CN201750256U - Low-power motor with output shaft sealing structure - Google Patents
Low-power motor with output shaft sealing structure Download PDFInfo
- Publication number
- CN201750256U CN201750256U CN2010205045364U CN201020504536U CN201750256U CN 201750256 U CN201750256 U CN 201750256U CN 2010205045364 U CN2010205045364 U CN 2010205045364U CN 201020504536 U CN201020504536 U CN 201020504536U CN 201750256 U CN201750256 U CN 201750256U
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- CN
- China
- Prior art keywords
- ring
- output shaft
- sealing
- low
- retainer 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a low-power motor with an output shaft sealing structure, which is characterized by convenient assembly. The low-power motor with the output shaft sealing structure comprises a shaft sleeve as well as a sealing ring and a retainer ring which are arranged in through holes inside the shaft sleeve, wherein a step surface is arranged inside the shaft sleeve, the sealing ring is pressed firmly between the step surface and the end face of the retainer ring, an annular slot is arranged inside the shaft sleeve and has the size adaptive to that of the retainer ring, and the retainer ring is matched inside the annular slot. The low-power motor with the output shaft sealing structure has the following advantages: the sealing ring is fixed by pressing the retainer ring into the inner through hole of the shaft sleeve and finally fixing the retainer ring inside the annular slot, thus being simple for assembly and simultaneously, and simultaneously effectively lowering the production and manufacture cost; and the sealing ring adopts double-lip sealing, can improve the sealing performance, and is particularly suitable for being popularized and applied in the output shaft sealing structures of rain wiper motors.
Description
Technical field
The utility model relates to a kind of hermetically-sealed construction, is specifically related to a kind of low-power machine with the output shaft hermetically-sealed construction.
Background technology
At present, low-power machine output shaft hermetically-sealed construction comprises axle sleeve, is provided with single lip seal circle and is used for single lip seal circle is fastened on back-up ring in the axle sleeve in axle sleeve.The shortcoming of its existence is: sealing ring generally adopts single lip structure, sealing deficiency; Adopt the method for dripping glue or ratio-frequency welding at back-up ring and axle sleeve fixedly the time, manufacturability is relatively poor, cost height and inconvenient operation.
The utility model content
Technical problem to be solved in the utility model provides a kind of low-power machine of the band output shaft hermetically-sealed construction of being convenient to assemble.
The technical scheme that its technical problem that solves the utility model adopts is: the low-power machine of band output shaft hermetically-sealed construction, comprise axle sleeve and be arranged on sealing ring and back-up ring in the axle sleeve inner via hole, in axle sleeve, be provided with step surface, sealing ring is pressed between the end face of step surface and back-up ring, be provided with in axle sleeve and the suitable cannelure of back-up ring size, back-up ring is engaged in the cannelure.
Further be that described sealing ring adopts the double-lip seal structure.
The beneficial effects of the utility model are: the fixed form of sealing ring is that the inner via hole of back-up ring from axle sleeve is pressed into, and is fixed at last in the cannelure and sealing ring is fixed, and this mode is assembled simply, also can effectively reduce production and cost of manufacture simultaneously; And sealing ring adopts the double-lip seal structure, can improve sealing property, is particluarly suitable for applying on the hermetically-sealed construction of rain shaving electrical machine output shaft.
Description of drawings
Fig. 1 is the structural representation of the utility model bottom bracket axle.
Fig. 2 is the structural representation behind fit on sealing ring and the back-up ring.
Be labeled as among the figure: axle sleeve 1, sealing ring 2, back-up ring 3, step surface 4, cannelure 5.
Embodiment
Below in conjunction with accompanying drawing and example the utility model is further specified.
As Fig. 1 and shown in Figure 2, the low-power machine of the band output shaft hermetically-sealed construction that the utility model is related, comprise axle sleeve 1 and be arranged on sealing ring 2 and back-up ring 3 in axle sleeve 1 inner via hole, in axle sleeve 1, be provided with step surface 4, sealing ring 2 is pressed between the end face of step surface 4 and back-up ring 3, be provided with in axle sleeve 1 and the suitable cannelure 5 of back-up ring 3 sizes, back-up ring 3 is engaged in the cannelure 5.When assembling, the inner via hole of back-up ring 3 from axle sleeve 1 is pressed into, be fixed at last in the cannelure 5, this moment, back-up ring can not come off, thereby effectively sealing ring 2 is pressed in the axle sleeve 1 owing to the effect of cannelure 5.This version is easy to assembly, need not to adopt the method for dripping glue or ratio-frequency welding that back-up ring 3 is fixing, manufactures cost thereby can effectively reduce.And the sealing effectiveness in order to play, described sealing ring 2 adopts the double-lip seal structure.
Claims (2)
1. be with the low-power machine of output shaft hermetically-sealed construction, comprise axle sleeve (1) and be arranged on sealing ring (2) and back-up ring (3) in axle sleeve (1) inner via hole, in axle sleeve (1), be provided with step surface (4), sealing ring (2) is pressed between the end face of step surface (4) and back-up ring (3), it is characterized in that: be provided with in axle sleeve (1) and the suitable cannelure (5) of back-up ring (3) size, back-up ring (3) is engaged in the cannelure (5).
2. the low-power machine of band output shaft hermetically-sealed construction as claimed in claim 1 is characterized in that: described sealing ring (2) adopts the double-lip seal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205045364U CN201750256U (en) | 2010-08-25 | 2010-08-25 | Low-power motor with output shaft sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205045364U CN201750256U (en) | 2010-08-25 | 2010-08-25 | Low-power motor with output shaft sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201750256U true CN201750256U (en) | 2011-02-16 |
Family
ID=43584928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205045364U Expired - Fee Related CN201750256U (en) | 2010-08-25 | 2010-08-25 | Low-power motor with output shaft sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201750256U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111668972A (en) * | 2019-03-05 | 2020-09-15 | 日本电产株式会社 | Brushless motor and electric product comprising same |
| CN113548012A (en) * | 2020-04-24 | 2021-10-26 | 株洲桓基电气股份有限公司 | Driving device of window wiper |
-
2010
- 2010-08-25 CN CN2010205045364U patent/CN201750256U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111668972A (en) * | 2019-03-05 | 2020-09-15 | 日本电产株式会社 | Brushless motor and electric product comprising same |
| CN111668972B (en) * | 2019-03-05 | 2023-08-22 | 日本电产株式会社 | Brushless motor and electric product comprising same |
| CN113548012A (en) * | 2020-04-24 | 2021-10-26 | 株洲桓基电气股份有限公司 | Driving device of window wiper |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110216 Termination date: 20170825 |