CN2514135Y

CN2514135Y - General electric fuel oil pump assembly in box

Info

Publication number: CN2514135Y
Application number: CN 01256486
Authority: CN
Inventors: 金宗君
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-11-06
Filing date: 2001-11-06
Publication date: 2002-10-02
Anticipated expiration: 2011-11-06

Abstract

The prior electric fuel oil pump assemblies have the defects of no universality, high cost and inconvenient maintenance. The utility model of the design can be applied to various vehicles. The utility model comprises an upper oil tank cover, an oil storage box, an oil return pipe, an oil outlet pipe, a fuel oil pump, a filter net, etc. A vertically contractible elastic guide pole is arranged between the upper cover and the top cover of the oil storage box, a vertically contractible oil return duct which can regulate the orientation on a horizontal plane is arranged between the upper cover and the oil storage box, and the upper section of the oil return duct is bent to an arc. The structure ensures the universality of the assembly. Moreover, the utility model has the upper cover combined with multiple functions, the fuel oil pump and an electrical component are nested inside to form an integral middle seat with the fuel oil pump, the electrical component, the upper cover of the oil storage box, the outer casing of the guide rod, the outer casing of the oil return duct and the filter net, and therefore the whole structure of the fuel oil pump assembly is greatly simplified. The utility model has the advantages of less components, simple structure, low fabrication cost, easy assembly, convenient installation and maintenance, high structural strength, long lifespan, safe use, strong universality, etc.

Description

At box general electric fuel oil pump assembly

Technical field:

The utility model relates to the fuel oil pump assembly in a kind of automobile electronic fuel oil jet system, and it is a kind of at the box electric fuel oil pump assembly definitely to say so.

Background technique:

At present in the vehicle fuel supply system, generally adopt at the box electric fuel pump, because vehicle difference, its structure shape of fuel oil pump assembly, the different sizes of equipment, can not be general between different vehicles, give and use maintenance to make troubles, use for the need that satisfy different automobile types simultaneously, producer must at different automobile types to fuel oil pump assembly design separately, single die sinking tool, separately assembling, that this just causes that design flow is big, mould is opened is many, manufacture cost is high, and owing to do not seek unity of standard, quality is wayward.

Summary of the invention:

The present utility model purpose is: at the problems referred to above of electric fuel pump assembly existence in the present vehicle fuel supply system, a kind of overall structure is simple, arrangement of components is tight for the user provides, mechanical structure intensity height, be difficult for abrasion, polarization good, can indicate accurately install, make things convenient for auto repair, by unified specifications of quality control, low cost of manufacture, performance quality is good, is suitable for the general electric fuel pump assembly of various vehicles.

Goal of the invention of the present utility model realizes by implementing following technical proposals: a kind of be contained in the automotive oil tank at box general electric fuel oil pump assembly, by the fuel tank loam cake that is contained on the oil outlet of automotive oil tank top, be contained in the store oil box in the fuel tank, be contained in the store oil box and the return tube between the loam cake, be contained in the fuel pump in the store oil box and be contained in the filter screen at pump filler opening place, connect this oil pump outlet line joint, being filled to the assemblies such as oil outlet tube that cover constitutes, it is characterized in that: 1. also be equipped with between loam cake and store oil lid not only support loam cake but also can regulate loam cake and the store oil box between the elastic guide post of height, this directional post is by the guide rod outer sleeve that is fixed on the store oil lid, with the plug in guide rod within it of dress, and be positioned between store oil lid and guide rod outer sleeve top, the spring that is sleeved on the guide rod is formed; 2. be contained in the return tube between store oil box and loam cake, but form by the oil return catheter jacket pipe and the slotting oil return conduit that moves up and down, not only plays a supportive role but also can regulate the loam cake height, goes up pipeline section embowment horizontal adjustment direction within it of dress that are fixed on the store oil lid; Additional technical feature is: 1. be contained in fuel pump in the store oil box and relevant supporting electric assembly thereof, all be sleeved in the tubular of an insulation in the seat housing, and form one with the store oil lid and become middle pedestal, hypomere of pedestal dress is inserted in the store oil box in this; 2. at oil return catheter jacket pipe and insert between oil return conduit in it, be equipped with in the time of to prevent that oil level from descending because gas leakage causes the oil sealing of generation fuel oil bubble in the store oil box; 3. be contained in automotive oil tank and eject fuel tank loam cake on the hydraulic fluid port, for having the multipurpose lid of high mechanics structural strength, it constitutes one by following lid socket and top hd top face, the frontal plane of hd top face is provided with the mark of indication installation direction, the rear portion, plane is the boss of holding up, two ends, the boss antetheca left and right sides are respectively arranged with and are oil outlet tube socket and the return tube socket that level is stretched out, about boss middle part is positioned between two oil connections, have one and half breach from boss antetheca to back substantially horizontal, have groove and the bottom land opened down that electric combination hub module is housed in the breach, the protection column cap is equipped with at boss end face two ends; 4. the store oil box of this assembly is made up of lid and box body, and the sensor locating slot is arranged on the lid, and the lid periphery is provided with the padlock that lid and box body can be combined into one, and the middle seat housing with its disjunctor is equipped with in the center portion of lid, has oil inlet hole on the lid; On the madial wall of store oil box box body, be equipped with vertically with this place's sidewall the end of to from the top and fuse, insert the fixedly cylindrical cavity socket of oil return catheter jacket pipe in order to adorn, this socket curves the oil return nozzle of substantially horizontal in store oil box bottom, be hidden in the groove of store oil box bottom surface, the base of cylindrical cavity socket in the store oil box, one side and the full disjunctor of store oil box lower wall, opposite side and this place's store oil box lower wall half disjunctor and leave the termination, in this half of base body, have one from this termination mouth to the store oil box at the bottom of outside the horizontal oil return runner of opening, the oil return nozzle of cylindrical cavity socket lower end, near and at the bottom of the store oil box of oil return runner outside opening; The oil return baffle of a slice arc also is housed in the store oil box, and its end is fixed on the cavity socket outer wall, and the other end and store oil box madial wall from top to down form a narrow-gap channel, whole store oil box cavity is divided into small one and large one two inner chambers.5. on the guide rod outer sleeve, sensor stand is housed; 6. in store oil box bottom surface the location shock absorbing seat is housed.

Advantage of the present utility model is: but 1. because the guide rod of elastic telescopic is housed between fuel tank loam cake and store oil box and have on stoop directly scalable rotating oil return conduit, thereby can regulate distance between fuel tank loam cake and store oil box easily, for have this structural type at box fuel oil pump assembly, can be installed in the various vehicles and use, need only adjust the height between loam cake and store oil box during installation, just can finish fitting operation simply, thereby enlarged using scope, make this fuel oil pump assembly can be general in various vehicles.2. in the contacting point of oil return conduit and oil return catheter jacket pipe oil sealing is housed, can avoids effectively having avoided the generation of accident because oil level decline in the fuel tank causes producing in the store oil box fuel oil bubble and produce gas leakage herein.3. fuel tank superstructure novelty, the mechanical strength height is cracky not, and the kinds of protect function is arranged.Existing fuel tank loam cake is the flat-top capping, because being easy to concentrate, stress often ruptures, and the spoilage height, working life is short.Fuel tank loam cake in the utility model has the boss curved surface on the end face, dispersive stress improves structural strength effectively; The boss end face is provided with the protection column cap, can prevent extruding protection capping effectively; Boss is provided with groove, and bottom land is equipped with electric combination hub module, makes this module obtain protection effectively; Be provided with on the last capping indication and oil circuit mark such as arrow are installed, can prevent misloading, can improve job security effectively.4. the power supply electricity combination hub module and the support thereof of fuel-quantity transducer, oil mass alarm, pump core are housed, are contained in loam cake bottom surface and loam cake formation one and have constituted a construction package; And the middle seat that is set with fuel pump and supporting electric assembly thereof and store oil lid, reach the guide rod outer sleeve on the lid and the oil return catheter jacket is tubular is integral, constituted another part construction package, thereby the overall structure of this fuel oil pump assembly is greatly simplified, be very easy to I﹠M.5. rubber location shock absorbing seat is housed at the bottom of the store oil box, can prevents effectively that the store oil box from vibrating slip on the fuel tank bottom surface, strengthened the stability of store oil box.In sum, the utlity model has that integrated member is few, simple in structure, fabricating cost is low, assembling is easy, installation and maintenance are easy, outstanding advantage such as element structure intensity height, life-span are long, safe in utilization, highly versatile, easy to utilize.

It is that the three-dimensional view Fig. 3 that removes behind the store oil box body is mark among the store oil box body inner structure plan view figure for the utility model three-dimensional view Fig. 2 that description of drawings the utility model has following accompanying drawing: Fig. 1: 1 is the fuel tank loam cake; 2 are the oil return conduit; 3 is oil sealing; 4 are oil return catheter jacket pipe; 5 are the store oil box; 6 is oil outlet tube; 7 is guide rod; 8 is fuel pump; 9 is the guide rod outer sleeve, and 10 are the store oil lid, and 11 is the return tube socket; 12 electric combination hub modules for protection groove and interior dress; 13 are loam cake protection column cap, and 14 is the oil outlet tube socket, and 15 for installing cue mark; 16 is sensor stand; 17 is the sensor locating slot, and 18 is oil inlet hole, and 19 is the electric assembly supporting with fuel pump; 20 is the middle seat housing of suit fuel pump and combo part; 21 is padlock, and 22 is oil return nozzle, and 23 is filter screen; 24 sockets for oil return catheter jacket pipe in the store oil box; 25 is socket base, and 26 is the oil return runner in the socket base, and 27 is the arc oil return baffle; 28 is the boss end face of fuel tank loam cake; 29 is the oil circuit cue mark, and 30 are the location shock absorbing seat, and 31 is the frontal plane of fuel tank loam cake hd top face; 32 is boss, and 33 for being sleeved on the spring on the guide rod.

Embodiment

The utility model is made up of superstructure assembly, middle stand structure assembly, store oil box housing, guide rod and spring, oil return conduit, oil outlet tube.Superstructure assembly: by having boss end face 28, groove 12 and be contained in the electric combination hub module of bottom land, be arranged on the protection column cap 13 on the boss end face 28, level is contained in return tube socket 11, the oil outlet tube socket 14 on the boss 32, and be contained on the pipe roof in order to indicate the mark 29 of oil pipe intermediate fuel oil flow direction, be contained in mark 15 elements such as grade of indication installation direction on the hd top face frontal plane 31, constitute the superstructure assembly of integral structure by the plastics once-through; Middle stand structure assembly: by fuel pump 8, the electric assembly 19 supporting with it, the middle seat housing 20 of cover armored pump 8 and electric assembly 19, store oil lid 10 with middle seat housing 20 formation one, be compressed on the sensor locating slot 17 on the store oil lid 10, guide rod outer sleeve 9 with store oil lid 10 formation one, oil return catheter jacket pipe 4, be fixed on the sensor stand 16 on the guide rod outer sleeve 9, the fixedly iron plate of seat housing 20 bottom supporting pump cores in being contained in, and the filter screen 23 that is fixed on its underpart, the padlock 21 that is contained in store oil lid 10 outer rims waits each assembly to constitute integrated middle stand structure assembly; Seat housing 20 wherein, guide rod outer sleeve 9, oil return catheter jacket pipe 4 and store oil lid 10 are plastics once-through goods; The box body of store oil box 5 is made of plastic, and the socket 24 of plastics oil return catheter jacket pipe 4 is arranged in the box, in the base 25 of socket 24 oil return runner 26 is arranged, and plastics arc oil return baffle 27 is fixed on the sidewall of socket 24 vertically; The box body external diameter Φ 100mm of store oil box 5, wall thickness 2mm, the high 72mm of box; Compression distance between fuel tank loam cake and store oil box bottom surface is 35mm.Because this fuel oil pump assembly construction package is few, top cover and store oil box basal spacing are from adjustable, and assembling, installation and maintenance are very convenient again, therefore are suitable for various vehicles and use.

