CN207910587U - A kind of flame-proof electric motor - Google Patents
A kind of flame-proof electric motor Download PDFInfo
- Publication number
- CN207910587U CN207910587U CN201820062875.8U CN201820062875U CN207910587U CN 207910587 U CN207910587 U CN 207910587U CN 201820062875 U CN201820062875 U CN 201820062875U CN 207910587 U CN207910587 U CN 207910587U
- Authority
- CN
- China
- Prior art keywords
- oil
- bearing
- end cap
- outer end
- ring
- 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.)
- Active
Links
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a kind of flame-proof electric motors, including shell, shell end is equipped with outer end cap, outer end cap is equipped with shaft, the side of outer end cap is equipped with locating ring, interference fit has bearing in locating ring, the inner ring of bearing is interference fitted with shaft, the top of outer end cap offers oil filler point, outer end cap top is equipped with lubricating cup in the opening of oil filler point, the inner wall of outer end cap offers the oil-through hole being connected with oil filler point, the top of locating ring offers the oil groove excessively being connected with oil-through hole, shell end is equipped with inner end cap, the side of inner end cap offers lower oil groove, lower oil groove is connected with oil groove and bearing excessively, inner end cap is equipped with the convex block abutted against with bearing inner race in the slot bottom of lower oil groove, the side of convex block towards bearing offers oil storage tank.Lubricating oil flows to oil-through hole by oil filler point and crosses in oil groove, and then flows in lower oil groove and oil storage tank, and lubricating oil covers oil storage tank, enters between the inner ring and outer ring of bearing, plays lubricating action, improves the service life of bearing.
Description
Technical field
The utility model is related to a kind of motor, more particularly, to a kind of flame-proof electric motor.
Background technology
Motor is a kind of equipment for converting electrical current into mechanical energy, it is to generate rotating excitation field using stator winding and make
Electro-magnetic motor force rotation torque is formed for rotor.Motor is mainly made of stator and rotor, electrified wire stress in magnetic field
The direction of movement is related with magnetic induction line direction with current direction.Wherein, flame-proof electric motor is that one kind can be in combustible and explosive area
A kind of motor used, when operation, do not generate electric spark.
Notification number is that the Chinese patent of CN205544712U discloses a kind of oiling electric motor end cap, the oiling electric motor end cap packet
End cap ontology is included, end cap body central is equipped with shaft, and being located at shaft periphery in end cap ontology is equipped with bearing, the top of end cap ontology
Oil input channel equipped with connection bearing, the lower part of end cap ontology are equipped with the oil road of connection bearing, and the periphery of end cap ontology sets encirclement
The oil pipe of oil input channel entrance and the oil sump tank for surrounding oil road outlet, oil pipe is arranged concentrically with oil input channel entrance and the inner wall of oil pipe
Diameter is more than the diameter of oil input channel, and oil sump tank is arranged concentrically with oil road outlet and the inner diameter of oil sump tank is more than oil road
Diameter, oil pipe top is equipped with plug cock and lower part is equipped with controlled valve, is set from controlled valve position to upper surface on the inner wall of oil pipe
There is scale.
Due to that can not observe that inner shaft of motor holds working condition, staff is only capable of through micro-judgment, with every one section
Time carries out oiling.When oiling is too early, is retained since the lubricating oil of Bearing inner also has, be susceptible to lubricating oil and got rid of by bearing
Go out, when in turn resulting in waste, and being overhauled to motor, the lubricating oil being thrown out of speckled on electric motor end cap to overhaul ring
Border is poor；When oiling too late when, Bearing inner not by the lubricating action of lubricating oil, then so that bearing service life reduction, have
It is to be modified.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of fire-proof motor, can reduce
Oiling frequency improves the service life of bearing.
To achieve the above object, the utility model provides following technical solution：
A kind of fire-proof motor includes the shell of both ends setting opening, is provided with outer end cap on the outside of the shell end, institute
It states outer end cap and is axially equipped with shaft, the side of the outer end cap towards shell is axially provided with locating ring, in the locating ring
Interference fit has bearing, inner ring and the shaft of the bearing to be interference fitted, and it is in be vertically arranged that the top of the outer end cap, which offers,
Oil filler point, the outer end cap top is provided with lubricating cup in the opening of oil filler point, and the inner wall of the outer end cap is offered and noted
The oil-through hole that oilhole is connected, the top of the locating ring offer the oil groove excessively being connected with oil-through hole, the oil groove excessively
Slot bottom is provided with inner end cap, the side of the inner end cap towards bearing offers in being horizontally disposed on the inside of the shell end
Lower oil groove, the lower oil groove are connected with oil groove and bearing is crossed, and the inner end cap is provided with and bearing in the slot bottom of lower oil groove
The side of the convex block that inner ring abuts against, the convex block towards bearing offers oil storage tank.
By using above-mentioned technical proposal, lubricating oil is added by lubricating cup, lubricating oil by oil filler point flow to oil-through hole and
It crosses in oil groove, and then flowed in lower oil groove and oil storage tank by crossing oil groove, after lubricating oil covers oil storage tank, enters bearing
Between inner ring and outer ring, and then play lubricating action.During oiling, the slot bottom due to crossing oil groove is being noted in being horizontally disposed with
The slot bottom that parts of lubricating oil remained in oil groove is had during oil, but with the vibration in motor operation course, crosses oil groove
Slot bottom in lubricating oil can gradually flow in lower oil groove.And also there is oil storage tank certain storage capacity, bearing inner race to pass through
The centrifugation force effect of rotation between can the lubricating oil in oil storage tank being thrown to the inner ring and outer ring of bearing, and then plays lubrication
Effect.And then avoid the oiling time too late, cause the abrasion of bearing to increase, and then improve the service life of bearing.
The utility model is further arranged to：The shaft is arranged with fixed ring, and the fixed ring is relative to inner end cap position
In the other side of bearing, the side wall circumferential direction of the fixed ring, which is provided with, gets rid of oiled-plate method.
By using above-mentioned technical proposal, it can stop that the lubricating oil in bearing is got rid of to outside by getting rid of oiled-plate method, improve
The tidiness of motor internal environment is convenient for the maintenance in later stage.
The utility model is further arranged to：The shaft radially offers mounting groove, and gear is provided in the mounting groove
Circle, the side wall of the baffle ring and the side wall for getting rid of oiled-plate method are inconsistent, and the side wall of the fixed ring and the side wall of bearing inner race are inconsistent.
By using above-mentioned technical proposal, due to the effect of centrifugal force, extra lubricating oil can be at a certain angle in bearing
It is thrown out of out of bearing, the side wall of fixed ring and bearing inner race is inconsistent, lubrication that can be in maximum degree to throwing away
Oil is stopped that further increase the cleannes of enclosure interior environment, and the setting of mounting groove and baffle ring then effectively increases
The stability of fixed ring.
The utility model is further arranged to：The shaft is arranged with the axial plane oil sealing abutted against with outer end cap side wall, institute
State the outside that axial plane oil sealing is located at outer end cap.
It effectively prevent lubricating oil to go to outside motor by the setting of axial plane oil sealing by using above-mentioned technical proposal, ensures
The cleannes of working environment.
The utility model is further arranged to：The outside circumferential direction of the outer end cap offers recessing groove, the axial plane oil sealing
In recessing groove, the slot bottom of the axial plane oil sealing and recessing groove is inconsistent.
Influence of the extraneous factor to axial plane oil sealing is reduced by the setting of recessing groove by using above-mentioned technical proposal,
Improve the stability of axial plane oil sealing.
The utility model is further arranged to：The both ends of the shaft are both provided with bearing, close to the shaft front end
Bearing is set as roller bearing, and the bearing close to the shaft rear end is set as ball bearing.
By using above-mentioned technical proposal, the ability for bearing radial load of ball bearing is not so good as roller bearing, but position compared with
Roller bearing is more accurate.Since shaft front end is main force side, roller bearing is mounted on shaft front end, to carry
Height bears the ability of radial load.It is not only held in position using roller bearing and ball bearing simultaneously but also ensures endurance.
In conclusion the utility model has the advantages that：
1. crossing the slot bottom of oil groove in being horizontally disposed with, there is certain retentivity to lubricating oil, with motor operation course
In vibration, realize the effect constantly refueled；Oil storage tank have certain storage capacity, bearing inner race by rotation from
Mental power function between can the lubricating oil in oil storage tank being thrown to the inner ring and outer ring of bearing, and then plays lubricating action, avoids
The oiling time too late, causes the abrasion of bearing to increase, and then improve the service life of bearing；
It 2. by getting rid of the setting of oiled-plate method, can prevent bearing from throwing away extra lubricating oil, improve motor cleaning inside degree,
Convenient for staff to the maintenance inside motor；
3. being not only held in position using roller bearing and ball bearing simultaneously but also ensureing endurance.
Description of the drawings
Fig. 1 is that schematic diagram cuts open in the office of embodiment；
Fig. 2 is a-quadrant enlarged drawing in Fig. 1；
Fig. 3 is B area enlarged drawing in Fig. 2.
Reference sign：1, shell；2, outer end cap；3, shaft；4, locating ring；5, bearing；6, oil filler point；7, lubricating cup；
8, oil-through hole；9, oil groove is crossed；10, inner end cap；11, lower oil groove；12, convex block；13, oil storage tank；14, fixed ring；15, oiled-plate method is got rid of；
16, mounting groove；17, baffle ring；18, axial plane oil sealing；19, recessing groove.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
A kind of fire-proof motor, as shown in Figure 1, the shell 1 including being provided at both ends with opening.The outside of 1 end of shell is fixed
It is connected with outer end cap 2, outer end cap 2 is axial to be equipped with shaft 3.The side axial restraint of outer end cap 2 towards shell 1 is connected with positioning
Ring 4, the interior interference fit of locating ring 4 have bearing 5, and inner ring and the shaft 3 of the bearing 5 are interference fitted.
As shown in Fig. 2, the top of outer end cap 2 is offered in the oil filler point 6 being vertically arranged, 2 top of outer end cap is in oil filler point 6
Opening be fixedly connected with lubricating cup 7, the inner wall of outer end cap 2 offers the oil-through hole 8 being connected with oil filler point 6.Locating ring 4
Top offers the oil groove 9 excessively being connected with oil-through hole 8, this crosses slot bottom of oil groove 9 in horizontally disposed.
Inner end cap 10 is fixedly connected on the inside of 1 end of shell, shaft 3 is axial to be arranged in the inner end cap 10.Inner end cap 10
Lower oil groove 11 is offered towards the side of bearing 5, the lower oil groove 11 and oil groove 9 and bearing 5 excessively are homogeneous intercommunicated.Inner end cap 10
The slot bottom of lower oil groove 11 be connected with convex block 12, the inner ring side wall of the convex block 12 and bearing 5 abuts against, and convex block 12 is towards axis
The side for holding 5 inner rings offers the oil storage tank 13 being connected with lower oil groove 11.
3 fixing sleeve of shaft is connected to fixed ring 14, which is located at the other side of bearing 5 relative to inner end cap 10, Gu
The side wall for determining ring 14 is connected with and annular in shape gets rid of oiled-plate method 15.
Preferably, shaft 3 is radial offers mounting groove 16, and baffle ring 17 is fixedly connected in the mounting groove 16.Wherein, it keeps off
The side wall of circle 17 and the side wall for getting rid of oiled-plate method 15 are inconsistent, and the side wall of the side wall and 5 inner ring of bearing of fixed ring 14 is inconsistent.
Shaft 3 goes back fixing sleeve and is connected to the axial plane oil sealing 18 abutted against with 2 side wall of outer end cap, and axial plane oil sealing 18 is located at outer end cap
2 outside.Wherein, the outside commutation of outer end cap 2 offers recessing groove 19, and axial plane oil sealing 18 is located in recessing groove 19, the axial plane
Oil sealing 18 and the slot bottom of recessing groove 19 are inconsistent.
In conjunction with Fig. 2, Fig. 3, the both ends of shaft 3 are both provided with bearing 5, and the bearing 5 close to 3 front end of shaft is set as Roller Shaft
It holds, the bearing 5 close to 3 rear end of shaft is set as ball bearing.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel design concept, any modification, equivalent replacement, improvement and so on should be included in the protection of the utility model
Within the scope of.
Claims (6)
1. a kind of flame-proof electric motor includes the shell (1) of both ends setting opening, is provided on the outside of shell (1) end outer
End cap (2), the outer end cap (2) are axially equipped with shaft (3), and the outer end cap (2) is axially arranged towards the side of shell (1)
There is locating ring (4), being interference fitted in the locating ring (4) has bearing (5), inner ring and shaft (3) interference of the bearing (5) to match
It closes, it is characterised in that：The top of the outer end cap (2) is offered in the oil filler point (6) being vertically arranged, outer end cap (2) top
The opening in oil filler point (6) is held to be provided with lubricating cup (7), the inner wall of the outer end cap (2) is offered to be connected with oil filler point (6)
Oil-through hole (8), the top of the locating ring (4) offer be connected with oil-through hole (8) cross oil groove (9), it is described cross oil groove
(9) slot bottom is provided with inner end cap (10), inner end cap (10) direction in being horizontally disposed on the inside of shell (1) end
The side of bearing (5) offers lower oil groove (11), and the lower oil groove (11) is connected with oil groove (9) and bearing (5) excessively, described
Inner end cap (10) is provided with the convex block (12) abutted against with bearing (5) inner ring, the convex block (12) in the slot bottom of lower oil groove (11)
Oil storage tank (13) is offered towards the side of bearing (5).
2. a kind of flame-proof electric motor according to claim 1, it is characterised in that：The shaft (3) is arranged with fixed ring
(14), the fixed ring (14) is located at the other side of bearing (5), the side wall ring of the fixed ring (14) relative to inner end cap (10)
Oiled-plate method (15) is got rid of to being provided with.
3. a kind of flame-proof electric motor according to claim 2, it is characterised in that：The shaft (3) radially offers installation
Slot (16), the mounting groove (16) is interior to be provided with baffle ring (17), the side wall of the baffle ring (17) and the side wall phase for getting rid of oiled-plate method (15)
It contradicts, the side wall of the side wall and bearing (5) inner ring of the fixed ring (14) is inconsistent.
4. a kind of flame-proof electric motor according to claim 1, it is characterised in that：The shaft (3) is arranged with and outer end cap
(2) the axial plane oil sealing (18) that side wall abuts against, the axial plane oil sealing (18) are located at the outside of outer end cap (2).
5. a kind of flame-proof electric motor according to claim 4, it is characterised in that：The outside circumferential direction of the outer end cap (2) is opened
Equipped with recessing groove (19), the axial plane oil sealing (18) is located in recessing groove (19), the axial plane oil sealing (18) and recessing groove (19)
Slot bottom it is inconsistent.
6. according to a kind of flame-proof electric motor described in claim 1-5 any one, it is characterised in that：The two of the shaft (3)
End is both provided with bearing (5), and the bearing (5) close to the shaft (3) front end is set as roller bearing, close to the shaft (3)
The bearing (5) of rear end is set as ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820062875.8U CN207910587U (en) | 2018-01-15 | 2018-01-15 | A kind of flame-proof electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820062875.8U CN207910587U (en) | 2018-01-15 | 2018-01-15 | A kind of flame-proof electric motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207910587U true CN207910587U (en) | 2018-09-25 |
Family
ID=63567527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820062875.8U Active CN207910587U (en) | 2018-01-15 | 2018-01-15 | A kind of flame-proof electric motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207910587U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109412319A (en) * | 2018-12-21 | 2019-03-01 | 卧龙电气南阳防爆集团股份有限公司 | The fast heavy-duty motor of a kind of low noise, cooling |
| CN109617275A (en) * | 2018-12-15 | 2019-04-12 | 宁波中大力德智能传动股份有限公司 | A kind of brshless DC motor |
-
2018
- 2018-01-15 CN CN201820062875.8U patent/CN207910587U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109617275A (en) * | 2018-12-15 | 2019-04-12 | 宁波中大力德智能传动股份有限公司 | A kind of brshless DC motor |
| CN109617275B (en) * | 2018-12-15 | 2020-08-11 | 宁波中大力德智能传动股份有限公司 | Brushless DC motor |
| CN109412319A (en) * | 2018-12-21 | 2019-03-01 | 卧龙电气南阳防爆集团股份有限公司 | The fast heavy-duty motor of a kind of low noise, cooling |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207910587U (en) | A kind of flame-proof electric motor | |
| CN106100230B (en) | Light-weight electric bicycle wheel hub motor | |
| CN107406134A (en) | Swimming and diving servicing unit | |
| CN207117372U (en) | A kind of vertical axis slow-speed of revolution magnetic suspension multistage generator | |
| CN202889046U (en) | Waterproof structure of external rotor electric machine | |
| CN209622447U (en) | A kind of watt A seating thin oil vibration generator | |
| CN109478819B (en) | Fan motor and vehicle comprising same | |
| JP2014092216A (en) | Driving device | |
| CN215772839U (en) | High-rotation-speed motor rotor structure for new energy automobile | |
| CN203562881U (en) | Secondary-transmission brushless motor assembly | |
| CN206397784U (en) | A kind of radiator fan of dust-proof leak-proof | |
| CN212751985U (en) | Miniature water flow generator | |
| CN106357052A (en) | Air cooling structure of magnetic suspension motor | |
| CN202889002U (en) | External rotor electric machine | |
| CN110224518A (en) | A kind of fan motor and centrifugal blower | |
| CN207719938U (en) | The mounting structure of anticollision ring in a kind of magnetic suspension motor rotor | |
| CN204578268U (en) | Brushless electric machine | |
| CN101521413A (en) | Internal bias hub motor | |
| CN202940665U (en) | Flow guide sleeve capable of reducing temperature of motor bearing | |
| KR200481468Y1 (en) | Wind power generator | |
| SE538971C2 (en) | Arrangement for distributing oil in an electric machine | |
| CN218940827U (en) | Motor assembly | |
| CN112664808B (en) | Oil-cooled motor bearing lubricating structure | |
| CN219779932U (en) | Motor connection structure for robot and robot | |
| CN201750279U (en) | Axial rotor limit structure of reduction starter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |