CN105247745B - The support member of the electronic motor electrical brush of fuel pump - Google Patents
The support member of the electronic motor electrical brush of fuel pump Download PDFInfo
- Publication number
- CN105247745B CN105247745B CN201480009794.6A CN201480009794A CN105247745B CN 105247745 B CN105247745 B CN 105247745B CN 201480009794 A CN201480009794 A CN 201480009794A CN 105247745 B CN105247745 B CN 105247745B
- Authority
- CN
- China
- Prior art keywords
- brush
- fuel pump
- support member
- motor
- spring
- 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
- 239000000446 fuel Substances 0.000 title claims abstract description 38
- 238000009434 installation Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 2
- 239000000295 fuel oil Substances 0.000 claims description 2
- 238000011282 treatment Methods 0.000 claims description 2
- 238000005452 bending Methods 0.000 claims 6
- 239000003755 preservative agent Substances 0.000 claims 1
- 230000002335 preservative effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
Abstract
The present invention relates to a kind of support member (6) of the electronic motor electrical brush of fuel pump of motor vehicles.Generally realize that spring applies the power supply and the electrical contact function of brush of stressed support function and motor to brush by single structural detail, this make it that the production of motor is expensive and is difficult to assemble.The present invention between power supply except the brush (9) in d.c. motor by providing electrical contact, also to spring (7) so as to also to brush (9) offer support, and it is all these in the single part being easy to manufacture and assemble, so as to solve above mentioned problem.Support member (6) is permanently fixed on the component formed by brush (9) on the body of fuel pump (1) (3), the component is provided with cable (8) and spring (7), and the brush carriage (10) that the component is accommodated in the body of fuel pump (1) (3) is internal.Support member (6) has：Central portion (6b), the central portion (6b), which is disposed in, to be contained on brush carriage (10) internal brush (9) and spring (7) component；The transverse projections (6d) contacted with cable (8)；The leg (6a) that body (3) towards fuel pump (1) is bent；And the leg (6c) that the body (3) away from fuel pump (1) is bent.
Description
Technical field
The present invention relates to support member of the fuel pump of motor vehicles with electronic motor electrical brush, the support member is fixed
Ground is arranged on fuel pump body, is positioned on the component formed by the brush provided with cable and spring, and the component is accommodated
In brush carriage.
Background technology
In the motor vehicle, fuel pump is activated by electro-motor, and electro-motor utilizes brush in direct current under many circumstances
Electricity is lower to be run.Brush is pressed against on commutator, and the commutator guides electric current into motor windings.To ensure between brush and commutator
Always make electrical contact with, brush is generally by spring supporting, and brush is pressed against on commutator by the spring.Commutator exists under spring pressure
With the rotation in the case of brush contact over time, the brush being typically made of graphite can be made to produce certain mill
Damage.Therefore, brush is resisted against on commutator by spring and moved, to compensate the abrasion.
In the prior art, generally realized by single structural detail spring brush is applied stressed support function and
The power supply of motor and the electrical contact function of brush, this make it that the production of motor is expensive and is difficult to assemble.
In document US4,246,508, describe such as hand tool small electric motors brush support
Component, wherein, bonder terminal is positioned between spring and brush, and is connected to power supply.The function of bonder terminal is
Make brush in a secured manner closer to commutator.The stroke (course) of bonder terminal is limited by its bar, and according to
Vertical line puts (vertical flap) and keeps alignment.In this case, function and electricity with brush and electrical contact
Brush guides the function in its path in single part relative to commutator.But, because brush should be installed from inside to outside, component peace
Dress 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, this invention also solves in the prior art to bullet
The problem of spring is so as to be also to brush offer support, all these problems are solved in the single part being easy to manufacture and assemble
Certainly.
The content of the invention
In the present invention, the contact of the support of spring and brush and brush with power supply is only realized by a metal parts.
The support member is configured to have three different parts.Central portion is in addition to providing the groove made electrical contact with brush, also
Support is provided to spring and brush.The Part II for being formed L-shaped leg from central portion stretching and upwardly can be with electricity
Source makes electrical contact with.The Part III for being equally formed L-shaped leg downwards is fixed to the opening of fuel pump to be described group
Part provides fixation.The support member of the present invention is made by single metal workpiece by punching press, therefore cost is relatively low.Due to supporting part
Part is fixed by single-point to be coordinated with fuel pump, therefore it installs simple.
Brief description of the drawings
The present invention is more fully described in example now with reference to the embodiment shown in figure.Accompanying drawing is shown：
- Fig. 1 is the perspective view of the lid of the fuel pump driven by electric DC motor, and the lid is shown as being arranged on the pump housing
On；
- Fig. 2 is the view of the object in Fig. 1, and the lid of fuel pump is shown in the way of perspective；
- Fig. 3 is the decomposition view of the component formed by support member, spring and brush according to the present invention；
- Fig. 4 is to show the perspective view that the element portion in Fig. 3 is installed；And
- Fig. 5 is to show the perspective view that the part in Fig. 3 is installed completely.
Embodiment
As can with it is seen from figure 1 that, lid 2 is positioned on the body 3 of fuel pump 1.Lid 2 has opening 5, the opening
5 for the flowing of the fuel oil pumped by fuel pump 1.Lid 2 further has cloudy engagement protrusion 4, is used for receiving for the electronic of pump 1
The electric connector of motor feed.Engagement protrusion 4 surrounds electrical contact 6c to protect them from unexpected contact, so as to reduce electrification
Learn the influence of corrosion and ensure that the supply of electric connector is fixed (food fixation).Engagement protrusion 4, which is provided with, to be disposed in
The snap fit engagement part 4a of side.
In fig. 2, for ease of observing its inner body, the lid 2 of fuel pump 1 is shown in the way of perspective.As can be seen that
Electrical contact 6c is positioned in cloudy engagement protrusion 4.It can also be seen that for fuel flow opening 5 and lid 2 is turned into the pump housing 3
The brush carriage 10 of one.Fig. 3 shows the component on the lid 2 for being positioned in fuel pump with exploded view.It can be seen that supporting part
Part 6, spring 7, cable 8, brush 9, brush carriage 10 and construction opening 12.
Helical spring 7 is installed on brush 9, for positioning the brush 9 against the commutator of d.c. motor.It is outside
The electrical connection of power supply and brush 9 is realized by means of support member 6 by cable 8.The vertical motion of cable 8 is by brush carriage 10
Vertical opening 11 in wall discharges, to follow the moving downward relative to commutator as caused by the fair wear and tear of brush 9.
Support member 6 is essentially split to three parts.Central portion 6b, side shoulder 6d are protruded from central portion 6b, wherein, in
Centre portion 6b is rendered as the plane domain with the size that can be suitably supported to spring 7.Central portion 6b is oriented to covering
The upper opening of brush carriage 10, so as to close the space where spring 7 and brush 9.Central portion 6b also has substantially in center
Hole 6e, hole 6e be used as on brush carriage 10 install spring 7 when guiding piece.Side shoulder 6d is showed for assembling cable 8
V-notch.It is this to assemble the electrical contact that ensure that the motor that electric energy is guided into fuel pump 1.Side shoulder 6d is positioned in brush branch
The side being located at for the side breach 11 of cable 8 of frame 10.
The side leg 6a bent with an angle of 90 degrees is extended downwardly from central portion 6b.The leg 6a that width can be less than central portion 6b is inserted
Enter into the opening 12 adjacent with the brush 10 of fuel pump 1., fixed in opening 12, entirely supported as leg 6a is extended downwardly
Part 6 is fixed in its installation site, prevents vertical and transverse movement.Therefore, spring 7 can be pressed against in brush carriage 10
Brush 9 act on securely.In central portion 6b leg 6a opposite side, the second leg 6c equally bent with an angle of 90 degrees with leg 6a
Opposite side is projected upwards, leg 6c can have with leg 6a identical sizes, leg 6c end is tapered to be connectable to use
In the cable of the motor energy feeding to fuel pump.But, leg 6c end can also any appropriate mode be configured to
Feed cable makes electrical contact with.
In general, it may be said that arbitrary shape can be had according to the support member 6 of the present invention, on the one hand, support
Part 6 is that spring 7 and brush 9 in brush carriage 10 provide support, is furthermore possible to make brush 9 be electrically connected with the power supply of motor with pump
Connect, and be able to ensure that the firm installation of the component and the body 3 of fuel pump 1.
Support member 6 can be made by the workpiece of steel, steel alloy or another punching press rigid metal, wherein last sample
The corrosion-resistant treatments under the erosion environment condition in motor vehicles fuel tank can be carried out.Steel used in production support member 6
The thickness of plate, should cause the thickness to be able to ensure that the dimensional stability of part, even bearing to act on central portion 6b
The power of spring 7 so as to the leg 6a for bearing to be applied in insertion opening 12 torque when, be also such.Appropriate thickness is also to prevent
The deciding factor of part overheat caused by the overcurrent in system caused by overcharging.Appropriate thickness should also
It is enough to resist applied vibration.
In Fig. 4 it can be seen that component same as shown in Figure 3, but brush 9 and spring 7 are had been inserted into brush
In support 10.As mentioned, using the side shoulder 6d of support member 6, cable 8 also have ensure brush 9 and fuel pump power supply it
Between electrical contact effect.In this view it may be seen that cable 8 is had been located in the side opening 11 of brush carriage 10.As a result,
The leg 6a of support member 6 is inserted into opening 12, is put and is remained engaged with this.With identical erection sequence, cable 8 passes through crimping
And/or welding is contacted with side shoulder 6d V-notch, to ensure electrical contact.As shown in figure 3, positive determination of the spring 7 on brush 9
Position is ensured by the circular shoulder 9a on the top of brush 9.
In Figure 5, it is mounted according to the whole component of the present invention, support member 6, which is played, is pressed against spring 7 on brush 9
Function.By the way that leg 6a is bonded in opening 12, support member 6 is maintained in its position.Ensure to be connected by cable 8
The electrical contact between the leg 6c of power supply and brush 9 is connected to, the cable 8 is inserted and secured on side shoulder 6d by crimping and/or welding
V-notch in.
The installation of the support member 6 of the present invention is carried out with Fig. 3, Fig. 4 and Fig. 5 order.Dismounting is then with opposite suitable
Sequence is carried out, that is to say, that from Fig. 5 to Fig. 3.It is obvious, therefore, that the support member 6 of the present invention makes it possible in brush carriage 10
On be quickly installed and dismantle brush 9, so as to save the built-up time of fuel pump 1.
The preferred embodiment of embodiment has been described, it will be appreciated that the scope of the present invention includes other possible changes
Type, is only limited by the content of appended claim, includes possible equivalent.
Claims (10)
1. a kind of support member of the electronic motor electrical brush of the fuel pump of motor vehicles, wherein, the support member (6) and fuel oil
The brush carriage (10) of pump (1) is adjacent to fixed installation, is positioned at what is formed by the brush (9) provided with cable (8) and spring (7)
On component, the component is contained in the brush carriage (10), it is characterised in that：The support member (6) has positioning
Central portion (6b) on the brush carriage (10), the side shoulder (6d) contacted with the cable (8), towards the fuel pump
(1) the first of body (3) bends the second bending leg (6c) of leg (6a) and the body (3) away from the fuel pump (1).
2. the fuel pump of the motor vehicles as claimed in claim 1 support member of electronic motor electrical brush, it is characterised in that：Institute
The first bending leg (6a) is stated to be inserted into the opening (12) adjacent with the brush carriage (10) of the fuel pump (1).
3. the fuel pump of the motor vehicles as claimed in claim 1 support member of electronic motor electrical brush, it is characterised in that：Institute
Side shoulder (6d) is stated with V-notch.
4. the fuel pump of the motor vehicles as claimed in claim 2 support member of electronic motor electrical brush, it is characterised in that：Institute
Side shoulder (6d) is stated positioned at the central portion (6b) towards on the side of the side breach (11) of the brush carriage (10).
5. the fuel pump of the motor vehicles as claimed in claim 1 support member of electronic motor electrical brush, it is characterised in that：Institute
State width of the width less than the central portion (6b) of the first bending leg (6a) and the second bending leg (6c).
6. the fuel pump of the motor vehicles as described in any one of claim 1 to 5 support member of electronic motor electrical brush,
It is characterized in that：There is the hole (6e) substantially in center in the central portion (6b).
7. the fuel pump of the motor vehicles as claimed in claim 1 support member of electronic motor electrical brush, it is characterised in that：Institute
State the first bending leg (6a) and the second bending leg (6c) is bent relative to the central portion (6b) with an angle of 90 degrees.
8. the fuel pump of the motor vehicles as claimed in claim 1 support member of electronic motor electrical brush, it is characterised in that by
Steel is obtained.
9. the fuel pump of the motor vehicles as claimed in claim 8 support member of electronic motor electrical brush, it is characterised in that by
Punching press steel alloy is made.
10. the fuel pump of the motor vehicles as claimed in claim 8 support member of electronic motor electrical brush, it is characterised in that tool
There is preservative treatment.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BR102013003991-8A BR102013003991B1 (en) | 2013-02-20 | 2013-02-20 | SUPPORT ELEMENT FOR ELECTRIC MOTOR BRUSH FOR FUEL PUMP |
| BRBR1020130039918 | 2013-02-20 | ||
| 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 CN105247745A (en) | 2016-01-13 |
| CN105247745B true 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 (7)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7874818B2 (en) * | 2004-10-27 | 2011-01-25 | Ti Group Automotive Systems, L.L.C. | Electric motor fuel pump having a reduced length |
-
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 (7)
| 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 |
| 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 |
|---|---|
| CN105247745A (en) | 2016-01-13 |
| WO2014127440A1 (en) | 2014-08-28 |
| BR102013003991B1 (en) | 2021-04-27 |
| BR102013003991A2 (en) | 2014-11-04 |
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Legal Events
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|---|---|---|---|
| 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 |
Granted publication date: 20170926 Termination date: 20190219 |
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| CF01 | Termination of patent right due to non-payment of annual fee |