Claims

1, a kind of be contained in the automotive oil tank at box general electric fuel oil pump assembly, by the fuel tank loam cake (1) that is contained on the oil outlet of automotive oil tank top, be contained in the store oil box (5) in the fuel tank, be contained in the store oil box (5) and the return tube between the loam cake (1), be contained in the fuel pump (8) in the store oil box (5) and be contained in the filter screen (23) at pump filler opening place, connect this oil pump outlet line joint, the oil outlet tube assemblies such as (6) that is filled on the loam cake (1) constitutes, it is characterized in that: also be equipped with between loam cake (1) and store oil lid (10) not only support loam cake (1) but also can regulate loam cake and store oil box (5) between the elastic guide post of height, this directional post is by the guide rod outer sleeve (9) that is fixed on the store oil lid (10), with the plug in guide rod (7) within it of dress, and be positioned between store oil box (10) lid and guide rod outer sleeve (9) top, the spring (33) that is sleeved on the guide rod (7) is formed; Be contained in the return tube between store oil box (5) and loam cake (1), by be fixed on the store oil lid (10) oil return catheter jacket pipe (4) but and the oil return conduit (2) that moves up and down, not only plays a supportive role but also can regulate the loam cake height, goes up pipeline section embowment horizontal adjustment direction inserted within it of dress form.

2, according to claim 1 a kind of be contained in the automotive oil tank at box general electric fuel oil pump assembly, it is characterized in that: be contained in fuel pump (8) and relevant supporting electric assembly (19) thereof in the store oil box (5), all be sleeved in the tubular of an insulation in the seat housing (20), and form one with store oil lid (10) and become middle pedestal, hypomere of pedestal dress is inserted in the store oil box (5) in this.

3, according to claim 1 a kind of be contained in the automotive oil tank at box general electric fuel oil pump assembly, it is characterized in that: at oil return catheter jacket pipe (4) and insert between the oil return conduit (2) in it, be equipped with in the time of to prevent that oil level from descending because gas leakage causes the oil sealing (3) of generation fuel oil bubble in the store oil box (5).

4; according to claim 1 a kind of be contained in the automotive oil tank at box general electric fuel oil pump assembly; it is characterized in that: be contained in automotive oil tank and eject fuel tank loam cake (1) on the hydraulic fluid port; for having the multipurpose lid of high mechanics structural strength; it constitutes one by following lid socket and top hd top face; the frontal plane of hd top face (31) is provided with the mark (15) of indication installation direction; the rear portion, plane is the boss of holding up (32); two ends, boss (32) the antetheca left and right sides are respectively arranged with and are oil outlet tube socket (14) and the return tube socket (11) that level is stretched out; about boss (32) middle part is positioned between two oil connections; have one and half breach from boss antetheca to back substantially horizontal; have groove and the bottom land opened down that electric combination hub module (12) is housed in the breach, protection column cap (13) is equipped with at boss end face (28) two ends.

5, according to claim 1 a kind of be contained in the automotive oil tank at box general electric fuel oil pump assembly, it is characterized in that: the store oil box (5) of this assembly, form by lid (10) and box body, be shaped on sensor locating slot (17) on the lid (10), the lid periphery is provided with the padlock (21) that lid and box body can be combined into one, the middle seat housing (20) with its disjunctor is equipped with in the center portion of lid (10), has oil inlet hole (18) on the lid (10); On the madial wall of store oil box body, be equipped with vertically with this place's sidewall the end of to from the top and fuse, insert the fixedly cylindrical cavity socket (24) of oil return catheter jacket pipe (4) in order to adorn, this socket (24) curves the oil return nozzle (22) of substantially horizontal in store oil box bottom, be hidden in the groove of store oil box bottom surface, the base (25) of cylindrical cavity socket (24) in the store oil box, one side and the full disjunctor of store oil box lower wall, opposite side and this place's store oil box lower wall half disjunctor and leave the termination, in this half of base body, have one from this termination mouth to the store oil box at the bottom of outside the horizontal oil return runner (26) of opening, the oil return nozzle (22) of cylindrical cavity socket (24) lower end, near and at the bottom of the store oil box of oil return runner (26) outside opening; The oil return baffle (27) of a slice arc also is housed in the store oil box, its end is fixed on cavity socket (24) outer wall, the other end and store oil box madial wall from top to down form a narrow-gap channel, the cavity of whole store oil box (5) are divided into small one and large one two inner chambers.

6, according to claim 1 a kind of be contained in the automotive oil tank at box general electric fuel oil pump assembly, it is characterized in that: sensor stand (16) is housed on guide rod outer sleeve (9).

7, according to claim 1 a kind of be contained in the automotive oil tank at box general electric fuel oil pump assembly, it is characterized in that: location shock absorbing seat (30) is housed in store oil box (5) bottom surface.