CN106877549A - A kind of motor - Google Patents
A kind of motor Download PDFInfo
- Publication number
- CN106877549A CN106877549A CN201710270315.1A CN201710270315A CN106877549A CN 106877549 A CN106877549 A CN 106877549A CN 201710270315 A CN201710270315 A CN 201710270315A CN 106877549 A CN106877549 A CN 106877549A
- Authority
- CN
- China
- Prior art keywords
- protective jacket
- casing
- stator
- motor
- armature spindle
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
- H02K9/197—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
This application discloses a kind of motor, including：Casing, the open-ended of casing is sealedly connected with end cap；It is set in the stator protective jacket in casing；It is sealed in the stator coil between casing and stator protective jacket；The rotor assembly being arranged in stator protective jacket inner chamber for rotating, rotor assembly includes：The armature spindle of casing is stretched out in one end；Magnetic shoe is fixed and the rotor protective jacket on armature spindle is sealed in.In the motor that the present invention is provided, magnetic shoe and whole circuit blocks are isolated from the outside, avoid influence of the liquid phase medium to circuit block, and the fitted seal of stator protective jacket, casing and drive end bearing bracket, and rotor protective jacket and armature spindle fitted seal, be static seal mode, relative to existing dynamic sealing mode, its sealing reliability is higher so that the risk that motor is burned out due to seal failure is significantly reduced, and makes the service life of motor be extended.
Description
Technical field
The present invention relates to driving equipment technical field, more particularly to a kind of motor.
Background technology
At present, motor a kind of driving equipment most commonly seen in having become daily production and living.In the prior art,
The circuit block of motor is burnt, it is necessary to be sealed to motor in order to avoid liquid phase medium is entered into motor, and
It is typically all that O shapes are set and power output shaft between in the shell (specially drive end bearing bracket) of motor to the sealing means of motor
Circle or oil sealing.But, because power output shaft needs to be rotated relative to shell, so this kind of sealing means are dynamic sealing,
And dynamic sealing is very easy to cause seal ageing failure so that the probability that liquid phase medium enters into motor interior is larger, order
Motor have it is very big burn risk, had a strong impact on the service life of motor.
Therefore, how further to optimize the sealing structure of motor, have become current those skilled in the art and urgently solve
Problem certainly.
The content of the invention
In view of this, the invention provides a kind of motor, be improved by its sealing structure so that motor by
The risk burnt in seal failure is significantly reduced, and extends the service life of motor.
In order to achieve the above object, the present invention provides following technical scheme：
A kind of motor, including：
Casing, the open-ended of the casing is sealedly connected with end cap；
It is set in the stator protective jacket in the casing；
It is sealed in the stator coil between the casing and the stator protective jacket；
The rotor assembly being arranged in the stator protective jacket inner chamber for rotating, the rotor assembly includes：One end is stretched out
The armature spindle of the casing；Magnetic shoe is fixed and the rotor protective jacket on the armature spindle is sealed in.
Preferably, in above-mentioned motor, the end cap includes the rear end to the open rearward end sealing of casing described in cylindrical shape
The drive end bearing bracket that seals, the rotor are realized in lid, and front opening to the casing and the opening of the stator protective jacket
Axle passes through the drive end bearing bracket.
Preferably, in above-mentioned motor, the through hole for allowing liquid phase medium to enter into air gap is offered on the drive end bearing bracket,
The through hole is uniformly distributed for multiple, and axis around the drive end bearing bracket.
Preferably, in above-mentioned motor, the intermediate ends for supporting the stator protective jacket are provided with the inwall of the casing
Lid.
Preferably, in above-mentioned motor, adpting flange is provided with the front opening of the casing, the drive end bearing bracket passes through
The adpting flange is connected with the casing sealing.
Preferably, in above-mentioned motor, the stator protective jacket and the rotor protective jacket are non-magnetic stainless steel
Set.
Preferably, in above-mentioned motor, the armature spindle is rotated by the clutch shaft bearing of resistance to liquid phase medium and second bearing
It is arranged in the inner chamber of the stator protective jacket, and the installation clutch shaft bearing is provided with the bottom wall of the stator protective jacket
Clutch shaft bearing room, the second bearing room for installing the second bearing is provided with the drive end bearing bracket.
