CN108768060A - Rotating shaft with exhaust structure and motor - Google Patents
Rotating shaft with exhaust structure and motor Download PDFInfo
- Publication number
- CN108768060A CN108768060A CN201810837082.3A CN201810837082A CN108768060A CN 108768060 A CN108768060 A CN 108768060A CN 201810837082 A CN201810837082 A CN 201810837082A CN 108768060 A CN108768060 A CN 108768060A
- Authority
- CN
- China
- Prior art keywords
- bearing
- shaft
- slot
- exhaust structure
- annular groove
- 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.)
- Granted
Links
- 230000008520 organization Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention provides a rotating shaft with an exhaust structure and a motor, wherein the rotating shaft is applied to the motor and comprises a rotating shaft body; one end of the rotating shaft body is provided with a bearing connecting part; the bearing connecting part is provided with an exhaust structure; the rotating shaft with the exhaust structure and the motor provided by the invention have relatively simple structures, are convenient to assemble and process, and can effectively improve the production efficiency and reduce the noise.
Description
Technical field
The invention belongs to motor component technical fields, and in particular to a kind of shaft and motor with exhaust structure.
Background technology
Existing motor some special occasions or it is higher to protection level requirements when, need to meet using water-sealed bearing
Shaft connects, however due to the protection level requirements of motor, and the bearing with end cover room of motor trepanning or can not increase air discharge duct, and
Since leakproofness is relatively good, gas can not be excluded water-sealed bearing by bearing, and when bearing is assembled with bearing with end cover room must apply
Lubricating oil is smeared, gas can not be also discharged by bearing chamber and bearing outer ring gap, can lead to concentricity difference band if increasing gap
The problems such as noise come；The above problem can solve cast-aluminum end cover by bearing chamber air discharge duct, but for stretching end cap
It then cannot achieve, and cost of implementation is higher；Therefore, existing motor can not be discharged when being assembled using water-sealed bearing because of gas
Reason causes to produce difficult assembly, and efficiency is low, bearing abnormal noise rate is higher, becomes the main bottleneck problem of its production and processing.
Based on technical problem present in above-mentioned motor, there has been no relevant solutions；Therefore there is an urgent need to seek to have
Efficacious prescriptions case is to solve the above problems.
Invention content
The purpose of the present invention is shortcomings present in view of the above technology, propose a kind of shaft with exhaust structure
And motor, it is intended to solve the problems, such as that existing motor noise is big.
The present invention provides a kind of shaft with exhaust structure, is applied on motor, including shaft ontology；Shaft ontology one
End is equipped with bearing attachment；Bearing attachment is equipped with exhaust structure.
Further, exhaust structure includes annular groove and annular gap slot；Annular groove and annular gap slot are distinguished
Along the circumferentially disposed on bearing attachment of shaft；Annular groove is connected to annular gap slot by the first open slot, to be formed
First exhaust passage.
Further, annular groove is set to annular gap slot upper end；Annular gap slot passes through the second open slot and bearing
The end of interconnecting piece is connected to, to form second exhaust channel.
Further, the first open slot is round straight slot；Axial setting and bearing attachment of first open slot along shaft
Outer surface on, and with outside be connected to.
Further, the second open slot is round straight slot；Axial setting and bearing attachment of second open slot along shaft
Outer surface on, and with outside be connected to.
Further, the first open slot and the second open slot are respectively arranged at the both sides of shaft.
Further, the section of annular gap slot is V-type or concave or U-shaped.
The present invention also provides a kind of motors, include shaft；The shaft turns for described above with exhaust structure
Axis.
Further, further include having end cap；End cap is to stretch end cap；It stretches end cap and is equipped with bearing chamber；It is set in bearing chamber
There is bearing；Bearing attachment water-sealed bearing；Shaft is rotatably set in bearing by bearing attachment so that exhaust structure with
Bearing and/or bearing chamber connection.
Further, exhaust structure includes annular groove and annular gap slot；Annular groove and annular gap slot are distinguished
Along the circumferentially disposed on bearing attachment of bearing；Annular groove is set to annular gap slot upper end；Annular groove to bearing connects
The distance of socket part end is more than the distance that bearing attachment stretches into bearing.
