CN201774348U - Adjustable shaft seal structure of electric motor - Google Patents
Adjustable shaft seal structure of electric motor Download PDFInfo
- Publication number
- CN201774348U CN201774348U CN2010202405103U CN201020240510U CN201774348U CN 201774348 U CN201774348 U CN 201774348U CN 2010202405103 U CN2010202405103 U CN 2010202405103U CN 201020240510 U CN201020240510 U CN 201020240510U CN 201774348 U CN201774348 U CN 201774348U
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- Prior art keywords
- shaft seal
- adjustable
- bearing
- oil sealing
- sealing cap
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- Expired - Fee Related
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Abstract
The utility model discloses an adjustable shaft seal structure of an electric motor. The structure comprises a radial shaft seal which is arranged at the left side of a bearing and a radial shaft seal which is arranged at the right side of the bearing, wherein the radial shaft seal which is arranged at the left side of the bearing is in an adjustable shaft seal structure, and the radial shaft seal comprises an external oil seal cover which is in clearance fit with an output shaft, an adjustable ring plate and an adjustable screw; the adjustable ring plate is arranged between the external oil seal cover and the baring, and the axial depth of the adjustable ring plate is less than the axial distance between the external oil seal cover and the bearing; and a plurality of felt rings are embedded in the external oil seal cover and a radial concave ring groove which is opposite to an inner hole of the adjustable ring plate, and the axial depth size of each felt ring under the free status is larger than the axial distance between the external oil seal cover and the radial concave ring groove which is opposite to the inner hole of the adjustable ring plate. As for the adjustable shaft seal structure, the match between the felt rings and the output shaft can be timely adjusted to be under a preferable sealing and matching status, thereby being capable of guaranteeing the sealing performance for a long term.
Description
Technical field
The utility model relates to a kind of shaft seal structure, particularly a kind of shaft seal structure of motor output shaft end.
Background technology
The axle envelope of motor output shaft end is the important component that the protection bearing moves under lubricating condition.The axle envelope of commercially available motor is a kind of radial shaft seal structure, and this shaft seal structure is sealed and matched with static oil sealing cap endoporus middle concave annular groove setting-in felt circle and motor output shaft and forms.The radial shaft seal of prior art is simple in structure, and it is excessive and stop that extraneous dust enters the effect of bearing to play the restriction lubricant grease effectively.But, the sealing property of radial shaft seal depends on felt circle and motor output shaft mated condition, its sealing property just descends in case the felt circle weares and teares, grease for bearing lubrication easily leaks out from the gap after being heated, the loss of lubricant grease will worsen the service conditions of bearing, the wearing and tearing of aggravation bearing, the useful life of reducing motor.
Summary of the invention
The utility model provides a kind of simple in structure, easy to manufacture at the deficiencies in the prior art, can guarantee the adjustable electric arbor seal structure of sealing property for a long time.
The utility model is achieved through the following technical solutions technical goal.
Adjustable electric arbor seal structure, it comprises the radial shaft seal in bearing left side and the radial shaft seal on right side; The radial shaft seal on described bearing right side is by constituting with the interior oil sealing cap of motor output shaft matched in clearance, the interior oil sealing cap internal orifice dimension felt circle of setting-in in the spill annular groove, the radial shaft seal in bearing left side is by constituting with the outer oil sealing cap of motor output shaft matched in clearance, the outer oil sealing cap internal orifice dimension felt circle of setting-in in the spill annular groove, its improvements are: the radial shaft seal in described bearing left side is adjustable shaft seal structure, and it comprises adjustable ring flat-plate, the adjustment screw that cooperates with output shaft clearance; Described adjustable ring flat-plate is arranged between outer oil sealing cap and the bearing, and its axial width is less than axial distance between outer oil sealing cap and the bearing; Described felt circle is inlaid in the outer oil sealing cap radially spill annular groove relative with adjustable ring flat-plate endoporus, and the axial width size under the felt circle free state is greater than the axial distance between the outer oil sealing cap radially spill annular groove relative with adjustable ring flat-plate endoporus; Between described outer oil sealing cap and the adjustable ring flat-plate elastic washer is set.
In the said structure, clockwise rotate the adjustment screw, adjustable ring flat-plate axially is moved to the left, and tightens up cooperating of felt circle and output shaft.
The utility model compared with prior art has following good effect:
1. simple in structure, easy to manufacture, easy to adjust;
2. adopt adjustable shaft seal structure, felt circle and cooperating of output shaft can be adjusted to the better seal mated condition at any time, can guarantee sealing property for a long time.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and in conjunction with the embodiments below.