The motor that the present invention is provided, mainly including casing, end cap, stator protective jacket, stator coil and rotor assembly.Its
In, casing, end cap, stator protective jacket and stator coil constitute the stator module of motor, and casing and end cap can be real
The internal structure of existing motor is isolated with extraneous liquid phase medium, while casing, the cooperation of stator protective jacket and end cap can again
Realize sealing to stator coil so that stator coil is isolated with extraneous and rotor assembly completely, and in rotor assembly, using turn
Magnetic shoe is fixed and is sealed on armature spindle by sub- protective jacket, and rotor assembly can not only become one, and can be realized
Sealing to magnetic shoe.In the motor of said structure, the circuit block (stator coil) of stator module is in stator protective jacket, casing
It is completely isolated with the external world with the cooperation of drive end bearing bracket, and magnetic shoe also by rotor protective jacket be sealed on armature spindle and with the external world every
From so that whole circuit blocks of motor are realized with the external world isolates, it is to avoid influence of the liquid phase medium to circuit block,
And the fitted seal of stator protective jacket, casing and drive end bearing bracket, and rotor protective jacket and armature spindle fitted seal, be quiet
Sealing means, relative to existing dynamic sealing mode, its sealing reliability is higher so that motor is burnt due to seal failure
The risk ruined is significantly reduced, and makes the service life of motor be extended.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is the exploded view of motor provided in an embodiment of the present invention；
Fig. 2 is the sectional view of motor；
Fig. 3 is the side view of motor；
Fig. 4 is the structural representation of drive end bearing bracket；
Fig. 5 is the sectional view of stator protective jacket.
In Fig. 1-Fig. 5：
1- stator modules, 2- rotor assembly；
101- casings, 102- stator protective jackets, 103- stator coils, 104- rear end caps, 105- drive end bearing brackets, 106- through holes,
107- intermediate end covers, 108- adpting flanges, 201- armature spindles, 202- rotor protective jackets, 203- clutch shaft bearings, the axles of 204- second
Hold, 205- clutch shaft bearings room, 206- second bearings room.
Specific embodiment
The invention provides a kind of motor, it is improved by its structure so that the sealing structure of motor is obtained
Optimization, makes the motor can be worked in liquid phase medium for a long time.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As Figure 1-Figure 5, motor provided in an embodiment of the present invention, refers specifically to cylinder-shape linear motor, its
Including：Casing 101, the open-ended end cap by sealing against connection of the casing 101 realizes closure；It is set in casing 101
Interior stator protective jacket 102；The stator coil 103 between casing 101 and stator protective jacket 102 is sealed in, to stator coil 103
Sealing, be under the encirclement of casing 101, stator protective jacket 102 and drive end bearing bracket 105 realize, casing 101, end cap, stator prevent
Sheath 102 and stator coil 103 constitute the stator module 1 of motor；What is rotated is arranged in the inner chamber of stator protective jacket 102
Rotor assembly 2, this rotor assembly 2 mainly includes armature spindle 201, magnetic shoe and rotor protective jacket 202, and one end of armature spindle 201 is worn
Cross drive end bearing bracket 105 and extend out to the outside of casing 101, magnetic shoe is fixed on armature spindle 201, and rotor protective jacket 202 is then and turns
Sub- axle 201 is tightly connected the part to fix and be sealed on armature spindle 201 magnetic shoe.
The motor of said structure, can be by casing 101, stator protective jacket 102 and end cap (specially drive end bearing bracket 105)
Cooperation, sealing is realized to the stator coil 103 of stator module 1 so that the circuit block of stator module 1 completely with the external world every
From, additionally it is possible to by rotor protective jacket 202 and armature spindle 201 is tightly connected magnetic shoe is realized sealing so that its completely with the external world
Isolation, so that whole circuit blocks and magnetic shoe of motor are realized with the external world and isolated, and stator protective jacket 102,
The fitted seal of casing 101 and end cap, and rotor protective jacket 202 and armature spindle 201 fitted seal, be static seal side
Formula, so that sealing reliability is significantly improved, and then makes motor be burnt because seal failure causes liquid phase medium to enter
Risk is substantially reduced, and makes the service life of motor be extended.
