CN1601828A - Brush assembly unit of dynamo for vacuum cleaner - Google Patents
Brush assembly unit of dynamo for vacuum cleaner Download PDFInfo
- Publication number
- CN1601828A CN1601828A CN 03144345 CN03144345A CN1601828A CN 1601828 A CN1601828 A CN 1601828A CN 03144345 CN03144345 CN 03144345 CN 03144345 A CN03144345 A CN 03144345A CN 1601828 A CN1601828 A CN 1601828A
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- Prior art keywords
- brush
- carriage
- bracket
- face
- brush carriage
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Abstract
Electrical brush assembly includes fixer, bracket of brush, brush and spring. Fixer is fixed on one side of case of motor. Bracket of brush through fixer is combined on case. Terminal contact part possible to be pulled out formed on bracket of brush is combined on coil of stator elastically. Bending base face of bracket of brush forms contact part. Electrical brush possible to be pull out is housed inside bracket of brush. Leading wire connects housing face for electrical brush and inner face of bracket. Coil spring housed inside the bracket supports brush elastically makes face of brush contact with one side of collector so as to apply current to winding in rotor. Brush fixed lug setup at bracket of brush is formed on one side of contact part to pressurize one side of brush elastically as well as restrict brush to be pulled out. The invention makes motor convenient for shipping and prevents electrical brush from breakage.
Description
Technical field
The present invention relates to vacuum cleaner, relate in particular to the brush assembly of motor for vacuum cleaner.
Background technology
With reference to the accompanying drawings, the brush assembly to existing motor for vacuum cleaner describes.
Shown in Fig. 1,3, existing motor for vacuum cleaner comprises: motor case (110), stator (120), link head (121), rotor (130), rotating shaft (140), commutator (150), impeller (IMPELLER), impeller cover (COVER) (170) and brush assembly (160).
Above-mentioned motor case (110) is the open cylindrical shape of a side; Stator (120) is pressed on the inner peripheral surface that is fixed on motor case (110); The lead-out wire that link head (121) is used for being wrapped in the coil on the stator (120) is attached at terminal (122); Rotor (130) rotatably is inserted in the inboard of stator (120); Rotating shaft (140) runs through the center that is combined in rotor (130), with rotor (130) interlock; Commutator (150) is pressed on the axis of rotating shaft (140) and is fixed on rotor (130) one sides, links with electric current being imposed on the coil in each groove (SLOT) that is wrapped in rotor simultaneously; Impeller is fixed on rotating shaft (140) one ends of commutator (150) opposite face; It is open distolateral that impeller cover is combined in casing (110), is used to accommodate impeller; Brush assembly (160) runs through casing (110), and sliding surface is contacted in inner commutator (150) one sides of casing (110), applies electric current.
As shown in Figure 2, brush assembly (160) comprising: brush (161), brush carriage (162), lead (163), helical spring (164) and fixture (165).
The brush (161) of elasticity ear of maize shape has the square cross-section shape; Brush carriage (162) can be accommodated brush (161) with pulling out; Lead (163) links brush (161) and brush carriage (162), makes the energising of brush (161) and brush carriage (162), limits the distance of pulling out of brush (161) simultaneously; Helical spring (164) carries out the elasticity pressurization to the brush (161) that is housed in the brush carriage (162), makes the side of brush (161) face contact at commutator (150); Fixture (165) is used for brush carriage (162) is fixed on a side of casing (110).
In addition, when brush carriage (162) formed and to accommodate the square cross-section of brush, Elastic Contact was in the bottom surface of contact portion (166) the severing brush carriage (162) of link head (121) terminal (122) and bending.
As shown in Figure 3, in the brush assembly (160) of existing motor for vacuum cleaner, be housed in the distance of pulling out of the inner brush (161) of brush carriage (162) by lead (163) restriction, keep the resiliency supported state by helical spring (164), make the outstanding qualification of brush (161) pull out distance.
Below, the process of fixture (165) fixed engagement on motor case (110) one sides with brush assembly (160) described.As shown in Figure 4, fixture (165) makes brush carriage (162) run through a side that is fixed on motor case (110) by the side of secure bond parts (180) secure bond at motor case (110) by fixture (165); Make brush be combined in above-mentioned brush carriage (162) inside, make brush (161) obtain the resiliency supported of helical spring (164), and make the side of the face of the pulling out CONTACT WITH FRICTION of the brush of accommodating at commutator (150), make contact portion (166) strain of above-mentioned brush carriage (162) simultaneously, can Elastic Contact drawing on the head terminal end (122) at rotor (130).
In addition, as shown in Figure 5, the bend strain of the contact portion (166) of brush carriage (162) is combined on the terminal (122) of link head (121), the terminal (122) of link head (121) goes up the lead-out wire that links the lateral coil that rotor (130) is arranged; Make brush (161) face contact the side at commutator (150) by helical spring (164), brush (161) is attached at lead (163) from brush carriage (162) and upward and by lead (163) switches on.
So, the power supply that a part of lead-in of the coil by stator (120) applies flows to lead-out wire again, will be by the electric current of contact portion (166) inflow of Elastic Contact on the terminal that is combined with the lead-out wire leading-out end (122), pass to brush at brush carriage (162) by lead (163), make brush (161) obtain the resiliency supported CONTACT WITH FRICTION on commutator (150), electric current is imposed on the interior coil of each groove that is wrapped in rotor (130) by commutator (150).
In addition, in opposite side brush assembly (160), make electric current from the lead-in adverse current of rotor (130) according to above-mentioned reverse order to the opposite side coil of stator (120), the magnetic flux that phasic difference by electric current produces drives rotor (130), by rotating shaft (140) revolving force of rotor (130) is passed to impeller (170) and produces suction.
But there is following shortcoming in the brush assembly with motor for vacuum cleaner of said structure:
In existing brush assembly (160), because when brush (161) is housed in brush carriage (162) inside, pull out distance and pack and carry under the outstanding state in lead (163) restriction, so the brush (161) that can produce the elasticity ear of maize is by the phenomenon of breakage by the resiliency supported of helical spring (164); In addition, make the volume of brush (161) become big, need append the required expense of packing according to pulling out length.
Summary of the invention
In order to overcome the above-mentioned shortcoming that prior art exists, the invention provides a kind of brush assembly of motor for vacuum cleaner, by the automatic ejector of the brush on it, not only can reduce the brush assembly packing and when carrying required expense, but also can prevent the breakage of brush.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of brush assembly of motor for vacuum cleaner, comprise: fixture, brush carriage, brush, lead and helical spring, the fixture secure bond is in a side of motor case, brush carriage runs through a side that is combined in motor case by fixture, be formed with on the brush carriage can switch on ground elasticity be combined in contact portion on the terminal of pulling out from the coil that is wrapped on the stator, contact portion is bent to form by the bottom surface severing with brush carriage; Brush can be housed in the brush carriage by a side of brush carriage with pulling out; The wire bond brush is accommodated face and brush carriage medial surface, makes brush accommodate face and the energising of brush carriage medial surface; Helical spring is housed in the inside of brush carriage, can make lead through central part and resiliency supported brush, makes the side of the face of the pulling out CONTACT WITH FRICTION of brush at commutator, electric current can be imposed on the coil in each groove that is wrapped in rotor; It is characterized in that, described brush carriage is provided with the brush fixed projection, described brush fixed projection is bent to form the side in contact portion, and described brush fixed projection elasticity pressurization is housed in a side of the brush of described brush carriage inside, is used for restriction and pulls out described brush.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the half-sectional view of existing motor for vacuum cleaner.
Fig. 2 is the lateral sectional view of the brush assembly of existing motor for vacuum cleaner.
Fig. 3 to Fig. 5 is that the part of assembled state of the brush assembly of existing motor for vacuum cleaner enlarges profile,
Fig. 3 is that the part of the secure bond standby condition of brush assembly enlarges profile,
Fig. 4 is that the part of the preceding state of secure bond of brush assembly enlarges profile,
Fig. 5 is that the part of state after the secure bond of brush assembly enlarges profile.
Fig. 6 is the fragmentary cross-sectional view of motor for vacuum cleaner of the present invention.
Fig. 7 is the lateral sectional view of the brush assembly of motor for vacuum cleaner of the present invention.
Fig. 8 is that the part of Fig. 7 enlarges profile.
Fig. 9 is that the part of the secure bond standby condition of brush assembly enlarges profile,
Figure 10 is that the part of the preceding state of secure bond of brush assembly enlarges profile,
Figure 11 is that the part of state after the secure bond of brush assembly enlarges profile.
The number in the figure explanation:
10: casing (HOUSING) 20: stator
21: link head (TAP) 22: terminal (TERMINAL)
30: rotor 40: rotating shaft
50: commutator 60: the brush assembly
61: brush 62: brush carriage (SUPPORTER)
63: lead (LEAD WIRE) 64: helical spring (COIL SPRING)
65: fixture (HOLDER) 66: contact portion
67: the brush fixed projection
Embodiment
As shown in Figure 6, motor for vacuum cleaner of the present invention comprises: motor case (10), stator (20), link head (21), rotor (30), rotating shaft (40), commutator (50), impeller (70), impeller cover and brush assembly (60).
