 2nd feature, the 3rd is characterized in that the present invention, the longitudinal direction canister portion and institute
It states suction line coaxially to be configured, the axis of the transverse direction canister portion is configured in plan view through the axis of the petrolift
Line.
On the basis of any one in the structure of the 1st~the 3rd feature of the present invention, the 4th is characterized in that, described vertical
The abutting part abutted with the bottom wall of the shell is equipped with to the lower end of canister portion.
Also, on the basis of any one of the present invention in the structure of the 1st~the 4th feature, the 5th is characterized in that, institute
It states petrolift to be clamped and be supported between the shell and upper body, the upper body is by different from the buckle-type machine
Other buckle-type mechanisms of structure link with the shell.
The effect of invention
1st feature according to the present invention, pump side connecting conduit is chimeric with filter side connecting conduit, which passes through
Buckle-type mechanism maintains, therefore the replacement operation of filter becomes easy.Also, pump side connecting conduit connect with filter side and leads
The fitting portion of pipe and at least part of buckle-type mechanism are configured in plan view in the perspective plane of petrolift, are seen in side view
When examining, buckle-type mechanism is configured between the lower surface of petrolift and the bottom wall of shell, therefore, it is possible to efficiently use petrolift
Lower surface and the bottom wall of shell between space, chimeric pump side connecting conduit and filter side connecting conduit simultaneously configure buckle-type
Mechanism, so as to avoid fuel supply system from becoming larger radially.It additionally is able to shorten filter side connecting conduit, therefore energy
Enough costs for reducing the filter as renewal part.
In addition, the 2nd feature according to the present invention, the projection of the petrolift of buckle-type mechanism configured in one piece in plan view
In face, thereby, it is possible to make fuel supply system smallerization radially.
3rd feature according to the present invention, the longitudinal canister portion and suction line of pump side connecting conduit are coaxial, and lateral canister portion
Axis is configured to the axis by petrolift in plan view, therefore, in the perspective plane of petrolift in plan view
Lateral canister portion can be formed longly, to be easy the configuration of buckle-type mechanism in the perspective plane.
4th feature according to the present invention, the abutting part for being located at the lower end of longitudinal canister portion are abutted with the bottom wall of shell, therefore
Can in simple structure from below supporting fuel pump.
According further to the present invention the 5th feature, petrolift be sandwiched in by buckle-type mechanism be interconnected shell with it is upper
Between portion's shell, therefore the connection by releasing shell and upper body, it is easy that right petrolift is made to be detached from from shell with filter,
It can easily be done the connection of pump side connecting conduit and filter side connecting conduit and release connection.
Description of the drawings
Fig. 1 is mounted in the longitudinal section view of the fuel supply system of the state on the bottom plate of fuel tank.
Fig. 2 is the exploded perspective view of fuel supply system.
Fig. 3 is the figure of the connection status of petrolift and filter from 3 arrow directions of Fig. 1.
Fig. 4 is that comparison shows that pump side connecting conduit is connected to the state (a) of petrolift and in the state that filter is omitted
It is lower pump side connecting conduit is connected with filter side connecting conduit after state (b) stereogram.
Label declaration
11：Fuel tank；
11a：The bottom plate of fuel tank；
13：Shell；
14：Upper body；
15：Petrolift；
16：Opening portion；
17：Periphery wall；
18：Bottom wall；
21：Mounting flange；
24：Fuel-storage cell；
26：Suction inlet；
27：Suction line；
28：Pump side connecting conduit；
28a：Longitudinal canister portion；
28b：Lateral canister portion；
28c：Abutting part；
30：Filter side connecting conduit；
31：Filter；
32：Buckle-type mechanism；
55：Other buckle-type mechanisms；
C：The axis of lateral canister portion；
CP：The axis of petrolift.
Specific implementation mode
Embodiments of the present invention will be described while with reference to Fig. 1~Fig. 4 of attached drawing, first in Fig. 1, is filling
It is installed on the bottom plate 11a of fuel tank 11 assigned in vehicle in the fuel injection valve supply fuel tank 11 (not shown) of oriented engine
Fuel fuel supply system 12.
The fuel supply system 12 has：Plastic shell 13 on the bottom plate 11a of fuel tank 11；With
The shell 13 links and configures the plastic upper body 14 in fuel tank 11；And be maintained at the shell 13 with
Petrolift 15 between the upper body 14.
In conjunction with reference to Fig. 2, shell 13 has with being formed as one：The periphery wall 17 of tubular is located at combustion through being inserted into
In opening portion 16 on the bottom plate 11a of hopper 11；Bottom wall 18 closes the lower end of the periphery wall 17；And a pair of of pump is kept
Wall 19, they are erected in the inside of the periphery wall 17 from the bottom wall 18.
Pass through cricoid seal member 20 integrally provided with mounting flange 21, the mounting flange 21 on the periphery wall 17
Mounted on the lower surface of the bottom plate 11a of the fuel tank 11, and outward from the axial middle part of the periphery wall 17
It stretches out.In addition, taking out pipe 22 1 to side fuel outstanding than the positions on the lower the bottom plate 11a of the fuel tank 11
It is located to body the lower part of the periphery wall 17, fuel takes out pipe 22 from the fuel and supplied to the fuel injection valve of engine (not shown)
It gives.In addition, with the fuel take out pipe 22 be connected to and from the lower part that the bottom wall 18 erects decline cartridge 23 with the periphery
The mode that the inner peripheral portion of wall 17 is integrally connected is provided for erecting in the bottom wall 18.
It is arc-shaped that a pair of pump keeping wall 19, which is formed as cross-sectional shape, and to constitute the right each other of virtual cylinder
The mode for the side wall set configures, and petrolift 15 is embedded in from top, is maintained at the inner circumferential of these pump keeping walls 19.That is, petrolift 15
Lower part stored in a manner of being formed between the inner surface in the periphery wall 17 and capableing of the fuel-storage cell 24 of storing fuel
In the shell 13.The fuel in fuel tank 11 is received into the bunkering in addition, being formed on the periphery wall 17
Notch 25 in room 24.
The petrolift 15 has to be protruded in a manner of forming suction inlet 26 from the following table of the petrolift 15 downwards
Suction line 27, which is pressed into the top of pump side connecting conduit 28.
In conjunction with reference to Fig. 3, the pump side connecting conduit 28 is integrally provided with longitudinal canister portion 28a and transverse direction canister portion 28b and shape
As substantially T-shaped, the longitudinal direction canister portion 28a coaxially vertically extends with the suction line 27, and top indentation
Suction line 27 is stated, the transverse direction canister portion 28b is protruded from the upper and lower directions middle part of longitudinal direction canister portion 28a to side, in the pump side
Substantially T-shaped suction passage 29 is formed in connecting conduit 28, which makes one end be connected to the sucking
Mouth 26 and the top being coaxially arranged in longitudinal canister portion 28a, and another side is coaxially arranged at the lateral canister portion
In 28b.
Also, it is equipped with the abutting abutted with the bottom wall 18 of the shell 13 in the lower end of longitudinal canister portion 28a
Portion 28c.In addition, the axis C of the transverse direction canister portion 28b is configured in plan view through the axis of the petrolift 15
CP。
It is that flat filter 31 is sleekly configured along the periphery wall 17 under natural conditions be not added with external force
In the fuel-storage cell 24, in filter side connecting conduit 30 possessed by the filter 31 and the pump side connecting conduit 28
Lateral canister portion 28b front end it is chimeric.That is, the filter 31 of the configuration in fuel-storage cell 24 connects via filter side
Conduit 30 and pump side connecting conduit 28 is connect to be connected to the suction inlet 26 of the petrolift 15.
In addition, the filter 31 is formed as bag-shaped by filter material, forms the outlet 34 of the filter 31 and configure and filtering
Resin component 33 and filter side connecting conduit 30 in device 31 in the state of being clamped the filter material by super each other
Sound wave welding is interconnected.
The end of 31 side of the filter of lateral canister portion 28b in the pump side connecting conduit 28 is integrally provided with convex
Edge 28d and staged cylindrical portion 28e, the flange part 28d stretch out outward, and the staged cylindrical portion 28e is with towards institute
The mode that 31 side diameter of filter becomes smaller in two stages is stated to be formed, it is prominent from the flange part 28d and to form the sucking logical
The part in road 29.On the other hand, it is formed with embedded hole 35 in filter side connecting conduit 30, the embedded hole 35 is for institute
It states staged cylindrical portion 28e to be fitted into and with the outlet 34 be coaxially connected, cricoid seal member 36 assigns into the ladder
Between the periphery and the inner circumferential of the embedded hole 35 of formula cylindrical portion 28e.
Sight is overlooked in the end of 31 side of the filter of the transverse direction canister portion 28b with filter side connecting conduit 30
It is fitted into the perspective plane of the petrolift 15 when examining, the Qian He of the transverse direction canister portion 28b and filter side connecting conduit 30
State is maintained by the 1st buckle-type mechanism 32.
In conjunction with reference to Fig. 4, the 1st buckle-type mechanism 32 is made of locking axle portion 37 and a pair of of elastic engaging pawl 38,39,
The locking axle portion 37 be located at the flange part 28d of the lateral canister portion 28b in the pump side connecting conduit 28 in week
Position at the two of spaced up interval, the pair of elastic engaging pawl 38,39 is in a manner of with 37 elastic engaging of locking axle portion
It is located in filter side connecting conduit 30.
As shown in (a) of Fig. 4, the locking axle portion 37 is upwardly extended in the side of the axis along the lateral canister portion 28b
And be integrally provided projectingly on the flange part 28d, it is prominent that oriented side is integrally formed in the front end of the locking axle portion 37
The protrusion 37a gone out.On the other hand, as shown in (b) of Fig. 4, the base end part of the elastic engaging pawl 38,39 is integrally connected setting
The periphery of connecting conduit 30 in the filter side, and the elastic engaging pawl 38,39 is formed as connecting along the filter side
The outer circumferential side (side shown in the arrow 71 of Fig. 4) for connecing conduit 30 extends.In the length of the elastic engaging pawl 38,39
Direction middle part inner circumferential is integrally formed with claw 38a, 39a, the protrusions of claw 38a, the 39a in the locking axle portion 37
Between 37a and the flange part 28d with 37 elastic engaging of locking axle portion.
It is embedding in the transverse direction canister portion 28b and filter side connecting conduit 30 in such 1st buckle-type mechanism 32
In the state of conjunction, the circumferentially opposed movement using filter side connecting conduit 30 relative to the lateral canister portion 28b can
It is switched between the state for keeping the state of chimerism chimeric with releasing, if making filter side connecting conduit
30 are connected in the state of the flange part 28d of the lateral canister portion 28b, make filter side connecting conduit 30 relative to
The transverse direction canister portion 28b is relatively rotated to circumferential side (side shown in the arrow 71 of Fig. 4), then the lateral canister portion 28b
The locking axle portion 37 makes the elastic engaging pawl 38,39 be bent and enters the elastic engaging pawl 38,39 and the filter side
Between the periphery of connecting conduit 30, thus described claw 38a, 39a and 37 elastic engaging of locking axle portion maintain the transverse direction
The chimerism of canister portion 28b and filter side connecting conduit 30.In addition, releasing the transverse direction canister portion 28b and the mistake
When the chimerism of filter side connecting conduit 30, the claw is released by making elastic engaging pawl 38,39 expand outward
The fastening state of 38a, 39a and the locking axle portion 37, and make filter side connecting conduit 30 relative to the lateral cylinder
Portion 28b is relatively rotated to the circumferential other side (side shown in the arrow 72 of Fig. 4), and thus, it is possible to from the lateral canister portion
28b dismantles filter side connecting conduit 30.
