CN102025209A - Sealing structure for motor output shaft end - Google Patents
Sealing structure for motor output shaft end Download PDFInfo
- Publication number
- CN102025209A CN102025209A CN 201010254715 CN201010254715A CN102025209A CN 102025209 A CN102025209 A CN 102025209A CN 201010254715 CN201010254715 CN 201010254715 CN 201010254715 A CN201010254715 A CN 201010254715A CN 102025209 A CN102025209 A CN 102025209A
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- Prior art keywords
- output shaft
- motor
- sealed construction
- shaft end
- thread
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Abstract
The invention discloses a sealing structure for a motor output shaft end. The structure comprises a motor shell. A front end cover is arranged at the front end of the motor shell. A motor output shaft extends out of the front end cover. The output shaft of a front end cover ring is provided with a cylindrical projection. A sealing body is arranged between the inner wall of the projection and the output shaft. A thread is formed on the outer wall of the projection. The thread formed on the outer wall of the cylindrical projection at the output shaft of the front end cover ring is hermetically connected with the thread of a gearbox shell, and the sealing body is arranged between the inner wall of the projection and the output shaft. The structure is simple, and convenient to install, has more reliable sealing performance and prevents oil stain in a gearbox and other external impurities from entering the motor.
Description
Technical field
The present invention relates to a kind of Motor Shaft end hermetically-sealed construction.
Background technology
Motor is connected with gearbox, and at present motor output shaft all adopts oil enveloping structure, to prevent that greasy dirt and other outside foreign material enter motor in the gearbox.A kind of low noise motor is just disclosed on October 4th, 2006 as Chinese utility model patent 200520015282.9, be provided with stator and rotor in the casing, rear end at rotor is provided with damping sheet, front end at casing is provided with front end housing, on front end housing, be provided with outside framework oil seal and rotor bearing, be provided with rotor bearing in the rearward end of casing.China's utility model patent 02220028.2 discloses a kind of slowspeed machine on February 5th, 2003, it includes self-lubricating plain bearing, front end housing, back-up ring, oil sealing, output shaft, low-speed gear, aluminum casing, self-lubricating plain bearing is loaded in the front end housing, back-up ring is loaded on and plays the axial location effect on the output shaft, and oil sealing is loaded in the front end housing.But the employing oil enveloping structure makes structure seem complicated, and installs inconvenient.
Summary of the invention
Technical problem to be solved by this invention just provides Motor Shaft end hermetically-sealed construction a kind of simple in structure, easy for installation.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of Motor Shaft end hermetically-sealed construction, comprise electric machine casing, be provided with front end housing at the electric machine casing front end, motor output shaft stretches out front end housing, it is characterized in that: described front end bezel ring, output shaft is provided with the tubular protuberance, is provided with seal between described protuberance inwall and output shaft.
As preferably, described protuberance outer wall is provided with screw thread.Described screw thread is a taper pipe thread.Connect by taper pipe thread, seal more reliably, greasy dirt can't enter in the motor.
As preferably, described seal is an O-ring seals.
As improvement, the root of described protuberance is provided with the oil filler point that refuels to output shaft.Further improve sealing effectiveness.
The tubular protuberance outer wall that front end bezel ring, output shaft of the present invention is established is provided with screw thread and is connected with the gear box casing thread seal, and be provided with seal between protuberance inwall and output shaft, simple in structure, easy for installation, seal more reliably, prevent that greasy dirt and other outside foreign material enter motor in the gearbox.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is further described:
Fig. 1 is a structural representation of the present invention.
Embodiment
As shown in Figure 1, embodiment for a kind of Motor Shaft end of the present invention hermetically-sealed construction, comprise electric machine casing 1, be provided with front end housing 2 at the electric machine casing front end, motor output shaft 4 stretches out front end housing and stretches in the gear box casing 3, described front end bezel ring, output shaft is provided with tubular protuberance 5, and described protuberance 5 is provided with screw thread 6 and is connected with the gear box casing thread seal, is provided with seal between described protuberance inwall and output shaft.Described screw thread 6 is a taper pipe thread.Described screw thread 6 is a taper pipe thread.Described seal is an O-ring seals 7.The root of described protuberance 5 is provided with the oil filler point 8 that refuels to output shaft.
Claims (5)
1. Motor Shaft end hermetically-sealed construction, comprise electric machine casing (1), be provided with front end housing (2) at the electric machine casing front end, motor output shaft (4) stretches out front end housing, it is characterized in that: described front end housing (2) ring output shaft (4) is provided with tubular protuberance (5), is provided with seal between described protuberance inwall and output shaft.
2. a kind of Motor Shaft end hermetically-sealed construction according to claim 1, it is characterized in that: described protuberance outer wall is provided with screw thread (6).
3. a kind of Motor Shaft end hermetically-sealed construction according to claim 2 is characterized in that: described screw thread (6) is a taper pipe thread.
4. a kind of Motor Shaft end hermetically-sealed construction according to claim 1 is characterized in that: described seal is O-ring seals (7).
5. according to each described a kind of Motor Shaft end hermetically-sealed construction of claim 1 to 4, it is characterized in that: the root of described protuberance (5) is provided with the oil filler point (8) that refuels to output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010254715 CN102025209A (en) | 2010-08-12 | 2010-08-12 | Sealing structure for motor output shaft end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010254715 CN102025209A (en) | 2010-08-12 | 2010-08-12 | Sealing structure for motor output shaft end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102025209A true CN102025209A (en) | 2011-04-20 |
Family
ID=43866196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010254715 Pending CN102025209A (en) | 2010-08-12 | 2010-08-12 | Sealing structure for motor output shaft end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102025209A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1705197A (en) * | 2004-05-29 | 2005-12-07 | 盐城市力佳电机厂 | Dedicated motor coordinated with axial plunger oil pump |
| CN2824416Y (en) * | 2005-09-29 | 2006-10-04 | 许晓华 | Low noise motor |
| CN201118320Y (en) * | 2007-08-29 | 2008-09-17 | 上海电气集团上海电机厂有限公司 | Bearing sealing structure for middle-type vertical DC electromotor |
| CN201383726Y (en) * | 2009-03-06 | 2010-01-13 | 中山大洋电机股份有限公司 | Water-proof structure of motor |
| CN101764465A (en) * | 2008-12-25 | 2010-06-30 | 乐金电子(天津)电器有限公司 | Impeller and end cover structure for dust collector motor |
| CN201742207U (en) * | 2010-08-12 | 2011-02-09 | 许晓华 | Motor output shaft end sealing structure |
-
2010
- 2010-08-12 CN CN 201010254715 patent/CN102025209A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1705197A (en) * | 2004-05-29 | 2005-12-07 | 盐城市力佳电机厂 | Dedicated motor coordinated with axial plunger oil pump |
| CN2824416Y (en) * | 2005-09-29 | 2006-10-04 | 许晓华 | Low noise motor |
| CN201118320Y (en) * | 2007-08-29 | 2008-09-17 | 上海电气集团上海电机厂有限公司 | Bearing sealing structure for middle-type vertical DC electromotor |
| CN101764465A (en) * | 2008-12-25 | 2010-06-30 | 乐金电子(天津)电器有限公司 | Impeller and end cover structure for dust collector motor |
| CN201383726Y (en) * | 2009-03-06 | 2010-01-13 | 中山大洋电机股份有限公司 | Water-proof structure of motor |
| CN201742207U (en) * | 2010-08-12 | 2011-02-09 | 许晓华 | Motor output shaft end sealing structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110420 |