CN203933224U - A kind of combined sealing structure - Google Patents
A kind of combined sealing structure Download PDFInfo
- Publication number
- CN203933224U CN203933224U CN201420282441.0U CN201420282441U CN203933224U CN 203933224 U CN203933224 U CN 203933224U CN 201420282441 U CN201420282441 U CN 201420282441U CN 203933224 U CN203933224 U CN 203933224U
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- CN
- China
- Prior art keywords
- thrower
- end cap
- bearing
- shape circle
- outside framework
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of combined sealing structure, comprise thrower, O shape circle, end cap, outside framework oil seal, rotating shaft and bearing, described end cap is positioned at thrower inner side, described O shape is enclosed between thrower and end cap, described bearing and outside framework oil seal are arranged between end cap and rotating shaft, are provided with the labyrinth seal clearance of long-channel between described thrower and end cap.Compared with prior art, the beneficial effects of the utility model are: because O shape circle is softer, after motor rotates, its peak can be ground away by thrower, thereby between O shape circle and thrower, forming zero clearance coordinates, so just substantially introduced contaminants is foreclosed, may some water and aqueous vapor enter into labyrinth seal clearance, because labyrinth seal clearance design gaps is larger, very tiny particle in aqueous vapor and be difficult to pile up and cause stall, outside framework oil seal energy effective sealing water enters motor internal simultaneously, thereby protection motor and bearing, improve motor performance and life-span.
Description
Technical field
The utility model relates to a kind of technical field of motors, specifically a kind of combined sealing structure.
Background technology
If motor runs into aqueous vapor when in use together with mix dust, and said composition caking ability is high, easily caking, when the easy situation that scratches block rubber, conventionally adopt labyrinth seal structure, but labyrinth seal exists path clearance little, thereby foreign matter after entering easily blocking channel cause motor rotation blockage, motor damage.
Summary of the invention
The purpose of this utility model is to provide a kind of combined sealing structure, to solve the problem proposing in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of combined sealing structure, comprise thrower, O shape circle, end cap, outside framework oil seal, rotating shaft and bearing, described end cap is positioned at thrower inner side, described O shape is enclosed between thrower and end cap, described bearing and outside framework oil seal are arranged between end cap and rotating shaft, between described thrower and end cap, be provided with the labyrinth seal clearance of long-channel, for guaranteeing stall, labyrinth seal clearance should be controlled between 1.5～2.5mm.
As further program of the utility model: described O shape circle circumferencial direction is fixed on end cap front end, for guaranteeing that it does not slide axially, should on end cap front end, slot, groove depth should be greater than the radius of O shape circle, O shape circle installs should guarantee that its maximum outside diameter is greater than thrower diameter of bore 0.3～0.7mm, the excessive thrower rotational resistance of O shape circle external diameter is excessive, and too small its frictional contact surface of O shape circle external diameter is little, and sealing effectiveness is poor.
As further scheme of the utility model: described thrower adopts A3 material or 45# material, and and axle adopt cone match or interference fit, guarantee gapless between its mating surface.
As further scheme of the utility model: described outside framework oil seal outer ring and end cap front end and rotating shaft interference fit, its opening direction is towards shaft extension end.
As further scheme of the utility model: described bearing adopts sealed bearing.
Compared with prior art, the beneficial effects of the utility model are: because O shape circle is softer, after motor rotates, its peak can be ground away by thrower, thereby between O shape circle and thrower, forming zero clearance coordinates, so just substantially introduced contaminants is foreclosed, may some water and aqueous vapor enter into labyrinth seal clearance, because labyrinth seal clearance design gaps is larger, very tiny particle in aqueous vapor and be difficult to pile up and cause stall, outside framework oil seal energy effective sealing water enters motor internal simultaneously, thereby protection motor and bearing, improve motor performance and life-span.
Brief description of the drawings
Fig. 1 is a kind of structural representation of combined sealing structure.
In figure: 1-thrower, 2-labyrinth seal clearance, 3-O shape circle, 4-end cap, 5-bearing, 6-outside framework oil seal, 7-rotating shaft.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, in the utility model embodiment, a kind of combined sealing structure, comprise thrower 1, O shape circle 3, end cap 4, outside framework oil seal 6, rotating shaft 7 and bearing 5, described end cap 4 is positioned at thrower 1 inner side, and described O shape circle 3 is positioned in the middle of thrower 1 and end cap 4, described bearing 5 and outside framework oil seal 6 are arranged between end cap 4 and rotating shaft 7, between described thrower 1 and end cap 4, be provided with the labyrinth seal clearance 2 of long-channel, for guaranteeing stall, labyrinth seal clearance 2 should be controlled between 1.5～2.5mm.
In the utility model embodiment, described O shape is enclosed 3 circumferencial directions and is fixed on end cap 4 front ends, for guaranteeing that it does not slide axially, should on end cap 4 front ends, slot, groove depth should be greater than the radius of O shape circle 3, and O shape circle 3 installs should guarantee that its maximum outside diameter is greater than thrower 1 diameter of bore 0.3～0.7mm, and it is excessive that O shape is enclosed excessive thrower 1 rotational resistance of 3 external diameter, it is little that O shape is enclosed too small its frictional contact surface of 3 external diameters, and sealing effectiveness is poor.
In the utility model embodiment, described thrower 1 adopts A3 material or 45# material, and adopts cone match or interference fit with axle, guarantees gapless between its mating surface.
In the utility model embodiment, described outside framework oil seal 6 outer rings and end cap 4 front ends and rotating shaft 7 interference fit, its opening direction is towards shaft extension end.
In the utility model embodiment, described bearing 5 adopts sealed bearing.
Operation principle of the present utility model is: because O shape circle is softer; after motor rotates; its peak can be ground away by thrower; thereby between O shape circle and thrower, forming zero clearance coordinates; so just substantially introduced contaminants is foreclosed; may some water and aqueous vapor enter into labyrinth seal; because labyrinth seal clearance design gaps is larger; very tiny particle in aqueous vapor and be difficult to pile up and cause stall; outside framework oil seal energy effective sealing water enters motor internal simultaneously; thereby protection motor and bearing, improve motor performance and life-span.
To those skilled in the art, obviously the utility model is not limited to the details of above-mentioned example embodiment, and in the situation that not deviating from spirit of the present utility model or essential characteristic, can realize the utility model with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, is therefore intended to all changes that drop in the implication and the scope that are equal to important document of claim to include in the utility model.Any Reference numeral in claim should be considered as limiting related claim.
In addition, be to be understood that, although this specification is described according to execution mode, but be not that each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should make specification as a whole, and the technical scheme in each embodiment also can, through appropriately combined, form other execution modes that it will be appreciated by those skilled in the art that.
Claims (5)
1. a combined sealing structure, comprise thrower (1), O shape circle (3), end cap (4), outside framework oil seal (6), rotating shaft (7) and bearing (5), it is characterized in that, described end cap (4) is positioned at thrower (1) inner side, described O shape circle (3) is positioned between thrower (1) and end cap (4), described bearing (5) and outside framework oil seal (6) are arranged between end cap (4) and rotating shaft (7), are provided with the labyrinth seal clearance (2) of long-channel between described thrower (1) and end cap (4).
2. a kind of combined sealing structure according to claim 1, is characterized in that, described O shape circle (3) circumferencial direction is fixed on end cap (4) front end.
3. a kind of combined sealing structure according to claim 1, is characterized in that, described thrower (1) adopts A3 material or 45# material.
4. a kind of combined sealing structure according to claim 1, is characterized in that, described outside framework oil seal (6) outer ring and end cap (4) front end and rotating shaft (5) interference fit, and its opening direction is towards shaft extension end.
5. a kind of combined sealing structure according to claim 1, is characterized in that, described bearing (5) adopts sealed bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420282441.0U CN203933224U (en) | 2014-05-30 | 2014-05-30 | A kind of combined sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420282441.0U CN203933224U (en) | 2014-05-30 | 2014-05-30 | A kind of combined sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203933224U true CN203933224U (en) | 2014-11-05 |
Family
ID=51828976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420282441.0U Expired - Fee Related CN203933224U (en) | 2014-05-30 | 2014-05-30 | A kind of combined sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203933224U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105671845A (en) * | 2014-11-18 | 2016-06-15 | 合肥美的洗衣机有限公司 | Inner barrel assembly of washing machine, and washing machine having same |
| CN111786496A (en) * | 2020-06-15 | 2020-10-16 | 杭州微光电子股份有限公司 | Rotary sealing structure and end cover rotating shaft assembling structure |
| CN112018955A (en) * | 2020-07-27 | 2020-12-01 | 杭州微光电子股份有限公司 | Motor temperature control device and method |
| CN112577059A (en) * | 2020-12-11 | 2021-03-30 | 江苏斯咖图精密工具有限公司 | Underwater inner guide wheel for scraper slag extractor |
| CN114389394A (en) * | 2020-10-21 | 2022-04-22 | 襄阳中车电机技术有限公司 | Shaft end sealing device of motor with coupling, motor and new energy automobile |
-
2014
- 2014-05-30 CN CN201420282441.0U patent/CN203933224U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105671845A (en) * | 2014-11-18 | 2016-06-15 | 合肥美的洗衣机有限公司 | Inner barrel assembly of washing machine, and washing machine having same |
| CN105671845B (en) * | 2014-11-18 | 2018-04-24 | 合肥美的洗衣机有限公司 | For washing machine interior cartridge module and there is its washing machine |
| CN111786496A (en) * | 2020-06-15 | 2020-10-16 | 杭州微光电子股份有限公司 | Rotary sealing structure and end cover rotating shaft assembling structure |
| CN111786496B (en) * | 2020-06-15 | 2022-05-06 | 杭州微光电子股份有限公司 | Rotary sealing structure and end cover rotating shaft assembling structure |
| CN112018955A (en) * | 2020-07-27 | 2020-12-01 | 杭州微光电子股份有限公司 | Motor temperature control device and method |
| CN112018955B (en) * | 2020-07-27 | 2023-05-05 | 杭州微光电子股份有限公司 | Motor temperature control device and method |
| CN114389394A (en) * | 2020-10-21 | 2022-04-22 | 襄阳中车电机技术有限公司 | Shaft end sealing device of motor with coupling, motor and new energy automobile |
| CN112577059A (en) * | 2020-12-11 | 2021-03-30 | 江苏斯咖图精密工具有限公司 | Underwater inner guide wheel for scraper slag extractor |
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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: 20141105 Termination date: 20160530 |