At least part of the 1st buckle-type mechanism 32 is configured in plan view on the perspective plane of the petrolift 15
It is interior, and the 1st buckle-type mechanism 32 is configured when side view is observed in the lower surface of the petrolift 15 and the bottom wall 18
Between, in the present embodiment, the whole throwing configured in plan view in the petrolift 15 of the 1st buckle-type mechanism 32
In shadow face.
It is connected with the vapour-discharge tube for the steam that discharge generates in the petrolift 15 in the lower face of the petrolift 15
41.The vapour-discharge tube 41 extends upward along the side of petrolift 15, and end is attached to the tubular of open upper end on it
Filter 42.In addition, vapour-discharge tube 41 is provided integrally with large-diameter portion 41a in the lower section of cartridge filter 42, in the large-diameter portion
41a is equipped with throttle orifice (not shown).
It is integrally formed in the upper body 14：The chimeric wall 43 of a pair, cross section is in the arc-shaped；Discharge pipe accommodates
These are fitted between a side of wall 43 and connect by cylinder 44；Cylindric adjuster holding cylinder 45；Cylindric reinforcement
Cylinder 46, within the scope of substantially whole length around the adjuster holding cylinder 45 and connect two chimeric walls 43 the other side it
Between；Multiple linking parts 47, they will be linked up between the adjuster holding cylinder 45 and the reinforcement cylinder 46；Top declines combustion
Expects pipe 48 is connect with a side of discharge pipe accommodation tube 44；And cover cylinder 49, decline the side of cartridge 48 with the top
Portion connects.
The top declines cartridge 48 and is configured in the both sides of discharge pipe accommodation tube 44 with adjuster holding cylinder 45, with connection
It is linearly and flatly configure that top declines cartridge 48, the mode of adjuster holding cylinder 45 and discharge pipe accommodation tube 44
Connection cartridge 50 is formed on upper body 14.End in 45 side of adjuster holding cylinder of the connection cartridge 50
Portion is connected with the boss 51 being connected with the reinforcement cylinder 46, and the top is made to decline cartridge 48, discharge pipe receiving
52 shape of intercommunicating pore that the connection of the top of cylinder 44 and the adjuster holding cylinder 45 and one end are open at the boss 51
At in the inside of the connection cartridge 50, the opening portion in the boss 51 of the intercommunicating pore 52 by cock body 53 fluid tightly
Closing.
A pair of chimeric wall 43 is configured to constitute the mutually opposed side wall of virtual cylinder, its underpart and petrolift
The periphery of the small diameter portion 15a on 15 top is chimeric, and chimeric with the pump inner circumferential of keeping wall 19, by being different from described the
Other buckle-type mechanisms of 1 buckle-type mechanism 32 i.e. the 2nd buckle-type mechanism 55 links with the pump keeping wall 19.Also, pump is protected
It holds wall 19 and collaboratively keeps petrolift 15 with chimeric wall 43.
The 2nd buckle-type mechanism 55 has：A pair of of elastic piece 56 with locking hole 57 and is located at a pair of of pump keeping wall
19 upper end；And multiple locking pawls 58, they are located at the chimeric wall 43 in a manner of engaging with the locking hole 57
Lateral surface.
It is integrally connected respectively in the upper end of a pair of pump keeping wall 19 and is provided with a pair of of elastic piece 56, a pair of bullet
Property piece 56 is contacted with the lateral surface of the chimeric wall 43, and extends to the position more against the top than chimeric wall 43.Therefore, two groups of elasticity
The central axis that piece 56 clips petrolift 15 is opposed to configure, and locking hole 57 is equipped in the upper end of each elastic piece 56.Each elasticity
Piece 56 can overcome the elastic force of itself and to outside radial direction lateral bend.On the other hand, in the lateral surface of the chimeric wall 43
Integrally it is provided projectingly the multiple locking pawls 58 that can be engaged with the multiple locking hole 57.