Shaft and electric machine structure provided by the invention with exhaust structure have the advantages that：
The first, using organization plan provided by the invention, cast-aluminum end cover can effectively be solved, especially stretching end cap can not be set
When setting bearing chamber air discharge duct, the problem of high-protection level motor can not be vented using the bearing chamber of water-sealed bearing；
The second, using organization plan provided by the invention, the influence of countershaft bearing chamber excircle part minimizes；
Third, using organization plan provided by the invention so that stress evenly, can be effective when bearing and shaft are assembled
Avoid shaft strength unevenness situation；
4th, using organization plan provided by the invention, the noise of motor can effectively be reduced；And the structure is relatively simple
List is convenient for assembly and processing, effectively improves production efficiency.
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Below with reference to attached drawing, the invention will be further described：
Fig. 1 is prior art pivot structure schematic diagram；
Fig. 2 is a kind of front view of the pivot structure with exhaust structure of the present invention；
Fig. 3 is a kind of rearview of the pivot structure with exhaust structure of the present invention；
Fig. 4 is the parts Fig. 2 A enlarged diagrams；
Fig. 5 is the parts Fig. 3 B enlarged diagrams；
Fig. 6 is a kind of upward view of the pivot structure with exhaust structure of the present invention；
Fig. 7 is shaft of the present invention and electric motor end cap assembling schematic diagram；
Fig. 8 is a kind of electric machine structure schematic diagram of the present invention.
In figure：1, shaft；11, bearing attachment；12, annular groove；13, the first open slot；14, annular gap slot；15,
Second open slot；2, end cap；3, bearing；4, stator；5, rotor.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figures 2 to 6, the present invention provides a kind of shaft with exhaust structure, is applied on motor, including shaft
Ontology；Shaft ontology one end is equipped with bearing attachment 11；Bearing attachment 11 is equipped with exhaust structure；By connecting in shaft bearing
Socket part 11 is equipped with exhaust structure so that shaft, can be to bearing chamber or bearing when being connect with the bearing in motor bearings room
It is exhausted, to reduce noise.
Preferably, in conjunction with said program, as shown in Figures 2 to 6, in the present embodiment, exhaust structure includes annular groove
12 and annular gap slot 14；Wherein, annular groove 12 is jump-ring slot；The section of annular gap slot 14 is V-type or concave or U-shaped；
1 bearing attachment 11 of shaft offers annular gap slot 14, by size adjusting notch area, ensures the same of exhaust passage area
When reduce bearing attachment surface gap area；Specifically, annular groove 12 and annular gap slot 14 are respectively along the circumferential direction of shaft 1
It is set on bearing attachment 11；Annular groove 12 is connected to annular gap slot 14 by the first open slot 13, to form first
Exhaust passage, first exhaust passage can be used for that bearing is exhausted；Further, annular groove 12 is set to annular notch
The one end of slot 14 far from 11 end of bearing attachment；Also, annular gap slot 14 passes through the second open slot 15 and bearing attachment
11 end connection, to form second exhaust channel, second exhaust channel is for being that bottom is exhausted to bearing；By using
Said program can effectively be exhausted motor bearings and bearing chamber, to reduce noise.
Preferably, in conjunction with said program, as shown in Figures 2 to 6, in the present embodiment, the first open slot 13 is round straight slot；
First open slot 13 is connected in the axial setting of shaft 1 and the outer surface of bearing attachment 11 with outside；Using above-mentioned side
Case can be directly connected to by the first open slot with bearing, when shaft and bearing are assembled for being vented；Similarly, it second opens
Mouth slot 15 is round straight slot；Second open slot 15 along outer surface of the axial setting with bearing attachment of shaft 1, and with outside
Connection；Specifically, the first open slot 13 and the second open slot 15 are round straight slot so that while exhaust passage maximum, shaft
Outer circle slotted section area is minimum, reduces the adverse effect of fluting effect；When shaft and bearing are assembled, can be opened by second
Mouth slot is directly connected to bearing and bearing chamber, for being vented.
Preferably, in conjunction with said program, as shown in Figures 2 to 6, in the present embodiment, the first open slot 13 and second opening
Slot 15 is respectively arranged at the symmetrical both sides of shaft 1, to form symmetrical vent groove configuration；Using symmetrical vent groove configuration, pass through
Annular groove and annular gap slot are offered simultaneously in the bearing attachment of shaft, for being connected to symmetrical vent groove configuration, to
Form exhaust passage；Shaft strength is uneven when the symmetrical vent groove configuration simultaneously can slot shaft causes abnormal probability to drop
It is extremely minimum.
Correspondingly, in conjunction with said program, as shown in Fig. 7 to Fig. 8, the present invention also provides a kind of motor, include rotor 5,
Stator 4 and shaft 1；The shaft 1 is the shaft with exhaust structure described above；Can be had using above-mentioned pivot structure
Effect reduces the noise of motor, simplifies motor assembling structure, to improve efficiency of assembling.
Preferably, further include having end cap 2 in the present embodiment as shown in Fig. 7 to Fig. 8 in conjunction with said program；End cap 2 is to draw
Stretch end cap；End cap 2 is equipped with bearing chamber；Bearing 3 is equipped in bearing chamber；Bearing 3 is water-sealed bearing；Shaft 1 is connected by bearing
Portion is rotatably set in bearing 3, so that exhaust structure contacts connection with bearing 3 and/or bearing chamber, to bearing or bearing
Room is exhausted；Using the above scheme, for needing the motor using water-sealed bearing occasion, bearing chamber can not begin to rehearse air drain when,
It can effectively solve the problems, such as that bearing chamber can not be vented；The structure is relatively easy, can effectively improve production efficiency, and it is different to solve bearing
The high problem of the rate of sound.
Preferably, in conjunction with said program, as shown in Fig. 7 to Fig. 8, in the present embodiment, exhaust structure includes annular groove
12 and annular gap slot 14；Annular groove 12 and annular gap slot 14 are respectively along the circumferentially disposed on bearing attachment of shaft 1；
Annular groove 12 is set to the upper end of annular gap slot 14；And the distance of annular groove 12 to bearing attachment end is more than axis
Hold the distance that interconnecting piece stretches into bearing 3；Specifically, when the bearing attachment of shaft 1 is inserted into bearing 3, the bearing of shaft 1
Annular groove 12 on interconnecting piece need to be at least partly exposed to outside bearing 3, easy to exhaust.
Shaft and electric machine structure provided by the invention with exhaust structure have the advantages that：
The first, using organization plan provided by the invention, cast-aluminum end cover can effectively be solved, especially stretching end cap can not be set
When setting bearing chamber air discharge duct, the problem of high-protection level motor can not be vented using the bearing chamber of water-sealed bearing；
The second, using organization plan provided by the invention, the influence of countershaft bearing chamber excircle part minimizes；
Third, using organization plan provided by the invention so that stress evenly, can be effective when bearing and shaft are assembled
Avoid shaft strength unevenness situation；
4th, using organization plan provided by the invention, the noise of motor can effectively be reduced；And the structure is relatively simple
List is convenient for assembly and processing, effectively improves production efficiency.
The above, only presently preferred embodiments of the present invention not do limitation in any form to the present invention.It is any ripe
Those skilled in the art is known, without departing from the scope of the technical proposal of the invention, all using technology contents described above
Many possible changes and modifications are made to technical solution of the present invention, or are revised as the equivalent embodiment of equivalent variations.Therefore, all
It is the content without departing from technical solution of the present invention, any change modification made to the above embodiment of technology according to the present invention,
Equivalent variations and modification belong to the protection domain of the technical program.
Claims (10)
1. a kind of shaft with exhaust structure is applied on motor, which is characterized in that including shaft ontology；The shaft sheet
Body one end is equipped with bearing attachment；The bearing attachment is equipped with exhaust structure.
2. the shaft according to claim 1 with exhaust structure, which is characterized in that the exhaust structure includes annular
Groove and annular gap slot；The annular groove and the annular gap slot are respectively along the circumferentially disposed in the axis of the bearing
It holds on interconnecting piece；The annular groove is connected to the annular gap slot by the first open slot, to form first exhaust passage.
3. the shaft according to claim 2 with exhaust structure, which is characterized in that the annular groove is set to described
The one end of annular gap slot far from the bearing attachment end；The annular gap slot passes through the second open slot and the bearing
The end of interconnecting piece is connected to, to form second exhaust channel.
4. the shaft according to claim 2 with exhaust structure, which is characterized in that first open slot is round logical
Slot；First open slot is connected in the axial setting of the shaft and the outer surface of the bearing attachment, and with outside.
5. the shaft according to claim 3 with exhaust structure, which is characterized in that second open slot is round logical
Slot；Second open slot is connected in the axial setting of the shaft and the outer surface of the bearing attachment, and with outside.
6. the shaft according to claim 3 with exhaust structure, which is characterized in that first open slot and described
Two open slots are respectively arranged at the both sides of the shaft.
7. carrying the shaft of exhaust structure according to claim 2 to 6 any one of them, which is characterized in that the annular notch
The section of slot is V-type or concave or U-shaped.
8. a kind of motor includes shaft；It is characterized in that, the shaft is 1 to 7 any one of them band of the claims
There is the shaft of exhaust structure.
9. motor according to claim 8, which is characterized in that further include having end cap；The end cap is to stretch end cap；It is described
It stretches end cap and is equipped with bearing chamber；Bearing is equipped in the bearing chamber；The bearing is water-sealed bearing；The shaft passes through described
Bearing attachment is rotatably set in the bearing, so that the exhaust structure is connected to the bearing and/or bearing chamber.
10. motor according to claim 9, which is characterized in that the exhaust structure includes that annular groove and annular lack
Mouth slot；The annular groove and the annular gap slot are respectively along the circumferentially disposed on the bearing attachment of the shaft；
The annular groove is set to the annular gap slot upper end；The distance of the annular groove to the bearing attachment end is big
The distance of the bearing is stretched into the bearing attachment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810837082.3A CN108768060B (en) | 2018-07-26 | 2018-07-26 | Rotating shaft with exhaust structure and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810837082.3A CN108768060B (en) | 2018-07-26 | 2018-07-26 | Rotating shaft with exhaust structure and motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108768060A true CN108768060A (en) | 2018-11-06 |
| CN108768060B CN108768060B (en) | 2024-04-12 |
Family
ID=63971446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810837082.3A Active CN108768060B (en) | 2018-07-26 | 2018-07-26 | Rotating shaft with exhaust structure and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108768060B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1153819A (en) * | 1967-03-03 | 1969-05-29 | Borg Warner | Vented Mechanical Device |
| JP2003018804A (en) * | 2001-06-27 | 2003-01-17 | Matsushita Seiko Co Ltd | Dc motor and electric apparatus therewith |
| CN201156689Y (en) * | 2007-12-20 | 2008-11-26 | 上海熊猫机械(集团)有限公司 | Wind cooling motor |
| CN208424079U (en) * | 2018-07-26 | 2019-01-22 | 珠海格力电器股份有限公司 | Rotating shaft with exhaust structure and motor |
-
2018
- 2018-07-26 CN CN201810837082.3A patent/CN108768060B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1153819A (en) * | 1967-03-03 | 1969-05-29 | Borg Warner | Vented Mechanical Device |
| JP2003018804A (en) * | 2001-06-27 | 2003-01-17 | Matsushita Seiko Co Ltd | Dc motor and electric apparatus therewith |
| CN201156689Y (en) * | 2007-12-20 | 2008-11-26 | 上海熊猫机械(集团)有限公司 | Wind cooling motor |
| CN208424079U (en) * | 2018-07-26 | 2019-01-22 | 珠海格力电器股份有限公司 | Rotating shaft with exhaust structure and motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108768060B (en) | 2024-04-12 |
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