CN204372177U - A kind of leakage-proof type sealing member for rotating shaft - Google Patents
A kind of leakage-proof type sealing member for rotating shaft Download PDFInfo
- Publication number
- CN204372177U CN204372177U CN201420865395.7U CN201420865395U CN204372177U CN 204372177 U CN204372177 U CN 204372177U CN 201420865395 U CN201420865395 U CN 201420865395U CN 204372177 U CN204372177 U CN 204372177U
- Authority
- CN
- China
- Prior art keywords
- sealing ring
- inner frame
- ring
- upper sealing
- dust excluder
- 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
Links
Abstract
The utility model relates to a kind of leakage-proof type sealing member for rotating shaft, upper sealing ring is coated on inner frame outside by inner groovy, the upper end collar extension of upper sealing ring stick on running shaft outer side wall by the outer front end face that jump ring is socketed in upper sealing ring, the top of lower sealing ring is connected on the inner side surface of inner frame, bottom and the upper sealing ring of lower sealing ring fit, bail wire and dust excluder lips is provided with successively in inner frame, bail wire and dust excluder lips are located between lower sealing ring and rear annular flange flange successively, described bail wire, the inner ring end face of dust excluder lips and lower sealing ring and upper sealing ring all on the same axis.Described a kind of leakage-proof type sealing member for rotating shaft, utilize the inner ring end face of upper sealing ring, lower sealing ring, bail wire and dust excluder lips on the same axis, achieve multi-layer sealed object, and utilize the inner frame of hook type structure, upper sealing ring, lower sealing ring, bail wire and dust excluder lips are fastened and combine, achieve good sealing effect.
Description
Technical field
The utility model relates to the field of Sealing, especially a kind of leakage-proof type sealing member for rotating shaft.
Background technique
Be in field of sealing technology, the sealing of running shaft uses oil sealing sealing part usually, and the parts needing in transmission part to lubricate are isolated with parts of exerting oneself by it, are unlikely to allow oil seepage.Static seal and motive sealing (general to-and-fro motion) with Sealing Sealing.The representative form of oil sealing is TC oil sealing, and this is the two-lip seal of the completely coated band self-tightening spring of a kind of rubber, and oil sealing in general often refers to this TC outside framework oil seal.Sealing traditional at present, comprise the seal ring that there is rubber seal lip He axially extend to fluid-encapsulated side or right side, periphery surface of contact rubber seal lip being sealed to a running shaft realizes the first hermetic unit, seal ring forms the second hermetic unit on sealant flow side vertically,, after running shaft inserts, there is close contact between the long-time and running shaft of sealing lip in this design, cause the coarse phenomenon on sealing lip surface, thus cause leakage phenomenon.
Summary of the invention
The technical problems to be solved in the utility model is: in order to overcome above-mentioned middle Problems existing, provide a kind of leakage-proof type sealing member for rotating shaft, and its project organization rationally and good sealing effect.
The utility model solves the technological scheme that its technical problem adopts: a kind of leakage-proof type sealing member for rotating shaft, comprise shell, upper sealing ring, lower sealing ring and inner frame and jump ring, the front portion of described inner frame has intilted extension edge, the front end of extension edge has edge in the inclination that radially-inwardly bends, in tilting, the radial extending end of edge is connected with front annular flange flange, the rear portion of inner frame has the rear annular flange flange extended internally, the outer side wall of inner frame withstands on housing interior side-wall, the top of described upper sealing ring has the inner cavity matched with inner frame outer wall, upper sealing ring is coated on inner frame outside by inner groovy, the outer side surface of upper sealing ring is connected on shell inner side surface, the upper end collar extension of upper sealing ring stick on running shaft outer side wall by the outer front end face that jump ring is socketed in upper sealing ring, the top of lower sealing ring is connected on the inner side surface of inner frame, the rear annular flange flange of inner frame is against on the outer side wall of lower sealing ring, bottom and the upper sealing ring of lower sealing ring fit, bail wire and dust excluder lips is provided with successively in described inner frame, bail wire and dust excluder lips are located between lower sealing ring and rear annular flange flange successively, described bail wire, the inner ring end face of dust excluder lips and lower sealing ring and upper sealing ring all on the same axis.
In order to improve the working strength of dust excluder lips, described dust excluder lips is provided with annular brace eyelet.
The tapered structure of inner ring end cross-sectional of described bail wire.
The beneficial effects of the utility model are: described a kind of leakage-proof type sealing member for rotating shaft, adopt the Sealing of this kind of design, utilize the inner ring end face of upper sealing ring, lower sealing ring, bail wire and dust excluder lips on the same axis, achieve multi-layer sealed object, and utilize the inner frame of hook type structure, upper sealing ring, lower sealing ring, bail wire and dust excluder lips are fastened and combine, achieve good sealing effect.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the overall structure schematic diagram of a kind of leakage-proof type sealing member for rotating shaft described in the utility model.
Accompanying drawing acceptance of the bid note is described below: 1, shell, and 2, upper sealing ring, 3, lower sealing ring, 4, inner frame, 41, extension edge, 42, tilt in edge, 43, front annular flange flange, 44, rear annular flange flange, 5, jump ring, 6, bail wire, 7, dust excluder lips, 8, annular brace eyelet.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
A kind of leakage-proof type sealing member for rotating shaft as shown in Figure 1, comprise shell 1, upper sealing ring 2, lower sealing ring 3 and inner frame 4 and jump ring 5, the front portion of inner frame 4 has intilted extension edge 41, the front end of extension edge 41 has edge 42 in the inclination that radially-inwardly bends, in tilting, the radial extending end of edge 42 is connected with front annular flange flange 43, the rear portion of inner frame 4 has the rear annular flange flange 44 extended internally, the outer side wall of inner frame 4 withstands on shell 1 madial wall, the top of upper sealing ring 2 has the inner cavity matched with inner frame 4 outer wall, it is outside that upper sealing ring 2 is coated on inner frame 4 by inner groovy, the outer side surface of upper sealing ring 2 is connected on shell 1 inner side surface, the upper end collar extension of upper sealing ring 2 stick on running shaft outer side wall by the outer front end face that jump ring 5 is socketed in upper sealing ring 2, the top of lower sealing ring 3 is connected on the inner side surface of inner frame 4, the rear annular flange flange 44 of inner frame 4 is against on the outer side wall of lower sealing ring 3, bottom and the upper sealing ring 2 of lower sealing ring 3 fit, bail wire 6 and dust excluder lips 7 is provided with successively in inner frame 4, in dust excluder lips 7, annular is provided with annular brace eyelet 8, the tapered structure of inner ring end cross-sectional of bail wire 6, bail wire 6 and dust excluder lips 7 are located between lower sealing ring 3 and rear annular flange flange 44 successively, bail wire 6, the inner ring end face of dust excluder lips 7 and lower sealing ring 3 and upper sealing ring 2 all on the same axis.
A kind of leakage-proof type sealing member for rotating shaft of the present utility model, this Sealing is being attached on running shaft, utilize the effect of jump ring 5, upper sealing ring 2 is pressed on the outer side surface of running shaft, simultaneously, the inner ring end face of lower sealing ring 3 is pressed on the outer side surface of running shaft by upper sealing ring 2, inner frame 4 is utilized lower sealing ring 3, bail wire 6 and dust excluder lips 7 to be closely linked, the inner ring end face of bail wire 6 realizes three seals, the inner ring end face of dust excluder lips 7 realizes the 4th road sealing, thus have effectively achieved the object of sealing.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this model utility technological thought, can carry out various change and amendment completely.The technical scope of this model utility is not limited to the content on specification, must determine its technical scope according to right.
Claims (3)
1. a leakage-proof type sealing member for rotating shaft, it is characterized in that: comprise shell (1), upper sealing ring (2), lower sealing ring (3) and inner frame (4) and jump ring (5), the front portion of described inner frame (4) has intilted extension edge (41), the front end of extension edge (41) has edge (42) in the inclination that radially-inwardly bends, in tilting, the radial extending end of edge (42) is connected with front annular flange flange (43), the rear portion of inner frame (4) has the rear annular flange flange (44) extended internally, the outer side wall of inner frame (4) withstands on shell (1) madial wall, the top of described upper sealing ring (2) has the inner cavity matched with inner frame (4) outer wall, it is outside that upper sealing ring (2) is coated on inner frame (4) by inner groovy, the outer side surface of upper sealing ring (2) is connected on shell (1) inner side surface, the upper end collar extension of upper sealing ring (2) stick on running shaft outer side wall by the outer front end face that jump ring (5) is socketed in upper sealing ring (2), the top of lower sealing ring (3) is connected on the inner side surface of inner frame (4), the rear annular flange flange (44) of inner frame (4) is against on the outer side wall of lower sealing ring (3), bottom and the upper sealing ring (2) of lower sealing ring (3) fit, bail wire (6) and dust excluder lips (7) is provided with successively in described inner frame (4), bail wire (6) and dust excluder lips (7) are located between lower sealing ring (3) and rear annular flange flange (44) successively, described bail wire (6), the inner ring end face of dust excluder lips (7) and lower sealing ring (3) and upper sealing ring (2) all on the same axis.
2. a kind of leakage-proof type sealing member for rotating shaft according to claim 1, is characterized in that: described dust excluder lips (7) is provided with annular brace eyelet (8).
3. a kind of leakage-proof type sealing member for rotating shaft according to claim 1, is characterized in that: the tapered structure of inner ring end cross-sectional of described bail wire (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420865395.7U CN204372177U (en) | 2014-12-29 | 2014-12-29 | A kind of leakage-proof type sealing member for rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420865395.7U CN204372177U (en) | 2014-12-29 | 2014-12-29 | A kind of leakage-proof type sealing member for rotating shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204372177U true CN204372177U (en) | 2015-06-03 |
Family
ID=53328399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420865395.7U Expired - Fee Related CN204372177U (en) | 2014-12-29 | 2014-12-29 | A kind of leakage-proof type sealing member for rotating shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204372177U (en) |
-
2014
- 2014-12-29 CN CN201420865395.7U patent/CN204372177U/en not_active Expired - Fee Related
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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: 20150603 Termination date: 20161229 |