If a pair of chimeric wall 43 is made to be embedded in the periphery of the inner circumferential and petrolift 15 of pump keeping wall 19, each elasticity
The lateral bend by locking pawl 58 and to outside radial direction of piece 56, when maintaining petrolift 15 by chimeric wall 43 and pump keeping wall 19
When, locking pawl 58 is consistent with locking hole 57, and elastic piece 56 is reverted to because of its elastic force and contacted with the lateral surface of chimeric wall 43, by
This locking pawl 58 can be automatically mutually clamped with locking hole 57.In addition, when releasing the engaging of the 2nd buckle-type mechanism 55, make
The outer lateral bend of 56 1 radial direction in the same direction of whole elastic pieces, makes locking hole 57 be detached from from locking pawl 58.
In order to limit elastic piece 56 lateral bend and circle for being contacted with the middle part lateral surface of elastic piece 56 to outside radial direction
A pair of of limiting wall 60 of arcuation is integrally formed in upper body 14.The limiting wall contacted with the middle part lateral surface of elastic piece 56
60 leave downwards from locking pawl 58, therefore, allow the lateral bend to outside radial direction of elastic piece 56, so as to release the 2nd button
Box-like mechanism 55.
Discharge pipe 61 is protruded from the upper end of the petrolift 15, which is embedded in the discharge pipe fluid tightly
The inner circumferential of accommodation tube 44.In addition, top, which declines cartridge 48, is embedded in the upper end that the lower part declines cartridge 23 fluid tightly
Portion.Thus, cartridge 48 and lower subordinate are declined by top from the fuel that the discharge pipe 61 of petrolift 15 is discharged from intercommunicating pore 52
Drop cartridge 23 is supplied to fuel and takes out pipe 22.
In addition, the outer barrel 62a of pressure regulator 62 is pressed into the inner circumferential of adjuster holding cylinder 45, by protecting the adjuster
Holding the lower end of cylinder 45, calking, the outer barrel 62a are fixed inwardly.The pressure regulator 62 will be from the discharge pipe of petrolift 15
The overpressure of 61 fuel being discharged to intercommunicating pore 52 is discharged into fuel tank 11, and pipe 22 will be taken out from fuel to fuel injection valve
The fuel pressure of supply is adjusted to specified value.
Cover cylinder 49 covers the cartridge filter 42 of the vapour-discharge tube 41, and chimeric with the periphery of large-diameter portion 41a.And
And the steam being discharged from petrolift 15 to vapour-discharge tube 41 is moved from opening portion above cartridge filter 42 or its to cover cylinder 49
It is dynamic, it is discharged into fuel tank 11 by the throttle orifice of large-diameter portion 41a.In the case of being negative pressure in vapour-discharge tube 41, fuel
Fuel in case 11 flows into cover cylinder 49 from throttle orifice up to certain level, is inhaled by petrolift 15 after being filtered by cartridge filter 42
Enter.
As shown in Fig. 2, the sensor support arm 64 adjacent with the side of the boss 51 from it is described reinforce cylinder 46 side
It flatly stretches out, liquid level sensor 65 is installed in the front end of the sensor support arm 64.In turning for the liquid level sensor 65
Swing arm 67 is linked on sub- 65a, which floats on floating on the level of fuel in fuel tank 11 by front end bearing
Son 66.
When the fuel consumption due to fuel make up or engine to fuel tank 11 makes the fuel fluid in fuel tank 11
When face lifts, the float 66 correspondingly lifts, and therefore, the horizontal of level of fuel becomes the angle of oscillation for being turned to swing arm 67
Degree is transferred to liquid level sensor 65, and liquid level sensor 65 exports liquid level signal to display unit (not shown).
The bottom plate 11a companies on the lower than the fuel tank 11 are arranged to when fuel supply system 12 is installed on fuel tank 11
Connect device 68 by side it is outstanding in a manner of be integrally provided at the shell 13 periphery wall 17 lower part, match in the connector 68
It is equipped with the terminal 69 of the petrolift 15 and the terminal 70 of the liquid level sensor 65.
Then the effect of present embodiment is illustrated, constitute a part for fuel supply system 12 and is mounted on fuel
Shell 13 on the bottom plate 11a of case 11 has the periphery wall 17 of tubular and closes the bottom wall 18 of the lower end of the periphery wall 17,
Petrolift 15 is accommodated in the shell 13, being formed between the petrolift 15 and the inner surface of the periphery wall 17 can store
The fuel-storage cell 24 for depositing fuel, the filter 31 being connected to the suction inlet 26 of the petrolift 15 are configured in the fuel storage
It deposits in room 24, but the suction line 27 for forming the suction inlet 26 protrudes downwards from the following table of the petrolift 15, integrally
It is led with the longitudinal canister portion 28a extended up and down with being connected from longitudinal direction canister portion 28a to the pump side of side lateral canister portion 28b outstanding
Pipe 28 makes the upper end of longitudinal canister portion 28a be connect with the suction line 27, and the pump side connecting conduit 28 is configured in
The lower section of the petrolift 15 is located at the filter side connecting conduit 30 on the filter 31 with the lateral canister portion 28b's
It is fitted into the perspective plane of the petrolift 15 of 31 side end of the filter in plan view, maintains the of the chimerism
1 buckle-type mechanism 32 is located between filter side connecting conduit 30 and the lateral canister portion 28b, in plan view at least
The 1st buckle-type mechanism 32 of the part configuration in the perspective plane of the petrolift 15 is configured in institute when side view is observed
It states between the lower surface of petrolift 15 and the bottom wall 18, therefore, it is possible to efficiently use lower surface and the shell 13 of petrolift 15
Bottom wall 18 between space, it is pump side connecting conduit 28 is chimeric with filter side connecting conduit 30 and configure the 1st buckle-type mechanism
32, so as to avoid fuel supply system 12 from becoming larger radially.It is furthermore possible to shorten filter side connecting conduit 30, therefore
Advantageously reduce the cost of the filter 31 as renewal part.
It is configured in plan view in the perspective plane of the petrolift 15 in addition, the 1st buckle-type mechanism 32 is whole,
Therefore, it is possible to make smallerization radially of fuel supply system 12.
In addition, the longitudinal direction canister portion 28a of the pump side connecting conduit 28 is coaxially configured with the suction line 27, it is described
The axis C of lateral canister portion 28b by plan view by the axis CP of the petrolift 15 in a manner of configure, therefore, bowing
Lateral canister portion 28b depending on can be long in the perspective plane of the petrolift 15 when observation be formed, to be easy the 1st buckle-type machine
Structure 32 configures in the perspective plane.
In addition, being equipped with the abutting abutted with the bottom wall 18 of the shell 13 in the lower end of longitudinal canister portion 28a
Portion 28c, thus can in simple structure from below supporting fuel pump 15.
Also, the petrolift 15 is clamped and is supported between the shell 13 and upper body 14, the upper body
14 are linked by the 2nd buckle-type mechanism 55 with the shell 13, therefore the connection by releasing shell 13 and upper body 14, are held
So that petrolift 15 is detached from from shell 13 with filter 31, can easily be done pump side connecting conduit 28 and connect with filter side
The connection and releasing connection of conduit 30.
More than, embodiments of the present invention are illustrated, but the present invention is not limited to the above embodiments, it can
Various design alterations are carried out in the case where not departing from the present invention recorded in claims.
Claims (5)
1. a kind of fuel supply system, which is equipped with mounting flange (21), the shell on shell (13)
(13) there is the periphery wall (17) through the tubular being inserted into the opening portion (16) on the bottom plate (11a) of fuel tank (11)
With by the closed bottom wall in lower end (18) of the periphery wall (17), the mounting flange (21) is mounted on the bottom plate (11a)
And stretched out outward from the periphery wall (17), also, petrolift (15) is accommodated in the shell (13), in the fuel
The fuel-storage cell (24) for capableing of storing fuel is formed between pump (15) and the inner surface of the periphery wall (17), is configured described
Filter (31) in fuel-storage cell (24) is connect with the suction inlet (26) of the petrolift (15),
The fuel supply system is characterized in that,
The suction line (27) for forming the suction inlet (26) protrudes downwards from the following table of the petrolift (15), integrally has
There is the longitudinal canister portion (28a) extended up and down and connects from the longitudinal direction canister portion (28a) to the pump side of side lateral canister portion (28b) outstanding
Connecing conduit (28) makes the upper end of longitudinal canister portion (28a) be connect with the suction line (27), and the pump side connecting conduit
(28) be configured in the lower section of the petrolift (15), be located at filter side connecting conduit (30) on the filter (31) with
In the perspective plane of the petrolift (15) of the filter (31) side end of the transverse direction canister portion (28b) in plan view
It is chimeric, maintain the buckle-type mechanism (32) of the chimerism to be located at filter side connecting conduit (30) and the lateral canister portion
Between (28b), the buckle-type mechanism of at least part configuration in the perspective plane of the petrolift (15) when overlook observation
(32) it is configured in when side view is observed between the lower surface of the petrolift (15) and the bottom wall (18).
2. fuel supply system according to claim 1, which is characterized in that
In plan view, the buckle-type mechanism (32) is integrally provided in the perspective plane of the petrolift (15).
3. fuel supply system according to claim 1 or 2, which is characterized in that
The longitudinal direction canister portion (28a) and the suction line (27) are coaxially configured, the axis (C) of the transverse direction canister portion (28b)
It is configured to the axis (CP) in plan view by the petrolift (15).
4. fuel supply system according to claim 1 or 2, which is characterized in that
It is equipped with the abutting part abutted with the bottom wall (18) of the shell (13) in the lower end of longitudinal canister portion (28a)
(28c)。
5. fuel supply system according to claim 1 or 2, which is characterized in that
The petrolift (15) is clamped and is supported between the shell (13) and upper body (14), the upper body (14)
Link with the shell (13) by other buckle-type mechanisms (55) different from the buckle-type mechanism (32).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-244061 | 2014-12-02 | ||
| JP2014244061A JP6407687B2 (en) | 2014-12-02 | 2014-12-02 | Fuel supply device |
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| Publication Number | Publication Date |
|---|---|
| CN105649843A CN105649843A (en) | 2016-06-08 |
| CN105649843B true CN105649843B (en) | 2018-07-24 |
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| 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) |
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| 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 |
| JP7198796B2 (en) * | 2020-09-23 | 2023-01-04 | 本田技研工業株式会社 | Fuel pump unit cover and its mounting method |
Family Cites Families (8)
| 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 |
| 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 |
| JP2013199914A (en) * | 2012-03-26 | 2013-10-03 | Keihin Corp | Fuel pump module for engine |
| JP5917419B2 (en) * | 2013-01-15 | 2016-05-11 | 愛三工業株式会社 | Fuel filter mounting structure |
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2014
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- 2015-11-25 BR BR102015029524-3A patent/BR102015029524B1/en active IP Right Grant
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| Publication number | Publication date |
|---|---|
| JP2016108953A (en) | 2016-06-20 |
| CN105649843A (en) | 2016-06-08 |
| JP6407687B2 (en) | 2018-10-17 |
| BR102015029524A2 (en) | 2016-08-09 |
| BR102015029524B1 (en) | 2022-01-11 |
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