Above-mentioned motor case (10) is the open cylindrical shape of a side; Stator (20) is pressed on the inner peripheral surface that is fixed on motor case (10); The lead-out wire that link head (21) is used for being wrapped in the coil on the stator (20) is attached at terminal (22); Rotor (30) rotatably is inserted in the inboard of stator (20); Rotating shaft (40) runs through the center that is combined in rotor (30), with rotor (30) interlock; Commutator (50) is pressed on the axis of rotating shaft (40) and is fixed on rotor (30) one sides, and the while can impose on electric current the coil in each groove that is wrapped in rotor and link; Impeller is fixed on rotating shaft (40) one ends of commutator (50) opposite face; It is open distolateral that impeller cover is combined in casing (10), is used to accommodate impeller; Brush assembly (60) runs through casing (10), and sliding surface is contacted in inner commutator (50) one sides of casing (10), applies electric current.
As Fig. 7, shown in Figure 8, brush assembly (60) comprising: brush (61), brush carriage (62), lead (63), helical spring (64) and fixture (65).
The brush (61) of above-mentioned elasticity ear of maize shape has the square cross-section shape; Above-mentioned brush carriage (62) can be accommodated brush (61) with pulling out; Above-mentioned lead (63) links brush (61) and brush carriage (62), makes the energising of brush (61) and brush carriage (62), limits the distance of pulling out of brush (61) simultaneously; Above-mentioned helical spring (64) carries out the elasticity pressurization to the brush (61) that is housed in the brush carriage (62), makes the side of above-mentioned brush (61) face contact at commutator (50); Fixture (65) is used for brush carriage (62) is fixed on a side of casing (10).
In addition, when above-mentioned brush carriage (62) formed and to accommodate the square cross-section of brush, elasticity was combined in the bottom surface of contact portion (66) severing brush carriage (62) of link head (21) terminal (22) and bending.
Above-mentioned contact portion (66) possesses brush fixed projection (67) is arranged; Before a side of motor case (10), brush fixed projection (67) is kept above-mentioned brush and fully is housed in the inner state of brush carriage (62) the side elastic pressurization of brush with brush assembly (60) secure bond.
Above-mentioned brush fixed projection (67) preferably is bent to form the side in contact portion (66); That is to say, when secure bond brush assembly (60), make that removing brush fixed projection (67) with the strain of contact portion (66) is applied to plus-pressure on brush carriage (62) one sides.
As Fig. 9 so that shown in Figure 11, at first the brush assembly (60) at motor for vacuum cleaner of the present invention does not have secure bond under the state on motor case (10) one sides, the outstanding brush fixed projection (67) that is formed in brush carriage (62) the contact portion (66) is pressurizeed to a side of brush (61), keep brush and be housed in the inner state of brush carriage (62).So, dwindled the volume of brush (61) projecting degree, make the packing of brush assembly (60) and carrying easily, and in handling process, can prevent brush (61) breakage of elasticity ear of maize.
In addition, with brush assembly (60) secure bond when the side of motor casing (10), make contact portion (66) strain of brush carriage (62) by terminal (22), make the contact portion (66) and terminal (22) combination of above-mentioned brush carriage (62) switch on, simultaneously can remove the plus-pressure of brush fixed projection (67), make in brush carriage (62) inside and pull out automatically by the brush of accommodating of helical spring (64) resiliency supported, the rubbing surface contact is in a side of commutator (50).
So, the electric current that a part of lead-in of the coil by stator (20) applies flows to lead-out wire again, will be by the electric current of contact portion (66) inflow of Elastic Contact on the terminal that is combined with the lead-out wire leading-out end (22), pass to brush by the lead (63) on brush carriage (62), make brush (61) obtain the resiliency supported CONTACT WITH FRICTION on commutator (50), electric current is imposed on the coil drive rotor (30) in each groove that is wrapped in rotor (30) and the revolving force of rotor (30) is passed to impeller by commutator (50) and produce suction by rotating shaft (40).
The effect of invention
The brush assembly of motor for vacuum cleaner provided by the invention can bring following effect.
In the present invention, owing to packing and remove under the state that brush is housed in brush carriage inside Fortune, so not only can prevent the breakage of brush, dwindling of volume can also be reduced packing charge simultaneously. In addition When carrying out the secure bond operation of brush assembly, owing to can automatically pull out brush, brush is connect outward, Touch the side at commutator, so that the secure bond operation of brush assembly is easy.
Claims (1)
1, a kind of brush assembly of motor for vacuum cleaner, comprise: fixture, brush carriage, brush, lead and helical spring, the fixture secure bond is in a side of motor case, brush carriage runs through a side that is combined in motor case by fixture, be formed with on the brush carriage can switch on ground elasticity be combined in contact portion on the terminal of pulling out from the coil that is wrapped on the stator, contact portion is bent to form by the bottom surface severing with brush carriage; Brush can be housed in the brush carriage by a side of brush carriage with pulling out; The wire bond brush is accommodated face and brush carriage medial surface, makes brush accommodate face and the energising of brush carriage medial surface; Helical spring is housed in the inside of brush carriage, can make lead through central part and resiliency supported brush, makes the side of the face of the pulling out CONTACT WITH FRICTION of brush at commutator, electric current can be imposed on the coil in each groove that is wrapped in rotor; It is characterized in that,
Described brush carriage is provided with the brush fixed projection, and described brush fixed projection is bent to form the side in contact portion, and described brush fixed projection elasticity pressurization is housed in a side of the brush of described brush carriage inside, is used for restriction and pulls out described brush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031443451A CN100384028C (en) | 2003-09-25 | 2003-09-25 | Brush assembly unit of dynamo for vacuum cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031443451A CN100384028C (en) | 2003-09-25 | 2003-09-25 | Brush assembly unit of dynamo for vacuum cleaner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1601828A true CN1601828A (en) | 2005-03-30 |
| CN100384028C CN100384028C (en) | 2008-04-23 |
Family
ID=34659507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031443451A Expired - Fee Related CN100384028C (en) | 2003-09-25 | 2003-09-25 | Brush assembly unit of dynamo for vacuum cleaner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100384028C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101179217B (en) * | 2006-11-10 | 2012-05-09 | 日立空调·家用电器株式会社 | Electric brush device of commutator motor and electric dust collector |
| CN102544962A (en) * | 2010-12-13 | 2012-07-04 | 博泽汽车部件有限公司及两合公司,乌茨堡 | Electric motor arrangement |
| CN107579627A (en) * | 2016-07-04 | 2018-01-12 | 株式会社万都 | The power supply device and field-winding type motor of field-winding type motor |
| CN108372394A (en) * | 2017-07-15 | 2018-08-07 | 全南县超亚科技有限公司 | A kind of brushing piece prepressing device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3288175B2 (en) * | 1994-05-31 | 2002-06-04 | 株式会社富士カーボン製造所 | Carbon brush for electric machine |
| JPH09247905A (en) * | 1996-03-08 | 1997-09-19 | Matsushita Electric Ind Co Ltd | Brush holder |
| JPH10257721A (en) * | 1997-03-13 | 1998-09-25 | Matsushita Electric Ind Co Ltd | Commutator motor |
| CN1278476C (en) * | 2001-11-19 | 2006-10-04 | 乐金电子(天津)电器有限公司 | Motor for vacuum cleaner |
| CN1277505C (en) * | 2001-12-11 | 2006-10-04 | 乐金电子(天津)电器有限公司 | Electric brush assembly connecting structure of motor for vacuum cleaner |
-
2003
- 2003-09-25 CN CNB031443451A patent/CN100384028C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101179217B (en) * | 2006-11-10 | 2012-05-09 | 日立空调·家用电器株式会社 | Electric brush device of commutator motor and electric dust collector |
| CN102544962A (en) * | 2010-12-13 | 2012-07-04 | 博泽汽车部件有限公司及两合公司,乌茨堡 | Electric motor arrangement |
| CN102544962B (en) * | 2010-12-13 | 2015-08-19 | 博泽汽车部件有限公司及两合公司,乌茨堡 | Electronic device |
| CN107579627A (en) * | 2016-07-04 | 2018-01-12 | 株式会社万都 | The power supply device and field-winding type motor of field-winding type motor |
| CN107579627B (en) * | 2016-07-04 | 2019-09-24 | 株式会社万都 | The power supply device and field-winding type motor of field-winding type motor |
| CN108372394A (en) * | 2017-07-15 | 2018-08-07 | 全南县超亚科技有限公司 | A kind of brushing piece prepressing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100384028C (en) | 2008-04-23 |
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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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080423 Termination date: 20091026 |