In the motor provided for further optimisation technique scheme, the present embodiment, end cap is included to cylindrical casing 101
Open rearward end sealing rear end cap 104, and front opening to casing 101 and stator protective jacket 102 it is open-ended
The drive end bearing bracket 105 of sealing is realized, armature spindle 201 passes through drive end bearing bracket 105, as shown in Figures 2 and 3.There is provided due to the present embodiment
Motor is preferably cylinder-shape linear motor, so its casing 101 is respectively provided with the cylindrical casing of opening for two ends, and in order to anti-
Only liquid phase medium enters into the inside of motor, it is necessary to liquid phase medium is isolated in outside motor using casing 101, so
Need to block the both ends open of casing 101, i.e., be tightly connected the open rearward end of casing 101 with rear end cap 104 to realize
Closure to open rearward end, while being realized to front opening using the front opening that drive end bearing bracket 105 is tightly connected casing 101
Closure.And in order to ensure the normal work of motor, in addition it is also necessary to armature spindle 201 is passed through drive end bearing bracket 105 so that power can be just
Often output.Further, since stator protective jacket 102 is barrel shaped structure, the position of its front opening of close casing 101 also has end
Opening, so in order to optimize structure, when drive end bearing bracket 105 is when front opening is blocked, also to the open-ended of stator protective jacket 102
Closure is realized simultaneously, as shown in Fig. 2 so as to form a complete cavity for encirclement stator coil 103, while it also avoid setting
Special open-ended closeouts, simplify the structure of motor.
In the present embodiment, stator module 1 is set to what is be formed by connecting by casing 101, drive end bearing bracket 105 and rear end cap 104
Split-type structural, is the assembling of stator protective jacket 102 and stator coil 103 for convenience.Meanwhile, in order to ensure the He of casing 101
Rear end cap 104 is tightly connected, and the present embodiment is directly by rear end cap 104 close using glue further preferably when stator module 1 is assembled
Envelope is bonded in the open rearward end of casing 101.
Preferably, the through hole 106 for allowing liquid phase medium to enter into air gap is offered on drive end bearing bracket 105, and makes through hole
106 is multiple, and multiple through holes 106 are uniformly distributed around the axis of drive end bearing bracket 105, shown as shown in Figure 1, Figure 3 and Figure 4.Air gap, refers to
It is the space between motor stator and rotor, in the present embodiment, because the endothecium structure of stator module 1 is stator protection
Set 102, the layer structure of rotor assembly 2 is rotor protective jacket 202 (also including the armature spindle 201 of a part), so this implementation
Air gap in example is specially the space (the cooling space subsequently mentioned) between stator protective jacket 102 and rotor protective jacket 202,
This space is a part for the inner chamber of stator protective jacket 102.In the present embodiment, why through hole 106 is opened up on drive end bearing bracket 105,
It is in order that the liquid phase medium in the external world can be entered into air gap by through hole 106, to be realized with the circuit block to motor cold
But, so as to avoid the internal temperature of motor too high so that circuit block can work in suitable temperature environment, and then
Improve the working life of motor.Also, by being tightly connected for rotor protective jacket 202 and armature spindle 201 so that magnetic shoe quilt
Isolation, contacts so as to avoid the magnetic shoe in the inner chamber of stator protective jacket 102 with liquid phase medium so that liquid phase medium can only be
Flowed in the cooling space that stator protective jacket 102, rotor protective jacket 202 and drive end bearing bracket 105 are surrounded.And it is uniform to make through hole 106
The multiple of setting, then be in order that liquid phase medium more smooth, can be entered into timely in whole cooling space, it is right to improve
The cooling effect of motor.
Further, the sealed end of support stator protective jacket 102 is provided with the inwall of casing 101, and (this sealed end refers to
The open-ended relative other end with stator protective jacket 102) intermediate end cover 107, as depicted in figs. 1 and 2.In the middle of setting
The purpose of end cap 107, is on the premise of the open-ended and drive end bearing bracket 105 of stator protective jacket 102 is tightly connected, also to stator
The other end (i.e. sealed end) of protective jacket 102 is also carried out supporting and fixes, and is prevented with ensureing stator protective jacket 102 and being arranged on stator
The job stability of the rotor assembly 2 in sheath 102.Additionally, it is preferred that intermediate end cover 107 is set into annular, additionally it is possible to improve
Stator protective jacket 102 and the armature spindle 201 being arranged in stator protective jacket 102 and the axiality of stator module 1.
As shown in figures 1 and 3, adpting flange 108 is further preferably provided with the front opening of casing 101, drive end bearing bracket 105 leads to
Adpting flange 108 is crossed to be tightly connected with casing 101.Setting adpting flange 108 can improve drive end bearing bracket 105 and casing 101 is connected
Fastness and sealing, so as preferred structure.And in order to further improve sealing effectiveness, the present embodiment is further preferably
Casing 101 and adpting flange 108 are structure as a whole.
Specifically, the preferred stator protective jacket 102 of the present embodiment and rotor protective jacket 202 are non-magnetic stainless steel sleeve.
It is preferred that stator protective jacket 102 and rotor protective jacket 202 are stainless steel sleeve, it is in order to avoid liquid phase medium is to rotor protective jacket 202
Corrosion is caused, so that motor has longer working life.
In the present embodiment, armature spindle 201 is prevented by the stator that is arranged on that clutch shaft bearing 203 and second bearing 204 are rotated
In the inner chamber of sheath 102, and on the bottom wall of the sealed end for forming stator protective jacket 102, it is provided with and clutch shaft bearing 203 is installed
Clutch shaft bearing room 205, is provided with the second bearing room 206 for installing second bearing 204, such as Fig. 2, Fig. 4 and Fig. 5 on drive end bearing bracket 105
It is shown.By said structure, clutch shaft bearing 203 is arranged on stator protective jacket 102, second bearing 204 is arranged on front end
On lid 105 so that stator protective jacket 102 and drive end bearing bracket 105 coordinate the installation realized to armature spindle 201, electronic so as to simplify
The structure of machine so that the structure of motor is compacter, and then make its sealing property be further improved.Specifically,
Clutch shaft bearing 203 and second bearing 204 are preferably the bearing of resistance to liquid phase medium, when such as being worked in kerosene, the He of clutch shaft bearing 203
Second bearing 204 can be Graphene bearing.
Additionally, in the present embodiment, rotor protective jacket 202 is tightly connected with armature spindle 201, it is by the pressing reality of end ring
Existing.This kind of connected mode is easy for installation, good sealing effect, so as the preferred scheme of the present embodiment.
Each part is described by the way of progressive in this specification, what the structure of each part was stressed is
With the difference of existing structure, motor entirety and part-structure can be obtained by combining the structure of above-mentioned some.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The scope most wide for causing.
Claims (8)
1. a kind of motor, it is characterised in that including：
Casing, the open-ended of the casing is sealedly connected with end cap；
It is set in the stator protective jacket in the casing；
It is sealed in the stator coil between the casing and the stator protective jacket；
The rotor assembly being arranged in the stator protective jacket inner chamber for rotating, the rotor assembly includes：One end is stretched out described
The armature spindle of casing；Magnetic shoe is fixed and the rotor protective jacket on the armature spindle is sealed in.
2. motor according to claim 1, it is characterised in that the end cap includes the rear end to casing described in cylindrical shape
Be open the rear end cap of sealing, and front opening to the casing and the stator protective jacket opening realize sealing before
End cap, the armature spindle passes through the drive end bearing bracket.
3. motor according to claim 2, it is characterised in that permission liquid phase medium is offered on the drive end bearing bracket and is entered
Through hole in air gap, the through hole is uniformly distributed for multiple, and axis around the drive end bearing bracket.
4. motor according to claim 2, it is characterised in that the support stator is provided with the inwall of the casing
The intermediate end cover of protective jacket.
5. motor according to claim 2, it is characterised in that be provided with connection method on the front opening of the casing
Orchid, the drive end bearing bracket is connected by the adpting flange with the casing sealing.
6. the motor according to any one in claim 1-5, it is characterised in that the stator protective jacket and described turn
Sub- protective jacket is non-magnetic stainless steel sleeve.
7. motor according to claim 6, it is characterised in that the armature spindle by the clutch shaft bearing of resistance to liquid phase medium and
What second bearing was rotated is arranged in the inner chamber of the stator protective jacket, and is provided with peace on the bottom wall of the stator protective jacket
The clutch shaft bearing room of the clutch shaft bearing is filled, the second bearing room for installing the second bearing is provided with the drive end bearing bracket.
8. motor according to claim 7, it is characterised in that pressing realization and rotor of the protective jacket by end ring
Axle is tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710270315.1A CN106877549A (en) | 2017-04-24 | 2017-04-24 | A kind of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710270315.1A CN106877549A (en) | 2017-04-24 | 2017-04-24 | A kind of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106877549A true CN106877549A (en) | 2017-06-20 |
Family
ID=59161264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710270315.1A Pending CN106877549A (en) | 2017-04-24 | 2017-04-24 | A kind of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106877549A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107689704A (en) * | 2017-09-18 | 2018-02-13 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor and motor assemble method |
| CN109260995A (en) * | 2018-06-23 | 2019-01-25 | 林宇仲 | A kind of brushless foam blender of minisize dc waterproof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3911300A (en) * | 1971-08-13 | 1975-10-07 | Taco Inc | Encapsulated wet dynamoelectric machine rotor |
| CN2377764Y (en) * | 1999-06-22 | 2000-05-10 | 郑锡铎 | Immersible electric machine |
| CN101777816A (en) * | 2009-12-08 | 2010-07-14 | 精进电动科技（北京）有限公司 | Motor and method for oil cooling to motor |
| CN201994757U (en) * | 2011-04-26 | 2011-09-28 | 上海润驰电气有限公司 | Direct current motor for solar water pump system |
| US20120248904A1 (en) * | 2011-03-31 | 2012-10-04 | Caterpillar Inc. | Uniform contained cooling for stator |
| CN205336072U (en) * | 2015-12-15 | 2016-06-22 | 中国电子科技集团公司第二十一研究所 | Valve is with limited corner torque motor |
| CN106505776A (en) * | 2016-11-23 | 2017-03-15 | 浙江迪野农业装备有限公司 | The waterproof construction of pump motor |
| CN206727776U (en) * | 2017-04-24 | 2017-12-08 | 湖州太平微特电机有限公司 | A kind of motor |
-
2017
- 2017-04-24 CN CN201710270315.1A patent/CN106877549A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3911300A (en) * | 1971-08-13 | 1975-10-07 | Taco Inc | Encapsulated wet dynamoelectric machine rotor |
| CN2377764Y (en) * | 1999-06-22 | 2000-05-10 | 郑锡铎 | Immersible electric machine |
| CN101777816A (en) * | 2009-12-08 | 2010-07-14 | 精进电动科技（北京）有限公司 | Motor and method for oil cooling to motor |
| US20120248904A1 (en) * | 2011-03-31 | 2012-10-04 | Caterpillar Inc. | Uniform contained cooling for stator |
| CN201994757U (en) * | 2011-04-26 | 2011-09-28 | 上海润驰电气有限公司 | Direct current motor for solar water pump system |
| CN205336072U (en) * | 2015-12-15 | 2016-06-22 | 中国电子科技集团公司第二十一研究所 | Valve is with limited corner torque motor |
| CN106505776A (en) * | 2016-11-23 | 2017-03-15 | 浙江迪野农业装备有限公司 | The waterproof construction of pump motor |
| CN206727776U (en) * | 2017-04-24 | 2017-12-08 | 湖州太平微特电机有限公司 | A kind of motor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107689704A (en) * | 2017-09-18 | 2018-02-13 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor and motor assemble method |
| CN107689704B (en) * | 2017-09-18 | 2024-01-30 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor and motor assembling method |
| CN109260995A (en) * | 2018-06-23 | 2019-01-25 | 林宇仲 | A kind of brushless foam blender of minisize dc waterproof |
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