CN206452205U - A kind of permanent-magnet brushless DC electric machine of service life length - Google Patents
A kind of permanent-magnet brushless DC electric machine of service life length Download PDFInfo
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- CN206452205U CN206452205U CN201720125144.9U CN201720125144U CN206452205U CN 206452205 U CN206452205 U CN 206452205U CN 201720125144 U CN201720125144 U CN 201720125144U CN 206452205 U CN206452205 U CN 206452205U
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- bolt
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- housing
- rotary shaft
- regulation
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Abstract
The utility model discloses a kind of permanent-magnet brushless DC electric machine of service life length, including housing, installing plate has been fixedly connected with the right side of the case top and bottom, the right side of the housing is fixedly connected with drive end bearing bracket by the first bolt, second bolt that passes on left of the housing is fixedly connected with bonnet, the inner chamber of the housing is provided with rotary shaft, the left end of the rotary shaft is flexibly connected with the left side of housing cavity, the right-hand member of the rotary shaft runs through drive end bearing bracket and extends to the right side of drive end bearing bracket, the surface that the rotary shaft is located at housing cavity one end offers neck.The utility model fixture block carries out clamping with neck, so as to which the first regulation back-up ring and rotary shaft are fixed together, convenient regulation iron core is located at the position in rotary shaft, therefore the dynamic balancing of convenient regulation rotor assembly, optimum position on the rotary shaft can be made at rotor assembly, so as to substantially reduce vibration amplitude during motor work, the service life of motor is extended.
Description
Technical field
The utility model is related to motor device technical field, specially a kind of permanent magnet brushless dc of service life length
Machine.
Background technology
Compared with traditional electrical excitation motor, permanent magnet motor particularly rare-earth permanent magnet motor have it is simple in construction,
Reliable, small volume, quality be small, be lost less, efficiency high, and the shape and size of motor can be notable with grade versatile and flexible
Advantage, because application is extremely wide, almost throughout each neck of Aero-Space, national defence, industrial and agricultural production and daily life
Domain；Traditional permanent-magnet brushless DC electric machine p-m rotor is socketed in rotating shaft, and is fixedly connected by rotor rack, installs complicated,
The dynamic balancing of rotor can not be adjusted, causing motor, vibration amplitude is big in the course of the work, so that itself using for motor can be influenceed
Life-span.
Utility model content
The purpose of this utility model is to provide a kind of permanent-magnet brushless DC electric machine of service life length possess service life
Long advantage, solves the problem of vibration amplitude is big in the permanent-magnet brushless DC electric machine course of work.
To achieve the above object, the utility model provides following technical scheme：A kind of brushless, permanently of service life length is straight
Flow to be fixedly connected with the right side of installing plate, the housing on the right side of motor, including housing, the case top and bottom and pass through
First bolt is fixedly connected with drive end bearing bracket, and second bolt that passes on left of the housing is fixedly connected with bonnet, the housing
Inner chamber is provided with rotary shaft, and the left end of the rotary shaft is flexibly connected with the left side of housing cavity, and the right-hand member of the rotary shaft is passed through
Wear drive end bearing bracket and extend to the right side of drive end bearing bracket, the surface that the rotary shaft is located at housing cavity one end offers neck, described
The inwall of housing is installed with stator module, and one end that the rotary shaft is located at housing cavity is arranged with the successively from left to right
Nut, the first regulation gear are fixedly connected with the right side of one regulation back-up ring and the second regulation back-up ring, the second regulation back-up ring
Set cored between circle and the second regulation back-up ring, the 3rd bolt is provided through on the left of the first regulation back-up ring, it is described
The right-hand member of 3rd bolt sequentially passes through the first regulation back-up ring, iron core, the second regulation back-up ring and nut and the right side for extending to nut,
The surface of the first regulation back-up ring and the second regulation back-up ring opens up fluted, and the inwall of the groove offers the first screw thread
The inside of hole, the first regulation back-up ring and the second regulation back-up ring offers deep trouth, and first screwed hole is connected with deep trouth,
The inside of the groove is connected with magnetic shoe, and side of the magnetic shoe away from groove inner wall is provided through the 4th bolt, described
One end of four bolts sequentially passes through magnetic shoe and the first screwed hole and the inner chamber for extending to deep trouth, and the 4th bolt is located in deep trouth
One end of chamber is fixedly connected with fixture block, and side of the fixture block away from the 4th bolt extends to the inner chamber of neck.
It is preferred that, the surface of the installing plate offers the second screwed hole being adapted with the first bolt, first spiral shell
The left end of bolt sequentially passes through drive end bearing bracket and the second screwed hole and the outside for extending to the second screwed hole, first bolt and second
Screwed hole is threadedly coupled.
It is preferred that, the surface of the 3rd bolt is provided with external screw thread, and the nut is internally provided with and external screw thread phase
The internal thread of adaptation.
It is preferred that, the left end of the rotary shaft is flexibly connected through the left side of housing cavity and by bearing.
It is preferred that, offer sealing ring neck on the left of the housing, the sealing ring neck is internally provided with sealing
Circle, the left side of the sealing ring is contacted with bonnet.
Compared with prior art, the beneficial effects of the utility model are as follows：
1st, the utility model by the first regulation back-up ring, the second regulation back-up ring, nut and the 3rd bolt cooperation can be by
Iron core is fixed between the first regulation back-up ring and the second regulation back-up ring, and groove opens up the installation for facilitating magnetic shoe, passes through the first spiral shell
Magnetic shoe can be fixed for the cooperation of pit and the 4th bolt, and the 4th bolt of rotation drives fixture block movement, and fixture block enters with neck
Row clamping, so that the first regulation back-up ring and rotary shaft are fixed together, convenient regulation iron core is located at the position in rotary shaft, because
Dynamic balancing of this convenient regulation rotor assembly, can make at rotor assembly optimum position on the rotary shaft, so as to substantially reduce
Vibration amplitude when motor works, extends the service life of motor.
2nd, the utility model can be consolidated by the cooperation of installing plate, the first bolt and the second screwed hole to drive end bearing bracket
It is fixed, it is also convenient for dismantling drive end bearing bracket, the rotation of rotary shaft is easy in the setting of bearing, passes through the cooperation of the second bolt and bonnet
Bearing can be sealed, it is to avoid external dust enters Bearing inner and corrodes bearing, so as to be protected to bearing, by close
The cooperation of seal neck and sealing ring is used for increasing the sealing between bonnet and housing.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is that the utility model first adjusts back-up ring and the attachment structure left view of rotary shaft；
Fig. 3 is the utility model A-A partial structurtes enlarged diagram；
Fig. 4 is the utility model B-B partial structurtes enlarged diagram.
In figure：1 housing, 2 installing plates, 3 first bolts, 4 drive end bearing brackets, 5 second bolts, 6 bonnets, 7 rotary shafts, 8
Neck, 9 stator modules, 10 first regulation back-up rings, 11 second regulation back-up rings, 12 nuts, 13 iron cores, 14 the 3rd bolts,
15 grooves, 16 first screwed holes, 17 deep trouths, 18 magnetic shoes, 19 the 4th bolts, 20 fixture blocks, 21 second screwed holes, 22 axles
Hold, 23 sealing ring necks, 24 sealing rings.
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 obtained, belongs to the scope of the utility model protection.
Refer to Fig. 1-4, a kind of permanent-magnet brushless DC electric machine of service life length, including housing 1, the top of housing 1 and bottom
Installing plate 2 is fixedly connected with the right side of portion, the right side of housing 1 is fixedly connected with drive end bearing bracket 4, installing plate 2 by the first bolt 3
Surface offer the second screwed hole 21 being adapted with the first bolt 3, the left end of the first bolt 3 sequentially passes through the He of drive end bearing bracket 4
Second screwed hole 21 and the outside for extending to the second screwed hole 21, the first bolt 3 are threadedly coupled with the second screwed hole 21, pass through peace
Drive end bearing bracket 4 can be fixed for dress plate 2, the cooperation of the first bolt 3 and the second screwed hole 21, be also convenient for carrying out drive end bearing bracket 4
Dismounting, second bolt 5 that passes on left of housing 1 is fixedly connected with bonnet 6, and the inner chamber of housing 1 is provided with rotary shaft 7, rotary shaft 7
Left end be flexibly connected with the left side of the inner chamber of housing 1, the left end of rotary shaft 7 through the inner chamber of housing 1 left side and pass through bearing 22
It is flexibly connected, the rotation of rotary shaft 7 is easy in the setting of bearing 22, and the left side of housing 1 offers sealing ring neck 23, sealing ring card
Groove 23 is internally provided with sealing ring 24, and the left side of sealing ring 24 is contacted with bonnet 6, pass through the cooperation of the second bolt 5 and bonnet 6
Bearing 22 can be sealed, it is to avoid external dust enters the internal corrosion bearing 22 of bearing 22, so as to be protected to bearing 22
Shield, is used for increasing the sealing between bonnet 6 and housing 1 by the cooperation of sealing ring neck 23 and sealing ring 24, rotary shaft 7
Right-hand member runs through drive end bearing bracket 4 and extends to the right side of drive end bearing bracket 4, and the surface that rotary shaft 7 is located at the inner chamber one end of housing 1 offers neck
8, the inwall of housing 1 is installed with stator module 9, and one end that rotary shaft 7 is located at the inner chamber of housing 1 is arranged with successively from left to right
The first regulation regulation back-up ring 11 of back-up ring 10 and second, the right side of the second regulation back-up ring 11 is fixedly connected with nut 12, the first regulation
Cored 13 are set between the regulation back-up ring 11 of back-up ring 10 and second, the left side of the first regulation back-up ring 10 is provided through the 3rd bolt
14, the right-hand member of the 3rd bolt 14 sequentially passes through the first regulation back-up ring 10, the regulation back-up ring 11 of iron core 13, second and nut 12 and extended
To the right side of nut 12, the surface of the 3rd bolt 14 is provided with external screw thread, and being internally provided with for nut 12 is adapted with external screw thread
Internal thread, first regulation back-up ring 10 and second regulation back-up ring 11 surface open up fluted 15, the inwall of groove 15 is opened up
There is the first screwed hole 16, the inside of the first regulation regulation back-up ring 11 of back-up ring 10 and second offers deep trouth 17, the first screwed hole
16 connect with deep trouth 17, and the inside of groove 15 is connected with magnetic shoe 18, and side of the magnetic shoe 18 away from the inwall of groove 15 is provided through
4th bolt 19, one end of the 4th bolt 19 sequentially passes through the screwed hole 16 of magnetic shoe 18 and first and extends to the inner chamber of deep trouth 17,
One end that 4th bolt 19 is located at the inner chamber of deep trouth 17 is fixedly connected with fixture block 20, side extension of the fixture block 20 away from the 4th bolt 19
, can by the cooperation of the first regulation regulation of back-up ring 10, second back-up ring 11, the bolt 14 of nut 12 and the 3rd to the inner chamber of neck 8
Iron core 13 is fixed between the first regulation back-up ring 10 and the second regulation back-up ring 11, groove 15 opens up the peace for facilitating magnetic shoe 18
Dress, magnetic shoe 18 can be fixed by the cooperation of the first screwed hole 16 and the 4th bolt 19, and the 4th bolt 19 of rotation drives
Fixture block 20 is moved, and fixture block 20 carries out clamping with neck 8, so that the first regulation back-up ring 10 and rotary shaft 7 are fixed together, it is convenient
The position that iron core 13 is located in rotary shaft 7, therefore the dynamic balancing of convenient regulation rotor assembly are adjusted, rotor assembly can be in
Optimum position in rotary shaft 7, so that vibration amplitude when substantially reducing motor work, extends the service life of motor.
In use, iron core 13 is placed between the first regulation back-up ring 10 and the second regulation back-up ring 11, pass through the He of nut 12
Iron core 13 is fixed between the first regulation back-up ring 10 and the second regulation back-up ring 11 by the cooperation of the 3rd bolt 14, adjusts iron core 13
Position in rotary shaft 7, the 4th bolt 19 of rotation drives fixture block 20 to move, and fixture block 20 and neck 8 carry out clamping, so that by the
One regulation back-up ring 10 and rotary shaft 7 are fixed together.
In summary：The permanent-magnet brushless DC electric machine of the service life length, by rotary shaft 7, neck 8, stator module 9,
The first regulation regulation of back-up ring 10, second back-up ring 11, nut 12, iron core 13, the 3rd bolt 14, groove 15, the first screwed hole 16, depth
Groove 17, magnetic shoe 18, the cooperation of the 4th bolt 19 and fixture block 20, solve vibration amplitude in the permanent-magnet brushless DC electric machine course of work
Big the problem of.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of permanent-magnet brushless DC electric machine of service life length, including housing (1), it is characterised in that：At the top of the housing (1)
With installing plate (2) has been fixedly connected with the right side of bottom, the right side of the housing (1) is fixedly connected with by the first bolt (3)
Drive end bearing bracket (4), the second bolt (5) that passes on left of the housing (1) is fixedly connected with bonnet (6), the inner chamber of the housing (1)
Rotary shaft (7) is provided with, the left end of the rotary shaft (7) is flexibly connected with the left side of housing (1) inner chamber, the rotary shaft (7)
Right-hand member is through drive end bearing bracket (4) and extends to the right sides of drive end bearing bracket (4), the rotary shaft (7) is located at housing (1) inner chamber one end
Surface offers neck (8), and the inwall of the housing (1) is installed with stator module (9), and the rotary shaft (7) is located at shell
One end of body (1) inner chamber is arranged with the first regulation back-up ring (10) and the second regulation back-up ring (11), described second successively from left to right
Be fixedly connected with nut (12) on the right side of regulation back-up ring (11), the first regulation back-up ring (10) and second adjust back-up ring (11) it
Between set cored (13), be provided through the 3rd bolt (14), the 3rd spiral shell on the left of first regulation back-up ring (10)
The right-hand member of bolt (14) sequentially passes through the first regulation back-up ring (10), iron core (13), the second regulation back-up ring (11) and nut (12) and prolonged
The right side of nut (12) is extended, the surface of the first regulation back-up ring (10) and the second regulation back-up ring (11) opens up fluted
(15), the inwall of the groove (15) offers the first screwed hole (16), the first regulation back-up ring (10) and the second regulation gear
The inside of circle (11) offers deep trouth (17), and first screwed hole (16) connects with deep trouth (17), the groove (15)
Inside is connected with magnetic shoe (18), and side of the magnetic shoe (18) away from groove (15) inwall is provided through the 4th bolt (19),
One end of 4th bolt (19) sequentially passes through magnetic shoe (18) and the first screwed hole (16) and the inner chamber for extending to deep trouth (17),
One end that 4th bolt (19) is located at deep trouth (17) inner chamber is fixedly connected with fixture block (20), and the fixture block (20) is away from the 4th
The side of bolt (19) extends to the inner chamber of neck (8).
2. a kind of permanent-magnet brushless DC electric machine of service life length according to claim 1, it is characterised in that：It is described to install
The surface of plate (2) offers the second screwed hole (21) being adapted with the first bolt (3), the left end of first bolt (3) according to
It is secondary run through drive end bearing bracket (4) and the second screwed hole (21) and the outside for extending to the second screwed hole (21), first bolt (3) and
Second screwed hole (21) is threadedly coupled.
3. a kind of permanent-magnet brushless DC electric machine of service life length according to claim 1, it is characterised in that：Described 3rd
The surface of bolt (14) is provided with external screw thread, and the nut (12) is internally provided with the internal thread being adapted with external screw thread.
4. a kind of permanent-magnet brushless DC electric machine of service life length according to claim 1, it is characterised in that：The rotation
The left end of axle (7), which runs through the left side of housing (1) inner chamber and passes through bearing (22), to be flexibly connected.
5. a kind of permanent-magnet brushless DC electric machine of service life length according to claim 1, it is characterised in that：The housing
(1) sealing ring neck (23) is offered on the left of, the sealing ring neck (23) is internally provided with sealing ring (24), described close
The left side of seal (24) is contacted with bonnet (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720125144.9U CN206452205U (en) | 2017-02-10 | 2017-02-10 | A kind of permanent-magnet brushless DC electric machine of service life length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720125144.9U CN206452205U (en) | 2017-02-10 | 2017-02-10 | A kind of permanent-magnet brushless DC electric machine of service life length |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206452205U true CN206452205U (en) | 2017-08-29 |
Family
ID=59666524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720125144.9U Expired - Fee Related CN206452205U (en) | 2017-02-10 | 2017-02-10 | A kind of permanent-magnet brushless DC electric machine of service life length |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206452205U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108063507A (en) * | 2017-11-15 | 2018-05-22 | 广东美的环境电器制造有限公司 | Direct current generator and fan |
| CN108599445A (en) * | 2018-07-09 | 2018-09-28 | 电子科技大学中山学院 | Brushless direct current motor with pin structure |
-
2017
- 2017-02-10 CN CN201720125144.9U patent/CN206452205U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108063507A (en) * | 2017-11-15 | 2018-05-22 | 广东美的环境电器制造有限公司 | Direct current generator and fan |
| CN108599445A (en) * | 2018-07-09 | 2018-09-28 | 电子科技大学中山学院 | Brushless direct current motor with pin structure |
| CN108599445B (en) * | 2018-07-09 | 2023-11-03 | 深圳市八达威科技有限公司 | Brushless direct current motor with contact pin structure |
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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: 20170829 Termination date: 20180210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |