CN207926346U - A kind of noise reduction inner-rotor brushless motor - Google Patents
A kind of noise reduction inner-rotor brushless motor Download PDFInfo
- Publication number
- CN207926346U CN207926346U CN201820284752.9U CN201820284752U CN207926346U CN 207926346 U CN207926346 U CN 207926346U CN 201820284752 U CN201820284752 U CN 201820284752U CN 207926346 U CN207926346 U CN 207926346U
- Authority
- CN
- China
- Prior art keywords
- shell
- protective shell
- noise reduction
- wiring protective
- bolt
- 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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- Brushless Motors (AREA)
Abstract
The utility model discloses a kind of noise reduction inner-rotor brushless motors, including shell, the inner surface of the shell is provided with stator winding, the bottom end of the damping spring is provided with protecting seat, the front surface of the protecting seat is provided with fixed link, the front surface insertion of the fixed link is provided with the second bolt, and the front surface of fixed link is provided with the first bolt close to the lower position of the second bolt, the upper surface of the shell is provided with wiring protective shell, the top of the wiring protective shell is provided with compression spring, one end of the wiring protective shell is provided with cross bar, the upper surface of the cross bar is provided with plectrum.The utility model is conducive to protect junction block injury-free by being provided with compression spring and wiring protective shell; increase the safety of motor; it is provided with damping spring; it advantageously reduces shaft and rotates the vibration generated to motor housing; reduce noise when motor work; it is provided with protecting seat and the first bolt, is conducive to the installability for increasing motor.
Description
Technical field
The utility model is related to inner-rotor brushless technical field of motors more particularly to a kind of noise reduction inner-rotor brushless motors.
Background technology
Brshless DC motor is made of motor body and driver, is a kind of typical electromechanical integrated product, motor
When work, the vibration of generation will produce noise problem, more inconvenient when motor is installed, and junction block unprotect device,
Easily cause the damage of connecting part so that motor needs re-replace, waste of resource.
Utility model content
Purpose of the utility model is to solve problems in the prior art, and a kind of noise reduction inner-rotor brushless electricity proposed
Machine.
To achieve the goals above, the utility model uses following technical solution：
The inner surface of a kind of noise reduction inner-rotor brushless motor, including shell, the shell is provided with stator winding, described fixed
Sub- winding is internally provided with rotor permanent magnet, and the rotor permanent magnet is internally provided with connecting rod, the connecting rod it is interior
Portion is provided with shaft, and one end of the shell is provided with Hall sensor permanent magnet, the side of the Hall sensor permanent magnet
Wall is provided with Hall sensor, and the lower surface of the shell is provided with damping spring, and the front surface of shell is provided with supporting rack,
The bottom end of the damping spring is provided with protecting seat, and the front surface of the protecting seat is provided with fixed link, before the fixed link
Surface insertion is provided with the second bolt, and the front surface of fixed link is provided with the first spiral shell close to the lower position of the second bolt
The upper surface of bolt, the shell is provided with wiring protective shell, and the top of the wiring protective shell is provided with compression spring, and wiring is protected
Shell is internally provided with junction block, and one end of the wiring protective shell is provided with cross bar, and the upper surface of the cross bar, which is provided with, dials
Piece.
Preferably, one end of the compression spring is provided with fixture block, is fixedly connected by fixture block between compression spring and wiring protective shell,
And the outside of compression spring is provided with protective shell.
Preferably, there are two the quantity settings of the protecting seat, the quantity of the fixed link is provided with eight.
Preferably, the outside of the damping spring is provided with soft protective shell.
Preferably, connection is fixed by the connecting rod between the shaft and rotor permanent magnet.
Preferably, the one side wall setting of the wiring protective shell is fluted.
Compared with prior art, the utility model provides a kind of noise reduction inner-rotor brushless motor, has following beneficial to effect
Fruit：
1, the noise reduction inner-rotor brushless motor, by be provided with compression spring and wiring protective shell be conducive to protect junction block not by
Damage, increases the safety of motor.
2, the noise reduction inner-rotor brushless motor advantageously reduces shaft and rotates outside to motor by being provided with damping spring
The vibration that shell generates reduces noise when motor work.
3, the noise reduction inner-rotor brushless motor, by being provided with protecting seat and the first bolt, be conducive to increase motor can
Installation.
It is not directed to part in the device to be the same as those in the prior art or can be realized by using the prior art, the utility model
Scientific and reasonable for structure, simple to operate, the setting of shaft one end is fluted, is conducive to the installation of driven member, increases motor
Practicability.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the outside drawing of the utility model；
Fig. 3 is the enlarged drawing of A in Fig. 1.
In figure：1, shell；2, shaft；3, connecting rod；4, stator winding；5, damping spring；6, protecting seat；7, the first spiral shell
Bolt；8, fixed link；9, the second bolt；10, Hall sensor；11, Hall sensor permanent magnet；12, supporting rack；13, compression spring；
14, wiring protective shell；15, junction block；16, cross bar；17, plectrum；18, rotor permanent magnet.
Specific implementation mode
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.
In the description of the present invention, it should be understood that term "upper", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
Referring to Fig.1-3, a kind of noise reduction inner-rotor brushless motor, including shell 1, the inner surface of shell 1 be provided with stator around
Group 4, stator winding 4 is internally provided with rotor permanent magnet 18, and rotor permanent magnet 18 is internally provided with connecting rod 3, connecting rod 3
Be internally provided with shaft 2, one end of shell 1 is provided with Hall sensor permanent magnet 11, the one of Hall sensor permanent magnet 11
Side wall is provided with Hall sensor 10, and the lower surface of shell 1 is provided with damping spring 5, and the front surface of shell 1 is provided with support
The bottom end of frame 12, damping spring 5 is provided with protecting seat 6, and the front surface of protecting seat 6 is provided with fixed link 8, the preceding table of fixed link 8
Face insertion is provided with the second bolt 9, and the front surface of fixed link 8 is provided with the first spiral shell close to the lower position of the second bolt 9
The upper surface of bolt 7, shell 1 is provided with wiring protective shell 14, and the top of wiring protective shell 14 is provided with compression spring 13, and wiring is protected
Shell 14 is internally provided with junction block 15, and one end of wiring protective shell 14 is provided with cross bar 16, and the upper surface of cross bar 16 is provided with
Plectrum 17.
In order to protect junction block 15 without damage and convenient for wiring protective shell 14 switch and closure, it is excellent in the present embodiment
Choosing, one end of compression spring 13 is provided with fixture block, is fixedly connected by fixture block between compression spring 13 and wiring protective shell 14, and compression spring 13
Outside be provided with protective shell.
In order to increase the stability of motor installation, in the present embodiment, it is preferred that there are two the quantity settings of protecting seat 6, Gu
The quantity of fixed pole 8 is provided with eight.
In order to protect damping spring without damage, in the present embodiment, it is preferred that the outside of damping spring 5 is provided with soft
Protective shell.
Maintenance in order to be conducive to shaft is replaced, in the present embodiment, it is preferred that lead between shaft 2 and rotor permanent magnet 18
Connecting rod 3 is crossed to be fixedly connected.
In order to ensure that cross bar 16 is embedded in wiring protective shell 14, in the present embodiment, it is preferred that the one of wiring protective shell 14
Side wall setting is fluted.
The operation principle and process for using of the utility model：It, will if there is installation interface according to the product of required installation motor
First bolt 7 is mounted on interface, and motor is fixed, and such as without installation interface, the second bolt 9 is dismantled, while fixed link 8 is therewith
6 clamping of protecting seat is stirred plectrum 17 and drives cross bar 16 so that the generation deformation of compression spring 13, external power cord is connect by dismounting
Enter junction block 15, when motor, which works, generates vibration, vibration passes to damping spring 5 by shell 1, and damping spring 5 is logical
Overprotection seat 6 passes to installed equipment, after pressure is fed back, by vibration cancellation on damping spring 5, reduces motor
The noise generated by vibration.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of noise reduction inner-rotor brushless motor, including shell (1), which is characterized in that the inner surface of the shell (1) is provided with
Stator winding (4), the stator winding (4) are internally provided with rotor permanent magnet (18), the rotor permanent magnet (18) it is interior
Portion is provided with connecting rod (3), and the connecting rod (3) is internally provided with shaft (2), and one end of the shell (1) is provided with suddenly
That sensor permanent magnet (11), the one side wall of the Hall sensor permanent magnet (11) is provided with Hall sensor (10), described
The lower surface of shell (1) is provided with damping spring (5), and the front surface of shell (1) is provided with supporting rack (12), the damping bullet
The bottom end of spring (5) is provided with protecting seat (6), and the front surface of the protecting seat (6) is provided with fixed link (8), the fixed link (8)
Front surface insertion be provided with the second bolt (9), and the front surface of fixed link (8) is close to the lower position of the second bolt (9)
It is provided with the first bolt (7), the upper surface of the shell (1) is provided with wiring protective shell (14), the wiring protective shell (14)
Top be provided with compression spring (13), and wiring protective shell (14) is internally provided with junction block (15), the wiring protective shell
(14) one end is provided with cross bar (16), and the upper surface of the cross bar (16) is provided with plectrum (17).
2. a kind of noise reduction inner-rotor brushless motor according to claim 1, which is characterized in that one end of the compression spring (13)
It is provided with fixture block, is fixedly connected by fixture block between compression spring (13) and wiring protective shell (14), and the external setting of compression spring (13)
There is protective shell.
3. a kind of noise reduction inner-rotor brushless motor according to claim 1, which is characterized in that the number of the protecting seat (6)
There are two amount settings, and the quantity of the fixed link (8) is provided with eight.
4. a kind of noise reduction inner-rotor brushless motor according to claim 1, which is characterized in that the damping spring (5)
Outside is provided with soft protective shell.
5. a kind of noise reduction inner-rotor brushless motor according to claim 1, which is characterized in that the shaft (2) and rotor
It is fixedly connected by connecting rod (3) between permanent magnet (18).
6. a kind of noise reduction inner-rotor brushless motor according to claim 1, which is characterized in that the wiring protective shell (14)
One side wall setting it is fluted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820284752.9U CN207926346U (en) | 2018-03-01 | 2018-03-01 | A kind of noise reduction inner-rotor brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820284752.9U CN207926346U (en) | 2018-03-01 | 2018-03-01 | A kind of noise reduction inner-rotor brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207926346U true CN207926346U (en) | 2018-09-28 |
Family
ID=63600732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820284752.9U Expired - Fee Related CN207926346U (en) | 2018-03-01 | 2018-03-01 | A kind of noise reduction inner-rotor brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207926346U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112583175A (en) * | 2019-09-29 | 2021-03-30 | 中车株洲电力机车研究所有限公司 | Driving device for rail transit |
-
2018
- 2018-03-01 CN CN201820284752.9U patent/CN207926346U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112583175A (en) * | 2019-09-29 | 2021-03-30 | 中车株洲电力机车研究所有限公司 | Driving device for rail transit |
| CN112583175B (en) * | 2019-09-29 | 2022-04-08 | 中车株洲电力机车研究所有限公司 | Driving device for rail transit |
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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: 20180928 Termination date: 20210301 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |