CN101149058A - Impeller-type electric fuel pump body - Google Patents
Impeller-type electric fuel pump body Download PDFInfo
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- CN101149058A CN101149058A CNA2007100679741A CN200710067974A CN101149058A CN 101149058 A CN101149058 A CN 101149058A CN A2007100679741 A CNA2007100679741 A CN A2007100679741A CN 200710067974 A CN200710067974 A CN 200710067974A CN 101149058 A CN101149058 A CN 101149058A
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- impeller
- oil
- plate
- oiled
- metallic layer
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Abstract
The impeller type electrically driven fuel oil pump includes one oil inlet plate, one oil outlet plate, one impeller between the oil inlet plate and the oil outlet plate, and one non-metal layer between the oil inlet plate or the oil outlet plate and the impeller. The non-metal layer combined tightly to the upper surface of the oil inlet plate or the lower surface of the oil outlet plate is made of plastic, graphite, ceramic or resin. The present invention has the advantages of long service life and simple manufacture.
Description
Technical field:
The present invention relates to a kind of electric fuel pump body, specifically is a kind of impeller-type electric fuel pump body that has the oil-feed plate, goes out oiled-plate method and impeller.
Background technique:
Oil-feed plate on the impeller-type electric fuel pump body of prior art and go out oiled-plate method and make by aluminum alloy, impeller is to be made by thermosetting plastics, at oil-feed plate and going out in the course of working of oiled-plate method, the aluminum alloy blank need be through roughing repeatedly, fine finishing, corase grind and correct grinding just can be made the oil-feed plate and go out oiled-plate method, though the machining error precision of its per pass operation can reach designing requirement basically, but its integrating error precision but tends to exceed designing requirement, and because the unstability of al alloy component makes oil-feed plate and the hardness that goes out the oiled-plate method surface require wayward in course of working, thereby finally increased aluminum alloy oil-feed plate and gone out the friction factor of oiled-plate method with the mutual surface that closely contacts of impeller, accelerate the wearing and tearing of the pump housing, shortened the working life of the pump housing.For the hardness requirement of satisfying aluminum alloy oil-feed plate and going out the oiled-plate method surface, reduce the oil-feed plate and go out the friction factor of oiled-plate method with the mutual surface that closely contacts of impeller, prolong the working life of the pump housing, can carry out hardening oxidation to aluminum alloy oil-feed plate and the surface that goes out oiled-plate method handles, but the oil-feed plate after hardening oxidation is handled must repeatedly grind with the surface that goes out oiled-plate method, thereby increased the difficulty of processing of the pump housing, increased its machining complexity.
Summary of the invention:
The technical problem to be solved in the present invention is a kind of long service life to be provided and to process impeller-type electric fuel pump body simply and easily.
Technical solution of the present invention is that a kind of impeller-type electric fuel pump body with following structure is provided: it comprises the oil-feed plate, go out oiled-plate method and at the oil-feed plate with go out impeller between the oiled-plate method; Between described oil-feed plate and the impeller and go out one deck non-metallic layer is all arranged between oiled-plate method and the impeller; The upper surface of described non-metallic layer and oil-feed plate or be closely as one with the lower surface that goes out oiled-plate method.
After adopting above structure, compared with prior art, the present invention has the following advantages: because the roughness of non-metal material surface is good, friction factor is little, wear-resisting, therefore between oil-feed plate and impeller and go out to set up between oiled-plate method and the impeller friction factor that non-metallic layer can significantly reduce the oil-feed plate and go out oiled-plate method and the mutual tight surface that contacts of impeller, thereby increased working life of the present invention.And another characteristics of nonmetallic material are exactly that its free cutting property and nonferromagnetic substance are all good than aluminum alloy, and its profile and size all can be guaranteed by mould in course of working, thereby have reduced difficulty of processing, have simplified course of working, have reduced processing cost.
Above-mentioned non-metallic layer can adopt plastic cement.Plastic cement has good antifriction, wear-resisting and self-lubricating property, and some plastic cement contains the graphite composition, can discharge the graphite composition slowly when with impeller friction taking place, thus the lubrication of playing, therefore, adopt plastic cement can further prolong working life of the present invention as non-metallic layer.And the present invention can adopt viscose glue or injection moulding mode to be combined closely in the plastic layer and the surface of turnover oiled-plate method to be integral, and this processing mode is very simple, convenient.
Above-mentioned non-metallic layer also can adopt graphite.Graphite has excellent lubrication, can discharge the graphite composition lentamente when with impeller friction taking place, thereby therefore the lubrication of playing, adopts graphite can further prolong working life of the present utility model as non-metallic layer.Graphite also has very high plasticity, its toughness is very good, can be made into very thin thin slice, therefore in course of working, graphite can be processed to one deck thin slice at an easy rate as non-metallic layer, can combine closely by the surface that spraying plating, viscose glue or injection moulding mode made it and passed in and out oiled-plate method then is integral, and whole course of working is very simple, convenient.
Above-mentioned non-metallic layer also can adopt pottery.One of them characteristic of pottery are exactly wear-resistant.Ceramic layer can be combined closely with the surface of turnover oiled-plate method by the viscose glue mode and is integral, thereby has not only prolonged working life of the present invention, and its processing mode also is very simple, convenient.
Above-mentioned non-metallic layer also can adopt resin.Resin also has anti abrasive characteristic, and it can be combined closely by the surface that modes such as spraying plating, viscose glue, injection moulding made it and passed in and out oiled-plate method and be integral, and has therefore also further prolonged working life of the present invention, and whole course of working is also very simple, convenient.
Description of drawings:
Figure is the broken section structural representation of impeller-type electric fuel pump body of the present invention.
Shown in the figure: 1, oil-feed plate, 2, go out oiled-plate method, 3, impeller, 4, non-metallic layer.
Embodiment:
The invention will be further described below in conjunction with the drawings and specific embodiments:
As shown in drawings, the maximum difference of the present invention and prior art impeller-type electric fuel pump body is exactly between oil-feed plate 1 and the impeller 3 and go out between oiled-plate method 2 and the impeller 3 to have increased one deck non-metallic layer 4.Non-metallic layer 4 general plastic cement, graphite, pottery or the resins etc. that adopt with high wear resistance.In the present invention, non-metallic layer 4 is closely as one with the lower surface that goes out oiled-plate method 2 with the upper surface and the non-metallic layer 4 of oil-feed plate 1, its concrete combination is decided according to different nonmetallic material, for example, the lower surface that generally adopts the upper surface of viscose glue or injection moulding mode and oil-feed plate 1 as the plastic cement of non-metallic layer 4 and go out oiled-plate method 2 is combined closely and is integral; The lower surface that generally adopts the upper surface of spraying plating, viscose glue or injection moulding mode and oil-feed plate 1 and go out oiled-plate method 2 as the graphite of non-metallic layer 4 is combined closely and is integral; The lower surface that generally only adopts the upper surface of the mode of viscose glue and oil-feed plate 1 and go out oiled-plate method 2 as the pottery of non-metallic layer 4 is combined closely and is integral; The lower surface that generally adopts the upper surface of spraying plating, viscose glue or injection moulding mode and oil-feed plate 1 and go out oiled-plate method 2 as the resin of non-metallic layer 4 is combined closely and is integral.In addition, the upper surface of the oil-feed plate 1 that is combined into one and the total thickness of non-metallic layer 4 and go out the lower surface of oiled-plate method 2 and the total thickness of non-metallic layer 4 is to equal or be slightly larger than or be slightly less than the thickness of the upper surface of oil-feed plate 1 in the prior art and go out the thickness of the lower surface of oiled-plate method 2, this be for the profile that satisfies the pump housing of the present invention, size constant substantially, thereby guarantee the normal assembling and the work of pump assembly.In order to meet this requirement, the method that the present invention takes be non-metallic layer 4 and oil-feed plate 1 or with go out before oiled-plate method 2 is combined as a whole, promptly at processing oil-feed plate 1 with when going out oiled-plate method 2, with the upper surface of oil-feed plate 1 and corresponding the reducing of lower surface thickness that goes out oiled-plate method 2, and the thickness that reduces is generally the thickness of non-metallic layer.
Impeller-type electric fuel pump body of the present invention is mentioned unlike the prior art except above-mentioned, and other structures are all the same with prior art with working principle, so do not give unnecessary details at this.In addition; the material of non-metallic layer is not limited to plastic cement, graphite, pottery or resin among the present invention; it also can be glass, enamel, enamel or bakelite; it can also be the mixture of plastic cement, graphite, pottery, resin, glass, enamel, enamel and bakelite; mixture as plastic cement and graphite; the mixture of plastic cement and resin, mixture of bakelite, resin and graphite or the like, these all fall into protection scope of the present invention.
Claims (5)
1. impeller-type electric fuel pump body, comprise oil-feed plate (1), go out oiled-plate method (2) and be positioned at oil-feed plate (1) and go out impeller (3) between the oiled-plate method (2), it is characterized in that: between described oil-feed plate (1) and the impeller (3) and go out between oiled-plate method (2) and the impeller (3) one deck non-metallic layer (4) is all arranged; Described non-metallic layer (4) is closely as one with the upper surface of oil-feed plate (1) or with the lower surface that goes out oiled-plate method (2).
2. impeller-type electric fuel pump body according to claim 1 is characterized in that: described non-metallic layer (4) is a plastic cement.
3. impeller-type electric fuel pump body according to claim 1 is characterized in that: described non-metallic layer (4) is a graphite.
4. impeller-type electric fuel pump body according to claim 1 is characterized in that: described non-metallic layer (4) is pottery.
5. impeller-type electric fuel pump body according to claim 1 is characterized in that: described non-metallic layer (4) is a resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100679741A CN101149058A (en) | 2007-04-09 | 2007-04-09 | Impeller-type electric fuel pump body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100679741A CN101149058A (en) | 2007-04-09 | 2007-04-09 | Impeller-type electric fuel pump body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101149058A true CN101149058A (en) | 2008-03-26 |
Family
ID=39249718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100679741A Pending CN101149058A (en) | 2007-04-09 | 2007-04-09 | Impeller-type electric fuel pump body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101149058A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661221A (en) * | 2012-06-04 | 2012-09-12 | 韩金红 | External horizontal-type fuel pump oil outlet tray assembly and manufacturing process thereof |
| CN102661222A (en) * | 2012-06-04 | 2012-09-12 | 韩金红 | External horizontal-type fuel pump oil outlet tray, manufacturing process and impeller matched with oil outlet tray |
-
2007
- 2007-04-09 CN CNA2007100679741A patent/CN101149058A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661221A (en) * | 2012-06-04 | 2012-09-12 | 韩金红 | External horizontal-type fuel pump oil outlet tray assembly and manufacturing process thereof |
| CN102661222A (en) * | 2012-06-04 | 2012-09-12 | 韩金红 | External horizontal-type fuel pump oil outlet tray, manufacturing process and impeller matched with oil outlet tray |
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