CN100374710C - Connection piece for a fuel pump - Google Patents
Connection piece for a fuel pump Download PDFInfo
- Publication number
- CN100374710C CN100374710C CNB2004800011532A CN200480001153A CN100374710C CN 100374710 C CN100374710 C CN 100374710C CN B2004800011532 A CNB2004800011532 A CN B2004800011532A CN 200480001153 A CN200480001153 A CN 200480001153A CN 100374710 C CN100374710 C CN 100374710C
- Authority
- CN
- China
- Prior art keywords
- plug
- connected element
- fuel pump
- sealing lip
- electrical connector
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/04—Feeding by means of driven pumps
- F02M37/08—Feeding by means of driven pumps electrically driven
-
- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
-
- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/04—Feeding by means of driven pumps
- F02M37/08—Feeding by means of driven pumps electrically driven
- F02M2037/082—Details of the entry of the current supply lines into the pump housing, e.g. wire connectors, grommets, plugs or sockets
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Motor Or Generator Frames (AREA)
Abstract
Disclosed is a fuel pump in which a plug (7) used for mounting electrical contacts (6) is extrusion-coated with a plastic coat and is inserted into a receiving device (12) of a connection piece (4). The plug (7) comprises a circumferential sealing lip (17) which is molded on as a single piece and seals the plug (7) from the connection piece (4). The connection piece (4) thus requires a particularly low number of parts and can be produced in an inexpensive manner.
Description
Technical field
The present invention relates to a kind of connected element that is used to have the fuel pump of a receiving element, plug with an electrical connector is set in described receiving element, described plug links together the motor and the power supply network of a fuel pump, and wherein plug utilizes the plastic pressure injection moulding to seal to make.
Background technique
The fuel pump of automobile adopts this connected element at present, and it is used for a common shell and a pump stage and known in actual applications of engage motor.For easy for installation, electrical connector passes the opening that is arranged in the connected element, and a seal ring that is arranged on around the electrical connector prevents that fuel oil from overflowing.So just make the discharge pressure that produces by fuel pump to keep also can supplying with by connected element by the pipe joint of delivery pipe.The shortcoming of known connected element is that seal ring itself and installation cost thereof are too high, and in addition, when mounting and connection parts, electrical connector may destroy the connected element that is made of plastics.
In addition, known in actual applications a kind of connected element, wherein plug is sealed by the plastic pressure injection moulding of connected element and is made.This has increased the manufacture cost of connected element equally.
Summary of the invention
Task of the present invention is the connected element that a kind of this paper of design starts described form, makes that this connected element is easy to make and install.
Can solve like this according to this task of the present invention, promptly plug have one integrally formed around sealing lip, sealing lip is encapsulated in to make in the job step together with the plastic pressure injection moulding of plug and forms.
According to the present invention, a kind of connected element that is used for fuel pump is provided, this connected element has a receiving element, motor and the plug that power supply network links together with fuel pump is set in this receiving element, this plug has electrical connector, wherein plug is sealed by the plastic pressure injection moulding and is made, and it is characterized in that plug has the sealing lip of an integrally formed surrounding type.
By this design proposal, just no longer need seal ring to come sealing plug according to connected element of the present invention, therefore need a spot of member to be installed especially.The pressure injection-moulded adjacent members that seals according to connected element of the present invention of sealing of plug has just no longer been needed.Therefore, process especially easily according to connected element of the present invention.
If when on plug, in the recess region of electrical connector seal lip being set, can make plug in connected element, reach good sealing effect.
In order further to improve sealing effect, sealing lip occupies a zone of pointing to the electrical connector direction.This advantage that is had that aligns of sealing lip is: when in connected element plug being installed, sealing lip produces distortion.In addition, the resiliently deformable of sealing lip makes the seal lip under the installment state be in the pretension state, thereby can reach the effect that improves sealability.
