CN209313623U - A kind of brush DC variable-frequency motor rotor noise reduction components - Google Patents
A kind of brush DC variable-frequency motor rotor noise reduction components Download PDFInfo
- Publication number
- CN209313623U CN209313623U CN201920195829.XU CN201920195829U CN209313623U CN 209313623 U CN209313623 U CN 209313623U CN 201920195829 U CN201920195829 U CN 201920195829U CN 209313623 U CN209313623 U CN 209313623U
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- China
- Prior art keywords
- fixedly installed
- annular
- gear
- noise reduction
- shell
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Abstract
The utility model discloses a kind of brush DC variable-frequency motor rotor noise reduction components, including shell, the inside of the shell is rotatably equipped with shaft by bearing, the right part of the shaft is provided with rotor, by being fixedly installed with stator every magnetosphere on the inner wall of the shell, sound insulation cotton layer is provided on the inside of the shell, the left part of the shaft is fixedly installed with first gear, the first gear and second gear are sequentially connected, the second gear is rotatablely installed by connecting rod in the inside of mounting groove, the mounting groove is opened in the inside of annular fixed seat, the side of the annular fixed seat is fixedly installed with annular connecting plate, the annular connecting plate is slidably connected by limit sleeve and gag lever post, the gag lever post is slidably connected by slide plate and annular rotating block, the other end of the gag lever post is fixedly installed with baffle, the side of the baffle Face is provided with spring.Structure is simple, fundamentally solves noise problem, excellent noise reduction effect, and practicability is stronger.
Description
Technical field
The utility model belongs to motor device technical field, and in particular to a kind of brush DC variable-frequency motor rotor noise reduction group
Part.
Background technique
Brshless DC motor is made of motor body and driver, is a kind of typical electromechanical integrated product.It is brushless
Motor refers to the motor of brushless and commutator, also known as commutatorless machine.When 19 discipline birth motor, generation
Practicability motor is exactly brushless form, i.e. mouse cage AC formula asynchronous motor, and this motor is widely used.But
It is that there are many defects that can not be overcome for asynchronous motor, so that motor technology develops slowly.The middle of last century has been born crystal
Pipe, thus replace the DC brushless motor of brush and commutator just to come into being using transistor commutating circuit.It is this novel
Brushless motor is known as electronically commutated direct current generator, it overcomes the defect of first generation brushless motor.Brshless DC motor is by electricity
Motivation main body and driver composition, are a kind of typical electromechanical integration brshless DC motor pictorial diagram products.
The shaft of motor generates radial and axial bounce in the course of rotation, so that motor body vibration is to generate
Noise, and brush DC variable-frequency motor rotor noise reduction components in use at present mostly use sound insulation or control slot effect
Method reduce noise, can not fundamentally control noise, noise reduction effect is not good enough, thus need to design a kind of Novel DC without
Brush variable-frequency motor rotor noise reduction components come into operation.
Utility model content
The purpose of this utility model is to provide a kind of brush DC variable-frequency motor rotor noise reduction components to come into operation, with solution
Certainly the problems mentioned above in the background art.
To achieve the above object, the utility model provides the following technical solutions: a kind of brush DC variable-frequency motor rotor drop
It makes an uproar component, including shell, the inside of the shell is rotatably equipped with shaft by bearing, and the right part of the shaft, which is provided with, to be turned
Son is provided with sound insulation cotton layer by being fixedly installed with stator every magnetosphere on the inner wall of the shell on the inside of the shell, described
The left part of shaft is fixedly installed with first gear, and the first gear and second gear are sequentially connected, and the second gear passes through
Connecting rod is rotatablely installed in the inside of mounting groove, and the mounting groove is opened in the inside of annular fixed seat, the annular fixed seat
Side be fixedly installed with annular connecting plate, the annular connecting plate is slidably connected by limit sleeve and gag lever post, the limit
Bar is slidably connected by slide plate and annular rotating block, and the other end of the gag lever post is fixedly installed with baffle, the side of the baffle
Face is provided with spring.
Preferably, the mounting groove is opened in the middle part on the inside of annular fixed seat, the inside rotational installation of the mounting groove
There are four second gears, and four second gears are sequentially connected with first gear.
Preferably, the two sides of the annular fixed seat are fixedly installed with annular connecting plate, the annular connecting plate it is interior
There are four limit sleeves for portion's fixed installation, and the inside of four limit sleeves is slidably fitted with gag lever post.
Preferably, the two sides of the first gear are fixedly installed with annular rotating block, in two annular rotating blocks
The middle part of side offers sliding slot, and slide plate slides are installed on the inside of sliding slot.
Preferably, the both ends of the gag lever post are fixedly installed with slide plate and baffle respectively, and the spring is fixedly installed in gear
Between plate and annular connecting plate, and the diameter of spring is greater than the diameter of limit sleeve.
Preferably, the stator is set to stator by being fixedly installed in the right part of outer casing inner wall, the rotor every magnetosphere
Inside middle part, and rotor is fixedly installed in the outside of shaft.
The technical effect and advantage of the utility model: the brush DC variable-frequency motor rotor noise reduction components pass through four
Toe joint between two gears and first gear, it is slow by carrying out transfer between first gear and second gear to shaft run-out is turned
Punching, and slided in limit sleeve by gag lever post, by baffle compression or extension spring, thus to the axial-movement of shaft
It is buffered, shaft is avoided directly to impact to shell, reduce vibration, fundamentally control noise, excellent noise reduction effect are practical
Property is stronger.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the connection schematic diagram of annular fixed seat and second gear；
Fig. 3 is the connection schematic diagram of annular rotating block and slide plate；
Fig. 4 is the connection schematic diagram of annular connecting plate and limit sleeve.
In figure: 1, shell；2, every magnetosphere；3, stator；4, sound insulation cotton layer；5, rotor；6, shaft；7, bearing；8, annular is solid
Reservation；9, annular connecting plate；10, mounting groove；11, second gear；12, connecting rod；13, limit sleeve；14, spring；15, baffle；
16, gag lever post；17, first gear；18, annular rotating block；19, sliding slot；20, slide plate.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of brush DC variable-frequency motor rotor noise reduction components as shown in Figs 1-4, including outer
The inside of shell 1, the shell 1 is rotatably equipped with shaft 6 by bearing 7, and the right part of the shaft 6 is provided with rotor 5, described outer
By being fixedly installed with stator 3 every magnetosphere 2 on the inner wall of shell 1, the inside of the shell 1 is provided with sound insulation cotton layer 4, the shaft
6 left part is fixedly installed with first gear 17, and the first gear 17 is sequentially connected with second gear 11, the second gear 11
It is rotatablely installed by connecting rod 12 in the inside of mounting groove 10, the mounting groove 10 is opened in the inside of annular fixed seat 8, described
The side of annular fixed seat 8 is fixedly installed with annular connecting plate 9, and the annular connecting plate 9 passes through limit sleeve 13 and gag lever post 16
It is slidably connected, the gag lever post 16 is slidably connected by slide plate 20 and annular rotating block 18, and the other end of the gag lever post 16 is solid
Dingan County is equipped with baffle 15, and the side of the baffle 15 is provided with spring 14.
Specifically, the mounting groove 10 is opened in the middle part of 8 inside of annular fixed seat, the inside rotation of the mounting groove 10
There are four second gears 11 for installation, and four second gears 11 are sequentially connected with first gear 17, and shaft 6 drives first gear
17 stablize quick rotation, guarantee that first gear 17 rotates, to drive four 11 stable rotations of second gear, pass through four second
Gear 11 limits the turned position of first gear 17, and passes through the toe joint between first gear 17 and four second gears 11,
The bounce power for shedding 17 radial direction of shaft 6 and first gear, avoids shaft 6 to that can cause radial impact, causes to vibrate, generation is made an uproar
Sound.
Specifically, the two sides of the annular fixed seat 8 are fixedly installed with annular connecting plate 9, the annular connecting plate 9
There are four limit sleeves 13 for inside fixed installation, and the inside of four limit sleeves 13 is slidably fitted with gag lever post 16, guarantee turning
When axis 6 generates axial movement, gag lever post 16 limit sleeve 13 interior Slideslip so that 15 compressed spring 14 of baffle, to shaft 6
Activity buffered, avoid 6 radial impact shell 1 of shaft, cause shell 1 vibration generate noise.
Specifically, the two sides of the first gear 17 are fixedly installed with annular rotating block 18, two annular rotations
The middle part of 18 inside of block offers sliding slot 19, and slide plate 20 is slidably mounted on the inside of sliding slot 19, drives the first tooth in shaft 6
During 17 rotation of wheel, first gear 17 drives annular rotating block 18 to rotate, so that the slide plate 20 of 16 end of gag lever post is in ring
Sliding in the sliding slot 19 of shape rotating block 18 so that shaft 6 it is radially movable when drive annular 18 activity of rotating block, annular turns
Motion block 18 passes through the interior Slideslip that slide plate 20 drives gag lever post 16 in the limit sleeve 13 of annular connecting plate 9, thus compressed spring 14,
The radial motion of shaft 6 is buffered by the restoring force of spring 14.
Specifically, the both ends of the gag lever post 16 are fixedly installed with slide plate 20 and baffle 15 respectively, the spring 14 is fixed
It is installed between baffle 15 and annular connecting plate 9, and the diameter of spring 14 is greater than the diameter of limit sleeve 13, guarantees at 6 turns of shaft
When movable property is raw radially movable, gag lever post 16 is in the interior Slideslip of limit sleeve 13, so that baffle 15 connects far from or close to annular
Fishplate bar 9, and then pulling or compressed spring 14, to realize the buffering to 6 radial motion of shaft.
Specifically, the stator 3 is set to by being fixedly installed in the right part of 1 inner wall of shell, the rotor 5 every magnetosphere 2
The middle part of the inside of stator 3, and rotor 5 is fixedly installed in the outside of shaft 6 guarantees after rotor 5 is powered in the magnetic field of stator 3 again
Stable rotation guarantees the stability of motor work so that shaft 6 be driven to stablize quick rotation.
Working principle: during 6 quick rotation of shaft, radial and axial movement is generated, shaft 6 drives the first tooth
Wheel 17 stablizes quick rotations, guarantees that first gear 17 rotates, to drive four 11 stable rotations of second gear, passes through four the
Two gears 11 limit the turned position of first gear 17, and pass through the tooth between first gear 17 and four second gears 11
It connects, sheds the bounce power of 17 radial direction of shaft 6 and first gear, avoid shaft 6 to radial impact can be caused, cause to vibrate, produce
Raw noise, while during shaft 6 drives first gear 17 to rotate, first gear 17 drives annular rotating block 18 to rotate,
So that the slide plate 20 of 16 end of gag lever post slides in the sliding slot 19 of annular rotating block 18, so that shaft 6 is radially movable
When drive annular 18 activity of rotating block, annular rotating block 18 drives gag lever post 16 in the limit of annular connecting plate 9 by slide plate 20
The interior Slideslip of set 13, so that baffle 15 passes through far from perhaps close annular connecting plate 9 and then pulling or compressed spring 14
The restoring force of spring 14 buffers the radial motion of shaft 6, avoids 6 radial impact shell 1 of shaft that the vibration of shell 1 is caused to produce
Raw noise.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of brush DC variable-frequency motor rotor noise reduction components, including shell (1), it is characterised in that: the shell (1) it is interior
Side is rotatably equipped with shaft (6) by bearing (7), and the right part of the shaft (6) is provided with rotor (5), the shell (1) it is interior
By being fixedly installed with stator (3) every magnetosphere (2) on wall, it is provided with sound insulation cotton layer (4) on the inside of the shell (1), described turn
The left part of axis (6) is fixedly installed with first gear (17), and the first gear (17) and second gear (11) are sequentially connected, described
Second gear (11) is rotatablely installed by connecting rod (12) in the inside of mounting groove (10), and the mounting groove (10) is opened in annular
The side of the inside of fixing seat (8), the annular fixed seat (8) is fixedly installed with annular connecting plate (9), the annular connecting plate
(9) it is slidably connected by limit sleeve (13) with gag lever post (16), the gag lever post (16) passes through slide plate (20) and annular rotating block
(18) it is slidably connected, the other end of the gag lever post (16) is fixedly installed with baffle (15), the side setting of the baffle (15)
There are spring (14).
2. a kind of brush DC variable-frequency motor rotor noise reduction components according to claim 1, it is characterised in that: the installation
Slot (10) is opened in the middle part on the inside of annular fixed seat (8), and there are four the second teeth for the inside rotational installation of the mounting groove (10)
It takes turns (11), and four second gears (11) are sequentially connected with first gear (17).
3. a kind of brush DC variable-frequency motor rotor noise reduction components according to claim 1, it is characterised in that: the annular
The two sides of fixing seat (8) are fixedly installed with annular connecting plate (9), and the inside of the annular connecting plate (9) is fixedly installed with four
A limit sleeve (13), and the inside of four limit sleeves (13) is slidably fitted with gag lever post (16).
4. a kind of brush DC variable-frequency motor rotor noise reduction components according to claim 1, it is characterised in that: described first
The two sides of gear (17) are fixedly installed with annular rotating block (18), and the middle part on the inside of two annular rotating blocks (18) is opened
Equipped with sliding slot (19), and slide plate (20) is slidably mounted on the inside of sliding slot (19).
5. a kind of brush DC variable-frequency motor rotor noise reduction components according to claim 1, it is characterised in that: the limit
The both ends of bar (16) are fixedly installed with slide plate (20) and baffle (15) respectively, the spring (14) be fixedly installed in baffle (15) with
Between annular connecting plate (9), and the diameter of spring (14) is greater than the diameter of limit sleeve (13).
6. a kind of brush DC variable-frequency motor rotor noise reduction components according to claim 1, it is characterised in that: the stator
(3) by being fixedly installed in the right part of shell (1) inner wall every magnetosphere (2), the rotor (5) is set to the inside of stator (3)
Middle part, and rotor (5) is fixedly installed in the outside of shaft (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920195829.XU CN209313623U (en) | 2019-02-14 | 2019-02-14 | A kind of brush DC variable-frequency motor rotor noise reduction components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920195829.XU CN209313623U (en) | 2019-02-14 | 2019-02-14 | A kind of brush DC variable-frequency motor rotor noise reduction components |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209313623U true CN209313623U (en) | 2019-08-27 |
Family
ID=67681658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920195829.XU Expired - Fee Related CN209313623U (en) | 2019-02-14 | 2019-02-14 | A kind of brush DC variable-frequency motor rotor noise reduction components |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209313623U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110994872A (en) * | 2019-12-05 | 2020-04-10 | 安徽德科电气科技有限公司 | Low-voltage generator with formed coil |
| CN114938104A (en) * | 2022-06-15 | 2022-08-23 | 湖北聚盛精密机械有限公司 | Noise reduction device of high-rotating-speed brushless motor |
-
2019
- 2019-02-14 CN CN201920195829.XU patent/CN209313623U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110994872A (en) * | 2019-12-05 | 2020-04-10 | 安徽德科电气科技有限公司 | Low-voltage generator with formed coil |
| CN114938104A (en) * | 2022-06-15 | 2022-08-23 | 湖北聚盛精密机械有限公司 | Noise reduction device of high-rotating-speed brushless motor |
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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 |
Granted publication date: 20190827 Termination date: 20210214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |