CN108443139A - A kind of fuel pump - Google Patents
A kind of fuel pump Download PDFInfo
- Publication number
- CN108443139A CN108443139A CN201810312166.5A CN201810312166A CN108443139A CN 108443139 A CN108443139 A CN 108443139A CN 201810312166 A CN201810312166 A CN 201810312166A CN 108443139 A CN108443139 A CN 108443139A
- Authority
- CN
- China
- Prior art keywords
- cover
- carbon brush
- plastics
- fuel pump
- clamping plate
- 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.)
- Withdrawn
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 30
- 229910052799 carbon Inorganic materials 0.000 claims description 30
- 239000004033 plastic Substances 0.000 claims description 27
- 229920003023 plastic Polymers 0.000 claims description 27
- 229910052723 transition metal Inorganic materials 0.000 claims description 17
- 150000003624 transition metals Chemical class 0.000 claims description 17
- 239000003921 oil Substances 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 239000000295 fuel oil Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 abstract description 3
- 238000001746 injection moulding Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 239000002360 explosive Substances 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
-
- 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
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention belongs to fuel pump design and manufacturing technology fields, and in particular to pump chamber made of a kind of fuel pump, including tubular shell and the enclosing of forward and backward pump cover, the rear pump cover is equipped with oil inlet, front pump cover is equipped with oil outlet；The impeller of connection is rotated synchronously in the pump chamber equipped with rotor and with rotor, the inner wall of the tubular shell is equipped with magnetic shoe.Split structure is made in traditional integral type bowl cover by the present invention, on the one hand simplifies injection molding process, and the structural strength of pump cover is enable to ensure, on the other hand but also the assembly of the components such as inscribed line terminals of pump cover is more convenient：The position of conductive sheet and wire link is packaged into integral structure by the present invention, and fluid is avoided to corrode, while improving the globality of connecting terminal, is more conducively assembled and is detected.
Description
Technical field
The invention belongs to fuel pump design and manufacturing technology fields, and in particular to a kind of fuel pump.
Background technology
The pump cover half of conventional fuel oil pump is an integral structure, and the defect of integral type bowl cover is：First, structure is multiple
It is miscellaneous, it is not easy to be molded, structural strength cannot ensure, in addition integral type pump cover is that the components such as connecting terminal carry out assembled very
Inconvenience influences fuel pump production efficiency of assembling.In addition, the connecting terminal of fuel pump is generally directly welded or is connected to screw
In pump cover, on the one hand this mounting means is not easy to assemble, after another aspect oil pump long time running, be easy to cause connecting terminal
Burn into falls off, and influences the service life of oil pump.
Invention content
The object of the present invention is to provide a kind of intensity reliably, convenient for the good fuel pump of assembly, anticorrosion ability.
To achieve the above object, the present invention provides following technical schemes：A kind of fuel pump, including tubular shell and before,
Pump chamber made of rear pump cover encloses, the rear pump cover is equipped with oil inlet, front pump cover is equipped with oil outlet；It is equipped in the pump chamber
Rotor and the impeller that connection is rotated synchronously with rotor, the inner wall of the tubular shell are equipped with magnetic shoe；The front pump cover includes
Upper cover and lower cover, the upper cover and the mutual snapping of lower cover form a cavity, and fuel pump connecting terminal is equipped in the cavity, described
Connecting terminal includes conductive sheet, coil, bar magnet, conducting wire and carbon brush, and the coil is wound on bar magnet, and the conductive sheet, is led at coil
Line, carbon brush link successively, and the conductive sheet, coil, bar magnet, conducting wire, carbon brush are equipped with company, and two conductive sheets are connect with two coils
Position and the position that is connect with two conducting wires of two coils poured by plastics and be packaged into integral structure, the both ends of two bar magnet
It is cast in plastics inner, the coiling position of the stage casing of two bar magnets and two coils is exposed to the outside of encapsulating structure；Two conductive sheets
Part-structure is protruded out from the homonymy of the plastics in the same direction, constitutes the plugging position of connecting terminal；On the upper lid
Equipped with flowline connection to subsea, and for the through-hole that passes through of conductive sheet of wiring list, the lower lid is equipped with for being connected to fuel pump
The oil outlet of inner cavity and the flowline connection to subsea, and the carbon brush mounting hole that passes through of carbon brush for connecting terminal.
The lower lid is equipped with the Elastic clamping plate that setting is protruded out into the cavity, and the Elastic clamping plate is for being clamped wiring
The encapsulated plastic of terminal, the Elastic clamping plate are three, and two of which Elastic clamping plate is arranged in parallel, another Elastic clamping plate
It is staggeredly oppositely arranged with the first two, described two clamping plate upper ends being mutually parallel, which are equipped with, to be inserted into convenient for plastics between three clamping plates
Ramped shaped guide portion, the upper end of another clamping plate is equipped with for preventing plastics movable reversed acanthoid structure upwards；The clamping plate
With lower cover integrated injection forming.
The lower lid is equipped with the carbon brush casing that setting is protruded out into the cavity, and the carbon brush casing is pacified with the carbon brush
Fill hole connection；The retaining wall of carbon brush sleeve upper end can be against by being equipped in the upper cover, and the carbon brush casing is noted with lower cover integral type
It is moulded into type.
The upper surface of the lower cover is equipped with a round platform, the inner ring surface composition interference fit of the round platform and upper cover.
It is connected by a transition metal piece between the coil and conducting wire, the transition metal piece, which pours, to be encapsulated in plastics
Portion is linked into an integrated entity formula structure, the interconnecting piece and two conductive sheets between two transition metal pieces and two conductive sheets by an interconnecting piece
With two transition metal piece integral type punching shapings.
The connecting portion is equipped with a through-hole, institute on the plastics in packaging area with the interconnecting piece corresponding position
It states interconnecting piece exposure in the through hole, to twist the interconnecting piece that breaks, two conductive sheets and two transition metal pieces is made to be separated from each other.
Two conductive sheet is located at part in encapsulating structure and two transition metal on pieces are stamped with concave convex texture, to carry
Adhesive force between high and plastics.
The technical effects of the invention are that：Split structure, a side is made in traditional integral type bowl cover by the present invention
Face simplifies injection molding process, and the structural strength of pump cover is enable to ensure, on the other hand but also line terminals etc. are inscribed in pump cover
The assembly of component is more convenient：The position of conductive sheet and wire link is packaged into integral structure by the present invention, avoids fluid rotten
Erosion, while the globality of connecting terminal is improved, it more conducively assembles and detects.
Description of the drawings
Fig. 1 is the stereogram of the present invention；
Fig. 2 is the explosive view of the present invention；
Fig. 3 is the stereogram of the front pump cover of the present invention；
Fig. 4 is the explosive view of the front pump cover of the present invention；
Fig. 5 is the dimensional structure diagram of the upper cover of the present invention；
Fig. 6 is the dimensional structure diagram of the lower cover of the present invention；
Fig. 7 is the dimensional structure diagram of the connecting terminal of the present invention；
Fig. 8 is the dimensional structure diagram before the connecting terminal encapsulation of the present invention；
Fig. 9 is the explosive view before the connecting terminal encapsulation of the present invention.
Specific implementation mode
The present invention is described in detail below in conjunction with attached drawing.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is not understood to indicate or imply relative importance.
As shown in figs 1-9, pump chamber made of a kind of fuel pump, including tubular shell 50 and the enclosing of forward and backward pump cover 51,52,
The rear pump cover 52 is equipped with oil inlet, front pump cover 51 is equipped with oil outlet；Rotor 53 and and rotor are equipped in the pump chamber
The impeller 54 of connection is rotated synchronously, the inner wall of the tubular shell 50 is equipped with magnetic shoe；The front pump cover 51 includes 20 He of upper cover
Lower cover 30, the upper cover 20 and 30 mutual snapping of lower cover form a cavity, and fuel pump connecting terminal is equipped in the cavity, described
Connecting terminal includes conductive sheet 11, coil 14, bar magnet 15, conducting wire 12 and carbon brush 13, and the coil 14 is wound on bar magnet 15, described
Conductive sheet 11, coil 14, conducting wire 12, carbon brush 13 link successively, the conductive sheet 11, coil 14, bar magnet 15, conducting wire 12, carbon brush
13 companies of being equipped with, the position that the position and two coils 14 that two conductive sheets 11 are connect with two coils 14 are connect with two conducting wires 12 by
Plastics 10, which pour, is packaged into integral structure, and the both ends of two bar magnet 15 are cast in inside plastics 10, the stage casing of two bar magnets 15
And two the coiling position of coil 14 be exposed to the outside of encapsulating structure；The part-structure of two conductive sheets 11 is in the same direction from described
The homonymy of plastics 10 protrudes out, and constitutes the plugging position of connecting terminal；The upper cover 20 is equipped with flowline connection to subsea 21, and
For the through-hole 22 that the conductive sheet 11 of wiring list passes through, the lower cover 30 is equipped with for being connected to fuel pump inner cavity and described fuel-displaced
The oil outlet 34 of pipe fitting 21, and the carbon brush mounting hole that passes through of carbon brush 13 for connecting terminal.
Preferably, the lower cover 30 is equipped with the Elastic clamping plate 31 that setting is protruded out into the cavity, the Elastic clamping plate
31 encapsulated plastic 10 for connecting terminal to be clamped, the Elastic clamping plate 31 are three, two of which Elastic clamping plate 31a, 31b phase
Mutually it is arranged in parallel, another Elastic clamping plate 31c is staggeredly oppositely arranged with the first two, described two clamping plate 31a being mutually parallel,
The upper ends 31b are equipped with convenient for the ramped shaped guide portion 311 between three clamping plates 31 of insertion of plastics 10, the upper end of another clamping plate 31c
Equipped with for preventing the movable reversed acanthoid structure upwards of plastics 10；The clamping plate 31 and 30 integrated injection forming of lower cover.
Preferably, the lower cover 30 is equipped with the carbon brush casing 32 that setting is protruded out into the cavity, the carbon brush casing
32 are connected to the carbon brush mounting hole；The retaining wall 23 of 32 upper end of carbon brush casing, the carbon can be against by being equipped in the upper cover 20
Brush casing 32 and 30 integrated injection forming of lower cover.
Preferably, the upper surface of the lower cover 30 is equipped with a round platform 33, and the round platform 33 and the inner ring surface of upper cover 20 are constituted
Interference fit.
Preferably, it is connected by a transition metal piece 16 between the coil 14 and conducting wire 12, the transition metal piece 16
It pours and is encapsulated in inside plastics 10, linked into an integrated entity by an interconnecting piece 111 between two transition metal pieces 16 and two conductive sheets 11
Formula structure, the interconnecting piece 111 and two conductive sheets 11 and two transition metal pieces, 16 integral type punching shaping.
Preferably, the interconnecting piece 111 is located in packaging area, on the plastics 10 with 111 corresponding position of interconnecting piece
Place is equipped with a through-hole 101, and the interconnecting piece 111 is exposed in the through-hole 101, to twist the interconnecting piece 111 that breaks, makes two conductive sheets
11 and two transition metal piece 16 be separated from each other.
Preferably, two conductive sheet 11 be located on the part in encapsulating structure and two transition metal pieces 16 be stamped with it is recessed
Burr road 112, to improve the adhesive force between plastics 10.
Split structure is made in traditional integral type bowl cover by the present invention, on the one hand simplifies injection molding process,
The structural strength of pump cover is set to ensure, on the other hand but also the assembly of the components such as inscribed line terminals of pump cover is more convenient：This
The position of conductive sheet and wire link is packaged into integral structure by invention, and fluid is avoided to corrode, while improving connecting terminal
Globality, more conducively assemble and detect.The induction reactance that coil 14 and bar magnet 15 generate can improve the anti-interference ability of terminal.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (7)
1. a kind of fuel pump, it is characterised in that：Pump chamber made of being enclosed including tubular shell (50) and forward and backward pump cover (51,52),
The rear pump cover (52) is equipped with oil inlet, front pump cover (51) is equipped with oil outlet；Be equipped in the pump chamber rotor (53) and
The impeller (54) of connection is rotated synchronously with rotor, the inner wall of the tubular shell (50) is equipped with magnetic shoe；The front pump cover (51)
Including upper cover (20) and lower cover (30), the upper cover (20) and lower cover (30) mutually snapping form a cavity, are set in the cavity
It includes conductive sheet (11), coil (14), bar magnet (15), conducting wire (12) and carbon brush to have fuel pump connecting terminal, the connecting terminal
(13), the coil (14) is wound on bar magnet (15), and the conductive sheet (11), coil (14), conducting wire (12), carbon brush (13) are successively
Link, the conductive sheet (11), coil (14), bar magnet (15), conducting wire (12), carbon brush (13) company of being equipped with, two conductive sheets
(11) position that the position and two coils (14) being connect with two coils (14) are connect with two conducting wires (12) is poured by plastics (10)
It is packaged into integral structure, the both ends of two bar magnet (15) are cast in plastics (10) inside, the stage casing and two of two bar magnets (15)
The coiling position of coil (14) is exposed to the outside of encapsulating structure；The part-structure of two conductive sheets (11) is in the same direction from described
The homonymy of plastics (10) protrudes out, and constitutes the plugging position of connecting terminal；The upper cover (20) is equipped with flowline connection to subsea
(21), and for wiring list the through-hole (22) that passes through of conductive sheet (11), the lower cover (30) is equipped with for being connected to fuel oil
The oil outlet (34) of inner cavity and the flowline connection to subsea (21) is pumped, and is installed for the carbon brush that passes through of carbon brush (13) of connecting terminal
Hole.
2. fuel pump according to claim 1, it is characterised in that：The lower cover (30) is equipped with and is protruded out into the cavity
The Elastic clamping plate (31) of setting, the Elastic clamping plate (31) are used to be clamped the encapsulated plastic (10) of connecting terminal, the elastic clip
Plate (31) is three, and two of which Elastic clamping plate (31a, 31b) is arranged in parallel, another Elastic clamping plate (31c) and preceding two
A to be staggeredly oppositely arranged, described two clamping plate being mutually parallel (31a, 31b) upper ends are equipped with is inserted into three convenient for plastics (10)
The upper end of ramped shaped guide portion (311) between clamping plate (31), another clamping plate (31c) is equipped with for preventing plastics (10) upward
Movable reversed acanthoid structure；The clamping plate (31) and lower cover (30) integrated injection forming.
3. fuel pump according to claim 2, it is characterised in that：The lower cover (30) is equipped with and is protruded out into the cavity
The carbon brush casing (32) of setting, the carbon brush casing (32) are connected to the carbon brush mounting hole；Energy is equipped in the upper cover (20)
Enough it is against the retaining wall (23) of carbon brush casing (32) upper end, the carbon brush casing (32) and lower cover (30) integrated injection forming.
4. fuel pump according to claim 3, it is characterised in that：The upper surface of the lower cover (30) is equipped with a round platform
(33), the inner ring surface of the round platform (33) and upper cover (20), which is constituted, is interference fitted.
5. fuel pump according to claim 1, it is characterised in that：Pass through a mistake between the coil (14) and conducting wire (12)
Cross sheet metal (16) connection, the transition metal piece (16) pours that be encapsulated in plastics (10) internal, two transition metal pieces (16) with
It is linked into an integrated entity formula structure by an interconnecting piece (111) between two conductive sheets (11), the interconnecting piece (111) and two conductive sheets (11)
With two transition metal piece (16) integral type punching shapings.
6. fuel pump according to claim 5, it is characterised in that：The interconnecting piece (111) is located in packaging area, described
It is equipped with a through-hole (101) with interconnecting piece (111) corresponding position on plastics (10), it is logical that the interconnecting piece (111) is exposed to this
In hole (101), to twist the interconnecting piece (111) that breaks, two conductive sheets (11) and two transition metal pieces (16) is made to be separated from each other.
7. fuel pump according to claim 6, it is characterised in that：Two conductive sheet (11) is located at the portion in encapsulating structure
Be divided to and two transition metal pieces (16) on be stamped with concave convex texture (112), with improve and plastics (10) between adhesive force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810312166.5A CN108443139A (en) | 2018-04-09 | 2018-04-09 | A kind of fuel pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810312166.5A CN108443139A (en) | 2018-04-09 | 2018-04-09 | A kind of fuel pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108443139A true CN108443139A (en) | 2018-08-24 |
Family
ID=63199385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810312166.5A Withdrawn CN108443139A (en) | 2018-04-09 | 2018-04-09 | A kind of fuel pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108443139A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5326235A (en) * | 1991-02-21 | 1994-07-05 | Swf Auto-Electric Gmbh | Electric motor with attached pump |
| CN1304478A (en) * | 1999-05-11 | 2001-07-18 | 曼内斯曼Vdo股份公司 | Connector for fuel pump of motor vehicle |
| CN202029122U (en) * | 2011-01-27 | 2011-11-09 | 上海昆杰五金工具有限公司 | Lining plate |
| CN204024883U (en) * | 2014-08-12 | 2014-12-17 | 浙江恒兴汽车零部件有限公司 | The anticorrosion electric-spraying fuel pump of electrode plastic packaging |
| CN204113512U (en) * | 2014-09-30 | 2015-01-21 | 温州安佳汽车零部件有限公司 | Electronic fuel pump |
| CN204591556U (en) * | 2015-05-04 | 2015-08-26 | 温州市康松汽车零部件有限公司 | Vehicle electric injection fuel pump |
| CN107630899A (en) * | 2016-07-18 | 2018-01-26 | 天津市天龙得冷成型部件有限公司 | improved injection nut |
| CN208348048U (en) * | 2018-04-09 | 2019-01-08 | 安徽宝隽机车部件有限公司 | A kind of fuel pump |
-
2018
- 2018-04-09 CN CN201810312166.5A patent/CN108443139A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5326235A (en) * | 1991-02-21 | 1994-07-05 | Swf Auto-Electric Gmbh | Electric motor with attached pump |
| CN1304478A (en) * | 1999-05-11 | 2001-07-18 | 曼内斯曼Vdo股份公司 | Connector for fuel pump of motor vehicle |
| CN202029122U (en) * | 2011-01-27 | 2011-11-09 | 上海昆杰五金工具有限公司 | Lining plate |
| CN204024883U (en) * | 2014-08-12 | 2014-12-17 | 浙江恒兴汽车零部件有限公司 | The anticorrosion electric-spraying fuel pump of electrode plastic packaging |
| CN204113512U (en) * | 2014-09-30 | 2015-01-21 | 温州安佳汽车零部件有限公司 | Electronic fuel pump |
| CN204591556U (en) * | 2015-05-04 | 2015-08-26 | 温州市康松汽车零部件有限公司 | Vehicle electric injection fuel pump |
| CN107630899A (en) * | 2016-07-18 | 2018-01-26 | 天津市天龙得冷成型部件有限公司 | improved injection nut |
| CN208348048U (en) * | 2018-04-09 | 2019-01-08 | 安徽宝隽机车部件有限公司 | A kind of fuel pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180824 |