Because in according to connected element of the present invention when it is installed on the fuel pump, the pressure of fuel oil itself just acts on the plug from a side, have another advantage with regard to the sealing lip that makes and the electrical connector direction aligns like this, promptly the interior pressure of fuel pump can sealing plug.Based on the structure of seal lip, interior pressure is pressed to connected element with sealing lip, and wherein the sealing lip pressure of pressing to connected element strengthens along with the raising of fuel pump internal pressure.
When plug is installed in the groove of connected element with transition fit or in the mode of interference fit, can also further simplify manufacturing according to connected element of the present invention.
If receiving element has corresponding fastener mutually with plug, so according to another favourable improvement project of the present invention, the pre-installation of plug is just simple especially in receiving element.Therefore, fastener can be used as the installation supplementary structure of plug.
Known connected element generally adopts the axle sleeve that is made of metal to support an axle of fuel pump built-in motor in the practical application.But,, can further simplify installation so according to connected element of the present invention if an alms bowl connected in star that is used for directly supporting the axle of motor is set on receiving element next door.No longer need in according to connected element of the present invention, use and fix an axle sleeve of making separately thus.
If be provided for two guide rails of the brush of attachment plug in the motor on receiving element next door, can make integrated more simple according to a plurality of members of connected element of the present invention.
If receiving element, guide rail and alms bowl connected in star arrange in parallel to each other, according to connected element of the present invention can cost economy by the forming of plastics with the Shooting Technique manufacturing, and be easy to from injection mould, make the axial demoulding of connected element.
If plug is sealed by the plastic pressure injection moulding and made and electrical connector and the attachment portion that leads to the guiding of brush are also sealed by the plastic pressure injection moulding and made, the corrosion of electric lead just can be avoided reliably according to another favourable improvement project of the present invention so.
If when an earth lead of drawing from plug guided to lower limb of connected element, wherein said edge was used for connecting the housing of motor, can prevent that according to connected element of the present invention itself is filled with static by small especially spatial structure.
Description of drawings
The present invention can adopt numerous embodiments.In order to further specify basic principle of the present invention, hereinafter will describe one of them mode of execution in conjunction with the accompanying drawings.
Fig. 1: have schematic representation according to the fuel pump of connected element of the present invention,
Fig. 2: among Fig. 1 according to the partial view of connected element of the present invention,
Fig. 3: among Fig. 2 according to the zoomed-in view at connected element details III of the present invention place.
Embodiment
Fig. 1 illustrates a fuel pump, and it has the pump stage 2 that driven by motor 1 on the automobile and one and is fixed on a connected element 4 on the housing 3.A pipe joint 5 is arranged on the connected element 4, and this pipe joint is used for delivery pipe is guided into the internal-combustion engine of automobile.In addition, connected element 4 has the electrical connector 6 that is used for motor 1 on the fuel pump.
Fig. 2 illustrates the partial enlarged drawing of connected element 4 among Fig. 1, and electrical connector 6 is arranged on the plug 7.Described plug 7 utilizes plastic foreskin 8 pressure injection-moulded sealing, and is used for the reactor 9 of motor 1 commutator and two brushes 10 among Fig. 1 and stretches out from plastic foreskin.Brush 10 guides in the elongated guide rail of connected element 4 and by means of the elastic element pretension on motor 1 direction shown in Figure 1.Plug 7 is fastening by the fastener 11 in the receiving element 12 of connected element 4, and passes by means of an edge of a groove 14 on the connected element 4.In addition, there are an alms bowl connected in star, this groove can be used for directly supporting an axle of motor at the center of connected element 4.An earth lead 16 guides to the lower limb of connected element 4 from joint 7.
Fig. 3 has greatly amplified 13 zones, edge of plug 7 and the groove 14 of connected element 4.Herein as can be seen, the plastic foreskin 8 of plug 7 directly contacts with the groove 14 of connected element 4 by its edge 13.An integrally formed sealing lip 17 in the zone at electrical connector 6 on the plastic foreskin 8 of plug 7.Seal lip 17 occupies a zone 18, and it points to the direction of electrical connector 6, and sealing lip 17 can link to each other with connected element 4 under installment state like this.By the transmission of the fuel pump shown in Fig. 1 fuel oil the time, in housing 3, form overvoltage, this overvoltage acts on the plug 7, and therefore acts on the sealing lip 17, so just makes sealing lip 17 and connected element 4 compress.
The edge 13 of plug 7 and connected element 4 are made and are had transition fit or an interference fit size with the expandable plastics of fuel oil by a kind of.Plug 7 can insert in the receiving element 12 of connected element 4 when mounted like this, until fastener 11 plug 7 is fixed in its position.By with the contacting of fuel oil, edge 13 expands with groove 14 and additionally plug 7 tops is sealed to connected element 4.
Claims (4)
1. the connected element that is used for fuel pump, this connected element has a receiving element, motor and the plug that power supply network links together with fuel pump is set in this receiving element, this plug has electrical connector, wherein plug is sealed by the plastic pressure injection moulding and is made, it is characterized in that plug (7) has the sealing lip (17) of an integrally formed surrounding type.
2. according to the described connected element of claim 1, it is characterized in that sealing lip (17) is arranged on plug (7) and goes up in groove (14) zone of electrical connector (6).
3. according to claim 1 or 2 described connected elements, it is characterized in that sealing lip (17) occupies a zone (18) of pointing to electrical connector (6).
4. according to the described connected element of claim 2, it is characterized in that sealing lip (17) can resiliently deformable.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10313985A DE10313985A1 (en) | 2003-03-27 | 2003-03-27 | Connector for a fuel pump |
| DE10313985.0 | 2003-03-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1701175A CN1701175A (en) | 2005-11-23 |
| CN100374710C true CN100374710C (en) | 2008-03-12 |
Family
ID=32946269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004800011532A Expired - Fee Related CN100374710C (en) | 2003-03-27 | 2004-03-11 | Connection piece for a fuel pump |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20050287023A1 (en) |
| EP (1) | EP1532362B1 (en) |
| KR (1) | KR100712326B1 (en) |
| CN (1) | CN100374710C (en) |
| DE (2) | DE10313985A1 (en) |
| ES (1) | ES2305782T3 (en) |
| WO (1) | WO2004085823A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10213995C1 (en) * | 2002-03-27 | 2003-09-25 | Siemens Ag | Connection fitting for automobile engine fuel pump, has socket for reception of plug provided with electrical contacts for supplying current to pump motor |
| BRMU8900643Y1 (en) * | 2009-04-17 | 2017-04-25 | Robert Bosch Ltda | housing for the control electronics of a brushless dc motor |
| CN104847620B (en) * | 2015-04-28 | 2017-10-10 | 胡金花 | Automobile electric fuel pump |
| CN108131226B (en) * | 2018-01-31 | 2019-05-10 | 重庆安布伦斯科技有限公司 | A kind of plug for automobile fuel pump |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4961018A (en) * | 1989-08-11 | 1990-10-02 | Wayne/Scott Fetzer Company | Enclosed pump motor and wiring thereof |
| US5284448A (en) * | 1990-06-20 | 1994-02-08 | Robert Bosch Gmbh | Electrical device, in particular a switching and control unit for motor vehicles |
| DE4314453A1 (en) * | 1993-05-03 | 1994-11-10 | Vdo Schindling | Fuel feed unit |
| GB2292267A (en) * | 1994-08-11 | 1996-02-14 | Whitaker Corp | A fuel pump unit and an electrical connector therefor |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3220090A1 (en) * | 1982-05-28 | 1983-12-01 | Robert Bosch Gmbh, 7000 Stuttgart | Device for the electrical contacting of an electromagnetically actuated fuel injection valve |
| JPH0747966Y2 (en) * | 1989-11-22 | 1995-11-01 | 愛三工業株式会社 | Electric pump |
| US5266051A (en) * | 1992-11-27 | 1993-11-30 | General Motors Corporation | One piece grommet |
| JP3521449B2 (en) * | 1993-09-27 | 2004-04-19 | 株式会社デンソー | In-tank fuel pump |
| JPH0869832A (en) * | 1994-08-30 | 1996-03-12 | Sumitomo Wiring Syst Ltd | Connector installing structure for fuel tank |
| US5631445A (en) * | 1994-10-07 | 1997-05-20 | Ford Motor Company | Automotive fuel tank electrical fitting |
| DE69604728T2 (en) * | 1995-06-09 | 2000-03-02 | Sumitomo Wiring Systems | Installation structure of a connector for a fuel tank |
| US5622273A (en) * | 1995-09-15 | 1997-04-22 | Crown Cork & Seal Company, Inc. | Resealable snap-fit plastic closure |
| US5697769A (en) * | 1995-09-25 | 1997-12-16 | Walbro Corporation | Fuel pump outlet assembly |
| EP0898795B1 (en) * | 1996-02-27 | 2000-04-12 | Danfoss A/S | Housing for an electrical device |
| DE19915258C1 (en) * | 1999-04-03 | 2000-12-07 | Bosch Gmbh Robert | Housing for a feed pump driven by an electric motor |
| DE19921539B4 (en) * | 1999-05-11 | 2004-07-22 | Siemens Ag | Connector for a fuel pump of a motor vehicle |
| US6555754B2 (en) * | 2001-01-18 | 2003-04-29 | Walbro Corporation | Automotive fuel tank electrical fitting |
| US6783336B2 (en) * | 2002-06-28 | 2004-08-31 | Visteon Global Technologies, Inc. | Fuel sender assembly |
| US6890160B2 (en) * | 2002-11-05 | 2005-05-10 | Visteon Global Technologies, Inc. | Fuel pump having electrically biased shell |
-
2003
- 2003-03-27 DE DE10313985A patent/DE10313985A1/en not_active Withdrawn
-
2004
- 2004-03-11 CN CNB2004800011532A patent/CN100374710C/en not_active Expired - Fee Related
- 2004-03-11 EP EP04739063A patent/EP1532362B1/en not_active Expired - Fee Related
- 2004-03-11 KR KR1020057007276A patent/KR100712326B1/en not_active IP Right Cessation
- 2004-03-11 WO PCT/EP2004/002531 patent/WO2004085823A1/en active IP Right Grant
- 2004-03-11 DE DE502004007115T patent/DE502004007115D1/en not_active Expired - Lifetime
- 2004-03-11 ES ES04739063T patent/ES2305782T3/en not_active Expired - Lifetime
- 2004-03-11 US US10/533,022 patent/US20050287023A1/en not_active Abandoned
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4961018A (en) * | 1989-08-11 | 1990-10-02 | Wayne/Scott Fetzer Company | Enclosed pump motor and wiring thereof |
| US5284448A (en) * | 1990-06-20 | 1994-02-08 | Robert Bosch Gmbh | Electrical device, in particular a switching and control unit for motor vehicles |
| DE4314453A1 (en) * | 1993-05-03 | 1994-11-10 | Vdo Schindling | Fuel feed unit |
| GB2292267A (en) * | 1994-08-11 | 1996-02-14 | Whitaker Corp | A fuel pump unit and an electrical connector therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1532362B1 (en) | 2008-05-14 |
| CN1701175A (en) | 2005-11-23 |
| ES2305782T3 (en) | 2008-11-01 |
| EP1532362A1 (en) | 2005-05-25 |
| WO2004085823A1 (en) | 2004-10-07 |
| KR20050071630A (en) | 2005-07-07 |
| US20050287023A1 (en) | 2005-12-29 |
| DE502004007115D1 (en) | 2008-06-26 |
| DE10313985A1 (en) | 2004-10-07 |
| KR100712326B1 (en) | 2007-04-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CONTINENTAL AUTOMOTIVE GMBH Free format text: FORMER OWNER: SIEMENS AKTIENGESELLSCHAFT Effective date: 20110614 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: MUNICH, GERMANY TO: HANNOVER, GERMANY |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110614 Address after: Hannover Patentee after: Continental Automotive GmbH Address before: Munich, Germany Patentee before: Siemens AG |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hannover Patentee after: Continental Automotive GmbH Address before: Hannover Patentee before: Continental Automotive GmbH |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080312 Termination date: 20140311 |