CN205371641U - Rotary seal structure - Google Patents
Rotary seal structure Download PDFInfo
- Publication number
- CN205371641U CN205371641U CN201521091186.2U CN201521091186U CN205371641U CN 205371641 U CN205371641 U CN 205371641U CN 201521091186 U CN201521091186 U CN 201521091186U CN 205371641 U CN205371641 U CN 205371641U
- Authority
- CN
- China
- Prior art keywords
- oil seal
- outside framework
- framework oil
- annular
- wear 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.)
- Withdrawn - After Issue
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- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model discloses a rotary seal structure among the wheel reduction, which comprises a frame, the wear ring, the annular felt, the oil blanket seat, a O appears and encloses, wheel hub, first skeleton oil blanket, the 2nd O appears and encloses, second skeleton oil blanket, wear ring fixed connection is in the frame, the oil blanket seat links firmly on wheel hub, the oil blanket seat has first hole, felt mounting groove and annular insertion groove, first skeleton oil blanket and second skeleton oil blanket are adorned in first hole and its outer lane and first hole interference fit, the annular felt is installed in the felt mounting groove, the wear ring has axle journal and annular flange portion, the axle journal inserts in the hole of first skeleton oil blanket and second skeleton oil blanket and contacts with the lip of first skeleton oil blanket and second skeleton oil blanket, annular flange portion inserts in the annular insertion groove of oil blanket seat, and the inner circle of annular flange portion and the contact of annular felt, O shape circle is installed between wheel hub and oil blanket seat, the 2nd O shape circle is installed between frame and wear ring. The utility model discloses can improve life, be convenient for to maintain.
Description
Technical field
This utility model relates to a kind of hub reduction gear, especially relevant sealing structure.
Background technology
The hub reduction gear torque output member of quarry tipper is usually wheel hub, and frame is typically secured on vehicle rear-axle shell, has relative rotary motion between wheel hub with frame, and wheel hub is typically limited by outside adverse circumstances impact, such as dust, mud, sandstone etc..Need rotary seal structure herein.What general rotary dynamic seal adopted is skeleton oil seal, but exists in prior art and do not have the problems such as low, the inconvenient maintenance of dustproof construction, sealing life.
Summary of the invention
The purpose of this utility model is to provide a kind of rotary seal structure that can improve and seal service life, be easy to maintenance.
nullThe technical scheme realizing above-mentioned purpose is: a kind of rotary seal structure，Including frame、Wear ring、Annular felt、Oil seal seat、First O、Wheel hub、First outside framework oil seal、Second O、Second outside framework oil seal，Described wear ring is fixedly connected in frame，Described oil seal seat is fixedly connected on wheel hub，Described oil seal seat has the first endoporus、Felt mounting groove and annular slot，Described first outside framework oil seal and the second outside framework oil seal are contained in the first endoporus of oil seal seat and its outer ring and the first endoporus interference fit，Described annular felt is arranged in felt mounting groove，Described wear ring has axle journal and annular flange portion，The axle journal of described wear ring inserts in the endoporus of the first outside framework oil seal and the second outside framework oil seal and contacts with the lip of the first outside framework oil seal and the second outside framework oil seal，The annular flange portion of described wear ring is inserted in the annular slot of oil seal seat，And the inner ring of annular flange portion with annular felt contacts，Described first O is installed between wheel hub and oil seal seat，Described second O is installed between frame and wear ring.
Described first outside framework oil seal is single lip outside framework oil seal of interband dottle pin, and the second outside framework oil seal is single lip outside framework oil seal, and separation pad and second outside framework oil seal of the first outside framework oil seal offset, and the side away from separation pad of the first outside framework oil seal offsets with the backstop on oil seal seat.
Having the first O groove on described wheel hub, the first O is installed in the first O groove.
Having the second O groove in described frame, the second O is installed in the second O groove.
Described oil seal seat is fixedly connected on wheel hub by bolt and gasket assembly.
The axle journal of described wear ring is fixedly connected in frame by interference fit.
Described wear ring also has shoulder, and shoulder and frame offset.
The cross section of the felt mounting groove of described oil seal seat is rectangle, and the cross section of described annular felt is rectangle.
This utility model, relative to prior art, adopts two parts combination, it is simple to dismounting and maintenance；Wear ring is fixedly connected in frame, improves oil seal lip preferably and uses environment, it is possible to improves wear ring and oil sealing service life；Adopt labyrinth and felt combination, it is possible to prevent the entrance of external dust, mud and dust storm, it is possible to effectively protect oil sealing, improve oil sealing service life；It is coated with grease, it is possible to reduce the friction of annular felt and wear ring endoporus, improve service life at annular felt.
Accompanying drawing explanation
This utility model is described in further detail by the embodiment provided below in conjunction with accompanying drawing.
Fig. 1 is the rotary seal structure of the present utility model application site schematic diagram in hub reduction gear；
Fig. 2 is I magnified partial view of Fig. 1.
Detailed description of the invention
nullSuch as Fig. 1、Shown in 2，A kind of rotary seal structure，Including frame 1、Wear ring 2、Annular felt 3、Oil seal seat 4、First O 6、Wheel hub 7、First outside framework oil seal 8、Second O 9、Second outside framework oil seal 10，Described wear ring 2 is fixedly connected in frame 1，Described oil seal seat 4 is fixedly connected on wheel hub 7，Described oil seal seat 4 has the first endoporus 4-1、Felt mounting groove 4-2 and annular slot 4-3，Described first outside framework oil seal 8 and the second outside framework oil seal 10 is contained in the first endoporus 4-1 of oil seal seat 4 and its outer ring and the first endoporus 4-1 interference fit，Described annular felt 3 is arranged in felt mounting groove 4-2，Described wear ring 2 has axle journal 2-1 and annular flange portion 2-2，The axle journal 2-1 of described wear ring 2 inserts the first outside framework oil seal 8 and contacts with in the endoporus of the second outside framework oil seal 10 and with the lip of the first outside framework oil seal 8 and the second outside framework oil seal 10，The annular flange portion 2-2 of described wear ring 2 is inserted in the annular slot 4-3 of oil seal seat 4，And the inner ring of annular flange portion 2-2 contacts with annular felt 3，Described first O 6 is installed between wheel hub 7 and oil seal seat 4，Described second O 9 is installed between frame 1 and wear ring 2.
As shown in Figure 2, described first outside framework oil seal 8 is single lip outside framework oil seal of interband dottle pin, second outside framework oil seal 10 is single lip outside framework oil seal, and separation pad and second outside framework oil seal 10 of the first outside framework oil seal 8 offset, and the side away from separation pad of the first outside framework oil seal 8 offsets with the backstop 4-4 on oil seal seat 4.
As in figure 2 it is shown, have the first O groove 7-1 on described wheel hub 7, the first O 6 is installed in the first O groove 7-1.
As in figure 2 it is shown, have the second O groove 1-1 in described frame 1, the second O 9 is installed in the second O groove 1-1.
As in figure 2 it is shown, described oil seal seat 4 is fixedly connected on wheel hub 7 by bolt and gasket assembly 5.
As in figure 2 it is shown, the axle journal 2-1 of described wear ring 2 is fixedly connected in frame 1 by interference fit.
Offset as in figure 2 it is shown, described wear ring 2 also has shoulder 2-3, shoulder 2-3 with frame 1.
As in figure 2 it is shown, the cross section of the felt mounting groove 4-2 of described oil seal seat 4 is rectangle, the cross section of described annular felt 3 is rectangle.
During use, between annular felt 3 periphery and the first outside framework oil seal 8 and the second outside framework oil seal 10, coat grease for lubricating.
Claims (8)
- null1. a rotary seal structure，It is characterized in that: include frame (1)、Wear ring (2)、Annular felt (3)、Oil seal seat (4)、First O (6)、Wheel hub (7)、First outside framework oil seal (8)、Second O (9)、Second outside framework oil seal (10)，Described wear ring (2) is fixedly connected in frame (1)，Described oil seal seat (4) is fixedly connected on wheel hub (7)，Described oil seal seat (4) has the first endoporus (4-1)、Felt mounting groove (4-2) and annular slot (4-3)，Described first outside framework oil seal (8) and the second outside framework oil seal (10) are contained in first endoporus (4-1) of oil seal seat (4) and its outer ring and the first endoporus (4-1) interference fit，Described annular felt (3) is arranged in felt mounting groove (4-2)，Described wear ring (2) has axle journal (2-1) and annular flange portion (2-2)，The axle journal (2-1) of described wear ring (2) inserts the first outside framework oil seal (8) and contacts with in the endoporus of the second outside framework oil seal (10) and with the lip of the first outside framework oil seal (8) and the second outside framework oil seal (10)，The annular flange portion (2-2) of described wear ring (2) is inserted in the annular slot (4-3) of oil seal seat (4)，And the inner ring of annular flange portion (2-2) contacts with annular felt (3)，Described first O (6) is installed between wheel hub (7) and oil seal seat (4)，Described second O (9) is installed between frame (1) and wear ring (2).
- 2. rotary seal structure according to claim 1, it is characterized in that: described first outside framework oil seal (8) is single lip outside framework oil seal of interband dottle pin, second outside framework oil seal (10) is single lip outside framework oil seal, separation pad and second outside framework oil seal (10) of the first outside framework oil seal (8) offset, and the side away from separation pad of the first outside framework oil seal (8) offsets with the backstop (4-4) on oil seal seat (4).
- 3. rotary seal structure according to claim 1, it is characterised in that: having the first O groove (7-1) on described wheel hub (7), the first O (6) is installed in the first O groove (7-1).
- 4. rotary seal structure according to claim 1, it is characterised in that: having the second O groove (1-1) in described frame (1), the second O (9) is installed in the second O groove (1-1).
- 5. rotary seal structure according to claim 1, it is characterised in that: described oil seal seat (4) is fixedly connected on wheel hub (7) by bolt and gasket assembly (5).
- 6. rotary seal structure according to claim 1, it is characterised in that: the axle journal (2-1) of described wear ring (2) is fixedly connected in frame (1) by interference fit.
- 7. rotary seal structure according to claim 1, it is characterised in that: described wear ring (2) also has shoulder (2-3), and shoulder (2-3) and frame 1 offset.
- 8. rotary seal structure according to claim 1, it is characterised in that: the cross section of the felt mounting groove (4-2) of described oil seal seat (4) is rectangle, and the cross section of described annular felt (3) is rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521091186.2U CN205371641U (en) | 2015-12-25 | 2015-12-25 | Rotary seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521091186.2U CN205371641U (en) | 2015-12-25 | 2015-12-25 | Rotary seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205371641U true CN205371641U (en) | 2016-07-06 |
Family
ID=56260105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521091186.2U Withdrawn - After Issue CN205371641U (en) | 2015-12-25 | 2015-12-25 | Rotary seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205371641U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526365A (en) * | 2015-12-25 | 2016-04-27 | 中车戚墅堰机车车辆工艺研究所有限公司 | Rotation sealing mechanism |
| CN106740745A (en) * | 2017-02-06 | 2017-05-31 | 莱州亚通重型装备有限公司 | A kind of scraper wet-type braking driving axle |
| CN106838324A (en) * | 2017-04-12 | 2017-06-13 | 哈尔滨工业大学 | Hybrid float-ring sealing device |
-
2015
- 2015-12-25 CN CN201521091186.2U patent/CN205371641U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526365A (en) * | 2015-12-25 | 2016-04-27 | 中车戚墅堰机车车辆工艺研究所有限公司 | Rotation sealing mechanism |
| CN106740745A (en) * | 2017-02-06 | 2017-05-31 | 莱州亚通重型装备有限公司 | A kind of scraper wet-type braking driving axle |
| CN106838324A (en) * | 2017-04-12 | 2017-06-13 | 哈尔滨工业大学 | Hybrid float-ring sealing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160706 Effective date of abandoning: 20171212 |
|
| AV01 | Patent right actively abandoned |