CN204878349U - Internal diameter lips area is glued shield and is glued shield composite construction with external diameter lips area - Google Patents
Internal diameter lips area is glued shield and is glued shield composite construction with external diameter lips area Download PDFInfo
- Publication number
- CN204878349U CN204878349U CN201520492838.7U CN201520492838U CN204878349U CN 204878349 U CN204878349 U CN 204878349U CN 201520492838 U CN201520492838 U CN 201520492838U CN 204878349 U CN204878349 U CN 204878349U
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- CN
- China
- Prior art keywords
- skeleton
- dust cover
- band glue
- internal diameter
- external diameter
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Abstract
The utility model discloses an internal diameter lips area is glued shield and is glued shield composite construction with external diameter lips area, make plausible annular first skeleton and first rubber circle including being of internal diameter lips area glue shield, the inner off -plate reason of first skeleton has inward first bellying, the terminal surface inner edge has outside first recess in the first skeleton, the tight fit is cup jointed and is set up the annular first rubber circle of circle in the first recess, the radial extension of inner wall of first rubber circle is provided with two rings of first seal lips annular second skeleton and second rubber circle are made plausible in being of external diameter lips area glue shield, the inner off -plate reason of second skeleton has inward second bellying, the terminal surface inner edge has outside second recess in the second skeleton, compares with prior art, and processing is simple, and the shaping is easy to it is good to have intensity, and the sealed splendid characteristics of effect have improved the life of bearing in serious pollution thing environment.
Description
[technical field]
The utility model relates to the technical field of Bearing fittings, particularly the technical field of a kind of internal diameter lips band glue dust cover and external diameter lips band glue dust cover composite structure.
[background technique]
Dust cover is the critical component that bearing runs well in rugged environment, and it plays protection bearing from erosion and pollution, and bearing can be worked in good clean lubrication environment.And the inside of bearing is due to a large amount of grease lubrication of needs, if sealing effect is bad, can grease be produced excessive, affect the running of bearing.There is following shortcoming in conventional dust cover and seal ring: 1, dust cover assembles rear intensity better on bearing, but sealing effect is not good; 2, on bearing, after assembling, sealing effect is better, but intensity is not good.
[model utility content]
The purpose of this utility model solves the problems of the prior art exactly, a kind of internal diameter lips band glue dust cover and external diameter lips band glue dust cover composite structure are proposed, the grease in bearing can be made not easily excessive, outside serious pollution thing and dust are difficult to invade inside, substantially increase the working life of bearing in serious pollution substance environment, processing is simple, easily shaping, intensity is good, and sealing effect is splendid.
For achieving the above object, the utility model proposes a kind of internal diameter lips band glue dust cover and external diameter lips band glue dust cover composite structure, what comprise internal diameter lips band glue dust cover is the first circular skeleton and the first rubber ring, the interior edge face outer rim of described first skeleton has the first inside lug boss, described first skeleton interior edge face inner edge has the first outside reentrant part, in described first reentrant part, drive fit socket arranges the first circular rubber ring, the inwall of described first rubber ring is radial extended two circle first sealing lips, what comprise external diameter lips band glue dust cover is the second circular skeleton and the second rubber ring, the interior edge face outer rim of described second skeleton has the second inside lug boss, described second skeleton interior edge face inner edge has the second outside reentrant part, in described second reentrant part, drive fit socket arranges the second circular rubber ring, the inwall of described second rubber ring is radial extended two circle the second sealing lip, two circle the first sealing lips of described internal diameter lips band glue dust cover enclose the second sealing lip with two of external diameter lips band glue dust cover and match.
As preferably, described two circle the first sealing lips are in the outside being axially in above-mentioned first reentrant part, and described two circle the second sealing lips are in the outside being axially in above-mentioned second reentrant part.
As preferably, the flanging of described first skeleton external diameter and bearing drive fit, the thin rubber under described flanging and lasso fit tightly, the internal diameter of described second skeleton and bearing drive fit, and the thin rubber under the flanging on described second lug boss and lasso fit tightly.
As preferably, described first reentrant part is equipped with terraced steps, and the first rubber ring tightly fits in above-mentioned terraced steps, and described second reentrant part is equipped with terraced steps, and the second rubber ring tightly fits in above-mentioned terraced steps.
As preferably, the first outer wall of described first lug boss is outer little interior great circle annuli arrangement, and the second outer wall of described second lug boss is outer little interior great circle annuli arrangement.
The beneficial effects of the utility model: the utility model passes through the flanging of the first skeleton external diameter of internal diameter lips band glue dust cover and bearing drive fit, and the thin rubber under flanging and lasso fit tightly, and prevent bearing grease from overflowing from overcoat; First skeleton internal diameter lips rubber, enter bearing near outside first sealing lip of the first skeleton for stoping environmental contaminants, guarantee that bearing is intact, the first sealing lip of inner side is used for preventing grease in bearing excessive; External diameter lips band glue dust cover second skeleton internal diameter and bearing drive fit, the thin rubber under flanging and lasso fit tightly, and prevent bearing grease from overflowing from inner sleeve; The lips rubber of the second skeleton external diameter, prevents outside pollutant from entering bearing, prevents again Bearing inner grease excessive; Compared with prior art, processing is simple, easily shaping, and it is good to have intensity, the feature that sealing effect is splendid, improves the working life of bearing in serious pollution substance environment.
Feature of the present utility model and advantage will be described in detail by reference to the accompanying drawings by embodiment.
[accompanying drawing explanation]
Fig. 1 is the plan view of the internal diameter lips band glue dust cover in the utility model;
Fig. 2 is the structural representation of the internal diameter lips band glue dust cover in the utility model;
Fig. 3 is the enlarged section of the internal diameter lips band glue dust cover in the utility model;
Fig. 4 is the plan view of the external diameter lips band glue dust cover in the utility model;
Fig. 5 is the structural representation of the external diameter lips band glue dust cover in the utility model;
Fig. 6 is the enlarged section of the external diameter lips band glue dust cover in the utility model;
Fig. 7 is the structural representation in the utility model.
In figure: 10-first skeleton, 11-first rubber ring, 12-first sealing lip, 13-first reentrant part, 14-first lug boss, 15-first outer wall; 20-second skeleton, 21-second rubber ring, 22-second sealing lip, 23-second reentrant part, 24-second lug boss, 25-second outer wall.
[embodiment]
Consult Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, a kind of internal diameter lips band glue dust cover of the utility model and external diameter lips band glue dust cover composite structure, what comprise internal diameter lips band glue dust cover is the first circular skeleton 10 and the first rubber ring 11, the interior edge face outer rim of described first skeleton 10 has the first inside lug boss 14, described first skeleton 10 interior edge face inner edge has the first outside reentrant part 13, in described first reentrant part 13, drive fit socket arranges the first circular rubber ring 11, the inwall of described first rubber ring 11 is radial extended two circle first sealing lips 12, what comprise external diameter lips band glue dust cover is the second circular skeleton 20 and the second rubber ring 21, the interior edge face outer rim of described second skeleton 20 has the second inside lug boss 24, described second skeleton 20 interior edge face inner edge has the second outside reentrant part 23, in described second reentrant part 23, drive fit socket arranges the second circular rubber ring 21, the inwall of described second rubber ring 21 is radial extended two circle the second sealing lip 22, two circle the first sealing lips 12 of described internal diameter lips band glue dust cover enclose the second sealing lip 22 with two of external diameter lips band glue dust cover and match, described two circle the first sealing lips 12 are in the outside being axially in above-mentioned first reentrant part 13, described two circle the second sealing lips 22 are in the outside being axially in above-mentioned second reentrant part 23, the flanging of described first skeleton 10 external diameter and bearing drive fit, thin rubber under described flanging and lasso fit tightly, the internal diameter of described second skeleton 20 and bearing drive fit, thin rubber under flanging on described second lug boss 24 and lasso fit tightly, described first reentrant part 13 is equipped with terraced steps, first rubber ring 11 tightly fits in above-mentioned terraced steps, described second reentrant part 23 is equipped with terraced steps, second rubber ring 21 tightly fits in above-mentioned terraced steps, first outer wall 15 of described first lug boss 14 is in outer little interior great circle annuli arrangement, second outer wall 25 of described second lug boss 24 is in outer little interior great circle annuli arrangement.
Utility model works process:
A kind of internal diameter lips band glue dust cover of the utility model and external diameter lips band glue dust cover composite structure are in the course of the work, the flanging of the first skeleton 10 external diameter of internal diameter lips band glue dust cover and bearing drive fit, thin rubber under flanging and lasso fit tightly, prevent bearing grease from overflowing from overcoat, first reentrant part 13 is equipped with terraced steps, the outer wall of the first rubber ring 11 and the sidewall interference fit of terraced steps, the first rubber ring 11 is made to combine closely in the first skeleton 10, first rubber ring 11 inwall is radial extended two circle first sealing lips 12, outside first sealing lip 12 near the first skeleton 10 enters bearing for stoping environmental contaminants, guarantee that bearing is intact, first sealing lip 12 of inner side is for preventing grease in bearing excessive, second skeleton 20 internal diameter of external diameter lips band glue dust cover and bearing drive fit, thin rubber under flanging on skeleton and lasso fit tightly, prevent bearing grease from overflowing from inner sleeve, second reentrant part 23 is equipped with terraced steps, the outer wall of the second rubber ring 21 and the sidewall interference fit of terraced steps, the second rubber ring 21 is made to combine closely in the second skeleton 20, second rubber ring 21 inwall is radial extended double-deck second sealing lip 22, lips rubber on two circle second sealing lip covers 22 of the second skeleton 20 external diameter, prevent outside pollutant from entering bearing, prevent again Bearing inner grease excessive, compared with prior art, processing is simple, easily shaping, and it is good to have intensity, the feature that sealing effect is splendid, improves the working life of bearing in serious pollution substance environment.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, anyly all belongs to protection domain of the present utility model to the scheme after the utility model simple transformation.
Claims (5)
1. an internal diameter lips band glue dust cover and external diameter lips band glue dust cover composite structure, it is characterized in that: what comprise internal diameter lips band glue dust cover is circular the first skeleton (10) and the first rubber ring (11), the interior edge face outer rim of described first skeleton (10) has inside the first lug boss (14), described first skeleton (10) interior edge face inner edge has outside the first reentrant part (13), the socket of described first reentrant part (13) interior drive fit arranges circular the first rubber ring (11), the inwall of described first rubber ring (11) is radial extended two circle first sealing lips (12), what comprise external diameter lips band glue dust cover is circular the second skeleton (20) and the second rubber ring (21), the interior edge face outer rim of described second skeleton (20) has inside the second lug boss (24), described second skeleton (20) interior edge face inner edge has outside the second reentrant part (23), the socket of described second reentrant part (23) interior drive fit arranges circular the second rubber ring (21), the inwall of described second rubber ring (21) is radial extended two circle the second sealing lip (22), two circles the first sealing lip (12) of described internal diameter lips band glue dust cover enclose the second sealing lip (22) with two of external diameter lips band glue dust cover and match.
2. a kind of internal diameter lips band glue dust cover as claimed in claim 1 and external diameter lips band glue dust cover composite structure, it is characterized in that: described two circles the first sealing lip (12) are in the outside being axially in above-mentioned first reentrant part (13), and described two circles the second sealing lip (22) are in the outside being axially in above-mentioned second reentrant part (23).
3. a kind of internal diameter lips band glue dust cover as claimed in claim 1 and external diameter lips band glue dust cover composite structure, it is characterized in that: the flanging of described first skeleton (10) external diameter and bearing drive fit, thin rubber under described flanging and lasso fit tightly, the internal diameter of described second skeleton (20) and bearing drive fit, the thin rubber under the flanging on described second lug boss (24) and lasso fit tightly.
4. a kind of internal diameter lips band glue dust cover as claimed in claim 1 and external diameter lips band glue dust cover composite structure, it is characterized in that: described first reentrant part (13) is equipped with terraced steps, first rubber ring (11) tightly fits in above-mentioned terraced steps, described second reentrant part (23) is equipped with terraced steps, and the second rubber ring (21) tightly fits in above-mentioned terraced steps.
5. a kind of internal diameter lips band glue dust cover as claimed in claim 1 and external diameter lips band glue dust cover composite structure, it is characterized in that: first outer wall (15) of described first lug boss (14) is in outer little interior great circle annuli arrangement, and second outer wall (25) of described second lug boss (24) is in outer little interior great circle annuli arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520492838.7U CN204878349U (en) | 2015-07-07 | 2015-07-07 | Internal diameter lips area is glued shield and is glued shield composite construction with external diameter lips area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520492838.7U CN204878349U (en) | 2015-07-07 | 2015-07-07 | Internal diameter lips area is glued shield and is glued shield composite construction with external diameter lips area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204878349U true CN204878349U (en) | 2015-12-16 |
Family
ID=54822725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520492838.7U Expired - Fee Related CN204878349U (en) | 2015-07-07 | 2015-07-07 | Internal diameter lips area is glued shield and is glued shield composite construction with external diameter lips area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204878349U (en) |
-
2015
- 2015-07-07 CN CN201520492838.7U patent/CN204878349U/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 |
Granted publication date: 20151216 Termination date: 20160707 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |