CN105247745A - Support element for electric motor brush for fuel pump - Google Patents
Support element for electric motor brush for fuel pump Download PDFInfo
- Publication number
- CN105247745A CN105247745A CN201480009794.6A CN201480009794A CN105247745A CN 105247745 A CN105247745 A CN 105247745A CN 201480009794 A CN201480009794 A CN 201480009794A CN 105247745 A CN105247745 A CN 105247745A
- Authority
- CN
- China
- Prior art keywords
- brush
- support component
- fuel pump
- leg
- central portion
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/38—Brush holders
- H01R39/40—Brush holders enabling brush movement within holder during current collection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K13/00—Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation
- H02K13/006—Structural associations of commutators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/14—Means for supporting or protecting brushes or brush holders
- H02K5/143—Means for supporting or protecting brushes or brush holders for cooperation with commutators
- H02K5/148—Slidably supported brushes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Current Collectors (AREA)
- Motor Or Generator Frames (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a support element (6) for an electric motor brush for a fuel pump of an automobile vehicle. The support element (6) is permanently mounted on the body (3) of a fuel pump (1), above an assembly formed by a brush (9), the assembly being provided with wiring (8) and a spring (7), and being contained inside a brush holder (10) in the body (3) of the fuel pump (1). The support element (6) has a central part (6b) arranged on the brush (9) and spring (7) assembly contained inside the brush holder (10), a lateral projection (6d) in contact with the wiring (8), a leg (6a) bent towards the body (3) of the fuel pump (1) and a leg (6c) bent away from the body (3) of the fuel pump (1).
Description
Technical field
The present invention relates to the support component of fuel pump with electronic motor electrical brush of motor vehicles, described support component is fixedly mounted on fuel pump body, and be positioned on the assembly that formed by the brush being provided with cable and spring, described assembly is contained in brush carriage.
Background technology
In the motor vehicle, fuel pump is activated by electro-motor, and electro-motor utilizes brush to run under d.c. current under many circumstances.Brush is pressed against on commutator, and this commutator guides electric current into motor winding.For ensureing always electrical contact between brush and commutator, brush is usually by spring supporting, and brush is pressed against on commutator by this spring.Under spring pressure, the rotation of commutator when contacting with brush As time goes on, and the brush be typically made of graphite can be made to produce certain wearing and tearing.Therefore, brush is resisted against on commutator by spring and moves, to compensate described wearing and tearing.
In the prior art, usually realize spring by independent structural detail and execute the power supply of stressed support function and motor and the electrical contact function of brush to brush, this makes the production of motor expensive and is difficult to assembling.
At document US4,246, in 508, describe the brush support assembly as the small electric motors for hand tool, wherein, bonder terminal is positioned between spring and brush, and is connected to power supply.The function of bonder terminal makes brush in a secured manner closer to commutator.The stroke (course) of bonder terminal is limited by its bar, and keeps according to vertical line pendulum (verticalflap) aiming at.In this case, there is the function of brush and electrical contact and brush guide its path in single part function relative to commutator.But because brush should from inside to outside be installed, assembly is installed still has difficulty.This configuration needs unloading motor drive shaft to change brush.
Except providing electrical contact between the brush and power supply of d.c. motor, to this invention also solves in prior art spring thus be also the problem provided support brush, all these problems all solve on the single parts be easy to manufacture and assemble.
Summary of the invention
In the present invention, the support of spring and brush and brush and contacting of power supply are only realized by a metal parts.Described support component is configured to have three different parts.Central portion, except providing with except the groove of brush electrical contact, also provides support spring and brush.Be formed from central portion stretch out and towards upper L shape leg Part II can with electrical contact.The Part III being formed prone L shape leg is equally fixed to the opening of fuel pump thus provides fixing for described assembly.Support component of the present invention is obtained by punching press by single metal workpiece, and therefore cost is lower.Because support component coordinates with fuel pump by single-point is fixing, therefore it installs simple.
Accompanying drawing explanation
Example now with reference to the embodiment shown in figure describes the present invention in more detail.Accompanying drawing shows:
-Fig. 1 is the perspective view of the lid of the fuel pump driven by electric DC motor, and described cover is depicted as and is arranged on the pump housing;
-Fig. 2 is the view of the object in Fig. 1, shows the lid of fuel pump in the mode of having an X-rayed;
-Fig. 3 is the decomposition view according to the assembly formed by support component, spring and brush of the present invention;
-Fig. 4 shows the perspective view that the element portion in Fig. 3 is installed; And
-Fig. 5 shows the perspective view that the parts in Fig. 3 are installed completely.
Embodiment
As what can see from Fig. 1, lid 2 is positioned on the body 3 of fuel pump 1.Lid 2 has opening 5, and this opening 5 is for the flowing of the fuel oil by fuel pump 1 pumping.Lid 2 has cloudy engagement protrusion 4, further to receive the electric connector for the electro-motor feed for pump 1.Engagement protrusion 4 to protect them from unexpected contact around electrical contact 6c, thus reduces the impact of electrochemical corrosion and ensure that the supply of electric connector is fixed (foodfixation).Engagement protrusion 4 is provided with the snap fit engagement parts 4a being disposed in side.
In fig. 2, for ease of observing its inner body, show the lid 2 of fuel pump 1 in the mode of having an X-rayed.Can find out, electrical contact 6c is positioned in cloudy engagement protrusion 4.The opening 5 for fuel flow and the brush carriage 10 that lid 2 and the pump housing 3 one-tenth are integrated can also be seen.Fig. 3 shows the assembly be positioned on the lid 2 of fuel pump with exploded view.Support component 6, spring 7, cable 8, brush 9, brush carriage 10 and construction opening 12 can be seen.
Helical spring 7 is installed on brush 9, locates described brush 9 for the commutator against d.c. motor.The electrical connection of external power source and brush 9 is realized by cable 8 by means of support component 6.The vertical motion of cable 8 is discharged by the vertical opening 11 in the wall of brush carriage 10, to follow the moving downward relative to commutator caused by the fair wear and tear of brush 9.
Support component 6 is divided into three parts substantially.Central portion 6b, side shoulder 6d gives prominence to from this central portion 6b, and wherein, central portion 6b is rendered as the plane domain having and can carry out the size suitably supported to spring 7.Central portion 6b is oriented to the upper opening covering brush carriage 10, thus closes the space at spring 7 and brush 9 place.Central portion 6b also has roughly at the hole 6e of central authorities, and this hole 6e is used as the guiding piece on brush carriage 10 during mounting spring 7.Side shoulder 6d presents the V-notch for assembling cable 8.This assembling ensure that the electrical contact of the motor of electric energy being guided into fuel pump 1.Side shoulder 6d is positioned in the side be positioned at for the side breach 11 of cable 8 of brush carriage 10.
With the side leg 6a of an angle of 90 degrees bending from central portion 6b to downward-extension.The leg 6a that width can be less than central portion 6b is inserted in the opening 12 adjacent with the brush 10 of fuel pump 1.Along with leg 6a is fixed in opening 12 to downward-extension, whole support component 6 is fixed in its installation site, prevents vertically and transverse movement.Therefore, spring 7 can act on securely against the brush 9 in brush carriage 10.In the opposition side of the leg 6a of central portion 6b, project upwards in the side contrary with leg 6a with the second leg 6c of an angle of 90 degrees bending equally, leg 6c can have the size identical with leg 6a, and the end of leg 6c is tapered with the cable that can be connected to for the motor energy feeding to fuel pump.But the end of leg 6c also can be constructed to and feeder cable electrical contact in any suitable manner.
In the ordinary course of things, can say, support component 6 according to the present invention can have arbitrary shape, on the one hand, support component 6 is that spring 7 in brush carriage 10 and brush 9 provide support, in addition brush 9 can be made to be connected with the power electric of pump with motor, and the firm installation of the body 3 of described assembly and fuel pump 1 can be guaranteed.
Support component 6 can be obtained by the workpiece of steel, steel alloy or another kind of punching press rigid metal, and wherein last sample can carry out the corrosion-resistant treatments under the erosion environment condition in motor vehicles fuel tank.Producing the thickness of the steel plate used in support component 6, this thickness should be made can to guarantee the dimensional stability of part, even when bearing the power of the spring 7 acted on central portion 6b thus bear the moment of the leg 6a be applied in insertion opening 12, be also like this.Suitable thickness is also the overheated deciding factor of the part caused by the overcurrent in the system preventing from causing because overcharging.Suitable thickness also should be enough to resist the vibration applied.
Can see assembly same as shown in Figure 3 in the diagram, but brush 9 and spring 7 are inserted in brush carriage 10.As described in, utilize the side shoulder 6d of support component 6, cable 8 also has the effect of the electrical contact ensured between brush 9 and the power supply of fuel pump.In the figure, can see that cable 8 has been positioned in the side opening 11 of brush carriage 10.As a result, the leg 6a of support component 6 is inserted in opening 12, puts maintenance joint at this.With identical erection sequence, cable 8 contacts by crimping and/or weld the V-notch takeing on 6d with side, to guarantee electrical contact.As shown in Figure 3, the correct location of spring 7 on brush 9 is guaranteed by the circle shoulder 9a on brush 9 top.
In Figure 5, whole assembly according to the present invention is mounted, and support component 6 plays the function be pressed against by spring 7 on brush 9.By being bonded in opening 12 by leg 6a, support component 6 is maintained in its position.Guarantee to be connected to the electrical contact between the leg 6c of power supply and brush 9 by cable 8, this cable 8 by crimp and/or weld be inserted and secured on side shoulder 6d V-notch in.
The installation of support component 6 of the present invention is carried out with the order of Fig. 3, Fig. 4 and Fig. 5.Dismounting is then carry out in reverse order, that is, from Fig. 5 to Fig. 3.Therefore, clearly, support component 6 of the present invention makes it possible to mount and dismount brush 9 rapidly on brush carriage 10, thus saves the built-up time of fuel pump 1.
Describe the preferred embodiment of execution mode, should be appreciated that scope of the present invention comprises other possible modification, only limited by the content of appended claim, include possible equivalent.
Claims (9)
1. the fuel pump support component of electronic motor electrical brush of motor vehicles, wherein, described support component (6) is adjacent to fixedly mount with the brush carriage (10) of fuel pump (1), be positioned on the assembly that formed by the brush (9) being provided with cable (8) and spring (7), described assembly is contained in described brush carriage (10), it is characterized in that: described support component (6) has the central portion (6b) be positioned on described brush carriage (10), the side contacted with described cable (8) is takeed on (6d), towards the body (3) of described fuel pump (1) bending leg (6a) and deviate from the bending leg (6c) of body (3) of described fuel pump (1).
2. support component as claimed in claim 1, is characterized in that: described leg (6a) is inserted in the opening (12) adjacent with the described brush carriage (10) of described fuel pump (1).
3. support component as claimed in claim 1, is characterized in that: described side shoulder (6d) has V-notch.
4. support component as claimed in claim 2, is characterized in that: described side shoulder (6d) is positioned on the side of the side breach (11) towards described brush carriage (10) of described central portion (6b).
5. support component as claimed in claim 1, is characterized in that: the width of described leg (6a, 6c) is less than the width of described central portion (6b).
6. the support component as described in any one in claim 1 to 5, is characterized in that: have in described central portion (6b) roughly in the hole (6e) of central authorities.
7. the support component as described in any one in claim 1 to 6, is characterized in that: described leg (6a, 6c) bends with an angle of 90 degrees relative to described central portion (6b).
8. the support component as described in any one in claim 1 to 7, is characterized in that being obtained by steel or punching press steel alloy.
9. support component as claimed in claim 8, is characterized in that having preservative treatment.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BRBR1020130039918 | 2013-02-20 | ||
| BR102013003991-8A BR102013003991B1 (en) | 2013-02-20 | 2013-02-20 | SUPPORT ELEMENT FOR ELECTRIC MOTOR BRUSH FOR FUEL PUMP |
| PCT/BR2014/000051 WO2014127440A1 (en) | 2013-02-20 | 2014-02-19 | Support element for electric motor brush for fuel pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105247745A true CN105247745A (en) | 2016-01-13 |
| CN105247745B CN105247745B (en) | 2017-09-26 |
Family
ID=51390421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480009794.6A Expired - Fee Related CN105247745B (en) | 2013-02-20 | 2014-02-19 | The support member of the electronic motor electrical brush of fuel pump |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN105247745B (en) |
| BR (1) | BR102013003991B1 (en) |
| WO (1) | WO2014127440A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11817758B2 (en) | 2020-09-18 | 2023-11-14 | Delphi Technologies Ip Limited | Fluid pump and brush spring retainer thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4190781A (en) * | 1977-08-24 | 1980-02-26 | Black & Decker Inc. | Brush system for a portable electric tool |
| US4246508A (en) * | 1978-12-22 | 1981-01-20 | Skil Corporation | Brush holder assemblies for small electric motors |
| DE19934558A1 (en) * | 1999-07-22 | 2001-02-01 | Temic Auto Electr Motors Gmbh | Carbon-brush holder for electric commutator motor, especially small electric motors for motor vehicles, has brush connector wire passed though opening in center part of coiled-strip spring and then fixed on brush head surface |
| CN1700533A (en) * | 2004-04-30 | 2005-11-23 | 德昌电机股份有限公司 | Brush assembly |
| US20060088426A1 (en) * | 2004-10-27 | 2006-04-27 | Ti Group Automotive Systems, L.L.C. | Electric motor fuel pump having a reduced length |
| CN1774854A (en) * | 2003-04-16 | 2006-05-17 | 西门子公司 | Fuel pump comprising an electric motor |
| CN101647179A (en) * | 2007-04-06 | 2010-02-10 | 东炭化工株式会社 | Carbon commutator for fuel pump, carbon brush, and fuel pump with these carbon commutator and carbon brush incorporated therein |
| JP5196927B2 (en) * | 2007-09-13 | 2013-05-15 | 株式会社東芝 | Brush device and electric motor provided with the same |
-
2013
- 2013-02-20 BR BR102013003991-8A patent/BR102013003991B1/en active IP Right Grant
-
2014
- 2014-02-19 CN CN201480009794.6A patent/CN105247745B/en not_active Expired - Fee Related
- 2014-02-19 WO PCT/BR2014/000051 patent/WO2014127440A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4190781A (en) * | 1977-08-24 | 1980-02-26 | Black & Decker Inc. | Brush system for a portable electric tool |
| US4246508A (en) * | 1978-12-22 | 1981-01-20 | Skil Corporation | Brush holder assemblies for small electric motors |
| DE19934558A1 (en) * | 1999-07-22 | 2001-02-01 | Temic Auto Electr Motors Gmbh | Carbon-brush holder for electric commutator motor, especially small electric motors for motor vehicles, has brush connector wire passed though opening in center part of coiled-strip spring and then fixed on brush head surface |
| CN1774854A (en) * | 2003-04-16 | 2006-05-17 | 西门子公司 | Fuel pump comprising an electric motor |
| CN1700533A (en) * | 2004-04-30 | 2005-11-23 | 德昌电机股份有限公司 | Brush assembly |
| US20060088426A1 (en) * | 2004-10-27 | 2006-04-27 | Ti Group Automotive Systems, L.L.C. | Electric motor fuel pump having a reduced length |
| CN101647179A (en) * | 2007-04-06 | 2010-02-10 | 东炭化工株式会社 | Carbon commutator for fuel pump, carbon brush, and fuel pump with these carbon commutator and carbon brush incorporated therein |
| JP5196927B2 (en) * | 2007-09-13 | 2013-05-15 | 株式会社東芝 | Brush device and electric motor provided with the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105247745B (en) | 2017-09-26 |
| BR102013003991B1 (en) | 2021-04-27 |
| WO2014127440A1 (en) | 2014-08-28 |
| BR102013003991A2 (en) | 2014-11-04 |
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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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170926 Termination date: 20190219 |