CN205791933U - A kind of motor brush support means - Google Patents
A kind of motor brush support means Download PDFInfo
- Publication number
- CN205791933U CN205791933U CN201620423312.8U CN201620423312U CN205791933U CN 205791933 U CN205791933 U CN 205791933U CN 201620423312 U CN201620423312 U CN 201620423312U CN 205791933 U CN205791933 U CN 205791933U
- Authority
- CN
- China
- Prior art keywords
- brush
- arm
- force
- support means
- installing hole
- 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- Withdrawn - After Issue
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- Motor Or Generator Frames (AREA)
Abstract
nullThis utility model provides a kind of motor brush support means，Including insulated mounting plate and several brush assembly of electric of being arranged on described insulated mounting plate，Described brush assembly of electric includes the brushgear housing being fixed on described insulated mounting plate side、It is located in the brush in described brushgear housing and is fixed on the base of described insulated mounting plate opposite side，Described brushgear housing is provided with the second installing hole，Described insulated mounting plate be provided with described second installing hole with the use of the first installing hole，Described motor brush support means also includes running through described second installing hole and the torsionspring of described first installing hole，The top of described torsionspring and bottom are respectively equipped with integrated long end and stretch out the arm of force and short end stretches out the arm of force，Described long end stretches out the arm of force and extends to the afterbody of described brush spring fastening on the tail end face of described brush，Described short end stretches out arm of force spring fastening on described base.This utility model runs through the torsionspring of insulated mounting plate by setting and realizes the fixing of brush assembly of electric, and it had both saved the installing space of support means, can provide stable radial pressure to brush again, it is ensured that brush contacts with the stable of the diverter of motor.
Description
Technical field
This utility model relates to machine field, particularly a kind of motor brush support means.
Background technology
For the direct current generator with brush, brush is between motor internal stationary parts and moving component, its effect is to provide stable electric current for rotor, in order to ensure the reliable contacts of brush and diverter, needs to brush one radial pressure towards diverter of offer.If additionally, the support means of brush can not secure support brush, brush easily weares and teares in high speed rotating, cause electric fault even structural failure.
In prior art, typically by dielectric, compression spring is arranged on metal shell so that compression spring is coaxial with brush, and compression spring compresses brush in radial direction.It is relatively big that this structure takies motor radial space, additionally, dielectric is between brush and metal shell, dielectric is the most impaired, thus causes security incident.
Utility model content
For above-mentioned technical problem, this utility model provides a kind of motor brush support means, and its technical scheme is as follows:
nullA kind of motor brush support means，Including insulated mounting plate and several brush assembly of electric of being arranged on described insulated mounting plate，Described brush assembly of electric includes the brushgear housing being fixed on described insulated mounting plate side、It is located in the brush in described brushgear housing and is fixed on the base of described insulated mounting plate opposite side，Described brushgear housing is provided with the second installing hole，Described insulated mounting plate be provided with described second installing hole with the use of the first installing hole，Described motor brush support means also includes running through described second installing hole and the torsionspring of described first installing hole，The top of described torsionspring and bottom are respectively equipped with integrated long end and stretch out the arm of force and short end stretches out the arm of force，Described long end stretches out the arm of force and extends to the afterbody of described brush spring fastening on the tail end face of described brush，Described short end stretches out arm of force spring fastening on described base.
Further, the tail end face of described brush is provided with groove, and described long end stretches out the afterbody of the arm of force along described groove spring fastening on the tail end face of described brush.
Further, described groove is arc, and the afterbody that described long end stretches out the arm of force is provided with the protrusion arcuate structure mated with described groove.
Further, the width of described groove be that described long end stretches out the diameter of the arm of force 1～1.1 times.
Further, described base is provided with the raceway groove in " 9 " font near the one side of described insulated mounting plate, described raceway groove includes integrated ring part and line part, described short end stretches out the arm of force along described line part spring fastening on described base, and the bottom of described torsionspring is entrenched in described ring part.
Further, the width of described line part be that described short end stretches out the diameter of the arm of force 1～1.1 times.
Further, the 3rd installing hole running through described base it is provided with in described ring part, the inwall of described 3rd installing hole is provided with screw thread, described motor brush support means also includes supporting screw, described supporting screw sequentially passes through described 3rd installing hole and the inner chamber of described torsionspring, and the threaded rod of described supporting screw constitutes the central shaft of described torsionspring.
Further, the 90%～100% of the aperture of a diameter of described torsionspring of the threaded rod of described supporting screw.
Further, the first opening is offered on the roof of described brushgear housing, described first opening is for drawing the power line of described brush, each offering second opening on two sidewalls of described brushgear housing, described long end stretches out the arm of force and extends to the afterbody of described brush spring fastening on the tail end face of described brush by described second opening.
Further, described brush assembly of electric is two groups.
Compared with prior art, motor brush support means disclosed in this utility model has reached following technique effect: the torsionspring being run through insulated mounting plate by setting realizes the fixing of brush assembly of electric, both the installing space of support means had been saved, stable radial pressure can be provided again, it is ensured that brush contacts with the stable of diverter to brush.
Accompanying drawing explanation
The structural representation of the motor brush support means that Fig. 1 provides for this utility model；
Fig. 2 is the decomposing schematic representation of Fig. 1；
Fig. 3 is the structural representation of the torsionspring in Fig. 2；
Fig. 4 is the upward view of the torsionspring in Fig. 2；
Fig. 5 is the structural representation of the brushgear housing in Fig. 2；
Fig. 6 is the structural representation of the base in Fig. 2；
Fig. 1 to Fig. 6 include insulated mounting plate 1, brushgear housing 2, brush 3, torsionspring 4, base 5, supporting screw the 6, first installing hole the 11, second installing hole the 21, first opening the 22, second opening 23, groove 31, long end stretches out the arm of force 41, short end stretches out the arm of force 42, raceway groove the 51, the 3rd installing hole 52, ring part 51a, line part 51b.
Detailed description of the invention
Understandable for enabling above-mentioned purpose of the present utility model, feature and advantage to become apparent from, with detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Figures 1 to 6, in a specific embodiment, motor brush support means of the present utility model includes insulated mounting plate 1, torsionspring 4, brush assembly of electric, base 5, and described brush assembly of electric includes the brushgear housing 2 of afterbody opening and is located in the brush 3 in described brushgear housing 2.
In the present embodiment, described brush assembly of electric has two groups, in other embodiments, can select the number of described brush assembly of electric according to specific needs, and described insulated mounting plate 1 is loop configuration, and the hole in the middle of it is for connecting the diverter (not shown) of motor.
Described brushgear housing 2 is fixedly mounted on the side of described insulated mounting plate 1 by screw, and described brush 3 is located in described brushgear housing 2.In order to prevent brushgear housing 2 described in brush 3 expanded by heating squeeze crack, the thermal coefficient of expansion of described brushgear housing 2 is more than or equal to the thermal coefficient of expansion of described brush 3.
Described base 5 is fixedly mounted on the position corresponding with described brushgear housing 2 of the opposite side of described insulated mounting plate 1 by several screws.
Described brushgear housing 2 is provided with the second installing hole 21, the relevant position of described insulated mounting plate 1 be provided with described second installing hole 21 with the use of the first installing hole 11.Described torsionspring 4 runs through described second installing hole 21 and the first installing hole 11 of connection.The top of described torsionspring 4 and bottom are respectively equipped with integrated long end and stretch out the arm of force 41 and short end stretches out the arm of force 42, described long end stretches out the arm of force 41 and extends to the afterbody of described brush 3 spring fastening on the tail end face of described brush 3, and described short end stretches out the arm of force 42 spring fastening on described base 5.
Visible, described torsionspring 4 provides a stable radial pressure can to described brush 3, it is ensured that described brush 3 contacts with the stable of the diverter of motor.
The first opening 22 is offered on the roof of described brushgear housing 2, described first opening 22 is for drawing the power line of described brush 3, each offering second opening 23 on two sidewalls of described brushgear housing 2, described long end stretches out the arm of force 41 and extends to the afterbody of described brush 3 spring fastening on the tail end face of described brush 3 by described second opening 23.
In the present embodiment, the tail end face of described brush 3 is provided with groove 31, and described long end stretches out the afterbody of the arm of force 41 along described groove 31 spring fastening on the tail end face of described brush 3.Described groove 31 makes described long end stretch out the arm of force 41 to withhold more securely on the tail end face of described brush 3, prevent landing.
Preferably, described groove 31 is arc, and the afterbody that described long end stretches out the arm of force 41 is provided with the protrusion arcuate structure mated with described groove 31, and the width of described groove 31 is 1～1.1 times that described long end stretches out the diameter of the arm of force 41.
In the present embodiment, the installed surface that described base 5 contacts with described insulated mounting plate 1 is provided with the raceway groove 51 of " 9 " font, and described raceway groove 51 includes integrated ring part 51a and line part 51b.The described short end of described torsionspring 4 stretches out the arm of force 42 along described line part 51b spring fastening on described base 5, and the bottom of described torsionspring 4 is entrenched in described ring part 51a.The described raceway groove 51 of " 9 " font so that described torsionspring 4 is more securely fixed on described base 5.
Preferably, the width of described line part 51b be that described short end stretches out the diameter of the arm of force 42 1～1.1 times.
In the present embodiment, motor brush support means of the present utility model also includes supporting screw 6, be provided with the 3rd installing hole 52 running through described base 5 in described ring part 51a, the inwall of described 3rd installing hole 52 be provided with described supporting screw 6 with the use of screw thread.Described supporting screw 6 sequentially passes through described 3rd installing hole 52 and the inner chamber of described torsionspring 4, and finally stretches out described torsionspring 4.
Described supporting screw 6 constitutes the central shaft of described torsionspring 4, prevents torsionspring 4 from producing horizontal mechanically deform in high-speed rotation or violent acceleration.
Preferably, the 90%～100% of the aperture of a diameter of described torsionspring 4 of the threaded rod of described supporting screw 6.
Above this utility model has been carried out the most detailed description with certain particularity.Those of ordinary skill in art is it should be understood that what description in embodiment was merely exemplary, and making on the premise of without departing from true spirit of the present utility model and scope is changed all should belong to protection domain of the present utility model.This utility model scope required for protection is defined by described claims rather than is limited by the foregoing description in embodiment.
Claims (10)
- null1. a motor brush support means，Including insulated mounting plate (1) and be arranged on several brush assembly of electric on described insulated mounting plate (1)，Described brush assembly of electric includes the brushgear housing (2) being fixed on described insulated mounting plate (1) side、The brush (3) being located in described brushgear housing (2) and the base (5) being fixed on described insulated mounting plate (1) opposite side，Described brushgear housing (2) is provided with the second installing hole (21)，Described insulated mounting plate (1) be provided with described second installing hole (21) with the use of the first installing hole (11)，It is characterized in that: its torsionspring (4) also including running through described second installing hole (21) and described first installing hole (11)，The top of described torsionspring (4) and bottom are respectively equipped with integrated long end and stretch out the arm of force (41) and short end stretches out the arm of force (42)，Described long end stretches out the arm of force (41) and extends to the afterbody of described brush (3) spring fastening on the tail end face of described brush (3)，Described short end stretches out the arm of force (42) spring fastening on described base (5).
- 2. motor brush support means as claimed in claim 1, it is characterized in that: the tail end face of described brush (3) is provided with groove (31), described long end stretches out the afterbody of the arm of force (41) along described groove (31) spring fastening on the tail end face of described brush (3).
- 3. motor brush support means as claimed in claim 2, it is characterised in that: described groove (31) is arc, and described long end stretches out the afterbody of the arm of force (41) and is provided with the protrusion arcuate structure mated with described groove (31).
- 4. motor brush support means as claimed in claim 2, it is characterised in that: the width of described groove (31) is 1～1.1 times that described long end stretches out the diameter of the arm of force (41).
- 5. motor brush support means as claimed in claim 1, it is characterized in that: described base (5) is provided with the raceway groove (51) in " 9 " font near the one side of described insulated mounting plate (1), described raceway groove (51) includes integrated ring part (51a) and line part (51b), described short end stretches out the arm of force (42) along described line part (51b) spring fastening on described base (5), and the bottom of described torsionspring (4) is entrenched in described ring part (51a).
- 6. motor brush support means as claimed in claim 5, it is characterised in that: the width of described line part (51b) is 1～1.1 times that described short end stretches out the diameter of the arm of force (42).
- 7. motor brush support means as claimed in claim 5, it is characterized in that: in described ring part (51a), be provided with the 3rd installing hole (52) running through described base (5), the inwall of described 3rd installing hole (52) is provided with screw thread, described motor brush support means also includes supporting screw (6), described supporting screw (6) sequentially passes through described 3rd installing hole (52) and the inner chamber of described torsionspring (4), and the threaded rod of described supporting screw (6) constitutes the central shaft of described torsionspring (4).
- 8. motor brush support means as claimed in claim 7, it is characterised in that: the 90%～100% of the aperture of a diameter of described torsionspring (4) of the threaded rod of described supporting screw (6).
- 9. motor brush support means as claimed in claim 1, it is characterized in that: on the roof of described brushgear housing (2), offer the first opening (22), described first opening (22) is used for drawing the power line of described brush (3), each offering second opening (23) on two sidewalls of described brushgear housing (2), described long end stretches out the arm of force (41) and extends to the afterbody of described brush (3) spring fastening on the tail end face of described brush (3) by described second opening (23).
- 10. motor brush support means as claimed in claim 1, it is characterised in that: the thermal coefficient of expansion of described brushgear housing (2) is more than or equal to the thermal coefficient of expansion of described brush (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620423312.8U CN205791933U (en) | 2016-05-11 | 2016-05-11 | A kind of motor brush support means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620423312.8U CN205791933U (en) | 2016-05-11 | 2016-05-11 | A kind of motor brush support means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205791933U true CN205791933U (en) | 2016-12-07 |
Family
ID=57408907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620423312.8U Withdrawn - After Issue CN205791933U (en) | 2016-05-11 | 2016-05-11 | A kind of motor brush support means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205791933U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978212A (en) * | 2016-05-11 | 2016-09-28 | 无锡市河埒传感器有限公司 | Motor brush supporting device |
| CN111283588A (en) * | 2020-03-31 | 2020-06-16 | 赵华勇 | Fixture mechanism for installing carbon brush of direct current pump |
-
2016
- 2016-05-11 CN CN201620423312.8U patent/CN205791933U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978212A (en) * | 2016-05-11 | 2016-09-28 | 无锡市河埒传感器有限公司 | Motor brush supporting device |
| CN105978212B (en) * | 2016-05-11 | 2018-05-04 | 无锡市河埒传感器有限公司 | A kind of motor brush support device |
| CN111283588A (en) * | 2020-03-31 | 2020-06-16 | 赵华勇 | Fixture mechanism for installing carbon brush of direct current pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161207 Effective date of abandoning: 20180504 |
|
| AV01 | Patent right actively abandoned |