Adjustable electric arbor seal structure shown in the drawings, it comprises the radial shaft seal in bearing 7 left sides and the radial shaft seal on right side; The radial shaft seal on described bearing 7 right sides is by constituting with the interior oil sealing cap 9 of motor output shaft 4 matched in clearance, the interior oil sealing cap 9 internal orifice dimensions felt circle 10 of setting-in in the spill annular groove; The radial shaft seal in described bearing 7 left sides is adjustable shaft seal structure, it comprises outer oil sealing cap 1, adjustable ring flat-plate 3, adjustment screw 6 with output shaft 4 matched in clearance, outer oil sealing cap 1 is located by connecting with End cover for motor 8, adjustable ring flat-plate 3 is arranged between outer oil sealing cap 1 and the bearing 7, and its axial width is less than axial distance between outer oil sealing cap 1 and the bearing 7; Described felt circle 5 is inlaid in the outer oil sealing cap 1 radially spill annular groove relative with adjustable ring flat-plate 3 endoporus, and the axial width size under felt circle 5 free states is greater than outer oil sealing cap 1 radially axial distance spill annular groove between relative with adjustable ring flat-plate 3 endoporus; Between described outer oil sealing cap 1 and the adjustable ring flat-plate 3 elastic washer 2 is set.
The radial shaft seal in the utility model middle (center) bearing 7 left sides and the radial shaft seal on right side all play sealing function.For the radial shaft seal on bearing 7 right sides, the felt circle 10 of interior oil sealing cap 9 internal orifice dimensions setting-in in the spill annular groove cooperates formation radial seal structure performance sealing function with motor output shaft 4; Adjustable shaft seal structure for bearing 7 left sides, when 5 wearing and tearing of felt circle, when felt circle 5 is loose with cooperating of output shaft 4, regulate and adjust screw 6, outer oil sealing cap 1 radially axial distance spill annular groove between relative with adjustable ring flat-plate 3 endoporus dwindled, tighten up cooperating of felt circle 5 and output shaft 4, can guarantee sealing property.
Claims (1)
1. adjustable electric arbor seal structure, it comprises the radial shaft seal in bearing (7) left side and the radial shaft seal on right side; The radial shaft seal on described bearing (7) right side by with the interior oil sealing cap (9) of motor output shaft (4) matched in clearance, the felt circle (10) of interior oil sealing cap (9) internal orifice dimension setting-in in the spill annular groove constitutes, the radial shaft seal in bearing (7) left side by with the outer oil sealing cap (1) of motor output shaft (4) matched in clearance, the felt circle (5) of outer oil sealing cap (1) internal orifice dimension setting-in in the spill annular groove constitutes, it is characterized in that: the radial shaft seal in described bearing (7) left side is adjustable shaft seal structure, and it comprises the adjustable ring flat-plate (3) with output shaft (4) matched in clearance, adjust screw (6); Described adjustable ring flat-plate (3) is arranged between outer oil sealing cap (1) and the bearing (7), and its axial width is less than axial distance between outer oil sealing cap (1) and the bearing (7); Described felt circle (5) is inlaid in outer oil sealing cap (1) the radially spill annular groove relative with adjustable ring flat-plate (3) endoporus, and the axial width size under felt circle (5) free state is greater than the axial distance between outer oil sealing cap (1) the radially spill annular groove relative with adjustable ring flat-plate (3) endoporus; Between described outer oil sealing cap (1) and the adjustable ring flat-plate (3) elastic washer (2) is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202405103U CN201774348U (en) | 2010-06-29 | 2010-06-29 | Adjustable shaft seal structure of electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202405103U CN201774348U (en) | 2010-06-29 | 2010-06-29 | Adjustable shaft seal structure of electric motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201774348U true CN201774348U (en) | 2011-03-23 |
Family
ID=43754185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202405103U Expired - Fee Related CN201774348U (en) | 2010-06-29 | 2010-06-29 | Adjustable shaft seal structure of electric motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201774348U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104702036A (en) * | 2015-01-29 | 2015-06-10 | 周正英 | Sealed sand grinder |
| CN106411021A (en) * | 2016-10-08 | 2017-02-15 | 上海川也电机有限公司 | Sealing device for motor lubricating oil way |
| CN109099160A (en) * | 2018-09-28 | 2018-12-28 | 云南华联锌铟股份有限公司 | A kind of overflowball mill charging cone tongue sealing device |
-
2010
- 2010-06-29 CN CN2010202405103U patent/CN201774348U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104702036A (en) * | 2015-01-29 | 2015-06-10 | 周正英 | Sealed sand grinder |
| CN104702036B (en) * | 2015-01-29 | 2017-04-12 | 青岛金合金数控板金有限公司 | Sealed sand grinder |
| CN106411021A (en) * | 2016-10-08 | 2017-02-15 | 上海川也电机有限公司 | Sealing device for motor lubricating oil way |
| CN109099160A (en) * | 2018-09-28 | 2018-12-28 | 云南华联锌铟股份有限公司 | A kind of overflowball mill charging cone tongue sealing device |
| CN109099160B (en) * | 2018-09-28 | 2024-04-05 | 云南华联锌铟股份有限公司 | Feeding conical tongue sealing device of overflow ball mill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110323 Termination date: 20130629 |