CN206302271U - A kind of motor low-noise structure - Google Patents
A kind of motor low-noise structure Download PDFInfo
- Publication number
- CN206302271U CN206302271U CN201621440581.1U CN201621440581U CN206302271U CN 206302271 U CN206302271 U CN 206302271U CN 201621440581 U CN201621440581 U CN 201621440581U CN 206302271 U CN206302271 U CN 206302271U
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- CN
- China
- Prior art keywords
- casing
- shaft core
- bearing
- pad
- commutator
- 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
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- Motor Or Generator Frames (AREA)
- Power Steering Mechanism (AREA)
Abstract
The utility model discloses a kind of motor low-noise structure,Including casing fixed seat,Brush carrier block,Rotor,The casing fixed seat is by casing bearing,Casing,Magnetic stripe is constituted,Brush carrier block is by middle plate,End casing,Bearing with end cover,Brush,Terminal,Amortisseur bar is constituted,Rotor is by shaft core,Punching,Insulating barrier,Skeleton,Steering gear pole piece,Piezo-resistance,Steering gear trim ring,Oil baffle,Enamel-covered wire,Copper meson,Adjust pad,Contact is constituted,The shaft core is interspersed in the inside of casing,Casing bearing is provided between shaft core upper end and casing,Bearing with end cover is provided between shaft core lower end and end casing,Shaft core bottom passes through bearing with end cover contactor banking stop pad,Trim ring is installed between bearing with end cover and backstop pad,Lubricating grease is placed between the backstop pad and end casing,It is designed to bowl-shape,During motor running,Shaft core is born to left side thrust,Bowl-shape lubricating grease holds backstop pad,Axle is set to be in vacant state with end casing,So as to reduce motor shaft end friction noise.
Description
Technical field
The utility model is related to motor apparatus technical field, especially a kind of motor low-noise structure.
Background technology
Current motor noise reduction technology, it is most reduce between axle, hole smear fricative in terms of make an effort, but due to axle, hole
There is limit tolerance band in gap cooperation, for fear of existing machining accuracy problem, it is impossible to reduces axle, interporal lacuna always, causes motor to be made an uproar
Sound cannot be reduced further, during motor running, bear the axial force to the left side, and shaft end contacts firmly with rear-end plate, to the greatest extent
Pipe, middle across piece of graphite nylon6 chips buffering, the friction, strike note between axle and graphite nylon6 chips are still quite big, cause
Motor noise cannot be reduced further.
Utility model content
The purpose of this utility model is to provide a kind of motor low-noise structure, and the structure makes motor by bowl-shape lubricating grease
Axle reduces frictional noise, to solve the problems, such as to be proposed in above-mentioned background technology.
To achieve the above object, the utility model provides following technical scheme：A kind of motor low-noise structure, including casing
Fixed seat, brush carrier block, rotor, the casing fixed seat are made up of casing bearing, casing, magnetic stripe, the casing bearing peace
On the upper surface of casing, magnetic stripe is arranged on casing inner surface, and the surface of casing upper outer is provided with a blind hole, institute
State brush carrier block to be made up of middle plate, end casing, bearing with end cover, brush, terminal, amortisseur bar, the middle plate is arranged on casing
Inside lower end, terminal runs through middle plate, and the bottom covering connection end casing of middle plate, the amortisseur bar is arranged on terminal through middle plate
On, brush be arranged on amortisseur bar on, the rotor by shaft core, punching, insulating barrier, skeleton, steering gear pole piece, piezo-resistance, turn
Constituted to device trim ring, oil baffle, enamel-covered wire, copper meson, adjust pad, contact, the shaft core is interted installed in the inside of casing,
Casing bearing is provided between the upper end of shaft core and casing, casing bearing lower section is provided with adjust pad, and laminating is equipped with adjust pad
Copper meson, the adjust pad and copper meson are jointly mounted in shaft core, and the shaft core middle part is provided with insulating barrier, and punching is installed
Set fluted in the inside of insulating barrier, on insulating barrier, the enamel-covered wire is arranged in the groove of insulating barrier, the lower end of enamel-covered wire
The contact of rotor is provided with, the lower end connecting framework of the insulating barrier, skeleton is arranged in shaft core, and commutator is provided with skeleton,
Commutator is surrounded by three size identical commutator pole pieces, and the middle part outside of commutator is provided with commutator clamping ring, commutator
The outside connection piezo-resistance of trim ring, is fitted with oil baffle below the skeleton, the lower end and end casing of the shaft core it
Between be provided with bearing with end cover, shaft core bottom passes through bearing with end cover contactor banking stop pad, is provided between bearing with end cover and backstop pad
Trim ring, trim ring laminating is arranged on end casing inner side, and groove is formed between the backstop pad and end casing, and profit is placed with groove
Consistent lubricant, motor decentralization surface is provided with two size identical blind holes and a red point of positive pole.
As further program of the utility model：The casing overhead surface is provided with a blind hole, motor lower section table
Face is provided with two size identical blind holes and a red point of positive pole.
As further program of the utility model：Middle plate is stretched out in the terminal lower end.
As further program of the utility model：The upper end difference connection contact of the commutator pole piece, commutator
Rear surface rotates contact brush.
As further program of the utility model：The backstop pad is made of graphite nylon.
As further program of the utility model：Groove is formed between the backstop pad and end casing, is set in groove
Count into bowl-shape.
Compared with prior art, the utility model beneficial effect：This motor low-noise structure, by the backstop pad in motor
Lubricating grease is set between piece and end casing to reduce the friction of motor shaft core and end casing, is stopped by the graphite nylon of end casing
Under gear pad, it is designed to bowl-shape, buffering lubricating grease is added at bowl bottom, when the motor is running, shaft core is born during to left side thrust, due to
Bowl-shape bottom lubricating grease holds graphite nylon6 chips, makes shaft core with end casing in vacant state, is rubbed so as to substantially reduce motor shaft end
Rubbing noise.
Brief description of the drawings
Fig. 1 is sectional structure chart of the present utility model；
Fig. 2 is vertical view outside drawing of the present utility model；
Fig. 3 is base outside drawing of the present utility model；
Fig. 4 is side elevational schematic view of the present utility model.
In figure：1- shaft cores；2- casing bearings；3- casings；4- magnetic stripes；5- punchings；6- insulating barriers；7- skeletons；8- steering gears
Pole piece；9- piezo-resistances；10- steering gear trim rings；Plate in 11-；12- end casings；13- bearing with end cover；14- brushes；15- backstop pads
Piece；16- terminals；17- oil baffles；18- amortisseur bars；19- enamel-covered wires；20- copper mesons；21- adjust pads；22- trim rings；23- moistens
Consistent lubricant；25- blind holes；The red point of 26- positive poles；30- casing fixed seats；31- brush carrier blocks；32- rotors；40- commutators；41- is touched
Piece.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Fig. 1-4 are referred to, in the utility model embodiment, including casing fixed seat 30, brush carrier block 31, rotor 32,
Casing fixed seat 30 is made up of casing bearing 2, casing 3, magnetic stripe 4, and casing bearing 2 is arranged on the upper surface of casing 3, magnetic stripe 4
On the inner surface of casing 3, the overhead surface of casing 3 is provided with a blind hole 25, and brush carrier block 31 is by middle plate 11, end casing
12nd, bearing with end cover 13, brush 14, terminal 16, amortisseur bar 18 are constituted, and middle plate 11 is arranged on the inside lower end of casing 2, and terminal 16 is passed through
Middle plate 11 is worn, middle plate 11 is stretched out in the lower end of terminal 16, and the bottom covering connection end casing 12 of middle plate 11, amortisseur bar 18 passes through middle plate 11
On terminal 16, brush 14 is arranged on amortisseur bar 18, and rotor 32 is by shaft core 1, punching 5, insulating barrier 6, skeleton 7, steering
Device pole piece 8, piezo-resistance 9, steering gear trim ring 10, oil baffle 17, enamel-covered wire 19, copper meson 20, adjust pad 21,41 groups of contact
Into the interspersed inside installed in casing 3 of shaft core 1 is provided with casing bearing 2, under casing bearing 2 between the upper end of shaft core 1 and casing 3
Side is provided with adjust pad 21, and 21 times laminatings of adjust pad are equipped with copper meson 20, and adjust pad 21 and copper meson 20 are jointly mounted to
1 in shaft core, the middle part of shaft core 1 is provided with insulating barrier 6, and punching 5 is arranged on the inside of insulating barrier 6, sets fluted on insulating barrier 6,
Enamel-covered wire 19 is arranged in the groove of insulating barrier 6, and punching 5 does insulation processing by insulating barrier 6 and enamel-covered wire 19, enamel-covered wire 19
Lower end is provided with the contact 41 of rotor 32, and the lower end connecting framework 7 of insulating barrier 6, skeleton 7 is arranged in shaft core 1, is set on skeleton 7
There is commutator 40, commutator 40 is surrounded by three size identical commutator pole pieces 8, and the upper end of commutator pole piece 8 connects respectively
Contact 41, the rear surface of commutator 40 rotates contact brush 14, when enamel-covered wire 19 is by after electric current, the effect in magnetic stripe 4
Under, by attracting to be rotated with repulsive force, when it goes to is balanced with magnetic stripe 4, the correspondence commutator 40 of enamel-covered wire 19 being originally powered
Contact 41 will be separated with brush 14, and brush 4 be connected to meet produce motive force that group of enamel-covered wire 19 it is corresponding touch
On piece 41, so as to ceaselessly repeat to turn down, the middle part outside of commutator 40 is provided with commutator clamping ring 10, commutator clamping ring 10
Outside connection piezo-resistance 9, the lower section of skeleton 7 is fitted with oil baffle 17, is provided between the lower end of shaft core 1 and end casing 12
Bearing with end cover 13, the bottom of shaft core 1 passes through the contactor banking stop pad 15 of bearing with end cover 13, backstop pad 15 to be made of graphite nylon,
Anti-wear performance is very good, surpasses lubrication, and conductive anti-static effect is good, and trim ring is provided between bearing with end cover 13 and backstop pad 15
22, the laminating of trim ring 22 is arranged on the inner side of end casing 12, and end casing is motor outside under surface 12 times, and motor underlying surfaces are provided with
Two size identical blind holes 25 and a red point 26 of positive pole, form groove, in groove between backstop pad 15 and end casing 12
Lubricating grease 23 is placed with, is designed as bowl-shape in groove, lubricating grease 23 is placed on bowl-shape bottom, in motor running, motor shaft core 1
By the operating of thrust to the left, bowl-shape bottom lubricating grease 23 holds graphite nylon backstop pad 15, makes shaft core 1 with end casing 12 in hanging
State, so as to substantially reduce motor shaft end friction noise.
In sum：This motor low-noise structure, by setting profit between the backstop pad 15 and end casing 12 of motor
Consistent lubricant 23 reduces the friction of motor shaft core 1 and end casing 12, by the low groove of graphite nylon backstop pad 15 of end casing 12
It is interior, be designed to one it is bowl-shape, bowl bottom add buffering lubricating grease 23, when the motor is running, shaft core 1 is born during to left side thrust, by
Graphite nylon backstop pad 15 is held in bowl-shape bottom lubricating grease 23, makes shaft core 1 with end casing 12 in vacant state, so that significantly
Reduce motor shaft end friction noise.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can in other specific forms realize that this practicality is new
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined
May be appreciated other embodiment.
Claims (6)
1. a kind of motor low-noise structure, including casing fixed seat (30), brush carrier block (31), rotor (32), its feature exist
In：The casing fixed seat (30) is made up of casing bearing (2), casing (3), magnetic stripe (4), and the casing bearing (2) is arranged on
On the upper surface of casing (3), magnetic stripe (4) on casing (3) inner surface, the brush carrier block (31) by middle plate (11),
End casing (12), bearing with end cover (13), brush (14), terminal (16), amortisseur bar (18) composition, the middle plate (11) is installed in machine
The interior side-lower of shell (2), terminal (16) is through middle plate (11), bottom covering connection end casing (12) of middle plate (11), the resistance
Buddhist nun's bar (18) one end is through middle plate (11) on terminal (16), and amortisseur bar (18) other end is provided with brush (14), described
Rotor (32) is by shaft core (1), punching (5), insulating barrier (6), skeleton (7), steering gear pole piece (8), piezo-resistance (9), steering gear
Trim ring (10), oil baffle (17), enamel-covered wire (19), copper meson (20), adjust pad (21), contact (41) composition, the shaft core
(1) intert installed in the inside of casing (3), casing bearing (2), casing bearing are provided between the upper end of shaft core (1) and casing (3)
(2) lower section is provided with adjust pad (21), and laminating is equipped with copper meson (20), the adjust pad (21) and copper under adjust pad (21)
Meson (20) is jointly mounted in shaft core (1), and shaft core (1) middle part is provided with insulating barrier (6), and punching (5) is installed in insulation
Layer (6) is internal, and insulating barrier sets fluted on (6), and the enamel-covered wire (19) is located in the groove of insulating barrier (6), enamel-covered wire
(19) lower end is provided with the contact (41) of rotor (32), and the lower end connecting framework (7) of the insulating barrier (6), skeleton (7) is arranged on
In shaft core (1), skeleton (7) is provided with commutator (40) on outside, and commutator (40) is by three size identical commutator pole pieces
(8) surround, the middle part outside of commutator (40) is provided with commutator clamping ring (10), and the outside connection of commutator clamping ring (10) is pressure-sensitive
Resistance (9), is fitted with oil baffle (17), between the lower end of the shaft core (1) and end casing (12) below the skeleton (7)
Be provided with bearing with end cover (13), shaft core (1) bottom passes through bearing with end cover (13) contactor banking stop pad (15), bearing with end cover (13) with only
Trim ring (22) is installed, trim ring (22) laminating is arranged on end casing (12) inner side, the backstop pad between gear pad (15)
(15) groove is formed and end casing (12) between, lubricating grease (23) is placed with groove.
2. a kind of motor low-noise structure according to claim 1, it is characterised in that：Casing (3) overhead surface sets
A blind hole (25) is equipped with, motor underlying surfaces are provided with two size identicals blind hole (25) and a red point (26) of positive pole.
3. a kind of motor low-noise structure according to claim 1, it is characterised in that：During terminal (16) lower end is stretched out
Plate (11).
4. a kind of motor low-noise structure according to claim 1, it is characterised in that：The commutator pole piece (8) it is upper
End difference connection contact (41), the rear surface of commutator (40) rotates contact brush (14).
5. a kind of motor low-noise structure according to claim 1, it is characterised in that：The backstop pad (15) uses stone
Black nylon is made.
6. a kind of motor low-noise structure according to claim 1, it is characterised in that：The backstop pad (15) and end cap
Plate forms groove between (12), is designed in groove bowl-shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621440581.1U CN206302271U (en) | 2016-12-26 | 2016-12-26 | A kind of motor low-noise structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621440581.1U CN206302271U (en) | 2016-12-26 | 2016-12-26 | A kind of motor low-noise structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206302271U true CN206302271U (en) | 2017-07-04 |
Family
ID=59204342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621440581.1U Expired - Fee Related CN206302271U (en) | 2016-12-26 | 2016-12-26 | A kind of motor low-noise structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206302271U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107749684A (en) * | 2017-11-28 | 2018-03-02 | 广东美的环境电器制造有限公司 | External rotor electric machine and there is its fluid drive apparatus |
| CN110752716A (en) * | 2019-10-25 | 2020-02-04 | 深圳市龙德科技有限公司 | Assembling method of permanent magnet direct current brush motor |
| CN111799926A (en) * | 2020-07-06 | 2020-10-20 | 东莞市吉铼升电机股份有限公司 | Miniature motor and rotor winding method thereof |
-
2016
- 2016-12-26 CN CN201621440581.1U patent/CN206302271U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107749684A (en) * | 2017-11-28 | 2018-03-02 | 广东美的环境电器制造有限公司 | External rotor electric machine and there is its fluid drive apparatus |
| CN110752716A (en) * | 2019-10-25 | 2020-02-04 | 深圳市龙德科技有限公司 | Assembling method of permanent magnet direct current brush motor |
| CN111799926A (en) * | 2020-07-06 | 2020-10-20 | 东莞市吉铼升电机股份有限公司 | Miniature motor and rotor winding method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20170704 Termination date: 20211226 |