CN203967878U - A kind of dust-proof motor - Google Patents
A kind of dust-proof motor Download PDFInfo
- Publication number
- CN203967878U CN203967878U CN201420297592.3U CN201420297592U CN203967878U CN 203967878 U CN203967878 U CN 203967878U CN 201420297592 U CN201420297592 U CN 201420297592U CN 203967878 U CN203967878 U CN 203967878U
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- sealing
- dust
- wall
- end cap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Motor Or Generator Frames (AREA)
Abstract
A kind of dust-proof motor, belongs to technical field of motors, comprises rotating shaft and electric motor end cap, and described rotating shaft is rotationally connected by bearing and electric motor end cap, and described electric motor end cap outside offers the first cavity, and middle part offers the second cavity; In described the first cavity, be provided with axial plane oil sealing; Described axial plane oil-sealing sleeve is located at rotating shaft; Described axial plane oil sealing comprises interior ring and outer shroud; Described interior ring and rotating shaft interference fit; Described interior ring is provided with the groove of circumferential setting; Described outer shroud is embedded at groove; In described the second cavity, be provided with outside framework oil seal; Described outside framework oil seal is sheathed on rotating shaft; Described outside framework oil seal comprises the dust excluder lips, waist, sealing lip and the bizet that are wholely set.By the combination of this two seals, make this motor meet the requirement of IP65 comprehensively.And the processing of total and matching requirements are not high, not high to the play requirement of axle yet, there is good practicality.
Description
Technical field
The utility model belongs to technical field of motors, is particularly related to a kind of dust-proof motor.
Background technology
In industries such as chemical industry, metallurgy and collieries, the environment that motor often fills the air in dust, therefore, and the dust-proof effect particular importance of motor, dustproof not good motor strain is serious, and the life-span is short.
Accompanying drawing 5 is the structure of traditional dust-proof motor, comprises electric motor end cap and labyrinth ring.Labyrinth ring is sheathed on rotating shaft and is positioned at electric motor end cap outside.Between labyrinth ring and electric motor end cap, in the gap axially with 0.5mm, in the gap radially with 0.2mm, form a mazy passage, thereby make dust be difficult to enter motor along clearance channel, play dustproof effect.But this structure has following deficiency: 1. the concave ring structure processing difficulties of alternative expression, component costs is high; 2. parts matching requirements are high, particularly for small machine when axially without location, end play is difficult to obtain and ensures; 3. parts precision is high, and motor is in when work, and labyrinth ring easily rubs mutually with electric motor end cap, thereby component wear affects dust-proof effect.
Therefore, be necessary to design a kind of new-type dust-proof motor.
Utility model content
The purpose of this utility model is to overcome the above-mentioned defect of mentioning and deficiency, and a kind of dust-proof motor is provided.
The technical scheme that the utility model is realized its object employing is as follows.
A kind of dust-proof motor, comprises rotating shaft and electric motor end cap, and described rotating shaft is rotationally connected by bearing and electric motor end cap, and described electric motor end cap outside offers the first cavity, and middle part offers the second cavity; In described the first cavity, be provided with axial plane oil sealing; Described axial plane oil-sealing sleeve is located at rotating shaft; Described axial plane oil sealing comprises interior ring and outer shroud; Described interior ring and rotating shaft interference fit; Described interior ring is provided with the groove of circumferential setting; Described outer shroud is embedded at groove; In described the second cavity, be provided with outside framework oil seal; Described outside framework oil seal is sheathed on rotating shaft; Described outside framework oil seal comprises the dust excluder lips, waist, sealing lip and the bizet that are wholely set; Described sealing lip and rotating shaft interference fit; Described bizet is positioned at sealing lip inner side; Described waist is positioned at sealing lip outside; Described dust excluder lips is positioned at waist outside and the rotating shaft that reclines.
Described interior ring comprises the buckle wall, inwall, sidewall, outer wall and the sealed wall that are wholely set; Described inwall and rotating shaft interference arrange; Described buckle wall is positioned at the inner side of inwall and the radial distribution along rotating shaft; Described sidewall is positioned at the outside of inwall and the radial distribution along rotating shaft; Described outer wall is positioned at the inner side of sidewall and the axial distribution along rotating shaft; Described buckle wall, inwall, sidewall and outer wall are enclosed to form groove; The outer of described outer wall extends to form sealed wall to tiltedly interior direction; Described sealed wall coordinates with electric motor end cap interval.
Described outer shroud comprises location division and sealing; Described location division is embedded at groove; Described location division is circular; The outer of described location division extends to form sealing to tiltedly interior direction; Described sealing and electric motor end cap touch.
Described waist inner side is provided with spring groove; In described spring groove, spring is installed; Described waist upper end is provided with shoulder; Described shoulder is provided with skeleton.
By adopting technique scheme, compared with prior art, the beneficial effects of the utility model are as follows: the utility model axially arranges respectively axial plane oil sealing and outside framework oil seal in rotating shaft, form 2 grades of labyrinth structures: utilize the revolving property of axial plane oil sealing, make motor under rotation status, meet dustproof effect; Utilize the stationary characteristic of skeleton bearing, make motor under static state meet dustproof effect.Therefore,, by the combination of this two seals, make this motor meet the requirement of IP65 comprehensively.And the processing of total and matching requirements are not high, not high to the play requirement of axle yet, there is good practicality.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is interior ring structure schematic diagram of the present utility model;
Fig. 3 is outer shroud structural representation of the present utility model;
Fig. 4 is outside framework oil seal structural representation of the present utility model;
Fig. 5 is the structural representation of traditional dust-proof motor;
In figure: rotating shaft 100, axial plane oil sealing 200, interior ring 210, groove 211, buckle wall 212, inwall 213, sidewall 214, outer wall 215, sealed wall 216, outer shroud 220, location division 221, sealing 222, outside framework oil seal 300, dust excluder lips 301, bizet 302, spring groove 303, spring 304, waist 305, sealing lip 306, shoulder 307, skeleton 308, bearing 400, labyrinth ring 500, electric motor end cap 600, the first cavity 610, the second cavity 620.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
A kind of dust-proof motor, comprises rotating shaft 100 and electric motor end cap 600, and described rotating shaft 100 is rotationally connected by bearing 400 and electric motor end cap 600.Described electric motor end cap 600 outsides offer the first cavity 610, and middle part offers the second cavity 620; In described the first cavity 610, be provided with axial plane oil sealing 200; Described axial plane oil sealing 200 is sheathed on rotating shaft 100; Described axial plane oil sealing 200 comprises interior ring 210 and outer shroud 220; Described interior ring 210 and rotating shaft 100 interference fit; Described interior ring 210 is provided with the groove 211 of circumferential setting; Described outer shroud 220 is embedded at groove 211; In described the second cavity 620, be provided with outside framework oil seal 300; Described outside framework oil seal 300 is sheathed on rotating shaft 100; Described outside framework oil seal 300 comprises the dust excluder lips 301, waist 305, sealing lip 306 and the bizet 302 that are wholely set; Described sealing lip 306 and rotating shaft 100 interference fit.Sealing lip 306 plays the effect that seals the medium leaking along rotating shaft 100.Described bizet 302 is positioned at sealing lip 306 inner sides; Described waist 305 is positioned at sealing lip 306 outsides; Described dust excluder lips 301 is positioned at waist 305 outsides and the rotating shaft 100 that reclines.Dust excluder lips 301 is in order to intercept extraneous dust and cigarette ash.
The utility model axially arranges respectively axial plane oil sealing 200 and outside framework oil seal 300 in rotating shaft 100, forms 2 grades of labyrinth structures: utilize the revolving property of axial plane oil sealing 200, make motor under rotation status, meet dustproof effect; Utilize the stationary characteristic of skeleton bearing 400, make motor under static state meet dustproof effect.Therefore,, by the combination of this two seals, make this motor meet the requirement of IP65 comprehensively.And the processing of total and matching requirements are not high, not high to the play requirement of axle yet, there is good practicality.
Described interior ring 210 comprises the buckle wall 212, inwall 213, sidewall 214, outer wall 215 and the sealed wall 216 that are wholely set; Described inwall 213 and rotating shaft 100 interference settings; Described buckle wall 212 is positioned at the inner side of inwall 213 and the radial distribution along rotating shaft 100; Described sidewall 214 is positioned at the outside of inwall 213 and the radial distribution along rotating shaft 100; Described outer wall 215 is positioned at the inner side of sidewall 214 and the axial distribution along rotating shaft 100; Described buckle wall 212, inwall 213, sidewall 214 and outer wall 215 are enclosed to form groove 211; The outer of described outer wall 215 extends to form sealed wall 216 to tiltedly interior direction; Described sealed wall 216 coordinates with electric motor end cap 600 intervals.
Interior ring 210 can effectively anti-sealing and dust enter motor by rotating shaft 100.
Described outer shroud 220 comprises location division 221 and sealing 222; Described location division 221 is embedded at groove 211; Described location division 221 is circular; The outer of described location division 221 extends to form sealing 222 to tiltedly interior direction; Described sealing 222 touches with electric motor end cap 600.
Outer shroud 220 can keep off most water and dust outside motor.
Groove 211 structures of this axial plane oil sealing 200, have strengthened the position-limiting action for outer shroud 220, avoid motor to issue in the situation of High Rotation Speed the situation that raw rubber circle throws away.And groove 211 forms the mechanism of channel-section steel formula, strengthen the rigidity of interior ring 210, solve the problem that arch sticks up.
Described waist 305 inner sides are provided with spring groove 303; In described spring groove 303, spring 304 is installed; Described waist 305 upper ends are provided with shoulder 307.Described waist 305 is in order to connect bizet 302, sealing lip 306, spring groove 303, dust excluder lips 301 and shoulder 307.Described spring 304, in order to apply pretightning force to sealing lip 306, prevents that it from coming off.Described shoulder 307 is provided with skeleton 308.Described skeleton 308 is in order to increase shoulder 307 intensity.
Shoulder 307 and the electric motor end cap 600 of outside framework oil seal 300 are combined closely, and sealing lip 306 is held tightly with rotating shaft 100, thereby effectively prevents that liquid and dust from entering motor.
The utility model is illustrated according to embodiment, is not departing under the prerequisite of present principles, and this device can also be made some distortion and improvement.It should be pointed out that all employings are equal to the technical scheme that the modes such as replacement or equivalent transformation obtain, and all drop in protection range of the present utility model.
Claims (4)
1. a dust-proof motor, comprise rotating shaft (100) and electric motor end cap (600), described rotating shaft (100) is rotationally connected by bearing (400) and electric motor end cap (600), it is characterized in that, described electric motor end cap (600) outside offers the first cavity (610), and middle part offers the second cavity (620); In described the first cavity (610), be provided with axial plane oil sealing (200); Described axial plane oil sealing (200) is sheathed on rotating shaft (100); Described axial plane oil sealing (200) comprises interior ring (210) and outer shroud (220); Described interior ring (210) and rotating shaft (100) interference fit; Described interior ring (210) is provided with the groove (211) of circumferential setting; Described outer shroud (220) is embedded at groove (211); In described the second cavity (620), be provided with outside framework oil seal (300); Described outside framework oil seal (300) is sheathed on rotating shaft (100); Described outside framework oil seal (300) comprises the dust excluder lips (301), waist (305), sealing lip (306) and the bizet (302) that are wholely set; Described sealing lip (306) and rotating shaft (100) interference fit; Described bizet (302) is positioned at sealing lip (306) inner side; Described waist (305) is positioned at sealing lip (306) outside; Described dust excluder lips (301) is positioned at waist (305) outside and the rotating shaft that reclines (100).
2. a kind of dust-proof motor as claimed in claim 1, is characterized in that, described interior ring (210) comprises the buckle wall (212), inwall (213), sidewall (214), outer wall (215) and the sealed wall (216) that are wholely set; Described inwall (213) and rotating shaft (100) interference setting; Described buckle wall (212) is positioned at the inner side of inwall (213) and the radial distribution along rotating shaft (100); Described sidewall (214) is positioned at the outside of inwall (213) and the radial distribution along rotating shaft (100); Described outer wall (215) is positioned at the inner side of sidewall (214) and the axial distribution along rotating shaft (100); Described buckle wall (212), inwall (213), sidewall (214) and outer wall (215) are enclosed to form groove (211); The outer of described outer wall (215) extends to form sealed wall (216) to tiltedly interior direction; Described sealed wall (216) coordinates with electric motor end cap (600) interval.
3. a kind of dust-proof motor as claimed in claim 2, is characterized in that, described outer shroud (220) comprises location division (221) and sealing (222); Described location division (221) is embedded at groove (211); Described location division (221) is circular; The outer of described location division (221) extends to form sealing (222) to tiltedly interior direction; Described sealing (222) touches with electric motor end cap (600).
4. a kind of dust-proof motor as claimed in claim 1, is characterized in that, described waist (305) inner side is provided with spring groove (303); Spring (304) is installed in described spring groove (303); Described waist (305) upper end is provided with shoulder (307); Described shoulder (307) is provided with skeleton (308).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420297592.3U CN203967878U (en) | 2014-06-06 | 2014-06-06 | A kind of dust-proof motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420297592.3U CN203967878U (en) | 2014-06-06 | 2014-06-06 | A kind of dust-proof motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203967878U true CN203967878U (en) | 2014-11-26 |
Family
ID=51928422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420297592.3U Expired - Fee Related CN203967878U (en) | 2014-06-06 | 2014-06-06 | A kind of dust-proof motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203967878U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240532A (en) * | 2015-11-16 | 2016-01-13 | 温岭市九洲电机制造有限公司 | Oil seal structure |
| CN106026483A (en) * | 2016-08-01 | 2016-10-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Vehicle, driving system and motor thereof |
| CN107181345A (en) * | 2017-07-14 | 2017-09-19 | 新乡市通用电机有限公司 | Vertical vibrating motor bearing double sealing structure |
| CN107863834A (en) * | 2016-09-21 | 2018-03-30 | 天佑电器（苏州）有限公司 | The packing installing mechanism of motor in middle-size and small-size electrical equipment |
| CN110707855A (en) * | 2019-10-14 | 2020-01-17 | 合肥凯邦电机有限公司 | Motor sealing ring structure and motor with same |
-
2014
- 2014-06-06 CN CN201420297592.3U patent/CN203967878U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240532A (en) * | 2015-11-16 | 2016-01-13 | 温岭市九洲电机制造有限公司 | Oil seal structure |
| CN105240532B (en) * | 2015-11-16 | 2017-12-01 | 温岭市九洲电机制造有限公司 | A kind of oil enveloping structure |
| CN106026483A (en) * | 2016-08-01 | 2016-10-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Vehicle, driving system and motor thereof |
| CN107863834A (en) * | 2016-09-21 | 2018-03-30 | 天佑电器（苏州）有限公司 | The packing installing mechanism of motor in middle-size and small-size electrical equipment |
| CN107863836A (en) * | 2016-09-21 | 2018-03-30 | 天佑电器（苏州）有限公司 | The packing installing mechanism of motor in middle-size and small-size electrical equipment |
| CN107863836B (en) * | 2016-09-21 | 2020-07-03 | 天佑电器（苏州）有限公司 | Motor packing installation mechanism in medium and small-sized electrical appliances |
| CN107863834B (en) * | 2016-09-21 | 2020-08-21 | 天佑电器（苏州）有限公司 | Motor packing installation mechanism in medium and small-sized electrical appliances |
| CN107181345A (en) * | 2017-07-14 | 2017-09-19 | 新乡市通用电机有限公司 | Vertical vibrating motor bearing double sealing structure |
| CN110707855A (en) * | 2019-10-14 | 2020-01-17 | 合肥凯邦电机有限公司 | Motor sealing ring structure and motor with same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203967878U (en) | A kind of dust-proof motor | |
| CN102537030A (en) | Sealed rolling bearing for falling-sand roller supporting-wheel device | |
| CN203883590U (en) | Shaft double-seal structure for motor | |
| CN204213348U (en) | The two-way consistent seal structure of a kind of axle head | |
| CN202883746U (en) | Bearing lubricant sealing structure | |
| CN203979131U (en) | A kind of novel bearing | |
| CN201118320Y (en) | Bearing sealing structure for middle-type vertical DC electromotor | |
| CN203413103U (en) | Dustproof ring on shell of car main speed reducer | |
| CN205081613U (en) | A antifriction bearing seal structure for motor | |
| CN204358099U (en) | Electric main shaft of digital control machine tool High Rotation Speed black box | |
| CN102996651A (en) | Three-lip sealed bearing with protective ring | |
| CN203162151U (en) | Temperature-resistant and wear-resistant sealing ring | |
| CN204921053U (en) | When double -deck comb tooth in clearance of obturaging structure of obturaging | |
| CN204477051U (en) | A kind of band oil thrower wheel piece bearing | |
| MX2022002163A (en) | Seal assembly with labyrinth channel. | |
| CN204253627U (en) | Waterproof type high-speed precision bearing | |
| CN203522390U (en) | Labyrinth sealing structure for high-speed motor shaft | |
| CN204253601U (en) | The hub-bearing unit of the two raceway of a kind of flange plate | |
| CN203507958U (en) | Biomass granulator compression roller assembly | |
| CN206682268U (en) | A kind of reductor sealing structure | |
| CN202125615U (en) | Reed-free framework type oil seal | |
| CN102619987A (en) | Bearing sealing device | |
| CN202210727U (en) | Three-phase induction horizontal motor | |
| CN203796759U (en) | Bearing seal ring | |
| CN104896098A (en) | Sealing structure for rotating part |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20170606 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |